359 lines
		
	
	
	
		
			8.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			359 lines
		
	
	
	
		
			8.2 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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| 
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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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| 
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| #include "ui/widgets/buttons.h"
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| #include "styles/style_widgets.h"
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| #include <rpl/event_stream.h>
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| 
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| namespace Ui {
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| 
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| class AbstractCheckView {
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| public:
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| 	AbstractCheckView(int duration, bool checked, Fn<void()> updateCallback);
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| 
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| 	void setChecked(bool checked, anim::type animated);
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| 	void finishAnimating();
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| 	void setUpdateCallback(Fn<void()> updateCallback);
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| 	bool checked() const {
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| 		return _checked;
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| 	}
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| 	void update();
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| 	float64 currentAnimationValue(TimeMs ms);
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| 	bool animating() const;
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| 
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| 	auto checkedChanges() const {
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| 		return _checks.events();
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| 	}
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| 	auto checkedValue() const {
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| 		return _checks.events_starting_with(checked());
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| 	}
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| 
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| 	virtual QSize getSize() const = 0;
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| 
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| 	// Zero instead of ms value means that animation was already updated for this time.
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| 	// It can be passed to currentAnimationValue() safely.
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| 	virtual void paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) = 0;
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| 	virtual QImage prepareRippleMask() const = 0;
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| 	virtual bool checkRippleStartPosition(QPoint position) const = 0;
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| 
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| 	void paint(Painter &p, int left, int top, int outerWidth) {
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| 		// Pass zero in ms if the animation was already updated for this time.
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| 		paint(p, left, top, outerWidth, 0);
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| 	}
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| 
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| 	virtual ~AbstractCheckView() = default;
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| 
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| private:
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| 	virtual void checkedChangedHook(anim::type animated) {
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| 	}
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| 
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| 	int _duration = 0;
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| 	bool _checked = false;
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| 	Fn<void()> _updateCallback;
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| 	Animation _toggleAnimation;
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| 
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| 	rpl::event_stream<bool> _checks;
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| 
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| };
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| 
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| class CheckView : public AbstractCheckView {
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| public:
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| 	CheckView(
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| 		const style::Check &st,
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| 		bool checked,
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| 		Fn<void()> updateCallback = nullptr);
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| 
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| 	void setStyle(const style::Check &st);
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| 
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| 	QSize getSize() const override;
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| 	void paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) override;
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| 	QImage prepareRippleMask() const override;
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| 	bool checkRippleStartPosition(QPoint position) const override;
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| 
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| 	void setUntoggledOverride(
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| 		std::optional<QColor> untoggledOverride);
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| 
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| private:
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| 	QSize rippleSize() const;
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| 
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| 	not_null<const style::Check*> _st;
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| 	std::optional<QColor> _untoggledOverride;
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| 
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| };
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| 
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| class RadioView : public AbstractCheckView {
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| public:
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| 	RadioView(
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| 		const style::Radio &st,
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| 		bool checked,
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| 		Fn<void()> updateCallback = nullptr);
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| 
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| 	void setStyle(const style::Radio &st);
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| 
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| 	void setToggledOverride(std::optional<QColor> toggledOverride);
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| 	void setUntoggledOverride(std::optional<QColor> untoggledOverride);
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| 
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| 	QSize getSize() const override;
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| 	void paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) override;
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| 	QImage prepareRippleMask() const override;
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| 	bool checkRippleStartPosition(QPoint position) const override;
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| 
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| private:
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| 	QSize rippleSize() const;
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| 
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| 	not_null<const style::Radio*> _st;
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| 	std::optional<QColor> _toggledOverride;
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| 	std::optional<QColor> _untoggledOverride;
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| 
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| };
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| 
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| class ToggleView : public AbstractCheckView {
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| public:
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| 	ToggleView(
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| 		const style::Toggle &st,
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| 		bool checked,
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| 		Fn<void()> updateCallback = nullptr);
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| 
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| 	void setStyle(const style::Toggle &st);
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| 
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| 	QSize getSize() const override;
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| 	void paint(Painter &p, int left, int top, int outerWidth, TimeMs ms) override;
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| 	QImage prepareRippleMask() const override;
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| 	bool checkRippleStartPosition(QPoint position) const override;
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| 
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| private:
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| 	void paintXV(Painter &p, int left, int top, int outerWidth, float64 toggled, const QBrush &brush);
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| 	QSize rippleSize() const;
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| 
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| 	not_null<const style::Toggle*> _st;
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| 
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| };
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| 
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| class Checkbox : public RippleButton {
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| public:
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| 	Checkbox(
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| 		QWidget *parent,
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| 		const QString &text,
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| 		bool checked = false,
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| 		const style::Checkbox &st = st::defaultCheckbox,
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| 		const style::Check &checkSt = st::defaultCheck);
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| 	Checkbox(
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| 		QWidget *parent,
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| 		const QString &text,
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| 		bool checked,
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| 		const style::Checkbox &st,
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| 		const style::Toggle &toggleSt);
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| 	Checkbox(
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| 		QWidget *parent,
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| 		const QString &text,
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| 		const style::Checkbox &st,
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| 		std::unique_ptr<AbstractCheckView> check);
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| 
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| 	void setText(const QString &text);
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| 	void setCheckAlignment(style::align alignment);
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| 
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| 	bool checked() const;
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| 	rpl::producer<bool> checkedChanges() const;
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| 	rpl::producer<bool> checkedValue() const;
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| 	enum class NotifyAboutChange {
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| 		Notify,
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| 		DontNotify,
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| 	};
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| 	void setChecked(
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| 		bool checked,
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| 		NotifyAboutChange notify = NotifyAboutChange::Notify);
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| 
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| 	void finishAnimating();
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| 
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| 	QMargins getMargins() const override {
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| 		return _st.margin;
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| 	}
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| 	int naturalWidth() const override;
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| 
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| 	void updateCheck() {
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| 		rtlupdate(checkRect());
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| 	}
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| 	QRect checkRect() const;
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| 
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| protected:
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| 	void paintEvent(QPaintEvent *e) override;
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| 
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| 	void onStateChanged(State was, StateChangeSource source) override;
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| 	int resizeGetHeight(int newWidth) override;
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| 
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| 	QImage prepareRippleMask() const override;
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| 	QPoint prepareRippleStartPosition() const override;
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| 
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| 	virtual void handlePress();
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| 
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| private:
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| 	void resizeToText();
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| 	QPixmap grabCheckCache() const;
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| 
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| 	const style::Checkbox &_st;
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| 	std::unique_ptr<AbstractCheckView> _check;
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| 	rpl::event_stream<bool> _checkedChanges;
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| 	QPixmap _checkCache;
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| 
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| 	Text _text;
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| 	style::align _checkAlignment = style::al_left;
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| 
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| };
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| 
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| class Radiobutton;
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| 
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| class RadiobuttonGroup {
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| public:
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| 	RadiobuttonGroup() = default;
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| 	RadiobuttonGroup(int value) : _value(value), _hasValue(true) {
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| 	}
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| 
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| 	void setChangedCallback(Fn<void(int value)> callback) {
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| 		_changedCallback = std::move(callback);
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| 	}
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| 
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| 	bool hasValue() const {
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| 		return _hasValue;
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| 	}
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| 	int value() const {
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| 		return _value;
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| 	}
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| 	void setValue(int value);
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| 
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| private:
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| 	friend class Radiobutton;
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| 	void registerButton(Radiobutton *button) {
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| 		if (!base::contains(_buttons, button)) {
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| 			_buttons.push_back(button);
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| 		}
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| 	}
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| 	void unregisterButton(Radiobutton *button) {
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| 		_buttons.erase(std::remove(_buttons.begin(), _buttons.end(), button), _buttons.end());
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| 	}
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| 
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| 	int _value = 0;
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| 	bool _hasValue = false;
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| 	Fn<void(int value)> _changedCallback;
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| 	std::vector<Radiobutton*> _buttons;
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| 
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| };
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| 
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| class Radiobutton : public Checkbox {
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| public:
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| 	Radiobutton(
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| 		QWidget *parent,
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| 		const std::shared_ptr<RadiobuttonGroup> &group,
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| 		int value,
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| 		const QString &text,
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| 		const style::Checkbox &st = st::defaultCheckbox,
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| 		const style::Radio &radioSt = st::defaultRadio);
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| 	Radiobutton(
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| 		QWidget *parent,
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| 		const std::shared_ptr<RadiobuttonGroup> &group,
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| 		int value,
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| 		const QString &text,
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| 		const style::Checkbox &st,
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| 		std::unique_ptr<AbstractCheckView> check);
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| 	~Radiobutton();
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| 
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| protected:
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| 	void handlePress() override;
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| 
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| private:
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| 	// Hide the names from Checkbox.
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| 	bool checked() const;
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| 	void checkedChanges() const;
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| 	void checkedValue() const;
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| 	void setChecked(bool checked, NotifyAboutChange notify);
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| 
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| 	Checkbox *checkbox() {
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| 		return this;
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| 	}
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| 	const Checkbox *checkbox() const {
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| 		return this;
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| 	}
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| 
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| 	friend class RadiobuttonGroup;
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| 	void handleNewGroupValue(int value);
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| 
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| 	std::shared_ptr<RadiobuttonGroup> _group;
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| 	int _value = 0;
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| 
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| };
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| 
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| template <typename Enum>
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| class Radioenum;
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| 
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| template <typename Enum>
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| class RadioenumGroup {
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| public:
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| 	RadioenumGroup() = default;
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| 	RadioenumGroup(Enum value) : _group(static_cast<int>(value)) {
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| 	}
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| 
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| 	template <typename Callback>
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| 	void setChangedCallback(Callback &&callback) {
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| 		_group.setChangedCallback([callback](int value) {
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| 			callback(static_cast<Enum>(value));
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| 		});
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| 	}
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| 
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| 	bool hasValue() const {
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| 		return _group.hasValue();
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| 	}
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| 	Enum value() const {
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| 		return static_cast<Enum>(_group.value());
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| 	}
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| 	void setValue(Enum value) {
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| 		_group.setValue(static_cast<int>(value));
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| 	}
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| 
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| private:
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| 	template <typename OtherEnum>
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| 	friend class Radioenum;
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| 
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| 	RadiobuttonGroup _group;
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| 
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| };
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| 
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| template <typename Enum>
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| class Radioenum : public Radiobutton {
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| public:
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| 	Radioenum(
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| 		QWidget *parent,
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| 		const std::shared_ptr<RadioenumGroup<Enum>> &group,
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| 		Enum value,
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| 		const QString &text,
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| 		const style::Checkbox &st = st::defaultCheckbox)
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| 	: Radiobutton(
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| 		parent,
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| 		std::shared_ptr<RadiobuttonGroup>(group, &group->_group),
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| 		static_cast<int>(value),
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| 		text,
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| 		st) {
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| 	}
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| 	Radioenum(
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| 		QWidget *parent,
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| 		const std::shared_ptr<RadioenumGroup<Enum>> &group,
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| 		Enum value,
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| 		const QString &text,
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| 		const style::Checkbox &st,
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| 		std::unique_ptr<AbstractCheckView> check)
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| 		: Radiobutton(
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| 			parent,
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| 			std::shared_ptr<RadiobuttonGroup>(group, &group->_group),
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| 			static_cast<int>(value),
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| 			text,
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| 			st,
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| 			std::move(check)) {
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| 	}
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| 
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| };
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| 
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| } // namespace Ui
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