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 */
  19
  20 #include <fcntl.h>
  21 #include <signal.h>
  22 #include <unistd.h>
  23 #include <cerrno>
  24 #include <iostream>
  25 #include <cmath>
  26
  27 #include <sigc++/bind.h>
  28 #include "pbd/error.h"
  29 #include "pbd/basename.h"
  30 #include "pbd/fastlog.h"
  31 #include <gtkmm2ext/utils.h>
  32 #include <gtkmm2ext/click_box.h>
  33 #include <gtkmm2ext/tearoff.h>
  34
  35 #include "ardour/session.h"
  36 #include "ardour/audioengine.h"
  37 #include "ardour/ardour.h"
  38 #include "ardour/profile.h"
  39 #include "ardour/route.h"
  40
  41 #include "ardour_ui.h"
  42 #include "keyboard.h"
  43 #include "public_editor.h"
  44 #include "audio_clock.h"
  45 #include "actions.h"
  46 #include "utils.h"
  47 #include "theme_manager.h"
  48
  49 #include "i18n.h"
  50
  51 using namespace std;
  52 using namespace ARDOUR;
  53 using namespace PBD;
  54 using namespace Gtkmm2ext;
  55 using namespace Gtk;
  56 using namespace Glib;
  57
  58 int
  59 ARDOUR_UI::setup_windows ()
  60 {
  61         if (create_editor ()) {
  62                 error << _("UI: cannot setup editor") << endmsg;
  63                 return -1;
  64         }
  65
  66         if (create_mixer ()) {
  67                 error << _("UI: cannot setup mixer") << endmsg;
  68                 return -1;
  69         }
  70
  71         /* all other dialogs are created conditionally */
  72
  73         we_have_dependents ();
  74
  75         theme_manager->signal_unmap().connect (sigc::bind (sigc::ptr_fun(&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/ToggleThemeManager")));
  76
  77 #ifdef TOP_MENUBAR
  78         HBox* status_bar_packer = manage (new HBox);
  79         EventBox* status_bar_event_box = manage (new EventBox);
  80
  81         status_bar_event_box->add (status_bar_label);
  82         status_bar_event_box->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
  83         status_bar_label.set_size_request (300, -1);
  84         status_bar_packer->pack_start (*status_bar_event_box, true, true, 6);
  85         status_bar_packer->pack_start (error_log_button, false, false);
  86
  87         status_bar_label.show ();
  88         status_bar_event_box->show ();
  89         status_bar_packer->show ();
  90         error_log_button.show ();
  91
  92         error_log_button.signal_clicked().connect (mem_fun (*this, &UI::toggle_errors));
  93         status_bar_event_box->signal_button_press_event().connect (mem_fun (*this, &ARDOUR_UI::status_bar_button_press));
  94
  95         editor->get_status_bar_packer().pack_start (*status_bar_packer, true, true);
  96         editor->get_status_bar_packer().pack_start (menu_bar_base, false, false, 6);
  97 #else
  98         top_packer.pack_start (menu_bar_base, false, false);
  99 #endif
 100
 101         top_packer.pack_start (transport_frame, false, false);
 102
 103         editor->add_toplevel_controls (top_packer);
 104
 105         setup_clock ();
 106         setup_transport();
 107         build_menu_bar ();
 108
 109         setup_tooltips ();
 110
 111         return 0;
 112 }
 113
 114 void
 115 ARDOUR_UI::setup_tooltips ()
 116 {
 117         set_tip (roll_button, _("Play from playhead"));
 118         set_tip (stop_button, _("Stop playback"));
 119         set_tip (rec_button, _("Toggle record"));
 120         set_tip (play_selection_button, _("Play range/selection"));
 121         set_tip (join_play_range_button, _("Always play range/selection"));
 122         set_tip (goto_start_button, _("Go to start of session"));
 123         set_tip (goto_end_button, _("Go to end of session"));
 124         set_tip (auto_loop_button, _("Play loop range"));
 125
 126         set_tip (auto_return_button, _("Return to last playback start when stopped"));
 127         set_tip (auto_play_button, _("Start playback after any locate"));
 128         set_tip (auto_input_button, _("Be sensible about input monitoring"));
 129         set_tip (punch_in_button, _("Start recording at auto-punch start"));
 130         set_tip (punch_out_button, _("Stop recording at auto-punch end"));
 131         set_tip (click_button, _("Enable/Disable audio click"));
 132         set_tip (sync_button, _("Enable/Disable external positional sync"));
 133         set_tip (time_master_button, string_compose (_("Does %1 control the time?"), PROGRAM_NAME));
 134         set_tip (shuttle_box, _("Shuttle speed control"));
 135         set_tip (shuttle_units_button, _("Select semitones or %%-age for speed display"));
 136         set_tip (speed_display_box, _("Current transport speed"));
 137         set_tip (solo_alert_button, _("When active, something is soloed.\nClick to de-solo everything"));
 138         set_tip (auditioning_alert_button, _("When active, auditioning is taking place\nClick to stop the audition"));
 139         set_tip (primary_clock, _("Primary clock"));
 140         set_tip (secondary_clock, _("secondary clock"));
 141
 142         editor->setup_tooltips ();
 143 }
 144
 145 bool
 146 ARDOUR_UI::status_bar_button_press (GdkEventButton* ev)
 147 {
 148         bool handled = false;
 149
 150         switch (ev->button) {
 151         case 1:
 152                 status_bar_label.set_text ("");
 153                 handled = true;
 154                 break;
 155         default:
 156                 break;
 157         }
 158
 159         return handled;
 160 }
 161
 162 void
 163 ARDOUR_UI::display_message (const char *prefix, gint prefix_len, RefPtr<TextBuffer::Tag> ptag, RefPtr<TextBuffer::Tag> mtag, const char *msg)
 164 {
 165         ustring text;
 166
 167         UI::display_message (prefix, prefix_len, ptag, mtag, msg);
 168 #ifdef TOP_MENUBAR
 169
 170         if (strcmp (prefix, _("[ERROR]: ")) == 0) {
 171                 text = "<span color=\"red\" weight=\"bold\">";
 172         } else if (strcmp (prefix, _("[WARNING]: ")) == 0) {
 173                 text = "<span color=\"yellow\" weight=\"bold\">";
 174         } else if (strcmp (prefix, _("[INFO]: ")) == 0) {
 175                 text = "<span color=\"green\" weight=\"bold\">";
 176         } else {
 177                 text = "<span color=\"white\" weight=\"bold\">???";
 178         }
 179
 180         text += prefix;
 181         text += "</span>";
 182         text += msg;
 183
 184         status_bar_label.set_markup (text);
 185 #endif
 186 }
 187
 188 XMLNode*
 189 ARDOUR_UI::tearoff_settings (const char* name) const
 190 {
 191         XMLNode* ui_node = Config->extra_xml(X_("UI"));
 192
 193         if (ui_node) {
 194                 XMLNode* tearoff_node = ui_node->child (X_("Tearoffs"));
 195                 if (tearoff_node) {
 196                         XMLNode* mnode = tearoff_node->child (name);
 197                         return mnode;
 198                 }
 199         }
 200
 201         return 0;
 202 }
 203
 204 void
 205 ARDOUR_UI::setup_transport ()
 206 {
 207         transport_tearoff = manage (new TearOff (transport_tearoff_hbox));
 208         transport_tearoff->set_name ("TransportBase");
 209         transport_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &transport_tearoff->tearoff_window()), false);
 210
 211         if (Profile->get_sae()) {
 212                 transport_tearoff->set_can_be_torn_off (false);
 213         }
 214
 215         transport_hbox.pack_start (*transport_tearoff, true, false);
 216
 217         transport_base.set_name ("TransportBase");
 218         transport_base.add (transport_hbox);
 219
 220         transport_frame.set_shadow_type (SHADOW_OUT);
 221         transport_frame.set_name ("BaseFrame");
 222         transport_frame.add (transport_base);
 223
 224         transport_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::detach_tearoff), static_cast<Box*>(&top_packer),
 225                                                  static_cast<Widget*>(&transport_frame)));
 226         transport_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast<Box*> (&top_packer),
 227                                                  static_cast<Widget*> (&transport_frame), 1));
 228         transport_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::detach_tearoff), static_cast<Box*>(&top_packer),
 229                                                  static_cast<Widget*>(&transport_frame)));
 230         transport_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast<Box*> (&top_packer),
 231                                                   static_cast<Widget*> (&transport_frame), 1));
 232
 233         shuttle_box.set_name ("TransportButton");
 234         goto_start_button.set_name ("TransportButton");
 235         goto_end_button.set_name ("TransportButton");
 236         roll_button.set_name ("TransportButton");
 237         stop_button.set_name ("TransportButton");
 238         play_selection_button.set_name ("TransportButton");
 239         rec_button.set_name ("TransportRecButton");
 240         auto_loop_button.set_name ("TransportButton");
 241         join_play_range_button.set_name ("TransportButton");
 242
 243         auto_return_button.set_name ("TransportButton");
 244         auto_play_button.set_name ("TransportButton");
 245         auto_input_button.set_name ("TransportButton");
 246         punch_in_button.set_name ("TransportButton");
 247         punch_out_button.set_name ("TransportButton");
 248         click_button.set_name ("TransportButton");
 249         time_master_button.set_name ("TransportButton");
 250         sync_button.set_name ("TransportSyncButton");
 251
 252         stop_button.set_size_request(29, -1);
 253         roll_button.set_size_request(29, -1);
 254         auto_loop_button.set_size_request(29, -1);
 255         play_selection_button.set_size_request(29, -1);
 256         goto_start_button.set_size_request(29, -1);
 257         goto_end_button.set_size_request(29, -1);
 258         rec_button.set_size_request(29, -1);
 259
 260         Widget* w;
 261
 262         stop_button.set_visual_state (1);
 263
 264         w = manage (new Image (get_icon (X_("transport_start"))));
 265         w->show();
 266         goto_start_button.add (*w);
 267         w = manage (new Image (get_icon (X_("transport_end"))));
 268         w->show();
 269         goto_end_button.add (*w);
 270         w = manage (new Image (get_icon (X_("transport_play"))));
 271         w->show();
 272         roll_button.add (*w);
 273         w = manage (new Image (get_icon (X_("transport_stop"))));
 274         w->show();
 275         stop_button.add (*w);
 276         w = manage (new Image (get_icon (X_("transport_range"))));
 277         w->show();
 278         play_selection_button.add (*w);
 279         w = manage (new Image (get_icon (X_("transport_record"))));
 280         w->show();
 281         rec_button.add (*w);
 282         w = manage (new Image (get_icon (X_("transport_loop"))));
 283         w->show();
 284         auto_loop_button.add (*w);
 285         w = manage (new Image (get_icon (X_("join_tools"))));
 286         w->show ();
 287         join_play_range_button.add (*w);
 288
 289         RefPtr<Action> act;
 290
 291         act = ActionManager::get_action (X_("Transport"), X_("Stop"));
 292         act->connect_proxy (stop_button);
 293         act = ActionManager::get_action (X_("Transport"), X_("Roll"));
 294         act->connect_proxy (roll_button);
 295         act = ActionManager::get_action (X_("Transport"), X_("Record"));
 296         act->connect_proxy (rec_button);
 297         act = ActionManager::get_action (X_("Transport"), X_("GotoStart"));
 298         act->connect_proxy (goto_start_button);
 299         act = ActionManager::get_action (X_("Transport"), X_("GotoEnd"));
 300         act->connect_proxy (goto_end_button);
 301         act = ActionManager::get_action (X_("Transport"), X_("Loop"));
 302         act->connect_proxy (auto_loop_button);
 303         act = ActionManager::get_action (X_("Transport"), X_("PlaySelection"));
 304         act->connect_proxy (play_selection_button);
 305         act = ActionManager::get_action (X_("Transport"), X_("ToggleTimeMaster"));
 306         act->connect_proxy (time_master_button);
 307         act = ActionManager::get_action (X_("Transport"), X_("ToggleExternalSync"));
 308         act->connect_proxy (sync_button);
 309
 310         shuttle_box.set_flags (CAN_FOCUS);
 311         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);
 312         shuttle_box.set_size_request (100, 15);
 313
 314         shuttle_box.signal_button_press_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_button_press));
 315         shuttle_box.signal_button_release_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_button_release));
 316         shuttle_box.signal_scroll_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_scroll));
 317         shuttle_box.signal_motion_notify_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_motion));
 318         shuttle_box.signal_expose_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_expose));
 319
 320         /* clocks, etc. */
 321
 322         ARDOUR_UI::Clock.connect (sigc::bind (sigc::mem_fun (primary_clock, &AudioClock::set), 'p'));
 323         ARDOUR_UI::Clock.connect (sigc::bind (sigc::mem_fun (secondary_clock, &AudioClock::set), 's'));
 324
 325         primary_clock.ValueChanged.connect (sigc::mem_fun(*this, &ARDOUR_UI::primary_clock_value_changed));
 326         secondary_clock.ValueChanged.connect (sigc::mem_fun(*this, &ARDOUR_UI::secondary_clock_value_changed));
 327         big_clock.ValueChanged.connect (sigc::mem_fun(*this, &ARDOUR_UI::big_clock_value_changed));
 328
 329         ActionManager::get_action ("Transport", "ToggleAutoReturn")->connect_proxy (auto_return_button);
 330         ActionManager::get_action ("Transport", "ToggleAutoPlay")->connect_proxy (auto_play_button);
 331         ActionManager::get_action ("Transport", "ToggleAutoInput")->connect_proxy (auto_input_button);
 332         ActionManager::get_action ("Transport", "ToggleClick")->connect_proxy (click_button);
 333         ActionManager::get_action ("Transport", "TogglePunchIn")->connect_proxy (punch_in_button);
 334         ActionManager::get_action ("Transport", "TogglePunchOut")->connect_proxy (punch_out_button);
 335
 336         preroll_button.set_name ("TransportButton");
 337         postroll_button.set_name ("TransportButton");
 338
 339         preroll_clock.set_mode (AudioClock::MinSec);
 340         preroll_clock.set_name ("TransportClockDisplay");
 341         postroll_clock.set_mode (AudioClock::MinSec);
 342         postroll_clock.set_name ("TransportClockDisplay");
 343
 344         /* alerts */
 345
 346         /* CANNOT sigc::bind these to clicked or toggled, must use pressed or released */
 347
 348         solo_alert_button.set_name ("TransportSoloAlert");
 349         solo_alert_button.signal_button_press_event().connect (sigc::mem_fun(*this,&ARDOUR_UI::solo_alert_press), false);
 350         auditioning_alert_button.set_name ("TransportAuditioningAlert");
 351         auditioning_alert_button.signal_button_press_event().connect (sigc::mem_fun(*this,&ARDOUR_UI::audition_alert_press), false);
 352
 353         alert_box.pack_start (solo_alert_button, false, false);
 354         alert_box.pack_start (auditioning_alert_button, false, false);
 355
 356         transport_tearoff_hbox.set_border_width (3);
 357
 358         transport_tearoff_hbox.pack_start (goto_start_button, false, false);
 359         transport_tearoff_hbox.pack_start (goto_end_button, false, false);
 360
 361         Frame* sframe = manage (new Frame);
 362         VBox*  svbox = manage (new VBox);
 363         HBox*  shbox = manage (new HBox);
 364
 365         sframe->set_shadow_type (SHADOW_IN);
 366         sframe->add (shuttle_box);
 367
 368         shuttle_box.set_name (X_("ShuttleControl"));
 369
 370         speed_display_box.add (speed_display_label);
 371         speed_display_box.set_name (X_("ShuttleDisplay"));
 372         set_size_request_to_display_given_text (speed_display_label, X_("> 24.0"), 2, 2);
 373
 374         shuttle_units_button.set_name (X_("ShuttleButton"));
 375         shuttle_units_button.signal_clicked().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_unit_clicked));
 376
 377         shuttle_style_button.set_name (X_("ShuttleStyleButton"));
 378
 379         vector<string> shuttle_strings;
 380         shuttle_strings.push_back (_("sprung"));
 381         shuttle_strings.push_back (_("wheel"));
 382         set_popdown_strings (shuttle_style_button, shuttle_strings, true);
 383         shuttle_style_button.signal_changed().connect (sigc::mem_fun (*this, &ARDOUR_UI::shuttle_style_changed));
 384
 385         Frame* sdframe = manage (new Frame);
 386
 387         sdframe->set_shadow_type (SHADOW_IN);
 388         sdframe->add (speed_display_box);
 389
 390         /* translators: Egternal is "External" with a descender character */
 391         set_size_request_to_display_given_text (sync_button, X_("Egternal"), 4, 10);
 392
 393         shbox->pack_start (*sdframe, false, false);
 394         shbox->pack_start (shuttle_units_button, true, true);
 395         shbox->pack_start (shuttle_style_button, false, false);
 396
 397         svbox->pack_start (*sframe, false, false);
 398         svbox->pack_start (*shbox, false, false);
 399
 400         transport_tearoff_hbox.pack_start (*svbox, false, false, 3);
 401
 402         if (Profile->get_sae()) {
 403                 transport_tearoff_hbox.pack_start (auto_loop_button);
 404                 transport_tearoff_hbox.pack_start (roll_button);
 405         } else {
 406                 transport_tearoff_hbox.pack_start (auto_loop_button, false, false);
 407                 play_range_hbox.pack_start (play_selection_button, false, false);
 408                 play_range_hbox.pack_start (roll_button, false, false);
 409                 play_range_vbox.pack_start (play_range_hbox, false, false);
 410                 play_range_vbox.pack_start (join_play_range_button, false, false);
 411                 transport_tearoff_hbox.pack_start (play_range_vbox, false, false);
 412         }
 413         transport_tearoff_hbox.pack_start (stop_button, false, false);
 414         transport_tearoff_hbox.pack_start (rec_button, false, false, 6);
 415
 416         HBox* clock_box = manage (new HBox);
 417         clock_box->pack_start (primary_clock, false, false);
 418         if (!ARDOUR::Profile->get_small_screen()) {
 419                 clock_box->pack_start (secondary_clock, false, false);
 420         }
 421
 422         if (!Profile->get_sae()) {
 423                 VBox* time_controls_box = manage (new VBox);
 424                 time_controls_box->pack_start (sync_button, false, false);
 425                 time_controls_box->pack_start (time_master_button, false, false);
 426                 clock_box->pack_start (*time_controls_box, false, false, 1);
 427         }
 428
 429         transport_tearoff_hbox.pack_start (*clock_box, false, false, 0);
 430
 431         HBox* toggle_box = manage(new HBox);
 432
 433         VBox* punch_box = manage (new VBox);
 434         punch_box->pack_start (punch_in_button, false, false);
 435         punch_box->pack_start (punch_out_button, false, false);
 436         toggle_box->pack_start (*punch_box, false, false);
 437
 438         VBox* auto_box = manage (new VBox);
 439         auto_box->pack_start (auto_play_button, false, false);
 440         auto_box->pack_start (auto_return_button, false, false);
 441         toggle_box->pack_start (*auto_box, false, false);
 442
 443         VBox* io_box = manage (new VBox);
 444         io_box->pack_start (auto_input_button, false, false);
 445         io_box->pack_start (click_button, false, false);
 446         toggle_box->pack_start (*io_box, false, false);
 447
 448         /* desensitize */
 449
 450         set_transport_sensitivity (false);
 451
 452 //      toggle_box->pack_start (preroll_button, false, false);
 453 //      toggle_box->pack_start (preroll_clock, false, false);
 454
 455 //      toggle_box->pack_start (postroll_button, false, false);
 456 //      toggle_box->pack_start (postroll_clock, false, false);
 457
 458         transport_tearoff_hbox.pack_start (*toggle_box, false, false, 4);
 459         transport_tearoff_hbox.pack_start (alert_box, false, false);
 460
 461         if (Profile->get_sae()) {
 462                 Image* img = manage (new Image ((::get_icon (X_("sae")))));
 463                 transport_tearoff_hbox.pack_end (*img, false, false, 6);
 464         }
 465
 466         XMLNode* tnode = tearoff_settings ("transport");
 467         if (tnode) {
 468                 transport_tearoff->set_state (*tnode);
 469         }
 470 }
 471
 472 void
 473 ARDOUR_UI::manage_window (Window& win)
 474 {
 475         win.signal_delete_event().connect (sigc::bind (sigc::ptr_fun (just_hide_it), &win));
 476         win.signal_enter_notify_event().connect (sigc::bind (sigc::mem_fun (Keyboard::the_keyboard(), &Keyboard::enter_window), &win));
 477         win.signal_leave_notify_event().connect (sigc::bind (sigc::mem_fun (Keyboard::the_keyboard(), &Keyboard::leave_window), &win));
 478 }
 479
 480 void
 481 ARDOUR_UI::detach_tearoff (Box* b, Widget* w)
 482 {
 483 //      editor->ensure_float (transport_tearoff->tearoff_window());
 484         b->remove (*w);
 485 }
 486
 487 void
 488 ARDOUR_UI::reattach_tearoff (Box* b, Widget* w, int32_t n)
 489 {
 490         b->pack_start (*w);
 491         b->reorder_child (*w, n);
 492 }
 493
 494 void
 495 ARDOUR_UI::soloing_changed (bool onoff)
 496 {
 497         if (solo_alert_button.get_active() != onoff) {
 498                 solo_alert_button.set_active (onoff);
 499         }
 500 }
 501
 502 void
 503 ARDOUR_UI::_auditioning_changed (bool onoff)
 504 {
 505         if (auditioning_alert_button.get_active() != onoff) {
 506                 auditioning_alert_button.set_active (onoff);
 507                 set_transport_sensitivity (!onoff);
 508         }
 509 }
 510
 511 void
 512 ARDOUR_UI::auditioning_changed (bool onoff)
 513 {
 514         UI::instance()->call_slot (MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::_auditioning_changed, this, onoff));
 515 }
 516
 517 bool
 518 ARDOUR_UI::audition_alert_press (GdkEventButton* ev)
 519 {
 520         if (_session) {
 521                 _session->cancel_audition();
 522         }
 523         return true;
 524 }
 525
 526 bool
 527 ARDOUR_UI::solo_alert_press (GdkEventButton* ev)
 528 {
 529         if (_session) {
 530                 if (_session->soloing()) {
 531                         _session->set_solo (_session->get_routes(), false);
 532                 } else if (_session->listening()) {
 533                         _session->set_listen (_session->get_routes(), false);
 534                 }
 535         }
 536         return true;
 537 }
 538
 539 void
 540 ARDOUR_UI::solo_blink (bool onoff)
 541 {
 542         if (_session == 0) {
 543                 return;
 544         }
 545
 546         if (_session->soloing() || _session->listening()) {
 547                 if (onoff) {
 548                         solo_alert_button.set_state (STATE_ACTIVE);
 549                 } else {
 550                         solo_alert_button.set_state (STATE_NORMAL);
 551                 }
 552         } else {
 553                 solo_alert_button.set_active (false);
 554                 solo_alert_button.set_state (STATE_NORMAL);
 555         }
 556 }
 557
 558 void
 559 ARDOUR_UI::sync_blink (bool onoff)
 560 {
 561         if (_session == 0 || !_session->config.get_external_sync()) {
 562                 /* internal sync */
 563                 sync_button.set_visual_state (0);
 564                 return;
 565         }
 566
 567         if (!_session->transport_locked()) {
 568                 /* not locked, so blink on and off according to the onoff argument */
 569
 570                 if (onoff) {
 571                         sync_button.set_visual_state (1); // "-active"
 572                 } else {
 573                         sync_button.set_visual_state (0); // normal
 574                 }
 575         } else {
 576                 /* locked */
 577                 sync_button.set_visual_state (1); // "-active"
 578         }
 579 }
 580
 581 void
 582 ARDOUR_UI::audition_blink (bool onoff)
 583 {
 584         if (_session == 0) {
 585                 return;
 586         }
 587
 588         if (_session->is_auditioning()) {
 589                 if (onoff) {
 590                         auditioning_alert_button.set_state (STATE_ACTIVE);
 591                 } else {
 592                         auditioning_alert_button.set_state (STATE_NORMAL);
 593                 }
 594         } else {
 595                 auditioning_alert_button.set_active (false);
 596                 auditioning_alert_button.set_state (STATE_NORMAL);
 597         }
 598 }
 599
 600 void
 601 ARDOUR_UI::build_shuttle_context_menu ()
 602 {
 603         using namespace Menu_Helpers;
 604
 605         shuttle_context_menu = new Menu();
 606         MenuList& items = shuttle_context_menu->items();
 607
 608         Menu* speed_menu = manage (new Menu());
 609         MenuList& speed_items = speed_menu->items();
 610
 611         RadioMenuItem::Group group;
 612
 613         speed_items.push_back (RadioMenuElem (group, "8", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 8.0f)));
 614         if (shuttle_max_speed == 8.0) {
 615                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 616         }
 617         speed_items.push_back (RadioMenuElem (group, "6", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 6.0f)));
 618         if (shuttle_max_speed == 6.0) {
 619                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 620         }
 621         speed_items.push_back (RadioMenuElem (group, "4", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 4.0f)));
 622         if (shuttle_max_speed == 4.0) {
 623                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 624         }
 625         speed_items.push_back (RadioMenuElem (group, "3", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 3.0f)));
 626         if (shuttle_max_speed == 3.0) {
 627                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 628         }
 629         speed_items.push_back (RadioMenuElem (group, "2", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 2.0f)));
 630         if (shuttle_max_speed == 2.0) {
 631                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 632         }
 633         speed_items.push_back (RadioMenuElem (group, "1.5", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 1.5f)));
 634         if (shuttle_max_speed == 1.5) {
 635                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 636         }
 637
 638         items.push_back (MenuElem (_("Maximum speed"), *speed_menu));
 639 }
 640
 641 void
 642 ARDOUR_UI::show_shuttle_context_menu ()
 643 {
 644         if (shuttle_context_menu == 0) {
 645                 build_shuttle_context_menu ();
 646         }
 647
 648         shuttle_context_menu->popup (1, gtk_get_current_event_time());
 649 }
 650
 651 void
 652 ARDOUR_UI::set_shuttle_max_speed (float speed)
 653 {
 654         shuttle_max_speed = speed;
 655 }
 656
 657 gint
 658 ARDOUR_UI::shuttle_box_button_press (GdkEventButton* ev)
 659 {
 660         if (!_session) {
 661                 return true;
 662         }
 663
 664         if (shuttle_controller_binding_proxy.button_press_handler (ev)) {
 665                 return true;
 666         }
 667
 668         if (Keyboard::is_context_menu_event (ev)) {
 669                 show_shuttle_context_menu ();
 670                 return true;
 671         }
 672
 673         switch (ev->button) {
 674         case 1:
 675                 shuttle_box.add_modal_grab ();
 676                 shuttle_grabbed = true;
 677                 mouse_shuttle (ev->x, true);
 678                 break;
 679
 680         case 2:
 681         case 3:
 682                 return true;
 683                 break;
 684         }
 685
 686         return true;
 687 }
 688
 689 gint
 690 ARDOUR_UI::shuttle_box_button_release (GdkEventButton* ev)
 691 {
 692         if (!_session) {
 693                 return true;
 694         }
 695
 696         switch (ev->button) {
 697         case 1:
 698                 mouse_shuttle (ev->x, true);
 699                 shuttle_grabbed = false;
 700                 shuttle_box.remove_modal_grab ();
 701                 if (Config->get_shuttle_behaviour() == Sprung) {
 702                         if (_session->config.get_auto_play() || roll_button.get_visual_state()) {
 703                                 shuttle_fract = SHUTTLE_FRACT_SPEED1;
 704                                 _session->request_transport_speed (1.0);
 705                                 stop_button.set_visual_state (0);
 706                                 roll_button.set_visual_state (1);
 707                         } else {
 708                                 shuttle_fract = 0;
 709                                 _session->request_transport_speed (0.0);
 710                         }
 711                         shuttle_box.queue_draw ();
 712                 }
 713                 return true;
 714
 715         case 2:
 716                 if (_session->transport_rolling()) {
 717                         shuttle_fract = SHUTTLE_FRACT_SPEED1;
 718                         _session->request_transport_speed (1.0);
 719                         stop_button.set_visual_state (0);
 720                         roll_button.set_visual_state (1);
 721                 } else {
 722                         shuttle_fract = 0;
 723                 }
 724                 shuttle_box.queue_draw ();
 725                 return true;
 726
 727         case 3:
 728         default:
 729                 return true;
 730
 731         }
 732
 733         use_shuttle_fract (true);
 734
 735         return true;
 736 }
 737
 738 gint
 739 ARDOUR_UI::shuttle_box_scroll (GdkEventScroll* ev)
 740 {
 741         if (!_session) {
 742                 return true;
 743         }
 744
 745         switch (ev->direction) {
 746
 747         case GDK_SCROLL_UP:
 748                 shuttle_fract += 0.005;
 749                 break;
 750         case GDK_SCROLL_DOWN:
 751                 shuttle_fract -= 0.005;
 752                 break;
 753         default:
 754                 /* scroll left/right */
 755                 return false;
 756         }
 757
 758         use_shuttle_fract (true);
 759
 760         return true;
 761 }
 762
 763 gint
 764 ARDOUR_UI::shuttle_box_motion (GdkEventMotion* ev)
 765 {
 766         if (!_session || !shuttle_grabbed) {
 767                 return true;
 768         }
 769
 770         return mouse_shuttle (ev->x, false);
 771 }
 772
 773 gint
 774 ARDOUR_UI::mouse_shuttle (double x, bool force)
 775 {
 776         double half_width = shuttle_box.get_width() / 2.0;
 777         double distance = x - half_width;
 778
 779         if (distance > 0) {
 780                 distance = min (distance, half_width);
 781         } else {
 782                 distance = max (distance, -half_width);
 783         }
 784
 785         shuttle_fract = distance / half_width;
 786         use_shuttle_fract (force);
 787         return true;
 788 }
 789
 790 void
 791 ARDOUR_UI::set_shuttle_fract (double f)
 792 {
 793         shuttle_fract = f;
 794         use_shuttle_fract (false);
 795 }
 796
 797 void
 798 ARDOUR_UI::use_shuttle_fract (bool force)
 799 {
 800         microseconds_t now = get_microseconds();
 801
 802         /* do not attempt to submit a motion-driven transport speed request
 803            more than once per process cycle.
 804          */
 805
 806         if (!force && (last_shuttle_request - now) < (microseconds_t) engine->usecs_per_cycle()) {
 807                 return;
 808         }
 809
 810         last_shuttle_request = now;
 811
 812         if (Config->get_shuttle_units() == Semitones) {
 813
 814                 const double step = 1.0 / 24.0; // range is 24 semitones up & down
 815                 double semitones;
 816                 double speed;
 817
 818                 semitones = round (shuttle_fract / step);
 819                 speed = pow (2.0, (semitones / 12.0));
 820
 821                 _session->request_transport_speed (speed);
 822
 823         } else {
 824
 825                 bool neg;
 826                 double fract;
 827
 828                 neg = (shuttle_fract < 0.0);
 829
 830                 fract = 1 - sqrt (1 - (shuttle_fract * shuttle_fract)); // Formula A1
 831
 832                 if (neg) {
 833                         fract = -fract;
 834                 }
 835
 836                 _session->request_transport_speed (shuttle_max_speed * fract);
 837         }
 838
 839         shuttle_box.queue_draw ();
 840 }
 841
 842 gint
 843 ARDOUR_UI::shuttle_box_expose (GdkEventExpose* event)
 844 {
 845         gint x;
 846         Glib::RefPtr<Gdk::Window> win (shuttle_box.get_window());
 847
 848         /* redraw the background */
 849
 850         win->draw_rectangle (shuttle_box.get_style()->get_bg_gc (shuttle_box.get_state()),
 851                              true,
 852                              event->area.x, event->area.y,
 853                              event->area.width, event->area.height);
 854
 855
 856         x = (gint) floor ((shuttle_box.get_width() / 2.0) + (0.5 * (shuttle_box.get_width() * shuttle_fract)));
 857
 858         /* draw line */
 859
 860         win->draw_line (shuttle_box.get_style()->get_fg_gc (shuttle_box.get_state()),
 861                         x,
 862                         0,
 863                         x,
 864                         shuttle_box.get_height());
 865         return true;
 866 }
 867
 868 void
 869 ARDOUR_UI::shuttle_unit_clicked ()
 870 {
 871         if (shuttle_unit_menu == 0) {
 872                 shuttle_unit_menu = dynamic_cast<Menu*> (ActionManager::get_widget ("/ShuttleUnitPopup"));
 873         }
 874         shuttle_unit_menu->popup (1, gtk_get_current_event_time());
 875 }
 876
 877 void
 878 ARDOUR_UI::shuttle_style_changed ()
 879 {
 880         ustring str = shuttle_style_button.get_active_text ();
 881
 882         if (str == _("sprung")) {
 883                 Config->set_shuttle_behaviour (Sprung);
 884         } else if (str == _("wheel")) {
 885                 Config->set_shuttle_behaviour (Wheel);
 886         }
 887 }
 888
 889 void
 890 ARDOUR_UI::update_speed_display ()
 891 {
 892         if (!_session) {
 893                 if (last_speed_displayed != 0) {
 894                         speed_display_label.set_text (_("stop"));
 895                         last_speed_displayed = 0;
 896                 }
 897                 return;
 898         }
 899
 900         char buf[32];
 901         float x = _session->transport_speed ();
 902
 903         if (x != last_speed_displayed) {
 904
 905                 if (x != 0) {
 906                         if (Config->get_shuttle_units() == Percentage) {
 907                                 snprintf (buf, sizeof (buf), "%d", (int) round (x * 100));
 908                         } else {
 909
 910                                 if (x < 0) {
 911                                         snprintf (buf, sizeof (buf), "< %d", (int) round (12.0 * fast_log2 (-x)));
 912                                 } else {
 913                                         snprintf (buf, sizeof (buf), "> %d", (int) round (12.0 * fast_log2 (x)));
 914                                 }
 915                         }
 916                         speed_display_label.set_text (buf);
 917                 } else {
 918                         speed_display_label.set_text (_("stop"));
 919                 }
 920
 921                 last_speed_displayed = x;
 922         }
 923 }
 924
 925 void
 926 ARDOUR_UI::set_transport_sensitivity (bool yn)
 927 {
 928         ActionManager::set_sensitive (ActionManager::transport_sensitive_actions, yn);
 929         shuttle_box.set_sensitive (yn);
 930 }
 931
 932 void
 933 ARDOUR_UI::editor_realized ()
 934 {
 935         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 936         Config->map_parameters (pc);
 937
 938         set_size_request_to_display_given_text (speed_display_box, _("-0.55"), 2, 2);
 939         reset_dpi ();
 940 }
 941
 942 void
 943 ARDOUR_UI::maximise_editing_space ()
 944 {
 945         if (!editor) {
 946                 return;
 947         }
 948
 949         transport_tearoff->set_visible (false);
 950         editor->maximise_editing_space ();
 951 }
 952
 953 void
 954 ARDOUR_UI::restore_editing_space ()
 955 {
 956         if (!editor) {
 957                 return;
 958         }
 959
 960         transport_tearoff->set_visible (true);
 961         editor->restore_editing_space ();
 962 }