playerwindow.h

一个基于qt的媒体播放器程序源码

#ifndef PLAYERWINDOW_H
#define PLAYERWINDOW_H

#include <qwidget.h>

class QAxWidget;
class QSlider;
class QToolButton;

class PlayerWindow : public QWidget
{
    Q_OBJECT
    Q_ENUMS(ReadyStateConstants)
public:
    enum PlayStateConstants { Stopped = 0, Paused = 1, Playing = 2 };
    enum ReadyStateConstants { Uninitialized = 0, Loading = 1,
                               Interactive = 3, Complete = 4 };

    PlayerWindow(QWidget *parent = 0, const char *name = 0);

protected:
    void timerEvent(QTimerEvent *event);

private slots:
    void onPlayStateChange(int oldState, int newState);
    void onReadyStateChange(ReadyStateConstants readyState);
    void onPositionChange(double oldPos, double newPos);
    void sliderValueChanged(int newValue);
    void openFile();

private:
    QAxWidget *wmp;
    QToolButton *openButton;
    QToolButton *playPauseButton;
    QToolButton *stopButton;
    QSlider *seekSlider;
    QString fileFilters;
    int updateTimer;
};

#endif