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print: Free print backends after use

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Print backends loaded in GtkPrintUnixDialog's load_print_backends()
are not freed later as done in e.g. GtkPageSetupUnixDialog.
This commit destroys and unref those print backends.

Closes #5019
This commit is contained in:
Marek Kasik 2022-07-11 16:54:36 +02:00
parent 6368278005
commit e68a3a6123
1 changed files with 4 additions and 1 deletions
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5
gtk/gtkprintunixdialog.c
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@ -942,6 +942,7 @@ static void
gtk_print_unix_dialog_finalize (GObject *object)
{
GtkPrintUnixDialog *dialog = GTK_PRINT_UNIX_DIALOG (object);
GList *iter;
unschedule_idle_mark_conflicts (dialog);
disconnect_printer_details_request (dialog, FALSE);
@ -967,7 +968,9 @@ gtk_print_unix_dialog_finalize (GObject *object)
g_clear_pointer (&dialog->waiting_for_printer, (GDestroyNotify)g_free);
g_clear_pointer (&dialog->format_for_printer, (GDestroyNotify)g_free);
g_list_free (dialog->print_backends);
for (iter = dialog->print_backends; iter != NULL; iter = iter->next)
gtk_print_backend_destroy (GTK_PRINT_BACKEND (iter->data));
g_list_free_full (dialog->print_backends, g_object_unref);
dialog->print_backends = NULL;
g_clear_object (&dialog->page_setup_list);