--- qcocoawindow_org.mm	2014-04-20 13:34:17.000000000 -0700
+++ qcocoawindow.mm	2014-04-20 13:34:28.000000000 -0700
@@ -705,8 +705,10 @@
 
     if (grab && ![m_nsWindow isKeyWindow])
         [m_nsWindow makeKeyWindow];
-    else if (!grab && [m_nsWindow isKeyWindow])
-        [m_nsWindow resignKeyWindow];
+    else if (!grab) {
+        if ([m_nsWindow isKeyWindow] && ![m_nsWindow isMainWindow])
+            [m_nsWindow resignKeyWindow];
+    }
     return true;
 }
 
@@ -717,8 +719,10 @@
 
     if (grab && ![m_nsWindow isKeyWindow])
         [m_nsWindow makeKeyWindow];
-    else if (!grab && [m_nsWindow isKeyWindow])
-        [m_nsWindow resignKeyWindow];
+    else if (!grab) {
+        if ([m_nsWindow isKeyWindow] && ![m_nsWindow isMainWindow])
+            [m_nsWindow resignKeyWindow];
+    }
     return true;
 }