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 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <fcntl.h>
  25 #include <signal.h>
  26 #include <unistd.h>
  27 #include <cerrno>
  28 #include <iostream>
  29 #include <cmath>
  30
  31 #include <sigc++/bind.h>
  32 #include "pbd/error.h"
  33 #include "pbd/basename.h"
  34 #include "pbd/fastlog.h"
  35 #include <gtkmm2ext/utils.h>
  36 #include <gtkmm2ext/click_box.h>
  37 #include <gtkmm2ext/tearoff.h>
  38
  39 #include "ardour/session.h"
  40 #include "ardour/audioengine.h"
  41 #include "ardour/ardour.h"
  42 #include "ardour/profile.h"
  43 #include "ardour/route.h"
  44
  45 #include "ardour_ui.h"
  46 #include "keyboard.h"
  47 #include "public_editor.h"
  48 #include "audio_clock.h"
  49 #include "actions.h"
  50 #include "utils.h"
  51 #include "theme_manager.h"
  52 #include "midi_tracer.h"
  53 #include "global_port_matrix.h"
  54 #include "location_ui.h"
  55
  56 #include "i18n.h"
  57
  58 using namespace std;
  59 using namespace ARDOUR;
  60 using namespace PBD;
  61 using namespace Gtkmm2ext;
  62 using namespace Gtk;
  63 using namespace Glib;
  64
  65 int
  66 ARDOUR_UI::setup_windows ()
  67 {
  68         if (create_editor ()) {
  69                 error << _("UI: cannot setup editor") << endmsg;
  70                 return -1;
  71         }
  72
  73         if (create_mixer ()) {
  74                 error << _("UI: cannot setup mixer") << endmsg;
  75                 return -1;
  76         }
  77
  78         /* all other dialogs are created conditionally */
  79
  80         we_have_dependents ();
  81
  82         theme_manager->signal_unmap().connect (sigc::bind (sigc::ptr_fun(&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/ToggleThemeManager")));
  83
  84 #ifdef TOP_MENUBAR
  85         HBox* status_bar_packer = manage (new HBox);
  86         EventBox* status_bar_event_box = manage (new EventBox);
  87
  88         status_bar_event_box->add (status_bar_label);
  89         status_bar_event_box->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
  90         status_bar_label.set_size_request (300, -1);
  91         status_bar_packer->pack_start (*status_bar_event_box, true, true, 6);
  92         status_bar_packer->pack_start (error_log_button, false, false);
  93
  94         status_bar_label.show ();
  95         status_bar_event_box->show ();
  96         status_bar_packer->show ();
  97         error_log_button.show ();
  98
  99         error_log_button.signal_clicked().connect (mem_fun (*this, &UI::toggle_errors));
 100         status_bar_event_box->signal_button_press_event().connect (mem_fun (*this, &ARDOUR_UI::status_bar_button_press));
 101
 102         editor->get_status_bar_packer().pack_start (*status_bar_packer, true, true);
 103         editor->get_status_bar_packer().pack_start (menu_bar_base, false, false, 6);
 104 #else
 105         top_packer.pack_start (menu_bar_base, false, false);
 106 #endif
 107
 108         top_packer.pack_start (transport_frame, false, false);
 109
 110         editor->add_toplevel_controls (top_packer);
 111
 112         setup_transport();
 113         build_menu_bar ();
 114
 115         setup_tooltips ();
 116
 117         return 0;
 118 }
 119
 120 void
 121 ARDOUR_UI::setup_tooltips ()
 122 {
 123         set_tip (roll_button, _("Play from playhead"));
 124         set_tip (stop_button, _("Stop playback"));
 125         set_tip (rec_button, _("Toggle record"));
 126         set_tip (play_selection_button, _("Play range/selection"));
 127         set_tip (join_play_range_button, _("Always play range/selection"));
 128         set_tip (goto_start_button, _("Go to start of session"));
 129         set_tip (goto_end_button, _("Go to end of session"));
 130         set_tip (auto_loop_button, _("Play loop range"));
 131
 132         set_tip (auto_return_button, _("Return to last playback start when stopped"));
 133         set_tip (auto_play_button, _("Start playback after any locate"));
 134         set_tip (auto_input_button, _("Be sensible about input monitoring"));
 135         set_tip (punch_in_button, _("Start recording at auto-punch start"));
 136         set_tip (punch_out_button, _("Stop recording at auto-punch end"));
 137         set_tip (click_button, _("Enable/Disable audio click"));
 138         set_tip (time_master_button, string_compose (_("Does %1 control the time?"), PROGRAM_NAME));
 139         set_tip (shuttle_box, _("Shuttle speed control"));
 140         set_tip (shuttle_units_button, _("Select semitones or %%-age for speed display"));
 141         set_tip (speed_display_box, _("Current transport speed"));
 142         set_tip (solo_alert_button, _("When active, something is soloed.\nClick to de-solo everything"));
 143         set_tip (auditioning_alert_button, _("When active, auditioning is taking place\nClick to stop the audition"));
 144         set_tip (primary_clock, _("Primary Clock"));
 145         set_tip (secondary_clock, _("Secondary Clock"));
 146
 147         synchronize_sync_source_and_video_pullup ();
 148
 149         editor->setup_tooltips ();
 150 }
 151
 152 bool
 153 ARDOUR_UI::status_bar_button_press (GdkEventButton* ev)
 154 {
 155         bool handled = false;
 156
 157         switch (ev->button) {
 158         case 1:
 159                 status_bar_label.set_text ("");
 160                 handled = true;
 161                 break;
 162         default:
 163                 break;
 164         }
 165
 166         return handled;
 167 }
 168
 169 void
 170 ARDOUR_UI::display_message (const char *prefix, gint prefix_len, RefPtr<TextBuffer::Tag> ptag, RefPtr<TextBuffer::Tag> mtag, const char *msg)
 171 {
 172         string text;
 173
 174         UI::display_message (prefix, prefix_len, ptag, mtag, msg);
 175 #ifdef TOP_MENUBAR
 176
 177         if (strcmp (prefix, _("[ERROR]: ")) == 0) {
 178                 text = "<span color=\"red\" weight=\"bold\">";
 179         } else if (strcmp (prefix, _("[WARNING]: ")) == 0) {
 180                 text = "<span color=\"yellow\" weight=\"bold\">";
 181         } else if (strcmp (prefix, _("[INFO]: ")) == 0) {
 182                 text = "<span color=\"green\" weight=\"bold\">";
 183         } else {
 184                 text = "<span color=\"white\" weight=\"bold\">???";
 185         }
 186
 187         text += prefix;
 188         text += "</span>";
 189         text += msg;
 190
 191         status_bar_label.set_markup (text);
 192 #endif
 193 }
 194
 195 XMLNode*
 196 ARDOUR_UI::tearoff_settings (const char* name) const
 197 {
 198         XMLNode* ui_node = Config->extra_xml(X_("UI"));
 199
 200         if (ui_node) {
 201                 XMLNode* tearoff_node = ui_node->child (X_("Tearoffs"));
 202                 if (tearoff_node) {
 203                         XMLNode* mnode = tearoff_node->child (name);
 204                         return mnode;
 205                 }
 206         }
 207
 208         return 0;
 209 }
 210
 211 void
 212 ARDOUR_UI::setup_transport ()
 213 {
 214         transport_tearoff = manage (new TearOff (transport_tearoff_hbox));
 215         transport_tearoff->set_name ("TransportBase");
 216         transport_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &transport_tearoff->tearoff_window()), false);
 217
 218         if (Profile->get_sae()) {
 219                 transport_tearoff->set_can_be_torn_off (false);
 220         }
 221
 222         transport_hbox.pack_start (*transport_tearoff, true, false);
 223
 224         transport_base.set_name ("TransportBase");
 225         transport_base.add (transport_hbox);
 226
 227         transport_frame.set_shadow_type (SHADOW_OUT);
 228         transport_frame.set_name ("BaseFrame");
 229         transport_frame.add (transport_base);
 230
 231         transport_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::detach_tearoff), static_cast<Box*>(&top_packer),
 232                                                  static_cast<Widget*>(&transport_frame)));
 233         transport_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast<Box*> (&top_packer),
 234                                                  static_cast<Widget*> (&transport_frame), 1));
 235         transport_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::detach_tearoff), static_cast<Box*>(&top_packer),
 236                                                  static_cast<Widget*>(&transport_frame)));
 237         transport_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast<Box*> (&top_packer),
 238                                                   static_cast<Widget*> (&transport_frame), 1));
 239
 240         shuttle_box.set_name ("TransportButton");
 241         goto_start_button.set_name ("TransportButton");
 242         goto_end_button.set_name ("TransportButton");
 243         roll_button.set_name ("TransportButton");
 244         stop_button.set_name ("TransportButton");
 245         play_selection_button.set_name ("TransportButton");
 246         rec_button.set_name ("TransportRecButton");
 247         auto_loop_button.set_name ("TransportButton");
 248         join_play_range_button.set_name ("TransportButton");
 249
 250         auto_return_button.set_name ("TransportButton");
 251         auto_play_button.set_name ("TransportButton");
 252         auto_input_button.set_name ("TransportButton");
 253         punch_in_button.set_name ("TransportButton");
 254         punch_out_button.set_name ("TransportButton");
 255         click_button.set_name ("TransportButton");
 256         time_master_button.set_name ("TransportButton");
 257         sync_button.set_name ("TransportSyncButton");
 258
 259         stop_button.set_size_request(29, -1);
 260         roll_button.set_size_request(29, -1);
 261         auto_loop_button.set_size_request(29, -1);
 262         play_selection_button.set_size_request(29, -1);
 263         goto_start_button.set_size_request(29, -1);
 264         goto_end_button.set_size_request(29, -1);
 265         rec_button.set_size_request(29, -1);
 266
 267         Widget* w;
 268
 269         stop_button.set_visual_state (1);
 270
 271         w = manage (new Image (get_icon (X_("transport_start"))));
 272         w->show();
 273         goto_start_button.add (*w);
 274         w = manage (new Image (get_icon (X_("transport_end"))));
 275         w->show();
 276         goto_end_button.add (*w);
 277         w = manage (new Image (get_icon (X_("transport_play"))));
 278         w->show();
 279         roll_button.add (*w);
 280         w = manage (new Image (get_icon (X_("transport_stop"))));
 281         w->show();
 282         stop_button.add (*w);
 283         w = manage (new Image (get_icon (X_("transport_range"))));
 284         w->show();
 285         play_selection_button.add (*w);
 286         w = manage (new Image (get_icon (X_("transport_record"))));
 287         w->show();
 288         rec_button.add (*w);
 289         w = manage (new Image (get_icon (X_("transport_loop"))));
 290         w->show();
 291         auto_loop_button.add (*w);
 292         w = manage (new Image (get_icon (X_("join_tools"))));
 293         w->show ();
 294         join_play_range_button.add (*w);
 295
 296         RefPtr<Action> act;
 297
 298         act = ActionManager::get_action (X_("Transport"), X_("Stop"));
 299         act->connect_proxy (stop_button);
 300         act = ActionManager::get_action (X_("Transport"), X_("Roll"));
 301         act->connect_proxy (roll_button);
 302         act = ActionManager::get_action (X_("Transport"), X_("Record"));
 303         act->connect_proxy (rec_button);
 304         act = ActionManager::get_action (X_("Transport"), X_("GotoStart"));
 305         act->connect_proxy (goto_start_button);
 306         act = ActionManager::get_action (X_("Transport"), X_("GotoEnd"));
 307         act->connect_proxy (goto_end_button);
 308         act = ActionManager::get_action (X_("Transport"), X_("Loop"));
 309         act->connect_proxy (auto_loop_button);
 310         act = ActionManager::get_action (X_("Transport"), X_("PlaySelection"));
 311         act->connect_proxy (play_selection_button);
 312         act = ActionManager::get_action (X_("Transport"), X_("ToggleTimeMaster"));
 313         act->connect_proxy (time_master_button);
 314         act = ActionManager::get_action (X_("Transport"), X_("ToggleExternalSync"));
 315         act->connect_proxy (sync_button);
 316
 317         shuttle_box.set_flags (CAN_FOCUS);
 318         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);
 319         shuttle_box.set_size_request (100, 15);
 320
 321         shuttle_box.signal_button_press_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_button_press));
 322         shuttle_box.signal_button_release_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_button_release));
 323         shuttle_box.signal_scroll_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_scroll));
 324         shuttle_box.signal_motion_notify_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_motion));
 325         shuttle_box.signal_expose_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_expose));
 326
 327         /* clocks, etc. */
 328
 329         ARDOUR_UI::Clock.connect (sigc::bind (sigc::mem_fun (primary_clock, &AudioClock::set), 'p'));
 330         ARDOUR_UI::Clock.connect (sigc::bind (sigc::mem_fun (secondary_clock, &AudioClock::set), 's'));
 331
 332         primary_clock.ValueChanged.connect (sigc::mem_fun(*this, &ARDOUR_UI::primary_clock_value_changed));
 333         secondary_clock.ValueChanged.connect (sigc::mem_fun(*this, &ARDOUR_UI::secondary_clock_value_changed));
 334         big_clock.ValueChanged.connect (sigc::mem_fun(*this, &ARDOUR_UI::big_clock_value_changed));
 335
 336         ActionManager::get_action ("Transport", "ToggleAutoReturn")->connect_proxy (auto_return_button);
 337         ActionManager::get_action ("Transport", "ToggleAutoPlay")->connect_proxy (auto_play_button);
 338         ActionManager::get_action ("Transport", "ToggleAutoInput")->connect_proxy (auto_input_button);
 339         ActionManager::get_action ("Transport", "ToggleClick")->connect_proxy (click_button);
 340         ActionManager::get_action ("Transport", "TogglePunchIn")->connect_proxy (punch_in_button);
 341         ActionManager::get_action ("Transport", "TogglePunchOut")->connect_proxy (punch_out_button);
 342
 343         preroll_button.set_name ("TransportButton");
 344         postroll_button.set_name ("TransportButton");
 345
 346         preroll_clock.set_mode (AudioClock::MinSec);
 347         preroll_clock.set_name ("TransportClockDisplay");
 348         postroll_clock.set_mode (AudioClock::MinSec);
 349         postroll_clock.set_name ("TransportClockDisplay");
 350
 351         /* alerts */
 352
 353         /* CANNOT sigc::bind these to clicked or toggled, must use pressed or released */
 354
 355         solo_alert_button.set_name ("TransportSoloAlert");
 356         solo_alert_button.signal_button_press_event().connect (sigc::mem_fun(*this,&ARDOUR_UI::solo_alert_press), false);
 357         auditioning_alert_button.set_name ("TransportAuditioningAlert");
 358         auditioning_alert_button.signal_button_press_event().connect (sigc::mem_fun(*this,&ARDOUR_UI::audition_alert_press), false);
 359
 360         alert_box.pack_start (solo_alert_button, false, false);
 361         alert_box.pack_start (auditioning_alert_button, false, false);
 362
 363         transport_tearoff_hbox.set_border_width (3);
 364
 365         transport_tearoff_hbox.pack_start (goto_start_button, false, false);
 366         transport_tearoff_hbox.pack_start (goto_end_button, false, false);
 367
 368         Frame* sframe = manage (new Frame);
 369         VBox*  svbox = manage (new VBox);
 370         HBox*  shbox = manage (new HBox);
 371
 372         sframe->set_shadow_type (SHADOW_IN);
 373         sframe->add (shuttle_box);
 374
 375         shuttle_box.set_name (X_("ShuttleControl"));
 376
 377         speed_display_box.add (speed_display_label);
 378         speed_display_box.set_name (X_("ShuttleDisplay"));
 379         set_size_request_to_display_given_text (speed_display_label, X_("> 24.0"), 2, 2);
 380
 381         shuttle_units_button.set_name (X_("ShuttleButton"));
 382         shuttle_units_button.signal_clicked().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_unit_clicked));
 383
 384         shuttle_style_button.set_name (X_("ShuttleStyleButton"));
 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, true);
 390         shuttle_style_button.signal_changed().connect (sigc::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         /* translators: Egternal is "External" with a descender character */
 398         set_size_request_to_display_given_text (sync_button, X_("Egternal"), 4, 10);
 399
 400         shbox->pack_start (*sdframe, false, false);
 401         shbox->pack_start (shuttle_units_button, true, true);
 402         shbox->pack_start (shuttle_style_button, false, false);
 403
 404         svbox->pack_start (*sframe, false, false);
 405         svbox->pack_start (*shbox, false, false);
 406
 407         transport_tearoff_hbox.pack_start (*svbox, false, false, 3);
 408
 409         if (Profile->get_sae()) {
 410                 transport_tearoff_hbox.pack_start (auto_loop_button);
 411                 transport_tearoff_hbox.pack_start (roll_button);
 412         } else {
 413                 transport_tearoff_hbox.pack_start (auto_loop_button, false, false);
 414                 play_range_hbox.pack_start (play_selection_button, false, false);
 415                 play_range_hbox.pack_start (roll_button, false, false);
 416                 play_range_vbox.pack_start (play_range_hbox, false, false);
 417                 play_range_vbox.pack_start (join_play_range_button, false, false);
 418                 transport_tearoff_hbox.pack_start (play_range_vbox, false, false);
 419         }
 420         transport_tearoff_hbox.pack_start (stop_button, false, false);
 421         transport_tearoff_hbox.pack_start (rec_button, false, false, 6);
 422
 423         HBox* clock_box = manage (new HBox);
 424         clock_box->pack_start (primary_clock, false, false);
 425         if (!ARDOUR::Profile->get_small_screen()) {
 426                 clock_box->pack_start (secondary_clock, false, false);
 427         }
 428
 429         if (!Profile->get_sae()) {
 430                 VBox* time_controls_box = manage (new VBox);
 431                 time_controls_box->pack_start (sync_button, false, false);
 432                 time_controls_box->pack_start (time_master_button, false, false);
 433                 clock_box->pack_start (*time_controls_box, false, false, 1);
 434         }
 435
 436         transport_tearoff_hbox.pack_start (*clock_box, false, false, 0);
 437
 438         HBox* toggle_box = manage(new HBox);
 439
 440         VBox* punch_box = manage (new VBox);
 441         punch_box->pack_start (punch_in_button, false, false);
 442         punch_box->pack_start (punch_out_button, false, false);
 443         toggle_box->pack_start (*punch_box, false, false);
 444
 445         VBox* auto_box = manage (new VBox);
 446         auto_box->pack_start (auto_play_button, false, false);
 447         auto_box->pack_start (auto_return_button, false, false);
 448         toggle_box->pack_start (*auto_box, false, false);
 449
 450         VBox* io_box = manage (new VBox);
 451         io_box->pack_start (auto_input_button, false, false);
 452         io_box->pack_start (click_button, false, false);
 453         toggle_box->pack_start (*io_box, false, false);
 454
 455         /* desensitize */
 456
 457         set_transport_sensitivity (false);
 458
 459 //      toggle_box->pack_start (preroll_button, false, false);
 460 //      toggle_box->pack_start (preroll_clock, false, false);
 461
 462 //      toggle_box->pack_start (postroll_button, false, false);
 463 //      toggle_box->pack_start (postroll_clock, false, false);
 464
 465         transport_tearoff_hbox.pack_start (*toggle_box, false, false, 4);
 466         transport_tearoff_hbox.pack_start (alert_box, false, false);
 467
 468         if (Profile->get_sae()) {
 469                 Image* img = manage (new Image ((::get_icon (X_("sae")))));
 470                 transport_tearoff_hbox.pack_end (*img, false, false, 6);
 471         }
 472
 473         XMLNode* tnode = tearoff_settings ("transport");
 474         if (tnode) {
 475                 transport_tearoff->set_state (*tnode);
 476         }
 477 }
 478
 479 void
 480 ARDOUR_UI::manage_window (Window& win)
 481 {
 482         win.signal_delete_event().connect (sigc::bind (sigc::ptr_fun (just_hide_it), &win));
 483         win.signal_enter_notify_event().connect (sigc::bind (sigc::mem_fun (Keyboard::the_keyboard(), &Keyboard::enter_window), &win));
 484         win.signal_leave_notify_event().connect (sigc::bind (sigc::mem_fun (Keyboard::the_keyboard(), &Keyboard::leave_window), &win));
 485 }
 486
 487 void
 488 ARDOUR_UI::detach_tearoff (Box* b, Widget* w)
 489 {
 490 //      editor->ensure_float (transport_tearoff->tearoff_window());
 491         b->remove (*w);
 492 }
 493
 494 void
 495 ARDOUR_UI::reattach_tearoff (Box* b, Widget* w, int32_t n)
 496 {
 497         b->pack_start (*w);
 498         b->reorder_child (*w, n);
 499 }
 500
 501 void
 502 ARDOUR_UI::soloing_changed (bool onoff)
 503 {
 504         if (solo_alert_button.get_active() != onoff) {
 505                 solo_alert_button.set_active (onoff);
 506         }
 507 }
 508
 509 void
 510 ARDOUR_UI::_auditioning_changed (bool onoff)
 511 {
 512         if (auditioning_alert_button.get_active() != onoff) {
 513                 auditioning_alert_button.set_active (onoff);
 514                 set_transport_sensitivity (!onoff);
 515         }
 516 }
 517
 518 void
 519 ARDOUR_UI::auditioning_changed (bool onoff)
 520 {
 521         UI::instance()->call_slot (MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::_auditioning_changed, this, onoff));
 522 }
 523
 524 bool
 525 ARDOUR_UI::audition_alert_press (GdkEventButton*)
 526 {
 527         if (_session) {
 528                 _session->cancel_audition();
 529         }
 530         return true;
 531 }
 532
 533 bool
 534 ARDOUR_UI::solo_alert_press (GdkEventButton*)
 535 {
 536         if (_session) {
 537                 if (_session->soloing()) {
 538                         _session->set_solo (_session->get_routes(), false);
 539                 } else if (_session->listening()) {
 540                         _session->set_listen (_session->get_routes(), false);
 541                 }
 542         }
 543         return true;
 544 }
 545
 546 void
 547 ARDOUR_UI::solo_blink (bool onoff)
 548 {
 549         if (_session == 0) {
 550                 return;
 551         }
 552
 553         if (_session->soloing() || _session->listening()) {
 554                 if (onoff) {
 555                         solo_alert_button.set_state (STATE_ACTIVE);
 556                 } else {
 557                         solo_alert_button.set_state (STATE_NORMAL);
 558                 }
 559         } else {
 560                 solo_alert_button.set_active (false);
 561                 solo_alert_button.set_state (STATE_NORMAL);
 562         }
 563 }
 564
 565 void
 566 ARDOUR_UI::sync_blink (bool onoff)
 567 {
 568         if (_session == 0 || !_session->config.get_external_sync()) {
 569                 /* internal sync */
 570                 sync_button.set_visual_state (0);
 571                 return;
 572         }
 573
 574         if (!_session->transport_locked()) {
 575                 /* not locked, so blink on and off according to the onoff argument */
 576
 577                 if (onoff) {
 578                         sync_button.set_visual_state (1); // "-active"
 579                 } else {
 580                         sync_button.set_visual_state (0); // normal
 581                 }
 582         } else {
 583                 /* locked */
 584                 sync_button.set_visual_state (1); // "-active"
 585         }
 586 }
 587
 588 void
 589 ARDOUR_UI::audition_blink (bool onoff)
 590 {
 591         if (_session == 0) {
 592                 return;
 593         }
 594
 595         if (_session->is_auditioning()) {
 596                 if (onoff) {
 597                         auditioning_alert_button.set_state (STATE_ACTIVE);
 598                 } else {
 599                         auditioning_alert_button.set_state (STATE_NORMAL);
 600                 }
 601         } else {
 602                 auditioning_alert_button.set_active (false);
 603                 auditioning_alert_button.set_state (STATE_NORMAL);
 604         }
 605 }
 606
 607 void
 608 ARDOUR_UI::build_shuttle_context_menu ()
 609 {
 610         using namespace Menu_Helpers;
 611
 612         shuttle_context_menu = new Menu();
 613         MenuList& items = shuttle_context_menu->items();
 614
 615         Menu* speed_menu = manage (new Menu());
 616         MenuList& speed_items = speed_menu->items();
 617
 618         RadioMenuItem::Group group;
 619
 620         speed_items.push_back (RadioMenuElem (group, "8", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 8.0f)));
 621         if (shuttle_max_speed == 8.0) {
 622                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 623         }
 624         speed_items.push_back (RadioMenuElem (group, "6", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 6.0f)));
 625         if (shuttle_max_speed == 6.0) {
 626                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 627         }
 628         speed_items.push_back (RadioMenuElem (group, "4", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 4.0f)));
 629         if (shuttle_max_speed == 4.0) {
 630                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 631         }
 632         speed_items.push_back (RadioMenuElem (group, "3", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 3.0f)));
 633         if (shuttle_max_speed == 3.0) {
 634                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 635         }
 636         speed_items.push_back (RadioMenuElem (group, "2", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 2.0f)));
 637         if (shuttle_max_speed == 2.0) {
 638                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 639         }
 640         speed_items.push_back (RadioMenuElem (group, "1.5", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 1.5f)));
 641         if (shuttle_max_speed == 1.5) {
 642                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 643         }
 644
 645         items.push_back (MenuElem (_("Maximum speed"), *speed_menu));
 646 }
 647
 648 void
 649 ARDOUR_UI::show_shuttle_context_menu ()
 650 {
 651         if (shuttle_context_menu == 0) {
 652                 build_shuttle_context_menu ();
 653         }
 654
 655         shuttle_context_menu->popup (1, gtk_get_current_event_time());
 656 }
 657
 658 void
 659 ARDOUR_UI::set_shuttle_max_speed (float speed)
 660 {
 661         shuttle_max_speed = speed;
 662 }
 663
 664 gint
 665 ARDOUR_UI::shuttle_box_button_press (GdkEventButton* ev)
 666 {
 667         if (!_session) {
 668                 return true;
 669         }
 670
 671         if (shuttle_controller_binding_proxy.button_press_handler (ev)) {
 672                 return true;
 673         }
 674
 675         if (Keyboard::is_context_menu_event (ev)) {
 676                 show_shuttle_context_menu ();
 677                 return true;
 678         }
 679
 680         switch (ev->button) {
 681         case 1:
 682                 shuttle_box.add_modal_grab ();
 683                 shuttle_grabbed = true;
 684                 mouse_shuttle (ev->x, true);
 685                 break;
 686
 687         case 2:
 688         case 3:
 689                 return true;
 690                 break;
 691         }
 692
 693         return true;
 694 }
 695
 696 gint
 697 ARDOUR_UI::shuttle_box_button_release (GdkEventButton* ev)
 698 {
 699         if (!_session) {
 700                 return true;
 701         }
 702
 703         switch (ev->button) {
 704         case 1:
 705                 mouse_shuttle (ev->x, true);
 706                 shuttle_grabbed = false;
 707                 shuttle_box.remove_modal_grab ();
 708                 if (Config->get_shuttle_behaviour() == Sprung) {
 709                         if (_session->config.get_auto_play() || roll_button.get_visual_state()) {
 710                                 shuttle_fract = SHUTTLE_FRACT_SPEED1;
 711                                 _session->request_transport_speed (1.0);
 712                                 stop_button.set_visual_state (0);
 713                                 roll_button.set_visual_state (1);
 714                         } else {
 715                                 shuttle_fract = 0;
 716                                 _session->request_transport_speed (0.0);
 717                         }
 718                         shuttle_box.queue_draw ();
 719                 }
 720                 return true;
 721
 722         case 2:
 723                 if (_session->transport_rolling()) {
 724                         shuttle_fract = SHUTTLE_FRACT_SPEED1;
 725                         _session->request_transport_speed (1.0);
 726                         stop_button.set_visual_state (0);
 727                         roll_button.set_visual_state (1);
 728                 } else {
 729                         shuttle_fract = 0;
 730                 }
 731                 shuttle_box.queue_draw ();
 732                 return true;
 733
 734         case 3:
 735         default:
 736                 return true;
 737
 738         }
 739
 740         use_shuttle_fract (true);
 741
 742         return true;
 743 }
 744
 745 gint
 746 ARDOUR_UI::shuttle_box_scroll (GdkEventScroll* ev)
 747 {
 748         if (!_session) {
 749                 return true;
 750         }
 751
 752         switch (ev->direction) {
 753
 754         case GDK_SCROLL_UP:
 755                 shuttle_fract += 0.005;
 756                 break;
 757         case GDK_SCROLL_DOWN:
 758                 shuttle_fract -= 0.005;
 759                 break;
 760         default:
 761                 /* scroll left/right */
 762                 return false;
 763         }
 764
 765         use_shuttle_fract (true);
 766
 767         return true;
 768 }
 769
 770 gint
 771 ARDOUR_UI::shuttle_box_motion (GdkEventMotion* ev)
 772 {
 773         if (!_session || !shuttle_grabbed) {
 774                 return true;
 775         }
 776
 777         return mouse_shuttle (ev->x, false);
 778 }
 779
 780 gint
 781 ARDOUR_UI::mouse_shuttle (double x, bool force)
 782 {
 783         double const half_width = shuttle_box.get_width() / 2.0;
 784         double distance = x - half_width;
 785
 786         if (distance > 0) {
 787                 distance = min (distance, half_width);
 788         } else {
 789                 distance = max (distance, -half_width);
 790         }
 791
 792         shuttle_fract = distance / half_width;
 793         use_shuttle_fract (force);
 794         return true;
 795 }
 796
 797 void
 798 ARDOUR_UI::set_shuttle_fract (double f)
 799 {
 800         shuttle_fract = f;
 801         use_shuttle_fract (false);
 802 }
 803
 804 void
 805 ARDOUR_UI::use_shuttle_fract (bool force)
 806 {
 807         microseconds_t now = get_microseconds();
 808
 809         /* do not attempt to submit a motion-driven transport speed request
 810            more than once per process cycle.
 811          */
 812
 813         if (!force && (last_shuttle_request - now) < (microseconds_t) engine->usecs_per_cycle()) {
 814                 return;
 815         }
 816
 817         last_shuttle_request = now;
 818
 819         double speed = 0;
 820
 821         if (Config->get_shuttle_units() == Semitones) {
 822
 823                 double const step = 1.0 / 24.0; // range is 24 semitones up & down
 824                 double const semitones = round (shuttle_fract / step);
 825                 speed = pow (2.0, (semitones / 12.0));
 826
 827         } else {
 828
 829                 bool const neg = (shuttle_fract < 0.0);
 830                 double fract = 1 - sqrt (1 - (shuttle_fract * shuttle_fract)); // Formula A1
 831
 832                 if (neg) {
 833                         fract = -fract;
 834                 }
 835
 836                 speed = shuttle_max_speed * fract;
 837         }
 838
 839         _session->request_transport_speed_nonzero (speed);
 840
 841         shuttle_box.queue_draw ();
 842 }
 843
 844 gint
 845 ARDOUR_UI::shuttle_box_expose (GdkEventExpose* event)
 846 {
 847         gint x;
 848         Glib::RefPtr<Gdk::Window> win (shuttle_box.get_window());
 849
 850         /* redraw the background */
 851
 852         win->draw_rectangle (shuttle_box.get_style()->get_bg_gc (shuttle_box.get_state()),
 853                              true,
 854                              event->area.x, event->area.y,
 855                              event->area.width, event->area.height);
 856
 857
 858         x = (gint) floor ((shuttle_box.get_width() / 2.0) + (0.5 * (shuttle_box.get_width() * shuttle_fract)));
 859
 860         /* draw line */
 861
 862         win->draw_line (shuttle_box.get_style()->get_fg_gc (shuttle_box.get_state()),
 863                         x,
 864                         0,
 865                         x,
 866                         shuttle_box.get_height());
 867         return true;
 868 }
 869
 870 void
 871 ARDOUR_UI::shuttle_unit_clicked ()
 872 {
 873         if (shuttle_unit_menu == 0) {
 874                 shuttle_unit_menu = dynamic_cast<Menu*> (ActionManager::get_widget ("/ShuttleUnitPopup"));
 875         }
 876         shuttle_unit_menu->popup (1, gtk_get_current_event_time());
 877 }
 878
 879 void
 880 ARDOUR_UI::shuttle_style_changed ()
 881 {
 882         string str = shuttle_style_button.get_active_text ();
 883
 884         if (str == _("sprung")) {
 885                 Config->set_shuttle_behaviour (Sprung);
 886         } else if (str == _("wheel")) {
 887                 Config->set_shuttle_behaviour (Wheel);
 888         }
 889 }
 890
 891 void
 892 ARDOUR_UI::update_speed_display ()
 893 {
 894         if (!_session) {
 895                 if (last_speed_displayed != 0) {
 896                         speed_display_label.set_text (_("stop"));
 897                         last_speed_displayed = 0;
 898                 }
 899                 return;
 900         }
 901
 902         char buf[32];
 903         float x = _session->transport_speed ();
 904
 905         if (x != last_speed_displayed) {
 906
 907                 if (x != 0) {
 908                         if (Config->get_shuttle_units() == Percentage) {
 909                                 snprintf (buf, sizeof (buf), "%d", (int) round (x * 100));
 910                         } else {
 911
 912                                 if (x < 0) {
 913                                         snprintf (buf, sizeof (buf), "< %d", (int) round (12.0 * fast_log2 (-x)));
 914                                 } else {
 915                                         snprintf (buf, sizeof (buf), "> %d", (int) round (12.0 * fast_log2 (x)));
 916                                 }
 917                         }
 918                         speed_display_label.set_text (buf);
 919                 } else {
 920                         speed_display_label.set_text (_("stop"));
 921                 }
 922
 923                 last_speed_displayed = x;
 924         }
 925 }
 926
 927 void
 928 ARDOUR_UI::set_transport_sensitivity (bool yn)
 929 {
 930         ActionManager::set_sensitive (ActionManager::transport_sensitive_actions, yn);
 931         shuttle_box.set_sensitive (yn);
 932 }
 933
 934 void
 935 ARDOUR_UI::editor_realized ()
 936 {
 937         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 938         Config->map_parameters (pc);
 939
 940         set_size_request_to_display_given_text (speed_display_box, _("-0.55"), 2, 2);
 941         reset_dpi ();
 942 }
 943
 944 void
 945 ARDOUR_UI::maximise_editing_space ()
 946 {
 947         if (!editor) {
 948                 return;
 949         }
 950
 951         transport_tearoff->set_visible (false);
 952         editor->maximise_editing_space ();
 953         if (Config->get_keep_tearoffs()) {
 954                 transport_tearoff->set_visible (true);
 955         }
 956 }
 957
 958 void
 959 ARDOUR_UI::restore_editing_space ()
 960 {
 961         if (!editor) {
 962                 return;
 963         }
 964
 965         transport_tearoff->set_visible (true);
 966         editor->restore_editing_space ();
 967 }