2 Copyright (C) 2003 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <ardour/curve.h>
22 #include <ardour/route.h>
24 #include "gain_automation_time_axis.h"
25 #include "automation_line.h"
29 using namespace ARDOUR;
32 GainAutomationTimeAxisView::GainAutomationTimeAxisView (Session& s, Route& r, PublicEditor& e, TimeAxisView& parent, Widget* p, std::string n, ARDOUR::Curve& c)
35 AutomationTimeAxisView (s, r, e, parent, p, n, X_("gain"), ""),
41 GainAutomationTimeAxisView::~GainAutomationTimeAxisView ()
46 GainAutomationTimeAxisView::add_automation_event (GnomeCanvasItem* item, GdkEvent* event, jack_nframes_t when, double y)
50 gnome_canvas_item_w2i (canvas_display, &x, &y);
52 /* compute vertical fractional position */
54 y = 1.0 - (y / height);
58 lines.front()->view_to_model_y (y);
60 _session.begin_reversible_command (_("add gain automation event"));
62 _session.add_undo (curve.get_memento());
64 _session.add_redo_no_execute (curve.get_memento());
65 _session.commit_reversible_command ();
66 _session.set_dirty ();
70 GainAutomationTimeAxisView::set_automation_state (AutoState state)
72 if (!ignore_state_request) {
73 route.set_gain_automation_state (state);