tdesktop/Telegram/SourceFiles/media/view/media_clip_volume_controller.h

46 lines
995 B
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#pragma once
namespace Media {
namespace Clip {
class VolumeController : public TWidget {
Q_OBJECT
public:
VolumeController(QWidget *parent);
void setVolume(float64 volume);
signals:
void volumeChanged(float64 volume);
protected:
void paintEvent(QPaintEvent *e) override;
void mouseMoveEvent(QMouseEvent *e) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *e) override;
void enterEventHook(QEvent *e) override;
void leaveEventHook(QEvent *e) override;
private:
void setOver(bool over);
void changeVolume(float64 newVolume);
float64 _volume = 0.;
int _downCoord = -1; // < 0 means mouse is not pressed
bool _over = false;
Animation _a_over;
};
} // namespace Clip
} // namespace Media