mpv/DOCS/client_api_examples/qt_opengl/mainwindow.cpp

53 lines
1.5 KiB
C++

#include "mainwindow.h"
#include "mpvwidget.h"
#include <QPushButton>
#include <QSlider>
#include <QLayout>
#include <QFileDialog>
MainWindow::MainWindow(QWidget *parent) : QWidget(parent)
{
m_mpv = new MpvWidget(this);
m_slider = new QSlider();
m_slider->setOrientation(Qt::Horizontal);
m_openBtn = new QPushButton("Open");
m_playBtn = new QPushButton("Pause");
QHBoxLayout *hb = new QHBoxLayout();
hb->addWidget(m_openBtn);
hb->addWidget(m_playBtn);
QVBoxLayout *vl = new QVBoxLayout();
vl->addWidget(m_mpv);
vl->addWidget(m_slider);
vl->addLayout(hb);
setLayout(vl);
connect(m_slider, SIGNAL(sliderMoved(int)), SLOT(seek(int)));
connect(m_openBtn, SIGNAL(clicked()), SLOT(openMedia()));
connect(m_playBtn, SIGNAL(clicked()), SLOT(pauseResume()));
connect(m_mpv, SIGNAL(positionChanged(int)), m_slider, SLOT(setValue(int)));
connect(m_mpv, SIGNAL(durationChanged(int)), this, SLOT(setSliderRange(int)));
}
void MainWindow::openMedia()
{
QString file = QFileDialog::getOpenFileName(0, "Open a video");
if (file.isEmpty())
return;
m_mpv->command(QStringList() << "loadfile" << file);
}
void MainWindow::seek(int pos)
{
m_mpv->command(QVariantList() << "seek" << pos << "absolute");
}
void MainWindow::pauseResume()
{
const bool paused = m_mpv->getProperty("pause").toBool();
m_mpv->setProperty("pause", !paused);
}
void MainWindow::setSliderRange(int duration)
{
m_slider->setRange(0, duration);
}