nsLookAndFeel.h - mozsearch

Enable keyboard shortcuts

/* -*- 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 "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;

class nsLookAndFeel final : public nsXPLookAndFeel {

 public:

  nsLookAndFeel();

  virtual ~nsLookAndFeel();

  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;

 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];

  mozilla::UniquePtr<mozilla::widget::WinRegistry::KeyWatcher>

      mColorFilterWatcher;

  uint32_t mCurrentColorFilter = 0;

  bool mInitialized = false;

  void EnsureInit();

};

#endif