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1093edd76c
Currently, There are multiple places that call the Win32 APIs for DWM status. Once Win32k lockdown is enabled, this API will be unavailable and will need to be remoted. This new function will be made to work in both parent and content processes, and therefore all DWM queries must be directed to it. Also, some minor cleanup because... Why not? Differential Revision: https://phabricator.services.mozilla.com/D73742
917 lines
27 KiB
C++
917 lines
27 KiB
C++
/* -*- 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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#include "gfxWindowsPlatform.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 nsLookAndFeel::GetOperatingSystemVersion() {
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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, int32_t aPart,
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int32_t aState, int32_t aPropId,
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nscolor& aColor) {
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COLORREF color;
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HRESULT hr = GetThemeColor(nsUXThemeData::GetTheme(cls), aPart, aState,
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aPropId, &color);
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if (hr == S_OK) {
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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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DWORD value;
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return ::SystemParametersInfo(flag, 0, &value, 0) ? value : def;
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}
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static nsresult SystemWantsDarkTheme(int32_t& darkThemeEnabled) {
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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(
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nsIWindowsRegKey::ROOT_KEY_CURRENT_USER,
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NS_LITERAL_STRING(
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"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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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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void nsLookAndFeel::NativeInit() { EnsureInit(); }
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/* virtual */
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void nsLookAndFeel::RefreshImpl() {
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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 nsLookAndFeel::NativeGetColor(ColorID aID, nscolor& aColor) {
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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 ColorID::WindowBackground:
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idx = COLOR_WINDOW;
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break;
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case ColorID::WindowForeground:
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idx = COLOR_WINDOWTEXT;
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break;
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case ColorID::WidgetBackground:
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idx = COLOR_BTNFACE;
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break;
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case ColorID::WidgetForeground:
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idx = COLOR_BTNTEXT;
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break;
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case ColorID::WidgetSelectBackground:
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idx = COLOR_HIGHLIGHT;
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break;
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case ColorID::WidgetSelectForeground:
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idx = COLOR_HIGHLIGHTTEXT;
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break;
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case ColorID::Widget3DHighlight:
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idx = COLOR_BTNHIGHLIGHT;
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break;
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case ColorID::Widget3DShadow:
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idx = COLOR_BTNSHADOW;
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break;
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case ColorID::TextBackground:
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idx = COLOR_WINDOW;
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break;
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case ColorID::TextForeground:
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idx = COLOR_WINDOWTEXT;
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break;
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case ColorID::TextSelectBackground:
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case ColorID::IMESelectedRawTextBackground:
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case ColorID::IMESelectedConvertedTextBackground:
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idx = COLOR_HIGHLIGHT;
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break;
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case ColorID::TextSelectForeground:
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case ColorID::IMESelectedRawTextForeground:
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case ColorID::IMESelectedConvertedTextForeground:
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idx = COLOR_HIGHLIGHTTEXT;
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break;
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case ColorID::IMERawInputBackground:
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case ColorID::IMEConvertedTextBackground:
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aColor = NS_TRANSPARENT;
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return NS_OK;
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case ColorID::IMERawInputForeground:
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case ColorID::IMEConvertedTextForeground:
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aColor = NS_SAME_AS_FOREGROUND_COLOR;
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return NS_OK;
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case ColorID::IMERawInputUnderline:
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case ColorID::IMEConvertedTextUnderline:
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aColor = NS_SAME_AS_FOREGROUND_COLOR;
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return NS_OK;
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case ColorID::IMESelectedRawTextUnderline:
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case ColorID::IMESelectedConvertedTextUnderline:
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aColor = NS_TRANSPARENT;
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return NS_OK;
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case ColorID::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 ColorID::Activeborder:
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idx = COLOR_ACTIVEBORDER;
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break;
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case ColorID::Activecaption:
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idx = COLOR_ACTIVECAPTION;
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break;
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case ColorID::Appworkspace:
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idx = COLOR_APPWORKSPACE;
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break;
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case ColorID::Background:
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idx = COLOR_BACKGROUND;
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break;
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case ColorID::Buttonface:
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case ColorID::MozButtonhoverface:
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idx = COLOR_BTNFACE;
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break;
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case ColorID::Buttonhighlight:
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idx = COLOR_BTNHIGHLIGHT;
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break;
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case ColorID::Buttonshadow:
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idx = COLOR_BTNSHADOW;
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break;
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case ColorID::Buttontext:
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case ColorID::MozButtonhovertext:
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idx = COLOR_BTNTEXT;
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break;
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case ColorID::Captiontext:
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idx = COLOR_CAPTIONTEXT;
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break;
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case ColorID::Graytext:
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idx = COLOR_GRAYTEXT;
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break;
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case ColorID::Highlight:
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case ColorID::MozHtmlCellhighlight:
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case ColorID::MozMenuhover:
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idx = COLOR_HIGHLIGHT;
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break;
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case ColorID::MozMenubarhovertext:
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if (!IsAppThemed()) {
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idx = nsUXThemeData::sFlatMenus ? COLOR_HIGHLIGHTTEXT : COLOR_MENUTEXT;
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break;
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}
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// Fall through
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case ColorID::MozMenuhovertext:
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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 ColorID::Highlighttext:
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case ColorID::MozHtmlCellhighlighttext:
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idx = COLOR_HIGHLIGHTTEXT;
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break;
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case ColorID::Inactiveborder:
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idx = COLOR_INACTIVEBORDER;
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break;
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case ColorID::Inactivecaption:
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idx = COLOR_INACTIVECAPTION;
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break;
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case ColorID::Inactivecaptiontext:
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idx = COLOR_INACTIVECAPTIONTEXT;
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break;
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case ColorID::Infobackground:
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idx = COLOR_INFOBK;
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break;
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case ColorID::Infotext:
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idx = COLOR_INFOTEXT;
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break;
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case ColorID::Menu:
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idx = COLOR_MENU;
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break;
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case ColorID::Menutext:
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case ColorID::MozMenubartext:
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idx = COLOR_MENUTEXT;
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break;
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case ColorID::Scrollbar:
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idx = COLOR_SCROLLBAR;
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break;
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case ColorID::Threeddarkshadow:
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idx = COLOR_3DDKSHADOW;
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break;
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case ColorID::Threedface:
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idx = COLOR_3DFACE;
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break;
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case ColorID::Threedhighlight:
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idx = COLOR_3DHIGHLIGHT;
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break;
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case ColorID::Threedlightshadow:
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idx = COLOR_3DLIGHT;
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break;
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case ColorID::Threedshadow:
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idx = COLOR_3DSHADOW;
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break;
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case ColorID::Window:
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idx = COLOR_WINDOW;
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break;
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case ColorID::Windowframe:
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idx = COLOR_WINDOWFRAME;
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break;
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case ColorID::Windowtext:
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idx = COLOR_WINDOWTEXT;
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break;
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case ColorID::MozEventreerow:
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case ColorID::MozOddtreerow:
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case ColorID::Field:
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case ColorID::MozCombobox:
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idx = COLOR_WINDOW;
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break;
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case ColorID::Fieldtext:
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case ColorID::MozComboboxtext:
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idx = COLOR_WINDOWTEXT;
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break;
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case ColorID::MozDialog:
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case ColorID::MozCellhighlight:
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idx = COLOR_3DFACE;
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break;
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case ColorID::MozWinAccentcolor:
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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 ColorID::MozWinAccentcolortext:
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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 ColorID::MozWinMediatext:
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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 ColorID::MozWinCommunicationstext:
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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 ColorID::MozDialogtext:
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case ColorID::MozCellhighlighttext:
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idx = COLOR_WINDOWTEXT;
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break;
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case ColorID::MozDragtargetzone:
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idx = COLOR_HIGHLIGHTTEXT;
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break;
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case ColorID::MozButtondefault:
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idx = COLOR_3DDKSHADOW;
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break;
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case ColorID::MozNativehyperlinktext:
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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 nsLookAndFeel::GetIntImpl(IntID aID, int32_t& aResult) {
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nsresult res = nsXPLookAndFeel::GetIntImpl(aID, aResult);
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if (NS_SUCCEEDED(res)) 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
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// it, e.g. normal contrast with large fonts, low contrast, etc. The high
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// 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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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 = gfxWindowsPlatform::GetPlatform()->DwmCompositionEnabled();
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break;
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case eIntID_WindowsAccentColorInTitlebar: {
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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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uint32_t colorPrevalence;
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nsresult rv =
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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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// The ColorPrevalence value is set to 1 when the "Show color on title
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// bar" setting in the Color section of Window's Personalization settings
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// is turned on.
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aResult = (NS_SUCCEEDED(mDwmKey->ReadIntValue(
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NS_LITERAL_STRING("ColorPrevalence"), &colorPrevalence)) &&
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colorPrevalence == 1)
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? 1
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: 0;
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mDwmKey->Close();
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} break;
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case eIntID_WindowsGlass:
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// Aero Glass is only available prior to Windows 8 when DWM is used.
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aResult = (gfxWindowsPlatform::GetPlatform()->DwmCompositionEnabled() &&
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!IsWin8OrLater());
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break;
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case eIntID_AlertNotificationOrigin:
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aResult = 0;
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{
|
|
// 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;
|
|
case eIntID_PrefersReducedMotion: {
|
|
BOOL enableAnimation = TRUE;
|
|
::SystemParametersInfoW(SPI_GETCLIENTAREAANIMATION, 0, &enableAnimation,
|
|
0);
|
|
aResult = enableAnimation ? 0 : 1;
|
|
break;
|
|
}
|
|
case eIntID_PrimaryPointerCapabilities: {
|
|
PointerCapabilities caps =
|
|
widget::WinUtils::GetPrimaryPointerCapabilities();
|
|
aResult = static_cast<int32_t>(caps);
|
|
break;
|
|
}
|
|
case eIntID_AllPointerCapabilities: {
|
|
PointerCapabilities caps = widget::WinUtils::GetAllPointerCapabilities();
|
|
aResult = static_cast<int32_t>(caps);
|
|
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) {
|
|
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;
|
|
}
|
|
}
|
|
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);
|
|
}
|
|
|
|
RecordTelemetry();
|
|
}
|