[gedit/wip/printing-enhancements: 1/3] print-preview: fix memory leaks

[Sébastien Wilmet <swilmet src gnome org>]

commit e0a4824131f9ee56a688c83dbe469357b91e8202
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Jun 28 06:51:44 2015 +0200

    print-preview: fix memory leaks

 gedit/gedit-print-preview.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/gedit/gedit-print-preview.c b/gedit/gedit-print-preview.c
index dd4393c..fabd87c 100644
--- a/gedit/gedit-print-preview.c
+++ b/gedit/gedit-print-preview.c
@@ -81,6 +81,18 @@ struct _GeditPrintPreview
 G_DEFINE_TYPE (GeditPrintPreview, gedit_print_preview, GTK_TYPE_GRID)
 
 static void
+gedit_print_preview_dispose (GObject *object)
+{
+       GeditPrintPreview *preview = GEDIT_PRINT_PREVIEW (object);
+
+       g_clear_object (&preview->operation);
+       g_clear_object (&preview->context);
+       g_clear_object (&preview->gtk_preview);
+
+       G_OBJECT_CLASS (gedit_print_preview_parent_class)->dispose (object);
+}
+
+static void
 gedit_print_preview_grab_focus (GtkWidget *widget)
 {
        GeditPrintPreview *preview = GEDIT_PRINT_PREVIEW (widget);
@@ -91,8 +103,11 @@ gedit_print_preview_grab_focus (GtkWidget *widget)
 static void
 gedit_print_preview_class_init (GeditPrintPreviewClass *klass)
 {
+       GObjectClass *object_class = G_OBJECT_CLASS (klass);
        GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 
+       object_class->dispose = gedit_print_preview_dispose;
+
        widget_class->grab_focus = gedit_print_preview_grab_focus;
 
        /* Bind class to template */