restart on XRandR event

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

awesome.c

@@ -207,6 +207,7 @@ main(int argc, char *argv[])
     Display * dpy;
     int shape_event, randr_event_base;
     int screen, screen_count;
+    int i, cmdlen;
     event_handler **handler;
     struct sockaddr_un *addr;
 
@@ -235,6 +236,16 @@ main(int argc, char *argv[])
     if(!(dpy = XOpenDisplay(NULL)))
         eprint("cannot open display\n");
 
+    for(cmdlen = 0, i = 0; i < argc; i++)
+        cmdlen += a_strlen(argv[i] + 1);
+    globalconf.argv = p_new(char, cmdlen);
+    a_strcpy(globalconf.argv, cmdlen, argv[0]);
+    for(i = 1; i < argc; i++)
+    {
+        a_strcat(globalconf.argv, cmdlen, " ");
+        a_strcat(globalconf.argv, cmdlen, argv[i]);
+    }
+
     xfd = ConnectionNumber(dpy);
 
     XSetErrorHandler(xerrorstart);

config.h

@@ -313,6 +313,8 @@ struct AwesomeConf
     FocusList *focus;
     /** Link between tags and clients */
     TagClientLink *tclink;
+    /** Command line passed to awesome */
+    char *argv;
 };
 
 void config_parse(const char *);

event.c

@@ -37,7 +37,7 @@
 #include "widget.h"
 #include "layouts/tile.h"
 #include "layouts/floating.h"
-
+#include "xutil.h"
 
 extern AwesomeConf globalconf;
 
@@ -410,6 +410,7 @@ void
 handle_event_randr_screen_change_notify(XEvent *e)
 {
     XRRUpdateConfiguration(e);
+    uicb_exec(0, globalconf.argv);
 }
 
 void