qt-material-widgets/components/slider.cpp

79 lines
1.5 KiB
C++

#include "slider.h"
#include <QPainter>
#include <QStringBuilder>
#include <QMouseEvent>
#include <QDebug>
#include "slider_p.h"
Slider::Slider(QWidget *parent)
: QAbstractSlider(parent),
d_ptr(new SliderPrivate(this))
{
}
Slider::~Slider()
{
}
void Slider::setOrientation(Qt::Orientation orientation)
{
Q_D(Slider);
d->orientation = orientation;
update();
}
Qt::Orientation Slider::orientation() const
{
Q_D(const Slider);
return d->orientation;
}
void Slider::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event)
Q_D(Slider);
QPainter painter(this);
d->paintTrack(&painter);
d->paintThumb(&painter);
#ifdef DEBUG_LAYOUT
QPen pen;
pen.setColor(Qt::red);
pen.setWidth(1);
painter.setOpacity(1);
painter.setPen(pen);
painter.setBrush(Qt::NoBrush);
painter.drawRect(rect().adjusted(0, 0, -1, -1));
painter.setFont(QFont("monospace", 8));
painter.drawText(8, 18, "Value: " % QString::number(value()));
painter.drawText(8, 36, "Position: " % QString::number(sliderPosition()));
#endif
}
void Slider::mouseMoveEvent(QMouseEvent *event)
{
Q_D(Slider);
QRect track(d->trackGeometry().adjusted(-2, -2, 2, 2));
if (track.contains(event->pos()) != d->hoverTrack) {
d->hoverTrack = !d->hoverTrack;
update();
}
QRectF thumb(0, 0, 16, 16);
thumb.moveCenter(d->thumbGeometry().center());
if (thumb.contains(event->pos()) != d->hoverThumb) {
d->hoverThumb = !d->hoverThumb;
update();
}
QAbstractSlider::mouseMoveEvent(event);
}