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         , _current_uri ("")
  53         , _send_mode (false)
  54         , pan_automation_style_button ("")
  55         , pan_automation_state_button ("")
  56         , _panner_list()
  57 {
  58         set_session (s);
  59
  60         ignore_toggle = false;
  61         pan_menu = 0;
  62         pan_astate_menu = 0;
  63         pan_astyle_menu = 0;
  64         in_pan_update = false;
  65         _stereo_panner = 0;
  66         _mono_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         delete _mono_panner;
 118         _mono_panner = 0;
 119
 120         if (!_panner) {
 121                 return;
 122         }
 123
 124         _panshell->Changed.connect (connections, invalidator (*this), boost::bind (&PannerUI::panshell_changed, this), gui_context());
 125
 126         /* new panner object, force complete reset of panner GUI
 127          */
 128
 129         _current_nouts = 0;
 130         _current_nins = 0;
 131
 132         setup_pan ();
 133         update_pan_sensitive ();
 134         pan_automation_state_changed ();
 135 }
 136
 137 void
 138 PannerUI::build_astate_menu ()
 139 {
 140         using namespace Menu_Helpers;
 141
 142         if (pan_astate_menu == 0) {
 143                 pan_astate_menu = new Menu;
 144                 pan_astate_menu->set_name ("ArdourContextMenu");
 145         } else {
 146                 pan_astate_menu->items().clear ();
 147         }
 148
 149         /** TRANSLATORS: this is `Manual' in the sense of automation not being played,
 150             so that changes to pan must be done by hand.
 151         */
 152         pan_astate_menu->items().push_back (MenuElem (S_("Automation|Manual"), sigc::bind (
 153                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 154                         (AutoState) ARDOUR::Off)));
 155         pan_astate_menu->items().push_back (MenuElem (_("Play"), sigc::bind (
 156                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 157                         (AutoState) Play)));
 158         pan_astate_menu->items().push_back (MenuElem (_("Write"), sigc::bind (
 159                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 160                         (AutoState) Write)));
 161         pan_astate_menu->items().push_back (MenuElem (_("Touch"), sigc::bind (
 162                         sigc::mem_fun (_panner.get(), &Panner::set_automation_state),
 163                         (AutoState) Touch)));
 164
 165 }
 166
 167 void
 168 PannerUI::build_astyle_menu ()
 169 {
 170         using namespace Menu_Helpers;
 171
 172         if (pan_astyle_menu == 0) {
 173                 pan_astyle_menu = new Menu;
 174                 pan_astyle_menu->set_name ("ArdourContextMenu");
 175         } else {
 176                 pan_astyle_menu->items().clear();
 177         }
 178
 179         pan_astyle_menu->items().push_back (MenuElem (_("Trim")));
 180         pan_astyle_menu->items().push_back (MenuElem (_("Abs")));
 181 }
 182
 183 void
 184 PannerUI::on_size_allocate (Allocation& a)
 185 {
 186         HBox::on_size_allocate (a);
 187 }
 188
 189 void
 190 PannerUI::set_width (Width w)
 191 {
 192         _width = w;
 193 }
 194
 195 PannerUI::~PannerUI ()
 196 {
 197         delete twod_panner;
 198         delete big_window;
 199         delete pan_menu;
 200         delete pan_astyle_menu;
 201         delete pan_astate_menu;
 202         delete _stereo_panner;
 203         delete _mono_panner;
 204 }
 205
 206 void
 207 PannerUI::panshell_changed ()
 208 {
 209         set_panner (_panshell, _panshell->panner());
 210         setup_pan ();
 211 }
 212
 213 void
 214 PannerUI::setup_pan ()
 215 {
 216         int const nouts = _panner ? _panner->out().n_audio() : -1;
 217         int const nins = _panner ? _panner->in().n_audio() : -1;
 218
 219         if (nouts == _current_nouts
 220                         && nins == _current_nins
 221                         && _current_uri == _panshell->panner_gui_uri()
 222                         )
 223         {
 224                 return;
 225         }
 226
 227         _current_nins = nins;
 228         _current_nouts = nouts;
 229         _current_uri = _panshell->panner_gui_uri();
 230
 231         container_clear (pan_vbox);
 232
 233         delete twod_panner;
 234         twod_panner = 0;
 235         delete _stereo_panner;
 236         _stereo_panner = 0;
 237         delete _mono_panner;
 238         _mono_panner = 0;
 239
 240         if (!_panner) {
 241                 delete big_window;
 242                 big_window = 0;
 243                 return;
 244         }
 245
 246         if (_current_uri == "http://ardour.org/plugin/panner_2in2out#ui")
 247         {
 248                 delete big_window;
 249                 big_window = 0;
 250
 251                 boost::shared_ptr<Pannable> pannable = _panner->pannable();
 252
 253                 _stereo_panner = new StereoPanner (_panshell);
 254                 _stereo_panner->set_size_request (-1, pan_bar_height);
 255                 _stereo_panner->set_send_drawing_mode (_send_mode);
 256                 pan_vbox.pack_start (*_stereo_panner, false, false);
 257
 258                 boost::shared_ptr<AutomationControl> ac;
 259
 260                 ac = pannable->pan_azimuth_control;
 261                 _stereo_panner->StartPositionGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::start_touch),
 262                                         boost::weak_ptr<AutomationControl> (ac)));
 263                 _stereo_panner->StopPositionGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::stop_touch),
 264                                         boost::weak_ptr<AutomationControl>(ac)));
 265
 266                 ac = pannable->pan_width_control;
 267                 _stereo_panner->StartWidthGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::start_touch),
 268                                         boost::weak_ptr<AutomationControl> (ac)));
 269                 _stereo_panner->StopWidthGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::stop_touch),
 270                                         boost::weak_ptr<AutomationControl>(ac)));
 271                 _stereo_panner->signal_button_release_event().connect (sigc::mem_fun(*this, &PannerUI::pan_button_event));
 272         }
 273         else if (_current_uri == "http://ardour.org/plugin/panner_1in2out#ui"
 274                         || _current_uri == "http://ardour.org/plugin/panner_balance#ui")
 275         {
 276                 delete big_window;
 277                 big_window = 0;
 278                 boost::shared_ptr<Pannable> pannable = _panner->pannable();
 279                 boost::shared_ptr<AutomationControl> ac = pannable->pan_azimuth_control;
 280
 281                 _mono_panner = new MonoPanner (_panshell);
 282
 283                 _mono_panner->StartGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::start_touch),
 284                                         boost::weak_ptr<AutomationControl> (ac)));
 285                 _mono_panner->StopGesture.connect (sigc::bind (sigc::mem_fun (*this, &PannerUI::stop_touch),
 286                                         boost::weak_ptr<AutomationControl>(ac)));
 287
 288                 _mono_panner->signal_button_release_event().connect (sigc::mem_fun(*this, &PannerUI::pan_button_event));
 289
 290                 _mono_panner->set_size_request (-1, pan_bar_height);
 291                 _mono_panner->set_send_drawing_mode (_send_mode);
 292
 293                 update_pan_sensitive ();
 294                 pan_vbox.pack_start (*_mono_panner, false, false);
 295         }
 296         else if (_current_uri == "http://ardour.org/plugin/panner_vbap#ui")
 297         {
 298                 if (!twod_panner) {
 299                         twod_panner = new Panner2d (_panshell, 61);
 300                         twod_panner->set_name ("MixerPanZone");
 301                         twod_panner->show ();
 302                         twod_panner->signal_button_press_event().connect (sigc::mem_fun(*this, &PannerUI::pan_button_event), false);
 303                 }
 304
 305                 update_pan_sensitive ();
 306                 twod_panner->reset (nins);
 307                 if (big_window) {
 308                         big_window->reset (nins);
 309                 }
 310                 twod_panner->set_size_request (-1, 61);
 311                 twod_panner->set_send_drawing_mode (_send_mode);
 312
 313                 /* and finally, add it to the panner frame */
 314
 315                 pan_vbox.pack_start (*twod_panner, false, false);
 316         }
 317         else
 318         {
 319                 /* stick something into the panning viewport so that it redraws */
 320                 EventBox* eb = manage (new EventBox());
 321                 pan_vbox.pack_start (*eb, false, false);
 322
 323                 delete big_window;
 324                 big_window = 0;
 325         }
 326
 327         pan_vbox.show_all ();
 328 }
 329
 330 void
 331 PannerUI::set_send_drawing_mode (bool onoff)
 332 {
 333         if (_stereo_panner) {
 334                 _stereo_panner->set_send_drawing_mode (onoff);
 335         } else if (_mono_panner) {
 336                 _mono_panner->set_send_drawing_mode (onoff);
 337         } else if (twod_panner) {
 338                 twod_panner->set_send_drawing_mode (onoff);
 339         }
 340         _send_mode = onoff;
 341 }
 342
 343 void
 344 PannerUI::start_touch (boost::weak_ptr<AutomationControl> wac)
 345 {
 346         boost::shared_ptr<AutomationControl> ac = wac.lock();
 347         if (!ac) {
 348                 return;
 349         }
 350         ac->start_touch (ac->session().transport_frame());
 351 }
 352
 353 void
 354 PannerUI::stop_touch (boost::weak_ptr<AutomationControl> wac)
 355 {
 356         boost::shared_ptr<AutomationControl> ac = wac.lock();
 357         if (!ac) {
 358                 return;
 359         }
 360         ac->stop_touch (false, ac->session().transport_frame());
 361 }
 362
 363 bool
 364 PannerUI::pan_button_event (GdkEventButton* ev)
 365 {
 366         switch (ev->button) {
 367         case 1:
 368                 if (twod_panner && ev->type == GDK_2BUTTON_PRESS) {
 369                         if (!big_window) {
 370                                 big_window = new Panner2dWindow (_panshell, 400, _panner->in().n_audio());
 371                         }
 372                         big_window->show ();
 373                         return true;
 374                 }
 375                 break;
 376
 377         case 3:
 378                 if (pan_menu == 0) {
 379                         pan_menu = manage (new Menu);
 380                         pan_menu->set_name ("ArdourContextMenu");
 381                 }
 382                 build_pan_menu ();
 383                 pan_menu->popup (1, ev->time);
 384                 return true;
 385                 break;
 386         default:
 387                 return false;
 388         }
 389
 390         return false; // what's wrong with gcc?
 391 }
 392
 393 void
 394 PannerUI::build_pan_menu ()
 395 {
 396         using namespace Menu_Helpers;
 397         MenuList& items (pan_menu->items());
 398
 399         items.clear ();
 400
 401         items.push_back (CheckMenuElem (_("Bypass"), sigc::mem_fun(*this, &PannerUI::pan_bypass_toggle)));
 402         bypass_menu_item = static_cast<Gtk::CheckMenuItem*> (&items.back());
 403
 404         /* set state first, connect second */
 405
 406         bypass_menu_item->set_active (_panshell->bypassed());
 407         bypass_menu_item->signal_toggled().connect (sigc::mem_fun(*this, &PannerUI::pan_bypass_toggle));
 408
 409         if (!_panshell->bypassed()) {
 410                 items.push_back (MenuElem (_("Reset"), sigc::mem_fun (*this, &PannerUI::pan_reset)));
 411                 items.push_back (MenuElem (_("Edit..."), sigc::mem_fun (*this, &PannerUI::pan_edit)));
 412         }
 413
 414         if (_panner_list.size() > 1 && !_panshell->bypassed()) {
 415                 RadioMenuItem::Group group;
 416                 items.push_back (SeparatorElem());
 417
 418                 _suspend_menu_callbacks = true;
 419                 for (std::map<std::string,std::string>::const_iterator p = _panner_list.begin(); p != _panner_list.end(); ++p) {
 420                         items.push_back (RadioMenuElem (group, p->second,
 421                                                 sigc::bind(sigc::mem_fun (*this, &PannerUI::pan_set_custom_type), p->first)));
 422                         RadioMenuItem* i = dynamic_cast<RadioMenuItem *> (&items.back ());
 423                         i->set_active (_panshell->current_panner_uri() == p->first);
 424                 }
 425                 _suspend_menu_callbacks = false;
 426         }
 427 }
 428
 429 void
 430 PannerUI::pan_bypass_toggle ()
 431 {
 432         if (bypass_menu_item && (_panshell->bypassed() != bypass_menu_item->get_active())) {
 433                 _panshell->set_bypassed (!_panshell->bypassed());
 434         }
 435 }
 436
 437 void
 438 PannerUI::pan_edit ()
 439 {
 440         if (_panshell->bypassed()) {
 441                 return;
 442         }
 443         if (_mono_panner) {
 444                 _mono_panner->edit ();
 445         } else if (_stereo_panner) {
 446                 _stereo_panner->edit ();
 447         } else if (twod_panner) {
 448                 if (!big_window) {
 449                         big_window = new Panner2dWindow (_panshell, 400, _panner->in().n_audio());
 450                 }
 451                 big_window->show ();
 452         }
 453 }
 454
 455 void
 456 PannerUI::pan_reset ()
 457 {
 458         if (_panshell->bypassed()) {
 459                 return;
 460         }
 461         _panner->reset ();
 462 }
 463
 464 void
 465 PannerUI::pan_set_custom_type (std::string uri) {
 466         if (_suspend_menu_callbacks) return;
 467         _panshell->select_panner_by_uri(uri);
 468 }
 469
 470 void
 471 PannerUI::effective_pan_display ()
 472 {
 473         if (_stereo_panner) {
 474                 _stereo_panner->queue_draw ();
 475         } else if (_mono_panner) {
 476                 _mono_panner->queue_draw ();
 477         } else if (twod_panner) {
 478                 twod_panner->queue_draw ();
 479         }
 480 }
 481
 482 void
 483 PannerUI::update_pan_sensitive ()
 484 {
 485         bool const sensitive = !(_panner->pannable()->automation_state() & Play);
 486
 487         pan_vbox.set_sensitive (sensitive);
 488
 489         if (big_window) {
 490                 big_window->set_sensitive (sensitive);
 491         }
 492 }
 493
 494 gint
 495 PannerUI::pan_automation_state_button_event (GdkEventButton *ev)
 496 {
 497         using namespace Menu_Helpers;
 498
 499         if (ev->type == GDK_BUTTON_RELEASE) {
 500                 return TRUE;
 501         }
 502
 503         switch (ev->button) {
 504         case 1:
 505                 if (pan_astate_menu == 0) {
 506                         build_astate_menu ();
 507                 }
 508                 pan_astate_menu->popup (1, ev->time);
 509                 break;
 510         default:
 511                 break;
 512         }
 513
 514         return TRUE;
 515 }
 516
 517 gint
 518 PannerUI::pan_automation_style_button_event (GdkEventButton *ev)
 519 {
 520         if (ev->type == GDK_BUTTON_RELEASE) {
 521                 return TRUE;
 522         }
 523
 524         switch (ev->button) {
 525         case 1:
 526                 if (pan_astyle_menu == 0) {
 527                         build_astyle_menu ();
 528                 }
 529                 pan_astyle_menu->popup (1, ev->time);
 530                 break;
 531         default:
 532                 break;
 533         }
 534         return TRUE;
 535 }
 536
 537 void
 538 PannerUI::pan_automation_style_changed ()
 539 {
 540         ENSURE_GUI_THREAD (*this, &PannerUI::pan_automation_style_changed)
 541
 542         switch (_width) {
 543         case Wide:
 544                 pan_automation_style_button.set_label (astyle_string(_panner->automation_style()));
 545                 break;
 546         case Narrow:
 547                 pan_automation_style_button.set_label (short_astyle_string(_panner->automation_style()));
 548                 break;
 549         }
 550 }
 551
 552 void
 553 PannerUI::pan_automation_state_changed ()
 554 {
 555         boost::shared_ptr<Pannable> pannable (_panner->pannable());
 556
 557         switch (_width) {
 558         case Wide:
 559                 pan_automation_state_button.set_label (astate_string(pannable->automation_state()));
 560                 break;
 561         case Narrow:
 562                 pan_automation_state_button.set_label (short_astate_string(pannable->automation_state()));
 563                 break;
 564         }
 565
 566         bool x = (pannable->automation_state() != ARDOUR::Off);
 567
 568         if (pan_automation_state_button.get_active() != x) {
 569                 ignore_toggle = true;
 570                 pan_automation_state_button.set_active (x);
 571                 ignore_toggle = false;
 572         }
 573
 574         update_pan_sensitive ();
 575
 576         /* start watching automation so that things move */
 577
 578         pan_watching.disconnect();
 579
 580         if (x) {
 581                 pan_watching = ARDOUR_UI::RapidScreenUpdate.connect (sigc::mem_fun (*this, &PannerUI::effective_pan_display));
 582         }
 583 }
 584
 585 string
 586 PannerUI::astate_string (AutoState state)
 587 {
 588         return _astate_string (state, false);
 589 }
 590
 591 string
 592 PannerUI::short_astate_string (AutoState state)
 593 {
 594         return _astate_string (state, true);
 595 }
 596
 597 string
 598 PannerUI::_astate_string (AutoState state, bool shrt)
 599 {
 600         string sstr;
 601
 602         switch (state) {
 603         case ARDOUR::Off:
 604                 sstr = (shrt ? "M" : _("M"));
 605                 break;
 606         case Play:
 607                 sstr = (shrt ? "P" : _("P"));
 608                 break;
 609         case Touch:
 610                 sstr = (shrt ? "T" : _("T"));
 611                 break;
 612         case Write:
 613                 sstr = (shrt ? "W" : _("W"));
 614                 break;
 615         }
 616
 617         return sstr;
 618 }
 619
 620 string
 621 PannerUI::astyle_string (AutoStyle style)
 622 {
 623         return _astyle_string (style, false);
 624 }
 625
 626 string
 627 PannerUI::short_astyle_string (AutoStyle style)
 628 {
 629         return _astyle_string (style, true);
 630 }
 631
 632 string
 633 PannerUI::_astyle_string (AutoStyle style, bool shrt)
 634 {
 635         if (style & Trim) {
 636                 return _("Trim");
 637         } else {
 638                 /* XXX it might different in different languages */
 639
 640                 return (shrt ? _("Abs") : _("Abs"));
 641         }
 642 }
 643
 644 void
 645 PannerUI::show_width ()
 646 {
 647 }
 648
 649 void
 650 PannerUI::width_adjusted ()
 651 {
 652 }
 653
 654 void
 655 PannerUI::show_position ()
 656 {
 657 }
 658
 659 void
 660 PannerUI::position_adjusted ()
 661 {
 662 }
 663
 664 void
 665 PannerUI::set_available_panners(std::map<std::string,std::string> p)
 666 {
 667         _panner_list = p;
 668 }