Enable numlock in ldm greeter

 Hi,

I noticed that numlock is not enabled (or turned off) when LDM starts.

Yesterday I discussed this behavior on IRC and some people agreed that it
would be ok to include a setting which makes
this configurable via lts.conf

Attached is a patch to greeter.c to allow this.
It will check lts.conf for a NUM_LOCK settings (which is a boolean), if it
is set to true numlockx on will be started.

Since I'm not an experienced (C) programmer It's possible that it still
contains some undocumented features/bugs ;-)


Feedback is appreciated.



Leo

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=== modified file 'gtkgreet/greeter.c'
--- gtkgreet/greeter.c	2008-07-01 21:53:04 +0000
+++ gtkgreet/greeter.c	2008-07-09 10:42:23 +0000
@@ -328,6 +328,35 @@
     return;
 }
 
+void
+enable_numlock()
+{
+	char *argv[32];
+	int i=0;
+	int numlock;
+
+	numlock=ldm_getenv_bool("NUM_LOCK");
+
+	if(access("/usr/bin/numlockx" , X_OK)) {	
+		argv[i++] = "/usr/bin/numlockx";
+	
+		if(numlock) 
+			argv[i++] = "on";
+		else
+			argv[i++] = "off";
+
+		argv[i++] = NULL;
+
+		if (i > 2) {
+        		g_spawn_sync(NULL,argv,NULL,G_SPAWN_STDOUT_TO_DEV_NULL|G_SPAWN_STDERR_TO_DEV_NULL,NULL,NULL,NULL,NULL,NULL,NULL);
+	    	}
+	}
+
+	return;
+}
+
+
+
 int
 main(int argc, char *argv[])
 {
@@ -516,6 +545,7 @@
     g_io_add_watch(g_stdin, G_IO_IN, (GIOFunc) handle_command, g_stdin);
 
     setup_keyboard_layout();
+	enable_numlock();
     gtk_main();
 
     return 0;