Flush xcb connection after opening fullscreen window (#74)

[i3/i3lock] / xcb.c

diff --git a/xcb.c b/xcb.c
index f1a9a7680cbd7b2bcba89bbb9cc7ff6821ba5c17..3e8cd071c455954b1189fed6e4392ce3338f7140 100644 (file)
--- a/xcb.c
+++ b/xcb.c
@@ -10,6 +10,7 @@
 #include <xcb/xcb.h>
 #include <xcb/xcb_image.h>
 #include <xcb/xcb_atom.h>
+#include <xcb/xcb_aux.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>
@@ -150,6 +151,9 @@ xcb_window_t open_fullscreen_window(xcb_connection_t *conn, xcb_screen_t *scr, c
     values[0] = XCB_STACK_MODE_ABOVE;
     xcb_configure_window(conn, win, XCB_CONFIG_WINDOW_STACK_MODE, values);
 
+    /* Ensure that the window is created and set up before returning */
+    xcb_aux_sync(conn);
+
     return win;
 }