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 #include "pbd/stacktrace.h"
  29
  30 #include "ardour_ui.h"
  31 #include "panner_ui.h"
  32 #include "panner2d.h"
  33 #include "utils.h"
  34 #include "panner.h"
  35 #include "gui_thread.h"
  36
  37 #include "ardour/delivery.h"
  38 #include "ardour/session.h"
  39 #include "ardour/panner.h"
  40 #include "ardour/route.h"
  41
  42 #include "i18n.h"
  43
  44 using namespace std;
  45 using namespace ARDOUR;
  46 using namespace PBD;
  47 using namespace Gtkmm2ext;
  48 using namespace Gtk;
  49 using namespace sigc;
  50
  51 const int PannerUI::pan_bar_height = 30;
  52
  53 PannerUI::PannerUI (Session& s)
  54         : _session (s),
  55           hAdjustment(0.0, 0.0, 0.0),
  56           vAdjustment(0.0, 0.0, 0.0),
  57           panning_viewport(hAdjustment, vAdjustment),
  58           panning_up_arrow (Gtk::ARROW_UP, Gtk::SHADOW_OUT),
  59           panning_down_arrow (Gtk::ARROW_DOWN, Gtk::SHADOW_OUT),
  60           panning_link_button (_("link")),
  61           pan_automation_style_button (""),
  62           pan_automation_state_button ("")
  63 {
  64         ignore_toggle = false;
  65         pan_menu = 0;
  66         pan_astate_menu = 0;
  67         pan_astyle_menu = 0;
  68         in_pan_update = false;
  69
  70         pan_automation_style_button.set_name ("MixerAutomationModeButton");
  71         pan_automation_state_button.set_name ("MixerAutomationPlaybackButton");
  72
  73         ARDOUR_UI::instance()->tooltips().set_tip (pan_automation_state_button, _("Pan automation mode"));
  74         ARDOUR_UI::instance()->tooltips().set_tip (pan_automation_style_button, _("Pan automation type"));
  75
  76         //set_size_request_to_display_given_text (pan_automation_state_button, X_("O"), 2, 2);
  77         //set_size_request_to_display_given_text (pan_automation_style_button, X_("0"), 2, 2);
  78
  79         pan_bar_packer.set_size_request (-1, 61);
  80         panning_viewport.set_size_request (-1, 61);
  81         panning_viewport.set_name (X_("BaseFrame"));
  82
  83         ARDOUR_UI::instance()->tooltips().set_tip (panning_link_button,
  84                                                    _("panning link control"));
  85         ARDOUR_UI::instance()->tooltips().set_tip (panning_link_direction_button,
  86                                                    _("panning link direction"));
  87
  88         pan_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
  89         pan_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
  90
  91         pan_automation_style_button.signal_button_press_event().connect (mem_fun(*this, &PannerUI::pan_automation_style_button_event), false);
  92         pan_automation_state_button.signal_button_press_event().connect (mem_fun(*this, &PannerUI::pan_automation_state_button_event), false);
  93
  94         panning_link_button.set_name (X_("PanningLinkButton"));
  95         panning_link_direction_button.set_name (X_("PanningLinkDirectionButton"));
  96
  97         panning_link_box.pack_start (panning_link_button, true, true);
  98         panning_link_box.pack_start (panning_link_direction_button, true, true);
  99         panning_link_box.pack_start (pan_automation_state_button, true, true);
 100
 101         /* the pixmap will be reset at some point, but the key thing is that
 102            we need a pixmap in the button just to get started.
 103         */
 104         panning_link_direction_button.add (*(manage (new Image (get_xpm("forwardblarrow.xpm")))));
 105
 106         panning_link_direction_button.signal_clicked().connect
 107                 (mem_fun(*this, &PannerUI::panning_link_direction_clicked));
 108
 109         panning_link_button.signal_button_press_event().connect
 110                 (mem_fun(*this, &PannerUI::panning_link_button_press), false);
 111         panning_link_button.signal_button_release_event().connect
 112                 (mem_fun(*this, &PannerUI::panning_link_button_release), false);
 113
 114         panning_up.set_border_width (3);
 115         panning_down.set_border_width (3);
 116         panning_up.add (panning_up_arrow);
 117         panning_down.add (panning_down_arrow);
 118         panning_up.set_name (X_("PanScrollerBase"));
 119         panning_down.set_name (X_("PanScrollerBase"));
 120         panning_up_arrow.set_name (X_("PanScrollerArrow"));
 121         panning_down_arrow.set_name (X_("PanScrollerArrow"));
 122
 123         pan_vbox.set_spacing (2);
 124         pan_vbox.pack_start (panning_viewport, Gtk::PACK_SHRINK);
 125         pan_vbox.pack_start (panning_link_box, Gtk::PACK_SHRINK);
 126
 127         pack_start (pan_vbox, true, true);
 128
 129         panner = 0;
 130         big_window = 0;
 131
 132         set_width(Narrow);
 133 }
 134
 135 void
 136 PannerUI::set_panner (boost::shared_ptr<Panner> p)
 137 {
 138         connections.clear ();
 139
 140         delete pan_astyle_menu;
 141         pan_astyle_menu = 0;
 142
 143         delete pan_astate_menu;
 144         pan_astate_menu = 0;
 145
 146         _panner = p;
 147
 148         delete panner;
 149         panner = 0;
 150
 151         if (!_panner) {
 152                 return;
 153         }
 154
 155         connections.push_back (_panner->Changed.connect (mem_fun(*this, &PannerUI::panner_changed)));
 156         connections.push_back (_panner->LinkStateChanged.connect (mem_fun(*this, &PannerUI::update_pan_linkage)));
 157         connections.push_back (_panner->StateChanged.connect (mem_fun(*this, &PannerUI::update_pan_state)));
 158
 159         setup_pan ();
 160
 161         pan_changed (0);
 162         update_pan_sensitive ();
 163         update_pan_linkage ();
 164         pan_automation_state_changed ();
 165
 166 #if WHERE_DOES_THIS_LIVE
 167         pan_bar_packer.show();
 168         panning_viewport.show();
 169         panning_up.show();
 170         panning_up_arrow.show();
 171         panning_down.show();
 172         panning_down_arrow.show();
 173         pan_vbox.show();
 174         panning_link_button.show();
 175         panning_link_direction_button.show();
 176         panning_link_box.show();
 177         pan_automation_style_button.show();
 178         pan_automation_state_button.show();
 179         show();
 180 #endif
 181 }
 182
 183 void
 184 PannerUI::build_astate_menu ()
 185 {
 186         using namespace Menu_Helpers;
 187
 188         if (pan_astate_menu == 0) {
 189                 pan_astate_menu = new Menu;
 190                 pan_astate_menu->set_name ("ArdourContextMenu");
 191         } else {
 192                 pan_astate_menu->items().clear ();
 193         }
 194
 195         pan_astate_menu->items().push_back (MenuElem (_("Manual"), bind (
 196                         mem_fun (_panner.get(), &Panner::set_automation_state),
 197                         (AutoState) Off)));
 198         pan_astate_menu->items().push_back (MenuElem (_("Play"), bind (
 199                         mem_fun (_panner.get(), &Panner::set_automation_state),
 200                         (AutoState) Play)));
 201         pan_astate_menu->items().push_back (MenuElem (_("Write"), bind (
 202                         mem_fun (_panner.get(), &Panner::set_automation_state),
 203                         (AutoState) Write)));
 204         pan_astate_menu->items().push_back (MenuElem (_("Touch"), bind (
 205                         mem_fun (_panner.get(), &Panner::set_automation_state),
 206                         (AutoState) Touch)));
 207
 208 }
 209
 210 void
 211 PannerUI::build_astyle_menu ()
 212 {
 213         using namespace Menu_Helpers;
 214
 215         if (pan_astyle_menu == 0) {
 216                 pan_astyle_menu = new Menu;
 217                 pan_astyle_menu->set_name ("ArdourContextMenu");
 218         } else {
 219                 pan_astyle_menu->items().clear();
 220         }
 221
 222         pan_astyle_menu->items().push_back (MenuElem (_("Trim")));
 223         pan_astyle_menu->items().push_back (MenuElem (_("Abs")));
 224 }
 225
 226 boost::shared_ptr<PBD::Controllable>
 227 PannerUI::get_controllable()
 228 {
 229         return pan_bars[0]->get_controllable();
 230 }
 231
 232 bool
 233 PannerUI::panning_link_button_press (GdkEventButton* ev)
 234 {
 235         return true;
 236 }
 237
 238 bool
 239 PannerUI::panning_link_button_release (GdkEventButton* ev)
 240 {
 241         if (!ignore_toggle) {
 242                 _panner->set_linked (!_panner->linked());
 243         }
 244         return true;
 245 }
 246
 247 void
 248 PannerUI::panning_link_direction_clicked()
 249 {
 250         switch (_panner->link_direction()) {
 251         case Panner::SameDirection:
 252                 _panner->set_link_direction (Panner::OppositeDirection);
 253                 break;
 254         default:
 255                 _panner->set_link_direction (Panner::SameDirection);
 256                 break;
 257         }
 258 }
 259
 260 void
 261 PannerUI::update_pan_linkage ()
 262 {
 263         ENSURE_GUI_THREAD(mem_fun(*this, &PannerUI::update_pan_linkage));
 264
 265         bool x = _panner->linked();
 266         bool bx = panning_link_button.get_active();
 267
 268         if (x != bx) {
 269
 270                 ignore_toggle = true;
 271                 panning_link_button.set_active (x);
 272                 ignore_toggle = false;
 273         }
 274
 275         panning_link_direction_button.set_sensitive (x);
 276
 277         switch (_panner->link_direction()) {
 278         case Panner::SameDirection:
 279                 panning_link_direction_button.set_image (*(manage (new Image (get_xpm ("forwardblarrow.xpm")))));
 280                 break;
 281         default:
 282                 panning_link_direction_button.set_image (*(manage (new Image (get_xpm("revdblarrow.xpm")))));
 283                 break;
 284         }
 285 }
 286
 287 void
 288 PannerUI::set_width (Width w)
 289 {
 290         switch (w) {
 291         case Wide:
 292                 panning_link_button.set_label (_("link"));
 293                 break;
 294         case Narrow:
 295                 panning_link_button.set_label (_("L"));
 296                 break;
 297         }
 298
 299         _width = w;
 300 }
 301
 302
 303 PannerUI::~PannerUI ()
 304 {
 305         for (vector<Adjustment*>::iterator i = pan_adjustments.begin(); i != pan_adjustments.end(); ++i) {
 306                 delete (*i);
 307         }
 308
 309         for (vector<PannerBar*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
 310                 delete (*i);
 311         }
 312
 313         delete panner;
 314         delete big_window;
 315         delete pan_menu;
 316         delete pan_astyle_menu;
 317         delete pan_astate_menu;
 318 }
 319
 320
 321 void
 322 PannerUI::panner_changed ()
 323 {
 324         ENSURE_GUI_THREAD (mem_fun(*this, &PannerUI::panner_changed));
 325         setup_pan ();
 326         pan_changed (0);
 327 }
 328
 329 void
 330 PannerUI::update_pan_state ()
 331 {
 332         /* currently nothing to do */
 333         // ENSURE_GUI_THREAD (mem_fun(*this, &PannerUI::update_panner_state));
 334 }
 335
 336 void
 337 PannerUI::setup_pan ()
 338 {
 339         cerr << "Setup pan for " << _panner->name() << endl;
 340         // PBD::stacktrace (cerr, 5);
 341
 342         if (!_panner) {
 343                 return;
 344         }
 345
 346         uint32_t nouts = _panner->nouts();
 347
 348         cerr << "\tnouts = " << nouts << endl;
 349
 350         if (nouts == 0 || nouts == 1) {
 351
 352                 while (!pan_adjustments.empty()) {
 353                         delete pan_bars.back();
 354                         pan_bars.pop_back ();
 355                         delete pan_adjustments.back();
 356                         pan_adjustments.pop_back ();
 357                 }
 358
 359                 /* stick something into the panning viewport so that it redraws */
 360
 361                 EventBox* eb = manage (new EventBox());
 362                 panning_viewport.remove ();
 363                 panning_viewport.add (*eb);
 364                 panning_viewport.show_all ();
 365
 366         } else if (nouts == 2) {
 367
 368                 vector<Adjustment*>::size_type asz;
 369                 uint32_t npans = _panner->npanners();
 370
 371                 while (!pan_adjustments.empty()) {
 372                         delete pan_bars.back();
 373                         pan_bars.pop_back ();
 374                         delete pan_adjustments.back();
 375                         pan_adjustments.pop_back ();
 376                 }
 377
 378                 while ((asz = pan_adjustments.size()) < npans) {
 379
 380                         float x, rx;
 381                         PannerBar* bc;
 382
 383                         /* initialize adjustment with 0.0 (L) or 1.0 (R) for the first and second panners,
 384                            which serves as a default, otherwise use current value */
 385
 386                         rx = _panner->pan_control( asz)->get_value();
 387
 388                         if (npans == 1) {
 389                                 x = 0.5;
 390                         } else if (asz == 0) {
 391                                 x = 0.0;
 392                         } else if (asz == 1) {
 393                                 x = 1.0;
 394                         } else {
 395                                 x = rx;
 396                         }
 397
 398                         pan_adjustments.push_back (new Adjustment (x, 0, 1.0, 0.005, 0.05));
 399                         bc = new PannerBar (*pan_adjustments[asz],
 400                                 boost::static_pointer_cast<PBD::Controllable>( _panner->pan_control( asz )) );
 401
 402                         /* now set adjustment with current value of panner, then connect the signals */
 403                         pan_adjustments.back()->set_value(rx);
 404                         pan_adjustments.back()->signal_value_changed().connect (bind (mem_fun(*this, &PannerUI::pan_adjustment_changed), (uint32_t) asz));
 405
 406                         _panner->pan_control( asz )->Changed.connect (bind (mem_fun(*this, &PannerUI::pan_value_changed), (uint32_t) asz));
 407
 408
 409                         bc->set_name ("PanSlider");
 410                         bc->set_shadow_type (Gtk::SHADOW_NONE);
 411
 412                         boost::shared_ptr<AutomationControl> ac = _panner->pan_control (asz);
 413
 414                         if (asz) {
 415                                 bc->StartGesture.connect (mem_fun (*ac, &AutomationControl::start_touch));
 416                                 bc->StopGesture.connect (mem_fun (*ac, &AutomationControl::stop_touch));
 417                         }
 418
 419                         char buf[64];
 420                         snprintf (buf, sizeof (buf), _("panner for channel %zu"), asz + 1);
 421                         ARDOUR_UI::instance()->tooltips().set_tip (bc->event_widget(), buf);
 422
 423                         bc->event_widget().signal_button_release_event().connect
 424                                 (bind (mem_fun(*this, &PannerUI::pan_button_event), (uint32_t) asz));
 425
 426                         bc->set_size_request (-1, pan_bar_height);
 427
 428                         pan_bars.push_back (bc);
 429                         pan_bar_packer.pack_start (*bc, false, false);
 430                 }
 431
 432                 /* now that we actually have the pan bars,
 433                    set their sensitivity based on current
 434                    automation state.
 435                 */
 436
 437                 update_pan_sensitive ();
 438
 439                 panning_viewport.remove ();
 440                 panning_viewport.add (pan_bar_packer);
 441                 panning_viewport.show_all ();
 442
 443         } else {
 444
 445                 if (!panner) {
 446                         panner = new Panner2d (_panner, 61);
 447                         panner->set_name ("MixerPanZone");
 448                         panner->show ();
 449
 450                         panner->signal_button_press_event().connect
 451                                 (bind (mem_fun(*this, &PannerUI::pan_button_event), (uint32_t) 0), false);
 452                 }
 453
 454                 update_pan_sensitive ();
 455                 panner->reset (nouts);
 456                 if (big_window) {
 457                         big_window->reset (_panner->npanners());
 458                 }
 459                 panner->set_size_request (-1, 61);
 460
 461                 /* and finally, add it to the panner frame */
 462
 463                 panning_viewport.remove ();
 464                 panning_viewport.add (*panner);
 465                 panning_viewport.show_all ();
 466         }
 467 }
 468
 469 bool
 470 PannerUI::pan_button_event (GdkEventButton* ev, uint32_t which)
 471 {
 472         switch (ev->button) {
 473         case 1:
 474                 if (panner && ev->type == GDK_2BUTTON_PRESS) {
 475                         if (!big_window) {
 476                                 big_window = new Panner2dWindow (_panner, 400, _panner->npanners());
 477                         }
 478                         big_window->show ();
 479                         return true;
 480                 }
 481                 break;
 482
 483         case 3:
 484                 if (pan_menu == 0) {
 485                         pan_menu = manage (new Menu);
 486                         pan_menu->set_name ("ArdourContextMenu");
 487                 }
 488                 build_pan_menu (which);
 489                 pan_menu->popup (1, ev->time);
 490                 return true;
 491                 break;
 492         default:
 493                 return false;
 494         }
 495
 496         return false; // what's wrong with gcc?
 497 }
 498
 499 void
 500 PannerUI::build_pan_menu (uint32_t which)
 501 {
 502         using namespace Menu_Helpers;
 503         MenuList& items (pan_menu->items());
 504
 505         items.clear ();
 506
 507         items.push_back (CheckMenuElem (_("Mute")));
 508
 509         /* set state first, connect second */
 510
 511         (dynamic_cast<CheckMenuItem*> (&items.back()))->set_active (_panner->streampanner(which).muted());
 512         (dynamic_cast<CheckMenuItem*> (&items.back()))->signal_toggled().connect
 513                 (bind (mem_fun(*this, &PannerUI::pan_mute), which));
 514
 515         items.push_back (CheckMenuElem (_("Bypass"), mem_fun(*this, &PannerUI::pan_bypass_toggle)));
 516         bypass_menu_item = static_cast<CheckMenuItem*> (&items.back());
 517
 518         /* set state first, connect second */
 519
 520         bypass_menu_item->set_active (_panner->bypassed());
 521         bypass_menu_item->signal_toggled().connect (mem_fun(*this, &PannerUI::pan_bypass_toggle));
 522
 523         items.push_back (MenuElem (_("Reset"), bind (mem_fun (*this, &PannerUI::pan_reset), which)));
 524         items.push_back (SeparatorElem());
 525         items.push_back (MenuElem (_("Reset all"), mem_fun (*this, &PannerUI::pan_reset_all)));
 526 }
 527
 528 void
 529 PannerUI::pan_mute (uint32_t which)
 530 {
 531         StreamPanner& sp = _panner->streampanner(which);
 532         sp.set_muted (!sp.muted());
 533 }
 534
 535 void
 536 PannerUI::pan_bypass_toggle ()
 537 {
 538         if (bypass_menu_item && (_panner->bypassed() != bypass_menu_item->get_active())) {
 539                 _panner->set_bypassed (!_panner->bypassed());
 540         }
 541 }
 542
 543 void
 544 PannerUI::pan_reset (uint32_t which)
 545 {
 546         _panner->reset_streampanner (which);
 547 }
 548
 549 void
 550 PannerUI::pan_reset_all ()
 551 {
 552         _panner->reset_to_default ();
 553 }
 554
 555 void
 556 PannerUI::effective_pan_display ()
 557 {
 558         if (_panner->empty()) {
 559                 return;
 560         }
 561
 562         switch (_panner->nouts()) {
 563         case 0:
 564         case 1:
 565                 /* relax */
 566                 break;
 567
 568         case 2:
 569                 update_pan_bars (true);
 570                 break;
 571
 572         default:
 573                 //panner->move_puck (pan_value (v, right), 0.5);
 574                 break;
 575         }
 576 }
 577
 578 void
 579 PannerUI::pan_changed (void *src)
 580 {
 581         if (src == this) {
 582                 return;
 583         }
 584
 585         switch (_panner->npanners()) {
 586         case 0:
 587                 panning_link_direction_button.set_sensitive (false);
 588                 panning_link_button.set_sensitive (false);
 589                 return;
 590         case 1:
 591                 panning_link_direction_button.set_sensitive (false);
 592                 panning_link_button.set_sensitive (false);
 593                 break;
 594         default:
 595                 panning_link_direction_button.set_sensitive (true);
 596                 panning_link_button.set_sensitive (true);
 597         }
 598
 599         uint32_t nouts = _panner->nouts();
 600
 601         switch (nouts) {
 602         case 0:
 603         case 1:
 604                 /* relax */
 605                 break;
 606
 607         case 2:
 608                 /* bring pan bar state up to date */
 609                 update_pan_bars (false);
 610                 break;
 611
 612         default:
 613                 // panner->move_puck (pan_value (pans[0], pans[1]), 0.5);
 614                 break;
 615         }
 616 }
 617
 618 void
 619 PannerUI::pan_adjustment_changed (uint32_t which)
 620 {
 621         if (!in_pan_update && which < _panner->npanners()) {
 622
 623                 float xpos;
 624                 float val = pan_adjustments[which]->get_value ();
 625                 xpos = _panner->pan_control( which )->get_value();
 626
 627                 /* add a kinda-sorta detent for the middle */
 628
 629                 if (val != 0.5 && Panner::equivalent (val, 0.5)) {
 630                         /* this is going to be reentrant, so just
 631                            return after it.
 632                         */
 633
 634                         in_pan_update = true;
 635                         pan_adjustments[which]->set_value (0.5);
 636                         in_pan_update = false;
 637                         return;
 638                 }
 639
 640                 if (!Panner::equivalent (val, xpos)) {
 641
 642                         _panner->streampanner(which).set_position (val);
 643                         /* XXX
 644                            the panner objects have no access to the session,
 645                            so do this here. ick.
 646                         */
 647                         _session.set_dirty();
 648                 }
 649         }
 650 }
 651
 652 void
 653 PannerUI::pan_value_changed (uint32_t which)
 654 {
 655         ENSURE_GUI_THREAD (bind (mem_fun(*this, &PannerUI::pan_value_changed), which));
 656
 657         if (_panner->npanners() > 1 && which < _panner->npanners()) {
 658                 float xpos;
 659                 float val = pan_adjustments[which]->get_value ();
 660
 661                 _panner->streampanner(which).get_position (xpos);
 662
 663                 if (!Panner::equivalent (val, xpos)) {
 664                         in_pan_update = true;
 665                         pan_adjustments[which]->set_value (xpos);
 666                         in_pan_update = false;
 667                 }
 668         }
 669 }
 670
 671 void
 672 PannerUI::update_pan_bars (bool only_if_aplay)
 673 {
 674         uint32_t n;
 675         vector<Adjustment*>::iterator i;
 676
 677         in_pan_update = true;
 678
 679         /* this runs during automation playback, and moves the bar controllers
 680            and/or pucks around.
 681         */
 682
 683         for (i = pan_adjustments.begin(), n = 0; i != pan_adjustments.end(); ++i, ++n) {
 684                 float xpos, val;
 685
 686                 if (only_if_aplay) {
 687                         boost::shared_ptr<AutomationList> alist (_panner->streampanner(n).pan_control()->alist());
 688
 689                         if (!alist->automation_playback()) {
 690                                 continue;
 691                         }
 692                 }
 693
 694                 _panner->streampanner(n).get_effective_position (xpos);
 695                 val = (*i)->get_value ();
 696
 697                 if (!Panner::equivalent (val, xpos)) {
 698                         (*i)->set_value (xpos);
 699                 }
 700         }
 701
 702         in_pan_update = false;
 703 }
 704
 705 void
 706 PannerUI::update_pan_sensitive ()
 707 {
 708         bool sensitive = !(_panner->automation_state() & Play);
 709
 710         switch (_panner->nouts()) {
 711         case 0:
 712         case 1:
 713                 break;
 714         case 2:
 715                 for (vector<PannerBar*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
 716                         (*i)->set_sensitive (sensitive);
 717                 }
 718                 break;
 719         default:
 720                 if (panner) {
 721                         panner->set_sensitive (sensitive);
 722                 }
 723                 if (big_window) {
 724                         big_window->set_sensitive (sensitive);
 725                 }
 726                 break;
 727         }
 728 }
 729
 730 gint
 731 PannerUI::pan_automation_state_button_event (GdkEventButton *ev)
 732 {
 733         using namespace Menu_Helpers;
 734
 735         if (ev->type == GDK_BUTTON_RELEASE) {
 736                 return TRUE;
 737         }
 738
 739         switch (ev->button) {
 740         case 1:
 741                 if (pan_astate_menu == 0) {
 742                         build_astate_menu ();
 743                 }
 744                 pan_astate_menu->popup (1, ev->time);
 745                 break;
 746         default:
 747                 break;
 748         }
 749
 750         return TRUE;
 751 }
 752
 753 gint
 754 PannerUI::pan_automation_style_button_event (GdkEventButton *ev)
 755 {
 756         if (ev->type == GDK_BUTTON_RELEASE) {
 757                 return TRUE;
 758         }
 759
 760         switch (ev->button) {
 761         case 1:
 762                 if (pan_astyle_menu == 0) {
 763                         build_astyle_menu ();
 764                 }
 765                 pan_astyle_menu->popup (1, ev->time);
 766                 break;
 767         default:
 768                 break;
 769         }
 770         return TRUE;
 771 }
 772
 773 void
 774 PannerUI::pan_automation_style_changed ()
 775 {
 776         ENSURE_GUI_THREAD(mem_fun(*this, &PannerUI::pan_automation_style_changed));
 777
 778         switch (_width) {
 779         case Wide:
 780                 pan_automation_style_button.set_label (astyle_string(_panner->automation_style()));
 781                 break;
 782         case Narrow:
 783                 pan_automation_style_button.set_label (short_astyle_string(_panner->automation_style()));
 784                 break;
 785         }
 786 }
 787
 788 void
 789 PannerUI::pan_automation_state_changed ()
 790 {
 791         ENSURE_GUI_THREAD(mem_fun(*this, &PannerUI::pan_automation_state_changed));
 792
 793         bool x;
 794
 795         switch (_width) {
 796         case Wide:
 797           pan_automation_state_button.set_label (astate_string(_panner->automation_state()));
 798                 break;
 799         case Narrow:
 800           pan_automation_state_button.set_label (short_astate_string(_panner->automation_state()));
 801                 break;
 802         }
 803
 804         /* when creating a new session, we get to create busses (and
 805            sometimes tracks) with no outputs by the time they get
 806            here.
 807         */
 808
 809         if (_panner->empty()) {
 810                 return;
 811         }
 812
 813         x = (_panner->streampanner(0).pan_control()->alist()->automation_state() != Off);
 814
 815         if (pan_automation_state_button.get_active() != x) {
 816         ignore_toggle = true;
 817                 pan_automation_state_button.set_active (x);
 818                 ignore_toggle = false;
 819         }
 820
 821         update_pan_sensitive ();
 822
 823         /* start watching automation so that things move */
 824
 825         pan_watching.disconnect();
 826
 827         if (x) {
 828                 pan_watching = ARDOUR_UI::RapidScreenUpdate.connect (mem_fun (*this, &PannerUI::effective_pan_display));
 829         }
 830 }
 831
 832 string
 833 PannerUI::astate_string (AutoState state)
 834 {
 835         return _astate_string (state, false);
 836 }
 837
 838 string
 839 PannerUI::short_astate_string (AutoState state)
 840 {
 841         return _astate_string (state, true);
 842 }
 843
 844 string
 845 PannerUI::_astate_string (AutoState state, bool shrt)
 846 {
 847         string sstr;
 848
 849         switch (state) {
 850         case Off:
 851                 sstr = (shrt ? "M" : _("M"));
 852                 break;
 853         case Play:
 854                 sstr = (shrt ? "P" : _("P"));
 855                 break;
 856         case Touch:
 857                 sstr = (shrt ? "T" : _("T"));
 858                 break;
 859         case Write:
 860                 sstr = (shrt ? "W" : _("W"));
 861                 break;
 862         }
 863
 864         return sstr;
 865 }
 866
 867 string
 868 PannerUI::astyle_string (AutoStyle style)
 869 {
 870         return _astyle_string (style, false);
 871 }
 872
 873 string
 874 PannerUI::short_astyle_string (AutoStyle style)
 875 {
 876         return _astyle_string (style, true);
 877 }
 878
 879 string
 880 PannerUI::_astyle_string (AutoStyle style, bool shrt)
 881 {
 882         if (style & Trim) {
 883                 return _("Trim");
 884         } else {
 885                 /* XXX it might different in different languages */
 886
 887                 return (shrt ? _("Abs") : _("Abs"));
 888         }
 889 }