Index: vim-8.0.0045/src/gui_gtk_x11.c
===================================================================
--- vim-8.0.0045.orig/src/gui_gtk_x11.c
+++ vim-8.0.0045/src/gui_gtk_x11.c
@@ -3099,6 +3099,9 @@ drawarea_configure_event_cb(GtkWidget
     if (event->width == cur_width && event->height == cur_height)
 	return TRUE;
 
+    if (!gtk_check_version(3, 22, 2) && event->send_event == FALSE)
+        return TRUE;
+
     cur_width = event->width;
     cur_height = event->height;
 
@@ -4429,6 +4432,10 @@ form_configure_event(GtkWidget *widget U
 {
     int usable_height = event->height;
 
+    if (!gtk_check_version(3, 22, 2) &&
+        event->window != gtk_widget_get_window(gui.formwin))
+        return TRUE;
+
     /* When in a GtkPlug, we can't guarantee valid heights (as a round
      * no. of char-heights), so we have to manually sanitise them.
      * Widths seem to sort themselves out, don't ask me why.