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 /* now ensure that the control_points vector reflects the current curve
610 state, but don't plot control points too close together. also, don't
611 plot a series of points all with the same value.
613 always plot the first and last points, of course.
616 if (invalid_point (points, pi)) {
617 /* for some reason, we are supposed to ignore this point,
618 but still keep track of the model index.
623 if (pi > 0 && pi < npoints - 1) {
624 if (slope[pi] == slope[pi-1]) {
626 /* no reason to display this point */
632 /* need to round here. the ultimate coordinates are integer
633 pixels, so tiny deltas in the coords will be eliminated
634 and we end up with "colinear" line segments. since the
635 line rendering code in libart doesn't like this very
636 much, we eliminate them here. don't do this for the first and last
640 this_rx = (uint32_t) rint (tx);
641 this_ry = (uint32_t) rint (ty);
643 if (view_index && pi != npoints && /* not the first, not the last */
644 (((this_rx == prev_rx) && (this_ry == prev_ry)) || /* same point */
645 (((this_rx - prev_rx) < (box_size + 2)) && /* not identical, but still too close horizontally */
646 (abs ((int)(this_ry - prev_ry)) < (int) (box_size + 2))))) { /* too close vertically */
650 /* ok, we should display this point */
652 if (view_index >= cpsize) {
654 /* make sure we have enough control points */
656 ControlPoint* ncp = new ControlPoint (*this);
658 ncp->set_size (box_size);
660 control_points.push_back (ncp);
664 ControlPoint::ShapeType shape;
666 if (!terminal_points_can_slide) {
668 control_points[view_index]->can_slide = false;
670 shape = ControlPoint::Start;
672 shape = ControlPoint::Full;
674 } else if (pi == npoints - 1) {
675 control_points[view_index]->can_slide = false;
676 shape = ControlPoint::End;
678 control_points[view_index]->can_slide = true;
679 shape = ControlPoint::Full;
682 control_points[view_index]->can_slide = true;
683 shape = ControlPoint::Full;
686 last_control_point_x = tx;
687 last_control_point_y = ty;
689 control_points[view_index]->reset (tx, ty, model, view_index, shape);
694 /* finally, control visibility */
696 if (_visible && points_visible) {
697 control_points[view_index]->show ();
698 control_points[view_index]->set_visible (true);
700 if (!points_visible) {
701 control_points[view_index]->set_visible (false);
708 /* discard extra CP's to avoid confusing ourselves */
710 while (control_points.size() > view_index) {
711 ControlPoint* cp = control_points.back();
712 control_points.pop_back ();
716 if (!terminal_points_can_slide) {
717 control_points.back()->can_slide = false;
722 if (view_index > 1) {
724 npoints = view_index;
726 /* reset the line coordinates */
728 while (line_points.size() < npoints) {
729 line_points.push_back (Art::Point (0,0));
732 while (line_points.size() > npoints) {
733 line_points.pop_back ();
736 for (view_index = 0; view_index < npoints; ++view_index) {
737 line_points[view_index].set_x (control_points[view_index]->get_x());
738 line_points[view_index].set_y (control_points[view_index]->get_y());
741 line->property_points() = line_points;
749 set_selected_points (trackview.editor.get_selection().points);
754 AutomationLine::get_verbose_cursor_string (float fraction)
758 if (_vc_uses_gain_mapping) {
759 if (fraction == 0.0) {
760 snprintf (buf, sizeof (buf), "-inf dB");
762 snprintf (buf, sizeof (buf), "%.1fdB", coefficient_to_dB (slider_position_to_gain (fraction)));
765 snprintf (buf, sizeof (buf), "%.2f", fraction);
772 AutomationLine::invalid_point (ALPoints& p, uint32_t index)
774 return p[index].x == max_frames && p[index].y == DBL_MAX;
778 AutomationLine::invalidate_point (ALPoints& p, uint32_t index)
780 p[index].x = max_frames;
781 p[index].y = DBL_MAX;
785 AutomationLine::start_drag (ControlPoint* cp, nframes_t x, float fraction)
787 if (trackview.editor.current_session() == 0) { /* how? */
794 str = _("automation event move");
796 str = _("automation range drag");
799 trackview.editor.current_session()->begin_reversible_command (str);
800 trackview.editor.current_session()->add_command (new MementoCommand<AutomationList>(alist, &get_state(), 0));
804 first_drag_fraction = fraction;
805 last_drag_fraction = fraction;
811 AutomationLine::point_drag (ControlPoint& cp, nframes_t x, float fraction, bool with_push)
814 drag_distance += (x - drag_x);
816 drag_distance -= (drag_x - x);
821 modify_view_point (cp, x, fraction, with_push);
823 if (line_points.size() > 1) {
824 line->property_points() = line_points;
828 did_push = with_push;
832 AutomationLine::line_drag (uint32_t i1, uint32_t i2, float fraction, bool with_push)
834 double ydelta = fraction - last_drag_fraction;
836 did_push = with_push;
838 last_drag_fraction = fraction;
845 for (uint32_t i = i1 ; i <= i2; i++) {
847 modify_view_point (*cp, trackview.editor.unit_to_frame (cp->get_x()), ((_height - cp->get_y()) /_height) + ydelta, with_push);
850 if (line_points.size() > 1) {
851 line->property_points() = line_points;
858 AutomationLine::end_drag (ControlPoint* cp)
867 sync_model_with_view_point (*cp, did_push, drag_distance);
869 sync_model_with_view_line (line_drag_cp1, line_drag_cp2);
874 update_pending = false;
876 trackview.editor.current_session()->add_command (new MementoCommand<AutomationList>(alist, 0, &alist.get_state()));
877 trackview.editor.current_session()->commit_reversible_command ();
878 trackview.editor.current_session()->set_dirty ();
883 AutomationLine::sync_model_with_view_point (ControlPoint& cp, bool did_push, int64_t distance)
885 ModelRepresentation mr;
888 model_representation (cp, mr);
890 /* how much are we changing the central point by */
892 ydelta = mr.yval - mr.ypos;
895 apply the full change to the central point, and interpolate
896 on both axes to cover all model points represented
897 by the control point.
900 /* change all points before the primary point */
902 for (AutomationList::iterator i = mr.start; i != cp.model; ++i) {
904 double fract = ((*i)->when - mr.xmin) / (mr.xpos - mr.xmin);
905 double y_delta = ydelta * fract;
906 double x_delta = distance * fract;
910 if (y_delta || x_delta) {
911 alist.modify (i, (*i)->when + x_delta, mr.ymin + y_delta);
915 /* change the primary point */
917 update_pending = true;
918 alist.modify (cp.model, mr.xval, mr.yval);
921 /* change later points */
923 AutomationList::iterator i = cp.model;
927 while (i != mr.end) {
929 double delta = ydelta * (mr.xmax - (*i)->when) / (mr.xmax - mr.xpos);
931 /* all later points move by the same distance along the x-axis as the main point */
934 alist.modify (i, (*i)->when + distance, (*i)->value + delta);
942 /* move all points after the range represented by the view by the same distance
943 as the main point moved.
946 alist.slide (mr.end, drag_distance);
952 AutomationLine::control_points_adjacent (double xval, uint32_t & before, uint32_t& after)
954 ControlPoint *bcp = 0;
955 ControlPoint *acp = 0;
958 /* xval is in frames */
960 unit_xval = trackview.editor.frame_to_unit (xval);
962 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
964 if ((*i)->get_x() <= unit_xval) {
966 if (!bcp || (*i)->get_x() > bcp->get_x()) {
968 before = bcp->view_index;
971 } else if ((*i)->get_x() > unit_xval) {
973 after = acp->view_index;
982 AutomationLine::is_last_point (ControlPoint& cp)
984 ModelRepresentation mr;
986 model_representation (cp, mr);
988 // If the list is not empty, and the point is the last point in the list
990 if (!alist.empty() && mr.end == alist.end()) {
998 AutomationLine::is_first_point (ControlPoint& cp)
1000 ModelRepresentation mr;
1002 model_representation (cp, mr);
1004 // If the list is not empty, and the point is the first point in the list
1006 if (!alist.empty() && mr.start == alist.begin()) {
1013 // This is copied into AudioRegionGainLine
1015 AutomationLine::remove_point (ControlPoint& cp)
1017 ModelRepresentation mr;
1019 model_representation (cp, mr);
1021 trackview.editor.current_session()->begin_reversible_command (_("remove control point"));
1022 XMLNode &before = alist.get_state();
1024 alist.erase (mr.start, mr.end);
1026 trackview.editor.current_session()->add_command(new MementoCommand<AutomationList>(alist, &before, &alist.get_state()));
1027 trackview.editor.current_session()->commit_reversible_command ();
1028 trackview.editor.current_session()->set_dirty ();
1032 AutomationLine::get_selectables (nframes_t& start, nframes_t& end,
1033 double botfrac, double topfrac, list<Selectable*>& results)
1040 bool collecting = false;
1042 /* Curse X11 and its inverted coordinate system! */
1044 bot = (1.0 - topfrac) * _height;
1045 top = (1.0 - botfrac) * _height;
1047 nstart = max_frames;
1050 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1052 nframes_t when = (nframes_t) (*(*i)->model)->when;
1054 if (when >= start && when <= end) {
1056 if ((*i)->get_y() >= bot && (*i)->get_y() <= top) {
1059 (*i)->set_visible(true);
1061 nstart = min (nstart, when);
1062 nend = max (nend, when);
1068 results.push_back (new AutomationSelectable (nstart, nend, botfrac, topfrac, trackview));
1070 nstart = max_frames;
1078 results.push_back (new AutomationSelectable (nstart, nend, botfrac, topfrac, trackview));
1084 AutomationLine::get_inverted_selectables (Selection&, list<Selectable*>& results)
1090 AutomationLine::set_selected_points (PointSelection& points)
1095 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1096 (*i)->selected = false;
1099 if (points.empty()) {
1103 for (PointSelection::iterator r = points.begin(); r != points.end(); ++r) {
1105 if (&(*r).track != &trackview) {
1109 /* Curse X11 and its inverted coordinate system! */
1111 bot = (1.0 - (*r).high_fract) * _height;
1112 top = (1.0 - (*r).low_fract) * _height;
1114 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1116 double rstart, rend;
1118 rstart = trackview.editor.frame_to_unit ((*r).start);
1119 rend = trackview.editor.frame_to_unit ((*r).end);
1121 if ((*i)->get_x() >= rstart && (*i)->get_x() <= rend) {
1123 if ((*i)->get_y() >= bot && (*i)->get_y() <= top) {
1125 (*i)->selected = true;
1133 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1134 (*i)->show_color (false, !points_visible);
1139 void AutomationLine::set_colors() {
1140 set_line_color( ARDOUR_UI::config()->canvasvar_AutomationLine.get() );
1141 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1142 (*i)->show_color (false, !points_visible);
1147 AutomationLine::show_selection ()
1149 TimeSelection& time (trackview.editor.get_selection().time);
1151 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1153 (*i)->selected = false;
1155 for (list<AudioRange>::iterator r = time.begin(); r != time.end(); ++r) {
1156 double rstart, rend;
1158 rstart = trackview.editor.frame_to_unit ((*r).start);
1159 rend = trackview.editor.frame_to_unit ((*r).end);
1161 if ((*i)->get_x() >= rstart && (*i)->get_x() <= rend) {
1162 (*i)->selected = true;
1167 (*i)->show_color (false, !points_visible);
1172 AutomationLine::hide_selection ()
1174 // show_selection ();
1178 AutomationLine::list_changed ()
1184 AutomationLine::reset_callback (const AutomationList& events)
1186 ALPoints tmp_points;
1187 uint32_t npoints = events.size();
1190 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1193 control_points.clear ();
1198 AutomationList::const_iterator ai;
1200 for (ai = events.const_begin(); ai != events.const_end(); ++ai) {
1202 double translated_y = (*ai)->value;
1203 model_to_view_y (translated_y);
1205 tmp_points.push_back (ALPoint (trackview.editor.frame_to_unit ((*ai)->when),
1206 _height - (translated_y * _height)));
1209 determine_visible_control_points (tmp_points);
1213 AutomationLine::reset ()
1215 update_pending = false;
1221 alist.apply_to_points (*this, &AutomationLine::reset_callback);
1225 AutomationLine::clear ()
1227 /* parent must create command */
1228 XMLNode &before = get_state();
1230 trackview.editor.current_session()->add_command (new MementoCommand<AutomationLine>(*this, &before, &get_state()));
1231 trackview.editor.current_session()->commit_reversible_command ();
1232 trackview.editor.current_session()->set_dirty ();
1236 AutomationLine::change_model (AutomationList::iterator i, double x, double y)
1241 AutomationLine::change_model_range (AutomationList::iterator start, AutomationList::iterator end, double xdelta, float ydelta)
1243 alist.move_range (start, end, xdelta, ydelta);
1247 AutomationLine::show_all_control_points ()
1249 points_visible = true;
1251 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1253 (*i)->set_visible (true);
1258 AutomationLine::hide_all_but_selected_control_points ()
1260 points_visible = false;
1262 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1263 if (!(*i)->selected) {
1264 (*i)->set_visible (false);
1270 AutomationLine::get_state (void)
1272 /* function as a proxy for the model */
1273 return alist.get_state();
1277 AutomationLine::set_state (const XMLNode &node)
1279 /* function as a proxy for the model */
1280 return alist.set_state (node);