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 <bitset>
  10 #include <windows.h>
  11
  12 #include "nsXPLookAndFeel.h"
  13 #include "gfxFont.h"
  14 #include "mozilla/RangedArray.h"
  15 #include "nsIWindowsRegKey.h"
  16
  17 /*
  18  * Gesture System Metrics
  19  */
  20 #ifndef SM_DIGITIZER
  21 #  define SM_DIGITIZER 94
  22 #  define TABLET_CONFIG_NONE 0x00000000
  23 #  define NID_INTEGRATED_TOUCH 0x00000001
  24 #  define NID_EXTERNAL_TOUCH 0x00000002
  25 #  define NID_INTEGRATED_PEN 0x00000004
  26 #  define NID_EXTERNAL_PEN 0x00000008
  27 #  define NID_MULTI_INPUT 0x00000040
  28 #  define NID_READY 0x00000080
  29 #endif
  30
  31 /*
  32  * Tablet mode detection
  33  */
  34 #ifndef SM_SYSTEMDOCKED
  35 #  define SM_CONVERTIBLESLATEMODE 0x00002003
  36 #  define SM_SYSTEMDOCKED 0x00002004
  37 #endif
  38
  39 /*
  40  * Color constant inclusive bounds for GetSysColor
  41  */
  42 #define SYS_COLOR_MIN 0
  43 #define SYS_COLOR_MAX 30
  44 #define SYS_COLOR_COUNT (SYS_COLOR_MAX - SYS_COLOR_MIN + 1)
  45
  46 class nsLookAndFeel final : public nsXPLookAndFeel {
  47  public:
  48   nsLookAndFeel();
  49   virtual ~nsLookAndFeel();
  50
  51   void NativeInit() final;
  52   void RefreshImpl() override;
  53   nsresult NativeGetInt(IntID, int32_t& aResult) override;
  54   nsresult NativeGetFloat(FloatID, float& aResult) override;
  55   nsresult NativeGetColor(ColorID, ColorScheme, nscolor& aResult) override;
  56   bool NativeGetFont(FontID aID, nsString& aFontName,
  57                      gfxFontStyle& aFontStyle) override;
  58   char16_t GetPasswordCharacterImpl() override;
  59
  60  private:
  61   struct TitlebarColors {
  62     // NOTE: These are the DWM accent colors, which might not match the
  63     // UISettings/UWP accent color in some cases, see bug 1796730.
  64     mozilla::Maybe<nscolor> mAccent;
  65     mozilla::Maybe<nscolor> mAccentText;
  66     mozilla::Maybe<nscolor> mAccentInactive;
  67     mozilla::Maybe<nscolor> mAccentInactiveText;
  68
  69     bool mUseAccent = false;
  70
  71     struct Set {
  72       nscolor mBg = 0;
  73       nscolor mFg = 0;
  74       nscolor mBorder = 0;
  75     };
  76
  77     Set mActiveLight;
  78     Set mActiveDark;
  79
  80     Set mInactiveLight;
  81     Set mInactiveDark;
  82
  83     const Set& Get(mozilla::ColorScheme aScheme, bool aActive) const {
  84       if (aScheme == mozilla::ColorScheme::Dark) {
  85         return aActive ? mActiveDark : mInactiveDark;
  86       }
  87       return aActive ? mActiveLight : mInactiveLight;
  88     }
  89   };
  90
  91   TitlebarColors ComputeTitlebarColors();
  92
  93   nscolor GetColorForSysColorIndex(int index);
  94
  95   LookAndFeelFont GetLookAndFeelFontInternal(const LOGFONTW& aLogFont,
  96                                              bool aUseShellDlg);
  97
  98   LookAndFeelFont GetLookAndFeelFont(LookAndFeel::FontID anID);
  99
 100   // Cached colors and flags indicating success in their retrieval.
 101   mozilla::Maybe<nscolor> mColorMenuHoverText;
 102
 103   mozilla::Maybe<nscolor> mDarkHighlight;
 104   mozilla::Maybe<nscolor> mDarkHighlightText;
 105
 106   TitlebarColors mTitlebarColors;
 107
 108   nscolor mColorAccent = 0;
 109   nscolor mColorAccentText = 0;
 110
 111   nscolor mSysColorTable[SYS_COLOR_COUNT];
 112
 113   bool mInitialized = false;
 114
 115   void EnsureInit();
 116 };
 117
 118 #endif