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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _nsLookAndFeel
#define _nsLookAndFeel
#include <windows.h>
#include "mozilla/EnumeratedArray.h"
#include "nsXPLookAndFeel.h"
#include "gfxFont.h"
/*
* Gesture System Metrics
*/
#ifndef SM_DIGITIZER
# define SM_DIGITIZER 94
# define TABLET_CONFIG_NONE 0x00000000
# define NID_INTEGRATED_TOUCH 0x00000001
# define NID_EXTERNAL_TOUCH 0x00000002
# define NID_INTEGRATED_PEN 0x00000004
# define NID_EXTERNAL_PEN 0x00000008
# define NID_MULTI_INPUT 0x00000040
# define NID_READY 0x00000080
#endif
/*
* Tablet mode detection
*/
#ifndef SM_SYSTEMDOCKED
# define SM_CONVERTIBLESLATEMODE 0x00002003
# define SM_SYSTEMDOCKED 0x00002004
#endif
/*
* Color constant inclusive bounds for GetSysColor
*/
#define SYS_COLOR_MIN 0
#define SYS_COLOR_MAX 30
#define SYS_COLOR_COUNT (SYS_COLOR_MAX - SYS_COLOR_MIN + 1)
// Undocumented SPI, see bug 1712669 comment 4.
#define MOZ_SPI_CURSORSIZE 0x2028
#define MOZ_SPI_SETCURSORSIZE 0x2029
namespace mozilla::widget::WinRegistry {
class KeyWatcher;
}
enum class UXThemeClass : uint8_t {
Button = 0,
Edit,
Toolbar,
Progress,
Tab,
Trackbar,
Combobox,
Listview,
Menu,
NumClasses
};
// This class makes sure we don't attempt to open a theme if the previous
// loading attempt has failed because OpenThemeData is a heavy task and
// it's less likely that the API returns a different result.
class UXThemeHandle final {
mozilla::Maybe<HANDLE> mHandle;
public:
UXThemeHandle() = default;
~UXThemeHandle();
// Disallow copy and move
UXThemeHandle(const UXThemeHandle&) = delete;
UXThemeHandle(UXThemeHandle&&) = delete;
UXThemeHandle& operator=(const UXThemeHandle&) = delete;
UXThemeHandle& operator=(UXThemeHandle&&) = delete;
operator HANDLE();
void OpenOnce(LPCWSTR aClassList);
void Close();
};
class nsLookAndFeel final : public nsXPLookAndFeel {
public:
nsLookAndFeel();
virtual ~nsLookAndFeel();
static HANDLE GetTheme(UXThemeClass);
void NativeInit() final;
void RefreshImpl() override;
nsresult NativeGetInt(IntID, int32_t& aResult) override;
nsresult NativeGetFloat(FloatID, float& aResult) override;
nsresult NativeGetColor(ColorID, ColorScheme, nscolor& aResult) override;
bool NativeGetFont(FontID aID, nsString& aFontName,
gfxFontStyle& aFontStyle) override;
char16_t GetPasswordCharacterImpl() override;
nsresult GetKeyboardLayoutImpl(nsACString& aLayout) override;
bool NeedsMicaWorkaround() const {
// If there's a custom accent inactive color, and "Show accent color on
// titlebars and window borders" is set, that causes DWM to unconditionally
// draw a titlebar.
// See https://aka.ms/AAv5eie and bug 1954963.
return mTitlebarColors.mUseAccent &&
mTitlebarColors.mAccentInactive.isSome();
}
private:
struct TitlebarColors {
// NOTE: These are the DWM accent colors, which might not match the
// UISettings/UWP accent color in some cases, see bug 1796730.
mozilla::Maybe<nscolor> mAccent;
mozilla::Maybe<nscolor> mAccentText;
mozilla::Maybe<nscolor> mAccentInactive;
mozilla::Maybe<nscolor> mAccentInactiveText;
bool mUseAccent = false;
struct Set {
nscolor mBg = 0;
nscolor mFg = 0;
nscolor mBorder = 0;
};
Set mActiveLight;
Set mActiveDark;
Set mInactiveLight;
Set mInactiveDark;
const Set& Get(mozilla::ColorScheme aScheme, bool aActive) const {
if (aScheme == mozilla::ColorScheme::Dark) {
return aActive ? mActiveDark : mInactiveDark;
}
return aActive ? mActiveLight : mInactiveLight;
}
};
TitlebarColors ComputeTitlebarColors();
nscolor GetColorForSysColorIndex(int index);
LookAndFeelFont GetLookAndFeelFontInternal(const LOGFONTW& aLogFont,
bool aUseShellDlg);
uint32_t SystemColorFilter();
LookAndFeelFont GetLookAndFeelFont(LookAndFeel::FontID anID);
// Cached colors and flags indicating success in their retrieval.
mozilla::Maybe<nscolor> mColorMenuHoverText;
mozilla::Maybe<nscolor> mDarkHighlight;
mozilla::Maybe<nscolor> mDarkHighlightText;
TitlebarColors mTitlebarColors;
nscolor mColorAccent = 0;
nscolor mColorAccentText = 0;
nscolor mSysColorTable[SYS_COLOR_COUNT]{0};
bool mHighContrastOn = false;
mozilla::EnumeratedArray<UXThemeClass, UXThemeHandle,
size_t(UXThemeClass::NumClasses)>
mThemeHandles;
mozilla::UniquePtr<mozilla::widget::WinRegistry::KeyWatcher>
mColorFilterWatcher;
uint32_t mCurrentColorFilter = 0;
bool mInitialized = false;
void EnsureInit();
};
#endif
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