QColor KUrlNavigatorButtonBase::foregroundColor() const
{
const bool isHighlighted = isDisplayHintEnabled(EnteredHint) ||
isDisplayHintEnabled(DraggedHint) ||
isDisplayHintEnabled(PopupActiveHint);
QColor foregroundColor = palette().color(foregroundRole());
int alpha = m_active ? 255 : 128;
if (!m_active && !isHighlighted) {
alpha -= alpha / 4;
}
foregroundColor.setAlpha(alpha);
return foregroundColor;
}
void KUrlNavigatorButtonBase::drawHoverBackground(QPainter *painter)
{
const bool isHighlighted = isDisplayHintEnabled(EnteredHint) ||
isDisplayHintEnabled(DraggedHint) ||
isDisplayHintEnabled(PopupActiveHint);
QColor backgroundColor = isHighlighted ? palette().color(QPalette::Highlight) : Qt::transparent;
if (!m_active && isHighlighted) {
backgroundColor.setAlpha(128);
}
if (backgroundColor != Qt::transparent) {
// TODO: the backgroundColor should be applied to the style
QStyleOptionViewItemV4 option;
option.initFrom(this);
option.state = QStyle::State_Enabled | QStyle::State_MouseOver;
option.viewItemPosition = QStyleOptionViewItemV4::OnlyOne;
style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &option, painter, this);
}
}
void
BreadcrumbItemSortButton::drawHoverBackground( QPainter *painter )
{
const bool isHovered = isDisplayHintEnabled( HoverHint );
if( isHovered )
{
QStyleOptionViewItemV4 option;
option.initFrom(this);
option.state = QStyle::State_Enabled | QStyle::State_MouseOver;
option.viewItemPosition = QStyleOptionViewItemV4::OnlyOne;
if( m_arrowHovered )
{
option.rect = m_arrowRect;
}
style()->drawPrimitive( QStyle::PE_PanelItemViewItem, &option, painter, this );
}
}
void KUrlNavigatorToggleButton::paintEvent(QPaintEvent* event)
{
QPainter painter(this);
painter.setClipRect(event->rect());
const int buttonWidth = width();
const int buttonHeight = height();
if (isChecked()) {
drawHoverBackground(&painter);
const int x = (buttonWidth - m_pixmap.width()) / 2;
const int y = (buttonHeight - m_pixmap.height()) / 2;
painter.drawPixmap(QRect(x, y, m_pixmap.width(), m_pixmap.height()), m_pixmap);
} else if (isDisplayHintEnabled(EnteredHint)) {
painter.setPen(Qt::NoPen);
painter.setBrush(palette().color(foregroundRole()));
const int verticalGap = 4;
const int caretWidth = 2;
const int x = (layoutDirection() == Qt::LeftToRight) ? 0 : width() - caretWidth;
painter.drawRect(x, verticalGap, caretWidth, buttonHeight - 2 * verticalGap);
}
}
