void KItemListHeaderWidget::mousePressEvent(QGraphicsSceneMouseEvent* event)
{
if (event->button() & Qt::LeftButton) {
updatePressedRoleIndex(event->pos());
m_pressedMousePos = event->pos();
m_roleOperation = isAboveRoleGrip(m_pressedMousePos, m_pressedRoleIndex) ?
ResizeRoleOperation : NoRoleOperation;
event->accept();
} else {
event->ignore();
}
}
void KItemListHeaderWidget::hoverMoveEvent(QGraphicsSceneHoverEvent* event)
{
QGraphicsWidget::hoverMoveEvent(event);
const QPointF& pos = event->pos();
updateHoveredRoleIndex(pos);
if (m_hoveredRoleIndex >= 0 && isAboveRoleGrip(pos, m_hoveredRoleIndex)) {
setCursor(Qt::SplitHCursor);
} else {
unsetCursor();
}
}
void KItemListHeaderWidget::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* event)
{
QGraphicsItem::mouseDoubleClickEvent(event);
const int roleIndex = roleIndexAt(event->pos());
if (roleIndex >= 0 && isAboveRoleGrip(event->pos(), roleIndex)) {
const QByteArray role = m_columns.at(roleIndex);
qreal previousWidth = columnWidth(role);
setColumnWidth(role, preferredColumnWidth(role));
qreal currentWidth = columnWidth(role);
emit columnWidthChanged(role, currentWidth, previousWidth);
}
}