gtk2_ardour/editor.h

   1 /*
   2     Copyright (C) 2000-2003 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __ardour_editor_h__
  21 #define __ardour_editor_h__
  22
  23 #include <list>
  24 #include <map>
  25 #include <set>
  26 #include <string>
  27 #include <sys/time.h>
  28 #include <bitset>
  29
  30 #include <glibmm/ustring.h>
  31
  32 #include <boost/optional.hpp>
  33
  34 #include <libgnomecanvasmm/canvas.h>
  35 #include <libgnomecanvasmm/group.h>
  36 #include <libgnomecanvasmm/line.h>
  37 #include <libgnomecanvasmm/pixbuf.h>
  38
  39 #include <cmath>
  40
  41 #include <gtkmm/comboboxtext.h>
  42 #include <gtkmm/layout.h>
  43
  44 #include <gtkmm2ext/selector.h>
  45 #include <gtkmm2ext/click_box.h>
  46 #include <gtkmm2ext/dndtreeview.h>
  47
  48 #include "pbd/stateful.h"
  49 #include "ardour/session.h"
  50 #include "ardour/tempo.h"
  51 #include "ardour/location.h"
  52 #include "ardour/audioregion.h"
  53 #include "ardour/track.h"
  54 #include "ardour/types.h"
  55 #include "ardour/route_group.h"
  56
  57 #include "audio_clock.h"
  58 #include "gtk-custom-ruler.h"
  59 #include "ardour_dialog.h"
  60 #include "public_editor.h"
  61 #include "editing.h"
  62 #include "enums.h"
  63 #include "editor_items.h"
  64 #include "region_selection.h"
  65 #include "canvas.h"
  66 #include "editor_summary.h"
  67
  68 namespace Gtkmm2ext {
  69         class TearOff;
  70 }
  71
  72 namespace ARDOUR {
  73         class AudioDiskstream;
  74         class RouteGroup;
  75         class Playlist;
  76         class AudioPlaylist;
  77         class Region;
  78         class Location;
  79         class TempoSection;
  80         class NamedSelection;
  81         class Session;
  82         class Filter;
  83         class Crossfade;
  84         class ChanCount;
  85         class MidiOperator;
  86 }
  87
  88 namespace LADSPA {
  89         class Plugin;
  90 }
  91
  92 class AnalysisWindow;
  93 class AudioRegionView;
  94 class AudioStreamView;
  95 class AudioTimeAxisView;
  96 class AutomationLine;
  97 class AutomationSelection;
  98 class AutomationTimeAxisView;
  99 class BundleManager;
 100 class ControlPoint;
 101 class CrossfadeView;
 102 class Drag;
 103 class GlobalPortMatrixWindow;
 104 class GroupedButtons;
 105 class Marker;
 106 class MidiRegionView;
 107 class MixerStrip;
 108 class PlaylistSelector;
 109 class PluginSelector;
 110 class RhythmFerret;
 111 class Selection;
 112 class SoundFileOmega;
 113 class StreamView;
 114 class TempoLines;
 115 class TimeAxisView;
 116 class TimeFXDialog;
 117 class TimeSelection;
 118 class TrackSelection;
 119 class EditorGroupTabs;
 120 class EditorRoutes;
 121 class EditorRouteGroups;
 122 class EditorRegions;
 123 class EditorSnapshots;
 124
 125 /* <CMT Additions> */
 126 class ImageFrameView;
 127 class ImageFrameTimeAxisView;
 128 class ImageFrameTimeAxis;
 129 class MarkerTimeAxis ;
 130 class MarkerView ;
 131 class ImageFrameSocketHandler ;
 132 class TimeAxisViewItem ;
 133 /* </CMT Additions> */
 134
 135 struct EditorCursor {
 136         Editor&               editor;
 137         ArdourCanvas::Points  points;
 138         ArdourCanvas::Line    canvas_item;
 139         nframes64_t           current_frame;
 140         double            length;
 141
 142         EditorCursor (Editor&, bool (Editor::*)(GdkEvent*,ArdourCanvas::Item*));
 143         ~EditorCursor ();
 144
 145         void set_position (nframes64_t);
 146         void set_length (double units);
 147         void set_y_axis (double position);
 148
 149         sigc::signal<void, nframes64_t> PositionChanged;
 150 };
 151
 152 class Editor : public PublicEditor
 153 {
 154   public:
 155         Editor ();
 156         ~Editor ();
 157
 158         void             connect_to_session (ARDOUR::Session *);
 159         ARDOUR::Session* current_session() const { return session; }
 160         void             first_idle ();
 161         virtual bool     have_idled () const { return _have_idled; }
 162
 163         nframes64_t leftmost_position() const { return leftmost_frame; }
 164
 165         nframes64_t current_page_frames() const {
 166                 return (nframes64_t) floor (_canvas_width * frames_per_unit);
 167         }
 168
 169         double canvas_height () const {
 170                 return _canvas_height;
 171         }
 172
 173         void cycle_snap_mode ();
 174         void cycle_snap_choice ();
 175         void set_snap_to (Editing::SnapType);
 176         void set_snap_mode (Editing::SnapMode);
 177         void set_snap_threshold (double pixel_distance) {snap_threshold = pixel_distance;}
 178
 179         void undo (uint32_t n = 1);
 180         void redo (uint32_t n = 1);
 181
 182         XMLNode& get_state ();
 183         int set_state (const XMLNode&, int version);
 184
 185         void set_mouse_mode (Editing::MouseMode, bool force=true);
 186         void step_mouse_mode (bool next);
 187         Editing::MouseMode current_mouse_mode () const { return mouse_mode; }
 188         Editing::MidiEditMode current_midi_edit_mode () const;
 189
 190         bool internal_editing() const { return _internal_editing ; }
 191         void set_internal_edit (bool yn);
 192
 193 #ifdef WITH_CMT
 194         void add_imageframe_time_axis(const std::string & track_name, void*) ;
 195         void add_imageframe_marker_time_axis(const std::string & track_name, TimeAxisView* marked_track, void*) ;
 196         void connect_to_image_compositor() ;
 197         void scroll_timeaxis_to_imageframe_item(const TimeAxisViewItem* item) ;
 198         TimeAxisView* get_named_time_axis(const std::string & name) ;
 199 #endif /* WITH_CMT */
 200
 201         void foreach_time_axis_view (sigc::slot<void,TimeAxisView&>);
 202         void add_to_idle_resize (TimeAxisView*, int32_t);
 203
 204         RouteTimeAxisView* get_route_view_by_id (PBD::ID& id);
 205
 206         void consider_auditioning (boost::shared_ptr<ARDOUR::Region>);
 207         void hide_a_region (boost::shared_ptr<ARDOUR::Region>);
 208         void remove_a_region (boost::shared_ptr<ARDOUR::Region>);
 209
 210 #ifdef USE_RUBBERBAND
 211         std::vector<std::string> rb_opt_strings;
 212 #endif
 213
 214         /* option editor-access */
 215
 216         void set_show_waveforms_recording (bool yn);
 217         bool show_waveforms_recording() const { return _show_waveforms_recording; }
 218
 219         /* things that need to be public to be used in the main menubar */
 220
 221         void new_region_from_selection ();
 222         void separate_regions_between (const TimeSelection&);
 223         void separate_region_from_selection ();
 224         void separate_region_from_punch ();
 225         void separate_region_from_loop ();
 226         void separate_regions_using_location (ARDOUR::Location&);
 227         void toggle_playback (bool with_abort);
 228         void transition_to_rolling (bool forward);
 229
 230         /* undo related */
 231
 232         nframes64_t unit_to_frame (double unit) const {
 233                 return (nframes64_t) rint (unit * frames_per_unit);
 234         }
 235
 236         double frame_to_unit (nframes64_t frame) const {
 237                 return rint ((double) frame / (double) frames_per_unit);
 238         }
 239
 240         double frame_to_unit (double frame) const {
 241                 return rint (frame / frames_per_unit);
 242         }
 243
 244         /* NOTE: these functions assume that the "pixel" coordinate is
 245            the result of using the world->canvas affine transform on a
 246            world coordinate. These coordinates already take into
 247            account any scrolling carried out by adjusting the
 248            xscroll_adjustment.
 249         */
 250
 251         nframes64_t pixel_to_frame (double pixel) const {
 252
 253                 /* pixel can be less than zero when motion events
 254                    are processed. since we've already run the world->canvas
 255                    affine, that means that the location *really* is "off
 256                    to the right" and thus really is "before the start".
 257                 */
 258
 259                 if (pixel >= 0) {
 260                         return (nframes64_t) rint (pixel * frames_per_unit * GNOME_CANVAS(track_canvas->gobj())->pixels_per_unit);
 261                 } else {
 262                         return 0;
 263                 }
 264         }
 265
 266         gulong frame_to_pixel (nframes64_t frame) const {
 267                 return (gulong) rint ((frame / (frames_per_unit * GNOME_CANVAS(track_canvas->gobj())->pixels_per_unit)));
 268         }
 269
 270         void flush_canvas ();
 271
 272         /* selection */
 273
 274         Selection& get_selection() const { return *selection; }
 275         Selection& get_cut_buffer() const { return *cut_buffer; }
 276
 277         bool extend_selection_to_track (TimeAxisView&);
 278
 279         void play_selection ();
 280         void select_all_in_track (Selection::Operation op);
 281         void select_all (Selection::Operation op);
 282         void invert_selection_in_track ();
 283         void invert_selection ();
 284         void deselect_all ();
 285
 286         void set_selected_regionview_from_region_list (boost::shared_ptr<ARDOUR::Region> region, Selection::Operation op = Selection::Set);
 287
 288         /* tempo */
 289
 290         void set_show_measures (bool yn);
 291         bool show_measures () const { return _show_measures; }
 292
 293         /* analysis window */
 294
 295         void analyze_region_selection();
 296         void analyze_range_selection();
 297
 298         /* export */
 299
 300         void export_audio ();
 301         void export_selection ();
 302         void export_range ();
 303         void export_region ();
 304
 305         void add_toplevel_controls (Gtk::Container&);
 306         Gtk::HBox& get_status_bar_packer()  { return status_bar_hpacker; }
 307
 308         void               set_zoom_focus (Editing::ZoomFocus);
 309         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
 310         double             get_current_zoom () const { return frames_per_unit; }
 311
 312         void temporal_zoom_step (bool coarser);
 313         void tav_zoom_step (bool coarser);
 314
 315         /* stuff that AudioTimeAxisView and related classes use */
 316
 317         PlaylistSelector& playlist_selector() const;
 318         void clear_playlist (boost::shared_ptr<ARDOUR::Playlist>);
 319
 320         void new_playlists (TimeAxisView* v);
 321         void copy_playlists (TimeAxisView* v);
 322         void clear_playlists (TimeAxisView* v);
 323
 324         TrackViewList* get_valid_views (TimeAxisView*, ARDOUR::RouteGroup* grp = 0);
 325         void get_onscreen_tracks (TrackViewList&);
 326
 327         Width editor_mixer_strip_width;
 328         void maybe_add_mixer_strip_width (XMLNode&);
 329         void show_editor_mixer (bool yn);
 330         void create_editor_mixer ();
 331         void show_editor_list (bool yn);
 332         void set_selected_mixer_strip (TimeAxisView&);
 333         void hide_track_in_display (TimeAxisView& tv, bool temporary = false);
 334
 335         /* nudge is initiated by transport controls owned by ARDOUR_UI */
 336
 337         nframes64_t get_nudge_distance (nframes64_t pos, nframes64_t& next);
 338         Evoral::MusicalTime get_grid_type_as_beats (bool& success, nframes64_t position);
 339
 340         void nudge_forward (bool next, bool force_playhead);
 341         void nudge_backward (bool next, bool force_playhead);
 342
 343         /* nudge initiated from context menu */
 344
 345         void nudge_forward_capture_offset ();
 346         void nudge_backward_capture_offset ();
 347
 348         /* playhead/screen stuff */
 349
 350         void set_follow_playhead (bool yn);
 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 toggle_waveforms_while_recording ();
 357         void set_summary ();
 358         void set_group_tabs ();
 359         void toggle_measure_visibility ();
 360         void toggle_logo_visibility ();
 361
 362         double get_physical_screen_width () const { return physical_screen_width; };
 363         double physical_screen_width;
 364         double physical_screen_height;
 365
 366         /* fades/xfades */
 367
 368         void toggle_selected_region_fades (int dir);
 369         void update_region_fade_visibility ();
 370         bool xfade_visibility() const { return _xfade_visibility; }
 371         void update_xfade_visibility ();
 372
 373         /* redirect shared ops menu. caller must free returned menu */
 374
 375         Gtk::Menu* redirect_menu ();
 376
 377         /* floating windows/transient */
 378
 379         void ensure_float (Gtk::Window&);
 380
 381         void show_window ();
 382
 383         void scroll_tracks_down_line ();
 384         void scroll_tracks_up_line ();
 385
 386         bool new_regionviews_display_gain () { return _new_regionviews_show_envelope; }
 387         void prepare_for_cleanup ();
 388         void finish_cleanup ();
 389
 390         void maximise_editing_space();
 391         void restore_editing_space();
 392
 393         void reset_x_origin (nframes64_t);
 394         void reset_y_origin (double);
 395         void reset_zoom (double);
 396         void reposition_and_zoom (nframes64_t, double);
 397
 398         nframes64_t get_preferred_edit_position (bool ignore_playhead = false);
 399
 400         bool update_mouse_speed ();
 401         bool decelerate_mouse_speed ();
 402
 403         void toggle_meter_updating();
 404
 405         void show_rhythm_ferret();
 406         void show_bundle_manager ();
 407         void show_global_port_matrix (ARDOUR::DataType);
 408
 409         void goto_visual_state (uint32_t);
 410         void save_visual_state (uint32_t);
 411
 412         TrackViewList const & get_track_views () {
 413                 return track_views;
 414         }
 415
 416         int get_regionview_count_from_region_list (boost::shared_ptr<ARDOUR::Region>);
 417
 418         void do_import (std::vector<Glib::ustring> paths, Editing::ImportDisposition, Editing::ImportMode mode, ARDOUR::SrcQuality, nframes64_t&);
 419         void do_embed (std::vector<Glib::ustring> paths, Editing::ImportDisposition, Editing::ImportMode mode,  nframes64_t&);
 420
 421         void get_regions_corresponding_to (boost::shared_ptr<ARDOUR::Region> region, std::vector<RegionView*>& regions);
 422
 423         void show_verbose_canvas_cursor_with (const std::string& txt);
 424         void hide_verbose_canvas_cursor();
 425
 426   protected:
 427         void map_transport_state ();
 428         void map_position_change (nframes64_t);
 429
 430         void on_realize();
 431
 432   private:
 433
 434         void color_handler ();
 435
 436         ARDOUR::Session     *session; ///< The session that we are editing, or 0
 437         bool                 constructed;
 438
 439         // to keep track of the playhead position for control_scroll
 440         boost::optional<nframes64_t> _control_scroll_target;
 441
 442         PlaylistSelector* _playlist_selector;
 443
 444         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
 445
 446         struct VisualState {
 447             double              y_position;
 448             double              frames_per_unit;
 449             nframes64_t         leftmost_frame;
 450             Editing::ZoomFocus  zoom_focus;
 451             std::list<TAVState> track_states;
 452         };
 453
 454         std::list<VisualState*> undo_visual_stack;
 455         std::list<VisualState*> redo_visual_stack;
 456         VisualState* current_visual_state (bool with_tracks = true);
 457         void undo_visual_state ();
 458         void redo_visual_state ();
 459         void use_visual_state (VisualState&);
 460         bool no_save_visual;
 461         void swap_visual_state ();
 462
 463         std::vector<VisualState*> visual_states;
 464         sigc::connection visual_state_op_connection;
 465         void start_visual_state_op (uint32_t n);
 466         void cancel_visual_state_op (uint32_t n);
 467         bool end_visual_state_op (uint32_t n);
 468
 469         nframes64_t leftmost_frame;
 470         double      frames_per_unit;
 471         Editing::ZoomFocus zoom_focus;
 472
 473         void set_frames_per_unit (double);
 474         void post_zoom ();
 475
 476         Editing::MouseMode mouse_mode;
 477         bool _internal_editing;
 478
 479         int  post_maximal_editor_width;
 480         int  post_maximal_pane_position;
 481         int  pre_maximal_pane_position;
 482         int  pre_maximal_editor_width;
 483         void pane_allocation_handler (Gtk::Allocation&, Gtk::Paned*);
 484
 485         Gtk::Notebook the_notebook;
 486         Gtk::HPaned   edit_pane;
 487
 488         Gtk::EventBox meter_base;
 489         Gtk::HBox     meter_box;
 490         Gtk::EventBox marker_base;
 491         Gtk::HBox     marker_box;
 492         Gtk::VBox     scrollers_rulers_markers_box;
 493
 494         void location_changed (ARDOUR::Location *);
 495         void location_flags_changed (ARDOUR::Location *, void *);
 496         void refresh_location_display ();
 497         void refresh_location_display_s (ARDOUR::Change);
 498         void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
 499         void add_new_location (ARDOUR::Location *);
 500         void location_gone (ARDOUR::Location *);
 501         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
 502         gint really_remove_marker (ARDOUR::Location* loc);
 503         void goto_nth_marker (int nth);
 504
 505         uint32_t location_marker_color;
 506         uint32_t location_range_color;
 507         uint32_t location_loop_color;
 508         uint32_t location_punch_color;
 509         uint32_t location_cd_marker_color;
 510
 511         struct LocationMarkers {
 512             Marker* start;
 513             Marker* end;
 514             bool    valid;
 515
 516             LocationMarkers () : start(0), end(0), valid (true) {}
 517
 518             ~LocationMarkers ();
 519
 520             void hide();
 521             void show ();
 522             void set_name (const std::string&);
 523             void set_position (nframes64_t start, nframes64_t end = 0);
 524             void set_color_rgba (uint32_t);
 525         };
 526
 527         LocationMarkers  *find_location_markers (ARDOUR::Location *) const;
 528         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start) const;
 529         Marker* entered_marker;
 530
 531         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
 532         LocationMarkerMap location_markers;
 533
 534         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
 535         void clear_marker_display ();
 536         void mouse_add_new_marker (nframes64_t where, bool is_cd=false, bool is_xrun=false);
 537         bool choose_new_marker_name(std::string &name);
 538         void update_cd_marker_display ();
 539         void ensure_cd_marker_updated (LocationMarkers * lam, ARDOUR::Location * location);
 540
 541         TimeAxisView*      clicked_axisview;
 542         RouteTimeAxisView* clicked_routeview;
 543         /** The last RegionView that was clicked on, or 0 if the last click was not
 544          * on a RegionView.  This is set up by the canvas event handlers in
 545          * editor_canvas_events.cc
 546          */
 547         RegionView*        clicked_regionview;
 548         RegionSelection    latest_regionviews;
 549         uint32_t           clicked_selection;
 550         CrossfadeView*     clicked_crossfadeview;
 551         ControlPoint*      clicked_control_point;
 552
 553         void sort_track_selection (TrackSelection* sel = 0);
 554
 555         void get_relevant_tracks (std::set<RouteTimeAxisView*>& relevant_tracks) const;
 556         void get_equivalent_tracks (RouteTimeAxisView*, std::set<RouteTimeAxisView*> &, ARDOUR::RouteGroup::Property) const;
 557         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*> &, ARDOUR::RouteGroup::Property) const;
 558         RegionSelection get_equivalent_regions (RegionSelection &, ARDOUR::RouteGroup::Property) const;
 559         void mapover_tracks (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, ARDOUR::RouteGroup::Property) const;
 560
 561         /* functions to be passed to mapover_tracks(), possibly with sigc::bind()-supplied arguments */
 562
 563         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView *, std::vector<RegionView*>*) const;
 564         void mapped_use_new_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 565         void mapped_use_copy_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
 566         void mapped_clear_playlist (RouteTimeAxisView&, uint32_t);
 567
 568         /* end */
 569
 570         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
 571         bool button_release_can_deselect;
 572
 573         void catch_vanishing_regionview (RegionView *);
 574
 575         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
 576         void select_all_tracks ();
 577
 578         bool set_selected_control_point_from_click (Selection::Operation op = Selection::Set, bool no_remove=false);
 579         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
 580         void set_selected_track_as_side_effect (bool force = false);
 581         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set, bool no_track_remove=false);
 582
 583         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
 584         void collect_new_region_view (RegionView *);
 585         void collect_and_select_new_region_view (RegionView *);
 586
 587         Gtk::Menu track_context_menu;
 588         Gtk::Menu track_region_context_menu;
 589         Gtk::Menu track_selection_context_menu;
 590         Gtk::Menu track_crossfade_context_menu;
 591
 592         Gtk::MenuItem* region_edit_menu_split_item;
 593         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
 594         Gtk::Menu * track_region_edit_playlist_menu;
 595         Gtk::Menu * track_edit_playlist_submenu;
 596         Gtk::Menu * track_selection_edit_playlist_submenu;
 597
 598         void popup_track_context_menu (int, int, ItemType, bool, nframes64_t);
 599         Gtk::Menu* build_track_context_menu (nframes64_t);
 600         Gtk::Menu* build_track_bus_context_menu (nframes64_t);
 601         Gtk::Menu* build_track_region_context_menu (nframes64_t frame);
 602         Gtk::Menu* build_track_crossfade_context_menu (nframes64_t);
 603         Gtk::Menu* build_track_selection_context_menu (nframes64_t);
 604         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
 605         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
 606         void add_region_context_items (StreamView*, boost::shared_ptr<ARDOUR::Region>, Gtk::Menu_Helpers::MenuList&);
 607         void add_crossfade_context_items (AudioStreamView*, boost::shared_ptr<ARDOUR::Crossfade>, Gtk::Menu_Helpers::MenuList&, bool many);
 608         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
 609
 610         void handle_new_route (ARDOUR::RouteList&);
 611         void remove_route (TimeAxisView *);
 612         bool route_removal;
 613
 614         Gtk::HBox           global_hpacker;
 615         Gtk::VBox           global_vpacker;
 616         Gtk::VBox           vpacker;
 617
 618         Gdk::Cursor*          current_canvas_cursor;
 619         void set_canvas_cursor ();
 620         Gdk::Cursor* which_grabber_cursor ();
 621
 622         ArdourCanvas::Canvas* track_canvas;
 623
 624         ArdourCanvas::Text* verbose_canvas_cursor;
 625         bool                 verbose_cursor_visible;
 626
 627         void parameter_changed (std::string);
 628
 629         bool track_canvas_motion (GdkEvent*);
 630
 631         void set_verbose_canvas_cursor (const std::string &, double x, double y);
 632         void set_verbose_canvas_cursor_text (const std::string &);
 633         void show_verbose_canvas_cursor();
 634
 635         bool verbose_cursor_on; // so far unused
 636
 637         Gtk::EventBox             time_canvas_event_box;
 638         Gtk::EventBox             track_canvas_event_box;
 639         Gtk::EventBox             time_button_event_box;
 640         Gtk::EventBox             ruler_label_event_box;
 641
 642         ArdourCanvas::Group      *minsec_group;
 643         ArdourCanvas::Pixbuf     *logo_item;
 644         ArdourCanvas::Group      *bbt_group;
 645         ArdourCanvas::Group      *timecode_group;
 646         ArdourCanvas::Group      *frame_group;
 647         ArdourCanvas::Group      *tempo_group;
 648         ArdourCanvas::Group      *meter_group;
 649         ArdourCanvas::Group      *marker_group;
 650         ArdourCanvas::Group      *range_marker_group;
 651         ArdourCanvas::Group      *transport_marker_group;
 652         ArdourCanvas::Group*      cd_marker_group;
 653
 654         ArdourCanvas::Group*      timebar_group;
 655
 656         /* These bars never need to be scrolled */
 657         ArdourCanvas::Group*      meter_bar_group;
 658         ArdourCanvas::Group*      tempo_bar_group;
 659         ArdourCanvas::Group*      marker_bar_group;
 660         ArdourCanvas::Group*      range_marker_bar_group;
 661         ArdourCanvas::Group*      transport_marker_bar_group;
 662         ArdourCanvas::Group*      cd_marker_bar_group;
 663
 664         /** The group containing all items that require horizontal scrolling. */
 665         ArdourCanvas::Group* _background_group;
 666         /*
 667            The _master_group is the group containing all items
 668            that require horizontal scrolling..
 669            It is primarily used to separate canvas items
 670            that require horizontal scrolling from those that do not.
 671         */
 672         ArdourCanvas::Group* _master_group;
 673
 674         /* The group containing all trackviews.  Only scrolled vertically. */
 675         ArdourCanvas::Group* _trackview_group;
 676
 677         /* The group used for region motion.  Sits on top of _trackview_group */
 678         ArdourCanvas::Group* _region_motion_group;
 679
 680         enum RulerType {
 681                 ruler_metric_timecode = 0,
 682                 ruler_metric_bbt = 1,
 683                 ruler_metric_frames = 2,
 684                 ruler_metric_minsec = 3,
 685
 686                 ruler_time_tempo = 4,
 687                 ruler_time_meter = 5,
 688                 ruler_time_marker = 6,
 689                 ruler_time_range_marker = 7,
 690                 ruler_time_transport_marker = 8,
 691                 ruler_time_cd_marker = 9,
 692         };
 693
 694         static GtkCustomMetric ruler_metrics[4];
 695         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
 696         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
 697         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
 698         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
 699         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
 700         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
 701         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
 702         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
 703         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
 704         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
 705         bool                            no_ruler_shown_update;
 706
 707         gint ruler_button_press (GdkEventButton*);
 708         gint ruler_button_release (GdkEventButton*);
 709         gint ruler_mouse_motion (GdkEventMotion*);
 710         bool ruler_scroll (GdkEventScroll* event);
 711
 712         Gtk::Widget * ruler_grabbed_widget;
 713
 714         void initialize_rulers ();
 715         void update_just_timecode ();
 716         void compute_fixed_ruler_scale (); //calculates the RulerScale of the fixed rulers
 717         void update_fixed_rulers ();
 718         void update_tempo_based_rulers ();
 719         void popup_ruler_menu (nframes64_t where = 0, ItemType type = RegionItem);
 720         void update_ruler_visibility ();
 721         void set_ruler_visible (RulerType, bool);
 722         void toggle_ruler_visibility (RulerType rt);
 723         void ruler_toggled (int);
 724         gint ruler_label_button_release (GdkEventButton*);
 725         void store_ruler_visibility ();
 726         void restore_ruler_visibility ();
 727
 728         static gint _metric_get_timecode (GtkCustomRulerMark **, gdouble, gdouble, gint);
 729         static gint _metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
 730         static gint _metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
 731         static gint _metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
 732
 733         enum MinsecRulerScale {
 734                 minsec_show_seconds,
 735                 minsec_show_minutes,
 736                 minsec_show_hours,
 737                 minsec_show_frames
 738         };
 739
 740         MinsecRulerScale minsec_ruler_scale;
 741
 742         nframes_t minsec_mark_interval;
 743         gint minsec_mark_modulo;
 744         gint minsec_nmarks;
 745         void set_minsec_ruler_scale (gdouble lower, gdouble upper);
 746
 747         enum TimecodeRulerScale {
 748                 timecode_show_bits,
 749                 timecode_show_frames,
 750                 timecode_show_seconds,
 751                 timecode_show_minutes,
 752                 timecode_show_hours
 753         };
 754
 755         TimecodeRulerScale timecode_ruler_scale;
 756
 757         nframes_t timecode_mark_interval;
 758         gint timecode_mark_modulo;
 759         gint timecode_nmarks;
 760         void set_timecode_ruler_scale (gdouble lower, gdouble upper);
 761
 762         enum BBTRulerScale {
 763                 bbt_over,
 764                 bbt_show_64,
 765                 bbt_show_16,
 766                 bbt_show_4,
 767                 bbt_show_1,
 768                 bbt_show_beats,
 769                 bbt_show_ticks,
 770                 bbt_show_ticks_detail,
 771                 bbt_show_ticks_super_detail
 772         };
 773
 774         BBTRulerScale bbt_ruler_scale;
 775
 776         uint32_t bbt_bars;
 777         gint bbt_nmarks;
 778         uint32_t bbt_bar_helper_on;
 779         uint32_t bbt_accent_modulo;
 780         void compute_bbt_ruler_scale (nframes64_t lower, nframes64_t upper);
 781
 782         gint metric_get_timecode (GtkCustomRulerMark **, gdouble, gdouble, gint);
 783         gint metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
 784         gint metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
 785         gint metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
 786
 787         Gtk::Widget        *_ruler_separator;
 788         GtkWidget          *_timecode_ruler;
 789         GtkWidget          *_bbt_ruler;
 790         GtkWidget          *_frames_ruler;
 791         GtkWidget          *_minsec_ruler;
 792         Gtk::Widget        *timecode_ruler;
 793         Gtk::Widget        *bbt_ruler;
 794         Gtk::Widget        *frames_ruler;
 795         Gtk::Widget        *minsec_ruler;
 796         static Editor      *ruler_editor;
 797
 798         static const double timebar_height;
 799         guint32 visible_timebars;
 800         gdouble canvas_timebars_vsize;
 801         gdouble get_canvas_timebars_vsize () const { return canvas_timebars_vsize; }
 802         Gtk::Menu          *editor_ruler_menu;
 803
 804         ArdourCanvas::SimpleRect* tempo_bar;
 805         ArdourCanvas::SimpleRect* meter_bar;
 806         ArdourCanvas::SimpleRect* marker_bar;
 807         ArdourCanvas::SimpleRect* range_marker_bar;
 808         ArdourCanvas::SimpleRect* transport_marker_bar;
 809         ArdourCanvas::SimpleRect* cd_marker_bar;
 810
 811         Gtk::Label  minsec_label;
 812         Gtk::Label  bbt_label;
 813         Gtk::Label  timecode_label;
 814         Gtk::Label  frame_label;
 815         Gtk::Label  tempo_label;
 816         Gtk::Label  meter_label;
 817         Gtk::Label  mark_label;
 818         Gtk::Label  range_mark_label;
 819         Gtk::Label  transport_mark_label;
 820         Gtk::Label  cd_mark_label;
 821
 822         Gtk::VBox          time_button_vbox;
 823         Gtk::HBox          time_button_hbox;
 824
 825         friend class EditorCursor;
 826
 827         EditorCursor*        playhead_cursor;
 828         ArdourCanvas::Group* cursor_group;
 829
 830         nframes64_t get_region_boundary (nframes64_t pos, int32_t dir, bool with_selection, bool only_onscreen);
 831
 832         void    cursor_to_region_boundary (bool with_selection, int32_t dir);
 833         void    cursor_to_next_region_boundary (bool with_selection);
 834         void    cursor_to_previous_region_boundary (bool with_selection);
 835         void    cursor_to_next_region_point (EditorCursor*, ARDOUR::RegionPoint);
 836         void    cursor_to_previous_region_point (EditorCursor*, ARDOUR::RegionPoint);
 837         void    cursor_to_region_point (EditorCursor*, ARDOUR::RegionPoint, int32_t dir);
 838         void    cursor_to_selection_start (EditorCursor *);
 839         void    cursor_to_selection_end   (EditorCursor *);
 840
 841         void    selected_marker_to_region_boundary (bool with_selection, int32_t dir);
 842         void    selected_marker_to_next_region_boundary (bool with_selection);
 843         void    selected_marker_to_previous_region_boundary (bool with_selection);
 844         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
 845         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
 846         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
 847         void    selected_marker_to_selection_start ();
 848         void    selected_marker_to_selection_end   ();
 849
 850         void    select_all_selectables_using_cursor (EditorCursor *, bool);
 851         void    select_all_selectables_using_edit (bool);
 852         void    select_all_selectables_between (bool within);
 853         void    select_range_between ();
 854
 855         boost::shared_ptr<ARDOUR::Region> find_next_region (nframes64_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
 856         nframes64_t find_next_region_boundary (nframes64_t, int32_t dir, const TrackViewList&);
 857
 858         std::vector<nframes64_t> region_boundary_cache;
 859         void build_region_boundary_cache ();
 860
 861         Gtk::HBox           top_hbox;
 862         Gtk::HBox           bottom_hbox;
 863
 864         Gtk::Table          edit_packer;
 865         Gtk::VScrollbar     edit_vscrollbar;
 866
 867         Gtk::Adjustment     vertical_adjustment;
 868         Gtk::Adjustment     horizontal_adjustment;
 869
 870         Gtk::Layout         controls_layout;
 871         bool control_layout_scroll (GdkEventScroll* ev);
 872         void controls_layout_size_request (Gtk::Requisition*);
 873         sigc::connection controls_layout_size_request_connection;
 874
 875         Gtk::HScrollbar     edit_hscrollbar;
 876         bool                _dragging_hscrollbar;
 877
 878         void reset_hscrollbar_stepping ();
 879
 880         bool hscrollbar_button_press (GdkEventButton*);
 881         bool hscrollbar_button_release (GdkEventButton*);
 882         void hscrollbar_allocate (Gtk::Allocation &alloc);
 883
 884         double _canvas_width;
 885         double _canvas_height;
 886         double full_canvas_height;
 887
 888         bool track_canvas_map_handler (GdkEventAny*);
 889
 890         gint edit_controls_button_release (GdkEventButton*);
 891         Gtk::Menu *edit_controls_left_menu;
 892         Gtk::Menu *edit_controls_right_menu;
 893
 894         Gtk::VBox           ruler_label_vbox;
 895         Gtk::VBox           track_canvas_vbox;
 896         Gtk::VBox           time_canvas_vbox;
 897         Gtk::VBox           edit_controls_vbox;
 898         Gtk::HBox           edit_controls_hbox;
 899
 900         void control_scroll (float);
 901         void access_action (std::string,std::string);
 902         bool deferred_control_scroll (nframes64_t);
 903         sigc::connection control_scroll_connection;
 904
 905         gdouble get_trackview_group_vertical_offset () const { return vertical_adjustment.get_value () - canvas_timebars_vsize;}
 906
 907         ArdourCanvas::Group* get_background_group () const { return _background_group; }
 908         ArdourCanvas::Group* get_trackview_group () const { return _trackview_group; }
 909         double last_trackview_group_vertical_offset;
 910         void tie_vertical_scrolling ();
 911         void scroll_canvas_horizontally ();
 912         void scroll_canvas_vertically ();
 913
 914         struct VisualChange {
 915                 enum Type {
 916                         TimeOrigin = 0x1,
 917                         ZoomLevel = 0x2,
 918                         YOrigin = 0x4
 919                 };
 920
 921                 Type pending;
 922                 nframes64_t time_origin;
 923                 double frames_per_unit;
 924                 double y_origin;
 925
 926                 int idle_handler_id;
 927
 928                 VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), frames_per_unit (0), idle_handler_id (-1) {}
 929                 void add (Type t) {
 930                         pending = Type (pending | t);
 931                 }
 932         };
 933
 934
 935         VisualChange pending_visual_change;
 936
 937         static int _idle_visual_changer (void *arg);
 938         int idle_visual_changer ();
 939
 940         void queue_visual_change (nframes64_t);
 941         void queue_visual_change (double);
 942         void queue_visual_change_y (double);
 943         void ensure_visual_change_idle_handler ();
 944
 945         void end_location_changed (ARDOUR::Location*);
 946
 947         /* named selections */
 948
 949         struct NamedSelectionDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
 950             NamedSelectionDisplayModelColumns() {
 951                     add (text);
 952                     add (selection);
 953             }
 954             Gtk::TreeModelColumn<Glib::ustring>  text;
 955             Gtk::TreeModelColumn<ARDOUR::NamedSelection*>    selection;
 956         };
 957
 958         NamedSelectionDisplayModelColumns named_selection_columns;
 959         Glib::RefPtr<Gtk::TreeStore>     named_selection_model;
 960
 961         Gtkmm2ext::DnDTreeView<ARDOUR::NamedSelection*> named_selection_display;
 962         Gtk::ScrolledWindow    named_selection_scroller;
 963
 964         void create_named_selection ();
 965         void paste_named_selection (float times);
 966         void remove_selected_named_selections ();
 967
 968         void handle_new_named_selection ();
 969         void add_named_selection_to_named_selection_display (ARDOUR::NamedSelection&);
 970         void redisplay_named_selections ();
 971
 972         bool named_selection_display_button_release (GdkEventButton *ev);
 973         bool named_selection_display_key_release (GdkEventKey *ev);
 974         void named_selection_display_selection_changed ();
 975
 976         /* track views */
 977         TrackViewList track_views;
 978         std::pair<TimeAxisView*, ARDOUR::layer_t> trackview_by_y_position (double);
 979         TimeAxisView* axis_view_from_route (ARDOUR::Route *) const;
 980         TrackSelection axis_views_from_routes (std::list<ARDOUR::Route *>) const;
 981
 982         TrackSelection get_tracks_for_range_action () const;
 983
 984         static Gdk::Cursor* cross_hair_cursor;
 985         static Gdk::Cursor* trimmer_cursor;
 986         static Gdk::Cursor* selector_cursor;
 987         static Gdk::Cursor* grabber_cursor;
 988         static Gdk::Cursor* grabber_edit_point_cursor;
 989         static Gdk::Cursor* zoom_cursor;
 990         static Gdk::Cursor* time_fx_cursor;
 991         static Gdk::Cursor* fader_cursor;
 992         static Gdk::Cursor* speaker_cursor;
 993         static Gdk::Cursor* midi_pencil_cursor;
 994         static Gdk::Cursor* midi_select_cursor;
 995         static Gdk::Cursor* midi_resize_cursor;
 996         static Gdk::Cursor* midi_erase_cursor;
 997         static Gdk::Cursor* wait_cursor;
 998         static Gdk::Cursor* timebar_cursor;
 999         static Gdk::Cursor* transparent_cursor;
1000
1001         static void build_cursors ();
1002
1003         sigc::connection scroll_connection;
1004         nframes64_t last_update_frame;
1005         void center_screen (nframes64_t);
1006         void center_screen_internal (nframes64_t, float);
1007
1008         void update_current_screen ();
1009
1010         void session_going_away ();
1011
1012         nframes64_t cut_buffer_start;
1013         nframes64_t cut_buffer_length;
1014
1015         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1016         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1017         bool button_press_handler_1 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1018         bool button_press_handler_2 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1019         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1020         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, bool from_autoscroll = false);
1021         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1022         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1023
1024         /* KEYMAP HANDLING */
1025
1026         void register_actions ();
1027
1028         int ensure_cursor (nframes64_t* pos);
1029
1030         void cut_copy (Editing::CutCopyOp);
1031         bool can_cut_copy () const;
1032         void cut_copy_points (Editing::CutCopyOp);
1033         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1034         void cut_copy_ranges (Editing::CutCopyOp);
1035         void cut_copy_midi (Editing::CutCopyOp);
1036
1037         void mouse_paste ();
1038         void paste_internal (nframes64_t position, float times);
1039
1040         /* EDITING OPERATIONS */
1041
1042         void reset_point_selection ();
1043         void toggle_region_mute ();
1044         void toggle_region_lock ();
1045         void toggle_region_opaque ();
1046         void toggle_record_enable ();
1047         void set_region_lock_style (ARDOUR::Region::PositionLockStyle);
1048         void raise_region ();
1049         void raise_region_to_top ();
1050         void lower_region ();
1051         void lower_region_to_bottom ();
1052         void split_regions_at (nframes64_t, RegionSelection&);
1053         void split_region_at_transients ();
1054         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret);
1055         void crop_region_to_selection ();
1056         void crop_region_to (nframes64_t start, nframes64_t end);
1057         void set_sync_point (nframes64_t, const RegionSelection&);
1058         void set_region_sync_from_edit_point ();
1059         void remove_region_sync();
1060         void align_selection (ARDOUR::RegionPoint, nframes64_t position, const RegionSelection&);
1061         void align_selection_relative (ARDOUR::RegionPoint point, nframes64_t position, const RegionSelection&);
1062         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, nframes64_t position);
1063         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, nframes64_t position);
1064         void remove_selected_regions ();
1065         void remove_clicked_region ();
1066         void edit_region ();
1067         void show_midi_list_editor ();
1068         void rename_region ();
1069         void duplicate_some_regions (RegionSelection&, float times);
1070         void duplicate_selection (float times);
1071         void region_fill_selection ();
1072
1073         void region_fill_track ();
1074         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1075         void audition_playlist_region_via_route (boost::shared_ptr<ARDOUR::Region>, ARDOUR::Route&);
1076         void split_multichannel_region();
1077         void reverse_region ();
1078         void strip_region_silence ();
1079         void normalize_region ();
1080         double _last_normalization_value;
1081         void reset_region_scale_amplitude ();
1082         void adjust_region_scale_amplitude (bool up);
1083         void quantize_region ();
1084
1085         void do_insert_time ();
1086         void insert_time (nframes64_t, nframes64_t, Editing::InsertTimeOption, bool, bool, bool);
1087
1088         void tab_to_transient (bool forward);
1089
1090         void use_region_as_bar ();
1091         void use_range_as_bar ();
1092
1093         void define_one_bar (nframes64_t start, nframes64_t end);
1094
1095         void audition_region_from_region_list ();
1096         void hide_region_from_region_list ();
1097
1098         void align (ARDOUR::RegionPoint);
1099         void align_relative (ARDOUR::RegionPoint);
1100         void naturalize ();
1101
1102         void reset_focus ();
1103
1104         void split ();
1105
1106         void cut ();
1107         void copy ();
1108         void paste (float times);
1109
1110         int  get_prefix (float&, bool&);
1111
1112         void keyboard_paste ();
1113         void keyboard_insert_region_list_selection ();
1114
1115         void region_from_selection ();
1116         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::Region> >&);
1117
1118         void play_from_start ();
1119         void play_from_edit_point ();
1120         void play_from_edit_point_and_return ();
1121         void play_selected_region ();
1122         void play_edit_range ();
1123         void loop_selected_region ();
1124         void play_location (ARDOUR::Location&);
1125         void loop_location (ARDOUR::Location&);
1126
1127         void temporal_zoom_selection ();
1128         void temporal_zoom_region (bool both_axes);
1129         void zoom_to_region (bool both_axes);
1130         void temporal_zoom_session ();
1131         void temporal_zoom (gdouble scale);
1132         void temporal_zoom_by_frame (nframes64_t start, nframes64_t end, const std::string & op);
1133         void temporal_zoom_to_frame (bool coarser, nframes64_t frame);
1134
1135         void amplitude_zoom (gdouble scale);
1136         void amplitude_zoom_step (bool in);
1137
1138         void insert_region_list_drag (boost::shared_ptr<ARDOUR::Region>, int x, int y);
1139         void insert_region_list_selection (float times);
1140
1141         void insert_route_list_drag (boost::shared_ptr<ARDOUR::Route>, int x, int y);
1142
1143         /* import & embed */
1144
1145         void add_external_audio_action (Editing::ImportMode);
1146         void external_audio_dialog ();
1147         void session_import_dialog ();
1148
1149         int  check_whether_and_how_to_import(std::string, bool all_or_nothing = true);
1150         bool check_multichannel_status (const std::vector<Glib::ustring>& paths);
1151
1152         SoundFileOmega* sfbrowser;
1153
1154         void bring_in_external_audio (Editing::ImportMode mode,  nframes64_t& pos);
1155
1156         bool  idle_drop_paths  (std::vector<Glib::ustring> paths, nframes64_t frame, double ypos);
1157         void  drop_paths_part_two  (const std::vector<Glib::ustring>& paths, nframes64_t frame, double ypos);
1158
1159         int  import_sndfiles (std::vector<Glib::ustring> paths, Editing::ImportMode mode,  ARDOUR::SrcQuality, nframes64_t& pos,
1160                               int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::Track>, bool, uint32_t total);
1161         int  embed_sndfiles (std::vector<Glib::ustring> paths, bool multiple_files, bool& check_sample_rate, Editing::ImportMode mode,
1162                              nframes64_t& pos, int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::Track>&);
1163
1164         int add_sources (std::vector<Glib::ustring> paths, ARDOUR::SourceList& sources, nframes64_t& pos, Editing::ImportMode,
1165                          int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::Track>&, bool add_channel_suffix);
1166         int finish_bringing_in_material (boost::shared_ptr<ARDOUR::Region> region, uint32_t, uint32_t,  nframes64_t& pos, Editing::ImportMode mode,
1167                                       boost::shared_ptr<ARDOUR::Track>& existing_track);
1168
1169         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1170         boost::shared_ptr<ARDOUR::MidiTrack> get_nth_selected_midi_track (int nth) const;
1171
1172         /* generic interthread progress window */
1173
1174         ArdourDialog* interthread_progress_window;
1175         Gtk::Label interthread_progress_label;
1176         Gtk::VBox interthread_progress_vbox;
1177         Gtk::ProgressBar interthread_progress_bar;
1178         Gtk::Button interthread_cancel_button;
1179         Gtk::Label interthread_cancel_label;
1180         sigc::connection  interthread_progress_connection;
1181         void interthread_cancel_clicked ();
1182         void build_interthread_progress_window ();
1183         ARDOUR::InterThreadInfo* current_interthread_info;
1184
1185         AnalysisWindow* analysis_window;
1186
1187         /* import specific info */
1188
1189         struct EditorImportStatus : public ARDOUR::Session::ImportStatus {
1190             Editing::ImportMode mode;
1191             nframes64_t pos;
1192             int target_tracks;
1193             int target_regions;
1194             boost::shared_ptr<ARDOUR::Track> track;
1195             bool replace;
1196         };
1197
1198         EditorImportStatus import_status;
1199         gint import_progress_timeout (void *);
1200         static void *_import_thread (void *);
1201         void* import_thread ();
1202         void finish_import ();
1203
1204         /* to support this ... */
1205
1206         void import_audio (bool as_tracks);
1207         void do_import (std::vector<Glib::ustring> paths, bool split, bool as_tracks);
1208
1209         void move_to_start ();
1210         void move_to_end ();
1211         void goto_frame ();
1212         void center_playhead ();
1213         void center_edit_point ();
1214         void edit_cursor_backward ();
1215         void edit_cursor_forward ();
1216         void playhead_forward_to_grid ();
1217         void playhead_backward_to_grid ();
1218         void playhead_backward ();
1219         void playhead_forward ();
1220         void scroll_playhead (bool forward);
1221         void scroll_backward (float pages=0.8f);
1222         void scroll_forward (float pages=0.8f);
1223         void scroll_tracks_down ();
1224         void scroll_tracks_up ();
1225         void delete_sample_forward ();
1226         void delete_sample_backward ();
1227         void delete_screen ();
1228         void search_backwards ();
1229         void search_forwards ();
1230         void set_mark ();
1231         void clear_markers ();
1232         void clear_ranges ();
1233         void clear_locations ();
1234         void unhide_markers ();
1235         void unhide_ranges ();
1236         void jump_forward_to_mark ();
1237         void jump_backward_to_mark ();
1238         void cursor_align (bool playhead_to_edit);
1239
1240         void remove_last_capture ();
1241         void select_all_selectables_using_time_selection ();
1242         void select_all_selectables_using_loop();
1243         void select_all_selectables_using_punch();
1244         void set_selection_from_range (ARDOUR::Location&);
1245         void set_selection_from_punch ();
1246         void set_selection_from_loop ();
1247         void set_selection_from_region ();
1248
1249         void add_location_mark (nframes64_t where);
1250         void add_location_from_audio_region ();
1251         void add_locations_from_audio_region ();
1252         void add_location_from_selection ();
1253         void set_loop_from_selection (bool play);
1254         void set_punch_from_selection ();
1255         void set_punch_from_region ();
1256
1257         void set_loop_from_edit_range (bool play);
1258         void set_loop_from_region (bool play);
1259         void set_punch_from_edit_range ();
1260
1261         void set_loop_range (nframes64_t start, nframes64_t end, std::string cmd);
1262         void set_punch_range (nframes64_t start, nframes64_t end, std::string cmd);
1263
1264         void add_location_from_playhead_cursor ();
1265         bool select_new_marker;
1266
1267         void reverse_selection ();
1268         void edit_envelope ();
1269
1270         void start_scrolling ();
1271         void stop_scrolling ();
1272
1273         double last_scrub_x;
1274         int scrubbing_direction;
1275         int scrub_reversals;
1276         int scrub_reverse_distance;
1277         void scrub ();
1278
1279         void keyboard_selection_begin ();
1280         void keyboard_selection_finish (bool add);
1281         bool have_pending_keyboard_selection;
1282         nframes64_t pending_keyboard_selection_start;
1283
1284         boost::shared_ptr<ARDOUR::Region> select_region_for_operation (int dir, TimeAxisView **tv);
1285         void extend_selection_to_end_of_region (bool next);
1286         void extend_selection_to_start_of_region (bool previous);
1287
1288         Editing::SnapType snap_type;
1289         Editing::SnapMode snap_mode;
1290
1291         /// Snap threshold in pixels
1292         double snap_threshold;
1293
1294         bool ignore_gui_changes;
1295
1296         Drag* _drag;
1297
1298         void break_drag ();
1299
1300         Gtk::Menu fade_context_menu;
1301         void popup_fade_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1302
1303         void set_fade_in_shape (ARDOUR::AudioRegion::FadeShape);
1304         void set_fade_out_shape (ARDOUR::AudioRegion::FadeShape);
1305
1306         void set_fade_length (bool in);
1307         void toggle_fade_active (bool in);
1308         void set_fade_in_active (bool);
1309         void set_fade_out_active (bool);
1310
1311         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1312         RegionSelection pre_drag_region_selection;
1313
1314         bool _dragging_playhead;
1315         bool _dragging_edit_point;
1316
1317         void marker_drag_motion_callback (GdkEvent*);
1318         void marker_drag_finished_callback (GdkEvent*);
1319
1320         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1321
1322         void start_region_grab (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1323         void start_create_region_grab (ArdourCanvas::Item*, GdkEvent*);
1324         void start_region_copy_grab (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1325         void start_region_brush_grab (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1326         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1327
1328         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1329
1330         void remove_gain_control_point (ArdourCanvas::Item*, GdkEvent*);
1331         void remove_control_point (ArdourCanvas::Item*, GdkEvent*);
1332
1333         void mouse_brush_insert_region (RegionView*, nframes64_t pos);
1334         void brush (nframes64_t);
1335
1336         void show_verbose_time_cursor (nframes64_t frame, double offset = 0, double xpos=-1, double ypos=-1);
1337         void show_verbose_duration_cursor (nframes64_t start, nframes64_t end, double offset = 0, double xpos=-1, double ypos=-1);
1338         double clamp_verbose_cursor_x (double);
1339         double clamp_verbose_cursor_y (double);
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
1354
1355         // These variables are used to detect a feedback loop and break it to avoid a gui hang
1356 private:
1357         ArdourCanvas::Item *last_item_entered;
1358         int last_item_entered_n;
1359 public:
1360
1361         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1362         bool canvas_frame_handle_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1363         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1364         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1365         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1366         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*);
1367         bool canvas_zoom_rect_event (GdkEvent* event,ArdourCanvas::Item*);
1368         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1369         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1370         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) ;
1371         bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item*);
1372
1373         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1374         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1375         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1376         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1377         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1378         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1379
1380         bool canvas_imageframe_item_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1381         bool canvas_imageframe_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameTimeAxis*);
1382         bool canvas_imageframe_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1383         bool canvas_imageframe_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1384         bool canvas_marker_time_axis_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerTimeAxis*);
1385         bool canvas_markerview_item_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1386         bool canvas_markerview_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1387         bool canvas_markerview_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1388
1389         /* non-public event handlers */
1390
1391         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1392         bool track_canvas_scroll (GdkEventScroll* event);
1393
1394         bool track_canvas_scroll_event (GdkEventScroll* event);
1395         bool track_canvas_button_press_event (GdkEventButton* event);
1396         bool track_canvas_button_release_event (GdkEventButton* event);
1397         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1398
1399         Gtk::Allocation canvas_allocation;
1400         void track_canvas_allocate (Gtk::Allocation alloc);
1401         bool track_canvas_size_allocated ();
1402         bool track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const &, int, int, guint);
1403
1404         void set_playhead_cursor ();
1405
1406         void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
1407         void kbd_mute_unmute_region ();
1408         void kbd_brush ();
1409
1410         void kbd_do_brush (GdkEvent*);
1411         void kbd_do_audition (GdkEvent*);
1412
1413         void handle_new_duration ();
1414         void initialize_canvas ();
1415
1416         /* display control */
1417
1418         bool _show_measures;
1419         /// true if the editor should follow the playhead, otherwise false
1420         bool _follow_playhead;
1421         /// true if waveforms should be shown while recording audio tracks, otherwise false
1422         bool _show_waveforms_recording;
1423
1424         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1425
1426         TempoLines* tempo_lines;
1427
1428         ArdourCanvas::Group* time_line_group;
1429
1430         void hide_measures ();
1431         void draw_measures ();
1432         bool redraw_measures ();
1433
1434         void new_tempo_section ();
1435
1436         void mouse_add_new_tempo_event (nframes64_t where);
1437         void mouse_add_new_meter_event (nframes64_t where);
1438
1439         void remove_tempo_marker (ArdourCanvas::Item*);
1440         void remove_meter_marker (ArdourCanvas::Item*);
1441         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1442         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1443
1444         void edit_tempo_section (ARDOUR::TempoSection*);
1445         void edit_meter_section (ARDOUR::MeterSection*);
1446         void edit_tempo_marker (ArdourCanvas::Item*);
1447         void edit_meter_marker (ArdourCanvas::Item*);
1448         void edit_control_point (ArdourCanvas::Item*);
1449
1450         void marker_menu_edit ();
1451         void marker_menu_remove ();
1452         void marker_menu_rename ();
1453         void marker_menu_lock (bool yn);
1454         void marker_menu_hide ();
1455         void marker_menu_loop_range ();
1456         void marker_menu_select_all_selectables_using_range ();
1457         void marker_menu_select_using_range ();
1458         void marker_menu_separate_regions_using_location ();
1459         void marker_menu_play_from ();
1460         void marker_menu_play_range ();
1461         void marker_menu_set_playhead ();
1462         void marker_menu_set_from_playhead ();
1463         void marker_menu_set_from_selection ();
1464         void marker_menu_range_to_next ();
1465         void new_transport_marker_menu_set_loop ();
1466         void new_transport_marker_menu_set_punch ();
1467         void update_loop_range_view (bool visibility=false);
1468         void update_punch_range_view (bool visibility=false);
1469         void new_transport_marker_menu_popdown ();
1470         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1471         void tm_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1472         void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1473         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1474         void build_range_marker_menu (bool loop_or_punch);
1475         void build_marker_menu (bool start_or_end);
1476         void build_tm_marker_menu ();
1477         void build_new_transport_marker_menu ();
1478
1479         Gtk::Menu* tm_marker_menu;
1480         Gtk::Menu* marker_menu;
1481         Gtk::Menu* start_end_marker_menu;
1482         Gtk::Menu* range_marker_menu;
1483         Gtk::Menu* transport_marker_menu;
1484         Gtk::Menu* new_transport_marker_menu;
1485         Gtk::Menu* cd_marker_menu;
1486         ArdourCanvas::Item* marker_menu_item;
1487
1488         typedef std::list<Marker*> Marks;
1489         Marks metric_marks;
1490
1491         void remove_metric_marks ();
1492         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1493
1494         void compute_current_bbt_points (nframes_t left, nframes_t right);
1495         void tempo_map_changed (ARDOUR::Change);
1496         void redisplay_tempo (bool immediate_redraw);
1497
1498         void snap_to (nframes64_t& first, int32_t direction = 0, bool for_mark = false);
1499         void snap_to_with_modifier (nframes64_t& first, GdkEvent const *, int32_t direction = 0, bool for_mark = false);
1500         void snap_to (nframes64_t& first, nframes64_t& last, int32_t direction = 0, bool for_mark = false);
1501
1502         uint32_t bbt_beat_subdivision;
1503
1504         /* toolbar */
1505
1506         Gtk::ToggleButton editor_mixer_button;
1507         Gtk::ToggleButton editor_list_button;
1508         void editor_mixer_button_toggled ();
1509         void editor_list_button_toggled ();
1510
1511         AudioClock               edit_point_clock;
1512         AudioClock               zoom_range_clock;
1513         Gtk::Button              zoom_in_button;
1514         Gtk::Button              zoom_out_button;
1515         Gtk::Button              zoom_out_full_button;
1516         Gtk::Button              zoom_onetoone_button;
1517
1518         Gtk::Button              tav_expand_button;
1519         Gtk::Button              tav_shrink_button;
1520
1521         Gtk::VBox                toolbar_clock_vbox;
1522         Gtk::VBox                toolbar_selection_clock_vbox;
1523         Gtk::Table               toolbar_selection_clock_table;
1524         Gtk::Label               toolbar_selection_cursor_label;
1525
1526         Gtk::HBox                mouse_mode_button_box;
1527         Gtkmm2ext::TearOff*      mouse_mode_tearoff;
1528         Gtk::ToggleButton         mouse_select_button;
1529         Gtk::ToggleButton         mouse_move_button;
1530         Gtk::ToggleButton         mouse_gain_button;
1531         Gtk::ToggleButton         mouse_zoom_button;
1532         Gtk::ToggleButton         mouse_timefx_button;
1533         Gtk::ToggleButton         mouse_audition_button;
1534
1535         void                     mouse_mode_toggled (Editing::MouseMode m);
1536         bool                     ignore_mouse_mode_toggle;
1537
1538         Gtk::ToggleButton        internal_edit_button;
1539         void                     toggle_internal_editing ();
1540
1541         gint                     mouse_select_button_release (GdkEventButton*);
1542
1543         Gtk::VBox                automation_box;
1544         Gtk::Button              automation_mode_button;
1545         Gtk::ToggleButton        global_automation_button;
1546
1547         Gtk::ComboBoxText edit_mode_selector;
1548         Gtk::VBox         edit_mode_box;
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         Gtk::HBox           track_zoom_box;
1581         Gtk::VBox           zoom_vbox;
1582
1583         void                zoom_adjustment_changed();
1584
1585         void                edit_point_clock_changed();
1586
1587         void setup_toolbar ();
1588
1589         Gtkmm2ext::TearOff*      tools_tearoff;
1590         Gtk::HBox                toolbar_hbox;
1591         Gtk::EventBox            toolbar_base;
1592         Gtk::Frame               toolbar_frame;
1593
1594         /* midi toolbar */
1595
1596         Gtk::HBox                panic_box;
1597         Gtk::Button              midi_panic_button;
1598         Gtk::ToggleButton        midi_sound_notes;
1599         void                     midi_panic ();
1600         bool                     sound_notes () const { return midi_sound_notes.get_active(); }
1601
1602         void setup_midi_toolbar ();
1603
1604         /* selection process */
1605
1606         Selection* selection;
1607         Selection* cut_buffer;
1608
1609         void time_selection_changed ();
1610         void track_selection_changed ();
1611         void region_selection_changed ();
1612         sigc::connection editor_regions_selection_changed_connection;
1613         void sensitize_the_right_region_actions (bool have_selected_regions);
1614         void point_selection_changed ();
1615         void marker_selection_changed ();
1616
1617         void cancel_selection ();
1618
1619         void region_selection_op (void (ARDOUR::Region::*pmf)(void));
1620         void region_selection_op (void (ARDOUR::Region::*pmf)(void*), void*);
1621         void region_selection_op (void (ARDOUR::Region::*pmf)(bool), bool);
1622
1623         bool audio_region_selection_covers (nframes64_t where);
1624
1625         /* transport range select process */
1626
1627         ArdourCanvas::SimpleRect*  cd_marker_bar_drag_rect;
1628         ArdourCanvas::SimpleRect*  range_bar_drag_rect;
1629         ArdourCanvas::SimpleRect*  transport_bar_drag_rect;
1630
1631 #ifdef GTKOSX
1632         ArdourCanvas::SimpleRect     *bogus_background_rect;
1633 #endif
1634         ArdourCanvas::SimpleRect     *transport_bar_range_rect;
1635         ArdourCanvas::SimpleRect     *transport_bar_preroll_rect;
1636         ArdourCanvas::SimpleRect     *transport_bar_postroll_rect;
1637         ArdourCanvas::SimpleRect     *transport_loop_range_rect;
1638         ArdourCanvas::SimpleRect     *transport_punch_range_rect;
1639         ArdourCanvas::SimpleLine     *transport_punchin_line;
1640         ArdourCanvas::SimpleLine     *transport_punchout_line;
1641         ArdourCanvas::SimpleRect     *transport_preroll_rect;
1642         ArdourCanvas::SimpleRect     *transport_postroll_rect;
1643
1644         ARDOUR::Location*  transport_loop_location();
1645         ARDOUR::Location*  transport_punch_location();
1646
1647         ARDOUR::Location   *temp_location;
1648
1649         /* object rubberband select process */
1650
1651         bool select_all_within (nframes64_t start, nframes64_t end, gdouble topy, gdouble boty, const TrackViewList&, Selection::Operation op);
1652
1653         ArdourCanvas::SimpleRect   *rubberband_rect;
1654
1655         /* mouse zoom process */
1656
1657         ArdourCanvas::SimpleRect   *zoom_rect;
1658         void reposition_zoom_rect (nframes64_t start, nframes64_t end);
1659
1660         EditorRouteGroups* _route_groups;
1661         EditorRoutes* _routes;
1662         EditorRegions* _regions;
1663         EditorSnapshots* _snapshots;
1664
1665         /* diskstream/route display management */
1666         Glib::RefPtr<Gdk::Pixbuf> rec_enabled_icon;
1667         Glib::RefPtr<Gdk::Pixbuf> rec_disabled_icon;
1668
1669         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1670
1671         bool sync_track_view_list_and_routes ();
1672
1673         Gtk::VBox           list_vpacker;
1674
1675         /* autoscrolling */
1676
1677         bool autoscroll_active;
1678         int autoscroll_timeout_tag;
1679         int autoscroll_x;
1680         int autoscroll_y;
1681         int last_autoscroll_x;
1682         int last_autoscroll_y;
1683         uint32_t autoscroll_cnt;
1684         nframes64_t autoscroll_x_distance;
1685         double autoscroll_y_distance;
1686
1687         static gint _autoscroll_canvas (void *);
1688         bool autoscroll_canvas ();
1689         void start_canvas_autoscroll (int x, int y);
1690         void stop_canvas_autoscroll ();
1691         void maybe_autoscroll (GdkEventMotion*, bool);
1692         bool allow_vertical_scroll;
1693
1694         /* trimming */
1695         void point_trim (GdkEvent*);
1696         void single_contents_trim (RegionView&, nframes64_t, bool, bool, bool);
1697         void single_start_trim (RegionView&, nframes64_t, bool, bool, bool);
1698         void single_end_trim (RegionView&, nframes64_t, bool, bool, bool);
1699
1700         void thaw_region_after_trim (RegionView& rv);
1701
1702         void trim_region_front();
1703         void trim_region_back();
1704         void trim_region (bool front);
1705
1706         void trim_region_to_edit_point ();
1707         void trim_region_from_edit_point ();
1708         void trim_region_to_loop ();
1709         void trim_region_to_punch ();
1710         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1711
1712         void trim_to_region(bool forward);
1713         void trim_region_to_previous_region_end();
1714         void trim_region_to_next_region_start();
1715
1716         bool show_gain_after_trim;
1717
1718         /* Drag-n-Drop */
1719
1720         int convert_drop_to_paths (
1721                         std::vector<Glib::ustring>&           paths,
1722                         const Glib::RefPtr<Gdk::DragContext>& context,
1723                         gint                                  x,
1724                         gint                                  y,
1725                         const Gtk::SelectionData&             data,
1726                         guint                                 info,
1727                         guint                                 time);
1728
1729         void track_canvas_drag_data_received (
1730                         const Glib::RefPtr<Gdk::DragContext>& context,
1731                         gint                                  x,
1732                         gint                                  y,
1733                         const Gtk::SelectionData&             data,
1734                         guint                                 info,
1735                         guint                                 time);
1736
1737         void drop_paths (
1738                         const Glib::RefPtr<Gdk::DragContext>& context,
1739                         gint                                  x,
1740                         gint                                  y,
1741                         const Gtk::SelectionData&             data,
1742                         guint                                 info,
1743                         guint                                 time);
1744
1745         void drop_regions (
1746                         const Glib::RefPtr<Gdk::DragContext>& context,
1747                         gint                                  x,
1748                         gint                                  y,
1749                         const Gtk::SelectionData&             data,
1750                         guint                                 info,
1751                         guint                                 time);
1752
1753         void drop_routes (
1754                         const Glib::RefPtr<Gdk::DragContext>& context,
1755                         gint                x,
1756                         gint                y,
1757                         const Gtk::SelectionData& data,
1758                         guint               info,
1759                         guint               time);
1760
1761         /* audio export */
1762
1763         int  write_region_selection(RegionSelection&);
1764         bool write_region (std::string path, boost::shared_ptr<ARDOUR::AudioRegion>);
1765         void bounce_region_selection ();
1766         void bounce_range_selection (bool replace, bool enable_processing);
1767         void external_edit_region ();
1768
1769         int write_audio_selection (TimeSelection&);
1770         bool write_audio_range (ARDOUR::AudioPlaylist&, const ARDOUR::ChanCount& channels, std::list<ARDOUR::AudioRange>&);
1771
1772         void write_selection ();
1773
1774         XMLNode *before; /* used in *_reversible_command */
1775
1776         void begin_reversible_command (std::string cmd_name);
1777         void commit_reversible_command ();
1778
1779         void update_title ();
1780         void update_title_s (const std::string & snapshot_name);
1781
1782         struct State {
1783             Selection* selection;
1784             double frames_per_unit;
1785
1786             State (PublicEditor const * e);
1787             ~State ();
1788         };
1789
1790         void store_state (State&) const;
1791         void restore_state (State *);
1792
1793         void instant_save ();
1794
1795         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
1796
1797         /* freeze operations */
1798
1799         ARDOUR::InterThreadInfo freeze_status;
1800         gint freeze_progress_timeout (void *);
1801         static void* _freeze_thread (void*);
1802         void* freeze_thread ();
1803
1804         void freeze_route ();
1805         void unfreeze_route ();
1806
1807         /* route-group solo + mute */
1808
1809         void set_route_group_solo (ARDOUR::Route&, bool);
1810         void set_route_group_mute (ARDOUR::Route&, bool);
1811
1812         /* duplication */
1813
1814         void duplicate_dialog (bool with_dialog);
1815
1816         nframes64_t event_frame (GdkEvent const *, double* px = 0, double* py = 0) const;
1817
1818         /* returns false if mouse pointer is not in track or marker canvas
1819          */
1820         bool mouse_frame (nframes64_t&, bool& in_track_canvas) const;
1821
1822         /* "whats mine is yours" */
1823
1824         TimeFXDialog* current_timefx;
1825
1826         static void* timefx_thread (void *arg);
1827         void do_timefx (TimeFXDialog&);
1828
1829         int time_stretch (RegionSelection&, float fraction);
1830         int pitch_shift (RegionSelection&, float cents);
1831         void pitch_shift_regions ();
1832         int time_fx (RegionSelection&, float val, bool pitching);
1833
1834         /* editor-mixer strip */
1835
1836         MixerStrip *current_mixer_strip;
1837         bool show_editor_mixer_when_tracks_arrive;
1838         Gtk::VBox current_mixer_strip_vbox;
1839         void cms_new (boost::shared_ptr<ARDOUR::Route>);
1840         void cms_deleted ();
1841         void current_mixer_strip_hidden ();
1842         void current_mixer_strip_removed ();
1843
1844         void detach_tearoff (Gtk::Box* b, Gtk::Window* w);
1845         void reattach_tearoff (Gtk::Box* b, Gtk::Window* w, int32_t n);
1846 #ifdef GTKOSX
1847         void ensure_all_elements_drawn ();
1848 #endif
1849         /* nudging tracks */
1850
1851         void nudge_track (bool use_edit_point, bool forwards);
1852
1853         /* xfades */
1854
1855         bool _xfade_visibility;
1856
1857 #ifdef WITH_CMT
1858         void handle_new_imageframe_time_axis_view(const std::string & track_name, void* src) ;
1859         void handle_new_imageframe_marker_time_axis_view(const std::string & track_name, TimeAxisView* marked_track) ;
1860
1861         void start_imageframe_grab(ArdourCanvas::Item*, GdkEvent*) ;
1862         void start_markerview_grab(ArdourCanvas::Item*, GdkEvent*) ;
1863
1864         void imageframe_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1865         void markerview_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1866         void timeaxis_item_drag_finished_callback(ArdourCanvas::Item*, GdkEvent*) ;
1867
1868         gint canvas_imageframe_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1869         gint canvas_imageframe_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
1870         gint canvas_imageframe_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1871         gint canvas_imageframe_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1872
1873         gint canvas_marker_time_axis_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerTimeAxis* mta);
1874         gint canvas_markerview_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1875         gint canvas_markerview_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1876         gint canvas_markerview_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1877
1878         void imageframe_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1879         void imageframe_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1880         void imageframe_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1881         void imageframe_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1882         void imageframe_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1883         void imageframe_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1884
1885         void markerview_item_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1886         void markerview_item_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1887         void markerview_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1888         void markerview_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1889         void markerview_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1890         void markerview_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1891
1892         void popup_imageframe_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1893         void popup_marker_time_axis_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1894
1895         ImageFrameSocketHandler* image_socket_listener ;
1896 #endif
1897
1898         void toggle_xfade_active (boost::weak_ptr<ARDOUR::Crossfade>);
1899         void toggle_xfade_length (boost::weak_ptr<ARDOUR::Crossfade>);
1900         void edit_xfade (boost::weak_ptr<ARDOUR::Crossfade>);
1901         void xfade_edit_left_region ();
1902         void xfade_edit_right_region ();
1903
1904         static const int32_t default_width = 995;
1905         static const int32_t default_height = 765;
1906
1907         /* nudge */
1908
1909         Gtk::Button      nudge_forward_button;
1910         Gtk::Button      nudge_backward_button;
1911         Gtk::HBox        nudge_hbox;
1912         Gtk::VBox        nudge_vbox;
1913         AudioClock       nudge_clock;
1914
1915         bool nudge_forward_release (GdkEventButton*);
1916         bool nudge_backward_release (GdkEventButton*);
1917
1918         /* audio filters */
1919
1920         void apply_filter (ARDOUR::Filter&, std::string cmd);
1921
1922         Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv);
1923         void apply_midi_note_edit_op (ARDOUR::MidiOperator& op);
1924
1925         /* handling cleanup */
1926
1927         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
1928
1929         std::vector<sigc::connection> session_connections;
1930
1931         /* tracking step changes of track height */
1932
1933         TimeAxisView* current_stepping_trackview;
1934         ARDOUR::microseconds_t last_track_height_step_timestamp;
1935         gint track_height_step_timeout();
1936         sigc::connection step_timeout;
1937
1938         TimeAxisView* entered_track;
1939         RegionView*   entered_regionview;
1940
1941
1942         void ensure_entered_track_selected (bool op_acts_on_objects = false);
1943         bool clear_entered_track;
1944         bool left_track_canvas (GdkEventCrossing*);
1945         bool entered_track_canvas (GdkEventCrossing*);
1946         void set_entered_track (TimeAxisView*);
1947         void set_entered_regionview (RegionView*);
1948         void ensure_track_visible (TimeAxisView*);
1949         gint left_automation_track ();
1950
1951         bool _new_regionviews_show_envelope;
1952
1953         void reset_canvas_action_sensitivity (bool);
1954         void toggle_gain_envelope_visibility ();
1955         void toggle_gain_envelope_active ();
1956         void reset_region_gain_envelopes ();
1957
1958         bool on_key_press_event (GdkEventKey*);
1959         bool on_key_release_event (GdkEventKey*);
1960
1961         void session_state_saved (std::string);
1962
1963         Glib::RefPtr<Gtk::Action>              undo_action;
1964         Glib::RefPtr<Gtk::Action>              redo_action;
1965
1966         void history_changed ();
1967
1968         Gtk::HBox      status_bar_hpacker;
1969
1970         Editing::EditPoint _edit_point;
1971
1972         Gtk::ComboBoxText edit_point_selector;
1973
1974         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
1975         void cycle_edit_point (bool with_marker);
1976         void set_edit_point ();
1977         void edit_point_selection_done ();
1978         void edit_point_chosen (Editing::EditPoint);
1979         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
1980         std::vector<std::string> edit_point_strings;
1981
1982         void selected_marker_moved (ARDOUR::Location*);
1983         sigc::connection edit_point_clock_connection_a;
1984         sigc::connection edit_point_clock_connection_b;
1985
1986         bool get_edit_op_range (nframes64_t& start, nframes64_t& end) const;
1987
1988         void get_regions_at (RegionSelection&, nframes64_t where, const TrackSelection& ts) const;
1989         void get_regions_after (RegionSelection&, nframes64_t where, const TrackSelection& ts) const;
1990
1991         void get_regions_for_action (RegionSelection&, bool allow_entered = false, bool allow_edit_position = true);
1992
1993         sigc::connection fast_screen_update_connection;
1994         gint start_updating ();
1995         gint stop_updating ();
1996         void fast_update_strips ();
1997         bool meters_running;
1998
1999         void select_next_route ();
2000         void select_prev_route ();
2001
2002         void snap_to_internal (nframes64_t& first, int32_t direction = 0, bool for_mark = false);
2003         void timecode_snap_to_internal (nframes64_t& first, int32_t direction = 0, bool for_mark = false);
2004
2005         RhythmFerret* rhythm_ferret;
2006         BundleManager* _bundle_manager;
2007         GlobalPortMatrixWindow* _global_port_matrix[ARDOUR::DataType::num_types];
2008
2009         void fit_tracks (TrackSelection &);
2010         void fit_selected_tracks ();
2011         void set_track_height (uint32_t h);
2012
2013         void remove_tracks ();
2014         void toggle_tracks_active ();
2015
2016         bool _have_idled;
2017         int resize_idle_id;
2018         bool idle_resize();
2019         friend gboolean _idle_resize (gpointer);
2020         int32_t _pending_resize_amount;
2021         TimeAxisView* _pending_resize_view;
2022
2023         void visible_order_range (int*, int*) const;
2024
2025         void located ();
2026         bool _pending_locate_request;
2027
2028         EditorSummary* _summary;
2029         void region_view_added (RegionView *);
2030
2031         void update_canvas_now ();
2032         void streamview_height_changed ();
2033
2034         EditorGroupTabs* _group_tabs;
2035         void fit_route_group (ARDOUR::RouteGroup *);
2036
2037         void start_step_editing ();
2038         void stop_step_editing ();
2039         bool check_step_edit ();
2040         sigc::connection step_edit_connection;
2041
2042         friend class Drag;
2043         friend class RegionDrag;
2044         friend class RegionMoveDrag;
2045         friend class RegionSpliceDrag;
2046         friend class TrimDrag;
2047         friend class MeterMarkerDrag;
2048         friend class TempoMarkerDrag;
2049         friend class CursorDrag;
2050         friend class FadeInDrag;
2051         friend class FadeOutDrag;
2052         friend class MarkerDrag;
2053         friend class RegionGainDrag;
2054         friend class ControlPointDrag;
2055         friend class LineDrag;
2056         friend class RubberbandSelectDrag;
2057         friend class TimeFXDrag;
2058         friend class ScrubDrag;
2059         friend class SelectionDrag;
2060         friend class RangeMarkerBarDrag;
2061         friend class MouseZoomDrag;
2062         friend class RegionCreateDrag;
2063         friend class RegionMotionDrag;
2064         friend class RegionInsertDrag;
2065
2066         friend class EditorSummary;
2067         friend class EditorGroupTabs;
2068
2069         friend class EditorRoutes;
2070 };
2071
2072 #endif /* __ardour_editor_h__ */