forked from mirrors/gecko-dev
		
	 8f0a832c01
			
		
	
	
		8f0a832c01
		
	
	
	
	
		
			
			I haven't really tested that this fixes the performance problem observed in a profile without the patch because the steps to use the Gecko Profiler on local builds on Windows are rather complicated. MozReview-Commit-ID: FmGFs2Cvquv --HG-- extra : transplant_source : %CB%AD%1E%2A%8F%DB%0D%9E%25%08%A82%13fP%BFS%82%BF%FC
		
			
				
	
	
		
			749 lines
		
	
	
	
		
			22 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			749 lines
		
	
	
	
		
			22 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 | |
| /* This Source Code Form is subject to the terms of the Mozilla Public
 | |
|  * License, v. 2.0. If a copy of the MPL was not distributed with this
 | |
|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 | |
| 
 | |
| #include "nsLookAndFeel.h"
 | |
| #include <windows.h>
 | |
| #include <shellapi.h>
 | |
| #include "nsStyleConsts.h"
 | |
| #include "nsUXThemeData.h"
 | |
| #include "nsUXThemeConstants.h"
 | |
| #include "WinUtils.h"
 | |
| #include "mozilla/Telemetry.h"
 | |
| #include "mozilla/WindowsVersion.h"
 | |
| #include "gfxFontConstants.h"
 | |
| 
 | |
| using namespace mozilla;
 | |
| using namespace mozilla::widget;
 | |
| 
 | |
| //static
 | |
| LookAndFeel::OperatingSystemVersion
 | |
| nsLookAndFeel::GetOperatingSystemVersion()
 | |
| {
 | |
|   static OperatingSystemVersion version = eOperatingSystemVersion_Unknown;
 | |
| 
 | |
|   if (version != eOperatingSystemVersion_Unknown) {
 | |
|     return version;
 | |
|   }
 | |
| 
 | |
|   if (IsWin10OrLater()) {
 | |
|     version = eOperatingSystemVersion_Windows10;
 | |
|   } else if (IsWin8OrLater()) {
 | |
|     version = eOperatingSystemVersion_Windows8;
 | |
|   } else {
 | |
|     version = eOperatingSystemVersion_Windows7;
 | |
|   }
 | |
| 
 | |
|   return version;
 | |
| }
 | |
| 
 | |
| static nsresult GetColorFromTheme(nsUXThemeClass cls,
 | |
|                            int32_t aPart,
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|                            int32_t aState,
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|                            int32_t aPropId,
 | |
|                            nscolor &aColor)
 | |
| {
 | |
|   COLORREF color;
 | |
|   HRESULT hr = GetThemeColor(nsUXThemeData::GetTheme(cls), aPart, aState, aPropId, &color);
 | |
|   if (hr == S_OK)
 | |
|   {
 | |
|     aColor = COLOREF_2_NSRGB(color);
 | |
|     return NS_OK;
 | |
|   }
 | |
|   return NS_ERROR_FAILURE;
 | |
| }
 | |
| 
 | |
| static int32_t GetSystemParam(long flag, int32_t def)
 | |
| {
 | |
|     DWORD value;
 | |
|     return ::SystemParametersInfo(flag, 0, &value, 0) ? value : def;
 | |
| }
 | |
| 
 | |
| nsLookAndFeel::nsLookAndFeel()
 | |
|   : nsXPLookAndFeel()
 | |
|   , mUseAccessibilityTheme(0)
 | |
|   , mUseDefaultTheme(0)
 | |
|   , mNativeThemeId(eWindowsTheme_Generic)
 | |
| {
 | |
|   mozilla::Telemetry::Accumulate(mozilla::Telemetry::TOUCH_ENABLED_DEVICE,
 | |
|                                  WinUtils::IsTouchDeviceSupportPresent());
 | |
| }
 | |
| 
 | |
| nsLookAndFeel::~nsLookAndFeel()
 | |
| {
 | |
| }
 | |
| 
 | |
| nsresult
 | |
| nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
 | |
| {
 | |
|   nsresult res = NS_OK;
 | |
| 
 | |
|   int idx;
 | |
|   switch (aID) {
 | |
|     case eColorID_WindowBackground:
 | |
|         idx = COLOR_WINDOW;
 | |
|         break;
 | |
|     case eColorID_WindowForeground:
 | |
|         idx = COLOR_WINDOWTEXT;
 | |
|         break;
 | |
|     case eColorID_WidgetBackground:
 | |
|         idx = COLOR_BTNFACE;
 | |
|         break;
 | |
|     case eColorID_WidgetForeground:
 | |
|         idx = COLOR_BTNTEXT;
 | |
|         break;
 | |
|     case eColorID_WidgetSelectBackground:
 | |
|         idx = COLOR_HIGHLIGHT;
 | |
|         break;
 | |
|     case eColorID_WidgetSelectForeground:
 | |
|         idx = COLOR_HIGHLIGHTTEXT;
 | |
|         break;
 | |
|     case eColorID_Widget3DHighlight:
 | |
|         idx = COLOR_BTNHIGHLIGHT;
 | |
|         break;
 | |
|     case eColorID_Widget3DShadow:
 | |
|         idx = COLOR_BTNSHADOW;
 | |
|         break;
 | |
|     case eColorID_TextBackground:
 | |
|         idx = COLOR_WINDOW;
 | |
|         break;
 | |
|     case eColorID_TextForeground:
 | |
|         idx = COLOR_WINDOWTEXT;
 | |
|         break;
 | |
|     case eColorID_TextSelectBackground:
 | |
|     case eColorID_IMESelectedRawTextBackground:
 | |
|     case eColorID_IMESelectedConvertedTextBackground:
 | |
|         idx = COLOR_HIGHLIGHT;
 | |
|         break;
 | |
|     case eColorID_TextSelectForeground:
 | |
|     case eColorID_IMESelectedRawTextForeground:
 | |
|     case eColorID_IMESelectedConvertedTextForeground:
 | |
|         idx = COLOR_HIGHLIGHTTEXT;
 | |
|         break;
 | |
|     case eColorID_IMERawInputBackground:
 | |
|     case eColorID_IMEConvertedTextBackground:
 | |
|         aColor = NS_TRANSPARENT;
 | |
|         return NS_OK;
 | |
|     case eColorID_IMERawInputForeground:
 | |
|     case eColorID_IMEConvertedTextForeground:
 | |
|         aColor = NS_SAME_AS_FOREGROUND_COLOR;
 | |
|         return NS_OK;
 | |
|     case eColorID_IMERawInputUnderline:
 | |
|     case eColorID_IMEConvertedTextUnderline:
 | |
|         aColor = NS_SAME_AS_FOREGROUND_COLOR;
 | |
|         return NS_OK;
 | |
|     case eColorID_IMESelectedRawTextUnderline:
 | |
|     case eColorID_IMESelectedConvertedTextUnderline:
 | |
|         aColor = NS_TRANSPARENT;
 | |
|         return NS_OK;
 | |
|     case eColorID_SpellCheckerUnderline:
 | |
|         aColor = NS_RGB(0xff, 0, 0);
 | |
|         return NS_OK;
 | |
| 
 | |
|     // New CSS 2 Color definitions
 | |
|     case eColorID_activeborder:
 | |
|       idx = COLOR_ACTIVEBORDER;
 | |
|       break;
 | |
|     case eColorID_activecaption:
 | |
|       idx = COLOR_ACTIVECAPTION;
 | |
|       break;
 | |
|     case eColorID_appworkspace:
 | |
|       idx = COLOR_APPWORKSPACE;
 | |
|       break;
 | |
|     case eColorID_background:
 | |
|       idx = COLOR_BACKGROUND;
 | |
|       break;
 | |
|     case eColorID_buttonface:
 | |
|     case eColorID__moz_buttonhoverface:
 | |
|       idx = COLOR_BTNFACE;
 | |
|       break;
 | |
|     case eColorID_buttonhighlight:
 | |
|       idx = COLOR_BTNHIGHLIGHT;
 | |
|       break;
 | |
|     case eColorID_buttonshadow:
 | |
|       idx = COLOR_BTNSHADOW;
 | |
|       break;
 | |
|     case eColorID_buttontext:
 | |
|     case eColorID__moz_buttonhovertext:
 | |
|       idx = COLOR_BTNTEXT;
 | |
|       break;
 | |
|     case eColorID_captiontext:
 | |
|       idx = COLOR_CAPTIONTEXT;
 | |
|       break;
 | |
|     case eColorID_graytext:
 | |
|       idx = COLOR_GRAYTEXT;
 | |
|       break;
 | |
|     case eColorID_highlight:
 | |
|     case eColorID__moz_html_cellhighlight:
 | |
|     case eColorID__moz_menuhover:
 | |
|       idx = COLOR_HIGHLIGHT;
 | |
|       break;
 | |
|     case eColorID__moz_menubarhovertext:
 | |
|       if (!IsAppThemed()) {
 | |
|         idx = nsUXThemeData::sFlatMenus ?
 | |
|                 COLOR_HIGHLIGHTTEXT :
 | |
|                 COLOR_MENUTEXT;
 | |
|         break;
 | |
|       }
 | |
|       // Fall through
 | |
|     case eColorID__moz_menuhovertext:
 | |
|       if (IsAppThemed()) {
 | |
|         res = ::GetColorFromTheme(eUXMenu,
 | |
|                                   MENU_POPUPITEM, MPI_HOT, TMT_TEXTCOLOR, aColor);
 | |
|         if (NS_SUCCEEDED(res))
 | |
|           return res;
 | |
|         // fall through to highlight case
 | |
|       }
 | |
|     case eColorID_highlighttext:
 | |
|     case eColorID__moz_html_cellhighlighttext:
 | |
|       idx = COLOR_HIGHLIGHTTEXT;
 | |
|       break;
 | |
|     case eColorID_inactiveborder:
 | |
|       idx = COLOR_INACTIVEBORDER;
 | |
|       break;
 | |
|     case eColorID_inactivecaption:
 | |
|       idx = COLOR_INACTIVECAPTION;
 | |
|       break;
 | |
|     case eColorID_inactivecaptiontext:
 | |
|       idx = COLOR_INACTIVECAPTIONTEXT;
 | |
|       break;
 | |
|     case eColorID_infobackground:
 | |
|       idx = COLOR_INFOBK;
 | |
|       break;
 | |
|     case eColorID_infotext:
 | |
|       idx = COLOR_INFOTEXT;
 | |
|       break;
 | |
|     case eColorID_menu:
 | |
|       idx = COLOR_MENU;
 | |
|       break;
 | |
|     case eColorID_menutext:
 | |
|     case eColorID__moz_menubartext:
 | |
|       idx = COLOR_MENUTEXT;
 | |
|       break;
 | |
|     case eColorID_scrollbar:
 | |
|       idx = COLOR_SCROLLBAR;
 | |
|       break;
 | |
|     case eColorID_threeddarkshadow:
 | |
|       idx = COLOR_3DDKSHADOW;
 | |
|       break;
 | |
|     case eColorID_threedface:
 | |
|       idx = COLOR_3DFACE;
 | |
|       break;
 | |
|     case eColorID_threedhighlight:
 | |
|       idx = COLOR_3DHIGHLIGHT;
 | |
|       break;
 | |
|     case eColorID_threedlightshadow:
 | |
|       idx = COLOR_3DLIGHT;
 | |
|       break;
 | |
|     case eColorID_threedshadow:
 | |
|       idx = COLOR_3DSHADOW;
 | |
|       break;
 | |
|     case eColorID_window:
 | |
|       idx = COLOR_WINDOW;
 | |
|       break;
 | |
|     case eColorID_windowframe:
 | |
|       idx = COLOR_WINDOWFRAME;
 | |
|       break;
 | |
|     case eColorID_windowtext:
 | |
|       idx = COLOR_WINDOWTEXT;
 | |
|       break;
 | |
|     case eColorID__moz_eventreerow:
 | |
|     case eColorID__moz_oddtreerow:
 | |
|     case eColorID__moz_field:
 | |
|     case eColorID__moz_combobox:
 | |
|       idx = COLOR_WINDOW;
 | |
|       break;
 | |
|     case eColorID__moz_fieldtext:
 | |
|     case eColorID__moz_comboboxtext:
 | |
|       idx = COLOR_WINDOWTEXT;
 | |
|       break;
 | |
|     case eColorID__moz_dialog:
 | |
|     case eColorID__moz_cellhighlight:
 | |
|       idx = COLOR_3DFACE;
 | |
|       break;
 | |
|     case eColorID__moz_win_mediatext:
 | |
|       if (IsAppThemed()) {
 | |
|         res = ::GetColorFromTheme(eUXMediaToolbar,
 | |
|                                   TP_BUTTON, TS_NORMAL, TMT_TEXTCOLOR, aColor);
 | |
|         if (NS_SUCCEEDED(res))
 | |
|           return res;
 | |
|       }
 | |
|       // if we've gotten here just return -moz-dialogtext instead
 | |
|       idx = COLOR_WINDOWTEXT;
 | |
|       break;
 | |
|     case eColorID__moz_win_communicationstext:
 | |
|       if (IsAppThemed()) {
 | |
|         res = ::GetColorFromTheme(eUXCommunicationsToolbar,
 | |
|                                   TP_BUTTON, TS_NORMAL, TMT_TEXTCOLOR, aColor);
 | |
|         if (NS_SUCCEEDED(res))
 | |
|           return res;
 | |
|       }
 | |
|       // if we've gotten here just return -moz-dialogtext instead
 | |
|       idx = COLOR_WINDOWTEXT;
 | |
|       break;
 | |
|     case eColorID__moz_dialogtext:
 | |
|     case eColorID__moz_cellhighlighttext:
 | |
|       idx = COLOR_WINDOWTEXT;
 | |
|       break;
 | |
|     case eColorID__moz_dragtargetzone:
 | |
|       idx = COLOR_HIGHLIGHTTEXT;
 | |
|       break;
 | |
|     case eColorID__moz_buttondefault:
 | |
|       idx = COLOR_3DDKSHADOW;
 | |
|       break;
 | |
|     case eColorID__moz_nativehyperlinktext:
 | |
|       idx = COLOR_HOTLIGHT;
 | |
|       break;
 | |
|     default:
 | |
|       NS_WARNING("Unknown color for nsLookAndFeel");
 | |
|       idx = COLOR_WINDOW;
 | |
|       res = NS_ERROR_FAILURE;
 | |
|       break;
 | |
|     }
 | |
| 
 | |
|   DWORD color = ::GetSysColor(idx);
 | |
|   aColor = COLOREF_2_NSRGB(color);
 | |
| 
 | |
|   return res;
 | |
| }
 | |
| 
 | |
| nsresult
 | |
| nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
 | |
| {
 | |
|   nsresult res = nsXPLookAndFeel::GetIntImpl(aID, aResult);
 | |
|   if (NS_SUCCEEDED(res))
 | |
|     return res;
 | |
|   res = NS_OK;
 | |
| 
 | |
|   switch (aID) {
 | |
|     case eIntID_CaretBlinkTime:
 | |
|         aResult = (int32_t)::GetCaretBlinkTime();
 | |
|         break;
 | |
|     case eIntID_CaretWidth:
 | |
|         aResult = 1;
 | |
|         break;
 | |
|     case eIntID_ShowCaretDuringSelection:
 | |
|         aResult = 0;
 | |
|         break;
 | |
|     case eIntID_SelectTextfieldsOnKeyFocus:
 | |
|         // Select textfield content when focused by kbd
 | |
|         // used by EventStateManager::sTextfieldSelectModel
 | |
|         aResult = 1;
 | |
|         break;
 | |
|     case eIntID_SubmenuDelay:
 | |
|         // This will default to the Windows' default
 | |
|         // (400ms) on error.
 | |
|         aResult = GetSystemParam(SPI_GETMENUSHOWDELAY, 400);
 | |
|         break;
 | |
|     case eIntID_TooltipDelay:
 | |
|         aResult = 500;
 | |
|         break;
 | |
|     case eIntID_MenusCanOverlapOSBar:
 | |
|         // we want XUL popups to be able to overlap the task bar.
 | |
|         aResult = 1;
 | |
|         break;
 | |
|     case eIntID_DragThresholdX:
 | |
|         // The system metric is the number of pixels at which a drag should
 | |
|         // start.  Our look and feel metric is the number of pixels you can
 | |
|         // move before starting a drag, so subtract 1.
 | |
| 
 | |
|         aResult = ::GetSystemMetrics(SM_CXDRAG) - 1;
 | |
|         break;
 | |
|     case eIntID_DragThresholdY:
 | |
|         aResult = ::GetSystemMetrics(SM_CYDRAG) - 1;
 | |
|         break;
 | |
|     case eIntID_UseAccessibilityTheme:
 | |
|         // High contrast is a misnomer under Win32 -- any theme can be used with it,
 | |
|         // e.g. normal contrast with large fonts, low contrast, etc.
 | |
|         // The high contrast flag really means -- use this theme and don't override it.
 | |
|         if (XRE_IsContentProcess()) {
 | |
|           // If we're running in the content process, then the parent should
 | |
|           // have sent us the accessibility state when nsLookAndFeel
 | |
|           // initialized, and stashed it in the mUseAccessibilityTheme cache.
 | |
|           aResult = mUseAccessibilityTheme;
 | |
|         } else {
 | |
|           // Otherwise, we can ask the OS to see if we're using High Contrast
 | |
|           // mode.
 | |
|           aResult = nsUXThemeData::IsHighContrastOn();
 | |
|         }
 | |
|         break;
 | |
|     case eIntID_ScrollArrowStyle:
 | |
|         aResult = eScrollArrowStyle_Single;
 | |
|         break;
 | |
|     case eIntID_ScrollSliderStyle:
 | |
|         aResult = eScrollThumbStyle_Proportional;
 | |
|         break;
 | |
|     case eIntID_TreeOpenDelay:
 | |
|         aResult = 1000;
 | |
|         break;
 | |
|     case eIntID_TreeCloseDelay:
 | |
|         aResult = 0;
 | |
|         break;
 | |
|     case eIntID_TreeLazyScrollDelay:
 | |
|         aResult = 150;
 | |
|         break;
 | |
|     case eIntID_TreeScrollDelay:
 | |
|         aResult = 100;
 | |
|         break;
 | |
|     case eIntID_TreeScrollLinesMax:
 | |
|         aResult = 3;
 | |
|         break;
 | |
|     case eIntID_WindowsClassic:
 | |
|         aResult = !IsAppThemed();
 | |
|         break;
 | |
|     case eIntID_TouchEnabled:
 | |
|         aResult = WinUtils::IsTouchDeviceSupportPresent();
 | |
|         break;
 | |
|     case eIntID_WindowsDefaultTheme:
 | |
|         if (XRE_IsContentProcess()) {
 | |
|           aResult = mUseDefaultTheme;
 | |
|         } else {
 | |
|           aResult = nsUXThemeData::IsDefaultWindowTheme();
 | |
|         }
 | |
|         break;
 | |
|     case eIntID_WindowsThemeIdentifier:
 | |
|         if (XRE_IsContentProcess()) {
 | |
|           aResult = mNativeThemeId;
 | |
|         } else {
 | |
|           aResult = nsUXThemeData::GetNativeThemeId();
 | |
|         }
 | |
|         break;
 | |
| 
 | |
|     case eIntID_OperatingSystemVersionIdentifier:
 | |
|     {
 | |
|         aResult = GetOperatingSystemVersion();
 | |
|         break;
 | |
|     }
 | |
| 
 | |
|     case eIntID_MacGraphiteTheme:
 | |
|         aResult = 0;
 | |
|         res = NS_ERROR_NOT_IMPLEMENTED;
 | |
|         break;
 | |
|     case eIntID_DWMCompositor:
 | |
|         aResult = nsUXThemeData::CheckForCompositor();
 | |
|         break;
 | |
|     case eIntID_WindowsGlass:
 | |
|         // Aero Glass is only available prior to Windows 8 when DWM is used.
 | |
|         aResult = (nsUXThemeData::CheckForCompositor() && !IsWin8OrLater());
 | |
|         break;
 | |
|     case eIntID_AlertNotificationOrigin:
 | |
|         aResult = 0;
 | |
|         {
 | |
|           // Get task bar window handle
 | |
|           HWND shellWindow = FindWindowW(L"Shell_TrayWnd", nullptr);
 | |
| 
 | |
|           if (shellWindow != nullptr)
 | |
|           {
 | |
|             // Determine position
 | |
|             APPBARDATA appBarData;
 | |
|             appBarData.hWnd = shellWindow;
 | |
|             appBarData.cbSize = sizeof(appBarData);
 | |
|             if (SHAppBarMessage(ABM_GETTASKBARPOS, &appBarData))
 | |
|             {
 | |
|               // Set alert origin as a bit field - see LookAndFeel.h
 | |
|               // 0 represents bottom right, sliding vertically.
 | |
|               switch(appBarData.uEdge)
 | |
|               {
 | |
|                 case ABE_LEFT:
 | |
|                   aResult = NS_ALERT_HORIZONTAL | NS_ALERT_LEFT;
 | |
|                   break;
 | |
|                 case ABE_RIGHT:
 | |
|                   aResult = NS_ALERT_HORIZONTAL;
 | |
|                   break;
 | |
|                 case ABE_TOP:
 | |
|                   aResult = NS_ALERT_TOP;
 | |
|                   // fall through for the right-to-left handling.
 | |
|                 case ABE_BOTTOM:
 | |
|                   // If the task bar is right-to-left,
 | |
|                   // move the origin to the left
 | |
|                   if (::GetWindowLong(shellWindow, GWL_EXSTYLE) &
 | |
|                         WS_EX_LAYOUTRTL)
 | |
|                     aResult |= NS_ALERT_LEFT;
 | |
|                   break;
 | |
|               }
 | |
|             }
 | |
|           }
 | |
|         }
 | |
|         break;
 | |
|     case eIntID_IMERawInputUnderlineStyle:
 | |
|     case eIntID_IMEConvertedTextUnderlineStyle:
 | |
|         aResult = NS_STYLE_TEXT_DECORATION_STYLE_DASHED;
 | |
|         break;
 | |
|     case eIntID_IMESelectedRawTextUnderlineStyle:
 | |
|     case eIntID_IMESelectedConvertedTextUnderline:
 | |
|         aResult = NS_STYLE_TEXT_DECORATION_STYLE_NONE;
 | |
|         break;
 | |
|     case eIntID_SpellCheckerUnderlineStyle:
 | |
|         aResult = NS_STYLE_TEXT_DECORATION_STYLE_WAVY;
 | |
|         break;
 | |
|     case eIntID_ScrollbarButtonAutoRepeatBehavior:
 | |
|         aResult = 0;
 | |
|         break;
 | |
|     case eIntID_SwipeAnimationEnabled:
 | |
|         aResult = 0;
 | |
|         break;
 | |
|     case eIntID_ColorPickerAvailable:
 | |
|         aResult = true;
 | |
|         break;
 | |
|     case eIntID_UseOverlayScrollbars:
 | |
|         aResult = false;
 | |
|         break;
 | |
|     case eIntID_AllowOverlayScrollbarsOverlap:
 | |
|         aResult = 0;
 | |
|         break;
 | |
|     case eIntID_ScrollbarDisplayOnMouseMove:
 | |
|         aResult = 1;
 | |
|         break;
 | |
|     case eIntID_ScrollbarFadeBeginDelay:
 | |
|         aResult = 2500;
 | |
|         break;
 | |
|     case eIntID_ScrollbarFadeDuration:
 | |
|         aResult = 350;
 | |
|         break;
 | |
|     case eIntID_ContextMenuOffsetVertical:
 | |
|     case eIntID_ContextMenuOffsetHorizontal:
 | |
|         aResult = 2;
 | |
|         break;
 | |
|     default:
 | |
|         aResult = 0;
 | |
|         res = NS_ERROR_FAILURE;
 | |
|     }
 | |
|   return res;
 | |
| }
 | |
| 
 | |
| nsresult
 | |
| nsLookAndFeel::GetFloatImpl(FloatID aID, float &aResult)
 | |
| {
 | |
|   nsresult res = nsXPLookAndFeel::GetFloatImpl(aID, aResult);
 | |
|   if (NS_SUCCEEDED(res))
 | |
|     return res;
 | |
|   res = NS_OK;
 | |
| 
 | |
|   switch (aID) {
 | |
|     case eFloatID_IMEUnderlineRelativeSize:
 | |
|         aResult = 1.0f;
 | |
|         break;
 | |
|     case eFloatID_SpellCheckerUnderlineRelativeSize:
 | |
|         aResult = 1.0f;
 | |
|         break;
 | |
|     default:
 | |
|         aResult = -1.0;
 | |
|         res = NS_ERROR_FAILURE;
 | |
|     }
 | |
|   return res;
 | |
| }
 | |
| 
 | |
| static bool
 | |
| GetSysFontInfo(HDC aHDC, LookAndFeel::FontID anID,
 | |
|                nsString &aFontName,
 | |
|                gfxFontStyle &aFontStyle)
 | |
| {
 | |
|   const LOGFONTW* ptrLogFont = nullptr;
 | |
|   LOGFONTW logFont;
 | |
|   NONCLIENTMETRICSW ncm;
 | |
|   char16_t name[LF_FACESIZE];
 | |
|   bool useShellDlg = false;
 | |
| 
 | |
|   // Depending on which stock font we want, there are a couple of
 | |
|   // places we might have to look it up.
 | |
|   switch (anID) {
 | |
|   case LookAndFeel::eFont_Icon:
 | |
|     if (!::SystemParametersInfoW(SPI_GETICONTITLELOGFONT,
 | |
|                                  sizeof(logFont), (PVOID)&logFont, 0))
 | |
|       return false;
 | |
| 
 | |
|     ptrLogFont = &logFont;
 | |
|     break;
 | |
| 
 | |
|   default:
 | |
|     ncm.cbSize = sizeof(NONCLIENTMETRICSW);
 | |
|     if (!::SystemParametersInfoW(SPI_GETNONCLIENTMETRICS,
 | |
|                                  sizeof(ncm), (PVOID)&ncm, 0))
 | |
|       return false;
 | |
| 
 | |
|     switch (anID) {
 | |
|     case LookAndFeel::eFont_Menu:
 | |
|     case LookAndFeel::eFont_PullDownMenu:
 | |
|       ptrLogFont = &ncm.lfMenuFont;
 | |
|       break;
 | |
|     case LookAndFeel::eFont_Caption:
 | |
|       ptrLogFont = &ncm.lfCaptionFont;
 | |
|       break;
 | |
|     case LookAndFeel::eFont_SmallCaption:
 | |
|       ptrLogFont = &ncm.lfSmCaptionFont;
 | |
|       break;
 | |
|     case LookAndFeel::eFont_StatusBar:
 | |
|     case LookAndFeel::eFont_Tooltips:
 | |
|       ptrLogFont = &ncm.lfStatusFont;
 | |
|       break;
 | |
|     case LookAndFeel::eFont_Widget:
 | |
|     case LookAndFeel::eFont_Dialog:
 | |
|     case LookAndFeel::eFont_Button:
 | |
|     case LookAndFeel::eFont_Field:
 | |
|     case LookAndFeel::eFont_List:
 | |
|       // XXX It's not clear to me whether this is exactly the right
 | |
|       // set of LookAndFeel values to map to the dialog font; we may
 | |
|       // want to add or remove cases here after reviewing the visual
 | |
|       // results under various Windows versions.
 | |
|       useShellDlg = true;
 | |
|       // Fall through so that we can get size from lfMessageFont;
 | |
|       // but later we'll use the (virtual) "MS Shell Dlg 2" font name
 | |
|       // instead of the LOGFONT's.
 | |
|     default:
 | |
|       ptrLogFont = &ncm.lfMessageFont;
 | |
|       break;
 | |
|     }
 | |
|     break;
 | |
|   }
 | |
| 
 | |
|   // Get scaling factor from physical to logical pixels
 | |
|   double pixelScale = 1.0 / WinUtils::SystemScaleFactor();
 | |
| 
 | |
|   // The lfHeight is in pixels, and it needs to be adjusted for the
 | |
|   // device it will be displayed on.
 | |
|   // Screens and Printers will differ in DPI
 | |
|   //
 | |
|   // So this accounts for the difference in the DeviceContexts
 | |
|   // The pixelScale will typically be 1.0 for the screen
 | |
|   // (though larger for hi-dpi screens where the Windows resolution
 | |
|   // scale factor is 125% or 150% or even more), and could be
 | |
|   // any value when going to a printer, for example pixelScale is
 | |
|   // 6.25 when going to a 600dpi printer.
 | |
|   float pixelHeight = -ptrLogFont->lfHeight;
 | |
|   if (pixelHeight < 0) {
 | |
|     HFONT hFont = ::CreateFontIndirectW(ptrLogFont);
 | |
|     if (!hFont)
 | |
|       return false;
 | |
|     HGDIOBJ hObject = ::SelectObject(aHDC, hFont);
 | |
|     TEXTMETRIC tm;
 | |
|     ::GetTextMetrics(aHDC, &tm);
 | |
|     ::SelectObject(aHDC, hObject);
 | |
|     ::DeleteObject(hFont);
 | |
|     pixelHeight = tm.tmAscent;
 | |
|   }
 | |
|   pixelHeight *= pixelScale;
 | |
| 
 | |
|   // we have problem on Simplified Chinese system because the system
 | |
|   // report the default font size is 8 points. but if we use 8, the text
 | |
|   // display very ugly. force it to be at 9 points (12 pixels) on that
 | |
|   // system (cp936), but leave other sizes alone.
 | |
|   if (pixelHeight < 12 && ::GetACP() == 936)
 | |
|     pixelHeight = 12;
 | |
| 
 | |
|   aFontStyle.size = pixelHeight;
 | |
| 
 | |
|   // FIXME: What about oblique?
 | |
|   aFontStyle.style =
 | |
|     (ptrLogFont->lfItalic) ? NS_FONT_STYLE_ITALIC : NS_FONT_STYLE_NORMAL;
 | |
| 
 | |
|   // FIXME: Other weights?
 | |
|   aFontStyle.weight =
 | |
|     (ptrLogFont->lfWeight == FW_BOLD ?
 | |
|         NS_FONT_WEIGHT_BOLD : NS_FONT_WEIGHT_NORMAL);
 | |
| 
 | |
|   // FIXME: Set aFontStyle->stretch correctly!
 | |
|   aFontStyle.stretch = NS_FONT_STRETCH_NORMAL;
 | |
| 
 | |
|   aFontStyle.systemFont = true;
 | |
| 
 | |
|   if (useShellDlg) {
 | |
|     aFontName = NS_LITERAL_STRING("MS Shell Dlg 2");
 | |
|   } else {
 | |
|     memcpy(name, ptrLogFont->lfFaceName, LF_FACESIZE*sizeof(char16_t));
 | |
|     aFontName = name;
 | |
|   }
 | |
| 
 | |
|   return true;
 | |
| }
 | |
| 
 | |
| bool
 | |
| nsLookAndFeel::GetFontImpl(FontID anID, nsString &aFontName,
 | |
|                            gfxFontStyle &aFontStyle,
 | |
|                            float aDevPixPerCSSPixel)
 | |
| {
 | |
|   CachedSystemFont &cacheSlot = mSystemFontCache[anID];
 | |
| 
 | |
|   bool status;
 | |
|   if (cacheSlot.mCacheValid) {
 | |
|     status = cacheSlot.mHaveFont;
 | |
|     if (status) {
 | |
|       aFontName = cacheSlot.mFontName;
 | |
|       aFontStyle = cacheSlot.mFontStyle;
 | |
|     }
 | |
|   } else {
 | |
|     HDC tdc = GetDC(nullptr);
 | |
|     status = GetSysFontInfo(tdc, anID, aFontName, aFontStyle);
 | |
|     ReleaseDC(nullptr, tdc);
 | |
| 
 | |
|     cacheSlot.mCacheValid = true;
 | |
|     cacheSlot.mHaveFont = status;
 | |
|     if (status) {
 | |
|       cacheSlot.mFontName = aFontName;
 | |
|       cacheSlot.mFontStyle = aFontStyle;
 | |
|     }
 | |
|   }
 | |
|   // now convert the logical font size from GetSysFontInfo into device pixels for layout
 | |
|   aFontStyle.size *= aDevPixPerCSSPixel;
 | |
|   return status;
 | |
| }
 | |
| 
 | |
| /* virtual */ void
 | |
| nsLookAndFeel::RefreshImpl()
 | |
| {
 | |
|   nsXPLookAndFeel::RefreshImpl();
 | |
| 
 | |
|   for (auto e = mSystemFontCache.begin(), end = mSystemFontCache.end();
 | |
|        e != end; ++e) {
 | |
|     e->mCacheValid = false;
 | |
|   }
 | |
| }
 | |
| 
 | |
| /* virtual */
 | |
| char16_t
 | |
| nsLookAndFeel::GetPasswordCharacterImpl()
 | |
| {
 | |
| #define UNICODE_BLACK_CIRCLE_CHAR 0x25cf
 | |
|   return UNICODE_BLACK_CIRCLE_CHAR;
 | |
| }
 | |
| 
 | |
| nsTArray<LookAndFeelInt>
 | |
| nsLookAndFeel::GetIntCacheImpl()
 | |
| {
 | |
|   nsTArray<LookAndFeelInt> lookAndFeelIntCache =
 | |
|     nsXPLookAndFeel::GetIntCacheImpl();
 | |
| 
 | |
|   LookAndFeelInt lafInt;
 | |
|   lafInt.id = eIntID_UseAccessibilityTheme;
 | |
|   lafInt.value = GetInt(eIntID_UseAccessibilityTheme);
 | |
|   lookAndFeelIntCache.AppendElement(lafInt);
 | |
| 
 | |
|   lafInt.id = eIntID_WindowsDefaultTheme;
 | |
|   lafInt.value = GetInt(eIntID_WindowsDefaultTheme);
 | |
|   lookAndFeelIntCache.AppendElement(lafInt);
 | |
| 
 | |
|   lafInt.id = eIntID_WindowsThemeIdentifier;
 | |
|   lafInt.value = GetInt(eIntID_WindowsThemeIdentifier);
 | |
|   lookAndFeelIntCache.AppendElement(lafInt);
 | |
| 
 | |
|   return lookAndFeelIntCache;
 | |
| }
 | |
| 
 | |
| void
 | |
| nsLookAndFeel::SetIntCacheImpl(const nsTArray<LookAndFeelInt>& aLookAndFeelIntCache)
 | |
| {
 | |
|   for (auto entry : aLookAndFeelIntCache) {
 | |
|     switch (entry.id) {
 | |
|       case eIntID_UseAccessibilityTheme:
 | |
|       mUseAccessibilityTheme = entry.value;
 | |
|       break;
 | |
|       case eIntID_WindowsDefaultTheme:
 | |
|       mUseDefaultTheme = entry.value;
 | |
|       break;
 | |
|       case eIntID_WindowsThemeIdentifier:
 | |
|       mNativeThemeId = entry.value;
 | |
|       break;
 | |
|     }
 | |
|   }
 | |
| }
 | |
| 
 |