b324ff7ea5
-IMA-ADPCM support for samples, this means that sound effects can be compressed and use 4 timess less RAM. -New 3D import workflow based on Wavefront OBJ. Import single objects as mesh resources instead of full scenes. Many people prefers to work this way. Just like the rest of the imported resources, these are updated in realtime if modified externally. -Mesh resources now support naming surfaces. This helps reimporting to identify which user-created materials must be kept. -Several fixes and improvements to SurfaceTool. -Anti Aliasing added to WorldEnvironment effects (using FXAA) -2D Physics bodies (RigidBody, KinematicBody, etc), Raycasts, Tilemap, etc support collision layers. This makes easy to group which objects collide against which. -2D Trigger shapes can now also trigger collision reporting in other 2D bodies (it used to be in Area2D before) -Viewport render target textures can now be filtered. -Few fixes in GDscript make it easier to work with static functions and class members. -Several and many bugfixes.
1584 lines
34 KiB
C++
1584 lines
34 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) 2007-2014 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) {
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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 && 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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return NULL;
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}
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void RichTextLabel::_process_line(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) {
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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 = 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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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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int wofs=margin;
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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-wofs); break;\
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}\
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l.height_caches.push_back(line_height);\
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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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wofs=begin;\
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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>=y && p_click_pos.y<=y+lh && p_click_pos.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 (wofs + m_width > p_width) {\
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if (p_mode==PROCESS_POINTER && r_click_item && p_click_pos.y>=y && p_click_pos.y<=y+lh && p_click_pos.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>=y && p_click_pos.y<=y+lh && p_click_pos.x>=wofs && p_click_pos.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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}
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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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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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w+=cw;
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end++;
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}
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ENSURE_WIDTH(w);
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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>=y && p_click_pos.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 (p_click_pos.x-cw/2>pofs) {
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rchar=int((&c[i])-cf);
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//print_line("GOT: "+itos(rchar));
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//if (i==end-1 && p_click_pos.x+cw/2 > pofs)
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// rchar++;
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//int o = (wofs+w)-p_click_pos.x;
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// if (o>cw/2)
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// rchar++;
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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;
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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(pofs,y,cw,lh),selection_bg);
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font->draw_char(ci,Point2(pofs,y+lh-(fh-ascent)),c[i],c[i+1],selection_fg);
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} else {
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cw=font->draw_char(ci,Point2(pofs,y+lh-(fh-ascent)),c[i],c[i+1],color);
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}
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if (underline) {
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Color uc=color;
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uc.a*=0.3;
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VS::get_singleton()->canvas_item_add_line(ci,Point2(pofs,y+ascent+2),Point2(pofs+cw,y+ascent+2),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(w);
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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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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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if (p_mode==PROCESS_DRAW) {
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img->image->draw(ci,Point2(wofs,y+lh-font->get_descent()-img->image->get_height()));
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}
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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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#if 0
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if (p_mode==PROCESS_POINTER && r_click_item ) {
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//previous last "wrapped" line
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int pl = line-1;
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if (pl<0 || lines[pl].height_caches.size()==0)
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break;
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int py=lines[pl].offset_caches[ lines[pl].offset_caches.size() -1 ];
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int ph=lines[pl].height_caches[ lines[pl].height_caches.size() -1 ];
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print_line("py: "+itos(py));
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print_line("ph: "+itos(ph));
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rchar=0;
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if (p_click_pos.y>=py && p_click_pos.y<=py+ph) {
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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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#endif
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} break;
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default: {}
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}
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Item *itp = it;
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it = _get_next_item(it);
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if (p_mode == PROCESS_POINTER && r_click_item && itp && !it && p_click_pos.y>y+lh) {
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//at the end of all, return this
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if (r_outside) *r_outside=true;
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*r_click_item=itp;
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*r_click_char=rchar;
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return;
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}
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if (it && (p_line+1 < lines.size()) && lines[p_line+1].from==it) {
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if (p_mode==PROCESS_POINTER && r_click_item && p_click_pos.y>=y && p_click_pos.y<=y+lh) {
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//went to next line, but pointer was on the previous one
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if (r_outside) *r_outside=true;
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*r_click_item=itp;
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*r_click_char=rchar;
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return;
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}
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break;
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}
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}
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NEW_LINE;
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#undef NEW_LINE
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#undef ENSURE_WIDTH
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#undef ADVANCE
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#undef CHECK_HEIGHT
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}
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void RichTextLabel::_scroll_changed(double) {
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if (updating_scroll)
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return;
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if (scroll_follow && vscroll->get_val()>=(vscroll->get_max()-vscroll->get_page()))
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scroll_following=true;
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else
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scroll_following=false;
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update();
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}
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void RichTextLabel::_update_scroll() {
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int total_height=0;
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if (lines.size())
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total_height=lines[lines.size()-1].height_accum_cache;
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bool exceeds = total_height > get_size().height && scroll_active;
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if (exceeds!=scroll_visible) {
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if (exceeds) {
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scroll_visible=true;
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first_invalid_line=0;
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scroll_w=vscroll->get_combined_minimum_size().width;
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vscroll->show();
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vscroll->set_anchor_and_margin( MARGIN_LEFT, ANCHOR_END,scroll_w);
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_validate_line_caches();
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} else {
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scroll_visible=false;
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vscroll->hide();
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scroll_w=0;
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_validate_line_caches();
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}
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}
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}
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void RichTextLabel::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_RESIZED: {
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first_invalid_line=0; //invalidate ALL
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update();
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} break;
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case NOTIFICATION_DRAW: {
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_validate_line_caches();
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_update_scroll();
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RID ci=get_canvas_item();
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Size2 size = get_size();
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VisualServer::get_singleton()->canvas_item_set_clip(ci,true);
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if (has_focus()) {
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VisualServer::get_singleton()->canvas_item_add_clip_ignore(ci,true);
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draw_style_box(get_stylebox("focus"),Rect2(Point2(),size));
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VisualServer::get_singleton()->canvas_item_add_clip_ignore(ci,false);
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}
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int ofs = vscroll->get_val();
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//todo, change to binary search
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int from_line = 0;
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while (from_line<lines.size()) {
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if (lines[from_line].height_accum_cache>=ofs)
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break;
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from_line++;
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}
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if (from_line>=lines.size())
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break; //nothing to draw
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int y = (lines[from_line].height_accum_cache - lines[from_line].height_cache) - ofs;
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Ref<Font> base_font=get_font("default_font");
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Color base_color=get_color("default_color");
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while (y<size.height && from_line<lines.size()) {
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_process_line(y,size.width-scroll_w,from_line,PROCESS_DRAW,base_font,base_color);
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from_line++;
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}
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}
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}
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}
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void RichTextLabel::_find_click(const Point2i& p_click,Item **r_click_item,int *r_click_char,bool *r_outside) {
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if (r_click_item)
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*r_click_item=NULL;
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Size2 size = get_size();
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int ofs = vscroll->get_val();
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//todo, change to binary search
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int from_line = 0;
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while (from_line<lines.size()) {
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if (lines[from_line].height_accum_cache>=ofs)
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break;
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from_line++;
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}
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if (from_line>=lines.size())
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return;
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int y = (lines[from_line].height_accum_cache - lines[from_line].height_cache) - ofs;
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Ref<Font> base_font=get_font("default_font");
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Color base_color=get_color("default_color");
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|
|
|
|
while (y<size.height && from_line<lines.size()) {
|
|
|
|
_process_line(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 (first_invalid_line<lines.size())
|
|
return CURSOR_ARROW; //invalid
|
|
|
|
int line=0;
|
|
Item *item=NULL;
|
|
|
|
((RichTextLabel*)(this))->_find_click(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 (first_invalid_line<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(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) {
|
|
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("default_font")->get_height() );
|
|
} break;
|
|
case KEY_DOWN: {
|
|
|
|
if (vscroll->is_visible())
|
|
vscroll->set_val( vscroll->get_val() + get_font("default_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 (first_invalid_line<lines.size())
|
|
return;
|
|
|
|
const InputEventMouseMotion& m = p_event.mouse_motion;
|
|
|
|
if (selection.click) {
|
|
|
|
int line=0;
|
|
Item *item=NULL;
|
|
_find_click(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() {
|
|
|
|
if (first_invalid_line==lines.size())
|
|
return;
|
|
|
|
//validate invalid lines!s
|
|
Size2 size = get_size();
|
|
|
|
Ref<Font> base_font=get_font("default_font");
|
|
|
|
for(int i=first_invalid_line;i<lines.size();i++) {
|
|
|
|
int y=0;
|
|
_process_line(y,size.width-scroll_w,i,PROCESS_CACHE,base_font,Color());
|
|
|
|
lines[i].height_cache=y;
|
|
lines[i].height_accum_cache=y;
|
|
|
|
if (i>0)
|
|
lines[i].height_accum_cache+=lines[i-1].height_accum_cache;
|
|
|
|
|
|
}
|
|
|
|
int total_height=0;
|
|
if (lines.size())
|
|
total_height=lines[lines.size()-1].height_accum_cache;
|
|
|
|
first_invalid_line=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() {
|
|
|
|
if (lines.size()-1 <= first_invalid_line) {
|
|
|
|
first_invalid_line=lines.size()-1;
|
|
update();
|
|
}
|
|
}
|
|
|
|
void RichTextLabel::add_text(const String& p_text) {
|
|
|
|
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();
|
|
|
|
} else {
|
|
//append item condition
|
|
ItemText *item = memnew( ItemText );
|
|
item->text=line;
|
|
_add_item(item,false);
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
if (eol) {
|
|
|
|
ItemNewline *item = memnew( ItemNewline );
|
|
item->line=lines.size();
|
|
_add_item(item,false);
|
|
lines.resize(lines.size()+1);
|
|
lines[lines.size()-1].from=item;
|
|
_invalidate_current_line();
|
|
|
|
}
|
|
|
|
pos=end+1;
|
|
}
|
|
}
|
|
|
|
void RichTextLabel::_add_item(Item *p_item, bool p_enter) {
|
|
|
|
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 (lines[lines.size()-1].from==NULL) {
|
|
lines[lines.size()-1].from=p_item;
|
|
}
|
|
|
|
_invalidate_current_line();
|
|
|
|
}
|
|
|
|
void RichTextLabel::add_image(const Ref<Texture>& p_image) {
|
|
|
|
ERR_FAIL_COND(p_image.is_null());
|
|
ItemImage *item = memnew( ItemImage );
|
|
|
|
item->image=p_image;
|
|
_add_item(item,false);
|
|
|
|
}
|
|
|
|
void RichTextLabel::add_newline() {
|
|
|
|
ItemNewline *item = memnew( ItemNewline );
|
|
item->line=lines.size();
|
|
lines.resize(lines.size()+1);
|
|
_add_item(item,false);
|
|
|
|
}
|
|
|
|
void RichTextLabel::push_font(const Ref<Font>& p_font) {
|
|
|
|
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) {
|
|
|
|
ItemColor *item = memnew( ItemColor );
|
|
|
|
item->color=p_color;
|
|
_add_item(item,true);
|
|
|
|
}
|
|
void RichTextLabel::push_underline() {
|
|
|
|
ItemUnderline *item = memnew( ItemUnderline );
|
|
|
|
_add_item(item,true);
|
|
|
|
}
|
|
|
|
void RichTextLabel::push_align(Align p_align) {
|
|
|
|
lines.resize(lines.size()+1);
|
|
|
|
ItemAlign *item = memnew( ItemAlign );
|
|
item->align=p_align;
|
|
_add_item(item,true);
|
|
|
|
ItemNewline *itemnl = memnew( ItemNewline );
|
|
itemnl->line=lines.size()-1;
|
|
_add_item(itemnl,false);
|
|
|
|
}
|
|
|
|
void RichTextLabel::push_indent(int p_level) {
|
|
|
|
ERR_FAIL_COND(p_level<0);
|
|
|
|
lines.resize(lines.size()+1);
|
|
|
|
ItemIndent *item = memnew( ItemIndent );
|
|
item->level=p_level;
|
|
_add_item(item,true);
|
|
|
|
ItemNewline *itemnl = memnew( ItemNewline );
|
|
itemnl->line=lines.size()-1;
|
|
_add_item(itemnl,false);
|
|
|
|
}
|
|
|
|
void RichTextLabel::push_list(ListType p_list) {
|
|
|
|
ERR_FAIL_INDEX(p_list,3);
|
|
|
|
ItemList *item = memnew( ItemList );
|
|
|
|
item->list_type=p_list;
|
|
_add_item(item,true);
|
|
|
|
}
|
|
|
|
void RichTextLabel::push_meta(const Variant& p_meta) {
|
|
|
|
ItemMeta *item = memnew( ItemMeta );
|
|
|
|
item->meta=p_meta;
|
|
_add_item(item,true);
|
|
|
|
}
|
|
|
|
void RichTextLabel::pop() {
|
|
|
|
ERR_FAIL_COND(!current->parent);
|
|
current=current->parent;
|
|
}
|
|
|
|
void RichTextLabel::clear() {
|
|
|
|
main->_clear_children();
|
|
current=main;
|
|
lines.clear();
|
|
lines.resize(1);
|
|
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;
|
|
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> base_font=get_font("default_font");
|
|
Color base_color=get_color("default_color");
|
|
|
|
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("/")) {
|
|
|
|
bool tag_ok = tag_stack.size() && tag_stack.front()->get()==tag.substr(1,tag.length());
|
|
|
|
|
|
|
|
|
|
|
|
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
|
|
push_font(base_font);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag=="i") {
|
|
|
|
//use italics font
|
|
push_font(base_font);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} else if (tag=="code") {
|
|
|
|
//use monospace font
|
|
push_font(base_font);
|
|
pos=brk_end+1;
|
|
tag_stack.push_front(tag);
|
|
} 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=="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(base_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,lines.size());
|
|
_validate_line_caches();
|
|
vscroll->set_val(lines[p_line].height_accum_cache);
|
|
|
|
|
|
}
|
|
|
|
int RichTextLabel::get_line_count() const {
|
|
|
|
return 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;
|
|
}
|
|
|
|
int line=-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();
|
|
|
|
if (line==-1) {
|
|
|
|
while(it) {
|
|
|
|
if (it->type==ITEM_NEWLINE) {
|
|
|
|
line=static_cast<ItemNewline*>(it)->line;
|
|
break;
|
|
}
|
|
|
|
it=_get_next_item(it);
|
|
}
|
|
|
|
if (!it)
|
|
line=lines.size()-1;
|
|
}
|
|
|
|
scroll_to_line(line-2);
|
|
|
|
return true;
|
|
}
|
|
} else if (it->type==ITEM_NEWLINE) {
|
|
|
|
line=static_cast<ItemNewline*>(it)->line;
|
|
}
|
|
|
|
|
|
it=_get_next_item(it);
|
|
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);
|
|
}
|
|
|
|
if (text!="") {
|
|
OS::get_singleton()->set_clipboard(text);
|
|
print_line("COPY: "+text);
|
|
}
|
|
|
|
}
|
|
|
|
bool RichTextLabel::is_selection_enabled() const {
|
|
|
|
return selection.enabled;
|
|
}
|
|
|
|
|
|
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("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("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("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("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);
|
|
|
|
|
|
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_MAIN );
|
|
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 );
|
|
|
|
}
|
|
|
|
RichTextLabel::RichTextLabel() {
|
|
|
|
|
|
main = memnew( ItemMain );
|
|
main->index=0;
|
|
current=main;
|
|
lines.resize(1);
|
|
lines[0].from=main;
|
|
first_invalid_line=0;
|
|
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_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;
|
|
|
|
selection.click=NULL;
|
|
selection.active=false;
|
|
selection.enabled=false;
|
|
|
|
}
|
|
|
|
RichTextLabel::~RichTextLabel() {
|
|
|
|
memdelete( main );
|
|
}
|