remove track-selection requirement so fit_selected_tracks works as coded. change...
[ardour.git] / gtk2_ardour / editor.h
1 /*
2     Copyright (C) 2000-2003 Paul Davis
3
4     This program is free software; you can redistribute it and/or modify
5     it under the terms of the GNU General Public License as published by
6     the Free Software Foundation; either version 2 of the License, or
7     (at your option) any later version.
8
9     This program is distributed in the hope that it will be useful,
10     but WITHOUT ANY WARRANTY; without even the implied warranty of
11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12     GNU General Public License for more details.
13
14     You should have received a copy of the GNU General Public License
15     along with this program; if not, write to the Free Software
16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 */
19
20 #ifndef __ardour_editor_h__
21 #define __ardour_editor_h__
22
23 #include <sys/time.h>
24
25 #include <cmath>
26 #include <list>
27 #include <map>
28 #include <set>
29 #include <string>
30 #include <vector>
31
32 #include <boost/optional.hpp>
33
34 #include <gtkmm/comboboxtext.h>
35 #include <gtkmm/layout.h>
36
37 #include "gtkmm2ext/selector.h"
38 #include "gtkmm2ext/click_box.h"
39 #include "gtkmm2ext/dndtreeview.h"
40 #include "gtkmm2ext/stateful_button.h"
41 #include "gtkmm2ext/bindings.h"
42
43 #include "pbd/stateful.h"
44 #include "pbd/signals.h"
45
46 #include "ardour/import_status.h"
47 #include "ardour/tempo.h"
48 #include "ardour/location.h"
49 #include "ardour/types.h"
50
51 #include "canvas/fwd.h"
52 #include "canvas/ruler.h"
53
54 #include "ardour_button.h"
55 #include "ardour_dialog.h"
56 #include "ardour_dropdown.h"
57 #include "public_editor.h"
58 #include "editing.h"
59 #include "enums.h"
60 #include "editor_items.h"
61 #include "region_selection.h"
62 #include "selection_memento.h"
63
64 namespace Gtkmm2ext {
65         class TearOff;
66         class Bindings;
67 }
68
69 namespace ARDOUR {
70         class RouteGroup;
71         class Playlist;
72         class AudioPlaylist;
73         class AudioRegion;
74         class Region;
75         class Location;
76         class TempoSection;
77         class Session;
78         class Filter;
79         class ChanCount;
80         class MidiOperator;
81         class Track;
82         class MidiTrack;
83         class AudioTrack;
84 }
85
86 namespace LADSPA {
87         class Plugin;
88 }
89
90 class AnalysisWindow;
91 class AudioClock;
92 class AudioRegionView;
93 class AudioStreamView;
94 class AudioTimeAxisView;
95 class AutomationLine;
96 class AutomationSelection;
97 class AutomationTimeAxisView;
98 class BundleManager;
99 class ButtonJoiner;
100 class ControlPoint;
101 class CursorContext;
102 class DragManager;
103 class EditNoteDialog;
104 class EditorCursor;
105 class EditorGroupTabs;
106 class EditorLocations;
107 class EditorRegions;
108 class EditorRoutes;
109 class EditorRouteGroups;
110 class EditorSnapshots;
111 class EditorSummary;
112 class GroupedButtons;
113 class GUIObjectState;
114 class Marker;
115 class MidiRegionView;
116 class MixerStrip;
117 class MouseCursors;
118 class NoteBase;
119 class PlaylistSelector;
120 class PluginSelector;
121 class ProgressReporter;
122 class RhythmFerret;
123 class RulerDialog;
124 class Selection;
125 class SoundFileOmega;
126 class StreamView;
127 class TempoLines;
128 class TimeAxisView;
129 class TimeFXDialog;
130 class TimeSelection;
131 class RegionLayeringOrderEditor;
132 class VerboseCursor;
133
134 class Editor : public PublicEditor, public PBD::ScopedConnectionList, public ARDOUR::SessionHandlePtr
135 {
136  public:
137         Editor ();
138         ~Editor ();
139
140         void             set_session (ARDOUR::Session *);
141         ARDOUR::Session* session() const { return _session; }
142
143         void             first_idle ();
144         virtual bool     have_idled () const { return _have_idled; }
145
146         framepos_t leftmost_sample() const { return leftmost_frame; }
147
148         framecnt_t current_page_samples() const {
149                 return (framecnt_t) _visible_canvas_width * samples_per_pixel;
150         }
151
152         double visible_canvas_height () const {
153                 return _visible_canvas_height;
154         }
155         double trackviews_height () const;
156
157         void cycle_snap_mode ();
158         void next_snap_choice ();
159         void next_snap_choice_music_only ();
160         void next_snap_choice_music_and_time ();
161         void prev_snap_choice ();
162         void prev_snap_choice_music_only ();
163         void prev_snap_choice_music_and_time ();
164         void set_snap_to (Editing::SnapType);
165         void set_snap_mode (Editing::SnapMode);
166         void set_snap_threshold (double pixel_distance) {snap_threshold = pixel_distance;}
167
168         Editing::SnapMode  snap_mode () const;
169         Editing::SnapType  snap_type () const;
170
171         void undo (uint32_t n = 1);
172         void redo (uint32_t n = 1);
173
174         XMLNode& get_state ();
175         int set_state (const XMLNode&, int version);
176
177         void set_mouse_mode (Editing::MouseMode, bool force=true);
178         void step_mouse_mode (bool next);
179         Editing::MouseMode current_mouse_mode () const { return mouse_mode; }
180         Editing::MidiEditMode current_midi_edit_mode () const;
181         void remove_midi_note (ArdourCanvas::Item *, GdkEvent *);
182
183         bool internal_editing() const;
184
185         void foreach_time_axis_view (sigc::slot<void,TimeAxisView&>);
186         void add_to_idle_resize (TimeAxisView*, int32_t);
187
188         RouteTimeAxisView* get_route_view_by_route_id (const PBD::ID& id) const;
189
190         void consider_auditioning (boost::shared_ptr<ARDOUR::Region>);
191         void hide_a_region (boost::shared_ptr<ARDOUR::Region>);
192         void show_a_region (boost::shared_ptr<ARDOUR::Region>);
193
194 #ifdef USE_RUBBERBAND
195         std::vector<std::string> rb_opt_strings;
196         int rb_current_opt;
197 #endif
198
199         /* things that need to be public to be used in the main menubar */
200
201         void new_region_from_selection ();
202         void separate_regions_between (const TimeSelection&);
203         void separate_region_from_selection ();
204         void separate_under_selected_regions ();
205         void separate_region_from_punch ();
206         void separate_region_from_loop ();
207         void separate_regions_using_location (ARDOUR::Location&);
208         void transition_to_rolling (bool forward);
209
210         /* NOTE: these functions assume that the "pixel" coordinate is
211            in canvas coordinates. These coordinates already take into
212            account any scrolling offsets.
213         */
214
215         framepos_t pixel_to_sample_from_event (double pixel) const {
216
217                 /* pixel can be less than zero when motion events
218                    are processed. since we've already run the world->canvas
219                    affine, that means that the location *really* is "off
220                    to the right" and thus really is "before the start".
221                 */
222
223                 if (pixel >= 0) {
224                         return pixel * samples_per_pixel;
225                 } else {
226                         return 0;
227                 }
228         }
229
230         framepos_t pixel_to_sample (double pixel) const {
231                 return pixel * samples_per_pixel;
232         }
233
234         double sample_to_pixel (framepos_t sample) const {
235                 return sample / samples_per_pixel;
236         }
237
238         double sample_to_pixel_unrounded (framepos_t sample) const {
239                 return sample / (double) samples_per_pixel;
240         }
241
242         /* selection */
243
244         Selection& get_selection() const { return *selection; }
245         bool get_selection_extents ( framepos_t &start, framepos_t &end );  // the time extents of the current selection, whether Range, Region(s), Control Points, or Notes
246         Selection& get_cut_buffer() const { return *cut_buffer; }
247         void track_mixer_selection ();
248
249         bool extend_selection_to_track (TimeAxisView&);
250
251         void play_selection ();
252         framepos_t get_preroll ();
253         void maybe_locate_with_edit_preroll (framepos_t);
254         void play_with_preroll ();
255         void select_all_in_track (Selection::Operation op);
256         void select_all_objects (Selection::Operation op);
257         void invert_selection_in_track ();
258         void invert_selection ();
259         void deselect_all ();
260         long select_range (framepos_t, framepos_t);
261
262         void set_selected_regionview_from_region_list (boost::shared_ptr<ARDOUR::Region> region, Selection::Operation op = Selection::Set);
263
264         /* tempo */
265
266         void set_show_measures (bool yn);
267         bool show_measures () const { return _show_measures; }
268
269         /* analysis window */
270
271         void analyze_region_selection();
272         void analyze_range_selection();
273
274         /* export */
275
276         void export_audio ();
277         void stem_export ();
278         void export_selection ();
279         void export_range ();
280         void export_region ();
281
282         void add_transport_frame (Gtk::Container&);
283         void add_toplevel_menu (Gtk::Container&);
284         Gtk::HBox& get_status_bar_packer()  { return status_bar_hpacker; }
285
286         void               set_zoom_focus (Editing::ZoomFocus);
287         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
288         framecnt_t         get_current_zoom () const { return samples_per_pixel; }
289         void               cycle_zoom_focus ();
290         void temporal_zoom_step (bool coarser);
291         void ensure_time_axis_view_is_visible (TimeAxisView const & tav, bool at_top);
292         void tav_zoom_step (bool coarser);
293         void tav_zoom_smooth (bool coarser, bool force_all);
294
295         /* stuff that AudioTimeAxisView and related classes use */
296
297         PlaylistSelector& playlist_selector() const;
298         void clear_playlist (boost::shared_ptr<ARDOUR::Playlist>);
299
300         void new_playlists (TimeAxisView* v);
301         void copy_playlists (TimeAxisView* v);
302         void clear_playlists (TimeAxisView* v);
303
304         void get_onscreen_tracks (TrackViewList&);
305
306         Width editor_mixer_strip_width;
307         void maybe_add_mixer_strip_width (XMLNode&);
308         void show_editor_mixer (bool yn);
309         void create_editor_mixer ();
310         void show_editor_list (bool yn);
311         void set_selected_mixer_strip (TimeAxisView&);
312         void mixer_strip_width_changed ();
313         void hide_track_in_display (TimeAxisView* tv, bool apply_to_selection = false);
314
315         /* nudge is initiated by transport controls owned by ARDOUR_UI */
316
317         framecnt_t get_nudge_distance (framepos_t pos, framecnt_t& next);
318         framecnt_t get_paste_offset (framepos_t pos, unsigned paste_count, framecnt_t duration);
319         unsigned get_grid_beat_divisions(framepos_t position);
320         Evoral::Beats get_grid_type_as_beats (bool& success, framepos_t position);
321
322         void nudge_forward (bool next, bool force_playhead);
323         void nudge_backward (bool next, bool force_playhead);
324
325         /* nudge initiated from context menu */
326
327         void nudge_forward_capture_offset ();
328         void nudge_backward_capture_offset ();
329
330         void sequence_regions ();
331
332         /* playhead/screen stuff */
333
334         void set_stationary_playhead (bool yn);
335         void toggle_stationary_playhead ();
336         bool stationary_playhead() const { return _stationary_playhead; }
337
338         void set_follow_playhead (bool yn, bool catch_up = true);
339         void toggle_follow_playhead ();
340         bool follow_playhead() const { return _follow_playhead; }
341         bool dragging_playhead () const { return _dragging_playhead; }
342
343         void toggle_zero_line_visibility ();
344         void set_summary ();
345         void set_group_tabs ();
346         void toggle_measure_visibility ();
347         void toggle_logo_visibility ();
348
349         /* fades */
350
351         void toggle_region_fades (int dir);
352         void update_region_fade_visibility ();
353
354         /* redirect shared ops menu. caller must free returned menu */
355
356         Gtk::Menu* redirect_menu ();
357
358         /* floating windows/transient */
359
360         void ensure_float (Gtk::Window&);
361
362         void show_window ();
363
364         void scroll_tracks_down_line ();
365         void scroll_tracks_up_line ();
366         bool scroll_up_one_track ();
367         bool scroll_down_one_track ();
368
369         void prepare_for_cleanup ();
370         void finish_cleanup ();
371
372         void maximise_editing_space();
373         void restore_editing_space();
374
375         void update_tearoff_visibility();
376         void reattach_all_tearoffs ();
377
378         double get_y_origin () const;
379         void reset_x_origin (framepos_t);
380         void reset_x_origin_to_follow_playhead ();
381         void reset_y_origin (double);
382         void reset_zoom (framecnt_t);
383         void reposition_and_zoom (framepos_t, double);
384
385         framepos_t get_preferred_edit_position (bool ignore_playhead = false,
386                                                 bool use_context_click = false,
387                                                 bool from_outside_canvas = false);
388
389         bool update_mouse_speed ();
390         bool decelerate_mouse_speed ();
391
392         void toggle_meter_updating();
393
394         void show_rhythm_ferret();
395
396         void goto_visual_state (uint32_t);
397         void save_visual_state (uint32_t);
398
399         void queue_draw_resize_line (int at);
400         void start_resize_line_ops ();
401         void end_resize_line_ops ();
402
403         TrackViewList const & get_track_views () {
404                 return track_views;
405         }
406
407         int get_regionview_count_from_region_list (boost::shared_ptr<ARDOUR::Region>);
408
409         void do_import (std::vector<std::string>              paths,
410                         Editing::ImportDisposition            disposition,
411                         Editing::ImportMode                   mode,
412                         ARDOUR::SrcQuality                    quality,
413                         framepos_t&                           pos,
414                         boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
415
416         void do_embed (std::vector<std::string>              paths,
417                        Editing::ImportDisposition            disposition,
418                        Editing::ImportMode                   mode,
419                        framepos_t&                           pos,
420                        boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
421
422         void get_regions_corresponding_to (boost::shared_ptr<ARDOUR::Region> region, std::vector<RegionView*>& regions, bool src_comparison);
423
424         void get_regionviews_by_id (PBD::ID const id, RegionSelection & regions) const;
425         void get_per_region_note_selection (std::list<std::pair<PBD::ID, std::set<boost::shared_ptr<Evoral::Note<Evoral::Beats> > > > >&) const;
426
427         void center_screen (framepos_t);
428
429         TrackViewList axis_views_from_routes (boost::shared_ptr<ARDOUR::RouteList>) const;
430
431         Gtkmm2ext::TearOff* mouse_mode_tearoff () const { return _mouse_mode_tearoff; }
432         Gtkmm2ext::TearOff* tools_tearoff () const { return _tools_tearoff; }
433
434         void snap_to (framepos_t&       first,
435                       ARDOUR::RoundMode direction = ARDOUR::RoundNearest,
436                       bool              for_mark  = false);
437
438         void snap_to_with_modifier (framepos_t&       first,
439                                     GdkEvent const *  ev,
440                                     ARDOUR::RoundMode direction = ARDOUR::RoundNearest,
441                                     bool              for_mark  = false);
442
443         void snap_to (framepos_t&       first,
444                       framepos_t&       last,
445                       ARDOUR::RoundMode direction = ARDOUR::RoundNearest,
446                       bool              for_mark  = false);
447
448         void begin_selection_op_history ();
449         void begin_reversible_selection_op (std::string cmd_name);
450         void commit_reversible_selection_op ();
451         void undo_selection_op ();
452         void redo_selection_op ();
453         void begin_reversible_command (std::string cmd_name);
454         void begin_reversible_command (GQuark);
455         void commit_reversible_command ();
456
457         DragManager* drags () const {
458                 return _drags;
459         }
460
461         void maybe_autoscroll (bool, bool, bool);
462         bool autoscroll_active() const;
463
464         Gdk::Cursor* get_canvas_cursor () const;
465
466         void set_current_trimmable (boost::shared_ptr<ARDOUR::Trimmable>);
467         void set_current_movable (boost::shared_ptr<ARDOUR::Movable>);
468
469         MouseCursors const * cursors () const {
470                 return _cursors;
471         }
472
473         VerboseCursor* verbose_cursor () const {
474                 return _verbose_cursor;
475         }
476
477         double clamp_verbose_cursor_x (double);
478         double clamp_verbose_cursor_y (double);
479
480         void get_pointer_position (double &, double &) const;
481
482         /** Context for mouse entry (stored in a stack). */
483         struct EnterContext {
484                 ItemType                         item_type;
485                 boost::shared_ptr<CursorContext> cursor_ctx;
486         };
487
488         /** Get the topmost enter context for the given item type.
489          *
490          * This is used to change the cursor associated with a given enter context,
491          * which may not be on the top of the stack.
492          */
493         EnterContext* get_enter_context(ItemType type);
494
495         TimeAxisView* stepping_axis_view () {
496                 return _stepping_axis_view;
497         }
498         
499         void set_stepping_axis_view (TimeAxisView* v) {
500                 _stepping_axis_view = v;
501         }
502
503         ArdourCanvas::Container* get_trackview_group () const { return _trackview_group; }
504         ArdourCanvas::Container* get_noscroll_group () const { return no_scroll_group; }
505         ArdourCanvas::ScrollGroup* get_hscroll_group () const { return h_scroll_group; }
506         ArdourCanvas::ScrollGroup* get_vscroll_group () const { return v_scroll_group; }
507         ArdourCanvas::ScrollGroup* get_hvscroll_group () const { return hv_scroll_group; }
508
509         ArdourCanvas::GtkCanvasViewport* get_track_canvas () const;
510
511         void override_visible_track_count ();
512
513         /* Ruler metrics methods */
514
515         void metric_get_timecode (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
516         void metric_get_bbt (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
517         void metric_get_samples (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
518         void metric_get_minsec (std::vector<ArdourCanvas::Ruler::Mark>&, gdouble, gdouble, gint);
519
520         /* editing operations that need to be public */
521         void mouse_add_new_marker (framepos_t where, bool is_cd=false, bool is_xrun=false);
522         void split_regions_at (framepos_t, RegionSelection&);
523         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret, bool select_new = false);
524         RegionSelection get_regions_from_selection_and_mouse (framepos_t);
525         
526   protected:
527         void map_transport_state ();
528         void map_position_change (framepos_t);
529
530         void on_realize();
531
532         void suspend_route_redisplay ();
533         void resume_route_redisplay ();
534
535   private:
536
537         void color_handler ();
538
539         bool                 constructed;
540
541         // to keep track of the playhead position for control_scroll
542         boost::optional<framepos_t> _control_scroll_target;
543
544         PlaylistSelector* _playlist_selector;
545
546         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
547
548         struct VisualState {
549             VisualState (bool with_tracks);
550             ~VisualState ();
551             double              y_position;
552             framecnt_t          samples_per_pixel;
553             framepos_t          leftmost_frame;
554             Editing::ZoomFocus  zoom_focus;
555             GUIObjectState*     gui_state;
556         };
557
558         std::list<VisualState*> undo_visual_stack;
559         std::list<VisualState*> redo_visual_stack;
560         VisualState* current_visual_state (bool with_tracks = true);
561         void undo_visual_state ();
562         void redo_visual_state ();
563         void use_visual_state (VisualState&);
564         bool no_save_visual;
565         void swap_visual_state ();
566
567         std::vector<VisualState*> visual_states;
568         void start_visual_state_op (uint32_t n);
569         void cancel_visual_state_op (uint32_t n);
570
571         framepos_t         leftmost_frame;
572         framecnt_t         samples_per_pixel;
573         Editing::ZoomFocus zoom_focus;
574
575         void set_samples_per_pixel (framecnt_t);
576
577         Editing::MouseMode mouse_mode;
578         Editing::SnapType  pre_internal_snap_type;
579         Editing::SnapMode  pre_internal_snap_mode;
580         Editing::SnapType  internal_snap_type;
581         Editing::SnapMode  internal_snap_mode;
582         Editing::MouseMode effective_mouse_mode () const;
583
584         enum JoinObjectRangeState {
585                 JOIN_OBJECT_RANGE_NONE,
586                 /** `join object/range' mode is active and the mouse is over a place where object mode should happen */
587                 JOIN_OBJECT_RANGE_OBJECT,
588                 /** `join object/range' mode is active and the mouse is over a place where range mode should happen */
589                 JOIN_OBJECT_RANGE_RANGE
590         };
591
592         JoinObjectRangeState _join_object_range_state;
593
594         void update_join_object_range_location (double);
595
596         boost::optional<int>  pre_notebook_shrink_pane_width;
597
598         void pane_allocation_handler (Gtk::Allocation&, Gtk::Paned*);
599
600         Gtk::Notebook _the_notebook;
601         bool _notebook_shrunk;
602         void add_notebook_page (std::string const &, Gtk::Widget &);
603         bool notebook_tab_clicked (GdkEventButton *, Gtk::Widget *);
604
605         Gtk::HPaned   edit_pane;
606         Gtk::VPaned   editor_summary_pane;
607
608         Gtk::EventBox meter_base;
609         Gtk::HBox     meter_box;
610         Gtk::EventBox marker_base;
611         Gtk::HBox     marker_box;
612         Gtk::VBox     scrollers_rulers_markers_box;
613
614         void location_changed (ARDOUR::Location *);
615         void location_flags_changed (ARDOUR::Location *);
616         void refresh_location_display ();
617         void refresh_location_display_internal (const ARDOUR::Locations::LocationList&);
618         void add_new_location (ARDOUR::Location *);
619         ArdourCanvas::Container* add_new_location_internal (ARDOUR::Location *);
620         void location_gone (ARDOUR::Location *);
621         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
622         gint really_remove_marker (ARDOUR::Location* loc);
623         void goto_nth_marker (int nth);
624         void toggle_marker_lines ();
625         void set_marker_line_visibility (bool);
626
627         uint32_t location_marker_color;
628         uint32_t location_range_color;
629         uint32_t location_loop_color;
630         uint32_t location_punch_color;
631         uint32_t location_cd_marker_color;
632
633         struct LocationMarkers {
634                 Marker* start;
635                 Marker* end;
636                 bool    valid;
637
638                 LocationMarkers () : start(0), end(0), valid (true) {}
639
640                 ~LocationMarkers ();
641
642                 void hide ();
643                 void show ();
644
645                 void set_show_lines (bool);
646                 void set_selected (bool);
647                 void canvas_height_set (double);
648                 void setup_lines ();
649
650                 void set_name (const std::string&);
651                 void set_position (framepos_t start, framepos_t end = 0);
652                 void set_color_rgba (uint32_t);
653         };
654
655         LocationMarkers  *find_location_markers (ARDOUR::Location *) const;
656         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start) const;
657         Marker* find_marker_from_location_id (PBD::ID const &, bool) const;
658         Marker* entered_marker;
659         bool _show_marker_lines;
660
661         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
662         LocationMarkerMap location_markers;
663
664         void update_marker_labels ();
665         void update_marker_labels (ArdourCanvas::Container *);
666         void check_marker_label (Marker *);
667
668         /** A set of lists of Markers that are in each of the canvas groups
669          *  for the marker sections at the top of the editor.  These lists
670          *  are kept sorted in time order between marker movements, so that after
671          *  a marker has moved we can decide whether we need to update the labels
672          *  for all markers or for just a few.
673          */
674         std::map<ArdourCanvas::Container *, std::list<Marker *> > _sorted_marker_lists;
675         void remove_sorted_marker (Marker *);
676
677         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
678         void clear_marker_display ();
679         void mouse_add_new_range (framepos_t);
680         bool choose_new_marker_name(std::string &name);
681         void update_cd_marker_display ();
682         void ensure_cd_marker_updated (LocationMarkers * lam, ARDOUR::Location * location);
683
684         TimeAxisView*      clicked_axisview;
685         RouteTimeAxisView* clicked_routeview;
686         /** The last RegionView that was clicked on, or 0 if the last click was not
687          * on a RegionView.  This is set up by the canvas event handlers in
688          * editor_canvas_events.cc
689          */
690         RegionView*        clicked_regionview;
691         RegionSelection    latest_regionviews;
692         uint32_t           clicked_selection;
693         ControlPoint*      clicked_control_point;
694
695         void sort_track_selection (TrackViewList&);
696
697         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*> &, PBD::PropertyID) const;
698         RegionSelection get_equivalent_regions (RegionSelection &, PBD::PropertyID) const;
699         void mapover_tracks (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
700         void mapover_tracks_with_unique_playlists (sigc::slot<void,RouteTimeAxisView&,uint32_t> sl, TimeAxisView*, PBD::PropertyID) const;
701
702         /* functions to be passed to mapover_tracks(), possibly with sigc::bind()-supplied arguments */
703         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView *, std::vector<RegionView*>*) const;
704         void mapped_use_new_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
705         void mapped_use_copy_playlist (RouteTimeAxisView&, uint32_t, std::vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
706         void mapped_clear_playlist (RouteTimeAxisView&, uint32_t);
707         
708         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
709         bool button_release_can_deselect;
710         bool _mouse_changed_selection;
711
712         void catch_vanishing_regionview (RegionView *);
713
714         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
715         void select_all_tracks ();
716         bool select_all_internal_edit (Selection::Operation);
717
718         bool set_selected_control_point_from_click (bool press, Selection::Operation op = Selection::Set);
719         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
720         void set_selected_track_as_side_effect (Selection::Operation op);
721         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set);
722
723         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
724         void collect_new_region_view (RegionView *);
725         void collect_and_select_new_region_view (RegionView *);
726
727         Gtk::Menu track_context_menu;
728         Gtk::Menu track_region_context_menu;
729         Gtk::Menu track_selection_context_menu;
730
731         Gtk::MenuItem* region_edit_menu_split_item;
732         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
733         Gtk::Menu * track_region_edit_playlist_menu;
734         Gtk::Menu * track_edit_playlist_submenu;
735         Gtk::Menu * track_selection_edit_playlist_submenu;
736
737         GdkEvent context_click_event;
738
739         void popup_track_context_menu (int, int, ItemType, bool);
740         Gtk::Menu* build_track_context_menu ();
741         Gtk::Menu* build_track_bus_context_menu ();
742         Gtk::Menu* build_track_region_context_menu ();
743         Gtk::Menu* build_track_selection_context_menu ();
744         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
745         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
746         void add_region_context_items (Gtk::Menu_Helpers::MenuList&, boost::shared_ptr<ARDOUR::Track>);
747         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
748         Gtk::MenuItem* _popup_region_menu_item;
749
750         void popup_control_point_context_menu (ArdourCanvas::Item *, GdkEvent *);
751         Gtk::Menu _control_point_context_menu;
752
753         void popup_note_context_menu (ArdourCanvas::Item *, GdkEvent *);
754         Gtk::Menu _note_context_menu;
755
756         void add_routes (ARDOUR::RouteList&);
757         void timeaxisview_deleted (TimeAxisView *);
758
759         Gtk::HBox           global_hpacker;
760         Gtk::VBox           global_vpacker;
761         Gtk::VBox           vpacker;
762
763         /* Cursor stuff.  Do not use directly, use via CursorContext. */
764         friend class CursorContext;
765         std::vector<Gdk::Cursor*> _cursor_stack;
766         void set_canvas_cursor (Gdk::Cursor*);
767         size_t push_canvas_cursor (Gdk::Cursor*);
768         void pop_canvas_cursor ();
769
770         Gdk::Cursor* which_grabber_cursor () const;
771         Gdk::Cursor* which_track_cursor () const;
772         Gdk::Cursor* which_mode_cursor () const;
773         Gdk::Cursor* which_trim_cursor (bool left_side) const;
774         Gdk::Cursor* which_canvas_cursor (ItemType type) const;
775
776         /** Push the appropriate enter/cursor context on item entry. */
777         void choose_canvas_cursor_on_entry (ItemType);
778
779         /** Update all enter cursors based on current settings. */
780         void update_all_enter_cursors ();
781
782         ArdourCanvas::GtkCanvas* _track_canvas;
783         ArdourCanvas::GtkCanvasViewport* _track_canvas_viewport;
784
785         bool within_track_canvas;
786
787         friend class VerboseCursor;
788         VerboseCursor* _verbose_cursor;
789
790         void parameter_changed (std::string);
791         void ui_parameter_changed (std::string);
792
793         Gtk::EventBox             time_bars_event_box;
794         Gtk::VBox                 time_bars_vbox;
795
796         ArdourCanvas::Pixbuf     *logo_item;
797 #if 0    
798     /* these will be needed when we have canvas rulers */
799         ArdourCanvas::Container      *minsec_group;
800         ArdourCanvas::Container      *bbt_group;
801         ArdourCanvas::Container      *timecode_group;
802         ArdourCanvas::Container      *frame_group;
803 #endif
804
805         ArdourCanvas::Container      *tempo_group;
806         ArdourCanvas::Container      *meter_group;
807         ArdourCanvas::Container      *marker_group;
808         ArdourCanvas::Container      *range_marker_group;
809         ArdourCanvas::Container      *transport_marker_group;
810         ArdourCanvas::Container*      cd_marker_group;
811
812         /* parent for groups which themselves contain time markers */
813         ArdourCanvas::Container*     _time_markers_group;
814
815         /* The group containing all other groups that are scrolled vertically
816            and horizontally.
817         */
818         ArdourCanvas::ScrollGroup* hv_scroll_group;
819
820         /* The group containing all other groups that are scrolled vertically ONLY
821         */
822         ArdourCanvas::ScrollGroup* v_scroll_group;
823
824         /* The group containing all other groups that are scrolled horizontally ONLY
825         */
826         ArdourCanvas::ScrollGroup* h_scroll_group;
827
828         /* The group containing all trackviews. */
829         ArdourCanvas::Container* no_scroll_group;
830
831         /* The group containing all trackviews. */
832         ArdourCanvas::Container* _trackview_group;
833
834         /* The group holding things (mostly regions) while dragging so they
835          * are on top of everything else
836          */
837         ArdourCanvas::Container* _drag_motion_group;
838
839         /* a rect that sits at the bottom of all tracks to act as a drag-no-drop/clickable
840          * target area.
841          */
842         ArdourCanvas::Rectangle* _canvas_drop_zone;
843         bool canvas_drop_zone_event (GdkEvent* event);
844
845         enum RulerType {
846                 ruler_metric_timecode = 0,
847                 ruler_metric_bbt = 1,
848                 ruler_metric_samples = 2,
849                 ruler_metric_minsec = 3,
850
851                 ruler_time_tempo = 4,
852                 ruler_time_meter = 5,
853                 ruler_time_marker = 6,
854                 ruler_time_range_marker = 7,
855                 ruler_time_transport_marker = 8,
856                 ruler_time_cd_marker = 9,
857                 ruler_video_timeline = 10,
858         };
859
860         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
861         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
862         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
863         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
864         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
865         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
866         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
867         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
868         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
869         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
870         bool                            no_ruler_shown_update;
871
872         Gtk::Widget * ruler_grabbed_widget;
873
874         RulerDialog* ruler_dialog;
875
876         void initialize_rulers ();
877         void update_just_timecode ();
878         void compute_fixed_ruler_scale (); //calculates the RulerScale of the fixed rulers
879         void update_fixed_rulers ();
880         void update_tempo_based_rulers (ARDOUR::TempoMap::BBTPointList::const_iterator& begin,
881                                         ARDOUR::TempoMap::BBTPointList::const_iterator& end);
882         void popup_ruler_menu (framepos_t where = 0, ItemType type = RegionItem);
883         void update_ruler_visibility ();
884         void set_ruler_visible (RulerType, bool);
885         void toggle_ruler_visibility (RulerType rt);
886         void ruler_toggled (int);
887         bool ruler_label_button_release (GdkEventButton*);
888         void store_ruler_visibility ();
889         void restore_ruler_visibility ();
890
891
892
893                 enum MinsecRulerScale {
894                 minsec_show_msecs,
895                 minsec_show_seconds,
896                 minsec_show_minutes,
897                 minsec_show_hours,
898                 minsec_show_many_hours
899         };
900
901         MinsecRulerScale minsec_ruler_scale;
902
903         framecnt_t minsec_mark_interval;
904         gint minsec_mark_modulo;
905         gint minsec_nmarks;
906         void set_minsec_ruler_scale (framepos_t, framepos_t);
907
908         enum TimecodeRulerScale {
909                 timecode_show_bits,
910                 timecode_show_frames,
911                 timecode_show_seconds,
912                 timecode_show_minutes,
913                 timecode_show_hours,
914                 timecode_show_many_hours
915         };
916
917         TimecodeRulerScale timecode_ruler_scale;
918
919         gint timecode_mark_modulo;
920         gint timecode_nmarks;
921         void set_timecode_ruler_scale (framepos_t, framepos_t);
922
923         framecnt_t _samples_ruler_interval;
924         void set_samples_ruler_scale (framepos_t, framepos_t);
925
926         enum BBTRulerScale {
927                 bbt_show_many,
928                 bbt_show_64,
929                 bbt_show_16,
930                 bbt_show_4,
931                 bbt_show_1,
932                 bbt_show_beats,
933                 bbt_show_ticks,
934                 bbt_show_ticks_detail,
935                 bbt_show_ticks_super_detail
936         };
937
938         BBTRulerScale bbt_ruler_scale;
939
940         uint32_t bbt_bars;
941         gint bbt_nmarks;
942         uint32_t bbt_bar_helper_on;
943         uint32_t bbt_accent_modulo;
944         void compute_bbt_ruler_scale (framepos_t lower, framepos_t upper,
945                                       ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_begin,
946                                       ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_end);
947
948         ArdourCanvas::Ruler* timecode_ruler;
949         ArdourCanvas::Ruler* bbt_ruler;
950         ArdourCanvas::Ruler* samples_ruler;
951         ArdourCanvas::Ruler* minsec_ruler;
952
953         static double timebar_height;
954         guint32 visible_timebars;
955         Gtk::Menu          *editor_ruler_menu;
956
957         ArdourCanvas::Rectangle* tempo_bar;
958         ArdourCanvas::Rectangle* meter_bar;
959         ArdourCanvas::Rectangle* marker_bar;
960         ArdourCanvas::Rectangle* range_marker_bar;
961         ArdourCanvas::Rectangle* transport_marker_bar;
962         ArdourCanvas::Rectangle* cd_marker_bar;
963
964         Gtk::Label  minsec_label;
965         Gtk::Label  bbt_label;
966         Gtk::Label  timecode_label;
967         Gtk::Label  samples_label;
968         Gtk::Label  tempo_label;
969         Gtk::Label  meter_label;
970         Gtk::Label  mark_label;
971         Gtk::Label  range_mark_label;
972         Gtk::Label  transport_mark_label;
973         Gtk::Label  cd_mark_label;
974
975         /* videtimline related actions */
976         Gtk::Label                videotl_label;
977         ArdourCanvas::Container*      videotl_group;
978         Glib::RefPtr<Gtk::ToggleAction> ruler_video_action;
979         Glib::RefPtr<Gtk::ToggleAction> xjadeo_proc_action;
980         Glib::RefPtr<Gtk::ToggleAction> xjadeo_ontop_action;
981         Glib::RefPtr<Gtk::ToggleAction> xjadeo_timecode_action;
982         Glib::RefPtr<Gtk::ToggleAction> xjadeo_frame_action;
983         Glib::RefPtr<Gtk::ToggleAction> xjadeo_osdbg_action;
984         Glib::RefPtr<Gtk::ToggleAction> xjadeo_fullscreen_action;
985         Glib::RefPtr<Gtk::ToggleAction> xjadeo_letterbox_action;
986         Glib::RefPtr<Gtk::Action> xjadeo_zoom_100;
987         void set_xjadeo_proc ();
988         void toggle_xjadeo_proc (int state=-1);
989         void set_close_video_sensitive (bool onoff);
990         void set_xjadeo_sensitive (bool onoff);
991         void set_xjadeo_viewoption (int);
992         void toggle_xjadeo_viewoption (int what, int state=-1);
993         void toggle_ruler_video (bool onoff) {ruler_video_action->set_active(onoff);}
994         int videotl_bar_height; /* in units of timebar_height; default: 4 */
995         int get_videotl_bar_height () const { return videotl_bar_height; }
996         void export_video (bool range = false);
997         void toggle_region_video_lock ();
998
999         friend class EditorCursor;
1000
1001         EditorCursor*        playhead_cursor;
1002
1003         framepos_t get_region_boundary (framepos_t pos, int32_t dir, bool with_selection, bool only_onscreen);
1004
1005         void    cursor_to_region_boundary (bool with_selection, int32_t dir);
1006         void    cursor_to_next_region_boundary (bool with_selection);
1007         void    cursor_to_previous_region_boundary (bool with_selection);
1008         void    cursor_to_next_region_point (EditorCursor*, ARDOUR::RegionPoint);
1009         void    cursor_to_previous_region_point (EditorCursor*, ARDOUR::RegionPoint);
1010         void    cursor_to_region_point (EditorCursor*, ARDOUR::RegionPoint, int32_t dir);
1011         void    cursor_to_selection_start (EditorCursor *);
1012         void    cursor_to_selection_end   (EditorCursor *);
1013
1014         void    selected_marker_to_region_boundary (bool with_selection, int32_t dir);
1015         void    selected_marker_to_next_region_boundary (bool with_selection);
1016         void    selected_marker_to_previous_region_boundary (bool with_selection);
1017         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
1018         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
1019         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
1020         void    selected_marker_to_selection_start ();
1021         void    selected_marker_to_selection_end   ();
1022
1023         void    select_all_selectables_using_cursor (EditorCursor *, bool);
1024         void    select_all_selectables_using_edit (bool);
1025         void    select_all_selectables_between (bool within);
1026         void    select_range_between ();
1027
1028         boost::shared_ptr<ARDOUR::Region> find_next_region (ARDOUR::framepos_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
1029         ARDOUR::framepos_t find_next_region_boundary (ARDOUR::framepos_t, int32_t dir, const TrackViewList&);
1030
1031         std::vector<ARDOUR::framepos_t> region_boundary_cache;
1032         void build_region_boundary_cache ();
1033
1034         Gtk::HBox           toplevel_hpacker;
1035
1036         Gtk::HBox           top_hbox;
1037         Gtk::HBox           bottom_hbox;
1038
1039         Gtk::Table          edit_packer;
1040
1041         /** the adjustment that controls the overall editor vertical scroll position */
1042         Gtk::Adjustment     vertical_adjustment;
1043         Gtk::Adjustment     horizontal_adjustment;
1044
1045         Gtk::Adjustment     unused_adjustment; // yes, really; Gtk::Layout constructor requires refs
1046         Gtk::Layout         controls_layout;
1047         bool control_layout_scroll (GdkEventScroll* ev);
1048         void reset_controls_layout_width ();
1049         void reset_controls_layout_height (int32_t height);
1050
1051         enum Direction {
1052                 LEFT,
1053                 RIGHT,
1054                 UP,
1055                 DOWN
1056         };
1057
1058         bool scroll_press (Direction);
1059         void scroll_release ();
1060         sigc::connection _scroll_connection;
1061         int _scroll_callbacks;
1062
1063         double _visible_canvas_width;
1064         double _visible_canvas_height; ///< height of the visible area of the track canvas
1065         double _full_canvas_height;    ///< full height of the canvas
1066
1067         bool track_canvas_map_handler (GdkEventAny*);
1068
1069         bool edit_controls_button_release (GdkEventButton*);
1070         Gtk::Menu *edit_controls_left_menu;
1071         Gtk::Menu *edit_controls_right_menu;
1072
1073         Gtk::VBox           track_canvas_vbox;
1074         Gtk::VBox           edit_controls_vbox;
1075         Gtk::HBox           edit_controls_hbox;
1076
1077         void control_vertical_zoom_in_all ();
1078         void control_vertical_zoom_out_all ();
1079         void control_vertical_zoom_in_selected ();
1080         void control_vertical_zoom_out_selected ();
1081         void control_step_tracks_up ();
1082         void control_step_tracks_down ();
1083         void control_view (uint32_t);
1084         void control_scroll (float);
1085         void control_select (uint32_t rid, Selection::Operation);
1086         void control_unselect ();
1087         void access_action (std::string,std::string);
1088         bool deferred_control_scroll (framepos_t);
1089         sigc::connection control_scroll_connection;
1090
1091         void tie_vertical_scrolling ();
1092         void set_horizontal_position (double);
1093         double horizontal_position () const;
1094
1095         struct VisualChange {
1096                 enum Type {
1097                         TimeOrigin = 0x1,
1098                         ZoomLevel = 0x2,
1099                         YOrigin = 0x4
1100                 };
1101
1102                 Type       pending;
1103                 framepos_t time_origin;
1104                 framecnt_t samples_per_pixel;
1105                 double     y_origin;
1106
1107                 int idle_handler_id;
1108                 /** true if we are currently in the idle handler */
1109                 bool being_handled;
1110
1111                 VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), samples_per_pixel (0), idle_handler_id (-1), being_handled (false) {}
1112                 void add (Type t) {
1113                         pending = Type (pending | t);
1114                 }
1115         };
1116
1117         VisualChange pending_visual_change;
1118
1119         static int _idle_visual_changer (void *arg);
1120         int idle_visual_changer ();
1121         void visual_changer (const VisualChange&);
1122         void ensure_visual_change_idle_handler ();
1123
1124         /* track views */
1125         TrackViewList track_views;
1126         std::pair<TimeAxisView*, double> trackview_by_y_position (double, bool trackview_relative_offset = true) const;
1127         RouteTimeAxisView* axis_view_from_route (boost::shared_ptr<ARDOUR::Route>) const;
1128
1129         TrackViewList get_tracks_for_range_action () const;
1130
1131         sigc::connection super_rapid_screen_update_connection;
1132         framepos_t last_update_frame;
1133         void center_screen_internal (framepos_t, float);
1134
1135         void super_rapid_screen_update ();
1136
1137         void session_going_away ();
1138
1139         framepos_t cut_buffer_start;
1140         framecnt_t cut_buffer_length;
1141
1142         boost::shared_ptr<CursorContext> _press_cursor_ctx;  ///< Button press cursor context
1143
1144         boost::weak_ptr<ARDOUR::Trimmable> _trimmable;
1145         boost::weak_ptr<ARDOUR::Movable> _movable;
1146
1147         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1148         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1149         bool button_press_handler_1 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1150         bool button_press_handler_2 (ArdourCanvas::Item *, GdkEvent *, ItemType);
1151         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1152         bool button_double_click_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1153         bool button_press_dispatch (GdkEventButton*);
1154         bool button_release_dispatch (GdkEventButton*);
1155         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, bool from_autoscroll = false);
1156         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1157         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1158         bool key_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1159         bool key_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1160
1161         Gtkmm2ext::Bindings* button_bindings;
1162         XMLNode* button_settings () const;
1163
1164         /* KEYMAP HANDLING */
1165
1166         void register_actions ();
1167         void register_region_actions ();
1168
1169         void load_bindings ();
1170         Gtkmm2ext::ActionMap editor_action_map;
1171         Gtkmm2ext::Bindings  key_bindings;
1172
1173         /* CUT/COPY/PASTE */
1174
1175         framepos_t last_paste_pos;
1176         unsigned   paste_count;
1177
1178         void cut_copy (Editing::CutCopyOp);
1179         bool can_cut_copy () const;
1180         void cut_copy_points (Editing::CutCopyOp, Evoral::Beats earliest=Evoral::Beats(), bool midi=false);
1181         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1182         void cut_copy_ranges (Editing::CutCopyOp);
1183         void cut_copy_midi (Editing::CutCopyOp);
1184
1185         void mouse_paste ();
1186         void paste_internal (framepos_t position, float times);
1187
1188         /* EDITING OPERATIONS */
1189
1190         void reset_point_selection ();
1191         void toggle_region_lock ();
1192         void toggle_opaque_region ();
1193         void toggle_record_enable ();
1194         void toggle_solo ();
1195         void toggle_solo_isolate ();
1196         void toggle_mute ();
1197         void toggle_region_lock_style ();
1198
1199         enum LayerOperation {
1200                 Raise,
1201                 RaiseToTop,
1202                 Lower,
1203                 LowerToBottom
1204         };
1205
1206         void do_layer_operation (LayerOperation);
1207         void raise_region ();
1208         void raise_region_to_top ();
1209         void change_region_layering_order (bool from_context_menu);
1210         void lower_region ();
1211         void lower_region_to_bottom ();
1212         void split_region_at_transients ();
1213         void crop_region_to_selection ();
1214         void crop_region_to (framepos_t start, framepos_t end);
1215         void set_sync_point (framepos_t, const RegionSelection&);
1216         void set_region_sync_position ();
1217         void remove_region_sync();
1218         void align_regions (ARDOUR::RegionPoint);
1219         void align_regions_relative (ARDOUR::RegionPoint point);
1220         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, framepos_t position);
1221         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, framepos_t position);
1222         void remove_selected_regions ();
1223         void remove_clicked_region ();
1224         void show_region_properties ();
1225         void show_midi_list_editor ();
1226         void rename_region ();
1227         void duplicate_some_regions (RegionSelection&, float times);
1228         void duplicate_selection (float times);
1229         void region_fill_selection ();
1230         void combine_regions ();
1231         void uncombine_regions ();
1232
1233         void region_fill_track ();
1234         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1235         void audition_playlist_region_via_route (boost::shared_ptr<ARDOUR::Region>, ARDOUR::Route&);
1236         void split_multichannel_region();
1237         void reverse_region ();
1238         void strip_region_silence ();
1239         void normalize_region ();
1240         void reset_region_scale_amplitude ();
1241         void adjust_region_gain (bool up);
1242         void quantize_region ();
1243         void quantize_regions (const RegionSelection& rs);
1244         void legatize_region (bool shrink_only);
1245         void legatize_regions (const RegionSelection& rs, bool shrink_only);
1246         void transform_region ();
1247         void transform_regions (const RegionSelection& rs);
1248         void insert_patch_change (bool from_context);
1249         void fork_region ();
1250
1251         void do_insert_time ();
1252         void insert_time (framepos_t, framecnt_t, Editing::InsertTimeOption, bool, bool, bool, bool, bool, bool);
1253
1254         void tab_to_transient (bool forward);
1255
1256         void set_tempo_from_region ();
1257         void use_range_as_bar ();
1258
1259         void define_one_bar (framepos_t start, framepos_t end);
1260
1261         void audition_region_from_region_list ();
1262         void hide_region_from_region_list ();
1263         void show_region_in_region_list ();
1264
1265         void naturalize_region ();
1266
1267         void reset_focus ();
1268
1269         void split_region ();
1270
1271         void delete_ ();
1272         void cut ();
1273         void copy ();
1274         void paste (float times, bool from_context_menu = false);
1275
1276         void place_transient ();
1277         void remove_transient (ArdourCanvas::Item* item);
1278         void snap_regions_to_grid ();
1279         void close_region_gaps ();
1280
1281         void keyboard_paste ();
1282
1283         void region_from_selection ();
1284         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::Region> >&);
1285
1286         void play_from_start ();
1287         void play_from_edit_point ();
1288         void play_from_edit_point_and_return ();
1289         void play_selected_region ();
1290         void play_edit_range ();
1291         void play_location (ARDOUR::Location&);
1292         void loop_location (ARDOUR::Location&);
1293
1294         void calc_extra_zoom_edges(framepos_t &start, framepos_t &end);
1295         void temporal_zoom_selection (bool both_axes = false);
1296         void temporal_zoom_region (bool both_axes);
1297         void temporal_zoom_session ();
1298         void temporal_zoom (framecnt_t samples_per_pixel);
1299         void temporal_zoom_by_frame (framepos_t start, framepos_t end);
1300         void temporal_zoom_to_frame (bool coarser, framepos_t frame);
1301
1302         void insert_region_list_selection (float times);
1303
1304         /* import & embed */
1305
1306         void add_external_audio_action (Editing::ImportMode);
1307         void external_audio_dialog ();
1308         void session_import_dialog ();
1309
1310         int  check_whether_and_how_to_import(std::string, bool all_or_nothing = true);
1311         bool check_multichannel_status (const std::vector<std::string>& paths);
1312
1313         SoundFileOmega* sfbrowser;
1314
1315         void bring_in_external_audio (Editing::ImportMode mode,  framepos_t& pos);
1316
1317         bool  idle_drop_paths  (std::vector<std::string> paths, framepos_t frame, double ypos, bool copy);
1318         void  drop_paths_part_two  (const std::vector<std::string>& paths, framepos_t frame, double ypos, bool copy);
1319
1320         int import_sndfiles (std::vector<std::string>              paths,
1321                              Editing::ImportDisposition            disposition,
1322                              Editing::ImportMode                   mode,
1323                              ARDOUR::SrcQuality                    quality,
1324                              framepos_t&                           pos,
1325                              int                                   target_regions,
1326                              int                                   target_tracks,
1327                              boost::shared_ptr<ARDOUR::Track>&     track,
1328                              bool                                  replace,
1329                              boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1330
1331         int embed_sndfiles (std::vector<std::string>              paths,
1332                             bool                                  multiple_files,
1333                             bool&                                 check_sample_rate,
1334                             Editing::ImportDisposition            disposition,
1335                             Editing::ImportMode                   mode,
1336                             framepos_t&                           pos,
1337                             int                                   target_regions,
1338                             int                                   target_tracks,
1339                             boost::shared_ptr<ARDOUR::Track>&     track,
1340                             boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1341
1342         int add_sources (std::vector<std::string>              paths,
1343                          ARDOUR::SourceList&                   sources,
1344                          framepos_t&                           pos,
1345                          Editing::ImportDisposition            disposition,
1346                          Editing::ImportMode                   mode,
1347                          int                                   target_regions,
1348                          int                                   target_tracks,
1349                          boost::shared_ptr<ARDOUR::Track>&     track,
1350                          bool                                  add_channel_suffix,
1351                          boost::shared_ptr<ARDOUR::PluginInfo> instrument = boost::shared_ptr<ARDOUR::PluginInfo>());
1352
1353         int finish_bringing_in_material (boost::shared_ptr<ARDOUR::Region>     region,
1354                                          uint32_t                              in_chans,
1355                                          uint32_t                              out_chans,
1356                                          framepos_t&                           pos,
1357                                          Editing::ImportMode                   mode,
1358                                          boost::shared_ptr<ARDOUR::Track>&     existing_track,
1359                                          const std::string&                    new_track_name,
1360                                          boost::shared_ptr<ARDOUR::PluginInfo> instrument);
1361
1362         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1363         boost::shared_ptr<ARDOUR::MidiTrack> get_nth_selected_midi_track (int nth) const;
1364
1365         void toggle_midi_input_active (bool flip_others);
1366
1367         ARDOUR::InterThreadInfo* current_interthread_info;
1368
1369         AnalysisWindow* analysis_window;
1370
1371         /* import specific info */
1372
1373         struct EditorImportStatus : public ARDOUR::ImportStatus {
1374             Editing::ImportMode mode;
1375             framepos_t pos;
1376             int target_tracks;
1377             int target_regions;
1378             boost::shared_ptr<ARDOUR::Track> track;
1379             bool replace;
1380         };
1381
1382         EditorImportStatus import_status;
1383         static void *_import_thread (void *);
1384         void* import_thread ();
1385         void finish_import ();
1386
1387         /* to support this ... */
1388
1389         void import_audio (bool as_tracks);
1390         void do_import (std::vector<std::string> paths, bool split, bool as_tracks);
1391
1392         void move_to_start ();
1393         void move_to_end ();
1394         void center_playhead ();
1395         void center_edit_point ();
1396         void playhead_forward_to_grid ();
1397         void playhead_backward_to_grid ();
1398         void scroll_playhead (bool forward);
1399         void scroll_backward (float pages=0.8f);
1400         void scroll_forward (float pages=0.8f);
1401         void scroll_tracks_down ();
1402         void scroll_tracks_up ();
1403         void set_mark ();
1404         void clear_markers ();
1405         void clear_ranges ();
1406         void clear_locations ();
1407         void unhide_markers ();
1408         void unhide_ranges ();
1409         void jump_forward_to_mark ();
1410         void jump_backward_to_mark ();
1411         void cursor_align (bool playhead_to_edit);
1412         void toggle_skip_playback ();
1413
1414         void remove_last_capture ();
1415         void select_all_selectables_using_time_selection ();
1416         void select_all_selectables_using_loop();
1417         void select_all_selectables_using_punch();
1418         void set_selection_from_range (ARDOUR::Location&);
1419         void set_selection_from_punch ();
1420         void set_selection_from_loop ();
1421         void set_selection_from_region ();
1422
1423         void add_location_mark (framepos_t where);
1424         void add_location_from_region ();
1425         void add_locations_from_region ();
1426         void add_location_from_selection ();
1427         void set_loop_from_selection (bool play);
1428         void set_punch_from_selection ();
1429         void set_punch_from_region ();
1430
1431         void set_session_extents_from_selection ();
1432
1433         void set_loop_from_region (bool play);
1434
1435         void set_loop_range (framepos_t start, framepos_t end, std::string cmd);
1436         void set_punch_range (framepos_t start, framepos_t end, std::string cmd);
1437
1438         void add_location_from_playhead_cursor ();
1439         void remove_location_at_playhead_cursor ();
1440         bool select_new_marker;
1441
1442         void reverse_selection ();
1443         void edit_envelope ();
1444
1445         double last_scrub_x;
1446         int scrubbing_direction;
1447         int scrub_reversals;
1448         int scrub_reverse_distance;
1449         void scrub (framepos_t, double);
1450
1451         void keyboard_selection_begin ();
1452         void keyboard_selection_finish (bool add);
1453         bool have_pending_keyboard_selection;
1454         framepos_t pending_keyboard_selection_start;
1455
1456         void move_range_selection_start_or_end_to_region_boundary (bool, bool);
1457
1458         Editing::SnapType _snap_type;
1459         Editing::SnapMode _snap_mode;
1460
1461         /// Snap threshold in pixels
1462         double snap_threshold;
1463
1464         bool ignore_gui_changes;
1465
1466         DragManager* _drags;
1467
1468         void escape ();
1469         void lock ();
1470         void unlock ();
1471         Gtk::Dialog* lock_dialog;
1472
1473         struct timeval last_event_time;
1474         bool generic_event_handler (GdkEvent*);
1475         bool lock_timeout_callback ();
1476         void start_lock_event_timing ();
1477
1478         Gtk::Menu fade_context_menu;
1479
1480         Gtk::Menu xfade_in_context_menu;
1481         Gtk::Menu xfade_out_context_menu;
1482         void popup_xfade_in_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1483         void popup_xfade_out_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1484         void fill_xfade_menu (Gtk::Menu_Helpers::MenuList& items, bool start);
1485
1486         void set_fade_in_shape (ARDOUR::FadeShape);
1487         void set_fade_out_shape (ARDOUR::FadeShape);
1488
1489         void set_fade_length (bool in);
1490         void set_fade_in_active (bool);
1491         void set_fade_out_active (bool);
1492
1493         void fade_range ();
1494
1495         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1496
1497         bool _dragging_playhead;
1498         bool _dragging_edit_point;
1499
1500         void marker_drag_motion_callback (GdkEvent*);
1501         void marker_drag_finished_callback (GdkEvent*);
1502
1503         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1504
1505         void add_region_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1506         void start_create_region_grab (ArdourCanvas::Item*, GdkEvent*);
1507         void add_region_copy_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1508         void add_region_brush_drag (ArdourCanvas::Item*, GdkEvent*, RegionView*);
1509         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1510
1511         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1512
1513         bool can_remove_control_point (ArdourCanvas::Item *);
1514         void remove_control_point (ArdourCanvas::Item *);
1515
1516         void mouse_brush_insert_region (RegionView*, framepos_t pos);
1517
1518         /* Canvas event handlers */
1519
1520         bool canvas_scroll_event (GdkEventScroll* event, bool from_canvas);
1521         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1522         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1523         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1524         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1525         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1526         bool canvas_start_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1527         bool canvas_end_xfade_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1528         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1529         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1530         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1531         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*, bool trim = false);
1532         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1533         bool canvas_wave_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1534         bool canvas_frame_handle_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1535         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1536         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1537         bool canvas_feature_line_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*);
1538         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1539         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*);
1540         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1541         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1542         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*);
1543         bool canvas_note_event (GdkEvent* event, ArdourCanvas::Item *);
1544
1545         bool canvas_ruler_event (GdkEvent* event, ArdourCanvas::Item *, ItemType);
1546         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1547         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1548         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1549         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1550         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1551         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1552
1553         bool canvas_videotl_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1554         void update_video_timeline (bool flush = false);
1555         void set_video_timeline_height (const int);
1556         bool is_video_timeline_locked ();
1557         void toggle_video_timeline_locked ();
1558         void set_video_timeline_locked (const bool);
1559         void queue_visual_videotimeline_update ();
1560         void embed_audio_from_video (std::string, framepos_t n = 0, bool lock_position_to_video = true);
1561
1562         PBD::Signal0<void> EditorFreeze;
1563         PBD::Signal0<void> EditorThaw;
1564
1565   private:
1566         friend class DragManager;
1567         friend class EditorRouteGroups;
1568         friend class EditorRegions;
1569
1570         /* non-public event handlers */
1571
1572         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1573         bool track_canvas_scroll (GdkEventScroll* event);
1574
1575         bool track_canvas_button_press_event (GdkEventButton* event);
1576         bool track_canvas_button_release_event (GdkEventButton* event);
1577         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1578
1579         Gtk::Allocation _canvas_viewport_allocation;
1580         void track_canvas_viewport_allocate (Gtk::Allocation alloc);
1581         void track_canvas_viewport_size_allocated ();
1582         bool track_canvas_drag_motion (Glib::RefPtr<Gdk::DragContext> const &, int, int, guint);
1583         bool track_canvas_key_press (GdkEventKey *);
1584         bool track_canvas_key_release (GdkEventKey *);
1585
1586         void set_playhead_cursor ();
1587
1588         void toggle_region_mute ();
1589
1590         void initialize_canvas ();
1591
1592         /* display control */
1593
1594         bool _show_measures;
1595         /// true if the editor should follow the playhead, otherwise false
1596         bool _follow_playhead;
1597         /// true if we scroll the tracks rather than the playhead
1598         bool _stationary_playhead;
1599         /// true if we are in fullscreen mode
1600         bool _maximised;
1601
1602         TempoLines* tempo_lines;
1603
1604         ArdourCanvas::Container* global_rect_group;
1605         ArdourCanvas::Container* time_line_group;
1606
1607         void hide_measures ();
1608         void draw_measures (ARDOUR::TempoMap::BBTPointList::const_iterator& begin,
1609                             ARDOUR::TempoMap::BBTPointList::const_iterator& end);
1610
1611         void new_tempo_section ();
1612
1613         void mouse_add_new_tempo_event (framepos_t where);
1614         void mouse_add_new_meter_event (framepos_t where);
1615
1616         void remove_tempo_marker (ArdourCanvas::Item*);
1617         void remove_meter_marker (ArdourCanvas::Item*);
1618         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1619         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1620
1621         void edit_tempo_section (ARDOUR::TempoSection*);
1622         void edit_meter_section (ARDOUR::MeterSection*);
1623         void edit_tempo_marker (TempoMarker&);
1624         void edit_meter_marker (MeterMarker&);
1625         void edit_control_point (ArdourCanvas::Item*);
1626         void edit_notes (MidiRegionView*);
1627
1628         void marker_menu_edit ();
1629         void marker_menu_remove ();
1630         void marker_menu_rename ();
1631         void rename_marker (Marker *marker);
1632         void toggle_marker_menu_lock ();
1633         void toggle_marker_menu_glue ();
1634         void marker_menu_hide ();
1635         void marker_menu_loop_range ();
1636         void marker_menu_select_all_selectables_using_range ();
1637         void marker_menu_select_using_range ();
1638         void marker_menu_separate_regions_using_location ();
1639         void marker_menu_play_from ();
1640         void marker_menu_play_range ();
1641         void marker_menu_set_playhead ();
1642         void marker_menu_set_from_playhead ();
1643         void marker_menu_set_from_selection (bool force_regions);
1644         void marker_menu_range_to_next ();
1645         void marker_menu_zoom_to_range ();
1646         void new_transport_marker_menu_set_loop ();
1647         void new_transport_marker_menu_set_punch ();
1648         void update_loop_range_view ();
1649         void update_punch_range_view ();
1650         void new_transport_marker_menu_popdown ();
1651         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1652         void tempo_or_meter_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1653         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1654         void build_range_marker_menu (bool, bool);
1655         void build_marker_menu (ARDOUR::Location *);
1656         void build_tempo_or_meter_marker_menu (bool);
1657         void build_new_transport_marker_menu ();
1658         void dynamic_cast_marker_object (void*, MeterMarker**, TempoMarker**) const;
1659
1660         Gtk::Menu* tempo_or_meter_marker_menu;
1661         Gtk::Menu* marker_menu;
1662         Gtk::Menu* range_marker_menu;
1663         Gtk::Menu* transport_marker_menu;
1664         Gtk::Menu* new_transport_marker_menu;
1665         Gtk::Menu* cd_marker_menu;
1666         ArdourCanvas::Item* marker_menu_item;
1667
1668         typedef std::list<Marker*> Marks;
1669         Marks metric_marks;
1670
1671         void remove_metric_marks ();
1672         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1673
1674         void compute_current_bbt_points (framepos_t left, framepos_t right, 
1675                                          ARDOUR::TempoMap::BBTPointList::const_iterator& begin,
1676                                          ARDOUR::TempoMap::BBTPointList::const_iterator& end);
1677
1678         void tempo_map_changed (const PBD::PropertyChange&);
1679         void redisplay_tempo (bool immediate_redraw);
1680
1681         uint32_t bbt_beat_subdivision;
1682
1683         /* toolbar */
1684
1685         Gtk::ToggleButton editor_mixer_button;
1686         Gtk::ToggleButton editor_list_button;
1687         void editor_mixer_button_toggled ();
1688         void editor_list_button_toggled ();
1689
1690         ArdourButton              zoom_in_button;
1691         ArdourButton              zoom_out_button;
1692         ArdourButton              zoom_out_full_button;
1693
1694         ArdourButton              tav_expand_button;
1695         ArdourButton              tav_shrink_button;
1696         ArdourDropdown            visible_tracks_selector;
1697         ArdourDropdown            zoom_preset_selector;
1698
1699     int32_t                   _visible_track_count;
1700     void build_track_count_menu ();
1701     void set_visible_track_count (int32_t);
1702     
1703     void set_zoom_preset(int64_t);
1704
1705         Gtk::VBox                toolbar_clock_vbox;
1706         Gtk::VBox                toolbar_selection_clock_vbox;
1707         Gtk::Table               toolbar_selection_clock_table;
1708         Gtk::Label               toolbar_selection_cursor_label;
1709
1710         Gtkmm2ext::TearOff*      _mouse_mode_tearoff;
1711         ArdourButton mouse_select_button;
1712         ArdourButton mouse_draw_button;
1713         ArdourButton mouse_move_button;
1714         ArdourButton mouse_timefx_button;
1715         ArdourButton mouse_content_button;
1716         ArdourButton mouse_audition_button;
1717         ArdourButton mouse_cut_button;
1718
1719         ArdourButton smart_mode_button;
1720         Glib::RefPtr<Gtk::ToggleAction> smart_mode_action;
1721
1722         void                     mouse_mode_toggled (Editing::MouseMode m);
1723         void                     mouse_mode_object_range_toggled ();
1724         bool                     ignore_mouse_mode_toggle;
1725
1726         bool                     mouse_select_button_release (GdkEventButton*);
1727
1728         Gtk::VBox                automation_box;
1729         Gtk::Button              automation_mode_button;
1730
1731         //edit mode menu stuff
1732         ArdourDropdown  edit_mode_selector;
1733         void edit_mode_selection_done ( ARDOUR::EditMode m );
1734         void build_edit_mode_menu ();
1735         Gtk::VBox         edit_mode_box;
1736
1737         void set_edit_mode (ARDOUR::EditMode);
1738         void cycle_edit_mode ();
1739
1740         ArdourDropdown snap_type_selector;
1741         void build_snap_type_menu ();
1742
1743         ArdourDropdown snap_mode_selector;
1744         void build_snap_mode_menu ();
1745         Gtk::HBox         snap_box;
1746
1747         std::vector<std::string> snap_type_strings;
1748         std::vector<std::string> snap_mode_strings;
1749
1750         void snap_type_selection_done (Editing::SnapType);
1751         void snap_mode_selection_done (Editing::SnapMode);
1752         void snap_mode_chosen (Editing::SnapMode);
1753         void snap_type_chosen (Editing::SnapType);
1754
1755         Glib::RefPtr<Gtk::RadioAction> snap_type_action (Editing::SnapType);
1756         Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
1757
1758         //zoom focus meu stuff
1759         ArdourDropdown  zoom_focus_selector;
1760         void zoom_focus_selection_done ( Editing::ZoomFocus f );
1761         void build_zoom_focus_menu ();
1762         std::vector<std::string> zoom_focus_strings;
1763
1764         void zoom_focus_chosen (Editing::ZoomFocus);
1765
1766         Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
1767
1768         Gtk::HBox           _zoom_box;
1769         Gtkmm2ext::TearOff* _zoom_tearoff;
1770         void                zoom_adjustment_changed();
1771
1772         void setup_toolbar ();
1773
1774         void setup_tooltips ();
1775
1776         Gtkmm2ext::TearOff*     _tools_tearoff;
1777         Gtk::HBox                toolbar_hbox;
1778         Gtk::EventBox            toolbar_base;
1779         Gtk::Frame               toolbar_frame;
1780         Gtk::Viewport           _toolbar_viewport;
1781
1782         /* midi toolbar */
1783
1784         Gtk::HBox                panic_box;
1785
1786         void setup_midi_toolbar ();
1787
1788         /* selection process */
1789
1790         Selection* selection;
1791         Selection* cut_buffer;
1792         SelectionMemento* _selection_memento;
1793
1794         void time_selection_changed ();
1795         void update_time_selection_display ();
1796         void track_selection_changed ();
1797         void region_selection_changed ();
1798         sigc::connection editor_regions_selection_changed_connection;
1799         void sensitize_all_region_actions (bool);
1800         void sensitize_the_right_region_actions ();
1801         bool _all_region_actions_sensitized;
1802         /** Flag to block region action handlers from doing what they normally do;
1803          *  I tried Gtk::Action::block_activate() but this doesn't work (ie it doesn't
1804          *  block) when setting a ToggleAction's active state.
1805          */
1806         bool _ignore_region_action;
1807         bool _last_region_menu_was_main;
1808         void point_selection_changed ();
1809         void marker_selection_changed ();
1810
1811         bool _ignore_follow_edits;
1812
1813         void cancel_selection ();
1814         void cancel_time_selection ();
1815
1816         bool get_smart_mode() const;
1817
1818         bool audio_region_selection_covers (framepos_t where);
1819
1820         /* transport range select process */
1821
1822         ArdourCanvas::Rectangle*  cd_marker_bar_drag_rect;
1823         ArdourCanvas::Rectangle*  range_bar_drag_rect;
1824         ArdourCanvas::Rectangle*  transport_bar_drag_rect;
1825
1826 #ifdef GTKOSX
1827         ArdourCanvas::Rectangle     *bogus_background_rect;
1828 #endif
1829         ArdourCanvas::Rectangle     *transport_bar_range_rect;
1830         ArdourCanvas::Rectangle     *transport_bar_preroll_rect;
1831         ArdourCanvas::Rectangle     *transport_bar_postroll_rect;
1832         ArdourCanvas::Rectangle     *transport_loop_range_rect;
1833         ArdourCanvas::Rectangle     *transport_punch_range_rect;
1834         ArdourCanvas::Line     *transport_punchin_line;
1835         ArdourCanvas::Line     *transport_punchout_line;
1836         ArdourCanvas::Rectangle     *transport_preroll_rect;
1837         ArdourCanvas::Rectangle     *transport_postroll_rect;
1838
1839         ARDOUR::Location*  transport_loop_location();
1840         ARDOUR::Location*  transport_punch_location();
1841
1842         ARDOUR::Location   *temp_location;
1843
1844         /* object rubberband select process */
1845
1846         void select_all_within (framepos_t, framepos_t, double, double, TrackViewList const &, Selection::Operation, bool);
1847
1848         ArdourCanvas::Rectangle   *rubberband_rect;
1849
1850         EditorRouteGroups* _route_groups;
1851         EditorRoutes* _routes;
1852         EditorRegions* _regions;
1853         EditorSnapshots* _snapshots;
1854         EditorLocations* _locations;
1855
1856         /* diskstream/route display management */
1857         Glib::RefPtr<Gdk::Pixbuf> rec_enabled_icon;
1858         Glib::RefPtr<Gdk::Pixbuf> rec_disabled_icon;
1859
1860         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1861
1862         bool sync_track_view_list_and_routes ();
1863
1864         Gtk::VBox           list_vpacker;
1865
1866         /* autoscrolling */
1867
1868         sigc::connection autoscroll_connection;
1869         bool autoscroll_horizontal_allowed;
1870         bool autoscroll_vertical_allowed;
1871         uint32_t autoscroll_cnt;
1872         Gtk::Widget* autoscroll_widget;
1873         ArdourCanvas::Rect autoscroll_boundary;
1874
1875         bool autoscroll_canvas ();
1876         void start_canvas_autoscroll (bool allow_horiz, bool allow_vert, const ArdourCanvas::Rect& boundary);
1877         void stop_canvas_autoscroll ();
1878
1879         /* trimming */
1880         void point_trim (GdkEvent *, framepos_t);
1881
1882         void trim_region_front();
1883         void trim_region_back();
1884         void trim_region (bool front);
1885
1886         void trim_region_to_loop ();
1887         void trim_region_to_punch ();
1888         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1889
1890         void trim_to_region(bool forward);
1891         void trim_region_to_previous_region_end();
1892         void trim_region_to_next_region_start();
1893
1894         bool show_gain_after_trim;
1895
1896         /* Drag-n-Drop */
1897
1898         int convert_drop_to_paths (
1899                 std::vector<std::string>&           paths,
1900                 const Glib::RefPtr<Gdk::DragContext>& context,
1901                 gint                                  x,
1902                 gint                                  y,
1903                 const Gtk::SelectionData&             data,
1904                 guint                                 info,
1905                 guint                                 time);
1906
1907         void track_canvas_drag_data_received (
1908                 const Glib::RefPtr<Gdk::DragContext>& context,
1909                 gint                                  x,
1910                 gint                                  y,
1911                 const Gtk::SelectionData&             data,
1912                 guint                                 info,
1913                 guint                                 time);
1914
1915         void drop_paths (
1916                 const Glib::RefPtr<Gdk::DragContext>& context,
1917                 gint                                  x,
1918                 gint                                  y,
1919                 const Gtk::SelectionData&             data,
1920                 guint                                 info,
1921                 guint                                 time);
1922
1923         void drop_regions (
1924                 const Glib::RefPtr<Gdk::DragContext>& context,
1925                 gint                                  x,
1926                 gint                                  y,
1927                 const Gtk::SelectionData&             data,
1928                 guint                                 info,
1929                 guint                                 time);
1930
1931         void drop_routes (
1932                 const Glib::RefPtr<Gdk::DragContext>& context,
1933                 gint                x,
1934                 gint                y,
1935                 const Gtk::SelectionData& data,
1936                 guint               info,
1937                 guint               time);
1938
1939         /* audio export */
1940
1941         int  write_region_selection(RegionSelection&);
1942         bool write_region (std::string path, boost::shared_ptr<ARDOUR::AudioRegion>);
1943         void bounce_region_selection (bool with_processing);
1944         void bounce_range_selection (bool replace, bool enable_processing);
1945         void external_edit_region ();
1946
1947         int write_audio_selection (TimeSelection&);
1948         bool write_audio_range (ARDOUR::AudioPlaylist&, const ARDOUR::ChanCount& channels, std::list<ARDOUR::AudioRange>&);
1949
1950         void write_selection ();
1951
1952         uint32_t selection_op_cmd_depth;
1953         uint32_t selection_op_history_it;
1954
1955         std::list<XMLNode *> selection_op_history; /* used in *_reversible_selection_op */
1956         std::list<XMLNode *> before; /* used in *_reversible_command */
1957
1958         void update_title ();
1959         void update_title_s (const std::string & snapshot_name);
1960
1961         void instant_save ();
1962
1963         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
1964
1965         /* freeze operations */
1966
1967         ARDOUR::InterThreadInfo freeze_status;
1968         static void* _freeze_thread (void*);
1969         void* freeze_thread ();
1970
1971         void freeze_route ();
1972         void unfreeze_route ();
1973
1974         /* duplication */
1975
1976         void duplicate_range (bool with_dialog);
1977
1978         /** computes the timeline frame (sample) of an event whose coordinates
1979          * are in canvas units (pixels, scroll offset included).
1980          */
1981         framepos_t canvas_event_sample (GdkEvent const *, double* px = 0, double* py = 0) const;
1982
1983         /** computes the timeline frame (sample) of an event whose coordinates
1984          * are in window units (pixels, no scroll offset).
1985          */
1986         framepos_t window_event_sample (GdkEvent const *, double* px = 0, double* py = 0) const;
1987
1988         /* returns false if mouse pointer is not in track or marker canvas
1989          */
1990         bool mouse_frame (framepos_t&, bool& in_track_canvas) const;
1991
1992         TimeFXDialog* current_timefx;
1993         static void* timefx_thread (void *arg);
1994         void do_timefx ();
1995
1996         int time_stretch (RegionSelection&, float fraction);
1997         int pitch_shift (RegionSelection&, float cents);
1998         void pitch_shift_region ();
1999
2000         void transpose_region ();
2001
2002         /* editor-mixer strip */
2003
2004         MixerStrip *current_mixer_strip;
2005         bool show_editor_mixer_when_tracks_arrive;
2006         Gtk::VBox current_mixer_strip_vbox;
2007         void cms_new (boost::shared_ptr<ARDOUR::Route>);
2008         void current_mixer_strip_hidden ();
2009
2010         void detach_tearoff (Gtk::Box* b, Gtk::Window* w);
2011         void reattach_tearoff (Gtk::Box* b, Gtk::Window* w, int32_t n);
2012 #ifdef GTKOSX
2013         void ensure_all_elements_drawn ();
2014 #endif
2015         /* nudging tracks */
2016
2017         void nudge_track (bool use_edit_point, bool forwards);
2018
2019         static const int32_t default_width = 995;
2020         static const int32_t default_height = 765;
2021
2022         /* nudge */
2023
2024         ArdourButton      nudge_forward_button;
2025         ArdourButton      nudge_backward_button;
2026         Gtk::HBox        nudge_hbox;
2027         Gtk::VBox        nudge_vbox;
2028         AudioClock*       nudge_clock;
2029
2030         bool nudge_forward_release (GdkEventButton*);
2031         bool nudge_backward_release (GdkEventButton*);
2032
2033         /* audio filters */
2034
2035         void apply_filter (ARDOUR::Filter&, std::string cmd, ProgressReporter* progress = 0);
2036
2037         Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv);
2038         void apply_midi_note_edit_op (ARDOUR::MidiOperator& op, const RegionSelection& rs);
2039
2040         /* handling cleanup */
2041
2042         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
2043
2044         PBD::ScopedConnectionList session_connections;
2045
2046         /* tracking step changes of track height */
2047
2048         TimeAxisView* current_stepping_trackview;
2049         ARDOUR::microseconds_t last_track_height_step_timestamp;
2050         gint track_height_step_timeout();
2051         sigc::connection step_timeout;
2052
2053         TimeAxisView* entered_track;
2054         /** If the mouse is over a RegionView or one of its child canvas items, this is set up
2055             to point to the RegionView.  Otherwise it is 0.
2056         */
2057         RegionView*   entered_regionview;
2058
2059         std::vector<EnterContext> _enter_stack;
2060
2061         bool clear_entered_track;
2062         bool left_track_canvas (GdkEventCrossing*);
2063         bool entered_track_canvas (GdkEventCrossing*);
2064         void set_entered_track (TimeAxisView*);
2065         void set_entered_regionview (RegionView*);
2066         gint left_automation_track ();
2067
2068         void reset_canvas_action_sensitivity (bool);
2069         void set_gain_envelope_visibility ();
2070         void set_region_gain_visibility (RegionView*);
2071         void toggle_gain_envelope_active ();
2072         void reset_region_gain_envelopes ();
2073
2074         bool on_key_press_event (GdkEventKey*);
2075         bool on_key_release_event (GdkEventKey*);
2076
2077         void session_state_saved (std::string);
2078
2079         Glib::RefPtr<Gtk::Action>              undo_action;
2080         Glib::RefPtr<Gtk::Action>              redo_action;
2081         Glib::RefPtr<Gtk::Action>              alternate_redo_action;
2082         Glib::RefPtr<Gtk::Action>              alternate_alternate_redo_action;
2083         Glib::RefPtr<Gtk::Action>              selection_undo_action;
2084         Glib::RefPtr<Gtk::Action>              selection_redo_action;
2085
2086         void history_changed ();
2087
2088         Gtk::HBox      status_bar_hpacker;
2089
2090         Editing::EditPoint _edit_point;
2091
2092         ArdourDropdown edit_point_selector;
2093         void build_edit_point_menu();
2094
2095         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
2096         void cycle_edit_point (bool with_marker);
2097         void set_edit_point ();
2098         void edit_point_selection_done (Editing::EditPoint);
2099         void edit_point_chosen (Editing::EditPoint);
2100         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
2101         std::vector<std::string> edit_point_strings;
2102         std::vector<std::string> edit_mode_strings;
2103
2104         void selected_marker_moved (ARDOUR::Location*);
2105
2106         bool get_edit_op_range (framepos_t& start, framepos_t& end) const;
2107
2108         void get_regions_at (RegionSelection&, framepos_t where, const TrackViewList& ts) const;
2109         void get_regions_after (RegionSelection&, framepos_t where, const TrackViewList& ts) const;
2110
2111         RegionSelection get_regions_from_selection_and_edit_point ();
2112         RegionSelection get_regions_from_selection_and_entered ();
2113
2114         void start_updating_meters ();
2115         void stop_updating_meters ();
2116         bool meters_running;
2117
2118         void select_next_route ();
2119         void select_prev_route ();
2120
2121         void snap_to_internal (framepos_t&       first,
2122                                ARDOUR::RoundMode direction = ARDOUR::RoundNearest,
2123                                bool              for_mark  = false);
2124
2125         void timecode_snap_to_internal (framepos_t&       first,
2126                                         ARDOUR::RoundMode direction = ARDOUR::RoundNearest,
2127                                         bool              for_mark  = false);
2128
2129         RhythmFerret* rhythm_ferret;
2130
2131         void fit_tracks (TrackViewList &);
2132         void fit_selection ();
2133         void set_track_height (Height);
2134
2135         void remove_tracks ();
2136         void toggle_tracks_active ();
2137
2138         bool _have_idled;
2139         int resize_idle_id;
2140         static gboolean _idle_resize (gpointer);
2141         bool idle_resize();
2142         int32_t _pending_resize_amount;
2143         TimeAxisView* _pending_resize_view;
2144
2145         void visible_order_range (int*, int*) const;
2146
2147         void located ();
2148
2149         /** true if we've made a locate request that hasn't yet been processed */
2150         bool _pending_locate_request;
2151
2152         /** if true, there is a pending Session locate which is the initial one when loading a session;
2153             we need to know this so that we don't (necessarily) set the viewport to show the playhead
2154             initially.
2155         */
2156         bool _pending_initial_locate;
2157
2158         Gtk::HBox _summary_hbox;
2159         EditorSummary* _summary;
2160
2161         void region_view_added (RegionView *);
2162         void region_view_removed ();
2163
2164         EditorGroupTabs* _group_tabs;
2165         void fit_route_group (ARDOUR::RouteGroup *);
2166
2167         void step_edit_status_change (bool);
2168         void start_step_editing ();
2169         void stop_step_editing ();
2170         bool check_step_edit ();
2171         sigc::connection step_edit_connection;
2172
2173         double _last_motion_y;
2174
2175         RegionLayeringOrderEditor* layering_order_editor;
2176         void update_region_layering_order_editor ();
2177
2178         /** Track that was the source for the last cut/copy operation.  Used as a place
2179             to paste things iff there is no selected track.
2180         */
2181         TimeAxisView* _last_cut_copy_source_track;
2182
2183         /** true if a change in Selection->regions should change the selection in the region list.
2184             See EditorRegions::selection_changed.
2185         */
2186         bool _region_selection_change_updates_region_list;
2187
2188         void setup_fade_images ();
2189         std::map<ARDOUR::FadeShape, Gtk::Image*> _fade_in_images;
2190         std::map<ARDOUR::FadeShape, Gtk::Image*> _fade_out_images;
2191         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_in_images;
2192         std::map<ARDOUR::FadeShape, Gtk::Image*> _xfade_out_images;
2193
2194         Gtk::MenuItem& action_menu_item (std::string const &);
2195         void action_pre_activated (Glib::RefPtr<Gtk::Action> const &);
2196
2197         MouseCursors* _cursors;
2198
2199         void follow_mixer_selection ();
2200         bool _following_mixer_selection;
2201
2202         int time_fx (ARDOUR::RegionList&, float val, bool pitching);
2203         void note_edit_done (int, EditNoteDialog*);
2204         void toggle_sound_midi_notes ();
2205
2206         /** Flag for a bit of a hack wrt control point selection; see set_selected_control_point_from_click */
2207         bool _control_point_toggled_on_press;
2208
2209         /** This is used by TimeAxisView to keep a track of the TimeAxisView that is currently being
2210             stepped in height using ScrollZoomVerticalModifier+Scrollwheel.  When a scroll event
2211             occurs, we do the step on this _stepping_axis_view if it is non-0 (and we set up this
2212             _stepping_axis_view with the TimeAxisView underneath the mouse if it is 0).  Then Editor
2213             resets _stepping_axis_view when the modifier key is released.  In this (hacky) way,
2214             pushing the modifier key and moving the scroll wheel will operate on the same track
2215             until the key is released (rather than skipping about to whatever happens to be
2216             underneath the mouse at the time).
2217         */
2218         TimeAxisView* _stepping_axis_view;
2219         void zoom_vertical_modifier_released();
2220
2221         void bring_in_callback (Gtk::Label*, uint32_t n, uint32_t total, std::string name);
2222         void update_bring_in_message (Gtk::Label* label, uint32_t n, uint32_t total, std::string name);
2223         void bring_all_sources_into_session ();
2224
2225         friend class Drag;
2226         friend class RegionDrag;
2227         friend class RegionMoveDrag;
2228         friend class RegionSpliceDrag;
2229         friend class RegionRippleDrag;
2230         friend class TrimDrag;
2231         friend class MeterMarkerDrag;
2232         friend class TempoMarkerDrag;
2233         friend class CursorDrag;
2234         friend class FadeInDrag;
2235         friend class FadeOutDrag;
2236         friend class MarkerDrag;
2237         friend class RegionGainDrag;
2238         friend class ControlPointDrag;
2239         friend class LineDrag;
2240         friend class RubberbandSelectDrag;
2241         friend class EditorRubberbandSelectDrag;
2242         friend class TimeFXDrag;
2243         friend class ScrubDrag;
2244         friend class SelectionDrag;
2245         friend class RangeMarkerBarDrag;
2246         friend class MouseZoomDrag;
2247         friend class RegionCreateDrag;
2248         friend class RegionMotionDrag;
2249         friend class RegionInsertDrag;
2250         friend class VideoTimeLineDrag;
2251
2252         friend class EditorSummary;
2253         friend class EditorGroupTabs;
2254
2255         friend class EditorRoutes;
2256         friend class RhythmFerret;
2257 };
2258
2259 #endif /* __ardour_editor_h__ */