2 Copyright (C) 2002-2003 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.
25 #include "pbd/stl_delete.h"
26 #include "pbd/memento_command.h"
27 #include "pbd/stacktrace.h"
29 #include "ardour/automation_list.h"
30 #include "ardour/dB.h"
31 #include "evoral/Curve.hpp"
33 #include "simplerect.h"
34 #include "automation_line.h"
35 #include "control_point.h"
36 #include "rgb_macros.h"
37 #include "ardour_ui.h"
38 #include "public_editor.h"
40 #include "selection.h"
41 #include "time_axis_view.h"
42 #include "point_selection.h"
43 #include "automation_selectable.h"
44 #include "automation_time_axis.h"
45 #include "public_editor.h"
47 #include "ardour/event_type_map.h"
48 #include "ardour/session.h"
54 using namespace ARDOUR;
56 using namespace Editing;
57 using namespace Gnome; // for Canvas
59 static const Evoral::IdentityConverter<double, sframes_t> default_converter;
61 AutomationLine::AutomationLine (const string& name, TimeAxisView& tv, ArdourCanvas::Group& parent,
62 boost::shared_ptr<AutomationList> al,
63 const Evoral::TimeConverter<double, sframes_t>* converter)
67 , _parent_group (parent)
68 , _time_converter (converter ? (*converter) : default_converter)
70 _interpolation = al->interpolation();
71 points_visible = false;
72 update_pending = false;
73 _uses_gain_mapping = false;
76 terminal_points_can_slide = true;
79 group = new ArdourCanvas::Group (parent);
80 group->property_x() = 0.0;
81 group->property_y() = 0.0;
83 line = new ArdourCanvas::Line (*group);
84 line->property_width_pixels() = (guint)1;
85 line->set_data ("line", this);
87 line->signal_event().connect (mem_fun (*this, &AutomationLine::event_handler));
89 alist->StateChanged.connect (mem_fun(*this, &AutomationLine::list_changed));
91 trackview.session().register_with_memento_command_factory(alist->id(), this);
93 if (alist->parameter().type() == GainAutomation ||
94 alist->parameter().type() == EnvelopeAutomation) {
95 set_uses_gain_mapping (true);
98 set_interpolation(alist->interpolation());
101 AutomationLine::~AutomationLine ()
103 vector_delete (&control_points);
108 AutomationLine::event_handler (GdkEvent* event)
110 return PublicEditor::instance().canvas_line_event (event, line, this);
114 AutomationLine::queue_reset ()
116 if (!update_pending) {
117 update_pending = true;
118 Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &AutomationLine::reset));
123 AutomationLine::show ()
125 if (_interpolation != AutomationList::Discrete) {
129 if (points_visible) {
130 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
139 AutomationLine::hide ()
142 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
149 AutomationLine::control_point_box_size ()
151 if (_interpolation == AutomationList::Discrete) {
152 return max((_height*4.0) / (double)(alist->parameter().max() - alist->parameter().min()),
156 if (_height > TimeAxisView::hLarger) {
158 } else if (_height > (guint32) TimeAxisView::hNormal) {
165 AutomationLine::set_height (guint32 h)
170 double bsz = control_point_box_size();
172 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
173 (*i)->set_size (bsz);
181 AutomationLine::set_line_color (uint32_t color)
184 line->property_fill_color_rgba() = color;
188 AutomationLine::set_uses_gain_mapping (bool yn)
190 if (yn != _uses_gain_mapping) {
191 _uses_gain_mapping = yn;
197 AutomationLine::nth (uint32_t n)
199 if (n < control_points.size()) {
200 return control_points[n];
207 AutomationLine::modify_point_y (ControlPoint& cp, double y)
209 /* clamp y-coord appropriately. y is supposed to be a normalized fraction (0.0-1.0),
210 and needs to be converted to a canvas unit distance.
215 y = _height - (y * _height);
217 double const x = trackview.editor().frame_to_unit (_time_converter.to((*cp.model())->when));
219 trackview.editor().current_session()->begin_reversible_command (_("automation event move"));
220 trackview.editor().current_session()->add_command (new MementoCommand<AutomationList>(*alist.get(), &get_state(), 0));
222 cp.move_to (x, y, ControlPoint::Full);
223 reset_line_coords (cp);
225 if (line_points.size() > 1) {
226 line->property_points() = line_points;
230 sync_model_with_view_point (cp, false, 0);
233 update_pending = false;
235 trackview.editor().current_session()->add_command (new MementoCommand<AutomationList>(*alist.get(), 0, &alist->get_state()));
236 trackview.editor().current_session()->commit_reversible_command ();
237 trackview.editor().current_session()->set_dirty ();
242 AutomationLine::modify_view_point (ControlPoint& cp, double x, double y, bool with_push)
245 uint32_t last_movable = UINT_MAX;
246 double x_limit = DBL_MAX;
248 /* this just changes the current view. it does not alter
249 the model in any way at all.
252 /* clamp y-coord appropriately. y is supposed to be a normalized fraction (0.0-1.0),
253 and needs to be converted to a canvas unit distance.
258 y = _height - (y * _height);
260 if (cp.can_slide()) {
262 /* x-coord cannot move beyond adjacent points or the start/end, and is
263 already in frames. it needs to be converted to canvas units.
266 x = trackview.editor().frame_to_unit (x);
268 /* clamp x position using view coordinates */
270 ControlPoint *before;
273 if (cp.view_index()) {
274 before = nth (cp.view_index() - 1);
275 x = max (x, before->get_x()+1.0);
282 if (cp.view_index() < control_points.size() - 1) {
284 after = nth (cp.view_index() + 1);
286 /*if it is a "spike" leave the x alone */
288 if (after->get_x() - before->get_x() < 2) {
292 x = min (x, after->get_x()-1.0);
302 /* find the first point that can't move */
304 for (uint32_t n = cp.view_index() + 1; (after = nth (n)) != 0; ++n) {
305 if (!after->can_slide()) {
306 x_limit = after->get_x() - 1.0;
307 last_movable = after->view_index();
312 delta = x - cp.get_x();
317 /* leave the x-coordinate alone */
319 x = trackview.editor().frame_to_unit (_time_converter.to((*cp.model())->when));
325 cp.move_to (x, y, ControlPoint::Full);
326 reset_line_coords (cp);
330 uint32_t limit = min (control_points.size(), (size_t)last_movable);
332 /* move the current point to wherever the user told it to go, subject
336 cp.move_to (min (x, x_limit), y, ControlPoint::Full);
337 reset_line_coords (cp);
339 /* now move all subsequent control points, to reflect the motion.
342 for (uint32_t i = cp.view_index() + 1; i < limit; ++i) {
343 ControlPoint *p = nth (i);
346 if (p->can_slide()) {
347 new_x = min (p->get_x() + delta, x_limit);
348 p->move_to (new_x, p->get_y(), ControlPoint::Full);
349 reset_line_coords (*p);
356 AutomationLine::reset_line_coords (ControlPoint& cp)
358 if (cp.view_index() < line_points.size()) {
359 line_points[cp.view_index()].set_x (cp.get_x());
360 line_points[cp.view_index()].set_y (cp.get_y());
365 AutomationLine::sync_model_with_view_line (uint32_t start, uint32_t end)
369 update_pending = true;
371 for (uint32_t i = start; i <= end; ++i) {
373 sync_model_with_view_point (*p, false, 0);
378 AutomationLine::model_representation (ControlPoint& cp, ModelRepresentation& mr)
380 /* part one: find out where the visual control point is.
381 initial results are in canvas units. ask the
382 line to convert them to something relevant.
385 mr.xval = cp.get_x();
386 mr.yval = 1.0 - (cp.get_y() / _height);
388 /* if xval has not changed, set it directly from the model to avoid rounding errors */
390 if (mr.xval == trackview.editor().frame_to_unit(_time_converter.to((*cp.model())->when))) {
391 mr.xval = (*cp.model())->when;
393 mr.xval = trackview.editor().unit_to_frame (mr.xval);
396 /* convert to model units
399 view_to_model_coord (mr.xval, mr.yval);
401 /* part 2: find out where the model point is now
404 mr.xpos = (*cp.model())->when;
405 mr.ypos = (*cp.model())->value;
407 /* part 3: get the position of the visual control
408 points before and after us.
411 ControlPoint* before;
414 if (cp.view_index()) {
415 before = nth (cp.view_index() - 1);
420 after = nth (cp.view_index() + 1);
423 mr.xmin = (*before->model())->when;
424 mr.ymin = (*before->model())->value;
425 mr.start = before->model();
430 mr.start = cp.model();
434 mr.end = after->model();
444 AutomationLine::determine_visible_control_points (ALPoints& points)
446 uint32_t view_index, pi, n;
447 AutomationList::iterator model;
449 double last_control_point_x = 0.0;
450 double last_control_point_y = 0.0;
451 uint32_t this_rx = 0;
452 uint32_t prev_rx = 0;
453 uint32_t this_ry = 0;
454 uint32_t prev_ry = 0;
459 /* hide all existing points, and the line */
463 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
470 if (points.empty()) {
474 npoints = points.size();
476 /* compute derivative/slope for the entire line */
478 slope = new double[npoints];
480 for (n = 0; n < npoints - 1; ++n) {
481 double xdelta = points[n+1].x - points[n].x;
482 double ydelta = points[n+1].y - points[n].y;
483 slope[n] = ydelta/xdelta;
486 box_size = (uint32_t) control_point_box_size ();
488 /* read all points and decide which ones to show as control points */
492 for (model = alist->begin(), pi = 0; pi < npoints; ++model, ++pi) {
494 double tx = points[pi].x;
495 double ty = points[pi].y;
497 if (isnan (tx) || isnan (ty)) {
498 warning << string_compose (_("Ignoring illegal points on AutomationLine \"%1\""),
503 /* now ensure that the control_points vector reflects the current curve
504 state, but don't plot control points too close together. also, don't
505 plot a series of points all with the same value.
507 always plot the first and last points, of course.
510 if (invalid_point (points, pi)) {
511 /* for some reason, we are supposed to ignore this point,
512 but still keep track of the model index.
517 if (pi > 0 && pi < npoints - 1) {
518 if (slope[pi] == slope[pi-1]) {
520 /* no reason to display this point */
526 /* need to round here. the ultimate coordinates are integer
527 pixels, so tiny deltas in the coords will be eliminated
528 and we end up with "colinear" line segments. since the
529 line rendering code in libart doesn't like this very
530 much, we eliminate them here. don't do this for the first and last
534 this_rx = (uint32_t) rint (tx);
535 this_ry = (uint32_t) rint (ty);
537 if (view_index && pi != npoints && /* not the first, not the last */
538 (((this_rx == prev_rx) && (this_ry == prev_ry)) || /* same point */
539 (((this_rx - prev_rx) < (box_size + 2)) && /* not identical, but still too close horizontally */
540 (abs ((int)(this_ry - prev_ry)) < (int) (box_size + 2))))) { /* too close vertically */
544 /* ok, we should display this point */
546 if (view_index >= cpsize) {
548 /* make sure we have enough control points */
550 ControlPoint* ncp = new ControlPoint (*this);
552 ncp->set_size (box_size);
554 control_points.push_back (ncp);
558 ControlPoint::ShapeType shape;
560 if (!terminal_points_can_slide) {
562 control_points[view_index]->set_can_slide(false);
564 shape = ControlPoint::Start;
566 shape = ControlPoint::Full;
568 } else if (pi == npoints - 1) {
569 control_points[view_index]->set_can_slide(false);
570 shape = ControlPoint::End;
572 control_points[view_index]->set_can_slide(true);
573 shape = ControlPoint::Full;
576 control_points[view_index]->set_can_slide(true);
577 shape = ControlPoint::Full;
580 last_control_point_x = tx;
581 last_control_point_y = ty;
583 control_points[view_index]->reset (tx, ty, model, view_index, shape);
588 /* finally, control visibility */
590 if (_visible && points_visible) {
591 control_points[view_index]->show ();
592 control_points[view_index]->set_visible (true);
594 if (!points_visible) {
595 control_points[view_index]->set_visible (false);
602 /* discard extra CP's to avoid confusing ourselves */
604 while (control_points.size() > view_index) {
605 ControlPoint* cp = control_points.back();
606 control_points.pop_back ();
610 if (!terminal_points_can_slide) {
611 control_points.back()->set_can_slide(false);
616 if (view_index > 1) {
618 npoints = view_index;
620 /* reset the line coordinates */
622 while (line_points.size() < npoints) {
623 line_points.push_back (Art::Point (0,0));
626 while (line_points.size() > npoints) {
627 line_points.pop_back ();
630 for (view_index = 0; view_index < npoints; ++view_index) {
631 line_points[view_index].set_x (control_points[view_index]->get_x());
632 line_points[view_index].set_y (control_points[view_index]->get_y());
635 line->property_points() = line_points;
637 if (_visible && _interpolation != AutomationList::Discrete) {
643 set_selected_points (trackview.editor().get_selection().points);
648 AutomationLine::get_verbose_cursor_string (double fraction) const
650 std::string s = fraction_to_string (fraction);
651 if (_uses_gain_mapping) {
659 * @param fraction y fraction
660 * @return string representation of this value, using dB if appropriate.
663 AutomationLine::fraction_to_string (double fraction) const
667 if (_uses_gain_mapping) {
668 if (fraction == 0.0) {
669 snprintf (buf, sizeof (buf), "-inf");
671 snprintf (buf, sizeof (buf), "%.1f", coefficient_to_dB (slider_position_to_gain (fraction)));
675 view_to_model_coord (dummy, fraction);
676 if (EventTypeMap::instance().is_integer (alist->parameter())) {
677 snprintf (buf, sizeof (buf), "%d", (int)fraction);
679 snprintf (buf, sizeof (buf), "%.2f", fraction);
688 * @param s Value string in the form as returned by fraction_to_string.
689 * @return Corresponding y fraction.
692 AutomationLine::string_to_fraction (string const & s) const
699 sscanf (s.c_str(), "%lf", &v);
701 if (_uses_gain_mapping) {
702 v = gain_to_slider_position (dB_to_coefficient (v));
705 model_to_view_coord (dummy, v);
712 AutomationLine::invalid_point (ALPoints& p, uint32_t index)
714 return p[index].x == max_frames && p[index].y == DBL_MAX;
718 AutomationLine::invalidate_point (ALPoints& p, uint32_t index)
720 p[index].x = max_frames;
721 p[index].y = DBL_MAX;
725 AutomationLine::start_drag (ControlPoint* cp, nframes_t x, float fraction)
727 if (trackview.editor().current_session() == 0) { /* how? */
734 str = _("automation event move");
736 str = _("automation range drag");
739 trackview.editor().current_session()->begin_reversible_command (str);
740 trackview.editor().current_session()->add_command (new MementoCommand<AutomationList>(*alist.get(), &get_state(), 0));
744 first_drag_fraction = fraction;
745 last_drag_fraction = fraction;
751 AutomationLine::point_drag (ControlPoint& cp, nframes_t x, float fraction, bool with_push)
754 drag_distance += (x - drag_x);
756 drag_distance -= (drag_x - x);
761 modify_view_point (cp, x, fraction, with_push);
763 if (line_points.size() > 1) {
764 line->property_points() = line_points;
768 did_push = with_push;
772 AutomationLine::line_drag (uint32_t i1, uint32_t i2, float fraction, bool with_push)
774 double ydelta = fraction - last_drag_fraction;
776 did_push = with_push;
778 last_drag_fraction = fraction;
785 for (uint32_t i = i1 ; i <= i2; i++) {
787 modify_view_point (*cp,
788 trackview.editor().unit_to_frame (_time_converter.to(cp->get_x())),
789 ((_height - cp->get_y()) /_height) + ydelta, with_push);
792 if (line_points.size() > 1) {
793 line->property_points() = line_points;
800 AutomationLine::end_drag (ControlPoint* cp)
809 sync_model_with_view_point (*cp, did_push, drag_distance);
811 sync_model_with_view_line (line_drag_cp1, line_drag_cp2);
816 update_pending = false;
818 trackview.editor().current_session()->add_command (new MementoCommand<AutomationList>(*alist.get(), 0, &alist->get_state()));
819 trackview.editor().current_session()->commit_reversible_command ();
820 trackview.editor().current_session()->set_dirty ();
825 AutomationLine::sync_model_with_view_point (ControlPoint& cp, bool did_push, int64_t distance)
827 ModelRepresentation mr;
830 model_representation (cp, mr);
832 /* how much are we changing the central point by */
834 ydelta = mr.yval - mr.ypos;
837 apply the full change to the central point, and interpolate
838 on both axes to cover all model points represented
839 by the control point.
842 /* change all points before the primary point */
844 for (AutomationList::iterator i = mr.start; i != cp.model(); ++i) {
846 double fract = ((*i)->when - mr.xmin) / (mr.xpos - mr.xmin);
847 double y_delta = ydelta * fract;
848 double x_delta = distance * fract;
852 if (y_delta || x_delta) {
853 alist->modify (i, (*i)->when + x_delta, mr.ymin + y_delta);
857 /* change the primary point */
859 update_pending = true;
860 alist->modify (cp.model(), mr.xval, mr.yval);
863 /* change later points */
865 AutomationList::iterator i = cp.model();
869 while (i != mr.end) {
871 double delta = ydelta * (mr.xmax - (*i)->when) / (mr.xmax - mr.xpos);
873 /* all later points move by the same distance along the x-axis as the main point */
876 alist->modify (i, (*i)->when + distance, (*i)->value + delta);
884 /* move all points after the range represented by the view by the same distance
885 as the main point moved.
888 alist->slide (mr.end, drag_distance);
894 AutomationLine::control_points_adjacent (double xval, uint32_t & before, uint32_t& after)
896 ControlPoint *bcp = 0;
897 ControlPoint *acp = 0;
900 unit_xval = trackview.editor().frame_to_unit (xval);
902 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
904 if ((*i)->get_x() <= unit_xval) {
906 if (!bcp || (*i)->get_x() > bcp->get_x()) {
908 before = bcp->view_index();
911 } else if ((*i)->get_x() > unit_xval) {
913 after = acp->view_index();
922 AutomationLine::is_last_point (ControlPoint& cp)
924 ModelRepresentation mr;
926 model_representation (cp, mr);
928 // If the list is not empty, and the point is the last point in the list
930 if (!alist->empty() && mr.end == alist->end()) {
938 AutomationLine::is_first_point (ControlPoint& cp)
940 ModelRepresentation mr;
942 model_representation (cp, mr);
944 // If the list is not empty, and the point is the first point in the list
946 if (!alist->empty() && mr.start == alist->begin()) {
953 // This is copied into AudioRegionGainLine
955 AutomationLine::remove_point (ControlPoint& cp)
957 ModelRepresentation mr;
959 model_representation (cp, mr);
961 trackview.editor().current_session()->begin_reversible_command (_("remove control point"));
962 XMLNode &before = alist->get_state();
964 alist->erase (mr.start, mr.end);
966 trackview.editor().current_session()->add_command(new MementoCommand<AutomationList>(
967 *alist.get(), &before, &alist->get_state()));
968 trackview.editor().current_session()->commit_reversible_command ();
969 trackview.editor().current_session()->set_dirty ();
973 AutomationLine::get_selectables (nframes_t& start, nframes_t& end,
974 double botfrac, double topfrac, list<Selectable*>& results)
981 bool collecting = false;
983 /* Curse X11 and its inverted coordinate system! */
985 bot = (1.0 - topfrac) * _height;
986 top = (1.0 - botfrac) * _height;
991 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
992 double when = (*(*i)->model())->when;
994 if (when >= start && when <= end) {
996 if ((*i)->get_y() >= bot && (*i)->get_y() <= top) {
999 (*i)->set_visible(true);
1001 nstart = min (nstart, when);
1002 nend = max (nend, when);
1008 results.push_back (new AutomationSelectable (nstart, nend, botfrac, topfrac, trackview));
1010 nstart = max_frames;
1018 results.push_back (new AutomationSelectable (nstart, nend, botfrac, topfrac, trackview));
1024 AutomationLine::get_inverted_selectables (Selection&, list<Selectable*>& results)
1030 AutomationLine::set_selected_points (PointSelection& points)
1035 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1036 (*i)->set_selected(false);
1039 if (points.empty()) {
1043 for (PointSelection::iterator r = points.begin(); r != points.end(); ++r) {
1045 if (&(*r).track != &trackview) {
1049 /* Curse X11 and its inverted coordinate system! */
1051 bot = (1.0 - (*r).high_fract) * _height;
1052 top = (1.0 - (*r).low_fract) * _height;
1054 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1056 double rstart, rend;
1058 rstart = trackview.editor().frame_to_unit ((*r).start);
1059 rend = trackview.editor().frame_to_unit ((*r).end);
1061 if ((*i)->get_x() >= rstart && (*i)->get_x() <= rend) {
1063 if ((*i)->get_y() >= bot && (*i)->get_y() <= top) {
1065 (*i)->set_selected(true);
1073 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1074 (*i)->show_color (false, !points_visible);
1079 void AutomationLine::set_colors() {
1080 set_line_color( ARDOUR_UI::config()->canvasvar_AutomationLine.get() );
1081 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1082 (*i)->show_color (false, !points_visible);
1087 AutomationLine::show_selection ()
1089 TimeSelection& time (trackview.editor().get_selection().time);
1091 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1093 (*i)->set_selected(false);
1095 for (list<AudioRange>::iterator r = time.begin(); r != time.end(); ++r) {
1096 double rstart, rend;
1098 rstart = trackview.editor().frame_to_unit ((*r).start);
1099 rend = trackview.editor().frame_to_unit ((*r).end);
1101 if ((*i)->get_x() >= rstart && (*i)->get_x() <= rend) {
1102 (*i)->set_selected(true);
1107 (*i)->show_color (false, !points_visible);
1112 AutomationLine::hide_selection ()
1114 // show_selection ();
1118 AutomationLine::list_changed ()
1124 AutomationLine::reset_callback (const Evoral::ControlList& events)
1126 ALPoints tmp_points;
1127 uint32_t npoints = events.size();
1130 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1133 control_points.clear ();
1138 AutomationList::const_iterator ai;
1140 for (ai = events.begin(); ai != events.end(); ++ai) {
1142 double translated_x = (*ai)->when;
1143 double translated_y = (*ai)->value;
1144 model_to_view_coord (translated_x, translated_y);
1146 add_model_point (tmp_points, (*ai)->when, translated_y);
1149 determine_visible_control_points (tmp_points);
1154 AutomationLine::add_model_point (ALPoints& tmp_points, double frame, double yfract)
1156 tmp_points.push_back (ALPoint (trackview.editor().frame_to_unit (_time_converter.to(frame)),
1157 _height - (yfract * _height)));
1161 AutomationLine::reset ()
1163 update_pending = false;
1169 alist->apply_to_points (*this, &AutomationLine::reset_callback);
1173 AutomationLine::clear ()
1175 /* parent must create command */
1176 XMLNode &before = get_state();
1178 trackview.editor().current_session()->add_command (
1179 new MementoCommand<AutomationLine>(*this, &before, &get_state()));
1180 trackview.editor().current_session()->commit_reversible_command ();
1181 trackview.editor().current_session()->set_dirty ();
1185 AutomationLine::change_model (AutomationList::iterator i, double x, double y)
1190 AutomationLine::set_list(boost::shared_ptr<ARDOUR::AutomationList> list)
1197 AutomationLine::show_all_control_points ()
1199 points_visible = true;
1201 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1202 (*i)->show_color((_interpolation != AutomationList::Discrete), false);
1204 (*i)->set_visible (true);
1209 AutomationLine::hide_all_but_selected_control_points ()
1211 if (alist->interpolation() == AutomationList::Discrete) {
1215 points_visible = false;
1217 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1218 if (!(*i)->selected()) {
1219 (*i)->set_visible (false);
1225 AutomationLine::track_entered()
1227 if (alist->interpolation() != AutomationList::Discrete) {
1228 show_all_control_points();
1233 AutomationLine::track_exited()
1235 if (alist->interpolation() != AutomationList::Discrete) {
1236 hide_all_but_selected_control_points();
1241 AutomationLine::get_state (void)
1243 /* function as a proxy for the model */
1244 return alist->get_state();
1248 AutomationLine::set_state (const XMLNode &node)
1250 /* function as a proxy for the model */
1251 return alist->set_state (node);
1255 AutomationLine::view_to_model_coord (double& x, double& y) const
1257 /* TODO: This should be more generic ... */
1258 if (alist->parameter().type() == GainAutomation ||
1259 alist->parameter().type() == EnvelopeAutomation) {
1260 y = slider_position_to_gain (y);
1263 } else if (alist->parameter().type() == PanAutomation) {
1264 // vertical coordinate axis reversal
1266 } else if (alist->parameter().type() == PluginAutomation) {
1267 y = y * (double)(alist->get_max_y()- alist->get_min_y()) + alist->get_min_y();
1269 y = (int)(y * alist->parameter().max());
1272 x = _time_converter.from(x);
1276 AutomationLine::model_to_view_coord (double& x, double& y) const
1278 /* TODO: This should be more generic ... */
1279 if (alist->parameter().type() == GainAutomation ||
1280 alist->parameter().type() == EnvelopeAutomation) {
1281 y = gain_to_slider_position (y);
1282 } else if (alist->parameter().type() == PanAutomation) {
1283 // vertical coordinate axis reversal
1285 } else if (alist->parameter().type() == PluginAutomation) {
1286 y = (y - alist->get_min_y()) / (double)(alist->get_max_y()- alist->get_min_y());
1288 y = y / (double)alist->parameter().max(); /* ... like this */
1291 x = _time_converter.to(x);
1296 AutomationLine::set_interpolation(AutomationList::InterpolationStyle style)
1298 _interpolation = style;
1300 if (style == AutomationList::Discrete) {
1301 show_all_control_points();
1304 hide_all_but_selected_control_points();