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     $Id$
  19 */
  20
  21 /* This file contains any ARDOUR_UI methods that require knowledge of
  22    the editor, and exists so that no compilation dependency exists
  23    between the main ARDOUR_UI modules and the PublicEditor class. This
  24    is to cut down on the nasty compile times for both these classes.
  25 */
  26
  27 #include <pbd/pathscanner.h>
  28
  29 #include "ardour_ui.h"
  30 #include "public_editor.h"
  31 #include "audio_clock.h"
  32 #include "editor.h"
  33 #include "actions.h"
  34
  35 #include <ardour/session.h>
  36
  37 #include "i18n.h"
  38
  39 using namespace ARDOUR;
  40 using namespace Gtk;
  41 using namespace Gtkmm2ext;
  42 using namespace ActionManager;
  43
  44 int
  45 ARDOUR_UI::create_editor ()
  46
  47 {
  48         try {
  49                 editor = new Editor (*engine);
  50         }
  51
  52         catch (failed_constructor& err) {
  53                 return -1;
  54         }
  55
  56         editor->DisplayControlChanged.connect (mem_fun(*this, &ARDOUR_UI::editor_display_control_changed));
  57
  58         return 0;
  59 }
  60
  61 void
  62 ARDOUR_UI::install_actions ()
  63 {
  64         Glib::RefPtr<ActionGroup> main_actions = ActionGroup::create (X_("Main"));
  65         Glib::RefPtr<Action> act;
  66
  67         register_action (main_actions, X_("New"), _("New"),  bind (mem_fun(*this, &ARDOUR_UI::new_session), false, string ()));
  68         register_action (main_actions, X_("Open"), _("Open"),  mem_fun(*this, &ARDOUR_UI::open_session));
  69         register_action (main_actions, X_("Recent"), _("Recent"),  mem_fun(*this, &ARDOUR_UI::open_recent_session));
  70         act = register_action (main_actions, X_("Close"), _("Close"),  mem_fun(*this, &ARDOUR_UI::close_session));
  71         session_sensitive_actions.push_back (act);
  72
  73         act = register_action (main_actions, X_("AddTrackBus"), _("Add Track/Bus"),  mem_fun(*this, &ARDOUR_UI::add_route));
  74         session_sensitive_actions.push_back (act);
  75
  76
  77         /* <CMT Additions> */
  78
  79         PathScanner scanner;
  80         vector<string*>* results = scanner (getenv ("PATH"), "AniComp", false, false);
  81
  82         if (results) {
  83                 if (!results->empty()) {
  84                         act = register_action (main_actions, X_("aniConnect"), _("Connect"),  (mem_fun (*editor, &PublicEditor::connect_to_image_compositor)));
  85                         session_sensitive_actions.push_back (act);
  86                 }
  87                 delete results;
  88         }
  89
  90         /* </CMT Additions> */
  91
  92         act = register_action (main_actions, X_("Snapshot"), _("Snapshot"),  mem_fun(*this, &ARDOUR_UI::snapshot_session));
  93         session_sensitive_actions.push_back (act);
  94
  95         act = register_action (main_actions, X_("Save Template..."), _("Save Template..."),  mem_fun(*this, &ARDOUR_UI::save_template));
  96         session_sensitive_actions.push_back (act);
  97
  98         act = register_action (main_actions, X_("ExportSession"), _("Export session to audiofile..."),  mem_fun (*editor, &PublicEditor::export_session));
  99         session_sensitive_actions.push_back (act);
 100
 101         act = register_action (main_actions, X_("ExportRange"), _("Export range to audiofile..."),  mem_fun (*editor, &PublicEditor::export_selection));
 102         session_sensitive_actions.push_back (act);
 103
 104         act = register_action (main_actions, X_("Export"), _("Export"));
 105         session_sensitive_actions.push_back (act);
 106
 107         act = register_action (main_actions, X_("CleanupUnused"), _("Cleanup unused sources"),  mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::cleanup));
 108         session_sensitive_actions.push_back (act);
 109         act = register_action (main_actions, X_("FlushWastebasket"), _("Flush wastebasket"),  mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::flush_trash));
 110         session_sensitive_actions.push_back (act);
 111
 112         /* JACK actions for controlling ... JACK */
 113
 114         Glib::RefPtr<ActionGroup> jack_actions = ActionGroup::create (X_("JACK"));
 115
 116         act = register_action (jack_actions, X_("JACKDisconnect"), _("Disconnect"), mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::disconnect_from_jack));
 117         jack_sensitive_actions.push_back (act);
 118         act = register_action (jack_actions, X_("JACKReconnect"), _("Reconnect"), mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::reconnect_to_jack));
 119         jack_sensitive_actions.push_back (act);
 120
 121         RadioAction::Group jack_latency_group;
 122
 123         act = register_radio_action (jack_actions, jack_latency_group, X_("JACKLatency32"), X_("32"), bind (mem_fun(*this, &ARDOUR_UI::set_jack_buffer_size), (jack_nframes_t) 32));
 124         jack_sensitive_actions.push_back (act);
 125         act =   register_radio_action (jack_actions, jack_latency_group, X_("JACKLatency64"), X_("64"), bind (mem_fun(*this, &ARDOUR_UI::set_jack_buffer_size), (jack_nframes_t) 64));
 126         jack_sensitive_actions.push_back (act);
 127         act =   register_radio_action (jack_actions, jack_latency_group, X_("JACKLatency128"), X_("128"), bind (mem_fun(*this, &ARDOUR_UI::set_jack_buffer_size), (jack_nframes_t) 128));
 128         jack_sensitive_actions.push_back (act);
 129         act =   register_radio_action (jack_actions, jack_latency_group, X_("JACKLatency256"), X_("256"), bind (mem_fun(*this, &ARDOUR_UI::set_jack_buffer_size), (jack_nframes_t) 256));
 130         jack_sensitive_actions.push_back (act);
 131         act =   register_radio_action (jack_actions, jack_latency_group, X_("JACKLatency512"), X_("512"), bind (mem_fun(*this, &ARDOUR_UI::set_jack_buffer_size), (jack_nframes_t) 512));
 132         jack_sensitive_actions.push_back (act);
 133         act =   register_radio_action (jack_actions, jack_latency_group, X_("JACKLatency1024"), X_("1024"), bind (mem_fun(*this, &ARDOUR_UI::set_jack_buffer_size), (jack_nframes_t) 1024));
 134         jack_sensitive_actions.push_back (act);
 135         act =   register_radio_action (jack_actions, jack_latency_group, X_("JACKLatency2048"), X_("2048"), bind (mem_fun(*this, &ARDOUR_UI::set_jack_buffer_size), (jack_nframes_t) 2048));
 136         jack_sensitive_actions.push_back (act);
 137         act =   register_radio_action (jack_actions, jack_latency_group, X_("JACKLatency4096"), X_("4096"), bind (mem_fun(*this, &ARDOUR_UI::set_jack_buffer_size), (jack_nframes_t) 4096));
 138         jack_sensitive_actions.push_back (act);
 139         act =   register_radio_action (jack_actions, jack_latency_group, X_("JACKLatency8192"), X_("8192"), bind (mem_fun(*this, &ARDOUR_UI::set_jack_buffer_size), (jack_nframes_t) 8192));
 140         jack_sensitive_actions.push_back (act);
 141
 142         Glib::RefPtr<ActionGroup> common_actions = ActionGroup::create (X_("Common"));
 143
 144         register_action (common_actions, X_("Start-Prefix"), _("start prefix"), mem_fun(*this, &ARDOUR_UI::start_keyboard_prefix));
 145         register_action (common_actions, X_("Quit"), _("quit"), (mem_fun(*this, &ARDOUR_UI::finish)));
 146
 147         /* windows visibility actions */
 148
 149         register_action (common_actions, X_("GotoEditor"), _("Editor"),  mem_fun(*this, &ARDOUR_UI::goto_editor_window));
 150         register_action (common_actions, X_("GotoMixer"), _("Mixer"),  mem_fun(*this, &ARDOUR_UI::goto_mixer_window));
 151         register_toggle_action (common_actions, X_("ToggleOptionsEditor"), _("Options Editor"), mem_fun(*this, &ARDOUR_UI::toggle_options_window));
 152         register_toggle_action (common_actions, X_("ToggleAudioLibrary"), _("Audio Library"), mem_fun(*this, &ARDOUR_UI::toggle_sfdb_window));
 153         act = register_toggle_action (common_actions, X_("ToggleInspector"), _("Track/Bus Inspector"), mem_fun(*this, &ARDOUR_UI::toggle_route_params_window));
 154         session_sensitive_actions.push_back (act);
 155         act = register_toggle_action (common_actions, X_("ToggleConnections"), _("Connections"), mem_fun(*this, &ARDOUR_UI::toggle_connection_editor));
 156         session_sensitive_actions.push_back (act);
 157         act = register_toggle_action (common_actions, X_("ToggleLocations"), _("Locations"), mem_fun(*this, &ARDOUR_UI::toggle_location_window));
 158         session_sensitive_actions.push_back (act);
 159         act = register_toggle_action (common_actions, X_("ToggleBigClock"), _("Big Clock"), mem_fun(*this, &ARDOUR_UI::toggle_big_clock_window));
 160         session_sensitive_actions.push_back (act);
 161         register_action (common_actions, X_("About"), _("About"),  mem_fun(*this, &ARDOUR_UI::show_splash));
 162
 163         act = register_action (common_actions, X_("ToggleAutoLoop"), _("toggle auto loop"), mem_fun(*this, &ARDOUR_UI::toggle_session_auto_loop));
 164         session_sensitive_actions.push_back (act);
 165         act = register_action (common_actions, X_("TogglePunchIn"), _("toggle punch in"), mem_fun(*this, &ARDOUR_UI::toggle_session_punch_in));
 166         session_sensitive_actions.push_back (act);
 167         act = register_action (common_actions, X_("NewSession"), _("new session"), bind (mem_fun(*this, &ARDOUR_UI::new_session), false, string()));
 168         session_sensitive_actions.push_back (act);
 169         act = register_action (common_actions, X_("AddAudioTrack"), _("add audio track"), bind (mem_fun(*this, &ARDOUR_UI::session_add_audio_track), 1, 1));
 170         session_sensitive_actions.push_back (act);
 171         act = register_action (common_actions, X_("AddAudioBus"), _("add audio bus"), bind (mem_fun(*this, &ARDOUR_UI::session_add_audio_bus), 1, 1));
 172         session_sensitive_actions.push_back (act);
 173         act = register_action (common_actions, X_("Save"), _("Save"),  bind (mem_fun(*this, &ARDOUR_UI::save_state), string("")));
 174         session_sensitive_actions.push_back (act);
 175         act = register_action (common_actions, X_("RemoveLastCapture"), _("remove last capture"), mem_fun(*this, &ARDOUR_UI::remove_last_capture));
 176         session_sensitive_actions.push_back (act);
 177         act = register_action (common_actions, X_("TransportStop"), _("transport stop"), mem_fun(*this, &ARDOUR_UI::transport_stop));
 178         session_sensitive_actions.push_back (act);
 179         act = register_action (common_actions, X_("TransportStopAndForgetCapture"), _("transport stop and forget capture"), mem_fun(*this, &ARDOUR_UI::transport_stop_and_forget_capture));
 180         session_sensitive_actions.push_back (act);
 181         act = register_action (common_actions, X_("TransportRoll"), _("transport roll"), mem_fun(*this, &ARDOUR_UI::transport_roll));
 182         session_sensitive_actions.push_back (act);
 183         act = register_action (common_actions, X_("TransportLoop"), _("transport loop"), mem_fun(*this, &ARDOUR_UI::transport_loop));
 184         session_sensitive_actions.push_back (act);
 185         act = register_action (common_actions, X_("TransportRecord"), _("transport record"), mem_fun(*this, &ARDOUR_UI::transport_record));
 186         session_sensitive_actions.push_back (act);
 187         act = register_action (common_actions, X_("TransportRewind"), _("transport rewind"), bind (mem_fun(*this, &ARDOUR_UI::transport_rewind), 0));
 188         session_sensitive_actions.push_back (act);
 189         act = register_action (common_actions, X_("TransportRewindSlow"), _("transport rewind slow"), bind (mem_fun(*this, &ARDOUR_UI::transport_rewind), -1));
 190         session_sensitive_actions.push_back (act);
 191         act = register_action (common_actions, X_("TransportRewindFast"), _("transport rewind fast"), bind (mem_fun(*this, &ARDOUR_UI::transport_rewind), 1));
 192         session_sensitive_actions.push_back (act);
 193         act = register_action (common_actions, X_("TransportForward"), _("transport forward"), bind (mem_fun(*this, &ARDOUR_UI::transport_forward), 0));
 194         session_sensitive_actions.push_back (act);
 195         act = register_action (common_actions, X_("TransportForwardSlow"), _("transport forward slow"), bind (mem_fun(*this, &ARDOUR_UI::transport_forward), -1));
 196         session_sensitive_actions.push_back (act);
 197         act = register_action (common_actions, X_("TransportForwardFast"), _("transport forward fast"), bind (mem_fun(*this, &ARDOUR_UI::transport_forward), 1));
 198         session_sensitive_actions.push_back (act);
 199         act = register_action (common_actions, X_("TransportGotoStart"), _("transport goto start"), mem_fun(*this, &ARDOUR_UI::transport_goto_start));
 200         session_sensitive_actions.push_back (act);
 201         act = register_action (common_actions, X_("TransportGotoEnd"), _("transport goto end"), mem_fun(*this, &ARDOUR_UI::transport_goto_end));
 202         session_sensitive_actions.push_back (act);
 203         act = register_action (common_actions, X_("SendAllMidiFeedback"), _("send all midi feedback"), mem_fun(*this, &ARDOUR_UI::send_all_midi_feedback));
 204         session_sensitive_actions.push_back (act);
 205         act = register_action (common_actions, X_("ToggleRecordEnableTrack1"), _("toggle record enable track1"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable),  0U));
 206         session_sensitive_actions.push_back (act);
 207         act = register_action (common_actions, X_("ToggleRecordEnableTrack2"), _("toggle record enable track2"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable),  1U));
 208         session_sensitive_actions.push_back (act);
 209         act = register_action (common_actions, X_("ToggleRecordEnableTrack3"), _("toggle record enable track3"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable),  2U));
 210         session_sensitive_actions.push_back (act);
 211         act = register_action (common_actions, X_("ToggleRecordEnableTrack4"), _("toggle record enable track4"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable),  3U));
 212         session_sensitive_actions.push_back (act);
 213         act = register_action (common_actions, X_("ToggleRecordEnableTrack5"), _("toggle record enable track5"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable),  4U));
 214         session_sensitive_actions.push_back (act);
 215         act = register_action (common_actions, X_("ToggleRecordEnableTrack6"), _("toggle record enable track6"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable),  5U));
 216         session_sensitive_actions.push_back (act);
 217         act = register_action (common_actions, X_("ToggleRecordEnableTrack7"), _("toggle record enable track7"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable),  6U));
 218         session_sensitive_actions.push_back (act);
 219         act = register_action (common_actions, X_("ToggleRecordEnableTrack8"), _("toggle record enable track8"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable),  7U));
 220         session_sensitive_actions.push_back (act);
 221         act = register_action (common_actions, X_("ToggleRecordEnableTrack9"), _("toggle record enable track9"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable),  8U));
 222         session_sensitive_actions.push_back (act);
 223         act = register_action (common_actions, X_("ToggleRecordEnableTrack10"), _("toggle record enable track10"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 9U));
 224         session_sensitive_actions.push_back (act);
 225         act = register_action (common_actions, X_("ToggleRecordEnableTrack11"), _("toggle record enable track11"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 10U));
 226         session_sensitive_actions.push_back (act);
 227         act = register_action (common_actions, X_("ToggleRecordEnableTrack12"), _("toggle record enable track12"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 11U));
 228         session_sensitive_actions.push_back (act);
 229         act = register_action (common_actions, X_("ToggleRecordEnableTrack13"), _("toggle record enable track13"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 12U));
 230         session_sensitive_actions.push_back (act);
 231         act = register_action (common_actions, X_("ToggleRecordEnableTrack14"), _("toggle record enable track14"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 13U));
 232         session_sensitive_actions.push_back (act);
 233         act = register_action (common_actions, X_("ToggleRecordEnableTrack15"), _("toggle record enable track15"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 14U));
 234         session_sensitive_actions.push_back (act);
 235         act = register_action (common_actions, X_("ToggleRecordEnableTrack16"), _("toggle record enable track16"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 15U));
 236         session_sensitive_actions.push_back (act);
 237         act = register_action (common_actions, X_("ToggleRecordEnableTrack17"), _("toggle record enable track17"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 16U));
 238         session_sensitive_actions.push_back (act);
 239         act = register_action (common_actions, X_("ToggleRecordEnableTrack18"), _("toggle record enable track18"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 17U));
 240         session_sensitive_actions.push_back (act);
 241         act = register_action (common_actions, X_("ToggleRecordEnableTrack19"), _("toggle record enable track19"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 18U));
 242         session_sensitive_actions.push_back (act);
 243         act = register_action (common_actions, X_("ToggleRecordEnableTrack20"), _("toggle record enable track20"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 19U));
 244         session_sensitive_actions.push_back (act);
 245         act = register_action (common_actions, X_("ToggleRecordEnableTrack21"), _("toggle record enable track21"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 20U));
 246         session_sensitive_actions.push_back (act);
 247         act = register_action (common_actions, X_("ToggleRecordEnableTrack22"), _("toggle record enable track22"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 21U));
 248         session_sensitive_actions.push_back (act);
 249         act = register_action (common_actions, X_("ToggleRecordEnableTrack23"), _("toggle record enable track23"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 22U));
 250         session_sensitive_actions.push_back (act);
 251         act = register_action (common_actions, X_("ToggleRecordEnableTrack24"), _("toggle record enable track24"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 23U));
 252         session_sensitive_actions.push_back (act);
 253         act = register_action (common_actions, X_("ToggleRecordEnableTrack25"), _("toggle record enable track25"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 24U));
 254         session_sensitive_actions.push_back (act);
 255         act = register_action (common_actions, X_("ToggleRecordEnableTrack26"), _("toggle record enable track26"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 25U));
 256         session_sensitive_actions.push_back (act);
 257         act = register_action (common_actions, X_("ToggleRecordEnableTrack27"), _("toggle record enable track27"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 26U));
 258         session_sensitive_actions.push_back (act);
 259         act = register_action (common_actions, X_("ToggleRecordEnableTrack28"), _("toggle record enable track28"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 27U));
 260         session_sensitive_actions.push_back (act);
 261         act = register_action (common_actions, X_("ToggleRecordEnableTrack29"), _("toggle record enable track29"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 28U));
 262         session_sensitive_actions.push_back (act);
 263         act = register_action (common_actions, X_("ToggleRecordEnableTrack30"), _("toggle record enable track30"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 29U));
 264         session_sensitive_actions.push_back (act);
 265         act = register_action (common_actions, X_("ToggleRecordEnableTrack31"), _("toggle record enable track31"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 30U));
 266         session_sensitive_actions.push_back (act);
 267         act = register_action (common_actions, X_("ToggleRecordEnableTrack32"), _("toggle record enable track32"), bind (mem_fun(*this, &ARDOUR_UI::toggle_record_enable), 31U));
 268         session_sensitive_actions.push_back (act);
 269
 270         ui_manager->insert_action_group (jack_actions);
 271         ui_manager->insert_action_group (main_actions);
 272         ui_manager->insert_action_group (common_actions);
 273
 274         register_ui_manager (ui_manager);
 275 }
 276
 277 void
 278 ARDOUR_UI::build_menu_bar ()
 279 {
 280         menu_bar = dynamic_cast<MenuBar*> (ui_manager->get_widget (X_("/Main")));
 281         menu_bar->set_name ("MainMenuBar");
 282
 283         wall_clock_box.add (wall_clock_label);
 284         wall_clock_box.set_name ("WallClock");
 285         wall_clock_label.set_name ("WallClock");
 286
 287         disk_space_box.add (disk_space_label);
 288         disk_space_box.set_name ("WallClock");
 289         disk_space_label.set_name ("WallClock");
 290
 291         cpu_load_box.add (cpu_load_label);
 292         cpu_load_box.set_name ("CPULoad");
 293         cpu_load_label.set_name ("CPULoad");
 294
 295         buffer_load_box.add (buffer_load_label);
 296         buffer_load_box.set_name ("BufferLoad");
 297         buffer_load_label.set_name ("BufferLoad");
 298
 299 //      disk_rate_box.add (disk_rate_label);
 300 //      disk_rate_box.set_name ("DiskRate");
 301 //      disk_rate_label.set_name ("DiskRate");
 302
 303         sample_rate_box.add (sample_rate_label);
 304         sample_rate_box.set_name ("SampleRate");
 305         sample_rate_label.set_name ("SampleRate");
 306
 307         menu_hbox.pack_start (*menu_bar, true, true);
 308         menu_hbox.pack_end (wall_clock_box, false, false, 10);
 309         menu_hbox.pack_end (disk_space_box, false, false, 10);
 310         menu_hbox.pack_end (cpu_load_box, false, false, 10);
 311 //      menu_hbox.pack_end (disk_rate_box, false, false, 10);
 312         menu_hbox.pack_end (buffer_load_box, false, false, 10);
 313         menu_hbox.pack_end (sample_rate_box, false, false, 10);
 314
 315         menu_bar_base.set_name ("MainMenuBar");
 316         menu_bar_base.add (menu_hbox);
 317 }
 318
 319 void
 320 ARDOUR_UI::editor_display_control_changed (Editing::DisplayControl c)
 321 {
 322         switch (c) {
 323         case Editing::FollowPlayhead:
 324                 follow_button.set_active (editor->follow_playhead ());
 325                 break;
 326         default:
 327                 break;
 328         }
 329 }
 330