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 ItemDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
int row = index.row();
ItemWidget *w = m_cache[row];
if (w == NULL)
return;
const QRect &rect = option.rect;
/* render background (selected, alternate, ...) */
QStyle *style = m_parent->style();
style->drawControl(QStyle::CE_ItemViewItem, &option, painter);
QPalette::ColorRole role = option.state & QStyle::State_Selected ?
QPalette::HighlightedText : QPalette::Text;
/* render number */
QRect numRect(0, 0, 0, 0);
if (m_showNumber) {
QString num = QString::number(row) + " ";
painter->save();
painter->setFont(m_numberFont);
style->drawItemText(painter, rect.translated(4, 4), 0,
m_numberPalette, true, num,
role);
painter->restore();
numRect = style->itemTextRect( QFontMetrics(m_numberFont), rect, 0,
true, num );
}
/* highlight search string */
w->setHighlight(m_re, m_foundFont, m_foundPalette);
/* text color for selected/unselected item */
QPalette palette = w->widget()->palette();
palette.setColor( QPalette::Text, option.palette.color(role) );
w->widget()->setPalette(palette);
/* render widget */
w->widget()->show();
}
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));
}
void BlogListDelegate::paint ( QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const
{
BlogListWidget * listWidget = qobject_cast<BlogListWidget *>(this->parent());
if (listWidget == NULL) return;
QStyle * style = listWidget->style();
if (style == NULL) return;
painter->save();
QFont itemFont(painter->font());
style->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter, listWidget);
QPixmap pixmap = qvariant_cast<QPixmap>(index.data(IconRole));
QString title = index.data(TitleRole).toString();
QString date = index.data(DateRole).toString();
QString author = index.data(AuthorRole).toString();
QString intro = index.data(IntroRole).toString();
// QRect rect;
int imageSpace = ImageSpace + 10;
// TITLE
painter->setPen(listWidget->titleTextColor());
QFont titleFont(listWidget->titleTextFontFamily());
titleFont.setPixelSize(pixelSize(listWidget->titleTextFontSize()));
painter->setFont(titleFont);
QRect rect = option.rect.adjusted(imageSpace, TopSpace, 0, 0);
style->drawItemText(painter, rect, Qt::AlignLeft, option.palette, true, title);
QFontMetrics titleFontMetrics(titleFont);
// INTRO
painter->setPen(listWidget->introTextColor());
QFont introFont(listWidget->introTextFontFamily());
introFont.setPixelSize(pixelSize(listWidget->introTextFontSize()));
painter->setFont(introFont);
rect = option.rect.adjusted(imageSpace, TopSpace + titleFontMetrics.lineSpacing() + pixelSize(listWidget->titleTextExtraLeading()) , 0, 0);
style->drawItemText(painter, rect, Qt::AlignLeft, option.palette, true, intro);
QFontMetrics introFontMetrics(introFont);
// DATE
painter->setPen(listWidget->dateTextColor());
QFont font(listWidget->dateTextFontFamily());
font.setPixelSize(pixelSize(listWidget->dateTextFontSize()));
painter->setFont(font);
rect = option.rect.adjusted(imageSpace, TopSpace + titleFontMetrics.lineSpacing() + introFontMetrics.lineSpacing() + pixelSize(listWidget->introTextExtraLeading()), 0, 0);
style->drawItemText(painter, rect, Qt::AlignLeft, option.palette, true, date);
QFontMetrics dateTextFontMetrics(font);
// AUTHOR
QRect textRect = style->itemTextRect(dateTextFontMetrics, option.rect, Qt::AlignLeft, true, date);
rect = option.rect.adjusted(imageSpace + textRect.width() + 7, TopSpace + titleFontMetrics.lineSpacing() + introFontMetrics.lineSpacing() + pixelSize(listWidget->introTextExtraLeading()), 0, 0);
style->drawItemText(painter, rect, Qt::AlignLeft, option.palette, true, author);
if (!pixmap.isNull()) {
//ic.paint(painter, option.rect, Qt::AlignVCenter|Qt::AlignLeft);
style->drawItemPixmap(painter, option.rect.adjusted(0, TopSpace, 0, -TopSpace), Qt::AlignLeft, pixmap);
}
painter->restore();
}