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() && audio_track()->mode() == ARDOUR::Normal) {
 197                 controls_table.attach (playlist_button, 5, 6, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 198         }
 199
 200         /* remove focus from the buttons */
 201
 202         automation_button.unset_flags (Gtk::CAN_FOCUS);
 203         solo_button->unset_flags (Gtk::CAN_FOCUS);
 204         mute_button->unset_flags (Gtk::CAN_FOCUS);
 205         edit_group_button.unset_flags (Gtk::CAN_FOCUS);
 206         size_button.unset_flags (Gtk::CAN_FOCUS);
 207         playlist_button.unset_flags (Gtk::CAN_FOCUS);
 208         hide_button.unset_flags (Gtk::CAN_FOCUS);
 209         visual_button.unset_flags (Gtk::CAN_FOCUS);
 210
 211         /* map current state of the route */
 212
 213         update_diskstream_display ();
 214         solo_changed(0);
 215         mute_changed(0);
 216         redirects_changed (0);
 217         reset_redirect_automation_curves ();
 218         y_position = -1;
 219
 220         ensure_xml_node ();
 221
 222         set_state (*xml_node);
 223
 224         _route.mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed));
 225         _route.solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 226         _route.redirects_changed.connect (mem_fun(*this, &AudioTimeAxisView::redirects_changed));
 227
 228         _route.name_changed.connect (mem_fun(*this, &AudioTimeAxisView::route_name_changed));
 229
 230         if (is_audio_track()) {
 231
 232                 /* track */
 233
 234                 audio_track()->FreezeChange.connect (mem_fun(*this, &AudioTimeAxisView::map_frozen));
 235
 236                 audio_track()->diskstream_changed.connect (mem_fun(*this, &AudioTimeAxisView::diskstream_changed));
 237                 get_diskstream()->speed_changed.connect (mem_fun(*this, &AudioTimeAxisView::speed_changed));
 238
 239                 controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
 240                 controls_base_selected_name = "AudioTrackControlsBaseSelected";
 241                 controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
 242
 243                 /* ask for notifications of any new RegionViews */
 244
 245                 view->AudioRegionViewAdded.connect (mem_fun(*this, &AudioTimeAxisView::region_view_added));
 246
 247                 view->attach ();
 248
 249                 /* pick up the correct freeze state */
 250
 251                 map_frozen ();
 252
 253         } else {
 254
 255                 /* bus */
 256
 257                 controls_ebox.set_name ("BusControlsBaseUnselected");
 258                 controls_base_selected_name = "BusControlsBaseSelected";
 259                 controls_base_unselected_name = "BusControlsBaseUnselected";
 260         }
 261
 262         editor.ZoomChanged.connect (mem_fun(*this, &AudioTimeAxisView::reset_samples_per_unit));
 263         ColorChanged.connect (mem_fun (*this, &AudioTimeAxisView::color_handler));
 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         RadioMenuItem::Group group;
 341
 342         items.clear ();
 343         items.push_back (RadioMenuElem (group, _("No group"),
 344                                         bind (mem_fun(*this, &AudioTimeAxisView::set_edit_group_from_menu), (RouteGroup *) 0)));
 345
 346         if (_route.edit_group() == 0) {
 347                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
 348         }
 349
 350         _session.foreach_edit_group (bind (mem_fun (*this, &AudioTimeAxisView::add_edit_group_menu_item), &group));
 351         edit_group_menu.popup (ev->button, ev->time);
 352
 353         return FALSE;
 354 }
 355
 356 void
 357 AudioTimeAxisView::add_edit_group_menu_item (RouteGroup *eg, RadioMenuItem::Group* group)
 358 {
 359         using namespace Menu_Helpers;
 360
 361         MenuList &items = edit_group_menu.items();
 362
 363         items.push_back (RadioMenuElem (*group, eg->name(), bind (mem_fun(*this, &AudioTimeAxisView::set_edit_group_from_menu), eg)));
 364         if (_route.edit_group() == eg) {
 365                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
 366         }
 367 }
 368
 369 void
 370 AudioTimeAxisView::set_edit_group_from_menu (RouteGroup *eg)
 371
 372 {
 373         _route.set_edit_group (eg, this);
 374 }
 375
 376 void
 377 AudioTimeAxisView::playlist_state_changed (Change ignored)
 378 {
 379         // ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioTimeAxisView::playlist_state_changed), ignored));
 380         // why are we here ?
 381 }
 382
 383 void
 384 AudioTimeAxisView::playlist_changed ()
 385
 386 {
 387         label_view ();
 388
 389         if (is_audio_track()) {
 390                 set_playlist (get_diskstream()->playlist());
 391         }
 392 }
 393
 394 void
 395 AudioTimeAxisView::label_view ()
 396 {
 397         string x = _route.name();
 398
 399         if (x != name_entry.get_text()) {
 400                 name_entry.set_text (x);
 401         }
 402
 403         ARDOUR_UI::instance()->tooltips().set_tip (name_entry, x);
 404 }
 405
 406 void
 407 AudioTimeAxisView::route_name_changed (void *src)
 408 {
 409         editor.route_name_changed (this);
 410         label_view ();
 411 }
 412
 413 void
 414 AudioTimeAxisView::take_name_changed (void *src)
 415
 416 {
 417         if (src != this) {
 418                 label_view ();
 419         }
 420 }
 421
 422 void
 423 AudioTimeAxisView::playlist_click ()
 424 {
 425         // always build a new action menu
 426
 427         if (playlist_action_menu == 0) {
 428                 playlist_action_menu = new Menu;
 429                 playlist_action_menu->set_name ("ArdourContextMenu");
 430         }
 431
 432         build_playlist_menu(playlist_action_menu);
 433
 434         playlist_action_menu->popup (1, 0);
 435 }
 436
 437 void
 438 AudioTimeAxisView::automation_click ()
 439 {
 440         if (automation_action_menu == 0) {
 441                 /* this seems odd, but the automation action
 442                    menu is built as part of the display menu.
 443                 */
 444                 build_display_menu ();
 445         }
 446         automation_action_menu->popup (1, 0);
 447 }
 448
 449 void
 450 AudioTimeAxisView::show_timestretch (jack_nframes_t start, jack_nframes_t end)
 451 {
 452         double x1;
 453         double x2;
 454         double y2;
 455
 456         TimeAxisView::show_timestretch (start, end);
 457
 458         hide_timestretch ();
 459
 460 #if 0
 461         if (ts.empty()) {
 462                 return;
 463         }
 464
 465
 466         /* check that the time selection was made in our route, or our edit group.
 467            remember that edit_group() == 0 implies the route is *not* in a edit group.
 468         */
 469
 470         if (!(ts.track == this || (ts.group != 0 && ts.group == _route.edit_group()))) {
 471                 /* this doesn't apply to us */
 472                 return;
 473         }
 474
 475         /* ignore it if our edit group is not active */
 476
 477         if ((ts.track != this) && _route.edit_group() && !_route.edit_group()->is_active()) {
 478                 return;
 479         }
 480 #endif
 481
 482         if (timestretch_rect == 0) {
 483                 timestretch_rect = new SimpleRect (*canvas_display);
 484                 timestretch_rect->property_x1() =  0.0;
 485                 timestretch_rect->property_y1() =  0.0;
 486                 timestretch_rect->property_x2() =  0.0;
 487                 timestretch_rect->property_y2() =  0.0;
 488                 timestretch_rect->property_fill_color_rgba() =  color_map[cTimeStretchFill];
 489                 timestretch_rect->property_outline_color_rgba() = color_map[cTimeStretchOutline];
 490         }
 491
 492         timestretch_rect->show ();
 493         timestretch_rect->raise_to_top ();
 494
 495         x1 = start / editor.get_current_zoom();
 496         x2 = (end - 1) / editor.get_current_zoom();
 497         y2 = height - 2;
 498
 499         timestretch_rect->property_x1() = x1;
 500         timestretch_rect->property_y1() = 1.0;
 501         timestretch_rect->property_x2() = x2;
 502         timestretch_rect->property_y2() = y2;
 503 }
 504
 505 void
 506 AudioTimeAxisView::hide_timestretch ()
 507 {
 508         TimeAxisView::hide_timestretch ();
 509
 510         if (timestretch_rect) {
 511                 timestretch_rect->hide ();
 512         }
 513 }
 514
 515 void
 516 AudioTimeAxisView::show_selection (TimeSelection& ts)
 517 {
 518
 519 #if 0
 520         /* ignore it if our edit group is not active or if the selection was started
 521            in some other track or edit group (remember that edit_group() == 0 means
 522            that the track is not in an edit group).
 523         */
 524
 525         if (((ts.track != this && !is_child (ts.track)) && _route.edit_group() && !_route.edit_group()->is_active()) ||
 526             (!(ts.track == this || is_child (ts.track) || (ts.group != 0 && ts.group == _route.edit_group())))) {
 527                 hide_selection ();
 528                 return;
 529         }
 530 #endif
 531
 532         TimeAxisView::show_selection (ts);
 533 }
 534
 535 void
 536 AudioTimeAxisView::set_state (const XMLNode& node)
 537 {
 538         const XMLProperty *prop;
 539
 540         TimeAxisView::set_state (node);
 541
 542         if ((prop = node.property ("shown_editor")) != 0) {
 543                 if (prop->value() == "no") {
 544                         _marked_for_display = false;
 545                 } else {
 546                         _marked_for_display = true;
 547                 }
 548         } else {
 549                 _marked_for_display = true;
 550         }
 551
 552         XMLNodeList nlist = node.children();
 553         XMLNodeConstIterator niter;
 554         XMLNode *child_node;
 555
 556
 557         show_gain_automation = false;
 558         show_pan_automation  = false;
 559
 560         for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
 561                 child_node = *niter;
 562
 563                 if (child_node->name() == "gain") {
 564                         XMLProperty *prop=child_node->property ("shown");
 565
 566                         if (prop != 0) {
 567                                 if (prop->value() == "yes") {
 568                                         show_gain_automation = true;
 569                                 }
 570                         }
 571                         continue;
 572                 }
 573
 574                 if (child_node->name() == "pan") {
 575                         XMLProperty *prop=child_node->property ("shown");
 576
 577                         if (prop != 0) {
 578                                 if (prop->value() == "yes") {
 579                                         show_pan_automation = true;
 580                                 }
 581                         }
 582                         continue;
 583                 }
 584         }
 585 }
 586
 587 void
 588 AudioTimeAxisView::set_height (TrackHeight h)
 589 {
 590         bool height_changed = (h != height_style);
 591
 592         TimeAxisView::set_height (h);
 593
 594         ensure_xml_node ();
 595
 596         view->set_height ((double) height);
 597
 598         switch (height_style) {
 599         case Largest:
 600                 xml_node->add_property ("track_height", "largest");
 601                 show_name_entry ();
 602                 hide_name_label ();
 603                 controls_table.show_all();
 604                 break;
 605         case Large:
 606                 xml_node->add_property ("track_height", "large");
 607                 show_name_entry ();
 608                 hide_name_label ();
 609                 controls_table.show_all();
 610                 break;
 611         case Larger:
 612                 xml_node->add_property ("track_height", "larger");
 613                 show_name_entry ();
 614                 hide_name_label ();
 615                 controls_table.show_all();
 616                 break;
 617         case Normal:
 618                 xml_node->add_property ("track_height", "normal");
 619                 show_name_entry ();
 620                 hide_name_label ();
 621                 controls_table.show_all();
 622                 break;
 623         case Smaller:
 624                 xml_node->add_property ("track_height", "smaller");
 625                 controls_table.show_all ();
 626                 show_name_entry ();
 627                 hide_name_label ();
 628                 edit_group_button.hide ();
 629                 hide_button.hide ();
 630                 visual_button.hide ();
 631                 size_button.hide ();
 632                 automation_button.hide ();
 633                 playlist_button.hide ();
 634                 break;
 635         case Small:
 636                 xml_node->add_property ("track_height", "small");
 637                 controls_table.hide_all ();
 638                 controls_table.show ();
 639                 hide_name_entry ();
 640                 show_name_label ();
 641                 name_label.set_text (_route.name());
 642                 break;
 643         }
 644
 645         if (height_changed) {
 646                 /* only emit the signal if the height really changed */
 647                  _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 648         }
 649 }
 650
 651 void
 652 AudioTimeAxisView::select_track_color ()
 653 {
 654         if (RouteUI::choose_color ()) {
 655
 656                 if (view) {
 657                         view->apply_color (_color, StreamView::RegionColor);
 658                 }
 659         }
 660 }
 661
 662 void
 663 AudioTimeAxisView::reset_redirect_automation_curves ()
 664 {
 665         for (vector<RedirectAutomationLine*>::iterator i = redirect_automation_curves.begin(); i != redirect_automation_curves.end(); ++i) {
 666                 (*i)->reset();
 667         }
 668 }
 669
 670 void
 671 AudioTimeAxisView::reset_samples_per_unit ()
 672 {
 673         set_samples_per_unit (editor.get_current_zoom());
 674 }
 675
 676 void
 677 AudioTimeAxisView::set_samples_per_unit (double spu)
 678 {
 679         double speed = 1.0;
 680
 681         if (get_diskstream() != 0) {
 682                 speed = get_diskstream()->speed();
 683         }
 684
 685         if (view) {
 686                 view->set_samples_per_unit (spu * speed);
 687         }
 688
 689         TimeAxisView::set_samples_per_unit (spu * speed);
 690 }
 691
 692 void
 693 AudioTimeAxisView::build_display_menu ()
 694 {
 695         using namespace Menu_Helpers;
 696
 697         /* get the size menu ready */
 698
 699         build_size_menu ();
 700
 701         /* prepare it */
 702
 703         TimeAxisView::build_display_menu ();
 704
 705         /* now fill it with our stuff */
 706
 707         MenuList& items = display_menu->items();
 708         display_menu->set_name ("ArdourContextMenu");
 709
 710         items.push_back (MenuElem (_("Height"), *size_menu));
 711         items.push_back (MenuElem (_("Color"), mem_fun(*this, &AudioTimeAxisView::select_track_color)));
 712
 713
 714         items.push_back (SeparatorElem());
 715         items.push_back (MenuElem (_("Hide all crossfades"), mem_fun(*this, &AudioTimeAxisView::hide_all_xfades)));
 716         items.push_back (MenuElem (_("Show all crossfades"), mem_fun(*this, &AudioTimeAxisView::show_all_xfades)));
 717         items.push_back (SeparatorElem());
 718
 719
 720         automation_action_menu = manage (new Menu);
 721         MenuList& automation_items = automation_action_menu->items();
 722         automation_action_menu->set_name ("ArdourContextMenu");
 723
 724         automation_items.push_back (MenuElem (_("show all automation"),
 725                                               mem_fun(*this, &AudioTimeAxisView::show_all_automation)));
 726
 727         automation_items.push_back (MenuElem (_("show existing automation"),
 728                                               mem_fun(*this, &AudioTimeAxisView::show_existing_automation)));
 729
 730         automation_items.push_back (MenuElem (_("hide all automation"),
 731                                               mem_fun(*this, &AudioTimeAxisView::hide_all_automation)));
 732
 733         automation_items.push_back (SeparatorElem());
 734
 735         automation_items.push_back (CheckMenuElem (_("gain"),
 736                                                    mem_fun(*this, &AudioTimeAxisView::toggle_gain_track)));
 737         gain_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 738         gain_automation_item->set_active(show_gain_automation);
 739
 740         automation_items.push_back (CheckMenuElem (_("pan"),
 741                                                    mem_fun(*this, &AudioTimeAxisView::toggle_pan_track)));
 742         pan_automation_item = static_cast<CheckMenuItem*> (&automation_items.back());
 743         pan_automation_item->set_active(show_pan_automation);
 744
 745         automation_items.push_back (MenuElem (_("Plugins"), subplugin_menu));
 746
 747         items.push_back (MenuElem (_("Automation"), *automation_action_menu));
 748
 749         Menu *waveform_menu = manage(new Menu);
 750         MenuList& waveform_items = waveform_menu->items();
 751         waveform_menu->set_name ("ArdourContextMenu");
 752
 753         waveform_items.push_back (CheckMenuElem (_("Show waveforms"), mem_fun(*this, &AudioTimeAxisView::toggle_waveforms)));
 754         waveform_item = static_cast<CheckMenuItem *> (&waveform_items.back());
 755         ignore_toggle = true;
 756         waveform_item->set_active (editor.show_waveforms());
 757         ignore_toggle = false;
 758
 759         RadioMenuItem::Group group;
 760
 761         waveform_items.push_back (RadioMenuElem (group, _("Traditional"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Traditional)));
 762         traditional_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 763
 764         waveform_items.push_back (RadioMenuElem (group, _("Rectified"), bind (mem_fun(*this, &AudioTimeAxisView::set_waveform_shape), Rectified)));
 765         rectified_item = static_cast<RadioMenuItem *> (&waveform_items.back());
 766
 767         items.push_back (MenuElem (_("Waveform"), *waveform_menu));
 768
 769         if (is_audio_track()) {
 770
 771                 Menu* alignment_menu = manage (new Menu);
 772                 MenuList& alignment_items = alignment_menu->items();
 773                 alignment_menu->set_name ("ArdourContextMenu");
 774
 775                 RadioMenuItem::Group align_group;
 776
 777                 alignment_items.push_back (RadioMenuElem (align_group, _("align with existing material"), bind (mem_fun(*this, &AudioTimeAxisView::set_align_style), ExistingMaterial)));
 778                 align_existing_item = dynamic_cast<RadioMenuItem*>(&alignment_items.back());
 779                 if (get_diskstream()->alignment_style() == ExistingMaterial) {
 780                         align_existing_item->set_active();
 781                 }
 782                 alignment_items.push_back (RadioMenuElem (align_group, _("align with capture time"), bind (mem_fun(*this, &AudioTimeAxisView::set_align_style), CaptureTime)));
 783                 align_capture_item = dynamic_cast<RadioMenuItem*>(&alignment_items.back());
 784                 if (get_diskstream()->alignment_style() == CaptureTime) {
 785                         align_capture_item->set_active();
 786                 }
 787
 788                 items.push_back (MenuElem (_("Alignment"), *alignment_menu));
 789
 790                 get_diskstream()->AlignmentStyleChanged.connect (mem_fun(*this, &AudioTimeAxisView::align_style_changed));
 791         }
 792
 793         items.push_back (SeparatorElem());
 794         items.push_back (CheckMenuElem (_("Active"), mem_fun(*this, &RouteUI::toggle_route_active)));
 795         route_active_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
 796         route_active_menu_item->set_active (_route.active());
 797
 798         items.push_back (SeparatorElem());
 799         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &RouteUI::remove_this_route)));
 800
 801 }
 802
 803 void
 804 AudioTimeAxisView::align_style_changed ()
 805 {
 806         switch (get_diskstream()->alignment_style()) {
 807         case ExistingMaterial:
 808                 if (!align_existing_item->get_active()) {
 809                         align_existing_item->set_active();
 810                 }
 811                 break;
 812         case CaptureTime:
 813                 if (!align_capture_item->get_active()) {
 814                         align_capture_item->set_active();
 815                 }
 816                 break;
 817         }
 818 }
 819
 820 void
 821 AudioTimeAxisView::set_align_style (AlignStyle style)
 822 {
 823         get_diskstream()->set_align_style (style);
 824 }
 825
 826 void
 827 AudioTimeAxisView::rename_current_playlist ()
 828 {
 829         ArdourPrompter prompter (true);
 830         string name;
 831
 832         AudioPlaylist *pl;
 833         DiskStream *ds;
 834
 835         if (((ds = get_diskstream()) == 0) || ds->destructive() || ((pl = ds->playlist()) == 0)) {
 836                 return;
 837         }
 838
 839         prompter.set_prompt (_("Name for playlist"));
 840         prompter.set_initial_text (pl->name());
 841
 842         switch (prompter.run ()) {
 843         case Gtk::RESPONSE_ACCEPT:
 844                 prompter.get_result (name);
 845                 if (name.length()) {
 846                         pl->set_name (name);
 847                 }
 848                 break;
 849
 850         default:
 851                 break;
 852         }
 853 }
 854
 855 void
 856 AudioTimeAxisView::use_copy_playlist (bool prompt)
 857 {
 858         AudioPlaylist *pl;
 859         DiskStream *ds;
 860         string name;
 861
 862         if (((ds = get_diskstream()) == 0) || ds->destructive() || ((pl = ds->playlist()) == 0)) {
 863                 return;
 864         }
 865
 866         name = Playlist::bump_name (pl->name(), _session);
 867
 868         if (prompt) {
 869
 870                 ArdourPrompter prompter (true);
 871
 872                 prompter.set_prompt (_("Name for playlist"));
 873                 prompter.set_initial_text (name);
 874                 prompter.show_all ();
 875
 876                 switch (prompter.run ()) {
 877                 case Gtk::RESPONSE_ACCEPT:
 878                         prompter.get_result (name);
 879                         break;
 880
 881                 default:
 882                         return;
 883                 }
 884         }
 885
 886         if (name.length()) {
 887                 ds->use_copy_playlist ();
 888                 pl = ds->playlist();
 889                 pl->set_name (name);
 890         }
 891 }
 892
 893 void
 894 AudioTimeAxisView::use_new_playlist (bool prompt)
 895 {
 896         AudioPlaylist *pl;
 897         DiskStream *ds;
 898         string name;
 899
 900         if (((ds = get_diskstream()) == 0) || ds->destructive() || ((pl = ds->playlist()) == 0)) {
 901                 return;
 902         }
 903
 904         name = Playlist::bump_name (pl->name(), _session);
 905
 906         if (prompt) {
 907
 908                 ArdourPrompter prompter (true);
 909
 910                 prompter.set_prompt (_("Name for playlist"));
 911                 prompter.set_initial_text (name);
 912
 913                 switch (prompter.run ()) {
 914                 case Gtk::RESPONSE_ACCEPT:
 915                         prompter.get_result (name);
 916                         break;
 917
 918                 default:
 919                         return;
 920                 }
 921         }
 922
 923         if (name.length()) {
 924                 ds->use_new_playlist ();
 925                 pl = ds->playlist();
 926                 pl->set_name (name);
 927         }
 928 }
 929
 930 void
 931 AudioTimeAxisView::clear_playlist ()
 932 {
 933         AudioPlaylist *pl;
 934         DiskStream *ds;
 935
 936         if ((ds = get_diskstream()) != 0) {
 937                 if ((pl = ds->playlist()) != 0) {
 938                         editor.clear_playlist (*pl);
 939                 }
 940         }
 941 }
 942
 943 void
 944 AudioTimeAxisView::toggle_waveforms ()
 945 {
 946         if (view && waveform_item && !ignore_toggle) {
 947                 view->set_show_waveforms (waveform_item->get_active());
 948         }
 949 }
 950
 951 void
 952 AudioTimeAxisView::set_show_waveforms (bool yn)
 953 {
 954         if (waveform_item) {
 955                 waveform_item->set_active (yn);
 956         } else {
 957                 view->set_show_waveforms (yn);
 958         }
 959 }
 960
 961 void
 962 AudioTimeAxisView::set_show_waveforms_recording (bool yn)
 963 {
 964         if (view) {
 965                 view->set_show_waveforms_recording (yn);
 966         }
 967 }
 968
 969 void
 970 AudioTimeAxisView::set_waveform_shape (WaveformShape shape)
 971 {
 972         if (view) {
 973                 view->set_waveform_shape (shape);
 974         }
 975 }
 976
 977 void
 978 AudioTimeAxisView::speed_changed ()
 979 {
 980         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &AudioTimeAxisView::reset_samples_per_unit));
 981 }
 982
 983 void
 984 AudioTimeAxisView::diskstream_changed (void *src)
 985 {
 986         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &AudioTimeAxisView::update_diskstream_display));
 987 }
 988
 989 void
 990 AudioTimeAxisView::update_diskstream_display ()
 991 {
 992         DiskStream *ds;
 993
 994         if ((ds = get_diskstream()) != 0) {
 995                 set_playlist (ds->playlist ());
 996         }
 997
 998         map_frozen ();
 999 }
1000
1001 void
1002 AudioTimeAxisView::selection_click (GdkEventButton* ev)
1003 {
1004         PublicEditor::TrackViewList* tracks = editor.get_valid_views (this, _route.edit_group());
1005
1006         switch (Keyboard::selection_type (ev->state)) {
1007         case Selection::Toggle:
1008                 /* XXX this is not right */
1009                 editor.get_selection().add (*tracks);
1010                 break;
1011
1012         case Selection::Set:
1013                 editor.get_selection().set (*tracks);
1014                 break;
1015
1016         case Selection::Extend:
1017                 /* not defined yet */
1018                 break;
1019         }
1020
1021         delete tracks;
1022 }
1023
1024 void
1025 AudioTimeAxisView::set_selected_regionviews (AudioRegionSelection& regions)
1026 {
1027         if (view) {
1028                 view->set_selected_regionviews (regions);
1029         }
1030 }
1031
1032 void
1033 AudioTimeAxisView::set_selected_points (PointSelection& points)
1034 {
1035         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1036                 (*i)->set_selected_points (points);
1037         }
1038 }
1039
1040 void
1041 AudioTimeAxisView::get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& results)
1042 {
1043         double speed = 1.0;
1044
1045         if (get_diskstream() != 0) {
1046                 speed = get_diskstream()->speed();
1047         }
1048
1049         jack_nframes_t start_adjusted = session_frame_to_track_frame(start, speed);
1050         jack_nframes_t end_adjusted   = session_frame_to_track_frame(end, speed);
1051
1052         if (view && touched (top, bot)) {
1053                 view->get_selectables (start_adjusted, end_adjusted, results);
1054         }
1055
1056         /* pick up visible automation tracks */
1057
1058         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1059                 if (!(*i)->hidden()) {
1060                         (*i)->get_selectables (start_adjusted, end_adjusted, top, bot, results);
1061                 }
1062         }
1063 }
1064
1065 void
1066 AudioTimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
1067 {
1068         if (view) {
1069                 view->get_inverted_selectables (sel, results);
1070         }
1071
1072         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1073                 if (!(*i)->hidden()) {
1074                         (*i)->get_inverted_selectables (sel, results);
1075                 }
1076         }
1077
1078         return;
1079 }
1080
1081 RouteGroup*
1082 AudioTimeAxisView::edit_group() const
1083 {
1084         return _route.edit_group();
1085 }
1086
1087 string
1088 AudioTimeAxisView::name() const
1089 {
1090         return _route.name();
1091 }
1092
1093 Playlist *
1094 AudioTimeAxisView::playlist () const
1095 {
1096         DiskStream *ds;
1097
1098         if ((ds = get_diskstream()) != 0) {
1099                 return ds->playlist();
1100         } else {
1101                 return 0;
1102         }
1103 }
1104
1105 void
1106 AudioTimeAxisView::name_entry_changed ()
1107 {
1108         string x;
1109
1110         x = name_entry.get_text ();
1111
1112         if (x == _route.name()) {
1113                 return;
1114         }
1115
1116         if (x.length() == 0) {
1117                 name_entry.set_text (_route.name());
1118                 return;
1119         }
1120
1121         strip_whitespace_edges(x);
1122
1123         if (_session.route_name_unique (x)) {
1124                 _route.set_name (x, this);
1125         } else {
1126                 ARDOUR_UI::instance()->popup_error (_("a track already exists with that name"));
1127                 name_entry.set_text (_route.name());
1128         }
1129 }
1130
1131 void
1132 AudioTimeAxisView::visual_click ()
1133 {
1134         popup_display_menu (0);
1135 }
1136
1137 void
1138 AudioTimeAxisView::hide_click ()
1139 {
1140         editor.hide_track_in_display (*this);
1141 }
1142
1143 Region*
1144 AudioTimeAxisView::find_next_region (jack_nframes_t pos, RegionPoint point, int32_t dir)
1145 {
1146         DiskStream *stream;
1147         AudioPlaylist *playlist;
1148
1149         if ((stream = get_diskstream()) != 0 && (playlist = stream->playlist()) != 0) {
1150                 return playlist->find_next_region (pos, point, dir);
1151         }
1152
1153         return 0;
1154 }
1155
1156 void
1157 AudioTimeAxisView::add_gain_automation_child ()
1158 {
1159         XMLProperty* prop;
1160         AutomationLine* line;
1161
1162         gain_track = new GainAutomationTimeAxisView (_session,
1163                                                      _route,
1164                                                      editor,
1165                                                      *this,
1166                                                      parent_canvas,
1167                                                      _("gain"),
1168                                                      _route.gain_automation_curve());
1169
1170         line = new AutomationGainLine ("automation gain",
1171                                        _session,
1172                                        *gain_track,
1173                                        *gain_track->canvas_display,
1174                                        _route.gain_automation_curve());
1175
1176         line->set_line_color (color_map[cAutomationLine]);
1177
1178
1179         gain_track->add_line (*line);
1180
1181         add_child (gain_track);
1182
1183         gain_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::gain_hidden));
1184
1185         bool hideit = true;
1186
1187         XMLNode* node;
1188
1189         if ((node = gain_track->get_state_node()) != 0) {
1190                 if  ((prop = node->property ("shown")) != 0) {
1191                         if (prop->value() == "yes") {
1192                                 hideit = false;
1193                         }
1194                 }
1195         }
1196
1197         if (hideit) {
1198                 gain_track->hide ();
1199         }
1200 }
1201
1202 void
1203 AudioTimeAxisView::add_pan_automation_child ()
1204 {
1205         XMLProperty* prop;
1206
1207         pan_track = new PanAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, _("pan"));
1208
1209         update_pans ();
1210
1211         add_child (pan_track);
1212
1213         pan_track->Hiding.connect (mem_fun(*this, &AudioTimeAxisView::pan_hidden));
1214
1215         ensure_xml_node ();
1216         bool hideit = true;
1217
1218         XMLNode* node;
1219
1220         if ((node = pan_track->get_state_node()) != 0) {
1221                 if ((prop = node->property ("shown")) != 0) {
1222                         if (prop->value() == "yes") {
1223                                 hideit = false;
1224                         }
1225                 }
1226         }
1227
1228         if (hideit) {
1229                 pan_track->hide ();
1230         }
1231 }
1232
1233 void
1234 AudioTimeAxisView::update_pans ()
1235 {
1236         Panner::iterator p;
1237
1238         pan_track->clear_lines ();
1239
1240         /* we don't draw lines for "greater than stereo" panning.
1241          */
1242
1243         if (_route.n_outputs() > 2) {
1244                 return;
1245         }
1246
1247         for (p = _route.panner().begin(); p != _route.panner().end(); ++p) {
1248
1249                 AutomationLine* line;
1250
1251                 line = new AutomationPanLine ("automation pan", _session, *pan_track,
1252                                               *pan_track->canvas_display,
1253                                               (*p)->automation());
1254
1255                 if (p == _route.panner().begin()) {
1256                         /* first line is a nice orange */
1257                         line->set_line_color (color_map[cLeftPanAutomationLine]);
1258                 } else {
1259                         /* second line is a nice blue */
1260                         line->set_line_color (color_map[cRightPanAutomationLine]);
1261                 }
1262
1263                 pan_track->add_line (*line);
1264         }
1265 }
1266
1267 void
1268 AudioTimeAxisView::toggle_gain_track ()
1269 {
1270
1271         bool showit = gain_automation_item->get_active();
1272
1273         if (showit != gain_track->marked_for_display()) {
1274                 if (showit) {
1275                         gain_track->set_marked_for_display (true);
1276                         gain_track->canvas_display->show();
1277                         gain_track->get_state_node()->add_property ("shown", X_("yes"));
1278                 } else {
1279                         gain_track->set_marked_for_display (false);
1280                         gain_track->hide ();
1281                         gain_track->get_state_node()->add_property ("shown", X_("no"));
1282                 }
1283
1284                 /* now trigger a redisplay */
1285
1286                 if (!no_redraw) {
1287                          _route.gui_changed (X_("track_height"), (void *) 0); /* EMIT_SIGNAL */
1288                 }
1289         }
1290 }
1291
1292 void
1293 AudioTimeAxisView::gain_hidden ()
1294 {
1295         gain_track->get_state_node()->add_property (X_("shown"), X_("no"));
1296
1297         if (gain_automation_item && !_hidden) {
1298                 gain_automation_item->set_active (false);
1299         }
1300
1301          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1302 }
1303
1304 void
1305 AudioTimeAxisView::toggle_pan_track ()
1306 {
1307         bool showit = pan_automation_item->get_active();
1308
1309         if (showit != pan_track->marked_for_display()) {
1310                 if (showit) {
1311                         pan_track->set_marked_for_display (true);
1312                         pan_track->canvas_display->show();
1313                         pan_track->get_state_node()->add_property ("shown", X_("yes"));
1314                 } else {
1315                         pan_track->set_marked_for_display (false);
1316                         pan_track->hide ();
1317                         pan_track->get_state_node()->add_property ("shown", X_("no"));
1318                 }
1319
1320                 /* now trigger a redisplay */
1321
1322                 if (!no_redraw) {
1323                          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1324                 }
1325         }
1326 }
1327
1328 void
1329 AudioTimeAxisView::pan_hidden ()
1330 {
1331         pan_track->get_state_node()->add_property ("shown", "no");
1332
1333         if (pan_automation_item && !_hidden) {
1334                 pan_automation_item->set_active (false);
1335         }
1336
1337          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1338 }
1339
1340 AudioTimeAxisView::RedirectAutomationInfo::~RedirectAutomationInfo ()
1341 {
1342         for (vector<RedirectAutomationNode*>::iterator i = lines.begin(); i != lines.end(); ++i) {
1343                 delete *i;
1344         }
1345 }
1346
1347
1348 AudioTimeAxisView::RedirectAutomationNode::~RedirectAutomationNode ()
1349 {
1350         parent.remove_ran (this);
1351
1352         if (view) {
1353                 delete view;
1354         }
1355 }
1356
1357 void
1358 AudioTimeAxisView::remove_ran (RedirectAutomationNode* ran)
1359 {
1360         if (ran->view) {
1361                 remove_child (ran->view);
1362         }
1363 }
1364
1365 AudioTimeAxisView::RedirectAutomationNode*
1366 AudioTimeAxisView::find_redirect_automation_node (Redirect *redirect, uint32_t what)
1367 {
1368         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1369
1370                 if ((*i)->redirect == redirect) {
1371
1372                         for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1373                                 if ((*ii)->what == what) {
1374                                         return *ii;
1375                                 }
1376                         }
1377                 }
1378         }
1379
1380         return 0;
1381 }
1382
1383 static string
1384 legalize_for_xml_node (string str)
1385 {
1386         string::size_type pos;
1387         string legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=:";
1388         string legal;
1389
1390         legal = str;
1391         pos = 0;
1392
1393         while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
1394                 legal.replace (pos, 1, "_");
1395                 pos += 1;
1396         }
1397
1398         return legal;
1399 }
1400
1401
1402 void
1403 AudioTimeAxisView::add_redirect_automation_curve (Redirect *redirect, uint32_t what)
1404 {
1405         RedirectAutomationLine* ral;
1406         string name;
1407         RedirectAutomationNode* ran;
1408
1409         if ((ran = find_redirect_automation_node (redirect, what)) == 0) {
1410                 fatal << _("programming error: ")
1411                       << string_compose (X_("redirect automation curve for %1:%2 not registered with audio track!"),
1412                                   redirect->name(), what)
1413                       << endmsg;
1414                 /*NOTREACHED*/
1415                 return;
1416         }
1417
1418         if (ran->view) {
1419                 return;
1420         }
1421
1422         name = redirect->describe_parameter (what);
1423
1424         /* create a string that is a legal XML node name that can be used to refer to this redirect+port combination */
1425
1426         char state_name[256];
1427         snprintf (state_name, sizeof (state_name), "Redirect-%s-%" PRIu32, legalize_for_xml_node (redirect->name()).c_str(), what);
1428
1429         ran->view = new RedirectAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, name, what, *redirect, state_name);
1430
1431         ral = new RedirectAutomationLine (name,
1432                                           *redirect, what, _session, *ran->view,
1433                                           *ran->view->canvas_display, redirect->automation_list (what));
1434
1435         ral->set_line_color (color_map[cRedirectAutomationLine]);
1436         ral->queue_reset ();
1437
1438         ran->view->add_line (*ral);
1439
1440         ran->view->Hiding.connect (bind (mem_fun(*this, &AudioTimeAxisView::redirect_automation_track_hidden), ran, redirect));
1441
1442         if (!ran->view->marked_for_display()) {
1443                 ran->view->hide ();
1444         } else {
1445                 ran->menu_item->set_active (true);
1446         }
1447
1448         add_child (ran->view);
1449
1450         view->foreach_regionview (bind (mem_fun(*this, &AudioTimeAxisView::add_ghost_to_redirect), ran->view));
1451
1452         redirect->mark_automation_visible (what, true);
1453 }
1454
1455 void
1456 AudioTimeAxisView::redirect_automation_track_hidden (AudioTimeAxisView::RedirectAutomationNode* ran, Redirect* r)
1457 {
1458         if (!_hidden) {
1459                 ran->menu_item->set_active (false);
1460         }
1461
1462         r->mark_automation_visible (ran->what, false);
1463
1464          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1465 }
1466
1467 void
1468 AudioTimeAxisView::add_existing_redirect_automation_curves (Redirect *redirect)
1469 {
1470         set<uint32_t> s;
1471         RedirectAutomationLine *ral;
1472
1473         redirect->what_has_visible_automation (s);
1474
1475         for (set<uint32_t>::iterator i = s.begin(); i != s.end(); ++i) {
1476
1477                 if ((ral = find_redirect_automation_curve (redirect, *i)) != 0) {
1478                         ral->queue_reset ();
1479                 } else {
1480                         add_redirect_automation_curve (redirect, (*i));
1481                 }
1482         }
1483 }
1484
1485 void
1486 AudioTimeAxisView::add_redirect_to_subplugin_menu (Redirect* r)
1487 {
1488         using namespace Menu_Helpers;
1489         RedirectAutomationInfo *rai;
1490         list<RedirectAutomationInfo*>::iterator x;
1491
1492         const std::set<uint32_t>& automatable = r->what_can_be_automated ();
1493         std::set<uint32_t> has_visible_automation;
1494
1495         r->what_has_visible_automation(has_visible_automation);
1496
1497         if (automatable.empty()) {
1498                 return;
1499         }
1500
1501         for (x = redirect_automation.begin(); x != redirect_automation.end(); ++x) {
1502                 if ((*x)->redirect == r) {
1503                         break;
1504                 }
1505         }
1506
1507         if (x == redirect_automation.end()) {
1508
1509                 rai = new RedirectAutomationInfo (r);
1510                 redirect_automation.push_back (rai);
1511
1512         } else {
1513
1514                 rai = *x;
1515
1516         }
1517
1518         /* any older menu was deleted at the top of redirects_changed()
1519            when we cleared the subplugin menu.
1520         */
1521
1522         rai->menu = manage (new Menu);
1523         MenuList& items = rai->menu->items();
1524         rai->menu->set_name ("ArdourContextMenu");
1525
1526         items.clear ();
1527
1528         for (std::set<uint32_t>::const_iterator i = automatable.begin(); i != automatable.end(); ++i) {
1529
1530                 RedirectAutomationNode* ran;
1531                 CheckMenuItem* mitem;
1532
1533                 string name = r->describe_parameter (*i);
1534
1535                 items.push_back (CheckMenuElem (name));
1536                 mitem = dynamic_cast<CheckMenuItem*> (&items.back());
1537
1538                 if (has_visible_automation.find((*i)) != has_visible_automation.end()) {
1539                         mitem->set_active(true);
1540                 }
1541
1542                 if ((ran = find_redirect_automation_node (r, *i)) == 0) {
1543
1544                         /* new item */
1545
1546                         ran = new RedirectAutomationNode (*i, mitem, *this);
1547
1548                         rai->lines.push_back (ran);
1549
1550                 } else {
1551
1552                         ran->menu_item = mitem;
1553
1554                 }
1555
1556                 mitem->signal_toggled().connect (bind (mem_fun(*this, &AudioTimeAxisView::redirect_menu_item_toggled), rai, ran));
1557         }
1558
1559         /* add the menu for this redirect, because the subplugin
1560            menu is always cleared at the top of redirects_changed().
1561            this is the result of some poor design in gtkmm and/or
1562            GTK+.
1563         */
1564
1565         subplugin_menu.items().push_back (MenuElem (r->name(), *rai->menu));
1566         rai->valid = true;
1567 }
1568
1569 void
1570 AudioTimeAxisView::redirect_menu_item_toggled (AudioTimeAxisView::RedirectAutomationInfo* rai,
1571                                                AudioTimeAxisView::RedirectAutomationNode* ran)
1572 {
1573         bool showit = ran->menu_item->get_active();
1574         bool redraw = false;
1575
1576         if (ran->view == 0 && showit) {
1577                 add_redirect_automation_curve (rai->redirect, ran->what);
1578                 redraw = true;
1579         }
1580
1581         if (showit != ran->view->marked_for_display()) {
1582
1583                 if (showit) {
1584                         ran->view->set_marked_for_display (true);
1585                         ran->view->canvas_display->show();
1586                 } else {
1587                         rai->redirect->mark_automation_visible (ran->what, true);
1588                         ran->view->set_marked_for_display (false);
1589                         ran->view->hide ();
1590                 }
1591
1592                 redraw = true;
1593
1594         }
1595
1596         if (redraw && !no_redraw) {
1597
1598                 /* now trigger a redisplay */
1599
1600                  _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1601
1602         }
1603 }
1604
1605 void
1606 AudioTimeAxisView::redirects_changed (void *src)
1607 {
1608         using namespace Menu_Helpers;
1609
1610         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1611                 (*i)->valid = false;
1612         }
1613
1614         subplugin_menu.items().clear ();
1615
1616         _route.foreach_redirect (this, &AudioTimeAxisView::add_redirect_to_subplugin_menu);
1617         _route.foreach_redirect (this, &AudioTimeAxisView::add_existing_redirect_automation_curves);
1618
1619         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ) {
1620
1621                 list<RedirectAutomationInfo*>::iterator tmp;
1622
1623                 tmp = i;
1624                 ++tmp;
1625
1626                 if (!(*i)->valid) {
1627
1628                         delete *i;
1629                         redirect_automation.erase (i);
1630
1631                 }
1632
1633                 i = tmp;
1634         }
1635
1636         /* change in visibility was possible */
1637
1638         _route.gui_changed ("track_height", this);
1639 }
1640
1641 RedirectAutomationLine *
1642 AudioTimeAxisView::find_redirect_automation_curve (Redirect *redirect, uint32_t what)
1643 {
1644         RedirectAutomationNode* ran;
1645
1646         if ((ran = find_redirect_automation_node (redirect, what)) != 0) {
1647                 if (ran->view) {
1648                         return dynamic_cast<RedirectAutomationLine*> (ran->view->lines.front());
1649                 }
1650         }
1651
1652         return 0;
1653 }
1654
1655 void
1656 AudioTimeAxisView::show_all_automation ()
1657 {
1658         no_redraw = true;
1659
1660         pan_automation_item->set_active (true);
1661         gain_automation_item->set_active (true);
1662
1663         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1664                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1665                         if ((*ii)->view == 0) {
1666                                 add_redirect_automation_curve ((*i)->redirect, (*ii)->what);
1667                         }
1668
1669                         (*ii)->menu_item->set_active (true);
1670                 }
1671         }
1672
1673         no_redraw = false;
1674
1675          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1676 }
1677
1678 void
1679 AudioTimeAxisView::show_existing_automation ()
1680 {
1681         no_redraw = true;
1682
1683         pan_automation_item->set_active (true);
1684         gain_automation_item->set_active (true);
1685
1686         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1687                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1688                         if ((*ii)->view != 0) {
1689                                 (*ii)->menu_item->set_active (true);
1690                         }
1691                 }
1692         }
1693
1694         no_redraw = false;
1695
1696          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1697 }
1698
1699 void
1700 AudioTimeAxisView::hide_all_automation ()
1701 {
1702         no_redraw = true;
1703
1704         pan_automation_item->set_active (false);
1705         gain_automation_item->set_active (false);
1706
1707         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1708                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1709                         (*ii)->menu_item->set_active (false);
1710                 }
1711         }
1712
1713         no_redraw = false;
1714          _route.gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1715 }
1716
1717 bool
1718 AudioTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
1719 {
1720         Playlist* what_we_got;
1721         DiskStream* ds = get_diskstream();
1722         Playlist* playlist;
1723         bool ret = false;
1724
1725         if (ds == 0) {
1726                 /* route is a bus, not a track */
1727                 return false;
1728         }
1729
1730         playlist = ds->playlist();
1731
1732
1733         TimeSelection time (selection.time);
1734         float speed = ds->speed();
1735         if (speed != 1.0f) {
1736                 for (TimeSelection::iterator i = time.begin(); i != time.end(); ++i) {
1737                         (*i).start = session_frame_to_track_frame((*i).start, speed);
1738                         (*i).end   = session_frame_to_track_frame((*i).end,   speed);
1739                 }
1740         }
1741
1742         switch (op) {
1743         case Cut:
1744                 _session.add_undo (playlist->get_memento());
1745                 if ((what_we_got = playlist->cut (time)) != 0) {
1746                         editor.get_cut_buffer().add (what_we_got);
1747                         _session.add_redo_no_execute (playlist->get_memento());
1748                         ret = true;
1749                 }
1750                 break;
1751         case Copy:
1752                 if ((what_we_got = playlist->copy (time)) != 0) {
1753                         editor.get_cut_buffer().add (what_we_got);
1754                 }
1755                 break;
1756
1757         case Clear:
1758                 _session.add_undo (playlist->get_memento());
1759                 if ((what_we_got = playlist->cut (time)) != 0) {
1760                         _session.add_redo_no_execute (playlist->get_memento());
1761                         what_we_got->unref ();
1762                         ret = true;
1763                 }
1764                 break;
1765         }
1766
1767         return ret;
1768 }
1769
1770 bool
1771 AudioTimeAxisView::paste (jack_nframes_t pos, float times, Selection& selection, size_t nth)
1772 {
1773         if (!is_audio_track()) {
1774                 return false;
1775         }
1776
1777         Playlist* playlist = get_diskstream()->playlist();
1778         PlaylistSelection::iterator p;
1779
1780         for (p = selection.playlists.begin(); p != selection.playlists.end() && nth; ++p, --nth);
1781
1782         if (p == selection.playlists.end()) {
1783                 return false;
1784         }
1785
1786         if (get_diskstream()->speed() != 1.0f)
1787                 pos = session_frame_to_track_frame(pos, get_diskstream()->speed() );
1788
1789         _session.add_undo (playlist->get_memento());
1790         playlist->paste (**p, pos, times);
1791         _session.add_redo_no_execute (playlist->get_memento());
1792
1793         return true;
1794 }
1795
1796 void
1797 AudioTimeAxisView::region_view_added (AudioRegionView* arv)
1798 {
1799         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1800                 AutomationTimeAxisView* atv;
1801
1802                 if ((atv = dynamic_cast<AutomationTimeAxisView*> (*i)) != 0) {
1803                         arv->add_ghost (*atv);
1804                 }
1805         }
1806 }
1807
1808 void
1809 AudioTimeAxisView::add_ghost_to_redirect (AudioRegionView* arv, AutomationTimeAxisView* atv)
1810 {
1811         arv->add_ghost (*atv);
1812 }
1813
1814 list<TimeAxisView*>
1815 AudioTimeAxisView::get_child_list()
1816 {
1817
1818         list<TimeAxisView*>redirect_children;
1819
1820         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1821                 if (!(*i)->hidden()) {
1822                         redirect_children.push_back(*i);
1823                 }
1824         }
1825         return redirect_children;
1826 }
1827
1828
1829 void
1830 AudioTimeAxisView::build_playlist_menu (Gtk::Menu * menu)
1831 {
1832         using namespace Menu_Helpers;
1833
1834         if (!menu || !is_audio_track()) {
1835                 return;
1836         }
1837
1838         MenuList& playlist_items = menu->items();
1839         menu->set_name ("ArdourContextMenu");
1840         playlist_items.clear();
1841
1842         if (playlist_menu) {
1843                 delete playlist_menu;
1844         }
1845         playlist_menu = new Menu;
1846         playlist_menu->set_name ("ArdourContextMenu");
1847
1848         playlist_items.push_back (MenuElem (string_compose (_("Current: %1"), get_diskstream()->playlist()->name())));
1849         playlist_items.push_back (SeparatorElem());
1850
1851         playlist_items.push_back (MenuElem (_("Rename"), mem_fun(*this, &AudioTimeAxisView::rename_current_playlist)));
1852         playlist_items.push_back (SeparatorElem());
1853
1854         playlist_items.push_back (MenuElem (_("New"), mem_fun(editor, &PublicEditor::new_playlists)));
1855         playlist_items.push_back (MenuElem (_("New Copy"), mem_fun(editor, &PublicEditor::copy_playlists)));
1856         playlist_items.push_back (SeparatorElem());
1857         playlist_items.push_back (MenuElem (_("Clear Current"), mem_fun(editor, &PublicEditor::clear_playlists)));
1858         playlist_items.push_back (SeparatorElem());
1859         playlist_items.push_back (MenuElem(_("Select"), mem_fun(*this, &AudioTimeAxisView::show_playlist_selector)));
1860
1861 }
1862
1863 void
1864 AudioTimeAxisView::show_playlist_selector ()
1865 {
1866         editor.playlist_selector().show_for (this);
1867 }
1868
1869
1870 void
1871 AudioTimeAxisView::map_frozen ()
1872 {
1873         if (!is_audio_track()) {
1874                 return;
1875         }
1876
1877         ENSURE_GUI_THREAD (mem_fun(*this, &AudioTimeAxisView::map_frozen));
1878
1879
1880         switch (audio_track()->freeze_state()) {
1881         case AudioTrack::Frozen:
1882                 playlist_button.set_sensitive (false);
1883                 rec_enable_button->set_sensitive (false);
1884                 break;
1885         default:
1886                 playlist_button.set_sensitive (true);
1887                 rec_enable_button->set_sensitive (true);
1888                 break;
1889         }
1890 }
1891
1892 void
1893 AudioTimeAxisView::show_all_xfades ()
1894 {
1895         if (view) {
1896                 view->show_all_xfades ();
1897         }
1898 }
1899
1900 void
1901 AudioTimeAxisView::hide_all_xfades ()
1902 {
1903         if (view) {
1904                 view->hide_all_xfades ();
1905         }
1906 }
1907
1908 void
1909 AudioTimeAxisView::hide_dependent_views (TimeAxisViewItem& tavi)
1910 {
1911         AudioRegionView* rv;
1912
1913         if (view && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
1914                 view->hide_xfades_involving (*rv);
1915         }
1916 }
1917
1918 void
1919 AudioTimeAxisView::reveal_dependent_views (TimeAxisViewItem& tavi)
1920 {
1921         AudioRegionView* rv;
1922
1923         if (view && (rv = dynamic_cast<AudioRegionView*>(&tavi)) != 0) {
1924                 view->reveal_xfades_involving (*rv);
1925         }
1926 }
1927
1928 void
1929 AudioTimeAxisView::route_active_changed ()
1930 {
1931         RouteUI::route_active_changed ();
1932
1933         if (is_audio_track()) {
1934                 if (_route.active()) {
1935                         controls_ebox.set_name ("AudioTrackControlsBaseUnselected");
1936                         controls_base_selected_name = "AudioTrackControlsBaseSelected";
1937                         controls_base_unselected_name = "AudioTrackControlsBaseUnselected";
1938                 } else {
1939                         controls_ebox.set_name ("AudioTrackControlsBaseInactiveUnselected");
1940                         controls_base_selected_name = "AudioTrackControlsBaseInactiveSelected";
1941                         controls_base_unselected_name = "AudioTrackControlsBaseInactiveUnselected";
1942                 }
1943         } else {
1944                 if (_route.active()) {
1945                         controls_ebox.set_name ("BusControlsBaseUnselected");
1946                         controls_base_selected_name = "BusControlsBaseSelected";
1947                         controls_base_unselected_name = "BusControlsBaseUnselected";
1948                 } else {
1949                         controls_ebox.set_name ("BusControlsBaseInactiveUnselected");
1950                         controls_base_selected_name = "BusControlsBaseInactiveSelected";
1951                         controls_base_unselected_name = "BusControlsBaseInactiveUnselected";
1952                 }
1953         }
1954 }
1955
1956 XMLNode*
1957 AudioTimeAxisView::get_child_xml_node (const string & childname)
1958 {
1959         return RouteUI::get_child_xml_node (childname);
1960 }
1961
1962 void
1963 AudioTimeAxisView::color_handler (ColorID id, uint32_t val)
1964 {
1965         switch (id) {
1966         case cTimeStretchOutline:
1967                 timestretch_rect->property_outline_color_rgba() = val;
1968                 break;
1969         case cTimeStretchFill:
1970                 timestretch_rect->property_fill_color_rgba() = val;
1971                 break;
1972         default:
1973                 break;
1974         }
1975 }