From cf5778e51a883936ffc896231da8259e5ebabc0a Mon Sep 17 00:00:00 2001
From: Juan Linietsky
Date: Wed, 5 Oct 2016 01:26:35 -0300
Subject: -Added ViewportContainer, this is the only way to make viewports show
 up in GUI now -2D editing now seems to work -Added some functions and
 refactoring to Viewport

---
 scene/gui/viewport_container.cpp | 103 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 scene/gui/viewport_container.cpp

(limited to 'scene/gui/viewport_container.cpp')

diff --git a/scene/gui/viewport_container.cpp b/scene/gui/viewport_container.cpp
new file mode 100644
index 000000000..3418a495e
--- /dev/null
+++ b/scene/gui/viewport_container.cpp
@@ -0,0 +1,103 @@
+#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() {
+
+	ObjectTypeDB::bind_method(_MD("set_stretch","enable"),&ViewportContainer::set_stretch);
+	ObjectTypeDB::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;
+}
-- 
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