gtk2_ardour/ardour_ui_ed.cc

   1 /*
   2     Copyright (C) 20002-2004 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 /* This file contains any ARDOUR_UI methods that require knowledge of
  25    the editor, and exists so that no compilation dependency exists
  26    between the main ARDOUR_UI modules and the PublicEditor class. This
  27    is to cut down on the nasty compile times for both these classes.
  28 */
  29
  30 #include <cmath>
  31
  32 #include <glibmm/miscutils.h>
  33 #include <gtk/gtk.h>
  34
  35 #include "gtkmm2ext/utils.h"
  36 #include "gtkmm2ext/window_title.h"
  37 #include "gtkmm2ext/tearoff.h"
  38 #include "gtkmm2ext/cairo_packer.h"
  39
  40 #include "pbd/file_utils.h"
  41 #include "pbd/fpu.h"
  42 #include "pbd/convert.h"
  43
  44 #include "ardour_ui.h"
  45 #include "public_editor.h"
  46 #include "audio_clock.h"
  47 #include "keyboard.h"
  48 #include "monitor_section.h"
  49 #include "engine_dialog.h"
  50 #include "editor.h"
  51 #include "actions.h"
  52 #include "meterbridge.h"
  53 #include "mixer_ui.h"
  54 #include "startup.h"
  55 #include "window_manager.h"
  56 #include "global_port_matrix.h"
  57 #include "location_ui.h"
  58 #include "main_clock.h"
  59
  60 #include <gtkmm2ext/application.h>
  61
  62 #include "ardour/session.h"
  63 #include "ardour/profile.h"
  64 #include "ardour/audioengine.h"
  65
  66 #include "control_protocol/control_protocol.h"
  67
  68 #include "i18n.h"
  69
  70 using namespace std;
  71 using namespace ARDOUR;
  72 using namespace PBD;
  73 using namespace Gtkmm2ext;
  74 using namespace Gtk;
  75 using namespace Glib;
  76
  77 int
  78 ARDOUR_UI::create_editor ()
  79 {
  80         try {
  81                 editor = new Editor ();
  82         }
  83
  84         catch (failed_constructor& err) {
  85                 return -1;
  86         }
  87
  88         editor->Realized.connect (sigc::mem_fun (*this, &ARDOUR_UI::editor_realized));
  89         editor->signal_event().connect (sigc::bind (sigc::ptr_fun (&Keyboard::catch_user_event_for_pre_dialog_focus), editor));
  90
  91         return 0;
  92 }
  93
  94 void
  95 ARDOUR_UI::install_actions ()
  96 {
  97         Glib::RefPtr<ActionGroup> main_actions = ActionGroup::create (X_("Main"));
  98         Glib::RefPtr<ActionGroup> main_menu_actions = ActionGroup::create (X_("Main_menu"));
  99         Glib::RefPtr<Action> act;
 100
 101         /* menus + submenus that need action items */
 102
 103         ActionManager::register_action (main_menu_actions, X_("Session"), _("Session"));
 104         act = ActionManager::register_action (main_menu_actions, X_("Cleanup"), _("Clean-up"));
 105         ActionManager::write_sensitive_actions.push_back (act);
 106         ActionManager::register_action (main_menu_actions, X_("Sync"), _("Sync"));
 107         ActionManager::register_action (main_menu_actions, X_("TransportOptions"), _("Options"));
 108         ActionManager::register_action (main_menu_actions, X_("WindowMenu"), _("Window"));
 109         ActionManager::register_action (main_menu_actions, X_("Help"), _("Help"));
 110         ActionManager::register_action (main_menu_actions, X_("KeyMouseActions"), _("Misc. Shortcuts"));
 111         ActionManager::register_action (main_menu_actions, X_("AudioFileFormat"), _("Audio File Format"));
 112         ActionManager::register_action (main_menu_actions, X_("AudioFileFormatHeader"), _("File Type"));
 113         ActionManager::register_action (main_menu_actions, X_("AudioFileFormatData"), _("Sample Format"));
 114         ActionManager::register_action (main_menu_actions, X_("ControlSurfaces"), _("Control Surfaces"));
 115         ActionManager::register_action (main_menu_actions, X_("Plugins"), _("Plugins"));
 116         ActionManager::register_action (main_menu_actions, X_("Metering"), _("Metering"));
 117         ActionManager::register_action (main_menu_actions, X_("MeteringFallOffRate"), _("Fall Off Rate"));
 118         ActionManager::register_action (main_menu_actions, X_("MeteringHoldTime"), _("Hold Time"));
 119         ActionManager::register_action (main_menu_actions, X_("Denormals"), _("Denormal Handling"));
 120
 121         /* the real actions */
 122
 123         act = ActionManager::register_action (main_actions, X_("New"), _("New..."),  hide_return (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::get_session_parameters), false, true, "")));
 124
 125         ActionManager::register_action (main_actions, X_("Open"), _("Open..."),  sigc::mem_fun(*this, &ARDOUR_UI::open_session));
 126         ActionManager::register_action (main_actions, X_("Recent"), _("Recent..."),  sigc::mem_fun(*this, &ARDOUR_UI::open_recent_session));
 127         act = ActionManager::register_action (main_actions, X_("Close"), _("Close"),  sigc::mem_fun(*this, &ARDOUR_UI::close_session));
 128         ActionManager::session_sensitive_actions.push_back (act);
 129
 130         act = ActionManager::register_action (main_actions, X_("AddTrackBus"), _("Add Track or Bus..."),
 131                                               sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::add_route), (Gtk::Window*) 0));
 132         ActionManager::session_sensitive_actions.push_back (act);
 133         ActionManager::write_sensitive_actions.push_back (act);
 134
 135         act = ActionManager::register_action (main_actions, X_("duplicate-routes"), _("Duplicate Tracks/Busses..."),
 136                                               sigc::mem_fun(*this, &ARDOUR_UI::start_duplicate_routes));
 137         ActionManager::session_sensitive_actions.push_back (act);
 138         ActionManager::write_sensitive_actions.push_back (act);
 139         ActionManager::track_selection_sensitive_actions.push_back (act);
 140
 141         act = ActionManager::register_action (main_actions, X_("cancel-solo"), _("Cancel Solo"), sigc::mem_fun(*this, &ARDOUR_UI::cancel_solo));
 142         ActionManager::session_sensitive_actions.push_back (act);
 143         ActionManager::write_sensitive_actions.push_back (act);
 144
 145
 146         act = ActionManager::register_action (main_actions, X_("OpenVideo"), _("Open Video"),
 147                                               sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::add_video), (Gtk::Window*) 0));
 148         ActionManager::session_sensitive_actions.push_back (act);
 149         act = ActionManager::register_action (main_actions, X_("CloseVideo"), _("Remove Video"),
 150                                               sigc::mem_fun (*this, &ARDOUR_UI::remove_video));
 151         act->set_sensitive (false);
 152         act = ActionManager::register_action (main_actions, X_("ExportVideo"), _("Export to Video File"),
 153                         hide_return (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::export_video), false)));
 154         ActionManager::session_sensitive_actions.push_back (act);
 155
 156         act = ActionManager::register_action (main_actions, X_("SnapshotStay"), _("Snapshot (& keep working on current version) ..."), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::snapshot_session), false));
 157         ActionManager::session_sensitive_actions.push_back (act);
 158         ActionManager::write_sensitive_actions.push_back (act);
 159
 160         act = ActionManager::register_action (main_actions, X_("SnapshotSwitch"), _("Snapshot (& switch to new version) ..."), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::snapshot_session), true));
 161         ActionManager::session_sensitive_actions.push_back (act);
 162         ActionManager::write_sensitive_actions.push_back (act);
 163
 164         act = ActionManager::register_action (main_actions, X_("QuickSnapshotStay"), _("Quick Snapshot (& keep working on current version) ..."), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::quick_snapshot_session), false));
 165         ActionManager::session_sensitive_actions.push_back (act);
 166         ActionManager::write_sensitive_actions.push_back (act);
 167
 168         act = ActionManager::register_action (main_actions, X_("QuickSnapshotSwitch"), _("Quick Snapshot (& switch to new version) ..."), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::quick_snapshot_session), true));
 169         ActionManager::session_sensitive_actions.push_back (act);
 170         ActionManager::write_sensitive_actions.push_back (act);
 171
 172         act = ActionManager::register_action (main_actions, X_("SaveAs"), _("Save As..."), sigc::mem_fun(*this, &ARDOUR_UI::save_session_as));
 173         ActionManager::session_sensitive_actions.push_back (act);
 174         ActionManager::write_sensitive_actions.push_back (act);
 175
 176         act = ActionManager::register_action (main_actions, X_("Rename"), _("Rename..."), sigc::mem_fun(*this, &ARDOUR_UI::rename_session));
 177         ActionManager::session_sensitive_actions.push_back (act);
 178         ActionManager::write_sensitive_actions.push_back (act);
 179
 180         act = ActionManager::register_action (main_actions, X_("SaveTemplate"), _("Save Template..."),  sigc::mem_fun(*this, &ARDOUR_UI::save_template));
 181         ActionManager::session_sensitive_actions.push_back (act);
 182
 183         act = ActionManager::register_action (main_actions, X_("Metadata"), _("Metadata"));
 184         ActionManager::session_sensitive_actions.push_back (act);
 185
 186         act = ActionManager::register_action (main_actions, X_("EditMetadata"), _("Edit Metadata..."),  sigc::mem_fun(*this, &ARDOUR_UI::edit_metadata));
 187         ActionManager::session_sensitive_actions.push_back (act);
 188
 189         act = ActionManager::register_action (main_actions, X_("ImportMetadata"), _("Import Metadata..."),  sigc::mem_fun(*this, &ARDOUR_UI::import_metadata));
 190         ActionManager::session_sensitive_actions.push_back (act);
 191
 192         act = ActionManager::register_action (main_actions, X_("ExportAudio"), _("Export to Audio File(s)..."),  sigc::mem_fun (*editor, &PublicEditor::export_audio));
 193         ActionManager::session_sensitive_actions.push_back (act);
 194
 195         act = ActionManager::register_action (main_actions, X_("StemExport"), _("Stem export..."),  sigc::mem_fun (*editor, &PublicEditor::stem_export));
 196         ActionManager::session_sensitive_actions.push_back (act);
 197
 198         act = ActionManager::register_action (main_actions, X_("Export"), _("Export"));
 199         ActionManager::session_sensitive_actions.push_back (act);
 200
 201         act = ActionManager::register_action (main_actions, X_("CleanupUnused"), _("Clean-up Unused Sources..."),  sigc::mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::cleanup));
 202         ActionManager::session_sensitive_actions.push_back (act);
 203         ActionManager::write_sensitive_actions.push_back (act);
 204
 205         act = ActionManager::register_action (main_actions, X_("CleanupPeakFiles"), _("Reset Peak Files"),  sigc::mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::cleanup_peakfiles));
 206         ActionManager::session_sensitive_actions.push_back (act);
 207         ActionManager::write_sensitive_actions.push_back (act);
 208
 209         act = ActionManager::register_action (main_actions, X_("FlushWastebasket"), _("Flush Wastebasket"),  sigc::mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::flush_trash));
 210         ActionManager::write_sensitive_actions.push_back (act);
 211         ActionManager::session_sensitive_actions.push_back (act);
 212
 213         /* these actions are intended to be shared across all windows */
 214
 215         common_actions = ActionGroup::create (X_("Common"));
 216         ActionManager::register_action (common_actions, X_("Quit"), _("Quit"), (hide_return (sigc::mem_fun(*this, &ARDOUR_UI::finish))));
 217         ActionManager::register_action (common_actions, X_("Hide"), _("Hide"), sigc::mem_fun (*this, &ARDOUR_UI::hide_application));
 218
 219         /* windows visibility actions */
 220
 221         ActionManager::register_toggle_action (common_actions, X_("ToggleMaximalEditor"), _("Maximise Editor Space"), sigc::mem_fun (*this, &ARDOUR_UI::toggle_editing_space));
 222         ActionManager::register_toggle_action (common_actions, X_("ToggleMaximalMixer"), _("Maximise Mixer Space"), sigc::mem_fun (*this, &ARDOUR_UI::toggle_mixer_space));
 223         act = ActionManager::register_toggle_action (common_actions, X_("KeepTearoffs"), _("Show Toolbars"), mem_fun (*this, &ARDOUR_UI::toggle_keep_tearoffs));
 224         ActionManager::session_sensitive_actions.push_back (act);
 225
 226         act = ActionManager::register_toggle_action (common_actions, X_("ToggleMixerList"), _("Toggle Mixer List"), sigc::mem_fun (*this, &ARDOUR_UI::toggle_mixer_list));
 227         ActionManager::session_sensitive_actions.push_back (act);
 228
 229         act = ActionManager::register_toggle_action (common_actions, X_("ToggleMonitorSection"), _("Toggle Monitor Section Visibility"), sigc::mem_fun (*this, &ARDOUR_UI::toggle_monitor_section_visibility));
 230         act->set_sensitive (false);
 231
 232 if (Profile->get_mixbus())
 233         ActionManager::register_action (common_actions, X_("show-ui-prefs"), _("Show more UI preferences"), sigc::mem_fun (*this, &ARDOUR_UI::show_ui_prefs));
 234
 235         ActionManager::register_action (common_actions, X_("toggle-mixer"), S_("Window|Mixer"),  sigc::mem_fun(*this, &ARDOUR_UI::toggle_mixer_window));
 236         ActionManager::register_action (common_actions, X_("toggle-editor-mixer"), _("Toggle Editor+Mixer"),  sigc::mem_fun(*this, &ARDOUR_UI::toggle_editor_mixer));
 237         ActionManager::register_action (common_actions, X_("toggle-meterbridge"), S_("Window|Meterbridge"),  sigc::mem_fun(*this, &ARDOUR_UI::toggle_meterbridge));
 238
 239         ActionManager::register_action (common_actions, X_("reattach-all-tearoffs"), _("Reattach All Tearoffs"), sigc::mem_fun (*this, &ARDOUR_UI::reattach_all_tearoffs));
 240
 241         act = ActionManager::register_action (common_actions, X_("NewMIDITracer"), _("MIDI Tracer"), sigc::mem_fun(*this, &ARDOUR_UI::new_midi_tracer_window));
 242         ActionManager::session_sensitive_actions.push_back (act);
 243         ActionManager::register_action (common_actions, X_("chat"), _("Chat"),  sigc::mem_fun(*this, &ARDOUR_UI::launch_chat));
 244         /** TRANSLATORS: This is `Manual' in the sense of an instruction book that tells a user how to use Ardour */
 245         ActionManager::register_action (common_actions, X_("manual"), S_("Help|Manual"),  mem_fun(*this, &ARDOUR_UI::launch_manual));
 246         ActionManager::register_action (common_actions, X_("reference"), S_("Manual|Reference"),  mem_fun(*this, &ARDOUR_UI::launch_reference));
 247         ActionManager::register_action (common_actions, X_("tracker"), _("Report a Bug"), mem_fun(*this, &ARDOUR_UI::launch_tracker));
 248         ActionManager::register_action (common_actions, X_("cheat-sheet"), _("Cheat Sheet"), mem_fun(*this, &ARDOUR_UI::launch_cheat_sheet));
 249         ActionManager::register_action (common_actions, X_("website"), _("Ardour Website"), mem_fun(*this, &ARDOUR_UI::launch_website));
 250         ActionManager::register_action (common_actions, X_("website-dev"), _("Ardour Development"), mem_fun(*this, &ARDOUR_UI::launch_website_dev));
 251         ActionManager::register_action (common_actions, X_("forums"), _("User Forums"), mem_fun(*this, &ARDOUR_UI::launch_forums));
 252         ActionManager::register_action (common_actions, X_("howto-report"), _("How to Report a Bug"), mem_fun(*this, &ARDOUR_UI::launch_howto_report));
 253
 254         act = ActionManager::register_action (common_actions, X_("Save"), _("Save"),  sigc::hide_return (sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::save_state), string(""), false)));
 255         ActionManager::session_sensitive_actions.push_back (act);
 256         ActionManager::write_sensitive_actions.push_back (act);
 257
 258         Glib::RefPtr<ActionGroup> transport_actions = ActionGroup::create (X_("Transport"));
 259
 260         /* do-nothing action for the "transport" menu bar item */
 261
 262         ActionManager::register_action (transport_actions, X_("Transport"), _("Transport"));
 263
 264         /* these two are not used by key bindings, instead use ToggleRoll for that. these two do show up in
 265            menus and via button proxies.
 266         */
 267
 268         act = ActionManager::register_action (transport_actions, X_("Stop"), _("Stop"), sigc::mem_fun(*this, &ARDOUR_UI::transport_stop));
 269         ActionManager::session_sensitive_actions.push_back (act);
 270         ActionManager::transport_sensitive_actions.push_back (act);
 271         act = ActionManager::register_action (transport_actions, X_("Roll"), _("Roll"), sigc::mem_fun(*this, &ARDOUR_UI::transport_roll));
 272         ActionManager::session_sensitive_actions.push_back (act);
 273         ActionManager::transport_sensitive_actions.push_back (act);
 274
 275         act = ActionManager::register_action (transport_actions, X_("ToggleRoll"), _("Start/Stop"), sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::toggle_roll), false, false));
 276         ActionManager::session_sensitive_actions.push_back (act);
 277         ActionManager::transport_sensitive_actions.push_back (act);
 278         act = ActionManager::register_action (transport_actions, X_("alternate-ToggleRoll"), _("Start/Stop"), sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::toggle_roll), false, false));
 279         ActionManager::session_sensitive_actions.push_back (act);
 280         ActionManager::transport_sensitive_actions.push_back (act);
 281         act = ActionManager::register_action (transport_actions, X_("ToggleRollMaybe"), _("Start/Continue/Stop"), sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::toggle_roll), false, true));
 282         ActionManager::session_sensitive_actions.push_back (act);
 283         ActionManager::transport_sensitive_actions.push_back (act);
 284         act = ActionManager::register_action (transport_actions, X_("ToggleRollForgetCapture"), _("Stop and Forget Capture"), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::toggle_roll), true, false));
 285         ActionManager::session_sensitive_actions.push_back (act);
 286         ActionManager::transport_sensitive_actions.push_back (act);
 287
 288         /* these two behave as follows:
 289
 290            - if transport speed != 1.0 or != -1.0, change speed to 1.0 or -1.0 (respectively)
 291            - otherwise do nothing
 292         */
 293
 294         act = ActionManager::register_action (transport_actions, X_("TransitionToRoll"), _("Transition to Roll"), sigc::bind (sigc::mem_fun (*editor, &PublicEditor::transition_to_rolling), true));
 295         ActionManager::session_sensitive_actions.push_back (act);
 296         ActionManager::transport_sensitive_actions.push_back (act);
 297
 298         act = ActionManager::register_action (transport_actions, X_("TransitionToReverse"), _("Transition to Reverse"), sigc::bind (sigc::mem_fun (*editor, &PublicEditor::transition_to_rolling), false));
 299         ActionManager::session_sensitive_actions.push_back (act);
 300         ActionManager::transport_sensitive_actions.push_back (act);
 301
 302         act = ActionManager::register_action (transport_actions, X_("Loop"), _("Play Loop Range"), sigc::mem_fun(*this, &ARDOUR_UI::toggle_session_auto_loop));
 303         ActionManager::session_sensitive_actions.push_back (act);
 304         ActionManager::transport_sensitive_actions.push_back (act);
 305         act = ActionManager::register_action (transport_actions, X_("PlaySelection"), _("Play Selection"), sigc::mem_fun(*this, &ARDOUR_UI::transport_play_selection));
 306         ActionManager::session_sensitive_actions.push_back (act);
 307         ActionManager::transport_sensitive_actions.push_back (act);
 308         act = ActionManager::register_action (transport_actions, X_("PlayPreroll"), _("Play Selection w/Preroll"), sigc::mem_fun(*this, &ARDOUR_UI::transport_play_preroll));
 309         ActionManager::session_sensitive_actions.push_back (act);
 310         ActionManager::transport_sensitive_actions.push_back (act);
 311
 312         act = ActionManager::register_action (transport_actions, X_("Record"), _("Enable Record"), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::transport_record), false));
 313         ActionManager::session_sensitive_actions.push_back (act);
 314         ActionManager::write_sensitive_actions.push_back (act);
 315         act = ActionManager::register_action (transport_actions, X_("record-roll"), _("Start Recording"), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::transport_record), true));
 316         ActionManager::session_sensitive_actions.push_back (act);
 317         ActionManager::write_sensitive_actions.push_back (act);
 318         ActionManager::transport_sensitive_actions.push_back (act);
 319         act = ActionManager::register_action (transport_actions, X_("alternate-record-roll"), _("Start Recording"), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::transport_record), true));
 320         ActionManager::session_sensitive_actions.push_back (act);
 321         ActionManager::write_sensitive_actions.push_back (act);
 322         ActionManager::transport_sensitive_actions.push_back (act);
 323         act = ActionManager::register_action (transport_actions, X_("Rewind"), _("Rewind"), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::transport_rewind), 0));
 324         ActionManager::session_sensitive_actions.push_back (act);
 325         ActionManager::transport_sensitive_actions.push_back (act);
 326         act = ActionManager::register_action (transport_actions, X_("RewindSlow"), _("Rewind (Slow)"), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::transport_rewind), -1));
 327         ActionManager::session_sensitive_actions.push_back (act);
 328         ActionManager::transport_sensitive_actions.push_back (act);
 329         act = ActionManager::register_action (transport_actions, X_("RewindFast"), _("Rewind (Fast)"), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::transport_rewind), 1));
 330         ActionManager::session_sensitive_actions.push_back (act);
 331         ActionManager::transport_sensitive_actions.push_back (act);
 332         act = ActionManager::register_action (transport_actions, X_("Forward"), _("Forward"), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::transport_forward), 0));
 333         ActionManager::session_sensitive_actions.push_back (act);
 334         ActionManager::transport_sensitive_actions.push_back (act);
 335         act = ActionManager::register_action (transport_actions, X_("ForwardSlow"), _("Forward (Slow)"), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::transport_forward), -1));
 336         ActionManager::session_sensitive_actions.push_back (act);
 337         ActionManager::transport_sensitive_actions.push_back (act);
 338         act = ActionManager::register_action (transport_actions, X_("ForwardFast"), _("Forward (Fast)"), sigc::bind (sigc::mem_fun(*this, &ARDOUR_UI::transport_forward), 1));
 339         ActionManager::session_sensitive_actions.push_back (act);
 340         ActionManager::transport_sensitive_actions.push_back (act);
 341         act = ActionManager::register_action (transport_actions, X_("GotoZero"), _("Go to Zero"), sigc::mem_fun(*this, &ARDOUR_UI::transport_goto_zero));
 342         ActionManager::session_sensitive_actions.push_back (act);
 343         ActionManager::transport_sensitive_actions.push_back (act);
 344         act = ActionManager::register_action (transport_actions, X_("GotoStart"), _("Go to Start"), sigc::mem_fun(*this, &ARDOUR_UI::transport_goto_start));
 345         ActionManager::session_sensitive_actions.push_back (act);
 346         ActionManager::transport_sensitive_actions.push_back (act);
 347         act = ActionManager::register_action (transport_actions, X_("alternate-GotoStart"), _("Go to Start"), sigc::mem_fun(*this, &ARDOUR_UI::transport_goto_start));
 348         ActionManager::session_sensitive_actions.push_back (act);
 349         ActionManager::transport_sensitive_actions.push_back (act);
 350         act = ActionManager::register_action (transport_actions, X_("GotoEnd"), _("Go to End"), sigc::mem_fun(*this, &ARDOUR_UI::transport_goto_end));
 351         ActionManager::session_sensitive_actions.push_back (act);
 352         ActionManager::transport_sensitive_actions.push_back (act);
 353         act = ActionManager::register_action (transport_actions, X_("GotoWallClock"), _("Go to Wall Clock"), sigc::mem_fun(*this, &ARDOUR_UI::transport_goto_wallclock));
 354         ActionManager::session_sensitive_actions.push_back (act);
 355         ActionManager::transport_sensitive_actions.push_back (act);
 356
 357         //these actions handle the numpad events, ProTools style
 358         act = ActionManager::register_action (transport_actions, X_("numpad-decimal"), _("Numpad Decimal"), mem_fun(*this, &ARDOUR_UI::transport_numpad_decimal));
 359         ActionManager::session_sensitive_actions.push_back (act);
 360         ActionManager::transport_sensitive_actions.push_back (act);
 361         act = ActionManager::register_action (transport_actions, X_("alternate-numpad-decimal"), _("Numpad Decimal"), mem_fun(*this, &ARDOUR_UI::transport_numpad_decimal));
 362         ActionManager::session_sensitive_actions.push_back (act);
 363         ActionManager::transport_sensitive_actions.push_back (act);
 364         act = ActionManager::register_action (transport_actions, X_("numpad-0"), _("Numpad 0"), bind (mem_fun(*this, &ARDOUR_UI::transport_numpad_event), 0));
 365         ActionManager::session_sensitive_actions.push_back (act);
 366         ActionManager::transport_sensitive_actions.push_back (act);
 367         act = ActionManager::register_action (transport_actions, X_("numpad-1"), _("Numpad 1"), bind (mem_fun(*this, &ARDOUR_UI::transport_numpad_event), 1));
 368         ActionManager::session_sensitive_actions.push_back (act);
 369         ActionManager::transport_sensitive_actions.push_back (act);
 370         act = ActionManager::register_action (transport_actions, X_("numpad-2"), _("Numpad 2"), bind (mem_fun(*this, &ARDOUR_UI::transport_numpad_event), 2));
 371         ActionManager::session_sensitive_actions.push_back (act);
 372         ActionManager::transport_sensitive_actions.push_back (act);
 373         act = ActionManager::register_action (transport_actions, X_("numpad-3"), _("Numpad 3"), bind (mem_fun(*this, &ARDOUR_UI::transport_numpad_event), 3));
 374         ActionManager::session_sensitive_actions.push_back (act);
 375         ActionManager::transport_sensitive_actions.push_back (act);
 376         act = ActionManager::register_action (transport_actions, X_("numpad-4"), _("Numpad 4"), bind (mem_fun(*this, &ARDOUR_UI::transport_numpad_event), 4));
 377         ActionManager::session_sensitive_actions.push_back (act);
 378         ActionManager::transport_sensitive_actions.push_back (act);
 379         act = ActionManager::register_action (transport_actions, X_("numpad-5"), _("Numpad 5"), bind (mem_fun(*this, &ARDOUR_UI::transport_numpad_event), 5));
 380         ActionManager::session_sensitive_actions.push_back (act);
 381         ActionManager::transport_sensitive_actions.push_back (act);
 382         act = ActionManager::register_action (transport_actions, X_("numpad-6"), _("Numpad 6"), bind (mem_fun(*this, &ARDOUR_UI::transport_numpad_event), 6));
 383         ActionManager::session_sensitive_actions.push_back (act);
 384         ActionManager::transport_sensitive_actions.push_back (act);
 385         act = ActionManager::register_action (transport_actions, X_("numpad-7"), _("Numpad 7"), bind (mem_fun(*this, &ARDOUR_UI::transport_numpad_event), 7));
 386         ActionManager::session_sensitive_actions.push_back (act);
 387         ActionManager::transport_sensitive_actions.push_back (act);
 388         act = ActionManager::register_action (transport_actions, X_("numpad-8"), _("Numpad 8"), bind (mem_fun(*this, &ARDOUR_UI::transport_numpad_event), 8));
 389         ActionManager::session_sensitive_actions.push_back (act);
 390         ActionManager::transport_sensitive_actions.push_back (act);
 391         act = ActionManager::register_action (transport_actions, X_("numpad-9"), _("Numpad 9"), bind (mem_fun(*this, &ARDOUR_UI::transport_numpad_event), 9));
 392         ActionManager::session_sensitive_actions.push_back (act);
 393         ActionManager::transport_sensitive_actions.push_back (act);
 394
 395         act = ActionManager::register_action (transport_actions, X_("focus-on-clock"), _("Focus On Clock"), sigc::mem_fun(*this, &ARDOUR_UI::focus_on_clock));
 396         ActionManager::session_sensitive_actions.push_back (act);
 397         ActionManager::transport_sensitive_actions.push_back (act);
 398
 399         act = ActionManager::register_action (transport_actions, X_("primary-clock-timecode"), _("Timecode"), sigc::bind (sigc::mem_fun(primary_clock, &AudioClock::set_mode), AudioClock::Timecode));
 400         ActionManager::session_sensitive_actions.push_back (act);
 401         act = ActionManager::register_action (transport_actions, X_("primary-clock-bbt"), _("Bars & Beats"), sigc::bind (sigc::mem_fun(primary_clock, &AudioClock::set_mode), AudioClock::BBT));
 402         ActionManager::session_sensitive_actions.push_back (act);
 403         act = ActionManager::register_action (transport_actions, X_("primary-clock-minsec"), _("Minutes & Seconds"), sigc::bind (sigc::mem_fun(primary_clock, &AudioClock::set_mode), AudioClock::MinSec));
 404         ActionManager::session_sensitive_actions.push_back (act);
 405         act = ActionManager::register_action (transport_actions, X_("primary-clock-samples"), _("Samples"), sigc::bind (sigc::mem_fun(primary_clock, &AudioClock::set_mode), AudioClock::Frames));
 406         ActionManager::session_sensitive_actions.push_back (act);
 407
 408         act = ActionManager::register_action (transport_actions, X_("secondary-clock-timecode"), _("Timecode"), sigc::bind (sigc::mem_fun(secondary_clock, &AudioClock::set_mode), AudioClock::Timecode));
 409         ActionManager::session_sensitive_actions.push_back (act);
 410         act = ActionManager::register_action (transport_actions, X_("secondary-clock-bbt"), _("Bars & Beats"), sigc::bind (sigc::mem_fun(secondary_clock, &AudioClock::set_mode), AudioClock::BBT));
 411         ActionManager::session_sensitive_actions.push_back (act);
 412         act = ActionManager::register_action (transport_actions, X_("secondary-clock-minsec"), _("Minutes & Seconds"), sigc::bind (sigc::mem_fun(secondary_clock, &AudioClock::set_mode), AudioClock::MinSec));
 413         ActionManager::session_sensitive_actions.push_back (act);
 414         act = ActionManager::register_action (transport_actions, X_("secondary-clock-samples"), _("Samples"), sigc::bind (sigc::mem_fun(secondary_clock, &AudioClock::set_mode), AudioClock::Frames));
 415         ActionManager::session_sensitive_actions.push_back (act);
 416
 417         act = ActionManager::register_toggle_action (transport_actions, X_("TogglePunchIn"), _("Punch In"), sigc::mem_fun(*this, &ARDOUR_UI::toggle_punch_in));
 418         act->set_short_label (_("In"));
 419         ActionManager::session_sensitive_actions.push_back (act);
 420         ActionManager::transport_sensitive_actions.push_back (act);
 421         act = ActionManager::register_toggle_action (transport_actions, X_("TogglePunchOut"), _("Punch Out"), sigc::mem_fun(*this, &ARDOUR_UI::toggle_punch_out));
 422         act->set_short_label (_("Out"));
 423         ActionManager::session_sensitive_actions.push_back (act);
 424         ActionManager::transport_sensitive_actions.push_back (act);
 425         act = ActionManager::register_toggle_action (transport_actions, X_("TogglePunch"), _("Punch In/Out"), sigc::mem_fun(*this, &ARDOUR_UI::toggle_punch));
 426         act->set_short_label (_("In/Out"));
 427         ActionManager::session_sensitive_actions.push_back (act);
 428         ActionManager::transport_sensitive_actions.push_back (act);
 429         act = ActionManager::register_toggle_action (transport_actions, X_("ToggleClick"), _("Click"), sigc::mem_fun(*this, &ARDOUR_UI::toggle_click));
 430         ActionManager::session_sensitive_actions.push_back (act);
 431         ActionManager::transport_sensitive_actions.push_back (act);
 432         act = ActionManager::register_toggle_action (transport_actions, X_("ToggleAutoInput"), _("Auto Input"), sigc::mem_fun(*this, &ARDOUR_UI::toggle_auto_input));
 433         ActionManager::session_sensitive_actions.push_back (act);
 434         ActionManager::transport_sensitive_actions.push_back (act);
 435         act = ActionManager::register_toggle_action (transport_actions, X_("ToggleAutoPlay"), _("Auto Play"), sigc::mem_fun(*this, &ARDOUR_UI::toggle_auto_play));
 436         ActionManager::session_sensitive_actions.push_back (act);
 437         ActionManager::transport_sensitive_actions.push_back (act);
 438         act = ActionManager::register_toggle_action (transport_actions, X_("ToggleAutoReturn"), _("Auto Return"), sigc::mem_fun(*this, &ARDOUR_UI::toggle_auto_return));
 439         ActionManager::session_sensitive_actions.push_back (act);
 440         ActionManager::transport_sensitive_actions.push_back (act);
 441         act = ActionManager::register_toggle_action (transport_actions, X_("ToggleFollowEdits"), _("Follow Edits"), sigc::mem_fun(*this, &ARDOUR_UI::toggle_follow_edits));
 442         ActionManager::session_sensitive_actions.push_back (act);
 443         ActionManager::transport_sensitive_actions.push_back (act);
 444
 445
 446         act = ActionManager::register_toggle_action (transport_actions, X_("ToggleVideoSync"), _("Sync Startup to Video"), sigc::mem_fun(*this, &ARDOUR_UI::toggle_video_sync));
 447         ActionManager::session_sensitive_actions.push_back (act);
 448         act = ActionManager::register_toggle_action (transport_actions, X_("ToggleTimeMaster"), _("Time Master"), sigc::mem_fun(*this, &ARDOUR_UI::toggle_time_master));
 449         ActionManager::session_sensitive_actions.push_back (act);
 450         act = ActionManager::register_toggle_action (transport_actions, X_("ToggleExternalSync"), _("Use External Positional Sync Source"), sigc::mem_fun(*this, &ARDOUR_UI::toggle_external_sync));
 451         ActionManager::session_sensitive_actions.push_back (act);
 452
 453         for (int i = 1; i <= 32; ++i) {
 454                 string const a = string_compose (X_("ToggleRecordEnableTrack%1"), i);
 455                 string const n = string_compose (_("Toggle Record Enable Track %1"), i);
 456                 act = ActionManager::register_action (common_actions, a.c_str(), n.c_str(), sigc::bind (sigc::mem_fun (*this, &ARDOUR_UI::toggle_record_enable), i - 1));
 457                 ActionManager::session_sensitive_actions.push_back (act);
 458         }
 459
 460         Glib::RefPtr<ActionGroup> shuttle_actions = ActionGroup::create ("ShuttleActions");
 461
 462         shuttle_actions->add (Action::create (X_("SetShuttleUnitsPercentage"), _("Percentage")), hide_return (sigc::bind (sigc::mem_fun (*Config, &RCConfiguration::set_shuttle_units), Percentage)));
 463         shuttle_actions->add (Action::create (X_("SetShuttleUnitsSemitones"), _("Semitones")), hide_return (sigc::bind (sigc::mem_fun (*Config, &RCConfiguration::set_shuttle_units), Semitones)));
 464
 465         Glib::RefPtr<ActionGroup> option_actions = ActionGroup::create ("options");
 466
 467         act = ActionManager::register_toggle_action (option_actions, X_("SendMTC"), _("Send MTC"), sigc::mem_fun (*this, &ARDOUR_UI::toggle_send_mtc));
 468         ActionManager::session_sensitive_actions.push_back (act);
 469         act = ActionManager::register_toggle_action (option_actions, X_("SendMMC"), _("Send MMC"), sigc::mem_fun (*this, &ARDOUR_UI::toggle_send_mmc));
 470         ActionManager::session_sensitive_actions.push_back (act);
 471         act = ActionManager::register_toggle_action (option_actions, X_("UseMMC"), _("Use MMC"), sigc::mem_fun (*this, &ARDOUR_UI::toggle_use_mmc));
 472         ActionManager::session_sensitive_actions.push_back (act);
 473         act = ActionManager::register_toggle_action (option_actions, X_("SendMidiClock"), _("Send MIDI Clock"), sigc::mem_fun (*this, &ARDOUR_UI::toggle_send_midi_clock));
 474         ActionManager::session_sensitive_actions.push_back (act);
 475         act = ActionManager::register_toggle_action (option_actions, X_("SendMIDIfeedback"), _("Send MIDI Feedback"), sigc::mem_fun (*this, &ARDOUR_UI::toggle_send_midi_feedback));
 476         ActionManager::session_sensitive_actions.push_back (act);
 477
 478         /* MIDI */
 479
 480         Glib::RefPtr<ActionGroup> midi_actions = ActionGroup::create (X_("MIDI"));
 481         ActionManager::register_action (midi_actions, X_("panic"), _("Panic"), sigc::mem_fun(*this, &ARDOUR_UI::midi_panic));
 482
 483         ActionManager::add_action_group (shuttle_actions);
 484         ActionManager::add_action_group (option_actions);
 485         ActionManager::add_action_group (transport_actions);
 486         ActionManager::add_action_group (main_actions);
 487         ActionManager::add_action_group (main_menu_actions);
 488         ActionManager::add_action_group (common_actions);
 489         ActionManager::add_action_group (midi_actions);
 490 }
 491
 492 void
 493 ARDOUR_UI::build_menu_bar ()
 494 {
 495         menu_bar = dynamic_cast<MenuBar*> (ActionManager::get_widget (X_("/Main")));
 496         menu_bar->set_name ("MainMenuBar");
 497
 498         /*
 499          * This is needed because this property does not get installed
 500          * until the Menu GObject class is registered, which happens
 501          * when the first menu instance is created.
 502          */
 503         // XXX bug in gtkmm causes this to popup an error message
 504         // Gtk::Settings::get_default()->property_gtk_can_change_accels() = true;
 505         // so use this instead ...
 506         gtk_settings_set_long_property (gtk_settings_get_default(), "gtk-can-change-accels", 1, "Ardour:designers");
 507
 508         EventBox* ev = manage (new EventBox);
 509         ev->show ();
 510         CairoHPacker* hbox = manage (new CairoHPacker);
 511         hbox->set_name (X_("StatusBarBox"));
 512         hbox->show ();
 513         hbox->set_border_width (3);
 514
 515         VBox* vbox = manage (new VBox);
 516         vbox->pack_start (*hbox, true, false);
 517         vbox->show();
 518
 519         ev->add (*vbox);
 520
 521         wall_clock_label.set_name ("WallClock");
 522         wall_clock_label.set_use_markup ();
 523         disk_space_label.set_name ("WallClock");
 524         disk_space_label.set_use_markup ();
 525         timecode_format_label.set_name ("WallClock");
 526         timecode_format_label.set_use_markup ();
 527         cpu_load_label.set_name ("CPULoad");
 528         cpu_load_label.set_use_markup ();
 529         xrun_label.set_name ("XrunLabel");
 530         xrun_label.set_use_markup ();
 531         peak_thread_work_label.set_name ("PeakThreadWork");
 532         peak_thread_work_label.set_use_markup ();
 533         buffer_load_label.set_name ("BufferLoad");
 534         buffer_load_label.set_use_markup ();
 535         sample_rate_label.set_name ("SampleRate");
 536         sample_rate_label.set_use_markup ();
 537         format_label.set_name ("Format");
 538         format_label.set_use_markup ();
 539
 540 #ifndef TOP_MENUBAR
 541         menu_hbox.pack_start (*menu_bar, false, false);
 542 #else
 543         use_menubar_as_top_menubar ();
 544 #endif
 545
 546         bool wall_clock = false;
 547         bool disk_space = false;
 548
 549         if (!Profile->get_small_screen()) {
 550 #ifndef GTKOSX
 551                 // OSX provides its own wallclock, thank you very much
 552                 wall_clock = true;
 553 #endif
 554                 disk_space = true;
 555         }
 556
 557         hbox->pack_end (error_alert_button, false, false, 2);
 558
 559         hbox->pack_end (wall_clock_label, false, false, 2);
 560         hbox->pack_end (disk_space_label, false, false, 4);
 561         hbox->pack_end (xrun_label, false, false, 4);
 562         hbox->pack_end (peak_thread_work_label, false, false, 4);
 563         hbox->pack_end (cpu_load_label, false, false, 4);
 564         hbox->pack_end (buffer_load_label, false, false, 4);
 565         hbox->pack_end (sample_rate_label, false, false, 4);
 566         hbox->pack_end (timecode_format_label, false, false, 4);
 567         hbox->pack_end (format_label, false, false, 4);
 568
 569         menu_hbox.pack_end (*ev, false, false, 2);
 570
 571         menu_bar_base.set_name ("MainMenuBar");
 572         menu_bar_base.add (menu_hbox);
 573
 574 #ifndef GTKOSX
 575         _status_bar_visibility.add (&wall_clock_label,      X_("WallClock"), _("Wall Clock"), wall_clock);
 576 #endif
 577         _status_bar_visibility.add (&disk_space_label,      X_("Disk"),      _("Disk Space"), disk_space);
 578         _status_bar_visibility.add (&cpu_load_label,        X_("DSP"),       _("DSP"), true);
 579         _status_bar_visibility.add (&xrun_label,            X_("XRun"),      _("X-run"), false);
 580         _status_bar_visibility.add (&peak_thread_work_label,X_("Peakfile"),  _("Active Peak-file Work"), false);
 581         _status_bar_visibility.add (&buffer_load_label,     X_("Buffers"),   _("Buffers"), true);
 582         _status_bar_visibility.add (&sample_rate_label,     X_("Audio"),     _("Audio"), true);
 583         _status_bar_visibility.add (&timecode_format_label, X_("TCFormat"),  _("Timecode Format"), true);
 584         _status_bar_visibility.add (&format_label,          X_("Format"),    _("File Format"), true);
 585
 586         ev->signal_button_press_event().connect (sigc::mem_fun (_status_bar_visibility, &VisibilityGroup::button_press_event));
 587         ev->signal_button_release_event().connect (sigc::mem_fun (*this, &ARDOUR_UI::xrun_button_release));
 588 }
 589
 590 void
 591 ARDOUR_UI::use_menubar_as_top_menubar ()
 592 {
 593         Gtk::Widget* widget;
 594         Application* app = Application::instance ();
 595
 596         /* the addresses ("/ui/Main...") used below are based on the menu definitions in the menus file
 597          */
 598
 599         /* Quit will be taken care of separately */
 600
 601         if ((widget = ActionManager::get_widget ("/ui/Main/Session/Quit"))) {
 602                 widget->hide ();
 603         }
 604
 605         /* Put items for About and Preferences into App menu (the
 606          * ardour.menus.in file does not list them for OS X)
 607          */
 608
 609         GtkApplicationMenuGroup* group = app->add_app_menu_group ();
 610
 611         if ((widget = ActionManager::get_widget ("/ui/Main/Session/toggle-about"))) {
 612                 app->add_app_menu_item (group, dynamic_cast<MenuItem*>(widget));
 613         }
 614
 615         if ((widget = ActionManager::get_widget ("/ui/Main/Session/toggle-rc-options-editor"))) {
 616                 app->add_app_menu_item (group, dynamic_cast<MenuItem*>(widget));
 617         }
 618
 619         app->set_menu_bar (*menu_bar);
 620 }
 621
 622 void
 623 ARDOUR_UI::save_ardour_state ()
 624 {
 625         if (!keyboard || !mixer || !editor || !meterbridge) {
 626                 return;
 627         }
 628
 629         /* XXX this is all a bit dubious. add_extra_xml() uses
 630            a different lifetime model from add_instant_xml().
 631         */
 632
 633         XMLNode* node = new XMLNode (keyboard->get_state());
 634         Config->add_extra_xml (*node);
 635         Config->add_extra_xml (get_transport_controllable_state());
 636
 637         XMLNode* window_node = new XMLNode (X_("UI"));
 638         window_node->add_property (_status_bar_visibility.get_state_name().c_str(), _status_bar_visibility.get_state_value ());
 639
 640         /* Windows */
 641
 642         WM::Manager::instance().add_state (*window_node);
 643
 644         /* tearoffs */
 645
 646         XMLNode* tearoff_node = new XMLNode (X_("Tearoffs"));
 647
 648         if (transport_tearoff) {
 649                 XMLNode* t = new XMLNode (X_("transport"));
 650                 transport_tearoff->add_state (*t);
 651                 tearoff_node->add_child_nocopy (*t);
 652         }
 653
 654         if (mixer->monitor_section()) {
 655                 XMLNode* t = new XMLNode (X_("monitor-section"));
 656                 mixer->monitor_section()->tearoff().add_state (*t);
 657                 tearoff_node->add_child_nocopy (*t);
 658         }
 659
 660         if (editor->mouse_mode_tearoff()) {
 661                 XMLNode* t = new XMLNode (X_("mouse-mode"));
 662                 editor->mouse_mode_tearoff ()->add_state (*t);
 663                 tearoff_node->add_child_nocopy (*t);
 664         }
 665
 666         window_node->add_child_nocopy (*tearoff_node);
 667
 668         XMLNode& enode (editor->get_state());
 669         XMLNode& mnode (mixer->get_state());
 670         XMLNode& bnode (meterbridge->get_state());
 671
 672         Config->add_extra_xml (*window_node);
 673         Config->add_extra_xml (audio_midi_setup->get_state());
 674
 675         Config->save_state();
 676
 677         UIConfiguration::instance().save_state ();
 678
 679         if (_session) {
 680                 _session->add_instant_xml (enode);
 681                 _session->add_instant_xml (mnode);
 682                 _session->add_instant_xml (bnode);
 683                 if (location_ui) {
 684                         _session->add_instant_xml (location_ui->ui().get_state ());
 685                 }
 686         } else {
 687                 Config->add_instant_xml (enode);
 688                 Config->add_instant_xml (mnode);
 689                 Config->add_instant_xml (bnode);
 690                 if (location_ui) {
 691                         Config->add_instant_xml (location_ui->ui().get_state ());
 692                 }
 693         }
 694         delete &enode;
 695
 696         Keyboard::save_keybindings ();
 697 }
 698
 699 void
 700 ARDOUR_UI::resize_text_widgets ()
 701 {
 702         set_size_request_to_display_given_text (cpu_load_label, "DSP: 100.0%", 2, 2);
 703         set_size_request_to_display_given_text (buffer_load_label, "Buffers: p:100% c:100%", 2, 2);
 704         set_size_request_to_display_given_text (xrun_label, "X: 9999", 2, 2);
 705 }
 706
 707 void
 708 ARDOUR_UI::focus_on_clock ()
 709 {
 710         if (editor && primary_clock) {
 711                 editor->present ();
 712                 primary_clock->focus ();
 713         }
 714 }
 715
 716 bool
 717 ARDOUR_UI::xrun_button_release (GdkEventButton* ev)
 718 {
 719         if (ev->button != 1 || !Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {
 720                 return false;
 721         }
 722
 723         if (_session) {
 724                 _session->reset_xrun_count ();
 725                 update_xrun_count ();
 726         }
 727         return true;
 728 }
 729
 730 Gtk::Notebook&
 731 ARDOUR_UI::tabs()
 732 {
 733         return _tabs;
 734 }