94 lines
2.8 KiB
C++
94 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __nsLookAndFeel
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#define __nsLookAndFeel
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#include "nsXPLookAndFeel.h"
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#include "nsIWindowsRegKey.h"
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/*
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* Gesture System Metrics
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*/
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#ifndef SM_DIGITIZER
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#define SM_DIGITIZER 94
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#define TABLET_CONFIG_NONE 0x00000000
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#define NID_INTEGRATED_TOUCH 0x00000001
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#define NID_EXTERNAL_TOUCH 0x00000002
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#define NID_INTEGRATED_PEN 0x00000004
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#define NID_EXTERNAL_PEN 0x00000008
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#define NID_MULTI_INPUT 0x00000040
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#define NID_READY 0x00000080
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#endif
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/*
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* Tablet mode detection
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*/
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#ifndef SM_SYSTEMDOCKED
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#define SM_CONVERTIBLESLATEMODE 0x00002003
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#define SM_SYSTEMDOCKED 0x00002004
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typedef enum _AR_STATE
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{
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AR_ENABLED = 0x0,
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AR_DISABLED = 0x1,
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AR_SUPPRESSED = 0x2,
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AR_REMOTESESSION = 0x4,
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AR_MULTIMON = 0x8,
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AR_NOSENSOR = 0x10,
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AR_NOT_SUPPORTED = 0x20,
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AR_DOCKED = 0x40,
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AR_LAPTOP = 0x80
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} AR_STATE, *PAR_STATE;
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#endif
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class nsLookAndFeel: public nsXPLookAndFeel {
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static OperatingSystemVersion GetOperatingSystemVersion();
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public:
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nsLookAndFeel();
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virtual ~nsLookAndFeel();
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virtual nsresult NativeGetColor(ColorID aID, nscolor &aResult);
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virtual nsresult GetIntImpl(IntID aID, int32_t &aResult);
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virtual nsresult GetFloatImpl(FloatID aID, float &aResult);
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virtual bool GetFontImpl(FontID aID, nsString& aFontName,
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gfxFontStyle& aFontStyle,
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float aDevPixPerCSSPixel);
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virtual char16_t GetPasswordCharacterImpl();
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virtual nsTArray<LookAndFeelInt> GetIntCacheImpl();
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virtual void SetIntCacheImpl(const nsTArray<LookAndFeelInt>& aLookAndFeelIntCache);
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private:
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/**
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* Fetches the Windows accent color from the Windows settings if
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* the accent color is set to apply to the title bar, otherwise
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* returns an error code.
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*/
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nsresult GetAccentColor(nscolor& aColor);
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/**
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* Determines whether the Windows accent color is considered dark
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* with a threshhold value and formula that are specified in the
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* UWP guidelines.
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* See: https://docs.microsoft.com/en-us/windows/uwp/style/color
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*/
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bool AccentColorIsDark(nscolor aColor);
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/**
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* If the Windows accent color from the Windows settings is set
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* to apply to the title bar, this computes the color that should
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* be used for text that is to be written over a background that has
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* the accent color. Otherwise, (if the accent color should not
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* apply to the title bar) this returns an error code.
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*/
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nsresult GetAccentColorText(nscolor& aColor);
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int32_t mUseAccessibilityTheme;
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nsCOMPtr<nsIWindowsRegKey> mDwmKey;
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};
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#endif
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