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 snprintf (buf, sizeof (buf), "%.1fdB", coefficient_to_dB (slider_position_to_gain (fraction)));
771 snprintf (buf, sizeof (buf), "%.2f", fraction);
778 AutomationLine::invalid_point (ALPoints& p, uint32_t index)
780 return p[index].x == max_frames && p[index].y == DBL_MAX;
784 AutomationLine::invalidate_point (ALPoints& p, uint32_t index)
786 p[index].x = max_frames;
787 p[index].y = DBL_MAX;
791 AutomationLine::start_drag (ControlPoint* cp, nframes_t x, float fraction)
793 if (trackview.editor.current_session() == 0) { /* how? */
800 str = _("automation event move");
802 str = _("automation range drag");
805 trackview.editor.current_session()->begin_reversible_command (str);
806 trackview.editor.current_session()->add_command (new MementoCommand<AutomationList>(alist, &get_state(), 0));
810 first_drag_fraction = fraction;
811 last_drag_fraction = fraction;
817 AutomationLine::point_drag (ControlPoint& cp, nframes_t x, float fraction, bool with_push)
820 drag_distance += (x - drag_x);
822 drag_distance -= (drag_x - x);
827 modify_view_point (cp, x, fraction, with_push);
829 if (line_points.size() > 1) {
830 line->property_points() = line_points;
834 did_push = with_push;
838 AutomationLine::line_drag (uint32_t i1, uint32_t i2, float fraction, bool with_push)
840 double ydelta = fraction - last_drag_fraction;
842 did_push = with_push;
844 last_drag_fraction = fraction;
851 for (uint32_t i = i1 ; i <= i2; i++) {
853 modify_view_point (*cp, trackview.editor.unit_to_frame (cp->get_x()), ((_height - cp->get_y()) /_height) + ydelta, with_push);
856 if (line_points.size() > 1) {
857 line->property_points() = line_points;
864 AutomationLine::end_drag (ControlPoint* cp)
873 sync_model_with_view_point (*cp, did_push, drag_distance);
875 sync_model_with_view_line (line_drag_cp1, line_drag_cp2);
880 update_pending = false;
882 trackview.editor.current_session()->add_command (new MementoCommand<AutomationList>(alist, 0, &alist.get_state()));
883 trackview.editor.current_session()->commit_reversible_command ();
884 trackview.editor.current_session()->set_dirty ();
889 AutomationLine::sync_model_with_view_point (ControlPoint& cp, bool did_push, int64_t distance)
891 ModelRepresentation mr;
894 model_representation (cp, mr);
896 /* how much are we changing the central point by */
898 ydelta = mr.yval - mr.ypos;
901 apply the full change to the central point, and interpolate
902 on both axes to cover all model points represented
903 by the control point.
906 /* change all points before the primary point */
908 for (AutomationList::iterator i = mr.start; i != cp.model; ++i) {
910 double fract = ((*i)->when - mr.xmin) / (mr.xpos - mr.xmin);
911 double y_delta = ydelta * fract;
912 double x_delta = distance * fract;
916 if (y_delta || x_delta) {
917 alist.modify (i, (*i)->when + x_delta, mr.ymin + y_delta);
921 /* change the primary point */
923 update_pending = true;
924 alist.modify (cp.model, mr.xval, mr.yval);
927 /* change later points */
929 AutomationList::iterator i = cp.model;
933 while (i != mr.end) {
935 double delta = ydelta * (mr.xmax - (*i)->when) / (mr.xmax - mr.xpos);
937 /* all later points move by the same distance along the x-axis as the main point */
940 alist.modify (i, (*i)->when + distance, (*i)->value + delta);
948 /* move all points after the range represented by the view by the same distance
949 as the main point moved.
952 alist.slide (mr.end, drag_distance);
958 AutomationLine::control_points_adjacent (double xval, uint32_t & before, uint32_t& after)
960 ControlPoint *bcp = 0;
961 ControlPoint *acp = 0;
964 /* xval is in frames */
966 unit_xval = trackview.editor.frame_to_unit (xval);
968 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
970 if ((*i)->get_x() <= unit_xval) {
972 if (!bcp || (*i)->get_x() > bcp->get_x()) {
974 before = bcp->view_index;
977 } else if ((*i)->get_x() > unit_xval) {
979 after = acp->view_index;
988 AutomationLine::is_last_point (ControlPoint& cp)
990 ModelRepresentation mr;
992 model_representation (cp, mr);
994 // If the list is not empty, and the point is the last point in the list
996 if (!alist.empty() && mr.end == alist.end()) {
1004 AutomationLine::is_first_point (ControlPoint& cp)
1006 ModelRepresentation mr;
1008 model_representation (cp, mr);
1010 // If the list is not empty, and the point is the first point in the list
1012 if (!alist.empty() && mr.start == alist.begin()) {
1019 // This is copied into AudioRegionGainLine
1021 AutomationLine::remove_point (ControlPoint& cp)
1023 ModelRepresentation mr;
1025 model_representation (cp, mr);
1027 trackview.editor.current_session()->begin_reversible_command (_("remove control point"));
1028 XMLNode &before = alist.get_state();
1030 alist.erase (mr.start, mr.end);
1032 trackview.editor.current_session()->add_command(new MementoCommand<AutomationList>(alist, &before, &alist.get_state()));
1033 trackview.editor.current_session()->commit_reversible_command ();
1034 trackview.editor.current_session()->set_dirty ();
1038 AutomationLine::get_selectables (nframes_t& start, nframes_t& end,
1039 double botfrac, double topfrac, list<Selectable*>& results)
1046 bool collecting = false;
1048 /* Curse X11 and its inverted coordinate system! */
1050 bot = (1.0 - topfrac) * _height;
1051 top = (1.0 - botfrac) * _height;
1053 nstart = max_frames;
1056 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1058 nframes_t when = (nframes_t) (*(*i)->model)->when;
1060 if (when >= start && when <= end) {
1062 if ((*i)->get_y() >= bot && (*i)->get_y() <= top) {
1065 (*i)->set_visible(true);
1067 nstart = min (nstart, when);
1068 nend = max (nend, when);
1074 results.push_back (new AutomationSelectable (nstart, nend, botfrac, topfrac, trackview));
1076 nstart = max_frames;
1084 results.push_back (new AutomationSelectable (nstart, nend, botfrac, topfrac, trackview));
1090 AutomationLine::get_inverted_selectables (Selection&, list<Selectable*>& results)
1096 AutomationLine::set_selected_points (PointSelection& points)
1101 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1102 (*i)->selected = false;
1105 if (points.empty()) {
1109 for (PointSelection::iterator r = points.begin(); r != points.end(); ++r) {
1111 if (&(*r).track != &trackview) {
1115 /* Curse X11 and its inverted coordinate system! */
1117 bot = (1.0 - (*r).high_fract) * _height;
1118 top = (1.0 - (*r).low_fract) * _height;
1120 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1122 double rstart, rend;
1124 rstart = trackview.editor.frame_to_unit ((*r).start);
1125 rend = trackview.editor.frame_to_unit ((*r).end);
1127 if ((*i)->get_x() >= rstart && (*i)->get_x() <= rend) {
1129 if ((*i)->get_y() >= bot && (*i)->get_y() <= top) {
1131 (*i)->selected = true;
1139 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1140 (*i)->show_color (false, !points_visible);
1145 void AutomationLine::set_colors() {
1146 set_line_color( ARDOUR_UI::config()->canvasvar_AutomationLine.get() );
1147 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1148 (*i)->show_color (false, !points_visible);
1153 AutomationLine::show_selection ()
1155 TimeSelection& time (trackview.editor.get_selection().time);
1157 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1159 (*i)->selected = false;
1161 for (list<AudioRange>::iterator r = time.begin(); r != time.end(); ++r) {
1162 double rstart, rend;
1164 rstart = trackview.editor.frame_to_unit ((*r).start);
1165 rend = trackview.editor.frame_to_unit ((*r).end);
1167 if ((*i)->get_x() >= rstart && (*i)->get_x() <= rend) {
1168 (*i)->selected = true;
1173 (*i)->show_color (false, !points_visible);
1178 AutomationLine::hide_selection ()
1180 // show_selection ();
1184 AutomationLine::list_changed ()
1190 AutomationLine::reset_callback (const AutomationList& events)
1192 ALPoints tmp_points;
1193 uint32_t npoints = events.size();
1196 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1199 control_points.clear ();
1204 AutomationList::const_iterator ai;
1206 for (ai = events.const_begin(); ai != events.const_end(); ++ai) {
1208 double translated_y = (*ai)->value;
1209 model_to_view_y (translated_y);
1211 add_model_point (tmp_points, (*ai)->when, translated_y);
1214 determine_visible_control_points (tmp_points);
1218 AutomationLine::add_model_point (ALPoints& tmp_points, double frame, double yfract)
1220 tmp_points.push_back (ALPoint (trackview.editor.frame_to_unit (frame),
1221 _height - (yfract * _height)));
1225 AutomationLine::reset ()
1227 update_pending = false;
1233 alist.apply_to_points (*this, &AutomationLine::reset_callback);
1237 AutomationLine::clear ()
1239 /* parent must create command */
1240 XMLNode &before = get_state();
1242 trackview.editor.current_session()->add_command (new MementoCommand<AutomationLine>(*this, &before, &get_state()));
1243 trackview.editor.current_session()->commit_reversible_command ();
1244 trackview.editor.current_session()->set_dirty ();
1248 AutomationLine::change_model (AutomationList::iterator i, double x, double y)
1253 AutomationLine::change_model_range (AutomationList::iterator start, AutomationList::iterator end, double xdelta, float ydelta)
1255 alist.move_range (start, end, xdelta, ydelta);
1259 AutomationLine::show_all_control_points ()
1261 points_visible = true;
1263 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1265 (*i)->set_visible (true);
1270 AutomationLine::hide_all_but_selected_control_points ()
1272 points_visible = false;
1274 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
1275 if (!(*i)->selected) {
1276 (*i)->set_visible (false);
1282 AutomationLine::get_state (void)
1284 /* function as a proxy for the model */
1285 return alist.get_state();
1289 AutomationLine::set_state (const XMLNode &node)
1291 /* function as a proxy for the model */
1292 return alist.set_state (node);