118eed485e
All usages of "type" to refer to classes were renamed to "class" ClassDB has been exposed to GDScript. OBJ_TYPE() macro is now GDCLASS()
353 lines
8 KiB
C++
353 lines
8 KiB
C++
/*************************************************************************/
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/* rich_text_label.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) 2007-2017 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 RICH_TEXT_LABEL_H
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#define RICH_TEXT_LABEL_H
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#include "scene/gui/scroll_bar.h"
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class RichTextLabel : public Control {
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GDCLASS( RichTextLabel, Control );
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public:
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enum Align {
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ALIGN_LEFT,
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ALIGN_CENTER,
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ALIGN_RIGHT,
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ALIGN_FILL
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};
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enum ListType {
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LIST_NUMBERS,
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LIST_LETTERS,
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LIST_DOTS
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};
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enum ItemType {
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ITEM_FRAME,
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ITEM_TEXT,
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ITEM_IMAGE,
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ITEM_NEWLINE,
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ITEM_FONT,
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ITEM_COLOR,
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ITEM_UNDERLINE,
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ITEM_ALIGN,
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ITEM_INDENT,
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ITEM_LIST,
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ITEM_TABLE,
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ITEM_META
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};
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protected:
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static void _bind_methods();
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private:
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struct Item;
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struct Line {
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Item *from;
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Vector<int> offset_caches;
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Vector<int> height_caches;
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Vector<int> space_caches;
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int height_cache;
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int height_accum_cache;
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int char_count;
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int minimum_width;
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Line() { from=NULL; char_count=0; }
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};
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struct Item {
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int index;
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Item *parent;
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ItemType type;
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List<Item*> subitems;
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List<Item*>::Element *E;
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int line;
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void _clear_children() { while (subitems.size()) { memdelete(subitems.front()->get()); subitems.pop_front(); } }
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Item() { parent=NULL; E=NULL; line=0;}
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virtual ~Item() { _clear_children(); }
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};
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struct ItemFrame : public Item{
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int parent_line;
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bool cell;
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Vector<Line> lines;
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int first_invalid_line;
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ItemFrame *parent_frame;
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ItemFrame() { type=ITEM_FRAME; parent_frame=NULL; cell=false; parent_line=0; }
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};
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struct ItemText : public Item {
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String text;
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ItemText() { type=ITEM_TEXT; }
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};
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struct ItemImage : public Item {
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Ref<Texture> image;
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ItemImage() { type=ITEM_IMAGE; }
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};
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struct ItemFont : public Item {
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Ref<Font> font;
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ItemFont() { type=ITEM_FONT; }
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};
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struct ItemColor : public Item {
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Color color;
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ItemColor() { type=ITEM_COLOR; }
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};
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struct ItemUnderline : public Item {
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ItemUnderline() { type=ITEM_UNDERLINE; }
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};
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struct ItemMeta : public Item {
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Variant meta;
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ItemMeta() { type=ITEM_META; }
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};
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struct ItemAlign : public Item {
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Align align;
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ItemAlign() { type=ITEM_ALIGN; }
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};
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struct ItemIndent : public Item {
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int level;
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ItemIndent() { type=ITEM_INDENT; }
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};
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struct ItemList : public Item {
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ListType list_type;
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ItemList() { type=ITEM_LIST; }
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};
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struct ItemNewline : public Item {
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int line;
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ItemNewline() { type=ITEM_NEWLINE; }
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};
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struct ItemTable : public Item{
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struct Column {
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bool expand;
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int expand_ratio;
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int min_width;
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int width;
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};
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Vector<Column> columns;
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int total_width;
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ItemTable() { type=ITEM_TABLE; }
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};
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ItemFrame *main;
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Item *current;
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ItemFrame *current_frame;
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VScrollBar *vscroll;
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bool scroll_visible;
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bool scroll_follow;
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bool scroll_following;
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bool scroll_active;
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int scroll_w;
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bool updating_scroll;
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int current_idx;
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int tab_size;
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bool underline_meta;
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Align default_align;
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void _invalidate_current_line(ItemFrame *p_frame);
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void _validate_line_caches(ItemFrame *p_frame);
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void _add_item(Item *p_item, bool p_enter=false,bool p_ensure_newline=false);
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struct ProcessState {
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int line_width;
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};
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enum ProcessMode {
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PROCESS_CACHE,
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PROCESS_DRAW,
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PROCESS_POINTER
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};
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struct Selection {
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Item *click;
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int click_char;
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Item *from;
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int from_char;
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Item *to;
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int to_char;
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bool active;
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bool enabled;
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};
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Selection selection;
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int visible_characters;
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void _process_line(ItemFrame *p_frame,const Vector2& p_ofs,int &y, int p_width, int p_line, ProcessMode p_mode,const Ref<Font> &p_base_font,const Color &p_base_color,const Point2i& p_click_pos=Point2i(),Item **r_click_item=NULL,int *r_click_char=NULL,bool *r_outside=NULL,int p_char_count=0);
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void _find_click(ItemFrame *p_frame, const Point2i& p_click,Item **r_click_item=NULL,int *r_click_char=NULL,bool *r_outside=NULL);
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Ref<Font> _find_font(Item *p_item);
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int _find_margin(Item *p_item,const Ref<Font>& p_base_font);
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Align _find_align(Item *p_item);
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Color _find_color(Item *p_item,const Color& p_default_color);
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bool _find_underline(Item *p_item);
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bool _find_meta(Item *p_item,Variant *r_meta);
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void _update_scroll();
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void _scroll_changed(double);
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void _input_event(InputEvent p_event);
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Item *_get_next_item(Item* p_item, bool p_free=false);
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bool use_bbcode;
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String bbcode;
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void _update_all_lines();
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protected:
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void _notification(int p_what);
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public:
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String get_text();
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void add_text(const String& p_text);
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void add_image(const Ref<Texture>& p_image);
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void add_newline();
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void push_font(const Ref<Font>& p_font);
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void push_color(const Color& p_color);
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void push_underline();
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void push_align(Align p_align);
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void push_indent(int p_level);
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void push_list(ListType p_list);
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void push_meta(const Variant& p_data);
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void push_table(int p_columns);
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void set_table_column_expand(int p_column, bool p_expand, int p_ratio=1);
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int get_current_table_column() const;
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void push_cell();
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void pop();
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void clear();
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void set_offset(int p_pixel);
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void set_meta_underline(bool p_underline);
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bool is_meta_underlined() const;
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void set_scroll_active(bool p_active);
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bool is_scroll_active() const;
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void set_scroll_follow(bool p_follow);
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bool is_scroll_following() const;
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void set_tab_size(int p_spaces);
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int get_tab_size() const;
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bool search(const String& p_string,bool p_from_selection=false);
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void scroll_to_line(int p_line);
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int get_line_count() const;
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VScrollBar *get_v_scroll() { return vscroll; }
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virtual CursorShape get_cursor_shape(const Point2& p_pos) const;
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void set_selection_enabled(bool p_enabled);
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bool is_selection_enabled() const;
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void selection_copy();
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Error parse_bbcode(const String& p_bbcode);
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Error append_bbcode(const String& p_bbcode);
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void set_use_bbcode(bool p_enable);
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bool is_using_bbcode() const;
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void set_bbcode(const String& p_bbcode);
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String get_bbcode() const;
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void set_visible_characters(int p_visible);
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int get_visible_characters() const;
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int get_total_character_count() const;
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RichTextLabel();
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~RichTextLabel();
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};
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VARIANT_ENUM_CAST( RichTextLabel::Align );
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VARIANT_ENUM_CAST( RichTextLabel::ListType );
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VARIANT_ENUM_CAST( RichTextLabel::ItemType );
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#endif // RICH_TEXT_LABEL_H
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