[gnome-bluetooth] test-pairing-device: Use a GMainLoop to iterate

[Bastien Nocera <hadess src gnome org>]

commit c64c01b4b42a9907e6635ec90a528752e901b40d
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Oct 27 17:55:45 2021 -0300

    test-pairing-device: Use a GMainLoop to iterate
    
    Using the documented toplevel check isn't enough here, because a
    GtkDialog isn't registered as a toplevel, so switch to GMainLoop.

 lib/test-pairing-dialog.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)
---
diff --git a/lib/test-pairing-dialog.c b/lib/test-pairing-dialog.c
index 408f3894..2d2ec887 100644
--- a/lib/test-pairing-dialog.c
+++ b/lib/test-pairing-dialog.c
@@ -22,6 +22,7 @@ response_cb (GtkDialog *dialog,
             int        response,
             gpointer   user_data)
 {
+       GMainLoop *mainloop = user_data;
        g_message ("Received response '%d' (%s)",
                   response, response_to_str (response));
 
@@ -29,6 +30,7 @@ response_cb (GtkDialog *dialog,
            response == GTK_RESPONSE_DELETE_EVENT) {
                if (response != GTK_RESPONSE_DELETE_EVENT)
                        gtk_window_destroy (GTK_WINDOW (dialog));
+               g_main_loop_quit (mainloop);
                return;
        }
 
@@ -39,11 +41,13 @@ response_cb (GtkDialog *dialog,
                                                   "My device");
        } else {
                gtk_window_destroy (GTK_WINDOW (dialog));
+               g_main_loop_quit (mainloop);
        }
 }
 
 int main (int argc, char **argv)
 {
+       g_autoptr(GMainLoop) mainloop = NULL;
        GtkWidget *window;
        BluetoothPairingMode mode;
        const char *pin = "123456";
@@ -82,18 +86,19 @@ int main (int argc, char **argv)
                return 1;
        }
 
+       mainloop = g_main_loop_new (NULL, FALSE);
+
        window = bluetooth_pairing_dialog_new ();
        bluetooth_pairing_dialog_set_mode (BLUETOOTH_PAIRING_DIALOG (window),
                                           mode,
                                           pin,
                                           device);
        g_signal_connect (G_OBJECT (window), "response",
-                         G_CALLBACK (response_cb), window);
+                         G_CALLBACK (response_cb), mainloop);
 
        gtk_widget_show (window);
 
-       while (g_list_model_get_n_items (gtk_window_get_toplevels()) > 0)
-               g_main_context_iteration (NULL, TRUE);
+       g_main_loop_run (mainloop);
 
        return 0;
 }