make drop_paths() run in an idle handler on OS X to deal with the current DnD handlin...
[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 <list>
24 #include <map>
25 #include <set>
26 #include <string>
27 #include <sys/time.h>
28 #include <glibmm/ustring.h>
29
30 #include <boost/optional.hpp>
31
32 #include <libgnomecanvasmm/canvas.h>
33 #include <libgnomecanvasmm/group.h>
34 #include <libgnomecanvasmm/line.h>
35 #include <libgnomecanvasmm/pixbuf.h>
36
37 #include <cmath>
38
39 #include <gtkmm/layout.h>
40 #include <gtkmm/comboboxtext.h>
41
42 #include <gtkmm2ext/selector.h>
43 #include <gtkmm2ext/click_box.h>
44 #include <gtkmm2ext/dndtreeview.h>
45
46 #include <pbd/stateful.h>
47 #include <ardour/session.h>
48 #include <ardour/tempo.h>
49 #include <ardour/stretch.h>
50 #include <ardour/location.h>
51 #include <ardour/audioregion.h>
52
53 #include "audio_clock.h"
54 #include "gtk-custom-ruler.h"
55 #include "ardour_dialog.h"
56 #include "public_editor.h"
57 #include "editing.h"
58 #include "enums.h"
59 #include "editor_items.h"
60 #include "region_selection.h"
61 #include "canvas.h"
62 #include "time_axis_view.h"
63 #include "draginfo.h"
64
65 namespace Gtkmm2ext {
66         class TearOff;
67 }
68
69 namespace ARDOUR {
70         class AudioDiskstream;
71         class RouteGroup;
72         class Playlist;
73         class AudioPlaylist;
74         class Region;
75         class Location;
76         class TempoSection;
77         class NamedSelection;
78         class Session;
79         class AudioFilter;
80         class Crossfade;
81 }
82
83 namespace LADSPA {
84         class Plugin;
85 }
86
87 class TimeAxisView;
88 class RouteTimeAxisView;
89 class AudioTimeAxisView;
90 class AutomationTimeAxisView;
91 class AudioRegionView;
92 class CrossfadeView;
93 class PluginSelector;
94 class PlaylistSelector;
95 class Marker;
96 class GroupedButtons;
97 class AutomationLine;
98 class UIExportSpecification;
99 class ExportDialog;
100 class Selection;
101 class TempoLines;
102 class TimeSelection;
103 class TrackSelection;
104 class AutomationSelection;
105 class MixerStrip;
106 class StreamView;
107 class AudioStreamView;
108 class ControlPoint;
109 class SoundFileOmega;
110 class RhythmFerret;
111 #ifdef FFT_ANALYSIS
112 class AnalysisWindow;
113 #endif
114
115 /* <CMT Additions> */
116 class ImageFrameView;
117 class ImageFrameTimeAxisView;
118 class ImageFrameTimeAxis;
119 class MarkerTimeAxis ;
120 class MarkerView ;
121 class ImageFrameSocketHandler ;
122 class TimeAxisViewItem ;
123 /* </CMT Additions> */
124
125
126 class Editor : public PublicEditor
127 {
128   public:
129         Editor ();
130         ~Editor ();
131
132         void             connect_to_session (ARDOUR::Session *);
133         ARDOUR::Session* current_session() const { return session; }
134         void             first_idle ();
135         virtual bool have_idled() const { return _have_idled; }
136
137         nframes64_t leftmost_position() const { return leftmost_frame; }
138         nframes64_t current_page_frames() const {
139                 return (nframes64_t) floor (canvas_width * frames_per_unit);
140         }
141
142         void cycle_snap_mode ();
143         void cycle_snap_choice ();
144         void set_snap_to (Editing::SnapType);
145         void set_snap_mode (Editing::SnapMode);
146         void set_snap_threshold (double pixel_distance) {snap_threshold = pixel_distance;}
147
148         void undo (uint32_t n = 1);
149         void redo (uint32_t n = 1);
150
151         XMLNode& get_state ();
152         int set_state (const XMLNode& );
153
154         void set_mouse_mode (Editing::MouseMode, bool force=true);
155         void step_mouse_mode (bool next);
156         Editing::MouseMode current_mouse_mode () { return mouse_mode; }
157
158         void add_imageframe_time_axis(const std::string & track_name, void*) ;
159         void add_imageframe_marker_time_axis(const std::string & track_name, TimeAxisView* marked_track, void*) ;
160         void connect_to_image_compositor() ;
161         void scroll_timeaxis_to_imageframe_item(const TimeAxisViewItem* item) ;
162         TimeAxisView* get_named_time_axis(const std::string & name) ;
163         void foreach_time_axis_view (sigc::slot<void,TimeAxisView&>);
164         void add_to_idle_resize (TimeAxisView*, uint32_t);
165
166         void consider_auditioning (boost::shared_ptr<ARDOUR::Region>);
167         void hide_a_region (boost::shared_ptr<ARDOUR::Region>);
168         void remove_a_region (boost::shared_ptr<ARDOUR::Region>);
169
170 #ifdef USE_RUBBERBAND
171         std::vector<std::string> rb_opt_strings;
172 #endif
173
174         /* option editor-access */
175
176         void set_show_waveforms (bool yn);
177         bool show_waveforms() const { return _show_waveforms; }
178
179         void set_waveform_scale (Editing::WaveformScale);
180
181         void set_show_waveforms_recording (bool yn);
182         bool show_waveforms_recording() const { return _show_waveforms_recording; }
183         
184         /* things that need to be public to be used in the main menubar */
185
186         void new_region_from_selection ();
187         void separate_regions_between (const TimeSelection&);
188         void separate_region_from_selection ();
189         void separate_region_from_punch ();
190         void separate_region_from_loop ();
191         void separate_regions_using_location (ARDOUR::Location&);
192         void toggle_playback (bool with_abort);
193         void transition_to_rolling (bool forward);
194
195         /* undo related */
196
197         nframes64_t unit_to_frame (double unit) const {
198                 return (nframes64_t) rint (unit * frames_per_unit);
199         }
200         
201         double frame_to_unit (nframes64_t frame) const {
202                 return rint ((double) frame / (double) frames_per_unit);
203         }
204
205         double frame_to_unit (double frame) const {
206                 return rint (frame / frames_per_unit);
207         }
208
209         /* NOTE: these functions assume that the "pixel" coordinate is
210            the result of using the world->canvas affine transform on a
211            world coordinate. These coordinates already take into
212            account any scrolling carried out by adjusting the
213            xscroll_adjustment.  
214         */
215
216         nframes64_t pixel_to_frame (double pixel) const {
217                 
218                 /* pixel can be less than zero when motion events
219                    are processed. since we've already run the world->canvas
220                    affine, that means that the location *really* is "off
221                    to the right" and thus really is "before the start".
222                 */
223
224                 if (pixel >= 0) {
225                         return (nframes64_t) rint (pixel * frames_per_unit * GNOME_CANVAS(track_canvas->gobj())->pixels_per_unit);
226                 } else {
227                         return 0;
228                 }
229         }
230
231         gulong frame_to_pixel (nframes64_t frame) const {
232                 return (gulong) rint ((frame / (frames_per_unit *  GNOME_CANVAS(track_canvas->gobj())->pixels_per_unit)));
233         }
234
235         void flush_canvas ();
236
237         /* selection */
238
239         Selection& get_selection() const { return *selection; }
240         Selection& get_cut_buffer() const { return *cut_buffer; }
241
242         bool extend_selection_to_track (TimeAxisView&);
243
244         void play_selection ();
245         void select_all_in_track (Selection::Operation op);
246         void select_all (Selection::Operation op);
247         void invert_selection_in_track ();
248         void invert_selection ();
249         void deselect_all ();
250
251         /* tempo */
252
253         void set_show_measures (bool yn);
254         bool show_measures () const { return _show_measures; }
255
256 #ifdef FFT_ANALYSIS
257         /* analysis window */
258         void analyze_region_selection();
259         void analyze_range_selection();
260 #endif
261
262         /* export */
263
264         /* these initiate export ... */
265         
266         void export_session();
267         void export_selection();
268
269         void add_toplevel_controls (Gtk::Container&);
270         Gtk::HBox& get_status_bar_packer()  { return status_bar_hpacker; }
271
272         void      set_zoom_focus (Editing::ZoomFocus);
273         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
274         double   get_current_zoom () const { return frames_per_unit; }
275
276         void temporal_zoom_step (bool coarser);
277
278         /* stuff that AudioTimeAxisView and related classes use */
279
280         PlaylistSelector& playlist_selector() const;
281         void route_name_changed (TimeAxisView *);
282         void clear_playlist (boost::shared_ptr<ARDOUR::Playlist>);
283
284         void new_playlists (TimeAxisView*);
285         void copy_playlists (TimeAxisView*);
286         void clear_playlists (TimeAxisView*);
287
288         TrackViewList* get_valid_views (TimeAxisView*, ARDOUR::RouteGroup* grp = 0);
289
290         Width editor_mixer_strip_width;
291         void maybe_add_mixer_strip_width (XMLNode&);
292         void show_editor_mixer (bool yn);
293         void create_editor_mixer ();
294         void set_selected_mixer_strip (TimeAxisView&);
295         void hide_track_in_display (TimeAxisView& tv, bool temporary = false);
296         void show_track_in_display (TimeAxisView& tv);
297
298         /* nudge is initiated by transport controls owned by ARDOUR_UI */
299
300         void nudge_forward (bool next, bool force_playhead);
301         void nudge_backward (bool next, bool force_playhead);
302
303         /* nudge initiated from context menu */
304
305         void nudge_forward_capture_offset ();
306         void nudge_backward_capture_offset ();
307
308         /* playhead/screen stuff */
309         
310         void set_follow_playhead (bool yn);
311         void toggle_follow_playhead ();
312         bool follow_playhead() const { return _follow_playhead; }
313         bool dragging_playhead () const { return _dragging_playhead; }
314
315         void toggle_waveform_visibility ();
316         void toggle_waveforms_while_recording ();
317         void toggle_measure_visibility ();
318         void toggle_logo_visibility ();
319
320         double get_physical_screen_width () const { return physical_screen_width; };
321         double physical_screen_width;
322         double physical_screen_height;
323
324         /* SMPTE timecode & video sync */
325
326         void smpte_fps_chosen (ARDOUR::SmpteFormat format);
327         void video_pullup_chosen (ARDOUR::Session::PullupFormat pullup);
328         void subframes_per_frame_chosen (uint32_t);
329
330         void update_smpte_mode();
331         void update_video_pullup();
332         void update_subframes_per_frame ();
333
334         /* fades & xfades */
335
336         void toggle_region_fades ();
337         void toggle_region_fades_visible ();
338         void toggle_selected_region_fades (int dir);
339         void update_region_fade_visibility ();
340
341         void toggle_auto_xfade ();
342         void toggle_xfades_active ();
343         void toggle_xfade_visibility ();
344         bool xfade_visibility() const { return _xfade_visibility; }
345         void update_xfade_visibility ();
346         void update_crossfade_model ();
347         void set_crossfade_model (ARDOUR::CrossfadeModel);
348
349         /* layers */
350         void set_layer_model (ARDOUR::LayerModel);
351         void update_layering_model ();
352         
353         void toggle_link_region_and_track_selection ();
354
355         /* redirect shared ops menu. caller must free returned menu */
356
357         Gtk::Menu* redirect_menu ();
358
359         /* floating windows/transient */
360
361         void ensure_float (Gtk::Window&);
362
363         void show_window ();
364
365         void scroll_tracks_down_line ();
366         void scroll_tracks_up_line ();
367
368         void move_selected_tracks (bool up);
369
370         bool new_regionviews_display_gain () { return _new_regionviews_show_envelope; }
371         void prepare_for_cleanup ();
372         void finish_cleanup ();
373
374         void maximise_editing_space();
375         void restore_editing_space();
376
377         void reset_x_origin (nframes64_t);
378         void reset_zoom (double);
379         void reposition_and_zoom (nframes64_t, double);
380
381         nframes64_t get_preferred_edit_position (bool ignore_playhead = false);
382
383         bool update_mouse_speed ();
384         bool decelerate_mouse_speed ();
385
386         void toggle_meter_updating();
387
388         void show_rhythm_ferret();
389
390         void goto_visual_state (uint32_t);
391         void save_visual_state (uint32_t);
392
393         void queue_draw_resize_line (int at);
394         void start_resize_line_ops ();
395         void end_resize_line_ops ();
396
397   protected:
398         void map_transport_state ();
399         void map_position_change (nframes64_t);
400
401         void on_realize();
402         bool on_expose_event (GdkEventExpose*);
403
404   private:
405         
406         ARDOUR::Session     *session;
407         bool                 constructed;
408   
409         // to keep track of the playhead position for control_scroll
410         boost::optional<nframes64_t> _control_scroll_target;
411
412         PlaylistSelector* _playlist_selector;
413
414         typedef std::pair<TimeAxisView*,XMLNode*> TAVState;
415
416         struct VisualState {
417             double              y_position;
418             double              frames_per_unit;
419             nframes64_t         leftmost_frame;
420             Editing::ZoomFocus  zoom_focus;
421             bool                zoomed_to_region;
422             std::list<TAVState> track_states;
423         };
424         
425         std::list<VisualState*> undo_visual_stack;
426         std::list<VisualState*> redo_visual_stack;
427         VisualState* current_visual_state (bool with_tracks = true);
428         void undo_visual_state ();
429         void redo_visual_state ();
430         void use_visual_state (VisualState&);
431         bool no_save_visual;
432         void swap_visual_state ();
433         
434         std::vector<VisualState*> visual_states;
435         sigc::connection visual_state_op_connection;
436         void start_visual_state_op (uint32_t n);
437         void cancel_visual_state_op (uint32_t n);
438         bool end_visual_state_op (uint32_t n);
439
440         nframes64_t leftmost_frame;
441         double      frames_per_unit;
442         Editing::ZoomFocus zoom_focus;
443
444         void set_frames_per_unit (double);
445         void post_zoom ();
446
447         Editing::MouseMode mouse_mode;
448
449         int  post_maximal_editor_width;
450         int  post_maximal_pane_position;
451         int  pre_maximal_pane_position;
452         int  pre_maximal_editor_width;
453         void pane_allocation_handler (Gtk::Allocation&, Gtk::Paned*);
454
455         Gtk::Notebook the_notebook;
456         Gtk::HPaned   edit_pane;
457
458         Gtk::EventBox meter_base;
459         Gtk::HBox     meter_box;
460         Gtk::EventBox marker_base;
461         Gtk::HBox     marker_box;
462         Gtk::VBox     scrollers_rulers_markers_box;
463
464         void location_changed (ARDOUR::Location *);
465         void location_flags_changed (ARDOUR::Location *, void *);
466         void refresh_location_display ();
467         void refresh_location_display_s (ARDOUR::Change);
468         void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
469         void add_new_location (ARDOUR::Location *);
470         void location_gone (ARDOUR::Location *);
471         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
472         gint really_remove_marker (ARDOUR::Location* loc);
473         void goto_nth_marker (int nth);
474
475         uint32_t location_marker_color;
476         uint32_t location_range_color;
477         uint32_t location_loop_color;
478         uint32_t location_punch_color;
479         uint32_t location_cd_marker_color;
480
481         struct LocationMarkers {
482             Marker* start;
483             Marker* end;
484             bool    valid;
485
486             LocationMarkers () : start(0), end(0), valid (true) {}
487             
488             ~LocationMarkers ();
489
490             void hide();
491             void show ();
492             void set_name (const string&);
493             void set_position (nframes64_t start, nframes64_t end = 0);
494             void set_color_rgba (uint32_t);
495         };
496
497         LocationMarkers  *find_location_markers (ARDOUR::Location *) const;
498         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start) const;
499         Marker* entered_marker;
500
501         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
502         LocationMarkerMap location_markers;
503
504         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
505         void clear_marker_display ();
506         void mouse_add_new_marker (nframes64_t where, bool is_cd=false, bool is_xrun=false);
507         bool choose_new_marker_name(string &name);
508         void update_cd_marker_display ();
509         void ensure_cd_marker_updated (LocationMarkers * lam, ARDOUR::Location * location);
510
511         TimeAxisView*      clicked_trackview;
512         AudioTimeAxisView* clicked_audio_trackview;
513         RegionView*        clicked_regionview;
514         RegionSelection    latest_regionviews;
515         uint32_t           clicked_selection;
516         CrossfadeView*     clicked_crossfadeview;
517         ControlPoint*      clicked_control_point;
518
519         void sort_track_selection (TrackSelection* sel = 0);
520
521         void get_relevant_audio_tracks (std::set<AudioTimeAxisView*>& relevant_tracks);
522         void get_equivalent_regions (RegionView* rv, std::vector<RegionView*>&);
523         void mapover_audio_tracks (sigc::slot<void,AudioTimeAxisView&,uint32_t> sl, TimeAxisView*);
524
525         /* functions to be passed to mapover_audio_tracks(), possibly with sigc::bind()-supplied arguments */
526
527         void mapped_get_equivalent_regions (RouteTimeAxisView&, uint32_t, RegionView*, vector<RegionView*>*);
528         void mapped_use_new_playlist (AudioTimeAxisView&, uint32_t, vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
529         void mapped_use_copy_playlist (AudioTimeAxisView&, uint32_t, vector<boost::shared_ptr<ARDOUR::Playlist> > const &);
530         void mapped_clear_playlist (AudioTimeAxisView&, uint32_t);
531
532         /* end */
533
534         void button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type);
535         bool button_release_can_deselect;
536
537         void catch_vanishing_regionview (RegionView *);
538
539         void set_selected_track (TimeAxisView&, Selection::Operation op = Selection::Set, bool no_remove=false);
540         void select_all_tracks ();
541         
542         bool set_selected_control_point_from_click (Selection::Operation op = Selection::Set, bool no_remove=false);
543         void set_selected_track_from_click (bool press, Selection::Operation op = Selection::Set, bool no_remove=false);
544         void set_selected_track_as_side_effect (bool force = false);
545         bool set_selected_regionview_from_click (bool press, Selection::Operation op = Selection::Set, bool no_track_remove=false);
546
547         void set_selected_regionview_from_region_list (boost::shared_ptr<ARDOUR::Region> region, Selection::Operation op = Selection::Set);
548         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, boost::weak_ptr<ARDOUR::Region>);
549         void collect_new_region_view (RegionView *);
550
551         Gtk::Menu track_context_menu;
552         Gtk::Menu track_region_context_menu;
553         Gtk::Menu track_selection_context_menu;
554         Gtk::Menu track_crossfade_context_menu;
555
556         Gtk::MenuItem* region_edit_menu_split_item;
557         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
558         Gtk::Menu * track_region_edit_playlist_menu;
559         Gtk::Menu * track_edit_playlist_submenu;
560         Gtk::Menu * track_selection_edit_playlist_submenu;
561         
562         void popup_track_context_menu (int, int, ItemType, bool, nframes64_t);
563         Gtk::Menu* build_track_context_menu (nframes64_t);
564         Gtk::Menu* build_track_bus_context_menu (nframes64_t);
565         Gtk::Menu* build_track_region_context_menu (nframes64_t frame);
566         Gtk::Menu* build_track_crossfade_context_menu (nframes64_t);
567         Gtk::Menu* build_track_selection_context_menu (nframes64_t);
568         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
569         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
570         void add_region_context_items (AudioStreamView*, boost::shared_ptr<ARDOUR::Region>, Gtk::Menu_Helpers::MenuList&);
571         void add_crossfade_context_items (AudioStreamView*, boost::shared_ptr<ARDOUR::Crossfade>, Gtk::Menu_Helpers::MenuList&, bool many);
572         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
573
574         void handle_new_route (ARDOUR::Session::RouteList&);
575         void remove_route (TimeAxisView *);
576         bool route_removal;
577
578         Gtk::HBox           global_hpacker;
579         Gtk::VBox           global_vpacker;
580         Gtk::VBox           vpacker;
581
582         bool need_resize_line;
583         int  resize_line_y;
584         int  old_resize_line_y;
585
586         Gdk::Cursor*          current_canvas_cursor;
587         void set_canvas_cursor ();
588         Gdk::Cursor* which_grabber_cursor ();
589
590         ArdourCanvas::Canvas* track_canvas;
591
592         ArdourCanvas::Text* first_action_message;
593         ArdourCanvas::Text* verbose_canvas_cursor;
594         bool                 verbose_cursor_visible;
595
596         void parameter_changed (const char *);
597         
598         bool track_canvas_motion (GdkEvent*);
599
600         void set_verbose_canvas_cursor (const string &, double x, double y);
601         void set_verbose_canvas_cursor_text (const string &);
602         void show_verbose_canvas_cursor();
603         void hide_verbose_canvas_cursor();
604
605         bool verbose_cursor_on; // so far unused
606
607         Gtk::EventBox      time_canvas_event_box;
608         Gtk::EventBox      track_canvas_event_box;
609         Gtk::EventBox      time_button_event_box;
610         Gtk::EventBox      ruler_label_event_box;
611
612         ArdourCanvas::Pixbuf*     logo_item;
613         ArdourCanvas::Group*      minsec_group;
614         ArdourCanvas::Group*      bbt_group;
615         ArdourCanvas::Group*      smpte_group;
616         ArdourCanvas::Group*      frame_group;
617         ArdourCanvas::Group*      tempo_group;
618         ArdourCanvas::Group*      meter_group;
619         ArdourCanvas::Group*      marker_group;
620         ArdourCanvas::Group*      range_marker_group;
621         ArdourCanvas::Group*      transport_marker_group;
622         ArdourCanvas::Group*      cd_marker_group;
623
624         ArdourCanvas::Group*      timebar_group;
625
626         /* These bars never need to be scrolled */
627         ArdourCanvas::Group*      meter_bar_group;
628         ArdourCanvas::Group*      tempo_bar_group;
629         ArdourCanvas::Group*      marker_bar_group;
630         ArdourCanvas::Group*      range_marker_bar_group;
631         ArdourCanvas::Group*      transport_marker_bar_group;
632         ArdourCanvas::Group*      cd_marker_bar_group;
633
634         ArdourCanvas::Group* _background_group;
635         /* 
636            The _master_group is the group containing all items
637            that require horizontal scrolling..
638            It is primarily used to separate canvas items 
639            that require horizontal scrolling from those that do not. 
640         */
641         ArdourCanvas::Group* _master_group;
642         /* 
643            The _trackview_group is the group containing all trackviews.
644            It is only scrolled vertically.
645         */
646         ArdourCanvas::Group* _trackview_group;
647         /* 
648            This canvas group is used for region motion.
649            It sits on top of the _trackview_group 
650         */
651         ArdourCanvas::Group* _region_motion_group;
652         
653         enum RulerType {
654                 ruler_metric_smpte = 0,
655                 ruler_metric_bbt = 1,
656                 ruler_metric_frames = 2,
657                 ruler_metric_minsec = 3,
658
659                 ruler_time_tempo = 4,
660                 ruler_time_meter = 5,
661                 ruler_time_marker = 6,
662                 ruler_time_range_marker = 7,
663                 ruler_time_transport_marker = 8,
664                 ruler_time_cd_marker = 9,
665         };
666
667         static GtkCustomMetric ruler_metrics[4];
668         Glib::RefPtr<Gtk::ToggleAction> ruler_timecode_action;
669         Glib::RefPtr<Gtk::ToggleAction> ruler_bbt_action;
670         Glib::RefPtr<Gtk::ToggleAction> ruler_samples_action;
671         Glib::RefPtr<Gtk::ToggleAction> ruler_minsec_action;
672         Glib::RefPtr<Gtk::ToggleAction> ruler_tempo_action;
673         Glib::RefPtr<Gtk::ToggleAction> ruler_meter_action;
674         Glib::RefPtr<Gtk::ToggleAction> ruler_marker_action;
675         Glib::RefPtr<Gtk::ToggleAction> ruler_range_action;
676         Glib::RefPtr<Gtk::ToggleAction> ruler_loop_punch_action;
677         Glib::RefPtr<Gtk::ToggleAction> ruler_cd_marker_action;
678         bool                   no_ruler_shown_update;
679         
680         gint ruler_button_press (GdkEventButton*);
681         gint ruler_button_release (GdkEventButton*);
682         gint ruler_mouse_motion (GdkEventMotion*);
683         bool ruler_scroll (GdkEventScroll* event);
684
685         gint ruler_pressed_button;
686         Gtk::Widget * ruler_grabbed_widget;
687         
688         void initialize_rulers ();
689         void update_just_smpte ();
690         void update_fixed_rulers ();
691         void update_tempo_based_rulers (); 
692         void popup_ruler_menu (nframes64_t where = 0, ItemType type = RegionItem);
693         void update_ruler_visibility ();
694         void set_ruler_visible (RulerType, bool);
695         void toggle_ruler_visibility (RulerType rt);
696         void ruler_toggled (int);
697         gint ruler_label_button_release (GdkEventButton*);
698         void store_ruler_visibility ();
699         void restore_ruler_visibility ();
700         
701         static gint _metric_get_smpte (GtkCustomRulerMark **, gdouble, gdouble, gint);
702         static gint _metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
703         static gint _metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
704         static gint _metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
705         
706         gint metric_get_smpte (GtkCustomRulerMark **, gdouble, gdouble, gint);
707         gint metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
708         gint metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
709         gint metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
710
711         Gtk::Widget        *_ruler_separator;
712         GtkWidget          *_smpte_ruler;
713         GtkWidget          *_bbt_ruler;
714         GtkWidget          *_frames_ruler;
715         GtkWidget          *_minsec_ruler;
716         Gtk::Widget        *smpte_ruler;
717         Gtk::Widget        *bbt_ruler;
718         Gtk::Widget        *frames_ruler;
719         Gtk::Widget        *minsec_ruler;
720         static Editor      *ruler_editor;
721
722         static const double timebar_height;
723         guint32 visible_timebars;
724         gdouble canvas_timebars_vsize;
725         gdouble get_canvas_timebars_vsize () const { return canvas_timebars_vsize; }
726         Gtk::Menu          *editor_ruler_menu;
727         
728         ArdourCanvas::SimpleRect* tempo_bar;
729         ArdourCanvas::SimpleRect* meter_bar;
730         ArdourCanvas::SimpleRect* marker_bar;
731         ArdourCanvas::SimpleRect* range_marker_bar;
732         ArdourCanvas::SimpleRect* transport_marker_bar;
733         ArdourCanvas::SimpleRect* cd_marker_bar;
734
735         
736         ArdourCanvas::SimpleLine* tempo_line;
737         ArdourCanvas::SimpleLine* meter_line;
738         ArdourCanvas::SimpleLine* marker_line;
739         ArdourCanvas::SimpleLine* range_marker_line;
740         ArdourCanvas::SimpleLine* transport_marker_line;
741         ArdourCanvas::SimpleLine* cd_marker_line;
742
743         Gtk::Label  minsec_label;
744         Gtk::Label  bbt_label;
745         Gtk::Label  smpte_label;
746         Gtk::Label  frame_label;
747         Gtk::Label  tempo_label;
748         Gtk::Label  meter_label;
749         Gtk::Label  mark_label;
750         Gtk::Label  range_mark_label;
751         Gtk::Label  transport_mark_label;
752         Gtk::Label  cd_mark_label;
753         
754
755         Gtk::VBox          time_button_vbox;
756         Gtk::HBox          time_button_hbox;
757
758         struct Cursor {
759             Editor&               editor;
760             ArdourCanvas::Points  points;
761             ArdourCanvas::Line    canvas_item;
762             nframes64_t           current_frame;
763             double                length;
764
765             Cursor (Editor&, bool (Editor::*)(GdkEvent*,ArdourCanvas::Item*));
766             ~Cursor ();
767
768             void set_position (nframes64_t);
769             void set_length (double units);
770             void set_y_axis (double position);
771         };
772
773         friend struct Cursor; /* it needs access to several private
774                                  fields. XXX fix me.
775                               */
776
777         Cursor* playhead_cursor;
778         ArdourCanvas::Group* cursor_group;
779
780         void    cursor_to_region_boundary (Cursor*, int32_t dir);
781         void    cursor_to_next_region_boundary (Cursor*);
782         void    cursor_to_previous_region_boundary (Cursor*);
783         void    cursor_to_next_region_point (Cursor*, ARDOUR::RegionPoint);
784         void    cursor_to_previous_region_point (Cursor*, ARDOUR::RegionPoint);
785         void    cursor_to_region_point (Cursor*, ARDOUR::RegionPoint, int32_t dir);
786         void    cursor_to_selection_start (Cursor *);
787         void    cursor_to_selection_end   (Cursor *);
788
789         void    selected_marker_to_region_boundary (int32_t dir);
790         void    selected_marker_to_next_region_boundary ();
791         void    selected_marker_to_previous_region_boundary ();
792         void    selected_marker_to_next_region_point (ARDOUR::RegionPoint);
793         void    selected_marker_to_previous_region_point (ARDOUR::RegionPoint);
794         void    selected_marker_to_region_point (ARDOUR::RegionPoint, int32_t dir);
795         void    selected_marker_to_selection_start ();
796         void    selected_marker_to_selection_end   ();
797
798         void    select_all_selectables_using_cursor (Cursor *, bool);
799         void    select_all_selectables_using_edit (bool);
800         void    select_all_selectables_between (bool within);
801         void    select_range_between ();
802
803         boost::shared_ptr<ARDOUR::Region> find_next_region (nframes64_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
804         nframes64_t find_next_region_boundary (nframes64_t, int32_t dir, const TrackViewList&);
805
806         vector<nframes64_t> region_boundary_cache;
807         void build_region_boundary_cache ();
808
809         Gtk::HBox           top_hbox;
810         Gtk::HBox           bottom_hbox;
811         
812         Gtk::Table          edit_packer;
813         Gtk::VScrollbar     edit_vscrollbar;
814
815         Gtk::Adjustment     vertical_adjustment;
816         Gtk::Adjustment     horizontal_adjustment;
817
818         Gtk::Layout         controls_layout;
819         bool control_layout_scroll (GdkEventScroll* ev);
820         void controls_layout_size_request (Gtk::Requisition*);
821         sigc::connection controls_layout_size_request_connection;
822
823         Gtk::HScrollbar     edit_hscrollbar;
824         bool                _dragging_hscrollbar;
825
826         void reset_hscrollbar_stepping ();
827         
828         bool hscrollbar_button_press (GdkEventButton*);
829         bool hscrollbar_button_release (GdkEventButton*);
830         void hscrollbar_allocate (Gtk::Allocation &alloc);
831
832         double canvas_width;
833         double canvas_height;
834         double full_canvas_height;
835
836         bool track_canvas_map_handler (GdkEventAny*);
837
838         gint edit_controls_button_release (GdkEventButton*);
839         Gtk::Menu *edit_controls_left_menu;
840         Gtk::Menu *edit_controls_right_menu;
841
842         Gtk::VBox           ruler_label_vbox;
843         Gtk::VBox           track_canvas_vbox;
844         Gtk::VBox           time_canvas_vbox;
845         Gtk::VBox           edit_controls_vbox;
846         Gtk::HBox           edit_controls_hbox;
847
848         void control_scroll (float);
849         void access_action (std::string,std::string);
850         bool deferred_control_scroll (nframes64_t);
851         sigc::connection control_scroll_connection;
852
853         gdouble get_trackview_group_vertical_offset () const { return vertical_adjustment.get_value () - canvas_timebars_vsize;}
854         
855         ArdourCanvas::Group* get_background_group () const { return _background_group; }
856         ArdourCanvas::Group* get_trackview_group () const { return _trackview_group; }
857         double last_trackview_group_vertical_offset;
858         void tie_vertical_scrolling ();
859         void scroll_canvas_horizontally ();
860         void scroll_canvas_vertically ();
861         void canvas_horizontally_scrolled ();
862         void canvas_scroll_to (nframes64_t);
863
864         struct VisualChange {
865             enum Type { 
866                     TimeOrigin = 0x1,
867                     ZoomLevel = 0x2
868             };
869
870             Type pending;
871             nframes64_t time_origin;
872             double frames_per_unit;
873
874             int idle_handler_id;
875
876             VisualChange() : pending ((VisualChange::Type) 0), time_origin (0), frames_per_unit (0), idle_handler_id (-1) {}
877         };
878
879
880         VisualChange pending_visual_change;
881
882         static int _idle_visual_changer (void *arg);
883         int idle_visual_changer ();
884
885         void queue_visual_change (nframes64_t);
886         void queue_visual_change (double);
887
888         void end_location_changed (ARDOUR::Location*);
889
890         struct RegionListDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
891             RegionListDisplayModelColumns() {
892                     add (name);
893                     add (region);
894                     add (color_);
895             }
896             Gtk::TreeModelColumn<Glib::ustring> name;
897             Gtk::TreeModelColumn<boost::shared_ptr<ARDOUR::Region> > region;
898             Gtk::TreeModelColumn<Gdk::Color> color_;
899         };
900             
901         RegionListDisplayModelColumns          region_list_columns;
902         Gtkmm2ext::DnDTreeView<boost::shared_ptr<ARDOUR::Region> > region_list_display;
903         
904         Glib::RefPtr<Gtk::TreeStore>           region_list_model;
905         Glib::RefPtr<Gtk::ToggleAction>        toggle_full_region_list_action;
906         Glib::RefPtr<Gtk::ToggleAction>        toggle_show_auto_regions_action;
907
908         void region_list_selection_changed ();
909         bool region_list_selection_filter (const Glib::RefPtr<Gtk::TreeModel>& model, const Gtk::TreeModel::Path& path, bool yn);
910         void region_name_edit (const Glib::ustring&, const Glib::ustring&);
911         void get_regions_corresponding_to (boost::shared_ptr<ARDOUR::Region> region, std::vector<RegionView*>& regions);
912
913         Gtk::Menu          *region_list_menu;
914         Gtk::ScrolledWindow region_list_scroller;
915         Gtk::Frame          region_list_frame;
916
917         bool region_list_display_key_press (GdkEventKey *);
918         bool region_list_display_key_release (GdkEventKey *);
919         bool region_list_display_button_press (GdkEventButton *);
920         bool region_list_display_button_release (GdkEventButton *);
921         void region_list_clear ();
922         void region_list_selection_mapover (sigc::slot<void,boost::shared_ptr<ARDOUR::Region> >);
923         void build_region_list_menu ();
924         void show_region_list_display_context_menu (int button, int time);
925
926         bool show_automatic_regions_in_region_list;
927         Editing::RegionListSortType region_list_sort_type;
928
929         void reset_region_list_sort_direction (bool);
930         void reset_region_list_sort_type (Editing::RegionListSortType);
931
932         void toggle_full_region_list ();
933         void toggle_show_auto_regions ();
934
935         int region_list_sorter (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
936
937         /* snapshots */
938
939         Gtk::ScrolledWindow      snapshot_display_scroller;
940         struct SnapshotDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
941             SnapshotDisplayModelColumns() { 
942                     add (visible_name);
943                     add (real_name);
944             }
945             Gtk::TreeModelColumn<Glib::ustring> visible_name;
946             Gtk::TreeModelColumn<Glib::ustring> real_name;
947         };
948
949         SnapshotDisplayModelColumns snapshot_display_columns;
950         Glib::RefPtr<Gtk::ListStore> snapshot_display_model;
951         Gtk::TreeView snapshot_display;
952         Gtk::Menu snapshot_context_menu;
953
954         bool snapshot_display_button_press (GdkEventButton*);
955         void snapshot_display_selection_changed ();
956         void redisplay_snapshots();
957         void popup_snapshot_context_menu (int, int32_t, Glib::ustring);
958
959         /* named selections */
960
961         struct NamedSelectionDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
962             NamedSelectionDisplayModelColumns() { 
963                     add (text);
964                     add (selection);
965             }
966             Gtk::TreeModelColumn<Glib::ustring>  text;
967             Gtk::TreeModelColumn<ARDOUR::NamedSelection*>    selection;
968         };
969
970         NamedSelectionDisplayModelColumns named_selection_columns;
971         Glib::RefPtr<Gtk::TreeStore>     named_selection_model;
972
973         Gtkmm2ext::DnDTreeView<ARDOUR::NamedSelection*> named_selection_display;
974         Gtk::ScrolledWindow    named_selection_scroller;
975
976         void create_named_selection ();
977         void paste_named_selection (float times);
978         void remove_selected_named_selections ();
979         void remove_snapshot (Glib::ustring);
980         void rename_snapshot (Glib::ustring);
981
982         void handle_new_named_selection ();
983         void add_named_selection_to_named_selection_display (ARDOUR::NamedSelection&);
984         void redisplay_named_selections ();
985
986         bool named_selection_display_button_release (GdkEventButton *ev);
987         bool named_selection_display_key_release (GdkEventKey *ev);
988         void named_selection_display_selection_changed ();
989
990         /* track views */
991         TrackViewList  track_views;
992         TimeAxisView     *trackview_by_y_position (double ypos);
993
994         static Gdk::Cursor* cross_hair_cursor;
995         static Gdk::Cursor* trimmer_cursor;
996         static Gdk::Cursor* selector_cursor;
997         static Gdk::Cursor* grabber_cursor;
998         static Gdk::Cursor* grabber_edit_point_cursor;
999         static Gdk::Cursor* zoom_cursor;
1000         static Gdk::Cursor* time_fx_cursor;
1001         static Gdk::Cursor* fader_cursor;
1002         static Gdk::Cursor* speaker_cursor;
1003         static Gdk::Cursor* wait_cursor;
1004         static Gdk::Cursor* timebar_cursor;
1005         static Gdk::Cursor* transparent_cursor;
1006
1007         static void build_cursors ();
1008
1009         sigc::connection scroll_connection;
1010         nframes64_t last_update_frame;
1011         void center_screen (nframes64_t);
1012         void center_screen_internal (nframes64_t, float);
1013         
1014         void update_current_screen ();
1015         
1016         void session_going_away ();
1017
1018         nframes64_t cut_buffer_start;
1019         nframes64_t cut_buffer_length;
1020
1021         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
1022         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1023         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1024         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, ItemType, bool from_autoscroll = false);
1025         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1026         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
1027         
1028         /* KEYMAP HANDLING */
1029
1030         void register_actions ();
1031
1032         int ensure_cursor (nframes64_t* pos);
1033
1034         void handle_new_audio_region (boost::weak_ptr<ARDOUR::AudioRegion>);
1035         void handle_new_audio_regions (vector<boost::weak_ptr<ARDOUR::AudioRegion> >& );
1036         void handle_audio_region_removed (boost::weak_ptr<ARDOUR::AudioRegion>);
1037         void add_audio_region_to_region_display (boost::shared_ptr<ARDOUR::AudioRegion>);
1038         void add_audio_regions_to_region_display (std::vector<boost::weak_ptr<ARDOUR::AudioRegion> > & );
1039         void region_hidden (boost::shared_ptr<ARDOUR::Region>);
1040         void redisplay_regions ();
1041         bool no_region_list_redisplay;
1042         void insert_into_tmp_audio_regionlist(boost::shared_ptr<ARDOUR::AudioRegion>);
1043
1044         list<boost::shared_ptr<ARDOUR::AudioRegion> > tmp_audio_region_list;
1045
1046         void cut_copy (Editing::CutCopyOp);
1047         void cut_copy_points (Editing::CutCopyOp);
1048         void cut_copy_regions (Editing::CutCopyOp, RegionSelection&);
1049         void cut_copy_ranges (Editing::CutCopyOp);
1050
1051         void mouse_paste ();
1052         void paste_internal (nframes64_t position, float times);
1053
1054         /* EDITING OPERATIONS */
1055         
1056         void reset_point_selection ();
1057         void toggle_region_mute ();
1058         void toggle_region_lock ();
1059         void toggle_region_opaque ();
1060         void toggle_record_enable ();
1061         void set_region_lock_style (ARDOUR::Region::PositionLockStyle);
1062         void raise_region ();
1063         void raise_region_to_top ();
1064         void lower_region ();
1065         void lower_region_to_bottom ();
1066         void split_region ();
1067         void split_region_at (nframes64_t);
1068         void split_regions_at (nframes64_t, RegionSelection&);
1069         void split_region_at_transients ();
1070         void split_region_at_points (boost::shared_ptr<ARDOUR::Region>, ARDOUR::AnalysisFeatureList&, bool can_ferret);
1071         void crop_region_to_selection ();
1072         void crop_region_to (nframes64_t start, nframes64_t end);
1073         void set_sync_point (nframes64_t, const RegionSelection&);
1074         void set_region_sync_from_edit_point ();
1075         void remove_region_sync();
1076         void align_selection (ARDOUR::RegionPoint, nframes64_t position, const RegionSelection&);
1077         void align_selection_relative (ARDOUR::RegionPoint point, nframes64_t position, const RegionSelection&);
1078         void align_region (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, nframes64_t position);
1079         void align_region_internal (boost::shared_ptr<ARDOUR::Region>, ARDOUR::RegionPoint point, nframes64_t position);
1080         void remove_region ();
1081         void remove_clicked_region ();
1082         void edit_region ();
1083         void rename_region ();
1084         void duplicate_some_regions (RegionSelection&, float times);
1085         void duplicate_selection (float times);
1086         void region_fill_selection ();
1087
1088         void region_fill_track ();
1089         void audition_playlist_region_standalone (boost::shared_ptr<ARDOUR::Region>);
1090         void audition_playlist_region_via_route (boost::shared_ptr<ARDOUR::Region>, ARDOUR::Route&);
1091         void split_multichannel_region();
1092         void reverse_region ();
1093         void normalize_region ();
1094         void denormalize_region ();
1095         void adjust_region_scale_amplitude (bool up);
1096
1097         void do_insert_time ();
1098         void insert_time (nframes64_t pos, nframes64_t distance, Editing::InsertTimeOption opt, bool ignore_music_glue, bool markers_too);
1099
1100         void tab_to_transient (bool forward);
1101
1102         void use_region_as_bar ();
1103         void use_range_as_bar ();
1104
1105         void define_one_bar (nframes64_t start, nframes64_t end);
1106
1107         void audition_region_from_region_list ();
1108         void hide_region_from_region_list ();
1109         void remove_region_from_region_list ();
1110
1111         void align (ARDOUR::RegionPoint);
1112         void align_relative (ARDOUR::RegionPoint);
1113         void naturalize ();
1114
1115         void reset_focus ();
1116
1117         void split ();
1118
1119         void cut ();
1120         void copy ();
1121         void paste (float times);
1122
1123         int  get_prefix (float&, bool&);
1124
1125         void keyboard_paste ();
1126         void keyboard_insert_region_list_selection ();
1127
1128         void region_from_selection ();
1129         void create_region_from_selection (std::vector<boost::shared_ptr<ARDOUR::AudioRegion> >&);
1130
1131         void play_from_start ();
1132         void play_from_edit_point ();
1133         void play_from_edit_point_and_return ();
1134         void play_selected_region ();
1135         void play_edit_range ();
1136         void loop_selected_region ();
1137         void play_location (ARDOUR::Location&);
1138         void loop_location (ARDOUR::Location&);
1139
1140         void temporal_zoom_selection ();
1141         void temporal_zoom_region (bool both_axes);
1142         void toggle_zoom_region (bool both_axes);
1143         bool zoomed_to_region;
1144         void temporal_zoom_session ();
1145         void temporal_zoom (gdouble scale);
1146         void temporal_zoom_by_frame (nframes64_t start, nframes64_t end, const string & op);
1147         void temporal_zoom_to_frame (bool coarser, nframes64_t frame);
1148
1149         void amplitude_zoom (gdouble scale);
1150         void amplitude_zoom_step (bool in);
1151
1152         void insert_region_list_drag (boost::shared_ptr<ARDOUR::AudioRegion>, int x, int y);
1153         void insert_region_list_selection (float times);
1154
1155         void add_external_audio_action (Editing::ImportMode);
1156         void external_audio_dialog ();
1157
1158         int  check_whether_and_how_to_import(string, bool all_or_nothing = true);
1159         bool check_multichannel_status (const std::vector<Glib::ustring>& paths);
1160
1161         SoundFileOmega* sfbrowser;
1162         
1163         void bring_in_external_audio (Editing::ImportMode mode,  nframes64_t& pos);
1164
1165         bool  idle_drop_paths  (const Glib::RefPtr<Gdk::DragContext>& context,
1166                                 gint                x,
1167                                 gint                y,
1168                                 const Gtk::SelectionData& data,
1169                                 guint               info,
1170                                 guint               time);
1171
1172         void  _drop_paths  (const Glib::RefPtr<Gdk::DragContext>& context,
1173                                 gint                x,
1174                                 gint                y,
1175                                 const Gtk::SelectionData& data,
1176                                 guint               info,
1177                                 guint               time);
1178
1179         void _do_import (vector<Glib::ustring> paths, Editing::ImportDisposition, Editing::ImportMode mode, ARDOUR::SrcQuality, nframes64_t&);
1180         void do_import (vector<Glib::ustring> paths, Editing::ImportDisposition, Editing::ImportMode mode, ARDOUR::SrcQuality, nframes64_t&);
1181         bool idle_do_import (vector<Glib::ustring> paths, Editing::ImportDisposition, Editing::ImportMode mode, ARDOUR::SrcQuality, nframes64_t&);
1182
1183         void _do_embed (vector<Glib::ustring> paths, Editing::ImportDisposition, Editing::ImportMode mode,  nframes64_t&);
1184         void do_embed (vector<Glib::ustring> paths, Editing::ImportDisposition, Editing::ImportMode mode,  nframes64_t&);
1185         bool idle_do_embed (vector<Glib::ustring> paths, Editing::ImportDisposition, Editing::ImportMode mode,  nframes64_t&);
1186
1187         int  import_sndfiles (vector<Glib::ustring> paths, Editing::ImportMode mode,  ARDOUR::SrcQuality, nframes64_t& pos,
1188                               int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::AudioTrack>&, bool);
1189         int  embed_sndfiles (vector<Glib::ustring> paths, bool multiple_files, bool& check_sample_rate, Editing::ImportMode mode, 
1190                              nframes64_t& pos, int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::AudioTrack>&);
1191
1192         int add_sources (vector<Glib::ustring> paths, ARDOUR::SourceList& sources, nframes64_t& pos, Editing::ImportMode,
1193                          int target_regions, int target_tracks, boost::shared_ptr<ARDOUR::AudioTrack>&, bool add_channel_suffix);
1194         int finish_bringing_in_audio (boost::shared_ptr<ARDOUR::AudioRegion> region, uint32_t, uint32_t,  nframes64_t& pos, Editing::ImportMode mode,
1195                                       boost::shared_ptr<ARDOUR::AudioTrack>& existing_track);
1196
1197         boost::shared_ptr<ARDOUR::AudioTrack> get_nth_selected_audio_track (int nth) const;
1198
1199         /* generic interthread progress window */
1200         
1201         ArdourDialog* interthread_progress_window;
1202         Gtk::Label interthread_progress_label;
1203         Gtk::VBox interthread_progress_vbox;
1204         Gtk::ProgressBar interthread_progress_bar;
1205         Gtk::Button interthread_cancel_button;
1206         Gtk::Label interthread_cancel_label;
1207         sigc::connection  interthread_progress_connection;
1208         void interthread_cancel_clicked ();
1209         void build_interthread_progress_window ();
1210         ARDOUR::InterThreadInfo* current_interthread_info;
1211
1212 #ifdef FFT_ANALYSIS
1213         AnalysisWindow* analysis_window;
1214 #endif
1215
1216         /* import specific info */
1217
1218         ARDOUR::Session::import_status import_status;
1219         gint import_progress_timeout (void *);
1220         static void *_import_thread (void *);
1221         void* import_thread ();
1222
1223         /* to support this ... */
1224
1225         void import_audio (bool as_tracks);
1226         void do_import (vector<Glib::ustring> paths, bool split, bool as_tracks);
1227
1228         void move_to_start ();
1229         void move_to_end ();
1230         void goto_frame ();
1231         void center_playhead ();
1232         void center_edit_point ();
1233         void edit_cursor_backward ();
1234         void edit_cursor_forward ();
1235         void playhead_forward_to_grid ();
1236         void playhead_backward_to_grid ();
1237         void playhead_backward ();
1238         void playhead_forward ();
1239         void scroll_playhead (bool forward);
1240         void scroll_backward (float pages=0.8f);
1241         void scroll_forward (float pages=0.8f);
1242         void scroll_tracks_down ();
1243         void scroll_tracks_up ();
1244         void delete_sample_forward ();
1245         void delete_sample_backward ();
1246         void delete_screen ();
1247         void search_backwards ();
1248         void search_forwards ();
1249         void set_mark ();
1250         void clear_markers ();
1251         void clear_ranges ();
1252         void clear_locations ();
1253         void unhide_markers ();
1254         void unhide_ranges ();
1255         void jump_forward_to_mark ();
1256         void jump_backward_to_mark ();
1257         void cursor_align (bool playhead_to_edit);
1258
1259         void remove_last_capture ();
1260         void select_all_selectables_using_time_selection ();
1261         void select_all_selectables_using_loop();
1262         void select_all_selectables_using_punch();
1263         void set_selection_from_range (ARDOUR::Location&);
1264         void set_selection_from_punch ();
1265         void set_selection_from_loop ();
1266         void set_selection_from_audio_region ();
1267
1268         void add_location_mark (nframes64_t where);
1269         void add_location_from_audio_region ();
1270         void add_location_from_selection ();
1271         void set_loop_from_selection (bool play);
1272         void set_punch_from_selection ();
1273         void set_punch_from_region ();
1274
1275         void set_loop_from_edit_range (bool play);
1276         void set_loop_from_region (bool play);
1277         void set_punch_from_edit_range ();
1278
1279         void set_loop_range (nframes64_t start, nframes64_t end, std::string cmd);
1280         void set_punch_range (nframes64_t start, nframes64_t end, std::string cmd);
1281
1282         void add_location_from_playhead_cursor ();
1283         bool select_new_marker;
1284
1285         void reverse_selection ();
1286         void edit_envelope ();
1287
1288         void start_scrolling ();
1289         void stop_scrolling ();
1290
1291         bool _scrubbing;
1292         double last_scrub_x;
1293         int scrubbing_direction;
1294         int scrub_reversals;
1295         int scrub_reverse_distance;
1296         void scrub ();
1297
1298         void keyboard_selection_begin ();
1299         void keyboard_selection_finish (bool add);
1300         bool have_pending_keyboard_selection;
1301         nframes64_t pending_keyboard_selection_start;
1302
1303         boost::shared_ptr<ARDOUR::Region> select_region_for_operation (int dir, TimeAxisView **tv);
1304         void extend_selection_to_end_of_region (bool next);
1305         void extend_selection_to_start_of_region (bool previous);
1306
1307         Editing::SnapType snap_type;
1308         Editing::SnapMode snap_mode;
1309         double snap_threshold;
1310
1311         void handle_gui_changes (const string &, void *);
1312
1313         void    hide_all_tracks (bool with_select);
1314
1315         DragInfo drag_info;
1316         LineDragInfo current_line_drag_info;
1317
1318         void start_grab (GdkEvent*, Gdk::Cursor* cursor = 0);
1319         bool end_grab (ArdourCanvas::Item*, GdkEvent*);
1320         void swap_grab (ArdourCanvas::Item*, Gdk::Cursor* cursor, uint32_t time);
1321         void break_drag ();
1322         void finalize_drag ();
1323
1324         Gtk::Menu fade_context_menu;
1325         void popup_fade_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1326
1327         void region_gain_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1328
1329         void start_fade_in_grab (ArdourCanvas::Item*, GdkEvent*);
1330         void start_fade_out_grab (ArdourCanvas::Item*, GdkEvent*);
1331         void fade_in_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1332         void fade_out_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1333         void fade_in_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1334         void fade_out_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1335
1336         void set_fade_in_shape (ARDOUR::AudioRegion::FadeShape);
1337         void set_fade_out_shape (ARDOUR::AudioRegion::FadeShape);
1338         
1339         void set_fade_length (bool in);
1340         void toggle_fade_active (bool in);
1341         void set_fade_in_active (bool);
1342         void set_fade_out_active (bool);
1343         
1344         std::set<boost::shared_ptr<ARDOUR::Playlist> > motion_frozen_playlists;
1345         RegionSelection pre_drag_region_selection;
1346         void region_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1347         void region_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1348         bool check_region_drag_possible (AudioTimeAxisView**);
1349         void possibly_copy_regions_during_grab (GdkEvent*);
1350         void region_drag_splice_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1351         void region_drag_splice_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1352
1353         bool _dragging_playhead;
1354         bool _dragging_edit_point;
1355
1356         void cursor_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1357         void cursor_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1358         void cursor_drag_finished_ensure_locate_callback (ArdourCanvas::Item*, GdkEvent*);
1359         void marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1360         void marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1361         void control_point_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1362         void control_point_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1363         void line_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1364         void line_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1365
1366         void tempo_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1367         void tempo_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1368         void meter_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1369         void meter_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1370
1371         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1372
1373         void start_region_grab (ArdourCanvas::Item*, GdkEvent*);
1374         void start_region_copy_grab (ArdourCanvas::Item*, GdkEvent*);
1375         void start_region_brush_grab (ArdourCanvas::Item*, GdkEvent*);
1376         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1377         void start_cursor_grab (ArdourCanvas::Item*, GdkEvent*);
1378         void start_cursor_grab_no_stop (ArdourCanvas::Item*, GdkEvent*);
1379         void start_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1380         void start_control_point_grab (ArdourCanvas::Item*, GdkEvent*);
1381         void start_line_grab_from_regionview (ArdourCanvas::Item*, GdkEvent*);
1382         void start_line_grab_from_line (ArdourCanvas::Item*, GdkEvent*);
1383         void start_line_grab (AutomationLine *, GdkEvent*);
1384         void start_tempo_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1385         void start_tempo_marker_copy_grab (ArdourCanvas::Item*, GdkEvent*);
1386         void start_meter_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1387         void start_meter_marker_copy_grab (ArdourCanvas::Item*, GdkEvent*);
1388
1389         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1390
1391         void remove_gain_control_point (ArdourCanvas::Item*, GdkEvent*);
1392         void remove_control_point (ArdourCanvas::Item*, GdkEvent*);
1393
1394         void mouse_brush_insert_region (RegionView*, nframes64_t pos);
1395         void brush (nframes64_t);
1396
1397         void show_verbose_time_cursor (nframes64_t frame, double offset = 0, double xpos=-1, double ypos=-1);
1398         void show_verbose_duration_cursor (nframes64_t start, nframes64_t end, double offset = 0, double xpos=-1, double ypos=-1);
1399         double clamp_verbose_cursor_x (double);
1400         double clamp_verbose_cursor_y (double);
1401
1402         /* Canvas event handlers */
1403
1404         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1405         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1406         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1407         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1408         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1409         bool canvas_crossfade_view_event (GdkEvent* event,ArdourCanvas::Item*, CrossfadeView*);
1410         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1411         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1412         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1413         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1414         
1415
1416         // These variables are used to detect a feedback loop and break it to avoid a gui hang
1417 private:
1418         ArdourCanvas::Item *last_item_entered;
1419         int last_item_entered_n;
1420 public:
1421
1422         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1423         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1424         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*);
1425         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*);
1426         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*);
1427         bool canvas_zoom_rect_event (GdkEvent* event,ArdourCanvas::Item*);
1428         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1429         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1430         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) ;
1431
1432         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1433         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1434         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1435         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1436         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1437         bool canvas_cd_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1438
1439         bool canvas_imageframe_item_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1440         bool canvas_imageframe_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameTimeAxis*);
1441         bool canvas_imageframe_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1442         bool canvas_imageframe_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1443         bool canvas_marker_time_axis_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerTimeAxis*);
1444         bool canvas_markerview_item_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1445         bool canvas_markerview_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1446         bool canvas_markerview_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1447
1448         /* non-public event handlers */
1449
1450         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1451         bool track_canvas_scroll (GdkEventScroll* event);
1452
1453         bool track_canvas_scroll_event (GdkEventScroll* event);
1454         bool track_canvas_button_press_event (GdkEventButton* event);
1455         bool track_canvas_button_release_event (GdkEventButton* event);
1456         bool track_canvas_motion_notify_event (GdkEventMotion* event);
1457
1458         Gtk::Allocation canvas_allocation;
1459         void track_canvas_allocate (Gtk::Allocation alloc);
1460         bool track_canvas_size_allocated ();
1461
1462         void set_playhead_cursor ();
1463
1464         void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
1465         void kbd_mute_unmute_region ();
1466         void kbd_brush ();
1467
1468         void kbd_do_brush (GdkEvent*);
1469         void kbd_do_audition (GdkEvent*);
1470
1471         void handle_new_duration ();
1472         void initialize_canvas ();
1473
1474         /* display control */
1475         
1476         bool _show_measures;
1477         bool _show_waveforms;
1478         bool _follow_playhead;
1479         bool _show_waveforms_recording;
1480         
1481         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1482         
1483         TempoLines* tempo_lines;
1484         
1485         ArdourCanvas::Group* time_line_group;
1486         ArdourCanvas::SimpleLine* get_time_line ();
1487         void hide_measures ();
1488         void draw_measures ();
1489         bool redraw_measures ();
1490
1491         void new_tempo_section ();
1492
1493         void mouse_add_new_tempo_event (nframes64_t where);
1494         void mouse_add_new_meter_event (nframes64_t where);
1495
1496         void remove_tempo_marker (ArdourCanvas::Item*);
1497         void remove_meter_marker (ArdourCanvas::Item*);
1498         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1499         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1500         
1501         void edit_tempo_section (ARDOUR::TempoSection*);
1502         void edit_meter_section (ARDOUR::MeterSection*);
1503         void edit_tempo_marker (ArdourCanvas::Item*);
1504         void edit_meter_marker (ArdourCanvas::Item*);
1505         
1506         void marker_menu_edit ();
1507         void marker_menu_remove ();
1508         void marker_menu_rename ();
1509         void marker_menu_lock (bool yn);
1510         void marker_menu_hide ();
1511         void marker_menu_loop_range ();
1512         void marker_menu_select_all_selectables_using_range ();
1513         void marker_menu_select_using_range ();
1514         void marker_menu_separate_regions_using_location ();
1515         void marker_menu_play_from ();
1516         void marker_menu_play_range ();
1517         void marker_menu_set_playhead ();
1518         void marker_menu_set_from_playhead ();
1519         void marker_menu_set_from_selection ();
1520         void marker_menu_range_to_next ();
1521         void marker_menu_export_range ();
1522         void new_transport_marker_menu_set_loop ();
1523         void new_transport_marker_menu_set_punch ();
1524         void update_loop_range_view (bool visibility=false);
1525         void update_punch_range_view (bool visibility=false);
1526         void new_transport_marker_menu_popdown ();
1527         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1528         void tm_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1529         void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1530         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1531         void build_range_marker_menu (bool loop_or_punch);
1532         void build_marker_menu (bool start_or_end);
1533         void build_tm_marker_menu ();
1534         void build_new_transport_marker_menu ();
1535
1536         Gtk::Menu* tm_marker_menu;
1537         Gtk::Menu* marker_menu;
1538         Gtk::Menu* start_end_marker_menu;
1539         Gtk::Menu* range_marker_menu;
1540         Gtk::Menu* transport_marker_menu;
1541         Gtk::Menu* new_transport_marker_menu;
1542         Gtk::Menu* cd_marker_menu;
1543         ArdourCanvas::Item* marker_menu_item;
1544
1545         typedef list<Marker*> Marks;
1546         Marks metric_marks;
1547
1548         void remove_metric_marks ();
1549         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1550
1551         void compute_current_bbt_points (nframes_t left, nframes_t right);
1552         void tempo_map_changed (ARDOUR::Change);
1553         void redisplay_tempo (bool immediate_redraw);
1554         
1555         void snap_to (nframes64_t& first, int32_t direction = 0, bool for_mark = false);
1556
1557         uint32_t bbt_beat_subdivision;
1558
1559         /* toolbar */
1560
1561         void editor_mixer_button_toggled ();
1562
1563         AudioClock               edit_point_clock;
1564         AudioClock               zoom_range_clock;
1565         Gtk::Button              zoom_in_button;
1566         Gtk::Button              zoom_out_button;
1567         Gtk::Button              zoom_out_full_button;
1568         Gtk::Button              zoom_onetoone_button;
1569
1570         Gtk::VBox                toolbar_clock_vbox;
1571         Gtk::VBox                toolbar_selection_clock_vbox; 
1572         Gtk::Table               toolbar_selection_clock_table;
1573         Gtk::Label               toolbar_selection_cursor_label;
1574         
1575         Gtk::HBox                mouse_mode_button_box;
1576         Gtkmm2ext::TearOff*      mouse_mode_tearoff;
1577         Gtk::ToggleButton        mouse_select_button;
1578         Gtk::ToggleButton        mouse_move_button;
1579         Gtk::ToggleButton        mouse_gain_button;
1580         Gtk::ToggleButton        mouse_zoom_button;
1581         Gtk::ToggleButton        mouse_timefx_button;
1582         Gtk::ToggleButton        mouse_audition_button;
1583         GroupedButtons          *mouse_mode_button_set;
1584         void                     mouse_mode_toggled (Editing::MouseMode m);
1585         bool                     ignore_mouse_mode_toggle;
1586
1587         gint                     mouse_select_button_release (GdkEventButton*);
1588
1589         Gtk::VBox                automation_box;
1590         Gtk::Button              automation_mode_button;
1591         Gtk::ToggleButton        global_automation_button;
1592
1593         Gtk::ComboBoxText edit_mode_selector;
1594         Gtk::VBox         edit_mode_box;
1595
1596         void set_edit_mode (ARDOUR::EditMode);
1597         void cycle_edit_mode ();
1598         void edit_mode_selection_done ();
1599
1600         Gtk::ComboBoxText snap_type_selector;
1601         Gtk::ComboBoxText snap_mode_selector;
1602         Gtk::HBox         snap_box;
1603
1604         std::vector<std::string> snap_type_strings;
1605         std::vector<std::string> snap_mode_strings;
1606
1607         void snap_type_selection_done ();
1608         void snap_mode_selection_done ();
1609         void snap_mode_chosen (Editing::SnapMode);
1610         void snap_type_chosen (Editing::SnapType);
1611
1612         Glib::RefPtr<Gtk::RadioAction> snap_type_action (Editing::SnapType);
1613         Glib::RefPtr<Gtk::RadioAction> snap_mode_action (Editing::SnapMode);
1614
1615         Gtk::ComboBoxText zoom_focus_selector;
1616         Gtk::VBox         zoom_focus_box;
1617
1618         std::vector<std::string> zoom_focus_strings;
1619         
1620         void zoom_focus_selection_done ();
1621         void zoom_focus_chosen (Editing::ZoomFocus);
1622
1623         Glib::RefPtr<Gtk::RadioAction> zoom_focus_action (Editing::ZoomFocus);
1624
1625         Gtk::HBox           zoom_box;
1626
1627         void                zoom_adjustment_changed();
1628
1629         void                edit_point_clock_changed();
1630         
1631         void setup_toolbar ();
1632
1633         Gtkmm2ext::TearOff*       tools_tearoff;
1634         Gtk::HBox                toolbar_hbox;
1635         Gtk::EventBox            toolbar_base;
1636         Gtk::Frame               toolbar_frame;
1637
1638         /* selection process */
1639
1640         Selection* selection;
1641         Selection* cut_buffer;
1642
1643         void time_selection_changed ();
1644         void track_selection_changed ();
1645         void region_selection_changed ();
1646         void sensitize_the_right_region_actions (bool have_selected_regions);
1647         void point_selection_changed ();
1648         void marker_selection_changed ();
1649
1650         enum SelectionOp {
1651                 CreateSelection,
1652                 SelectionStartTrim,
1653                 SelectionEndTrim,
1654                 SelectionMove
1655         } selection_op;
1656
1657         void start_selection_op (ArdourCanvas::Item* item, GdkEvent* event, SelectionOp);
1658         void drag_selection (ArdourCanvas::Item* item, GdkEvent* event);
1659         void end_selection_op (ArdourCanvas::Item* item, GdkEvent* event);
1660         void cancel_selection ();
1661
1662         void region_selection_op (void (ARDOUR::Region::*pmf)(void));
1663         void region_selection_op (void (ARDOUR::Region::*pmf)(void*), void*);
1664         void region_selection_op (void (ARDOUR::Region::*pmf)(bool), bool);
1665
1666         bool audio_region_selection_covers (nframes64_t where);
1667
1668         /* transport range select process */
1669         enum RangeMarkerOp {
1670                 CreateRangeMarker,
1671                 CreateTransportMarker,
1672                 CreateCDMarker
1673         } range_marker_op;
1674
1675         void start_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event, RangeMarkerOp);
1676         void drag_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
1677         void end_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
1678
1679         ArdourCanvas::SimpleRect*  cd_marker_bar_drag_rect;
1680         ArdourCanvas::SimpleRect*  range_bar_drag_rect;
1681         ArdourCanvas::SimpleRect*  transport_bar_drag_rect;
1682         ArdourCanvas::Line*        marker_drag_line;
1683         ArdourCanvas::Points       marker_drag_line_points;
1684         ArdourCanvas::SimpleRect*  range_marker_drag_rect;
1685
1686         void update_marker_drag_item (ARDOUR::Location *);
1687 #ifdef GTKOSX
1688         ArdourCanvas::SimpleRect     *bogus_background_rect;
1689 #endif
1690         ArdourCanvas::SimpleRect     *transport_bar_range_rect;
1691         ArdourCanvas::SimpleRect     *transport_bar_preroll_rect;
1692         ArdourCanvas::SimpleRect     *transport_bar_postroll_rect;
1693         ArdourCanvas::SimpleRect     *transport_loop_range_rect;
1694         ArdourCanvas::SimpleRect     *transport_punch_range_rect;
1695         ArdourCanvas::SimpleLine     *transport_punchin_line;
1696         ArdourCanvas::SimpleLine     *transport_punchout_line;
1697         ArdourCanvas::SimpleRect     *transport_preroll_rect;
1698         ArdourCanvas::SimpleRect     *transport_postroll_rect;
1699
1700         ARDOUR::Location*  transport_loop_location();
1701         ARDOUR::Location*  transport_punch_location();
1702
1703         ARDOUR::Location   *temp_location;
1704         
1705         /* object rubberband select process */
1706         
1707         void start_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1708         void drag_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1709         void end_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1710
1711         bool select_all_within (nframes64_t start, nframes64_t end, gdouble topy, gdouble boty, const TrackViewList&, Selection::Operation op);
1712         
1713         ArdourCanvas::SimpleRect   *rubberband_rect;
1714         
1715         /* mouse zoom process */
1716
1717         void start_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1718         void drag_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1719         void end_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1720
1721         ArdourCanvas::SimpleRect   *zoom_rect;
1722         void reposition_zoom_rect (nframes64_t start, nframes64_t end);
1723         
1724         /* diskstream/route display management */
1725
1726         struct RouteDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
1727             RouteDisplayModelColumns() { 
1728                     add (text);
1729                     add (visible);
1730                     add (temporary_visible);
1731                     add (tv);
1732                     add (route);
1733             }
1734             Gtk::TreeModelColumn<Glib::ustring>  text;
1735             Gtk::TreeModelColumn<bool>           visible;
1736             Gtk::TreeModelColumn<bool>           temporary_visible;
1737             Gtk::TreeModelColumn<TimeAxisView*>  tv;
1738             Gtk::TreeModelColumn<boost::shared_ptr<ARDOUR::Route> >  route;
1739         };
1740
1741         RouteDisplayModelColumns         route_display_columns;
1742         Glib::RefPtr<Gtk::ListStore>     route_display_model;
1743         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1744
1745         Gtkmm2ext::DnDTreeView<boost::shared_ptr<ARDOUR::Route> > route_list_display; 
1746         Gtk::ScrolledWindow                   route_list_scroller;
1747         Gtk::Menu*                            route_list_menu;
1748
1749         void update_route_visibility ();
1750
1751         void sync_order_keys (const char*);
1752         bool route_redisplay_does_not_sync_order_keys;
1753         bool route_redisplay_does_not_reset_order_keys;
1754
1755         bool route_list_display_button_press (GdkEventButton*);
1756         void route_list_display_drag_data_received  (const Glib::RefPtr<Gdk::DragContext>& context,
1757                                                      gint                x,
1758                                                      gint                y,
1759                                                      const Gtk::SelectionData& data,
1760                                                      guint               info,
1761                                                      guint               time);
1762
1763         bool route_list_selection_filter (const Glib::RefPtr<Gtk::TreeModel>& model, const Gtk::TreeModel::Path& path, bool yn);
1764
1765         void route_list_change (const Gtk::TreeModel::Path&,const Gtk::TreeModel::iterator&);
1766         void route_list_delete (const Gtk::TreeModel::Path&);
1767         void track_list_reorder (const Gtk::TreeModel::Path& path, const Gtk::TreeModel::iterator& iter, int* new_order);
1768
1769         void initial_route_list_display ();
1770         void redisplay_route_list();
1771         bool ignore_route_list_reorder;
1772         bool no_route_list_redisplay;
1773
1774         void build_route_list_menu ();
1775         void show_route_list_menu ();
1776
1777         void show_all_routes ();
1778         void hide_all_routes ();
1779         void show_all_audiotracks ();
1780         void hide_all_audiotracks ();
1781         void show_all_audiobus ();
1782         void hide_all_audiobus ();
1783
1784         void set_all_tracks_visibility (bool yn);
1785         void set_all_audio_visibility (int type, bool yn);
1786
1787         /* edit group management */
1788
1789         struct GroupListModelColumns : public Gtk::TreeModel::ColumnRecord {
1790                 GroupListModelColumns () {
1791                        add (is_active);
1792                        add (is_visible);
1793                        add (text);
1794                        add (routegroup);
1795                 }
1796                 Gtk::TreeModelColumn<bool> is_active;
1797                 Gtk::TreeModelColumn<bool> is_visible;
1798                 Gtk::TreeModelColumn<std::string> text;
1799                 Gtk::TreeModelColumn<ARDOUR::RouteGroup*>   routegroup;
1800         };
1801
1802         GroupListModelColumns group_columns;
1803         Glib::RefPtr<Gtk::ListStore> group_model;
1804         Glib::RefPtr<Gtk::TreeSelection> group_selection;
1805
1806         Gtk::TreeView          edit_group_display;
1807         Gtk::ScrolledWindow    edit_group_display_scroller;
1808         Gtk::Menu*             edit_group_list_menu;
1809
1810         void build_edit_group_list_menu ();
1811         void activate_all_edit_groups ();
1812         void disable_all_edit_groups ();
1813
1814         bool in_edit_group_row_change;
1815         void edit_group_row_change (const Gtk::TreeModel::Path&,const Gtk::TreeModel::iterator&);
1816         void edit_group_name_edit (const Glib::ustring&, const Glib::ustring&);
1817         void new_edit_group ();
1818         void edit_group_list_button_clicked ();
1819         gint edit_group_list_button_press_event (GdkEventButton* ev);
1820         void add_edit_group (ARDOUR::RouteGroup* group);
1821         void remove_selected_edit_group ();
1822         void edit_groups_changed ();
1823         void group_flags_changed (void*, ARDOUR::RouteGroup*);
1824
1825         Gtk::VBox           list_vpacker;
1826
1827         /* autoscrolling */
1828
1829         bool autoscroll_active;
1830         int autoscroll_timeout_tag;
1831         int autoscroll_x;
1832         int autoscroll_y;
1833         int last_autoscroll_x;
1834         int last_autoscroll_y;
1835         uint32_t autoscroll_cnt;
1836         nframes64_t autoscroll_x_distance;
1837         double autoscroll_y_distance;
1838
1839         static gint _autoscroll_canvas (void *);
1840         bool autoscroll_canvas ();
1841         void start_canvas_autoscroll (int x, int y);
1842         void stop_canvas_autoscroll ();
1843         void maybe_autoscroll (GdkEventMotion*);
1844         void maybe_autoscroll_horizontally (GdkEventMotion*);
1845         bool allow_vertical_scroll;
1846
1847         /* trimming */
1848         enum TrimOp {
1849                 StartTrim,
1850                 EndTrim,
1851                 ContentsTrim,
1852         } trim_op;
1853
1854         void start_trim (ArdourCanvas::Item*, GdkEvent*);
1855         void point_trim (GdkEvent*);
1856         void trim_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1857         void single_contents_trim (RegionView&, nframes64_t, bool, bool, bool);
1858         void single_start_trim (RegionView&, nframes64_t, bool, bool);
1859         void single_end_trim (RegionView&, nframes64_t, bool, bool);
1860
1861         void trim_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1862         void thaw_region_after_trim (RegionView& rv);
1863
1864         void trim_region_front();
1865         void trim_region_back();
1866         void trim_region (bool front);
1867
1868         void trim_region_to_edit_point ();
1869         void trim_region_from_edit_point ();
1870         void trim_region_to_loop ();
1871         void trim_region_to_punch ();
1872         void trim_region_to_location (const ARDOUR::Location&, const char* cmd);
1873
1874         bool show_gain_after_trim;
1875
1876         /* Drag-n-Drop */
1877
1878         int convert_drop_to_paths (std::vector<Glib::ustring>& paths,
1879                                    const Glib::RefPtr<Gdk::DragContext>& context,
1880                                    gint                x,
1881                                    gint                y,
1882                                    const Gtk::SelectionData& data,
1883                                    guint               info,
1884                                    guint               time);
1885
1886         void  track_canvas_drag_data_received  (const Glib::RefPtr<Gdk::DragContext>& context,
1887                                                 gint                x,
1888                                                 gint                y,
1889                                                 const Gtk::SelectionData& data,
1890                                                 guint               info,
1891                                                 guint               time);
1892         
1893         void  region_list_display_drag_data_received  (const Glib::RefPtr<Gdk::DragContext>& context,
1894                                                        gint                x,
1895                                                        gint                y,
1896                                                        const Gtk::SelectionData& data,
1897                                                        guint               info,
1898                                                        guint               time);
1899
1900         void  drop_paths  (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  drop_regions  (const Glib::RefPtr<Gdk::DragContext>& context,
1908                              gint                x,
1909                              gint                y,
1910                              const Gtk::SelectionData& data,
1911                              guint               info,
1912                              guint               time);
1913
1914         /* audio export */
1915
1916         ExportDialog *export_dialog;
1917         ExportDialog *export_range_markers_dialog;
1918         
1919         void export_range (nframes64_t start, nframes64_t end);
1920         void export_range_markers ();
1921
1922         int  write_region_selection(RegionSelection&);
1923         bool write_region (string path, boost::shared_ptr<ARDOUR::AudioRegion>);
1924         void export_region ();
1925         void bounce_region_selection ();
1926         void bounce_range_selection (bool replace);
1927         void external_edit_region ();
1928
1929         int write_audio_selection (TimeSelection&);
1930         bool write_audio_range (ARDOUR::AudioPlaylist&, uint32_t channels, list<ARDOUR::AudioRange>&);
1931
1932         void write_selection ();
1933
1934         /* history */
1935
1936         UndoAction get_memento() const;
1937
1938         XMLNode *before; /* used in *_reversible_command */
1939         void begin_reversible_command (string cmd_name);
1940         void commit_reversible_command ();
1941
1942         void update_title ();   
1943         void update_title_s (const string & snapshot_name);
1944
1945         struct State {
1946             Selection* selection;
1947             double     frames_per_unit;
1948
1949             State();
1950             ~State();
1951         };
1952
1953         void store_state (State&) const;
1954         void restore_state (State *);
1955
1956         void instant_save ();
1957
1958         boost::shared_ptr<ARDOUR::AudioRegion> last_audition_region;
1959         
1960         /* freeze operations */
1961
1962         ARDOUR::InterThreadInfo freeze_status;
1963         gint freeze_progress_timeout (void *);
1964         static void* _freeze_thread (void*);
1965         void* freeze_thread ();
1966
1967         void freeze_route ();
1968         void unfreeze_route ();
1969
1970         /* edit-group solo + mute */
1971
1972         void set_edit_group_solo (ARDOUR::Route&, bool);
1973         void set_edit_group_mute (ARDOUR::Route&, bool);
1974
1975         /* duplication */
1976
1977         void duplicate_dialog (bool with_dialog);
1978         
1979         nframes64_t event_frame (GdkEvent*, double* px = 0, double* py = 0) const;
1980
1981         /* returns false if mouse pointer is not in track or marker canvas
1982          */
1983         bool mouse_frame (nframes64_t&, bool& in_track_canvas) const;
1984
1985         void time_fx_motion (ArdourCanvas::Item*, GdkEvent*);
1986         void start_time_fx (ArdourCanvas::Item*, GdkEvent*);
1987         void end_time_fx (ArdourCanvas::Item*, GdkEvent*);
1988
1989         struct TimeFXDialog : public ArdourDialog {
1990             ARDOUR::TimeFXRequest request;
1991             Editor&               editor;
1992             bool                  pitching;
1993             Gtk::Adjustment       pitch_octave_adjustment;
1994             Gtk::Adjustment       pitch_semitone_adjustment;
1995             Gtk::Adjustment       pitch_cent_adjustment;
1996             Gtk::SpinButton       pitch_octave_spinner;
1997             Gtk::SpinButton       pitch_semitone_spinner;
1998             Gtk::SpinButton       pitch_cent_spinner;
1999             RegionSelection       regions;
2000             Gtk::ProgressBar      progress_bar;
2001
2002             /* SoundTouch */
2003             Gtk::ToggleButton     quick_button;
2004             Gtk::ToggleButton     antialias_button;
2005             Gtk::HBox             upper_button_box;
2006
2007             /* RubberBand */
2008             Gtk::ComboBoxText     stretch_opts_selector;
2009             Gtk::Label            stretch_opts_label;
2010             Gtk::ToggleButton     precise_button;
2011             Gtk::HBox             opts_box;
2012
2013             Gtk::Button*          cancel_button;
2014             Gtk::Button*          action_button;
2015             Gtk::VBox             packer;
2016             int                   status;
2017
2018             TimeFXDialog (Editor& e, bool for_pitch);
2019
2020             gint update_progress ();
2021             sigc::connection first_cancel;
2022             sigc::connection first_delete;
2023             void cancel_in_progress ();
2024             gint delete_in_progress (GdkEventAny*);
2025         };
2026
2027         /* "whats mine is yours" */
2028
2029         friend class TimeFXDialog;
2030
2031         TimeFXDialog* current_timefx;
2032
2033         static void* timefx_thread (void *arg);
2034         void do_timefx (TimeFXDialog&);
2035
2036         int time_stretch (RegionSelection&, float fraction);
2037         int pitch_shift (RegionSelection&, float cents);
2038         void pitch_shift_regions ();
2039         int time_fx (RegionSelection&, float val, bool pitching);
2040
2041         /* editor-mixer strip */
2042
2043         MixerStrip *current_mixer_strip;
2044         bool show_editor_mixer_when_tracks_arrive;
2045         Gtk::VBox current_mixer_strip_vbox;
2046         void cms_deleted ();
2047         void current_mixer_strip_hidden ();
2048         void current_mixer_strip_removed ();
2049
2050         void detach_tearoff (Gtk::Box* b, Gtk::Window* w);
2051         void reattach_tearoff (Gtk::Box* b, Gtk::Window* w, int32_t n);
2052 #ifdef GTKOSX
2053         void ensure_all_elements_drawn ();
2054 #endif
2055         /* nudging tracks */
2056
2057         void nudge_track (bool use_edit_point, bool forwards);
2058
2059         /* xfades */
2060
2061         bool _xfade_visibility;
2062         
2063         /* <CMT Additions> */
2064         void handle_new_imageframe_time_axis_view(const string & track_name, void* src) ;
2065         void handle_new_imageframe_marker_time_axis_view(const string & track_name, TimeAxisView* marked_track) ;
2066
2067         void start_imageframe_grab(ArdourCanvas::Item*, GdkEvent*) ;
2068         void start_markerview_grab(ArdourCanvas::Item*, GdkEvent*) ;
2069
2070         void imageframe_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
2071         void markerview_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
2072         void timeaxis_item_drag_finished_callback(ArdourCanvas::Item*, GdkEvent*) ;
2073
2074         gint canvas_imageframe_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
2075         gint canvas_imageframe_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
2076         gint canvas_imageframe_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
2077         gint canvas_imageframe_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
2078
2079         gint canvas_marker_time_axis_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerTimeAxis* mta);
2080         gint canvas_markerview_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
2081         gint canvas_markerview_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
2082         gint canvas_markerview_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
2083
2084         void imageframe_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
2085         void imageframe_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
2086         void imageframe_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
2087         void imageframe_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
2088         void imageframe_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
2089         void imageframe_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
2090         
2091         void markerview_item_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
2092         void markerview_item_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
2093         void markerview_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
2094         void markerview_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
2095         void markerview_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
2096         void markerview_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
2097
2098         void popup_imageframe_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
2099         void popup_marker_time_axis_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
2100
2101         ImageFrameSocketHandler* image_socket_listener ;
2102         /* </CMT Additions> */
2103
2104         void toggle_xfade_active (boost::weak_ptr<ARDOUR::Crossfade>);
2105         void toggle_xfade_length (boost::weak_ptr<ARDOUR::Crossfade>);
2106         void edit_xfade (boost::weak_ptr<ARDOUR::Crossfade>);
2107         void xfade_edit_left_region ();
2108         void xfade_edit_right_region ();
2109
2110         static const int32_t default_width = 995;
2111         static const int32_t default_height = 765;
2112
2113         /* nudge */
2114
2115         Gtk::Button      nudge_forward_button;
2116         Gtk::Button      nudge_backward_button;
2117         Gtk::HBox        nudge_hbox;
2118         Gtk::VBox        nudge_vbox;
2119         AudioClock       nudge_clock;
2120
2121         nframes64_t get_nudge_distance (nframes64_t pos, nframes64_t& next);
2122
2123         bool nudge_forward_release (GdkEventButton*);
2124         bool nudge_backward_release (GdkEventButton*);
2125         
2126         /* audio filters */
2127
2128         void apply_filter (ARDOUR::AudioFilter&, string cmd);
2129
2130         /* handling cleanup */
2131
2132         int playlist_deletion_dialog (boost::shared_ptr<ARDOUR::Playlist>);
2133
2134         vector<sigc::connection> session_connections;
2135
2136         /* tracking step changes of track height */
2137
2138         TimeAxisView* current_stepping_trackview;
2139         ARDOUR::microseconds_t last_track_height_step_timestamp;
2140         gint track_height_step_timeout();
2141         sigc::connection step_timeout;
2142
2143         TimeAxisView* entered_track;
2144         RegionView*   entered_regionview;
2145
2146
2147         void ensure_entered_track_selected (bool op_acts_on_objects = false);
2148         bool clear_entered_track;
2149         bool left_track_canvas (GdkEventCrossing*);
2150         bool entered_track_canvas (GdkEventCrossing*);
2151         void set_entered_track (TimeAxisView*);
2152         void set_entered_regionview (RegionView*);
2153         void ensure_track_visible (TimeAxisView*);
2154         gint left_automation_track ();
2155
2156         bool _new_regionviews_show_envelope;
2157
2158         void reset_canvas_action_sensitivity (bool);
2159         void toggle_gain_envelope_visibility ();
2160         void toggle_gain_envelope_active ();
2161         void reset_region_gain_envelopes ();
2162
2163         bool on_key_press_event (GdkEventKey*);
2164         bool on_key_release_event (GdkEventKey*);
2165
2166         void session_state_saved (string);
2167
2168         Glib::RefPtr<Gtk::Action>              undo_action;
2169         Glib::RefPtr<Gtk::Action>              redo_action;
2170
2171         void history_changed ();
2172         void color_handler ();
2173         
2174         Gtk::HBox      status_bar_hpacker;
2175
2176         Editing::EditPoint _edit_point;
2177
2178         Gtk::ComboBoxText edit_point_selector;
2179
2180         void set_edit_point_preference (Editing::EditPoint ep, bool force = false);
2181         void cycle_edit_point (bool with_marker);
2182         void set_edit_point ();
2183         void edit_point_selection_done ();
2184         void edit_point_chosen (Editing::EditPoint);
2185         Glib::RefPtr<Gtk::RadioAction> edit_point_action (Editing::EditPoint);
2186         std::vector<std::string> edit_point_strings;
2187
2188         void selected_marker_moved (ARDOUR::Location*);
2189         sigc::connection edit_point_clock_connection_a;
2190         sigc::connection edit_point_clock_connection_b;
2191
2192         bool get_edit_op_range (nframes64_t& start, nframes64_t& end) const;
2193
2194         void get_regions_at (RegionSelection&, nframes64_t where, const TrackSelection& ts) const;
2195         void get_regions_after (RegionSelection&, nframes64_t where, const TrackSelection& ts) const;
2196         
2197         void get_regions_for_action (RegionSelection&, bool allowed_entered_regionview = false);
2198
2199         sigc::connection fast_screen_update_connection;
2200         gint start_updating ();
2201         gint stop_updating ();
2202         void fast_update_strips ();
2203         bool meters_running;
2204
2205         void select_next_route ();
2206         void select_prev_route ();
2207
2208         void snap_to_internal (nframes64_t& first, int32_t direction = 0, bool for_mark = false);
2209
2210         RhythmFerret* rhythm_ferret;
2211
2212         void fit_tracks ();
2213         void set_track_height (uint32_t h);
2214         void set_track_height_largest ();
2215         void set_track_height_large ();
2216         void set_track_height_larger ();
2217         void set_track_height_normal ();
2218         void set_track_height_smaller ();
2219         void set_track_height_small ();
2220
2221         void remove_tracks ();
2222         void toggle_tracks_active ();
2223         void waveform_scale_chosen (Editing::WaveformScale);
2224
2225         bool _have_idled;
2226         int resize_idle_id;
2227         int32_t resize_idle_target;
2228         bool idle_resize();
2229         friend gboolean _idle_resize (gpointer);
2230         std::vector<TimeAxisView*> pending_resizes;
2231 };
2232
2233 #endif /* __ardour_editor_h__ */