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