base::lambda -> Fn (type alias for std::function). base::lambda_once -> FnMut (type alias for base::unique_function). base::lambda_guarded -> crl::guard. base::lambda_call_type_t -> crl::deduced_call_type.
		
			
				
	
	
		
			110 lines
		
	
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			110 lines
		
	
	
	
		
			2.4 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 "base/timer.h"
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namespace style {
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struct Tooltip;
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struct ImportantTooltip;
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} // namespace style
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namespace Ui {
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class AbstractTooltipShower {
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public:
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	virtual QString tooltipText() const = 0;
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	virtual QPoint tooltipPos() const = 0;
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	virtual bool tooltipWindowActive() const;
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	virtual const style::Tooltip *tooltipSt() const;
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	virtual ~AbstractTooltipShower();
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};
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class Tooltip : public TWidget {
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	Q_OBJECT
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public:
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	static void Show(int32 delay, const AbstractTooltipShower *shower);
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	static void Hide();
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private slots:
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	void onWndActiveChanged();
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protected:
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	void paintEvent(QPaintEvent *e) override;
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	void hideEvent(QHideEvent *e) override;
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	bool eventFilter(QObject *o, QEvent *e) override;
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private:
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	void performShow();
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	Tooltip();
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	~Tooltip();
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	void popup(const QPoint &p, const QString &text, const style::Tooltip *st);
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	friend class AbstractTooltipShower;
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	const AbstractTooltipShower *_shower = nullptr;
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	base::Timer _showTimer;
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	Text _text;
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	QPoint _point;
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	const style::Tooltip *_st = nullptr;
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	base::Timer _hideByLeaveTimer;
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	bool _isEventFilter = false;
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	bool _useTransparency = true;
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};
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class ImportantTooltip : public TWidget {
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public:
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	ImportantTooltip(QWidget *parent, object_ptr<TWidget> content, const style::ImportantTooltip &st);
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	void pointAt(QRect area, RectParts preferSide = RectPart::Top | RectPart::Left);
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	void toggleAnimated(bool visible);
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	void toggleFast(bool visible);
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	void hideAfter(TimeMs timeout);
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	void setHiddenCallback(Fn<void()> callback) {
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		_hiddenCallback = std::move(callback);
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	}
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protected:
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	void resizeEvent(QResizeEvent *e);
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	void paintEvent(QPaintEvent *e);
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private:
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	void animationCallback();
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	QRect countInner() const;
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	void setArea(QRect area);
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	void countApproachSide(RectParts preferSide);
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	void updateGeometry();
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	void checkAnimationFinish();
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	void refreshAnimationCache();
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	base::Timer _hideTimer;
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	const style::ImportantTooltip &_st;
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	object_ptr<TWidget> _content;
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	QRect _area;
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	RectParts _side = RectPart::Top | RectPart::Left;
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	QPixmap _arrow;
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	Animation _visibleAnimation;
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	bool _visible = false;
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	Fn<void()> _hiddenCallback;
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	bool _useTransparency = true;
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	QPixmap _cache;
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};
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} // namespace Ui
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