[gedit] gedit-app: fix XDG_CURRENT_DESKTOP usage

[Alberts Muktupāvels <muktupavels src gnome org>]

commit de8132d0081a78b44319320e81537b023b9e4de0
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Mar 31 15:48:06 2016 +0300

    gedit-app: fix XDG_CURRENT_DESKTOP usage

 gedit/gedit-app.c |   40 ++++++++++++++++++++++++++++++++++------
 1 files changed, 34 insertions(+), 6 deletions(-)
---
diff --git a/gedit/gedit-app.c b/gedit/gedit-app.c
index e21b3bd..ecba7c1 100644
--- a/gedit/gedit-app.c
+++ b/gedit/gedit-app.c
@@ -755,6 +755,39 @@ add_accelerator (GtkApplication *app,
        gtk_application_set_accels_for_action (app, action_name, vaccels);
 }
 
+#ifndef OS_OSX
+static gboolean
+in_desktop (const gchar *name)
+{
+       const gchar *xdg_current_desktop;
+       gboolean result;
+       gchar **desktops;
+       gint i;
+
+       xdg_current_desktop = g_getenv ("XDG_CURRENT_DESKTOP");
+       if (xdg_current_desktop == NULL)
+       {
+               return FALSE;
+       }
+
+       result = FALSE;
+       desktops = g_strsplit (xdg_current_desktop, ":", -1);
+
+       for (i = 0; desktops[i] != NULL; i++)
+       {
+               if (g_strcmp0 (desktops[i], name) == 0)
+               {
+                       result = TRUE;
+                       break;
+               }
+       }
+
+       g_strfreev (desktops);
+
+       return result;
+}
+#endif
+
 static void
 gedit_app_startup (GApplication *application)
 {
@@ -765,9 +798,6 @@ gedit_app_startup (GApplication *application)
        const gchar *cache_dir;
        gchar *metadata_filename;
 #endif
-#ifndef OS_OSX
-       const gchar *current_desktop;
-#endif
 
        priv = gedit_app_get_instance_private (GEDIT_APP (application));
 
@@ -802,9 +832,7 @@ gedit_app_startup (GApplication *application)
        /* menus */
 #ifndef OS_OSX
        /* We will use a menubar with osx or unity */
-       current_desktop = g_getenv ("XDG_CURRENT_DESKTOP");
-       if (current_desktop == NULL ||
-           g_ascii_strcasecmp (current_desktop, "Unity") != 0)
+       if (!in_desktop ("Unity"))
        {
                priv->hamburger_menu = get_menu_model (GEDIT_APP (application),
                                                       "hamburger-menu");