Paul Davis
17088ee3ea
git-svn-id: svn://localhost/ardour2/branches/3.0@6720 d708f5d6-7413-0410-9779-e7cbd77b26cf
101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
/*
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Copyright (C) 2000-2007 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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*/
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#include "evoral/Curve.hpp"
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#include "pbd/memento_command.h"
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#include "pbd/stateful_diff_command.h"
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#include "ardour/audioregion.h"
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#include "ardour/session.h"
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#include "region_gain_line.h"
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#include "audio_region_view.h"
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#include "utils.h"
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#include "time_axis_view.h"
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#include "editor.h"
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#include "i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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AudioRegionGainLine::AudioRegionGainLine (const string & name, AudioRegionView& r, ArdourCanvas::Group& parent, boost::shared_ptr<AutomationList> l)
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: AutomationLine (name, r.get_time_axis_view(), parent, l)
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, rv (r)
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{
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// If this isn't true something is horribly wrong, and we'll get catastrophic gain values
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assert(l->parameter().type() == EnvelopeAutomation);
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group->raise_to_top ();
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group->property_y() = 2;
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set_uses_gain_mapping (true);
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terminal_points_can_slide = false;
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}
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void
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AudioRegionGainLine::start_drag_single (ControlPoint* cp, double x, float fraction)
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{
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AutomationLine::start_drag_single (cp, x, fraction);
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// XXX Stateful need to capture automation curve data
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if (!rv.audio_region()->envelope_active()) {
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trackview.session()->add_command(new MementoCommand<AudioRegion>(*(rv.audio_region().get()), &rv.audio_region()->get_state(), 0));
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rv.audio_region()->set_envelope_active(false);
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}
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}
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// This is an extended copy from AutomationList
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void
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AudioRegionGainLine::remove_point (ControlPoint& cp)
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{
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ModelRepresentation mr;
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model_representation (cp, mr);
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trackview.editor().session()->begin_reversible_command (_("remove control point"));
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XMLNode &before = alist->get_state();
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if (!rv.audio_region()->envelope_active()) {
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rv.audio_region()->clear_history ();
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rv.audio_region()->set_envelope_active(true);
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trackview.session()->add_command(new StatefulDiffCommand (rv.audio_region()));
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}
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alist->erase (mr.start, mr.end);
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trackview.editor().session()->add_command (new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
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trackview.editor().session()->commit_reversible_command ();
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trackview.editor().session()->set_dirty ();
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}
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void
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AudioRegionGainLine::end_drag ()
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{
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if (!rv.audio_region()->envelope_active()) {
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rv.audio_region()->set_envelope_active(true);
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trackview.session()->add_command(new MementoCommand<AudioRegion>(*(rv.audio_region().get()), 0, &rv.audio_region()->get_state()));
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}
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AutomationLine::end_drag ();
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}
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