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