mirror of
				https://github.com/godotengine/godot.git
				synced 2025-11-03 23:21:15 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			464 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			464 lines
		
	
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*************************************************************************/
 | 
						|
/*  tree.h                                                               */
 | 
						|
/*************************************************************************/
 | 
						|
/*                       This file is part of:                           */
 | 
						|
/*                           GODOT ENGINE                                */
 | 
						|
/*                    http://www.godotengine.org                         */
 | 
						|
/*************************************************************************/
 | 
						|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
 | 
						|
/*                                                                       */
 | 
						|
/* Permission is hereby granted, free of charge, to any person obtaining */
 | 
						|
/* a copy of this software and associated documentation files (the       */
 | 
						|
/* "Software"), to deal in the Software without restriction, including   */
 | 
						|
/* without limitation the rights to use, copy, modify, merge, publish,   */
 | 
						|
/* distribute, sublicense, and/or sell copies of the Software, and to    */
 | 
						|
/* permit persons to whom the Software is furnished to do so, subject to */
 | 
						|
/* the following conditions:                                             */
 | 
						|
/*                                                                       */
 | 
						|
/* The above copyright notice and this permission notice shall be        */
 | 
						|
/* included in all copies or substantial portions of the Software.       */
 | 
						|
/*                                                                       */
 | 
						|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
 | 
						|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
 | 
						|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
 | 
						|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
 | 
						|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
 | 
						|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
 | 
						|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 | 
						|
/*************************************************************************/
 | 
						|
#ifndef TREE_H
 | 
						|
#define TREE_H
 | 
						|
 | 
						|
#include "scene/gui/control.h"
 | 
						|
#include "scene/gui/popup_menu.h"
 | 
						|
#include "scene/gui/line_edit.h"
 | 
						|
#include "scene/gui/scroll_bar.h"
 | 
						|
#include "scene/gui/slider.h"
 | 
						|
 | 
						|
/**
 | 
						|
	@author Juan Linietsky <reduzio@gmail.com>
 | 
						|
*/
 | 
						|
 | 
						|
 | 
						|
class Tree;
 | 
						|
 | 
						|
class TreeItem : public Object {
 | 
						|
 | 
						|
	OBJ_TYPE(TreeItem,Object);
 | 
						|
public:
 | 
						|
	
 | 
						|
	enum TreeCellMode {
 | 
						|
		
 | 
						|
		CELL_MODE_STRING, ///< just a string
 | 
						|
		CELL_MODE_CHECK, ///< string + check
 | 
						|
		CELL_MODE_RANGE, ///< Contains a range
 | 
						|
		CELL_MODE_ICON, ///< Contains a icon, not editable
 | 
						|
		CELL_MODE_CUSTOM, ///< Contains a custom value, show a string, and an edit button
 | 
						|
	};
 | 
						|
	
 | 
						|
private:
 | 
						|
friend class Tree;
 | 
						|
	
 | 
						|
	
 | 
						|
	struct Cell {
 | 
						|
		
 | 
						|
		TreeCellMode mode;
 | 
						|
 | 
						|
		Ref<Texture> icon;
 | 
						|
		Rect2i icon_region;
 | 
						|
		String text;
 | 
						|
		double min,max,step,val;
 | 
						|
		int icon_max_w;
 | 
						|
		bool expr;
 | 
						|
		bool checked;
 | 
						|
		bool editable;
 | 
						|
		bool selected;
 | 
						|
		bool selectable;
 | 
						|
		bool custom_color;
 | 
						|
		Color color;
 | 
						|
		bool custom_bg_color;
 | 
						|
		Color bg_color;
 | 
						|
		Variant meta;
 | 
						|
		String tooltip;
 | 
						|
 | 
						|
		ObjectID custom_draw_obj;
 | 
						|
		StringName custom_draw_callback;
 | 
						|
 | 
						|
		struct Button {
 | 
						|
			int id;
 | 
						|
			Ref<Texture> texture;
 | 
						|
			Button() { id=0; }
 | 
						|
		};
 | 
						|
 | 
						|
		Vector< Button > buttons;
 | 
						|
		
 | 
						|
		Cell() {
 | 
						|
			
 | 
						|
			custom_draw_obj=0;
 | 
						|
			mode=TreeItem::CELL_MODE_STRING;
 | 
						|
			min=0;
 | 
						|
			max=100;
 | 
						|
			step=1;
 | 
						|
			val=0;
 | 
						|
			checked=false;
 | 
						|
			editable=false;
 | 
						|
			selected=false;
 | 
						|
			selectable=true;
 | 
						|
			custom_color=false;
 | 
						|
			custom_bg_color=false;
 | 
						|
			expr=false;
 | 
						|
			icon_max_w=0;
 | 
						|
		}
 | 
						|
 | 
						|
 | 
						|
		Size2 get_icon_size() const;
 | 
						|
		void draw_icon(const RID& p_where, const Point2& p_pos, const Size2& p_size=Size2()) const;
 | 
						|
 | 
						|
	};
 | 
						|
	
 | 
						|
	Vector<Cell> cells;
 | 
						|
	
 | 
						|
	bool collapsed; // wont show childs
 | 
						|
	
 | 
						|
	TreeItem *parent; // parent item
 | 
						|
	TreeItem *next; // next in list
 | 
						|
	TreeItem *childs; //child items
 | 
						|
	Tree *tree; //tree (for reference)
 | 
						|
 | 
						|
 | 
						|
	
 | 
						|
	TreeItem(Tree *p_tree);		
 | 
						|
		
 | 
						|
 | 
						|
	void _changed_notify(int p_cell);
 | 
						|
	void _changed_notify();
 | 
						|
	void _cell_selected(int p_cell);
 | 
						|
	void _cell_deselected(int p_cell);
 | 
						|
protected:
 | 
						|
	
 | 
						|
	static void _bind_methods();
 | 
						|
	//bind helpers
 | 
						|
	Dictionary _get_range_config( int p_column ) { 
 | 
						|
		Dictionary d;
 | 
						|
		double min,max,step;
 | 
						|
		get_range_config(p_column,min,max,step);
 | 
						|
		d["min"]=min;
 | 
						|
		d["max"]=max;
 | 
						|
		d["step"]=step;
 | 
						|
		d["expr"]=false;
 | 
						|
 | 
						|
		return d;
 | 
						|
	}
 | 
						|
	void _remove_child(Object *p_child) { remove_child( p_child->cast_to<TreeItem>() ); }
 | 
						|
public:
 | 
						|
		
 | 
						|
	/* cell mode */
 | 
						|
	void set_cell_mode( int p_column, TreeCellMode p_mode );
 | 
						|
	TreeCellMode get_cell_mode( int p_column ) const;
 | 
						|
	
 | 
						|
	/* check mode */
 | 
						|
	void set_checked(int p_column,bool p_checked);
 | 
						|
	bool is_checked(int p_column) const;
 | 
						|
	
 | 
						|
	void set_text(int p_column,String p_text);
 | 
						|
	String get_text(int p_column) const;
 | 
						|
	
 | 
						|
	void set_icon(int p_column,const Ref<Texture>& p_icon);
 | 
						|
	Ref<Texture> get_icon(int p_column) const;
 | 
						|
 | 
						|
	void set_icon_region(int p_column,const Rect2& p_icon_region);
 | 
						|
	Rect2 get_icon_region(int p_column) const;
 | 
						|
 | 
						|
	void set_icon_max_width(int p_column,int p_max);
 | 
						|
	int get_icon_max_width(int p_column) const;
 | 
						|
 | 
						|
	void add_button(int p_column,const Ref<Texture>& p_button,int p_id=-1);
 | 
						|
	int get_button_count(int p_column) const;
 | 
						|
	Ref<Texture> get_button(int p_column,int p_idx) const;
 | 
						|
	int get_button_id(int p_column,int p_idx) const;
 | 
						|
	void erase_button(int p_column,int p_idx);
 | 
						|
	int get_button_by_id(int p_column,int p_id) const;
 | 
						|
	void set_button(int p_column,int p_idx,const Ref<Texture>& p_button);
 | 
						|
 | 
						|
	/* range works for mode number or mode combo */
 | 
						|
	
 | 
						|
	void set_range(int p_column,double p_value);
 | 
						|
	double get_range(int p_column) const;
 | 
						|
	                
 | 
						|
	void set_range_config(int p_column,double p_min,double p_max,double p_step,bool p_exp=false);
 | 
						|
	void get_range_config(int p_column,double& r_min,double& r_max,double &r_step) const;
 | 
						|
	bool is_range_exponential(int p_column) const;
 | 
						|
	
 | 
						|
	void set_metadata(int p_column,const Variant& p_meta);
 | 
						|
	Variant get_metadata(int p_column) const;
 | 
						|
	
 | 
						|
	void set_custom_draw(int p_column,Object *p_object,const StringName& p_callback);
 | 
						|
	
 | 
						|
	void set_collapsed(bool p_collapsed);
 | 
						|
	bool is_collapsed();
 | 
						|
	
 | 
						|
	TreeItem *get_prev();
 | 
						|
	TreeItem *get_next();
 | 
						|
	TreeItem *get_parent();
 | 
						|
	TreeItem *get_children();
 | 
						|
 | 
						|
	TreeItem *get_prev_visible();
 | 
						|
	TreeItem *get_next_visible();
 | 
						|
	
 | 
						|
	void remove_child(TreeItem *p_item);
 | 
						|
	
 | 
						|
	void set_selectable(int p_column,bool p_selectable);
 | 
						|
	bool is_selectable(int p_column) const;
 | 
						|
	
 | 
						|
	bool is_selected(int p_column);
 | 
						|
	void select(int p_column);
 | 
						|
	void deselect(int p_column);
 | 
						|
	void set_as_cursor(int p_column);
 | 
						|
	
 | 
						|
	void set_editable(int p_column,bool p_editable);
 | 
						|
	bool is_editable(int p_column);
 | 
						|
	
 | 
						|
	void set_custom_color(int p_column,const Color& p_color);
 | 
						|
	void clear_custom_color(int p_column);
 | 
						|
 | 
						|
	void set_custom_bg_color(int p_column,const Color& p_color);
 | 
						|
	void clear_custom_bg_color(int p_column);
 | 
						|
	Color get_custom_bg_color(int p_column) const;
 | 
						|
 | 
						|
	void set_tooltip(int p_column, const String& p_tooltip);
 | 
						|
	String get_tooltip(int p_column) const;
 | 
						|
 | 
						|
	void clear_children();
 | 
						|
 | 
						|
	void move_to_top();
 | 
						|
	void move_to_bottom();
 | 
						|
 | 
						|
	~TreeItem();
 | 
						|
	
 | 
						|
};
 | 
						|
 | 
						|
 | 
						|
VARIANT_ENUM_CAST( TreeItem::TreeCellMode );
 | 
						|
 | 
						|
 | 
						|
class Tree : public Control {
 | 
						|
	
 | 
						|
	OBJ_TYPE( Tree, Control );
 | 
						|
public:	
 | 
						|
	enum SelectMode {
 | 
						|
            SELECT_SINGLE,
 | 
						|
            SELECT_ROW,
 | 
						|
            SELECT_MULTI
 | 
						|
	};
 | 
						|
	
 | 
						|
private:	
 | 
						|
friend class TreeItem;	
 | 
						|
	
 | 
						|
	TreeItem *root;
 | 
						|
	TreeItem *popup_edited_item;
 | 
						|
	TreeItem *selected_item;
 | 
						|
	TreeItem *edited_item;
 | 
						|
	int pressed_button;
 | 
						|
 | 
						|
	//TreeItem *cursor_item;
 | 
						|
	//int cursor_column;
 | 
						|
 | 
						|
	Rect2 custom_popup_rect;
 | 
						|
	int edited_col;
 | 
						|
	int selected_col;
 | 
						|
	int popup_edited_item_col;
 | 
						|
	bool hide_root;
 | 
						|
	SelectMode select_mode;
 | 
						|
 | 
						|
	int blocked;
 | 
						|
 | 
						|
	struct ColumnInfo {
 | 
						|
	
 | 
						|
		int min_width;
 | 
						|
		bool expand;
 | 
						|
		String title;
 | 
						|
		ColumnInfo() { min_width=1; expand=true; }
 | 
						|
	};
 | 
						|
 | 
						|
	bool show_column_titles;
 | 
						|
	LineEdit *text_editor;
 | 
						|
	HSlider *value_editor;
 | 
						|
	bool updating_value_editor;
 | 
						|
	uint32_t focus_in_id;
 | 
						|
	PopupMenu *popup_menu;
 | 
						|
 | 
						|
	Vector<ColumnInfo> columns;
 | 
						|
 | 
						|
	int compute_item_height(TreeItem *p_item) const;
 | 
						|
	int get_item_height(TreeItem *p_item) const;
 | 
						|
//	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);
 | 
						|
	void draw_item_rect(const TreeItem::Cell& p_cell,const Rect2i& p_rect,const Color& p_color);
 | 
						|
	int draw_item(const Point2i& p_pos,const Point2& p_draw_ofs, const Size2& p_draw_size,TreeItem *p_item);
 | 
						|
	void select_single_item(TreeItem *p_selected,TreeItem *p_current,int p_col,TreeItem *p_prev=NULL,bool *r_in_range=NULL);
 | 
						|
	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);
 | 
						|
	void text_editor_enter(String p_text);
 | 
						|
	void value_editor_changed(double p_value);
 | 
						|
 | 
						|
	void popup_select(int p_option);
 | 
						|
		
 | 
						|
	void _input_event(InputEvent p_event);
 | 
						|
	void _notification(int p_what);
 | 
						|
		
 | 
						|
	Size2 get_minimum_size() const;
 | 
						|
		
 | 
						|
	void item_edited(int p_column,TreeItem *p_item);
 | 
						|
	void item_changed(int p_column,TreeItem *p_item);
 | 
						|
	void item_selected(int p_column,TreeItem *p_item);
 | 
						|
	void item_deselected(int p_column,TreeItem *p_item);
 | 
						|
	
 | 
						|
	void propagate_set_columns(TreeItem *p_item);
 | 
						|
	
 | 
						|
	struct Cache {
 | 
						|
	
 | 
						|
		Ref<Font> font;
 | 
						|
		Ref<Font> tb_font;
 | 
						|
		Ref<StyleBox> bg;
 | 
						|
		Ref<StyleBox> selected;
 | 
						|
		Ref<StyleBox> selected_focus;
 | 
						|
		Ref<StyleBox> cursor;
 | 
						|
		Ref<StyleBox> cursor_unfocus;
 | 
						|
		Ref<StyleBox> button_pressed;
 | 
						|
		Ref<StyleBox> title_button;
 | 
						|
		Ref<StyleBox> title_button_hover;
 | 
						|
		Ref<StyleBox> title_button_pressed;
 | 
						|
		Color title_button_color;
 | 
						|
 | 
						|
		Ref<Texture> checked;
 | 
						|
		Ref<Texture> unchecked;
 | 
						|
		Ref<Texture> arrow_collapsed;
 | 
						|
		Ref<Texture> arrow;
 | 
						|
		Ref<Texture> select_arrow;
 | 
						|
		Ref<Texture> updown;
 | 
						|
		
 | 
						|
		Color font_color;
 | 
						|
		Color font_color_selected;
 | 
						|
		Color guide_color;
 | 
						|
		int hseparation;
 | 
						|
		int vseparation;
 | 
						|
		int item_margin;
 | 
						|
		int guide_width;		
 | 
						|
		int button_margin;
 | 
						|
		Point2 offset;
 | 
						|
 | 
						|
		enum ClickType {
 | 
						|
			CLICK_NONE,
 | 
						|
			CLICK_TITLE,
 | 
						|
			CLICK_BUTTON,
 | 
						|
 | 
						|
		};
 | 
						|
 | 
						|
		ClickType click_type;
 | 
						|
		ClickType hover_type;
 | 
						|
		int click_index;
 | 
						|
		int click_id;
 | 
						|
		TreeItem *click_item;
 | 
						|
		int click_column;
 | 
						|
		int hover_index;
 | 
						|
 | 
						|
	} cache;
 | 
						|
	
 | 
						|
	
 | 
						|
	int _get_title_button_height() const;
 | 
						|
 | 
						|
	void _scroll_moved(float p_value);
 | 
						|
	HScrollBar *h_scroll;
 | 
						|
	VScrollBar *v_scroll;
 | 
						|
	
 | 
						|
	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;
 | 
						|
	String incr_search;
 | 
						|
	bool cursor_can_exit_tree;
 | 
						|
	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_current, const Point2& p_pos,int& r_column,int &h) const;
 | 
						|
 | 
						|
/*	float drag_speed;
 | 
						|
	float drag_accum;
 | 
						|
 | 
						|
	float last_drag_accum;
 | 
						|
	float last_drag_time;
 | 
						|
	float time_since_motion;*/
 | 
						|
 | 
						|
	float drag_speed;
 | 
						|
	float drag_from;
 | 
						|
	float drag_accum;
 | 
						|
	Vector2 last_speed;
 | 
						|
	bool drag_touching;
 | 
						|
	bool drag_touching_deaccel;
 | 
						|
	bool click_handled;
 | 
						|
 | 
						|
protected:
 | 
						|
	static void _bind_methods();
 | 
						|
	
 | 
						|
	//bind helpers
 | 
						|
	Object* _create_item(Object *p_parent) { return create_item(p_parent->cast_to<TreeItem>() ); }
 | 
						|
	TreeItem *_get_next_selected(Object *p_item) { return get_next_selected(p_item->cast_to<TreeItem>() ); }	
 | 
						|
	Rect2 _get_item_rect(Object *p_item,int p_column) const { return get_item_rect(p_item->cast_to<TreeItem>(),p_column ); }
 | 
						|
public:
 | 
						|
 | 
						|
	virtual String get_tooltip(const Point2& p_pos) const;
 | 
						|
 | 
						|
	void clear();
 | 
						|
 | 
						|
	TreeItem* create_item(TreeItem *p_parent=0); 
 | 
						|
	TreeItem* get_root();
 | 
						|
	TreeItem* get_last_item();
 | 
						|
 | 
						|
	void set_column_min_width(int p_column,int p_min_width);
 | 
						|
	void set_column_expand(int p_column,bool p_expand);	
 | 
						|
	int get_column_width(int p_column) const;
 | 
						|
	
 | 
						|
	void set_hide_root(bool p_eanbled);
 | 
						|
	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);
 | 
						|
	
 | 
						|
	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_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) const;	
 | 
						|
	bool edit_selected();
 | 
						|
 | 
						|
	TreeItem* search_item_text(const String& p_find,int *r_col=NULL,bool p_selectable=false);
 | 
						|
 | 
						|
	Point2 get_scroll() const;
 | 
						|
 | 
						|
	void set_cursor_can_exit_tree(bool p_enable);
 | 
						|
	bool can_cursor_exit_tree() const;
 | 
						|
 | 
						|
	Tree();
 | 
						|
	~Tree();	
 | 
						|
 | 
						|
};
 | 
						|
 | 
						|
VARIANT_ENUM_CAST( Tree::SelectMode );
 | 
						|
#endif
 | 
						|
 |