Throw error when trying to start on Wayland (#290)

i3 · Oct 2, 2020 · ed7185d · ed7185d
1 parent 9f675b8
commit ed7185d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/i3lock.c b/i3lock.c
@@ -1038,6 +1038,8 @@ int main(int argc, char *argv[]) {
         err(EXIT_FAILURE, "getpwuid() failed");
     if ((username = pw->pw_name) == NULL)
         errx(EXIT_FAILURE, "pw->pw_name is NULL.");
+    if (getenv("WAYLAND_DISPLAY") != NULL)
+        errx(EXIT_FAILURE, "i3lock is a program for X11 and does not work on Wayland. Try https://github.com/swaywm/swaylock instead");
 
     char *optstring = "hvnbdc:p:ui:teI:f";
     while ((o = getopt_long(argc, argv, optstring, longopts, &longoptind)) != -1) {