79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
/*
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Copyright (C) 2003 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 <ardour/curve.h>
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#include <ardour/route.h>
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#include <pbd/memento_command.h>
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#include "gain_automation_time_axis.h"
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#include "automation_line.h"
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#include "canvas.h"
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Gtk;
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GainAutomationTimeAxisView::GainAutomationTimeAxisView (Session& s, boost::shared_ptr<Route> r,
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PublicEditor& e, TimeAxisView& parent,
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ArdourCanvas::Canvas& canvas, const string & n, ARDOUR::Curve& c)
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: AxisView (s),
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AutomationTimeAxisView (s, r, e, parent, canvas, n, X_("gain"), ""),
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curve (c)
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{
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}
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GainAutomationTimeAxisView::~GainAutomationTimeAxisView ()
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{
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}
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void
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GainAutomationTimeAxisView::add_automation_event (ArdourCanvas::Item* item, GdkEvent* event, nframes_t when, double y)
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{
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double x = 0;
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canvas_display->w2i (x, y);
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/* compute vertical fractional position */
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y = 1.0 - (y / height);
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/* map using line */
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lines.front()->view_to_model_y (y);
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_session.begin_reversible_command (_("add gain automation event"));
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XMLNode& before = curve.get_state();
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curve.add (when, y);
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XMLNode& after = curve.get_state();
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_session.commit_reversible_command (new MementoCommand<ARDOUR::Curve>(curve, &before, &after));
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_session.set_dirty ();
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}
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void
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GainAutomationTimeAxisView::set_automation_state (AutoState state)
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{
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if (!ignore_state_request) {
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route->set_gain_automation_state (state);
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}
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}
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