godot/scene/gui/progress_bar.cpp

/*************************************************************************/
/*  progress_bar.cpp                                                     */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 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  */
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/*************************************************************************/
#include "progress_bar.h"


Size2 ProgressBar::get_minimum_size() const {

	Ref<StyleBox> bg = get_stylebox("bg");
	Ref<Font> font = get_font("font");

	Size2 ms=bg->get_minimum_size()+bg->get_center_size();
	if (percent_visible) {
		ms.height=MAX(ms.height,bg->get_minimum_size().height+font->get_height());
	}
	return ms;
}


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_unit_value();
		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_unit_value()*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(_MD("set_percent_visible","visible"),&ProgressBar::set_percent_visible);
	ClassDB::bind_method(_MD("is_percent_visible"),&ProgressBar::is_percent_visible);
	ADD_GROUP("Percent","percent_");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL,"percent_visible"),_SCS("set_percent_visible"),_SCS("is_percent_visible"));
}

ProgressBar::ProgressBar() {

	set_v_size_flags(0);
	percent_visible=true;
}