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			104 lines
		
	
	
	
		
			3.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
	
		
			3.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*************************************************************************/
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/*  center_container.cpp                                                 */
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/*************************************************************************/
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/*                       This file is part of:                           */
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/*                           GODOT ENGINE                                */
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/*                    http://www.godotengine.org                         */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
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/*                                                                       */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the       */
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/* "Software"), to deal in the Software without restriction, including   */
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/* without limitation the rights to use, copy, modify, merge, publish,   */
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/* distribute, sublicense, and/or sell copies of the Software, and to    */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions:                                             */
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/*                                                                       */
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/* The above copyright notice and this permission notice shall be        */
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/* included in all copies or substantial portions of the Software.       */
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/*                                                                       */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
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/*************************************************************************/
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#include "center_container.h"
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Size2 CenterContainer::get_minimum_size() const {
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	if (use_top_left)
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		return Size2();
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	Size2 ms;
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	for(int i=0;i<get_child_count();i++) {
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		Control *c = get_child(i)->cast_to<Control>();
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		if (!c)
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			continue;
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		if (c->is_set_as_toplevel())
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			continue;
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		if (c->is_hidden())
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			continue;
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		Size2 minsize = c->get_combined_minimum_size();
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		ms.width = MAX(ms.width , minsize.width);
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		ms.height = MAX(ms.height , minsize.height);
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	}
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	return ms;
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}
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void CenterContainer::set_use_top_left(bool p_enable) {
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	use_top_left=p_enable;
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	queue_sort();
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}
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bool CenterContainer::is_using_top_left() const {
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	return use_top_left;
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}
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void CenterContainer::_notification(int p_what) {
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	if (p_what==NOTIFICATION_SORT_CHILDREN) {
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		Size2 size = get_size();
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		for(int i=0;i<get_child_count();i++) {
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			Control *c = get_child(i)->cast_to<Control>();
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			if (!c)
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				continue;
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			if (c->is_set_as_toplevel())
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				continue;
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			Size2 minsize = c->get_combined_minimum_size();
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			Point2 ofs = use_top_left ? (-minsize*0.5).floor() : ((size - minsize)/2.0).floor();
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			fit_child_in_rect(c,Rect2(ofs,minsize));
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		}
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	}
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}
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void CenterContainer::_bind_methods() {
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	ObjectTypeDB::bind_method(_MD("set_use_top_left","enable"),&CenterContainer::set_use_top_left);
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	ObjectTypeDB::bind_method(_MD("is_using_top_left"),&CenterContainer::is_using_top_left);
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	ADD_PROPERTY( PropertyInfo(Variant::BOOL,"use_top_left"),_SCS("set_use_top_left"),_SCS("is_using_top_left"));
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}
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CenterContainer::CenterContainer() {
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	use_top_left=false;
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}
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