void TupGradientSelector::mousePressEvent(QMouseEvent *event)
{
bool select = false;
for (int i = 0; i < m_arrows.count(); i++) {
TupGradientArrow *aArrow = m_arrows[i];
if (aArrow->contains(event->pos())) {
m_currentArrowIndex = i;
select = true;
break;
}
}
if (m_arrows.count() > 2 && event->button() == Qt::RightButton) {
m_arrows.removeAt(m_currentArrowIndex);
m_currentArrowIndex = 0;
repaint();
}
else if (!select) {
int val;
if (orientation() == Qt::Vertical)
val = (maximum() - minimum()) * (height() - event->y()) / (height()) + minimum();
else
val = (maximum() - minimum()) * (width() - event->x()) / width() + minimum();
if (!m_arrows.isEmpty())
addArrow(calcArrowPos(val), m_arrows[m_currentArrowIndex]->color());
else
addArrow(calcArrowPos(val), m_currentColor);
}
}
void KSelector::paintEvent( QPaintEvent * )
{
QPainter painter;
int w = style()->pixelMetric( QStyle::PM_DefaultFrameWidth );
int iw = (w < ARROWSIZE) ? ARROWSIZE : w;
painter.begin( this );
drawContents( &painter );
QBrush brush;
QPoint pos = calcArrowPos( value() );
drawArrow( &painter, pos );
if ( indent() )
{
QStyleOptionFrame opt;
opt.initFrom( this );
opt.state = QStyle::State_Sunken;
if ( orientation() == Qt::Vertical )
opt.rect.adjust( 0, iw - w, -5, w - iw );
else
opt.rect.adjust(iw - w, 0, w - iw, -5);
style()->drawPrimitive( QStyle::PE_Frame, &opt, &painter, this );
}
painter.end();
}
void TupGradientSelector::setStops(const QGradientStops &stops)
{
m_gradient.setStops(stops);
m_arrows.clear();
for (int i = 0; i < stops.count(); i++)
addArrow(calcArrowPos((int) (100 - (stops[i].first * 100)) ), stops[i].second);
update();
}
void TupGradientSelector::resizeEvent(QResizeEvent *event)
{
QAbstractSlider::setRange(0,width());
QAbstractSlider::setMaximum(width());
m_update = true;
for (int i =0; i < m_arrows.count(); i++)
m_arrows[i]->moveVertical(calcArrowPos((int)m_arrows[i]->position()));
QWidget::resizeEvent(event);
}
