void AnnotatedItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const { auto opt = option; initStyleOption(&opt, index); QStyle *style = QApplication::style(); style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, opt.widget); style->drawControl(QStyle::CE_ItemViewItem, &opt, painter, opt.widget); QString annotation = index.data(m_annotationRole).toString(); if (!annotation.isEmpty()) { int newlinePos = annotation.indexOf(QLatin1Char('\n')); if (newlinePos != -1) { // print first line with '...' at end const QChar ellipsisChar(0x2026); annotation = annotation.left(newlinePos) + ellipsisChar; } QPalette disabled(opt.palette); disabled.setCurrentColorGroup(QPalette::Disabled); painter->save(); painter->setPen(disabled.color(QPalette::WindowText)); static int extra = opt.fontMetrics.width(m_delimiter) + 10; const QPixmap &pixmap = opt.icon.pixmap(opt.decorationSize); const QRect &iconRect = style->itemPixmapRect(opt.rect, opt.decorationAlignment, pixmap); const QRect &displayRect = style->itemTextRect(opt.fontMetrics, opt.rect, opt.displayAlignment, true, index.data(Qt::DisplayRole).toString()); QRect annotationRect = style->itemTextRect(opt.fontMetrics, opt.rect, opt.displayAlignment, true, annotation); annotationRect.adjust(iconRect.width() + displayRect.width() + extra, 0, iconRect.width() + displayRect.width() + extra, 0); QApplication::style()->drawItemText(painter, annotationRect, Qt::AlignLeft | Qt::AlignBottom, disabled, true, annotation); painter->restore(); } }
void WidgetDiskItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const { QStyleOptionViewItemV4 opt = *qstyleoption_cast<const QStyleOptionViewItemV4*>(&option); bool selected = opt.state & QStyle::State_Selected; QStyle* style = (opt.widget != NULL ? opt.widget->style() : QApplication::style()); QString text = index.data(Qt::DisplayRole).toString(); QIcon icon = qvariant_cast<QIcon>(index.data(Qt::DecorationRole)); QPixmap pixmap = icon.pixmap(opt.decorationSize, (selected == true ? QIcon::Selected : QIcon::Normal)); int alignment = 0; switch (opt.decorationPosition) { case QStyleOptionViewItem::Left: alignment |= Qt::AlignLeft | Qt::AlignVCenter; break; case QStyleOptionViewItem::Right: alignment |= Qt::AlignRight | Qt::AlignVCenter; break; case QStyleOptionViewItem::Top: alignment |= Qt::AlignTop | Qt::AlignHCenter; break; case QStyleOptionViewItem::Bottom: alignment |= Qt::AlignBottom | Qt::AlignHCenter; break; } QRect icon_rect = style->itemPixmapRect(opt.rect.adjusted(adjust_dx, adjust_dy, -adjust_dx, -adjust_dy), alignment, pixmap); style->drawItemPixmap(painter, icon_rect, opt.decorationAlignment, pixmap); QRect free_rect; switch (opt.decorationPosition) { case QStyleOptionViewItem::Left: free_rect = opt.rect.adjusted(icon_rect.width() + adjust_dx * 3, adjust_dy, -adjust_dx, -adjust_dy); break; case QStyleOptionViewItem::Right: free_rect = opt.rect.adjusted(adjust_dx, adjust_dy, -icon_rect.width() - adjust_dx * 3, -adjust_dy); break; case QStyleOptionViewItem::Top: free_rect = opt.rect.adjusted(adjust_dx, icon_rect.height() + adjust_dy * 3, -adjust_dx, -adjust_dy); break; case QStyleOptionViewItem::Bottom: free_rect = opt.rect.adjusted(adjust_dx, adjust_dy, -adjust_dx, -icon_rect.height() - adjust_dy * 3); break; } if (selected == true) { int dr = qMax(adjust_dx, adjust_dy); QRect text_rect = style->itemTextRect(opt.fontMetrics, free_rect, alignment, true, text); QRect high_rect = text_rect.adjusted(-dr, -dr, dr, dr); painter->save(); painter->setRenderHint(QPainter::Antialiasing); painter->setPen(opt.palette.highlight().color()); painter->setBrush(opt.palette.highlight()); painter->drawRoundedRect(high_rect, dr, dr); painter->restore(); } style->drawItemText(painter, free_rect, alignment, option.palette, true, text, (selected == true ? QPalette::HighlightedText : QPalette::WindowText)); }