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authorEttore Perazzoli <ettore@src.gnome.org>2000-09-11 00:30:36 +0800
committerEttore Perazzoli <ettore@src.gnome.org>2000-09-11 00:30:36 +0800
commit04b9887c41506d308aac7b89858b3bd5a4bb9ec4 (patch)
treeab1abd3a26582f4a660e37bbfa54e28faebbf59f /e-util/e-gtk-utils.c
parent7dc0bc621e9dfa3bcc0d2aee4f2b15a5945829f5 (diff)
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Implemented a new `e_gtk_signal_connect_full_while_alive()' utility
that does what `gtk_signal_connect_full()' does, but with additional destruction safety as provided by `gtk_signal_connect_while_alive()'. svn path=/trunk/; revision=5303
Diffstat (limited to 'e-util/e-gtk-utils.c')
-rw-r--r--e-util/e-gtk-utils.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/e-util/e-gtk-utils.c b/e-util/e-gtk-utils.c
new file mode 100644
index 0000000000..3cca1d0789
--- /dev/null
+++ b/e-util/e-gtk-utils.c
@@ -0,0 +1,106 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-gtk-utils.c
+ *
+ * Copyright (C) 2000 Helix Code, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-gtk-utils.h"
+
+
+/* (Cut and pasted from Gtk.) */
+
+typedef struct DisconnectInfo {
+ unsigned int signal_handler;
+
+ GtkObject *object1;
+ unsigned int disconnect_handler1;
+
+ GtkObject *object2;
+ unsigned int disconnect_handler2;
+} DisconnectInfo;
+
+static unsigned int
+alive_disconnecter (GtkObject *object,
+ DisconnectInfo *info)
+{
+ g_assert (info != NULL);
+
+ gtk_signal_disconnect (info->object1, info->disconnect_handler1);
+ gtk_signal_disconnect (info->object1, info->signal_handler);
+ gtk_signal_disconnect (info->object2, info->disconnect_handler2);
+
+ g_free (info);
+
+ return 0;
+}
+
+/**
+ * e_gtk_signal_connect_full_while_alive:
+ * @object:
+ * @name:
+ * @func:
+ * @marshal:
+ * @data:
+ * @destroy_func:
+ * @object_signal:
+ * @after:
+ * @alive_object:
+ *
+ * Connect a signal like `gtk_signal_connect_while_alive()', but with full
+ * params like `gtk_signal_connect_full()'.
+ **/
+void
+e_gtk_signal_connect_full_while_alive (GtkObject *object,
+ const char *name,
+ GtkSignalFunc func,
+ GtkCallbackMarshal marshal,
+ void *data,
+ GtkDestroyNotify destroy_func,
+ gboolean object_signal,
+ gboolean after,
+ GtkObject *alive_object)
+{
+ DisconnectInfo *info;
+
+ g_return_if_fail (GTK_IS_OBJECT (object));
+ g_return_if_fail (name != NULL);
+ g_return_if_fail (func != NULL);
+ g_return_if_fail (GTK_IS_OBJECT (alive_object));
+
+ info = g_new (DisconnectInfo, 1);
+
+ info->signal_handler = gtk_signal_connect_full (object, name,
+ func, marshal, data,
+ destroy_func,
+ object_signal, after);
+
+ info->object1 = object;
+ info->disconnect_handler1 = gtk_signal_connect (object, "destroy",
+ GTK_SIGNAL_FUNC (alive_disconnecter), info);
+
+ info->object2 = alive_object;
+ info->disconnect_handler2 = gtk_signal_connect (alive_object, "destroy",
+ GTK_SIGNAL_FUNC (alive_disconnecter), info);
+}