gecko-dev/layout/forms/nsButtonFrameRenderer.h

90 строки
2.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsButtonFrameRenderer_h___
#define nsButtonFrameRenderer_h___
#include "imgIContainer.h"
#include "nsAutoPtr.h"
#include "nsMargin.h"
class nsIFrame;
class nsFrame;
class nsDisplayList;
class nsDisplayListBuilder;
class nsPresContext;
class nsRenderingContext;
struct nsRect;
class nsStyleContext;
#define NS_BUTTON_RENDERER_FOCUS_INNER_CONTEXT_INDEX 0
#define NS_BUTTON_RENDERER_FOCUS_OUTER_CONTEXT_INDEX 1
#define NS_BUTTON_RENDERER_LAST_CONTEXT_INDEX NS_BUTTON_RENDERER_FOCUS_OUTER_CONTEXT_INDEX
class nsButtonFrameRenderer {
typedef mozilla::image::DrawResult DrawResult;
public:
nsButtonFrameRenderer();
~nsButtonFrameRenderer();
/**
* Create display list items for the button
*/
nsresult DisplayButton(nsDisplayListBuilder* aBuilder,
nsDisplayList* aBackground, nsDisplayList* aForeground);
DrawResult PaintOutlineAndFocusBorders(nsDisplayListBuilder* aBuilder,
nsPresContext* aPresContext,
nsRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
const nsRect& aRect);
DrawResult PaintBorder(nsDisplayListBuilder* aBuilder,
nsPresContext* aPresContext,
nsRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
const nsRect& aRect);
void SetFrame(nsFrame* aFrame, nsPresContext* aPresContext);
void SetDisabled(bool aDisabled, bool notify);
bool isActive();
bool isDisabled();
void GetButtonOuterFocusRect(const nsRect& aRect, nsRect& aResult);
void GetButtonRect(const nsRect& aRect, nsRect& aResult);
void GetButtonInnerFocusRect(const nsRect& aRect, nsRect& aResult);
nsMargin GetButtonOuterFocusBorderAndPadding();
nsMargin GetButtonBorderAndPadding();
nsMargin GetButtonInnerFocusMargin();
nsMargin GetButtonInnerFocusBorderAndPadding();
nsMargin GetAddedButtonBorderAndPadding();
nsStyleContext* GetStyleContext(int32_t aIndex) const;
void SetStyleContext(int32_t aIndex, nsStyleContext* aStyleContext);
void ReResolveStyles(nsPresContext* aPresContext);
nsIFrame* GetFrame();
protected:
private:
// cached styles for focus and outline.
RefPtr<nsStyleContext> mInnerFocusStyle;
RefPtr<nsStyleContext> mOuterFocusStyle;
nsFrame* mFrame;
};
#endif