godot/scene/gui/container.cpp
Rémi Verschelde 0aebddafc1 Revert "make Container node aware of Size Flags"
This reverts commit 6ed15e995d.
Fixes #6974.
2016-10-30 15:14:28 +01:00

173 lines
5.2 KiB
C++

/*************************************************************************/
/* 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 "container.h"
#include "scene/scene_string_names.h"
#include "message_queue.h"
void Container::_child_minsize_changed() {
Size2 ms = get_combined_minimum_size();
if (ms.width > get_size().width || ms.height > get_size().height)
minimum_size_changed();
queue_sort();
}
void Container::add_child_notify(Node *p_child) {
Control::add_child_notify(p_child);
Control *control = p_child->cast_to<Control>();
if (!control)
return;
control->connect("size_flags_changed",this,"queue_sort");
control->connect("minimum_size_changed",this,"_child_minsize_changed");
control->connect("visibility_changed",this,"_child_minsize_changed");
queue_sort();
}
void Container::move_child_notify(Node *p_child) {
Control::move_child_notify(p_child);
if (!p_child->cast_to<Control>())
return;
queue_sort();
}
void Container::remove_child_notify(Node *p_child) {
Control::remove_child_notify(p_child);
Control *control = p_child->cast_to<Control>();
if (!control)
return;
control->disconnect("size_flags_changed",this,"queue_sort");
control->disconnect("minimum_size_changed",this,"_child_minsize_changed");
control->disconnect("visibility_changed",this,"_child_minsize_changed");
queue_sort();
}
void Container::_sort_children() {
if (!is_inside_tree())
return;
notification(NOTIFICATION_SORT_CHILDREN);
emit_signal(SceneStringNames::get_singleton()->sort_children);
pending_sort=false;
}
void Container::fit_child_in_rect(Control *p_child,const Rect2& p_rect) {
ERR_FAIL_COND(p_child->get_parent()!=this);
Size2 minsize = p_child->get_combined_minimum_size();
Rect2 r=p_rect;
if (!(p_child->get_h_size_flags()&SIZE_FILL)) {
r.size.x=minsize.x;
r.pos.x += Math::floor((p_rect.size.x - minsize.x)/2);
}
if (!(p_child->get_v_size_flags()&SIZE_FILL)) {
r.size.y=minsize.y;
r.pos.y += Math::floor((p_rect.size.y - minsize.y)/2);
}
for(int i=0;i<4;i++)
p_child->set_anchor(Margin(i),ANCHOR_BEGIN);
p_child->set_pos(r.pos);
p_child->set_size(r.size);
p_child->set_rotation(0);
p_child->set_scale(Vector2(1,1));
}
void Container::queue_sort() {
if (!is_inside_tree())
return;
if (pending_sort)
return;
MessageQueue::get_singleton()->push_call(this,"_sort_children");
pending_sort=true;
}
void Container::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_ENTER_TREE: {
pending_sort=false;
queue_sort();
} break;
case NOTIFICATION_RESIZED: {
queue_sort();
} break;
case NOTIFICATION_THEME_CHANGED: {
queue_sort();
} break;
case NOTIFICATION_VISIBILITY_CHANGED: {
if (is_visible()) {
queue_sort();
}
} break;
}
}
void Container::_bind_methods() {
ObjectTypeDB::bind_method(_MD("_sort_children"),&Container::_sort_children);
ObjectTypeDB::bind_method(_MD("_child_minsize_changed"),&Container::_child_minsize_changed);
ObjectTypeDB::bind_method(_MD("queue_sort"),&Container::queue_sort);
ObjectTypeDB::bind_method(_MD("fit_child_in_rect","child:Control","rect"),&Container::fit_child_in_rect);
BIND_CONSTANT( NOTIFICATION_SORT_CHILDREN );
ADD_SIGNAL(MethodInfo("sort_children"));
}
Container::Container() {
pending_sort=false;
}