2 Copyright (C) 2000-2007 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.
21 #include <gtkmm2ext/barcontroller.h>
22 #include <gtkmm2ext/utils.h>
23 #include <boost/algorithm/string.hpp>
24 #include <boost/lexical_cast.hpp>
26 #include "pbd/memento_command.h"
27 #include "pbd/stacktrace.h"
29 #include "ardour/automation_control.h"
30 #include "ardour/event_type_map.h"
31 #include "ardour/route.h"
32 #include "ardour/session.h"
34 #include "canvas/debug.h"
36 #include "ardour_ui.h"
37 #include "automation_time_axis.h"
38 #include "automation_streamview.h"
39 #include "global_signals.h"
40 #include "gui_thread.h"
41 #include "route_time_axis.h"
42 #include "automation_line.h"
43 #include "public_editor.h"
44 #include "selection.h"
45 #include "rgb_macros.h"
46 #include "point_selection.h"
47 #include "control_point.h"
53 using namespace ARDOUR;
54 using namespace ARDOUR_UI_UTILS;
57 using namespace Gtkmm2ext;
58 using namespace Editing;
60 Pango::FontDescription AutomationTimeAxisView::name_font;
61 bool AutomationTimeAxisView::have_name_font = false;
64 /** \a a the automatable object this time axis is to display data for.
65 * For route/track automation (e.g. gain) pass the route for both \r and \a.
66 * For route child (e.g. plugin) automation, pass the child for \a.
67 * For region automation (e.g. MIDI CC), pass null for \a.
69 AutomationTimeAxisView::AutomationTimeAxisView (
71 boost::shared_ptr<Route> r,
72 boost::shared_ptr<Automatable> a,
73 boost::shared_ptr<AutomationControl> c,
78 ArdourCanvas::Canvas& canvas,
80 const string & nomparent
83 , TimeAxisView (s, e, &parent, canvas)
88 , _base_rect (new ArdourCanvas::Rectangle (_canvas_display))
90 , _view (show_regions ? new AutomationStreamView (*this) : 0)
91 , auto_button (X_("")) /* force addition of a label */
92 , _show_regions (show_regions)
95 CANVAS_DEBUG_NAME (_canvas_display, string_compose ("main for auto %2/%1", _name, r->name()));
96 CANVAS_DEBUG_NAME (selection_group, string_compose ("selections for auto %2/%1", _name, r->name()));
97 CANVAS_DEBUG_NAME (_ghost_group, string_compose ("ghosts for auto %2/%1", _name, r->name()));
99 if (!have_name_font) {
100 name_font = get_font_for_style (X_("AutomationTrackName"));
101 have_name_font = true;
104 if (_automatable && _control) {
105 _controller = AutomationController::create (_automatable, _control->parameter(), _control);
113 mode_discrete_item = 0;
116 ignore_state_request = false;
117 first_call_to_set_height = true;
119 CANVAS_DEBUG_NAME (_base_rect, string_compose ("base rect for %1", _name));
120 _base_rect->set_x1 (ArdourCanvas::COORD_MAX);
121 _base_rect->set_outline_color (ARDOUR_UI::config()->get_canvasvar_AutomationTrackOutline());
122 _base_rect->set_outline_what (ArdourCanvas::Rectangle::BOTTOM);
123 _base_rect->set_fill_color (ARDOUR_UI::config()->get_canvasvar_AutomationTrackFill());
124 _base_rect->set_data ("trackview", this);
125 _base_rect->Event.connect (sigc::bind (sigc::mem_fun (_editor, &PublicEditor::canvas_automation_track_event), _base_rect, this));
127 _base_rect->lower_to_bottom();
130 hide_button.add (*(manage (new Gtk::Image (::get_icon("hide")))));
132 auto_button.set_name ("TrackVisualButton");
133 hide_button.set_name ("TrackRemoveButton");
135 auto_button.unset_flags (Gtk::CAN_FOCUS);
136 hide_button.unset_flags (Gtk::CAN_FOCUS);
138 controls_table.set_no_show_all();
140 ARDOUR_UI::instance()->set_tip(auto_button, _("automation state"));
141 ARDOUR_UI::instance()->set_tip(hide_button, _("hide track"));
143 const string str = gui_property ("height");
145 set_height (atoi (str));
147 set_height (preset_height (HeightNormal));
150 /* repack the name label */
152 if (name_label.get_parent()) {
153 name_label.get_parent()->remove (name_label);
156 name_label.set_text (_name);
157 name_label.set_alignment (Gtk::ALIGN_CENTER, Gtk::ALIGN_CENTER);
158 name_label.set_name (X_("TrackParameterName"));
159 name_label.set_ellipsize (Pango::ELLIPSIZE_END);
161 string tipname = nomparent;
162 if (!tipname.empty()) {
166 ARDOUR_UI::instance()->set_tip(controls_ebox, tipname);
168 /* add the buttons */
169 controls_table.attach (hide_button, 0, 1, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
170 controls_table.attach (name_label, 0, 6, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
171 controls_table.attach (auto_button, 6, 8, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
176 _controller.get()->set_size_request(-1, 24);
177 /* add bar controller */
178 controls_table.attach (*_controller.get(), 1, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
179 /* note that this handler connects *before* the default handler */
180 _controller->event_widget().signal_scroll_event().connect (mem_fun (*this, &AutomationTimeAxisView::controls_ebox_scroll), false);
183 controls_table.show_all ();
185 hide_button.signal_clicked().connect (sigc::mem_fun(*this, &AutomationTimeAxisView::hide_clicked));
186 auto_button.signal_clicked().connect (sigc::mem_fun(*this, &AutomationTimeAxisView::auto_clicked));
188 controls_base_selected_name = X_("AutomationTrackControlsBaseSelected");
189 controls_base_unselected_name = X_("AutomationTrackControlsBase");
190 controls_ebox.set_name (controls_base_unselected_name);
192 /* ask for notifications of any new RegionViews */
200 /* no regions, just a single line for the entire track (e.g. bus gain) */
204 boost::shared_ptr<AutomationLine> line (
206 ARDOUR::EventTypeMap::instance().to_symbol(_parameter),
213 line->set_line_color (ARDOUR_UI::config()->get_canvasvar_ProcessorAutomationLine());
214 line->queue_reset ();
218 /* make sure labels etc. are correct */
220 automation_state_changed ();
221 ColorsChanged.connect (sigc::mem_fun (*this, &AutomationTimeAxisView::color_handler));
223 _route->DropReferences.connect (
224 _route_connections, invalidator (*this), boost::bind (&AutomationTimeAxisView::route_going_away, this), gui_context ()
228 AutomationTimeAxisView::~AutomationTimeAxisView ()
234 AutomationTimeAxisView::route_going_away ()
240 AutomationTimeAxisView::auto_clicked ()
242 using namespace Menu_Helpers;
244 if (automation_menu == 0) {
245 automation_menu = manage (new Menu);
246 automation_menu->set_name ("ArdourContextMenu");
247 MenuList& items (automation_menu->items());
249 items.push_back (MenuElem (S_("Automation|Manual"), sigc::bind (sigc::mem_fun(*this,
250 &AutomationTimeAxisView::set_automation_state), (AutoState) ARDOUR::Off)));
251 items.push_back (MenuElem (_("Play"), sigc::bind (sigc::mem_fun(*this,
252 &AutomationTimeAxisView::set_automation_state), (AutoState) Play)));
253 items.push_back (MenuElem (_("Write"), sigc::bind (sigc::mem_fun(*this,
254 &AutomationTimeAxisView::set_automation_state), (AutoState) Write)));
255 items.push_back (MenuElem (_("Touch"), sigc::bind (sigc::mem_fun(*this,
256 &AutomationTimeAxisView::set_automation_state), (AutoState) Touch)));
259 automation_menu->popup (1, gtk_get_current_event_time());
263 AutomationTimeAxisView::set_automation_state (AutoState state)
265 if (ignore_state_request) {
270 _automatable->set_parameter_automation_state (_parameter, state);
274 _view->set_automation_state (state);
276 /* AutomationStreamViews don't signal when their automation state changes, so handle
277 our updates `manually'.
279 automation_state_changed ();
284 AutomationTimeAxisView::automation_state_changed ()
288 /* update button label */
291 state = _view->automation_state ();
294 state = _control->alist()->automation_state ();
299 switch (state & (ARDOUR::Off|Play|Touch|Write)) {
301 auto_button.set_label (S_("Automation|Manual"));
303 ignore_state_request = true;
304 auto_off_item->set_active (true);
305 auto_play_item->set_active (false);
306 auto_touch_item->set_active (false);
307 auto_write_item->set_active (false);
308 ignore_state_request = false;
312 auto_button.set_label (_("Play"));
313 if (auto_play_item) {
314 ignore_state_request = true;
315 auto_play_item->set_active (true);
316 auto_off_item->set_active (false);
317 auto_touch_item->set_active (false);
318 auto_write_item->set_active (false);
319 ignore_state_request = false;
323 auto_button.set_label (_("Write"));
324 if (auto_write_item) {
325 ignore_state_request = true;
326 auto_write_item->set_active (true);
327 auto_off_item->set_active (false);
328 auto_play_item->set_active (false);
329 auto_touch_item->set_active (false);
330 ignore_state_request = false;
334 auto_button.set_label (_("Touch"));
335 if (auto_touch_item) {
336 ignore_state_request = true;
337 auto_touch_item->set_active (true);
338 auto_off_item->set_active (false);
339 auto_play_item->set_active (false);
340 auto_write_item->set_active (false);
341 ignore_state_request = false;
345 auto_button.set_label (_("???"));
350 /** The interpolation style of our AutomationList has changed, so update */
352 AutomationTimeAxisView::interpolation_changed (AutomationList::InterpolationStyle s)
354 if (mode_line_item && mode_discrete_item) {
355 if (s == AutomationList::Discrete) {
356 mode_discrete_item->set_active(true);
357 mode_line_item->set_active(false);
359 mode_line_item->set_active(true);
360 mode_discrete_item->set_active(false);
365 /** A menu item has been selected to change our interpolation mode */
367 AutomationTimeAxisView::set_interpolation (AutomationList::InterpolationStyle style)
369 /* Tell our view's list, if we have one, otherwise tell our own.
370 * Everything else will be signalled back from that.
374 _view->set_interpolation (style);
377 _control->list()->set_interpolation (style);
382 AutomationTimeAxisView::clear_clicked ()
384 assert (_line || _view);
386 _session->begin_reversible_command (_("clear automation"));
394 _session->commit_reversible_command ();
395 _session->set_dirty ();
399 AutomationTimeAxisView::set_height (uint32_t h)
401 bool const changed = (height != (uint32_t) h) || first_call_to_set_height;
402 uint32_t const normal = preset_height (HeightNormal);
403 bool const changed_between_small_and_normal = ( (height < normal && h >= normal) || (height >= normal || h < normal) );
405 TimeAxisView::set_height (h);
407 _base_rect->set_y1 (h);
410 _line->set_height(h);
414 _view->set_height(h);
415 _view->update_contents_height();
418 if (changed_between_small_and_normal || first_call_to_set_height) {
420 first_call_to_set_height = false;
422 if (h >= preset_height (HeightNormal)) {
424 hide_button.show_all();
426 } else if (h >= preset_height (HeightSmall)) {
427 controls_table.hide_all ();
433 if (_canvas_display->visible() && _route) {
434 /* only emit the signal if the height really changed and we were visible */
435 _route->gui_changed ("visible_tracks", (void *) 0); /* EMIT_SIGNAL */
441 AutomationTimeAxisView::set_samples_per_pixel (double fpp)
443 TimeAxisView::set_samples_per_pixel (fpp);
450 _view->set_samples_per_pixel (fpp);
455 AutomationTimeAxisView::hide_clicked ()
457 hide_button.set_sensitive(false);
458 set_marked_for_display (false);
459 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(parent);
461 rtv->request_redraw ();
463 hide_button.set_sensitive(true);
467 AutomationTimeAxisView::build_display_menu ()
469 using namespace Menu_Helpers;
473 TimeAxisView::build_display_menu ();
475 /* now fill it with our stuff */
477 MenuList& items = display_menu->items();
479 items.push_back (MenuElem (_("Hide"), sigc::mem_fun(*this, &AutomationTimeAxisView::hide_clicked)));
480 items.push_back (SeparatorElem());
481 items.push_back (MenuElem (_("Clear"), sigc::mem_fun(*this, &AutomationTimeAxisView::clear_clicked)));
482 items.push_back (SeparatorElem());
486 Menu* auto_state_menu = manage (new Menu);
487 auto_state_menu->set_name ("ArdourContextMenu");
488 MenuList& as_items = auto_state_menu->items();
490 as_items.push_back (CheckMenuElem (S_("Automation|Manual"), sigc::bind (
491 sigc::mem_fun(*this, &AutomationTimeAxisView::set_automation_state),
492 (AutoState) ARDOUR::Off)));
493 auto_off_item = dynamic_cast<Gtk::CheckMenuItem*>(&as_items.back());
495 as_items.push_back (CheckMenuElem (_("Play"), sigc::bind (
496 sigc::mem_fun(*this, &AutomationTimeAxisView::set_automation_state),
498 auto_play_item = dynamic_cast<Gtk::CheckMenuItem*>(&as_items.back());
500 as_items.push_back (CheckMenuElem (_("Write"), sigc::bind (
501 sigc::mem_fun(*this, &AutomationTimeAxisView::set_automation_state),
502 (AutoState) Write)));
503 auto_write_item = dynamic_cast<Gtk::CheckMenuItem*>(&as_items.back());
505 as_items.push_back (CheckMenuElem (_("Touch"), sigc::bind (
506 sigc::mem_fun(*this, &AutomationTimeAxisView::set_automation_state),
507 (AutoState) Touch)));
508 auto_touch_item = dynamic_cast<Gtk::CheckMenuItem*>(&as_items.back());
510 items.push_back (MenuElem (_("State"), *auto_state_menu));
514 /* current interpolation state */
515 AutomationList::InterpolationStyle const s = _view ? _view->interpolation() : _control->list()->interpolation ();
517 if (EventTypeMap::instance().is_midi_parameter(_parameter)) {
519 Menu* auto_mode_menu = manage (new Menu);
520 auto_mode_menu->set_name ("ArdourContextMenu");
521 MenuList& am_items = auto_mode_menu->items();
523 RadioMenuItem::Group group;
525 am_items.push_back (RadioMenuElem (group, _("Discrete"), sigc::bind (
526 sigc::mem_fun(*this, &AutomationTimeAxisView::set_interpolation),
527 AutomationList::Discrete)));
528 mode_discrete_item = dynamic_cast<Gtk::CheckMenuItem*>(&am_items.back());
529 mode_discrete_item->set_active (s == AutomationList::Discrete);
531 am_items.push_back (RadioMenuElem (group, _("Linear"), sigc::bind (
532 sigc::mem_fun(*this, &AutomationTimeAxisView::set_interpolation),
533 AutomationList::Linear)));
534 mode_line_item = dynamic_cast<Gtk::CheckMenuItem*>(&am_items.back());
535 mode_line_item->set_active (s == AutomationList::Linear);
537 items.push_back (MenuElem (_("Mode"), *auto_mode_menu));
540 /* make sure the automation menu state is correct */
542 automation_state_changed ();
543 interpolation_changed (s);
547 AutomationTimeAxisView::add_automation_event (GdkEvent* event, framepos_t when, double y, bool with_guard_points)
553 boost::shared_ptr<AutomationList> list = _line->the_list ();
555 if (list->in_write_pass()) {
556 /* do not allow the GUI to add automation events during an
557 automation write pass.
564 _canvas_display->canvas_to_item (x, y);
566 /* compute vertical fractional position */
568 y = 1.0 - (y / height);
572 _line->view_to_model_coord (x, y);
575 _editor.snap_to_with_modifier (when, event);
577 _session->begin_reversible_command (_("add automation event"));
578 XMLNode& before = list->get_state();
580 list->add (when, y, with_guard_points);
582 XMLNode& after = list->get_state();
583 _session->commit_reversible_command (new MementoCommand<ARDOUR::AutomationList> (*list, &before, &after));
584 _session->set_dirty ();
587 /** Paste a selection.
588 * @param pos Position to paste to (session frames).
589 * @param times Number of times to paste.
590 * @param selection Selection to paste.
591 * @param nth Index of the AutomationList within the selection to paste from.
594 AutomationTimeAxisView::paste (framepos_t pos, float times, Selection& selection, size_t nth)
596 boost::shared_ptr<AutomationLine> line;
601 line = _view->paste_line (pos);
608 return paste_one (*line, pos, times, selection, nth);
612 AutomationTimeAxisView::paste_one (AutomationLine& line, framepos_t pos, float times, Selection& selection, size_t nth)
614 AutomationSelection::iterator p;
615 boost::shared_ptr<AutomationList> alist(line.the_list());
617 if (_session->transport_rolling() && alist->automation_write()) {
618 /* do not paste if this control is in write mode and we're rolling */
622 for (p = selection.lines.begin(); p != selection.lines.end() && nth; ++p, --nth) {}
624 if (p == selection.lines.end()) {
628 double const model_pos = line.time_converter().from (pos - line.time_converter().origin_b ());
630 XMLNode &before = alist->get_state();
631 alist->paste (**p, model_pos, times);
632 _session->add_command (new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
638 AutomationTimeAxisView::get_selectables (framepos_t start, framepos_t end, double top, double bot, list<Selectable*>& results)
640 if (!_line && !_view) {
644 if (touched (top, bot)) {
646 /* remember: this is X Window - coordinate space starts in upper left and moves down.
647 _y_position is the "origin" or "top" of the track.
650 /* bottom of our track */
651 double const mybot = _y_position + height;
656 if (_y_position >= top && mybot <= bot) {
658 /* _y_position is below top, mybot is above bot, so we're fully
667 /* top and bot are within _y_position .. mybot */
669 topfrac = 1.0 - ((top - _y_position) / height);
670 botfrac = 1.0 - ((bot - _y_position) / height);
675 _line->get_selectables (start, end, botfrac, topfrac, results);
677 _view->get_selectables (start, end, botfrac, topfrac, results);
683 AutomationTimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& result)
686 _line->get_inverted_selectables (sel, result);
691 AutomationTimeAxisView::set_selected_points (PointSelection& points)
694 _line->set_selected_points (points);
696 _view->set_selected_points (points);
701 AutomationTimeAxisView::clear_lines ()
704 _list_connections.drop_connections ();
708 AutomationTimeAxisView::add_line (boost::shared_ptr<AutomationLine> line)
710 if (_control && line) {
711 assert(line->the_list() == _control->list());
713 _control->alist()->automation_state_changed.connect (
714 _list_connections, invalidator (*this), boost::bind (&AutomationTimeAxisView::automation_state_changed, this), gui_context()
717 _control->alist()->InterpolationChanged.connect (
718 _list_connections, invalidator (*this), boost::bind (&AutomationTimeAxisView::interpolation_changed, this, _1), gui_context()
724 line->set_height (height);
726 /* pick up the current state */
727 automation_state_changed ();
729 line->add_visibility (AutomationLine::Line);
733 AutomationTimeAxisView::entered()
736 _line->track_entered();
741 AutomationTimeAxisView::exited ()
744 _line->track_exited();
749 AutomationTimeAxisView::color_handler ()
757 AutomationTimeAxisView::set_state_2X (const XMLNode& node, int /*version*/)
759 if (node.name() == X_("gain") && _parameter == Evoral::Parameter (GainAutomation)) {
760 XMLProperty const * shown = node.property (X_("shown"));
762 bool yn = string_is_affirmative (shown->value ());
764 _canvas_display->show (); /* FIXME: necessary? show_at? */
766 set_gui_property ("visible", yn);
768 set_gui_property ("visible", false);
776 AutomationTimeAxisView::set_state (const XMLNode&, int /*version*/)
782 AutomationTimeAxisView::what_has_visible_automation (const boost::shared_ptr<Automatable>& automatable, set<Evoral::Parameter>& visible)
784 /* this keeps "knowledge" of how we store visibility information
785 in XML private to this class.
788 assert (automatable);
790 Automatable::Controls& controls (automatable->controls());
792 for (Automatable::Controls::iterator i = controls.begin(); i != controls.end(); ++i) {
794 boost::shared_ptr<AutomationControl> ac = boost::dynamic_pointer_cast<AutomationControl> (i->second);
798 const XMLNode* gui_node = ac->extra_xml ("GUI");
801 const XMLProperty* prop = gui_node->property ("shown");
803 if (string_is_affirmative (prop->value())) {
804 visible.insert (i->first);
813 /** @return true if this view has any automation data to display */
815 AutomationTimeAxisView::has_automation () const
817 return ( (_line && _line->npoints() > 0) || (_view && _view->has_automation()) );
820 list<boost::shared_ptr<AutomationLine> >
821 AutomationTimeAxisView::lines () const
823 list<boost::shared_ptr<AutomationLine> > lines;
826 lines.push_back (_line);
828 lines = _view->get_lines ();
835 AutomationTimeAxisView::state_id() const
838 return string_compose ("automation %1", _control->id().to_s());
841 return string_compose ("automation %1 %2/%3/%4",
845 (int) _parameter.channel());
849 /** Given a state id string, see if it is one generated by
850 * this class. If so, parse it into its components.
851 * @param state_id State ID string to parse.
852 * @param route_id Filled in with the route's ID if the state ID string is parsed.
853 * @param has_parameter Filled in with true if the state ID has a parameter, otherwise false.
854 * @param parameter Filled in with the state ID's parameter, if it has one.
855 * @return true if this is a state ID generated by this class, otherwise false.
859 AutomationTimeAxisView::parse_state_id (
860 string const & state_id,
862 bool & has_parameter,
863 Evoral::Parameter & parameter)
871 if (a != X_("automation")) {
875 route_id = PBD::ID (b);
878 has_parameter = false;
882 has_parameter = true;
885 boost::split (p, c, boost::is_any_of ("/"));
887 assert (p.size() == 3);
889 parameter = Evoral::Parameter (
890 boost::lexical_cast<int> (p[0]),
891 boost::lexical_cast<int> (p[2]),
892 boost::lexical_cast<int> (p[1])
899 AutomationTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
901 list<boost::shared_ptr<AutomationLine> > lines;
903 lines.push_back (_line);
905 lines = _view->get_lines ();
908 for (list<boost::shared_ptr<AutomationLine> >::iterator i = lines.begin(); i != lines.end(); ++i) {
909 cut_copy_clear_one (**i, selection, op);
914 AutomationTimeAxisView::cut_copy_clear_one (AutomationLine& line, Selection& selection, CutCopyOp op)
916 boost::shared_ptr<Evoral::ControlList> what_we_got;
917 boost::shared_ptr<AutomationList> alist (line.the_list());
919 XMLNode &before = alist->get_state();
921 /* convert time selection to automation list model coordinates */
922 const Evoral::TimeConverter<double, ARDOUR::framepos_t>& tc = line.time_converter ();
923 double const start = tc.from (selection.time.front().start - tc.origin_b ());
924 double const end = tc.from (selection.time.front().end - tc.origin_b ());
928 if (alist->cut (start, end) != 0) {
929 _session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
935 if ((what_we_got = alist->cut (start, end)) != 0) {
936 _editor.get_cut_buffer().add (what_we_got);
937 _session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
941 if ((what_we_got = alist->copy (start, end)) != 0) {
942 _editor.get_cut_buffer().add (what_we_got);
947 if ((what_we_got = alist->cut (start, end)) != 0) {
948 _session->add_command(new MementoCommand<AutomationList>(*alist.get(), &before, &alist->get_state()));
954 for (AutomationList::iterator x = what_we_got->begin(); x != what_we_got->end(); ++x) {
955 double when = (*x)->when;
956 double val = (*x)->value;
957 line.model_to_view_coord (when, val);