547 lines
14 KiB
C++
547 lines
14 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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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 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 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/popup_menu.h"
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#include "scene/gui/line_edit.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 "core/helper/value_evaluator.h"
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/**
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@author Juan Linietsky <reduzio@gmail.com>
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*/
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class Tree;
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class TreeItem : public Object {
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OBJ_TYPE(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_RANGE_EXPRESSION, ///< Contains a range
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CELL_MODE_ICON, ///< Contains a 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;
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Ref<Texture> icon;
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Rect2i icon_region;
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String text;
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String suffix;
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double min,max,step,val;
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int icon_max_w;
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bool expr;
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bool checked;
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bool editable;
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bool selected;
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bool selectable;
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bool custom_color;
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Color color;
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bool custom_bg_color;
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bool custom_bg_outline;
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Color bg_color;
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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;
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bool disabled;
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Ref<Texture> texture;
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Button() { id=0; disabled=false; }
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};
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Vector< Button > buttons;
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Cell() {
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custom_draw_obj=0;
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mode=TreeItem::CELL_MODE_STRING;
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min=0;
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max=100;
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step=1;
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val=0;
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checked=false;
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editable=false;
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selected=false;
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selectable=true;
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custom_color=false;
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custom_bg_color=false;
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expr=false;
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icon_max_w=0;
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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;
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};
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Vector<Cell> cells;
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bool collapsed; // wont show childs
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TreeItem *parent; // parent item
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TreeItem *next; // next in list
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TreeItem *childs; //child items
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Tree *tree; //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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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,max,step;
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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 _remove_child(Object *p_child) { remove_child( p_child->cast_to<TreeItem>() ); }
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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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bool is_checked(int p_column) const;
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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_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<Texture>& p_icon);
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Ref<Texture> 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_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<Texture>& p_button,int p_id=-1,bool p_disabled=false);
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int get_button_count(int p_column) const;
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Ref<Texture> 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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bool is_button_disabled(int p_column,int p_idx) const;
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void set_button(int p_column,int p_idx,const Ref<Texture>& p_button);
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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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TreeItem *get_prev();
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TreeItem *get_next();
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TreeItem *get_parent();
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TreeItem *get_children();
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TreeItem *get_prev_visible();
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TreeItem *get_next_visible();
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void remove_child(TreeItem *p_item);
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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_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_tooltip(int p_column, const String& p_tooltip);
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String get_tooltip(int p_column) const;
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void clear_children();
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void move_to_top();
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void move_to_bottom();
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~TreeItem();
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};
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VARIANT_ENUM_CAST( TreeItem::TreeCellMode );
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class Tree : public Control {
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OBJ_TYPE( 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;
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TreeItem *popup_edited_item;
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TreeItem *selected_item;
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TreeItem *edited_item;
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TreeItem *drop_mode_over;
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int drop_mode_section;
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TreeItem *single_select_defer;
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int single_select_defer_column;
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int pressed_button;
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bool pressing_for_editor;
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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;
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bool range_drag_enabled;
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Vector2 range_drag_capture_pos;
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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;
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int selected_col;
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int popup_edited_item_col;
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bool hide_root;
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SelectMode select_mode;
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int blocked;
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int drop_mode_flags;
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struct ColumnInfo {
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int min_width;
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bool expand;
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String title;
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ColumnInfo() { min_width=1; expand=true; }
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};
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bool show_column_titles;
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LineEdit *text_editor;
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HSlider *value_editor;
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bool updating_value_editor;
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uint32_t focus_in_id;
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PopupMenu *popup_menu;
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Vector<ColumnInfo> columns;
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Timer *range_click_timer;
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TreeItem *range_item_last;
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bool range_up_last;
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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 draw_item_text(String p_text,const Ref<Texture>& 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(const TreeItem::Cell& p_cell,const Rect2i& p_rect,const Color& p_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=NULL,bool *r_in_range=NULL,bool p_force_deselect=false);
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int propagate_mouse_event(const Point2i &p_pos,int x_ofs,int y_ofs,bool p_doubleclick,TreeItem *p_item,int p_button,const InputModifierState& p_mod);
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void text_editor_enter(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 _input_event(InputEvent p_event);
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void _notification(int p_what);
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Size2 get_minimum_size() const;
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void item_edited(int p_column,TreeItem *p_item);
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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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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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Color title_button_color;
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Ref<Texture> checked;
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Ref<Texture> unchecked;
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Ref<Texture> arrow_collapsed;
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Ref<Texture> arrow;
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Ref<Texture> select_arrow;
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Ref<Texture> updown;
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Color font_color;
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Color font_color_selected;
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Color guide_color;
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Color drop_position_color;
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Color relationship_line_color;
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int hseparation;
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int vseparation;
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int item_margin;
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int guide_width;
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int button_margin;
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Point2 offset;
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int draw_relationship_lines;
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enum ClickType {
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CLICK_NONE,
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CLICK_TITLE,
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CLICK_BUTTON,
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};
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ClickType click_type;
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ClickType hover_type;
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int click_index;
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int click_id;
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TreeItem *click_item;
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int click_column;
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int hover_index;
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} cache;
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int _get_title_button_height() const;
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void _scroll_moved(float p_value);
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HScrollBar *h_scroll;
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VScrollBar *v_scroll;
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Size2 get_internal_min_size() const;
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void update_cache();
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void update_scrollbars();
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Rect2 search_item_rect(TreeItem *p_from, TreeItem *p_item);
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//Rect2 get_item_rect(TreeItem *p_item);
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uint64_t last_keypress;
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String incr_search;
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bool cursor_can_exit_tree;
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void _do_incr_search(const String& p_add);
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TreeItem* _search_item_text(TreeItem *p_at, const String& p_find,int *r_col,bool p_selectable,bool p_backwards=false);
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TreeItem* _find_item_at_pos(TreeItem *p_current, const Point2& p_pos, int& r_column, int &h, int §ion) const;
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/* float drag_speed;
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float drag_accum;
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float last_drag_accum;
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float last_drag_time;
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float time_since_motion;*/
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bool delayed_text_editor;
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uint64_t first_selection_time;
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float drag_speed;
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float drag_from;
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float drag_accum;
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Vector2 last_speed;
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bool drag_touching;
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bool drag_touching_deaccel;
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bool click_handled;
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bool allow_rmb_select;
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bool force_select_on_already_selected;
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bool hide_folding;
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ValueEvaluator *evaluator;
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int _count_selected_items(TreeItem* p_from) const;
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protected:
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static void _bind_methods();
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//bind helpers
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Object* _create_item(Object *p_parent) { return create_item(p_parent->cast_to<TreeItem>() ); }
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TreeItem *_get_next_selected(Object *p_item) { return get_next_selected(p_item->cast_to<TreeItem>() ); }
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Rect2 _get_item_rect(Object *p_item,int p_column) const { return get_item_rect(p_item->cast_to<TreeItem>(),p_column ); }
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public:
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virtual String get_tooltip(const Point2& p_pos) const;
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TreeItem* get_item_at_pos(const Point2& p_pos) const;
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int get_column_at_pos(const Point2& p_pos) const;
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int get_drop_section_at_pos(const Point2& p_pos) const;
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void clear();
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TreeItem* create_item(TreeItem *p_parent=0);
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TreeItem* get_root();
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TreeItem* get_last_item();
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void set_column_min_width(int p_column,int p_min_width);
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void set_column_expand(int p_column,bool p_expand);
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int get_column_width(int p_column) const;
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void set_hide_root(bool p_eanbled);
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TreeItem *get_next_selected( TreeItem* p_item);
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TreeItem *get_selected() const;
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int get_selected_column() const;
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int get_pressed_button() const;
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void set_select_mode(SelectMode p_mode);
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void set_columns(int p_columns);
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int get_columns() const;
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void set_column_title(int p_column,const String& p_title);
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String get_column_title(int p_column) const;
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void set_column_titles_visible(bool p_show);
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bool are_column_titles_visible() const;
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TreeItem *get_edited() const;
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int get_edited_column() const;
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void ensure_cursor_is_visible();
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Rect2 get_custom_popup_rect() const;
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int get_item_offset(TreeItem *p_item) const;
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Rect2 get_item_rect(TreeItem *p_item,int p_column=-1) const;
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bool edit_selected();
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TreeItem* search_item_text(const String& p_find,int *r_col=NULL,bool p_selectable=false);
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Point2 get_scroll() const;
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void set_cursor_can_exit_tree(bool p_enable);
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bool can_cursor_exit_tree() const;
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VScrollBar *get_vscroll_bar() { return v_scroll; }
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void set_hide_folding(bool p_hide);
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bool is_folding_hidden() const;
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void set_drop_mode_flags(int p_flags);
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int get_drop_mode_flags() const;
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void set_single_select_cell_editing_only_when_already_selected(bool p_enable);
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bool get_single_select_cell_editing_only_when_already_selected() 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_value_evaluator(ValueEvaluator *p_evaluator);
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void set_delayed_text_editor(bool enabled);
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bool is_delayed_text_editor_enabled() const;
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Tree();
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~Tree();
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};
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VARIANT_ENUM_CAST( Tree::SelectMode );
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#endif
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