78 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
	
		
			1.7 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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| 
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| namespace Ui {
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| 
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| class VerticalLayout : public RpWidget {
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| public:
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| 	using RpWidget::RpWidget;
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| 
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| 	int count() const {
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| 		return _rows.size();
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| 	}
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| 
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| 	template <
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| 		typename Widget,
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| 		typename = std::enable_if_t<
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| 			std::is_base_of_v<RpWidget, Widget>>>
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| 	Widget *insert(
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| 			int atPosition,
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| 			object_ptr<Widget> &&child,
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| 			const style::margins &margin = style::margins()) {
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| 		return static_cast<Widget*>(insertChild(
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| 			atPosition,
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| 			std::move(child),
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| 			margin));
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| 	}
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| 
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| 	template <
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| 		typename Widget,
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| 		typename = std::enable_if_t<
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| 			std::is_base_of_v<RpWidget, Widget>>>
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| 	Widget *add(
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| 			object_ptr<Widget> &&child,
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| 			const style::margins &margin = style::margins()) {
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| 		return insert(count(), std::move(child), margin);
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| 	}
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| 
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| 	QMargins getMargins() const override;
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| 	int naturalWidth() const override;
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| 
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| protected:
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| 	int resizeGetHeight(int newWidth) override;
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| 	void visibleTopBottomUpdated(
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| 		int visibleTop,
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| 		int visibleBottom) override;
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| 
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| private:
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| 	RpWidget *insertChild(
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| 		int addPosition,
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| 		object_ptr<RpWidget> child,
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| 		const style::margins &margin);
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| 	void childHeightUpdated(RpWidget *child);
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| 	void removeChild(RpWidget *child);
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| 	void updateChildGeometry(
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| 		const style::margins &margins,
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| 		RpWidget *child,
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| 		const style::margins &margin,
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| 		int width,
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| 		int top) const;
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| 
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| 	struct Row {
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| 		object_ptr<RpWidget> widget;
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| 		style::margins margin;
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| 	};
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| 	std::vector<Row> _rows;
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| 	bool _inResize = false;
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| 
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| };
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| 
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| } // namespace Ui
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