factorize quit/exec elements, and reparent systray

That fixes FS#296.

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

awesome.c

@@ -29,6 +29,7 @@
 
 #include <ev.h>
 
+#include "awesome.h"
 #include "client.h"
 #include "event.h"
 #include "window.h"
@@ -48,6 +49,33 @@ typedef struct
     xcb_query_tree_cookie_t tree_cookie;
 } root_win_t;
 
+/** Call before exiting.
+ */
+void
+awesome_atexit(void)
+{
+    client_t *c;
+    xembed_window_t *em;
+
+    a_dbus_cleanup();
+    luaA_cs_cleanup();
+
+    /* reparent systray windows, otherwise they may die with their master */
+    for(em = globalconf.embedded; em; em = em->next)
+    {
+        xcb_screen_t *s = xutil_screen_get(globalconf.connection, em->phys_screen);
+        xcb_reparent_window(globalconf.connection, em->win, s->root, 0, 0);
+    }
+
+    /* remap all clients since some WM won't handle them otherwise */
+    for(c = globalconf.clients; c; c = c->next)
+        client_unban(c);
+
+    xcb_flush(globalconf.connection);
+
+    xcb_disconnect(globalconf.connection);
+}
+
 /** Scan X to find windows to manage.
  */
 static void
@@ -199,13 +227,20 @@ exit_on_signal(EV_P_ ev_signal *w, int revents)
     ev_unloop(EV_A_ 1);
 }
 
+void
+awesome_restart(void)
+{
+    awesome_atexit();
+    a_exec(globalconf.argv);
+}
+
 /** Function to restart aweome on some signals.
  * \param sig the signam received, unused
  */
 static void
 restart_on_signal(EV_P_ ev_signal *w, int revents)
 {
-    ewmh_restart();
+    awesome_restart();
 }
 
 /** \brief awesome xerror function.
@@ -280,7 +315,6 @@ main(int argc, char **argv)
     xcolor_init_request_t colors_reqs[2];
     xcb_get_modifier_mapping_cookie_t xmapping_cookie;
     ssize_t cmdlen = 1;
-    client_t *c;
     static struct option long_options[] =
     {
         {"help",    0, NULL, 'h'},
@@ -486,16 +520,8 @@ main(int argc, char **argv)
     ev_check_stop(globalconf.loop, &xcheck);
     ev_ref(globalconf.loop);
     ev_io_stop(globalconf.loop, &xio);
-    a_dbus_cleanup();
-    luaA_cs_cleanup();
 
-    /* remap all clients since some WM won't handle them otherwise */
-    for(c = globalconf.clients; c; c = c->next)
-        client_unban(c);
-
-    xcb_flush(globalconf.connection);
-
-    xcb_disconnect(globalconf.connection);
+    awesome_atexit();
 
     return EXIT_SUCCESS;
 }

awesome.h

@@ -0,0 +1,29 @@
+/*
+ * awesome.h - awesome main header
+ *
+ * Copyright © 2008 Julien Danjou <julien@danjou.info>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#ifndef AWESOME_AWESOME_H
+#define AWESOME_AWESOME_H
+
+void awesome_restart(void);
+void awesome_atexit(void);
+
+#endif
+// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

event.c

@@ -24,6 +24,7 @@
 #include <xcb/randr.h>
 #include <xcb/xcb_icccm.h>
 
+#include "awesome.h"
 #include "event.h"
 #include "tag.h"
 #include "window.h"
@@ -285,7 +286,7 @@ event_handle_configurenotify(void *data __attribute__ ((unused)),
            && (ev->width != screen->width_in_pixels
                || ev->height != screen->height_in_pixels))
             /* it's not that we panic, but restart */
-            ewmh_restart();
+            awesome_restart();
 
     return 0;
 }
@@ -615,7 +616,7 @@ event_handle_randr_screen_change_notify(void *data __attribute__ ((unused)),
      * XRenderSetSubpixelOrder(dpy, snum, scevent->subpixel_order);
      */
 
-    ewmh_restart();
+    awesome_restart();
 
     return 0;
 }

ewmh.c

@@ -572,21 +572,4 @@ ewmh_window_icon_get_reply(xcb_get_property_cookie_t cookie)
     return icon;
 }
 
-/**
- * Restart awesome.
- */
-void
-ewmh_restart(void)
-{
-    client_t *c;
-
-    for(c = globalconf.clients; c; c = c->next)
-        client_unban(c);
-
-    xcb_flush(globalconf.connection);
-    xcb_disconnect(globalconf.connection);
-
-    a_exec(globalconf.argv);
-}
-
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

ewmh.h

@@ -46,7 +46,6 @@ void ewmh_check_client_hints(client_t *);
 void ewmh_update_workarea(int);
 xcb_get_property_cookie_t ewmh_window_icon_get_unchecked(xcb_window_t);
 netwm_icon_t *ewmh_window_icon_get_reply(xcb_get_property_cookie_t);
-void ewmh_restart(void);
 
 #endif
 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80

lua.c

@@ -37,6 +37,7 @@
 
 #include <xcb/xcb.h>
 
+#include "awesome.h"
 #include "awesome-version-internal.h"
 #include "ewmh.h"
 #include "config.h"
@@ -108,14 +109,9 @@ luaA_quit(lua_State *L __attribute__ ((unused)))
 static int
 luaA_exec(lua_State *L)
 {
-    client_t *c;
     const char *cmd = luaL_checkstring(L, 1);
 
-    for(c = globalconf.clients; c; c = c->next)
-        client_unban(c);
-
-    xcb_flush(globalconf.connection);
-    xcb_disconnect(globalconf.connection);
+    awesome_atexit();
 
     a_exec(cmd);
     return 0;
@@ -126,7 +122,7 @@ luaA_exec(lua_State *L)
 static int
 luaA_restart(lua_State *L __attribute__ ((unused)))
 {
-    ewmh_restart();
+    awesome_restart();
     return 0;
 }