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 static const gchar * small_x_xpm[] = {
  88 "11 11 2 1",
  89 "       c None",
  90 ".      c #000000",
  91 "           ",
  92 "           ",
  93 "  .     .  ",
  94 "   .   .   ",
  95 "    . .    ",
  96 "     .     ",
  97 "    . .    ",
  98 "   .   .   ",
  99 "  .     .  ",
 100 "           ",
 101 "           "};
 102
 103 AudioTimeAxisView::AudioTimeAxisView (PublicEditor& ed, Session& sess, Route& rt, Canvas& canvas)
 104         : AxisView(sess),
 105           RouteUI(rt, sess, _("m"), _("s"), _("r")), // mute, solo, and record
 106           TimeAxisView(sess,ed,(TimeAxisView*) 0, canvas),
 107           parent_canvas (canvas),
 108           button_table (3, 3),
 109           edit_group_button (_("g")), // group
 110           playlist_button (_("p")),
 111           size_button (_("h")), // height
 112           automation_button (_("a")),
 113           visual_button (_("v"))
 114
 115 {
 116         _has_state = true;
 117         subplugin_menu.set_name ("ArdourContextMenu");
 118         playlist_menu = 0;
 119         playlist_action_menu = 0;
 120         automation_action_menu = 0;
 121         gain_track = 0;
 122         pan_track = 0;
 123         view = 0;
 124         timestretch_rect = 0;
 125         waveform_item = 0;
 126         pan_automation_item = 0;
 127         gain_automation_item = 0;
 128         no_redraw = false;
 129
 130         view = new StreamView (*this);
 131
 132         add_gain_automation_child ();
 133         add_pan_automation_child ();
 134
 135         ignore_toggle = false;
 136
 137         rec_enable_button->set_active (false);
 138         mute_button->set_active (false);
 139         solo_button->set_active (false);
 140
 141         rec_enable_button->set_name ("TrackRecordEnableButton");
 142         mute_button->set_name ("TrackMuteButton");
 143         solo_button->set_name ("SoloButton");
 144         edit_group_button.set_name ("TrackGroupButton");
 145         playlist_button.set_name ("TrackPlaylistButton");
 146         automation_button.set_name ("TrackAutomationButton");
 147         size_button.set_name ("TrackSizeButton");
 148         visual_button.set_name ("TrackVisualButton");
 149         hide_button.set_name ("TrackRemoveButton");
 150
 151         hide_button.add (*(manage (new Image (Gdk::Pixbuf::create_from_xpm_data(small_x_xpm)))));
 152
 153         _route.mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed));
 154         _route.solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 155         _route.solo_safe_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 156
 157         _route.panner().Changed.connect (mem_fun(*this, &AudioTimeAxisView::update_pans));
 158
 159         solo_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::solo_press));
 160         solo_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::solo_release));
 161         mute_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::mute_press));
 162         mute_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::mute_release));
 163         rec_enable_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::rec_enable_press));
 164         edit_group_button.signal_button_release_event().connect (mem_fun(*this, &AudioTimeAxisView::edit_click), false);
 165         playlist_button.signal_clicked().connect (mem_fun(*this, &AudioTimeAxisView::playlist_click));
 166         automation_button.signal_clicked().connect (mem_fun(*this, &AudioTimeAxisView::automation_click));
 167         size_button.signal_button_release_event().connect (mem_fun(*this, &AudioTimeAxisView::size_click), false);
 168         visual_button.signal_clicked().connect (mem_fun(*this, &AudioTimeAxisView::visual_click));
 169         hide_button.signal_clicked().connect (mem_fun(*this, &AudioTimeAxisView::hide_click));
 170
 171         if (is_audio_track()) {
 172                 controls_table.attach (*rec_enable_button, 5, 6, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 173         }
 174         controls_table.attach (*mute_button, 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 175         controls_table.attach (*solo_button, 7, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::FILL|Gtk::EXPAND, 0, 0);
 176
 177         controls_table.attach (edit_group_button, 6, 7, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 178
 179         ARDOUR_UI::instance()->tooltips().set_tip(*rec_enable_button, _("Record"));
 180         ARDOUR_UI::instance()->tooltips().set_tip(*solo_button,_("Solo"));
 181         ARDOUR_UI::instance()->tooltips().set_tip(*mute_button,_("Mute"));
 182         ARDOUR_UI::instance()->tooltips().set_tip(edit_group_button,_("Edit Group"));
 183         ARDOUR_UI::instance()->tooltips().set_tip(size_button,_("Display Height"));
 184         ARDOUR_UI::instance()->tooltips().set_tip(playlist_button,_("Playlist"));
 185         ARDOUR_UI::instance()->tooltips().set_tip(automation_button, _("Automation"));
 186         ARDOUR_UI::instance()->tooltips().set_tip(visual_button, _("Visual options"));
 187         ARDOUR_UI::instance()->tooltips().set_tip(hide_button, _("Hide this track"));
 188
 189         label_view ();
 190
 191         controls_table.attach (hide_button, 0, 1, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 192         controls_table.attach (visual_button, 1, 2, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 193         controls_table.attach (size_button, 2, 3, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 194         controls_table.attach (automation_button, 3, 4, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 195
 196         if (is_audio_track()) {
 197                 controls_table.attach (playlist_button, 5, 6, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 198
 199         }
 200
 201         /* remove focus from the buttons */
 202
 203         automation_button.unset_flags (Gtk::CAN_FOCUS);
 204         solo_button->unset_flags (Gtk::CAN_FOCUS);
 205         mute_button->unset_flags (Gtk::CAN_FOCUS);
 206         edit_group_button.unset_flags (Gtk::CAN_FOCUS);
 207         size_button.unset_flags (Gtk::CAN_FOCUS);
 208         playlist_button.unset_flags (Gtk::CAN_FOCUS);
 209         hide_button.unset_flags (Gtk::CAN_FOCUS);
 210         visual_button.unset_flags (Gtk::CAN_FOCUS);
 211
 212         /* map current state of the route */
 213
 214         update_diskstream_display ();
 215         solo_changed(0);
 216         mute_changed(0);
 217         redirects_changed (0);
 218         reset_redirect_automation_curves ();
 219         y_position = -1;
 220
 221         ensure_xml_node ();
 222
 223         set_state (*xml_node);
 224
 225         _route.mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed));
 226         _route.solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 227         _route.redirects_changed.connect (mem_fun(*this, &AudioTimeAxisView::redirects_changed));
 228
 229         _route.name_changed.connect (mem_fun(*this, &AudioTimeAxisView::route_name_changed));
 230
 231         if (is_audio_track()) {
 232
 233                 /* track */
 234
 235                 audio_track()->FreezeChange.connect (mem_fun(*this, &AudioTimeAxisView::map_frozen));
 236
 237                 audio_track()->diskstream_changed.connect (mem_fun(*this, &AudioTimeAxisView::diskstream_changed));
 238                 get_diskstream()->speed_changed.connect (mem_fun(*this, &AudioTimeAxisView::speed_changed));
 239
 240                 controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
 241                 controls_base_selected_name = "AudioTrackControlsBaseSelected";
 242                 controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 243
 244                 /* ask for notifications of any new RegionViews */
 245
 246                 view->AudioRegionViewAdded.connect (mem_fun(*this, &AudioTimeAxisView::region_view_added));
 247
 248                 view->attach ();
 249
 250                 /* pick up the correct freeze state */
 251
 252                 map_frozen ();
 253
 254         } else {
 255
 256                 /* bus */
 257
 258                 controls_ebox.set_name ("BusControlsBaseUnselected");
 259                 controls_base_selected_name = "BusControlsBaseSelected";
 260                 controls_base_unselected_name = "BusControlsBaseUnselected";
 261         }
 262
 263         editor.ZoomChanged.connect (mem_fun(*this, &AudioTimeAxisView::reset_samples_per_unit));
 264 }
 265
 266 AudioTimeAxisView::~AudioTimeAxisView ()
 267 {
 268         GoingAway (); /* EMIT_SIGNAL */
 269
 270         if (playlist_menu) {
 271                 delete playlist_menu;
 272                 playlist_menu = 0;
 273         }
 274
 275         if (playlist_action_menu) {
 276                 delete playlist_action_menu;
 277                 playlist_action_menu = 0;
 278         }
 279
 280         vector_delete (&redirect_automation_curves);
 281
 282         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
 283                 delete *i;
 284         }
 285
 286         if (view) {
 287                 delete view;
 288                 view = 0;
 289         }
 290 }
 291
 292 guint32
 293 AudioTimeAxisView::show_at (double y, int& nth, Gtk::VBox *parent)
 294 {
 295         ensure_xml_node ();
 296         xml_node->add_property ("shown_editor", "yes");
 297
 298         return TimeAxisView::show_at (y, nth, parent);
 299 }
 300
 301 void
 302 AudioTimeAxisView::hide ()
 303 {
 304         ensure_xml_node ();
 305         xml_node->add_property ("shown_editor", "no");
 306
 307         TimeAxisView::hide ();
 308 }
 309
 310 void
 311 AudioTimeAxisView::set_playlist (AudioPlaylist *newplaylist)
 312 {
 313         AudioPlaylist *pl;
 314
 315         modified_connection.disconnect ();
 316         state_changed_connection.disconnect ();
 317
 318         if ((pl = dynamic_cast<AudioPlaylist*> (playlist())) != 0) {
 319                 state_changed_connection = pl->StateChanged.connect (mem_fun(*this, &AudioTimeAxisView::playlist_state_changed));
 320                 modified_connection = pl->Modified.connect (mem_fun(*this, &AudioTimeAxisView::playlist_modified));
 321         }
 322 }
 323
 324 void
 325 AudioTimeAxisView::playlist_modified ()
 326 {
 327 }
 328
 329 gint
 330 AudioTimeAxisView::edit_click (GdkEventButton *ev)
 331 {
 332         if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 333                 _route.set_edit_group (0, this);
 334                 return FALSE;
 335         }
 336
 337         using namespace Menu_Helpers;
 338
 339         MenuList& items = edit_group_menu.items ();
 340
 341         items.clear ();
 342         items.push_back (RadioMenuElem (edit_group_menu_radio_group, _("No group"),
 343                                    bind (mem_fun(*this, &AudioTimeAxisView::set_edit_group_from_menu), (RouteGroup *) 0)));
 344
 345         if (_route.edit_group() == 0) {
 346                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
 347         }
 348
 349         _session.foreach_edit_group (this, &AudioTimeAxisView::add_edit_group_menu_item);
 350         edit_group_menu.popup (ev->button, ev->time);
 351
 352         return FALSE;
 353 }
 354
 355 void
 356 AudioTimeAxisView::add_edit_group_menu_item (RouteGroup *eg)
 357 {
 358         using namespace Menu_Helpers;
 359
 360         MenuList &items = edit_group_menu.items();
 361         items.push_back (RadioMenuElem (edit_group_menu_radio_group,
 362                                         eg->name(), bind (mem_fun(*this, &AudioTimeAxisView::set_edit_group_from_menu), eg)));
 363         if (_route.edit_group() == eg) {
 364                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
 365         }
 366 }
 367
 368 void
 369 AudioTimeAxisView::set_edit_group_from_menu (RouteGroup *eg)
 370
 371 {
 372         _route.set_edit_group (eg, this);
 373 }
 374
 375 void
 376 AudioTimeAxisView::playlist_state_changed (Change ignored)
 377 {
 378         // ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioTimeAxisView::playlist_state_changed), ignored));
 379         // why are we here ?
 380 }
 381
 382 void
 383 AudioTimeAxisView::playlist_changed ()
 384
 385 {
 386         label_view ();
 387
 388         if (is_audio_track()) {
 389                 set_playlist (get_diskstream()->playlist());
 390         }
 391 }
 392
 393 void
 394 AudioTimeAxisView::label_view ()
 395 {
 396         string x = _route.name();
 397
 398         if (x != name_entry.get_text()) {
 399                 name_entry.set_text (x);
 400         }
 401
 402         ARDOUR_UI::instance()->tooltips().set_tip (name_entry, x);
 403 }
 404
 405 void
 406 AudioTimeAxisView::route_name_changed (void *src)
 407 {
 408         editor.route_name_changed (this);
 409         label_view ();
 410 }
 411
 412 void
 413 AudioTimeAxisView::take_name_changed (void *src)
 414
 415 {
 416         if (src != this) {
 417                 label_view ();
 418         }
 419 }
 420
 421 void
 422 AudioTimeAxisView::playlist_click ()
 423 {
 424         // always build a new action menu
 425
 426         if (playlist_action_menu == 0) {
 427                 playlist_action_menu = new Menu;
 428                 playlist_action_menu->set_name ("ArdourContextMenu");
 429         }
 430
 431         build_playlist_menu(playlist_action_menu);
 432
 433         playlist_action_menu->popup (1, 0);
 434 }
 435
 436 void
 437 AudioTimeAxisView::automation_click ()
 438 {
 439         if (automation_action_menu == 0) {
 440                 /* this seems odd, but the automation action
 441                    menu is built as part of the display menu.
 442                 */
 443                 build_display_menu ();
 444         }
 445         automation_action_menu->popup (1, 0);
 446 }
 447
 448 void
 449 AudioTimeAxisView::show_timestretch (jack_nframes_t start, jack_nframes_t end)
 450 {
 451         double x1;
 452         double x2;
 453         double y2;
 454
 455         TimeAxisView::show_timestretch (start, end);
 456
 457         hide_timestretch ();
 458
 459 #if 0
 460         if (ts.empty()) {
 461                 return;
 462         }
 463
 464
 465         /* check that the time selection was made in our route, or our edit group.
 466            remember that edit_group() == 0 implies the route is *not* in a edit group.
 467         */
 468
 469         if (!(ts.track == this || (ts.group != 0 && ts.group == _route.edit_group()))) {
 470                 /* this doesn't apply to us */
 471                 return;
 472         }
 473
 474         /* ignore it if our edit group is not active */
 475
 476         if ((ts.track != this) && _route.edit_group() && !_route.edit_group()->is_active()) {
 477                 return;
 478         }
 479 #endif
 480
 481         if (timestretch_rect == 0) {
 482                 timestretch_rect = new SimpleRect (*canvas_display);
 483                 timestretch_rect->property_x1() =  0.0;
 484                 timestretch_rect->property_y1() =  0.0;
 485                 timestretch_rect->property_x2() =  0.0;
 486                 timestretch_rect->property_y2() =  0.0;
 487                 timestretch_rect->property_fill_color_rgba() =  color_map[cTimeStretchFill];
 488                 timestretch_rect->property_outline_color_rgba() = color_map[cTimeStretchOutline];
 489         }
 490
 491         timestretch_rect->show ();
 492         timestretch_rect->raise_to_top ();
 493
 494         x1 = start / editor.get_current_zoom();
 495         x2 = (end - 1) / editor.get_current_zoom();
 496         y2 = height - 2;
 497
 498         timestretch_rect->property_x1() = x1;
 499         timestretch_rect->property_y1() = 1.0;
 500         timestretch_rect->property_x2() = x2;
 501         timestretch_rect->property_y2() = y2;
 502 }
 503
 504 void
 505 AudioTimeAxisView::hide_timestretch ()
 506 {
 507         TimeAxisView::hide_timestretch ();
 508
 509         if (timestretch_rect) {
 510                 timestretch_rect->hide ();
 511         }
 512 }
 513
 514 void
 515 AudioTimeAxisView::show_selection (TimeSelection& ts)
 516 {
 517
 518 #if 0
 519         /* ignore it if our edit group is not active or if the selection was started
 520            in some other track or edit group (remember that edit_group() == 0 means
 521            that the track is not in an edit group).
 522         */
 523
 524         if (((ts.track != this && !is_child (ts.track)) && _route.edit_group() && !_route.edit_group()->is_active()) ||
 525             (!(ts.track == this || is_child (ts.track) || (ts.group != 0 && ts.group == _route.edit_group())))) {
 526                 hide_selection ();
 527                 return;
 528         }
 529 #endif
 530
 531         TimeAxisView::show_selection (ts);
 532 }
 533
 534 void
 535 AudioTimeAxisView::set_state (const XMLNode& node)
 536 {
 537         const XMLProperty *prop;
 538
 539         TimeAxisView::set_state (node);
 540
 541         if ((prop = node.property ("shown_editor")) != 0) {
 542                 if (prop->value() == "no") {
 543                         _marked_for_display = false;
 544                 } else {
 545                         _marked_for_display = true;
 546                 }
 547         } else {
 548                 _marked_for_display = true;
 549         }
 550
 551         XMLNodeList nlist = node.children();
 552         XMLNodeConstIterator niter;
 553         XMLNode *child_node;
 554
 555
 556         show_gain_automation = false;
 557         show_pan_automation  = false;
 558
 559         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 560                 child_node = *niter;
 561
 562                 if (child_node->name() == "gain") {
 563                         XMLProperty *prop=child_node->property ("shown");
 564
 565                         if (prop != 0) {
 566                                 if (prop->value() == "yes") {
 567                                         show_gain_automation = true;
 568                                 }
 569                         }
 570                         continue;
 571                 }
 572
 573                 if (child_node->name() == "pan") {
 574                         XMLProperty *prop=child_node->property ("shown");
 575
 576                         if (prop != 0) {
 577                                 if (prop->value() == "yes") {
 578                                         show_pan_automation = true;
 579                                 }
 580                         }
 581                         continue;
 582                 }
 583         }
 584 }
 585
 586 void
 587 AudioTimeAxisView::set_height (TrackHeight h)
 588 {
 589         bool height_changed = (h != height_style);
 590
 591         TimeAxisView::set_height (h);
 592
 593         ensure_xml_node ();
 594
 595         view->set_height ((double) height);
 596
 597         switch (height_style) {
 598         case Largest:
 599                 xml_node->add_property ("track_height", "largest");
 600                 show_name_entry ();
 601                 hide_name_label ();
 602                 controls_table.show_all();
 603                 break;
 604         case Large:
 605                 xml_node->add_property ("track_height", "large");
 606                 show_name_entry ();
 607                 hide_name_label ();
 608                 controls_table.show_all();
 609                 break;
 610         case Larger:
 611                 xml_node->add_property ("track_height", "larger");
 612                 show_name_entry ();
 613                 hide_name_label ();
 614                 controls_table.show_all();
 615                 break;
 616         case Normal:
 617                 xml_node->add_property ("track_height", "normal");
 618                 show_name_entry ();
 619                 hide_name_label ();
 620                 controls_table.show_all();
 621                 break;
 622         case Smaller:
 623                 xml_node->add_property ("track_height", "smaller");
 624                 controls_table.show_all ();
 625                 show_name_entry ();
 626                 hide_name_label ();
 627                 edit_group_button.hide ();
 628                 hide_button.hide ();
 629                 visual_button.hide ();
 630                 size_button.hide ();
 631                 automation_button.hide ();
 632                 playlist_button.hide ();
 633                 break;
 634         case Small:
 635                 xml_node->add_property ("track_height", "small");
 636                 controls_table.hide_all ();
 637                 controls_table.show ();
 638                 hide_name_entry ();
 639                 show_name_label ();
 640                 name_label.set_text (_route.name());
 641                 break;
 642         }
 643
 644         if (height_changed) {
 645                 /* only emit the signal if the height really changed */
 646                  _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 647         }
 648 }
 649
 650 void
 651 AudioTimeAxisView::select_track_color ()
 652 {
 653         if (RouteUI::choose_color ()) {
 654
 655                 if (view) {
 656                         view->apply_color (_color, StreamView::RegionColor);
 657                 }
 658         }
 659 }
 660
 661 void
 662 AudioTimeAxisView::reset_redirect_automation_curves ()
 663 {
 664         for (vector<RedirectAutomationLine*>::iterator i = redirect_automation_curves.begin(); i != redirect_automation_curves.end(); ++i) {
 665                 (*i)->reset();
 666         }
 667 }
 668
 669 void
 670 AudioTimeAxisView::reset_samples_per_unit ()
 671 {
 672         set_samples_per_unit (editor.get_current_zoom());
 673 }
 674
 675 void
 676 AudioTimeAxisView::set_samples_per_unit (double spu)
 677 {
 678         double speed = 1.0;
 679
 680         if (get_diskstream() != 0) {
 681                 speed = get_diskstream()->speed();
 682         }
 683
 684         if (view) {
 685                 view->set_samples_per_unit (spu * speed);
 686         }
 687
 688         TimeAxisView::set_samples_per_unit (spu * speed);
 689 }
 690
 691 void
 692 AudioTimeAxisView::build_display_menu ()
 693 {
 694         using namespace Menu_Helpers;
 695
 696         /* get the size menu ready */
 697
 698         build_size_menu ();
 699
 700         /* prepare it */
 701
 702         TimeAxisView::build_display_menu ();
 703
 704         /* now fill it with our stuff */
 705
 706         MenuList& items = display_menu->items();
 707         display_menu->set_name ("ArdourContextMenu");
 708
 709         items.push_back (MenuElem (_("Height"), *size_menu));
 710         items.push_back (MenuElem (_("Color"), mem_fun(*this, &AudioTimeAxisView::select_track_color)));
 711
 712
 713         items.push_back (SeparatorElem());
 714         items.push_back (MenuElem (_("Hide all crossfades"), mem_fun(*this, &AudioTimeAxisView::hide_all_xfades)));
 715         items.push_back (MenuElem (_("Show all crossfades"), mem_fun(*this, &AudioTimeAxisView::show_all_xfades)));
 716         items.push_back (SeparatorElem());
 717
 718
 719         automation_action_menu = manage (new Menu);
 720         MenuList& automation_items = automation_action_menu->items();
 721         automation_action_menu->set_name ("ArdourContextMenu");
 722
 723         automation_items.push_back (MenuElem (_("show all automation"),
 724                                               mem_fun(*this, &AudioTimeAxisView::show_all_automation)));
 725
 726         automation_items.push_back (MenuElem (_("show existing automation"),
 727                                               mem_fun(*this, &AudioTimeAxisView::show_existing_automation)));
 728
 729         automation_items.push_back (MenuElem (_("hide all automation"),
 730                                               mem_fun(*this, &AudioTimeAxisView::hide_all_automation)));
 731
 732         automation_items.push_back (SeparatorElem());
 733
 734         automation_items.push_back (CheckMenuElem (_("gain"),
 735                                                    mem_fun(*this, &AudioTimeAxisView::toggle_gain_track)));
 736         gain_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 737         gain_automation_item->set_active(show_gain_automation);
 738
 739         automation_items.push_back (CheckMenuElem (_("pan"),
 740                                                    mem_fun(*this, &AudioTimeAxisView::toggle_pan_track)));
 741         pan_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 742         pan_automation_item->set_active(show_pan_automation);
 743
 744         automation_items.push_back (MenuElem (_("Plugins"), subplugin_menu));
 745
 746         items.push_back (MenuElem (_("Automation"), *automation_action_menu));
 747
 748         Menu *waveform_menu = manage(new Menu);
 749         MenuList& waveform_items = waveform_menu->items();
 750         waveform_menu->set_name ("ArdourContextMenu");
 751
 752         waveform_items.push_back (CheckMenuElem (_("Show waveforms"), mem_fun(*this, &AudioTimeAxisView::toggle_waveforms)));
 753         waveform_item = static_cast<CheckMenuItem *> (&waveform_items.back());
 754         ignore_toggle = true;
 755         waveform_item->set_active (editor.show_waveforms());
 756         ignore_toggle = false;
 757
 758         RadioMenuItem::Group group;
 759
 760         waveform_items.push_back (RadioMenuElem (group, _("Traditional"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Traditional)));
 761         traditional_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 762
 763         waveform_items.push_back (RadioMenuElem (group, _("Rectified"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Rectified)));
 764         rectified_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 765
 766         items.push_back (MenuElem (_("Waveform"), *waveform_menu));
 767
 768         if (is_audio_track()) {
 769
 770                 Menu* alignment_menu = manage (new Menu);
 771                 MenuList& alignment_items = alignment_menu->items();
 772                 alignment_menu->set_name ("ArdourContextMenu");
 773
 774                 RadioMenuItem::Group align_group;
 775
 776                 alignment_items.push_back (RadioMenuElem (align_group, _("align with existing material"), bind (mem_fun(*this, &AudioTimeAxisView::set_align_style), ExistingMaterial)));
 777                 align_existing_item = dynamic_cast<RadioMenuItem*>(&alignment_items.back());
 778                 if (get_diskstream()->alignment_style() == ExistingMaterial) {
 779                         align_existing_item->set_active();
 780                 }
 781                 alignment_items.push_back (RadioMenuElem (align_group, _("align with capture time"), bind (mem_fun(*this, &AudioTimeAxisView::set_align_style), CaptureTime)));
 782                 align_capture_item = dynamic_cast<RadioMenuItem*>(&alignment_items.back());
 783                 if (get_diskstream()->alignment_style() == CaptureTime) {
 784                         align_capture_item->set_active();
 785                 }
 786
 787                 items.push_back (MenuElem (_("Alignment"), *alignment_menu));
 788
 789                 get_diskstream()->AlignmentStyleChanged.connect (mem_fun(*this, &AudioTimeAxisView::align_style_changed));
 790         }
 791
 792         items.push_back (SeparatorElem());
 793         items.push_back (CheckMenuElem (_("Active"), mem_fun(*this, &RouteUI::toggle_route_active)));
 794         route_active_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
 795         route_active_menu_item->set_active (_route.active());
 796
 797         items.push_back (SeparatorElem());
 798         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &RouteUI::remove_this_route)));
 799
 800 }
 801
 802 void
 803 AudioTimeAxisView::align_style_changed ()
 804 {
 805         switch (get_diskstream()->alignment_style()) {
 806         case ExistingMaterial:
 807                 if (!align_existing_item->get_active()) {
 808                         align_existing_item->set_active();
 809                 }
 810                 break;
 811         case CaptureTime:
 812                 if (!align_capture_item->get_active()) {
 813                         align_capture_item->set_active();
 814                 }
 815                 break;
 816         }
 817 }
 818
 819 void
 820 AudioTimeAxisView::set_align_style (AlignStyle style)
 821 {
 822         get_diskstream()->set_align_style (style);
 823 }
 824
 825 void
 826 AudioTimeAxisView::rename_current_playlist ()
 827 {
 828         ArdourPrompter prompter (true);
 829         string name;
 830
 831         AudioPlaylist *pl;
 832         DiskStream *ds;
 833
 834         if (((ds = get_diskstream()) == 0) ||((pl = ds->playlist()) == 0)) {
 835                 return;
 836         }
 837
 838         prompter.set_prompt (_("Name for playlist"));
 839         prompter.set_initial_text (pl->name());
 840
 841         switch (prompter.run ()) {
 842         case Gtk::RESPONSE_ACCEPT:
 843                 prompter.get_result (name);
 844                 if (name.length()) {
 845                         pl->set_name (name);
 846                 }
 847                 break;
 848
 849         default:
 850                 break;
 851         }
 852 }
 853
 854 void
 855 AudioTimeAxisView::playlist_selected (AudioPlaylist *pl)
 856 {
 857         DiskStream *ds;
 858
 859         if ((ds = get_diskstream()) != 0) {
 860                 ds->use_playlist (pl);
 861         }
 862 }
 863
 864 void
 865 AudioTimeAxisView::use_copy_playlist ()
 866 {
 867         AudioPlaylist *pl;
 868         DiskStream *ds;
 869         string name;
 870
 871         if (((ds = get_diskstream()) == 0) || ((pl = ds->playlist()) == 0)) {
 872                 return;
 873         }
 874
 875         ArdourPrompter prompter (true);
 876         string new_name = Playlist::bump_name (pl->name(), _session);
 877
 878         prompter.set_prompt (_("Name for playlist"));
 879         prompter.set_initial_text (new_name);
 880         prompter.show_all ();
 881
 882         switch (prompter.run ()) {
 883         case Gtk::RESPONSE_ACCEPT:
 884                 prompter.get_result (name);
 885                 if (name.length()) {
 886                         ds->use_copy_playlist ();
 887                         pl = ds->playlist();
 888                         pl->set_name (name);
 889                 }
 890                 break;
 891
 892         default:
 893                 break;
 894         }
 895 }
 896
 897 void
 898 AudioTimeAxisView::use_new_playlist ()
 899 {
 900         AudioPlaylist *pl;
 901         DiskStream *ds;
 902         string name;
 903
 904         if (((ds = get_diskstream()) == 0) || ((pl = ds->playlist()) == 0)) {
 905                 return;
 906         }
 907
 908         ArdourPrompter prompter (true);
 909         string new_name = Playlist::bump_name (pl->name(), _session);
 910
 911         prompter.set_prompt (_("Name for playlist"));
 912         prompter.set_initial_text (new_name);
 913
 914         switch (prompter.run ()) {
 915         case Gtk::RESPONSE_ACCEPT:
 916                 prompter.get_result (name);
 917                 if (name.length()) {
 918                         ds->use_new_playlist ();
 919                         pl = ds->playlist();
 920                         pl->set_name (name);
 921                 }
 922                 break;
 923
 924         default:
 925                 break;
 926         }
 927 }
 928
 929 void
 930 AudioTimeAxisView::clear_playlist ()
 931 {
 932         AudioPlaylist *pl;
 933         DiskStream *ds;
 934
 935         if ((ds = get_diskstream()) != 0) {
 936                 if ((pl = ds->playlist()) != 0) {
 937                         editor.clear_playlist (*pl);
 938                 }
 939         }
 940 }
 941
 942 void
 943 AudioTimeAxisView::toggle_waveforms ()
 944 {
 945         if (view && waveform_item && !ignore_toggle) {
 946                 view->set_show_waveforms (waveform_item->get_active());
 947         }
 948 }
 949
 950 void
 951 AudioTimeAxisView::set_show_waveforms (bool yn)
 952 {
 953         if (waveform_item) {
 954                 waveform_item->set_active (yn);
 955         } else {
 956                 view->set_show_waveforms (yn);
 957         }
 958 }
 959
 960 void
 961 AudioTimeAxisView::set_show_waveforms_recording (bool yn)
 962 {
 963         if (view) {
 964                 view->set_show_waveforms_recording (yn);
 965         }
 966 }
 967
 968 void
 969 AudioTimeAxisView::set_waveform_shape (WaveformShape shape)
 970 {
 971         if (view) {
 972                 view->set_waveform_shape (shape);
 973         }
 974 }
 975
 976 void
 977 AudioTimeAxisView::speed_changed ()
 978 {
 979         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &AudioTimeAxisView::reset_samples_per_unit));
 980 }
 981
 982 void
 983 AudioTimeAxisView::diskstream_changed (void *src)
 984 {
 985         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &AudioTimeAxisView::update_diskstream_display));
 986 }
 987
 988 void
 989 AudioTimeAxisView::update_diskstream_display ()
 990 {
 991         DiskStream *ds;
 992
 993         if ((ds = get_diskstream()) != 0) {
 994                 set_playlist (ds->playlist ());
 995         }
 996
 997         map_frozen ();
 998 }
 999
1000 void
1001 AudioTimeAxisView::selection_click (GdkEventButton* ev)
1002 {
1003         PublicEditor::TrackViewList* tracks = editor.get_valid_views (this, _route.edit_group());
1004
1005         if (Keyboard::modifier_state_contains (ev->state, Keyboard::Shift)) {
1006                 if (editor.get_selection().selected (this)) {
1007                         editor.get_selection().remove (*tracks);
1008                 } else {
1009                         editor.get_selection().add (*tracks);
1010                 }
1011         } else {
1012                 editor.get_selection().set (*tracks);
1013         }
1014
1015         delete tracks;
1016 }
1017
1018 void
1019 AudioTimeAxisView::set_selected_regionviews (AudioRegionSelection& regions)
1020 {
1021         if (view) {
1022                 view->set_selected_regionviews (regions);
1023         }
1024 }
1025
1026 void
1027 AudioTimeAxisView::set_selected_points (PointSelection& points)
1028 {
1029         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1030                 (*i)->set_selected_points (points);
1031         }
1032 }
1033
1034 void
1035 AudioTimeAxisView::get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& results)
1036 {
1037         double speed = 1.0;
1038
1039         if (get_diskstream() != 0) {
1040                 speed = get_diskstream()->speed();
1041         }
1042
1043         jack_nframes_t start_adjusted = session_frame_to_track_frame(start, speed);
1044         jack_nframes_t end_adjusted   = session_frame_to_track_frame(end, speed);
1045
1046         if (view && touched (top, bot)) {
1047                 view->get_selectables (start_adjusted, end_adjusted, results);
1048         }
1049
1050         /* pick up visible automation tracks */
1051
1052         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1053                 if (!(*i)->hidden()) {
1054                         (*i)->get_selectables (start_adjusted, end_adjusted, top, bot, results);
1055                 }
1056         }
1057 }
1058
1059 void
1060 AudioTimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
1061 {
1062         if (view) {
1063                 view->get_inverted_selectables (sel, results);
1064         }
1065
1066         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1067                 if (!(*i)->hidden()) {
1068                         (*i)->get_inverted_selectables (sel, results);
1069                 }
1070         }
1071
1072         return;
1073 }
1074
1075 RouteGroup*
1076 AudioTimeAxisView::edit_group() const
1077 {
1078         return _route.edit_group();
1079 }
1080
1081 string
1082 AudioTimeAxisView::name() const
1083 {
1084         return _route.name();
1085 }
1086
1087 Playlist *
1088 AudioTimeAxisView::playlist () const
1089 {
1090         DiskStream *ds;
1091
1092         if ((ds = get_diskstream()) != 0) {
1093                 return ds->playlist();
1094         } else {
1095                 return 0;
1096         }
1097 }
1098
1099 void
1100 AudioTimeAxisView::name_entry_changed ()
1101 {
1102         string x;
1103
1104         x = name_entry.get_text ();
1105
1106         if (x == _route.name()) {
1107                 return;
1108         }
1109
1110         if (x.length() == 0) {
1111                 name_entry.set_text (_route.name());
1112                 return;
1113         }
1114
1115         strip_whitespace_edges(x);
1116
1117         if (_session.route_name_unique (x)) {
1118                 _route.set_name (x, this);
1119         } else {
1120                 ARDOUR_UI::instance()->popup_error (_("a track already exists with that name"));
1121                 name_entry.set_text (_route.name());
1122         }
1123 }
1124
1125 void
1126 AudioTimeAxisView::visual_click ()
1127 {
1128         popup_display_menu (0);
1129 }
1130
1131 void
1132 AudioTimeAxisView::hide_click ()
1133 {
1134         editor.hide_track_in_display (*this);
1135 }
1136
1137 Region*
1138 AudioTimeAxisView::find_next_region (jack_nframes_t pos, RegionPoint point, int32_t dir)
1139 {
1140         DiskStream *stream;
1141         AudioPlaylist *playlist;
1142
1143         if ((stream = get_diskstream()) != 0 && (playlist = stream->playlist()) != 0) {
1144                 return playlist->find_next_region (pos, point, dir);
1145         }
1146
1147         return 0;
1148 }
1149
1150 void
1151 AudioTimeAxisView::add_gain_automation_child ()
1152 {
1153         XMLProperty* prop;
1154         AutomationLine* line;
1155
1156         gain_track = new GainAutomationTimeAxisView (_session,
1157                                                      _route,
1158                                                      editor,
1159                                                      *this,
1160                                                      parent_canvas,
1161                                                      _("gain"),
1162                                                      _route.gain_automation_curve());
1163
1164         line = new AutomationGainLine ("automation gain",
1165                                        _session,
1166                                        *gain_track,
1167                                        *gain_track->canvas_display,
1168                                        _route.gain_automation_curve());
1169
1170         line->set_line_color (color_map[cAutomationLine]);
1171
1172
1173         gain_track->add_line (*line);
1174
1175         add_child (gain_track);
1176
1177         gain_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::gain_hidden));
1178
1179         bool hideit = true;
1180
1181         XMLNode* node;
1182
1183         if ((node = gain_track->get_state_node()) != 0) {
1184                 if  ((prop = node->property ("shown")) != 0) {
1185                         if (prop->value() == "yes") {
1186                                 hideit = false;
1187                         }
1188                 }
1189         }
1190
1191         if (hideit) {
1192                 gain_track->hide ();
1193         }
1194 }
1195
1196 void
1197 AudioTimeAxisView::add_pan_automation_child ()
1198 {
1199         XMLProperty* prop;
1200
1201         pan_track = new PanAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, _("pan"));
1202
1203         update_pans ();
1204
1205         add_child (pan_track);
1206
1207         pan_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::pan_hidden));
1208
1209         ensure_xml_node ();
1210         bool hideit = true;
1211
1212         XMLNode* node;
1213
1214         if ((node = pan_track->get_state_node()) != 0) {
1215                 if ((prop = node->property ("shown")) != 0) {
1216                         if (prop->value() == "yes") {
1217                                 hideit = false;
1218                         }
1219                 }
1220         }
1221
1222         if (hideit) {
1223                 pan_track->hide ();
1224         }
1225 }
1226
1227 void
1228 AudioTimeAxisView::update_pans ()
1229 {
1230         Panner::iterator p;
1231
1232         pan_track->clear_lines ();
1233
1234         /* we don't draw lines for "greater than stereo" panning.
1235          */
1236
1237         if (_route.n_outputs() > 2) {
1238                 return;
1239         }
1240
1241         for (p = _route.panner().begin(); p != _route.panner().end(); ++p) {
1242
1243                 AutomationLine* line;
1244
1245                 line = new AutomationPanLine ("automation pan", _session, *pan_track,
1246                                               *pan_track->canvas_display,
1247                                               (*p)->automation());
1248
1249                 if (p == _route.panner().begin()) {
1250                         /* first line is a nice orange */
1251                         line->set_line_color (color_map[cLeftPanAutomationLine]);
1252                 } else {
1253                         /* second line is a nice blue */
1254                         line->set_line_color (color_map[cRightPanAutomationLine]);
1255                 }
1256
1257                 pan_track->add_line (*line);
1258         }
1259 }
1260
1261 void
1262 AudioTimeAxisView::toggle_gain_track ()
1263 {
1264
1265         bool showit = gain_automation_item->get_active();
1266
1267         if (showit != gain_track->marked_for_display()) {
1268                 if (showit) {
1269                         gain_track->set_marked_for_display (true);
1270                         gain_track->canvas_display->show();
1271                         gain_track->get_state_node()->add_property ("shown", X_("yes"));
1272                 } else {
1273                         gain_track->set_marked_for_display (false);
1274                         gain_track->hide ();
1275                         gain_track->get_state_node()->add_property ("shown", X_("no"));
1276                 }
1277
1278                 /* now trigger a redisplay */
1279
1280                 if (!no_redraw) {
1281                          _route.gui_changed (X_("track_height"), (void *) 0); /* EMIT_SIGNAL */
1282                 }
1283         }
1284 }
1285
1286 void
1287 AudioTimeAxisView::gain_hidden ()
1288 {
1289         gain_track->get_state_node()->add_property (X_("shown"), X_("no"));
1290
1291         if (gain_automation_item && !_hidden) {
1292                 gain_automation_item->set_active (false);
1293         }
1294
1295          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1296 }
1297
1298 void
1299 AudioTimeAxisView::toggle_pan_track ()
1300 {
1301         bool showit = pan_automation_item->get_active();
1302
1303         if (showit != pan_track->marked_for_display()) {
1304                 if (showit) {
1305                         pan_track->set_marked_for_display (true);
1306                         pan_track->canvas_display->show();
1307                         pan_track->get_state_node()->add_property ("shown", X_("yes"));
1308                 } else {
1309                         pan_track->set_marked_for_display (false);
1310                         pan_track->hide ();
1311                         pan_track->get_state_node()->add_property ("shown", X_("no"));
1312                 }
1313
1314                 /* now trigger a redisplay */
1315
1316                 if (!no_redraw) {
1317                          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1318                 }
1319         }
1320 }
1321
1322 void
1323 AudioTimeAxisView::pan_hidden ()
1324 {
1325         pan_track->get_state_node()->add_property ("shown", "no");
1326
1327         if (pan_automation_item && !_hidden) {
1328                 pan_automation_item->set_active (false);
1329         }
1330
1331          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1332 }
1333
1334 AudioTimeAxisView::RedirectAutomationInfo::~RedirectAutomationInfo ()
1335 {
1336         for (vector<RedirectAutomationNode*>::iterator i = lines.begin(); i != lines.end(); ++i) {
1337                 delete *i;
1338         }
1339 }
1340
1341
1342 AudioTimeAxisView::RedirectAutomationNode::~RedirectAutomationNode ()
1343 {
1344         parent.remove_ran (this);
1345
1346         if (view) {
1347                 delete view;
1348         }
1349 }
1350
1351 void
1352 AudioTimeAxisView::remove_ran (RedirectAutomationNode* ran)
1353 {
1354         if (ran->view) {
1355                 remove_child (ran->view);
1356         }
1357 }
1358
1359 AudioTimeAxisView::RedirectAutomationNode*
1360 AudioTimeAxisView::find_redirect_automation_node (Redirect *redirect, uint32_t what)
1361 {
1362         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1363
1364                 if ((*i)->redirect == redirect) {
1365
1366                         for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1367                                 if ((*ii)->what == what) {
1368                                         return *ii;
1369                                 }
1370                         }
1371                 }
1372         }
1373
1374         return 0;
1375 }
1376
1377 static string
1378 legalize_for_xml_node (string str)
1379 {
1380         string::size_type pos;
1381         string legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=:";
1382         string legal;
1383
1384         legal = str;
1385         pos = 0;
1386
1387         while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
1388                 legal.replace (pos, 1, "_");
1389                 pos += 1;
1390         }
1391
1392         return legal;
1393 }
1394
1395
1396 void
1397 AudioTimeAxisView::add_redirect_automation_curve (Redirect *redirect, uint32_t what)
1398 {
1399         RedirectAutomationLine* ral;
1400         string name;
1401         RedirectAutomationNode* ran;
1402
1403         if ((ran = find_redirect_automation_node (redirect, what)) == 0) {
1404                 fatal << _("programming error: ")
1405                       << string_compose (X_("redirect automation curve for %1:%2 not registered with audio track!"),
1406                                   redirect->name(), what)
1407                       << endmsg;
1408                 /*NOTREACHED*/
1409                 return;
1410         }
1411
1412         if (ran->view) {
1413                 return;
1414         }
1415
1416         name = redirect->describe_parameter (what);
1417
1418         /* create a string that is a legal XML node name that can be used to refer to this redirect+port combination */
1419
1420         char state_name[256];
1421         snprintf (state_name, sizeof (state_name), "Redirect-%s-%" PRIu32, legalize_for_xml_node (redirect->name()).c_str(), what);
1422
1423         ran->view = new RedirectAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, name, what, *redirect, state_name);
1424
1425         ral = new RedirectAutomationLine (name,
1426                                           *redirect, what, _session, *ran->view,
1427                                           *ran->view->canvas_display, redirect->automation_list (what));
1428
1429         ral->set_line_color (color_map[cRedirectAutomationLine]);
1430         ral->queue_reset ();
1431
1432         ran->view->add_line (*ral);
1433
1434         ran->view->Hiding.connect (bind (mem_fun(*this, &AudioTimeAxisView::redirect_automation_track_hidden), ran, redirect));
1435
1436         if (!ran->view->marked_for_display()) {
1437                 ran->view->hide ();
1438         } else {
1439                 ran->menu_item->set_active (true);
1440         }
1441
1442         add_child (ran->view);
1443
1444         view->foreach_regionview (bind (mem_fun(*this, &AudioTimeAxisView::add_ghost_to_redirect), ran->view));
1445
1446         redirect->mark_automation_visible (what, true);
1447 }
1448
1449 void
1450 AudioTimeAxisView::redirect_automation_track_hidden (AudioTimeAxisView::RedirectAutomationNode* ran, Redirect* r)
1451 {
1452         if (!_hidden) {
1453                 ran->menu_item->set_active (false);
1454         }
1455
1456         r->mark_automation_visible (ran->what, false);
1457
1458          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1459 }
1460
1461 void
1462 AudioTimeAxisView::add_existing_redirect_automation_curves (Redirect *redirect)
1463 {
1464         set<uint32_t> s;
1465         RedirectAutomationLine *ral;
1466
1467         redirect->what_has_visible_automation (s);
1468
1469         for (set<uint32_t>::iterator i = s.begin(); i != s.end(); ++i) {
1470
1471                 if ((ral = find_redirect_automation_curve (redirect, *i)) != 0) {
1472                         ral->queue_reset ();
1473                 } else {
1474                         add_redirect_automation_curve (redirect, (*i));
1475                 }
1476         }
1477 }
1478
1479 void
1480 AudioTimeAxisView::add_redirect_to_subplugin_menu (Redirect* r)
1481 {
1482         using namespace Menu_Helpers;
1483         RedirectAutomationInfo *rai;
1484         list<RedirectAutomationInfo*>::iterator x;
1485
1486         const std::set<uint32_t>& automatable = r->what_can_be_automated ();
1487         std::set<uint32_t> has_visible_automation;
1488
1489         r->what_has_visible_automation(has_visible_automation);
1490
1491         if (automatable.empty()) {
1492                 return;
1493         }
1494
1495         for (x = redirect_automation.begin(); x != redirect_automation.end(); ++x) {
1496                 if ((*x)->redirect == r) {
1497                         break;
1498                 }
1499         }
1500
1501         if (x == redirect_automation.end()) {
1502
1503                 rai = new RedirectAutomationInfo (r);
1504                 redirect_automation.push_back (rai);
1505
1506         } else {
1507
1508                 rai = *x;
1509
1510         }
1511
1512         /* any older menu was deleted at the top of redirects_changed()
1513            when we cleared the subplugin menu.
1514         */
1515
1516         rai->menu = manage (new Menu);
1517         MenuList& items = rai->menu->items();
1518         rai->menu->set_name ("ArdourContextMenu");
1519
1520         items.clear ();
1521
1522         for (std::set<uint32_t>::const_iterator i = automatable.begin(); i != automatable.end(); ++i) {
1523
1524                 RedirectAutomationNode* ran;
1525                 CheckMenuItem* mitem;
1526
1527                 string name = r->describe_parameter (*i);
1528
1529                 items.push_back (CheckMenuElem (name));
1530                 mitem = dynamic_cast<CheckMenuItem*> (&items.back());
1531
1532                 if (has_visible_automation.find((*i)) != has_visible_automation.end()) {
1533                         mitem->set_active(true);
1534                 }
1535
1536                 if ((ran = find_redirect_automation_node (r, *i)) == 0) {
1537
1538                         /* new item */
1539
1540                         ran = new RedirectAutomationNode (*i, mitem, *this);
1541
1542                         rai->lines.push_back (ran);
1543
1544                 } else {
1545
1546                         ran->menu_item = mitem;
1547
1548                 }
1549
1550                 mitem->signal_toggled().connect (bind (mem_fun(*this, &AudioTimeAxisView::redirect_menu_item_toggled), rai, ran));
1551         }
1552
1553         /* add the menu for this redirect, because the subplugin
1554            menu is always cleared at the top of redirects_changed().
1555            this is the result of some poor design in gtkmm and/or
1556            GTK+.
1557         */
1558
1559         subplugin_menu.items().push_back (MenuElem (r->name(), *rai->menu));
1560         rai->valid = true;
1561 }
1562
1563 void
1564 AudioTimeAxisView::redirect_menu_item_toggled (AudioTimeAxisView::RedirectAutomationInfo* rai,
1565                                                AudioTimeAxisView::RedirectAutomationNode* ran)
1566 {
1567         bool showit = ran->menu_item->get_active();
1568         bool redraw = false;
1569
1570         if (ran->view == 0 && showit) {
1571                 add_redirect_automation_curve (rai->redirect, ran->what);
1572                 redraw = true;
1573         }
1574
1575         if (showit != ran->view->marked_for_display()) {
1576
1577                 if (showit) {
1578                         ran->view->set_marked_for_display (true);
1579                         ran->view->canvas_display->show();
1580                 } else {
1581                         rai->redirect->mark_automation_visible (ran->what, true);
1582                         ran->view->set_marked_for_display (false);
1583                         ran->view->hide ();
1584                 }
1585
1586                 redraw = true;
1587
1588         }
1589
1590         if (redraw && !no_redraw) {
1591
1592                 /* now trigger a redisplay */
1593
1594                  _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1595
1596         }
1597 }
1598
1599 void
1600 AudioTimeAxisView::redirects_changed (void *src)
1601 {
1602         using namespace Menu_Helpers;
1603
1604         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1605                 (*i)->valid = false;
1606         }
1607
1608         subplugin_menu.items().clear ();
1609
1610         _route.foreach_redirect (this, &AudioTimeAxisView::add_redirect_to_subplugin_menu);
1611         _route.foreach_redirect (this, &AudioTimeAxisView::add_existing_redirect_automation_curves);
1612
1613         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ) {
1614
1615                 list<RedirectAutomationInfo*>::iterator tmp;
1616
1617                 tmp = i;
1618                 ++tmp;
1619
1620                 if (!(*i)->valid) {
1621
1622                         delete *i;
1623                         redirect_automation.erase (i);
1624
1625                 }
1626
1627                 i = tmp;
1628         }
1629
1630         /* change in visibility was possible */
1631
1632         _route.gui_changed ("track_height", this);
1633 }
1634
1635 RedirectAutomationLine *
1636 AudioTimeAxisView::find_redirect_automation_curve (Redirect *redirect, uint32_t what)
1637 {
1638         RedirectAutomationNode* ran;
1639
1640         if ((ran = find_redirect_automation_node (redirect, what)) != 0) {
1641                 if (ran->view) {
1642                         return dynamic_cast<RedirectAutomationLine*> (ran->view->lines.front());
1643                 }
1644         }
1645
1646         return 0;
1647 }
1648
1649 void
1650 AudioTimeAxisView::show_all_automation ()
1651 {
1652         no_redraw = true;
1653
1654         pan_automation_item->set_active (true);
1655         gain_automation_item->set_active (true);
1656
1657         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1658                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1659                         if ((*ii)->view == 0) {
1660                                 add_redirect_automation_curve ((*i)->redirect, (*ii)->what);
1661                         }
1662
1663                         (*ii)->menu_item->set_active (true);
1664                 }
1665         }
1666
1667         no_redraw = false;
1668
1669          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1670 }
1671
1672 void
1673 AudioTimeAxisView::show_existing_automation ()
1674 {
1675         no_redraw = true;
1676
1677         pan_automation_item->set_active (true);
1678         gain_automation_item->set_active (true);
1679
1680         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1681                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1682                         if ((*ii)->view != 0) {
1683                                 (*ii)->menu_item->set_active (true);
1684                         }
1685                 }
1686         }
1687
1688         no_redraw = false;
1689
1690          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1691 }
1692
1693 void
1694 AudioTimeAxisView::hide_all_automation ()
1695 {
1696         no_redraw = true;
1697
1698         pan_automation_item->set_active (false);
1699         gain_automation_item->set_active (false);
1700
1701         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1702                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1703                         (*ii)->menu_item->set_active (false);
1704                 }
1705         }
1706
1707         no_redraw = false;
1708          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1709 }
1710
1711 bool
1712 AudioTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
1713 {
1714         Playlist* what_we_got;
1715         DiskStream* ds = get_diskstream();
1716         Playlist* playlist;
1717         bool ret = false;
1718
1719         if (ds == 0) {
1720                 /* route is a bus, not a track */
1721                 return false;
1722         }
1723
1724         playlist = ds->playlist();
1725
1726
1727         TimeSelection time (selection.time);
1728         float speed = ds->speed();
1729         if (speed != 1.0f) {
1730                 for (TimeSelection::iterator i = time.begin(); i != time.end(); ++i) {
1731                         (*i).start = session_frame_to_track_frame((*i).start, speed);
1732                         (*i).end   = session_frame_to_track_frame((*i).end,   speed);
1733                 }
1734         }
1735
1736         switch (op) {
1737         case Cut:
1738                 _session.add_undo (playlist->get_memento());
1739                 if ((what_we_got = playlist->cut (time)) != 0) {
1740                         editor.get_cut_buffer().add (what_we_got);
1741                         _session.add_redo_no_execute (playlist->get_memento());
1742                         ret = true;
1743                 }
1744                 break;
1745         case Copy:
1746                 if ((what_we_got = playlist->copy (time)) != 0) {
1747                         editor.get_cut_buffer().add (what_we_got);
1748                 }
1749                 break;
1750
1751         case Clear:
1752                 _session.add_undo (playlist->get_memento());
1753                 if ((what_we_got = playlist->cut (time)) != 0) {
1754                         _session.add_redo_no_execute (playlist->get_memento());
1755                         what_we_got->unref ();
1756                         ret = true;
1757                 }
1758                 break;
1759         }
1760
1761         return ret;
1762 }
1763
1764 bool
1765 AudioTimeAxisView::paste (jack_nframes_t pos, float times, Selection& selection, size_t nth)
1766 {
1767         if (!is_audio_track()) {
1768                 return false;
1769         }
1770
1771         Playlist* playlist = get_diskstream()->playlist();
1772         PlaylistSelection::iterator p;
1773
1774         for (p = selection.playlists.begin(); p != selection.playlists.end() && nth; ++p, --nth);
1775
1776         if (p == selection.playlists.end()) {
1777                 return false;
1778         }
1779
1780         if (get_diskstream()->speed() != 1.0f)
1781                 pos = session_frame_to_track_frame(pos, get_diskstream()->speed() );
1782
1783         _session.add_undo (playlist->get_memento());
1784         playlist->paste (**p, pos, times);
1785         _session.add_redo_no_execute (playlist->get_memento());
1786
1787         return true;
1788 }
1789
1790 void
1791 AudioTimeAxisView::region_view_added (AudioRegionView* arv)
1792 {
1793         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1794                 AutomationTimeAxisView* atv;
1795
1796                 if ((atv = dynamic_cast<AutomationTimeAxisView*> (*i)) != 0) {
1797                         arv->add_ghost (*atv);
1798                 }
1799         }
1800 }
1801
1802 void
1803 AudioTimeAxisView::add_ghost_to_redirect (AudioRegionView* arv, AutomationTimeAxisView* atv)
1804 {
1805         arv->add_ghost (*atv);
1806 }
1807
1808 list<TimeAxisView*>
1809 AudioTimeAxisView::get_child_list()
1810 {
1811
1812         list<TimeAxisView*>redirect_children;
1813
1814         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1815                 if (!(*i)->hidden()) {
1816                         redirect_children.push_back(*i);
1817                 }
1818         }
1819         return redirect_children;
1820 }
1821
1822
1823 void
1824 AudioTimeAxisView::build_playlist_menu (Gtk::Menu * menu)
1825 {
1826         using namespace Menu_Helpers;
1827
1828         if (!menu || !is_audio_track()) {
1829                 return;
1830         }
1831
1832         MenuList& playlist_items = menu->items();
1833         menu->set_name ("ArdourContextMenu");
1834         playlist_items.clear();
1835
1836         if (playlist_menu) {
1837                 delete playlist_menu;
1838         }
1839         playlist_menu = new Menu;
1840         playlist_menu->set_name ("ArdourContextMenu");
1841
1842         playlist_items.push_back (MenuElem (string_compose (_("Current: %1"), get_diskstream()->playlist()->name())));
1843         playlist_items.push_back (SeparatorElem());
1844
1845         playlist_items.push_back (MenuElem (_("Rename"), mem_fun(*this, &AudioTimeAxisView::rename_current_playlist)));
1846         playlist_items.push_back (SeparatorElem());
1847
1848         playlist_items.push_back (MenuElem (_("New"), mem_fun(*this, &AudioTimeAxisView::use_new_playlist)));
1849         playlist_items.push_back (MenuElem (_("New Copy"), mem_fun(*this, &AudioTimeAxisView::use_copy_playlist)));
1850         playlist_items.push_back (SeparatorElem());
1851         playlist_items.push_back (MenuElem (_("Clear Current"), mem_fun(*this, &AudioTimeAxisView::clear_playlist)));
1852         playlist_items.push_back (SeparatorElem());
1853         playlist_items.push_back (MenuElem(_("Select"), mem_fun(*this, &AudioTimeAxisView::show_playlist_selector)));
1854
1855 }
1856
1857 void
1858 AudioTimeAxisView::show_playlist_selector ()
1859 {
1860         editor.playlist_selector().show_for (this);
1861 }
1862
1863
1864 void
1865 AudioTimeAxisView::map_frozen ()
1866 {
1867         if (!is_audio_track()) {
1868                 return;
1869         }
1870
1871         ENSURE_GUI_THREAD (mem_fun(*this, &AudioTimeAxisView::map_frozen));
1872
1873
1874         switch (audio_track()->freeze_state()) {
1875         case AudioTrack::Frozen:
1876                 playlist_button.set_sensitive (false);
1877                 rec_enable_button->set_sensitive (false);
1878                 break;
1879         default:
1880                 playlist_button.set_sensitive (true);
1881                 rec_enable_button->set_sensitive (true);
1882                 break;
1883         }
1884 }
1885
1886 void
1887 AudioTimeAxisView::show_all_xfades ()
1888 {
1889         if (view) {
1890                 view->show_all_xfades ();
1891         }
1892 }
1893
1894 void
1895 AudioTimeAxisView::hide_all_xfades ()
1896 {
1897         if (view) {
1898                 view->hide_all_xfades ();
1899         }
1900 }
1901
1902 void
1903 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
1904 {
1905         AudioRegionView* rv;
1906
1907         if (view && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
1908                 view->hide_xfades_involving (*rv);
1909         }
1910 }
1911
1912 void
1913 AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
1914 {
1915         AudioRegionView* rv;
1916
1917         if (view && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
1918                 view->reveal_xfades_involving (*rv);
1919         }
1920 }
1921
1922 void
1923 AudioTimeAxisView::route_active_changed ()
1924 {
1925         RouteUI::route_active_changed ();
1926
1927         if (is_audio_track()) {
1928                 if (_route.active()) {
1929                         controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
1930                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
1931                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
1932                 } else {
1933                         controls_ebox.set_name ("AudioTrackControlsBaseInactiveUnselected");
1934                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
1935                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
1936                 }
1937         } else {
1938                 if (_route.active()) {
1939                         controls_ebox.set_name ("BusControlsBaseUnselected");
1940                         controls_base_selected_name = "BusControlsBaseSelected";
1941                         controls_base_unselected_name = "BusControlsBaseUnselected";
1942                 } else {
1943                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
1944                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
1945                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
1946                 }
1947         }
1948 }
1949
1950 XMLNode*
1951 AudioTimeAxisView::get_child_xml_node (const string & childname)
1952 {
1953         return RouteUI::get_child_xml_node (childname);
1954 }