119 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			119 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // This file is part of Desktop App Toolkit,
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| // a set of libraries for developing nice desktop applications.
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| //
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| // For license and copyright information please follow this link:
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| // https://github.com/desktop-app/legal/blob/master/LEGAL
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| //
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| #pragma once
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| 
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| #include "ui/effects/animations.h"
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| 
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| namespace style {
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| struct InfiniteRadialAnimation;
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| } // namespace style
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| 
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| namespace Ui {
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| 
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| struct RadialState {
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| 	static const int kFull;
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| 
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| 	float64 shown = 0.;
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| 	int arcFrom = 0;
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| 	int arcLength = kFull;
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| };
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| 
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| class RadialAnimation {
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| public:
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| 	template <typename Callback>
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| 	RadialAnimation(Callback &&callback);
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| 
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| 	[[nodiscard]] float64 opacity() const {
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| 		return _opacity;
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| 	}
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| 	[[nodiscard]] bool animating() const {
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| 		return _animation.animating();
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| 	}
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| 
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| 	void start(float64 prg);
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| 	bool update(float64 prg, bool finished, crl::time ms);
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| 	void stop();
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| 
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| 	void draw(
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| 		QPainter &p,
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| 		const QRect &inner,
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| 		int32 thickness,
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| 		style::color color) const;
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| 
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| 	[[nodiscard]] RadialState computeState() const;
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| 
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| private:
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| 	crl::time _firstStart = 0;
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| 	crl::time _lastStart = 0;
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| 	crl::time _lastTime = 0;
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| 	float64 _opacity = 0.;
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| 	anim::value _arcEnd;
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| 	anim::value _arcStart;
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| 	Ui::Animations::Basic _animation;
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| 	bool _finished = false;
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| 
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| };
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| 
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| template <typename Callback>
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| inline RadialAnimation::RadialAnimation(Callback &&callback)
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| : _arcStart(0, RadialState::kFull)
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| , _animation(std::forward<Callback>(callback)) {
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| }
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| 
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| 
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| class InfiniteRadialAnimation {
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| public:
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| 	template <typename Callback>
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| 	InfiniteRadialAnimation(
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| 		Callback &&callback,
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| 		const style::InfiniteRadialAnimation &st);
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| 
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| 	[[nodiscard]] bool animating() const {
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| 		return _animation.animating();
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| 	}
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| 
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| 	void start(crl::time skip = 0);
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| 	void stop(anim::type animated = anim::type::normal);
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| 
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| 	void draw(
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| 		QPainter &p,
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| 		QPoint position,
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| 		int outerWidth);
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| 	void draw(
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| 		QPainter &p,
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| 		QPoint position,
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| 		QSize size,
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| 		int outerWidth);
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| 
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| 	static void Draw(
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| 		QPainter &p,
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| 		const RadialState &state,
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| 		QPoint position,
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| 		QSize size,
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| 		int outerWidth,
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| 		QPen pen,
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| 		int thickness);
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| 
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| 	[[nodiscard]] RadialState computeState();
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| 
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| private:
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| 	const style::InfiniteRadialAnimation &_st;
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| 	crl::time _workStarted = 0;
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| 	crl::time _workFinished = 0;
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| 	Ui::Animations::Basic _animation;
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| 
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| };
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| 
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| template <typename Callback>
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| inline InfiniteRadialAnimation::InfiniteRadialAnimation(
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| 	Callback &&callback,
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| 	const style::InfiniteRadialAnimation &st)
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| : _st(st)
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| , _animation(std::forward<Callback>(callback)) {
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| }
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| 
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| } // namespace Ui
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