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