105 lines
		
	
	
	
		
			3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
	
		
			3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/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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#include "ui/widgets/inner_dropdown.h"
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#include "ui/widgets/menu/menu.h"
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namespace Ui {
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class DropdownMenu : public InnerDropdown {
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	Q_OBJECT
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public:
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	DropdownMenu(QWidget *parent, const style::DropdownMenu &st = st::defaultDropdownMenu);
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	not_null<QAction*> addAction(base::unique_qptr<Menu::ItemBase> widget);
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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 setHiddenCallback(Fn<void()> callback) {
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		_hiddenCallback = std::move(callback);
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	}
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	[[nodiscard]] const std::vector<not_null<QAction*>> &actions() const;
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	[[nodiscard]] bool empty() const;
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	[[nodiscard]] not_null<Menu::Menu*> menu() const {
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		return _menu;
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	}
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	~DropdownMenu();
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protected:
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	void focusOutEvent(QFocusEvent *e) override;
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	void hideEvent(QHideEvent *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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private Q_SLOTS:
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	void onHidden() {
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		hideFinish();
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	}
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private:
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	// Not ready with submenus yet.
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	DropdownMenu(QWidget *parent, QMenu *menu, const style::DropdownMenu &st = st::defaultDropdownMenu);
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	void deleteOnHide(bool del);
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	void popup(const QPoint &p);
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	void hideMenu(bool fast = false);
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	void childHiding(DropdownMenu *child);
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	void init();
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	void hideFinish();
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	using TriggeredSource = Menu::TriggeredSource;
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	void handleActivated(const Menu::CallbackData &data);
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	void handleTriggered(const Menu::CallbackData &data);
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	void forwardKeyPress(not_null<QKeyEvent*> e);
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	bool handleKeyPress(int key);
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	void forwardMouseMove(QPoint globalPosition) {
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		_menu->handleMouseMove(globalPosition);
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	}
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	void handleMouseMove(QPoint globalPosition);
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	void forwardMousePress(QPoint globalPosition) {
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		_menu->handleMousePress(globalPosition);
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	}
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	void handleMousePress(QPoint globalPosition);
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	void forwardMouseRelease(QPoint globalPosition) {
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		_menu->handleMouseRelease(globalPosition);
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	}
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	void handleMouseRelease(QPoint globalPosition);
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	using SubmenuPointer = QPointer<DropdownMenu>;
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	bool popupSubmenuFromAction(const Menu::CallbackData &data);
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	void popupSubmenu(SubmenuPointer submenu, int actionTop, TriggeredSource source);
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	void showMenu(const QPoint &p, DropdownMenu *parent, TriggeredSource source);
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	const style::DropdownMenu &_st;
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	Fn<void()> _hiddenCallback;
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	QPointer<Menu::Menu> _menu;
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	// Not ready with submenus yet.
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	//using Submenus = QMap<QAction*, SubmenuPointer>;
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	//Submenus _submenus;
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	DropdownMenu *_parent = nullptr;
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	SubmenuPointer _activeSubmenu;
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	bool _deleteOnHide = false;
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	bool _triggering = false;
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	bool _deleteLater = false;
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};
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} // namespace Ui
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