player/clickslider.cpp at master · c9o/player · GitHub

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/**********************
 ** clickslider.cpp
 **********************/
#include <QtGui>
#include <QStyleOptionSlider>
#include <QDebug>
#include "clickslider.h"

ClickSlider::ClickSlider( QWidget * parent) :QSlider(parent)
{

}

/*
   void ClickSlider::mousePressEvent ( QMouseEvent * mouseEvent )
   {
   if(mouseEvent->button()==Qt::LeftButton && isEnabled())
   {
   int duration = maximum() - minimum();
   int pos = minimum() + duration * ((double)mouseEvent->x() / width());
   qDebug() << Q_FUNC_INFO << " pos" << pos;
   if(pos != sliderPosition())
   {
   setValue(pos);
   }
// else ok.
emit(sliderMoved(pos));
}
}
 */

void ClickSlider::mousePressEvent ( QMouseEvent * event )
{
	QStyleOptionSlider opt;
	initStyleOption(&opt);
	int pos;
	QRect sr = style()->subControlRect(QStyle::CC_Slider, &opt, QStyle::SC_SliderHandle, this);

	if (event->button() == Qt::LeftButton &&
			sr.contains(event->pos()) == false)
	{
		int newVal;
		if (orientation() == Qt::Vertical)
			newVal = minimum() + ((maximum()-minimum()) * (height()-event->y())) / height();
		else
			newVal = minimum() + ((maximum()-minimum()) * event->x()) / width();

		if (invertedAppearance() == true)
		{
			setValue( maximum() - newVal );
			pos = maximum() - newVal;
		}
		else
		{
			setValue(newVal);
			pos = newVal;
		}

		event->accept();
	}
	QSlider::mousePressEvent(event);
	emit(sliderMoved(pos));
}