Improvement: Wait infinitely for events when idling

Wait infinitely for events when idling, instead of always calling
paint_preprocess(), to reduce CPU usage in the case. Thanks to valr for
help.

1 files changed, 1 insertions, 0 deletions

diff --git a/compton.h b/compton.h
index f3c32365d..3fd4541a4 100644
--- a/compton.h
+++ b/compton.h
@@ -321,6 +321,7 @@ typedef enum {
 
 extern int root_height, root_width;
 extern Atom atom_client_attr;
+extern Bool idling;
 
 /**
  * Functions