Mozilla/mozilla/layout/html/forms/src/nsRadioControlFrame.h
joki%netscape.com 42816305d4 Fixing keyboard control of forms
git-svn-id: svn://10.0.0.236/trunk@26493 18797224-902f-48f8-a5cc-f745e15eee43
1999-04-06 18:55:06 +00:00

128 lines
4.2 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 "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsRadioControlFrame_h___
#define nsRadioControlFrame_h___
#include "nsFormControlFrame.h"
#include "nsVoidArray.h"
#include "nsString.h"
class nsIAtom;
// nsRadioControlFrame
class nsRadioControlFrame : public nsFormControlFrame
{
public:
nsRadioControlFrame();
// nsFormControlFrame overrides
nsresult RequiresWidget(PRBool &aHasWidget);
// nsIFormControlFrame
NS_IMETHOD SetProperty(nsIAtom* aName, const nsString& aValue);
NS_IMETHOD GetProperty(nsIAtom* aName, nsString& aValue);
virtual void PostCreateWidget(nsIPresContext* aPresContext,
nscoord& aWidth,
nscoord& aHeight);
NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
nsIContent* aChild,
nsIAtom* aAttribute,
PRInt32 aHint);
NS_IMETHOD GetFrameName(nsString& aResult) const;
virtual PRBool GetChecked(PRBool aGetInitialValue);
virtual void SetChecked(PRBool aValue, PRBool aSetInitialValue);
virtual PRInt32 GetMaxNumValues() { return 1; }
virtual PRBool GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
nsString* aValues, nsString* aNames);
virtual void MouseClicked(nsIPresContext* aPresContext);
virtual void Reset();
virtual const nsIID& GetCID();
virtual const nsIID& GetIID();
//
// XXX: The following paint methods are TEMPORARY. It is being used to get printing working
// under windows. Later it may be used to GFX-render the controls to the display.
// Expect this code to repackaged and moved to a new location in the future.
//
NS_IMETHOD Paint(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer);
virtual void PaintRadioButton(nsIPresContext& aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect);
NS_IMETHOD HandleEvent(nsIPresContext& aPresContext,
nsGUIEvent* aEvent,
nsEventStatus& aEventStatus);
///XXX: End o the temporary methods
protected:
// Utility methods for implementing SetProperty/GetProperty
void SetRadioControlFrameState(const nsString& aValue);
void GetRadioControlFrameState(nsString& aValue);
virtual nscoord GetRadioboxSize(float aPixToTwip) const;
virtual void GetDesiredSize(nsIPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aDesiredLayoutSize,
nsSize& aDesiredWidgetSize);
//GFX-rendered state variables
PRBool mChecked;
};
// nsRadioControlGroup
class nsRadioControlGroup
{
public:
nsRadioControlGroup(nsString& aName);
virtual ~nsRadioControlGroup();
PRBool AddRadio(nsRadioControlFrame* aRadio);
PRInt32 GetRadioCount() const;
nsRadioControlFrame* GetRadioAt(PRInt32 aIndex) const;
PRBool RemoveRadio(nsRadioControlFrame* aRadio);
nsRadioControlFrame* GetCheckedRadio();
void SetCheckedRadio(nsRadioControlFrame* aRadio);
void GetName(nsString& aNameResult) const;
protected:
nsString mName;
nsVoidArray mRadios;
nsRadioControlFrame* mCheckedRadio;
};
#endif