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/diskstream.h>
  44 #include <ardour/insert.h>
  45 #include <ardour/ladspa_plugin.h>
  46 #include <ardour/location.h>
  47 #include <ardour/panner.h>
  48 #include <ardour/playlist.h>
  49 #include <ardour/session.h>
  50 #include <ardour/session_playlist.h>
  51 #include <ardour/utils.h>
  52
  53 #include "ardour_ui.h"
  54 #include "route_time_axis.h"
  55 #include "automation_time_axis.h"
  56 #include "redirect_automation_time_axis.h"
  57 #include "redirect_automation_line.h"
  58 #include "canvas_impl.h"
  59 #include "crossfade_view.h"
  60 #include "enums.h"
  61 #include "gui_thread.h"
  62 #include "keyboard.h"
  63 #include "playlist_selector.h"
  64 #include "point_selection.h"
  65 #include "prompter.h"
  66 #include "public_editor.h"
  67 #include "region_view.h"
  68 #include "rgb_macros.h"
  69 #include "selection.h"
  70 #include "simplerect.h"
  71 #include "streamview.h"
  72 #include "utils.h"
  73
  74 #include <ardour/track.h>
  75
  76 #include "i18n.h"
  77
  78 using namespace ARDOUR;
  79 using namespace PBD;
  80 using namespace Gtk;
  81 using namespace Editing;
  82
  83
  84 RouteTimeAxisView::RouteTimeAxisView (PublicEditor& ed, Session& sess, boost::shared_ptr<Route> rt, Canvas& canvas)
  85         : AxisView(sess),
  86           RouteUI(rt, sess, _("m"), _("s"), _("r")), // mute, solo, and record
  87           TimeAxisView(sess,ed,(TimeAxisView*) 0, canvas),
  88           parent_canvas (canvas),
  89           button_table (3, 3),
  90           edit_group_button (_("g")), // group
  91           playlist_button (_("p")),
  92           size_button (_("h")), // height
  93           automation_button (_("a")),
  94           visual_button (_("v"))
  95
  96 {
  97         _has_state = true;
  98         playlist_menu = 0;
  99         playlist_action_menu = 0;
 100         automation_action_menu = 0;
 101         _view = 0;
 102         timestretch_rect = 0;
 103         no_redraw = false;
 104
 105         ignore_toggle = false;
 106
 107         mute_button->set_active (false);
 108         solo_button->set_active (false);
 109
 110         mute_button->set_name ("TrackMuteButton");
 111         solo_button->set_name ("SoloButton");
 112         edit_group_button.set_name ("TrackGroupButton");
 113         playlist_button.set_name ("TrackPlaylistButton");
 114         automation_button.set_name ("TrackAutomationButton");
 115         size_button.set_name ("TrackSizeButton");
 116         visual_button.set_name ("TrackVisualButton");
 117         hide_button.set_name ("TrackRemoveButton");
 118
 119         hide_button.add (*(manage (new Image (get_xpm("small_x.xpm")))));
 120
 121         solo_button->signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
 122         mute_button->signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
 123         playlist_button.signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
 124         automation_button.signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
 125         size_button.signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
 126         visual_button.signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
 127         hide_button.signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
 128
 129         solo_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::solo_press), false);
 130         solo_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::solo_release), false);
 131         mute_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::mute_press), false);
 132         mute_button->signal_button_release_event().connect (mem_fun(*this, &RouteUI::mute_release), false);
 133         edit_group_button.signal_button_release_event().connect (mem_fun(*this, &RouteTimeAxisView::edit_click), false);
 134         playlist_button.signal_clicked().connect (mem_fun(*this, &RouteTimeAxisView::playlist_click));
 135         automation_button.signal_clicked().connect (mem_fun(*this, &RouteTimeAxisView::automation_click));
 136         size_button.signal_button_release_event().connect (mem_fun(*this, &RouteTimeAxisView::size_click), false);
 137         visual_button.signal_clicked().connect (mem_fun(*this, &RouteTimeAxisView::visual_click));
 138         hide_button.signal_clicked().connect (mem_fun(*this, &RouteTimeAxisView::hide_click));
 139
 140         if (is_track()) {
 141                 rec_enable_button->set_active (false);
 142                 rec_enable_button->set_name ("TrackRecordEnableButton");
 143                 rec_enable_button->signal_button_press_event().connect (mem_fun (*this, &RouteTimeAxisView::select_me), false);
 144                 rec_enable_button->signal_button_press_event().connect (mem_fun(*this, &RouteUI::rec_enable_press));
 145                 controls_table.attach (*rec_enable_button, 5, 6, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 146                 ARDOUR_UI::instance()->tooltips().set_tip(*rec_enable_button, _("Record"));
 147         }
 148
 149         controls_table.attach (*mute_button, 6, 7, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 150         controls_table.attach (*solo_button, 7, 8, 0, 1, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::FILL|Gtk::EXPAND, 0, 0);
 151
 152         controls_table.attach (edit_group_button, 6, 7, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND, 0, 0);
 153
 154         ARDOUR_UI::instance()->tooltips().set_tip(*solo_button,_("Solo"));
 155         ARDOUR_UI::instance()->tooltips().set_tip(*mute_button,_("Mute"));
 156         ARDOUR_UI::instance()->tooltips().set_tip(edit_group_button,_("Edit Group"));
 157         ARDOUR_UI::instance()->tooltips().set_tip(size_button,_("Display Height"));
 158         ARDOUR_UI::instance()->tooltips().set_tip(playlist_button,_("Playlist"));
 159         ARDOUR_UI::instance()->tooltips().set_tip(automation_button, _("Automation"));
 160         ARDOUR_UI::instance()->tooltips().set_tip(visual_button, _("Visual options"));
 161         ARDOUR_UI::instance()->tooltips().set_tip(hide_button, _("Hide this track"));
 162
 163         label_view ();
 164
 165         controls_table.attach (hide_button, 0, 1, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 166         controls_table.attach (visual_button, 1, 2, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 167         controls_table.attach (size_button, 2, 3, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 168         controls_table.attach (automation_button, 3, 4, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 169
 170         if (is_track() && track()->mode() == ARDOUR::Normal) {
 171                 controls_table.attach (playlist_button, 5, 6, 1, 2, Gtk::FILL|Gtk::EXPAND, Gtk::FILL|Gtk::EXPAND);
 172         }
 173
 174         /* remove focus from the buttons */
 175
 176         automation_button.unset_flags (Gtk::CAN_FOCUS);
 177         solo_button->unset_flags (Gtk::CAN_FOCUS);
 178         mute_button->unset_flags (Gtk::CAN_FOCUS);
 179         edit_group_button.unset_flags (Gtk::CAN_FOCUS);
 180         size_button.unset_flags (Gtk::CAN_FOCUS);
 181         playlist_button.unset_flags (Gtk::CAN_FOCUS);
 182         hide_button.unset_flags (Gtk::CAN_FOCUS);
 183         visual_button.unset_flags (Gtk::CAN_FOCUS);
 184
 185         /* map current state of the route */
 186
 187         update_diskstream_display ();
 188         solo_changed(0);
 189         mute_changed(0);
 190         //redirects_changed (0);
 191         //reset_redirect_automation_curves ();
 192         y_position = -1;
 193
 194         _route->mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed));
 195         _route->solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 196         _route->redirects_changed.connect (mem_fun(*this, &RouteTimeAxisView::redirects_changed));
 197         _route->name_changed.connect (mem_fun(*this, &RouteTimeAxisView::route_name_changed));
 198         _route->solo_safe_changed.connect (mem_fun(*this, &RouteUI::solo_changed));
 199
 200         if (is_track()) {
 201
 202                 track()->FreezeChange.connect (mem_fun(*this, &RouteTimeAxisView::map_frozen));
 203                 track()->DiskstreamChanged.connect (mem_fun(*this, &RouteTimeAxisView::diskstream_changed));
 204                 get_diskstream()->SpeedChanged.connect (mem_fun(*this, &RouteTimeAxisView::speed_changed));
 205
 206                 /* ask for notifications of any new RegionViews */
 207                 // FIXME: _view is NULL, but it would be nice to attach this here :/
 208                 //_view->RegionViewAdded.connect (mem_fun(*this, &RouteTimeAxisView::region_view_added));
 209                 //_view->attach ();
 210
 211                 /* pick up the correct freeze state */
 212                 map_frozen ();
 213
 214         }
 215
 216         editor.ZoomChanged.connect (mem_fun(*this, &RouteTimeAxisView::reset_samples_per_unit));
 217         ColorChanged.connect (mem_fun (*this, &RouteTimeAxisView::color_handler));
 218 }
 219
 220 RouteTimeAxisView::~RouteTimeAxisView ()
 221 {
 222         GoingAway (); /* EMIT_SIGNAL */
 223
 224         vector_delete (&redirect_automation_curves);
 225
 226         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
 227                 delete *i;
 228         }
 229
 230         if (playlist_menu) {
 231                 delete playlist_menu;
 232                 playlist_menu = 0;
 233         }
 234
 235         if (playlist_action_menu) {
 236                 delete playlist_action_menu;
 237                 playlist_action_menu = 0;
 238         }
 239
 240         if (_view) {
 241                 delete _view;
 242                 _view = 0;
 243         }
 244 }
 245
 246 void
 247 RouteTimeAxisView::set_playlist (Playlist *newplaylist)
 248 {
 249         Playlist *pl = playlist();
 250         assert(pl);
 251
 252         modified_connection.disconnect ();
 253         state_changed_connection.disconnect ();
 254
 255         state_changed_connection = pl->StateChanged.connect (mem_fun(*this, &RouteTimeAxisView::playlist_state_changed));
 256         modified_connection = pl->Modified.connect (mem_fun(*this, &RouteTimeAxisView::playlist_modified));
 257 }
 258
 259 void
 260 RouteTimeAxisView::playlist_modified ()
 261 {
 262 }
 263
 264 gint
 265 RouteTimeAxisView::edit_click (GdkEventButton *ev)
 266 {
 267         if (Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
 268                 _route->set_edit_group (0, this);
 269                 return FALSE;
 270         }
 271
 272         using namespace Menu_Helpers;
 273
 274         MenuList& items = edit_group_menu.items ();
 275         RadioMenuItem::Group group;
 276
 277         items.clear ();
 278         items.push_back (RadioMenuElem (group, _("No group"),
 279                                         bind (mem_fun(*this, &RouteTimeAxisView::set_edit_group_from_menu), (RouteGroup *) 0)));
 280
 281         if (_route->edit_group() == 0) {
 282                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
 283         }
 284
 285         _session.foreach_edit_group (bind (mem_fun (*this, &RouteTimeAxisView::add_edit_group_menu_item), &group));
 286         edit_group_menu.popup (ev->button, ev->time);
 287
 288         return FALSE;
 289 }
 290
 291 void
 292 RouteTimeAxisView::add_edit_group_menu_item (RouteGroup *eg, RadioMenuItem::Group* group)
 293 {
 294         using namespace Menu_Helpers;
 295
 296         MenuList &items = edit_group_menu.items();
 297
 298         cerr << "adding edit group " << eg->name() << endl;
 299
 300         items.push_back (RadioMenuElem (*group, eg->name(), bind (mem_fun(*this, &RouteTimeAxisView::set_edit_group_from_menu), eg)));
 301         if (_route->edit_group() == eg) {
 302                 static_cast<RadioMenuItem*>(&items.back())->set_active ();
 303         }
 304 }
 305
 306 void
 307 RouteTimeAxisView::set_edit_group_from_menu (RouteGroup *eg)
 308
 309 {
 310         _route->set_edit_group (eg, this);
 311 }
 312
 313 void
 314 RouteTimeAxisView::playlist_state_changed (Change ignored)
 315 {
 316         // ENSURE_GUI_THREAD (bind (mem_fun(*this, &RouteTimeAxisView::playlist_state_changed), ignored));
 317         // why are we here ?
 318 }
 319
 320 void
 321 RouteTimeAxisView::playlist_changed ()
 322
 323 {
 324         label_view ();
 325
 326         if (is_track()) {
 327                 set_playlist (dynamic_cast<Playlist*>(get_diskstream()->playlist()));
 328         }
 329 }
 330
 331 void
 332 RouteTimeAxisView::label_view ()
 333 {
 334         string x = _route->name();
 335
 336         if (x != name_entry.get_text()) {
 337                 name_entry.set_text (x);
 338         }
 339
 340         ARDOUR_UI::instance()->tooltips().set_tip (name_entry, x);
 341 }
 342
 343 void
 344 RouteTimeAxisView::route_name_changed (void *src)
 345 {
 346         editor.route_name_changed (this);
 347         label_view ();
 348 }
 349
 350 void
 351 RouteTimeAxisView::take_name_changed (void *src)
 352
 353 {
 354         if (src != this) {
 355                 label_view ();
 356         }
 357 }
 358
 359 void
 360 RouteTimeAxisView::playlist_click ()
 361 {
 362         // always build a new action menu
 363
 364         if (playlist_action_menu == 0) {
 365                 playlist_action_menu = new Menu;
 366                 playlist_action_menu->set_name ("ArdourContextMenu");
 367         }
 368
 369         build_playlist_menu(playlist_action_menu);
 370
 371         playlist_action_menu->popup (1, 0);
 372 }
 373
 374 void
 375 RouteTimeAxisView::automation_click ()
 376 {
 377         if (automation_action_menu == 0) {
 378                 /* this seems odd, but the automation action
 379                    menu is built as part of the display menu.
 380                 */
 381                 build_display_menu ();
 382         }
 383         automation_action_menu->popup (1, 0);
 384 }
 385
 386 void
 387 RouteTimeAxisView::build_automation_action_menu ()
 388 {
 389         using namespace Menu_Helpers;
 390
 391         automation_action_menu = manage (new Menu);
 392         MenuList& automation_items = automation_action_menu->items();
 393         automation_action_menu->set_name ("ArdourContextMenu");
 394
 395         automation_items.push_back (MenuElem (_("Show all automation"),
 396                                               mem_fun(*this, &RouteTimeAxisView::show_all_automation)));
 397
 398         automation_items.push_back (MenuElem (_("Show existing automation"),
 399                                               mem_fun(*this, &RouteTimeAxisView::show_existing_automation)));
 400
 401         automation_items.push_back (MenuElem (_("Hide all automation"),
 402                                               mem_fun(*this, &RouteTimeAxisView::hide_all_automation)));
 403
 404         automation_items.push_back (MenuElem (_("Plugins"), subplugin_menu));
 405 }
 406
 407 void
 408 RouteTimeAxisView::build_display_menu ()
 409 {
 410         using namespace Menu_Helpers;
 411
 412         /* get the size menu ready */
 413
 414         build_size_menu ();
 415
 416         /* prepare it */
 417
 418         TimeAxisView::build_display_menu ();
 419
 420         /* now fill it with our stuff */
 421
 422         MenuList& items = display_menu->items();
 423         display_menu->set_name ("ArdourContextMenu");
 424
 425         items.push_back (MenuElem (_("Height"), *size_menu));
 426         items.push_back (MenuElem (_("Color"), mem_fun(*this, &RouteTimeAxisView::select_track_color)));
 427
 428         items.push_back (SeparatorElem());
 429
 430         build_remote_control_menu ();
 431         items.push_back (MenuElem (_("Remote Control ID"), *remote_control_menu));
 432
 433         build_automation_action_menu ();
 434         items.push_back (MenuElem (_("Automation"), *automation_action_menu));
 435
 436         // Hook for derived classes to add type specific stuff
 437         items.push_back (SeparatorElem());
 438         append_extra_display_menu_items ();
 439         items.push_back (SeparatorElem());
 440
 441         if (is_track()) {
 442
 443                 Menu* alignment_menu = manage (new Menu);
 444                 MenuList& alignment_items = alignment_menu->items();
 445                 alignment_menu->set_name ("ArdourContextMenu");
 446
 447                 RadioMenuItem::Group align_group;
 448
 449                 alignment_items.push_back (RadioMenuElem (align_group, _("Align with existing material"),
 450                         bind (mem_fun(*this, &RouteTimeAxisView::set_align_style), ExistingMaterial)));
 451                 align_existing_item = dynamic_cast<RadioMenuItem*>(&alignment_items.back());
 452                 if (get_diskstream()->alignment_style() == ExistingMaterial)
 453                         align_existing_item->set_active();
 454
 455                 alignment_items.push_back (RadioMenuElem (align_group, _("Align with capture time"),
 456                         bind (mem_fun(*this, &RouteTimeAxisView::set_align_style), CaptureTime)));
 457                 align_capture_item = dynamic_cast<RadioMenuItem*>(&alignment_items.back());
 458                 if (get_diskstream()->alignment_style() == CaptureTime)
 459                         align_capture_item->set_active();
 460
 461                 items.push_back (MenuElem (_("Alignment"), *alignment_menu));
 462
 463                 get_diskstream()->AlignmentStyleChanged.connect (
 464                         mem_fun(*this, &RouteTimeAxisView::align_style_changed));
 465         }
 466
 467         items.push_back (SeparatorElem());
 468         items.push_back (CheckMenuElem (_("Active"), mem_fun(*this, &RouteUI::toggle_route_active)));
 469         route_active_menu_item = dynamic_cast<CheckMenuItem *> (&items.back());
 470         route_active_menu_item->set_active (_route->active());
 471
 472         items.push_back (SeparatorElem());
 473         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &RouteUI::remove_this_route)));
 474 }
 475
 476
 477 void
 478 RouteTimeAxisView::show_timestretch (jack_nframes_t start, jack_nframes_t end)
 479 {
 480         double x1;
 481         double x2;
 482         double y2;
 483
 484         TimeAxisView::show_timestretch (start, end);
 485
 486         hide_timestretch ();
 487
 488 #if 0
 489         if (ts.empty()) {
 490                 return;
 491         }
 492
 493
 494         /* check that the time selection was made in our route, or our edit group.
 495            remember that edit_group() == 0 implies the route is *not* in a edit group.
 496         */
 497
 498         if (!(ts.track == this || (ts.group != 0 && ts.group == _route->edit_group()))) {
 499                 /* this doesn't apply to us */
 500                 return;
 501         }
 502
 503         /* ignore it if our edit group is not active */
 504
 505         if ((ts.track != this) && _route->edit_group() && !_route->edit_group()->is_active()) {
 506                 return;
 507         }
 508 #endif
 509
 510         if (timestretch_rect == 0) {
 511                 timestretch_rect = new SimpleRect (*canvas_display);
 512                 timestretch_rect->property_x1() =  0.0;
 513                 timestretch_rect->property_y1() =  0.0;
 514                 timestretch_rect->property_x2() =  0.0;
 515                 timestretch_rect->property_y2() =  0.0;
 516                 timestretch_rect->property_fill_color_rgba() =  color_map[cTimeStretchFill];
 517                 timestretch_rect->property_outline_color_rgba() = color_map[cTimeStretchOutline];
 518         }
 519
 520         timestretch_rect->show ();
 521         timestretch_rect->raise_to_top ();
 522
 523         x1 = start / editor.get_current_zoom();
 524         x2 = (end - 1) / editor.get_current_zoom();
 525         y2 = height - 2;
 526
 527         timestretch_rect->property_x1() = x1;
 528         timestretch_rect->property_y1() = 1.0;
 529         timestretch_rect->property_x2() = x2;
 530         timestretch_rect->property_y2() = y2;
 531 }
 532
 533 void
 534 RouteTimeAxisView::hide_timestretch ()
 535 {
 536         TimeAxisView::hide_timestretch ();
 537
 538         if (timestretch_rect) {
 539                 timestretch_rect->hide ();
 540         }
 541 }
 542
 543 void
 544 RouteTimeAxisView::show_selection (TimeSelection& ts)
 545 {
 546
 547 #if 0
 548         /* ignore it if our edit group is not active or if the selection was started
 549            in some other track or edit group (remember that edit_group() == 0 means
 550            that the track is not in an edit group).
 551         */
 552
 553         if (((ts.track != this && !is_child (ts.track)) && _route->edit_group() && !_route->edit_group()->is_active()) ||
 554             (!(ts.track == this || is_child (ts.track) || (ts.group != 0 && ts.group == _route->edit_group())))) {
 555                 hide_selection ();
 556                 return;
 557         }
 558 #endif
 559
 560         TimeAxisView::show_selection (ts);
 561 }
 562
 563 void
 564 RouteTimeAxisView::set_height (TrackHeight h)
 565 {
 566         bool height_changed = (height == 0) || (h != height_style);
 567
 568         TimeAxisView::set_height (h);
 569
 570         ensure_xml_node ();
 571
 572         _view->set_height ((double) height);
 573
 574         switch (height_style) {
 575         case Largest:
 576                 xml_node->add_property ("track_height", "largest");
 577                 break;
 578
 579         case Large:
 580                 xml_node->add_property ("track_height", "large");
 581                 break;
 582
 583         case Larger:
 584                 xml_node->add_property ("track_height", "larger");
 585                 break;
 586
 587         case Normal:
 588                 xml_node->add_property ("track_height", "normal");
 589                 break;
 590
 591         case Smaller:
 592                 xml_node->add_property ("track_height", "smaller");
 593                 break;
 594
 595         case Small:
 596                 xml_node->add_property ("track_height", "small");
 597                 break;
 598         }
 599
 600         switch (height_style) {
 601         case Largest:
 602         case Large:
 603         case Larger:
 604         case Normal:
 605                 show_name_entry ();
 606                 hide_name_label ();
 607
 608                 mute_button->show_all();
 609                 solo_button->show_all();
 610                 if (rec_enable_button)
 611                         rec_enable_button->show_all();
 612
 613                 edit_group_button.show_all();
 614                 hide_button.show_all();
 615                 visual_button.show_all();
 616                 size_button.show_all();
 617                 automation_button.show_all();
 618
 619                 if (is_track() && track()->mode() == ARDOUR::Normal) {
 620                         playlist_button.show_all();
 621                 }
 622                 break;
 623
 624         case Smaller:
 625                 show_name_entry ();
 626                 hide_name_label ();
 627
 628                 mute_button->show_all();
 629                 solo_button->show_all();
 630                 if (rec_enable_button)
 631                         rec_enable_button->show_all();
 632
 633                 edit_group_button.hide ();
 634                 hide_button.hide ();
 635                 visual_button.hide ();
 636                 size_button.hide ();
 637                 automation_button.hide ();
 638
 639                 if (is_track() && track()->mode() == ARDOUR::Normal) {
 640                         playlist_button.hide ();
 641                 }
 642                 break;
 643
 644         case Small:
 645                 hide_name_entry ();
 646                 show_name_label ();
 647
 648                 mute_button->hide();
 649                 solo_button->hide();
 650                 if (rec_enable_button)
 651                         rec_enable_button->hide();
 652
 653                 edit_group_button.hide ();
 654                 hide_button.hide ();
 655                 visual_button.hide ();
 656                 size_button.hide ();
 657                 automation_button.hide ();
 658                 playlist_button.hide ();
 659                 name_label.set_text (_route->name());
 660                 break;
 661         }
 662
 663         if (height_changed) {
 664                 /* only emit the signal if the height really changed */
 665                  _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
 666         }
 667 }
 668
 669 void
 670 RouteTimeAxisView::select_track_color ()
 671 {
 672         if (RouteUI::choose_color ()) {
 673
 674                 if (_view) {
 675                         _view->apply_color (_color, StreamView::RegionColor);
 676                 }
 677         }
 678 }
 679
 680 void
 681 RouteTimeAxisView::reset_samples_per_unit ()
 682 {
 683         set_samples_per_unit (editor.get_current_zoom());
 684 }
 685
 686 void
 687 RouteTimeAxisView::set_samples_per_unit (double spu)
 688 {
 689         double speed = 1.0;
 690
 691         if (get_diskstream() != 0) {
 692                 speed = get_diskstream()->speed();
 693         }
 694
 695         if (_view) {
 696                 _view->set_samples_per_unit (spu * speed);
 697         }
 698
 699         TimeAxisView::set_samples_per_unit (spu * speed);
 700 }
 701
 702 void
 703 RouteTimeAxisView::align_style_changed ()
 704 {
 705         switch (get_diskstream()->alignment_style()) {
 706         case ExistingMaterial:
 707                 if (!align_existing_item->get_active()) {
 708                         align_existing_item->set_active();
 709                 }
 710                 break;
 711         case CaptureTime:
 712                 if (!align_capture_item->get_active()) {
 713                         align_capture_item->set_active();
 714                 }
 715                 break;
 716         }
 717 }
 718
 719 void
 720 RouteTimeAxisView::set_align_style (AlignStyle style)
 721 {
 722         get_diskstream()->set_align_style (style);
 723 }
 724
 725 void
 726 RouteTimeAxisView::rename_current_playlist ()
 727 {
 728         ArdourPrompter prompter (true);
 729         string name;
 730
 731         boost::shared_ptr<Diskstream> ds = get_diskstream();
 732         if (!ds || ds->destructive())
 733                 return;
 734
 735         Playlist *const pl = ds->playlist();
 736         if (!pl)
 737                 return;
 738
 739         prompter.set_prompt (_("Name for playlist"));
 740         prompter.set_initial_text (pl->name());
 741         prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
 742         prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
 743
 744         switch (prompter.run ()) {
 745         case Gtk::RESPONSE_ACCEPT:
 746                 prompter.get_result (name);
 747                 if (name.length()) {
 748                         pl->set_name (name);
 749                 }
 750                 break;
 751
 752         default:
 753                 break;
 754         }
 755 }
 756
 757 void
 758 RouteTimeAxisView::use_copy_playlist (bool prompt)
 759 {
 760         string name;
 761
 762         boost::shared_ptr<Diskstream> ds = get_diskstream();
 763         if (!ds || ds->destructive())
 764                 return;
 765
 766         Playlist *const pl = ds->playlist();
 767         if (!pl)
 768                 return;
 769
 770         name = Playlist::bump_name (pl->name(), _session);
 771
 772         if (prompt) {
 773
 774                 ArdourPrompter prompter (true);
 775
 776                 prompter.set_prompt (_("Name for Playlist"));
 777                 prompter.set_initial_text (name);
 778                 prompter.add_button (Gtk::Stock::NEW, Gtk::RESPONSE_ACCEPT);
 779                 prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
 780                 prompter.show_all ();
 781
 782                 switch (prompter.run ()) {
 783                 case Gtk::RESPONSE_ACCEPT:
 784                         prompter.get_result (name);
 785                         break;
 786
 787                 default:
 788                         return;
 789                 }
 790         }
 791
 792         if (name.length()) {
 793                 ds->use_copy_playlist ();
 794                 pl->set_name (name);
 795         }
 796 }
 797
 798 void
 799 RouteTimeAxisView::use_new_playlist (bool prompt)
 800 {
 801         string name;
 802
 803         boost::shared_ptr<Diskstream> ds = get_diskstream();
 804         if (!ds || ds->destructive())
 805                 return;
 806
 807         Playlist *const pl = ds->playlist();
 808         if (!pl)
 809                 return;
 810
 811         name = Playlist::bump_name (pl->name(), _session);
 812
 813         if (prompt) {
 814
 815                 ArdourPrompter prompter (true);
 816
 817                 prompter.set_prompt (_("Name for Playlist"));
 818                 prompter.set_initial_text (name);
 819                 prompter.add_button (Gtk::Stock::NEW, Gtk::RESPONSE_ACCEPT);
 820                 prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
 821
 822                 switch (prompter.run ()) {
 823                 case Gtk::RESPONSE_ACCEPT:
 824                         prompter.get_result (name);
 825                         break;
 826
 827                 default:
 828                         return;
 829                 }
 830         }
 831
 832         if (name.length()) {
 833                 ds->use_new_playlist ();
 834                 pl->set_name (name);
 835         }
 836 }
 837
 838 void
 839 RouteTimeAxisView::clear_playlist ()
 840 {
 841         boost::shared_ptr<Diskstream> ds = get_diskstream();
 842         if (!ds || ds->destructive())
 843                 return;
 844
 845         Playlist *const pl = ds->playlist();
 846         if (!pl)
 847                 return;
 848
 849         editor.clear_playlist (*pl);
 850 }
 851
 852 void
 853 RouteTimeAxisView::speed_changed ()
 854 {
 855         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &RouteTimeAxisView::reset_samples_per_unit));
 856 }
 857
 858 void
 859 RouteTimeAxisView::diskstream_changed ()
 860 {
 861         Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &RouteTimeAxisView::update_diskstream_display));
 862 }
 863
 864 void
 865 RouteTimeAxisView::update_diskstream_display ()
 866 {
 867         if (!get_diskstream()) // bus
 868                 return;
 869
 870         set_playlist (get_diskstream()->playlist());
 871         map_frozen ();
 872 }
 873
 874 void
 875 RouteTimeAxisView::selection_click (GdkEventButton* ev)
 876 {
 877         PublicEditor::TrackViewList* tracks = editor.get_valid_views (this, _route->edit_group());
 878
 879         switch (Keyboard::selection_type (ev->state)) {
 880         case Selection::Toggle:
 881                 editor.get_selection().toggle (*tracks);
 882                 break;
 883
 884         case Selection::Set:
 885                 editor.get_selection().set (*tracks);
 886                 break;
 887
 888         case Selection::Extend:
 889                 /* not defined yet */
 890                 break;
 891         }
 892
 893         delete tracks;
 894 }
 895
 896 void
 897 RouteTimeAxisView::set_selected_points (PointSelection& points)
 898 {
 899         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 900                 (*i)->set_selected_points (points);
 901         }
 902 }
 903
 904 void
 905 RouteTimeAxisView::set_selected_regionviews (RegionSelection& regions)
 906 {
 907         _view->set_selected_regionviews (regions);
 908 }
 909
 910 void
 911 RouteTimeAxisView::get_selectables (jack_nframes_t start, jack_nframes_t end, double top, double bot, list<Selectable*>& results)
 912 {
 913         double speed = 1.0;
 914
 915         if (get_diskstream() != 0) {
 916                 speed = get_diskstream()->speed();
 917         }
 918
 919         jack_nframes_t start_adjusted = session_frame_to_track_frame(start, speed);
 920         jack_nframes_t end_adjusted   = session_frame_to_track_frame(end, speed);
 921
 922         if (_view && ((top < 0.0 && bot < 0.0)) || touched (top, bot)) {
 923                 _view->get_selectables (start_adjusted, end_adjusted, results);
 924         }
 925
 926         /* pick up visible automation tracks */
 927
 928         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 929                 if (!(*i)->hidden()) {
 930                         (*i)->get_selectables (start_adjusted, end_adjusted, top, bot, results);
 931                 }
 932         }
 933 }
 934
 935 void
 936 RouteTimeAxisView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
 937 {
 938         if (_view) {
 939                 _view->get_inverted_selectables (sel, results);
 940         }
 941
 942         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
 943                 if (!(*i)->hidden()) {
 944                         (*i)->get_inverted_selectables (sel, results);
 945                 }
 946         }
 947
 948         return;
 949 }
 950
 951 RouteGroup*
 952 RouteTimeAxisView::edit_group() const
 953 {
 954         return _route->edit_group();
 955 }
 956
 957 string
 958 RouteTimeAxisView::name() const
 959 {
 960         return _route->name();
 961 }
 962
 963 Playlist *
 964 RouteTimeAxisView::playlist () const
 965 {
 966         boost::shared_ptr<Diskstream> ds;
 967
 968         if ((ds = get_diskstream()) != 0) {
 969                 return ds->playlist();
 970         } else {
 971                 return 0;
 972         }
 973 }
 974
 975 void
 976 RouteTimeAxisView::name_entry_changed ()
 977 {
 978         string x;
 979
 980         x = name_entry.get_text ();
 981
 982         if (x == _route->name()) {
 983                 return;
 984         }
 985
 986         if (x.length() == 0) {
 987                 name_entry.set_text (_route->name());
 988                 return;
 989         }
 990
 991         strip_whitespace_edges(x);
 992
 993         if (_session.route_name_unique (x)) {
 994                 _route->set_name (x, this);
 995         } else {
 996                 ARDOUR_UI::instance()->popup_error (_("a track already exists with that name"));
 997                 name_entry.set_text (_route->name());
 998         }
 999 }
1000
1001 void
1002 RouteTimeAxisView::visual_click ()
1003 {
1004         popup_display_menu (0);
1005 }
1006
1007 void
1008 RouteTimeAxisView::hide_click ()
1009 {
1010         editor.hide_track_in_display (*this);
1011 }
1012
1013 Region*
1014 RouteTimeAxisView::find_next_region (jack_nframes_t pos, RegionPoint point, int32_t dir)
1015 {
1016         boost::shared_ptr<Diskstream> stream;
1017         Playlist *playlist;
1018
1019         if ((stream = get_diskstream()) != 0 && (playlist = stream->playlist()) != 0) {
1020                 return playlist->find_next_region (pos, point, dir);
1021         }
1022
1023         return 0;
1024 }
1025
1026 bool
1027 RouteTimeAxisView::cut_copy_clear (Selection& selection, CutCopyOp op)
1028 {
1029         Playlist* what_we_got;
1030         boost::shared_ptr<Diskstream> ds = get_diskstream();
1031         Playlist* playlist;
1032         bool ret = false;
1033
1034         if (ds == 0) {
1035                 /* route is a bus, not a track */
1036                 return false;
1037         }
1038
1039         playlist = ds->playlist();
1040
1041
1042         TimeSelection time (selection.time);
1043         float speed = ds->speed();
1044         if (speed != 1.0f) {
1045                 for (TimeSelection::iterator i = time.begin(); i != time.end(); ++i) {
1046                         (*i).start = session_frame_to_track_frame((*i).start, speed);
1047                         (*i).end   = session_frame_to_track_frame((*i).end,   speed);
1048                 }
1049         }
1050
1051         XMLNode &before = playlist->get_state();
1052         switch (op) {
1053         case Cut:
1054                 if ((what_we_got = playlist->cut (time)) != 0) {
1055                         editor.get_cut_buffer().add (what_we_got);
1056                         _session.add_command( new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
1057                         ret = true;
1058                 }
1059                 break;
1060         case Copy:
1061                 if ((what_we_got = playlist->copy (time)) != 0) {
1062                         editor.get_cut_buffer().add (what_we_got);
1063                 }
1064                 break;
1065
1066         case Clear:
1067                 if ((what_we_got = playlist->cut (time)) != 0) {
1068                         _session.add_command( new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
1069                         what_we_got->unref ();
1070                         ret = true;
1071                 }
1072                 break;
1073         }
1074
1075         return ret;
1076 }
1077
1078 bool
1079 RouteTimeAxisView::paste (jack_nframes_t pos, float times, Selection& selection, size_t nth)
1080 {
1081         if (!is_track()) {
1082                 return false;
1083         }
1084
1085         Playlist* playlist = get_diskstream()->playlist();
1086         PlaylistSelection::iterator p;
1087
1088         for (p = selection.playlists.begin(); p != selection.playlists.end() && nth; ++p, --nth);
1089
1090         if (p == selection.playlists.end()) {
1091                 return false;
1092         }
1093
1094         if (get_diskstream()->speed() != 1.0f)
1095                 pos = session_frame_to_track_frame(pos, get_diskstream()->speed() );
1096
1097         XMLNode &before = playlist->get_state();
1098         playlist->paste (**p, pos, times);
1099         _session.add_command( new MementoCommand<Playlist>(*playlist, &before, &playlist->get_state()));
1100
1101         return true;
1102 }
1103
1104
1105 list<TimeAxisView*>
1106 RouteTimeAxisView::get_child_list()
1107 {
1108
1109         list<TimeAxisView*>redirect_children;
1110
1111         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1112                 if (!(*i)->hidden()) {
1113                         redirect_children.push_back(*i);
1114                 }
1115         }
1116         return redirect_children;
1117 }
1118
1119
1120 void
1121 RouteTimeAxisView::build_playlist_menu (Gtk::Menu * menu)
1122 {
1123         using namespace Menu_Helpers;
1124
1125         if (!menu || !is_track()) {
1126                 return;
1127         }
1128
1129         MenuList& playlist_items = menu->items();
1130         menu->set_name ("ArdourContextMenu");
1131         playlist_items.clear();
1132
1133         if (playlist_menu) {
1134                 delete playlist_menu;
1135         }
1136         playlist_menu = new Menu;
1137         playlist_menu->set_name ("ArdourContextMenu");
1138
1139         playlist_items.push_back (MenuElem (string_compose (_("Current: %1"), get_diskstream()->playlist()->name())));
1140         playlist_items.push_back (SeparatorElem());
1141
1142         playlist_items.push_back (MenuElem (_("Rename"), mem_fun(*this, &RouteTimeAxisView::rename_current_playlist)));
1143         playlist_items.push_back (SeparatorElem());
1144
1145         playlist_items.push_back (MenuElem (_("New"), mem_fun(editor, &PublicEditor::new_playlists)));
1146         playlist_items.push_back (MenuElem (_("New Copy"), mem_fun(editor, &PublicEditor::copy_playlists)));
1147         playlist_items.push_back (SeparatorElem());
1148         playlist_items.push_back (MenuElem (_("Clear Current"), mem_fun(editor, &PublicEditor::clear_playlists)));
1149         playlist_items.push_back (SeparatorElem());
1150         playlist_items.push_back (MenuElem(_("Select"), mem_fun(*this, &RouteTimeAxisView::show_playlist_selector)));
1151
1152 }
1153
1154 void
1155 RouteTimeAxisView::show_playlist_selector ()
1156 {
1157         editor.playlist_selector().show_for (this);
1158 }
1159
1160 void
1161 RouteTimeAxisView::map_frozen ()
1162 {
1163         if (!is_track()) {
1164                 return;
1165         }
1166
1167         ENSURE_GUI_THREAD (mem_fun(*this, &RouteTimeAxisView::map_frozen));
1168
1169         switch (track()->freeze_state()) {
1170         case Track::Frozen:
1171                 playlist_button.set_sensitive (false);
1172                 rec_enable_button->set_sensitive (false);
1173                 break;
1174         default:
1175                 playlist_button.set_sensitive (true);
1176                 rec_enable_button->set_sensitive (true);
1177                 break;
1178         }
1179 }
1180
1181 void
1182 RouteTimeAxisView::color_handler (ColorID id, uint32_t val)
1183 {
1184         switch (id) {
1185         case cTimeStretchOutline:
1186                 timestretch_rect->property_outline_color_rgba() = val;
1187                 break;
1188         case cTimeStretchFill:
1189                 timestretch_rect->property_fill_color_rgba() = val;
1190                 break;
1191         default:
1192                 break;
1193         }
1194 }
1195
1196 bool
1197 RouteTimeAxisView::select_me (GdkEventButton* ev)
1198 {
1199         editor.get_selection().add (this);
1200         return false;
1201 }
1202
1203 void
1204 RouteTimeAxisView::show_all_automation ()
1205 {
1206         no_redraw = true;
1207
1208         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1209                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1210                         if ((*ii)->view == 0) {
1211                                 add_redirect_automation_curve ((*i)->redirect, (*ii)->what);
1212                         }
1213
1214                         (*ii)->menu_item->set_active (true);
1215                 }
1216         }
1217
1218         no_redraw = false;
1219
1220          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1221 }
1222
1223 void
1224 RouteTimeAxisView::show_existing_automation ()
1225 {
1226         no_redraw = true;
1227
1228         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1229                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1230                         if ((*ii)->view != 0) {
1231                                 (*ii)->menu_item->set_active (true);
1232                         }
1233                 }
1234         }
1235
1236         no_redraw = false;
1237
1238          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1239 }
1240
1241 void
1242 RouteTimeAxisView::hide_all_automation ()
1243 {
1244         no_redraw = true;
1245
1246         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1247                 for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1248                         (*ii)->menu_item->set_active (false);
1249                 }
1250         }
1251
1252         no_redraw = false;
1253          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1254 }
1255
1256
1257 void
1258 RouteTimeAxisView::region_view_added (RegionView* rv)
1259 {
1260         for (vector<TimeAxisView*>::iterator i = children.begin(); i != children.end(); ++i) {
1261                 AutomationTimeAxisView* atv;
1262
1263                 if ((atv = dynamic_cast<AutomationTimeAxisView*> (*i)) != 0) {
1264                         rv->add_ghost (*atv);
1265                 }
1266         }
1267 }
1268
1269 void
1270 RouteTimeAxisView::add_ghost_to_redirect (RegionView* rv, AutomationTimeAxisView* atv)
1271 {
1272         rv->add_ghost (*atv);
1273 }
1274
1275 RouteTimeAxisView::RedirectAutomationInfo::~RedirectAutomationInfo ()
1276 {
1277         for (vector<RedirectAutomationNode*>::iterator i = lines.begin(); i != lines.end(); ++i) {
1278                 delete *i;
1279         }
1280 }
1281
1282
1283 RouteTimeAxisView::RedirectAutomationNode::~RedirectAutomationNode ()
1284 {
1285         parent.remove_ran (this);
1286
1287         if (view) {
1288                 delete view;
1289         }
1290 }
1291
1292 void
1293 RouteTimeAxisView::remove_ran (RedirectAutomationNode* ran)
1294 {
1295         if (ran->view) {
1296                 remove_child (ran->view);
1297         }
1298 }
1299
1300 RouteTimeAxisView::RedirectAutomationNode*
1301 RouteTimeAxisView::find_redirect_automation_node (boost::shared_ptr<Redirect> redirect, uint32_t what)
1302 {
1303         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1304
1305                 if ((*i)->redirect == redirect) {
1306
1307                         for (vector<RedirectAutomationNode*>::iterator ii = (*i)->lines.begin(); ii != (*i)->lines.end(); ++ii) {
1308                                 if ((*ii)->what == what) {
1309                                         return *ii;
1310                                 }
1311                         }
1312                 }
1313         }
1314
1315         return 0;
1316 }
1317
1318 // FIXME: duplicated in midi_time_axis.cc
1319 static string
1320 legalize_for_xml_node (string str)
1321 {
1322         string::size_type pos;
1323         string legal_chars = "abcdefghijklmnopqrtsuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_+=:";
1324         string legal;
1325
1326         legal = str;
1327         pos = 0;
1328
1329         while ((pos = legal.find_first_not_of (legal_chars, pos)) != string::npos) {
1330                 legal.replace (pos, 1, "_");
1331                 pos += 1;
1332         }
1333
1334         return legal;
1335 }
1336
1337
1338 void
1339 RouteTimeAxisView::add_redirect_automation_curve (boost::shared_ptr<Redirect> redirect, uint32_t what)
1340 {
1341         RedirectAutomationLine* ral;
1342         string name;
1343         RedirectAutomationNode* ran;
1344
1345         if ((ran = find_redirect_automation_node (redirect, what)) == 0) {
1346                 fatal << _("programming error: ")
1347                       << string_compose (X_("redirect automation curve for %1:%2 not registered with audio track!"),
1348                                   redirect->name(), what)
1349                       << endmsg;
1350                 /*NOTREACHED*/
1351                 return;
1352         }
1353
1354         if (ran->view) {
1355                 return;
1356         }
1357
1358         name = redirect->describe_parameter (what);
1359
1360         /* create a string that is a legal XML node name that can be used to refer to this redirect+port combination */
1361
1362         char state_name[256];
1363         snprintf (state_name, sizeof (state_name), "Redirect-%s-%" PRIu32, legalize_for_xml_node (redirect->name()).c_str(), what);
1364
1365         ran->view = new RedirectAutomationTimeAxisView (_session, _route, editor, *this, parent_canvas, name, what, *redirect, state_name);
1366
1367         ral = new RedirectAutomationLine (name,
1368                                           *redirect, what, _session, *ran->view,
1369                                           *ran->view->canvas_display, redirect->automation_list (what));
1370
1371         ral->set_line_color (color_map[cRedirectAutomationLine]);
1372         ral->queue_reset ();
1373
1374         ran->view->add_line (*ral);
1375
1376         ran->view->Hiding.connect (bind (mem_fun(*this, &RouteTimeAxisView::redirect_automation_track_hidden), ran, redirect));
1377
1378         if (!ran->view->marked_for_display()) {
1379                 ran->view->hide ();
1380         } else {
1381                 ran->menu_item->set_active (true);
1382         }
1383
1384         add_child (ran->view);
1385
1386         _view->foreach_regionview (bind (mem_fun(*this, &RouteTimeAxisView::add_ghost_to_redirect), ran->view));
1387
1388         redirect->mark_automation_visible (what, true);
1389 }
1390
1391 void
1392 RouteTimeAxisView::redirect_automation_track_hidden (RouteTimeAxisView::RedirectAutomationNode* ran, boost::shared_ptr<Redirect> r)
1393 {
1394         if (!_hidden) {
1395                 ran->menu_item->set_active (false);
1396         }
1397
1398         r->mark_automation_visible (ran->what, false);
1399
1400          _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1401 }
1402
1403 void
1404 RouteTimeAxisView::add_existing_redirect_automation_curves (boost::shared_ptr<Redirect> redirect)
1405 {
1406         set<uint32_t> s;
1407         RedirectAutomationLine *ral;
1408
1409         redirect->what_has_visible_automation (s);
1410
1411         for (set<uint32_t>::iterator i = s.begin(); i != s.end(); ++i) {
1412
1413                 if ((ral = find_redirect_automation_curve (redirect, *i)) != 0) {
1414                         ral->queue_reset ();
1415                 } else {
1416                         add_redirect_automation_curve (redirect, (*i));
1417                 }
1418         }
1419 }
1420
1421 void
1422 RouteTimeAxisView::add_redirect_to_subplugin_menu (boost::shared_ptr<Redirect> r)
1423 {
1424         using namespace Menu_Helpers;
1425         RedirectAutomationInfo *rai;
1426         list<RedirectAutomationInfo*>::iterator x;
1427
1428         const std::set<uint32_t>& automatable = r->what_can_be_automated ();
1429         std::set<uint32_t> has_visible_automation;
1430
1431         r->what_has_visible_automation(has_visible_automation);
1432
1433         if (automatable.empty()) {
1434                 return;
1435         }
1436
1437         for (x = redirect_automation.begin(); x != redirect_automation.end(); ++x) {
1438                 if ((*x)->redirect == r) {
1439                         break;
1440                 }
1441         }
1442
1443         if (x == redirect_automation.end()) {
1444
1445                 rai = new RedirectAutomationInfo (r);
1446                 redirect_automation.push_back (rai);
1447
1448         } else {
1449
1450                 rai = *x;
1451
1452         }
1453
1454         /* any older menu was deleted at the top of redirects_changed()
1455            when we cleared the subplugin menu.
1456         */
1457
1458         rai->menu = manage (new Menu);
1459         MenuList& items = rai->menu->items();
1460         rai->menu->set_name ("ArdourContextMenu");
1461
1462         items.clear ();
1463
1464         for (std::set<uint32_t>::const_iterator i = automatable.begin(); i != automatable.end(); ++i) {
1465
1466                 RedirectAutomationNode* ran;
1467                 CheckMenuItem* mitem;
1468
1469                 string name = r->describe_parameter (*i);
1470
1471                 items.push_back (CheckMenuElem (name));
1472                 mitem = dynamic_cast<CheckMenuItem*> (&items.back());
1473
1474                 if (has_visible_automation.find((*i)) != has_visible_automation.end()) {
1475                         mitem->set_active(true);
1476                 }
1477
1478                 if ((ran = find_redirect_automation_node (r, *i)) == 0) {
1479
1480                         /* new item */
1481
1482                         ran = new RedirectAutomationNode (*i, mitem, *this);
1483
1484                         rai->lines.push_back (ran);
1485
1486                 } else {
1487
1488                         ran->menu_item = mitem;
1489
1490                 }
1491
1492                 mitem->signal_toggled().connect (bind (mem_fun(*this, &RouteTimeAxisView::redirect_menu_item_toggled), rai, ran));
1493         }
1494
1495         /* add the menu for this redirect, because the subplugin
1496            menu is always cleared at the top of redirects_changed().
1497            this is the result of some poor design in gtkmm and/or
1498            GTK+.
1499         */
1500
1501         subplugin_menu.items().push_back (MenuElem (r->name(), *rai->menu));
1502         rai->valid = true;
1503 }
1504
1505 void
1506 RouteTimeAxisView::redirect_menu_item_toggled (RouteTimeAxisView::RedirectAutomationInfo* rai,
1507                                                RouteTimeAxisView::RedirectAutomationNode* ran)
1508 {
1509         bool showit = ran->menu_item->get_active();
1510         bool redraw = false;
1511
1512         if (ran->view == 0 && showit) {
1513                 add_redirect_automation_curve (rai->redirect, ran->what);
1514                 redraw = true;
1515         }
1516
1517         if (showit != ran->view->marked_for_display()) {
1518
1519                 if (showit) {
1520                         ran->view->set_marked_for_display (true);
1521                         ran->view->canvas_display->show();
1522                 } else {
1523                         rai->redirect->mark_automation_visible (ran->what, true);
1524                         ran->view->set_marked_for_display (false);
1525                         ran->view->hide ();
1526                 }
1527
1528                 redraw = true;
1529
1530         }
1531
1532         if (redraw && !no_redraw) {
1533
1534                 /* now trigger a redisplay */
1535
1536                  _route->gui_changed ("track_height", (void *) 0); /* EMIT_SIGNAL */
1537
1538         }
1539 }
1540
1541 void
1542 RouteTimeAxisView::redirects_changed (void *src)
1543 {
1544         using namespace Menu_Helpers;
1545
1546         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ++i) {
1547                 (*i)->valid = false;
1548         }
1549
1550         subplugin_menu.items().clear ();
1551
1552         _route->foreach_redirect (this, &RouteTimeAxisView::add_redirect_to_subplugin_menu);
1553         _route->foreach_redirect (this, &RouteTimeAxisView::add_existing_redirect_automation_curves);
1554
1555         for (list<RedirectAutomationInfo*>::iterator i = redirect_automation.begin(); i != redirect_automation.end(); ) {
1556
1557                 list<RedirectAutomationInfo*>::iterator tmp;
1558
1559                 tmp = i;
1560                 ++tmp;
1561
1562                 if (!(*i)->valid) {
1563
1564                         delete *i;
1565                         redirect_automation.erase (i);
1566
1567                 }
1568
1569                 i = tmp;
1570         }
1571
1572         /* change in visibility was possible */
1573
1574         _route->gui_changed ("track_height", this);
1575 }
1576
1577 RedirectAutomationLine *
1578 RouteTimeAxisView::find_redirect_automation_curve (boost::shared_ptr<Redirect> redirect, uint32_t what)
1579 {
1580         RedirectAutomationNode* ran;
1581
1582         if ((ran = find_redirect_automation_node (redirect, what)) != 0) {
1583                 if (ran->view) {
1584                         return dynamic_cast<RedirectAutomationLine*> (ran->view->lines.front());
1585                 }
1586         }
1587
1588         return 0;
1589 }
1590
1591 void
1592 RouteTimeAxisView::reset_redirect_automation_curves ()
1593 {
1594         for (vector<RedirectAutomationLine*>::iterator i = redirect_automation_curves.begin(); i != redirect_automation_curves.end(); ++i) {
1595                 (*i)->reset();
1596         }
1597 }
1598