From fb56250d1859ae3f6fd1b3dfa9fee922495ecd19 Mon Sep 17 00:00:00 2001
From: QC <qball@gmpclient.org>
Date: Sun, 25 May 2014 11:34:45 +0200
Subject: [PATCH] Fix a newly exposed bug, i3 indicating an active window that
 does not exists

---
 source/rofi.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/source/rofi.c b/source/rofi.c
index 5d9127f4..1cde37c4 100644
--- a/source/rofi.c
+++ b/source/rofi.c
@@ -647,8 +647,13 @@ void monitor_active ( workarea *mon )
          && type == XA_WINDOW && count > 0 )
     {
         XWindowAttributes *attr = window_get_attributes ( id );
-        monitor_dimensions ( screen, attr->x, attr->y, mon );
-        return;
+        // Window might not exists anymore.
+        // This could very well be a bug in i3.
+        if ( attr != NULL )
+        {
+            monitor_dimensions ( screen, attr->x, attr->y, mon );
+            return;
+        }
     }
 
     int x, y;