Add uicb_restart to restart awesome with the real command line

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

awesomerc.5.txt

@@ -252,7 +252,9 @@ General
 *spawn* client::
     Execute an external program.
 *exec* program::
-    Replace awesome with another window manager (or itself; i.e. reload config).
+    Replace awesome with another window manager.
+*restart*::
+    Restart awesome.
 *widget_tell* widget-identifier data::
     Feed information to your widgets.
 

awesomerc.in

@@ -395,8 +395,7 @@ keys
     {
         modkey = {"Mod4", "Control"}
         key = "r"
-        command = "exec"
+        command = "restart"
-        arg = "awesome"
     }
     key
     {

uicb.c

@@ -46,9 +46,21 @@ extern AwesomeConf globalconf;
 
 #include "uicbgen.h"
 
+/** Restart awesome with the current command line
+ * \param screen ID (unused)
+ * \param arg arg (unused)
+ * \ingroup ui_callback
+ */
+void
+uicb_restart(int screen __attribute__ ((unused)),
+             char *arg __attribute__ ((unused)))
+{
+    uicb_exec(0, globalconf.argv);
+}
+
 /** Execute another process, replacing the current instance of Awesome
  * \param screen Screen ID
- * \param arg Command
+ * \param cmd Command
  * \ingroup ui_callback
  */
 void

uicb.h

@@ -26,6 +26,7 @@ typedef void (Uicb)(int, char *);
 
 int parse_control(char *);
 
+Uicb uicb_restart;
 Uicb uicb_exec;
 Uicb uicb_spawn;