gtk2_ardour/panner_ui.cc

   1 /*
   2   Copyright (C) 2004 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 <limits.h>
  20
  21 #include <ardour/io.h>
  22 #include <ardour/dB.h>
  23 #include <gtkmm2ext/utils.h>
  24 #include <gtkmm2ext/stop_signal.h>
  25 #include <gtkmm2ext/barcontroller.h>
  26 #include <midi++/manager.h>
  27 #include <pbd/fastlog.h>
  28
  29 #include "ardour_ui.h"
  30 #include "panner_ui.h"
  31 #include "panner2d.h"
  32 #include "utils.h"
  33 #include "panner.h"
  34 #include "gui_thread.h"
  35
  36 #include <ardour/session.h>
  37 #include <ardour/panner.h>
  38 #include <ardour/route.h>
  39
  40 #include "i18n.h"
  41
  42 using namespace ARDOUR;
  43 using namespace PBD;
  44 using namespace Gtkmm2ext;
  45 using namespace Gtk;
  46 using namespace sigc;
  47
  48 const int PannerUI::pan_bar_height = 30;
  49
  50 PannerUI::PannerUI (Session& s)
  51         : _session (s),
  52           hAdjustment(0.0, 0.0, 0.0),
  53           vAdjustment(0.0, 0.0, 0.0),
  54           panning_viewport(hAdjustment, vAdjustment),
  55           panning_up_arrow (Gtk::ARROW_UP, Gtk::SHADOW_OUT),
  56           panning_down_arrow (Gtk::ARROW_DOWN, Gtk::SHADOW_OUT),
  57           panning_link_button (_("link")),
  58           pan_automation_style_button (""),
  59           pan_automation_state_button ("")
  60 {
  61         ignore_toggle = false;
  62         pan_menu = 0;
  63         pan_astate_menu = 0;
  64         pan_astyle_menu = 0;
  65         in_pan_update = false;
  66
  67         pan_automation_style_button.set_name ("MixerAutomationModeButton");
  68         pan_automation_state_button.set_name ("MixerAutomationPlaybackButton");
  69
  70         ARDOUR_UI::instance()->tooltips().set_tip (pan_automation_state_button, _("Pan automation mode"));
  71         ARDOUR_UI::instance()->tooltips().set_tip (pan_automation_style_button, _("Pan automation type"));
  72
  73         //set_size_request_to_display_given_text (pan_automation_state_button, X_("O"), 2, 2);
  74         //set_size_request_to_display_given_text (pan_automation_style_button, X_("0"), 2, 2);
  75
  76         pan_bar_packer.set_size_request (-1, 61);
  77         panning_viewport.set_size_request (-1, 61);
  78         panning_viewport.set_name (X_("BaseFrame"));
  79
  80         ARDOUR_UI::instance()->tooltips().set_tip (panning_link_button,
  81                                                    _("panning link control"));
  82         ARDOUR_UI::instance()->tooltips().set_tip (panning_link_direction_button,
  83                                                    _("panning link direction"));
  84
  85         pan_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
  86         pan_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
  87
  88         pan_automation_style_button.signal_button_press_event().connect (mem_fun(*this, &PannerUI::pan_automation_style_button_event), false);
  89         pan_automation_state_button.signal_button_press_event().connect (mem_fun(*this, &PannerUI::pan_automation_state_button_event), false);
  90
  91         panning_link_button.set_name (X_("PanningLinkButton"));
  92         panning_link_direction_button.set_name (X_("PanningLinkDirectionButton"));
  93
  94         panning_link_box.pack_start (panning_link_button, true, true);
  95         panning_link_box.pack_start (panning_link_direction_button, true, true);
  96         panning_link_box.pack_start (pan_automation_state_button, true, true);
  97
  98         /* the pixmap will be reset at some point, but the key thing is that
  99            we need a pixmap in the button just to get started.
 100         */
 101         panning_link_direction_button.add (*(manage (new Image (get_xpm("forwardblarrow.xpm")))));
 102
 103         panning_link_direction_button.signal_clicked().connect
 104                 (mem_fun(*this, &PannerUI::panning_link_direction_clicked));
 105
 106         panning_link_button.signal_button_press_event().connect
 107                 (mem_fun(*this, &PannerUI::panning_link_button_press), false);
 108         panning_link_button.signal_button_release_event().connect
 109                 (mem_fun(*this, &PannerUI::panning_link_button_release), false);
 110
 111         panning_up.set_border_width (3);
 112         panning_down.set_border_width (3);
 113         panning_up.add (panning_up_arrow);
 114         panning_down.add (panning_down_arrow);
 115         panning_up.set_name (X_("PanScrollerBase"));
 116         panning_down.set_name (X_("PanScrollerBase"));
 117         panning_up_arrow.set_name (X_("PanScrollerArrow"));
 118         panning_down_arrow.set_name (X_("PanScrollerArrow"));
 119
 120         pan_vbox.set_spacing (2);
 121         pan_vbox.pack_start (panning_viewport, Gtk::PACK_SHRINK);
 122         pan_vbox.pack_start (panning_link_box, Gtk::PACK_SHRINK);
 123
 124         pack_start (pan_vbox, true, true);
 125
 126         panner = 0;
 127
 128         set_width(Narrow);
 129 }
 130
 131 void
 132 PannerUI::set_io (boost::shared_ptr<IO> io)
 133 {
 134         connections.clear ();
 135
 136         if (pan_astyle_menu) {
 137                 delete pan_astyle_menu;
 138                 pan_astyle_menu = 0;
 139         }
 140
 141         if (pan_astate_menu) {
 142                 delete pan_astate_menu;
 143                 pan_astate_menu = 0;
 144         }
 145
 146         _io = io;
 147
 148         connections.push_back (_io->panner().Changed.connect (mem_fun(*this, &PannerUI::panner_changed)));
 149         connections.push_back (_io->panner().LinkStateChanged.connect (mem_fun(*this, &PannerUI::update_pan_linkage)));
 150         connections.push_back (_io->panner().StateChanged.connect (mem_fun(*this, &PannerUI::update_pan_state)));
 151
 152         if (panner) {
 153                 delete panner;
 154                 panner = 0;
 155         }
 156
 157
 158         pan_changed (0);
 159         update_pan_sensitive ();
 160         update_pan_linkage ();
 161         pan_automation_state_changed ();
 162
 163 #if WHERE_DOES_THIS_LIVE
 164         pan_bar_packer.show();
 165         panning_viewport.show();
 166         panning_up.show();
 167         panning_up_arrow.show();
 168         panning_down.show();
 169         panning_down_arrow.show();
 170         pan_vbox.show();
 171         panning_link_button.show();
 172         panning_link_direction_button.show();
 173         panning_link_box.show();
 174         pan_automation_style_button.show();
 175         pan_automation_state_button.show();
 176         show();
 177 #endif
 178 }
 179
 180 void
 181 PannerUI::build_astate_menu ()
 182 {
 183         using namespace Menu_Helpers;
 184
 185         if (pan_astate_menu == 0) {
 186                 pan_astate_menu = new Menu;
 187                 pan_astate_menu->set_name ("ArdourContextMenu");
 188         } else {
 189                 pan_astate_menu->items().clear ();
 190         }
 191
 192         pan_astate_menu->items().push_back (MenuElem (_("Manual"),
 193                                                      bind (mem_fun (_io->panner(), &Panner::set_automation_state), (AutoState) Off)));
 194         pan_astate_menu->items().push_back (MenuElem (_("Play"),
 195                                                      bind (mem_fun (_io->panner(), &Panner::set_automation_state), (AutoState) Play)));
 196         pan_astate_menu->items().push_back (MenuElem (_("Write"),
 197                                                      bind (mem_fun (_io->panner(), &Panner::set_automation_state), (AutoState) Write)));
 198         pan_astate_menu->items().push_back (MenuElem (_("Touch"),
 199                                                      bind (mem_fun (_io->panner(), &Panner::set_automation_state), (AutoState) Touch)));
 200
 201 }
 202
 203 void
 204 PannerUI::build_astyle_menu ()
 205 {
 206         using namespace Menu_Helpers;
 207
 208         if (pan_astyle_menu == 0) {
 209                 pan_astyle_menu = new Menu;
 210                 pan_astyle_menu->set_name ("ArdourContextMenu");
 211         } else {
 212                 pan_astyle_menu->items().clear();
 213         }
 214
 215         pan_astyle_menu->items().push_back (MenuElem (_("Trim")));
 216         pan_astyle_menu->items().push_back (MenuElem (_("Abs")));
 217 }
 218
 219 boost::shared_ptr<PBD::Controllable>
 220 PannerUI::get_controllable()
 221 {
 222         return pan_bars[0]->get_controllable();
 223 }
 224
 225 bool
 226 PannerUI::panning_link_button_press (GdkEventButton* ev)
 227 {
 228         cerr << "link press\n";
 229         return true;
 230 }
 231
 232 bool
 233 PannerUI::panning_link_button_release (GdkEventButton* ev)
 234 {
 235         cerr << "link release\n";
 236         if (!ignore_toggle) {
 237                 _io->panner().set_linked (!_io->panner().linked());
 238         }
 239         return true;
 240 }
 241
 242 void
 243 PannerUI::panning_link_direction_clicked()
 244 {
 245         switch (_io->panner().link_direction()) {
 246         case Panner::SameDirection:
 247                 _io->panner().set_link_direction (Panner::OppositeDirection);
 248                 break;
 249         default:
 250                 _io->panner().set_link_direction (Panner::SameDirection);
 251                 break;
 252         }
 253 }
 254
 255 void
 256 PannerUI::update_pan_linkage ()
 257 {
 258         ENSURE_GUI_THREAD(mem_fun(*this, &PannerUI::update_pan_linkage));
 259
 260         bool x = _io->panner().linked();
 261         bool bx = panning_link_button.get_active();
 262
 263         if (x != bx) {
 264
 265                 ignore_toggle = true;
 266                 panning_link_button.set_active (x);
 267                 ignore_toggle = false;
 268         }
 269
 270         panning_link_direction_button.set_sensitive (x);
 271
 272         switch (_io->panner().link_direction()) {
 273         case Panner::SameDirection:
 274                 panning_link_direction_button.set_image (*(manage (new Image (get_xpm ("forwardblarrow.xpm")))));
 275                 break;
 276         default:
 277                 panning_link_direction_button.set_image (*(manage (new Image (get_xpm("revdblarrow.xpm")))));
 278                 break;
 279         }
 280 }
 281
 282 void
 283 PannerUI::set_width (Width w)
 284 {
 285         switch (w) {
 286         case Wide:
 287                 panning_link_button.set_label (_("link"));
 288                 break;
 289         case Narrow:
 290                 panning_link_button.set_label (_("L"));
 291                 break;
 292         }
 293
 294         _width = w;
 295 }
 296
 297
 298 PannerUI::~PannerUI ()
 299 {
 300         for (vector<Adjustment*>::iterator i = pan_adjustments.begin(); i != pan_adjustments.end(); ++i) {
 301                 delete (*i);
 302         }
 303
 304         for (vector<PannerBar*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
 305                 delete (*i);
 306         }
 307
 308         if (panner) {
 309                 delete panner;
 310         }
 311
 312         if (pan_menu) {
 313                 delete pan_menu;
 314         }
 315
 316         if (pan_astyle_menu) {
 317                 delete pan_astyle_menu;
 318         }
 319
 320         if (pan_astate_menu) {
 321                 delete pan_astate_menu;
 322         }
 323 }
 324
 325
 326 void
 327 PannerUI::panner_changed ()
 328 {
 329         ENSURE_GUI_THREAD (mem_fun(*this, &PannerUI::panner_changed));
 330         setup_pan ();
 331 }
 332
 333 void
 334 PannerUI::update_pan_state ()
 335 {
 336         /* currently nothing to do */
 337         // ENSURE_GUI_THREAD (mem_fun(*this, &PannerUI::update_panner_state));
 338 }
 339
 340 void
 341 PannerUI::setup_pan ()
 342 {
 343         uint32_t nouts = _io->n_outputs ().n_audio();
 344
 345         if (nouts == 0 || nouts == 1) {
 346
 347                 while (!pan_adjustments.empty()) {
 348                         delete pan_bars.back();
 349                         pan_bars.pop_back ();
 350                         delete pan_adjustments.back();
 351                         pan_adjustments.pop_back ();
 352                 }
 353
 354                 /* stick something into the panning viewport so that it redraws */
 355
 356                 EventBox* eb = manage (new EventBox());
 357                 panning_viewport.remove ();
 358                 panning_viewport.add (*eb);
 359                 panning_viewport.show_all ();
 360
 361         } else if (nouts == 2) {
 362
 363                 vector<Adjustment*>::size_type asz;
 364                 uint32_t npans = _io->panner().npanners();
 365
 366                 while (!pan_adjustments.empty()) {
 367                         delete pan_bars.back();
 368                         pan_bars.pop_back ();
 369                         delete pan_adjustments.back();
 370                         pan_adjustments.pop_back ();
 371                 }
 372
 373                 while ((asz = pan_adjustments.size()) < npans) {
 374
 375                         float x, rx;
 376                         PannerBar* bc;
 377
 378                         /* initialize adjustment with 0.0 (L) or 1.0 (R) for the first and second panners,
 379                            which serves as a default, otherwise use current value */
 380
 381                         rx = _io->panner().pan_control( asz)->get_value();
 382
 383                         if (npans == 1) {
 384                                 x = 0.5;
 385                         } else if (asz == 0) {
 386                                 x = 0.0;
 387                         } else if (asz == 1) {
 388                                 x = 1.0;
 389                         } else {
 390                                 x = rx;
 391                         }
 392
 393                         pan_adjustments.push_back (new Adjustment (x, 0, 1.0, 0.05, 0.1));
 394                         bc = new PannerBar (*pan_adjustments[asz],
 395                                 boost::static_pointer_cast<PBD::Controllable>( _io->panner().pan_control( asz )) );
 396
 397                         /* now set adjustment with current value of panner, then connect the signals */
 398                         pan_adjustments.back()->set_value(rx);
 399                         pan_adjustments.back()->signal_value_changed().connect (bind (mem_fun(*this, &PannerUI::pan_adjustment_changed), (uint32_t) asz));
 400
 401                         _io->panner().pan_control( asz )->Changed.connect (bind (mem_fun(*this, &PannerUI::pan_value_changed), (uint32_t) asz));
 402
 403
 404                         bc->set_name ("PanSlider");
 405                         bc->set_shadow_type (Gtk::SHADOW_NONE);
 406
 407                         bc->StartGesture.connect (bind (mem_fun (*_io, &IO::start_pan_touch), (uint32_t) asz));
 408                         bc->StopGesture.connect (bind (mem_fun (*_io, &IO::end_pan_touch), (uint32_t) asz));
 409
 410                         char buf[64];
 411                         snprintf (buf, sizeof (buf), _("panner for channel %zu"), asz + 1);
 412                         ARDOUR_UI::instance()->tooltips().set_tip (bc->event_widget(), buf);
 413
 414                         bc->event_widget().signal_button_release_event().connect
 415                                 (bind (mem_fun(*this, &PannerUI::pan_button_event), (uint32_t) asz));
 416
 417                         bc->set_size_request (-1, pan_bar_height);
 418
 419                         pan_bars.push_back (bc);
 420                         pan_bar_packer.pack_start (*bc, false, false);
 421                 }
 422
 423                 /* now that we actually have the pan bars,
 424                    set their sensitivity based on current
 425                    automation state.
 426                 */
 427
 428                 update_pan_sensitive ();
 429
 430                 panning_viewport.remove ();
 431                 panning_viewport.add (pan_bar_packer);
 432                 panning_viewport.show_all ();
 433
 434         } else {
 435
 436                 if (panner == 0) {
 437                         panner = new Panner2d (_io->panner(), 61);
 438                         panner->set_name ("MixerPanZone");
 439                         panner->show ();
 440                 }
 441
 442                 update_pan_sensitive ();
 443                 panner->reset (_io->n_inputs().n_audio());
 444                 panner->set_size_request (-1, 61);
 445
 446                 /* and finally, add it to the panner frame */
 447
 448                 panning_viewport.remove ();
 449                 panning_viewport.add (*panner);
 450                 panning_viewport.show_all ();
 451         }
 452 }
 453
 454 bool
 455 PannerUI::pan_button_event (GdkEventButton* ev, uint32_t which)
 456 {
 457         switch (ev->button) {
 458         case 3:
 459                 if (pan_menu == 0) {
 460                         pan_menu = manage (new Menu);
 461                         pan_menu->set_name ("ArdourContextMenu");
 462                 }
 463                 build_pan_menu (which);
 464                 pan_menu->popup (1, ev->time);
 465                 return true;
 466                 break;
 467         default:
 468                 return false;
 469         }
 470
 471         return false; // what's wrong with gcc?
 472 }
 473
 474 void
 475 PannerUI::build_pan_menu (uint32_t which)
 476 {
 477         using namespace Menu_Helpers;
 478         MenuList& items (pan_menu->items());
 479
 480         items.clear ();
 481
 482         items.push_back (CheckMenuElem (_("Mute")));
 483
 484         /* set state first, connect second */
 485
 486         (dynamic_cast<CheckMenuItem*> (&items.back()))->set_active (_io->panner().streampanner(which).muted());
 487         (dynamic_cast<CheckMenuItem*> (&items.back()))->signal_toggled().connect
 488                 (bind (mem_fun(*this, &PannerUI::pan_mute), which));
 489
 490         items.push_back (CheckMenuElem (_("Bypass"), mem_fun(*this, &PannerUI::pan_bypass_toggle)));
 491         bypass_menu_item = static_cast<CheckMenuItem*> (&items.back());
 492
 493         /* set state first, connect second */
 494
 495         bypass_menu_item->set_active (_io->panner().bypassed());
 496         bypass_menu_item->signal_toggled().connect (mem_fun(*this, &PannerUI::pan_bypass_toggle));
 497
 498         items.push_back (MenuElem (_("Reset"), mem_fun(*this, &PannerUI::pan_reset)));
 499         items.push_back (SeparatorElem());
 500         items.push_back (MenuElem (_("Reset all")));
 501 }
 502
 503 void
 504 PannerUI::pan_mute (uint32_t which)
 505 {
 506         StreamPanner& sp = _io->panner().streampanner(which);
 507         sp.set_muted (!sp.muted());
 508 }
 509
 510 void
 511 PannerUI::pan_bypass_toggle ()
 512 {
 513         if (bypass_menu_item && (_io->panner().bypassed() != bypass_menu_item->get_active())) {
 514                 _io->panner().set_bypassed (!_io->panner().bypassed());
 515         }
 516 }
 517
 518 void
 519 PannerUI::pan_reset ()
 520 {
 521 }
 522
 523 void
 524 PannerUI::effective_pan_display ()
 525 {
 526         if (_io->panner().empty()) {
 527                 return;
 528         }
 529
 530         switch (_io->n_outputs().n_audio()) {
 531         case 0:
 532         case 1:
 533                 /* relax */
 534                 break;
 535
 536         case 2:
 537                 update_pan_bars (true);
 538                 break;
 539
 540         default:
 541                 //panner->move_puck (pan_value (v, right), 0.5);
 542                 break;
 543         }
 544 }
 545
 546 void
 547 PannerUI::pan_changed (void *src)
 548 {
 549         if (src == this) {
 550                 return;
 551         }
 552
 553         switch (_io->panner().npanners()) {
 554         case 0:
 555                 panning_link_direction_button.set_sensitive (false);
 556                 panning_link_button.set_sensitive (false);
 557                 return;
 558         case 1:
 559                 panning_link_direction_button.set_sensitive (false);
 560                 panning_link_button.set_sensitive (false);
 561                 break;
 562         default:
 563                 panning_link_direction_button.set_sensitive (true);
 564                 panning_link_button.set_sensitive (true);
 565         }
 566
 567         uint32_t nouts = _io->n_outputs().n_audio();
 568
 569         switch (nouts) {
 570         case 0:
 571         case 1:
 572                 /* relax */
 573                 break;
 574
 575         case 2:
 576                 update_pan_bars (false);
 577                 break;
 578
 579         default:
 580                 // panner->move_puck (pan_value (pans[0], pans[1]), 0.5);
 581                 break;
 582         }
 583 }
 584
 585 void
 586 PannerUI::pan_adjustment_changed (uint32_t which)
 587 {
 588         if (!in_pan_update && which < _io->panner().npanners()) {
 589
 590                 float xpos;
 591                 float val = pan_adjustments[which]->get_value ();
 592                 xpos = _io->panner().pan_control( which )->get_value();
 593
 594                 /* add a kinda-sorta detent for the middle */
 595
 596                 if (val != 0.5 && Panner::equivalent (val, 0.5)) {
 597                         /* this is going to be reentrant, so just
 598                            return after it.
 599                         */
 600
 601                         in_pan_update = true;
 602                         pan_adjustments[which]->set_value (0.5);
 603                         in_pan_update = false;
 604                         return;
 605                 }
 606
 607                 if (!Panner::equivalent (val, xpos)) {
 608
 609                         _io->panner().streampanner(which).set_position (val);
 610                         /* XXX
 611                            the panner objects have no access to the session,
 612                            so do this here. ick.
 613                         */
 614                         _session.set_dirty();
 615                 }
 616         }
 617 }
 618
 619 void
 620 PannerUI::pan_value_changed (uint32_t which)
 621 {
 622         ENSURE_GUI_THREAD (bind (mem_fun(*this, &PannerUI::pan_value_changed), which));
 623
 624         if (_io->n_outputs().n_audio() > 1 && which < _io->panner().npanners()) {
 625                 float xpos;
 626                 float val = pan_adjustments[which]->get_value ();
 627
 628                 _io->panner().streampanner(which).get_position (xpos);
 629
 630                 if (!Panner::equivalent (val, xpos)) {
 631                         in_pan_update = true;
 632                         pan_adjustments[which]->set_value (xpos);
 633                         in_pan_update = false;
 634                 }
 635         }
 636 }
 637
 638 void
 639 PannerUI::update_pan_bars (bool only_if_aplay)
 640 {
 641         uint32_t n;
 642         vector<Adjustment*>::iterator i;
 643
 644         in_pan_update = true;
 645
 646         /* this runs during automation playback, and moves the bar controllers
 647            and/or pucks around.
 648         */
 649
 650         for (i = pan_adjustments.begin(), n = 0; i != pan_adjustments.end(); ++i, ++n) {
 651                 float xpos, val;
 652
 653                 if (only_if_aplay) {
 654                         boost::shared_ptr<AutomationList> alist (_io->panner().streampanner(n).pan_control()->alist());
 655
 656                         if (!alist->automation_playback()) {
 657                                 continue;
 658                         }
 659                 }
 660
 661                 _io->panner().streampanner(n).get_effective_position (xpos);
 662                 val = (*i)->get_value ();
 663
 664                 if (!Panner::equivalent (val, xpos)) {
 665                         (*i)->set_value (xpos);
 666                 }
 667         }
 668
 669         in_pan_update = false;
 670 }
 671
 672 void
 673 PannerUI::pan_printer (char *buf, uint32_t len, Adjustment* adj)
 674 {
 675         float val = adj->get_value();
 676
 677         if (val == 0.0f) {
 678                 snprintf (buf, len, X_("L"));
 679         } else if (val == 1.0f) {
 680                 snprintf (buf, len, X_("R"));
 681         } else if (Panner::equivalent (val, 0.5f)) {
 682                 snprintf (buf, len, X_("C"));
 683         } else {
 684                 /* don't print anything */
 685                 buf[0] = '\0';
 686         }
 687 }
 688
 689 void
 690 PannerUI::update_pan_sensitive ()
 691 {
 692         bool sensitive = !(_io->panner().automation_state() & Play);
 693
 694         switch (_io->n_outputs().n_audio()) {
 695         case 0:
 696         case 1:
 697                 break;
 698         case 2:
 699                 for (vector<PannerBar*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
 700                         (*i)->set_sensitive (sensitive);
 701                 }
 702                 break;
 703         default:
 704                 if (panner) {
 705                         panner->set_sensitive (sensitive);
 706                 }
 707                 break;
 708         }
 709 }
 710
 711 gint
 712 PannerUI::pan_automation_state_button_event (GdkEventButton *ev)
 713 {
 714         using namespace Menu_Helpers;
 715
 716         if (ev->type == GDK_BUTTON_RELEASE) {
 717                 return TRUE;
 718         }
 719
 720         switch (ev->button) {
 721         case 1:
 722                 if (pan_astate_menu == 0) {
 723                         build_astate_menu ();
 724                 }
 725                 pan_astate_menu->popup (1, ev->time);
 726                 break;
 727         default:
 728                 break;
 729         }
 730
 731         return TRUE;
 732 }
 733
 734 gint
 735 PannerUI::pan_automation_style_button_event (GdkEventButton *ev)
 736 {
 737         if (ev->type == GDK_BUTTON_RELEASE) {
 738                 return TRUE;
 739         }
 740
 741         switch (ev->button) {
 742         case 1:
 743                 if (pan_astyle_menu == 0) {
 744                         build_astyle_menu ();
 745                 }
 746                 pan_astyle_menu->popup (1, ev->time);
 747                 break;
 748         default:
 749                 break;
 750         }
 751         return TRUE;
 752 }
 753
 754 void
 755 PannerUI::pan_automation_style_changed ()
 756 {
 757         ENSURE_GUI_THREAD(mem_fun(*this, &PannerUI::pan_automation_style_changed));
 758
 759         switch (_width) {
 760         case Wide:
 761                 pan_automation_style_button.set_label (astyle_string(_io->panner().automation_style()));
 762                 break;
 763         case Narrow:
 764                 pan_automation_style_button.set_label (short_astyle_string(_io->panner().automation_style()));
 765                 break;
 766         }
 767 }
 768
 769 void
 770 PannerUI::pan_automation_state_changed ()
 771 {
 772         ENSURE_GUI_THREAD(mem_fun(*this, &PannerUI::pan_automation_state_changed));
 773
 774         bool x;
 775
 776         switch (_width) {
 777         case Wide:
 778           pan_automation_state_button.set_label (astate_string(_io->panner().automation_state()));
 779                 break;
 780         case Narrow:
 781           pan_automation_state_button.set_label (short_astate_string(_io->panner().automation_state()));
 782                 break;
 783         }
 784
 785         /* when creating a new session, we get to create busses (and
 786            sometimes tracks) with no outputs by the time they get
 787            here.
 788         */
 789
 790         if (_io->panner().empty()) {
 791                 return;
 792         }
 793
 794         x = (_io->panner().streampanner(0).pan_control()->alist()->automation_state() != Off);
 795
 796         if (pan_automation_state_button.get_active() != x) {
 797         ignore_toggle = true;
 798                 pan_automation_state_button.set_active (x);
 799                 ignore_toggle = false;
 800         }
 801
 802         update_pan_sensitive ();
 803
 804         /* start watching automation so that things move */
 805
 806         pan_watching.disconnect();
 807
 808         if (x) {
 809           pan_watching = ARDOUR_UI::RapidScreenUpdate.connect (mem_fun (*this, &PannerUI::effective_pan_display));
 810         }
 811 }
 812
 813 string
 814 PannerUI::astate_string (AutoState state)
 815 {
 816         return _astate_string (state, false);
 817 }
 818
 819 string
 820 PannerUI::short_astate_string (AutoState state)
 821 {
 822         return _astate_string (state, true);
 823 }
 824
 825 string
 826 PannerUI::_astate_string (AutoState state, bool shrt)
 827 {
 828         string sstr;
 829
 830         switch (state) {
 831         case Off:
 832                 sstr = (shrt ? "M" : _("M"));
 833                 break;
 834         case Play:
 835                 sstr = (shrt ? "P" : _("P"));
 836                 break;
 837         case Touch:
 838                 sstr = (shrt ? "T" : _("T"));
 839                 break;
 840         case Write:
 841                 sstr = (shrt ? "W" : _("W"));
 842                 break;
 843         }
 844
 845         return sstr;
 846 }
 847
 848 string
 849 PannerUI::astyle_string (AutoStyle style)
 850 {
 851         return _astyle_string (style, false);
 852 }
 853
 854 string
 855 PannerUI::short_astyle_string (AutoStyle style)
 856 {
 857         return _astyle_string (style, true);
 858 }
 859
 860 string
 861 PannerUI::_astyle_string (AutoStyle style, bool shrt)
 862 {
 863         if (style & Trim) {
 864                 return _("Trim");
 865         } else {
 866                 /* XXX it might different in different languages */
 867
 868                 return (shrt ? _("Abs") : _("Abs"));
 869         }
 870 }