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_event.h>
30 #include <ardour/curve.h>
31 #include <ardour/dB.h>
33 #include "simplerect.h"
34 #include "automation_line.h"
35 #include "rgb_macros.h"
36 #include "ardour_ui.h"
37 #include "public_editor.h"
39 #include "selection.h"
40 #include "time_axis_view.h"
41 #include "point_selection.h"
42 #include "automation_selectable.h"
43 #include "automation_time_axis.h"
44 #include "public_editor.h"
46 #include <ardour/session.h>
52 using namespace ARDOUR;
54 using namespace Editing;
55 using namespace Gnome; // for Canvas
57 ControlPoint::ControlPoint (AutomationLine& al)
60 model = al.the_list().end();
69 item = new Canvas::SimpleRect (line.canvas_group());
70 item->property_draw() = true;
71 item->property_fill() = false;
72 item->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ControlPointFill.get();
73 item->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ControlPointOutline.get();
74 item->property_outline_pixels() = 1;
75 item->set_data ("control_point", this);
76 item->signal_event().connect (mem_fun (this, &ControlPoint::event_handler));
82 ControlPoint::ControlPoint (const ControlPoint& other, bool dummy_arg_to_force_special_copy_constructor)
90 view_index = other.view_index;
91 can_slide = other.can_slide;
94 _shape = other._shape;
98 item = new Canvas::SimpleRect (line.canvas_group());
99 item->property_fill() = false;
100 item->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_EnteredControlPointOutline.get();
101 item->property_outline_pixels() = 1;
103 /* NOTE: no event handling in copied ControlPoints */
109 ControlPoint::~ControlPoint ()
115 ControlPoint::event_handler (GdkEvent* event)
117 return PublicEditor::instance().canvas_control_point_event (event, item, this);
121 ControlPoint::hide ()
133 ControlPoint::set_visible (bool yn)
135 item->property_draw() = (gboolean) yn;
139 ControlPoint::reset (double x, double y, AutomationList::iterator mi, uint32_t vi, ShapeType shape)
143 move_to (x, y, shape);
147 ControlPoint::show_color (bool entered, bool hide_too)
151 item->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_EnteredControlPointSelected.get();
154 item->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_EnteredControlPoint.get();
162 item->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ControlPointSelected.get();
165 item->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ControlPoint.get();
174 ControlPoint::set_size (double sz)
180 item->property_fill() = (gboolean) TRUE;
182 item->property_fill() = (gboolean) FALSE;
186 move_to (_x, _y, _shape);
190 ControlPoint::move_to (double x, double y, ShapeType shape)
194 double half_size = rint(_size/2.0);
211 item->property_x1() = x1;
212 item->property_x2() = x2;
213 item->property_y1() = y - half_size;
214 item->property_y2() = y + half_size;
223 AutomationLine::AutomationLine (const string & name, TimeAxisView& tv, ArdourCanvas::Group& parent, AutomationList& al)
227 _parent_group (parent)
229 points_visible = false;
230 update_pending = false;
231 _vc_uses_gain_mapping = false;
234 terminal_points_can_slide = true;
237 group = new ArdourCanvas::Group (parent);
238 group->property_x() = 0.0;
239 group->property_y() = 0.0;
241 line = new ArdourCanvas::Line (*group);
242 line->property_width_pixels() = (guint)1;
243 line->set_data ("line", this);
245 line->signal_event().connect (mem_fun (*this, &AutomationLine::event_handler));
247 alist.StateChanged.connect (mem_fun(*this, &AutomationLine::list_changed));
249 trackview.session().register_with_memento_command_factory(alist.id(), this);
253 AutomationLine::~AutomationLine ()
255 vector_delete (&control_points);
260 AutomationLine::event_handler (GdkEvent* event)
262 return PublicEditor::instance().canvas_line_event (event, line, this);
266 AutomationLine::queue_reset ()
268 if (!update_pending) {
269 update_pending = true;
270 Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &AutomationLine::reset));
275 AutomationLine::show ()
279 if (points_visible) {
280 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
289 AutomationLine::hide ()
292 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
299 AutomationLine::control_point_box_size ()
301 if (_height > TimeAxisView::hLarger) {
303 } else if (_height > (guint32) TimeAxisView::hNormal) {
310 AutomationLine::set_height (guint32 h)
315 double bsz = control_point_box_size();
317 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
318 (*i)->set_size (bsz);
326 AutomationLine::set_line_color (uint32_t color)
329 line->property_fill_color_rgba() = color;
333 AutomationLine::set_verbose_cursor_uses_gain_mapping (bool yn)
335 if (yn != _vc_uses_gain_mapping) {
336 _vc_uses_gain_mapping = yn;
342 AutomationLine::nth (uint32_t n)
344 if (n < control_points.size()) {
345 return control_points[n];
352 AutomationLine::modify_view_point (ControlPoint& cp, double x, double y, bool with_push)
355 uint32_t last_movable = UINT_MAX;
356 double x_limit = DBL_MAX;
358 /* this just changes the current view. it does not alter
359 the model in any way at all.
362 /* clamp y-coord appropriately. y is supposed to be a normalized fraction (0.0-1.0),
363 and needs to be converted to a canvas unit distance.
368 y = _height - (y * _height);
372 /* x-coord cannot move beyond adjacent points or the start/end, and is
373 already in frames. it needs to be converted to canvas units.
376 x = trackview.editor.frame_to_unit (x);
378 /* clamp x position using view coordinates */
380 ControlPoint *before;
384 before = nth (cp.view_index - 1);
385 x = max (x, before->get_x()+1.0);
392 if (cp.view_index < control_points.size() - 1) {
394 after = nth (cp.view_index + 1);
396 /*if it is a "spike" leave the x alone */
398 if (after->get_x() - before->get_x() < 2) {
402 x = min (x, after->get_x()-1.0);
412 /* find the first point that can't move */
414 for (uint32_t n = cp.view_index + 1; (after = nth (n)) != 0; ++n) {
415 if (!after->can_slide) {
416 x_limit = after->get_x() - 1.0;
417 last_movable = after->view_index;
422 delta = x - cp.get_x();
427 /* leave the x-coordinate alone */
429 x = trackview.editor.frame_to_unit ((*cp.model)->when);
435 cp.move_to (x, y, ControlPoint::Full);
436 reset_line_coords (cp);
440 uint32_t limit = min (control_points.size(), (size_t)last_movable);
442 /* move the current point to wherever the user told it to go, subject
446 cp.move_to (min (x, x_limit), y, ControlPoint::Full);
447 reset_line_coords (cp);
449 /* now move all subsequent control points, to reflect the motion.
452 for (uint32_t i = cp.view_index + 1; i < limit; ++i) {
453 ControlPoint *p = nth (i);
457 new_x = min (p->get_x() + delta, x_limit);
458 p->move_to (new_x, p->get_y(), ControlPoint::Full);
459 reset_line_coords (*p);
466 AutomationLine::reset_line_coords (ControlPoint& cp)
468 if (cp.view_index < line_points.size()) {
469 line_points[cp.view_index].set_x (cp.get_x());
470 line_points[cp.view_index].set_y (cp.get_y());
475 AutomationLine::sync_model_with_view_line (uint32_t start, uint32_t end)
480 update_pending = true;
482 for (uint32_t i = start; i <= end; ++i) {
484 sync_model_with_view_point (*p, false, 0);
489 AutomationLine::model_representation (ControlPoint& cp, ModelRepresentation& mr)
491 /* part one: find out where the visual control point is.
492 initial results are in canvas units. ask the
493 line to convert them to something relevant.
496 mr.xval = (nframes_t) floor (cp.get_x());
497 mr.yval = 1.0 - (cp.get_y() / _height);
499 /* if xval has not changed, set it directly from the model to avoid rounding errors */
501 if (mr.xval == trackview.editor.frame_to_unit((*cp.model)->when)) {
502 mr.xval = (nframes_t) (*cp.model)->when;
504 mr.xval = trackview.editor.unit_to_frame (mr.xval);
507 /* virtual call: this will do the right thing
508 for whatever particular type of line we are.
511 view_to_model_y (mr.yval);
513 /* part 2: find out where the model point is now
516 mr.xpos = (nframes_t) (*cp.model)->when;
517 mr.ypos = (*cp.model)->value;
519 /* part 3: get the position of the visual control
520 points before and after us.
523 ControlPoint* before;
527 before = nth (cp.view_index - 1);
532 after = nth (cp.view_index + 1);
535 mr.xmin = (nframes_t) (*before->model)->when;
536 mr.ymin = (*before->model)->value;
537 mr.start = before->model;
546 mr.end = after->model;
556 AutomationLine::determine_visible_control_points (ALPoints& points)
558 uint32_t view_index, pi, n;
559 AutomationList::iterator model;
561 double last_control_point_x = 0.0;
562 double last_control_point_y = 0.0;
563 uint32_t this_rx = 0;
564 uint32_t prev_rx = 0;
565 uint32_t this_ry = 0;
566 uint32_t prev_ry = 0;
571 /* hide all existing points, and the line */
575 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
582 if (points.empty()) {
586 npoints = points.size();
588 /* compute derivative/slope for the entire line */
590 slope = new double[npoints];
592 for (n = 0; n < npoints - 1; ++n) {
593 double xdelta = points[n+1].x - points[n].x;
594 double ydelta = points[n+1].y - points[n].y;
595 slope[n] = ydelta/xdelta;
598 box_size = (uint32_t) control_point_box_size ();
600 /* read all points and decide which ones to show as control points */
604 for (model = alist.begin(), pi = 0; pi < npoints; ++model, ++pi) {
606 double tx = points[pi].x;
607 double ty = points[pi].y;
609 if (isnan (tx) || isnan (ty)) {
610 warning << string_compose (_("Ignoring illegal points on AutomationLine \"%1\""),
615 /* now ensure that the control_points vector reflects the current curve
616 state, but don't plot control points too close together. also, don't
617 plot a series of points all with the same value.
619 always plot the first and last points, of course.
622 if (invalid_point (points, pi)) {
623 /* for some reason, we are supposed to ignore this point,
624 but still keep track of the model index.
629 if (pi > 0 && pi < npoints - 1) {
630 if (slope[pi] == slope[pi-1]) {
632 /* no reason to display this point */
638 /* need to round here. the ultimate coordinates are integer
639 pixels, so tiny deltas in the coords will be eliminated
640 and we end up with "colinear" line segments. since the
641 line rendering code in libart doesn't like this very
642 much, we eliminate them here. don't do this for the first and last
646 this_rx = (uint32_t) rint (tx);
647 this_ry = (uint32_t) rint (ty);
649 if (view_index && pi != npoints && /* not the first, not the last */
650 (((this_rx == prev_rx) && (this_ry == prev_ry)) || /* same point */
651 (((this_rx - prev_rx) < (box_size + 2)) && /* not identical, but still too close horizontally */
652 (abs ((int)(this_ry - prev_ry)) < (int) (box_size + 2))))) { /* too close vertically */
656 /* ok, we should display this point */
658 if (view_index >= cpsize) {
660 /* make sure we have enough control points */
662 ControlPoint* ncp = new ControlPoint (*this);
664 ncp->set_size (box_size);
666 control_points.push_back (ncp);
670 ControlPoint::ShapeType shape;
672 if (!terminal_points_can_slide) {
674 control_points[view_index]->can_slide = false;
676 shape = ControlPoint::Start;
678 shape = ControlPoint::Full;
680 } else if (pi == npoints - 1) {
681 control_points[view_index]->can_slide = false;
682 shape = ControlPoint::End;
684 control_points[view_index]->can_slide = true;
685 shape = ControlPoint::Full;
688 control_points[view_index]->can_slide = true;
689 shape = ControlPoint::Full;
692 last_control_point_x = tx;
693 last_control_point_y = ty;
695 control_points[view_index]->reset (tx, ty, model, view_index, shape);
700 /* finally, control visibility */
702 if (_visible && points_visible) {
703 control_points[view_index]->show ();
704 control_points[view_index]->set_visible (true);
706 if (!points_visible) {
707 control_points[view_index]->set_visible (false);
714 /* discard extra CP's to avoid confusing ourselves */
716 while (control_points.size() > view_index) {
717 ControlPoint* cp = control_points.back();
718 control_points.pop_back ();
722 if (!terminal_points_can_slide) {
723 control_points.back()->can_slide = false;
728 if (view_index > 1) {
730 npoints = view_index;
732 /* reset the line coordinates */
734 while (line_points.size() < npoints) {
735 line_points.push_back (Art::Point (0,0));
738 while (line_points.size() > npoints) {
739 line_points.pop_back ();
742 for (view_index = 0; view_index < npoints; ++view_index) {
743 line_points[view_index].set_x (control_points[view_index]->get_x());
744 line_points[view_index].set_y (control_points[view_index]->get_y());
747 line->property_points() = line_points;
755 set_selected_points (trackview.editor.get_selection().points);
760 AutomationLine::get_verbose_cursor_string (float fraction)
764 if (_vc_uses_gain_mapping) {
765 if (fraction == 0.0) {
766 snprintf (buf, sizeof (buf), "-inf dB");
768 cerr << "from fraction " << fraction << " derived ";
769 cerr << coefficient_to_dB (slider_position_to_gain (fraction));
770 snprintf (buf, sizeof (buf), "%.1fdB", coefficient_to_dB (slider_position_to_gain (fraction)));
771 cerr << " which prints as " << buf << endl;
774 snprintf (buf, sizeof (buf), "%.2f", fraction);
781 AutomationLine::invalid_point (ALPoints& p, uint32_t index)
783 return p[index].x == max_frames && p[index].y == DBL_MAX;
787 AutomationLine::invalidate_point (ALPoints& p, uint32_t index)
789 p[index].x = max_frames;
790 p[index].y = DBL_MAX;
794 AutomationLine::start_drag (ControlPoint* cp, nframes_t x, float fraction)
796 if (trackview.editor.current_session() == 0) { /* how? */
803 str = _("automation event move");
805 str = _("automation range drag");
808 trackview.editor.current_session()->begin_reversible_command (str);
809 trackview.editor.current_session()->add_command (new MementoCommand<AutomationList>(alist, &get_state(), 0));
813 first_drag_fraction = fraction;
814 last_drag_fraction = fraction;
820 AutomationLine::point_drag (ControlPoint& cp, nframes_t x, float fraction, bool with_push)
823 drag_distance += (x - drag_x);
825 drag_distance -= (drag_x - x);
830 modify_view_point (cp, x, fraction, with_push);
832 if (line_points.size() > 1) {
833 line->property_points() = line_points;
837 did_push = with_push;
841 AutomationLine::line_drag (uint32_t i1, uint32_t i2, float fraction, bool with_push)
843 double ydelta = fraction - last_drag_fraction;
845 did_push = with_push;
847 last_drag_fraction = fraction;
854 for (uint32_t i = i1 ; i <= i2; i++) {
856 modify_view_point (*cp, trackview.editor.unit_to_frame (cp->get_x()), ((_height - cp->get_y()) /_height) + ydelta, with_push);
859 if (line_points.size() > 1) {
860 line->property_points() = line_points;
867 AutomationLine::end_drag (ControlPoint* cp)
876 sync_model_with_view_point (*cp, did_push, drag_distance);
878 sync_model_with_view_line (line_drag_cp1, line_drag_cp2);
883 update_pending = false;
885 trackview.editor.current_session()->add_command (new MementoCommand<AutomationList>(alist, 0, &alist.get_state()));
886 trackview.editor.current_session()->commit_reversible_command ();
887 trackview.editor.current_session()->set_dirty ();
892 AutomationLine::sync_model_with_view_point (ControlPoint& cp, bool did_push, int64_t distance)
894 ModelRepresentation mr;
897 model_representation (cp, mr);
899 /* how much are we changing the central point by */
901 ydelta = mr.yval - mr.ypos;
904 apply the full change to the central point, and interpolate
905 on both axes to cover all model points represented
906 by the control point.
909 /* change all points before the primary point */
911 for (AutomationList::iterator i = mr.start; i != cp.model; ++i) {
913 double fract = ((*i)->when - mr.xmin) / (mr.xpos - mr.xmin);
914 double y_delta = ydelta * fract;
915 double x_delta = distance * fract;
919 if (y_delta || x_delta) {
920 alist.modify (i, (*i)->when + x_delta, mr.ymin + y_delta);
924 /* change the primary point */
926 update_pending = true;
927 alist.modify (cp.model, mr.xval, mr.yval);
930 /* change later points */
932 AutomationList::iterator i = cp.model;
936 while (i != mr.end) {
938 double delta = ydelta * (mr.xmax - (*i)->when) / (mr.xmax - mr.xpos);
940 /* all later points move by the same distance along the x-axis as the main point */
943 alist.modify (i, (*i)->when + distance, (*i)->value + delta);
951 /* move all points after the range represented by the view by the same distance
952 as the main point moved.
955 alist.slide (mr.end, drag_distance);
961 AutomationLine::control_points_adjacent (double xval, uint32_t & before, uint32_t& after)
963 ControlPoint *bcp = 0;
964 ControlPoint *acp = 0;
967 /* xval is in frames */
969 unit_xval = trackview.editor.frame_to_unit (xval);
971 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
973 if ((*i)->get_x() <= unit_xval) {
975 if (!bcp || (*i)->get_x() > bcp->get_x()) {
977 before = bcp->view_index;
980 } else if ((*i)->get_x() > unit_xval) {
982 after = acp->view_index;
991 AutomationLine::is_last_point (ControlPoint& cp)
993 ModelRepresentation mr;
995 model_representation (cp, mr);
997 // If the list is not empty, and the point is the last point in the list
999 if (!alist.empty() && mr.end == alist.end()) {
1007 AutomationLine::is_first_point (ControlPoint& cp)
1009 ModelRepresentation mr;
1011 model_representation (cp, mr);
1013 // If the list is not empty, and the point is the first point in the list
1015 if (!alist.empty() && mr.start == alist.begin()) {
1022 // This is copied into AudioRegionGainLine
1024 AutomationLine::remove_point (ControlPoint& cp)
1026 ModelRepresentation mr;
1028 model_representation (cp, mr);
1030 trackview.editor.current_session()->begin_reversible_command (_("remove control point"));
1031 XMLNode &before = alist.get_state();
1033 alist.erase (mr.start, mr.end);
1035 trackview.editor.current_session()->add_command(new MementoCommand<AutomationList>(alist, &before, &alist.get_state()));
1036 trackview.editor.current_session()->commit_reversible_command ();
1037 trackview.editor.current_session()->set_dirty ();
1041 AutomationLine::get_selectables (nframes_t& start, nframes_t& end,
1042 double botfrac, double topfrac, list<Selectable*>& results)
1049 bool collecting = false;
1051 /* Curse X11 and its inverted coordinate system! */
1053 bot = (1.0 - topfrac) * _height;
1054 top = (1.0 - botfrac) * _height;
1056 nstart = max_frames;
1059 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1061 nframes_t when = (nframes_t) (*(*i)->model)->when;
1063 if (when >= start && when <= end) {
1065 if ((*i)->get_y() >= bot && (*i)->get_y() <= top) {
1068 (*i)->set_visible(true);
1070 nstart = min (nstart, when);
1071 nend = max (nend, when);
1077 results.push_back (new AutomationSelectable (nstart, nend, botfrac, topfrac, trackview));
1079 nstart = max_frames;
1087 results.push_back (new AutomationSelectable (nstart, nend, botfrac, topfrac, trackview));
1093 AutomationLine::get_inverted_selectables (Selection&, list<Selectable*>& results)
1099 AutomationLine::set_selected_points (PointSelection& points)
1104 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1105 (*i)->selected = false;
1108 if (points.empty()) {
1112 for (PointSelection::iterator r = points.begin(); r != points.end(); ++r) {
1114 if (&(*r).track != &trackview) {
1118 /* Curse X11 and its inverted coordinate system! */
1120 bot = (1.0 - (*r).high_fract) * _height;
1121 top = (1.0 - (*r).low_fract) * _height;
1123 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1125 double rstart, rend;
1127 rstart = trackview.editor.frame_to_unit ((*r).start);
1128 rend = trackview.editor.frame_to_unit ((*r).end);
1130 if ((*i)->get_x() >= rstart && (*i)->get_x() <= rend) {
1132 if ((*i)->get_y() >= bot && (*i)->get_y() <= top) {
1134 (*i)->selected = true;
1142 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1143 (*i)->show_color (false, !points_visible);
1148 void AutomationLine::set_colors() {
1149 set_line_color( ARDOUR_UI::config()->canvasvar_AutomationLine.get() );
1150 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1151 (*i)->show_color (false, !points_visible);
1156 AutomationLine::show_selection ()
1158 TimeSelection& time (trackview.editor.get_selection().time);
1160 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1162 (*i)->selected = false;
1164 for (list<AudioRange>::iterator r = time.begin(); r != time.end(); ++r) {
1165 double rstart, rend;
1167 rstart = trackview.editor.frame_to_unit ((*r).start);
1168 rend = trackview.editor.frame_to_unit ((*r).end);
1170 if ((*i)->get_x() >= rstart && (*i)->get_x() <= rend) {
1171 (*i)->selected = true;
1176 (*i)->show_color (false, !points_visible);
1181 AutomationLine::hide_selection ()
1183 // show_selection ();
1187 AutomationLine::list_changed ()
1193 AutomationLine::reset_callback (const AutomationList& events)
1195 ALPoints tmp_points;
1196 uint32_t npoints = events.size();
1199 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1202 control_points.clear ();
1207 AutomationList::const_iterator ai;
1209 for (ai = events.const_begin(); ai != events.const_end(); ++ai) {
1211 double translated_y = (*ai)->value;
1212 model_to_view_y (translated_y);
1214 add_model_point (tmp_points, (*ai)->when, translated_y);
1217 determine_visible_control_points (tmp_points);
1221 AutomationLine::add_model_point (ALPoints& tmp_points, double frame, double yfract)
1223 tmp_points.push_back (ALPoint (trackview.editor.frame_to_unit (frame),
1224 _height - (yfract * _height)));
1228 AutomationLine::reset ()
1230 update_pending = false;
1236 alist.apply_to_points (*this, &AutomationLine::reset_callback);
1240 AutomationLine::clear ()
1242 /* parent must create command */
1243 XMLNode &before = get_state();
1245 trackview.editor.current_session()->add_command (new MementoCommand<AutomationLine>(*this, &before, &get_state()));
1246 trackview.editor.current_session()->commit_reversible_command ();
1247 trackview.editor.current_session()->set_dirty ();
1251 AutomationLine::change_model (AutomationList::iterator i, double x, double y)
1256 AutomationLine::change_model_range (AutomationList::iterator start, AutomationList::iterator end, double xdelta, float ydelta)
1258 alist.move_range (start, end, xdelta, ydelta);
1262 AutomationLine::show_all_control_points ()
1264 points_visible = true;
1266 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1268 (*i)->set_visible (true);
1273 AutomationLine::hide_all_but_selected_control_points ()
1275 points_visible = false;
1277 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1278 if (!(*i)->selected) {
1279 (*i)->set_visible (false);
1285 AutomationLine::get_state (void)
1287 /* function as a proxy for the model */
1288 return alist.get_state();
1292 AutomationLine::set_state (const XMLNode &node)
1294 /* function as a proxy for the model */
1295 return alist.set_state (node);