forked from mirrors/gecko-dev
7329 lines
237 KiB
C++
7329 lines
237 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsWindow.h"
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#include "mozilla/ArrayUtils.h"
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#include "mozilla/EventForwards.h"
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#include "mozilla/MiscEvents.h"
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#include "mozilla/MouseEvents.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/TextEventDispatcher.h"
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#include "mozilla/TextEvents.h"
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#include "mozilla/TimeStamp.h"
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#include "mozilla/TouchEvents.h"
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#include "mozilla/UniquePtrExtensions.h"
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#include "mozilla/WidgetUtils.h"
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#include "mozilla/dom/WheelEventBinding.h"
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#include <algorithm>
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#include "GeckoProfiler.h"
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#include "prlink.h"
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#include "nsGTKToolkit.h"
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#include "nsIRollupListener.h"
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#include "nsINode.h"
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#include "nsWidgetsCID.h"
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#include "nsDragService.h"
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#include "nsIWidgetListener.h"
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#include "nsIScreenManager.h"
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#include "SystemTimeConverter.h"
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#include "nsGtkKeyUtils.h"
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#include "nsGtkCursors.h"
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#include "ScreenHelperGTK.h"
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#include <gtk/gtk.h>
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#include <gtk/gtkx.h>
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#ifdef MOZ_WAYLAND
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#include <gdk/gdkwayland.h>
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#endif /* MOZ_WAYLAND */
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#ifdef MOZ_X11
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#include <gdk/gdkx.h>
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#include <X11/Xatom.h>
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#include <X11/extensions/XShm.h>
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#include <X11/extensions/shape.h>
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#include <gdk/gdkkeysyms-compat.h>
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#endif /* MOZ_X11 */
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#include <gdk/gdkkeysyms.h>
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#if defined(MOZ_WAYLAND)
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#include <gdk/gdkwayland.h>
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#endif
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#include "nsGkAtoms.h"
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#ifdef MOZ_ENABLE_STARTUP_NOTIFICATION
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#define SN_API_NOT_YET_FROZEN
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#include <startup-notification-1.0/libsn/sn.h>
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#endif
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#include "mozilla/Assertions.h"
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#include "mozilla/Likely.h"
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#include "mozilla/Preferences.h"
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#include "nsIPrefService.h"
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#include "nsIGConfService.h"
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#include "nsIServiceManager.h"
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#include "nsGfxCIID.h"
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#include "nsGtkUtils.h"
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#include "nsIObserverService.h"
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#include "mozilla/layers/LayersTypes.h"
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#include "nsIIdleServiceInternal.h"
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#include "nsIPropertyBag2.h"
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#include "GLContext.h"
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#include "gfx2DGlue.h"
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#ifdef ACCESSIBILITY
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#include "mozilla/a11y/Accessible.h"
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#include "mozilla/a11y/Platform.h"
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#include "nsAccessibilityService.h"
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using namespace mozilla;
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using namespace mozilla::widget;
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#endif
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/* For SetIcon */
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#include "nsAppDirectoryServiceDefs.h"
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#include "nsString.h"
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#include "nsIFile.h"
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/* SetCursor(imgIContainer*) */
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#include <gdk/gdk.h>
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#include <wchar.h>
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#include "imgIContainer.h"
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#include "nsGfxCIID.h"
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#include "nsImageToPixbuf.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "ClientLayerManager.h"
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#include "gfxPlatformGtk.h"
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#include "gfxContext.h"
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#include "gfxImageSurface.h"
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#include "gfxUtils.h"
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#include "Layers.h"
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#include "GLContextProvider.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/gfx/HelpersCairo.h"
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#include "mozilla/gfx/GPUProcessManager.h"
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#include "mozilla/layers/CompositorBridgeParent.h"
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#include "mozilla/layers/CompositorThread.h"
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#ifdef MOZ_X11
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#include "GLContextGLX.h" // for GLContextGLX::FindVisual()
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#include "GtkCompositorWidget.h"
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#include "gfxXlibSurface.h"
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#include "WindowSurfaceX11Image.h"
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#include "WindowSurfaceX11SHM.h"
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#include "WindowSurfaceXRender.h"
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#endif // MOZ_X11
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#ifdef MOZ_WAYLAND
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#include "nsIClipboard.h"
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#endif
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#include "nsShmImage.h"
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#include "gtkdrawing.h"
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#include "NativeKeyBindings.h"
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#include <dlfcn.h>
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using namespace mozilla;
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using namespace mozilla::gfx;
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using namespace mozilla::widget;
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using namespace mozilla::layers;
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using mozilla::gl::GLContext;
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using mozilla::gl::GLContextGLX;
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// Don't put more than this many rects in the dirty region, just fluff
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// out to the bounding-box if there are more
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#define MAX_RECTS_IN_REGION 100
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const gint kEvents = GDK_EXPOSURE_MASK | GDK_STRUCTURE_MASK |
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GDK_VISIBILITY_NOTIFY_MASK |
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GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK |
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GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
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#if GTK_CHECK_VERSION(3,4,0)
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GDK_SMOOTH_SCROLL_MASK |
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GDK_TOUCH_MASK |
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#endif
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GDK_SCROLL_MASK |
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GDK_POINTER_MOTION_MASK |
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GDK_PROPERTY_CHANGE_MASK;
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/* utility functions */
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static bool is_mouse_in_window(GdkWindow* aWindow,
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gdouble aMouseX, gdouble aMouseY);
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static nsWindow *get_window_for_gtk_widget(GtkWidget *widget);
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static nsWindow *get_window_for_gdk_window(GdkWindow *window);
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static GtkWidget *get_gtk_widget_for_gdk_window(GdkWindow *window);
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static GdkCursor *get_gtk_cursor(nsCursor aCursor);
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static GdkWindow *get_inner_gdk_window (GdkWindow *aWindow,
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gint x, gint y,
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gint *retx, gint *rety);
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static int is_parent_ungrab_enter(GdkEventCrossing *aEvent);
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static int is_parent_grab_leave(GdkEventCrossing *aEvent);
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/* callbacks from widgets */
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static gboolean expose_event_cb (GtkWidget *widget,
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cairo_t *rect);
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static gboolean configure_event_cb (GtkWidget *widget,
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GdkEventConfigure *event);
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static void container_unrealize_cb (GtkWidget *widget);
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static void size_allocate_cb (GtkWidget *widget,
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GtkAllocation *allocation);
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static gboolean delete_event_cb (GtkWidget *widget,
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GdkEventAny *event);
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static gboolean enter_notify_event_cb (GtkWidget *widget,
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GdkEventCrossing *event);
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static gboolean leave_notify_event_cb (GtkWidget *widget,
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GdkEventCrossing *event);
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static gboolean motion_notify_event_cb (GtkWidget *widget,
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GdkEventMotion *event);
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static gboolean button_press_event_cb (GtkWidget *widget,
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GdkEventButton *event);
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static gboolean button_release_event_cb (GtkWidget *widget,
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GdkEventButton *event);
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static gboolean focus_in_event_cb (GtkWidget *widget,
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GdkEventFocus *event);
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static gboolean focus_out_event_cb (GtkWidget *widget,
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GdkEventFocus *event);
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static gboolean key_press_event_cb (GtkWidget *widget,
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GdkEventKey *event);
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static gboolean key_release_event_cb (GtkWidget *widget,
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GdkEventKey *event);
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static gboolean property_notify_event_cb (GtkWidget *widget,
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GdkEventProperty *event);
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static gboolean scroll_event_cb (GtkWidget *widget,
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GdkEventScroll *event);
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static gboolean visibility_notify_event_cb(GtkWidget *widget,
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GdkEventVisibility *event);
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static void hierarchy_changed_cb (GtkWidget *widget,
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GtkWidget *previous_toplevel);
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static gboolean window_state_event_cb (GtkWidget *widget,
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GdkEventWindowState *event);
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static void theme_changed_cb (GtkSettings *settings,
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GParamSpec *pspec,
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nsWindow *data);
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static void check_resize_cb (GtkContainer* container,
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gpointer user_data);
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static void screen_composited_changed_cb (GdkScreen* screen,
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gpointer user_data);
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static void widget_composited_changed_cb (GtkWidget* widget,
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gpointer user_data);
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static void scale_changed_cb (GtkWidget* widget,
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GParamSpec* aPSpec,
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gpointer aPointer);
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#if GTK_CHECK_VERSION(3,4,0)
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static gboolean touch_event_cb (GtkWidget* aWidget,
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GdkEventTouch* aEvent);
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#endif
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static nsWindow* GetFirstNSWindowForGDKWindow (GdkWindow *aGdkWindow);
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#ifdef MOZ_X11
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static GdkFilterReturn popup_take_focus_filter (GdkXEvent *gdk_xevent,
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GdkEvent *event,
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gpointer data);
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#endif /* MOZ_X11 */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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static gboolean drag_motion_event_cb (GtkWidget *aWidget,
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GdkDragContext *aDragContext,
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gint aX,
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gint aY,
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guint aTime,
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gpointer aData);
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static void drag_leave_event_cb (GtkWidget *aWidget,
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GdkDragContext *aDragContext,
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guint aTime,
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gpointer aData);
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static gboolean drag_drop_event_cb (GtkWidget *aWidget,
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GdkDragContext *aDragContext,
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gint aX,
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gint aY,
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guint aTime,
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gpointer aData);
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static void drag_data_received_event_cb(GtkWidget *aWidget,
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GdkDragContext *aDragContext,
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gint aX,
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gint aY,
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GtkSelectionData *aSelectionData,
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guint aInfo,
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guint32 aTime,
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gpointer aData);
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/* initialization static functions */
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static nsresult initialize_prefs (void);
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static guint32 sLastUserInputTime = GDK_CURRENT_TIME;
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static guint32 sRetryGrabTime;
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static SystemTimeConverter<guint32>&
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TimeConverter() {
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static SystemTimeConverter<guint32> sTimeConverterSingleton;
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return sTimeConverterSingleton;
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}
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nsWindow::CSDSupportLevel nsWindow::sCSDSupportLevel = CSD_SUPPORT_UNKNOWN;
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namespace mozilla {
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class CurrentX11TimeGetter
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{
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public:
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explicit CurrentX11TimeGetter(GdkWindow* aWindow)
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: mWindow(aWindow)
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, mAsyncUpdateStart()
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{
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}
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guint32 GetCurrentTime() const
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{
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return gdk_x11_get_server_time(mWindow);
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}
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void GetTimeAsyncForPossibleBackwardsSkew(const TimeStamp& aNow)
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{
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// Check for in-flight request
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if (!mAsyncUpdateStart.IsNull()) {
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return;
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}
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mAsyncUpdateStart = aNow;
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Display* xDisplay = GDK_WINDOW_XDISPLAY(mWindow);
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Window xWindow = GDK_WINDOW_XID(mWindow);
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unsigned char c = 'a';
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Atom timeStampPropAtom = TimeStampPropAtom();
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XChangeProperty(xDisplay, xWindow, timeStampPropAtom,
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timeStampPropAtom, 8, PropModeReplace, &c, 1);
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XFlush(xDisplay);
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}
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gboolean PropertyNotifyHandler(GtkWidget* aWidget,
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GdkEventProperty* aEvent)
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{
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if (aEvent->atom !=
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gdk_x11_xatom_to_atom(TimeStampPropAtom())) {
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return FALSE;
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}
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guint32 eventTime = aEvent->time;
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TimeStamp lowerBound = mAsyncUpdateStart;
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TimeConverter().CompensateForBackwardsSkew(eventTime, lowerBound);
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mAsyncUpdateStart = TimeStamp();
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return TRUE;
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}
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private:
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static Atom TimeStampPropAtom() {
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return gdk_x11_get_xatom_by_name_for_display(
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gdk_display_get_default(), "GDK_TIMESTAMP_PROP");
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}
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// This is safe because this class is stored as a member of mWindow and
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// won't outlive it.
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GdkWindow* mWindow;
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TimeStamp mAsyncUpdateStart;
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};
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} // namespace mozilla
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static NS_DEFINE_IID(kCDragServiceCID, NS_DRAGSERVICE_CID);
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// The window from which the focus manager asks us to dispatch key events.
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static nsWindow *gFocusWindow = nullptr;
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static bool gBlockActivateEvent = false;
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static bool gGlobalsInitialized = false;
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static bool gRaiseWindows = true;
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#if GTK_CHECK_VERSION(3,4,0)
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static uint32_t gLastTouchID = 0;
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#endif
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#define NS_WINDOW_TITLE_MAX_LENGTH 4095
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// If after selecting profile window, the startup fail, please refer to
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// http://bugzilla.gnome.org/show_bug.cgi?id=88940
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// needed for imgIContainer cursors
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// GdkDisplay* was added in 2.2
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typedef struct _GdkDisplay GdkDisplay;
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#define kWindowPositionSlop 20
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// cursor cache
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static GdkCursor *gCursorCache[eCursorCount];
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static GtkWidget *gInvisibleContainer = nullptr;
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// Sometimes this actually also includes the state of the modifier keys, but
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// only the button state bits are used.
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static guint gButtonState;
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static inline int32_t
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GetBitmapStride(int32_t width)
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{
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#if defined(MOZ_X11)
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return (width+7)/8;
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#else
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return cairo_format_stride_for_width(CAIRO_FORMAT_A1, width);
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#endif
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}
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static inline bool TimestampIsNewerThan(guint32 a, guint32 b)
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{
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// Timestamps are just the least significant bits of a monotonically
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// increasing function, and so the use of unsigned overflow arithmetic.
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return a - b <= G_MAXUINT32/2;
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}
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static void
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UpdateLastInputEventTime(void *aGdkEvent)
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{
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nsCOMPtr<nsIIdleServiceInternal> idleService =
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do_GetService("@mozilla.org/widget/idleservice;1");
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if (idleService) {
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idleService->ResetIdleTimeOut(0);
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}
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guint timestamp = gdk_event_get_time(static_cast<GdkEvent*>(aGdkEvent));
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if (timestamp == GDK_CURRENT_TIME)
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return;
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sLastUserInputTime = timestamp;
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}
|
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nsWindow::nsWindow()
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{
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mIsTopLevel = false;
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mIsDestroyed = false;
|
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mListenForResizes = false;
|
||
mNeedsDispatchResized = false;
|
||
mIsShown = false;
|
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mNeedsShow = false;
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mEnabled = true;
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||
mCreated = false;
|
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#if GTK_CHECK_VERSION(3,4,0)
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mHandleTouchEvent = false;
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#endif
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mIsDragPopup = false;
|
||
mIsX11Display = GDK_IS_X11_DISPLAY(gdk_display_get_default());
|
||
|
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mContainer = nullptr;
|
||
mGdkWindow = nullptr;
|
||
mShell = nullptr;
|
||
mCompositorWidgetDelegate = nullptr;
|
||
mHasMappedToplevel = false;
|
||
mIsFullyObscured = false;
|
||
mRetryPointerGrab = false;
|
||
mWindowType = eWindowType_child;
|
||
mSizeState = nsSizeMode_Normal;
|
||
mLastSizeMode = nsSizeMode_Normal;
|
||
mSizeConstraints.mMaxSize = GetSafeWindowSize(mSizeConstraints.mMaxSize);
|
||
|
||
#ifdef MOZ_X11
|
||
mOldFocusWindow = 0;
|
||
|
||
mXDisplay = nullptr;
|
||
mXWindow = X11None;
|
||
mXVisual = nullptr;
|
||
mXDepth = 0;
|
||
#endif /* MOZ_X11 */
|
||
|
||
if (!gGlobalsInitialized) {
|
||
gGlobalsInitialized = true;
|
||
|
||
// It's OK if either of these fail, but it may not be one day.
|
||
initialize_prefs();
|
||
|
||
#ifdef MOZ_WAYLAND
|
||
// Wayland provides clipboard data to application on focus-in event
|
||
// so we need to init our clipboard hooks before we create window
|
||
// and get focus.
|
||
if (!mIsX11Display) {
|
||
nsCOMPtr<nsIClipboard> clipboard =
|
||
do_GetService("@mozilla.org/widget/clipboard;1");
|
||
NS_ASSERTION(clipboard, "Failed to init clipboard!");
|
||
}
|
||
#endif
|
||
}
|
||
|
||
mLastMotionPressure = 0;
|
||
|
||
#ifdef ACCESSIBILITY
|
||
mRootAccessible = nullptr;
|
||
#endif
|
||
|
||
mIsTransparent = false;
|
||
mTransparencyBitmap = nullptr;
|
||
|
||
mTransparencyBitmapWidth = 0;
|
||
mTransparencyBitmapHeight = 0;
|
||
|
||
#if GTK_CHECK_VERSION(3,4,0)
|
||
mLastScrollEventTime = GDK_CURRENT_TIME;
|
||
#endif
|
||
mPendingConfigures = 0;
|
||
mCSDSupportLevel = CSD_SUPPORT_NONE;
|
||
mDrawInTitlebar = false;
|
||
}
|
||
|
||
nsWindow::~nsWindow()
|
||
{
|
||
LOG(("nsWindow::~nsWindow() [%p]\n", (void *)this));
|
||
|
||
delete[] mTransparencyBitmap;
|
||
mTransparencyBitmap = nullptr;
|
||
|
||
Destroy();
|
||
}
|
||
|
||
/* static */ void
|
||
nsWindow::ReleaseGlobals()
|
||
{
|
||
for (auto & cursor : gCursorCache) {
|
||
if (cursor) {
|
||
g_object_unref(cursor);
|
||
cursor = nullptr;
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::CommonCreate(nsIWidget *aParent, bool aListenForResizes)
|
||
{
|
||
mParent = aParent;
|
||
mListenForResizes = aListenForResizes;
|
||
mCreated = true;
|
||
}
|
||
|
||
void
|
||
nsWindow::DispatchActivateEvent(void)
|
||
{
|
||
NS_ASSERTION(mContainer || mIsDestroyed,
|
||
"DispatchActivateEvent only intended for container windows");
|
||
|
||
#ifdef ACCESSIBILITY
|
||
DispatchActivateEventAccessible();
|
||
#endif //ACCESSIBILITY
|
||
|
||
if (mWidgetListener)
|
||
mWidgetListener->WindowActivated();
|
||
}
|
||
|
||
void
|
||
nsWindow::DispatchDeactivateEvent(void)
|
||
{
|
||
if (mWidgetListener)
|
||
mWidgetListener->WindowDeactivated();
|
||
|
||
#ifdef ACCESSIBILITY
|
||
DispatchDeactivateEventAccessible();
|
||
#endif //ACCESSIBILITY
|
||
}
|
||
|
||
void
|
||
nsWindow::DispatchResized()
|
||
{
|
||
mNeedsDispatchResized = false;
|
||
if (mWidgetListener) {
|
||
mWidgetListener->WindowResized(this, mBounds.width, mBounds.height);
|
||
}
|
||
if (mAttachedWidgetListener) {
|
||
mAttachedWidgetListener->WindowResized(this,
|
||
mBounds.width, mBounds.height);
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::MaybeDispatchResized()
|
||
{
|
||
if (mNeedsDispatchResized && !mIsDestroyed) {
|
||
DispatchResized();
|
||
}
|
||
}
|
||
|
||
nsIWidgetListener*
|
||
nsWindow::GetListener()
|
||
{
|
||
return mAttachedWidgetListener ? mAttachedWidgetListener : mWidgetListener;
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::DispatchEvent(WidgetGUIEvent* aEvent, nsEventStatus& aStatus)
|
||
{
|
||
#ifdef DEBUG
|
||
debug_DumpEvent(stdout, aEvent->mWidget, aEvent,
|
||
"something", 0);
|
||
#endif
|
||
aStatus = nsEventStatus_eIgnore;
|
||
nsIWidgetListener* listener = GetListener();
|
||
if (listener) {
|
||
aStatus = listener->HandleEvent(aEvent, mUseAttachedEvents);
|
||
}
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
void
|
||
nsWindow::OnDestroy(void)
|
||
{
|
||
if (mOnDestroyCalled)
|
||
return;
|
||
|
||
mOnDestroyCalled = true;
|
||
|
||
// Prevent deletion.
|
||
nsCOMPtr<nsIWidget> kungFuDeathGrip = this;
|
||
|
||
// release references to children, device context, toolkit + app shell
|
||
nsBaseWidget::OnDestroy();
|
||
|
||
// Remove association between this object and its parent and siblings.
|
||
nsBaseWidget::Destroy();
|
||
mParent = nullptr;
|
||
|
||
NotifyWindowDestroyed();
|
||
}
|
||
|
||
bool
|
||
nsWindow::AreBoundsSane(void)
|
||
{
|
||
if (mBounds.width > 0 && mBounds.height > 0)
|
||
return true;
|
||
|
||
return false;
|
||
}
|
||
|
||
static GtkWidget*
|
||
EnsureInvisibleContainer()
|
||
{
|
||
if (!gInvisibleContainer) {
|
||
// GtkWidgets need to be anchored to a GtkWindow to be realized (to
|
||
// have a window). Using GTK_WINDOW_POPUP rather than
|
||
// GTK_WINDOW_TOPLEVEL in the hope that POPUP results in less
|
||
// initialization and window manager interaction.
|
||
GtkWidget* window = gtk_window_new(GTK_WINDOW_POPUP);
|
||
gInvisibleContainer = moz_container_new();
|
||
gtk_container_add(GTK_CONTAINER(window), gInvisibleContainer);
|
||
gtk_widget_realize(gInvisibleContainer);
|
||
|
||
}
|
||
return gInvisibleContainer;
|
||
}
|
||
|
||
static void
|
||
CheckDestroyInvisibleContainer()
|
||
{
|
||
MOZ_ASSERT(gInvisibleContainer, "oh, no");
|
||
|
||
if (!gdk_window_peek_children(gtk_widget_get_window(gInvisibleContainer))) {
|
||
// No children, so not in use.
|
||
// Make sure to destroy the GtkWindow also.
|
||
gtk_widget_destroy(gtk_widget_get_parent(gInvisibleContainer));
|
||
gInvisibleContainer = nullptr;
|
||
}
|
||
}
|
||
|
||
// Change the containing GtkWidget on a sub-hierarchy of GdkWindows belonging
|
||
// to aOldWidget and rooted at aWindow, and reparent any child GtkWidgets of
|
||
// the GdkWindow hierarchy to aNewWidget.
|
||
static void
|
||
SetWidgetForHierarchy(GdkWindow *aWindow,
|
||
GtkWidget *aOldWidget,
|
||
GtkWidget *aNewWidget)
|
||
{
|
||
gpointer data;
|
||
gdk_window_get_user_data(aWindow, &data);
|
||
|
||
if (data != aOldWidget) {
|
||
if (!GTK_IS_WIDGET(data))
|
||
return;
|
||
|
||
auto* widget = static_cast<GtkWidget*>(data);
|
||
if (gtk_widget_get_parent(widget) != aOldWidget)
|
||
return;
|
||
|
||
// This window belongs to a child widget, which will no longer be a
|
||
// child of aOldWidget.
|
||
gtk_widget_reparent(widget, aNewWidget);
|
||
|
||
return;
|
||
}
|
||
|
||
GList *children = gdk_window_get_children(aWindow);
|
||
for(GList *list = children; list; list = list->next) {
|
||
SetWidgetForHierarchy(GDK_WINDOW(list->data), aOldWidget, aNewWidget);
|
||
}
|
||
g_list_free(children);
|
||
|
||
gdk_window_set_user_data(aWindow, aNewWidget);
|
||
}
|
||
|
||
// Walk the list of child windows and call destroy on them.
|
||
void
|
||
nsWindow::DestroyChildWindows()
|
||
{
|
||
if (!mGdkWindow)
|
||
return;
|
||
|
||
while (GList *children = gdk_window_peek_children(mGdkWindow)) {
|
||
GdkWindow *child = GDK_WINDOW(children->data);
|
||
nsWindow *kid = get_window_for_gdk_window(child);
|
||
if (kid) {
|
||
kid->Destroy();
|
||
} else {
|
||
// This child is not an nsWindow.
|
||
// Destroy the child GtkWidget.
|
||
gpointer data;
|
||
gdk_window_get_user_data(child, &data);
|
||
if (GTK_IS_WIDGET(data)) {
|
||
gtk_widget_destroy(static_cast<GtkWidget*>(data));
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::Destroy()
|
||
{
|
||
if (mIsDestroyed || !mCreated)
|
||
return;
|
||
|
||
LOG(("nsWindow::Destroy [%p]\n", (void *)this));
|
||
mIsDestroyed = true;
|
||
mCreated = false;
|
||
|
||
/** Need to clean our LayerManager up while still alive */
|
||
if (mLayerManager) {
|
||
mLayerManager->Destroy();
|
||
}
|
||
mLayerManager = nullptr;
|
||
|
||
// It is safe to call DestroyeCompositor several times (here and
|
||
// in the parent class) since it will take effect only once.
|
||
// The reason we call it here is because on gtk platforms we need
|
||
// to destroy the compositor before we destroy the gdk window (which
|
||
// destroys the the gl context attached to it).
|
||
DestroyCompositor();
|
||
|
||
#ifdef MOZ_X11
|
||
// Ensure any resources assigned to the window get cleaned up first
|
||
// to avoid double-freeing.
|
||
mSurfaceProvider.CleanupResources();
|
||
#endif
|
||
|
||
ClearCachedResources();
|
||
|
||
g_signal_handlers_disconnect_by_func(gtk_settings_get_default(),
|
||
FuncToGpointer(theme_changed_cb),
|
||
this);
|
||
|
||
nsIRollupListener* rollupListener = nsBaseWidget::GetActiveRollupListener();
|
||
if (rollupListener) {
|
||
nsCOMPtr<nsIWidget> rollupWidget = rollupListener->GetRollupWidget();
|
||
if (static_cast<nsIWidget *>(this) == rollupWidget) {
|
||
rollupListener->Rollup(0, false, nullptr, nullptr);
|
||
}
|
||
}
|
||
|
||
// dragService will be null after shutdown of the service manager.
|
||
RefPtr<nsDragService> dragService = nsDragService::GetInstance();
|
||
if (dragService && this == dragService->GetMostRecentDestWindow()) {
|
||
dragService->ScheduleLeaveEvent();
|
||
}
|
||
|
||
NativeShow(false);
|
||
|
||
if (mIMContext) {
|
||
mIMContext->OnDestroyWindow(this);
|
||
}
|
||
|
||
// make sure that we remove ourself as the focus window
|
||
if (gFocusWindow == this) {
|
||
LOGFOCUS(("automatically losing focus...\n"));
|
||
gFocusWindow = nullptr;
|
||
}
|
||
|
||
GtkWidget *owningWidget = GetMozContainerWidget();
|
||
if (mShell) {
|
||
gtk_widget_destroy(mShell);
|
||
mShell = nullptr;
|
||
mContainer = nullptr;
|
||
MOZ_ASSERT(!mGdkWindow,
|
||
"mGdkWindow should be NULL when mContainer is destroyed");
|
||
}
|
||
else if (mContainer) {
|
||
gtk_widget_destroy(GTK_WIDGET(mContainer));
|
||
mContainer = nullptr;
|
||
MOZ_ASSERT(!mGdkWindow,
|
||
"mGdkWindow should be NULL when mContainer is destroyed");
|
||
}
|
||
else if (mGdkWindow) {
|
||
// Destroy child windows to ensure that their mThebesSurfaces are
|
||
// released and to remove references from GdkWindows back to their
|
||
// container widget. (OnContainerUnrealize() does this when the
|
||
// MozContainer widget is destroyed.)
|
||
DestroyChildWindows();
|
||
|
||
gdk_window_set_user_data(mGdkWindow, nullptr);
|
||
g_object_set_data(G_OBJECT(mGdkWindow), "nsWindow", nullptr);
|
||
gdk_window_destroy(mGdkWindow);
|
||
mGdkWindow = nullptr;
|
||
}
|
||
|
||
if (gInvisibleContainer && owningWidget == gInvisibleContainer) {
|
||
CheckDestroyInvisibleContainer();
|
||
}
|
||
|
||
#ifdef ACCESSIBILITY
|
||
if (mRootAccessible) {
|
||
mRootAccessible = nullptr;
|
||
}
|
||
#endif
|
||
|
||
// Save until last because OnDestroy() may cause us to be deleted.
|
||
OnDestroy();
|
||
}
|
||
|
||
nsIWidget *
|
||
nsWindow::GetParent(void)
|
||
{
|
||
return mParent;
|
||
}
|
||
|
||
float
|
||
nsWindow::GetDPI()
|
||
{
|
||
float dpi = 96.0f;
|
||
nsCOMPtr<nsIScreen> screen = GetWidgetScreen();
|
||
if (screen) {
|
||
screen->GetDpi(&dpi);
|
||
}
|
||
return dpi;
|
||
}
|
||
|
||
double
|
||
nsWindow::GetDefaultScaleInternal()
|
||
{
|
||
return GdkScaleFactor() * gfxPlatformGtk::GetFontScaleFactor();
|
||
}
|
||
|
||
DesktopToLayoutDeviceScale
|
||
nsWindow::GetDesktopToDeviceScale()
|
||
{
|
||
#ifdef MOZ_WAYLAND
|
||
GdkDisplay* gdkDisplay = gdk_display_get_default();
|
||
if (GDK_IS_WAYLAND_DISPLAY(gdkDisplay)) {
|
||
return DesktopToLayoutDeviceScale(GdkScaleFactor());
|
||
}
|
||
#endif
|
||
|
||
// In Gtk/X11, we manage windows using device pixels.
|
||
return DesktopToLayoutDeviceScale(1.0);
|
||
}
|
||
|
||
void
|
||
nsWindow::SetParent(nsIWidget *aNewParent)
|
||
{
|
||
if (!mGdkWindow) {
|
||
MOZ_ASSERT_UNREACHABLE("The native window has already been destroyed");
|
||
return;
|
||
}
|
||
|
||
if (mContainer) {
|
||
// FIXME bug 1469183
|
||
NS_ERROR("nsWindow should not have a container here");
|
||
return;
|
||
}
|
||
|
||
nsCOMPtr<nsIWidget> kungFuDeathGrip = this;
|
||
if (mParent) {
|
||
mParent->RemoveChild(this);
|
||
}
|
||
|
||
mParent = aNewParent;
|
||
|
||
GtkWidget* oldContainer = GetMozContainerWidget();
|
||
if (!oldContainer) {
|
||
// The GdkWindows have been destroyed so there is nothing else to
|
||
// reparent.
|
||
MOZ_ASSERT(gdk_window_is_destroyed(mGdkWindow),
|
||
"live GdkWindow with no widget");
|
||
return;
|
||
}
|
||
|
||
if (aNewParent) {
|
||
aNewParent->AddChild(this);
|
||
ReparentNativeWidget(aNewParent);
|
||
} else {
|
||
// aNewParent is nullptr, but reparent to a hidden window to avoid
|
||
// destroying the GdkWindow and its descendants.
|
||
// An invisible container widget is needed to hold descendant
|
||
// GtkWidgets.
|
||
GtkWidget* newContainer = EnsureInvisibleContainer();
|
||
GdkWindow* newParentWindow = gtk_widget_get_window(newContainer);
|
||
ReparentNativeWidgetInternal(aNewParent, newContainer, newParentWindow,
|
||
oldContainer);
|
||
}
|
||
}
|
||
|
||
bool
|
||
nsWindow::WidgetTypeSupportsAcceleration()
|
||
{
|
||
return !IsSmallPopup();
|
||
}
|
||
|
||
void
|
||
nsWindow::ReparentNativeWidget(nsIWidget* aNewParent)
|
||
{
|
||
MOZ_ASSERT(aNewParent, "null widget");
|
||
NS_ASSERTION(!mIsDestroyed, "");
|
||
NS_ASSERTION(!static_cast<nsWindow*>(aNewParent)->mIsDestroyed, "");
|
||
|
||
GtkWidget* oldContainer = GetMozContainerWidget();
|
||
if (!oldContainer) {
|
||
// The GdkWindows have been destroyed so there is nothing else to
|
||
// reparent.
|
||
MOZ_ASSERT(gdk_window_is_destroyed(mGdkWindow),
|
||
"live GdkWindow with no widget");
|
||
return;
|
||
}
|
||
MOZ_ASSERT(!gdk_window_is_destroyed(mGdkWindow),
|
||
"destroyed GdkWindow with widget");
|
||
|
||
auto* newParent = static_cast<nsWindow*>(aNewParent);
|
||
GdkWindow* newParentWindow = newParent->mGdkWindow;
|
||
GtkWidget* newContainer = newParent->GetMozContainerWidget();
|
||
GtkWindow* shell = GTK_WINDOW(mShell);
|
||
|
||
if (shell && gtk_window_get_transient_for(shell)) {
|
||
GtkWindow* topLevelParent =
|
||
GTK_WINDOW(gtk_widget_get_toplevel(newContainer));
|
||
gtk_window_set_transient_for(shell, topLevelParent);
|
||
}
|
||
|
||
ReparentNativeWidgetInternal(aNewParent, newContainer, newParentWindow,
|
||
oldContainer);
|
||
}
|
||
|
||
void
|
||
nsWindow::ReparentNativeWidgetInternal(nsIWidget* aNewParent,
|
||
GtkWidget* aNewContainer,
|
||
GdkWindow* aNewParentWindow,
|
||
GtkWidget* aOldContainer)
|
||
{
|
||
if (!aNewContainer) {
|
||
// The new parent GdkWindow has been destroyed.
|
||
MOZ_ASSERT(!aNewParentWindow ||
|
||
gdk_window_is_destroyed(aNewParentWindow),
|
||
"live GdkWindow with no widget");
|
||
Destroy();
|
||
} else {
|
||
if (aNewContainer != aOldContainer) {
|
||
MOZ_ASSERT(!gdk_window_is_destroyed(aNewParentWindow),
|
||
"destroyed GdkWindow with widget");
|
||
SetWidgetForHierarchy(mGdkWindow, aOldContainer, aNewContainer);
|
||
|
||
if (aOldContainer == gInvisibleContainer) {
|
||
CheckDestroyInvisibleContainer();
|
||
}
|
||
}
|
||
|
||
if (!mIsTopLevel) {
|
||
gdk_window_reparent(mGdkWindow, aNewParentWindow,
|
||
DevicePixelsToGdkCoordRoundDown(mBounds.x),
|
||
DevicePixelsToGdkCoordRoundDown(mBounds.y));
|
||
}
|
||
}
|
||
|
||
auto* newParent = static_cast<nsWindow*>(aNewParent);
|
||
bool parentHasMappedToplevel =
|
||
newParent && newParent->mHasMappedToplevel;
|
||
if (mHasMappedToplevel != parentHasMappedToplevel) {
|
||
SetHasMappedToplevel(parentHasMappedToplevel);
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::SetModal(bool aModal)
|
||
{
|
||
LOG(("nsWindow::SetModal [%p] %d\n", (void *)this, aModal));
|
||
if (mIsDestroyed)
|
||
return;
|
||
if (!mIsTopLevel || !mShell)
|
||
return;
|
||
gtk_window_set_modal(GTK_WINDOW(mShell), aModal ? TRUE : FALSE);
|
||
}
|
||
|
||
// nsIWidget method, which means IsShown.
|
||
bool
|
||
nsWindow::IsVisible() const
|
||
{
|
||
return mIsShown;
|
||
}
|
||
|
||
void
|
||
nsWindow::RegisterTouchWindow()
|
||
{
|
||
#if GTK_CHECK_VERSION(3,4,0)
|
||
mHandleTouchEvent = true;
|
||
mTouches.Clear();
|
||
#endif
|
||
}
|
||
|
||
void
|
||
nsWindow::ConstrainPosition(bool aAllowSlop, int32_t *aX, int32_t *aY)
|
||
{
|
||
if (!mIsTopLevel || !mShell)
|
||
return;
|
||
|
||
double dpiScale = GetDefaultScale().scale;
|
||
|
||
// we need to use the window size in logical screen pixels
|
||
int32_t logWidth = std::max(NSToIntRound(mBounds.width / dpiScale), 1);
|
||
int32_t logHeight = std::max(NSToIntRound(mBounds.height / dpiScale), 1);
|
||
|
||
/* get our playing field. use the current screen, or failing that
|
||
for any reason, use device caps for the default screen. */
|
||
nsCOMPtr<nsIScreen> screen;
|
||
nsCOMPtr<nsIScreenManager> screenmgr = do_GetService("@mozilla.org/gfx/screenmanager;1");
|
||
if (screenmgr) {
|
||
screenmgr->ScreenForRect(*aX, *aY, logWidth, logHeight,
|
||
getter_AddRefs(screen));
|
||
}
|
||
|
||
// We don't have any screen so leave the coordinates as is
|
||
if (!screen)
|
||
return;
|
||
|
||
nsIntRect screenRect;
|
||
if (mSizeMode != nsSizeMode_Fullscreen) {
|
||
// For normalized windows, use the desktop work area.
|
||
screen->GetAvailRectDisplayPix(&screenRect.x, &screenRect.y,
|
||
&screenRect.width, &screenRect.height);
|
||
} else {
|
||
// For full screen windows, use the desktop.
|
||
screen->GetRectDisplayPix(&screenRect.x, &screenRect.y,
|
||
&screenRect.width, &screenRect.height);
|
||
}
|
||
|
||
if (aAllowSlop) {
|
||
if (*aX < screenRect.x - logWidth + kWindowPositionSlop)
|
||
*aX = screenRect.x - logWidth + kWindowPositionSlop;
|
||
else if (*aX >= screenRect.XMost() - kWindowPositionSlop)
|
||
*aX = screenRect.XMost() - kWindowPositionSlop;
|
||
|
||
if (*aY < screenRect.y - logHeight + kWindowPositionSlop)
|
||
*aY = screenRect.y - logHeight + kWindowPositionSlop;
|
||
else if (*aY >= screenRect.YMost() - kWindowPositionSlop)
|
||
*aY = screenRect.YMost() - kWindowPositionSlop;
|
||
} else {
|
||
if (*aX < screenRect.x)
|
||
*aX = screenRect.x;
|
||
else if (*aX >= screenRect.XMost() - logWidth)
|
||
*aX = screenRect.XMost() - logWidth;
|
||
|
||
if (*aY < screenRect.y)
|
||
*aY = screenRect.y;
|
||
else if (*aY >= screenRect.YMost() - logHeight)
|
||
*aY = screenRect.YMost() - logHeight;
|
||
}
|
||
}
|
||
|
||
void nsWindow::SetSizeConstraints(const SizeConstraints& aConstraints)
|
||
{
|
||
mSizeConstraints.mMinSize = GetSafeWindowSize(aConstraints.mMinSize);
|
||
mSizeConstraints.mMaxSize = GetSafeWindowSize(aConstraints.mMaxSize);
|
||
|
||
if (mShell) {
|
||
GdkGeometry geometry;
|
||
geometry.min_width = DevicePixelsToGdkCoordRoundUp(
|
||
mSizeConstraints.mMinSize.width);
|
||
geometry.min_height = DevicePixelsToGdkCoordRoundUp(
|
||
mSizeConstraints.mMinSize.height);
|
||
geometry.max_width = DevicePixelsToGdkCoordRoundDown(
|
||
mSizeConstraints.mMaxSize.width);
|
||
geometry.max_height = DevicePixelsToGdkCoordRoundDown(
|
||
mSizeConstraints.mMaxSize.height);
|
||
|
||
uint32_t hints = 0;
|
||
if (aConstraints.mMinSize != LayoutDeviceIntSize(0, 0)) {
|
||
hints |= GDK_HINT_MIN_SIZE;
|
||
}
|
||
if (aConstraints.mMaxSize !=
|
||
LayoutDeviceIntSize(NS_MAXSIZE, NS_MAXSIZE)) {
|
||
hints |= GDK_HINT_MAX_SIZE;
|
||
}
|
||
gtk_window_set_geometry_hints(GTK_WINDOW(mShell), nullptr,
|
||
&geometry, GdkWindowHints(hints));
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::Show(bool aState)
|
||
{
|
||
if (aState == mIsShown)
|
||
return;
|
||
|
||
// Clear our cached resources when the window is hidden.
|
||
if (mIsShown && !aState) {
|
||
ClearCachedResources();
|
||
}
|
||
|
||
mIsShown = aState;
|
||
|
||
LOG(("nsWindow::Show [%p] state %d\n", (void *)this, aState));
|
||
|
||
if (aState) {
|
||
// Now that this window is shown, mHasMappedToplevel needs to be
|
||
// tracked on viewable descendants.
|
||
SetHasMappedToplevel(mHasMappedToplevel);
|
||
}
|
||
|
||
// Ok, someone called show on a window that isn't sized to a sane
|
||
// value. Mark this window as needing to have Show() called on it
|
||
// and return.
|
||
if ((aState && !AreBoundsSane()) || !mCreated) {
|
||
LOG(("\tbounds are insane or window hasn't been created yet\n"));
|
||
mNeedsShow = true;
|
||
return;
|
||
}
|
||
|
||
// If someone is hiding this widget, clear any needing show flag.
|
||
if (!aState)
|
||
mNeedsShow = false;
|
||
|
||
#ifdef ACCESSIBILITY
|
||
if (aState && a11y::ShouldA11yBeEnabled())
|
||
CreateRootAccessible();
|
||
#endif
|
||
|
||
NativeShow(aState);
|
||
}
|
||
|
||
void
|
||
nsWindow::Resize(double aWidth, double aHeight, bool aRepaint)
|
||
{
|
||
double scale = BoundsUseDesktopPixels() ? GetDesktopToDeviceScale().scale : 1.0;
|
||
int32_t width = NSToIntRound(scale * aWidth);
|
||
int32_t height = NSToIntRound(scale * aHeight);
|
||
ConstrainSize(&width, &height);
|
||
|
||
// For top-level windows, aWidth and aHeight should possibly be
|
||
// interpreted as frame bounds, but NativeResize treats these as window
|
||
// bounds (Bug 581866).
|
||
|
||
mBounds.SizeTo(width, height);
|
||
|
||
if (!mCreated)
|
||
return;
|
||
|
||
NativeResize();
|
||
|
||
NotifyRollupGeometryChange();
|
||
|
||
// send a resize notification if this is a toplevel
|
||
if (mIsTopLevel || mListenForResizes) {
|
||
DispatchResized();
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::Resize(double aX, double aY, double aWidth, double aHeight,
|
||
bool aRepaint)
|
||
{
|
||
double scale = BoundsUseDesktopPixels() ? GetDesktopToDeviceScale().scale : 1.0;
|
||
int32_t width = NSToIntRound(scale * aWidth);
|
||
int32_t height = NSToIntRound(scale * aHeight);
|
||
ConstrainSize(&width, &height);
|
||
|
||
int32_t x = NSToIntRound(scale * aX);
|
||
int32_t y = NSToIntRound(scale * aY);
|
||
mBounds.x = x;
|
||
mBounds.y = y;
|
||
mBounds.SizeTo(width, height);
|
||
|
||
if (!mCreated)
|
||
return;
|
||
|
||
NativeMoveResize();
|
||
|
||
NotifyRollupGeometryChange();
|
||
|
||
if (mIsTopLevel || mListenForResizes) {
|
||
DispatchResized();
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::Enable(bool aState)
|
||
{
|
||
mEnabled = aState;
|
||
}
|
||
|
||
bool
|
||
nsWindow::IsEnabled() const
|
||
{
|
||
return mEnabled;
|
||
}
|
||
|
||
void
|
||
nsWindow::Move(double aX, double aY)
|
||
{
|
||
LOG(("nsWindow::Move [%p] %f %f\n", (void *)this,
|
||
aX, aY));
|
||
|
||
double scale = BoundsUseDesktopPixels() ? GetDesktopToDeviceScale().scale : 1.0;
|
||
int32_t x = NSToIntRound(aX * scale);
|
||
int32_t y = NSToIntRound(aY * scale);
|
||
|
||
if (mWindowType == eWindowType_toplevel ||
|
||
mWindowType == eWindowType_dialog) {
|
||
SetSizeMode(nsSizeMode_Normal);
|
||
}
|
||
|
||
// Since a popup window's x/y coordinates are in relation to to
|
||
// the parent, the parent might have moved so we always move a
|
||
// popup window.
|
||
if (x == mBounds.x && y == mBounds.y &&
|
||
mWindowType != eWindowType_popup)
|
||
return;
|
||
|
||
// XXX Should we do some AreBoundsSane check here?
|
||
|
||
mBounds.x = x;
|
||
mBounds.y = y;
|
||
|
||
if (!mCreated)
|
||
return;
|
||
|
||
NativeMove();
|
||
|
||
NotifyRollupGeometryChange();
|
||
}
|
||
|
||
|
||
void
|
||
nsWindow::NativeMove()
|
||
{
|
||
GdkPoint point = DevicePixelsToGdkPointRoundDown(mBounds.TopLeft());
|
||
|
||
if (mIsTopLevel) {
|
||
gtk_window_move(GTK_WINDOW(mShell), point.x, point.y);
|
||
}
|
||
else if (mGdkWindow) {
|
||
gdk_window_move(mGdkWindow, point.x, point.y);
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::SetZIndex(int32_t aZIndex)
|
||
{
|
||
nsIWidget* oldPrev = GetPrevSibling();
|
||
|
||
nsBaseWidget::SetZIndex(aZIndex);
|
||
|
||
if (GetPrevSibling() == oldPrev) {
|
||
return;
|
||
}
|
||
|
||
NS_ASSERTION(!mContainer, "Expected Mozilla child widget");
|
||
|
||
// We skip the nsWindows that don't have mGdkWindows.
|
||
// These are probably in the process of being destroyed.
|
||
|
||
if (!GetNextSibling()) {
|
||
// We're to be on top.
|
||
if (mGdkWindow)
|
||
gdk_window_raise(mGdkWindow);
|
||
} else {
|
||
// All the siblings before us need to be below our widget.
|
||
for (nsWindow* w = this; w;
|
||
w = static_cast<nsWindow*>(w->GetPrevSibling())) {
|
||
if (w->mGdkWindow)
|
||
gdk_window_lower(w->mGdkWindow);
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::SetSizeMode(nsSizeMode aMode)
|
||
{
|
||
LOG(("nsWindow::SetSizeMode [%p] %d\n", (void *)this, aMode));
|
||
|
||
// Save the requested state.
|
||
nsBaseWidget::SetSizeMode(aMode);
|
||
|
||
// return if there's no shell or our current state is the same as
|
||
// the mode we were just set to.
|
||
if (!mShell || mSizeState == mSizeMode) {
|
||
return;
|
||
}
|
||
|
||
switch (aMode) {
|
||
case nsSizeMode_Maximized:
|
||
gtk_window_maximize(GTK_WINDOW(mShell));
|
||
break;
|
||
case nsSizeMode_Minimized:
|
||
gtk_window_iconify(GTK_WINDOW(mShell));
|
||
break;
|
||
case nsSizeMode_Fullscreen:
|
||
MakeFullScreen(true);
|
||
break;
|
||
|
||
default:
|
||
// nsSizeMode_Normal, really.
|
||
if (mSizeState == nsSizeMode_Minimized)
|
||
gtk_window_deiconify(GTK_WINDOW(mShell));
|
||
else if (mSizeState == nsSizeMode_Maximized)
|
||
gtk_window_unmaximize(GTK_WINDOW(mShell));
|
||
break;
|
||
}
|
||
|
||
mSizeState = mSizeMode;
|
||
}
|
||
|
||
typedef void (* SetUserTimeFunc)(GdkWindow* aWindow, guint32 aTimestamp);
|
||
|
||
// This will become obsolete when new GTK APIs are widely supported,
|
||
// as described here: http://bugzilla.gnome.org/show_bug.cgi?id=347375
|
||
static void
|
||
SetUserTimeAndStartupIDForActivatedWindow(GtkWidget* aWindow)
|
||
{
|
||
nsGTKToolkit* GTKToolkit = nsGTKToolkit::GetToolkit();
|
||
if (!GTKToolkit)
|
||
return;
|
||
|
||
nsAutoCString desktopStartupID;
|
||
GTKToolkit->GetDesktopStartupID(&desktopStartupID);
|
||
if (desktopStartupID.IsEmpty()) {
|
||
// We don't have the data we need. Fall back to an
|
||
// approximation ... using the timestamp of the remote command
|
||
// being received as a guess for the timestamp of the user event
|
||
// that triggered it.
|
||
uint32_t timestamp = GTKToolkit->GetFocusTimestamp();
|
||
if (timestamp) {
|
||
gdk_window_focus(gtk_widget_get_window(aWindow), timestamp);
|
||
GTKToolkit->SetFocusTimestamp(0);
|
||
}
|
||
return;
|
||
}
|
||
|
||
#if defined(MOZ_ENABLE_STARTUP_NOTIFICATION)
|
||
// TODO - Implement for non-X11 Gtk backends (Bug 726479)
|
||
if (GDK_IS_X11_DISPLAY(gdk_display_get_default())) {
|
||
GdkWindow* gdkWindow = gtk_widget_get_window(aWindow);
|
||
|
||
GdkScreen* screen = gdk_window_get_screen(gdkWindow);
|
||
SnDisplay* snd =
|
||
sn_display_new(gdk_x11_display_get_xdisplay(gdk_window_get_display(gdkWindow)),
|
||
nullptr, nullptr);
|
||
if (!snd)
|
||
return;
|
||
SnLauncheeContext* ctx =
|
||
sn_launchee_context_new(snd, gdk_screen_get_number(screen),
|
||
desktopStartupID.get());
|
||
if (!ctx) {
|
||
sn_display_unref(snd);
|
||
return;
|
||
}
|
||
|
||
if (sn_launchee_context_get_id_has_timestamp(ctx)) {
|
||
gdk_x11_window_set_user_time(gdkWindow,
|
||
sn_launchee_context_get_timestamp(ctx));
|
||
}
|
||
|
||
sn_launchee_context_setup_window(ctx, gdk_x11_window_get_xid(gdkWindow));
|
||
sn_launchee_context_complete(ctx);
|
||
|
||
sn_launchee_context_unref(ctx);
|
||
sn_display_unref(snd);
|
||
}
|
||
#endif
|
||
|
||
// If we used the startup ID, that already contains the focus timestamp;
|
||
// we don't want to reuse the timestamp next time we raise the window
|
||
GTKToolkit->SetFocusTimestamp(0);
|
||
GTKToolkit->SetDesktopStartupID(EmptyCString());
|
||
}
|
||
|
||
/* static */ guint32
|
||
nsWindow::GetLastUserInputTime()
|
||
{
|
||
// gdk_x11_display_get_user_time/gtk_get_current_event_time tracks
|
||
// button and key presses, DESKTOP_STARTUP_ID used to start the app,
|
||
// drop events from external drags,
|
||
// WM_DELETE_WINDOW delete events, but not usually mouse motion nor
|
||
// button and key releases. Therefore use the most recent of
|
||
// gdk_x11_display_get_user_time and the last time that we have seen.
|
||
GdkDisplay* gdkDisplay = gdk_display_get_default();
|
||
guint32 timestamp = GDK_IS_X11_DISPLAY(gdkDisplay) ?
|
||
gdk_x11_display_get_user_time(gdkDisplay) :
|
||
gtk_get_current_event_time();
|
||
|
||
if (sLastUserInputTime != GDK_CURRENT_TIME &&
|
||
TimestampIsNewerThan(sLastUserInputTime, timestamp)) {
|
||
return sLastUserInputTime;
|
||
}
|
||
|
||
return timestamp;
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::SetFocus(bool aRaise)
|
||
{
|
||
// Make sure that our owning widget has focus. If it doesn't try to
|
||
// grab it. Note that we don't set our focus flag in this case.
|
||
|
||
LOGFOCUS((" SetFocus %d [%p]\n", aRaise, (void *)this));
|
||
|
||
GtkWidget *owningWidget = GetMozContainerWidget();
|
||
if (!owningWidget)
|
||
return NS_ERROR_FAILURE;
|
||
|
||
// Raise the window if someone passed in true and the prefs are
|
||
// set properly.
|
||
GtkWidget *toplevelWidget = gtk_widget_get_toplevel(owningWidget);
|
||
|
||
if (gRaiseWindows && aRaise && toplevelWidget &&
|
||
!gtk_widget_has_focus(owningWidget) &&
|
||
!gtk_widget_has_focus(toplevelWidget)) {
|
||
GtkWidget* top_window = GetToplevelWidget();
|
||
if (top_window && (gtk_widget_get_visible(top_window)))
|
||
{
|
||
gdk_window_show_unraised(gtk_widget_get_window(top_window));
|
||
// Unset the urgency hint if possible.
|
||
SetUrgencyHint(top_window, false);
|
||
}
|
||
}
|
||
|
||
RefPtr<nsWindow> owningWindow = get_window_for_gtk_widget(owningWidget);
|
||
if (!owningWindow)
|
||
return NS_ERROR_FAILURE;
|
||
|
||
if (aRaise) {
|
||
// aRaise == true means request toplevel activation.
|
||
|
||
// This is asynchronous.
|
||
// If and when the window manager accepts the request, then the focus
|
||
// widget will get a focus-in-event signal.
|
||
if (gRaiseWindows && owningWindow->mIsShown && owningWindow->mShell &&
|
||
!gtk_window_is_active(GTK_WINDOW(owningWindow->mShell))) {
|
||
|
||
uint32_t timestamp = GDK_CURRENT_TIME;
|
||
|
||
nsGTKToolkit* GTKToolkit = nsGTKToolkit::GetToolkit();
|
||
if (GTKToolkit)
|
||
timestamp = GTKToolkit->GetFocusTimestamp();
|
||
|
||
LOGFOCUS((" requesting toplevel activation [%p]\n", (void *)this));
|
||
NS_ASSERTION(owningWindow->mWindowType != eWindowType_popup
|
||
|| mParent,
|
||
"Presenting an override-redirect window");
|
||
gtk_window_present_with_time(GTK_WINDOW(owningWindow->mShell), timestamp);
|
||
|
||
if (GTKToolkit)
|
||
GTKToolkit->SetFocusTimestamp(0);
|
||
}
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
// aRaise == false means that keyboard events should be dispatched
|
||
// from this widget.
|
||
|
||
// Ensure owningWidget is the focused GtkWidget within its toplevel window.
|
||
//
|
||
// For eWindowType_popup, this GtkWidget may not actually be the one that
|
||
// receives the key events as it may be the parent window that is active.
|
||
if (!gtk_widget_is_focus(owningWidget)) {
|
||
// This is synchronous. It takes focus from a plugin or from a widget
|
||
// in an embedder. The focus manager already knows that this window
|
||
// is active so gBlockActivateEvent avoids another (unnecessary)
|
||
// activate notification.
|
||
gBlockActivateEvent = true;
|
||
gtk_widget_grab_focus(owningWidget);
|
||
gBlockActivateEvent = false;
|
||
}
|
||
|
||
// If this is the widget that already has focus, return.
|
||
if (gFocusWindow == this) {
|
||
LOGFOCUS((" already have focus [%p]\n", (void *)this));
|
||
return NS_OK;
|
||
}
|
||
|
||
// Set this window to be the focused child window
|
||
gFocusWindow = this;
|
||
|
||
if (mIMContext) {
|
||
mIMContext->OnFocusWindow(this);
|
||
}
|
||
|
||
LOGFOCUS((" widget now has focus in SetFocus() [%p]\n",
|
||
(void *)this));
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
LayoutDeviceIntRect
|
||
nsWindow::GetScreenBounds()
|
||
{
|
||
LayoutDeviceIntRect rect;
|
||
if (mIsTopLevel && mContainer) {
|
||
// use the point including window decorations
|
||
gint x, y;
|
||
gdk_window_get_root_origin(gtk_widget_get_window(GTK_WIDGET(mContainer)), &x, &y);
|
||
rect.MoveTo(GdkPointToDevicePixels({ x, y }));
|
||
} else {
|
||
rect.MoveTo(WidgetToScreenOffset());
|
||
}
|
||
// mBounds.Size() is the window bounds, not the window-manager frame
|
||
// bounds (bug 581863). gdk_window_get_frame_extents would give the
|
||
// frame bounds, but mBounds.Size() is returned here for consistency
|
||
// with Resize.
|
||
rect.SizeTo(mBounds.Size());
|
||
LOG(("GetScreenBounds %d,%d | %dx%d\n",
|
||
rect.x, rect.y, rect.width, rect.height));
|
||
return rect;
|
||
}
|
||
|
||
LayoutDeviceIntSize
|
||
nsWindow::GetClientSize()
|
||
{
|
||
return LayoutDeviceIntSize(mBounds.width, mBounds.height);
|
||
}
|
||
|
||
LayoutDeviceIntRect
|
||
nsWindow::GetClientBounds()
|
||
{
|
||
// GetBounds returns a rect whose top left represents the top left of the
|
||
// outer bounds, but whose width/height represent the size of the inner
|
||
// bounds (which is messed up).
|
||
LayoutDeviceIntRect rect = GetBounds();
|
||
rect.MoveBy(GetClientOffset());
|
||
return rect;
|
||
}
|
||
|
||
void
|
||
nsWindow::UpdateClientOffset()
|
||
{
|
||
AUTO_PROFILER_LABEL("nsWindow::UpdateClientOffset", OTHER);
|
||
|
||
if (!mIsTopLevel || !mShell || !mIsX11Display ||
|
||
gtk_window_get_window_type(GTK_WINDOW(mShell)) == GTK_WINDOW_POPUP) {
|
||
mClientOffset = nsIntPoint(0, 0);
|
||
return;
|
||
}
|
||
|
||
GdkAtom cardinal_atom = gdk_x11_xatom_to_atom(XA_CARDINAL);
|
||
|
||
GdkAtom type_returned;
|
||
int format_returned;
|
||
int length_returned;
|
||
long *frame_extents;
|
||
|
||
if (!gdk_property_get(gtk_widget_get_window(mShell),
|
||
gdk_atom_intern ("_NET_FRAME_EXTENTS", FALSE),
|
||
cardinal_atom,
|
||
0, // offset
|
||
4*4, // length
|
||
FALSE, // delete
|
||
&type_returned,
|
||
&format_returned,
|
||
&length_returned,
|
||
(guchar **) &frame_extents) ||
|
||
length_returned/sizeof(glong) != 4) {
|
||
mClientOffset = nsIntPoint(0, 0);
|
||
return;
|
||
}
|
||
|
||
// data returned is in the order left, right, top, bottom
|
||
auto left = int32_t(frame_extents[0]);
|
||
auto top = int32_t(frame_extents[2]);
|
||
|
||
g_free(frame_extents);
|
||
|
||
mClientOffset = nsIntPoint(left, top);
|
||
}
|
||
|
||
LayoutDeviceIntPoint
|
||
nsWindow::GetClientOffset()
|
||
{
|
||
return LayoutDeviceIntPoint::FromUnknownPoint(mClientOffset);
|
||
}
|
||
|
||
gboolean
|
||
nsWindow::OnPropertyNotifyEvent(GtkWidget* aWidget, GdkEventProperty* aEvent)
|
||
|
||
{
|
||
if (aEvent->atom == gdk_atom_intern("_NET_FRAME_EXTENTS", FALSE)) {
|
||
UpdateClientOffset();
|
||
|
||
// Send a WindowMoved notification. This ensures that TabParent
|
||
// picks up the new client offset and sends it to the child process
|
||
// if appropriate.
|
||
NotifyWindowMoved(mBounds.x, mBounds.y);
|
||
return FALSE;
|
||
}
|
||
|
||
if (GetCurrentTimeGetter()->PropertyNotifyHandler(aWidget, aEvent)) {
|
||
return TRUE;
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
void
|
||
nsWindow::SetCursor(nsCursor aCursor)
|
||
{
|
||
// if we're not the toplevel window pass up the cursor request to
|
||
// the toplevel window to handle it.
|
||
if (!mContainer && mGdkWindow) {
|
||
nsWindow *window = GetContainerWindow();
|
||
if (!window)
|
||
return;
|
||
|
||
window->SetCursor(aCursor);
|
||
return;
|
||
}
|
||
|
||
// Only change cursor if it's actually been changed
|
||
if (aCursor != mCursor || mUpdateCursor) {
|
||
GdkCursor *newCursor = nullptr;
|
||
mUpdateCursor = false;
|
||
|
||
newCursor = get_gtk_cursor(aCursor);
|
||
|
||
if (nullptr != newCursor) {
|
||
mCursor = aCursor;
|
||
|
||
if (!mContainer)
|
||
return;
|
||
|
||
gdk_window_set_cursor(gtk_widget_get_window(GTK_WIDGET(mContainer)), newCursor);
|
||
}
|
||
}
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::SetCursor(imgIContainer* aCursor,
|
||
uint32_t aHotspotX, uint32_t aHotspotY)
|
||
{
|
||
// if we're not the toplevel window pass up the cursor request to
|
||
// the toplevel window to handle it.
|
||
if (!mContainer && mGdkWindow) {
|
||
nsWindow *window = GetContainerWindow();
|
||
if (!window)
|
||
return NS_ERROR_FAILURE;
|
||
|
||
return window->SetCursor(aCursor, aHotspotX, aHotspotY);
|
||
}
|
||
|
||
mCursor = eCursorInvalid;
|
||
|
||
// Get the image's current frame
|
||
GdkPixbuf* pixbuf = nsImageToPixbuf::ImageToPixbuf(aCursor);
|
||
if (!pixbuf)
|
||
return NS_ERROR_NOT_AVAILABLE;
|
||
|
||
int width = gdk_pixbuf_get_width(pixbuf);
|
||
int height = gdk_pixbuf_get_height(pixbuf);
|
||
// Reject cursors greater than 128 pixels in some direction, to prevent
|
||
// spoofing.
|
||
// XXX ideally we should rescale. Also, we could modify the API to
|
||
// allow trusted content to set larger cursors.
|
||
if (width > 128 || height > 128) {
|
||
g_object_unref(pixbuf);
|
||
return NS_ERROR_NOT_AVAILABLE;
|
||
}
|
||
|
||
// Looks like all cursors need an alpha channel (tested on Gtk 2.4.4). This
|
||
// is of course not documented anywhere...
|
||
// So add one if there isn't one yet
|
||
if (!gdk_pixbuf_get_has_alpha(pixbuf)) {
|
||
GdkPixbuf* alphaBuf = gdk_pixbuf_add_alpha(pixbuf, FALSE, 0, 0, 0);
|
||
g_object_unref(pixbuf);
|
||
if (!alphaBuf) {
|
||
return NS_ERROR_OUT_OF_MEMORY;
|
||
}
|
||
pixbuf = alphaBuf;
|
||
}
|
||
|
||
GdkCursor* cursor = gdk_cursor_new_from_pixbuf(gdk_display_get_default(),
|
||
pixbuf,
|
||
aHotspotX, aHotspotY);
|
||
g_object_unref(pixbuf);
|
||
nsresult rv = NS_ERROR_OUT_OF_MEMORY;
|
||
if (cursor) {
|
||
if (mContainer) {
|
||
gdk_window_set_cursor(gtk_widget_get_window(GTK_WIDGET(mContainer)), cursor);
|
||
rv = NS_OK;
|
||
}
|
||
g_object_unref(cursor);
|
||
}
|
||
|
||
return rv;
|
||
}
|
||
|
||
void
|
||
nsWindow::Invalidate(const LayoutDeviceIntRect& aRect)
|
||
{
|
||
if (!mGdkWindow)
|
||
return;
|
||
|
||
GdkRectangle rect = DevicePixelsToGdkRectRoundOut(aRect);
|
||
gdk_window_invalidate_rect(mGdkWindow, &rect, FALSE);
|
||
|
||
LOGDRAW(("Invalidate (rect) [%p]: %d %d %d %d\n", (void *)this,
|
||
rect.x, rect.y, rect.width, rect.height));
|
||
}
|
||
|
||
void*
|
||
nsWindow::GetNativeData(uint32_t aDataType)
|
||
{
|
||
switch (aDataType) {
|
||
case NS_NATIVE_WINDOW:
|
||
case NS_NATIVE_WIDGET: {
|
||
if (!mGdkWindow)
|
||
return nullptr;
|
||
|
||
return mGdkWindow;
|
||
}
|
||
|
||
case NS_NATIVE_DISPLAY: {
|
||
#ifdef MOZ_X11
|
||
GdkDisplay* gdkDisplay = gdk_display_get_default();
|
||
if (GDK_IS_X11_DISPLAY(gdkDisplay)) {
|
||
return GDK_DISPLAY_XDISPLAY(gdkDisplay);
|
||
}
|
||
#endif /* MOZ_X11 */
|
||
// Don't bother to return native display on Wayland as it's for
|
||
// X11 only NPAPI plugins.
|
||
return nullptr;
|
||
}
|
||
case NS_NATIVE_SHELLWIDGET:
|
||
return GetToplevelWidget();
|
||
|
||
case NS_NATIVE_SHAREABLE_WINDOW:
|
||
if (mIsX11Display) {
|
||
return (void *) GDK_WINDOW_XID(gdk_window_get_toplevel(mGdkWindow));
|
||
}
|
||
NS_WARNING("nsWindow::GetNativeData(): NS_NATIVE_SHAREABLE_WINDOW is not handled on Wayland!");
|
||
return nullptr;
|
||
case NS_RAW_NATIVE_IME_CONTEXT: {
|
||
void* pseudoIMEContext = GetPseudoIMEContext();
|
||
if (pseudoIMEContext) {
|
||
return pseudoIMEContext;
|
||
}
|
||
// If IME context isn't available on this widget, we should set |this|
|
||
// instead of nullptr.
|
||
if (!mIMContext) {
|
||
return this;
|
||
}
|
||
return mIMContext.get();
|
||
}
|
||
case NS_NATIVE_OPENGL_CONTEXT:
|
||
return nullptr;
|
||
#ifdef MOZ_X11
|
||
case NS_NATIVE_COMPOSITOR_DISPLAY:
|
||
return gfxPlatformGtk::GetPlatform()->GetCompositorDisplay();
|
||
#endif // MOZ_X11
|
||
case NS_NATIVE_EGL_WINDOW: {
|
||
if (mIsX11Display)
|
||
return mGdkWindow ? (void*)GDK_WINDOW_XID(mGdkWindow) : nullptr;
|
||
#ifdef MOZ_WAYLAND
|
||
if (mContainer)
|
||
return moz_container_get_wl_egl_window(mContainer);
|
||
#endif
|
||
return nullptr;
|
||
}
|
||
default:
|
||
NS_WARNING("nsWindow::GetNativeData called with bad value");
|
||
return nullptr;
|
||
}
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::SetTitle(const nsAString& aTitle)
|
||
{
|
||
if (!mShell)
|
||
return NS_OK;
|
||
|
||
// convert the string into utf8 and set the title.
|
||
#define UTF8_FOLLOWBYTE(ch) (((ch) & 0xC0) == 0x80)
|
||
NS_ConvertUTF16toUTF8 titleUTF8(aTitle);
|
||
if (titleUTF8.Length() > NS_WINDOW_TITLE_MAX_LENGTH) {
|
||
// Truncate overlong titles (bug 167315). Make sure we chop after a
|
||
// complete sequence by making sure the next char isn't a follow-byte.
|
||
uint32_t len = NS_WINDOW_TITLE_MAX_LENGTH;
|
||
while(UTF8_FOLLOWBYTE(titleUTF8[len]))
|
||
--len;
|
||
titleUTF8.Truncate(len);
|
||
}
|
||
gtk_window_set_title(GTK_WINDOW(mShell), (const char *)titleUTF8.get());
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
void
|
||
nsWindow::SetIcon(const nsAString& aIconSpec)
|
||
{
|
||
if (!mShell)
|
||
return;
|
||
|
||
nsAutoCString iconName;
|
||
|
||
if (aIconSpec.EqualsLiteral("default")) {
|
||
nsAutoString brandName;
|
||
WidgetUtils::GetBrandShortName(brandName);
|
||
if (brandName.IsEmpty()) {
|
||
brandName.AssignLiteral(u"Mozilla");
|
||
}
|
||
AppendUTF16toUTF8(brandName, iconName);
|
||
ToLowerCase(iconName);
|
||
} else {
|
||
AppendUTF16toUTF8(aIconSpec, iconName);
|
||
}
|
||
|
||
nsCOMPtr<nsIFile> iconFile;
|
||
nsAutoCString path;
|
||
|
||
gint *iconSizes =
|
||
gtk_icon_theme_get_icon_sizes(gtk_icon_theme_get_default(),
|
||
iconName.get());
|
||
bool foundIcon = (iconSizes[0] != 0);
|
||
g_free(iconSizes);
|
||
|
||
if (!foundIcon) {
|
||
// Look for icons with the following suffixes appended to the base name
|
||
// The last two entries (for the old XPM format) will be ignored unless
|
||
// no icons are found using other suffixes. XPM icons are deprecated.
|
||
|
||
const char16_t extensions[9][8] = { u".png", u"16.png", u"32.png",
|
||
u"48.png", u"64.png", u"128.png",
|
||
u"256.png",
|
||
u".xpm", u"16.xpm" };
|
||
|
||
for (uint32_t i = 0; i < ArrayLength(extensions); i++) {
|
||
// Don't bother looking for XPM versions if we found a PNG.
|
||
if (i == ArrayLength(extensions) - 2 && foundIcon)
|
||
break;
|
||
|
||
ResolveIconName(aIconSpec, nsDependentString(extensions[i]),
|
||
getter_AddRefs(iconFile));
|
||
if (iconFile) {
|
||
iconFile->GetNativePath(path);
|
||
GdkPixbuf *icon = gdk_pixbuf_new_from_file(path.get(), nullptr);
|
||
if (icon) {
|
||
gtk_icon_theme_add_builtin_icon(iconName.get(),
|
||
gdk_pixbuf_get_height(icon),
|
||
icon);
|
||
g_object_unref(icon);
|
||
foundIcon = true;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// leave the default icon intact if no matching icons were found
|
||
if (foundIcon) {
|
||
gtk_window_set_icon_name(GTK_WINDOW(mShell), iconName.get());
|
||
}
|
||
}
|
||
|
||
|
||
LayoutDeviceIntPoint
|
||
nsWindow::WidgetToScreenOffset()
|
||
{
|
||
gint x = 0, y = 0;
|
||
|
||
if (mGdkWindow) {
|
||
gdk_window_get_origin(mGdkWindow, &x, &y);
|
||
}
|
||
|
||
return GdkPointToDevicePixels({ x, y });
|
||
}
|
||
|
||
void
|
||
nsWindow::CaptureMouse(bool aCapture)
|
||
{
|
||
LOG(("CaptureMouse %p\n", (void *)this));
|
||
|
||
if (!mGdkWindow)
|
||
return;
|
||
|
||
if (!mContainer)
|
||
return;
|
||
|
||
if (aCapture) {
|
||
gtk_grab_add(GTK_WIDGET(mContainer));
|
||
GrabPointer(GetLastUserInputTime());
|
||
}
|
||
else {
|
||
ReleaseGrabs();
|
||
gtk_grab_remove(GTK_WIDGET(mContainer));
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::CaptureRollupEvents(nsIRollupListener *aListener,
|
||
bool aDoCapture)
|
||
{
|
||
if (!mGdkWindow)
|
||
return;
|
||
|
||
if (!mContainer)
|
||
return;
|
||
|
||
LOG(("CaptureRollupEvents %p %i\n", this, int(aDoCapture)));
|
||
|
||
if (aDoCapture) {
|
||
gRollupListener = aListener;
|
||
// Don't add a grab if a drag is in progress, or if the widget is a drag
|
||
// feedback popup. (panels with type="drag").
|
||
if (!mIsDragPopup && !nsWindow::DragInProgress()) {
|
||
gtk_grab_add(GTK_WIDGET(mContainer));
|
||
GrabPointer(GetLastUserInputTime());
|
||
}
|
||
}
|
||
else {
|
||
if (!nsWindow::DragInProgress()) {
|
||
ReleaseGrabs();
|
||
}
|
||
// There may not have been a drag in process when aDoCapture was set,
|
||
// so make sure to remove any added grab. This is a no-op if the grab
|
||
// was not added to this widget.
|
||
gtk_grab_remove(GTK_WIDGET(mContainer));
|
||
gRollupListener = nullptr;
|
||
}
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::GetAttention(int32_t aCycleCount)
|
||
{
|
||
LOG(("nsWindow::GetAttention [%p]\n", (void *)this));
|
||
|
||
GtkWidget* top_window = GetToplevelWidget();
|
||
GtkWidget* top_focused_window =
|
||
gFocusWindow ? gFocusWindow->GetToplevelWidget() : nullptr;
|
||
|
||
// Don't get attention if the window is focused anyway.
|
||
if (top_window && (gtk_widget_get_visible(top_window)) &&
|
||
top_window != top_focused_window) {
|
||
SetUrgencyHint(top_window, true);
|
||
}
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
bool
|
||
nsWindow::HasPendingInputEvent()
|
||
{
|
||
// This sucks, but gtk/gdk has no way to answer the question we want while
|
||
// excluding paint events, and there's no X API that will let us peek
|
||
// without blocking or removing. To prevent event reordering, peek
|
||
// anything except expose events. Reordering expose and others should be
|
||
// ok, hopefully.
|
||
bool haveEvent = false;
|
||
#ifdef MOZ_X11
|
||
XEvent ev;
|
||
if (mIsX11Display) {
|
||
Display *display = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
|
||
haveEvent =
|
||
XCheckMaskEvent(display,
|
||
KeyPressMask | KeyReleaseMask | ButtonPressMask |
|
||
ButtonReleaseMask | EnterWindowMask | LeaveWindowMask |
|
||
PointerMotionMask | PointerMotionHintMask |
|
||
Button1MotionMask | Button2MotionMask |
|
||
Button3MotionMask | Button4MotionMask |
|
||
Button5MotionMask | ButtonMotionMask | KeymapStateMask |
|
||
VisibilityChangeMask | StructureNotifyMask |
|
||
ResizeRedirectMask | SubstructureNotifyMask |
|
||
SubstructureRedirectMask | FocusChangeMask |
|
||
PropertyChangeMask | ColormapChangeMask |
|
||
OwnerGrabButtonMask, &ev);
|
||
if (haveEvent) {
|
||
XPutBackEvent(display, &ev);
|
||
}
|
||
}
|
||
#endif
|
||
return haveEvent;
|
||
}
|
||
|
||
#if 0
|
||
#ifdef DEBUG
|
||
// Paint flashing code (disabled for cairo - see below)
|
||
|
||
#define CAPS_LOCK_IS_ON \
|
||
(KeymapWrapper::AreModifiersCurrentlyActive(KeymapWrapper::CAPS_LOCK))
|
||
|
||
#define WANT_PAINT_FLASHING \
|
||
(debug_WantPaintFlashing() && CAPS_LOCK_IS_ON)
|
||
|
||
#ifdef MOZ_X11
|
||
static void
|
||
gdk_window_flash(GdkWindow * aGdkWindow,
|
||
unsigned int aTimes,
|
||
unsigned int aInterval, // Milliseconds
|
||
GdkRegion * aRegion)
|
||
{
|
||
gint x;
|
||
gint y;
|
||
gint width;
|
||
gint height;
|
||
guint i;
|
||
GdkGC * gc = 0;
|
||
GdkColor white;
|
||
|
||
gdk_window_get_geometry(aGdkWindow,nullptr,nullptr,&width,&height);
|
||
|
||
gdk_window_get_origin (aGdkWindow,
|
||
&x,
|
||
&y);
|
||
|
||
gc = gdk_gc_new(gdk_get_default_root_window());
|
||
|
||
white.pixel = WhitePixel(gdk_display,DefaultScreen(gdk_display));
|
||
|
||
gdk_gc_set_foreground(gc,&white);
|
||
gdk_gc_set_function(gc,GDK_XOR);
|
||
gdk_gc_set_subwindow(gc,GDK_INCLUDE_INFERIORS);
|
||
|
||
gdk_region_offset(aRegion, x, y);
|
||
gdk_gc_set_clip_region(gc, aRegion);
|
||
|
||
/*
|
||
* Need to do this twice so that the XOR effect can replace
|
||
* the original window contents.
|
||
*/
|
||
for (i = 0; i < aTimes * 2; i++)
|
||
{
|
||
gdk_draw_rectangle(gdk_get_default_root_window(),
|
||
gc,
|
||
TRUE,
|
||
x,
|
||
y,
|
||
width,
|
||
height);
|
||
|
||
gdk_flush();
|
||
|
||
PR_Sleep(PR_MillisecondsToInterval(aInterval));
|
||
}
|
||
|
||
gdk_gc_destroy(gc);
|
||
|
||
gdk_region_offset(aRegion, -x, -y);
|
||
}
|
||
#endif /* MOZ_X11 */
|
||
#endif // DEBUG
|
||
#endif
|
||
|
||
# ifdef cairo_copy_clip_rectangle_list
|
||
# error "Looks like we're including Mozilla's cairo instead of system cairo"
|
||
# endif
|
||
static bool
|
||
ExtractExposeRegion(LayoutDeviceIntRegion& aRegion, cairo_t* cr)
|
||
{
|
||
cairo_rectangle_list_t* rects = cairo_copy_clip_rectangle_list(cr);
|
||
if (rects->status != CAIRO_STATUS_SUCCESS) {
|
||
NS_WARNING("Failed to obtain cairo rectangle list.");
|
||
return false;
|
||
}
|
||
|
||
for (int i = 0; i < rects->num_rectangles; i++) {
|
||
const cairo_rectangle_t& r = rects->rectangles[i];
|
||
aRegion.Or(aRegion, LayoutDeviceIntRect::Truncate(r.x, r.y, r.width, r.height));
|
||
LOGDRAW(("\t%f %f %f %f\n", r.x, r.y, r.width, r.height));
|
||
}
|
||
|
||
cairo_rectangle_list_destroy(rects);
|
||
return true;
|
||
}
|
||
|
||
gboolean
|
||
nsWindow::OnExposeEvent(cairo_t *cr)
|
||
{
|
||
// Send any pending resize events so that layout can update.
|
||
// May run event loop.
|
||
MaybeDispatchResized();
|
||
|
||
if (mIsDestroyed) {
|
||
return FALSE;
|
||
}
|
||
|
||
// Windows that are not visible will be painted after they become visible.
|
||
if (!mGdkWindow || mIsFullyObscured || !mHasMappedToplevel)
|
||
return FALSE;
|
||
|
||
#ifdef MOZ_WAYLAND
|
||
// Window does not have visible wl_surface yet.
|
||
if (!mIsX11Display && !GetWaylandSurface())
|
||
return FALSE;
|
||
#endif
|
||
|
||
nsIWidgetListener *listener = GetListener();
|
||
if (!listener)
|
||
return FALSE;
|
||
|
||
LayoutDeviceIntRegion exposeRegion;
|
||
if (!ExtractExposeRegion(exposeRegion, cr)) {
|
||
return FALSE;
|
||
}
|
||
|
||
gint scale = GdkScaleFactor();
|
||
LayoutDeviceIntRegion region = exposeRegion;
|
||
region.ScaleRoundOut(scale, scale);
|
||
|
||
if (GetLayerManager()->AsKnowsCompositor() && mCompositorSession) {
|
||
// We need to paint to the screen even if nothing changed, since if we
|
||
// don't have a compositing window manager, our pixels could be stale.
|
||
GetLayerManager()->SetNeedsComposite(true);
|
||
GetLayerManager()->SendInvalidRegion(region.ToUnknownRegion());
|
||
}
|
||
|
||
RefPtr<nsWindow> strongThis(this);
|
||
|
||
// Dispatch WillPaintWindow notification to allow scripts etc. to run
|
||
// before we paint
|
||
{
|
||
listener->WillPaintWindow(this);
|
||
|
||
// If the window has been destroyed during the will paint notification,
|
||
// there is nothing left to do.
|
||
if (!mGdkWindow)
|
||
return TRUE;
|
||
|
||
// Re-get the listener since the will paint notification might have
|
||
// killed it.
|
||
listener = GetListener();
|
||
if (!listener)
|
||
return FALSE;
|
||
}
|
||
|
||
if (GetLayerManager()->AsKnowsCompositor() && GetLayerManager()->NeedsComposite()) {
|
||
GetLayerManager()->ScheduleComposite();
|
||
GetLayerManager()->SetNeedsComposite(false);
|
||
}
|
||
|
||
LOGDRAW(("sending expose event [%p] %p 0x%lx (rects follow):\n",
|
||
(void *)this, (void *)mGdkWindow,
|
||
mIsX11Display ? gdk_x11_window_get_xid(mGdkWindow) : 0));
|
||
|
||
// Our bounds may have changed after calling WillPaintWindow. Clip
|
||
// to the new bounds here. The region is relative to this
|
||
// window.
|
||
region.And(region, LayoutDeviceIntRect(0, 0, mBounds.width, mBounds.height));
|
||
|
||
bool shaped = false;
|
||
if (eTransparencyTransparent == GetTransparencyMode()) {
|
||
GdkScreen *screen = gdk_window_get_screen(mGdkWindow);
|
||
if (gdk_screen_is_composited(screen) &&
|
||
gdk_window_get_visual(mGdkWindow) ==
|
||
gdk_screen_get_rgba_visual(screen)) {
|
||
// Remove possible shape mask from when window manger was not
|
||
// previously compositing.
|
||
static_cast<nsWindow*>(GetTopLevelWidget())->
|
||
ClearTransparencyBitmap();
|
||
} else {
|
||
shaped = true;
|
||
}
|
||
}
|
||
|
||
if (!shaped) {
|
||
GList *children =
|
||
gdk_window_peek_children(mGdkWindow);
|
||
while (children) {
|
||
GdkWindow *gdkWin = GDK_WINDOW(children->data);
|
||
nsWindow *kid = get_window_for_gdk_window(gdkWin);
|
||
if (kid && gdk_window_is_visible(gdkWin)) {
|
||
AutoTArray<LayoutDeviceIntRect,1> clipRects;
|
||
kid->GetWindowClipRegion(&clipRects);
|
||
LayoutDeviceIntRect bounds = kid->GetBounds();
|
||
for (uint32_t i = 0; i < clipRects.Length(); ++i) {
|
||
LayoutDeviceIntRect r = clipRects[i] + bounds.TopLeft();
|
||
region.Sub(region, r);
|
||
}
|
||
}
|
||
children = children->next;
|
||
}
|
||
}
|
||
|
||
if (region.IsEmpty()) {
|
||
return TRUE;
|
||
}
|
||
|
||
// If this widget uses OMTC...
|
||
if (GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_CLIENT ||
|
||
GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_WR) {
|
||
listener->PaintWindow(this, region);
|
||
|
||
// Re-get the listener since the will paint notification might have
|
||
// killed it.
|
||
listener = GetListener();
|
||
if (!listener)
|
||
return TRUE;
|
||
|
||
listener->DidPaintWindow();
|
||
return TRUE;
|
||
}
|
||
|
||
BufferMode layerBuffering = BufferMode::BUFFERED;
|
||
RefPtr<DrawTarget> dt = StartRemoteDrawingInRegion(region, &layerBuffering);
|
||
if (!dt || !dt->IsValid()) {
|
||
return FALSE;
|
||
}
|
||
RefPtr<gfxContext> ctx;
|
||
IntRect boundsRect = region.GetBounds().ToUnknownRect();
|
||
IntPoint offset(0, 0);
|
||
if (dt->GetSize() == boundsRect.Size()) {
|
||
offset = boundsRect.TopLeft();
|
||
dt->SetTransform(Matrix::Translation(-offset));
|
||
}
|
||
|
||
#ifdef MOZ_X11
|
||
if (shaped) {
|
||
// Collapse update area to the bounding box. This is so we only have to
|
||
// call UpdateTranslucentWindowAlpha once. After we have dropped
|
||
// support for non-Thebes graphics, UpdateTranslucentWindowAlpha will be
|
||
// our private interface so we can rework things to avoid this.
|
||
dt->PushClipRect(Rect(boundsRect));
|
||
|
||
// The double buffering is done here to extract the shape mask.
|
||
// (The shape mask won't be necessary when a visual with an alpha
|
||
// channel is used on compositing window managers.)
|
||
layerBuffering = BufferMode::BUFFER_NONE;
|
||
RefPtr<DrawTarget> destDT = dt->CreateSimilarDrawTarget(boundsRect.Size(), SurfaceFormat::B8G8R8A8);
|
||
if (!destDT || !destDT->IsValid()) {
|
||
return FALSE;
|
||
}
|
||
destDT->SetTransform(Matrix::Translation(-boundsRect.TopLeft()));
|
||
ctx = gfxContext::CreatePreservingTransformOrNull(destDT);
|
||
} else {
|
||
gfxUtils::ClipToRegion(dt, region.ToUnknownRegion());
|
||
ctx = gfxContext::CreatePreservingTransformOrNull(dt);
|
||
}
|
||
MOZ_ASSERT(ctx); // checked both dt and destDT valid draw target above
|
||
|
||
#if 0
|
||
// NOTE: Paint flashing region would be wrong for cairo, since
|
||
// cairo inflates the update region, etc. So don't paint flash
|
||
// for cairo.
|
||
#ifdef DEBUG
|
||
// XXX aEvent->region may refer to a newly-invalid area. FIXME
|
||
if (0 && WANT_PAINT_FLASHING && gtk_widget_get_window(aEvent))
|
||
gdk_window_flash(mGdkWindow, 1, 100, aEvent->region);
|
||
#endif
|
||
#endif
|
||
|
||
#endif // MOZ_X11
|
||
|
||
bool painted = false;
|
||
{
|
||
if (GetLayerManager()->GetBackendType() == LayersBackend::LAYERS_BASIC) {
|
||
GdkScreen *screen = gdk_window_get_screen(mGdkWindow);
|
||
if (GetTransparencyMode() == eTransparencyTransparent &&
|
||
layerBuffering == BufferMode::BUFFER_NONE &&
|
||
gdk_screen_is_composited(screen) &&
|
||
gdk_window_get_visual(mGdkWindow) ==
|
||
gdk_screen_get_rgba_visual(screen)) {
|
||
// If our draw target is unbuffered and we use an alpha channel,
|
||
// clear the image beforehand to ensure we don't get artifacts from a
|
||
// reused SHM image. See bug 1258086.
|
||
dt->ClearRect(Rect(boundsRect));
|
||
}
|
||
AutoLayerManagerSetup setupLayerManager(this, ctx, layerBuffering);
|
||
painted = listener->PaintWindow(this, region);
|
||
|
||
// Re-get the listener since the will paint notification might have
|
||
// killed it.
|
||
listener = GetListener();
|
||
if (!listener)
|
||
return TRUE;
|
||
|
||
}
|
||
}
|
||
|
||
#ifdef MOZ_X11
|
||
// PaintWindow can Destroy us (bug 378273), avoid doing any paint
|
||
// operations below if that happened - it will lead to XError and exit().
|
||
if (shaped) {
|
||
if (MOZ_LIKELY(!mIsDestroyed)) {
|
||
if (painted) {
|
||
RefPtr<SourceSurface> surf = ctx->GetDrawTarget()->Snapshot();
|
||
|
||
UpdateAlpha(surf, boundsRect);
|
||
|
||
dt->DrawSurface(surf, Rect(boundsRect), Rect(0, 0, boundsRect.width, boundsRect.height),
|
||
DrawSurfaceOptions(SamplingFilter::POINT),
|
||
DrawOptions(1.0f, CompositionOp::OP_SOURCE));
|
||
}
|
||
}
|
||
}
|
||
|
||
ctx = nullptr;
|
||
dt->PopClip();
|
||
|
||
#endif // MOZ_X11
|
||
|
||
EndRemoteDrawingInRegion(dt, region);
|
||
|
||
listener->DidPaintWindow();
|
||
|
||
// Synchronously flush any new dirty areas
|
||
cairo_region_t* dirtyArea = gdk_window_get_update_area(mGdkWindow);
|
||
|
||
if (dirtyArea) {
|
||
gdk_window_invalidate_region(mGdkWindow, dirtyArea, false);
|
||
cairo_region_destroy(dirtyArea);
|
||
gdk_window_process_updates(mGdkWindow, false);
|
||
}
|
||
|
||
// check the return value!
|
||
return TRUE;
|
||
}
|
||
|
||
void
|
||
nsWindow::UpdateAlpha(SourceSurface* aSourceSurface, nsIntRect aBoundsRect)
|
||
{
|
||
// We need to create our own buffer to force the stride to match the
|
||
// expected stride.
|
||
int32_t stride = GetAlignedStride<4>(aBoundsRect.width,
|
||
BytesPerPixel(SurfaceFormat::A8));
|
||
if (stride == 0) {
|
||
return;
|
||
}
|
||
int32_t bufferSize = stride * aBoundsRect.height;
|
||
auto imageBuffer = MakeUniqueFallible<uint8_t[]>(bufferSize);
|
||
{
|
||
RefPtr<DrawTarget> drawTarget = gfxPlatform::CreateDrawTargetForData(
|
||
imageBuffer.get(),
|
||
aBoundsRect.Size(),
|
||
stride, SurfaceFormat::A8);
|
||
|
||
if (drawTarget) {
|
||
drawTarget->DrawSurface(aSourceSurface, Rect(0, 0, aBoundsRect.width, aBoundsRect.height),
|
||
Rect(0, 0, aSourceSurface->GetSize().width, aSourceSurface->GetSize().height),
|
||
DrawSurfaceOptions(SamplingFilter::POINT),
|
||
DrawOptions(1.0f, CompositionOp::OP_SOURCE));
|
||
}
|
||
}
|
||
UpdateTranslucentWindowAlphaInternal(aBoundsRect, imageBuffer.get(), stride);
|
||
}
|
||
|
||
gboolean
|
||
nsWindow::OnConfigureEvent(GtkWidget *aWidget, GdkEventConfigure *aEvent)
|
||
{
|
||
// These events are only received on toplevel windows.
|
||
//
|
||
// GDK ensures that the coordinates are the client window top-left wrt the
|
||
// root window.
|
||
//
|
||
// GDK calculates the cordinates for real ConfigureNotify events on
|
||
// managed windows (that would normally be relative to the parent
|
||
// window).
|
||
//
|
||
// Synthetic ConfigureNotify events are from the window manager and
|
||
// already relative to the root window. GDK creates all X windows with
|
||
// border_width = 0, so synthetic events also indicate the top-left of
|
||
// the client window.
|
||
//
|
||
// Override-redirect windows are children of the root window so parent
|
||
// coordinates are root coordinates.
|
||
|
||
LOG(("configure event [%p] %d %d %d %d\n", (void *)this,
|
||
aEvent->x, aEvent->y, aEvent->width, aEvent->height));
|
||
|
||
if (mPendingConfigures > 0) {
|
||
mPendingConfigures--;
|
||
}
|
||
|
||
LayoutDeviceIntRect screenBounds = GetScreenBounds();
|
||
|
||
if (mWindowType == eWindowType_toplevel || mWindowType == eWindowType_dialog) {
|
||
// This check avoids unwanted rollup on spurious configure events from
|
||
// Cygwin/X (bug 672103).
|
||
if (mBounds.x != screenBounds.x ||
|
||
mBounds.y != screenBounds.y) {
|
||
CheckForRollup(0, 0, false, true);
|
||
}
|
||
}
|
||
|
||
// This event indicates that the window position may have changed.
|
||
// mBounds.Size() is updated in OnSizeAllocate().
|
||
|
||
NS_ASSERTION(GTK_IS_WINDOW(aWidget),
|
||
"Configure event on widget that is not a GtkWindow");
|
||
if (gtk_window_get_window_type(GTK_WINDOW(aWidget)) == GTK_WINDOW_POPUP) {
|
||
// Override-redirect window
|
||
//
|
||
// These windows should not be moved by the window manager, and so any
|
||
// change in position is a result of our direction. mBounds has
|
||
// already been set in std::move() or Resize(), and that is more
|
||
// up-to-date than the position in the ConfigureNotify event if the
|
||
// event is from an earlier window move.
|
||
//
|
||
// Skipping the WindowMoved call saves context menus from an infinite
|
||
// loop when nsXULPopupManager::PopupMoved moves the window to the new
|
||
// position and nsMenuPopupFrame::SetPopupPosition adds
|
||
// offsetForContextMenu on each iteration.
|
||
return FALSE;
|
||
}
|
||
|
||
mBounds.MoveTo(screenBounds.TopLeft());
|
||
|
||
// XXX mozilla will invalidate the entire window after this move
|
||
// complete. wtf?
|
||
NotifyWindowMoved(mBounds.x, mBounds.y);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
void
|
||
nsWindow::OnContainerUnrealize()
|
||
{
|
||
// The GdkWindows are about to be destroyed (but not deleted), so remove
|
||
// their references back to their container widget while the GdkWindow
|
||
// hierarchy is still available.
|
||
|
||
if (mGdkWindow) {
|
||
DestroyChildWindows();
|
||
|
||
g_object_set_data(G_OBJECT(mGdkWindow), "nsWindow", nullptr);
|
||
mGdkWindow = nullptr;
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::OnSizeAllocate(GtkAllocation *aAllocation)
|
||
{
|
||
LOG(("size_allocate [%p] %d %d %d %d\n",
|
||
(void *)this, aAllocation->x, aAllocation->y,
|
||
aAllocation->width, aAllocation->height));
|
||
|
||
LayoutDeviceIntSize size = GdkRectToDevicePixels(*aAllocation).Size();
|
||
|
||
if (mBounds.Size() == size)
|
||
return;
|
||
|
||
// Invalidate the new part of the window now for the pending paint to
|
||
// minimize background flashes (GDK does not do this for external resizes
|
||
// of toplevels.)
|
||
if (mBounds.width < size.width) {
|
||
GdkRectangle rect = DevicePixelsToGdkRectRoundOut(
|
||
LayoutDeviceIntRect(mBounds.width, 0,
|
||
size.width - mBounds.width, size.height));
|
||
gdk_window_invalidate_rect(mGdkWindow, &rect, FALSE);
|
||
}
|
||
if (mBounds.height < size.height) {
|
||
GdkRectangle rect = DevicePixelsToGdkRectRoundOut(
|
||
LayoutDeviceIntRect(0, mBounds.height,
|
||
size.width, size.height - mBounds.height));
|
||
gdk_window_invalidate_rect(mGdkWindow, &rect, FALSE);
|
||
}
|
||
|
||
mBounds.SizeTo(size);
|
||
|
||
#ifdef MOZ_X11
|
||
// Notify the GtkCompositorWidget of a ClientSizeChange
|
||
if (mCompositorWidgetDelegate) {
|
||
mCompositorWidgetDelegate->NotifyClientSizeChanged(GetClientSize());
|
||
}
|
||
#endif
|
||
|
||
// Gecko permits running nested event loops during processing of events,
|
||
// GtkWindow callers of gtk_widget_size_allocate expect the signal
|
||
// handlers to return sometime in the near future.
|
||
mNeedsDispatchResized = true;
|
||
NS_DispatchToCurrentThread(NewRunnableMethod(
|
||
"nsWindow::MaybeDispatchResized", this, &nsWindow::MaybeDispatchResized));
|
||
}
|
||
|
||
void
|
||
nsWindow::OnDeleteEvent()
|
||
{
|
||
if (mWidgetListener)
|
||
mWidgetListener->RequestWindowClose(this);
|
||
}
|
||
|
||
void
|
||
nsWindow::OnEnterNotifyEvent(GdkEventCrossing *aEvent)
|
||
{
|
||
// This skips NotifyVirtual and NotifyNonlinearVirtual enter notify events
|
||
// when the pointer enters a child window. If the destination window is a
|
||
// Gecko window then we'll catch the corresponding event on that window,
|
||
// but we won't notice when the pointer directly enters a foreign (plugin)
|
||
// child window without passing over a visible portion of a Gecko window.
|
||
if (aEvent->subwindow != nullptr)
|
||
return;
|
||
|
||
// Check before is_parent_ungrab_enter() as the button state may have
|
||
// changed while a non-Gecko ancestor window had a pointer grab.
|
||
DispatchMissedButtonReleases(aEvent);
|
||
|
||
if (is_parent_ungrab_enter(aEvent))
|
||
return;
|
||
|
||
WidgetMouseEvent event(true, eMouseEnterIntoWidget, this,
|
||
WidgetMouseEvent::eReal);
|
||
|
||
event.mRefPoint = GdkEventCoordsToDevicePixels(aEvent->x, aEvent->y);
|
||
event.AssignEventTime(GetWidgetEventTime(aEvent->time));
|
||
|
||
LOG(("OnEnterNotify: %p\n", (void *)this));
|
||
|
||
DispatchInputEvent(&event);
|
||
}
|
||
|
||
// XXX Is this the right test for embedding cases?
|
||
static bool
|
||
is_top_level_mouse_exit(GdkWindow* aWindow, GdkEventCrossing *aEvent)
|
||
{
|
||
auto x = gint(aEvent->x_root);
|
||
auto y = gint(aEvent->y_root);
|
||
GdkDisplay* display = gdk_window_get_display(aWindow);
|
||
GdkWindow* winAtPt = gdk_display_get_window_at_pointer(display, &x, &y);
|
||
if (!winAtPt)
|
||
return true;
|
||
GdkWindow* topLevelAtPt = gdk_window_get_toplevel(winAtPt);
|
||
GdkWindow* topLevelWidget = gdk_window_get_toplevel(aWindow);
|
||
return topLevelAtPt != topLevelWidget;
|
||
}
|
||
|
||
void
|
||
nsWindow::OnLeaveNotifyEvent(GdkEventCrossing *aEvent)
|
||
{
|
||
// This ignores NotifyVirtual and NotifyNonlinearVirtual leave notify
|
||
// events when the pointer leaves a child window. If the destination
|
||
// window is a Gecko window then we'll catch the corresponding event on
|
||
// that window.
|
||
//
|
||
// XXXkt However, we will miss toplevel exits when the pointer directly
|
||
// leaves a foreign (plugin) child window without passing over a visible
|
||
// portion of a Gecko window.
|
||
if (aEvent->subwindow != nullptr)
|
||
return;
|
||
|
||
WidgetMouseEvent event(true, eMouseExitFromWidget, this,
|
||
WidgetMouseEvent::eReal);
|
||
|
||
event.mRefPoint = GdkEventCoordsToDevicePixels(aEvent->x, aEvent->y);
|
||
event.AssignEventTime(GetWidgetEventTime(aEvent->time));
|
||
|
||
event.mExitFrom = is_top_level_mouse_exit(mGdkWindow, aEvent)
|
||
? WidgetMouseEvent::eTopLevel : WidgetMouseEvent::eChild;
|
||
|
||
LOG(("OnLeaveNotify: %p\n", (void *)this));
|
||
|
||
DispatchInputEvent(&event);
|
||
}
|
||
|
||
template <typename Event> static LayoutDeviceIntPoint
|
||
GetRefPoint(nsWindow* aWindow, Event* aEvent)
|
||
{
|
||
if (aEvent->window == aWindow->GetGdkWindow()) {
|
||
// we are the window that the event happened on so no need for expensive WidgetToScreenOffset
|
||
return aWindow->GdkEventCoordsToDevicePixels(aEvent->x, aEvent->y);
|
||
}
|
||
// XXX we're never quite sure which GdkWindow the event came from due to our custom bubbling
|
||
// in scroll_event_cb(), so use ScreenToWidget to translate the screen root coordinates into
|
||
// coordinates relative to this widget.
|
||
return aWindow->GdkEventCoordsToDevicePixels(
|
||
aEvent->x_root, aEvent->y_root) - aWindow->WidgetToScreenOffset();
|
||
}
|
||
|
||
void
|
||
nsWindow::OnMotionNotifyEvent(GdkEventMotion *aEvent)
|
||
{
|
||
// see if we can compress this event
|
||
// XXXldb Why skip every other motion event when we have multiple,
|
||
// but not more than that?
|
||
bool synthEvent = false;
|
||
#ifdef MOZ_X11
|
||
XEvent xevent;
|
||
|
||
if (mIsX11Display) {
|
||
while (XPending (GDK_WINDOW_XDISPLAY(aEvent->window))) {
|
||
XEvent peeked;
|
||
XPeekEvent (GDK_WINDOW_XDISPLAY(aEvent->window), &peeked);
|
||
if (peeked.xany.window != gdk_x11_window_get_xid(aEvent->window)
|
||
|| peeked.type != MotionNotify)
|
||
break;
|
||
|
||
synthEvent = true;
|
||
XNextEvent (GDK_WINDOW_XDISPLAY(aEvent->window), &xevent);
|
||
}
|
||
}
|
||
#endif /* MOZ_X11 */
|
||
|
||
WidgetMouseEvent event(true, eMouseMove, this, WidgetMouseEvent::eReal);
|
||
|
||
gdouble pressure = 0;
|
||
gdk_event_get_axis ((GdkEvent*)aEvent, GDK_AXIS_PRESSURE, &pressure);
|
||
// Sometime gdk generate 0 pressure value between normal values
|
||
// We have to ignore that and use last valid value
|
||
if (pressure)
|
||
mLastMotionPressure = pressure;
|
||
event.pressure = mLastMotionPressure;
|
||
|
||
guint modifierState;
|
||
if (synthEvent) {
|
||
#ifdef MOZ_X11
|
||
event.mRefPoint.x = nscoord(xevent.xmotion.x);
|
||
event.mRefPoint.y = nscoord(xevent.xmotion.y);
|
||
|
||
modifierState = xevent.xmotion.state;
|
||
|
||
event.AssignEventTime(GetWidgetEventTime(xevent.xmotion.time));
|
||
#else
|
||
event.mRefPoint = GdkEventCoordsToDevicePixels(aEvent->x, aEvent->y);
|
||
|
||
modifierState = aEvent->state;
|
||
|
||
event.AssignEventTime(GetWidgetEventTime(aEvent->time));
|
||
#endif /* MOZ_X11 */
|
||
} else {
|
||
event.mRefPoint = GetRefPoint(this, aEvent);
|
||
|
||
modifierState = aEvent->state;
|
||
|
||
event.AssignEventTime(GetWidgetEventTime(aEvent->time));
|
||
}
|
||
|
||
KeymapWrapper::InitInputEvent(event, modifierState);
|
||
|
||
DispatchInputEvent(&event);
|
||
}
|
||
|
||
// If the automatic pointer grab on ButtonPress has deactivated before
|
||
// ButtonRelease, and the mouse button is released while the pointer is not
|
||
// over any a Gecko window, then the ButtonRelease event will not be received.
|
||
// (A similar situation exists when the pointer is grabbed with owner_events
|
||
// True as the ButtonRelease may be received on a foreign [plugin] window).
|
||
// Use this method to check for released buttons when the pointer returns to a
|
||
// Gecko window.
|
||
void
|
||
nsWindow::DispatchMissedButtonReleases(GdkEventCrossing *aGdkEvent)
|
||
{
|
||
guint changed = aGdkEvent->state ^ gButtonState;
|
||
// Only consider button releases.
|
||
// (Ignore button presses that occurred outside Gecko.)
|
||
guint released = changed & gButtonState;
|
||
gButtonState = aGdkEvent->state;
|
||
|
||
// Loop over each button, excluding mouse wheel buttons 4 and 5 for which
|
||
// GDK ignores releases.
|
||
for (guint buttonMask = GDK_BUTTON1_MASK;
|
||
buttonMask <= GDK_BUTTON3_MASK;
|
||
buttonMask <<= 1) {
|
||
|
||
if (released & buttonMask) {
|
||
int16_t buttonType;
|
||
switch (buttonMask) {
|
||
case GDK_BUTTON1_MASK:
|
||
buttonType = WidgetMouseEvent::eLeftButton;
|
||
break;
|
||
case GDK_BUTTON2_MASK:
|
||
buttonType = WidgetMouseEvent::eMiddleButton;
|
||
break;
|
||
default:
|
||
NS_ASSERTION(buttonMask == GDK_BUTTON3_MASK,
|
||
"Unexpected button mask");
|
||
buttonType = WidgetMouseEvent::eRightButton;
|
||
}
|
||
|
||
LOG(("Synthesized button %u release on %p\n",
|
||
guint(buttonType + 1), (void *)this));
|
||
|
||
// Dispatch a synthesized button up event to tell Gecko about the
|
||
// change in state. This event is marked as synthesized so that
|
||
// it is not dispatched as a DOM event, because we don't know the
|
||
// position, widget, modifiers, or time/order.
|
||
WidgetMouseEvent synthEvent(true, eMouseUp, this,
|
||
WidgetMouseEvent::eSynthesized);
|
||
synthEvent.button = buttonType;
|
||
DispatchInputEvent(&synthEvent);
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::InitButtonEvent(WidgetMouseEvent& aEvent,
|
||
GdkEventButton* aGdkEvent)
|
||
{
|
||
aEvent.mRefPoint = GetRefPoint(this, aGdkEvent);
|
||
|
||
guint modifierState = aGdkEvent->state;
|
||
// aEvent's state includes the button state from immediately before this
|
||
// event. If aEvent is a mousedown or mouseup event, we need to update
|
||
// the button state.
|
||
guint buttonMask = 0;
|
||
switch (aGdkEvent->button) {
|
||
case 1:
|
||
buttonMask = GDK_BUTTON1_MASK;
|
||
break;
|
||
case 2:
|
||
buttonMask = GDK_BUTTON2_MASK;
|
||
break;
|
||
case 3:
|
||
buttonMask = GDK_BUTTON3_MASK;
|
||
break;
|
||
}
|
||
if (aGdkEvent->type == GDK_BUTTON_RELEASE) {
|
||
modifierState &= ~buttonMask;
|
||
} else {
|
||
modifierState |= buttonMask;
|
||
}
|
||
|
||
KeymapWrapper::InitInputEvent(aEvent, modifierState);
|
||
|
||
aEvent.AssignEventTime(GetWidgetEventTime(aGdkEvent->time));
|
||
|
||
switch (aGdkEvent->type) {
|
||
case GDK_2BUTTON_PRESS:
|
||
aEvent.mClickCount = 2;
|
||
break;
|
||
case GDK_3BUTTON_PRESS:
|
||
aEvent.mClickCount = 3;
|
||
break;
|
||
// default is one click
|
||
default:
|
||
aEvent.mClickCount = 1;
|
||
}
|
||
}
|
||
|
||
static guint ButtonMaskFromGDKButton(guint button)
|
||
{
|
||
return GDK_BUTTON1_MASK << (button - 1);
|
||
}
|
||
|
||
void
|
||
nsWindow::DispatchContextMenuEventFromMouseEvent(uint16_t domButton,
|
||
GdkEventButton *aEvent)
|
||
{
|
||
if (domButton == WidgetMouseEvent::eRightButton && MOZ_LIKELY(!mIsDestroyed)) {
|
||
WidgetMouseEvent contextMenuEvent(true, eContextMenu, this,
|
||
WidgetMouseEvent::eReal);
|
||
InitButtonEvent(contextMenuEvent, aEvent);
|
||
contextMenuEvent.pressure = mLastMotionPressure;
|
||
DispatchInputEvent(&contextMenuEvent);
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::OnButtonPressEvent(GdkEventButton *aEvent)
|
||
{
|
||
LOG(("Button %u press on %p\n", aEvent->button, (void *)this));
|
||
|
||
// If you double click in GDK, it will actually generate a second
|
||
// GDK_BUTTON_PRESS before sending the GDK_2BUTTON_PRESS, and this is
|
||
// different than the DOM spec. GDK puts this in the queue
|
||
// programatically, so it's safe to assume that if there's a
|
||
// double click in the queue, it was generated so we can just drop
|
||
// this click.
|
||
GdkEvent *peekedEvent = gdk_event_peek();
|
||
if (peekedEvent) {
|
||
GdkEventType type = peekedEvent->any.type;
|
||
gdk_event_free(peekedEvent);
|
||
if (type == GDK_2BUTTON_PRESS || type == GDK_3BUTTON_PRESS)
|
||
return;
|
||
}
|
||
|
||
nsWindow *containerWindow = GetContainerWindow();
|
||
if (!gFocusWindow && containerWindow) {
|
||
containerWindow->DispatchActivateEvent();
|
||
}
|
||
|
||
// check to see if we should rollup
|
||
if (CheckForRollup(aEvent->x_root, aEvent->y_root, false, false))
|
||
return;
|
||
|
||
gdouble pressure = 0;
|
||
gdk_event_get_axis ((GdkEvent*)aEvent, GDK_AXIS_PRESSURE, &pressure);
|
||
mLastMotionPressure = pressure;
|
||
|
||
uint16_t domButton;
|
||
switch (aEvent->button) {
|
||
case 1:
|
||
domButton = WidgetMouseEvent::eLeftButton;
|
||
break;
|
||
case 2:
|
||
domButton = WidgetMouseEvent::eMiddleButton;
|
||
break;
|
||
case 3:
|
||
domButton = WidgetMouseEvent::eRightButton;
|
||
break;
|
||
// These are mapped to horizontal scroll
|
||
case 6:
|
||
case 7:
|
||
NS_WARNING("We're not supporting legacy horizontal scroll event");
|
||
return;
|
||
// Map buttons 8-9 to back/forward
|
||
case 8:
|
||
DispatchCommandEvent(nsGkAtoms::Back);
|
||
return;
|
||
case 9:
|
||
DispatchCommandEvent(nsGkAtoms::Forward);
|
||
return;
|
||
default:
|
||
return;
|
||
}
|
||
|
||
gButtonState |= ButtonMaskFromGDKButton(aEvent->button);
|
||
|
||
WidgetMouseEvent event(true, eMouseDown, this, WidgetMouseEvent::eReal);
|
||
event.button = domButton;
|
||
InitButtonEvent(event, aEvent);
|
||
event.pressure = mLastMotionPressure;
|
||
|
||
DispatchInputEvent(&event);
|
||
|
||
// right menu click on linux should also pop up a context menu
|
||
if (!nsBaseWidget::ShowContextMenuAfterMouseUp()) {
|
||
DispatchContextMenuEventFromMouseEvent(domButton, aEvent);
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::OnButtonReleaseEvent(GdkEventButton *aEvent)
|
||
{
|
||
LOG(("Button %u release on %p\n", aEvent->button, (void *)this));
|
||
|
||
uint16_t domButton;
|
||
switch (aEvent->button) {
|
||
case 1:
|
||
domButton = WidgetMouseEvent::eLeftButton;
|
||
break;
|
||
case 2:
|
||
domButton = WidgetMouseEvent::eMiddleButton;
|
||
break;
|
||
case 3:
|
||
domButton = WidgetMouseEvent::eRightButton;
|
||
break;
|
||
default:
|
||
return;
|
||
}
|
||
|
||
gButtonState &= ~ButtonMaskFromGDKButton(aEvent->button);
|
||
|
||
WidgetMouseEvent event(true, eMouseUp, this,
|
||
WidgetMouseEvent::eReal);
|
||
event.button = domButton;
|
||
InitButtonEvent(event, aEvent);
|
||
gdouble pressure = 0;
|
||
gdk_event_get_axis ((GdkEvent*)aEvent, GDK_AXIS_PRESSURE, &pressure);
|
||
event.pressure = pressure ? pressure : mLastMotionPressure;
|
||
|
||
// The mRefPoint is manipulated in DispatchInputEvent, we're saving it
|
||
// to use it for the doubleclick position check.
|
||
LayoutDeviceIntPoint pos = event.mRefPoint;
|
||
|
||
nsEventStatus eventStatus = DispatchInputEvent(&event);
|
||
|
||
bool defaultPrevented = (eventStatus == nsEventStatus_eConsumeNoDefault);
|
||
// Check if mouse position in titlebar and doubleclick happened to
|
||
// trigger restore/maximize.
|
||
if (!defaultPrevented
|
||
&& mDrawInTitlebar
|
||
&& event.button == WidgetMouseEvent::eLeftButton
|
||
&& event.mClickCount == 2
|
||
&& mDraggableRegion.Contains(pos.x, pos.y)) {
|
||
|
||
if (mSizeState == nsSizeMode_Maximized) {
|
||
SetSizeMode(nsSizeMode_Normal);
|
||
} else {
|
||
SetSizeMode(nsSizeMode_Maximized);
|
||
}
|
||
}
|
||
mLastMotionPressure = pressure;
|
||
|
||
// right menu click on linux should also pop up a context menu
|
||
if (nsBaseWidget::ShowContextMenuAfterMouseUp()) {
|
||
DispatchContextMenuEventFromMouseEvent(domButton, aEvent);
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::OnContainerFocusInEvent(GdkEventFocus *aEvent)
|
||
{
|
||
LOGFOCUS(("OnContainerFocusInEvent [%p]\n", (void *)this));
|
||
|
||
// Unset the urgency hint, if possible
|
||
GtkWidget* top_window = GetToplevelWidget();
|
||
if (top_window && (gtk_widget_get_visible(top_window)))
|
||
SetUrgencyHint(top_window, false);
|
||
|
||
// Return if being called within SetFocus because the focus manager
|
||
// already knows that the window is active.
|
||
if (gBlockActivateEvent) {
|
||
LOGFOCUS(("activated notification is blocked [%p]\n", (void *)this));
|
||
return;
|
||
}
|
||
|
||
// If keyboard input will be accepted, the focus manager will call
|
||
// SetFocus to set the correct window.
|
||
gFocusWindow = nullptr;
|
||
|
||
DispatchActivateEvent();
|
||
|
||
if (!gFocusWindow) {
|
||
// We don't really have a window for dispatching key events, but
|
||
// setting a non-nullptr value here prevents OnButtonPressEvent() from
|
||
// dispatching an activation notification if the widget is already
|
||
// active.
|
||
gFocusWindow = this;
|
||
}
|
||
|
||
LOGFOCUS(("Events sent from focus in event [%p]\n", (void *)this));
|
||
}
|
||
|
||
void
|
||
nsWindow::OnContainerFocusOutEvent(GdkEventFocus *aEvent)
|
||
{
|
||
LOGFOCUS(("OnContainerFocusOutEvent [%p]\n", (void *)this));
|
||
|
||
if (mWindowType == eWindowType_toplevel || mWindowType == eWindowType_dialog) {
|
||
nsCOMPtr<nsIDragService> dragService = do_GetService(kCDragServiceCID);
|
||
nsCOMPtr<nsIDragSession> dragSession;
|
||
dragService->GetCurrentSession(getter_AddRefs(dragSession));
|
||
|
||
// Rollup popups when a window is focused out unless a drag is occurring.
|
||
// This check is because drags grab the keyboard and cause a focus out on
|
||
// versions of GTK before 2.18.
|
||
bool shouldRollup = !dragSession;
|
||
if (!shouldRollup) {
|
||
// we also roll up when a drag is from a different application
|
||
nsCOMPtr<nsINode> sourceNode;
|
||
dragSession->GetSourceNode(getter_AddRefs(sourceNode));
|
||
shouldRollup = (sourceNode == nullptr);
|
||
}
|
||
|
||
if (shouldRollup) {
|
||
CheckForRollup(0, 0, false, true);
|
||
}
|
||
}
|
||
|
||
if (gFocusWindow) {
|
||
RefPtr<nsWindow> kungFuDeathGrip = gFocusWindow;
|
||
if (gFocusWindow->mIMContext) {
|
||
gFocusWindow->mIMContext->OnBlurWindow(gFocusWindow);
|
||
}
|
||
gFocusWindow = nullptr;
|
||
}
|
||
|
||
DispatchDeactivateEvent();
|
||
|
||
LOGFOCUS(("Done with container focus out [%p]\n", (void *)this));
|
||
}
|
||
|
||
bool
|
||
nsWindow::DispatchCommandEvent(nsAtom* aCommand)
|
||
{
|
||
nsEventStatus status;
|
||
WidgetCommandEvent event(true, nsGkAtoms::onAppCommand, aCommand, this);
|
||
DispatchEvent(&event, status);
|
||
return TRUE;
|
||
}
|
||
|
||
bool
|
||
nsWindow::DispatchContentCommandEvent(EventMessage aMsg)
|
||
{
|
||
nsEventStatus status;
|
||
WidgetContentCommandEvent event(true, aMsg, this);
|
||
DispatchEvent(&event, status);
|
||
return TRUE;
|
||
}
|
||
|
||
static bool
|
||
IsCtrlAltTab(GdkEventKey *aEvent)
|
||
{
|
||
return aEvent->keyval == GDK_Tab &&
|
||
KeymapWrapper::AreModifiersActive(
|
||
KeymapWrapper::CTRL | KeymapWrapper::ALT, aEvent->state);
|
||
}
|
||
|
||
bool
|
||
nsWindow::DispatchKeyDownOrKeyUpEvent(GdkEventKey* aEvent,
|
||
bool aIsProcessedByIME,
|
||
bool* aIsCancelled)
|
||
{
|
||
MOZ_ASSERT(aIsCancelled, "aIsCancelled must not be nullptr");
|
||
|
||
*aIsCancelled = false;
|
||
|
||
if (aEvent->type == GDK_KEY_PRESS && IsCtrlAltTab(aEvent)) {
|
||
return false;
|
||
}
|
||
|
||
EventMessage message =
|
||
aEvent->type == GDK_KEY_PRESS ? eKeyDown : eKeyUp;
|
||
WidgetKeyboardEvent keyEvent(true, message, this);
|
||
KeymapWrapper::InitKeyEvent(keyEvent, aEvent, aIsProcessedByIME);
|
||
return DispatchKeyDownOrKeyUpEvent(keyEvent, aIsCancelled);
|
||
}
|
||
bool
|
||
nsWindow::DispatchKeyDownOrKeyUpEvent(WidgetKeyboardEvent& aKeyboardEvent,
|
||
bool* aIsCancelled)
|
||
{
|
||
MOZ_ASSERT(aIsCancelled, "aIsCancelled must not be nullptr");
|
||
|
||
*aIsCancelled = false;
|
||
|
||
RefPtr<TextEventDispatcher> dispatcher = GetTextEventDispatcher();
|
||
nsresult rv = dispatcher->BeginNativeInputTransaction();
|
||
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
return FALSE;
|
||
}
|
||
|
||
nsEventStatus status = nsEventStatus_eIgnore;
|
||
bool dispatched =
|
||
dispatcher->DispatchKeyboardEvent(aKeyboardEvent.mMessage,
|
||
aKeyboardEvent, status, nullptr);
|
||
*aIsCancelled = (status == nsEventStatus_eConsumeNoDefault);
|
||
return dispatched;
|
||
}
|
||
|
||
WidgetEventTime
|
||
nsWindow::GetWidgetEventTime(guint32 aEventTime)
|
||
{
|
||
return WidgetEventTime(aEventTime, GetEventTimeStamp(aEventTime));
|
||
}
|
||
|
||
TimeStamp
|
||
nsWindow::GetEventTimeStamp(guint32 aEventTime)
|
||
{
|
||
if (MOZ_UNLIKELY(!mGdkWindow)) {
|
||
// nsWindow has been Destroy()ed.
|
||
return TimeStamp::Now();
|
||
}
|
||
if (aEventTime == 0) {
|
||
// Some X11 and GDK events may be received with a time of 0 to indicate
|
||
// that they are synthetic events. Some input method editors do this.
|
||
// In this case too, just return the current timestamp.
|
||
return TimeStamp::Now();
|
||
}
|
||
|
||
TimeStamp eventTimeStamp;
|
||
|
||
if (!mIsX11Display) {
|
||
// Wayland compositors use monotonic time to set timestamps.
|
||
int64_t timestampTime = g_get_monotonic_time() / 1000;
|
||
guint32 refTimeTruncated = guint32(timestampTime);
|
||
|
||
timestampTime -= refTimeTruncated - aEventTime;
|
||
int64_t tick =
|
||
BaseTimeDurationPlatformUtils::TicksFromMilliseconds(timestampTime);
|
||
eventTimeStamp = TimeStamp::FromSystemTime(tick);
|
||
} else {
|
||
CurrentX11TimeGetter* getCurrentTime = GetCurrentTimeGetter();
|
||
MOZ_ASSERT(getCurrentTime,
|
||
"Null current time getter despite having a window");
|
||
eventTimeStamp = TimeConverter().GetTimeStampFromSystemTime(aEventTime,
|
||
*getCurrentTime);
|
||
}
|
||
return eventTimeStamp;
|
||
}
|
||
|
||
mozilla::CurrentX11TimeGetter*
|
||
nsWindow::GetCurrentTimeGetter() {
|
||
MOZ_ASSERT(mGdkWindow, "Expected mGdkWindow to be set");
|
||
if (MOZ_UNLIKELY(!mCurrentTimeGetter)) {
|
||
mCurrentTimeGetter = MakeUnique<CurrentX11TimeGetter>(mGdkWindow);
|
||
}
|
||
return mCurrentTimeGetter.get();
|
||
}
|
||
|
||
gboolean
|
||
nsWindow::OnKeyPressEvent(GdkEventKey *aEvent)
|
||
{
|
||
LOGFOCUS(("OnKeyPressEvent [%p]\n", (void *)this));
|
||
|
||
// if we are in the middle of composing text, XIM gets to see it
|
||
// before mozilla does.
|
||
// FYI: Don't dispatch keydown event before notifying IME of the event
|
||
// because IME may send a key event synchronously and consume the
|
||
// original event.
|
||
bool IMEWasEnabled = false;
|
||
if (mIMContext) {
|
||
IMEWasEnabled = mIMContext->IsEnabled();
|
||
if (mIMContext->OnKeyEvent(this, aEvent)) {
|
||
return TRUE;
|
||
}
|
||
}
|
||
|
||
// work around for annoying things.
|
||
if (IsCtrlAltTab(aEvent)) {
|
||
return TRUE;
|
||
}
|
||
|
||
nsCOMPtr<nsIWidget> kungFuDeathGrip = this;
|
||
|
||
// Dispatch keydown event always. At auto repeating, we should send
|
||
// KEYDOWN -> KEYPRESS -> KEYDOWN -> KEYPRESS ... -> KEYUP
|
||
// However, old distributions (e.g., Ubuntu 9.10) sent native key
|
||
// release event, so, on such platform, the DOM events will be:
|
||
// KEYDOWN -> KEYPRESS -> KEYUP -> KEYDOWN -> KEYPRESS -> KEYUP...
|
||
|
||
bool isKeyDownCancelled = false;
|
||
if (DispatchKeyDownOrKeyUpEvent(aEvent, false, &isKeyDownCancelled) &&
|
||
(MOZ_UNLIKELY(mIsDestroyed) || isKeyDownCancelled)) {
|
||
return TRUE;
|
||
}
|
||
|
||
// If a keydown event handler causes to enable IME, i.e., it moves
|
||
// focus from IME unusable content to IME usable editor, we should
|
||
// send the native key event to IME for the first input on the editor.
|
||
if (!IMEWasEnabled && mIMContext && mIMContext->IsEnabled()) {
|
||
// Notice our keydown event was already dispatched. This prevents
|
||
// unnecessary DOM keydown event in the editor.
|
||
if (mIMContext->OnKeyEvent(this, aEvent, true)) {
|
||
return TRUE;
|
||
}
|
||
}
|
||
|
||
// Look for specialized app-command keys
|
||
switch (aEvent->keyval) {
|
||
case GDK_Back:
|
||
return DispatchCommandEvent(nsGkAtoms::Back);
|
||
case GDK_Forward:
|
||
return DispatchCommandEvent(nsGkAtoms::Forward);
|
||
case GDK_Refresh:
|
||
return DispatchCommandEvent(nsGkAtoms::Reload);
|
||
case GDK_Stop:
|
||
return DispatchCommandEvent(nsGkAtoms::Stop);
|
||
case GDK_Search:
|
||
return DispatchCommandEvent(nsGkAtoms::Search);
|
||
case GDK_Favorites:
|
||
return DispatchCommandEvent(nsGkAtoms::Bookmarks);
|
||
case GDK_HomePage:
|
||
return DispatchCommandEvent(nsGkAtoms::Home);
|
||
case GDK_Copy:
|
||
case GDK_F16: // F16, F20, F18, F14 are old keysyms for Copy Cut Paste Undo
|
||
return DispatchContentCommandEvent(eContentCommandCopy);
|
||
case GDK_Cut:
|
||
case GDK_F20:
|
||
return DispatchContentCommandEvent(eContentCommandCut);
|
||
case GDK_Paste:
|
||
case GDK_F18:
|
||
return DispatchContentCommandEvent(eContentCommandPaste);
|
||
case GDK_Redo:
|
||
return DispatchContentCommandEvent(eContentCommandRedo);
|
||
case GDK_Undo:
|
||
case GDK_F14:
|
||
return DispatchContentCommandEvent(eContentCommandUndo);
|
||
}
|
||
|
||
WidgetKeyboardEvent keypressEvent(true, eKeyPress, this);
|
||
KeymapWrapper::InitKeyEvent(keypressEvent, aEvent, false);
|
||
|
||
// before we dispatch a key, check if it's the context menu key.
|
||
// If so, send a context menu key event instead.
|
||
if (MaybeDispatchContextMenuEvent(aEvent)) {
|
||
return TRUE;
|
||
}
|
||
|
||
RefPtr<TextEventDispatcher> dispatcher = GetTextEventDispatcher();
|
||
nsresult rv = dispatcher->BeginNativeInputTransaction();
|
||
if (NS_WARN_IF(NS_FAILED(rv))) {
|
||
return TRUE;
|
||
}
|
||
|
||
// If the character code is in the BMP, send the key press event.
|
||
// Otherwise, send a compositionchange event with the equivalent UTF-16
|
||
// string.
|
||
// TODO: Investigate other browser's behavior in this case because
|
||
// this hack is odd for UI Events.
|
||
nsEventStatus status = nsEventStatus_eIgnore;
|
||
if (keypressEvent.mKeyNameIndex != KEY_NAME_INDEX_USE_STRING ||
|
||
keypressEvent.mKeyValue.Length() == 1) {
|
||
dispatcher->MaybeDispatchKeypressEvents(keypressEvent,
|
||
status, aEvent);
|
||
} else {
|
||
WidgetEventTime eventTime = GetWidgetEventTime(aEvent->time);
|
||
dispatcher->CommitComposition(status, &keypressEvent.mKeyValue,
|
||
&eventTime);
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
bool
|
||
nsWindow::MaybeDispatchContextMenuEvent(const GdkEventKey* aEvent)
|
||
{
|
||
KeyNameIndex keyNameIndex = KeymapWrapper::ComputeDOMKeyNameIndex(aEvent);
|
||
|
||
// Shift+F10 and ContextMenu should cause eContextMenu event.
|
||
if (keyNameIndex != KEY_NAME_INDEX_F10 &&
|
||
keyNameIndex != KEY_NAME_INDEX_ContextMenu) {
|
||
return false;
|
||
}
|
||
|
||
WidgetMouseEvent contextMenuEvent(true, eContextMenu, this,
|
||
WidgetMouseEvent::eReal,
|
||
WidgetMouseEvent::eContextMenuKey);
|
||
|
||
contextMenuEvent.mRefPoint = LayoutDeviceIntPoint(0, 0);
|
||
contextMenuEvent.AssignEventTime(GetWidgetEventTime(aEvent->time));
|
||
contextMenuEvent.mClickCount = 1;
|
||
KeymapWrapper::InitInputEvent(contextMenuEvent, aEvent->state);
|
||
|
||
if (contextMenuEvent.IsControl() || contextMenuEvent.IsMeta() ||
|
||
contextMenuEvent.IsAlt()) {
|
||
return false;
|
||
}
|
||
|
||
// If the key is ContextMenu, then an eContextMenu mouse event is
|
||
// dispatched regardless of the state of the Shift modifier. When it is
|
||
// pressed without the Shift modifier, a web page can prevent the default
|
||
// context menu action. When pressed with the Shift modifier, the web page
|
||
// cannot prevent the default context menu action.
|
||
// (PresShell::HandleEventInternal() sets mOnlyChromeDispatch to true.)
|
||
|
||
// If the key is F10, it needs Shift state because Shift+F10 is well-known
|
||
// shortcut key on Linux. However, eContextMenu with Shift state is
|
||
// special. It won't fire "contextmenu" event in the web content for
|
||
// blocking web page to prevent its default. Therefore, this combination
|
||
// should work same as ContextMenu key.
|
||
// XXX Should we allow to block web page to prevent its default with
|
||
// Ctrl+Shift+F10 or Alt+Shift+F10 instead?
|
||
if (keyNameIndex == KEY_NAME_INDEX_F10) {
|
||
if (!contextMenuEvent.IsShift()) {
|
||
return false;
|
||
}
|
||
contextMenuEvent.mModifiers &= ~MODIFIER_SHIFT;
|
||
}
|
||
|
||
DispatchInputEvent(&contextMenuEvent);
|
||
return true;
|
||
}
|
||
|
||
gboolean
|
||
nsWindow::OnKeyReleaseEvent(GdkEventKey* aEvent)
|
||
{
|
||
LOGFOCUS(("OnKeyReleaseEvent [%p]\n", (void *)this));
|
||
|
||
if (mIMContext && mIMContext->OnKeyEvent(this, aEvent)) {
|
||
return TRUE;
|
||
}
|
||
|
||
bool isCancelled = false;
|
||
if (NS_WARN_IF(!DispatchKeyDownOrKeyUpEvent(aEvent, false, &isCancelled))) {
|
||
return FALSE;
|
||
}
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
void
|
||
nsWindow::OnScrollEvent(GdkEventScroll *aEvent)
|
||
{
|
||
// check to see if we should rollup
|
||
if (CheckForRollup(aEvent->x_root, aEvent->y_root, true, false))
|
||
return;
|
||
#if GTK_CHECK_VERSION(3,4,0)
|
||
// check for duplicate legacy scroll event, see GNOME bug 726878
|
||
if (aEvent->direction != GDK_SCROLL_SMOOTH &&
|
||
mLastScrollEventTime == aEvent->time)
|
||
return;
|
||
#endif
|
||
WidgetWheelEvent wheelEvent(true, eWheel, this);
|
||
wheelEvent.mDeltaMode = dom::WheelEvent_Binding::DOM_DELTA_LINE;
|
||
switch (aEvent->direction) {
|
||
#if GTK_CHECK_VERSION(3,4,0)
|
||
case GDK_SCROLL_SMOOTH:
|
||
{
|
||
// As of GTK 3.4, all directional scroll events are provided by
|
||
// the GDK_SCROLL_SMOOTH direction on XInput2 devices.
|
||
mLastScrollEventTime = aEvent->time;
|
||
// TODO - use a more appropriate scrolling unit than lines.
|
||
// Multiply event deltas by 3 to emulate legacy behaviour.
|
||
wheelEvent.mDeltaX = aEvent->delta_x * 3;
|
||
wheelEvent.mDeltaY = aEvent->delta_y * 3;
|
||
wheelEvent.mIsNoLineOrPageDelta = true;
|
||
// This next step manually unsets smooth scrolling for touch devices
|
||
// that trigger GDK_SCROLL_SMOOTH. We use the slave device, which
|
||
// represents the actual input.
|
||
GdkDevice *device = gdk_event_get_source_device((GdkEvent*)aEvent);
|
||
GdkInputSource source = gdk_device_get_source(device);
|
||
if (source == GDK_SOURCE_TOUCHSCREEN ||
|
||
source == GDK_SOURCE_TOUCHPAD) {
|
||
wheelEvent.mScrollType = WidgetWheelEvent::SCROLL_ASYNCHRONOUSELY;
|
||
}
|
||
break;
|
||
}
|
||
#endif
|
||
case GDK_SCROLL_UP:
|
||
wheelEvent.mDeltaY = wheelEvent.mLineOrPageDeltaY = -3;
|
||
break;
|
||
case GDK_SCROLL_DOWN:
|
||
wheelEvent.mDeltaY = wheelEvent.mLineOrPageDeltaY = 3;
|
||
break;
|
||
case GDK_SCROLL_LEFT:
|
||
wheelEvent.mDeltaX = wheelEvent.mLineOrPageDeltaX = -1;
|
||
break;
|
||
case GDK_SCROLL_RIGHT:
|
||
wheelEvent.mDeltaX = wheelEvent.mLineOrPageDeltaX = 1;
|
||
break;
|
||
}
|
||
|
||
wheelEvent.mRefPoint = GetRefPoint(this, aEvent);
|
||
|
||
KeymapWrapper::InitInputEvent(wheelEvent, aEvent->state);
|
||
|
||
wheelEvent.AssignEventTime(GetWidgetEventTime(aEvent->time));
|
||
|
||
DispatchInputEvent(&wheelEvent);
|
||
}
|
||
|
||
void
|
||
nsWindow::OnVisibilityNotifyEvent(GdkEventVisibility *aEvent)
|
||
{
|
||
LOGDRAW(("Visibility event %i on [%p] %p\n",
|
||
aEvent->state, this, aEvent->window));
|
||
|
||
if (!mGdkWindow)
|
||
return;
|
||
|
||
switch (aEvent->state) {
|
||
case GDK_VISIBILITY_UNOBSCURED:
|
||
case GDK_VISIBILITY_PARTIAL:
|
||
if (mIsFullyObscured && mHasMappedToplevel) {
|
||
// GDK_EXPOSE events have been ignored, so make sure GDK
|
||
// doesn't think that the window has already been painted.
|
||
gdk_window_invalidate_rect(mGdkWindow, nullptr, FALSE);
|
||
}
|
||
|
||
mIsFullyObscured = false;
|
||
|
||
// if we have to retry the grab, retry it.
|
||
EnsureGrabs();
|
||
break;
|
||
default: // includes GDK_VISIBILITY_FULLY_OBSCURED
|
||
mIsFullyObscured = true;
|
||
break;
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::OnWindowStateEvent(GtkWidget *aWidget, GdkEventWindowState *aEvent)
|
||
{
|
||
LOG(("nsWindow::OnWindowStateEvent [%p] changed %d new_window_state %d\n",
|
||
(void *)this, aEvent->changed_mask, aEvent->new_window_state));
|
||
|
||
if (IS_MOZ_CONTAINER(aWidget)) {
|
||
// This event is notifying the container widget of changes to the
|
||
// toplevel window. Just detect changes affecting whether windows are
|
||
// viewable.
|
||
//
|
||
// (A visibility notify event is sent to each window that becomes
|
||
// viewable when the toplevel is mapped, but we can't rely on that for
|
||
// setting mHasMappedToplevel because these toplevel window state
|
||
// events are asynchronous. The windows in the hierarchy now may not
|
||
// be the same windows as when the toplevel was mapped, so they may
|
||
// not get VisibilityNotify events.)
|
||
bool mapped =
|
||
!(aEvent->new_window_state &
|
||
(GDK_WINDOW_STATE_ICONIFIED|GDK_WINDOW_STATE_WITHDRAWN));
|
||
if (mHasMappedToplevel != mapped) {
|
||
SetHasMappedToplevel(mapped);
|
||
}
|
||
return;
|
||
}
|
||
// else the widget is a shell widget.
|
||
|
||
// The block below is a bit evil.
|
||
//
|
||
// When a window is resized before it is shown, gtk_window_resize() delays
|
||
// resizes until the window is shown. If gtk_window_state_event() sees a
|
||
// GDK_WINDOW_STATE_MAXIMIZED change [1] before the window is shown, then
|
||
// gtk_window_compute_configure_request_size() ignores the values from the
|
||
// resize [2]. See bug 1449166 for an example of how this could happen.
|
||
//
|
||
// [1] https://gitlab.gnome.org/GNOME/gtk/blob/3.22.30/gtk/gtkwindow.c#L7967
|
||
// [2] https://gitlab.gnome.org/GNOME/gtk/blob/3.22.30/gtk/gtkwindow.c#L9377
|
||
//
|
||
// In order to provide a sensible size for the window when the user exits
|
||
// maximized state, we hide the GDK_WINDOW_STATE_MAXIMIZED change from
|
||
// gtk_window_state_event() so as to trick GTK into using the values from
|
||
// gtk_window_resize() in its configure request.
|
||
//
|
||
// We instead notify gtk_window_state_event() of the maximized state change
|
||
// once the window is shown.
|
||
if (!mIsShown) {
|
||
aEvent->changed_mask = static_cast<GdkWindowState>
|
||
(aEvent->changed_mask & ~GDK_WINDOW_STATE_MAXIMIZED);
|
||
} else if (aEvent->changed_mask & GDK_WINDOW_STATE_WITHDRAWN &&
|
||
aEvent->new_window_state & GDK_WINDOW_STATE_MAXIMIZED) {
|
||
aEvent->changed_mask = static_cast<GdkWindowState>
|
||
(aEvent->changed_mask | GDK_WINDOW_STATE_MAXIMIZED);
|
||
}
|
||
|
||
// We don't care about anything but changes in the maximized/icon/fullscreen
|
||
// states
|
||
if ((aEvent->changed_mask
|
||
& (GDK_WINDOW_STATE_ICONIFIED |
|
||
GDK_WINDOW_STATE_MAXIMIZED |
|
||
GDK_WINDOW_STATE_FULLSCREEN)) == 0) {
|
||
return;
|
||
}
|
||
|
||
if (aEvent->new_window_state & GDK_WINDOW_STATE_ICONIFIED) {
|
||
LOG(("\tIconified\n"));
|
||
mSizeState = nsSizeMode_Minimized;
|
||
#ifdef ACCESSIBILITY
|
||
DispatchMinimizeEventAccessible();
|
||
#endif //ACCESSIBILITY
|
||
}
|
||
else if (aEvent->new_window_state & GDK_WINDOW_STATE_FULLSCREEN) {
|
||
LOG(("\tFullscreen\n"));
|
||
mSizeState = nsSizeMode_Fullscreen;
|
||
}
|
||
else if (aEvent->new_window_state & GDK_WINDOW_STATE_MAXIMIZED) {
|
||
LOG(("\tMaximized\n"));
|
||
mSizeState = nsSizeMode_Maximized;
|
||
#ifdef ACCESSIBILITY
|
||
DispatchMaximizeEventAccessible();
|
||
#endif //ACCESSIBILITY
|
||
}
|
||
else {
|
||
LOG(("\tNormal\n"));
|
||
mSizeState = nsSizeMode_Normal;
|
||
#ifdef ACCESSIBILITY
|
||
DispatchRestoreEventAccessible();
|
||
#endif //ACCESSIBILITY
|
||
}
|
||
|
||
if (mWidgetListener) {
|
||
mWidgetListener->SizeModeChanged(mSizeState);
|
||
if (aEvent->changed_mask & GDK_WINDOW_STATE_FULLSCREEN) {
|
||
mWidgetListener->FullscreenChanged(
|
||
aEvent->new_window_state & GDK_WINDOW_STATE_FULLSCREEN);
|
||
}
|
||
}
|
||
|
||
if (mDrawInTitlebar && mCSDSupportLevel == CSD_SUPPORT_CLIENT) {
|
||
UpdateClientOffsetForCSDWindow();
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::ThemeChanged()
|
||
{
|
||
NotifyThemeChanged();
|
||
|
||
if (!mGdkWindow || MOZ_UNLIKELY(mIsDestroyed))
|
||
return;
|
||
|
||
// Dispatch theme change notification to all child windows
|
||
GList *children =
|
||
gdk_window_peek_children(mGdkWindow);
|
||
while (children) {
|
||
GdkWindow *gdkWin = GDK_WINDOW(children->data);
|
||
|
||
auto *win = (nsWindow*) g_object_get_data(G_OBJECT(gdkWin),
|
||
"nsWindow");
|
||
|
||
if (win && win != this) { // guard against infinite recursion
|
||
RefPtr<nsWindow> kungFuDeathGrip = win;
|
||
win->ThemeChanged();
|
||
}
|
||
|
||
children = children->next;
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::OnDPIChanged()
|
||
{
|
||
if (mWidgetListener) {
|
||
nsIPresShell* presShell = mWidgetListener->GetPresShell();
|
||
if (presShell) {
|
||
presShell->BackingScaleFactorChanged();
|
||
// Update menu's font size etc
|
||
presShell->ThemeChanged();
|
||
}
|
||
mWidgetListener->UIResolutionChanged();
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::OnCheckResize()
|
||
{
|
||
mPendingConfigures++;
|
||
}
|
||
|
||
void
|
||
nsWindow::OnCompositedChanged()
|
||
{
|
||
if (mWidgetListener) {
|
||
nsIPresShell* presShell = mWidgetListener->GetPresShell();
|
||
if (presShell) {
|
||
// Update CSD after the change in alpha visibility
|
||
presShell->ThemeChanged();
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::DispatchDragEvent(EventMessage aMsg, const LayoutDeviceIntPoint& aRefPoint,
|
||
guint aTime)
|
||
{
|
||
WidgetDragEvent event(true, aMsg, this);
|
||
|
||
InitDragEvent(event);
|
||
|
||
event.mRefPoint = aRefPoint;
|
||
event.AssignEventTime(GetWidgetEventTime(aTime));
|
||
|
||
DispatchInputEvent(&event);
|
||
}
|
||
|
||
void
|
||
nsWindow::OnDragDataReceivedEvent(GtkWidget *aWidget,
|
||
GdkDragContext *aDragContext,
|
||
gint aX,
|
||
gint aY,
|
||
GtkSelectionData *aSelectionData,
|
||
guint aInfo,
|
||
guint aTime,
|
||
gpointer aData)
|
||
{
|
||
LOGDRAG(("nsWindow::OnDragDataReceived(%p)\n", (void*)this));
|
||
|
||
RefPtr<nsDragService> dragService = nsDragService::GetInstance();
|
||
dragService->
|
||
TargetDataReceived(aWidget, aDragContext, aX, aY,
|
||
aSelectionData, aInfo, aTime);
|
||
}
|
||
|
||
nsWindow*
|
||
nsWindow::GetTransientForWindowIfPopup()
|
||
{
|
||
if (mWindowType != eWindowType_popup) {
|
||
return nullptr;
|
||
}
|
||
GtkWindow* toplevel = gtk_window_get_transient_for(GTK_WINDOW(mShell));
|
||
if (toplevel) {
|
||
return get_window_for_gtk_widget(GTK_WIDGET(toplevel));
|
||
}
|
||
return nullptr;
|
||
}
|
||
|
||
bool
|
||
nsWindow::IsHandlingTouchSequence(GdkEventSequence* aSequence)
|
||
{
|
||
return mHandleTouchEvent && mTouches.Contains(aSequence);
|
||
}
|
||
|
||
#if GTK_CHECK_VERSION(3,4,0)
|
||
gboolean
|
||
nsWindow::OnTouchEvent(GdkEventTouch* aEvent)
|
||
{
|
||
if (!mHandleTouchEvent) {
|
||
// If a popup window was spawned (e.g. as the result of a long-press)
|
||
// and touch events got diverted to that window within a touch sequence,
|
||
// ensure the touch event gets sent to the original window instead. We
|
||
// keep the checks here very conservative so that we only redirect
|
||
// events in this specific scenario.
|
||
nsWindow* targetWindow = GetTransientForWindowIfPopup();
|
||
if (targetWindow &&
|
||
targetWindow->IsHandlingTouchSequence(aEvent->sequence)) {
|
||
return targetWindow->OnTouchEvent(aEvent);
|
||
}
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
EventMessage msg;
|
||
switch (aEvent->type) {
|
||
case GDK_TOUCH_BEGIN:
|
||
msg = eTouchStart;
|
||
break;
|
||
case GDK_TOUCH_UPDATE:
|
||
msg = eTouchMove;
|
||
break;
|
||
case GDK_TOUCH_END:
|
||
msg = eTouchEnd;
|
||
break;
|
||
case GDK_TOUCH_CANCEL:
|
||
msg = eTouchCancel;
|
||
break;
|
||
default:
|
||
return FALSE;
|
||
}
|
||
|
||
LayoutDeviceIntPoint touchPoint = GetRefPoint(this, aEvent);
|
||
|
||
int32_t id;
|
||
RefPtr<dom::Touch> touch;
|
||
if (mTouches.Remove(aEvent->sequence, getter_AddRefs(touch))) {
|
||
id = touch->mIdentifier;
|
||
} else {
|
||
id = ++gLastTouchID & 0x7FFFFFFF;
|
||
}
|
||
|
||
touch = new dom::Touch(id, touchPoint, LayoutDeviceIntPoint(1, 1),
|
||
0.0f, 0.0f);
|
||
|
||
WidgetTouchEvent event(true, msg, this);
|
||
KeymapWrapper::InitInputEvent(event, aEvent->state);
|
||
event.mTime = aEvent->time;
|
||
|
||
if (aEvent->type == GDK_TOUCH_BEGIN || aEvent->type == GDK_TOUCH_UPDATE) {
|
||
mTouches.Put(aEvent->sequence, touch.forget());
|
||
// add all touch points to event object
|
||
for (auto iter = mTouches.Iter(); !iter.Done(); iter.Next()) {
|
||
event.mTouches.AppendElement(new dom::Touch(*iter.UserData()));
|
||
}
|
||
} else if (aEvent->type == GDK_TOUCH_END ||
|
||
aEvent->type == GDK_TOUCH_CANCEL) {
|
||
*event.mTouches.AppendElement() = touch.forget();
|
||
}
|
||
|
||
DispatchInputEvent(&event);
|
||
return TRUE;
|
||
}
|
||
#endif
|
||
|
||
static GdkWindow *
|
||
CreateGdkWindow(GdkWindow *parent, GtkWidget *widget)
|
||
{
|
||
GdkWindowAttr attributes;
|
||
gint attributes_mask = GDK_WA_VISUAL;
|
||
|
||
attributes.event_mask = kEvents;
|
||
|
||
attributes.width = 1;
|
||
attributes.height = 1;
|
||
attributes.wclass = GDK_INPUT_OUTPUT;
|
||
attributes.visual = gtk_widget_get_visual(widget);
|
||
attributes.window_type = GDK_WINDOW_CHILD;
|
||
|
||
GdkWindow *window = gdk_window_new(parent, &attributes, attributes_mask);
|
||
gdk_window_set_user_data(window, widget);
|
||
|
||
return window;
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::Create(nsIWidget* aParent,
|
||
nsNativeWidget aNativeParent,
|
||
const LayoutDeviceIntRect& aRect,
|
||
nsWidgetInitData* aInitData)
|
||
{
|
||
// only set the base parent if we're going to be a dialog or a
|
||
// toplevel
|
||
nsIWidget *baseParent = aInitData &&
|
||
(aInitData->mWindowType == eWindowType_dialog ||
|
||
aInitData->mWindowType == eWindowType_toplevel ||
|
||
aInitData->mWindowType == eWindowType_invisible) ?
|
||
nullptr : aParent;
|
||
|
||
#ifdef ACCESSIBILITY
|
||
// Send a DBus message to check whether a11y is enabled
|
||
a11y::PreInit();
|
||
#endif
|
||
|
||
// Ensure that the toolkit is created.
|
||
nsGTKToolkit::GetToolkit();
|
||
|
||
// initialize all the common bits of this class
|
||
BaseCreate(baseParent, aInitData);
|
||
|
||
// Do we need to listen for resizes?
|
||
bool listenForResizes = false;;
|
||
if (aNativeParent || (aInitData && aInitData->mListenForResizes))
|
||
listenForResizes = true;
|
||
|
||
// and do our common creation
|
||
CommonCreate(aParent, listenForResizes);
|
||
|
||
// save our bounds
|
||
mBounds = aRect;
|
||
ConstrainSize(&mBounds.width, &mBounds.height);
|
||
|
||
// figure out our parent window
|
||
GtkWidget *parentMozContainer = nullptr;
|
||
GtkContainer *parentGtkContainer = nullptr;
|
||
GdkWindow *parentGdkWindow = nullptr;
|
||
GtkWindow *topLevelParent = nullptr;
|
||
nsWindow *parentnsWindow = nullptr;
|
||
GtkWidget *eventWidget = nullptr;
|
||
bool drawToContainer = false;
|
||
|
||
if (aParent) {
|
||
parentnsWindow = static_cast<nsWindow*>(aParent);
|
||
parentGdkWindow = parentnsWindow->mGdkWindow;
|
||
} else if (aNativeParent && GDK_IS_WINDOW(aNativeParent)) {
|
||
parentGdkWindow = GDK_WINDOW(aNativeParent);
|
||
parentnsWindow = get_window_for_gdk_window(parentGdkWindow);
|
||
if (!parentnsWindow)
|
||
return NS_ERROR_FAILURE;
|
||
|
||
} else if (aNativeParent && GTK_IS_CONTAINER(aNativeParent)) {
|
||
parentGtkContainer = GTK_CONTAINER(aNativeParent);
|
||
}
|
||
|
||
if (parentGdkWindow) {
|
||
// get the widget for the window - it should be a moz container
|
||
parentMozContainer = parentnsWindow->GetMozContainerWidget();
|
||
if (!parentMozContainer)
|
||
return NS_ERROR_FAILURE;
|
||
|
||
// get the toplevel window just in case someone needs to use it
|
||
// for setting transients or whatever.
|
||
topLevelParent =
|
||
GTK_WINDOW(gtk_widget_get_toplevel(parentMozContainer));
|
||
}
|
||
|
||
// ok, create our windows
|
||
switch (mWindowType) {
|
||
case eWindowType_dialog:
|
||
case eWindowType_popup:
|
||
case eWindowType_toplevel:
|
||
case eWindowType_invisible: {
|
||
mIsTopLevel = true;
|
||
|
||
// Popups that are not noautohide are only temporary. The are used
|
||
// for menus and the like and disappear when another window is used.
|
||
// For most popups, use the standard GtkWindowType GTK_WINDOW_POPUP,
|
||
// which will use a Window with the override-redirect attribute
|
||
// (for temporary windows).
|
||
// For long-lived windows, their stacking order is managed by the
|
||
// window manager, as indicated by GTK_WINDOW_TOPLEVEL.
|
||
// For Wayland we have to always use GTK_WINDOW_POPUP to control
|
||
// popup window position.
|
||
GtkWindowType type = GTK_WINDOW_TOPLEVEL;
|
||
if (mWindowType == eWindowType_popup) {
|
||
type = (mIsX11Display && aInitData->mNoAutoHide) ?
|
||
GTK_WINDOW_TOPLEVEL : GTK_WINDOW_POPUP;
|
||
}
|
||
mShell = gtk_window_new(type);
|
||
|
||
bool useAlphaVisual = (mWindowType == eWindowType_popup &&
|
||
aInitData->mSupportTranslucency);
|
||
|
||
// mozilla.widget.use-argb-visuals is a hidden pref defaulting to false
|
||
// to allow experimentation
|
||
if (Preferences::GetBool("mozilla.widget.use-argb-visuals", false))
|
||
useAlphaVisual = true;
|
||
|
||
#ifdef MOZ_X11
|
||
// Ensure gfxPlatform is initialized, since that is what initializes
|
||
// gfxVars, used below.
|
||
Unused << gfxPlatform::GetPlatform();
|
||
|
||
bool useWebRender = gfx::gfxVars::UseWebRender() &&
|
||
AllowWebRenderForThisWindow();
|
||
|
||
// If using WebRender on X11, we need to select a visual with a depth buffer,
|
||
// as well as an alpha channel if transparency is requested. This must be done
|
||
// before the widget is realized.
|
||
if (mIsX11Display && useWebRender) {
|
||
auto display =
|
||
GDK_DISPLAY_XDISPLAY(gtk_widget_get_display(mShell));
|
||
auto screen = gtk_widget_get_screen(mShell);
|
||
int screenNumber = GDK_SCREEN_XNUMBER(screen);
|
||
int visualId = 0;
|
||
if (GLContextGLX::FindVisual(display, screenNumber,
|
||
useWebRender, useAlphaVisual,
|
||
&visualId)) {
|
||
// If we're using CSD, rendering will go through mContainer, but
|
||
// it will inherit this visual as it is a child of mShell.
|
||
gtk_widget_set_visual(mShell,
|
||
gdk_x11_screen_lookup_visual(screen,
|
||
visualId));
|
||
}
|
||
} else
|
||
#endif // MOZ_X11
|
||
{
|
||
if (useAlphaVisual) {
|
||
GdkScreen *screen = gtk_widget_get_screen(mShell);
|
||
if (gdk_screen_is_composited(screen)) {
|
||
GdkVisual *visual = gdk_screen_get_rgba_visual(screen);
|
||
gtk_widget_set_visual(mShell, visual);
|
||
}
|
||
}
|
||
}
|
||
|
||
// We only move a general managed toplevel window if someone has
|
||
// actually placed the window somewhere. If no placement has taken
|
||
// place, we just let the window manager Do The Right Thing.
|
||
NativeResize();
|
||
|
||
if (mWindowType == eWindowType_dialog) {
|
||
SetDefaultIcon();
|
||
gtk_window_set_wmclass(GTK_WINDOW(mShell), "Dialog",
|
||
gdk_get_program_class());
|
||
gtk_window_set_type_hint(GTK_WINDOW(mShell),
|
||
GDK_WINDOW_TYPE_HINT_DIALOG);
|
||
gtk_window_set_transient_for(GTK_WINDOW(mShell),
|
||
topLevelParent);
|
||
}
|
||
else if (mWindowType == eWindowType_popup) {
|
||
// With popup windows, we want to control their position, so don't
|
||
// wait for the window manager to place them (which wouldn't
|
||
// happen with override-redirect windows anyway).
|
||
NativeMove();
|
||
|
||
gtk_window_set_wmclass(GTK_WINDOW(mShell), "Popup",
|
||
gdk_get_program_class());
|
||
|
||
if (aInitData->mNoAutoHide) {
|
||
// ... but the window manager does not decorate this window,
|
||
// nor provide a separate taskbar icon.
|
||
if (mBorderStyle == eBorderStyle_default) {
|
||
gtk_window_set_decorated(GTK_WINDOW(mShell), FALSE);
|
||
}
|
||
else {
|
||
bool decorate = mBorderStyle & eBorderStyle_title;
|
||
gtk_window_set_decorated(GTK_WINDOW(mShell), decorate);
|
||
if (decorate) {
|
||
gtk_window_set_deletable(GTK_WINDOW(mShell), mBorderStyle & eBorderStyle_close);
|
||
}
|
||
}
|
||
gtk_window_set_skip_taskbar_hint(GTK_WINDOW(mShell), TRUE);
|
||
// Element focus is managed by the parent window so the
|
||
// WM_HINTS input field is set to False to tell the window
|
||
// manager not to set input focus to this window ...
|
||
gtk_window_set_accept_focus(GTK_WINDOW(mShell), FALSE);
|
||
#ifdef MOZ_X11
|
||
// ... but when the window manager offers focus through
|
||
// WM_TAKE_FOCUS, focus is requested on the parent window.
|
||
if (mIsX11Display) {
|
||
gtk_widget_realize(mShell);
|
||
gdk_window_add_filter(gtk_widget_get_window(mShell),
|
||
popup_take_focus_filter, nullptr);
|
||
}
|
||
#endif
|
||
}
|
||
|
||
GdkWindowTypeHint gtkTypeHint;
|
||
if (aInitData->mIsDragPopup) {
|
||
gtkTypeHint = GDK_WINDOW_TYPE_HINT_DND;
|
||
mIsDragPopup = true;
|
||
}
|
||
else {
|
||
switch (aInitData->mPopupHint) {
|
||
case ePopupTypeMenu:
|
||
// Use GDK_WINDOW_TYPE_HINT_UTILITY on Wayland which
|
||
// guides Gtk to create the popup as subsurface
|
||
// instead of xdg_shell popup (see Bug 1423598).
|
||
gtkTypeHint = mIsX11Display ? GDK_WINDOW_TYPE_HINT_POPUP_MENU :
|
||
GDK_WINDOW_TYPE_HINT_UTILITY;
|
||
break;
|
||
case ePopupTypeTooltip:
|
||
gtkTypeHint = GDK_WINDOW_TYPE_HINT_TOOLTIP;
|
||
break;
|
||
default:
|
||
gtkTypeHint = GDK_WINDOW_TYPE_HINT_UTILITY;
|
||
break;
|
||
}
|
||
}
|
||
gtk_window_set_type_hint(GTK_WINDOW(mShell), gtkTypeHint);
|
||
|
||
if (topLevelParent) {
|
||
gtk_window_set_transient_for(GTK_WINDOW(mShell),
|
||
topLevelParent);
|
||
}
|
||
}
|
||
else { // must be eWindowType_toplevel
|
||
SetDefaultIcon();
|
||
gtk_window_set_wmclass(GTK_WINDOW(mShell), "Toplevel",
|
||
gdk_get_program_class());
|
||
|
||
// each toplevel window gets its own window group
|
||
GtkWindowGroup *group = gtk_window_group_new();
|
||
gtk_window_group_add_window(group, GTK_WINDOW(mShell));
|
||
g_object_unref(group);
|
||
|
||
// We enable titlebar rendering for toplevel windows only.
|
||
mCSDSupportLevel = GetSystemCSDSupportLevel();
|
||
}
|
||
|
||
// Create a container to hold child windows and child GtkWidgets.
|
||
GtkWidget *container = moz_container_new();
|
||
mContainer = MOZ_CONTAINER(container);
|
||
|
||
// "csd" style is set when widget is realized so we need to call
|
||
// it explicitly now.
|
||
gtk_widget_realize(mShell);
|
||
|
||
/* There are several cases here:
|
||
*
|
||
* 1) We're running on Gtk+ without client side decorations.
|
||
* Content is rendered to mShell window and we listen
|
||
* to the Gtk+ events on mShell
|
||
* 2) We're running on Gtk+ and client side decorations
|
||
* are drawn by Gtk+ to mShell. Content is rendered to mContainer
|
||
* and we listen to the Gtk+ events on mContainer.
|
||
* 3) We're running on Wayland. All gecko content is rendered
|
||
* to mContainer and we listen to the Gtk+ events on mContainer.
|
||
*/
|
||
GtkStyleContext* style = gtk_widget_get_style_context(mShell);
|
||
drawToContainer =
|
||
!mIsX11Display ||
|
||
(mCSDSupportLevel == CSD_SUPPORT_CLIENT) ||
|
||
gtk_style_context_has_class(style, "csd");
|
||
eventWidget = (drawToContainer) ? container : mShell;
|
||
|
||
gtk_widget_add_events(eventWidget, kEvents);
|
||
if (drawToContainer)
|
||
gtk_widget_add_events(mShell, GDK_PROPERTY_CHANGE_MASK);
|
||
|
||
// Prevent GtkWindow from painting a background to avoid flickering.
|
||
gtk_widget_set_app_paintable(eventWidget, TRUE);
|
||
|
||
// If we draw to mContainer window then configure it now because
|
||
// gtk_container_add() realizes the child widget.
|
||
gtk_widget_set_has_window(container, drawToContainer);
|
||
|
||
gtk_container_add(GTK_CONTAINER(mShell), container);
|
||
gtk_widget_realize(container);
|
||
|
||
// make sure this is the focus widget in the container
|
||
gtk_widget_show(container);
|
||
gtk_widget_grab_focus(container);
|
||
|
||
// the drawing window
|
||
mGdkWindow = gtk_widget_get_window(eventWidget);
|
||
|
||
if (mWindowType == eWindowType_popup) {
|
||
// gdk does not automatically set the cursor for "temporary"
|
||
// windows, which are what gtk uses for popups.
|
||
|
||
mCursor = eCursor_wait; // force SetCursor to actually set the
|
||
// cursor, even though our internal state
|
||
// indicates that we already have the
|
||
// standard cursor.
|
||
SetCursor(eCursor_standard);
|
||
|
||
if (aInitData->mNoAutoHide) {
|
||
gint wmd = ConvertBorderStyles(mBorderStyle);
|
||
if (wmd != -1)
|
||
gdk_window_set_decorations(mGdkWindow, (GdkWMDecoration) wmd);
|
||
}
|
||
|
||
if (!mIsX11Display) {
|
||
gtk_widget_set_app_paintable(mShell, TRUE);
|
||
}
|
||
|
||
// If the popup ignores mouse events, set an empty input shape.
|
||
if (aInitData->mMouseTransparent) {
|
||
cairo_rectangle_int_t rect = { 0, 0, 0, 0 };
|
||
cairo_region_t *region = cairo_region_create_rectangle(&rect);
|
||
|
||
gdk_window_input_shape_combine_region(mGdkWindow, region, 0, 0);
|
||
cairo_region_destroy(region);
|
||
}
|
||
}
|
||
|
||
#ifdef MOZ_X11
|
||
// Set window manager hint to keep fullscreen windows composited.
|
||
//
|
||
// If the window were to get unredirected, there could be visible
|
||
// tearing because Gecko does not align its framebuffer updates with
|
||
// vblank.
|
||
SetCompositorHint(GTK_WIDGET_COMPOSIDED_ENABLED);
|
||
#endif
|
||
}
|
||
break;
|
||
|
||
case eWindowType_plugin:
|
||
case eWindowType_plugin_ipc_chrome:
|
||
case eWindowType_plugin_ipc_content:
|
||
MOZ_ASSERT_UNREACHABLE("Unexpected eWindowType_plugin*");
|
||
return NS_ERROR_FAILURE;
|
||
|
||
case eWindowType_child: {
|
||
if (parentMozContainer) {
|
||
mGdkWindow = CreateGdkWindow(parentGdkWindow, parentMozContainer);
|
||
mHasMappedToplevel = parentnsWindow->mHasMappedToplevel;
|
||
}
|
||
else if (parentGtkContainer) {
|
||
// This MozContainer has its own window for drawing and receives
|
||
// events because there is no mShell widget (corresponding to this
|
||
// nsWindow).
|
||
GtkWidget *container = moz_container_new();
|
||
mContainer = MOZ_CONTAINER(container);
|
||
eventWidget = container;
|
||
gtk_widget_add_events(eventWidget, kEvents);
|
||
gtk_container_add(parentGtkContainer, container);
|
||
gtk_widget_realize(container);
|
||
|
||
mGdkWindow = gtk_widget_get_window(container);
|
||
}
|
||
else {
|
||
NS_WARNING("Warning: tried to create a new child widget with no parent!");
|
||
return NS_ERROR_FAILURE;
|
||
}
|
||
}
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
// label the drawing window with this object so we can find our way home
|
||
g_object_set_data(G_OBJECT(mGdkWindow), "nsWindow", this);
|
||
if (drawToContainer) {
|
||
// Also label mShell toplevel window,
|
||
// property_notify_event_cb callback also needs to find its way home
|
||
g_object_set_data(G_OBJECT(gtk_widget_get_window(mShell)),
|
||
"nsWindow", this);
|
||
}
|
||
|
||
if (mContainer)
|
||
g_object_set_data(G_OBJECT(mContainer), "nsWindow", this);
|
||
|
||
if (mShell)
|
||
g_object_set_data(G_OBJECT(mShell), "nsWindow", this);
|
||
|
||
// attach listeners for events
|
||
if (mShell) {
|
||
g_signal_connect(mShell, "configure_event",
|
||
G_CALLBACK(configure_event_cb), nullptr);
|
||
g_signal_connect(mShell, "delete_event",
|
||
G_CALLBACK(delete_event_cb), nullptr);
|
||
g_signal_connect(mShell, "window_state_event",
|
||
G_CALLBACK(window_state_event_cb), nullptr);
|
||
g_signal_connect(mShell, "check-resize",
|
||
G_CALLBACK(check_resize_cb), nullptr);
|
||
g_signal_connect(mShell, "composited-changed",
|
||
G_CALLBACK(widget_composited_changed_cb), nullptr);
|
||
g_signal_connect(mShell, "property-notify-event",
|
||
G_CALLBACK(property_notify_event_cb), nullptr);
|
||
|
||
GdkScreen *screen = gtk_widget_get_screen(mShell);
|
||
if (!g_signal_handler_find(screen, G_SIGNAL_MATCH_FUNC,
|
||
0, 0, nullptr,
|
||
FuncToGpointer(screen_composited_changed_cb), 0)) {
|
||
g_signal_connect(screen, "composited-changed",
|
||
G_CALLBACK(screen_composited_changed_cb), nullptr);
|
||
}
|
||
|
||
GtkSettings* default_settings = gtk_settings_get_default();
|
||
g_signal_connect_after(default_settings,
|
||
"notify::gtk-theme-name",
|
||
G_CALLBACK(theme_changed_cb), this);
|
||
g_signal_connect_after(default_settings,
|
||
"notify::gtk-font-name",
|
||
G_CALLBACK(theme_changed_cb), this);
|
||
}
|
||
|
||
if (mContainer) {
|
||
// Widget signals
|
||
g_signal_connect(mContainer, "unrealize",
|
||
G_CALLBACK(container_unrealize_cb), nullptr);
|
||
g_signal_connect_after(mContainer, "size_allocate",
|
||
G_CALLBACK(size_allocate_cb), nullptr);
|
||
g_signal_connect(mContainer, "hierarchy-changed",
|
||
G_CALLBACK(hierarchy_changed_cb), nullptr);
|
||
g_signal_connect(mContainer, "notify::scale-factor",
|
||
G_CALLBACK(scale_changed_cb), nullptr);
|
||
// Initialize mHasMappedToplevel.
|
||
hierarchy_changed_cb(GTK_WIDGET(mContainer), nullptr);
|
||
// Expose, focus, key, and drag events are sent even to GTK_NO_WINDOW
|
||
// widgets.
|
||
g_signal_connect(G_OBJECT(mContainer), "draw",
|
||
G_CALLBACK(expose_event_cb), nullptr);
|
||
g_signal_connect(mContainer, "focus_in_event",
|
||
G_CALLBACK(focus_in_event_cb), nullptr);
|
||
g_signal_connect(mContainer, "focus_out_event",
|
||
G_CALLBACK(focus_out_event_cb), nullptr);
|
||
g_signal_connect(mContainer, "key_press_event",
|
||
G_CALLBACK(key_press_event_cb), nullptr);
|
||
g_signal_connect(mContainer, "key_release_event",
|
||
G_CALLBACK(key_release_event_cb), nullptr);
|
||
|
||
gtk_drag_dest_set((GtkWidget *)mContainer,
|
||
(GtkDestDefaults)0,
|
||
nullptr,
|
||
0,
|
||
(GdkDragAction)0);
|
||
|
||
g_signal_connect(mContainer, "drag_motion",
|
||
G_CALLBACK(drag_motion_event_cb), nullptr);
|
||
g_signal_connect(mContainer, "drag_leave",
|
||
G_CALLBACK(drag_leave_event_cb), nullptr);
|
||
g_signal_connect(mContainer, "drag_drop",
|
||
G_CALLBACK(drag_drop_event_cb), nullptr);
|
||
g_signal_connect(mContainer, "drag_data_received",
|
||
G_CALLBACK(drag_data_received_event_cb), nullptr);
|
||
|
||
GtkWidget *widgets[] = { GTK_WIDGET(mContainer),
|
||
!drawToContainer ? mShell : nullptr };
|
||
for (size_t i = 0; i < ArrayLength(widgets) && widgets[i]; ++i) {
|
||
// Visibility events are sent to the owning widget of the relevant
|
||
// window but do not propagate to parent widgets so connect on
|
||
// mShell (if it exists) as well as mContainer.
|
||
g_signal_connect(widgets[i], "visibility-notify-event",
|
||
G_CALLBACK(visibility_notify_event_cb), nullptr);
|
||
// Similarly double buffering is controlled by the window's owning
|
||
// widget. Disable double buffering for painting directly to the
|
||
// X Window.
|
||
gtk_widget_set_double_buffered(widgets[i], FALSE);
|
||
}
|
||
|
||
// We create input contexts for all containers, except for
|
||
// toplevel popup windows
|
||
if (mWindowType != eWindowType_popup) {
|
||
mIMContext = new IMContextWrapper(this);
|
||
}
|
||
} else if (!mIMContext) {
|
||
nsWindow *container = GetContainerWindow();
|
||
if (container) {
|
||
mIMContext = container->mIMContext;
|
||
}
|
||
}
|
||
|
||
if (eventWidget) {
|
||
|
||
// These events are sent to the owning widget of the relevant window
|
||
// and propagate up to the first widget that handles the events, so we
|
||
// need only connect on mShell, if it exists, to catch events on its
|
||
// window and windows of mContainer.
|
||
g_signal_connect(eventWidget, "enter-notify-event",
|
||
G_CALLBACK(enter_notify_event_cb), nullptr);
|
||
g_signal_connect(eventWidget, "leave-notify-event",
|
||
G_CALLBACK(leave_notify_event_cb), nullptr);
|
||
g_signal_connect(eventWidget, "motion-notify-event",
|
||
G_CALLBACK(motion_notify_event_cb), nullptr);
|
||
g_signal_connect(eventWidget, "button-press-event",
|
||
G_CALLBACK(button_press_event_cb), nullptr);
|
||
g_signal_connect(eventWidget, "button-release-event",
|
||
G_CALLBACK(button_release_event_cb), nullptr);
|
||
g_signal_connect(eventWidget, "scroll-event",
|
||
G_CALLBACK(scroll_event_cb), nullptr);
|
||
#if GTK_CHECK_VERSION(3,4,0)
|
||
g_signal_connect(eventWidget, "touch-event",
|
||
G_CALLBACK(touch_event_cb), nullptr);
|
||
#endif
|
||
}
|
||
|
||
LOG(("nsWindow [%p]\n", (void *)this));
|
||
if (mShell) {
|
||
LOG(("\tmShell %p mContainer %p mGdkWindow %p 0x%lx\n",
|
||
mShell, mContainer, mGdkWindow,
|
||
mIsX11Display ? gdk_x11_window_get_xid(mGdkWindow) : 0));
|
||
} else if (mContainer) {
|
||
LOG(("\tmContainer %p mGdkWindow %p\n", mContainer, mGdkWindow));
|
||
}
|
||
else if (mGdkWindow) {
|
||
LOG(("\tmGdkWindow %p parent %p\n",
|
||
mGdkWindow, gdk_window_get_parent(mGdkWindow)));
|
||
}
|
||
|
||
// resize so that everything is set to the right dimensions
|
||
if (!mIsTopLevel)
|
||
Resize(mBounds.x, mBounds.y, mBounds.width, mBounds.height, false);
|
||
|
||
#ifdef MOZ_X11
|
||
if (mIsX11Display && mGdkWindow) {
|
||
mXDisplay = GDK_WINDOW_XDISPLAY(mGdkWindow);
|
||
mXWindow = gdk_x11_window_get_xid(mGdkWindow);
|
||
|
||
GdkVisual* gdkVisual = gdk_window_get_visual(mGdkWindow);
|
||
mXVisual = gdk_x11_visual_get_xvisual(gdkVisual);
|
||
mXDepth = gdk_visual_get_depth(gdkVisual);
|
||
|
||
mSurfaceProvider.Initialize(mXDisplay, mXWindow, mXVisual, mXDepth);
|
||
}
|
||
#ifdef MOZ_WAYLAND
|
||
else if (!mIsX11Display) {
|
||
mSurfaceProvider.Initialize(this);
|
||
}
|
||
#endif
|
||
#endif
|
||
return NS_OK;
|
||
}
|
||
|
||
void
|
||
nsWindow::RefreshWindowClass(void)
|
||
{
|
||
if (mGtkWindowTypeName.IsEmpty() || mGtkWindowRoleName.IsEmpty())
|
||
return;
|
||
|
||
GdkWindow* gdkWindow = gtk_widget_get_window(mShell);
|
||
gdk_window_set_role(gdkWindow, mGtkWindowRoleName.get());
|
||
|
||
#ifdef MOZ_X11
|
||
if (mIsX11Display) {
|
||
XClassHint *class_hint = XAllocClassHint();
|
||
if (!class_hint) {
|
||
return;
|
||
}
|
||
const char *res_class = gdk_get_program_class();
|
||
if (!res_class)
|
||
return;
|
||
|
||
class_hint->res_name = const_cast<char*>(mGtkWindowTypeName.get());
|
||
class_hint->res_class = const_cast<char*>(res_class);
|
||
|
||
// Can't use gtk_window_set_wmclass() for this; it prints
|
||
// a warning & refuses to make the change.
|
||
GdkDisplay *display = gdk_display_get_default();
|
||
XSetClassHint(GDK_DISPLAY_XDISPLAY(display),
|
||
gdk_x11_window_get_xid(gdkWindow),
|
||
class_hint);
|
||
XFree(class_hint);
|
||
}
|
||
#endif /* MOZ_X11 */
|
||
}
|
||
|
||
void
|
||
nsWindow::SetWindowClass(const nsAString &xulWinType)
|
||
{
|
||
if (!mShell)
|
||
return;
|
||
|
||
char *res_name = ToNewCString(xulWinType);
|
||
if (!res_name)
|
||
return;
|
||
|
||
const char *role = nullptr;
|
||
|
||
// Parse res_name into a name and role. Characters other than
|
||
// [A-Za-z0-9_-] are converted to '_'. Anything after the first
|
||
// colon is assigned to role; if there's no colon, assign the
|
||
// whole thing to both role and res_name.
|
||
for (char *c = res_name; *c; c++) {
|
||
if (':' == *c) {
|
||
*c = 0;
|
||
role = c + 1;
|
||
}
|
||
else if (!isascii(*c) || (!isalnum(*c) && ('_' != *c) && ('-' != *c)))
|
||
*c = '_';
|
||
}
|
||
res_name[0] = toupper(res_name[0]);
|
||
if (!role) role = res_name;
|
||
|
||
mGtkWindowTypeName = res_name;
|
||
mGtkWindowRoleName = role;
|
||
free(res_name);
|
||
|
||
RefreshWindowClass();
|
||
}
|
||
|
||
void
|
||
nsWindow::NativeResize()
|
||
{
|
||
if (!AreBoundsSane()) {
|
||
// If someone has set this so that the needs show flag is false
|
||
// and it needs to be hidden, update the flag and hide the
|
||
// window. This flag will be cleared the next time someone
|
||
// hides the window or shows it. It also prevents us from
|
||
// calling NativeShow(false) excessively on the window which
|
||
// causes unneeded X traffic.
|
||
if (!mNeedsShow && mIsShown) {
|
||
mNeedsShow = true;
|
||
NativeShow(false);
|
||
}
|
||
return;
|
||
}
|
||
|
||
GdkRectangle size = DevicePixelsToGdkSizeRoundUp(mBounds.Size());
|
||
|
||
LOG(("nsWindow::NativeResize [%p] %d %d\n", (void *)this,
|
||
size.width, size.height));
|
||
|
||
if (mIsTopLevel) {
|
||
MOZ_ASSERT(size.width > 0 && size.height > 0,
|
||
"Can't resize window smaller than 1x1.");
|
||
gtk_window_resize(GTK_WINDOW(mShell), size.width, size.height);
|
||
}
|
||
else if (mContainer) {
|
||
GtkWidget *widget = GTK_WIDGET(mContainer);
|
||
GtkAllocation allocation, prev_allocation;
|
||
gtk_widget_get_allocation(widget, &prev_allocation);
|
||
allocation.x = prev_allocation.x;
|
||
allocation.y = prev_allocation.y;
|
||
allocation.width = size.width;
|
||
allocation.height = size.height;
|
||
gtk_widget_size_allocate(widget, &allocation);
|
||
}
|
||
else if (mGdkWindow) {
|
||
gdk_window_resize(mGdkWindow, size.width, size.height);
|
||
}
|
||
|
||
#ifdef MOZ_X11
|
||
// Notify the GtkCompositorWidget of a ClientSizeChange
|
||
// This is different than OnSizeAllocate to catch initial sizing
|
||
if (mCompositorWidgetDelegate) {
|
||
mCompositorWidgetDelegate->NotifyClientSizeChanged(GetClientSize());
|
||
}
|
||
#endif
|
||
|
||
// Does it need to be shown because bounds were previously insane?
|
||
if (mNeedsShow && mIsShown) {
|
||
NativeShow(true);
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::NativeMoveResize()
|
||
{
|
||
if (!AreBoundsSane()) {
|
||
// If someone has set this so that the needs show flag is false
|
||
// and it needs to be hidden, update the flag and hide the
|
||
// window. This flag will be cleared the next time someone
|
||
// hides the window or shows it. It also prevents us from
|
||
// calling NativeShow(false) excessively on the window which
|
||
// causes unneeded X traffic.
|
||
if (!mNeedsShow && mIsShown) {
|
||
mNeedsShow = true;
|
||
NativeShow(false);
|
||
}
|
||
NativeMove();
|
||
|
||
return;
|
||
}
|
||
|
||
GdkRectangle size = DevicePixelsToGdkSizeRoundUp(mBounds.Size());
|
||
GdkPoint topLeft = DevicePixelsToGdkPointRoundDown(mBounds.TopLeft());
|
||
|
||
LOG(("nsWindow::NativeMoveResize [%p] %d %d %d %d\n", (void *)this,
|
||
topLeft.x, topLeft.y, size.width, size.height));
|
||
|
||
if (mIsTopLevel) {
|
||
// x and y give the position of the window manager frame top-left.
|
||
gtk_window_move(GTK_WINDOW(mShell), topLeft.x, topLeft.y);
|
||
// This sets the client window size.
|
||
MOZ_ASSERT(size.width > 0 && size.height > 0,
|
||
"Can't resize window smaller than 1x1.");
|
||
gtk_window_resize(GTK_WINDOW(mShell), size.width, size.height);
|
||
}
|
||
else if (mContainer) {
|
||
GtkAllocation allocation;
|
||
allocation.x = topLeft.x;
|
||
allocation.y = topLeft.y;
|
||
allocation.width = size.width;
|
||
allocation.height = size.height;
|
||
gtk_widget_size_allocate(GTK_WIDGET(mContainer), &allocation);
|
||
}
|
||
else if (mGdkWindow) {
|
||
gdk_window_move_resize(mGdkWindow,
|
||
topLeft.x, topLeft.y, size.width, size.height);
|
||
}
|
||
|
||
#ifdef MOZ_X11
|
||
// Notify the GtkCompositorWidget of a ClientSizeChange
|
||
// This is different than OnSizeAllocate to catch initial sizing
|
||
if (mCompositorWidgetDelegate) {
|
||
mCompositorWidgetDelegate->NotifyClientSizeChanged(GetClientSize());
|
||
}
|
||
#endif
|
||
|
||
// Does it need to be shown because bounds were previously insane?
|
||
if (mNeedsShow && mIsShown) {
|
||
NativeShow(true);
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::NativeShow(bool aAction)
|
||
{
|
||
if (aAction) {
|
||
// unset our flag now that our window has been shown
|
||
mNeedsShow = false;
|
||
|
||
if (mIsTopLevel) {
|
||
// Set up usertime/startupID metadata for the created window.
|
||
if (mWindowType != eWindowType_invisible) {
|
||
SetUserTimeAndStartupIDForActivatedWindow(mShell);
|
||
}
|
||
|
||
gtk_widget_show(mShell);
|
||
}
|
||
else if (mContainer) {
|
||
gtk_widget_show(GTK_WIDGET(mContainer));
|
||
}
|
||
else if (mGdkWindow) {
|
||
gdk_window_show_unraised(mGdkWindow);
|
||
}
|
||
}
|
||
else {
|
||
#ifdef MOZ_WAYLAND
|
||
if (mContainer && moz_container_has_wl_egl_window(mContainer)) {
|
||
// Because wl_egl_window is destroyed on moz_container_unmap(),
|
||
// the current compositor cannot use it anymore. To avoid crash,
|
||
// destroy the compositor & recreate a new compositor on next
|
||
// expose event.
|
||
DestroyLayerManager();
|
||
}
|
||
#endif
|
||
|
||
if (mIsTopLevel) {
|
||
// Workaround window freezes on GTK versions before 3.21.2 by
|
||
// ensuring that configure events get dispatched to windows before
|
||
// they are unmapped. See bug 1225044.
|
||
if (gtk_check_version(3, 21, 2) != nullptr && mPendingConfigures > 0) {
|
||
GtkAllocation allocation;
|
||
gtk_widget_get_allocation(GTK_WIDGET(mShell), &allocation);
|
||
|
||
GdkEventConfigure event;
|
||
PodZero(&event);
|
||
event.type = GDK_CONFIGURE;
|
||
event.window = mGdkWindow;
|
||
event.send_event = TRUE;
|
||
event.x = allocation.x;
|
||
event.y = allocation.y;
|
||
event.width = allocation.width;
|
||
event.height = allocation.height;
|
||
|
||
auto shellClass = GTK_WIDGET_GET_CLASS(mShell);
|
||
for (unsigned int i = 0; i < mPendingConfigures; i++) {
|
||
Unused << shellClass->configure_event(mShell, &event);
|
||
}
|
||
mPendingConfigures = 0;
|
||
}
|
||
|
||
gtk_widget_hide(mShell);
|
||
|
||
ClearTransparencyBitmap(); // Release some resources
|
||
}
|
||
else if (mContainer) {
|
||
gtk_widget_hide(GTK_WIDGET(mContainer));
|
||
}
|
||
else if (mGdkWindow) {
|
||
gdk_window_hide(mGdkWindow);
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::SetHasMappedToplevel(bool aState)
|
||
{
|
||
// Even when aState == mHasMappedToplevel (as when this method is called
|
||
// from Show()), child windows need to have their state checked, so don't
|
||
// return early.
|
||
bool oldState = mHasMappedToplevel;
|
||
mHasMappedToplevel = aState;
|
||
|
||
// mHasMappedToplevel is not updated for children of windows that are
|
||
// hidden; GDK knows not to send expose events for these windows. The
|
||
// state is recorded on the hidden window itself, but, for child trees of
|
||
// hidden windows, their state essentially becomes disconnected from their
|
||
// hidden parent. When the hidden parent gets shown, the child trees are
|
||
// reconnected, and the state of the window being shown can be easily
|
||
// propagated.
|
||
if (!mIsShown || !mGdkWindow)
|
||
return;
|
||
|
||
if (aState && !oldState && !mIsFullyObscured) {
|
||
// GDK_EXPOSE events have been ignored but the window is now visible,
|
||
// so make sure GDK doesn't think that the window has already been
|
||
// painted.
|
||
gdk_window_invalidate_rect(mGdkWindow, nullptr, FALSE);
|
||
|
||
// Check that a grab didn't fail due to the window not being
|
||
// viewable.
|
||
EnsureGrabs();
|
||
}
|
||
|
||
for (GList *children = gdk_window_peek_children(mGdkWindow);
|
||
children;
|
||
children = children->next) {
|
||
GdkWindow *gdkWin = GDK_WINDOW(children->data);
|
||
nsWindow *child = get_window_for_gdk_window(gdkWin);
|
||
|
||
if (child && child->mHasMappedToplevel != aState) {
|
||
child->SetHasMappedToplevel(aState);
|
||
}
|
||
}
|
||
}
|
||
|
||
LayoutDeviceIntSize
|
||
nsWindow::GetSafeWindowSize(LayoutDeviceIntSize aSize)
|
||
{
|
||
// The X protocol uses CARD32 for window sizes, but the server (1.11.3)
|
||
// reads it as CARD16. Sizes of pixmaps, used for drawing, are (unsigned)
|
||
// CARD16 in the protocol, but the server's ProcCreatePixmap returns
|
||
// BadAlloc if dimensions cannot be represented by signed shorts.
|
||
LayoutDeviceIntSize result = aSize;
|
||
const int32_t kInt16Max = 32767;
|
||
if (result.width > kInt16Max) {
|
||
result.width = kInt16Max;
|
||
}
|
||
if (result.height > kInt16Max) {
|
||
result.height = kInt16Max;
|
||
}
|
||
return result;
|
||
}
|
||
|
||
void
|
||
nsWindow::EnsureGrabs(void)
|
||
{
|
||
if (mRetryPointerGrab)
|
||
GrabPointer(sRetryGrabTime);
|
||
}
|
||
|
||
void
|
||
nsWindow::CleanLayerManagerRecursive(void) {
|
||
if (mLayerManager) {
|
||
mLayerManager->Destroy();
|
||
mLayerManager = nullptr;
|
||
}
|
||
|
||
DestroyCompositor();
|
||
|
||
GList* children = gdk_window_peek_children(mGdkWindow);
|
||
for (GList* list = children; list; list = list->next) {
|
||
nsWindow* window = get_window_for_gdk_window(GDK_WINDOW(list->data));
|
||
if (window) {
|
||
window->CleanLayerManagerRecursive();
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::SetTransparencyMode(nsTransparencyMode aMode)
|
||
{
|
||
if (!mShell) {
|
||
// Pass the request to the toplevel window
|
||
GtkWidget *topWidget = GetToplevelWidget();
|
||
if (!topWidget)
|
||
return;
|
||
|
||
nsWindow *topWindow = get_window_for_gtk_widget(topWidget);
|
||
if (!topWindow)
|
||
return;
|
||
|
||
topWindow->SetTransparencyMode(aMode);
|
||
return;
|
||
}
|
||
|
||
bool isTransparent = aMode == eTransparencyTransparent;
|
||
|
||
if (mIsTransparent == isTransparent) {
|
||
return;
|
||
} else if (mWindowType != eWindowType_popup) {
|
||
NS_WARNING("Cannot set transparency mode on non-popup windows.");
|
||
return;
|
||
}
|
||
|
||
if (!isTransparent) {
|
||
ClearTransparencyBitmap();
|
||
} // else the new default alpha values are "all 1", so we don't
|
||
// need to change anything yet
|
||
|
||
mIsTransparent = isTransparent;
|
||
|
||
// Need to clean our LayerManager up while still alive because
|
||
// we don't want to use layers acceleration on shaped windows
|
||
CleanLayerManagerRecursive();
|
||
}
|
||
|
||
nsTransparencyMode
|
||
nsWindow::GetTransparencyMode()
|
||
{
|
||
if (!mShell) {
|
||
// Pass the request to the toplevel window
|
||
GtkWidget *topWidget = GetToplevelWidget();
|
||
if (!topWidget) {
|
||
return eTransparencyOpaque;
|
||
}
|
||
|
||
nsWindow *topWindow = get_window_for_gtk_widget(topWidget);
|
||
if (!topWindow) {
|
||
return eTransparencyOpaque;
|
||
}
|
||
|
||
return topWindow->GetTransparencyMode();
|
||
}
|
||
|
||
return mIsTransparent ? eTransparencyTransparent : eTransparencyOpaque;
|
||
}
|
||
|
||
// For setting the draggable titlebar region from CSS
|
||
// with -moz-window-dragging: drag.
|
||
void
|
||
nsWindow::UpdateWindowDraggingRegion(const LayoutDeviceIntRegion& aRegion)
|
||
{
|
||
if (mDraggableRegion != aRegion) {
|
||
mDraggableRegion = aRegion;
|
||
}
|
||
}
|
||
|
||
#if (MOZ_WIDGET_GTK >= 3)
|
||
void nsWindow::UpdateOpaqueRegion(const LayoutDeviceIntRegion& aOpaqueRegion)
|
||
{
|
||
// Available as of GTK 3.10+
|
||
static auto sGdkWindowSetOpaqueRegion =
|
||
(void (*)(GdkWindow*, cairo_region_t*))
|
||
dlsym(RTLD_DEFAULT, "gdk_window_set_opaque_region");
|
||
|
||
if (sGdkWindowSetOpaqueRegion && mGdkWindow &&
|
||
gdk_window_get_window_type(mGdkWindow) == GDK_WINDOW_TOPLEVEL) {
|
||
if (aOpaqueRegion.IsEmpty()) {
|
||
(*sGdkWindowSetOpaqueRegion)(mGdkWindow, nullptr);
|
||
} else {
|
||
cairo_region_t *region = cairo_region_create();
|
||
for (auto iter = aOpaqueRegion.RectIter(); !iter.Done();
|
||
iter.Next()) {
|
||
const LayoutDeviceIntRect &r = iter.Get();
|
||
cairo_rectangle_int_t rect = { r.x, r.y, r.width, r.height };
|
||
cairo_region_union_rectangle(region, &rect);
|
||
}
|
||
(*sGdkWindowSetOpaqueRegion)(mGdkWindow, region);
|
||
cairo_region_destroy(region);
|
||
}
|
||
}
|
||
}
|
||
#endif
|
||
|
||
nsresult
|
||
nsWindow::ConfigureChildren(const nsTArray<Configuration>& aConfigurations)
|
||
{
|
||
// If this is a remotely updated widget we receive clipping, position, and
|
||
// size information from a source other than our owner. Don't let our parent
|
||
// update this information.
|
||
if (mWindowType == eWindowType_plugin_ipc_chrome) {
|
||
return NS_OK;
|
||
}
|
||
|
||
for (uint32_t i = 0; i < aConfigurations.Length(); ++i) {
|
||
const Configuration& configuration = aConfigurations[i];
|
||
auto* w = static_cast<nsWindow*>(configuration.mChild.get());
|
||
NS_ASSERTION(w->GetParent() == this,
|
||
"Configured widget is not a child");
|
||
w->SetWindowClipRegion(configuration.mClipRegion, true);
|
||
if (w->mBounds.Size() != configuration.mBounds.Size()) {
|
||
w->Resize(configuration.mBounds.x, configuration.mBounds.y,
|
||
configuration.mBounds.width, configuration.mBounds.height,
|
||
true);
|
||
} else if (w->mBounds.TopLeft() != configuration.mBounds.TopLeft()) {
|
||
w->Move(configuration.mBounds.x, configuration.mBounds.y);
|
||
}
|
||
w->SetWindowClipRegion(configuration.mClipRegion, false);
|
||
}
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::SetWindowClipRegion(const nsTArray<LayoutDeviceIntRect>& aRects,
|
||
bool aIntersectWithExisting)
|
||
{
|
||
const nsTArray<LayoutDeviceIntRect>* newRects = &aRects;
|
||
|
||
AutoTArray<LayoutDeviceIntRect,1> intersectRects;
|
||
if (aIntersectWithExisting) {
|
||
AutoTArray<LayoutDeviceIntRect,1> existingRects;
|
||
GetWindowClipRegion(&existingRects);
|
||
|
||
LayoutDeviceIntRegion existingRegion = RegionFromArray(existingRects);
|
||
LayoutDeviceIntRegion newRegion = RegionFromArray(aRects);
|
||
LayoutDeviceIntRegion intersectRegion;
|
||
intersectRegion.And(newRegion, existingRegion);
|
||
|
||
// If mClipRects is null we haven't set a clip rect yet, so we
|
||
// need to set the clip even if it is equal.
|
||
if (mClipRects && intersectRegion.IsEqual(existingRegion)) {
|
||
return NS_OK;
|
||
}
|
||
|
||
if (!intersectRegion.IsEqual(newRegion)) {
|
||
ArrayFromRegion(intersectRegion, intersectRects);
|
||
newRects = &intersectRects;
|
||
}
|
||
}
|
||
|
||
if (IsWindowClipRegionEqual(*newRects))
|
||
return NS_OK;
|
||
|
||
StoreWindowClipRegion(*newRects);
|
||
|
||
if (!mGdkWindow)
|
||
return NS_OK;
|
||
|
||
cairo_region_t *region = cairo_region_create();
|
||
for (uint32_t i = 0; i < newRects->Length(); ++i) {
|
||
const LayoutDeviceIntRect& r = newRects->ElementAt(i);
|
||
cairo_rectangle_int_t rect = { r.x, r.y, r.width, r.height };
|
||
cairo_region_union_rectangle(region, &rect);
|
||
}
|
||
|
||
gdk_window_shape_combine_region(mGdkWindow, region, 0, 0);
|
||
cairo_region_destroy(region);
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
void
|
||
nsWindow::ResizeTransparencyBitmap()
|
||
{
|
||
if (!mTransparencyBitmap)
|
||
return;
|
||
|
||
if (mBounds.width == mTransparencyBitmapWidth &&
|
||
mBounds.height == mTransparencyBitmapHeight)
|
||
return;
|
||
|
||
int32_t newRowBytes = GetBitmapStride(mBounds.width);
|
||
int32_t newSize = newRowBytes * mBounds.height;
|
||
auto* newBits = new gchar[newSize];
|
||
// fill new mask with "transparent", first
|
||
memset(newBits, 0, newSize);
|
||
|
||
// Now copy the intersection of the old and new areas into the new mask
|
||
int32_t copyWidth = std::min(mBounds.width, mTransparencyBitmapWidth);
|
||
int32_t copyHeight = std::min(mBounds.height, mTransparencyBitmapHeight);
|
||
int32_t oldRowBytes = GetBitmapStride(mTransparencyBitmapWidth);
|
||
int32_t copyBytes = GetBitmapStride(copyWidth);
|
||
|
||
int32_t i;
|
||
gchar* fromPtr = mTransparencyBitmap;
|
||
gchar* toPtr = newBits;
|
||
for (i = 0; i < copyHeight; i++) {
|
||
memcpy(toPtr, fromPtr, copyBytes);
|
||
fromPtr += oldRowBytes;
|
||
toPtr += newRowBytes;
|
||
}
|
||
|
||
delete[] mTransparencyBitmap;
|
||
mTransparencyBitmap = newBits;
|
||
mTransparencyBitmapWidth = mBounds.width;
|
||
mTransparencyBitmapHeight = mBounds.height;
|
||
}
|
||
|
||
static bool
|
||
ChangedMaskBits(gchar* aMaskBits, int32_t aMaskWidth, int32_t aMaskHeight,
|
||
const nsIntRect& aRect, uint8_t* aAlphas, int32_t aStride)
|
||
{
|
||
int32_t x, y, xMax = aRect.XMost(), yMax = aRect.YMost();
|
||
int32_t maskBytesPerRow = GetBitmapStride(aMaskWidth);
|
||
for (y = aRect.y; y < yMax; y++) {
|
||
gchar* maskBytes = aMaskBits + y*maskBytesPerRow;
|
||
uint8_t* alphas = aAlphas;
|
||
for (x = aRect.x; x < xMax; x++) {
|
||
bool newBit = *alphas > 0x7f;
|
||
alphas++;
|
||
|
||
gchar maskByte = maskBytes[x >> 3];
|
||
bool maskBit = (maskByte & (1 << (x & 7))) != 0;
|
||
|
||
if (maskBit != newBit) {
|
||
return true;
|
||
}
|
||
}
|
||
aAlphas += aStride;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
static
|
||
void UpdateMaskBits(gchar* aMaskBits, int32_t aMaskWidth, int32_t aMaskHeight,
|
||
const nsIntRect& aRect, uint8_t* aAlphas, int32_t aStride)
|
||
{
|
||
int32_t x, y, xMax = aRect.XMost(), yMax = aRect.YMost();
|
||
int32_t maskBytesPerRow = GetBitmapStride(aMaskWidth);
|
||
for (y = aRect.y; y < yMax; y++) {
|
||
gchar* maskBytes = aMaskBits + y*maskBytesPerRow;
|
||
uint8_t* alphas = aAlphas;
|
||
for (x = aRect.x; x < xMax; x++) {
|
||
bool newBit = *alphas > 0x7f;
|
||
alphas++;
|
||
|
||
gchar mask = 1 << (x & 7);
|
||
gchar maskByte = maskBytes[x >> 3];
|
||
// Note: '-newBit' turns 0 into 00...00 and 1 into 11...11
|
||
maskBytes[x >> 3] = (maskByte & ~mask) | (-newBit & mask);
|
||
}
|
||
aAlphas += aStride;
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::ApplyTransparencyBitmap()
|
||
{
|
||
#ifdef MOZ_X11
|
||
// We use X11 calls where possible, because GDK handles expose events
|
||
// for shaped windows in a way that's incompatible with us (Bug 635903).
|
||
// It doesn't occur when the shapes are set through X.
|
||
Display* xDisplay = GDK_WINDOW_XDISPLAY(mGdkWindow);
|
||
Window xDrawable = GDK_WINDOW_XID(mGdkWindow);
|
||
Pixmap maskPixmap = XCreateBitmapFromData(xDisplay,
|
||
xDrawable,
|
||
mTransparencyBitmap,
|
||
mTransparencyBitmapWidth,
|
||
mTransparencyBitmapHeight);
|
||
XShapeCombineMask(xDisplay, xDrawable,
|
||
ShapeBounding, 0, 0,
|
||
maskPixmap, ShapeSet);
|
||
XFreePixmap(xDisplay, maskPixmap);
|
||
#else
|
||
cairo_surface_t *maskBitmap;
|
||
maskBitmap = cairo_image_surface_create_for_data((unsigned char*)mTransparencyBitmap,
|
||
CAIRO_FORMAT_A1,
|
||
mTransparencyBitmapWidth,
|
||
mTransparencyBitmapHeight,
|
||
GetBitmapStride(mTransparencyBitmapWidth));
|
||
if (!maskBitmap)
|
||
return;
|
||
|
||
cairo_region_t * maskRegion = gdk_cairo_region_create_from_surface(maskBitmap);
|
||
gtk_widget_shape_combine_region(mShell, maskRegion);
|
||
cairo_region_destroy(maskRegion);
|
||
cairo_surface_destroy(maskBitmap);
|
||
#endif // MOZ_X11
|
||
}
|
||
|
||
void
|
||
nsWindow::ClearTransparencyBitmap()
|
||
{
|
||
if (!mTransparencyBitmap)
|
||
return;
|
||
|
||
delete[] mTransparencyBitmap;
|
||
mTransparencyBitmap = nullptr;
|
||
mTransparencyBitmapWidth = 0;
|
||
mTransparencyBitmapHeight = 0;
|
||
|
||
if (!mShell)
|
||
return;
|
||
|
||
#ifdef MOZ_X11
|
||
if (!mGdkWindow)
|
||
return;
|
||
|
||
Display* xDisplay = GDK_WINDOW_XDISPLAY(mGdkWindow);
|
||
Window xWindow = gdk_x11_window_get_xid(mGdkWindow);
|
||
|
||
XShapeCombineMask(xDisplay, xWindow, ShapeBounding, 0, 0, X11None, ShapeSet);
|
||
#endif
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::UpdateTranslucentWindowAlphaInternal(const nsIntRect& aRect,
|
||
uint8_t* aAlphas, int32_t aStride)
|
||
{
|
||
if (!mShell) {
|
||
// Pass the request to the toplevel window
|
||
GtkWidget *topWidget = GetToplevelWidget();
|
||
if (!topWidget)
|
||
return NS_ERROR_FAILURE;
|
||
|
||
nsWindow *topWindow = get_window_for_gtk_widget(topWidget);
|
||
if (!topWindow)
|
||
return NS_ERROR_FAILURE;
|
||
|
||
return topWindow->UpdateTranslucentWindowAlphaInternal(aRect, aAlphas, aStride);
|
||
}
|
||
|
||
NS_ASSERTION(mIsTransparent, "Window is not transparent");
|
||
|
||
if (mTransparencyBitmap == nullptr) {
|
||
int32_t size = GetBitmapStride(mBounds.width)*mBounds.height;
|
||
mTransparencyBitmap = new gchar[size];
|
||
memset(mTransparencyBitmap, 255, size);
|
||
mTransparencyBitmapWidth = mBounds.width;
|
||
mTransparencyBitmapHeight = mBounds.height;
|
||
} else {
|
||
ResizeTransparencyBitmap();
|
||
}
|
||
|
||
nsIntRect rect;
|
||
rect.IntersectRect(aRect, nsIntRect(0, 0, mBounds.width, mBounds.height));
|
||
|
||
if (!ChangedMaskBits(mTransparencyBitmap, mBounds.width, mBounds.height,
|
||
rect, aAlphas, aStride))
|
||
// skip the expensive stuff if the mask bits haven't changed; hopefully
|
||
// this is the common case
|
||
return NS_OK;
|
||
|
||
UpdateMaskBits(mTransparencyBitmap, mBounds.width, mBounds.height,
|
||
rect, aAlphas, aStride);
|
||
|
||
if (!mNeedsShow) {
|
||
ApplyTransparencyBitmap();
|
||
}
|
||
return NS_OK;
|
||
}
|
||
|
||
void
|
||
nsWindow::GrabPointer(guint32 aTime)
|
||
{
|
||
LOG(("GrabPointer time=0x%08x retry=%d\n",
|
||
(unsigned int)aTime, mRetryPointerGrab));
|
||
|
||
mRetryPointerGrab = false;
|
||
sRetryGrabTime = aTime;
|
||
|
||
// If the window isn't visible, just set the flag to retry the
|
||
// grab. When this window becomes visible, the grab will be
|
||
// retried.
|
||
if (!mHasMappedToplevel || mIsFullyObscured) {
|
||
LOG(("GrabPointer: window not visible\n"));
|
||
mRetryPointerGrab = true;
|
||
return;
|
||
}
|
||
|
||
if (!mGdkWindow)
|
||
return;
|
||
|
||
if (!mIsX11Display) {
|
||
// Don't to the grab on Wayland as it causes a regression
|
||
// from Bug 1377084.
|
||
return;
|
||
}
|
||
|
||
gint retval;
|
||
// Note that we need GDK_TOUCH_MASK below to work around a GDK/X11 bug that
|
||
// causes touch events that would normally be received by this client on
|
||
// other windows to be discarded during the grab.
|
||
retval = gdk_pointer_grab(mGdkWindow, TRUE,
|
||
(GdkEventMask)(GDK_BUTTON_PRESS_MASK |
|
||
GDK_BUTTON_RELEASE_MASK |
|
||
GDK_ENTER_NOTIFY_MASK |
|
||
GDK_LEAVE_NOTIFY_MASK |
|
||
GDK_POINTER_MOTION_MASK |
|
||
GDK_TOUCH_MASK),
|
||
(GdkWindow *)nullptr, nullptr, aTime);
|
||
|
||
if (retval == GDK_GRAB_NOT_VIEWABLE) {
|
||
LOG(("GrabPointer: window not viewable; will retry\n"));
|
||
mRetryPointerGrab = true;
|
||
} else if (retval != GDK_GRAB_SUCCESS) {
|
||
LOG(("GrabPointer: pointer grab failed: %i\n", retval));
|
||
// A failed grab indicates that another app has grabbed the pointer.
|
||
// Check for rollup now, because, without the grab, we likely won't
|
||
// get subsequent button press events. Do this with an event so that
|
||
// popups don't rollup while potentially adjusting the grab for
|
||
// this popup.
|
||
nsCOMPtr<nsIRunnable> event =
|
||
NewRunnableMethod("nsWindow::CheckForRollupDuringGrab",
|
||
this,
|
||
&nsWindow::CheckForRollupDuringGrab);
|
||
NS_DispatchToCurrentThread(event.forget());
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::ReleaseGrabs(void)
|
||
{
|
||
LOG(("ReleaseGrabs\n"));
|
||
|
||
mRetryPointerGrab = false;
|
||
|
||
if (!mIsX11Display) {
|
||
// Don't to the ungrab on Wayland as it causes a regression
|
||
// from Bug 1377084.
|
||
return;
|
||
}
|
||
|
||
gdk_pointer_ungrab(GDK_CURRENT_TIME);
|
||
}
|
||
|
||
GtkWidget *
|
||
nsWindow::GetToplevelWidget()
|
||
{
|
||
if (mShell) {
|
||
return mShell;
|
||
}
|
||
|
||
GtkWidget *widget = GetMozContainerWidget();
|
||
if (!widget)
|
||
return nullptr;
|
||
|
||
return gtk_widget_get_toplevel(widget);
|
||
}
|
||
|
||
GtkWidget *
|
||
nsWindow::GetMozContainerWidget()
|
||
{
|
||
if (!mGdkWindow)
|
||
return nullptr;
|
||
|
||
if (mContainer)
|
||
return GTK_WIDGET(mContainer);
|
||
|
||
GtkWidget *owningWidget =
|
||
get_gtk_widget_for_gdk_window(mGdkWindow);
|
||
return owningWidget;
|
||
}
|
||
|
||
nsWindow *
|
||
nsWindow::GetContainerWindow()
|
||
{
|
||
GtkWidget *owningWidget = GetMozContainerWidget();
|
||
if (!owningWidget)
|
||
return nullptr;
|
||
|
||
nsWindow *window = get_window_for_gtk_widget(owningWidget);
|
||
NS_ASSERTION(window, "No nsWindow for container widget");
|
||
return window;
|
||
}
|
||
|
||
void
|
||
nsWindow::SetUrgencyHint(GtkWidget *top_window, bool state)
|
||
{
|
||
if (!top_window)
|
||
return;
|
||
|
||
gdk_window_set_urgency_hint(gtk_widget_get_window(top_window), state);
|
||
}
|
||
|
||
void
|
||
nsWindow::SetDefaultIcon(void)
|
||
{
|
||
SetIcon(NS_LITERAL_STRING("default"));
|
||
}
|
||
|
||
gint
|
||
nsWindow::ConvertBorderStyles(nsBorderStyle aStyle)
|
||
{
|
||
gint w = 0;
|
||
|
||
if (aStyle == eBorderStyle_default)
|
||
return -1;
|
||
|
||
// note that we don't handle eBorderStyle_close yet
|
||
if (aStyle & eBorderStyle_all)
|
||
w |= GDK_DECOR_ALL;
|
||
if (aStyle & eBorderStyle_border)
|
||
w |= GDK_DECOR_BORDER;
|
||
if (aStyle & eBorderStyle_resizeh)
|
||
w |= GDK_DECOR_RESIZEH;
|
||
if (aStyle & eBorderStyle_title)
|
||
w |= GDK_DECOR_TITLE;
|
||
if (aStyle & eBorderStyle_menu)
|
||
w |= GDK_DECOR_MENU;
|
||
if (aStyle & eBorderStyle_minimize)
|
||
w |= GDK_DECOR_MINIMIZE;
|
||
if (aStyle & eBorderStyle_maximize)
|
||
w |= GDK_DECOR_MAXIMIZE;
|
||
|
||
return w;
|
||
}
|
||
|
||
class FullscreenTransitionWindow final : public nsISupports
|
||
{
|
||
public:
|
||
NS_DECL_ISUPPORTS
|
||
|
||
explicit FullscreenTransitionWindow(GtkWidget* aWidget);
|
||
|
||
GtkWidget* mWindow;
|
||
|
||
private:
|
||
~FullscreenTransitionWindow();
|
||
};
|
||
|
||
NS_IMPL_ISUPPORTS0(FullscreenTransitionWindow)
|
||
|
||
FullscreenTransitionWindow::FullscreenTransitionWindow(GtkWidget* aWidget)
|
||
{
|
||
mWindow = gtk_window_new(GTK_WINDOW_POPUP);
|
||
GtkWindow* gtkWin = GTK_WINDOW(mWindow);
|
||
|
||
gtk_window_set_type_hint(gtkWin, GDK_WINDOW_TYPE_HINT_SPLASHSCREEN);
|
||
gtk_window_set_transient_for(gtkWin, GTK_WINDOW(aWidget));
|
||
gtk_window_set_decorated(gtkWin, false);
|
||
|
||
GdkWindow* gdkWin = gtk_widget_get_window(aWidget);
|
||
GdkScreen* screen = gtk_widget_get_screen(aWidget);
|
||
gint monitorNum = gdk_screen_get_monitor_at_window(screen, gdkWin);
|
||
GdkRectangle monitorRect;
|
||
gdk_screen_get_monitor_geometry(screen, monitorNum, &monitorRect);
|
||
gtk_window_set_screen(gtkWin, screen);
|
||
gtk_window_move(gtkWin, monitorRect.x, monitorRect.y);
|
||
MOZ_ASSERT(monitorRect.width > 0 && monitorRect.height > 0,
|
||
"Can't resize window smaller than 1x1.");
|
||
gtk_window_resize(gtkWin, monitorRect.width, monitorRect.height);
|
||
|
||
GdkColor bgColor;
|
||
bgColor.red = bgColor.green = bgColor.blue = 0;
|
||
gtk_widget_modify_bg(mWindow, GTK_STATE_NORMAL, &bgColor);
|
||
|
||
gtk_window_set_opacity(gtkWin, 0.0);
|
||
gtk_widget_show(mWindow);
|
||
}
|
||
|
||
FullscreenTransitionWindow::~FullscreenTransitionWindow()
|
||
{
|
||
gtk_widget_destroy(mWindow);
|
||
}
|
||
|
||
class FullscreenTransitionData
|
||
{
|
||
public:
|
||
FullscreenTransitionData(nsIWidget::FullscreenTransitionStage aStage,
|
||
uint16_t aDuration, nsIRunnable* aCallback,
|
||
FullscreenTransitionWindow* aWindow)
|
||
: mStage(aStage)
|
||
, mStartTime(TimeStamp::Now())
|
||
, mDuration(TimeDuration::FromMilliseconds(aDuration))
|
||
, mCallback(aCallback)
|
||
, mWindow(aWindow) { }
|
||
|
||
static const guint sInterval = 1000 / 30; // 30fps
|
||
static gboolean TimeoutCallback(gpointer aData);
|
||
|
||
private:
|
||
nsIWidget::FullscreenTransitionStage mStage;
|
||
TimeStamp mStartTime;
|
||
TimeDuration mDuration;
|
||
nsCOMPtr<nsIRunnable> mCallback;
|
||
RefPtr<FullscreenTransitionWindow> mWindow;
|
||
};
|
||
|
||
/* static */ gboolean
|
||
FullscreenTransitionData::TimeoutCallback(gpointer aData)
|
||
{
|
||
bool finishing = false;
|
||
auto data = static_cast<FullscreenTransitionData*>(aData);
|
||
gdouble opacity = (TimeStamp::Now() - data->mStartTime) / data->mDuration;
|
||
if (opacity >= 1.0) {
|
||
opacity = 1.0;
|
||
finishing = true;
|
||
}
|
||
if (data->mStage == nsIWidget::eAfterFullscreenToggle) {
|
||
opacity = 1.0 - opacity;
|
||
}
|
||
gtk_window_set_opacity(GTK_WINDOW(data->mWindow->mWindow), opacity);
|
||
|
||
if (!finishing) {
|
||
return TRUE;
|
||
}
|
||
NS_DispatchToMainThread(data->mCallback.forget());
|
||
delete data;
|
||
return FALSE;
|
||
}
|
||
|
||
/* virtual */ bool
|
||
nsWindow::PrepareForFullscreenTransition(nsISupports** aData)
|
||
{
|
||
GdkScreen* screen = gtk_widget_get_screen(mShell);
|
||
if (!gdk_screen_is_composited(screen)) {
|
||
return false;
|
||
}
|
||
*aData = do_AddRef(new FullscreenTransitionWindow(mShell)).take();
|
||
return true;
|
||
}
|
||
|
||
/* virtual */ void
|
||
nsWindow::PerformFullscreenTransition(FullscreenTransitionStage aStage,
|
||
uint16_t aDuration, nsISupports* aData,
|
||
nsIRunnable* aCallback)
|
||
{
|
||
auto data = static_cast<FullscreenTransitionWindow*>(aData);
|
||
// This will be released at the end of the last timeout callback for it.
|
||
auto transitionData = new FullscreenTransitionData(aStage, aDuration,
|
||
aCallback, data);
|
||
g_timeout_add_full(G_PRIORITY_HIGH,
|
||
FullscreenTransitionData::sInterval,
|
||
FullscreenTransitionData::TimeoutCallback,
|
||
transitionData, nullptr);
|
||
}
|
||
|
||
already_AddRefed<nsIScreen>
|
||
nsWindow::GetWidgetScreen()
|
||
{
|
||
nsCOMPtr<nsIScreenManager> screenManager;
|
||
screenManager = do_GetService("@mozilla.org/gfx/screenmanager;1");
|
||
if (!screenManager) {
|
||
return nullptr;
|
||
}
|
||
|
||
// GetScreenBounds() is slow for the GTK port so we override and use
|
||
// mBounds directly.
|
||
LayoutDeviceIntRect bounds = mBounds;
|
||
if (!mIsTopLevel) {
|
||
bounds.MoveTo(WidgetToScreenOffset());
|
||
}
|
||
|
||
DesktopIntRect deskBounds = RoundedToInt(bounds / GetDesktopToDeviceScale());
|
||
nsCOMPtr<nsIScreen> screen;
|
||
screenManager->ScreenForRect(deskBounds.x, deskBounds.y,
|
||
deskBounds.width, deskBounds.height,
|
||
getter_AddRefs(screen));
|
||
return screen.forget();
|
||
}
|
||
|
||
static bool
|
||
IsFullscreenSupported(GtkWidget* aShell)
|
||
{
|
||
#ifdef MOZ_X11
|
||
GdkScreen* screen = gtk_widget_get_screen(aShell);
|
||
GdkAtom atom = gdk_atom_intern("_NET_WM_STATE_FULLSCREEN", FALSE);
|
||
if (!gdk_x11_screen_supports_net_wm_hint(screen, atom)) {
|
||
return false;
|
||
}
|
||
#endif
|
||
return true;
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::MakeFullScreen(bool aFullScreen, nsIScreen* aTargetScreen)
|
||
{
|
||
LOG(("nsWindow::MakeFullScreen [%p] aFullScreen %d\n",
|
||
(void *)this, aFullScreen));
|
||
|
||
if (mIsX11Display && !IsFullscreenSupported(mShell)) {
|
||
return NS_ERROR_NOT_AVAILABLE;
|
||
}
|
||
|
||
if (aFullScreen) {
|
||
if (mSizeMode != nsSizeMode_Fullscreen)
|
||
mLastSizeMode = mSizeMode;
|
||
|
||
mSizeMode = nsSizeMode_Fullscreen;
|
||
gtk_window_fullscreen(GTK_WINDOW(mShell));
|
||
}
|
||
else {
|
||
mSizeMode = mLastSizeMode;
|
||
gtk_window_unfullscreen(GTK_WINDOW(mShell));
|
||
}
|
||
|
||
NS_ASSERTION(mLastSizeMode != nsSizeMode_Fullscreen,
|
||
"mLastSizeMode should never be fullscreen");
|
||
return NS_OK;
|
||
}
|
||
|
||
void
|
||
nsWindow::SetWindowDecoration(nsBorderStyle aStyle)
|
||
{
|
||
if (!mShell) {
|
||
// Pass the request to the toplevel window
|
||
GtkWidget *topWidget = GetToplevelWidget();
|
||
if (!topWidget)
|
||
return;
|
||
|
||
nsWindow *topWindow = get_window_for_gtk_widget(topWidget);
|
||
if (!topWindow)
|
||
return;
|
||
|
||
topWindow->SetWindowDecoration(aStyle);
|
||
return;
|
||
}
|
||
|
||
// We can't use mGdkWindow directly here as it can be
|
||
// derived from mContainer which is not a top-level GdkWindow.
|
||
GdkWindow *window = gtk_widget_get_window(mShell);
|
||
|
||
// Sawfish, metacity, and presumably other window managers get
|
||
// confused if we change the window decorations while the window
|
||
// is visible.
|
||
bool wasVisible = false;
|
||
if (gdk_window_is_visible(window)) {
|
||
gdk_window_hide(window);
|
||
wasVisible = true;
|
||
}
|
||
|
||
gint wmd = ConvertBorderStyles(aStyle);
|
||
if (wmd != -1)
|
||
gdk_window_set_decorations(window, (GdkWMDecoration) wmd);
|
||
|
||
if (wasVisible)
|
||
gdk_window_show(window);
|
||
|
||
// For some window managers, adding or removing window decorations
|
||
// requires unmapping and remapping our toplevel window. Go ahead
|
||
// and flush the queue here so that we don't end up with a BadWindow
|
||
// error later when this happens (when the persistence timer fires
|
||
// and GetWindowPos is called)
|
||
#ifdef MOZ_X11
|
||
if (mIsX11Display) {
|
||
XSync(GDK_DISPLAY_XDISPLAY(gdk_display_get_default()) , False);
|
||
} else
|
||
#endif /* MOZ_X11 */
|
||
{
|
||
gdk_flush ();
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::HideWindowChrome(bool aShouldHide)
|
||
{
|
||
SetWindowDecoration(aShouldHide ? eBorderStyle_none : mBorderStyle);
|
||
}
|
||
|
||
bool
|
||
nsWindow::CheckForRollup(gdouble aMouseX, gdouble aMouseY,
|
||
bool aIsWheel, bool aAlwaysRollup)
|
||
{
|
||
nsIRollupListener* rollupListener = GetActiveRollupListener();
|
||
nsCOMPtr<nsIWidget> rollupWidget;
|
||
if (rollupListener) {
|
||
rollupWidget = rollupListener->GetRollupWidget();
|
||
}
|
||
if (!rollupWidget) {
|
||
nsBaseWidget::gRollupListener = nullptr;
|
||
return false;
|
||
}
|
||
|
||
bool retVal = false;
|
||
auto *currentPopup =
|
||
(GdkWindow *)rollupWidget->GetNativeData(NS_NATIVE_WINDOW);
|
||
if (aAlwaysRollup || !is_mouse_in_window(currentPopup, aMouseX, aMouseY)) {
|
||
bool rollup = true;
|
||
if (aIsWheel) {
|
||
rollup = rollupListener->ShouldRollupOnMouseWheelEvent();
|
||
retVal = rollupListener->ShouldConsumeOnMouseWheelEvent();
|
||
}
|
||
// if we're dealing with menus, we probably have submenus and
|
||
// we don't want to rollup if the click is in a parent menu of
|
||
// the current submenu
|
||
uint32_t popupsToRollup = UINT32_MAX;
|
||
if (!aAlwaysRollup) {
|
||
AutoTArray<nsIWidget*, 5> widgetChain;
|
||
uint32_t sameTypeCount = rollupListener->GetSubmenuWidgetChain(&widgetChain);
|
||
for (uint32_t i=0; i<widgetChain.Length(); ++i) {
|
||
nsIWidget* widget = widgetChain[i];
|
||
auto* currWindow =
|
||
(GdkWindow*) widget->GetNativeData(NS_NATIVE_WINDOW);
|
||
if (is_mouse_in_window(currWindow, aMouseX, aMouseY)) {
|
||
// don't roll up if the mouse event occurred within a
|
||
// menu of the same type. If the mouse event occurred
|
||
// in a menu higher than that, roll up, but pass the
|
||
// number of popups to Rollup so that only those of the
|
||
// same type close up.
|
||
if (i < sameTypeCount) {
|
||
rollup = false;
|
||
}
|
||
else {
|
||
popupsToRollup = sameTypeCount;
|
||
}
|
||
break;
|
||
}
|
||
} // foreach parent menu widget
|
||
} // if rollup listener knows about menus
|
||
|
||
// if we've determined that we should still rollup, do it.
|
||
bool usePoint = !aIsWheel && !aAlwaysRollup;
|
||
IntPoint point = IntPoint::Truncate(aMouseX, aMouseY);
|
||
if (rollup && rollupListener->Rollup(popupsToRollup, true, usePoint ? &point : nullptr, nullptr)) {
|
||
retVal = true;
|
||
}
|
||
}
|
||
return retVal;
|
||
}
|
||
|
||
/* static */
|
||
bool
|
||
nsWindow::DragInProgress(void)
|
||
{
|
||
nsCOMPtr<nsIDragService> dragService = do_GetService(kCDragServiceCID);
|
||
|
||
if (!dragService)
|
||
return false;
|
||
|
||
nsCOMPtr<nsIDragSession> currentDragSession;
|
||
dragService->GetCurrentSession(getter_AddRefs(currentDragSession));
|
||
|
||
return currentDragSession != nullptr;
|
||
}
|
||
|
||
static bool
|
||
is_mouse_in_window (GdkWindow* aWindow, gdouble aMouseX, gdouble aMouseY)
|
||
{
|
||
gint x = 0;
|
||
gint y = 0;
|
||
gint w, h;
|
||
|
||
gint offsetX = 0;
|
||
gint offsetY = 0;
|
||
|
||
GdkWindow *window = aWindow;
|
||
|
||
while (window) {
|
||
gint tmpX = 0;
|
||
gint tmpY = 0;
|
||
|
||
gdk_window_get_position(window, &tmpX, &tmpY);
|
||
GtkWidget *widget = get_gtk_widget_for_gdk_window(window);
|
||
|
||
// if this is a window, compute x and y given its origin and our
|
||
// offset
|
||
if (GTK_IS_WINDOW(widget)) {
|
||
x = tmpX + offsetX;
|
||
y = tmpY + offsetY;
|
||
break;
|
||
}
|
||
|
||
offsetX += tmpX;
|
||
offsetY += tmpY;
|
||
window = gdk_window_get_parent(window);
|
||
}
|
||
|
||
w = gdk_window_get_width(aWindow);
|
||
h = gdk_window_get_height(aWindow);
|
||
|
||
if (aMouseX > x && aMouseX < x + w &&
|
||
aMouseY > y && aMouseY < y + h)
|
||
return true;
|
||
|
||
return false;
|
||
}
|
||
|
||
static nsWindow *
|
||
get_window_for_gtk_widget(GtkWidget *widget)
|
||
{
|
||
gpointer user_data = g_object_get_data(G_OBJECT(widget), "nsWindow");
|
||
|
||
return static_cast<nsWindow *>(user_data);
|
||
}
|
||
|
||
static nsWindow *
|
||
get_window_for_gdk_window(GdkWindow *window)
|
||
{
|
||
gpointer user_data = g_object_get_data(G_OBJECT(window), "nsWindow");
|
||
|
||
return static_cast<nsWindow *>(user_data);
|
||
}
|
||
|
||
static GtkWidget *
|
||
get_gtk_widget_for_gdk_window(GdkWindow *window)
|
||
{
|
||
gpointer user_data = nullptr;
|
||
gdk_window_get_user_data(window, &user_data);
|
||
|
||
return GTK_WIDGET(user_data);
|
||
}
|
||
|
||
static GdkCursor *
|
||
get_gtk_cursor(nsCursor aCursor)
|
||
{
|
||
GdkCursor *gdkcursor = nullptr;
|
||
uint8_t newType = 0xff;
|
||
|
||
if ((gdkcursor = gCursorCache[aCursor])) {
|
||
return gdkcursor;
|
||
}
|
||
|
||
GdkDisplay *defaultDisplay = gdk_display_get_default();
|
||
|
||
// The strategy here is to use standard GDK cursors, and, if not available,
|
||
// load by standard name with gdk_cursor_new_from_name.
|
||
// Spec is here: http://www.freedesktop.org/wiki/Specifications/cursor-spec/
|
||
switch (aCursor) {
|
||
case eCursor_standard:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_LEFT_PTR);
|
||
break;
|
||
case eCursor_wait:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_WATCH);
|
||
break;
|
||
case eCursor_select:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_XTERM);
|
||
break;
|
||
case eCursor_hyperlink:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_HAND2);
|
||
break;
|
||
case eCursor_n_resize:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_TOP_SIDE);
|
||
break;
|
||
case eCursor_s_resize:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_BOTTOM_SIDE);
|
||
break;
|
||
case eCursor_w_resize:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_LEFT_SIDE);
|
||
break;
|
||
case eCursor_e_resize:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_RIGHT_SIDE);
|
||
break;
|
||
case eCursor_nw_resize:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay,
|
||
GDK_TOP_LEFT_CORNER);
|
||
break;
|
||
case eCursor_se_resize:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay,
|
||
GDK_BOTTOM_RIGHT_CORNER);
|
||
break;
|
||
case eCursor_ne_resize:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay,
|
||
GDK_TOP_RIGHT_CORNER);
|
||
break;
|
||
case eCursor_sw_resize:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay,
|
||
GDK_BOTTOM_LEFT_CORNER);
|
||
break;
|
||
case eCursor_crosshair:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_CROSSHAIR);
|
||
break;
|
||
case eCursor_move:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_FLEUR);
|
||
break;
|
||
case eCursor_help:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay,
|
||
GDK_QUESTION_ARROW);
|
||
break;
|
||
case eCursor_copy: // CSS3
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "copy");
|
||
if (!gdkcursor)
|
||
newType = MOZ_CURSOR_COPY;
|
||
break;
|
||
case eCursor_alias:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "alias");
|
||
if (!gdkcursor)
|
||
newType = MOZ_CURSOR_ALIAS;
|
||
break;
|
||
case eCursor_context_menu:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "context-menu");
|
||
if (!gdkcursor)
|
||
newType = MOZ_CURSOR_CONTEXT_MENU;
|
||
break;
|
||
case eCursor_cell:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_PLUS);
|
||
break;
|
||
// Those two aren’t standardized. Trying both KDE’s and GNOME’s names
|
||
case eCursor_grab:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "openhand");
|
||
if (!gdkcursor)
|
||
newType = MOZ_CURSOR_HAND_GRAB;
|
||
break;
|
||
case eCursor_grabbing:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "closedhand");
|
||
if (!gdkcursor)
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "grabbing");
|
||
if (!gdkcursor)
|
||
newType = MOZ_CURSOR_HAND_GRABBING;
|
||
break;
|
||
case eCursor_spinning:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "progress");
|
||
if (!gdkcursor)
|
||
newType = MOZ_CURSOR_SPINNING;
|
||
break;
|
||
case eCursor_zoom_in:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "zoom-in");
|
||
if (!gdkcursor)
|
||
newType = MOZ_CURSOR_ZOOM_IN;
|
||
break;
|
||
case eCursor_zoom_out:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "zoom-out");
|
||
if (!gdkcursor)
|
||
newType = MOZ_CURSOR_ZOOM_OUT;
|
||
break;
|
||
case eCursor_not_allowed:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "not-allowed");
|
||
if (!gdkcursor) // nonstandard, yet common
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "crossed_circle");
|
||
if (!gdkcursor)
|
||
newType = MOZ_CURSOR_NOT_ALLOWED;
|
||
break;
|
||
case eCursor_no_drop:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "no-drop");
|
||
if (!gdkcursor) // this nonstandard sequence makes it work on KDE and GNOME
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "forbidden");
|
||
if (!gdkcursor)
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "circle");
|
||
if (!gdkcursor)
|
||
newType = MOZ_CURSOR_NOT_ALLOWED;
|
||
break;
|
||
case eCursor_vertical_text:
|
||
newType = MOZ_CURSOR_VERTICAL_TEXT;
|
||
break;
|
||
case eCursor_all_scroll:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_FLEUR);
|
||
break;
|
||
case eCursor_nesw_resize:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "size_bdiag");
|
||
if (!gdkcursor)
|
||
newType = MOZ_CURSOR_NESW_RESIZE;
|
||
break;
|
||
case eCursor_nwse_resize:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "size_fdiag");
|
||
if (!gdkcursor)
|
||
newType = MOZ_CURSOR_NWSE_RESIZE;
|
||
break;
|
||
case eCursor_ns_resize:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay,
|
||
GDK_SB_V_DOUBLE_ARROW);
|
||
break;
|
||
case eCursor_ew_resize:
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay,
|
||
GDK_SB_H_DOUBLE_ARROW);
|
||
break;
|
||
// Here, two better fitting cursors exist in some cursor themes. Try those first
|
||
case eCursor_row_resize:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "split_v");
|
||
if (!gdkcursor)
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay,
|
||
GDK_SB_V_DOUBLE_ARROW);
|
||
break;
|
||
case eCursor_col_resize:
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, "split_h");
|
||
if (!gdkcursor)
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay,
|
||
GDK_SB_H_DOUBLE_ARROW);
|
||
break;
|
||
case eCursor_none:
|
||
newType = MOZ_CURSOR_NONE;
|
||
break;
|
||
default:
|
||
NS_ASSERTION(aCursor, "Invalid cursor type");
|
||
gdkcursor = gdk_cursor_new_for_display(defaultDisplay, GDK_LEFT_PTR);
|
||
break;
|
||
}
|
||
|
||
// If by now we don't have a xcursor, this means we have to make a custom
|
||
// one. First, we try creating a named cursor based on the hash of our
|
||
// custom bitmap, as libXcursor has some magic to convert bitmapped cursors
|
||
// to themed cursors
|
||
if (newType != 0xFF && GtkCursors[newType].hash) {
|
||
gdkcursor = gdk_cursor_new_from_name(defaultDisplay, GtkCursors[newType].hash);
|
||
}
|
||
|
||
// If we still don't have a xcursor, we now really create a bitmap cursor
|
||
if (newType != 0xff && !gdkcursor) {
|
||
GdkPixbuf * cursor_pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, 32, 32);
|
||
if (!cursor_pixbuf)
|
||
return nullptr;
|
||
|
||
guchar *data = gdk_pixbuf_get_pixels(cursor_pixbuf);
|
||
|
||
// Read data from GtkCursors and compose RGBA surface from 1bit bitmap and mask
|
||
// GtkCursors bits and mask are 32x32 monochrome bitmaps (1 bit for each pixel)
|
||
// so it's 128 byte array (4 bytes for are one bitmap row and there are 32 rows here).
|
||
const unsigned char *bits = GtkCursors[newType].bits;
|
||
const unsigned char *mask_bits = GtkCursors[newType].mask_bits;
|
||
|
||
for (int i = 0; i < 128; i++) {
|
||
char bit = *bits++;
|
||
char mask = *mask_bits++;
|
||
for (int j = 0; j < 8; j++) {
|
||
unsigned char pix = ~(((bit >> j) & 0x01) * 0xff);
|
||
*data++ = pix;
|
||
*data++ = pix;
|
||
*data++ = pix;
|
||
*data++ = (((mask >> j) & 0x01) * 0xff);
|
||
}
|
||
}
|
||
|
||
gdkcursor = gdk_cursor_new_from_pixbuf(gdk_display_get_default(), cursor_pixbuf,
|
||
GtkCursors[newType].hot_x,
|
||
GtkCursors[newType].hot_y);
|
||
|
||
g_object_unref(cursor_pixbuf);
|
||
}
|
||
|
||
gCursorCache[aCursor] = gdkcursor;
|
||
|
||
return gdkcursor;
|
||
}
|
||
|
||
// gtk callbacks
|
||
|
||
void
|
||
draw_window_of_widget(GtkWidget *widget, GdkWindow *aWindow, cairo_t *cr)
|
||
{
|
||
if (gtk_cairo_should_draw_window(cr, aWindow)) {
|
||
RefPtr<nsWindow> window = get_window_for_gdk_window(aWindow);
|
||
if (!window) {
|
||
NS_WARNING("Cannot get nsWindow from GtkWidget");
|
||
}
|
||
else {
|
||
cairo_save(cr);
|
||
gtk_cairo_transform_to_window(cr, widget, aWindow);
|
||
// TODO - window->OnExposeEvent() can destroy this or other windows,
|
||
// do we need to handle it somehow?
|
||
window->OnExposeEvent(cr);
|
||
cairo_restore(cr);
|
||
}
|
||
}
|
||
|
||
GList *children = gdk_window_get_children(aWindow);
|
||
GList *child = children;
|
||
while (child) {
|
||
GdkWindow *window = GDK_WINDOW(child->data);
|
||
gpointer windowWidget;
|
||
gdk_window_get_user_data(window, &windowWidget);
|
||
if (windowWidget == widget) {
|
||
draw_window_of_widget(widget, window, cr);
|
||
}
|
||
child = g_list_next(child);
|
||
}
|
||
g_list_free(children);
|
||
}
|
||
|
||
/* static */
|
||
gboolean
|
||
expose_event_cb(GtkWidget *widget, cairo_t *cr)
|
||
{
|
||
draw_window_of_widget(widget, gtk_widget_get_window(widget), cr);
|
||
|
||
// A strong reference is already held during "draw" signal emission,
|
||
// but GTK+ 3.4 wants the object to live a little longer than that
|
||
// (bug 1225970).
|
||
g_object_ref(widget);
|
||
g_idle_add(
|
||
[](gpointer data) -> gboolean {
|
||
g_object_unref(data);
|
||
return G_SOURCE_REMOVE;
|
||
},
|
||
widget);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
configure_event_cb(GtkWidget *widget,
|
||
GdkEventConfigure *event)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
return window->OnConfigureEvent(widget, event);
|
||
}
|
||
|
||
static void
|
||
container_unrealize_cb (GtkWidget *widget)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
|
||
if (!window)
|
||
return;
|
||
|
||
window->OnContainerUnrealize();
|
||
}
|
||
|
||
static void
|
||
size_allocate_cb (GtkWidget *widget, GtkAllocation *allocation)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
|
||
if (!window)
|
||
return;
|
||
|
||
window->OnSizeAllocate(allocation);
|
||
}
|
||
|
||
static gboolean
|
||
delete_event_cb(GtkWidget *widget, GdkEventAny *event)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
window->OnDeleteEvent();
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
enter_notify_event_cb(GtkWidget *widget,
|
||
GdkEventCrossing *event)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gdk_window(event->window);
|
||
if (!window)
|
||
return TRUE;
|
||
|
||
window->OnEnterNotifyEvent(event);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
leave_notify_event_cb(GtkWidget *widget,
|
||
GdkEventCrossing *event)
|
||
{
|
||
if (is_parent_grab_leave(event)) {
|
||
return TRUE;
|
||
}
|
||
|
||
// bug 369599: Suppress LeaveNotify events caused by pointer grabs to
|
||
// avoid generating spurious mouse exit events.
|
||
auto x = gint(event->x_root);
|
||
auto y = gint(event->y_root);
|
||
GdkDisplay* display = gtk_widget_get_display(widget);
|
||
GdkWindow* winAtPt = gdk_display_get_window_at_pointer(display, &x, &y);
|
||
if (winAtPt == event->window) {
|
||
return TRUE;
|
||
}
|
||
|
||
RefPtr<nsWindow> window = get_window_for_gdk_window(event->window);
|
||
if (!window)
|
||
return TRUE;
|
||
|
||
window->OnLeaveNotifyEvent(event);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static nsWindow*
|
||
GetFirstNSWindowForGDKWindow(GdkWindow *aGdkWindow)
|
||
{
|
||
nsWindow* window;
|
||
while (!(window = get_window_for_gdk_window(aGdkWindow))) {
|
||
// The event has bubbled to the moz_container widget as passed into each caller's *widget parameter,
|
||
// but its corresponding nsWindow is an ancestor of the window that we need. Instead, look at
|
||
// event->window and find the first ancestor nsWindow of it because event->window may be in a plugin.
|
||
aGdkWindow = gdk_window_get_parent(aGdkWindow);
|
||
if (!aGdkWindow) {
|
||
window = nullptr;
|
||
break;
|
||
}
|
||
}
|
||
return window;
|
||
}
|
||
|
||
static gboolean
|
||
motion_notify_event_cb(GtkWidget *widget, GdkEventMotion *event)
|
||
{
|
||
UpdateLastInputEventTime(event);
|
||
|
||
nsWindow *window = GetFirstNSWindowForGDKWindow(event->window);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
window->OnMotionNotifyEvent(event);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
button_press_event_cb(GtkWidget *widget, GdkEventButton *event)
|
||
{
|
||
UpdateLastInputEventTime(event);
|
||
|
||
nsWindow *window = GetFirstNSWindowForGDKWindow(event->window);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
window->OnButtonPressEvent(event);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
button_release_event_cb(GtkWidget *widget, GdkEventButton *event)
|
||
{
|
||
UpdateLastInputEventTime(event);
|
||
|
||
nsWindow *window = GetFirstNSWindowForGDKWindow(event->window);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
window->OnButtonReleaseEvent(event);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
focus_in_event_cb(GtkWidget *widget, GdkEventFocus *event)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
window->OnContainerFocusInEvent(event);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static gboolean
|
||
focus_out_event_cb(GtkWidget *widget, GdkEventFocus *event)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
window->OnContainerFocusOutEvent(event);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
#ifdef MOZ_X11
|
||
// For long-lived popup windows that don't really take focus themselves but
|
||
// may have elements that accept keyboard input when the parent window is
|
||
// active, focus is handled specially. These windows include noautohide
|
||
// panels. (This special handling is not necessary for temporary popups where
|
||
// the keyboard is grabbed.)
|
||
//
|
||
// Mousing over or clicking on these windows should not cause them to steal
|
||
// focus from their parent windows, so, the input field of WM_HINTS is set to
|
||
// False to request that the window manager not set the input focus to this
|
||
// window. http://tronche.com/gui/x/icccm/sec-4.html#s-4.1.7
|
||
//
|
||
// However, these windows can still receive WM_TAKE_FOCUS messages from the
|
||
// window manager, so they can still detect when the user has indicated that
|
||
// they wish to direct keyboard input at these windows. When the window
|
||
// manager offers focus to these windows (after a mouse over or click, for
|
||
// example), a request to make the parent window active is issued. When the
|
||
// parent window becomes active, keyboard events will be received.
|
||
|
||
static GdkFilterReturn
|
||
popup_take_focus_filter(GdkXEvent *gdk_xevent,
|
||
GdkEvent *event,
|
||
gpointer data)
|
||
{
|
||
auto* xevent = static_cast<XEvent*>(gdk_xevent);
|
||
if (xevent->type != ClientMessage)
|
||
return GDK_FILTER_CONTINUE;
|
||
|
||
XClientMessageEvent& xclient = xevent->xclient;
|
||
if (xclient.message_type != gdk_x11_get_xatom_by_name("WM_PROTOCOLS"))
|
||
return GDK_FILTER_CONTINUE;
|
||
|
||
Atom atom = xclient.data.l[0];
|
||
if (atom != gdk_x11_get_xatom_by_name("WM_TAKE_FOCUS"))
|
||
return GDK_FILTER_CONTINUE;
|
||
|
||
guint32 timestamp = xclient.data.l[1];
|
||
|
||
GtkWidget* widget = get_gtk_widget_for_gdk_window(event->any.window);
|
||
if (!widget)
|
||
return GDK_FILTER_CONTINUE;
|
||
|
||
GtkWindow* parent = gtk_window_get_transient_for(GTK_WINDOW(widget));
|
||
if (!parent)
|
||
return GDK_FILTER_CONTINUE;
|
||
|
||
if (gtk_window_is_active(parent))
|
||
return GDK_FILTER_REMOVE; // leave input focus on the parent
|
||
|
||
GdkWindow* parent_window = gtk_widget_get_window(GTK_WIDGET(parent));
|
||
if (!parent_window)
|
||
return GDK_FILTER_CONTINUE;
|
||
|
||
// In case the parent has not been deconified.
|
||
gdk_window_show_unraised(parent_window);
|
||
|
||
// Request focus on the parent window.
|
||
// Use gdk_window_focus rather than gtk_window_present to avoid
|
||
// raising the parent window.
|
||
gdk_window_focus(parent_window, timestamp);
|
||
return GDK_FILTER_REMOVE;
|
||
}
|
||
#endif /* MOZ_X11 */
|
||
|
||
static gboolean
|
||
key_press_event_cb(GtkWidget *widget, GdkEventKey *event)
|
||
{
|
||
LOG(("key_press_event_cb\n"));
|
||
|
||
UpdateLastInputEventTime(event);
|
||
|
||
// find the window with focus and dispatch this event to that widget
|
||
nsWindow *window = get_window_for_gtk_widget(widget);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
RefPtr<nsWindow> focusWindow = gFocusWindow ? gFocusWindow : window;
|
||
|
||
#ifdef MOZ_X11
|
||
// Keyboard repeat can cause key press events to queue up when there are
|
||
// slow event handlers (bug 301029). Throttle these events by removing
|
||
// consecutive pending duplicate KeyPress events to the same window.
|
||
// We use the event time of the last one.
|
||
// Note: GDK calls XkbSetDetectableAutorepeat so that KeyRelease events
|
||
// are generated only when the key is physically released.
|
||
#define NS_GDKEVENT_MATCH_MASK 0x1FFF /* GDK_SHIFT_MASK .. GDK_BUTTON5_MASK */
|
||
GdkDisplay* gdkDisplay = gtk_widget_get_display(widget);
|
||
if (GDK_IS_X11_DISPLAY(gdkDisplay)) {
|
||
Display* dpy = GDK_DISPLAY_XDISPLAY(gdkDisplay);
|
||
while (XPending(dpy)) {
|
||
XEvent next_event;
|
||
XPeekEvent(dpy, &next_event);
|
||
GdkWindow* nextGdkWindow =
|
||
gdk_x11_window_lookup_for_display(gdkDisplay, next_event.xany.window);
|
||
if (nextGdkWindow != event->window ||
|
||
next_event.type != KeyPress ||
|
||
next_event.xkey.keycode != event->hardware_keycode ||
|
||
next_event.xkey.state != (event->state & NS_GDKEVENT_MATCH_MASK)) {
|
||
break;
|
||
}
|
||
XNextEvent(dpy, &next_event);
|
||
event->time = next_event.xkey.time;
|
||
}
|
||
}
|
||
#endif
|
||
|
||
return focusWindow->OnKeyPressEvent(event);
|
||
}
|
||
|
||
static gboolean
|
||
key_release_event_cb(GtkWidget *widget, GdkEventKey *event)
|
||
{
|
||
LOG(("key_release_event_cb\n"));
|
||
|
||
UpdateLastInputEventTime(event);
|
||
|
||
// find the window with focus and dispatch this event to that widget
|
||
nsWindow *window = get_window_for_gtk_widget(widget);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
RefPtr<nsWindow> focusWindow = gFocusWindow ? gFocusWindow : window;
|
||
|
||
return focusWindow->OnKeyReleaseEvent(event);
|
||
}
|
||
|
||
static gboolean
|
||
property_notify_event_cb(GtkWidget* aWidget, GdkEventProperty* aEvent)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gdk_window(aEvent->window);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
return window->OnPropertyNotifyEvent(aWidget, aEvent);
|
||
}
|
||
|
||
static gboolean
|
||
scroll_event_cb(GtkWidget *widget, GdkEventScroll *event)
|
||
{
|
||
nsWindow *window = GetFirstNSWindowForGDKWindow(event->window);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
window->OnScrollEvent(event);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static gboolean
|
||
visibility_notify_event_cb (GtkWidget *widget, GdkEventVisibility *event)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gdk_window(event->window);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
window->OnVisibilityNotifyEvent(event);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void
|
||
hierarchy_changed_cb (GtkWidget *widget,
|
||
GtkWidget *previous_toplevel)
|
||
{
|
||
GtkWidget *toplevel = gtk_widget_get_toplevel(widget);
|
||
GdkWindowState old_window_state = GDK_WINDOW_STATE_WITHDRAWN;
|
||
GdkEventWindowState event;
|
||
|
||
event.new_window_state = GDK_WINDOW_STATE_WITHDRAWN;
|
||
|
||
if (GTK_IS_WINDOW(previous_toplevel)) {
|
||
g_signal_handlers_disconnect_by_func(previous_toplevel,
|
||
FuncToGpointer(window_state_event_cb),
|
||
widget);
|
||
GdkWindow *win = gtk_widget_get_window(previous_toplevel);
|
||
if (win) {
|
||
old_window_state = gdk_window_get_state(win);
|
||
}
|
||
}
|
||
|
||
if (GTK_IS_WINDOW(toplevel)) {
|
||
g_signal_connect_swapped(toplevel, "window-state-event",
|
||
G_CALLBACK(window_state_event_cb), widget);
|
||
GdkWindow *win = gtk_widget_get_window(toplevel);
|
||
if (win) {
|
||
event.new_window_state = gdk_window_get_state(win);
|
||
}
|
||
}
|
||
|
||
event.changed_mask = static_cast<GdkWindowState>
|
||
(old_window_state ^ event.new_window_state);
|
||
|
||
if (event.changed_mask) {
|
||
event.type = GDK_WINDOW_STATE;
|
||
event.window = nullptr;
|
||
event.send_event = TRUE;
|
||
window_state_event_cb(widget, &event);
|
||
}
|
||
}
|
||
|
||
static gboolean
|
||
window_state_event_cb (GtkWidget *widget, GdkEventWindowState *event)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
window->OnWindowStateEvent(widget, event);
|
||
|
||
return FALSE;
|
||
}
|
||
|
||
static void
|
||
theme_changed_cb (GtkSettings *settings, GParamSpec *pspec, nsWindow *data)
|
||
{
|
||
RefPtr<nsWindow> window = data;
|
||
window->ThemeChanged();
|
||
}
|
||
|
||
static void
|
||
check_resize_cb (GtkContainer* container, gpointer user_data)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(GTK_WIDGET(container));
|
||
if (!window) {
|
||
return;
|
||
}
|
||
window->OnCheckResize();
|
||
}
|
||
|
||
static void
|
||
screen_composited_changed_cb (GdkScreen* screen, gpointer user_data)
|
||
{
|
||
// This callback can run before gfxPlatform::Init() in rare
|
||
// cases involving the profile manager. When this happens,
|
||
// we have no reason to reset any compositors as graphics
|
||
// hasn't been initialized yet.
|
||
if (GPUProcessManager::Get()) {
|
||
GPUProcessManager::Get()->ResetCompositors();
|
||
}
|
||
}
|
||
|
||
static void
|
||
widget_composited_changed_cb (GtkWidget* widget, gpointer user_data)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
|
||
if (!window) {
|
||
return;
|
||
}
|
||
window->OnCompositedChanged();
|
||
}
|
||
|
||
static void
|
||
scale_changed_cb (GtkWidget* widget, GParamSpec* aPSpec, gpointer aPointer)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(widget);
|
||
if (!window) {
|
||
return;
|
||
}
|
||
// This eventually propagate new scale to the PuppetWidgets
|
||
window->OnDPIChanged();
|
||
|
||
// configure_event is already fired before scale-factor signal,
|
||
// but size-allocate isn't fired by changing scale
|
||
GtkAllocation allocation;
|
||
gtk_widget_get_allocation(widget, &allocation);
|
||
window->OnSizeAllocate(&allocation);
|
||
}
|
||
|
||
#if GTK_CHECK_VERSION(3,4,0)
|
||
static gboolean
|
||
touch_event_cb(GtkWidget* aWidget, GdkEventTouch* aEvent)
|
||
{
|
||
UpdateLastInputEventTime(aEvent);
|
||
|
||
nsWindow* window = GetFirstNSWindowForGDKWindow(aEvent->window);
|
||
if (!window) {
|
||
return FALSE;
|
||
}
|
||
|
||
return window->OnTouchEvent(aEvent);
|
||
}
|
||
#endif
|
||
|
||
//////////////////////////////////////////////////////////////////////
|
||
// These are all of our drag and drop operations
|
||
|
||
void
|
||
nsWindow::InitDragEvent(WidgetDragEvent &aEvent)
|
||
{
|
||
// set the keyboard modifiers
|
||
guint modifierState = KeymapWrapper::GetCurrentModifierState();
|
||
KeymapWrapper::InitInputEvent(aEvent, modifierState);
|
||
}
|
||
|
||
gboolean
|
||
WindowDragMotionHandler(GtkWidget *aWidget,
|
||
GdkDragContext *aDragContext,
|
||
nsWaylandDragContext *aWaylandDragContext,
|
||
gint aX,
|
||
gint aY,
|
||
guint aTime)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(aWidget);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
// figure out which internal widget this drag motion actually happened on
|
||
nscoord retx = 0;
|
||
nscoord rety = 0;
|
||
|
||
GdkWindow *innerWindow =
|
||
get_inner_gdk_window(gtk_widget_get_window(aWidget), aX, aY,
|
||
&retx, &rety);
|
||
RefPtr<nsWindow> innerMostWindow = get_window_for_gdk_window(innerWindow);
|
||
|
||
if (!innerMostWindow) {
|
||
innerMostWindow = window;
|
||
}
|
||
|
||
LOGDRAG(("nsWindow drag-motion signal for %p\n", (void*)innerMostWindow));
|
||
|
||
LayoutDeviceIntPoint point = window->GdkPointToDevicePixels({ retx, rety });
|
||
|
||
RefPtr<nsDragService> dragService = nsDragService::GetInstance();
|
||
return dragService->
|
||
ScheduleMotionEvent(innerMostWindow, aDragContext, aWaylandDragContext,
|
||
point, aTime);
|
||
}
|
||
|
||
static gboolean
|
||
drag_motion_event_cb(GtkWidget *aWidget,
|
||
GdkDragContext *aDragContext,
|
||
gint aX,
|
||
gint aY,
|
||
guint aTime,
|
||
gpointer aData)
|
||
{
|
||
return WindowDragMotionHandler(aWidget, aDragContext, nullptr,
|
||
aX, aY, aTime);
|
||
}
|
||
|
||
void
|
||
WindowDragLeaveHandler(GtkWidget *aWidget)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(aWidget);
|
||
if (!window)
|
||
return;
|
||
|
||
RefPtr<nsDragService> dragService = nsDragService::GetInstance();
|
||
|
||
nsWindow *mostRecentDragWindow = dragService->GetMostRecentDestWindow();
|
||
if (!mostRecentDragWindow) {
|
||
// This can happen when the target will not accept a drop. A GTK drag
|
||
// source sends the leave message to the destination before the
|
||
// drag-failed signal on the source widget, but the leave message goes
|
||
// via the X server, and so doesn't get processed at least until the
|
||
// event loop runs again.
|
||
return;
|
||
}
|
||
|
||
GtkWidget *mozContainer = mostRecentDragWindow->GetMozContainerWidget();
|
||
if (aWidget != mozContainer)
|
||
{
|
||
// When the drag moves between widgets, GTK can send leave signal for
|
||
// the old widget after the motion or drop signal for the new widget.
|
||
// We'll send the leave event when the motion or drop event is run.
|
||
return;
|
||
}
|
||
|
||
LOGDRAG(("nsWindow drag-leave signal for %p\n",
|
||
(void*)mostRecentDragWindow));
|
||
|
||
dragService->ScheduleLeaveEvent();
|
||
}
|
||
|
||
static void
|
||
drag_leave_event_cb(GtkWidget *aWidget,
|
||
GdkDragContext *aDragContext,
|
||
guint aTime,
|
||
gpointer aData)
|
||
{
|
||
WindowDragLeaveHandler(aWidget);
|
||
}
|
||
|
||
gboolean
|
||
WindowDragDropHandler(GtkWidget *aWidget,
|
||
GdkDragContext *aDragContext,
|
||
nsWaylandDragContext *aWaylandDragContext,
|
||
gint aX,
|
||
gint aY,
|
||
guint aTime)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(aWidget);
|
||
if (!window)
|
||
return FALSE;
|
||
|
||
// figure out which internal widget this drag motion actually happened on
|
||
nscoord retx = 0;
|
||
nscoord rety = 0;
|
||
|
||
GdkWindow *innerWindow =
|
||
get_inner_gdk_window(gtk_widget_get_window(aWidget), aX, aY,
|
||
&retx, &rety);
|
||
RefPtr<nsWindow> innerMostWindow = get_window_for_gdk_window(innerWindow);
|
||
|
||
if (!innerMostWindow) {
|
||
innerMostWindow = window;
|
||
}
|
||
|
||
LOGDRAG(("nsWindow drag-drop signal for %p\n", (void*)innerMostWindow));
|
||
|
||
LayoutDeviceIntPoint point = window->GdkPointToDevicePixels({ retx, rety });
|
||
|
||
RefPtr<nsDragService> dragService = nsDragService::GetInstance();
|
||
return dragService->
|
||
ScheduleDropEvent(innerMostWindow, aDragContext, aWaylandDragContext,
|
||
point, aTime);
|
||
}
|
||
|
||
static gboolean
|
||
drag_drop_event_cb(GtkWidget *aWidget,
|
||
GdkDragContext *aDragContext,
|
||
gint aX,
|
||
gint aY,
|
||
guint aTime,
|
||
gpointer aData)
|
||
{
|
||
return WindowDragDropHandler(aWidget, aDragContext, nullptr, aX, aY, aTime);
|
||
}
|
||
|
||
static void
|
||
drag_data_received_event_cb(GtkWidget *aWidget,
|
||
GdkDragContext *aDragContext,
|
||
gint aX,
|
||
gint aY,
|
||
GtkSelectionData *aSelectionData,
|
||
guint aInfo,
|
||
guint aTime,
|
||
gpointer aData)
|
||
{
|
||
RefPtr<nsWindow> window = get_window_for_gtk_widget(aWidget);
|
||
if (!window)
|
||
return;
|
||
|
||
window->OnDragDataReceivedEvent(aWidget,
|
||
aDragContext,
|
||
aX, aY,
|
||
aSelectionData,
|
||
aInfo, aTime, aData);
|
||
}
|
||
|
||
static nsresult
|
||
initialize_prefs(void)
|
||
{
|
||
gRaiseWindows =
|
||
Preferences::GetBool("mozilla.widget.raise-on-setfocus", true);
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
static GdkWindow *
|
||
get_inner_gdk_window (GdkWindow *aWindow,
|
||
gint x, gint y,
|
||
gint *retx, gint *rety)
|
||
{
|
||
gint cx, cy, cw, ch;
|
||
GList *children = gdk_window_peek_children(aWindow);
|
||
for (GList *child = g_list_last(children);
|
||
child;
|
||
child = g_list_previous(child)) {
|
||
auto *childWindow = (GdkWindow *) child->data;
|
||
if (get_window_for_gdk_window(childWindow)) {
|
||
gdk_window_get_geometry(childWindow, &cx, &cy, &cw, &ch);
|
||
if ((cx < x) && (x < (cx + cw)) &&
|
||
(cy < y) && (y < (cy + ch)) &&
|
||
gdk_window_is_visible(childWindow)) {
|
||
return get_inner_gdk_window(childWindow,
|
||
x - cx, y - cy,
|
||
retx, rety);
|
||
}
|
||
}
|
||
}
|
||
*retx = x;
|
||
*rety = y;
|
||
return aWindow;
|
||
}
|
||
|
||
static int
|
||
is_parent_ungrab_enter(GdkEventCrossing *aEvent)
|
||
{
|
||
return (GDK_CROSSING_UNGRAB == aEvent->mode) &&
|
||
((GDK_NOTIFY_ANCESTOR == aEvent->detail) ||
|
||
(GDK_NOTIFY_VIRTUAL == aEvent->detail));
|
||
|
||
}
|
||
|
||
static int
|
||
is_parent_grab_leave(GdkEventCrossing *aEvent)
|
||
{
|
||
return (GDK_CROSSING_GRAB == aEvent->mode) &&
|
||
((GDK_NOTIFY_ANCESTOR == aEvent->detail) ||
|
||
(GDK_NOTIFY_VIRTUAL == aEvent->detail));
|
||
}
|
||
|
||
#ifdef ACCESSIBILITY
|
||
void
|
||
nsWindow::CreateRootAccessible()
|
||
{
|
||
if (mIsTopLevel && !mRootAccessible) {
|
||
LOG(("nsWindow:: Create Toplevel Accessibility\n"));
|
||
mRootAccessible = GetRootAccessible();
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::DispatchEventToRootAccessible(uint32_t aEventType)
|
||
{
|
||
if (!a11y::ShouldA11yBeEnabled()) {
|
||
return;
|
||
}
|
||
|
||
nsAccessibilityService* accService = GetOrCreateAccService();
|
||
if (!accService) {
|
||
return;
|
||
}
|
||
|
||
// Get the root document accessible and fire event to it.
|
||
a11y::Accessible* acc = GetRootAccessible();
|
||
if (acc) {
|
||
accService->FireAccessibleEvent(aEventType, acc);
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::DispatchActivateEventAccessible(void)
|
||
{
|
||
DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_ACTIVATE);
|
||
}
|
||
|
||
void
|
||
nsWindow::DispatchDeactivateEventAccessible(void)
|
||
{
|
||
DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_DEACTIVATE);
|
||
}
|
||
|
||
void
|
||
nsWindow::DispatchMaximizeEventAccessible(void)
|
||
{
|
||
DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_MAXIMIZE);
|
||
}
|
||
|
||
void
|
||
nsWindow::DispatchMinimizeEventAccessible(void)
|
||
{
|
||
DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_MINIMIZE);
|
||
}
|
||
|
||
void
|
||
nsWindow::DispatchRestoreEventAccessible(void)
|
||
{
|
||
DispatchEventToRootAccessible(nsIAccessibleEvent::EVENT_WINDOW_RESTORE);
|
||
}
|
||
|
||
#endif /* #ifdef ACCESSIBILITY */
|
||
|
||
void
|
||
nsWindow::SetInputContext(const InputContext& aContext,
|
||
const InputContextAction& aAction)
|
||
{
|
||
if (!mIMContext) {
|
||
return;
|
||
}
|
||
mIMContext->SetInputContext(this, &aContext, &aAction);
|
||
}
|
||
|
||
InputContext
|
||
nsWindow::GetInputContext()
|
||
{
|
||
InputContext context;
|
||
if (!mIMContext) {
|
||
context.mIMEState.mEnabled = IMEState::DISABLED;
|
||
context.mIMEState.mOpen = IMEState::OPEN_STATE_NOT_SUPPORTED;
|
||
} else {
|
||
context = mIMContext->GetInputContext();
|
||
}
|
||
return context;
|
||
}
|
||
|
||
TextEventDispatcherListener*
|
||
nsWindow::GetNativeTextEventDispatcherListener()
|
||
{
|
||
if (NS_WARN_IF(!mIMContext)) {
|
||
return nullptr;
|
||
}
|
||
return mIMContext;
|
||
}
|
||
|
||
void
|
||
nsWindow::GetEditCommandsRemapped(NativeKeyBindingsType aType,
|
||
const WidgetKeyboardEvent& aEvent,
|
||
nsTArray<CommandInt>& aCommands,
|
||
uint32_t aGeckoKeyCode,
|
||
uint32_t aNativeKeyCode)
|
||
{
|
||
// If aEvent.mNativeKeyEvent is nullptr, the event was created by chrome
|
||
// script. In such case, we shouldn't expose the OS settings to it.
|
||
// So, just ignore such events here.
|
||
if (!aEvent.mNativeKeyEvent) {
|
||
return;
|
||
}
|
||
WidgetKeyboardEvent modifiedEvent(aEvent);
|
||
modifiedEvent.mKeyCode = aGeckoKeyCode;
|
||
static_cast<GdkEventKey*>(modifiedEvent.mNativeKeyEvent)->keyval =
|
||
aNativeKeyCode;
|
||
|
||
NativeKeyBindings* keyBindings = NativeKeyBindings::GetInstance(aType);
|
||
keyBindings->GetEditCommands(modifiedEvent, aCommands);
|
||
}
|
||
|
||
void
|
||
nsWindow::GetEditCommands(NativeKeyBindingsType aType,
|
||
const WidgetKeyboardEvent& aEvent,
|
||
nsTArray<CommandInt>& aCommands)
|
||
{
|
||
// Validate the arguments.
|
||
nsIWidget::GetEditCommands(aType, aEvent, aCommands);
|
||
|
||
if (aEvent.mKeyCode >= NS_VK_LEFT && aEvent.mKeyCode <= NS_VK_DOWN) {
|
||
// Check if we're targeting content with vertical writing mode,
|
||
// and if so remap the arrow keys.
|
||
// XXX This may be expensive.
|
||
WidgetQueryContentEvent query(true, eQuerySelectedText, this);
|
||
nsEventStatus status;
|
||
DispatchEvent(&query, status);
|
||
|
||
if (query.mSucceeded && query.mReply.mWritingMode.IsVertical()) {
|
||
uint32_t geckoCode = 0;
|
||
uint32_t gdkCode = 0;
|
||
switch (aEvent.mKeyCode) {
|
||
case NS_VK_LEFT:
|
||
if (query.mReply.mWritingMode.IsVerticalLR()) {
|
||
geckoCode = NS_VK_UP;
|
||
gdkCode = GDK_Up;
|
||
} else {
|
||
geckoCode = NS_VK_DOWN;
|
||
gdkCode = GDK_Down;
|
||
}
|
||
break;
|
||
|
||
case NS_VK_RIGHT:
|
||
if (query.mReply.mWritingMode.IsVerticalLR()) {
|
||
geckoCode = NS_VK_DOWN;
|
||
gdkCode = GDK_Down;
|
||
} else {
|
||
geckoCode = NS_VK_UP;
|
||
gdkCode = GDK_Up;
|
||
}
|
||
break;
|
||
|
||
case NS_VK_UP:
|
||
geckoCode = NS_VK_LEFT;
|
||
gdkCode = GDK_Left;
|
||
break;
|
||
|
||
case NS_VK_DOWN:
|
||
geckoCode = NS_VK_RIGHT;
|
||
gdkCode = GDK_Right;
|
||
break;
|
||
}
|
||
|
||
GetEditCommandsRemapped(aType, aEvent, aCommands,
|
||
geckoCode, gdkCode);
|
||
return;
|
||
}
|
||
}
|
||
|
||
NativeKeyBindings* keyBindings = NativeKeyBindings::GetInstance(aType);
|
||
keyBindings->GetEditCommands(aEvent, aCommands);
|
||
}
|
||
|
||
already_AddRefed<DrawTarget>
|
||
nsWindow::StartRemoteDrawingInRegion(LayoutDeviceIntRegion& aInvalidRegion, BufferMode* aBufferMode)
|
||
{
|
||
return mSurfaceProvider.StartRemoteDrawingInRegion(aInvalidRegion, aBufferMode);
|
||
}
|
||
|
||
void
|
||
nsWindow::EndRemoteDrawingInRegion(DrawTarget* aDrawTarget,
|
||
LayoutDeviceIntRegion& aInvalidRegion)
|
||
{
|
||
mSurfaceProvider.EndRemoteDrawingInRegion(aDrawTarget, aInvalidRegion);
|
||
}
|
||
|
||
// Code shared begin BeginMoveDrag and BeginResizeDrag
|
||
bool
|
||
nsWindow::GetDragInfo(WidgetMouseEvent* aMouseEvent,
|
||
GdkWindow** aWindow, gint* aButton,
|
||
gint* aRootX, gint* aRootY)
|
||
{
|
||
if (aMouseEvent->button != WidgetMouseEvent::eLeftButton) {
|
||
// we can only begin a move drag with the left mouse button
|
||
return false;
|
||
}
|
||
*aButton = 1;
|
||
|
||
// get the gdk window for this widget
|
||
GdkWindow* gdk_window = mGdkWindow;
|
||
if (!gdk_window) {
|
||
return false;
|
||
}
|
||
#ifdef DEBUG
|
||
// GDK_IS_WINDOW(...) expands to a statement-expression, and
|
||
// statement-expressions are not allowed in template-argument lists. So we
|
||
// have to make the MOZ_ASSERT condition indirect.
|
||
if (!GDK_IS_WINDOW(gdk_window)) {
|
||
MOZ_ASSERT(false, "must really be window");
|
||
}
|
||
#endif
|
||
|
||
// find the top-level window
|
||
gdk_window = gdk_window_get_toplevel(gdk_window);
|
||
MOZ_ASSERT(gdk_window,
|
||
"gdk_window_get_toplevel should not return null");
|
||
*aWindow = gdk_window;
|
||
|
||
if (!aMouseEvent->mWidget) {
|
||
return false;
|
||
}
|
||
|
||
if (mIsX11Display) {
|
||
// Workaround for https://bugzilla.gnome.org/show_bug.cgi?id=789054
|
||
// To avoid crashes disable double-click on WM without _NET_WM_MOVERESIZE.
|
||
// See _should_perform_ewmh_drag() at gdkwindow-x11.c
|
||
GdkScreen* screen = gdk_window_get_screen(gdk_window);
|
||
GdkAtom atom = gdk_atom_intern("_NET_WM_MOVERESIZE", FALSE);
|
||
if (!gdk_x11_screen_supports_net_wm_hint(screen, atom)) {
|
||
static unsigned int lastTimeStamp = 0;
|
||
if (lastTimeStamp != aMouseEvent->mTime) {
|
||
lastTimeStamp = aMouseEvent->mTime;
|
||
} else {
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
// FIXME: It would be nice to have the widget position at the time
|
||
// of the event, but it's relatively unlikely that the widget has
|
||
// moved since the mousedown. (On the other hand, it's quite likely
|
||
// that the mouse has moved, which is why we use the mouse position
|
||
// from the event.)
|
||
LayoutDeviceIntPoint offset = aMouseEvent->mWidget->WidgetToScreenOffset();
|
||
*aRootX = aMouseEvent->mRefPoint.x + offset.x;
|
||
*aRootY = aMouseEvent->mRefPoint.y + offset.y;
|
||
|
||
return true;
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::BeginMoveDrag(WidgetMouseEvent* aEvent)
|
||
{
|
||
MOZ_ASSERT(aEvent, "must have event");
|
||
MOZ_ASSERT(aEvent->mClass == eMouseEventClass,
|
||
"event must have correct struct type");
|
||
|
||
GdkWindow *gdk_window;
|
||
gint button, screenX, screenY;
|
||
if (!GetDragInfo(aEvent, &gdk_window, &button, &screenX, &screenY)) {
|
||
return NS_ERROR_FAILURE;
|
||
}
|
||
|
||
// tell the window manager to start the move
|
||
screenX = DevicePixelsToGdkCoordRoundDown(screenX);
|
||
screenY = DevicePixelsToGdkCoordRoundDown(screenY);
|
||
gdk_window_begin_move_drag(gdk_window, button, screenX, screenY,
|
||
aEvent->mTime);
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::BeginResizeDrag(WidgetGUIEvent* aEvent,
|
||
int32_t aHorizontal,
|
||
int32_t aVertical)
|
||
{
|
||
NS_ENSURE_ARG_POINTER(aEvent);
|
||
|
||
if (aEvent->mClass != eMouseEventClass) {
|
||
// you can only begin a resize drag with a mouse event
|
||
return NS_ERROR_INVALID_ARG;
|
||
}
|
||
|
||
GdkWindow *gdk_window;
|
||
gint button, screenX, screenY;
|
||
if (!GetDragInfo(aEvent->AsMouseEvent(), &gdk_window, &button,
|
||
&screenX, &screenY)) {
|
||
return NS_ERROR_FAILURE;
|
||
}
|
||
|
||
// work out what GdkWindowEdge we're talking about
|
||
GdkWindowEdge window_edge;
|
||
if (aVertical < 0) {
|
||
if (aHorizontal < 0) {
|
||
window_edge = GDK_WINDOW_EDGE_NORTH_WEST;
|
||
} else if (aHorizontal == 0) {
|
||
window_edge = GDK_WINDOW_EDGE_NORTH;
|
||
} else {
|
||
window_edge = GDK_WINDOW_EDGE_NORTH_EAST;
|
||
}
|
||
} else if (aVertical == 0) {
|
||
if (aHorizontal < 0) {
|
||
window_edge = GDK_WINDOW_EDGE_WEST;
|
||
} else if (aHorizontal == 0) {
|
||
return NS_ERROR_INVALID_ARG;
|
||
} else {
|
||
window_edge = GDK_WINDOW_EDGE_EAST;
|
||
}
|
||
} else {
|
||
if (aHorizontal < 0) {
|
||
window_edge = GDK_WINDOW_EDGE_SOUTH_WEST;
|
||
} else if (aHorizontal == 0) {
|
||
window_edge = GDK_WINDOW_EDGE_SOUTH;
|
||
} else {
|
||
window_edge = GDK_WINDOW_EDGE_SOUTH_EAST;
|
||
}
|
||
}
|
||
|
||
// tell the window manager to start the resize
|
||
gdk_window_begin_resize_drag(gdk_window, window_edge, button,
|
||
screenX, screenY, aEvent->mTime);
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
nsIWidget::LayerManager*
|
||
nsWindow::GetLayerManager(PLayerTransactionChild* aShadowManager,
|
||
LayersBackend aBackendHint,
|
||
LayerManagerPersistence aPersistence)
|
||
{
|
||
if (mIsDestroyed) {
|
||
// Prevent external code from triggering the re-creation of the LayerManager/Compositor
|
||
// during shutdown. Just return what we currently have, which is most likely null.
|
||
return mLayerManager;
|
||
}
|
||
|
||
if (!mLayerManager && !IsComposited() &&
|
||
eTransparencyTransparent == GetTransparencyMode())
|
||
{
|
||
mLayerManager = CreateBasicLayerManager();
|
||
}
|
||
|
||
return nsBaseWidget::GetLayerManager(aShadowManager, aBackendHint, aPersistence);
|
||
}
|
||
|
||
void
|
||
nsWindow::SetCompositorWidgetDelegate(CompositorWidgetDelegate* delegate)
|
||
{
|
||
if (delegate) {
|
||
mCompositorWidgetDelegate = delegate->AsPlatformSpecificDelegate();
|
||
MOZ_ASSERT(mCompositorWidgetDelegate,
|
||
"nsWindow::SetCompositorWidgetDelegate called with a non-PlatformCompositorWidgetDelegate");
|
||
} else {
|
||
mCompositorWidgetDelegate = nullptr;
|
||
}
|
||
}
|
||
|
||
void
|
||
nsWindow::ClearCachedResources()
|
||
{
|
||
if (mLayerManager &&
|
||
mLayerManager->GetBackendType() == mozilla::layers::LayersBackend::LAYERS_BASIC) {
|
||
mLayerManager->ClearCachedResources();
|
||
}
|
||
|
||
GList* children = gdk_window_peek_children(mGdkWindow);
|
||
for (GList* list = children; list; list = list->next) {
|
||
nsWindow* window = get_window_for_gdk_window(GDK_WINDOW(list->data));
|
||
if (window) {
|
||
window->ClearCachedResources();
|
||
}
|
||
}
|
||
}
|
||
|
||
/* nsWindow::UpdateClientOffsetForCSDWindow() is designed to be called from
|
||
* paint code to update mClientOffset any time. It also propagates
|
||
* the mClientOffset to child tabs.
|
||
*
|
||
* It works only for CSD decorated GtkWindow.
|
||
*/
|
||
void
|
||
nsWindow::UpdateClientOffsetForCSDWindow()
|
||
{
|
||
// _NET_FRAME_EXTENTS is not set on client decorated windows,
|
||
// so we need to read offset between mContainer and toplevel mShell
|
||
// window.
|
||
if (mSizeState == nsSizeMode_Normal) {
|
||
GtkBorder decorationSize;
|
||
GetCSDDecorationSize(GTK_WINDOW(mShell), &decorationSize);
|
||
mClientOffset = nsIntPoint(decorationSize.left, decorationSize.top);
|
||
} else {
|
||
mClientOffset = nsIntPoint(0, 0);
|
||
}
|
||
|
||
// Send a WindowMoved notification. This ensures that TabParent
|
||
// picks up the new client offset and sends it to the child process
|
||
// if appropriate.
|
||
NotifyWindowMoved(mBounds.x, mBounds.y);
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::SetNonClientMargins(LayoutDeviceIntMargin &aMargins)
|
||
{
|
||
SetDrawsInTitlebar(aMargins.top == 0);
|
||
return NS_OK;
|
||
}
|
||
|
||
void
|
||
nsWindow::SetDrawsInTitlebar(bool aState)
|
||
{
|
||
if (!mShell ||
|
||
mCSDSupportLevel == CSD_SUPPORT_NONE ||
|
||
aState == mDrawInTitlebar) {
|
||
return;
|
||
}
|
||
|
||
if (mCSDSupportLevel == CSD_SUPPORT_SYSTEM) {
|
||
SetWindowDecoration(aState ? eBorderStyle_border : mBorderStyle);
|
||
}
|
||
else if (mCSDSupportLevel == CSD_SUPPORT_CLIENT) {
|
||
/* Window manager does not support GDK_DECOR_BORDER,
|
||
* emulate it by CSD.
|
||
*
|
||
* gtk_window_set_titlebar() works on unrealized widgets only,
|
||
* we need to handle mShell carefully here.
|
||
* When CSD is enabled mGdkWindow is owned by mContainer which is good
|
||
* as we can't delete our mGdkWindow. To make mShell unrealized while
|
||
* mContainer is preserved we temporary reparent mContainer to an
|
||
* invisible GtkWindow.
|
||
*/
|
||
NativeShow(false);
|
||
|
||
// Using GTK_WINDOW_POPUP rather than
|
||
// GTK_WINDOW_TOPLEVEL in the hope that POPUP results in less
|
||
// initialization and window manager interaction.
|
||
GtkWidget* tmpWindow = gtk_window_new(GTK_WINDOW_POPUP);
|
||
gtk_widget_realize(tmpWindow);
|
||
|
||
gtk_widget_reparent(GTK_WIDGET(mContainer), tmpWindow);
|
||
gtk_widget_unrealize(GTK_WIDGET(mShell));
|
||
|
||
// Available as of GTK 3.10+
|
||
static auto sGtkWindowSetTitlebar = (void (*)(GtkWindow*, GtkWidget*))
|
||
dlsym(RTLD_DEFAULT, "gtk_window_set_titlebar");
|
||
MOZ_ASSERT(sGtkWindowSetTitlebar,
|
||
"Missing gtk_window_set_titlebar(), old Gtk+ library?");
|
||
|
||
if (aState) {
|
||
// Add a hidden titlebar widget to trigger CSD, but disable the default
|
||
// titlebar. GtkFixed is a somewhat random choice for a simple unused
|
||
// widget. gtk_window_set_titlebar() takes ownership of the titlebar
|
||
// widget.
|
||
sGtkWindowSetTitlebar(GTK_WINDOW(mShell), gtk_fixed_new());
|
||
} else {
|
||
sGtkWindowSetTitlebar(GTK_WINDOW(mShell), nullptr);
|
||
}
|
||
|
||
/* A workaround for https://bugzilla.gnome.org/show_bug.cgi?id=791081
|
||
* gtk_widget_realize() throws:
|
||
* "In pixman_region32_init_rect: Invalid rectangle passed"
|
||
* when mShell has default 1x1 size.
|
||
*/
|
||
GtkAllocation allocation = {0, 0, 0, 0};
|
||
gtk_widget_get_preferred_width(GTK_WIDGET(mShell), nullptr,
|
||
&allocation.width);
|
||
gtk_widget_get_preferred_height(GTK_WIDGET(mShell), nullptr,
|
||
&allocation.height);
|
||
gtk_widget_size_allocate(GTK_WIDGET(mShell), &allocation);
|
||
|
||
gtk_widget_realize(GTK_WIDGET(mShell));
|
||
gtk_widget_reparent(GTK_WIDGET(mContainer), GTK_WIDGET(mShell));
|
||
mNeedsShow = true;
|
||
NativeResize();
|
||
|
||
// Label mShell toplevel window so property_notify_event_cb callback
|
||
// can find its way home.
|
||
g_object_set_data(G_OBJECT(gtk_widget_get_window(mShell)),
|
||
"nsWindow", this);
|
||
#ifdef MOZ_X11
|
||
SetCompositorHint(GTK_WIDGET_COMPOSIDED_ENABLED);
|
||
#endif
|
||
RefreshWindowClass();
|
||
|
||
// When we use system titlebar setup managed by Gtk+ we also get
|
||
// _NET_FRAME_EXTENTS property for our toplevel window so we can't
|
||
// update the client offset it here.
|
||
if (aState) {
|
||
UpdateClientOffsetForCSDWindow();
|
||
}
|
||
|
||
gtk_widget_destroy(tmpWindow);
|
||
}
|
||
|
||
mDrawInTitlebar = aState;
|
||
}
|
||
|
||
gint
|
||
nsWindow::GdkScaleFactor()
|
||
{
|
||
#if (MOZ_WIDGET_GTK >= 3)
|
||
// Available as of GTK 3.10+
|
||
static auto sGdkWindowGetScaleFactorPtr = (gint (*)(GdkWindow*))
|
||
dlsym(RTLD_DEFAULT, "gdk_window_get_scale_factor");
|
||
if (sGdkWindowGetScaleFactorPtr && mGdkWindow)
|
||
return (*sGdkWindowGetScaleFactorPtr)(mGdkWindow);
|
||
#endif
|
||
return ScreenHelperGTK::GetGTKMonitorScaleFactor();
|
||
}
|
||
|
||
|
||
gint
|
||
nsWindow::DevicePixelsToGdkCoordRoundUp(int pixels) {
|
||
gint scale = GdkScaleFactor();
|
||
return (pixels + scale - 1) / scale;
|
||
}
|
||
|
||
gint
|
||
nsWindow::DevicePixelsToGdkCoordRoundDown(int pixels) {
|
||
gint scale = GdkScaleFactor();
|
||
return pixels / scale;
|
||
}
|
||
|
||
GdkPoint
|
||
nsWindow::DevicePixelsToGdkPointRoundDown(LayoutDeviceIntPoint point) {
|
||
gint scale = GdkScaleFactor();
|
||
return { point.x / scale, point.y / scale };
|
||
}
|
||
|
||
GdkRectangle
|
||
nsWindow::DevicePixelsToGdkRectRoundOut(LayoutDeviceIntRect rect) {
|
||
gint scale = GdkScaleFactor();
|
||
int x = rect.x / scale;
|
||
int y = rect.y / scale;
|
||
int right = (rect.x + rect.width + scale - 1) / scale;
|
||
int bottom = (rect.y + rect.height + scale - 1) / scale;
|
||
return { x, y, right - x, bottom - y };
|
||
}
|
||
|
||
GdkRectangle
|
||
nsWindow::DevicePixelsToGdkSizeRoundUp(LayoutDeviceIntSize pixelSize) {
|
||
gint scale = GdkScaleFactor();
|
||
gint width = (pixelSize.width + scale - 1) / scale;
|
||
gint height = (pixelSize.height + scale - 1) / scale;
|
||
return { 0, 0, width, height };
|
||
}
|
||
|
||
int
|
||
nsWindow::GdkCoordToDevicePixels(gint coord) {
|
||
return coord * GdkScaleFactor();
|
||
}
|
||
|
||
LayoutDeviceIntPoint
|
||
nsWindow::GdkEventCoordsToDevicePixels(gdouble x, gdouble y)
|
||
{
|
||
gint scale = GdkScaleFactor();
|
||
return LayoutDeviceIntPoint::Round(x * scale, y * scale);
|
||
}
|
||
|
||
LayoutDeviceIntPoint
|
||
nsWindow::GdkPointToDevicePixels(GdkPoint point) {
|
||
gint scale = GdkScaleFactor();
|
||
return LayoutDeviceIntPoint(point.x * scale,
|
||
point.y * scale);
|
||
}
|
||
|
||
LayoutDeviceIntRect
|
||
nsWindow::GdkRectToDevicePixels(GdkRectangle rect) {
|
||
gint scale = GdkScaleFactor();
|
||
return LayoutDeviceIntRect(rect.x * scale,
|
||
rect.y * scale,
|
||
rect.width * scale,
|
||
rect.height * scale);
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::SynthesizeNativeMouseEvent(LayoutDeviceIntPoint aPoint,
|
||
uint32_t aNativeMessage,
|
||
uint32_t aModifierFlags,
|
||
nsIObserver* aObserver)
|
||
{
|
||
AutoObserverNotifier notifier(aObserver, "mouseevent");
|
||
|
||
if (!mGdkWindow) {
|
||
return NS_OK;
|
||
}
|
||
|
||
GdkDisplay* display = gdk_window_get_display(mGdkWindow);
|
||
|
||
// When a button-press/release event is requested, create it here and put it in the
|
||
// event queue. This will not emit a motion event - this needs to be done
|
||
// explicitly *before* requesting a button-press/release. You will also need to wait
|
||
// for the motion event to be dispatched before requesting a button-press/release
|
||
// event to maintain the desired event order.
|
||
if (aNativeMessage == GDK_BUTTON_PRESS || aNativeMessage == GDK_BUTTON_RELEASE) {
|
||
GdkEvent event;
|
||
memset(&event, 0, sizeof(GdkEvent));
|
||
event.type = (GdkEventType)aNativeMessage;
|
||
event.button.button = 1;
|
||
event.button.window = mGdkWindow;
|
||
event.button.time = GDK_CURRENT_TIME;
|
||
|
||
// Get device for event source
|
||
GdkDeviceManager *device_manager = gdk_display_get_device_manager(display);
|
||
event.button.device = gdk_device_manager_get_client_pointer(device_manager);
|
||
|
||
event.button.x_root = DevicePixelsToGdkCoordRoundDown(aPoint.x);
|
||
event.button.y_root = DevicePixelsToGdkCoordRoundDown(aPoint.y);
|
||
|
||
LayoutDeviceIntPoint pointInWindow = aPoint - WidgetToScreenOffset();
|
||
event.button.x = DevicePixelsToGdkCoordRoundDown(pointInWindow.x);
|
||
event.button.y = DevicePixelsToGdkCoordRoundDown(pointInWindow.y);
|
||
|
||
gdk_event_put(&event);
|
||
} else {
|
||
// We don't support specific events other than button-press/release. In all
|
||
// other cases we'll synthesize a motion event that will be emitted by
|
||
// gdk_display_warp_pointer().
|
||
GdkScreen* screen = gdk_window_get_screen(mGdkWindow);
|
||
GdkPoint point = DevicePixelsToGdkPointRoundDown(aPoint);
|
||
gdk_display_warp_pointer(display, screen, point.x, point.y);
|
||
}
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
nsresult
|
||
nsWindow::SynthesizeNativeMouseScrollEvent(mozilla::LayoutDeviceIntPoint aPoint,
|
||
uint32_t aNativeMessage,
|
||
double aDeltaX,
|
||
double aDeltaY,
|
||
double aDeltaZ,
|
||
uint32_t aModifierFlags,
|
||
uint32_t aAdditionalFlags,
|
||
nsIObserver* aObserver)
|
||
{
|
||
AutoObserverNotifier notifier(aObserver, "mousescrollevent");
|
||
|
||
if (!mGdkWindow) {
|
||
return NS_OK;
|
||
}
|
||
|
||
GdkEvent event;
|
||
memset(&event, 0, sizeof(GdkEvent));
|
||
event.type = GDK_SCROLL;
|
||
event.scroll.window = mGdkWindow;
|
||
event.scroll.time = GDK_CURRENT_TIME;
|
||
// Get device for event source
|
||
GdkDisplay* display = gdk_window_get_display(mGdkWindow);
|
||
GdkDeviceManager *device_manager = gdk_display_get_device_manager(display);
|
||
event.scroll.device = gdk_device_manager_get_client_pointer(device_manager);
|
||
event.scroll.x_root = DevicePixelsToGdkCoordRoundDown(aPoint.x);
|
||
event.scroll.y_root = DevicePixelsToGdkCoordRoundDown(aPoint.y);
|
||
|
||
LayoutDeviceIntPoint pointInWindow = aPoint - WidgetToScreenOffset();
|
||
event.scroll.x = DevicePixelsToGdkCoordRoundDown(pointInWindow.x);
|
||
event.scroll.y = DevicePixelsToGdkCoordRoundDown(pointInWindow.y);
|
||
|
||
// The delta values are backwards on Linux compared to Windows and Cocoa,
|
||
// hence the negation.
|
||
#if GTK_CHECK_VERSION(3,4,0)
|
||
// TODO: is this correct? I don't have GTK 3.4+ so I can't check
|
||
event.scroll.direction = GDK_SCROLL_SMOOTH;
|
||
event.scroll.delta_x = -aDeltaX;
|
||
event.scroll.delta_y = -aDeltaY;
|
||
#else
|
||
if (aDeltaX < 0) {
|
||
event.scroll.direction = GDK_SCROLL_RIGHT;
|
||
} else if (aDeltaX > 0) {
|
||
event.scroll.direction = GDK_SCROLL_LEFT;
|
||
} else if (aDeltaY < 0) {
|
||
event.scroll.direction = GDK_SCROLL_DOWN;
|
||
} else if (aDeltaY > 0) {
|
||
event.scroll.direction = GDK_SCROLL_UP;
|
||
} else {
|
||
return NS_OK;
|
||
}
|
||
#endif
|
||
|
||
gdk_event_put(&event);
|
||
|
||
return NS_OK;
|
||
}
|
||
|
||
#if GTK_CHECK_VERSION(3,4,0)
|
||
nsresult
|
||
nsWindow::SynthesizeNativeTouchPoint(uint32_t aPointerId,
|
||
TouchPointerState aPointerState,
|
||
LayoutDeviceIntPoint aPoint,
|
||
double aPointerPressure,
|
||
uint32_t aPointerOrientation,
|
||
nsIObserver* aObserver)
|
||
{
|
||
AutoObserverNotifier notifier(aObserver, "touchpoint");
|
||
|
||
if (!mGdkWindow) {
|
||
return NS_OK;
|
||
}
|
||
|
||
GdkEvent event;
|
||
memset(&event, 0, sizeof(GdkEvent));
|
||
|
||
static std::map<uint32_t, GdkEventSequence*> sKnownPointers;
|
||
|
||
auto result = sKnownPointers.find(aPointerId);
|
||
switch (aPointerState) {
|
||
case TOUCH_CONTACT:
|
||
if (result == sKnownPointers.end()) {
|
||
// GdkEventSequence isn't a thing we can instantiate, and never gets
|
||
// dereferenced in the gtk code. It's an opaque pointer, the only
|
||
// requirement is that it be distinct from other instances of
|
||
// GdkEventSequence*.
|
||
event.touch.sequence = (GdkEventSequence*)((uintptr_t)aPointerId);
|
||
sKnownPointers[aPointerId] = event.touch.sequence;
|
||
event.type = GDK_TOUCH_BEGIN;
|
||
} else {
|
||
event.touch.sequence = result->second;
|
||
event.type = GDK_TOUCH_UPDATE;
|
||
}
|
||
break;
|
||
case TOUCH_REMOVE:
|
||
event.type = GDK_TOUCH_END;
|
||
if (result == sKnownPointers.end()) {
|
||
NS_WARNING("Tried to synthesize touch-end for unknown pointer!");
|
||
return NS_ERROR_UNEXPECTED;
|
||
}
|
||
event.touch.sequence = result->second;
|
||
sKnownPointers.erase(result);
|
||
break;
|
||
case TOUCH_CANCEL:
|
||
event.type = GDK_TOUCH_CANCEL;
|
||
if (result == sKnownPointers.end()) {
|
||
NS_WARNING("Tried to synthesize touch-cancel for unknown pointer!");
|
||
return NS_ERROR_UNEXPECTED;
|
||
}
|
||
event.touch.sequence = result->second;
|
||
sKnownPointers.erase(result);
|
||
break;
|
||
case TOUCH_HOVER:
|
||
default:
|
||
return NS_ERROR_NOT_IMPLEMENTED;
|
||
}
|
||
|
||
event.touch.window = mGdkWindow;
|
||
event.touch.time = GDK_CURRENT_TIME;
|
||
|
||
GdkDisplay* display = gdk_window_get_display(mGdkWindow);
|
||
GdkDeviceManager* device_manager = gdk_display_get_device_manager(display);
|
||
event.touch.device = gdk_device_manager_get_client_pointer(device_manager);
|
||
|
||
event.touch.x_root = DevicePixelsToGdkCoordRoundDown(aPoint.x);
|
||
event.touch.y_root = DevicePixelsToGdkCoordRoundDown(aPoint.y);
|
||
|
||
LayoutDeviceIntPoint pointInWindow = aPoint - WidgetToScreenOffset();
|
||
event.touch.x = DevicePixelsToGdkCoordRoundDown(pointInWindow.x);
|
||
event.touch.y = DevicePixelsToGdkCoordRoundDown(pointInWindow.y);
|
||
|
||
gdk_event_put(&event);
|
||
|
||
return NS_OK;
|
||
}
|
||
#endif
|
||
|
||
nsWindow::CSDSupportLevel
|
||
nsWindow::GetSystemCSDSupportLevel() {
|
||
if (sCSDSupportLevel != CSD_SUPPORT_UNKNOWN) {
|
||
return sCSDSupportLevel;
|
||
}
|
||
|
||
// Require GTK 3.10 for GtkHeaderBar support and compatible window manager.
|
||
if (gtk_check_version(3, 10, 0) != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_NONE;
|
||
return sCSDSupportLevel;
|
||
}
|
||
|
||
const char* currentDesktop = getenv("XDG_CURRENT_DESKTOP");
|
||
if (currentDesktop) {
|
||
// GNOME Flashback (fallback)
|
||
if (strstr(currentDesktop, "GNOME-Flashback:GNOME") != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_CLIENT;
|
||
// gnome-shell
|
||
} else if (strstr(currentDesktop, "GNOME") != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_SYSTEM;
|
||
} else if (strstr(currentDesktop, "XFCE") != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_CLIENT;
|
||
} else if (strstr(currentDesktop, "X-Cinnamon") != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_SYSTEM;
|
||
// KDE Plasma
|
||
} else if (strstr(currentDesktop, "KDE") != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_CLIENT;
|
||
} else if (strstr(currentDesktop, "LXDE") != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_CLIENT;
|
||
} else if (strstr(currentDesktop, "openbox") != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_CLIENT;
|
||
} else if (strstr(currentDesktop, "i3") != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_NONE;
|
||
} else if (strstr(currentDesktop, "MATE") != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_CLIENT;
|
||
// Ubuntu Unity
|
||
} else if (strstr(currentDesktop, "Unity") != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_CLIENT;
|
||
// Elementary OS
|
||
} else if (strstr(currentDesktop, "Pantheon") != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_SYSTEM;
|
||
} else if (strstr(currentDesktop, "LXQt") != nullptr) {
|
||
sCSDSupportLevel = CSD_SUPPORT_SYSTEM;
|
||
} else {
|
||
// Release or beta builds are not supposed to be broken
|
||
// so disable titlebar rendering on untested/unknown systems.
|
||
#if defined(RELEASE_OR_BETA)
|
||
sCSDSupportLevel = CSD_SUPPORT_NONE;
|
||
#else
|
||
sCSDSupportLevel = CSD_SUPPORT_CLIENT;
|
||
#endif
|
||
}
|
||
} else {
|
||
sCSDSupportLevel = CSD_SUPPORT_NONE;
|
||
}
|
||
|
||
// We don't support CSD_SUPPORT_SYSTEM on Wayland
|
||
if (!GDK_IS_X11_DISPLAY(gdk_display_get_default()) &&
|
||
sCSDSupportLevel == CSD_SUPPORT_SYSTEM) {
|
||
sCSDSupportLevel = CSD_SUPPORT_CLIENT;
|
||
}
|
||
|
||
// GTK_CSD forces CSD mode - use also CSD because window manager
|
||
// decorations does not work with CSD.
|
||
// We check GTK_CSD as well as gtk_window_should_use_csd() does.
|
||
if (sCSDSupportLevel == CSD_SUPPORT_SYSTEM) {
|
||
const char* csdOverride = getenv("GTK_CSD");
|
||
if (csdOverride && g_strcmp0(csdOverride, "1") == 0) {
|
||
sCSDSupportLevel = CSD_SUPPORT_CLIENT;
|
||
}
|
||
}
|
||
|
||
// Allow MOZ_GTK_TITLEBAR_DECORATION to override our heuristics
|
||
const char* decorationOverride = getenv("MOZ_GTK_TITLEBAR_DECORATION");
|
||
if (decorationOverride) {
|
||
if (strcmp(decorationOverride, "none") == 0) {
|
||
sCSDSupportLevel = CSD_SUPPORT_NONE;
|
||
} else if (strcmp(decorationOverride, "client") == 0) {
|
||
sCSDSupportLevel = CSD_SUPPORT_CLIENT;
|
||
} else if (strcmp(decorationOverride, "system") == 0) {
|
||
sCSDSupportLevel = CSD_SUPPORT_SYSTEM;
|
||
}
|
||
}
|
||
|
||
return sCSDSupportLevel;
|
||
}
|
||
|
||
int32_t
|
||
nsWindow::RoundsWidgetCoordinatesTo()
|
||
{
|
||
return GdkScaleFactor();
|
||
}
|
||
|
||
void nsWindow::GetCompositorWidgetInitData(mozilla::widget::CompositorWidgetInitData* aInitData)
|
||
{
|
||
*aInitData = mozilla::widget::GtkCompositorWidgetInitData(
|
||
(mXWindow != X11None) ? mXWindow : (uintptr_t)nullptr,
|
||
mXDisplay ? nsCString(XDisplayString(mXDisplay)) : nsCString(),
|
||
GetClientSize());
|
||
}
|
||
|
||
bool
|
||
nsWindow::IsComposited() const
|
||
{
|
||
if (!mGdkWindow) {
|
||
NS_WARNING("nsWindow::HasARGBVisual called before realization!");
|
||
return false;
|
||
}
|
||
|
||
GdkScreen* gdkScreen = gdk_screen_get_default();
|
||
return gdk_screen_is_composited(gdkScreen) &&
|
||
(gdk_window_get_visual(mGdkWindow)
|
||
== gdk_screen_get_rgba_visual(gdkScreen));
|
||
}
|
||
|
||
#ifdef MOZ_WAYLAND
|
||
wl_display*
|
||
nsWindow::GetWaylandDisplay()
|
||
{
|
||
// Available as of GTK 3.8+
|
||
static auto sGdkWaylandDisplayGetWlDisplay =
|
||
(wl_display *(*)(GdkDisplay *))
|
||
dlsym(RTLD_DEFAULT, "gdk_wayland_display_get_wl_display");
|
||
|
||
GdkDisplay* gdkDisplay = gdk_display_get_default();
|
||
return mIsX11Display ? nullptr :
|
||
sGdkWaylandDisplayGetWlDisplay(gdkDisplay);
|
||
}
|
||
|
||
wl_surface*
|
||
nsWindow::GetWaylandSurface()
|
||
{
|
||
if (mContainer)
|
||
return moz_container_get_wl_surface(MOZ_CONTAINER(mContainer));
|
||
|
||
NS_WARNING("nsWindow::GetWaylandSurfaces(): We don't have any mContainer for drawing!");
|
||
return nullptr;
|
||
}
|
||
#endif
|
||
|
||
#ifdef MOZ_X11
|
||
/* XApp progress support currently works by setting a property
|
||
* on a window with this Atom name. A supporting window manager
|
||
* will notice this and pass it along to whatever handling has
|
||
* been implemented on that end (e.g. passing it on to a taskbar
|
||
* widget.) There is no issue if WM support is lacking, this is
|
||
* simply ignored in that case.
|
||
*
|
||
* See https://github.com/linuxmint/xapps/blob/master/libxapp/xapp-gtk-window.c
|
||
* for further details.
|
||
*/
|
||
|
||
#define PROGRESS_HINT "_NET_WM_XAPP_PROGRESS"
|
||
|
||
static void
|
||
set_window_hint_cardinal (Window xid,
|
||
const gchar *atom_name,
|
||
gulong cardinal)
|
||
{
|
||
GdkDisplay *display;
|
||
|
||
display = gdk_display_get_default ();
|
||
|
||
if (cardinal > 0)
|
||
{
|
||
XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
|
||
xid,
|
||
gdk_x11_get_xatom_by_name_for_display (display, atom_name),
|
||
XA_CARDINAL, 32,
|
||
PropModeReplace,
|
||
(guchar *) &cardinal, 1);
|
||
}
|
||
else
|
||
{
|
||
XDeleteProperty (GDK_DISPLAY_XDISPLAY (display),
|
||
xid,
|
||
gdk_x11_get_xatom_by_name_for_display (display, atom_name));
|
||
}
|
||
}
|
||
#endif // MOZ_X11
|
||
|
||
void
|
||
nsWindow::SetProgress(unsigned long progressPercent)
|
||
{
|
||
#ifdef MOZ_X11
|
||
|
||
if (!mIsX11Display) {
|
||
return;
|
||
}
|
||
|
||
if (!mShell) {
|
||
return;
|
||
}
|
||
|
||
progressPercent = MIN(progressPercent, 100);
|
||
|
||
set_window_hint_cardinal(GDK_WINDOW_XID(gtk_widget_get_window(mShell)),
|
||
PROGRESS_HINT,
|
||
progressPercent);
|
||
#endif // MOZ_X11
|
||
}
|
||
|
||
#ifdef MOZ_X11
|
||
void
|
||
nsWindow::SetCompositorHint(WindowComposeRequest aState)
|
||
{
|
||
if (mIsX11Display) {
|
||
gulong value = aState;
|
||
GdkAtom cardinal_atom = gdk_x11_xatom_to_atom(XA_CARDINAL);
|
||
gdk_property_change(gtk_widget_get_window(mShell),
|
||
gdk_atom_intern("_NET_WM_BYPASS_COMPOSITOR", FALSE),
|
||
cardinal_atom,
|
||
32, // format
|
||
GDK_PROP_MODE_REPLACE,
|
||
(guchar*)&value,
|
||
1);
|
||
}
|
||
}
|
||
#endif
|