code: /*************************************************************************/
  /*  popup_menu.cpp                                                       */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
  /*                                                                       */
  /* Permission is hereby granted, free of charge, to any person obtaining */
  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
  /* without limitation the rights to use, copy, modify, merge, publish,   */
  /* distribute, sublicense, and/or sell copies of the Software, and to    */
  /* permit persons to whom the Software is furnished to do so, subject to */
  /* the following conditions:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
  /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
  /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  
  #include "popup_menu.h"
  
  #include "core/input/input_filter.h"
  #include "core/os/keyboard.h"
  #include "core/os/os.h"
  #include "core/print_string.h"
  #include "core/translation.h"
  #include "scene/gui/control.h"
  
  String PopupMenu::_get_accel_text(int p_item) const {
  
  	ERR_FAIL_INDEX_V(p_item, items.size(), String());
  
  	if (items[p_item].shortcut.is_valid())
  		return items[p_item].shortcut->get_as_text();
  	else if (items[p_item].accel)
  		return keycode_get_string(items[p_item].accel);
  	return String();
  }
  
  Size2 PopupMenu::_get_contents_minimum_size() const {
  
  	int vseparation = get_theme_constant("vseparation");
  	int hseparation = get_theme_constant("hseparation");
  
  	Size2 minsize = get_theme_stylebox("panel")->get_minimum_size();
  	Ref<Font> font = get_theme_font("font");
  
  	float max_w = 0;
  	float icon_w = 0;
  	int font_h = font->get_height();
  	int check_w = MAX(get_theme_icon("checked")->get_width(), get_theme_icon("radio_checked")->get_width()) + hseparation;
  	int accel_max_w = 0;
  	bool has_check = false;
  
  	for (int i = 0; i < items.size(); i++) {
  
  		Size2 size;
  		if (!items[i].icon.is_null()) {
  
  			Size2 icon_size = items[i].icon->get_size();
  			size.height = MAX(icon_size.height, font_h);
  			icon_w = MAX(icon_size.width + hseparation, icon_w);
  		} else {
  
  			size.height = font_h;
  		}
  
  		size.width += items[i].h_ofs;
  
  		if (items[i].checkable_type)
  			has_check = true;
  
  		String text = items[i].xl_text;
  		size.width += font->get_string_size(text).width;
  		if (i > 0)
  			size.height += vseparation;
  
  		if (items[i].accel || (items[i].shortcut.is_valid() && items[i].shortcut->is_valid())) {
  
  			int accel_w = hseparation * 2;
  			accel_w += font->get_string_size(_get_accel_text(i)).width;
  			accel_max_w = MAX(accel_w, accel_max_w);
  		}
  
  		if (items[i].submenu != "")
  			size.width += get_theme_icon("submenu")->get_width();
  
  		max_w = MAX(max_w, size.width);
  
  		minsize.height += size.height;
  	}
  
  	minsize.width += max_w + icon_w + accel_max_w;
  	if (has_check)
  		minsize.width += check_w;
  
  	return minsize;
  }
  
  int PopupMenu::_get_mouse_over(const Point2 &p_over) const {
  
  	if (p_over.x < 0 || p_over.x >= get_size().width)
  		return -1;
  
  	Ref<StyleBox> style = get_theme_stylebox("panel");
  
  	Point2 ofs = style->get_offset();
  
  	if (ofs.y > p_over.y)
  		return -1;
  
  	Ref<Font> font = get_theme_font("font");
  	int vseparation = get_theme_constant("vseparation");
  	float font_h = font->get_height();
  
  	for (int i = 0; i < items.size(); i++) {
  
  		ofs.y += vseparation;
  		float h;
  
  		if (!items[i].icon.is_null()) {
  
  			Size2 icon_size = items[i].icon->get_size();
  			h = MAX(icon_size.height, font_h);
  		} else {
  
  			h = font_h;
  		}
  
  		ofs.y += h;
  		if (p_over.y < ofs.y) {
  			return i;
  		}
  	}
  
  	return -1;
  }
  
  void PopupMenu::_activate_submenu(int over) {
  
  	Node *n = get_node(items[over].submenu);
  	ERR_FAIL_COND_MSG(!n, "Item subnode does not exist: " + items[over].submenu + ".");
  	Popup *pm = Object::cast_to<Popup>(n);
  	ERR_FAIL_COND_MSG(!pm, "Item subnode is not a Popup: " + items[over].submenu + ".");
  	if (pm->is_visible())
  		return; //already visible!
  
  	Point2 p = get_position();
  	Rect2 pr(p, get_size());
  	Ref<StyleBox> style = get_theme_stylebox("panel");
  
  	Point2 pos = p + Point2(get_size().width, items[over]._ofs_cache - style->get_offset().y);
  	Size2 size = pm->get_size();
  	// fix pos
  	if (pos.x + size.width > get_parent_rect().size.width)
  		pos.x = p.x - size.width;
  
  	pm->set_position(pos);
  	//	pm->set_scale(get_global_transform().get_scale());
  	pm->popup();
  
  	PopupMenu *pum = Object::cast_to<PopupMenu>(pm);
  	if (pum) {
  
  		pr.position -= pum->get_position();
  		pum->clear_autohide_areas();
  		pum->add_autohide_area(Rect2(pr.position.x, pr.position.y, pr.size.x, items[over]._ofs_cache));
  		if (over < items.size() - 1) {
  			int from = items[over + 1]._ofs_cache;
  			pum->add_autohide_area(Rect2(pr.position.x, pr.position.y + from, pr.size.x, pr.size.y - from));
  		}
  	}
  }
  
  void PopupMenu::_submenu_timeout() {
  
  	//if (!has_focus()) {
  	//	return; //do not activate if not has focus
  	//}
  	if (mouse_over == submenu_over)
  		_activate_submenu(mouse_over);
  
  	submenu_over = -1;
  }
  
  void PopupMenu::_scroll(float p_factor, const Point2 &p_over) {
  
  	int vseparation = get_theme_constant("vseparation");
  	Ref<Font> font = get_theme_font("font");
  
  	Rect2 visible_rect = get_usable_parent_rect();
  
  	int dy = (vseparation + font->get_height()) * 3 * p_factor;
  	if (dy > 0) {
  		const float global_top = get_position().y;
  		const float limit = global_top < visible_rect.position.y ? visible_rect.position.y - global_top : 0;
  		dy = MIN(dy, limit);
  	} else if (dy < 0) {
  		const float global_bottom = get_position().y + get_size().y;
  		const float viewport_height = visible_rect.position.y + visible_rect.size.y;
  		const float limit = global_bottom > viewport_height ? global_bottom - viewport_height : 0;
  		dy = -MIN(-dy, limit);
  	}
  
  	if (dy == 0) {
  		return;
  	}
  
  	set_position(get_position() + Vector2(0, dy));
  
  	Ref<InputEventMouseMotion> ie;
  	ie.instance();
  	ie->set_position(p_over - Vector2(0, dy));
  	_gui_input(ie);
  }
  
  void PopupMenu::_gui_input(const Ref<InputEvent> &p_event) {
  
  	if (p_event->is_action("ui_down") && p_event->is_pressed()) {
  
  		int search_from = mouse_over + 1;
  		if (search_from >= items.size())
  			search_from = 0;
  
  		for (int i = search_from; i < items.size(); i++) {
  
  			if (i < 0 || i >= items.size())
  				continue;
  
  			if (!items[i].separator && !items[i].disabled) {
  
  				mouse_over = i;
  				emit_signal("id_focused", i);
  				control->update();
  				set_input_as_handled();
  				break;
  			}
  		}
  	} else if (p_event->is_action("ui_up") && p_event->is_pressed()) {
  
  		int search_from = mouse_over - 1;
  		if (search_from < 0)
  			search_from = items.size() - 1;
  
  		for (int i = search_from; i >= 0; i--) {
  
  			if (i >= items.size())
  				continue;
  
  			if (!items[i].separator && !items[i].disabled) {
  
  				mouse_over = i;
  				emit_signal("id_focused", i);
  				control->update();
  				set_input_as_handled();
  				break;
  			}
  		}
  	} else if (p_event->is_action("ui_left") && p_event->is_pressed()) {
  
  		Node *n = get_parent();
  		if (n && Object::cast_to<PopupMenu>(n)) {
  			hide();
  			set_input_as_handled();
  		}
  	} else if (p_event->is_action("ui_right") && p_event->is_pressed()) {
  
  		if (mouse_over >= 0 && mouse_over < items.size() && !items[mouse_over].separator && items[mouse_over].submenu != "" && submenu_over != mouse_over) {
  			_activate_submenu(mouse_over);
  			set_input_as_handled();
  		}
  	} else if (p_event->is_action("ui_accept") && p_event->is_pressed()) {
  
  		if (mouse_over >= 0 && mouse_over < items.size() && !items[mouse_over].separator) {
  
  			if (items[mouse_over].submenu != "" && submenu_over != mouse_over) {
  				_activate_submenu(mouse_over);
  			} else {
  				activate_item(mouse_over);
  			}
  			set_input_as_handled();
  		}
  	}
  
  	Ref<InputEventMouseButton> b = p_event;
  
  	if (b.is_valid()) {
  
  		if (b->is_pressed())
  			return;
  
  		int button_idx = b->get_button_index();
  		switch (button_idx) {
  
  			case BUTTON_WHEEL_DOWN: {
  
  				_scroll(-b->get_factor(), b->get_position());
  			} break;
  			case BUTTON_WHEEL_UP: {
  
  				_scroll(b->get_factor(), b->get_position());
  			} break;
  			default: {
  				// Allow activating item by releasing the LMB or any that was down when the popup appeared
  				if (button_idx == BUTTON_LEFT || (initial_button_mask & (1 << (button_idx - 1)))) {
  
  					bool was_during_grabbed_click = during_grabbed_click;
  					during_grabbed_click = false;
  					initial_button_mask = 0;
  
  					int over = _get_mouse_over(b->get_position());
  
  					if (invalidated_click) {
  						invalidated_click = false;
  						break;
  					}
  					if (over < 0) {
  						if (!was_during_grabbed_click) {
  							hide();
  						}
  						break; //non-activable
  					}
  
  					if (items[over].separator || items[over].disabled)
  						break;
  
  					if (items[over].submenu != "") {
  
  						_activate_submenu(over);
  						return;
  					}
  					activate_item(over);
  				}
  			}
  		}
  
  		//control->update();
  	}
  
  	Ref<InputEventMouseMotion> m = p_event;
  
  	if (m.is_valid()) {
  
  		if (invalidated_click) {
  			moved += m->get_relative();
  			if (moved.length() > 4)
  				invalidated_click = false;
  		}
  
  		for (List<Rect2>::Element *E = autohide_areas.front(); E; E = E->next()) {
  
  			if (!Rect2(Point2(), get_size()).has_point(m->get_position()) && E->get().has_point(m->get_position())) {
  
  				_close_pressed();
  				return;
  			}
  		}
  
  		int over = _get_mouse_over(m->get_position());
  		int id = (over < 0 || items[over].separator || items[over].disabled) ? -1 : (items[over].id >= 0 ? items[over].id : over);
  
  		if (id < 0) {
  			mouse_over = -1;
  			control->update();
  			return;
  		}
  
  		if (items[over].submenu != "" && submenu_over != over) {
  			submenu_over = over;
  			submenu_timer->start();
  		}
  
  		if (over != mouse_over) {
  			mouse_over = over;
  			control->update();
  		}
  	}
  
  	Ref<InputEventPanGesture> pan_gesture = p_event;
  	if (pan_gesture.is_valid()) {
  		_scroll(-pan_gesture->get_delta().y, pan_gesture->get_position());
  	}
  
  	Ref<InputEventKey> k = p_event;
  
  	if (allow_search && k.is_valid() && k->get_unicode()) {
  
  		uint64_t now = OS::get_singleton()->get_ticks_msec();
  		uint64_t diff = now - search_time_msec;
  		uint64_t max_interval = uint64_t(GLOBAL_DEF("gui/timers/incremental_search_max_interval_msec", 2000));
  		search_time_msec = now;
  
  		if (diff > max_interval) {
  			search_string = "";
  		}
  
  		if (String::chr(k->get_unicode()) != search_string)
  			search_string += String::chr(k->get_unicode());
  
  		for (int i = mouse_over + 1; i <= items.size(); i++) {
  			if (i == items.size()) {
  				if (mouse_over <= 0)
  					break;
  				else
  					i = 0;
  			}
  
  			if (i == mouse_over)
  				break;
  
  			if (items[i].text.findn(search_string) == 0) {
  				mouse_over = i;
  				emit_signal("id_focused", i);
  				control->update();
  				set_input_as_handled();
  				break;
  			}
  		}
  	}
  }
  
  void PopupMenu::_draw() {
  
  	RID ci = control->get_canvas_item();
  	Size2 size = get_size();
  
  	Ref<StyleBox> style = get_theme_stylebox("panel");
  	Ref<StyleBox> hover = get_theme_stylebox("hover");
  	Ref<Font> font = get_theme_font("font");
  	// In Item::checkable_type enum order (less the non-checkable member)
  	Ref<Texture2D> check[] = { get_theme_icon("checked"), get_theme_icon("radio_checked") };
  	Ref<Texture2D> uncheck[] = { get_theme_icon("unchecked"), get_theme_icon("radio_unchecked") };
  	Ref<Texture2D> submenu = get_theme_icon("submenu");
  	Ref<StyleBox> separator = get_theme_stylebox("separator");
  	Ref<StyleBox> labeled_separator_left = get_theme_stylebox("labeled_separator_left");
  	Ref<StyleBox> labeled_separator_right = get_theme_stylebox("labeled_separator_right");
  
  	style->draw(ci, Rect2(Point2(), get_size()));
  	Point2 ofs = style->get_offset();
  	int vseparation = get_theme_constant("vseparation");
  	int hseparation = get_theme_constant("hseparation");
  	Color font_color = get_theme_color("font_color");
  	Color font_color_disabled = get_theme_color("font_color_disabled");
  	Color font_color_accel = get_theme_color("font_color_accel");
  	Color font_color_hover = get_theme_color("font_color_hover");
  	float font_h = font->get_height();
  
  	// Add the check and the wider icon to the offset of all items.
  	float icon_ofs = 0.0;
  	bool has_check = false;
  	for (int i = 0; i < items.size(); i++) {
  
  		if (!items[i].icon.is_null())
  			icon_ofs = MAX(items[i].icon->get_size().width, icon_ofs);
  
  		if (items[i].checkable_type)
  			has_check = true;
  	}
  	if (icon_ofs > 0.0)
  		icon_ofs += hseparation;
  
  	float check_ofs = 0.0;
  	if (has_check)
  		check_ofs = MAX(get_theme_icon("checked")->get_width(), get_theme_icon("radio_checked")->get_width()) + hseparation;
  
  	for (int i = 0; i < items.size(); i++) {
  
  		if (i > 0)
  			ofs.y += vseparation;
  		Point2 item_ofs = ofs;
  		Size2 icon_size;
  		float h;
  
  		if (!items[i].icon.is_null()) {
  
  			icon_size = items[i].icon->get_size();
  			h = MAX(icon_size.height, font_h);
  		} else {
  
  			h = font_h;
  		}
  
  		if (i == mouse_over) {
  
  			hover->draw(ci, Rect2(item_ofs + Point2(-hseparation, -vseparation / 2), Size2(get_size().width - style->get_minimum_size().width + hseparation * 2, h + vseparation)));
  		}
  
  		String text = items[i].xl_text;
  
  		item_ofs.x += items[i].h_ofs;
  		if (items[i].separator) {
  
  			int sep_h = separator->get_center_size().height + separator->get_minimum_size().height;
  			if (text != String()) {
  				int ss = font->get_string_size(text).width;
  				int center = (get_size().width) / 2;
  				int l = center - ss / 2;
  				int r = center + ss / 2;
  				if (l > item_ofs.x) {
  					labeled_separator_left->draw(ci, Rect2(item_ofs + Point2(0, Math::floor((h - sep_h) / 2.0)), Size2(MAX(0, l - item_ofs.x), sep_h)));
  				}
  				if (r < get_size().width - style->get_margin(MARGIN_RIGHT)) {
  					labeled_separator_right->draw(ci, Rect2(Point2(r, item_ofs.y + Math::floor((h - sep_h) / 2.0)), Size2(MAX(0, get_size().width - style->get_margin(MARGIN_RIGHT) - r), sep_h)));
  				}
  			} else {
  				separator->draw(ci, Rect2(item_ofs + Point2(0, Math::floor((h - sep_h) / 2.0)), Size2(get_size().width - style->get_minimum_size().width, sep_h)));
  			}
  		}
  
  		Color icon_color(1, 1, 1, items[i].disabled ? 0.5 : 1);
  
  		if (items[i].checkable_type) {
  			Texture2D *icon = (items[i].checked ? check[items[i].checkable_type - 1] : uncheck[items[i].checkable_type - 1]).ptr();
  			icon->draw(ci, item_ofs + Point2(0, Math::floor((h - icon->get_height()) / 2.0)), icon_color);
  		}
  
  		if (!items[i].icon.is_null()) {
  			items[i].icon->draw(ci, item_ofs + Size2(check_ofs, 0) + Point2(0, Math::floor((h - icon_size.height) / 2.0)), icon_color);
  		}
  
  		if (items[i].submenu != "") {
  			submenu->draw(ci, Point2(size.width - style->get_margin(MARGIN_RIGHT) - submenu->get_width(), item_ofs.y + Math::floor(h - submenu->get_height()) / 2), icon_color);
  		}
  
  		item_ofs.y += font->get_ascent();
  		if (items[i].separator) {
  
  			if (text != String()) {
  				int center = (get_size().width - font->get_string_size(text).width) / 2;
  				font->draw(ci, Point2(center, item_ofs.y + Math::floor((h - font_h) / 2.0)), text, font_color_disabled);
  			}
  		} else {
  
  			item_ofs.x += icon_ofs + check_ofs;
  			font->draw(ci, item_ofs + Point2(0, Math::floor((h - font_h) / 2.0)), text, items[i].disabled ? font_color_disabled : (i == mouse_over ? font_color_hover : font_color));
  		}
  
  		if (items[i].accel || (items[i].shortcut.is_valid() && items[i].shortcut->is_valid())) {
  			//accelerator
  			String text2 = _get_accel_text(i);
  			item_ofs.x = size.width - style->get_margin(MARGIN_RIGHT) - font->get_string_size(text2).width;
  			font->draw(ci, item_ofs + Point2(0, Math::floor((h - font_h) / 2.0)), text2, i == mouse_over ? font_color_hover : font_color_accel);
  		}
  
  		items.write[i]._ofs_cache = ofs.y;
  
  		ofs.y += h;
  	}
  }
  
  void PopupMenu::_notification(int p_what) {
  
  	switch (p_what) {
  
  		case NOTIFICATION_ENTER_TREE: {
  
  			PopupMenu *pm = Object::cast_to<PopupMenu>(get_parent());
  			if (pm) {
  				// Inherit submenu's popup delay time from parent menu
  				float pm_delay = pm->get_submenu_popup_delay();
  				set_submenu_popup_delay(pm_delay);
  			}
  		} break;
  		case NOTIFICATION_TRANSLATION_CHANGED: {
  
  			for (int i = 0; i < items.size(); i++) {
  				items.write[i].xl_text = tr(items[i].text);
  			}
  
  			child_controls_changed();
  			control->update();
  		} break;
  		case NOTIFICATION_WM_MOUSE_ENTER: {
  
  			//grab_focus();
  		} break;
  		case NOTIFICATION_WM_MOUSE_EXIT: {
  
  			if (mouse_over >= 0 && (items[mouse_over].submenu == "" || submenu_over != -1)) {
  				mouse_over = -1;
  				control->update();
  			}
  		} break;
  		case NOTIFICATION_POST_POPUP: {
  
  			initial_button_mask = InputFilter::get_singleton()->get_mouse_button_mask();
  			during_grabbed_click = (bool)initial_button_mask;
  		} break;
  		case NOTIFICATION_WM_SIZE_CHANGED: {
  
  		} break;
  		case NOTIFICATION_INTERNAL_PROCESS: {
  			//only used when using operating system windows
  			if (get_window_id() != DisplayServer::INVALID_WINDOW_ID && autohide_areas.size()) {
  				Point2 mouse_pos = DisplayServer::get_singleton()->mouse_get_position();
  				mouse_pos -= get_position();
  
  				for (List<Rect2>::Element *E = autohide_areas.front(); E; E = E->next()) {
  
  					if (!Rect2(Point2(), get_size()).has_point(mouse_pos) && E->get().has_point(mouse_pos)) {
  						_close_pressed();
  						return;
  					}
  				}
  			}
  		} break;
  		case NOTIFICATION_VISIBILITY_CHANGED: {
  
  			if (!is_visible()) {
  				if (mouse_over >= 0) {
  					mouse_over = -1;
  					control->update();
  				}
  
  				for (int i = 0; i < items.size(); i++) {
  					if (items[i].submenu == "")
  						continue;
  
  					Node *n = get_node(items[i].submenu);
  					if (!n)
  						continue;
  
  					PopupMenu *pm = Object::cast_to<PopupMenu>(n);
  					if (!pm || !pm->is_visible())
  						continue;
  
  					pm->hide();
  				}
  
  				set_process_internal(false);
  			} else {
  				if (get_window_id() != DisplayServer::INVALID_WINDOW_ID) {
  					set_process_internal(true);
  				}
  			}
  		} break;
  	}
  }
  
  /* Methods to add items with or without icon, checkbox, shortcut.
   * Be sure to keep them in sync when adding new properties in the Item struct.
   */
  
  #define ITEM_SETUP_WITH_ACCEL(p_label, p_id, p_accel) \
  	item.text = p_label;                              \
  	item.xl_text = tr(p_label);                       \
  	item.id = p_id == -1 ? items.size() : p_id;       \
  	item.accel = p_accel;
  
  void PopupMenu::add_item(const String &p_label, int p_id, uint32_t p_accel) {
  
  	Item item;
  	ITEM_SETUP_WITH_ACCEL(p_label, p_id, p_accel);
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_icon_item(const Ref<Texture2D> &p_icon, const String &p_label, int p_id, uint32_t p_accel) {
  
  	Item item;
  	ITEM_SETUP_WITH_ACCEL(p_label, p_id, p_accel);
  	item.icon = p_icon;
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_check_item(const String &p_label, int p_id, uint32_t p_accel) {
  
  	Item item;
  	ITEM_SETUP_WITH_ACCEL(p_label, p_id, p_accel);
  	item.checkable_type = Item::CHECKABLE_TYPE_CHECK_BOX;
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_icon_check_item(const Ref<Texture2D> &p_icon, const String &p_label, int p_id, uint32_t p_accel) {
  
  	Item item;
  	ITEM_SETUP_WITH_ACCEL(p_label, p_id, p_accel);
  	item.icon = p_icon;
  	item.checkable_type = Item::CHECKABLE_TYPE_CHECK_BOX;
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_radio_check_item(const String &p_label, int p_id, uint32_t p_accel) {
  
  	Item item;
  	ITEM_SETUP_WITH_ACCEL(p_label, p_id, p_accel);
  	item.checkable_type = Item::CHECKABLE_TYPE_RADIO_BUTTON;
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_icon_radio_check_item(const Ref<Texture2D> &p_icon, const String &p_label, int p_id, uint32_t p_accel) {
  
  	Item item;
  	ITEM_SETUP_WITH_ACCEL(p_label, p_id, p_accel);
  	item.icon = p_icon;
  	item.checkable_type = Item::CHECKABLE_TYPE_RADIO_BUTTON;
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_multistate_item(const String &p_label, int p_max_states, int p_default_state, int p_id, uint32_t p_accel) {
  
  	Item item;
  	ITEM_SETUP_WITH_ACCEL(p_label, p_id, p_accel);
  	item.max_states = p_max_states;
  	item.state = p_default_state;
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  #define ITEM_SETUP_WITH_SHORTCUT(p_shortcut, p_id, p_global)                           \
  	ERR_FAIL_COND_MSG(p_shortcut.is_null(), "Cannot add item with invalid ShortCut."); \
  	_ref_shortcut(p_shortcut);                                                         \
  	item.text = p_shortcut->get_name();                                                \
  	item.xl_text = tr(item.text);                                                      \
  	item.id = p_id == -1 ? items.size() : p_id;                                        \
  	item.shortcut = p_shortcut;                                                        \
  	item.shortcut_is_global = p_global;
  
  void PopupMenu::add_shortcut(const Ref<ShortCut> &p_shortcut, int p_id, bool p_global) {
  
  	Item item;
  	ITEM_SETUP_WITH_SHORTCUT(p_shortcut, p_id, p_global);
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_icon_shortcut(const Ref<Texture2D> &p_icon, const Ref<ShortCut> &p_shortcut, int p_id, bool p_global) {
  
  	Item item;
  	ITEM_SETUP_WITH_SHORTCUT(p_shortcut, p_id, p_global);
  	item.icon = p_icon;
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_check_shortcut(const Ref<ShortCut> &p_shortcut, int p_id, bool p_global) {
  
  	Item item;
  	ITEM_SETUP_WITH_SHORTCUT(p_shortcut, p_id, p_global);
  	item.checkable_type = Item::CHECKABLE_TYPE_CHECK_BOX;
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_icon_check_shortcut(const Ref<Texture2D> &p_icon, const Ref<ShortCut> &p_shortcut, int p_id, bool p_global) {
  
  	Item item;
  	ITEM_SETUP_WITH_SHORTCUT(p_shortcut, p_id, p_global);
  	item.icon = p_icon;
  	item.checkable_type = Item::CHECKABLE_TYPE_CHECK_BOX;
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_radio_check_shortcut(const Ref<ShortCut> &p_shortcut, int p_id, bool p_global) {
  
  	Item item;
  	ITEM_SETUP_WITH_SHORTCUT(p_shortcut, p_id, p_global);
  	item.checkable_type = Item::CHECKABLE_TYPE_RADIO_BUTTON;
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_icon_radio_check_shortcut(const Ref<Texture2D> &p_icon, const Ref<ShortCut> &p_shortcut, int p_id, bool p_global) {
  
  	Item item;
  	ITEM_SETUP_WITH_SHORTCUT(p_shortcut, p_id, p_global);
  	item.icon = p_icon;
  	item.checkable_type = Item::CHECKABLE_TYPE_RADIO_BUTTON;
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_submenu_item(const String &p_label, const String &p_submenu, int p_id) {
  
  	Item item;
  	item.text = p_label;
  	item.xl_text = tr(p_label);
  	item.id = p_id == -1 ? items.size() : p_id;
  	item.submenu = p_submenu;
  	items.push_back(item);
  	control->update();
  	child_controls_changed();
  }
  
  #undef ITEM_SETUP_WITH_ACCEL
  #undef ITEM_SETUP_WITH_SHORTCUT
  
  /* Methods to modify existing items. */
  
  void PopupMenu::set_item_text(int p_idx, const String &p_text) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].text = p_text;
  	items.write[p_idx].xl_text = tr(p_text);
  
  	control->update();
  	child_controls_changed();
  }
  void PopupMenu::set_item_icon(int p_idx, const Ref<Texture2D> &p_icon) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].icon = p_icon;
  
  	control->update();
  	child_controls_changed();
  }
  void PopupMenu::set_item_checked(int p_idx, bool p_checked) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  
  	items.write[p_idx].checked = p_checked;
  
  	control->update();
  	child_controls_changed();
  }
  void PopupMenu::set_item_id(int p_idx, int p_id) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].id = p_id;
  
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::set_item_accelerator(int p_idx, uint32_t p_accel) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].accel = p_accel;
  
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::set_item_metadata(int p_idx, const Variant &p_meta) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].metadata = p_meta;
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::set_item_disabled(int p_idx, bool p_disabled) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].disabled = p_disabled;
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::set_item_submenu(int p_idx, const String &p_submenu) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].submenu = p_submenu;
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::toggle_item_checked(int p_idx) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].checked = !items[p_idx].checked;
  	control->update();
  	child_controls_changed();
  }
  
  String PopupMenu::get_item_text(int p_idx) const {
  
  	ERR_FAIL_INDEX_V(p_idx, items.size(), "");
  	return items[p_idx].text;
  }
  
  int PopupMenu::get_item_idx_from_text(const String &text) const {
  
  	for (int idx = 0; idx < items.size(); idx++) {
  		if (items[idx].text == text)
  			return idx;
  	}
  
  	return -1;
  }
  
  Ref<Texture2D> PopupMenu::get_item_icon(int p_idx) const {
  
  	ERR_FAIL_INDEX_V(p_idx, items.size(), Ref<Texture2D>());
  	return items[p_idx].icon;
  }
  
  uint32_t PopupMenu::get_item_accelerator(int p_idx) const {
  
  	ERR_FAIL_INDEX_V(p_idx, items.size(), 0);
  	return items[p_idx].accel;
  }
  
  Variant PopupMenu::get_item_metadata(int p_idx) const {
  
  	ERR_FAIL_INDEX_V(p_idx, items.size(), Variant());
  	return items[p_idx].metadata;
  }
  
  bool PopupMenu::is_item_disabled(int p_idx) const {
  
  	ERR_FAIL_INDEX_V(p_idx, items.size(), false);
  	return items[p_idx].disabled;
  }
  
  bool PopupMenu::is_item_checked(int p_idx) const {
  
  	ERR_FAIL_INDEX_V(p_idx, items.size(), false);
  	return items[p_idx].checked;
  }
  
  int PopupMenu::get_item_id(int p_idx) const {
  
  	ERR_FAIL_INDEX_V(p_idx, items.size(), 0);
  	return items[p_idx].id;
  }
  
  int PopupMenu::get_item_index(int p_id) const {
  
  	for (int i = 0; i < items.size(); i++) {
  
  		if (items[i].id == p_id)
  			return i;
  	}
  
  	return -1;
  }
  
  String PopupMenu::get_item_submenu(int p_idx) const {
  
  	ERR_FAIL_INDEX_V(p_idx, items.size(), "");
  	return items[p_idx].submenu;
  }
  
  String PopupMenu::get_item_tooltip(int p_idx) const {
  
  	ERR_FAIL_INDEX_V(p_idx, items.size(), "");
  	return items[p_idx].tooltip;
  }
  
  Ref<ShortCut> PopupMenu::get_item_shortcut(int p_idx) const {
  
  	ERR_FAIL_INDEX_V(p_idx, items.size(), Ref<ShortCut>());
  	return items[p_idx].shortcut;
  }
  
  int PopupMenu::get_item_state(int p_idx) const {
  	ERR_FAIL_INDEX_V(p_idx, items.size(), -1);
  	return items[p_idx].state;
  }
  
  void PopupMenu::set_item_as_separator(int p_idx, bool p_separator) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].separator = p_separator;
  	control->update();
  }
  
  bool PopupMenu::is_item_separator(int p_idx) const {
  	ERR_FAIL_INDEX_V(p_idx, items.size(), false);
  	return items[p_idx].separator;
  }
  
  void PopupMenu::set_item_as_checkable(int p_idx, bool p_checkable) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].checkable_type = p_checkable ? Item::CHECKABLE_TYPE_CHECK_BOX : Item::CHECKABLE_TYPE_NONE;
  	control->update();
  }
  
  void PopupMenu::set_item_as_radio_checkable(int p_idx, bool p_radio_checkable) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].checkable_type = p_radio_checkable ? Item::CHECKABLE_TYPE_RADIO_BUTTON : Item::CHECKABLE_TYPE_NONE;
  	control->update();
  }
  
  void PopupMenu::set_item_tooltip(int p_idx, const String &p_tooltip) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].tooltip = p_tooltip;
  	control->update();
  }
  
  void PopupMenu::set_item_shortcut(int p_idx, const Ref<ShortCut> &p_shortcut, bool p_global) {
  	ERR_FAIL_INDEX(p_idx, items.size());
  	if (items[p_idx].shortcut.is_valid()) {
  		_unref_shortcut(items[p_idx].shortcut);
  	}
  	items.write[p_idx].shortcut = p_shortcut;
  	items.write[p_idx].shortcut_is_global = p_global;
  
  	if (items[p_idx].shortcut.is_valid()) {
  		_ref_shortcut(items[p_idx].shortcut);
  	}
  
  	control->update();
  }
  
  void PopupMenu::set_item_h_offset(int p_idx, int p_offset) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].h_ofs = p_offset;
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::set_item_multistate(int p_idx, int p_state) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].state = p_state;
  	control->update();
  }
  
  void PopupMenu::set_item_shortcut_disabled(int p_idx, bool p_disabled) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	items.write[p_idx].shortcut_is_disabled = p_disabled;
  	control->update();
  }
  
  void PopupMenu::toggle_item_multistate(int p_idx) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  	if (0 >= items[p_idx].max_states) {
  		return;
  	}
  
  	++items.write[p_idx].state;
  	if (items.write[p_idx].max_states <= items[p_idx].state)
  		items.write[p_idx].state = 0;
  
  	control->update();
  }
  
  bool PopupMenu::is_item_checkable(int p_idx) const {
  	ERR_FAIL_INDEX_V(p_idx, items.size(), false);
  	return items[p_idx].checkable_type;
  }
  
  bool PopupMenu::is_item_radio_checkable(int p_idx) const {
  	ERR_FAIL_INDEX_V(p_idx, items.size(), false);
  	return items[p_idx].checkable_type == Item::CHECKABLE_TYPE_RADIO_BUTTON;
  }
  
  bool PopupMenu::is_item_shortcut_disabled(int p_idx) const {
  
  	ERR_FAIL_INDEX_V(p_idx, items.size(), false);
  	return items[p_idx].shortcut_is_disabled;
  }
  
  int PopupMenu::get_item_count() const {
  
  	return items.size();
  }
  
  bool PopupMenu::activate_item_by_event(const Ref<InputEvent> &p_event, bool p_for_global_only) {
  
  	uint32_t code = 0;
  	Ref<InputEventKey> k = p_event;
  
  	if (k.is_valid()) {
  		code = k->get_keycode();
  		if (code == 0)
  			code = k->get_unicode();
  		if (k->get_control())
  			code |= KEY_MASK_CTRL;
  		if (k->get_alt())
  			code |= KEY_MASK_ALT;
  		if (k->get_metakey())
  			code |= KEY_MASK_META;
  		if (k->get_shift())
  			code |= KEY_MASK_SHIFT;
  	}
  
  	for (int i = 0; i < items.size(); i++) {
  		if (is_item_disabled(i) || items[i].shortcut_is_disabled)
  			continue;
  
  		if (items[i].shortcut.is_valid() && items[i].shortcut->is_shortcut(p_event) && (items[i].shortcut_is_global || !p_for_global_only)) {
  			activate_item(i);
  			return true;
  		}
  
  		if (code != 0 && items[i].accel == code) {
  			activate_item(i);
  			return true;
  		}
  
  		if (items[i].submenu != "") {
  			Node *n = get_node(items[i].submenu);
  			if (!n)
  				continue;
  
  			PopupMenu *pm = Object::cast_to<PopupMenu>(n);
  			if (!pm)
  				continue;
  
  			if (pm->activate_item_by_event(p_event, p_for_global_only)) {
  				return true;
  			}
  		}
  	}
  	return false;
  }
  
  void PopupMenu::activate_item(int p_item) {
  
  	ERR_FAIL_INDEX(p_item, items.size());
  	ERR_FAIL_COND(items[p_item].separator);
  	int id = items[p_item].id >= 0 ? items[p_item].id : p_item;
  
  	//hide all parent PopupMenus
  	Node *next = get_parent();
  	PopupMenu *pop = Object::cast_to<PopupMenu>(next);
  	while (pop) {
  		// We close all parents that are chained together,
  		// with hide_on_item_selection enabled
  
  		if (items[p_item].checkable_type) {
  			if (!hide_on_checkable_item_selection || !pop->is_hide_on_checkable_item_selection())
  				break;
  		} else if (0 < items[p_item].max_states) {
  			if (!hide_on_multistate_item_selection || !pop->is_hide_on_multistate_item_selection())
  				break;
  		} else if (!hide_on_item_selection || !pop->is_hide_on_item_selection())
  			break;
  
  		pop->hide();
  		next = next->get_parent();
  		pop = Object::cast_to<PopupMenu>(next);
  	}
  
  	// Hides popup by default; unless otherwise specified
  	// by using set_hide_on_item_selection and set_hide_on_checkable_item_selection
  
  	bool need_hide = true;
  
  	if (items[p_item].checkable_type) {
  		if (!hide_on_checkable_item_selection)
  			need_hide = false;
  	} else if (0 < items[p_item].max_states) {
  		if (!hide_on_multistate_item_selection)
  			need_hide = false;
  	} else if (!hide_on_item_selection)
  		need_hide = false;
  
  	emit_signal("id_pressed", id);
  	emit_signal("index_pressed", p_item);
  
  	if (need_hide) {
  		hide();
  	}
  }
  
  void PopupMenu::remove_item(int p_idx) {
  
  	ERR_FAIL_INDEX(p_idx, items.size());
  
  	if (items[p_idx].shortcut.is_valid()) {
  		_unref_shortcut(items[p_idx].shortcut);
  	}
  
  	items.remove(p_idx);
  	control->update();
  	child_controls_changed();
  }
  
  void PopupMenu::add_separator(const String &p_text) {
  
  	Item sep;
  	sep.separator = true;
  	sep.id = -1;
  	if (p_text != String()) {
  		sep.text = p_text;
  		sep.xl_text = tr(p_text);
  	}
  	items.push_back(sep);
  	control->update();
  }
  
  void PopupMenu::clear() {
  
  	for (int i = 0; i < items.size(); i++) {
  		if (items[i].shortcut.is_valid()) {
  			_unref_shortcut(items[i].shortcut);
  		}
  	}
  	items.clear();
  	mouse_over = -1;
  	control->update();
  	child_controls_changed();
  }
  
  Array PopupMenu::_get_items() const {
  
  	Array items;
  	for (int i = 0; i < get_item_count(); i++) {
  
  		items.push_back(get_item_text(i));
  		items.push_back(get_item_icon(i));
  		// For compatibility, use false/true for no/checkbox and integers for other values
  		int ct = this->items[i].checkable_type;
  		items.push_back(Variant(ct <= Item::CHECKABLE_TYPE_CHECK_BOX ? is_item_checkable(i) : ct));
  		items.push_back(is_item_checked(i));
  		items.push_back(is_item_disabled(i));
  
  		items.push_back(get_item_id(i));
  		items.push_back(get_item_accelerator(i));
  		items.push_back(get_item_metadata(i));
  		items.push_back(get_item_submenu(i));
  		items.push_back(is_item_separator(i));
  	}
  
  	return items;
  }
  
  void PopupMenu::_ref_shortcut(Ref<ShortCut> p_sc) {
  
  	if (!shortcut_refcount.has(p_sc)) {
  		shortcut_refcount[p_sc] = 1;
  		p_sc->connect("changed", callable_mp((CanvasItem *)this, &CanvasItem::update));
  	} else {
  		shortcut_refcount[p_sc] += 1;
  	}
  }
  
  void PopupMenu::_unref_shortcut(Ref<ShortCut> p_sc) {
  
  	ERR_FAIL_COND(!shortcut_refcount.has(p_sc));
  	shortcut_refcount[p_sc]--;
  	if (shortcut_refcount[p_sc] == 0) {
  		p_sc->disconnect("changed", callable_mp((CanvasItem *)this, &CanvasItem::update));
  		shortcut_refcount.erase(p_sc);
  	}
  }
  
  void PopupMenu::_set_items(const Array &p_items) {
  
  	ERR_FAIL_COND(p_items.size() % 10);
  	clear();
  
  	for (int i = 0; i < p_items.size(); i += 10) {
  
  		String text = p_items[i + 0];
  		Ref<Texture2D> icon = p_items[i + 1];
  		// For compatibility, use false/true for no/checkbox and integers for other values
  		bool checkable = p_items[i + 2];
  		bool radio_checkable = (int)p_items[i + 2] == Item::CHECKABLE_TYPE_RADIO_BUTTON;
  		bool checked = p_items[i + 3];
  		bool disabled = p_items[i + 4];
  
  		int id = p_items[i + 5];
  		int accel = p_items[i + 6];
  		Variant meta = p_items[i + 7];
  		String subm = p_items[i + 8];
  		bool sep = p_items[i + 9];
  
  		int idx = get_item_count();
  		add_item(text, id);
  		set_item_icon(idx, icon);
  		if (checkable) {
  			if (radio_checkable) {
  				set_item_as_radio_checkable(idx, true);
  			} else {
  				set_item_as_checkable(idx, true);
  			}
  		}
  		set_item_checked(idx, checked);
  		set_item_disabled(idx, disabled);
  		set_item_id(idx, id);
  		set_item_metadata(idx, meta);
  		set_item_as_separator(idx, sep);
  		set_item_accelerator(idx, accel);
  		set_item_submenu(idx, subm);
  	}
  }
  
  // Hide on item selection determines whether or not the popup will close after item selection
  void PopupMenu::set_hide_on_item_selection(bool p_enabled) {
  
  	hide_on_item_selection = p_enabled;
  }
  
  bool PopupMenu::is_hide_on_item_selection() const {
  
  	return hide_on_item_selection;
  }
  
  void PopupMenu::set_hide_on_checkable_item_selection(bool p_enabled) {
  
  	hide_on_checkable_item_selection = p_enabled;
  }
  
  bool PopupMenu::is_hide_on_checkable_item_selection() const {
  
  	return hide_on_checkable_item_selection;
  }
  
  void PopupMenu::set_hide_on_multistate_item_selection(bool p_enabled) {
  
  	hide_on_multistate_item_selection = p_enabled;
  }
  
  bool PopupMenu::is_hide_on_multistate_item_selection() const {
  
  	return hide_on_multistate_item_selection;
  }
  
  void PopupMenu::set_submenu_popup_delay(float p_time) {
  
  	if (p_time <= 0)
  		p_time = 0.01;
  
  	submenu_timer->set_wait_time(p_time);
  }
  
  float PopupMenu::get_submenu_popup_delay() const {
  
  	return submenu_timer->get_wait_time();
  }
  
  void PopupMenu::set_allow_search(bool p_allow) {
  
  	allow_search = p_allow;
  }
  
  bool PopupMenu::get_allow_search() const {
  
  	return allow_search;
  }
  
  String PopupMenu::get_tooltip(const Point2 &p_pos) const {
  
  	int over = _get_mouse_over(p_pos);
  	if (over < 0 || over >= items.size())
  		return "";
  	return items[over].tooltip;
  }
  
  void PopupMenu::set_parent_rect(const Rect2 &p_rect) {
  
  	parent_rect = p_rect;
  }
  
  void PopupMenu::get_translatable_strings(List<String> *p_strings) const {
  
  	for (int i = 0; i < items.size(); i++) {
  
  		if (items[i].xl_text != "")
  			p_strings->push_back(items[i].xl_text);
  	}
  }
  
  void PopupMenu::add_autohide_area(const Rect2 &p_area) {
  
  	autohide_areas.push_back(p_area);
  }
  
  void PopupMenu::clear_autohide_areas() {
  
  	autohide_areas.clear();
  }
  
  void PopupMenu::take_mouse_focus() {
  	ERR_FAIL_COND(!is_inside_tree());
  
  	if (get_parent()) {
  		get_parent()->get_viewport()->pass_mouse_focus_to(this, control);
  	}
  }
  
  void PopupMenu::_bind_methods() {
  
  	ClassDB::bind_method(D_METHOD("_gui_input"), &PopupMenu::_gui_input);
  
  	ClassDB::bind_method(D_METHOD("add_item", "label", "id", "accel"), &PopupMenu::add_item, DEFVAL(-1), DEFVAL(0));
  	ClassDB::bind_method(D_METHOD("add_icon_item", "texture", "label", "id", "accel"), &PopupMenu::add_icon_item, DEFVAL(-1), DEFVAL(0));
  	ClassDB::bind_method(D_METHOD("add_check_item", "label", "id", "accel"), &PopupMenu::add_check_item, DEFVAL(-1), DEFVAL(0));
  	ClassDB::bind_method(D_METHOD("add_icon_check_item", "texture", "label", "id", "accel"), &PopupMenu::add_icon_check_item, DEFVAL(-1), DEFVAL(0));
  	ClassDB::bind_method(D_METHOD("add_radio_check_item", "label", "id", "accel"), &PopupMenu::add_radio_check_item, DEFVAL(-1), DEFVAL(0));
  	ClassDB::bind_method(D_METHOD("add_icon_radio_check_item", "texture", "label", "id", "accel"), &PopupMenu::add_icon_radio_check_item, DEFVAL(-1), DEFVAL(0));
  
  	ClassDB::bind_method(D_METHOD("add_multistate_item", "label", "max_states", "default_state", "id", "accel"), &PopupMenu::add_multistate_item, DEFVAL(0), DEFVAL(-1), DEFVAL(0));
  
  	ClassDB::bind_method(D_METHOD("add_shortcut", "shortcut", "id", "global"), &PopupMenu::add_shortcut, DEFVAL(-1), DEFVAL(false));
  	ClassDB::bind_method(D_METHOD("add_icon_shortcut", "texture", "shortcut", "id", "global"), &PopupMenu::add_icon_shortcut, DEFVAL(-1), DEFVAL(false));
  	ClassDB::bind_method(D_METHOD("add_check_shortcut", "shortcut", "id", "global"), &PopupMenu::add_check_shortcut, DEFVAL(-1), DEFVAL(false));
  	ClassDB::bind_method(D_METHOD("add_icon_check_shortcut", "texture", "shortcut", "id", "global"), &PopupMenu::add_icon_check_shortcut, DEFVAL(-1), DEFVAL(false));
  	ClassDB::bind_method(D_METHOD("add_radio_check_shortcut", "shortcut", "id", "global"), &PopupMenu::add_radio_check_shortcut, DEFVAL(-1), DEFVAL(false));
  	ClassDB::bind_method(D_METHOD("add_icon_radio_check_shortcut", "texture", "shortcut", "id", "global"), &PopupMenu::add_icon_radio_check_shortcut, DEFVAL(-1), DEFVAL(false));
  
  	ClassDB::bind_method(D_METHOD("add_submenu_item", "label", "submenu", "id"), &PopupMenu::add_submenu_item, DEFVAL(-1));
  
  	ClassDB::bind_method(D_METHOD("set_item_text", "idx", "text"), &PopupMenu::set_item_text);
  	ClassDB::bind_method(D_METHOD("set_item_icon", "idx", "icon"), &PopupMenu::set_item_icon);
  	ClassDB::bind_method(D_METHOD("set_item_checked", "idx", "checked"), &PopupMenu::set_item_checked);
  	ClassDB::bind_method(D_METHOD("set_item_id", "idx", "id"), &PopupMenu::set_item_id);
  	ClassDB::bind_method(D_METHOD("set_item_accelerator", "idx", "accel"), &PopupMenu::set_item_accelerator);
  	ClassDB::bind_method(D_METHOD("set_item_metadata", "idx", "metadata"), &PopupMenu::set_item_metadata);
  	ClassDB::bind_method(D_METHOD("set_item_disabled", "idx", "disabled"), &PopupMenu::set_item_disabled);
  	ClassDB::bind_method(D_METHOD("set_item_submenu", "idx", "submenu"), &PopupMenu::set_item_submenu);
  	ClassDB::bind_method(D_METHOD("set_item_as_separator", "idx", "enable"), &PopupMenu::set_item_as_separator);
  	ClassDB::bind_method(D_METHOD("set_item_as_checkable", "idx", "enable"), &PopupMenu::set_item_as_checkable);
  	ClassDB::bind_method(D_METHOD("set_item_as_radio_checkable", "idx", "enable"), &PopupMenu::set_item_as_radio_checkable);
  	ClassDB::bind_method(D_METHOD("set_item_tooltip", "idx", "tooltip"), &PopupMenu::set_item_tooltip);
  	ClassDB::bind_method(D_METHOD("set_item_shortcut", "idx", "shortcut", "global"), &PopupMenu::set_item_shortcut, DEFVAL(false));
  	ClassDB::bind_method(D_METHOD("set_item_multistate", "idx", "state"), &PopupMenu::set_item_multistate);
  	ClassDB::bind_method(D_METHOD("set_item_shortcut_disabled", "idx", "disabled"), &PopupMenu::set_item_shortcut_disabled);
  
  	ClassDB::bind_method(D_METHOD("toggle_item_checked", "idx"), &PopupMenu::toggle_item_checked);
  	ClassDB::bind_method(D_METHOD("toggle_item_multistate", "idx"), &PopupMenu::toggle_item_multistate);
  
  	ClassDB::bind_method(D_METHOD("get_item_text", "idx"), &PopupMenu::get_item_text);
  	ClassDB::bind_method(D_METHOD("get_item_icon", "idx"), &PopupMenu::get_item_icon);
  	ClassDB::bind_method(D_METHOD("is_item_checked", "idx"), &PopupMenu::is_item_checked);
  	ClassDB::bind_method(D_METHOD("get_item_id", "idx"), &PopupMenu::get_item_id);
  	ClassDB::bind_method(D_METHOD("get_item_index", "id"), &PopupMenu::get_item_index);
  	ClassDB::bind_method(D_METHOD("get_item_accelerator", "idx"), &PopupMenu::get_item_accelerator);
  	ClassDB::bind_method(D_METHOD("get_item_metadata", "idx"), &PopupMenu::get_item_metadata);
  	ClassDB::bind_method(D_METHOD("is_item_disabled", "idx"), &PopupMenu::is_item_disabled);
  	ClassDB::bind_method(D_METHOD("get_item_submenu", "idx"), &PopupMenu::get_item_submenu);
  	ClassDB::bind_method(D_METHOD("is_item_separator", "idx"), &PopupMenu::is_item_separator);
  	ClassDB::bind_method(D_METHOD("is_item_checkable", "idx"), &PopupMenu::is_item_checkable);
  	ClassDB::bind_method(D_METHOD("is_item_radio_checkable", "idx"), &PopupMenu::is_item_radio_checkable);
  	ClassDB::bind_method(D_METHOD("is_item_shortcut_disabled", "idx"), &PopupMenu::is_item_shortcut_disabled);
  	ClassDB::bind_method(D_METHOD("get_item_tooltip", "idx"), &PopupMenu::get_item_tooltip);
  	ClassDB::bind_method(D_METHOD("get_item_shortcut", "idx"), &PopupMenu::get_item_shortcut);
  
  	ClassDB::bind_method(D_METHOD("get_item_count"), &PopupMenu::get_item_count);
  
  	ClassDB::bind_method(D_METHOD("remove_item", "idx"), &PopupMenu::remove_item);
  
  	ClassDB::bind_method(D_METHOD("add_separator", "label"), &PopupMenu::add_separator, DEFVAL(String()));
  	ClassDB::bind_method(D_METHOD("clear"), &PopupMenu::clear);
  
  	ClassDB::bind_method(D_METHOD("_set_items"), &PopupMenu::_set_items);
  	ClassDB::bind_method(D_METHOD("_get_items"), &PopupMenu::_get_items);
  
  	ClassDB::bind_method(D_METHOD("set_hide_on_item_selection", "enable"), &PopupMenu::set_hide_on_item_selection);
  	ClassDB::bind_method(D_METHOD("is_hide_on_item_selection"), &PopupMenu::is_hide_on_item_selection);
  
  	ClassDB::bind_method(D_METHOD("set_hide_on_checkable_item_selection", "enable"), &PopupMenu::set_hide_on_checkable_item_selection);
  	ClassDB::bind_method(D_METHOD("is_hide_on_checkable_item_selection"), &PopupMenu::is_hide_on_checkable_item_selection);
  
  	ClassDB::bind_method(D_METHOD("set_hide_on_state_item_selection", "enable"), &PopupMenu::set_hide_on_multistate_item_selection);
  	ClassDB::bind_method(D_METHOD("is_hide_on_state_item_selection"), &PopupMenu::is_hide_on_multistate_item_selection);
  
  	ClassDB::bind_method(D_METHOD("set_submenu_popup_delay", "seconds"), &PopupMenu::set_submenu_popup_delay);
  	ClassDB::bind_method(D_METHOD("get_submenu_popup_delay"), &PopupMenu::get_submenu_popup_delay);
  
  	ClassDB::bind_method(D_METHOD("set_allow_search", "allow"), &PopupMenu::set_allow_search);
  	ClassDB::bind_method(D_METHOD("get_allow_search"), &PopupMenu::get_allow_search);
  
  	ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "items", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL), "_set_items", "_get_items");
  	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "hide_on_item_selection"), "set_hide_on_item_selection", "is_hide_on_item_selection");
  	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "hide_on_checkable_item_selection"), "set_hide_on_checkable_item_selection", "is_hide_on_checkable_item_selection");
  	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "hide_on_state_item_selection"), "set_hide_on_state_item_selection", "is_hide_on_state_item_selection");
  	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "submenu_popup_delay"), "set_submenu_popup_delay", "get_submenu_popup_delay");
  	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "allow_search"), "set_allow_search", "get_allow_search");
  
  	ADD_SIGNAL(MethodInfo("id_pressed", PropertyInfo(Variant::INT, "id")));
  	ADD_SIGNAL(MethodInfo("id_focused", PropertyInfo(Variant::INT, "id")));
  	ADD_SIGNAL(MethodInfo("index_pressed", PropertyInfo(Variant::INT, "index")));
  }
  
  void PopupMenu::popup(const Rect2 &p_bounds) {
  
  	moved = Vector2();
  	invalidated_click = true;
  	Popup::popup(p_bounds);
  }
  
  PopupMenu::PopupMenu() {
  
  	control = memnew(Control);
  	add_child(control);
  
  	control->set_anchors_and_margins_preset(Control::PRESET_WIDE);
  	connect("window_input", callable_mp(this, &PopupMenu::_gui_input));
  	control->connect("draw", callable_mp(this, &PopupMenu::_draw));
  
  	mouse_over = -1;
  	submenu_over = -1;
  	initial_button_mask = 0;
  	during_grabbed_click = false;
  
  	allow_search = false;
  	search_time_msec = 0;
  	search_string = "";
  
  	set_hide_on_item_selection(true);
  	set_hide_on_checkable_item_selection(true);
  	set_hide_on_multistate_item_selection(false);
  
  	submenu_timer = memnew(Timer);
  	submenu_timer->set_wait_time(0.3);
  	submenu_timer->set_one_shot(true);
  	submenu_timer->connect("timeout", callable_mp(this, &PopupMenu::_submenu_timeout));
  	add_child(submenu_timer);
  }
  
  PopupMenu::~PopupMenu() {
  }
  