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Fix QTextFormat::FullWidthSelection for right-to-left text layouts 

Using the QTextFormat::FullWidthSelection property to select a line
would previously not take into account right-to-left text layouts.

With this patch, the whole line should now be drawn correctly for both
left-to-right, and right-to-left layouts.

Pick-to: 6.2 6.1 5.15
Fixes: QTBUG-91125
Change-Id: Ide7b340cd7b4060e7c00e55e0011a86ffdfb5eb4
Done-with: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: Dmitry Shachnev <mitya57@gmail.com>
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
bb10
Oliver Eftevaag 2021-07-09 13:26:31 +02:00
parent 408656c6f9
commit a7894855f2
1 changed files with 11 additions and 4 deletions
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15
src/gui/text/qtextlayout.cpp
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@ -1129,10 +1129,17 @@ void QTextLayout::draw(QPainter *p, const QPointF &pos, const QList<FormatRange>
QRectF fullLineRect(tl.rect());
fullLineRect.translate(position);
fullLineRect.setRight(QFIXED_MAX);
if (!selectionEndInLine)
region.addRect(clipIfValid(QRectF(lineRect.topRight(), fullLineRect.bottomRight()), clip));
if (!selectionStartInLine)
region.addRect(clipIfValid(QRectF(fullLineRect.topLeft(), lineRect.bottomLeft()), clip));
const bool rightToLeft = d->isRightToLeft();
if (!selectionEndInLine) {
region.addRect(clipIfValid(rightToLeft ? QRectF(fullLineRect.topLeft(), lineRect.bottomLeft())
: QRectF(lineRect.topRight(), fullLineRect.bottomRight()), clip));
}
if (!selectionStartInLine) {
region.addRect(clipIfValid(rightToLeft ? QRectF(lineRect.topRight(), fullLineRect.bottomRight())
: QRectF(fullLineRect.topLeft(), lineRect.bottomLeft()), clip));
}
} else if (!selectionEndInLine
&& isLastLineInBlock
&&!(d->option.flags() & QTextOption::ShowLineAndParagraphSeparators)) {