gtk2_ardour/route_time_axis.cc

   1 /*
   2     Copyright (C) 2006 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
  19 #include <cstdlib>
  20 #include <cmath>
  21 #include <cassert>
  22
  23 #include <algorithm>
  24 #include <string>
  25 #include <vector>
  26
  27 #include <sigc++/bind.h>
  28
  29 #include <pbd/error.h>
  30 #include <pbd/stl_delete.h>
  31 #include <pbd/whitespace.h>
  32 #include <pbd/memento_command.h>
  33
  34 #include <gtkmm/menu.h>
  35 #include <gtkmm/menuitem.h>
  36 #include <gtkmm2ext/gtk_ui.h>
  37 #include <gtkmm2ext/selector.h>
  38 #include <gtkmm2ext/stop_signal.h>
  39 #include <gtkmm2ext/bindable_button.h>
  40 #include <gtkmm2ext/utils.h>
  41
  42 #include <ardour/playlist.h>
  43 #include <ardour/audioplaylist.h>
  44 #include <ardour/diskstream.h>
  45 #include <ardour/insert.h>
  46 #include <ardour/ladspa_plugin.h>
  47 #include <ardour/location.h>
  48 #include <ardour/panner.h>
  49 #include <ardour/playlist.h>
  50 #include <ardour/session.h>
  51 #include <ardour/session_playlist.h>
  52 #include <ardour/utils.h>
  53
  54 #include "ardour_ui.h"
  55 #include "route_time_axis.h"
  56 #include "automation_time_axis.h"
  57 #include "redirect_automation_time_axis.h"
  58 #include "redirect_automation_line.h"
  59 #include "canvas_impl.h"
  60 #include "crossfade_view.h"
  61 #include "enums.h"
  62 #include "gui_thread.h"
  63 #include "keyboard.h"
  64 #include "playlist_selector.h"
  65 #include "point_selection.h"
  66 #include "prompter.h"
  67 #include "public_editor.h"
  68 #include "region_view.h"
  69 #include "rgb_macros.h"
  70 #include "selection.h"
  71 #include "simplerect.h"
  72 #include "streamview.h"
  73 #include "utils.h"
  74
  75 #include <ardour/track.h>
  76
  77 #include "i18n.h"
  78
  79 using namespace ARDOUR;
  80 using namespace PBD;
  81 using namespace Gtk;
  82 using namespace Editing;
  83
  84
  85 RouteTimeAxisView::RouteTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
  86         : AxisView(sess),
  87           RouteUI(rt, sess, _("m"), _("s"), _("r")), // mute, solo, and record
  88           TimeAxisView(sess,ed,(TimeAxisView*) 0, canvas),
  89           parent_canvas (canvas),
  90           button_table (3, 3),
  91           edit_group_button (_("g")), // group
  92           playlist_button (_("p")),
  93           size_button (_("h")), // height
  94           automation_button (_("a")),
  95           visual_button (_("v"))
  96
  97 {
  98         _has_state = true;
  99         playlist_menu = 0;
 100         playlist_action_menu = 0;
 101         automation_action_menu = 0;
 102         _view = 0;
 103         timestretch_rect = 0;
 104         no_redraw = false;
 105
 106         ignore_toggle = false;
 107
 108         mute_button->set_name ("TrackMuteButton");
 109         solo_button->set_name ("SoloButton");
 110         edit_group_button.set_name ("TrackGroupButton");
 111         playlist_button.set_name ("TrackPlaylistButton");
 112         automation_button.set_name ("TrackAutomationButton");
 113         size_button.set_name ("TrackSizeButton");
 114         visual_button.set_name ("TrackVisualButton");
 115         hide_button.set_name ("TrackRemoveButton");
 116
 117         hide_button.add (*(manage (new Image (::get_icon("hide")))));
 118         hide_button.show_all ();
 119
 120         edit_group_button.signal_button_release_event().connect (mem_fun(*this, &RouteTimeAxisView::edit_click), false);
 121         playlist_button.signal_clicked().connect (mem_fun(*this, &RouteTimeAxisView::playlist_click));
 122         automation_button.signal_clicked().connect (mem_fun(*this, &RouteTimeAxisView::automation_click));
 123         size_button.signal_button_release_event().connect (mem_fun(*this, &RouteTimeAxisView::size_click), false);
 124         visual_button.signal_clicked().connect (mem_fun(*this, &RouteTimeAxisView::visual_click));
 125         hide_button.signal_clicked().connect (mem_fun(*this, &RouteTimeAxisView::hide_click));
 126
 127         solo_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::solo_press));
 128         solo_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::solo_release));
 129         mute_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::mute_press));
 130         mute_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::mute_release));
 131
 132         if (is_track()) {
 133
 134                 /* use icon */
 135
 136                 rec_enable_button->remove ();
 137                 switch (track()->mode()) {
 138                 case ARDOUR::Normal:
 139                         rec_enable_button->add (*(manage (new Image (::get_icon (X_("record_normal_red"))))));
 140                         break;
 141                 case ARDOUR::Destructive:
 142                         rec_enable_button->add (*(manage (new Image (::get_icon (X_("record_tape_red"))))));
 143                         break;
 144                 }
 145                 rec_enable_button->show_all ();
 146
 147                 rec_enable_button->set_name ("TrackRecordEnableButton");
 148                 rec_enable_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::rec_enable_press));
 149                 controls_table.attach (*rec_enable_button, 5, 6, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 150                 ARDOUR_UI::instance()->tooltips().set_tip(*rec_enable_button, _("Record"));
 151         }
 152
 153         controls_table.attach (*mute_button, 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 154         controls_table.attach (*solo_button, 7, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::FILL|Gtk::EXPAND, 0, 0);
 155
 156         controls_table.attach (edit_group_button, 6, 7, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 157
 158         ARDOUR_UI::instance()->tooltips().set_tip(*solo_button,_("Solo"));
 159         ARDOUR_UI::instance()->tooltips().set_tip(*mute_button,_("Mute"));
 160         ARDOUR_UI::instance()->tooltips().set_tip(edit_group_button,_("Edit Group"));
 161         ARDOUR_UI::instance()->tooltips().set_tip(size_button,_("Display Height"));
 162         ARDOUR_UI::instance()->tooltips().set_tip(playlist_button,_("Playlist"));
 163         ARDOUR_UI::instance()->tooltips().set_tip(automation_button, _("Automation"));
 164         ARDOUR_UI::instance()->tooltips().set_tip(visual_button, _("Visual options"));
 165         ARDOUR_UI::instance()->tooltips().set_tip(hide_button, _("Hide this track"));
 166
 167         label_view ();
 168
 169         controls_table.attach (hide_button, 0, 1, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 170         controls_table.attach (visual_button, 1, 2, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 171         controls_table.attach (size_button, 2, 3, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 172         controls_table.attach (automation_button, 3, 4, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 173
 174         if (is_track() && track()->mode() == ARDOUR::Normal) {
 175                 controls_table.attach (playlist_button, 5, 6, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 176         }
 177
 178         /* remove focus from the buttons */
 179
 180         automation_button.unset_flags (Gtk::CAN_FOCUS);
 181         solo_button->unset_flags (Gtk::CAN_FOCUS);
 182         mute_button->unset_flags (Gtk::CAN_FOCUS);
 183         edit_group_button.unset_flags (Gtk::CAN_FOCUS);
 184         size_button.unset_flags (Gtk::CAN_FOCUS);
 185         playlist_button.unset_flags (Gtk::CAN_FOCUS);
 186         hide_button.unset_flags (Gtk::CAN_FOCUS);
 187         visual_button.unset_flags (Gtk::CAN_FOCUS);
 188
 189         y_position = -1;
 190
 191         _route->redirects_changed.connect (mem_fun(*this, &RouteTimeAxisView::redirects_changed));
 192         _route->name_changed.connect (mem_fun(*this, &RouteTimeAxisView::route_name_changed));
 193
 194         if (is_track()) {
 195
 196                 track()->TrackModeChanged.connect (mem_fun(*this, &RouteTimeAxisView::track_mode_changed));
 197                 track()->FreezeChange.connect (mem_fun(*this, &RouteTimeAxisView::map_frozen));
 198                 track()->DiskstreamChanged.connect (mem_fun(*this, &RouteTimeAxisView::diskstream_changed));
 199                 get_diskstream()->SpeedChanged.connect (mem_fun(*this, &RouteTimeAxisView::speed_changed));
 200
 201                 /* pick up the correct freeze state */
 202                 map_frozen ();
 203
 204         }
 205
 206         editor.ZoomChanged.connect (mem_fun(*this, &RouteTimeAxisView::reset_samples_per_unit));
 207         ColorChanged.connect (mem_fun (*this, &RouteTimeAxisView::color_handler));
 208 }
 209
 210 RouteTimeAxisView::~RouteTimeAxisView ()
 211 {
 212         GoingAway (); /* EMIT_SIGNAL */
 213
 214         vector_delete (&redirect_automation_curves);
 215
 216         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
 217                 delete *i;
 218         }
 219
 220         if (playlist_menu) {
 221                 delete playlist_menu;
 222                 playlist_menu = 0;
 223         }
 224
 225         if (playlist_action_menu) {
 226                 delete playlist_action_menu;
 227                 playlist_action_menu = 0;
 228         }
 229
 230         if (_view) {
 231                 delete _view;
 232                 _view = 0;
 233         }
 234 }
 235
 236 void
 237 RouteTimeAxisView::post_construct ()
 238 {
 239         /* map current state of the route */
 240
 241         update_diskstream_display ();
 242         _route->foreach_redirect (this, &RouteTimeAxisView::add_redirect_to_subplugin_menu);
 243         _route->foreach_redirect (this, &RouteTimeAxisView::add_existing_redirect_automation_curves);
 244         reset_redirect_automation_curves ();
 245 }
 246
 247 void
 248 RouteTimeAxisView::set_playlist (boost::shared_ptr<Playlist> newplaylist)
 249 {
 250         boost::shared_ptr<Playlist> pl = playlist();
 251         assert(pl);
 252
 253         modified_connection.disconnect ();
 254         modified_connection = pl->Modified.connect (mem_fun(*this, &RouteTimeAxisView::playlist_modified));
 255 }
 256
 257 void
 258 RouteTimeAxisView::playlist_modified ()
 259 {
 260 }
 261
 262 gint
 263 RouteTimeAxisView::edit_click (GdkEventButton *ev)
 264 {
 265         if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 266                 _route->set_edit_group (0, this);
 267                 return FALSE;
 268         }
 269
 270         using namespace Menu_Helpers;
 271
 272         MenuList& items = edit_group_menu.items ();
 273         RadioMenuItem::Group group;
 274
 275         items.clear ();
 276         items.push_back (RadioMenuElem (group, _("No group"),
 277                                         bind (mem_fun(*this, &RouteTimeAxisView::set_edit_group_from_menu), (RouteGroup *) 0)));
 278
 279         if (_route->edit_group() == 0) {
 280                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
 281         }
 282
 283         _session.foreach_edit_group (bind (mem_fun (*this, &RouteTimeAxisView::add_edit_group_menu_item), &group));
 284         edit_group_menu.popup (ev->button, ev->time);
 285
 286         return FALSE;
 287 }
 288
 289 void
 290 RouteTimeAxisView::add_edit_group_menu_item (RouteGroup *eg, RadioMenuItem::Group* group)
 291 {
 292         using namespace Menu_Helpers;
 293
 294         MenuList &items = edit_group_menu.items();
 295
 296         items.push_back (RadioMenuElem (*group, eg->name(), bind (mem_fun(*this, &RouteTimeAxisView::set_edit_group_from_menu), eg)));
 297         if (_route->edit_group() == eg) {
 298                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
 299         }
 300 }
 301
 302 void
 303 RouteTimeAxisView::set_edit_group_from_menu (RouteGroup *eg)
 304 {
 305         _route->set_edit_group (eg, this);
 306 }
 307
 308 void
 309 RouteTimeAxisView::playlist_changed ()
 310
 311 {
 312         label_view ();
 313
 314         if (is_track()) {
 315                 set_playlist (get_diskstream()->playlist());
 316         }
 317 }
 318
 319 void
 320 RouteTimeAxisView::label_view ()
 321 {
 322         string x = _route->name();
 323
 324         if (x != name_entry.get_text()) {
 325                 name_entry.set_text (x);
 326         }
 327
 328         ARDOUR_UI::instance()->tooltips().set_tip (name_entry, x);
 329 }
 330
 331 void
 332 RouteTimeAxisView::route_name_changed (void *src)
 333 {
 334         editor.route_name_changed (this);
 335         label_view ();
 336 }
 337
 338 void
 339 RouteTimeAxisView::take_name_changed (void *src)
 340
 341 {
 342         if (src != this) {
 343                 label_view ();
 344         }
 345 }
 346
 347 void
 348 RouteTimeAxisView::playlist_click ()
 349 {
 350         // always build a new action menu
 351
 352         if (playlist_action_menu != 0) {
 353                 delete playlist_action_menu;
 354         }
 355
 356         playlist_action_menu = new Menu;
 357         playlist_action_menu->set_name ("ArdourContextMenu");
 358
 359         build_playlist_menu (playlist_action_menu);
 360         editor.set_selected_track (*this, Selection::Add);
 361         playlist_action_menu->popup (1, gtk_get_current_event_time());
 362 }
 363
 364 void
 365 RouteTimeAxisView::automation_click ()
 366 {
 367         if (automation_action_menu == 0) {
 368                 /* this seems odd, but the automation action
 369                    menu is built as part of the display menu.
 370                 */
 371                 build_display_menu ();
 372         }
 373         editor.set_selected_track (*this, Selection::Add);
 374         automation_action_menu->popup (1, gtk_get_current_event_time());
 375 }
 376
 377 void
 378 RouteTimeAxisView::build_automation_action_menu ()
 379 {
 380         using namespace Menu_Helpers;
 381
 382         automation_action_menu = manage (new Menu);
 383         MenuList& automation_items = automation_action_menu->items();
 384         automation_action_menu->set_name ("ArdourContextMenu");
 385
 386         automation_items.push_back (MenuElem (_("Show all automation"),
 387                                               mem_fun(*this, &RouteTimeAxisView::show_all_automation)));
 388
 389         automation_items.push_back (MenuElem (_("Show existing automation"),
 390                                               mem_fun(*this, &RouteTimeAxisView::show_existing_automation)));
 391
 392         automation_items.push_back (MenuElem (_("Hide all automation"),
 393                                               mem_fun(*this, &RouteTimeAxisView::hide_all_automation)));
 394
 395         automation_items.push_back (MenuElem (_("Plugins"), subplugin_menu));
 396 }
 397
 398 void
 399 RouteTimeAxisView::build_display_menu ()
 400 {
 401         using namespace Menu_Helpers;
 402
 403         /* get the size menu ready */
 404
 405         build_size_menu ();
 406
 407         /* prepare it */
 408
 409         TimeAxisView::build_display_menu ();
 410
 411         /* now fill it with our stuff */
 412
 413         MenuList& items = display_menu->items();
 414         display_menu->set_name ("ArdourContextMenu");
 415
 416         items.push_back (MenuElem (_("Height"), *size_menu));
 417         items.push_back (MenuElem (_("Color"), mem_fun(*this, &RouteTimeAxisView::select_track_color)));
 418
 419         items.push_back (SeparatorElem());
 420
 421         build_remote_control_menu ();
 422         items.push_back (MenuElem (_("Remote Control ID"), *remote_control_menu));
 423
 424         build_automation_action_menu ();
 425         items.push_back (MenuElem (_("Automation"), *automation_action_menu));
 426
 427         // Hook for derived classes to add type specific stuff
 428         items.push_back (SeparatorElem());
 429         append_extra_display_menu_items ();
 430         items.push_back (SeparatorElem());
 431
 432         if (is_track()) {
 433
 434                 Menu* alignment_menu = manage (new Menu);
 435                 MenuList& alignment_items = alignment_menu->items();
 436                 alignment_menu->set_name ("ArdourContextMenu");
 437
 438                 RadioMenuItem::Group align_group;
 439
 440                 alignment_items.push_back (RadioMenuElem (align_group, _("Align with existing material"),
 441                         bind (mem_fun(*this, &RouteTimeAxisView::set_align_style), ExistingMaterial)));
 442                 align_existing_item = dynamic_cast<RadioMenuItem*>(&alignment_items.back());
 443                 if (get_diskstream()->alignment_style() == ExistingMaterial)
 444                         align_existing_item->set_active();
 445
 446                 alignment_items.push_back (RadioMenuElem (align_group, _("Align with capture time"),
 447                         bind (mem_fun(*this, &RouteTimeAxisView::set_align_style), CaptureTime)));
 448                 align_capture_item = dynamic_cast<RadioMenuItem*>(&alignment_items.back());
 449                 if (get_diskstream()->alignment_style() == CaptureTime)
 450                         align_capture_item->set_active();
 451
 452                 items.push_back (MenuElem (_("Alignment"), *alignment_menu));
 453
 454                 get_diskstream()->AlignmentStyleChanged.connect (
 455                         mem_fun(*this, &RouteTimeAxisView::align_style_changed));
 456
 457                 RadioMenuItem::Group mode_group;
 458                 items.push_back (RadioMenuElem (mode_group, _("Normal mode"),
 459                                                 bind (mem_fun (*this, &RouteTimeAxisView::set_track_mode), ARDOUR::Normal)));
 460                 normal_track_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 461                 items.push_back (RadioMenuElem (mode_group, _("Tape mode"),
 462                                                 bind (mem_fun (*this, &RouteTimeAxisView::set_track_mode), ARDOUR::Destructive)));
 463                 destructive_track_mode_item = dynamic_cast<RadioMenuItem*>(&items.back());
 464
 465
 466                 switch (track()->mode()) {
 467                 case ARDOUR::Destructive:
 468                         destructive_track_mode_item->set_active ();
 469                         break;
 470                 case ARDOUR::Normal:
 471                         normal_track_mode_item->set_active ();
 472                         break;
 473                 }
 474         }
 475
 476         items.push_back (SeparatorElem());
 477         items.push_back (CheckMenuElem (_("Active"), mem_fun(*this, &RouteUI::toggle_route_active)));
 478         route_active_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
 479         route_active_menu_item->set_active (_route->active());
 480
 481         items.push_back (SeparatorElem());
 482         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &RouteUI::remove_this_route)));
 483 }
 484
 485 static bool __reset_item (RadioMenuItem* item)
 486 {
 487         cerr << "reset item to true\n";
 488         item->set_active ();
 489         return false;
 490 }
 491
 492 void
 493 RouteTimeAxisView::set_track_mode (TrackMode mode)
 494 {
 495         RadioMenuItem* item;
 496         RadioMenuItem* other_item;
 497
 498         switch (mode) {
 499         case ARDOUR::Normal:
 500                 item = normal_track_mode_item;
 501                 other_item = destructive_track_mode_item;
 502                 break;
 503         case ARDOUR::Destructive:
 504                 item = destructive_track_mode_item;
 505                 other_item = normal_track_mode_item;
 506                 break;
 507         default:
 508                 fatal << string_compose (_("programming error: %1 %2"), "illegal track mode in RouteTimeAxisView::set_track_mode", mode) << endmsg;
 509                 /*NOTREACHED*/
 510                 return;
 511         }
 512
 513         if (item->get_active () && track()->mode() != mode) {
 514                 _set_track_mode (track(), mode, other_item);
 515         }
 516 }
 517
 518 void
 519 RouteTimeAxisView::_set_track_mode (Track* track, TrackMode mode, RadioMenuItem* reset_item)
 520 {
 521         bool needs_bounce;
 522
 523         if (!track->can_use_mode (mode, needs_bounce)) {
 524
 525                 if (!needs_bounce) {
 526                         /* cannot be done */
 527                         Glib::signal_idle().connect (bind (sigc::ptr_fun (__reset_item), reset_item));
 528                         return;
 529                 } else {
 530                         cerr << "would bounce this one\n";
 531                         return;
 532                 }
 533         }
 534
 535         track->set_mode (mode);
 536
 537         rec_enable_button->remove ();
 538         switch (mode) {
 539         case ARDOUR::Normal:
 540                 rec_enable_button->add (*(manage (new Image (::get_icon (X_("record_normal_red"))))));
 541                 break;
 542         case ARDOUR::Destructive:
 543                 rec_enable_button->add (*(manage (new Image (::get_icon (X_("record_tape_red"))))));
 544                 break;
 545         }
 546         rec_enable_button->show_all ();
 547
 548 }
 549
 550 void
 551 RouteTimeAxisView::track_mode_changed ()
 552 {
 553         RadioMenuItem* item;
 554
 555         switch (track()->mode()) {
 556         case ARDOUR::Normal:
 557                 item = normal_track_mode_item;
 558                 break;
 559         case ARDOUR::Destructive:
 560                 item = destructive_track_mode_item;
 561                 break;
 562         default:
 563                 fatal << string_compose (_("programming error: %1 %2"), "illegal track mode in RouteTimeAxisView::set_track_mode", track()->mode()) << endmsg;
 564                 /*NOTREACHED*/
 565                 return;
 566         }
 567
 568         item->set_active ();
 569 }
 570
 571 void
 572 RouteTimeAxisView::show_timestretch (nframes_t start, nframes_t end)
 573 {
 574         double x1;
 575         double x2;
 576         double y2;
 577
 578         TimeAxisView::show_timestretch (start, end);
 579
 580         hide_timestretch ();
 581
 582 #if 0
 583         if (ts.empty()) {
 584                 return;
 585         }
 586
 587
 588         /* check that the time selection was made in our route, or our edit group.
 589            remember that edit_group() == 0 implies the route is *not* in a edit group.
 590         */
 591
 592         if (!(ts.track == this || (ts.group != 0 && ts.group == _route->edit_group()))) {
 593                 /* this doesn't apply to us */
 594                 return;
 595         }
 596
 597         /* ignore it if our edit group is not active */
 598
 599         if ((ts.track != this) && _route->edit_group() && !_route->edit_group()->is_active()) {
 600                 return;
 601         }
 602 #endif
 603
 604         if (timestretch_rect == 0) {
 605                 timestretch_rect = new SimpleRect (*canvas_display);
 606                 timestretch_rect->property_x1() =  0.0;
 607                 timestretch_rect->property_y1() =  0.0;
 608                 timestretch_rect->property_x2() =  0.0;
 609                 timestretch_rect->property_y2() =  0.0;
 610                 timestretch_rect->property_fill_color_rgba() =  color_map[cTimeStretchFill];
 611                 timestretch_rect->property_outline_color_rgba() = color_map[cTimeStretchOutline];
 612         }
 613
 614         timestretch_rect->show ();
 615         timestretch_rect->raise_to_top ();
 616
 617         x1 = start / editor.get_current_zoom();
 618         x2 = (end - 1) / editor.get_current_zoom();
 619         y2 = height - 2;
 620
 621         timestretch_rect->property_x1() = x1;
 622         timestretch_rect->property_y1() = 1.0;
 623         timestretch_rect->property_x2() = x2;
 624         timestretch_rect->property_y2() = y2;
 625 }
 626
 627 void
 628 RouteTimeAxisView::hide_timestretch ()
 629 {
 630         TimeAxisView::hide_timestretch ();
 631
 632         if (timestretch_rect) {
 633                 timestretch_rect->hide ();
 634         }
 635 }
 636
 637 void
 638 RouteTimeAxisView::show_selection (TimeSelection& ts)
 639 {
 640
 641 #if 0
 642         /* ignore it if our edit group is not active or if the selection was started
 643            in some other track or edit group (remember that edit_group() == 0 means
 644            that the track is not in an edit group).
 645         */
 646
 647         if (((ts.track != this && !is_child (ts.track)) && _route->edit_group() && !_route->edit_group()->is_active()) ||
 648             (!(ts.track == this || is_child (ts.track) || (ts.group != 0 && ts.group == _route->edit_group())))) {
 649                 hide_selection ();
 650                 return;
 651         }
 652 #endif
 653
 654         TimeAxisView::show_selection (ts);
 655 }
 656
 657 void
 658 RouteTimeAxisView::set_height (TrackHeight h)
 659 {
 660         bool height_changed = (height == 0) || (h != height_style);
 661
 662         TimeAxisView::set_height (h);
 663
 664         ensure_xml_node ();
 665
 666         if (_view) {
 667                 _view->set_height ((double) height);
 668         }
 669
 670         switch (height_style) {
 671         case Largest:
 672                 xml_node->add_property ("track_height", "largest");
 673                 break;
 674
 675         case Large:
 676                 xml_node->add_property ("track_height", "large");
 677                 break;
 678
 679         case Larger:
 680                 xml_node->add_property ("track_height", "larger");
 681                 break;
 682
 683         case Normal:
 684                 xml_node->add_property ("track_height", "normal");
 685                 break;
 686
 687         case Smaller:
 688                 xml_node->add_property ("track_height", "smaller");
 689                 break;
 690
 691         case Small:
 692                 xml_node->add_property ("track_height", "small");
 693                 break;
 694         }
 695
 696         switch (height_style) {
 697         case Largest:
 698         case Large:
 699         case Larger:
 700         case Normal:
 701                 show_name_entry ();
 702                 hide_name_label ();
 703
 704                 mute_button->show();
 705                 solo_button->show();
 706                 if (rec_enable_button)
 707                         rec_enable_button->show();
 708
 709                 edit_group_button.show();
 710                 hide_button.show();
 711                 visual_button.show();
 712                 size_button.show();
 713                 automation_button.show();
 714
 715                 if (is_track() && track()->mode() == ARDOUR::Normal) {
 716                         playlist_button.show();
 717                 }
 718                 break;
 719
 720         case Smaller:
 721                 show_name_entry ();
 722                 hide_name_label ();
 723
 724                 mute_button->show();
 725                 solo_button->show();
 726                 if (rec_enable_button)
 727                         rec_enable_button->show();
 728
 729                 edit_group_button.hide ();
 730                 hide_button.hide ();
 731                 visual_button.hide ();
 732                 size_button.hide ();
 733                 automation_button.hide ();
 734
 735                 if (is_track() && track()->mode() == ARDOUR::Normal) {
 736                         playlist_button.hide ();
 737                 }
 738                 break;
 739
 740         case Small:
 741                 hide_name_entry ();
 742                 show_name_label ();
 743
 744                 mute_button->hide();
 745                 solo_button->hide();
 746                 if (rec_enable_button)
 747                         rec_enable_button->hide();
 748
 749                 edit_group_button.hide ();
 750                 hide_button.hide ();
 751                 visual_button.hide ();
 752                 size_button.hide ();
 753                 automation_button.hide ();
 754                 playlist_button.hide ();
 755                 name_label.set_text (_route->name());
 756                 break;
 757         }
 758
 759         if (height_changed) {
 760                 /* only emit the signal if the height really changed */
 761                  _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 762         }
 763 }
 764
 765 void
 766 RouteTimeAxisView::select_track_color ()
 767 {
 768         if (RouteUI::choose_color ()) {
 769
 770                 if (_view) {
 771                         _view->apply_color (_color, StreamView::RegionColor);
 772                 }
 773         }
 774 }
 775
 776 void
 777 RouteTimeAxisView::reset_samples_per_unit ()
 778 {
 779         set_samples_per_unit (editor.get_current_zoom());
 780 }
 781
 782 void
 783 RouteTimeAxisView::set_samples_per_unit (double spu)
 784 {
 785         double speed = 1.0;
 786
 787         if (get_diskstream() != 0) {
 788                 speed = get_diskstream()->speed();
 789         }
 790
 791         if (_view) {
 792                 _view->set_samples_per_unit (spu * speed);
 793         }
 794
 795         TimeAxisView::set_samples_per_unit (spu * speed);
 796 }
 797
 798 void
 799 RouteTimeAxisView::align_style_changed ()
 800 {
 801         switch (get_diskstream()->alignment_style()) {
 802         case ExistingMaterial:
 803                 if (!align_existing_item->get_active()) {
 804                         align_existing_item->set_active();
 805                 }
 806                 break;
 807         case CaptureTime:
 808                 if (!align_capture_item->get_active()) {
 809                         align_capture_item->set_active();
 810                 }
 811                 break;
 812         }
 813 }
 814
 815 void
 816 RouteTimeAxisView::set_align_style (AlignStyle style)
 817 {
 818         RadioMenuItem* item;
 819
 820         switch (style) {
 821         case ExistingMaterial:
 822                 item = align_existing_item;
 823                 break;
 824         case CaptureTime:
 825                 item = align_capture_item;
 826                 break;
 827         default:
 828                 fatal << string_compose (_("programming error: %1 %2"), "illegal align style in RouteTimeAxisView::set_align_style", style) << endmsg;
 829                 /*NOTREACHED*/
 830                 return;
 831         }
 832
 833         if (item->get_active()) {
 834                 get_diskstream()->set_align_style (style);
 835         }
 836 }
 837
 838 void
 839 RouteTimeAxisView::rename_current_playlist ()
 840 {
 841         ArdourPrompter prompter (true);
 842         string name;
 843
 844         boost::shared_ptr<Diskstream> ds = get_diskstream();
 845         if (!ds || ds->destructive())
 846                 return;
 847
 848         boost::shared_ptr<Playlist> pl = ds->playlist();
 849         if (!pl)
 850                 return;
 851
 852         prompter.set_prompt (_("Name for playlist"));
 853         prompter.set_initial_text (pl->name());
 854         prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
 855         prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
 856
 857         switch (prompter.run ()) {
 858         case Gtk::RESPONSE_ACCEPT:
 859                 prompter.get_result (name);
 860                 if (name.length()) {
 861                         pl->set_name (name);
 862                 }
 863                 break;
 864
 865         default:
 866                 break;
 867         }
 868 }
 869
 870 void
 871 RouteTimeAxisView::use_copy_playlist (bool prompt)
 872 {
 873         string name;
 874
 875         boost::shared_ptr<Diskstream> ds = get_diskstream();
 876         if (!ds || ds->destructive())
 877                 return;
 878
 879         boost::shared_ptr<const Playlist> pl = ds->playlist();
 880         if (!pl)
 881                 return;
 882
 883         name = pl->name();
 884
 885         do {
 886                 name = Playlist::bump_name (name, _session);
 887         } while (_session.playlist_by_name(name));
 888
 889         // TODO: The prompter "new" button should be de-activated if the user
 890         // specifies a playlist name which already exists in the session.
 891
 892         if (prompt) {
 893
 894                 ArdourPrompter prompter (true);
 895
 896                 prompter.set_prompt (_("Name for Playlist"));
 897                 prompter.set_initial_text (name);
 898                 prompter.add_button (Gtk::Stock::NEW, Gtk::RESPONSE_ACCEPT);
 899                 prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, true);
 900                 prompter.show_all ();
 901
 902                 switch (prompter.run ()) {
 903                 case Gtk::RESPONSE_ACCEPT:
 904                         prompter.get_result (name);
 905                         break;
 906
 907                 default:
 908                         return;
 909                 }
 910         }
 911
 912         if (name.length()) {
 913                 ds->use_copy_playlist ();
 914                 ds->playlist()->set_name (name);
 915         }
 916 }
 917
 918 void
 919 RouteTimeAxisView::use_new_playlist (bool prompt)
 920 {
 921         string name;
 922
 923         boost::shared_ptr<Diskstream> ds = get_diskstream();
 924         if (!ds || ds->destructive())
 925                 return;
 926
 927         boost::shared_ptr<const Playlist> pl = ds->playlist();
 928         if (!pl)
 929                 return;
 930
 931         name = pl->name();
 932
 933         do {
 934                 name = Playlist::bump_name (name, _session);
 935         } while (_session.playlist_by_name(name));
 936
 937
 938         if (prompt) {
 939
 940                 ArdourPrompter prompter (true);
 941
 942                 prompter.set_prompt (_("Name for Playlist"));
 943                 prompter.set_initial_text (name);
 944                 prompter.add_button (Gtk::Stock::NEW, Gtk::RESPONSE_ACCEPT);
 945                 prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, true);
 946
 947                 switch (prompter.run ()) {
 948                 case Gtk::RESPONSE_ACCEPT:
 949                         prompter.get_result (name);
 950                         break;
 951
 952                 default:
 953                         return;
 954                 }
 955         }
 956
 957         if (name.length()) {
 958                 ds->use_new_playlist ();
 959                 ds->playlist()->set_name (name);
 960                 cerr << " installed new PL, UC = " << ds->playlist().use_count() << endl;
 961         }
 962 }
 963
 964 void
 965 RouteTimeAxisView::clear_playlist ()
 966 {
 967         boost::shared_ptr<Diskstream> ds = get_diskstream();
 968         if (!ds || ds->destructive())
 969                 return;
 970
 971         boost::shared_ptr<Playlist> pl = ds->playlist();
 972         if (!pl)
 973                 return;
 974
 975         editor.clear_playlist (pl);
 976 }
 977
 978 void
 979 RouteTimeAxisView::speed_changed ()
 980 {
 981         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &RouteTimeAxisView::reset_samples_per_unit));
 982 }
 983
 984 void
 985 RouteTimeAxisView::diskstream_changed ()
 986 {
 987         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &RouteTimeAxisView::update_diskstream_display));
 988 }
 989
 990 void
 991 RouteTimeAxisView::update_diskstream_display ()
 992 {
 993         if (!get_diskstream()) // bus
 994                 return;
 995
 996         set_playlist (get_diskstream()->playlist());
 997         map_frozen ();
 998 }
 999
1000 void
1001 RouteTimeAxisView::selection_click (GdkEventButton* ev)
1002 {
1003         PublicEditor::TrackViewList* tracks = editor.get_valid_views (this, _route->edit_group());
1004
1005         switch (Keyboard::selection_type (ev->state)) {
1006         case Selection::Toggle:
1007                 editor.get_selection().toggle (*tracks);
1008                 break;
1009
1010         case Selection::Set:
1011                 editor.get_selection().set (*tracks);
1012                 break;
1013
1014         case Selection::Extend:
1015                 if (tracks->size() > 1) {
1016                         /* add each one, do not "extend" */
1017                         editor.get_selection().add (*tracks);
1018                 } else {
1019                         /* extend to the single track */
1020                         editor.extend_selection_to_track (*tracks->front());
1021                 }
1022                 break;
1023
1024         case Selection::Add:
1025                 editor.get_selection().add (*tracks);
1026                 break;
1027         }
1028
1029         delete tracks;
1030 }
1031
1032 void
1033 RouteTimeAxisView::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 RouteTimeAxisView::set_selected_regionviews (RegionSelection& regions)
1042 {
1043         if (_view) {
1044                 _view->set_selected_regionviews (regions);
1045         }
1046 }
1047
1048 void
1049 RouteTimeAxisView::get_selectables (nframes_t start, nframes_t end, double top, double bot, list<Selectable*>& results)
1050 {
1051         double speed = 1.0;
1052
1053         if (get_diskstream() != 0) {
1054                 speed = get_diskstream()->speed();
1055         }
1056
1057         nframes_t start_adjusted = session_frame_to_track_frame(start, speed);
1058         nframes_t end_adjusted   = session_frame_to_track_frame(end, speed);
1059
1060         if (_view && ((top < 0.0 && bot < 0.0)) || touched (top, bot)) {
1061                 _view->get_selectables (start_adjusted, end_adjusted, results);
1062         }
1063
1064         /* pick up visible automation tracks */
1065
1066         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1067                 if (!(*i)->hidden()) {
1068                         (*i)->get_selectables (start_adjusted, end_adjusted, top, bot, results);
1069                 }
1070         }
1071 }
1072
1073 void
1074 RouteTimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
1075 {
1076         if (_view) {
1077                 _view->get_inverted_selectables (sel, results);
1078         }
1079
1080         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1081                 if (!(*i)->hidden()) {
1082                         (*i)->get_inverted_selectables (sel, results);
1083                 }
1084         }
1085
1086         return;
1087 }
1088
1089 RouteGroup*
1090 RouteTimeAxisView::edit_group() const
1091 {
1092         return _route->edit_group();
1093 }
1094
1095 string
1096 RouteTimeAxisView::name() const
1097 {
1098         return _route->name();
1099 }
1100
1101 boost::shared_ptr<Playlist>
1102 RouteTimeAxisView::playlist () const
1103 {
1104         boost::shared_ptr<Diskstream> ds;
1105
1106         if ((ds = get_diskstream()) != 0) {
1107                 return ds->playlist();
1108         } else {
1109                 return boost::shared_ptr<Playlist> ();
1110         }
1111 }
1112
1113 void
1114 RouteTimeAxisView::name_entry_changed ()
1115 {
1116         string x;
1117
1118         x = name_entry.get_text ();
1119
1120         if (x == _route->name()) {
1121                 return;
1122         }
1123
1124         strip_whitespace_edges(x);
1125
1126         if (x.length() == 0) {
1127                 name_entry.set_text (_route->name());
1128                 return;
1129         }
1130
1131         if (_session.route_name_unique (x)) {
1132                 _route->set_name (x, this);
1133         } else {
1134                 ARDOUR_UI::instance()->popup_error (_("A track already exists with that name"));
1135                 name_entry.set_text (_route->name());
1136         }
1137 }
1138
1139 void
1140 RouteTimeAxisView::visual_click ()
1141 {
1142         popup_display_menu (0);
1143 }
1144
1145 void
1146 RouteTimeAxisView::hide_click ()
1147 {
1148         // LAME fix for hide_button refresh fix
1149         hide_button.set_sensitive(false);
1150
1151         editor.hide_track_in_display (*this);
1152
1153         hide_button.set_sensitive(true);
1154 }
1155
1156 boost::shared_ptr<Region>
1157 RouteTimeAxisView::find_next_region (nframes_t pos, RegionPoint point, int32_t dir)
1158 {
1159         boost::shared_ptr<Diskstream> stream;
1160         boost::shared_ptr<Playlist> playlist;
1161
1162         if ((stream = get_diskstream()) != 0 && (playlist = stream->playlist()) != 0) {
1163                 return playlist->find_next_region (pos, point, dir);
1164         }
1165
1166         return boost::shared_ptr<Region> ();
1167 }
1168
1169 bool
1170 RouteTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
1171 {
1172         boost::shared_ptr<Playlist> what_we_got;
1173         boost::shared_ptr<Diskstream> ds = get_diskstream();
1174         boost::shared_ptr<Playlist> playlist;
1175         bool ret = false;
1176
1177         if (ds == 0) {
1178                 /* route is a bus, not a track */
1179                 return false;
1180         }
1181
1182         playlist = ds->playlist();
1183
1184
1185         TimeSelection time (selection.time);
1186         float speed = ds->speed();
1187         if (speed != 1.0f) {
1188                 for (TimeSelection::iterator i = time.begin(); i != time.end(); ++i) {
1189                         (*i).start = session_frame_to_track_frame((*i).start, speed);
1190                         (*i).end   = session_frame_to_track_frame((*i).end,   speed);
1191                 }
1192         }
1193
1194         XMLNode &before = playlist->get_state();
1195         switch (op) {
1196         case Cut:
1197                 if ((what_we_got = playlist->cut (time)) != 0) {
1198                         editor.get_cut_buffer().add (what_we_got);
1199                         _session.add_command( new MementoCommand<Playlist>(*playlist.get(), &before, &playlist->get_state()));
1200                         ret = true;
1201                 }
1202                 break;
1203         case Copy:
1204                 if ((what_we_got = playlist->copy (time)) != 0) {
1205                         editor.get_cut_buffer().add (what_we_got);
1206                 }
1207                 break;
1208
1209         case Clear:
1210                 if ((what_we_got = playlist->cut (time)) != 0) {
1211                         _session.add_command( new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
1212                         what_we_got->release ();
1213                         ret = true;
1214                 }
1215                 break;
1216         }
1217
1218         return ret;
1219 }
1220
1221 bool
1222 RouteTimeAxisView::paste (nframes_t pos, float times, Selection& selection, size_t nth)
1223 {
1224         if (!is_track()) {
1225                 return false;
1226         }
1227
1228         boost::shared_ptr<Playlist> playlist = get_diskstream()->playlist();
1229         PlaylistSelection::iterator p;
1230
1231         for (p = selection.playlists.begin(); p != selection.playlists.end() && nth; ++p, --nth);
1232
1233         if (p == selection.playlists.end()) {
1234                 return false;
1235         }
1236
1237         if (get_diskstream()->speed() != 1.0f)
1238                 pos = session_frame_to_track_frame(pos, get_diskstream()->speed() );
1239
1240         XMLNode &before = playlist->get_state();
1241         playlist->paste (*p, pos, times);
1242         _session.add_command( new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
1243
1244         return true;
1245 }
1246
1247
1248 list<TimeAxisView*>
1249 RouteTimeAxisView::get_child_list()
1250 {
1251
1252         list<TimeAxisView*>redirect_children;
1253
1254         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1255                 if (!(*i)->hidden()) {
1256                         redirect_children.push_back(*i);
1257                 }
1258         }
1259         return redirect_children;
1260 }
1261
1262
1263 void
1264 RouteTimeAxisView::build_playlist_menu (Gtk::Menu * menu)
1265 {
1266         using namespace Menu_Helpers;
1267
1268         if (!menu || !is_track()) {
1269                 return;
1270         }
1271
1272         MenuList& playlist_items = menu->items();
1273         menu->set_name ("ArdourContextMenu");
1274         playlist_items.clear();
1275
1276         if (playlist_menu) {
1277                 delete playlist_menu;
1278         }
1279
1280         playlist_menu = new Menu;
1281         playlist_menu->set_name ("ArdourContextMenu");
1282
1283         vector<boost::shared_ptr<Playlist> > playlists;
1284         boost::shared_ptr<Diskstream> ds = get_diskstream();
1285         RadioMenuItem::Group playlist_group;
1286
1287         _session.get_playlists (playlists);
1288
1289         for (vector<boost::shared_ptr<Playlist> >::iterator i = playlists.begin(); i != playlists.end(); ++i) {
1290
1291                 if ((*i)->get_orig_diskstream_id() == ds->id()) {
1292                         playlist_items.push_back (RadioMenuElem (playlist_group, (*i)->name(), bind (mem_fun (*this, &RouteTimeAxisView::use_playlist),
1293                                                                                                      boost::weak_ptr<Playlist> (*i))));
1294
1295                         if (ds->playlist()->id() == (*i)->id()) {
1296                                 static_cast<RadioMenuItem*>(&playlist_items.back())->set_active();
1297                         }
1298                 } else if (ds->playlist()->id() == (*i)->id()) {
1299                         playlist_items.push_back (RadioMenuElem (playlist_group, (*i)->name(), bind (mem_fun (*this, &RouteTimeAxisView::use_playlist),
1300                                                                                                      boost::weak_ptr<Playlist>(*i))));
1301                         static_cast<RadioMenuItem*>(&playlist_items.back())->set_active();
1302
1303                 }
1304         }
1305
1306         playlist_items.push_back (SeparatorElem());
1307         playlist_items.push_back (MenuElem (_("Rename"), mem_fun(*this, &RouteTimeAxisView::rename_current_playlist)));
1308         playlist_items.push_back (SeparatorElem());
1309
1310         playlist_items.push_back (MenuElem (_("New"), mem_fun(editor, &PublicEditor::new_playlists)));
1311         playlist_items.push_back (MenuElem (_("New Copy"), mem_fun(editor, &PublicEditor::copy_playlists)));
1312         playlist_items.push_back (SeparatorElem());
1313         playlist_items.push_back (MenuElem (_("Clear Current"), mem_fun(editor, &PublicEditor::clear_playlists)));
1314         playlist_items.push_back (SeparatorElem());
1315
1316         playlist_items.push_back (MenuElem(_("Select from all ..."), mem_fun(*this, &RouteTimeAxisView::show_playlist_selector)));
1317 }
1318
1319 void
1320 RouteTimeAxisView::use_playlist (boost::weak_ptr<Playlist> wpl)
1321 {
1322         assert (is_track());
1323
1324         boost::shared_ptr<Playlist> pl (wpl.lock());
1325
1326         if (!pl) {
1327                 return;
1328         }
1329
1330         boost::shared_ptr<AudioPlaylist> apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl);
1331
1332         if (apl) {
1333                 get_diskstream()->use_playlist (apl);
1334         }
1335 }
1336
1337 void
1338 RouteTimeAxisView::show_playlist_selector ()
1339 {
1340         editor.playlist_selector().show_for (this);
1341 }
1342
1343 void
1344 RouteTimeAxisView::map_frozen ()
1345 {
1346         if (!is_track()) {
1347                 return;
1348         }
1349
1350         ENSURE_GUI_THREAD (mem_fun(*this, &RouteTimeAxisView::map_frozen));
1351
1352         switch (track()->freeze_state()) {
1353         case Track::Frozen:
1354                 playlist_button.set_sensitive (false);
1355                 rec_enable_button->set_sensitive (false);
1356                 break;
1357         default:
1358                 playlist_button.set_sensitive (true);
1359                 rec_enable_button->set_sensitive (true);
1360                 break;
1361         }
1362 }
1363
1364 void
1365 RouteTimeAxisView::color_handler (ColorID id, uint32_t val)
1366 {
1367         switch (id) {
1368         case cTimeStretchOutline:
1369                 timestretch_rect->property_outline_color_rgba() = val;
1370                 break;
1371         case cTimeStretchFill:
1372                 timestretch_rect->property_fill_color_rgba() = val;
1373                 break;
1374         default:
1375                 break;
1376         }
1377 }
1378
1379 void
1380 RouteTimeAxisView::show_all_automation ()
1381 {
1382         no_redraw = true;
1383
1384         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1385                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1386                         if ((*ii)->view == 0) {
1387                                 add_redirect_automation_curve ((*i)->redirect, (*ii)->what);
1388                         }
1389
1390                         (*ii)->menu_item->set_active (true);
1391                 }
1392         }
1393
1394         no_redraw = false;
1395
1396          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1397 }
1398
1399 void
1400 RouteTimeAxisView::show_existing_automation ()
1401 {
1402         no_redraw = true;
1403
1404         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1405                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1406                         if ((*ii)->view != 0) {
1407                                 (*ii)->menu_item->set_active (true);
1408                         }
1409                 }
1410         }
1411
1412         no_redraw = false;
1413
1414          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1415 }
1416
1417 void
1418 RouteTimeAxisView::hide_all_automation ()
1419 {
1420         no_redraw = true;
1421
1422         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1423                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1424                         (*ii)->menu_item->set_active (false);
1425                 }
1426         }
1427
1428         no_redraw = false;
1429          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1430 }
1431
1432
1433 void
1434 RouteTimeAxisView::region_view_added (RegionView* rv)
1435 {
1436         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1437                 AutomationTimeAxisView* atv;
1438
1439                 if ((atv = dynamic_cast<AutomationTimeAxisView*> (*i)) != 0) {
1440                         rv->add_ghost (*atv);
1441                 }
1442         }
1443 }
1444
1445 void
1446 RouteTimeAxisView::add_ghost_to_redirect (RegionView* rv, AutomationTimeAxisView* atv)
1447 {
1448         rv->add_ghost (*atv);
1449 }
1450
1451 RouteTimeAxisView::RedirectAutomationInfo::~RedirectAutomationInfo ()
1452 {
1453         for (vector<RedirectAutomationNode*>::iterator i = lines.begin(); i != lines.end(); ++i) {
1454                 delete *i;
1455         }
1456 }
1457
1458
1459 RouteTimeAxisView::RedirectAutomationNode::~RedirectAutomationNode ()
1460 {
1461         parent.remove_ran (this);
1462
1463         if (view) {
1464                 delete view;
1465         }
1466 }
1467
1468 void
1469 RouteTimeAxisView::remove_ran (RedirectAutomationNode* ran)
1470 {
1471         if (ran->view) {
1472                 remove_child (ran->view);
1473         }
1474 }
1475
1476 RouteTimeAxisView::RedirectAutomationNode*
1477 RouteTimeAxisView::find_redirect_automation_node (boost::shared_ptr<Redirect> redirect, uint32_t what)
1478 {
1479         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1480
1481                 if ((*i)->redirect == redirect) {
1482
1483                         for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1484                                 if ((*ii)->what == what) {
1485                                         return *ii;
1486                                 }
1487                         }
1488                 }
1489         }
1490
1491         return 0;
1492 }
1493
1494 // FIXME: duplicated in midi_time_axis.cc
1495 static string
1496 legalize_for_xml_node (string str)
1497 {
1498         string::size_type pos;
1499         string legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=:";
1500         string legal;
1501
1502         legal = str;
1503         pos = 0;
1504
1505         while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
1506                 legal.replace (pos, 1, "_");
1507                 pos += 1;
1508         }
1509
1510         return legal;
1511 }
1512
1513
1514 void
1515 RouteTimeAxisView::add_redirect_automation_curve (boost::shared_ptr<Redirect> redirect, uint32_t what)
1516 {
1517         RedirectAutomationLine* ral;
1518         string name;
1519         RedirectAutomationNode* ran;
1520
1521         if ((ran = find_redirect_automation_node (redirect, what)) == 0) {
1522                 fatal << _("programming error: ")
1523                       << string_compose (X_("redirect automation curve for %1:%2 not registered with audio track!"),
1524                                   redirect->name(), what)
1525                       << endmsg;
1526                 /*NOTREACHED*/
1527                 return;
1528         }
1529
1530         if (ran->view) {
1531                 return;
1532         }
1533
1534         name = redirect->describe_parameter (what);
1535
1536         /* create a string that is a legal XML node name that can be used to refer to this redirect+port combination */
1537
1538         char state_name[256];
1539         snprintf (state_name, sizeof (state_name), "Redirect-%s-%" PRIu32, legalize_for_xml_node (redirect->name()).c_str(), what);
1540
1541         ran->view = new RedirectAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, name, what, *redirect, state_name);
1542
1543         ral = new RedirectAutomationLine (name,
1544                                           *redirect, what, _session, *ran->view,
1545                                           *ran->view->canvas_display, redirect->automation_list (what));
1546
1547         ral->set_line_color (color_map[cRedirectAutomationLine]);
1548         ral->queue_reset ();
1549
1550         ran->view->add_line (*ral);
1551
1552         ran->view->Hiding.connect (bind (mem_fun(*this, &RouteTimeAxisView::redirect_automation_track_hidden), ran, redirect));
1553
1554         if (!ran->view->marked_for_display()) {
1555                 ran->view->hide ();
1556         } else {
1557                 ran->menu_item->set_active (true);
1558         }
1559
1560         add_child (ran->view);
1561
1562         if (_view) {
1563                 _view->foreach_regionview (bind (mem_fun(*this, &RouteTimeAxisView::add_ghost_to_redirect), ran->view));
1564         }
1565
1566         redirect->mark_automation_visible (what, true);
1567 }
1568
1569 void
1570 RouteTimeAxisView::redirect_automation_track_hidden (RouteTimeAxisView::RedirectAutomationNode* ran, boost::shared_ptr<Redirect> r)
1571 {
1572         if (!_hidden) {
1573                 ran->menu_item->set_active (false);
1574         }
1575
1576         r->mark_automation_visible (ran->what, false);
1577
1578          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1579 }
1580
1581 void
1582 RouteTimeAxisView::add_existing_redirect_automation_curves (boost::shared_ptr<Redirect> redirect)
1583 {
1584         set<uint32_t> s;
1585         RedirectAutomationLine *ral;
1586
1587         redirect->what_has_visible_automation (s);
1588
1589         for (set<uint32_t>::iterator i = s.begin(); i != s.end(); ++i) {
1590
1591                 if ((ral = find_redirect_automation_curve (redirect, *i)) != 0) {
1592                         ral->queue_reset ();
1593                 } else {
1594                         add_redirect_automation_curve (redirect, (*i));
1595                 }
1596         }
1597 }
1598
1599 void
1600 RouteTimeAxisView::add_redirect_to_subplugin_menu (boost::shared_ptr<Redirect> r)
1601 {
1602         using namespace Menu_Helpers;
1603         RedirectAutomationInfo *rai;
1604         list<RedirectAutomationInfo*>::iterator x;
1605
1606         const std::set<uint32_t>& automatable = r->what_can_be_automated ();
1607         std::set<uint32_t> has_visible_automation;
1608
1609         r->what_has_visible_automation(has_visible_automation);
1610
1611         if (automatable.empty()) {
1612                 return;
1613         }
1614
1615         for (x = redirect_automation.begin(); x != redirect_automation.end(); ++x) {
1616                 if ((*x)->redirect == r) {
1617                         break;
1618                 }
1619         }
1620
1621         if (x == redirect_automation.end()) {
1622
1623                 rai = new RedirectAutomationInfo (r);
1624                 redirect_automation.push_back (rai);
1625
1626         } else {
1627
1628                 rai = *x;
1629
1630         }
1631
1632         /* any older menu was deleted at the top of redirects_changed()
1633            when we cleared the subplugin menu.
1634         */
1635
1636         rai->menu = manage (new Menu);
1637         MenuList& items = rai->menu->items();
1638         rai->menu->set_name ("ArdourContextMenu");
1639
1640         items.clear ();
1641
1642         for (std::set<uint32_t>::const_iterator i = automatable.begin(); i != automatable.end(); ++i) {
1643
1644                 RedirectAutomationNode* ran;
1645                 CheckMenuItem* mitem;
1646
1647                 string name = r->describe_parameter (*i);
1648
1649                 items.push_back (CheckMenuElem (name));
1650                 mitem = dynamic_cast<CheckMenuItem*> (&items.back());
1651
1652                 if (has_visible_automation.find((*i)) != has_visible_automation.end()) {
1653                         mitem->set_active(true);
1654                 }
1655
1656                 if ((ran = find_redirect_automation_node (r, *i)) == 0) {
1657
1658                         /* new item */
1659
1660                         ran = new RedirectAutomationNode (*i, mitem, *this);
1661
1662                         rai->lines.push_back (ran);
1663
1664                 } else {
1665
1666                         ran->menu_item = mitem;
1667
1668                 }
1669
1670                 mitem->signal_toggled().connect (bind (mem_fun(*this, &RouteTimeAxisView::redirect_menu_item_toggled), rai, ran));
1671         }
1672
1673         /* add the menu for this redirect, because the subplugin
1674            menu is always cleared at the top of redirects_changed().
1675            this is the result of some poor design in gtkmm and/or
1676            GTK+.
1677         */
1678
1679         subplugin_menu.items().push_back (MenuElem (r->name(), *rai->menu));
1680         rai->valid = true;
1681 }
1682
1683 void
1684 RouteTimeAxisView::redirect_menu_item_toggled (RouteTimeAxisView::RedirectAutomationInfo* rai,
1685                                                RouteTimeAxisView::RedirectAutomationNode* ran)
1686 {
1687         bool showit = ran->menu_item->get_active();
1688         bool redraw = false;
1689
1690         if (ran->view == 0 && showit) {
1691                 add_redirect_automation_curve (rai->redirect, ran->what);
1692                 redraw = true;
1693         }
1694
1695         if (showit != ran->view->marked_for_display()) {
1696
1697                 if (showit) {
1698                         ran->view->set_marked_for_display (true);
1699                         ran->view->canvas_display->show();
1700                 } else {
1701                         rai->redirect->mark_automation_visible (ran->what, true);
1702                         ran->view->set_marked_for_display (false);
1703                         ran->view->hide ();
1704                 }
1705
1706                 redraw = true;
1707
1708         }
1709
1710         if (redraw && !no_redraw) {
1711
1712                 /* now trigger a redisplay */
1713
1714                  _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1715
1716         }
1717 }
1718
1719 void
1720 RouteTimeAxisView::redirects_changed (void *src)
1721 {
1722         using namespace Menu_Helpers;
1723
1724         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1725                 (*i)->valid = false;
1726         }
1727
1728         subplugin_menu.items().clear ();
1729
1730         _route->foreach_redirect (this, &RouteTimeAxisView::add_redirect_to_subplugin_menu);
1731         _route->foreach_redirect (this, &RouteTimeAxisView::add_existing_redirect_automation_curves);
1732
1733         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ) {
1734
1735                 list<RedirectAutomationInfo*>::iterator tmp;
1736
1737                 tmp = i;
1738                 ++tmp;
1739
1740                 if (!(*i)->valid) {
1741
1742                         delete *i;
1743                         redirect_automation.erase (i);
1744
1745                 }
1746
1747                 i = tmp;
1748         }
1749
1750         /* change in visibility was possible */
1751
1752         _route->gui_changed ("track_height", this);
1753 }
1754
1755 RedirectAutomationLine *
1756 RouteTimeAxisView::find_redirect_automation_curve (boost::shared_ptr<Redirect> redirect, uint32_t what)
1757 {
1758         RedirectAutomationNode* ran;
1759
1760         if ((ran = find_redirect_automation_node (redirect, what)) != 0) {
1761                 if (ran->view) {
1762                         return dynamic_cast<RedirectAutomationLine*> (ran->view->lines.front());
1763                 }
1764         }
1765
1766         return 0;
1767 }
1768
1769 void
1770 RouteTimeAxisView::reset_redirect_automation_curves ()
1771 {
1772         for (vector<RedirectAutomationLine*>::iterator i = redirect_automation_curves.begin(); i != redirect_automation_curves.end(); ++i) {
1773                 (*i)->reset();
1774         }
1775 }
1776