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/barcontroller.h>
  25 #include "midi++/manager.h"
  26 #include "pbd/fastlog.h"
  27
  28 #include "ardour_ui.h"
  29 #include "panner_ui.h"
  30 #include "panner2d.h"
  31 #include "utils.h"
  32 #include "gui_thread.h"
  33 #include "stereo_panner.h"
  34 #include "mono_panner.h"
  35
  36 #include "ardour/delivery.h"
  37 #include "ardour/session.h"
  38 #include "ardour/panner.h"
  39 #include "ardour/pannable.h"
  40 #include "ardour/panner_shell.h"
  41 #include "ardour/route.h"
  42
  43 #include "i18n.h"
  44
  45 using namespace std;
  46 using namespace ARDOUR;
  47 using namespace PBD;
  48 using namespace Gtkmm2ext;
  49 using namespace Gtk;
  50
  51 const int PannerUI::pan_bar_height = 35;
  52
  53 PannerUI::PannerUI (Session* s)
  54         : _current_nouts (-1)
  55         , _current_nins (-1)
  56         , pan_automation_style_button ("")
  57         , pan_automation_state_button ("")
  58 {
  59         set_session (s);
  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         _stereo_panner = 0;
  67         _ignore_width_change = false;
  68         _ignore_position_change = false;
  69
  70         pan_automation_style_button.set_name ("MixerAutomationModeButton");
  71         pan_automation_state_button.set_name ("MixerAutomationPlaybackButton");
  72
  73         ARDOUR_UI::instance()->set_tip (pan_automation_state_button, _("Pan automation mode"));
  74         ARDOUR_UI::instance()->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_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
  80         pan_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
  81
  82         pan_automation_style_button.signal_button_press_event().connect (sigc::mem_fun(*this, &PannerUI::pan_automation_style_button_event), false);
  83         pan_automation_state_button.signal_button_press_event().connect (sigc::mem_fun(*this, &PannerUI::pan_automation_state_button_event), false);
  84
  85         pan_vbox.set_spacing (2);
  86         pack_start (pan_vbox, true, true);
  87
  88         twod_panner = 0;
  89         big_window = 0;
  90
  91         set_width(Narrow);
  92 }
  93
  94 void
  95 PannerUI::set_panner (boost::shared_ptr<PannerShell> ps, boost::shared_ptr<Panner> p)
  96 {
  97         /* note that the panshell might not change here (i.e. ps == _panshell)
  98          */
  99
 100         connections.drop_connections ();
 101
 102         delete pan_astyle_menu;
 103         pan_astyle_menu = 0;
 104
 105         delete pan_astate_menu;
 106         pan_astate_menu = 0;
 107
 108         _panshell = ps;
 109         _panner = p;
 110
 111         delete twod_panner;
 112         twod_panner = 0;
 113
 114         delete _stereo_panner;
 115         _stereo_panner = 0;
 116
 117         if (!_panner) {
 118                 return;
 119         }
 120
 121         _panshell->Changed.connect (connections, invalidator (*this), boost::bind (&PannerUI::panshell_changed, this), gui_context());
 122         _panner->StateChanged.connect (connections, invalidator (*this), boost::bind (&PannerUI::update_pan_state, this), gui_context());
 123
 124         /* new panner object, force complete reset of panner GUI
 125          */
 126
 127         _current_nouts = 0;
 128         _current_nins = 0;
 129
 130         setup_pan ();
 131         update_pan_sensitive ();
 132         pan_automation_state_changed ();
 133 }
 134
 135 void
 136 PannerUI::build_astate_menu ()
 137 {
 138         using namespace Menu_Helpers;
 139
 140         if (pan_astate_menu == 0) {
 141                 pan_astate_menu = new Menu;
 142                 pan_astate_menu->set_name ("ArdourContextMenu");
 143         } else {
 144                 pan_astate_menu->items().clear ();
 145         }
 146
 147         pan_astate_menu->items().push_back (MenuElem (_("Manual"), sigc::bind (
 148                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 149                         (AutoState) Off)));
 150         pan_astate_menu->items().push_back (MenuElem (_("Play"), sigc::bind (
 151                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 152                         (AutoState) Play)));
 153         pan_astate_menu->items().push_back (MenuElem (_("Write"), sigc::bind (
 154                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 155                         (AutoState) Write)));
 156         pan_astate_menu->items().push_back (MenuElem (_("Touch"), sigc::bind (
 157                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 158                         (AutoState) Touch)));
 159
 160 }
 161
 162 void
 163 PannerUI::build_astyle_menu ()
 164 {
 165         using namespace Menu_Helpers;
 166
 167         if (pan_astyle_menu == 0) {
 168                 pan_astyle_menu = new Menu;
 169                 pan_astyle_menu->set_name ("ArdourContextMenu");
 170         } else {
 171                 pan_astyle_menu->items().clear();
 172         }
 173
 174         pan_astyle_menu->items().push_back (MenuElem (_("Trim")));
 175         pan_astyle_menu->items().push_back (MenuElem (_("Abs")));
 176 }
 177
 178 boost::shared_ptr<PBD::Controllable>
 179 PannerUI::get_controllable()
 180 {
 181         assert (!pan_bars.empty());
 182         return pan_bars[0]->get_controllable();
 183 }
 184
 185 void
 186 PannerUI::on_size_allocate (Allocation& a)
 187 {
 188         HBox::on_size_allocate (a);
 189 }
 190
 191 void
 192 PannerUI::set_width (Width w)
 193 {
 194         _width = w;
 195 }
 196
 197 PannerUI::~PannerUI ()
 198 {
 199         for (vector<MonoPanner*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
 200                 delete (*i);
 201         }
 202
 203         delete twod_panner;
 204         delete big_window;
 205         delete pan_menu;
 206         delete pan_astyle_menu;
 207         delete pan_astate_menu;
 208         delete _stereo_panner;
 209 }
 210
 211
 212 void
 213 PannerUI::panshell_changed ()
 214 {
 215         set_panner (_panshell, _panshell->panner());
 216         setup_pan ();
 217 }
 218
 219 void
 220 PannerUI::update_pan_state ()
 221 {
 222         /* currently nothing to do */
 223 }
 224
 225 void
 226 PannerUI::setup_pan ()
 227 {
 228         if (!_panner) {
 229                 return;
 230         }
 231
 232         uint32_t const nouts = _panner->out().n_audio();
 233         uint32_t const nins = _panner->in().n_audio();
 234
 235         if (int32_t (nouts) == _current_nouts && int32_t (nins) == _current_nins) {
 236                 return;
 237         }
 238
 239         _current_nins = nins;
 240         _current_nouts = nouts;
 241
 242         container_clear (pan_vbox);
 243
 244         delete twod_panner;
 245         twod_panner = 0;
 246         delete _stereo_panner;
 247         _stereo_panner = 0;
 248
 249         if (nouts == 0 || nouts == 1) {
 250
 251                 delete _stereo_panner;
 252                 delete twod_panner;
 253
 254                 /* stick something into the panning viewport so that it redraws */
 255
 256                 EventBox* eb = manage (new EventBox());
 257                 pan_vbox.pack_start (*eb, false, false);
 258
 259         } else if (nouts == 2) {
 260
 261                 if (nins == 2) {
 262
 263                         /* add integrated 2in/2out panner GUI */
 264
 265                         boost::shared_ptr<Pannable> pannable = _panner->pannable();
 266
 267                         _stereo_panner = new StereoPanner (_panner);
 268                         _stereo_panner->set_size_request (-1, pan_bar_height);
 269                         pan_vbox.pack_start (*_stereo_panner, false, false);
 270
 271                         boost::shared_ptr<AutomationControl> ac;
 272
 273                         ac = pannable->pan_azimuth_control;
 274                         _stereo_panner->StartPositionGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::start_touch),
 275                                                                                   boost::weak_ptr<AutomationControl> (ac)));
 276                         _stereo_panner->StopPositionGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::stop_touch),
 277                                                                                  boost::weak_ptr<AutomationControl>(ac)));
 278
 279                         ac = pannable->pan_width_control;
 280                         _stereo_panner->StartWidthGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::start_touch),
 281                                                                                boost::weak_ptr<AutomationControl> (ac)));
 282                         _stereo_panner->StopWidthGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::stop_touch),
 283                                                                               boost::weak_ptr<AutomationControl>(ac)));
 284                         _stereo_panner->signal_button_release_event().connect (sigc::mem_fun(*this, &PannerUI::pan_button_event));
 285
 286                 } else if (nins == 1) {
 287                         /* 1-in/2out */
 288
 289                         MonoPanner* mp;
 290                         boost::shared_ptr<Pannable> pannable = _panner->pannable();
 291                         boost::shared_ptr<AutomationControl> ac = pannable->pan_azimuth_control;
 292
 293                         mp = new MonoPanner (ac);
 294
 295                         mp->StartGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::start_touch),
 296                                                                       boost::weak_ptr<AutomationControl> (ac)));
 297                         mp->StopGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::stop_touch),
 298                                                              boost::weak_ptr<AutomationControl>(ac)));
 299
 300                         mp->signal_button_release_event().connect (sigc::mem_fun(*this, &PannerUI::pan_button_event));
 301
 302                         mp->set_size_request (-1, pan_bar_height);
 303
 304                         update_pan_sensitive ();
 305                         pan_vbox.pack_start (*mp, false, false);
 306
 307                 } else {
 308                         warning << string_compose (_("No panner user interface is currently available for %1-in/2out tracks/busses"),
 309                                                    nins) << endmsg;
 310                 }
 311
 312
 313         } else {
 314
 315                 if (!twod_panner) {
 316                         twod_panner = new Panner2d (_panner, 61);
 317                         twod_panner->set_name ("MixerPanZone");
 318                         twod_panner->show ();
 319                         twod_panner->signal_button_press_event().connect (sigc::mem_fun(*this, &PannerUI::pan_button_event), false);
 320                 }
 321
 322                 update_pan_sensitive ();
 323                 twod_panner->reset (nins);
 324                 if (big_window) {
 325                         big_window->reset (nins);
 326                 }
 327                 twod_panner->set_size_request (-1, 61);
 328
 329                 /* and finally, add it to the panner frame */
 330
 331                 pan_vbox.pack_start (*twod_panner, false, false);
 332         }
 333
 334         pan_vbox.show_all ();
 335 }
 336
 337 void
 338 PannerUI::start_touch (boost::weak_ptr<AutomationControl> wac)
 339 {
 340         boost::shared_ptr<AutomationControl> ac = wac.lock();
 341         if (!ac) {
 342                 return;
 343         }
 344         ac->start_touch (ac->session().transport_frame());
 345 }
 346
 347 void
 348 PannerUI::stop_touch (boost::weak_ptr<AutomationControl> wac)
 349 {
 350         boost::shared_ptr<AutomationControl> ac = wac.lock();
 351         if (!ac) {
 352                 return;
 353         }
 354         ac->stop_touch (false, ac->session().transport_frame());
 355 }
 356
 357 bool
 358 PannerUI::pan_button_event (GdkEventButton* ev)
 359 {
 360         switch (ev->button) {
 361         case 1:
 362                 if (twod_panner && ev->type == GDK_2BUTTON_PRESS) {
 363                         if (!big_window) {
 364                                 big_window = new Panner2dWindow (_panner, 400, _panner->in().n_audio());
 365                         }
 366                         big_window->show ();
 367                         return true;
 368                 }
 369                 break;
 370
 371         case 3:
 372                 if (pan_menu == 0) {
 373                         pan_menu = manage (new Menu);
 374                         pan_menu->set_name ("ArdourContextMenu");
 375                 }
 376                 build_pan_menu ();
 377                 pan_menu->popup (1, ev->time);
 378                 return true;
 379                 break;
 380         default:
 381                 return false;
 382         }
 383
 384         return false; // what's wrong with gcc?
 385 }
 386
 387 void
 388 PannerUI::build_pan_menu ()
 389 {
 390         using namespace Menu_Helpers;
 391         MenuList& items (pan_menu->items());
 392
 393         items.clear ();
 394
 395         items.push_back (CheckMenuElem (_("Bypass"), sigc::mem_fun(*this, &PannerUI::pan_bypass_toggle)));
 396         bypass_menu_item = static_cast<CheckMenuItem*> (&items.back());
 397
 398         /* set state first, connect second */
 399
 400         bypass_menu_item->set_active (_panner->bypassed());
 401         bypass_menu_item->signal_toggled().connect (sigc::mem_fun(*this, &PannerUI::pan_bypass_toggle));
 402
 403         items.push_back (MenuElem (_("Reset"), sigc::mem_fun (*this, &PannerUI::pan_reset)));
 404 }
 405
 406 void
 407 PannerUI::pan_bypass_toggle ()
 408 {
 409         if (bypass_menu_item && (_panner->bypassed() != bypass_menu_item->get_active())) {
 410                 _panner->set_bypassed (!_panner->bypassed());
 411         }
 412 }
 413
 414 void
 415 PannerUI::pan_reset ()
 416 {
 417         _panner->reset ();
 418 }
 419
 420 void
 421 PannerUI::effective_pan_display ()
 422 {
 423         if (_stereo_panner) {
 424                 _stereo_panner->queue_draw ();
 425         } else if (twod_panner) {
 426                 twod_panner->queue_draw ();
 427         } else {
 428                 for (vector<MonoPanner*>::iterator i = pan_bars.begin(); i != pan_bars.end(); ++i) {
 429                         (*i)->queue_draw ();
 430                 }
 431         }
 432 }
 433
 434 void
 435 PannerUI::update_pan_sensitive ()
 436 {
 437         bool const sensitive = !(_panner->pannable()->automation_state() & Play);
 438
 439         pan_vbox.set_sensitive (sensitive);
 440
 441         if (big_window) {
 442                 big_window->set_sensitive (sensitive);
 443         }
 444 }
 445
 446 gint
 447 PannerUI::pan_automation_state_button_event (GdkEventButton *ev)
 448 {
 449         using namespace Menu_Helpers;
 450
 451         if (ev->type == GDK_BUTTON_RELEASE) {
 452                 return TRUE;
 453         }
 454
 455         switch (ev->button) {
 456         case 1:
 457                 if (pan_astate_menu == 0) {
 458                         build_astate_menu ();
 459                 }
 460                 pan_astate_menu->popup (1, ev->time);
 461                 break;
 462         default:
 463                 break;
 464         }
 465
 466         return TRUE;
 467 }
 468
 469 gint
 470 PannerUI::pan_automation_style_button_event (GdkEventButton *ev)
 471 {
 472         if (ev->type == GDK_BUTTON_RELEASE) {
 473                 return TRUE;
 474         }
 475
 476         switch (ev->button) {
 477         case 1:
 478                 if (pan_astyle_menu == 0) {
 479                         build_astyle_menu ();
 480                 }
 481                 pan_astyle_menu->popup (1, ev->time);
 482                 break;
 483         default:
 484                 break;
 485         }
 486         return TRUE;
 487 }
 488
 489 void
 490 PannerUI::pan_automation_style_changed ()
 491 {
 492         ENSURE_GUI_THREAD (*this, &PannerUI::pan_automation_style_changed)
 493
 494         switch (_width) {
 495         case Wide:
 496                 pan_automation_style_button.set_label (astyle_string(_panner->automation_style()));
 497                 break;
 498         case Narrow:
 499                 pan_automation_style_button.set_label (short_astyle_string(_panner->automation_style()));
 500                 break;
 501         }
 502 }
 503
 504 void
 505 PannerUI::pan_automation_state_changed ()
 506 {
 507         boost::shared_ptr<Pannable> pannable (_panner->pannable());
 508
 509         switch (_width) {
 510         case Wide:
 511                 pan_automation_state_button.set_label (astate_string(pannable->automation_state()));
 512                 break;
 513         case Narrow:
 514                 pan_automation_state_button.set_label (short_astate_string(pannable->automation_state()));
 515                 break;
 516         }
 517
 518         bool x = (pannable->automation_state() != Off);
 519
 520         if (pan_automation_state_button.get_active() != x) {
 521                 ignore_toggle = true;
 522                 pan_automation_state_button.set_active (x);
 523                 ignore_toggle = false;
 524         }
 525
 526         update_pan_sensitive ();
 527
 528         /* start watching automation so that things move */
 529
 530         pan_watching.disconnect();
 531
 532         if (x) {
 533                 pan_watching = ARDOUR_UI::RapidScreenUpdate.connect (sigc::mem_fun (*this, &PannerUI::effective_pan_display));
 534         }
 535 }
 536
 537 string
 538 PannerUI::astate_string (AutoState state)
 539 {
 540         return _astate_string (state, false);
 541 }
 542
 543 string
 544 PannerUI::short_astate_string (AutoState state)
 545 {
 546         return _astate_string (state, true);
 547 }
 548
 549 string
 550 PannerUI::_astate_string (AutoState state, bool shrt)
 551 {
 552         string sstr;
 553
 554         switch (state) {
 555         case Off:
 556                 sstr = (shrt ? "M" : _("M"));
 557                 break;
 558         case Play:
 559                 sstr = (shrt ? "P" : _("P"));
 560                 break;
 561         case Touch:
 562                 sstr = (shrt ? "T" : _("T"));
 563                 break;
 564         case Write:
 565                 sstr = (shrt ? "W" : _("W"));
 566                 break;
 567         }
 568
 569         return sstr;
 570 }
 571
 572 string
 573 PannerUI::astyle_string (AutoStyle style)
 574 {
 575         return _astyle_string (style, false);
 576 }
 577
 578 string
 579 PannerUI::short_astyle_string (AutoStyle style)
 580 {
 581         return _astyle_string (style, true);
 582 }
 583
 584 string
 585 PannerUI::_astyle_string (AutoStyle style, bool shrt)
 586 {
 587         if (style & Trim) {
 588                 return _("Trim");
 589         } else {
 590                 /* XXX it might different in different languages */
 591
 592                 return (shrt ? _("Abs") : _("Abs"));
 593         }
 594 }
 595
 596 void
 597 PannerUI::show_width ()
 598 {
 599 }
 600
 601 void
 602 PannerUI::width_adjusted ()
 603 {
 604 }
 605
 606 void
 607 PannerUI::show_position ()
 608 {
 609 }
 610
 611 void
 612 PannerUI::position_adjusted ()
 613 {
 614 }