void PixmapSliderVU::mouseMoveEvent(QMouseEvent *e) {
if (!drag.active)
return;
float value_ofs=drag.value_at_click+(get_click_pos(e->pos())-drag.pos_at_click);
if (value_ofs<0)
value_ofs=0;
if (value_ofs>1)
value_ofs=1;
if (value==value_ofs)
return; //dont bother if the value is the same
slider_value=value_ofs;
slider_value_changed(value_ofs);
slider_value_changed_signal(value_ofs);
update();
}
void PixmapSliderVU::wheelEvent ( QWheelEvent * e ) {
int range=height();
int grabber=slider_grabber.height();
range-=grabber;
if (range==0)
range=0.0001;
float step=1.0/(float)range;
if (!e->modifiers()&Qt::ShiftModifier)
step*=5.0;
if (e->delta()>0)
set_slider_value( slider_value + step );
else if (e->delta()<0)
set_slider_value( slider_value - step );
slider_value_changed( slider_value );
slider_value_changed_signal(slider_value);
}
void SaturationDialog::on_slider_value_changed(int value)
{
SetScale(value);
double scale = (double)value / 100.0;
emit slider_value_changed(scale);
}
