1998-11-10 02:30:16 +03:00
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/* -*- 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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1999-02-12 20:45:58 +03:00
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#include "nsCOMPtr.h"
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1999-04-14 01:51:43 +04:00
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#include "nsImageFrame.h"
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1999-01-22 18:32:57 +03:00
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#include "nsFormControlHelper.h"
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1998-11-10 02:30:16 +03:00
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#include "nsIFormControlFrame.h"
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#include "nsIFormControl.h"
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#include "nsHTMLParts.h"
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#include "nsIRenderingContext.h"
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#include "nsIPresContext.h"
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#include "nsIPresShell.h"
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#include "nsIStyleContext.h"
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#include "nsLeafFrame.h"
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#include "nsCSSRendering.h"
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#include "nsHTMLIIDs.h"
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#include "nsIViewManager.h"
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#include "nsISupports.h"
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#include "nsHTMLAtoms.h"
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#include "nsIView.h"
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#include "nsViewsCID.h"
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#include "nsIDeviceContext.h"
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#include "nsIFontMetrics.h"
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#include "nsIImage.h"
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#include "nsStyleUtil.h"
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#include "nsDOMEvent.h"
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#include "nsStyleConsts.h"
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#include "nsIHTMLAttributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsFormFrame.h"
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//Enumeration of possible mouse states used to detect mouse clicks
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1999-01-22 18:32:57 +03:00
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/*enum nsMouseState {
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1998-11-10 02:30:16 +03:00
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eMouseNone,
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eMouseEnter,
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1998-11-18 08:25:26 +03:00
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eMouseExit,
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1998-11-10 02:30:16 +03:00
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eMouseDown,
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1998-11-18 08:25:26 +03:00
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eMouseUp
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1998-11-10 02:30:16 +03:00
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};
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1999-01-22 18:32:57 +03:00
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*/
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1998-11-10 02:30:16 +03:00
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static NS_DEFINE_IID(kIFormControlFrameIID, NS_IFORMCONTROLFRAME_IID);
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static NS_DEFINE_IID(kViewCID, NS_VIEW_CID);
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static NS_DEFINE_IID(kIViewIID, NS_IVIEW_IID);
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1998-11-20 20:22:08 +03:00
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#define nsImageControlFrameSuper nsImageFrame
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class nsImageControlFrame : public nsImageControlFrameSuper,
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1998-11-10 02:30:16 +03:00
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public nsIFormControlFrame
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{
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public:
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1998-12-03 09:31:43 +03:00
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nsImageControlFrame();
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1998-11-10 02:30:16 +03:00
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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1999-04-27 04:06:03 +04:00
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NS_IMETHOD Reflow(nsIPresContext& aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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1998-11-10 02:30:16 +03:00
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NS_IMETHOD HandleEvent(nsIPresContext& aPresContext,
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nsGUIEvent* aEvent,
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nsEventStatus& aEventStatus);
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1998-11-19 20:22:29 +03:00
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NS_IMETHOD GetFrameName(nsString& aResult) const {
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return MakeFrameName("ImageControl", aResult);
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}
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1999-04-28 02:54:15 +04:00
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NS_IMETHOD GetCursor(nsIPresContext& aPresContext,
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nsPoint& aPoint,
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PRInt32& aCursor);
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1998-11-10 02:30:16 +03:00
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virtual void MouseClicked(nsIPresContext* aPresContext);
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virtual void SetFormFrame(nsFormFrame* aFormFrame) { mFormFrame = aFormFrame; }
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PRBool IsSuccessful(nsIFormControlFrame* aSubmitter);
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virtual PRInt32 GetMaxNumValues();
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virtual PRBool GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
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nsString* aValues, nsString* aNames);
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NS_IMETHOD GetType(PRInt32* aType) const;
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NS_IMETHOD GetName(nsString* aName);
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virtual void Reset() {};
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void SetFocus(PRBool aOn, PRBool aRepaint);
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1999-01-22 18:32:57 +03:00
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NS_IMETHOD GetFont(nsIPresContext* aPresContext,
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nsFont& aFont);
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NS_IMETHOD GetFormContent(nsIContent*& aContent) const;
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virtual nscoord GetVerticalInsidePadding(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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1999-03-06 22:43:13 +03:00
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virtual nsresult RequiresWidget(PRBool &aRequiresWidget);
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1999-01-26 01:16:27 +03:00
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// nsIFormControlFrame
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NS_IMETHOD SetProperty(nsIAtom* aName, const nsString& aValue);
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NS_IMETHOD GetProperty(nsIAtom* aName, nsString& aValue);
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1999-01-22 18:32:57 +03:00
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1998-11-10 02:30:16 +03:00
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protected:
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void GetTranslatedRect(nsRect& aRect); // XXX this implementation is a copy of nsHTMLButtonControlFrame
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NS_IMETHOD_(nsrefcnt) AddRef(void);
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NS_IMETHOD_(nsrefcnt) Release(void);
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nsFormFrame* mFormFrame;
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nsMouseState mLastMouseState;
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nsPoint mLastClickPoint;
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nsCursor mPreviousCursor;
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nsRect mTranslatedRect;
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PRBool mGotFocus;
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};
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1998-12-03 09:31:43 +03:00
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nsImageControlFrame::nsImageControlFrame()
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1998-11-10 02:30:16 +03:00
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{
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mLastMouseState = eMouseNone;
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mLastClickPoint = nsPoint(0,0);
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mPreviousCursor = eCursor_standard;
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mTranslatedRect = nsRect(0,0,0,0);
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1999-04-27 04:06:03 +04:00
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mGotFocus = PR_FALSE;
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mFormFrame = nsnull;
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1998-11-10 02:30:16 +03:00
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}
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nsresult
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1999-05-12 02:03:29 +04:00
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NS_NewImageControlFrame(nsIFrame** aNewFrame)
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1998-11-10 02:30:16 +03:00
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{
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1999-05-12 02:03:29 +04:00
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NS_PRECONDITION(aNewFrame, "null OUT ptr");
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if (nsnull == aNewFrame) {
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return NS_ERROR_NULL_POINTER;
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}
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nsImageControlFrame* it = new nsImageControlFrame;
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if (!it) {
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1998-11-10 02:30:16 +03:00
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return NS_ERROR_OUT_OF_MEMORY;
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}
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1999-05-12 02:03:29 +04:00
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*aNewFrame = it;
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1998-11-10 02:30:16 +03:00
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return NS_OK;
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}
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nsresult
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nsImageControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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NS_PRECONDITION(0 != aInstancePtr, "null ptr");
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kIFormControlFrameIID)) {
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*aInstancePtr = (void*) ((nsIFormControlFrame*) this);
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return NS_OK;
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}
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1998-11-20 20:22:08 +03:00
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return nsImageControlFrameSuper::QueryInterface(aIID, aInstancePtr);
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1998-11-10 02:30:16 +03:00
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}
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nsrefcnt nsImageControlFrame::AddRef(void)
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{
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NS_WARNING("not supported");
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return 1;
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}
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nsrefcnt nsImageControlFrame::Release(void)
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{
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NS_WARNING("not supported");
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return 1;
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}
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1999-04-27 04:06:03 +04:00
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NS_METHOD
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nsImageControlFrame::Reflow(nsIPresContext& aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus)
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{
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if (!mFormFrame && (eReflowReason_Initial == aReflowState.reason)) {
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// add ourself as an nsIFormControlFrame
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nsFormFrame::AddFormControlFrame(aPresContext, *this);
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// create our view, we need a view to grab the mouse
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nsIView* view;
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GetView(&view);
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if (!view) {
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nsresult result = nsComponentManager::CreateInstance(kViewCID, nsnull, kIViewIID, (void **)&view);
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nsCOMPtr<nsIPresShell> presShell;
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aPresContext.GetShell(getter_AddRefs(presShell));
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nsCOMPtr<nsIViewManager> viewMan;
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presShell->GetViewManager(getter_AddRefs(viewMan));
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nsIFrame* parWithView;
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nsIView *parView;
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GetParentWithView(&parWithView);
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parWithView->GetView(&parView);
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// the view's size is not know yet, but its size will be kept in synch with our frame.
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nsRect boundBox(0, 0, 500, 500);
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result = view->Init(viewMan, boundBox, parView, nsnull);
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viewMan->InsertChild(parView, view, 0);
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SetView(view);
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const nsStyleColor* color = (const nsStyleColor*) mStyleContext->GetStyleData(eStyleStruct_Color);
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// set the opacity
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viewMan->SetViewOpacity(view, color->mOpacity);
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}
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1998-11-10 02:30:16 +03:00
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}
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1999-04-27 04:06:03 +04:00
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return nsImageControlFrameSuper::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
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1998-11-10 02:30:16 +03:00
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}
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NS_METHOD
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nsImageControlFrame::HandleEvent(nsIPresContext& aPresContext,
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1999-01-27 03:25:40 +03:00
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nsGUIEvent* aEvent,
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nsEventStatus& aEventStatus)
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1998-11-10 02:30:16 +03:00
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{
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if (nsFormFrame::GetDisabled(this)) { // XXX cache disabled
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return NS_OK;
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}
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aEventStatus = nsEventStatus_eIgnore;
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1998-11-18 08:25:26 +03:00
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switch (aEvent->message) {
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case NS_MOUSE_LEFT_BUTTON_DOWN:
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1999-01-27 03:25:40 +03:00
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{
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// Store click point for GetNamesValues
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1999-02-12 20:45:58 +03:00
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float t2p;
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aPresContext.GetTwipsToPixels(&t2p);
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1999-01-27 03:25:40 +03:00
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mLastClickPoint.x = NSTwipsToIntPixels(aEvent->point.x, t2p);
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mLastClickPoint.y = NSTwipsToIntPixels(aEvent->point.y, t2p);
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mLastMouseState = eMouseDown;
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1998-11-18 08:25:26 +03:00
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mGotFocus = PR_TRUE;
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aEventStatus = nsEventStatus_eConsumeNoDefault;
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return NS_OK;
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1999-01-27 03:25:40 +03:00
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break;
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}
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1998-11-18 08:25:26 +03:00
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case NS_MOUSE_LEFT_BUTTON_UP:
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{
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if (eMouseDown == mLastMouseState) {
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1998-11-24 10:46:58 +03:00
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if (nsEventStatus_eConsumeNoDefault != aEventStatus) {
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1998-11-18 08:25:26 +03:00
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MouseClicked(&aPresContext);
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1998-11-10 02:30:16 +03:00
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}
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1999-01-27 03:25:40 +03:00
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}
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mLastMouseState = eMouseUp;
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1998-11-18 08:25:26 +03:00
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aEventStatus = nsEventStatus_eConsumeNoDefault;
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return NS_OK;
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1999-01-27 03:25:40 +03:00
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break;
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1998-11-10 02:30:16 +03:00
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}
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}
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1998-11-20 20:22:08 +03:00
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return nsImageControlFrameSuper::HandleEvent(aPresContext, aEvent,
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aEventStatus);
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1998-11-10 02:30:16 +03:00
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}
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void
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nsImageControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
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{
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mGotFocus = aOn;
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if (aRepaint) {
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nsRect rect(0, 0, mRect.width, mRect.height);
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Invalidate(rect, PR_TRUE);
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}
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}
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void
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nsImageControlFrame::GetTranslatedRect(nsRect& aRect)
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{
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nsIView* view;
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nsPoint viewOffset(0,0);
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1999-02-10 08:38:18 +03:00
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GetOffsetFromView(viewOffset, &view);
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1998-11-10 02:30:16 +03:00
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while (nsnull != view) {
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nsPoint tempOffset;
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view->GetPosition(&tempOffset.x, &tempOffset.y);
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viewOffset += tempOffset;
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view->GetParent(view);
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}
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aRect = nsRect(viewOffset.x, viewOffset.y, mRect.width, mRect.height);
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}
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NS_IMETHODIMP
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nsImageControlFrame::GetType(PRInt32* aType) const
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{
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*aType = NS_FORM_INPUT_IMAGE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsImageControlFrame::GetName(nsString* aResult)
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{
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if (nsnull == aResult) {
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return NS_OK;
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} else {
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return nsFormFrame::GetName(this, *aResult);
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}
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}
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PRBool
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nsImageControlFrame::IsSuccessful(nsIFormControlFrame* aSubmitter)
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{
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1999-01-27 03:25:40 +03:00
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return (this == (aSubmitter));
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1998-11-10 02:30:16 +03:00
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}
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PRInt32
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nsImageControlFrame::GetMaxNumValues()
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{
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return 2;
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}
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PRBool
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nsImageControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
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nsString* aValues, nsString* aNames)
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{
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1999-01-27 03:25:40 +03:00
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if (aMaxNumValues <= 0) {
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1998-11-10 02:30:16 +03:00
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return PR_FALSE;
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}
|
|
|
|
|
|
|
|
char buf[20];
|
|
|
|
aNumValues = 2;
|
|
|
|
|
|
|
|
aValues[0].SetLength(0);
|
|
|
|
sprintf(&buf[0], "%d", mLastClickPoint.x);
|
|
|
|
aValues[0].Append(&buf[0]);
|
|
|
|
|
|
|
|
aValues[1].SetLength(0);
|
|
|
|
sprintf(&buf[0], "%d", mLastClickPoint.y);
|
|
|
|
aValues[1].Append(&buf[0]);
|
|
|
|
|
1999-01-27 03:25:40 +03:00
|
|
|
nsAutoString name;
|
|
|
|
nsresult result = GetName(&name);
|
|
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
|
|
|
|
aNames[0] = name;
|
|
|
|
aNames[0].Append(".x");
|
|
|
|
aNames[1] = name;
|
|
|
|
aNames[1].Append(".y");
|
|
|
|
} else {
|
|
|
|
// If the Image Element has no name, simply return x and y
|
|
|
|
// to Nav and IE compatability.
|
|
|
|
aNames[0] = "x";
|
|
|
|
aNames[1] = "y";
|
|
|
|
}
|
1998-11-10 02:30:16 +03:00
|
|
|
|
|
|
|
return PR_TRUE;
|
|
|
|
}
|
|
|
|
|
1999-04-28 02:54:15 +04:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageControlFrame::GetCursor(nsIPresContext& aPresContext,
|
|
|
|
nsPoint& aPoint,
|
|
|
|
PRInt32& aCursor)
|
|
|
|
{
|
1999-06-25 04:19:44 +04:00
|
|
|
// Use style defined cursor if one is provided, otherwise when
|
|
|
|
// the cursor style is "auto" we use the pointer cursor.
|
|
|
|
const nsStyleColor* styleColor;
|
|
|
|
GetStyleData(eStyleStruct_Color, (const nsStyleStruct*&)styleColor);
|
1999-06-25 05:17:18 +04:00
|
|
|
NS_ASSERTION(styleColor,"null color style struct");
|
|
|
|
|
|
|
|
if (styleColor) {
|
|
|
|
aCursor = styleColor->mCursor;
|
|
|
|
if (NS_STYLE_CURSOR_AUTO == aCursor) {
|
|
|
|
aCursor = NS_STYLE_CURSOR_POINTER;
|
|
|
|
}
|
|
|
|
} else {
|
1999-06-25 04:19:44 +04:00
|
|
|
aCursor = NS_STYLE_CURSOR_POINTER;
|
|
|
|
}
|
1999-04-28 02:54:15 +04:00
|
|
|
return NS_OK;
|
|
|
|
}
|
1998-11-10 02:30:16 +03:00
|
|
|
|
|
|
|
void
|
|
|
|
nsImageControlFrame::MouseClicked(nsIPresContext* aPresContext)
|
|
|
|
{
|
|
|
|
PRInt32 type;
|
|
|
|
GetType(&type);
|
|
|
|
|
|
|
|
if ((nsnull != mFormFrame) && !nsFormFrame::GetDisabled(this)) {
|
1998-11-21 03:19:36 +03:00
|
|
|
nsIContent *formContent = nsnull;
|
1999-02-10 03:42:56 +03:00
|
|
|
mFormFrame->GetContent(&formContent);
|
1998-11-21 03:19:36 +03:00
|
|
|
|
1998-11-10 02:30:16 +03:00
|
|
|
nsEventStatus status;
|
|
|
|
nsEvent event;
|
|
|
|
event.eventStructType = NS_EVENT;
|
|
|
|
event.message = NS_FORM_SUBMIT;
|
1998-11-21 03:19:36 +03:00
|
|
|
if (nsnull != formContent) {
|
1999-03-29 02:22:54 +04:00
|
|
|
formContent->HandleDOMEvent(*aPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, status);
|
1998-11-21 03:19:36 +03:00
|
|
|
NS_RELEASE(formContent);
|
|
|
|
}
|
1998-11-10 02:30:16 +03:00
|
|
|
if (nsEventStatus_eConsumeNoDefault != status) {
|
|
|
|
mFormFrame->OnSubmit(aPresContext, this);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
1999-01-22 18:32:57 +03:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageControlFrame::GetFont(nsIPresContext* aPresContext,
|
|
|
|
nsFont& aFont)
|
|
|
|
{
|
|
|
|
nsFormControlHelper::GetFont(this, aPresContext, mStyleContext, aFont);
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsImageControlFrame::GetFormContent(nsIContent*& aContent) const
|
|
|
|
{
|
1999-02-10 03:42:56 +03:00
|
|
|
nsIContent* content;
|
|
|
|
nsresult rv;
|
|
|
|
|
|
|
|
rv = GetContent(&content);
|
|
|
|
aContent = content;
|
|
|
|
return rv;
|
1999-01-22 18:32:57 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
nscoord
|
|
|
|
nsImageControlFrame::GetVerticalInsidePadding(float aPixToTwip,
|
|
|
|
nscoord aInnerHeight) const
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
nscoord
|
|
|
|
nsImageControlFrame::GetHorizontalInsidePadding(nsIPresContext& aPresContext,
|
|
|
|
float aPixToTwip,
|
|
|
|
nscoord aInnerWidth,
|
|
|
|
nscoord aCharWidth) const
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|
1999-01-26 01:16:27 +03:00
|
|
|
|
1999-03-06 22:43:13 +03:00
|
|
|
nsresult nsImageControlFrame::RequiresWidget(PRBool& aRequiresWidget)
|
|
|
|
{
|
|
|
|
aRequiresWidget = PR_FALSE;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
1999-01-26 01:16:27 +03:00
|
|
|
NS_IMETHODIMP nsImageControlFrame::SetProperty(nsIAtom* aName, const nsString& aValue)
|
|
|
|
{
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP nsImageControlFrame::GetProperty(nsIAtom* aName, nsString& aValue)
|
|
|
|
{
|
|
|
|
return NS_OK;
|
1999-01-27 03:25:40 +03:00
|
|
|
}
|