Remove floating surfaces when activate surface

[apps/agl-service-windowmanager.git] / src / wm_error.hpp

diff --git a/src/wm_error.hpp b/src/wm_error.hpp
index 155d791..c314439 100644 (file)
--- a/src/wm_error.hpp
+++ b/src/wm_error.hpp
@@ -16,6 +16,7 @@
 
 #ifndef WINDOW_MANAGER_ERROR
 #define WINDOW_MANAGER_ERROR
+#define INVALID_SURFACE_ID 0
 
 namespace wm {