text: /*************************************************************************/
  /*  progress_bar.cpp                                                     */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2022 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 "progress_bar.h"
  
  Size2 ProgressBar::get_minimum_size() const {
  	Ref<StyleBox> bg = get_stylebox("bg");
  	Ref<StyleBox> fg = get_stylebox("fg");
  	Ref<Font> font = get_font("font");
  
  	Size2 minimum_size = bg->get_minimum_size();
  	minimum_size.height = MAX(minimum_size.height, fg->get_minimum_size().height);
  	minimum_size.width = MAX(minimum_size.width, fg->get_minimum_size().width);
  	if (percent_visible) {
  		minimum_size.height = MAX(minimum_size.height, bg->get_minimum_size().height + font->get_height());
  	} else { // this is needed, else the progressbar will collapse
  		minimum_size.width = MAX(minimum_size.width, 1);
  		minimum_size.height = MAX(minimum_size.height, 1);
  	}
  	return minimum_size;
  }
  
  void ProgressBar::_notification(int p_what) {
  	if (p_what == NOTIFICATION_DRAW) {
  		Ref<StyleBox> bg = get_stylebox("bg");
  		Ref<StyleBox> fg = get_stylebox("fg");
  		Ref<Font> font = get_font("font");
  		Color font_color = get_color("font_color");
  
  		draw_style_box(bg, Rect2(Point2(), get_size()));
  		float r = get_as_ratio();
  		int mp = fg->get_minimum_size().width;
  		int p = r * (get_size().width - mp);
  		if (p > 0) {
  			draw_style_box(fg, Rect2(Point2(), Size2(p + fg->get_minimum_size().width, get_size().height)));
  		}
  
  		if (percent_visible) {
  			String txt = itos(int(get_as_ratio() * 100)) + "%";
  			font->draw_halign(get_canvas_item(), Point2(0, font->get_ascent() + (get_size().height - font->get_height()) / 2), HALIGN_CENTER, get_size().width, txt, font_color);
  		}
  	}
  }
  
  void ProgressBar::set_percent_visible(bool p_visible) {
  	percent_visible = p_visible;
  	update();
  }
  
  bool ProgressBar::is_percent_visible() const {
  	return percent_visible;
  }
  
  void ProgressBar::_bind_methods() {
  	ClassDB::bind_method(D_METHOD("set_percent_visible", "visible"), &ProgressBar::set_percent_visible);
  	ClassDB::bind_method(D_METHOD("is_percent_visible"), &ProgressBar::is_percent_visible);
  	ADD_GROUP("Percent", "percent_");
  	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "percent_visible"), "set_percent_visible", "is_percent_visible");
  }
  
  ProgressBar::ProgressBar() {
  	set_v_size_flags(0);
  	set_step(0.01);
  	percent_visible = true;
  }
  