131 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			131 lines
		
	
	
	
		
			3.2 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/rp_widget.h"
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| #include "ui/effects/animations.h"
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| 
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| class Painter;
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| 
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| namespace style {
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| struct MessageBar;
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| } // namespace style
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| 
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| namespace Ui {
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| 
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| class SpoilerAnimation;
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| 
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| struct MessageBarContent {
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| 	int index = 0;
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| 	int count = 1;
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| 	QString title;
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| 	TextWithEntities text;
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| 	std::any context;
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| 	QImage preview;
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| 	Fn<void()> spoilerRepaint;
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| 	style::margins margins;
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| };
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| 
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| class MessageBar final {
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| public:
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| 	MessageBar(
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| 		not_null<QWidget*> parent,
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| 		const style::MessageBar &st,
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| 		Fn<bool()> customEmojiPaused);
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| 
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| 	void set(MessageBarContent &&content);
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| 	void set(rpl::producer<MessageBarContent> content);
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| 
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| 	[[nodiscard]] not_null<RpWidget*> widget() {
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| 		return &_widget;
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| 	}
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| 
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| 	void customEmojiRepaint();
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| 	void finishAnimating();
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| 
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| private:
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| 	enum class BodyAnimation : char {
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| 		Full,
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| 		Text,
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| 		None,
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| 	};
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| 	struct Animation {
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| 		Animations::Simple bodyMoved;
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| 		Animations::Simple imageShown;
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| 		Animations::Simple barScroll;
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| 		Animations::Simple barTop;
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| 		QPixmap bodyOrTextFrom;
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| 		QPixmap bodyOrTextTo;
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| 		QPixmap titleSame;
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| 		QPixmap titleFrom;
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| 		QPixmap titleTo;
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| 		QPixmap imageFrom;
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| 		QPixmap imageTo;
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| 		std::unique_ptr<SpoilerAnimation> spoilerFrom;
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| 		BodyAnimation bodyAnimation = BodyAnimation::None;
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| 		RectPart movingTo = RectPart::None;
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| 	};
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| 	struct BarState {
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| 		float64 scroll = 0.;
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| 		float64 size = 0.;
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| 		float64 skip = 0.;
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| 		float64 offset = 0.;
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| 	};
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| 	void setup();
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| 	void paint(Painter &p);
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| 	void paintLeftBar(Painter &p);
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| 	void tweenTo(MessageBarContent &&content);
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| 	void updateFromContent(MessageBarContent &&content);
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| 	[[nodiscard]] QPixmap prepareImage(const QImage &preview);
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| 
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| 	[[nodiscard]] QRect imageRect() const;
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| 	[[nodiscard]] QRect titleRangeRect(int from, int till) const;
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| 	[[nodiscard]] QRect bodyRect(bool withImage) const;
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| 	[[nodiscard]] QRect bodyRect() const;
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| 	[[nodiscard]] QRect textRect() const;
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| 
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| 	auto makeGrabGuard();
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| 	[[nodiscard]] QPixmap grabBodyOrTextPart(BodyAnimation type);
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| 	[[nodiscard]] QPixmap grabTitleBase(int till);
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| 	[[nodiscard]] QPixmap grabTitlePart(int from);
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| 	[[nodiscard]] QPixmap grabTitleRange(int from, int till);
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| 	[[nodiscard]] QPixmap grabImagePart();
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| 	[[nodiscard]] QPixmap grabBodyPart();
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| 	[[nodiscard]] QPixmap grabTextPart();
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| 
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| 	[[nodiscard]] BarState countBarState(int index) const;
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| 	[[nodiscard]] BarState countBarState() const;
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| 	void ensureGradientsCreated(int size);
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| 
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| 	void paintImageWithSpoiler(
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| 		QPainter &p,
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| 		QRect rect,
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| 		const QPixmap &image,
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| 		SpoilerAnimation *spoiler,
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| 		crl::time now,
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| 		bool paused) const;
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| 
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| 	[[nodiscard]] static BodyAnimation DetectBodyAnimationType(
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| 		Animation *currentAnimation,
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| 		const MessageBarContent ¤tContent,
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| 		const MessageBarContent &nextContent);
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| 
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| 	const style::MessageBar &_st;
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| 	RpWidget _widget;
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| 	Fn<bool()> _customEmojiPaused;
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| 	MessageBarContent _content;
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| 	rpl::lifetime _contentLifetime;
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| 	Text::String _title, _text;
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| 	QPixmap _image, _topBarGradient, _bottomBarGradient;
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| 	std::unique_ptr<Animation> _animation;
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| 	std::unique_ptr<SpoilerAnimation> _spoiler;
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| 	bool _customEmojiRepaintScheduled = false;
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| 
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| };
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| 
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| } // namespace Ui
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