[gtk+] gtkunixprint: Add support for g_autoptr()

[Alexander Larsson <alexl src gnome org>]

commit 88d166d8cc39cca1376da8df790f77ef3abbc1db
Author: Alexander Larsson <alexl redhat com>
Date:   Mon Feb 2 09:32:45 2015 +0100

    gtkunixprint: Add support for g_autoptr()
    
    https://bugzilla.gnome.org/show_bug.cgi?id=743640

 gtk/Makefile.am                 |    1 +
 gtk/gtkunixprint-autocleanups.h |   28 ++++++++++++++++++++++++++++
 gtk/gtkunixprint.h              |    2 ++
 3 files changed, 31 insertions(+), 0 deletions(-)
---
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index b04d6ba..14a43d0 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -323,6 +323,7 @@ gtk_unix_print_public_h_sources =   \
        gtkprintunixdialog.h            \
        gtkprinter.h                    \
        gtkprintjob.h                   \
+       gtkunixprint-autocleanups.h     \
        gtkunixprint.h
 endif
 
diff --git a/gtk/gtkunixprint-autocleanups.h b/gtk/gtkunixprint-autocleanups.h
new file mode 100644
index 0000000..e80da85
--- /dev/null
+++ b/gtk/gtkunixprint-autocleanups.h
@@ -0,0 +1,28 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#if !defined (__GTK_UNIX_PRINT_H_INSIDE__) && !defined (GTK_COMPILATION)
+#error "Only <gtk/gtkunixprint.h> can be included directly."
+#endif
+
+#ifndef __GI_SCANNER__
+
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkPrintJob, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkPrinter, g_object_unref)
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(GtkPrintUnixDialog, g_object_unref)
+
+#endif
diff --git a/gtk/gtkunixprint.h b/gtk/gtkunixprint.h
index 7bb2ceb..c39e3d1 100644
--- a/gtk/gtkunixprint.h
+++ b/gtk/gtkunixprint.h
@@ -24,6 +24,8 @@
 #include <gtk/gtkprintjob.h>
 #include <gtk/gtkprintunixdialog.h>
 
+#include <gtk/gtkunixprint-autocleanups.h>
+
 #undef __GTK_UNIX_PRINT_H_INSIDE__
 
 #endif /* __GTK_UNIX_PRINT_H__ */