widget/windows/nsLookAndFeel.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef __nsLookAndFeel
   7 #define __nsLookAndFeel
   8
   9 #include <windows.h>
  10
  11 #include "nsXPLookAndFeel.h"
  12 #include "gfxFont.h"
  13
  14 /*
  15  * Gesture System Metrics
  16  */
  17 #ifndef SM_DIGITIZER
  18 #  define SM_DIGITIZER 94
  19 #  define TABLET_CONFIG_NONE 0x00000000
  20 #  define NID_INTEGRATED_TOUCH 0x00000001
  21 #  define NID_EXTERNAL_TOUCH 0x00000002
  22 #  define NID_INTEGRATED_PEN 0x00000004
  23 #  define NID_EXTERNAL_PEN 0x00000008
  24 #  define NID_MULTI_INPUT 0x00000040
  25 #  define NID_READY 0x00000080
  26 #endif
  27
  28 /*
  29  * Tablet mode detection
  30  */
  31 #ifndef SM_SYSTEMDOCKED
  32 #  define SM_CONVERTIBLESLATEMODE 0x00002003
  33 #  define SM_SYSTEMDOCKED 0x00002004
  34 #endif
  35
  36 /*
  37  * Color constant inclusive bounds for GetSysColor
  38  */
  39 #define SYS_COLOR_MIN 0
  40 #define SYS_COLOR_MAX 30
  41 #define SYS_COLOR_COUNT (SYS_COLOR_MAX - SYS_COLOR_MIN + 1)
  42
  43 // Undocumented SPI, see bug 1712669 comment 4.
  44 #define MOZ_SPI_CURSORSIZE 0x2028
  45 #define MOZ_SPI_SETCURSORSIZE 0x2029
  46
  47 namespace mozilla::widget::WinRegistry {
  48 class KeyWatcher;
  49 }
  50
  51 class nsLookAndFeel final : public nsXPLookAndFeel {
  52  public:
  53   nsLookAndFeel();
  54   virtual ~nsLookAndFeel();
  55
  56   void NativeInit() final;
  57   void RefreshImpl() override;
  58   nsresult NativeGetInt(IntID, int32_t& aResult) override;
  59   nsresult NativeGetFloat(FloatID, float& aResult) override;
  60   nsresult NativeGetColor(ColorID, ColorScheme, nscolor& aResult) override;
  61   bool NativeGetFont(FontID aID, nsString& aFontName,
  62                      gfxFontStyle& aFontStyle) override;
  63   char16_t GetPasswordCharacterImpl() override;
  64
  65   nsresult GetKeyboardLayoutImpl(nsACString& aLayout) override;
  66
  67  private:
  68   struct TitlebarColors {
  69     // NOTE: These are the DWM accent colors, which might not match the
  70     // UISettings/UWP accent color in some cases, see bug 1796730.
  71     mozilla::Maybe<nscolor> mAccent;
  72     mozilla::Maybe<nscolor> mAccentText;
  73     mozilla::Maybe<nscolor> mAccentInactive;
  74     mozilla::Maybe<nscolor> mAccentInactiveText;
  75
  76     bool mUseAccent = false;
  77
  78     struct Set {
  79       nscolor mBg = 0;
  80       nscolor mFg = 0;
  81       nscolor mBorder = 0;
  82     };
  83
  84     Set mActiveLight;
  85     Set mActiveDark;
  86
  87     Set mInactiveLight;
  88     Set mInactiveDark;
  89
  90     const Set& Get(mozilla::ColorScheme aScheme, bool aActive) const {
  91       if (aScheme == mozilla::ColorScheme::Dark) {
  92         return aActive ? mActiveDark : mInactiveDark;
  93       }
  94       return aActive ? mActiveLight : mInactiveLight;
  95     }
  96   };
  97
  98   TitlebarColors ComputeTitlebarColors();
  99
 100   nscolor GetColorForSysColorIndex(int index);
 101
 102   LookAndFeelFont GetLookAndFeelFontInternal(const LOGFONTW& aLogFont,
 103                                              bool aUseShellDlg);
 104
 105   uint32_t SystemColorFilter();
 106
 107   LookAndFeelFont GetLookAndFeelFont(LookAndFeel::FontID anID);
 108
 109   // Cached colors and flags indicating success in their retrieval.
 110   mozilla::Maybe<nscolor> mColorMenuHoverText;
 111
 112   mozilla::Maybe<nscolor> mDarkHighlight;
 113   mozilla::Maybe<nscolor> mDarkHighlightText;
 114
 115   TitlebarColors mTitlebarColors;
 116
 117   nscolor mColorAccent = 0;
 118   nscolor mColorAccentText = 0;
 119
 120   nscolor mSysColorTable[SYS_COLOR_COUNT];
 121
 122   mozilla::UniquePtr<mozilla::widget::WinRegistry::KeyWatcher>
 123       mColorFilterWatcher;
 124   uint32_t mCurrentColorFilter = 0;
 125
 126   bool mInitialized = false;
 127   void EnsureInit();
 128 };
 129
 130 #endif