SDK/BaseWidget: Add SetParent

SDK/include/NDK/BaseWidget.hpp

@@ -81,6 +81,7 @@ namespace Ndk
 			void SetBackgroundColor(const Nz::Color& color);
 			void SetCursor(Nz::SystemCursor systemCursor);
 			void SetFocus();
+			void SetParent(BaseWidget* widget);
 
 			inline void SetFixedHeight(float fixedHeight);
 			inline void SetFixedSize(const Nz::Vector2f& fixedSize);

SDK/src/NDK/BaseWidget.cpp

@@ -145,6 +145,27 @@ namespace Ndk
 			m_canvas->SetKeyboardOwner(m_canvasIndex);
 	}
 
+	void BaseWidget::SetParent(BaseWidget* widget)
+	{
+		Canvas* oldCanvas = m_canvas;
+		Canvas* newCanvas = widget->GetCanvas();
+
+		// Changing a widget canvas is a problem because of the canvas entities
+		NazaraAssert(oldCanvas == newCanvas, "Transferring a widget between canvas is not yet supported");
+
+		Node::SetParent(widget);
+		m_widgetParent = widget;
+
+		Layout();
+	}
+
+	void BaseWidget::SetRenderingRect(const Nz::Rectf& renderingRect)
+	{
+		m_renderingRect = renderingRect;
+
+		UpdatePositionAndSize();
+	}
+
 	void BaseWidget::Show(bool show)
 	{
 		if (m_visible != show)