gtk2_ardour/editor.h

   1 /*
   2     Copyright (C) 2000-2003 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __ardour_editor_h__
  21 #define __ardour_editor_h__
  22
  23 #include <list>
  24 #include <map>
  25 #include <set>
  26 #include <string>
  27 #include <sys/time.h>
  28
  29 #include <boost/optional.hpp>
  30
  31 #include <libgnomecanvasmm/canvas.h>
  32 #include <libgnomecanvasmm/group.h>
  33 #include <libgnomecanvasmm/line.h>
  34 #include <libgnomecanvasmm/pixbuf.h>
  35
  36 #include <cmath>
  37
  38 #include <gtkmm/comboboxtext.h>
  39 #include <gtkmm/layout.h>
  40
  41 #include "gtkmm2ext/selector.h"
  42 #include "gtkmm2ext/click_box.h"
  43 #include "gtkmm2ext/dndtreeview.h"
  44 #include "gtkmm2ext/stateful_button.h"
  45
  46 #include "pbd/stateful.h"
  47 #include "pbd/signals.h"
  48
  49 #include "ardour/import_status.h"
  50 #include "ardour/tempo.h"
  51 #include "ardour/location.h"
  52 #include "ardour/types.h"
  53
  54 #include "gtk-custom-ruler.h"
  55 #include "ardour_dialog.h"
  56 #include "public_editor.h"
  57 #include "editing.h"
  58 #include "enums.h"
  59 #include "editor_items.h"
  60 #include "region_selection.h"
  61 #include "canvas.h"
  62 #include "window_proxy.h"
  63
  64 namespace Gnome { namespace Canvas {
  65         class NoEventText;
  66 } }
  67
  68 namespace Gtkmm2ext {
  69         class TearOff;
  70         class Bindings;
  71 }
  72
  73 namespace ARDOUR {
  74         class RouteGroup;
  75         class Playlist;
  76         class AudioPlaylist;
  77         class AudioRegion;
  78         class Region;
  79         class Location;
  80         class TempoSection;
  81         class NamedSelection;
  82         class Session;
  83         class Filter;
  84         class Crossfade;
  85         class ChanCount;
  86         class MidiOperator;
  87         class Track;
  88         class MidiTrack;
  89         class AudioTrack;
  90 }
  91
  92 namespace LADSPA {
  93         class Plugin;
  94 }
  95
  96 class AnalysisWindow;
  97 class AudioClock;
  98 class AudioRegionView;
  99 class AudioStreamView;
 100 class AudioTimeAxisView;
 101 class AutomationLine;
 102 class AutomationSelection;
 103 class AutomationTimeAxisView;
 104 class BundleManager;
 105 class ControlPoint;
 106 class CrossfadeView;
 107 class DragManager;
 108 class GroupedButtons;
 109 class GUIObjectState;
 110 class Marker;
 111 class MidiRegionView;
 112 class MixerStrip;
 113 class PlaylistSelector;
 114 class PluginSelector;
 115 class RhythmFerret;
 116 class Selection;
 117 class SoundFileOmega;
 118 class StreamView;
 119 class TempoLines;
 120 class TimeAxisView;
 121 class TimeFXDialog;
 122 class TimeSelection;
 123 class EditorGroupTabs;
 124 class EditorRoutes;
 125 class EditorRouteGroups;
 126 class EditorRegions;
 127 class EditorLocations;
 128 class EditorSnapshots;
 129 class EditorSummary;
 130 class RegionLayeringOrderEditor;
 131 class ProgressReporter;
 132 class EditorCursor;
 133 class MouseCursors;
 134 class VerboseCursor;
 135
 136 /* <CMT Additions> */
 137 class ImageFrameView;
 138 class ImageFrameTimeAxisView;
 139 class ImageFrameTimeAxis;
 140 class MarkerTimeAxis ;
 141 class MarkerView ;
 142 class ImageFrameSocketHandler ;
 143 class TimeAxisViewItem ;
 144 /* </CMT Additions> */
 145
 146 class Editor : public PublicEditor, public PBD::ScopedConnectionList, public ARDOUR::SessionHandlePtr
 147 {
 148   public:
 149         Editor ();
 150         ~Editor ();
 151
 152         void             set_session (ARDOUR::Session *);
 153         ARDOUR::Session* session() const { return _session; }
 154
 155         void             first_idle ();
 156         virtual bool     have_idled () const { return _have_idled; }
 157
 158         framepos_t leftmost_position() const { return leftmost_frame; }
 159
 160         framecnt_t current_page_frames() const {
 161                 return (framecnt_t) floor (_canvas_width * frames_per_unit);
 162         }
 163
 164         double canvas_height () const {
 165                 return _canvas_height;
 166         }
 167
 168         void cycle_snap_mode ();
 169         void cycle_snap_choice ();
 170         void set_snap_to (Editing::SnapType);
 171         void set_snap_mode (Editing::SnapMode);
 172         void set_snap_threshold (double pixel_distance) {snap_threshold = pixel_distance;}
 173
 174         Editing::SnapMode  snap_mode () const;
 175         Editing::SnapType  snap_type () const;
 176
 177         void undo (uint32_t n = 1);
 178         void redo (uint32_t n = 1);
 179
 180         XMLNode& get_state ();
 181         int set_state (const XMLNode&, int version);
 182
 183         void set_mouse_mode (Editing::MouseMode, bool force=true);
 184         void step_mouse_mode (bool next);
 185         Editing::MouseMode current_mouse_mode () const { return mouse_mode; }
 186         Editing::MidiEditMode current_midi_edit_mode () const;
 187         void remove_midi_note (ArdourCanvas::Item *, GdkEvent *);
 188
 189         bool internal_editing() const { return _internal_editing ; }
 190         void set_internal_edit (bool yn);
 191
 192 #ifdef WITH_CMT
 193         void add_imageframe_time_axis(const std::string & track_name, void*) ;
 194         void add_imageframe_marker_time_axis(const std::string & track_name, TimeAxisView* marked_track, void*) ;
 195         void connect_to_image_compositor() ;
 196         void scroll_timeaxis_to_imageframe_item(const TimeAxisViewItem* item) ;
 197         TimeAxisView* get_named_time_axis(const std::string & name) ;
 198 #endif /* WITH_CMT */
 199
 200         void foreach_time_axis_view (sigc::slot<void,TimeAxisView&>);
 201         void add_to_idle_resize (TimeAxisView*, int32_t);
 202
 203         RouteTimeAxisView* get_route_view_by_route_id (PBD::ID& id) const;
 204
 205         void consider_auditioning (boost::shared_ptr<ARDOUR::Region>);
 206         void hide_a_region (boost::shared_ptr<ARDOUR::Region>);
 207         void show_a_region (boost::shared_ptr<ARDOUR::Region>);
 208
 209 #ifdef USE_RUBBERBAND
 210         std::vector<std::string> rb_opt_strings;
 211         int rb_current_opt;
 212 #endif
 213
 214         /* things that need to be public to be used in the main menubar */
 215
 216         void new_region_from_selection ();
 217         void separate_regions_between (const TimeSelection&);
 218         void separate_region_from_selection ();
 219         void separate_under_selected_regions ();
 220         void separate_region_from_punch ();
 221         void separate_region_from_loop ();
 222         void separate_regions_using_location (ARDOUR::Location&);
 223         void transition_to_rolling (bool forward);
 224
 225         /* undo related */
 226
 227         framepos_t unit_to_frame (double unit) const {
 228                 return (framepos_t) rint (unit * frames_per_unit);
 229         }
 230
 231         double frame_to_unit (framepos_t frame) const {
 232                 return rint ((double) frame / (double) frames_per_unit);
 233         }
 234
 235         double frame_to_unit (double frame) const {
 236                 return rint (frame / frames_per_unit);
 237         }
 238
 239         /* NOTE: these functions assume that the "pixel" coordinate is
 240            the result of using the world->canvas affine transform on a
 241            world coordinate. These coordinates already take into
 242            account any scrolling carried out by adjusting the
 243            xscroll_adjustment.
 244         */
 245
 246         framepos_t pixel_to_frame (double pixel) const {
 247
 248                 /* pixel can be less than zero when motion events
 249                    are processed. since we've already run the world->canvas
 250                    affine, that means that the location *really* is "off
 251                    to the right" and thus really is "before the start".
 252                 */
 253
 254                 if (pixel >= 0) {
 255                         return (framepos_t) rint (pixel * frames_per_unit * GNOME_CANVAS(track_canvas->gobj())->pixels_per_unit);
 256                 } else {
 257                         return 0;
 258                 }
 259         }
 260
 261         gulong frame_to_pixel (framepos_t frame) const {
 262                 return (gulong) rint ((frame / (frames_per_unit * GNOME_CANVAS(track_canvas->gobj())->pixels_per_unit)));
 263         }
 264
 265         void flush_canvas ();
 266
 267         /* selection */
 268
 269         Selection& get_selection() const { return *selection; }
 270         Selection& get_cut_buffer() const { return *cut_buffer; }
 271
 272         bool extend_selection_to_track (TimeAxisView&);
 273
 274         void play_selection ();
 275         void select_all_in_track (Selection::Operation op);
 276         void select_all (Selection::Operation op);
 277         void invert_selection_in_track ();
 278         void invert_selection ();
 279         void deselect_all ();
 280
 281         void set_selected_regionview_from_region_list (boost::shared_ptr<ARDOUR::Region> region, Selection::Operation op = Selection::Set);
 282
 283         /* tempo */
 284
 285         void set_show_measures (bool yn);
 286         bool show_measures () const { return _show_measures; }
 287
 288         /* analysis window */
 289
 290         void analyze_region_selection();
 291         void analyze_range_selection();
 292
 293         /* export */
 294
 295         void export_audio ();
 296         void stem_export ();
 297         void export_selection ();
 298         void export_range ();
 299         void export_region ();
 300
 301         void add_toplevel_controls (Gtk::Container&);
 302         Gtk::HBox& get_status_bar_packer()  { return status_bar_hpacker; }
 303
 304         void               set_zoom_focus (Editing::ZoomFocus);
 305         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
 306         double             get_current_zoom () const { return frames_per_unit; }
 307
 308         void temporal_zoom_step (bool coarser);
 309         void tav_zoom_step (bool coarser);
 310
 311         /* stuff that AudioTimeAxisView and related classes use */
 312
 313         PlaylistSelector& playlist_selector() const;
 314         void clear_playlist (boost::shared_ptr<ARDOUR::Playlist>);
 315
 316         void new_playlists (TimeAxisView* v);
 317         void copy_playlists (TimeAxisView* v);
 318         void clear_playlists (TimeAxisView* v);
 319
 320         void get_onscreen_tracks (TrackViewList&);
 321
 322         Width editor_mixer_strip_width;
 323         void maybe_add_mixer_strip_width (XMLNode&);
 324         void show_editor_mixer (bool yn);
 325         void create_editor_mixer ();
 326         void show_editor_list (bool yn);
 327         void set_selected_mixer_strip (TimeAxisView&);
 328         void mixer_strip_width_changed ();
 329         void hide_track_in_display (TimeAxisView* tv, bool apply_to_selection = false);
 330
 331         /* nudge is initiated by transport controls owned by ARDOUR_UI */
 332
 333         framecnt_t get_nudge_distance (framepos_t pos, framecnt_t& next);
 334         Evoral::MusicalTime get_grid_type_as_beats (bool& success, framepos_t position);
 335
 336         void nudge_forward (bool next, bool force_playhead);
 337         void nudge_backward (bool next, bool force_playhead);
 338
 339         /* nudge initiated from context menu */
 340
 341         void nudge_forward_capture_offset ();
 342         void nudge_backward_capture_offset ();
 343
 344         /* playhead/screen stuff */
 345
 346         void set_stationary_playhead (bool yn);
 347         void toggle_stationary_playhead ();
 348         bool stationary_playhead() const { return _stationary_playhead; }
 349
 350         void set_follow_playhead (bool yn, bool catch_up = true);
 351         void toggle_follow_playhead ();
 352         bool follow_playhead() const { return _follow_playhead; }
 353         bool dragging_playhead () const { return _dragging_playhead; }
 354
 355         void toggle_zero_line_visibility ();
 356         void set_summary ();
 357         void set_group_tabs ();
 358         void toggle_measure_visibility ();
 359         void toggle_logo_visibility ();
 360
 361         /* fades/xfades */
 362
 363         void toggle_region_fades (int dir);
 364         void update_region_fade_visibility ();
 365         bool xfade_visibility() const { return _xfade_visibility; }
 366         void update_xfade_visibility ();
 367
 368         /* redirect shared ops menu. caller must free returned menu */
 369
 370         Gtk::Menu* redirect_menu ();
 371
 372         /* floating windows/transient */
 373
 374         void ensure_float (Gtk::Window&);
 375
 376         void show_window ();
 377
 378         void scroll_tracks_down_line ();
 379         void scroll_tracks_up_line ();
 380
 381         void prepare_for_cleanup ();
 382         void finish_cleanup ();
 383
 384         void maximise_editing_space();
 385         void restore_editing_space();
 386
 387         void reset_x_origin (framepos_t);
 388         void reset_x_origin_to_follow_playhead ();
 389         void reset_y_origin (double);
 390         void reset_zoom (double);
 391         void reposition_and_zoom (framepos_t, double);
 392
 393         framepos_t get_preferred_edit_position (bool ignore_playhead = false);
 394
 395         bool update_mouse_speed ();
 396         bool decelerate_mouse_speed ();
 397
 398         void toggle_meter_updating();
 399
 400         void show_rhythm_ferret();
 401
 402         void goto_visual_state (uint32_t);
 403         void save_visual_state (uint32_t);
 404
 405         void queue_draw_resize_line (int at);
 406         void start_resize_line_ops ();
 407         void end_resize_line_ops ();
 408
 409         TrackViewList const & get_track_views () {
 410                 return track_views;
 411         }
 412
 413         int get_regionview_count_from_region_list (boost::shared_ptr<ARDOUR::Region>);
 414
 415         void do_import (std::vector<std::string> paths, Editing::ImportDisposition, Editing::ImportMode mode, ARDOUR::SrcQuality, framepos_t&);
 416         void do_embed (std::vector<std::string> paths, Editing::ImportDisposition, Editing::ImportMode mode,  framepos_t&);
 417
 418         void get_regions_corresponding_to (boost::shared_ptr<ARDOUR::Region> region, std::vector<RegionView*>& regions);
 419
 420         void center_screen (framepos_t);
 421
 422         TrackViewList axis_views_from_routes (boost::shared_ptr<ARDOUR::RouteList>) const;
 423         Gtkmm2ext::TearOff* mouse_mode_tearoff () const { return _mouse_mode_tearoff; }
 424         Gtkmm2ext::TearOff* tools_tearoff () const { return _tools_tearoff; }
 425
 426         void snap_to (framepos_t& first, int32_t direction = 0, bool for_mark = false);
 427         void snap_to_with_modifier (framepos_t& first, GdkEvent const *, int32_t direction = 0, bool for_mark = false);
 428         void snap_to (framepos_t& first, framepos_t& last, int32_t direction = 0, bool for_mark = false);
 429
 430         void begin_reversible_command (std::string cmd_name);
 431         void begin_reversible_command (GQuark);
 432         void commit_reversible_command ();
 433
 434         DragManager* drags () const {
 435                 return _drags;
 436         }
 437
 438         void maybe_autoscroll (bool, bool);
 439
 440         Gdk::Cursor* get_canvas_cursor () const { return current_canvas_cursor; }
 441         void set_canvas_cursor (Gdk::Cursor*, bool save=false);
 442         void set_current_trimmable (boost::shared_ptr<ARDOUR::Trimmable>);
 443         void set_current_movable (boost::shared_ptr<ARDOUR::Movable>);
 444
 445         MouseCursors const * cursors () const {
 446                 return _cursors;
 447         }
 448
 449         VerboseCursor* verbose_cursor () const {
 450                 return _verbose_cursor;
 451         }
 452
 453         void get_pointer_position (double &, double &) const;
 454
 455   protected:
 456         void map_transport_state ();
 457         void map_position_change (framepos_t);
 458
 459         void on_realize();
 460
 461   private:
 462
 463         void color_handler ();
 464
 465         bool                 constructed;
 466
 467         // to keep track of the playhead position for control_scroll
 468         boost::optional<framepos_t> _control_scroll_target;
 469
 470         PlaylistSelector* _playlist_selector;
 471
 472         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
 473
 474         struct VisualState {
 475             VisualState();
 476             ~VisualState ();
 477             double              y_position;
 478             double              frames_per_unit;
 479             framepos_t          leftmost_frame;
 480             Editing::ZoomFocus  zoom_focus;
 481             GUIObjectState*     gui_state;
 482         };
 483
 484         std::list<VisualState*> undo_visual_stack;
 485         std::list<VisualState*> redo_visual_stack;
 486         VisualState* current_visual_state (bool with_tracks = true);
 487         void undo_visual_state ();
 488         void redo_visual_state ();
 489         void use_visual_state (VisualState&);
 490         bool no_save_visual;
 491         void swap_visual_state ();
 492
 493         std::vector<VisualState*> visual_states;
 494         sigc::connection visual_state_op_connection;
 495         void start_visual_state_op (uint32_t n);
 496         void cancel_visual_state_op (uint32_t n);
 497         bool end_visual_state_op (uint32_t n);
 498
 499         framepos_t leftmost_frame;
 500         double      frames_per_unit;
 501         Editing::ZoomFocus zoom_focus;
 502
 503         void set_frames_per_unit (double);
 504         void post_zoom ();
 505
 506         Editing::MouseMode mouse_mode;
 507         Editing::MouseMode pre_internal_mouse_mode;
 508         bool _internal_editing;
 509         Editing::MouseMode effective_mouse_mode () const;
 510
 511         enum JoinObjectRangeState {
 512                 JOIN_OBJECT_RANGE_NONE,
 513                 /** `join object/range' mode is active and the mouse is over a place where object mode should happen */
 514                 JOIN_OBJECT_RANGE_OBJECT,
 515                 /** `join object/range' mode is active and the mouse is over a place where range mode should happen */
 516                 JOIN_OBJECT_RANGE_RANGE
 517         };
 518
 519         JoinObjectRangeState _join_object_range_state;
 520
 521         void update_join_object_range_location (double, double);
 522
 523         int  post_maximal_editor_width;
 524         int  post_maximal_editor_height;
 525         int  post_maximal_horizontal_pane_position;
 526         int  post_maximal_vertical_pane_position;
 527         int  pre_maximal_horizontal_pane_position;
 528         int  pre_maximal_vertical_pane_position;
 529         int  pre_maximal_editor_width;
 530         int  pre_maximal_editor_height;
 531         void pane_allocation_handler (Gtk::Allocation&, Gtk::Paned*);
 532
 533         Gtk::Notebook _the_notebook;
 534         bool _notebook_shrunk;
 535         void add_notebook_page (std::string const &, Gtk::Widget &);
 536         bool notebook_tab_clicked (GdkEventButton *, Gtk::Widget *);
 537
 538         Gtk::HPaned   edit_pane;
 539         Gtk::VPaned   editor_summary_pane;
 540
 541         bool idle_reset_vertical_pane_position (int);
 542
 543         Gtk::EventBox meter_base;
 544         Gtk::HBox     meter_box;
 545         Gtk::EventBox marker_base;
 546         Gtk::HBox     marker_box;
 547         Gtk::VBox     scrollers_rulers_markers_box;
 548
 549         void location_changed (ARDOUR::Location *);
 550         void location_flags_changed (ARDOUR::Location *, void *);
 551         void refresh_location_display ();
 552         void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
 553         void add_new_location (ARDOUR::Location *);
 554         ArdourCanvas::Group* add_new_location_internal (ARDOUR::Location *);
 555         void location_gone (ARDOUR::Location *);
 556         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
 557         gint really_remove_marker (ARDOUR::Location* loc);
 558         void goto_nth_marker (int nth);
 559         void toggle_marker_lines ();
 560         void set_marker_line_visibility (bool);
 561
 562         uint32_t location_marker_color;
 563         uint32_t location_range_color;
 564         uint32_t location_loop_color;
 565         uint32_t location_punch_color;
 566         uint32_t location_cd_marker_color;
 567
 568         struct LocationMarkers {
 569                 Marker* start;
 570                 Marker* end;
 571                 bool    valid;
 572
 573                 LocationMarkers () : start(0), end(0), valid (true) {}
 574
 575                 ~LocationMarkers ();
 576
 577                 void hide ();
 578                 void show ();
 579
 580                 void set_show_lines (bool);
 581                 void set_selected (bool);
 582                 void canvas_height_set (double);
 583                 void setup_lines ();
 584
 585                 void set_name (const std::string&);
 586                 void set_position (framepos_t start, framepos_t end = 0);
 587                 void set_color_rgba (uint32_t);
 588         };
 589
 590         LocationMarkers  *find_location_markers (ARDOUR::Location *) const;
 591         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start) const;
 592         Marker* entered_marker;
 593         bool _show_marker_lines;
 594
 595         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
 596         LocationMarkerMap location_markers;
 597
 598         void update_marker_labels ();
 599         void update_marker_labels (ArdourCanvas::Group *);
 600         void check_marker_label (Marker *);
 601
 602         /** A set of lists of Markers that are in each of the canvas groups
 603          *  for the marker sections at the top of the editor.  These lists
 604          *  are kept sorted in time order between marker movements, so that after
 605          *  a marker has moved we can decide whether we need to update the labels
 606          *  for all markers or for just a few.
 607          */
 608         std::map<ArdourCanvas::Group *, std::list<Marker *> > _sorted_marker_lists;
 609         void remove_sorted_marker (Marker *);
 610
 611         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
 612         void clear_marker_display ();
 613         void mouse_add_new_marker (framepos_t where, bool is_cd=false, bool is_xrun=false);
 614         bool choose_new_marker_name(std::string &name);
 615         void update_cd_marker_display ();
 616         void ensure_cd_marker_updated (LocationMarkers * lam, ARDOUR::Location * location);
 617
 618         TimeAxisView*      clicked_axisview;
 619         RouteTimeAxisView* clicked_routeview;
 620         /** The last RegionView that was clicked on, or 0 if the last click was not
 621          * on a RegionView.  This is set up by the canvas event handlers in
 622          * editor_canvas_events.cc
 623          */
 624         RegionView*        clicked_regionview;
 625         RegionSelection    latest_regionviews;
 626         uint32_t           clicked_selection;
 627         CrossfadeView*     clicked_crossfadeview;
 628         ControlPoint*      clicked_control_point;
 629
 630         void sort_track_selection (TrackViewList* sel = 0);
 631
 632         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*> &, PBD::PropertyID) const;
 633         RegionSelection get_equivalent_regions (RegionSelection &, PBD::PropertyID) const;
 634         void mapover_tracks (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
 635
 636         /* functions to be passed to mapover_tracks(), possibly with sigc::bind()-supplied arguments */
 637
 638         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView *, std::vector<RegionView*>*) const;
 639         void mapped_use_new_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 640         void mapped_use_copy_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 641         void mapped_clear_playlist (RouteTimeAxisView&, uint32_t);
 642
 643         /* end */
 644
 645         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
 646         bool button_release_can_deselect;
 647
 648         void catch_vanishing_regionview (RegionView *);
 649
 650         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
 651         void select_all_tracks ();
 652         void select_all_internal_edit (Selection::Operation);
 653
 654         bool set_selected_control_point_from_click (Selection::Operation op = Selection::Set, bool no_remove=false);
 655         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
 656         void set_selected_track_as_side_effect (Selection::Operation op, bool force = false);
 657         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set, bool no_track_remove=false);
 658
 659         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
 660         void collect_new_region_view (RegionView *);
 661         void collect_and_select_new_region_view (RegionView *);
 662
 663         long select_range_around_region (RegionView *);
 664
 665         Gtk::Menu track_context_menu;
 666         Gtk::Menu track_region_context_menu;
 667         Gtk::Menu track_selection_context_menu;
 668         Gtk::Menu track_crossfade_context_menu;
 669
 670         Gtk::MenuItem* region_edit_menu_split_item;
 671         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
 672         Gtk::Menu * track_region_edit_playlist_menu;
 673         Gtk::Menu * track_edit_playlist_submenu;
 674         Gtk::Menu * track_selection_edit_playlist_submenu;
 675
 676         void popup_track_context_menu (int, int, ItemType, bool);
 677         Gtk::Menu* build_track_context_menu ();
 678         Gtk::Menu* build_track_bus_context_menu ();
 679         Gtk::Menu* build_track_region_context_menu ();
 680         Gtk::Menu* build_track_crossfade_context_menu ();
 681         Gtk::Menu* build_track_selection_context_menu ();
 682         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 683         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 684         void add_region_context_items (Gtk::Menu_Helpers::MenuList&, boost::shared_ptr<ARDOUR::Track>);
 685         void add_crossfade_context_items (AudioStreamView*, boost::shared_ptr<ARDOUR::Crossfade>, Gtk::Menu_Helpers::MenuList&, bool many);
 686         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 687         Gtk::MenuItem* _popup_region_menu_item;
 688
 689         void handle_new_route (ARDOUR::RouteList&);
 690         void timeaxisview_deleted (TimeAxisView *);
 691
 692         Gtk::HBox           global_hpacker;
 693         Gtk::VBox           global_vpacker;
 694         Gtk::VBox           vpacker;
 695
 696         Gdk::Cursor*          current_canvas_cursor;
 697         Gdk::Cursor* which_grabber_cursor ();
 698         void set_canvas_cursor ();
 699
 700         ArdourCanvas::Canvas* track_canvas;
 701
 702         friend class VerboseCursor;
 703         VerboseCursor* _verbose_cursor;
 704
 705         void parameter_changed (std::string);
 706
 707         bool track_canvas_motion (GdkEvent*);
 708
 709         Gtk::EventBox             time_canvas_event_box;
 710         Gtk::EventBox             track_canvas_event_box;
 711         Gtk::EventBox             time_button_event_box;
 712         Gtk::EventBox             ruler_label_event_box;
 713
 714         ArdourCanvas::Group      *minsec_group;
 715         ArdourCanvas::Pixbuf     *logo_item;
 716         ArdourCanvas::Group      *bbt_group;
 717         ArdourCanvas::Group      *timecode_group;
 718         ArdourCanvas::Group      *frame_group;
 719         ArdourCanvas::Group      *tempo_group;
 720         ArdourCanvas::Group      *meter_group;
 721         ArdourCanvas::Group      *marker_group;
 722         ArdourCanvas::Group      *range_marker_group;
 723         ArdourCanvas::Group      *transport_marker_group;
 724         ArdourCanvas::Group*      cd_marker_group;
 725
 726         ArdourCanvas::Group*      timebar_group;
 727
 728         /* These bars never need to be scrolled */
 729         ArdourCanvas::Group*      meter_bar_group;
 730         ArdourCanvas::Group*      tempo_bar_group;
 731         ArdourCanvas::Group*      marker_bar_group;
 732         ArdourCanvas::Group*      range_marker_bar_group;
 733         ArdourCanvas::Group*      transport_marker_bar_group;
 734         ArdourCanvas::Group*      cd_marker_bar_group;
 735
 736         /** The group containing all items that require horizontal scrolling. */
 737         ArdourCanvas::Group* _background_group;
 738         /*
 739            The _master_group is the group containing all items
 740            that require horizontal scrolling..
 741            It is primarily used to separate canvas items
 742            that require horizontal scrolling from those that do not.
 743         */
 744         ArdourCanvas::Group* _master_group;
 745
 746         /* The group containing all trackviews.  Only scrolled vertically. */
 747         ArdourCanvas::Group* _trackview_group;
 748
 749         /* The group used for region motion.  Sits on top of _trackview_group */
 750         ArdourCanvas::Group* _region_motion_group;
 751
 752         enum RulerType {
 753                 ruler_metric_timecode = 0,
 754                 ruler_metric_bbt = 1,
 755                 ruler_metric_samples = 2,
 756                 ruler_metric_minsec = 3,
 757
 758                 ruler_time_tempo = 4,
 759                 ruler_time_meter = 5,
 760                 ruler_time_marker = 6,
 761                 ruler_time_range_marker = 7,
 762                 ruler_time_transport_marker = 8,
 763                 ruler_time_cd_marker = 9,
 764         };
 765
 766         static GtkCustomMetric ruler_metrics[4];
 767         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
 768         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
 769         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
 770         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
 771         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
 772         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
 773         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
 774         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
 775         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
 776         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
 777         bool                            no_ruler_shown_update;
 778
 779         bool ruler_button_press (GdkEventButton*);
 780         bool ruler_button_release (GdkEventButton*);
 781         bool ruler_mouse_motion (GdkEventMotion*);
 782         bool ruler_scroll (GdkEventScroll* event);
 783
 784         Gtk::Widget * ruler_grabbed_widget;
 785
 786         void initialize_rulers ();
 787         void update_just_timecode ();
 788         void compute_fixed_ruler_scale (); //calculates the RulerScale of the fixed rulers
 789         void update_fixed_rulers ();
 790         void update_tempo_based_rulers ();
 791         void popup_ruler_menu (framepos_t where = 0, ItemType type = RegionItem);
 792         void update_ruler_visibility ();
 793         void set_ruler_visible (RulerType, bool);
 794         void toggle_ruler_visibility (RulerType rt);
 795         void ruler_toggled (int);
 796         bool ruler_label_button_release (GdkEventButton*);
 797         void store_ruler_visibility ();
 798         void restore_ruler_visibility ();
 799
 800         static gint _metric_get_timecode (GtkCustomRulerMark **, gdouble, gdouble, gint);
 801         static gint _metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
 802         static gint _metric_get_samples (GtkCustomRulerMark **, gdouble, gdouble, gint);
 803         static gint _metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
 804
 805         enum MinsecRulerScale {
 806                 minsec_show_seconds,
 807                 minsec_show_minutes,
 808                 minsec_show_hours,
 809                 minsec_show_frames
 810         };
 811
 812         MinsecRulerScale minsec_ruler_scale;
 813
 814         framecnt_t minsec_mark_interval;
 815         gint minsec_mark_modulo;
 816         gint minsec_nmarks;
 817         void set_minsec_ruler_scale (framepos_t, framepos_t);
 818
 819         enum TimecodeRulerScale {
 820                 timecode_show_bits,
 821                 timecode_show_frames,
 822                 timecode_show_seconds,
 823                 timecode_show_minutes,
 824                 timecode_show_hours
 825         };
 826
 827         TimecodeRulerScale timecode_ruler_scale;
 828
 829         gint timecode_mark_modulo;
 830         gint timecode_nmarks;
 831         void set_timecode_ruler_scale (framepos_t, framepos_t);
 832
 833         framecnt_t _samples_ruler_interval;
 834         void set_samples_ruler_scale (framepos_t, framepos_t);
 835
 836         enum BBTRulerScale {
 837                 bbt_over,
 838                 bbt_show_64,
 839                 bbt_show_16,
 840                 bbt_show_4,
 841                 bbt_show_1,
 842                 bbt_show_beats,
 843                 bbt_show_ticks,
 844                 bbt_show_ticks_detail,
 845                 bbt_show_ticks_super_detail
 846         };
 847
 848         BBTRulerScale bbt_ruler_scale;
 849
 850         uint32_t bbt_bars;
 851         gint bbt_nmarks;
 852         uint32_t bbt_bar_helper_on;
 853         uint32_t bbt_accent_modulo;
 854         void compute_bbt_ruler_scale (framepos_t lower, framepos_t upper);
 855
 856         gint metric_get_timecode (GtkCustomRulerMark **, gdouble, gdouble, gint);
 857         gint metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
 858         gint metric_get_samples (GtkCustomRulerMark **, gdouble, gdouble, gint);
 859         gint metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
 860
 861         Gtk::Widget        *_ruler_separator;
 862         GtkWidget          *_timecode_ruler;
 863         GtkWidget          *_bbt_ruler;
 864         GtkWidget          *_samples_ruler;
 865         GtkWidget          *_minsec_ruler;
 866         Gtk::Widget        *timecode_ruler;
 867         Gtk::Widget        *bbt_ruler;
 868         Gtk::Widget        *samples_ruler;
 869         Gtk::Widget        *minsec_ruler;
 870         static Editor      *ruler_editor;
 871
 872         static const double timebar_height;
 873         guint32 visible_timebars;
 874         gdouble canvas_timebars_vsize;
 875         gdouble get_canvas_timebars_vsize () const { return canvas_timebars_vsize; }
 876         Gtk::Menu          *editor_ruler_menu;
 877
 878         ArdourCanvas::SimpleRect* tempo_bar;
 879         ArdourCanvas::SimpleRect* meter_bar;
 880         ArdourCanvas::SimpleRect* marker_bar;
 881         ArdourCanvas::SimpleRect* range_marker_bar;
 882         ArdourCanvas::SimpleRect* transport_marker_bar;
 883         ArdourCanvas::SimpleRect* cd_marker_bar;
 884
 885         Gtk::Label  minsec_label;
 886         Gtk::Label  bbt_label;
 887         Gtk::Label  timecode_label;
 888         Gtk::Label  samples_label;
 889         Gtk::Label  tempo_label;
 890         Gtk::Label  meter_label;
 891         Gtk::Label  mark_label;
 892         Gtk::Label  range_mark_label;
 893         Gtk::Label  transport_mark_label;
 894         Gtk::Label  cd_mark_label;
 895
 896         Gtk::VBox          time_button_vbox;
 897         Gtk::HBox          time_button_hbox;
 898
 899         friend class EditorCursor;
 900
 901         EditorCursor*        playhead_cursor;
 902         ArdourCanvas::Group* cursor_group;
 903
 904         framepos_t get_region_boundary (framepos_t pos, int32_t dir, bool with_selection, bool only_onscreen);
 905
 906         void    cursor_to_region_boundary (bool with_selection, int32_t dir);
 907         void    cursor_to_next_region_boundary (bool with_selection);
 908         void    cursor_to_previous_region_boundary (bool with_selection);
 909         void    cursor_to_next_region_point (EditorCursor*, ARDOUR::RegionPoint);
 910         void    cursor_to_previous_region_point (EditorCursor*, ARDOUR::RegionPoint);
 911         void    cursor_to_region_point (EditorCursor*, ARDOUR::RegionPoint, int32_t dir);
 912         void    cursor_to_selection_start (EditorCursor *);
 913         void    cursor_to_selection_end   (EditorCursor *);
 914
 915         void    selected_marker_to_region_boundary (bool with_selection, int32_t dir);
 916         void    selected_marker_to_next_region_boundary (bool with_selection);
 917         void    selected_marker_to_previous_region_boundary (bool with_selection);
 918         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
 919         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
 920         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
 921         void    selected_marker_to_selection_start ();
 922         void    selected_marker_to_selection_end   ();
 923
 924         void    select_all_selectables_using_cursor (EditorCursor *, bool);
 925         void    select_all_selectables_using_edit (bool);
 926         void    select_all_selectables_between (bool within);
 927         void    select_range_between ();
 928
 929         boost::shared_ptr<ARDOUR::Region> find_next_region (ARDOUR::framepos_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
 930         ARDOUR::framepos_t find_next_region_boundary (ARDOUR::framepos_t, int32_t dir, const TrackViewList&);
 931
 932         std::vector<ARDOUR::framepos_t> region_boundary_cache;
 933         void build_region_boundary_cache ();
 934
 935         Gtk::HBox           top_hbox;
 936         Gtk::HBox           bottom_hbox;
 937
 938         Gtk::Table          edit_packer;
 939
 940         Gtk::Adjustment     vertical_adjustment;
 941
 942         Gtk::Layout         controls_layout;
 943         bool control_layout_scroll (GdkEventScroll* ev);
 944         void reset_controls_layout_width ();
 945         void reset_controls_layout_height (int32_t height);
 946
 947         enum Direction {
 948                 LEFT,
 949                 RIGHT,
 950                 UP,
 951                 DOWN
 952         };
 953
 954         bool scroll_press (Direction);
 955         void scroll_release ();
 956         sigc::connection _scroll_connection;
 957         int _scroll_callbacks;
 958
 959         double _canvas_width;
 960         double _canvas_height; ///< height of the visible area of the track canvas
 961         double full_canvas_height; ///< full height of the canvas
 962
 963         bool track_canvas_map_handler (GdkEventAny*);
 964
 965         bool edit_controls_button_release (GdkEventButton*);
 966         Gtk::Menu *edit_controls_left_menu;
 967         Gtk::Menu *edit_controls_right_menu;
 968
 969         Gtk::VBox           ruler_label_vbox;
 970         Gtk::VBox           track_canvas_vbox;
 971         Gtk::VBox           time_canvas_vbox;
 972         Gtk::VBox           edit_controls_vbox;
 973         Gtk::HBox           edit_controls_hbox;
 974
 975         void control_scroll (float);
 976         void access_action (std::string,std::string);
 977         bool deferred_control_scroll (framepos_t);
 978         sigc::connection control_scroll_connection;
 979
 980         gdouble get_trackview_group_vertical_offset () const { return vertical_adjustment.get_value () - canvas_timebars_vsize;}
 981
 982         ArdourCanvas::Group* get_background_group () const { return _background_group; }
 983         ArdourCanvas::Group* get_trackview_group () const { return _trackview_group; }
 984         double last_trackview_group_vertical_offset;
 985         void tie_vertical_scrolling ();
 986         void set_horizontal_position (double);
 987         double horizontal_position () const;
 988         void scroll_canvas_vertically ();
 989
 990         struct VisualChange {
 991                 enum Type {
 992                         TimeOrigin = 0x1,
 993                         ZoomLevel = 0x2,
 994                         YOrigin = 0x4
 995                 };
 996
 997                 Type pending;
 998                 framepos_t time_origin;
 999                 double frames_per_unit;
1000                 double y_origin;
1001
1002                 int idle_handler_id;
1003
1004                 VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), frames_per_unit (0), idle_handler_id (-1) {}
1005                 void add (Type t) {
1006                         pending = Type (pending | t);
1007                 }
1008         };
1009
1010
1011         VisualChange pending_visual_change;
1012
1013         static int _idle_visual_changer (void *arg);
1014         int idle_visual_changer ();
1015
1016         void queue_visual_change (framepos_t);
1017         void queue_visual_change (double);
1018         void queue_visual_change_y (double);
1019         void ensure_visual_change_idle_handler ();
1020
1021         /* track views */
1022         TrackViewList track_views;
1023         std::pair<TimeAxisView*, ARDOUR::layer_t> trackview_by_y_position (double);
1024         TimeAxisView* axis_view_from_route (boost::shared_ptr<ARDOUR::Route>) const;
1025
1026         TrackViewList get_tracks_for_range_action () const;
1027
1028         sigc::connection super_rapid_screen_update_connection;
1029         framepos_t last_update_frame;
1030         void center_screen_internal (framepos_t, float);
1031
1032         void super_rapid_screen_update ();
1033
1034         void session_going_away ();
1035
1036         framepos_t cut_buffer_start;
1037         framecnt_t cut_buffer_length;
1038
1039         Gdk::Cursor* pre_press_cursor;
1040         boost::weak_ptr<ARDOUR::Trimmable> _trimmable;
1041         boost::weak_ptr<ARDOUR::Movable> _movable;
1042
1043         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1044         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1045         bool button_press_handler_1 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1046         bool button_press_handler_2 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1047         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1048         bool button_press_dispatch (GdkEventButton*);
1049         bool button_release_dispatch (GdkEventButton*);
1050         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, bool from_autoscroll = false);
1051         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1052         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1053
1054         Gtkmm2ext::Bindings* button_bindings;
1055         XMLNode* button_settings () const;
1056
1057         /* KEYMAP HANDLING */
1058
1059         void register_actions ();
1060         void register_region_actions ();
1061
1062         int ensure_cursor (framepos_t* pos);
1063
1064         void cut_copy (Editing::CutCopyOp);
1065         bool can_cut_copy () const;
1066         void cut_copy_points (Editing::CutCopyOp);
1067         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1068         void cut_copy_ranges (Editing::CutCopyOp);
1069         void cut_copy_midi (Editing::CutCopyOp);
1070
1071         void mouse_paste ();
1072         void paste_internal (framepos_t position, float times);
1073
1074         /* EDITING OPERATIONS */
1075
1076         void reset_point_selection ();
1077         void toggle_region_lock ();
1078         void toggle_opaque_region ();
1079         void toggle_record_enable ();
1080         void toggle_region_lock_style ();
1081         void raise_region ();
1082         void raise_region_to_top ();
1083         void change_region_layering_order ();
1084         void lower_region ();
1085         void lower_region_to_bottom ();
1086         void split_regions_at (framepos_t, RegionSelection&);
1087         void split_region_at_transients ();
1088         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret, bool select_new = false);
1089         void crop_region_to_selection ();
1090         void crop_region_to (framepos_t start, framepos_t end);
1091         void set_sync_point (framepos_t, const RegionSelection&);
1092         void set_region_sync_position ();
1093         void remove_region_sync();
1094         void align_regions (ARDOUR::RegionPoint);
1095         void align_regions_relative (ARDOUR::RegionPoint point);
1096         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, framepos_t position);
1097         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, framepos_t position);
1098         void remove_selected_regions ();
1099         void remove_clicked_region ();
1100         void show_region_properties ();
1101         void show_midi_list_editor ();
1102         void rename_region ();
1103         void duplicate_some_regions (RegionSelection&, float times);
1104         void duplicate_selection (float times);
1105         void region_fill_selection ();
1106         void combine_regions ();
1107         void uncombine_regions ();
1108
1109         void region_fill_track ();
1110         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1111         void audition_playlist_region_via_route (boost::shared_ptr<ARDOUR::Region>, ARDOUR::Route&);
1112         void split_multichannel_region();
1113         void reverse_region ();
1114         void strip_region_silence ();
1115         void normalize_region ();
1116         void reset_region_scale_amplitude ();
1117         void adjust_region_gain (bool up);
1118         void quantize_region ();
1119         void insert_patch_change ();
1120         void fork_region ();
1121
1122         void do_insert_time ();
1123         void insert_time (framepos_t, framecnt_t, Editing::InsertTimeOption, bool, bool, bool, bool, bool);
1124
1125         void tab_to_transient (bool forward);
1126
1127         void set_tempo_from_region ();
1128         void use_range_as_bar ();
1129
1130         void define_one_bar (framepos_t start, framepos_t end);
1131
1132         void audition_region_from_region_list ();
1133         void hide_region_from_region_list ();
1134         void show_region_in_region_list ();
1135
1136         void naturalize_region ();
1137
1138         void reset_focus ();
1139
1140         void split_region ();
1141
1142         void delete_ ();
1143         void cut ();
1144         void copy ();
1145         void paste (float times);
1146
1147         void place_transient ();
1148         void remove_transient (ArdourCanvas::Item* item);
1149         void snap_regions_to_grid ();
1150         void close_region_gaps ();
1151
1152         void keyboard_paste ();
1153
1154         void region_from_selection ();
1155         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::Region> >&);
1156
1157         void play_from_start ();
1158         void play_from_edit_point ();
1159         void play_from_edit_point_and_return ();
1160         void play_selected_region ();
1161         void play_edit_range ();
1162         void play_location (ARDOUR::Location&);
1163         void loop_location (ARDOUR::Location&);
1164
1165         void temporal_zoom_selection ();
1166         void temporal_zoom_region (bool both_axes);
1167         void zoom_to_region (bool both_axes);
1168         void temporal_zoom_session ();
1169         void temporal_zoom (gdouble scale);
1170         void temporal_zoom_by_frame (framepos_t start, framepos_t end, const std::string & op);
1171         void temporal_zoom_to_frame (bool coarser, framepos_t frame);
1172
1173         void insert_region_list_drag (boost::shared_ptr<ARDOUR::Region>, int x, int y);
1174         void insert_region_list_selection (float times);
1175
1176         void insert_route_list_drag (boost::shared_ptr<ARDOUR::Route>, int x, int y);
1177
1178         /* import & embed */
1179
1180         void add_external_audio_action (Editing::ImportMode);
1181         void external_audio_dialog ();
1182         void session_import_dialog ();
1183
1184         int  check_whether_and_how_to_import(std::string, bool all_or_nothing = true);
1185         bool check_multichannel_status (const std::vector<std::string>& paths);
1186
1187         SoundFileOmega* sfbrowser;
1188
1189         void bring_in_external_audio (Editing::ImportMode mode,  framepos_t& pos);
1190
1191         bool  idle_drop_paths  (std::vector<std::string> paths, framepos_t frame, double ypos);
1192         void  drop_paths_part_two  (const std::vector<std::string>& paths, framepos_t frame, double ypos);
1193
1194         int  import_sndfiles (std::vector<std::string> paths, Editing::ImportMode mode,  ARDOUR::SrcQuality, framepos_t& pos,
1195                               int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::Track>&, bool);
1196         int  embed_sndfiles (std::vector<std::string> paths, bool multiple_files, bool& check_sample_rate, Editing::ImportMode mode,
1197                              framepos_t& pos, int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::Track>&);
1198
1199         int add_sources (std::vector<std::string> paths, ARDOUR::SourceList& sources, framepos_t& pos, Editing::ImportMode,
1200                          int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::Track>&, bool add_channel_suffix);
1201         int finish_bringing_in_material (boost::shared_ptr<ARDOUR::Region> region, uint32_t, uint32_t,  framepos_t& pos, Editing::ImportMode mode,
1202                                       boost::shared_ptr<ARDOUR::Track>& existing_track);
1203
1204         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1205         boost::shared_ptr<ARDOUR::MidiTrack> get_nth_selected_midi_track (int nth) const;
1206
1207         ARDOUR::InterThreadInfo* current_interthread_info;
1208
1209         AnalysisWindow* analysis_window;
1210
1211         /* import specific info */
1212
1213         struct EditorImportStatus : public ARDOUR::ImportStatus {
1214             Editing::ImportMode mode;
1215             framepos_t pos;
1216             int target_tracks;
1217             int target_regions;
1218             boost::shared_ptr<ARDOUR::Track> track;
1219             bool replace;
1220         };
1221
1222         EditorImportStatus import_status;
1223         static void *_import_thread (void *);
1224         void* import_thread ();
1225         void finish_import ();
1226
1227         /* to support this ... */
1228
1229         void import_audio (bool as_tracks);
1230         void do_import (std::vector<std::string> paths, bool split, bool as_tracks);
1231
1232         void move_to_start ();
1233         void move_to_end ();
1234         void center_playhead ();
1235         void center_edit_point ();
1236         void playhead_forward_to_grid ();
1237         void playhead_backward_to_grid ();
1238         void scroll_playhead (bool forward);
1239         void scroll_backward (float pages=0.8f);
1240         void scroll_forward (float pages=0.8f);
1241         void scroll_tracks_down ();
1242         void scroll_tracks_up ();
1243         void set_mark ();
1244         void clear_markers ();
1245         void clear_ranges ();
1246         void clear_locations ();
1247         void unhide_markers ();
1248         void unhide_ranges ();
1249         void jump_forward_to_mark ();
1250         void jump_backward_to_mark ();
1251         void cursor_align (bool playhead_to_edit);
1252
1253         void remove_last_capture ();
1254         void select_all_selectables_using_time_selection ();
1255         void select_all_selectables_using_loop();
1256         void select_all_selectables_using_punch();
1257         void set_selection_from_range (ARDOUR::Location&);
1258         void set_selection_from_punch ();
1259         void set_selection_from_loop ();
1260         void set_selection_from_region ();
1261
1262         void add_location_mark (framepos_t where);
1263         void add_location_from_region ();
1264         void add_locations_from_region ();
1265         void add_location_from_selection ();
1266         void set_loop_from_selection (bool play);
1267         void set_punch_from_selection ();
1268         void set_punch_from_region ();
1269
1270         void set_loop_from_edit_range (bool play);
1271         void set_loop_from_region (bool play);
1272         void set_punch_from_edit_range ();
1273
1274         void set_loop_range (framepos_t start, framepos_t end, std::string cmd);
1275         void set_punch_range (framepos_t start, framepos_t end, std::string cmd);
1276
1277         void add_location_from_playhead_cursor ();
1278         bool select_new_marker;
1279
1280         void reverse_selection ();
1281         void edit_envelope ();
1282
1283         double last_scrub_x;
1284         int scrubbing_direction;
1285         int scrub_reversals;
1286         int scrub_reverse_distance;
1287         void scrub (framepos_t, double);
1288
1289         void keyboard_selection_begin ();
1290         void keyboard_selection_finish (bool add);
1291         bool have_pending_keyboard_selection;
1292         framepos_t pending_keyboard_selection_start;
1293
1294         void move_range_selection_start_or_end_to_region_boundary (bool, bool);
1295
1296         Editing::SnapType _snap_type;
1297         Editing::SnapMode _snap_mode;
1298
1299         /// Snap threshold in pixels
1300         double snap_threshold;
1301
1302         bool ignore_gui_changes;
1303
1304         DragManager* _drags;
1305
1306         void escape ();
1307
1308         Gtk::Menu fade_context_menu;
1309         void popup_fade_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1310
1311         void set_fade_in_shape (ARDOUR::FadeShape);
1312         void set_fade_out_shape (ARDOUR::FadeShape);
1313
1314         void set_fade_length (bool in);
1315         void set_fade_in_active (bool);
1316         void set_fade_out_active (bool);
1317
1318         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1319
1320         bool _dragging_playhead;
1321         bool _dragging_edit_point;
1322
1323         void marker_drag_motion_callback (GdkEvent*);
1324         void marker_drag_finished_callback (GdkEvent*);
1325
1326         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1327
1328         void add_region_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1329         void start_create_region_grab (ArdourCanvas::Item*, GdkEvent*);
1330         void add_region_copy_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1331         void add_region_brush_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1332         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1333
1334         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1335
1336         void remove_gain_control_point (ArdourCanvas::Item*, GdkEvent*);
1337         void remove_control_point (ArdourCanvas::Item*, GdkEvent*);
1338
1339         void mouse_brush_insert_region (RegionView*, framepos_t pos);
1340
1341         /* Canvas event handlers */
1342
1343         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1344         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1345         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1346         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1347         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1348         bool canvas_crossfade_view_event (GdkEvent* event,ArdourCanvas::Item*, CrossfadeView*);
1349         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1350         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1351         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1352         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1353         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1354         bool canvas_frame_handle_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1355         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1356         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1357         bool canvas_feature_line_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*);
1358         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1359         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*);
1360         bool canvas_zoom_rect_event (GdkEvent* event,ArdourCanvas::Item*);
1361         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1362         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1363         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) ;
1364         bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item*);
1365
1366         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1367         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1368         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1369         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1370         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1371         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1372
1373         bool canvas_imageframe_item_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1374         bool canvas_imageframe_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameTimeAxis*);
1375         bool canvas_imageframe_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1376         bool canvas_imageframe_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1377         bool canvas_marker_time_axis_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerTimeAxis*);
1378         bool canvas_markerview_item_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1379         bool canvas_markerview_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1380         bool canvas_markerview_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1381
1382         PBD::Signal0<void> EditorFreeze;
1383         PBD::Signal0<void> EditorThaw;
1384
1385   private:
1386         friend class DragManager;
1387         friend class EditorRouteGroups;
1388         friend class EditorRegions;
1389
1390         ArdourCanvas::Item *last_item_entered;
1391         /** true if the mouse is over a place where region trim can happen */
1392         bool _over_region_trim_target;
1393
1394         /* non-public event handlers */
1395
1396         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1397         bool track_canvas_scroll (GdkEventScroll* event);
1398
1399         bool track_canvas_scroll_event (GdkEventScroll* event);
1400         bool track_canvas_button_press_event (GdkEventButton* event);
1401         bool track_canvas_button_release_event (GdkEventButton* event);
1402         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1403
1404         Gtk::Allocation canvas_allocation;
1405         void track_canvas_allocate (Gtk::Allocation alloc);
1406         bool track_canvas_size_allocated ();
1407         bool track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const &, int, int, guint);
1408         bool track_canvas_key_press (GdkEventKey *);
1409         bool track_canvas_key_release (GdkEventKey *);
1410
1411         void set_playhead_cursor ();
1412
1413         void toggle_region_mute ();
1414
1415         void initialize_canvas ();
1416
1417         /* display control */
1418
1419         bool _show_measures;
1420         /// true if the editor should follow the playhead, otherwise false
1421         bool _follow_playhead;
1422         /// true if we scroll the tracks rather than the playhead
1423         bool _stationary_playhead;
1424
1425         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1426
1427         TempoLines* tempo_lines;
1428
1429         ArdourCanvas::Group* time_line_group;
1430
1431         void hide_measures ();
1432         void draw_measures ();
1433         bool redraw_measures ();
1434
1435         void new_tempo_section ();
1436
1437         void mouse_add_new_tempo_event (framepos_t where);
1438         void mouse_add_new_meter_event (framepos_t where);
1439
1440         void remove_tempo_marker (ArdourCanvas::Item*);
1441         void remove_meter_marker (ArdourCanvas::Item*);
1442         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1443         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1444
1445         void edit_tempo_section (ARDOUR::TempoSection*);
1446         void edit_meter_section (ARDOUR::MeterSection*);
1447         void edit_tempo_marker (ArdourCanvas::Item*);
1448         void edit_meter_marker (ArdourCanvas::Item*);
1449         void edit_control_point (ArdourCanvas::Item*);
1450         void edit_note (ArdourCanvas::Item *);
1451
1452         void marker_menu_edit ();
1453         void marker_menu_remove ();
1454         void marker_menu_rename ();
1455         void toggle_marker_menu_lock ();
1456         void toggle_marker_menu_glue ();
1457         void marker_menu_hide ();
1458         void marker_menu_loop_range ();
1459         void marker_menu_select_all_selectables_using_range ();
1460         void marker_menu_select_using_range ();
1461         void marker_menu_separate_regions_using_location ();
1462         void marker_menu_play_from ();
1463         void marker_menu_play_range ();
1464         void marker_menu_set_playhead ();
1465         void marker_menu_set_from_playhead ();
1466         void marker_menu_set_from_selection ();
1467         void marker_menu_range_to_next ();
1468         void new_transport_marker_menu_set_loop ();
1469         void new_transport_marker_menu_set_punch ();
1470         void update_loop_range_view (bool visibility=false);
1471         void update_punch_range_view (bool visibility=false);
1472         void new_transport_marker_menu_popdown ();
1473         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1474         void tempo_or_meter_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1475         void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1476         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1477         void build_range_marker_menu (bool);
1478         void build_marker_menu (ARDOUR::Location *);
1479         void build_tempo_or_meter_marker_menu (bool);
1480         void build_new_transport_marker_menu ();
1481         void dynamic_cast_marker_object (void*, MeterMarker**, TempoMarker**) const;
1482
1483         Gtk::Menu* tempo_or_meter_marker_menu;
1484         Gtk::Menu* marker_menu;
1485         Gtk::Menu* range_marker_menu;
1486         Gtk::Menu* transport_marker_menu;
1487         Gtk::Menu* new_transport_marker_menu;
1488         Gtk::Menu* cd_marker_menu;
1489         ArdourCanvas::Item* marker_menu_item;
1490
1491         typedef std::list<Marker*> Marks;
1492         Marks metric_marks;
1493
1494         void remove_metric_marks ();
1495         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1496
1497         void compute_current_bbt_points (framepos_t left, framepos_t right);
1498         void tempo_map_changed (const PBD::PropertyChange&);
1499         void redisplay_tempo (bool immediate_redraw);
1500
1501         uint32_t bbt_beat_subdivision;
1502
1503         /* toolbar */
1504
1505         Gtk::ToggleButton editor_mixer_button;
1506         Gtk::ToggleButton editor_list_button;
1507         void editor_mixer_button_toggled ();
1508         void editor_list_button_toggled ();
1509
1510         AudioClock*               zoom_range_clock;
1511         Gtk::Button              zoom_in_button;
1512         Gtk::Button              zoom_out_button;
1513         Gtk::Button              zoom_out_full_button;
1514         Gtk::Button              zoom_onetoone_button;
1515
1516         Gtk::Button              tav_expand_button;
1517         Gtk::Button              tav_shrink_button;
1518
1519         Gtk::VBox                toolbar_clock_vbox;
1520         Gtk::VBox                toolbar_selection_clock_vbox;
1521         Gtk::Table               toolbar_selection_clock_table;
1522         Gtk::Label               toolbar_selection_cursor_label;
1523
1524         Gtkmm2ext::TearOff*      _mouse_mode_tearoff;
1525         Gtkmm2ext::StatefulToggleButton mouse_select_button;
1526         Gtkmm2ext::StatefulToggleButton mouse_move_button;
1527         Gtkmm2ext::StatefulToggleButton mouse_gain_button;
1528         Gtkmm2ext::StatefulToggleButton mouse_zoom_button;
1529         Gtkmm2ext::StatefulToggleButton mouse_timefx_button;
1530         Gtkmm2ext::StatefulToggleButton mouse_audition_button;
1531         Gtkmm2ext::StatefulToggleButton join_object_range_button;
1532
1533         void                     mouse_mode_toggled (Editing::MouseMode m);
1534         void                     mouse_mode_object_range_toggled () {}
1535         bool                     ignore_mouse_mode_toggle;
1536
1537         Gtkmm2ext::StatefulToggleButton internal_edit_button;
1538         void                     toggle_internal_editing ();
1539
1540         bool                     mouse_select_button_release (GdkEventButton*);
1541
1542         Gtk::VBox                automation_box;
1543         Gtk::Button              automation_mode_button;
1544         Gtk::ToggleButton        global_automation_button;
1545
1546         Gtk::ComboBoxText edit_mode_selector;
1547         Gtk::VBox         edit_mode_box;
1548         std::vector<std::string> edit_mode_strings;
1549
1550         void set_edit_mode (ARDOUR::EditMode);
1551         void cycle_edit_mode ();
1552         void edit_mode_selection_done ();
1553
1554         Gtk::ComboBoxText snap_type_selector;
1555         Gtk::ComboBoxText snap_mode_selector;
1556         Gtk::HBox         snap_box;
1557
1558         std::vector<std::string> snap_type_strings;
1559         std::vector<std::string> snap_mode_strings;
1560
1561         void snap_type_selection_done ();
1562         void snap_mode_selection_done ();
1563         void snap_mode_chosen (Editing::SnapMode);
1564         void snap_type_chosen (Editing::SnapType);
1565
1566         Glib::RefPtr<Gtk::RadioAction> snap_type_action (Editing::SnapType);
1567         Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
1568
1569         Gtk::ComboBoxText zoom_focus_selector;
1570         Gtk::VBox         zoom_focus_box;
1571
1572         std::vector<std::string> zoom_focus_strings;
1573
1574         void zoom_focus_selection_done ();
1575         void zoom_focus_chosen (Editing::ZoomFocus);
1576
1577         Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
1578
1579         Gtk::HBox           _zoom_box;
1580         Gtkmm2ext::TearOff* _zoom_tearoff;
1581         void                zoom_adjustment_changed();
1582
1583         void setup_toolbar ();
1584
1585         void setup_tooltips ();
1586
1587         Gtkmm2ext::TearOff*     _tools_tearoff;
1588         Gtk::HBox                toolbar_hbox;
1589         Gtk::EventBox            toolbar_base;
1590         Gtk::Frame               toolbar_frame;
1591         Gtk::Viewport           _toolbar_viewport;
1592
1593         /* midi toolbar */
1594
1595         Gtk::HBox                panic_box;
1596         Gtk::Button              midi_panic_button;
1597         Gtk::ToggleButton        midi_sound_notes;
1598         void                     midi_panic ();
1599         bool                     sound_notes () const { return midi_sound_notes.get_active(); }
1600
1601         void setup_midi_toolbar ();
1602
1603         /* selection process */
1604
1605         Selection* selection;
1606         Selection* cut_buffer;
1607
1608         void time_selection_changed ();
1609         void track_selection_changed ();
1610         void region_selection_changed ();
1611         sigc::connection editor_regions_selection_changed_connection;
1612         void sensitize_all_region_actions (bool);
1613         void sensitize_the_right_region_actions ();
1614         bool _all_region_actions_sensitized;
1615         /** Flag to block region action handlers from doing what they normally do;
1616          *  I tried Gtk::Action::block_activate() but this doesn't work (ie it doesn't
1617          *  block) when setting a ToggleAction's active state.
1618          */
1619         bool _ignore_region_action;
1620         bool _last_region_menu_was_main;
1621         void point_selection_changed ();
1622         void marker_selection_changed ();
1623
1624         void cancel_selection ();
1625
1626         bool audio_region_selection_covers (framepos_t where);
1627
1628         /* transport range select process */
1629
1630         ArdourCanvas::SimpleRect*  cd_marker_bar_drag_rect;
1631         ArdourCanvas::SimpleRect*  range_bar_drag_rect;
1632         ArdourCanvas::SimpleRect*  transport_bar_drag_rect;
1633
1634 #ifdef GTKOSX
1635         ArdourCanvas::SimpleRect     *bogus_background_rect;
1636 #endif
1637         ArdourCanvas::SimpleRect     *transport_bar_range_rect;
1638         ArdourCanvas::SimpleRect     *transport_bar_preroll_rect;
1639         ArdourCanvas::SimpleRect     *transport_bar_postroll_rect;
1640         ArdourCanvas::SimpleRect     *transport_loop_range_rect;
1641         ArdourCanvas::SimpleRect     *transport_punch_range_rect;
1642         ArdourCanvas::SimpleLine     *transport_punchin_line;
1643         ArdourCanvas::SimpleLine     *transport_punchout_line;
1644         ArdourCanvas::SimpleRect     *transport_preroll_rect;
1645         ArdourCanvas::SimpleRect     *transport_postroll_rect;
1646
1647         ARDOUR::Location*  transport_loop_location();
1648         ARDOUR::Location*  transport_punch_location();
1649
1650         ARDOUR::Location   *temp_location;
1651
1652         /* object rubberband select process */
1653
1654         void select_all_within (framepos_t, framepos_t, double, double, TrackViewList const &, Selection::Operation, bool);
1655
1656         ArdourCanvas::SimpleRect   *rubberband_rect;
1657
1658         /* mouse zoom process */
1659
1660         ArdourCanvas::SimpleRect   *zoom_rect;
1661         void reposition_zoom_rect (framepos_t start, framepos_t end);
1662
1663         EditorRouteGroups* _route_groups;
1664         EditorRoutes* _routes;
1665         EditorRegions* _regions;
1666         EditorSnapshots* _snapshots;
1667         EditorLocations* _locations;
1668
1669         /* diskstream/route display management */
1670         Glib::RefPtr<Gdk::Pixbuf> rec_enabled_icon;
1671         Glib::RefPtr<Gdk::Pixbuf> rec_disabled_icon;
1672
1673         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1674
1675         bool sync_track_view_list_and_routes ();
1676
1677         Gtk::VBox           list_vpacker;
1678
1679         /* autoscrolling */
1680
1681         bool autoscroll_active;
1682         int autoscroll_timeout_tag;
1683         int autoscroll_x;
1684         int autoscroll_y;
1685         int last_autoscroll_x;
1686         int last_autoscroll_y;
1687         uint32_t autoscroll_cnt;
1688         framecnt_t autoscroll_x_distance;
1689         double autoscroll_y_distance;
1690
1691         static gint _autoscroll_canvas (void *);
1692         bool autoscroll_canvas ();
1693         void start_canvas_autoscroll (int x, int y);
1694         void stop_canvas_autoscroll ();
1695
1696         /* trimming */
1697         void point_trim (GdkEvent *, framepos_t);
1698
1699         void trim_region_front();
1700         void trim_region_back();
1701         void trim_region (bool front);
1702
1703         void trim_region_to_loop ();
1704         void trim_region_to_punch ();
1705         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1706
1707         void trim_to_region(bool forward);
1708         void trim_region_to_previous_region_end();
1709         void trim_region_to_next_region_start();
1710
1711         bool show_gain_after_trim;
1712
1713         /* Drag-n-Drop */
1714
1715         int convert_drop_to_paths (
1716                 std::vector<std::string>&           paths,
1717                 const Glib::RefPtr<Gdk::DragContext>& context,
1718                 gint                                  x,
1719                 gint                                  y,
1720                 const Gtk::SelectionData&             data,
1721                 guint                                 info,
1722                 guint                                 time);
1723
1724         void track_canvas_drag_data_received (
1725                 const Glib::RefPtr<Gdk::DragContext>& context,
1726                 gint                                  x,
1727                 gint                                  y,
1728                 const Gtk::SelectionData&             data,
1729                 guint                                 info,
1730                 guint                                 time);
1731
1732         void drop_paths (
1733                 const Glib::RefPtr<Gdk::DragContext>& context,
1734                 gint                                  x,
1735                 gint                                  y,
1736                 const Gtk::SelectionData&             data,
1737                 guint                                 info,
1738                 guint                                 time);
1739
1740         void drop_regions (
1741                 const Glib::RefPtr<Gdk::DragContext>& context,
1742                 gint                                  x,
1743                 gint                                  y,
1744                 const Gtk::SelectionData&             data,
1745                 guint                                 info,
1746                 guint                                 time);
1747
1748         void drop_routes (
1749                 const Glib::RefPtr<Gdk::DragContext>& context,
1750                 gint                x,
1751                 gint                y,
1752                 const Gtk::SelectionData& data,
1753                 guint               info,
1754                 guint               time);
1755
1756         /* audio export */
1757
1758         int  write_region_selection(RegionSelection&);
1759         bool write_region (std::string path, boost::shared_ptr<ARDOUR::AudioRegion>);
1760         void bounce_region_selection (bool with_processing);
1761         void bounce_range_selection (bool replace, bool enable_processing);
1762         void external_edit_region ();
1763
1764         int write_audio_selection (TimeSelection&);
1765         bool write_audio_range (ARDOUR::AudioPlaylist&, const ARDOUR::ChanCount& channels, std::list<ARDOUR::AudioRange>&);
1766
1767         void write_selection ();
1768
1769         XMLNode *before; /* used in *_reversible_command */
1770
1771         void update_title ();
1772         void update_title_s (const std::string & snapshot_name);
1773
1774         struct State {
1775             Selection* selection;
1776             double frames_per_unit;
1777
1778             State (PublicEditor const * e);
1779             ~State ();
1780         };
1781
1782         void instant_save ();
1783
1784         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
1785
1786         /* freeze operations */
1787
1788         ARDOUR::InterThreadInfo freeze_status;
1789         static void* _freeze_thread (void*);
1790         void* freeze_thread ();
1791
1792         void freeze_route ();
1793         void unfreeze_route ();
1794
1795         /* duplication */
1796
1797         void duplicate_dialog (bool with_dialog);
1798
1799         framepos_t event_frame (GdkEvent const *, double* px = 0, double* py = 0) const;
1800
1801         /* returns false if mouse pointer is not in track or marker canvas
1802          */
1803         bool mouse_frame (framepos_t&, bool& in_track_canvas) const;
1804
1805         /* "whats mine is yours" */
1806
1807         TimeFXDialog* current_timefx;
1808
1809         static void* timefx_thread (void *arg);
1810         void do_timefx (TimeFXDialog&);
1811
1812         int time_stretch (RegionSelection&, float fraction);
1813         int pitch_shift (RegionSelection&, float cents);
1814         void pitch_shift_region ();
1815         int time_fx (RegionSelection&, float val, bool pitching);
1816
1817         void transpose_region ();
1818
1819         /* editor-mixer strip */
1820
1821         MixerStrip *current_mixer_strip;
1822         bool show_editor_mixer_when_tracks_arrive;
1823         Gtk::VBox current_mixer_strip_vbox;
1824         void cms_new (boost::shared_ptr<ARDOUR::Route>);
1825         void current_mixer_strip_hidden ();
1826
1827         void detach_tearoff (Gtk::Box* b, Gtk::Window* w);
1828         void reattach_tearoff (Gtk::Box* b, Gtk::Window* w, int32_t n);
1829 #ifdef GTKOSX
1830         void ensure_all_elements_drawn ();
1831 #endif
1832         /* nudging tracks */
1833
1834         void nudge_track (bool use_edit_point, bool forwards);
1835
1836         /* xfades */
1837
1838         bool _xfade_visibility;
1839
1840 #ifdef WITH_CMT
1841         void handle_new_imageframe_time_axis_view(const std::string & track_name, void* src) ;
1842         void handle_new_imageframe_marker_time_axis_view(const std::string & track_name, TimeAxisView* marked_track) ;
1843
1844         void start_imageframe_grab(ArdourCanvas::Item*, GdkEvent*) ;
1845         void start_markerview_grab(ArdourCanvas::Item*, GdkEvent*) ;
1846
1847         void imageframe_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1848         void markerview_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1849         void timeaxis_item_drag_finished_callback(ArdourCanvas::Item*, GdkEvent*) ;
1850
1851         gint canvas_imageframe_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1852         gint canvas_imageframe_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
1853         gint canvas_imageframe_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1854         gint canvas_imageframe_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1855
1856         gint canvas_marker_time_axis_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerTimeAxis* mta);
1857         gint canvas_markerview_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1858         gint canvas_markerview_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1859         gint canvas_markerview_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1860
1861         void imageframe_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1862         void imageframe_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1863         void imageframe_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1864         void imageframe_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1865         void imageframe_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1866         void imageframe_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1867
1868         void markerview_item_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1869         void markerview_item_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1870         void markerview_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1871         void markerview_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1872         void markerview_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1873         void markerview_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1874
1875         void popup_imageframe_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1876         void popup_marker_time_axis_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1877
1878         ImageFrameSocketHandler* image_socket_listener ;
1879 #endif
1880
1881         void toggle_xfade_active (boost::weak_ptr<ARDOUR::Crossfade>);
1882         void toggle_xfade_length (boost::weak_ptr<ARDOUR::Crossfade>);
1883         void edit_xfade (boost::weak_ptr<ARDOUR::Crossfade>);
1884         void xfade_edit_left_region ();
1885         void xfade_edit_right_region ();
1886
1887         static const int32_t default_width = 995;
1888         static const int32_t default_height = 765;
1889
1890         /* nudge */
1891
1892         Gtk::Button      nudge_forward_button;
1893         Gtk::Button      nudge_backward_button;
1894         Gtk::HBox        nudge_hbox;
1895         Gtk::VBox        nudge_vbox;
1896         AudioClock*       nudge_clock;
1897
1898         bool nudge_forward_release (GdkEventButton*);
1899         bool nudge_backward_release (GdkEventButton*);
1900
1901         /* audio filters */
1902
1903         void apply_filter (ARDOUR::Filter&, std::string cmd, ProgressReporter* progress = 0);
1904
1905         Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv);
1906         void apply_midi_note_edit_op (ARDOUR::MidiOperator& op);
1907
1908         /* handling cleanup */
1909
1910         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
1911
1912         PBD::ScopedConnectionList session_connections;
1913
1914         /* tracking step changes of track height */
1915
1916         TimeAxisView* current_stepping_trackview;
1917         ARDOUR::microseconds_t last_track_height_step_timestamp;
1918         gint track_height_step_timeout();
1919         sigc::connection step_timeout;
1920
1921         TimeAxisView* entered_track;
1922         /** If the mouse is over a RegionView or one of its child canvas items, this is set up
1923             to point to the RegionView.  Otherwise it is 0.
1924         */
1925         RegionView*   entered_regionview;
1926
1927
1928         void ensure_entered_track_selected (bool op_acts_on_objects = false);
1929         bool clear_entered_track;
1930         bool left_track_canvas (GdkEventCrossing*);
1931         bool entered_track_canvas (GdkEventCrossing*);
1932         void set_entered_track (TimeAxisView*);
1933         void set_entered_regionview (RegionView*);
1934         void ensure_track_visible (TimeAxisView*);
1935         gint left_automation_track ();
1936
1937         void reset_canvas_action_sensitivity (bool);
1938         void toggle_gain_envelope_visibility ();
1939         void toggle_gain_envelope_active ();
1940         void reset_region_gain_envelopes ();
1941
1942         bool on_key_press_event (GdkEventKey*);
1943         bool on_key_release_event (GdkEventKey*);
1944
1945         void session_state_saved (std::string);
1946
1947         Glib::RefPtr<Gtk::Action>              undo_action;
1948         Glib::RefPtr<Gtk::Action>              redo_action;
1949
1950         void history_changed ();
1951
1952         Gtk::HBox      status_bar_hpacker;
1953
1954         Editing::EditPoint _edit_point;
1955
1956         Gtk::ComboBoxText edit_point_selector;
1957
1958         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
1959         void cycle_edit_point (bool with_marker);
1960         void set_edit_point ();
1961         void edit_point_selection_done ();
1962         void edit_point_chosen (Editing::EditPoint);
1963         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
1964         std::vector<std::string> edit_point_strings;
1965
1966         void selected_marker_moved (ARDOUR::Location*);
1967
1968         bool get_edit_op_range (framepos_t& start, framepos_t& end) const;
1969
1970         void get_regions_at (RegionSelection&, framepos_t where, const TrackViewList& ts) const;
1971         void get_regions_after (RegionSelection&, framepos_t where, const TrackViewList& ts) const;
1972
1973         RegionSelection get_regions_from_selection ();
1974         RegionSelection get_regions_from_selection_and_edit_point ();
1975         RegionSelection get_regions_from_selection_and_entered ();
1976
1977         void start_updating_meters ();
1978         void stop_updating_meters ();
1979         bool meters_running;
1980
1981         void select_next_route ();
1982         void select_prev_route ();
1983
1984         void snap_to_internal (framepos_t& first, int32_t direction = 0, bool for_mark = false);
1985         void timecode_snap_to_internal (framepos_t& first, int32_t direction = 0, bool for_mark = false);
1986
1987         RhythmFerret* rhythm_ferret;
1988
1989         void fit_tracks (TrackViewList &);
1990         void fit_selected_tracks ();
1991         void set_track_height (Height);
1992
1993         void remove_tracks ();
1994         void toggle_tracks_active ();
1995
1996         bool _have_idled;
1997         int resize_idle_id;
1998         static gboolean _idle_resize (gpointer);
1999         bool idle_resize();
2000         int32_t _pending_resize_amount;
2001         TimeAxisView* _pending_resize_view;
2002
2003         void visible_order_range (int*, int*) const;
2004
2005         void located ();
2006
2007         /** true if we've made a locate request that hasn't yet been processed */
2008         bool _pending_locate_request;
2009
2010         /** if true, there is a pending Session locate which is the initial one when loading a session;
2011             we need to know this so that we don't (necessarily) set the viewport to show the playhead
2012             initially.
2013         */
2014         bool _pending_initial_locate;
2015
2016         Gtk::HBox _summary_hbox;
2017         EditorSummary* _summary;
2018
2019         void region_view_added (RegionView *);
2020         void region_view_removed ();
2021
2022         void update_canvas_now ();
2023
2024         EditorGroupTabs* _group_tabs;
2025         void fit_route_group (ARDOUR::RouteGroup *);
2026
2027         void step_edit_status_change (bool);
2028         void start_step_editing ();
2029         void stop_step_editing ();
2030         bool check_step_edit ();
2031         sigc::connection step_edit_connection;
2032
2033         double _last_motion_y;
2034
2035         RegionLayeringOrderEditor* layering_order_editor;
2036         void update_region_layering_order_editor ();
2037
2038         /** Track that was the source for the last cut/copy operation.  Used as a place
2039             to paste things iff there is no selected track.
2040         */
2041         TimeAxisView* _last_cut_copy_source_track;
2042
2043         /** true if a change in Selection->regions should change the selection in the region list.
2044             See EditorRegions::selection_changed.
2045         */
2046         bool _region_selection_change_updates_region_list;
2047
2048         void setup_fade_images ();
2049         std::map<ARDOUR::FadeShape, Gtk::Image*> _fade_in_images;
2050         std::map<ARDOUR::FadeShape, Gtk::Image*> _fade_out_images;
2051
2052         Gtk::MenuItem& action_menu_item (std::string const &);
2053         void action_pre_activated (Glib::RefPtr<Gtk::Action> const &);
2054
2055         void set_canvas_cursor_for_region_view (double, RegionView *);
2056
2057         MouseCursors* _cursors;
2058
2059         void resize_text_widgets ();
2060
2061         friend class Drag;
2062         friend class RegionDrag;
2063         friend class RegionMoveDrag;
2064         friend class RegionSpliceDrag;
2065         friend class TrimDrag;
2066         friend class MeterMarkerDrag;
2067         friend class TempoMarkerDrag;
2068         friend class CursorDrag;
2069         friend class FadeInDrag;
2070         friend class FadeOutDrag;
2071         friend class MarkerDrag;
2072         friend class RegionGainDrag;
2073         friend class ControlPointDrag;
2074         friend class LineDrag;
2075         friend class RubberbandSelectDrag;
2076         friend class TimeFXDrag;
2077         friend class ScrubDrag;
2078         friend class SelectionDrag;
2079         friend class RangeMarkerBarDrag;
2080         friend class MouseZoomDrag;
2081         friend class RegionCreateDrag;
2082         friend class RegionMotionDrag;
2083         friend class RegionInsertDrag;
2084
2085         friend class EditorSummary;
2086         friend class EditorGroupTabs;
2087
2088         friend class EditorRoutes;
2089         friend class RhythmFerret;
2090 };
2091
2092 #endif /* __ardour_editor_h__ */