text: /*************************************************************************/
  /*  margin_container.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  */
  /* 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 "margin_container.h"
  
  
  Size2 MarginContainer::get_minimum_size() const {
  
  	int margin_left = get_constant("margin_left");
  	int margin_top = get_constant("margin_top");
  	int margin_right = get_constant("margin_right");
  	int margin_bottom = get_constant("margin_bottom");
  
  	Size2 max;
  
  	for(int i=0;i<get_child_count();i++) {
  
  		Control *c = get_child(i)->cast_to<Control>();
  		if (!c)
  			continue;
  		if (c->is_set_as_toplevel())
  			continue;
  		if (!c->is_visible())
  			continue;
  
  		Size2 s = c->get_combined_minimum_size();
  		if (s.width > max.width)
  			max.width = s.width;
  		if (s.height > max.height)
  			max.height = s.height;
  	}
  
  	max.width += (margin_left + margin_right);
  	max.height += (margin_top + margin_bottom);
  
  	return max;
  
  }
  
  void MarginContainer::_notification(int p_what) {
  
  	if (p_what==NOTIFICATION_SORT_CHILDREN) {
  
  		int margin_left = get_constant("margin_left");
  		int margin_top = get_constant("margin_top");
  		int margin_right = get_constant("margin_right");
  		int margin_bottom = get_constant("margin_bottom");
  
  		Size2 s = get_size();
  
  		for(int i=0;i<get_child_count();i++) {
  
  			Control *c = get_child(i)->cast_to<Control>();
  			if (!c)
  				continue;
  			if (c->is_set_as_toplevel())
  				continue;
  
  			int w=s.width-margin_left-margin_right;
  			int h=s.height-margin_top-margin_bottom;
  			fit_child_in_rect(c,Rect2(margin_left,margin_top,w,h));
  		}
  
  	}
  }
  
  MarginContainer::MarginContainer()
  {
  }
  