101 lines
3.8 KiB
C++
101 lines
3.8 KiB
C++
/*************************************************************************/
|
|
/* center_container.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* 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 "center_container.h"
|
|
|
|
Size2 CenterContainer::get_minimum_size() const {
|
|
if (use_top_left) {
|
|
return Size2();
|
|
}
|
|
Size2 ms;
|
|
for (int i = 0; i < get_child_count(); i++) {
|
|
Control *c = Object::cast_to<Control>(get_child(i));
|
|
if (!c) {
|
|
continue;
|
|
}
|
|
if (c->is_set_as_top_level()) {
|
|
continue;
|
|
}
|
|
if (!c->is_visible()) {
|
|
continue;
|
|
}
|
|
Size2 minsize = c->get_combined_minimum_size();
|
|
ms.width = MAX(ms.width, minsize.width);
|
|
ms.height = MAX(ms.height, minsize.height);
|
|
}
|
|
|
|
return ms;
|
|
}
|
|
|
|
void CenterContainer::set_use_top_left(bool p_enable) {
|
|
if (use_top_left == p_enable) {
|
|
return;
|
|
}
|
|
|
|
use_top_left = p_enable;
|
|
|
|
minimum_size_changed();
|
|
queue_sort();
|
|
}
|
|
|
|
bool CenterContainer::is_using_top_left() const {
|
|
return use_top_left;
|
|
}
|
|
|
|
void CenterContainer::_notification(int p_what) {
|
|
if (p_what == NOTIFICATION_SORT_CHILDREN) {
|
|
Size2 size = get_size();
|
|
for (int i = 0; i < get_child_count(); i++) {
|
|
Control *c = Object::cast_to<Control>(get_child(i));
|
|
if (!c) {
|
|
continue;
|
|
}
|
|
if (c->is_set_as_top_level()) {
|
|
continue;
|
|
}
|
|
|
|
Size2 minsize = c->get_combined_minimum_size();
|
|
Point2 ofs = use_top_left ? (-minsize * 0.5).floor() : ((size - minsize) / 2.0).floor();
|
|
fit_child_in_rect(c, Rect2(ofs, minsize));
|
|
}
|
|
}
|
|
}
|
|
|
|
void CenterContainer::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_use_top_left", "enable"), &CenterContainer::set_use_top_left);
|
|
ClassDB::bind_method(D_METHOD("is_using_top_left"), &CenterContainer::is_using_top_left);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_top_left"), "set_use_top_left", "is_using_top_left");
|
|
}
|
|
|
|
CenterContainer::CenterContainer() {
|
|
use_top_left = false;
|
|
}
|