progress_frame.h

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#ifndef PROGRESS_FRAME_H
#define PROGRESS_FRAME_H
 
#include <QFrame>
 
namespace Ui {
class ProgressFrame;
}
 
class ProgressFrame;
class QDialogButtonBox;
class QElapsedTimer;
class QGraphicsOpacityEffect;
class QPropertyAnimation;

struct progdlg {
    ProgressFrame *progress_frame;

    QWidget *top_level_window;
};

class ProgressFrame : public QFrame
{
    Q_OBJECT
 
public:
    explicit ProgressFrame(QWidget *parent = 0);

    ~ProgressFrame();
 
#ifdef QWINTASKBARPROGRESS_H
    void enableTaskbarUpdates(bool enable = true) { update_taskbar_ = enable; }
#endif

    static void addToButtonBox(QDialogButtonBox *button_box, QObject *main_window);

    void captureFileClosing();
 
public slots:
    struct progdlg *showProgress(const QString &title, bool animate, bool terminate_is_stop, bool *stop_flag, int value = 0);

    struct progdlg *showBusy(bool animate, bool terminate_is_stop, bool *stop_flag);

    void setValue(int value);

    void setTitle(const QString &title);

    void setStatus(const QString &status);

    void hide();
 
signals:
    void showRequested(bool animate, bool terminate_is_stop, bool *stop_flag);

    void valueChanged(int value);

    void maximumValueChanged(int value);

    void setHidden();

    void stopLoading();
 
protected:
    void timerEvent(QTimerEvent *event) override;
 
private:
    void updateLabel();

    QString elideLabel(const QString &title) const;

    Ui::ProgressFrame *ui;

    struct progdlg progress_dialog_;

    QString message_;

    QString status_;

    bool terminate_is_stop_;

    bool *stop_flag_;

    int show_timer_;

    QGraphicsOpacityEffect *effect_;

    QPropertyAnimation *animation_;
 
#ifdef QWINTASKBARPROGRESS_H
    bool update_taskbar_;

    QWinTaskbarProgress *taskbar_progress_;
#endif
 
private slots:
    void on_stopButton_clicked();

    void show(bool animate, bool terminate_is_stop, bool *stop_flag);

    void setMaximumValue(int value);
};
 
#endif // PROGRESS_FRAME_H