354 lines
8 KiB
C++
354 lines
8 KiB
C++
/*************************************************************************/
|
|
/* rich_text_label.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* http://www.godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2016 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 RICH_TEXT_LABEL_H
|
|
#define RICH_TEXT_LABEL_H
|
|
|
|
|
|
#include "scene/gui/scroll_bar.h"
|
|
|
|
class RichTextLabel : public Control {
|
|
|
|
OBJ_TYPE( RichTextLabel, Control );
|
|
public:
|
|
|
|
enum Align {
|
|
|
|
ALIGN_LEFT,
|
|
ALIGN_CENTER,
|
|
ALIGN_RIGHT,
|
|
ALIGN_FILL
|
|
};
|
|
|
|
enum ListType {
|
|
|
|
LIST_NUMBERS,
|
|
LIST_LETTERS,
|
|
LIST_DOTS
|
|
};
|
|
|
|
enum ItemType {
|
|
|
|
ITEM_FRAME,
|
|
ITEM_TEXT,
|
|
ITEM_IMAGE,
|
|
ITEM_NEWLINE,
|
|
ITEM_FONT,
|
|
ITEM_COLOR,
|
|
ITEM_UNDERLINE,
|
|
ITEM_ALIGN,
|
|
ITEM_INDENT,
|
|
ITEM_LIST,
|
|
ITEM_TABLE,
|
|
ITEM_META
|
|
};
|
|
|
|
protected:
|
|
|
|
static void _bind_methods();
|
|
private:
|
|
|
|
struct Item;
|
|
|
|
struct Line {
|
|
|
|
Item *from;
|
|
Vector<int> offset_caches;
|
|
Vector<int> height_caches;
|
|
Vector<int> space_caches;
|
|
int height_cache;
|
|
int height_accum_cache;
|
|
int char_count;
|
|
int minimum_width;
|
|
|
|
Line() { from=NULL; char_count=0; }
|
|
};
|
|
|
|
|
|
|
|
struct Item {
|
|
|
|
int index;
|
|
Item *parent;
|
|
ItemType type;
|
|
List<Item*> subitems;
|
|
List<Item*>::Element *E;
|
|
int line;
|
|
|
|
void _clear_children() { while (subitems.size()) { memdelete(subitems.front()->get()); subitems.pop_front(); } }
|
|
|
|
Item() { parent=NULL; E=NULL; line=0;}
|
|
virtual ~Item() { _clear_children(); }
|
|
};
|
|
|
|
struct ItemFrame : public Item{
|
|
|
|
int parent_line;
|
|
bool cell;
|
|
Vector<Line> lines;
|
|
int first_invalid_line;
|
|
ItemFrame *parent_frame;
|
|
|
|
ItemFrame() { type=ITEM_FRAME; parent_frame=NULL; cell=false; parent_line=0; }
|
|
};
|
|
|
|
|
|
struct ItemText : public Item {
|
|
|
|
String text;
|
|
ItemText() { type=ITEM_TEXT; }
|
|
};
|
|
|
|
struct ItemImage : public Item {
|
|
|
|
Ref<Texture> image;
|
|
ItemImage() { type=ITEM_IMAGE; }
|
|
};
|
|
|
|
struct ItemFont : public Item {
|
|
|
|
Ref<Font> font;
|
|
ItemFont() { type=ITEM_FONT; }
|
|
};
|
|
|
|
struct ItemColor : public Item {
|
|
|
|
Color color;
|
|
ItemColor() { type=ITEM_COLOR; }
|
|
};
|
|
|
|
struct ItemUnderline : public Item {
|
|
|
|
ItemUnderline() { type=ITEM_UNDERLINE; }
|
|
};
|
|
|
|
struct ItemMeta : public Item {
|
|
|
|
Variant meta;
|
|
ItemMeta() { type=ITEM_META; }
|
|
};
|
|
|
|
struct ItemAlign : public Item {
|
|
|
|
Align align;
|
|
ItemAlign() { type=ITEM_ALIGN; }
|
|
};
|
|
|
|
struct ItemIndent : public Item {
|
|
|
|
int level;
|
|
ItemIndent() { type=ITEM_INDENT; }
|
|
};
|
|
|
|
struct ItemList : public Item {
|
|
|
|
ListType list_type;
|
|
ItemList() { type=ITEM_LIST; }
|
|
};
|
|
|
|
struct ItemNewline : public Item {
|
|
|
|
int line;
|
|
ItemNewline() { type=ITEM_NEWLINE; }
|
|
};
|
|
|
|
|
|
struct ItemTable : public Item{
|
|
|
|
struct Column {
|
|
bool expand;
|
|
int expand_ratio;
|
|
int min_width;
|
|
int width;
|
|
};
|
|
|
|
Vector<Column> columns;
|
|
int total_width;
|
|
ItemTable() { type=ITEM_TABLE; }
|
|
};
|
|
|
|
ItemFrame *main;
|
|
Item *current;
|
|
ItemFrame *current_frame;
|
|
|
|
VScrollBar *vscroll;
|
|
|
|
|
|
bool scroll_visible;
|
|
bool scroll_follow;
|
|
bool scroll_following;
|
|
bool scroll_active;
|
|
int scroll_w;
|
|
bool updating_scroll;
|
|
int current_idx;
|
|
|
|
|
|
int tab_size;
|
|
bool underline_meta;
|
|
|
|
Align default_align;
|
|
|
|
void _invalidate_current_line(ItemFrame *p_frame);
|
|
void _validate_line_caches(ItemFrame *p_frame);
|
|
|
|
void _add_item(Item *p_item, bool p_enter=false,bool p_ensure_newline=false);
|
|
|
|
|
|
|
|
|
|
struct ProcessState {
|
|
|
|
int line_width;
|
|
};
|
|
|
|
enum ProcessMode {
|
|
|
|
PROCESS_CACHE,
|
|
PROCESS_DRAW,
|
|
PROCESS_POINTER
|
|
};
|
|
|
|
struct Selection {
|
|
|
|
Item *click;
|
|
int click_char;
|
|
|
|
Item *from;
|
|
int from_char;
|
|
Item *to;
|
|
int to_char;
|
|
|
|
bool active;
|
|
bool enabled;
|
|
};
|
|
|
|
Selection selection;
|
|
|
|
|
|
int visible_characters;
|
|
|
|
|
|
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);
|
|
void _find_click(ItemFrame *p_frame, const Point2i& p_click,Item **r_click_item=NULL,int *r_click_char=NULL,bool *r_outside=NULL);
|
|
|
|
|
|
Ref<Font> _find_font(Item *p_item);
|
|
int _find_margin(Item *p_item,const Ref<Font>& p_base_font);
|
|
Align _find_align(Item *p_item);
|
|
Color _find_color(Item *p_item,const Color& p_default_color);
|
|
bool _find_underline(Item *p_item);
|
|
bool _find_meta(Item *p_item,Variant *r_meta);
|
|
|
|
void _update_scroll();
|
|
void _scroll_changed(double);
|
|
|
|
void _input_event(InputEvent p_event);
|
|
Item *_get_next_item(Item* p_item, bool p_free=false);
|
|
|
|
bool use_bbcode;
|
|
String bbcode;
|
|
|
|
void _update_all_lines();
|
|
|
|
protected:
|
|
void _notification(int p_what);
|
|
|
|
public:
|
|
|
|
String get_text();
|
|
void add_text(const String& p_text);
|
|
void add_image(const Ref<Texture>& p_image);
|
|
void add_newline();
|
|
void push_font(const Ref<Font>& p_font);
|
|
void push_color(const Color& p_color);
|
|
void push_underline();
|
|
void push_align(Align p_align);
|
|
void push_indent(int p_level);
|
|
void push_list(ListType p_list);
|
|
void push_meta(const Variant& p_data);
|
|
void push_table(int p_columns);
|
|
void set_table_column_expand(int p_column, bool p_expand, int p_ratio=1);
|
|
int get_current_table_column() const;
|
|
void push_cell();
|
|
void pop();
|
|
|
|
void clear();
|
|
|
|
void set_offset(int p_pixel);
|
|
|
|
void set_meta_underline(bool p_underline);
|
|
bool is_meta_underlined() const;
|
|
|
|
void set_scroll_active(bool p_active);
|
|
bool is_scroll_active() const;
|
|
|
|
void set_scroll_follow(bool p_follow);
|
|
bool is_scroll_following() const;
|
|
|
|
void set_tab_size(int p_spaces);
|
|
int get_tab_size() const;
|
|
|
|
|
|
|
|
bool search(const String& p_string,bool p_from_selection=false);
|
|
|
|
void scroll_to_line(int p_line);
|
|
int get_line_count() const;
|
|
|
|
VScrollBar *get_v_scroll() { return vscroll; }
|
|
|
|
virtual CursorShape get_cursor_shape(const Point2& p_pos) const;
|
|
|
|
void set_selection_enabled(bool p_enabled);
|
|
bool is_selection_enabled() const;
|
|
void selection_copy();
|
|
|
|
|
|
Error parse_bbcode(const String& p_bbcode);
|
|
Error append_bbcode(const String& p_bbcode);
|
|
|
|
void set_use_bbcode(bool p_enable);
|
|
bool is_using_bbcode() const;
|
|
|
|
void set_bbcode(const String& p_bbcode);
|
|
String get_bbcode() const;
|
|
|
|
void set_visible_characters(int p_visible);
|
|
int get_visible_characters() const;
|
|
int get_total_character_count() const;
|
|
|
|
RichTextLabel();
|
|
~RichTextLabel();
|
|
};
|
|
|
|
VARIANT_ENUM_CAST( RichTextLabel::Align );
|
|
VARIANT_ENUM_CAST( RichTextLabel::ListType );
|
|
VARIANT_ENUM_CAST( RichTextLabel::ItemType );
|
|
|
|
#endif // RICH_TEXT_LABEL_H
|