godot/scene/gui/viewport_container.cpp
2017-03-05 15:47:28 +01:00

133 lines
4.0 KiB
C++

/*************************************************************************/
/* viewport_container.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 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 "viewport_container.h"
#include "scene/main/viewport.h"
Size2 ViewportContainer::get_minimum_size() const {
if (stretch)
return Size2();
Size2 ms;
for(int i=0;i<get_child_count();i++) {
Viewport *c = get_child(i)->cast_to<Viewport>();
if (!c)
continue;
Size2 minsize = c->get_size();
ms.width = MAX(ms.width , minsize.width);
ms.height = MAX(ms.height , minsize.height);
}
return ms;
}
void ViewportContainer::set_stretch(bool p_enable) {
stretch=p_enable;
queue_sort();
update();
}
bool ViewportContainer::is_stretch_enabled() const {
return stretch;
}
void ViewportContainer::_notification(int p_what) {
if (p_what==NOTIFICATION_RESIZED) {
if (!stretch)
return;
for(int i=0;i<get_child_count();i++) {
Viewport *c = get_child(i)->cast_to<Viewport>();
if (!c)
continue;
c->set_size(get_size());
}
}
if (p_what==NOTIFICATION_ENTER_TREE || p_what==NOTIFICATION_VISIBILITY_CHANGED) {
for(int i=0;i<get_child_count();i++) {
Viewport *c = get_child(i)->cast_to<Viewport>();
if (!c)
continue;
if (is_visible_in_tree())
c->set_update_mode(Viewport::UPDATE_ALWAYS);
else
c->set_update_mode(Viewport::UPDATE_DISABLED);
}
}
if (p_what==NOTIFICATION_DRAW) {
for(int i=0;i<get_child_count();i++) {
Viewport *c = get_child(i)->cast_to<Viewport>();
if (!c)
continue;
if (stretch)
draw_texture_rect(c->get_texture(),Rect2(Vector2(),get_size()*Size2(1,-1)));
else
draw_texture_rect(c->get_texture(),Rect2(Vector2(),c->get_size()*Size2(1,-1)));
}
}
}
void ViewportContainer::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_stretch","enable"),&ViewportContainer::set_stretch);
ClassDB::bind_method(D_METHOD("is_stretch_enabled"),&ViewportContainer::is_stretch_enabled);
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"stretch"),"set_stretch","is_stretch_enabled");
}
ViewportContainer::ViewportContainer() {
stretch=false;
}