gecko-dev/layout/forms/nsButtonFrameRenderer.h
1999-02-19 18:23:02 +00:00

110 lines
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1998
* Netscape Communications Corporation. All Rights Reserved.
*/
/**
**/
#ifndef nsButtonFrameRenderer_h___
#define nsButtonFrameRenderer_h___
#include "nsCoord.h"
#include "nsIStyleContext.h"
#include "nsCOMPtr.h"
#include "nsFrame.h"
class nsButtonFrameRenderer {
public:
nsButtonFrameRenderer();
NS_IMETHOD HandleEvent(nsFrame* aFrame,
nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus);
virtual void PaintButton(nsFrame* aFrame,nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
const nsString& aLabel,
const nsRect& aRect);
virtual void PaintButtonBorder(nsFrame* aFrame,
nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
const nsRect& aRect);
virtual void PaintButtonContents(nsFrame* aFrame,nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
const nsString& aLabel,
const nsRect& aRect);
virtual nscoord GetVerticalInsidePadding(const nsFrame* aFrame, float aPixToTwip,
nscoord aInnerHeight) const;
virtual nscoord GetHorizontalInsidePadding(const nsFrame* aFrame,
nsIPresContext& aPresContext,
float aPixToTwip,
nscoord aInnerWidth,
nscoord aCharWidth) const;
static void MarginUnion(const nsMargin& a, const nsMargin& b, nsMargin& ab);
virtual void ResetButtonStyles();
virtual void UpdateButtonStyles(nsFrame* aFrame, nsIPresContext& aPresContext);
virtual void GetButtonMargin(nsFrame* aFrame, nsMargin& aMargin);
virtual void SetDisabled(PRBool disabled);
virtual void SetFocus(PRBool focus);
virtual void SetNameSpace(PRInt32 aNameSpaceID);
PRBool mGotFocus;
PRBool mPressed;
PRBool mMouseInside;
PRBool mDisabledChanged;
// cached styles for focus and outline.
nsCOMPtr<nsIStyleContext> mFocusStyle;
nsCOMPtr<nsIStyleContext> mOutlineStyle;
// KLUDGE variable to make sure disabling works.
PRBool mDisabled;
PRInt32 mNameSpace;
private:
void CheckDisabled(nsIContent* content);
};
#endif