2097 lines
48 KiB
C++
2097 lines
48 KiB
C++
/*************************************************************************/
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/* rich_text_label.cpp */
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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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#include "rich_text_label.h"
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#include "scene/scene_string_names.h"
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#include "os/keyboard.h"
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#include "os/os.h"
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RichTextLabel::Item *RichTextLabel::_get_next_item(Item* p_item,bool p_free) {
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if (p_free) {
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if (p_item->subitems.size()) {
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return p_item->subitems.front()->get();
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} else if (!p_item->parent) {
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return NULL;
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} else if (p_item->E->next()) {
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return p_item->E->next()->get();
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} else {
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//go up until something with a next is found
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while (p_item->parent && !p_item->E->next()) {
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p_item=p_item->parent;
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}
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if (p_item->parent)
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return p_item->E->next()->get();
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else
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return NULL;
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}
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} else {
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if (p_item->subitems.size() && p_item->type!=ITEM_TABLE) {
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return p_item->subitems.front()->get();
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} else if (p_item->type==ITEM_FRAME) {
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return NULL;
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} else if (p_item->E->next()) {
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return p_item->E->next()->get();
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} else {
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//go up until something with a next is found
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while (p_item->type!=ITEM_FRAME && !p_item->E->next()) {
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p_item=p_item->parent;
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}
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if (p_item->type!=ITEM_FRAME)
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return p_item->E->next()->get();
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else
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return NULL;
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}
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}
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return NULL;
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}
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void RichTextLabel::_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,Item **r_click_item,int *r_click_char,bool *r_outside,int p_char_count) {
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RID ci;
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if (r_outside)
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*r_outside=false;
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if (p_mode==PROCESS_DRAW) {
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ci=get_canvas_item();
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if (r_click_item)
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*r_click_item=NULL;
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}
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Line &l = p_frame->lines[p_line];
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Item *it = l.from;
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int line_ofs=0;
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int margin=_find_margin(it,p_base_font);
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Align align=_find_align(it);
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int line=0;
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int spaces=0;
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if (p_mode!=PROCESS_CACHE) {
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ERR_FAIL_INDEX(line,l.offset_caches.size());
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line_ofs = l.offset_caches[line];
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}
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if (p_mode==PROCESS_CACHE) {
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l.offset_caches.clear();
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l.height_caches.clear();
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l.char_count=0;
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l.minimum_width=0;
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}
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int wofs=margin;
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int spaces_size=0;
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int align_ofs=0;
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if (p_mode!=PROCESS_CACHE && align!=ALIGN_FILL)
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wofs+=line_ofs;
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int begin=wofs;
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Ref<Font> cfont = _find_font(it);
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if (cfont.is_null())
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cfont=p_base_font;
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//line height should be the font height for the first time, this ensures that an empty line will never have zero height and succesive newlines are displayed
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int line_height=cfont->get_height();
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Variant meta;
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#define NEW_LINE \
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{\
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if (p_mode!=PROCESS_CACHE) {\
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line++;\
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if (line < l.offset_caches.size())\
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line_ofs=l.offset_caches[line];\
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wofs=margin;\
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if (align!=ALIGN_FILL)\
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wofs+=line_ofs;\
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} else {\
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int used=wofs-margin;\
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switch(align) {\
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case ALIGN_LEFT: l.offset_caches.push_back(0); break;\
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case ALIGN_CENTER: l.offset_caches.push_back(((p_width-margin)-used)/2); break;\
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case ALIGN_RIGHT: l.offset_caches.push_back(((p_width-margin)-used)); break;\
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case ALIGN_FILL: l.offset_caches.push_back((p_width-margin)-used/*+spaces_size*/); break;\
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}\
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l.height_caches.push_back(line_height);\
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l.space_caches.push_back(spaces);\
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}\
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y+=line_height+get_constant(SceneStringNames::get_singleton()->line_separation);\
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line_height=0;\
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spaces=0;\
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spaces_size=0;\
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wofs=begin;\
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align_ofs=0;\
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if (p_mode!=PROCESS_CACHE) {\
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lh=line<l.height_caches.size()?l.height_caches[line]:1;\
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}\
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if (p_mode==PROCESS_POINTER && r_click_item && p_click_pos.y>=p_ofs.y+y && p_click_pos.y<=p_ofs.y+y+lh && p_click_pos.x<p_ofs.x+wofs) {\
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if (r_outside) *r_outside=true;\
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*r_click_item=it;\
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*r_click_char=rchar;\
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return;\
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}\
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}
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#define ENSURE_WIDTH(m_width) \
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if (p_mode==PROCESS_CACHE) { \
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l.minimum_width=MAX(l.minimum_width,wofs+m_width);\
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}\
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if (wofs + m_width > p_width) {\
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if (p_mode==PROCESS_CACHE) {\
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if (spaces>0) \
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spaces-=1;\
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}\
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if (p_mode==PROCESS_POINTER && r_click_item && p_click_pos.y>=p_ofs.y+y && p_click_pos.y<=p_ofs.y+y+lh && p_click_pos.x>p_ofs.x+wofs) {\
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if (r_outside) *r_outside=true; \
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*r_click_item=it;\
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*r_click_char=rchar;\
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return;\
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}\
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NEW_LINE\
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}
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#define ADVANCE(m_width) \
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{\
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if (p_mode==PROCESS_POINTER && r_click_item && p_click_pos.y>=p_ofs.y+y && p_click_pos.y<=p_ofs.y+y+lh && p_click_pos.x>=p_ofs.x+wofs && p_click_pos.x<p_ofs.x+wofs+m_width) {\
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if (r_outside) *r_outside=false; \
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*r_click_item=it;\
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*r_click_char=rchar;\
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return;\
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}\
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wofs+=m_width;\
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}
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#define CHECK_HEIGHT( m_height ) \
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if (m_height > line_height) {\
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line_height=m_height;\
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}
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Color selection_fg;
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Color selection_bg;
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if (p_mode==PROCESS_DRAW) {
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selection_fg = get_color("font_color_selected");
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selection_bg = get_color("selection_color");
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}
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int rchar=0;
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int lh=0;
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while (it) {
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switch(it->type) {
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case ITEM_TEXT: {
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ItemText *text = static_cast<ItemText*>(it);
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Ref<Font> font=_find_font(it);
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if (font.is_null())
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font=p_base_font;
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const CharType *c = text->text.c_str();
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const CharType *cf=c;
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int fh=font->get_height();
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int ascent = font->get_ascent();
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Color color;
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bool underline=false;
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if (p_mode==PROCESS_DRAW) {
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color=_find_color(text,p_base_color);
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underline=_find_underline(text);
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if (_find_meta(text,&meta)) {
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underline=true;
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}
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} else if (p_mode==PROCESS_CACHE) {
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l.char_count+=text->text.length();
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}
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rchar=0;
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while(*c) {
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int end=0;
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int w=0;
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int fw=0;
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lh=0;
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if (p_mode!=PROCESS_CACHE) {
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lh=line<l.height_caches.size()?l.height_caches[line]:1;
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}
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while (c[end]!=0 && !(end && c[end-1]==' ' && c[end]!=' ')) {
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int cw = font->get_char_size(c[end],c[end+1]).width;
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if (c[end]=='\t') {
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cw=tab_size*font->get_char_size(' ').width;
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}
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if (end>0 && w+cw+begin > p_width ) {
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break; //don't allow lines longer than assigned width
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}
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w+=cw;
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fw+=cw;
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end++;
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}
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ENSURE_WIDTH(w);
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if (end && c[end-1]==' ') {
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if (p_mode==PROCESS_CACHE) {
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spaces_size+=font->get_char_size(' ').width;
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} else if (align==ALIGN_FILL) {
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int ln = MIN(l.offset_caches.size()-1,line);
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if (l.space_caches[ln]) {
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align_ofs = spaces * l.offset_caches[ln] / l.space_caches[ln];
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}
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}
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spaces++;
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}
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{
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int ofs=0;
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for(int i=0;i<end;i++) {
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int pofs=wofs+ofs;
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if (p_mode==PROCESS_POINTER && r_click_char && p_click_pos.y>=p_ofs.y+y && p_click_pos.y<=p_ofs.y+y+lh) {
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//int o = (wofs+w)-p_click_pos.x;
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int cw=font->get_char_size(c[i],c[i+1]).x;
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if (c[i]=='\t') {
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cw=tab_size*font->get_char_size(' ').width;
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}
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if (p_click_pos.x-cw/2>p_ofs.x+align_ofs+pofs) {
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rchar=int((&c[i])-cf);
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}
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ofs+=cw;
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} else if (p_mode==PROCESS_DRAW) {
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bool selected=false;
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if (selection.active) {
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int cofs = (&c[i])-cf;
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if ((text->index > selection.from->index || (text->index == selection.from->index && cofs >=selection.from_char)) && (text->index < selection.to->index || (text->index == selection.to->index && cofs <=selection.to_char))) {
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selected=true;
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}
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}
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int cw=0;
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bool visible = visible_characters<0 || p_char_count<visible_characters;
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if (c[i]=='\t')
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visible=false;
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if (selected) {
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cw = font->get_char_size(c[i],c[i+1]).x;
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draw_rect(Rect2(p_ofs.x+pofs,p_ofs.y+y,cw,lh),selection_bg);
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if (visible)
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font->draw_char(ci,p_ofs+Point2(align_ofs+pofs,y+lh-(fh-ascent)),c[i],c[i+1],selection_fg);
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} else {
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if (visible)
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cw=font->draw_char(ci,p_ofs+Point2(align_ofs+pofs,y+lh-(fh-ascent)),c[i],c[i+1],color);
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}
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p_char_count++;
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if (c[i]=='\t') {
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cw=tab_size*font->get_char_size(' ').width;
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}
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if (underline) {
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Color uc=color;
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uc.a*=0.5;
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int uy = y+lh-fh+ascent+2;
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VS::get_singleton()->canvas_item_add_line(ci,p_ofs+Point2(align_ofs+pofs,uy),p_ofs+Point2(align_ofs+pofs+cw,uy),uc);
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}
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ofs+=cw;
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}
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}
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}
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ADVANCE(fw);
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CHECK_HEIGHT(fh); //must be done somewhere
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c=&c[end];
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}
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} break;
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case ITEM_IMAGE: {
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lh=0;
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if (p_mode!=PROCESS_CACHE)
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lh = line<l.height_caches.size()?l.height_caches[line]:1;
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else
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l.char_count+=1; //images count as chars too
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ItemImage *img = static_cast<ItemImage*>(it);
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Ref<Font> font=_find_font(it);
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if (font.is_null())
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font=p_base_font;
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if (p_mode==PROCESS_POINTER && r_click_char)
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*r_click_char=0;
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ENSURE_WIDTH( img->image->get_width() );
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bool visible = visible_characters<0 || p_char_count<visible_characters;
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if (p_mode==PROCESS_DRAW && visible) {
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img->image->draw(ci,p_ofs+Point2(align_ofs+wofs,y+lh-font->get_descent()-img->image->get_height()));
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}
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p_char_count++;
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ADVANCE( img->image->get_width() );
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CHECK_HEIGHT( (img->image->get_height()+font->get_descent()) );
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} break;
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case ITEM_NEWLINE: {
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lh=0;
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if (p_mode!=PROCESS_CACHE)
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lh = line<l.height_caches.size()?l.height_caches[line]:1;
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} break;
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case ITEM_TABLE: {
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lh=0;
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ItemTable *table = static_cast<ItemTable*>(it);
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int hseparation=get_constant("table_hseparation");
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int vseparation=get_constant("table_vseparation");
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Color ccolor = _find_color(table,p_base_color);
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Vector2 draw_ofs = Point2(wofs,y);
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if (p_mode==PROCESS_CACHE) {
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int idx=0;
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//set minimums to zero
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for(int i=0;i<table->columns.size();i++) {
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table->columns[i].min_width=0;
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table->columns[i].width=0;
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}
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//compute minimum width for each cell
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for (List<Item*>::Element *E=table->subitems.front();E;E=E->next()) {
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ERR_CONTINUE(E->get()->type!=ITEM_FRAME); //children should all be frames
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ItemFrame *frame = static_cast<ItemFrame*>(E->get());
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int column = idx % table->columns.size();
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int ly=0;
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for(int i=0;i<frame->lines.size();i++) {
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_process_line(frame,Point2(),ly,p_width,i,PROCESS_CACHE,cfont,Color());
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table->columns[column].min_width=MAX( table->columns[i].min_width, frame->lines[i].minimum_width );
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}
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idx++;
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}
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//compute available width and total radio (for expanders)
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int total_ratio=0;
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int available_width=p_width - hseparation * (table->columns.size() -1);
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table->total_width=hseparation;
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for(int i=0;i<table->columns.size();i++) {
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available_width-=table->columns[i].min_width;
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if (table->columns[i].expand)
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total_ratio+=table->columns[i].expand_ratio;
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}
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//assign actual widths
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for(int i=0;i<table->columns.size();i++) {
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table->columns[i].width = table->columns[i].min_width;
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if (table->columns[i].expand)
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table->columns[i].width+=table->columns[i].expand_ratio*available_width/total_ratio;
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table->total_width+=table->columns[i].width+hseparation;
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}
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//compute caches properly again with the right width
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idx=0;
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for (List<Item*>::Element *E=table->subitems.front();E;E=E->next()) {
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ERR_CONTINUE(E->get()->type!=ITEM_FRAME); //children should all be frames
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ItemFrame *frame = static_cast<ItemFrame*>(E->get());
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int column = idx % table->columns.size();
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for(int i=0;i<frame->lines.size();i++) {
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int ly=0;
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_process_line(frame,Point2(),ly,table->columns[column].width,i,PROCESS_CACHE,cfont,Color());
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frame->lines[i].height_cache=ly; //actual height
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frame->lines[i].height_accum_cache=ly; //actual height
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}
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idx++;
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}
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}
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Point2 offset(align_ofs+hseparation,vseparation);
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int row_height=0;
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//draw using computed caches
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int idx=0;
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for (List<Item*>::Element *E=table->subitems.front();E;E=E->next()) {
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ERR_CONTINUE(E->get()->type!=ITEM_FRAME); //children should all be frames
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ItemFrame *frame = static_cast<ItemFrame*>(E->get());
|
|
|
|
int column = idx % table->columns.size();
|
|
|
|
int ly=0;
|
|
int yofs=0;
|
|
|
|
|
|
int lines_h = frame->lines[frame->lines.size()-1].height_accum_cache - (frame->lines[0].height_accum_cache - frame->lines[0].height_cache);
|
|
int lines_ofs = p_ofs.y+offset.y+draw_ofs.y;
|
|
|
|
bool visible = lines_ofs < get_size().height && lines_ofs+lines_h >=0;
|
|
|
|
for(int i=0;i<frame->lines.size();i++) {
|
|
|
|
|
|
if (visible) {
|
|
if (p_mode==PROCESS_DRAW) {
|
|
_process_line(frame,p_ofs+offset+draw_ofs+Vector2(0,yofs),ly,table->columns[column].width,i,PROCESS_DRAW,cfont,ccolor);
|
|
} else if (p_mode==PROCESS_POINTER) {
|
|
_process_line(frame,p_ofs+offset+draw_ofs+Vector2(0,yofs),ly,table->columns[column].width,i,PROCESS_POINTER,cfont,ccolor,p_click_pos,r_click_item,r_click_char,r_outside);
|
|
}
|
|
}
|
|
|
|
yofs+=frame->lines[i].height_cache;
|
|
if (p_mode==PROCESS_CACHE) {
|
|
frame->lines[i].height_accum_cache=offset.y+draw_ofs.y+frame->lines[i].height_cache;
|
|
}
|
|
|
|
}
|
|
|
|
row_height=MAX(yofs,row_height);
|
|
offset.x+=table->columns[column].width+hseparation;
|
|
|
|
if (column==table->columns.size()-1) {
|
|
|
|
offset.y+=row_height+vseparation;
|
|
offset.x=hseparation;
|
|
row_height=0;
|
|
}
|
|
idx++;
|
|
}
|
|
|
|
int total_height = offset.y;
|
|
if (row_height) {
|
|
total_height=row_height+vseparation;
|
|
}
|
|
|
|
|
|
|
|
ADVANCE( table->total_width );
|
|
CHECK_HEIGHT( total_height );
|
|
|
|
} break;
|
|
|
|
default: {}
|
|
|
|
}
|
|
|
|
|
|
Item *itp = it;
|
|
|
|
it = _get_next_item(it);
|
|
|
|
if (p_mode == PROCESS_POINTER && r_click_item && itp && !it && p_click_pos.y>p_ofs.y+y+lh) {
|
|
//at the end of all, return this
|
|
if (r_outside) *r_outside=true;
|
|
*r_click_item=itp;
|
|
*r_click_char=rchar;
|
|
return;
|
|
}
|
|
|
|
if (it && (p_line+1 < p_frame->lines.size()) && p_frame->lines[p_line+1].from==it) {
|
|
|
|
if (p_mode==PROCESS_POINTER && r_click_item && p_click_pos.y>=p_ofs.y+y && p_click_pos.y<=p_ofs.y+y+lh) {
|
|
//went to next line, but pointer was on the previous one
|
|
if (r_outside) *r_outside=true;
|
|
*r_click_item=itp;
|
|
*r_click_char=rchar;
|
|
return;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
NEW_LINE;
|
|
|
|
#undef NEW_LINE
|
|
#undef ENSURE_WIDTH
|
|
#undef ADVANCE
|
|
#undef CHECK_HEIGHT
|
|
|
|
}
|
|
|
|
void RichTextLabel::_scroll_changed(double) {
|
|
|
|
if (updating_scroll)
|
|
return;
|
|
|
|
if (scroll_follow && vscroll->get_val()>=(vscroll->get_max()-vscroll->get_page()))
|
|
scroll_following=true;
|
|
else
|
|
scroll_following=false;
|
|
|
|
update();
|
|
|
|
}
|
|
|
|
void RichTextLabel::_update_scroll() {
|
|
|
|
int total_height=0;
|
|
if (main->lines.size())
|
|
total_height=main->lines[main->lines.size()-1].height_accum_cache;
|
|
|
|
bool exceeds = total_height > get_size().height && scroll_active;
|
|
|
|
|
|
if (exceeds!=scroll_visible) {
|
|
|
|
if (exceeds) {
|
|
scroll_visible=true;
|
|
main->first_invalid_line=0;
|
|
scroll_w=vscroll->get_combined_minimum_size().width;
|
|
vscroll->show();
|
|
vscroll->set_anchor_and_margin( MARGIN_LEFT, ANCHOR_END,scroll_w);
|
|
_validate_line_caches(main);
|
|
|
|
} else {
|
|
|
|
scroll_visible=false;
|
|
vscroll->hide();
|
|
scroll_w=0;
|
|
_validate_line_caches(main);
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
void RichTextLabel::_notification(int p_what) {
|
|
|
|
switch (p_what) {
|
|
|
|
case NOTIFICATION_RESIZED: {
|
|
|
|
main->first_invalid_line=0; //invalidate ALL
|
|
update();
|
|
|
|
} break;
|
|
case NOTIFICATION_ENTER_TREE: {
|
|
|
|
if (bbcode != "")
|
|
set_bbcode(bbcode);
|
|
|
|
main->first_invalid_line=0; //invalidate ALL
|
|
update();
|
|
|
|
} break;
|
|
case NOTIFICATION_THEME_CHANGED: {
|
|
|
|
if (is_inside_tree() && use_bbcode) {
|
|
parse_bbcode(bbcode);
|
|
//first_invalid_line=0; //invalidate ALL
|
|
//update();
|
|
}
|
|
|
|
} break;
|
|
case NOTIFICATION_DRAW: {
|
|
|
|
_validate_line_caches(main);
|
|
_update_scroll();
|
|
|
|
|
|
RID ci=get_canvas_item();
|
|
Size2 size = get_size();
|
|
|
|
VisualServer::get_singleton()->canvas_item_set_clip(ci,true);
|
|
|
|
if (has_focus()) {
|
|
VisualServer::get_singleton()->canvas_item_add_clip_ignore(ci,true);
|
|
draw_style_box(get_stylebox("focus"),Rect2(Point2(),size));
|
|
VisualServer::get_singleton()->canvas_item_add_clip_ignore(ci,false);
|
|
}
|
|
|
|
int ofs = vscroll->get_val();
|
|
|
|
//todo, change to binary search
|
|
|
|
int from_line = 0;
|
|
int total_chars = 0;
|
|
while (from_line<main->lines.size()) {
|
|
|
|
if (main->lines[from_line].height_accum_cache>=ofs)
|
|
break;
|
|
from_line++;
|
|
total_chars+=main->lines[from_line].char_count;
|
|
}
|
|
|
|
if (from_line>=main->lines.size())
|
|
break; //nothing to draw
|
|
|
|
int y = (main->lines[from_line].height_accum_cache - main->lines[from_line].height_cache) - ofs;
|
|
Ref<Font> base_font=get_font("normal_font");
|
|
Color base_color=get_color("default_color");
|
|
|
|
while (y<size.height && from_line<main->lines.size()) {
|
|
|
|
_process_line(main,Point2(),y,size.width-scroll_w,from_line,PROCESS_DRAW,base_font,base_color,Point2i(),NULL,NULL,NULL,total_chars);
|
|
total_chars+=main->lines[from_line].char_count;
|
|
from_line++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void RichTextLabel::_find_click(ItemFrame* p_frame,const Point2i& p_click,Item **r_click_item,int *r_click_char,bool *r_outside) {
|
|
|
|
if (r_click_item)
|
|
*r_click_item=NULL;
|
|
|
|
Size2 size = get_size();
|
|
|
|
int ofs = vscroll->get_val();
|
|
|
|
//todo, change to binary search
|
|
int from_line = 0;
|
|
|
|
while (from_line<p_frame->lines.size()) {
|
|
|
|
if (p_frame->lines[from_line].height_accum_cache>=ofs)
|
|
break;
|
|
from_line++;
|
|
}
|
|
|
|
|
|
if (from_line>=p_frame->lines.size())
|
|
return;
|
|
|
|
|
|
int y = (p_frame->lines[from_line].height_accum_cache - p_frame->lines[from_line].height_cache) - ofs;
|
|
Ref<Font> base_font=get_font("normal_font");
|
|
Color base_color=get_color("default_color");
|
|
|
|
|
|
while (y<size.height && from_line<p_frame->lines.size()) {
|
|
|
|
_process_line(p_frame,Point2(),y,size.width-scroll_w,from_line,PROCESS_POINTER,base_font,base_color,p_click,r_click_item,r_click_char,r_outside);
|
|
if (r_click_item && *r_click_item)
|
|
return;
|
|
from_line++;
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
Control::CursorShape RichTextLabel::get_cursor_shape(const Point2& p_pos) const {
|
|
|
|
if (!underline_meta || selection.click)
|
|
return CURSOR_ARROW;
|
|
|
|
if (main->first_invalid_line<main->lines.size())
|
|
return CURSOR_ARROW; //invalid
|
|
|
|
int line=0;
|
|
Item *item=NULL;
|
|
|
|
((RichTextLabel*)(this))->_find_click(main,p_pos,&item,&line);
|
|
|
|
|
|
if (item && ((RichTextLabel*)(this))->_find_meta(item,NULL))
|
|
return CURSOR_POINTING_HAND;
|
|
|
|
return CURSOR_ARROW;
|
|
}
|
|
|
|
|
|
void RichTextLabel::_input_event(InputEvent p_event) {
|
|
|
|
switch(p_event.type) {
|
|
|
|
case InputEvent::MOUSE_BUTTON: {
|
|
|
|
if (main->first_invalid_line<main->lines.size())
|
|
return;
|
|
|
|
const InputEventMouseButton& b = p_event.mouse_button;
|
|
|
|
if (b.button_index==BUTTON_LEFT) {
|
|
|
|
if (true) {
|
|
|
|
|
|
if (b.pressed && !b.doubleclick) {
|
|
int line=0;
|
|
Item *item=NULL;
|
|
|
|
bool outside;
|
|
_find_click(main,Point2i(b.x,b.y),&item,&line,&outside);
|
|
|
|
if (item) {
|
|
|
|
Variant meta;
|
|
if (!outside && _find_meta(item,&meta)) {
|
|
//meta clicked
|
|
|
|
emit_signal("meta_clicked",meta);
|
|
} else if (selection.enabled) {
|
|
|
|
selection.click=item;
|
|
selection.click_char=line;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else if (!b.pressed) {
|
|
|
|
selection.click=NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (b.button_index==BUTTON_WHEEL_UP) {
|
|
|
|
if (scroll_active)
|
|
vscroll->set_val( vscroll->get_val()-vscroll->get_page()/8 );
|
|
}
|
|
if (b.button_index==BUTTON_WHEEL_DOWN) {
|
|
|
|
if (scroll_active)
|
|
vscroll->set_val( vscroll->get_val()+vscroll->get_page()/8 );
|
|
}
|
|
} break;
|
|
case InputEvent::KEY: {
|
|
|
|
const InputEventKey &k=p_event.key;
|
|
if (k.pressed && !k.mod.alt && !k.mod.shift && !k.mod.meta) {
|
|
bool handled=true;
|
|
switch(k.scancode) {
|
|
case KEY_PAGEUP: {
|
|
|
|
if (vscroll->is_visible())
|
|
vscroll->set_val( vscroll->get_val() - vscroll->get_page() );
|
|
} break;
|
|
case KEY_PAGEDOWN: {
|
|
|
|
if (vscroll->is_visible())
|
|
vscroll->set_val( vscroll->get_val() + vscroll->get_page() );
|
|
} break;
|
|
case KEY_UP: {
|
|
|
|
if (vscroll->is_visible())
|
|
vscroll->set_val( vscroll->get_val() - get_font("normal_font")->get_height() );
|
|
} break;
|
|
case KEY_DOWN: {
|
|
|
|
if (vscroll->is_visible())
|
|
vscroll->set_val( vscroll->get_val() + get_font("normal_font")->get_height() );
|
|
} break;
|
|
case KEY_HOME: {
|
|
|
|
if (vscroll->is_visible())
|
|
vscroll->set_val( 0 );
|
|
} break;
|
|
case KEY_END: {
|
|
|
|
if (vscroll->is_visible())
|
|
vscroll->set_val( vscroll->get_max() );
|
|
} break;
|
|
case KEY_INSERT:
|
|
case KEY_C: {
|
|
|
|
if (k.mod.command) {
|
|
selection_copy();
|
|
} else {
|
|
handled=false;
|
|
}
|
|
|
|
} break;
|
|
default: handled=false;
|
|
}
|
|
|
|
|
|
if (handled)
|
|
accept_event();
|
|
}
|
|
|
|
} break;
|
|
case InputEvent::MOUSE_MOTION: {
|
|
|
|
if (main->first_invalid_line<main->lines.size())
|
|
return;
|
|
|
|
const InputEventMouseMotion& m = p_event.mouse_motion;
|
|
|
|
if (selection.click) {
|
|
|
|
int line=0;
|
|
Item *item=NULL;
|
|
_find_click(main,Point2i(m.x,m.y),&item,&line);
|
|
if (!item)
|
|
return; // do not update
|
|
|
|
|
|
selection.from=selection.click;
|
|
selection.from_char=selection.click_char;
|
|
|
|
selection.to=item;
|
|
selection.to_char=line;
|
|
|
|
bool swap=false;
|
|
if (selection.from->index > selection.to->index )
|
|
swap=true;
|
|
else if (selection.from->index == selection.to->index) {
|
|
if (selection.from_char > selection.to_char)
|
|
swap=true;
|
|
else if (selection.from_char == selection.to_char) {
|
|
|
|
selection.active=false;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (swap) {
|
|
SWAP( selection.from, selection.to );
|
|
SWAP( selection.from_char, selection.to_char );
|
|
}
|
|
|
|
selection.active=true;
|
|
update();
|
|
|
|
}
|
|
|
|
} break;
|
|
}
|
|
|
|
}
|
|
|
|
Ref<Font> RichTextLabel::_find_font(Item *p_item) {
|
|
|
|
Item *fontitem=p_item;
|
|
|
|
while(fontitem) {
|
|
|
|
if (fontitem->type==ITEM_FONT) {
|
|
|
|
ItemFont *fi = static_cast<ItemFont*>(fontitem);
|
|
return fi->font;
|
|
}
|
|
|
|
fontitem=fontitem->parent;
|
|
}
|
|
|
|
return Ref<Font>();
|
|
}
|
|
|
|
int RichTextLabel::_find_margin(Item *p_item,const Ref<Font>& p_base_font) {
|
|
|
|
Item *item=p_item;
|
|
|
|
int margin=0;
|
|
|
|
while(item) {
|
|
|
|
if (item->type==ITEM_INDENT) {
|
|
|
|
Ref<Font> font=_find_font(item);
|
|
if (font.is_null())
|
|
font=p_base_font;
|
|
|
|
ItemIndent *indent = static_cast<ItemIndent*>(item);
|
|
|
|
margin+=indent->level*tab_size*font->get_char_size(' ').width;
|
|
|
|
} else if (item->type==ITEM_LIST) {
|
|
|
|
Ref<Font> font=_find_font(item);
|
|
if (font.is_null())
|
|
font=p_base_font;
|
|
|
|
}
|
|
|
|
item=item->parent;
|
|
}
|
|
|
|
return margin;
|
|
}
|
|
|
|
|
|
RichTextLabel::Align RichTextLabel::_find_align(Item *p_item) {
|
|
|
|
Item *item=p_item;
|
|
|
|
while(item) {
|
|
|
|
if (item->type==ITEM_ALIGN) {
|
|
|
|
ItemAlign *align = static_cast<ItemAlign*>(item);
|
|
return align->align;
|
|
|
|
}
|
|
|
|
item=item->parent;
|
|
}
|
|
|
|
return default_align;
|
|
}
|
|
|
|
Color RichTextLabel::_find_color(Item *p_item,const Color& p_default_color) {
|
|
|
|
Item *item=p_item;
|
|
|
|
while(item) {
|
|
|
|
if (item->type==ITEM_COLOR) {
|
|
|
|
ItemColor *color = static_cast<ItemColor*>(item);
|
|
return color->color;
|
|
|
|
}
|
|
|
|
item=item->parent;
|
|
}
|
|
|
|
return p_default_color;
|
|
}
|
|
|
|
bool RichTextLabel::_find_underline(Item *p_item) {
|
|
|
|
Item *item=p_item;
|
|
|
|
while(item) {
|
|
|
|
if (item->type==ITEM_UNDERLINE) {
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
item=item->parent;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool RichTextLabel::_find_meta(Item *p_item,Variant *r_meta) {
|
|
|
|
Item *item=p_item;
|
|
|
|
while(item) {
|
|
|
|
if (item->type==ITEM_META) {
|
|
|
|
ItemMeta *meta = static_cast<ItemMeta*>(item);
|
|
if (r_meta)
|
|
*r_meta=meta->meta;
|
|
return true;
|
|
|
|
}
|
|
|
|
item=item->parent;
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
void RichTextLabel::_validate_line_caches(ItemFrame* p_frame) {
|
|
|
|
if (p_frame->first_invalid_line==p_frame->lines.size())
|
|
return;
|
|
|
|
//validate invalid lines!s
|
|
Size2 size = get_size();
|
|
|
|
Ref<Font> base_font=get_font("normal_font");
|
|
|
|
for(int i=p_frame->first_invalid_line;i<p_frame->lines.size();i++) {
|
|
|
|
int y=0;
|
|
_process_line(p_frame,Point2(),y,size.width-scroll_w,i,PROCESS_CACHE,base_font,Color());
|
|
p_frame->lines[i].height_cache=y;
|
|
p_frame->lines[i].height_accum_cache=y;
|
|
|
|
if (i>0)
|
|
p_frame->lines[i].height_accum_cache+=p_frame->lines[i-1].height_accum_cache;
|
|
|
|
|
|
}
|
|
|
|
int total_height=0;
|
|
if (p_frame->lines.size())
|
|
total_height=p_frame->lines[p_frame->lines.size()-1].height_accum_cache;
|
|
|
|
main->first_invalid_line=p_frame->lines.size();
|
|
|
|
updating_scroll=true;
|
|
vscroll->set_max(total_height);
|
|
vscroll->set_page(size.height);
|
|
if (scroll_follow && scroll_following)
|
|
vscroll->set_val(total_height-size.height);
|
|
|
|
updating_scroll=false;
|
|
|
|
}
|
|
|
|
|
|
void RichTextLabel::_invalidate_current_line(ItemFrame* p_frame) {
|
|
|
|
if (p_frame->lines.size()-1 <= p_frame->first_invalid_line) {
|
|
|
|
p_frame->first_invalid_line=p_frame->lines.size()-1;
|
|
update();
|
|
}
|
|
}
|
|
|
|
void RichTextLabel::add_text(const String& p_text) {
|
|
|
|
if (current->type==ITEM_TABLE)
|
|
return; //can't add anything here
|
|
|
|
int pos=0;
|
|
|
|
while (pos<p_text.length()) {
|
|
|
|
int end=p_text.find("\n",pos);
|
|
String line;
|
|
bool eol=false;
|
|
if (end==-1) {
|
|
|
|
end=p_text.length();
|
|
} else {
|
|
|
|
eol=true;
|
|
}
|
|
|
|
if (pos==0 && end==p_text.length())
|
|
line=p_text;
|
|
else
|
|
line=p_text.substr(pos,end-pos);
|
|
|
|
if (line.length()>0) {
|
|
|
|
if (current->subitems.size() && current->subitems.back()->get()->type==ITEM_TEXT) {
|
|
//append text condition!
|
|
ItemText *ti = static_cast<ItemText*>(current->subitems.back()->get());
|
|
ti->text+=line;
|
|
_invalidate_current_line(main);
|
|
|
|
} else {
|
|
//append item condition
|
|
ItemText *item = memnew( ItemText );
|
|
item->text=line;
|
|
_add_item(item,false);
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
if (eol) {
|
|
|
|
ItemNewline *item = memnew( ItemNewline );
|
|
item->line=current_frame->lines.size();
|
|
_add_item(item,false);
|
|
current_frame->lines.resize(current_frame->lines.size()+1);
|
|
if (item->type!=ITEM_NEWLINE)
|
|
current_frame->lines[current_frame->lines.size()-1].from=item;
|
|
_invalidate_current_line(current_frame);
|
|
|
|
}
|
|
|
|
pos=end+1;
|
|
}
|
|
}
|
|
|
|
void RichTextLabel::_add_item(Item *p_item, bool p_enter, bool p_ensure_newline) {
|
|
|
|
|
|
|
|
p_item->parent=current;
|
|
p_item->E=current->subitems.push_back(p_item);
|
|
p_item->index=current_idx++;
|
|
|
|
|
|
if (p_enter)
|
|
current=p_item;
|
|
|
|
if (p_ensure_newline && current_frame->lines[current_frame->lines.size()-1].from) {
|
|
_invalidate_current_line(current_frame);
|
|
current_frame->lines.resize( current_frame->lines.size() +1 );
|
|
|
|
}
|
|
|
|
if (current_frame->lines[current_frame->lines.size()-1].from==NULL) {
|
|
current_frame->lines[current_frame->lines.size()-1].from=p_item;
|
|
}
|
|
p_item->line=current_frame->lines.size()-1;
|
|
|
|
_invalidate_current_line(current_frame);
|
|
|
|
}
|
|
|
|
void RichTextLabel::_remove_item(Item* p_item, const int p_line, const int p_subitem_line) {
|
|
|
|
|
|
int size = p_item->subitems.size();
|
|
if (size == 0) {
|
|
p_item->parent->subitems.erase(p_item);
|
|
if (p_item->type == ITEM_NEWLINE) {
|
|
current_frame->lines.remove(p_line);
|
|
for (int i = p_subitem_line; i < current->subitems.size(); i++) {
|
|
if (current->subitems[i]->line > 0)
|
|
current->subitems[i]->line--;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
for (int i = 0; i < size; i++) {
|
|
_remove_item(p_item->subitems.front()->get(), p_line, p_subitem_line);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void RichTextLabel::add_image(const Ref<Texture>& p_image) {
|
|
|
|
if (current->type==ITEM_TABLE)
|
|
return;
|
|
|
|
ERR_FAIL_COND(p_image.is_null());
|
|
ItemImage *item = memnew( ItemImage );
|
|
|
|
item->image=p_image;
|
|
_add_item(item,false);
|
|
|
|
}
|
|
|
|
void RichTextLabel::add_newline() {
|
|
|
|
if (current->type==ITEM_TABLE)
|
|
return;
|
|
ItemNewline *item = memnew( ItemNewline );
|
|
item->line=current_frame->lines.size();
|
|
current_frame->lines.resize(current_frame->lines.size()+1);
|
|
_add_item(item,false);
|
|
|
|
}
|
|
|
|
bool RichTextLabel::remove_line(const int p_line) {
|
|
|
|
if (p_line >= current_frame->lines.size() || p_line < 0)
|
|
return false;
|
|
|
|
int lines = p_line * 2;
|
|
|
|
if (current->subitems[lines]->type != ITEM_NEWLINE)
|
|
_remove_item(current->subitems[lines], current->subitems[lines]->line, lines);
|
|
|
|
_remove_item(current->subitems[lines], current->subitems[lines]->line, lines);
|
|
|
|
if (p_line == 0) {
|
|
main->lines[0].from = main;
|
|
}
|
|
|
|
main->first_invalid_line = 0;
|
|
return true;
|
|
}
|
|
|
|
void RichTextLabel::push_font(const Ref<Font>& p_font) {
|
|
|
|
ERR_FAIL_COND(current->type==ITEM_TABLE);
|
|
ERR_FAIL_COND(p_font.is_null());
|
|
ItemFont *item = memnew( ItemFont );
|
|
|
|
item->font=p_font;
|
|
_add_item(item,true);
|
|
|
|
}
|
|
void RichTextLabel::push_color(const Color& p_color) {
|
|
|
|
ERR_FAIL_COND(current->type==ITEM_TABLE);
|
|
ItemColor *item = memnew( ItemColor );
|
|
|
|
item->color=p_color;
|
|
_add_item(item,true);
|
|
|
|
}
|
|
void RichTextLabel::push_underline() {
|
|
|
|
ERR_FAIL_COND(current->type==ITEM_TABLE);
|
|
ItemUnderline *item = memnew( ItemUnderline );
|
|
|
|
_add_item(item,true);
|
|
|
|
}
|
|
|
|
void RichTextLabel::push_align(Align p_align) {
|
|
|
|
ERR_FAIL_COND(current->type==ITEM_TABLE);
|
|
|
|
ItemAlign *item = memnew( ItemAlign );
|
|
item->align=p_align;
|
|
_add_item(item,true,true);
|
|
|
|
}
|
|
|
|
void RichTextLabel::push_indent(int p_level) {
|
|
|
|
ERR_FAIL_COND(current->type==ITEM_TABLE);
|
|
ERR_FAIL_COND(p_level<0);
|
|
|
|
ItemIndent *item = memnew( ItemIndent );
|
|
item->level=p_level;
|
|
_add_item(item,true,true);
|
|
|
|
}
|
|
|
|
void RichTextLabel::push_list(ListType p_list) {
|
|
|
|
ERR_FAIL_COND(current->type==ITEM_TABLE);
|
|
ERR_FAIL_INDEX(p_list,3);
|
|
|
|
ItemList *item = memnew( ItemList );
|
|
|
|
item->list_type=p_list;
|
|
_add_item(item,true,true);
|
|
|
|
}
|
|
|
|
void RichTextLabel::push_meta(const Variant& p_meta) {
|
|
|
|
ERR_FAIL_COND(current->type==ITEM_TABLE);
|
|
ItemMeta *item = memnew( ItemMeta );
|
|
|
|
item->meta=p_meta;
|
|
_add_item(item,true);
|
|
|
|
}
|
|
|
|
void RichTextLabel::push_table(int p_columns) {
|
|
|
|
ERR_FAIL_COND( p_columns < 1);
|
|
ItemTable *item = memnew( ItemTable );
|
|
|
|
item->columns.resize(p_columns);
|
|
item->total_width=0;
|
|
for(int i=0;i<item->columns.size();i++) {
|
|
item->columns[i].expand=false;
|
|
item->columns[i].expand_ratio=1;
|
|
}
|
|
_add_item(item,true,true);
|
|
|
|
}
|
|
|
|
void RichTextLabel::set_table_column_expand(int p_column,bool p_expand,int p_ratio) {
|
|
|
|
ERR_FAIL_COND(current->type!=ITEM_TABLE);
|
|
ItemTable *table = static_cast<ItemTable*>(current);
|
|
ERR_FAIL_INDEX(p_column,table->columns.size());
|
|
table->columns[p_column].expand=p_expand;
|
|
table->columns[p_column].expand_ratio=p_ratio;
|
|
}
|
|
|
|
void RichTextLabel::push_cell(){
|
|
|
|
ERR_FAIL_COND(current->type!=ITEM_TABLE);
|
|
|
|
ItemFrame *item = memnew( ItemFrame );
|
|
item->parent_frame=current_frame;
|
|
_add_item(item,true);
|
|
current_frame=item;
|
|
item->cell=true;
|
|
item->parent_line=item->parent_frame->lines.size()-1;
|
|
item->lines.resize(1);
|
|
item->lines[0].from=NULL;
|
|
item->first_invalid_line=0;
|
|
|
|
}
|
|
|
|
int RichTextLabel::get_current_table_column() const {
|
|
|
|
ERR_FAIL_COND_V(current->type!=ITEM_TABLE,-1);
|
|
|
|
ItemTable *table = static_cast<ItemTable*>(current);
|
|
|
|
return table->subitems.size() % table->columns.size();
|
|
|
|
}
|
|
|
|
void RichTextLabel::pop() {
|
|
|
|
ERR_FAIL_COND(!current->parent);
|
|
if (current->type==ITEM_FRAME) {
|
|
current_frame = static_cast<ItemFrame*>(current)->parent_frame;
|
|
}
|
|
current=current->parent;
|
|
}
|
|
|
|
void RichTextLabel::clear() {
|
|
|
|
main->_clear_children();
|
|
current=main;
|
|
current_frame=main;
|
|
main->lines.clear();
|
|
main->lines.resize(1);
|
|
main->first_invalid_line=0;
|
|
update();
|
|
selection.click=NULL;
|
|
selection.active=false;
|
|
current_idx=1;
|
|
|
|
}
|
|
|
|
void RichTextLabel::set_tab_size(int p_spaces) {
|
|
|
|
tab_size=p_spaces;
|
|
main->first_invalid_line=0;
|
|
update();
|
|
}
|
|
|
|
int RichTextLabel::get_tab_size() const {
|
|
|
|
return tab_size;
|
|
}
|
|
|
|
|
|
void RichTextLabel::set_meta_underline(bool p_underline) {
|
|
|
|
underline_meta=p_underline;
|
|
update();
|
|
}
|
|
|
|
bool RichTextLabel::is_meta_underlined() const {
|
|
|
|
return underline_meta;
|
|
}
|
|
|
|
void RichTextLabel::set_offset(int p_pixel) {
|
|
|
|
vscroll->set_val(p_pixel);
|
|
}
|
|
|
|
void RichTextLabel::set_scroll_active(bool p_active) {
|
|
|
|
if (scroll_active==p_active)
|
|
return;
|
|
|
|
scroll_active=p_active;
|
|
update();
|
|
}
|
|
|
|
bool RichTextLabel::is_scroll_active() const {
|
|
|
|
return scroll_active;
|
|
}
|
|
|
|
void RichTextLabel::set_scroll_follow(bool p_follow) {
|
|
|
|
scroll_follow=p_follow;
|
|
if (!vscroll->is_visible() || vscroll->get_val()>=(vscroll->get_max()-vscroll->get_page()))
|
|
scroll_following=true;
|
|
}
|
|
|
|
bool RichTextLabel::is_scroll_following() const {
|
|
|
|
return scroll_follow;
|
|
}
|
|
|
|
Error RichTextLabel::parse_bbcode(const String& p_bbcode) {
|
|
|
|
clear();
|
|
return append_bbcode(p_bbcode);
|
|
}
|
|
|
|
Error RichTextLabel::append_bbcode(const String& p_bbcode) {
|
|
|
|
int pos = 0;
|
|
|
|
List<String> tag_stack;
|
|
Ref<Font> normal_font=get_font("normal_font");
|
|
Ref<Font> bold_font=get_font("bold_font");
|
|
Ref<Font> italics_font=get_font("italics_font");
|
|
Ref<Font> bold_italics_font=get_font("bold_italics_font");
|
|
Ref<Font> mono_font=get_font("mono_font");
|
|
|
|
Color base_color=get_color("default_color");
|
|
|
|
int indent_level=0;
|
|
|
|
bool in_bold=false;
|
|
bool in_italics=false;
|
|
|
|
while(pos < p_bbcode.length()) {
|
|
|
|
|
|
int brk_pos = p_bbcode.find("[",pos);
|
|
|
|
if (brk_pos<0)
|
|
brk_pos=p_bbcode.length();
|
|
|
|
if (brk_pos > pos) {
|
|
add_text(p_bbcode.substr(pos,brk_pos-pos));
|
|
}
|
|
|
|
if (brk_pos==p_bbcode.length())
|
|
break; //nothing else o add
|
|
|
|
int brk_end = p_bbcode.find("]",brk_pos+1);
|
|
|
|
if (brk_end==-1) {
|
|
//no close, add the rest
|
|
add_text(p_bbcode.substr(brk_pos,p_bbcode.length()-brk_pos));
|
|
break;
|
|
}
|
|
|
|
|
|
String tag = p_bbcode.substr(brk_pos+1,brk_end-brk_pos-1);
|
|
|
|
|
|
if (tag.begins_with("/") && tag_stack.size()) {
|
|
|
|
bool tag_ok = tag_stack.size() && tag_stack.front()->get()==tag.substr(1,tag.length());
|
|
|
|
|
|
|
|
if (tag_stack.front()->get()=="b")
|
|
in_bold=false;
|
|
if (tag_stack.front()->get()=="i")
|
|
in_italics=false;
|
|
if (tag_stack.front()->get()=="indent")
|
|
indent_level--;
|
|
|
|
|
|
if (!tag_ok) {
|
|
|
|
add_text("[");
|
|
pos++;
|
|
continue;
|
|
}
|
|
|
|
tag_stack.pop_front();
|
|
pos=brk_end+1;
|
|
if (tag!="/img")
|
|
pop();
|
|
|
|
} else if (tag=="b") {
|
|
|
|
//use bold font
|
|
in_bold=true;
|
|
if (in_italics)
|
|
push_font(bold_italics_font);
|
|
else
|
|
push_font(bold_font);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag=="i") {
|
|
|
|
//use italics font
|
|
in_italics=true;
|
|
if (in_bold)
|
|
push_font(bold_italics_font);
|
|
else
|
|
push_font(italics_font);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag=="code") {
|
|
|
|
//use monospace font
|
|
push_font(mono_font);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag.begins_with("table=")) {
|
|
|
|
int columns = tag.substr(6,tag.length()).to_int();
|
|
if (columns<1)
|
|
columns=1;
|
|
//use monospace font
|
|
push_table(columns);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front("table");
|
|
} else if (tag=="cell") {
|
|
|
|
push_cell();
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag.begins_with("cell=")) {
|
|
|
|
int ratio = tag.substr(6,tag.length()).to_int();
|
|
if (ratio<1)
|
|
ratio=1;
|
|
//use monospace font
|
|
set_table_column_expand(get_current_table_column(),true,ratio);
|
|
push_cell();
|
|
pos=brk_end+1;
|
|
tag_stack.push_front("cell");
|
|
} else if (tag=="u") {
|
|
|
|
//use underline
|
|
push_underline();
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag=="s") {
|
|
|
|
//use strikethrough (not supported underline instead)
|
|
push_underline();
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag=="center") {
|
|
|
|
//use underline
|
|
push_align(ALIGN_CENTER);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag=="fill") {
|
|
|
|
//use underline
|
|
push_align(ALIGN_FILL);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag=="right") {
|
|
|
|
//use underline
|
|
push_align(ALIGN_RIGHT);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag=="ul") {
|
|
|
|
//use underline
|
|
push_list(LIST_DOTS);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag=="ol") {
|
|
|
|
//use underline
|
|
push_list(LIST_NUMBERS);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag=="indent") {
|
|
|
|
//use underline
|
|
indent_level++;
|
|
push_indent(indent_level);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
|
|
} else if (tag=="url") {
|
|
|
|
//use strikethrough (not supported underline instead)
|
|
int end=p_bbcode.find("[",brk_end);
|
|
if (end==-1)
|
|
end=p_bbcode.length();
|
|
String url = p_bbcode.substr(brk_end+1,end-brk_end-1);
|
|
push_meta(url);
|
|
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
|
|
} else if (tag.begins_with("url=")) {
|
|
|
|
String url = tag.substr(4,tag.length());
|
|
push_meta(url);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front("url");
|
|
} else if (tag=="img") {
|
|
|
|
//use strikethrough (not supported underline instead)
|
|
int end=p_bbcode.find("[",brk_end);
|
|
if (end==-1)
|
|
end=p_bbcode.length();
|
|
String image = p_bbcode.substr(brk_end+1,end-brk_end-1);
|
|
|
|
Ref<Texture> texture = ResourceLoader::load(image,"Texture");
|
|
if (texture.is_valid())
|
|
add_image(texture);
|
|
|
|
pos=end;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag.begins_with("color=")) {
|
|
|
|
String col = tag.substr(6,tag.length());
|
|
Color color;
|
|
|
|
if (col.begins_with("#"))
|
|
color=Color::html(col);
|
|
else if (col=="aqua")
|
|
color=Color::html("#00FFFF");
|
|
else if (col=="black")
|
|
color=Color::html("#000000");
|
|
else if (col=="blue")
|
|
color=Color::html("#0000FF");
|
|
else if (col=="fuchsia")
|
|
color=Color::html("#FF00FF");
|
|
else if (col=="gray" || col=="grey")
|
|
color=Color::html("#808080");
|
|
else if (col=="green")
|
|
color=Color::html("#008000");
|
|
else if (col=="lime")
|
|
color=Color::html("#00FF00");
|
|
else if (col=="maroon")
|
|
color=Color::html("#800000");
|
|
else if (col=="navy")
|
|
color=Color::html("#000080");
|
|
else if (col=="olive")
|
|
color=Color::html("#808000");
|
|
else if (col=="purple")
|
|
color=Color::html("#800080");
|
|
else if (col=="red")
|
|
color=Color::html("#FF0000");
|
|
else if (col=="silver")
|
|
color=Color::html("#C0C0C0");
|
|
else if (col=="teal")
|
|
color=Color::html("#008008");
|
|
else if (col=="white")
|
|
color=Color::html("#FFFFFF");
|
|
else if (col=="yellow")
|
|
color=Color::html("#FFFF00");
|
|
else
|
|
color=base_color;
|
|
|
|
|
|
|
|
push_color(color);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front("color");
|
|
|
|
} else if (tag.begins_with("font=")) {
|
|
|
|
String fnt = tag.substr(5,tag.length());
|
|
|
|
|
|
Ref<Font> font = ResourceLoader::load(fnt,"Font");
|
|
if (font.is_valid())
|
|
push_font(font);
|
|
else
|
|
push_font(normal_font);
|
|
|
|
pos=brk_end+1;
|
|
tag_stack.push_front("font");
|
|
|
|
|
|
} else {
|
|
|
|
add_text("["); //ignore
|
|
pos=brk_pos+1;
|
|
|
|
}
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
|
|
void RichTextLabel::scroll_to_line(int p_line) {
|
|
|
|
ERR_FAIL_INDEX(p_line,main->lines.size());
|
|
_validate_line_caches(main);
|
|
vscroll->set_val(main->lines[p_line].height_accum_cache-main->lines[p_line].height_cache);
|
|
|
|
}
|
|
|
|
int RichTextLabel::get_line_count() const {
|
|
|
|
return current_frame->lines.size();
|
|
}
|
|
|
|
void RichTextLabel::set_selection_enabled(bool p_enabled) {
|
|
|
|
selection.enabled=p_enabled;
|
|
if (!p_enabled) {
|
|
if (selection.active) {
|
|
selection.active=false;
|
|
update();
|
|
}
|
|
set_focus_mode(FOCUS_NONE);
|
|
} else {
|
|
set_focus_mode(FOCUS_ALL);
|
|
}
|
|
|
|
}
|
|
|
|
bool RichTextLabel::search(const String& p_string,bool p_from_selection) {
|
|
|
|
ERR_FAIL_COND_V(!selection.enabled,false);
|
|
Item *it=main;
|
|
int charidx=0;
|
|
|
|
if (p_from_selection && selection.active && selection.enabled) {
|
|
it=selection.to;
|
|
charidx=selection.to_char+1;
|
|
}
|
|
|
|
while(it) {
|
|
|
|
if (it->type==ITEM_TEXT) {
|
|
|
|
ItemText *t = static_cast<ItemText*>(it);
|
|
int sp = t->text.find(p_string,charidx);
|
|
if (sp!=-1) {
|
|
selection.from=it;
|
|
selection.from_char=sp;
|
|
selection.to=it;
|
|
selection.to_char=sp+p_string.length()-1;
|
|
selection.active=true;
|
|
update();
|
|
|
|
_validate_line_caches(main);
|
|
|
|
int fh = _find_font(t).is_valid()?_find_font(t)->get_height():get_font("normal_font")->get_height();
|
|
|
|
float offset =0;
|
|
|
|
int line = t->line;
|
|
Item *item =t;
|
|
while(item) {
|
|
if (item->type==ITEM_FRAME) {
|
|
ItemFrame *frame = static_cast<ItemFrame*>(item);
|
|
if (line>=0 && line<frame->lines.size()) {
|
|
offset+=frame->lines[line].height_accum_cache-frame->lines[line].height_cache;
|
|
line=frame->line;
|
|
}
|
|
}
|
|
item=item->parent;
|
|
}
|
|
vscroll->set_val(offset-fh);
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
it=_get_next_item(it,true);
|
|
charidx=0;
|
|
|
|
}
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
void RichTextLabel::selection_copy() {
|
|
|
|
if (!selection.enabled)
|
|
return;
|
|
|
|
String text;
|
|
|
|
RichTextLabel::Item *item=selection.from;
|
|
|
|
while(item) {
|
|
|
|
if (item->type==ITEM_TEXT) {
|
|
|
|
String itext = static_cast<ItemText*>(item)->text;
|
|
if (item==selection.from && item==selection.to) {
|
|
text+=itext.substr(selection.from_char,selection.to_char-selection.from_char+1);
|
|
} else if (item==selection.from) {
|
|
text+=itext.substr(selection.from_char,itext.size());
|
|
} else if (item==selection.to) {
|
|
text+=itext.substr(0,selection.to_char+1);
|
|
} else {
|
|
text+=itext;
|
|
}
|
|
|
|
} else if (item->type==ITEM_NEWLINE) {
|
|
text+="\n";
|
|
}
|
|
if (item==selection.to)
|
|
break;
|
|
|
|
item=_get_next_item(item,true);
|
|
}
|
|
|
|
if (text!="") {
|
|
OS::get_singleton()->set_clipboard(text);
|
|
//print_line("COPY: "+text);
|
|
}
|
|
|
|
}
|
|
|
|
bool RichTextLabel::is_selection_enabled() const {
|
|
|
|
return selection.enabled;
|
|
}
|
|
|
|
void RichTextLabel::set_bbcode(const String& p_bbcode) {
|
|
bbcode=p_bbcode;
|
|
if (is_inside_tree() && use_bbcode)
|
|
parse_bbcode(p_bbcode);
|
|
else { // raw text
|
|
clear();
|
|
add_text(p_bbcode);
|
|
}
|
|
}
|
|
|
|
String RichTextLabel::get_bbcode() const {
|
|
|
|
return bbcode;
|
|
}
|
|
|
|
void RichTextLabel::set_use_bbcode(bool p_enable) {
|
|
if (use_bbcode==p_enable)
|
|
return;
|
|
use_bbcode=p_enable;
|
|
set_bbcode(bbcode);
|
|
}
|
|
|
|
bool RichTextLabel::is_using_bbcode() const {
|
|
|
|
return use_bbcode;
|
|
}
|
|
|
|
String RichTextLabel::get_text() {
|
|
String text = "";
|
|
Item *it = main;
|
|
while (it) {
|
|
if (it->type == ITEM_TEXT) {
|
|
ItemText *t = static_cast<ItemText*>(it);
|
|
text += t->text;
|
|
} else if (it->type == ITEM_NEWLINE) {
|
|
text += "\n";
|
|
} else if (it->type == ITEM_INDENT) {
|
|
text += "\t";
|
|
}
|
|
it=_get_next_item(it,true);
|
|
}
|
|
return text;
|
|
}
|
|
|
|
void RichTextLabel::_bind_methods() {
|
|
|
|
|
|
ObjectTypeDB::bind_method(_MD("_input_event"),&RichTextLabel::_input_event);
|
|
ObjectTypeDB::bind_method(_MD("_scroll_changed"),&RichTextLabel::_scroll_changed);
|
|
ObjectTypeDB::bind_method(_MD("get_text"),&RichTextLabel::get_text);
|
|
ObjectTypeDB::bind_method(_MD("add_text","text"),&RichTextLabel::add_text);
|
|
ObjectTypeDB::bind_method(_MD("add_image","image:Texture"),&RichTextLabel::add_image);
|
|
ObjectTypeDB::bind_method(_MD("newline"),&RichTextLabel::add_newline);
|
|
ObjectTypeDB::bind_method(_MD("remove_line"),&RichTextLabel::remove_line);
|
|
ObjectTypeDB::bind_method(_MD("push_font","font"),&RichTextLabel::push_font);
|
|
ObjectTypeDB::bind_method(_MD("push_color","color"),&RichTextLabel::push_color);
|
|
ObjectTypeDB::bind_method(_MD("push_align","align"),&RichTextLabel::push_align);
|
|
ObjectTypeDB::bind_method(_MD("push_indent","level"),&RichTextLabel::push_indent);
|
|
ObjectTypeDB::bind_method(_MD("push_list","type"),&RichTextLabel::push_list);
|
|
ObjectTypeDB::bind_method(_MD("push_meta","data"),&RichTextLabel::push_meta);
|
|
ObjectTypeDB::bind_method(_MD("push_underline"),&RichTextLabel::push_underline);
|
|
ObjectTypeDB::bind_method(_MD("push_table","columns"),&RichTextLabel::push_table);
|
|
ObjectTypeDB::bind_method(_MD("set_table_column_expand","column","expand","ratio"),&RichTextLabel::set_table_column_expand);
|
|
ObjectTypeDB::bind_method(_MD("push_cell"),&RichTextLabel::push_cell);
|
|
ObjectTypeDB::bind_method(_MD("pop"),&RichTextLabel::pop);
|
|
|
|
ObjectTypeDB::bind_method(_MD("clear"),&RichTextLabel::clear);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_meta_underline","enable"),&RichTextLabel::set_meta_underline);
|
|
ObjectTypeDB::bind_method(_MD("is_meta_underlined"),&RichTextLabel::is_meta_underlined);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_scroll_active","active"),&RichTextLabel::set_scroll_active);
|
|
ObjectTypeDB::bind_method(_MD("is_scroll_active"),&RichTextLabel::is_scroll_active);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_scroll_follow","follow"),&RichTextLabel::set_scroll_follow);
|
|
ObjectTypeDB::bind_method(_MD("is_scroll_following"),&RichTextLabel::is_scroll_following);
|
|
|
|
ObjectTypeDB::bind_method(_MD("get_v_scroll"),&RichTextLabel::get_v_scroll);
|
|
|
|
ObjectTypeDB::bind_method(_MD("scroll_to_line","line"),&RichTextLabel::scroll_to_line);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_tab_size","spaces"),&RichTextLabel::set_tab_size);
|
|
ObjectTypeDB::bind_method(_MD("get_tab_size"),&RichTextLabel::get_tab_size);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_selection_enabled","enabled"),&RichTextLabel::set_selection_enabled);
|
|
ObjectTypeDB::bind_method(_MD("is_selection_enabled"),&RichTextLabel::is_selection_enabled);
|
|
|
|
ObjectTypeDB::bind_method(_MD("parse_bbcode", "bbcode"),&RichTextLabel::parse_bbcode);
|
|
ObjectTypeDB::bind_method(_MD("append_bbcode", "bbcode"),&RichTextLabel::append_bbcode);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_bbcode","text"),&RichTextLabel::set_bbcode);
|
|
ObjectTypeDB::bind_method(_MD("get_bbcode"),&RichTextLabel::get_bbcode);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_visible_characters","amount"),&RichTextLabel::set_visible_characters);
|
|
ObjectTypeDB::bind_method(_MD("get_visible_characters"),&RichTextLabel::get_visible_characters);
|
|
|
|
ObjectTypeDB::bind_method(_MD("get_total_character_count"),&RichTextLabel::get_total_character_count);
|
|
|
|
ObjectTypeDB::bind_method(_MD("set_use_bbcode","enable"),&RichTextLabel::set_use_bbcode);
|
|
ObjectTypeDB::bind_method(_MD("is_using_bbcode"),&RichTextLabel::is_using_bbcode);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL,"bbcode/enabled"),_SCS("set_use_bbcode"),_SCS("is_using_bbcode"));
|
|
ADD_PROPERTY(PropertyInfo(Variant::STRING,"bbcode/bbcode",PROPERTY_HINT_MULTILINE_TEXT),_SCS("set_bbcode"),_SCS("get_bbcode"));
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT,"visible_characters",PROPERTY_HINT_RANGE,"-1,128000,1"),_SCS("set_visible_characters"),_SCS("get_visible_characters"));
|
|
|
|
ADD_SIGNAL( MethodInfo("meta_clicked",PropertyInfo(Variant::NIL,"meta")));
|
|
|
|
BIND_CONSTANT( ALIGN_LEFT );
|
|
BIND_CONSTANT( ALIGN_CENTER );
|
|
BIND_CONSTANT( ALIGN_RIGHT );
|
|
BIND_CONSTANT( ALIGN_FILL );
|
|
|
|
BIND_CONSTANT( LIST_NUMBERS );
|
|
BIND_CONSTANT( LIST_LETTERS );
|
|
BIND_CONSTANT( LIST_DOTS );
|
|
|
|
BIND_CONSTANT( ITEM_FRAME );
|
|
BIND_CONSTANT( ITEM_TEXT );
|
|
BIND_CONSTANT( ITEM_IMAGE );
|
|
BIND_CONSTANT( ITEM_NEWLINE );
|
|
BIND_CONSTANT( ITEM_FONT );
|
|
BIND_CONSTANT( ITEM_COLOR );
|
|
BIND_CONSTANT( ITEM_UNDERLINE );
|
|
BIND_CONSTANT( ITEM_ALIGN );
|
|
BIND_CONSTANT( ITEM_INDENT );
|
|
BIND_CONSTANT( ITEM_LIST );
|
|
BIND_CONSTANT( ITEM_META );
|
|
|
|
}
|
|
|
|
|
|
void RichTextLabel::set_visible_characters(int p_visible) {
|
|
|
|
visible_characters=p_visible;
|
|
update();
|
|
}
|
|
|
|
int RichTextLabel::get_visible_characters() const {
|
|
|
|
return visible_characters;
|
|
}
|
|
int RichTextLabel::get_total_character_count() const {
|
|
|
|
int tc=0;
|
|
for(int i=0;i<current_frame->lines.size();i++)
|
|
tc+=current_frame->lines[i].char_count;
|
|
|
|
return tc;
|
|
}
|
|
|
|
|
|
RichTextLabel::RichTextLabel() {
|
|
|
|
|
|
main = memnew( ItemFrame );
|
|
main->index=0;
|
|
current=main;
|
|
main->lines.resize(1);
|
|
main->lines[0].from=main;
|
|
main->first_invalid_line=0;
|
|
current_frame=main;
|
|
tab_size=4;
|
|
default_align=ALIGN_LEFT;
|
|
underline_meta=true;
|
|
|
|
scroll_visible=false;
|
|
scroll_follow=false;
|
|
scroll_following=false;
|
|
updating_scroll=false;
|
|
scroll_active=true;
|
|
scroll_w=0;
|
|
|
|
vscroll = memnew( VScrollBar );
|
|
add_child(vscroll);
|
|
vscroll->set_drag_slave(String(".."));
|
|
vscroll->set_step(1);
|
|
vscroll->set_anchor_and_margin( MARGIN_TOP, ANCHOR_BEGIN, 0);
|
|
vscroll->set_anchor_and_margin( MARGIN_BOTTOM, ANCHOR_END, 0);
|
|
vscroll->set_anchor_and_margin( MARGIN_RIGHT, ANCHOR_END, 0);
|
|
vscroll->connect("value_changed",this,"_scroll_changed");
|
|
vscroll->set_step(1);
|
|
vscroll->hide();
|
|
current_idx=1;
|
|
use_bbcode=false;
|
|
|
|
selection.click=NULL;
|
|
selection.active=false;
|
|
selection.enabled=false;
|
|
|
|
visible_characters=-1;
|
|
|
|
}
|
|
|
|
RichTextLabel::~RichTextLabel() {
|
|
|
|
memdelete( main );
|
|
}
|