godot/scene/gui/popup.h

/*************************************************************************/
/*  popup.h                                                              */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
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#ifndef POPUP_H
#define POPUP_H

#include "scene/gui/control.h"

/**
	@author Juan Linietsky <reduzio@gmail.com>
*/
class Popup : public Control {

	GDCLASS(Popup, Control);

	bool exclusive;
	bool popped_up;

private:
	void _popup(const Rect2 &p_bounds = Rect2(), const bool p_centered = false);

protected:
	virtual void _post_popup() {}

	void _gui_input(Ref<InputEvent> p_event);
	void _notification(int p_what);
	virtual void _fix_size();
	static void _bind_methods();

public:
	enum {
		NOTIFICATION_POST_POPUP = 80,
		NOTIFICATION_POPUP_HIDE = 81
	};

	void set_exclusive(bool p_exclusive);
	bool is_exclusive() const;

	void popup_centered_ratio(float p_screen_ratio = 0.75);
	void popup_centered(const Size2 &p_size = Size2());
	void popup_centered_minsize(const Size2 &p_minsize = Size2());
	void set_as_minsize();
	void popup_centered_clamped(const Size2 &p_size = Size2(), float p_fallback_ratio = 0.75);
	virtual void popup(const Rect2 &p_bounds = Rect2());

	virtual String get_configuration_warning() const;

	Popup();
	~Popup();
};

class PopupPanel : public Popup {

	GDCLASS(PopupPanel, Popup);

protected:
	void _update_child_rects();
	void _notification(int p_what);

public:
	void set_child_rect(Control *p_child);
	virtual Size2 get_minimum_size() const;
	PopupPanel();
};

#endif