723 lines
21 KiB
C++
723 lines
21 KiB
C++
/*************************************************************************/
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/* tree.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 TREE_H
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#define TREE_H
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#include "scene/gui/control.h"
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#include "scene/gui/line_edit.h"
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#include "scene/gui/popup_menu.h"
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#include "scene/gui/scroll_bar.h"
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#include "scene/gui/slider.h"
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#include "scene/resources/text_line.h"
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class Tree;
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class TreeItem : public Object {
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GDCLASS(TreeItem, Object);
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public:
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enum TreeCellMode {
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CELL_MODE_STRING, ///< just a string
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CELL_MODE_CHECK, ///< string + check
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CELL_MODE_RANGE, ///< Contains a range
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CELL_MODE_ICON, ///< Contains an icon, not editable
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CELL_MODE_CUSTOM, ///< Contains a custom value, show a string, and an edit button
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};
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private:
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friend class Tree;
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struct Cell {
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TreeCellMode mode = TreeItem::CELL_MODE_STRING;
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Ref<Texture2D> icon;
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Rect2i icon_region;
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String text;
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String suffix;
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Ref<TextLine> text_buf;
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String language;
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TextServer::StructuredTextParser st_parser = TextServer::STRUCTURED_TEXT_DEFAULT;
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Array st_args;
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Control::TextDirection text_direction = Control::TEXT_DIRECTION_INHERITED;
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bool dirty = true;
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double min = 0.0;
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double max = 100.0;
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double step = 1.0;
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double val = 0.0;
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int icon_max_w = 0;
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bool expr = false;
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bool checked = false;
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bool indeterminate = false;
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bool editable = false;
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bool selected = false;
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bool selectable = true;
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bool custom_color = false;
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Color color;
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bool custom_bg_color = false;
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bool custom_bg_outline = false;
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Color bg_color;
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bool custom_button = false;
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bool expand_right = false;
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Color icon_color = Color(1, 1, 1);
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Size2i cached_minimum_size;
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bool cached_minimum_size_dirty = true;
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HorizontalAlignment text_alignment = HORIZONTAL_ALIGNMENT_LEFT;
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Variant meta;
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String tooltip;
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ObjectID custom_draw_obj;
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StringName custom_draw_callback;
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struct Button {
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int id = 0;
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bool disabled = false;
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Ref<Texture2D> texture;
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Color color = Color(1, 1, 1, 1);
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String tooltip;
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};
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Vector<Button> buttons;
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Ref<Font> custom_font;
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int custom_font_size = -1;
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Cell() {
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text_buf.instantiate();
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}
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Size2 get_icon_size() const;
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void draw_icon(const RID &p_where, const Point2 &p_pos, const Size2 &p_size = Size2(), const Color &p_color = Color()) const;
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};
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Vector<Cell> cells;
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bool collapsed = false; // won't show children
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bool visible = true;
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bool disable_folding = false;
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int custom_min_height = 0;
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TreeItem *parent = nullptr; // parent item
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TreeItem *prev = nullptr; // previous in list
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TreeItem *next = nullptr; // next in list
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TreeItem *first_child = nullptr;
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Vector<TreeItem *> children_cache;
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bool is_root = false; // for tree root
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Tree *tree = nullptr; // tree (for reference)
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TreeItem(Tree *p_tree);
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void _changed_notify(int p_cell);
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void _changed_notify();
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void _cell_selected(int p_cell);
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void _cell_deselected(int p_cell);
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void _change_tree(Tree *p_tree);
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_FORCE_INLINE_ void _create_children_cache() {
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if (children_cache.is_empty()) {
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TreeItem *c = first_child;
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while (c) {
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children_cache.append(c);
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c = c->next;
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}
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}
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}
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_FORCE_INLINE_ void _unlink_from_tree() {
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TreeItem *p = get_prev();
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if (p) {
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p->next = next;
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}
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if (next) {
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next->prev = p;
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}
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if (parent) {
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if (!parent->children_cache.is_empty()) {
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parent->children_cache.remove_at(get_index());
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}
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if (parent->first_child == this) {
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parent->first_child = next;
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}
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}
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}
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protected:
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static void _bind_methods();
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// Bind helpers
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Dictionary _get_range_config(int p_column) {
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Dictionary d;
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double min = 0.0, max = 0.0, step = 0.0;
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get_range_config(p_column, min, max, step);
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d["min"] = min;
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d["max"] = max;
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d["step"] = step;
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d["expr"] = false;
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return d;
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}
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void _call_recursive_bind(const Variant **p_args, int p_argcount, Callable::CallError &r_error);
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public:
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/* cell mode */
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void set_cell_mode(int p_column, TreeCellMode p_mode);
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TreeCellMode get_cell_mode(int p_column) const;
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/* check mode */
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void set_checked(int p_column, bool p_checked);
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void set_indeterminate(int p_column, bool p_indeterminate);
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bool is_checked(int p_column) const;
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bool is_indeterminate(int p_column) const;
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void propagate_check(int p_column, bool p_emit_signal = true);
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private:
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// Check helpers.
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void _propagate_check_through_children(int p_column, bool p_checked, bool p_emit_signal);
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void _propagate_check_through_parents(int p_column, bool p_emit_signal);
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TreeItem *_get_prev_visible(bool p_wrap = false);
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TreeItem *_get_next_visible(bool p_wrap = false);
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public:
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void set_text(int p_column, String p_text);
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String get_text(int p_column) const;
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void set_text_direction(int p_column, Control::TextDirection p_text_direction);
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Control::TextDirection get_text_direction(int p_column) const;
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void set_structured_text_bidi_override(int p_column, TextServer::StructuredTextParser p_parser);
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TextServer::StructuredTextParser get_structured_text_bidi_override(int p_column) const;
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void set_structured_text_bidi_override_options(int p_column, Array p_args);
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Array get_structured_text_bidi_override_options(int p_column) const;
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void set_language(int p_column, const String &p_language);
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String get_language(int p_column) const;
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void set_suffix(int p_column, String p_suffix);
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String get_suffix(int p_column) const;
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void set_icon(int p_column, const Ref<Texture2D> &p_icon);
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Ref<Texture2D> get_icon(int p_column) const;
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void set_icon_region(int p_column, const Rect2 &p_icon_region);
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Rect2 get_icon_region(int p_column) const;
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void set_icon_modulate(int p_column, const Color &p_modulate);
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Color get_icon_modulate(int p_column) const;
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void set_icon_max_width(int p_column, int p_max);
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int get_icon_max_width(int p_column) const;
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void add_button(int p_column, const Ref<Texture2D> &p_button, int p_id = -1, bool p_disabled = false, const String &p_tooltip = "");
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int get_button_count(int p_column) const;
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String get_button_tooltip(int p_column, int p_idx) const;
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Ref<Texture2D> get_button(int p_column, int p_idx) const;
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int get_button_id(int p_column, int p_idx) const;
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void erase_button(int p_column, int p_idx);
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int get_button_by_id(int p_column, int p_id) const;
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void set_button(int p_column, int p_idx, const Ref<Texture2D> &p_button);
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void set_button_color(int p_column, int p_idx, const Color &p_color);
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void set_button_disabled(int p_column, int p_idx, bool p_disabled);
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bool is_button_disabled(int p_column, int p_idx) const;
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/* range works for mode number or mode combo */
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void set_range(int p_column, double p_value);
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double get_range(int p_column) const;
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void set_range_config(int p_column, double p_min, double p_max, double p_step, bool p_exp = false);
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void get_range_config(int p_column, double &r_min, double &r_max, double &r_step) const;
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bool is_range_exponential(int p_column) const;
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void set_metadata(int p_column, const Variant &p_meta);
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Variant get_metadata(int p_column) const;
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void set_custom_draw(int p_column, Object *p_object, const StringName &p_callback);
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void set_collapsed(bool p_collapsed);
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bool is_collapsed();
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void set_visible(bool p_visible);
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bool is_visible();
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void uncollapse_tree();
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void set_custom_minimum_height(int p_height);
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int get_custom_minimum_height() const;
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void set_selectable(int p_column, bool p_selectable);
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bool is_selectable(int p_column) const;
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bool is_selected(int p_column);
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void select(int p_column);
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void deselect(int p_column);
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void set_as_cursor(int p_column);
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void set_editable(int p_column, bool p_editable);
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bool is_editable(int p_column);
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void set_custom_color(int p_column, const Color &p_color);
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Color get_custom_color(int p_column) const;
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void clear_custom_color(int p_column);
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void set_custom_font(int p_column, const Ref<Font> &p_font);
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Ref<Font> get_custom_font(int p_column) const;
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void set_custom_font_size(int p_column, int p_font_size);
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int get_custom_font_size(int p_column) const;
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void set_custom_bg_color(int p_column, const Color &p_color, bool p_bg_outline = false);
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void clear_custom_bg_color(int p_column);
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Color get_custom_bg_color(int p_column) const;
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void set_custom_as_button(int p_column, bool p_button);
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bool is_custom_set_as_button(int p_column) const;
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void set_tooltip(int p_column, const String &p_tooltip);
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String get_tooltip(int p_column) const;
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void set_text_alignment(int p_column, HorizontalAlignment p_alignment);
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HorizontalAlignment get_text_alignment(int p_column) const;
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void set_expand_right(int p_column, bool p_enable);
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bool get_expand_right(int p_column) const;
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void set_disable_folding(bool p_disable);
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bool is_folding_disabled() const;
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Size2 get_minimum_size(int p_column);
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/* Item manipulation */
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TreeItem *create_child(int p_idx = -1);
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Tree *get_tree() const;
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TreeItem *get_prev();
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TreeItem *get_next() const;
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TreeItem *get_parent() const;
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TreeItem *get_first_child() const;
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TreeItem *get_prev_visible(bool p_wrap = false);
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TreeItem *get_next_visible(bool p_wrap = false);
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TreeItem *get_child(int p_idx);
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int get_visible_child_count();
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int get_child_count();
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Array get_children();
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int get_index();
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void move_before(TreeItem *p_item);
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void move_after(TreeItem *p_item);
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void remove_child(TreeItem *p_item);
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void call_recursive(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error);
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void clear_children();
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~TreeItem();
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};
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VARIANT_ENUM_CAST(TreeItem::TreeCellMode);
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class VBoxContainer;
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class Tree : public Control {
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GDCLASS(Tree, Control);
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public:
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enum SelectMode {
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SELECT_SINGLE,
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SELECT_ROW,
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SELECT_MULTI
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};
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enum DropModeFlags {
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DROP_MODE_DISABLED = 0,
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DROP_MODE_ON_ITEM = 1,
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DROP_MODE_INBETWEEN = 2
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};
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private:
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friend class TreeItem;
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TreeItem *root = nullptr;
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TreeItem *popup_edited_item = nullptr;
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TreeItem *selected_item = nullptr;
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TreeItem *edited_item = nullptr;
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TreeItem *popup_pressing_edited_item = nullptr; // Candidate.
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int popup_pressing_edited_item_column = -1;
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TreeItem *drop_mode_over = nullptr;
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int drop_mode_section = 0;
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TreeItem *single_select_defer = nullptr;
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int single_select_defer_column = 0;
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int pressed_button = -1;
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bool pressing_for_editor = false;
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String pressing_for_editor_text;
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Vector2 pressing_pos;
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Rect2 pressing_item_rect;
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float range_drag_base = 0.0;
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bool range_drag_enabled = false;
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Vector2 range_drag_capture_pos;
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bool propagate_mouse_activated = false;
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//TreeItem *cursor_item;
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//int cursor_column;
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Rect2 custom_popup_rect;
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int edited_col = -1;
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int selected_col = -1;
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int popup_edited_item_col = -1;
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bool hide_root = false;
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SelectMode select_mode = SELECT_SINGLE;
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int blocked = 0;
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int drop_mode_flags = 0;
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struct ColumnInfo {
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int custom_min_width = 0;
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int expand_ratio = 1;
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bool expand = true;
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bool clip_content = false;
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String title;
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Ref<TextLine> text_buf;
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String language;
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Control::TextDirection text_direction = Control::TEXT_DIRECTION_INHERITED;
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ColumnInfo() {
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text_buf.instantiate();
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}
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};
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bool show_column_titles = false;
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VBoxContainer *popup_editor_vb = nullptr;
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Popup *popup_editor = nullptr;
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LineEdit *text_editor = nullptr;
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HSlider *value_editor = nullptr;
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bool updating_value_editor = false;
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uint64_t focus_in_id = 0;
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PopupMenu *popup_menu = nullptr;
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Vector<ColumnInfo> columns;
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Timer *range_click_timer = nullptr;
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TreeItem *range_item_last = nullptr;
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bool range_up_last = false;
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void _range_click_timeout();
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int compute_item_height(TreeItem *p_item) const;
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int get_item_height(TreeItem *p_item) const;
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void _update_all();
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void update_column(int p_col);
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void update_item_cell(TreeItem *p_item, int p_col);
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void update_item_cache(TreeItem *p_item);
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//void draw_item_text(String p_text,const Ref<Texture2D>& p_icon,int p_icon_max_w,bool p_tool,Rect2i p_rect,const Color& p_color);
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void draw_item_rect(TreeItem::Cell &p_cell, const Rect2i &p_rect, const Color &p_color, const Color &p_icon_color, int p_ol_size, const Color &p_ol_color);
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int draw_item(const Point2i &p_pos, const Point2 &p_draw_ofs, const Size2 &p_draw_size, TreeItem *p_item);
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void select_single_item(TreeItem *p_selected, TreeItem *p_current, int p_col, TreeItem *p_prev = nullptr, bool *r_in_range = nullptr, bool p_force_deselect = false);
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int propagate_mouse_event(const Point2i &p_pos, int x_ofs, int y_ofs, int x_limit, bool p_double_click, TreeItem *p_item, MouseButton p_button, const Ref<InputEventWithModifiers> &p_mod);
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void _text_editor_submit(String p_text);
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void _text_editor_modal_close();
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void value_editor_changed(double p_value);
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void popup_select(int p_option);
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void _notification(int p_what);
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void item_edited(int p_column, TreeItem *p_item, MouseButton p_custom_mouse_index = MouseButton::NONE);
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void item_changed(int p_column, TreeItem *p_item);
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void item_selected(int p_column, TreeItem *p_item);
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void item_deselected(int p_column, TreeItem *p_item);
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void propagate_set_columns(TreeItem *p_item);
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struct Cache {
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Ref<Font> font;
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Ref<Font> tb_font;
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int font_size = 0;
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int tb_font_size = 0;
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Ref<StyleBox> bg;
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Ref<StyleBox> selected;
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Ref<StyleBox> selected_focus;
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Ref<StyleBox> cursor;
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Ref<StyleBox> cursor_unfocus;
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Ref<StyleBox> button_pressed;
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Ref<StyleBox> title_button;
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Ref<StyleBox> title_button_hover;
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Ref<StyleBox> title_button_pressed;
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Ref<StyleBox> custom_button;
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Ref<StyleBox> custom_button_hover;
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Ref<StyleBox> custom_button_pressed;
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Color title_button_color;
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Ref<Texture2D> checked;
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Ref<Texture2D> unchecked;
|
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Ref<Texture2D> indeterminate;
|
|
Ref<Texture2D> arrow_collapsed;
|
|
Ref<Texture2D> arrow;
|
|
Ref<Texture2D> select_arrow;
|
|
Ref<Texture2D> updown;
|
|
|
|
Color font_color;
|
|
Color font_selected_color;
|
|
Color guide_color;
|
|
Color drop_position_color;
|
|
Color relationship_line_color;
|
|
Color parent_hl_line_color;
|
|
Color children_hl_line_color;
|
|
Color custom_button_font_highlight;
|
|
Color font_outline_color;
|
|
|
|
float base_scale = 1.0;
|
|
|
|
int hseparation = 0;
|
|
int vseparation = 0;
|
|
int item_margin = 0;
|
|
int button_margin = 0;
|
|
Point2 offset;
|
|
int draw_relationship_lines = 0;
|
|
int relationship_line_width = 0;
|
|
int parent_hl_line_width = 0;
|
|
int children_hl_line_width = 0;
|
|
int parent_hl_line_margin = 0;
|
|
int draw_guides = 0;
|
|
int scroll_border = 0;
|
|
int scroll_speed = 0;
|
|
int font_outline_size = 0;
|
|
|
|
enum ClickType {
|
|
CLICK_NONE,
|
|
CLICK_TITLE,
|
|
CLICK_BUTTON,
|
|
|
|
};
|
|
|
|
ClickType click_type = Cache::CLICK_NONE;
|
|
ClickType hover_type = Cache::CLICK_NONE;
|
|
int click_index = -1;
|
|
int click_id = -1;
|
|
TreeItem *click_item = nullptr;
|
|
int click_column = 0;
|
|
int hover_index = -1;
|
|
Point2 click_pos;
|
|
|
|
TreeItem *hover_item = nullptr;
|
|
int hover_cell = -1;
|
|
|
|
Point2i text_editor_position;
|
|
|
|
bool rtl = false;
|
|
|
|
} cache;
|
|
|
|
int _get_title_button_height() const;
|
|
|
|
void _scroll_moved(float p_value);
|
|
HScrollBar *h_scroll = nullptr;
|
|
VScrollBar *v_scroll = nullptr;
|
|
|
|
bool h_scroll_enabled = true;
|
|
bool v_scroll_enabled = true;
|
|
|
|
Size2 get_internal_min_size() const;
|
|
void update_cache();
|
|
void update_scrollbars();
|
|
|
|
Rect2 search_item_rect(TreeItem *p_from, TreeItem *p_item);
|
|
//Rect2 get_item_rect(TreeItem *p_item);
|
|
uint64_t last_keypress = 0;
|
|
String incr_search;
|
|
bool cursor_can_exit_tree = true;
|
|
void _do_incr_search(const String &p_add);
|
|
|
|
TreeItem *_search_item_text(TreeItem *p_at, const String &p_find, int *r_col, bool p_selectable, bool p_backwards = false);
|
|
|
|
TreeItem *_find_item_at_pos(TreeItem *p_item, const Point2 &p_pos, int &r_column, int &h, int §ion) const;
|
|
|
|
/* float drag_speed;
|
|
float drag_accum;
|
|
|
|
float last_drag_accum;
|
|
float last_drag_time;
|
|
float time_since_motion;*/
|
|
|
|
float drag_speed = 0.0;
|
|
float drag_from = 0.0;
|
|
float drag_accum = 0.0;
|
|
Vector2 last_speed;
|
|
bool drag_touching = false;
|
|
bool drag_touching_deaccel = false;
|
|
bool click_handled = false;
|
|
bool allow_rmb_select = false;
|
|
bool scrolling = false;
|
|
|
|
bool allow_reselect = false;
|
|
|
|
bool force_edit_checkbox_only_on_checkbox = false;
|
|
|
|
bool hide_folding = false;
|
|
|
|
int _count_selected_items(TreeItem *p_from) const;
|
|
bool _is_branch_selected(TreeItem *p_from) const;
|
|
bool _is_sibling_branch_selected(TreeItem *p_from) const;
|
|
void _go_left();
|
|
void _go_right();
|
|
void _go_down();
|
|
void _go_up();
|
|
|
|
bool _scroll(bool p_horizontal, float p_pages);
|
|
|
|
protected:
|
|
static void _bind_methods();
|
|
|
|
public:
|
|
virtual void gui_input(const Ref<InputEvent> &p_event) override;
|
|
|
|
virtual String get_tooltip(const Point2 &p_pos) const override;
|
|
|
|
TreeItem *get_item_at_position(const Point2 &p_pos) const;
|
|
int get_column_at_position(const Point2 &p_pos) const;
|
|
int get_drop_section_at_position(const Point2 &p_pos) const;
|
|
int get_button_id_at_position(const Point2 &p_pos) const;
|
|
|
|
void clear();
|
|
|
|
TreeItem *create_item(TreeItem *p_parent = nullptr, int p_idx = -1);
|
|
TreeItem *get_root() const;
|
|
TreeItem *get_last_item() const;
|
|
|
|
void set_column_custom_minimum_width(int p_column, int p_min_width);
|
|
void set_column_expand(int p_column, bool p_expand);
|
|
void set_column_expand_ratio(int p_column, int p_ratio);
|
|
void set_column_clip_content(int p_column, bool p_fit);
|
|
int get_column_minimum_width(int p_column) const;
|
|
int get_column_width(int p_column) const;
|
|
int get_column_expand_ratio(int p_column) const;
|
|
|
|
bool is_column_expanding(int p_column) const;
|
|
bool is_column_clipping_content(int p_column) const;
|
|
|
|
void set_hide_root(bool p_enabled);
|
|
bool is_root_hidden() const;
|
|
TreeItem *get_next_selected(TreeItem *p_item);
|
|
TreeItem *get_selected() const;
|
|
int get_selected_column() const;
|
|
int get_pressed_button() const;
|
|
void set_select_mode(SelectMode p_mode);
|
|
SelectMode get_select_mode() const;
|
|
void deselect_all();
|
|
bool is_anything_selected();
|
|
|
|
void set_columns(int p_columns);
|
|
int get_columns() const;
|
|
|
|
void set_column_title(int p_column, const String &p_title);
|
|
String get_column_title(int p_column) const;
|
|
|
|
void set_column_title_direction(int p_column, Control::TextDirection p_text_direction);
|
|
Control::TextDirection get_column_title_direction(int p_column) const;
|
|
|
|
void set_column_title_language(int p_column, const String &p_language);
|
|
String get_column_title_language(int p_column) const;
|
|
|
|
void set_column_titles_visible(bool p_show);
|
|
bool are_column_titles_visible() const;
|
|
|
|
TreeItem *get_edited() const;
|
|
int get_edited_column() const;
|
|
|
|
void ensure_cursor_is_visible();
|
|
|
|
Rect2 get_custom_popup_rect() const;
|
|
|
|
int get_item_offset(TreeItem *p_item) const;
|
|
Rect2 get_item_rect(TreeItem *p_item, int p_column = -1, int p_button = -1) const;
|
|
bool edit_selected();
|
|
bool is_editing();
|
|
|
|
// First item that starts with the text, from the current focused item down and wraps around.
|
|
TreeItem *search_item_text(const String &p_find, int *r_col = nullptr, bool p_selectable = false);
|
|
// First item that matches the whole text, from the first item down.
|
|
TreeItem *get_item_with_text(const String &p_find) const;
|
|
|
|
Point2 get_scroll() const;
|
|
void scroll_to_item(TreeItem *p_item, bool p_center_on_item = false);
|
|
void set_h_scroll_enabled(bool p_enable);
|
|
bool is_h_scroll_enabled() const;
|
|
void set_v_scroll_enabled(bool p_enable);
|
|
bool is_v_scroll_enabled() const;
|
|
|
|
void set_cursor_can_exit_tree(bool p_enable);
|
|
|
|
VScrollBar *get_vscroll_bar() { return v_scroll; }
|
|
|
|
void set_hide_folding(bool p_hide);
|
|
bool is_folding_hidden() const;
|
|
|
|
void set_drop_mode_flags(int p_flags);
|
|
int get_drop_mode_flags() const;
|
|
|
|
void set_edit_checkbox_cell_only_when_checkbox_is_pressed(bool p_enable);
|
|
bool get_edit_checkbox_cell_only_when_checkbox_is_pressed() const;
|
|
|
|
void set_allow_rmb_select(bool p_allow);
|
|
bool get_allow_rmb_select() const;
|
|
|
|
void set_allow_reselect(bool p_allow);
|
|
bool get_allow_reselect() const;
|
|
|
|
Size2 get_minimum_size() const override;
|
|
|
|
Tree();
|
|
~Tree();
|
|
};
|
|
|
|
VARIANT_ENUM_CAST(Tree::SelectMode);
|
|
VARIANT_ENUM_CAST(Tree::DropModeFlags);
|
|
#endif
|