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godot/scene/gui/tree.h
Juan Linietsky e9bbb97acc Multiple scene editing *POTENTIALLY UNSTABLE* 
-ability to edit multiple scenes at the same time
-resource internal IDs are now persistent, this makes multiple scene
editing possible but maaaaay result in file corruption bugs (tested and
could not find anything but possibility exists because core code
changed, report immediately if you find this).
-properly save settings, layout, etc when edited
-script editing is independent from scene editing now
-show a yellow box when a script belongs to the scene
2015-06-22 00:04:15 -03:00

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/*************************************************************************/
/* tree.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2015 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;
VScrollBar *get_vscroll_bar() { return v_scroll; }
Tree();
~Tree();
};
VARIANT_ENUM_CAST( Tree::SelectMode );
#endif
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