gtk2_ardour/editor.h

   1 /*
   2     Copyright (C) 2000-2003 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_editor_h__
  21 #define __ardour_editor_h__
  22
  23 #include <list>
  24 #include <map>
  25 #include <set>
  26 #include <string>
  27 #include <sys/time.h>
  28 #include <glibmm/ustring.h>
  29
  30 #include <boost/optional.hpp>
  31
  32 #include <libgnomecanvasmm/canvas.h>
  33 #include <libgnomecanvasmm/group.h>
  34 #include <libgnomecanvasmm/line.h>
  35 #include <libgnomecanvasmm/pixbuf.h>
  36
  37 #include <cmath>
  38
  39 #include <gtkmm/layout.h>
  40 #include <gtkmm/comboboxtext.h>
  41
  42 #include <gtkmm2ext/selector.h>
  43 #include <gtkmm2ext/click_box.h>
  44 #include <gtkmm2ext/dndtreeview.h>
  45
  46 #include <pbd/stateful.h>
  47 #include <ardour/session.h>
  48 #include <ardour/tempo.h>
  49 #include <ardour/stretch.h>
  50 #include <ardour/location.h>
  51 #include <ardour/audioregion.h>
  52
  53 #include "audio_clock.h"
  54 #include "gtk-custom-ruler.h"
  55 #include "ardour_dialog.h"
  56 #include "public_editor.h"
  57 #include "editing.h"
  58 #include "enums.h"
  59 #include "editor_items.h"
  60 #include "region_selection.h"
  61 #include "canvas.h"
  62 #include "time_axis_view.h"
  63 #include "draginfo.h"
  64
  65 namespace Gtkmm2ext {
  66         class TearOff;
  67 }
  68
  69 namespace ARDOUR {
  70         class AudioDiskstream;
  71         class RouteGroup;
  72         class Playlist;
  73         class AudioPlaylist;
  74         class Region;
  75         class Location;
  76         class TempoSection;
  77         class NamedSelection;
  78         class Session;
  79         class AudioFilter;
  80         class Crossfade;
  81 }
  82
  83 namespace LADSPA {
  84         class Plugin;
  85 }
  86
  87 class TimeAxisView;
  88 class RouteTimeAxisView;
  89 class AudioTimeAxisView;
  90 class AutomationTimeAxisView;
  91 class AudioRegionView;
  92 class CrossfadeView;
  93 class PluginSelector;
  94 class PlaylistSelector;
  95 class Marker;
  96 class GroupedButtons;
  97 class AutomationLine;
  98 class UIExportSpecification;
  99 class ExportDialog;
 100 class Selection;
 101 class TempoLines;
 102 class TimeSelection;
 103 class TrackSelection;
 104 class AutomationSelection;
 105 class MixerStrip;
 106 class StreamView;
 107 class AudioStreamView;
 108 class ControlPoint;
 109 class SoundFileOmega;
 110 class RhythmFerret;
 111 #ifdef FFT_ANALYSIS
 112 class AnalysisWindow;
 113 #endif
 114
 115 /* <CMT Additions> */
 116 class ImageFrameView;
 117 class ImageFrameTimeAxisView;
 118 class ImageFrameTimeAxis;
 119 class MarkerTimeAxis ;
 120 class MarkerView ;
 121 class ImageFrameSocketHandler ;
 122 class TimeAxisViewItem ;
 123 /* </CMT Additions> */
 124
 125
 126 class Editor : public PublicEditor
 127 {
 128   public:
 129         Editor ();
 130         ~Editor ();
 131
 132         void             connect_to_session (ARDOUR::Session *);
 133         ARDOUR::Session* current_session() const { return session; }
 134         void             first_idle ();
 135         virtual bool have_idled() const { return _have_idled; }
 136
 137         nframes64_t leftmost_position() const { return leftmost_frame; }
 138         nframes64_t current_page_frames() const {
 139                 return (nframes64_t) floor (canvas_width * frames_per_unit);
 140         }
 141
 142         void cycle_snap_mode ();
 143         void cycle_snap_choice ();
 144         void set_snap_to (Editing::SnapType);
 145         void set_snap_mode (Editing::SnapMode);
 146         void set_snap_threshold (double pixel_distance) {snap_threshold = pixel_distance;}
 147
 148         void undo (uint32_t n = 1);
 149         void redo (uint32_t n = 1);
 150
 151         XMLNode& get_state ();
 152         int set_state (const XMLNode& );
 153
 154         void set_mouse_mode (Editing::MouseMode, bool force=true);
 155         void step_mouse_mode (bool next);
 156         Editing::MouseMode current_mouse_mode () { return mouse_mode; }
 157
 158         void add_imageframe_time_axis(const std::string & track_name, void*) ;
 159         void add_imageframe_marker_time_axis(const std::string & track_name, TimeAxisView* marked_track, void*) ;
 160         void connect_to_image_compositor() ;
 161         void scroll_timeaxis_to_imageframe_item(const TimeAxisViewItem* item) ;
 162         TimeAxisView* get_named_time_axis(const std::string & name) ;
 163         void foreach_time_axis_view (sigc::slot<void,TimeAxisView&>);
 164         void add_to_idle_resize (TimeAxisView*, uint32_t);
 165
 166         void consider_auditioning (boost::shared_ptr<ARDOUR::Region>);
 167         void hide_a_region (boost::shared_ptr<ARDOUR::Region>);
 168         void remove_a_region (boost::shared_ptr<ARDOUR::Region>);
 169
 170 #ifdef USE_RUBBERBAND
 171         std::vector<std::string> rb_opt_strings;
 172 #endif
 173
 174         /* option editor-access */
 175
 176         void set_show_waveforms (bool yn);
 177         bool show_waveforms() const { return _show_waveforms; }
 178
 179         void set_waveform_scale (Editing::WaveformScale);
 180
 181         void set_show_waveforms_recording (bool yn);
 182         bool show_waveforms_recording() const { return _show_waveforms_recording; }
 183
 184         /* things that need to be public to be used in the main menubar */
 185
 186         void new_region_from_selection ();
 187         void separate_regions_between (const TimeSelection&);
 188         void separate_region_from_selection ();
 189         void separate_region_from_punch ();
 190         void separate_region_from_loop ();
 191         void separate_regions_using_location (ARDOUR::Location&);
 192         void toggle_playback (bool with_abort);
 193         void transition_to_rolling (bool forward);
 194
 195         /* undo related */
 196
 197         nframes64_t unit_to_frame (double unit) const {
 198                 return (nframes64_t) rint (unit * frames_per_unit);
 199         }
 200
 201         double frame_to_unit (nframes64_t frame) const {
 202                 return rint ((double) frame / (double) frames_per_unit);
 203         }
 204
 205         double frame_to_unit (double frame) const {
 206                 return rint (frame / frames_per_unit);
 207         }
 208
 209         /* NOTE: these functions assume that the "pixel" coordinate is
 210            the result of using the world->canvas affine transform on a
 211            world coordinate. These coordinates already take into
 212            account any scrolling carried out by adjusting the
 213            xscroll_adjustment.
 214         */
 215
 216         nframes64_t pixel_to_frame (double pixel) const {
 217
 218                 /* pixel can be less than zero when motion events
 219                    are processed. since we've already run the world->canvas
 220                    affine, that means that the location *really* is "off
 221                    to the right" and thus really is "before the start".
 222                 */
 223
 224                 if (pixel >= 0) {
 225                         return (nframes64_t) rint (pixel * frames_per_unit * GNOME_CANVAS(track_canvas->gobj())->pixels_per_unit);
 226                 } else {
 227                         return 0;
 228                 }
 229         }
 230
 231         gulong frame_to_pixel (nframes64_t frame) const {
 232                 return (gulong) rint ((frame / (frames_per_unit *  GNOME_CANVAS(track_canvas->gobj())->pixels_per_unit)));
 233         }
 234
 235         void flush_canvas ();
 236
 237         /* selection */
 238
 239         Selection& get_selection() const { return *selection; }
 240         Selection& get_cut_buffer() const { return *cut_buffer; }
 241
 242         bool extend_selection_to_track (TimeAxisView&);
 243
 244         void play_selection ();
 245         void select_all_in_track (Selection::Operation op);
 246         void select_all (Selection::Operation op);
 247         void invert_selection_in_track ();
 248         void invert_selection ();
 249         void deselect_all ();
 250
 251         /* tempo */
 252
 253         void set_show_measures (bool yn);
 254         bool show_measures () const { return _show_measures; }
 255
 256 #ifdef FFT_ANALYSIS
 257         /* analysis window */
 258         void analyze_region_selection();
 259         void analyze_range_selection();
 260 #endif
 261
 262         /* export */
 263
 264         /* these initiate export ... */
 265
 266         void export_session();
 267         void export_selection();
 268
 269         void add_toplevel_controls (Gtk::Container&);
 270         Gtk::HBox& get_status_bar_packer()  { return status_bar_hpacker; }
 271
 272         void      set_zoom_focus (Editing::ZoomFocus);
 273         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
 274         double   get_current_zoom () const { return frames_per_unit; }
 275
 276         void temporal_zoom_step (bool coarser);
 277
 278         /* stuff that AudioTimeAxisView and related classes use */
 279
 280         PlaylistSelector& playlist_selector() const;
 281         void route_name_changed (TimeAxisView *);
 282         void clear_playlist (boost::shared_ptr<ARDOUR::Playlist>);
 283
 284         void new_playlists (TimeAxisView*);
 285         void copy_playlists (TimeAxisView*);
 286         void clear_playlists (TimeAxisView*);
 287
 288         TrackViewList* get_valid_views (TimeAxisView*, ARDOUR::RouteGroup* grp = 0);
 289
 290         Width editor_mixer_strip_width;
 291         void maybe_add_mixer_strip_width (XMLNode&);
 292         void show_editor_mixer (bool yn);
 293         void create_editor_mixer ();
 294         void set_selected_mixer_strip (TimeAxisView&);
 295         void hide_track_in_display (TimeAxisView& tv, bool temporary = false);
 296         void show_track_in_display (TimeAxisView& tv);
 297
 298         /* nudge is initiated by transport controls owned by ARDOUR_UI */
 299
 300         void nudge_forward (bool next, bool force_playhead);
 301         void nudge_backward (bool next, bool force_playhead);
 302
 303         /* nudge initiated from context menu */
 304
 305         void nudge_forward_capture_offset ();
 306         void nudge_backward_capture_offset ();
 307
 308         /* playhead/screen stuff */
 309
 310         void set_follow_playhead (bool yn);
 311         void toggle_follow_playhead ();
 312         bool follow_playhead() const { return _follow_playhead; }
 313         bool dragging_playhead () const { return _dragging_playhead; }
 314
 315         void toggle_waveform_visibility ();
 316         void toggle_waveforms_while_recording ();
 317         void toggle_measure_visibility ();
 318         void toggle_logo_visibility ();
 319
 320         double get_physical_screen_width () const { return physical_screen_width; };
 321         double physical_screen_width;
 322         double physical_screen_height;
 323
 324         /* SMPTE timecode & video sync */
 325
 326         void smpte_fps_chosen (ARDOUR::SmpteFormat format);
 327         void video_pullup_chosen (ARDOUR::Session::PullupFormat pullup);
 328         void subframes_per_frame_chosen (uint32_t);
 329
 330         void update_smpte_mode();
 331         void update_video_pullup();
 332         void update_subframes_per_frame ();
 333
 334         /* fades & xfades */
 335
 336         void toggle_region_fades ();
 337         void toggle_region_fades_visible ();
 338         void toggle_selected_region_fades (int dir);
 339         void update_region_fade_visibility ();
 340
 341         void toggle_auto_xfade ();
 342         void toggle_xfades_active ();
 343         void toggle_xfade_visibility ();
 344         bool xfade_visibility() const { return _xfade_visibility; }
 345         void update_xfade_visibility ();
 346         void update_crossfade_model ();
 347         void set_crossfade_model (ARDOUR::CrossfadeModel);
 348
 349         /* layers */
 350         void set_layer_model (ARDOUR::LayerModel);
 351         void update_layering_model ();
 352
 353         void toggle_link_region_and_track_selection ();
 354
 355         /* redirect shared ops menu. caller must free returned menu */
 356
 357         Gtk::Menu* redirect_menu ();
 358
 359         /* floating windows/transient */
 360
 361         void ensure_float (Gtk::Window&);
 362
 363         void show_window ();
 364
 365         void scroll_tracks_down_line ();
 366         void scroll_tracks_up_line ();
 367
 368         void move_selected_tracks (bool up);
 369
 370         bool new_regionviews_display_gain () { return _new_regionviews_show_envelope; }
 371         void prepare_for_cleanup ();
 372         void finish_cleanup ();
 373
 374         void maximise_editing_space();
 375         void restore_editing_space();
 376
 377         void reset_x_origin (nframes64_t);
 378         void reset_zoom (double);
 379         void reposition_and_zoom (nframes64_t, double);
 380
 381         nframes64_t get_preferred_edit_position (bool ignore_playhead = false);
 382
 383         bool update_mouse_speed ();
 384         bool decelerate_mouse_speed ();
 385
 386         void toggle_meter_updating();
 387
 388         void show_rhythm_ferret();
 389
 390         void goto_visual_state (uint32_t);
 391         void save_visual_state (uint32_t);
 392
 393         void queue_draw_resize_line (int at);
 394         void start_resize_line_ops ();
 395         void end_resize_line_ops ();
 396
 397   protected:
 398         void map_transport_state ();
 399         void map_position_change (nframes64_t);
 400
 401         void on_realize();
 402         bool on_expose_event (GdkEventExpose*);
 403
 404   private:
 405
 406         ARDOUR::Session     *session;
 407         bool                 constructed;
 408
 409         // to keep track of the playhead position for control_scroll
 410         boost::optional<nframes64_t> _control_scroll_target;
 411
 412         PlaylistSelector* _playlist_selector;
 413
 414         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
 415
 416         struct VisualState {
 417             double              y_position;
 418             double              frames_per_unit;
 419             nframes64_t         leftmost_frame;
 420             Editing::ZoomFocus  zoom_focus;
 421             bool                zoomed_to_region;
 422             std::list<TAVState> track_states;
 423         };
 424
 425         std::list<VisualState*> undo_visual_stack;
 426         std::list<VisualState*> redo_visual_stack;
 427         VisualState* current_visual_state (bool with_tracks = true);
 428         void undo_visual_state ();
 429         void redo_visual_state ();
 430         void use_visual_state (VisualState&);
 431         bool no_save_visual;
 432         void swap_visual_state ();
 433
 434         std::vector<VisualState*> visual_states;
 435         sigc::connection visual_state_op_connection;
 436         void start_visual_state_op (uint32_t n);
 437         void cancel_visual_state_op (uint32_t n);
 438         bool end_visual_state_op (uint32_t n);
 439
 440         nframes64_t leftmost_frame;
 441         double      frames_per_unit;
 442         Editing::ZoomFocus zoom_focus;
 443
 444         void set_frames_per_unit (double);
 445         void post_zoom ();
 446
 447         Editing::MouseMode mouse_mode;
 448
 449         int  post_maximal_editor_width;
 450         int  post_maximal_pane_position;
 451         int  pre_maximal_pane_position;
 452         int  pre_maximal_editor_width;
 453         void pane_allocation_handler (Gtk::Allocation&, Gtk::Paned*);
 454
 455         Gtk::Notebook the_notebook;
 456         Gtk::HPaned   edit_pane;
 457
 458         Gtk::EventBox meter_base;
 459         Gtk::HBox     meter_box;
 460         Gtk::EventBox marker_base;
 461         Gtk::HBox     marker_box;
 462         Gtk::VBox     scrollers_rulers_markers_box;
 463
 464         void location_changed (ARDOUR::Location *);
 465         void location_flags_changed (ARDOUR::Location *, void *);
 466         void refresh_location_display ();
 467         void refresh_location_display_s (ARDOUR::Change);
 468         void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
 469         void add_new_location (ARDOUR::Location *);
 470         void location_gone (ARDOUR::Location *);
 471         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
 472         gint really_remove_marker (ARDOUR::Location* loc);
 473         void goto_nth_marker (int nth);
 474
 475         uint32_t location_marker_color;
 476         uint32_t location_range_color;
 477         uint32_t location_loop_color;
 478         uint32_t location_punch_color;
 479         uint32_t location_cd_marker_color;
 480
 481         struct LocationMarkers {
 482             Marker* start;
 483             Marker* end;
 484             bool    valid;
 485
 486             LocationMarkers () : start(0), end(0), valid (true) {}
 487
 488             ~LocationMarkers ();
 489
 490             void hide();
 491             void show ();
 492             void set_name (const string&);
 493             void set_position (nframes64_t start, nframes64_t end = 0);
 494             void set_color_rgba (uint32_t);
 495         };
 496
 497         LocationMarkers  *find_location_markers (ARDOUR::Location *) const;
 498         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start) const;
 499         Marker* entered_marker;
 500
 501         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
 502         LocationMarkerMap location_markers;
 503
 504         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
 505         void clear_marker_display ();
 506         void mouse_add_new_marker (nframes64_t where, bool is_cd=false, bool is_xrun=false);
 507         bool choose_new_marker_name(string &name);
 508         void update_cd_marker_display ();
 509         void ensure_cd_marker_updated (LocationMarkers * lam, ARDOUR::Location * location);
 510
 511         TimeAxisView*      clicked_trackview;
 512         AudioTimeAxisView* clicked_audio_trackview;
 513         RegionView*        clicked_regionview;
 514         RegionSelection    latest_regionviews;
 515         uint32_t           clicked_selection;
 516         CrossfadeView*     clicked_crossfadeview;
 517         ControlPoint*      clicked_control_point;
 518
 519         void sort_track_selection (TrackSelection* sel = 0);
 520
 521         void get_relevant_audio_tracks (std::set<AudioTimeAxisView*>& relevant_tracks);
 522         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*>&);
 523         void mapover_audio_tracks (sigc::slot<void,AudioTimeAxisView&,uint32_t> sl, TimeAxisView*);
 524
 525         /* functions to be passed to mapover_audio_tracks(), possibly with sigc::bind()-supplied arguments */
 526
 527         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView*, vector<RegionView*>*);
 528         void mapped_use_new_playlist (AudioTimeAxisView&, uint32_t, vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 529         void mapped_use_copy_playlist (AudioTimeAxisView&, uint32_t, vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 530         void mapped_clear_playlist (AudioTimeAxisView&, uint32_t);
 531
 532         /* end */
 533
 534         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
 535         bool button_release_can_deselect;
 536
 537         void catch_vanishing_regionview (RegionView *);
 538
 539         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
 540         void select_all_tracks ();
 541
 542         bool set_selected_control_point_from_click (Selection::Operation op = Selection::Set, bool no_remove=false);
 543         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
 544         void set_selected_track_as_side_effect (bool force = false);
 545         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set, bool no_track_remove=false);
 546
 547         void set_selected_regionview_from_region_list (boost::shared_ptr<ARDOUR::Region> region, Selection::Operation op = Selection::Set);
 548         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
 549         void collect_new_region_view (RegionView *);
 550
 551         Gtk::Menu track_context_menu;
 552         Gtk::Menu track_region_context_menu;
 553         Gtk::Menu track_selection_context_menu;
 554         Gtk::Menu track_crossfade_context_menu;
 555
 556         Gtk::MenuItem* region_edit_menu_split_item;
 557         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
 558         Gtk::Menu * track_region_edit_playlist_menu;
 559         Gtk::Menu * track_edit_playlist_submenu;
 560         Gtk::Menu * track_selection_edit_playlist_submenu;
 561
 562         void popup_track_context_menu (int, int, ItemType, bool, nframes64_t);
 563         Gtk::Menu* build_track_context_menu (nframes64_t);
 564         Gtk::Menu* build_track_bus_context_menu (nframes64_t);
 565         Gtk::Menu* build_track_region_context_menu (nframes64_t frame);
 566         Gtk::Menu* build_track_crossfade_context_menu (nframes64_t);
 567         Gtk::Menu* build_track_selection_context_menu (nframes64_t);
 568         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 569         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 570         void add_region_context_items (AudioStreamView*, boost::shared_ptr<ARDOUR::Region>, Gtk::Menu_Helpers::MenuList&);
 571         void add_crossfade_context_items (AudioStreamView*, boost::shared_ptr<ARDOUR::Crossfade>, Gtk::Menu_Helpers::MenuList&, bool many);
 572         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 573
 574         void handle_new_route (ARDOUR::Session::RouteList&);
 575         void remove_route (TimeAxisView *);
 576         bool route_removal;
 577
 578         Gtk::HBox           global_hpacker;
 579         Gtk::VBox           global_vpacker;
 580         Gtk::VBox           vpacker;
 581
 582         bool need_resize_line;
 583         int  resize_line_y;
 584         int  old_resize_line_y;
 585
 586         Gdk::Cursor*          current_canvas_cursor;
 587         void set_canvas_cursor ();
 588         Gdk::Cursor* which_grabber_cursor ();
 589
 590         ArdourCanvas::Canvas* track_canvas;
 591
 592         ArdourCanvas::Text* first_action_message;
 593         ArdourCanvas::Text* verbose_canvas_cursor;
 594         bool                 verbose_cursor_visible;
 595
 596         void parameter_changed (const char *);
 597
 598         bool track_canvas_motion (GdkEvent*);
 599
 600         void set_verbose_canvas_cursor (const string &, double x, double y);
 601         void set_verbose_canvas_cursor_text (const string &);
 602         void show_verbose_canvas_cursor();
 603         void hide_verbose_canvas_cursor();
 604
 605         bool verbose_cursor_on; // so far unused
 606
 607         Gtk::EventBox      time_canvas_event_box;
 608         Gtk::EventBox      track_canvas_event_box;
 609         Gtk::EventBox      time_button_event_box;
 610         Gtk::EventBox      ruler_label_event_box;
 611
 612         ArdourCanvas::Pixbuf*     logo_item;
 613         ArdourCanvas::Group*      minsec_group;
 614         ArdourCanvas::Group*      bbt_group;
 615         ArdourCanvas::Group*      smpte_group;
 616         ArdourCanvas::Group*      frame_group;
 617         ArdourCanvas::Group*      tempo_group;
 618         ArdourCanvas::Group*      meter_group;
 619         ArdourCanvas::Group*      marker_group;
 620         ArdourCanvas::Group*      range_marker_group;
 621         ArdourCanvas::Group*      transport_marker_group;
 622         ArdourCanvas::Group*      cd_marker_group;
 623
 624         ArdourCanvas::Group*      timebar_group;
 625
 626         /* These bars never need to be scrolled */
 627         ArdourCanvas::Group*      meter_bar_group;
 628         ArdourCanvas::Group*      tempo_bar_group;
 629         ArdourCanvas::Group*      marker_bar_group;
 630         ArdourCanvas::Group*      range_marker_bar_group;
 631         ArdourCanvas::Group*      transport_marker_bar_group;
 632         ArdourCanvas::Group*      cd_marker_bar_group;
 633
 634         ArdourCanvas::Group* _background_group;
 635         /*
 636            The _master_group is the group containing all items
 637            that require horizontal scrolling..
 638            It is primarily used to separate canvas items
 639            that require horizontal scrolling from those that do not.
 640         */
 641         ArdourCanvas::Group* _master_group;
 642         /*
 643            The _trackview_group is the group containing all trackviews.
 644            It is only scrolled vertically.
 645         */
 646         ArdourCanvas::Group* _trackview_group;
 647         /*
 648            This canvas group is used for region motion.
 649            It sits on top of the _trackview_group
 650         */
 651         ArdourCanvas::Group* _region_motion_group;
 652
 653         enum RulerType {
 654                 ruler_metric_smpte = 0,
 655                 ruler_metric_bbt = 1,
 656                 ruler_metric_frames = 2,
 657                 ruler_metric_minsec = 3,
 658
 659                 ruler_time_tempo = 4,
 660                 ruler_time_meter = 5,
 661                 ruler_time_marker = 6,
 662                 ruler_time_range_marker = 7,
 663                 ruler_time_transport_marker = 8,
 664                 ruler_time_cd_marker = 9,
 665         };
 666
 667         static GtkCustomMetric ruler_metrics[4];
 668         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
 669         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
 670         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
 671         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
 672         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
 673         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
 674         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
 675         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
 676         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
 677         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
 678         bool                   no_ruler_shown_update;
 679
 680         gint ruler_button_press (GdkEventButton*);
 681         gint ruler_button_release (GdkEventButton*);
 682         gint ruler_mouse_motion (GdkEventMotion*);
 683         bool ruler_scroll (GdkEventScroll* event);
 684
 685         gint ruler_pressed_button;
 686         Gtk::Widget * ruler_grabbed_widget;
 687
 688         void initialize_rulers ();
 689         void update_just_smpte ();
 690         void update_fixed_rulers ();
 691         void update_tempo_based_rulers ();
 692         void popup_ruler_menu (nframes64_t where = 0, ItemType type = RegionItem);
 693         void update_ruler_visibility ();
 694         void set_ruler_visible (RulerType, bool);
 695         void toggle_ruler_visibility (RulerType rt);
 696         void ruler_toggled (int);
 697         gint ruler_label_button_release (GdkEventButton*);
 698         void store_ruler_visibility ();
 699         void restore_ruler_visibility ();
 700
 701         static gint _metric_get_smpte (GtkCustomRulerMark **, gdouble, gdouble, gint);
 702         static gint _metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
 703         static gint _metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
 704         static gint _metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
 705
 706         gint metric_get_smpte (GtkCustomRulerMark **, gdouble, gdouble, gint);
 707         gint metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
 708         gint metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
 709         gint metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
 710
 711         Gtk::Widget        *_ruler_separator;
 712         GtkWidget          *_smpte_ruler;
 713         GtkWidget          *_bbt_ruler;
 714         GtkWidget          *_frames_ruler;
 715         GtkWidget          *_minsec_ruler;
 716         Gtk::Widget        *smpte_ruler;
 717         Gtk::Widget        *bbt_ruler;
 718         Gtk::Widget        *frames_ruler;
 719         Gtk::Widget        *minsec_ruler;
 720         static Editor      *ruler_editor;
 721
 722         static const double timebar_height;
 723         guint32 visible_timebars;
 724         gdouble canvas_timebars_vsize;
 725         gdouble get_canvas_timebars_vsize () const { return canvas_timebars_vsize; }
 726         Gtk::Menu          *editor_ruler_menu;
 727
 728         ArdourCanvas::SimpleRect* tempo_bar;
 729         ArdourCanvas::SimpleRect* meter_bar;
 730         ArdourCanvas::SimpleRect* marker_bar;
 731         ArdourCanvas::SimpleRect* range_marker_bar;
 732         ArdourCanvas::SimpleRect* transport_marker_bar;
 733         ArdourCanvas::SimpleRect* cd_marker_bar;
 734
 735
 736         ArdourCanvas::SimpleLine* tempo_line;
 737         ArdourCanvas::SimpleLine* meter_line;
 738         ArdourCanvas::SimpleLine* marker_line;
 739         ArdourCanvas::SimpleLine* range_marker_line;
 740         ArdourCanvas::SimpleLine* transport_marker_line;
 741         ArdourCanvas::SimpleLine* cd_marker_line;
 742
 743         Gtk::Label  minsec_label;
 744         Gtk::Label  bbt_label;
 745         Gtk::Label  smpte_label;
 746         Gtk::Label  frame_label;
 747         Gtk::Label  tempo_label;
 748         Gtk::Label  meter_label;
 749         Gtk::Label  mark_label;
 750         Gtk::Label  range_mark_label;
 751         Gtk::Label  transport_mark_label;
 752         Gtk::Label  cd_mark_label;
 753
 754
 755         Gtk::VBox          time_button_vbox;
 756         Gtk::HBox          time_button_hbox;
 757
 758         struct Cursor {
 759             Editor&               editor;
 760             ArdourCanvas::Points  points;
 761             ArdourCanvas::Line    canvas_item;
 762             nframes64_t           current_frame;
 763             double                length;
 764
 765             Cursor (Editor&, bool (Editor::*)(GdkEvent*,ArdourCanvas::Item*));
 766             ~Cursor ();
 767
 768             void set_position (nframes64_t);
 769             void set_length (double units);
 770             void set_y_axis (double position);
 771         };
 772
 773         friend struct Cursor; /* it needs access to several private
 774                                  fields. XXX fix me.
 775                               */
 776
 777         Cursor* playhead_cursor;
 778         ArdourCanvas::Group* cursor_group;
 779
 780         void    cursor_to_region_boundary (Cursor*, int32_t dir);
 781         void    cursor_to_next_region_boundary (Cursor*);
 782         void    cursor_to_previous_region_boundary (Cursor*);
 783         void    cursor_to_next_region_point (Cursor*, ARDOUR::RegionPoint);
 784         void    cursor_to_previous_region_point (Cursor*, ARDOUR::RegionPoint);
 785         void    cursor_to_region_point (Cursor*, ARDOUR::RegionPoint, int32_t dir);
 786         void    cursor_to_selection_start (Cursor *);
 787         void    cursor_to_selection_end   (Cursor *);
 788
 789         void    selected_marker_to_region_boundary (int32_t dir);
 790         void    selected_marker_to_next_region_boundary ();
 791         void    selected_marker_to_previous_region_boundary ();
 792         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
 793         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
 794         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
 795         void    selected_marker_to_selection_start ();
 796         void    selected_marker_to_selection_end   ();
 797
 798         void    select_all_selectables_using_cursor (Cursor *, bool);
 799         void    select_all_selectables_using_edit (bool);
 800         void    select_all_selectables_between (bool within);
 801         void    select_range_between ();
 802
 803         boost::shared_ptr<ARDOUR::Region> find_next_region (nframes64_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
 804         nframes64_t find_next_region_boundary (nframes64_t, int32_t dir, const TrackViewList&);
 805
 806         vector<nframes64_t> region_boundary_cache;
 807         void build_region_boundary_cache ();
 808
 809         Gtk::HBox           top_hbox;
 810         Gtk::HBox           bottom_hbox;
 811
 812         Gtk::Table          edit_packer;
 813         Gtk::VScrollbar     edit_vscrollbar;
 814
 815         Gtk::Adjustment     vertical_adjustment;
 816         Gtk::Adjustment     horizontal_adjustment;
 817
 818         Gtk::Layout         controls_layout;
 819         bool control_layout_scroll (GdkEventScroll* ev);
 820         void controls_layout_size_request (Gtk::Requisition*);
 821         sigc::connection controls_layout_size_request_connection;
 822
 823         Gtk::HScrollbar     edit_hscrollbar;
 824         bool                _dragging_hscrollbar;
 825
 826         void reset_hscrollbar_stepping ();
 827
 828         bool hscrollbar_button_press (GdkEventButton*);
 829         bool hscrollbar_button_release (GdkEventButton*);
 830         void hscrollbar_allocate (Gtk::Allocation &alloc);
 831
 832         double canvas_width;
 833         double canvas_height;
 834         double full_canvas_height;
 835
 836         bool track_canvas_map_handler (GdkEventAny*);
 837
 838         gint edit_controls_button_release (GdkEventButton*);
 839         Gtk::Menu *edit_controls_left_menu;
 840         Gtk::Menu *edit_controls_right_menu;
 841
 842         Gtk::VBox           ruler_label_vbox;
 843         Gtk::VBox           track_canvas_vbox;
 844         Gtk::VBox           time_canvas_vbox;
 845         Gtk::VBox           edit_controls_vbox;
 846         Gtk::HBox           edit_controls_hbox;
 847
 848         void control_scroll (float);
 849         void access_action (std::string,std::string);
 850         bool deferred_control_scroll (nframes64_t);
 851         sigc::connection control_scroll_connection;
 852
 853         gdouble get_trackview_group_vertical_offset () const { return vertical_adjustment.get_value () - canvas_timebars_vsize;}
 854
 855         ArdourCanvas::Group* get_background_group () const { return _background_group; }
 856         ArdourCanvas::Group* get_trackview_group () const { return _trackview_group; }
 857         double last_trackview_group_vertical_offset;
 858         void tie_vertical_scrolling ();
 859         void scroll_canvas_horizontally ();
 860         void scroll_canvas_vertically ();
 861         void canvas_horizontally_scrolled ();
 862         void canvas_scroll_to (nframes64_t);
 863
 864         struct VisualChange {
 865             enum Type {
 866                     TimeOrigin = 0x1,
 867                     ZoomLevel = 0x2
 868             };
 869
 870             Type pending;
 871             nframes64_t time_origin;
 872             double frames_per_unit;
 873
 874             int idle_handler_id;
 875
 876             VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), frames_per_unit (0), idle_handler_id (-1) {}
 877         };
 878
 879
 880         VisualChange pending_visual_change;
 881
 882         static int _idle_visual_changer (void *arg);
 883         int idle_visual_changer ();
 884
 885         void queue_visual_change (nframes64_t);
 886         void queue_visual_change (double);
 887
 888         void end_location_changed (ARDOUR::Location*);
 889
 890         struct RegionListDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
 891             RegionListDisplayModelColumns() {
 892                     add (name);
 893                     add (region);
 894                     add (color_);
 895             }
 896             Gtk::TreeModelColumn<Glib::ustring> name;
 897             Gtk::TreeModelColumn<boost::shared_ptr<ARDOUR::Region> > region;
 898             Gtk::TreeModelColumn<Gdk::Color> color_;
 899         };
 900
 901         RegionListDisplayModelColumns          region_list_columns;
 902         Gtkmm2ext::DnDTreeView<boost::shared_ptr<ARDOUR::Region> > region_list_display;
 903
 904         Glib::RefPtr<Gtk::TreeStore>           region_list_model;
 905         Glib::RefPtr<Gtk::ToggleAction>        toggle_full_region_list_action;
 906         Glib::RefPtr<Gtk::ToggleAction>        toggle_show_auto_regions_action;
 907
 908         void region_list_selection_changed ();
 909         bool region_list_selection_filter (const Glib::RefPtr<Gtk::TreeModel>& model, const Gtk::TreeModel::Path& path, bool yn);
 910         void region_name_edit (const Glib::ustring&, const Glib::ustring&);
 911         void get_regions_corresponding_to (boost::shared_ptr<ARDOUR::Region> region, std::vector<RegionView*>& regions);
 912
 913         Gtk::Menu          *region_list_menu;
 914         Gtk::ScrolledWindow region_list_scroller;
 915         Gtk::Frame          region_list_frame;
 916
 917         bool region_list_display_key_press (GdkEventKey *);
 918         bool region_list_display_key_release (GdkEventKey *);
 919         bool region_list_display_button_press (GdkEventButton *);
 920         bool region_list_display_button_release (GdkEventButton *);
 921         void region_list_clear ();
 922         void region_list_selection_mapover (sigc::slot<void,boost::shared_ptr<ARDOUR::Region> >);
 923         void build_region_list_menu ();
 924         void show_region_list_display_context_menu (int button, int time);
 925
 926         bool show_automatic_regions_in_region_list;
 927         Editing::RegionListSortType region_list_sort_type;
 928
 929         void reset_region_list_sort_direction (bool);
 930         void reset_region_list_sort_type (Editing::RegionListSortType);
 931
 932         void toggle_full_region_list ();
 933         void toggle_show_auto_regions ();
 934
 935         int region_list_sorter (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
 936
 937         /* snapshots */
 938
 939         Gtk::ScrolledWindow      snapshot_display_scroller;
 940         struct SnapshotDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
 941             SnapshotDisplayModelColumns() {
 942                     add (visible_name);
 943                     add (real_name);
 944             }
 945             Gtk::TreeModelColumn<Glib::ustring> visible_name;
 946             Gtk::TreeModelColumn<Glib::ustring> real_name;
 947         };
 948
 949         SnapshotDisplayModelColumns snapshot_display_columns;
 950         Glib::RefPtr<Gtk::ListStore> snapshot_display_model;
 951         Gtk::TreeView snapshot_display;
 952         Gtk::Menu snapshot_context_menu;
 953
 954         bool snapshot_display_button_press (GdkEventButton*);
 955         void snapshot_display_selection_changed ();
 956         void redisplay_snapshots();
 957         void popup_snapshot_context_menu (int, int32_t, Glib::ustring);
 958
 959         /* named selections */
 960
 961         struct NamedSelectionDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
 962             NamedSelectionDisplayModelColumns() {
 963                     add (text);
 964                     add (selection);
 965             }
 966             Gtk::TreeModelColumn<Glib::ustring>  text;
 967             Gtk::TreeModelColumn<ARDOUR::NamedSelection*>    selection;
 968         };
 969
 970         NamedSelectionDisplayModelColumns named_selection_columns;
 971         Glib::RefPtr<Gtk::TreeStore>     named_selection_model;
 972
 973         Gtkmm2ext::DnDTreeView<ARDOUR::NamedSelection*> named_selection_display;
 974         Gtk::ScrolledWindow    named_selection_scroller;
 975
 976         void create_named_selection ();
 977         void paste_named_selection (float times);
 978         void remove_selected_named_selections ();
 979         void remove_snapshot (Glib::ustring);
 980         void rename_snapshot (Glib::ustring);
 981
 982         void handle_new_named_selection ();
 983         void add_named_selection_to_named_selection_display (ARDOUR::NamedSelection&);
 984         void redisplay_named_selections ();
 985
 986         bool named_selection_display_button_release (GdkEventButton *ev);
 987         bool named_selection_display_key_release (GdkEventKey *ev);
 988         void named_selection_display_selection_changed ();
 989
 990         /* track views */
 991         TrackViewList  track_views;
 992         TimeAxisView     *trackview_by_y_position (double ypos);
 993
 994         static Gdk::Cursor* cross_hair_cursor;
 995         static Gdk::Cursor* trimmer_cursor;
 996         static Gdk::Cursor* selector_cursor;
 997         static Gdk::Cursor* grabber_cursor;
 998         static Gdk::Cursor* grabber_edit_point_cursor;
 999         static Gdk::Cursor* zoom_cursor;
1000         static Gdk::Cursor* time_fx_cursor;
1001         static Gdk::Cursor* fader_cursor;
1002         static Gdk::Cursor* speaker_cursor;
1003         static Gdk::Cursor* wait_cursor;
1004         static Gdk::Cursor* timebar_cursor;
1005         static Gdk::Cursor* transparent_cursor;
1006
1007         static void build_cursors ();
1008
1009         sigc::connection scroll_connection;
1010         nframes64_t last_update_frame;
1011         void center_screen (nframes64_t);
1012         void center_screen_internal (nframes64_t, float);
1013
1014         void update_current_screen ();
1015
1016         void session_going_away ();
1017
1018         nframes64_t cut_buffer_start;
1019         nframes64_t cut_buffer_length;
1020
1021         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1022         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1023         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1024         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, ItemType, bool from_autoscroll = false);
1025         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1026         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1027
1028         /* KEYMAP HANDLING */
1029
1030         void register_actions ();
1031
1032         int ensure_cursor (nframes64_t* pos);
1033
1034         void handle_new_audio_region (boost::weak_ptr<ARDOUR::AudioRegion>);
1035         void handle_new_audio_regions (vector<boost::weak_ptr<ARDOUR::AudioRegion> >& );
1036         void handle_audio_region_removed (boost::weak_ptr<ARDOUR::AudioRegion>);
1037         void add_audio_region_to_region_display (boost::shared_ptr<ARDOUR::AudioRegion>);
1038         void add_audio_regions_to_region_display (std::vector<boost::weak_ptr<ARDOUR::AudioRegion> > & );
1039         void region_hidden (boost::shared_ptr<ARDOUR::Region>);
1040         void redisplay_regions ();
1041         bool no_region_list_redisplay;
1042         void insert_into_tmp_audio_regionlist(boost::shared_ptr<ARDOUR::AudioRegion>);
1043
1044         list<boost::shared_ptr<ARDOUR::AudioRegion> > tmp_audio_region_list;
1045
1046         void cut_copy (Editing::CutCopyOp);
1047         void cut_copy_points (Editing::CutCopyOp);
1048         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1049         void cut_copy_ranges (Editing::CutCopyOp);
1050
1051         void mouse_paste ();
1052         void paste_internal (nframes64_t position, float times);
1053
1054         /* EDITING OPERATIONS */
1055
1056         void reset_point_selection ();
1057         void toggle_region_mute ();
1058         void toggle_region_lock ();
1059         void toggle_region_opaque ();
1060         void toggle_record_enable ();
1061         void set_region_lock_style (ARDOUR::Region::PositionLockStyle);
1062         void raise_region ();
1063         void raise_region_to_top ();
1064         void lower_region ();
1065         void lower_region_to_bottom ();
1066         void split_region ();
1067         void split_region_at (nframes64_t);
1068         void split_regions_at (nframes64_t, RegionSelection&);
1069         void split_region_at_transients ();
1070         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret);
1071         void crop_region_to_selection ();
1072         void crop_region_to (nframes64_t start, nframes64_t end);
1073         void set_sync_point (nframes64_t, const RegionSelection&);
1074         void set_region_sync_from_edit_point ();
1075         void remove_region_sync();
1076         void align_selection (ARDOUR::RegionPoint, nframes64_t position, const RegionSelection&);
1077         void align_selection_relative (ARDOUR::RegionPoint point, nframes64_t position, const RegionSelection&);
1078         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, nframes64_t position);
1079         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, nframes64_t position);
1080         void remove_region ();
1081         void remove_clicked_region ();
1082         void edit_region ();
1083         void rename_region ();
1084         void duplicate_some_regions (RegionSelection&, float times);
1085         void duplicate_selection (float times);
1086         void region_fill_selection ();
1087
1088         void region_fill_track ();
1089         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1090         void audition_playlist_region_via_route (boost::shared_ptr<ARDOUR::Region>, ARDOUR::Route&);
1091         void split_multichannel_region();
1092         void reverse_region ();
1093         void normalize_region ();
1094         void denormalize_region ();
1095         void adjust_region_scale_amplitude (bool up);
1096
1097         void do_insert_time ();
1098         void insert_time (nframes64_t pos, nframes64_t distance, Editing::InsertTimeOption opt, bool ignore_music_glue, bool markers_too);
1099
1100         void tab_to_transient (bool forward);
1101
1102         void use_region_as_bar ();
1103         void use_range_as_bar ();
1104
1105         void define_one_bar (nframes64_t start, nframes64_t end);
1106
1107         void audition_region_from_region_list ();
1108         void hide_region_from_region_list ();
1109         void remove_region_from_region_list ();
1110
1111         void align (ARDOUR::RegionPoint);
1112         void align_relative (ARDOUR::RegionPoint);
1113         void naturalize ();
1114
1115         void reset_focus ();
1116
1117         void split ();
1118
1119         void cut ();
1120         void copy ();
1121         void paste (float times);
1122
1123         int  get_prefix (float&, bool&);
1124
1125         void keyboard_paste ();
1126         void keyboard_insert_region_list_selection ();
1127
1128         void region_from_selection ();
1129         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::AudioRegion> >&);
1130
1131         void play_from_start ();
1132         void play_from_edit_point ();
1133         void play_from_edit_point_and_return ();
1134         void play_selected_region ();
1135         void play_edit_range ();
1136         void loop_selected_region ();
1137         void play_location (ARDOUR::Location&);
1138         void loop_location (ARDOUR::Location&);
1139
1140         void temporal_zoom_selection ();
1141         void temporal_zoom_region (bool both_axes);
1142         void toggle_zoom_region (bool both_axes);
1143         bool zoomed_to_region;
1144         void temporal_zoom_session ();
1145         void temporal_zoom (gdouble scale);
1146         void temporal_zoom_by_frame (nframes64_t start, nframes64_t end, const string & op);
1147         void temporal_zoom_to_frame (bool coarser, nframes64_t frame);
1148
1149         void amplitude_zoom (gdouble scale);
1150         void amplitude_zoom_step (bool in);
1151
1152         void insert_region_list_drag (boost::shared_ptr<ARDOUR::AudioRegion>, int x, int y);
1153         void insert_region_list_selection (float times);
1154
1155         void add_external_audio_action (Editing::ImportMode);
1156         void external_audio_dialog ();
1157
1158         int  check_whether_and_how_to_import(string, bool all_or_nothing = true);
1159         bool check_multichannel_status (const std::vector<Glib::ustring>& paths);
1160
1161         SoundFileOmega* sfbrowser;
1162
1163         void bring_in_external_audio (Editing::ImportMode mode,  nframes64_t& pos);
1164
1165         bool  idle_drop_paths  (std::vector<Glib::ustring> paths, nframes64_t frame, double ypos);
1166         void  drop_paths_part_two  (const std::vector<Glib::ustring>& paths, nframes64_t frame, double ypos);
1167
1168         void do_import (vector<Glib::ustring> paths, Editing::ImportDisposition, Editing::ImportMode mode, ARDOUR::SrcQuality, nframes64_t&);
1169         void do_embed (vector<Glib::ustring> paths, Editing::ImportDisposition, Editing::ImportMode mode,  nframes64_t&);
1170
1171         int  import_sndfiles (vector<Glib::ustring> paths, Editing::ImportMode mode,  ARDOUR::SrcQuality, nframes64_t& pos,
1172                               int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::AudioTrack>, bool, uint32_t total);
1173         int  embed_sndfiles (vector<Glib::ustring> paths, bool multiple_files, bool& check_sample_rate, Editing::ImportMode mode,
1174                              nframes64_t& pos, int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::AudioTrack>);
1175
1176         int add_sources (vector<Glib::ustring> paths, ARDOUR::SourceList& sources, nframes64_t& pos, Editing::ImportMode,
1177                          int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::AudioTrack>&, bool add_channel_suffix);
1178         int finish_bringing_in_audio (boost::shared_ptr<ARDOUR::AudioRegion> region, uint32_t, uint32_t,  nframes64_t& pos, Editing::ImportMode mode,
1179                                       boost::shared_ptr<ARDOUR::AudioTrack>& existing_track);
1180
1181         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1182
1183         /* generic interthread progress window */
1184
1185         ArdourDialog* interthread_progress_window;
1186         Gtk::Label interthread_progress_label;
1187         Gtk::VBox interthread_progress_vbox;
1188         Gtk::ProgressBar interthread_progress_bar;
1189         Gtk::Button interthread_cancel_button;
1190         Gtk::Label interthread_cancel_label;
1191         sigc::connection  interthread_progress_connection;
1192         void interthread_cancel_clicked ();
1193         void build_interthread_progress_window ();
1194         ARDOUR::InterThreadInfo* current_interthread_info;
1195
1196 #ifdef FFT_ANALYSIS
1197         AnalysisWindow* analysis_window;
1198 #endif
1199
1200         /* import specific info */
1201
1202         struct EditorImportStatus : public ARDOUR::Session::import_status {
1203             Editing::ImportMode mode;
1204             nframes64_t pos;
1205             int target_tracks;
1206             int target_regions;
1207             boost::shared_ptr<ARDOUR::AudioTrack> track;
1208             bool replace;
1209         };
1210
1211         EditorImportStatus import_status;
1212         gint import_progress_timeout (void *);
1213         static void *_import_thread (void *);
1214         void* import_thread ();
1215         void finish_import ();
1216
1217         /* to support this ... */
1218
1219         void import_audio (bool as_tracks);
1220         void do_import (vector<Glib::ustring> paths, bool split, bool as_tracks);
1221
1222         void move_to_start ();
1223         void move_to_end ();
1224         void goto_frame ();
1225         void center_playhead ();
1226         void center_edit_point ();
1227         void edit_cursor_backward ();
1228         void edit_cursor_forward ();
1229         void playhead_forward_to_grid ();
1230         void playhead_backward_to_grid ();
1231         void playhead_backward ();
1232         void playhead_forward ();
1233         void scroll_playhead (bool forward);
1234         void scroll_backward (float pages=0.8f);
1235         void scroll_forward (float pages=0.8f);
1236         void scroll_tracks_down ();
1237         void scroll_tracks_up ();
1238         void delete_sample_forward ();
1239         void delete_sample_backward ();
1240         void delete_screen ();
1241         void search_backwards ();
1242         void search_forwards ();
1243         void set_mark ();
1244         void clear_markers ();
1245         void clear_ranges ();
1246         void clear_locations ();
1247         void unhide_markers ();
1248         void unhide_ranges ();
1249         void jump_forward_to_mark ();
1250         void jump_backward_to_mark ();
1251         void cursor_align (bool playhead_to_edit);
1252
1253         void remove_last_capture ();
1254         void select_all_selectables_using_time_selection ();
1255         void select_all_selectables_using_loop();
1256         void select_all_selectables_using_punch();
1257         void set_selection_from_range (ARDOUR::Location&);
1258         void set_selection_from_punch ();
1259         void set_selection_from_loop ();
1260         void set_selection_from_audio_region ();
1261
1262         void add_location_mark (nframes64_t where);
1263         void add_location_from_audio_region ();
1264         void add_location_from_selection ();
1265         void set_loop_from_selection (bool play);
1266         void set_punch_from_selection ();
1267         void set_punch_from_region ();
1268
1269         void set_loop_from_edit_range (bool play);
1270         void set_loop_from_region (bool play);
1271         void set_punch_from_edit_range ();
1272
1273         void set_loop_range (nframes64_t start, nframes64_t end, std::string cmd);
1274         void set_punch_range (nframes64_t start, nframes64_t end, std::string cmd);
1275
1276         void add_location_from_playhead_cursor ();
1277         bool select_new_marker;
1278
1279         void reverse_selection ();
1280         void edit_envelope ();
1281
1282         void start_scrolling ();
1283         void stop_scrolling ();
1284
1285         bool _scrubbing;
1286         double last_scrub_x;
1287         int scrubbing_direction;
1288         int scrub_reversals;
1289         int scrub_reverse_distance;
1290         void scrub ();
1291
1292         void keyboard_selection_begin ();
1293         void keyboard_selection_finish (bool add);
1294         bool have_pending_keyboard_selection;
1295         nframes64_t pending_keyboard_selection_start;
1296
1297         boost::shared_ptr<ARDOUR::Region> select_region_for_operation (int dir, TimeAxisView **tv);
1298         void extend_selection_to_end_of_region (bool next);
1299         void extend_selection_to_start_of_region (bool previous);
1300
1301         Editing::SnapType snap_type;
1302         Editing::SnapMode snap_mode;
1303         double snap_threshold;
1304
1305         void handle_gui_changes (const string &, void *);
1306         bool ignore_gui_changes;
1307
1308         void    hide_all_tracks (bool with_select);
1309
1310         DragInfo drag_info;
1311         LineDragInfo current_line_drag_info;
1312
1313         void start_grab (GdkEvent*, Gdk::Cursor* cursor = 0);
1314         bool end_grab (ArdourCanvas::Item*, GdkEvent*);
1315         void swap_grab (ArdourCanvas::Item*, Gdk::Cursor* cursor, uint32_t time);
1316         void break_drag ();
1317         void finalize_drag ();
1318
1319         Gtk::Menu fade_context_menu;
1320         void popup_fade_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1321
1322         void region_gain_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1323
1324         void start_fade_in_grab (ArdourCanvas::Item*, GdkEvent*);
1325         void start_fade_out_grab (ArdourCanvas::Item*, GdkEvent*);
1326         void fade_in_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1327         void fade_out_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1328         void fade_in_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1329         void fade_out_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1330
1331         void set_fade_in_shape (ARDOUR::AudioRegion::FadeShape);
1332         void set_fade_out_shape (ARDOUR::AudioRegion::FadeShape);
1333
1334         void set_fade_length (bool in);
1335         void toggle_fade_active (bool in);
1336         void set_fade_in_active (bool);
1337         void set_fade_out_active (bool);
1338
1339         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1340         RegionSelection pre_drag_region_selection;
1341         void region_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1342         void region_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1343         bool check_region_drag_possible (AudioTimeAxisView**);
1344         void possibly_copy_regions_during_grab (GdkEvent*);
1345         void region_drag_splice_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1346         void region_drag_splice_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1347
1348         bool _dragging_playhead;
1349         bool _dragging_edit_point;
1350
1351         void cursor_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1352         void cursor_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1353         void cursor_drag_finished_ensure_locate_callback (ArdourCanvas::Item*, GdkEvent*);
1354         void marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1355         void marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1356         void control_point_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1357         void control_point_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1358         void line_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1359         void line_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1360
1361         void tempo_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1362         void tempo_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1363         void meter_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1364         void meter_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1365
1366         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1367
1368         void start_region_grab (ArdourCanvas::Item*, GdkEvent*);
1369         void start_region_copy_grab (ArdourCanvas::Item*, GdkEvent*);
1370         void start_region_brush_grab (ArdourCanvas::Item*, GdkEvent*);
1371         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1372         void start_cursor_grab (ArdourCanvas::Item*, GdkEvent*);
1373         void start_cursor_grab_no_stop (ArdourCanvas::Item*, GdkEvent*);
1374         void start_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1375         void start_control_point_grab (ArdourCanvas::Item*, GdkEvent*);
1376         void start_line_grab_from_regionview (ArdourCanvas::Item*, GdkEvent*);
1377         void start_line_grab_from_line (ArdourCanvas::Item*, GdkEvent*);
1378         void start_line_grab (AutomationLine *, GdkEvent*);
1379         void start_tempo_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1380         void start_tempo_marker_copy_grab (ArdourCanvas::Item*, GdkEvent*);
1381         void start_meter_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1382         void start_meter_marker_copy_grab (ArdourCanvas::Item*, GdkEvent*);
1383
1384         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1385
1386         void remove_gain_control_point (ArdourCanvas::Item*, GdkEvent*);
1387         void remove_control_point (ArdourCanvas::Item*, GdkEvent*);
1388
1389         void mouse_brush_insert_region (RegionView*, nframes64_t pos);
1390         void brush (nframes64_t);
1391
1392         void show_verbose_time_cursor (nframes64_t frame, double offset = 0, double xpos=-1, double ypos=-1);
1393         void show_verbose_duration_cursor (nframes64_t start, nframes64_t end, double offset = 0, double xpos=-1, double ypos=-1);
1394         double clamp_verbose_cursor_x (double);
1395         double clamp_verbose_cursor_y (double);
1396
1397         /* Canvas event handlers */
1398
1399         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1400         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1401         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1402         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1403         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1404         bool canvas_crossfade_view_event (GdkEvent* event,ArdourCanvas::Item*, CrossfadeView*);
1405         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1406         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1407         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1408         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1409
1410
1411         // These variables are used to detect a feedback loop and break it to avoid a gui hang
1412 private:
1413         ArdourCanvas::Item *last_item_entered;
1414         int last_item_entered_n;
1415 public:
1416
1417         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1418         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1419         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1420         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1421         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*);
1422         bool canvas_zoom_rect_event (GdkEvent* event,ArdourCanvas::Item*);
1423         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1424         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1425         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) ;
1426
1427         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1428         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1429         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1430         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1431         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1432         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1433
1434         bool canvas_imageframe_item_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1435         bool canvas_imageframe_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameTimeAxis*);
1436         bool canvas_imageframe_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1437         bool canvas_imageframe_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1438         bool canvas_marker_time_axis_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerTimeAxis*);
1439         bool canvas_markerview_item_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1440         bool canvas_markerview_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1441         bool canvas_markerview_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1442
1443         /* non-public event handlers */
1444
1445         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1446         bool track_canvas_scroll (GdkEventScroll* event);
1447
1448         bool track_canvas_scroll_event (GdkEventScroll* event);
1449         bool track_canvas_button_press_event (GdkEventButton* event);
1450         bool track_canvas_button_release_event (GdkEventButton* event);
1451         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1452
1453         Gtk::Allocation canvas_allocation;
1454         void track_canvas_allocate (Gtk::Allocation alloc);
1455         bool track_canvas_size_allocated ();
1456
1457         void set_playhead_cursor ();
1458
1459         void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
1460         void kbd_mute_unmute_region ();
1461         void kbd_brush ();
1462
1463         void kbd_do_brush (GdkEvent*);
1464         void kbd_do_audition (GdkEvent*);
1465
1466         void handle_new_duration ();
1467         void initialize_canvas ();
1468
1469         /* display control */
1470
1471         bool _show_measures;
1472         bool _show_waveforms;
1473         bool _follow_playhead;
1474         bool _show_waveforms_recording;
1475
1476         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1477
1478         TempoLines* tempo_lines;
1479
1480         ArdourCanvas::Group* time_line_group;
1481         ArdourCanvas::SimpleLine* get_time_line ();
1482         void hide_measures ();
1483         void draw_measures ();
1484         bool redraw_measures ();
1485
1486         void new_tempo_section ();
1487
1488         void mouse_add_new_tempo_event (nframes64_t where);
1489         void mouse_add_new_meter_event (nframes64_t where);
1490
1491         void remove_tempo_marker (ArdourCanvas::Item*);
1492         void remove_meter_marker (ArdourCanvas::Item*);
1493         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1494         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1495
1496         void edit_tempo_section (ARDOUR::TempoSection*);
1497         void edit_meter_section (ARDOUR::MeterSection*);
1498         void edit_tempo_marker (ArdourCanvas::Item*);
1499         void edit_meter_marker (ArdourCanvas::Item*);
1500
1501         void marker_menu_edit ();
1502         void marker_menu_remove ();
1503         void marker_menu_rename ();
1504         void marker_menu_lock (bool yn);
1505         void marker_menu_hide ();
1506         void marker_menu_loop_range ();
1507         void marker_menu_select_all_selectables_using_range ();
1508         void marker_menu_select_using_range ();
1509         void marker_menu_separate_regions_using_location ();
1510         void marker_menu_play_from ();
1511         void marker_menu_play_range ();
1512         void marker_menu_set_playhead ();
1513         void marker_menu_set_from_playhead ();
1514         void marker_menu_set_from_selection ();
1515         void marker_menu_range_to_next ();
1516         void marker_menu_export_range ();
1517         void new_transport_marker_menu_set_loop ();
1518         void new_transport_marker_menu_set_punch ();
1519         void update_loop_range_view (bool visibility=false);
1520         void update_punch_range_view (bool visibility=false);
1521         void new_transport_marker_menu_popdown ();
1522         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1523         void tm_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1524         void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1525         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1526         void build_range_marker_menu (bool loop_or_punch);
1527         void build_marker_menu (bool start_or_end);
1528         void build_tm_marker_menu ();
1529         void build_new_transport_marker_menu ();
1530
1531         Gtk::Menu* tm_marker_menu;
1532         Gtk::Menu* marker_menu;
1533         Gtk::Menu* start_end_marker_menu;
1534         Gtk::Menu* range_marker_menu;
1535         Gtk::Menu* transport_marker_menu;
1536         Gtk::Menu* new_transport_marker_menu;
1537         Gtk::Menu* cd_marker_menu;
1538         ArdourCanvas::Item* marker_menu_item;
1539
1540         typedef list<Marker*> Marks;
1541         Marks metric_marks;
1542
1543         void remove_metric_marks ();
1544         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1545
1546         void compute_current_bbt_points (nframes_t left, nframes_t right);
1547         void tempo_map_changed (ARDOUR::Change);
1548         void redisplay_tempo (bool immediate_redraw);
1549
1550         void snap_to (nframes64_t& first, int32_t direction = 0, bool for_mark = false);
1551
1552         uint32_t bbt_beat_subdivision;
1553
1554         /* toolbar */
1555
1556         void editor_mixer_button_toggled ();
1557
1558         AudioClock               edit_point_clock;
1559         AudioClock               zoom_range_clock;
1560         Gtk::Button              zoom_in_button;
1561         Gtk::Button              zoom_out_button;
1562         Gtk::Button              zoom_out_full_button;
1563         Gtk::Button              zoom_onetoone_button;
1564
1565         Gtk::VBox                toolbar_clock_vbox;
1566         Gtk::VBox                toolbar_selection_clock_vbox;
1567         Gtk::Table               toolbar_selection_clock_table;
1568         Gtk::Label               toolbar_selection_cursor_label;
1569
1570         Gtk::HBox                mouse_mode_button_box;
1571         Gtkmm2ext::TearOff*      mouse_mode_tearoff;
1572         Gtk::ToggleButton        mouse_select_button;
1573         Gtk::ToggleButton        mouse_move_button;
1574         Gtk::ToggleButton        mouse_gain_button;
1575         Gtk::ToggleButton        mouse_zoom_button;
1576         Gtk::ToggleButton        mouse_timefx_button;
1577         Gtk::ToggleButton        mouse_audition_button;
1578         GroupedButtons          *mouse_mode_button_set;
1579         void                     mouse_mode_toggled (Editing::MouseMode m);
1580         bool                     ignore_mouse_mode_toggle;
1581
1582         gint                     mouse_select_button_release (GdkEventButton*);
1583
1584         Gtk::VBox                automation_box;
1585         Gtk::Button              automation_mode_button;
1586         Gtk::ToggleButton        global_automation_button;
1587
1588         Gtk::ComboBoxText edit_mode_selector;
1589         Gtk::VBox         edit_mode_box;
1590
1591         void set_edit_mode (ARDOUR::EditMode);
1592         void cycle_edit_mode ();
1593         void edit_mode_selection_done ();
1594
1595         Gtk::ComboBoxText snap_type_selector;
1596         Gtk::ComboBoxText snap_mode_selector;
1597         Gtk::HBox         snap_box;
1598
1599         std::vector<std::string> snap_type_strings;
1600         std::vector<std::string> snap_mode_strings;
1601
1602         void snap_type_selection_done ();
1603         void snap_mode_selection_done ();
1604         void snap_mode_chosen (Editing::SnapMode);
1605         void snap_type_chosen (Editing::SnapType);
1606
1607         Glib::RefPtr<Gtk::RadioAction> snap_type_action (Editing::SnapType);
1608         Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
1609
1610         Gtk::ComboBoxText zoom_focus_selector;
1611         Gtk::VBox         zoom_focus_box;
1612
1613         std::vector<std::string> zoom_focus_strings;
1614
1615         void zoom_focus_selection_done ();
1616         void zoom_focus_chosen (Editing::ZoomFocus);
1617
1618         Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
1619
1620         Gtk::HBox           zoom_box;
1621
1622         void                zoom_adjustment_changed();
1623
1624         void                edit_point_clock_changed();
1625
1626         void setup_toolbar ();
1627
1628         Gtkmm2ext::TearOff*       tools_tearoff;
1629         Gtk::HBox                toolbar_hbox;
1630         Gtk::EventBox            toolbar_base;
1631         Gtk::Frame               toolbar_frame;
1632
1633         /* selection process */
1634
1635         Selection* selection;
1636         Selection* cut_buffer;
1637
1638         void time_selection_changed ();
1639         void track_selection_changed ();
1640         void region_selection_changed ();
1641         void sensitize_the_right_region_actions (bool have_selected_regions);
1642         void point_selection_changed ();
1643         void marker_selection_changed ();
1644
1645         enum SelectionOp {
1646                 CreateSelection,
1647                 SelectionStartTrim,
1648                 SelectionEndTrim,
1649                 SelectionMove
1650         } selection_op;
1651
1652         void start_selection_op (ArdourCanvas::Item* item, GdkEvent* event, SelectionOp);
1653         void drag_selection (ArdourCanvas::Item* item, GdkEvent* event);
1654         void end_selection_op (ArdourCanvas::Item* item, GdkEvent* event);
1655         void cancel_selection ();
1656
1657         void region_selection_op (void (ARDOUR::Region::*pmf)(void));
1658         void region_selection_op (void (ARDOUR::Region::*pmf)(void*), void*);
1659         void region_selection_op (void (ARDOUR::Region::*pmf)(bool), bool);
1660
1661         bool audio_region_selection_covers (nframes64_t where);
1662
1663         /* transport range select process */
1664         enum RangeMarkerOp {
1665                 CreateRangeMarker,
1666                 CreateTransportMarker,
1667                 CreateCDMarker
1668         } range_marker_op;
1669
1670         void start_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event, RangeMarkerOp);
1671         void drag_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
1672         void end_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
1673
1674         ArdourCanvas::SimpleRect*  cd_marker_bar_drag_rect;
1675         ArdourCanvas::SimpleRect*  range_bar_drag_rect;
1676         ArdourCanvas::SimpleRect*  transport_bar_drag_rect;
1677         ArdourCanvas::Line*        marker_drag_line;
1678         ArdourCanvas::Points       marker_drag_line_points;
1679         ArdourCanvas::SimpleRect*  range_marker_drag_rect;
1680
1681         void update_marker_drag_item (ARDOUR::Location *);
1682 #ifdef GTKOSX
1683         ArdourCanvas::SimpleRect     *bogus_background_rect;
1684 #endif
1685         ArdourCanvas::SimpleRect     *transport_bar_range_rect;
1686         ArdourCanvas::SimpleRect     *transport_bar_preroll_rect;
1687         ArdourCanvas::SimpleRect     *transport_bar_postroll_rect;
1688         ArdourCanvas::SimpleRect     *transport_loop_range_rect;
1689         ArdourCanvas::SimpleRect     *transport_punch_range_rect;
1690         ArdourCanvas::SimpleLine     *transport_punchin_line;
1691         ArdourCanvas::SimpleLine     *transport_punchout_line;
1692         ArdourCanvas::SimpleRect     *transport_preroll_rect;
1693         ArdourCanvas::SimpleRect     *transport_postroll_rect;
1694
1695         ARDOUR::Location*  transport_loop_location();
1696         ARDOUR::Location*  transport_punch_location();
1697
1698         ARDOUR::Location   *temp_location;
1699
1700         /* object rubberband select process */
1701
1702         void start_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1703         void drag_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1704         void end_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1705
1706         bool select_all_within (nframes64_t start, nframes64_t end, gdouble topy, gdouble boty, const TrackViewList&, Selection::Operation op);
1707
1708         ArdourCanvas::SimpleRect   *rubberband_rect;
1709
1710         /* mouse zoom process */
1711
1712         void start_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1713         void drag_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1714         void end_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1715
1716         ArdourCanvas::SimpleRect   *zoom_rect;
1717         void reposition_zoom_rect (nframes64_t start, nframes64_t end);
1718
1719         /* diskstream/route display management */
1720
1721         struct RouteDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
1722             RouteDisplayModelColumns() {
1723                     add (text);
1724                     add (visible);
1725                     add (temporary_visible);
1726                     add (tv);
1727                     add (route);
1728             }
1729             Gtk::TreeModelColumn<Glib::ustring>  text;
1730             Gtk::TreeModelColumn<bool>           visible;
1731             Gtk::TreeModelColumn<bool>           temporary_visible;
1732             Gtk::TreeModelColumn<TimeAxisView*>  tv;
1733             Gtk::TreeModelColumn<boost::shared_ptr<ARDOUR::Route> >  route;
1734         };
1735
1736         RouteDisplayModelColumns         route_display_columns;
1737         Glib::RefPtr<Gtk::ListStore>     route_display_model;
1738         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1739
1740         Gtkmm2ext::DnDTreeView<boost::shared_ptr<ARDOUR::Route> > route_list_display;
1741         Gtk::ScrolledWindow                   route_list_scroller;
1742         Gtk::Menu*                            route_list_menu;
1743
1744         void update_route_visibility ();
1745
1746         void sync_order_keys (const char*);
1747         bool route_redisplay_does_not_sync_order_keys;
1748         bool route_redisplay_does_not_reset_order_keys;
1749
1750         bool route_list_display_button_press (GdkEventButton*);
1751         void route_list_display_drag_data_received  (const Glib::RefPtr<Gdk::DragContext>& context,
1752                                                      gint                x,
1753                                                      gint                y,
1754                                                      const Gtk::SelectionData& data,
1755                                                      guint               info,
1756                                                      guint               time);
1757
1758         bool route_list_selection_filter (const Glib::RefPtr<Gtk::TreeModel>& model, const Gtk::TreeModel::Path& path, bool yn);
1759
1760         void route_list_change (const Gtk::TreeModel::Path&,const Gtk::TreeModel::iterator&);
1761         void route_list_delete (const Gtk::TreeModel::Path&);
1762         void track_list_reorder (const Gtk::TreeModel::Path& path, const Gtk::TreeModel::iterator& iter, int* new_order);
1763
1764         void initial_route_list_display ();
1765         void redisplay_route_list();
1766         bool ignore_route_list_reorder;
1767         bool no_route_list_redisplay;
1768
1769         void build_route_list_menu ();
1770         void show_route_list_menu ();
1771
1772         void show_all_routes ();
1773         void hide_all_routes ();
1774         void show_all_audiotracks ();
1775         void hide_all_audiotracks ();
1776         void show_all_audiobus ();
1777         void hide_all_audiobus ();
1778
1779         void set_all_tracks_visibility (bool yn);
1780         void set_all_audio_visibility (int type, bool yn);
1781
1782         /* edit group management */
1783
1784         struct GroupListModelColumns : public Gtk::TreeModel::ColumnRecord {
1785                 GroupListModelColumns () {
1786                        add (is_active);
1787                        add (is_visible);
1788                        add (text);
1789                        add (routegroup);
1790                 }
1791                 Gtk::TreeModelColumn<bool> is_active;
1792                 Gtk::TreeModelColumn<bool> is_visible;
1793                 Gtk::TreeModelColumn<std::string> text;
1794                 Gtk::TreeModelColumn<ARDOUR::RouteGroup*>   routegroup;
1795         };
1796
1797         GroupListModelColumns group_columns;
1798         Glib::RefPtr<Gtk::ListStore> group_model;
1799         Glib::RefPtr<Gtk::TreeSelection> group_selection;
1800
1801         Gtk::TreeView          edit_group_display;
1802         Gtk::ScrolledWindow    edit_group_display_scroller;
1803         Gtk::Menu*             edit_group_list_menu;
1804
1805         void build_edit_group_list_menu ();
1806         void activate_all_edit_groups ();
1807         void disable_all_edit_groups ();
1808
1809         bool in_edit_group_row_change;
1810         void edit_group_row_change (const Gtk::TreeModel::Path&,const Gtk::TreeModel::iterator&);
1811         void edit_group_name_edit (const Glib::ustring&, const Glib::ustring&);
1812         void new_edit_group ();
1813         void edit_group_list_button_clicked ();
1814         gint edit_group_list_button_press_event (GdkEventButton* ev);
1815         void add_edit_group (ARDOUR::RouteGroup* group);
1816         void remove_selected_edit_group ();
1817         void edit_groups_changed ();
1818         void group_flags_changed (void*, ARDOUR::RouteGroup*);
1819
1820         Gtk::VBox           list_vpacker;
1821
1822         /* autoscrolling */
1823
1824         bool autoscroll_active;
1825         int autoscroll_timeout_tag;
1826         int autoscroll_x;
1827         int autoscroll_y;
1828         int last_autoscroll_x;
1829         int last_autoscroll_y;
1830         uint32_t autoscroll_cnt;
1831         nframes64_t autoscroll_x_distance;
1832         double autoscroll_y_distance;
1833
1834         static gint _autoscroll_canvas (void *);
1835         bool autoscroll_canvas ();
1836         void start_canvas_autoscroll (int x, int y);
1837         void stop_canvas_autoscroll ();
1838         void maybe_autoscroll (GdkEventMotion*);
1839         void maybe_autoscroll_horizontally (GdkEventMotion*);
1840         bool allow_vertical_scroll;
1841
1842         /* trimming */
1843         enum TrimOp {
1844                 StartTrim,
1845                 EndTrim,
1846                 ContentsTrim,
1847         } trim_op;
1848
1849         void start_trim (ArdourCanvas::Item*, GdkEvent*);
1850         void point_trim (GdkEvent*);
1851         void trim_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1852         void single_contents_trim (RegionView&, nframes64_t, bool, bool, bool);
1853         void single_start_trim (RegionView&, nframes64_t, bool, bool);
1854         void single_end_trim (RegionView&, nframes64_t, bool, bool);
1855
1856         void trim_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1857         void thaw_region_after_trim (RegionView& rv);
1858
1859         void trim_region_front();
1860         void trim_region_back();
1861         void trim_region (bool front);
1862
1863         void trim_region_to_edit_point ();
1864         void trim_region_from_edit_point ();
1865         void trim_region_to_loop ();
1866         void trim_region_to_punch ();
1867         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1868
1869         bool show_gain_after_trim;
1870
1871         /* Drag-n-Drop */
1872
1873         int convert_drop_to_paths (std::vector<Glib::ustring>& paths,
1874                                    const Glib::RefPtr<Gdk::DragContext>& context,
1875                                    gint                x,
1876                                    gint                y,
1877                                    const Gtk::SelectionData& data,
1878                                    guint               info,
1879                                    guint               time);
1880
1881         void  track_canvas_drag_data_received  (const Glib::RefPtr<Gdk::DragContext>& context,
1882                                                 gint                x,
1883                                                 gint                y,
1884                                                 const Gtk::SelectionData& data,
1885                                                 guint               info,
1886                                                 guint               time);
1887
1888         void  region_list_display_drag_data_received  (const Glib::RefPtr<Gdk::DragContext>& context,
1889                                                        gint                x,
1890                                                        gint                y,
1891                                                        const Gtk::SelectionData& data,
1892                                                        guint               info,
1893                                                        guint               time);
1894
1895         void  drop_paths  (const Glib::RefPtr<Gdk::DragContext>& context,
1896                            gint                x,
1897                            gint                y,
1898                            const Gtk::SelectionData& data,
1899                            guint               info,
1900                            guint               time);
1901
1902         void  drop_regions  (const Glib::RefPtr<Gdk::DragContext>& context,
1903                              gint                x,
1904                              gint                y,
1905                              const Gtk::SelectionData& data,
1906                              guint               info,
1907                              guint               time);
1908
1909         /* audio export */
1910
1911         ExportDialog *export_dialog;
1912         ExportDialog *export_range_markers_dialog;
1913
1914         void export_range (nframes64_t start, nframes64_t end);
1915         void export_range_markers ();
1916
1917         int  write_region_selection(RegionSelection&);
1918         bool write_region (string path, boost::shared_ptr<ARDOUR::AudioRegion>);
1919         void export_region ();
1920         void bounce_region_selection ();
1921         void bounce_range_selection (bool replace);
1922         void external_edit_region ();
1923
1924         int write_audio_selection (TimeSelection&);
1925         bool write_audio_range (ARDOUR::AudioPlaylist&, uint32_t channels, list<ARDOUR::AudioRange>&);
1926
1927         void write_selection ();
1928
1929         /* history */
1930
1931         UndoAction get_memento() const;
1932
1933         XMLNode *before; /* used in *_reversible_command */
1934         void begin_reversible_command (string cmd_name);
1935         void commit_reversible_command ();
1936
1937         void update_title ();
1938         void update_title_s (const string & snapshot_name);
1939
1940         struct State {
1941             Selection* selection;
1942             double     frames_per_unit;
1943
1944             State();
1945             ~State();
1946         };
1947
1948         void store_state (State&) const;
1949         void restore_state (State *);
1950
1951         void instant_save ();
1952
1953         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
1954
1955         /* freeze operations */
1956
1957         ARDOUR::InterThreadInfo freeze_status;
1958         gint freeze_progress_timeout (void *);
1959         static void* _freeze_thread (void*);
1960         void* freeze_thread ();
1961
1962         void freeze_route ();
1963         void unfreeze_route ();
1964
1965         /* edit-group solo + mute */
1966
1967         void set_edit_group_solo (ARDOUR::Route&, bool);
1968         void set_edit_group_mute (ARDOUR::Route&, bool);
1969
1970         /* duplication */
1971
1972         void duplicate_dialog (bool with_dialog);
1973
1974         nframes64_t event_frame (GdkEvent*, double* px = 0, double* py = 0) const;
1975
1976         /* returns false if mouse pointer is not in track or marker canvas
1977          */
1978         bool mouse_frame (nframes64_t&, bool& in_track_canvas) const;
1979
1980         void time_fx_motion (ArdourCanvas::Item*, GdkEvent*);
1981         void start_time_fx (ArdourCanvas::Item*, GdkEvent*);
1982         void end_time_fx (ArdourCanvas::Item*, GdkEvent*);
1983
1984         struct TimeFXDialog : public ArdourDialog {
1985             ARDOUR::TimeFXRequest request;
1986             Editor&               editor;
1987             bool                  pitching;
1988             Gtk::Adjustment       pitch_octave_adjustment;
1989             Gtk::Adjustment       pitch_semitone_adjustment;
1990             Gtk::Adjustment       pitch_cent_adjustment;
1991             Gtk::SpinButton       pitch_octave_spinner;
1992             Gtk::SpinButton       pitch_semitone_spinner;
1993             Gtk::SpinButton       pitch_cent_spinner;
1994             RegionSelection       regions;
1995             Gtk::ProgressBar      progress_bar;
1996
1997             /* SoundTouch */
1998             Gtk::ToggleButton     quick_button;
1999             Gtk::ToggleButton     antialias_button;
2000             Gtk::HBox             upper_button_box;
2001
2002             /* RubberBand */
2003             Gtk::ComboBoxText     stretch_opts_selector;
2004             Gtk::Label            stretch_opts_label;
2005             Gtk::ToggleButton     precise_button;
2006             Gtk::HBox             opts_box;
2007
2008             Gtk::Button*          cancel_button;
2009             Gtk::Button*          action_button;
2010             Gtk::VBox             packer;
2011             int                   status;
2012
2013             TimeFXDialog (Editor& e, bool for_pitch);
2014
2015             gint update_progress ();
2016             sigc::connection first_cancel;
2017             sigc::connection first_delete;
2018             void cancel_in_progress ();
2019             gint delete_in_progress (GdkEventAny*);
2020         };
2021
2022         /* "whats mine is yours" */
2023
2024         friend class TimeFXDialog;
2025
2026         TimeFXDialog* current_timefx;
2027
2028         static void* timefx_thread (void *arg);
2029         void do_timefx (TimeFXDialog&);
2030
2031         int time_stretch (RegionSelection&, float fraction);
2032         int pitch_shift (RegionSelection&, float cents);
2033         void pitch_shift_regions ();
2034         int time_fx (RegionSelection&, float val, bool pitching);
2035
2036         /* editor-mixer strip */
2037
2038         MixerStrip *current_mixer_strip;
2039         bool show_editor_mixer_when_tracks_arrive;
2040         Gtk::VBox current_mixer_strip_vbox;
2041         void cms_deleted ();
2042         void current_mixer_strip_hidden ();
2043         void current_mixer_strip_removed ();
2044
2045         void detach_tearoff (Gtk::Box* b, Gtk::Window* w);
2046         void reattach_tearoff (Gtk::Box* b, Gtk::Window* w, int32_t n);
2047 #ifdef GTKOSX
2048         void ensure_all_elements_drawn ();
2049 #endif
2050         /* nudging tracks */
2051
2052         void nudge_track (bool use_edit_point, bool forwards);
2053
2054         /* xfades */
2055
2056         bool _xfade_visibility;
2057
2058         /* <CMT Additions> */
2059         void handle_new_imageframe_time_axis_view(const string & track_name, void* src) ;
2060         void handle_new_imageframe_marker_time_axis_view(const string & track_name, TimeAxisView* marked_track) ;
2061
2062         void start_imageframe_grab(ArdourCanvas::Item*, GdkEvent*) ;
2063         void start_markerview_grab(ArdourCanvas::Item*, GdkEvent*) ;
2064
2065         void imageframe_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
2066         void markerview_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
2067         void timeaxis_item_drag_finished_callback(ArdourCanvas::Item*, GdkEvent*) ;
2068
2069         gint canvas_imageframe_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
2070         gint canvas_imageframe_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
2071         gint canvas_imageframe_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
2072         gint canvas_imageframe_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
2073
2074         gint canvas_marker_time_axis_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerTimeAxis* mta);
2075         gint canvas_markerview_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
2076         gint canvas_markerview_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
2077         gint canvas_markerview_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
2078
2079         void imageframe_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
2080         void imageframe_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
2081         void imageframe_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
2082         void imageframe_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
2083         void imageframe_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
2084         void imageframe_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
2085
2086         void markerview_item_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
2087         void markerview_item_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
2088         void markerview_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
2089         void markerview_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
2090         void markerview_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
2091         void markerview_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
2092
2093         void popup_imageframe_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
2094         void popup_marker_time_axis_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
2095
2096         ImageFrameSocketHandler* image_socket_listener ;
2097         /* </CMT Additions> */
2098
2099         void toggle_xfade_active (boost::weak_ptr<ARDOUR::Crossfade>);
2100         void toggle_xfade_length (boost::weak_ptr<ARDOUR::Crossfade>);
2101         void edit_xfade (boost::weak_ptr<ARDOUR::Crossfade>);
2102         void xfade_edit_left_region ();
2103         void xfade_edit_right_region ();
2104
2105         static const int32_t default_width = 995;
2106         static const int32_t default_height = 765;
2107
2108         /* nudge */
2109
2110         Gtk::Button      nudge_forward_button;
2111         Gtk::Button      nudge_backward_button;
2112         Gtk::HBox        nudge_hbox;
2113         Gtk::VBox        nudge_vbox;
2114         AudioClock       nudge_clock;
2115
2116         nframes64_t get_nudge_distance (nframes64_t pos, nframes64_t& next);
2117
2118         bool nudge_forward_release (GdkEventButton*);
2119         bool nudge_backward_release (GdkEventButton*);
2120
2121         /* audio filters */
2122
2123         void apply_filter (ARDOUR::AudioFilter&, string cmd);
2124
2125         /* handling cleanup */
2126
2127         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
2128
2129         vector<sigc::connection> session_connections;
2130
2131         /* tracking step changes of track height */
2132
2133         TimeAxisView* current_stepping_trackview;
2134         ARDOUR::microseconds_t last_track_height_step_timestamp;
2135         gint track_height_step_timeout();
2136         sigc::connection step_timeout;
2137
2138         TimeAxisView* entered_track;
2139         RegionView*   entered_regionview;
2140
2141
2142         void ensure_entered_track_selected (bool op_acts_on_objects = false);
2143         bool clear_entered_track;
2144         bool left_track_canvas (GdkEventCrossing*);
2145         bool entered_track_canvas (GdkEventCrossing*);
2146         void set_entered_track (TimeAxisView*);
2147         void set_entered_regionview (RegionView*);
2148         void ensure_track_visible (TimeAxisView*);
2149         gint left_automation_track ();
2150
2151         bool _new_regionviews_show_envelope;
2152
2153         void reset_canvas_action_sensitivity (bool);
2154         void toggle_gain_envelope_visibility ();
2155         void toggle_gain_envelope_active ();
2156         void reset_region_gain_envelopes ();
2157
2158         bool on_key_press_event (GdkEventKey*);
2159         bool on_key_release_event (GdkEventKey*);
2160
2161         void session_state_saved (string);
2162
2163         Glib::RefPtr<Gtk::Action>              undo_action;
2164         Glib::RefPtr<Gtk::Action>              redo_action;
2165
2166         void history_changed ();
2167         void color_handler ();
2168
2169         Gtk::HBox      status_bar_hpacker;
2170
2171         Editing::EditPoint _edit_point;
2172
2173         Gtk::ComboBoxText edit_point_selector;
2174
2175         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
2176         void cycle_edit_point (bool with_marker);
2177         void set_edit_point ();
2178         void edit_point_selection_done ();
2179         void edit_point_chosen (Editing::EditPoint);
2180         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
2181         std::vector<std::string> edit_point_strings;
2182
2183         void selected_marker_moved (ARDOUR::Location*);
2184         sigc::connection edit_point_clock_connection_a;
2185         sigc::connection edit_point_clock_connection_b;
2186
2187         bool get_edit_op_range (nframes64_t& start, nframes64_t& end) const;
2188
2189         void get_regions_at (RegionSelection&, nframes64_t where, const TrackSelection& ts) const;
2190         void get_regions_after (RegionSelection&, nframes64_t where, const TrackSelection& ts) const;
2191
2192         void get_regions_for_action (RegionSelection&, bool allowed_entered_regionview = false);
2193
2194         sigc::connection fast_screen_update_connection;
2195         gint start_updating ();
2196         gint stop_updating ();
2197         void fast_update_strips ();
2198         bool meters_running;
2199
2200         void select_next_route ();
2201         void select_prev_route ();
2202
2203         void snap_to_internal (nframes64_t& first, int32_t direction = 0, bool for_mark = false);
2204
2205         RhythmFerret* rhythm_ferret;
2206
2207         void fit_tracks ();
2208         void set_track_height (uint32_t h);
2209         void set_track_height_largest ();
2210         void set_track_height_large ();
2211         void set_track_height_larger ();
2212         void set_track_height_normal ();
2213         void set_track_height_smaller ();
2214         void set_track_height_small ();
2215
2216         void remove_tracks ();
2217         void toggle_tracks_active ();
2218         void waveform_scale_chosen (Editing::WaveformScale);
2219
2220         bool _have_idled;
2221         int resize_idle_id;
2222         int32_t resize_idle_target;
2223         bool idle_resize();
2224         friend gboolean _idle_resize (gpointer);
2225         std::vector<TimeAxisView*> pending_resizes;
2226 };
2227
2228 #endif /* __ardour_editor_h__ */