+
+ GtkWidget *dialogue =
+ gtk_message_dialog_new(
+ GTK_WINDOW(gtk_widget_get_toplevel(widget)),
+ GTK_DIALOG_MODAL|GTK_DIALOG_DESTROY_WITH_PARENT,
+ GTK_MESSAGE_ERROR,
+ GTK_BUTTONS_OK,
+ "Cannot open trace : maybe you should enter in the trace "
+ "directory to select it ?");
+ gtk_dialog_run(GTK_DIALOG(dialogue));
+ gtk_widget_destroy(dialogue);
+