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 #include "midi_tracer.h"
  49
  50 #include "i18n.h"
  51
  52 using namespace std;
  53 using namespace ARDOUR;
  54 using namespace PBD;
  55 using namespace Gtkmm2ext;
  56 using namespace Gtk;
  57 using namespace Glib;
  58
  59 int
  60 ARDOUR_UI::setup_windows ()
  61 {
  62         if (create_editor ()) {
  63                 error << _("UI: cannot setup editor") << endmsg;
  64                 return -1;
  65         }
  66
  67         if (create_mixer ()) {
  68                 error << _("UI: cannot setup mixer") << endmsg;
  69                 return -1;
  70         }
  71
  72         /* all other dialogs are created conditionally */
  73
  74         we_have_dependents ();
  75
  76         theme_manager->signal_unmap().connect (sigc::bind (sigc::ptr_fun(&ActionManager::uncheck_toggleaction), X_("<Actions>/Common/ToggleThemeManager")));
  77
  78 #ifdef TOP_MENUBAR
  79         HBox* status_bar_packer = manage (new HBox);
  80         EventBox* status_bar_event_box = manage (new EventBox);
  81
  82         status_bar_event_box->add (status_bar_label);
  83         status_bar_event_box->add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
  84         status_bar_label.set_size_request (300, -1);
  85         status_bar_packer->pack_start (*status_bar_event_box, true, true, 6);
  86         status_bar_packer->pack_start (error_log_button, false, false);
  87
  88         status_bar_label.show ();
  89         status_bar_event_box->show ();
  90         status_bar_packer->show ();
  91         error_log_button.show ();
  92
  93         error_log_button.signal_clicked().connect (mem_fun (*this, &UI::toggle_errors));
  94         status_bar_event_box->signal_button_press_event().connect (mem_fun (*this, &ARDOUR_UI::status_bar_button_press));
  95
  96         editor->get_status_bar_packer().pack_start (*status_bar_packer, true, true);
  97         editor->get_status_bar_packer().pack_start (menu_bar_base, false, false, 6);
  98 #else
  99         top_packer.pack_start (menu_bar_base, false, false);
 100 #endif
 101
 102         top_packer.pack_start (transport_frame, false, false);
 103
 104         editor->add_toplevel_controls (top_packer);
 105
 106         setup_clock ();
 107         setup_transport();
 108         build_menu_bar ();
 109
 110         _midi_tracer_window = new MidiTracer ();
 111         manage_window (*_midi_tracer_window);
 112
 113         setup_tooltips ();
 114
 115         return 0;
 116 }
 117
 118 void
 119 ARDOUR_UI::setup_tooltips ()
 120 {
 121         set_tip (roll_button, _("Play from playhead"));
 122         set_tip (stop_button, _("Stop playback"));
 123         set_tip (rec_button, _("Toggle record"));
 124         set_tip (play_selection_button, _("Play range/selection"));
 125         set_tip (join_play_range_button, _("Always play range/selection"));
 126         set_tip (goto_start_button, _("Go to start of session"));
 127         set_tip (goto_end_button, _("Go to end of session"));
 128         set_tip (auto_loop_button, _("Play loop range"));
 129
 130         set_tip (auto_return_button, _("Return to last playback start when stopped"));
 131         set_tip (auto_play_button, _("Start playback after any locate"));
 132         set_tip (auto_input_button, _("Be sensible about input monitoring"));
 133         set_tip (punch_in_button, _("Start recording at auto-punch start"));
 134         set_tip (punch_out_button, _("Stop recording at auto-punch end"));
 135         set_tip (click_button, _("Enable/Disable audio click"));
 136         set_tip (sync_button, _("Enable/Disable external positional sync"));
 137         set_tip (time_master_button, string_compose (_("Does %1 control the time?"), PROGRAM_NAME));
 138         set_tip (shuttle_box, _("Shuttle speed control"));
 139         set_tip (shuttle_units_button, _("Select semitones or %%-age for speed display"));
 140         set_tip (speed_display_box, _("Current transport speed"));
 141         set_tip (solo_alert_button, _("When active, something is soloed.\nClick to de-solo everything"));
 142         set_tip (auditioning_alert_button, _("When active, auditioning is taking place\nClick to stop the audition"));
 143         set_tip (primary_clock, _("Primary clock"));
 144         set_tip (secondary_clock, _("secondary clock"));
 145
 146         editor->setup_tooltips ();
 147 }
 148
 149 bool
 150 ARDOUR_UI::status_bar_button_press (GdkEventButton* ev)
 151 {
 152         bool handled = false;
 153
 154         switch (ev->button) {
 155         case 1:
 156                 status_bar_label.set_text ("");
 157                 handled = true;
 158                 break;
 159         default:
 160                 break;
 161         }
 162
 163         return handled;
 164 }
 165
 166 void
 167 ARDOUR_UI::display_message (const char *prefix, gint prefix_len, RefPtr<TextBuffer::Tag> ptag, RefPtr<TextBuffer::Tag> mtag, const char *msg)
 168 {
 169         ustring text;
 170
 171         UI::display_message (prefix, prefix_len, ptag, mtag, msg);
 172 #ifdef TOP_MENUBAR
 173
 174         if (strcmp (prefix, _("[ERROR]: ")) == 0) {
 175                 text = "<span color=\"red\" weight=\"bold\">";
 176         } else if (strcmp (prefix, _("[WARNING]: ")) == 0) {
 177                 text = "<span color=\"yellow\" weight=\"bold\">";
 178         } else if (strcmp (prefix, _("[INFO]: ")) == 0) {
 179                 text = "<span color=\"green\" weight=\"bold\">";
 180         } else {
 181                 text = "<span color=\"white\" weight=\"bold\">???";
 182         }
 183
 184         text += prefix;
 185         text += "</span>";
 186         text += msg;
 187
 188         status_bar_label.set_markup (text);
 189 #endif
 190 }
 191
 192 XMLNode*
 193 ARDOUR_UI::tearoff_settings (const char* name) const
 194 {
 195         XMLNode* ui_node = Config->extra_xml(X_("UI"));
 196
 197         if (ui_node) {
 198                 XMLNode* tearoff_node = ui_node->child (X_("Tearoffs"));
 199                 if (tearoff_node) {
 200                         XMLNode* mnode = tearoff_node->child (name);
 201                         return mnode;
 202                 }
 203         }
 204
 205         return 0;
 206 }
 207
 208 void
 209 ARDOUR_UI::setup_transport ()
 210 {
 211         transport_tearoff = manage (new TearOff (transport_tearoff_hbox));
 212         transport_tearoff->set_name ("TransportBase");
 213         transport_tearoff->tearoff_window().signal_key_press_event().connect (sigc::bind (sigc::ptr_fun (relay_key_press), &transport_tearoff->tearoff_window()), false);
 214
 215         if (Profile->get_sae()) {
 216                 transport_tearoff->set_can_be_torn_off (false);
 217         }
 218
 219         transport_hbox.pack_start (*transport_tearoff, true, false);
 220
 221         transport_base.set_name ("TransportBase");
 222         transport_base.add (transport_hbox);
 223
 224         transport_frame.set_shadow_type (SHADOW_OUT);
 225         transport_frame.set_name ("BaseFrame");
 226         transport_frame.add (transport_base);
 227
 228         transport_tearoff->Detach.connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::detach_tearoff), static_cast<Box*>(&top_packer),
 229                                                  static_cast<Widget*>(&transport_frame)));
 230         transport_tearoff->Attach.connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast<Box*> (&top_packer),
 231                                                  static_cast<Widget*> (&transport_frame), 1));
 232         transport_tearoff->Hidden.connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::detach_tearoff), static_cast<Box*>(&top_packer),
 233                                                  static_cast<Widget*>(&transport_frame)));
 234         transport_tearoff->Visible.connect (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::reattach_tearoff), static_cast<Box*> (&top_packer),
 235                                                   static_cast<Widget*> (&transport_frame), 1));
 236
 237         shuttle_box.set_name ("TransportButton");
 238         goto_start_button.set_name ("TransportButton");
 239         goto_end_button.set_name ("TransportButton");
 240         roll_button.set_name ("TransportButton");
 241         stop_button.set_name ("TransportButton");
 242         play_selection_button.set_name ("TransportButton");
 243         rec_button.set_name ("TransportRecButton");
 244         auto_loop_button.set_name ("TransportButton");
 245         join_play_range_button.set_name ("TransportButton");
 246
 247         auto_return_button.set_name ("TransportButton");
 248         auto_play_button.set_name ("TransportButton");
 249         auto_input_button.set_name ("TransportButton");
 250         punch_in_button.set_name ("TransportButton");
 251         punch_out_button.set_name ("TransportButton");
 252         click_button.set_name ("TransportButton");
 253         time_master_button.set_name ("TransportButton");
 254         sync_button.set_name ("TransportSyncButton");
 255
 256         stop_button.set_size_request(29, -1);
 257         roll_button.set_size_request(29, -1);
 258         auto_loop_button.set_size_request(29, -1);
 259         play_selection_button.set_size_request(29, -1);
 260         goto_start_button.set_size_request(29, -1);
 261         goto_end_button.set_size_request(29, -1);
 262         rec_button.set_size_request(29, -1);
 263
 264         Widget* w;
 265
 266         stop_button.set_visual_state (1);
 267
 268         w = manage (new Image (get_icon (X_("transport_start"))));
 269         w->show();
 270         goto_start_button.add (*w);
 271         w = manage (new Image (get_icon (X_("transport_end"))));
 272         w->show();
 273         goto_end_button.add (*w);
 274         w = manage (new Image (get_icon (X_("transport_play"))));
 275         w->show();
 276         roll_button.add (*w);
 277         w = manage (new Image (get_icon (X_("transport_stop"))));
 278         w->show();
 279         stop_button.add (*w);
 280         w = manage (new Image (get_icon (X_("transport_range"))));
 281         w->show();
 282         play_selection_button.add (*w);
 283         w = manage (new Image (get_icon (X_("transport_record"))));
 284         w->show();
 285         rec_button.add (*w);
 286         w = manage (new Image (get_icon (X_("transport_loop"))));
 287         w->show();
 288         auto_loop_button.add (*w);
 289         w = manage (new Image (get_icon (X_("join_tools"))));
 290         w->show ();
 291         join_play_range_button.add (*w);
 292
 293         RefPtr<Action> act;
 294
 295         act = ActionManager::get_action (X_("Transport"), X_("Stop"));
 296         act->connect_proxy (stop_button);
 297         act = ActionManager::get_action (X_("Transport"), X_("Roll"));
 298         act->connect_proxy (roll_button);
 299         act = ActionManager::get_action (X_("Transport"), X_("Record"));
 300         act->connect_proxy (rec_button);
 301         act = ActionManager::get_action (X_("Transport"), X_("GotoStart"));
 302         act->connect_proxy (goto_start_button);
 303         act = ActionManager::get_action (X_("Transport"), X_("GotoEnd"));
 304         act->connect_proxy (goto_end_button);
 305         act = ActionManager::get_action (X_("Transport"), X_("Loop"));
 306         act->connect_proxy (auto_loop_button);
 307         act = ActionManager::get_action (X_("Transport"), X_("PlaySelection"));
 308         act->connect_proxy (play_selection_button);
 309         act = ActionManager::get_action (X_("Transport"), X_("ToggleTimeMaster"));
 310         act->connect_proxy (time_master_button);
 311         act = ActionManager::get_action (X_("Transport"), X_("ToggleExternalSync"));
 312         act->connect_proxy (sync_button);
 313
 314         shuttle_box.set_flags (CAN_FOCUS);
 315         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);
 316         shuttle_box.set_size_request (100, 15);
 317
 318         shuttle_box.signal_button_press_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_button_press));
 319         shuttle_box.signal_button_release_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_button_release));
 320         shuttle_box.signal_scroll_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_scroll));
 321         shuttle_box.signal_motion_notify_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_motion));
 322         shuttle_box.signal_expose_event().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_box_expose));
 323
 324         /* clocks, etc. */
 325
 326         ARDOUR_UI::Clock.connect (sigc::bind (sigc::mem_fun (primary_clock, &AudioClock::set), 'p'));
 327         ARDOUR_UI::Clock.connect (sigc::bind (sigc::mem_fun (secondary_clock, &AudioClock::set), 's'));
 328
 329         primary_clock.ValueChanged.connect (sigc::mem_fun(*this, &ARDOUR_UI::primary_clock_value_changed));
 330         secondary_clock.ValueChanged.connect (sigc::mem_fun(*this, &ARDOUR_UI::secondary_clock_value_changed));
 331         big_clock.ValueChanged.connect (sigc::mem_fun(*this, &ARDOUR_UI::big_clock_value_changed));
 332
 333         ActionManager::get_action ("Transport", "ToggleAutoReturn")->connect_proxy (auto_return_button);
 334         ActionManager::get_action ("Transport", "ToggleAutoPlay")->connect_proxy (auto_play_button);
 335         ActionManager::get_action ("Transport", "ToggleAutoInput")->connect_proxy (auto_input_button);
 336         ActionManager::get_action ("Transport", "ToggleClick")->connect_proxy (click_button);
 337         ActionManager::get_action ("Transport", "TogglePunchIn")->connect_proxy (punch_in_button);
 338         ActionManager::get_action ("Transport", "TogglePunchOut")->connect_proxy (punch_out_button);
 339
 340         preroll_button.set_name ("TransportButton");
 341         postroll_button.set_name ("TransportButton");
 342
 343         preroll_clock.set_mode (AudioClock::MinSec);
 344         preroll_clock.set_name ("TransportClockDisplay");
 345         postroll_clock.set_mode (AudioClock::MinSec);
 346         postroll_clock.set_name ("TransportClockDisplay");
 347
 348         /* alerts */
 349
 350         /* CANNOT sigc::bind these to clicked or toggled, must use pressed or released */
 351
 352         solo_alert_button.set_name ("TransportSoloAlert");
 353         solo_alert_button.signal_button_press_event().connect (sigc::mem_fun(*this,&ARDOUR_UI::solo_alert_press), false);
 354         auditioning_alert_button.set_name ("TransportAuditioningAlert");
 355         auditioning_alert_button.signal_button_press_event().connect (sigc::mem_fun(*this,&ARDOUR_UI::audition_alert_press), false);
 356
 357         alert_box.pack_start (solo_alert_button, false, false);
 358         alert_box.pack_start (auditioning_alert_button, false, false);
 359
 360         transport_tearoff_hbox.set_border_width (3);
 361
 362         transport_tearoff_hbox.pack_start (goto_start_button, false, false);
 363         transport_tearoff_hbox.pack_start (goto_end_button, false, false);
 364
 365         Frame* sframe = manage (new Frame);
 366         VBox*  svbox = manage (new VBox);
 367         HBox*  shbox = manage (new HBox);
 368
 369         sframe->set_shadow_type (SHADOW_IN);
 370         sframe->add (shuttle_box);
 371
 372         shuttle_box.set_name (X_("ShuttleControl"));
 373
 374         speed_display_box.add (speed_display_label);
 375         speed_display_box.set_name (X_("ShuttleDisplay"));
 376         set_size_request_to_display_given_text (speed_display_label, X_("> 24.0"), 2, 2);
 377
 378         shuttle_units_button.set_name (X_("ShuttleButton"));
 379         shuttle_units_button.signal_clicked().connect (sigc::mem_fun(*this, &ARDOUR_UI::shuttle_unit_clicked));
 380
 381         shuttle_style_button.set_name (X_("ShuttleStyleButton"));
 382
 383         vector<string> shuttle_strings;
 384         shuttle_strings.push_back (_("sprung"));
 385         shuttle_strings.push_back (_("wheel"));
 386         set_popdown_strings (shuttle_style_button, shuttle_strings, true);
 387         shuttle_style_button.signal_changed().connect (sigc::mem_fun (*this, &ARDOUR_UI::shuttle_style_changed));
 388
 389         Frame* sdframe = manage (new Frame);
 390
 391         sdframe->set_shadow_type (SHADOW_IN);
 392         sdframe->add (speed_display_box);
 393
 394         /* translators: Egternal is "External" with a descender character */
 395         set_size_request_to_display_given_text (sync_button, X_("Egternal"), 4, 10);
 396
 397         shbox->pack_start (*sdframe, false, false);
 398         shbox->pack_start (shuttle_units_button, true, true);
 399         shbox->pack_start (shuttle_style_button, false, false);
 400
 401         svbox->pack_start (*sframe, false, false);
 402         svbox->pack_start (*shbox, false, false);
 403
 404         transport_tearoff_hbox.pack_start (*svbox, false, false, 3);
 405
 406         if (Profile->get_sae()) {
 407                 transport_tearoff_hbox.pack_start (auto_loop_button);
 408                 transport_tearoff_hbox.pack_start (roll_button);
 409         } else {
 410                 transport_tearoff_hbox.pack_start (auto_loop_button, false, false);
 411                 play_range_hbox.pack_start (play_selection_button, false, false);
 412                 play_range_hbox.pack_start (roll_button, false, false);
 413                 play_range_vbox.pack_start (play_range_hbox, false, false);
 414                 play_range_vbox.pack_start (join_play_range_button, false, false);
 415                 transport_tearoff_hbox.pack_start (play_range_vbox, false, false);
 416         }
 417         transport_tearoff_hbox.pack_start (stop_button, false, false);
 418         transport_tearoff_hbox.pack_start (rec_button, false, false, 6);
 419
 420         HBox* clock_box = manage (new HBox);
 421         clock_box->pack_start (primary_clock, false, false);
 422         if (!ARDOUR::Profile->get_small_screen()) {
 423                 clock_box->pack_start (secondary_clock, false, false);
 424         }
 425
 426         if (!Profile->get_sae()) {
 427                 VBox* time_controls_box = manage (new VBox);
 428                 time_controls_box->pack_start (sync_button, false, false);
 429                 time_controls_box->pack_start (time_master_button, false, false);
 430                 clock_box->pack_start (*time_controls_box, false, false, 1);
 431         }
 432
 433         transport_tearoff_hbox.pack_start (*clock_box, false, false, 0);
 434
 435         HBox* toggle_box = manage(new HBox);
 436
 437         VBox* punch_box = manage (new VBox);
 438         punch_box->pack_start (punch_in_button, false, false);
 439         punch_box->pack_start (punch_out_button, false, false);
 440         toggle_box->pack_start (*punch_box, false, false);
 441
 442         VBox* auto_box = manage (new VBox);
 443         auto_box->pack_start (auto_play_button, false, false);
 444         auto_box->pack_start (auto_return_button, false, false);
 445         toggle_box->pack_start (*auto_box, false, false);
 446
 447         VBox* io_box = manage (new VBox);
 448         io_box->pack_start (auto_input_button, false, false);
 449         io_box->pack_start (click_button, false, false);
 450         toggle_box->pack_start (*io_box, false, false);
 451
 452         /* desensitize */
 453
 454         set_transport_sensitivity (false);
 455
 456 //      toggle_box->pack_start (preroll_button, false, false);
 457 //      toggle_box->pack_start (preroll_clock, false, false);
 458
 459 //      toggle_box->pack_start (postroll_button, false, false);
 460 //      toggle_box->pack_start (postroll_clock, false, false);
 461
 462         transport_tearoff_hbox.pack_start (*toggle_box, false, false, 4);
 463         transport_tearoff_hbox.pack_start (alert_box, false, false);
 464
 465         if (Profile->get_sae()) {
 466                 Image* img = manage (new Image ((::get_icon (X_("sae")))));
 467                 transport_tearoff_hbox.pack_end (*img, false, false, 6);
 468         }
 469
 470         XMLNode* tnode = tearoff_settings ("transport");
 471         if (tnode) {
 472                 transport_tearoff->set_state (*tnode);
 473         }
 474 }
 475
 476 void
 477 ARDOUR_UI::manage_window (Window& win)
 478 {
 479         win.signal_delete_event().connect (sigc::bind (sigc::ptr_fun (just_hide_it), &win));
 480         win.signal_enter_notify_event().connect (sigc::bind (sigc::mem_fun (Keyboard::the_keyboard(), &Keyboard::enter_window), &win));
 481         win.signal_leave_notify_event().connect (sigc::bind (sigc::mem_fun (Keyboard::the_keyboard(), &Keyboard::leave_window), &win));
 482 }
 483
 484 void
 485 ARDOUR_UI::detach_tearoff (Box* b, Widget* w)
 486 {
 487 //      editor->ensure_float (transport_tearoff->tearoff_window());
 488         b->remove (*w);
 489 }
 490
 491 void
 492 ARDOUR_UI::reattach_tearoff (Box* b, Widget* w, int32_t n)
 493 {
 494         b->pack_start (*w);
 495         b->reorder_child (*w, n);
 496 }
 497
 498 void
 499 ARDOUR_UI::soloing_changed (bool onoff)
 500 {
 501         if (solo_alert_button.get_active() != onoff) {
 502                 solo_alert_button.set_active (onoff);
 503         }
 504 }
 505
 506 void
 507 ARDOUR_UI::_auditioning_changed (bool onoff)
 508 {
 509         if (auditioning_alert_button.get_active() != onoff) {
 510                 auditioning_alert_button.set_active (onoff);
 511                 set_transport_sensitivity (!onoff);
 512         }
 513 }
 514
 515 void
 516 ARDOUR_UI::auditioning_changed (bool onoff)
 517 {
 518         UI::instance()->call_slot (MISSING_INVALIDATOR, boost::bind (&ARDOUR_UI::_auditioning_changed, this, onoff));
 519 }
 520
 521 bool
 522 ARDOUR_UI::audition_alert_press (GdkEventButton* ev)
 523 {
 524         if (_session) {
 525                 _session->cancel_audition();
 526         }
 527         return true;
 528 }
 529
 530 bool
 531 ARDOUR_UI::solo_alert_press (GdkEventButton* ev)
 532 {
 533         if (_session) {
 534                 if (_session->soloing()) {
 535                         _session->set_solo (_session->get_routes(), false);
 536                 } else if (_session->listening()) {
 537                         _session->set_listen (_session->get_routes(), false);
 538                 }
 539         }
 540         return true;
 541 }
 542
 543 void
 544 ARDOUR_UI::solo_blink (bool onoff)
 545 {
 546         if (_session == 0) {
 547                 return;
 548         }
 549
 550         if (_session->soloing() || _session->listening()) {
 551                 if (onoff) {
 552                         solo_alert_button.set_state (STATE_ACTIVE);
 553                 } else {
 554                         solo_alert_button.set_state (STATE_NORMAL);
 555                 }
 556         } else {
 557                 solo_alert_button.set_active (false);
 558                 solo_alert_button.set_state (STATE_NORMAL);
 559         }
 560 }
 561
 562 void
 563 ARDOUR_UI::sync_blink (bool onoff)
 564 {
 565         if (_session == 0 || !_session->config.get_external_sync()) {
 566                 /* internal sync */
 567                 sync_button.set_visual_state (0);
 568                 return;
 569         }
 570
 571         if (!_session->transport_locked()) {
 572                 /* not locked, so blink on and off according to the onoff argument */
 573
 574                 if (onoff) {
 575                         sync_button.set_visual_state (1); // "-active"
 576                 } else {
 577                         sync_button.set_visual_state (0); // normal
 578                 }
 579         } else {
 580                 /* locked */
 581                 sync_button.set_visual_state (1); // "-active"
 582         }
 583 }
 584
 585 void
 586 ARDOUR_UI::audition_blink (bool onoff)
 587 {
 588         if (_session == 0) {
 589                 return;
 590         }
 591
 592         if (_session->is_auditioning()) {
 593                 if (onoff) {
 594                         auditioning_alert_button.set_state (STATE_ACTIVE);
 595                 } else {
 596                         auditioning_alert_button.set_state (STATE_NORMAL);
 597                 }
 598         } else {
 599                 auditioning_alert_button.set_active (false);
 600                 auditioning_alert_button.set_state (STATE_NORMAL);
 601         }
 602 }
 603
 604 void
 605 ARDOUR_UI::build_shuttle_context_menu ()
 606 {
 607         using namespace Menu_Helpers;
 608
 609         shuttle_context_menu = new Menu();
 610         MenuList& items = shuttle_context_menu->items();
 611
 612         Menu* speed_menu = manage (new Menu());
 613         MenuList& speed_items = speed_menu->items();
 614
 615         RadioMenuItem::Group group;
 616
 617         speed_items.push_back (RadioMenuElem (group, "8", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 8.0f)));
 618         if (shuttle_max_speed == 8.0) {
 619                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 620         }
 621         speed_items.push_back (RadioMenuElem (group, "6", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 6.0f)));
 622         if (shuttle_max_speed == 6.0) {
 623                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 624         }
 625         speed_items.push_back (RadioMenuElem (group, "4", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 4.0f)));
 626         if (shuttle_max_speed == 4.0) {
 627                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 628         }
 629         speed_items.push_back (RadioMenuElem (group, "3", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 3.0f)));
 630         if (shuttle_max_speed == 3.0) {
 631                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 632         }
 633         speed_items.push_back (RadioMenuElem (group, "2", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 2.0f)));
 634         if (shuttle_max_speed == 2.0) {
 635                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 636         }
 637         speed_items.push_back (RadioMenuElem (group, "1.5", sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::set_shuttle_max_speed), 1.5f)));
 638         if (shuttle_max_speed == 1.5) {
 639                 static_cast<RadioMenuItem*>(&speed_items.back())->set_active ();
 640         }
 641
 642         items.push_back (MenuElem (_("Maximum speed"), *speed_menu));
 643 }
 644
 645 void
 646 ARDOUR_UI::show_shuttle_context_menu ()
 647 {
 648         if (shuttle_context_menu == 0) {
 649                 build_shuttle_context_menu ();
 650         }
 651
 652         shuttle_context_menu->popup (1, gtk_get_current_event_time());
 653 }
 654
 655 void
 656 ARDOUR_UI::set_shuttle_max_speed (float speed)
 657 {
 658         shuttle_max_speed = speed;
 659 }
 660
 661 gint
 662 ARDOUR_UI::shuttle_box_button_press (GdkEventButton* ev)
 663 {
 664         if (!_session) {
 665                 return true;
 666         }
 667
 668         if (shuttle_controller_binding_proxy.button_press_handler (ev)) {
 669                 return true;
 670         }
 671
 672         if (Keyboard::is_context_menu_event (ev)) {
 673                 show_shuttle_context_menu ();
 674                 return true;
 675         }
 676
 677         switch (ev->button) {
 678         case 1:
 679                 shuttle_box.add_modal_grab ();
 680                 shuttle_grabbed = true;
 681                 mouse_shuttle (ev->x, true);
 682                 break;
 683
 684         case 2:
 685         case 3:
 686                 return true;
 687                 break;
 688         }
 689
 690         return true;
 691 }
 692
 693 gint
 694 ARDOUR_UI::shuttle_box_button_release (GdkEventButton* ev)
 695 {
 696         if (!_session) {
 697                 return true;
 698         }
 699
 700         switch (ev->button) {
 701         case 1:
 702                 mouse_shuttle (ev->x, true);
 703                 shuttle_grabbed = false;
 704                 shuttle_box.remove_modal_grab ();
 705                 if (Config->get_shuttle_behaviour() == Sprung) {
 706                         if (_session->config.get_auto_play() || roll_button.get_visual_state()) {
 707                                 shuttle_fract = SHUTTLE_FRACT_SPEED1;
 708                                 _session->request_transport_speed (1.0);
 709                                 stop_button.set_visual_state (0);
 710                                 roll_button.set_visual_state (1);
 711                         } else {
 712                                 shuttle_fract = 0;
 713                                 _session->request_transport_speed (0.0);
 714                         }
 715                         shuttle_box.queue_draw ();
 716                 }
 717                 return true;
 718
 719         case 2:
 720                 if (_session->transport_rolling()) {
 721                         shuttle_fract = SHUTTLE_FRACT_SPEED1;
 722                         _session->request_transport_speed (1.0);
 723                         stop_button.set_visual_state (0);
 724                         roll_button.set_visual_state (1);
 725                 } else {
 726                         shuttle_fract = 0;
 727                 }
 728                 shuttle_box.queue_draw ();
 729                 return true;
 730
 731         case 3:
 732         default:
 733                 return true;
 734
 735         }
 736
 737         use_shuttle_fract (true);
 738
 739         return true;
 740 }
 741
 742 gint
 743 ARDOUR_UI::shuttle_box_scroll (GdkEventScroll* ev)
 744 {
 745         if (!_session) {
 746                 return true;
 747         }
 748
 749         switch (ev->direction) {
 750
 751         case GDK_SCROLL_UP:
 752                 shuttle_fract += 0.005;
 753                 break;
 754         case GDK_SCROLL_DOWN:
 755                 shuttle_fract -= 0.005;
 756                 break;
 757         default:
 758                 /* scroll left/right */
 759                 return false;
 760         }
 761
 762         use_shuttle_fract (true);
 763
 764         return true;
 765 }
 766
 767 gint
 768 ARDOUR_UI::shuttle_box_motion (GdkEventMotion* ev)
 769 {
 770         if (!_session || !shuttle_grabbed) {
 771                 return true;
 772         }
 773
 774         return mouse_shuttle (ev->x, false);
 775 }
 776
 777 gint
 778 ARDOUR_UI::mouse_shuttle (double x, bool force)
 779 {
 780         double half_width = shuttle_box.get_width() / 2.0;
 781         double distance = x - half_width;
 782
 783         if (distance > 0) {
 784                 distance = min (distance, half_width);
 785         } else {
 786                 distance = max (distance, -half_width);
 787         }
 788
 789         shuttle_fract = distance / half_width;
 790         use_shuttle_fract (force);
 791         return true;
 792 }
 793
 794 void
 795 ARDOUR_UI::set_shuttle_fract (double f)
 796 {
 797         shuttle_fract = f;
 798         use_shuttle_fract (false);
 799 }
 800
 801 void
 802 ARDOUR_UI::use_shuttle_fract (bool force)
 803 {
 804         microseconds_t now = get_microseconds();
 805
 806         /* do not attempt to submit a motion-driven transport speed request
 807            more than once per process cycle.
 808          */
 809
 810         if (!force && (last_shuttle_request - now) < (microseconds_t) engine->usecs_per_cycle()) {
 811                 return;
 812         }
 813
 814         last_shuttle_request = now;
 815
 816         if (Config->get_shuttle_units() == Semitones) {
 817
 818                 const double step = 1.0 / 24.0; // range is 24 semitones up & down
 819                 double semitones;
 820                 double speed;
 821
 822                 semitones = round (shuttle_fract / step);
 823                 speed = pow (2.0, (semitones / 12.0));
 824
 825                 _session->request_transport_speed (speed);
 826
 827         } else {
 828
 829                 bool neg;
 830                 double fract;
 831
 832                 neg = (shuttle_fract < 0.0);
 833
 834                 fract = 1 - sqrt (1 - (shuttle_fract * shuttle_fract)); // Formula A1
 835
 836                 if (neg) {
 837                         fract = -fract;
 838                 }
 839
 840                 _session->request_transport_speed (shuttle_max_speed * fract);
 841         }
 842
 843         shuttle_box.queue_draw ();
 844 }
 845
 846 gint
 847 ARDOUR_UI::shuttle_box_expose (GdkEventExpose* event)
 848 {
 849         gint x;
 850         Glib::RefPtr<Gdk::Window> win (shuttle_box.get_window());
 851
 852         /* redraw the background */
 853
 854         win->draw_rectangle (shuttle_box.get_style()->get_bg_gc (shuttle_box.get_state()),
 855                              true,
 856                              event->area.x, event->area.y,
 857                              event->area.width, event->area.height);
 858
 859
 860         x = (gint) floor ((shuttle_box.get_width() / 2.0) + (0.5 * (shuttle_box.get_width() * shuttle_fract)));
 861
 862         /* draw line */
 863
 864         win->draw_line (shuttle_box.get_style()->get_fg_gc (shuttle_box.get_state()),
 865                         x,
 866                         0,
 867                         x,
 868                         shuttle_box.get_height());
 869         return true;
 870 }
 871
 872 void
 873 ARDOUR_UI::shuttle_unit_clicked ()
 874 {
 875         if (shuttle_unit_menu == 0) {
 876                 shuttle_unit_menu = dynamic_cast<Menu*> (ActionManager::get_widget ("/ShuttleUnitPopup"));
 877         }
 878         shuttle_unit_menu->popup (1, gtk_get_current_event_time());
 879 }
 880
 881 void
 882 ARDOUR_UI::shuttle_style_changed ()
 883 {
 884         ustring str = shuttle_style_button.get_active_text ();
 885
 886         if (str == _("sprung")) {
 887                 Config->set_shuttle_behaviour (Sprung);
 888         } else if (str == _("wheel")) {
 889                 Config->set_shuttle_behaviour (Wheel);
 890         }
 891 }
 892
 893 void
 894 ARDOUR_UI::update_speed_display ()
 895 {
 896         if (!_session) {
 897                 if (last_speed_displayed != 0) {
 898                         speed_display_label.set_text (_("stop"));
 899                         last_speed_displayed = 0;
 900                 }
 901                 return;
 902         }
 903
 904         char buf[32];
 905         float x = _session->transport_speed ();
 906
 907         if (x != last_speed_displayed) {
 908
 909                 if (x != 0) {
 910                         if (Config->get_shuttle_units() == Percentage) {
 911                                 snprintf (buf, sizeof (buf), "%d", (int) round (x * 100));
 912                         } else {
 913
 914                                 if (x < 0) {
 915                                         snprintf (buf, sizeof (buf), "< %d", (int) round (12.0 * fast_log2 (-x)));
 916                                 } else {
 917                                         snprintf (buf, sizeof (buf), "> %d", (int) round (12.0 * fast_log2 (x)));
 918                                 }
 919                         }
 920                         speed_display_label.set_text (buf);
 921                 } else {
 922                         speed_display_label.set_text (_("stop"));
 923                 }
 924
 925                 last_speed_displayed = x;
 926         }
 927 }
 928
 929 void
 930 ARDOUR_UI::set_transport_sensitivity (bool yn)
 931 {
 932         ActionManager::set_sensitive (ActionManager::transport_sensitive_actions, yn);
 933         shuttle_box.set_sensitive (yn);
 934 }
 935
 936 void
 937 ARDOUR_UI::editor_realized ()
 938 {
 939         boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
 940         Config->map_parameters (pc);
 941
 942         set_size_request_to_display_given_text (speed_display_box, _("-0.55"), 2, 2);
 943         reset_dpi ();
 944 }
 945
 946 void
 947 ARDOUR_UI::maximise_editing_space ()
 948 {
 949         if (!editor) {
 950                 return;
 951         }
 952
 953         transport_tearoff->set_visible (false);
 954         editor->maximise_editing_space ();
 955 }
 956
 957 void
 958 ARDOUR_UI::restore_editing_space ()
 959 {
 960         if (!editor) {
 961                 return;
 962         }
 963
 964         transport_tearoff->set_visible (true);
 965         editor->restore_editing_space ();
 966 }