/*************************************************************************/ /* container.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2014 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 *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::remove_child_notify(Node *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_scene()) 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); } void Container::queue_sort() { if (!is_inside_scene()) 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_SCENE: { 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; }