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 namespace Gtkmm2ext {
  65         class Bindings;
  66 }
  67
  68 namespace Evoral {
  69         class SMF;
  70 }
  71
  72 namespace ARDOUR {
  73         class AudioPlaylist;
  74         class AudioRegion;
  75         class AudioTrack;
  76         class ChanCount;
  77         class Filter;
  78         class Location;
  79         class MidiOperator;
  80         class MidiRegion;
  81         class MidiTrack;
  82         class Playlist;
  83         class Region;
  84         class RouteGroup;
  85         class Session;
  86         class TempoSection;
  87         class Track;
  88 }
  89
  90 namespace LADSPA {
  91         class Plugin;
  92 }
  93
  94 class AnalysisWindow;
  95 class AudioClock;
  96 class AudioRegionView;
  97 class AudioStreamView;
  98 class AudioTimeAxisView;
  99 class AutomationLine;
 100 class AutomationSelection;
 101 class AutomationTimeAxisView;
 102 class BundleManager;
 103 class ControlPoint;
 104 class CursorContext;
 105 class DragManager;
 106 class EditNoteDialog;
 107 class EditorCursor;
 108 class EditorGroupTabs;
 109 class EditorLocations;
 110 class EditorRegions;
 111 class EditorRoutes;
 112 class EditorRouteGroups;
 113 class EditorSnapshots;
 114 class EditorSummary;
 115 class GUIObjectState;
 116 class ArdourMarker;
 117 class MidiRegionView;
 118 class MidiExportDialog;
 119 class MixerStrip;
 120 class MouseCursors;
 121 class NoteBase;
 122 class PlaylistSelector;
 123 class PluginSelector;
 124 class ProgressReporter;
 125 class QuantizeDialog;
 126 class RhythmFerret;
 127 class RulerDialog;
 128 class Selection;
 129 class SoundFileOmega;
 130 class StreamView;
 131 class GridLines;
 132 class TempoLines;
 133 class TimeAxisView;
 134 class TimeInfoBox;
 135 class TimeFXDialog;
 136 class TimeSelection;
 137 class RegionLayeringOrderEditor;
 138 class VerboseCursor;
 139
 140 class Editor : public PublicEditor, public PBD::ScopedConnectionList
 141 {
 142 public:
 143         Editor ();
 144         ~Editor ();
 145
 146         void             set_session (ARDOUR::Session *);
 147
 148         Gtk::Window* use_own_window (bool and_fill_it);
 149
 150         void             first_idle ();
 151         virtual bool     have_idled () const { return _have_idled; }
 152
 153         samplepos_t leftmost_sample() const { return _leftmost_sample; }
 154
 155         samplecnt_t current_page_samples() const {
 156                 return (samplecnt_t) _visible_canvas_width * samples_per_pixel;
 157         }
 158
 159         double visible_canvas_height () const {
 160                 return _visible_canvas_height;
 161         }
 162         double trackviews_height () const;
 163
 164         void cycle_snap_mode ();
 165         void next_grid_choice ();
 166         void prev_grid_choice ();
 167         void set_grid_to (Editing::GridType);
 168         void set_snap_mode (Editing::SnapMode);
 169
 170         Editing::SnapMode  snap_mode () const;
 171         Editing::GridType  grid_type () const;
 172         bool  grid_musical () const;
 173         bool  grid_nonmusical () const;
 174
 175         void undo (uint32_t n = 1);
 176         void redo (uint32_t n = 1);
 177
 178         XMLNode& get_state ();
 179         int set_state (const XMLNode&, int version);
 180
 181         void set_mouse_mode (Editing::MouseMode, bool force = false);
 182         void step_mouse_mode (bool next);
 183         Editing::MouseMode current_mouse_mode () const { return mouse_mode; }
 184         Editing::MidiEditMode current_midi_edit_mode () const;
 185         void remove_midi_note (ArdourCanvas::Item *, GdkEvent *);
 186
 187         bool internal_editing() const;
 188
 189         void foreach_time_axis_view (sigc::slot<void,TimeAxisView&>);
 190         void add_to_idle_resize (TimeAxisView*, int32_t);
 191
 192         StripableTimeAxisView* get_stripable_time_axis_by_id (const PBD::ID& id) const;
 193
 194         void consider_auditioning (boost::shared_ptr<ARDOUR::Region>);
 195         void hide_a_region (boost::shared_ptr<ARDOUR::Region>);
 196         void show_a_region (boost::shared_ptr<ARDOUR::Region>);
 197
 198 #ifdef USE_RUBBERBAND
 199         std::vector<std::string> rb_opt_strings;
 200         int rb_current_opt;
 201 #endif
 202
 203         /* things that need to be public to be used in the main menubar */
 204
 205         void new_region_from_selection ();
 206         void separate_regions_between (const TimeSelection&);
 207         void separate_region_from_selection ();
 208         void separate_under_selected_regions ();
 209         void separate_region_from_punch ();
 210         void separate_region_from_loop ();
 211         void separate_regions_using_location (ARDOUR::Location&);
 212         void transition_to_rolling (bool forward);
 213
 214         /* NOTE: these functions assume that the "pixel" coordinate is
 215            in canvas coordinates. These coordinates already take into
 216            account any scrolling offsets.
 217         */
 218
 219         samplepos_t pixel_to_sample_from_event (double pixel) const {
 220
 221                 /* pixel can be less than zero when motion events
 222                    are processed. since we've already run the world->canvas
 223                    affine, that means that the location *really* is "off
 224                    to the right" and thus really is "before the start".
 225                 */
 226
 227                 if (pixel >= 0) {
 228                         return pixel * samples_per_pixel;
 229                 } else {
 230                         return 0;
 231                 }
 232         }
 233
 234         samplepos_t pixel_to_sample (double pixel) const {
 235                 return pixel * samples_per_pixel;
 236         }
 237
 238         double sample_to_pixel (samplepos_t sample) const {
 239                 return round (sample / (double) samples_per_pixel);
 240         }
 241
 242         double sample_to_pixel_unrounded (samplepos_t sample) const {
 243                 return sample / (double) samples_per_pixel;
 244         }
 245
 246         /* selection */
 247
 248         Selection& get_selection() const { return *selection; }
 249         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
 250         Selection& get_cut_buffer() const { return *cut_buffer; }
 251
 252         void set_selection (std::list<Selectable*>, Selection::Operation);
 253
 254         bool extend_selection_to_track (TimeAxisView&);
 255
 256         void play_selection ();
 257         void maybe_locate_with_edit_preroll (samplepos_t);
 258         void play_with_preroll ();
 259         void rec_with_preroll ();
 260         void rec_with_count_in ();
 261         void select_all_in_track (Selection::Operation op);
 262         void select_all_objects (Selection::Operation op);
 263         void invert_selection_in_track ();
 264         void invert_selection ();
 265         void deselect_all ();
 266         long select_range (samplepos_t, samplepos_t);
 267
 268         void set_selected_regionview_from_region_list (boost::shared_ptr<ARDOUR::Region> region, Selection::Operation op = Selection::Set);
 269
 270         void remove_tracks ();
 271
 272         /* tempo */
 273
 274         void update_grid ();
 275
 276         /* analysis window */
 277
 278         void loudness_analyze_region_selection();
 279         void loudness_analyze_range_selection();
 280
 281         void spectral_analyze_region_selection();
 282         void spectral_analyze_range_selection();
 283
 284         /* export */
 285
 286         void export_audio ();
 287         void stem_export ();
 288         void export_selection ();
 289         void export_range ();
 290         void export_region ();
 291
 292         bool process_midi_export_dialog (MidiExportDialog& dialog, boost::shared_ptr<ARDOUR::MidiRegion> midi_region);
 293
 294         void               set_zoom_focus (Editing::ZoomFocus);
 295         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
 296         samplecnt_t         get_current_zoom () const { return samples_per_pixel; }
 297         void               cycle_zoom_focus ();
 298         void temporal_zoom_step (bool zoom_out);
 299         void temporal_zoom_step_scale (bool zoom_out, double scale);
 300         void temporal_zoom_step_mouse_focus (bool zoom_out);
 301         void temporal_zoom_step_mouse_focus_scale (bool zoom_out, double scale);
 302         void ensure_time_axis_view_is_visible (TimeAxisView const & tav, bool at_top);
 303         void tav_zoom_step (bool coarser);
 304         void tav_zoom_smooth (bool coarser, bool force_all);
 305
 306         /* stuff that AudioTimeAxisView and related classes use */
 307
 308         PlaylistSelector& playlist_selector() const;
 309         void clear_playlist (boost::shared_ptr<ARDOUR::Playlist>);
 310
 311         void new_playlists (TimeAxisView* v);
 312         void copy_playlists (TimeAxisView* v);
 313         void clear_playlists (TimeAxisView* v);
 314
 315         void get_onscreen_tracks (TrackViewList&);
 316
 317         Width editor_mixer_strip_width;
 318         void maybe_add_mixer_strip_width (XMLNode&);
 319         void show_editor_mixer (bool yn);
 320         void create_editor_mixer ();
 321         void show_editor_list (bool yn);
 322         void set_selected_mixer_strip (TimeAxisView&);
 323         void mixer_strip_width_changed ();
 324         void hide_track_in_display (TimeAxisView* tv, bool apply_to_selection = false);
 325         void show_track_in_display (TimeAxisView* tv, bool move_into_view = false);
 326         void tempo_curve_selected (ARDOUR::TempoSection* ts, bool yn);
 327
 328         /* nudge is initiated by transport controls owned by ARDOUR_UI */
 329
 330         samplecnt_t get_nudge_distance (samplepos_t pos, samplecnt_t& next);
 331         samplecnt_t get_paste_offset (samplepos_t pos, unsigned paste_count, samplecnt_t duration);
 332         unsigned get_grid_beat_divisions(samplepos_t position);
 333         Temporal::Beats get_grid_type_as_beats (bool& success, samplepos_t position);
 334
 335         int32_t get_grid_music_divisions (uint32_t event_state);
 336
 337         void nudge_forward (bool next, bool force_playhead);
 338         void nudge_backward (bool next, bool force_playhead);
 339
 340         /* nudge initiated from context menu */
 341
 342         void nudge_forward_capture_offset ();
 343         void nudge_backward_capture_offset ();
 344
 345         void sequence_regions ();
 346
 347         /* playhead/screen stuff */
 348
 349         void set_stationary_playhead (bool yn);
 350         void toggle_stationary_playhead ();
 351         bool stationary_playhead() const { return _stationary_playhead; }
 352
 353         void set_follow_playhead (bool yn, bool catch_up = true);
 354         void toggle_follow_playhead ();
 355         bool follow_playhead() const { return _follow_playhead; }
 356         bool dragging_playhead () const { return _dragging_playhead; }
 357
 358         void toggle_zero_line_visibility ();
 359         void set_summary ();
 360         void set_group_tabs ();
 361
 362         /* returns the left-most and right-most time that the gui should allow the user to scroll to */
 363         std::pair <samplepos_t,samplepos_t> session_gui_extents (bool use_extra = true) const;
 364
 365         /* fades */
 366
 367         void toggle_region_fades (int dir);
 368         void update_region_fade_visibility ();
 369
 370         /* redirect shared ops menu. caller must free returned menu */
 371
 372         Gtk::Menu* redirect_menu ();
 373
 374         /* floating windows/transient */
 375
 376         void ensure_float (Gtk::Window&);
 377
 378         void scroll_tracks_down_line ();
 379         void scroll_tracks_up_line ();
 380
 381         bool scroll_up_one_track (bool skip_child_views = false);
 382         bool scroll_down_one_track (bool skip_child_views = false);
 383
 384         void scroll_left_step ();
 385         void scroll_right_step ();
 386
 387         void scroll_left_half_page ();
 388         void scroll_right_half_page ();
 389
 390         void select_topmost_track ();
 391
 392         void prepare_for_cleanup ();
 393         void finish_cleanup ();
 394
 395         void maximise_editing_space();
 396         void restore_editing_space();
 397
 398         double get_y_origin () const;
 399         void reset_x_origin (samplepos_t);
 400         void reset_x_origin_to_follow_playhead ();
 401         void reset_y_origin (double);
 402         void reset_zoom (samplecnt_t);
 403         void reposition_and_zoom (samplepos_t, double);
 404
 405         samplepos_t get_preferred_edit_position (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE,
 406                                                 bool use_context_click = false,
 407                                                 bool from_outside_canvas = false);
 408
 409         bool update_mouse_speed ();
 410         bool decelerate_mouse_speed ();
 411
 412         void toggle_meter_updating();
 413
 414         void show_rhythm_ferret();
 415
 416         void goto_visual_state (uint32_t);
 417         void save_visual_state (uint32_t);
 418
 419         void queue_draw_resize_line (int at);
 420         void start_resize_line_ops ();
 421         void end_resize_line_ops ();
 422
 423         TrackViewList const & get_track_views () const {
 424                 return track_views;
 425         }
 426
 427         int get_regionview_count_from_region_list (boost::shared_ptr<ARDOUR::Region>);
 428
 429         void do_ptimport(std::string path, ARDOUR::SrcQuality quality);
 430
 431         void do_import (std::vector<std::string>              paths,
 432                         Editing::ImportDisposition            disposition,
 433                         Editing::ImportMode                   mode,
 434                         ARDOUR::SrcQuality                    quality,
 435                         ARDOUR::MidiTrackNameSource           mts,
 436                         ARDOUR::MidiTempoMapDisposition       mtd,
 437                         samplepos_t&                           pos,
 438                         boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
 439
 440         void do_embed (std::vector<std::string>              paths,
 441                        Editing::ImportDisposition            disposition,
 442                        Editing::ImportMode                   mode,
 443                        samplepos_t&                           pos,
 444                        boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
 445
 446         void get_regions_corresponding_to (boost::shared_ptr<ARDOUR::Region> region, std::vector<RegionView*>& regions, bool src_comparison);
 447
 448         void get_regionviews_by_id (PBD::ID const id, RegionSelection & regions) const;
 449         void get_per_region_note_selection (std::list<std::pair<PBD::ID, std::set<boost::shared_ptr<Evoral::Note<Temporal::Beats> > > > >&) const;
 450
 451         void center_screen (samplepos_t);
 452
 453         TrackViewList axis_views_from_routes (boost::shared_ptr<ARDOUR::RouteList>) const;
 454
 455         void snap_to (ARDOUR::MusicSample& first,
 456                       ARDOUR::RoundMode   direction = ARDOUR::RoundNearest,
 457                       ARDOUR::SnapPref    pref = ARDOUR::SnapToAny_Visual,
 458                       bool                ensure_snap = false);
 459
 460         void snap_to_with_modifier (ARDOUR::MusicSample& first,
 461                                     GdkEvent const *    ev,
 462                                     ARDOUR::RoundMode   direction = ARDOUR::RoundNearest,
 463                                     ARDOUR::SnapPref    pref = ARDOUR::SnapToAny_Visual);
 464
 465         void set_snapped_cursor_position (samplepos_t pos);
 466
 467         void begin_selection_op_history ();
 468         void begin_reversible_selection_op (std::string cmd_name);
 469         void commit_reversible_selection_op ();
 470         void undo_selection_op ();
 471         void redo_selection_op ();
 472         void begin_reversible_command (std::string cmd_name);
 473         void begin_reversible_command (GQuark);
 474         void abort_reversible_command ();
 475         void commit_reversible_command ();
 476
 477         DragManager* drags () const {
 478                 return _drags;
 479         }
 480
 481         void maybe_autoscroll (bool, bool, bool);
 482         bool autoscroll_active() const;
 483
 484         Gdk::Cursor* get_canvas_cursor () const;
 485
 486         void set_current_trimmable (boost::shared_ptr<ARDOUR::Trimmable>);
 487         void set_current_movable (boost::shared_ptr<ARDOUR::Movable>);
 488
 489         MouseCursors const * cursors () const {
 490                 return _cursors;
 491         }
 492
 493         VerboseCursor* verbose_cursor () const {
 494                 return _verbose_cursor;
 495         }
 496
 497         double clamp_verbose_cursor_x (double);
 498         double clamp_verbose_cursor_y (double);
 499
 500         void get_pointer_position (double &, double &) const;
 501
 502         /** Context for mouse entry (stored in a stack). */
 503         struct EnterContext {
 504                 ItemType                         item_type;
 505                 boost::shared_ptr<CursorContext> cursor_ctx;
 506         };
 507
 508         /** Get the topmost enter context for the given item type.
 509          *
 510          * This is used to change the cursor associated with a given enter context,
 511          * which may not be on the top of the stack.
 512          */
 513         EnterContext* get_enter_context(ItemType type);
 514
 515         TimeAxisView* stepping_axis_view () {
 516                 return _stepping_axis_view;
 517         }
 518
 519         void set_stepping_axis_view (TimeAxisView* v) {
 520                 _stepping_axis_view = v;
 521         }
 522
 523         ArdourCanvas::Container* get_trackview_group () const { return _trackview_group; }
 524         ArdourCanvas::Container* get_noscroll_group () const { return no_scroll_group; }
 525         ArdourCanvas::ScrollGroup* get_hscroll_group () const { return h_scroll_group; }
 526         ArdourCanvas::ScrollGroup* get_hvscroll_group () const { return hv_scroll_group; }
 527         ArdourCanvas::ScrollGroup* get_cursor_scroll_group () const { return cursor_scroll_group; }
 528         ArdourCanvas::Container* get_drag_motion_group () const { return _drag_motion_group; }
 529
 530         ArdourCanvas::GtkCanvasViewport* get_track_canvas () const;
 531
 532         void override_visible_track_count ();
 533
 534         /* Ruler metrics methods */
 535
 536         void metric_get_timecode (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 537         void metric_get_bbt (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 538         void metric_get_samples (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 539         void metric_get_minsec (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
 540
 541         /* editing operations that need to be public */
 542         void mouse_add_new_marker (samplepos_t where, bool is_cd=false);
 543         void split_regions_at (ARDOUR::MusicSample, RegionSelection&);
 544         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret, bool select_new = false);
 545         RegionSelection get_regions_from_selection_and_mouse (samplepos_t);
 546
 547         void mouse_add_new_tempo_event (samplepos_t where);
 548         void mouse_add_new_meter_event (samplepos_t where);
 549         void edit_tempo_section (ARDOUR::TempoSection*);
 550         void edit_meter_section (ARDOUR::MeterSection*);
 551
 552 protected:
 553         void map_transport_state ();
 554         void map_position_change (samplepos_t);
 555         void transport_looped ();
 556
 557         void on_realize();
 558
 559         void suspend_route_redisplay ();
 560         void resume_route_redisplay ();
 561
 562 private:
 563
 564         void color_handler ();
 565
 566         bool                 constructed;
 567
 568         // to keep track of the playhead position for control_scroll
 569         boost::optional<samplepos_t> _control_scroll_target;
 570
 571         PlaylistSelector* _playlist_selector;
 572
 573         TimeInfoBox*      _time_info_box;
 574
 575         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
 576
 577         struct VisualState {
 578                 VisualState (bool with_tracks);
 579                 ~VisualState ();
 580                 double              y_position;
 581                 samplecnt_t          samples_per_pixel;
 582                 samplepos_t          _leftmost_sample;
 583                 Editing::ZoomFocus  zoom_focus;
 584                 GUIObjectState*     gui_state;
 585         };
 586
 587         std::list<VisualState*> undo_visual_stack;
 588         std::list<VisualState*> redo_visual_stack;
 589         VisualState* current_visual_state (bool with_tracks = true);
 590         void undo_visual_state ();
 591         void redo_visual_state ();
 592         void use_visual_state (VisualState&);
 593         bool no_save_visual;
 594         void swap_visual_state ();
 595
 596         std::vector<VisualState*> visual_states;
 597         void start_visual_state_op (uint32_t n);
 598         void cancel_visual_state_op (uint32_t n);
 599
 600         samplepos_t         _leftmost_sample;
 601         samplecnt_t         samples_per_pixel;
 602         Editing::ZoomFocus zoom_focus;
 603
 604         void set_samples_per_pixel (samplecnt_t);
 605         void on_samples_per_pixel_changed ();
 606
 607         Editing::MouseMode mouse_mode;
 608         Editing::GridType  pre_internal_grid_type;
 609         Editing::SnapMode  pre_internal_snap_mode;
 610         Editing::GridType  internal_grid_type;
 611         Editing::SnapMode  internal_snap_mode;
 612         Editing::MouseMode effective_mouse_mode () const;
 613
 614         enum JoinObjectRangeState {
 615                 JOIN_OBJECT_RANGE_NONE,
 616                 /** `join object/range' mode is active and the mouse is over a place where object mode should happen */
 617                 JOIN_OBJECT_RANGE_OBJECT,
 618                 /** `join object/range' mode is active and the mouse is over a place where range mode should happen */
 619                 JOIN_OBJECT_RANGE_RANGE
 620         };
 621
 622         JoinObjectRangeState _join_object_range_state;
 623
 624         void update_join_object_range_location (double);
 625
 626         boost::optional<float>  pre_notebook_shrink_pane_width;
 627
 628         Gtk::VBox _editor_list_vbox;
 629         Gtk::Notebook _the_notebook;
 630         bool _notebook_shrunk;
 631         void add_notebook_page (std::string const &, Gtk::Widget &);
 632         bool notebook_tab_clicked (GdkEventButton *, Gtk::Widget *);
 633
 634         ArdourWidgets::HPane edit_pane;
 635         ArdourWidgets::VPane editor_summary_pane;
 636
 637         Gtk::EventBox meter_base;
 638         Gtk::EventBox marker_base;
 639         Gtk::HBox     marker_box;
 640         Gtk::VBox     scrollers_rulers_markers_box;
 641
 642         void location_changed (ARDOUR::Location *);
 643         void location_flags_changed (ARDOUR::Location *);
 644         void refresh_location_display ();
 645         void refresh_location_display_internal (const ARDOUR::Locations::LocationList&);
 646         void add_new_location (ARDOUR::Location *);
 647         ArdourCanvas::Container* add_new_location_internal (ARDOUR::Location *);
 648         void location_gone (ARDOUR::Location *);
 649         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
 650         gint really_remove_marker (ARDOUR::Location* loc);
 651         void goto_nth_marker (int nth);
 652         void trigger_script (int nth);
 653         void trigger_script_by_name (const std::string script_name);
 654         void toggle_marker_lines ();
 655         void set_marker_line_visibility (bool);
 656
 657         void jump_forward_to_mark ();
 658         void jump_backward_to_mark ();
 659
 660         uint32_t location_marker_color;
 661         uint32_t location_range_color;
 662         uint32_t location_loop_color;
 663         uint32_t location_punch_color;
 664         uint32_t location_cd_marker_color;
 665
 666         struct LocationMarkers {
 667                 ArdourMarker* start;
 668                 ArdourMarker* end;
 669                 bool    valid;
 670
 671                 LocationMarkers () : start(0), end(0), valid (true) {}
 672
 673                 ~LocationMarkers ();
 674
 675                 void hide ();
 676                 void show ();
 677
 678                 void set_show_lines (bool);
 679                 void set_selected (bool);
 680                 void canvas_height_set (double);
 681                 void setup_lines ();
 682
 683                 void set_name (const std::string&);
 684                 void set_position (samplepos_t start, samplepos_t end = 0);
 685                 void set_color_rgba (uint32_t);
 686         };
 687
 688         LocationMarkers  *find_location_markers (ARDOUR::Location *) const;
 689         ARDOUR::Location* find_location_from_marker (ArdourMarker *, bool& is_start) const;
 690         ArdourMarker* find_marker_from_location_id (PBD::ID const &, bool) const;
 691         ArdourMarker* entered_marker;
 692         bool _show_marker_lines;
 693
 694         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
 695         LocationMarkerMap location_markers;
 696
 697         void update_marker_labels ();
 698         void update_marker_labels (ArdourCanvas::Container *);
 699         void check_marker_label (ArdourMarker *);
 700
 701         /** A set of lists of Markers that are in each of the canvas groups
 702          *  for the marker sections at the top of the editor.  These lists
 703          *  are kept sorted in time order between marker movements, so that after
 704          *  a marker has moved we can decide whether we need to update the labels
 705          *  for all markers or for just a few.
 706          */
 707         std::map<ArdourCanvas::Container *, std::list<ArdourMarker *> > _sorted_marker_lists;
 708         void remove_sorted_marker (ArdourMarker *);
 709
 710         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
 711         void clear_marker_display ();
 712         void mouse_add_new_range (samplepos_t);
 713         void mouse_add_new_loop (samplepos_t);
 714         void mouse_add_new_punch (samplepos_t);
 715         bool choose_new_marker_name(std::string &name);
 716         void update_cd_marker_display ();
 717         void ensure_cd_marker_updated (LocationMarkers * lam, ARDOUR::Location * location);
 718
 719         TimeAxisView*      clicked_axisview;
 720         RouteTimeAxisView* clicked_routeview;
 721         /** The last RegionView that was clicked on, or 0 if the last click was not
 722          * on a RegionView.  This is set up by the canvas event handlers in
 723          * editor_canvas_events.cc
 724          */
 725         RegionView*        clicked_regionview;
 726         RegionSelection    latest_regionviews;
 727         uint32_t           clicked_selection;
 728         ControlPoint*      clicked_control_point;
 729
 730         void sort_track_selection (TrackViewList&);
 731
 732         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*> &, PBD::PropertyID) const;
 733         RegionSelection get_equivalent_regions (RegionSelection &, PBD::PropertyID) const;
 734         RegionView* regionview_from_region (boost::shared_ptr<ARDOUR::Region>) const;
 735         RouteTimeAxisView* rtav_from_route (boost::shared_ptr<ARDOUR::Route>) const;
 736
 737         void mapover_tracks (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 738         void mapover_tracks_with_unique_playlists (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 739
 740         /* functions to be passed to mapover_tracks(), possibly with sigc::bind()-supplied arguments */
 741         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView *, std::vector<RegionView*>*) const;
 742         void mapped_use_new_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 743         void mapped_use_copy_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 744         void mapped_clear_playlist (RouteTimeAxisView&, uint32_t);
 745
 746         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
 747         bool button_release_can_deselect;
 748         bool _mouse_changed_selection;
 749
 750         void catch_vanishing_regionview (RegionView *);
 751
 752         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
 753         void select_all_tracks ();
 754         bool select_all_internal_edit (Selection::Operation);
 755
 756         bool set_selected_control_point_from_click (bool press, Selection::Operation op = Selection::Set);
 757         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
 758         void set_selected_track_as_side_effect (Selection::Operation op);
 759         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set);
 760
 761         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
 762         void collect_new_region_view (RegionView *);
 763         void collect_and_select_new_region_view (RegionView *);
 764
 765         Gtk::Menu track_context_menu;
 766         Gtk::Menu track_region_context_menu;
 767         Gtk::Menu track_selection_context_menu;
 768
 769         Gtk::MenuItem* region_edit_menu_split_item;
 770         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
 771         Gtk::Menu * track_region_edit_playlist_menu;
 772         Gtk::Menu * track_edit_playlist_submenu;
 773         Gtk::Menu * track_selection_edit_playlist_submenu;
 774
 775         GdkEvent context_click_event;
 776
 777         void popup_track_context_menu (int, int, ItemType, bool);
 778         Gtk::Menu* build_track_context_menu ();
 779         Gtk::Menu* build_track_bus_context_menu ();
 780         Gtk::Menu* build_track_region_context_menu ();
 781         Gtk::Menu* build_track_selection_context_menu ();
 782         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 783         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 784         void add_region_context_items (Gtk::Menu_Helpers::MenuList&, boost::shared_ptr<ARDOUR::Track>);
 785         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 786         Gtk::MenuItem* _popup_region_menu_item;
 787
 788         void popup_control_point_context_menu (ArdourCanvas::Item *, GdkEvent *);
 789         Gtk::Menu _control_point_context_menu;
 790
 791         void popup_note_context_menu (ArdourCanvas::Item *, GdkEvent *);
 792         Gtk::Menu _note_context_menu;
 793
 794         void add_stripables (ARDOUR::StripableList&);
 795         void add_routes (ARDOUR::RouteList&);
 796         void timeaxisview_deleted (TimeAxisView *);
 797         void add_vcas (ARDOUR::VCAList&);
 798
 799         Gtk::HBox global_hpacker;
 800         Gtk::VBox global_vpacker;
 801
 802         /* Cursor stuff.  Do not use directly, use via CursorContext. */
 803         friend class CursorContext;
 804         std::vector<Gdk::Cursor*> _cursor_stack;
 805         void set_canvas_cursor (Gdk::Cursor*);
 806         size_t push_canvas_cursor (Gdk::Cursor*);
 807         void pop_canvas_cursor ();
 808
 809         Gdk::Cursor* which_track_cursor () const;
 810         Gdk::Cursor* which_mode_cursor () const;
 811         Gdk::Cursor* which_trim_cursor (bool left_side) const;
 812         Gdk::Cursor* which_canvas_cursor (ItemType type) const;
 813
 814         /** Push the appropriate enter/cursor context on item entry. */
 815         void choose_canvas_cursor_on_entry (ItemType);
 816
 817         /** Update all enter cursors based on current settings. */
 818         void update_all_enter_cursors ();
 819
 820         ArdourCanvas::GtkCanvas* _track_canvas;
 821         ArdourCanvas::GtkCanvasViewport* _track_canvas_viewport;
 822
 823         bool within_track_canvas;
 824
 825         friend class VerboseCursor;
 826         VerboseCursor* _verbose_cursor;
 827
 828         void parameter_changed (std::string);
 829         void ui_parameter_changed (std::string);
 830
 831         Gtk::EventBox             time_bars_event_box;
 832         Gtk::VBox                 time_bars_vbox;
 833
 834         ArdourCanvas::Container      *tempo_group;
 835         ArdourCanvas::Container      *meter_group;
 836         ArdourCanvas::Container      *marker_group;
 837         ArdourCanvas::Container      *range_marker_group;
 838         ArdourCanvas::Container      *transport_marker_group;
 839         ArdourCanvas::Container*      cd_marker_group;
 840
 841         /* parent for groups which themselves contain time markers */
 842         ArdourCanvas::Container*     _time_markers_group;
 843
 844         /* The group containing all other groups that are scrolled vertically
 845            and horizontally.
 846         */
 847         ArdourCanvas::ScrollGroup* hv_scroll_group;
 848
 849         /* The group containing all other groups that are scrolled horizontally ONLY
 850         */
 851         ArdourCanvas::ScrollGroup* h_scroll_group;
 852
 853         /* Scroll group for cursors, scrolled horizontally, above everything else
 854         */
 855         ArdourCanvas::ScrollGroup* cursor_scroll_group;
 856
 857         /* The group containing all trackviews. */
 858         ArdourCanvas::Container* no_scroll_group;
 859
 860         /* The group containing all trackviews. */
 861         ArdourCanvas::Container* _trackview_group;
 862
 863         /* The group holding things (mostly regions) while dragging so they
 864          * are on top of everything else
 865          */
 866         ArdourCanvas::Container* _drag_motion_group;
 867
 868         /* a rect that sits at the bottom of all tracks to act as a drag-no-drop/clickable
 869          * target area.
 870          */
 871         ArdourCanvas::Rectangle* _canvas_drop_zone;
 872         bool canvas_drop_zone_event (GdkEvent* event);
 873
 874         enum RulerType {
 875                 ruler_metric_timecode = 0,
 876                 ruler_metric_bbt = 1,
 877                 ruler_metric_samples = 2,
 878                 ruler_metric_minsec = 3,
 879
 880                 ruler_time_tempo = 4,
 881                 ruler_time_meter = 5,
 882                 ruler_time_marker = 6,
 883                 ruler_time_range_marker = 7,
 884                 ruler_time_transport_marker = 8,
 885                 ruler_time_cd_marker = 9,
 886                 ruler_video_timeline = 10,
 887         };
 888
 889         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
 890         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
 891         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
 892         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
 893         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
 894         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
 895         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
 896         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
 897         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
 898         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
 899         bool                            no_ruler_shown_update;
 900
 901         Gtk::Widget * ruler_grabbed_widget;
 902
 903         RulerDialog* ruler_dialog;
 904
 905         void initialize_rulers ();
 906         void update_just_timecode ();
 907         void compute_fixed_ruler_scale (); //calculates the RulerScale of the fixed rulers
 908         void update_fixed_rulers ();
 909         void update_tempo_based_rulers ();
 910         void popup_ruler_menu (samplepos_t where = 0, ItemType type = RegionItem);
 911         void update_ruler_visibility ();
 912         void set_ruler_visible (RulerType, bool);
 913         void toggle_ruler_visibility (RulerType rt);
 914         void ruler_toggled (int);
 915         bool ruler_label_button_release (GdkEventButton*);
 916         void store_ruler_visibility ();
 917         void restore_ruler_visibility ();
 918
 919
 920
 921                 enum MinsecRulerScale {
 922                 minsec_show_msecs,
 923                 minsec_show_seconds,
 924                 minsec_show_minutes,
 925                 minsec_show_hours,
 926                 minsec_show_many_hours
 927         };
 928
 929         MinsecRulerScale minsec_ruler_scale;
 930
 931         samplecnt_t minsec_mark_interval;
 932         gint minsec_mark_modulo;
 933         gint minsec_nmarks;
 934         void set_minsec_ruler_scale (samplepos_t, samplepos_t);
 935
 936         enum TimecodeRulerScale {
 937                 timecode_show_bits,
 938                 timecode_show_samples,
 939                 timecode_show_seconds,
 940                 timecode_show_minutes,
 941                 timecode_show_hours,
 942                 timecode_show_many_hours
 943         };
 944
 945         TimecodeRulerScale timecode_ruler_scale;
 946
 947         gint timecode_mark_modulo;
 948         gint timecode_nmarks;
 949         void set_timecode_ruler_scale (samplepos_t, samplepos_t);
 950
 951         samplecnt_t _samples_ruler_interval;
 952         void set_samples_ruler_scale (samplepos_t, samplepos_t);
 953
 954         enum BBTRulerScale {
 955                 bbt_show_many,
 956                 bbt_show_64,
 957                 bbt_show_16,
 958                 bbt_show_4,
 959                 bbt_show_1,
 960                 bbt_show_quarters,
 961                 bbt_show_eighths,
 962                 bbt_show_sixteenths,
 963                 bbt_show_thirtyseconds
 964         };
 965
 966         BBTRulerScale bbt_ruler_scale;
 967
 968         uint32_t bbt_bars;
 969         gint bbt_nmarks;
 970         uint32_t bbt_bar_helper_on;
 971         uint32_t bbt_accent_modulo;
 972         void compute_bbt_ruler_scale (samplepos_t lower, samplepos_t upper);
 973
 974         ArdourCanvas::Ruler* timecode_ruler;
 975         ArdourCanvas::Ruler* bbt_ruler;
 976         ArdourCanvas::Ruler* samples_ruler;
 977         ArdourCanvas::Ruler* minsec_ruler;
 978
 979         static double timebar_height;
 980         guint32 visible_timebars;
 981         Gtk::Menu          *editor_ruler_menu;
 982
 983         ArdourCanvas::Rectangle* tempo_bar;
 984         ArdourCanvas::Rectangle* meter_bar;
 985         ArdourCanvas::Rectangle* marker_bar;
 986         ArdourCanvas::Rectangle* range_marker_bar;
 987         ArdourCanvas::Rectangle* transport_marker_bar;
 988         ArdourCanvas::Rectangle* cd_marker_bar;
 989
 990         Gtk::Label  minsec_label;
 991         Gtk::Label  bbt_label;
 992         Gtk::Label  timecode_label;
 993         Gtk::Label  samples_label;
 994         Gtk::Label  tempo_label;
 995         Gtk::Label  meter_label;
 996         Gtk::Label  mark_label;
 997         Gtk::Label  range_mark_label;
 998         Gtk::Label  transport_mark_label;
 999         Gtk::Label  cd_mark_label;
1000
1001         /* videtimline related actions */
1002         Gtk::Label                videotl_label;
1003         ArdourCanvas::Container*      videotl_group;
1004         Glib::RefPtr<Gtk::ToggleAction> ruler_video_action;
1005         Glib::RefPtr<Gtk::ToggleAction> xjadeo_proc_action;
1006         Glib::RefPtr<Gtk::ToggleAction> xjadeo_ontop_action;
1007         Glib::RefPtr<Gtk::ToggleAction> xjadeo_timecode_action;
1008         Glib::RefPtr<Gtk::ToggleAction> xjadeo_sample_action;
1009         Glib::RefPtr<Gtk::ToggleAction> xjadeo_osdbg_action;
1010         Glib::RefPtr<Gtk::ToggleAction> xjadeo_fullscreen_action;
1011         Glib::RefPtr<Gtk::ToggleAction> xjadeo_letterbox_action;
1012         Glib::RefPtr<Gtk::Action> xjadeo_zoom_100;
1013         void set_xjadeo_proc ();
1014         void toggle_xjadeo_proc (int state=-1);
1015         void set_close_video_sensitive (bool onoff);
1016         void set_xjadeo_sensitive (bool onoff);
1017         void set_xjadeo_viewoption (int);
1018         void toggle_xjadeo_viewoption (int what, int state=-1);
1019         void toggle_ruler_video (bool onoff) {ruler_video_action->set_active(onoff);}
1020         int videotl_bar_height; /* in units of timebar_height; default: 4 */
1021         int get_videotl_bar_height () const { return videotl_bar_height; }
1022         void toggle_region_video_lock ();
1023
1024         friend class EditorCursor;
1025
1026         EditorCursor* snapped_cursor;
1027
1028         EditorCursor* playhead_cursor;
1029         samplepos_t playhead_cursor_sample () const;
1030
1031         samplepos_t get_region_boundary (samplepos_t pos, int32_t dir, bool with_selection, bool only_onscreen);
1032
1033         void    cursor_to_region_boundary (bool with_selection, int32_t dir);
1034         void    cursor_to_next_region_boundary (bool with_selection);
1035         void    cursor_to_previous_region_boundary (bool with_selection);
1036         void    cursor_to_next_region_point (EditorCursor*, ARDOUR::RegionPoint);
1037         void    cursor_to_previous_region_point (EditorCursor*, ARDOUR::RegionPoint);
1038         void    cursor_to_region_point (EditorCursor*, ARDOUR::RegionPoint, int32_t dir);
1039         void    cursor_to_selection_start (EditorCursor *);
1040         void    cursor_to_selection_end   (EditorCursor *);
1041
1042         void    selected_marker_to_region_boundary (bool with_selection, int32_t dir);
1043         void    selected_marker_to_next_region_boundary (bool with_selection);
1044         void    selected_marker_to_previous_region_boundary (bool with_selection);
1045         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
1046         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
1047         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
1048         void    selected_marker_to_selection_start ();
1049         void    selected_marker_to_selection_end   ();
1050
1051         void    select_all_selectables_using_cursor (EditorCursor *, bool);
1052         void    select_all_selectables_using_edit (bool, bool);
1053         void    select_all_selectables_between (bool within);
1054         void    select_range_between ();
1055
1056         boost::shared_ptr<ARDOUR::Region> find_next_region (ARDOUR::samplepos_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
1057         ARDOUR::samplepos_t find_next_region_boundary (ARDOUR::samplepos_t, int32_t dir, const TrackViewList&);
1058
1059         std::vector<ARDOUR::samplepos_t> region_boundary_cache;
1060         void mark_region_boundary_cache_dirty () { _region_boundary_cache_dirty = true; }
1061         void build_region_boundary_cache ();
1062         bool    _region_boundary_cache_dirty;
1063
1064         Gtk::HBox           toplevel_hpacker;
1065
1066         Gtk::HBox           bottom_hbox;
1067
1068         Gtk::Table          edit_packer;
1069
1070         /** the adjustment that controls the overall editor vertical scroll position */
1071         Gtk::Adjustment     vertical_adjustment;
1072         Gtk::Adjustment     horizontal_adjustment;
1073
1074         Gtk::Adjustment     unused_adjustment; // yes, really; Gtk::Layout constructor requires refs
1075         Gtk::Layout         controls_layout;
1076         bool control_layout_scroll (GdkEventScroll* ev);
1077         void reset_controls_layout_width ();
1078         void reset_controls_layout_height (int32_t height);
1079
1080         enum Direction {
1081                 LEFT,
1082                 RIGHT,
1083                 UP,
1084                 DOWN
1085         };
1086
1087         bool scroll_press (Direction);
1088         void scroll_release ();
1089         sigc::connection _scroll_connection;
1090         int _scroll_callbacks;
1091
1092         double _visible_canvas_width;
1093         double _visible_canvas_height; ///< height of the visible area of the track canvas
1094         double _full_canvas_height;    ///< full height of the canvas
1095
1096         bool track_canvas_map_handler (GdkEventAny*);
1097
1098         bool edit_controls_button_release (GdkEventButton*);
1099         Gtk::Menu *edit_controls_left_menu;
1100         Gtk::Menu *edit_controls_right_menu;
1101
1102         Gtk::VBox           track_canvas_vbox;
1103         Gtk::VBox           edit_controls_vbox;
1104         Gtk::HBox           edit_controls_hbox;
1105
1106         void control_vertical_zoom_in_all ();
1107         void control_vertical_zoom_out_all ();
1108         void control_vertical_zoom_in_selected ();
1109         void control_vertical_zoom_out_selected ();
1110         void control_step_tracks_up ();
1111         void control_step_tracks_down ();
1112         void control_view (uint32_t);
1113         void control_scroll (float);
1114         void control_select (boost::shared_ptr<ARDOUR::Stripable>, Selection::Operation);
1115         void control_unselect ();
1116         void access_action (const std::string&, const std::string&);
1117         void set_toggleaction (const std::string&, const std::string&, bool);
1118         bool deferred_control_scroll (samplepos_t);
1119         sigc::connection control_scroll_connection;
1120
1121         void tie_vertical_scrolling ();
1122         void set_horizontal_position (double);
1123         double horizontal_position () const;
1124
1125         struct VisualChange {
1126                 enum Type {
1127                         TimeOrigin = 0x1,
1128                         ZoomLevel = 0x2,
1129                         YOrigin = 0x4,
1130                         VideoTimeline = 0x8
1131                 };
1132
1133                 Type       pending;
1134                 samplepos_t time_origin;
1135                 samplecnt_t samples_per_pixel;
1136                 double     y_origin;
1137
1138                 int idle_handler_id;
1139                 /** true if we are currently in the idle handler */
1140                 bool being_handled;
1141
1142                 VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), samples_per_pixel (0), idle_handler_id (-1), being_handled (false) {}
1143                 void add (Type t) {
1144                         pending = Type (pending | t);
1145                 }
1146         };
1147
1148         VisualChange pending_visual_change;
1149         bool visual_change_queued;
1150
1151         void pre_render ();
1152
1153         static int _idle_visual_changer (void *arg);
1154         int idle_visual_changer ();
1155         void visual_changer (const VisualChange&);
1156         void ensure_visual_change_idle_handler ();
1157
1158         /* track views */
1159         TrackViewList track_views;
1160         std::pair<TimeAxisView*, double> trackview_by_y_position (double, bool trackview_relative_offset = true) const;
1161
1162         AxisView* axis_view_by_stripable (boost::shared_ptr<ARDOUR::Stripable>) const;
1163         AxisView* axis_view_by_control (boost::shared_ptr<ARDOUR::AutomationControl>) const;
1164
1165         TimeAxisView* time_axis_view_from_stripable (boost::shared_ptr<ARDOUR::Stripable> s) const {
1166                 return dynamic_cast<TimeAxisView*> (axis_view_by_stripable (s));
1167         }
1168
1169         TrackViewList get_tracks_for_range_action () const;
1170
1171         sigc::connection super_rapid_screen_update_connection;
1172         void center_screen_internal (samplepos_t, float);
1173
1174         void super_rapid_screen_update ();
1175
1176         int64_t _last_update_time;
1177         double _err_screen_engine;
1178
1179         void session_going_away ();
1180
1181         samplepos_t cut_buffer_start;
1182         samplecnt_t cut_buffer_length;
1183
1184         boost::shared_ptr<CursorContext> _press_cursor_ctx;  ///< Button press cursor context
1185
1186         boost::weak_ptr<ARDOUR::Trimmable> _trimmable;
1187         boost::weak_ptr<ARDOUR::Movable> _movable;
1188
1189         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1190         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1191         bool button_press_handler_1 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1192         bool button_press_handler_2 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1193         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1194         bool button_double_click_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1195         bool button_press_dispatch (GdkEventButton*);
1196         bool button_release_dispatch (GdkEventButton*);
1197         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, bool from_autoscroll = false);
1198         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1199         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1200         bool key_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1201         bool key_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1202
1203         Gtkmm2ext::Bindings* button_bindings;
1204         XMLNode* button_settings () const;
1205
1206         /* KEYMAP HANDLING */
1207
1208         void register_actions ();
1209         void register_region_actions ();
1210
1211         void load_bindings ();
1212
1213         /* CUT/COPY/PASTE */
1214
1215         samplepos_t last_paste_pos;
1216         unsigned   paste_count;
1217
1218         void cut_copy (Editing::CutCopyOp);
1219         bool can_cut_copy () const;
1220         void cut_copy_points (Editing::CutCopyOp, Temporal::Beats earliest=Temporal::Beats(), bool midi=false);
1221         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1222         void cut_copy_ranges (Editing::CutCopyOp);
1223         void cut_copy_midi (Editing::CutCopyOp);
1224
1225         void mouse_paste ();
1226         void paste_internal (samplepos_t position, float times, const int32_t sub_num);
1227
1228         /* EDITING OPERATIONS */
1229
1230         void reset_point_selection ();
1231         void toggle_region_lock ();
1232         void toggle_opaque_region ();
1233         void toggle_record_enable ();
1234         void toggle_solo ();
1235         void toggle_solo_isolate ();
1236         void toggle_mute ();
1237         void toggle_region_lock_style ();
1238
1239         void play_solo_selection( bool restart );
1240
1241         enum LayerOperation {
1242                 Raise,
1243                 RaiseToTop,
1244                 Lower,
1245                 LowerToBottom
1246         };
1247
1248         void do_layer_operation (LayerOperation);
1249         void raise_region ();
1250         void raise_region_to_top ();
1251         void change_region_layering_order (bool from_context_menu);
1252         void lower_region ();
1253         void lower_region_to_bottom ();
1254         void split_region_at_transients ();
1255         void crop_region_to_selection ();
1256         void crop_region_to (samplepos_t start, samplepos_t end);
1257         void set_sync_point (samplepos_t, const RegionSelection&);
1258         void set_region_sync_position ();
1259         void remove_region_sync();
1260         void align_regions (ARDOUR::RegionPoint);
1261         void align_regions_relative (ARDOUR::RegionPoint point);
1262         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, samplepos_t position);
1263         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, samplepos_t position);
1264         void remove_selected_regions ();
1265         void remove_clicked_region ();
1266         void show_region_properties ();
1267         void show_midi_list_editor ();
1268         void rename_region ();
1269         void duplicate_some_regions (RegionSelection&, float times);
1270         void duplicate_selection (float times);
1271         void region_fill_selection ();
1272         void combine_regions ();
1273         void uncombine_regions ();
1274
1275         void region_fill_track ();
1276         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1277         void split_multichannel_region();
1278         void reverse_region ();
1279         void strip_region_silence ();
1280         void normalize_region ();
1281         void reset_region_scale_amplitude ();
1282         void adjust_region_gain (bool up);
1283         void reset_region_gain ();
1284         void quantize_region ();
1285         void quantize_regions (const RegionSelection& rs);
1286         void legatize_region (bool shrink_only);
1287         void legatize_regions (const RegionSelection& rs, bool shrink_only);
1288         void transform_region ();
1289         void transform_regions (const RegionSelection& rs);
1290         void transpose_region ();
1291         void transpose_regions (const RegionSelection& rs);
1292         void insert_patch_change (bool from_context);
1293         void fork_region ();
1294
1295         void do_insert_time ();
1296         void insert_time (samplepos_t, samplecnt_t, Editing::InsertTimeOption, bool, bool, bool, bool, bool, bool);
1297
1298         void do_remove_time ();
1299         void remove_time (samplepos_t pos, samplecnt_t distance, Editing::InsertTimeOption opt, bool ignore_music_glue, bool markers_too,
1300                         bool glued_markers_too, bool locked_markers_too, bool tempo_too);
1301
1302         void tab_to_transient (bool forward);
1303
1304         void set_tempo_from_region ();
1305         void use_range_as_bar ();
1306
1307         void define_one_bar (samplepos_t start, samplepos_t end);
1308
1309         void audition_region_from_region_list ();
1310         void hide_region_from_region_list ();
1311         void show_region_in_region_list ();
1312
1313         void naturalize_region ();
1314
1315         void split_region ();
1316
1317         void delete_ ();
1318         void cut ();
1319         void copy ();
1320         void paste (float times, bool from_context_menu);
1321
1322         void place_transient ();
1323         void remove_transient (ArdourCanvas::Item* item);
1324         void snap_regions_to_grid ();
1325         void close_region_gaps ();
1326
1327         void keyboard_paste ();
1328
1329         void region_from_selection ();
1330         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::Region> >&);
1331
1332         void play_from_start ();
1333         void play_from_edit_point ();
1334         void play_from_edit_point_and_return ();
1335         void play_selected_region ();
1336         void play_edit_range ();
1337         void play_location (ARDOUR::Location&);
1338         void loop_location (ARDOUR::Location&);
1339
1340         void calc_extra_zoom_edges(samplepos_t &start, samplepos_t &end);
1341         void temporal_zoom_selection (Editing::ZoomAxis);
1342         void temporal_zoom_session ();
1343         void temporal_zoom_extents ();
1344         void temporal_zoom (samplecnt_t samples_per_pixel);
1345         void temporal_zoom_by_sample (samplepos_t start, samplepos_t end);
1346         void temporal_zoom_to_sample (bool coarser, samplepos_t sample);
1347
1348         void insert_region_list_selection (float times);
1349
1350         /* PT import */
1351         void external_pt_dialog ();
1352         typedef struct ptflookup {
1353                 uint16_t index1;
1354                 uint16_t index2;
1355                 PBD::ID  id;
1356
1357                 bool operator ==(const struct ptflookup& other) {
1358                         return (this->index1 == other.index1);
1359                 }
1360         } ptflookup_t;
1361
1362         /* import & embed */
1363
1364         void add_external_audio_action (Editing::ImportMode);
1365
1366         int  check_whether_and_how_to_import(std::string, bool all_or_nothing = true);
1367         bool check_multichannel_status (const std::vector<std::string>& paths);
1368
1369         SoundFileOmega* sfbrowser;
1370
1371         void bring_in_external_audio (Editing::ImportMode mode,  samplepos_t& pos);
1372
1373         bool  idle_drop_paths  (std::vector<std::string> paths, samplepos_t sample, double ypos, bool copy);
1374         void  drop_paths_part_two  (const std::vector<std::string>& paths, samplepos_t sample, double ypos, bool copy);
1375
1376         int import_sndfiles (std::vector<std::string>              paths,
1377                              Editing::ImportDisposition            disposition,
1378                              Editing::ImportMode                   mode,
1379                              ARDOUR::SrcQuality                    quality,
1380                              samplepos_t&                           pos,
1381                              int                                   target_regions,
1382                              int                                   target_tracks,
1383                              boost::shared_ptr<ARDOUR::Track>&     track,
1384                              bool                                  replace,
1385                              boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1386
1387         int embed_sndfiles (std::vector<std::string>              paths,
1388                             bool                                  multiple_files,
1389                             bool&                                 check_sample_rate,
1390                             Editing::ImportDisposition            disposition,
1391                             Editing::ImportMode                   mode,
1392                             samplepos_t&                           pos,
1393                             int                                   target_regions,
1394                             int                                   target_tracks,
1395                             boost::shared_ptr<ARDOUR::Track>&     track,
1396                             boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1397
1398         int add_sources (std::vector<std::string>              paths,
1399                          ARDOUR::SourceList&                   sources,
1400                          samplepos_t&                           pos,
1401                          Editing::ImportDisposition            disposition,
1402                          Editing::ImportMode                   mode,
1403                          int                                   target_regions,
1404                          int                                   target_tracks,
1405                          boost::shared_ptr<ARDOUR::Track>&     track,
1406                          bool                                  add_channel_suffix,
1407                          boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1408
1409         int finish_bringing_in_material (boost::shared_ptr<ARDOUR::Region>     region,
1410                                          uint32_t                              in_chans,
1411                                          uint32_t                              out_chans,
1412                                          samplepos_t&                           pos,
1413                                          Editing::ImportMode                   mode,
1414                                          boost::shared_ptr<ARDOUR::Track>&     existing_track,
1415                                          const std::string&                    new_track_name,
1416                                          boost::shared_ptr<ARDOUR::PluginInfo> instrument);
1417
1418         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1419         boost::shared_ptr<ARDOUR::MidiTrack> get_nth_selected_midi_track (int nth) const;
1420
1421         void toggle_midi_input_active (bool flip_others);
1422
1423         ARDOUR::InterThreadInfo* current_interthread_info;
1424
1425         AnalysisWindow* analysis_window;
1426
1427         /* import & embed */
1428         void external_audio_dialog ();
1429         void session_import_dialog ();
1430
1431         /* import specific info */
1432
1433         struct EditorImportStatus : public ARDOUR::ImportStatus {
1434             Editing::ImportMode mode;
1435             samplepos_t pos;
1436             int target_tracks;
1437             int target_regions;
1438             boost::shared_ptr<ARDOUR::Track> track;
1439             bool replace;
1440         };
1441
1442         EditorImportStatus import_status;
1443         static void *_import_thread (void *);
1444         void* import_thread ();
1445         void finish_import ();
1446
1447         /* to support this ... */
1448
1449         void import_audio (bool as_tracks);
1450         void do_import (std::vector<std::string> paths, bool split, bool as_tracks);
1451         void import_smf_tempo_map (Evoral::SMF const &, samplepos_t pos);
1452         void move_to_start ();
1453         void move_to_end ();
1454         void center_playhead ();
1455         void center_edit_point ();
1456         void playhead_forward_to_grid ();
1457         void playhead_backward_to_grid ();
1458         void scroll_playhead (bool forward);
1459         void scroll_backward (float pages=0.8f);
1460         void scroll_forward (float pages=0.8f);
1461         void scroll_tracks_down ();
1462         void scroll_tracks_up ();
1463         void set_mark ();
1464         void clear_markers ();
1465         void clear_ranges ();
1466         void clear_locations ();
1467         void unhide_markers ();
1468         void unhide_ranges ();
1469         void cursor_align (bool playhead_to_edit);
1470         void toggle_skip_playback ();
1471
1472         void remove_last_capture ();
1473         void select_all_selectables_using_time_selection ();
1474         void select_all_selectables_using_loop();
1475         void select_all_selectables_using_punch();
1476         void set_selection_from_range (ARDOUR::Location&);
1477         void set_selection_from_punch ();
1478         void set_selection_from_loop ();
1479         void set_selection_from_region ();
1480
1481         void add_location_mark (samplepos_t where);
1482         void add_location_from_region ();
1483         void add_locations_from_region ();
1484         void add_location_from_selection ();
1485         void set_loop_from_selection (bool play);
1486         void set_punch_from_selection ();
1487         void set_punch_from_region ();
1488         void set_auto_punch_range();
1489
1490         void set_session_start_from_playhead ();
1491         void set_session_end_from_playhead ();
1492         void set_session_extents_from_selection ();
1493
1494         void set_loop_from_region (bool play);
1495
1496         void set_loop_range (samplepos_t start, samplepos_t end, std::string cmd);
1497         void set_punch_range (samplepos_t start, samplepos_t end, std::string cmd);
1498
1499         void toggle_location_at_playhead_cursor ();
1500         void add_location_from_playhead_cursor ();
1501         bool do_remove_location_at_playhead_cursor ();
1502         void remove_location_at_playhead_cursor ();
1503         bool select_new_marker;
1504
1505         void reverse_selection ();
1506         void edit_envelope ();
1507
1508         double last_scrub_x;
1509         int scrubbing_direction;
1510         int scrub_reversals;
1511         int scrub_reverse_distance;
1512         void scrub (samplepos_t, double);
1513
1514         void set_punch_start_from_edit_point ();
1515         void set_punch_end_from_edit_point ();
1516         void set_loop_start_from_edit_point ();
1517         void set_loop_end_from_edit_point ();
1518
1519         void keyboard_selection_begin (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE);
1520         void keyboard_selection_finish (bool add, Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE);
1521         bool have_pending_keyboard_selection;
1522         samplepos_t pending_keyboard_selection_start;
1523
1524         void move_range_selection_start_or_end_to_region_boundary (bool, bool);
1525
1526         Editing::GridType _grid_type;
1527         Editing::SnapMode _snap_mode;
1528
1529         bool ignore_gui_changes;
1530
1531         DragManager* _drags;
1532
1533         void escape ();
1534         void lock ();
1535         void unlock ();
1536         Gtk::Dialog* lock_dialog;
1537
1538         struct timeval last_event_time;
1539         bool generic_event_handler (GdkEvent*);
1540         bool lock_timeout_callback ();
1541         void start_lock_event_timing ();
1542
1543         Gtk::Menu fade_context_menu;
1544
1545         Gtk::Menu xfade_in_context_menu;
1546         Gtk::Menu xfade_out_context_menu;
1547         void popup_xfade_in_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1548         void popup_xfade_out_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1549         void fill_xfade_menu (Gtk::Menu_Helpers::MenuList& items, bool start);
1550
1551         void set_fade_in_shape (ARDOUR::FadeShape);
1552         void set_fade_out_shape (ARDOUR::FadeShape);
1553
1554         void set_fade_length (bool in);
1555         void set_fade_in_active (bool);
1556         void set_fade_out_active (bool);
1557
1558         void fade_range ();
1559
1560         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1561
1562         bool _dragging_playhead;
1563         bool _dragging_edit_point;
1564
1565         void marker_drag_motion_callback (GdkEvent*);
1566         void marker_drag_finished_callback (GdkEvent*);
1567
1568         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1569
1570         void add_region_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1571         void start_create_region_grab (ArdourCanvas::Item*, GdkEvent*);
1572         void add_region_copy_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1573         void add_region_brush_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1574         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1575
1576         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1577
1578         bool can_remove_control_point (ArdourCanvas::Item *);
1579         void remove_control_point (ArdourCanvas::Item *);
1580
1581         void mouse_brush_insert_region (RegionView*, samplepos_t pos);
1582
1583         /* Canvas event handlers */
1584
1585         bool canvas_scroll_event (GdkEventScroll* event, bool from_canvas);
1586         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1587         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1588         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1589         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1590         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1591         bool canvas_start_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1592         bool canvas_end_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1593         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1594         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1595         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1596         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1597         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1598         bool canvas_wave_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1599         bool canvas_sample_handle_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1600         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1601         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1602         bool canvas_feature_line_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*);
1603         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1604         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, ArdourMarker*);
1605         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1606         bool canvas_tempo_curve_event (GdkEvent* event,ArdourCanvas::Item*, TempoCurve*);
1607         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1608         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*);
1609         bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item *);
1610
1611         bool canvas_ruler_event (GdkEvent* event, ArdourCanvas::Item *, ItemType);
1612         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1613         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1614         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1615         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1616         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1617         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1618
1619         bool canvas_videotl_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1620         void update_video_timeline (bool flush = false);
1621         void set_video_timeline_height (const int);
1622         bool is_video_timeline_locked ();
1623         void toggle_video_timeline_locked ();
1624         void set_video_timeline_locked (const bool);
1625         void queue_visual_videotimeline_update ();
1626         void embed_audio_from_video (std::string, samplepos_t n = 0, bool lock_position_to_video = true);
1627
1628         bool track_selection_change_without_scroll () const {
1629                 return _track_selection_change_without_scroll;
1630         }
1631
1632         PBD::Signal0<void> EditorFreeze;
1633         PBD::Signal0<void> EditorThaw;
1634
1635 private:
1636         friend class DragManager;
1637         friend class EditorRouteGroups;
1638         friend class EditorRegions;
1639
1640         /* non-public event handlers */
1641
1642         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1643         bool track_canvas_scroll (GdkEventScroll* event);
1644
1645         bool track_canvas_button_press_event (GdkEventButton* event);
1646         bool track_canvas_button_release_event (GdkEventButton* event);
1647         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1648
1649         Gtk::Allocation _canvas_viewport_allocation;
1650         void track_canvas_viewport_allocate (Gtk::Allocation alloc);
1651         void track_canvas_viewport_size_allocated ();
1652         bool track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const &, int, int, guint);
1653         bool track_canvas_key_press (GdkEventKey *);
1654         bool track_canvas_key_release (GdkEventKey *);
1655
1656         void set_playhead_cursor ();
1657
1658         void toggle_region_mute ();
1659
1660         void initialize_canvas ();
1661
1662         /* display control */
1663
1664         /// true if the editor should follow the playhead, otherwise false
1665         bool _follow_playhead;
1666         /// true if we scroll the tracks rather than the playhead
1667         bool _stationary_playhead;
1668         /// true if we are in fullscreen mode
1669         bool _maximised;
1670
1671         std::vector<ArdourCanvas::Ruler::Mark> grid_marks;
1672         GridLines* grid_lines;
1673
1674         ArdourCanvas::Container* global_rect_group;
1675         ArdourCanvas::Container* time_line_group;
1676
1677         void hide_grid_lines ();
1678         void maybe_draw_grid_lines ();
1679
1680         void new_tempo_section ();
1681
1682         void remove_tempo_marker (ArdourCanvas::Item*);
1683         void remove_meter_marker (ArdourCanvas::Item*);
1684         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1685         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1686
1687         void edit_tempo_marker (TempoMarker&);
1688         void edit_meter_marker (MeterMarker&);
1689         void edit_control_point (ArdourCanvas::Item*);
1690         void edit_notes (MidiRegionView*);
1691         void edit_region (RegionView*);
1692
1693         void edit_current_meter ();
1694         void edit_current_tempo ();
1695
1696         void marker_menu_edit ();
1697         void marker_menu_remove ();
1698         void marker_menu_rename ();
1699         void rename_marker (ArdourMarker *marker);
1700         void toggle_marker_lock_style ();
1701         void toggle_tempo_clamped ();
1702         void toggle_tempo_type ();
1703         void ramp_to_next_tempo ();
1704         void toggle_marker_menu_lock ();
1705         void toggle_marker_menu_glue ();
1706         void marker_menu_hide ();
1707         void marker_menu_set_origin ();
1708         void marker_menu_loop_range ();
1709         void marker_menu_select_all_selectables_using_range ();
1710         void marker_menu_select_using_range ();
1711         void marker_menu_separate_regions_using_location ();
1712         void marker_menu_play_from ();
1713         void marker_menu_play_range ();
1714         void marker_menu_set_playhead ();
1715         void marker_menu_set_from_playhead ();
1716         void marker_menu_set_from_selection (bool force_regions);
1717         void marker_menu_range_to_next ();
1718         void marker_menu_zoom_to_range ();
1719         void new_transport_marker_menu_set_loop ();
1720         void new_transport_marker_menu_set_punch ();
1721         void update_loop_range_view ();
1722         void update_punch_range_view ();
1723         void new_transport_marker_menu_popdown ();
1724         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1725         void tempo_or_meter_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1726         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1727         void build_range_marker_menu (ARDOUR::Location *, bool, bool);
1728         void build_marker_menu (ARDOUR::Location *);
1729         void build_tempo_marker_menu (TempoMarker *, bool);
1730         void build_meter_marker_menu (MeterMarker *, bool);
1731         void build_new_transport_marker_menu ();
1732         void dynamic_cast_marker_object (void*, MeterMarker**, TempoMarker**) const;
1733
1734         Gtk::Menu* tempo_marker_menu;
1735         Gtk::Menu* meter_marker_menu;
1736         Gtk::Menu* marker_menu;
1737         Gtk::Menu* range_marker_menu;
1738         Gtk::Menu* transport_marker_menu;
1739         Gtk::Menu* new_transport_marker_menu;
1740         Gtk::Menu* cd_marker_menu;
1741         ArdourCanvas::Item* marker_menu_item;
1742
1743         typedef std::list<ArdourMarker*> Marks;
1744         Marks metric_marks;
1745
1746         typedef std::list<TempoCurve*> Curves;
1747         Curves tempo_curves;
1748
1749         void remove_metric_marks ();
1750         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1751
1752         void compute_current_bbt_points (std::vector<ARDOUR::TempoMap::BBTPoint>& grid, samplepos_t left, samplepos_t right);
1753
1754         void tempo_map_changed (const PBD::PropertyChange&);
1755         void tempometric_position_changed (const PBD::PropertyChange&);
1756
1757         void redisplay_grid (bool immediate_redraw);
1758
1759         uint32_t bbt_beat_subdivision;
1760
1761         /* toolbar */
1762
1763         Gtk::ToggleButton editor_mixer_button;
1764         Gtk::ToggleButton editor_list_button;
1765         void editor_mixer_button_toggled ();
1766         void editor_list_button_toggled ();
1767
1768         ArdourWidgets::ArdourButton   zoom_in_button;
1769         ArdourWidgets::ArdourButton   zoom_out_button;
1770         ArdourWidgets::ArdourButton   zoom_out_full_button;
1771
1772         ArdourWidgets::ArdourButton   tav_expand_button;
1773         ArdourWidgets::ArdourButton   tav_shrink_button;
1774         ArdourWidgets::ArdourDropdown visible_tracks_selector;
1775         ArdourWidgets::ArdourDropdown zoom_preset_selector;
1776
1777         int32_t                   _visible_track_count;
1778         void build_track_count_menu ();
1779         void set_visible_track_count (int32_t);
1780
1781         void set_zoom_preset(int64_t);
1782
1783         Gtk::VBox                toolbar_clock_vbox;
1784         Gtk::VBox                toolbar_selection_clock_vbox;
1785         Gtk::Table               toolbar_selection_clock_table;
1786         Gtk::Label               toolbar_selection_cursor_label;
1787
1788         ArdourWidgets::ArdourButton mouse_select_button;
1789         ArdourWidgets::ArdourButton mouse_draw_button;
1790         ArdourWidgets::ArdourButton mouse_move_button;
1791         ArdourWidgets::ArdourButton mouse_timefx_button;
1792         ArdourWidgets::ArdourButton mouse_content_button;
1793         ArdourWidgets::ArdourButton mouse_audition_button;
1794         ArdourWidgets::ArdourButton mouse_cut_button;
1795
1796         ArdourWidgets::ArdourButton smart_mode_button;
1797         Glib::RefPtr<Gtk::ToggleAction> smart_mode_action;
1798
1799         void                     mouse_mode_toggled (Editing::MouseMode m);
1800         void                     mouse_mode_object_range_toggled ();
1801         bool                     ignore_mouse_mode_toggle;
1802
1803         bool                     mouse_select_button_release (GdkEventButton*);
1804
1805         Gtk::VBox                automation_box;
1806         Gtk::Button              automation_mode_button;
1807
1808         //edit mode menu stuff
1809         ArdourWidgets::ArdourDropdown   edit_mode_selector;
1810         void edit_mode_selection_done (ARDOUR::EditMode);
1811         void build_edit_mode_menu ();
1812         Gtk::VBox edit_mode_box;
1813
1814         void set_edit_mode (ARDOUR::EditMode);
1815         void cycle_edit_mode ();
1816
1817         ArdourWidgets::ArdourDropdown grid_type_selector;
1818         void build_grid_type_menu ();
1819
1820         ArdourWidgets::ArdourButton snap_mode_button;
1821         bool snap_mode_button_clicked (GdkEventButton *);
1822
1823         Gtk::HBox snap_box;
1824
1825         Gtk::HBox ebox_hpacker;
1826         Gtk::VBox ebox_vpacker;
1827
1828         Gtk::HBox _box;
1829
1830         std::vector<std::string> grid_type_strings;
1831         std::vector<std::string> snap_mode_strings;
1832
1833         void grid_type_selection_done (Editing::GridType);
1834         void snap_mode_selection_done (Editing::SnapMode);
1835         void snap_mode_chosen (Editing::SnapMode);
1836         void grid_type_chosen (Editing::GridType);
1837
1838         Glib::RefPtr<Gtk::RadioAction> grid_type_action (Editing::GridType);
1839         Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
1840
1841         //zoom focus meu stuff
1842         ArdourWidgets::ArdourDropdown   zoom_focus_selector;
1843         void zoom_focus_selection_done (Editing::ZoomFocus);
1844         void build_zoom_focus_menu ();
1845         std::vector<std::string> zoom_focus_strings;
1846
1847         void zoom_focus_chosen (Editing::ZoomFocus);
1848
1849         Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
1850
1851         Gtk::HBox _track_box;
1852
1853         Gtk::HBox _zoom_box;
1854         void zoom_adjustment_changed();
1855
1856         void setup_toolbar ();
1857
1858         void setup_tooltips ();
1859
1860         Gtk::HBox toolbar_hbox;
1861
1862         void setup_midi_toolbar ();
1863
1864         /* selection process */
1865
1866         Selection* selection;
1867         Selection* cut_buffer;
1868         SelectionMemento* _selection_memento;
1869
1870         void time_selection_changed ();
1871         void track_selection_changed ();
1872         void update_time_selection_display ();
1873         void presentation_info_changed (PBD::PropertyChange const &);
1874         void region_selection_changed ();
1875         sigc::connection editor_regions_selection_changed_connection;
1876         void sensitize_all_region_actions (bool);
1877         void sensitize_the_right_region_actions (bool because_canvas_crossing);
1878         bool _all_region_actions_sensitized;
1879         /** Flag to block region action handlers from doing what they normally do;
1880          *  I tried Gtk::Action::block_activate() but this doesn't work (ie it doesn't
1881          *  block) when setting a ToggleAction's active state.
1882          */
1883         bool _ignore_region_action;
1884         bool _last_region_menu_was_main;
1885         void point_selection_changed ();
1886         void marker_selection_changed ();
1887
1888         bool _track_selection_change_without_scroll;
1889         bool _editor_track_selection_change_without_scroll;
1890
1891         void cancel_selection ();
1892         void cancel_time_selection ();
1893
1894         bool get_smart_mode() const;
1895
1896         bool audio_region_selection_covers (samplepos_t where);
1897
1898         /* transport range select process */
1899
1900         ArdourCanvas::Rectangle* cd_marker_bar_drag_rect;
1901         ArdourCanvas::Rectangle* range_bar_drag_rect;
1902         ArdourCanvas::Rectangle* transport_bar_drag_rect;
1903         ArdourCanvas::Rectangle* transport_bar_range_rect;
1904         ArdourCanvas::Rectangle* transport_bar_preroll_rect;
1905         ArdourCanvas::Rectangle* transport_bar_postroll_rect;
1906         ArdourCanvas::Rectangle* transport_loop_range_rect;
1907         ArdourCanvas::Rectangle* transport_punch_range_rect;
1908         ArdourCanvas::Line*      transport_punchin_line;
1909         ArdourCanvas::Line*      transport_punchout_line;
1910         ArdourCanvas::Rectangle* transport_preroll_rect;
1911         ArdourCanvas::Rectangle* transport_postroll_rect;
1912
1913         ARDOUR::Location* transport_loop_location();
1914         ARDOUR::Location* transport_punch_location();
1915
1916         ARDOUR::Location* temp_location;
1917
1918         /* object rubberband select process */
1919
1920         void select_all_within (samplepos_t, samplepos_t, double, double, TrackViewList const &, Selection::Operation, bool);
1921
1922         ArdourCanvas::Rectangle* rubberband_rect;
1923
1924         EditorRouteGroups* _route_groups;
1925         EditorRoutes*      _routes;
1926         EditorRegions*     _regions;
1927         EditorSnapshots*   _snapshots;
1928         EditorLocations*   _locations;
1929
1930         /* diskstream/route display management */
1931         Glib::RefPtr<Gdk::Pixbuf> rec_enabled_icon;
1932         Glib::RefPtr<Gdk::Pixbuf> rec_disabled_icon;
1933
1934         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1935
1936         bool sync_track_view_list_and_routes ();
1937
1938         Gtk::VBox list_vpacker;
1939
1940         /* autoscrolling */
1941
1942         sigc::connection autoscroll_connection;
1943         bool autoscroll_horizontal_allowed;
1944         bool autoscroll_vertical_allowed;
1945         uint32_t autoscroll_cnt;
1946         Gtk::Widget* autoscroll_widget;
1947         ArdourCanvas::Rect autoscroll_boundary;
1948
1949         bool autoscroll_canvas ();
1950         void start_canvas_autoscroll (bool allow_horiz, bool allow_vert, const ArdourCanvas::Rect& boundary);
1951         void stop_canvas_autoscroll ();
1952
1953         /* trimming */
1954         void point_trim (GdkEvent *, samplepos_t);
1955
1956         void trim_region_front();
1957         void trim_region_back();
1958         void trim_region (bool front);
1959
1960         void trim_region_to_loop ();
1961         void trim_region_to_punch ();
1962         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1963
1964         void trim_to_region(bool forward);
1965         void trim_region_to_previous_region_end();
1966         void trim_region_to_next_region_start();
1967
1968         bool show_gain_after_trim;
1969
1970         /* Drag-n-Drop */
1971
1972         int convert_drop_to_paths (
1973                 std::vector<std::string>&           paths,
1974                 const Glib::RefPtr<Gdk::DragContext>& context,
1975                 gint                                  x,
1976                 gint                                  y,
1977                 const Gtk::SelectionData&             data,
1978                 guint                                 info,
1979                 guint                                 time);
1980
1981         void track_canvas_drag_data_received (
1982                 const Glib::RefPtr<Gdk::DragContext>& context,
1983                 gint                                  x,
1984                 gint                                  y,
1985                 const Gtk::SelectionData&             data,
1986                 guint                                 info,
1987                 guint                                 time);
1988
1989         void drop_paths (
1990                 const Glib::RefPtr<Gdk::DragContext>& context,
1991                 gint                                  x,
1992                 gint                                  y,
1993                 const Gtk::SelectionData&             data,
1994                 guint                                 info,
1995                 guint                                 time);
1996
1997         void drop_regions (
1998                 const Glib::RefPtr<Gdk::DragContext>& context,
1999                 gint                                  x,
2000                 gint                                  y,
2001                 const Gtk::SelectionData&             data,
2002                 guint                                 info,
2003                 guint                                 time);
2004
2005         void drop_routes (
2006                 const Glib::RefPtr<Gdk::DragContext>& context,
2007                 gint                x,
2008                 gint                y,
2009                 const Gtk::SelectionData& data,
2010                 guint               info,
2011                 guint               time);
2012
2013         /* audio export */
2014
2015         int  write_region_selection(RegionSelection&);
2016         bool write_region (std::string path, boost::shared_ptr<ARDOUR::AudioRegion>);
2017         void bounce_region_selection (bool with_processing);
2018         void bounce_range_selection (bool replace, bool enable_processing);
2019         void external_edit_region ();
2020
2021         int write_audio_selection (TimeSelection&);
2022         bool write_audio_range (ARDOUR::AudioPlaylist&, const ARDOUR::ChanCount& channels, std::list<ARDOUR::AudioRange>&);
2023
2024         void write_selection ();
2025
2026         uint32_t selection_op_cmd_depth;
2027         uint32_t selection_op_history_it;
2028
2029         std::list<XMLNode *> selection_op_history; /* used in *_reversible_selection_op */
2030         std::list<XMLNode *> before; /* used in *_reversible_command */
2031
2032         void update_title ();
2033         void update_title_s (const std::string & snapshot_name);
2034
2035         void instant_save ();
2036         bool no_save_instant;
2037
2038         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
2039
2040         /* freeze operations */
2041
2042         ARDOUR::InterThreadInfo freeze_status;
2043         static void* _freeze_thread (void*);
2044         void* freeze_thread ();
2045
2046         void freeze_route ();
2047         void unfreeze_route ();
2048
2049         /* duplication */
2050
2051         void duplicate_range (bool with_dialog);
2052         void duplicate_regions (float times);
2053
2054         /** computes the timeline sample (sample) of an event whose coordinates
2055          * are in canvas units (pixels, scroll offset included).
2056          */
2057         samplepos_t canvas_event_sample (GdkEvent const *, double* px = 0, double* py = 0) const;
2058
2059         /** computes the timeline sample (sample) of an event whose coordinates
2060          * are in window units (pixels, no scroll offset).
2061          */
2062         samplepos_t window_event_sample (GdkEvent const *, double* px = 0, double* py = 0) const;
2063
2064         /* returns false if mouse pointer is not in track or marker canvas
2065          */
2066         bool mouse_sample (samplepos_t&, bool& in_track_canvas) const;
2067
2068         TimeFXDialog* current_timefx;
2069         static void* timefx_thread (void *arg);
2070         void do_timefx ();
2071
2072         int time_stretch (RegionSelection&, float fraction);
2073         int pitch_shift (RegionSelection&, float cents);
2074         void pitch_shift_region ();
2075
2076         /* editor-mixer strip */
2077
2078         MixerStrip *current_mixer_strip;
2079         bool show_editor_mixer_when_tracks_arrive;
2080         Gtk::VBox current_mixer_strip_vbox;
2081         void cms_new (boost::shared_ptr<ARDOUR::Route>);
2082         void current_mixer_strip_hidden ();
2083
2084 #ifdef __APPLE__
2085         void ensure_all_elements_drawn ();
2086 #endif
2087         /* nudging tracks */
2088
2089         void nudge_track (bool use_edit_point, bool forwards);
2090
2091         static const int32_t default_width = 995;
2092         static const int32_t default_height = 765;
2093
2094         /* nudge */
2095
2096         ArdourWidgets::ArdourButton      nudge_forward_button;
2097         ArdourWidgets::ArdourButton      nudge_backward_button;
2098         Gtk::HBox        nudge_hbox;
2099         Gtk::VBox        nudge_vbox;
2100         AudioClock*       nudge_clock;
2101
2102         bool nudge_forward_release (GdkEventButton*);
2103         bool nudge_backward_release (GdkEventButton*);
2104
2105         /* audio filters */
2106
2107         void apply_filter (ARDOUR::Filter&, std::string cmd, ProgressReporter* progress = 0);
2108
2109         Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv);
2110         void apply_midi_note_edit_op (ARDOUR::MidiOperator& op, const RegionSelection& rs);
2111
2112         /* handling cleanup */
2113
2114         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
2115
2116         PBD::ScopedConnectionList session_connections;
2117
2118         /* tracking step changes of track height */
2119
2120         TimeAxisView* current_stepping_trackview;
2121         ARDOUR::microseconds_t last_track_height_step_timestamp;
2122         gint track_height_step_timeout();
2123         sigc::connection step_timeout;
2124
2125         TimeAxisView* entered_track;
2126         /** If the mouse is over a RegionView or one of its child canvas items, this is set up
2127             to point to the RegionView.  Otherwise it is 0.
2128         */
2129         RegionView*   entered_regionview;
2130
2131         std::vector<EnterContext> _enter_stack;
2132
2133         bool clear_entered_track;
2134         bool left_track_canvas (GdkEventCrossing*);
2135         bool entered_track_canvas (GdkEventCrossing*);
2136         void set_entered_track (TimeAxisView*);
2137         void set_entered_regionview (RegionView*);
2138         gint left_automation_track ();
2139
2140         void reset_canvas_action_sensitivity (bool);
2141         void set_gain_envelope_visibility ();
2142         void set_region_gain_visibility (RegionView*);
2143         void toggle_gain_envelope_active ();
2144         void reset_region_gain_envelopes ();
2145
2146         void session_state_saved (std::string);
2147
2148         Glib::RefPtr<Gtk::Action>              undo_action;
2149         Glib::RefPtr<Gtk::Action>              redo_action;
2150         Glib::RefPtr<Gtk::Action>              alternate_redo_action;
2151         Glib::RefPtr<Gtk::Action>              alternate_alternate_redo_action;
2152         Glib::RefPtr<Gtk::Action>              selection_undo_action;
2153         Glib::RefPtr<Gtk::Action>              selection_redo_action;
2154
2155         void history_changed ();
2156
2157         Editing::EditPoint _edit_point;
2158
2159         ArdourWidgets::ArdourDropdown edit_point_selector;
2160         void build_edit_point_menu();
2161
2162         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
2163         void cycle_edit_point (bool with_marker);
2164         void set_edit_point ();
2165         void edit_point_selection_done (Editing::EditPoint);
2166         void edit_point_chosen (Editing::EditPoint);
2167         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
2168         std::vector<std::string> edit_point_strings;
2169         std::vector<std::string> edit_mode_strings;
2170
2171         void selected_marker_moved (ARDOUR::Location*);
2172
2173         bool get_edit_op_range (samplepos_t& start, samplepos_t& end) const;
2174
2175         void get_regions_at (RegionSelection&, samplepos_t where, const TrackViewList& ts) const;
2176         void get_regions_after (RegionSelection&, samplepos_t where, const TrackViewList& ts) const;
2177
2178         RegionSelection get_regions_from_selection_and_edit_point (Editing::EditIgnoreOption = Editing::EDIT_IGNORE_NONE,
2179                                                                    bool use_context_click = false,
2180                                                                    bool from_outside_canvas = false);
2181         RegionSelection get_regions_from_selection_and_entered () const;
2182
2183         void start_updating_meters ();
2184         void stop_updating_meters ();
2185         bool meters_running;
2186
2187         void select_next_stripable (bool routes_only = true);
2188         void select_prev_stripable (bool routes_only = true);
2189
2190         ARDOUR::MusicSample snap_to_minsec (  ARDOUR::MusicSample start,
2191                                                           ARDOUR::RoundMode   direction,
2192                                                           ARDOUR::SnapPref    gpref);
2193
2194         ARDOUR::MusicSample snap_to_cd_frames (  ARDOUR::MusicSample start,
2195                                                              ARDOUR::RoundMode   direction,
2196                                                              ARDOUR::SnapPref    gpref );
2197
2198         ARDOUR::MusicSample snap_to_bbt (   ARDOUR::MusicSample start,
2199                                                         ARDOUR::RoundMode   direction,
2200                                                         ARDOUR::SnapPref    gpref );
2201
2202         ARDOUR::MusicSample snap_to_timecode (  ARDOUR::MusicSample start,
2203                                                             ARDOUR::RoundMode   direction,
2204                                                             ARDOUR::SnapPref    gpref );
2205
2206         ARDOUR::MusicSample snap_to_grid (      ARDOUR::MusicSample start,
2207                                                             ARDOUR::RoundMode   direction,
2208                                                             ARDOUR::SnapPref    gpref );
2209
2210         void snap_to_internal (ARDOUR::MusicSample& first,
2211                                ARDOUR::RoundMode   direction = ARDOUR::RoundNearest,
2212                                ARDOUR::SnapPref    gpref = ARDOUR::SnapToAny_Visual,
2213                                bool                ensure_snap = false);
2214
2215         samplepos_t snap_to_marker (samplepos_t        presnap,
2216                                     ARDOUR::RoundMode   direction = ARDOUR::RoundNearest);
2217
2218         RhythmFerret* rhythm_ferret;
2219
2220         void fit_tracks (TrackViewList &);
2221         void fit_selection ();
2222         void set_track_height (Height);
2223
2224         void _remove_tracks ();
2225         bool idle_remove_tracks ();
2226         void toggle_tracks_active ();
2227
2228         bool _have_idled;
2229         int resize_idle_id;
2230         static gboolean _idle_resize (gpointer);
2231         bool idle_resize();
2232         int32_t _pending_resize_amount;
2233         TimeAxisView* _pending_resize_view;
2234
2235         void visible_order_range (int*, int*) const;
2236
2237         void located ();
2238
2239         /** true if we've made a locate request that hasn't yet been processed */
2240         bool _pending_locate_request;
2241
2242         /** if true, there is a pending Session locate which is the initial one when loading a session;
2243             we need to know this so that we don't (necessarily) set the viewport to show the playhead
2244             initially.
2245         */
2246         bool _pending_initial_locate;
2247
2248         Gtk::HBox _summary_hbox;
2249         EditorSummary* _summary;
2250
2251         void region_view_added (RegionView *);
2252         void region_view_removed ();
2253
2254         EditorGroupTabs* _group_tabs;
2255         void fit_route_group (ARDOUR::RouteGroup *);
2256
2257         void step_edit_status_change (bool);
2258         void start_step_editing ();
2259         void stop_step_editing ();
2260         bool check_step_edit ();
2261         sigc::connection step_edit_connection;
2262
2263         double _last_motion_y;
2264
2265         RegionLayeringOrderEditor* layering_order_editor;
2266         void update_region_layering_order_editor ();
2267
2268         /** Track that was the source for the last cut/copy operation.  Used as a place
2269             to paste things iff there is no selected track.
2270         */
2271         TimeAxisView* _last_cut_copy_source_track;
2272
2273         /** true if a change in Selection->regions should change the selection in the region list.
2274             See EditorRegions::selection_changed.
2275         */
2276         bool _region_selection_change_updates_region_list;
2277
2278         void setup_fade_images ();
2279         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_in_images;
2280         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_out_images;
2281
2282         Gtk::MenuItem& action_menu_item (std::string const &);
2283         void action_pre_activated (Glib::RefPtr<Gtk::Action> const &);
2284
2285         MouseCursors* _cursors;
2286
2287         void follow_mixer_selection ();
2288         bool _following_mixer_selection;
2289
2290         int time_fx (ARDOUR::RegionList&, float val, bool pitching);
2291         void note_edit_done (int, EditNoteDialog*);
2292         void toggle_sound_midi_notes ();
2293
2294         /** Flag for a bit of a hack wrt control point selection; see set_selected_control_point_from_click */
2295         bool _control_point_toggled_on_press;
2296
2297         /** This is used by TimeAxisView to keep a track of the TimeAxisView that is currently being
2298             stepped in height using ScrollZoomVerticalModifier+Scrollwheel.  When a scroll event
2299             occurs, we do the step on this _stepping_axis_view if it is non-0 (and we set up this
2300             _stepping_axis_view with the TimeAxisView underneath the mouse if it is 0).  Then Editor
2301             resets _stepping_axis_view when the modifier key is released.  In this (hacky) way,
2302             pushing the modifier key and moving the scroll wheel will operate on the same track
2303             until the key is released (rather than skipping about to whatever happens to be
2304             underneath the mouse at the time).
2305         */
2306         TimeAxisView* _stepping_axis_view;
2307         void zoom_vertical_modifier_released();
2308
2309         void bring_in_callback (Gtk::Label*, uint32_t n, uint32_t total, std::string name);
2310         void update_bring_in_message (Gtk::Label* label, uint32_t n, uint32_t total, std::string name);
2311         void bring_all_sources_into_session ();
2312
2313         QuantizeDialog* quantize_dialog;
2314         MainMenuDisabler* _main_menu_disabler;
2315
2316         /* private helper functions to help with registering region actions */
2317
2318         Glib::RefPtr<Gtk::Action> register_region_action (Glib::RefPtr<Gtk::ActionGroup> group, Editing::RegionActionTarget, char const * name, char const * label, sigc::slot<void> slot);
2319         void register_toggle_region_action (Glib::RefPtr<Gtk::ActionGroup> group, Editing::RegionActionTarget, char const * name, char const * label, sigc::slot<void> slot);
2320
2321         Glib::RefPtr<Gtk::Action> reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const * name, char const * label, sigc::slot<void> slot);
2322         void toggle_reg_sens (Glib::RefPtr<Gtk::ActionGroup> group, char const * name, char const * label, sigc::slot<void> slot);
2323         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);
2324
2325         Gtkmm2ext::ActionMap myactions;
2326
2327         friend class Drag;
2328         friend class RegionCutDrag;
2329         friend class RegionDrag;
2330         friend class RegionMoveDrag;
2331         friend class RegionSpliceDrag;
2332         friend class RegionRippleDrag;
2333         friend class TrimDrag;
2334         friend class BBTRulerDrag;
2335         friend class MeterMarkerDrag;
2336         friend class TempoMarkerDrag;
2337         friend class CursorDrag;
2338         friend class FadeInDrag;
2339         friend class FadeOutDrag;
2340         friend class MarkerDrag;
2341         friend class RegionGainDrag;
2342         friend class ControlPointDrag;
2343         friend class LineDrag;
2344         friend class RubberbandSelectDrag;
2345         friend class EditorRubberbandSelectDrag;
2346         friend class TimeFXDrag;
2347         friend class ScrubDrag;
2348         friend class SelectionDrag;
2349         friend class RangeMarkerBarDrag;
2350         friend class MouseZoomDrag;
2351         friend class RegionCreateDrag;
2352         friend class RegionMotionDrag;
2353         friend class RegionInsertDrag;
2354         friend class VideoTimeLineDrag;
2355
2356         friend class EditorSummary;
2357         friend class EditorGroupTabs;
2358
2359         friend class EditorRoutes;
2360         friend class RhythmFerret;
2361 };
2362
2363 #endif /* __ardour_editor_h__ */