ShortcutStyleDelegate Class Reference

Inheritance diagram for ShortcutStyleDelegate:

Public Member Functions
void	paint (QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override
	ShortcutStyleDelegate (QObject *parent=nullptr)

Detailed Description

Definition at line 152 of file katecommandbar.cpp.

Constructor & Destructor Documentation

ShortcutStyleDelegate()

ShortcutStyleDelegate::ShortcutStyleDelegate ( QObject * parent = nullptr )

inline

Definition at line 155 of file katecommandbar.cpp.

        : QStyledItemDelegate(parent)
    {
    }

Member Function Documentation

paint()

void ShortcutStyleDelegate::paint ( QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index ) const

inlineoverride

Definition at line 160 of file katecommandbar.cpp.

    {
        QStyleOptionViewItem options = option;
        initStyleOption(&options, index);
        painter->save();
 
        const auto shortcutString = index.data().toString();
 
        // paint background
        if (option.state & QStyle::State_Selected) {
            painter->fillRect(option.rect, option.palette.highlight());
        } else {
            painter->fillRect(option.rect, option.palette.base());
        }
 
        options.text = QString(); // clear old text
        options.widget->style()->drawControl(QStyle::CE_ItemViewItem, &options, painter, options.widget);
 
        if (!shortcutString.isEmpty()) {
            // collect rects for each word
            QVector<QPair<QRect, QString>> btns;
            const auto list = [&shortcutString] {
                auto list = shortcutString.split(QLatin1Char('+'), Qt::SkipEmptyParts);
                if (shortcutString.endsWith(QLatin1String("+"))) {
                    list.append(QStringLiteral("+"));
                }
                return list;
            }();
            btns.reserve(list.size());
            for (const QString &text : list) {
                QRect r = option.fontMetrics.boundingRect(text);
                r.setWidth(r.width() + 8);
                btns.append({r, text});
            }
 
            const auto plusRect = option.fontMetrics.boundingRect(QLatin1Char('+'));
 
            // draw them
            int x = option.rect.x();
            const int y = option.rect.y();
            const int plusY = option.rect.y() + plusRect.height() / 2;
            const int total = btns.size();
 
            // make sure our rects are nicely V-center aligned in the row
            painter->translate(QPoint(0, (option.rect.height() - btns.at(0).first.height()) / 2));
 
            int i = 0;
            painter->setRenderHint(QPainter::Antialiasing);
            for (const auto &btn : btns) {
                painter->setPen(Qt::NoPen);
                const QRect &rect = btn.first;
 
                QRect buttonRect(x, y, rect.width(), rect.height());
 
                // draw rounded rect shadow
                auto shadowRect = buttonRect.translated(0, 1);
                painter->setBrush(option.palette.shadow());
                painter->drawRoundedRect(shadowRect, 3, 3);
 
                // draw rounded rect itself
                painter->setBrush(option.palette.button());
                painter->drawRoundedRect(buttonRect, 3, 3);
 
                // draw text inside rounded rect
                painter->setPen(option.palette.buttonText().color());
                painter->drawText(buttonRect, Qt::AlignCenter, btn.second);
 
                // draw '+'
                if (i + 1 < total) {
                    x += rect.width() + 5;
                    painter->drawText(QPoint(x, plusY + (rect.height() / 2)), QString("+"));
                    x += plusRect.width() + 5;
                }
                i++;
            }
        }
 
        painter->restore();
    }

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The documentation for this class was generated from the following file:

• libs/widgetutils/katecommandbar.cpp