diff options
Diffstat (limited to 'scene/gui/container.cpp')
| -rw-r--r-- | scene/gui/container.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/scene/gui/container.cpp b/scene/gui/container.cpp new file mode 100644 index 0000000000..6543a0388d --- /dev/null +++ b/scene/gui/container.cpp @@ -0,0 +1,154 @@ +/*************************************************************************/ +/* 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; +} |