tdesktop/Telegram/SourceFiles/media/player/media_player_button.h

105 lines
2.3 KiB
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
#include "ui/effects/animations.h"
#include "ui/widgets/buttons.h"
#include <QtGui/QFontMetrics>
namespace style {
struct MediaPlayerButton;
struct MediaSpeedButton;
} // namespace style
namespace Media::Player {
class PlayButtonLayout {
public:
enum class State {
Play,
Pause,
Cancel,
};
PlayButtonLayout(const style::MediaPlayerButton &st, Fn<void()> callback);
void setState(State state);
void finishTransform();
void paint(QPainter &p, const QBrush &brush);
private:
void animationCallback();
void startTransform(float64 from, float64 to);
void paintPlay(QPainter &p, const QBrush &brush);
void paintPlayToPause(QPainter &p, const QBrush &brush, float64 progress);
void paintPlayToCancel(QPainter &p, const QBrush &brush, float64 progress);
void paintPauseToCancel(QPainter &p, const QBrush &brush, float64 progress);
const style::MediaPlayerButton &_st;
State _state = State::Play;
State _oldState = State::Play;
State _nextState = State::Play;
Ui::Animations::Simple _transformProgress;
bool _transformBackward = false;
Fn<void()> _callback;
};
class SpeedButtonLayout {
public:
SpeedButtonLayout(
const style::MediaSpeedButton &st,
Fn<void()> callback,
float64 speed);
void setSpeed(float64 speed);
void paint(QPainter &p, bool over, bool active);
private:
const style::MediaSpeedButton &_st;
float64 _speed = 1.;
QFontMetricsF _metrics;
float64 _adjustedAscent = 0.;
float64 _adjustedHeight = 0.;
QString _text;
float64 _textWidth = 0;
Fn<void()> _callback;
};
class SpeedButton final : public Ui::RippleButton {
public:
SpeedButton(QWidget *parent, const style::MediaSpeedButton &st);
[[nodiscard]] const style::MediaSpeedButton &st() const {
return _st;
}
void setSpeed(float64 speed, anim::type animated = anim::type::normal);
private:
void paintEvent(QPaintEvent *e) override;
QPoint prepareRippleStartPosition() const override;
QImage prepareRippleMask() const override;
const style::MediaSpeedButton &_st;
SpeedButtonLayout _layout;
bool _isDefault = false;
};
} // namespace Media::Player