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 <sys/time.h>
  24
  25 #include <cmath>
  26 #include <list>
  27 #include <map>
  28 #include <set>
  29 #include <string>
  30 #include <vector>
  31
  32 #include <boost/optional.hpp>
  33
  34 #include <gtkmm/comboboxtext.h>
  35 #include <gtkmm/layout.h>
  36
  37 #include "gtkmm2ext/bindings.h"
  38 #include "gtkmm2ext/dndtreeview.h"
  39
  40 #include "pbd/stateful.h"
  41 #include "pbd/signals.h"
  42
  43 #include "ardour/import_status.h"
  44 #include "ardour/tempo.h"
  45 #include "ardour/location.h"
  46 #include "ardour/types.h"
  47
  48 #include "canvas/fwd.h"
  49 #include "canvas/ruler.h"
  50
  51 #include "widgets/ardour_button.h"
  52 #include "widgets/ardour_dropdown.h"
  53 #include "widgets/pane.h"
  54
  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 "selection_memento.h"
  62 #include "tempo_curve.h"
  63
  64 #include "ptformat/ptformat.h"
  65
  66 namespace Gtkmm2ext {
  67         class Bindings;
  68 }
  69
  70 namespace Evoral {
  71         class SMF;
  72 }
  73
  74 namespace ARDOUR {
  75         class AudioPlaylist;
  76         class AudioRegion;
  77         class AudioTrack;
  78         class ChanCount;
  79         class Filter;
  80         class Location;
  81         class MidiOperator;
  82         class MidiRegion;
  83         class MidiTrack;
  84         class Playlist;
  85         class Region;
  86         class RouteGroup;
  87         class Session;
  88         class TempoSection;
  89         class Track;
  90 }
  91
  92 namespace LADSPA {
  93         class Plugin;
  94 }
  95
  96 class AnalysisWindow;
  97 class AudioClock;
  98 class AudioRegionView;
  99 class AudioStreamView;
 100 class AudioTimeAxisView;
 101 class AutomationLine;
 102 class AutomationSelection;
 103 class AutomationTimeAxisView;
 104 class BundleManager;
 105 class ControlPoint;
 106 class CursorContext;
 107 class DragManager;
 108 class EditNoteDialog;
 109 class EditorCursor;
 110 class EditorGroupTabs;
 111 class EditorLocations;
 112 class EditorRegions;
 113 class EditorSources;
 114 class EditorRoutes;
 115 class EditorRouteGroups;
 116 class EditorSnapshots;
 117 class EditorSummary;
 118 class GUIObjectState;
 119 class ArdourMarker;
 120 class MidiRegionView;
 121 class MidiExportDialog;
 122 class MixerStrip;
 123 class MouseCursors;
 124 class NoteBase;
 125 class PlaylistSelector;
 126 class PluginSelector;
 127 class ProgressReporter;
 128 class QuantizeDialog;
 129 class RhythmFerret;
 130 class RulerDialog;
 131 class Selection;
 132 class SoundFileOmega;
 133 class StreamView;
 134 class GridLines;
 135 class TempoLines;
 136 class TimeAxisView;
 137 class TimeInfoBox;
 138 class TimeFXDialog;
 139 class TimeSelection;
 140 class RegionLayeringOrderEditor;
 141 class VerboseCursor;
 142
 143 class Editor : public PublicEditor, public PBD::ScopedConnectionList
 144 {
 145 public:
 146         Editor ();
 147         ~Editor ();
 148
 149         void             set_session (ARDOUR::Session*);
 150
 151         Gtk::Window* use_own_window (bool and_fill_it);
 152
 153         void             first_idle ();
 154         virtual bool     have_idled () const { return _have_idled; }
 155
 156         samplepos_t leftmost_sample() const { return _leftmost_sample; }
 157
 158         samplecnt_t current_page_samples() const {
 159                 return (samplecnt_t) _visible_canvas_width* samples_per_pixel;
 160         }
 161
 162         double visible_canvas_height () const {
 163                 return _visible_canvas_height;
 164         }
 165         double trackviews_height () const;
 166
 167         void cycle_snap_mode ();
 168         void next_grid_choice ();
 169         void prev_grid_choice ();
 170         void set_grid_to (Editing::GridType);
 171         void set_snap_mode (Editing::SnapMode);
 172
 173         Editing::SnapMode  snap_mode () const;
 174         Editing::GridType  grid_type () const;
 175         bool  grid_musical () const;
 176         bool  grid_nonmusical () const;
 177
 178         void undo (uint32_t n = 1);
 179         void redo (uint32_t n = 1);
 180
 181         XMLNode& get_state ();
 182         int set_state (const XMLNode&, int version);
 183
 184         void set_mouse_mode (Editing::MouseMode, bool force = false);
 185         void step_mouse_mode (bool next);
 186         Editing::MouseMode current_mouse_mode () const { return mouse_mode; }
 187         Editing::MidiEditMode current_midi_edit_mode () const;
 188         void remove_midi_note (ArdourCanvas::Item*, GdkEvent*);
 189
 190         bool internal_editing() const;
 191
 192         void foreach_time_axis_view (sigc::slot<void,TimeAxisView&>);
 193         void add_to_idle_resize (TimeAxisView*, int32_t);
 194
 195         StripableTimeAxisView* get_stripable_time_axis_by_id (const PBD::ID& id) const;
 196
 197         void consider_auditioning (boost::shared_ptr<ARDOUR::Region>);
 198         void hide_a_region (boost::shared_ptr<ARDOUR::Region>);
 199         void show_a_region (boost::shared_ptr<ARDOUR::Region>);
 200
 201 #ifdef USE_RUBBERBAND
 202         std::vector<std::string> rb_opt_strings;
 203         int rb_current_opt;
 204 #endif
 205
 206         /* things that need to be public to be used in the main menubar */
 207
 208         void new_region_from_selection ();
 209         void separate_regions_between (const TimeSelection&);
 210         void separate_region_from_selection ();
 211         void separate_under_selected_regions ();
 212         void separate_region_from_punch ();
 213         void separate_region_from_loop ();
 214         void separate_regions_using_location (ARDOUR::Location&);
 215         void transition_to_rolling (bool forward);
 216
 217         /* NOTE: these functions assume that the "pixel" coordinate is
 218            in canvas coordinates. These coordinates already take into
 219            account any scrolling offsets.
 220         */
 221
 222         samplepos_t pixel_to_sample_from_event (double pixel) const {
 223
 224                 /* pixel can be less than zero when motion events
 225                    are processed. since we've already run the world->canvas
 226                    affine, that means that the location *really* is "off
 227                    to the right" and thus really is "before the start".
 228                 */
 229
 230                 if (pixel >= 0) {
 231                         return pixel * samples_per_pixel;
 232                 } else {
 233                         return 0;
 234                 }
 235         }
 236
 237         samplepos_t pixel_to_sample (double pixel) const {
 238                 return pixel * samples_per_pixel;
 239         }
 240
 241         double sample_to_pixel (samplepos_t sample) const {
 242                 return round (sample / (double) samples_per_pixel);
 243         }
 244
 245         double sample_to_pixel_unrounded (samplepos_t sample) const {
 246                 return sample / (double) samples_per_pixel;
 247         }
 248
 249         /* selection */
 250
 251         Selection& get_selection() const { return *selection; }
 252         bool get_selection_extents (samplepos_t &start, samplepos_t &end) const;  // the time extents of the current selection, whether Range, Region(s), Control Points, or Notes
 253         Selection& get_cut_buffer() const { return *cut_buffer; }
 254
 255         void set_selection (std::list<Selectable*>, Selection::Operation);
 256
 257         bool extend_selection_to_track (TimeAxisView&);
 258
 259         void play_selection ();
 260         void maybe_locate_with_edit_preroll (samplepos_t);
 261         void play_with_preroll ();
 262         void rec_with_preroll ();
 263         void rec_with_count_in ();
 264         void select_all_in_track (Selection::Operation op);
 265         void select_all_objects (Selection::Operation op);
 266         void invert_selection_in_track ();
 267         void invert_selection ();
 268         void deselect_all ();
 269         long select_range (samplepos_t, samplepos_t);
 270
 271         void set_selected_regionview_from_region_list (boost::shared_ptr<ARDOUR::Region> region, Selection::Operation op = Selection::Set);
 272
 273         void remove_tracks ();
 274
 275         /* tempo */
 276
 277         void update_grid ();
 278
 279         /* analysis window */
 280
 281         void loudness_analyze_region_selection();
 282         void loudness_analyze_range_selection();
 283
 284         void spectral_analyze_region_selection();
 285         void spectral_analyze_range_selection();
 286
 287         /* export */
 288
 289         void export_audio ();
 290         void stem_export ();
 291         void export_selection ();
 292         void export_range ();
 293         void export_region ();
 294
 295         bool process_midi_export_dialog (MidiExportDialog& dialog, boost::shared_ptr<ARDOUR::MidiRegion> midi_region);
 296
 297         void               set_zoom_focus (Editing::ZoomFocus);
 298         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
 299         samplecnt_t        get_current_zoom () const { return samples_per_pixel; }
 300         void               cycle_zoom_focus ();
 301         void temporal_zoom_step (bool zoom_out);
 302         void temporal_zoom_step_scale (bool zoom_out, double scale);
 303         void temporal_zoom_step_mouse_focus (bool zoom_out);
 304         void temporal_zoom_step_mouse_focus_scale (bool zoom_out, double scale);
 305         void ensure_time_axis_view_is_visible (TimeAxisView const & tav, bool at_top);
 306         void tav_zoom_step (bool coarser);
 307         void tav_zoom_smooth (bool coarser, bool force_all);
 308
 309         /* stuff that AudioTimeAxisView and related classes use */
 310
 311         PlaylistSelector& playlist_selector() const;
 312         void clear_playlist (boost::shared_ptr<ARDOUR::Playlist>);
 313
 314         void new_playlists (TimeAxisView* v);
 315         void copy_playlists (TimeAxisView* v);
 316         void clear_playlists (TimeAxisView* v);
 317
 318         void get_onscreen_tracks (TrackViewList&);
 319
 320         Width editor_mixer_strip_width;
 321         void maybe_add_mixer_strip_width (XMLNode&);
 322         void show_editor_mixer (bool yn);
 323         void create_editor_mixer ();
 324         void show_editor_list (bool yn);
 325         void set_selected_mixer_strip (TimeAxisView&);
 326         void mixer_strip_width_changed ();
 327         void hide_track_in_display (TimeAxisView* tv, bool apply_to_selection = false);
 328         void show_track_in_display (TimeAxisView* tv, bool move_into_view = false);
 329         void tempo_curve_selected (ARDOUR::TempoSection* ts, bool yn);
 330
 331         /* nudge is initiated by transport controls owned by ARDOUR_UI */
 332
 333         samplecnt_t get_nudge_distance (samplepos_t pos, samplecnt_t& next);
 334         samplecnt_t get_paste_offset (samplepos_t pos, unsigned paste_count, samplecnt_t duration);
 335         unsigned get_grid_beat_divisions(samplepos_t position);
 336         Temporal::Beats get_grid_type_as_beats (bool& success, samplepos_t position);
 337
 338         int32_t get_grid_music_divisions (uint32_t event_state);
 339
 340         void nudge_forward (bool next, bool force_playhead);
 341         void nudge_backward (bool next, bool force_playhead);
 342
 343         /* nudge initiated from context menu */
 344
 345         void nudge_forward_capture_offset ();
 346         void nudge_backward_capture_offset ();
 347
 348         void sequence_regions ();
 349
 350         /* playhead/screen stuff */
 351
 352         void set_stationary_playhead (bool yn);
 353         void toggle_stationary_playhead ();
 354         bool stationary_playhead() const { return _stationary_playhead; }
 355
 356         void set_follow_playhead (bool yn, bool catch_up = true);
 357         void toggle_follow_playhead ();
 358         bool follow_playhead() const { return _follow_playhead; }
 359         bool dragging_playhead () const { return _dragging_playhead; }
 360
 361         void toggle_zero_line_visibility ();
 362         void set_summary ();
 363         void set_group_tabs ();
 364
 365         /* returns the left-most and right-most time that the gui should allow the user to scroll to */
 366         std::pair <samplepos_t,samplepos_t> session_gui_extents (bool use_extra = true) const;
 367
 368         /* fades */
 369
 370         void toggle_region_fades (int dir);
 371         void update_region_fade_visibility ();
 372
 373         /* floating windows/transient */
 374
 375         void ensure_float (Gtk::Window&);
 376
 377         void scroll_tracks_down_line ();
 378         void scroll_tracks_up_line ();
 379
 380         bool scroll_up_one_track (bool skip_child_views = false);
 381         bool scroll_down_one_track (bool skip_child_views = false);
 382
 383         void scroll_left_step ();
 384         void scroll_right_step ();
 385
 386         void scroll_left_half_page ();
 387         void scroll_right_half_page ();
 388
 389         void select_topmost_track ();
 390
 391         void cleanup_regions ();
 392
 393         void prepare_for_cleanup ();
 394         void finish_cleanup ();
 395
 396         void maximise_editing_space();
 397         void restore_editing_space();
 398
 399         double get_y_origin () const;
 400         void reset_x_origin (samplepos_t);
 401         void reset_x_origin_to_follow_playhead ();
 402         void reset_y_origin (double);
 403         void reset_zoom (samplecnt_t);
 404         void reposition_and_zoom (samplepos_t, double);
 405
 406         samplepos_t get_preferred_edit_position (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE,
 407                                                  bool use_context_click = false,
 408                                                  bool from_outside_canvas = false);
 409
 410         bool update_mouse_speed ();
 411         bool decelerate_mouse_speed ();
 412
 413         void toggle_meter_updating();
 414
 415         void show_rhythm_ferret();
 416
 417         void goto_visual_state (uint32_t);
 418         void save_visual_state (uint32_t);
 419
 420         void queue_draw_resize_line (int at);
 421         void start_resize_line_ops ();
 422         void end_resize_line_ops ();
 423
 424         TrackViewList const & get_track_views () const {
 425                 return track_views;
 426         }
 427
 428         int get_regionview_count_from_region_list (boost::shared_ptr<ARDOUR::Region>);
 429
 430         void do_ptimport(std::string path, ARDOUR::SrcQuality quality);
 431
 432         void do_import (std::vector<std::string>              paths,
 433                         Editing::ImportDisposition            disposition,
 434                         Editing::ImportMode                   mode,
 435                         ARDOUR::SrcQuality                    quality,
 436                         ARDOUR::MidiTrackNameSource           mts,
 437                         ARDOUR::MidiTempoMapDisposition       mtd,
 438                         samplepos_t&                          pos,
 439                         boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
 440
 441         void do_embed (std::vector<std::string>              paths,
 442                        Editing::ImportDisposition            disposition,
 443                        Editing::ImportMode                   mode,
 444                        samplepos_t&                          pos,
 445                        boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
 446
 447         void get_regions_corresponding_to (boost::shared_ptr<ARDOUR::Region> region, std::vector<RegionView*>& regions, bool src_comparison);
 448
 449         void get_regionviews_by_id (PBD::ID const id, RegionSelection & regions) const;
 450         void get_per_region_note_selection (std::list<std::pair<PBD::ID, std::set<boost::shared_ptr<Evoral::Note<Temporal::Beats> > > > >&) const;
 451
 452         void center_screen (samplepos_t);
 453
 454         TrackViewList axis_views_from_routes (boost::shared_ptr<ARDOUR::RouteList>) const;
 455
 456         void snap_to (ARDOUR::MusicSample& first,
 457                       ARDOUR::RoundMode    direction = ARDOUR::RoundNearest,
 458                       ARDOUR::SnapPref     pref = ARDOUR::SnapToAny_Visual,
 459                       bool                 ensure_snap = false);
 460
 461         void snap_to_with_modifier (ARDOUR::MusicSample& first,
 462                                     GdkEvent const*      ev,
 463                                     ARDOUR::RoundMode    direction = ARDOUR::RoundNearest,
 464                                     ARDOUR::SnapPref     pref = ARDOUR::SnapToAny_Visual);
 465
 466         void set_snapped_cursor_position (samplepos_t pos);
 467
 468         void begin_selection_op_history ();
 469         void begin_reversible_selection_op (std::string cmd_name);
 470         void commit_reversible_selection_op ();
 471         void undo_selection_op ();
 472         void redo_selection_op ();
 473         void begin_reversible_command (std::string cmd_name);
 474         void begin_reversible_command (GQuark);
 475         void abort_reversible_command ();
 476         void commit_reversible_command ();
 477
 478         DragManager* drags () const {
 479                 return _drags;
 480         }
 481
 482         void maybe_autoscroll (bool, bool, bool);
 483         bool autoscroll_active() const;
 484
 485         Gdk::Cursor* get_canvas_cursor () const;
 486
 487         void set_current_trimmable (boost::shared_ptr<ARDOUR::Trimmable>);
 488         void set_current_movable (boost::shared_ptr<ARDOUR::Movable>);
 489
 490         MouseCursors const* cursors () const {
 491                 return _cursors;
 492         }
 493
 494         VerboseCursor* verbose_cursor () const {
 495                 return _verbose_cursor;
 496         }
 497
 498         double clamp_verbose_cursor_x (double);
 499         double clamp_verbose_cursor_y (double);
 500
 501         void get_pointer_position (double &, double &) const;
 502
 503         /** Context for mouse entry (stored in a stack). */
 504         struct EnterContext {
 505                 ItemType                         item_type;
 506                 boost::shared_ptr<CursorContext> cursor_ctx;
 507         };
 508
 509         /** Get the topmost enter context for the given item type.
 510          *
 511          * This is used to change the cursor associated with a given enter context,
 512          * which may not be on the top of the stack.
 513          */
 514         EnterContext* get_enter_context(ItemType type);
 515
 516         TimeAxisView* stepping_axis_view () {
 517                 return _stepping_axis_view;
 518         }
 519
 520         void set_stepping_axis_view (TimeAxisView* v) {
 521                 _stepping_axis_view = v;
 522         }
 523
 524         ArdourCanvas::Container* get_trackview_group () const { return _trackview_group; }
 525         ArdourCanvas::Container* get_noscroll_group () const { return no_scroll_group; }
 526         ArdourCanvas::ScrollGroup* get_hscroll_group () const { return h_scroll_group; }
 527         ArdourCanvas::ScrollGroup* get_hvscroll_group () const { return hv_scroll_group; }
 528         ArdourCanvas::ScrollGroup* get_cursor_scroll_group () const { return cursor_scroll_group; }
 529         ArdourCanvas::Container* get_drag_motion_group () const { return _drag_motion_group; }
 530
 531         ArdourCanvas::GtkCanvasViewport* get_track_canvas () const;
 532
 533         void override_visible_track_count ();
 534
 535         /* Ruler metrics methods */
 536
 537         void metric_get_timecode (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 538         void metric_get_bbt (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 539         void metric_get_samples (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 540         void metric_get_minsec (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 541
 542         /* editing operations that need to be public */
 543         void mouse_add_new_marker (samplepos_t where, bool is_cd=false);
 544         void split_regions_at (ARDOUR::MusicSample, RegionSelection&);
 545         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret, bool select_new = false);
 546         RegionSelection get_regions_from_selection_and_mouse (samplepos_t);
 547
 548         void mouse_add_new_tempo_event (samplepos_t where);
 549         void mouse_add_new_meter_event (samplepos_t where);
 550         void edit_tempo_section (ARDOUR::TempoSection*);
 551         void edit_meter_section (ARDOUR::MeterSection*);
 552
 553 protected:
 554         void map_transport_state ();
 555         void map_position_change (samplepos_t);
 556         void transport_looped ();
 557
 558         void on_realize();
 559
 560         void suspend_route_redisplay ();
 561         void resume_route_redisplay ();
 562
 563 private:
 564
 565         void color_handler ();
 566
 567         bool                 constructed;
 568
 569         // to keep track of the playhead position for control_scroll
 570         boost::optional<samplepos_t> _control_scroll_target;
 571
 572         PlaylistSelector* _playlist_selector;
 573
 574         TimeInfoBox*      _time_info_box;
 575
 576         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
 577
 578         struct VisualState {
 579                 VisualState (bool with_tracks);
 580                 ~VisualState ();
 581                 double              y_position;
 582                 samplecnt_t         samples_per_pixel;
 583                 samplepos_t        _leftmost_sample;
 584                 Editing::ZoomFocus  zoom_focus;
 585                 GUIObjectState*     gui_state;
 586         };
 587
 588         std::list<VisualState*> undo_visual_stack;
 589         std::list<VisualState*> redo_visual_stack;
 590         VisualState* current_visual_state (bool with_tracks = true);
 591         void undo_visual_state ();
 592         void redo_visual_state ();
 593         void use_visual_state (VisualState&);
 594         bool no_save_visual;
 595         void swap_visual_state ();
 596
 597         std::vector<VisualState*> visual_states;
 598         void start_visual_state_op (uint32_t n);
 599         void cancel_visual_state_op (uint32_t n);
 600
 601         samplepos_t       _leftmost_sample;
 602         samplecnt_t        samples_per_pixel;
 603         Editing::ZoomFocus zoom_focus;
 604
 605         void set_samples_per_pixel (samplecnt_t);
 606         void on_samples_per_pixel_changed ();
 607
 608         Editing::MouseMode mouse_mode;
 609         Editing::GridType  pre_internal_grid_type;
 610         Editing::SnapMode  pre_internal_snap_mode;
 611         Editing::GridType  internal_grid_type;
 612         Editing::SnapMode  internal_snap_mode;
 613         Editing::MouseMode effective_mouse_mode () const;
 614
 615         enum JoinObjectRangeState {
 616                 JOIN_OBJECT_RANGE_NONE,
 617                 /** `join object/range' mode is active and the mouse is over a place where object mode should happen */
 618                 JOIN_OBJECT_RANGE_OBJECT,
 619                 /** `join object/range' mode is active and the mouse is over a place where range mode should happen */
 620                 JOIN_OBJECT_RANGE_RANGE
 621         };
 622
 623         JoinObjectRangeState _join_object_range_state;
 624
 625         void update_join_object_range_location (double);
 626
 627         boost::optional<float>  pre_notebook_shrink_pane_width;
 628
 629         Gtk::VBox _editor_list_vbox;
 630         Gtk::Notebook _the_notebook;
 631         bool _notebook_shrunk;
 632         void add_notebook_page (std::string const&, Gtk::Widget&);
 633         bool notebook_tab_clicked (GdkEventButton*, Gtk::Widget*);
 634
 635         ArdourWidgets::HPane edit_pane;
 636         ArdourWidgets::VPane editor_summary_pane;
 637
 638         Gtk::EventBox meter_base;
 639         Gtk::EventBox marker_base;
 640         Gtk::HBox     marker_box;
 641         Gtk::VBox     scrollers_rulers_markers_box;
 642
 643         void location_changed (ARDOUR::Location*);
 644         void location_flags_changed (ARDOUR::Location*);
 645         void refresh_location_display ();
 646         void refresh_location_display_internal (const ARDOUR::Locations::LocationList&);
 647         void add_new_location (ARDOUR::Location*);
 648         ArdourCanvas::Container* add_new_location_internal (ARDOUR::Location*);
 649         void location_gone (ARDOUR::Location*);
 650         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
 651         gint really_remove_marker (ARDOUR::Location* loc);
 652         void goto_nth_marker (int nth);
 653         void trigger_script (int nth);
 654         void trigger_script_by_name (const std::string script_name);
 655         void toggle_marker_lines ();
 656         void set_marker_line_visibility (bool);
 657
 658         void jump_forward_to_mark ();
 659         void jump_backward_to_mark ();
 660
 661         uint32_t location_marker_color;
 662         uint32_t location_range_color;
 663         uint32_t location_loop_color;
 664         uint32_t location_punch_color;
 665         uint32_t location_cd_marker_color;
 666
 667         struct LocationMarkers {
 668                 ArdourMarker* start;
 669                 ArdourMarker* end;
 670                 bool    valid;
 671
 672                 LocationMarkers () : start(0), end(0), valid (true) {}
 673
 674                 ~LocationMarkers ();
 675
 676                 void hide ();
 677                 void show ();
 678
 679                 void set_show_lines (bool);
 680                 void set_selected (bool);
 681                 void canvas_height_set (double);
 682                 void setup_lines ();
 683
 684                 void set_name (const std::string&);
 685                 void set_position (samplepos_t start, samplepos_t end = 0);
 686                 void set_color_rgba (uint32_t);
 687         };
 688
 689         LocationMarkers*  find_location_markers (ARDOUR::Location*) const;
 690         ARDOUR::Location* find_location_from_marker (ArdourMarker*, bool& is_start) const;
 691         ArdourMarker* find_marker_from_location_id (PBD::ID const&, bool) const;
 692         ArdourMarker* entered_marker;
 693         bool _show_marker_lines;
 694
 695         typedef std::map<ARDOUR::Location*,LocationMarkers*> LocationMarkerMap;
 696         LocationMarkerMap location_markers;
 697
 698         void update_marker_labels ();
 699         void update_marker_labels (ArdourCanvas::Container*);
 700         void check_marker_label (ArdourMarker*);
 701
 702         /** A set of lists of Markers that are in each of the canvas groups
 703          *  for the marker sections at the top of the editor.  These lists
 704          *  are kept sorted in time order between marker movements, so that after
 705          *  a marker has moved we can decide whether we need to update the labels
 706          *  for all markers or for just a few.
 707          */
 708         std::map<ArdourCanvas::Container*, std::list<ArdourMarker*> > _sorted_marker_lists;
 709         void remove_sorted_marker (ArdourMarker*);
 710
 711         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
 712         void clear_marker_display ();
 713         void mouse_add_new_range (samplepos_t);
 714         void mouse_add_new_loop (samplepos_t);
 715         void mouse_add_new_punch (samplepos_t);
 716         bool choose_new_marker_name(std::string &name, bool is_range=false);
 717         void update_cd_marker_display ();
 718         void ensure_cd_marker_updated (LocationMarkers* lam, ARDOUR::Location* location);
 719
 720         TimeAxisView*      clicked_axisview;
 721         RouteTimeAxisView* clicked_routeview;
 722         /** The last RegionView that was clicked on, or 0 if the last click was not
 723          * on a RegionView.  This is set up by the canvas event handlers in
 724          * editor_canvas_events.cc
 725          */
 726         RegionView*        clicked_regionview;
 727         RegionSelection    latest_regionviews;
 728         uint32_t           clicked_selection;
 729         ControlPoint*      clicked_control_point;
 730
 731         void sort_track_selection (TrackViewList&);
 732
 733         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*> &, PBD::PropertyID) const;
 734         RegionSelection get_equivalent_regions (RegionSelection &, PBD::PropertyID) const;
 735         RegionView* regionview_from_region (boost::shared_ptr<ARDOUR::Region>) const;
 736         RouteTimeAxisView* rtav_from_route (boost::shared_ptr<ARDOUR::Route>) const;
 737
 738         void mapover_tracks (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 739         void mapover_tracks_with_unique_playlists (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 740
 741         /* functions to be passed to mapover_tracks(), possibly with sigc::bind()-supplied arguments */
 742         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView*, std::vector<RegionView*>*) const;
 743         void mapped_use_new_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 744         void mapped_use_copy_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 745         void mapped_clear_playlist (RouteTimeAxisView&, uint32_t);
 746
 747         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
 748         bool button_release_can_deselect;
 749         bool _mouse_changed_selection;
 750
 751         void catch_vanishing_regionview (RegionView*);
 752
 753         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
 754         void select_all_tracks ();
 755         bool select_all_internal_edit (Selection::Operation);
 756
 757         bool set_selected_control_point_from_click (bool press, Selection::Operation op = Selection::Set);
 758         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
 759         void set_selected_track_as_side_effect (Selection::Operation op);
 760         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set);
 761
 762         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
 763         void collect_new_region_view (RegionView*);
 764         void collect_and_select_new_region_view (RegionView*);
 765
 766         Gtk::Menu track_context_menu;
 767         Gtk::Menu track_region_context_menu;
 768         Gtk::Menu track_selection_context_menu;
 769
 770         GdkEvent context_click_event;
 771
 772         void popup_track_context_menu (int, int, ItemType, bool);
 773         Gtk::Menu* build_track_context_menu ();
 774         Gtk::Menu* build_track_bus_context_menu ();
 775         Gtk::Menu* build_track_region_context_menu ();
 776         Gtk::Menu* build_track_selection_context_menu ();
 777         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 778         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 779         void add_region_context_items (Gtk::Menu_Helpers::MenuList&, boost::shared_ptr<ARDOUR::Track>);
 780         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 781         Gtk::MenuItem* _popup_region_menu_item;
 782
 783         void popup_control_point_context_menu (ArdourCanvas::Item*, GdkEvent*);
 784         Gtk::Menu _control_point_context_menu;
 785
 786         void popup_note_context_menu (ArdourCanvas::Item*, GdkEvent*);
 787         Gtk::Menu _note_context_menu;
 788
 789         void add_stripables (ARDOUR::StripableList&);
 790         void add_routes (ARDOUR::RouteList&);
 791         void timeaxisview_deleted (TimeAxisView*);
 792         void add_vcas (ARDOUR::VCAList&);
 793
 794         Gtk::HBox global_hpacker;
 795         Gtk::VBox global_vpacker;
 796
 797         /* Cursor stuff.  Do not use directly, use via CursorContext. */
 798         friend class CursorContext;
 799         std::vector<Gdk::Cursor*> _cursor_stack;
 800         void set_canvas_cursor (Gdk::Cursor*);
 801         size_t push_canvas_cursor (Gdk::Cursor*);
 802         void pop_canvas_cursor ();
 803
 804         Gdk::Cursor* which_track_cursor () const;
 805         Gdk::Cursor* which_mode_cursor () const;
 806         Gdk::Cursor* which_trim_cursor (bool left_side) const;
 807         Gdk::Cursor* which_canvas_cursor (ItemType type) const;
 808
 809         /** Push the appropriate enter/cursor context on item entry. */
 810         void choose_canvas_cursor_on_entry (ItemType);
 811
 812         /** Update all enter cursors based on current settings. */
 813         void update_all_enter_cursors ();
 814
 815         ArdourCanvas::GtkCanvas* _track_canvas;
 816         ArdourCanvas::GtkCanvasViewport* _track_canvas_viewport;
 817
 818         bool within_track_canvas;
 819
 820         friend class VerboseCursor;
 821         VerboseCursor* _verbose_cursor;
 822
 823         void parameter_changed (std::string);
 824         void ui_parameter_changed (std::string);
 825
 826         Gtk::EventBox            time_bars_event_box;
 827         Gtk::VBox                time_bars_vbox;
 828
 829         ArdourCanvas::Container* tempo_group;
 830         ArdourCanvas::Container* meter_group;
 831         ArdourCanvas::Container* marker_group;
 832         ArdourCanvas::Container* range_marker_group;
 833         ArdourCanvas::Container* transport_marker_group;
 834         ArdourCanvas::Container* cd_marker_group;
 835
 836         /* parent for groups which themselves contain time markers */
 837         ArdourCanvas::Container* _time_markers_group;
 838
 839         /* The group containing all other groups that are scrolled vertically
 840            and horizontally.
 841         */
 842         ArdourCanvas::ScrollGroup* hv_scroll_group;
 843
 844         /* The group containing all other groups that are scrolled horizontally ONLY
 845         */
 846         ArdourCanvas::ScrollGroup* h_scroll_group;
 847
 848         /* Scroll group for cursors, scrolled horizontally, above everything else
 849         */
 850         ArdourCanvas::ScrollGroup* cursor_scroll_group;
 851
 852         /* The group containing all trackviews. */
 853         ArdourCanvas::Container* no_scroll_group;
 854
 855         /* The group containing all trackviews. */
 856         ArdourCanvas::Container* _trackview_group;
 857
 858         /* The group holding things (mostly regions) while dragging so they
 859          * are on top of everything else
 860          */
 861         ArdourCanvas::Container* _drag_motion_group;
 862
 863         /* a rect that sits at the bottom of all tracks to act as a drag-no-drop/clickable
 864          * target area.
 865          */
 866         ArdourCanvas::Rectangle* _canvas_drop_zone;
 867         bool canvas_drop_zone_event (GdkEvent* event);
 868
 869         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
 870         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
 871         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
 872         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
 873         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
 874         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
 875         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
 876         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
 877         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
 878         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
 879         bool                            no_ruler_shown_update;
 880
 881         Gtk::Widget* ruler_grabbed_widget;
 882
 883         RulerDialog* ruler_dialog;
 884
 885         void initialize_rulers ();
 886         void update_just_timecode ();
 887         void compute_fixed_ruler_scale (); //calculates the RulerScale of the fixed rulers
 888         void update_fixed_rulers ();
 889         void update_tempo_based_rulers ();
 890         void popup_ruler_menu (samplepos_t where = 0, ItemType type = RegionItem);
 891         void update_ruler_visibility ();
 892         void toggle_ruler_visibility ();
 893         void ruler_toggled (int);
 894         bool ruler_label_button_release (GdkEventButton*);
 895         void store_ruler_visibility ();
 896         void restore_ruler_visibility ();
 897         void show_rulers_for_grid ();
 898
 899         enum MinsecRulerScale {
 900                 minsec_show_msecs,
 901                 minsec_show_seconds,
 902                 minsec_show_minutes,
 903                 minsec_show_hours,
 904                 minsec_show_many_hours
 905         };
 906
 907         MinsecRulerScale minsec_ruler_scale;
 908
 909         samplecnt_t minsec_mark_interval;
 910         gint minsec_mark_modulo;
 911         gint minsec_nmarks;
 912         void set_minsec_ruler_scale (samplepos_t, samplepos_t);
 913
 914         enum TimecodeRulerScale {
 915                 timecode_show_bits,
 916                 timecode_show_samples,
 917                 timecode_show_seconds,
 918                 timecode_show_minutes,
 919                 timecode_show_hours,
 920                 timecode_show_many_hours
 921         };
 922
 923         TimecodeRulerScale timecode_ruler_scale;
 924
 925         gint timecode_mark_modulo;
 926         gint timecode_nmarks;
 927         void set_timecode_ruler_scale (samplepos_t, samplepos_t);
 928
 929         samplecnt_t _samples_ruler_interval;
 930         void set_samples_ruler_scale (samplepos_t, samplepos_t);
 931
 932         enum BBTRulerScale {
 933                 bbt_show_many,
 934                 bbt_show_64,
 935                 bbt_show_16,
 936                 bbt_show_4,
 937                 bbt_show_1,
 938                 bbt_show_quarters,
 939                 bbt_show_eighths,
 940                 bbt_show_sixteenths,
 941                 bbt_show_thirtyseconds
 942         };
 943
 944         BBTRulerScale bbt_ruler_scale;
 945
 946         uint32_t bbt_bars;
 947         gint bbt_nmarks;
 948         uint32_t bbt_bar_helper_on;
 949         uint32_t bbt_accent_modulo;
 950         void compute_bbt_ruler_scale (samplepos_t lower, samplepos_t upper);
 951
 952         ArdourCanvas::Ruler* timecode_ruler;
 953         ArdourCanvas::Ruler* bbt_ruler;
 954         ArdourCanvas::Ruler* samples_ruler;
 955         ArdourCanvas::Ruler* minsec_ruler;
 956
 957         static double timebar_height;
 958         guint32 visible_timebars;
 959         Gtk::Menu* editor_ruler_menu;
 960
 961         ArdourCanvas::Rectangle* tempo_bar;
 962         ArdourCanvas::Rectangle* meter_bar;
 963         ArdourCanvas::Rectangle* marker_bar;
 964         ArdourCanvas::Rectangle* range_marker_bar;
 965         ArdourCanvas::Rectangle* transport_marker_bar;
 966         ArdourCanvas::Rectangle* cd_marker_bar;
 967
 968         Gtk::Label  minsec_label;
 969         Gtk::Label  bbt_label;
 970         Gtk::Label  timecode_label;
 971         Gtk::Label  samples_label;
 972         Gtk::Label  tempo_label;
 973         Gtk::Label  meter_label;
 974         Gtk::Label  mark_label;
 975         Gtk::Label  range_mark_label;
 976         Gtk::Label  transport_mark_label;
 977         Gtk::Label  cd_mark_label;
 978
 979         /* videtimline related actions */
 980         Gtk::Label                videotl_label;
 981         ArdourCanvas::Container*      videotl_group;
 982         Glib::RefPtr<Gtk::ToggleAction> ruler_video_action;
 983         Glib::RefPtr<Gtk::ToggleAction> xjadeo_proc_action;
 984         Glib::RefPtr<Gtk::ToggleAction> xjadeo_ontop_action;
 985         Glib::RefPtr<Gtk::ToggleAction> xjadeo_timecode_action;
 986         Glib::RefPtr<Gtk::ToggleAction> xjadeo_frame_action;
 987         Glib::RefPtr<Gtk::ToggleAction> xjadeo_osdbg_action;
 988         Glib::RefPtr<Gtk::ToggleAction> xjadeo_fullscreen_action;
 989         Glib::RefPtr<Gtk::ToggleAction> xjadeo_letterbox_action;
 990         Glib::RefPtr<Gtk::Action> xjadeo_zoom_100;
 991         void set_xjadeo_proc ();
 992         void toggle_xjadeo_proc (int state=-1);
 993         void set_close_video_sensitive (bool onoff);
 994         void set_xjadeo_sensitive (bool onoff);
 995         void set_xjadeo_viewoption (int);
 996         void toggle_xjadeo_viewoption (int what, int state=-1);
 997         void toggle_ruler_video (bool onoff) {ruler_video_action->set_active(onoff);}
 998         int videotl_bar_height; /* in units of timebar_height; default: 4 */
 999         int get_videotl_bar_height () const { return videotl_bar_height; }
1000         void toggle_region_video_lock ();
1001
1002         friend class EditorCursor;
1003
1004         EditorCursor* snapped_cursor;
1005
1006         EditorCursor* playhead_cursor;
1007         samplepos_t playhead_cursor_sample () const;
1008
1009         samplepos_t get_region_boundary (samplepos_t pos, int32_t dir, bool with_selection, bool only_onscreen);
1010
1011         void    cursor_to_region_boundary (bool with_selection, int32_t dir);
1012         void    cursor_to_next_region_boundary (bool with_selection);
1013         void    cursor_to_previous_region_boundary (bool with_selection);
1014         void    cursor_to_next_region_point (EditorCursor*, ARDOUR::RegionPoint);
1015         void    cursor_to_previous_region_point (EditorCursor*, ARDOUR::RegionPoint);
1016         void    cursor_to_region_point (EditorCursor*, ARDOUR::RegionPoint, int32_t dir);
1017         void    cursor_to_selection_start (EditorCursor*);
1018         void    cursor_to_selection_end   (EditorCursor*);
1019
1020         void    selected_marker_to_region_boundary (bool with_selection, int32_t dir);
1021         void    selected_marker_to_next_region_boundary (bool with_selection);
1022         void    selected_marker_to_previous_region_boundary (bool with_selection);
1023         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
1024         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
1025         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
1026         void    selected_marker_to_selection_start ();
1027         void    selected_marker_to_selection_end   ();
1028
1029         void    select_all_selectables_using_cursor (EditorCursor*, bool);
1030         void    select_all_selectables_using_edit (bool, bool);
1031         void    select_all_selectables_between (bool within);
1032         void    select_range_between ();
1033
1034         boost::shared_ptr<ARDOUR::Region> find_next_region (ARDOUR::samplepos_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView** = 0);
1035         ARDOUR::samplepos_t find_next_region_boundary (ARDOUR::samplepos_t, int32_t dir, const TrackViewList&);
1036
1037         std::vector<ARDOUR::samplepos_t> region_boundary_cache;
1038         void mark_region_boundary_cache_dirty () { _region_boundary_cache_dirty = true; }
1039         void build_region_boundary_cache ();
1040         bool    _region_boundary_cache_dirty;
1041
1042         Gtk::HBox           toplevel_hpacker;
1043
1044         Gtk::HBox           bottom_hbox;
1045
1046         Gtk::Table          edit_packer;
1047
1048         /** the adjustment that controls the overall editor vertical scroll position */
1049         Gtk::Adjustment     vertical_adjustment;
1050         Gtk::Adjustment     horizontal_adjustment;
1051
1052         Gtk::Adjustment     unused_adjustment; // yes, really; Gtk::Layout constructor requires refs
1053         Gtk::Layout         controls_layout;
1054         bool control_layout_scroll (GdkEventScroll* ev);
1055         void reset_controls_layout_width ();
1056         void reset_controls_layout_height (int32_t height);
1057
1058         enum Direction {
1059                 LEFT,
1060                 RIGHT,
1061                 UP,
1062                 DOWN
1063         };
1064
1065         bool scroll_press (Direction);
1066         void scroll_release ();
1067         sigc::connection _scroll_connection;
1068         int _scroll_callbacks;
1069
1070         double _visible_canvas_width;
1071         double _visible_canvas_height; ///< height of the visible area of the track canvas
1072         double _full_canvas_height;    ///< full height of the canvas
1073
1074         bool track_canvas_map_handler (GdkEventAny*);
1075
1076         bool edit_controls_button_release (GdkEventButton*);
1077         Gtk::Menu* edit_controls_left_menu;
1078         Gtk::Menu* edit_controls_right_menu;
1079
1080         Gtk::VBox           track_canvas_vbox;
1081         Gtk::VBox           edit_controls_vbox;
1082         Gtk::HBox           edit_controls_hbox;
1083
1084         void control_vertical_zoom_in_all ();
1085         void control_vertical_zoom_out_all ();
1086         void control_vertical_zoom_in_selected ();
1087         void control_vertical_zoom_out_selected ();
1088         void control_step_tracks_up ();
1089         void control_step_tracks_down ();
1090         void control_view (uint32_t);
1091         void control_scroll (float);
1092         void control_select (boost::shared_ptr<ARDOUR::Stripable>, Selection::Operation);
1093         void control_unselect ();
1094         void access_action (const std::string&, const std::string&);
1095         void set_toggleaction (const std::string&, const std::string&, bool);
1096         bool deferred_control_scroll (samplepos_t);
1097         sigc::connection control_scroll_connection;
1098
1099         void tie_vertical_scrolling ();
1100         void set_horizontal_position (double);
1101         double horizontal_position () const;
1102
1103         struct VisualChange {
1104                 enum Type {
1105                         TimeOrigin = 0x1,
1106                         ZoomLevel = 0x2,
1107                         YOrigin = 0x4,
1108                         VideoTimeline = 0x8
1109                 };
1110
1111                 Type        pending;
1112                 samplepos_t time_origin;
1113                 samplecnt_t samples_per_pixel;
1114                 double      y_origin;
1115
1116                 int idle_handler_id;
1117                 /** true if we are currently in the idle handler */
1118                 bool being_handled;
1119
1120                 VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), samples_per_pixel (0), idle_handler_id (-1), being_handled (false) {}
1121                 void add (Type t) {
1122                         pending = Type (pending | t);
1123                 }
1124         };
1125
1126         VisualChange pending_visual_change;
1127         bool visual_change_queued;
1128
1129         void pre_render ();
1130
1131         static int _idle_visual_changer (void* arg);
1132         int idle_visual_changer ();
1133         void visual_changer (const VisualChange&);
1134         void ensure_visual_change_idle_handler ();
1135
1136         /* track views */
1137         TrackViewList track_views;
1138         std::pair<TimeAxisView*, double> trackview_by_y_position (double, bool trackview_relative_offset = true) const;
1139
1140         AxisView* axis_view_by_stripable (boost::shared_ptr<ARDOUR::Stripable>) const;
1141         AxisView* axis_view_by_control (boost::shared_ptr<ARDOUR::AutomationControl>) const;
1142
1143         TimeAxisView* time_axis_view_from_stripable (boost::shared_ptr<ARDOUR::Stripable> s) const {
1144                 return dynamic_cast<TimeAxisView*> (axis_view_by_stripable (s));
1145         }
1146
1147         TrackViewList get_tracks_for_range_action () const;
1148
1149         sigc::connection super_rapid_screen_update_connection;
1150         void center_screen_internal (samplepos_t, float);
1151
1152         void super_rapid_screen_update ();
1153
1154         int64_t _last_update_time;
1155         double _err_screen_engine;
1156
1157         void session_going_away ();
1158
1159         samplepos_t cut_buffer_start;
1160         samplecnt_t cut_buffer_length;
1161
1162         boost::shared_ptr<CursorContext> _press_cursor_ctx;  ///< Button press cursor context
1163
1164         boost::weak_ptr<ARDOUR::Trimmable> _trimmable;
1165         boost::weak_ptr<ARDOUR::Movable> _movable;
1166
1167         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1168         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1169         bool button_press_handler_1 (ArdourCanvas::Item*, GdkEvent*, ItemType);
1170         bool button_press_handler_2 (ArdourCanvas::Item*, GdkEvent*, ItemType);
1171         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1172         bool button_double_click_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1173         bool button_press_dispatch (GdkEventButton*);
1174         bool button_release_dispatch (GdkEventButton*);
1175         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, bool from_autoscroll = false);
1176         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1177         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1178         bool key_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1179         bool key_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1180
1181         Gtkmm2ext::Bindings* button_bindings;
1182         XMLNode* button_settings () const;
1183
1184         /* KEYMAP HANDLING */
1185
1186         void register_actions ();
1187         void register_region_actions ();
1188
1189         void load_bindings ();
1190
1191         /* CUT/COPY/PASTE */
1192
1193         samplepos_t last_paste_pos;
1194         unsigned    paste_count;
1195
1196         void cut_copy (Editing::CutCopyOp);
1197         bool can_cut_copy () const;
1198         void cut_copy_points (Editing::CutCopyOp, Temporal::Beats earliest=Temporal::Beats(), bool midi=false);
1199         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1200         void cut_copy_ranges (Editing::CutCopyOp);
1201         void cut_copy_midi (Editing::CutCopyOp);
1202
1203         void mouse_paste ();
1204         void paste_internal (samplepos_t position, float times, const int32_t sub_num);
1205
1206         /* EDITING OPERATIONS */
1207
1208         void reset_point_selection ();
1209         void toggle_region_lock ();
1210         void toggle_opaque_region ();
1211         void toggle_record_enable ();
1212         void toggle_solo ();
1213         void toggle_solo_isolate ();
1214         void toggle_mute ();
1215         void toggle_region_lock_style ();
1216
1217         void play_solo_selection (bool restart);
1218
1219         enum LayerOperation {
1220                 Raise,
1221                 RaiseToTop,
1222                 Lower,
1223                 LowerToBottom
1224         };
1225
1226         void do_layer_operation (LayerOperation);
1227         void raise_region ();
1228         void raise_region_to_top ();
1229         void change_region_layering_order (bool from_context_menu);
1230         void lower_region ();
1231         void lower_region_to_bottom ();
1232         void split_region_at_transients ();
1233         void crop_region_to_selection ();
1234         void crop_region_to (samplepos_t start, samplepos_t end);
1235         void set_sync_point (samplepos_t, const RegionSelection&);
1236         void set_region_sync_position ();
1237         void remove_region_sync();
1238         void align_regions (ARDOUR::RegionPoint);
1239         void align_regions_relative (ARDOUR::RegionPoint point);
1240         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, samplepos_t position);
1241         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, samplepos_t position);
1242         void recover_regions (ARDOUR::RegionList);
1243         void remove_selected_regions ();
1244         void remove_clicked_region ();
1245         void show_region_properties ();
1246         void show_midi_list_editor ();
1247         void rename_region ();
1248         void duplicate_some_regions (RegionSelection&, float times);
1249         void duplicate_selection (float times);
1250         void region_fill_selection ();
1251         void combine_regions ();
1252         void uncombine_regions ();
1253
1254         void region_fill_track ();
1255         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1256         void split_multichannel_region();
1257         void reverse_region ();
1258         void strip_region_silence ();
1259         void normalize_region ();
1260         void reset_region_scale_amplitude ();
1261         void adjust_region_gain (bool up);
1262         void reset_region_gain ();
1263         void quantize_region ();
1264         void quantize_regions (const RegionSelection& rs);
1265         void legatize_region (bool shrink_only);
1266         void legatize_regions (const RegionSelection& rs, bool shrink_only);
1267         void transform_region ();
1268         void transform_regions (const RegionSelection& rs);
1269         void transpose_region ();
1270         void transpose_regions (const RegionSelection& rs);
1271         void insert_patch_change (bool from_context);
1272         void fork_region ();
1273
1274         void do_insert_time ();
1275         void insert_time (samplepos_t, samplecnt_t, Editing::InsertTimeOption, bool, bool, bool, bool, bool, bool);
1276
1277         void do_remove_time ();
1278         void remove_time (samplepos_t pos, samplecnt_t distance, Editing::InsertTimeOption opt, bool ignore_music_glue, bool markers_too,
1279                         bool glued_markers_too, bool locked_markers_too, bool tempo_too);
1280
1281         void tab_to_transient (bool forward);
1282
1283         void set_tempo_from_region ();
1284         void use_range_as_bar ();
1285
1286         void define_one_bar (samplepos_t start, samplepos_t end);
1287
1288         void audition_region_from_region_list ();
1289
1290         void naturalize_region ();
1291
1292         void split_region ();
1293
1294         void delete_ ();
1295         void cut ();
1296         void copy ();
1297         void paste (float times, bool from_context_menu);
1298
1299         void place_transient ();
1300         void remove_transient (ArdourCanvas::Item* item);
1301         void snap_regions_to_grid ();
1302         void close_region_gaps ();
1303
1304         void keyboard_paste ();
1305
1306         void region_from_selection ();
1307         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::Region> >&);
1308
1309         void play_from_start ();
1310         void play_from_edit_point ();
1311         void play_from_edit_point_and_return ();
1312         void play_selected_region ();
1313         void play_edit_range ();
1314         void play_location (ARDOUR::Location&);
1315         void loop_location (ARDOUR::Location&);
1316
1317         void calc_extra_zoom_edges(samplepos_t &start, samplepos_t &end);
1318         void temporal_zoom_selection (Editing::ZoomAxis);
1319         void temporal_zoom_session ();
1320         void temporal_zoom_extents ();
1321         void temporal_zoom (samplecnt_t samples_per_pixel);
1322         void temporal_zoom_by_sample (samplepos_t start, samplepos_t end);
1323         void temporal_zoom_to_sample (bool coarser, samplepos_t sample);
1324
1325         void insert_source_list_selection (float times);
1326
1327         /* import & embed */
1328
1329         void add_external_audio_action (Editing::ImportMode);
1330
1331         int  check_whether_and_how_to_import(std::string, bool all_or_nothing = true);
1332         bool check_multichannel_status (const std::vector<std::string>& paths);
1333
1334         SoundFileOmega* sfbrowser;
1335
1336         void bring_in_external_audio (Editing::ImportMode mode,  samplepos_t& pos);
1337
1338         bool  idle_drop_paths  (std::vector<std::string> paths, samplepos_t sample, double ypos, bool copy);
1339         void  drop_paths_part_two  (const std::vector<std::string>& paths, samplepos_t sample, double ypos, bool copy);
1340
1341         int import_sndfiles (std::vector<std::string>              paths,
1342                              Editing::ImportDisposition            disposition,
1343                              Editing::ImportMode                   mode,
1344                              ARDOUR::SrcQuality                    quality,
1345                              samplepos_t&                          pos,
1346                              int                                   target_regions,
1347                              int                                   target_tracks,
1348                              boost::shared_ptr<ARDOUR::Track>&     track,
1349                              bool                                  replace,
1350                              boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1351
1352         int embed_sndfiles (std::vector<std::string>              paths,
1353                             bool                                  multiple_files,
1354                             bool&                                 check_sample_rate,
1355                             Editing::ImportDisposition            disposition,
1356                             Editing::ImportMode                   mode,
1357                             samplepos_t&                          pos,
1358                             int                                   target_regions,
1359                             int                                   target_tracks,
1360                             boost::shared_ptr<ARDOUR::Track>&     track,
1361                             boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1362
1363         int add_sources (std::vector<std::string>              paths,
1364                          ARDOUR::SourceList&                   sources,
1365                          samplepos_t&                          pos,
1366                          Editing::ImportDisposition            disposition,
1367                          Editing::ImportMode                   mode,
1368                          int                                   target_regions,
1369                          int                                   target_tracks,
1370                          boost::shared_ptr<ARDOUR::Track>&     track,
1371                          bool                                  add_channel_suffix,
1372                          boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1373
1374         int finish_bringing_in_material (boost::shared_ptr<ARDOUR::Region>     region,
1375                                          uint32_t                              in_chans,
1376                                          uint32_t                              out_chans,
1377                                          samplepos_t&                          pos,
1378                                          Editing::ImportMode                   mode,
1379                                          boost::shared_ptr<ARDOUR::Track>&     existing_track,
1380                                          const std::string&                    new_track_name,
1381                                          boost::shared_ptr<ARDOUR::PluginInfo> instrument);
1382
1383         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1384         boost::shared_ptr<ARDOUR::MidiTrack> get_nth_selected_midi_track (int nth) const;
1385
1386         void toggle_midi_input_active (bool flip_others);
1387
1388         ARDOUR::InterThreadInfo* current_interthread_info;
1389
1390         AnalysisWindow* analysis_window;
1391
1392         /* import & embed */
1393         void external_audio_dialog ();
1394         void session_import_dialog ();
1395
1396         /* PT import specific */
1397         void external_pt_dialog ();
1398         ARDOUR::ImportStatus import_pt_status;
1399         static void*_import_pt_thread (void*);
1400         void* import_pt_thread ();
1401         PTFFormat import_ptf;
1402
1403         /* import specific info */
1404
1405         struct EditorImportStatus : public ARDOUR::ImportStatus {
1406             Editing::ImportMode mode;
1407             samplepos_t pos;
1408             int target_tracks;
1409             int target_regions;
1410             boost::shared_ptr<ARDOUR::Track> track;
1411             bool replace;
1412         };
1413
1414         EditorImportStatus import_status;
1415         static void*_import_thread (void*);
1416         void* import_thread ();
1417         void finish_import ();
1418
1419         /* to support this ... */
1420
1421         void import_audio (bool as_tracks);
1422         void do_import (std::vector<std::string> paths, bool split, bool as_tracks);
1423         void import_smf_tempo_map (Evoral::SMF const &, samplepos_t pos);
1424         void move_to_start ();
1425         void move_to_end ();
1426         void center_playhead ();
1427         void center_edit_point ();
1428         void playhead_forward_to_grid ();
1429         void playhead_backward_to_grid ();
1430         void scroll_playhead (bool forward);
1431         void scroll_backward (float pages=0.8f);
1432         void scroll_forward (float pages=0.8f);
1433         void scroll_tracks_down ();
1434         void scroll_tracks_up ();
1435         void set_mark ();
1436         void clear_markers ();
1437         void clear_ranges ();
1438         void clear_locations ();
1439         void unhide_markers ();
1440         void unhide_ranges ();
1441         void cursor_align (bool playhead_to_edit);
1442         void toggle_skip_playback ();
1443
1444         void remove_last_capture ();
1445
1446         void tag_last_capture ();
1447         void tag_selected_region ();
1448         void tag_regions (ARDOUR::RegionList);
1449
1450         void select_all_selectables_using_time_selection ();
1451         void select_all_selectables_using_loop();
1452         void select_all_selectables_using_punch();
1453         void set_selection_from_range (ARDOUR::Location&);
1454         void set_selection_from_punch ();
1455         void set_selection_from_loop ();
1456         void set_selection_from_region ();
1457
1458         void add_location_mark (samplepos_t where);
1459         void add_location_from_region ();
1460         void add_locations_from_region ();
1461         void add_location_from_selection ();
1462         void set_loop_from_selection (bool play);
1463         void set_punch_from_selection ();
1464         void set_punch_from_region ();
1465         void set_auto_punch_range();
1466
1467         void set_session_start_from_playhead ();
1468         void set_session_end_from_playhead ();
1469         void set_session_extents_from_selection ();
1470
1471         void set_loop_from_region (bool play);
1472
1473         void set_loop_range (samplepos_t start, samplepos_t end, std::string cmd);
1474         void set_punch_range (samplepos_t start, samplepos_t end, std::string cmd);
1475
1476         void toggle_location_at_playhead_cursor ();
1477         void add_location_from_playhead_cursor ();
1478         bool do_remove_location_at_playhead_cursor ();
1479         void remove_location_at_playhead_cursor ();
1480         bool select_new_marker;
1481
1482         void reverse_selection ();
1483         void edit_envelope ();
1484
1485         double last_scrub_x;
1486         int scrubbing_direction;
1487         int scrub_reversals;
1488         int scrub_reverse_distance;
1489         void scrub (samplepos_t, double);
1490
1491         void set_punch_start_from_edit_point ();
1492         void set_punch_end_from_edit_point ();
1493         void set_loop_start_from_edit_point ();
1494         void set_loop_end_from_edit_point ();
1495
1496         void keyboard_selection_begin (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE);
1497         void keyboard_selection_finish (bool add, Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE);
1498         bool have_pending_keyboard_selection;
1499         samplepos_t pending_keyboard_selection_start;
1500
1501         void move_range_selection_start_or_end_to_region_boundary (bool, bool);
1502
1503         Editing::GridType _grid_type;
1504         Editing::SnapMode _snap_mode;
1505
1506         bool ignore_gui_changes;
1507
1508         DragManager* _drags;
1509
1510         void escape ();
1511         void lock ();
1512         void unlock ();
1513         Gtk::Dialog* lock_dialog;
1514
1515         struct timeval last_event_time;
1516         bool generic_event_handler (GdkEvent*);
1517         bool lock_timeout_callback ();
1518         void start_lock_event_timing ();
1519
1520         Gtk::Menu fade_context_menu;
1521
1522         Gtk::Menu xfade_in_context_menu;
1523         Gtk::Menu xfade_out_context_menu;
1524         void popup_xfade_in_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1525         void popup_xfade_out_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1526         void fill_xfade_menu (Gtk::Menu_Helpers::MenuList& items, bool start);
1527
1528         void set_fade_in_shape (ARDOUR::FadeShape);
1529         void set_fade_out_shape (ARDOUR::FadeShape);
1530
1531         void set_fade_length (bool in);
1532         void set_fade_in_active (bool);
1533         void set_fade_out_active (bool);
1534
1535         void fade_range ();
1536
1537         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1538
1539         bool _dragging_playhead;
1540         bool _dragging_edit_point;
1541
1542         void marker_drag_motion_callback (GdkEvent*);
1543         void marker_drag_finished_callback (GdkEvent*);
1544
1545         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1546
1547         void add_region_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1548         void start_create_region_grab (ArdourCanvas::Item*, GdkEvent*);
1549         void add_region_copy_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1550         void add_region_brush_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1551         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1552
1553         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1554
1555         bool can_remove_control_point (ArdourCanvas::Item*);
1556         void remove_control_point (ArdourCanvas::Item*);
1557
1558         void mouse_brush_insert_region (RegionView*, samplepos_t pos);
1559
1560         /* Canvas event handlers */
1561
1562         bool canvas_scroll_event (GdkEventScroll* event, bool from_canvas);
1563         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1564         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1565         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1566         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1567         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1568         bool canvas_start_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1569         bool canvas_end_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1570         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1571         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1572         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1573         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1574         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1575         bool canvas_wave_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1576         bool canvas_frame_handle_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1577         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1578         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1579         bool canvas_feature_line_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*);
1580         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1581         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, ArdourMarker*);
1582         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1583         bool canvas_tempo_curve_event (GdkEvent* event,ArdourCanvas::Item*, TempoCurve*);
1584         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1585         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*);
1586         bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item*);
1587
1588         bool canvas_ruler_event (GdkEvent* event, ArdourCanvas::Item*, ItemType);
1589         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1590         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1591         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1592         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1593         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1594         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1595
1596         bool canvas_videotl_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1597         void update_video_timeline (bool flush = false);
1598         void set_video_timeline_height (const int);
1599         bool is_video_timeline_locked ();
1600         void toggle_video_timeline_locked ();
1601         void set_video_timeline_locked (const bool);
1602         void queue_visual_videotimeline_update ();
1603         void embed_audio_from_video (std::string, samplepos_t n = 0, bool lock_position_to_video = true);
1604
1605         bool track_selection_change_without_scroll () const {
1606                 return _track_selection_change_without_scroll;
1607         }
1608
1609         PBD::Signal0<void> EditorFreeze;
1610         PBD::Signal0<void> EditorThaw;
1611
1612 private:
1613         friend class DragManager;
1614         friend class EditorRouteGroups;
1615         friend class EditorRegions;
1616         friend class EditorSources;
1617
1618         /* non-public event handlers */
1619
1620         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1621         bool track_canvas_scroll (GdkEventScroll* event);
1622
1623         bool track_canvas_button_press_event (GdkEventButton* event);
1624         bool track_canvas_button_release_event (GdkEventButton* event);
1625         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1626
1627         Gtk::Allocation _canvas_viewport_allocation;
1628         void track_canvas_viewport_allocate (Gtk::Allocation alloc);
1629         void track_canvas_viewport_size_allocated ();
1630         bool track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const &, int, int, guint);
1631         bool track_canvas_key_press (GdkEventKey*);
1632         bool track_canvas_key_release (GdkEventKey*);
1633
1634         void set_playhead_cursor ();
1635
1636         void toggle_region_mute ();
1637
1638         void initialize_canvas ();
1639
1640         /* display control */
1641
1642         /// true if the editor should follow the playhead, otherwise false
1643         bool _follow_playhead;
1644         /// true if we scroll the tracks rather than the playhead
1645         bool _stationary_playhead;
1646         /// true if we are in fullscreen mode
1647         bool _maximised;
1648
1649         std::vector<ArdourCanvas::Ruler::Mark> grid_marks;
1650         GridLines* grid_lines;
1651
1652         ArdourCanvas::Container* global_rect_group;
1653         ArdourCanvas::Container* time_line_group;
1654
1655         void hide_grid_lines ();
1656         void maybe_draw_grid_lines ();
1657
1658         void new_tempo_section ();
1659
1660         void remove_tempo_marker (ArdourCanvas::Item*);
1661         void remove_meter_marker (ArdourCanvas::Item*);
1662         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1663         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1664
1665         void edit_tempo_marker (TempoMarker&);
1666         void edit_meter_marker (MeterMarker&);
1667         void edit_control_point (ArdourCanvas::Item*);
1668         void edit_notes (MidiRegionView*);
1669         void edit_region (RegionView*);
1670
1671         void edit_current_meter ();
1672         void edit_current_tempo ();
1673
1674         void marker_menu_edit ();
1675         void marker_menu_remove ();
1676         void marker_menu_rename ();
1677         void rename_marker (ArdourMarker* marker);
1678         void toggle_marker_lock_style ();
1679         void toggle_tempo_clamped ();
1680         void toggle_tempo_type ();
1681         void ramp_to_next_tempo ();
1682         void toggle_marker_menu_lock ();
1683         void toggle_marker_menu_glue ();
1684         void marker_menu_hide ();
1685         void marker_menu_set_origin ();
1686         void marker_menu_loop_range ();
1687         void marker_menu_select_all_selectables_using_range ();
1688         void marker_menu_select_using_range ();
1689         void marker_menu_separate_regions_using_location ();
1690         void marker_menu_play_from ();
1691         void marker_menu_play_range ();
1692         void marker_menu_set_playhead ();
1693         void marker_menu_set_from_playhead ();
1694         void marker_menu_set_from_selection (bool force_regions);
1695         void marker_menu_range_to_next ();
1696         void marker_menu_zoom_to_range ();
1697         void new_transport_marker_menu_set_loop ();
1698         void new_transport_marker_menu_set_punch ();
1699         void update_loop_range_view ();
1700         void update_punch_range_view ();
1701         void new_transport_marker_menu_popdown ();
1702         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1703         void tempo_or_meter_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1704         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1705         void build_range_marker_menu (ARDOUR::Location*, bool, bool);
1706         void build_marker_menu (ARDOUR::Location*);
1707         void build_tempo_marker_menu (TempoMarker*, bool);
1708         void build_meter_marker_menu (MeterMarker*, bool);
1709         void build_new_transport_marker_menu ();
1710
1711         void dynamic_cast_marker_object (void*, MeterMarker**, TempoMarker**) const;
1712
1713         Gtk::Menu* tempo_marker_menu;
1714         Gtk::Menu* meter_marker_menu;
1715         Gtk::Menu* marker_menu;
1716         Gtk::Menu* range_marker_menu;
1717         Gtk::Menu* new_transport_marker_menu;
1718         ArdourCanvas::Item* marker_menu_item;
1719
1720         typedef std::list<ArdourMarker*> Marks;
1721         Marks metric_marks;
1722
1723         typedef std::list<TempoCurve*> Curves;
1724         Curves tempo_curves;
1725
1726         void remove_metric_marks ();
1727         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1728
1729         void compute_current_bbt_points (std::vector<ARDOUR::TempoMap::BBTPoint>& grid, samplepos_t left, samplepos_t right);
1730
1731         void tempo_map_changed (const PBD::PropertyChange&);
1732         void tempometric_position_changed (const PBD::PropertyChange&);
1733
1734         void redisplay_grid (bool immediate_redraw);
1735
1736         uint32_t bbt_beat_subdivision;
1737
1738         /* toolbar */
1739
1740         Gtk::ToggleButton editor_mixer_button;
1741         Gtk::ToggleButton editor_list_button;
1742         void editor_mixer_button_toggled ();
1743         void editor_list_button_toggled ();
1744
1745         ArdourWidgets::ArdourButton   zoom_in_button;
1746         ArdourWidgets::ArdourButton   zoom_out_button;
1747         ArdourWidgets::ArdourButton   zoom_out_full_button;
1748
1749         ArdourWidgets::ArdourButton   tav_expand_button;
1750         ArdourWidgets::ArdourButton   tav_shrink_button;
1751         ArdourWidgets::ArdourDropdown visible_tracks_selector;
1752         ArdourWidgets::ArdourDropdown zoom_preset_selector;
1753
1754         int32_t                   _visible_track_count;
1755         void build_track_count_menu ();
1756         void set_visible_track_count (int32_t);
1757
1758         void set_zoom_preset(int64_t);
1759
1760         Gtk::VBox                toolbar_clock_vbox;
1761         Gtk::VBox                toolbar_selection_clock_vbox;
1762         Gtk::Table               toolbar_selection_clock_table;
1763         Gtk::Label               toolbar_selection_cursor_label;
1764
1765         ArdourWidgets::ArdourButton mouse_select_button;
1766         ArdourWidgets::ArdourButton mouse_draw_button;
1767         ArdourWidgets::ArdourButton mouse_move_button;
1768         ArdourWidgets::ArdourButton mouse_timefx_button;
1769         ArdourWidgets::ArdourButton mouse_content_button;
1770         ArdourWidgets::ArdourButton mouse_audition_button;
1771         ArdourWidgets::ArdourButton mouse_cut_button;
1772
1773         ArdourWidgets::ArdourButton smart_mode_button;
1774         Glib::RefPtr<Gtk::ToggleAction> smart_mode_action;
1775
1776         void                     mouse_mode_toggled (Editing::MouseMode m);
1777         void                     mouse_mode_object_range_toggled ();
1778         bool                     ignore_mouse_mode_toggle;
1779
1780         bool                     mouse_select_button_release (GdkEventButton*);
1781
1782         Glib::RefPtr<Gtk::Action> get_mouse_mode_action (Editing::MouseMode m) const;
1783
1784         Gtk::VBox                automation_box;
1785         Gtk::Button              automation_mode_button;
1786
1787         //edit mode menu stuff
1788         ArdourWidgets::ArdourDropdown   edit_mode_selector;
1789         void edit_mode_selection_done (ARDOUR::EditMode);
1790         void build_edit_mode_menu ();
1791         Gtk::VBox edit_mode_box;
1792
1793         void set_edit_mode (ARDOUR::EditMode);
1794         void cycle_edit_mode ();
1795
1796         ArdourWidgets::ArdourDropdown grid_type_selector;
1797         void build_grid_type_menu ();
1798
1799         ArdourWidgets::ArdourButton snap_mode_button;
1800         bool snap_mode_button_clicked (GdkEventButton*);
1801
1802         Gtk::HBox snap_box;
1803
1804         Gtk::HBox ebox_hpacker;
1805         Gtk::VBox ebox_vpacker;
1806
1807         Gtk::HBox _box;
1808
1809         std::vector<std::string> grid_type_strings;
1810         std::vector<std::string> snap_mode_strings;
1811
1812         void grid_type_selection_done (Editing::GridType);
1813         void snap_mode_selection_done (Editing::SnapMode);
1814         void snap_mode_chosen (Editing::SnapMode);
1815         void grid_type_chosen (Editing::GridType);
1816
1817         Glib::RefPtr<Gtk::RadioAction> grid_type_action (Editing::GridType);
1818         Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
1819
1820         //zoom focus meu stuff
1821         ArdourWidgets::ArdourDropdown   zoom_focus_selector;
1822         void zoom_focus_selection_done (Editing::ZoomFocus);
1823         void build_zoom_focus_menu ();
1824         std::vector<std::string> zoom_focus_strings;
1825
1826         void zoom_focus_chosen (Editing::ZoomFocus);
1827
1828         Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
1829
1830         Gtk::HBox _track_box;
1831
1832         Gtk::HBox _zoom_box;
1833         void zoom_adjustment_changed();
1834
1835         void setup_toolbar ();
1836
1837         void setup_tooltips ();
1838
1839         Gtk::HBox toolbar_hbox;
1840
1841         void setup_midi_toolbar ();
1842
1843         /* selection process */
1844
1845         Selection* selection;
1846         Selection* cut_buffer;
1847         SelectionMemento* _selection_memento;
1848
1849         void time_selection_changed ();
1850         void track_selection_changed ();
1851         void update_time_selection_display ();
1852         void presentation_info_changed (PBD::PropertyChange const &);
1853         void region_selection_changed ();
1854         sigc::connection editor_regions_selection_changed_connection;
1855         void sensitize_all_region_actions (bool);
1856         void sensitize_the_right_region_actions (bool because_canvas_crossing);
1857         bool _all_region_actions_sensitized;
1858         /** Flag to block region action handlers from doing what they normally do;
1859          *  I tried Gtk::Action::block_activate() but this doesn't work (ie it doesn't
1860          *  block) when setting a ToggleAction's active state.
1861          */
1862         bool _ignore_region_action;
1863         bool _last_region_menu_was_main;
1864         void point_selection_changed ();
1865         void marker_selection_changed ();
1866
1867         bool _track_selection_change_without_scroll;
1868         bool _editor_track_selection_change_without_scroll;
1869
1870         void cancel_selection ();
1871         void cancel_time_selection ();
1872
1873         bool get_smart_mode() const;
1874
1875         bool audio_region_selection_covers (samplepos_t where);
1876
1877         /* transport range select process */
1878
1879         ArdourCanvas::Rectangle* cd_marker_bar_drag_rect;
1880         ArdourCanvas::Rectangle* range_bar_drag_rect;
1881         ArdourCanvas::Rectangle* transport_bar_drag_rect;
1882         ArdourCanvas::Rectangle* transport_bar_range_rect;
1883         ArdourCanvas::Rectangle* transport_bar_preroll_rect;
1884         ArdourCanvas::Rectangle* transport_bar_postroll_rect;
1885         ArdourCanvas::Rectangle* transport_loop_range_rect;
1886         ArdourCanvas::Rectangle* transport_punch_range_rect;
1887         ArdourCanvas::Line*      transport_punchin_line;
1888         ArdourCanvas::Line*      transport_punchout_line;
1889         ArdourCanvas::Rectangle* transport_preroll_rect;
1890         ArdourCanvas::Rectangle* transport_postroll_rect;
1891
1892         ARDOUR::Location* transport_loop_location();
1893         ARDOUR::Location* transport_punch_location();
1894
1895         ARDOUR::Location* temp_location;
1896
1897         /* object rubberband select process */
1898
1899         void select_all_within (samplepos_t, samplepos_t, double, double, TrackViewList const &, Selection::Operation, bool);
1900
1901         ArdourCanvas::Rectangle* rubberband_rect;
1902
1903         EditorRouteGroups* _route_groups;
1904         EditorRoutes*      _routes;
1905         EditorRegions*     _regions;
1906         EditorSources*     _sources;
1907         EditorSnapshots*   _snapshots;
1908         EditorLocations*   _locations;
1909
1910         /* diskstream/route display management */
1911         Glib::RefPtr<Gdk::Pixbuf> rec_enabled_icon;
1912         Glib::RefPtr<Gdk::Pixbuf> rec_disabled_icon;
1913
1914         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1915
1916         bool sync_track_view_list_and_routes ();
1917
1918         Gtk::VBox list_vpacker;
1919
1920         /* autoscrolling */
1921
1922         sigc::connection autoscroll_connection;
1923         bool autoscroll_horizontal_allowed;
1924         bool autoscroll_vertical_allowed;
1925         uint32_t autoscroll_cnt;
1926         Gtk::Widget* autoscroll_widget;
1927         ArdourCanvas::Rect autoscroll_boundary;
1928
1929         bool autoscroll_canvas ();
1930         void start_canvas_autoscroll (bool allow_horiz, bool allow_vert, const ArdourCanvas::Rect& boundary);
1931         void stop_canvas_autoscroll ();
1932
1933         /* trimming */
1934         void point_trim (GdkEvent*, samplepos_t);
1935
1936         void trim_region_front();
1937         void trim_region_back();
1938         void trim_region (bool front);
1939
1940         void trim_region_to_loop ();
1941         void trim_region_to_punch ();
1942         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1943
1944         void trim_to_region(bool forward);
1945         void trim_region_to_previous_region_end();
1946         void trim_region_to_next_region_start();
1947
1948         bool show_gain_after_trim;
1949
1950         /* Drag-n-Drop */
1951
1952         int convert_drop_to_paths (
1953                 std::vector<std::string>&           paths,
1954                 const Glib::RefPtr<Gdk::DragContext>& context,
1955                 gint                                  x,
1956                 gint                                  y,
1957                 const Gtk::SelectionData&             data,
1958                 guint                                 info,
1959                 guint                                 time);
1960
1961         void track_canvas_drag_data_received (
1962                 const Glib::RefPtr<Gdk::DragContext>& context,
1963                 gint                                  x,
1964                 gint                                  y,
1965                 const Gtk::SelectionData&             data,
1966                 guint                                 info,
1967                 guint                                 time);
1968
1969         void drop_paths (
1970                 const Glib::RefPtr<Gdk::DragContext>& context,
1971                 gint                                  x,
1972                 gint                                  y,
1973                 const Gtk::SelectionData&             data,
1974                 guint                                 info,
1975                 guint                                 time);
1976
1977         void drop_regions (
1978                 const Glib::RefPtr<Gdk::DragContext>& context,
1979                 gint                                  x,
1980                 gint                                  y,
1981                 const Gtk::SelectionData&             data,
1982                 guint                                 info,
1983                 guint                                 time,
1984                 bool                                  from_region_list);
1985
1986         void drop_routes (
1987                 const Glib::RefPtr<Gdk::DragContext>& context,
1988                 gint                x,
1989                 gint                y,
1990                 const Gtk::SelectionData& data,
1991                 guint               info,
1992                 guint               time);
1993
1994         /* audio export */
1995
1996         int  write_region_selection(RegionSelection&);
1997         bool write_region (std::string path, boost::shared_ptr<ARDOUR::AudioRegion>);
1998         void bounce_region_selection (bool with_processing);
1999         void bounce_range_selection (bool replace, bool enable_processing);
2000         void external_edit_region ();
2001
2002         int write_audio_selection (TimeSelection&);
2003         bool write_audio_range (ARDOUR::AudioPlaylist&, const ARDOUR::ChanCount& channels, std::list<ARDOUR::AudioRange>&);
2004
2005         void write_selection ();
2006
2007         uint32_t selection_op_cmd_depth;
2008         uint32_t selection_op_history_it;
2009
2010         std::list<XMLNode*> selection_op_history; /* used in *_reversible_selection_op */
2011         std::list<XMLNode*> before; /* used in *_reversible_command */
2012
2013         void update_title ();
2014         void update_title_s (const std::string & snapshot_name);
2015
2016         void instant_save ();
2017         bool no_save_instant;
2018
2019         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
2020
2021         /* freeze operations */
2022
2023         ARDOUR::InterThreadInfo freeze_status;
2024         static void* _freeze_thread (void*);
2025         void* freeze_thread ();
2026
2027         void freeze_route ();
2028         void unfreeze_route ();
2029
2030         /* duplication */
2031
2032         void duplicate_range (bool with_dialog);
2033         void duplicate_regions (float times);
2034
2035         /** computes the timeline sample (sample) of an event whose coordinates
2036          * are in canvas units (pixels, scroll offset included).
2037          */
2038         samplepos_t canvas_event_sample (GdkEvent const*, double* px = 0, double* py = 0) const;
2039
2040         /** computes the timeline sample (sample) of an event whose coordinates
2041          * are in window units (pixels, no scroll offset).
2042          */
2043         samplepos_t window_event_sample (GdkEvent const*, double* px = 0, double* py = 0) const;
2044
2045         /* returns false if mouse pointer is not in track or marker canvas
2046          */
2047         bool mouse_sample (samplepos_t&, bool& in_track_canvas) const;
2048
2049         TimeFXDialog* current_timefx;
2050         static void* timefx_thread (void* arg);
2051         void do_timefx ();
2052
2053         int time_stretch (RegionSelection&, float fraction);
2054         int pitch_shift (RegionSelection&, float cents);
2055         void pitch_shift_region ();
2056
2057         /* editor-mixer strip */
2058
2059         MixerStrip *current_mixer_strip;
2060         bool show_editor_mixer_when_tracks_arrive;
2061         Gtk::VBox current_mixer_strip_vbox;
2062         void cms_new (boost::shared_ptr<ARDOUR::Route>);
2063         void current_mixer_strip_hidden ();
2064
2065 #ifdef __APPLE__
2066         void ensure_all_elements_drawn ();
2067 #endif
2068         /* nudging tracks */
2069
2070         void nudge_track (bool use_edit_point, bool forwards);
2071
2072         static const int32_t default_width = 995;
2073         static const int32_t default_height = 765;
2074
2075         /* nudge */
2076
2077         ArdourWidgets::ArdourButton      nudge_forward_button;
2078         ArdourWidgets::ArdourButton      nudge_backward_button;
2079         Gtk::HBox        nudge_hbox;
2080         Gtk::VBox        nudge_vbox;
2081         AudioClock*       nudge_clock;
2082
2083         bool nudge_forward_release (GdkEventButton*);
2084         bool nudge_backward_release (GdkEventButton*);
2085
2086         /* audio filters */
2087
2088         void apply_filter (ARDOUR::Filter&, std::string cmd, ProgressReporter* progress = 0);
2089
2090         Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv);
2091         void apply_midi_note_edit_op (ARDOUR::MidiOperator& op, const RegionSelection& rs);
2092
2093         /* handling cleanup */
2094
2095         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
2096
2097         PBD::ScopedConnectionList session_connections;
2098
2099         /* tracking step changes of track height */
2100
2101         TimeAxisView* current_stepping_trackview;
2102         ARDOUR::microseconds_t last_track_height_step_timestamp;
2103         gint track_height_step_timeout();
2104         sigc::connection step_timeout;
2105
2106         TimeAxisView* entered_track;
2107         /** If the mouse is over a RegionView or one of its child canvas items, this is set up
2108             to point to the RegionView.  Otherwise it is 0.
2109         */
2110         RegionView*   entered_regionview;
2111
2112         std::vector<EnterContext> _enter_stack;
2113
2114         bool clear_entered_track;
2115         bool left_track_canvas (GdkEventCrossing*);
2116         bool entered_track_canvas (GdkEventCrossing*);
2117         void set_entered_track (TimeAxisView*);
2118         void set_entered_regionview (RegionView*);
2119         gint left_automation_track ();
2120
2121         void reset_canvas_action_sensitivity (bool);
2122         void set_gain_envelope_visibility ();
2123         void set_region_gain_visibility (RegionView*);
2124         void toggle_gain_envelope_active ();
2125         void reset_region_gain_envelopes ();
2126
2127         void session_state_saved (std::string);
2128
2129         Glib::RefPtr<Gtk::Action>              undo_action;
2130         Glib::RefPtr<Gtk::Action>              redo_action;
2131         Glib::RefPtr<Gtk::Action>              alternate_redo_action;
2132         Glib::RefPtr<Gtk::Action>              alternate_alternate_redo_action;
2133         Glib::RefPtr<Gtk::Action>              selection_undo_action;
2134         Glib::RefPtr<Gtk::Action>              selection_redo_action;
2135
2136         void history_changed ();
2137
2138         Editing::EditPoint _edit_point;
2139
2140         ArdourWidgets::ArdourDropdown edit_point_selector;
2141         void build_edit_point_menu();
2142
2143         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
2144         void cycle_edit_point (bool with_marker);
2145         void set_edit_point ();
2146         void edit_point_selection_done (Editing::EditPoint);
2147         void edit_point_chosen (Editing::EditPoint);
2148         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
2149         std::vector<std::string> edit_point_strings;
2150         std::vector<std::string> edit_mode_strings;
2151
2152         void selected_marker_moved (ARDOUR::Location*);
2153
2154         bool get_edit_op_range (samplepos_t& start, samplepos_t& end) const;
2155
2156         void get_regions_at (RegionSelection&, samplepos_t where, const TrackViewList& ts) const;
2157         void get_regions_after (RegionSelection&, samplepos_t where, const TrackViewList& ts) const;
2158
2159         RegionSelection get_regions_from_selection_and_edit_point (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE,
2160                                                                    bool use_context_click = false,
2161                                                                    bool from_outside_canvas = false);
2162         RegionSelection get_regions_from_selection_and_entered () const;
2163
2164         void start_updating_meters ();
2165         void stop_updating_meters ();
2166         bool meters_running;
2167
2168         void select_next_stripable (bool routes_only = true);
2169         void select_prev_stripable (bool routes_only = true);
2170
2171         ARDOUR::MusicSample snap_to_minsec (ARDOUR::MusicSample start,
2172                                             ARDOUR::RoundMode   direction,
2173                                             ARDOUR::SnapPref    gpref);
2174
2175         ARDOUR::MusicSample snap_to_cd_frames (ARDOUR::MusicSample start,
2176                                                ARDOUR::RoundMode   direction,
2177                                                ARDOUR::SnapPref    gpref);
2178
2179         ARDOUR::MusicSample snap_to_bbt (ARDOUR::MusicSample start,
2180                                          ARDOUR::RoundMode   direction,
2181                                          ARDOUR::SnapPref    gpref);
2182
2183         ARDOUR::MusicSample snap_to_timecode (ARDOUR::MusicSample start,
2184                                               ARDOUR::RoundMode   direction,
2185                                               ARDOUR::SnapPref    gpref);
2186
2187         ARDOUR::MusicSample snap_to_grid (ARDOUR::MusicSample start,
2188                                           ARDOUR::RoundMode   direction,
2189                                           ARDOUR::SnapPref    gpref);
2190
2191         void snap_to_internal (ARDOUR::MusicSample& first,
2192                                ARDOUR::RoundMode    direction = ARDOUR::RoundNearest,
2193                                ARDOUR::SnapPref     gpref = ARDOUR::SnapToAny_Visual,
2194                                bool                 ensure_snap = false);
2195
2196         samplepos_t snap_to_marker (samplepos_t       presnap,
2197                                     ARDOUR::RoundMode direction = ARDOUR::RoundNearest);
2198
2199         RhythmFerret* rhythm_ferret;
2200
2201         void fit_tracks (TrackViewList &);
2202         void fit_selection ();
2203         void set_track_height (Height);
2204
2205         void _remove_tracks ();
2206         bool idle_remove_tracks ();
2207         void toggle_tracks_active ();
2208
2209         bool _have_idled;
2210         int resize_idle_id;
2211         static gboolean _idle_resize (gpointer);
2212         bool idle_resize();
2213         int32_t _pending_resize_amount;
2214         TimeAxisView* _pending_resize_view;
2215
2216         void visible_order_range (int*, int*) const;
2217
2218         void located ();
2219
2220         /** true if we've made a locate request that hasn't yet been processed */
2221         bool _pending_locate_request;
2222
2223         /** if true, there is a pending Session locate which is the initial one when loading a session;
2224             we need to know this so that we don't (necessarily) set the viewport to show the playhead
2225             initially.
2226         */
2227         bool _pending_initial_locate;
2228
2229         Gtk::HBox _summary_hbox;
2230         EditorSummary* _summary;
2231
2232         void region_view_added (RegionView*);
2233         void region_view_removed ();
2234
2235         EditorGroupTabs* _group_tabs;
2236         void fit_route_group (ARDOUR::RouteGroup*);
2237
2238         void step_edit_status_change (bool);
2239         void start_step_editing ();
2240         void stop_step_editing ();
2241         bool check_step_edit ();
2242         sigc::connection step_edit_connection;
2243
2244         double _last_motion_y;
2245
2246         RegionLayeringOrderEditor* layering_order_editor;
2247         void update_region_layering_order_editor ();
2248
2249         /** Track that was the source for the last cut/copy operation.  Used as a place
2250             to paste things iff there is no selected track.
2251         */
2252         TimeAxisView* _last_cut_copy_source_track;
2253
2254         /** true if a change in Selection->regions should change the selection in the region list.
2255             See EditorRegions::selection_changed.
2256         */
2257         bool _region_selection_change_updates_region_list;
2258
2259         void setup_fade_images ();
2260         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_in_images;
2261         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_out_images;
2262
2263         Gtk::MenuItem& action_menu_item (std::string const &);
2264         void action_pre_activated (Glib::RefPtr<Gtk::Action> const &);
2265
2266         MouseCursors* _cursors;
2267
2268         void follow_mixer_selection ();
2269         bool _following_mixer_selection;
2270
2271         int time_fx (ARDOUR::RegionList&, float val, bool pitching);
2272         void note_edit_done (int, EditNoteDialog*);
2273         void toggle_sound_midi_notes ();
2274
2275         /** Flag for a bit of a hack wrt control point selection; see set_selected_control_point_from_click */
2276         bool _control_point_toggled_on_press;
2277
2278         /** This is used by TimeAxisView to keep a track of the TimeAxisView that is currently being
2279             stepped in height using ScrollZoomVerticalModifier+Scrollwheel.  When a scroll event
2280             occurs, we do the step on this _stepping_axis_view if it is non-0 (and we set up this
2281             _stepping_axis_view with the TimeAxisView underneath the mouse if it is 0).  Then Editor
2282             resets _stepping_axis_view when the modifier key is released.  In this (hacky) way,
2283             pushing the modifier key and moving the scroll wheel will operate on the same track
2284             until the key is released (rather than skipping about to whatever happens to be
2285             underneath the mouse at the time).
2286         */
2287         TimeAxisView* _stepping_axis_view;
2288         void zoom_vertical_modifier_released();
2289
2290         void bring_in_callback (Gtk::Label*, uint32_t n, uint32_t total, std::string name);
2291         void update_bring_in_message (Gtk::Label* label, uint32_t n, uint32_t total, std::string name);
2292         void bring_all_sources_into_session ();
2293
2294         QuantizeDialog* quantize_dialog;
2295         MainMenuDisabler* _main_menu_disabler;
2296
2297         /* private helper functions to help with registering region actions */
2298
2299         Glib::RefPtr<Gtk::Action> register_region_action (Glib::RefPtr<Gtk::ActionGroup> group, Editing::RegionActionTarget, char const* name, char const* label, sigc::slot<void> slot);
2300         void register_toggle_region_action (Glib::RefPtr<Gtk::ActionGroup> group, Editing::RegionActionTarget, char const* name, char const* label, sigc::slot<void> slot);
2301
2302         Glib::RefPtr<Gtk::Action> reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const* name, char const* label, sigc::slot<void> slot);
2303         void toggle_reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const* name, char const* label, sigc::slot<void> slot);
2304         void radio_reg_sens (Glib::RefPtr<Gtk::ActionGroup> action_group, Gtk::RadioAction::Group& radio_group, char const* name, char const* label, sigc::slot<void> slot);
2305
2306         friend class Drag;
2307         friend class RegionCutDrag;
2308         friend class RegionDrag;
2309         friend class RegionMoveDrag;
2310         friend class RegionSpliceDrag;
2311         friend class RegionRippleDrag;
2312         friend class TrimDrag;
2313         friend class BBTRulerDrag;
2314         friend class MeterMarkerDrag;
2315         friend class TempoMarkerDrag;
2316         friend class CursorDrag;
2317         friend class FadeInDrag;
2318         friend class FadeOutDrag;
2319         friend class MarkerDrag;
2320         friend class RegionGainDrag;
2321         friend class ControlPointDrag;
2322         friend class LineDrag;
2323         friend class RubberbandSelectDrag;
2324         friend class EditorRubberbandSelectDrag;
2325         friend class TimeFXDrag;
2326         friend class ScrubDrag;
2327         friend class SelectionDrag;
2328         friend class RangeMarkerBarDrag;
2329         friend class MouseZoomDrag;
2330         friend class RegionCreateDrag;
2331         friend class RegionMotionDrag;
2332         friend class RegionInsertDrag;
2333         friend class VideoTimeLineDrag;
2334
2335         friend class EditorSummary;
2336         friend class EditorGroupTabs;
2337
2338         friend class EditorRoutes;
2339         friend class RhythmFerret;
2340 };
2341
2342 #endif /* __ardour_editor_h__ */