ja esta fazendo chamada no gio para mountar

src/Makefile

@@ -1,2 +1,2 @@
 all:
-	gcc `pkg-config --libs --cflags gtk+-2.0` mountmatricula.c -o matricula
+	gcc `pkg-config --libs --cflags gtk+-2.0 gmodule-export-2.0` mountmatricula.c -o matricula

src/gui.ui

@@ -31,9 +31,10 @@
               </packing>
             </child>
             <child>
-              <object class="GtkButton" id="button1">
+              <object class="GtkButton" id="btn_connect">
                 <property name="label">gtk-connect</property>
                 <property name="visible">True</property>
+                <property name="sensitive">False</property>
                 <property name="can_focus">True</property>
                 <property name="receives_default">True</property>
                 <property name="use_action_appearance">False</property>
@@ -167,7 +168,7 @@
     </child>
     <action-widgets>
       <action-widget response="0">button2</action-widget>
-      <action-widget response="1">button1</action-widget>
+      <action-widget response="1">btn_connect</action-widget>
     </action-widgets>
   </object>
 </interface>

src/mountmatricula.c

@@ -3,16 +3,73 @@
 #include <gtk/gtk.h>
 #include <gio/gio.h>
 
+gchar SERVIDOR[] = "localhost";
+
+static void
+mount_mountable_done_cb (GObject *object,
+                         GAsyncResult *res,
+                         gpointer user_data)
+{
+  GFile *target;
+  GError *error = NULL;
+
+  target = g_file_mount_mountable_finish (G_FILE (object), res, &error);
+
+  g_print ("Destino, %s", target);
+
+  if (target == NULL)
+    g_printerr ("Error mounting location: %s\n", error->message);
+  else
+    g_object_unref (target);
+  /*
+  outstanding_mounts--;
+
+  if (outstanding_mounts == 0)
+    g_main_loop_quit (main_loop);
+    */
+}
+
+void mount (char *username, char *password) {
+  GFile *file;
+  gchar *cmd;
+  GMountOperation *op;
+
+  cmd = g_strdup_printf("ssh://%s@%s:/home/%s",
+		       username, SERVIDOR, username);
+
+  g_print ("mountando: %s\n", cmd);
+
+  file = g_file_new_for_commandline_arg (cmd);
+  op = g_mount_operation_new ();
+  g_mount_operation_set_password (op, password);
+  g_file_mount_mountable (file, 0, op, NULL, mount_mountable_done_cb, op);
+
+}
 
 void values_changed_cb (GtkWidget *widget, GtkBuilder *builder) {
-  g_print ("values changed");
+  GObject *obj;
+  gint u, p;
+
+  obj = gtk_builder_get_object(builder, "username");
+  u = gtk_entry_get_text_length (GTK_ENTRY(obj));
+
+  obj = gtk_builder_get_object(builder, "password");
+  p = gtk_entry_get_text_length (GTK_ENTRY(obj));
+
+  obj = gtk_builder_get_object(builder, "btn_connect");
+
+  if ((u < 1) || (p < 1))
+    gtk_widget_set_sensitive (GTK_WIDGET(obj), FALSE);
+  else 
+    gtk_widget_set_sensitive (GTK_WIDGET(obj), TRUE);
+
 }
 
 
 int main (int argc, char *argv[]) {
   GtkBuilder *builder;
-  GtkWidget *dialog;
-
+  GtkWidget *dialog, *obj;
+  gchar *username, *password;
 
   gtk_init(&argc, &argv);
   builder = gtk_builder_new();
@@ -34,8 +91,17 @@ int main (int argc, char *argv[]) {
 
   gtk_builder_connect_signals (builder, builder);
 
-  dialog = gtk_builder_get_object (builder, "dialog");
-  gtk_dialog_run (GTK_DIALOG(dialog));			 
+  dialog = GTK_WIDGET(gtk_builder_get_object (builder, "dialog"));
+  gint result = gtk_dialog_run (GTK_DIALOG(dialog));
+
+  if (result) {
+    obj = gtk_builder_get_object (builder, "username");
+    username = gtk_entry_get_text (GTK_ENTRY(obj));
 
+    obj = gtk_builder_get_object (builder, "password");
+    password = gtk_entry_get_text (GTK_ENTRY(obj));
+    mount (username, password);
+
+  }
   gtk_main();
 }