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/ptfformat.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 EditorRoutes;
 114 class EditorRouteGroups;
 115 class EditorSnapshots;
 116 class EditorSummary;
 117 class GUIObjectState;
 118 class ArdourMarker;
 119 class MidiRegionView;
 120 class MidiExportDialog;
 121 class MixerStrip;
 122 class MouseCursors;
 123 class NoteBase;
 124 class PlaylistSelector;
 125 class PluginSelector;
 126 class ProgressReporter;
 127 class QuantizeDialog;
 128 class RhythmFerret;
 129 class RulerDialog;
 130 class Selection;
 131 class SoundFileOmega;
 132 class StreamView;
 133 class GridLines;
 134 class TempoLines;
 135 class TimeAxisView;
 136 class TimeInfoBox;
 137 class TimeFXDialog;
 138 class TimeSelection;
 139 class RegionLayeringOrderEditor;
 140 class VerboseCursor;
 141
 142 class Editor : public PublicEditor, public PBD::ScopedConnectionList
 143 {
 144 public:
 145         Editor ();
 146         ~Editor ();
 147
 148         void             set_session (ARDOUR::Session *);
 149
 150         Gtk::Window* use_own_window (bool and_fill_it);
 151
 152         void             first_idle ();
 153         virtual bool     have_idled () const { return _have_idled; }
 154
 155         samplepos_t leftmost_sample() const { return _leftmost_sample; }
 156
 157         samplecnt_t current_page_samples() const {
 158                 return (samplecnt_t) _visible_canvas_width * samples_per_pixel;
 159         }
 160
 161         double visible_canvas_height () const {
 162                 return _visible_canvas_height;
 163         }
 164         double trackviews_height () const;
 165
 166         void cycle_snap_mode ();
 167         void next_grid_choice ();
 168         void prev_grid_choice ();
 169         void set_grid_to (Editing::GridType);
 170         void set_snap_mode (Editing::SnapMode);
 171
 172         Editing::SnapMode  snap_mode () const;
 173         Editing::GridType  grid_type () const;
 174         bool  grid_musical () const;
 175         bool  grid_nonmusical () const;
 176
 177         void undo (uint32_t n = 1);
 178         void redo (uint32_t n = 1);
 179
 180         XMLNode& get_state ();
 181         int set_state (const XMLNode&, int version);
 182
 183         void set_mouse_mode (Editing::MouseMode, bool force = false);
 184         void step_mouse_mode (bool next);
 185         Editing::MouseMode current_mouse_mode () const { return mouse_mode; }
 186         Editing::MidiEditMode current_midi_edit_mode () const;
 187         void remove_midi_note (ArdourCanvas::Item *, GdkEvent *);
 188
 189         bool internal_editing() const;
 190
 191         void foreach_time_axis_view (sigc::slot<void,TimeAxisView&>);
 192         void add_to_idle_resize (TimeAxisView*, int32_t);
 193
 194         StripableTimeAxisView* get_stripable_time_axis_by_id (const PBD::ID& id) const;
 195
 196         void consider_auditioning (boost::shared_ptr<ARDOUR::Region>);
 197         void hide_a_region (boost::shared_ptr<ARDOUR::Region>);
 198         void show_a_region (boost::shared_ptr<ARDOUR::Region>);
 199
 200 #ifdef USE_RUBBERBAND
 201         std::vector<std::string> rb_opt_strings;
 202         int rb_current_opt;
 203 #endif
 204
 205         /* things that need to be public to be used in the main menubar */
 206
 207         void new_region_from_selection ();
 208         void separate_regions_between (const TimeSelection&);
 209         void separate_region_from_selection ();
 210         void separate_under_selected_regions ();
 211         void separate_region_from_punch ();
 212         void separate_region_from_loop ();
 213         void separate_regions_using_location (ARDOUR::Location&);
 214         void transition_to_rolling (bool forward);
 215
 216         /* NOTE: these functions assume that the "pixel" coordinate is
 217            in canvas coordinates. These coordinates already take into
 218            account any scrolling offsets.
 219         */
 220
 221         samplepos_t pixel_to_sample_from_event (double pixel) const {
 222
 223                 /* pixel can be less than zero when motion events
 224                    are processed. since we've already run the world->canvas
 225                    affine, that means that the location *really* is "off
 226                    to the right" and thus really is "before the start".
 227                 */
 228
 229                 if (pixel >= 0) {
 230                         return pixel * samples_per_pixel;
 231                 } else {
 232                         return 0;
 233                 }
 234         }
 235
 236         samplepos_t pixel_to_sample (double pixel) const {
 237                 return pixel * samples_per_pixel;
 238         }
 239
 240         double sample_to_pixel (samplepos_t sample) const {
 241                 return round (sample / (double) samples_per_pixel);
 242         }
 243
 244         double sample_to_pixel_unrounded (samplepos_t sample) const {
 245                 return sample / (double) samples_per_pixel;
 246         }
 247
 248         /* selection */
 249
 250         Selection& get_selection() const { return *selection; }
 251         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
 252         Selection& get_cut_buffer() const { return *cut_buffer; }
 253
 254         void set_selection (std::list<Selectable*>, Selection::Operation);
 255
 256         bool extend_selection_to_track (TimeAxisView&);
 257
 258         void play_selection ();
 259         void maybe_locate_with_edit_preroll (samplepos_t);
 260         void play_with_preroll ();
 261         void rec_with_preroll ();
 262         void rec_with_count_in ();
 263         void select_all_in_track (Selection::Operation op);
 264         void select_all_objects (Selection::Operation op);
 265         void invert_selection_in_track ();
 266         void invert_selection ();
 267         void deselect_all ();
 268         long select_range (samplepos_t, samplepos_t);
 269
 270         void set_selected_regionview_from_region_list (boost::shared_ptr<ARDOUR::Region> region, Selection::Operation op = Selection::Set);
 271
 272         void remove_tracks ();
 273
 274         /* tempo */
 275
 276         void update_grid ();
 277
 278         /* analysis window */
 279
 280         void loudness_analyze_region_selection();
 281         void loudness_analyze_range_selection();
 282
 283         void spectral_analyze_region_selection();
 284         void spectral_analyze_range_selection();
 285
 286         /* export */
 287
 288         void export_audio ();
 289         void stem_export ();
 290         void export_selection ();
 291         void export_range ();
 292         void export_region ();
 293
 294         bool process_midi_export_dialog (MidiExportDialog& dialog, boost::shared_ptr<ARDOUR::MidiRegion> midi_region);
 295
 296         void               set_zoom_focus (Editing::ZoomFocus);
 297         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
 298         samplecnt_t         get_current_zoom () const { return samples_per_pixel; }
 299         void               cycle_zoom_focus ();
 300         void temporal_zoom_step (bool zoom_out);
 301         void temporal_zoom_step_scale (bool zoom_out, double scale);
 302         void temporal_zoom_step_mouse_focus (bool zoom_out);
 303         void temporal_zoom_step_mouse_focus_scale (bool zoom_out, double scale);
 304         void ensure_time_axis_view_is_visible (TimeAxisView const & tav, bool at_top);
 305         void tav_zoom_step (bool coarser);
 306         void tav_zoom_smooth (bool coarser, bool force_all);
 307
 308         /* stuff that AudioTimeAxisView and related classes use */
 309
 310         PlaylistSelector& playlist_selector() const;
 311         void clear_playlist (boost::shared_ptr<ARDOUR::Playlist>);
 312
 313         void new_playlists (TimeAxisView* v);
 314         void copy_playlists (TimeAxisView* v);
 315         void clear_playlists (TimeAxisView* v);
 316
 317         void get_onscreen_tracks (TrackViewList&);
 318
 319         Width editor_mixer_strip_width;
 320         void maybe_add_mixer_strip_width (XMLNode&);
 321         void show_editor_mixer (bool yn);
 322         void create_editor_mixer ();
 323         void show_editor_list (bool yn);
 324         void set_selected_mixer_strip (TimeAxisView&);
 325         void mixer_strip_width_changed ();
 326         void hide_track_in_display (TimeAxisView* tv, bool apply_to_selection = false);
 327         void show_track_in_display (TimeAxisView* tv, bool move_into_view = false);
 328         void tempo_curve_selected (ARDOUR::TempoSection* ts, bool yn);
 329
 330         /* nudge is initiated by transport controls owned by ARDOUR_UI */
 331
 332         samplecnt_t get_nudge_distance (samplepos_t pos, samplecnt_t& next);
 333         samplecnt_t get_paste_offset (samplepos_t pos, unsigned paste_count, samplecnt_t duration);
 334         unsigned get_grid_beat_divisions(samplepos_t position);
 335         Temporal::Beats get_grid_type_as_beats (bool& success, samplepos_t position);
 336
 337         int32_t get_grid_music_divisions (uint32_t event_state);
 338
 339         void nudge_forward (bool next, bool force_playhead);
 340         void nudge_backward (bool next, bool force_playhead);
 341
 342         /* nudge initiated from context menu */
 343
 344         void nudge_forward_capture_offset ();
 345         void nudge_backward_capture_offset ();
 346
 347         void sequence_regions ();
 348
 349         /* playhead/screen stuff */
 350
 351         void set_stationary_playhead (bool yn);
 352         void toggle_stationary_playhead ();
 353         bool stationary_playhead() const { return _stationary_playhead; }
 354
 355         void set_follow_playhead (bool yn, bool catch_up = true);
 356         void toggle_follow_playhead ();
 357         bool follow_playhead() const { return _follow_playhead; }
 358         bool dragging_playhead () const { return _dragging_playhead; }
 359
 360         void toggle_zero_line_visibility ();
 361         void set_summary ();
 362         void set_group_tabs ();
 363
 364         /* returns the left-most and right-most time that the gui should allow the user to scroll to */
 365         std::pair <samplepos_t,samplepos_t> session_gui_extents (bool use_extra = true) const;
 366
 367         /* fades */
 368
 369         void toggle_region_fades (int dir);
 370         void update_region_fade_visibility ();
 371
 372         /* redirect shared ops menu. caller must free returned menu */
 373
 374         Gtk::Menu* redirect_menu ();
 375
 376         /* floating windows/transient */
 377
 378         void ensure_float (Gtk::Window&);
 379
 380         void scroll_tracks_down_line ();
 381         void scroll_tracks_up_line ();
 382
 383         bool scroll_up_one_track (bool skip_child_views = false);
 384         bool scroll_down_one_track (bool skip_child_views = false);
 385
 386         void scroll_left_step ();
 387         void scroll_right_step ();
 388
 389         void scroll_left_half_page ();
 390         void scroll_right_half_page ();
 391
 392         void select_topmost_track ();
 393
 394         void prepare_for_cleanup ();
 395         void finish_cleanup ();
 396
 397         void maximise_editing_space();
 398         void restore_editing_space();
 399
 400         double get_y_origin () const;
 401         void reset_x_origin (samplepos_t);
 402         void reset_x_origin_to_follow_playhead ();
 403         void reset_y_origin (double);
 404         void reset_zoom (samplecnt_t);
 405         void reposition_and_zoom (samplepos_t, double);
 406
 407         samplepos_t get_preferred_edit_position (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE,
 408                                                 bool use_context_click = false,
 409                                                 bool from_outside_canvas = false);
 410
 411         bool update_mouse_speed ();
 412         bool decelerate_mouse_speed ();
 413
 414         void toggle_meter_updating();
 415
 416         void show_rhythm_ferret();
 417
 418         void goto_visual_state (uint32_t);
 419         void save_visual_state (uint32_t);
 420
 421         void queue_draw_resize_line (int at);
 422         void start_resize_line_ops ();
 423         void end_resize_line_ops ();
 424
 425         TrackViewList const & get_track_views () const {
 426                 return track_views;
 427         }
 428
 429         int get_regionview_count_from_region_list (boost::shared_ptr<ARDOUR::Region>);
 430
 431         void do_ptimport(std::string path, ARDOUR::SrcQuality quality);
 432
 433         void do_import (std::vector<std::string>              paths,
 434                         Editing::ImportDisposition            disposition,
 435                         Editing::ImportMode                   mode,
 436                         ARDOUR::SrcQuality                    quality,
 437                         ARDOUR::MidiTrackNameSource           mts,
 438                         ARDOUR::MidiTempoMapDisposition       mtd,
 439                         samplepos_t&                           pos,
 440                         boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
 441
 442         void do_embed (std::vector<std::string>              paths,
 443                        Editing::ImportDisposition            disposition,
 444                        Editing::ImportMode                   mode,
 445                        samplepos_t&                           pos,
 446                        boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
 447
 448         void get_regions_corresponding_to (boost::shared_ptr<ARDOUR::Region> region, std::vector<RegionView*>& regions, bool src_comparison);
 449
 450         void get_regionviews_by_id (PBD::ID const id, RegionSelection & regions) const;
 451         void get_per_region_note_selection (std::list<std::pair<PBD::ID, std::set<boost::shared_ptr<Evoral::Note<Temporal::Beats> > > > >&) const;
 452
 453         void center_screen (samplepos_t);
 454
 455         TrackViewList axis_views_from_routes (boost::shared_ptr<ARDOUR::RouteList>) const;
 456
 457         void snap_to (ARDOUR::MusicSample& first,
 458                       ARDOUR::RoundMode   direction = ARDOUR::RoundNearest,
 459                       ARDOUR::SnapPref    pref = ARDOUR::SnapToAny_Visual,
 460                       bool                ensure_snap = false);
 461
 462         void snap_to_with_modifier (ARDOUR::MusicSample& first,
 463                                     GdkEvent const *    ev,
 464                                     ARDOUR::RoundMode   direction = ARDOUR::RoundNearest,
 465                                     ARDOUR::SnapPref    pref = ARDOUR::SnapToAny_Visual);
 466
 467         void set_snapped_cursor_position (samplepos_t pos);
 468
 469         void begin_selection_op_history ();
 470         void begin_reversible_selection_op (std::string cmd_name);
 471         void commit_reversible_selection_op ();
 472         void undo_selection_op ();
 473         void redo_selection_op ();
 474         void begin_reversible_command (std::string cmd_name);
 475         void begin_reversible_command (GQuark);
 476         void abort_reversible_command ();
 477         void commit_reversible_command ();
 478
 479         DragManager* drags () const {
 480                 return _drags;
 481         }
 482
 483         void maybe_autoscroll (bool, bool, bool);
 484         bool autoscroll_active() const;
 485
 486         Gdk::Cursor* get_canvas_cursor () const;
 487
 488         void set_current_trimmable (boost::shared_ptr<ARDOUR::Trimmable>);
 489         void set_current_movable (boost::shared_ptr<ARDOUR::Movable>);
 490
 491         MouseCursors const * cursors () const {
 492                 return _cursors;
 493         }
 494
 495         VerboseCursor* verbose_cursor () const {
 496                 return _verbose_cursor;
 497         }
 498
 499         double clamp_verbose_cursor_x (double);
 500         double clamp_verbose_cursor_y (double);
 501
 502         void get_pointer_position (double &, double &) const;
 503
 504         /** Context for mouse entry (stored in a stack). */
 505         struct EnterContext {
 506                 ItemType                         item_type;
 507                 boost::shared_ptr<CursorContext> cursor_ctx;
 508         };
 509
 510         /** Get the topmost enter context for the given item type.
 511          *
 512          * This is used to change the cursor associated with a given enter context,
 513          * which may not be on the top of the stack.
 514          */
 515         EnterContext* get_enter_context(ItemType type);
 516
 517         TimeAxisView* stepping_axis_view () {
 518                 return _stepping_axis_view;
 519         }
 520
 521         void set_stepping_axis_view (TimeAxisView* v) {
 522                 _stepping_axis_view = v;
 523         }
 524
 525         ArdourCanvas::Container* get_trackview_group () const { return _trackview_group; }
 526         ArdourCanvas::Container* get_noscroll_group () const { return no_scroll_group; }
 527         ArdourCanvas::ScrollGroup* get_hscroll_group () const { return h_scroll_group; }
 528         ArdourCanvas::ScrollGroup* get_hvscroll_group () const { return hv_scroll_group; }
 529         ArdourCanvas::ScrollGroup* get_cursor_scroll_group () const { return cursor_scroll_group; }
 530         ArdourCanvas::Container* get_drag_motion_group () const { return _drag_motion_group; }
 531
 532         ArdourCanvas::GtkCanvasViewport* get_track_canvas () const;
 533
 534         void override_visible_track_count ();
 535
 536         /* Ruler metrics methods */
 537
 538         void metric_get_timecode (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 539         void metric_get_bbt (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 540         void metric_get_samples (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 541         void metric_get_minsec (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 542
 543         /* editing operations that need to be public */
 544         void mouse_add_new_marker (samplepos_t where, bool is_cd=false);
 545         void split_regions_at (ARDOUR::MusicSample, RegionSelection&);
 546         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret, bool select_new = false);
 547         RegionSelection get_regions_from_selection_and_mouse (samplepos_t);
 548
 549         void mouse_add_new_tempo_event (samplepos_t where);
 550         void mouse_add_new_meter_event (samplepos_t where);
 551         void edit_tempo_section (ARDOUR::TempoSection*);
 552         void edit_meter_section (ARDOUR::MeterSection*);
 553
 554 protected:
 555         void map_transport_state ();
 556         void map_position_change (samplepos_t);
 557         void transport_looped ();
 558
 559         void on_realize();
 560
 561         void suspend_route_redisplay ();
 562         void resume_route_redisplay ();
 563
 564 private:
 565
 566         void color_handler ();
 567
 568         bool                 constructed;
 569
 570         // to keep track of the playhead position for control_scroll
 571         boost::optional<samplepos_t> _control_scroll_target;
 572
 573         PlaylistSelector* _playlist_selector;
 574
 575         TimeInfoBox*      _time_info_box;
 576
 577         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
 578
 579         struct VisualState {
 580                 VisualState (bool with_tracks);
 581                 ~VisualState ();
 582                 double              y_position;
 583                 samplecnt_t          samples_per_pixel;
 584                 samplepos_t          _leftmost_sample;
 585                 Editing::ZoomFocus  zoom_focus;
 586                 GUIObjectState*     gui_state;
 587         };
 588
 589         std::list<VisualState*> undo_visual_stack;
 590         std::list<VisualState*> redo_visual_stack;
 591         VisualState* current_visual_state (bool with_tracks = true);
 592         void undo_visual_state ();
 593         void redo_visual_state ();
 594         void use_visual_state (VisualState&);
 595         bool no_save_visual;
 596         void swap_visual_state ();
 597
 598         std::vector<VisualState*> visual_states;
 599         void start_visual_state_op (uint32_t n);
 600         void cancel_visual_state_op (uint32_t n);
 601
 602         samplepos_t         _leftmost_sample;
 603         samplecnt_t         samples_per_pixel;
 604         Editing::ZoomFocus zoom_focus;
 605
 606         void set_samples_per_pixel (samplecnt_t);
 607         void on_samples_per_pixel_changed ();
 608
 609         Editing::MouseMode mouse_mode;
 610         Editing::GridType  pre_internal_grid_type;
 611         Editing::SnapMode  pre_internal_snap_mode;
 612         Editing::GridType  internal_grid_type;
 613         Editing::SnapMode  internal_snap_mode;
 614         Editing::MouseMode effective_mouse_mode () const;
 615
 616         enum JoinObjectRangeState {
 617                 JOIN_OBJECT_RANGE_NONE,
 618                 /** `join object/range' mode is active and the mouse is over a place where object mode should happen */
 619                 JOIN_OBJECT_RANGE_OBJECT,
 620                 /** `join object/range' mode is active and the mouse is over a place where range mode should happen */
 621                 JOIN_OBJECT_RANGE_RANGE
 622         };
 623
 624         JoinObjectRangeState _join_object_range_state;
 625
 626         void update_join_object_range_location (double);
 627
 628         boost::optional<float>  pre_notebook_shrink_pane_width;
 629
 630         Gtk::VBox _editor_list_vbox;
 631         Gtk::Notebook _the_notebook;
 632         bool _notebook_shrunk;
 633         void add_notebook_page (std::string const &, Gtk::Widget &);
 634         bool notebook_tab_clicked (GdkEventButton *, Gtk::Widget *);
 635
 636         ArdourWidgets::HPane edit_pane;
 637         ArdourWidgets::VPane editor_summary_pane;
 638
 639         Gtk::EventBox meter_base;
 640         Gtk::EventBox marker_base;
 641         Gtk::HBox     marker_box;
 642         Gtk::VBox     scrollers_rulers_markers_box;
 643
 644         void location_changed (ARDOUR::Location *);
 645         void location_flags_changed (ARDOUR::Location *);
 646         void refresh_location_display ();
 647         void refresh_location_display_internal (const ARDOUR::Locations::LocationList&);
 648         void add_new_location (ARDOUR::Location *);
 649         ArdourCanvas::Container* add_new_location_internal (ARDOUR::Location *);
 650         void location_gone (ARDOUR::Location *);
 651         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
 652         gint really_remove_marker (ARDOUR::Location* loc);
 653         void goto_nth_marker (int nth);
 654         void trigger_script (int nth);
 655         void trigger_script_by_name (const std::string script_name);
 656         void toggle_marker_lines ();
 657         void set_marker_line_visibility (bool);
 658
 659         void jump_forward_to_mark ();
 660         void jump_backward_to_mark ();
 661
 662         uint32_t location_marker_color;
 663         uint32_t location_range_color;
 664         uint32_t location_loop_color;
 665         uint32_t location_punch_color;
 666         uint32_t location_cd_marker_color;
 667
 668         struct LocationMarkers {
 669                 ArdourMarker* start;
 670                 ArdourMarker* end;
 671                 bool    valid;
 672
 673                 LocationMarkers () : start(0), end(0), valid (true) {}
 674
 675                 ~LocationMarkers ();
 676
 677                 void hide ();
 678                 void show ();
 679
 680                 void set_show_lines (bool);
 681                 void set_selected (bool);
 682                 void canvas_height_set (double);
 683                 void setup_lines ();
 684
 685                 void set_name (const std::string&);
 686                 void set_position (samplepos_t start, samplepos_t end = 0);
 687                 void set_color_rgba (uint32_t);
 688         };
 689
 690         LocationMarkers  *find_location_markers (ARDOUR::Location *) const;
 691         ARDOUR::Location* find_location_from_marker (ArdourMarker *, bool& is_start) const;
 692         ArdourMarker* find_marker_from_location_id (PBD::ID const &, bool) const;
 693         ArdourMarker* entered_marker;
 694         bool _show_marker_lines;
 695
 696         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
 697         LocationMarkerMap location_markers;
 698
 699         void update_marker_labels ();
 700         void update_marker_labels (ArdourCanvas::Container *);
 701         void check_marker_label (ArdourMarker *);
 702
 703         /** A set of lists of Markers that are in each of the canvas groups
 704          *  for the marker sections at the top of the editor.  These lists
 705          *  are kept sorted in time order between marker movements, so that after
 706          *  a marker has moved we can decide whether we need to update the labels
 707          *  for all markers or for just a few.
 708          */
 709         std::map<ArdourCanvas::Container *, std::list<ArdourMarker *> > _sorted_marker_lists;
 710         void remove_sorted_marker (ArdourMarker *);
 711
 712         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
 713         void clear_marker_display ();
 714         void mouse_add_new_range (samplepos_t);
 715         void mouse_add_new_loop (samplepos_t);
 716         void mouse_add_new_punch (samplepos_t);
 717         bool choose_new_marker_name(std::string &name);
 718         void update_cd_marker_display ();
 719         void ensure_cd_marker_updated (LocationMarkers * lam, ARDOUR::Location * location);
 720
 721         TimeAxisView*      clicked_axisview;
 722         RouteTimeAxisView* clicked_routeview;
 723         /** The last RegionView that was clicked on, or 0 if the last click was not
 724          * on a RegionView.  This is set up by the canvas event handlers in
 725          * editor_canvas_events.cc
 726          */
 727         RegionView*        clicked_regionview;
 728         RegionSelection    latest_regionviews;
 729         uint32_t           clicked_selection;
 730         ControlPoint*      clicked_control_point;
 731
 732         void sort_track_selection (TrackViewList&);
 733
 734         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*> &, PBD::PropertyID) const;
 735         RegionSelection get_equivalent_regions (RegionSelection &, PBD::PropertyID) const;
 736         RegionView* regionview_from_region (boost::shared_ptr<ARDOUR::Region>) const;
 737         RouteTimeAxisView* rtav_from_route (boost::shared_ptr<ARDOUR::Route>) const;
 738
 739         void mapover_tracks (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 740         void mapover_tracks_with_unique_playlists (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 741
 742         /* functions to be passed to mapover_tracks(), possibly with sigc::bind()-supplied arguments */
 743         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView *, std::vector<RegionView*>*) const;
 744         void mapped_use_new_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 745         void mapped_use_copy_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 746         void mapped_clear_playlist (RouteTimeAxisView&, uint32_t);
 747
 748         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
 749         bool button_release_can_deselect;
 750         bool _mouse_changed_selection;
 751
 752         void catch_vanishing_regionview (RegionView *);
 753
 754         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
 755         void select_all_tracks ();
 756         bool select_all_internal_edit (Selection::Operation);
 757
 758         bool set_selected_control_point_from_click (bool press, Selection::Operation op = Selection::Set);
 759         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
 760         void set_selected_track_as_side_effect (Selection::Operation op);
 761         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set);
 762
 763         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
 764         void collect_new_region_view (RegionView *);
 765         void collect_and_select_new_region_view (RegionView *);
 766
 767         Gtk::Menu track_context_menu;
 768         Gtk::Menu track_region_context_menu;
 769         Gtk::Menu track_selection_context_menu;
 770
 771         Gtk::MenuItem* region_edit_menu_split_item;
 772         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
 773         Gtk::Menu * track_region_edit_playlist_menu;
 774         Gtk::Menu * track_edit_playlist_submenu;
 775         Gtk::Menu * track_selection_edit_playlist_submenu;
 776
 777         GdkEvent context_click_event;
 778
 779         void popup_track_context_menu (int, int, ItemType, bool);
 780         Gtk::Menu* build_track_context_menu ();
 781         Gtk::Menu* build_track_bus_context_menu ();
 782         Gtk::Menu* build_track_region_context_menu ();
 783         Gtk::Menu* build_track_selection_context_menu ();
 784         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 785         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 786         void add_region_context_items (Gtk::Menu_Helpers::MenuList&, boost::shared_ptr<ARDOUR::Track>);
 787         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 788         Gtk::MenuItem* _popup_region_menu_item;
 789
 790         void popup_control_point_context_menu (ArdourCanvas::Item *, GdkEvent *);
 791         Gtk::Menu _control_point_context_menu;
 792
 793         void popup_note_context_menu (ArdourCanvas::Item *, GdkEvent *);
 794         Gtk::Menu _note_context_menu;
 795
 796         void add_stripables (ARDOUR::StripableList&);
 797         void add_routes (ARDOUR::RouteList&);
 798         void timeaxisview_deleted (TimeAxisView *);
 799         void add_vcas (ARDOUR::VCAList&);
 800
 801         Gtk::HBox global_hpacker;
 802         Gtk::VBox global_vpacker;
 803
 804         /* Cursor stuff.  Do not use directly, use via CursorContext. */
 805         friend class CursorContext;
 806         std::vector<Gdk::Cursor*> _cursor_stack;
 807         void set_canvas_cursor (Gdk::Cursor*);
 808         size_t push_canvas_cursor (Gdk::Cursor*);
 809         void pop_canvas_cursor ();
 810
 811         Gdk::Cursor* which_track_cursor () const;
 812         Gdk::Cursor* which_mode_cursor () const;
 813         Gdk::Cursor* which_trim_cursor (bool left_side) const;
 814         Gdk::Cursor* which_canvas_cursor (ItemType type) const;
 815
 816         /** Push the appropriate enter/cursor context on item entry. */
 817         void choose_canvas_cursor_on_entry (ItemType);
 818
 819         /** Update all enter cursors based on current settings. */
 820         void update_all_enter_cursors ();
 821
 822         ArdourCanvas::GtkCanvas* _track_canvas;
 823         ArdourCanvas::GtkCanvasViewport* _track_canvas_viewport;
 824
 825         bool within_track_canvas;
 826
 827         friend class VerboseCursor;
 828         VerboseCursor* _verbose_cursor;
 829
 830         void parameter_changed (std::string);
 831         void ui_parameter_changed (std::string);
 832
 833         Gtk::EventBox             time_bars_event_box;
 834         Gtk::VBox                 time_bars_vbox;
 835
 836         ArdourCanvas::Container      *tempo_group;
 837         ArdourCanvas::Container      *meter_group;
 838         ArdourCanvas::Container      *marker_group;
 839         ArdourCanvas::Container      *range_marker_group;
 840         ArdourCanvas::Container      *transport_marker_group;
 841         ArdourCanvas::Container*      cd_marker_group;
 842
 843         /* parent for groups which themselves contain time markers */
 844         ArdourCanvas::Container*     _time_markers_group;
 845
 846         /* The group containing all other groups that are scrolled vertically
 847            and horizontally.
 848         */
 849         ArdourCanvas::ScrollGroup* hv_scroll_group;
 850
 851         /* The group containing all other groups that are scrolled horizontally ONLY
 852         */
 853         ArdourCanvas::ScrollGroup* h_scroll_group;
 854
 855         /* Scroll group for cursors, scrolled horizontally, above everything else
 856         */
 857         ArdourCanvas::ScrollGroup* cursor_scroll_group;
 858
 859         /* The group containing all trackviews. */
 860         ArdourCanvas::Container* no_scroll_group;
 861
 862         /* The group containing all trackviews. */
 863         ArdourCanvas::Container* _trackview_group;
 864
 865         /* The group holding things (mostly regions) while dragging so they
 866          * are on top of everything else
 867          */
 868         ArdourCanvas::Container* _drag_motion_group;
 869
 870         /* a rect that sits at the bottom of all tracks to act as a drag-no-drop/clickable
 871          * target area.
 872          */
 873         ArdourCanvas::Rectangle* _canvas_drop_zone;
 874         bool canvas_drop_zone_event (GdkEvent* event);
 875
 876         enum RulerType {
 877                 ruler_metric_timecode = 0,
 878                 ruler_metric_bbt = 1,
 879                 ruler_metric_samples = 2,
 880                 ruler_metric_minsec = 3,
 881
 882                 ruler_time_tempo = 4,
 883                 ruler_time_meter = 5,
 884                 ruler_time_marker = 6,
 885                 ruler_time_range_marker = 7,
 886                 ruler_time_transport_marker = 8,
 887                 ruler_time_cd_marker = 9,
 888                 ruler_video_timeline = 10,
 889         };
 890
 891         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
 892         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
 893         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
 894         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
 895         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
 896         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
 897         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
 898         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
 899         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
 900         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
 901         bool                            no_ruler_shown_update;
 902
 903         Gtk::Widget * ruler_grabbed_widget;
 904
 905         RulerDialog* ruler_dialog;
 906
 907         void initialize_rulers ();
 908         void update_just_timecode ();
 909         void compute_fixed_ruler_scale (); //calculates the RulerScale of the fixed rulers
 910         void update_fixed_rulers ();
 911         void update_tempo_based_rulers ();
 912         void popup_ruler_menu (samplepos_t where = 0, ItemType type = RegionItem);
 913         void update_ruler_visibility ();
 914         void set_ruler_visible (RulerType, bool);
 915         void toggle_ruler_visibility (RulerType rt);
 916         void ruler_toggled (int);
 917         bool ruler_label_button_release (GdkEventButton*);
 918         void store_ruler_visibility ();
 919         void restore_ruler_visibility ();
 920         void show_rulers_for_grid ();
 921
 922         enum MinsecRulerScale {
 923                 minsec_show_msecs,
 924                 minsec_show_seconds,
 925                 minsec_show_minutes,
 926                 minsec_show_hours,
 927                 minsec_show_many_hours
 928         };
 929
 930         MinsecRulerScale minsec_ruler_scale;
 931
 932         samplecnt_t minsec_mark_interval;
 933         gint minsec_mark_modulo;
 934         gint minsec_nmarks;
 935         void set_minsec_ruler_scale (samplepos_t, samplepos_t);
 936
 937         enum TimecodeRulerScale {
 938                 timecode_show_bits,
 939                 timecode_show_samples,
 940                 timecode_show_seconds,
 941                 timecode_show_minutes,
 942                 timecode_show_hours,
 943                 timecode_show_many_hours
 944         };
 945
 946         TimecodeRulerScale timecode_ruler_scale;
 947
 948         gint timecode_mark_modulo;
 949         gint timecode_nmarks;
 950         void set_timecode_ruler_scale (samplepos_t, samplepos_t);
 951
 952         samplecnt_t _samples_ruler_interval;
 953         void set_samples_ruler_scale (samplepos_t, samplepos_t);
 954
 955         enum BBTRulerScale {
 956                 bbt_show_many,
 957                 bbt_show_64,
 958                 bbt_show_16,
 959                 bbt_show_4,
 960                 bbt_show_1,
 961                 bbt_show_quarters,
 962                 bbt_show_eighths,
 963                 bbt_show_sixteenths,
 964                 bbt_show_thirtyseconds
 965         };
 966
 967         BBTRulerScale bbt_ruler_scale;
 968
 969         uint32_t bbt_bars;
 970         gint bbt_nmarks;
 971         uint32_t bbt_bar_helper_on;
 972         uint32_t bbt_accent_modulo;
 973         void compute_bbt_ruler_scale (samplepos_t lower, samplepos_t upper);
 974
 975         ArdourCanvas::Ruler* timecode_ruler;
 976         ArdourCanvas::Ruler* bbt_ruler;
 977         ArdourCanvas::Ruler* samples_ruler;
 978         ArdourCanvas::Ruler* minsec_ruler;
 979
 980         static double timebar_height;
 981         guint32 visible_timebars;
 982         Gtk::Menu          *editor_ruler_menu;
 983
 984         ArdourCanvas::Rectangle* tempo_bar;
 985         ArdourCanvas::Rectangle* meter_bar;
 986         ArdourCanvas::Rectangle* marker_bar;
 987         ArdourCanvas::Rectangle* range_marker_bar;
 988         ArdourCanvas::Rectangle* transport_marker_bar;
 989         ArdourCanvas::Rectangle* cd_marker_bar;
 990
 991         Gtk::Label  minsec_label;
 992         Gtk::Label  bbt_label;
 993         Gtk::Label  timecode_label;
 994         Gtk::Label  samples_label;
 995         Gtk::Label  tempo_label;
 996         Gtk::Label  meter_label;
 997         Gtk::Label  mark_label;
 998         Gtk::Label  range_mark_label;
 999         Gtk::Label  transport_mark_label;
1000         Gtk::Label  cd_mark_label;
1001
1002         /* videtimline related actions */
1003         Gtk::Label                videotl_label;
1004         ArdourCanvas::Container*      videotl_group;
1005         Glib::RefPtr<Gtk::ToggleAction> ruler_video_action;
1006         Glib::RefPtr<Gtk::ToggleAction> xjadeo_proc_action;
1007         Glib::RefPtr<Gtk::ToggleAction> xjadeo_ontop_action;
1008         Glib::RefPtr<Gtk::ToggleAction> xjadeo_timecode_action;
1009         Glib::RefPtr<Gtk::ToggleAction> xjadeo_sample_action;
1010         Glib::RefPtr<Gtk::ToggleAction> xjadeo_osdbg_action;
1011         Glib::RefPtr<Gtk::ToggleAction> xjadeo_fullscreen_action;
1012         Glib::RefPtr<Gtk::ToggleAction> xjadeo_letterbox_action;
1013         Glib::RefPtr<Gtk::Action> xjadeo_zoom_100;
1014         void set_xjadeo_proc ();
1015         void toggle_xjadeo_proc (int state=-1);
1016         void set_close_video_sensitive (bool onoff);
1017         void set_xjadeo_sensitive (bool onoff);
1018         void set_xjadeo_viewoption (int);
1019         void toggle_xjadeo_viewoption (int what, int state=-1);
1020         void toggle_ruler_video (bool onoff) {ruler_video_action->set_active(onoff);}
1021         int videotl_bar_height; /* in units of timebar_height; default: 4 */
1022         int get_videotl_bar_height () const { return videotl_bar_height; }
1023         void toggle_region_video_lock ();
1024
1025         friend class EditorCursor;
1026
1027         EditorCursor* snapped_cursor;
1028
1029         EditorCursor* playhead_cursor;
1030         samplepos_t playhead_cursor_sample () const;
1031
1032         samplepos_t get_region_boundary (samplepos_t pos, int32_t dir, bool with_selection, bool only_onscreen);
1033
1034         void    cursor_to_region_boundary (bool with_selection, int32_t dir);
1035         void    cursor_to_next_region_boundary (bool with_selection);
1036         void    cursor_to_previous_region_boundary (bool with_selection);
1037         void    cursor_to_next_region_point (EditorCursor*, ARDOUR::RegionPoint);
1038         void    cursor_to_previous_region_point (EditorCursor*, ARDOUR::RegionPoint);
1039         void    cursor_to_region_point (EditorCursor*, ARDOUR::RegionPoint, int32_t dir);
1040         void    cursor_to_selection_start (EditorCursor *);
1041         void    cursor_to_selection_end   (EditorCursor *);
1042
1043         void    selected_marker_to_region_boundary (bool with_selection, int32_t dir);
1044         void    selected_marker_to_next_region_boundary (bool with_selection);
1045         void    selected_marker_to_previous_region_boundary (bool with_selection);
1046         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
1047         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
1048         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
1049         void    selected_marker_to_selection_start ();
1050         void    selected_marker_to_selection_end   ();
1051
1052         void    select_all_selectables_using_cursor (EditorCursor *, bool);
1053         void    select_all_selectables_using_edit (bool, bool);
1054         void    select_all_selectables_between (bool within);
1055         void    select_range_between ();
1056
1057         boost::shared_ptr<ARDOUR::Region> find_next_region (ARDOUR::samplepos_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
1058         ARDOUR::samplepos_t find_next_region_boundary (ARDOUR::samplepos_t, int32_t dir, const TrackViewList&);
1059
1060         std::vector<ARDOUR::samplepos_t> region_boundary_cache;
1061         void mark_region_boundary_cache_dirty () { _region_boundary_cache_dirty = true; }
1062         void build_region_boundary_cache ();
1063         bool    _region_boundary_cache_dirty;
1064
1065         Gtk::HBox           toplevel_hpacker;
1066
1067         Gtk::HBox           bottom_hbox;
1068
1069         Gtk::Table          edit_packer;
1070
1071         /** the adjustment that controls the overall editor vertical scroll position */
1072         Gtk::Adjustment     vertical_adjustment;
1073         Gtk::Adjustment     horizontal_adjustment;
1074
1075         Gtk::Adjustment     unused_adjustment; // yes, really; Gtk::Layout constructor requires refs
1076         Gtk::Layout         controls_layout;
1077         bool control_layout_scroll (GdkEventScroll* ev);
1078         void reset_controls_layout_width ();
1079         void reset_controls_layout_height (int32_t height);
1080
1081         enum Direction {
1082                 LEFT,
1083                 RIGHT,
1084                 UP,
1085                 DOWN
1086         };
1087
1088         bool scroll_press (Direction);
1089         void scroll_release ();
1090         sigc::connection _scroll_connection;
1091         int _scroll_callbacks;
1092
1093         double _visible_canvas_width;
1094         double _visible_canvas_height; ///< height of the visible area of the track canvas
1095         double _full_canvas_height;    ///< full height of the canvas
1096
1097         bool track_canvas_map_handler (GdkEventAny*);
1098
1099         bool edit_controls_button_release (GdkEventButton*);
1100         Gtk::Menu *edit_controls_left_menu;
1101         Gtk::Menu *edit_controls_right_menu;
1102
1103         Gtk::VBox           track_canvas_vbox;
1104         Gtk::VBox           edit_controls_vbox;
1105         Gtk::HBox           edit_controls_hbox;
1106
1107         void control_vertical_zoom_in_all ();
1108         void control_vertical_zoom_out_all ();
1109         void control_vertical_zoom_in_selected ();
1110         void control_vertical_zoom_out_selected ();
1111         void control_step_tracks_up ();
1112         void control_step_tracks_down ();
1113         void control_view (uint32_t);
1114         void control_scroll (float);
1115         void control_select (boost::shared_ptr<ARDOUR::Stripable>, Selection::Operation);
1116         void control_unselect ();
1117         void access_action (const std::string&, const std::string&);
1118         void set_toggleaction (const std::string&, const std::string&, bool);
1119         bool deferred_control_scroll (samplepos_t);
1120         sigc::connection control_scroll_connection;
1121
1122         void tie_vertical_scrolling ();
1123         void set_horizontal_position (double);
1124         double horizontal_position () const;
1125
1126         struct VisualChange {
1127                 enum Type {
1128                         TimeOrigin = 0x1,
1129                         ZoomLevel = 0x2,
1130                         YOrigin = 0x4,
1131                         VideoTimeline = 0x8
1132                 };
1133
1134                 Type       pending;
1135                 samplepos_t time_origin;
1136                 samplecnt_t samples_per_pixel;
1137                 double     y_origin;
1138
1139                 int idle_handler_id;
1140                 /** true if we are currently in the idle handler */
1141                 bool being_handled;
1142
1143                 VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), samples_per_pixel (0), idle_handler_id (-1), being_handled (false) {}
1144                 void add (Type t) {
1145                         pending = Type (pending | t);
1146                 }
1147         };
1148
1149         VisualChange pending_visual_change;
1150         bool visual_change_queued;
1151
1152         void pre_render ();
1153
1154         static int _idle_visual_changer (void *arg);
1155         int idle_visual_changer ();
1156         void visual_changer (const VisualChange&);
1157         void ensure_visual_change_idle_handler ();
1158
1159         /* track views */
1160         TrackViewList track_views;
1161         std::pair<TimeAxisView*, double> trackview_by_y_position (double, bool trackview_relative_offset = true) const;
1162
1163         AxisView* axis_view_by_stripable (boost::shared_ptr<ARDOUR::Stripable>) const;
1164         AxisView* axis_view_by_control (boost::shared_ptr<ARDOUR::AutomationControl>) const;
1165
1166         TimeAxisView* time_axis_view_from_stripable (boost::shared_ptr<ARDOUR::Stripable> s) const {
1167                 return dynamic_cast<TimeAxisView*> (axis_view_by_stripable (s));
1168         }
1169
1170         TrackViewList get_tracks_for_range_action () const;
1171
1172         sigc::connection super_rapid_screen_update_connection;
1173         void center_screen_internal (samplepos_t, float);
1174
1175         void super_rapid_screen_update ();
1176
1177         int64_t _last_update_time;
1178         double _err_screen_engine;
1179
1180         void session_going_away ();
1181
1182         samplepos_t cut_buffer_start;
1183         samplecnt_t cut_buffer_length;
1184
1185         boost::shared_ptr<CursorContext> _press_cursor_ctx;  ///< Button press cursor context
1186
1187         boost::weak_ptr<ARDOUR::Trimmable> _trimmable;
1188         boost::weak_ptr<ARDOUR::Movable> _movable;
1189
1190         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1191         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1192         bool button_press_handler_1 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1193         bool button_press_handler_2 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1194         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1195         bool button_double_click_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1196         bool button_press_dispatch (GdkEventButton*);
1197         bool button_release_dispatch (GdkEventButton*);
1198         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, bool from_autoscroll = false);
1199         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1200         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1201         bool key_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1202         bool key_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1203
1204         Gtkmm2ext::Bindings* button_bindings;
1205         XMLNode* button_settings () const;
1206
1207         /* KEYMAP HANDLING */
1208
1209         void register_actions ();
1210         void register_region_actions ();
1211
1212         void load_bindings ();
1213
1214         /* CUT/COPY/PASTE */
1215
1216         samplepos_t last_paste_pos;
1217         unsigned   paste_count;
1218
1219         void cut_copy (Editing::CutCopyOp);
1220         bool can_cut_copy () const;
1221         void cut_copy_points (Editing::CutCopyOp, Temporal::Beats earliest=Temporal::Beats(), bool midi=false);
1222         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1223         void cut_copy_ranges (Editing::CutCopyOp);
1224         void cut_copy_midi (Editing::CutCopyOp);
1225
1226         void mouse_paste ();
1227         void paste_internal (samplepos_t position, float times, const int32_t sub_num);
1228
1229         /* EDITING OPERATIONS */
1230
1231         void reset_point_selection ();
1232         void toggle_region_lock ();
1233         void toggle_opaque_region ();
1234         void toggle_record_enable ();
1235         void toggle_solo ();
1236         void toggle_solo_isolate ();
1237         void toggle_mute ();
1238         void toggle_region_lock_style ();
1239
1240         void play_solo_selection (bool restart);
1241
1242         enum LayerOperation {
1243                 Raise,
1244                 RaiseToTop,
1245                 Lower,
1246                 LowerToBottom
1247         };
1248
1249         void do_layer_operation (LayerOperation);
1250         void raise_region ();
1251         void raise_region_to_top ();
1252         void change_region_layering_order (bool from_context_menu);
1253         void lower_region ();
1254         void lower_region_to_bottom ();
1255         void split_region_at_transients ();
1256         void crop_region_to_selection ();
1257         void crop_region_to (samplepos_t start, samplepos_t end);
1258         void set_sync_point (samplepos_t, const RegionSelection&);
1259         void set_region_sync_position ();
1260         void remove_region_sync();
1261         void align_regions (ARDOUR::RegionPoint);
1262         void align_regions_relative (ARDOUR::RegionPoint point);
1263         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, samplepos_t position);
1264         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, samplepos_t position);
1265         void remove_selected_regions ();
1266         void remove_clicked_region ();
1267         void show_region_properties ();
1268         void show_midi_list_editor ();
1269         void rename_region ();
1270         void duplicate_some_regions (RegionSelection&, float times);
1271         void duplicate_selection (float times);
1272         void region_fill_selection ();
1273         void combine_regions ();
1274         void uncombine_regions ();
1275
1276         void region_fill_track ();
1277         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1278         void split_multichannel_region();
1279         void reverse_region ();
1280         void strip_region_silence ();
1281         void normalize_region ();
1282         void reset_region_scale_amplitude ();
1283         void adjust_region_gain (bool up);
1284         void reset_region_gain ();
1285         void quantize_region ();
1286         void quantize_regions (const RegionSelection& rs);
1287         void legatize_region (bool shrink_only);
1288         void legatize_regions (const RegionSelection& rs, bool shrink_only);
1289         void transform_region ();
1290         void transform_regions (const RegionSelection& rs);
1291         void transpose_region ();
1292         void transpose_regions (const RegionSelection& rs);
1293         void insert_patch_change (bool from_context);
1294         void fork_region ();
1295
1296         void do_insert_time ();
1297         void insert_time (samplepos_t, samplecnt_t, Editing::InsertTimeOption, bool, bool, bool, bool, bool, bool);
1298
1299         void do_remove_time ();
1300         void remove_time (samplepos_t pos, samplecnt_t distance, Editing::InsertTimeOption opt, bool ignore_music_glue, bool markers_too,
1301                         bool glued_markers_too, bool locked_markers_too, bool tempo_too);
1302
1303         void tab_to_transient (bool forward);
1304
1305         void set_tempo_from_region ();
1306         void use_range_as_bar ();
1307
1308         void define_one_bar (samplepos_t start, samplepos_t end);
1309
1310         void audition_region_from_region_list ();
1311         void hide_region_from_region_list ();
1312         void show_region_in_region_list ();
1313
1314         void naturalize_region ();
1315
1316         void split_region ();
1317
1318         void delete_ ();
1319         void cut ();
1320         void copy ();
1321         void paste (float times, bool from_context_menu);
1322
1323         void place_transient ();
1324         void remove_transient (ArdourCanvas::Item* item);
1325         void snap_regions_to_grid ();
1326         void close_region_gaps ();
1327
1328         void keyboard_paste ();
1329
1330         void region_from_selection ();
1331         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::Region> >&);
1332
1333         void play_from_start ();
1334         void play_from_edit_point ();
1335         void play_from_edit_point_and_return ();
1336         void play_selected_region ();
1337         void play_edit_range ();
1338         void play_location (ARDOUR::Location&);
1339         void loop_location (ARDOUR::Location&);
1340
1341         void calc_extra_zoom_edges(samplepos_t &start, samplepos_t &end);
1342         void temporal_zoom_selection (Editing::ZoomAxis);
1343         void temporal_zoom_session ();
1344         void temporal_zoom_extents ();
1345         void temporal_zoom (samplecnt_t samples_per_pixel);
1346         void temporal_zoom_by_sample (samplepos_t start, samplepos_t end);
1347         void temporal_zoom_to_sample (bool coarser, samplepos_t sample);
1348
1349         void insert_region_list_selection (float times);
1350
1351         /* import & embed */
1352
1353         void add_external_audio_action (Editing::ImportMode);
1354
1355         int  check_whether_and_how_to_import(std::string, bool all_or_nothing = true);
1356         bool check_multichannel_status (const std::vector<std::string>& paths);
1357
1358         SoundFileOmega* sfbrowser;
1359
1360         void bring_in_external_audio (Editing::ImportMode mode,  samplepos_t& pos);
1361
1362         bool  idle_drop_paths  (std::vector<std::string> paths, samplepos_t sample, double ypos, bool copy);
1363         void  drop_paths_part_two  (const std::vector<std::string>& paths, samplepos_t sample, double ypos, bool copy);
1364
1365         int import_sndfiles (std::vector<std::string>              paths,
1366                              Editing::ImportDisposition            disposition,
1367                              Editing::ImportMode                   mode,
1368                              ARDOUR::SrcQuality                    quality,
1369                              samplepos_t&                           pos,
1370                              int                                   target_regions,
1371                              int                                   target_tracks,
1372                              boost::shared_ptr<ARDOUR::Track>&     track,
1373                              bool                                  replace,
1374                              boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1375
1376         int embed_sndfiles (std::vector<std::string>              paths,
1377                             bool                                  multiple_files,
1378                             bool&                                 check_sample_rate,
1379                             Editing::ImportDisposition            disposition,
1380                             Editing::ImportMode                   mode,
1381                             samplepos_t&                           pos,
1382                             int                                   target_regions,
1383                             int                                   target_tracks,
1384                             boost::shared_ptr<ARDOUR::Track>&     track,
1385                             boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1386
1387         int add_sources (std::vector<std::string>              paths,
1388                          ARDOUR::SourceList&                   sources,
1389                          samplepos_t&                           pos,
1390                          Editing::ImportDisposition            disposition,
1391                          Editing::ImportMode                   mode,
1392                          int                                   target_regions,
1393                          int                                   target_tracks,
1394                          boost::shared_ptr<ARDOUR::Track>&     track,
1395                          bool                                  add_channel_suffix,
1396                          boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1397
1398         int finish_bringing_in_material (boost::shared_ptr<ARDOUR::Region>     region,
1399                                          uint32_t                              in_chans,
1400                                          uint32_t                              out_chans,
1401                                          samplepos_t&                           pos,
1402                                          Editing::ImportMode                   mode,
1403                                          boost::shared_ptr<ARDOUR::Track>&     existing_track,
1404                                          const std::string&                    new_track_name,
1405                                          boost::shared_ptr<ARDOUR::PluginInfo> instrument);
1406
1407         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1408         boost::shared_ptr<ARDOUR::MidiTrack> get_nth_selected_midi_track (int nth) const;
1409
1410         void toggle_midi_input_active (bool flip_others);
1411
1412         ARDOUR::InterThreadInfo* current_interthread_info;
1413
1414         AnalysisWindow* analysis_window;
1415
1416         /* import & embed */
1417         void external_audio_dialog ();
1418         void session_import_dialog ();
1419
1420         /* PT import specific */
1421         void external_pt_dialog ();
1422         ARDOUR::ImportStatus import_pt_status;
1423         static void *_import_pt_thread (void *);
1424         void* import_pt_thread ();
1425         PTFFormat import_ptf;
1426
1427         /* import specific info */
1428
1429         struct EditorImportStatus : public ARDOUR::ImportStatus {
1430             Editing::ImportMode mode;
1431             samplepos_t pos;
1432             int target_tracks;
1433             int target_regions;
1434             boost::shared_ptr<ARDOUR::Track> track;
1435             bool replace;
1436         };
1437
1438         EditorImportStatus import_status;
1439         static void *_import_thread (void *);
1440         void* import_thread ();
1441         void finish_import ();
1442
1443         /* to support this ... */
1444
1445         void import_audio (bool as_tracks);
1446         void do_import (std::vector<std::string> paths, bool split, bool as_tracks);
1447         void import_smf_tempo_map (Evoral::SMF const &, samplepos_t pos);
1448         void move_to_start ();
1449         void move_to_end ();
1450         void center_playhead ();
1451         void center_edit_point ();
1452         void playhead_forward_to_grid ();
1453         void playhead_backward_to_grid ();
1454         void scroll_playhead (bool forward);
1455         void scroll_backward (float pages=0.8f);
1456         void scroll_forward (float pages=0.8f);
1457         void scroll_tracks_down ();
1458         void scroll_tracks_up ();
1459         void set_mark ();
1460         void clear_markers ();
1461         void clear_ranges ();
1462         void clear_locations ();
1463         void unhide_markers ();
1464         void unhide_ranges ();
1465         void cursor_align (bool playhead_to_edit);
1466         void toggle_skip_playback ();
1467
1468         void remove_last_capture ();
1469         void select_all_selectables_using_time_selection ();
1470         void select_all_selectables_using_loop();
1471         void select_all_selectables_using_punch();
1472         void set_selection_from_range (ARDOUR::Location&);
1473         void set_selection_from_punch ();
1474         void set_selection_from_loop ();
1475         void set_selection_from_region ();
1476
1477         void add_location_mark (samplepos_t where);
1478         void add_location_from_region ();
1479         void add_locations_from_region ();
1480         void add_location_from_selection ();
1481         void set_loop_from_selection (bool play);
1482         void set_punch_from_selection ();
1483         void set_punch_from_region ();
1484         void set_auto_punch_range();
1485
1486         void set_session_start_from_playhead ();
1487         void set_session_end_from_playhead ();
1488         void set_session_extents_from_selection ();
1489
1490         void set_loop_from_region (bool play);
1491
1492         void set_loop_range (samplepos_t start, samplepos_t end, std::string cmd);
1493         void set_punch_range (samplepos_t start, samplepos_t end, std::string cmd);
1494
1495         void toggle_location_at_playhead_cursor ();
1496         void add_location_from_playhead_cursor ();
1497         bool do_remove_location_at_playhead_cursor ();
1498         void remove_location_at_playhead_cursor ();
1499         bool select_new_marker;
1500
1501         void reverse_selection ();
1502         void edit_envelope ();
1503
1504         double last_scrub_x;
1505         int scrubbing_direction;
1506         int scrub_reversals;
1507         int scrub_reverse_distance;
1508         void scrub (samplepos_t, double);
1509
1510         void set_punch_start_from_edit_point ();
1511         void set_punch_end_from_edit_point ();
1512         void set_loop_start_from_edit_point ();
1513         void set_loop_end_from_edit_point ();
1514
1515         void keyboard_selection_begin (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE);
1516         void keyboard_selection_finish (bool add, Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE);
1517         bool have_pending_keyboard_selection;
1518         samplepos_t pending_keyboard_selection_start;
1519
1520         void move_range_selection_start_or_end_to_region_boundary (bool, bool);
1521
1522         Editing::GridType _grid_type;
1523         Editing::SnapMode _snap_mode;
1524
1525         bool ignore_gui_changes;
1526
1527         DragManager* _drags;
1528
1529         void escape ();
1530         void lock ();
1531         void unlock ();
1532         Gtk::Dialog* lock_dialog;
1533
1534         struct timeval last_event_time;
1535         bool generic_event_handler (GdkEvent*);
1536         bool lock_timeout_callback ();
1537         void start_lock_event_timing ();
1538
1539         Gtk::Menu fade_context_menu;
1540
1541         Gtk::Menu xfade_in_context_menu;
1542         Gtk::Menu xfade_out_context_menu;
1543         void popup_xfade_in_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1544         void popup_xfade_out_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1545         void fill_xfade_menu (Gtk::Menu_Helpers::MenuList& items, bool start);
1546
1547         void set_fade_in_shape (ARDOUR::FadeShape);
1548         void set_fade_out_shape (ARDOUR::FadeShape);
1549
1550         void set_fade_length (bool in);
1551         void set_fade_in_active (bool);
1552         void set_fade_out_active (bool);
1553
1554         void fade_range ();
1555
1556         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1557
1558         bool _dragging_playhead;
1559         bool _dragging_edit_point;
1560
1561         void marker_drag_motion_callback (GdkEvent*);
1562         void marker_drag_finished_callback (GdkEvent*);
1563
1564         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1565
1566         void add_region_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1567         void start_create_region_grab (ArdourCanvas::Item*, GdkEvent*);
1568         void add_region_copy_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1569         void add_region_brush_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1570         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1571
1572         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1573
1574         bool can_remove_control_point (ArdourCanvas::Item *);
1575         void remove_control_point (ArdourCanvas::Item *);
1576
1577         void mouse_brush_insert_region (RegionView*, samplepos_t pos);
1578
1579         /* Canvas event handlers */
1580
1581         bool canvas_scroll_event (GdkEventScroll* event, bool from_canvas);
1582         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1583         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1584         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1585         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1586         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1587         bool canvas_start_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1588         bool canvas_end_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1589         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1590         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1591         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1592         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1593         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1594         bool canvas_wave_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1595         bool canvas_sample_handle_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1596         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1597         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1598         bool canvas_feature_line_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*);
1599         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1600         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, ArdourMarker*);
1601         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1602         bool canvas_tempo_curve_event (GdkEvent* event,ArdourCanvas::Item*, TempoCurve*);
1603         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1604         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*);
1605         bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item *);
1606
1607         bool canvas_ruler_event (GdkEvent* event, ArdourCanvas::Item *, ItemType);
1608         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1609         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1610         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1611         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1612         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1613         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1614
1615         bool canvas_videotl_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1616         void update_video_timeline (bool flush = false);
1617         void set_video_timeline_height (const int);
1618         bool is_video_timeline_locked ();
1619         void toggle_video_timeline_locked ();
1620         void set_video_timeline_locked (const bool);
1621         void queue_visual_videotimeline_update ();
1622         void embed_audio_from_video (std::string, samplepos_t n = 0, bool lock_position_to_video = true);
1623
1624         bool track_selection_change_without_scroll () const {
1625                 return _track_selection_change_without_scroll;
1626         }
1627
1628         PBD::Signal0<void> EditorFreeze;
1629         PBD::Signal0<void> EditorThaw;
1630
1631 private:
1632         friend class DragManager;
1633         friend class EditorRouteGroups;
1634         friend class EditorRegions;
1635
1636         /* non-public event handlers */
1637
1638         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1639         bool track_canvas_scroll (GdkEventScroll* event);
1640
1641         bool track_canvas_button_press_event (GdkEventButton* event);
1642         bool track_canvas_button_release_event (GdkEventButton* event);
1643         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1644
1645         Gtk::Allocation _canvas_viewport_allocation;
1646         void track_canvas_viewport_allocate (Gtk::Allocation alloc);
1647         void track_canvas_viewport_size_allocated ();
1648         bool track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const &, int, int, guint);
1649         bool track_canvas_key_press (GdkEventKey *);
1650         bool track_canvas_key_release (GdkEventKey *);
1651
1652         void set_playhead_cursor ();
1653
1654         void toggle_region_mute ();
1655
1656         void initialize_canvas ();
1657
1658         /* display control */
1659
1660         /// true if the editor should follow the playhead, otherwise false
1661         bool _follow_playhead;
1662         /// true if we scroll the tracks rather than the playhead
1663         bool _stationary_playhead;
1664         /// true if we are in fullscreen mode
1665         bool _maximised;
1666
1667         std::vector<ArdourCanvas::Ruler::Mark> grid_marks;
1668         GridLines* grid_lines;
1669
1670         ArdourCanvas::Container* global_rect_group;
1671         ArdourCanvas::Container* time_line_group;
1672
1673         void hide_grid_lines ();
1674         void maybe_draw_grid_lines ();
1675
1676         void new_tempo_section ();
1677
1678         void remove_tempo_marker (ArdourCanvas::Item*);
1679         void remove_meter_marker (ArdourCanvas::Item*);
1680         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1681         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1682
1683         void edit_tempo_marker (TempoMarker&);
1684         void edit_meter_marker (MeterMarker&);
1685         void edit_control_point (ArdourCanvas::Item*);
1686         void edit_notes (MidiRegionView*);
1687         void edit_region (RegionView*);
1688
1689         void edit_current_meter ();
1690         void edit_current_tempo ();
1691
1692         void marker_menu_edit ();
1693         void marker_menu_remove ();
1694         void marker_menu_rename ();
1695         void rename_marker (ArdourMarker *marker);
1696         void toggle_marker_lock_style ();
1697         void toggle_tempo_clamped ();
1698         void toggle_tempo_type ();
1699         void ramp_to_next_tempo ();
1700         void toggle_marker_menu_lock ();
1701         void toggle_marker_menu_glue ();
1702         void marker_menu_hide ();
1703         void marker_menu_set_origin ();
1704         void marker_menu_loop_range ();
1705         void marker_menu_select_all_selectables_using_range ();
1706         void marker_menu_select_using_range ();
1707         void marker_menu_separate_regions_using_location ();
1708         void marker_menu_play_from ();
1709         void marker_menu_play_range ();
1710         void marker_menu_set_playhead ();
1711         void marker_menu_set_from_playhead ();
1712         void marker_menu_set_from_selection (bool force_regions);
1713         void marker_menu_range_to_next ();
1714         void marker_menu_zoom_to_range ();
1715         void new_transport_marker_menu_set_loop ();
1716         void new_transport_marker_menu_set_punch ();
1717         void update_loop_range_view ();
1718         void update_punch_range_view ();
1719         void new_transport_marker_menu_popdown ();
1720         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1721         void tempo_or_meter_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1722         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1723         void build_range_marker_menu (ARDOUR::Location *, bool, bool);
1724         void build_marker_menu (ARDOUR::Location *);
1725         void build_tempo_marker_menu (TempoMarker *, bool);
1726         void build_meter_marker_menu (MeterMarker *, bool);
1727         void build_new_transport_marker_menu ();
1728         void dynamic_cast_marker_object (void*, MeterMarker**, TempoMarker**) const;
1729
1730         Gtk::Menu* tempo_marker_menu;
1731         Gtk::Menu* meter_marker_menu;
1732         Gtk::Menu* marker_menu;
1733         Gtk::Menu* range_marker_menu;
1734         Gtk::Menu* transport_marker_menu;
1735         Gtk::Menu* new_transport_marker_menu;
1736         Gtk::Menu* cd_marker_menu;
1737         ArdourCanvas::Item* marker_menu_item;
1738
1739         typedef std::list<ArdourMarker*> Marks;
1740         Marks metric_marks;
1741
1742         typedef std::list<TempoCurve*> Curves;
1743         Curves tempo_curves;
1744
1745         void remove_metric_marks ();
1746         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1747
1748         void compute_current_bbt_points (std::vector<ARDOUR::TempoMap::BBTPoint>& grid, samplepos_t left, samplepos_t right);
1749
1750         void tempo_map_changed (const PBD::PropertyChange&);
1751         void tempometric_position_changed (const PBD::PropertyChange&);
1752
1753         void redisplay_grid (bool immediate_redraw);
1754
1755         uint32_t bbt_beat_subdivision;
1756
1757         /* toolbar */
1758
1759         Gtk::ToggleButton editor_mixer_button;
1760         Gtk::ToggleButton editor_list_button;
1761         void editor_mixer_button_toggled ();
1762         void editor_list_button_toggled ();
1763
1764         ArdourWidgets::ArdourButton   zoom_in_button;
1765         ArdourWidgets::ArdourButton   zoom_out_button;
1766         ArdourWidgets::ArdourButton   zoom_out_full_button;
1767
1768         ArdourWidgets::ArdourButton   tav_expand_button;
1769         ArdourWidgets::ArdourButton   tav_shrink_button;
1770         ArdourWidgets::ArdourDropdown visible_tracks_selector;
1771         ArdourWidgets::ArdourDropdown zoom_preset_selector;
1772
1773         int32_t                   _visible_track_count;
1774         void build_track_count_menu ();
1775         void set_visible_track_count (int32_t);
1776
1777         void set_zoom_preset(int64_t);
1778
1779         Gtk::VBox                toolbar_clock_vbox;
1780         Gtk::VBox                toolbar_selection_clock_vbox;
1781         Gtk::Table               toolbar_selection_clock_table;
1782         Gtk::Label               toolbar_selection_cursor_label;
1783
1784         ArdourWidgets::ArdourButton mouse_select_button;
1785         ArdourWidgets::ArdourButton mouse_draw_button;
1786         ArdourWidgets::ArdourButton mouse_move_button;
1787         ArdourWidgets::ArdourButton mouse_timefx_button;
1788         ArdourWidgets::ArdourButton mouse_content_button;
1789         ArdourWidgets::ArdourButton mouse_audition_button;
1790         ArdourWidgets::ArdourButton mouse_cut_button;
1791
1792         ArdourWidgets::ArdourButton smart_mode_button;
1793         Glib::RefPtr<Gtk::ToggleAction> smart_mode_action;
1794
1795         void                     mouse_mode_toggled (Editing::MouseMode m);
1796         void                     mouse_mode_object_range_toggled ();
1797         bool                     ignore_mouse_mode_toggle;
1798
1799         bool                     mouse_select_button_release (GdkEventButton*);
1800
1801         Glib::RefPtr<Gtk::Action> get_mouse_mode_action (Editing::MouseMode m) const;
1802
1803         Gtk::VBox                automation_box;
1804         Gtk::Button              automation_mode_button;
1805
1806         //edit mode menu stuff
1807         ArdourWidgets::ArdourDropdown   edit_mode_selector;
1808         void edit_mode_selection_done (ARDOUR::EditMode);
1809         void build_edit_mode_menu ();
1810         Gtk::VBox edit_mode_box;
1811
1812         void set_edit_mode (ARDOUR::EditMode);
1813         void cycle_edit_mode ();
1814
1815         ArdourWidgets::ArdourDropdown grid_type_selector;
1816         void build_grid_type_menu ();
1817
1818         ArdourWidgets::ArdourButton snap_mode_button;
1819         bool snap_mode_button_clicked (GdkEventButton *);
1820
1821         Gtk::HBox snap_box;
1822
1823         Gtk::HBox ebox_hpacker;
1824         Gtk::VBox ebox_vpacker;
1825
1826         Gtk::HBox _box;
1827
1828         std::vector<std::string> grid_type_strings;
1829         std::vector<std::string> snap_mode_strings;
1830
1831         void grid_type_selection_done (Editing::GridType);
1832         void snap_mode_selection_done (Editing::SnapMode);
1833         void snap_mode_chosen (Editing::SnapMode);
1834         void grid_type_chosen (Editing::GridType);
1835
1836         Glib::RefPtr<Gtk::RadioAction> grid_type_action (Editing::GridType);
1837         Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
1838
1839         //zoom focus meu stuff
1840         ArdourWidgets::ArdourDropdown   zoom_focus_selector;
1841         void zoom_focus_selection_done (Editing::ZoomFocus);
1842         void build_zoom_focus_menu ();
1843         std::vector<std::string> zoom_focus_strings;
1844
1845         void zoom_focus_chosen (Editing::ZoomFocus);
1846
1847         Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
1848
1849         Gtk::HBox _track_box;
1850
1851         Gtk::HBox _zoom_box;
1852         void zoom_adjustment_changed();
1853
1854         void setup_toolbar ();
1855
1856         void setup_tooltips ();
1857
1858         Gtk::HBox toolbar_hbox;
1859
1860         void setup_midi_toolbar ();
1861
1862         /* selection process */
1863
1864         Selection* selection;
1865         Selection* cut_buffer;
1866         SelectionMemento* _selection_memento;
1867
1868         void time_selection_changed ();
1869         void track_selection_changed ();
1870         void update_time_selection_display ();
1871         void presentation_info_changed (PBD::PropertyChange const &);
1872         void region_selection_changed ();
1873         sigc::connection editor_regions_selection_changed_connection;
1874         void sensitize_all_region_actions (bool);
1875         void sensitize_the_right_region_actions (bool because_canvas_crossing);
1876         bool _all_region_actions_sensitized;
1877         /** Flag to block region action handlers from doing what they normally do;
1878          *  I tried Gtk::Action::block_activate() but this doesn't work (ie it doesn't
1879          *  block) when setting a ToggleAction's active state.
1880          */
1881         bool _ignore_region_action;
1882         bool _last_region_menu_was_main;
1883         void point_selection_changed ();
1884         void marker_selection_changed ();
1885
1886         bool _track_selection_change_without_scroll;
1887         bool _editor_track_selection_change_without_scroll;
1888
1889         void cancel_selection ();
1890         void cancel_time_selection ();
1891
1892         bool get_smart_mode() const;
1893
1894         bool audio_region_selection_covers (samplepos_t where);
1895
1896         /* transport range select process */
1897
1898         ArdourCanvas::Rectangle* cd_marker_bar_drag_rect;
1899         ArdourCanvas::Rectangle* range_bar_drag_rect;
1900         ArdourCanvas::Rectangle* transport_bar_drag_rect;
1901         ArdourCanvas::Rectangle* transport_bar_range_rect;
1902         ArdourCanvas::Rectangle* transport_bar_preroll_rect;
1903         ArdourCanvas::Rectangle* transport_bar_postroll_rect;
1904         ArdourCanvas::Rectangle* transport_loop_range_rect;
1905         ArdourCanvas::Rectangle* transport_punch_range_rect;
1906         ArdourCanvas::Line*      transport_punchin_line;
1907         ArdourCanvas::Line*      transport_punchout_line;
1908         ArdourCanvas::Rectangle* transport_preroll_rect;
1909         ArdourCanvas::Rectangle* transport_postroll_rect;
1910
1911         ARDOUR::Location* transport_loop_location();
1912         ARDOUR::Location* transport_punch_location();
1913
1914         ARDOUR::Location* temp_location;
1915
1916         /* object rubberband select process */
1917
1918         void select_all_within (samplepos_t, samplepos_t, double, double, TrackViewList const &, Selection::Operation, bool);
1919
1920         ArdourCanvas::Rectangle* rubberband_rect;
1921
1922         EditorRouteGroups* _route_groups;
1923         EditorRoutes*      _routes;
1924         EditorRegions*     _regions;
1925         EditorSnapshots*   _snapshots;
1926         EditorLocations*   _locations;
1927
1928         /* diskstream/route display management */
1929         Glib::RefPtr<Gdk::Pixbuf> rec_enabled_icon;
1930         Glib::RefPtr<Gdk::Pixbuf> rec_disabled_icon;
1931
1932         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1933
1934         bool sync_track_view_list_and_routes ();
1935
1936         Gtk::VBox list_vpacker;
1937
1938         /* autoscrolling */
1939
1940         sigc::connection autoscroll_connection;
1941         bool autoscroll_horizontal_allowed;
1942         bool autoscroll_vertical_allowed;
1943         uint32_t autoscroll_cnt;
1944         Gtk::Widget* autoscroll_widget;
1945         ArdourCanvas::Rect autoscroll_boundary;
1946
1947         bool autoscroll_canvas ();
1948         void start_canvas_autoscroll (bool allow_horiz, bool allow_vert, const ArdourCanvas::Rect& boundary);
1949         void stop_canvas_autoscroll ();
1950
1951         /* trimming */
1952         void point_trim (GdkEvent *, samplepos_t);
1953
1954         void trim_region_front();
1955         void trim_region_back();
1956         void trim_region (bool front);
1957
1958         void trim_region_to_loop ();
1959         void trim_region_to_punch ();
1960         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1961
1962         void trim_to_region(bool forward);
1963         void trim_region_to_previous_region_end();
1964         void trim_region_to_next_region_start();
1965
1966         bool show_gain_after_trim;
1967
1968         /* Drag-n-Drop */
1969
1970         int convert_drop_to_paths (
1971                 std::vector<std::string>&           paths,
1972                 const Glib::RefPtr<Gdk::DragContext>& context,
1973                 gint                                  x,
1974                 gint                                  y,
1975                 const Gtk::SelectionData&             data,
1976                 guint                                 info,
1977                 guint                                 time);
1978
1979         void track_canvas_drag_data_received (
1980                 const Glib::RefPtr<Gdk::DragContext>& context,
1981                 gint                                  x,
1982                 gint                                  y,
1983                 const Gtk::SelectionData&             data,
1984                 guint                                 info,
1985                 guint                                 time);
1986
1987         void drop_paths (
1988                 const Glib::RefPtr<Gdk::DragContext>& context,
1989                 gint                                  x,
1990                 gint                                  y,
1991                 const Gtk::SelectionData&             data,
1992                 guint                                 info,
1993                 guint                                 time);
1994
1995         void drop_regions (
1996                 const Glib::RefPtr<Gdk::DragContext>& context,
1997                 gint                                  x,
1998                 gint                                  y,
1999                 const Gtk::SelectionData&             data,
2000                 guint                                 info,
2001                 guint                                 time);
2002
2003         void drop_routes (
2004                 const Glib::RefPtr<Gdk::DragContext>& context,
2005                 gint                x,
2006                 gint                y,
2007                 const Gtk::SelectionData& data,
2008                 guint               info,
2009                 guint               time);
2010
2011         /* audio export */
2012
2013         int  write_region_selection(RegionSelection&);
2014         bool write_region (std::string path, boost::shared_ptr<ARDOUR::AudioRegion>);
2015         void bounce_region_selection (bool with_processing);
2016         void bounce_range_selection (bool replace, bool enable_processing);
2017         void external_edit_region ();
2018
2019         int write_audio_selection (TimeSelection&);
2020         bool write_audio_range (ARDOUR::AudioPlaylist&, const ARDOUR::ChanCount& channels, std::list<ARDOUR::AudioRange>&);
2021
2022         void write_selection ();
2023
2024         uint32_t selection_op_cmd_depth;
2025         uint32_t selection_op_history_it;
2026
2027         std::list<XMLNode *> selection_op_history; /* used in *_reversible_selection_op */
2028         std::list<XMLNode *> before; /* used in *_reversible_command */
2029
2030         void update_title ();
2031         void update_title_s (const std::string & snapshot_name);
2032
2033         void instant_save ();
2034         bool no_save_instant;
2035
2036         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
2037
2038         /* freeze operations */
2039
2040         ARDOUR::InterThreadInfo freeze_status;
2041         static void* _freeze_thread (void*);
2042         void* freeze_thread ();
2043
2044         void freeze_route ();
2045         void unfreeze_route ();
2046
2047         /* duplication */
2048
2049         void duplicate_range (bool with_dialog);
2050         void duplicate_regions (float times);
2051
2052         /** computes the timeline sample (sample) of an event whose coordinates
2053          * are in canvas units (pixels, scroll offset included).
2054          */
2055         samplepos_t canvas_event_sample (GdkEvent const *, double* px = 0, double* py = 0) const;
2056
2057         /** computes the timeline sample (sample) of an event whose coordinates
2058          * are in window units (pixels, no scroll offset).
2059          */
2060         samplepos_t window_event_sample (GdkEvent const *, double* px = 0, double* py = 0) const;
2061
2062         /* returns false if mouse pointer is not in track or marker canvas
2063          */
2064         bool mouse_sample (samplepos_t&, bool& in_track_canvas) const;
2065
2066         TimeFXDialog* current_timefx;
2067         static void* timefx_thread (void *arg);
2068         void do_timefx ();
2069
2070         int time_stretch (RegionSelection&, float fraction);
2071         int pitch_shift (RegionSelection&, float cents);
2072         void pitch_shift_region ();
2073
2074         /* editor-mixer strip */
2075
2076         MixerStrip *current_mixer_strip;
2077         bool show_editor_mixer_when_tracks_arrive;
2078         Gtk::VBox current_mixer_strip_vbox;
2079         void cms_new (boost::shared_ptr<ARDOUR::Route>);
2080         void current_mixer_strip_hidden ();
2081
2082 #ifdef __APPLE__
2083         void ensure_all_elements_drawn ();
2084 #endif
2085         /* nudging tracks */
2086
2087         void nudge_track (bool use_edit_point, bool forwards);
2088
2089         static const int32_t default_width = 995;
2090         static const int32_t default_height = 765;
2091
2092         /* nudge */
2093
2094         ArdourWidgets::ArdourButton      nudge_forward_button;
2095         ArdourWidgets::ArdourButton      nudge_backward_button;
2096         Gtk::HBox        nudge_hbox;
2097         Gtk::VBox        nudge_vbox;
2098         AudioClock*       nudge_clock;
2099
2100         bool nudge_forward_release (GdkEventButton*);
2101         bool nudge_backward_release (GdkEventButton*);
2102
2103         /* audio filters */
2104
2105         void apply_filter (ARDOUR::Filter&, std::string cmd, ProgressReporter* progress = 0);
2106
2107         Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv);
2108         void apply_midi_note_edit_op (ARDOUR::MidiOperator& op, const RegionSelection& rs);
2109
2110         /* handling cleanup */
2111
2112         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
2113
2114         PBD::ScopedConnectionList session_connections;
2115
2116         /* tracking step changes of track height */
2117
2118         TimeAxisView* current_stepping_trackview;
2119         ARDOUR::microseconds_t last_track_height_step_timestamp;
2120         gint track_height_step_timeout();
2121         sigc::connection step_timeout;
2122
2123         TimeAxisView* entered_track;
2124         /** If the mouse is over a RegionView or one of its child canvas items, this is set up
2125             to point to the RegionView.  Otherwise it is 0.
2126         */
2127         RegionView*   entered_regionview;
2128
2129         std::vector<EnterContext> _enter_stack;
2130
2131         bool clear_entered_track;
2132         bool left_track_canvas (GdkEventCrossing*);
2133         bool entered_track_canvas (GdkEventCrossing*);
2134         void set_entered_track (TimeAxisView*);
2135         void set_entered_regionview (RegionView*);
2136         gint left_automation_track ();
2137
2138         void reset_canvas_action_sensitivity (bool);
2139         void set_gain_envelope_visibility ();
2140         void set_region_gain_visibility (RegionView*);
2141         void toggle_gain_envelope_active ();
2142         void reset_region_gain_envelopes ();
2143
2144         void session_state_saved (std::string);
2145
2146         Glib::RefPtr<Gtk::Action>              undo_action;
2147         Glib::RefPtr<Gtk::Action>              redo_action;
2148         Glib::RefPtr<Gtk::Action>              alternate_redo_action;
2149         Glib::RefPtr<Gtk::Action>              alternate_alternate_redo_action;
2150         Glib::RefPtr<Gtk::Action>              selection_undo_action;
2151         Glib::RefPtr<Gtk::Action>              selection_redo_action;
2152
2153         void history_changed ();
2154
2155         Editing::EditPoint _edit_point;
2156
2157         ArdourWidgets::ArdourDropdown edit_point_selector;
2158         void build_edit_point_menu();
2159
2160         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
2161         void cycle_edit_point (bool with_marker);
2162         void set_edit_point ();
2163         void edit_point_selection_done (Editing::EditPoint);
2164         void edit_point_chosen (Editing::EditPoint);
2165         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
2166         std::vector<std::string> edit_point_strings;
2167         std::vector<std::string> edit_mode_strings;
2168
2169         void selected_marker_moved (ARDOUR::Location*);
2170
2171         bool get_edit_op_range (samplepos_t& start, samplepos_t& end) const;
2172
2173         void get_regions_at (RegionSelection&, samplepos_t where, const TrackViewList& ts) const;
2174         void get_regions_after (RegionSelection&, samplepos_t where, const TrackViewList& ts) const;
2175
2176         RegionSelection get_regions_from_selection_and_edit_point (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE,
2177                                                                    bool use_context_click = false,
2178                                                                    bool from_outside_canvas = false);
2179         RegionSelection get_regions_from_selection_and_entered () const;
2180
2181         void start_updating_meters ();
2182         void stop_updating_meters ();
2183         bool meters_running;
2184
2185         void select_next_stripable (bool routes_only = true);
2186         void select_prev_stripable (bool routes_only = true);
2187
2188         ARDOUR::MusicSample snap_to_minsec (ARDOUR::MusicSample start,
2189                                             ARDOUR::RoundMode   direction,
2190                                             ARDOUR::SnapPref    gpref);
2191
2192         ARDOUR::MusicSample snap_to_cd_frames (ARDOUR::MusicSample start,
2193                                                ARDOUR::RoundMode   direction,
2194                                                ARDOUR::SnapPref    gpref);
2195
2196         ARDOUR::MusicSample snap_to_bbt (ARDOUR::MusicSample start,
2197                                          ARDOUR::RoundMode   direction,
2198                                          ARDOUR::SnapPref    gpref);
2199
2200         ARDOUR::MusicSample snap_to_timecode (ARDOUR::MusicSample start,
2201                                               ARDOUR::RoundMode   direction,
2202                                               ARDOUR::SnapPref    gpref);
2203
2204         ARDOUR::MusicSample snap_to_grid (ARDOUR::MusicSample start,
2205                                           ARDOUR::RoundMode   direction,
2206                                           ARDOUR::SnapPref    gpref);
2207
2208         void snap_to_internal (ARDOUR::MusicSample& first,
2209                                ARDOUR::RoundMode   direction = ARDOUR::RoundNearest,
2210                                ARDOUR::SnapPref    gpref = ARDOUR::SnapToAny_Visual,
2211                                bool                ensure_snap = false);
2212
2213         samplepos_t snap_to_marker (samplepos_t        presnap,
2214                                     ARDOUR::RoundMode   direction = ARDOUR::RoundNearest);
2215
2216         RhythmFerret* rhythm_ferret;
2217
2218         void fit_tracks (TrackViewList &);
2219         void fit_selection ();
2220         void set_track_height (Height);
2221
2222         void _remove_tracks ();
2223         bool idle_remove_tracks ();
2224         void toggle_tracks_active ();
2225
2226         bool _have_idled;
2227         int resize_idle_id;
2228         static gboolean _idle_resize (gpointer);
2229         bool idle_resize();
2230         int32_t _pending_resize_amount;
2231         TimeAxisView* _pending_resize_view;
2232
2233         void visible_order_range (int*, int*) const;
2234
2235         void located ();
2236
2237         /** true if we've made a locate request that hasn't yet been processed */
2238         bool _pending_locate_request;
2239
2240         /** if true, there is a pending Session locate which is the initial one when loading a session;
2241             we need to know this so that we don't (necessarily) set the viewport to show the playhead
2242             initially.
2243         */
2244         bool _pending_initial_locate;
2245
2246         Gtk::HBox _summary_hbox;
2247         EditorSummary* _summary;
2248
2249         void region_view_added (RegionView *);
2250         void region_view_removed ();
2251
2252         EditorGroupTabs* _group_tabs;
2253         void fit_route_group (ARDOUR::RouteGroup *);
2254
2255         void step_edit_status_change (bool);
2256         void start_step_editing ();
2257         void stop_step_editing ();
2258         bool check_step_edit ();
2259         sigc::connection step_edit_connection;
2260
2261         double _last_motion_y;
2262
2263         RegionLayeringOrderEditor* layering_order_editor;
2264         void update_region_layering_order_editor ();
2265
2266         /** Track that was the source for the last cut/copy operation.  Used as a place
2267             to paste things iff there is no selected track.
2268         */
2269         TimeAxisView* _last_cut_copy_source_track;
2270
2271         /** true if a change in Selection->regions should change the selection in the region list.
2272             See EditorRegions::selection_changed.
2273         */
2274         bool _region_selection_change_updates_region_list;
2275
2276         void setup_fade_images ();
2277         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_in_images;
2278         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_out_images;
2279
2280         Gtk::MenuItem& action_menu_item (std::string const &);
2281         void action_pre_activated (Glib::RefPtr<Gtk::Action> const &);
2282
2283         MouseCursors* _cursors;
2284
2285         void follow_mixer_selection ();
2286         bool _following_mixer_selection;
2287
2288         int time_fx (ARDOUR::RegionList&, float val, bool pitching);
2289         void note_edit_done (int, EditNoteDialog*);
2290         void toggle_sound_midi_notes ();
2291
2292         /** Flag for a bit of a hack wrt control point selection; see set_selected_control_point_from_click */
2293         bool _control_point_toggled_on_press;
2294
2295         /** This is used by TimeAxisView to keep a track of the TimeAxisView that is currently being
2296             stepped in height using ScrollZoomVerticalModifier+Scrollwheel.  When a scroll event
2297             occurs, we do the step on this _stepping_axis_view if it is non-0 (and we set up this
2298             _stepping_axis_view with the TimeAxisView underneath the mouse if it is 0).  Then Editor
2299             resets _stepping_axis_view when the modifier key is released.  In this (hacky) way,
2300             pushing the modifier key and moving the scroll wheel will operate on the same track
2301             until the key is released (rather than skipping about to whatever happens to be
2302             underneath the mouse at the time).
2303         */
2304         TimeAxisView* _stepping_axis_view;
2305         void zoom_vertical_modifier_released();
2306
2307         void bring_in_callback (Gtk::Label*, uint32_t n, uint32_t total, std::string name);
2308         void update_bring_in_message (Gtk::Label* label, uint32_t n, uint32_t total, std::string name);
2309         void bring_all_sources_into_session ();
2310
2311         QuantizeDialog* quantize_dialog;
2312         MainMenuDisabler* _main_menu_disabler;
2313
2314         /* private helper functions to help with registering region actions */
2315
2316         Glib::RefPtr<Gtk::Action> register_region_action (Glib::RefPtr<Gtk::ActionGroup> group, Editing::RegionActionTarget, char const * name, char const * label, sigc::slot<void> slot);
2317         void register_toggle_region_action (Glib::RefPtr<Gtk::ActionGroup> group, Editing::RegionActionTarget, char const * name, char const * label, sigc::slot<void> slot);
2318
2319         Glib::RefPtr<Gtk::Action> reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const * name, char const * label, sigc::slot<void> slot);
2320         void toggle_reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const * name, char const * label, sigc::slot<void> slot);
2321         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);
2322
2323         friend class Drag;
2324         friend class RegionCutDrag;
2325         friend class RegionDrag;
2326         friend class RegionMoveDrag;
2327         friend class RegionSpliceDrag;
2328         friend class RegionRippleDrag;
2329         friend class TrimDrag;
2330         friend class BBTRulerDrag;
2331         friend class MeterMarkerDrag;
2332         friend class TempoMarkerDrag;
2333         friend class CursorDrag;
2334         friend class FadeInDrag;
2335         friend class FadeOutDrag;
2336         friend class MarkerDrag;
2337         friend class RegionGainDrag;
2338         friend class ControlPointDrag;
2339         friend class LineDrag;
2340         friend class RubberbandSelectDrag;
2341         friend class EditorRubberbandSelectDrag;
2342         friend class TimeFXDrag;
2343         friend class ScrubDrag;
2344         friend class SelectionDrag;
2345         friend class RangeMarkerBarDrag;
2346         friend class MouseZoomDrag;
2347         friend class RegionCreateDrag;
2348         friend class RegionMotionDrag;
2349         friend class RegionInsertDrag;
2350         friend class VideoTimeLineDrag;
2351
2352         friend class EditorSummary;
2353         friend class EditorGroupTabs;
2354
2355         friend class EditorRoutes;
2356         friend class RhythmFerret;
2357 };
2358
2359 #endif /* __ardour_editor_h__ */