Bug #333184 - Add Undo support to component editors

1 files changed, 48 insertions, 0 deletions

diff --git a/e-util/e-widget-undo.h b/e-util/e-widget-undo.h
new file mode 100644
index 0000000000..848359be93
--- /dev/null
+++ b/e-util/e-widget-undo.h
@@ -0,0 +1,48 @@
+/*
+ * This program 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.
+ *
+ * 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 Lesser General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ * Authors:
+ *		Milan Crha <mcrha@redhat.com>
+ *
+ * Copyright (C) 2014 Red Hat, Inc. (www.redhat.com)
+ *
+ */
+
+#if !defined (__E_UTIL_H_INSIDE__) && !defined (LIBEUTIL_COMPILATION)
+#error "Only <e-util/e-util.h> should be included directly."
+#endif
+
+#ifndef E_WIDGET_UNDO_H
+#define E_WIDGET_UNDO_H
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+struct _EFocusTracker;
+
+void		e_widget_undo_attach		(GtkWidget *widget,
+						 struct _EFocusTracker *focus_tracker);
+gboolean	e_widget_undo_is_attached	(GtkWidget *widget);
+gboolean	e_widget_undo_has_undo		(GtkWidget *widget);
+gboolean	e_widget_undo_has_redo		(GtkWidget *widget);
+gchar *		e_widget_undo_describe_undo	(GtkWidget *widget);
+gchar *		e_widget_undo_describe_redo	(GtkWidget *widget);
+void		e_widget_undo_do_undo		(GtkWidget *widget);
+void		e_widget_undo_do_redo		(GtkWidget *widget);
+void		e_widget_undo_reset		(GtkWidget *widget);
+
+G_END_DECLS
+
+#endif /* E_WIDGET_UNDO_H */