[emptybox] Add alignment option

Signed-off-by: Julien Danjou <julien@danjou.info>

common/configopts.c

@@ -324,6 +324,8 @@ cfg_opt_t widget_emptybox_opts[] =
     CFG_INT((char *) "x", 0xffffffff, CFGF_NONE),
     /** Y coordinate, do not set for auto. */
     CFG_INT((char *) "y", 0xffffffff, CFGF_NONE),
+    /** Widget alignment. */
+    CFG_ALIGNMENT((char *) "align", (char *) "auto", CFGF_NONE),
     /** Mouse bindings. */
     CFG_SEC((char *) "mouse", mouse_generic_opts, CFGF_MULTI),
     /** Widget width. Set to 0 for auto. */

widgets/emptybox.c

@@ -57,6 +57,7 @@ emptybox_new(Statusbar *statusbar, cfg_t *config)
     w = p_new(Widget, 1);
     widget_common_new(w, statusbar, config);
     w->draw = emptybox_draw;
+    w->alignment = cfg_getalignment(config, "align");
 
     w->data = d = p_new(Data, 1);