From 4cb4e9f8d4fde97dfb238813b3d4caeb9f578822 Mon Sep 17 00:00:00 2001
From: Sascha Kruse <knopwob@googlemail.com>
Date: Fri, 22 Feb 2013 19:53:47 +0000
Subject: [PATCH] watch focus event

---
 x.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/x.c b/x.c
index 21265a6..0b5d624 100644
--- a/x.c
+++ b/x.c
@@ -443,6 +443,10 @@ gboolean x_mainloop_fd_dispatch(GSource * source, GSourceFunc callback,
                                 context_menu();
                         }
                         break;
+                case FocusIn:
+                case FocusOut:
+                        printf("Focus Event\n");
+                        wake_up();
                 }
         }
         return true;
@@ -688,7 +692,7 @@ void x_win_setup(void)
         wa.background_pixmap = ParentRelative;
         wa.event_mask =
             ExposureMask | KeyPressMask | VisibilityChangeMask |
-            ButtonPressMask;
+            ButtonPressMask | FocusChangeMask;
 
         screen_info scr;
         x_screen_info(&scr);
@@ -704,6 +708,9 @@ void x_win_setup(void)
         setopacity(xctx.win,
                    (unsigned long)((100 - settings.transparency) *
                                    (0xffffffff / 100)));
+
+        long root_event_mask = FocusChangeMask;
+        XSelectInput(xctx.dpy, root, root_event_mask);
 }
 
         /*