godot/scene/gui/panel_container.cpp

/*************************************************************************/
/*  panel_container.cpp                                                  */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2016 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 "panel_container.h"


Size2 PanelContainer::get_minimum_size() const {

	Ref<StyleBox> style;

	if (has_stylebox("panel"))
		style=get_stylebox("panel");
	else
		style=get_stylebox("panel","PanelContainer");


	Size2 ms;
	for(int i=0;i<get_child_count();i++) {

		Control *c = get_child(i)->cast_to<Control>();
		if (!c || !c->is_visible())
			continue;
		if (c->is_set_as_toplevel())
			continue;

		Size2 minsize = c->get_combined_minimum_size();
		ms.width = MAX(ms.width , minsize.width);
		ms.height = MAX(ms.height , minsize.height);


	}

	if (style.is_valid())
		ms+=style->get_minimum_size();
	return ms;

}

void PanelContainer::_notification(int p_what) {

	if (p_what==NOTIFICATION_DRAW) {

		RID ci = get_canvas_item();
		Ref<StyleBox> style;

		if (has_stylebox("panel"))
			style=get_stylebox("panel");
		else
			style=get_stylebox("panel","PanelContainer");

		style->draw( ci, Rect2( Point2(), get_size() ) );

	}

	if (p_what==NOTIFICATION_SORT_CHILDREN) {

		Ref<StyleBox> style;

		if (has_stylebox("panel"))
			style=get_stylebox("panel");
		else
			style=get_stylebox("panel","PanelContainer");

		Size2 size = get_size();
		Point2 ofs;
		if (style.is_valid()) {
			size-=style->get_minimum_size();
			ofs+=style->get_offset();
		}



		for(int i=0;i<get_child_count();i++) {

			Control *c = get_child(i)->cast_to<Control>();
			if (!c || !c->is_visible())
				continue;
			if (c->is_set_as_toplevel())
				continue;

			fit_child_in_rect(c,Rect2(ofs,size));

		}
	}
}

PanelContainer::PanelContainer()
{
}