void ScrollBar::mouseMoveEvent(QMouseEvent *ev)
{
if (mouse_grabed_) {
// position diff
int pos = (orientation_ == Qt::Horizontal ? ev->pos().x() : ev->pos().y()) - bar_grabed_position_;
// fix negative
pos = qMax(pos, 0);
Q_ASSERT(pos >= 0);
// fix maximum
const qint64 value = qMin(sliderValueFromPosition(pos, drawBarSize()), maximum_);
Q_ASSERT(value <= maximum_);
if (isSliderDown()) {
setSliderPosition(value);
}
if (hasTracking()) {
setValue(value);
}
} else {
// When mouse hovering
if (isScrollBarArea(ev->pos())) {
// TODO: animation
}
}
}
/*!
\reimp
*/
void KScrollBar::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
QStyle::SubControl control = hitTestComplexControl(event->pos().toPoint());
m_pressedControl = control;
if(control == QStyle::SC_ScrollBarAddPage || control == QStyle::SC_ScrollBarSubPage)
{
int pos = m_orientation == Qt::Vertical ? event->pos().y() : event->pos().x();
int sbextent = m_buttonHeight;
int maxlen = ((m_orientation == Qt::Horizontal) ? width() : height()) - (sbextent * 2);
int sliderlen = sliderPixels();
m_tagetValue = sliderValueFromPosition(m_minimum, m_maximum, pos - sbextent, maxlen - sliderlen, false);
}
performSubControlAction(control);
if ((control != QStyle::SC_ScrollBarSlider) &&
!(m_initialDelayTimer.isActive() || m_repeatActionTimer.isActive()))
{
m_initialDelayTimer.start(m_initialDelay, this);
}
if(m_pressedControl == QStyle::SC_ScrollBarSlider)
{
m_thumb->setDown();
}
}
