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