godot/tools/editor/output_strings.cpp
2014-02-09 22:10:30 -03:00

217 lines
6.3 KiB
C++

/*************************************************************************/
/* output_strings.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "output_strings.h"
void OutputStrings::update_scrollbars() {
Size2 size = get_size();
Size2 hmin = h_scroll->get_combined_minimum_size();
Size2 vmin = v_scroll->get_combined_minimum_size();
v_scroll->set_anchor( MARGIN_LEFT, ANCHOR_END );
v_scroll->set_anchor( MARGIN_RIGHT, ANCHOR_END );
v_scroll->set_anchor( MARGIN_BOTTOM, ANCHOR_END );
v_scroll->set_begin( Point2(vmin.width, 0) );
v_scroll->set_end( Point2(0,0 ) );
h_scroll->set_anchor( MARGIN_RIGHT, ANCHOR_END );
h_scroll->set_anchor( MARGIN_TOP, ANCHOR_END );
h_scroll->set_anchor( MARGIN_BOTTOM, ANCHOR_END );
h_scroll->set_begin( Point2( 0, hmin.y) );
h_scroll->set_end( Point2(vmin.x, 0) );
margin.y=hmin.y;
margin.x=vmin.x;
Ref<StyleBox> tree_st = get_stylebox("bg","Tree");
int page = ((size_height-(int)margin.y-tree_st->get_margin(MARGIN_TOP)) / font_height);
v_scroll->set_page(page);
}
void OutputStrings::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_DRAW: {
if (following) {
updating=true;
v_scroll->set_val( v_scroll->get_max() - v_scroll->get_page() );
updating=false;
}
RID ci = get_canvas_item();
Size2 size = get_size();
Ref<Font> font = get_font("font","Tree");
Ref<StyleBox> tree_st = get_stylebox("bg","Tree");
tree_st->draw(ci,Rect2(Point2(),size));
Color color = get_color("font_color","Tree");
Ref<Texture> icon_error = get_icon("Error","EditorIcons");
Ref<Texture> icon_warning = get_icon("Warning","EditorIcons");
// int lines = (size_height-(int)margin.y) / font_height;
Point2 ofs=tree_st->get_offset();
LineMap::Element *E = line_map.find(v_scroll->get_val());
float h_ofs = (int)h_scroll->get_val();
Point2 icon_ofs=Point2(0,(font_height-(int)icon_error->get_height())/2);
while( E && ofs.y < (size_height-(int)margin.y) ) {
String str = E->get().text;
Point2 line_ofs=ofs;
switch(E->get().type) {
case LINE_WARNING: {
icon_warning->draw(ci,line_ofs+icon_ofs);
} break;
case LINE_ERROR: {
icon_error->draw(ci,line_ofs+icon_ofs);
} break;
case LINE_LINK: {
} break;
default: {}
}
line_ofs.y+=font->get_ascent();
line_ofs.x+=icon_error->get_width()+4;
for(int i=0;i<str.length();i++) {
if (line_ofs.x-h_ofs < 0 ) {
line_ofs.x+=font->get_char_size(str[i],str[i+1]).width;
} else if (line_ofs.x-h_ofs > size.width - margin.width) {
break;
} else {
line_ofs.x+=font->draw_char(ci,Point2(line_ofs.x-h_ofs,line_ofs.y),str[i],str[i+1],color);
}
}
ofs.y+=font_height;
E=E->next();
}
} break;
case NOTIFICATION_ENTER_SCENE:
case NOTIFICATION_RESIZED: {
font_height = get_font("font","Tree")->get_height();
size_height = get_size().height;
update_scrollbars();
} break;
}
}
void OutputStrings::_hscroll_changed(float p_value) {
if (updating)
return;
update();
}
void OutputStrings::_vscroll_changed(float p_value) {
if (updating)
return;
//user changed scroll
following=(p_value+v_scroll->get_page())>=v_scroll->get_max();
update();
}
void OutputStrings::add_line(const String& p_text, const Variant& p_meta, const LineType p_type) {
Vector<String> strings=p_text.split("\n");
for(int i=0;i<strings.size();i++) {
if (strings[i].length()==0)
continue;
int last = line_map.empty() ? 0 : (line_map.back()->key() + 1);
Line l;
l.text=strings[i];
l.meta=p_meta;
l.type=p_type;
line_map.insert(last,l);
updating=true;
v_scroll->set_max(last+1);
v_scroll->set_min(line_map.front()->key());
updating=false;
}
while (line_map.size() > line_max_count) {
line_map.erase(line_map.front());
}
update();
}
void OutputStrings::_bind_methods() {
ObjectTypeDB::bind_method("_vscroll_changed",&OutputStrings::_vscroll_changed);
ObjectTypeDB::bind_method("_hscroll_changed",&OutputStrings::_hscroll_changed);
}
OutputStrings::OutputStrings() {
following=true;
updating=false;
line_max_count=4096;
h_scroll = memnew( HScrollBar );
v_scroll = memnew( VScrollBar );
add_child(h_scroll);
add_child(v_scroll);
size_height=1;
font_height=1;
update_scrollbars();
h_scroll->connect("value_changed", this,"_hscroll_changed");
v_scroll->connect("value_changed", this,"_vscroll_changed");
}