gtk2_ardour/audio_time_axis.cc

   1 /*
   2     Copyright (C) 2000 Paul Davis
   3
   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.
   8
   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.
  13
  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.
  17
  18     $Id$
  19 */
  20
  21 #include <cstdlib>
  22 #include <cmath>
  23
  24 #include <algorithm>
  25 #include <string>
  26 #include <vector>
  27
  28 #include <sigc++/bind.h>
  29
  30 #include <pbd/error.h>
  31 #include <pbd/stl_delete.h>
  32 #include <pbd/whitespace.h>
  33
  34 #include <gtkmm2ext/bindable_button.h>
  35 #include <gtkmm2ext/gtk_ui.h>
  36 #include <gtkmm2ext/selector.h>
  37 #include <gtkmm2ext/stop_signal.h>
  38 #include <gtkmm2ext/utils.h>
  39
  40 #include <ardour/audioplaylist.h>
  41 #include <ardour/diskstream.h>
  42 #include <ardour/insert.h>
  43 #include <ardour/ladspa_plugin.h>
  44 #include <ardour/location.h>
  45 #include <ardour/panner.h>
  46 #include <ardour/playlist.h>
  47 #include <ardour/session.h>
  48 #include <ardour/session_playlist.h>
  49 #include <ardour/utils.h>
  50
  51 #include "ardour_ui.h"
  52 #include "audio_time_axis.h"
  53 #include "automation_gain_line.h"
  54 #include "automation_pan_line.h"
  55 #include "automation_time_axis.h"
  56 #include "canvas_impl.h"
  57 #include "crossfade_view.h"
  58 #include "enums.h"
  59 #include "gain_automation_time_axis.h"
  60 #include "gui_thread.h"
  61 #include "keyboard.h"
  62 #include "pan_automation_time_axis.h"
  63 #include "playlist_selector.h"
  64 #include "plugin_selector.h"
  65 #include "plugin_ui.h"
  66 #include "point_selection.h"
  67 #include "prompter.h"
  68 #include "public_editor.h"
  69 #include "redirect_automation_line.h"
  70 #include "redirect_automation_time_axis.h"
  71 #include "regionview.h"
  72 #include "rgb_macros.h"
  73 #include "selection.h"
  74 #include "simplerect.h"
  75 #include "streamview.h"
  76 #include "utils.h"
  77
  78 #include <ardour/audio_track.h>
  79
  80 #include "i18n.h"
  81
  82 using namespace ARDOUR;
  83 using namespace LADSPA;
  84 using namespace Gtk;
  85 using namespace Editing;
  86
  87
  88 AudioTimeAxisView::AudioTimeAxisView (PublicEditor& ed, Session& sess, Route& rt, Canvas& canvas)
  89         : AxisView(sess),
  90           RouteUI(rt, sess, _("m"), _("s"), _("r")), // mute, solo, and record
  91           TimeAxisView(sess,ed,(TimeAxisView*) 0, canvas),
  92           parent_canvas (canvas),
  93           button_table (3, 3),
  94           edit_group_button (_("g")), // group
  95           playlist_button (_("p")),
  96           size_button (_("h")), // height
  97           automation_button (_("a")),
  98           visual_button (_("v"))
  99
 100 {
 101         _has_state = true;
 102         subplugin_menu.set_name ("ArdourContextMenu");
 103         playlist_menu = 0;
 104         playlist_action_menu = 0;
 105         automation_action_menu = 0;
 106         gain_track = 0;
 107         pan_track = 0;
 108         view = 0;
 109         timestretch_rect = 0;
 110         waveform_item = 0;
 111         pan_automation_item = 0;
 112         gain_automation_item = 0;
 113         no_redraw = false;
 114
 115         view = new StreamView (*this);
 116
 117         add_gain_automation_child ();
 118         add_pan_automation_child ();
 119
 120         ignore_toggle = false;
 121
 122         rec_enable_button->set_active (false);
 123         mute_button->set_active (false);
 124         solo_button->set_active (false);
 125
 126         rec_enable_button->set_name ("TrackRecordEnableButton");
 127         mute_button->set_name ("TrackMuteButton");
 128         solo_button->set_name ("SoloButton");
 129         edit_group_button.set_name ("TrackGroupButton");
 130         playlist_button.set_name ("TrackPlaylistButton");
 131         automation_button.set_name ("TrackAutomationButton");
 132         size_button.set_name ("TrackSizeButton");
 133         visual_button.set_name ("TrackVisualButton");
 134         hide_button.set_name ("TrackRemoveButton");
 135
 136         hide_button.add (*(manage (new Image (get_xpm("small_x.xpm")))));
 137
 138         _route.mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed));
 139         _route.solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 140         _route.solo_safe_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 141
 142         _route.panner().Changed.connect (mem_fun(*this, &AudioTimeAxisView::update_pans));
 143
 144         solo_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::solo_press));
 145         solo_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::solo_release));
 146         mute_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::mute_press));
 147         mute_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::mute_release));
 148         rec_enable_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::rec_enable_press));
 149         edit_group_button.signal_button_release_event().connect (mem_fun(*this, &AudioTimeAxisView::edit_click), false);
 150         playlist_button.signal_clicked().connect (mem_fun(*this, &AudioTimeAxisView::playlist_click));
 151         automation_button.signal_clicked().connect (mem_fun(*this, &AudioTimeAxisView::automation_click));
 152         size_button.signal_button_release_event().connect (mem_fun(*this, &AudioTimeAxisView::size_click), false);
 153         visual_button.signal_clicked().connect (mem_fun(*this, &AudioTimeAxisView::visual_click));
 154         hide_button.signal_clicked().connect (mem_fun(*this, &AudioTimeAxisView::hide_click));
 155
 156         if (is_audio_track()) {
 157                 controls_table.attach (*rec_enable_button, 5, 6, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 158         }
 159         controls_table.attach (*mute_button, 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 160         controls_table.attach (*solo_button, 7, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::FILL|Gtk::EXPAND, 0, 0);
 161
 162         controls_table.attach (edit_group_button, 6, 7, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 163
 164         ARDOUR_UI::instance()->tooltips().set_tip(*rec_enable_button, _("Record"));
 165         ARDOUR_UI::instance()->tooltips().set_tip(*solo_button,_("Solo"));
 166         ARDOUR_UI::instance()->tooltips().set_tip(*mute_button,_("Mute"));
 167         ARDOUR_UI::instance()->tooltips().set_tip(edit_group_button,_("Edit Group"));
 168         ARDOUR_UI::instance()->tooltips().set_tip(size_button,_("Display Height"));
 169         ARDOUR_UI::instance()->tooltips().set_tip(playlist_button,_("Playlist"));
 170         ARDOUR_UI::instance()->tooltips().set_tip(automation_button, _("Automation"));
 171         ARDOUR_UI::instance()->tooltips().set_tip(visual_button, _("Visual options"));
 172         ARDOUR_UI::instance()->tooltips().set_tip(hide_button, _("Hide this track"));
 173
 174         label_view ();
 175
 176         controls_table.attach (hide_button, 0, 1, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 177         controls_table.attach (visual_button, 1, 2, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 178         controls_table.attach (size_button, 2, 3, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 179         controls_table.attach (automation_button, 3, 4, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 180
 181         if (is_audio_track() && audio_track()->mode() == ARDOUR::Normal) {
 182                 controls_table.attach (playlist_button, 5, 6, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 183         }
 184
 185         /* remove focus from the buttons */
 186
 187         automation_button.unset_flags (Gtk::CAN_FOCUS);
 188         solo_button->unset_flags (Gtk::CAN_FOCUS);
 189         mute_button->unset_flags (Gtk::CAN_FOCUS);
 190         edit_group_button.unset_flags (Gtk::CAN_FOCUS);
 191         size_button.unset_flags (Gtk::CAN_FOCUS);
 192         playlist_button.unset_flags (Gtk::CAN_FOCUS);
 193         hide_button.unset_flags (Gtk::CAN_FOCUS);
 194         visual_button.unset_flags (Gtk::CAN_FOCUS);
 195
 196         /* map current state of the route */
 197
 198         update_diskstream_display ();
 199         solo_changed(0);
 200         mute_changed(0);
 201         redirects_changed (0);
 202         reset_redirect_automation_curves ();
 203         y_position = -1;
 204
 205         ensure_xml_node ();
 206
 207         set_state (*xml_node);
 208
 209         _route.mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed));
 210         _route.solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 211         _route.redirects_changed.connect (mem_fun(*this, &AudioTimeAxisView::redirects_changed));
 212
 213         _route.name_changed.connect (mem_fun(*this, &AudioTimeAxisView::route_name_changed));
 214
 215         if (is_audio_track()) {
 216
 217                 /* track */
 218
 219                 audio_track()->FreezeChange.connect (mem_fun(*this, &AudioTimeAxisView::map_frozen));
 220
 221                 audio_track()->diskstream_changed.connect (mem_fun(*this, &AudioTimeAxisView::diskstream_changed));
 222                 get_diskstream()->speed_changed.connect (mem_fun(*this, &AudioTimeAxisView::speed_changed));
 223
 224                 controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
 225                 controls_base_selected_name = "AudioTrackControlsBaseSelected";
 226                 controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 227
 228                 /* ask for notifications of any new RegionViews */
 229
 230                 view->AudioRegionViewAdded.connect (mem_fun(*this, &AudioTimeAxisView::region_view_added));
 231
 232                 view->attach ();
 233
 234                 /* pick up the correct freeze state */
 235
 236                 map_frozen ();
 237
 238         } else {
 239
 240                 /* bus */
 241
 242                 controls_ebox.set_name ("BusControlsBaseUnselected");
 243                 controls_base_selected_name = "BusControlsBaseSelected";
 244                 controls_base_unselected_name = "BusControlsBaseUnselected";
 245         }
 246
 247         editor.ZoomChanged.connect (mem_fun(*this, &AudioTimeAxisView::reset_samples_per_unit));
 248         ColorChanged.connect (mem_fun (*this, &AudioTimeAxisView::color_handler));
 249 }
 250
 251 AudioTimeAxisView::~AudioTimeAxisView ()
 252 {
 253         GoingAway (); /* EMIT_SIGNAL */
 254
 255         if (playlist_menu) {
 256                 delete playlist_menu;
 257                 playlist_menu = 0;
 258         }
 259
 260         if (playlist_action_menu) {
 261                 delete playlist_action_menu;
 262                 playlist_action_menu = 0;
 263         }
 264
 265         vector_delete (&redirect_automation_curves);
 266
 267         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
 268                 delete *i;
 269         }
 270
 271         if (view) {
 272                 delete view;
 273                 view = 0;
 274         }
 275 }
 276
 277 guint32
 278 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 279 {
 280         ensure_xml_node ();
 281         xml_node->add_property ("shown_editor", "yes");
 282
 283         return TimeAxisView::show_at (y, nth, parent);
 284 }
 285
 286 void
 287 AudioTimeAxisView::hide ()
 288 {
 289         ensure_xml_node ();
 290         xml_node->add_property ("shown_editor", "no");
 291
 292         TimeAxisView::hide ();
 293 }
 294
 295 void
 296 AudioTimeAxisView::set_playlist (AudioPlaylist *newplaylist)
 297 {
 298         AudioPlaylist *pl;
 299
 300         modified_connection.disconnect ();
 301         state_changed_connection.disconnect ();
 302
 303         if ((pl = dynamic_cast<AudioPlaylist*> (playlist())) != 0) {
 304                 state_changed_connection = pl->StateChanged.connect (mem_fun(*this, &AudioTimeAxisView::playlist_state_changed));
 305                 modified_connection = pl->Modified.connect (mem_fun(*this, &AudioTimeAxisView::playlist_modified));
 306         }
 307 }
 308
 309 void
 310 AudioTimeAxisView::playlist_modified ()
 311 {
 312 }
 313
 314 gint
 315 AudioTimeAxisView::edit_click (GdkEventButton *ev)
 316 {
 317         if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 318                 _route.set_edit_group (0, this);
 319                 return FALSE;
 320         }
 321
 322         using namespace Menu_Helpers;
 323
 324         MenuList& items = edit_group_menu.items ();
 325         RadioMenuItem::Group group;
 326
 327         items.clear ();
 328         items.push_back (RadioMenuElem (group, _("No group"),
 329                                         bind (mem_fun(*this, &AudioTimeAxisView::set_edit_group_from_menu), (RouteGroup *) 0)));
 330
 331         if (_route.edit_group() == 0) {
 332                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
 333         }
 334
 335         _session.foreach_edit_group (bind (mem_fun (*this, &AudioTimeAxisView::add_edit_group_menu_item), &group));
 336         edit_group_menu.popup (ev->button, ev->time);
 337
 338         return FALSE;
 339 }
 340
 341 void
 342 AudioTimeAxisView::add_edit_group_menu_item (RouteGroup *eg, RadioMenuItem::Group* group)
 343 {
 344         using namespace Menu_Helpers;
 345
 346         MenuList &items = edit_group_menu.items();
 347
 348         items.push_back (RadioMenuElem (*group, eg->name(), bind (mem_fun(*this, &AudioTimeAxisView::set_edit_group_from_menu), eg)));
 349         if (_route.edit_group() == eg) {
 350                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
 351         }
 352 }
 353
 354 void
 355 AudioTimeAxisView::set_edit_group_from_menu (RouteGroup *eg)
 356
 357 {
 358         _route.set_edit_group (eg, this);
 359 }
 360
 361 void
 362 AudioTimeAxisView::playlist_state_changed (Change ignored)
 363 {
 364         // ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioTimeAxisView::playlist_state_changed), ignored));
 365         // why are we here ?
 366 }
 367
 368 void
 369 AudioTimeAxisView::playlist_changed ()
 370
 371 {
 372         label_view ();
 373
 374         if (is_audio_track()) {
 375                 set_playlist (get_diskstream()->playlist());
 376         }
 377 }
 378
 379 void
 380 AudioTimeAxisView::label_view ()
 381 {
 382         string x = _route.name();
 383
 384         if (x != name_entry.get_text()) {
 385                 name_entry.set_text (x);
 386         }
 387
 388         ARDOUR_UI::instance()->tooltips().set_tip (name_entry, x);
 389 }
 390
 391 void
 392 AudioTimeAxisView::route_name_changed (void *src)
 393 {
 394         editor.route_name_changed (this);
 395         label_view ();
 396 }
 397
 398 void
 399 AudioTimeAxisView::take_name_changed (void *src)
 400
 401 {
 402         if (src != this) {
 403                 label_view ();
 404         }
 405 }
 406
 407 void
 408 AudioTimeAxisView::playlist_click ()
 409 {
 410         // always build a new action menu
 411
 412         if (playlist_action_menu == 0) {
 413                 playlist_action_menu = new Menu;
 414                 playlist_action_menu->set_name ("ArdourContextMenu");
 415         }
 416
 417         build_playlist_menu(playlist_action_menu);
 418
 419         playlist_action_menu->popup (1, 0);
 420 }
 421
 422 void
 423 AudioTimeAxisView::automation_click ()
 424 {
 425         if (automation_action_menu == 0) {
 426                 /* this seems odd, but the automation action
 427                    menu is built as part of the display menu.
 428                 */
 429                 build_display_menu ();
 430         }
 431         automation_action_menu->popup (1, 0);
 432 }
 433
 434 void
 435 AudioTimeAxisView::show_timestretch (jack_nframes_t start, jack_nframes_t end)
 436 {
 437         double x1;
 438         double x2;
 439         double y2;
 440
 441         TimeAxisView::show_timestretch (start, end);
 442
 443         hide_timestretch ();
 444
 445 #if 0
 446         if (ts.empty()) {
 447                 return;
 448         }
 449
 450
 451         /* check that the time selection was made in our route, or our edit group.
 452            remember that edit_group() == 0 implies the route is *not* in a edit group.
 453         */
 454
 455         if (!(ts.track == this || (ts.group != 0 && ts.group == _route.edit_group()))) {
 456                 /* this doesn't apply to us */
 457                 return;
 458         }
 459
 460         /* ignore it if our edit group is not active */
 461
 462         if ((ts.track != this) && _route.edit_group() && !_route.edit_group()->is_active()) {
 463                 return;
 464         }
 465 #endif
 466
 467         if (timestretch_rect == 0) {
 468                 timestretch_rect = new SimpleRect (*canvas_display);
 469                 timestretch_rect->property_x1() =  0.0;
 470                 timestretch_rect->property_y1() =  0.0;
 471                 timestretch_rect->property_x2() =  0.0;
 472                 timestretch_rect->property_y2() =  0.0;
 473                 timestretch_rect->property_fill_color_rgba() =  color_map[cTimeStretchFill];
 474                 timestretch_rect->property_outline_color_rgba() = color_map[cTimeStretchOutline];
 475         }
 476
 477         timestretch_rect->show ();
 478         timestretch_rect->raise_to_top ();
 479
 480         x1 = start / editor.get_current_zoom();
 481         x2 = (end - 1) / editor.get_current_zoom();
 482         y2 = height - 2;
 483
 484         timestretch_rect->property_x1() = x1;
 485         timestretch_rect->property_y1() = 1.0;
 486         timestretch_rect->property_x2() = x2;
 487         timestretch_rect->property_y2() = y2;
 488 }
 489
 490 void
 491 AudioTimeAxisView::hide_timestretch ()
 492 {
 493         TimeAxisView::hide_timestretch ();
 494
 495         if (timestretch_rect) {
 496                 timestretch_rect->hide ();
 497         }
 498 }
 499
 500 void
 501 AudioTimeAxisView::show_selection (TimeSelection& ts)
 502 {
 503
 504 #if 0
 505         /* ignore it if our edit group is not active or if the selection was started
 506            in some other track or edit group (remember that edit_group() == 0 means
 507            that the track is not in an edit group).
 508         */
 509
 510         if (((ts.track != this && !is_child (ts.track)) && _route.edit_group() && !_route.edit_group()->is_active()) ||
 511             (!(ts.track == this || is_child (ts.track) || (ts.group != 0 && ts.group == _route.edit_group())))) {
 512                 hide_selection ();
 513                 return;
 514         }
 515 #endif
 516
 517         TimeAxisView::show_selection (ts);
 518 }
 519
 520 void
 521 AudioTimeAxisView::set_state (const XMLNode& node)
 522 {
 523         const XMLProperty *prop;
 524
 525         TimeAxisView::set_state (node);
 526
 527         if ((prop = node.property ("shown_editor")) != 0) {
 528                 if (prop->value() == "no") {
 529                         _marked_for_display = false;
 530                 } else {
 531                         _marked_for_display = true;
 532                 }
 533         } else {
 534                 _marked_for_display = true;
 535         }
 536
 537         XMLNodeList nlist = node.children();
 538         XMLNodeConstIterator niter;
 539         XMLNode *child_node;
 540
 541
 542         show_gain_automation = false;
 543         show_pan_automation  = false;
 544
 545         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 546                 child_node = *niter;
 547
 548                 if (child_node->name() == "gain") {
 549                         XMLProperty *prop=child_node->property ("shown");
 550
 551                         if (prop != 0) {
 552                                 if (prop->value() == "yes") {
 553                                         show_gain_automation = true;
 554                                 }
 555                         }
 556                         continue;
 557                 }
 558
 559                 if (child_node->name() == "pan") {
 560                         XMLProperty *prop=child_node->property ("shown");
 561
 562                         if (prop != 0) {
 563                                 if (prop->value() == "yes") {
 564                                         show_pan_automation = true;
 565                                 }
 566                         }
 567                         continue;
 568                 }
 569         }
 570 }
 571
 572 void
 573 AudioTimeAxisView::set_height (TrackHeight h)
 574 {
 575         bool height_changed = (h != height_style);
 576
 577         TimeAxisView::set_height (h);
 578
 579         ensure_xml_node ();
 580
 581         view->set_height ((double) height);
 582
 583         switch (height_style) {
 584         case Largest:
 585                 xml_node->add_property ("track_height", "largest");
 586                 show_name_entry ();
 587                 hide_name_label ();
 588                 controls_table.show_all();
 589                 break;
 590         case Large:
 591                 xml_node->add_property ("track_height", "large");
 592                 show_name_entry ();
 593                 hide_name_label ();
 594                 controls_table.show_all();
 595                 break;
 596         case Larger:
 597                 xml_node->add_property ("track_height", "larger");
 598                 show_name_entry ();
 599                 hide_name_label ();
 600                 controls_table.show_all();
 601                 break;
 602         case Normal:
 603                 xml_node->add_property ("track_height", "normal");
 604                 show_name_entry ();
 605                 hide_name_label ();
 606                 controls_table.show_all();
 607                 break;
 608         case Smaller:
 609                 xml_node->add_property ("track_height", "smaller");
 610                 controls_table.show_all ();
 611                 show_name_entry ();
 612                 hide_name_label ();
 613                 edit_group_button.hide ();
 614                 hide_button.hide ();
 615                 visual_button.hide ();
 616                 size_button.hide ();
 617                 automation_button.hide ();
 618                 playlist_button.hide ();
 619                 break;
 620         case Small:
 621                 xml_node->add_property ("track_height", "small");
 622                 controls_table.hide_all ();
 623                 controls_table.show ();
 624                 hide_name_entry ();
 625                 show_name_label ();
 626                 name_label.set_text (_route.name());
 627                 break;
 628         }
 629
 630         if (height_changed) {
 631                 /* only emit the signal if the height really changed */
 632                  _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 633         }
 634 }
 635
 636 void
 637 AudioTimeAxisView::select_track_color ()
 638 {
 639         if (RouteUI::choose_color ()) {
 640
 641                 if (view) {
 642                         view->apply_color (_color, StreamView::RegionColor);
 643                 }
 644         }
 645 }
 646
 647 void
 648 AudioTimeAxisView::reset_redirect_automation_curves ()
 649 {
 650         for (vector<RedirectAutomationLine*>::iterator i = redirect_automation_curves.begin(); i != redirect_automation_curves.end(); ++i) {
 651                 (*i)->reset();
 652         }
 653 }
 654
 655 void
 656 AudioTimeAxisView::reset_samples_per_unit ()
 657 {
 658         set_samples_per_unit (editor.get_current_zoom());
 659 }
 660
 661 void
 662 AudioTimeAxisView::set_samples_per_unit (double spu)
 663 {
 664         double speed = 1.0;
 665
 666         if (get_diskstream() != 0) {
 667                 speed = get_diskstream()->speed();
 668         }
 669
 670         if (view) {
 671                 view->set_samples_per_unit (spu * speed);
 672         }
 673
 674         TimeAxisView::set_samples_per_unit (spu * speed);
 675 }
 676
 677 void
 678 AudioTimeAxisView::build_display_menu ()
 679 {
 680         using namespace Menu_Helpers;
 681
 682         /* get the size menu ready */
 683
 684         build_size_menu ();
 685
 686         /* prepare it */
 687
 688         TimeAxisView::build_display_menu ();
 689
 690         /* now fill it with our stuff */
 691
 692         MenuList& items = display_menu->items();
 693         display_menu->set_name ("ArdourContextMenu");
 694
 695         items.push_back (MenuElem (_("Height"), *size_menu));
 696         items.push_back (MenuElem (_("Color"), mem_fun(*this, &AudioTimeAxisView::select_track_color)));
 697
 698
 699         items.push_back (SeparatorElem());
 700         items.push_back (MenuElem (_("Hide all crossfades"), mem_fun(*this, &AudioTimeAxisView::hide_all_xfades)));
 701         items.push_back (MenuElem (_("Show all crossfades"), mem_fun(*this, &AudioTimeAxisView::show_all_xfades)));
 702         items.push_back (SeparatorElem());
 703
 704
 705         automation_action_menu = manage (new Menu);
 706         MenuList& automation_items = automation_action_menu->items();
 707         automation_action_menu->set_name ("ArdourContextMenu");
 708
 709         automation_items.push_back (MenuElem (_("show all automation"),
 710                                               mem_fun(*this, &AudioTimeAxisView::show_all_automation)));
 711
 712         automation_items.push_back (MenuElem (_("show existing automation"),
 713                                               mem_fun(*this, &AudioTimeAxisView::show_existing_automation)));
 714
 715         automation_items.push_back (MenuElem (_("hide all automation"),
 716                                               mem_fun(*this, &AudioTimeAxisView::hide_all_automation)));
 717
 718         automation_items.push_back (SeparatorElem());
 719
 720         automation_items.push_back (CheckMenuElem (_("gain"),
 721                                                    mem_fun(*this, &AudioTimeAxisView::toggle_gain_track)));
 722         gain_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 723         gain_automation_item->set_active(show_gain_automation);
 724
 725         automation_items.push_back (CheckMenuElem (_("pan"),
 726                                                    mem_fun(*this, &AudioTimeAxisView::toggle_pan_track)));
 727         pan_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 728         pan_automation_item->set_active(show_pan_automation);
 729
 730         automation_items.push_back (MenuElem (_("Plugins"), subplugin_menu));
 731
 732         items.push_back (MenuElem (_("Automation"), *automation_action_menu));
 733
 734         Menu *waveform_menu = manage(new Menu);
 735         MenuList& waveform_items = waveform_menu->items();
 736         waveform_menu->set_name ("ArdourContextMenu");
 737
 738         waveform_items.push_back (CheckMenuElem (_("Show waveforms"), mem_fun(*this, &AudioTimeAxisView::toggle_waveforms)));
 739         waveform_item = static_cast<CheckMenuItem *> (&waveform_items.back());
 740         ignore_toggle = true;
 741         waveform_item->set_active (editor.show_waveforms());
 742         ignore_toggle = false;
 743
 744         RadioMenuItem::Group group;
 745
 746         waveform_items.push_back (RadioMenuElem (group, _("Traditional"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Traditional)));
 747         traditional_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 748
 749         waveform_items.push_back (RadioMenuElem (group, _("Rectified"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Rectified)));
 750         rectified_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 751
 752         items.push_back (MenuElem (_("Waveform"), *waveform_menu));
 753
 754         if (is_audio_track()) {
 755
 756                 Menu* alignment_menu = manage (new Menu);
 757                 MenuList& alignment_items = alignment_menu->items();
 758                 alignment_menu->set_name ("ArdourContextMenu");
 759
 760                 RadioMenuItem::Group align_group;
 761
 762                 alignment_items.push_back (RadioMenuElem (align_group, _("align with existing material"), bind (mem_fun(*this, &AudioTimeAxisView::set_align_style), ExistingMaterial)));
 763                 align_existing_item = dynamic_cast<RadioMenuItem*>(&alignment_items.back());
 764                 if (get_diskstream()->alignment_style() == ExistingMaterial) {
 765                         align_existing_item->set_active();
 766                 }
 767                 alignment_items.push_back (RadioMenuElem (align_group, _("align with capture time"), bind (mem_fun(*this, &AudioTimeAxisView::set_align_style), CaptureTime)));
 768                 align_capture_item = dynamic_cast<RadioMenuItem*>(&alignment_items.back());
 769                 if (get_diskstream()->alignment_style() == CaptureTime) {
 770                         align_capture_item->set_active();
 771                 }
 772
 773                 items.push_back (MenuElem (_("Alignment"), *alignment_menu));
 774
 775                 get_diskstream()->AlignmentStyleChanged.connect (mem_fun(*this, &AudioTimeAxisView::align_style_changed));
 776         }
 777
 778         items.push_back (SeparatorElem());
 779         items.push_back (CheckMenuElem (_("Active"), mem_fun(*this, &RouteUI::toggle_route_active)));
 780         route_active_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
 781         route_active_menu_item->set_active (_route.active());
 782
 783         items.push_back (SeparatorElem());
 784         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &RouteUI::remove_this_route)));
 785
 786 }
 787
 788 void
 789 AudioTimeAxisView::align_style_changed ()
 790 {
 791         switch (get_diskstream()->alignment_style()) {
 792         case ExistingMaterial:
 793                 if (!align_existing_item->get_active()) {
 794                         align_existing_item->set_active();
 795                 }
 796                 break;
 797         case CaptureTime:
 798                 if (!align_capture_item->get_active()) {
 799                         align_capture_item->set_active();
 800                 }
 801                 break;
 802         }
 803 }
 804
 805 void
 806 AudioTimeAxisView::set_align_style (AlignStyle style)
 807 {
 808         get_diskstream()->set_align_style (style);
 809 }
 810
 811 void
 812 AudioTimeAxisView::rename_current_playlist ()
 813 {
 814         ArdourPrompter prompter (true);
 815         string name;
 816
 817         AudioPlaylist *pl;
 818         DiskStream *ds;
 819
 820         if (((ds = get_diskstream()) == 0) || ds->destructive() || ((pl = ds->playlist()) == 0)) {
 821                 return;
 822         }
 823
 824         prompter.set_prompt (_("Name for playlist"));
 825         prompter.set_initial_text (pl->name());
 826
 827         switch (prompter.run ()) {
 828         case Gtk::RESPONSE_ACCEPT:
 829                 prompter.get_result (name);
 830                 if (name.length()) {
 831                         pl->set_name (name);
 832                 }
 833                 break;
 834
 835         default:
 836                 break;
 837         }
 838 }
 839
 840 void
 841 AudioTimeAxisView::use_copy_playlist (bool prompt)
 842 {
 843         AudioPlaylist *pl;
 844         DiskStream *ds;
 845         string name;
 846
 847         if (((ds = get_diskstream()) == 0) || ds->destructive() || ((pl = ds->playlist()) == 0)) {
 848                 return;
 849         }
 850
 851         name = Playlist::bump_name (pl->name(), _session);
 852
 853         if (prompt) {
 854
 855                 ArdourPrompter prompter (true);
 856
 857                 prompter.set_prompt (_("Name for playlist"));
 858                 prompter.set_initial_text (name);
 859                 prompter.show_all ();
 860
 861                 switch (prompter.run ()) {
 862                 case Gtk::RESPONSE_ACCEPT:
 863                         prompter.get_result (name);
 864                         break;
 865
 866                 default:
 867                         return;
 868                 }
 869         }
 870
 871         if (name.length()) {
 872                 ds->use_copy_playlist ();
 873                 pl = ds->playlist();
 874                 pl->set_name (name);
 875         }
 876 }
 877
 878 void
 879 AudioTimeAxisView::use_new_playlist (bool prompt)
 880 {
 881         AudioPlaylist *pl;
 882         DiskStream *ds;
 883         string name;
 884
 885         if (((ds = get_diskstream()) == 0) || ds->destructive() || ((pl = ds->playlist()) == 0)) {
 886                 return;
 887         }
 888
 889         name = Playlist::bump_name (pl->name(), _session);
 890
 891         if (prompt) {
 892
 893                 ArdourPrompter prompter (true);
 894
 895                 prompter.set_prompt (_("Name for playlist"));
 896                 prompter.set_initial_text (name);
 897
 898                 switch (prompter.run ()) {
 899                 case Gtk::RESPONSE_ACCEPT:
 900                         prompter.get_result (name);
 901                         break;
 902
 903                 default:
 904                         return;
 905                 }
 906         }
 907
 908         if (name.length()) {
 909                 ds->use_new_playlist ();
 910                 pl = ds->playlist();
 911                 pl->set_name (name);
 912         }
 913 }
 914
 915 void
 916 AudioTimeAxisView::clear_playlist ()
 917 {
 918         AudioPlaylist *pl;
 919         DiskStream *ds;
 920
 921         if ((ds = get_diskstream()) != 0) {
 922                 if ((pl = ds->playlist()) != 0) {
 923                         editor.clear_playlist (*pl);
 924                 }
 925         }
 926 }
 927
 928 void
 929 AudioTimeAxisView::toggle_waveforms ()
 930 {
 931         if (view && waveform_item && !ignore_toggle) {
 932                 view->set_show_waveforms (waveform_item->get_active());
 933         }
 934 }
 935
 936 void
 937 AudioTimeAxisView::set_show_waveforms (bool yn)
 938 {
 939         if (waveform_item) {
 940                 waveform_item->set_active (yn);
 941         } else {
 942                 view->set_show_waveforms (yn);
 943         }
 944 }
 945
 946 void
 947 AudioTimeAxisView::set_show_waveforms_recording (bool yn)
 948 {
 949         if (view) {
 950                 view->set_show_waveforms_recording (yn);
 951         }
 952 }
 953
 954 void
 955 AudioTimeAxisView::set_waveform_shape (WaveformShape shape)
 956 {
 957         if (view) {
 958                 view->set_waveform_shape (shape);
 959         }
 960 }
 961
 962 void
 963 AudioTimeAxisView::speed_changed ()
 964 {
 965         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &AudioTimeAxisView::reset_samples_per_unit));
 966 }
 967
 968 void
 969 AudioTimeAxisView::diskstream_changed (void *src)
 970 {
 971         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &AudioTimeAxisView::update_diskstream_display));
 972 }
 973
 974 void
 975 AudioTimeAxisView::update_diskstream_display ()
 976 {
 977         DiskStream *ds;
 978
 979         if ((ds = get_diskstream()) != 0) {
 980                 set_playlist (ds->playlist ());
 981         }
 982
 983         map_frozen ();
 984 }
 985
 986 void
 987 AudioTimeAxisView::selection_click (GdkEventButton* ev)
 988 {
 989         PublicEditor::TrackViewList* tracks = editor.get_valid_views (this, _route.edit_group());
 990
 991         switch (Keyboard::selection_type (ev->state)) {
 992         case Selection::Toggle:
 993                 /* XXX this is not right */
 994                 editor.get_selection().add (*tracks);
 995                 break;
 996
 997         case Selection::Set:
 998                 editor.get_selection().set (*tracks);
 999                 break;
1000
1001         case Selection::Extend:
1002                 /* not defined yet */
1003                 break;
1004         }
1005
1006         delete tracks;
1007 }
1008
1009 void
1010 AudioTimeAxisView::set_selected_regionviews (AudioRegionSelection& regions)
1011 {
1012         if (view) {
1013                 view->set_selected_regionviews (regions);
1014         }
1015 }
1016
1017 void
1018 AudioTimeAxisView::set_selected_points (PointSelection& points)
1019 {
1020         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1021                 (*i)->set_selected_points (points);
1022         }
1023 }
1024
1025 void
1026 AudioTimeAxisView::get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& results)
1027 {
1028         double speed = 1.0;
1029
1030         if (get_diskstream() != 0) {
1031                 speed = get_diskstream()->speed();
1032         }
1033
1034         jack_nframes_t start_adjusted = session_frame_to_track_frame(start, speed);
1035         jack_nframes_t end_adjusted   = session_frame_to_track_frame(end, speed);
1036
1037         if (view && touched (top, bot)) {
1038                 view->get_selectables (start_adjusted, end_adjusted, results);
1039         }
1040
1041         /* pick up visible automation tracks */
1042
1043         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1044                 if (!(*i)->hidden()) {
1045                         (*i)->get_selectables (start_adjusted, end_adjusted, top, bot, results);
1046                 }
1047         }
1048 }
1049
1050 void
1051 AudioTimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
1052 {
1053         if (view) {
1054                 view->get_inverted_selectables (sel, results);
1055         }
1056
1057         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1058                 if (!(*i)->hidden()) {
1059                         (*i)->get_inverted_selectables (sel, results);
1060                 }
1061         }
1062
1063         return;
1064 }
1065
1066 RouteGroup*
1067 AudioTimeAxisView::edit_group() const
1068 {
1069         return _route.edit_group();
1070 }
1071
1072 string
1073 AudioTimeAxisView::name() const
1074 {
1075         return _route.name();
1076 }
1077
1078 Playlist *
1079 AudioTimeAxisView::playlist () const
1080 {
1081         DiskStream *ds;
1082
1083         if ((ds = get_diskstream()) != 0) {
1084                 return ds->playlist();
1085         } else {
1086                 return 0;
1087         }
1088 }
1089
1090 void
1091 AudioTimeAxisView::name_entry_changed ()
1092 {
1093         string x;
1094
1095         x = name_entry.get_text ();
1096
1097         if (x == _route.name()) {
1098                 return;
1099         }
1100
1101         if (x.length() == 0) {
1102                 name_entry.set_text (_route.name());
1103                 return;
1104         }
1105
1106         strip_whitespace_edges(x);
1107
1108         if (_session.route_name_unique (x)) {
1109                 _route.set_name (x, this);
1110         } else {
1111                 ARDOUR_UI::instance()->popup_error (_("a track already exists with that name"));
1112                 name_entry.set_text (_route.name());
1113         }
1114 }
1115
1116 void
1117 AudioTimeAxisView::visual_click ()
1118 {
1119         popup_display_menu (0);
1120 }
1121
1122 void
1123 AudioTimeAxisView::hide_click ()
1124 {
1125         editor.hide_track_in_display (*this);
1126 }
1127
1128 Region*
1129 AudioTimeAxisView::find_next_region (jack_nframes_t pos, RegionPoint point, int32_t dir)
1130 {
1131         DiskStream *stream;
1132         AudioPlaylist *playlist;
1133
1134         if ((stream = get_diskstream()) != 0 && (playlist = stream->playlist()) != 0) {
1135                 return playlist->find_next_region (pos, point, dir);
1136         }
1137
1138         return 0;
1139 }
1140
1141 void
1142 AudioTimeAxisView::add_gain_automation_child ()
1143 {
1144         XMLProperty* prop;
1145         AutomationLine* line;
1146
1147         gain_track = new GainAutomationTimeAxisView (_session,
1148                                                      _route,
1149                                                      editor,
1150                                                      *this,
1151                                                      parent_canvas,
1152                                                      _("gain"),
1153                                                      _route.gain_automation_curve());
1154
1155         line = new AutomationGainLine ("automation gain",
1156                                        _session,
1157                                        *gain_track,
1158                                        *gain_track->canvas_display,
1159                                        _route.gain_automation_curve());
1160
1161         line->set_line_color (color_map[cAutomationLine]);
1162
1163
1164         gain_track->add_line (*line);
1165
1166         add_child (gain_track);
1167
1168         gain_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::gain_hidden));
1169
1170         bool hideit = true;
1171
1172         XMLNode* node;
1173
1174         if ((node = gain_track->get_state_node()) != 0) {
1175                 if  ((prop = node->property ("shown")) != 0) {
1176                         if (prop->value() == "yes") {
1177                                 hideit = false;
1178                         }
1179                 }
1180         }
1181
1182         if (hideit) {
1183                 gain_track->hide ();
1184         }
1185 }
1186
1187 void
1188 AudioTimeAxisView::add_pan_automation_child ()
1189 {
1190         XMLProperty* prop;
1191
1192         pan_track = new PanAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, _("pan"));
1193
1194         update_pans ();
1195
1196         add_child (pan_track);
1197
1198         pan_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::pan_hidden));
1199
1200         ensure_xml_node ();
1201         bool hideit = true;
1202
1203         XMLNode* node;
1204
1205         if ((node = pan_track->get_state_node()) != 0) {
1206                 if ((prop = node->property ("shown")) != 0) {
1207                         if (prop->value() == "yes") {
1208                                 hideit = false;
1209                         }
1210                 }
1211         }
1212
1213         if (hideit) {
1214                 pan_track->hide ();
1215         }
1216 }
1217
1218 void
1219 AudioTimeAxisView::update_pans ()
1220 {
1221         Panner::iterator p;
1222
1223         pan_track->clear_lines ();
1224
1225         /* we don't draw lines for "greater than stereo" panning.
1226          */
1227
1228         if (_route.n_outputs() > 2) {
1229                 return;
1230         }
1231
1232         for (p = _route.panner().begin(); p != _route.panner().end(); ++p) {
1233
1234                 AutomationLine* line;
1235
1236                 line = new AutomationPanLine ("automation pan", _session, *pan_track,
1237                                               *pan_track->canvas_display,
1238                                               (*p)->automation());
1239
1240                 if (p == _route.panner().begin()) {
1241                         /* first line is a nice orange */
1242                         line->set_line_color (color_map[cLeftPanAutomationLine]);
1243                 } else {
1244                         /* second line is a nice blue */
1245                         line->set_line_color (color_map[cRightPanAutomationLine]);
1246                 }
1247
1248                 pan_track->add_line (*line);
1249         }
1250 }
1251
1252 void
1253 AudioTimeAxisView::toggle_gain_track ()
1254 {
1255
1256         bool showit = gain_automation_item->get_active();
1257
1258         if (showit != gain_track->marked_for_display()) {
1259                 if (showit) {
1260                         gain_track->set_marked_for_display (true);
1261                         gain_track->canvas_display->show();
1262                         gain_track->get_state_node()->add_property ("shown", X_("yes"));
1263                 } else {
1264                         gain_track->set_marked_for_display (false);
1265                         gain_track->hide ();
1266                         gain_track->get_state_node()->add_property ("shown", X_("no"));
1267                 }
1268
1269                 /* now trigger a redisplay */
1270
1271                 if (!no_redraw) {
1272                          _route.gui_changed (X_("track_height"), (void *) 0); /* EMIT_SIGNAL */
1273                 }
1274         }
1275 }
1276
1277 void
1278 AudioTimeAxisView::gain_hidden ()
1279 {
1280         gain_track->get_state_node()->add_property (X_("shown"), X_("no"));
1281
1282         if (gain_automation_item && !_hidden) {
1283                 gain_automation_item->set_active (false);
1284         }
1285
1286          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1287 }
1288
1289 void
1290 AudioTimeAxisView::toggle_pan_track ()
1291 {
1292         bool showit = pan_automation_item->get_active();
1293
1294         if (showit != pan_track->marked_for_display()) {
1295                 if (showit) {
1296                         pan_track->set_marked_for_display (true);
1297                         pan_track->canvas_display->show();
1298                         pan_track->get_state_node()->add_property ("shown", X_("yes"));
1299                 } else {
1300                         pan_track->set_marked_for_display (false);
1301                         pan_track->hide ();
1302                         pan_track->get_state_node()->add_property ("shown", X_("no"));
1303                 }
1304
1305                 /* now trigger a redisplay */
1306
1307                 if (!no_redraw) {
1308                          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1309                 }
1310         }
1311 }
1312
1313 void
1314 AudioTimeAxisView::pan_hidden ()
1315 {
1316         pan_track->get_state_node()->add_property ("shown", "no");
1317
1318         if (pan_automation_item && !_hidden) {
1319                 pan_automation_item->set_active (false);
1320         }
1321
1322          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1323 }
1324
1325 AudioTimeAxisView::RedirectAutomationInfo::~RedirectAutomationInfo ()
1326 {
1327         for (vector<RedirectAutomationNode*>::iterator i = lines.begin(); i != lines.end(); ++i) {
1328                 delete *i;
1329         }
1330 }
1331
1332
1333 AudioTimeAxisView::RedirectAutomationNode::~RedirectAutomationNode ()
1334 {
1335         parent.remove_ran (this);
1336
1337         if (view) {
1338                 delete view;
1339         }
1340 }
1341
1342 void
1343 AudioTimeAxisView::remove_ran (RedirectAutomationNode* ran)
1344 {
1345         if (ran->view) {
1346                 remove_child (ran->view);
1347         }
1348 }
1349
1350 AudioTimeAxisView::RedirectAutomationNode*
1351 AudioTimeAxisView::find_redirect_automation_node (Redirect *redirect, uint32_t what)
1352 {
1353         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1354
1355                 if ((*i)->redirect == redirect) {
1356
1357                         for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1358                                 if ((*ii)->what == what) {
1359                                         return *ii;
1360                                 }
1361                         }
1362                 }
1363         }
1364
1365         return 0;
1366 }
1367
1368 static string
1369 legalize_for_xml_node (string str)
1370 {
1371         string::size_type pos;
1372         string legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=:";
1373         string legal;
1374
1375         legal = str;
1376         pos = 0;
1377
1378         while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
1379                 legal.replace (pos, 1, "_");
1380                 pos += 1;
1381         }
1382
1383         return legal;
1384 }
1385
1386
1387 void
1388 AudioTimeAxisView::add_redirect_automation_curve (Redirect *redirect, uint32_t what)
1389 {
1390         RedirectAutomationLine* ral;
1391         string name;
1392         RedirectAutomationNode* ran;
1393
1394         if ((ran = find_redirect_automation_node (redirect, what)) == 0) {
1395                 fatal << _("programming error: ")
1396                       << string_compose (X_("redirect automation curve for %1:%2 not registered with audio track!"),
1397                                   redirect->name(), what)
1398                       << endmsg;
1399                 /*NOTREACHED*/
1400                 return;
1401         }
1402
1403         if (ran->view) {
1404                 return;
1405         }
1406
1407         name = redirect->describe_parameter (what);
1408
1409         /* create a string that is a legal XML node name that can be used to refer to this redirect+port combination */
1410
1411         char state_name[256];
1412         snprintf (state_name, sizeof (state_name), "Redirect-%s-%" PRIu32, legalize_for_xml_node (redirect->name()).c_str(), what);
1413
1414         ran->view = new RedirectAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, name, what, *redirect, state_name);
1415
1416         ral = new RedirectAutomationLine (name,
1417                                           *redirect, what, _session, *ran->view,
1418                                           *ran->view->canvas_display, redirect->automation_list (what));
1419
1420         ral->set_line_color (color_map[cRedirectAutomationLine]);
1421         ral->queue_reset ();
1422
1423         ran->view->add_line (*ral);
1424
1425         ran->view->Hiding.connect (bind (mem_fun(*this, &AudioTimeAxisView::redirect_automation_track_hidden), ran, redirect));
1426
1427         if (!ran->view->marked_for_display()) {
1428                 ran->view->hide ();
1429         } else {
1430                 ran->menu_item->set_active (true);
1431         }
1432
1433         add_child (ran->view);
1434
1435         view->foreach_regionview (bind (mem_fun(*this, &AudioTimeAxisView::add_ghost_to_redirect), ran->view));
1436
1437         redirect->mark_automation_visible (what, true);
1438 }
1439
1440 void
1441 AudioTimeAxisView::redirect_automation_track_hidden (AudioTimeAxisView::RedirectAutomationNode* ran, Redirect* r)
1442 {
1443         if (!_hidden) {
1444                 ran->menu_item->set_active (false);
1445         }
1446
1447         r->mark_automation_visible (ran->what, false);
1448
1449          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1450 }
1451
1452 void
1453 AudioTimeAxisView::add_existing_redirect_automation_curves (Redirect *redirect)
1454 {
1455         set<uint32_t> s;
1456         RedirectAutomationLine *ral;
1457
1458         redirect->what_has_visible_automation (s);
1459
1460         for (set<uint32_t>::iterator i = s.begin(); i != s.end(); ++i) {
1461
1462                 if ((ral = find_redirect_automation_curve (redirect, *i)) != 0) {
1463                         ral->queue_reset ();
1464                 } else {
1465                         add_redirect_automation_curve (redirect, (*i));
1466                 }
1467         }
1468 }
1469
1470 void
1471 AudioTimeAxisView::add_redirect_to_subplugin_menu (Redirect* r)
1472 {
1473         using namespace Menu_Helpers;
1474         RedirectAutomationInfo *rai;
1475         list<RedirectAutomationInfo*>::iterator x;
1476
1477         const std::set<uint32_t>& automatable = r->what_can_be_automated ();
1478         std::set<uint32_t> has_visible_automation;
1479
1480         r->what_has_visible_automation(has_visible_automation);
1481
1482         if (automatable.empty()) {
1483                 return;
1484         }
1485
1486         for (x = redirect_automation.begin(); x != redirect_automation.end(); ++x) {
1487                 if ((*x)->redirect == r) {
1488                         break;
1489                 }
1490         }
1491
1492         if (x == redirect_automation.end()) {
1493
1494                 rai = new RedirectAutomationInfo (r);
1495                 redirect_automation.push_back (rai);
1496
1497         } else {
1498
1499                 rai = *x;
1500
1501         }
1502
1503         /* any older menu was deleted at the top of redirects_changed()
1504            when we cleared the subplugin menu.
1505         */
1506
1507         rai->menu = manage (new Menu);
1508         MenuList& items = rai->menu->items();
1509         rai->menu->set_name ("ArdourContextMenu");
1510
1511         items.clear ();
1512
1513         for (std::set<uint32_t>::const_iterator i = automatable.begin(); i != automatable.end(); ++i) {
1514
1515                 RedirectAutomationNode* ran;
1516                 CheckMenuItem* mitem;
1517
1518                 string name = r->describe_parameter (*i);
1519
1520                 items.push_back (CheckMenuElem (name));
1521                 mitem = dynamic_cast<CheckMenuItem*> (&items.back());
1522
1523                 if (has_visible_automation.find((*i)) != has_visible_automation.end()) {
1524                         mitem->set_active(true);
1525                 }
1526
1527                 if ((ran = find_redirect_automation_node (r, *i)) == 0) {
1528
1529                         /* new item */
1530
1531                         ran = new RedirectAutomationNode (*i, mitem, *this);
1532
1533                         rai->lines.push_back (ran);
1534
1535                 } else {
1536
1537                         ran->menu_item = mitem;
1538
1539                 }
1540
1541                 mitem->signal_toggled().connect (bind (mem_fun(*this, &AudioTimeAxisView::redirect_menu_item_toggled), rai, ran));
1542         }
1543
1544         /* add the menu for this redirect, because the subplugin
1545            menu is always cleared at the top of redirects_changed().
1546            this is the result of some poor design in gtkmm and/or
1547            GTK+.
1548         */
1549
1550         subplugin_menu.items().push_back (MenuElem (r->name(), *rai->menu));
1551         rai->valid = true;
1552 }
1553
1554 void
1555 AudioTimeAxisView::redirect_menu_item_toggled (AudioTimeAxisView::RedirectAutomationInfo* rai,
1556                                                AudioTimeAxisView::RedirectAutomationNode* ran)
1557 {
1558         bool showit = ran->menu_item->get_active();
1559         bool redraw = false;
1560
1561         if (ran->view == 0 && showit) {
1562                 add_redirect_automation_curve (rai->redirect, ran->what);
1563                 redraw = true;
1564         }
1565
1566         if (showit != ran->view->marked_for_display()) {
1567
1568                 if (showit) {
1569                         ran->view->set_marked_for_display (true);
1570                         ran->view->canvas_display->show();
1571                 } else {
1572                         rai->redirect->mark_automation_visible (ran->what, true);
1573                         ran->view->set_marked_for_display (false);
1574                         ran->view->hide ();
1575                 }
1576
1577                 redraw = true;
1578
1579         }
1580
1581         if (redraw && !no_redraw) {
1582
1583                 /* now trigger a redisplay */
1584
1585                  _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1586
1587         }
1588 }
1589
1590 void
1591 AudioTimeAxisView::redirects_changed (void *src)
1592 {
1593         using namespace Menu_Helpers;
1594
1595         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1596                 (*i)->valid = false;
1597         }
1598
1599         subplugin_menu.items().clear ();
1600
1601         _route.foreach_redirect (this, &AudioTimeAxisView::add_redirect_to_subplugin_menu);
1602         _route.foreach_redirect (this, &AudioTimeAxisView::add_existing_redirect_automation_curves);
1603
1604         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ) {
1605
1606                 list<RedirectAutomationInfo*>::iterator tmp;
1607
1608                 tmp = i;
1609                 ++tmp;
1610
1611                 if (!(*i)->valid) {
1612
1613                         delete *i;
1614                         redirect_automation.erase (i);
1615
1616                 }
1617
1618                 i = tmp;
1619         }
1620
1621         /* change in visibility was possible */
1622
1623         _route.gui_changed ("track_height", this);
1624 }
1625
1626 RedirectAutomationLine *
1627 AudioTimeAxisView::find_redirect_automation_curve (Redirect *redirect, uint32_t what)
1628 {
1629         RedirectAutomationNode* ran;
1630
1631         if ((ran = find_redirect_automation_node (redirect, what)) != 0) {
1632                 if (ran->view) {
1633                         return dynamic_cast<RedirectAutomationLine*> (ran->view->lines.front());
1634                 }
1635         }
1636
1637         return 0;
1638 }
1639
1640 void
1641 AudioTimeAxisView::show_all_automation ()
1642 {
1643         no_redraw = true;
1644
1645         pan_automation_item->set_active (true);
1646         gain_automation_item->set_active (true);
1647
1648         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1649                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1650                         if ((*ii)->view == 0) {
1651                                 add_redirect_automation_curve ((*i)->redirect, (*ii)->what);
1652                         }
1653
1654                         (*ii)->menu_item->set_active (true);
1655                 }
1656         }
1657
1658         no_redraw = false;
1659
1660          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1661 }
1662
1663 void
1664 AudioTimeAxisView::show_existing_automation ()
1665 {
1666         no_redraw = true;
1667
1668         pan_automation_item->set_active (true);
1669         gain_automation_item->set_active (true);
1670
1671         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1672                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1673                         if ((*ii)->view != 0) {
1674                                 (*ii)->menu_item->set_active (true);
1675                         }
1676                 }
1677         }
1678
1679         no_redraw = false;
1680
1681          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1682 }
1683
1684 void
1685 AudioTimeAxisView::hide_all_automation ()
1686 {
1687         no_redraw = true;
1688
1689         pan_automation_item->set_active (false);
1690         gain_automation_item->set_active (false);
1691
1692         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1693                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1694                         (*ii)->menu_item->set_active (false);
1695                 }
1696         }
1697
1698         no_redraw = false;
1699          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1700 }
1701
1702 bool
1703 AudioTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
1704 {
1705         Playlist* what_we_got;
1706         DiskStream* ds = get_diskstream();
1707         Playlist* playlist;
1708         bool ret = false;
1709
1710         if (ds == 0) {
1711                 /* route is a bus, not a track */
1712                 return false;
1713         }
1714
1715         playlist = ds->playlist();
1716
1717
1718         TimeSelection time (selection.time);
1719         float speed = ds->speed();
1720         if (speed != 1.0f) {
1721                 for (TimeSelection::iterator i = time.begin(); i != time.end(); ++i) {
1722                         (*i).start = session_frame_to_track_frame((*i).start, speed);
1723                         (*i).end   = session_frame_to_track_frame((*i).end,   speed);
1724                 }
1725         }
1726
1727         switch (op) {
1728         case Cut:
1729                 _session.add_undo (playlist->get_memento());
1730                 if ((what_we_got = playlist->cut (time)) != 0) {
1731                         editor.get_cut_buffer().add (what_we_got);
1732                         _session.add_redo_no_execute (playlist->get_memento());
1733                         ret = true;
1734                 }
1735                 break;
1736         case Copy:
1737                 if ((what_we_got = playlist->copy (time)) != 0) {
1738                         editor.get_cut_buffer().add (what_we_got);
1739                 }
1740                 break;
1741
1742         case Clear:
1743                 _session.add_undo (playlist->get_memento());
1744                 if ((what_we_got = playlist->cut (time)) != 0) {
1745                         _session.add_redo_no_execute (playlist->get_memento());
1746                         what_we_got->unref ();
1747                         ret = true;
1748                 }
1749                 break;
1750         }
1751
1752         return ret;
1753 }
1754
1755 bool
1756 AudioTimeAxisView::paste (jack_nframes_t pos, float times, Selection& selection, size_t nth)
1757 {
1758         if (!is_audio_track()) {
1759                 return false;
1760         }
1761
1762         Playlist* playlist = get_diskstream()->playlist();
1763         PlaylistSelection::iterator p;
1764
1765         for (p = selection.playlists.begin(); p != selection.playlists.end() && nth; ++p, --nth);
1766
1767         if (p == selection.playlists.end()) {
1768                 return false;
1769         }
1770
1771         if (get_diskstream()->speed() != 1.0f)
1772                 pos = session_frame_to_track_frame(pos, get_diskstream()->speed() );
1773
1774         _session.add_undo (playlist->get_memento());
1775         playlist->paste (**p, pos, times);
1776         _session.add_redo_no_execute (playlist->get_memento());
1777
1778         return true;
1779 }
1780
1781 void
1782 AudioTimeAxisView::region_view_added (AudioRegionView* arv)
1783 {
1784         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1785                 AutomationTimeAxisView* atv;
1786
1787                 if ((atv = dynamic_cast<AutomationTimeAxisView*> (*i)) != 0) {
1788                         arv->add_ghost (*atv);
1789                 }
1790         }
1791 }
1792
1793 void
1794 AudioTimeAxisView::add_ghost_to_redirect (AudioRegionView* arv, AutomationTimeAxisView* atv)
1795 {
1796         arv->add_ghost (*atv);
1797 }
1798
1799 list<TimeAxisView*>
1800 AudioTimeAxisView::get_child_list()
1801 {
1802
1803         list<TimeAxisView*>redirect_children;
1804
1805         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1806                 if (!(*i)->hidden()) {
1807                         redirect_children.push_back(*i);
1808                 }
1809         }
1810         return redirect_children;
1811 }
1812
1813
1814 void
1815 AudioTimeAxisView::build_playlist_menu (Gtk::Menu * menu)
1816 {
1817         using namespace Menu_Helpers;
1818
1819         if (!menu || !is_audio_track()) {
1820                 return;
1821         }
1822
1823         MenuList& playlist_items = menu->items();
1824         menu->set_name ("ArdourContextMenu");
1825         playlist_items.clear();
1826
1827         if (playlist_menu) {
1828                 delete playlist_menu;
1829         }
1830         playlist_menu = new Menu;
1831         playlist_menu->set_name ("ArdourContextMenu");
1832
1833         playlist_items.push_back (MenuElem (string_compose (_("Current: %1"), get_diskstream()->playlist()->name())));
1834         playlist_items.push_back (SeparatorElem());
1835
1836         playlist_items.push_back (MenuElem (_("Rename"), mem_fun(*this, &AudioTimeAxisView::rename_current_playlist)));
1837         playlist_items.push_back (SeparatorElem());
1838
1839         playlist_items.push_back (MenuElem (_("New"), mem_fun(editor, &PublicEditor::new_playlists)));
1840         playlist_items.push_back (MenuElem (_("New Copy"), mem_fun(editor, &PublicEditor::copy_playlists)));
1841         playlist_items.push_back (SeparatorElem());
1842         playlist_items.push_back (MenuElem (_("Clear Current"), mem_fun(editor, &PublicEditor::clear_playlists)));
1843         playlist_items.push_back (SeparatorElem());
1844         playlist_items.push_back (MenuElem(_("Select"), mem_fun(*this, &AudioTimeAxisView::show_playlist_selector)));
1845
1846 }
1847
1848 void
1849 AudioTimeAxisView::show_playlist_selector ()
1850 {
1851         editor.playlist_selector().show_for (this);
1852 }
1853
1854
1855 void
1856 AudioTimeAxisView::map_frozen ()
1857 {
1858         if (!is_audio_track()) {
1859                 return;
1860         }
1861
1862         ENSURE_GUI_THREAD (mem_fun(*this, &AudioTimeAxisView::map_frozen));
1863
1864
1865         switch (audio_track()->freeze_state()) {
1866         case AudioTrack::Frozen:
1867                 playlist_button.set_sensitive (false);
1868                 rec_enable_button->set_sensitive (false);
1869                 break;
1870         default:
1871                 playlist_button.set_sensitive (true);
1872                 rec_enable_button->set_sensitive (true);
1873                 break;
1874         }
1875 }
1876
1877 void
1878 AudioTimeAxisView::show_all_xfades ()
1879 {
1880         if (view) {
1881                 view->show_all_xfades ();
1882         }
1883 }
1884
1885 void
1886 AudioTimeAxisView::hide_all_xfades ()
1887 {
1888         if (view) {
1889                 view->hide_all_xfades ();
1890         }
1891 }
1892
1893 void
1894 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
1895 {
1896         AudioRegionView* rv;
1897
1898         if (view && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
1899                 view->hide_xfades_involving (*rv);
1900         }
1901 }
1902
1903 void
1904 AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
1905 {
1906         AudioRegionView* rv;
1907
1908         if (view && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
1909                 view->reveal_xfades_involving (*rv);
1910         }
1911 }
1912
1913 void
1914 AudioTimeAxisView::route_active_changed ()
1915 {
1916         RouteUI::route_active_changed ();
1917
1918         if (is_audio_track()) {
1919                 if (_route.active()) {
1920                         controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
1921                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
1922                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
1923                 } else {
1924                         controls_ebox.set_name ("AudioTrackControlsBaseInactiveUnselected");
1925                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
1926                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
1927                 }
1928         } else {
1929                 if (_route.active()) {
1930                         controls_ebox.set_name ("BusControlsBaseUnselected");
1931                         controls_base_selected_name = "BusControlsBaseSelected";
1932                         controls_base_unselected_name = "BusControlsBaseUnselected";
1933                 } else {
1934                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
1935                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
1936                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
1937                 }
1938         }
1939 }
1940
1941 XMLNode*
1942 AudioTimeAxisView::get_child_xml_node (const string & childname)
1943 {
1944         return RouteUI::get_child_xml_node (childname);
1945 }
1946
1947 void
1948 AudioTimeAxisView::color_handler (ColorID id, uint32_t val)
1949 {
1950         switch (id) {
1951         case cTimeStretchOutline:
1952                 timestretch_rect->property_outline_color_rgba() = val;
1953                 break;
1954         case cTimeStretchFill:
1955                 timestretch_rect->property_fill_color_rgba() = val;
1956                 break;
1957         default:
1958                 break;
1959         }
1960 }