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 <gtkmm2ext/utils.h>
  22 #include <gtkmm2ext/barcontroller.h>
  23
  24 #include "pbd/fastlog.h"
  25
  26 #include "ardour/pannable.h"
  27 #include "ardour/panner.h"
  28 #include "ardour/panner_shell.h"
  29 #include "ardour/session.h"
  30
  31 #include "ardour_ui.h"
  32 #include "panner_ui.h"
  33 #include "panner2d.h"
  34 #include "utils.h"
  35 #include "gui_thread.h"
  36 #include "stereo_panner.h"
  37 #include "mono_panner.h"
  38
  39 #include "i18n.h"
  40
  41 using namespace std;
  42 using namespace ARDOUR;
  43 using namespace PBD;
  44 using namespace Gtkmm2ext;
  45 using namespace Gtk;
  46
  47 const int PannerUI::pan_bar_height = 35;
  48
  49 PannerUI::PannerUI (Session* s)
  50         : _current_nouts (-1)
  51         , _current_nins (-1)
  52         , pan_automation_style_button ("")
  53         , pan_automation_state_button ("")
  54         , _panner_list()
  55 {
  56         set_session (s);
  57
  58         ignore_toggle = false;
  59         pan_menu = 0;
  60         pan_astate_menu = 0;
  61         pan_astyle_menu = 0;
  62         in_pan_update = false;
  63         _stereo_panner = 0;
  64         _mono_panner = 0;
  65         _ignore_width_change = false;
  66         _ignore_position_change = false;
  67
  68         pan_automation_style_button.set_name ("MixerAutomationModeButton");
  69         pan_automation_state_button.set_name ("MixerAutomationPlaybackButton");
  70
  71         ARDOUR_UI::instance()->set_tip (pan_automation_state_button, _("Pan automation mode"));
  72         ARDOUR_UI::instance()->set_tip (pan_automation_style_button, _("Pan automation type"));
  73
  74         //set_size_request_to_display_given_text (pan_automation_state_button, X_("O"), 2, 2);
  75         //set_size_request_to_display_given_text (pan_automation_style_button, X_("0"), 2, 2);
  76
  77         pan_automation_style_button.unset_flags (Gtk::CAN_FOCUS);
  78         pan_automation_state_button.unset_flags (Gtk::CAN_FOCUS);
  79
  80         pan_automation_style_button.signal_button_press_event().connect (sigc::mem_fun(*this, &PannerUI::pan_automation_style_button_event), false);
  81         pan_automation_state_button.signal_button_press_event().connect (sigc::mem_fun(*this, &PannerUI::pan_automation_state_button_event), false);
  82
  83         pan_vbox.set_spacing (2);
  84         pack_start (pan_vbox, true, true);
  85
  86         twod_panner = 0;
  87         big_window = 0;
  88
  89         set_width(Narrow);
  90 }
  91
  92 void
  93 PannerUI::set_panner (boost::shared_ptr<PannerShell> ps, boost::shared_ptr<Panner> p)
  94 {
  95         /* note that the panshell might not change here (i.e. ps == _panshell)
  96          */
  97
  98         connections.drop_connections ();
  99
 100         delete pan_astyle_menu;
 101         pan_astyle_menu = 0;
 102
 103         delete pan_astate_menu;
 104         pan_astate_menu = 0;
 105
 106         _panshell = ps;
 107         _panner = p;
 108
 109         delete twod_panner;
 110         twod_panner = 0;
 111
 112         delete _stereo_panner;
 113         _stereo_panner = 0;
 114
 115         delete _mono_panner;
 116         _mono_panner = 0;
 117
 118         if (!_panner) {
 119                 return;
 120         }
 121
 122         _panshell->Changed.connect (connections, invalidator (*this), boost::bind (&PannerUI::panshell_changed, 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         /** TRANSLATORS: this is `Manual' in the sense of automation not being played,
 148             so that changes to pan must be done by hand.
 149         */
 150         pan_astate_menu->items().push_back (MenuElem (S_("Automation|Manual"), sigc::bind (
 151                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 152                         (AutoState) ARDOUR::Off)));
 153         pan_astate_menu->items().push_back (MenuElem (_("Play"), sigc::bind (
 154                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 155                         (AutoState) Play)));
 156         pan_astate_menu->items().push_back (MenuElem (_("Write"), sigc::bind (
 157                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 158                         (AutoState) Write)));
 159         pan_astate_menu->items().push_back (MenuElem (_("Touch"), sigc::bind (
 160                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 161                         (AutoState) Touch)));
 162
 163 }
 164
 165 void
 166 PannerUI::build_astyle_menu ()
 167 {
 168         using namespace Menu_Helpers;
 169
 170         if (pan_astyle_menu == 0) {
 171                 pan_astyle_menu = new Menu;
 172                 pan_astyle_menu->set_name ("ArdourContextMenu");
 173         } else {
 174                 pan_astyle_menu->items().clear();
 175         }
 176
 177         pan_astyle_menu->items().push_back (MenuElem (_("Trim")));
 178         pan_astyle_menu->items().push_back (MenuElem (_("Abs")));
 179 }
 180
 181 void
 182 PannerUI::on_size_allocate (Allocation& a)
 183 {
 184         HBox::on_size_allocate (a);
 185 }
 186
 187 void
 188 PannerUI::set_width (Width w)
 189 {
 190         _width = w;
 191 }
 192
 193 PannerUI::~PannerUI ()
 194 {
 195         delete twod_panner;
 196         delete big_window;
 197         delete pan_menu;
 198         delete pan_astyle_menu;
 199         delete pan_astate_menu;
 200         delete _stereo_panner;
 201         delete _mono_panner;
 202 }
 203
 204 void
 205 PannerUI::panshell_changed ()
 206 {
 207         set_panner (_panshell, _panshell->panner());
 208         setup_pan ();
 209 }
 210
 211 void
 212 PannerUI::setup_pan ()
 213 {
 214         int const nouts = _panner ? _panner->out().n_audio() : -1;
 215         int const nins = _panner ? _panner->in().n_audio() : -1;
 216
 217         if (nouts == _current_nouts && nins == _current_nins) {
 218                 return;
 219         }
 220
 221         _current_nins = nins;
 222         _current_nouts = nouts;
 223
 224         container_clear (pan_vbox);
 225
 226         delete twod_panner;
 227         twod_panner = 0;
 228         delete _stereo_panner;
 229         _stereo_panner = 0;
 230         delete _mono_panner;
 231         _mono_panner = 0;
 232
 233         if (!_panner) {
 234                 delete big_window;
 235                 big_window = 0;
 236                 return;
 237         }
 238
 239         if (_panshell->panner_gui_uri() == "http://ardour.org/plugin/panner_2in2out#ui")
 240         {
 241                 delete big_window;
 242                 big_window = 0;
 243
 244                 boost::shared_ptr<Pannable> pannable = _panner->pannable();
 245
 246                 _stereo_panner = new StereoPanner (_panshell);
 247                 _stereo_panner->set_size_request (-1, pan_bar_height);
 248                 pan_vbox.pack_start (*_stereo_panner, false, false);
 249
 250                 boost::shared_ptr<AutomationControl> ac;
 251
 252                 ac = pannable->pan_azimuth_control;
 253                 _stereo_panner->StartPositionGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::start_touch),
 254                                         boost::weak_ptr<AutomationControl> (ac)));
 255                 _stereo_panner->StopPositionGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::stop_touch),
 256                                         boost::weak_ptr<AutomationControl>(ac)));
 257
 258                 ac = pannable->pan_width_control;
 259                 _stereo_panner->StartWidthGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::start_touch),
 260                                         boost::weak_ptr<AutomationControl> (ac)));
 261                 _stereo_panner->StopWidthGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::stop_touch),
 262                                         boost::weak_ptr<AutomationControl>(ac)));
 263                 _stereo_panner->signal_button_release_event().connect (sigc::mem_fun(*this, &PannerUI::pan_button_event));
 264         }
 265         else if (_panshell->panner_gui_uri() == "http://ardour.org/plugin/panner_1in2out#ui"
 266                         || _panshell->panner_gui_uri() == "http://ardour.org/plugin/panner_balance#ui")
 267         {
 268                 delete big_window;
 269                 big_window = 0;
 270                 boost::shared_ptr<Pannable> pannable = _panner->pannable();
 271                 boost::shared_ptr<AutomationControl> ac = pannable->pan_azimuth_control;
 272
 273                 _mono_panner = new MonoPanner (_panshell);
 274
 275                 _mono_panner->StartGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::start_touch),
 276                                         boost::weak_ptr<AutomationControl> (ac)));
 277                 _mono_panner->StopGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::stop_touch),
 278                                         boost::weak_ptr<AutomationControl>(ac)));
 279
 280                 _mono_panner->signal_button_release_event().connect (sigc::mem_fun(*this, &PannerUI::pan_button_event));
 281
 282                 _mono_panner->set_size_request (-1, pan_bar_height);
 283
 284                 update_pan_sensitive ();
 285                 pan_vbox.pack_start (*_mono_panner, false, false);
 286         }
 287         else if (_panshell->panner_gui_uri() == "http://ardour.org/plugin/panner_vbap#ui")
 288         {
 289                 if (!twod_panner) {
 290                         twod_panner = new Panner2d (_panshell, 61);
 291                         twod_panner->set_name ("MixerPanZone");
 292                         twod_panner->show ();
 293                         twod_panner->signal_button_press_event().connect (sigc::mem_fun(*this, &PannerUI::pan_button_event), false);
 294                 }
 295
 296                 update_pan_sensitive ();
 297                 twod_panner->reset (nins);
 298                 if (big_window) {
 299                         big_window->reset (nins);
 300                 }
 301                 twod_panner->set_size_request (-1, 61);
 302
 303                 /* and finally, add it to the panner frame */
 304
 305                 pan_vbox.pack_start (*twod_panner, false, false);
 306         }
 307         else
 308         {
 309                 /* stick something into the panning viewport so that it redraws */
 310                 EventBox* eb = manage (new EventBox());
 311                 pan_vbox.pack_start (*eb, false, false);
 312
 313                 delete big_window;
 314                 big_window = 0;
 315         }
 316
 317         pan_vbox.show_all ();
 318 }
 319
 320 void
 321 PannerUI::start_touch (boost::weak_ptr<AutomationControl> wac)
 322 {
 323         boost::shared_ptr<AutomationControl> ac = wac.lock();
 324         if (!ac) {
 325                 return;
 326         }
 327         ac->start_touch (ac->session().transport_frame());
 328 }
 329
 330 void
 331 PannerUI::stop_touch (boost::weak_ptr<AutomationControl> wac)
 332 {
 333         boost::shared_ptr<AutomationControl> ac = wac.lock();
 334         if (!ac) {
 335                 return;
 336         }
 337         ac->stop_touch (false, ac->session().transport_frame());
 338 }
 339
 340 bool
 341 PannerUI::pan_button_event (GdkEventButton* ev)
 342 {
 343         switch (ev->button) {
 344         case 1:
 345                 if (twod_panner && ev->type == GDK_2BUTTON_PRESS) {
 346                         if (!big_window) {
 347                                 big_window = new Panner2dWindow (_panshell, 400, _panner->in().n_audio());
 348                         }
 349                         big_window->show ();
 350                         return true;
 351                 }
 352                 break;
 353
 354         case 3:
 355                 if (pan_menu == 0) {
 356                         pan_menu = manage (new Menu);
 357                         pan_menu->set_name ("ArdourContextMenu");
 358                 }
 359                 build_pan_menu ();
 360                 pan_menu->popup (1, ev->time);
 361                 return true;
 362                 break;
 363         default:
 364                 return false;
 365         }
 366
 367         return false; // what's wrong with gcc?
 368 }
 369
 370 void
 371 PannerUI::build_pan_menu ()
 372 {
 373         using namespace Menu_Helpers;
 374         MenuList& items (pan_menu->items());
 375
 376         items.clear ();
 377
 378         items.push_back (CheckMenuElem (_("Bypass"), sigc::mem_fun(*this, &PannerUI::pan_bypass_toggle)));
 379         bypass_menu_item = static_cast<CheckMenuItem*> (&items.back());
 380
 381         /* set state first, connect second */
 382
 383         bypass_menu_item->set_active (_panshell->bypassed());
 384         bypass_menu_item->signal_toggled().connect (sigc::mem_fun(*this, &PannerUI::pan_bypass_toggle));
 385
 386         if (!_panshell->bypassed()) {
 387                 items.push_back (MenuElem (_("Reset"), sigc::mem_fun (*this, &PannerUI::pan_reset)));
 388                 items.push_back (MenuElem (_("Edit..."), sigc::mem_fun (*this, &PannerUI::pan_edit)));
 389         }
 390
 391         if (_panner_list.size() > 1 && !_panshell->bypassed()) {
 392                 RadioMenuItem::Group group;
 393                 items.push_back (SeparatorElem());
 394
 395                 assert(_panshell->user_selected_panner_uri() == ""
 396                                 ||  _panshell->user_selected_panner_uri() == _panshell->current_panner_uri());
 397
 398                 _suspend_menu_callbacks = true;
 399                 for (std::map<std::string,std::string>::const_iterator p = _panner_list.begin(); p != _panner_list.end(); ++p) {
 400                         items.push_back (RadioMenuElem (group, p->second,
 401                                                 sigc::bind(sigc::mem_fun (*this, &PannerUI::pan_set_custom_type), p->first)));
 402                         RadioMenuItem* i = dynamic_cast<RadioMenuItem *> (&items.back ());
 403                         i->set_active (_panshell->current_panner_uri() == p->first);
 404                 }
 405                 _suspend_menu_callbacks = false;
 406         }
 407 }
 408
 409 void
 410 PannerUI::pan_bypass_toggle ()
 411 {
 412         if (bypass_menu_item && (_panshell->bypassed() != bypass_menu_item->get_active())) {
 413                 _panshell->set_bypassed (!_panshell->bypassed());
 414         }
 415 }
 416
 417 void
 418 PannerUI::pan_edit ()
 419 {
 420         if (_panshell->bypassed()) {
 421                 return;
 422         }
 423         if (_mono_panner) {
 424                 _mono_panner->edit ();
 425         } else if (_stereo_panner) {
 426                 _stereo_panner->edit ();
 427         } else if (twod_panner) {
 428                 if (!big_window) {
 429                         big_window = new Panner2dWindow (_panshell, 400, _panner->in().n_audio());
 430                 }
 431                 big_window->show ();
 432         }
 433 }
 434
 435 void
 436 PannerUI::pan_reset ()
 437 {
 438         if (_panshell->bypassed()) {
 439                 return;
 440         }
 441         _panner->reset ();
 442 }
 443
 444 void
 445 PannerUI::pan_set_custom_type (std::string uri) {
 446         if (_suspend_menu_callbacks) return;
 447         _panshell->select_panner_by_uri(uri);
 448 }
 449
 450 void
 451 PannerUI::effective_pan_display ()
 452 {
 453         if (_stereo_panner) {
 454                 _stereo_panner->queue_draw ();
 455         } else if (_mono_panner) {
 456                 _mono_panner->queue_draw ();
 457         } else if (twod_panner) {
 458                 twod_panner->queue_draw ();
 459         }
 460 }
 461
 462 void
 463 PannerUI::update_pan_sensitive ()
 464 {
 465         bool const sensitive = !(_panner->pannable()->automation_state() & Play);
 466
 467         pan_vbox.set_sensitive (sensitive);
 468
 469         if (big_window) {
 470                 big_window->set_sensitive (sensitive);
 471         }
 472 }
 473
 474 gint
 475 PannerUI::pan_automation_state_button_event (GdkEventButton *ev)
 476 {
 477         using namespace Menu_Helpers;
 478
 479         if (ev->type == GDK_BUTTON_RELEASE) {
 480                 return TRUE;
 481         }
 482
 483         switch (ev->button) {
 484         case 1:
 485                 if (pan_astate_menu == 0) {
 486                         build_astate_menu ();
 487                 }
 488                 pan_astate_menu->popup (1, ev->time);
 489                 break;
 490         default:
 491                 break;
 492         }
 493
 494         return TRUE;
 495 }
 496
 497 gint
 498 PannerUI::pan_automation_style_button_event (GdkEventButton *ev)
 499 {
 500         if (ev->type == GDK_BUTTON_RELEASE) {
 501                 return TRUE;
 502         }
 503
 504         switch (ev->button) {
 505         case 1:
 506                 if (pan_astyle_menu == 0) {
 507                         build_astyle_menu ();
 508                 }
 509                 pan_astyle_menu->popup (1, ev->time);
 510                 break;
 511         default:
 512                 break;
 513         }
 514         return TRUE;
 515 }
 516
 517 void
 518 PannerUI::pan_automation_style_changed ()
 519 {
 520         ENSURE_GUI_THREAD (*this, &PannerUI::pan_automation_style_changed)
 521
 522         switch (_width) {
 523         case Wide:
 524                 pan_automation_style_button.set_label (astyle_string(_panner->automation_style()));
 525                 break;
 526         case Narrow:
 527                 pan_automation_style_button.set_label (short_astyle_string(_panner->automation_style()));
 528                 break;
 529         }
 530 }
 531
 532 void
 533 PannerUI::pan_automation_state_changed ()
 534 {
 535         boost::shared_ptr<Pannable> pannable (_panner->pannable());
 536
 537         switch (_width) {
 538         case Wide:
 539                 pan_automation_state_button.set_label (astate_string(pannable->automation_state()));
 540                 break;
 541         case Narrow:
 542                 pan_automation_state_button.set_label (short_astate_string(pannable->automation_state()));
 543                 break;
 544         }
 545
 546         bool x = (pannable->automation_state() != ARDOUR::Off);
 547
 548         if (pan_automation_state_button.get_active() != x) {
 549                 ignore_toggle = true;
 550                 pan_automation_state_button.set_active (x);
 551                 ignore_toggle = false;
 552         }
 553
 554         update_pan_sensitive ();
 555
 556         /* start watching automation so that things move */
 557
 558         pan_watching.disconnect();
 559
 560         if (x) {
 561                 pan_watching = ARDOUR_UI::RapidScreenUpdate.connect (sigc::mem_fun (*this, &PannerUI::effective_pan_display));
 562         }
 563 }
 564
 565 string
 566 PannerUI::astate_string (AutoState state)
 567 {
 568         return _astate_string (state, false);
 569 }
 570
 571 string
 572 PannerUI::short_astate_string (AutoState state)
 573 {
 574         return _astate_string (state, true);
 575 }
 576
 577 string
 578 PannerUI::_astate_string (AutoState state, bool shrt)
 579 {
 580         string sstr;
 581
 582         switch (state) {
 583         case ARDOUR::Off:
 584                 sstr = (shrt ? "M" : _("M"));
 585                 break;
 586         case Play:
 587                 sstr = (shrt ? "P" : _("P"));
 588                 break;
 589         case Touch:
 590                 sstr = (shrt ? "T" : _("T"));
 591                 break;
 592         case Write:
 593                 sstr = (shrt ? "W" : _("W"));
 594                 break;
 595         }
 596
 597         return sstr;
 598 }
 599
 600 string
 601 PannerUI::astyle_string (AutoStyle style)
 602 {
 603         return _astyle_string (style, false);
 604 }
 605
 606 string
 607 PannerUI::short_astyle_string (AutoStyle style)
 608 {
 609         return _astyle_string (style, true);
 610 }
 611
 612 string
 613 PannerUI::_astyle_string (AutoStyle style, bool shrt)
 614 {
 615         if (style & Trim) {
 616                 return _("Trim");
 617         } else {
 618                 /* XXX it might different in different languages */
 619
 620                 return (shrt ? _("Abs") : _("Abs"));
 621         }
 622 }
 623
 624 void
 625 PannerUI::show_width ()
 626 {
 627 }
 628
 629 void
 630 PannerUI::width_adjusted ()
 631 {
 632 }
 633
 634 void
 635 PannerUI::show_position ()
 636 {
 637 }
 638
 639 void
 640 PannerUI::position_adjusted ()
 641 {
 642 }
 643
 644 void
 645 PannerUI::set_available_panners(std::map<std::string,std::string> p)
 646 {
 647         _panner_list = p;
 648 }