147 lines
		
	
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			147 lines
		
	
	
	
		
			4.3 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 "styles/style_widgets.h"
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namespace Ui {
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class ToggleView;
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class RippleAnimation;
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class Menu : public TWidget {
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	Q_OBJECT
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public:
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	Menu(QWidget *parent, const style::Menu &st = st::defaultMenu);
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	Menu(QWidget *parent, QMenu *menu, const style::Menu &st = st::defaultMenu);
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	not_null<QAction*> addAction(const QString &text, const QObject *receiver, const char* member, const style::icon *icon = nullptr, const style::icon *iconOver = nullptr);
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	not_null<QAction*> addAction(const QString &text, Fn<void()> callback, const style::icon *icon = nullptr, const style::icon *iconOver = nullptr);
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	not_null<QAction*> addSeparator();
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	void clearActions();
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	void finishAnimating();
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	void clearSelection();
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	enum class TriggeredSource {
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		Mouse,
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		Keyboard,
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	};
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	void setChildShown(bool shown) {
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		_childShown = shown;
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	}
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	void setShowSource(TriggeredSource source);
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	void setForceWidth(int forceWidth);
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	const std::vector<not_null<QAction*>> &actions() const;
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	void setResizedCallback(Fn<void()> callback) {
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		_resizedCallback = std::move(callback);
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	}
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	void setActivatedCallback(Fn<void(QAction *action, int actionTop, TriggeredSource source)> callback) {
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		_activatedCallback = std::move(callback);
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	}
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	void setTriggeredCallback(Fn<void(QAction *action, int actionTop, TriggeredSource source)> callback) {
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		_triggeredCallback = std::move(callback);
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	}
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	void setKeyPressDelegate(Fn<bool(int key)> delegate) {
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		_keyPressDelegate = std::move(delegate);
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	}
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	void handleKeyPress(int key);
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	void setMouseMoveDelegate(Fn<void(QPoint globalPosition)> delegate) {
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		_mouseMoveDelegate = std::move(delegate);
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	}
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	void handleMouseMove(QPoint globalPosition);
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	void setMousePressDelegate(Fn<void(QPoint globalPosition)> delegate) {
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		_mousePressDelegate = std::move(delegate);
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	}
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	void handleMousePress(QPoint globalPosition);
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	void setMouseReleaseDelegate(Fn<void(QPoint globalPosition)> delegate) {
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		_mouseReleaseDelegate = std::move(delegate);
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	}
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	void handleMouseRelease(QPoint globalPosition);
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protected:
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	void paintEvent(QPaintEvent *e) override;
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	void keyPressEvent(QKeyEvent *e) override;
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	void mouseMoveEvent(QMouseEvent *e) override;
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	void mousePressEvent(QMouseEvent *e) override;
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	void mouseReleaseEvent(QMouseEvent *e) override;
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	void enterEventHook(QEvent *e) override;
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	void leaveEventHook(QEvent *e) override;
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private slots:
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	void actionChanged();
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private:
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	struct ActionData {
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		ActionData() = default;
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		ActionData(const ActionData &other) = delete;
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		ActionData &operator=(const ActionData &other) = delete;
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		ActionData(ActionData &&other) = default;
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		ActionData &operator=(ActionData &&other) = default;
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		~ActionData();
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		bool hasSubmenu = false;
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		QString text;
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		QString shortcut;
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		const style::icon *icon = nullptr;
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		const style::icon *iconOver = nullptr;
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		std::unique_ptr<RippleAnimation> ripple;
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		std::unique_ptr<ToggleView> toggle;
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	};
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	void updateSelected(QPoint globalPosition);
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	void init();
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	// Returns the new width.
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	int processAction(not_null<QAction*> action, int index, int width);
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	not_null<QAction*> addAction(not_null<QAction*> action, const style::icon *icon = nullptr, const style::icon *iconOver = nullptr);
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	void setSelected(int selected);
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	void setPressed(int pressed);
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	void clearMouseSelection();
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	int itemTop(int index);
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	void updateItem(int index);
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	void updateSelectedItem();
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	void itemPressed(TriggeredSource source);
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	void itemReleased(TriggeredSource source);
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	const style::Menu &_st;
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	Fn<void()> _resizedCallback;
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	Fn<void(QAction *action, int actionTop, TriggeredSource source)> _activatedCallback;
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	Fn<void(QAction *action, int actionTop, TriggeredSource source)> _triggeredCallback;
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	Fn<bool(int key)> _keyPressDelegate;
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	Fn<void(QPoint globalPosition)> _mouseMoveDelegate;
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	Fn<void(QPoint globalPosition)> _mousePressDelegate;
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	Fn<void(QPoint globalPosition)> _mouseReleaseDelegate;
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	QMenu *_wappedMenu = nullptr;
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	std::vector<not_null<QAction*>> _actions;
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	std::vector<ActionData> _actionsData;
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	int _forceWidth = 0;
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	int _itemHeight, _separatorHeight;
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	bool _mouseSelection = false;
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	int _selected = -1;
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	int _pressed = -1;
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	bool _childShown = false;
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};
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} // namespace Ui
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