group clocks in location UI and region editor so that they all change modes together

git-svn-id: svn://localhost/ardour2/branches/3.0@9048 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 47 insertions, 0 deletions

diff --git a/gtk2_ardour/clock_group.h b/gtk2_ardour/clock_group.h
new file mode 100644
index 0000000000..db8b8f7196
--- /dev/null
+++ b/gtk2_ardour/clock_group.h
@@ -0,0 +1,47 @@
+/*
+    Copyright (C) 2011 Paul Davis
+
+    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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __gtk_ardour_clock_group_h__
+#define __gtk_ardour_clock_group_h__
+
+#include <set>
+#include <sigc++/signal.h>
+
+#include "audio_clock.h"
+
+class ClockGroup : public sigc::trackable {
+  public:
+        ClockGroup ();
+        ~ClockGroup ();
+
+        void set_clock_mode (AudioClock::Mode);
+        AudioClock::Mode clock_mode() const { return _clock_mode; }
+
+        void add (AudioClock&);
+        void remove (AudioClock&);
+
+  private:
+        std::set<AudioClock*> clocks;
+        bool ignore_changes;
+        AudioClock::Mode _clock_mode;
+
+        void one_clock_changed (AudioClock*);
+};
+
+#endif /* __gtk_ardour_clock_group_h__ */