godot/scene/gui/viewport_container.cpp

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#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())
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(_MD("set_stretch","enable"),&ViewportContainer::set_stretch);
ClassDB::bind_method(_MD("is_stretch_enabled"),&ViewportContainer::is_stretch_enabled);
ADD_PROPERTY( PropertyInfo(Variant::BOOL,"stretch"),_SCS("set_stretch"),_SCS("is_stretch_enabled"));
}
ViewportContainer::ViewportContainer() {
stretch=false;
}