f8ab79e68a
This prevents the pitfall of UB when checking if they have been assigned something valid by comparing to nullptr.
263 lines
10 KiB
C++
263 lines
10 KiB
C++
/*************************************************************************/
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/* popup_menu.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef POPUP_MENU_H
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#define POPUP_MENU_H
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#include "core/input/shortcut.h"
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#include "scene/gui/margin_container.h"
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#include "scene/gui/popup.h"
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#include "scene/gui/scroll_container.h"
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#include "scene/resources/text_line.h"
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class PopupMenu : public Popup {
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GDCLASS(PopupMenu, Popup);
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struct Item {
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Ref<Texture2D> icon;
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String text;
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String xl_text;
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Ref<TextLine> text_buf;
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Ref<TextLine> accel_text_buf;
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Dictionary opentype_features;
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String language;
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Control::TextDirection text_direction = Control::TEXT_DIRECTION_AUTO;
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bool checked = false;
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enum {
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CHECKABLE_TYPE_NONE,
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CHECKABLE_TYPE_CHECK_BOX,
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CHECKABLE_TYPE_RADIO_BUTTON,
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} checkable_type;
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int max_states = 0;
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int state = 0;
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bool separator = false;
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bool disabled = false;
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bool dirty = true;
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int id = 0;
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Variant metadata;
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String submenu;
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String tooltip;
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Key accel = Key::NONE;
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int _ofs_cache = 0;
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int _height_cache = 0;
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int h_ofs = 0;
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Ref<Shortcut> shortcut;
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bool shortcut_is_global = false;
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bool shortcut_is_disabled = false;
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// Returns (0,0) if icon is null.
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Size2 get_icon_size() const {
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return icon.is_null() ? Size2() : icon->get_size();
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}
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Item() {
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text_buf.instantiate();
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accel_text_buf.instantiate();
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checkable_type = CHECKABLE_TYPE_NONE;
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}
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};
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bool close_allowed = false;
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Timer *minimum_lifetime_timer = nullptr;
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Timer *submenu_timer = nullptr;
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List<Rect2> autohide_areas;
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Vector<Item> items;
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MouseButton initial_button_mask = MouseButton::NONE;
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bool during_grabbed_click = false;
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int mouse_over = -1;
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int submenu_over = -1;
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Rect2 parent_rect;
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String _get_accel_text(const Item &p_item) const;
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int _get_mouse_over(const Point2 &p_over) const;
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virtual Size2 _get_contents_minimum_size() const override;
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int _get_item_height(int p_item) const;
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int _get_items_total_height() const;
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void _shape_item(int p_item);
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virtual void gui_input(const Ref<InputEvent> &p_event);
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void _activate_submenu(int p_over);
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void _submenu_timeout();
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uint64_t popup_time_msec = 0;
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bool hide_on_item_selection = true;
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bool hide_on_checkable_item_selection = true;
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bool hide_on_multistate_item_selection = false;
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Vector2 moved;
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Map<Ref<Shortcut>, int> shortcut_refcount;
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void _ref_shortcut(Ref<Shortcut> p_sc);
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void _unref_shortcut(Ref<Shortcut> p_sc);
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bool allow_search = true;
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uint64_t search_time_msec = 0;
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String search_string = "";
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MarginContainer *margin_container = nullptr;
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ScrollContainer *scroll_container = nullptr;
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Control *control = nullptr;
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void _draw_items();
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void _draw_background();
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void _minimum_lifetime_timeout();
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void _close_pressed();
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protected:
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void _notification(int p_what);
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bool _set(const StringName &p_name, const Variant &p_value);
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bool _get(const StringName &p_name, Variant &r_ret) const;
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void _get_property_list(List<PropertyInfo> *p_list) const;
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static void _bind_methods();
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public:
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// ATTENTION: This is used by the POT generator's scene parser. If the number of properties returned by `_get_items()` ever changes,
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// this value should be updated to reflect the new size.
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static const int ITEM_PROPERTY_SIZE = 10;
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void add_item(const String &p_label, int p_id = -1, Key p_accel = Key::NONE);
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void add_icon_item(const Ref<Texture2D> &p_icon, const String &p_label, int p_id = -1, Key p_accel = Key::NONE);
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void add_check_item(const String &p_label, int p_id = -1, Key p_accel = Key::NONE);
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void add_icon_check_item(const Ref<Texture2D> &p_icon, const String &p_label, int p_id = -1, Key p_accel = Key::NONE);
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void add_radio_check_item(const String &p_label, int p_id = -1, Key p_accel = Key::NONE);
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void add_icon_radio_check_item(const Ref<Texture2D> &p_icon, const String &p_label, int p_id = -1, Key p_accel = Key::NONE);
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void add_multistate_item(const String &p_label, int p_max_states, int p_default_state = 0, int p_id = -1, Key p_accel = Key::NONE);
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void add_shortcut(const Ref<Shortcut> &p_shortcut, int p_id = -1, bool p_global = false);
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void add_icon_shortcut(const Ref<Texture2D> &p_icon, const Ref<Shortcut> &p_shortcut, int p_id = -1, bool p_global = false);
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void add_check_shortcut(const Ref<Shortcut> &p_shortcut, int p_id = -1, bool p_global = false);
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void add_icon_check_shortcut(const Ref<Texture2D> &p_icon, const Ref<Shortcut> &p_shortcut, int p_id = -1, bool p_global = false);
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void add_radio_check_shortcut(const Ref<Shortcut> &p_shortcut, int p_id = -1, bool p_global = false);
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void add_icon_radio_check_shortcut(const Ref<Texture2D> &p_icon, const Ref<Shortcut> &p_shortcut, int p_id = -1, bool p_global = false);
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void add_submenu_item(const String &p_label, const String &p_submenu, int p_id = -1);
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void set_item_text(int p_idx, const String &p_text);
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void set_item_text_direction(int p_idx, Control::TextDirection p_text_direction);
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void set_item_opentype_feature(int p_idx, const String &p_name, int p_value);
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void clear_item_opentype_features(int p_idx);
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void set_item_language(int p_idx, const String &p_language);
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void set_item_icon(int p_idx, const Ref<Texture2D> &p_icon);
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void set_item_checked(int p_idx, bool p_checked);
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void set_item_id(int p_idx, int p_id);
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void set_item_accelerator(int p_idx, Key p_accel);
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void set_item_metadata(int p_idx, const Variant &p_meta);
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void set_item_disabled(int p_idx, bool p_disabled);
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void set_item_submenu(int p_idx, const String &p_submenu);
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void set_item_as_separator(int p_idx, bool p_separator);
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void set_item_as_checkable(int p_idx, bool p_checkable);
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void set_item_as_radio_checkable(int p_idx, bool p_radio_checkable);
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void set_item_tooltip(int p_idx, const String &p_tooltip);
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void set_item_shortcut(int p_idx, const Ref<Shortcut> &p_shortcut, bool p_global = false);
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void set_item_h_offset(int p_idx, int p_offset);
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void set_item_multistate(int p_idx, int p_state);
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void toggle_item_multistate(int p_idx);
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void set_item_shortcut_disabled(int p_idx, bool p_disabled);
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void toggle_item_checked(int p_idx);
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String get_item_text(int p_idx) const;
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Control::TextDirection get_item_text_direction(int p_idx) const;
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int get_item_opentype_feature(int p_idx, const String &p_name) const;
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String get_item_language(int p_idx) const;
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int get_item_idx_from_text(const String &text) const;
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Ref<Texture2D> get_item_icon(int p_idx) const;
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bool is_item_checked(int p_idx) const;
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int get_item_id(int p_idx) const;
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int get_item_index(int p_id) const;
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Key get_item_accelerator(int p_idx) const;
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Variant get_item_metadata(int p_idx) const;
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bool is_item_disabled(int p_idx) const;
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String get_item_submenu(int p_idx) const;
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bool is_item_separator(int p_idx) const;
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bool is_item_checkable(int p_idx) const;
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bool is_item_radio_checkable(int p_idx) const;
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bool is_item_shortcut_disabled(int p_idx) const;
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String get_item_tooltip(int p_idx) const;
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Ref<Shortcut> get_item_shortcut(int p_idx) const;
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int get_item_state(int p_idx) const;
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void set_current_index(int p_idx);
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int get_current_index() const;
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void set_item_count(int p_count);
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int get_item_count() const;
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void scroll_to_item(int p_item);
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bool activate_item_by_event(const Ref<InputEvent> &p_event, bool p_for_global_only = false);
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void activate_item(int p_item);
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void remove_item(int p_idx);
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void add_separator(const String &p_text = String(), int p_id = -1);
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void clear();
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void set_parent_rect(const Rect2 &p_rect);
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virtual String get_tooltip(const Point2 &p_pos) const;
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virtual void get_translatable_strings(List<String> *p_strings) const override;
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void add_autohide_area(const Rect2 &p_area);
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void clear_autohide_areas();
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void set_hide_on_item_selection(bool p_enabled);
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bool is_hide_on_item_selection() const;
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void set_hide_on_checkable_item_selection(bool p_enabled);
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bool is_hide_on_checkable_item_selection() const;
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void set_hide_on_multistate_item_selection(bool p_enabled);
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bool is_hide_on_multistate_item_selection() const;
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void set_submenu_popup_delay(float p_time);
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float get_submenu_popup_delay() const;
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void set_allow_search(bool p_allow);
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bool get_allow_search() const;
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virtual void popup(const Rect2 &p_bounds = Rect2());
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void take_mouse_focus();
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PopupMenu();
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~PopupMenu();
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};
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#endif
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