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