* src/main.c (main): if the screen was specified on the

command-line, send the command to the correct screen.

* src/communications.c (send_command): new argument,
screen_num. Get the root window for the specified
screen. prototype updated.

1 files changed, 13 insertions, 3 deletions

diff --git a/src/communications.c b/src/communications.c
index 7705c85..d5e96d0 100644
--- a/src/communications.c
+++ b/src/communications.c
@@ -81,13 +81,23 @@ recieve_command_result (Window w)
 }
 
 int
-send_command (unsigned char *cmd)
+send_command (unsigned char *cmd, int screen_num)
 {
   Window w;
   int done = 0;
 
-  w = XCreateSimpleWindow (dpy, DefaultRootWindow (dpy),
-			   0, 0, 1, 1, 0, 0, 0);
+  /* If the user specified a specific screen, then send the event to
+     that screen. */
+  if (screen_num >= 0)
+    {
+      w = XCreateSimpleWindow (dpy, RootWindow (dpy, screen_num),
+			       0, 0, 1, 1, 0, 0, 0);
+    }
+  else
+    {
+      w = XCreateSimpleWindow (dpy, DefaultRootWindow (dpy),
+			       0, 0, 1, 1, 0, 0, 0);
+    }
 
   /* Select first to avoid race condition */
   XSelectInput (dpy, w, PropertyChangeMask);