FIX: speed switch popup window display bug

Jira: [STUDIO-14642]
Change-Id: If95ca1b448b2d3a03c2f6d6c0b5faad4a3c04e8c
(cherry picked from commit 08943207564c0256d5a5efea9440e55efb7ccea0)

src/slic3r/GUI/Widgets/PopupWindow.hpp

@@ -2,6 +2,7 @@
 #define slic3r_GUI_PopupWindow_hpp_
 
 #include <wx/popupwin.h>
+#include <wx/event.h>
 
 class PopupWindow : public wxPopupTransientWindow
 {
@@ -10,11 +11,12 @@ public:
 
     ~PopupWindow();
 
-    PopupWindow(wxWindow *parent, int style = wxBORDER_NONE)
-        { Create(parent, style); }
+    PopupWindow(wxWindow *parent, int style = wxBORDER_NONE) { Create(parent, style); }
 
     bool Create(wxWindow *parent, int flags = wxBORDER_NONE);
-
+#ifdef __WXMSW__
+    void BindUnfocusEvent();
+#endif
 private:
 #ifdef __WXOSX__
     void OnMouseEvent2(wxMouseEvent &evt);
@@ -24,6 +26,12 @@ private:
 #ifdef __WXGTK__
     void topWindowActiavate(wxActivateEvent &event);
 #endif
+
+#ifdef __WXMSW__
+    void topWindowActivate(wxActivateEvent &event);
+    void topWindowIconize(wxIconizeEvent &event);
+    void topWindowShow(wxShowEvent &event);
+#endif
 };
 
 #endif // !slic3r_GUI_PopupWindow_hpp_