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 "boost/shared_ptr.hpp"
27 #include "pbd/floating.h"
28 #include "pbd/memento_command.h"
29 #include "pbd/stl_delete.h"
30 #include "pbd/stacktrace.h"
32 #include "ardour/automation_list.h"
33 #include "ardour/dB.h"
34 #include "ardour/debug.h"
36 #include "evoral/Curve.hpp"
38 #include "canvas/debug.h"
40 #include "automation_line.h"
41 #include "control_point.h"
42 #include "gui_thread.h"
43 #include "rgb_macros.h"
44 #include "ardour_ui.h"
45 #include "public_editor.h"
47 #include "selection.h"
48 #include "time_axis_view.h"
49 #include "point_selection.h"
50 #include "automation_time_axis.h"
52 #include "ardour/event_type_map.h"
53 #include "ardour/session.h"
58 using namespace ARDOUR;
60 using namespace Editing;
62 /** @param converter A TimeConverter whose origin_b is the start time of the AutomationList in session frames.
63 * This will not be deleted by AutomationLine.
65 AutomationLine::AutomationLine (const string& name, TimeAxisView& tv, ArdourCanvas::Group& parent,
66 boost::shared_ptr<AutomationList> al,
67 Evoral::TimeConverter<double, framepos_t>* converter)
71 , _time_converter (converter ? converter : new Evoral::IdentityConverter<double, framepos_t>)
72 , _parent_group (parent)
74 , _maximum_time (max_framepos)
77 _time_converter = converter;
78 _our_time_converter = false;
80 _time_converter = new Evoral::IdentityConverter<double, framepos_t>;
81 _our_time_converter = true;
86 update_pending = false;
88 _uses_gain_mapping = false;
91 terminal_points_can_slide = true;
94 group = new ArdourCanvas::Group (&parent);
95 CANVAS_DEBUG_NAME (group, "region gain envelope group");
97 line = new ArdourCanvas::PolyLine (group);
98 CANVAS_DEBUG_NAME (line, "region gain envelope line");
99 line->set_data ("line", this);
100 line->set_outline_width (2.0);
102 line->Event.connect (sigc::mem_fun (*this, &AutomationLine::event_handler));
104 trackview.session()->register_with_memento_command_factory(alist->id(), this);
106 if (alist->parameter().type() == GainAutomation ||
107 alist->parameter().type() == EnvelopeAutomation) {
108 set_uses_gain_mapping (true);
111 interpolation_changed (alist->interpolation ());
116 AutomationLine::~AutomationLine ()
118 vector_delete (&control_points);
121 if (_our_time_converter) {
122 delete _time_converter;
127 AutomationLine::event_handler (GdkEvent* event)
129 return PublicEditor::instance().canvas_line_event (event, line, this);
133 AutomationLine::show ()
135 if (_visible & Line) {
136 /* Only show the line there are some points, otherwise we may show an out-of-date line
137 when automation points have been removed (the line will still follow the shape of the
140 if (alist->interpolation() != AutomationList::Discrete && control_points.size() >= 2) {
149 if (_visible & ControlPoints) {
150 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
153 } else if (_visible & SelectedControlPoints) {
154 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
155 if ((*i)->get_selected()) {
162 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
169 AutomationLine::hide ()
171 set_visibility (VisibleAspects (0));
175 AutomationLine::control_point_box_size ()
177 if (alist->interpolation() == AutomationList::Discrete) {
178 return max((_height*4.0) / (double)(alist->parameter().max() - alist->parameter().min()),
182 if (_height > TimeAxisView::preset_height (HeightLarger)) {
184 } else if (_height > (guint32) TimeAxisView::preset_height (HeightNormal)) {
191 AutomationLine::set_height (guint32 h)
196 double bsz = control_point_box_size();
198 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
199 (*i)->set_size (bsz);
207 AutomationLine::set_line_color (uint32_t color)
210 line->set_outline_color (color);
214 AutomationLine::set_uses_gain_mapping (bool yn)
216 if (yn != _uses_gain_mapping) {
217 _uses_gain_mapping = yn;
223 AutomationLine::nth (uint32_t n)
225 if (n < control_points.size()) {
226 return control_points[n];
233 AutomationLine::nth (uint32_t n) const
235 if (n < control_points.size()) {
236 return control_points[n];
243 AutomationLine::modify_point_y (ControlPoint& cp, double y)
245 /* clamp y-coord appropriately. y is supposed to be a normalized fraction (0.0-1.0),
246 and needs to be converted to a canvas unit distance.
251 y = _height - (y * _height);
253 double const x = trackview.editor().sample_to_pixel_unrounded (_time_converter->to((*cp.model())->when) - _offset);
255 trackview.editor().session()->begin_reversible_command (_("automation event move"));
256 trackview.editor().session()->add_command (
257 new MementoCommand<AutomationList> (memento_command_binder(), &get_state(), 0)
260 cp.move_to (x, y, ControlPoint::Full);
262 reset_line_coords (cp);
264 if (line_points.size() > 1) {
265 line->set (line_points);
269 sync_model_with_view_point (cp);
272 update_pending = false;
274 trackview.editor().session()->add_command (
275 new MementoCommand<AutomationList> (memento_command_binder(), 0, &alist->get_state())
278 trackview.editor().session()->commit_reversible_command ();
279 trackview.editor().session()->set_dirty ();
283 AutomationLine::reset_line_coords (ControlPoint& cp)
285 if (cp.view_index() < line_points.size()) {
286 line_points[cp.view_index()].x = cp.get_x ();
287 line_points[cp.view_index()].y = cp.get_y ();
292 AutomationLine::sync_model_with_view_points (list<ControlPoint*> cp)
294 update_pending = true;
296 for (list<ControlPoint*>::iterator i = cp.begin(); i != cp.end(); ++i) {
297 sync_model_with_view_point (**i);
302 AutomationLine::get_verbose_cursor_string (double fraction) const
304 std::string s = fraction_to_string (fraction);
305 if (_uses_gain_mapping) {
313 AutomationLine::get_verbose_cursor_relative_string (double original, double fraction) const
315 std::string s = fraction_to_string (fraction);
316 if (_uses_gain_mapping) {
320 std::string d = fraction_to_relative_string (original, fraction);
327 if (_uses_gain_mapping) {
338 * @param fraction y fraction
339 * @return string representation of this value, using dB if appropriate.
342 AutomationLine::fraction_to_string (double fraction) const
346 if (_uses_gain_mapping) {
347 if (fraction == 0.0) {
348 snprintf (buf, sizeof (buf), "-inf");
350 snprintf (buf, sizeof (buf), "%.1f", accurate_coefficient_to_dB (slider_position_to_gain_with_max (fraction, Config->get_max_gain())));
353 view_to_model_coord_y (fraction);
354 if (EventTypeMap::instance().is_integer (alist->parameter())) {
355 snprintf (buf, sizeof (buf), "%d", (int)fraction);
357 snprintf (buf, sizeof (buf), "%.2f", fraction);
365 * @param original an old y-axis fraction
366 * @param fraction the new y fraction
367 * @return string representation of the difference between original and fraction, using dB if appropriate.
370 AutomationLine::fraction_to_relative_string (double original, double fraction) const
374 if (original == fraction) {
378 if (_uses_gain_mapping) {
379 if (original == 0.0) {
380 /* there is no sensible representation of a relative
381 change from -inf dB, so return an empty string.
384 } else if (fraction == 0.0) {
385 snprintf (buf, sizeof (buf), "-inf");
387 double old_db = accurate_coefficient_to_dB (slider_position_to_gain_with_max (original, Config->get_max_gain()));
388 double new_db = accurate_coefficient_to_dB (slider_position_to_gain_with_max (fraction, Config->get_max_gain()));
389 snprintf (buf, sizeof (buf), "%.1f", new_db - old_db);
392 view_to_model_coord_y (original);
393 view_to_model_coord_y (fraction);
394 if (EventTypeMap::instance().is_integer (alist->parameter())) {
395 snprintf (buf, sizeof (buf), "%d", (int)fraction - (int)original);
397 snprintf (buf, sizeof (buf), "%.2f", fraction - original);
405 * @param s Value string in the form as returned by fraction_to_string.
406 * @return Corresponding y fraction.
409 AutomationLine::string_to_fraction (string const & s) const
416 sscanf (s.c_str(), "%lf", &v);
418 if (_uses_gain_mapping) {
419 v = gain_to_slider_position_with_max (dB_to_coefficient (v), Config->get_max_gain());
422 model_to_view_coord (dummy, v);
428 /** Start dragging a single point, possibly adding others if the supplied point is selected and there
429 * are other selected points.
431 * @param cp Point to drag.
432 * @param x Initial x position (units).
433 * @param fraction Initial y position (as a fraction of the track height, where 0 is the bottom and 1 the top)
436 AutomationLine::start_drag_single (ControlPoint* cp, double x, float fraction)
438 trackview.editor().session()->begin_reversible_command (_("automation event move"));
439 trackview.editor().session()->add_command (
440 new MementoCommand<AutomationList> (memento_command_binder(), &get_state(), 0)
443 _drag_points.clear ();
444 _drag_points.push_back (cp);
446 if (cp->get_selected ()) {
447 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
448 if (*i != cp && (*i)->get_selected()) {
449 _drag_points.push_back (*i);
454 start_drag_common (x, fraction);
457 /** Start dragging a line vertically (with no change in x)
458 * @param i1 Control point index of the `left' point on the line.
459 * @param i2 Control point index of the `right' point on the line.
460 * @param fraction Initial y position (as a fraction of the track height, where 0 is the bottom and 1 the top)
463 AutomationLine::start_drag_line (uint32_t i1, uint32_t i2, float fraction)
465 trackview.editor().session()->begin_reversible_command (_("automation range move"));
466 trackview.editor().session()->add_command (
467 new MementoCommand<AutomationList> (memento_command_binder (), &get_state(), 0)
470 _drag_points.clear ();
472 for (uint32_t i = i1; i <= i2; i++) {
473 _drag_points.push_back (nth (i));
476 start_drag_common (0, fraction);
479 /** Start dragging multiple points (with no change in x)
480 * @param cp Points to drag.
481 * @param fraction Initial y position (as a fraction of the track height, where 0 is the bottom and 1 the top)
484 AutomationLine::start_drag_multiple (list<ControlPoint*> cp, float fraction, XMLNode* state)
486 trackview.editor().session()->begin_reversible_command (_("automation range move"));
487 trackview.editor().session()->add_command (
488 new MementoCommand<AutomationList> (memento_command_binder(), state, 0)
492 start_drag_common (0, fraction);
495 struct ControlPointSorter
497 bool operator() (ControlPoint const * a, ControlPoint const * b) const {
498 if (floateq (a->get_x(), b->get_x(), 1)) {
499 return a->view_index() < b->view_index();
501 return a->get_x() < b->get_x();
505 AutomationLine::ContiguousControlPoints::ContiguousControlPoints (AutomationLine& al)
506 : line (al), before_x (0), after_x (DBL_MAX)
511 AutomationLine::ContiguousControlPoints::compute_x_bounds ()
513 uint32_t sz = size();
515 if (sz > 0 && sz < line.npoints()) {
517 /* determine the limits on x-axis motion for this
518 contiguous range of control points
521 if (front()->view_index() > 0) {
522 before_x = line.nth (front()->view_index() - 1)->get_x();
525 /* if our last point has a point after it in the line,
526 we have an "after" bound
529 if (back()->view_index() < (line.npoints() - 2)) {
530 after_x = line.nth (back()->view_index() + 1)->get_x();
536 AutomationLine::ContiguousControlPoints::clamp_dx (double dx)
542 /* get the maximum distance we can move any of these points along the x-axis
545 double tx; /* possible position a point would move to, given dx */
549 /* check the last point, since we're moving later in time */
552 /* check the first point, since we're moving earlier in time */
556 tx = cp->get_x() + dx; // new possible position if we just add the motion
557 tx = max (tx, before_x); // can't move later than following point
558 tx = min (tx, after_x); // can't move earlier than preceeding point
559 return tx - cp->get_x ();
563 AutomationLine::ContiguousControlPoints::move (double dx, double dy)
565 for (std::list<ControlPoint*>::iterator i = begin(); i != end(); ++i) {
566 (*i)->move_to ((*i)->get_x() + dx, (*i)->get_y() - line.height() * dy, ControlPoint::Full);
567 line.reset_line_coords (**i);
571 /** Common parts of starting a drag.
572 * @param x Starting x position in units, or 0 if x is being ignored.
573 * @param fraction Starting y position (as a fraction of the track height, where 0 is the bottom and 1 the top)
576 AutomationLine::start_drag_common (double x, float fraction)
580 _last_drag_fraction = fraction;
581 _drag_had_movement = false;
584 /* they are probably ordered already, but we have to make sure */
586 _drag_points.sort (ControlPointSorter());
590 /** Should be called to indicate motion during a drag.
591 * @param x New x position of the drag in canvas units, or undefined if ignore_x == true.
592 * @param fraction New y fraction.
593 * @return x position and y fraction that were actually used (once clamped).
596 AutomationLine::drag_motion (double const x, float fraction, bool ignore_x, bool with_push, uint32_t& final_index)
598 if (_drag_points.empty()) {
599 return pair<double,float> (x,fraction);
602 double dx = ignore_x ? 0 : (x - _drag_x);
603 double dy = fraction - _last_drag_fraction;
605 if (!_drag_had_movement) {
607 /* "first move" ... do some stuff that we don't want to do if
608 no motion ever took place, but need to do before we handle
612 /* partition the points we are dragging into (potentially several)
613 * set(s) of contiguous points. this will not happen with a normal
614 * drag, but if the user does a discontiguous selection, it can.
617 uint32_t expected_view_index = 0;
620 for (list<ControlPoint*>::iterator i = _drag_points.begin(); i != _drag_points.end(); ++i) {
621 if (i == _drag_points.begin() || (*i)->view_index() != expected_view_index) {
622 contig.reset (new ContiguousControlPoints (*this));
623 contiguous_points.push_back (contig);
625 contig->push_back (*i);
626 expected_view_index = (*i)->view_index() + 1;
629 if (contiguous_points.back()->empty()) {
630 contiguous_points.pop_back ();
633 for (vector<CCP>::iterator ccp = contiguous_points.begin(); ccp != contiguous_points.end(); ++ccp) {
634 (*ccp)->compute_x_bounds ();
638 /* OK, now on to the stuff related to *this* motion event. First, for
639 * each contiguous range, figure out the maximum x-axis motion we are
640 * allowed (because of neighbouring points that are not moving.
642 * if we are moving forwards with push, we don't need to do this,
643 * since all later points will move too.
646 if (dx < 0 || ((dx > 0) && !with_push)) {
647 for (vector<CCP>::iterator ccp = contiguous_points.begin(); ccp != contiguous_points.end(); ++ccp) {
648 double dxt = (*ccp)->clamp_dx (dx);
649 if (fabs (dxt) < fabs (dx)) {
657 for (list<ControlPoint*>::iterator i = _drag_points.begin(); i != _drag_points.end(); ++i) {
658 double const y = ((_height - (*i)->get_y()) / _height) + dy;
669 /* and now move each section */
671 for (vector<CCP>::iterator ccp = contiguous_points.begin(); ccp != contiguous_points.end(); ++ccp) {
672 (*ccp)->move (dx, dy);
675 final_index = contiguous_points.back()->back()->view_index () + 1;
677 uint32_t i = final_index;
678 while ((p = nth (i)) != 0 && p->can_slide()) {
679 p->move_to (p->get_x() + dx, p->get_y(), ControlPoint::Full);
680 reset_line_coords (*p);
685 /* update actual line coordinates (will queue a redraw)
688 if (line_points.size() > 1) {
689 line->set (line_points);
693 _drag_distance += dx;
695 _last_drag_fraction = fraction;
696 _drag_had_movement = true;
697 did_push = with_push;
699 return pair<double, float> (_drag_x + dx, _last_drag_fraction + dy);
702 /** Should be called to indicate the end of a drag */
704 AutomationLine::end_drag (bool with_push, uint32_t final_index)
706 if (!_drag_had_movement) {
711 sync_model_with_view_points (_drag_points);
715 uint32_t i = final_index;
716 while ((p = nth (i)) != 0 && p->can_slide()) {
717 sync_model_with_view_point (*p);
724 update_pending = false;
726 trackview.editor().session()->add_command (
727 new MementoCommand<AutomationList>(memento_command_binder (), 0, &alist->get_state())
730 trackview.editor().session()->set_dirty ();
733 contiguous_points.clear ();
737 AutomationLine::sync_model_with_view_point (ControlPoint& cp)
739 /* find out where the visual control point is.
740 initial results are in canvas units. ask the
741 line to convert them to something relevant.
744 double view_x = cp.get_x();
745 double view_y = 1.0 - (cp.get_y() / _height);
747 /* if xval has not changed, set it directly from the model to avoid rounding errors */
749 if (view_x == trackview.editor().sample_to_pixel_unrounded (_time_converter->to ((*cp.model())->when)) - _offset) {
750 view_x = (*cp.model())->when - _offset;
752 view_x = trackview.editor().pixel_to_sample (view_x);
753 view_x = _time_converter->from (view_x + _offset);
756 update_pending = true;
758 view_to_model_coord_y (view_y);
760 alist->modify (cp.model(), view_x, view_y);
764 AutomationLine::control_points_adjacent (double xval, uint32_t & before, uint32_t& after)
766 ControlPoint *bcp = 0;
767 ControlPoint *acp = 0;
770 unit_xval = trackview.editor().sample_to_pixel_unrounded (xval);
772 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
774 if ((*i)->get_x() <= unit_xval) {
776 if (!bcp || (*i)->get_x() > bcp->get_x()) {
778 before = bcp->view_index();
781 } else if ((*i)->get_x() > unit_xval) {
783 after = acp->view_index();
792 AutomationLine::is_last_point (ControlPoint& cp)
794 // If the list is not empty, and the point is the last point in the list
796 if (alist->empty()) {
800 AutomationList::const_iterator i = alist->end();
803 if (cp.model() == i) {
811 AutomationLine::is_first_point (ControlPoint& cp)
813 // If the list is not empty, and the point is the first point in the list
815 if (!alist->empty() && cp.model() == alist->begin()) {
822 // This is copied into AudioRegionGainLine
824 AutomationLine::remove_point (ControlPoint& cp)
826 trackview.editor().session()->begin_reversible_command (_("remove control point"));
827 XMLNode &before = alist->get_state();
829 alist->erase (cp.model());
831 trackview.editor().session()->add_command(
832 new MementoCommand<AutomationList> (memento_command_binder (), &before, &alist->get_state())
835 trackview.editor().session()->commit_reversible_command ();
836 trackview.editor().session()->set_dirty ();
839 /** Get selectable points within an area.
840 * @param start Start position in session frames.
841 * @param end End position in session frames.
842 * @param bot Bottom y range, as a fraction of line height, where 0 is the bottom of the line.
843 * @param top Top y range, as a fraction of line height, where 0 is the bottom of the line.
844 * @param result Filled in with selectable things; in this case, ControlPoints.
847 AutomationLine::get_selectables (framepos_t start, framepos_t end, double botfrac, double topfrac, list<Selectable*>& results)
849 /* convert fractions to display coordinates with 0 at the top of the track */
850 double const bot_track = (1 - topfrac) * trackview.current_height ();
851 double const top_track = (1 - botfrac) * trackview.current_height ();
853 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
854 double const model_when = (*(*i)->model())->when;
856 /* model_when is relative to the start of the source, so we just need to add on the origin_b here
857 (as it is the session frame position of the start of the source)
860 framepos_t const session_frames_when = _time_converter->to (model_when) + _time_converter->origin_b ();
862 if (session_frames_when >= start && session_frames_when <= end && (*i)->get_y() >= bot_track && (*i)->get_y() <= top_track) {
863 results.push_back (*i);
869 AutomationLine::get_inverted_selectables (Selection&, list<Selectable*>& /*results*/)
875 AutomationLine::set_selected_points (PointSelection const & points)
877 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
878 (*i)->set_selected (false);
881 for (PointSelection::const_iterator i = points.begin(); i != points.end(); ++i) {
882 (*i)->set_selected (true);
888 void AutomationLine::set_colors ()
890 set_line_color (ARDOUR_UI::config()->get_canvasvar_AutomationLine());
891 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
897 AutomationLine::list_changed ()
899 DEBUG_TRACE (DEBUG::Automation, string_compose ("\tline changed, existing update pending? %1\n", update_pending));
901 if (!update_pending) {
902 update_pending = true;
903 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&AutomationLine::queue_reset, this));
908 AutomationLine::reset_callback (const Evoral::ControlList& events)
914 if (events.empty()) {
915 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
918 control_points.clear ();
923 /* hide all existing points, and the line */
925 for (vector<ControlPoint*>::iterator i = control_points.begin(); i != control_points.end(); ++i) {
932 Evoral::ControlList& e = const_cast<Evoral::ControlList&> (events);
934 for (AutomationList::iterator ai = e.begin(); ai != e.end(); ++ai, ++pi) {
936 double tx = (*ai)->when;
937 double ty = (*ai)->value;
939 /* convert from model coordinates to canonical view coordinates */
941 model_to_view_coord (tx, ty);
943 if (std::isnan (tx) || std::isnan (ty)) {
944 warning << string_compose (_("Ignoring illegal points on AutomationLine \"%1\""),
949 if (tx >= max_framepos || tx < 0 || tx >= _maximum_time) {
953 /* convert x-coordinate to a canvas unit coordinate (this takes
954 * zoom and scroll into account).
957 tx = trackview.editor().sample_to_pixel_unrounded (tx);
959 /* convert from canonical view height (0..1.0) to actual
960 * height coordinates (using X11's top-left rooted system)
963 ty = _height - (ty * _height);
965 add_visible_control_point (vp, pi, tx, ty, ai, np);
969 /* discard extra CP's to avoid confusing ourselves */
971 while (control_points.size() > vp) {
972 ControlPoint* cp = control_points.back();
973 control_points.pop_back ();
977 if (!terminal_points_can_slide) {
978 control_points.back()->set_can_slide(false);
983 /* reset the line coordinates given to the CanvasLine */
985 while (line_points.size() < vp) {
986 line_points.push_back (ArdourCanvas::Duple (0,0));
989 while (line_points.size() > vp) {
990 line_points.pop_back ();
993 for (uint32_t n = 0; n < vp; ++n) {
994 line_points[n].x = control_points[n]->get_x();
995 line_points[n].y = control_points[n]->get_y();
998 line->set (line_points);
1000 if (_visible && alist->interpolation() != AutomationList::Discrete) {
1005 set_selected_points (trackview.editor().get_selection().points);
1009 AutomationLine::reset ()
1011 DEBUG_TRACE (DEBUG::Automation, "\t\tLINE RESET\n");
1012 update_pending = false;
1013 have_timeout = false;
1019 alist->apply_to_points (*this, &AutomationLine::reset_callback);
1023 AutomationLine::queue_reset ()
1025 /* this must be called from the GUI thread
1028 if (trackview.editor().session()->transport_rolling() && alist->automation_write()) {
1029 /* automation write pass ... defer to a timeout */
1030 /* redraw in 1/4 second */
1031 if (!have_timeout) {
1032 DEBUG_TRACE (DEBUG::Automation, "\tqueue timeout\n");
1033 Glib::signal_timeout().connect (sigc::bind_return (sigc::mem_fun (*this, &AutomationLine::reset), false), 250);
1034 have_timeout = true;
1036 DEBUG_TRACE (DEBUG::Automation, "\ttimeout already queued, change ignored\n");
1044 AutomationLine::clear ()
1046 /* parent must create and commit command */
1047 XMLNode &before = alist->get_state();
1050 trackview.editor().session()->add_command (
1051 new MementoCommand<AutomationList> (memento_command_binder (), &before, &alist->get_state())
1056 AutomationLine::change_model (AutomationList::iterator /*i*/, double /*x*/, double /*y*/)
1061 AutomationLine::set_list (boost::shared_ptr<ARDOUR::AutomationList> list)
1069 AutomationLine::add_visibility (VisibleAspects va)
1071 _visible = VisibleAspects (_visible | va);
1076 AutomationLine::set_visibility (VisibleAspects va)
1083 AutomationLine::remove_visibility (VisibleAspects va)
1085 _visible = VisibleAspects (_visible & ~va);
1090 AutomationLine::track_entered()
1092 if (alist->interpolation() != AutomationList::Discrete) {
1093 add_visibility (ControlPoints);
1098 AutomationLine::track_exited()
1100 if (alist->interpolation() != AutomationList::Discrete) {
1101 remove_visibility (ControlPoints);
1106 AutomationLine::get_state (void)
1108 /* function as a proxy for the model */
1109 return alist->get_state();
1113 AutomationLine::set_state (const XMLNode &node, int version)
1115 /* function as a proxy for the model */
1116 return alist->set_state (node, version);
1120 AutomationLine::view_to_model_coord (double& x, double& y) const
1122 x = _time_converter->from (x);
1123 view_to_model_coord_y (y);
1127 AutomationLine::view_to_model_coord_y (double& y) const
1129 /* TODO: This should be more generic ... */
1130 if (alist->parameter().type() == GainAutomation ||
1131 alist->parameter().type() == EnvelopeAutomation) {
1132 y = slider_position_to_gain_with_max (y, Config->get_max_gain());
1135 } else if (alist->parameter().type() == PanAzimuthAutomation ||
1136 alist->parameter().type() == PanElevationAutomation ||
1137 alist->parameter().type() == PanWidthAutomation) {
1139 } else if (alist->parameter().type() == PluginAutomation) {
1140 y = y * (double)(alist->get_max_y()- alist->get_min_y()) + alist->get_min_y();
1142 y = rint (y * alist->parameter().max());
1147 AutomationLine::model_to_view_coord (double& x, double& y) const
1149 /* TODO: This should be more generic ... */
1150 if (alist->parameter().type() == GainAutomation ||
1151 alist->parameter().type() == EnvelopeAutomation) {
1152 y = gain_to_slider_position_with_max (y, Config->get_max_gain());
1153 } else if (alist->parameter().type() == PanAzimuthAutomation ||
1154 alist->parameter().type() == PanElevationAutomation ||
1155 alist->parameter().type() == PanWidthAutomation) {
1156 // vertical coordinate axis reversal
1158 } else if (alist->parameter().type() == PluginAutomation) {
1159 y = (y - alist->get_min_y()) / (double)(alist->get_max_y()- alist->get_min_y());
1161 y = y / (double)alist->parameter().max(); /* ... like this */
1164 x = _time_converter->to (x) - _offset;
1167 /** Called when our list has announced that its interpolation style has changed */
1169 AutomationLine::interpolation_changed (AutomationList::InterpolationStyle style)
1171 if (style == AutomationList::Discrete) {
1172 set_visibility (ControlPoints);
1175 set_visibility (Line);
1180 AutomationLine::add_visible_control_point (uint32_t view_index, uint32_t pi, double tx, double ty,
1181 AutomationList::iterator model, uint32_t npoints)
1183 ControlPoint::ShapeType shape;
1185 if (view_index >= control_points.size()) {
1187 /* make sure we have enough control points */
1189 ControlPoint* ncp = new ControlPoint (*this);
1190 ncp->set_size (control_point_box_size ());
1192 control_points.push_back (ncp);
1195 if (!terminal_points_can_slide) {
1197 control_points[view_index]->set_can_slide (false);
1199 shape = ControlPoint::Start;
1201 shape = ControlPoint::Full;
1203 } else if (pi == npoints - 1) {
1204 control_points[view_index]->set_can_slide (false);
1205 shape = ControlPoint::End;
1207 control_points[view_index]->set_can_slide (true);
1208 shape = ControlPoint::Full;
1211 control_points[view_index]->set_can_slide (true);
1212 shape = ControlPoint::Full;
1215 control_points[view_index]->reset (tx, ty, model, view_index, shape);
1217 /* finally, control visibility */
1219 if (_visible & ControlPoints) {
1220 control_points[view_index]->show ();
1222 control_points[view_index]->hide ();
1227 AutomationLine::connect_to_list ()
1229 _list_connections.drop_connections ();
1231 alist->StateChanged.connect (_list_connections, invalidator (*this), boost::bind (&AutomationLine::list_changed, this), gui_context());
1233 alist->InterpolationChanged.connect (
1234 _list_connections, invalidator (*this), boost::bind (&AutomationLine::interpolation_changed, this, _1), gui_context()
1238 MementoCommandBinder<AutomationList>*
1239 AutomationLine::memento_command_binder ()
1241 return new SimpleMementoCommandBinder<AutomationList> (*alist.get());
1244 /** Set the maximum time that points on this line can be at, relative
1245 * to the start of the track or region that it is on.
1248 AutomationLine::set_maximum_time (framecnt_t t)
1250 if (_maximum_time == t) {
1259 /** @return min and max x positions of points that are in the list, in session frames */
1260 pair<framepos_t, framepos_t>
1261 AutomationLine::get_point_x_range () const
1263 pair<framepos_t, framepos_t> r (max_framepos, 0);
1265 for (AutomationList::const_iterator i = the_list()->begin(); i != the_list()->end(); ++i) {
1266 r.first = min (r.first, session_position (i));
1267 r.second = max (r.second, session_position (i));
1274 AutomationLine::session_position (AutomationList::const_iterator p) const
1276 return _time_converter->to ((*p)->when) + _offset + _time_converter->origin_b ();
1280 AutomationLine::set_offset (framepos_t off)
1282 if (_offset == off) {