91 lines
2 KiB
C++
91 lines
2 KiB
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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#include "ui/effects/animations.h"
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#include <QtGui/QFontMetrics>
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namespace style {
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struct MediaPlayerButton;
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struct MediaSpeedButton;
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} // namespace style
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namespace Media::Player {
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class PlayButtonLayout {
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public:
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enum class State {
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Play,
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Pause,
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Cancel,
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};
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PlayButtonLayout(const style::MediaPlayerButton &st, Fn<void()> callback);
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void setState(State state);
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void finishTransform();
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void paint(QPainter &p, const QBrush &brush);
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private:
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void animationCallback();
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void startTransform(float64 from, float64 to);
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void paintPlay(QPainter &p, const QBrush &brush);
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void paintPlayToPause(QPainter &p, const QBrush &brush, float64 progress);
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void paintPlayToCancel(QPainter &p, const QBrush &brush, float64 progress);
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void paintPauseToCancel(QPainter &p, const QBrush &brush, float64 progress);
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const style::MediaPlayerButton &_st;
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State _state = State::Play;
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State _oldState = State::Play;
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State _nextState = State::Play;
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Ui::Animations::Simple _transformProgress;
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bool _transformBackward = false;
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Fn<void()> _callback;
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};
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class SpeedButtonLayout {
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public:
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SpeedButtonLayout(
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const style::MediaSpeedButton &st,
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Fn<void()> callback,
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float64 speed);
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void setSpeed(float64 speed);
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void finishTransform();
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void paint(QPainter &p, const QColor &color);
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private:
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void animationCallback();
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void startTransform(float64 from, float64 to);
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const style::MediaSpeedButton &_st;
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float64 _speed = 1.;
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float64 _oldSpeed = 1.;
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float64 _nextSpeed = 1.;
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std::optional<QColor> _lastPaintColor;
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std::optional<QColor> _oldColor;
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Ui::Animations::Simple _transformProgress;
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bool _transformBackward = false;
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QFontMetricsF _metrics;
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QString _text;
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float64 _textWidth = 0;
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QString _oldText;
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float64 _oldTextWidth = 0;
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Fn<void()> _callback;
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};
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} // namespace Media::Player
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