2 Copyright (C) 2000-2007 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.
20 #include <ardour/curve.h>
21 #include <ardour/audioregion.h>
22 #include <pbd/memento_command.h>
24 #include "region_gain_line.h"
25 #include "audio_region_view.h"
28 #include "time_axis_view.h"
31 #include <ardour/session.h>
38 using namespace ARDOUR
;
41 AudioRegionGainLine::AudioRegionGainLine (const string
& name
, Session
& s
, AudioRegionView
& r
, ArdourCanvas::Group
& parent
, Curve
& c
)
42 : AutomationLine (name
, r
.get_time_axis_view(), parent
, c
),
46 group
->raise_to_top ();
47 group
->property_y() = 2;
48 set_verbose_cursor_uses_gain_mapping (true);
49 terminal_points_can_slide
= false;
53 AudioRegionGainLine::view_to_model_y (double& y
)
55 y
= slider_position_to_gain (y
);
61 AudioRegionGainLine::model_to_view_y (double& y
)
65 y
= gain_to_slider_position (y
);
69 AudioRegionGainLine::start_drag (ControlPoint
* cp
, nframes_t x
, float fraction
)
71 AutomationLine::start_drag (cp
, x
, fraction
);
72 if (!rv
.audio_region()->envelope_active()) {
73 trackview
.session().add_command(new MementoCommand
<AudioRegion
>(*(rv
.audio_region().get()), &rv
.audio_region()->get_state(), 0));
74 rv
.audio_region()->set_envelope_active(false);
78 // This is an extended copy from AutomationList
80 AudioRegionGainLine::remove_point (ControlPoint
& cp
)
82 ModelRepresentation mr
;
84 model_representation (cp
, mr
);
86 trackview
.editor
.current_session()->begin_reversible_command (_("remove control point"));
87 XMLNode
&before
= alist
.get_state();
89 if (!rv
.audio_region()->envelope_active()) {
90 XMLNode
®ion_before
= rv
.audio_region()->get_state();
91 rv
.audio_region()->set_envelope_active(true);
92 XMLNode
®ion_after
= rv
.audio_region()->get_state();
93 trackview
.session().add_command(new MementoCommand
<AudioRegion
>(*(rv
.audio_region().get()), ®ion_before
, ®ion_after
));
96 alist
.erase (mr
.start
, mr
.end
);
98 trackview
.editor
.current_session()->add_command (new MementoCommand
<AutomationList
>(alist
, &before
, &alist
.get_state()));
99 trackview
.editor
.current_session()->commit_reversible_command ();
100 trackview
.editor
.current_session()->set_dirty ();
104 AudioRegionGainLine::end_drag (ControlPoint
* cp
)
106 if (!rv
.audio_region()->envelope_active()) {
107 rv
.audio_region()->set_envelope_active(true);
108 trackview
.session().add_command(new MementoCommand
<AudioRegion
>(*(rv
.audio_region().get()), 0, &rv
.audio_region()->get_state()));
111 AutomationLine::end_drag(cp
);