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