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