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   /**
  62    * Fetches the Windows accent color from the Windows settings if
  63    * the accent color is set to apply to the title bar, otherwise
  64    * returns an error code.
  65    */
  66   nsresult GetAccentColor(nscolor& aColor);
  67
  68   /**
  69    * If the Windows accent color from the Windows settings is set
  70    * to apply to the title bar, this computes the color that should
  71    * be used for text that is to be written over a background that has
  72    * the accent color.  Otherwise, (if the accent color should not
  73    * apply to the title bar) this returns an error code.
  74    */
  75   nsresult GetAccentColorText(nscolor& aColor);
  76
  77   nscolor GetColorForSysColorIndex(int index);
  78
  79   LookAndFeelFont GetLookAndFeelFontInternal(const LOGFONTW& aLogFont,
  80                                              bool aUseShellDlg);
  81
  82   LookAndFeelFont GetLookAndFeelFont(LookAndFeel::FontID anID);
  83
  84   // Cached colors and flags indicating success in their retrieval.
  85   nscolor mColorMenuHoverText;
  86   bool mHasColorMenuHoverText;
  87   nscolor mColorAccent;
  88   bool mHasColorAccent;
  89   nscolor mColorAccentText;
  90   bool mHasColorAccentText;
  91   nscolor mColorMediaText;
  92   bool mHasColorMediaText;
  93   nscolor mColorCommunicationsText;
  94   bool mHasColorCommunicationsText;
  95
  96   nscolor mSysColorTable[SYS_COLOR_COUNT];
  97
  98   bool mInitialized;
  99
 100   void EnsureInit();
 101
 102   nsCOMPtr<nsIWindowsRegKey> mDwmKey;
 103 };
 104
 105 #endif