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Fix wrong text eliding in some corner cases.

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BUG: 337104
FIXED-IN: 4.14.0
REVIEW: 119546
This commit is contained in:
Emmanuel Pescosta 2014-08-04 19:43:07 +02:00
parent a31b836479
commit 18a976c435
1 changed files with 17 additions and 7 deletions
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24
src/kitemviews/kstandarditemlistwidget.cpp
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@ -1136,14 +1136,24 @@ void KStandardItemListWidget::updateIconsLayoutTextCache()
const int textLength = line.textStart() + line.textLength();
if (textLength < nameText.length()) {
// Elide the last line of the text
QString lastTextLine = nameText.mid(line.textStart());
lastTextLine = m_customizedFontMetrics.elidedText(lastTextLine,
Qt::ElideRight,
maxWidth);
const QString elidedText = nameText.left(line.textStart()) + lastTextLine;
nameTextInfo->staticText.setText(elidedText);
qreal elidingWidth = maxWidth;
qreal lastLineWidth;
do {
QString lastTextLine = nameText.mid(line.textStart());
lastTextLine = m_customizedFontMetrics.elidedText(lastTextLine,
Qt::ElideRight,
elidingWidth);
const QString elidedText = nameText.left(line.textStart()) + lastTextLine;
nameTextInfo->staticText.setText(elidedText);
lastLineWidth = m_customizedFontMetrics.boundingRect(lastTextLine).width();
// We do the text eliding in a loop with decreasing width (1 px / iteration)
// to avoid problems related to different width calculation code paths
// within Qt. (see bug 337104)
elidingWidth -= 1.0;
} while (lastLineWidth > maxWidth);
const qreal lastLineWidth = m_customizedFontMetrics.boundingRect(lastTextLine).width();
nameWidth = qMax(nameWidth, lastLineWidth);
}
break;