gtk2_ardour/ardour_ui.h

   1 /*
   2     Copyright (C) 1999-2002 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 #ifndef __ardour_gui_h__
  21 #define __ardour_gui_h__
  22
  23 #include <time.h>
  24
  25 /* need _BSD_SOURCE to get timersub macros */
  26
  27 #ifdef _BSD_SOURCE
  28 #include <sys/time.h>
  29 #else
  30 #define _BSD_SOURCE
  31 #include <sys/time.h>
  32 #undef _BSD_SOURCE
  33 #endif
  34
  35 #include <list>
  36 #include <cmath>
  37
  38 #include <libgnomecanvasmm/canvas.h>
  39
  40 #include "pbd/xml++.h"
  41 #include "pbd/controllable.h"
  42 #include <gtkmm/box.h>
  43 #include <gtkmm/frame.h>
  44 #include <gtkmm/label.h>
  45 #include <gtkmm/table.h>
  46 #include <gtkmm/fixed.h>
  47 #include <gtkmm/drawingarea.h>
  48 #include <gtkmm/eventbox.h>
  49 #include <gtkmm/menu.h>
  50 #include <gtkmm/menuitem.h>
  51 #include <gtkmm/button.h>
  52 #include <gtkmm/togglebutton.h>
  53 #include <gtkmm/treeview.h>
  54 #include <gtkmm/menubar.h>
  55 #include <gtkmm/textbuffer.h>
  56 #include <gtkmm/adjustment.h>
  57 #include <gtkmm2ext/gtk_ui.h>
  58 #include <gtkmm2ext/click_box.h>
  59 #include <gtkmm2ext/stateful_button.h>
  60 #include <gtkmm2ext/bindable_button.h>
  61 #include "ardour/ardour.h"
  62 #include "ardour/types.h"
  63 #include "ardour/utils.h"
  64 #include "ardour/session_handle.h"
  65
  66 #include "audio_clock.h"
  67 #include "ardour_dialog.h"
  68 #include "editing.h"
  69 #include "ui_config.h"
  70
  71 class About;
  72 class AddRouteDialog;
  73 class ArdourStartup;
  74 class ArdourKeyboard;
  75 class AudioClock;
  76 class BundleManager;
  77 class ConnectionEditor;
  78 class KeyEditor;
  79 class LocationUIWindow;
  80 class Mixer_UI;
  81 class PublicEditor;
  82 class RCOptionEditor;
  83 class RouteParams_UI;
  84 class SessionOptionEditor;
  85 class Splash;
  86 class ThemeManager;
  87
  88 namespace Gtkmm2ext {
  89         class TearOff;
  90 }
  91
  92 namespace ARDOUR {
  93         class ControlProtocolInfo;
  94         class IO;
  95         class Port;
  96         class Route;
  97         class RouteGroup;
  98         class Location;
  99 }
 100
 101 extern sigc::signal<void>  ColorsChanged;
 102 extern sigc::signal<void>  DPIReset;
 103
 104 class ARDOUR_UI : public Gtkmm2ext::UI, public ARDOUR::SessionHandlePtr
 105 {
 106   public:
 107         ARDOUR_UI (int *argcp, char **argvp[]);
 108         ~ARDOUR_UI();
 109
 110         bool run_startup (bool should_be_new);
 111
 112         void show ();
 113         bool shown() { return shown_flag; }
 114
 115         void show_splash ();
 116         void hide_splash ();
 117
 118         void launch_chat ();
 119         void show_about ();
 120         void hide_about ();
 121
 122         void idle_load (const Glib::ustring& path);
 123         void finish();
 124
 125         int load_session (const Glib::ustring& path, const Glib::ustring& snapshot, Glib::ustring mix_template = Glib::ustring());
 126         bool session_loaded;
 127         int build_session (const Glib::ustring& path, const Glib::ustring& snapshot,
 128                            uint32_t ctl_chns,
 129                            uint32_t master_chns,
 130                            ARDOUR::AutoConnectOption input_connect,
 131                            ARDOUR::AutoConnectOption output_connect,
 132                            uint32_t nphysin,
 133                            uint32_t nphysout,
 134                            nframes_t initial_length);
 135         bool session_is_new() const { return _session_is_new; }
 136
 137         ARDOUR::Session* the_session() { return _session; }
 138
 139         bool will_create_new_session_automatically() const {
 140                 return _will_create_new_session_automatically;
 141         }
 142
 143         void set_will_create_new_session_automatically (bool yn) {
 144                 _will_create_new_session_automatically = yn;
 145         }
 146
 147         int get_session_parameters (bool quit_on_cancel, bool should_be_new = false);
 148         void parse_cmdline_path (const Glib::ustring& cmdline_path, Glib::ustring& session_name, Glib::ustring& session_path, bool& existing_session);
 149         int  load_cmdline_session (const Glib::ustring& session_name, const Glib::ustring& session_path, bool& existing_session);
 150         int  build_session_from_nsd (const Glib::ustring& session_name, const Glib::ustring& session_path);
 151         bool ask_about_loading_existing_session (const Glib::ustring& session_path);
 152
 153         /// @return true if session was successfully unloaded.
 154         int unload_session (bool hide_stuff = false);
 155         void close_session();
 156
 157         int  save_state_canfail (std::string state_name = "");
 158         void save_state (const std::string & state_name = "");
 159
 160         static double gain_to_slider_position (ARDOUR::gain_t g);
 161         static ARDOUR::gain_t slider_position_to_gain (double pos);
 162
 163         static ARDOUR_UI *instance () { return theArdourUI; }
 164         static UIConfiguration *config () { return ui_config; }
 165
 166         PublicEditor&     the_editor(){return *editor;}
 167         Mixer_UI* the_mixer() { return mixer; }
 168
 169         void toggle_key_editor ();
 170         void toggle_location_window ();
 171         void toggle_theme_manager ();
 172         void toggle_bundle_manager ();
 173         void toggle_big_clock_window ();
 174         void toggle_route_params_window ();
 175         void toggle_editing_space();
 176
 177         Gtk::Tooltips& tooltips() { return _tooltips; }
 178
 179         static sigc::signal<void,bool> Blink;
 180         static sigc::signal<void>      RapidScreenUpdate;
 181         static sigc::signal<void>      SuperRapidScreenUpdate;
 182         static sigc::signal<void,nframes_t, bool, nframes_t> Clock;
 183
 184         XMLNode* editor_settings() const;
 185         XMLNode* mixer_settings () const;
 186         XMLNode* keyboard_settings () const;
 187         XMLNode* tearoff_settings (const char*) const;
 188
 189         void save_ardour_state ();
 190         gboolean configure_handler (GdkEventConfigure* conf);
 191
 192         void do_transport_locate (nframes_t position);
 193         void halt_on_xrun_message ();
 194         void xrun_handler (nframes_t);
 195         void create_xrun_marker (nframes_t);
 196
 197         AudioClock primary_clock;
 198         AudioClock secondary_clock;
 199         AudioClock preroll_clock;
 200         AudioClock postroll_clock;
 201
 202         void store_clock_modes ();
 203         void restore_clock_modes ();
 204         void reset_main_clocks ();
 205
 206         void add_route (Gtk::Window* float_window);
 207
 208         void session_add_audio_track (int input_channels, int32_t output_channels, ARDOUR::TrackMode mode, ARDOUR::RouteGroup* route_group, uint32_t how_many) {
 209                 session_add_audio_route (true, false, input_channels, output_channels, mode, route_group, how_many);
 210         }
 211
 212         void session_add_audio_bus (bool aux,  int input_channels, int32_t output_channels, ARDOUR::RouteGroup* route_group, uint32_t how_many) {
 213                 session_add_audio_route (false, aux, input_channels, output_channels, ARDOUR::Normal, route_group, how_many);
 214         }
 215
 216         void session_add_midi_track (ARDOUR::RouteGroup* route_group, uint32_t how_many) {
 217                 session_add_midi_route (true, route_group, how_many);
 218         }
 219
 220         /*void session_add_midi_bus () {
 221                 session_add_midi_route (false);
 222         }*/
 223
 224         int  create_engine ();
 225         void post_engine ();
 226
 227         gint exit_on_main_window_close (GdkEventAny *);
 228
 229         void maximise_editing_space ();
 230         void restore_editing_space ();
 231
 232         void setup_profile ();
 233         void setup_theme ();
 234         void setup_tooltips ();
 235
 236         void set_shuttle_fract (double);
 237
 238   protected:
 239         friend class PublicEditor;
 240
 241         void toggle_clocking ();
 242         void toggle_auto_play ();
 243         void toggle_auto_input ();
 244         void toggle_punch ();
 245         void unset_dual_punch ();
 246         bool ignore_dual_punch;
 247         void toggle_punch_in ();
 248         void toggle_punch_out ();
 249         void show_loop_punch_ruler_and_disallow_hide ();
 250         void reenable_hide_loop_punch_ruler_if_appropriate ();
 251         void toggle_auto_return ();
 252         void toggle_click ();
 253
 254         void toggle_session_auto_loop ();
 255
 256         void toggle_rc_options_window ();
 257         void toggle_session_options_window ();
 258
 259   private:
 260         ArdourStartup*      _startup;
 261         ARDOUR::AudioEngine *engine;
 262         Gtk::Tooltips        _tooltips;
 263
 264         void                goto_editor_window ();
 265         void                goto_mixer_window ();
 266         void                toggle_editor_mixer_on_top ();
 267         bool                _mixer_on_top;
 268
 269         Gtk::ToggleButton   preroll_button;
 270         Gtk::ToggleButton   postroll_button;
 271
 272         int  setup_windows ();
 273         void setup_transport ();
 274         void setup_clock ();
 275
 276         static ARDOUR_UI *theArdourUI;
 277
 278         void backend_audio_error (bool we_set_params, Gtk::Window* toplevel = 0);
 279         void startup ();
 280         void shutdown ();
 281
 282         int  ask_about_saving_session (const std::string & why);
 283
 284         /* periodic safety backup, to be precise */
 285         gint autosave_session();
 286         void update_autosave();
 287         sigc::connection _autosave_connection;
 288
 289         void map_transport_state ();
 290         int32_t do_engine_start ();
 291
 292         void engine_halted ();
 293         void engine_stopped ();
 294         void engine_running ();
 295
 296         void use_config ();
 297
 298         static gint _blink  (void *);
 299         void blink ();
 300         gint blink_timeout_tag;
 301         bool blink_on;
 302         void start_blinking ();
 303         void stop_blinking ();
 304
 305         void about_signal_response(int response);
 306
 307   private:
 308         Gtk::VBox     top_packer;
 309
 310         sigc::connection clock_signal_connection;
 311         void         update_clocks ();
 312         void         start_clocking ();
 313         void         stop_clocking ();
 314
 315         void manage_window (Gtk::Window&);
 316
 317         AudioClock   big_clock;
 318         Gtk::Window* big_clock_window;
 319         int original_big_clock_width;
 320         int original_big_clock_height;
 321         double original_big_clock_font_size;
 322
 323         void big_clock_size_allocate (Gtk::Allocation&);
 324         bool idle_big_clock_text_resizer (int width, int height);
 325         void big_clock_realized ();
 326         bool big_clock_resize_in_progress;
 327         int  big_clock_height;
 328
 329         void float_big_clock (Gtk::Window* parent);
 330         bool main_window_state_event_handler (GdkEventWindowState*, bool window_was_editor);
 331
 332         void update_transport_clocks (nframes_t pos);
 333         void record_state_changed ();
 334
 335         /* Transport Control */
 336
 337         void detach_tearoff (Gtk::Box* parent, Gtk::Widget* contents);
 338         void reattach_tearoff (Gtk::Box* parent, Gtk::Widget* contents, int32_t order);
 339
 340         Gtkmm2ext::TearOff*      transport_tearoff;
 341         Gtk::Frame               transport_frame;
 342         Gtk::HBox                transport_tearoff_hbox;
 343         Gtk::HBox                play_range_hbox;
 344         Gtk::VBox                play_range_vbox;
 345         Gtk::HBox                transport_hbox;
 346         Gtk::Fixed               transport_base;
 347         Gtk::Fixed               transport_button_base;
 348         Gtk::Frame               transport_button_frame;
 349         Gtk::HBox                transport_button_hbox;
 350         Gtk::VBox                transport_button_vbox;
 351         Gtk::HBox                transport_option_button_hbox;
 352         Gtk::VBox                transport_option_button_vbox;
 353         Gtk::HBox                transport_clock_hbox;
 354         Gtk::VBox                transport_clock_vbox;
 355         Gtk::HBox                primary_clock_hbox;
 356         Gtk::HBox                secondary_clock_hbox;
 357
 358
 359         struct TransportControllable : public PBD::Controllable {
 360             enum ToggleType {
 361                     Roll = 0,
 362                     Stop,
 363                     RecordEnable,
 364                     GotoStart,
 365                     GotoEnd,
 366                     AutoLoop,
 367                     PlaySelection,
 368                     ShuttleControl
 369
 370             };
 371
 372             TransportControllable (std::string name, ARDOUR_UI&, ToggleType);
 373             void set_value (float);
 374             float get_value (void) const;
 375
 376             void set_id (const std::string&);
 377
 378             ARDOUR_UI& ui;
 379             ToggleType type;
 380         };
 381
 382         boost::shared_ptr<TransportControllable> roll_controllable;
 383         boost::shared_ptr<TransportControllable> stop_controllable;
 384         boost::shared_ptr<TransportControllable> goto_start_controllable;
 385         boost::shared_ptr<TransportControllable> goto_end_controllable;
 386         boost::shared_ptr<TransportControllable> auto_loop_controllable;
 387         boost::shared_ptr<TransportControllable> play_selection_controllable;
 388         boost::shared_ptr<TransportControllable> rec_controllable;
 389         boost::shared_ptr<TransportControllable> shuttle_controllable;
 390         BindingProxy shuttle_controller_binding_proxy;
 391
 392         void set_transport_controllable_state (const XMLNode&);
 393         XMLNode& get_transport_controllable_state ();
 394
 395         BindableButton roll_button;
 396         BindableButton stop_button;
 397         BindableButton goto_start_button;
 398         BindableButton goto_end_button;
 399         BindableButton auto_loop_button;
 400         BindableButton play_selection_button;
 401         BindableButton rec_button;
 402         Gtk::ToggleButton join_play_range_button;
 403
 404         void toggle_external_sync ();
 405         void toggle_time_master ();
 406         void toggle_video_sync ();
 407
 408         Gtk::DrawingArea  shuttle_box;
 409         Gtk::EventBox     speed_display_box;
 410         Gtk::Label        speed_display_label;
 411         Gtk::Button       shuttle_units_button;
 412         Gtk::ComboBoxText shuttle_style_button;
 413         Gtk::Menu*        shuttle_unit_menu;
 414         Gtk::Menu*        shuttle_style_menu;
 415         float             shuttle_max_speed;
 416         Gtk::Menu*        shuttle_context_menu;
 417
 418         void build_shuttle_context_menu ();
 419         void show_shuttle_context_menu ();
 420         void shuttle_style_changed();
 421         void shuttle_unit_clicked ();
 422         void set_shuttle_max_speed (float);
 423         void update_speed_display ();
 424         float last_speed_displayed;
 425
 426         gint shuttle_box_button_press (GdkEventButton*);
 427         gint shuttle_box_button_release (GdkEventButton*);
 428         gint shuttle_box_scroll (GdkEventScroll*);
 429         gint shuttle_box_motion (GdkEventMotion*);
 430         gint shuttle_box_expose (GdkEventExpose*);
 431         gint mouse_shuttle (double x, bool force);
 432         void use_shuttle_fract (bool force);
 433
 434         bool   shuttle_grabbed;
 435         double shuttle_fract;
 436
 437         Gtkmm2ext::StatefulToggleButton punch_in_button;
 438         Gtkmm2ext::StatefulToggleButton punch_out_button;
 439         Gtkmm2ext::StatefulToggleButton auto_return_button;
 440         Gtkmm2ext::StatefulToggleButton auto_play_button;
 441         Gtkmm2ext::StatefulToggleButton auto_input_button;
 442         Gtkmm2ext::StatefulToggleButton click_button;
 443         Gtkmm2ext::StatefulToggleButton time_master_button;
 444         Gtkmm2ext::StatefulToggleButton sync_button;
 445
 446         Gtk::ToggleButton auditioning_alert_button;
 447         Gtk::ToggleButton solo_alert_button;
 448
 449         Gtk::VBox alert_box;
 450
 451         void solo_blink (bool);
 452         void sync_blink (bool);
 453         void audition_blink (bool);
 454
 455         void soloing_changed (bool);
 456         void auditioning_changed (bool);
 457         void _auditioning_changed (bool);
 458
 459         bool solo_alert_press (GdkEventButton* ev);
 460         bool audition_alert_press (GdkEventButton* ev);
 461
 462         void big_clock_value_changed ();
 463         void primary_clock_value_changed ();
 464         void secondary_clock_value_changed ();
 465
 466         /* called by Blink signal */
 467
 468         void transport_rec_enable_blink (bool onoff);
 469
 470         Gtk::Menu*        session_popup_menu;
 471
 472         struct RecentSessionModelColumns : public Gtk::TreeModel::ColumnRecord {
 473             RecentSessionModelColumns() {
 474                     add (visible_name);
 475                     add (fullpath);
 476             }
 477             Gtk::TreeModelColumn<Glib::ustring> visible_name;
 478             Gtk::TreeModelColumn<Glib::ustring> fullpath;
 479         };
 480
 481         RecentSessionModelColumns    recent_session_columns;
 482         Gtk::TreeView                recent_session_display;
 483         Glib::RefPtr<Gtk::TreeStore> recent_session_model;
 484
 485         ArdourDialog*     session_selector_window;
 486         Gtk::FileChooserDialog* open_session_selector;
 487
 488         void build_session_selector();
 489         void redisplay_recent_sessions();
 490         void recent_session_row_activated (const Gtk::TreePath& path, Gtk::TreeViewColumn* col);
 491
 492         struct RecentSessionsSorter {
 493                 bool operator() (std::pair<std::string,std::string> a, std::pair<std::string,std::string> b) const {
 494                     return cmp_nocase(a.first, b.first) == -1;
 495             }
 496         };
 497
 498         /* menu bar and associated stuff */
 499
 500         Gtk::MenuBar* menu_bar;
 501         Gtk::EventBox menu_bar_base;
 502         Gtk::HBox     menu_hbox;
 503
 504         void use_menubar_as_top_menubar ();
 505         void build_menu_bar ();
 506
 507         Gtk::Label   wall_clock_label;
 508         Gtk::EventBox wall_clock_box;
 509         gint update_wall_clock ();
 510
 511         Gtk::Label   disk_space_label;
 512         Gtk::EventBox disk_space_box;
 513         void update_disk_space ();
 514
 515         Gtk::Label   cpu_load_label;
 516         Gtk::EventBox cpu_load_box;
 517         void update_cpu_load ();
 518
 519         Gtk::Label   buffer_load_label;
 520         Gtk::EventBox buffer_load_box;
 521         void update_buffer_load ();
 522
 523         Gtk::Label   sample_rate_label;
 524         Gtk::EventBox sample_rate_box;
 525         void update_sample_rate (nframes_t);
 526
 527         gint every_second ();
 528         gint every_point_one_seconds ();
 529         gint every_point_zero_one_seconds ();
 530
 531         sigc::connection second_connection;
 532         sigc::connection point_one_second_connection;
 533         sigc::connection point_oh_five_second_connection;
 534         sigc::connection point_zero_one_second_connection;
 535
 536         gint session_menu (GdkEventButton *);
 537
 538         bool _will_create_new_session_automatically;
 539
 540         void open_session ();
 541         void open_recent_session ();
 542         void save_template ();
 543
 544         void edit_metadata ();
 545         void import_metadata ();
 546
 547         void session_add_audio_route (bool disk, bool aux, int32_t input_channels, int32_t output_channels, ARDOUR::TrackMode mode, ARDOUR::RouteGroup *, uint32_t how_many);
 548         void session_add_midi_route (bool disk, ARDOUR::RouteGroup *, uint32_t how_many);
 549
 550         void set_transport_sensitivity (bool);
 551
 552         void remove_last_capture ();
 553
 554         void transport_goto_zero ();
 555         void transport_goto_start ();
 556         void transport_goto_end ();
 557         void transport_goto_wallclock ();
 558         void transport_stop ();
 559         void transport_stop_and_forget_capture ();
 560         void transport_record (bool roll);
 561         void transport_roll ();
 562         void transport_play_selection();
 563         void transport_forward (int option);
 564         void transport_rewind (int option);
 565         void transport_loop ();
 566         void toggle_roll (bool with_abort, bool roll_out_of_bounded_mode);
 567
 568         bool _session_is_new;
 569         void set_session (ARDOUR::Session *);
 570         void connect_dependents_to_session (ARDOUR::Session *);
 571         void we_have_dependents ();
 572
 573         void setup_session_options ();
 574
 575         guint32  last_key_press_time;
 576
 577         void snapshot_session ();
 578
 579         Mixer_UI   *mixer;
 580         int         create_mixer ();
 581
 582         PublicEditor     *editor;
 583         int         create_editor ();
 584
 585         RouteParams_UI *route_params;
 586         int             create_route_params ();
 587
 588         BundleManager *bundle_manager;
 589         void create_bundle_manager ();
 590
 591         LocationUIWindow *location_ui;
 592         int               create_location_ui ();
 593         void              handle_locations_change (ARDOUR::Location*);
 594
 595         static UIConfiguration *ui_config;
 596         ThemeManager *theme_manager;
 597
 598         /* Key bindings editor */
 599
 600         KeyEditor *key_editor;
 601
 602         /* RC Options window */
 603
 604         RCOptionEditor *rc_option_editor;
 605
 606         SessionOptionEditor *session_option_editor;
 607
 608         /* route dialog */
 609
 610         AddRouteDialog *add_route_dialog;
 611
 612         /* Keyboard Handling */
 613
 614         ArdourKeyboard* keyboard;
 615
 616         /* Keymap handling */
 617
 618         void install_actions ();
 619
 620         void toggle_record_enable (uint32_t);
 621
 622         uint32_t rec_enabled_streams;
 623         void count_recenabled_streams (ARDOUR::Route&);
 624
 625         About* about;
 626         Splash* splash;
 627         void pop_back_splash ();
 628         bool shown_flag;
 629
 630         /* cleanup */
 631
 632         Gtk::MenuItem *cleanup_item;
 633
 634         void display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title,
 635                                       const std::string& plural_msg, const std::string& singular_msg);
 636         void cleanup ();
 637         void flush_trash ();
 638
 639         bool have_configure_timeout;
 640         ARDOUR::microseconds_t last_configure_time;
 641         gint configure_timeout ();
 642
 643         ARDOUR::microseconds_t last_peak_grab;
 644         ARDOUR::microseconds_t last_shuttle_request;
 645
 646         struct DiskBufferStat {
 647             time_t when;
 648             uint32_t capture;
 649             uint32_t playback;
 650
 651             DiskBufferStat (time_t w, uint32_t c, uint32_t p)
 652             : when (w), capture (c), playback (p) {}
 653         };
 654
 655         std::list<DiskBufferStat> disk_buffer_stats;
 656         void push_buffer_stats (uint32_t, uint32_t);
 657         void write_buffer_stats ();
 658
 659         bool have_disk_speed_dialog_displayed;
 660         void disk_speed_dialog_gone (int ignored_response, Gtk::MessageDialog*);
 661         void disk_overrun_handler ();
 662         void disk_underrun_handler ();
 663
 664         void session_dialog (std::string);
 665         int pending_state_dialog ();
 666         int sr_mismatch_dialog (nframes_t, nframes_t);
 667
 668         void disconnect_from_jack ();
 669         void reconnect_to_jack ();
 670         void set_jack_buffer_size (nframes_t);
 671
 672         Gtk::MenuItem* jack_disconnect_item;
 673         Gtk::MenuItem* jack_reconnect_item;
 674         Gtk::Menu*     jack_bufsize_menu;
 675
 676         Glib::RefPtr<Gtk::ActionGroup> common_actions;
 677
 678         void editor_realized ();
 679
 680         std::vector<std::string> positional_sync_strings;
 681
 682         void toggle_send_midi_feedback ();
 683         void toggle_use_mmc ();
 684         void toggle_send_mmc ();
 685         void toggle_send_mtc ();
 686         void toggle_send_midi_clock ();
 687
 688         void toggle_use_osc ();
 689
 690         void parameter_changed (std::string);
 691
 692         bool first_idle ();
 693
 694         void no_memory_warning ();
 695         void check_memory_locking ();
 696
 697         bool check_audioengine();
 698         void audioengine_setup ();
 699
 700         void display_message (const char *prefix, gint prefix_len,
 701                         Glib::RefPtr<Gtk::TextBuffer::Tag> ptag, Glib::RefPtr<Gtk::TextBuffer::Tag> mtag,
 702                         const char *msg);
 703         Gtk::Label status_bar_label;
 704         Gtk::ToggleButton error_log_button;
 705
 706         void loading_message (const std::string& msg);
 707         void end_loading_messages ();
 708
 709         void platform_specific ();
 710         void platform_setup ();
 711         void fontconfig_dialog ();
 712
 713         PBD::ScopedConnectionList forever_connections;
 714 };
 715
 716 #endif /* __ardour_gui_h__ */
 717