/*************************************************************************/ /* tree.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* 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/line_edit.h" #include "scene/gui/popup_menu.h" #include "scene/gui/scroll_bar.h" #include "scene/gui/slider.h" #include "scene/resources/text_line.h" class Tree; class TreeItem : public Object { GDCLASS(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 an 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 = TreeItem::CELL_MODE_STRING; Ref<Texture2D> icon; Rect2i icon_region; String text; String suffix; Ref<TextLine> text_buf; String language; TextServer::StructuredTextParser st_parser = TextServer::STRUCTURED_TEXT_DEFAULT; Array st_args; Control::TextDirection text_direction = Control::TEXT_DIRECTION_INHERITED; bool dirty = true; double min = 0.0; double max = 100.0; double step = 1.0; double val = 0.0; int icon_max_w = 0; bool expr = false; bool checked = false; bool indeterminate = false; bool editable = false; bool selected = false; bool selectable = true; bool custom_color = false; Color color; bool custom_bg_color = false; bool custom_bg_outline = false; Color bg_color; bool custom_button = false; bool expand_right = false; Color icon_color = Color(1, 1, 1); Size2i cached_minimum_size; bool cached_minimum_size_dirty = true; HorizontalAlignment text_alignment = HORIZONTAL_ALIGNMENT_LEFT; Variant meta; String tooltip; ObjectID custom_draw_obj; StringName custom_draw_callback; struct Button { int id = 0; bool disabled = false; Ref<Texture2D> texture; Color color = Color(1, 1, 1, 1); String tooltip; }; Vector<Button> buttons; Ref<Font> custom_font; int custom_font_size = -1; Cell() { text_buf.instantiate(); } Size2 get_icon_size() const; void draw_icon(const RID &p_where, const Point2 &p_pos, const Size2 &p_size = Size2(), const Color &p_color = Color()) const; }; Vector<Cell> cells; bool collapsed = false; // won't show children bool visible = true; bool disable_folding = false; int custom_min_height = 0; TreeItem *parent = nullptr; // parent item TreeItem *prev = nullptr; // previous in list TreeItem *next = nullptr; // next in list TreeItem *first_child = nullptr; Vector<TreeItem *> children_cache; bool is_root = false; // for tree root Tree *tree = nullptr; // 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); void _change_tree(Tree *p_tree); _FORCE_INLINE_ void _create_children_cache() { if (children_cache.is_empty()) { TreeItem *c = first_child; while (c) { children_cache.append(c); c = c->next; } } } _FORCE_INLINE_ void _unlink_from_tree() { TreeItem *p = get_prev(); if (p) { p->next = next; } if (next) { next->prev = p; } if (parent) { if (!parent->children_cache.is_empty()) { parent->children_cache.remove_at(get_index()); } if (parent->first_child == this) { parent->first_child = next; } } } protected: static void _bind_methods(); // Bind helpers Dictionary _get_range_config(int p_column) { Dictionary d; double min = 0.0, max = 0.0, step = 0.0; get_range_config(p_column, min, max, step); d["min"] = min; d["max"] = max; d["step"] = step; d["expr"] = false; return d; } void _call_recursive_bind(const Variant **p_args, int p_argcount, Callable::CallError &r_error); 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); void set_indeterminate(int p_column, bool p_indeterminate); bool is_checked(int p_column) const; bool is_indeterminate(int p_column) const; void propagate_check(int p_column, bool p_emit_signal = true); private: // Check helpers. void _propagate_check_through_children(int p_column, bool p_checked, bool p_emit_signal); void _propagate_check_through_parents(int p_column, bool p_emit_signal); TreeItem *_get_prev_visible(bool p_wrap = false); TreeItem *_get_next_visible(bool p_wrap = false); public: void set_text(int p_column, String p_text); String get_text(int p_column) const; void set_text_direction(int p_column, Control::TextDirection p_text_direction); Control::TextDirection get_text_direction(int p_column) const; void set_structured_text_bidi_override(int p_column, TextServer::StructuredTextParser p_parser); TextServer::StructuredTextParser get_structured_text_bidi_override(int p_column) const; void set_structured_text_bidi_override_options(int p_column, Array p_args); Array get_structured_text_bidi_override_options(int p_column) const; void set_language(int p_column, const String &p_language); String get_language(int p_column) const; void set_suffix(int p_column, String p_suffix); String get_suffix(int p_column) const; void set_icon(int p_column, const Ref<Texture2D> &p_icon); Ref<Texture2D> 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_modulate(int p_column, const Color &p_modulate); Color get_icon_modulate(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<Texture2D> &p_button, int p_id = -1, bool p_disabled = false, const String &p_tooltip = ""); int get_button_count(int p_column) const; String get_button_tooltip_text(int p_column, int p_idx) const; Ref<Texture2D> 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<Texture2D> &p_button); void set_button_color(int p_column, int p_idx, const Color &p_color); void set_button_disabled(int p_column, int p_idx, bool p_disabled); bool is_button_disabled(int p_column, int p_idx) const; /* 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(); void set_visible(bool p_visible); bool is_visible(); void uncollapse_tree(); void set_custom_minimum_height(int p_height); int get_custom_minimum_height() const; 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); Color get_custom_color(int p_column) const; void clear_custom_color(int p_column); void set_custom_font(int p_column, const Ref<Font> &p_font); Ref<Font> get_custom_font(int p_column) const; void set_custom_font_size(int p_column, int p_font_size); int get_custom_font_size(int p_column) const; void set_custom_bg_color(int p_column, const Color &p_color, bool p_bg_outline = false); void clear_custom_bg_color(int p_column); Color get_custom_bg_color(int p_column) const; void set_custom_as_button(int p_column, bool p_button); bool is_custom_set_as_button(int p_column) const; void set_tooltip_text(int p_column, const String &p_tooltip); String get_tooltip_text(int p_column) const; void set_text_alignment(int p_column, HorizontalAlignment p_alignment); HorizontalAlignment get_text_alignment(int p_column) const; void set_expand_right(int p_column, bool p_enable); bool get_expand_right(int p_column) const; void set_disable_folding(bool p_disable); bool is_folding_disabled() const; Size2 get_minimum_size(int p_column); /* Item manipulation */ TreeItem *create_child(int p_idx = -1); Tree *get_tree() const; TreeItem *get_prev(); TreeItem *get_next() const; TreeItem *get_parent() const; TreeItem *get_first_child() const; TreeItem *get_prev_visible(bool p_wrap = false); TreeItem *get_next_visible(bool p_wrap = false); TreeItem *get_child(int p_idx); int get_visible_child_count(); int get_child_count(); TypedArray<TreeItem> get_children(); int get_index(); #ifdef DEV_ENABLED // This debugging code can be removed once the current refactoring of this class is complete. void validate_cache() const; #else void validate_cache() const {} #endif void move_before(TreeItem *p_item); void move_after(TreeItem *p_item); void remove_child(TreeItem *p_item); void call_recursive(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error); void clear_children(); ~TreeItem(); }; VARIANT_ENUM_CAST(TreeItem::TreeCellMode); class VBoxContainer; class Tree : public Control { GDCLASS(Tree, Control); public: enum SelectMode { SELECT_SINGLE, SELECT_ROW, SELECT_MULTI }; enum DropModeFlags { DROP_MODE_DISABLED = 0, DROP_MODE_ON_ITEM = 1, DROP_MODE_INBETWEEN = 2 }; private: friend class TreeItem; TreeItem *root = nullptr; TreeItem *popup_edited_item = nullptr; TreeItem *selected_item = nullptr; TreeItem *edited_item = nullptr; TreeItem *popup_pressing_edited_item = nullptr; // Candidate. int popup_pressing_edited_item_column = -1; TreeItem *drop_mode_over = nullptr; int drop_mode_section = 0; TreeItem *single_select_defer = nullptr; int single_select_defer_column = 0; int pressed_button = -1; bool pressing_for_editor = false; String pressing_for_editor_text; Vector2 pressing_pos; Rect2 pressing_item_rect; float range_drag_base = 0.0; bool range_drag_enabled = false; Vector2 range_drag_capture_pos; bool propagate_mouse_activated = false; //TreeItem *cursor_item; //int cursor_column; Rect2 custom_popup_rect; int edited_col = -1; int selected_col = -1; int popup_edited_item_col = -1; bool hide_root = false; SelectMode select_mode = SELECT_SINGLE; int blocked = 0; int drop_mode_flags = 0; struct ColumnInfo { int custom_min_width = 0; int expand_ratio = 1; bool expand = true; bool clip_content = false; String title; Ref<TextLine> text_buf; String language; Control::TextDirection text_direction = Control::TEXT_DIRECTION_INHERITED; ColumnInfo() { text_buf.instantiate(); } }; bool show_column_titles = false; VBoxContainer *popup_editor_vb = nullptr; Popup *popup_editor = nullptr; LineEdit *text_editor = nullptr; HSlider *value_editor = nullptr; bool updating_value_editor = false; uint64_t focus_in_id = 0; PopupMenu *popup_menu = nullptr; Vector<ColumnInfo> columns; Timer *range_click_timer = nullptr; TreeItem *range_item_last = nullptr; bool range_up_last = false; void _range_click_timeout(); int compute_item_height(TreeItem *p_item) const; int get_item_height(TreeItem *p_item) const; void _update_all(); void update_column(int p_col); void update_item_cell(TreeItem *p_item, int p_col); void update_item_cache(TreeItem *p_item); //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); 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); 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 = nullptr, bool *r_in_range = nullptr, bool p_force_deselect = false); 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); void _text_editor_submit(String p_text); void _text_editor_modal_close(); void value_editor_changed(double p_value); void popup_select(int p_option); void _notification(int p_what); void item_edited(int p_column, TreeItem *p_item, MouseButton p_custom_mouse_index = MouseButton::NONE); 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 ThemeCache { Ref<StyleBox> panel_style; Ref<StyleBox> focus_style; Ref<Font> font; Ref<Font> tb_font; int font_size = 0; int tb_font_size = 0; 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; Ref<StyleBox> custom_button; Ref<StyleBox> custom_button_hover; Ref<StyleBox> custom_button_pressed; Color title_button_color; Ref<Texture2D> checked; Ref<Texture2D> unchecked; Ref<Texture2D> indeterminate; Ref<Texture2D> arrow; Ref<Texture2D> arrow_collapsed; Ref<Texture2D> arrow_collapsed_mirrored; 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; } theme_cache; struct Cache { 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_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: virtual void _update_theme_item_cache() override; 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 // TREE_H