remove <gtkmm/gtkmm.h> from all files, plus a small fix related to map/realize handling
[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         void on_map ();
311
312   private:
313         
314         ARDOUR::Session     *session;
315         ARDOUR::AudioEngine& engine;
316         bool                 constructed;
317
318         PlaylistSelector* _playlist_selector;
319
320         enum ItemType {
321                 RegionItem,
322                 StreamItem,
323                 PlayheadCursorItem,
324                 EditCursorItem,
325                 MarkerItem,
326                 MarkerBarItem,
327                 RangeMarkerBarItem,
328                 TransportMarkerBarItem,
329                 SelectionItem,
330                 GainControlPointItem,
331                 GainLineItem,
332                 GainAutomationControlPointItem,
333                 GainAutomationLineItem,
334                 PanAutomationControlPointItem,
335                 PanAutomationLineItem,
336                 RedirectAutomationControlPointItem,
337                 RedirectAutomationLineItem,
338                 MeterMarkerItem,
339                 TempoMarkerItem,
340                 MeterBarItem,
341                 TempoBarItem,
342                 AudioRegionViewNameHighlight,
343                 AudioRegionViewName,
344                 StartSelectionTrimItem,
345                 EndSelectionTrimItem,
346                 AutomationTrackItem,
347                 FadeInItem,
348                 FadeInHandleItem,
349                 FadeOutItem,
350                 FadeOutHandleItem,
351
352                 /* <CMT Additions> */
353                 MarkerViewItem,
354                 MarkerTimeAxisItem,
355                 MarkerViewHandleStartItem,
356                 MarkerViewHandleEndItem,
357                 ImageFrameItem,
358                 ImageFrameTimeAxisItem,
359                 ImageFrameHandleStartItem,
360                 ImageFrameHandleEndItem,
361                 /* </CMT Additions> */
362
363                 CrossfadeViewItem,
364                 
365                 /* don't remove this */
366
367                 NoItem
368         };
369
370         void          set_frames_per_unit (double);
371         void          frames_per_unit_modified ();
372
373         Editing::MouseMode mouse_mode;
374         void      mouse_insert (GdkEventButton *);
375
376         void pane_allocation_handler (Gtk::Allocation&, Gtk::Paned*);
377
378         Gtk::HPaned   canvas_region_list_pane;
379         Gtk::HPaned   track_list_canvas_pane;
380
381         Gtk::EventBox meter_base;
382         Gtk::HBox     meter_box;
383         Gtk::EventBox marker_base;
384         Gtk::HBox     marker_box;
385         Gtk::VBox     scrollers_rulers_markers_box;
386
387         void location_changed (ARDOUR::Location *);
388         void location_flags_changed (ARDOUR::Location *, void *);
389         void refresh_location_display ();
390         void refresh_location_display_s (ARDOUR::Change);
391         void refresh_location_display_internal (ARDOUR::Locations::LocationList&);
392         void add_new_location (ARDOUR::Location *);
393         void location_gone (ARDOUR::Location *);
394         void remove_marker (ArdourCanvas::Item&, GdkEvent*);
395         gint really_remove_marker (ARDOUR::Location* loc);
396
397         uint32_t location_marker_color;
398         uint32_t location_range_color;
399         uint32_t location_loop_color;
400         uint32_t location_punch_color;
401         uint32_t location_cd_marker_color;
402
403         struct LocationMarkers {
404             Marker* start;
405             Marker* end;
406
407             ~LocationMarkers ();
408
409             void hide();
410             void show ();
411             void set_name (const string&);
412             void set_position (jack_nframes_t start, jack_nframes_t end = 0);
413             void set_color_rgba (uint32_t);
414         };
415
416         LocationMarkers  *find_location_markers (ARDOUR::Location *);
417         ARDOUR::Location* find_location_from_marker (Marker *, bool& is_start);
418
419         typedef std::map<ARDOUR::Location*,LocationMarkers *> LocationMarkerMap;
420         LocationMarkerMap location_markers;
421
422         void hide_marker (ArdourCanvas::Item*, GdkEvent*);
423         void clear_marker_display ();
424         void mouse_add_new_marker (jack_nframes_t where);
425
426         TimeAxisView*      clicked_trackview;
427         AudioTimeAxisView* clicked_audio_trackview;
428         AudioRegionView*   clicked_regionview;
429         AudioRegionView*   latest_regionview;
430         uint32_t           clicked_selection;
431         CrossfadeView*     clicked_crossfadeview;
432         ControlPoint*      clicked_control_point;
433
434         void catch_vanishing_audio_regionview (AudioRegionView *);
435         void set_selected_control_point_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
436         void set_selected_track_from_click (bool add = false, bool with_undo = true, bool no_remove=false);
437         void set_selected_regionview_from_click (bool add = false, bool no_track_remove=false);
438         void set_selected_regionview_from_region_list (ARDOUR::Region& region, bool add = false);
439         bool set_selected_regionview_from_map_event (GdkEventAny*, StreamView*, ARDOUR::Region*);
440         void collect_new_region_view (AudioRegionView *);
441
442         Gtk::Menu track_context_menu;
443         Gtk::Menu track_region_context_menu;
444         Gtk::Menu track_selection_context_menu;
445         Gtk::Menu track_crossfade_context_menu;
446
447         Gtk::MenuItem* region_edit_menu_split_item;
448         Gtk::MenuItem* region_edit_menu_split_multichannel_item;
449         Gtk::Menu * track_region_edit_playlist_menu;
450         Gtk::Menu * track_edit_playlist_submenu;
451         Gtk::Menu * track_selection_edit_playlist_submenu;
452         
453         void popup_track_context_menu (int, int, ItemType, bool, jack_nframes_t);
454         Gtk::Menu* build_track_context_menu (jack_nframes_t);
455         Gtk::Menu* build_track_bus_context_menu (jack_nframes_t);
456         Gtk::Menu* build_track_region_context_menu (jack_nframes_t frame);
457         Gtk::Menu* build_track_crossfade_context_menu (jack_nframes_t);
458         Gtk::Menu* build_track_selection_context_menu (jack_nframes_t);
459         void add_dstream_context_items (Gtk::Menu_Helpers::MenuList&);
460         void add_bus_context_items (Gtk::Menu_Helpers::MenuList&);
461         void add_region_context_items (StreamView*, ARDOUR::Region*, Gtk::Menu_Helpers::MenuList&);
462         void add_crossfade_context_items (StreamView*, ARDOUR::Crossfade*, Gtk::Menu_Helpers::MenuList&, bool many);
463         void add_selection_context_items (Gtk::Menu_Helpers::MenuList&);
464
465         void handle_new_route (ARDOUR::Route&);
466         void handle_new_route_p (ARDOUR::Route*);
467         void remove_route (TimeAxisView *);
468         bool route_removal;
469
470         Gtk::HBox           global_hpacker;
471         Gtk::VBox           global_vpacker;
472         Gtk::VBox           vpacker;
473
474         Gdk::Cursor*          current_canvas_cursor;
475
476         ArdourCanvas::CanvasAA track_canvas;
477         ArdourCanvas::CanvasAA time_canvas;
478
479         ArdourCanvas::Text* first_action_message;
480         ArdourCanvas::Text* 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         bool track_canvas_motion (GdkEvent*);
488
489         void set_verbose_canvas_cursor (string, double x, double y);
490         void set_verbose_canvas_cursor_text (string);
491         void show_verbose_canvas_cursor();
492         void hide_verbose_canvas_cursor();
493
494         bool verbose_cursor_on; // so far unused
495
496         void flush_track_canvas ();
497         void flush_time_canvas ();
498
499         Gtk::EventBox      time_canvas_event_box;
500         Gtk::EventBox      track_canvas_event_box;
501         Gtk::EventBox      time_button_event_box;
502
503         ArdourCanvas::Group      *minsec_group;
504         ArdourCanvas::Group      *bbt_group;
505         ArdourCanvas::Group      *smpte_group;
506         ArdourCanvas::Group      *frame_group;
507         ArdourCanvas::Group      *tempo_group;
508         ArdourCanvas::Group      *meter_group;
509         ArdourCanvas::Group      *marker_group;
510         ArdourCanvas::Group      *range_marker_group;
511         ArdourCanvas::Group      *transport_marker_group;
512         
513         enum {
514                 ruler_metric_smpte = 0,
515                 ruler_metric_bbt = 1,
516                 ruler_metric_frames = 2,
517                 ruler_metric_minsec = 3,
518
519                 ruler_time_tempo = 4,
520                 ruler_time_meter = 5,
521                 ruler_time_marker = 6,
522                 ruler_time_range_marker = 7,
523                 ruler_time_transport_marker = 8,
524         };
525
526         static GtkCustomMetric ruler_metrics[4];
527         bool                   ruler_shown[9];
528         bool                   no_ruler_shown_update;
529         
530         gint ruler_button_press (GdkEventButton*);
531         gint ruler_button_release (GdkEventButton*);
532         gint ruler_mouse_motion (GdkEventMotion*);
533
534         gint ruler_pressed_button;
535         Gtk::Widget * ruler_grabbed_widget;
536         
537         void initialize_rulers ();
538         void update_just_smpte ();
539         void update_fixed_rulers ();
540         void update_tempo_based_rulers (); 
541         void popup_ruler_menu (jack_nframes_t where = 0, ItemType type = RegionItem);
542         void update_ruler_visibility ();
543         void ruler_toggled (int);
544         gint ruler_label_button_release (GdkEventButton*);
545         void store_ruler_visibility ();
546         void restore_ruler_visibility ();
547         
548         static gint _metric_get_smpte (GtkCustomRulerMark **, gdouble, gdouble, gint);
549         static gint _metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
550         static gint _metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
551         static gint _metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
552         
553         gint metric_get_smpte (GtkCustomRulerMark **, gdouble, gdouble, gint);
554         gint metric_get_bbt (GtkCustomRulerMark **, gdouble, gdouble, gint);
555         gint metric_get_frames (GtkCustomRulerMark **, gdouble, gdouble, gint);
556         gint metric_get_minsec (GtkCustomRulerMark **, gdouble, gdouble, gint);
557
558         GtkWidget          *_smpte_ruler;
559         GtkWidget          *_bbt_ruler;
560         GtkWidget          *_frames_ruler;
561         GtkWidget          *_minsec_ruler;
562         Gtk::Widget        *smpte_ruler;
563         Gtk::Widget        *bbt_ruler;
564         Gtk::Widget        *frames_ruler;
565         Gtk::Widget        *minsec_ruler;
566         static Editor      *ruler_editor;
567
568         static const double timebar_height;
569         guint32 visible_timebars;
570         Gtk::Menu          *editor_ruler_menu;
571         
572         ArdourCanvas::SimpleRect* tempo_bar;
573         ArdourCanvas::SimpleRect* meter_bar;
574         ArdourCanvas::SimpleRect* marker_bar;
575         ArdourCanvas::SimpleRect* range_marker_bar;
576         ArdourCanvas::SimpleRect* transport_marker_bar;
577
578         
579         ArdourCanvas::SimpleLine* tempo_line;
580         ArdourCanvas::SimpleLine* meter_line;
581         ArdourCanvas::SimpleLine* marker_line;
582         ArdourCanvas::SimpleLine* range_marker_line;
583         ArdourCanvas::SimpleLine* transport_marker_line;
584
585         Gtk::Label  minsec_label;
586         Gtk::Label  bbt_label;
587         Gtk::Label  smpte_label;
588         Gtk::Label  frame_label;
589         Gtk::Label  tempo_label;
590         Gtk::Label  meter_label;
591         Gtk::Label  mark_label;
592         Gtk::Label  range_mark_label;
593         Gtk::Label  transport_mark_label;
594         
595
596         Gtk::VBox          time_button_vbox;
597         Gtk::HBox          time_button_hbox;
598
599         struct Cursor {
600             Editor&               editor;
601             ArdourCanvas::Points  points;
602             ArdourCanvas::Line    canvas_item;
603             jack_nframes_t        current_frame;
604             double                length;
605
606             Cursor (Editor&, const string& color, bool (Editor::*)(GdkEvent*,ArdourCanvas::Item*));
607             ~Cursor ();
608
609             void set_position (jack_nframes_t);
610             void set_length (double units);
611             void set_y_axis (double position);
612         };
613
614         friend struct Cursor; /* it needs access to several private
615                                  fields. XXX fix me.
616                               */
617
618         Cursor* playhead_cursor;
619         Cursor* edit_cursor;
620         ArdourCanvas::Group* cursor_group;
621
622         void    cursor_to_next_region_point (Cursor*, ARDOUR::RegionPoint);
623         void    cursor_to_previous_region_point (Cursor*, ARDOUR::RegionPoint);
624         void    cursor_to_region_point (Cursor*, ARDOUR::RegionPoint, int32_t dir);
625         void    cursor_to_selection_start (Cursor *);
626         void    cursor_to_selection_end   (Cursor *);
627
628         ARDOUR::Region* find_next_region (jack_nframes_t, ARDOUR::RegionPoint, int32_t dir, TrackViewList&, TimeAxisView ** = 0);
629
630         vector<jack_nframes_t> region_boundary_cache;
631         void build_region_boundary_cache ();
632
633         Gtk::VBox           trackview_vpacker;
634
635         Gtk::HBox           top_hbox;
636         Gtk::HBox           bottom_hbox;
637         
638         Gtk::Table          edit_packer;
639         Gtk::Frame          edit_frame;
640         Gtk::VScrollbar     edit_vscrollbar;
641
642         /* the horizontal scroller works in a rather different way
643            than a regular scrollbar, since its used for
644            zoom control/indication as well. But more importantly,
645            its different components (slider, left arrow, right arrow) 
646            have to be packed separately into the edit_packer.
647         */
648
649         Gtk::HScrollbar     edit_hscrollbar;
650         Gtk::DrawingArea    edit_hscroll_slider;
651         Gtk::Arrow          edit_hscroll_left_arrow;
652         Gtk::Arrow          edit_hscroll_right_arrow;
653         Gtk::EventBox       edit_hscroll_left_arrow_event;
654         Gtk::EventBox       edit_hscroll_right_arrow_event;
655         gint                edit_hscroll_slider_width;
656         gint                edit_hscroll_slider_height;
657         static const gint   edit_hscroll_edge_width = 3;
658         bool                edit_hscroll_dragging;
659         double              edit_hscroll_drag_last;
660         
661         void hscroll_slider_allocate (Gtk::Allocation &);
662         gint hscroll_slider_expose (GdkEventExpose*);
663         gint hscroll_slider_button_press (GdkEventButton*);
664         gint hscroll_slider_button_release (GdkEventButton*);
665         gint hscroll_slider_motion (GdkEventMotion*);
666
667         gint hscroll_trough_expose (GdkEventExpose*);
668         gint hscroll_trough_button_press (GdkEventButton*);
669         gint hscroll_trough_button_release (GdkEventButton*);
670
671         void update_hscroller ();
672
673         gint hscroll_left_arrow_button_press (GdkEventButton *);
674         gint hscroll_left_arrow_button_release (GdkEventButton *);
675         gint hscroll_right_arrow_button_press (GdkEventButton *);
676         gint hscroll_right_arrow_button_release (GdkEventButton *);
677         
678         guint32             canvas_width;
679         guint32             canvas_height;
680
681         Gtk::ScrolledWindow  track_canvas_scroller;
682         Gtk::ScrolledWindow  time_canvas_scroller;
683         Gtk::ScrolledWindow  edit_controls_scroller;
684
685         bool track_canvas_map_handler (GdkEventAny*);
686         bool time_canvas_map_handler (GdkEventAny*);
687
688         gint edit_controls_button_release (GdkEventButton*);
689         Gtk::Menu *edit_controls_left_menu;
690         Gtk::Menu *edit_controls_right_menu;
691
692         void track_canvas_scroller_realized ();
693         void time_canvas_scroller_realized ();
694
695         Gtk::VBox           track_canvas_vbox;
696         Gtk::VBox           time_canvas_vbox;
697         Gtk::VBox           edit_controls_vbox;
698         Gtk::HBox           edit_controls_hbox;
699
700         void tie_vertical_scrolling ();
701         void canvas_horizontally_scrolled ();
702         void reposition_and_zoom (jack_nframes_t sample, double fpu);
703         gint deferred_reposition_and_zoom (jack_nframes_t sample, double fpu);
704         void end_location_changed (ARDOUR::Location*);
705         bool repos_zoom_queued;
706         bool no_zoom_repos_update;
707         bool no_tempo_map_update;
708
709         struct RegionListDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
710             RegionListDisplayModelColumns() {
711                     add (name);
712                     add (region);
713             }
714             Gtk::TreeModelColumn<Glib::ustring> name;
715             Gtk::TreeModelColumn<ARDOUR::Region*> region;
716         };
717             
718         RegionListDisplayModelColumns    region_list_columns;
719         Gtk::TreeView                    region_list_display;
720         Glib::RefPtr<Gtk::TreeStore>     region_list_model;
721         Glib::RefPtr<Gtk::TreeModelSort> region_list_sort_model;
722         Glib::RefPtr<Gtk::Action>        toggle_full_region_list_action;
723
724         void region_list_selection_changed ();
725
726         Gtk::Menu          *region_list_menu;
727         Gtk::ScrolledWindow region_list_scroller;
728         Gtk::Frame          region_list_frame;
729
730         bool region_list_display_key_press (GdkEventKey *);
731         bool region_list_display_key_release (GdkEventKey *);
732         bool region_list_display_button_press (GdkEventButton *);
733         bool region_list_display_button_release (GdkEventButton *);
734         void region_list_clear ();
735         void region_list_selection_mapover (sigc::slot<void,ARDOUR::Region&>);
736         void build_region_list_menu ();
737
738         Gtk::CheckMenuItem* toggle_auto_regions_item;
739         Gtk::CheckMenuItem* toggle_full_region_list_item;
740
741         Gtk::MenuItem* import_audio_item;
742         Gtk::MenuItem* embed_audio_item;
743
744         bool show_automatic_regions_in_region_list;
745         Editing::RegionListSortType region_list_sort_type;
746
747         void reset_region_list_sort_direction (bool);
748         void reset_region_list_sort_type (Editing::RegionListSortType);
749
750         void toggle_full_region_list ();
751         void toggle_show_auto_regions ();
752
753         int region_list_sorter (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
754
755         /* named selections */
756
757         struct NamedSelectionDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
758             NamedSelectionDisplayModelColumns() { 
759                     add (text);
760                     add (selection);
761             }
762             Gtk::TreeModelColumn<Glib::ustring>  text;
763             Gtk::TreeModelColumn<ARDOUR::NamedSelection*>    selection;
764         };
765
766         NamedSelectionDisplayModelColumns named_selection_columns;
767         Glib::RefPtr<Gtk::TreeStore>     named_selection_model;
768
769         Gtk::VPaned         region_selection_vpane;
770         Gtk::TreeView          named_selection_display;
771         Gtk::ScrolledWindow named_selection_scroller;
772
773         void name_selection();
774         void named_selection_name_chosen ();
775         void create_named_selection (string);
776         void paste_named_selection (float times);
777
778         void handle_new_named_selection ();
779         void add_named_selection_to_named_selection_display (ARDOUR::NamedSelection&);
780         void redisplay_named_selections ();
781
782         gint named_selection_display_button_press (GdkEventButton *ev);
783         void named_selection_display_selection_changed ();
784
785         /* track views */
786         int track_spacing;
787         TrackViewList  track_views;
788         TimeAxisView     *trackview_by_y_position (double ypos);
789
790         static Gdk::Cursor* cross_hair_cursor;
791         static Gdk::Cursor* trimmer_cursor;
792         static Gdk::Cursor* selector_cursor;
793         static Gdk::Cursor* grabber_cursor;
794         static Gdk::Cursor* zoom_cursor;
795         static Gdk::Cursor* time_fx_cursor;
796         static Gdk::Cursor* fader_cursor;
797         static Gdk::Cursor* speaker_cursor;
798         static Gdk::Cursor* null_cursor;
799         static Gdk::Cursor* wait_cursor;
800         static Gdk::Cursor* timebar_cursor;
801
802         static void build_cursors ();
803
804         sigc::connection scroll_connection;
805         jack_nframes_t last_update_frame;
806         void center_screen (jack_nframes_t);
807         void center_screen_internal (jack_nframes_t, float);
808         
809         void update_current_screen ();
810         sigc::connection slower_update_connection;
811         void update_slower ();
812         
813         gint show_track_context_menu (GdkEventButton *);
814         void hide_track_context_menu ();
815
816         void session_going_away ();
817
818         jack_nframes_t cut_buffer_start;
819         jack_nframes_t cut_buffer_length;
820
821         bool typed_event (ArdourCanvas::Item*, GdkEvent*, ItemType);
822         bool button_press_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
823         bool button_release_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
824         bool motion_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
825         bool enter_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
826         bool leave_handler (ArdourCanvas::Item*, GdkEvent*, ItemType);
827         
828         /* KEYMAP HANDLING */
829
830         void register_actions ();
831
832         int ensure_cursor (jack_nframes_t* pos);
833
834         void fake_handle_new_audio_region (ARDOUR::AudioRegion *);
835         void handle_new_audio_region (ARDOUR::AudioRegion *);
836         void fake_handle_audio_region_removed (ARDOUR::AudioRegion *);
837         void handle_audio_region_removed (ARDOUR::AudioRegion *);
838         void add_audio_region_to_region_display (ARDOUR::AudioRegion *);
839         void region_hidden (ARDOUR::Region*);
840         void redisplay_regions ();
841         void insert_into_tmp_audio_regionlist(ARDOUR::AudioRegion *);
842
843         list<ARDOUR::AudioRegion *> tmp_audio_region_list;
844
845         void cut_copy (Editing::CutCopyOp);
846         void cut_copy_points (Editing::CutCopyOp);
847         void cut_copy_regions (Editing::CutCopyOp);
848         void cut_copy_ranges (Editing::CutCopyOp);
849
850         void mouse_paste ();
851         void paste_internal (jack_nframes_t position, float times);
852
853         /* EDITING OPERATIONS */
854         
855         void toggle_region_mute ();
856         void toggle_region_opaque ();
857         void raise_region ();
858         void raise_region_to_top ();
859         void lower_region ();
860         void lower_region_to_bottom ();
861         void split_region ();
862         void split_region_at (jack_nframes_t);
863         void split_regions_at (jack_nframes_t, AudioRegionSelection&);
864         void crop_region_to_selection ();
865         void set_region_sync_from_edit_cursor ();
866         void remove_region_sync();
867         void align_selection (ARDOUR::RegionPoint, jack_nframes_t position);
868         void align_selection_relative (ARDOUR::RegionPoint point, jack_nframes_t position);
869         void align_region (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
870         void align_region_internal (ARDOUR::Region&, ARDOUR::RegionPoint point, jack_nframes_t position);
871         void remove_some_regions ();
872         void remove_clicked_region ();
873         void destroy_clicked_region ();
874         void edit_region ();
875         void duplicate_some_regions (AudioRegionSelection&, float times);
876         void duplicate_selection (float times);
877         void region_fill_selection ();
878
879         void region_fill_track ();
880         void audition_playlist_region_standalone (ARDOUR::AudioRegion&);
881         void audition_playlist_region_via_route (ARDOUR::AudioRegion&, ARDOUR::Route&);
882         void split_multichannel_region();
883         void reverse_region ();
884         void normalize_region ();
885         void denormalize_region ();
886
887         void audition_region_from_region_list ();
888         void hide_region_from_region_list ();
889         void remove_region_from_region_list ();
890
891         void align (ARDOUR::RegionPoint);
892         void align_relative (ARDOUR::RegionPoint);
893         void naturalize ();
894
895         void cut ();
896         void copy ();
897         void paste (float times);
898
899         int  get_prefix (float&, bool&);
900
901         void keyboard_paste ();
902         void keyboard_duplicate_region ();
903         void keyboard_duplicate_selection ();
904         void keyboard_nudge ();
905         void keyboard_insert_region_list_selection ();
906
907         void region_from_selection ();
908         void create_region_from_selection (std::vector<ARDOUR::AudioRegion*>&);
909
910         bool region_renamed;
911         void rename_region ();
912         void rename_region_finished (bool);
913
914         void play_from_start ();
915         void play_from_edit_cursor ();
916         void play_selected_region ();
917         void audition_selected_region ();
918         void toggle_loop_playback ();
919         void loop_selected_region ();
920         void play_location (ARDOUR::Location&);
921         void loop_location (ARDOUR::Location&);
922
923         Editing::ZoomFocus zoom_focus;
924
925         void temporal_zoom_selection ();
926         void temporal_zoom_session ();
927         void temporal_zoom (gdouble scale);
928         void temporal_zoom_by_frame (jack_nframes_t start, jack_nframes_t end, string op);
929         void temporal_zoom_to_frame (bool coarser, jack_nframes_t frame);
930
931         void amplitude_zoom (gdouble scale);
932         void amplitude_zoom_step (bool in);
933
934         void insert_region_list_drag (ARDOUR::AudioRegion&);
935         void insert_region_list_selection (float times);
936
937         void insert_sndfile (bool as_tracks);
938         void embed_audio ();    // inserts into region list
939         int  reject_because_rate_differs (string path, SF_INFO& finfo, string action, bool multiple_pending);
940
941         void do_embed_sndfiles (vector<string> paths, bool split);
942         void embed_sndfile (string path, bool split, bool multiple_files, bool& check_sr);
943
944         void do_insert_sndfile (vector<string> path, bool multi, jack_nframes_t frame);
945         void insert_paths_as_new_tracks (std::vector<std::string> paths, bool multi); // inserts files as new tracks
946         void insert_sndfile_into (string path, bool multi, AudioTimeAxisView* tv, jack_nframes_t& frame, bool prompt=true);
947         static void* _insert_sndfile_thread (void*);
948         void*  insert_sndfile_thread (void*);
949
950         /* generic interthread progress window */
951         
952         ArdourDialog* interthread_progress_window;
953         Gtk::Label interthread_progress_label;
954         Gtk::VBox interthread_progress_vbox;
955         Gtk::ProgressBar interthread_progress_bar;
956         Gtk::Button interthread_cancel_button;
957         Gtk::Label interthread_cancel_label;
958         sigc::connection  interthread_progress_connection;
959         void interthread_cancel_clicked ();
960         void build_interthread_progress_window ();
961         ARDOUR::InterThreadInfo* current_interthread_info;
962
963         /* import specific info */
964
965         ARDOUR::Session::import_status import_status;
966         gint import_progress_timeout (void *);
967         static void *_import_thread (void *);
968         void* import_thread ();
969         void catch_new_audio_region (ARDOUR::AudioRegion*);
970         ARDOUR::AudioRegion* last_audio_region;
971
972         /* to support this ... */
973
974         void import_audio (bool as_tracks);
975         void do_import (vector<string> paths, bool split, bool as_tracks);
976
977         void move_to_start ();
978         void move_to_end ();
979         void goto_frame ();
980         void center_playhead ();
981         void center_edit_cursor ();
982         void edit_cursor_backward ();
983         void edit_cursor_forward ();
984         void playhead_backward ();
985         void playhead_forward ();
986         void scroll_backward (float pages=0.8f);
987         void scroll_forward (float pages=0.8f);
988         void scroll_tracks_down ();
989         void scroll_tracks_up ();
990         void delete_sample_forward ();
991         void delete_sample_backward ();
992         void delete_screen ();
993         void search_backwards ();
994         void search_forwards ();
995         void set_mark ();
996         void clear_markers ();
997         void clear_ranges ();
998         void clear_locations ();
999         void jump_forward_to_mark ();
1000         void jump_backward_to_mark ();
1001         void cursor_align (bool playhead_to_edit);
1002
1003         void remove_last_capture ();
1004
1005         void set_selection_from_range (ARDOUR::Location&);
1006         void set_selection_from_punch ();
1007         void set_selection_from_loop ();
1008
1009         void add_location_from_selection ();
1010         void set_route_loop_selection ();
1011
1012         void add_location_from_playhead_cursor ();
1013
1014         void reverse_selection ();
1015         void edit_envelope ();
1016
1017         void start_scrolling ();
1018         void stop_scrolling ();
1019
1020         void keyboard_selection_begin ();
1021         void keyboard_selection_finish (bool add);
1022         bool have_pending_keyboard_selection;
1023         jack_nframes_t pending_keyboard_selection_start;
1024
1025         ARDOUR::AudioRegion* select_region_for_operation (int dir, TimeAxisView **tv);
1026         void extend_selection_to_end_of_region (bool next);
1027         void extend_selection_to_start_of_region (bool previous);
1028
1029         Editing::SnapType snap_type;
1030         Editing::SnapMode snap_mode;
1031         double snap_threshold;
1032
1033         void soundfile_chosen_for_insert (string selection, bool split_channels);
1034         void soundfile_chosen_for_embed (string selection, bool split_channels);
1035         void soundfile_chosen_for_import (string selection, bool split_channels);
1036
1037         void handle_gui_changes (string, void *);
1038
1039         void    hide_all_tracks (bool with_select);
1040
1041         void route_display_selection_changed ();
1042         void redisplay_route_list();
1043         gint route_list_reordered ();
1044         bool ignore_route_list_reorder;
1045         void queue_route_list_reordered ();
1046
1047         struct DragInfo {
1048           ArdourCanvas::Item* item;
1049             void* data;
1050             jack_nframes_t last_frame_position;
1051             int32_t pointer_frame_offset;
1052             jack_nframes_t grab_frame;
1053             jack_nframes_t last_pointer_frame;
1054             jack_nframes_t current_pointer_frame;
1055             double grab_x, grab_y;
1056             double cumulative_x_drag;
1057             double cumulative_y_drag;
1058             double current_pointer_x;
1059             double current_pointer_y;
1060           void (Editor::*motion_callback)(ArdourCanvas::Item*, GdkEvent*);
1061           void (Editor::*finished_callback)(ArdourCanvas::Item*, GdkEvent*);
1062             TimeAxisView* last_trackview;
1063             bool x_constrained;
1064             bool copy;
1065             bool was_rolling;
1066             bool first_move;
1067             bool move_threshold_passsed;
1068             bool want_move_threshold;
1069             bool brushing;
1070             ARDOUR::Location* copied_location;
1071         } drag_info;
1072
1073         struct LineDragInfo {
1074             uint32_t before;
1075             uint32_t after;
1076         };
1077
1078         LineDragInfo current_line_drag_info;
1079
1080         void start_grab (GdkEvent*, Gdk::Cursor* cursor = 0);
1081         bool end_grab (ArdourCanvas::Item*, GdkEvent*);
1082
1083         Gtk::Menu fade_context_menu;
1084         void popup_fade_context_menu (int, int, ArdourCanvas::Item*, ItemType);
1085
1086         void start_fade_in_grab (ArdourCanvas::Item*, GdkEvent*);
1087         void start_fade_out_grab (ArdourCanvas::Item*, GdkEvent*);
1088         void fade_in_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1089         void fade_out_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1090         void fade_in_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1091         void fade_out_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1092         
1093         std::set<ARDOUR::Playlist*> motion_frozen_playlists;
1094         void region_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1095         void region_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1096         void region_copy_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1097
1098         void cursor_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1099         void cursor_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1100         void marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1101         void marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1102         void control_point_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1103         void control_point_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1104         void line_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1105         void line_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1106
1107         void tempo_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1108         void tempo_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1109         void meter_marker_drag_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1110         void meter_marker_drag_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1111
1112         gint mouse_rename_region (ArdourCanvas::Item*, GdkEvent*);
1113
1114         void start_region_grab (ArdourCanvas::Item*, GdkEvent*);
1115         void start_region_copy_grab (ArdourCanvas::Item*, GdkEvent*);
1116         void start_region_brush_grab (ArdourCanvas::Item*, GdkEvent*);
1117         void start_selection_grab (ArdourCanvas::Item*, GdkEvent*);
1118         void start_cursor_grab (ArdourCanvas::Item*, GdkEvent*);
1119         void start_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1120         void start_control_point_grab (ArdourCanvas::Item*, GdkEvent*);
1121         void start_line_grab_from_regionview (ArdourCanvas::Item*, GdkEvent*);
1122         void start_line_grab_from_line (ArdourCanvas::Item*, GdkEvent*);
1123         void start_line_grab (AutomationLine *, GdkEvent*);
1124         void start_tempo_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1125         void start_meter_marker_grab (ArdourCanvas::Item*, GdkEvent*);
1126
1127         void region_view_item_click (AudioRegionView&, GdkEventButton*);
1128
1129         void remove_gain_control_point (ArdourCanvas::Item*, GdkEvent*);
1130         void remove_control_point (ArdourCanvas::Item*, GdkEvent*);
1131
1132         void mouse_brush_insert_region (AudioRegionView*, jack_nframes_t pos);
1133         void brush (jack_nframes_t);
1134
1135         void show_verbose_time_cursor (jack_nframes_t frame, double offset = 0, double xpos=-1, double ypos=-1);
1136         void show_verbose_duration_cursor (jack_nframes_t start, jack_nframes_t end, double offset = 0, double xpos=-1, double ypos=-1);
1137
1138         /* Canvas event handlers */
1139
1140         // FIXED FOR GTK2
1141
1142
1143         bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*);
1144         bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*);
1145         bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1146         bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1147         bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*);
1148         bool canvas_crossfade_view_event (GdkEvent* event,ArdourCanvas::Item*, CrossfadeView*);
1149         bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1150         bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1151         bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1152         bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1153         bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1154         bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1155         bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*);
1156         bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, AudioTimeAxisView*);
1157         bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*);
1158         bool canvas_zoom_rect_event (GdkEvent* event,ArdourCanvas::Item*);
1159         bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*);
1160         bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*);
1161         bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) ;
1162
1163         bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1164         bool canvas_meter_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1165         bool canvas_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1166         bool canvas_range_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1167         bool canvas_transport_marker_bar_event (GdkEvent* event, ArdourCanvas::Item*);
1168
1169         bool canvas_imageframe_item_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1170         bool canvas_imageframe_view_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameTimeAxis*);
1171         bool canvas_imageframe_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1172         bool canvas_imageframe_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,ImageFrameView*);
1173         bool canvas_marker_time_axis_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerTimeAxis*);
1174         bool canvas_markerview_item_view_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1175         bool canvas_markerview_start_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1176         bool canvas_markerview_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*);
1177
1178         /* non-public event handlers */
1179
1180         bool canvas_playhead_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1181         bool canvas_edit_cursor_event (GdkEvent* event, ArdourCanvas::Item*);
1182         bool track_canvas_event (GdkEvent* event, ArdourCanvas::Item*);
1183
1184         bool track_canvas_button_press_event (GdkEventButton *);
1185         bool track_canvas_button_release_event (GdkEventButton *);
1186         
1187         void track_canvas_allocate (Gtk::Allocation alloc);
1188         void time_canvas_allocate (Gtk::Allocation alloc);
1189
1190         void set_edit_cursor (GdkEvent* event);
1191         void set_playhead_cursor (GdkEvent* event);
1192
1193         void kbd_driver (sigc::slot<void,GdkEvent*>, bool use_track_canvas = true, bool use_time_canvas = true, bool can_select = true);
1194         void kbd_set_playhead_cursor ();
1195         void kbd_set_edit_cursor ();
1196         void kbd_split ();
1197         void kbd_align (ARDOUR::RegionPoint);
1198         void kbd_align_relative (ARDOUR::RegionPoint);
1199         void kbd_brush ();
1200         void kbd_audition ();
1201
1202         void kbd_do_split (GdkEvent*);
1203         void kbd_do_align (GdkEvent*, ARDOUR::RegionPoint);
1204         void kbd_do_align_relative (GdkEvent*, ARDOUR::RegionPoint);
1205         void kbd_do_brush (GdkEvent*);
1206         void kbd_do_audition (GdkEvent*);
1207
1208         void fake_handle_new_duration ();
1209         void handle_new_duration ();
1210         void initialize_canvas ();
1211         void reset_scrolling_region (Gtk::Allocation* alloc = 0);
1212         void scroll_canvas ();
1213
1214         /* sub-event loop handling */
1215
1216         int32_t sub_event_loop_status;
1217         void run_sub_event_loop ();
1218         void finish_sub_event_loop (int status);
1219         gint finish_sub_event_loop_on_delete (GdkEventAny*, int32_t status);
1220         
1221         /* display control */
1222         
1223         bool _show_measures;
1224         bool _show_waveforms;
1225         bool _follow_playhead;
1226         bool _show_waveforms_recording;
1227         
1228         void add_bbt_marks (ARDOUR::TempoMap::BBTPointList&);
1229
1230         ARDOUR::TempoMap::BBTPointList *current_bbt_points;
1231         
1232         typedef vector<ArdourCanvas::SimpleLine*> TimeLineList;
1233         TimeLineList free_measure_lines;
1234         TimeLineList used_measure_lines;
1235
1236         ArdourCanvas::Group* time_line_group;
1237         ArdourCanvas::SimpleLine* get_time_line ();
1238         void hide_measures ();
1239         void draw_measures ();
1240         void draw_time_bars ();
1241
1242         void new_tempo_section ();
1243
1244         void mouse_add_new_tempo_event (jack_nframes_t where);
1245         void mouse_add_new_meter_event (jack_nframes_t where);
1246
1247         void remove_tempo_marker (ArdourCanvas::Item*);
1248         void remove_meter_marker (ArdourCanvas::Item*);
1249         gint real_remove_tempo_marker (ARDOUR::TempoSection*);
1250         gint real_remove_meter_marker (ARDOUR::MeterSection*);
1251         
1252         void edit_tempo_section (ARDOUR::TempoSection*);
1253         void edit_meter_section (ARDOUR::MeterSection*);
1254         void edit_tempo_marker (ArdourCanvas::Item*);
1255         void edit_meter_marker (ArdourCanvas::Item*);
1256         
1257         void marker_menu_edit ();
1258         void marker_menu_remove ();
1259         void marker_menu_rename ();
1260         void marker_menu_hide ();
1261         void marker_menu_loop_range ();
1262         void marker_menu_play_from ();
1263         void marker_menu_set_playhead ();
1264         void marker_menu_set_from_playhead ();
1265         void marker_menu_set_from_selection ();
1266         void new_transport_marker_menu_set_loop ();
1267         void new_transport_marker_menu_set_punch ();
1268         void update_loop_range_view (bool visibility=false);
1269         void update_punch_range_view (bool visibility=false);
1270         gint new_transport_marker_menu_popdown (GdkEventAny*);
1271         void marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1272         void tm_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1273         void transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1274         void new_transport_marker_context_menu (GdkEventButton*, ArdourCanvas::Item*);
1275         void build_marker_menu ();
1276         void build_tm_marker_menu ();
1277         void build_transport_marker_menu ();
1278         void build_new_transport_marker_menu ();
1279
1280         Gtk::Menu* tm_marker_menu;
1281         Gtk::Menu* marker_menu;
1282         Gtk::Menu* transport_marker_menu;
1283         Gtk::Menu* new_transport_marker_menu;
1284         ArdourCanvas::Item* marker_menu_item;
1285
1286         typedef list<Marker*> Marks;
1287         Marks metric_marks;
1288
1289         void remove_metric_marks ();
1290         void draw_metric_marks (const ARDOUR::Metrics& metrics);
1291
1292         void tempo_map_changed (ARDOUR::Change);
1293         void redisplay_tempo ();
1294         
1295         void snap_to (jack_nframes_t& first, int32_t direction = 0, bool for_mark = false);
1296         uint32_t bbt_beat_subdivision;
1297
1298         /* toolbar */
1299         
1300         Gtk::ToggleButton        editor_mixer_button;
1301
1302         void editor_mixer_button_toggled ();
1303
1304         AudioClock               selection_start_clock;
1305         Gtk::Label               selection_start_clock_label;
1306         AudioClock               selection_end_clock;
1307         Gtk::Label               selection_end_clock_label;
1308         AudioClock               edit_cursor_clock;
1309         Gtk::Label               edit_cursor_clock_label;
1310         AudioClock               zoom_range_clock;
1311         Gtk::Button              zoom_in_button;
1312         Gtk::Button              zoom_out_button;
1313         Gtk::Button              zoom_out_full_button;
1314         Gtk::Button              zoom_onetoone_button;
1315
1316         Gtk::VBox                toolbar_clock_vbox;
1317         Gtk::VBox                toolbar_selection_clock_vbox; 
1318         Gtk::Table               toolbar_selection_clock_table;
1319         Gtk::Label               toolbar_selection_cursor_label;
1320         
1321         Gtk::Table               mouse_mode_button_table;
1322         Gtkmm2ext::TearOff*       mouse_mode_tearoff;
1323         Gtk::ToggleButton        mouse_select_button;
1324         Gtk::ToggleButton        mouse_move_button;
1325         Gtk::ToggleButton        mouse_gain_button;
1326         Gtk::ToggleButton        mouse_zoom_button;
1327         Gtk::ToggleButton        mouse_timefx_button;
1328         Gtk::ToggleButton        mouse_audition_button;
1329         GroupedButtons          *mouse_mode_button_set;
1330         void                     mouse_mode_toggled (Editing::MouseMode m);
1331         bool                     ignore_mouse_mode_toggle;
1332
1333         gint                     mouse_select_button_release (GdkEventButton*);
1334
1335         Gtk::VBox                automation_box;
1336         Gtk::Button              automation_mode_button;
1337         Gtk::ToggleButton        global_automation_button;
1338
1339         Gtk::ComboBoxText edit_mode_selector;
1340         Gtk::Label               edit_mode_label;
1341         Gtk::VBox                edit_mode_box;
1342
1343         void edit_mode_selection_done ();
1344
1345         Gtk::ComboBoxText snap_type_selector;
1346         Gtk::Label               snap_type_label;
1347         Gtk::VBox                snap_type_box;
1348
1349         void snap_type_selection_done ();
1350
1351         Gtk::ComboBoxText               snap_mode_selector;
1352         Gtk::Label               snap_mode_label;
1353         Gtk::VBox                snap_mode_box;
1354
1355         void snap_mode_selection_done ();
1356         
1357         Gtk::ComboBoxText zoom_focus_selector;
1358         Gtk::Label               zoom_focus_label;
1359         Gtk::VBox                zoom_focus_box;
1360         
1361         void zoom_focus_selection_done ();
1362
1363         Gtk::Label          zoom_indicator_label;
1364         Gtk::HBox           zoom_indicator_box;
1365         Gtk::VBox           zoom_indicator_vbox;
1366
1367         void                update_zoom_indicator ();
1368         void                zoom_adjustment_changed();
1369
1370         void                edit_cursor_clock_changed();
1371         
1372         void setup_toolbar ();
1373
1374         Gtkmm2ext::TearOff*       tools_tearoff;
1375         Gtk::HBox                toolbar_hbox;
1376         Gtk::EventBox            toolbar_base;
1377         Gtk::Frame               toolbar_frame;
1378
1379         /* selection process */
1380
1381         Selection* selection;
1382         Selection* cut_buffer;
1383
1384         void time_selection_changed ();
1385         void track_selection_changed ();
1386         void region_selection_changed ();
1387         void point_selection_changed ();
1388         void audio_track_selection_changed ();
1389         void line_selection_changed ();
1390
1391         enum SelectionOp {
1392                 CreateSelection,
1393                 SelectionStartTrim,
1394                 SelectionEndTrim,
1395                 SelectionMove
1396         } selection_op;
1397
1398         void start_selection_op (ArdourCanvas::Item* item, GdkEvent* event, SelectionOp);
1399         void drag_selection (ArdourCanvas::Item* item, GdkEvent* event);
1400         void end_selection_op (ArdourCanvas::Item* item, GdkEvent* event);
1401         void cancel_selection ();
1402
1403         void region_selection_op (void (ARDOUR::Region::*pmf)(void));
1404         void region_selection_op (void (ARDOUR::Region::*pmf)(void*), void*);
1405         void region_selection_op (void (ARDOUR::Region::*pmf)(bool), bool);
1406
1407         bool audio_region_selection_covers (jack_nframes_t where);
1408
1409         Gtk::VPaned  route_group_vpane;
1410         Gtk::Frame   route_list_frame;
1411         Gtk::Frame   edit_group_list_frame;
1412
1413         /* transport range select process */
1414         enum RangeMarkerOp {
1415                 CreateRangeMarker,
1416                 CreateTransportMarker
1417         } range_marker_op;
1418
1419         void start_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event, RangeMarkerOp);
1420         void drag_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
1421         void end_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event);
1422
1423         ArdourCanvas::SimpleRect*  range_bar_drag_rect;
1424         ArdourCanvas::SimpleRect*  transport_bar_drag_rect;
1425         ArdourCanvas::Line*        marker_drag_line;
1426         ArdourCanvas::Points       marker_drag_line_points;
1427         ArdourCanvas::SimpleRect*  range_marker_drag_rect;
1428
1429         void update_marker_drag_item (ARDOUR::Location *);
1430         
1431         ArdourCanvas::SimpleRect     *transport_bar_range_rect;
1432         ArdourCanvas::SimpleRect     *transport_bar_preroll_rect;
1433         ArdourCanvas::SimpleRect     *transport_bar_postroll_rect;
1434         ArdourCanvas::SimpleRect     *transport_loop_range_rect;
1435         ArdourCanvas::SimpleRect     *transport_punch_range_rect;
1436         ArdourCanvas::SimpleLine     *transport_punchin_line;
1437         ArdourCanvas::SimpleLine     *transport_punchout_line;
1438         ArdourCanvas::SimpleRect     *transport_preroll_rect;
1439         ArdourCanvas::SimpleRect     *transport_postroll_rect;
1440
1441         ARDOUR::Location*  transport_loop_location();
1442         ARDOUR::Location*  transport_punch_location();
1443
1444         ARDOUR::Location   *temp_location;
1445         
1446         /* object rubberband select process */
1447         
1448         void start_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1449         void drag_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1450         void end_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event);
1451
1452         bool select_all_within (jack_nframes_t start, jack_nframes_t end, gdouble topy, gdouble boty, bool add);
1453         
1454         ArdourCanvas::SimpleRect   *rubberband_rect;
1455         
1456         /* mouse zoom process */
1457
1458         void start_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1459         void drag_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1460         void end_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event);
1461
1462         ArdourCanvas::SimpleRect   *zoom_rect;
1463         void reposition_zoom_rect (jack_nframes_t start, jack_nframes_t end);
1464         
1465         /* diskstream/route display management */
1466
1467         struct RouteDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
1468             RouteDisplayModelColumns() { 
1469                     add (text);
1470                     add (tv);
1471             }
1472             Gtk::TreeModelColumn<Glib::ustring>  text;
1473             Gtk::TreeModelColumn<TimeAxisView*>    tv;
1474         };
1475
1476         RouteDisplayModelColumns    route_display_columns;
1477         Glib::RefPtr<Gtk::ListStore> route_display_model;
1478         Glib::RefPtr<Gtk::TreeSelection> route_display_selection;
1479
1480         gint route_list_compare_func (Gtk::TreeModel::iterator, Gtk::TreeModel::iterator);
1481         Gtk::TreeView          route_list; //GTK2FIX rename to route_display
1482         Gtk::ScrolledWindow route_list_scroller;
1483         Gtk::Menu          *route_list_menu;
1484
1485         void route_list_column_click ();
1486         void build_route_list_menu ();
1487         void select_all_routes ();
1488         void unselect_all_routes ();
1489         void select_all_audiotracks ();
1490         void unselect_all_audiotracks ();
1491         void select_all_audiobus ();
1492         void unselect_all_audiobus ();
1493
1494         /* edit group management */
1495
1496         struct GroupListModelColumns : public Gtk::TreeModel::ColumnRecord {
1497                 GroupListModelColumns () {
1498                        add (is_active);
1499                        add (text);
1500                        add (routegroup);
1501                 }
1502                 Gtk::TreeModelColumn<bool> is_active;
1503                 Gtk::TreeModelColumn<std::string> text;
1504                 Gtk::TreeModelColumn<ARDOUR::RouteGroup*>   routegroup;
1505         };
1506
1507         GroupListModelColumns group_columns;
1508         Glib::RefPtr<Gtk::ListStore> group_model;
1509         Glib::RefPtr<Gtk::TreeSelection> group_selection;
1510
1511         Gtk::Button         edit_group_list_button;
1512         Gtk::Label          edit_group_list_button_label;
1513         Gtk::TreeView       edit_group_list;
1514         Gtk::ScrolledWindow edit_group_list_scroller;
1515         Gtk::Menu          *edit_group_list_menu;
1516         Gtk::VBox           edit_group_vbox;
1517
1518         void edit_group_list_column_click (gint);
1519         void build_edit_group_list_menu ();
1520         void select_all_edit_groups ();
1521         void unselect_all_edit_groups ();
1522         void new_edit_group ();
1523         void edit_group_list_button_clicked ();
1524         gint edit_group_list_button_press_event (GdkEventButton* ev);
1525         void edit_group_selection_changed ();
1526         void fake_add_edit_group (ARDOUR::RouteGroup* group);
1527         void add_edit_group (ARDOUR::RouteGroup* group);
1528         void group_flags_changed (void*, ARDOUR::RouteGroup*);
1529
1530         Gtk::VBox           list_vpacker;
1531
1532         static GdkPixmap* check_pixmap;
1533         static GdkBitmap* check_mask;
1534         static GdkPixmap* empty_pixmap;
1535         static GdkBitmap* empty_mask;
1536
1537         /* autoscrolling */
1538
1539         int autoscroll_timeout_tag;
1540         int autoscroll_direction;
1541         uint32_t autoscroll_cnt;
1542         jack_nframes_t autoscroll_distance;
1543      
1544         static gint _autoscroll_canvas (void *);
1545         gint autoscroll_canvas ();
1546         void start_canvas_autoscroll (int direction);
1547         void stop_canvas_autoscroll ();
1548         void maybe_autoscroll (GdkEvent*);
1549
1550         /* trimming */
1551         enum TrimOp {
1552                 StartTrim,
1553                 EndTrim,
1554                 ContentsTrim,
1555         } trim_op;
1556
1557         void start_trim (ArdourCanvas::Item*, GdkEvent*);
1558         void point_trim (GdkEvent*);
1559         void trim_motion_callback (ArdourCanvas::Item*, GdkEvent*);
1560         void single_contents_trim (AudioRegionView&, jack_nframes_t, bool, bool, bool);
1561         void single_start_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1562         void single_end_trim (AudioRegionView&, jack_nframes_t, bool, bool);
1563
1564         void trim_finished_callback (ArdourCanvas::Item*, GdkEvent*);
1565         void thaw_region_after_trim (AudioRegionView& rv);
1566         
1567         void trim_region_to_edit_cursor ();
1568         void trim_region_from_edit_cursor ();
1569
1570         bool show_gain_after_trim;
1571
1572         /* Drag-n-Drop */
1573
1574         int convert_drop_to_paths (std::vector<std::string>& paths,
1575                                    GdkDragContext     *context,
1576                                    gint                x,
1577                                    gint                y,
1578                                    GtkSelectionData   *data,
1579                                    guint               info,
1580                                    guint               time);
1581
1582         void  track_canvas_drag_data_received  (GdkDragContext     *context,
1583                                                 gint                x,
1584                                                 gint                y,
1585                                                 GtkSelectionData   *data,
1586                                                 guint               info,
1587                                                 guint               time);
1588
1589         void  region_list_display_drag_data_received  (GdkDragContext     *context,
1590                                                        gint                x,
1591                                                        gint                y,
1592                                                        GtkSelectionData   *data,
1593                                                        guint               info,
1594                                                        guint               time);
1595         
1596         /* audio export */
1597
1598         ExportDialog *export_dialog;
1599         void export_range (jack_nframes_t start, jack_nframes_t end);
1600
1601         int write_region_selection(AudioRegionSelection&);
1602         bool write_region (string path, ARDOUR::AudioRegion&);
1603         void export_region ();
1604         void write_a_region ();
1605         void bounce_region_selection ();
1606         void bounce_range_selection ();
1607         void external_edit_region ();
1608
1609         int write_audio_selection (TimeSelection&);
1610         bool write_audio_range (ARDOUR::Playlist&, uint32_t channels, list<ARDOUR::AudioRange>&);
1611
1612         void write_selection ();
1613
1614         /* history */
1615
1616         UndoAction get_memento() const;
1617
1618         void begin_reversible_command (string cmd_name);
1619         void commit_reversible_command ();
1620
1621         /* visual history */
1622
1623         UndoHistory visual_history;
1624         UndoCommand current_visual_command;
1625
1626         void begin_reversible_visual_command (string cmd_name);
1627         void commit_reversible_visual_command ();
1628
1629         void update_title ();   
1630         void update_title_s (string snapshot_name);
1631
1632         struct State {
1633             Selection* selection;
1634             double     frames_per_unit;
1635
1636             State();
1637             ~State();
1638         };
1639
1640         void store_state (State&) const;
1641         void restore_state (State *);
1642
1643         void instant_save ();
1644
1645         ARDOUR::AudioRegion* last_audition_region;
1646         
1647         /* freeze operations */
1648
1649         ARDOUR::InterThreadInfo freeze_status;
1650         gint freeze_progress_timeout (void *);
1651         static void* _freeze_thread (void*);
1652         void* freeze_thread ();
1653
1654         void freeze_route ();
1655         void unfreeze_route ();
1656
1657         /* edit-group solo + mute */
1658
1659         void set_edit_group_solo (ARDOUR::Route&, bool);
1660         void set_edit_group_mute (ARDOUR::Route&, bool);
1661
1662         /* duplication */
1663
1664         void duplicate_dialog (bool for_region);
1665         
1666         /* edit menu */
1667
1668         Gtk::Menu* edit_menu;
1669         bool edit_menu_map_handler (GdkEventAny*);
1670
1671         jack_nframes_t event_frame (GdkEvent*, double* px = 0, double* py = 0);
1672
1673         void time_fx_motion (ArdourCanvas::Item*, GdkEvent*);
1674         void start_time_fx (ArdourCanvas::Item*, GdkEvent*);
1675         void end_time_fx (ArdourCanvas::Item*, GdkEvent*);
1676
1677         struct TimeStretchDialog : public ArdourDialog {
1678             ARDOUR::Session::TimeStretchRequest request;
1679             Editor&               editor;
1680             AudioRegionSelection  regions;
1681             Gtk::ProgressBar      progress_bar;
1682             Gtk::ToggleButton     quick_button;
1683             Gtk::ToggleButton     antialias_button;
1684             Gtk::Button           cancel_button;
1685             Gtk::Button           action_button;
1686             Gtk::HBox             lower_button_box;
1687             Gtk::HBox             upper_button_box;
1688             Gtk::VBox             packer;
1689             int                   status;
1690
1691             TimeStretchDialog (Editor& e);
1692
1693             gint update_progress ();
1694             sigc::connection first_cancel;
1695             sigc::connection first_delete;
1696             void cancel_timestretch_in_progress ();
1697             gint delete_timestretch_in_progress (GdkEventAny*);
1698         };
1699
1700         /* "whats mine is yours" */
1701
1702         friend class TimeStretchDialog;
1703
1704         TimeStretchDialog* current_timestretch;
1705
1706         static void* timestretch_thread (void *arg);
1707         int run_timestretch (AudioRegionSelection&, float fraction);
1708         void do_timestretch (TimeStretchDialog&);
1709
1710         /* editor-mixer strip */
1711
1712         MixerStrip *current_mixer_strip;
1713         Gtk::VBox current_mixer_strip_vbox;
1714         void cms_deleted ();
1715         void current_mixer_strip_hidden ();
1716         void current_mixer_strip_removed ();
1717
1718         void detach_tearoff (Gtk::Box* b, Gtk::Window* w);
1719         void reattach_tearoff (Gtk::Box* b, Gtk::Window* w, int32_t n);
1720
1721         /* nudging tracks */
1722
1723         void nudge_track (bool use_edit_cursor, bool forwards);
1724
1725         /* xfades */
1726
1727         bool _xfade_visibility;
1728         
1729         /* <CMT Additions> */
1730         void handle_new_imageframe_time_axis_view(std::string track_name, void* src) ;
1731         void handle_new_imageframe_marker_time_axis_view(std::string track_name, TimeAxisView* marked_track) ;
1732
1733         void start_imageframe_grab(ArdourCanvas::Item*, GdkEvent*) ;
1734         void start_markerview_grab(ArdourCanvas::Item*, GdkEvent*) ;
1735
1736         void imageframe_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1737         void markerview_drag_motion_callback(ArdourCanvas::Item*, GdkEvent*) ;
1738         void timeaxis_item_drag_finished_callback(ArdourCanvas::Item*, GdkEvent*) ;
1739
1740         gint canvas_imageframe_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1741         gint canvas_imageframe_view_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameTimeAxis* ifta);
1742         gint canvas_imageframe_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1743         gint canvas_imageframe_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, ImageFrameView* ifv);
1744
1745         gint canvas_marker_time_axis_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerTimeAxis* mta);
1746         gint canvas_markerview_item_view_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1747         gint canvas_markerview_start_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1748         gint canvas_markerview_end_handle_event(ArdourCanvas::Item* item, GdkEvent* event, MarkerView* mv);
1749
1750         void imageframe_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1751         void imageframe_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1752         void imageframe_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1753         void imageframe_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1754         void imageframe_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1755         void imageframe_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1756         
1757         void markerview_item_start_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1758         void markerview_item_end_handle_op(ArdourCanvas::Item* item, GdkEvent* event) ;
1759         void markerview_start_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1760         void markerview_start_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1761         void markerview_end_handle_trim_motion(ArdourCanvas::Item* item, GdkEvent* event) ;
1762         void markerview_end_handle_end_trim(ArdourCanvas::Item* item, GdkEvent* event) ;
1763
1764         void popup_imageframe_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1765         void popup_marker_time_axis_edit_menu(int button, int32_t time, ArdourCanvas::Item* ifv, bool with_frame) ;
1766
1767         ImageFrameSocketHandler* image_socket_listener ;
1768         /* </CMT Additions> */
1769
1770         void toggle_xfade_active (ARDOUR::Crossfade*);
1771         void toggle_xfade_length (ARDOUR::Crossfade*);
1772         void edit_xfade (ARDOUR::Crossfade*);
1773         void remove_xfade ();
1774         void xfade_edit_left_region ();
1775         void xfade_edit_right_region ();
1776
1777         static const int32_t default_width = 995;
1778         static const int32_t default_height = 765;
1779
1780         /* nudge */
1781
1782         Gtk::Button      nudge_forward_button;
1783         Gtk::Button      nudge_backward_button;
1784         Gtk::HBox        nudge_hbox;
1785         Gtk::VBox        nudge_vbox;
1786         Gtk::Label       nudge_label;
1787         AudioClock       nudge_clock;
1788
1789         jack_nframes_t get_nudge_distance (jack_nframes_t pos, jack_nframes_t& next);
1790         
1791         /* audio filters */
1792
1793         void apply_filter (ARDOUR::AudioFilter&, string cmd);
1794
1795         /* handling cleanup */
1796
1797         int playlist_deletion_dialog (ARDOUR::Playlist*);
1798
1799         vector<sigc::connection> session_connections;
1800
1801         /* tracking step changes of track height */
1802
1803         TimeAxisView* current_stepping_trackview;
1804         struct timeval last_track_height_step_timestamp;
1805         gint track_height_step_timeout();
1806         sigc::connection step_timeout;
1807
1808         TimeAxisView* entered_track;
1809         AudioRegionView* entered_regionview;
1810         bool clear_entered_track;
1811         gint left_track_canvas (GdkEventCrossing*);
1812         void set_entered_track (TimeAxisView*);
1813         void set_entered_regionview (AudioRegionView*);
1814         gint left_automation_track ();
1815
1816         bool _new_regionviews_show_envelope;
1817
1818         void toggle_gain_envelope_visibility ();
1819         void toggle_gain_envelope_active ();
1820         
1821         typedef std::map<Editing::ColorID,std::string> ColorStyleMap;
1822         void init_colormap ();
1823 };
1824
1825 #endif /* __ardour_editor_h__ */