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/delivery.h"
  37 #include "ardour/session.h"
  38 #include "ardour/panner.h"
  39 #include "ardour/route.h"
  40
  41 #include "i18n.h"
  42
  43 using namespace std;
  44 using namespace ARDOUR;
  45 using namespace PBD;
  46 using namespace Gtkmm2ext;
  47 using namespace Gtk;
  48 using namespace sigc;
  49
  50 const int PannerUI::pan_bar_height = 30;
  51
  52 PannerUI::PannerUI (Session& s)
  53         : _session (s),
  54           _current_nouts (-1),
  55           _current_npans (-1),
  56           hAdjustment(0.0, 0.0, 0.0),
  57           vAdjustment(0.0, 0.0, 0.0),
  58           panning_viewport(hAdjustment, vAdjustment),
  59           panning_up_arrow (Gtk::ARROW_UP, Gtk::SHADOW_OUT),
  60           panning_down_arrow (Gtk::ARROW_DOWN, Gtk::SHADOW_OUT),
  61           panning_link_button (_("link")),
  62           pan_automation_style_button (""),
  63           pan_automation_state_button ("")
  64 {
  65         ignore_toggle = false;
  66         pan_menu = 0;
  67         pan_astate_menu = 0;
  68         pan_astyle_menu = 0;
  69         in_pan_update = false;
  70
  71         pan_automation_style_button.set_name ("MixerAutomationModeButton");
  72         pan_automation_state_button.set_name ("MixerAutomationPlaybackButton");
  73
  74         ARDOUR_UI::instance()->tooltips().set_tip (pan_automation_state_button, _("Pan automation mode"));
  75         ARDOUR_UI::instance()->tooltips().set_tip (pan_automation_style_button, _("Pan automation type"));
  76
  77         //set_size_request_to_display_given_text (pan_automation_state_button, X_("O"), 2, 2);
  78         //set_size_request_to_display_given_text (pan_automation_style_button, X_("0"), 2, 2);
  79
  80         panning_viewport.set_name (X_("BaseFrame"));
  81
  82         ARDOUR_UI::instance()->tooltips().set_tip (panning_link_button,
  83                                                    _("panning link control"));
  84         ARDOUR_UI::instance()->tooltips().set_tip (panning_link_direction_button,
  85                                                    _("panning link direction"));
  86
  87         pan_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
  88         pan_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
  89
  90         pan_automation_style_button.signal_button_press_event().connect (sigc::mem_fun(*this, &PannerUI::pan_automation_style_button_event), false);
  91         pan_automation_state_button.signal_button_press_event().connect (sigc::mem_fun(*this, &PannerUI::pan_automation_state_button_event), false);
  92
  93         panning_link_button.set_name (X_("PanningLinkButton"));
  94         panning_link_direction_button.set_name (X_("PanningLinkDirectionButton"));
  95
  96         panning_link_box.pack_start (panning_link_button, true, true);
  97         panning_link_box.pack_start (panning_link_direction_button, true, true);
  98         panning_link_box.pack_start (pan_automation_state_button, true, true);
  99
 100         /* the pixmap will be reset at some point, but the key thing is that
 101            we need a pixmap in the button just to get started.
 102         */
 103         panning_link_direction_button.add (*(manage (new Image (get_xpm("forwardblarrow.xpm")))));
 104
 105         panning_link_direction_button.signal_clicked().connect
 106                 (sigc::mem_fun(*this, &PannerUI::panning_link_direction_clicked));
 107
 108         panning_link_button.signal_button_press_event().connect
 109                 (sigc::mem_fun(*this, &PannerUI::panning_link_button_press), false);
 110         panning_link_button.signal_button_release_event().connect
 111                 (sigc::mem_fun(*this, &PannerUI::panning_link_button_release), false);
 112
 113         panning_up.set_border_width (3);
 114         panning_down.set_border_width (3);
 115         panning_up.add (panning_up_arrow);
 116         panning_down.add (panning_down_arrow);
 117         panning_up.set_name (X_("PanScrollerBase"));
 118         panning_down.set_name (X_("PanScrollerBase"));
 119         panning_up_arrow.set_name (X_("PanScrollerArrow"));
 120         panning_down_arrow.set_name (X_("PanScrollerArrow"));
 121
 122         pan_vbox.set_spacing (2);
 123         pan_vbox.pack_start (panning_viewport, Gtk::PACK_SHRINK);
 124         pan_vbox.pack_start (panning_link_box, Gtk::PACK_SHRINK);
 125
 126         pack_start (pan_vbox, true, true);
 127
 128         panner = 0;
 129         big_window = 0;
 130
 131         set_width(Narrow);
 132 }
 133
 134 void
 135 PannerUI::set_panner (boost::shared_ptr<Panner> p)
 136 {
 137         connections.clear ();
 138
 139         delete pan_astyle_menu;
 140         pan_astyle_menu = 0;
 141
 142         delete pan_astate_menu;
 143         pan_astate_menu = 0;
 144
 145         _panner = p;
 146
 147         delete panner;
 148         panner = 0;
 149
 150         if (!_panner) {
 151                 return;
 152         }
 153
 154         connections.push_back (_panner->Changed.connect (sigc::mem_fun(*this, &PannerUI::panner_changed)));
 155         connections.push_back (_panner->LinkStateChanged.connect (sigc::mem_fun(*this, &PannerUI::update_pan_linkage)));
 156         connections.push_back (_panner->StateChanged.connect (sigc::mem_fun(*this, &PannerUI::update_pan_state)));
 157
 158         setup_pan ();
 159
 160         pan_changed (0);
 161         update_pan_sensitive ();
 162         update_pan_linkage ();
 163         pan_automation_state_changed ();
 164
 165 #if WHERE_DOES_THIS_LIVE
 166         pan_bar_packer.show();
 167         panning_viewport.show();
 168         panning_up.show();
 169         panning_up_arrow.show();
 170         panning_down.show();
 171         panning_down_arrow.show();
 172         pan_vbox.show();
 173         panning_link_button.show();
 174         panning_link_direction_button.show();
 175         panning_link_box.show();
 176         pan_automation_style_button.show();
 177         pan_automation_state_button.show();
 178         show();
 179 #endif
 180 }
 181
 182 void
 183 PannerUI::build_astate_menu ()
 184 {
 185         using namespace Menu_Helpers;
 186
 187         if (pan_astate_menu == 0) {
 188                 pan_astate_menu = new Menu;
 189                 pan_astate_menu->set_name ("ArdourContextMenu");
 190         } else {
 191                 pan_astate_menu->items().clear ();
 192         }
 193
 194         pan_astate_menu->items().push_back (MenuElem (_("Manual"), sigc::bind (
 195                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 196                         (AutoState) Off)));
 197         pan_astate_menu->items().push_back (MenuElem (_("Play"), sigc::bind (
 198                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 199                         (AutoState) Play)));
 200         pan_astate_menu->items().push_back (MenuElem (_("Write"), sigc::bind (
 201                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 202                         (AutoState) Write)));
 203         pan_astate_menu->items().push_back (MenuElem (_("Touch"), sigc::bind (
 204                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 205                         (AutoState) Touch)));
 206
 207 }
 208
 209 void
 210 PannerUI::build_astyle_menu ()
 211 {
 212         using namespace Menu_Helpers;
 213
 214         if (pan_astyle_menu == 0) {
 215                 pan_astyle_menu = new Menu;
 216                 pan_astyle_menu->set_name ("ArdourContextMenu");
 217         } else {
 218                 pan_astyle_menu->items().clear();
 219         }
 220
 221         pan_astyle_menu->items().push_back (MenuElem (_("Trim")));
 222         pan_astyle_menu->items().push_back (MenuElem (_("Abs")));
 223 }
 224
 225 boost::shared_ptr<PBD::Controllable>
 226 PannerUI::get_controllable()
 227 {
 228         return pan_bars[0]->get_controllable();
 229 }
 230
 231 bool
 232 PannerUI::panning_link_button_press (GdkEventButton*)
 233 {
 234         return true;
 235 }
 236
 237 bool
 238 PannerUI::panning_link_button_release (GdkEventButton*)
 239 {
 240         if (!ignore_toggle) {
 241                 _panner->set_linked (!_panner->linked());
 242         }
 243         return true;
 244 }
 245
 246 void
 247 PannerUI::panning_link_direction_clicked()
 248 {
 249         switch (_panner->link_direction()) {
 250         case Panner::SameDirection:
 251                 _panner->set_link_direction (Panner::OppositeDirection);
 252                 break;
 253         default:
 254                 _panner->set_link_direction (Panner::SameDirection);
 255                 break;
 256         }
 257 }
 258
 259 void
 260 PannerUI::update_pan_linkage ()
 261 {
 262         ENSURE_GUI_THREAD (*this, &PannerUI::update_pan_linkage)
 263
 264         bool x = _panner->linked();
 265         bool bx = panning_link_button.get_active();
 266
 267         if (x != bx) {
 268
 269                 ignore_toggle = true;
 270                 panning_link_button.set_active (x);
 271                 ignore_toggle = false;
 272         }
 273
 274         panning_link_direction_button.set_sensitive (x);
 275
 276         switch (_panner->link_direction()) {
 277         case Panner::SameDirection:
 278                 panning_link_direction_button.set_image (*(manage (new Image (get_xpm ("forwardblarrow.xpm")))));
 279                 break;
 280         default:
 281                 panning_link_direction_button.set_image (*(manage (new Image (get_xpm("revdblarrow.xpm")))));
 282                 break;
 283         }
 284 }
 285
 286 void
 287 PannerUI::set_width (Width w)
 288 {
 289         switch (w) {
 290         case Wide:
 291                 panning_link_button.set_label (_("link"));
 292                 break;
 293         case Narrow:
 294                 panning_link_button.set_label (_("L"));
 295                 break;
 296         }
 297
 298         _width = w;
 299 }
 300
 301
 302 PannerUI::~PannerUI ()
 303 {
 304         for (vector<Adjustment*>::iterator i = pan_adjustments.begin(); i != pan_adjustments.end(); ++i) {
 305                 delete (*i);
 306         }
 307
 308         for (vector<PannerBar*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
 309                 delete (*i);
 310         }
 311
 312         delete panner;
 313         delete big_window;
 314         delete pan_menu;
 315         delete pan_astyle_menu;
 316         delete pan_astate_menu;
 317 }
 318
 319
 320 void
 321 PannerUI::panner_changed ()
 322 {
 323         ENSURE_GUI_THREAD (*this, &PannerUI::panner_changed)
 324         setup_pan ();
 325         pan_changed (0);
 326 }
 327
 328 void
 329 PannerUI::update_pan_state ()
 330 {
 331         /* currently nothing to do */
 332         // ENSURE_GUI_THREAD (*this, &PannerUI::update_panner_state)
 333 }
 334
 335 void
 336 PannerUI::setup_pan ()
 337 {
 338         if (!_panner) {
 339                 return;
 340         }
 341
 342         uint32_t const nouts = _panner->nouts();
 343         uint32_t const npans = _panner->npanners();
 344
 345         if (int32_t (nouts) == _current_nouts && int32_t (npans) == _current_npans) {
 346                 return;
 347         }
 348
 349         _current_nouts = nouts;
 350         _current_npans = npans;
 351
 352         if (nouts == 0 || nouts == 1) {
 353
 354                 while (!pan_adjustments.empty()) {
 355                         delete pan_bars.back();
 356                         pan_bars.pop_back ();
 357                         delete pan_adjustments.back();
 358                         pan_adjustments.pop_back ();
 359                 }
 360
 361                 /* stick something into the panning viewport so that it redraws */
 362
 363                 EventBox* eb = manage (new EventBox());
 364                 panning_viewport.remove ();
 365                 panning_viewport.add (*eb);
 366                 panning_viewport.show_all ();
 367
 368         } else if (nouts == 2) {
 369
 370                 vector<Adjustment*>::size_type asz;
 371
 372                 while (!pan_adjustments.empty()) {
 373                         delete pan_bars.back();
 374                         pan_bars.pop_back ();
 375                         delete pan_adjustments.back();
 376                         pan_adjustments.pop_back ();
 377                 }
 378
 379                 while ((asz = pan_adjustments.size()) < npans) {
 380
 381                         float x, rx;
 382                         PannerBar* bc;
 383
 384                         /* initialize adjustment with 0.0 (L) or 1.0 (R) for the first and second panners,
 385                            which serves as a default, otherwise use current value */
 386
 387                         rx = _panner->pan_control( asz)->get_value();
 388
 389                         if (npans == 1) {
 390                                 x = 0.5;
 391                         } else if (asz == 0) {
 392                                 x = 0.0;
 393                         } else if (asz == 1) {
 394                                 x = 1.0;
 395                         } else {
 396                                 x = rx;
 397                         }
 398
 399                         pan_adjustments.push_back (new Adjustment (x, 0, 1.0, 0.005, 0.05));
 400                         bc = new PannerBar (*pan_adjustments[asz],
 401                                 boost::static_pointer_cast<PBD::Controllable>( _panner->pan_control( asz )) );
 402
 403                         /* now set adjustment with current value of panner, then connect the signals */
 404                         pan_adjustments.back()->set_value(rx);
 405                         pan_adjustments.back()->signal_value_changed().connect (sigc::bind (sigc::mem_fun(*this, &PannerUI::pan_adjustment_changed), (uint32_t) asz));
 406
 407                         _panner->pan_control( asz )->Changed.connect (sigc::bind (sigc::mem_fun(*this, &PannerUI::pan_value_changed), (uint32_t) asz));
 408
 409
 410                         bc->set_name ("PanSlider");
 411                         bc->set_shadow_type (Gtk::SHADOW_NONE);
 412
 413                         boost::shared_ptr<AutomationControl> ac = _panner->pan_control (asz);
 414
 415                         if (asz) {
 416                                 bc->StartGesture.connect (sigc::mem_fun (*ac, &AutomationControl::start_touch));
 417                                 bc->StopGesture.connect (sigc::mem_fun (*ac, &AutomationControl::stop_touch));
 418                         }
 419
 420                         char buf[64];
 421                         snprintf (buf, sizeof (buf), _("panner for channel %zu"), asz + 1);
 422                         ARDOUR_UI::instance()->tooltips().set_tip (bc->event_widget(), buf);
 423
 424                         bc->event_widget().signal_button_release_event().connect
 425                                 (sigc::bind (sigc::mem_fun(*this, &PannerUI::pan_button_event), (uint32_t) asz));
 426
 427                         bc->set_size_request (-1, pan_bar_height);
 428
 429                         pan_bars.push_back (bc);
 430                         pan_bar_packer.pack_start (*bc, false, false);
 431                 }
 432
 433                 /* now that we actually have the pan bars,
 434                    set their sensitivity based on current
 435                    automation state.
 436                 */
 437
 438                 update_pan_sensitive ();
 439
 440                 panning_viewport.remove ();
 441                 panning_viewport.add (pan_bar_packer);
 442                 panning_viewport.show_all ();
 443
 444         } else {
 445
 446                 if (!panner) {
 447                         panner = new Panner2d (_panner, 61);
 448                         panner->set_name ("MixerPanZone");
 449                         panner->show ();
 450
 451                         panner->signal_button_press_event().connect
 452                                 (sigc::bind (sigc::mem_fun(*this, &PannerUI::pan_button_event), (uint32_t) 0), false);
 453                 }
 454
 455                 update_pan_sensitive ();
 456                 panner->reset (npans);
 457                 if (big_window) {
 458                         big_window->reset (npans);
 459                 }
 460                 panner->set_size_request (-1, 61);
 461
 462                 /* and finally, add it to the panner frame */
 463
 464                 panning_viewport.remove ();
 465                 panning_viewport.add (*panner);
 466                 panning_viewport.show_all ();
 467         }
 468 }
 469
 470 bool
 471 PannerUI::pan_button_event (GdkEventButton* ev, uint32_t which)
 472 {
 473         switch (ev->button) {
 474         case 1:
 475                 if (panner && ev->type == GDK_2BUTTON_PRESS) {
 476                         if (!big_window) {
 477                                 big_window = new Panner2dWindow (_panner, 400, _panner->npanners());
 478                         }
 479                         big_window->show ();
 480                         return true;
 481                 }
 482                 break;
 483
 484         case 3:
 485                 if (pan_menu == 0) {
 486                         pan_menu = manage (new Menu);
 487                         pan_menu->set_name ("ArdourContextMenu");
 488                 }
 489                 build_pan_menu (which);
 490                 pan_menu->popup (1, ev->time);
 491                 return true;
 492                 break;
 493         default:
 494                 return false;
 495         }
 496
 497         return false; // what's wrong with gcc?
 498 }
 499
 500 void
 501 PannerUI::build_pan_menu (uint32_t which)
 502 {
 503         using namespace Menu_Helpers;
 504         MenuList& items (pan_menu->items());
 505
 506         items.clear ();
 507
 508         items.push_back (CheckMenuElem (_("Mute")));
 509
 510         /* set state first, connect second */
 511
 512         (dynamic_cast<CheckMenuItem*> (&items.back()))->set_active (_panner->streampanner(which).muted());
 513         (dynamic_cast<CheckMenuItem*> (&items.back()))->signal_toggled().connect
 514                 (sigc::bind (sigc::mem_fun(*this, &PannerUI::pan_mute), which));
 515
 516         items.push_back (CheckMenuElem (_("Bypass"), sigc::mem_fun(*this, &PannerUI::pan_bypass_toggle)));
 517         bypass_menu_item = static_cast<CheckMenuItem*> (&items.back());
 518
 519         /* set state first, connect second */
 520
 521         bypass_menu_item->set_active (_panner->bypassed());
 522         bypass_menu_item->signal_toggled().connect (sigc::mem_fun(*this, &PannerUI::pan_bypass_toggle));
 523
 524         items.push_back (MenuElem (_("Reset"), sigc::bind (sigc::mem_fun (*this, &PannerUI::pan_reset), which)));
 525         items.push_back (SeparatorElem());
 526         items.push_back (MenuElem (_("Reset all"), sigc::mem_fun (*this, &PannerUI::pan_reset_all)));
 527 }
 528
 529 void
 530 PannerUI::pan_mute (uint32_t which)
 531 {
 532         StreamPanner& sp = _panner->streampanner(which);
 533         sp.set_muted (!sp.muted());
 534 }
 535
 536 void
 537 PannerUI::pan_bypass_toggle ()
 538 {
 539         if (bypass_menu_item && (_panner->bypassed() != bypass_menu_item->get_active())) {
 540                 _panner->set_bypassed (!_panner->bypassed());
 541         }
 542 }
 543
 544 void
 545 PannerUI::pan_reset (uint32_t which)
 546 {
 547         _panner->reset_streampanner (which);
 548 }
 549
 550 void
 551 PannerUI::pan_reset_all ()
 552 {
 553         _panner->reset_to_default ();
 554 }
 555
 556 void
 557 PannerUI::effective_pan_display ()
 558 {
 559         if (_panner->empty()) {
 560                 return;
 561         }
 562
 563         switch (_panner->nouts()) {
 564         case 0:
 565         case 1:
 566                 /* relax */
 567                 break;
 568
 569         case 2:
 570                 update_pan_bars (true);
 571                 break;
 572
 573         default:
 574                 //panner->move_puck (pan_value (v, right), 0.5);
 575                 break;
 576         }
 577 }
 578
 579 void
 580 PannerUI::pan_changed (void *src)
 581 {
 582         if (src == this) {
 583                 return;
 584         }
 585
 586         switch (_panner->npanners()) {
 587         case 0:
 588                 panning_link_direction_button.set_sensitive (false);
 589                 panning_link_button.set_sensitive (false);
 590                 return;
 591         case 1:
 592                 panning_link_direction_button.set_sensitive (false);
 593                 panning_link_button.set_sensitive (false);
 594                 break;
 595         default:
 596                 panning_link_direction_button.set_sensitive (true);
 597                 panning_link_button.set_sensitive (true);
 598         }
 599
 600         uint32_t nouts = _panner->nouts();
 601
 602         switch (nouts) {
 603         case 0:
 604         case 1:
 605                 /* relax */
 606                 break;
 607
 608         case 2:
 609                 /* bring pan bar state up to date */
 610                 update_pan_bars (false);
 611                 break;
 612
 613         default:
 614                 // panner->move_puck (pan_value (pans[0], pans[1]), 0.5);
 615                 break;
 616         }
 617 }
 618
 619 void
 620 PannerUI::pan_adjustment_changed (uint32_t which)
 621 {
 622         if (!in_pan_update && which < _panner->npanners()) {
 623
 624                 float xpos;
 625                 float val = pan_adjustments[which]->get_value ();
 626                 xpos = _panner->pan_control( which )->get_value();
 627
 628                 /* add a kinda-sorta detent for the middle */
 629
 630                 if (val != 0.5 && Panner::equivalent (val, 0.5)) {
 631                         /* this is going to be reentrant, so just
 632                            return after it.
 633                         */
 634
 635                         in_pan_update = true;
 636                         pan_adjustments[which]->set_value (0.5);
 637                         in_pan_update = false;
 638                         return;
 639                 }
 640
 641                 if (!Panner::equivalent (val, xpos)) {
 642
 643                         _panner->streampanner(which).set_position (val);
 644                         /* XXX
 645                            the panner objects have no access to the session,
 646                            so do this here. ick.
 647                         */
 648                         _session.set_dirty();
 649                 }
 650         }
 651 }
 652
 653 void
 654 PannerUI::pan_value_changed (uint32_t which)
 655 {
 656         ENSURE_GUI_THREAD (*this, &PannerUI::pan_value_changed, which)
 657
 658         if (_panner->npanners() > 1 && which < _panner->npanners()) {
 659                 float xpos;
 660                 float val = pan_adjustments[which]->get_value ();
 661
 662                 _panner->streampanner(which).get_position (xpos);
 663
 664                 if (!Panner::equivalent (val, xpos)) {
 665                         in_pan_update = true;
 666                         pan_adjustments[which]->set_value (xpos);
 667                         in_pan_update = false;
 668                 }
 669         }
 670 }
 671
 672 void
 673 PannerUI::update_pan_bars (bool only_if_aplay)
 674 {
 675         uint32_t n;
 676         vector<Adjustment*>::iterator i;
 677
 678         in_pan_update = true;
 679
 680         /* this runs during automation playback, and moves the bar controllers
 681            and/or pucks around.
 682         */
 683
 684         for (i = pan_adjustments.begin(), n = 0; i != pan_adjustments.end(); ++i, ++n) {
 685                 float xpos, val;
 686
 687                 if (only_if_aplay) {
 688                         boost::shared_ptr<AutomationList> alist (_panner->streampanner(n).pan_control()->alist());
 689
 690                         if (!alist->automation_playback()) {
 691                                 continue;
 692                         }
 693                 }
 694
 695                 _panner->streampanner(n).get_effective_position (xpos);
 696                 val = (*i)->get_value ();
 697
 698                 if (!Panner::equivalent (val, xpos)) {
 699                         (*i)->set_value (xpos);
 700                 }
 701         }
 702
 703         in_pan_update = false;
 704 }
 705
 706 void
 707 PannerUI::update_pan_sensitive ()
 708 {
 709         bool const sensitive = !(_panner->mono()) && !(_panner->automation_state() & Play);
 710
 711         switch (_panner->nouts()) {
 712         case 0:
 713         case 1:
 714                 break;
 715         case 2:
 716                 for (vector<PannerBar*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
 717                         (*i)->set_sensitive (sensitive);
 718                 }
 719                 break;
 720         default:
 721                 if (panner) {
 722                         panner->set_sensitive (sensitive);
 723                 }
 724                 if (big_window) {
 725                         big_window->set_sensitive (sensitive);
 726                 }
 727                 break;
 728         }
 729 }
 730
 731 gint
 732 PannerUI::pan_automation_state_button_event (GdkEventButton *ev)
 733 {
 734         using namespace Menu_Helpers;
 735
 736         if (ev->type == GDK_BUTTON_RELEASE) {
 737                 return TRUE;
 738         }
 739
 740         switch (ev->button) {
 741         case 1:
 742                 if (pan_astate_menu == 0) {
 743                         build_astate_menu ();
 744                 }
 745                 pan_astate_menu->popup (1, ev->time);
 746                 break;
 747         default:
 748                 break;
 749         }
 750
 751         return TRUE;
 752 }
 753
 754 gint
 755 PannerUI::pan_automation_style_button_event (GdkEventButton *ev)
 756 {
 757         if (ev->type == GDK_BUTTON_RELEASE) {
 758                 return TRUE;
 759         }
 760
 761         switch (ev->button) {
 762         case 1:
 763                 if (pan_astyle_menu == 0) {
 764                         build_astyle_menu ();
 765                 }
 766                 pan_astyle_menu->popup (1, ev->time);
 767                 break;
 768         default:
 769                 break;
 770         }
 771         return TRUE;
 772 }
 773
 774 void
 775 PannerUI::pan_automation_style_changed ()
 776 {
 777         ENSURE_GUI_THREAD (*this, &PannerUI::pan_automation_style_changed)
 778
 779         switch (_width) {
 780         case Wide:
 781                 pan_automation_style_button.set_label (astyle_string(_panner->automation_style()));
 782                 break;
 783         case Narrow:
 784                 pan_automation_style_button.set_label (short_astyle_string(_panner->automation_style()));
 785                 break;
 786         }
 787 }
 788
 789 void
 790 PannerUI::pan_automation_state_changed ()
 791 {
 792         ENSURE_GUI_THREAD (*this, &PannerUI::pan_automation_state_changed)
 793
 794         bool x;
 795
 796         switch (_width) {
 797         case Wide:
 798           pan_automation_state_button.set_label (astate_string(_panner->automation_state()));
 799                 break;
 800         case Narrow:
 801           pan_automation_state_button.set_label (short_astate_string(_panner->automation_state()));
 802                 break;
 803         }
 804
 805         /* when creating a new session, we get to create busses (and
 806            sometimes tracks) with no outputs by the time they get
 807            here.
 808         */
 809
 810         if (_panner->empty()) {
 811                 return;
 812         }
 813
 814         x = (_panner->streampanner(0).pan_control()->alist()->automation_state() != Off);
 815
 816         if (pan_automation_state_button.get_active() != x) {
 817         ignore_toggle = true;
 818                 pan_automation_state_button.set_active (x);
 819                 ignore_toggle = false;
 820         }
 821
 822         update_pan_sensitive ();
 823
 824         /* start watching automation so that things move */
 825
 826         pan_watching.disconnect();
 827
 828         if (x) {
 829                 pan_watching = ARDOUR_UI::RapidScreenUpdate.connect (sigc::mem_fun (*this, &PannerUI::effective_pan_display));
 830         }
 831 }
 832
 833 string
 834 PannerUI::astate_string (AutoState state)
 835 {
 836         return _astate_string (state, false);
 837 }
 838
 839 string
 840 PannerUI::short_astate_string (AutoState state)
 841 {
 842         return _astate_string (state, true);
 843 }
 844
 845 string
 846 PannerUI::_astate_string (AutoState state, bool shrt)
 847 {
 848         string sstr;
 849
 850         switch (state) {
 851         case Off:
 852                 sstr = (shrt ? "M" : _("M"));
 853                 break;
 854         case Play:
 855                 sstr = (shrt ? "P" : _("P"));
 856                 break;
 857         case Touch:
 858                 sstr = (shrt ? "T" : _("T"));
 859                 break;
 860         case Write:
 861                 sstr = (shrt ? "W" : _("W"));
 862                 break;
 863         }
 864
 865         return sstr;
 866 }
 867
 868 string
 869 PannerUI::astyle_string (AutoStyle style)
 870 {
 871         return _astyle_string (style, false);
 872 }
 873
 874 string
 875 PannerUI::short_astyle_string (AutoStyle style)
 876 {
 877         return _astyle_string (style, true);
 878 }
 879
 880 string
 881 PannerUI::_astyle_string (AutoStyle style, bool shrt)
 882 {
 883         if (style & Trim) {
 884                 return _("Trim");
 885         } else {
 886                 /* XXX it might different in different languages */
 887
 888                 return (shrt ? _("Abs") : _("Abs"));
 889         }
 890 }
 891
 892 void
 893 PannerUI::set_mono (bool yn)
 894 {
 895         _panner->set_mono (yn);
 896         update_pan_sensitive ();
 897 }
 898
 899