зеркало из https://github.com/mozilla/gecko-dev.git
134 строки
3.6 KiB
C++
134 строки
3.6 KiB
C++
/* vim: se cin sw=2 ts=2 et : */
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __UXThemeData_h__
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#define __UXThemeData_h__
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#include <windows.h>
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#include <uxtheme.h>
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#include "nscore.h"
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#include "mozilla/LookAndFeel.h"
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#include "mozilla/Maybe.h"
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#include "WinUtils.h"
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#include "nsWindowDefs.h"
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enum nsUXThemeClass {
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eUXButton = 0,
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eUXEdit,
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eUXTooltip,
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eUXRebar,
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eUXMediaRebar,
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eUXCommunicationsRebar,
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eUXBrowserTabBarRebar,
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eUXToolbar,
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eUXMediaToolbar,
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eUXCommunicationsToolbar,
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eUXProgress,
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eUXTab,
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eUXScrollbar,
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eUXTrackbar,
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eUXSpin,
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eUXStatus,
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eUXCombobox,
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eUXHeader,
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eUXListview,
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eUXMenu,
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eUXWindowFrame,
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eUXNumClasses
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};
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// Native windows style constants
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enum WindowsTheme {
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WINTHEME_UNRECOGNIZED = 0,
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WINTHEME_CLASSIC = 1, // no theme
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WINTHEME_AERO = 2,
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WINTHEME_LUNA = 3,
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WINTHEME_ROYALE = 4,
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WINTHEME_ZUNE = 5,
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WINTHEME_AERO_LITE = 6
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};
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enum WindowsThemeColor {
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WINTHEMECOLOR_UNRECOGNIZED = 0,
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WINTHEMECOLOR_NORMAL = 1,
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WINTHEMECOLOR_HOMESTEAD = 2,
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WINTHEMECOLOR_METALLIC = 3
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};
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enum CmdButtonIdx {
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CMDBUTTONIDX_MINIMIZE = 0,
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CMDBUTTONIDX_RESTORE,
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CMDBUTTONIDX_CLOSE,
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CMDBUTTONIDX_BUTTONBOX
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};
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class nsUXThemeData {
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// This class makes sure we don't attempt to open a theme if the previous
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// loading attempt has failed because OpenThemeData is a heavy task and
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// it's less likely that the API returns a different result.
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class ThemeHandle final {
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mozilla::Maybe<HANDLE> mHandle;
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public:
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ThemeHandle() = default;
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~ThemeHandle();
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// Disallow copy and move
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ThemeHandle(const ThemeHandle&) = delete;
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ThemeHandle(ThemeHandle&&) = delete;
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ThemeHandle& operator=(const ThemeHandle&) = delete;
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ThemeHandle& operator=(ThemeHandle&&) = delete;
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operator HANDLE();
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void OpenOnce(HWND aWindow, LPCWSTR aClassList);
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void Close();
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};
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static ThemeHandle sThemes[eUXNumClasses];
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// We initialize sCommandButtonBoxMetrics separately as a performance
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// optimization to avoid fetching dummy values for sCommandButtonMetrics
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// when we don't need those.
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static SIZE sCommandButtonMetrics[3];
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static bool sCommandButtonMetricsInitialized;
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static SIZE sCommandButtonBoxMetrics;
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static bool sCommandButtonBoxMetricsInitialized;
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static const wchar_t* GetClassName(nsUXThemeClass);
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static void EnsureCommandButtonMetrics();
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static void EnsureCommandButtonBoxMetrics();
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public:
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static bool sTitlebarInfoPopulatedAero;
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static bool sTitlebarInfoPopulatedThemed;
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static mozilla::LookAndFeel::WindowsTheme sThemeId;
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static bool sIsDefaultWindowsTheme;
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static bool sIsHighContrastOn;
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static void Invalidate();
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static HANDLE GetTheme(nsUXThemeClass cls);
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static HMODULE GetThemeDLL();
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// nsWindow calls this to update desktop settings info
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static void UpdateTitlebarInfo(HWND aWnd);
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static SIZE GetCommandButtonMetrics(CmdButtonIdx aMetric) {
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EnsureCommandButtonMetrics();
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return sCommandButtonMetrics[aMetric];
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}
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static SIZE GetCommandButtonBoxMetrics() {
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EnsureCommandButtonBoxMetrics();
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return sCommandButtonBoxMetrics;
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}
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static void UpdateNativeThemeInfo();
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static mozilla::LookAndFeel::WindowsTheme GetNativeThemeId();
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static bool IsDefaultWindowTheme();
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static bool IsHighContrastOn();
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static bool AreFlatMenusEnabled();
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static bool IsAppThemed();
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};
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#endif // __UXThemeData_h__
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