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Optimization so that moving a collapsed selection does not cause the frame to redraw.

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git-svn-id: svn://10.0.0.236/trunk@42782 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
sfraser%netscape.com
1999-08-09 19:15:04 +00:00
parent bcff9ee1b5
commit 6a65d2857f
2 changed files with 10 additions and 14 deletions
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12
mozilla/layout/generic/nsTextFrame.cpp
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@@ -995,7 +995,7 @@ nsTextFrame::PaintUnicodeText(nsIPresContext* aPresContext,
aTextStyle, dx, dy, width, text, details,0,(PRUint32)textLength);
sdptr = details;
if (details){
while(sdptr = details->mNext){
while ((sdptr = details->mNext) != nsnull) {
delete details;
details = sdptr;
}
@@ -1448,7 +1448,7 @@ nsTextFrame::PaintTextSlowly(nsIPresContext* aPresContext,
PRUint32(textLength), dx, dy, width, details);
sdptr = details;
if (details){
while(sdptr = details->mNext){
while ((sdptr = details->mNext) != nsnull) {
delete details;
details = sdptr;
}
@@ -1564,7 +1564,7 @@ nsTextFrame::PaintAsciiText(nsIPresContext* aPresContext,
aTextStyle, dx, dy, width, rawPaintBuf, details,0,textLength);
sdptr = details;
if (details){
while(sdptr = details->mNext){
while ((sdptr = details->mNext) != nsnull) {
delete details;
details = sdptr;
}
@@ -1826,11 +1826,9 @@ nsTextFrame::SetSelected(nsIDOMRange *aRange,PRBool aSelected, nsSpread aSpread)
if ((mContentOffset + mContentLength) >= startOffset){
found = PR_TRUE;
if (thisNode == endNode){ //special case
/*#ifndef SHOW_SELECTION_CURSOR
if (aSelected && (endOffset == startOffset)) //no need to redraw since drawing takes place with cursor
if (endOffset == startOffset) //no need to redraw since drawing takes place with cursor
found = PR_FALSE;
#endif
*/
if (mContentOffset > endOffset)
found = PR_FALSE;
}