d875706e01
As RichTextLabel returned a copy of the member (Vector) the editor was notified that the value had changed which caused the dropdown menu to be immediately closed after opening. The fix is to return the member (Array) in stead of a copy which is the same instance and thereby does not notify the editor that the value has changed.
596 lines
18 KiB
C++
596 lines
18 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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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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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 "rich_text_effect.h"
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#include "scene/gui/scroll_bar.h"
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#include "scene/resources/text_paragraph.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_ROMAN,
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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_FONT_SIZE,
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ITEM_FONT_FEATURES,
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ITEM_COLOR,
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ITEM_OUTLINE_SIZE,
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ITEM_OUTLINE_COLOR,
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ITEM_UNDERLINE,
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ITEM_STRIKETHROUGH,
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ITEM_PARAGRAPH,
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ITEM_INDENT,
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ITEM_LIST,
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ITEM_TABLE,
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ITEM_FADE,
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ITEM_SHAKE,
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ITEM_WAVE,
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ITEM_TORNADO,
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ITEM_RAINBOW,
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ITEM_BGCOLOR,
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ITEM_FGCOLOR,
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ITEM_META,
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ITEM_DROPCAP,
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ITEM_CUSTOMFX
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};
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protected:
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void _notification(int p_what);
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static void _bind_methods();
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void _validate_property(PropertyInfo &property) const override;
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private:
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struct Item;
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struct Line {
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Item *from = nullptr;
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Ref<TextParagraph> text_buf;
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Color dc_color;
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int dc_ol_size = 0;
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Color dc_ol_color;
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Vector2 offset;
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int char_offset = 0;
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int char_count = 0;
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Line() { text_buf.instantiate(); }
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};
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struct Item {
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int index = 0;
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int char_ofs = 0;
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Item *parent = nullptr;
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ItemType type = ITEM_FRAME;
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List<Item *> subitems;
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List<Item *>::Element *E = nullptr;
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int line = 0;
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void _clear_children() {
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while (subitems.size()) {
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memdelete(subitems.front()->get());
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subitems.pop_front();
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}
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}
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virtual ~Item() { _clear_children(); }
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};
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struct ItemFrame : public Item {
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bool cell = false;
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Vector<Line> lines;
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int first_invalid_line = 0;
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int first_resized_line = 0;
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ItemFrame *parent_frame = nullptr;
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Color odd_row_bg = Color(0, 0, 0, 0);
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Color even_row_bg = Color(0, 0, 0, 0);
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Color border = Color(0, 0, 0, 0);
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Size2 min_size_over = Size2(-1, -1);
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Size2 max_size_over = Size2(-1, -1);
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Rect2 padding;
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ItemFrame() { type = ITEM_FRAME; }
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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 ItemDropcap : public Item {
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String text;
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Ref<Font> font;
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int font_size = 0;
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Color color;
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int ol_size = 0;
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Color ol_color;
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Rect2 dropcap_margins;
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ItemDropcap() { type = ITEM_DROPCAP; }
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};
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struct ItemImage : public Item {
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Ref<Texture2D> image;
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InlineAlign inline_align = INLINE_ALIGN_CENTER;
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Size2 size;
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Color color;
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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 ItemFontSize : public Item {
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int font_size = 16;
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ItemFontSize() { type = ITEM_FONT_SIZE; }
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};
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struct ItemFontFeatures : public Item {
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Dictionary opentype_features;
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ItemFontFeatures() { type = ITEM_FONT_FEATURES; }
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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 ItemOutlineSize : public Item {
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int outline_size = 0;
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ItemOutlineSize() { type = ITEM_OUTLINE_SIZE; }
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};
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struct ItemOutlineColor : public Item {
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Color color;
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ItemOutlineColor() { type = ITEM_OUTLINE_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 ItemStrikethrough : public Item {
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ItemStrikethrough() { type = ITEM_STRIKETHROUGH; }
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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 ItemParagraph : public Item {
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Align align = ALIGN_LEFT;
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String language;
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Control::TextDirection direction = Control::TEXT_DIRECTION_AUTO;
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Control::StructuredTextParser st_parser = STRUCTURED_TEXT_DEFAULT;
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ItemParagraph() { type = ITEM_PARAGRAPH; }
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};
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struct ItemIndent : public Item {
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int level = 0;
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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 = LIST_DOTS;
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bool capitalize = false;
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int level = 0;
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ItemList() { type = ITEM_LIST; }
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};
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struct ItemNewline : public Item {
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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 = false;
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int expand_ratio = 0;
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int min_width = 0;
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int max_width = 0;
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int width = 0;
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};
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Vector<Column> columns;
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Vector<float> rows;
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int total_width = 0;
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int total_height = 0;
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InlineAlign inline_align = INLINE_ALIGN_TOP;
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ItemTable() { type = ITEM_TABLE; }
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};
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struct ItemFade : public Item {
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int starting_index = 0;
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int length = 0;
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ItemFade() { type = ITEM_FADE; }
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};
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struct ItemFX : public Item {
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double elapsed_time = 0.f;
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};
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struct ItemShake : public ItemFX {
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int strength = 0;
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float rate = 0.0f;
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uint64_t _current_rng = 0;
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uint64_t _previous_rng = 0;
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ItemShake() { type = ITEM_SHAKE; }
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void reroll_random() {
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_previous_rng = _current_rng;
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_current_rng = Math::rand();
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}
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uint64_t offset_random(int index) {
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return (_current_rng >> (index % 64)) |
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(_current_rng << (64 - (index % 64)));
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}
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uint64_t offset_previous_random(int index) {
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return (_previous_rng >> (index % 64)) |
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(_previous_rng << (64 - (index % 64)));
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}
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};
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struct ItemWave : public ItemFX {
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float frequency = 1.0f;
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float amplitude = 1.0f;
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ItemWave() { type = ITEM_WAVE; }
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};
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struct ItemTornado : public ItemFX {
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float radius = 1.0f;
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float frequency = 1.0f;
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ItemTornado() { type = ITEM_TORNADO; }
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};
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struct ItemRainbow : public ItemFX {
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float saturation = 0.8f;
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float value = 0.8f;
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float frequency = 1.0f;
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ItemRainbow() { type = ITEM_RAINBOW; }
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};
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struct ItemBGColor : public Item {
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Color color;
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ItemBGColor() { type = ITEM_BGCOLOR; }
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};
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struct ItemFGColor : public Item {
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Color color;
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ItemFGColor() { type = ITEM_FGCOLOR; }
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};
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struct ItemCustomFX : public ItemFX {
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Ref<CharFXTransform> char_fx_transform;
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Ref<RichTextEffect> custom_effect;
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ItemCustomFX() {
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type = ITEM_CUSTOMFX;
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char_fx_transform.instantiate();
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}
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virtual ~ItemCustomFX() {
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_clear_children();
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char_fx_transform.unref();
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custom_effect.unref();
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}
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};
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ItemFrame *main = nullptr;
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Item *current = nullptr;
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ItemFrame *current_frame = nullptr;
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VScrollBar *vscroll = nullptr;
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bool scroll_visible = false;
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bool scroll_follow = false;
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bool scroll_following = false;
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bool scroll_active = true;
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int scroll_w = 0;
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bool scroll_updated = false;
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bool updating_scroll = false;
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int current_idx = 1;
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int current_char_ofs = 0;
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int visible_paragraph_count = 0;
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int visible_line_count = 0;
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int tab_size = 4;
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bool underline_meta = true;
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bool override_selected_font_color = false;
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Align default_align = ALIGN_LEFT;
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ItemMeta *meta_hovering = nullptr;
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Variant current_meta;
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Array custom_effects;
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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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void _remove_item(Item *p_item, const int p_line, const int p_subitem_line);
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String language;
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TextDirection text_direction = TEXT_DIRECTION_AUTO;
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Control::StructuredTextParser st_parser = STRUCTURED_TEXT_DEFAULT;
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Array st_args;
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struct Selection {
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ItemFrame *click_frame = nullptr;
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int click_line = 0;
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Item *click_item = nullptr;
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int click_char = 0;
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ItemFrame *from_frame = nullptr;
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int from_line = 0;
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Item *from_item = nullptr;
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int from_char = 0;
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ItemFrame *to_frame = nullptr;
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int to_line = 0;
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Item *to_item = nullptr;
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int to_char = 0;
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bool active = false; // anything selected? i.e. from, to, etc. valid?
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bool enabled = false; // allow selections?
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};
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Selection selection;
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int visible_characters = -1;
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float percent_visible = 1.0;
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void _find_click(ItemFrame *p_frame, const Point2i &p_click, ItemFrame **r_click_frame = nullptr, int *r_click_line = nullptr, Item **r_click_item = nullptr, int *r_click_char = nullptr, bool *r_outside = nullptr);
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String _get_line_text(ItemFrame *p_frame, int p_line, Selection p_sel) const;
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bool _search_line(ItemFrame *p_frame, int p_line, const String &p_string, int p_char_idx, bool p_reverse_search);
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bool _search_table(ItemTable *p_table, List<Item *>::Element *p_from, const String &p_string, bool p_reverse_search);
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void _shape_line(ItemFrame *p_frame, int p_line, const Ref<Font> &p_base_font, int p_base_font_size, int p_width, int *r_char_offset);
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void _resize_line(ItemFrame *p_frame, int p_line, const Ref<Font> &p_base_font, int p_base_font_size, int p_width);
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int _draw_line(ItemFrame *p_frame, int p_line, const Vector2 &p_ofs, int p_width, const Color &p_base_color, int p_outline_size, const Color &p_outline_color, const Color &p_font_shadow_color, bool p_shadow_as_outline, const Point2 &shadow_ofs);
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float _find_click_in_line(ItemFrame *p_frame, int p_line, const Vector2 &p_ofs, int p_width, const Point2i &p_click, ItemFrame **r_click_frame = nullptr, int *r_click_line = nullptr, Item **r_click_item = nullptr, int *r_click_char = nullptr);
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String _roman(int p_num, bool p_capitalize) const;
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String _letters(int p_num, bool p_capitalize) const;
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Item *_get_item_at_pos(Item *p_item_from, Item *p_item_to, int p_position);
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void _find_frame(Item *p_item, ItemFrame **r_frame, int *r_line);
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Ref<Font> _find_font(Item *p_item);
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int _find_font_size(Item *p_item);
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Dictionary _find_font_features(Item *p_item);
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int _find_outline_size(Item *p_item, int p_default);
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ItemList *_find_list_item(Item *p_item);
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ItemDropcap *_find_dc_item(Item *p_item);
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int _find_list(Item *p_item, Vector<int> &r_index, Vector<ItemList *> &r_list);
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int _find_margin(Item *p_item, const Ref<Font> &p_base_font, int p_base_font_size);
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Align _find_align(Item *p_item);
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TextServer::Direction _find_direction(Item *p_item);
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Control::StructuredTextParser _find_stt(Item *p_item);
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String _find_language(Item *p_item);
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Color _find_color(Item *p_item, const Color &p_default_color);
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Color _find_outline_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_strikethrough(Item *p_item);
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bool _find_meta(Item *p_item, Variant *r_meta, ItemMeta **r_item = nullptr);
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Color _find_bgcolor(Item *p_item);
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Color _find_fgcolor(Item *p_item);
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bool _find_layout_subitem(Item *from, Item *to);
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void _fetch_item_fx_stack(Item *p_item, Vector<ItemFX *> &r_stack);
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void _update_scroll();
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void _update_fx(ItemFrame *p_frame, double p_delta_time);
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void _scroll_changed(double);
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virtual void gui_input(const Ref<InputEvent> &p_event) override;
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Item *_get_next_item(Item *p_item, bool p_free = false) const;
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Item *_get_prev_item(Item *p_item, bool p_free = false) const;
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Rect2 _get_text_rect();
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Ref<RichTextEffect> _get_custom_effect_by_code(String p_bbcode_identifier);
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virtual Dictionary parse_expressions_for_values(Vector<String> p_expressions);
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void _draw_fbg_boxes(RID p_ci, RID p_rid, Vector2 line_off, Item *it_from, Item *it_to, int start, int end, int fbg_flag);
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bool use_bbcode = false;
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String bbcode;
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int fixed_width = -1;
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bool fit_content_height = false;
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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<Texture2D> &p_image, const int p_width = 0, const int p_height = 0, const Color &p_color = Color(1.0, 1.0, 1.0), InlineAlign p_align = INLINE_ALIGN_CENTER);
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void add_newline();
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bool remove_line(const int p_line);
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void push_dropcap(const String &p_string, const Ref<Font> &p_font, int p_size, const Rect2 &p_dropcap_margins = Rect2(), const Color &p_color = Color(1, 1, 1), int p_ol_size = 0, const Color &p_ol_color = Color(0, 0, 0, 0));
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void push_font(const Ref<Font> &p_font);
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void push_font_size(int p_font_size);
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void push_font_features(const Dictionary &p_features);
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void push_outline_size(int p_font_size);
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void push_normal();
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void push_bold();
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void push_bold_italics();
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void push_italics();
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void push_mono();
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void push_color(const Color &p_color);
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void push_outline_color(const Color &p_color);
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void push_underline();
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void push_strikethrough();
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void push_paragraph(Align p_align, Control::TextDirection p_direction = Control::TEXT_DIRECTION_INHERITED, const String &p_language = "", Control::StructuredTextParser p_st_parser = STRUCTURED_TEXT_DEFAULT);
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void push_indent(int p_level);
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void push_list(int p_level, ListType p_list, bool p_capitalize);
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void push_meta(const Variant &p_meta);
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void push_table(int p_columns, InlineAlign p_align = INLINE_ALIGN_TOP);
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void push_fade(int p_start_index, int p_length);
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void push_shake(int p_strength, float p_rate);
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void push_wave(float p_frequency, float p_amplitude);
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void push_tornado(float p_frequency, float p_radius);
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void push_rainbow(float p_saturation, float p_value, float p_frequency);
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void push_bgcolor(const Color &p_color);
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void push_fgcolor(const Color &p_color);
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void push_customfx(Ref<RichTextEffect> p_custom_effect, Dictionary p_environment);
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void set_table_column_expand(int p_column, bool p_expand, int p_ratio = 1);
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void set_cell_row_background_color(const Color &p_odd_row_bg, const Color &p_even_row_bg);
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void set_cell_border_color(const Color &p_color);
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void set_cell_size_override(const Size2 &p_min_size, const Size2 &p_max_size);
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void set_cell_padding(const Rect2 &p_padding);
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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_override_selected_font_color(bool p_override_selected_font_color);
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bool is_overriding_selected_font_color() 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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void set_fit_content_height(bool p_enabled);
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bool is_fit_content_height_enabled() const;
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bool search(const String &p_string, bool p_from_selection = false, bool p_search_previous = false);
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void scroll_to_paragraph(int p_paragraph);
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int get_paragraph_count() const;
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int get_visible_paragraph_count() const;
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void scroll_to_line(int p_line);
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int get_line_count() const;
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int get_visible_line_count() const;
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int get_content_height() 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 override;
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void set_selection_enabled(bool p_enabled);
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bool is_selection_enabled() const;
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int get_selection_from() const;
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int get_selection_to() const;
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String get_selected_text() 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_text(const String &p_string);
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void set_text_direction(TextDirection p_text_direction);
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TextDirection get_text_direction() const;
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void set_language(const String &p_language);
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String get_language() const;
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void set_structured_text_bidi_override(Control::StructuredTextParser p_parser);
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Control::StructuredTextParser get_structured_text_bidi_override() const;
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void set_structured_text_bidi_override_options(Array p_args);
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Array get_structured_text_bidi_override_options() 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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void set_percent_visible(float p_percent);
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float get_percent_visible() const;
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void set_effects(Array p_effects);
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Array get_effects();
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void install_effect(const Variant effect);
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void set_fixed_size_to_width(int p_width);
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virtual Size2 get_minimum_size() const override;
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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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