Commit 707a071c authored by Emmanuele Bassi's avatar Emmanuele Bassi

app: Warn when trying to add windows on an inert instance

Application windows can only be added after the application has been
parent 42b02d9d
......@@ -1020,6 +1020,10 @@ gtk_application_new (const gchar *application_id,
* Adds a window to @application.
* This call can only happen after the @application has started;
* typically, you should add new application windows in response
* to the emission of the #GApplication::activate signal.
* This call is equivalent to setting the #GtkWindow:application
* property of @window to @application.
......@@ -1027,7 +1031,7 @@ gtk_application_new (const gchar *application_id,
* will remain until the window is destroyed, but you can explicitly
* remove it with gtk_application_remove_window().
* GTK+ will keep the application running as long as it has
* GTK+ will keep the @application running as long as it has
* any windows.
* Since: 3.0
......@@ -1038,6 +1042,13 @@ gtk_application_add_window (GtkApplication *application,
g_return_if_fail (GTK_IS_APPLICATION (application));
if (!g_application_get_is_registered (G_APPLICATION (application)))
g_critical ("New application windows must be added after the "
"GApplication::startup signal has been emitted.");
if (!g_list_find (application->priv->windows, window))
g_signal_emit (application,
gtk_application_signals[WINDOW_ADDED], 0, window);
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