--- xfwm4-4.13.1.org/src/events.c	2018-07-29 15:08:54.000000000 +0200
+++ xfwm4-4.13.1/src/events.c	2019-01-26 20:11:54.327579711 +0100
@@ -1310,7 +1310,23 @@
 static eventFilterStatus
 handleConfigureNotify (DisplayInfo *display_info, XConfigureEvent * ev)
 {
+    ScreenInfo *screen_info;
     TRACE ("entering");
+
+    /* TODO only on certain types of events */
+    screen_info = myDisplayGetScreenFromRoot (display_info, ev->event);
+
+    if (screen_info)
+    {
+        /*
+        int width, height;
+        width = WidthOfScreen(screen_info->xscreen);
+        height = HeightOfScreen(screen_info->xscreen);
+        g_info("%s width=%d height=%d", __FUNCTION__, width, height);
+        */
+        myScreenComputeSize(screen_info);
+        /* TODO handle size change similar to size_changed_cb() or monitors_changed_cb() */
+    }
     return EVENT_FILTER_PASS;
 }
 
@@ -2766,6 +2782,7 @@
 static void
 size_changed_cb(GdkScreen *gscreen, gpointer data)
 {
+    g_info("%s", __FUNCTION__);
     ScreenInfo *screen_info;
     DisplayInfo *display_info;
     gboolean size_changed;
@@ -2787,6 +2804,7 @@
     }
 
     size_changed = myScreenComputeSize (screen_info);
+    g_info("%s size_changed=%i", __FUNCTION__, size_changed);
     if (size_changed)
     {
         myScreenInvalidateMonitorCache (screen_info);
@@ -2811,6 +2829,7 @@
 static void
 monitors_changed_cb(GdkScreen *gscreen, gpointer data)
 {
+    g_info("%s", __FUNCTION__);
     ScreenInfo *screen_info;
     DisplayInfo *display_info;
     gint previous_num_monitors;
@@ -2842,6 +2861,7 @@
     myScreenInvalidateMonitorCache (screen_info);
     myScreenRebuildMonitorIndex (screen_info);
     size_changed = myScreenComputeSize (screen_info);
+    g_info("%s size_changed=%i", __FUNCTION__, size_changed);
 
     if (size_changed || (screen_info->num_monitors != previous_num_monitors))
     {