зеркало из https://github.com/mozilla/pjs.git
3577 строки
112 KiB
C++
3577 строки
112 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsCOMPtr.h"
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#include "nsHTMLParts.h"
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#include "nsCRT.h"
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#include "nsSplittableFrame.h"
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#include "nsLineLayout.h"
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#include "nsString.h"
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#include "nsIPresContext.h"
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#include "nsIContent.h"
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#include "nsStyleConsts.h"
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#include "nsIStyleContext.h"
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#include "nsCoord.h"
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#include "nsIFontMetrics.h"
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#include "nsIRenderingContext.h"
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#include "nsHTMLIIDs.h"
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#include "nsIPresShell.h"
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#include "nsIView.h"
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#include "nsIViewManager.h"
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#include "nsITimerCallback.h"
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#include "nsITimer.h"
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#include "prtime.h"
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#include "nsVoidArray.h"
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#include "prprf.h"
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#include "nsIDOMText.h"
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#include "nsIDocument.h"
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#include "nsIDeviceContext.h"
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#include "nsIFocusTracker.h"
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#include "nsICaret.h"
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#include "nsXIFConverter.h"
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#include "nsHTMLAtoms.h"
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#include "nsILineBreaker.h"
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#include "nsIWordBreaker.h"
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#include "nsITextContent.h"
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#include "nsTextRun.h"
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#include "nsTextFragment.h"
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#include "nsTextTransformer.h"
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#include "nsLayoutAtoms.h"
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#include "nsIFrameSelection.h"
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#include "nsIDOMSelection.h"
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#include "nsIDOMRange.h"
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#include "nsILineIterator.h"
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//tripple click includes
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#include "nsIPref.h"
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#include "nsIServiceManager.h"
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#ifndef PR_ABS
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#define PR_ABS(x) (x < 0 ? -x : x)
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#endif
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static NS_DEFINE_IID(kIDOMTextIID, NS_IDOMTEXT_IID);
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static NS_DEFINE_CID(kPrefCID, NS_PREF_CID);//for tripple click pref
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#ifdef NS_DEBUG
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#undef NOISY_BLINK
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#undef DEBUG_WORD_WRAPPING
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#undef NOISY_REFLOW
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#undef NOISY_TRIM
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#else
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#undef NOISY_BLINK
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#undef DEBUG_WORD_WRAPPING
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#undef NOISY_REFLOW
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#undef NOISY_TRIM
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#endif
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// #define DEBUGWORDJUMP
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//----------------------------------------------------------------------
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#define TEXT_BUF_SIZE 100
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//----------------------------------------
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struct nsAutoIndexBuffer {
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nsAutoIndexBuffer();
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~nsAutoIndexBuffer();
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nsresult GrowTo(PRInt32 aAtLeast);
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PRInt32* mBuffer;
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PRInt32 mBufferLen;
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PRInt32 mAutoBuffer[TEXT_BUF_SIZE];
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};
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nsAutoIndexBuffer::nsAutoIndexBuffer()
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: mBuffer(mAutoBuffer),
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mBufferLen(TEXT_BUF_SIZE)
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{
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}
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nsAutoIndexBuffer::~nsAutoIndexBuffer()
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{
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if (mBuffer && (mBuffer != mAutoBuffer)) {
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delete [] mBuffer;
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}
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}
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nsresult
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nsAutoIndexBuffer::GrowTo(PRInt32 aAtLeast)
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{
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PRInt32 newSize = mBufferLen * 2;
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if (newSize < mBufferLen + aAtLeast) {
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newSize = mBufferLen * 2 + aAtLeast;
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}
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PRInt32* newBuffer = new PRInt32[newSize];
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if (!newBuffer) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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nsCRT::memcpy(newBuffer, mBuffer, sizeof(PRInt32) * mBufferLen);
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if (mBuffer != mAutoBuffer) {
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delete [] mBuffer;
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}
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mBuffer = newBuffer;
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mBufferLen = newSize;
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return NS_OK;
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}
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//----------------------------------------------------------------------
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// Helper class for managing blinking text
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class nsBlinkTimer : public nsITimerCallback {
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public:
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nsBlinkTimer();
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virtual ~nsBlinkTimer();
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NS_DECL_ISUPPORTS
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void AddFrame(nsIPresContext* aPresContext, nsIFrame* aFrame);
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PRBool RemoveFrame(nsIFrame* aFrame);
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PRInt32 FrameCount();
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void Start();
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void Stop();
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virtual void Notify(nsITimer *timer);
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struct FrameData {
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nsIPresContext* mPresContext; // pres context associated with the frame
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nsIFrame* mFrame;
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FrameData(nsIPresContext* aPresContext,
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nsIFrame* aFrame)
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: mPresContext(aPresContext), mFrame(aFrame) {}
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};
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nsITimer* mTimer;
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nsVoidArray mFrames;
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nsIPresContext* mPresContext;
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};
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static PRBool gBlinkTextOff;
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static nsBlinkTimer* gTextBlinker;
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#ifdef NOISY_BLINK
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static PRTime gLastTick;
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#endif
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nsBlinkTimer::nsBlinkTimer()
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{
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NS_INIT_REFCNT();
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mTimer = nsnull;
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}
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nsBlinkTimer::~nsBlinkTimer()
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{
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Stop();
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}
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void nsBlinkTimer::Start()
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{
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nsresult rv = NS_NewTimer(&mTimer);
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if (NS_OK == rv) {
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mTimer->Init(this, 750);
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}
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}
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void nsBlinkTimer::Stop()
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{
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if (nsnull != mTimer) {
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mTimer->Cancel();
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NS_RELEASE(mTimer);
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}
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}
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static NS_DEFINE_IID(kITimerCallbackIID, NS_ITIMERCALLBACK_IID);
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NS_IMPL_ISUPPORTS(nsBlinkTimer, kITimerCallbackIID);
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void nsBlinkTimer::AddFrame(nsIPresContext* aPresContext, nsIFrame* aFrame) {
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FrameData* frameData = new FrameData(aPresContext, aFrame);
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mFrames.AppendElement(frameData);
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if (1 == mFrames.Count()) {
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Start();
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}
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}
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PRBool nsBlinkTimer::RemoveFrame(nsIFrame* aFrame) {
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PRInt32 i, n = mFrames.Count();
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PRBool rv = PR_FALSE;
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for (i = 0; i < n; i++) {
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FrameData* frameData = (FrameData*) mFrames.ElementAt(i);
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if (frameData->mFrame == aFrame) {
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rv = mFrames.RemoveElementAt(i);
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delete frameData;
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break;
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}
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}
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if (0 == mFrames.Count()) {
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Stop();
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}
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return rv;
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}
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PRInt32 nsBlinkTimer::FrameCount() {
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return mFrames.Count();
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}
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void nsBlinkTimer::Notify(nsITimer *timer)
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{
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// Toggle blink state bit so that text code knows whether or not to
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// render. All text code shares the same flag so that they all blink
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// in unison.
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gBlinkTextOff = PRBool(!gBlinkTextOff);
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// XXX hack to get auto-repeating timers; restart before doing
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// expensive work so that time between ticks is more even
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Stop();
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Start();
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#ifdef NOISY_BLINK
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PRTime now = PR_Now();
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char buf[50];
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PRTime delta;
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LL_SUB(delta, now, gLastTick);
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gLastTick = now;
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PR_snprintf(buf, sizeof(buf), "%lldusec", delta);
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printf("%s\n", buf);
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#endif
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PRInt32 i, n = mFrames.Count();
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for (i = 0; i < n; i++) {
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FrameData* frameData = (FrameData*) mFrames.ElementAt(i);
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// Determine damaged area and tell view manager to redraw it
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nsPoint offset;
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nsRect bounds;
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frameData->mFrame->GetRect(bounds);
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nsIView* view;
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frameData->mFrame->GetOffsetFromView(frameData->mPresContext, offset, &view);
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nsIViewManager* vm;
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view->GetViewManager(vm);
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bounds.x = offset.x;
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bounds.y = offset.y;
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vm->UpdateView(view, bounds, 0);
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NS_RELEASE(vm);
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}
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}
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//----------------------------------------------------------------------
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class nsTextFrame : public nsFrame {
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public:
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nsTextFrame();
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// nsIFrame
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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);
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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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NS_IMETHOD ContentChanged(nsIPresContext* aPresContext,
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nsIContent* aChild,
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nsISupports* aSubContent);
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NS_IMETHOD GetNextInFlow(nsIFrame** aNextInFlow) const {
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*aNextInFlow = mNextInFlow;
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return NS_OK;
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}
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NS_IMETHOD SetNextInFlow(nsIFrame* aNextInFlow) {
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mNextInFlow = aNextInFlow;
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return NS_OK;
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}
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NS_IMETHOD IsSplittable(nsSplittableType& aIsSplittable) const {
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aIsSplittable = NS_FRAME_SPLITTABLE;
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return NS_OK;
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}
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/**
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* Get the "type" of the frame
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*
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* @see nsLayoutAtoms::textFrame
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*/
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NS_IMETHOD GetFrameType(nsIAtom** aType) const;
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#ifdef DEBUG
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NS_IMETHOD List(nsIPresContext* aPresContext, FILE* out, PRInt32 aIndent) const;
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NS_IMETHOD SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const;
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NS_IMETHOD GetFrameName(nsString& aResult) const;
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#endif
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NS_IMETHOD GetPosition(nsIPresContext& aCX,
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const nsPoint& aPoint,
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nsIContent ** aNewContent,
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PRInt32& aContentOffset,
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PRInt32& aContentOffsetEnd);
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NS_IMETHOD GetContentAndOffsetsFromPoint(nsIPresContext& aCX,
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const nsPoint& aPoint,
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nsIContent ** aNewContent,
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PRInt32& aContentOffset,
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PRInt32& aContentOffsetEnd,
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PRBool& aBeginFrameContent);
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NS_IMETHOD GetPositionSlowly(nsIPresContext& aCX,
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nsIRenderingContext * aRendContext,
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const nsPoint& aPoint,
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nsIContent ** aNewContent,
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PRInt32& aOffset);
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NS_IMETHOD SetSelected(nsIPresContext* aPresContext,
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nsIDOMRange *aRange,
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PRBool aSelected,
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nsSpread aSpread);
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NS_IMETHOD PeekOffset(nsIPresContext* aPresContext, nsPeekOffsetStruct *aPos);
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NS_IMETHOD HandleMultiplePress(nsIPresContext& aPresContext,
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nsGUIEvent * aEvent,
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nsEventStatus& aEventStatus);
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NS_IMETHOD GetOffsets(PRInt32 &start, PRInt32 &end)const;
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NS_IMETHOD GetPointFromOffset(nsIPresContext* inPresContext,
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nsIRenderingContext* inRendContext,
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PRInt32 inOffset,
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nsPoint* outPoint);
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NS_IMETHOD GetChildFrameContainingOffset(PRInt32 inContentOffset,
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PRBool inHint,
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PRInt32* outFrameContentOffset,
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nsIFrame* *outChildFrame);
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// nsIHTMLReflow
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NS_IMETHOD FindTextRuns(nsLineLayout& aLineLayout);
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NS_IMETHOD Reflow(nsIPresContext& aPresContext,
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nsHTMLReflowMetrics& aMetrics,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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NS_IMETHOD AdjustFrameSize(nscoord aExtraSpace, nscoord& aUsedSpace);
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NS_IMETHOD TrimTrailingWhiteSpace(nsIPresContext* aPresContext,
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nsIRenderingContext& aRC,
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nscoord& aDeltaWidth);
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struct TextStyle {
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const nsStyleFont* mFont;
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const nsStyleText* mText;
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const nsStyleColor* mColor;
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nsIFontMetrics* mNormalFont;
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nsIFontMetrics* mSmallFont;
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nsIFontMetrics* mLastFont;
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PRBool mSmallCaps;
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nscoord mWordSpacing;
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nscoord mLetterSpacing;
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nscolor mSelectionTextColor;
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nscolor mSelectionBGColor;
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nscoord mSpaceWidth;
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PRBool mJustifying;
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PRBool mPreformatted;
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PRIntn mNumSpaces;
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nscoord mExtraSpacePerSpace;
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nscoord mRemainingExtraSpace;
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TextStyle(nsIPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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nsIStyleContext* sc)
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{
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// Get style data
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mColor = (const nsStyleColor*) sc->GetStyleData(eStyleStruct_Color);
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mFont = (const nsStyleFont*) sc->GetStyleData(eStyleStruct_Font);
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mText = (const nsStyleText*) sc->GetStyleData(eStyleStruct_Text);
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// Cache the original decorations and reuse the current font
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// to query metrics, rather than creating a new font which is expensive.
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nsFont* plainFont = (nsFont *)&mFont->mFont; //XXX: Change to use a CONST_CAST macro.
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PRUint8 originalDecorations = plainFont->decorations;
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plainFont->decorations = NS_FONT_DECORATION_NONE;
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aPresContext->GetMetricsFor(*plainFont, &mNormalFont);
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aRenderingContext.SetFont(mNormalFont);
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aRenderingContext.GetWidth(' ', mSpaceWidth);
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mLastFont = mNormalFont;
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// Get the small-caps font if needed
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mSmallCaps = NS_STYLE_FONT_VARIANT_SMALL_CAPS == plainFont->variant;
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if (mSmallCaps) {
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nscoord originalSize = plainFont->size;
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plainFont->size = nscoord(0.7 * plainFont->size);
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aPresContext->GetMetricsFor(*plainFont, &mSmallFont);
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// Reset to the size value saved earlier.
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plainFont->size = originalSize;
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}
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else {
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mSmallFont = nsnull;
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}
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// Reset to the decoration saved earlier
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plainFont->decorations = originalDecorations;
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// XXX Get these from style
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mSelectionBGColor = NS_RGB(0, 0, 0);
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mSelectionTextColor = NS_RGB(255, 255, 255);
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// Get the word and letter spacing
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mWordSpacing = 0;
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mLetterSpacing = 0;
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PRIntn unit = mText->mWordSpacing.GetUnit();
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if (eStyleUnit_Coord == unit) {
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mWordSpacing = mText->mWordSpacing.GetCoordValue();
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}
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unit = mText->mLetterSpacing.GetUnit();
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if (eStyleUnit_Coord == unit) {
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mLetterSpacing = mText->mLetterSpacing.GetCoordValue();
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}
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mNumSpaces = 0;
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mRemainingExtraSpace = 0;
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mExtraSpacePerSpace = 0;
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mPreformatted = (NS_STYLE_WHITESPACE_PRE == mText->mWhiteSpace) ||
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(NS_STYLE_WHITESPACE_MOZ_PRE_WRAP == mText->mWhiteSpace);
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}
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~TextStyle() {
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NS_RELEASE(mNormalFont);
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NS_IF_RELEASE(mSmallFont);
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}
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};
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nsIDocument* GetDocument(nsIPresContext* aPresContext);
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PRIntn PrepareUnicodeText(nsTextTransformer& aTransformer,
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nsAutoIndexBuffer* aIndexBuffer,
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nsAutoTextBuffer* aTextBuffer,
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PRInt32* aTextLen);
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void PaintTextDecorations(nsIRenderingContext& aRenderingContext,
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nsIStyleContext* aStyleContext,
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TextStyle& aStyle,
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nscoord aX, nscoord aY, nscoord aWidth,
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PRUnichar* aText = nsnull,
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SelectionDetails *aDetails = nsnull,
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PRUint32 aIndex = 0,
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PRUint32 aLength = 0,
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const nscoord* aSpacing = nsnull);
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void PaintTextSlowly(nsIPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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nsIStyleContext* aStyleContext,
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TextStyle& aStyle,
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nscoord aX, nscoord aY);
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void RenderString(nsIRenderingContext& aRenderingContext,
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nsIStyleContext* aStyleContext,
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TextStyle& aStyle,
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PRUnichar* aBuffer, PRInt32 aLength,
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nscoord aX, nscoord aY,
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nscoord aWidth,
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SelectionDetails *aDetails = nsnull);
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void MeasureSmallCapsText(const nsHTMLReflowState& aReflowState,
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TextStyle& aStyle,
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PRUnichar* aWord,
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PRInt32 aWordLength,
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nscoord* aWidthResult);
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void GetWidth(nsIRenderingContext& aRenderingContext,
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TextStyle& aStyle,
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PRUnichar* aBuffer, PRInt32 aLength,
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nscoord* aWidthResult);
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void PaintUnicodeText(nsIPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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nsIStyleContext* aStyleContext,
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TextStyle& aStyle,
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nscoord dx, nscoord dy);
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void PaintAsciiText(nsIPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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nsIStyleContext* aStyleContext,
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TextStyle& aStyle,
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nscoord dx, nscoord dy);
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nscoord ComputeTotalWordWidth(nsIPresContext* aPresContext,
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nsILineBreaker* aLineBreaker,
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nsLineLayout& aLineLayout,
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|
const nsHTMLReflowState& aReflowState,
|
|
nsIFrame* aNextFrame,
|
|
nscoord aBaseWidth,
|
|
PRUnichar* aWordBuf,
|
|
PRUint32 aWordBufLen,
|
|
PRUint32 aWordBufSize);
|
|
|
|
nscoord ComputeWordFragmentWidth(nsIPresContext* aPresContext,
|
|
nsILineBreaker* aLineBreaker,
|
|
nsLineLayout& aLineLayout,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsIFrame* aNextFrame,
|
|
nsIContent* aContent,
|
|
nsITextContent* aText,
|
|
PRBool* aStop,
|
|
const PRUnichar* aWordBuf,
|
|
PRUint32 &aWordBufLen,
|
|
PRUint32 aWordBufSize);
|
|
|
|
void ToCString(nsString& aBuf, PRInt32* aTotalContentLength) const;
|
|
|
|
protected:
|
|
virtual ~nsTextFrame();
|
|
|
|
nsIFrame* mNextInFlow;
|
|
PRInt32 mContentOffset;
|
|
PRInt32 mContentLength;
|
|
PRInt32 mColumn;
|
|
};
|
|
|
|
class nsContinuingTextFrame : public nsTextFrame {
|
|
public:
|
|
NS_IMETHOD Init(nsIPresContext& aPresContext,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsIStyleContext* aContext,
|
|
nsIFrame* aPrevInFlow);
|
|
|
|
NS_IMETHOD GetPrevInFlow(nsIFrame** aPrevInFlow) const {
|
|
*aPrevInFlow = mPrevInFlow;
|
|
return NS_OK;
|
|
}
|
|
NS_IMETHOD SetPrevInFlow(nsIFrame* aPrevInFlow) {
|
|
mPrevInFlow = aPrevInFlow;
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHOD SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const;
|
|
#endif
|
|
|
|
protected:
|
|
nsIFrame* mPrevInFlow;
|
|
};
|
|
|
|
NS_IMETHODIMP
|
|
nsContinuingTextFrame::Init(nsIPresContext& aPresContext,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsIStyleContext* aContext,
|
|
nsIFrame* aPrevInFlow)
|
|
{
|
|
nsresult rv;
|
|
|
|
rv = nsTextFrame::Init(aPresContext, aContent, aParent, aContext, aPrevInFlow);
|
|
|
|
if (aPrevInFlow) {
|
|
// Hook the frame into the flow
|
|
mPrevInFlow = aPrevInFlow;
|
|
aPrevInFlow->SetNextInFlow(this);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHODIMP
|
|
nsContinuingTextFrame::SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const
|
|
{
|
|
if (!aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = sizeof(*this);
|
|
return NS_OK;
|
|
}
|
|
#endif
|
|
|
|
// Flag information used by rendering code. This information is
|
|
// computed by the ResizeReflow code. The flags are stored in the
|
|
// mState variable in the frame class private section.
|
|
|
|
// Flag indicating that whitespace was skipped
|
|
#define TEXT_SKIP_LEADING_WS 0x01000000
|
|
|
|
#define TEXT_HAS_MULTIBYTE 0x02000000
|
|
|
|
#define TEXT_IN_WORD 0x04000000
|
|
|
|
// This bit is set on the first frame in a continuation indicating
|
|
// that it was chopped short because of :first-letter style.
|
|
#define TEXT_FIRST_LETTER 0x08000000
|
|
|
|
// Bits in mState used for reflow flags
|
|
#define TEXT_REFLOW_FLAGS 0x0F000000
|
|
|
|
#define TEXT_TRIMMED_WS 0x20000000
|
|
|
|
#define TEXT_OPTIMIZE_RESIZE 0x40000000
|
|
|
|
#define TEXT_BLINK_ON 0x80000000
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
nsresult
|
|
NS_NewTextFrame(nsIFrame** aNewFrame)
|
|
{
|
|
NS_PRECONDITION(aNewFrame, "null OUT ptr");
|
|
if (nsnull == aNewFrame) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
nsTextFrame* it = new nsTextFrame;
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
*aNewFrame = it;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
NS_NewContinuingTextFrame(nsIFrame** aNewFrame)
|
|
{
|
|
NS_PRECONDITION(aNewFrame, "null OUT ptr");
|
|
if (nsnull == aNewFrame) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
nsContinuingTextFrame* it = new nsContinuingTextFrame;
|
|
if (nsnull == it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
*aNewFrame = it;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsTextFrame::nsTextFrame()
|
|
{
|
|
if (nsnull == gTextBlinker) {
|
|
// Create text timer the first time out
|
|
gTextBlinker = new nsBlinkTimer();
|
|
}
|
|
NS_ADDREF(gTextBlinker);
|
|
}
|
|
|
|
nsTextFrame::~nsTextFrame()
|
|
{
|
|
if (0 != (mState & TEXT_BLINK_ON)) {
|
|
NS_ASSERTION(nsnull != gTextBlinker, "corrupted blinker");
|
|
gTextBlinker->RemoveFrame(this);
|
|
}
|
|
if (0 == gTextBlinker->Release()) {
|
|
// Release text timer when the last text frame is gone
|
|
gTextBlinker = nsnull;
|
|
}
|
|
}
|
|
|
|
nsIDocument*
|
|
nsTextFrame::GetDocument(nsIPresContext* aPresContext)
|
|
{
|
|
nsIDocument* result = nsnull;
|
|
if (mContent) {
|
|
mContent->GetDocument(result);
|
|
}
|
|
if (!result && aPresContext) {
|
|
nsIPresShell* shell;
|
|
aPresContext->GetShell(&shell);
|
|
if (shell) {
|
|
shell->GetDocument(&result);
|
|
NS_RELEASE(shell);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::GetCursor(nsIPresContext& aPresContext,
|
|
nsPoint& aPoint,
|
|
PRInt32& aCursor)
|
|
{
|
|
const nsStyleColor* styleColor;
|
|
GetStyleData(eStyleStruct_Color, (const nsStyleStruct*&)styleColor);
|
|
aCursor = styleColor->mCursor;
|
|
|
|
if (NS_STYLE_CURSOR_AUTO == aCursor && nsnull != mParent) {
|
|
mParent->GetCursor(aPresContext, aPoint, aCursor);
|
|
if (NS_STYLE_CURSOR_AUTO == aCursor) {
|
|
aCursor = NS_STYLE_CURSOR_TEXT;
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
static nsIFrame*
|
|
GetLastInFlow(nsIFrame* aFrame)
|
|
{
|
|
nsIFrame* lastInFlow;
|
|
nsIFrame* nextInFlow = aFrame;
|
|
while (nsnull!=nextInFlow) {
|
|
lastInFlow = nextInFlow;
|
|
lastInFlow->GetNextInFlow(&nextInFlow);
|
|
}
|
|
NS_POSTCONDITION(nsnull!=lastInFlow, "illegal state in flow chain.");
|
|
return lastInFlow;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::ContentChanged(nsIPresContext* aPresContext,
|
|
nsIContent* aChild,
|
|
nsISupports* aSubContent)
|
|
{
|
|
nsIFrame* targetTextFrame = this;
|
|
|
|
PRBool markAllDirty = PR_TRUE;
|
|
if (aSubContent) {
|
|
nsCOMPtr<nsITextContentChangeData> tccd = do_QueryInterface(aSubContent);
|
|
if (tccd) {
|
|
nsITextContentChangeData::ChangeType type;
|
|
tccd->GetChangeType(&type);
|
|
if (nsITextContentChangeData::Append == type) {
|
|
markAllDirty = PR_FALSE;
|
|
nsTextFrame* frame = (nsTextFrame*)::GetLastInFlow(this);
|
|
frame->mState |= NS_FRAME_IS_DIRTY;
|
|
targetTextFrame = frame;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (markAllDirty) {
|
|
// Mark this frame and all the next-in-flow frames as dirty
|
|
nsTextFrame* textFrame = this;
|
|
while (textFrame) {
|
|
textFrame->mState |= NS_FRAME_IS_DIRTY;
|
|
textFrame = (nsTextFrame*)textFrame->mNextInFlow;
|
|
}
|
|
}
|
|
|
|
// Generate a reflow command with this frame as the target frame
|
|
nsIReflowCommand* cmd;
|
|
nsresult rv;
|
|
|
|
rv = NS_NewHTMLReflowCommand(&cmd, targetTextFrame,
|
|
nsIReflowCommand::ContentChanged);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
rv = aPresContext->GetShell(getter_AddRefs(shell));
|
|
if (NS_SUCCEEDED(rv) && shell) {
|
|
shell->AppendReflowCommand(cmd);
|
|
NS_RELEASE(cmd);
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::Paint(nsIPresContext& aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer)
|
|
{
|
|
if (NS_FRAME_PAINT_LAYER_FOREGROUND != aWhichLayer) {
|
|
return NS_OK;
|
|
}
|
|
if ((0 != (mState & TEXT_BLINK_ON)) && gBlinkTextOff) {
|
|
return NS_OK;
|
|
}
|
|
nsIStyleContext* sc = mStyleContext;
|
|
const nsStyleDisplay* disp = (const nsStyleDisplay*)
|
|
sc->GetStyleData(eStyleStruct_Display);
|
|
if (disp->mVisible) {
|
|
TextStyle ts(&aPresContext, aRenderingContext, mStyleContext);
|
|
if (ts.mSmallCaps || (0 != ts.mWordSpacing) || (0 != ts.mLetterSpacing)) {
|
|
PaintTextSlowly(&aPresContext, aRenderingContext, sc, ts, 0, 0);
|
|
}
|
|
else {
|
|
// Choose rendering pathway based on rendering context
|
|
// performance hint.
|
|
PRUint32 hints = 0;
|
|
aRenderingContext.GetHints(hints);
|
|
if ((TEXT_HAS_MULTIBYTE & mState) ||
|
|
(0 == (hints & NS_RENDERING_HINT_FAST_8BIT_TEXT))) {
|
|
// Use PRUnichar rendering routine
|
|
PaintUnicodeText(&aPresContext, aRenderingContext, sc, ts, 0, 0);
|
|
}
|
|
else {
|
|
// Use char rendering routine
|
|
PaintAsciiText(&aPresContext, aRenderingContext, sc, ts, 0, 0);
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
/**
|
|
* Prepare the text in the content for rendering. If aIndexes is not nsnull
|
|
* then fill in aIndexes's with the mapping from the original input to
|
|
* the prepared output.
|
|
*/
|
|
PRIntn
|
|
nsTextFrame::PrepareUnicodeText(nsTextTransformer& aTX,
|
|
nsAutoIndexBuffer* aIndexBuffer,
|
|
nsAutoTextBuffer* aTextBuffer,
|
|
PRInt32* aTextLen)
|
|
{
|
|
PRIntn numSpaces = 0;
|
|
|
|
// Setup transform to operate starting in the content at our content
|
|
// offset
|
|
aTX.Init(this, mContent, mContentOffset);
|
|
|
|
PRInt32 strInx = mContentOffset;
|
|
PRInt32* indexp = aIndexBuffer ? aIndexBuffer->mBuffer : nsnull;
|
|
|
|
// Skip over the leading whitespace
|
|
PRInt32 n = mContentLength;
|
|
if (0 != (mState & TEXT_SKIP_LEADING_WS)) {
|
|
PRBool isWhitespace;
|
|
PRInt32 wordLen, contentLen;
|
|
aTX.GetNextWord(PR_FALSE, &wordLen, &contentLen, &isWhitespace);
|
|
NS_ASSERTION(isWhitespace, "mState and content are out of sync");
|
|
if (isWhitespace) {
|
|
if (nsnull != indexp) {
|
|
// Point mapping indicies at the same content index since
|
|
// all of the compressed whitespace maps down to the same
|
|
// renderable character.
|
|
PRInt32 i = contentLen;
|
|
while (--i >= 0) {
|
|
*indexp++ = strInx;
|
|
}
|
|
}
|
|
n -= contentLen;
|
|
NS_ASSERTION(n >= 0, "whoops");
|
|
}
|
|
}
|
|
|
|
// Rescan the content and transform it. Stop when we have consumed
|
|
// mContentLength characters.
|
|
PRBool inWord = (TEXT_IN_WORD & mState) ? PR_TRUE : PR_FALSE;
|
|
PRInt32 column = mColumn;
|
|
PRInt32 textLength = 0;
|
|
PRInt32 dstOffset = 0;
|
|
while (0 != n) {
|
|
PRUnichar* bp;
|
|
PRBool isWhitespace;
|
|
PRInt32 wordLen, contentLen;
|
|
|
|
// Get the next word
|
|
bp = aTX.GetNextWord(inWord, &wordLen, &contentLen, &isWhitespace);
|
|
if (nsnull == bp) {
|
|
break;
|
|
}
|
|
if (contentLen > n) {
|
|
contentLen = n;
|
|
}
|
|
if (wordLen > n) {
|
|
wordLen = n;
|
|
}
|
|
inWord = PR_FALSE;
|
|
if (isWhitespace) {
|
|
numSpaces++;
|
|
if ('\t' == bp[0]) {
|
|
PRInt32 spaces = 8 - (7 & column);
|
|
PRUnichar* tp = bp;
|
|
wordLen = spaces;
|
|
while (--spaces >= 0) {
|
|
*tp++ = ' ';
|
|
}
|
|
// XXX This is a one to many mapping that I think isn't handled well
|
|
if (nsnull != indexp) {
|
|
*indexp++ = strInx;
|
|
strInx += wordLen;
|
|
}
|
|
}
|
|
else if ('\n' == bp[0]) {
|
|
if (nsnull != indexp) {
|
|
*indexp++ = strInx;
|
|
}
|
|
break;
|
|
}
|
|
else if (nsnull != indexp) {
|
|
if (1 == wordLen) {
|
|
// Point mapping indicies at the same content index since
|
|
// all of the compressed whitespace maps down to the same
|
|
// renderable character.
|
|
PRInt32 i = contentLen;
|
|
while (--i >= 0) {
|
|
*indexp++ = strInx;
|
|
}
|
|
strInx++;
|
|
} else {
|
|
// Point mapping indicies at each content index in the word
|
|
PRInt32 i = contentLen;
|
|
while (--i >= 0) {
|
|
*indexp++ = strInx++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if (nsnull != indexp) {
|
|
// Point mapping indicies at each content index in the word
|
|
PRInt32 i = contentLen;
|
|
while (--i >= 0) {
|
|
*indexp++ = strInx++;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Grow the buffer before we run out of room. The only time this
|
|
// happens is because of tab expansion.
|
|
if (dstOffset + wordLen > aTextBuffer->mBufferLen) {
|
|
nsresult rv = aTextBuffer->GrowBy(wordLen);
|
|
if (NS_FAILED(rv)) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
column += wordLen;
|
|
textLength += wordLen;
|
|
n -= contentLen;
|
|
nsCRT::memcpy(aTextBuffer->mBuffer + dstOffset, bp,
|
|
sizeof(PRUnichar)*wordLen);
|
|
dstOffset += wordLen;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
if (aIndexBuffer) {
|
|
NS_ASSERTION(indexp <= aIndexBuffer->mBuffer + aIndexBuffer->mBufferLen,
|
|
"yikes - we just overwrote memory");
|
|
}
|
|
NS_ASSERTION(dstOffset <= aTextBuffer->mBufferLen,
|
|
"yikes - we just overwrote memory");
|
|
#endif
|
|
|
|
// Remove trailing whitespace if it was trimmed after reflow
|
|
if (TEXT_TRIMMED_WS & mState) {
|
|
if (--dstOffset >= 0) {
|
|
PRUnichar ch = aTextBuffer->mBuffer[dstOffset];
|
|
if (XP_IS_SPACE(ch)) {
|
|
textLength--;
|
|
}
|
|
}
|
|
numSpaces--;
|
|
}
|
|
|
|
if (aIndexBuffer) {
|
|
PRInt32* ip = aIndexBuffer->mBuffer;
|
|
ip[mContentLength] = ip[mContentLength-1];
|
|
if ((ip[mContentLength] - mContentOffset) < textLength) {
|
|
// Must set up last one for selection beyond edge if in boundary
|
|
ip[mContentLength]++;
|
|
}
|
|
}
|
|
|
|
*aTextLen = textLength;
|
|
return numSpaces;
|
|
}
|
|
|
|
|
|
//#define SHOW_SELECTION_CURSOR // should be turned off when the caret code is activated
|
|
|
|
#ifdef SHOW_SELECTION_CURSOR
|
|
|
|
// XXX This clearly needs to be done by the container, *somehow*
|
|
#define CURSOR_COLOR NS_RGB(0,0,255)
|
|
static void
|
|
RenderSelectionCursor(nsIRenderingContext& aRenderingContext,
|
|
nscoord dx, nscoord dy, nscoord aHeight,
|
|
nscolor aCursorColor)
|
|
{
|
|
nsPoint pnts[4];
|
|
nscoord ox = aHeight / 4;
|
|
nscoord oy = ox;
|
|
nscoord x0 = dx;
|
|
nscoord y0 = dy + aHeight;
|
|
pnts[0].x = x0 - ox;
|
|
pnts[0].y = y0;
|
|
pnts[1].x = x0;
|
|
pnts[1].y = y0 - oy;
|
|
pnts[2].x = x0 + ox;
|
|
pnts[2].y = y0;
|
|
pnts[3].x = x0 - ox;
|
|
pnts[3].y = y0;
|
|
|
|
// Draw little blue triangle
|
|
aRenderingContext.SetColor(aCursorColor);
|
|
aRenderingContext.FillPolygon(pnts, 4);
|
|
}
|
|
|
|
#endif
|
|
|
|
// XXX letter-spacing
|
|
// XXX word-spacing
|
|
#if defined(XP_PC) || defined(XP_UNIX) || defined(XP_MAC)
|
|
#define USE_INVERT_FOR_SELECTION
|
|
#endif
|
|
|
|
void
|
|
nsTextFrame::PaintTextDecorations(nsIRenderingContext& aRenderingContext,
|
|
nsIStyleContext* aStyleContext,
|
|
TextStyle& aTextStyle,
|
|
nscoord aX, nscoord aY, nscoord aWidth,
|
|
PRUnichar *aText, /*=nsnull*/
|
|
SelectionDetails *aDetails,/*= nsnull*/
|
|
PRUint32 aIndex, /*= 0*/
|
|
PRUint32 aLength, /*= 0*/
|
|
const nscoord* aSpacing /* = nsnull*/ )
|
|
|
|
{
|
|
nscolor overColor;
|
|
nscolor underColor;
|
|
nscolor strikeColor;
|
|
nsIStyleContext* context = aStyleContext;
|
|
PRUint8 decorations = aTextStyle.mFont->mFont.decorations;
|
|
PRUint8 decorMask = decorations;
|
|
|
|
NS_ADDREF(context);
|
|
do { // find decoration colors
|
|
const nsStyleText* styleText =
|
|
(const nsStyleText*)context->GetStyleData(eStyleStruct_Text);
|
|
if (decorMask & styleText->mTextDecoration) { // a decoration defined here
|
|
const nsStyleColor* styleColor =
|
|
(const nsStyleColor*)context->GetStyleData(eStyleStruct_Color);
|
|
if (NS_STYLE_TEXT_DECORATION_UNDERLINE & decorMask & styleText->mTextDecoration) {
|
|
underColor = styleColor->mColor;
|
|
decorMask &= ~NS_STYLE_TEXT_DECORATION_UNDERLINE;
|
|
}
|
|
if (NS_STYLE_TEXT_DECORATION_OVERLINE & decorMask & styleText->mTextDecoration) {
|
|
overColor = styleColor->mColor;
|
|
decorMask &= ~NS_STYLE_TEXT_DECORATION_OVERLINE;
|
|
}
|
|
if (NS_STYLE_TEXT_DECORATION_LINE_THROUGH & decorMask & styleText->mTextDecoration) {
|
|
strikeColor = styleColor->mColor;
|
|
decorMask &= ~NS_STYLE_TEXT_DECORATION_LINE_THROUGH;
|
|
}
|
|
}
|
|
if (0 != decorMask) {
|
|
nsIStyleContext* lastContext = context;
|
|
context = context->GetParent();
|
|
NS_RELEASE(lastContext);
|
|
}
|
|
} while ((nsnull != context) && (0 != decorMask));
|
|
NS_IF_RELEASE(context);
|
|
|
|
nscoord offset;
|
|
nscoord size;
|
|
nscoord baseline;
|
|
aTextStyle.mNormalFont->GetMaxAscent(baseline);
|
|
if (decorations & (NS_FONT_DECORATION_OVERLINE | NS_FONT_DECORATION_UNDERLINE)) {
|
|
aTextStyle.mNormalFont->GetUnderline(offset, size);
|
|
if (decorations & NS_FONT_DECORATION_OVERLINE) {
|
|
aRenderingContext.SetColor(overColor);
|
|
aRenderingContext.FillRect(aX, aY, aWidth, size);
|
|
}
|
|
if (decorations & NS_FONT_DECORATION_UNDERLINE) {
|
|
aRenderingContext.SetColor(underColor);
|
|
aRenderingContext.FillRect(aX, aY + baseline - offset, aWidth, size);
|
|
}
|
|
}
|
|
if (decorations & NS_FONT_DECORATION_LINE_THROUGH) {
|
|
aTextStyle.mNormalFont->GetStrikeout(offset, size);
|
|
aRenderingContext.SetColor(strikeColor);
|
|
aRenderingContext.FillRect(aX, aY + baseline - offset, aWidth, size);
|
|
}
|
|
if (aDetails){
|
|
nsRect rect;
|
|
GetRect(rect);
|
|
PRInt32 startOffset = 0;
|
|
PRInt32 textWidth = 0;
|
|
while(aDetails){
|
|
PRInt32 start = PR_MAX(0,(aDetails->mStart - (PRInt32)aIndex));
|
|
PRInt32 end = PR_MIN((PRInt32)aLength,(aDetails->mEnd - (PRInt32)aIndex));
|
|
PRInt32 i;
|
|
if (start < end && (aLength - start) > 0)
|
|
{
|
|
//aDetails allready processed to have offsets from frame start not content offsets
|
|
if (start < end){
|
|
if (aLength == 1)
|
|
textWidth = aWidth;
|
|
else {
|
|
if (aDetails->mStart > 0){
|
|
if (aSpacing)
|
|
{
|
|
for (i = 0; i < start;i ++){
|
|
startOffset += *aSpacing ++;
|
|
}
|
|
}
|
|
else
|
|
aRenderingContext.GetWidth(aText, start, startOffset);
|
|
}
|
|
if (aSpacing){
|
|
for (i = start; i < end;i ++){
|
|
textWidth += *aSpacing ++;
|
|
}
|
|
}
|
|
else
|
|
aRenderingContext.GetWidth(aText + start,
|
|
PRUint32(end - start), textWidth);
|
|
|
|
}
|
|
switch (aDetails->mType)
|
|
{
|
|
case SELECTION_NORMAL:{
|
|
//
|
|
// XOR InvertRect is currently implemented only in the unix and windows
|
|
// rendering contexts. When other platforms implement InvertRect(), they
|
|
// can be added here. Eventually this #ifdef should die.
|
|
//
|
|
// For platforms that dont implement InvertRect(), the selection will be
|
|
// a non-filled rectangle.
|
|
#ifdef USE_INVERT_FOR_SELECTION
|
|
aRenderingContext.SetColor(NS_RGB(255,255,255));
|
|
aRenderingContext.InvertRect(aX + startOffset, aY, textWidth, rect.height);
|
|
#else
|
|
aRenderingContext.SetColor(NS_RGB(0,0,0));
|
|
aRenderingContext.DrawRect(aX + startOffset, aY, textWidth, rect.height);
|
|
#endif
|
|
}break;
|
|
case SELECTION_SPELLCHECK:{
|
|
aTextStyle.mNormalFont->GetUnderline(offset, size);
|
|
aRenderingContext.SetColor(NS_RGB(255,0,0));
|
|
aRenderingContext.FillRect(aX + startOffset, aY + baseline - offset, textWidth, size);
|
|
}break;
|
|
case SELECTION_IME_SELECTEDRAWTEXT:{
|
|
#ifdef USE_INVERT_FOR_SELECTION
|
|
aRenderingContext.SetColor(NS_RGB(255,255,255));
|
|
aRenderingContext.InvertRect(aX + startOffset, aY, textWidth, rect.height);
|
|
#else
|
|
aRenderingContext.SetColor(NS_RGB(255,255,128));
|
|
aRenderingContext.DrawRect(aX + startOffset, aY, textWidth, rect.height);
|
|
#endif
|
|
aTextStyle.mNormalFont->GetUnderline(offset, size);
|
|
aRenderingContext.SetColor(NS_RGB(189,33,66));
|
|
aRenderingContext.FillRect(aX + startOffset+size, aY + baseline - offset+size, textWidth-2*size, size);
|
|
}break;
|
|
case SELECTION_IME_RAWINPUT:{
|
|
aTextStyle.mNormalFont->GetUnderline(offset, size);
|
|
aRenderingContext.SetColor(NS_RGB(189,33,66));
|
|
aRenderingContext.FillRect(aX + startOffset+size, aY + baseline - offset+size, textWidth-2*size, size);
|
|
}break;
|
|
case SELECTION_IME_SELECTEDCONVERTEDTEXT:{
|
|
#ifdef USE_INVERT_FOR_SELECTION
|
|
aRenderingContext.SetColor(NS_RGB(255,255,255));
|
|
aRenderingContext.InvertRect(aX + startOffset, aY, textWidth, rect.height);
|
|
#else
|
|
aRenderingContext.SetColor(NS_RGB(255,255,128));
|
|
aRenderingContext.DrawRect(aX + startOffset, aY, textWidth, rect.height);
|
|
#endif
|
|
aTextStyle.mNormalFont->GetUnderline(offset, size);
|
|
aRenderingContext.SetColor(NS_RGB(189,33,66));
|
|
aRenderingContext.FillRect(aX + startOffset+size, aY + baseline - offset, textWidth-2*size, size*2);
|
|
}break;
|
|
case SELECTION_IME_CONVERTEDTEXT:{
|
|
aTextStyle.mNormalFont->GetUnderline(offset, size);
|
|
aRenderingContext.SetColor(NS_RGB(189,33,66));
|
|
aRenderingContext.FillRect(aX + startOffset+size, aY + baseline - offset, textWidth-2*size, size*2);
|
|
}break;
|
|
default:
|
|
NS_ASSERTION(0,"what type of selection do i not know about?");
|
|
break;
|
|
}
|
|
|
|
}
|
|
}
|
|
aDetails = aDetails->mNext;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsTextFrame::PaintUnicodeText(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
nsIStyleContext* aStyleContext,
|
|
TextStyle& aTextStyle,
|
|
nscoord dx, nscoord dy)
|
|
{
|
|
nsCOMPtr<nsIDocument> doc(getter_AddRefs(GetDocument(aPresContext)));
|
|
|
|
PRBool displaySelection;
|
|
displaySelection = doc->GetDisplaySelection();
|
|
|
|
// Make enough space to transform
|
|
nsAutoTextBuffer paintBuffer;
|
|
nsAutoIndexBuffer indexBuffer;
|
|
if (displaySelection) {
|
|
if (NS_FAILED(indexBuffer.GrowTo(mContentLength + 1))) {
|
|
return;
|
|
}
|
|
}
|
|
nscoord width = mRect.width;
|
|
|
|
// Transform text from content into renderable form
|
|
nsCOMPtr<nsILineBreaker> lb;
|
|
doc->GetLineBreaker(getter_AddRefs(lb));
|
|
nsTextTransformer tx(lb, nsnull);
|
|
PRInt32 textLength;
|
|
PrepareUnicodeText(tx, (displaySelection ? &indexBuffer : nsnull),
|
|
&paintBuffer, &textLength);
|
|
|
|
PRInt32* ip = indexBuffer.mBuffer;
|
|
PRUnichar* text = paintBuffer.mBuffer;
|
|
nsFrameState frameState;
|
|
PRBool isSelected;
|
|
GetFrameState(&frameState);
|
|
isSelected = (frameState & NS_FRAME_SELECTED_CONTENT) == NS_FRAME_SELECTED_CONTENT;
|
|
|
|
if (0 != textLength) {
|
|
if (!displaySelection || !isSelected ) {
|
|
// When there is no selection showing, use the fastest and
|
|
// simplest rendering approach
|
|
aRenderingContext.SetColor(aTextStyle.mColor->mColor);
|
|
aRenderingContext.DrawString(text, PRUint32(textLength), dx, dy);
|
|
PaintTextDecorations(aRenderingContext, aStyleContext, aTextStyle,
|
|
dx, dy, width);
|
|
}
|
|
else {
|
|
SelectionDetails *details = nsnull;
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
nsCOMPtr<nsIFrameSelection> frameSelection;
|
|
|
|
nsresult rv = aPresContext->GetShell(getter_AddRefs(shell));
|
|
if (NS_SUCCEEDED(rv) && shell){
|
|
rv = shell->GetFrameSelection(getter_AddRefs(frameSelection));
|
|
if (NS_SUCCEEDED(rv) && frameSelection){
|
|
nsCOMPtr<nsIContent> content;
|
|
rv = GetContent(getter_AddRefs(content));
|
|
if (NS_SUCCEEDED(rv) && content){
|
|
rv = frameSelection->LookUpSelection(content, mContentOffset,
|
|
mContentLength , &details);// last param notused
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//where are the selection points "really"
|
|
SelectionDetails *sdptr = details;
|
|
while (sdptr){
|
|
sdptr->mStart = ip[sdptr->mStart] - mContentOffset;
|
|
sdptr->mEnd = ip[sdptr->mEnd] - mContentOffset;
|
|
sdptr = sdptr->mNext;
|
|
}
|
|
aRenderingContext.SetColor(aTextStyle.mColor->mColor);
|
|
aRenderingContext.DrawString(text, PRUint32(textLength), dx, dy);
|
|
PaintTextDecorations(aRenderingContext, aStyleContext,
|
|
aTextStyle, dx, dy, width, text, details,0,(PRUint32)textLength);
|
|
sdptr = details;
|
|
if (details){
|
|
while ((sdptr = details->mNext) != nsnull) {
|
|
delete details;
|
|
details = sdptr;
|
|
}
|
|
delete details;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//measure Spaced Textvoid
|
|
nsresult
|
|
nsTextFrame::GetPositionSlowly(nsIPresContext& aPresContext,
|
|
nsIRenderingContext* aRendContext,
|
|
const nsPoint& aPoint,
|
|
nsIContent** aNewContent,
|
|
PRInt32& aOffset)
|
|
|
|
{
|
|
if (!aRendContext || !aNewContent) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
TextStyle ts(&aPresContext, *aRendContext, mStyleContext);
|
|
if (!ts.mSmallCaps && !ts.mWordSpacing && !ts.mLetterSpacing) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
nsIView * view;
|
|
nsPoint origin;
|
|
GetView(&aPresContext, &view);
|
|
GetOffsetFromView(&aPresContext, origin, &view);
|
|
|
|
if (aPoint.x - origin.x < 0)
|
|
{
|
|
*aNewContent = mContent;
|
|
aOffset =0;
|
|
}
|
|
nsCOMPtr<nsIDocument> doc(getter_AddRefs(GetDocument(&aPresContext)));
|
|
|
|
// Make enough space to transform
|
|
nsAutoTextBuffer paintBuffer;
|
|
nsAutoIndexBuffer indexBuffer;
|
|
nsresult rv = indexBuffer.GrowTo(mContentLength + 1);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// Transform text from content into renderable form
|
|
nsCOMPtr<nsILineBreaker> lb;
|
|
doc->GetLineBreaker(getter_AddRefs(lb));
|
|
nsTextTransformer tx(lb, nsnull);
|
|
PRInt32 textLength;
|
|
PrepareUnicodeText(tx, &indexBuffer, &paintBuffer, &textLength);
|
|
if (textLength <= 0) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
//IF SYLE SAYS TO SELCT TO END OF FRAME HERE...
|
|
nsCOMPtr<nsIPref> prefs;
|
|
PRInt32 prefInt = 0;
|
|
rv = nsServiceManager::GetService(kPrefCID,
|
|
nsIPref::GetIID(),
|
|
(nsISupports**)&prefs);
|
|
PRBool outofstylehandled = PR_FALSE;
|
|
if (NS_SUCCEEDED(rv) && prefs)
|
|
{
|
|
if (NS_SUCCEEDED(prefs->GetIntPref("browser.drag_out_of_frame_style", &prefInt)) && prefInt)
|
|
{
|
|
if (aPoint.y < mRect.y)//above rectangle
|
|
{
|
|
aOffset = mContentOffset;
|
|
outofstylehandled = PR_TRUE;
|
|
}
|
|
else if (aPoint.y > (mRect.y + mRect.height))
|
|
{
|
|
aOffset = mContentOffset + mContentLength;
|
|
outofstylehandled = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!outofstylehandled) //then we drag to closest X point and dont worry about the 'Y'
|
|
//END STYLE RULE
|
|
{
|
|
PRInt32 actualLength = textLength;
|
|
|
|
nscoord charWidth,widthsofar = 0;
|
|
PRInt32 indx = 0;
|
|
PRBool found = PR_FALSE;
|
|
PRInt32* ip = indexBuffer.mBuffer;
|
|
PRUnichar* paintBuf = paintBuffer.mBuffer;
|
|
PRUnichar* startBuf = paintBuf;
|
|
nsIFontMetrics* lastFont = ts.mLastFont;
|
|
for (; --textLength >= 0; paintBuf++,indx++) {
|
|
nsIFontMetrics* nextFont;
|
|
nscoord glyphWidth;
|
|
PRUnichar ch = *paintBuf;
|
|
if (ts.mSmallCaps && nsCRT::IsLower(ch)) {
|
|
nextFont = ts.mSmallFont;
|
|
ch = nsCRT::ToUpper(ch);
|
|
if (lastFont != ts.mSmallFont) {
|
|
aRendContext->SetFont(ts.mSmallFont);
|
|
aRendContext->GetWidth(ch, charWidth);
|
|
aRendContext->SetFont(ts.mNormalFont);
|
|
}
|
|
else {
|
|
aRendContext->GetWidth(ch, charWidth);
|
|
}
|
|
glyphWidth = charWidth + ts.mLetterSpacing;
|
|
}
|
|
else if (ch == ' ') {
|
|
nextFont = lastFont;
|
|
glyphWidth = ts.mSpaceWidth + ts.mWordSpacing;
|
|
nscoord extra = ts.mExtraSpacePerSpace;
|
|
if (--ts.mNumSpaces == 0) {
|
|
extra += ts.mRemainingExtraSpace;
|
|
}
|
|
glyphWidth += extra;
|
|
}
|
|
else {
|
|
nextFont = lastFont;
|
|
aRendContext->GetWidth(ch, charWidth);
|
|
glyphWidth = charWidth + ts.mLetterSpacing;
|
|
}
|
|
if ((aPoint.x - origin.x) >= widthsofar && (aPoint.x - origin.x) <= (widthsofar + glyphWidth)){
|
|
if ( ((aPoint.x - origin.x) - widthsofar) <= (glyphWidth /2)){
|
|
aOffset = indx;
|
|
found = PR_TRUE;
|
|
break;
|
|
}
|
|
else{
|
|
aOffset = indx+1;
|
|
found = PR_TRUE;
|
|
break;
|
|
}
|
|
|
|
}
|
|
if (nextFont != lastFont)
|
|
lastFont = nextFont;
|
|
|
|
widthsofar += glyphWidth;
|
|
}
|
|
paintBuf = startBuf;
|
|
if (!found){
|
|
aOffset = textLength;
|
|
if (aOffset <0)
|
|
aOffset = actualLength;//max length before textlength was reduced
|
|
}
|
|
aOffset += mContentOffset;//offset;//((nsTextFrame *)aNewFrame)->mContentOffset;
|
|
PRInt32 i;
|
|
for (i = 0;i <= mContentLength; i ++){
|
|
if (ip[i] == aOffset){ //reverse mapping
|
|
aOffset = i + mContentOffset;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
*aNewContent = mContent;
|
|
if (*aNewContent)
|
|
(*aNewContent)->AddRef();
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsTextFrame::RenderString(nsIRenderingContext& aRenderingContext,
|
|
nsIStyleContext* aStyleContext,
|
|
TextStyle& aTextStyle,
|
|
PRUnichar* aBuffer, PRInt32 aLength,
|
|
nscoord aX, nscoord aY,
|
|
nscoord aWidth,
|
|
SelectionDetails *aDetails /*=nsnull*/)
|
|
{
|
|
PRUnichar buf[TEXT_BUF_SIZE];
|
|
PRUnichar* bp0 = buf;
|
|
if (aLength > TEXT_BUF_SIZE) {
|
|
bp0 = new PRUnichar[aLength];
|
|
}
|
|
PRUnichar* bp = bp0;
|
|
|
|
PRBool spacing = (0 != aTextStyle.mLetterSpacing) ||
|
|
(0 != aTextStyle.mWordSpacing);
|
|
nscoord spacingMem[TEXT_BUF_SIZE];
|
|
PRIntn* sp0 = spacingMem;
|
|
if (spacing && (aLength > TEXT_BUF_SIZE)) {
|
|
sp0 = new nscoord[aLength];
|
|
}
|
|
PRIntn* sp = sp0;
|
|
|
|
nscoord smallY = aY;
|
|
if (aTextStyle.mSmallCaps) {
|
|
nscoord normalAscent, smallAscent;
|
|
aTextStyle.mNormalFont->GetMaxAscent(normalAscent);
|
|
aTextStyle.mSmallFont->GetMaxAscent(smallAscent);
|
|
if (normalAscent > smallAscent) {
|
|
smallY = aY + normalAscent - smallAscent;
|
|
}
|
|
}
|
|
|
|
nsIFontMetrics* lastFont = aTextStyle.mLastFont;
|
|
nscoord lastY = aY;
|
|
if (lastFont == aTextStyle.mSmallFont) {
|
|
lastY = smallY;
|
|
}
|
|
PRInt32 pendingCount;
|
|
PRUnichar* runStart = bp;
|
|
nscoord charWidth, width = 0;
|
|
PRInt32 countSoFar = 0;
|
|
for (; --aLength >= 0; aBuffer++) {
|
|
nsIFontMetrics* nextFont;
|
|
nscoord nextY, glyphWidth;
|
|
PRUnichar ch = *aBuffer;
|
|
if (aTextStyle.mSmallCaps && nsCRT::IsLower(ch)) {
|
|
nextFont = aTextStyle.mSmallFont;
|
|
nextY = smallY;
|
|
ch = nsCRT::ToUpper(ch);
|
|
if (lastFont != aTextStyle.mSmallFont) {
|
|
aRenderingContext.SetFont(aTextStyle.mSmallFont);
|
|
aRenderingContext.GetWidth(ch, charWidth);
|
|
aRenderingContext.SetFont(aTextStyle.mNormalFont);
|
|
}
|
|
else {
|
|
aRenderingContext.GetWidth(ch, charWidth);
|
|
}
|
|
glyphWidth = charWidth + aTextStyle.mLetterSpacing;
|
|
}
|
|
else if (ch == ' ') {
|
|
nextFont = aTextStyle.mNormalFont;
|
|
nextY = aY;
|
|
glyphWidth = aTextStyle.mSpaceWidth + aTextStyle.mWordSpacing;
|
|
nscoord extra = aTextStyle.mExtraSpacePerSpace;
|
|
if (--aTextStyle.mNumSpaces == 0) {
|
|
extra += aTextStyle.mRemainingExtraSpace;
|
|
}
|
|
glyphWidth += extra;
|
|
}
|
|
else {
|
|
if (lastFont != aTextStyle.mNormalFont) {
|
|
aRenderingContext.SetFont(aTextStyle.mNormalFont);
|
|
aRenderingContext.GetWidth(ch, charWidth);
|
|
aRenderingContext.SetFont(aTextStyle.mSmallFont);
|
|
}
|
|
else {
|
|
aRenderingContext.GetWidth(ch, charWidth);
|
|
}
|
|
nextFont = aTextStyle.mNormalFont;
|
|
nextY = aY;
|
|
glyphWidth = charWidth + aTextStyle.mLetterSpacing;
|
|
}
|
|
if (nextFont != lastFont) {
|
|
pendingCount = bp - runStart;
|
|
if (0 != pendingCount) {
|
|
// Measure previous run of characters using the previous font
|
|
aRenderingContext.SetColor(aTextStyle.mColor->mColor);
|
|
aRenderingContext.DrawString(runStart, pendingCount,
|
|
aX, lastY, -1,
|
|
spacing ? sp0 : nsnull);
|
|
|
|
// Note: use aY not small-y so that decorations are drawn with
|
|
// respect to the normal-font not the current font.
|
|
PaintTextDecorations(aRenderingContext, aStyleContext, aTextStyle,
|
|
aX, aY, width, runStart, aDetails,countSoFar,pendingCount, spacing ? sp0 : nsnull);
|
|
countSoFar += pendingCount;
|
|
aWidth -= width;
|
|
aX += width;
|
|
runStart = bp = bp0;
|
|
sp = sp0;
|
|
width = 0;
|
|
}
|
|
aRenderingContext.SetFont(nextFont);
|
|
lastFont = nextFont;
|
|
lastY = nextY;
|
|
}
|
|
*bp++ = ch;
|
|
*sp++ = glyphWidth;
|
|
width += glyphWidth;
|
|
}
|
|
pendingCount = bp - runStart;
|
|
if (0 != pendingCount) {
|
|
// Measure previous run of characters using the previous font
|
|
aRenderingContext.SetColor(aTextStyle.mColor->mColor);
|
|
aRenderingContext.DrawString(runStart, pendingCount, aX, lastY, -1,
|
|
spacing ? sp0 : nsnull);
|
|
|
|
// Note: use aY not small-y so that decorations are drawn with
|
|
// respect to the normal-font not the current font.
|
|
PaintTextDecorations(aRenderingContext, aStyleContext, aTextStyle,
|
|
aX, aY, aWidth, runStart, aDetails,countSoFar,pendingCount,
|
|
spacing ? sp0 : nsnull);
|
|
}
|
|
aTextStyle.mLastFont = lastFont;
|
|
|
|
if (bp0 != buf) {
|
|
delete [] bp0;
|
|
}
|
|
if (sp0 != spacingMem) {
|
|
delete [] sp0;
|
|
}
|
|
}
|
|
|
|
inline void
|
|
nsTextFrame::MeasureSmallCapsText(const nsHTMLReflowState& aReflowState,
|
|
TextStyle& aTextStyle,
|
|
PRUnichar* aWord,
|
|
PRInt32 aWordLength,
|
|
nscoord* aWidthResult)
|
|
{
|
|
nsIRenderingContext& rc = *aReflowState.rendContext;
|
|
GetWidth(rc, aTextStyle, aWord, aWordLength, aWidthResult);
|
|
if (aTextStyle.mLastFont != aTextStyle.mNormalFont) {
|
|
rc.SetFont(aTextStyle.mNormalFont);
|
|
aTextStyle.mLastFont = aTextStyle.mNormalFont;
|
|
}
|
|
}
|
|
|
|
// XXX factor in logic from RenderString into here; gaps, justification, etc.
|
|
void
|
|
nsTextFrame::GetWidth(nsIRenderingContext& aRenderingContext,
|
|
TextStyle& aTextStyle,
|
|
PRUnichar* aBuffer, PRInt32 aLength,
|
|
nscoord* aWidthResult)
|
|
{
|
|
nsAutoTextBuffer widthBuffer;
|
|
if (NS_FAILED(widthBuffer.GrowTo(aLength))) {
|
|
*aWidthResult = 0;
|
|
return;
|
|
}
|
|
PRUnichar* bp = widthBuffer.mBuffer;
|
|
|
|
nsIFontMetrics* lastFont = aTextStyle.mLastFont;
|
|
nscoord sum = 0;
|
|
nscoord charWidth;
|
|
while (--aLength >= 0) {
|
|
nscoord glyphWidth;
|
|
PRUnichar ch = *aBuffer++;
|
|
if (aTextStyle.mSmallCaps && nsCRT::IsLower(ch)) {
|
|
ch = nsCRT::ToUpper(ch);
|
|
if (lastFont != aTextStyle.mSmallFont) {
|
|
lastFont = aTextStyle.mSmallFont;
|
|
aRenderingContext.SetFont(lastFont);
|
|
}
|
|
aRenderingContext.GetWidth(ch, charWidth);
|
|
glyphWidth = charWidth + aTextStyle.mLetterSpacing;
|
|
}
|
|
else if (ch == ' ') {
|
|
glyphWidth = aTextStyle.mSpaceWidth + aTextStyle.mWordSpacing;
|
|
nscoord extra = aTextStyle.mExtraSpacePerSpace;
|
|
if (--aTextStyle.mNumSpaces == 0) {
|
|
extra += aTextStyle.mRemainingExtraSpace;
|
|
}
|
|
glyphWidth += extra;
|
|
}
|
|
else {
|
|
if (lastFont != aTextStyle.mNormalFont) {
|
|
lastFont = aTextStyle.mNormalFont;
|
|
aRenderingContext.SetFont(lastFont);
|
|
}
|
|
aRenderingContext.GetWidth(ch, charWidth);
|
|
glyphWidth = charWidth + aTextStyle.mLetterSpacing;
|
|
}
|
|
sum += glyphWidth;
|
|
*bp++ = ch;
|
|
}
|
|
aTextStyle.mLastFont = lastFont;
|
|
*aWidthResult = sum;
|
|
}
|
|
|
|
void
|
|
nsTextFrame::PaintTextSlowly(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
nsIStyleContext* aStyleContext,
|
|
TextStyle& aTextStyle,
|
|
nscoord dx, nscoord dy)
|
|
{
|
|
nsCOMPtr<nsIDocument> doc(getter_AddRefs(GetDocument(aPresContext)));
|
|
|
|
PRBool displaySelection;
|
|
displaySelection = doc->GetDisplaySelection();
|
|
|
|
// Make enough space to transform
|
|
nsAutoTextBuffer paintBuffer;
|
|
nsAutoIndexBuffer indexBuffer;
|
|
if (NS_FAILED(indexBuffer.GrowTo(mContentLength + 1))) {
|
|
return;
|
|
}
|
|
nscoord width = mRect.width;
|
|
PRInt32 textLength;
|
|
|
|
// Transform text from content into renderable form
|
|
nsCOMPtr<nsILineBreaker> lb;
|
|
doc->GetLineBreaker(getter_AddRefs(lb));
|
|
nsTextTransformer tx(lb, nsnull);
|
|
aTextStyle.mNumSpaces = PrepareUnicodeText(tx,
|
|
(displaySelection
|
|
? &indexBuffer : nsnull),
|
|
&paintBuffer, &textLength);
|
|
|
|
PRInt32* ip = indexBuffer.mBuffer;
|
|
PRUnichar* text = paintBuffer.mBuffer;
|
|
nsFrameState frameState;
|
|
PRBool isSelected;
|
|
GetFrameState(&frameState);
|
|
isSelected = (frameState & NS_FRAME_SELECTED_CONTENT) == NS_FRAME_SELECTED_CONTENT;
|
|
if (0 != textLength) {
|
|
if (!displaySelection || !isSelected) {
|
|
// When there is no selection showing, use the fastest and
|
|
// simplest rendering approach
|
|
RenderString(aRenderingContext, aStyleContext, aTextStyle,
|
|
text, textLength, dx, dy, width);
|
|
}
|
|
else {
|
|
SelectionDetails *details = nsnull;
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
nsCOMPtr<nsIFrameSelection> frameSelection;
|
|
nsresult rv = aPresContext->GetShell(getter_AddRefs(shell));
|
|
if (NS_SUCCEEDED(rv) && shell){
|
|
rv = shell->GetFrameSelection(getter_AddRefs(frameSelection));
|
|
if (NS_SUCCEEDED(rv) && frameSelection){
|
|
nsCOMPtr<nsIContent> content;
|
|
rv = GetContent(getter_AddRefs(content));
|
|
if (NS_SUCCEEDED(rv)){
|
|
rv = frameSelection->LookUpSelection(content, mContentOffset,
|
|
mContentLength , &details);// last param notused
|
|
}
|
|
}
|
|
}
|
|
|
|
//where are the selection points "really"
|
|
SelectionDetails *sdptr = details;
|
|
while (sdptr){
|
|
sdptr->mStart = ip[sdptr->mStart] - mContentOffset;
|
|
sdptr->mEnd = ip[sdptr->mEnd] - mContentOffset;
|
|
sdptr = sdptr->mNext;
|
|
}
|
|
aRenderingContext.SetColor(aTextStyle.mColor->mColor);
|
|
RenderString(aRenderingContext,aStyleContext, aTextStyle, text,
|
|
PRUint32(textLength), dx, dy, width, details);
|
|
sdptr = details;
|
|
if (details){
|
|
while ((sdptr = details->mNext) != nsnull) {
|
|
delete details;
|
|
details = sdptr;
|
|
}
|
|
delete details;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsTextFrame::PaintAsciiText(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
nsIStyleContext* aStyleContext,
|
|
TextStyle& aTextStyle,
|
|
nscoord dx, nscoord dy)
|
|
{
|
|
nsCOMPtr<nsIDocument> doc(getter_AddRefs(GetDocument(aPresContext)));
|
|
|
|
PRBool displaySelection;
|
|
displaySelection = doc->GetDisplaySelection();
|
|
|
|
// Make enough space to transform
|
|
nsAutoTextBuffer unicodePaintBuffer;
|
|
nsAutoIndexBuffer indexBuffer;
|
|
if (displaySelection) {
|
|
if (NS_FAILED(indexBuffer.GrowTo(mContentLength + 1))) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Transform text from content into renderable form
|
|
nsCOMPtr<nsILineBreaker> lb;
|
|
doc->GetLineBreaker(getter_AddRefs(lb));
|
|
nsTextTransformer tx(lb, nsnull);
|
|
PRInt32 textLength;
|
|
PrepareUnicodeText(tx, (displaySelection ? &indexBuffer : nsnull),
|
|
&unicodePaintBuffer, &textLength);
|
|
|
|
// Translate unicode data into ascii for rendering
|
|
char paintBufMem[TEXT_BUF_SIZE];
|
|
char* paintBuf = paintBufMem;
|
|
if (textLength > TEXT_BUF_SIZE) {
|
|
paintBuf = new char[textLength];
|
|
if (!paintBuf) {
|
|
return;
|
|
}
|
|
}
|
|
char* dst = paintBuf;
|
|
char* end = dst + textLength;
|
|
PRUnichar* src = unicodePaintBuffer.mBuffer;
|
|
while (dst < end) {
|
|
*dst++ = (char) ((unsigned char) *src++);
|
|
}
|
|
|
|
nscoord width = mRect.width;
|
|
PRInt32* ip = indexBuffer.mBuffer;
|
|
char* text = paintBuf;
|
|
nsFrameState frameState;
|
|
PRBool isSelected;
|
|
GetFrameState(&frameState);
|
|
isSelected = (frameState & NS_FRAME_SELECTED_CONTENT) == NS_FRAME_SELECTED_CONTENT;
|
|
|
|
if (0 != textLength) {
|
|
if (!displaySelection || !isSelected) {
|
|
//if selection is > content length then selection has "slid off"
|
|
// When there is no selection showing, use the fastest and
|
|
// simplest rendering approach
|
|
aRenderingContext.SetColor(aTextStyle.mColor->mColor);
|
|
aRenderingContext.DrawString(text, PRUint32(textLength), dx, dy);
|
|
PaintTextDecorations(aRenderingContext, aStyleContext, aTextStyle,
|
|
dx, dy, width);
|
|
}
|
|
else {
|
|
SelectionDetails *details;
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
nsCOMPtr<nsIFrameSelection> frameSelection;
|
|
nsresult rv = aPresContext->GetShell(getter_AddRefs(shell));
|
|
if (NS_SUCCEEDED(rv) && shell){
|
|
rv = shell->GetFrameSelection(getter_AddRefs(frameSelection));
|
|
if (NS_SUCCEEDED(rv) && frameSelection){
|
|
nsCOMPtr<nsIContent> content;
|
|
rv = GetContent(getter_AddRefs(content));
|
|
if (NS_SUCCEEDED(rv)){
|
|
rv = frameSelection->LookUpSelection(content, mContentOffset,
|
|
mContentLength , &details);// last param notused
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//where are the selection points "really"
|
|
SelectionDetails *sdptr = details;
|
|
while (sdptr){
|
|
sdptr->mStart = ip[sdptr->mStart] - mContentOffset;
|
|
sdptr->mEnd = ip[sdptr->mEnd] - mContentOffset;
|
|
sdptr = sdptr->mNext;
|
|
}
|
|
aRenderingContext.SetColor(aTextStyle.mColor->mColor);
|
|
aRenderingContext.DrawString(text, PRUint32(textLength), dx, dy);
|
|
PaintTextDecorations(aRenderingContext, aStyleContext,
|
|
aTextStyle, dx, dy, width,
|
|
unicodePaintBuffer.mBuffer,
|
|
details, 0, textLength);
|
|
sdptr = details;
|
|
if (details){
|
|
while ((sdptr = details->mNext) != nsnull) {
|
|
delete details;
|
|
details = sdptr;
|
|
}
|
|
delete details;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Cleanup
|
|
if (paintBuf != paintBufMem) {
|
|
delete [] paintBuf;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::FindTextRuns(nsLineLayout& aLineLayout)
|
|
{
|
|
nsIFrame* prevInFlow;
|
|
GetPrevInFlow(&prevInFlow);
|
|
if (nsnull == prevInFlow) {
|
|
aLineLayout.AddText(this);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
//---------------------------------------------------
|
|
// Uses a binary search for find where the cursor falls in the line of text
|
|
// It also keeps track of the part of the string that has already been measured
|
|
// so it doesn't have to keep measuring the same text over and over
|
|
//
|
|
// Param "aBaseWidth" contains the width in twips of the portion
|
|
// of the text that has already been measured, and aBaseInx contains
|
|
// the index of the text that has already been measured.
|
|
//
|
|
// aTextWidth returns the (in twips) the length of the text that falls before the cursor
|
|
// aIndex contains the index of the text where the cursor falls
|
|
static PRBool
|
|
BinarySearchForPosition(nsIRenderingContext* acx,
|
|
PRUnichar* aText,
|
|
PRInt32 aBaseWidth,
|
|
PRInt32 aBaseInx,
|
|
PRInt32 aStartInx,
|
|
PRInt32 aEndInx,
|
|
PRInt32 aCursorPos,
|
|
PRInt32& aIndex,
|
|
PRInt32& aTextWidth)
|
|
{
|
|
PRInt32 range = aEndInx - aStartInx;
|
|
if (range == 1) {
|
|
aIndex = aStartInx + aBaseInx;
|
|
acx->GetWidth(aText, aIndex, aTextWidth);
|
|
return PR_TRUE;
|
|
}
|
|
PRInt32 inx = aStartInx + (range / 2);
|
|
|
|
PRInt32 textWidth = 0;
|
|
acx->GetWidth(aText, inx, textWidth);
|
|
|
|
PRInt32 fullWidth = aBaseWidth + textWidth;
|
|
if (fullWidth == aCursorPos) {
|
|
aTextWidth = textWidth;
|
|
aIndex = inx;
|
|
return PR_TRUE;
|
|
} else if (aCursorPos < fullWidth) {
|
|
aTextWidth = aBaseWidth;
|
|
if (BinarySearchForPosition(acx, aText, aBaseWidth, aBaseInx, aStartInx, inx, aCursorPos, aIndex, aTextWidth)) {
|
|
return PR_TRUE;
|
|
}
|
|
} else {
|
|
aTextWidth = fullWidth;
|
|
if (BinarySearchForPosition(acx, aText, aBaseWidth, aBaseInx, inx, aEndInx, aCursorPos, aIndex, aTextWidth)) {
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
return PR_FALSE;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
// Uses a binary search to find the position of the cursor in the text.
|
|
// The "indices array is used to map from the compressed text back to the
|
|
// un-compressed text, selection is based on the un-compressed text, the visual
|
|
// display of selection is based on the compressed text.
|
|
//---------------------------------------------------------------------------
|
|
NS_IMETHODIMP
|
|
nsTextFrame::GetPosition(nsIPresContext& aCX,
|
|
const nsPoint& aPoint,
|
|
nsIContent ** aNewContent,
|
|
PRInt32& aContentOffset,
|
|
PRInt32& aContentOffsetEnd)
|
|
|
|
{
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
nsresult rv = aCX.GetShell(getter_AddRefs(shell));
|
|
if (NS_SUCCEEDED(rv) && shell) {
|
|
nsCOMPtr<nsIRenderingContext> acx;
|
|
rv = shell->CreateRenderingContext(this, getter_AddRefs(acx));
|
|
if (NS_SUCCEEDED(rv)) {
|
|
TextStyle ts(&aCX, *acx, mStyleContext);
|
|
if (ts.mSmallCaps || ts.mWordSpacing || ts.mLetterSpacing) {
|
|
|
|
nsresult result = GetPositionSlowly(aCX, acx, aPoint, aNewContent,
|
|
aContentOffset);
|
|
aContentOffsetEnd = aContentOffset;
|
|
return result;
|
|
}
|
|
|
|
// Make enough space to transform
|
|
nsAutoTextBuffer paintBuffer;
|
|
nsAutoIndexBuffer indexBuffer;
|
|
rv = indexBuffer.GrowTo(mContentLength + 1);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// Find the font metrics for this text
|
|
nsIStyleContext* styleContext;
|
|
GetStyleContext(&styleContext);
|
|
const nsStyleFont *font = (const nsStyleFont*)
|
|
styleContext->GetStyleData(eStyleStruct_Font);
|
|
NS_RELEASE(styleContext);
|
|
nsCOMPtr<nsIFontMetrics> fm;
|
|
aCX.GetMetricsFor(font->mFont, getter_AddRefs(fm));
|
|
acx->SetFont(fm);
|
|
|
|
// Get the renderable form of the text
|
|
nsCOMPtr<nsIDocument> doc(getter_AddRefs(GetDocument(&aCX)));
|
|
nsCOMPtr<nsILineBreaker> lb;
|
|
doc->GetLineBreaker(getter_AddRefs(lb));
|
|
nsTextTransformer tx(lb, nsnull);
|
|
PRInt32 textLength;
|
|
PrepareUnicodeText(tx, &indexBuffer, &paintBuffer, &textLength);
|
|
|
|
if (textLength <=0) {
|
|
//invalid frame to get position on
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsPoint origin;
|
|
nsIView * view;
|
|
GetOffsetFromView(&aCX, origin, &view);
|
|
|
|
//IF SYLE SAYS TO SELCT TO END OF FRAME HERE...
|
|
nsCOMPtr<nsIPref> prefs;
|
|
PRInt32 prefInt = 0;
|
|
rv = nsServiceManager::GetService(kPrefCID,
|
|
nsIPref::GetIID(),
|
|
(nsISupports**)&prefs);
|
|
PRBool outofstylehandled = PR_FALSE;
|
|
if (NS_SUCCEEDED(rv) && prefs)
|
|
{
|
|
if (NS_SUCCEEDED(prefs->GetIntPref("browser.drag_out_of_frame_style", &prefInt)) && prefInt)
|
|
{
|
|
if ((aPoint.y - origin.y) < 0)//above rectangle
|
|
{
|
|
aContentOffset = mContentOffset;
|
|
aContentOffsetEnd = aContentOffset;
|
|
outofstylehandled = PR_TRUE;
|
|
}
|
|
else if ((aPoint.y - origin.y) > mRect.height)
|
|
{
|
|
aContentOffset = mContentOffset + mContentLength;
|
|
aContentOffsetEnd = aContentOffset;
|
|
outofstylehandled = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!outofstylehandled) //then we need to track based on the X coord only
|
|
{
|
|
//END STYLE IF
|
|
PRInt32* ip = indexBuffer.mBuffer;
|
|
|
|
PRInt32 indx;
|
|
PRInt32 textWidth = 0;
|
|
PRUnichar* text = paintBuffer.mBuffer;
|
|
PRBool found = BinarySearchForPosition(acx, text, origin.x, 0, 0,
|
|
PRInt32(textLength),
|
|
PRInt32(aPoint.x) , //go to local coordinates
|
|
indx, textWidth);
|
|
if (found) {
|
|
PRInt32 charWidth;
|
|
acx->GetWidth(text[indx], charWidth);
|
|
charWidth /= 2;
|
|
|
|
if (PR_ABS(PRInt32(aPoint.x) - origin.x) > textWidth+charWidth) {
|
|
indx++;
|
|
}
|
|
}
|
|
|
|
aContentOffset = indx + mContentOffset;
|
|
//reusing wordBufMem
|
|
PRInt32 i;
|
|
for (i = 0;i <= mContentLength; i ++){
|
|
if (ip[i] == aContentOffset){ //reverse mapping
|
|
aContentOffset = i + mContentOffset;
|
|
break;
|
|
}
|
|
}
|
|
aContentOffsetEnd = aContentOffset;
|
|
NS_ASSERTION(i<= mContentLength, "offset we got from binary search is messed up");
|
|
}
|
|
*aNewContent = mContent;
|
|
if (*aNewContent) {
|
|
(*aNewContent)->AddRef();
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::GetContentAndOffsetsFromPoint(nsIPresContext& aCX,
|
|
const nsPoint& aPoint,
|
|
nsIContent ** aNewContent,
|
|
PRInt32& aContentOffset,
|
|
PRInt32& aContentOffsetEnd,
|
|
PRBool& aBeginFrameContent)
|
|
{
|
|
nsPoint newPoint;
|
|
newPoint.y = aPoint.y;
|
|
if (aPoint.x < 0)
|
|
newPoint.x = 0;
|
|
else
|
|
newPoint.x = aPoint.x;
|
|
|
|
nsresult rv = GetPosition(aCX, newPoint, aNewContent, aContentOffset, aContentOffsetEnd);
|
|
if (aContentOffset == mContentOffset)
|
|
aBeginFrameContent = PR_TRUE;
|
|
else
|
|
aBeginFrameContent = PR_FALSE;
|
|
return rv;
|
|
}
|
|
|
|
|
|
// [HACK] Foward Declarations
|
|
void ForceDrawFrame(nsFrame * aFrame);
|
|
|
|
//null range means the whole thing
|
|
NS_IMETHODIMP
|
|
nsTextFrame::SetSelected(nsIPresContext* aPresContext,
|
|
nsIDOMRange *aRange,
|
|
PRBool aSelected,
|
|
nsSpread aSpread)
|
|
{
|
|
nsresult result;
|
|
if (aSelected && ParentDisablesSelection())
|
|
return NS_OK;
|
|
|
|
nsFrameState frameState;
|
|
GetFrameState(&frameState);
|
|
PRBool isSelected = ((frameState & NS_FRAME_SELECTED_CONTENT) == NS_FRAME_SELECTED_CONTENT);
|
|
if (!aSelected && !isSelected) //already set thanks
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
PRBool found = PR_FALSE;
|
|
PRBool wholeContentFound = PR_FALSE;//if the entire content we look at is selected.
|
|
if (aRange) {
|
|
//lets see if the range contains us, if so we must redraw!
|
|
nsCOMPtr<nsIDOMNode> endNode;
|
|
PRInt32 endOffset;
|
|
nsCOMPtr<nsIDOMNode> startNode;
|
|
PRInt32 startOffset;
|
|
aRange->GetEndParent(getter_AddRefs(endNode));
|
|
aRange->GetEndOffset(&endOffset);
|
|
aRange->GetStartParent(getter_AddRefs(startNode));
|
|
aRange->GetStartOffset(&startOffset);
|
|
nsCOMPtr<nsIContent> content;
|
|
result = GetContent(getter_AddRefs(content));
|
|
nsCOMPtr<nsIDOMNode> thisNode;
|
|
thisNode = do_QueryInterface(content);
|
|
|
|
if (thisNode == startNode)
|
|
{
|
|
if ((mContentOffset + mContentLength) >= startOffset)
|
|
{
|
|
found = PR_TRUE;
|
|
if (thisNode == endNode)
|
|
{ //special case
|
|
if (endOffset == startOffset) //no need to redraw since drawing takes place with cursor
|
|
found = PR_FALSE;
|
|
|
|
if (mContentOffset > endOffset)
|
|
found = PR_FALSE;
|
|
}
|
|
}
|
|
}
|
|
else if (thisNode == endNode)
|
|
{
|
|
if (mContentOffset < endOffset)
|
|
found = PR_TRUE;
|
|
else
|
|
{
|
|
found = PR_FALSE;
|
|
wholeContentFound = PR_TRUE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
found = PR_TRUE;
|
|
}
|
|
}
|
|
else {
|
|
if ( aSelected != (PRBool)(frameState | NS_FRAME_SELECTED_CONTENT) ){
|
|
found = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
if ( aSelected )
|
|
frameState |= NS_FRAME_SELECTED_CONTENT;
|
|
else
|
|
frameState &= ~NS_FRAME_SELECTED_CONTENT;
|
|
SetFrameState(frameState);
|
|
if (found){ //if range contains this frame...
|
|
nsRect frameRect;
|
|
GetRect(frameRect);
|
|
nsRect rect(0, 0, frameRect.width, frameRect.height);
|
|
Invalidate(aPresContext, rect, PR_FALSE);
|
|
// ForceDrawFrame(this);
|
|
}
|
|
if (aSpread == eSpreadDown)
|
|
{
|
|
nsIFrame *frame;
|
|
GetPrevInFlow(&frame);
|
|
while(frame){
|
|
frame->SetSelected(aPresContext, aRange,aSelected,eSpreadNone);
|
|
result = frame->GetPrevInFlow(&frame);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
GetNextInFlow(&frame);
|
|
while (frame){
|
|
frame->SetSelected(aPresContext, aRange,aSelected,eSpreadNone);
|
|
result = frame->GetNextInFlow(&frame);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
#if 0
|
|
else //we need to talk to siblings as well as flow
|
|
{
|
|
result = GetNextSibling(&frame);
|
|
while (NS_SUCCEEDED(result) && frame){
|
|
frame->SetSelected(aRange,aSelected,eSpreadDown);
|
|
result = frame->GetNextSibling(&frame);
|
|
if (NS_FAILED(result))
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::GetPointFromOffset(nsIPresContext* aPresContext,
|
|
nsIRenderingContext* inRendContext,
|
|
PRInt32 inOffset,
|
|
nsPoint* outPoint)
|
|
{
|
|
if (!aPresContext || !inRendContext || !outPoint)
|
|
return NS_ERROR_NULL_POINTER;
|
|
|
|
if (mContentLength <= 0) {
|
|
outPoint->x = 0;
|
|
outPoint->y = 0;
|
|
return NS_OK;
|
|
}
|
|
|
|
inOffset-=mContentOffset;
|
|
if (inOffset < 0){
|
|
NS_ASSERTION(0,"offset less than this frame has in GetPointFromOffset");
|
|
inOffset = 0;
|
|
}
|
|
TextStyle ts(aPresContext, *inRendContext, mStyleContext);
|
|
|
|
// Make enough space to transform
|
|
nsAutoTextBuffer paintBuffer;
|
|
nsAutoIndexBuffer indexBuffer;
|
|
nsresult rv = indexBuffer.GrowTo(mContentLength + 1);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// Transform text from content into renderable form
|
|
nsCOMPtr<nsIDocument> doc(getter_AddRefs(GetDocument(aPresContext)));
|
|
nsCOMPtr<nsILineBreaker> lb;
|
|
doc->GetLineBreaker(getter_AddRefs(lb));
|
|
nsTextTransformer tx(lb, nsnull);
|
|
PRInt32 textLength;
|
|
PrepareUnicodeText(tx, &indexBuffer, &paintBuffer, &textLength);
|
|
|
|
PRInt32* ip = indexBuffer.mBuffer;
|
|
if (inOffset > mContentLength){
|
|
NS_ASSERTION(0, "invalid offset passed to GetPointFromOffset");
|
|
inOffset = mContentLength;
|
|
}
|
|
|
|
nscoord width = mRect.width;
|
|
GetWidth(*inRendContext, ts,
|
|
paintBuffer.mBuffer, ip[inOffset]-mContentOffset,
|
|
&width);
|
|
|
|
if (inOffset > textLength && (TEXT_TRIMMED_WS & mState)){
|
|
//
|
|
// Offset must be after a space that has
|
|
// been trimmed off the end of the frame.
|
|
// Add the width of the trimmed space back
|
|
// to the total width, so the caret appears
|
|
// in the proper place!
|
|
//
|
|
width += ts.mSpaceWidth;
|
|
}
|
|
|
|
outPoint->x = width;
|
|
outPoint->y = 0;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::GetChildFrameContainingOffset(PRInt32 inContentOffset,
|
|
PRBool inHint,
|
|
PRInt32* outFrameContentOffset,
|
|
nsIFrame **outChildFrame)
|
|
{
|
|
if (nsnull == outChildFrame)
|
|
return NS_ERROR_NULL_POINTER;
|
|
nsresult result;
|
|
PRInt32 contentOffset = inContentOffset;
|
|
|
|
if (contentOffset != -1) //-1 signified the end of the current content
|
|
contentOffset = inContentOffset - mContentOffset;
|
|
|
|
if ((contentOffset > mContentLength) || ((contentOffset == mContentLength) && inHint) )
|
|
{
|
|
//this is not the frame we are looking for.
|
|
nsIFrame *nextInFlow;
|
|
GetNextInFlow(&nextInFlow);
|
|
if (nextInFlow)
|
|
{
|
|
return nextInFlow->GetChildFrameContainingOffset(inContentOffset, inHint, outFrameContentOffset, outChildFrame);
|
|
}
|
|
else if (contentOffset != mContentLength) //that condition was only for when there is a choice
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
if (inContentOffset < mContentOffset) //could happen with floaters!
|
|
{
|
|
result = GetPrevInFlow(outChildFrame);
|
|
if (NS_SUCCEEDED(result) && outChildFrame)
|
|
return (*outChildFrame)->GetChildFrameContainingOffset(inContentOffset, inHint,
|
|
outFrameContentOffset,outChildFrame);
|
|
else
|
|
return result;
|
|
}
|
|
|
|
*outFrameContentOffset = contentOffset;
|
|
*outChildFrame = this;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::PeekOffset(nsIPresContext* aPresContext, nsPeekOffsetStruct *aPos)
|
|
{
|
|
|
|
if (!aPos || !mContent)
|
|
return NS_ERROR_NULL_POINTER;
|
|
if (aPos->mStartOffset < 0 )
|
|
aPos->mStartOffset = mContentLength + mContentOffset;
|
|
if (aPos->mStartOffset < mContentOffset){
|
|
aPos->mStartOffset = mContentOffset;
|
|
}
|
|
if (aPos->mStartOffset > (mContentOffset + mContentLength)){
|
|
nsIFrame *nextInFlow;
|
|
GetNextInFlow(&nextInFlow);
|
|
if (!nextInFlow){
|
|
NS_ASSERTION(PR_FALSE,"nsTextFrame::PeekOffset no more flow \n");
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
return nextInFlow->PeekOffset(aPresContext, aPos);
|
|
}
|
|
|
|
if (aPos->mAmount == eSelectLine || aPos->mAmount == eSelectBeginLine
|
|
|| aPos->mAmount == eSelectEndLine)
|
|
{
|
|
return nsFrame::PeekOffset(aPresContext, aPos);
|
|
}
|
|
|
|
nsAutoTextBuffer paintBuffer;
|
|
nsAutoIndexBuffer indexBuffer;
|
|
nsresult rv = indexBuffer.GrowTo(mContentLength + 1);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
PRInt32* ip = indexBuffer.mBuffer;
|
|
|
|
PRInt32 textLength;
|
|
nsresult result(NS_ERROR_FAILURE);
|
|
aPos->mResultContent = mContent;//do this right off
|
|
switch (aPos->mAmount){
|
|
case eSelectNoAmount:
|
|
{
|
|
// Transform text from content into renderable form
|
|
nsIDocument* doc;
|
|
result = mContent->GetDocument(doc);
|
|
if (NS_FAILED(result) || !doc) {
|
|
return result;
|
|
}
|
|
nsCOMPtr<nsILineBreaker> lb;
|
|
doc->GetLineBreaker(getter_AddRefs(lb));
|
|
NS_RELEASE(doc);
|
|
|
|
nsTextTransformer tx(lb, nsnull);
|
|
PrepareUnicodeText(tx, &indexBuffer, &paintBuffer, &textLength);
|
|
|
|
if (textLength)//if no renderable length, you cant park here.
|
|
{
|
|
aPos->mContentOffset = aPos->mStartOffset;
|
|
result = NS_OK;
|
|
}
|
|
else
|
|
{
|
|
aPos->mAmount = eSelectDir;//go to "next" or previous frame based on direction not THIS frame
|
|
result = GetFrameFromDirection(aPos);
|
|
if (NS_SUCCEEDED(result) && aPos->mResultFrame && aPos->mResultFrame!= this)
|
|
return aPos->mResultFrame->PeekOffset(aPresContext, aPos);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case eSelectCharacter:
|
|
{
|
|
// Transform text from content into renderable form
|
|
nsIDocument* doc;
|
|
result = mContent->GetDocument(doc);
|
|
if (NS_FAILED(result) || !doc) {
|
|
return result;
|
|
}
|
|
nsCOMPtr<nsILineBreaker> lb;
|
|
doc->GetLineBreaker(getter_AddRefs(lb));
|
|
NS_RELEASE(doc);
|
|
|
|
nsTextTransformer tx(lb, nsnull);
|
|
PrepareUnicodeText(tx, &indexBuffer, &paintBuffer, &textLength);
|
|
|
|
nsIFrame *frameUsed = nsnull;
|
|
PRInt32 start;
|
|
PRBool found = PR_TRUE;
|
|
if (aPos->mDirection == eDirPrevious){
|
|
aPos->mContentOffset = 0;
|
|
PRInt32 i;
|
|
for (i = aPos->mStartOffset -1 - mContentOffset; i >=0; i--){
|
|
if (ip[i] < ip[aPos->mStartOffset - mContentOffset]){
|
|
aPos->mContentOffset = i + mContentOffset;
|
|
break;
|
|
}
|
|
}
|
|
if (i <0){
|
|
found = PR_FALSE;
|
|
GetPrevInFlow(&frameUsed);
|
|
start = mContentOffset;
|
|
aPos->mContentOffset = start;//in case next call fails we stop at this offset
|
|
}
|
|
}
|
|
else if (aPos->mDirection == eDirNext){
|
|
PRInt32 i;
|
|
aPos->mContentOffset = mContentLength;
|
|
for (i = aPos->mStartOffset +1 - mContentOffset; i <= mContentLength; i++){
|
|
if (ip[i] > ip[aPos->mStartOffset - mContentOffset]){
|
|
aPos->mContentOffset = i + mContentOffset;
|
|
break;
|
|
}
|
|
}
|
|
/* if (aStartOffset == 0 && (mState & TEXT_SKIP_LEADING_WS))
|
|
i--; //back up because we just skipped over some white space. why skip over the char also?
|
|
*/
|
|
if (i > mContentLength){
|
|
found = PR_FALSE;
|
|
GetNextInFlow(&frameUsed);
|
|
start = mContentOffset + mContentLength;
|
|
aPos->mContentOffset = start;//in case next call fails we stop at this offset
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
{
|
|
result = GetFrameFromDirection(aPos);
|
|
if (NS_SUCCEEDED(result) && aPos->mResultFrame && aPos->mResultFrame!= this)
|
|
result = aPos->mResultFrame->PeekOffset(aPresContext, aPos);
|
|
}
|
|
else
|
|
aPos->mResultContent = mContent;
|
|
}
|
|
break;
|
|
|
|
case eSelectWord:
|
|
{
|
|
// Transform text from content into renderable form
|
|
nsIDocument* doc;
|
|
result = mContent->GetDocument(doc);
|
|
if (NS_FAILED(result) || !doc) {
|
|
return result;
|
|
}
|
|
|
|
nsCOMPtr<nsILineBreaker> lb;
|
|
doc->GetLineBreaker(getter_AddRefs(lb));
|
|
nsCOMPtr<nsIWordBreaker> wb;
|
|
doc->GetWordBreaker(getter_AddRefs(wb));
|
|
NS_RELEASE(doc);
|
|
|
|
nsTextTransformer tx(lb, wb);
|
|
|
|
PrepareUnicodeText(tx, &indexBuffer, &paintBuffer, &textLength);
|
|
nsIFrame *frameUsed = nsnull;
|
|
PRBool keepSearching; //if you run out of chars before you hit the end of word, maybe next frame has more text to select?
|
|
PRInt32 start;
|
|
PRBool found = PR_FALSE;
|
|
PRBool isWhitespace;
|
|
PRInt32 wordLen, contentLen;
|
|
if (aPos->mDirection == eDirPrevious){
|
|
keepSearching = PR_TRUE;
|
|
tx.Init(this, mContent, aPos->mStartOffset);
|
|
aPos->mContentOffset = mContentOffset;//initialize
|
|
if (tx.GetPrevWord(PR_FALSE, &wordLen, &contentLen, &isWhitespace,
|
|
PR_FALSE) &&
|
|
(aPos->mStartOffset - contentLen >= mContentOffset) ){
|
|
if ((aPos->mEatingWS && !isWhitespace) || !aPos->mEatingWS){
|
|
aPos->mContentOffset = aPos->mStartOffset - contentLen;
|
|
//check for whitespace next.
|
|
if (isWhitespace && aPos->mContentOffset <= mContentOffset)
|
|
{
|
|
keepSearching = PR_FALSE;//reached the beginning of a word
|
|
aPos->mEatingWS = PR_FALSE;//if no real word then
|
|
}
|
|
else{
|
|
while (isWhitespace &&
|
|
tx.GetPrevWord(PR_FALSE, &wordLen, &contentLen,
|
|
&isWhitespace, PR_FALSE)){
|
|
aPos->mContentOffset -= contentLen;
|
|
aPos->mEatingWS = PR_TRUE;
|
|
}
|
|
aPos->mEatingWS = !isWhitespace;//nowhite space, just eat chars.
|
|
keepSearching = aPos->mContentOffset <= mContentOffset;
|
|
if (!isWhitespace){
|
|
if (!keepSearching)
|
|
found = PR_TRUE;
|
|
else
|
|
aPos->mEatingWS = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
aPos->mContentOffset = mContentLength + mContentOffset;
|
|
found = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
else if (aPos->mDirection == eDirNext) {
|
|
tx.Init(this, mContent, aPos->mStartOffset );
|
|
aPos->mContentOffset = mContentOffset + mContentLength;//initialize
|
|
|
|
#ifdef DEBUGWORDJUMP
|
|
printf("Next- Start=%d aPos->mEatingWS=%s\n", aPos->mStartOffset, aPos->mEatingWS ? "TRUE" : "FALSE");
|
|
#endif
|
|
|
|
if (tx.GetNextWord(PR_FALSE, &wordLen, &contentLen, &isWhitespace, PR_FALSE) &&
|
|
(aPos->mStartOffset + contentLen <= (mContentLength + mContentOffset))){
|
|
|
|
#ifdef DEBUGWORDJUMP
|
|
printf("GetNextWord return non null, wordLen%d, contentLen%d isWhitespace=%s\n",
|
|
wordLen, contentLen, isWhitespace ? "WS" : "NOT WS");
|
|
#endif
|
|
if ((aPos->mEatingWS && isWhitespace) || !aPos->mEatingWS){
|
|
aPos->mContentOffset = aPos->mStartOffset + contentLen;
|
|
//check for whitespace next.
|
|
keepSearching = PR_TRUE;
|
|
aPos->mEatingWS = PR_TRUE;
|
|
while (!isWhitespace && tx.GetNextWord(PR_FALSE, &wordLen, &contentLen, &isWhitespace, PR_FALSE)){
|
|
#ifdef DEBUGWORDJUMP
|
|
printf("2-GetNextWord return non null, wordLen%d, contentLen%d isWhitespace=%s\n",
|
|
wordLen, contentLen, isWhitespace ? "WS" : "NOT WS");
|
|
#endif
|
|
aPos->mContentOffset += contentLen;
|
|
keepSearching = PR_FALSE;
|
|
}
|
|
}
|
|
else if (aPos->mEatingWS)
|
|
aPos->mContentOffset = mContentOffset;
|
|
found = isWhitespace;
|
|
if (!isWhitespace){
|
|
aPos->mEatingWS = PR_FALSE;
|
|
}
|
|
else if (!keepSearching) //we have found the "whole" word so just looking for WS
|
|
aPos->mEatingWS = PR_TRUE;
|
|
}
|
|
GetNextInFlow(&frameUsed);
|
|
start = 0;
|
|
}
|
|
#ifdef DEBUGWORDJUMP
|
|
printf("aEatingWS = %s\n" , aPos->mEatingWS ? "TRUE" : "FALSE");
|
|
#endif
|
|
if (!found || (aPos->mContentOffset > (mContentOffset + mContentLength)) || (aPos->mContentOffset < mContentOffset))
|
|
{
|
|
aPos->mContentOffset = PR_MIN(aPos->mContentOffset, mContentOffset + mContentLength);
|
|
aPos->mContentOffset = PR_MAX(aPos->mContentOffset, mContentOffset);
|
|
result = GetFrameFromDirection(aPos);
|
|
if (NS_SUCCEEDED(result) && aPos->mResultFrame && aPos->mResultFrame!= this)
|
|
{
|
|
if (NS_SUCCEEDED(result = aPos->mResultFrame->PeekOffset(aPresContext, aPos)))
|
|
return NS_OK;//else fall through
|
|
}
|
|
else
|
|
aPos->mResultContent = mContent;
|
|
}
|
|
else
|
|
{
|
|
aPos->mResultContent = mContent;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
result = NS_ERROR_FAILURE; break;
|
|
}
|
|
|
|
aPos->mContentOffsetEnd = aPos->mContentOffset;
|
|
|
|
if (NS_FAILED(result)){
|
|
aPos->mResultContent = mContent;
|
|
//aPos->mContentOffset = aPos->mStartOffset;
|
|
result = NS_OK;
|
|
}
|
|
aPos->mResultFrame = this;
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::HandleMultiplePress(nsIPresContext& aPresContext,
|
|
nsGUIEvent* aEvent,
|
|
nsEventStatus& aEventStatus)
|
|
{
|
|
if (!DisplaySelection(aPresContext)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsMouseEvent *me = (nsMouseEvent *)aEvent;
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
|
|
nsresult rv = aPresContext.GetShell(getter_AddRefs(shell));
|
|
|
|
if (me->clickCount > 2)//triple clicking
|
|
{
|
|
nsCOMPtr<nsIPref> mPrefs;
|
|
PRInt32 prefInt = 0;
|
|
rv = nsServiceManager::GetService(kPrefCID,
|
|
nsIPref::GetIID(),
|
|
(nsISupports**)&mPrefs);
|
|
|
|
if (NS_SUCCEEDED(rv) && mPrefs)
|
|
{
|
|
if (NS_FAILED(mPrefs->GetIntPref("browser.triple_click_style", &prefInt)) || !prefInt)
|
|
return nsFrame::HandleMultiplePress(aPresContext, aEvent, aEventStatus);
|
|
}
|
|
//THIS NEXT CODE IS FOR PARAGRAPH
|
|
nsCOMPtr<nsIDOMNode> startNode;
|
|
nsCOMPtr<nsIDOMNode> endNode;
|
|
|
|
nsIFrame *currentFrame = this;
|
|
nsIFrame *prevFrame;
|
|
|
|
GetPrevInFlow(&prevFrame);
|
|
while(prevFrame){
|
|
currentFrame = prevFrame;
|
|
currentFrame->GetPrevInFlow(&prevFrame);
|
|
if (NS_FAILED(rv))
|
|
break;
|
|
}
|
|
prevFrame = currentFrame;
|
|
currentFrame = this;
|
|
nsIFrame *nextFrame;
|
|
GetNextInFlow(&nextFrame);
|
|
|
|
while (nextFrame){
|
|
currentFrame = nextFrame;
|
|
currentFrame->GetNextInFlow(&nextFrame);
|
|
if (NS_FAILED(rv))
|
|
break;
|
|
}
|
|
nextFrame = currentFrame;
|
|
nsCOMPtr<nsIContent> content;
|
|
if (prevFrame)
|
|
prevFrame->GetContent(getter_AddRefs(content));
|
|
|
|
startNode = do_QueryInterface(content,&rv);
|
|
if (NS_FAILED(rv) || !startNode)
|
|
return rv?rv:NS_ERROR_FAILURE;
|
|
|
|
nextFrame->GetContent(getter_AddRefs(content));
|
|
|
|
endNode = do_QueryInterface(content,&rv);
|
|
if (NS_FAILED(rv) || !endNode)
|
|
return rv?rv:NS_ERROR_FAILURE;
|
|
|
|
PRInt32 startOffset;
|
|
PRInt32 endOffset;
|
|
PRInt32 unusedOffset;
|
|
|
|
rv = prevFrame->GetOffsets(startOffset,unusedOffset);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
rv = nextFrame->GetOffsets(unusedOffset,endOffset);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
if (NS_SUCCEEDED(shell->GetSelection(SELECTION_NORMAL, getter_AddRefs(selection)))){
|
|
rv = selection->Collapse(startNode, startOffset);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
rv = selection->Extend(endNode, endOffset);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
}
|
|
else if (NS_SUCCEEDED(rv) && shell) {
|
|
nsCOMPtr<nsIRenderingContext> acx;
|
|
nsCOMPtr<nsIFocusTracker> tracker;
|
|
tracker = do_QueryInterface(shell, &rv);
|
|
if (NS_FAILED(rv) || !tracker)
|
|
return rv?rv:NS_ERROR_FAILURE;
|
|
|
|
rv = shell->CreateRenderingContext(this, getter_AddRefs(acx));
|
|
if (NS_SUCCEEDED(rv)){
|
|
PRInt32 startPos = 0;
|
|
PRInt32 contentOffsetEnd = 0;
|
|
nsCOMPtr<nsIContent> newContent;
|
|
//find which word needs to be selected! use peek offset one way then the other
|
|
nsCOMPtr<nsIDOMNode> startNode;
|
|
nsCOMPtr<nsIDOMNode> endNode;
|
|
if (NS_SUCCEEDED(GetPosition(aPresContext, aEvent->point,
|
|
getter_AddRefs(newContent), startPos, contentOffsetEnd))){
|
|
//peeks{}
|
|
nsPeekOffsetStruct startpos;
|
|
startpos.SetData(tracker,
|
|
0,
|
|
eSelectWord,
|
|
eDirPrevious,
|
|
startPos,
|
|
PR_FALSE,
|
|
PR_TRUE,
|
|
PR_FALSE);
|
|
rv = PeekOffset(&aPresContext, &startpos);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
nsPeekOffsetStruct endpos;
|
|
endpos.SetData(tracker,
|
|
0,
|
|
eSelectWord,
|
|
eDirNext,
|
|
startPos,
|
|
PR_FALSE,
|
|
PR_FALSE,
|
|
PR_FALSE);
|
|
rv = PeekOffset(&aPresContext, &endpos);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
endNode = do_QueryInterface(endpos.mResultContent,&rv);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
startNode = do_QueryInterface(startpos.mResultContent,&rv);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCOMPtr<nsIDOMSelection> selection;
|
|
if (NS_SUCCEEDED(shell->GetSelection(SELECTION_NORMAL, getter_AddRefs(selection)))){
|
|
rv = selection->Collapse(startNode,startpos.mContentOffset);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
rv = selection->Extend(endNode,endpos.mContentOffset);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
//no release
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::GetOffsets(PRInt32 &start, PRInt32 &end) const
|
|
{
|
|
start = mContentOffset;
|
|
end = mContentOffset+mContentLength;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::Reflow(nsIPresContext& aPresContext,
|
|
nsHTMLReflowMetrics& aMetrics,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
#ifdef NOISY_REFLOW
|
|
ListTag(stdout);
|
|
printf(": BeginReflow: availableSize=%d,%d\n",
|
|
aReflowState.availableWidth, aReflowState.availableHeight);
|
|
#endif
|
|
|
|
// XXX If there's no line layout, we shouldn't even have created this
|
|
// frame. This may happen if, for example, this is text inside a table
|
|
// but not inside a cell. For now, just don't reflow.
|
|
if (nsnull == aReflowState.mLineLayout) {
|
|
// XXX Add a method to aMetrics that does this; we do it several places
|
|
aMetrics.width = 0;
|
|
aMetrics.height = 0;
|
|
aMetrics.ascent = 0;
|
|
aMetrics.descent = 0;
|
|
if (nsnull != aMetrics.maxElementSize) {
|
|
aMetrics.maxElementSize->width = 0;
|
|
aMetrics.maxElementSize->height = 0;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
// Get starting offset into the content
|
|
PRInt32 startingOffset = 0;
|
|
nsIFrame* prevInFlow;
|
|
|
|
GetPrevInFlow(&prevInFlow);
|
|
if (nsnull != prevInFlow) {
|
|
nsTextFrame* prev = (nsTextFrame*)prevInFlow;
|
|
startingOffset = prev->mContentOffset + prev->mContentLength;
|
|
|
|
// If our starting offset doesn't agree with mContentOffset, then our
|
|
// prev-in-flow has changed the number of characters it maps and so we
|
|
// need to measure text and not try and optimize a resize reflow
|
|
if (startingOffset != mContentOffset) {
|
|
mState &= ~TEXT_OPTIMIZE_RESIZE;
|
|
}
|
|
}
|
|
|
|
nsLineLayout& lineLayout = *aReflowState.mLineLayout;
|
|
TextStyle ts(&aPresContext, *aReflowState.rendContext, mStyleContext);
|
|
|
|
// Clear out the reflow state flags in mState (without destroying
|
|
// the TEXT_BLINK_ON bit).
|
|
PRBool lastTimeWeSkippedLeadingWS = 0 != (mState & TEXT_SKIP_LEADING_WS);
|
|
mState &= ~TEXT_REFLOW_FLAGS;
|
|
if (ts.mFont->mFont.decorations & NS_STYLE_TEXT_DECORATION_BLINK) {
|
|
if (0 == (mState & TEXT_BLINK_ON)) {
|
|
mState |= TEXT_BLINK_ON;
|
|
gTextBlinker->AddFrame(&aPresContext, this);
|
|
}
|
|
}
|
|
else {
|
|
if (0 != (mState & TEXT_BLINK_ON)) {
|
|
mState &= ~TEXT_BLINK_ON;
|
|
gTextBlinker->RemoveFrame(this);
|
|
}
|
|
}
|
|
|
|
PRBool wrapping = (NS_STYLE_WHITESPACE_NORMAL == ts.mText->mWhiteSpace) ||
|
|
(NS_STYLE_WHITESPACE_MOZ_PRE_WRAP == ts.mText->mWhiteSpace);
|
|
PRBool firstLetterOK = lineLayout.GetFirstLetterStyleOK();
|
|
PRBool justDidFirstLetter = PR_FALSE;
|
|
|
|
// Set whitespace skip flag
|
|
PRBool skipWhitespace = PR_FALSE;
|
|
if (!ts.mPreformatted) {
|
|
if (lineLayout.GetEndsInWhiteSpace()) {
|
|
skipWhitespace = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
nscoord x = 0;
|
|
nscoord maxWidth = aReflowState.availableWidth;
|
|
nscoord maxWordWidth = 0;
|
|
nscoord prevMaxWordWidth = 0;
|
|
PRBool endsInWhitespace = PR_FALSE;
|
|
PRBool endsInNewline = PR_FALSE;
|
|
|
|
// Setup text transformer to transform this frames text content
|
|
nsCOMPtr<nsIDocument> doc;
|
|
mContent->GetDocument(*getter_AddRefs(doc));
|
|
nsCOMPtr<nsILineBreaker> lb;
|
|
doc->GetLineBreaker(getter_AddRefs(lb));
|
|
nsTextTransformer tx(lb, nsnull);
|
|
nsresult rv = tx.Init(this, mContent, startingOffset);
|
|
if (NS_OK != rv) {
|
|
return rv;
|
|
}
|
|
PRInt32 contentLength = tx.GetContentLength();
|
|
|
|
// Offset tracks how far along we are in the content
|
|
PRInt32 offset = startingOffset;
|
|
PRInt32 prevOffset = -1;
|
|
nscoord lastWordWidth = 0;
|
|
|
|
// Loop over words and whitespace in content and measure. Set inWord
|
|
// to true if we are part of a previous piece of text's word. This
|
|
// is only valid for one pass through the measuring loop.
|
|
PRBool inWord = lineLayout.InWord() ||
|
|
((nsnull != prevInFlow) &&
|
|
(((nsTextFrame*)prevInFlow)->mState & TEXT_FIRST_LETTER));
|
|
if (inWord) {
|
|
mState |= TEXT_IN_WORD;
|
|
}
|
|
mState &= ~TEXT_FIRST_LETTER;
|
|
|
|
PRInt32 column = lineLayout.GetColumn();
|
|
PRInt32 prevColumn = column;
|
|
mColumn = column;
|
|
PRBool breakable = lineLayout.LineIsBreakable();
|
|
PRInt32 lastWordLen;
|
|
PRUnichar* bp = nsnull;
|
|
PRBool measureText = PR_TRUE;
|
|
|
|
// We can avoid actually measuring the text if:
|
|
// - this is a resize reflow
|
|
// - we're not dirty (see ContentChanged() function)
|
|
// - we don't have a next in flow
|
|
// - the previous reflow successfully reflowed all text in the
|
|
// available space
|
|
// - we aren't computing the max element size (that requires we measure
|
|
// text)
|
|
// - skipping leading whitespace is the same as it was the last time
|
|
// - we're wrapping text and the available width is at least as big as our
|
|
// current frame width -or-
|
|
// we're not wrapping text and we're at the same column as before (this is
|
|
// an issue for preformatted tabbed text only)
|
|
if ((eReflowReason_Resize == aReflowState.reason) &&
|
|
(0 == (mState & NS_FRAME_IS_DIRTY))) {
|
|
|
|
nscoord realWidth = mRect.width;
|
|
if (mState & TEXT_TRIMMED_WS) {
|
|
realWidth += ts.mSpaceWidth;
|
|
}
|
|
if (!mNextInFlow &&
|
|
(mState & TEXT_OPTIMIZE_RESIZE) &&
|
|
!aMetrics.maxElementSize &&
|
|
(lastTimeWeSkippedLeadingWS == skipWhitespace) &&
|
|
((wrapping && (maxWidth >= realWidth)) ||
|
|
(!wrapping && (prevColumn == column)))) {
|
|
// We can skip measuring of text and use the value from our
|
|
// previous reflow
|
|
measureText = PR_FALSE;
|
|
#ifdef NOISY_REFLOW
|
|
printf(" => measureText=%s wrapping=%s skipWhitespace=%s",
|
|
measureText ? "yes" : "no",
|
|
wrapping ? "yes" : "no",
|
|
skipWhitespace ? "yes" : "no");
|
|
printf(" realWidth=%d maxWidth=%d\n",
|
|
realWidth, maxWidth);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
PRBool firstThing = PR_TRUE;
|
|
PRBool textStartsWithNBSP = PR_FALSE;
|
|
for (;;) {
|
|
// Get next word/whitespace from the text
|
|
PRBool isWhitespace;
|
|
PRInt32 wordLen, contentLen;
|
|
bp = tx.GetNextWord(inWord, &wordLen, &contentLen, &isWhitespace);
|
|
if (nsnull == bp) {
|
|
// Advance the offset in case we just consumed a bunch of
|
|
// discarded characters. Otherwise, if this is the first piece
|
|
// of content for this frame we will attempt to break-before it.
|
|
offset += contentLen;
|
|
break;
|
|
}
|
|
lastWordLen = wordLen;
|
|
inWord = PR_FALSE;
|
|
|
|
// Measure the word/whitespace
|
|
nscoord width;
|
|
if (isWhitespace) {
|
|
if ('\n' == bp[0]) {
|
|
// We hit a newline. Stop looping.
|
|
NS_WARN_IF_FALSE(ts.mPreformatted, "newline w/o ts.mPreformatted");
|
|
prevOffset = offset;
|
|
offset++;
|
|
endsInWhitespace = PR_TRUE;
|
|
endsInNewline = PR_TRUE;
|
|
break;
|
|
}
|
|
if (skipWhitespace) {
|
|
offset += contentLen;
|
|
skipWhitespace = PR_FALSE;
|
|
|
|
// Only set flag when we actually do skip whitespace
|
|
mState |= TEXT_SKIP_LEADING_WS;
|
|
firstThing = PR_FALSE;
|
|
continue;
|
|
}
|
|
if ('\t' == bp[0]) {
|
|
// Expand tabs to the proper width
|
|
wordLen = 8 - (7 & column);
|
|
width = ts.mSpaceWidth * wordLen;
|
|
}
|
|
else {
|
|
width = (wordLen * ts.mSpaceWidth) + ts.mWordSpacing;// XXX simplistic
|
|
}
|
|
breakable = PR_TRUE;
|
|
firstLetterOK = PR_FALSE;
|
|
} else {
|
|
if (firstLetterOK) {
|
|
// XXX need a lookup function here; plus look ahead using the
|
|
// text-runs
|
|
if ((bp[0] == '\'') || (bp[0] == '\"')) {
|
|
wordLen = 2;
|
|
contentLen = 2;
|
|
}
|
|
else {
|
|
wordLen = 1;
|
|
contentLen = 1;
|
|
}
|
|
justDidFirstLetter = PR_TRUE;
|
|
}
|
|
|
|
if (measureText) {
|
|
if (ts.mSmallCaps) {
|
|
MeasureSmallCapsText(aReflowState, ts, bp, wordLen, &width);
|
|
}
|
|
else {
|
|
aReflowState.rendContext->GetWidth(bp, wordLen, width);
|
|
if (ts.mLetterSpacing) {
|
|
width += ts.mLetterSpacing * wordLen;
|
|
}
|
|
}
|
|
lastWordWidth = width;
|
|
}
|
|
|
|
// See if the first thing in the section of text is a
|
|
// non-breaking space (html nbsp entity). If it is then make
|
|
// note of that fact for the line layout logic.
|
|
if (wrapping && firstThing && (bp[0] == ' ')) {
|
|
textStartsWithNBSP = PR_TRUE;
|
|
}
|
|
skipWhitespace = PR_FALSE;
|
|
}
|
|
firstThing = PR_FALSE;
|
|
|
|
// See if there is room for the text
|
|
if (measureText) {
|
|
if ((0 != x) && wrapping && (x + width > maxWidth)) {
|
|
// The text will not fit.
|
|
#ifdef NOISY_REFLOW
|
|
ListTag(stdout);
|
|
printf(": won't fit (at offset=%d) x=%d width=%d maxWidth=%d\n",
|
|
offset, x, width, maxWidth);
|
|
#endif
|
|
break;
|
|
}
|
|
x += width;
|
|
prevMaxWordWidth = maxWordWidth;
|
|
if (width > maxWordWidth) {
|
|
maxWordWidth = width;
|
|
}
|
|
}
|
|
|
|
prevColumn = column;
|
|
column += wordLen;
|
|
endsInWhitespace = isWhitespace;
|
|
prevOffset = offset;
|
|
offset += contentLen;
|
|
if (!isWhitespace && justDidFirstLetter) {
|
|
// Time to stop
|
|
break;
|
|
}
|
|
}
|
|
if (tx.HasMultibyte()) {
|
|
mState |= TEXT_HAS_MULTIBYTE;
|
|
}
|
|
|
|
// If we didn't actually measure any text, then make sure it looks
|
|
// like we did
|
|
if (!measureText) {
|
|
x = mRect.width;
|
|
if (mState & TEXT_TRIMMED_WS) {
|
|
// Add back in the width of a space since it was trimmed away last time
|
|
x += ts.mSpaceWidth;
|
|
}
|
|
}
|
|
mState &= ~TEXT_TRIMMED_WS;
|
|
|
|
// Post processing logic to deal with word-breaking that spans
|
|
// multiple frames.
|
|
if (lineLayout.InWord()) {
|
|
// We are already in a word. This means a text frame prior to this
|
|
// one had a fragment of a nbword that is joined with this
|
|
// frame. It also means that the prior frame already found this
|
|
// frame and recorded it as part of the word.
|
|
#ifdef DEBUG_WORD_WRAPPING
|
|
ListTag(stdout);
|
|
printf(": in word; skipping\n");
|
|
#endif
|
|
lineLayout.ForgetWordFrame(this);
|
|
}
|
|
|
|
if (!lineLayout.InWord()) {
|
|
// There is no currently active word. This frame may contain the
|
|
// start of one.
|
|
if (endsInWhitespace) {
|
|
// Nope, this frame doesn't start a word.
|
|
lineLayout.ForgetWordFrames();
|
|
}
|
|
else if ((offset == contentLength) && (prevOffset >= 0)) {
|
|
// Force breakable to false when we aren't wrapping (this
|
|
// guarantees that the combined word will stay together)
|
|
if (!wrapping) {
|
|
breakable = PR_FALSE;
|
|
}
|
|
|
|
// This frame does start a word. However, there is no point
|
|
// messing around with it if we are already out of room. We
|
|
// always have room if we are not breakable.
|
|
if (!breakable || (x <= maxWidth)) {
|
|
// There is room for this word fragment. It's possible that
|
|
// this word fragment is the end of the text-run. If it's not
|
|
// then we continue with the look-ahead processing.
|
|
nsIFrame* next = lineLayout.FindNextText(this);
|
|
if (nsnull != next) {
|
|
#ifdef DEBUG_WORD_WRAPPING
|
|
nsAutoString tmp(tx.GetWordBuffer(), lastWordLen);
|
|
ListTag(stdout);
|
|
printf(": start='");
|
|
fputs(tmp, stdout);
|
|
printf("' lastWordLen=%d baseWidth=%d prevOffset=%d offset=%d next=",
|
|
lastWordLen, lastWordWidth, prevOffset, offset);
|
|
ListTag(stdout, next);
|
|
printf("\n");
|
|
#endif
|
|
PRUnichar* pWordBuf = tx.GetWordBuffer();
|
|
PRUint32 wordBufLen = tx.GetWordBufferLength();
|
|
|
|
// Look ahead in the text-run and compute the final word
|
|
// width, taking into account any style changes and stopping
|
|
// at the first breakable point.
|
|
if (!measureText) {
|
|
// We didn't measure any text so we don't know lastWordWidth.
|
|
// We have to compute it now
|
|
if (prevOffset == startingOffset) {
|
|
// There's only one word, so we don't have to measure after all
|
|
lastWordWidth = x;
|
|
}
|
|
else if (ts.mSmallCaps) {
|
|
MeasureSmallCapsText(aReflowState, ts, tx.GetWordBuffer(),
|
|
lastWordLen, &lastWordWidth);
|
|
}
|
|
else {
|
|
aReflowState.rendContext->GetWidth(tx.GetWordBuffer(),
|
|
lastWordLen, lastWordWidth);
|
|
if (ts.mLetterSpacing) {
|
|
lastWordWidth += ts.mLetterSpacing * lastWordLen;
|
|
}
|
|
}
|
|
}
|
|
nscoord wordWidth = ComputeTotalWordWidth(&aPresContext, lb,
|
|
lineLayout,
|
|
aReflowState, next,
|
|
lastWordWidth,
|
|
pWordBuf,
|
|
lastWordLen,
|
|
wordBufLen);
|
|
if (!breakable || (x - lastWordWidth + wordWidth <= maxWidth)) {
|
|
// The fully joined word has fit. Account for the joined
|
|
// word's affect on the max-element-size here (since the
|
|
// joined word is large than it's pieces, the right effect
|
|
// will occur from the perspective of the container
|
|
// reflowing this frame)
|
|
if (wordWidth > maxWordWidth) {
|
|
maxWordWidth = wordWidth;
|
|
}
|
|
}
|
|
else {
|
|
#ifdef NOISY_REFLOW
|
|
ListTag(stdout);
|
|
printf(": look-ahead (didn't fit) x=%d wordWidth=%d lastWordWidth=%d\n",
|
|
x, wordWidth, lastWordWidth);
|
|
#endif
|
|
// The fully joined word won't fit. We need to reduce our
|
|
// size by the lastWordWidth.
|
|
x -= lastWordWidth;
|
|
maxWordWidth = prevMaxWordWidth;
|
|
offset = prevOffset;
|
|
column = prevColumn;
|
|
#ifdef DEBUG_WORD_WRAPPING
|
|
printf(" x=%d maxWordWidth=%d len=%d\n", x, maxWordWidth,
|
|
offset - startingOffset);
|
|
#endif
|
|
lineLayout.ForgetWordFrames();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
lineLayout.SetColumn(column);
|
|
|
|
// Inform line layout of how this piece of text ends in whitespace
|
|
// (only text objects do this). Note that if x is zero then this
|
|
// text object collapsed into nothingness which means it shouldn't
|
|
// effect the current setting of the ends-in-whitespace flag.
|
|
lineLayout.SetUnderstandsWhiteSpace(PR_TRUE);
|
|
lineLayout.SetTextStartsWithNBSP(textStartsWithNBSP);
|
|
if (0 != x) {
|
|
lineLayout.SetEndsInWhiteSpace(endsInWhitespace);
|
|
}
|
|
if (justDidFirstLetter) {
|
|
lineLayout.SetFirstLetterFrame(this);
|
|
lineLayout.SetFirstLetterStyleOK(PR_FALSE);
|
|
mState |= TEXT_FIRST_LETTER;
|
|
}
|
|
|
|
// Setup metrics for caller; store final max-element-size information
|
|
aMetrics.width = x;
|
|
if ((0 == x) && !ts.mPreformatted) {
|
|
aMetrics.height = 0;
|
|
aMetrics.ascent = 0;
|
|
aMetrics.descent = 0;
|
|
}
|
|
else {
|
|
ts.mNormalFont->GetHeight(aMetrics.height);
|
|
ts.mNormalFont->GetMaxAscent(aMetrics.ascent);
|
|
ts.mNormalFont->GetMaxDescent(aMetrics.descent);
|
|
}
|
|
if (!wrapping) {
|
|
maxWordWidth = x;
|
|
}
|
|
if (nsnull != aMetrics.maxElementSize) {
|
|
aMetrics.maxElementSize->width = maxWordWidth;
|
|
aMetrics.maxElementSize->height = aMetrics.height;
|
|
}
|
|
|
|
// Set content offset and length
|
|
mContentOffset = startingOffset;
|
|
mContentLength = offset - startingOffset;
|
|
|
|
// If it's an incremental reflow command, then invalidate our existing
|
|
// bounds.
|
|
// XXX We need a finer granularity than this, but it isn't clear what
|
|
// has actually changed...
|
|
if (eReflowReason_Incremental == aReflowState.reason) {
|
|
Invalidate(&aPresContext, mRect);
|
|
}
|
|
|
|
nsReflowStatus rs = (offset == contentLength)
|
|
? NS_FRAME_COMPLETE
|
|
: NS_FRAME_NOT_COMPLETE;
|
|
if (endsInNewline) {
|
|
rs = NS_INLINE_LINE_BREAK_AFTER(rs);
|
|
}
|
|
else if ((offset != contentLength) && (offset == startingOffset)) {
|
|
// Break-before a long-word that doesn't fit here
|
|
rs = NS_INLINE_LINE_BREAK_BEFORE();
|
|
}
|
|
aStatus = rs;
|
|
|
|
// For future resize reflows we would like to avoid measuring the text.
|
|
// We can only do this if after this reflow we're:
|
|
// - complete. If we're not complete then our desired width doesn't
|
|
// represent our total size
|
|
// - we fit in the available space. We may be complete, but if we
|
|
// return a larger desired width than is available we may get pushed
|
|
// and our frame width won't get set
|
|
if ((NS_FRAME_COMPLETE == aStatus) && (aMetrics.width <= maxWidth)) {
|
|
mState |= TEXT_OPTIMIZE_RESIZE;
|
|
mRect.width = aMetrics.width;
|
|
}
|
|
else {
|
|
mState &= ~TEXT_OPTIMIZE_RESIZE;
|
|
}
|
|
|
|
#ifdef NOISY_REFLOW
|
|
ListTag(stdout);
|
|
printf(": desiredSize=%d,%d(a=%d/d=%d) status=%x\n",
|
|
aMetrics.width, aMetrics.height, aMetrics.ascent, aMetrics.descent,
|
|
aStatus);
|
|
#endif
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::AdjustFrameSize(nscoord aExtraSpace, nscoord& aUsedSpace)
|
|
{
|
|
aUsedSpace = 0;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::TrimTrailingWhiteSpace(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRC,
|
|
nscoord& aDeltaWidth)
|
|
{
|
|
nscoord dw = 0;
|
|
const nsStyleText* textStyle = (const nsStyleText*)
|
|
mStyleContext->GetStyleData(eStyleStruct_Text);
|
|
if (mContentLength &&
|
|
(NS_STYLE_WHITESPACE_PRE != textStyle->mWhiteSpace) &&
|
|
(NS_STYLE_WHITESPACE_MOZ_PRE_WRAP != textStyle->mWhiteSpace)) {
|
|
|
|
// Get the text fragments that make up our content
|
|
nsCOMPtr<nsITextContent> tc = do_QueryInterface(mContent);
|
|
if (tc) {
|
|
const nsTextFragment* frag;
|
|
tc->GetText(&frag);
|
|
PRInt32 lastCharIndex = mContentOffset + mContentLength - 1;
|
|
if (lastCharIndex < frag->GetLength()) {
|
|
PRUnichar ch = frag->CharAt(lastCharIndex);
|
|
if (XP_IS_SPACE(ch)) {
|
|
// Get font metrics for a space so we can adjust the width by the
|
|
// right amount.
|
|
const nsStyleFont* fontStyle = (const nsStyleFont*)
|
|
mStyleContext->GetStyleData(eStyleStruct_Font);
|
|
aRC.SetFont(fontStyle->mFont);
|
|
aRC.GetWidth(' ', dw);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#ifdef NOISY_TRIM
|
|
ListTag(stdout);
|
|
printf(": trim => %d\n", dw);
|
|
#endif
|
|
if (0 != dw) {
|
|
mState |= TEXT_TRIMMED_WS;
|
|
}
|
|
else {
|
|
mState &= ~TEXT_TRIMMED_WS;
|
|
}
|
|
aDeltaWidth = dw;
|
|
return NS_OK;
|
|
}
|
|
|
|
static void
|
|
RevertSpacesToNBSP(PRUnichar* aBuffer, PRInt32 aWordLen)
|
|
{
|
|
PRUnichar* end = aBuffer + aWordLen;
|
|
for (; aBuffer < end; aBuffer++) {
|
|
PRUnichar ch = *aBuffer;
|
|
if (ch == ' ') {
|
|
*aBuffer = CH_NBSP;
|
|
}
|
|
}
|
|
}
|
|
|
|
nscoord
|
|
nsTextFrame::ComputeTotalWordWidth(nsIPresContext* aPresContext,
|
|
nsILineBreaker* aLineBreaker,
|
|
nsLineLayout& aLineLayout,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsIFrame* aNextFrame,
|
|
nscoord aBaseWidth,
|
|
PRUnichar* aWordBuf,
|
|
PRUint32 aWordLen,
|
|
PRUint32 aWordBufSize)
|
|
{
|
|
// Before we get going, convert any spaces in the current word back
|
|
// to nbsp's. This keeps the breaking logic happy.
|
|
RevertSpacesToNBSP(aWordBuf, (PRInt32) aWordLen);
|
|
|
|
nscoord addedWidth = 0;
|
|
while (nsnull != aNextFrame) {
|
|
nsIContent* content = nsnull;
|
|
if ((NS_OK == aNextFrame->GetContent(&content)) && (nsnull != content)) {
|
|
#ifdef DEBUG_WORD_WRAPPING
|
|
printf(" next textRun=");
|
|
nsFrame::ListTag(stdout, aNextFrame);
|
|
printf("\n");
|
|
#endif
|
|
nsITextContent* tc;
|
|
if (NS_OK == content->QueryInterface(kITextContentIID, (void**)&tc)) {
|
|
PRBool stop = PR_FALSE;
|
|
nscoord moreWidth = ComputeWordFragmentWidth(aPresContext,
|
|
aLineBreaker,
|
|
aLineLayout,
|
|
aReflowState,
|
|
aNextFrame, content, tc,
|
|
&stop,
|
|
aWordBuf,
|
|
aWordLen,
|
|
aWordBufSize);
|
|
NS_RELEASE(tc);
|
|
NS_RELEASE(content);
|
|
addedWidth += moreWidth;
|
|
#ifdef DEBUG_WORD_WRAPPING
|
|
printf(" moreWidth=%d (addedWidth=%d) stop=%c\n", moreWidth,
|
|
addedWidth, stop?'T':'F');
|
|
#endif
|
|
if (stop) {
|
|
goto done;
|
|
}
|
|
}
|
|
else {
|
|
// It claimed it was text but it doesn't implement the
|
|
// nsITextContent API. Therefore I don't know what to do with it
|
|
// and can't look inside it. Oh well.
|
|
NS_RELEASE(content);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
// Move on to the next frame in the text-run
|
|
aNextFrame = aLineLayout.FindNextText(aNextFrame);
|
|
}
|
|
|
|
done:;
|
|
#ifdef DEBUG_WORD_WRAPPING
|
|
printf(" total word width=%d\n", aBaseWidth + addedWidth);
|
|
#endif
|
|
return aBaseWidth + addedWidth;
|
|
}
|
|
|
|
nscoord
|
|
nsTextFrame::ComputeWordFragmentWidth(nsIPresContext* aPresContext,
|
|
nsILineBreaker* aLineBreaker,
|
|
nsLineLayout& aLineLayout,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsIFrame* aTextFrame,
|
|
nsIContent* aContent,
|
|
nsITextContent* aText,
|
|
PRBool* aStop,
|
|
const PRUnichar* aWordBuf,
|
|
PRUint32& aRunningWordLen,
|
|
PRUint32 aWordBufSize)
|
|
{
|
|
nsTextTransformer tx(aLineBreaker, nsnull);
|
|
tx.Init(aTextFrame, aContent, 0);
|
|
PRBool isWhitespace;
|
|
PRInt32 wordLen, contentLen;
|
|
PRUnichar* bp = tx.GetNextWord(PR_TRUE, &wordLen, &contentLen,
|
|
&isWhitespace);
|
|
if (!bp || isWhitespace) {
|
|
// Don't bother measuring nothing
|
|
*aStop = PR_TRUE;
|
|
return 0;
|
|
}
|
|
*aStop = contentLen < tx.GetContentLength();
|
|
|
|
// Convert any spaces in the current word back to nbsp's. This keeps
|
|
// the breaking logic happy.
|
|
RevertSpacesToNBSP(bp, wordLen);
|
|
|
|
// We need to adjust the length by look at the two pieces together
|
|
// XXX this should grow aWordBuf if necessary
|
|
PRUint32 copylen = sizeof(PRUnichar) *
|
|
( ((wordLen + aRunningWordLen) > aWordBufSize)
|
|
? (aWordBufSize - aRunningWordLen)
|
|
: wordLen
|
|
);
|
|
if((aWordBufSize > aRunningWordLen) && (copylen > 0))
|
|
{
|
|
nsCRT::memcpy((void*)&(aWordBuf[aRunningWordLen]), bp, copylen);
|
|
|
|
PRUint32 breakP=0;
|
|
PRBool needMore=PR_TRUE;
|
|
nsresult lres = aLineBreaker->Next(aWordBuf, aRunningWordLen+wordLen,
|
|
0, &breakP, &needMore);
|
|
if(NS_SUCCEEDED(lres))
|
|
{
|
|
// when we look at two pieces text together, we might decide to break
|
|
// eariler than if we only look at the 2nd pieces of text
|
|
if(!needMore && (breakP < (aRunningWordLen + wordLen)))
|
|
{
|
|
wordLen = breakP - aRunningWordLen;
|
|
if(wordLen < 0)
|
|
wordLen = 0;
|
|
*aStop = PR_TRUE;
|
|
}
|
|
}
|
|
|
|
// if we don't stop, we need to extend the buf so the next one can
|
|
// see this part otherwise, it does not matter since we will stop
|
|
// anyway
|
|
if(! *aStop)
|
|
aRunningWordLen += wordLen;
|
|
}
|
|
if((*aStop) && (wordLen == 0))
|
|
return 0;
|
|
|
|
nsCOMPtr<nsIStyleContext> sc;
|
|
aTextFrame->GetStyleContext(getter_AddRefs(sc));
|
|
if (sc) {
|
|
// Measure the piece of text. Note that we have to select the
|
|
// appropriate font into the text first because the rendering
|
|
// context has our font in it, not the font that aText is using.
|
|
nscoord width;
|
|
nsIRenderingContext& rc = *aReflowState.rendContext;
|
|
nsCOMPtr<nsIFontMetrics> oldfm;
|
|
rc.GetFontMetrics(*getter_AddRefs(oldfm));
|
|
|
|
TextStyle ts(&aLineLayout.mPresContext, rc, sc);
|
|
if (ts.mSmallCaps) {
|
|
MeasureSmallCapsText(aReflowState, ts, bp, wordLen, &width);
|
|
}
|
|
else {
|
|
rc.GetWidth(bp, wordLen, width);
|
|
}
|
|
rc.SetFont(oldfm);
|
|
|
|
#ifdef DEBUG_WORD_WRAPPING
|
|
nsAutoString tmp(bp, wordLen);
|
|
printf(" fragment='");
|
|
fputs(tmp, stdout);
|
|
printf("' width=%d [wordLen=%d contentLen=%d ContentLength=%d]\n",
|
|
width, wordLen, contentLen, tx.GetContentLength());
|
|
#endif
|
|
|
|
// Remember the text frame for later so that we don't bother doing
|
|
// the word look ahead.
|
|
aLineLayout.RecordWordFrame(aTextFrame);
|
|
return width;
|
|
}
|
|
|
|
*aStop = PR_TRUE;
|
|
return 0;
|
|
}
|
|
|
|
// Translate the mapped content into a string that's printable
|
|
void
|
|
nsTextFrame::ToCString(nsString& aBuf, PRInt32* aTotalContentLength) const
|
|
{
|
|
const nsTextFragment* frag;
|
|
|
|
// Get the frames text content
|
|
nsITextContent* tc;
|
|
if (NS_OK != mContent->QueryInterface(kITextContentIID, (void**) &tc)) {
|
|
return;
|
|
}
|
|
tc->GetText(&frag);
|
|
NS_RELEASE(tc);
|
|
|
|
// Compute the total length of the text content.
|
|
*aTotalContentLength = frag->GetLength();
|
|
|
|
// Set current fragment and current fragment offset
|
|
if (0 == mContentLength) {
|
|
return;
|
|
}
|
|
PRInt32 fragOffset = mContentOffset;
|
|
PRInt32 n = fragOffset + mContentLength;
|
|
while (fragOffset < n) {
|
|
PRUnichar ch = frag->CharAt(fragOffset++);
|
|
if (ch == '\r') {
|
|
aBuf.Append("\\r");
|
|
} else if (ch == '\n') {
|
|
aBuf.Append("\\n");
|
|
} else if (ch == '\t') {
|
|
aBuf.Append("\\t");
|
|
} else if ((ch < ' ') || (ch >= 127)) {
|
|
aBuf.Append("\\0");
|
|
aBuf.Append((PRInt32)ch, 8);
|
|
} else {
|
|
aBuf.Append(ch);
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::GetFrameType(nsIAtom** aType) const
|
|
{
|
|
NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
|
|
*aType = nsLayoutAtoms::textFrame;
|
|
NS_ADDREF(*aType);
|
|
return NS_OK;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHODIMP
|
|
nsTextFrame::SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const
|
|
{
|
|
if (!aResult) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
*aResult = sizeof(*this);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::GetFrameName(nsString& aResult) const
|
|
{
|
|
return MakeFrameName("Text", aResult);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsTextFrame::List(nsIPresContext* aPresContext, FILE* out, PRInt32 aIndent) const
|
|
{
|
|
// Output the tag
|
|
IndentBy(out, aIndent);
|
|
ListTag(out);
|
|
nsIView* view;
|
|
GetView(aPresContext, &view);
|
|
if (nsnull != view) {
|
|
fprintf(out, " [view=%p]", view);
|
|
}
|
|
|
|
PRInt32 totalContentLength;
|
|
nsAutoString tmp;
|
|
ToCString(tmp, &totalContentLength);
|
|
|
|
// Output the first/last content offset and prev/next in flow info
|
|
PRBool isComplete = (mContentOffset + mContentLength) == totalContentLength;
|
|
fprintf(out, "[%d,%d,%c] ",
|
|
mContentOffset, mContentLength,
|
|
isComplete ? 'T':'F');
|
|
|
|
if (nsnull != mNextSibling) {
|
|
fprintf(out, " next=%p", mNextSibling);
|
|
}
|
|
nsIFrame* prevInFlow;
|
|
GetPrevInFlow(&prevInFlow);
|
|
if (nsnull != prevInFlow) {
|
|
fprintf(out, " prev-in-flow=%p", prevInFlow);
|
|
}
|
|
if (nsnull != mNextInFlow) {
|
|
fprintf(out, " next-in-flow=%p", mNextInFlow);
|
|
}
|
|
|
|
// Output the rect and state
|
|
fprintf(out, " {%d,%d,%d,%d}", mRect.x, mRect.y, mRect.width, mRect.height);
|
|
if (0 != mState) {
|
|
fprintf(out, " [state=%08x]", mState);
|
|
}
|
|
fprintf(out, " sc=%p<\n", mStyleContext);
|
|
|
|
// Output the text
|
|
aIndent++;
|
|
|
|
IndentBy(out, aIndent);
|
|
fputs("\"", out);
|
|
fputs(tmp, out);
|
|
fputs("\"\n", out);
|
|
|
|
aIndent--;
|
|
IndentBy(out, aIndent);
|
|
fputs(">\n", out);
|
|
|
|
return NS_OK;
|
|
}
|
|
#endif
|