diff options
author | Paul Davis <paul@linuxaudiosystems.com> | 2011-02-11 18:02:15 +0000 |
---|---|---|
committer | Paul Davis <paul@linuxaudiosystems.com> | 2011-02-11 18:02:15 +0000 |
commit | fe6ca1786f0a1d494ddc379acc3a9e4a34738acf (patch) | |
tree | 1da5cd2344a5ee87061857d6b6c07fc6162822f0 /gtk2_ardour/volume_controller.cc | |
parent | f336aa4f67fb68ce58d166209fa807c85eaa47e7 (diff) |
add back working version of VolumeController
git-svn-id: svn://localhost/ardour2/branches/3.0@8827 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'gtk2_ardour/volume_controller.cc')
-rw-r--r-- | gtk2_ardour/volume_controller.cc | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/gtk2_ardour/volume_controller.cc b/gtk2_ardour/volume_controller.cc new file mode 100644 index 0000000000..b7a562de06 --- /dev/null +++ b/gtk2_ardour/volume_controller.cc @@ -0,0 +1,72 @@ +/* + Copyright (C) 1998-2007 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. + + $Id: volume_controller.cc,v 1.4 2000/05/03 15:54:21 pbd Exp $ +*/ + +#include <string.h> +#include <limits.h> + +#include "pbd/controllable.h" + +#include "gtkmm2ext/gui_thread.h" +#include "ardour/utils.h" + +#include "volume_controller.h" + +using namespace Gtk; + +VolumeController::VolumeController (Glib::RefPtr<Gdk::Pixbuf> p, + Gtk::Adjustment *adj, + bool with_numeric, + int subw, int subh) + + : MotionFeedback (p, MotionFeedback::Rotary, "", adj, with_numeric, subw, subh) +{ + get_adjustment()->signal_value_changed().connect (mem_fun (*this,&VolumeController::adjustment_value_changed)); +} + +void +VolumeController::set_controllable (boost::shared_ptr<PBD::Controllable> c) +{ + MotionFeedback::set_controllable (c); + + controllable_connection.disconnect (); + + if (c) { + c->Changed.connect (controllable_connection, MISSING_INVALIDATOR, boost::bind (&VolumeController::controllable_value_changed, this), gui_context()); + } +} + +void +VolumeController::controllable_value_changed () +{ + boost::shared_ptr<PBD::Controllable> c = controllable(); + if (c) { + get_adjustment()->set_value (gain_to_slider_position (c->get_value ())); + } +} + +void +VolumeController::adjustment_value_changed () +{ + boost::shared_ptr<PBD::Controllable> c = controllable(); + if (c) { + c->set_value (slider_position_to_gain (get_adjustment()->get_value())); + } +} + + |