compositor: add an option to set the default numlock value

Add a new "numlock-on" option in the [keyboard] section of weston.ini
which, if set to true, is used to enable the numlock of the keyboards
attached at startup.

Tested-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>

man/weston.ini.man

@@ -446,6 +446,12 @@ sets the delay in milliseconds since key down until repeating starts (unsigned
 integer)
 .RE
 .RE
+.TP 7
+.BI "numlock-on=" "false"
+sets the default state of the numlock on weston startup for the backends which
+support it.
+.RE
+.RE
 .SH "TERMINAL SECTION"
 Contains settings for the weston terminal application (weston-terminal). It
 allows to customize the font and shell of the command line interface.

src/compositor.c

@@ -4303,10 +4303,12 @@ int main(int argc, char *argv[])
 	const char *socket_name = NULL;
 	int32_t version = 0;
 	int32_t noconfig = 0;
+	int32_t numlock_on;
 	struct weston_config *config = NULL;
 	struct weston_config_section *section;
 	struct wl_client *primary_client;
 	struct wl_listener primary_client_destroyed;
+	struct weston_seat *seat;
 
 	const struct weston_option core_options[] = {
 		{ WESTON_OPTION_STRING, "backend", 'B', &option_backend },
@@ -4477,6 +4479,17 @@ int main(int argc, char *argv[])
 	if (load_modules(ec, option_modules, &argc, argv) < 0)
 		goto out;
 
+	section = weston_config_get_section(config, "keyboard", NULL, NULL);
+	weston_config_section_get_bool(section, "numlock-on", &numlock_on, 0);
+	if (numlock_on) {
+		wl_list_for_each(seat, &ec->seat_list, link) {
+			if (seat->keyboard)
+				weston_keyboard_set_locks(seat->keyboard,
+							  WESTON_NUM_LOCK,
+							  WESTON_NUM_LOCK);
+		}
+	}
+
 	weston_compositor_wake(ec);
 
 	wl_display_run(display);