зеркало из https://github.com/mozilla/gecko-dev.git
103 строки
4.0 KiB
C++
103 строки
4.0 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 _GTK_NSNATIVETHEMEGTK_H_
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#define _GTK_NSNATIVETHEMEGTK_H_
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#include "nsITheme.h"
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#include "nsCOMPtr.h"
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#include "nsAtom.h"
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#include "nsIObserver.h"
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#include "nsNativeTheme.h"
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#include "nsThemeConstants.h"
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#include <gtk/gtk.h>
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#include "gtkdrawing.h"
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class nsNativeThemeGTK final : private nsNativeTheme,
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public nsITheme,
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public nsIObserver {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIOBSERVER
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// The nsITheme interface.
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NS_IMETHOD DrawWidgetBackground(gfxContext* aContext,
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nsIFrame* aFrame, uint8_t aWidgetType,
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const nsRect& aRect,
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const nsRect& aDirtyRect) override;
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NS_IMETHOD GetWidgetBorder(nsDeviceContext* aContext, nsIFrame* aFrame,
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uint8_t aWidgetType,
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nsIntMargin* aResult) override;
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virtual bool GetWidgetPadding(nsDeviceContext* aContext,
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nsIFrame* aFrame,
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uint8_t aWidgetType,
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nsIntMargin* aResult) override;
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virtual bool GetWidgetOverflow(nsDeviceContext* aContext,
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nsIFrame* aFrame,
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uint8_t aWidgetType,
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nsRect* aOverflowRect) override;
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NS_IMETHOD GetMinimumWidgetSize(nsPresContext* aPresContext,
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nsIFrame* aFrame, uint8_t aWidgetType,
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mozilla::LayoutDeviceIntSize* aResult,
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bool* aIsOverridable) override;
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NS_IMETHOD WidgetStateChanged(nsIFrame* aFrame, uint8_t aWidgetType,
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nsAtom* aAttribute,
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bool* aShouldRepaint,
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const nsAttrValue* aOldValue) override;
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NS_IMETHOD ThemeChanged() override;
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NS_IMETHOD_(bool) ThemeSupportsWidget(nsPresContext* aPresContext,
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nsIFrame* aFrame,
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uint8_t aWidgetType) override;
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NS_IMETHOD_(bool) WidgetIsContainer(uint8_t aWidgetType) override;
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NS_IMETHOD_(bool) ThemeDrawsFocusForWidget(uint8_t aWidgetType) override;
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virtual bool ThemeNeedsComboboxDropmarker() override;
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virtual Transparency GetWidgetTransparency(nsIFrame* aFrame,
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uint8_t aWidgetType) override;
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nsNativeThemeGTK();
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protected:
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virtual ~nsNativeThemeGTK();
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private:
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GtkTextDirection GetTextDirection(nsIFrame* aFrame);
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gint GetTabMarginPixels(nsIFrame* aFrame);
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bool GetGtkWidgetAndState(uint8_t aWidgetType, nsIFrame* aFrame,
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WidgetNodeType& aGtkWidgetType,
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GtkWidgetState* aState, gint* aWidgetFlags);
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bool GetExtraSizeForWidget(nsIFrame* aFrame, uint8_t aWidgetType,
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nsIntMargin* aExtra);
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void RefreshWidgetWindow(nsIFrame* aFrame);
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WidgetNodeType NativeThemeToGtkTheme(uint8_t aWidgetType, nsIFrame* aFrame);
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uint8_t mDisabledWidgetTypes[(ThemeWidgetType_COUNT + 7) / 8];
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uint8_t mSafeWidgetStates[ThemeWidgetType_COUNT * 4]; // 32 bits per widget
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static const char* sDisabledEngines[];
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// Because moz_gtk_get_widget_border can be slow, we cache its results
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// by widget type. Each bit in mBorderCacheValid says whether the
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// corresponding entry in mBorderCache is valid.
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void GetCachedWidgetBorder(nsIFrame* aFrame, uint8_t aWidgetType,
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GtkTextDirection aDirection, nsIntMargin* aResult);
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uint8_t mBorderCacheValid[(MOZ_GTK_WIDGET_NODE_COUNT + 7) / 8];
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nsIntMargin mBorderCache[MOZ_GTK_WIDGET_NODE_COUNT];
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};
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#endif
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