fix all _impl member functions to be on_ instead
[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     $Id$
19 */
20
21 #ifndef __ardour_editor_h__
22 #define __ardour_editor_h__
23
24 #include <list>
25 #include <map>
26 #include <set>
27 #include <string>
28 #include <sys/time.h>
29
30 #include <cmath>
31
32 #include <sndfile.h>
33
34 #include <gtkmm.h>
35 #include <gtkmm/layout.h>
36 #include <libgnomecanvas/libgnomecanvas.h>
37 #include <libgnomecanvas/gnome-canvas-util.h>
38 #include <gtkmm2ext/selector.h>
39 #include <gtkmm2ext/click_box.h>
40
41 #include <ardour/stateful.h>
42 #include <ardour/session.h>
43 #include <ardour/tempo.h>
44 #include <ardour/location.h>
45 #include <ardour/region.h>
46
47 #include "keyboard_target.h"
48 #include "audio_clock.h"
49 #include "gtk-custom-ruler.h"
50 #include "ardour_dialog.h"
51 #include "public_editor.h"
52 #include "editing.h"
53 #include "enums.h"
54 #include "region_selection.h"
55
56 namespace Gtkmm2ext {
57         class TearOff;
58 }
59
60 namespace LinuxAudioSystems {
61         class AudioEngine;
62 }
63
64 namespace ARDOUR {
65         class DiskStream;
66         class RouteGroup;
67         class Source;
68         class Playlist;
69         class Region;
70         class Location;
71         class TempoSection;
72         class NamedSelection;
73         class Session;
74         class AudioFilter;
75         class Crossfade;
76 }
77
78 namespace LADSPA {
79         class Plugin;
80 }
81
82 class TimeAxisView;
83 class AudioTimeAxisView;
84 class AutomationTimeAxisView;
85 class AudioRegionView;
86 class CrossfadeView;
87 class PluginSelector;
88 class PlaylistSelector;
89 class Marker;
90 class GroupedButtons;
91 class AutomationLine;
92 class UIExportSpecification;
93 class ExportDialog;
94 class Selection;
95 class TimeSelection;
96 class TrackSelection;
97 class AutomationSelection;
98 class MixerStrip;
99 class SoundFileSelector;
100 class StreamView;
101 class ControlPoint;
102
103 /* <CMT Additions> */
104 class ImageFrameView;
105 class ImageFrameTimeAxisView;
106 class ImageFrameTimeAxis;
107 class MarkerTimeAxis ;
108 class MarkerView ;
109 class ImageFrameSocketHandler ;
110 class TimeAxisViewItem ;
111 /* </CMT Additions> */
112
113
114 class Editor : public PublicEditor
115 {
116   public:
117         Editor (ARDOUR::AudioEngine&);
118         ~Editor ();
119
120         void             connect_to_session (ARDOUR::Session *);
121         ARDOUR::Session* current_session() const { return session; }
122
123         jack_nframes_t leftmost_position() const { return leftmost_frame; }
124         jack_nframes_t current_page_frames() const {
125                 return (jack_nframes_t) floor (canvas_width * frames_per_unit);
126         }
127
128         void set_snap_to (Editing::SnapType);
129         void set_snap_mode (Editing::SnapMode);
130         void set_snap_threshold (double pixel_distance) {snap_threshold = pixel_distance;}
131
132         void undo (uint32_t n = 1);
133         void redo (uint32_t n = 1);
134
135         XMLNode& get_state ();
136         int set_state (const XMLNode& );
137
138         void set_mouse_mode (Editing::MouseMode, bool force=true);
139         void step_mouse_mode (bool next);
140         Editing::MouseMode current_mouse_mode () { return mouse_mode; }
141
142         void add_imageframe_time_axis(std::string track_name, void*) ;
143         void add_imageframe_marker_time_axis(std::string track_name, TimeAxisView* marked_track, void*) ;
144         void connect_to_image_compositor() ;
145         void scroll_timeaxis_to_imageframe_item(const TimeAxisViewItem* item) ;
146         TimeAxisView* get_named_time_axis(std::string name) ;
147         /* </CMT Additions> */
148
149         /* public access to auditioning */
150
151         bool consider_auditioning (ARDOUR::AudioRegion*);
152
153         /* option editor-access */
154
155         void set_show_waveforms (bool yn);
156         bool show_waveforms() const { return _show_waveforms; }
157
158         void set_show_waveforms_recording (bool yn);
159         bool show_waveforms_recording() const { return _show_waveforms_recording; }
160         
161         /* things that need to be public to be used in the main menubar */
162
163         void new_region_from_selection ();
164         void separate_region_from_selection ();
165         void toggle_playback (bool with_abort);
166
167         /* undo related */
168
169         void set_edit_menu (Gtk::Menu&);
170
171         jack_nframes_t unit_to_frame (double unit) {
172                 return (jack_nframes_t) rint (unit * frames_per_unit);
173         }
174         
175         double frame_to_unit (jack_nframes_t frame) {
176                 return rint ((double) frame / (double) frames_per_unit);
177         }
178
179         double frame_to_unit (double frame) {
180                 return rint (frame / frames_per_unit);
181         }
182
183         /* NOTE: these functions assume that the "pixel" coordinate is
184            the result of using the world->canvas affine transform on a
185            world coordinate. These coordinates already take into
186            account any scrolling carried out by adjusting the
187            xscroll_adjustment.  
188         */
189
190         jack_nframes_t pixel_to_frame (double pixel) {
191                 
192                 /* pixel can be less than zero when motion events
193                    are processed. since we've already run the world->canvas
194                    affine, that means that the location *really* is "off
195                    to the right" and thus really is "before the start".
196                 */
197
198                 if (pixel >= 0) {
199                         return (jack_nframes_t) rint (pixel * frames_per_unit * GNOME_CANVAS(track_gnome_canvas)->pixels_per_unit);
200                 } else {
201                         return 0;
202                 }
203         }
204
205         gulong frame_to_pixel (jack_nframes_t frame) {
206                 return (gulong) rint ((frame / (frames_per_unit *  GNOME_CANVAS(track_gnome_canvas)->pixels_per_unit)));
207         }
208
209         /* selection */
210
211         Selection& get_selection() const { return *selection; }
212         Selection& get_cut_buffer() const { return *cut_buffer; }
213
214         void play_selection ();
215         void select_all_in_track (bool add);
216         void select_all (bool add);
217         void invert_selection_in_track ();
218         void invert_selection ();
219
220         /* tempo */
221
222         void set_show_measures (bool yn);
223         bool show_measures () const { return _show_measures; }
224
225         /* export */
226
227         /* these initiate export ... */
228         
229         void export_session();
230         void export_selection();
231
232         /* this is what actually does it */
233         
234         void export_audiofile (ARDOUR::AudioExportSpecification&);
235
236         /* */
237
238         void add_toplevel_controls (Gtk::Container&);
239
240         void      set_zoom_focus (Editing::ZoomFocus);
241         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
242         gdouble   get_current_zoom () { return frames_per_unit; }
243
244         void temporal_zoom_step (bool coarser);
245
246         /* stuff that AudioTimeAxisView and related classes use */
247
248         PlaylistSelector& playlist_selector() const;
249         void route_name_changed (TimeAxisView *);
250         gdouble        frames_per_unit;
251         jack_nframes_t leftmost_frame;
252         void clear_playlist (ARDOUR::Playlist&);
253
254         TrackViewList* get_valid_views (TimeAxisView*, ARDOUR::RouteGroup* grp = 0);
255
256         Width editor_mixer_strip_width;
257         void show_editor_mixer (bool yn);
258         void set_selected_mixer_strip (TimeAxisView&);
259         void unselect_strip_in_display (TimeAxisView& tv);
260         void select_strip_in_display (TimeAxisView& tv);
261
262         /* nudge is initiated by transport controls owned by ARDOUR_UI */
263
264         void nudge_forward (bool next);
265         void nudge_backward (bool next);
266
267         /* nudge initiated from context menu */
268
269         void nudge_forward_capture_offset ();
270         void nudge_backward_capture_offset ();
271
272         /* playhead/screen stuff */
273         
274         void set_follow_playhead (bool yn);
275         void toggle_follow_playhead ();
276         bool follow_playhead() const { return _follow_playhead; }
277
278         /* xfades */
279
280         void toggle_xfades_active();
281         void toggle_xfade_visibility ();
282         void set_xfade_visibility (bool yn);
283         bool xfade_visibility() const { return _xfade_visibility; }
284
285         /* redirect shared ops menu. caller must free returned menu */
286
287         Gtk::Menu* redirect_menu ();
288
289         /* floating windows/transient */
290
291         void ensure_float (Gtk::Window&);
292
293         void show_window ();
294         
295         void scroll_tracks_down_line ();
296         void scroll_tracks_up_line ();
297
298         bool new_regionviews_display_gain () { return _new_regionviews_show_envelope; }
299         void prepare_for_cleanup ();
300
301         void reposition_x_origin (jack_nframes_t sample);
302
303   protected:
304         void map_transport_state ();
305         void map_position_change (jack_nframes_t);
306
307         void on_realize();
308         void on_map ();
309
310   private:
311         
312         ARDOUR::Session     *session;
313         ARDOUR::AudioEngine& engine;
314         bool                 constructed;
315
316         PlaylistSelector* _playlist_selector;
317
318         enum ItemType {
319                 RegionItem,
320                 StreamItem,
321                 PlayheadCursorItem,
322                 EditCursorItem,
323                 MarkerItem,
324                 MarkerBarItem,
325                 RangeMarkerBarItem,
326                 TransportMarkerBarItem,
327                 SelectionItem,
328                 GainControlPointItem,
329                 GainLineItem,
330                 GainAutomationControlPointItem,
331                 GainAutomationLineItem,
332                 PanAutomationControlPointItem,
333                 PanAutomationLineItem,
334                 RedirectAutomationControlPointItem,
335                 RedirectAutomationLineItem,
336                 MeterMarkerItem,
337                 TempoMarkerItem,
338                 MeterBarItem,
339                 TempoBarItem,
340                 AudioRegionViewNameHighlight,
341                 AudioRegionViewName,
342                 StartSelectionTrimItem,
343                 EndSelectionTrimItem,
344                 AutomationTrackItem,
345                 FadeInItem,
346                 FadeInHandleItem,
347                 FadeOutItem,
348                 FadeOutHandleItem,
349
350                 /* <CMT Additions> */
351                 MarkerViewItem,
352                 MarkerTimeAxisItem,
353                 MarkerViewHandleStartItem,
354                 MarkerViewHandleEndItem,
355                 ImageFrameItem,
356                 ImageFrameTimeAxisItem,
357                 ImageFrameHandleStartItem,
358                 ImageFrameHandleEndItem,
359                 /* </CMT Additions> */
360
361                 CrossfadeViewItem,
362                 
363                 /* don't remove this */
364
365                 NoItem
366         };
367
368         void          set_frames_per_unit (double);
369         void          frames_per_unit_modified ();
370
371         Editing::MouseMode mouse_mode;
372         void      mouse_insert (GdkEventButton *);
373
374         void pane_allocation_handler (GtkAllocation*, Gtk::Paned*);
375
376         Gtk::HPaned   canvas_region_list_pane;
377         Gtk::HPaned   track_list_canvas_pane;
378
379         Gtk::EventBox meter_base;
380         Gtk::HBox     meter_box;
381         Gtk::EventBox marker_base;
382         Gtk::HBox     marker_box;
383         Gtk::VBox     scrollers_rulers_markers_box;
384
385         void location_changed (ARDOUR::Location *);
386         void location_flags_changed (ARDOUR::Location *, void *);
387         void refresh_location_display ();
388         void refresh_location_display_s (ARDOUR::Change);
389         void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
390         void add_new_location (ARDOUR::Location *);
391         void location_gone (ARDOUR::Location *);
392         void remove_marker (GnomeCanvasItem*, GdkEvent*);
393         gint really_remove_marker (ARDOUR::Location* loc);
394
395         uint32_t location_marker_color;
396         uint32_t location_range_color;
397         uint32_t location_loop_color;
398         uint32_t location_punch_color;
399         uint32_t location_cd_marker_color;
400
401         struct LocationMarkers {
402             Marker* start;
403             Marker* end;
404
405             ~LocationMarkers ();
406
407             void hide();
408             void show ();
409             void set_name (const string&);
410             void set_position (jack_nframes_t start, jack_nframes_t end = 0);
411             void set_color_rgba (uint32_t);
412         };
413
414         LocationMarkers  *find_location_markers (ARDOUR::Location *);
415         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start);
416
417         typedef map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
418         LocationMarkerMap location_markers;
419
420         void hide_marker (GnomeCanvasItem*, GdkEvent*);
421         void clear_marker_display ();
422         void mouse_add_new_marker (jack_nframes_t where);
423
424         TimeAxisView*      clicked_trackview;
425         AudioTimeAxisView* clicked_audio_trackview;
426         AudioRegionView*   clicked_regionview;
427         AudioRegionView*   latest_regionview;
428         uint32_t           clicked_selection;
429         CrossfadeView*     clicked_crossfadeview;
430         ControlPoint*      clicked_control_point;
431
432         void catch_vanishing_audio_regionview (AudioRegionView *);
433         void set_selected_control_point_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
434         void set_selected_track_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
435         void set_selected_regionview_from_click (bool add = false, bool no_track_remove=false);
436         void set_selected_regionview_from_region_list (ARDOUR::Region& region, bool add = false);
437         gint set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, ARDOUR::Region*);
438         void collect_new_region_view (AudioRegionView *);
439
440         Gtk::Menu track_context_menu;
441         Gtk::Menu track_region_context_menu;
442         Gtk::Menu track_selection_context_menu;
443         Gtk::Menu track_crossfade_context_menu;
444
445         Gtk::MenuItem* region_edit_menu_split_item;
446         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
447         Gtk::Menu * track_region_edit_playlist_menu;
448         Gtk::Menu * track_edit_playlist_submenu;
449         Gtk::Menu * track_selection_edit_playlist_submenu;
450         
451         void popup_track_context_menu (int, int, ItemType, bool, jack_nframes_t);
452         Gtk::Menu* build_track_context_menu (jack_nframes_t);
453         Gtk::Menu* build_track_bus_context_menu (jack_nframes_t);
454         Gtk::Menu* build_track_region_context_menu (jack_nframes_t frame);
455         Gtk::Menu* build_track_crossfade_context_menu (jack_nframes_t);
456         Gtk::Menu* build_track_selection_context_menu (jack_nframes_t);
457         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
458         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
459         void add_region_context_items (StreamView*, ARDOUR::Region*, Gtk::Menu_Helpers::MenuList&);
460         void add_crossfade_context_items (StreamView*, ARDOUR::Crossfade*, Gtk::Menu_Helpers::MenuList&, bool many);
461         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
462
463         void handle_new_route (ARDOUR::Route&);
464         void handle_new_route_p (ARDOUR::Route*);
465         void remove_route (TimeAxisView *);
466         bool route_removal;
467
468         Gtk::HBox           global_hpacker;
469         Gtk::VBox           global_vpacker;
470         Gtk::VBox           vpacker;
471
472         GdkCursor          *current_canvas_cursor;
473
474         GtkWidget          *track_gnome_canvas;
475         GtkWidget          *time_gnome_canvas;
476         Gtk::Widget        *track_canvas;
477         Gtk::Widget        *time_canvas;
478
479         GnomeCanvasItem*      first_action_message;
480         GnomeCanvasItem      *verbose_canvas_cursor;
481         bool                verbose_cursor_visible;
482
483         void session_control_changed (ARDOUR::Session::ControlType);
484         void queue_session_control_changed (ARDOUR::Session::ControlType);
485
486         
487         gint track_canvas_motion (GnomeCanvasItem*, GdkEvent*);
488         void set_verbose_canvas_cursor (string, double x, double y);
489         void set_verbose_canvas_cursor_text (string);
490         void show_verbose_canvas_cursor();
491         void hide_verbose_canvas_cursor();
492
493         bool verbose_cursor_on; // so far unused
494
495         void flush_track_canvas ();
496         void flush_time_canvas ();
497
498         Gtk::EventBox      time_canvas_event_box;
499         Gtk::EventBox      track_canvas_event_box;
500         Gtk::EventBox      time_button_event_box;
501
502         GnomeCanvasItem      *minsec_group;
503         GnomeCanvasItem      *bbt_group;
504         GnomeCanvasItem      *smpte_group;
505         GnomeCanvasItem      *frame_group;
506         GnomeCanvasItem      *tempo_group;
507         GnomeCanvasItem      *meter_group;
508         GnomeCanvasItem      *marker_group;
509         GnomeCanvasItem      *range_marker_group;
510         GnomeCanvasItem      *transport_marker_group;
511         
512         enum {
513                 ruler_metric_smpte = 0,
514                 ruler_metric_bbt = 1,
515                 ruler_metric_frames = 2,
516                 ruler_metric_minsec = 3,
517
518                 ruler_time_tempo = 4,
519                 ruler_time_meter = 5,
520                 ruler_time_marker = 6,
521                 ruler_time_range_marker = 7,
522                 ruler_time_transport_marker = 8,
523         };
524
525         static GtkCustomMetric ruler_metrics[4];
526         bool                   ruler_shown[9];
527         bool                   no_ruler_shown_update;
528         
529         gint ruler_button_press (GdkEventButton*);
530         gint ruler_button_release (GdkEventButton*);
531         gint ruler_mouse_motion (GdkEventMotion*);
532
533         gint ruler_pressed_button;
534         Gtk::Widget * ruler_grabbed_widget;
535         
536         void initialize_rulers ();
537         void update_just_smpte ();
538         void update_fixed_rulers ();
539         void update_tempo_based_rulers (); 
540         void popup_ruler_menu (jack_nframes_t where = 0, ItemType type = RegionItem);
541         void update_ruler_visibility ();
542         void ruler_toggled (int);
543         gint ruler_label_button_release (GdkEventButton*);
544         void store_ruler_visibility ();
545         void restore_ruler_visibility ();
546         
547         static gint _metric_get_smpte (GtkCustomRulerMark **, gulong, gulong, gint);
548         static gint _metric_get_bbt (GtkCustomRulerMark **, gulong, gulong, gint);
549         static gint _metric_get_frames (GtkCustomRulerMark **, gulong, gulong, gint);
550         static gint _metric_get_minsec (GtkCustomRulerMark **, gulong, gulong, gint);
551         
552         gint metric_get_smpte (GtkCustomRulerMark **, gulong, gulong, gint);
553         gint metric_get_bbt (GtkCustomRulerMark **, gulong, gulong, gint);
554         gint metric_get_frames (GtkCustomRulerMark **, gulong, gulong, gint);
555         gint metric_get_minsec (GtkCustomRulerMark **, gulong, gulong, gint);
556
557         GtkWidget          *_smpte_ruler;
558         GtkWidget          *_bbt_ruler;
559         GtkWidget          *_frames_ruler;
560         GtkWidget          *_minsec_ruler;
561         Gtk::Widget        *smpte_ruler;
562         Gtk::Widget        *bbt_ruler;
563         Gtk::Widget        *frames_ruler;
564         Gtk::Widget        *minsec_ruler;
565         static Editor      *ruler_editor;
566
567         static const double timebar_height;
568         guint32 visible_timebars;
569         Gtk::Menu          *editor_ruler_menu;
570
571         
572         GnomeCanvasItem      *tempo_bar;
573         GnomeCanvasItem      *meter_bar;
574         GnomeCanvasItem      *marker_bar;
575         GnomeCanvasItem      *range_marker_bar;
576
577         GnomeCanvasItem      *transport_marker_bar;
578
579         
580         GnomeCanvasItem      *tempo_line;
581         GnomeCanvasItem      *meter_line;
582         GnomeCanvasItem      *marker_line;
583         GnomeCanvasItem      *range_marker_line;
584         GnomeCanvasItem      *transport_marker_line;
585
586         GnomeCanvasPoints    *tempo_line_points;
587         GnomeCanvasPoints    *meter_line_points;
588         GnomeCanvasPoints    *marker_line_points;
589         GnomeCanvasPoints    *range_marker_line_points;
590         GnomeCanvasPoints    *transport_marker_line_points;
591
592         Gtk::Label  minsec_label;
593         Gtk::Label  bbt_label;
594         Gtk::Label  smpte_label;
595         Gtk::Label  frame_label;
596         Gtk::Label  tempo_label;
597         Gtk::Label  meter_label;
598         Gtk::Label  mark_label;
599         Gtk::Label  range_mark_label;
600         Gtk::Label  transport_mark_label;
601         
602
603         Gtk::VBox          time_button_vbox;
604         Gtk::HBox          time_button_hbox;
605
606         struct Cursor {
607             Editor&             editor;
608             GnomeCanvasPoints    *points;
609             GnomeCanvasItem      *canvas_item;
610             jack_nframes_t      current_frame;
611             GtkSignalFunc       callback;
612                 double                          length;
613
614             Cursor (Editor&, const string& color, GtkSignalFunc callback);
615             ~Cursor ();
616
617             void set_position (jack_nframes_t);
618             void set_length (double units);
619                 void set_y_axis (double position);
620         };
621
622         friend struct Cursor; /* it needs access to several private
623                                  fields. XXX fix me.
624                               */
625
626         Cursor* playhead_cursor;
627         Cursor* edit_cursor;
628         GnomeCanvasItem* cursor_group;
629
630         void    cursor_to_next_region_point (Cursor*, ARDOUR::RegionPoint);
631         void    cursor_to_previous_region_point (Cursor*, ARDOUR::RegionPoint);
632         void    cursor_to_region_point (Cursor*, ARDOUR::RegionPoint, int32_t dir);
633         void    cursor_to_selection_start (Cursor *);
634         void    cursor_to_selection_end   (Cursor *);
635
636         ARDOUR::Region* find_next_region (jack_nframes_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
637
638         vector<jack_nframes_t> region_boundary_cache;
639         void build_region_boundary_cache ();
640
641         Gtk::VBox           trackview_vpacker;
642
643         Gtk::HBox           top_hbox;
644         Gtk::HBox           bottom_hbox;
645         
646         Gtk::Table          edit_packer;
647         Gtk::Frame          edit_frame;
648         Gtk::VScrollbar     edit_vscrollbar;
649
650         /* the horizontal scroller works in a rather different way
651            than a regular scrollbar, since its used for
652            zoom control/indication as well. But more importantly,
653            its different components (slider, left arrow, right arrow) 
654            have to be packed separately into the edit_packer.
655         */
656
657         Gtk::HScrollbar     edit_hscrollbar;
658         Gtk::DrawingArea    edit_hscroll_slider;
659         Gtk::Arrow          edit_hscroll_left_arrow;
660         Gtk::Arrow          edit_hscroll_right_arrow;
661         Gtk::EventBox       edit_hscroll_left_arrow_event;
662         Gtk::EventBox       edit_hscroll_right_arrow_event;
663         gint                edit_hscroll_slider_width;
664         gint                edit_hscroll_slider_height;
665         static const gint   edit_hscroll_edge_width = 3;
666         bool                edit_hscroll_dragging;
667         double              edit_hscroll_drag_last;
668         
669         void hscroll_slider_allocate (GtkAllocation *);
670         gint hscroll_slider_expose (GdkEventExpose*);
671         gint hscroll_slider_button_press (GdkEventButton*);
672         gint hscroll_slider_button_release (GdkEventButton*);
673         gint hscroll_slider_motion (GdkEventMotion*);
674
675         gint hscroll_trough_expose (GdkEventExpose*);
676         gint hscroll_trough_button_press (GdkEventButton*);
677         gint hscroll_trough_button_release (GdkEventButton*);
678
679         void update_hscroller ();
680
681         gint hscroll_left_arrow_button_press (GdkEventButton *);
682         gint hscroll_left_arrow_button_release (GdkEventButton *);
683         gint hscroll_right_arrow_button_press (GdkEventButton *);
684         gint hscroll_right_arrow_button_release (GdkEventButton *);
685         
686         guint32             canvas_width;
687         guint32             canvas_height;
688
689         Gtk::ScrolledWindow  track_canvas_scroller;
690         Gtk::ScrolledWindow  time_canvas_scroller;
691         Gtk::ScrolledWindow  edit_controls_scroller;
692
693         gint edit_controls_button_release (GdkEventButton*);
694         Gtk::Menu *edit_controls_left_menu;
695         Gtk::Menu *edit_controls_right_menu;
696
697         void track_canvas_scroller_realized ();
698         void time_canvas_scroller_realized ();
699
700         Gtk::VBox           track_canvas_vbox;
701         Gtk::VBox           time_canvas_vbox;
702         Gtk::VBox           edit_controls_vbox;
703         Gtk::HBox           edit_controls_hbox;
704
705         void tie_vertical_scrolling ();
706         void canvas_horizontally_scrolled ();
707         void reposition_and_zoom (jack_nframes_t sample, double fpu);
708         gint deferred_reposition_and_zoom (jack_nframes_t sample, double fpu);
709         void end_location_changed (ARDOUR::Location*);
710         bool repos_zoom_queued;
711         bool no_zoom_repos_update;
712         bool no_tempo_map_update;
713
714         Gtk::CTree          region_list_display;
715         Gtk::CTree_Helpers::RowList::iterator region_list_hidden_node;
716         Gtk::Menu          *region_list_menu;
717         vector<Gtk::MenuItem*> rl_context_menu_region_items;
718         Gtk::ScrolledWindow region_list_scroller;
719         Gtk::Frame          region_list_frame;
720
721         gint region_list_display_key_press (GdkEventKey *);
722         gint region_list_display_key_release (GdkEventKey *);
723         gint region_list_display_button_press (GdkEventButton *);
724         gint region_list_display_button_release (GdkEventButton *);
725         gint region_list_display_enter_notify (GdkEventCrossing *);
726         gint region_list_display_leave_notify (GdkEventCrossing *);
727         void region_list_display_selected (gint row, gint col, GdkEvent* ev);
728         void region_list_display_unselected (gint row, gint col, GdkEvent* ev);
729         void region_list_column_click (gint);
730         void region_list_clear ();
731         void build_region_list_menu ();
732
733         Gtk::CheckMenuItem* toggle_auto_regions_item;
734         Gtk::CheckMenuItem* toggle_full_region_list_item;
735
736         Gtk::MenuItem* import_audio_item;
737         Gtk::MenuItem* embed_audio_item;
738
739         bool show_automatic_regions_in_region_list;
740         Editing::RegionListSortType region_list_sort_type;
741
742         void reset_region_list_sort_direction (bool);
743         void reset_region_list_sort_type (Editing::RegionListSortType);
744
745         void toggle_full_region_list ();
746         void toggle_show_auto_regions ();
747
748         static gint _region_list_sorter (GtkCList*, gconstpointer, gconstpointer);
749         gint region_list_sorter (gconstpointer, gconstpointer);
750
751         /* named selections */
752
753         Gtk::VPaned         region_selection_vpane;
754         Gtk::CList          named_selection_display;
755         Gtk::ScrolledWindow named_selection_scroller;
756
757         void name_selection();
758         void named_selection_name_chosen ();
759         void create_named_selection (string);
760         void paste_named_selection (float times);
761
762         void handle_new_named_selection ();
763         void add_named_selection_to_named_selection_display (ARDOUR::NamedSelection&);
764         void redisplay_named_selections ();
765
766         gint named_selection_display_button_press (GdkEventButton *ev);
767         void named_selection_display_selected (gint row, gint col, GdkEvent *ev);
768         void named_selection_display_unselected (gint row, gint col, GdkEvent *ev);
769
770         /* track views */
771         int track_spacing;
772         TrackViewList  track_views;
773         TimeAxisView     *trackview_by_y_position (double ypos);
774
775         static GdkCursor* cross_hair_cursor;
776         static GdkCursor* trimmer_cursor;
777         static GdkCursor* selector_cursor;
778         static GdkCursor* grabber_cursor;
779         static GdkCursor* zoom_cursor;
780         static GdkCursor* time_fx_cursor;
781         static GdkCursor* fader_cursor;
782         static GdkCursor* speaker_cursor;
783         static GdkCursor* null_cursor;
784         static GdkCursor* wait_cursor;
785         static GdkCursor* timebar_cursor;
786
787         static void build_cursors ();
788
789         sigc::connection scroll_connection;
790         jack_nframes_t last_update_frame;
791         void center_screen (jack_nframes_t);
792         void center_screen_internal (jack_nframes_t, float);
793         
794         void update_current_screen ();
795         sigc::connection slower_update_connection;
796         void update_slower ();
797         
798         gint show_track_context_menu (GdkEventButton *);
799         void hide_track_context_menu ();
800
801         void session_going_away ();
802
803         jack_nframes_t cut_buffer_start;
804         jack_nframes_t cut_buffer_length;
805
806         gint typed_event (GnomeCanvasItem*, GdkEvent*, ItemType);
807         gint button_press_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
808         gint button_release_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
809         gint motion_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
810         gint enter_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
811         gint leave_handler (GnomeCanvasItem*, GdkEvent*, ItemType);
812         
813         /* KEYMAP HANDLING */
814
815         void install_keybindings ();
816
817         int ensure_cursor (jack_nframes_t* pos);
818
819         void fake_handle_new_audio_region (ARDOUR::AudioRegion *);
820         void handle_new_audio_region (ARDOUR::AudioRegion *);
821         void fake_handle_audio_region_removed (ARDOUR::AudioRegion *);
822         void handle_audio_region_removed (ARDOUR::AudioRegion *);
823         void add_audio_region_to_region_display (ARDOUR::AudioRegion *);
824         void region_hidden (ARDOUR::Region*);
825         void redisplay_regions ();
826         void insert_into_tmp_audio_regionlist(ARDOUR::AudioRegion *);
827
828         list<ARDOUR::AudioRegion *> tmp_audio_region_list;
829
830         void cut_copy (Editing::CutCopyOp);
831         void cut_copy_points (Editing::CutCopyOp);
832         void cut_copy_regions (Editing::CutCopyOp);
833         void cut_copy_ranges (Editing::CutCopyOp);
834
835         void mouse_paste ();
836         void paste_internal (jack_nframes_t position, float times);
837
838         /* EDITING OPERATIONS */
839         
840         void toggle_region_mute ();
841         void toggle_region_opaque ();
842         void raise_region ();
843         void raise_region_to_top ();
844         void lower_region ();
845         void lower_region_to_bottom ();
846         void split_region ();
847         void split_region_at (jack_nframes_t);
848         void split_regions_at (jack_nframes_t, AudioRegionSelection&);
849         void crop_region_to_selection ();
850         void set_region_sync_from_edit_cursor ();
851         void remove_region_sync();
852         void align_selection (ARDOUR::RegionPoint, jack_nframes_t position);
853         void align_selection_relative (ARDOUR::RegionPoint point, jack_nframes_t position);
854         void align_region (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
855         void align_region_internal (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
856         void remove_some_regions ();
857         void remove_clicked_region ();
858         void destroy_clicked_region ();
859         void edit_region ();
860         void duplicate_some_regions (AudioRegionSelection&, float times);
861         void duplicate_selection (float times);
862         void region_fill_selection ();
863
864         void region_fill_track ();
865         void audition_playlist_region_standalone (ARDOUR::AudioRegion&);
866         void audition_playlist_region_via_route (ARDOUR::AudioRegion&, ARDOUR::Route&);
867         void split_multichannel_region();
868         void reverse_region ();
869         void normalize_region ();
870         void denormalize_region ();
871
872         ARDOUR::Region* region_list_button_region;
873         void audition_region_from_region_list ();
874         void remove_region_from_region_list ();
875         void hide_region_from_region_list ();
876         void remove_selected_regions_from_region_list ();
877
878         void align (ARDOUR::RegionPoint);
879         void align_relative (ARDOUR::RegionPoint);
880         void naturalize ();
881
882         void cut ();
883         void copy ();
884         void paste (float times);
885
886         int  get_prefix (float&, bool&);
887
888         void keyboard_paste ();
889         void keyboard_duplicate_region ();
890         void keyboard_duplicate_selection ();
891         void keyboard_nudge ();
892         void keyboard_insert_region_list_selection ();
893
894         void region_from_selection ();
895         void create_region_from_selection (std::vector<ARDOUR::AudioRegion*>&);
896
897         bool region_renamed;
898         void rename_region ();
899         void rename_region_finished (bool);
900
901         void play_from_start ();
902         void play_from_edit_cursor ();
903         void play_selected_region ();
904         void audition_selected_region ();
905         void toggle_loop_playback ();
906         void loop_selected_region ();
907         void play_location (ARDOUR::Location&);
908         void loop_location (ARDOUR::Location&);
909
910         Editing::ZoomFocus zoom_focus;
911
912         void temporal_zoom_selection ();
913         void temporal_zoom_session ();
914         void temporal_zoom (gdouble scale);
915         void temporal_zoom_by_frame (jack_nframes_t start, jack_nframes_t end, string op);
916         void temporal_zoom_to_frame (bool coarser, jack_nframes_t frame);
917
918         void amplitude_zoom (gdouble scale);
919         void amplitude_zoom_step (bool in);
920
921         ARDOUR::AudioRegion* region_list_display_drag_region;
922         char                 need_wave_cursor;
923         gint                 region_list_display_motion (GdkEventMotion*);
924
925         void insert_region_list_drag (ARDOUR::AudioRegion&);
926         void insert_region_list_selection (float times);
927
928         void insert_sndfile (bool as_tracks);
929         void embed_audio ();    // inserts into region list
930         int  reject_because_rate_differs (string path, SF_INFO& finfo, string action, bool multiple_pending);
931
932         void do_embed_sndfiles (vector<string> paths, bool split);
933         void embed_sndfile (string path, bool split, bool multiple_files, bool& check_sr);
934
935         void do_insert_sndfile (vector<string> path, bool multi, jack_nframes_t frame);
936         void insert_paths_as_new_tracks (std::vector<std::string> paths, bool multi); // inserts files as new tracks
937         void insert_sndfile_into (string path, bool multi, AudioTimeAxisView* tv, jack_nframes_t& frame, bool prompt=true);
938         static void* _insert_sndfile_thread (void*);
939         void*  insert_sndfile_thread (void*);
940
941         /* generic interthread progress window */
942         
943         ArdourDialog* interthread_progress_window;
944         Gtk::Label interthread_progress_label;
945         Gtk::VBox interthread_progress_vbox;
946         Gtk::ProgressBar interthread_progress_bar;
947         Gtk::Button interthread_cancel_button;
948         Gtk::Label interthread_cancel_label;
949         sigc::connection  interthread_progress_connection;
950         void interthread_cancel_clicked ();
951         void build_interthread_progress_window ();
952         ARDOUR::InterThreadInfo* current_interthread_info;
953
954         /* import specific info */
955
956         ARDOUR::Session::import_status import_status;
957         gint import_progress_timeout (void *);
958         static void *_import_thread (void *);
959         void* import_thread ();
960         void catch_new_audio_region (ARDOUR::AudioRegion*);
961         ARDOUR::AudioRegion* last_audio_region;
962
963         /* to support this ... */
964
965         void import_audio (bool as_tracks);
966         void do_import (vector<string> paths, bool split, bool as_tracks);
967
968         void move_to_start ();
969         void move_to_end ();
970         void goto_frame ();
971         void center_playhead ();
972         void center_edit_cursor ();
973         void edit_cursor_backward ();
974         void edit_cursor_forward ();
975         void playhead_backward ();
976         void playhead_forward ();
977         void scroll_backward (float pages=0.8f);
978         void scroll_forward (float pages=0.8f);
979         void scroll_tracks_down ();
980         void scroll_tracks_up ();
981         void delete_sample_forward ();
982         void delete_sample_backward ();
983         void delete_screen ();
984         void search_backwards ();
985         void search_forwards ();
986         void set_mark ();
987         void clear_markers ();
988         void clear_ranges ();
989         void clear_locations ();
990         void jump_forward_to_mark ();
991         void jump_backward_to_mark ();
992         void cursor_align (bool playhead_to_edit);
993
994         void remove_last_capture ();
995
996         void set_selection_from_range (ARDOUR::Location&);
997         void set_selection_from_punch ();
998         void set_selection_from_loop ();
999
1000         void add_location_from_selection ();
1001         void set_route_loop_selection ();
1002
1003         void add_location_from_playhead_cursor ();
1004
1005         void reverse_selection ();
1006         void edit_envelope ();
1007
1008         void start_scrolling ();
1009         void stop_scrolling ();
1010
1011         void keyboard_selection_begin ();
1012         void keyboard_selection_finish (bool add);
1013         bool have_pending_keyboard_selection;
1014         jack_nframes_t pending_keyboard_selection_start;
1015
1016         ARDOUR::AudioRegion* select_region_for_operation (int dir, TimeAxisView **tv);
1017         void extend_selection_to_end_of_region (bool next);
1018         void extend_selection_to_start_of_region (bool previous);
1019
1020         Editing::SnapType snap_type;
1021         Editing::SnapMode snap_mode;
1022         double snap_threshold;
1023
1024         void soundfile_chosen_for_insert (string selection, bool split_channels);
1025         void soundfile_chosen_for_embed (string selection, bool split_channels);
1026         void soundfile_chosen_for_import (string selection, bool split_channels);
1027
1028         void handle_gui_changes (string, void *);
1029
1030         void    hide_all_tracks (bool with_select);
1031
1032         void route_list_selected (gint row, gint col, GdkEvent* ev);
1033         void route_list_unselected (gint row, gint col, GdkEvent* ev);
1034         void redisplay_route_list();
1035         gint route_list_reordered ();
1036         bool ignore_route_list_reorder;
1037         void queue_route_list_reordered (gint row, gint col);
1038
1039         struct DragInfo {
1040             GnomeCanvasItem* item;
1041             void* data;
1042             jack_nframes_t last_frame_position;
1043             int32_t pointer_frame_offset;
1044             jack_nframes_t grab_frame;
1045             jack_nframes_t last_pointer_frame;
1046             jack_nframes_t current_pointer_frame;
1047             double grab_x, grab_y;
1048             double cumulative_x_drag;
1049             double cumulative_y_drag;
1050             double current_pointer_x;
1051             double current_pointer_y;
1052             void (Editor::*motion_callback)(GnomeCanvasItem*, GdkEvent*);
1053             void (Editor::*finished_callback)(GnomeCanvasItem*, GdkEvent*);
1054             TimeAxisView* last_trackview;
1055             bool x_constrained;
1056             bool copy;
1057             bool was_rolling;
1058             bool first_move;
1059             bool move_threshold_passsed;
1060             bool want_move_threshold;
1061             bool brushing;
1062             ARDOUR::Location* copied_location;
1063         } drag_info;
1064
1065         struct LineDragInfo {
1066             uint32_t before;
1067             uint32_t after;
1068         };
1069
1070         LineDragInfo current_line_drag_info;
1071
1072         void start_grab (GdkEvent*, GdkCursor* cursor = 0);
1073         bool end_grab (GnomeCanvasItem*, GdkEvent*);
1074
1075         Gtk::Menu fade_context_menu;
1076         void popup_fade_context_menu (int, int, GnomeCanvasItem*, ItemType);
1077
1078         void start_fade_in_grab (GnomeCanvasItem*, GdkEvent*);
1079         void start_fade_out_grab (GnomeCanvasItem*, GdkEvent*);
1080         void fade_in_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1081         void fade_out_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1082         void fade_in_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1083         void fade_out_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1084         
1085         std::set<ARDOUR::Playlist*> motion_frozen_playlists;
1086         void region_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1087         void region_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1088         void region_copy_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1089
1090         void cursor_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1091         void cursor_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1092         void marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1093         void marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1094         void control_point_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1095         void control_point_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1096         void line_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1097         void line_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1098
1099         void tempo_marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1100         void tempo_marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1101         void meter_marker_drag_motion_callback (GnomeCanvasItem*, GdkEvent*);
1102         void meter_marker_drag_finished_callback (GnomeCanvasItem*, GdkEvent*);
1103
1104         gint mouse_rename_region (GnomeCanvasItem*, GdkEvent*);
1105
1106         void start_region_grab (GnomeCanvasItem*, GdkEvent*);
1107         void start_region_copy_grab (GnomeCanvasItem*, GdkEvent*);
1108         void start_region_brush_grab (GnomeCanvasItem*, GdkEvent*);
1109         void start_selection_grab (GnomeCanvasItem*, GdkEvent*);
1110         void start_cursor_grab (GnomeCanvasItem*, GdkEvent*);
1111         void start_marker_grab (GnomeCanvasItem*, GdkEvent*);
1112         void start_control_point_grab (GnomeCanvasItem*, GdkEvent*);
1113         void start_line_grab_from_regionview (GnomeCanvasItem*, GdkEvent*);
1114         void start_line_grab_from_line (GnomeCanvasItem*, GdkEvent*);
1115         void start_line_grab (AutomationLine *, GdkEvent*);
1116         void start_tempo_marker_grab (GnomeCanvasItem*, GdkEvent*);
1117         void start_meter_marker_grab (GnomeCanvasItem*, GdkEvent*);
1118
1119         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1120
1121         void remove_gain_control_point (GnomeCanvasItem*, GdkEvent*);
1122         void remove_control_point (GnomeCanvasItem*, GdkEvent*);
1123
1124         void mouse_brush_insert_region (AudioRegionView*, jack_nframes_t pos);
1125         void brush (jack_nframes_t);
1126
1127         void show_verbose_time_cursor (jack_nframes_t frame, double offset = 0, double xpos=-1, double ypos=-1);
1128         void show_verbose_duration_cursor (jack_nframes_t start, jack_nframes_t end, double offset = 0, double xpos=-1, double ypos=-1);
1129
1130         /* static versions of these are public in PublicEditor */
1131         
1132         gint _canvas_crossfade_view_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1133         gint _canvas_fade_in_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1134         gint _canvas_fade_in_handle_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1135         gint _canvas_fade_out_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1136         gint _canvas_fade_out_handle_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1137         gint _canvas_region_view_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1138         gint _canvas_region_view_name_highlight_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1139         gint _canvas_region_view_name_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1140         gint _canvas_stream_view_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1141         gint _canvas_automation_track_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1142         gint _canvas_marker_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1143         gint _canvas_zoom_rect_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1144         gint _canvas_selection_rect_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1145         gint _canvas_selection_start_trim_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1146         gint _canvas_selection_end_trim_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1147         gint _canvas_control_point_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1148         gint _canvas_line_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1149         gint _canvas_tempo_marker_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1150         gint _canvas_meter_marker_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1151         gint _canvas_tempo_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1152         gint _canvas_meter_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1153         gint _canvas_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1154         gint _canvas_range_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1155         gint _canvas_transport_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1156         gint _canvas_imageframe_item_view_event(GnomeCanvasItem *item, GdkEvent* event, gpointer data) ;
1157         gint _canvas_imageframe_view_event(GnomeCanvasItem *item, GdkEvent* event, gpointer data) ;
1158         gint _canvas_imageframe_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1159         gint _canvas_imageframe_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1160         gint _canvas_marker_time_axis_view_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1161         gint _canvas_markerview_item_view_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1162         gint _canvas_markerview_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1163         gint _canvas_markerview_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, gpointer data) ;
1164
1165         /* now the real things */
1166
1167         gint canvas_crossfade_view_event (GnomeCanvasItem* item, GdkEvent* event, CrossfadeView*);
1168         gint canvas_fade_in_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1169         gint canvas_fade_in_handle_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1170         gint canvas_fade_out_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1171         gint canvas_fade_out_handle_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1172         gint canvas_region_view_event (GnomeCanvasItem* item, GdkEvent* event, AudioRegionView*);
1173         gint canvas_stream_view_event (GnomeCanvasItem* item, GdkEvent* event, AudioTimeAxisView*);
1174         gint canvas_automation_track_event (GnomeCanvasItem* item, GdkEvent* event, AutomationTimeAxisView*);
1175         gint canvas_marker_event (GnomeCanvasItem* item, GdkEvent* event);
1176         gint canvas_zoom_rect_event (GnomeCanvasItem* item, GdkEvent* event);
1177         gint canvas_selection_rect_event (GnomeCanvasItem* item, GdkEvent* event);
1178         gint canvas_selection_start_trim_event (GnomeCanvasItem* item, GdkEvent* event);
1179         gint canvas_selection_end_trim_event (GnomeCanvasItem* item, GdkEvent* event);
1180         gint canvas_control_point_event (GnomeCanvasItem* item, GdkEvent* event);
1181         gint canvas_line_event (GnomeCanvasItem* item, GdkEvent* event);
1182         gint canvas_tempo_marker_event (GnomeCanvasItem* item, GdkEvent* event);
1183         gint canvas_meter_marker_event (GnomeCanvasItem* item, GdkEvent* event);
1184         gint canvas_tempo_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1185         gint canvas_meter_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1186         gint canvas_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1187         gint canvas_range_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1188         gint canvas_transport_marker_bar_event (GnomeCanvasItem* item, GdkEvent* event);
1189         gint canvas_region_view_name_highlight_event (GnomeCanvasItem* item, GdkEvent* event);
1190         gint canvas_region_view_name_event (GnomeCanvasItem* item, GdkEvent* event);
1191
1192         /* these are not publically accessible, but we still need the static versions
1193            till we use Gnome::Canvas.
1194         */
1195         
1196         static gint _canvas_copy_region_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1197         gint canvas_copy_region_event (GnomeCanvasItem* item, GdkEvent* event);
1198
1199         static gint _canvas_playhead_cursor_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1200         gint canvas_playhead_cursor_event (GnomeCanvasItem* item, GdkEvent* event);
1201
1202         static gint _canvas_edit_cursor_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1203         gint canvas_edit_cursor_event (GnomeCanvasItem* item, GdkEvent* event);
1204         
1205         static gint _track_canvas_event (GnomeCanvasItem* item, GdkEvent* event, gpointer data);
1206         gint track_canvas_event (GnomeCanvasItem* item, GdkEvent* event);
1207
1208         gint track_canvas_button_press_event (GdkEventButton *);
1209         gint track_canvas_button_release_event (GdkEventButton *);
1210         
1211         void track_canvas_allocate (GtkAllocation* alloc);
1212         void time_canvas_allocate (GtkAllocation* alloc);
1213
1214         void set_edit_cursor (GdkEvent* event);
1215         void set_playhead_cursor (GdkEvent* event);
1216
1217         void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
1218         void kbd_set_playhead_cursor ();
1219         void kbd_set_edit_cursor ();
1220         void kbd_split ();
1221         void kbd_align (ARDOUR::RegionPoint);
1222         void kbd_align_relative (ARDOUR::RegionPoint);
1223         void kbd_brush ();
1224         void kbd_audition ();
1225
1226         void kbd_do_split (GdkEvent*);
1227         void kbd_do_align (GdkEvent*, ARDOUR::RegionPoint);
1228         void kbd_do_align_relative (GdkEvent*, ARDOUR::RegionPoint);
1229         void kbd_do_brush (GdkEvent*);
1230         void kbd_do_audition (GdkEvent*);
1231
1232         void fake_handle_new_duration ();
1233         void handle_new_duration ();
1234         void initialize_canvas ();
1235         void reset_scrolling_region (GtkAllocation* alloc = 0);
1236         void scroll_canvas ();
1237
1238         /* sub-event loop handling */
1239
1240         int32_t sub_event_loop_status;
1241         void run_sub_event_loop ();
1242         void finish_sub_event_loop (int status);
1243         gint finish_sub_event_loop_on_delete (GdkEventAny*, int32_t status);
1244         
1245         /* display control */
1246         
1247         bool _show_measures;
1248         bool _show_waveforms;
1249         bool _follow_playhead;
1250         bool _show_waveforms_recording;
1251         
1252         void add_bbt_marks (ARDOUR::TempoMap::BBTPointList&);
1253
1254         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1255         
1256         typedef vector<GnomeCanvasItem*> TimeLineList;
1257         TimeLineList free_measure_lines;
1258         TimeLineList used_measure_lines;
1259
1260         GnomeCanvasItem* time_line_group;
1261         GnomeCanvasItem* get_time_line ();
1262         void hide_measures ();
1263         void draw_measures ();
1264         void draw_time_bars ();
1265
1266         void new_tempo_section ();
1267
1268         void mouse_add_new_tempo_event (jack_nframes_t where);
1269         void mouse_add_new_meter_event (jack_nframes_t where);
1270
1271         void remove_tempo_marker (GnomeCanvasItem*);
1272         void remove_meter_marker (GnomeCanvasItem*);
1273         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1274         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1275         
1276         void edit_tempo_section (ARDOUR::TempoSection*);
1277         void edit_meter_section (ARDOUR::MeterSection*);
1278         void edit_tempo_marker (GnomeCanvasItem*);
1279         void edit_meter_marker (GnomeCanvasItem*);
1280         
1281         void marker_menu_edit ();
1282         void marker_menu_remove ();
1283         void marker_menu_rename ();
1284         void marker_menu_hide ();
1285         void marker_menu_loop_range ();
1286         void marker_menu_play_from ();
1287         void marker_menu_set_playhead ();
1288         void marker_menu_set_from_playhead ();
1289         void marker_menu_set_from_selection ();
1290         void new_transport_marker_menu_set_loop ();
1291         void new_transport_marker_menu_set_punch ();
1292         void update_loop_range_view (bool visibility=false);
1293         void update_punch_range_view (bool visibility=false);
1294         gint new_transport_marker_menu_popdown (GdkEventAny*);
1295         void marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1296         void tm_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1297         void transport_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1298         void new_transport_marker_context_menu (GdkEventButton*, GnomeCanvasItem*);
1299         void build_marker_menu ();
1300         void build_tm_marker_menu ();
1301         void build_transport_marker_menu ();
1302         void build_new_transport_marker_menu ();
1303
1304         Gtk::Menu* tm_marker_menu;
1305         Gtk::Menu* marker_menu;
1306         Gtk::Menu* transport_marker_menu;
1307         Gtk::Menu* new_transport_marker_menu;
1308         GnomeCanvasItem* marker_menu_item;
1309
1310         typedef list<Marker*> Marks;
1311         Marks metric_marks;
1312
1313         void remove_metric_marks ();
1314         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1315
1316         void tempo_map_changed (ARDOUR::Change);
1317         void redisplay_tempo ();
1318         
1319         void snap_to (jack_nframes_t& first, int32_t direction = 0, bool for_mark = false);
1320         uint32_t bbt_beat_subdivision;
1321
1322         /* toolbar */
1323         
1324         Gtk::ToggleButton        editor_mixer_button;
1325
1326         void editor_mixer_button_toggled ();
1327
1328         AudioClock               selection_start_clock;
1329         Gtk::Label               selection_start_clock_label;
1330         AudioClock               selection_end_clock;
1331         Gtk::Label               selection_end_clock_label;
1332         AudioClock               edit_cursor_clock;
1333         Gtk::Label               edit_cursor_clock_label;
1334         AudioClock               zoom_range_clock;
1335         Gtk::Button              zoom_in_button;
1336         Gtk::Button              zoom_out_button;
1337         Gtk::Button              zoom_out_full_button;
1338         Gtk::Button              zoom_onetoone_button;
1339
1340         Gtk::VBox                toolbar_clock_vbox;
1341         Gtk::VBox                toolbar_selection_clock_vbox; 
1342         Gtk::Table               toolbar_selection_clock_table;
1343         Gtk::Label               toolbar_selection_cursor_label;
1344         
1345         Gtk::Table               mouse_mode_button_table;
1346         Gtkmm2ext::TearOff*       mouse_mode_tearoff;
1347         Gtk::ToggleButton        mouse_select_button;
1348         Gtk::ToggleButton        mouse_move_button;
1349         Gtk::ToggleButton        mouse_gain_button;
1350         Gtk::ToggleButton        mouse_zoom_button;
1351         Gtk::ToggleButton        mouse_timefx_button;
1352         Gtk::ToggleButton        mouse_audition_button;
1353         GroupedButtons          *mouse_mode_button_set;
1354         void                     mouse_mode_toggled (Editing::MouseMode m);
1355         bool                     ignore_mouse_mode_toggle;
1356
1357         gint                     mouse_select_button_release (GdkEventButton*);
1358
1359         Gtk::VBox                automation_box;
1360         Gtk::Button              automation_mode_button;
1361         Gtk::ToggleButton        global_automation_button;
1362
1363         Gtk::Combo               edit_mode_selector;
1364         Gtk::Label               edit_mode_label;
1365         Gtk::VBox                edit_mode_box;
1366
1367         gint edit_mode_selection_done (GdkEventAny*);
1368
1369         Gtk::Combo               snap_type_selector;
1370         Gtk::Label               snap_type_label;
1371         Gtk::VBox                snap_type_box;
1372
1373         gint snap_type_selection_done (GdkEventAny*);
1374
1375         Gtk::Combo               snap_mode_selector;
1376         Gtk::Label               snap_mode_label;
1377         Gtk::VBox                snap_mode_box;
1378
1379         gint snap_mode_selection_done (GdkEventAny*);
1380
1381         Gtk::Combo               zoom_focus_selector;
1382         Gtk::Label               zoom_focus_label;
1383         Gtk::VBox                zoom_focus_box;
1384         
1385         gint zoom_focus_selection_done (GdkEventAny*);
1386
1387         Gtk::Label          zoom_indicator_label;
1388         Gtk::HBox           zoom_indicator_box;
1389         Gtk::VBox           zoom_indicator_vbox;
1390
1391         void                update_zoom_indicator ();
1392         void                zoom_adjustment_changed();
1393
1394         void                edit_cursor_clock_changed();
1395         
1396         void setup_toolbar ();
1397
1398         Gtkmm2ext::TearOff*       tools_tearoff;
1399         Gtk::HBox                toolbar_hbox;
1400         Gtk::EventBox            toolbar_base;
1401         Gtk::Frame               toolbar_frame;
1402
1403         /* selection process */
1404
1405         Selection* selection;
1406         Selection* cut_buffer;
1407
1408         void time_selection_changed ();
1409         void track_selection_changed ();
1410         void region_selection_changed ();
1411         void point_selection_changed ();
1412         void audio_track_selection_changed ();
1413         void line_selection_changed ();
1414
1415         enum SelectionOp {
1416                 CreateSelection,
1417                 SelectionStartTrim,
1418                 SelectionEndTrim,
1419                 SelectionMove
1420         } selection_op;
1421
1422         void start_selection_op (GnomeCanvasItem* item, GdkEvent* event, SelectionOp);
1423         void drag_selection (GnomeCanvasItem* item, GdkEvent* event);
1424         void end_selection_op (GnomeCanvasItem* item, GdkEvent* event);
1425         void cancel_selection ();
1426
1427         void region_selection_op (void (ARDOUR::Region::*pmf)(void));
1428         void region_selection_op (void (ARDOUR::Region::*pmf)(void*), void*);
1429         void region_selection_op (void (ARDOUR::Region::*pmf)(bool), bool);
1430
1431         bool audio_region_selection_covers (jack_nframes_t where);
1432
1433         Gtk::VPaned  route_group_vpane;
1434         Gtk::Frame   route_list_frame;
1435         Gtk::Frame   edit_group_list_frame;
1436
1437         /* transport range select process */
1438         enum RangeMarkerOp {
1439                 CreateRangeMarker,
1440                 CreateTransportMarker
1441         } range_marker_op;
1442
1443         void start_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event, RangeMarkerOp);
1444         void drag_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event);
1445         void end_range_markerbar_op (GnomeCanvasItem* item, GdkEvent* event);
1446
1447         
1448         GnomeCanvasItem      *range_bar_drag_rect;
1449         GnomeCanvasItem      *transport_bar_drag_rect;
1450         GnomeCanvasItem      *marker_drag_line;
1451         GnomeCanvasPoints    *marker_drag_line_points;
1452         GnomeCanvasItem      *range_marker_drag_rect;
1453
1454         void update_marker_drag_item (ARDOUR::Location *);
1455         
1456         GnomeCanvasItem      *transport_bar_range_rect;
1457         GnomeCanvasItem      *transport_bar_preroll_rect;
1458         GnomeCanvasItem      *transport_bar_postroll_rect;
1459         GnomeCanvasItem      *transport_loop_range_rect;
1460         GnomeCanvasItem      *transport_punch_range_rect;
1461         GnomeCanvasItem      *transport_punchin_line;
1462         GnomeCanvasItem      *transport_punchout_line;
1463         GnomeCanvasItem      *transport_preroll_rect;
1464         GnomeCanvasItem      *transport_postroll_rect;
1465
1466         ARDOUR::Location*  transport_loop_location();
1467         ARDOUR::Location*  transport_punch_location();
1468
1469         ARDOUR::Location   *temp_location;
1470         
1471         /* object rubberband select process */
1472         
1473         void start_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
1474         void drag_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
1475         void end_rubberband_select (GnomeCanvasItem* item, GdkEvent* event);
1476
1477         bool select_all_within (jack_nframes_t start, jack_nframes_t end, gdouble topy, gdouble boty, bool add);
1478         
1479         GnomeCanvasItem   *rubberband_rect;
1480         
1481         /* mouse zoom process */
1482
1483         void start_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
1484         void drag_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
1485         void end_mouse_zoom (GnomeCanvasItem* item, GdkEvent* event);
1486
1487         GnomeCanvasItem   *zoom_rect;
1488         void reposition_zoom_rect (jack_nframes_t start, jack_nframes_t end);
1489         
1490         /* diskstream/route display management */
1491
1492         Gtk::CList          route_list;
1493         Gtk::ScrolledWindow route_list_scroller;
1494         Gtk::Menu          *route_list_menu;
1495
1496         void route_list_column_click (gint);
1497         void build_route_list_menu ();
1498         void select_all_routes ();
1499         void unselect_all_routes ();
1500         void select_all_audiotracks ();
1501         void unselect_all_audiotracks ();
1502         void select_all_audiobus ();
1503         void unselect_all_audiobus ();
1504
1505         /* edit group management */
1506
1507         Gtk::Button         edit_group_list_button;
1508         Gtk::Label          edit_group_list_button_label;
1509         Gtk::CList          edit_group_list;
1510         Gtk::ScrolledWindow edit_group_list_scroller;
1511         Gtk::Menu          *edit_group_list_menu;
1512         Gtk::VBox           edit_group_vbox;
1513
1514
1515         void edit_group_list_column_click (gint);
1516         void build_edit_group_list_menu ();
1517         void select_all_edit_groups ();
1518         void unselect_all_edit_groups ();
1519         void new_edit_group ();
1520         void edit_group_list_button_clicked ();
1521         gint edit_group_list_button_press_event (GdkEventButton* ev);
1522         void edit_group_selected (gint row, gint col, GdkEvent* ev);
1523         void edit_group_unselected (gint row, gint col, GdkEvent* ev);
1524         void fake_add_edit_group (ARDOUR::RouteGroup* group);
1525         void add_edit_group (ARDOUR::RouteGroup* group);
1526         void group_flags_changed (void*, ARDOUR::RouteGroup*);
1527
1528         Gtk::VBox           list_vpacker;
1529
1530         static GdkPixmap* check_pixmap;
1531         static GdkBitmap* check_mask;
1532         static GdkPixmap* empty_pixmap;
1533         static GdkBitmap* empty_mask;
1534
1535         /* autoscrolling */
1536
1537         int autoscroll_timeout_tag;
1538         int autoscroll_direction;
1539         uint32_t autoscroll_cnt;
1540         jack_nframes_t autoscroll_distance;
1541      
1542         static gint _autoscroll_canvas (void *);
1543         gint autoscroll_canvas ();
1544         void start_canvas_autoscroll (int direction);
1545         void stop_canvas_autoscroll ();
1546         void maybe_autoscroll (GdkEvent*);
1547
1548         /* trimming */
1549         enum TrimOp {
1550                 StartTrim,
1551                 EndTrim,
1552                 ContentsTrim,
1553         } trim_op;
1554
1555         void start_trim (GnomeCanvasItem*, GdkEvent*);
1556         void point_trim (GdkEvent*);
1557         void trim_motion_callback (GnomeCanvasItem*, GdkEvent*);
1558         void single_contents_trim (AudioRegionView&, jack_nframes_t, bool, bool, bool);
1559         void single_start_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1560         void single_end_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1561
1562         void trim_finished_callback (GnomeCanvasItem*, GdkEvent*);
1563         void thaw_region_after_trim (AudioRegionView& rv);
1564         
1565         void trim_region_to_edit_cursor ();
1566         void trim_region_from_edit_cursor ();
1567
1568         bool show_gain_after_trim;
1569
1570         /* Drag-n-Drop */
1571
1572         int convert_drop_to_paths (std::vector<std::string>& paths,
1573                                    GdkDragContext     *context,
1574                                    gint                x,
1575                                    gint                y,
1576                                    GtkSelectionData   *data,
1577                                    guint               info,
1578                                    guint               time);
1579
1580         void  track_canvas_drag_data_received  (GdkDragContext     *context,
1581                                                 gint                x,
1582                                                 gint                y,
1583                                                 GtkSelectionData   *data,
1584                                                 guint               info,
1585                                                 guint               time);
1586
1587         void  region_list_display_drag_data_received  (GdkDragContext     *context,
1588                                                        gint                x,
1589                                                        gint                y,
1590                                                        GtkSelectionData   *data,
1591                                                        guint               info,
1592                                                        guint               time);
1593         
1594         /* audio export */
1595
1596         ExportDialog *export_dialog;
1597         void export_range (jack_nframes_t start, jack_nframes_t end);
1598
1599         int write_region_selection(AudioRegionSelection&);
1600         bool write_region (string path, ARDOUR::AudioRegion&);
1601         void export_region ();
1602         void write_a_region ();
1603         void bounce_region_selection ();
1604         void bounce_range_selection ();
1605         void external_edit_region ();
1606
1607         int write_audio_selection (TimeSelection&);
1608         bool write_audio_range (ARDOUR::Playlist&, uint32_t channels, list<ARDOUR::AudioRange>&);
1609
1610         void write_selection ();
1611
1612         /* history */
1613
1614         UndoAction get_memento() const;
1615
1616         void begin_reversible_command (string cmd_name);
1617         void commit_reversible_command ();
1618
1619         /* visual history */
1620
1621         UndoHistory visual_history;
1622         UndoCommand current_visual_command;
1623
1624         void begin_reversible_visual_command (string cmd_name);
1625         void commit_reversible_visual_command ();
1626
1627         void update_title ();   
1628         void update_title_s (string snapshot_name);
1629
1630         struct State {
1631             Selection* selection;
1632             double     frames_per_unit;
1633
1634             State();
1635             ~State();
1636         };
1637
1638         void store_state (State&) const;
1639         void restore_state (State *);
1640
1641         void instant_save ();
1642
1643         ARDOUR::AudioRegion* last_audition_region;
1644         
1645         /* freeze operations */
1646
1647         ARDOUR::InterThreadInfo freeze_status;
1648         gint freeze_progress_timeout (void *);
1649         static void* _freeze_thread (void*);
1650         void* freeze_thread ();
1651
1652         void freeze_route ();
1653         void unfreeze_route ();
1654
1655         /* edit-group solo + mute */
1656
1657         void set_edit_group_solo (ARDOUR::Route&, bool);
1658         void set_edit_group_mute (ARDOUR::Route&, bool);
1659
1660         /* duplication */
1661
1662         void duplicate_dialog (bool for_region);
1663         
1664         /* edit menu */
1665
1666         Gtk::Menu* edit_menu;
1667         void edit_menu_map_handler ();
1668
1669         jack_nframes_t event_frame (GdkEvent*, double* px = 0, double* py = 0);
1670
1671         void time_fx_motion (GnomeCanvasItem*, GdkEvent*);
1672         void start_time_fx (GnomeCanvasItem*, GdkEvent*);
1673         void end_time_fx (GnomeCanvasItem*, GdkEvent*);
1674
1675         struct TimeStretchDialog : public ArdourDialog {
1676             ARDOUR::Session::TimeStretchRequest request;
1677             Editor&               editor;
1678             AudioRegionSelection  regions;
1679             Gtk::ProgressBar      progress_bar;
1680             Gtk::ToggleButton     quick_button;
1681             Gtk::ToggleButton     antialias_button;
1682             Gtk::Button           cancel_button;
1683             Gtk::Button           action_button;
1684             Gtk::HBox             lower_button_box;
1685             Gtk::HBox             upper_button_box;
1686             Gtk::VBox             packer;
1687             int                   status;
1688
1689             TimeStretchDialog (Editor& e);
1690
1691             gint update_progress ();
1692             sigc::connection first_cancel;
1693             sigc::connection first_delete;
1694             void cancel_timestretch_in_progress ();
1695             gint delete_timestretch_in_progress (GdkEventAny*);
1696         };
1697
1698         /* "whats mine is yours" */
1699
1700         friend class TimeStretchDialog;
1701
1702         TimeStretchDialog* current_timestretch;
1703
1704         static void* timestretch_thread (void *arg);
1705         int run_timestretch (AudioRegionSelection&, float fraction);
1706         void do_timestretch (TimeStretchDialog&);
1707
1708         /* editor-mixer strip */
1709
1710         MixerStrip *current_mixer_strip;
1711         Gtk::VBox current_mixer_strip_vbox;
1712         void cms_deleted ();
1713         void current_mixer_strip_hidden ();
1714         void current_mixer_strip_removed ();
1715
1716         void detach_tearoff (Gtk::Box* b, Gtk::Widget* w);
1717         void reattach_tearoff (Gtk::Box* b, Gtk::Widget* w, int32_t n);
1718
1719         /* nudging tracks */
1720
1721         void nudge_track (bool use_edit_cursor, bool forwards);
1722
1723         /* xfades */
1724
1725         bool _xfade_visibility;
1726         
1727         /* <CMT Additions> */
1728         void handle_new_imageframe_time_axis_view(std::string track_name, void* src) ;
1729         void handle_new_imageframe_marker_time_axis_view(std::string track_name, TimeAxisView* marked_track) ;
1730
1731         void start_imageframe_grab(GnomeCanvasItem*, GdkEvent*) ;
1732         void start_markerview_grab(GnomeCanvasItem*, GdkEvent*) ;
1733
1734         void imageframe_drag_motion_callback(GnomeCanvasItem*, GdkEvent*) ;
1735         void markerview_drag_motion_callback(GnomeCanvasItem*, GdkEvent*) ;
1736         void timeaxis_item_drag_finished_callback(GnomeCanvasItem*, GdkEvent*) ;
1737
1738         gint canvas_imageframe_item_view_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
1739         gint canvas_imageframe_view_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
1740         gint canvas_imageframe_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
1741         gint canvas_imageframe_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, ImageFrameView* ifv);
1742
1743         gint canvas_marker_time_axis_view_event(GnomeCanvasItem* item, GdkEvent* event, MarkerTimeAxis* mta);
1744         gint canvas_markerview_item_view_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
1745         gint canvas_markerview_start_handle_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
1746         gint canvas_markerview_end_handle_event(GnomeCanvasItem* item, GdkEvent* event, MarkerView* mv);
1747
1748         void imageframe_start_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1749         void imageframe_end_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1750         void imageframe_start_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1751         void imageframe_start_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1752         void imageframe_end_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1753         void imageframe_end_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1754         
1755         void markerview_item_start_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1756         void markerview_item_end_handle_op(GnomeCanvasItem* item, GdkEvent* event) ;
1757         void markerview_start_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1758         void markerview_start_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1759         void markerview_end_handle_trim_motion(GnomeCanvasItem* item, GdkEvent* event) ;
1760         void markerview_end_handle_end_trim(GnomeCanvasItem* item, GdkEvent* event) ;
1761
1762         void popup_imageframe_edit_menu(int button, int32_t time, GnomeCanvasItem* ifv, bool with_frame) ;
1763         void popup_marker_time_axis_edit_menu(int button, int32_t time, GnomeCanvasItem* ifv, bool with_frame) ;
1764
1765         ImageFrameSocketHandler* image_socket_listener ;
1766         /* </CMT Additions> */
1767
1768         void toggle_xfade_active (ARDOUR::Crossfade*);
1769         void toggle_xfade_length (ARDOUR::Crossfade*);
1770         void edit_xfade (ARDOUR::Crossfade*);
1771         void remove_xfade ();
1772         void xfade_edit_left_region ();
1773         void xfade_edit_right_region ();
1774
1775         static const int32_t default_width = 995;
1776         static const int32_t default_height = 765;
1777
1778         /* nudge */
1779
1780         Gtk::Button      nudge_forward_button;
1781         Gtk::Button      nudge_backward_button;
1782         Gtk::HBox        nudge_hbox;
1783         Gtk::VBox        nudge_vbox;
1784         Gtk::Label       nudge_label;
1785         AudioClock       nudge_clock;
1786
1787         jack_nframes_t get_nudge_distance (jack_nframes_t pos, jack_nframes_t& next);
1788         
1789         /* audio filters */
1790
1791         void apply_filter (ARDOUR::AudioFilter&, string cmd);
1792
1793         /* handling cleanup */
1794
1795         int playlist_deletion_dialog (ARDOUR::Playlist*);
1796
1797         vector<sigc::connection> session_connections;
1798
1799         /* tracking step changes of track height */
1800
1801         TimeAxisView* current_stepping_trackview;
1802         struct timeval last_track_height_step_timestamp;
1803         gint track_height_step_timeout();
1804         sigc::connection step_timeout;
1805
1806         TimeAxisView* entered_track;
1807         AudioRegionView* entered_regionview;
1808         bool clear_entered_track;
1809         gint left_track_canvas (GdkEventCrossing*);
1810         void set_entered_track (TimeAxisView*);
1811         void set_entered_regionview (AudioRegionView*);
1812         gint left_automation_track ();
1813
1814         bool _new_regionviews_show_envelope;
1815
1816         void toggle_gain_envelope_visibility ();
1817         void toggle_gain_envelope_active ();
1818         
1819         typedef map<Editing::ColorID,std::string> ColorStyleMap;
1820         void init_colormap ();
1821 };
1822
1823 #endif /* __ardour_editor_h__ */