Cleaning window managers for consistency.

src/ui_elements/desktop_elements/IPlatformWindow.h

@@ -26,11 +26,11 @@ public:
 
     virtual ~IPlatformWindow() = default;
 
-    virtual void show() const = 0;
+    virtual void show() = 0;
 
-    virtual void map() const = 0;
+    virtual void map() = 0;
 
-    virtual void clear() const = 0;
+    virtual void clear() = 0;
 protected:
     mt::Window* mWindow{nullptr};
 };

src/ui_elements/desktop_elements/Window.cpp

@@ -35,6 +35,12 @@ std::vector<VisualLayer*> Window::GetLayers()
     return mWidget->getLayers();
 }
 
+void Window::clearPlatformWindow()
+{
+    mPlatformWindow.reset();
+}
+
+
 void Window::OnMouseEvent(const MouseEvent* event)
 {
     mWidget->onMouseEvent(event);

src/ui_elements/desktop_elements/Window.h

@@ -62,6 +62,8 @@ public:
 
     void clear();
 
+    void clearPlatformWindow();
+
 private:
     int mHandle {-1};
     WidgetUPtr mWidget {nullptr};