forked from mirrors/gecko-dev
7496fb37dd
MozReview-Commit-ID: 3bzhX9bfR4s --HG-- extra : rebase_source : 52619ebf8fa230bc03d499fdb81f632296e2997b
946 lines
27 KiB
C++
Executable file
946 lines
27 KiB
C++
Executable file
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 "nsLookAndFeel.h"
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#include <windows.h>
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#include <shellapi.h>
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#include "nsStyleConsts.h"
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#include "nsUXThemeData.h"
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#include "nsUXThemeConstants.h"
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#include "WinUtils.h"
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#include "mozilla/FontPropertyTypes.h"
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#include "mozilla/Telemetry.h"
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#include "mozilla/WindowsVersion.h"
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#include "gfxFontConstants.h"
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using namespace mozilla;
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using namespace mozilla::widget;
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//static
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LookAndFeel::OperatingSystemVersion
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nsLookAndFeel::GetOperatingSystemVersion()
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{
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static OperatingSystemVersion version = eOperatingSystemVersion_Unknown;
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if (version != eOperatingSystemVersion_Unknown) {
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return version;
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}
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if (IsWin10OrLater()) {
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version = eOperatingSystemVersion_Windows10;
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} else if (IsWin8OrLater()) {
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version = eOperatingSystemVersion_Windows8;
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} else {
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version = eOperatingSystemVersion_Windows7;
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}
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return version;
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}
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static nsresult GetColorFromTheme(nsUXThemeClass cls,
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int32_t aPart,
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int32_t aState,
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int32_t aPropId,
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nscolor &aColor)
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{
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COLORREF color;
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HRESULT hr = GetThemeColor(nsUXThemeData::GetTheme(cls), aPart, aState, aPropId, &color);
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if (hr == S_OK)
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{
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aColor = COLOREF_2_NSRGB(color);
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return NS_OK;
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}
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return NS_ERROR_FAILURE;
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}
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static int32_t GetSystemParam(long flag, int32_t def)
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{
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DWORD value;
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return ::SystemParametersInfo(flag, 0, &value, 0) ? value : def;
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}
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static nsresult
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SystemWantsDarkTheme(int32_t& darkThemeEnabled)
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{
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if (!IsWin10OrLater()) {
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darkThemeEnabled = 0;
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return NS_OK;
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}
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nsresult rv = NS_OK;
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nsCOMPtr<nsIWindowsRegKey> personalizeKey =
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do_CreateInstance("@mozilla.org/windows-registry-key;1", &rv);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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rv = personalizeKey->Open(nsIWindowsRegKey::ROOT_KEY_CURRENT_USER,
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NS_LITERAL_STRING("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize"),
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nsIWindowsRegKey::ACCESS_QUERY_VALUE);
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if (NS_FAILED(rv)) {
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return rv;
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}
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uint32_t lightThemeEnabled;
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rv = personalizeKey->ReadIntValue(NS_LITERAL_STRING("AppsUseLightTheme"),
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&lightThemeEnabled);
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if (NS_SUCCEEDED(rv)) {
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darkThemeEnabled = !lightThemeEnabled;
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}
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return rv;
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}
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nsLookAndFeel::nsLookAndFeel()
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: nsXPLookAndFeel()
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, mUseAccessibilityTheme(0)
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, mUseDefaultTheme(0)
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, mNativeThemeId(eWindowsTheme_Generic)
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, mCaretBlinkTime(-1)
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, mHasColorMenuHoverText(false)
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, mHasColorAccent(false)
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, mHasColorAccentText(false)
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, mHasColorMediaText(false)
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, mHasColorCommunicationsText(false)
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, mInitialized(false)
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{
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mozilla::Telemetry::Accumulate(mozilla::Telemetry::TOUCH_ENABLED_DEVICE,
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WinUtils::IsTouchDeviceSupportPresent());
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}
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nsLookAndFeel::~nsLookAndFeel()
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{
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}
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void
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nsLookAndFeel::NativeInit()
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{
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EnsureInit();
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}
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/* virtual */ void
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nsLookAndFeel::RefreshImpl()
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{
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nsXPLookAndFeel::RefreshImpl();
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for (auto e = mSystemFontCache.begin(), end = mSystemFontCache.end();
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e != end; ++e) {
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e->mCacheValid = false;
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}
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mCaretBlinkTime = -1;
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mInitialized = false;
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}
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nsresult
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nsLookAndFeel::NativeGetColor(ColorID aID, nscolor &aColor)
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{
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EnsureInit();
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nsresult res = NS_OK;
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int idx;
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switch (aID) {
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case eColorID_WindowBackground:
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idx = COLOR_WINDOW;
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break;
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case eColorID_WindowForeground:
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idx = COLOR_WINDOWTEXT;
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break;
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case eColorID_WidgetBackground:
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idx = COLOR_BTNFACE;
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break;
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case eColorID_WidgetForeground:
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idx = COLOR_BTNTEXT;
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break;
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case eColorID_WidgetSelectBackground:
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idx = COLOR_HIGHLIGHT;
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break;
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case eColorID_WidgetSelectForeground:
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idx = COLOR_HIGHLIGHTTEXT;
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break;
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case eColorID_Widget3DHighlight:
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idx = COLOR_BTNHIGHLIGHT;
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break;
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case eColorID_Widget3DShadow:
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idx = COLOR_BTNSHADOW;
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break;
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case eColorID_TextBackground:
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idx = COLOR_WINDOW;
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break;
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case eColorID_TextForeground:
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idx = COLOR_WINDOWTEXT;
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break;
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case eColorID_TextSelectBackground:
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case eColorID_IMESelectedRawTextBackground:
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case eColorID_IMESelectedConvertedTextBackground:
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idx = COLOR_HIGHLIGHT;
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break;
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case eColorID_TextSelectForeground:
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case eColorID_IMESelectedRawTextForeground:
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case eColorID_IMESelectedConvertedTextForeground:
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idx = COLOR_HIGHLIGHTTEXT;
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break;
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case eColorID_IMERawInputBackground:
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case eColorID_IMEConvertedTextBackground:
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aColor = NS_TRANSPARENT;
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return NS_OK;
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case eColorID_IMERawInputForeground:
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case eColorID_IMEConvertedTextForeground:
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aColor = NS_SAME_AS_FOREGROUND_COLOR;
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return NS_OK;
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case eColorID_IMERawInputUnderline:
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case eColorID_IMEConvertedTextUnderline:
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aColor = NS_SAME_AS_FOREGROUND_COLOR;
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return NS_OK;
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case eColorID_IMESelectedRawTextUnderline:
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case eColorID_IMESelectedConvertedTextUnderline:
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aColor = NS_TRANSPARENT;
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return NS_OK;
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case eColorID_SpellCheckerUnderline:
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aColor = NS_RGB(0xff, 0, 0);
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return NS_OK;
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// New CSS 2 Color definitions
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case eColorID_activeborder:
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idx = COLOR_ACTIVEBORDER;
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break;
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case eColorID_activecaption:
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idx = COLOR_ACTIVECAPTION;
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break;
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case eColorID_appworkspace:
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idx = COLOR_APPWORKSPACE;
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break;
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case eColorID_background:
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idx = COLOR_BACKGROUND;
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break;
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case eColorID_buttonface:
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case eColorID__moz_buttonhoverface:
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idx = COLOR_BTNFACE;
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break;
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case eColorID_buttonhighlight:
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idx = COLOR_BTNHIGHLIGHT;
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break;
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case eColorID_buttonshadow:
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idx = COLOR_BTNSHADOW;
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break;
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case eColorID_buttontext:
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case eColorID__moz_buttonhovertext:
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idx = COLOR_BTNTEXT;
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break;
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case eColorID_captiontext:
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idx = COLOR_CAPTIONTEXT;
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break;
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case eColorID_graytext:
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idx = COLOR_GRAYTEXT;
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break;
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case eColorID_highlight:
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case eColorID__moz_html_cellhighlight:
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case eColorID__moz_menuhover:
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idx = COLOR_HIGHLIGHT;
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break;
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case eColorID__moz_menubarhovertext:
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if (!IsAppThemed()) {
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idx = nsUXThemeData::sFlatMenus ?
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COLOR_HIGHLIGHTTEXT :
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COLOR_MENUTEXT;
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break;
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}
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// Fall through
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case eColorID__moz_menuhovertext:
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if (mHasColorMenuHoverText) {
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aColor = mColorMenuHoverText;
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return NS_OK;
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}
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// Fall through
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case eColorID_highlighttext:
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case eColorID__moz_html_cellhighlighttext:
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idx = COLOR_HIGHLIGHTTEXT;
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break;
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case eColorID_inactiveborder:
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idx = COLOR_INACTIVEBORDER;
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break;
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case eColorID_inactivecaption:
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idx = COLOR_INACTIVECAPTION;
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break;
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case eColorID_inactivecaptiontext:
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idx = COLOR_INACTIVECAPTIONTEXT;
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break;
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case eColorID_infobackground:
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idx = COLOR_INFOBK;
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break;
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case eColorID_infotext:
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idx = COLOR_INFOTEXT;
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break;
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case eColorID_menu:
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idx = COLOR_MENU;
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break;
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case eColorID_menutext:
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case eColorID__moz_menubartext:
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idx = COLOR_MENUTEXT;
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break;
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case eColorID_scrollbar:
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idx = COLOR_SCROLLBAR;
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break;
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case eColorID_threeddarkshadow:
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idx = COLOR_3DDKSHADOW;
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break;
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case eColorID_threedface:
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idx = COLOR_3DFACE;
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break;
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case eColorID_threedhighlight:
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idx = COLOR_3DHIGHLIGHT;
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break;
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case eColorID_threedlightshadow:
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idx = COLOR_3DLIGHT;
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break;
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case eColorID_threedshadow:
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idx = COLOR_3DSHADOW;
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break;
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case eColorID_window:
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idx = COLOR_WINDOW;
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break;
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case eColorID_windowframe:
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idx = COLOR_WINDOWFRAME;
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break;
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case eColorID_windowtext:
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idx = COLOR_WINDOWTEXT;
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break;
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case eColorID__moz_eventreerow:
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case eColorID__moz_oddtreerow:
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case eColorID__moz_field:
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case eColorID__moz_combobox:
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idx = COLOR_WINDOW;
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break;
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case eColorID__moz_fieldtext:
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case eColorID__moz_comboboxtext:
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idx = COLOR_WINDOWTEXT;
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break;
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case eColorID__moz_dialog:
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case eColorID__moz_cellhighlight:
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idx = COLOR_3DFACE;
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break;
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case eColorID__moz_win_accentcolor:
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if (mHasColorAccent) {
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aColor = mColorAccent;
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} else {
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// Seems to be the default color (hardcoded because of bug 1065998)
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aColor = NS_RGB(158, 158, 158);
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}
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return NS_OK;
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case eColorID__moz_win_accentcolortext:
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if (mHasColorAccentText) {
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aColor = mColorAccentText;
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} else {
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aColor = NS_RGB(0, 0, 0);
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}
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return NS_OK;
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case eColorID__moz_win_mediatext:
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if (mHasColorMediaText) {
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aColor = mColorMediaText;
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return NS_OK;
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}
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// if we've gotten here just return -moz-dialogtext instead
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idx = COLOR_WINDOWTEXT;
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break;
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case eColorID__moz_win_communicationstext:
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if (mHasColorCommunicationsText) {
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aColor = mColorCommunicationsText;
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return NS_OK;
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}
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// if we've gotten here just return -moz-dialogtext instead
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idx = COLOR_WINDOWTEXT;
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break;
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case eColorID__moz_dialogtext:
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case eColorID__moz_cellhighlighttext:
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idx = COLOR_WINDOWTEXT;
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break;
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case eColorID__moz_dragtargetzone:
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idx = COLOR_HIGHLIGHTTEXT;
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break;
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case eColorID__moz_buttondefault:
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idx = COLOR_3DDKSHADOW;
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break;
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case eColorID__moz_nativehyperlinktext:
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idx = COLOR_HOTLIGHT;
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break;
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default:
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NS_WARNING("Unknown color for nsLookAndFeel");
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idx = COLOR_WINDOW;
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res = NS_ERROR_FAILURE;
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break;
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}
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aColor = GetColorForSysColorIndex(idx);
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return res;
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}
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nsresult
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nsLookAndFeel::GetIntImpl(IntID aID, int32_t &aResult)
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{
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nsresult res = nsXPLookAndFeel::GetIntImpl(aID, aResult);
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if (NS_SUCCEEDED(res))
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return res;
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res = NS_OK;
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switch (aID) {
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case eIntID_CaretBlinkTime:
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// eIntID_CaretBlinkTime is often called by updating editable text
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// that has focus. So it should be cached to improve performance.
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if (mCaretBlinkTime < 0) {
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mCaretBlinkTime = static_cast<int32_t>(::GetCaretBlinkTime());
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}
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aResult = mCaretBlinkTime;
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break;
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case eIntID_CaretWidth:
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aResult = 1;
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break;
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case eIntID_ShowCaretDuringSelection:
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aResult = 0;
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break;
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case eIntID_SelectTextfieldsOnKeyFocus:
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// Select textfield content when focused by kbd
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// used by EventStateManager::sTextfieldSelectModel
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aResult = 1;
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break;
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case eIntID_SubmenuDelay:
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// This will default to the Windows' default
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// (400ms) on error.
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aResult = GetSystemParam(SPI_GETMENUSHOWDELAY, 400);
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break;
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case eIntID_TooltipDelay:
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aResult = 500;
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break;
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case eIntID_MenusCanOverlapOSBar:
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// we want XUL popups to be able to overlap the task bar.
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aResult = 1;
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break;
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case eIntID_DragThresholdX:
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// The system metric is the number of pixels at which a drag should
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// start. Our look and feel metric is the number of pixels you can
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// move before starting a drag, so subtract 1.
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aResult = ::GetSystemMetrics(SM_CXDRAG) - 1;
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break;
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case eIntID_DragThresholdY:
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aResult = ::GetSystemMetrics(SM_CYDRAG) - 1;
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break;
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case eIntID_UseAccessibilityTheme:
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// High contrast is a misnomer under Win32 -- any theme can be used with it,
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// e.g. normal contrast with large fonts, low contrast, etc.
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// The high contrast flag really means -- use this theme and don't override it.
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if (XRE_IsContentProcess()) {
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// If we're running in the content process, then the parent should
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// have sent us the accessibility state when nsLookAndFeel
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// initialized, and stashed it in the mUseAccessibilityTheme cache.
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aResult = mUseAccessibilityTheme;
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} else {
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// Otherwise, we can ask the OS to see if we're using High Contrast
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// mode.
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aResult = nsUXThemeData::IsHighContrastOn();
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}
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break;
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case eIntID_ScrollArrowStyle:
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aResult = eScrollArrowStyle_Single;
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break;
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case eIntID_ScrollSliderStyle:
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aResult = eScrollThumbStyle_Proportional;
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break;
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case eIntID_TreeOpenDelay:
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aResult = 1000;
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break;
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case eIntID_TreeCloseDelay:
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aResult = 0;
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break;
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case eIntID_TreeLazyScrollDelay:
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aResult = 150;
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break;
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case eIntID_TreeScrollDelay:
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aResult = 100;
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break;
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case eIntID_TreeScrollLinesMax:
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aResult = 3;
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break;
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case eIntID_WindowsClassic:
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aResult = !IsAppThemed();
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break;
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case eIntID_TouchEnabled:
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aResult = WinUtils::IsTouchDeviceSupportPresent();
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break;
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case eIntID_WindowsDefaultTheme:
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if (XRE_IsContentProcess()) {
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aResult = mUseDefaultTheme;
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} else {
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aResult = nsUXThemeData::IsDefaultWindowTheme();
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}
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break;
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case eIntID_WindowsThemeIdentifier:
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if (XRE_IsContentProcess()) {
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aResult = mNativeThemeId;
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} else {
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aResult = nsUXThemeData::GetNativeThemeId();
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}
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break;
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case eIntID_OperatingSystemVersionIdentifier:
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{
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aResult = GetOperatingSystemVersion();
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break;
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}
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case eIntID_MacGraphiteTheme:
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aResult = 0;
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res = NS_ERROR_NOT_IMPLEMENTED;
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break;
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case eIntID_DWMCompositor:
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aResult = nsUXThemeData::CheckForCompositor();
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break;
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case eIntID_WindowsAccentColorInTitlebar:
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{
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nscolor unused;
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if (NS_WARN_IF(NS_FAILED(GetAccentColor(unused)))) {
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aResult = 0;
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break;
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}
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|
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uint32_t colorPrevalence;
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nsresult rv = mDwmKey->Open(nsIWindowsRegKey::ROOT_KEY_CURRENT_USER,
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NS_LITERAL_STRING("SOFTWARE\\Microsoft\\Windows\\DWM"),
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nsIWindowsRegKey::ACCESS_QUERY_VALUE);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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|
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// The ColorPrevalence value is set to 1 when the "Show color on title bar"
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|
// setting in the Color section of Window's Personalization settings is
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// turned on.
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aResult =
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(NS_SUCCEEDED(mDwmKey->ReadIntValue(NS_LITERAL_STRING("ColorPrevalence"),
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&colorPrevalence)) &&
|
|
colorPrevalence == 1) ? 1 : 0;
|
|
|
|
mDwmKey->Close();
|
|
}
|
|
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_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;
|
|
case eIntID_SystemUsesDarkTheme:
|
|
res = SystemWantsDarkTheme(aResult);
|
|
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) ? FontSlantStyle::Italic() : FontSlantStyle::Normal();
|
|
|
|
// FIXME: Other weights?
|
|
aFontStyle.weight =
|
|
(ptrLogFont->lfWeight == FW_BOLD ?
|
|
FontWeight::Bold() : FontWeight::Normal());
|
|
|
|
// FIXME: Set aFontStyle->stretch correctly!
|
|
aFontStyle.stretch = FontStretch::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 */
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsLookAndFeel::GetAccentColor(nscolor& aColor)
|
|
{
|
|
nsresult rv;
|
|
|
|
if (!mDwmKey) {
|
|
mDwmKey = do_CreateInstance("@mozilla.org/windows-registry-key;1", &rv);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
}
|
|
|
|
rv = mDwmKey->Open(nsIWindowsRegKey::ROOT_KEY_CURRENT_USER,
|
|
NS_LITERAL_STRING("SOFTWARE\\Microsoft\\Windows\\DWM"),
|
|
nsIWindowsRegKey::ACCESS_QUERY_VALUE);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
|
|
uint32_t accentColor;
|
|
if (NS_SUCCEEDED(mDwmKey->ReadIntValue(NS_LITERAL_STRING("AccentColor"), &accentColor))) {
|
|
// The order of the color components in the DWORD stored in the registry
|
|
// happens to be the same order as we store the components in nscolor
|
|
// so we can just assign directly here.
|
|
aColor = accentColor;
|
|
rv = NS_OK;
|
|
} else {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
mDwmKey->Close();
|
|
|
|
return rv;
|
|
}
|
|
|
|
/* static */ nsresult
|
|
nsLookAndFeel::GetAccentColorText(nscolor& aColor)
|
|
{
|
|
nscolor accentColor;
|
|
nsresult rv = GetAccentColor(accentColor);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
|
|
// We want the color that we return for text that will be drawn over
|
|
// a background that has the accent color to have good contrast with
|
|
// the accent color. Windows itself uses either white or black text
|
|
// depending on how light or dark the accent color is. We do the same
|
|
// here based on the luminance of the accent color with a threshhold
|
|
// value. This algorithm should match what Windows does. It comes from:
|
|
//
|
|
// https://docs.microsoft.com/en-us/windows/uwp/style/color
|
|
|
|
float luminance = (NS_GET_R(accentColor) * 2 +
|
|
NS_GET_G(accentColor) * 5 +
|
|
NS_GET_B(accentColor)) / 8;
|
|
|
|
aColor = (luminance <= 128) ? NS_RGB(255, 255, 255) : NS_RGB(0, 0, 0);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nscolor
|
|
nsLookAndFeel::GetColorForSysColorIndex(int index)
|
|
{
|
|
MOZ_ASSERT(index >= SYS_COLOR_MIN && index <= SYS_COLOR_MAX);
|
|
return mSysColorTable[index - SYS_COLOR_MIN];
|
|
}
|
|
|
|
void
|
|
nsLookAndFeel::EnsureInit()
|
|
{
|
|
if (mInitialized) {
|
|
return;
|
|
}
|
|
mInitialized = true;
|
|
|
|
nsresult res;
|
|
|
|
res = GetAccentColor(mColorAccent);
|
|
mHasColorAccent = NS_SUCCEEDED(res);
|
|
|
|
res = GetAccentColorText(mColorAccentText);
|
|
mHasColorAccentText = NS_SUCCEEDED(res);
|
|
|
|
if (IsAppThemed()) {
|
|
res = ::GetColorFromTheme(eUXMenu, MENU_POPUPITEM, MPI_HOT, TMT_TEXTCOLOR,
|
|
mColorMenuHoverText);
|
|
mHasColorMenuHoverText = NS_SUCCEEDED(res);
|
|
|
|
res = ::GetColorFromTheme(eUXMediaToolbar, TP_BUTTON, TS_NORMAL,
|
|
TMT_TEXTCOLOR, mColorMediaText);
|
|
mHasColorMediaText = NS_SUCCEEDED(res);
|
|
|
|
res = ::GetColorFromTheme(eUXCommunicationsToolbar, TP_BUTTON, TS_NORMAL,
|
|
TMT_TEXTCOLOR, mColorCommunicationsText);
|
|
mHasColorCommunicationsText = NS_SUCCEEDED(res);
|
|
}
|
|
|
|
// Fill out the sys color table.
|
|
for (int i = SYS_COLOR_MIN; i <= SYS_COLOR_MAX; ++i) {
|
|
DWORD color = ::GetSysColor(i);
|
|
mSysColorTable[i - SYS_COLOR_MIN] = COLOREF_2_NSRGB(color);
|
|
}
|
|
}
|