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 #include "window_proxy.h"
  71
  72 class About;
  73 class AddRouteDialog;
  74 class ArdourStartup;
  75 class ArdourKeyboard;
  76 class AudioClock;
  77 class BundleManager;
  78 class ConnectionEditor;
  79 class KeyEditor;
  80 class LocationUIWindow;
  81 class Mixer_UI;
  82 class PublicEditor;
  83 class RCOptionEditor;
  84 class RouteParams_UI;
  85 class SessionOptionEditor;
  86 class ShuttleControl;
  87 class Splash;
  88 class SpeakerDialog;
  89 class ThemeManager;
  90 class MidiTracer;
  91 class WindowProxyBase;
  92 class GlobalPortMatrixWindow;
  93
  94 namespace Gtkmm2ext {
  95         class TearOff;
  96 }
  97
  98 namespace ARDOUR {
  99         class ControlProtocolInfo;
 100         class IO;
 101         class Port;
 102         class Route;
 103         class RouteGroup;
 104         class Location;
 105 }
 106
 107 class ARDOUR_UI : public Gtkmm2ext::UI, public ARDOUR::SessionHandlePtr
 108 {
 109   public:
 110         ARDOUR_UI (int *argcp, char **argvp[]);
 111         ~ARDOUR_UI();
 112
 113         bool run_startup (bool should_be_new, std::string load_template);
 114
 115         void show_splash ();
 116         void hide_splash ();
 117
 118         void launch_chat ();
 119         void launch_manual ();
 120         void launch_reference ();
 121         void show_about ();
 122         void hide_about ();
 123
 124         void idle_load (const std::string& path);
 125         void finish();
 126
 127         int load_session (const std::string& path, const std::string& snapshot, std::string mix_template = std::string());
 128         bool session_loaded;
 129         int build_session (const std::string& path, const std::string& snapshot, ARDOUR::BusProfile&);
 130         bool session_is_new() const { return _session_is_new; }
 131
 132         ARDOUR::Session* the_session() { return _session; }
 133
 134         bool will_create_new_session_automatically() const {
 135                 return _will_create_new_session_automatically;
 136         }
 137
 138         void set_will_create_new_session_automatically (bool yn) {
 139                 _will_create_new_session_automatically = yn;
 140         }
 141
 142         int get_session_parameters (bool quit_on_cancel, bool should_be_new = false, std::string load_template = "");
 143         int  build_session_from_nsd (const std::string& session_name, const std::string& session_path);
 144         bool ask_about_loading_existing_session (const std::string& 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 ARDOUR_UI *instance () { return theArdourUI; }
 154         static UIConfiguration *config () { return ui_config; }
 155
 156         PublicEditor&     the_editor(){return *editor;}
 157         Mixer_UI* the_mixer() { return mixer; }
 158
 159         void toggle_key_editor ();
 160         void toggle_location_window ();
 161         void toggle_theme_manager ();
 162         void toggle_bundle_manager ();
 163         void toggle_big_clock_window ();
 164         void toggle_speaker_config_window ();
 165         void new_midi_tracer_window ();
 166         void toggle_route_params_window ();
 167         void toggle_editing_space();
 168         void toggle_keep_tearoffs();
 169
 170         Gtk::Tooltips& tooltips() { return _tooltips; }
 171
 172         Gtk::HBox& editor_transport_box() { return _editor_transport_box; }
 173
 174         static PublicEditor* _instance;
 175         static sigc::signal<void,bool> Blink;
 176         static sigc::signal<void>      RapidScreenUpdate;
 177         static sigc::signal<void>      SuperRapidScreenUpdate;
 178         /** Emitted frequently with the audible frame, false, and the edit point as
 179          *  parameters respectively.
 180          */
 181         static sigc::signal<void, framepos_t, bool, framepos_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 (framepos_t, bool);
 192         void halt_on_xrun_message ();
 193         void xrun_handler (framepos_t);
 194         void create_xrun_marker (framepos_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 synchronize_sync_source_and_video_pullup ();
 206
 207         void add_route (Gtk::Window* float_window);
 208
 209         void session_add_audio_track (
 210                 int input_channels,
 211                 int32_t output_channels,
 212                 ARDOUR::TrackMode mode,
 213                 ARDOUR::RouteGroup* route_group,
 214                 uint32_t how_many,
 215                 std::string const & name_template
 216                 ) {
 217
 218                 session_add_audio_route (true, input_channels, output_channels, mode, route_group, how_many, name_template);
 219         }
 220
 221         void session_add_audio_bus (
 222                 int input_channels,
 223                 int32_t output_channels,
 224                 ARDOUR::RouteGroup* route_group,
 225                 uint32_t how_many,
 226                 std::string const & name_template
 227                 ) {
 228
 229                 session_add_audio_route (false, input_channels, output_channels, ARDOUR::Normal, route_group, how_many, name_template);
 230         }
 231
 232         void session_add_midi_track (
 233                 ARDOUR::RouteGroup* route_group,
 234                 uint32_t how_many,
 235                 std::string const & name_template
 236                 ) {
 237
 238                 session_add_midi_route (true, route_group, how_many, name_template);
 239         }
 240
 241         /*void session_add_midi_bus () {
 242                 session_add_midi_route (false);
 243         }*/
 244
 245         int  create_engine ();
 246         void post_engine ();
 247
 248         gint exit_on_main_window_close (GdkEventAny *);
 249
 250         void maximise_editing_space ();
 251         void restore_editing_space ();
 252
 253         void setup_profile ();
 254         void setup_theme ();
 255         void setup_tooltips ();
 256
 257         void set_shuttle_fract (double);
 258
 259         void add_window_proxy (WindowProxyBase *);
 260         void remove_window_proxy (WindowProxyBase *);
 261
 262   protected:
 263         friend class PublicEditor;
 264
 265         void toggle_clocking ();
 266         void toggle_auto_play ();
 267         void toggle_auto_input ();
 268         void toggle_punch ();
 269         void unset_dual_punch ();
 270         bool ignore_dual_punch;
 271         void toggle_punch_in ();
 272         void toggle_punch_out ();
 273         void show_loop_punch_ruler_and_disallow_hide ();
 274         void reenable_hide_loop_punch_ruler_if_appropriate ();
 275         void toggle_auto_return ();
 276         void toggle_click ();
 277
 278         void toggle_session_auto_loop ();
 279
 280         void toggle_rc_options_window ();
 281         void toggle_session_options_window ();
 282
 283   private:
 284         ArdourStartup*      _startup;
 285         ARDOUR::AudioEngine *engine;
 286         Gtk::Tooltips        _tooltips;
 287
 288         void                goto_editor_window ();
 289         void                goto_mixer_window ();
 290         void                toggle_mixer_window ();
 291         void                toggle_mixer_on_top ();
 292
 293         Gtk::ToggleButton   preroll_button;
 294         Gtk::ToggleButton   postroll_button;
 295
 296         int  setup_windows ();
 297         void setup_transport ();
 298         void setup_clock ();
 299
 300         static ARDOUR_UI *theArdourUI;
 301
 302         void backend_audio_error (bool we_set_params, Gtk::Window* toplevel = 0);
 303         void startup ();
 304         void shutdown ();
 305
 306         int  ask_about_saving_session (const std::vector<std::string>& actions);
 307
 308         /* periodic safety backup, to be precise */
 309         gint autosave_session();
 310         void update_autosave();
 311         sigc::connection _autosave_connection;
 312
 313         void map_transport_state ();
 314         int32_t do_engine_start ();
 315
 316         void engine_halted (const char* reason, bool free_reason);
 317         void engine_stopped ();
 318         void engine_running ();
 319
 320         void use_config ();
 321
 322         static gint _blink  (void *);
 323         void blink ();
 324         gint blink_timeout_tag;
 325         bool blink_on;
 326         void start_blinking ();
 327         void stop_blinking ();
 328
 329         void about_signal_response(int response);
 330
 331         Gtk::VBox     top_packer;
 332
 333         sigc::connection clock_signal_connection;
 334         void         update_clocks ();
 335         void         start_clocking ();
 336         void         stop_clocking ();
 337
 338         void manage_window (Gtk::Window&);
 339
 340         AudioClock   big_clock;
 341         ActionWindowProxy<Gtk::Window>* big_clock_window;
 342         int original_big_clock_width;
 343         int original_big_clock_height;
 344         double original_big_clock_font_size;
 345
 346         void big_clock_size_allocate (Gtk::Allocation&);
 347         bool idle_big_clock_text_resizer (int width, int height);
 348         void big_clock_realized ();
 349         bool big_clock_resize_in_progress;
 350         int  big_clock_height;
 351
 352         void float_big_clock (Gtk::Window* parent);
 353         bool main_window_state_event_handler (GdkEventWindowState*, bool window_was_editor);
 354
 355         ActionWindowProxy<SpeakerDialog>* speaker_config_window;
 356
 357         void update_transport_clocks (framepos_t pos);
 358         void record_state_changed ();
 359
 360         std::list<MidiTracer*> _midi_tracer_windows;
 361
 362         /* Transport Control */
 363
 364         void detach_tearoff (Gtk::Box* parent, Gtk::Widget* contents);
 365         void reattach_tearoff (Gtk::Box* parent, Gtk::Widget* contents, int32_t order);
 366
 367         Gtkmm2ext::TearOff*      transport_tearoff;
 368         Gtk::Frame               transport_frame;
 369         Gtk::HBox                transport_tearoff_hbox;
 370         Gtk::HBox               _editor_transport_box;
 371         Gtk::HBox                transport_hbox;
 372         Gtk::Fixed               transport_base;
 373         Gtk::Fixed               transport_button_base;
 374         Gtk::Frame               transport_button_frame;
 375         Gtk::HBox                transport_button_hbox;
 376         Gtk::VBox                transport_button_vbox;
 377         Gtk::HBox                transport_option_button_hbox;
 378         Gtk::VBox                transport_option_button_vbox;
 379         Gtk::HBox                transport_clock_hbox;
 380         Gtk::VBox                transport_clock_vbox;
 381         Gtk::HBox                primary_clock_hbox;
 382         Gtk::HBox                secondary_clock_hbox;
 383
 384         struct TransportControllable : public PBD::Controllable {
 385             enum ToggleType {
 386                     Roll = 0,
 387                     Stop,
 388                     RecordEnable,
 389                     GotoStart,
 390                     GotoEnd,
 391                     AutoLoop,
 392                     PlaySelection,
 393             };
 394
 395             TransportControllable (std::string name, ARDOUR_UI&, ToggleType);
 396             void set_value (double);
 397             double get_value (void) const;
 398
 399             void set_id (const std::string&);
 400
 401             ARDOUR_UI& ui;
 402             ToggleType type;
 403         };
 404
 405         boost::shared_ptr<TransportControllable> roll_controllable;
 406         boost::shared_ptr<TransportControllable> stop_controllable;
 407         boost::shared_ptr<TransportControllable> goto_start_controllable;
 408         boost::shared_ptr<TransportControllable> goto_end_controllable;
 409         boost::shared_ptr<TransportControllable> auto_loop_controllable;
 410         boost::shared_ptr<TransportControllable> play_selection_controllable;
 411         boost::shared_ptr<TransportControllable> rec_controllable;
 412         boost::shared_ptr<TransportControllable> shuttle_controllable;
 413         boost::shared_ptr<TransportControllable> join_play_range_controllable;
 414
 415         void set_transport_controllable_state (const XMLNode&);
 416         XMLNode& get_transport_controllable_state ();
 417
 418         BindableButton roll_button;
 419         BindableButton stop_button;
 420         BindableButton goto_start_button;
 421         BindableButton goto_end_button;
 422         BindableButton auto_loop_button;
 423         BindableButton play_selection_button;
 424         BindableButton rec_button;
 425         BindableToggleButton join_play_range_button;
 426
 427         void toggle_external_sync ();
 428         void toggle_time_master ();
 429         void toggle_video_sync ();
 430
 431         ShuttleControl* shuttle_box;
 432
 433         Gtkmm2ext::StatefulToggleButton punch_in_button;
 434         Gtkmm2ext::StatefulToggleButton punch_out_button;
 435         Gtkmm2ext::StatefulToggleButton auto_return_button;
 436         Gtkmm2ext::StatefulToggleButton auto_play_button;
 437         Gtkmm2ext::StatefulToggleButton auto_input_button;
 438         Gtkmm2ext::StatefulToggleButton click_button;
 439         Gtkmm2ext::StatefulToggleButton time_master_button;
 440         Gtkmm2ext::StatefulToggleButton sync_button;
 441
 442         Gtk::ToggleButton auditioning_alert_button;
 443         Gtk::ToggleButton solo_alert_button;
 444
 445         Gtk::VBox alert_box;
 446
 447         void solo_blink (bool);
 448         void sync_blink (bool);
 449         void audition_blink (bool);
 450
 451         void soloing_changed (bool);
 452         void auditioning_changed (bool);
 453         void _auditioning_changed (bool);
 454
 455         bool solo_alert_press (GdkEventButton* ev);
 456         bool audition_alert_press (GdkEventButton* ev);
 457
 458         void big_clock_value_changed ();
 459         void primary_clock_value_changed ();
 460         void secondary_clock_value_changed ();
 461
 462         /* called by Blink signal */
 463
 464         void transport_rec_enable_blink (bool onoff);
 465
 466         Gtk::Menu*        session_popup_menu;
 467
 468         struct RecentSessionModelColumns : public Gtk::TreeModel::ColumnRecord {
 469             RecentSessionModelColumns() {
 470                     add (visible_name);
 471                     add (fullpath);
 472             }
 473             Gtk::TreeModelColumn<std::string> visible_name;
 474             Gtk::TreeModelColumn<std::string> fullpath;
 475         };
 476
 477         RecentSessionModelColumns    recent_session_columns;
 478         Gtk::TreeView                recent_session_display;
 479         Glib::RefPtr<Gtk::TreeStore> recent_session_model;
 480
 481         ArdourDialog*     session_selector_window;
 482         Gtk::FileChooserDialog* open_session_selector;
 483
 484         void build_session_selector();
 485         void redisplay_recent_sessions();
 486         void recent_session_row_activated (const Gtk::TreePath& path, Gtk::TreeViewColumn* col);
 487
 488         struct RecentSessionsSorter {
 489                 bool operator() (std::pair<std::string,std::string> a, std::pair<std::string,std::string> b) const {
 490                     return cmp_nocase(a.first, b.first) == -1;
 491             }
 492         };
 493
 494         /* menu bar and associated stuff */
 495
 496         Gtk::MenuBar* menu_bar;
 497         Gtk::EventBox menu_bar_base;
 498         Gtk::HBox     menu_hbox;
 499
 500         void use_menubar_as_top_menubar ();
 501         void build_menu_bar ();
 502
 503         Gtk::Label   wall_clock_label;
 504         Gtk::EventBox wall_clock_box;
 505         gint update_wall_clock ();
 506
 507         Gtk::Label   disk_space_label;
 508         Gtk::EventBox disk_space_box;
 509         void update_disk_space ();
 510
 511         Gtk::Label   cpu_load_label;
 512         Gtk::EventBox cpu_load_box;
 513         void update_cpu_load ();
 514
 515         Gtk::Label   buffer_load_label;
 516         Gtk::EventBox buffer_load_box;
 517         void update_buffer_load ();
 518
 519         Gtk::Label   sample_rate_label;
 520         Gtk::EventBox sample_rate_box;
 521         void update_sample_rate (ARDOUR::framecnt_t);
 522
 523         gint every_second ();
 524         gint every_point_one_seconds ();
 525         gint every_point_zero_one_seconds ();
 526
 527         sigc::connection second_connection;
 528         sigc::connection point_one_second_connection;
 529         sigc::connection point_oh_five_second_connection;
 530         sigc::connection point_zero_one_second_connection;
 531
 532         gint session_menu (GdkEventButton *);
 533
 534         bool _will_create_new_session_automatically;
 535
 536         void open_session ();
 537         void open_recent_session ();
 538         void save_template ();
 539
 540         void edit_metadata ();
 541         void import_metadata ();
 542
 543         void session_add_audio_route (bool, int32_t, int32_t, ARDOUR::TrackMode, ARDOUR::RouteGroup *, uint32_t, std::string const &);
 544         void session_add_midi_route (bool, ARDOUR::RouteGroup *, uint32_t, std::string const &);
 545
 546         void set_transport_sensitivity (bool);
 547
 548         void remove_last_capture ();
 549
 550         void transport_goto_zero ();
 551         void transport_goto_start ();
 552         void transport_goto_end ();
 553         void transport_goto_wallclock ();
 554         void transport_stop ();
 555         void transport_stop_and_forget_capture ();
 556         void transport_record (bool roll);
 557         void transport_roll ();
 558         void transport_play_selection();
 559         void transport_forward (int option);
 560         void transport_rewind (int option);
 561         void transport_loop ();
 562         void toggle_roll (bool with_abort, bool roll_out_of_bounded_mode);
 563
 564         bool _session_is_new;
 565         void set_session (ARDOUR::Session *);
 566         void connect_dependents_to_session (ARDOUR::Session *);
 567         void we_have_dependents ();
 568
 569         void setup_session_options ();
 570
 571         guint32  last_key_press_time;
 572
 573         void snapshot_session (bool switch_to_it);
 574
 575         Mixer_UI   *mixer;
 576         int         create_mixer ();
 577
 578         PublicEditor     *editor;
 579         int         create_editor ();
 580
 581         RouteParams_UI *route_params;
 582         int             create_route_params ();
 583
 584         BundleManager *bundle_manager;
 585         void create_bundle_manager ();
 586
 587         ActionWindowProxy<LocationUIWindow>* location_ui;
 588         int               create_location_ui ();
 589         void              handle_locations_change (ARDOUR::Location*);
 590
 591         ActionWindowProxy<GlobalPortMatrixWindow>* _global_port_matrix[ARDOUR::DataType::num_types];
 592         void toggle_global_port_matrix (ARDOUR::DataType);
 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
 628         /* cleanup */
 629
 630         Gtk::MenuItem *cleanup_item;
 631
 632         void display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title,
 633                                       const std::string& plural_msg, const std::string& singular_msg);
 634         void cleanup ();
 635         void flush_trash ();
 636
 637         bool have_configure_timeout;
 638         ARDOUR::microseconds_t last_configure_time;
 639         gint configure_timeout ();
 640
 641         ARDOUR::microseconds_t last_peak_grab;
 642         ARDOUR::microseconds_t last_shuttle_request;
 643
 644         bool have_disk_speed_dialog_displayed;
 645         void disk_speed_dialog_gone (int ignored_response, Gtk::MessageDialog*);
 646         void disk_overrun_handler ();
 647         void disk_underrun_handler ();
 648
 649         void session_dialog (std::string);
 650         int pending_state_dialog ();
 651         int sr_mismatch_dialog (ARDOUR::framecnt_t, ARDOUR::framecnt_t);
 652
 653         void disconnect_from_jack ();
 654         void reconnect_to_jack ();
 655         void set_jack_buffer_size (ARDOUR::pframes_t);
 656
 657         Gtk::MenuItem* jack_disconnect_item;
 658         Gtk::MenuItem* jack_reconnect_item;
 659         Gtk::Menu*     jack_bufsize_menu;
 660
 661         Glib::RefPtr<Gtk::ActionGroup> common_actions;
 662
 663         void editor_realized ();
 664
 665         std::vector<std::string> positional_sync_strings;
 666
 667         void toggle_send_midi_feedback ();
 668         void toggle_use_mmc ();
 669         void toggle_send_mmc ();
 670         void toggle_send_mtc ();
 671         void toggle_send_midi_clock ();
 672
 673         void toggle_use_osc ();
 674
 675         void parameter_changed (std::string);
 676
 677         bool first_idle ();
 678
 679         void no_memory_warning ();
 680         void check_memory_locking ();
 681
 682         bool check_audioengine();
 683         void audioengine_setup ();
 684
 685         void display_message (const char *prefix, gint prefix_len,
 686                         Glib::RefPtr<Gtk::TextBuffer::Tag> ptag, Glib::RefPtr<Gtk::TextBuffer::Tag> mtag,
 687                         const char *msg);
 688         Gtk::Label status_bar_label;
 689         bool status_bar_button_press (GdkEventButton*);
 690         Gtk::ToggleButton error_log_button;
 691
 692         void loading_message (const std::string& msg);
 693         void end_loading_messages ();
 694
 695         void toggle_translations ();
 696
 697         PBD::ScopedConnectionList forever_connections;
 698
 699         void step_edit_status_change (bool);
 700
 701         /* these are used only in response to a platform-specific "ShouldQuit" signal
 702          */
 703         bool idle_finish ();
 704         void queue_finish ();
 705
 706         std::list<WindowProxyBase*> _window_proxies;
 707
 708         int missing_file (ARDOUR::Session*s, std::string str, ARDOUR::DataType type);
 709         int ambiguous_file (std::string file, std::string path, std::vector<std::string> hits);
 710
 711         bool click_button_clicked (GdkEventButton *);
 712 };
 713
 714 #endif /* __ardour_gui_h__ */
 715