gtk2_ardour/ardour_ui2.cc

   1 /*
   2     Copyright (C) 1999 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     $Id$
  19 */
  20
  21 #include <fcntl.h>
  22 #include <signal.h>
  23 #include <unistd.h>
  24 #include <cerrno>
  25 #include <iostream>
  26 #include <cmath>
  27
  28 #include <sigc++/bind.h>
  29 #include <pbd/error.h>
  30 #include <pbd/basename.h>
  31 #include <pbd/fastlog.h>
  32 #include <gtkmm2ext/utils.h>
  33 #include <gtkmm2ext/click_box.h>
  34 #include <gtkmm2ext/tearoff.h>
  35
  36 #include <ardour/audioengine.h>
  37 #include <ardour/ardour.h>
  38 #include <ardour/route.h>
  39
  40 #include "ardour_ui.h"
  41 #include "public_editor.h"
  42 #include "audio_clock.h"
  43 #include "actions.h"
  44 #include "utils.h"
  45
  46 #include "i18n.h"
  47
  48 using namespace std;
  49 using namespace ARDOUR;
  50 using namespace PBD;
  51 using namespace Gtkmm2ext;
  52 using namespace Gtk;
  53 using namespace Glib;
  54 using namespace sigc;
  55
  56 int
  57 ARDOUR_UI::setup_windows ()
  58 {
  59         if (create_editor ()) {
  60                 error << _("UI: cannot setup editor") << endmsg;
  61                 return -1;
  62         }
  63
  64         if (create_mixer ()) {
  65                 error << _("UI: cannot setup mixer") << endmsg;
  66                 return -1;
  67         }
  68
  69         /* all other dialogs are created conditionally */
  70
  71         we_have_dependents ();
  72
  73         setup_clock ();
  74         setup_transport();
  75         setup_adjustables ();
  76         build_menu_bar ();
  77
  78         top_packer.pack_start (menu_bar_base, false, false);
  79         top_packer.pack_start (transport_frame, false, false);
  80
  81         editor->add_toplevel_controls (top_packer);
  82
  83         return 0;
  84 }
  85
  86 void
  87 ARDOUR_UI::setup_adjustables ()
  88 {
  89         adjuster_table.set_homogeneous (true);
  90
  91         online_control_strings.push_back (_("MMC + Local"));
  92         online_control_strings.push_back (_("MMC"));
  93         online_control_strings.push_back (_("Local"));
  94
  95         online_control_button = new GlobalClickBox ("CONTROL",
  96                                                     online_control_strings);
  97
  98         online_control_button->adjustment.signal_value_changed().connect(mem_fun(*this,&ARDOUR_UI::control_methods_adjusted));
  99
 100         mmc_id_strings.push_back ("1");
 101         mmc_id_strings.push_back ("2");
 102         mmc_id_strings.push_back ("3");
 103         mmc_id_strings.push_back ("4");
 104         mmc_id_strings.push_back ("5");
 105         mmc_id_strings.push_back ("6");
 106         mmc_id_strings.push_back ("7");
 107         mmc_id_strings.push_back ("8");
 108         mmc_id_strings.push_back ("9");
 109
 110         mmc_id_button = new GlobalClickBox (_("MMC ID"), mmc_id_strings);
 111
 112         mmc_id_button->adjustment.signal_value_changed().connect (mem_fun(*this,&ARDOUR_UI::mmc_device_id_adjusted));
 113
 114         adjuster_table.attach (*online_control_button, 0, 2, 1, 2, FILL|EXPAND, FILL, 5, 5);
 115         adjuster_table.attach (*mmc_id_button, 2, 3, 1, 2, FILL, FILL, 5, 5);
 116 }
 117
 118 void
 119 ARDOUR_UI::transport_stopped ()
 120 {
 121         stop_button.set_active (true);
 122
 123         roll_button.set_active (false);
 124         play_selection_button.set_active (false);
 125         auto_loop_button.set_active (false);
 126
 127         shuttle_fract = 0;
 128         shuttle_box.queue_draw ();
 129
 130         update_disk_space ();
 131 }
 132
 133 static const double SHUTTLE_FRACT_SPEED1=0.48412291827; /* derived from A1,A2 */
 134
 135 void
 136 ARDOUR_UI::transport_rolling ()
 137 {
 138         stop_button.set_active (false);
 139         if (session->get_play_range()) {
 140
 141                 play_selection_button.set_active (true);
 142                 roll_button.set_active (false);
 143                 auto_loop_button.set_active (false);
 144
 145         } else if (session->get_auto_loop ()) {
 146
 147                 auto_loop_button.set_active (true);
 148                 play_selection_button.set_active (false);
 149                 roll_button.set_active (false);
 150
 151         } else {
 152
 153                 roll_button.set_active (true);
 154                 play_selection_button.set_active (false);
 155                 auto_loop_button.set_active (false);
 156         }
 157
 158         /* reset shuttle controller */
 159
 160         shuttle_fract = SHUTTLE_FRACT_SPEED1;  /* speed = 1.0, believe it or not */
 161         shuttle_box.queue_draw ();
 162 }
 163
 164 void
 165 ARDOUR_UI::transport_rewinding ()
 166 {
 167         stop_button.set_active(false);
 168         roll_button.set_active (true);
 169         play_selection_button.set_active (false);
 170         auto_loop_button.set_active (false);
 171 }
 172
 173 void
 174 ARDOUR_UI::transport_forwarding ()
 175 {
 176         stop_button.set_active (false);
 177         roll_button.set_active (true);
 178         play_selection_button.set_active (false);
 179         auto_loop_button.set_active (false);
 180 }
 181
 182 void
 183 ARDOUR_UI::setup_transport ()
 184 {
 185         transport_tearoff = manage (new TearOff (transport_tearoff_hbox));
 186         transport_tearoff->set_name ("TransportBase");
 187
 188         transport_hbox.pack_start (*transport_tearoff, true, false);
 189
 190         transport_base.set_name ("TransportBase");
 191         transport_base.add (transport_hbox);
 192
 193         transport_frame.set_shadow_type (SHADOW_OUT);
 194         transport_frame.set_name ("BaseFrame");
 195         transport_frame.add (transport_base);
 196
 197         transport_tearoff->Detach.connect (bind (mem_fun(*this, &ARDOUR_UI::detach_tearoff), static_cast<Box*>(&top_packer),
 198                                                  static_cast<Widget*>(&transport_frame)));
 199         transport_tearoff->Attach.connect (bind (mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast<Box*> (&top_packer),
 200                                                  static_cast<Widget*> (&transport_frame), 1));
 201         transport_tearoff->Hidden.connect (bind (mem_fun(*this, &ARDOUR_UI::detach_tearoff), static_cast<Box*>(&top_packer),
 202                                                  static_cast<Widget*>(&transport_frame)));
 203         transport_tearoff->Visible.connect (bind (mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast<Box*> (&top_packer),
 204                                                   static_cast<Widget*> (&transport_frame), 1));
 205
 206         shuttle_box.set_name ("TransportButton");
 207         goto_start_button.set_name ("TransportButton");
 208         goto_end_button.set_name ("TransportButton");
 209         roll_button.set_name ("TransportButton");
 210         stop_button.set_name ("TransportButton");
 211         play_selection_button.set_name ("TransportButton");
 212         rec_button.set_name ("TransportRecButton");
 213         auto_loop_button.set_name ("TransportButton");
 214         auto_return_button.set_name ("TransportButton");
 215         auto_play_button.set_name ("TransportButton");
 216         auto_input_button.set_name ("TransportButton");
 217         punch_in_button.set_name ("TransportButton");
 218         punch_out_button.set_name ("TransportButton");
 219         click_button.set_name ("TransportButton");
 220         time_master_button.set_name ("TransportButton");
 221
 222         vector<Gdk::Color> colors;
 223         Gdk::Color c;
 224
 225         /* record button has 3 color states, so we set 2 extra here */
 226         set_color(c, rgba_from_style ("TransportRecButton", 0xff, 0, 0, 0, "bg", Gtk::STATE_PRELIGHT, false ));
 227         colors.push_back (c);
 228
 229         set_color(c, rgba_from_style ("TransportRecButton", 0xff, 0, 0, 0, "bg", Gtk::STATE_ACTIVE, false ));
 230         colors.push_back (c);
 231
 232         rec_button.set_colors (colors);
 233         colors.clear ();
 234
 235         /* other buttons get 2 color states, so add one here */
 236         set_color(c, rgba_from_style ("TransportButton", 0x7f, 0xff, 0x7f, 0, "bg", Gtk::STATE_ACTIVE, false ));
 237         colors.push_back (c);
 238
 239         stop_button.set_colors (colors);
 240         roll_button.set_colors (colors);
 241         auto_loop_button.set_colors (colors);
 242         play_selection_button.set_colors (colors);
 243         goto_start_button.set_colors (colors);
 244         goto_end_button.set_colors (colors);
 245
 246         Widget* w;
 247
 248         stop_button.set_active (true);
 249
 250         w = manage (new Image (Stock::MEDIA_PREVIOUS, ICON_SIZE_BUTTON));
 251         w->show();
 252         goto_start_button.add (*w);
 253         w = manage (new Image (Stock::MEDIA_NEXT, ICON_SIZE_BUTTON));
 254         w->show();
 255         goto_end_button.add (*w);
 256         w = manage (new Image (Stock::MEDIA_PLAY, ICON_SIZE_BUTTON));
 257         w->show();
 258         roll_button.add (*w);
 259         w = manage (new Image (Stock::MEDIA_STOP, ICON_SIZE_BUTTON));
 260         w->show();
 261         stop_button.add (*w);
 262         w = manage (new Image (Stock::MEDIA_PLAY, ICON_SIZE_BUTTON));
 263         w->show();
 264         play_selection_button.add (*w);
 265         w = manage (new Image (Stock::MEDIA_RECORD, ICON_SIZE_BUTTON));
 266         w->show();
 267         rec_button.add (*w);
 268         w = manage (new Image (get_xpm("loop.xpm")));
 269         w->show();
 270         auto_loop_button.add (*w);
 271
 272         RefPtr<Action> act;
 273
 274         act = ActionManager::get_action (X_("Transport"), X_("Stop"));
 275         act->connect_proxy (stop_button);
 276         act = ActionManager::get_action (X_("Transport"), X_("Roll"));
 277         act->connect_proxy (roll_button);
 278         act = ActionManager::get_action (X_("Transport"), X_("Record"));
 279         act->connect_proxy (rec_button);
 280         act = ActionManager::get_action (X_("Transport"), X_("GotoStart"));
 281         act->connect_proxy (goto_start_button);
 282         act = ActionManager::get_action (X_("Transport"), X_("GotoEnd"));
 283         act->connect_proxy (goto_end_button);
 284         act = ActionManager::get_action (X_("Transport"), X_("Loop"));
 285         act->connect_proxy (auto_loop_button);
 286         act = ActionManager::get_action (X_("Transport"), X_("PlaySelection"));
 287         act->connect_proxy (play_selection_button);
 288         act = ActionManager::get_action (X_("Transport"), X_("ToggleTimeMaster"));
 289         act->connect_proxy (time_master_button);
 290
 291         ARDOUR_UI::instance()->tooltips().set_tip (roll_button, _("Play from playhead"));
 292         ARDOUR_UI::instance()->tooltips().set_tip (stop_button, _("Stop playback"));
 293         ARDOUR_UI::instance()->tooltips().set_tip (play_selection_button, _("Play range/selection"));
 294         ARDOUR_UI::instance()->tooltips().set_tip (goto_start_button, _("Go to start of session"));
 295         ARDOUR_UI::instance()->tooltips().set_tip (goto_end_button, _("Go to end of session"));
 296         ARDOUR_UI::instance()->tooltips().set_tip (auto_loop_button, _("Play loop range"));
 297         ARDOUR_UI::instance()->tooltips().set_tip (auto_return_button, _("Return to last playback start when stopped"));
 298         ARDOUR_UI::instance()->tooltips().set_tip (auto_play_button, _("Start playback after any locate"));
 299         ARDOUR_UI::instance()->tooltips().set_tip (auto_input_button, _("Be sensible about input monitoring"));
 300         ARDOUR_UI::instance()->tooltips().set_tip (punch_in_button, _("Start recording at auto-punch start"));
 301         ARDOUR_UI::instance()->tooltips().set_tip (punch_out_button, _("Stop recording at auto-punch end"));
 302         ARDOUR_UI::instance()->tooltips().set_tip (click_button, _("Enable/Disable audio click"));
 303         ARDOUR_UI::instance()->tooltips().set_tip (sync_option_combo, _("Positional sync source"));
 304         ARDOUR_UI::instance()->tooltips().set_tip (time_master_button, _("Does Ardour control the time?"));
 305         ARDOUR_UI::instance()->tooltips().set_tip (shuttle_box, _("Shuttle speed control"));
 306         ARDOUR_UI::instance()->tooltips().set_tip (shuttle_units_button, _("Select semitones or %%-age for speed display"));
 307         ARDOUR_UI::instance()->tooltips().set_tip (speed_display_box, _("Current transport speed"));
 308
 309         shuttle_box.set_flags (CAN_FOCUS);
 310         shuttle_box.add_events (Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::BUTTON_PRESS_MASK|Gdk::POINTER_MOTION_MASK|Gdk::SCROLL_MASK);
 311         shuttle_box.set_size_request (100, 15);
 312
 313         shuttle_box.signal_button_press_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_button_press));
 314         shuttle_box.signal_button_release_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_button_release));
 315         shuttle_box.signal_scroll_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_scroll));
 316         shuttle_box.signal_motion_notify_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_motion));
 317         shuttle_box.signal_expose_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_expose));
 318
 319         /* clocks, etc. */
 320
 321         ARDOUR_UI::Clock.connect (bind (mem_fun (primary_clock, &AudioClock::set), false));
 322         ARDOUR_UI::Clock.connect (bind (mem_fun (secondary_clock, &AudioClock::set), false));
 323
 324         primary_clock.set_mode (AudioClock::SMPTE);
 325         secondary_clock.set_mode (AudioClock::BBT);
 326
 327         primary_clock.ValueChanged.connect (mem_fun(*this, &ARDOUR_UI::primary_clock_value_changed));
 328         secondary_clock.ValueChanged.connect (mem_fun(*this, &ARDOUR_UI::secondary_clock_value_changed));
 329
 330         ARDOUR_UI::instance()->tooltips().set_tip (primary_clock, _("Primary clock"));
 331         ARDOUR_UI::instance()->tooltips().set_tip (secondary_clock, _("secondary clock"));
 332
 333         ActionManager::get_action ("Transport", "ToggleAutoReturn")->connect_proxy (auto_return_button);
 334         ActionManager::get_action ("Transport", "ToggleAutoPlay")->connect_proxy (auto_play_button);
 335         ActionManager::get_action ("Transport", "ToggleAutoInput")->connect_proxy (auto_input_button);
 336         ActionManager::get_action ("Transport", "ToggleClick")->connect_proxy (click_button);
 337         ActionManager::get_action ("Transport", "TogglePunchIn")->connect_proxy (punch_in_button);
 338         ActionManager::get_action ("Transport", "TogglePunchOut")->connect_proxy (punch_out_button);
 339
 340         preroll_button.unset_flags (CAN_FOCUS);
 341         preroll_button.set_events (preroll_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
 342         preroll_button.set_name ("TransportButton");
 343
 344         postroll_button.unset_flags (CAN_FOCUS);
 345         postroll_button.set_events (postroll_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
 346         postroll_button.set_name ("TransportButton");
 347
 348         preroll_clock.set_mode (AudioClock::MinSec);
 349         preroll_clock.set_name ("TransportClockDisplay");
 350         postroll_clock.set_mode (AudioClock::MinSec);
 351         postroll_clock.set_name ("TransportClockDisplay");
 352
 353         /* alerts */
 354
 355         /* CANNOT bind these to clicked or toggled, must use pressed or released */
 356
 357         solo_alert_button.set_name ("TransportSoloAlert");
 358         solo_alert_button.signal_pressed().connect (mem_fun(*this,&ARDOUR_UI::solo_alert_toggle));
 359         auditioning_alert_button.set_name ("TransportAuditioningAlert");
 360         auditioning_alert_button.signal_pressed().connect (mem_fun(*this,&ARDOUR_UI::audition_alert_toggle));
 361
 362         alert_box.pack_start (solo_alert_button);
 363         alert_box.pack_start (auditioning_alert_button);
 364
 365         transport_tearoff_hbox.set_border_width (4);
 366
 367         transport_tearoff_hbox.pack_start (goto_start_button, false, false);
 368         transport_tearoff_hbox.pack_start (goto_end_button, false, false);
 369
 370         Frame* sframe = manage (new Frame);
 371         VBox*  svbox = manage (new VBox);
 372         HBox*  shbox = manage (new HBox);
 373
 374         sframe->set_shadow_type (SHADOW_IN);
 375         sframe->add (shuttle_box);
 376
 377         shuttle_box.set_name (X_("ShuttleControl"));
 378
 379         speed_display_box.add (speed_display_label);
 380         speed_display_box.set_name (X_("ShuttleDisplay"));
 381
 382         shuttle_units_button.set_name (X_("ShuttleButton"));
 383         shuttle_units_button.signal_clicked().connect (mem_fun(*this, &ARDOUR_UI::shuttle_unit_clicked));
 384
 385         shuttle_style_button.set_name (X_("ShuttleButton"));
 386
 387         vector<string> shuttle_strings;
 388         shuttle_strings.push_back (_("sprung"));
 389         shuttle_strings.push_back (_("wheel"));
 390         set_popdown_strings (shuttle_style_button, shuttle_strings);
 391         shuttle_style_button.signal_changed().connect (mem_fun (*this, &ARDOUR_UI::shuttle_style_changed));
 392
 393         Frame* sdframe = manage (new Frame);
 394
 395         sdframe->set_shadow_type (SHADOW_IN);
 396         sdframe->add (speed_display_box);
 397
 398         mtc_port_changed ();
 399         sync_option_combo.set_active_text (positional_sync_strings.front());
 400         sync_option_combo.signal_changed().connect (mem_fun (*this, &ARDOUR_UI::sync_option_changed));
 401
 402         shbox->pack_start (*sdframe, false, false);
 403         shbox->pack_start (shuttle_units_button, true, true);
 404         shbox->pack_start (shuttle_style_button, false, false);
 405
 406         svbox->pack_start (*sframe, false, false);
 407         svbox->pack_start (*shbox, false, false);
 408
 409         transport_tearoff_hbox.pack_start (*svbox, false, false, 5);
 410
 411         transport_tearoff_hbox.pack_start (auto_loop_button, false, false);
 412         transport_tearoff_hbox.pack_start (play_selection_button, false, false);
 413         transport_tearoff_hbox.pack_start (roll_button, false, false);
 414         transport_tearoff_hbox.pack_start (stop_button, false, false);
 415         transport_tearoff_hbox.pack_start (rec_button, false, false, 8);
 416
 417         HBox* clock_box = manage (new HBox);
 418         clock_box->pack_start (primary_clock, false, false);
 419         clock_box->pack_start (secondary_clock, false, false);
 420         VBox* time_controls_box = manage (new VBox);
 421         time_controls_box->pack_start (sync_option_combo, false, false);
 422         time_controls_box->pack_start (time_master_button, false, false);
 423         clock_box->pack_start (*time_controls_box, false, false, 2);
 424         transport_tearoff_hbox.pack_start (*clock_box, false, false, 4);
 425
 426         VBox* punch_box = manage (new VBox);
 427         punch_box->pack_start (punch_in_button, false, false);
 428         punch_box->pack_start (punch_out_button, false, false);
 429         transport_tearoff_hbox.pack_start (*punch_box, false, false);
 430
 431         VBox* auto_box = manage (new VBox);
 432         auto_box->pack_start (auto_play_button, false, false);
 433         auto_box->pack_start (auto_return_button, false, false);
 434         transport_tearoff_hbox.pack_start (*auto_box, false, false);
 435
 436         VBox* io_box = manage (new VBox);
 437         io_box->pack_start (auto_input_button, false, false);
 438         io_box->pack_start (click_button, false, false);
 439         transport_tearoff_hbox.pack_start (*io_box, false, false);
 440
 441         /* desensitize */
 442
 443         set_transport_sensitivity (false);
 444
 445 //      transport_tearoff_hbox.pack_start (preroll_button, false, false);
 446 //      transport_tearoff_hbox.pack_start (preroll_clock, false, false);
 447
 448 //      transport_tearoff_hbox.pack_start (postroll_button, false, false);
 449 //      transport_tearoff_hbox.pack_start (postroll_clock, false, false);
 450
 451         transport_tearoff_hbox.pack_start (alert_box, false, false, 5);
 452 }
 453
 454 void
 455 ARDOUR_UI::setup_clock ()
 456 {
 457         ARDOUR_UI::Clock.connect (bind (mem_fun (big_clock, &AudioClock::set), false));
 458
 459         big_clock_window = new Window (WINDOW_TOPLEVEL);
 460
 461         big_clock_window->set_border_width (0);
 462         big_clock_window->add  (big_clock);
 463         big_clock_window->set_title (_("ardour: clock"));
 464         big_clock_window->set_type_hint (Gdk::WINDOW_TYPE_HINT_MENU);
 465         big_clock_window->signal_realize().connect (bind (sigc::ptr_fun (set_decoration), big_clock_window,  (Gdk::DECOR_BORDER|Gdk::DECOR_RESIZEH)));
 466         big_clock_window->signal_unmap().connect (bind (sigc::ptr_fun(&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/ToggleBigClock")));
 467
 468         manage_window (*big_clock_window);
 469 }
 470
 471 void
 472 ARDOUR_UI::manage_window (Window& win)
 473 {
 474         win.signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), &win));
 475         win.signal_enter_notify_event().connect (bind (mem_fun (Keyboard::the_keyboard(), &Keyboard::enter_window), &win));
 476         win.signal_leave_notify_event().connect (bind (mem_fun (Keyboard::the_keyboard(), &Keyboard::leave_window), &win));
 477 }
 478
 479 void
 480 ARDOUR_UI::detach_tearoff (Box* b, Widget* w)
 481 {
 482 //      editor->ensure_float (transport_tearoff->tearoff_window());
 483         b->remove (*w);
 484 }
 485
 486 void
 487 ARDOUR_UI::reattach_tearoff (Box* b, Widget* w, int32_t n)
 488 {
 489         b->pack_start (*w);
 490         b->reorder_child (*w, n);
 491 }
 492
 493 void
 494 ARDOUR_UI::soloing_changed (bool onoff)
 495 {
 496         if (solo_alert_button.get_active() != onoff) {
 497                 solo_alert_button.set_active (onoff);
 498         }
 499 }
 500
 501 void
 502 ARDOUR_UI::_auditioning_changed (bool onoff)
 503 {
 504         if (auditioning_alert_button.get_active() != onoff) {
 505                 auditioning_alert_button.set_active (onoff);
 506                 set_transport_sensitivity (!onoff);
 507         }
 508 }
 509
 510 void
 511 ARDOUR_UI::auditioning_changed (bool onoff)
 512 {
 513         Gtkmm2ext::UI::instance()->call_slot(bind (mem_fun(*this, &ARDOUR_UI::_auditioning_changed), onoff));
 514 }
 515
 516 void
 517 ARDOUR_UI::audition_alert_toggle ()
 518 {
 519         if (session) {
 520                 session->cancel_audition();
 521         }
 522 }
 523
 524 void
 525 ARDOUR_UI::solo_alert_toggle ()
 526 {
 527         if (session) {
 528                 session->set_all_solo (!session->soloing());
 529         }
 530 }
 531
 532 void
 533 ARDOUR_UI::solo_blink (bool onoff)
 534 {
 535         if (session == 0) {
 536                 return;
 537         }
 538
 539         if (session->soloing()) {
 540                 if (onoff) {
 541                         solo_alert_button.set_state (STATE_ACTIVE);
 542                 } else {
 543                         solo_alert_button.set_state (STATE_NORMAL);
 544                 }
 545         } else {
 546                 solo_alert_button.set_active (false);
 547                 solo_alert_button.set_state (STATE_NORMAL);
 548         }
 549 }
 550
 551 void
 552 ARDOUR_UI::audition_blink (bool onoff)
 553 {
 554         if (session == 0) {
 555                 return;
 556         }
 557
 558         if (session->is_auditioning()) {
 559                 if (onoff) {
 560                         auditioning_alert_button.set_state (STATE_ACTIVE);
 561                 } else {
 562                         auditioning_alert_button.set_state (STATE_NORMAL);
 563                 }
 564         } else {
 565                 auditioning_alert_button.set_active (false);
 566                 auditioning_alert_button.set_state (STATE_NORMAL);
 567         }
 568 }
 569
 570 void
 571 ARDOUR_UI::build_shuttle_context_menu ()
 572 {
 573         using namespace Menu_Helpers;
 574
 575         shuttle_context_menu = new Menu();
 576         MenuList& items = shuttle_context_menu->items();
 577
 578         Menu* speed_menu = manage (new Menu());
 579         MenuList& speed_items = speed_menu->items();
 580
 581         RadioMenuItem::Group group;
 582
 583         speed_items.push_back (RadioMenuElem (group, "8", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 8.0f)));
 584         if (shuttle_max_speed == 8.0) {
 585                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 586         }
 587         speed_items.push_back (RadioMenuElem (group, "6", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 6.0f)));
 588         if (shuttle_max_speed == 6.0) {
 589                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 590         }
 591         speed_items.push_back (RadioMenuElem (group, "4", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 4.0f)));
 592         if (shuttle_max_speed == 4.0) {
 593                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 594         }
 595         speed_items.push_back (RadioMenuElem (group, "3", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 3.0f)));
 596         if (shuttle_max_speed == 3.0) {
 597                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 598         }
 599         speed_items.push_back (RadioMenuElem (group, "2", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 2.0f)));
 600         if (shuttle_max_speed == 2.0) {
 601                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 602         }
 603         speed_items.push_back (RadioMenuElem (group, "1.5", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 1.5f)));
 604         if (shuttle_max_speed == 1.5) {
 605                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 606         }
 607
 608         items.push_back (MenuElem (_("Maximum speed"), *speed_menu));
 609 }
 610
 611 void
 612 ARDOUR_UI::show_shuttle_context_menu ()
 613 {
 614         if (shuttle_context_menu == 0) {
 615                 build_shuttle_context_menu ();
 616         }
 617
 618         shuttle_context_menu->popup (1, 0);
 619 }
 620
 621 void
 622 ARDOUR_UI::set_shuttle_max_speed (float speed)
 623 {
 624         shuttle_max_speed = speed;
 625 }
 626
 627 gint
 628 ARDOUR_UI::shuttle_box_button_press (GdkEventButton* ev)
 629 {
 630         if (!session) {
 631                 return true;
 632         }
 633
 634         if (Keyboard::is_context_menu_event (ev)) {
 635                 show_shuttle_context_menu ();
 636                 return true;
 637         }
 638
 639         switch (ev->button) {
 640         case 1:
 641                 shuttle_box.add_modal_grab ();
 642                 shuttle_grabbed = true;
 643                 mouse_shuttle (ev->x, true);
 644                 break;
 645
 646         case 2:
 647         case 3:
 648                 return true;
 649                 break;
 650         }
 651
 652         return true;
 653 }
 654
 655 gint
 656 ARDOUR_UI::shuttle_box_button_release (GdkEventButton* ev)
 657 {
 658         if (!session) {
 659                 return true;
 660         }
 661
 662         switch (ev->button) {
 663         case 1:
 664                 mouse_shuttle (ev->x, true);
 665                 shuttle_grabbed = false;
 666                 shuttle_box.remove_modal_grab ();
 667                 if (shuttle_behaviour == Sprung) {
 668                         if (session->get_auto_play() || roll_button.get_state()) {
 669                                 shuttle_fract = SHUTTLE_FRACT_SPEED1;
 670                                 session->request_transport_speed (1.0);
 671                                 stop_button.set_active (false);
 672                                 roll_button.set_active (true);
 673                         } else {
 674                                 shuttle_fract = 0;
 675                                 session->request_transport_speed (0.0);
 676                         }
 677                         shuttle_box.queue_draw ();
 678                 }
 679                 return true;
 680
 681         case 2:
 682                 if (session->transport_rolling()) {
 683                         shuttle_fract = SHUTTLE_FRACT_SPEED1;
 684                         session->request_transport_speed (1.0);
 685                         stop_button.set_active (false);
 686                         roll_button.set_active (true);
 687                 } else {
 688                         shuttle_fract = 0;
 689                 }
 690                 shuttle_box.queue_draw ();
 691                 return true;
 692
 693         case 3:
 694                 return true;
 695
 696         case 4:
 697                 shuttle_fract += 0.005;
 698                 break;
 699         case 5:
 700                 shuttle_fract -= 0.005;
 701                 break;
 702         }
 703
 704         use_shuttle_fract (true);
 705
 706         return true;
 707 }
 708
 709 gint
 710 ARDOUR_UI::shuttle_box_scroll (GdkEventScroll* ev)
 711 {
 712         if (!session) {
 713                 return true;
 714         }
 715
 716         switch (ev->direction) {
 717
 718         case GDK_SCROLL_UP:
 719                 shuttle_fract += 0.005;
 720                 break;
 721         case GDK_SCROLL_DOWN:
 722                 shuttle_fract -= 0.005;
 723                 break;
 724         default:
 725                 /* scroll left/right */
 726                 return false;
 727         }
 728
 729         use_shuttle_fract (true);
 730
 731         return true;
 732 }
 733
 734 gint
 735 ARDOUR_UI::shuttle_box_motion (GdkEventMotion* ev)
 736 {
 737         if (!session || !shuttle_grabbed) {
 738                 return true;
 739         }
 740
 741         return mouse_shuttle (ev->x, false);
 742 }
 743
 744 gint
 745 ARDOUR_UI::mouse_shuttle (double x, bool force)
 746 {
 747         double half_width = shuttle_box.get_width() / 2.0;
 748         double distance = x - half_width;
 749
 750         if (distance > 0) {
 751                 distance = min (distance, half_width);
 752         } else {
 753                 distance = max (distance, -half_width);
 754         }
 755
 756         shuttle_fract = distance / half_width;
 757         use_shuttle_fract (force);
 758         return true;
 759 }
 760
 761 void
 762 ARDOUR_UI::use_shuttle_fract (bool force)
 763 {
 764         struct timeval now;
 765         struct timeval diff;
 766
 767         /* do not attempt to submit a motion-driven transport speed request
 768            more than once per process cycle.
 769          */
 770
 771         gettimeofday (&now, 0);
 772         timersub (&now, &last_shuttle_request, &diff);
 773
 774         if (!force && (diff.tv_usec + (diff.tv_sec * 1000000)) < engine->usecs_per_cycle()) {
 775                 return;
 776         }
 777
 778         last_shuttle_request = now;
 779
 780         bool neg = (shuttle_fract < 0.0);
 781
 782         double fract = 1 - sqrt (1 - (shuttle_fract * shuttle_fract)); // Formula A1
 783
 784         if (neg) {
 785                 fract = -fract;
 786         }
 787
 788         session->request_transport_speed (shuttle_max_speed * fract); // Formula A2
 789         shuttle_box.queue_draw ();
 790 }
 791
 792 gint
 793 ARDOUR_UI::shuttle_box_expose (GdkEventExpose* event)
 794 {
 795         gint x;
 796         Glib::RefPtr<Gdk::Window> win (shuttle_box.get_window());
 797
 798         /* redraw the background */
 799
 800         win->draw_rectangle (shuttle_box.get_style()->get_bg_gc (shuttle_box.get_state()),
 801                              true,
 802                              event->area.x, event->area.y,
 803                              event->area.width, event->area.height);
 804
 805
 806         x = (gint) floor ((shuttle_box.get_width() / 2.0) + (0.5 * (shuttle_box.get_width() * shuttle_fract)));
 807
 808         /* draw line */
 809
 810         win->draw_line (shuttle_box.get_style()->get_fg_gc (shuttle_box.get_state()),
 811                         x,
 812                         0,
 813                         x,
 814                         shuttle_box.get_height());
 815         return true;
 816 }
 817
 818 void
 819 ARDOUR_UI::shuttle_unit_clicked ()
 820 {
 821         if (shuttle_unit_menu == 0) {
 822                 shuttle_unit_menu = dynamic_cast<Menu*> (ActionManager::get_widget ("/ShuttleUnitPopup"));
 823         }
 824         shuttle_unit_menu->popup (1, 0);
 825 }
 826
 827 void
 828 ARDOUR_UI::set_shuttle_units (ShuttleUnits u)
 829 {
 830         switch ((shuttle_units = u)) {
 831         case Percentage:
 832                 shuttle_units_button.set_label("% ");
 833                 break;
 834         case Semitones:
 835                 shuttle_units_button.set_label(_("st"));
 836                 break;
 837         }
 838 }
 839
 840 void
 841 ARDOUR_UI::shuttle_style_changed ()
 842 {
 843         ustring str = shuttle_style_button.get_active_text ();
 844
 845         if (str == _("sprung")) {
 846                 set_shuttle_behaviour (Sprung);
 847         } else if (str == _("wheel")) {
 848                 set_shuttle_behaviour (Wheel);
 849         }
 850 }
 851
 852
 853 void
 854 ARDOUR_UI::set_shuttle_behaviour (ShuttleBehaviour b)
 855 {
 856         switch ((shuttle_behaviour = b)) {
 857         case Sprung:
 858                 shuttle_style_button.set_active_text (_("sprung"));
 859                 shuttle_fract = 0.0;
 860                 shuttle_box.queue_draw ();
 861                 if (session) {
 862                         if (session->transport_rolling()) {
 863                                 shuttle_fract = SHUTTLE_FRACT_SPEED1;
 864                                 session->request_transport_speed (1.0);
 865                         }
 866                 }
 867                 break;
 868         case Wheel:
 869                 shuttle_style_button.set_active_text (_("wheel"));
 870                 break;
 871         }
 872 }
 873
 874 void
 875 ARDOUR_UI::update_speed_display ()
 876 {
 877         if (!session) {
 878                 if (last_speed_displayed != 0) {
 879                         speed_display_label.set_text (_("stopped"));
 880                         last_speed_displayed = 0;
 881                 }
 882                 return;
 883         }
 884
 885         char buf[32];
 886         float x = session->transport_speed ();
 887
 888         if (x != last_speed_displayed) {
 889
 890                 if (x != 0) {
 891                         if (shuttle_units == Percentage) {
 892                                 snprintf (buf, sizeof (buf), "%.4f", x);
 893                         } else {
 894                                 if (x < 0) {
 895                                         snprintf (buf, sizeof (buf), "< %.1f", 12.0 * fast_log2 (-x));
 896                                 } else {
 897                                         snprintf (buf, sizeof (buf), "> %.1f", 12.0 * fast_log2 (x));
 898                                 }
 899                         }
 900                         speed_display_label.set_text (buf);
 901                 } else {
 902                         speed_display_label.set_text (_("stopped"));
 903                 }
 904
 905                 last_speed_displayed = x;
 906         }
 907 }
 908
 909 void
 910 ARDOUR_UI::set_transport_sensitivity (bool yn)
 911 {
 912         ActionManager::set_sensitive (ActionManager::transport_sensitive_actions, yn);
 913         shuttle_box.set_sensitive (yn);
 914 }
 915
 916 void
 917 ARDOUR_UI::editor_realized ()
 918 {
 919         set_size_request_to_display_given_text (speed_display_box, _("stopped"), 2, 2);
 920         /* XXX: this should really be saved in instant.xml or something similar and restored from there */
 921         shuttle_style_button.set_active_text (_("sprung"));
 922         const guint32 FUDGE = 20; // Combo's are stupid - they steal space from the entry for the button
 923         set_size_request_to_display_given_text (shuttle_style_button, _("sprung"), 2+FUDGE, 10);
 924 }
 925
 926 void
 927 ARDOUR_UI::sync_option_changed ()
 928 {
 929         string which;
 930
 931         if (session == 0) {
 932                 return;
 933         }
 934
 935         which = sync_option_combo.get_active_text();
 936
 937         if (which == positional_sync_strings[Session::None]) {
 938                 session->request_slave_source (Session::None);
 939         } else if (which == positional_sync_strings[Session::MTC]) {
 940                 session->request_slave_source (Session::MTC);
 941         } else if (which == positional_sync_strings[Session::JACK]) {
 942                 session->request_slave_source (Session::JACK);
 943         }
 944 }
 945
 946 void
 947 ARDOUR_UI::maximise_editing_space ()
 948 {
 949         if (!editor) {
 950                 return;
 951         }
 952
 953         transport_tearoff->set_visible (false);
 954         editor->maximise_editing_space ();
 955 }
 956
 957 void
 958 ARDOUR_UI::restore_editing_space ()
 959 {
 960         if (!editor) {
 961                 return;
 962         }
 963
 964         transport_tearoff->set_visible (true);
 965         editor->restore_editing_space ();
 966 }