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Introduce getElidedText() in suggestionlistdelegate.cpp

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Helper function to retrieve text content that can fit inside a length given a custom "(...)" elide.
This commit is contained in:
ShaopengLin 2024-11-03 01:48:04 -04:00 committed by Kelson
parent 37c1c38824
commit 4beac3375d
1 changed files with 21 additions and 7 deletions
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28
src/suggestionlistdelegate.cpp
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@ -44,6 +44,26 @@ void SuggestionListDelegate::paintIcon(QPainter *p,
p->drawPixmap(pixmapRect, pixmap);
}
/**
* @brief Get the elided text using font that can fit inside the length when
* appended with the custom elide text "(...)".
*
* @param font
* @param textRect
* @param text
* @return QString the elided text without any marker.
*/
QString getElidedText(const QFont& font, int length, const QString& text)
{
const QFontMetrics metrics(font);
const int elideMarkerLength = metrics.tightBoundingRect("(...)").width();
const int textLength = length - elideMarkerLength;
QString elidedText = metrics.elidedText(text, Qt::ElideRight, textLength);
if (elidedText != text)
return elidedText.chopped(1);
return text;
}
void SuggestionListDelegate::paintText(QPainter *p,
const QStyleOptionViewItem &opt,
const QModelIndex &index) const
@ -70,15 +90,9 @@ void SuggestionListDelegate::paintText(QPainter *p,
const QString text = index.data(Qt::DisplayRole).toString();
/* Custom text elide. */
const QFontMetrics metrics = opt.fontMetrics;
const int elideMarkerLength = metrics.tightBoundingRect("(...)").width();
const int textLength = textRect.width() - elideMarkerLength;
QString elidedText = metrics.elidedText(text, Qt::ElideRight, textLength);
QString elidedText = getElidedText(opt.font, textRect.width(), text);
if (elidedText != text)
{
/* Remove built-in elide marker */
elidedText.chop(1);
/* drawText's Align direction determines text direction */
const bool textDirFlipped = KiwixApp::isRightToLeft() != text.isRightToLeft();
elidedText = textDirFlipped ? "(...)" + elidedText.trimmed()