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BaseTextEditor: adding translatedLineRegion()

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this function returns the bound region for the text in
lineStart to lineEnd

We use this to position the context pane
This commit is contained in:
Thomas Hartmann
2010-07-09 16:09:08 +02:00
parent 97eb3e1304
commit 208b3746a6
2 changed files with 18 additions and 0 deletions
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16
src/plugins/texteditor/basetexteditor.cpp
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@@ -4270,6 +4270,22 @@ int BaseTextEditor::verticalBlockSelection() const
return qAbs(b.positionInBlock() - e.positionInBlock()) + d->m_blockSelectionExtraX;
}
QRegion BaseTextEditor::translatedLineRegion(int lineStart, int lineEnd) const
{
QRegion region;
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();
}
}
return region;
}
void BaseTextEditor::setFindScope(const QTextCursor &start, const QTextCursor &end, int verticalBlockSelection)
{
if (start != d->m_findScopeStart || end != d->m_findScopeEnd) {