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a2a524df71
Also some light code refactoring to make the drawing logic more manageable. We also store each item's column for more reliable checks.
286 lines
8.7 KiB
C++
286 lines
8.7 KiB
C++
/**************************************************************************/
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/* item_list.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 ITEM_LIST_H
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#define ITEM_LIST_H
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#include "scene/gui/control.h"
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#include "scene/gui/scroll_bar.h"
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#include "scene/resources/text_paragraph.h"
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class ItemList : public Control {
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GDCLASS(ItemList, Control);
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public:
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enum IconMode {
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ICON_MODE_TOP,
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ICON_MODE_LEFT
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};
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enum SelectMode {
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SELECT_SINGLE,
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SELECT_MULTI
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};
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private:
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struct Item {
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Ref<Texture2D> icon;
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bool icon_transposed = false;
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Rect2i icon_region;
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Color icon_modulate = Color(1, 1, 1, 1);
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Ref<Texture2D> tag_icon;
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String text;
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Ref<TextParagraph> text_buf;
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String language;
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TextDirection text_direction = TEXT_DIRECTION_AUTO;
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bool selectable = true;
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bool selected = false;
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bool disabled = false;
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bool tooltip_enabled = true;
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Variant metadata;
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String tooltip;
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Color custom_fg;
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Color custom_bg = Color(0.0, 0.0, 0.0, 0.0);
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int column = 0;
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Rect2 rect_cache;
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Rect2 min_rect_cache;
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Size2 get_icon_size() const;
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bool operator<(const Item &p_another) const { return text < p_another.text; }
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Item() {
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text_buf.instantiate();
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}
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};
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int current = -1;
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bool shape_changed = true;
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bool ensure_selected_visible = false;
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bool same_column_width = false;
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bool auto_height = false;
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float auto_height_value = 0.0;
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Vector<Item> items;
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Vector<int> separators;
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SelectMode select_mode = SELECT_SINGLE;
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IconMode icon_mode = ICON_MODE_LEFT;
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VScrollBar *scroll_bar = nullptr;
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TextServer::OverrunBehavior text_overrun_behavior = TextServer::OVERRUN_TRIM_ELLIPSIS;
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uint64_t search_time_msec = 0;
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String search_string;
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int current_columns = 1;
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int fixed_column_width = 0;
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int max_text_lines = 1;
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int max_columns = 1;
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Size2 fixed_icon_size;
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Size2 max_item_size_cache;
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int defer_select_single = -1;
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bool allow_rmb_select = false;
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bool allow_reselect = false;
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real_t icon_scale = 1.0;
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bool do_autoscroll_to_bottom = false;
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struct ThemeCache {
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int h_separation = 0;
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int v_separation = 0;
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Ref<StyleBox> panel_style;
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Ref<StyleBox> focus_style;
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Ref<Font> font;
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int font_size = 0;
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Color font_color;
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Color font_selected_color;
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int font_outline_size = 0;
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Color font_outline_color;
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int line_separation = 0;
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int icon_margin = 0;
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Ref<StyleBox> selected_style;
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Ref<StyleBox> selected_focus_style;
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Ref<StyleBox> cursor_style;
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Ref<StyleBox> cursor_focus_style;
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Color guide_color;
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} theme_cache;
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void _scroll_changed(double);
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void _check_shape_changed();
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void _shape_text(int p_idx);
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protected:
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virtual void _update_theme_item_cache() override;
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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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virtual void gui_input(const Ref<InputEvent> &p_event) override;
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int add_item(const String &p_item, const Ref<Texture2D> &p_texture = Ref<Texture2D>(), bool p_selectable = true);
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int add_icon_item(const Ref<Texture2D> &p_item, bool p_selectable = true);
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void set_item_text(int p_idx, const String &p_text);
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String get_item_text(int p_idx) const;
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void set_item_text_direction(int p_idx, TextDirection p_text_direction);
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TextDirection get_item_text_direction(int p_idx) const;
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void set_item_language(int p_idx, const String &p_language);
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String get_item_language(int p_idx) const;
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void set_item_icon(int p_idx, const Ref<Texture2D> &p_icon);
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Ref<Texture2D> get_item_icon(int p_idx) const;
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void set_item_icon_transposed(int p_idx, const bool transposed);
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bool is_item_icon_transposed(int p_idx) const;
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void set_item_icon_region(int p_idx, const Rect2 &p_region);
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Rect2 get_item_icon_region(int p_idx) const;
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void set_item_icon_modulate(int p_idx, const Color &p_modulate);
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Color get_item_icon_modulate(int p_idx) const;
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void set_item_selectable(int p_idx, bool p_selectable);
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bool is_item_selectable(int p_idx) const;
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void set_item_disabled(int p_idx, bool p_disabled);
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bool is_item_disabled(int p_idx) const;
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void set_item_metadata(int p_idx, const Variant &p_metadata);
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Variant get_item_metadata(int p_idx) const;
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void set_item_tag_icon(int p_idx, const Ref<Texture2D> &p_tag_icon);
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void set_item_tooltip_enabled(int p_idx, const bool p_enabled);
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bool is_item_tooltip_enabled(int p_idx) const;
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void set_item_tooltip(int p_idx, const String &p_tooltip);
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String get_item_tooltip(int p_idx) const;
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void set_item_custom_bg_color(int p_idx, const Color &p_custom_bg_color);
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Color get_item_custom_bg_color(int p_idx) const;
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void set_item_custom_fg_color(int p_idx, const Color &p_custom_fg_color);
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Color get_item_custom_fg_color(int p_idx) const;
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void set_text_overrun_behavior(TextServer::OverrunBehavior p_behavior);
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TextServer::OverrunBehavior get_text_overrun_behavior() const;
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void select(int p_idx, bool p_single = true);
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void deselect(int p_idx);
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void deselect_all();
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bool is_selected(int p_idx) const;
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Vector<int> get_selected_items();
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bool is_anything_selected();
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void set_current(int p_current);
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int get_current() const;
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void move_item(int p_from_idx, int p_to_idx);
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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 remove_item(int p_idx);
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void clear();
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void set_fixed_column_width(int p_size);
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int get_fixed_column_width() const;
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void set_same_column_width(bool p_enable);
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bool is_same_column_width() const;
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void set_max_text_lines(int p_lines);
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int get_max_text_lines() const;
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void set_max_columns(int p_amount);
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int get_max_columns() const;
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void set_select_mode(SelectMode p_mode);
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SelectMode get_select_mode() const;
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void set_icon_mode(IconMode p_mode);
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IconMode get_icon_mode() const;
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void set_fixed_icon_size(const Size2i &p_size);
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Size2i get_fixed_icon_size() const;
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void set_allow_rmb_select(bool p_allow);
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bool get_allow_rmb_select() const;
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void set_allow_reselect(bool p_allow);
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bool get_allow_reselect() const;
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void ensure_current_is_visible();
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void sort_items_by_text();
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int find_metadata(const Variant &p_metadata) const;
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virtual String get_tooltip(const Point2 &p_pos) const override;
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int get_item_at_position(const Point2 &p_pos, bool p_exact = false) const;
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bool is_pos_at_end_of_items(const Point2 &p_pos) const;
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void set_icon_scale(real_t p_scale);
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real_t get_icon_scale() const;
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void set_auto_height(bool p_enable);
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bool has_auto_height() const;
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Size2 get_minimum_size() const override;
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void set_autoscroll_to_bottom(const bool p_enable);
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VScrollBar *get_v_scroll_bar() { return scroll_bar; }
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ItemList();
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~ItemList();
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};
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VARIANT_ENUM_CAST(ItemList::SelectMode);
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VARIANT_ENUM_CAST(ItemList::IconMode);
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#endif // ITEM_LIST_H
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