Paul Davis
754230921d
Position is a part of a length property (a duple specifying "duration AT position", and there is no distinct property for just the position itself
124 lines
4.0 KiB
C++
124 lines
4.0 KiB
C++
/*
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* Copyright (C) 2005-2016 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2005 Karsten Wiese <fzuuzf@googlemail.com>
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* Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
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* Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
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* Copyright (C) 2008-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2014-2015 Nick Mainsbridge <mainsbridge@gmail.com>
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* Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "evoral/Curve.h"
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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 "control_point.h"
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#include "region_gain_line.h"
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#include "audio_region_view.h"
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#include "time_axis_view.h"
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#include "editor.h"
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#include "gui_thread.h"
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#include "pbd/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::Container& parent, boost::shared_ptr<AutomationList> l)
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: AutomationLine (name, r.get_time_axis_view(), parent, l, l->parameter())
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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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r.region()->PropertyChanged.connect (_region_changed_connection, invalidator (*this), boost::bind (&AudioRegionGainLine::region_changed, this, _1), gui_context());
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group->raise_to_top ();
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group->set_y_position (2);
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terminal_points_can_slide = false;
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}
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timepos_t
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AudioRegionGainLine::get_origin() const
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{
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return rv.region()->position();
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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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trackview.editor().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_changes ();
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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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trackview.editor ().get_selection ().clear_points ();
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alist->erase (cp.model());
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trackview.editor().session()->add_command (new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
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trackview.editor().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 (bool with_push, uint32_t final_index)
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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 (with_push, final_index);
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}
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void
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AudioRegionGainLine::region_changed (const PropertyChange& what_changed)
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{
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PropertyChange interesting_stuff;
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interesting_stuff.add (ARDOUR::Properties::start);
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interesting_stuff.add (ARDOUR::Properties::length);
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if (what_changed.contains (interesting_stuff)) {
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reset ();
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}
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}
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