/*************************************************************************/ /* center_container.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2020 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; }