163 lines
5.0 KiB
C++
163 lines
5.0 KiB
C++
/*************************************************************************/
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/* 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) 2007-2015 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 "container.h"
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#include "scene/scene_string_names.h"
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#include "message_queue.h"
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void Container::_child_minsize_changed() {
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Size2 ms = get_combined_minimum_size();
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if (ms.width > get_size().width || ms.height > get_size().height)
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minimum_size_changed();
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queue_sort();
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}
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void Container::add_child_notify(Node *p_child) {
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Control *control = p_child->cast_to<Control>();
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if (!control)
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return;
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control->connect("size_flags_changed",this,"queue_sort");
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control->connect("minimum_size_changed",this,"_child_minsize_changed");
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control->connect("visibility_changed",this,"_child_minsize_changed");
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queue_sort();
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}
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void Container::move_child_notify(Node *p_child) {
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if (!p_child->cast_to<Control>())
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return;
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queue_sort();
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}
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void Container::remove_child_notify(Node *p_child) {
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Control *control = p_child->cast_to<Control>();
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if (!control)
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return;
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control->disconnect("size_flags_changed",this,"queue_sort");
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control->disconnect("minimum_size_changed",this,"_child_minsize_changed");
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control->disconnect("visibility_changed",this,"_child_minsize_changed");
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queue_sort();
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}
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void Container::_sort_children() {
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if (!is_inside_tree())
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return;
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notification(NOTIFICATION_SORT_CHILDREN);
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emit_signal(SceneStringNames::get_singleton()->sort_children);
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pending_sort=false;
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}
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void Container::fit_child_in_rect(Control *p_child,const Rect2& p_rect) {
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ERR_FAIL_COND(p_child->get_parent()!=this);
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Size2 minsize = p_child->get_combined_minimum_size();
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Rect2 r=p_rect;
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if (!(p_child->get_h_size_flags()&SIZE_FILL)) {
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r.size.x=minsize.x;
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r.pos.x += Math::floor((p_rect.size.x - minsize.x)/2);
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}
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if (!(p_child->get_v_size_flags()&SIZE_FILL)) {
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r.size.y=minsize.y;
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r.pos.y += Math::floor((p_rect.size.y - minsize.y)/2);
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}
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for(int i=0;i<4;i++)
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p_child->set_anchor(Margin(i),ANCHOR_BEGIN);
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p_child->set_pos(r.pos);
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p_child->set_size(r.size);
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}
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void Container::queue_sort() {
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if (!is_inside_tree())
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return;
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if (pending_sort)
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return;
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MessageQueue::get_singleton()->push_call(this,"_sort_children");
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pending_sort=true;
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}
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void Container::_notification(int p_what) {
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switch(p_what) {
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case NOTIFICATION_ENTER_TREE: {
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pending_sort=false;
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queue_sort();
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} break;
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case NOTIFICATION_RESIZED: {
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queue_sort();
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} break;
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case NOTIFICATION_THEME_CHANGED: {
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queue_sort();
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} break;
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case NOTIFICATION_VISIBILITY_CHANGED: {
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if (is_visible()) {
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queue_sort();
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}
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} break;
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}
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}
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void Container::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("_sort_children"),&Container::_sort_children);
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ObjectTypeDB::bind_method(_MD("_child_minsize_changed"),&Container::_child_minsize_changed);
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ObjectTypeDB::bind_method(_MD("queue_sort"),&Container::queue_sort);
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ObjectTypeDB::bind_method(_MD("fit_child_in_rect","child:Control","rect"),&Container::fit_child_in_rect);
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BIND_CONSTANT( NOTIFICATION_SORT_CHILDREN );
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ADD_SIGNAL(MethodInfo("sort_children"));
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}
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Container::Container() {
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pending_sort=false;
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}
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