Missing files.

diff --git a/src/lib/content_change.cc b/src/lib/content_change.cc
new file mode 100644 (file)
index 0000000..c286f80
--- /dev/null
+++ b/src/lib/content_change.cc
@@ -0,0 +1,46 @@
+/*
+    Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic 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.
+
+    DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "content_change.h"
+#include "content.h"
+
+ContentChange::ContentChange (Content* c, int p)
+       : _content (c)
+       , _property (p)
+       , _done (true)
+{
+       _content->MayChange ();
+}
+
+
+ContentChange::~ContentChange ()
+{
+       if (_done) {
+               _content->signal_changed (_property);
+       } else {
+               _content->NotChanged ();
+       }
+}
+
+void
+ContentChange::abort ()
+{
+       _done = false;
+}

diff --git a/src/lib/content_change.h b/src/lib/content_change.h
new file mode 100644 (file)
index 0000000..67012a7
--- /dev/null
+++ b/src/lib/content_change.h
@@ -0,0 +1,35 @@
+/*
+    Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic 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.
+
+    DCP-o-matic 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 DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+class Content;
+
+class ContentChange
+{
+public:
+       ContentChange (Content* c, int p);
+       ~ContentChange ();
+
+       void abort ();
+
+private:
+       Content* _content;
+       int _property;
+       bool _done;
+};