Paul Davis
e69aca2842
git-svn-id: svn://localhost/ardour2/branches/3.0@6863 d708f5d6-7413-0410-9779-e7cbd77b26cf
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/*
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Copyright (C) 2004 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id$
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*/
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#include <string>
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#include <iostream>
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#include "pbd/controllable.h"
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#include "gtkmm2ext/gtk_ui.h"
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#include "gtkmm2ext/bindable_button.h"
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#include "gtkmm2ext/gui_thread.h"
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#include "i18n.h"
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using namespace Gtkmm2ext;
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using namespace std;
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using namespace PBD;
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void
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BindableToggleButton::set_controllable (boost::shared_ptr<PBD::Controllable> c)
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{
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watch_connection.disconnect ();
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binding_proxy.set_controllable (c);
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}
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void
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BindableToggleButton::watch ()
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{
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boost::shared_ptr<Controllable> c (binding_proxy.get_controllable ());
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if (!c) {
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warning << _("button cannot watch state of non-existing Controllable\n") << endl;
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return;
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}
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c->Changed.connect (watch_connection, invalidator(*this), boost::bind (&BindableToggleButton::controllable_changed, this), gui_context());
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}
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void
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BindableToggleButton::controllable_changed ()
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{
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float val = binding_proxy.get_controllable()->get_value();
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set_active (fabs (val) >= 0.5f);
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}
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