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Fix for 183653: While in CDT perspective CTRL^X of 1000 lines out of a 1500 line source file causes error

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Anton Leherbauer 2007-04-25 08:27:30 +00:00
parent b913e933a9
commit 8fde3d9842
1 changed files with 5 additions and 2 deletions
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7
core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/LineBackgroundPainter.java
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@ -400,8 +400,11 @@ public class LineBackgroundPainter implements IPainter, LineBackgroundListener {
private int getTopIndexStartOffset() {
if (fTextWidget != null) {
int top= fTextWidget.getTopIndex();
top= fTextWidget.getOffsetAtLine(top);
return getDocumentOffset(top);
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183653
top= fTextWidget.getOffsetAtLine(Math.min(fTextWidget.getLineCount() - 1, top));
if (top >= 0) {
return getDocumentOffset(top);
}
}
return -1;
}