cleanup leftover problems from my commit yesterday; return of the windows
[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 <libgnomecanvasmm/canvas.h>
31 #include <libgnomecanvasmm/group.h>
32 #include <libgnomecanvasmm/line.h>
33
34 #include <cmath>
35
36 #include <sndfile.h>
37
38 #include <gtkmm/layout.h>
39 #include <gtkmm/comboboxtext.h>
40
41 #include <gtkmm2ext/selector.h>
42 #include <gtkmm2ext/click_box.h>
43
44 #include <ardour/stateful.h>
45 #include <ardour/session.h>
46 #include <ardour/tempo.h>
47 #include <ardour/location.h>
48 #include <ardour/region.h>
49
50 #include "audio_clock.h"
51 #include "gtk-custom-ruler.h"
52 #include "ardour_dialog.h"
53 #include "public_editor.h"
54 #include "editing.h"
55 #include "enums.h"
56 #include "region_selection.h"
57 #include "canvas.h"
58
59 namespace Gtkmm2ext {
60         class TearOff;
61 }
62
63 namespace LinuxAudioSystems {
64         class AudioEngine;
65 }
66
67 namespace ARDOUR {
68         class DiskStream;
69         class RouteGroup;
70         class Source;
71         class Playlist;
72         class Region;
73         class Location;
74         class TempoSection;
75         class NamedSelection;
76         class Session;
77         class AudioFilter;
78         class Crossfade;
79 }
80
81 namespace LADSPA {
82         class Plugin;
83 }
84
85 class TimeAxisView;
86 class AudioTimeAxisView;
87 class AutomationTimeAxisView;
88 class AudioRegionView;
89 class CrossfadeView;
90 class PluginSelector;
91 class PlaylistSelector;
92 class Marker;
93 class GroupedButtons;
94 class AutomationLine;
95 class UIExportSpecification;
96 class ExportDialog;
97 class Selection;
98 class TimeSelection;
99 class TrackSelection;
100 class AutomationSelection;
101 class MixerStrip;
102 class StreamView;
103 class ControlPoint;
104
105 /* <CMT Additions> */
106 class ImageFrameView;
107 class ImageFrameTimeAxisView;
108 class ImageFrameTimeAxis;
109 class MarkerTimeAxis ;
110 class MarkerView ;
111 class ImageFrameSocketHandler ;
112 class TimeAxisViewItem ;
113 /* </CMT Additions> */
114
115
116 class Editor : public PublicEditor
117 {
118   public:
119         Editor (ARDOUR::AudioEngine&);
120         ~Editor ();
121
122         void             connect_to_session (ARDOUR::Session *);
123         ARDOUR::Session* current_session() const { return session; }
124
125         jack_nframes_t leftmost_position() const { return leftmost_frame; }
126         jack_nframes_t current_page_frames() const {
127                 return (jack_nframes_t) floor (canvas_width * frames_per_unit);
128         }
129
130         void set_snap_to (Editing::SnapType);
131         void set_snap_mode (Editing::SnapMode);
132         void set_snap_threshold (double pixel_distance) {snap_threshold = pixel_distance;}
133
134         void undo (uint32_t n = 1);
135         void redo (uint32_t n = 1);
136
137         XMLNode& get_state ();
138         int set_state (const XMLNode& );
139
140         void set_mouse_mode (Editing::MouseMode, bool force=true);
141         void step_mouse_mode (bool next);
142         Editing::MouseMode current_mouse_mode () { return mouse_mode; }
143
144         void add_imageframe_time_axis(std::string track_name, void*) ;
145         void add_imageframe_marker_time_axis(std::string track_name, TimeAxisView* marked_track, void*) ;
146         void connect_to_image_compositor() ;
147         void scroll_timeaxis_to_imageframe_item(const TimeAxisViewItem* item) ;
148         TimeAxisView* get_named_time_axis(std::string name) ;
149         /* </CMT Additions> */
150
151         void consider_auditioning (ARDOUR::Region&);
152         void hide_a_region (ARDOUR::Region&);
153         void remove_a_region (ARDOUR::Region&);
154
155         /* option editor-access */
156
157         void set_show_waveforms (bool yn);
158         bool show_waveforms() const { return _show_waveforms; }
159
160         void set_show_waveforms_recording (bool yn);
161         bool show_waveforms_recording() const { return _show_waveforms_recording; }
162         
163         /* things that need to be public to be used in the main menubar */
164
165         void new_region_from_selection ();
166         void separate_region_from_selection ();
167         void toggle_playback (bool with_abort);
168
169         /* undo related */
170
171         void set_edit_menu (Gtk::Menu&);
172
173         jack_nframes_t unit_to_frame (double unit) {
174                 return (jack_nframes_t) rint (unit * frames_per_unit);
175         }
176         
177         double frame_to_unit (jack_nframes_t frame) {
178                 return rint ((double) frame / (double) frames_per_unit);
179         }
180
181         double frame_to_unit (double frame) {
182                 return rint (frame / frames_per_unit);
183         }
184
185         /* NOTE: these functions assume that the "pixel" coordinate is
186            the result of using the world->canvas affine transform on a
187            world coordinate. These coordinates already take into
188            account any scrolling carried out by adjusting the
189            xscroll_adjustment.  
190         */
191
192         jack_nframes_t pixel_to_frame (double pixel) {
193                 
194                 /* pixel can be less than zero when motion events
195                    are processed. since we've already run the world->canvas
196                    affine, that means that the location *really* is "off
197                    to the right" and thus really is "before the start".
198                 */
199
200                 if (pixel >= 0) {
201                         return (jack_nframes_t) rint (pixel * frames_per_unit * GNOME_CANVAS(track_canvas.gobj())->pixels_per_unit);
202                 } else {
203                         return 0;
204                 }
205         }
206
207         gulong frame_to_pixel (jack_nframes_t frame) {
208                 return (gulong) rint ((frame / (frames_per_unit *  GNOME_CANVAS(track_canvas.gobj())->pixels_per_unit)));
209         }
210
211         /* selection */
212
213         Selection& get_selection() const { return *selection; }
214         Selection& get_cut_buffer() const { return *cut_buffer; }
215
216         void play_selection ();
217         void select_all_in_track (bool add);
218         void select_all (bool add);
219         void invert_selection_in_track ();
220         void invert_selection ();
221
222         /* tempo */
223
224         void set_show_measures (bool yn);
225         bool show_measures () const { return _show_measures; }
226
227         /* export */
228
229         /* these initiate export ... */
230         
231         void export_session();
232         void export_selection();
233
234         /* this is what actually does it */
235         
236         void export_audiofile (ARDOUR::AudioExportSpecification&);
237
238         /* */
239
240         void add_toplevel_controls (Gtk::Container&);
241
242         void      set_zoom_focus (Editing::ZoomFocus);
243         Editing::ZoomFocus get_zoom_focus () const { return zoom_focus; }
244         gdouble   get_current_zoom () { return frames_per_unit; }
245
246         void temporal_zoom_step (bool coarser);
247
248         /* stuff that AudioTimeAxisView and related classes use */
249
250         PlaylistSelector& playlist_selector() const;
251         void route_name_changed (TimeAxisView *);
252         gdouble        frames_per_unit;
253         jack_nframes_t leftmost_frame;
254         void clear_playlist (ARDOUR::Playlist&);
255
256         TrackViewList* get_valid_views (TimeAxisView*, ARDOUR::RouteGroup* grp = 0);
257
258         Width editor_mixer_strip_width;
259         void show_editor_mixer (bool yn);
260         void set_selected_mixer_strip (TimeAxisView&);
261         void unselect_strip_in_display (TimeAxisView& tv);
262         void select_strip_in_display (TimeAxisView* tv);
263
264         /* nudge is initiated by transport controls owned by ARDOUR_UI */
265
266         void nudge_forward (bool next);
267         void nudge_backward (bool next);
268
269         /* nudge initiated from context menu */
270
271         void nudge_forward_capture_offset ();
272         void nudge_backward_capture_offset ();
273
274         /* playhead/screen stuff */
275         
276         void set_follow_playhead (bool yn);
277         void toggle_follow_playhead ();
278         bool follow_playhead() const { return _follow_playhead; }
279
280         /* xfades */
281
282         void toggle_xfades_active();
283         void toggle_xfade_visibility ();
284         void set_xfade_visibility (bool yn);
285         bool xfade_visibility() const { return _xfade_visibility; }
286
287         /* redirect shared ops menu. caller must free returned menu */
288
289         Gtk::Menu* redirect_menu ();
290
291         /* floating windows/transient */
292
293         void ensure_float (Gtk::Window&);
294
295         void show_window ();
296         
297         void scroll_tracks_down_line ();
298         void scroll_tracks_up_line ();
299
300         bool new_regionviews_display_gain () { return _new_regionviews_show_envelope; }
301         void prepare_for_cleanup ();
302
303         void reposition_x_origin (jack_nframes_t sample);
304
305   protected:
306         void map_transport_state ();
307         void map_position_change (jack_nframes_t);
308
309         void on_realize();
310
311   private:
312         
313         ARDOUR::Session     *session;
314         ARDOUR::AudioEngine& engine;
315         bool                 constructed;
316
317         PlaylistSelector* _playlist_selector;
318
319         enum ItemType {
320                 RegionItem,
321                 StreamItem,
322                 PlayheadCursorItem,
323                 EditCursorItem,
324                 MarkerItem,
325                 MarkerBarItem,
326                 RangeMarkerBarItem,
327                 TransportMarkerBarItem,
328                 SelectionItem,
329                 GainControlPointItem,
330                 GainLineItem,
331                 GainAutomationControlPointItem,
332                 GainAutomationLineItem,
333                 PanAutomationControlPointItem,
334                 PanAutomationLineItem,
335                 RedirectAutomationControlPointItem,
336                 RedirectAutomationLineItem,
337                 MeterMarkerItem,
338                 TempoMarkerItem,
339                 MeterBarItem,
340                 TempoBarItem,
341                 AudioRegionViewNameHighlight,
342                 AudioRegionViewName,
343                 StartSelectionTrimItem,
344                 EndSelectionTrimItem,
345                 AutomationTrackItem,
346                 FadeInItem,
347                 FadeInHandleItem,
348                 FadeOutItem,
349                 FadeOutHandleItem,
350
351                 /* <CMT Additions> */
352                 MarkerViewItem,
353                 MarkerTimeAxisItem,
354                 MarkerViewHandleStartItem,
355                 MarkerViewHandleEndItem,
356                 ImageFrameItem,
357                 ImageFrameTimeAxisItem,
358                 ImageFrameHandleStartItem,
359                 ImageFrameHandleEndItem,
360                 /* </CMT Additions> */
361
362                 CrossfadeViewItem,
363                 
364                 /* don't remove this */
365
366                 NoItem
367         };
368
369         void          set_frames_per_unit (double);
370         void          frames_per_unit_modified ();
371
372         Editing::MouseMode mouse_mode;
373         void      mouse_insert (GdkEventButton *);
374
375         void pane_allocation_handler (Gtk::Allocation&, Gtk::Paned*);
376
377         Gtk::HPaned   canvas_region_list_pane;
378         Gtk::HPaned   track_list_canvas_pane;
379
380         Gtk::EventBox meter_base;
381         Gtk::HBox     meter_box;
382         Gtk::EventBox marker_base;
383         Gtk::HBox     marker_box;
384         Gtk::VBox     scrollers_rulers_markers_box;
385
386         void location_changed (ARDOUR::Location *);
387         void location_flags_changed (ARDOUR::Location *, void *);
388         void refresh_location_display ();
389         void refresh_location_display_s (ARDOUR::Change);
390         void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
391         void add_new_location (ARDOUR::Location *);
392         void location_gone (ARDOUR::Location *);
393         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
394         gint really_remove_marker (ARDOUR::Location* loc);
395
396         uint32_t location_marker_color;
397         uint32_t location_range_color;
398         uint32_t location_loop_color;
399         uint32_t location_punch_color;
400         uint32_t location_cd_marker_color;
401
402         struct LocationMarkers {
403             Marker* start;
404             Marker* end;
405
406             ~LocationMarkers ();
407
408             void hide();
409             void show ();
410             void set_name (const string&);
411             void set_position (jack_nframes_t start, jack_nframes_t end = 0);
412             void set_color_rgba (uint32_t);
413         };
414
415         LocationMarkers  *find_location_markers (ARDOUR::Location *);
416         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start);
417
418         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
419         LocationMarkerMap location_markers;
420
421         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
422         void clear_marker_display ();
423         void mouse_add_new_marker (jack_nframes_t where);
424
425         TimeAxisView*      clicked_trackview;
426         AudioTimeAxisView* clicked_audio_trackview;
427         AudioRegionView*   clicked_regionview;
428         AudioRegionView*   latest_regionview;
429         uint32_t           clicked_selection;
430         CrossfadeView*     clicked_crossfadeview;
431         ControlPoint*      clicked_control_point;
432
433         void catch_vanishing_audio_regionview (AudioRegionView *);
434         void set_selected_control_point_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
435         void set_selected_track_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
436         void set_selected_regionview_from_click (bool add = false, bool no_track_remove=false);
437         void set_selected_regionview_from_region_list (ARDOUR::Region& region, bool add = false);
438         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, ARDOUR::Region*);
439         void collect_new_region_view (AudioRegionView *);
440
441         Gtk::Menu track_context_menu;
442         Gtk::Menu track_region_context_menu;
443         Gtk::Menu track_selection_context_menu;
444         Gtk::Menu track_crossfade_context_menu;
445
446         Gtk::MenuItem* region_edit_menu_split_item;
447         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
448         Gtk::Menu * track_region_edit_playlist_menu;
449         Gtk::Menu * track_edit_playlist_submenu;
450         Gtk::Menu * track_selection_edit_playlist_submenu;
451         
452         void popup_track_context_menu (int, int, ItemType, bool, jack_nframes_t);
453         Gtk::Menu* build_track_context_menu (jack_nframes_t);
454         Gtk::Menu* build_track_bus_context_menu (jack_nframes_t);
455         Gtk::Menu* build_track_region_context_menu (jack_nframes_t frame);
456         Gtk::Menu* build_track_crossfade_context_menu (jack_nframes_t);
457         Gtk::Menu* build_track_selection_context_menu (jack_nframes_t);
458         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
459         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
460         void add_region_context_items (StreamView*, ARDOUR::Region*, Gtk::Menu_Helpers::MenuList&);
461         void add_crossfade_context_items (StreamView*, ARDOUR::Crossfade*, Gtk::Menu_Helpers::MenuList&, bool many);
462         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
463
464         void handle_new_route (ARDOUR::Route&);
465         void handle_new_route_p (ARDOUR::Route*);
466         void remove_route (TimeAxisView *);
467         bool route_removal;
468
469         Gtk::HBox           global_hpacker;
470         Gtk::VBox           global_vpacker;
471         Gtk::VBox           vpacker;
472
473         Gdk::Cursor*          current_canvas_cursor;
474
475         ArdourCanvas::CanvasAA track_canvas;
476         ArdourCanvas::CanvasAA time_canvas;
477
478         ArdourCanvas::Text* first_action_message;
479         ArdourCanvas::Text* verbose_canvas_cursor;
480         bool                 verbose_cursor_visible;
481
482         void session_control_changed (ARDOUR::Session::ControlType);
483         void queue_session_control_changed (ARDOUR::Session::ControlType);
484
485         
486         bool track_canvas_motion (GdkEvent*);
487
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         ArdourCanvas::Group      *minsec_group;
503         ArdourCanvas::Group      *bbt_group;
504         ArdourCanvas::Group      *smpte_group;
505         ArdourCanvas::Group      *frame_group;
506         ArdourCanvas::Group      *tempo_group;
507         ArdourCanvas::Group      *meter_group;
508         ArdourCanvas::Group      *marker_group;
509         ArdourCanvas::Group      *range_marker_group;
510         ArdourCanvas::Group      *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 **, gdouble, gdouble, gint);
548         static gint _metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
549         static gint _metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
550         static gint _metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
551         
552         gint metric_get_smpte (GtkCustomRulerMark **, gdouble, gdouble, gint);
553         gint metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
554         gint metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
555         gint metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, 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         ArdourCanvas::SimpleRect* tempo_bar;
572         ArdourCanvas::SimpleRect* meter_bar;
573         ArdourCanvas::SimpleRect* marker_bar;
574         ArdourCanvas::SimpleRect* range_marker_bar;
575         ArdourCanvas::SimpleRect* transport_marker_bar;
576
577         
578         ArdourCanvas::SimpleLine* tempo_line;
579         ArdourCanvas::SimpleLine* meter_line;
580         ArdourCanvas::SimpleLine* marker_line;
581         ArdourCanvas::SimpleLine* range_marker_line;
582         ArdourCanvas::SimpleLine* transport_marker_line;
583
584         Gtk::Label  minsec_label;
585         Gtk::Label  bbt_label;
586         Gtk::Label  smpte_label;
587         Gtk::Label  frame_label;
588         Gtk::Label  tempo_label;
589         Gtk::Label  meter_label;
590         Gtk::Label  mark_label;
591         Gtk::Label  range_mark_label;
592         Gtk::Label  transport_mark_label;
593         
594
595         Gtk::VBox          time_button_vbox;
596         Gtk::HBox          time_button_hbox;
597
598         struct Cursor {
599             Editor&               editor;
600             ArdourCanvas::Points  points;
601             ArdourCanvas::Line    canvas_item;
602             jack_nframes_t        current_frame;
603             double                length;
604
605             Cursor (Editor&, const string& color, bool (Editor::*)(GdkEvent*,ArdourCanvas::Item*));
606             ~Cursor ();
607
608             void set_position (jack_nframes_t);
609             void set_length (double units);
610             void set_y_axis (double position);
611         };
612
613         friend struct Cursor; /* it needs access to several private
614                                  fields. XXX fix me.
615                               */
616
617         Cursor* playhead_cursor;
618         Cursor* edit_cursor;
619         ArdourCanvas::Group* cursor_group;
620
621         void    cursor_to_next_region_point (Cursor*, ARDOUR::RegionPoint);
622         void    cursor_to_previous_region_point (Cursor*, ARDOUR::RegionPoint);
623         void    cursor_to_region_point (Cursor*, ARDOUR::RegionPoint, int32_t dir);
624         void    cursor_to_selection_start (Cursor *);
625         void    cursor_to_selection_end   (Cursor *);
626
627         ARDOUR::Region* find_next_region (jack_nframes_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
628
629         vector<jack_nframes_t> region_boundary_cache;
630         void build_region_boundary_cache ();
631
632         Gtk::VBox           trackview_vpacker;
633
634         Gtk::HBox           top_hbox;
635         Gtk::HBox           bottom_hbox;
636         
637         Gtk::Table          edit_packer;
638         Gtk::Frame          edit_frame;
639         Gtk::VScrollbar     edit_vscrollbar;
640
641         /* the horizontal scroller works in a rather different way
642            than a regular scrollbar, since its used for
643            zoom control/indication as well. But more importantly,
644            its different components (slider, left arrow, right arrow) 
645            have to be packed separately into the edit_packer.
646         */
647
648         Gtk::HScrollbar     edit_hscrollbar;
649         Gtk::DrawingArea    edit_hscroll_slider;
650         Gtk::Arrow          edit_hscroll_left_arrow;
651         Gtk::Arrow          edit_hscroll_right_arrow;
652         Gtk::EventBox       edit_hscroll_left_arrow_event;
653         Gtk::EventBox       edit_hscroll_right_arrow_event;
654         gint                edit_hscroll_slider_width;
655         gint                edit_hscroll_slider_height;
656         static const gint   edit_hscroll_edge_width = 3;
657         bool                edit_hscroll_dragging;
658         double              edit_hscroll_drag_last;
659         
660         void hscroll_slider_allocate (Gtk::Allocation &);
661         gint hscroll_slider_expose (GdkEventExpose*);
662         gint hscroll_slider_button_press (GdkEventButton*);
663         gint hscroll_slider_button_release (GdkEventButton*);
664         gint hscroll_slider_motion (GdkEventMotion*);
665
666         gint hscroll_trough_expose (GdkEventExpose*);
667         gint hscroll_trough_button_press (GdkEventButton*);
668         gint hscroll_trough_button_release (GdkEventButton*);
669
670         void update_hscroller ();
671
672         gint hscroll_left_arrow_button_press (GdkEventButton *);
673         gint hscroll_left_arrow_button_release (GdkEventButton *);
674         gint hscroll_right_arrow_button_press (GdkEventButton *);
675         gint hscroll_right_arrow_button_release (GdkEventButton *);
676         
677         guint32             canvas_width;
678         guint32             canvas_height;
679
680         Gtk::ScrolledWindow  track_canvas_scroller;
681         Gtk::ScrolledWindow  time_canvas_scroller;
682         Gtk::ScrolledWindow  edit_controls_scroller;
683
684         bool track_canvas_map_handler (GdkEventAny*);
685         bool time_canvas_map_handler (GdkEventAny*);
686
687         gint edit_controls_button_release (GdkEventButton*);
688         Gtk::Menu *edit_controls_left_menu;
689         Gtk::Menu *edit_controls_right_menu;
690
691         void track_canvas_scroller_realized ();
692         void time_canvas_scroller_realized ();
693
694         Gtk::VBox           track_canvas_vbox;
695         Gtk::VBox           time_canvas_vbox;
696         Gtk::VBox           edit_controls_vbox;
697         Gtk::HBox           edit_controls_hbox;
698
699         void tie_vertical_scrolling ();
700         void canvas_horizontally_scrolled ();
701         void reposition_and_zoom (jack_nframes_t sample, double fpu);
702         gint deferred_reposition_and_zoom (jack_nframes_t sample, double fpu);
703         void end_location_changed (ARDOUR::Location*);
704         bool repos_zoom_queued;
705         bool no_zoom_repos_update;
706         bool no_tempo_map_update;
707
708         struct RegionListDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
709             RegionListDisplayModelColumns() {
710                     add (name);
711                     add (region);
712             }
713             Gtk::TreeModelColumn<Glib::ustring> name;
714             Gtk::TreeModelColumn<ARDOUR::Region*> region;
715         };
716             
717         RegionListDisplayModelColumns    region_list_columns;
718         Gtk::TreeView                    region_list_display;
719         Glib::RefPtr<Gtk::TreeStore>     region_list_model;
720         Glib::RefPtr<Gtk::TreeModelSort> region_list_sort_model;
721         Glib::RefPtr<Gtk::Action>        toggle_full_region_list_action;
722
723         void region_list_selection_changed ();
724
725         Gtk::Menu          *region_list_menu;
726         Gtk::ScrolledWindow region_list_scroller;
727         Gtk::Frame          region_list_frame;
728
729         bool region_list_display_key_press (GdkEventKey *);
730         bool region_list_display_key_release (GdkEventKey *);
731         bool region_list_display_button_press (GdkEventButton *);
732         bool region_list_display_button_release (GdkEventButton *);
733         void region_list_clear ();
734         void region_list_selection_mapover (sigc::slot<void,ARDOUR::Region&>);
735         void build_region_list_menu ();
736
737         Gtk::CheckMenuItem* toggle_auto_regions_item;
738         Gtk::CheckMenuItem* toggle_full_region_list_item;
739
740         Gtk::MenuItem* import_audio_item;
741         Gtk::MenuItem* embed_audio_item;
742
743         bool show_automatic_regions_in_region_list;
744         Editing::RegionListSortType region_list_sort_type;
745
746         void reset_region_list_sort_direction (bool);
747         void reset_region_list_sort_type (Editing::RegionListSortType);
748
749         void toggle_full_region_list ();
750         void toggle_show_auto_regions ();
751
752         int region_list_sorter (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
753
754         /* named selections */
755
756         struct NamedSelectionDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
757             NamedSelectionDisplayModelColumns() { 
758                     add (text);
759                     add (selection);
760             }
761             Gtk::TreeModelColumn<Glib::ustring>  text;
762             Gtk::TreeModelColumn<ARDOUR::NamedSelection*>    selection;
763         };
764
765         NamedSelectionDisplayModelColumns named_selection_columns;
766         Glib::RefPtr<Gtk::TreeStore>     named_selection_model;
767
768         Gtk::VPaned         region_selection_vpane;
769         Gtk::TreeView          named_selection_display;
770         Gtk::ScrolledWindow named_selection_scroller;
771
772         void name_selection();
773         void named_selection_name_chosen ();
774         void create_named_selection (string);
775         void paste_named_selection (float times);
776
777         void handle_new_named_selection ();
778         void add_named_selection_to_named_selection_display (ARDOUR::NamedSelection&);
779         void redisplay_named_selections ();
780
781         gint named_selection_display_button_press (GdkEventButton *ev);
782         void named_selection_display_selection_changed ();
783
784         /* track views */
785         int track_spacing;
786         TrackViewList  track_views;
787         TimeAxisView     *trackview_by_y_position (double ypos);
788
789         static Gdk::Cursor* cross_hair_cursor;
790         static Gdk::Cursor* trimmer_cursor;
791         static Gdk::Cursor* selector_cursor;
792         static Gdk::Cursor* grabber_cursor;
793         static Gdk::Cursor* zoom_cursor;
794         static Gdk::Cursor* time_fx_cursor;
795         static Gdk::Cursor* fader_cursor;
796         static Gdk::Cursor* speaker_cursor;
797         static Gdk::Cursor* null_cursor;
798         static Gdk::Cursor* wait_cursor;
799         static Gdk::Cursor* timebar_cursor;
800
801         static void build_cursors ();
802
803         sigc::connection scroll_connection;
804         jack_nframes_t last_update_frame;
805         void center_screen (jack_nframes_t);
806         void center_screen_internal (jack_nframes_t, float);
807         
808         void update_current_screen ();
809         sigc::connection slower_update_connection;
810         void update_slower ();
811         
812         gint show_track_context_menu (GdkEventButton *);
813         void hide_track_context_menu ();
814
815         void session_going_away ();
816
817         jack_nframes_t cut_buffer_start;
818         jack_nframes_t cut_buffer_length;
819
820         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
821         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
822         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
823         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
824         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
825         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
826         
827         /* KEYMAP HANDLING */
828
829         void register_actions ();
830
831         int ensure_cursor (jack_nframes_t* pos);
832
833         void fake_handle_new_audio_region (ARDOUR::AudioRegion *);
834         void handle_new_audio_region (ARDOUR::AudioRegion *);
835         void fake_handle_audio_region_removed (ARDOUR::AudioRegion *);
836         void handle_audio_region_removed (ARDOUR::AudioRegion *);
837         void add_audio_region_to_region_display (ARDOUR::AudioRegion *);
838         void region_hidden (ARDOUR::Region*);
839         void redisplay_regions ();
840         void insert_into_tmp_audio_regionlist(ARDOUR::AudioRegion *);
841
842         list<ARDOUR::AudioRegion *> tmp_audio_region_list;
843
844         void cut_copy (Editing::CutCopyOp);
845         void cut_copy_points (Editing::CutCopyOp);
846         void cut_copy_regions (Editing::CutCopyOp);
847         void cut_copy_ranges (Editing::CutCopyOp);
848
849         void mouse_paste ();
850         void paste_internal (jack_nframes_t position, float times);
851
852         /* EDITING OPERATIONS */
853         
854         void toggle_region_mute ();
855         void toggle_region_opaque ();
856         void raise_region ();
857         void raise_region_to_top ();
858         void lower_region ();
859         void lower_region_to_bottom ();
860         void split_region ();
861         void split_region_at (jack_nframes_t);
862         void split_regions_at (jack_nframes_t, AudioRegionSelection&);
863         void crop_region_to_selection ();
864         void set_region_sync_from_edit_cursor ();
865         void remove_region_sync();
866         void align_selection (ARDOUR::RegionPoint, jack_nframes_t position);
867         void align_selection_relative (ARDOUR::RegionPoint point, jack_nframes_t position);
868         void align_region (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
869         void align_region_internal (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
870         void remove_some_regions ();
871         void remove_clicked_region ();
872         void destroy_clicked_region ();
873         void edit_region ();
874         void duplicate_some_regions (AudioRegionSelection&, float times);
875         void duplicate_selection (float times);
876         void region_fill_selection ();
877
878         void region_fill_track ();
879         void audition_playlist_region_standalone (ARDOUR::AudioRegion&);
880         void audition_playlist_region_via_route (ARDOUR::AudioRegion&, ARDOUR::Route&);
881         void split_multichannel_region();
882         void reverse_region ();
883         void normalize_region ();
884         void denormalize_region ();
885
886         void audition_region_from_region_list ();
887         void hide_region_from_region_list ();
888         void remove_region_from_region_list ();
889
890         void align (ARDOUR::RegionPoint);
891         void align_relative (ARDOUR::RegionPoint);
892         void naturalize ();
893
894         void cut ();
895         void copy ();
896         void paste (float times);
897
898         int  get_prefix (float&, bool&);
899
900         void keyboard_paste ();
901         void keyboard_duplicate_region ();
902         void keyboard_duplicate_selection ();
903         void keyboard_nudge ();
904         void keyboard_insert_region_list_selection ();
905
906         void region_from_selection ();
907         void create_region_from_selection (std::vector<ARDOUR::AudioRegion*>&);
908
909         bool region_renamed;
910         void rename_region ();
911         void rename_region_finished (bool);
912
913         void play_from_start ();
914         void play_from_edit_cursor ();
915         void play_selected_region ();
916         void audition_selected_region ();
917         void toggle_loop_playback ();
918         void loop_selected_region ();
919         void play_location (ARDOUR::Location&);
920         void loop_location (ARDOUR::Location&);
921
922         Editing::ZoomFocus zoom_focus;
923
924         void temporal_zoom_selection ();
925         void temporal_zoom_session ();
926         void temporal_zoom (gdouble scale);
927         void temporal_zoom_by_frame (jack_nframes_t start, jack_nframes_t end, string op);
928         void temporal_zoom_to_frame (bool coarser, jack_nframes_t frame);
929
930         void amplitude_zoom (gdouble scale);
931         void amplitude_zoom_step (bool in);
932
933         void insert_region_list_drag (ARDOUR::AudioRegion&);
934         void insert_region_list_selection (float times);
935
936         void insert_sndfile (bool as_tracks);
937         void embed_audio ();    // inserts into region list
938         int  reject_because_rate_differs (string path, SF_INFO& finfo, string action, bool multiple_pending);
939
940         void do_embed_sndfiles (vector<string> paths, bool split);
941         void embed_sndfile (string path, bool split, bool multiple_files, bool& check_sr);
942
943         void do_insert_sndfile (vector<string> path, bool multi, jack_nframes_t frame);
944         void insert_paths_as_new_tracks (std::vector<std::string> paths, bool multi); // inserts files as new tracks
945         void insert_sndfile_into (string path, bool multi, AudioTimeAxisView* tv, jack_nframes_t& frame, bool prompt=true);
946         static void* _insert_sndfile_thread (void*);
947         void*  insert_sndfile_thread (void*);
948
949         /* generic interthread progress window */
950         
951         ArdourDialog* interthread_progress_window;
952         Gtk::Label interthread_progress_label;
953         Gtk::VBox interthread_progress_vbox;
954         Gtk::ProgressBar interthread_progress_bar;
955         Gtk::Button interthread_cancel_button;
956         Gtk::Label interthread_cancel_label;
957         sigc::connection  interthread_progress_connection;
958         void interthread_cancel_clicked ();
959         void build_interthread_progress_window ();
960         ARDOUR::InterThreadInfo* current_interthread_info;
961
962         /* import specific info */
963
964         ARDOUR::Session::import_status import_status;
965         gint import_progress_timeout (void *);
966         static void *_import_thread (void *);
967         void* import_thread ();
968         void catch_new_audio_region (ARDOUR::AudioRegion*);
969         ARDOUR::AudioRegion* last_audio_region;
970
971         /* to support this ... */
972
973         void import_audio (bool as_tracks);
974         void do_import (vector<string> paths, bool split, bool as_tracks);
975
976         void move_to_start ();
977         void move_to_end ();
978         void goto_frame ();
979         void center_playhead ();
980         void center_edit_cursor ();
981         void edit_cursor_backward ();
982         void edit_cursor_forward ();
983         void playhead_backward ();
984         void playhead_forward ();
985         void scroll_backward (float pages=0.8f);
986         void scroll_forward (float pages=0.8f);
987         void scroll_tracks_down ();
988         void scroll_tracks_up ();
989         void delete_sample_forward ();
990         void delete_sample_backward ();
991         void delete_screen ();
992         void search_backwards ();
993         void search_forwards ();
994         void set_mark ();
995         void clear_markers ();
996         void clear_ranges ();
997         void clear_locations ();
998         void jump_forward_to_mark ();
999         void jump_backward_to_mark ();
1000         void cursor_align (bool playhead_to_edit);
1001
1002         void remove_last_capture ();
1003
1004         void set_selection_from_range (ARDOUR::Location&);
1005         void set_selection_from_punch ();
1006         void set_selection_from_loop ();
1007
1008         void add_location_from_selection ();
1009         void set_route_loop_selection ();
1010
1011         void add_location_from_playhead_cursor ();
1012
1013         void reverse_selection ();
1014         void edit_envelope ();
1015
1016         void start_scrolling ();
1017         void stop_scrolling ();
1018
1019         void keyboard_selection_begin ();
1020         void keyboard_selection_finish (bool add);
1021         bool have_pending_keyboard_selection;
1022         jack_nframes_t pending_keyboard_selection_start;
1023
1024         ARDOUR::AudioRegion* select_region_for_operation (int dir, TimeAxisView **tv);
1025         void extend_selection_to_end_of_region (bool next);
1026         void extend_selection_to_start_of_region (bool previous);
1027
1028         Editing::SnapType snap_type;
1029         Editing::SnapMode snap_mode;
1030         double snap_threshold;
1031
1032         void soundfile_chosen_for_insert (string selection, bool split_channels);
1033         void soundfile_chosen_for_embed (string selection, bool split_channels);
1034         void soundfile_chosen_for_import (string selection, bool split_channels);
1035
1036         void handle_gui_changes (string, void *);
1037
1038         void    hide_all_tracks (bool with_select);
1039
1040         void route_display_selection_changed ();
1041         void redisplay_route_list();
1042         gint route_list_reordered ();
1043         bool ignore_route_list_reorder;
1044         void queue_route_list_reordered ();
1045
1046         struct DragInfo {
1047           ArdourCanvas::Item* item;
1048             void* data;
1049             jack_nframes_t last_frame_position;
1050             int32_t pointer_frame_offset;
1051             jack_nframes_t grab_frame;
1052             jack_nframes_t last_pointer_frame;
1053             jack_nframes_t current_pointer_frame;
1054             double grab_x, grab_y;
1055             double cumulative_x_drag;
1056             double cumulative_y_drag;
1057             double current_pointer_x;
1058             double current_pointer_y;
1059           void (Editor::*motion_callback)(ArdourCanvas::Item*, GdkEvent*);
1060           void (Editor::*finished_callback)(ArdourCanvas::Item*, GdkEvent*);
1061             TimeAxisView* last_trackview;
1062             bool x_constrained;
1063             bool copy;
1064             bool was_rolling;
1065             bool first_move;
1066             bool move_threshold_passsed;
1067             bool want_move_threshold;
1068             bool brushing;
1069             ARDOUR::Location* copied_location;
1070         } drag_info;
1071
1072         struct LineDragInfo {
1073             uint32_t before;
1074             uint32_t after;
1075         };
1076
1077         LineDragInfo current_line_drag_info;
1078
1079         void start_grab (GdkEvent*, Gdk::Cursor* cursor = 0);
1080         bool end_grab (ArdourCanvas::Item*, GdkEvent*);
1081
1082         Gtk::Menu fade_context_menu;
1083         void popup_fade_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1084
1085         void start_fade_in_grab (ArdourCanvas::Item*, GdkEvent*);
1086         void start_fade_out_grab (ArdourCanvas::Item*, GdkEvent*);
1087         void fade_in_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1088         void fade_out_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1089         void fade_in_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1090         void fade_out_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1091         
1092         std::set<ARDOUR::Playlist*> motion_frozen_playlists;
1093         void region_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1094         void region_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1095         void region_copy_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1096
1097         void cursor_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1098         void cursor_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1099         void marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1100         void marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1101         void control_point_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1102         void control_point_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1103         void line_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1104         void line_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1105
1106         void tempo_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1107         void tempo_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1108         void meter_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1109         void meter_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1110
1111         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1112
1113         void start_region_grab (ArdourCanvas::Item*, GdkEvent*);
1114         void start_region_copy_grab (ArdourCanvas::Item*, GdkEvent*);
1115         void start_region_brush_grab (ArdourCanvas::Item*, GdkEvent*);
1116         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1117         void start_cursor_grab (ArdourCanvas::Item*, GdkEvent*);
1118         void start_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1119         void start_control_point_grab (ArdourCanvas::Item*, GdkEvent*);
1120         void start_line_grab_from_regionview (ArdourCanvas::Item*, GdkEvent*);
1121         void start_line_grab_from_line (ArdourCanvas::Item*, GdkEvent*);
1122         void start_line_grab (AutomationLine *, GdkEvent*);
1123         void start_tempo_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1124         void start_meter_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1125
1126         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1127
1128         void remove_gain_control_point (ArdourCanvas::Item*, GdkEvent*);
1129         void remove_control_point (ArdourCanvas::Item*, GdkEvent*);
1130
1131         void mouse_brush_insert_region (AudioRegionView*, jack_nframes_t pos);
1132         void brush (jack_nframes_t);
1133
1134         void show_verbose_time_cursor (jack_nframes_t frame, double offset = 0, double xpos=-1, double ypos=-1);
1135         void show_verbose_duration_cursor (jack_nframes_t start, jack_nframes_t end, double offset = 0, double xpos=-1, double ypos=-1);
1136
1137         /* Canvas event handlers */
1138
1139         // FIXED FOR GTK2
1140
1141
1142         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1143         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1144         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1145         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1146         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1147         bool canvas_crossfade_view_event (GdkEvent* event,ArdourCanvas::Item*, CrossfadeView*);
1148         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1149         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1150         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1151         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1152         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1153         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1154         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1155         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, AudioTimeAxisView*);
1156         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*);
1157         bool canvas_zoom_rect_event (GdkEvent* event,ArdourCanvas::Item*);
1158         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1159         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1160         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) ;
1161
1162         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1163         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1164         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1165         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1166         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1167
1168         bool canvas_imageframe_item_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1169         bool canvas_imageframe_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameTimeAxis*);
1170         bool canvas_imageframe_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1171         bool canvas_imageframe_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1172         bool canvas_marker_time_axis_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerTimeAxis*);
1173         bool canvas_markerview_item_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1174         bool canvas_markerview_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1175         bool canvas_markerview_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1176
1177         /* non-public event handlers */
1178
1179         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1180         bool canvas_edit_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1181         bool track_canvas_event (GdkEvent* event, ArdourCanvas::Item*);
1182
1183         bool track_canvas_button_press_event (GdkEventButton *);
1184         bool track_canvas_button_release_event (GdkEventButton *);
1185         
1186         void track_canvas_allocate (Gtk::Allocation alloc);
1187         void time_canvas_allocate (Gtk::Allocation alloc);
1188
1189         void set_edit_cursor (GdkEvent* event);
1190         void set_playhead_cursor (GdkEvent* event);
1191
1192         void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
1193         void kbd_set_playhead_cursor ();
1194         void kbd_set_edit_cursor ();
1195         void kbd_split ();
1196         void kbd_align (ARDOUR::RegionPoint);
1197         void kbd_align_relative (ARDOUR::RegionPoint);
1198         void kbd_brush ();
1199         void kbd_audition ();
1200
1201         void kbd_do_split (GdkEvent*);
1202         void kbd_do_align (GdkEvent*, ARDOUR::RegionPoint);
1203         void kbd_do_align_relative (GdkEvent*, ARDOUR::RegionPoint);
1204         void kbd_do_brush (GdkEvent*);
1205         void kbd_do_audition (GdkEvent*);
1206
1207         void fake_handle_new_duration ();
1208         void handle_new_duration ();
1209         void initialize_canvas ();
1210         void reset_scrolling_region (Gtk::Allocation* alloc = 0);
1211         void scroll_canvas ();
1212
1213         /* sub-event loop handling */
1214
1215         int32_t sub_event_loop_status;
1216         void run_sub_event_loop ();
1217         void finish_sub_event_loop (int status);
1218         gint finish_sub_event_loop_on_delete (GdkEventAny*, int32_t status);
1219         
1220         /* display control */
1221         
1222         bool _show_measures;
1223         bool _show_waveforms;
1224         bool _follow_playhead;
1225         bool _show_waveforms_recording;
1226         
1227         void add_bbt_marks (ARDOUR::TempoMap::BBTPointList&);
1228
1229         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1230         
1231         typedef vector<ArdourCanvas::SimpleLine*> TimeLineList;
1232         TimeLineList free_measure_lines;
1233         TimeLineList used_measure_lines;
1234
1235         ArdourCanvas::Group* time_line_group;
1236         ArdourCanvas::SimpleLine* get_time_line ();
1237         void hide_measures ();
1238         void draw_measures ();
1239         void draw_time_bars ();
1240
1241         void new_tempo_section ();
1242
1243         void mouse_add_new_tempo_event (jack_nframes_t where);
1244         void mouse_add_new_meter_event (jack_nframes_t where);
1245
1246         void remove_tempo_marker (ArdourCanvas::Item*);
1247         void remove_meter_marker (ArdourCanvas::Item*);
1248         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1249         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1250         
1251         void edit_tempo_section (ARDOUR::TempoSection*);
1252         void edit_meter_section (ARDOUR::MeterSection*);
1253         void edit_tempo_marker (ArdourCanvas::Item*);
1254         void edit_meter_marker (ArdourCanvas::Item*);
1255         
1256         void marker_menu_edit ();
1257         void marker_menu_remove ();
1258         void marker_menu_rename ();
1259         void marker_menu_hide ();
1260         void marker_menu_loop_range ();
1261         void marker_menu_play_from ();
1262         void marker_menu_set_playhead ();
1263         void marker_menu_set_from_playhead ();
1264         void marker_menu_set_from_selection ();
1265         void new_transport_marker_menu_set_loop ();
1266         void new_transport_marker_menu_set_punch ();
1267         void update_loop_range_view (bool visibility=false);
1268         void update_punch_range_view (bool visibility=false);
1269         gint new_transport_marker_menu_popdown (GdkEventAny*);
1270         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1271         void tm_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1272         void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1273         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1274         void build_marker_menu ();
1275         void build_tm_marker_menu ();
1276         void build_transport_marker_menu ();
1277         void build_new_transport_marker_menu ();
1278
1279         Gtk::Menu* tm_marker_menu;
1280         Gtk::Menu* marker_menu;
1281         Gtk::Menu* transport_marker_menu;
1282         Gtk::Menu* new_transport_marker_menu;
1283         ArdourCanvas::Item* marker_menu_item;
1284
1285         typedef list<Marker*> Marks;
1286         Marks metric_marks;
1287
1288         void remove_metric_marks ();
1289         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1290
1291         void tempo_map_changed (ARDOUR::Change);
1292         void redisplay_tempo ();
1293         
1294         void snap_to (jack_nframes_t& first, int32_t direction = 0, bool for_mark = false);
1295         uint32_t bbt_beat_subdivision;
1296
1297         /* toolbar */
1298         
1299         Gtk::ToggleButton        editor_mixer_button;
1300
1301         void editor_mixer_button_toggled ();
1302
1303         AudioClock               selection_start_clock;
1304         Gtk::Label               selection_start_clock_label;
1305         AudioClock               selection_end_clock;
1306         Gtk::Label               selection_end_clock_label;
1307         AudioClock               edit_cursor_clock;
1308         Gtk::Label               edit_cursor_clock_label;
1309         AudioClock               zoom_range_clock;
1310         Gtk::Button              zoom_in_button;
1311         Gtk::Button              zoom_out_button;
1312         Gtk::Button              zoom_out_full_button;
1313         Gtk::Button              zoom_onetoone_button;
1314
1315         Gtk::VBox                toolbar_clock_vbox;
1316         Gtk::VBox                toolbar_selection_clock_vbox; 
1317         Gtk::Table               toolbar_selection_clock_table;
1318         Gtk::Label               toolbar_selection_cursor_label;
1319         
1320         Gtk::Table               mouse_mode_button_table;
1321         Gtkmm2ext::TearOff*       mouse_mode_tearoff;
1322         Gtk::ToggleButton        mouse_select_button;
1323         Gtk::ToggleButton        mouse_move_button;
1324         Gtk::ToggleButton        mouse_gain_button;
1325         Gtk::ToggleButton        mouse_zoom_button;
1326         Gtk::ToggleButton        mouse_timefx_button;
1327         Gtk::ToggleButton        mouse_audition_button;
1328         GroupedButtons          *mouse_mode_button_set;
1329         void                     mouse_mode_toggled (Editing::MouseMode m);
1330         bool                     ignore_mouse_mode_toggle;
1331
1332         gint                     mouse_select_button_release (GdkEventButton*);
1333
1334         Gtk::VBox                automation_box;
1335         Gtk::Button              automation_mode_button;
1336         Gtk::ToggleButton        global_automation_button;
1337
1338         Gtk::ComboBoxText edit_mode_selector;
1339         Gtk::Label               edit_mode_label;
1340         Gtk::VBox                edit_mode_box;
1341
1342         void edit_mode_selection_done ();
1343
1344         Gtk::ComboBoxText snap_type_selector;
1345         Gtk::Label               snap_type_label;
1346         Gtk::VBox                snap_type_box;
1347
1348         void snap_type_selection_done ();
1349
1350         Gtk::ComboBoxText               snap_mode_selector;
1351         Gtk::Label               snap_mode_label;
1352         Gtk::VBox                snap_mode_box;
1353
1354         void snap_mode_selection_done ();
1355         
1356         Gtk::ComboBoxText zoom_focus_selector;
1357         Gtk::Label               zoom_focus_label;
1358         Gtk::VBox                zoom_focus_box;
1359         
1360         void zoom_focus_selection_done ();
1361
1362         Gtk::Label          zoom_indicator_label;
1363         Gtk::HBox           zoom_indicator_box;
1364         Gtk::VBox           zoom_indicator_vbox;
1365
1366         void                update_zoom_indicator ();
1367         void                zoom_adjustment_changed();
1368
1369         void                edit_cursor_clock_changed();
1370         
1371         void setup_toolbar ();
1372
1373         Gtkmm2ext::TearOff*       tools_tearoff;
1374         Gtk::HBox                toolbar_hbox;
1375         Gtk::EventBox            toolbar_base;
1376         Gtk::Frame               toolbar_frame;
1377
1378         /* selection process */
1379
1380         Selection* selection;
1381         Selection* cut_buffer;
1382
1383         void time_selection_changed ();
1384         void track_selection_changed ();
1385         void region_selection_changed ();
1386         void point_selection_changed ();
1387         void audio_track_selection_changed ();
1388         void line_selection_changed ();
1389
1390         enum SelectionOp {
1391                 CreateSelection,
1392                 SelectionStartTrim,
1393                 SelectionEndTrim,
1394                 SelectionMove
1395         } selection_op;
1396
1397         void start_selection_op (ArdourCanvas::Item* item, GdkEvent* event, SelectionOp);
1398         void drag_selection (ArdourCanvas::Item* item, GdkEvent* event);
1399         void end_selection_op (ArdourCanvas::Item* item, GdkEvent* event);
1400         void cancel_selection ();
1401
1402         void region_selection_op (void (ARDOUR::Region::*pmf)(void));
1403         void region_selection_op (void (ARDOUR::Region::*pmf)(void*), void*);
1404         void region_selection_op (void (ARDOUR::Region::*pmf)(bool), bool);
1405
1406         bool audio_region_selection_covers (jack_nframes_t where);
1407
1408         Gtk::VPaned  route_group_vpane;
1409         Gtk::Frame   route_list_frame;
1410         Gtk::Frame   edit_group_list_frame;
1411
1412         /* transport range select process */
1413         enum RangeMarkerOp {
1414                 CreateRangeMarker,
1415                 CreateTransportMarker
1416         } range_marker_op;
1417
1418         void start_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event, RangeMarkerOp);
1419         void drag_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
1420         void end_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
1421
1422         ArdourCanvas::SimpleRect*  range_bar_drag_rect;
1423         ArdourCanvas::SimpleRect*  transport_bar_drag_rect;
1424         ArdourCanvas::Line*        marker_drag_line;
1425         ArdourCanvas::Points       marker_drag_line_points;
1426         ArdourCanvas::SimpleRect*  range_marker_drag_rect;
1427
1428         void update_marker_drag_item (ARDOUR::Location *);
1429         
1430         ArdourCanvas::SimpleRect     *transport_bar_range_rect;
1431         ArdourCanvas::SimpleRect     *transport_bar_preroll_rect;
1432         ArdourCanvas::SimpleRect     *transport_bar_postroll_rect;
1433         ArdourCanvas::SimpleRect     *transport_loop_range_rect;
1434         ArdourCanvas::SimpleRect     *transport_punch_range_rect;
1435         ArdourCanvas::SimpleLine     *transport_punchin_line;
1436         ArdourCanvas::SimpleLine     *transport_punchout_line;
1437         ArdourCanvas::SimpleRect     *transport_preroll_rect;
1438         ArdourCanvas::SimpleRect     *transport_postroll_rect;
1439
1440         ARDOUR::Location*  transport_loop_location();
1441         ARDOUR::Location*  transport_punch_location();
1442
1443         ARDOUR::Location   *temp_location;
1444         
1445         /* object rubberband select process */
1446         
1447         void start_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1448         void drag_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1449         void end_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1450
1451         bool select_all_within (jack_nframes_t start, jack_nframes_t end, gdouble topy, gdouble boty, bool add);
1452         
1453         ArdourCanvas::SimpleRect   *rubberband_rect;
1454         
1455         /* mouse zoom process */
1456
1457         void start_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1458         void drag_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1459         void end_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1460
1461         ArdourCanvas::SimpleRect   *zoom_rect;
1462         void reposition_zoom_rect (jack_nframes_t start, jack_nframes_t end);
1463         
1464         /* diskstream/route display management */
1465
1466         struct RouteDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
1467             RouteDisplayModelColumns() { 
1468                     add (text);
1469                     add (tv);
1470             }
1471             Gtk::TreeModelColumn<Glib::ustring>  text;
1472             Gtk::TreeModelColumn<TimeAxisView*>    tv;
1473         };
1474
1475         RouteDisplayModelColumns    route_display_columns;
1476         Glib::RefPtr<Gtk::ListStore> route_display_model;
1477         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1478
1479         gint route_list_compare_func (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
1480         Gtk::TreeView          route_list; //GTK2FIX rename to route_display
1481         Gtk::ScrolledWindow route_list_scroller;
1482         Gtk::Menu          *route_list_menu;
1483
1484         void route_list_column_click ();
1485         void build_route_list_menu ();
1486         void select_all_routes ();
1487         void unselect_all_routes ();
1488         void select_all_audiotracks ();
1489         void unselect_all_audiotracks ();
1490         void select_all_audiobus ();
1491         void unselect_all_audiobus ();
1492
1493         /* edit group management */
1494
1495         struct GroupListModelColumns : public Gtk::TreeModel::ColumnRecord {
1496                 GroupListModelColumns () {
1497                        add (is_active);
1498                        add (text);
1499                        add (routegroup);
1500                 }
1501                 Gtk::TreeModelColumn<bool> is_active;
1502                 Gtk::TreeModelColumn<std::string> text;
1503                 Gtk::TreeModelColumn<ARDOUR::RouteGroup*>   routegroup;
1504         };
1505
1506         GroupListModelColumns group_columns;
1507         Glib::RefPtr<Gtk::ListStore> group_model;
1508         Glib::RefPtr<Gtk::TreeSelection> group_selection;
1509
1510         Gtk::Button         edit_group_list_button;
1511         Gtk::Label          edit_group_list_button_label;
1512         Gtk::TreeView       edit_group_list;
1513         Gtk::ScrolledWindow edit_group_list_scroller;
1514         Gtk::Menu          *edit_group_list_menu;
1515         Gtk::VBox           edit_group_vbox;
1516
1517         void edit_group_list_column_click (gint);
1518         void build_edit_group_list_menu ();
1519         void select_all_edit_groups ();
1520         void unselect_all_edit_groups ();
1521         void new_edit_group ();
1522         void edit_group_list_button_clicked ();
1523         gint edit_group_list_button_press_event (GdkEventButton* ev);
1524         void edit_group_selection_changed ();
1525         void fake_add_edit_group (ARDOUR::RouteGroup* group);
1526         void add_edit_group (ARDOUR::RouteGroup* group);
1527         void group_flags_changed (void*, ARDOUR::RouteGroup*);
1528
1529         Gtk::VBox           list_vpacker;
1530
1531         static GdkPixmap* check_pixmap;
1532         static GdkBitmap* check_mask;
1533         static GdkPixmap* empty_pixmap;
1534         static GdkBitmap* empty_mask;
1535
1536         /* autoscrolling */
1537
1538         int autoscroll_timeout_tag;
1539         int autoscroll_direction;
1540         uint32_t autoscroll_cnt;
1541         jack_nframes_t autoscroll_distance;
1542      
1543         static gint _autoscroll_canvas (void *);
1544         gint autoscroll_canvas ();
1545         void start_canvas_autoscroll (int direction);
1546         void stop_canvas_autoscroll ();
1547         void maybe_autoscroll (GdkEvent*);
1548
1549         /* trimming */
1550         enum TrimOp {
1551                 StartTrim,
1552                 EndTrim,
1553                 ContentsTrim,
1554         } trim_op;
1555
1556         void start_trim (ArdourCanvas::Item*, GdkEvent*);
1557         void point_trim (GdkEvent*);
1558         void trim_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1559         void single_contents_trim (AudioRegionView&, jack_nframes_t, bool, bool, bool);
1560         void single_start_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1561         void single_end_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1562
1563         void trim_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1564         void thaw_region_after_trim (AudioRegionView& rv);
1565         
1566         void trim_region_to_edit_cursor ();
1567         void trim_region_from_edit_cursor ();
1568
1569         bool show_gain_after_trim;
1570
1571         /* Drag-n-Drop */
1572
1573         int convert_drop_to_paths (std::vector<std::string>& paths,
1574                                    GdkDragContext     *context,
1575                                    gint                x,
1576                                    gint                y,
1577                                    GtkSelectionData   *data,
1578                                    guint               info,
1579                                    guint               time);
1580
1581         void  track_canvas_drag_data_received  (GdkDragContext     *context,
1582                                                 gint                x,
1583                                                 gint                y,
1584                                                 GtkSelectionData   *data,
1585                                                 guint               info,
1586                                                 guint               time);
1587
1588         void  region_list_display_drag_data_received  (GdkDragContext     *context,
1589                                                        gint                x,
1590                                                        gint                y,
1591                                                        GtkSelectionData   *data,
1592                                                        guint               info,
1593                                                        guint               time);
1594         
1595         /* audio export */
1596
1597         ExportDialog *export_dialog;
1598         void export_range (jack_nframes_t start, jack_nframes_t end);
1599
1600         int write_region_selection(AudioRegionSelection&);
1601         bool write_region (string path, ARDOUR::AudioRegion&);
1602         void export_region ();
1603         void write_a_region ();
1604         void bounce_region_selection ();
1605         void bounce_range_selection ();
1606         void external_edit_region ();
1607
1608         int write_audio_selection (TimeSelection&);
1609         bool write_audio_range (ARDOUR::Playlist&, uint32_t channels, list<ARDOUR::AudioRange>&);
1610
1611         void write_selection ();
1612
1613         /* history */
1614
1615         UndoAction get_memento() const;
1616
1617         void begin_reversible_command (string cmd_name);
1618         void commit_reversible_command ();
1619
1620         /* visual history */
1621
1622         UndoHistory visual_history;
1623         UndoCommand current_visual_command;
1624
1625         void begin_reversible_visual_command (string cmd_name);
1626         void commit_reversible_visual_command ();
1627
1628         void update_title ();   
1629         void update_title_s (string snapshot_name);
1630
1631         struct State {
1632             Selection* selection;
1633             double     frames_per_unit;
1634
1635             State();
1636             ~State();
1637         };
1638
1639         void store_state (State&) const;
1640         void restore_state (State *);
1641
1642         void instant_save ();
1643
1644         ARDOUR::AudioRegion* last_audition_region;
1645         
1646         /* freeze operations */
1647
1648         ARDOUR::InterThreadInfo freeze_status;
1649         gint freeze_progress_timeout (void *);
1650         static void* _freeze_thread (void*);
1651         void* freeze_thread ();
1652
1653         void freeze_route ();
1654         void unfreeze_route ();
1655
1656         /* edit-group solo + mute */
1657
1658         void set_edit_group_solo (ARDOUR::Route&, bool);
1659         void set_edit_group_mute (ARDOUR::Route&, bool);
1660
1661         /* duplication */
1662
1663         void duplicate_dialog (bool for_region);
1664         
1665         /* edit menu */
1666
1667         Gtk::Menu* edit_menu;
1668         bool edit_menu_map_handler (GdkEventAny*);
1669
1670         jack_nframes_t event_frame (GdkEvent*, double* px = 0, double* py = 0);
1671
1672         void time_fx_motion (ArdourCanvas::Item*, GdkEvent*);
1673         void start_time_fx (ArdourCanvas::Item*, GdkEvent*);
1674         void end_time_fx (ArdourCanvas::Item*, GdkEvent*);
1675
1676         struct TimeStretchDialog : public ArdourDialog {
1677             ARDOUR::Session::TimeStretchRequest request;
1678             Editor&               editor;
1679             AudioRegionSelection  regions;
1680             Gtk::ProgressBar      progress_bar;
1681             Gtk::ToggleButton     quick_button;
1682             Gtk::ToggleButton     antialias_button;
1683             Gtk::Button           cancel_button;
1684             Gtk::Button           action_button;
1685             Gtk::HBox             lower_button_box;
1686             Gtk::HBox             upper_button_box;
1687             Gtk::VBox             packer;
1688             int                   status;
1689
1690             TimeStretchDialog (Editor& e);
1691
1692             gint update_progress ();
1693             sigc::connection first_cancel;
1694             sigc::connection first_delete;
1695             void cancel_timestretch_in_progress ();
1696             gint delete_timestretch_in_progress (GdkEventAny*);
1697         };
1698
1699         /* "whats mine is yours" */
1700
1701         friend class TimeStretchDialog;
1702
1703         TimeStretchDialog* current_timestretch;
1704
1705         static void* timestretch_thread (void *arg);
1706         int run_timestretch (AudioRegionSelection&, float fraction);
1707         void do_timestretch (TimeStretchDialog&);
1708
1709         /* editor-mixer strip */
1710
1711         MixerStrip *current_mixer_strip;
1712         Gtk::VBox current_mixer_strip_vbox;
1713         void cms_deleted ();
1714         void current_mixer_strip_hidden ();
1715         void current_mixer_strip_removed ();
1716
1717         void detach_tearoff (Gtk::Box* b, Gtk::Window* w);
1718         void reattach_tearoff (Gtk::Box* b, Gtk::Window* w, int32_t n);
1719
1720         /* nudging tracks */
1721
1722         void nudge_track (bool use_edit_cursor, bool forwards);
1723
1724         /* xfades */
1725
1726         bool _xfade_visibility;
1727         
1728         /* <CMT Additions> */
1729         void handle_new_imageframe_time_axis_view(std::string track_name, void* src) ;
1730         void handle_new_imageframe_marker_time_axis_view(std::string track_name, TimeAxisView* marked_track) ;
1731
1732         void start_imageframe_grab(ArdourCanvas::Item*, GdkEvent*) ;
1733         void start_markerview_grab(ArdourCanvas::Item*, GdkEvent*) ;
1734
1735         void imageframe_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1736         void markerview_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1737         void timeaxis_item_drag_finished_callback(ArdourCanvas::Item*, GdkEvent*) ;
1738
1739         gint canvas_imageframe_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1740         gint canvas_imageframe_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
1741         gint canvas_imageframe_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1742         gint canvas_imageframe_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1743
1744         gint canvas_marker_time_axis_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerTimeAxis* mta);
1745         gint canvas_markerview_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1746         gint canvas_markerview_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1747         gint canvas_markerview_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1748
1749         void imageframe_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1750         void imageframe_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1751         void imageframe_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1752         void imageframe_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1753         void imageframe_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1754         void imageframe_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1755         
1756         void markerview_item_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1757         void markerview_item_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1758         void markerview_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1759         void markerview_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1760         void markerview_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1761         void markerview_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1762
1763         void popup_imageframe_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1764         void popup_marker_time_axis_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1765
1766         ImageFrameSocketHandler* image_socket_listener ;
1767         /* </CMT Additions> */
1768
1769         void toggle_xfade_active (ARDOUR::Crossfade*);
1770         void toggle_xfade_length (ARDOUR::Crossfade*);
1771         void edit_xfade (ARDOUR::Crossfade*);
1772         void remove_xfade ();
1773         void xfade_edit_left_region ();
1774         void xfade_edit_right_region ();
1775
1776         static const int32_t default_width = 995;
1777         static const int32_t default_height = 765;
1778
1779         /* nudge */
1780
1781         Gtk::Button      nudge_forward_button;
1782         Gtk::Button      nudge_backward_button;
1783         Gtk::HBox        nudge_hbox;
1784         Gtk::VBox        nudge_vbox;
1785         Gtk::Label       nudge_label;
1786         AudioClock       nudge_clock;
1787
1788         jack_nframes_t get_nudge_distance (jack_nframes_t pos, jack_nframes_t& next);
1789         
1790         /* audio filters */
1791
1792         void apply_filter (ARDOUR::AudioFilter&, string cmd);
1793
1794         /* handling cleanup */
1795
1796         int playlist_deletion_dialog (ARDOUR::Playlist*);
1797
1798         vector<sigc::connection> session_connections;
1799
1800         /* tracking step changes of track height */
1801
1802         TimeAxisView* current_stepping_trackview;
1803         struct timeval last_track_height_step_timestamp;
1804         gint track_height_step_timeout();
1805         sigc::connection step_timeout;
1806
1807         TimeAxisView* entered_track;
1808         AudioRegionView* entered_regionview;
1809         bool clear_entered_track;
1810         gint left_track_canvas (GdkEventCrossing*);
1811         void set_entered_track (TimeAxisView*);
1812         void set_entered_regionview (AudioRegionView*);
1813         gint left_automation_track ();
1814
1815         bool _new_regionviews_show_envelope;
1816
1817         void toggle_gain_envelope_visibility ();
1818         void toggle_gain_envelope_active ();
1819         
1820         typedef std::map<Editing::ColorID,std::string> ColorStyleMap;
1821         void init_colormap ();
1822 };
1823
1824 #endif /* __ardour_editor_h__ */