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crash fix

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the block might be invalid
This commit is contained in:
Thomas Hartmann
2010-07-14 10:41:57 +02:00
parent db8122ee30
commit 874a185f53
1 changed files with 7 additions and 4 deletions
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11
src/plugins/texteditor/basetexteditor.cpp
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@@ -4290,11 +4290,14 @@ QRegion BaseTextEditor::translatedLineRegion(int lineStart, int lineEnd) const
for (int i = lineStart ; i <= lineEnd; i++) {
QTextBlock block = document()->findBlockByNumber(i);
QPoint topLeft = blockBoundingGeometry(block).translated(contentOffset()).topLeft().toPoint();
QTextLayout *layout = block.layout();
for (int i = 0; i < layout->lineCount();i++) {
QTextLine line = layout->lineAt(i);
region += line.naturalTextRect().translated(topLeft).toRect();
if (block.isValid()) {
QTextLayout *layout = block.layout();
for (int i = 0; i < layout->lineCount();i++) {
QTextLine line = layout->lineAt(i);
region += line.naturalTextRect().translated(topLeft).toRect();
}
}
}
return region;