1 #include <ardour/curve.h>
2 #include <ardour/audioregion.h>
3 #include <pbd/memento_command.h>
5 #include "region_gain_line.h"
6 #include "audio_region_view.h"
9 #include "time_axis_view.h"
12 #include <ardour/session.h>
19 using namespace ARDOUR;
22 AudioRegionGainLine::AudioRegionGainLine (const string & name, Session& s, AudioRegionView& r, ArdourCanvas::Group& parent, Curve& c)
23 : AutomationLine (name, r.get_time_axis_view(), parent, c),
27 group->raise_to_top ();
28 set_verbose_cursor_uses_gain_mapping (true);
29 terminal_points_can_slide = false;
33 AudioRegionGainLine::view_to_model_y (double& y)
35 y = slider_position_to_gain (y);
41 AudioRegionGainLine::model_to_view_y (double& y)
43 y = gain_to_slider_position (y);
47 AudioRegionGainLine::start_drag (ControlPoint* cp, float fraction)
49 AutomationLine::start_drag(cp,fraction);
50 if (!rv.audio_region()->envelope_active()) {
51 trackview.session().add_command(new MementoCommand<AudioRegion>(*(rv.audio_region().get()), &rv.audio_region()->get_state(), 0));
52 rv.audio_region()->set_envelope_active(false);
56 // This is an extended copy from AutomationList
58 AudioRegionGainLine::remove_point (ControlPoint& cp)
60 ModelRepresentation mr;
62 model_representation (cp, mr);
64 trackview.editor.current_session()->begin_reversible_command (_("remove control point"));
65 XMLNode &before = alist.get_state();
67 if (!rv.audio_region()->envelope_active()) {
68 XMLNode ®ion_before = rv.audio_region()->get_state();
69 rv.audio_region()->set_envelope_active(true);
70 XMLNode ®ion_after = rv.audio_region()->get_state();
71 trackview.session().add_command(new MementoCommand<AudioRegion>(*(rv.audio_region().get()), ®ion_before, ®ion_after));
74 alist.erase (mr.start, mr.end);
76 trackview.editor.current_session()->add_command (new MementoCommand<AutomationList>(alist, &before, &alist.get_state()));
77 trackview.editor.current_session()->commit_reversible_command ();
78 trackview.editor.current_session()->set_dirty ();
82 AudioRegionGainLine::end_drag (ControlPoint* cp)
84 if (!rv.audio_region()->envelope_active()) {
85 rv.audio_region()->set_envelope_active(true);
86 trackview.session().add_command(new MementoCommand<AudioRegion>(*(rv.audio_region().get()), 0, &rv.audio_region()->get_state()));
89 AutomationLine::end_drag(cp);