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/pix.h>
  33 #include <gtkmm2ext/utils.h>
  34 #include <gtkmm2ext/click_box.h>
  35 #include <gtkmm2ext/tearoff.h>
  36
  37 #include <ardour/audioengine.h>
  38 #include <ardour/ardour.h>
  39 #include <ardour/route.h>
  40
  41 #include "ardour_ui.h"
  42 #include "public_editor.h"
  43 #include "audio_clock.h"
  44 #include "actions.h"
  45 #include "utils.h"
  46
  47 #include "i18n.h"
  48
  49 using namespace std;
  50 using namespace ARDOUR;
  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);
 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_motion_notify_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_motion));
 316         shuttle_box.signal_expose_event().connect (mem_fun(*this, &ARDOUR_UI::shuttle_box_expose));
 317
 318         /* clocks, etc. */
 319
 320         ARDOUR_UI::Clock.connect (bind (mem_fun (primary_clock, &AudioClock::set), false));
 321         ARDOUR_UI::Clock.connect (bind (mem_fun (secondary_clock, &AudioClock::set), false));
 322
 323         primary_clock.set_mode (AudioClock::SMPTE);
 324         secondary_clock.set_mode (AudioClock::BBT);
 325
 326         primary_clock.ValueChanged.connect (mem_fun(*this, &ARDOUR_UI::primary_clock_value_changed));
 327         secondary_clock.ValueChanged.connect (mem_fun(*this, &ARDOUR_UI::secondary_clock_value_changed));
 328
 329         ARDOUR_UI::instance()->tooltips().set_tip (primary_clock, _("Primary clock"));
 330         ARDOUR_UI::instance()->tooltips().set_tip (secondary_clock, _("secondary clock"));
 331
 332         ActionManager::get_action ("Transport", "ToggleAutoReturn")->connect_proxy (auto_return_button);
 333         ActionManager::get_action ("Transport", "ToggleAutoPlay")->connect_proxy (auto_play_button);
 334         ActionManager::get_action ("Transport", "ToggleAutoInput")->connect_proxy (auto_input_button);
 335         ActionManager::get_action ("Transport", "ToggleClick")->connect_proxy (click_button);
 336         ActionManager::get_action ("Transport", "TogglePunchIn")->connect_proxy (punch_in_button);
 337         ActionManager::get_action ("Transport", "TogglePunchOut")->connect_proxy (punch_out_button);
 338
 339         preroll_button.unset_flags (CAN_FOCUS);
 340         preroll_button.set_events (preroll_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
 341         preroll_button.set_name ("TransportButton");
 342
 343         postroll_button.unset_flags (CAN_FOCUS);
 344         postroll_button.set_events (postroll_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
 345         postroll_button.set_name ("TransportButton");
 346
 347         preroll_clock.set_mode (AudioClock::MinSec);
 348         preroll_clock.set_name ("TransportClockDisplay");
 349         postroll_clock.set_mode (AudioClock::MinSec);
 350         postroll_clock.set_name ("TransportClockDisplay");
 351
 352         /* alerts */
 353
 354         /* CANNOT bind these to clicked or toggled, must use pressed or released */
 355
 356         solo_alert_button.set_name ("TransportSoloAlert");
 357         solo_alert_button.signal_pressed().connect (mem_fun(*this,&ARDOUR_UI::solo_alert_toggle));
 358         auditioning_alert_button.set_name ("TransportAuditioningAlert");
 359         auditioning_alert_button.signal_pressed().connect (mem_fun(*this,&ARDOUR_UI::audition_alert_toggle));
 360
 361         alert_box.pack_start (solo_alert_button);
 362         alert_box.pack_start (auditioning_alert_button);
 363
 364         transport_tearoff_hbox.set_border_width (5);
 365
 366         transport_tearoff_hbox.pack_start (goto_start_button, false, false);
 367         transport_tearoff_hbox.pack_start (goto_end_button, false, false);
 368
 369         Frame* sframe = manage (new Frame);
 370         VBox*  svbox = manage (new VBox);
 371         HBox*  shbox = manage (new HBox);
 372
 373         sframe->set_shadow_type (SHADOW_IN);
 374         sframe->add (shuttle_box);
 375
 376         shuttle_box.set_name (X_("ShuttleControl"));
 377
 378         speed_display_box.add (speed_display_label);
 379         speed_display_box.set_name (X_("ShuttleDisplay"));
 380
 381         shuttle_units_button.set_name (X_("ShuttleButton"));
 382         shuttle_units_button.signal_clicked().connect (mem_fun(*this, &ARDOUR_UI::shuttle_unit_clicked));
 383
 384         shuttle_style_button.set_name (X_("ShuttleButton"));
 385
 386         vector<string> shuttle_strings;
 387         shuttle_strings.push_back (_("sprung"));
 388         shuttle_strings.push_back (_("wheel"));
 389         set_popdown_strings (shuttle_style_button, shuttle_strings);
 390         shuttle_style_button.signal_changed().connect (mem_fun (*this, &ARDOUR_UI::shuttle_style_changed));
 391
 392         Frame* sdframe = manage (new Frame);
 393
 394         sdframe->set_shadow_type (SHADOW_IN);
 395         sdframe->add (speed_display_box);
 396
 397         mtc_port_changed ();
 398         sync_option_combo.set_active_text (positional_sync_strings.front());
 399         sync_option_combo.signal_changed().connect (mem_fun (*this, &ARDOUR_UI::sync_option_changed));
 400
 401         shbox->pack_start (*sdframe, false, false);
 402         shbox->pack_start (shuttle_units_button, true, true);
 403         shbox->pack_start (shuttle_style_button, false, false);
 404
 405         svbox->pack_start (*sframe, false, false);
 406         svbox->pack_start (*shbox, false, false);
 407
 408         transport_tearoff_hbox.pack_start (*svbox, false, false, 5);
 409
 410         transport_tearoff_hbox.pack_start (auto_loop_button, false, false);
 411         transport_tearoff_hbox.pack_start (play_selection_button, false, false);
 412         transport_tearoff_hbox.pack_start (roll_button, false, false);
 413         transport_tearoff_hbox.pack_start (stop_button, false, false);
 414         transport_tearoff_hbox.pack_start (rec_button, false, false, 10);
 415
 416         transport_tearoff_hbox.pack_start (primary_clock, false, false, 5);
 417         transport_tearoff_hbox.pack_start (secondary_clock, false, false, 5);
 418
 419         transport_tearoff_hbox.pack_start (sync_option_combo, false, false);
 420         transport_tearoff_hbox.pack_start (time_master_button, false, false);
 421         transport_tearoff_hbox.pack_start (punch_in_button, false, false);
 422         transport_tearoff_hbox.pack_start (punch_out_button, false, false);
 423         transport_tearoff_hbox.pack_start (auto_input_button, false, false);
 424         transport_tearoff_hbox.pack_start (auto_return_button, false, false);
 425         transport_tearoff_hbox.pack_start (auto_play_button, false, false);
 426         transport_tearoff_hbox.pack_start (click_button, false, false);
 427
 428         /* desensitize */
 429
 430         set_transport_sensitivity (false);
 431
 432 //      transport_tearoff_hbox.pack_start (preroll_button, false, false);
 433 //      transport_tearoff_hbox.pack_start (preroll_clock, false, false);
 434
 435 //      transport_tearoff_hbox.pack_start (postroll_button, false, false);
 436 //      transport_tearoff_hbox.pack_start (postroll_clock, false, false);
 437
 438         transport_tearoff_hbox.pack_start (alert_box, false, false, 5);
 439 }
 440
 441 void
 442 ARDOUR_UI::setup_clock ()
 443 {
 444         ARDOUR_UI::Clock.connect (bind (mem_fun (big_clock, &AudioClock::set), false));
 445
 446         big_clock_window = new Window (WINDOW_TOPLEVEL);
 447
 448         big_clock_window->set_border_width (0);
 449         big_clock_window->add  (big_clock);
 450         big_clock_window->set_title (_("ardour: clock"));
 451         big_clock_window->set_type_hint (Gdk::WINDOW_TYPE_HINT_MENU);
 452         big_clock_window->signal_realize().connect (bind (sigc::ptr_fun (set_decoration), big_clock_window,  (Gdk::DECOR_BORDER|Gdk::DECOR_RESIZEH)));
 453         big_clock_window->signal_unmap().connect (bind (sigc::ptr_fun(&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/ToggleBigClock")));
 454
 455         manage_window (*big_clock_window);
 456 }
 457
 458 void
 459 ARDOUR_UI::manage_window (Window& win)
 460 {
 461         win.signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), &win));
 462         win.signal_enter_notify_event().connect (bind (mem_fun (Keyboard::the_keyboard(), &Keyboard::enter_window), &win));
 463         win.signal_leave_notify_event().connect (bind (mem_fun (Keyboard::the_keyboard(), &Keyboard::leave_window), &win));
 464 }
 465
 466 void
 467 ARDOUR_UI::detach_tearoff (Box* b, Widget* w)
 468 {
 469 //      editor->ensure_float (transport_tearoff->tearoff_window());
 470         b->remove (*w);
 471 }
 472
 473 void
 474 ARDOUR_UI::reattach_tearoff (Box* b, Widget* w, int32_t n)
 475 {
 476         b->pack_start (*w);
 477         b->reorder_child (*w, n);
 478 }
 479
 480 void
 481 ARDOUR_UI::soloing_changed (bool onoff)
 482 {
 483         if (solo_alert_button.get_active() != onoff) {
 484                 solo_alert_button.set_active (onoff);
 485         }
 486 }
 487
 488 void
 489 ARDOUR_UI::_auditioning_changed (bool onoff)
 490 {
 491         if (auditioning_alert_button.get_active() != onoff) {
 492                 auditioning_alert_button.set_active (onoff);
 493                 set_transport_sensitivity (!onoff);
 494         }
 495 }
 496
 497 void
 498 ARDOUR_UI::auditioning_changed (bool onoff)
 499 {
 500         Gtkmm2ext::UI::instance()->call_slot(bind (mem_fun(*this, &ARDOUR_UI::_auditioning_changed), onoff));
 501 }
 502
 503 void
 504 ARDOUR_UI::audition_alert_toggle ()
 505 {
 506         if (session) {
 507                 session->cancel_audition();
 508         }
 509 }
 510
 511 void
 512 ARDOUR_UI::solo_alert_toggle ()
 513 {
 514         if (session) {
 515                 session->set_all_solo (!session->soloing());
 516         }
 517 }
 518
 519 void
 520 ARDOUR_UI::solo_blink (bool onoff)
 521 {
 522         if (session == 0) {
 523                 return;
 524         }
 525
 526         if (session->soloing()) {
 527                 if (onoff) {
 528                         solo_alert_button.set_state (STATE_ACTIVE);
 529                 } else {
 530                         solo_alert_button.set_state (STATE_NORMAL);
 531                 }
 532         } else {
 533                 solo_alert_button.set_active (false);
 534                 solo_alert_button.set_state (STATE_NORMAL);
 535         }
 536 }
 537
 538 void
 539 ARDOUR_UI::audition_blink (bool onoff)
 540 {
 541         if (session == 0) {
 542                 return;
 543         }
 544
 545         if (session->is_auditioning()) {
 546                 if (onoff) {
 547                         auditioning_alert_button.set_state (STATE_ACTIVE);
 548                 } else {
 549                         auditioning_alert_button.set_state (STATE_NORMAL);
 550                 }
 551         } else {
 552                 auditioning_alert_button.set_active (false);
 553                 auditioning_alert_button.set_state (STATE_NORMAL);
 554         }
 555 }
 556
 557 void
 558 ARDOUR_UI::build_shuttle_context_menu ()
 559 {
 560         using namespace Menu_Helpers;
 561
 562         shuttle_context_menu = new Menu();
 563         MenuList& items = shuttle_context_menu->items();
 564
 565         Menu* speed_menu = manage (new Menu());
 566         MenuList& speed_items = speed_menu->items();
 567
 568         RadioMenuItem::Group group;
 569
 570         speed_items.push_back (RadioMenuElem (group, "8", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 8.0f)));
 571         if (shuttle_max_speed == 8.0) {
 572                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 573         }
 574         speed_items.push_back (RadioMenuElem (group, "6", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 6.0f)));
 575         if (shuttle_max_speed == 6.0) {
 576                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 577         }
 578         speed_items.push_back (RadioMenuElem (group, "4", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 4.0f)));
 579         if (shuttle_max_speed == 4.0) {
 580                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 581         }
 582         speed_items.push_back (RadioMenuElem (group, "3", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 3.0f)));
 583         if (shuttle_max_speed == 3.0) {
 584                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 585         }
 586         speed_items.push_back (RadioMenuElem (group, "2", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 2.0f)));
 587         if (shuttle_max_speed == 2.0) {
 588                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 589         }
 590         speed_items.push_back (RadioMenuElem (group, "1.5", bind (mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 1.5f)));
 591         if (shuttle_max_speed == 1.5) {
 592                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 593         }
 594
 595         items.push_back (MenuElem (_("Maximum speed"), *speed_menu));
 596 }
 597
 598 void
 599 ARDOUR_UI::show_shuttle_context_menu ()
 600 {
 601         if (shuttle_context_menu == 0) {
 602                 build_shuttle_context_menu ();
 603         }
 604
 605         shuttle_context_menu->popup (1, 0);
 606 }
 607
 608 void
 609 ARDOUR_UI::set_shuttle_max_speed (float speed)
 610 {
 611         shuttle_max_speed = speed;
 612 }
 613
 614 gint
 615 ARDOUR_UI::shuttle_box_button_press (GdkEventButton* ev)
 616 {
 617         if (!session) {
 618                 return true;
 619         }
 620
 621         if (Keyboard::is_context_menu_event (ev)) {
 622                 show_shuttle_context_menu ();
 623                 return true;
 624         }
 625
 626         switch (ev->button) {
 627         case 1:
 628                 shuttle_box.add_modal_grab ();
 629                 shuttle_grabbed = true;
 630                 mouse_shuttle (ev->x, true);
 631                 break;
 632
 633         case 2:
 634         case 3:
 635                 return true;
 636                 break;
 637         }
 638
 639         return true;
 640 }
 641
 642 gint
 643 ARDOUR_UI::shuttle_box_button_release (GdkEventButton* ev)
 644 {
 645         if (!session) {
 646                 return true;
 647         }
 648
 649         switch (ev->button) {
 650         case 1:
 651                 mouse_shuttle (ev->x, true);
 652                 shuttle_grabbed = false;
 653                 shuttle_box.remove_modal_grab ();
 654                 if (shuttle_behaviour == Sprung) {
 655                         shuttle_fract = SHUTTLE_FRACT_SPEED1;
 656                         session->request_transport_speed (1.0);
 657                         shuttle_box.queue_draw ();
 658                 }
 659                 return true;
 660
 661         case 2:
 662                 if (session->transport_rolling()) {
 663                         shuttle_fract = SHUTTLE_FRACT_SPEED1;
 664                         session->request_transport_speed (1.0);
 665                 } else {
 666                         shuttle_fract = 0;
 667                 }
 668                 shuttle_box.queue_draw ();
 669                 return true;
 670
 671         case 3:
 672                 return true;
 673
 674         case 4:
 675                 shuttle_fract += 0.005;
 676                 break;
 677         case 5:
 678                 shuttle_fract -= 0.005;
 679                 break;
 680         }
 681
 682         use_shuttle_fract (true);
 683
 684         return true;
 685 }
 686
 687 gint
 688 ARDOUR_UI::shuttle_box_motion (GdkEventMotion* ev)
 689 {
 690         if (!session || !shuttle_grabbed) {
 691                 return true;
 692         }
 693
 694         return mouse_shuttle (ev->x, false);
 695 }
 696
 697 gint
 698 ARDOUR_UI::mouse_shuttle (double x, bool force)
 699 {
 700         double half_width = shuttle_box.get_width() / 2.0;
 701         double distance = x - half_width;
 702
 703         if (distance > 0) {
 704                 distance = min (distance, half_width);
 705         } else {
 706                 distance = max (distance, -half_width);
 707         }
 708
 709         shuttle_fract = distance / half_width;
 710         use_shuttle_fract (force);
 711         return true;
 712 }
 713
 714 void
 715 ARDOUR_UI::use_shuttle_fract (bool force)
 716 {
 717         struct timeval now;
 718         struct timeval diff;
 719
 720         /* do not attempt to submit a motion-driven transport speed request
 721            more than once per process cycle.
 722          */
 723
 724         gettimeofday (&now, 0);
 725         timersub (&now, &last_shuttle_request, &diff);
 726
 727         if (!force && (diff.tv_usec + (diff.tv_sec * 1000000)) < engine->usecs_per_cycle()) {
 728                 return;
 729         }
 730
 731         last_shuttle_request = now;
 732
 733         bool neg = (shuttle_fract < 0.0);
 734
 735         double fract = 1 - sqrt (1 - (shuttle_fract * shuttle_fract)); // Formula A1
 736
 737         if (neg) {
 738                 fract = -fract;
 739         }
 740
 741         session->request_transport_speed (shuttle_max_speed * fract); // Formula A2
 742         shuttle_box.queue_draw ();
 743 }
 744
 745 gint
 746 ARDOUR_UI::shuttle_box_expose (GdkEventExpose* event)
 747 {
 748         gint x;
 749         Glib::RefPtr<Gdk::Window> win (shuttle_box.get_window());
 750
 751         /* redraw the background */
 752
 753         win->draw_rectangle (shuttle_box.get_style()->get_bg_gc (shuttle_box.get_state()),
 754                              true,
 755                              event->area.x, event->area.y,
 756                              event->area.width, event->area.height);
 757
 758
 759         x = (gint) floor ((shuttle_box.get_width() / 2.0) + (0.5 * (shuttle_box.get_width() * shuttle_fract)));
 760
 761         /* draw line */
 762
 763         win->draw_line (shuttle_box.get_style()->get_fg_gc (shuttle_box.get_state()),
 764                         x,
 765                         0,
 766                         x,
 767                         shuttle_box.get_height());
 768         return true;
 769 }
 770
 771 void
 772 ARDOUR_UI::shuttle_unit_clicked ()
 773 {
 774         if (shuttle_unit_menu == 0) {
 775                 shuttle_unit_menu = dynamic_cast<Menu*> (ActionManager::get_widget ("/ShuttleUnitPopup"));
 776         }
 777         shuttle_unit_menu->popup (1, 0);
 778 }
 779
 780 void
 781 ARDOUR_UI::set_shuttle_units (ShuttleUnits u)
 782 {
 783         switch ((shuttle_units = u)) {
 784         case Percentage:
 785                 static_cast<Label*>(shuttle_units_button.get_child())->set_text ("% ");
 786                 break;
 787         case Semitones:
 788                 static_cast<Label*>(shuttle_units_button.get_child())->set_text (_("st"));
 789                 break;
 790         }
 791 }
 792
 793 void
 794 ARDOUR_UI::shuttle_style_changed ()
 795 {
 796         ustring str = shuttle_style_button.get_active_text ();
 797
 798         if (str == _("sprung")) {
 799                 set_shuttle_behaviour (Sprung);
 800         } else if (str == _("wheel")) {
 801                 set_shuttle_behaviour (Wheel);
 802         }
 803 }
 804
 805
 806 void
 807 ARDOUR_UI::set_shuttle_behaviour (ShuttleBehaviour b)
 808 {
 809         switch ((shuttle_behaviour = b)) {
 810         case Sprung:
 811                 shuttle_style_button.set_active_text (_("sprung"));
 812                 shuttle_fract = 0.0;
 813                 shuttle_box.queue_draw ();
 814                 if (session) {
 815                         if (session->transport_rolling()) {
 816                                 shuttle_fract = SHUTTLE_FRACT_SPEED1;
 817                                 session->request_transport_speed (1.0);
 818                         }
 819                 }
 820                 break;
 821         case Wheel:
 822                 shuttle_style_button.set_active_text (_("wheel"));
 823                 break;
 824         }
 825 }
 826
 827 void
 828 ARDOUR_UI::update_speed_display ()
 829 {
 830         if (!session) {
 831                 if (last_speed_displayed != 0) {
 832                         speed_display_label.set_text (_("stopped"));
 833                         last_speed_displayed = 0;
 834                 }
 835                 return;
 836         }
 837
 838         char buf[32];
 839         float x = session->transport_speed ();
 840
 841         if (x != last_speed_displayed) {
 842
 843                 if (x != 0) {
 844                         if (shuttle_units == Percentage) {
 845                                 snprintf (buf, sizeof (buf), "%.4f", x);
 846                         } else {
 847                                 if (x < 0) {
 848                                         snprintf (buf, sizeof (buf), "< %.1f", 12.0 * fast_log2 (-x));
 849                                 } else {
 850                                         snprintf (buf, sizeof (buf), "> %.1f", 12.0 * fast_log2 (x));
 851                                 }
 852                         }
 853                         speed_display_label.set_text (buf);
 854                 } else {
 855                         speed_display_label.set_text (_("stopped"));
 856                 }
 857
 858                 last_speed_displayed = x;
 859         }
 860 }
 861
 862 void
 863 ARDOUR_UI::set_transport_sensitivity (bool yn)
 864 {
 865         ActionManager::set_sensitive (ActionManager::transport_sensitive_actions, yn);
 866         shuttle_box.set_sensitive (yn);
 867 }
 868
 869 void
 870 ARDOUR_UI::editor_realized ()
 871 {
 872         set_size_request_to_display_given_text (speed_display_box, _("stopped"), 2, 2);
 873         /* XXX: this should really be saved in instant.xml or something similar and restored from there */
 874         shuttle_style_button.set_active_text (_("sprung"));
 875         const guint32 FUDGE = 20; // Combo's are stupid - they steal space from the entry for the button
 876         set_size_request_to_display_given_text (shuttle_style_button, _("sprung"), 2+FUDGE, 10);
 877 }
 878
 879 void
 880 ARDOUR_UI::sync_option_changed ()
 881 {
 882         string which;
 883
 884         if (session == 0) {
 885                 return;
 886         }
 887
 888         which = sync_option_combo.get_active_text();
 889
 890         if (which == positional_sync_strings[Session::None]) {
 891                 session->request_slave_source (Session::None);
 892         } else if (which == positional_sync_strings[Session::MTC]) {
 893                 session->request_slave_source (Session::MTC);
 894         } else if (which == positional_sync_strings[Session::JACK]) {
 895                 session->request_slave_source (Session::JACK);
 896         }
 897 }
 898
 899 void
 900 ARDOUR_UI::maximise_editing_space ()
 901 {
 902         if (!editor) {
 903                 return;
 904         }
 905
 906         transport_tearoff->set_visible (false);
 907         editor->maximise_editing_space ();
 908 }
 909
 910 void
 911 ARDOUR_UI::restore_editing_space ()
 912 {
 913         if (!editor) {
 914                 return;
 915         }
 916
 917         transport_tearoff->set_visible (true);
 918         editor->restore_editing_space ();
 919 }