/*************************************************************************/ /* output_strings.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */ /* */ /* 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 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_value(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_value()); float h_ofs = (int)h_scroll->get_value(); 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_TREE: 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() { ClassDB::bind_method("_vscroll_changed", &OutputStrings::_vscroll_changed); ClassDB::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"); }