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132 lines
5.1 KiB
C++
132 lines
5.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsTextControlFrame_h___
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#define nsTextControlFrame_h___
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#include "nsNativeFormControlFrame.h"
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#include "nsIStatefulFrame.h"
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class nsIContent;
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class nsIFrame;
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class nsIPresContext;
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class nsTextControlFrame : public nsNativeFormControlFrame,
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public nsIStatefulFrame
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{
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/* ---------- methods implemented by base class ---------- */
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public:
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nsTextControlFrame();
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virtual ~nsTextControlFrame();
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virtual const nsIID& GetCID();
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virtual const nsIID& GetIID();
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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NS_IMETHOD GetFrameName(nsString& aResult) const;
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virtual nscoord GetVerticalBorderWidth(float aPixToTwip) const;
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virtual nscoord GetHorizontalBorderWidth(float aPixToTwip) const;
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virtual nscoord GetVerticalInsidePadding(nsIPresContext& aPresContext,
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float aPixToTwip,
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nscoord aInnerHeight) const;
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virtual nscoord GetHorizontalInsidePadding(nsIPresContext& aPresContext,
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float aPixToTwip,
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nscoord aInnerWidth,
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nscoord aCharWidth) const;
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virtual PRInt32 GetMaxNumValues();
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NS_IMETHOD GetCursor(nsIPresContext& aPresContext, nsPoint& aPoint, PRInt32& aCursor);
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NS_IMETHOD SetSuggestedSize(nscoord aWidth, nscoord aHeight);
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//nsIStatefulFrame
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NS_IMETHOD GetStateType(StateType* aStateType);
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NS_IMETHOD SaveState(nsISupports** aState);
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NS_IMETHOD RestoreState(nsISupports* aState);
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protected:
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virtual void GetDesiredSize(nsIPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsHTMLReflowMetrics& aDesiredLayoutSize);
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virtual void GetDesiredSize(nsIPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsHTMLReflowMetrics& aDesiredLayoutSize,
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nsSize& aDesiredWidgetSize);
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PRInt32 GetDefaultColumnWidth() const { return (PRInt32)(20); } // this was DEFAULT_PIXEL_WIDTH
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private:
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NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }
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NS_IMETHOD_(nsrefcnt) Release() { return NS_OK; }
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/* ---------- abstract methods derived class must implement ---------- */
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public:
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// nsIFormControlFrame
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NS_IMETHOD SetProperty(nsIAtom* aName, const nsString& aValue)=0;
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NS_IMETHOD GetProperty(nsIAtom* aName, nsString& aValue)=0;
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virtual nsWidgetInitData* GetWidgetInitData(nsIPresContext& aPresContext)=0;
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NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aChild,
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PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aHint)=0;
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virtual void PostCreateWidget(nsIPresContext* aPresContext,
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nscoord& aWidth,
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nscoord& aHeight)=0;
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NS_IMETHOD GetText(nsString* aValue, PRBool aInitialValue)=0;
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virtual void EnterPressed(nsIPresContext& aPresContext)=0;
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virtual PRBool GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
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nsString* aValues, nsString* aNames)=0;
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virtual void Reset()=0;
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NS_IMETHOD Paint(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer)=0;
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virtual void PaintTextControlBackground(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer)=0;
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virtual void PaintTextControl(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect, nsString& aText,
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nsIStyleContext* aStyleContext,
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nsRect& aRect)=0;
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// Utility methods to get and set current widget state
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virtual void GetTextControlFrameState(nsString& aValue)=0;
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virtual void SetTextControlFrameState(const nsString& aValue)=0;
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virtual nsresult RequiresWidget(PRBool &aRequiresWidget)=0;
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};
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#endif
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