added RCU handling of Session route list, and major use of shared_ptr<T> everywhere...
[ardour.git] / gtk2_ardour / editor.cc
1 /*
2     Copyright (C) 2000-2006 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 #include <unistd.h>
22 #include <cstdlib>
23 #include <cmath>
24 #include <string>
25 #include <algorithm>
26
27 #include <sigc++/bind.h>
28
29 #include <pbd/convert.h>
30 #include <pbd/error.h>
31
32 #include <gtkmm/image.h>
33 #include <gdkmm/color.h>
34 #include <gdkmm/bitmap.h>
35
36 #include <gtkmm2ext/gtk_ui.h>
37 #include <gtkmm2ext/tearoff.h>
38 #include <gtkmm2ext/utils.h>
39
40 #include <ardour/audio_track.h>
41 #include <ardour/audio_diskstream.h>
42 #include <ardour/plugin_manager.h>
43 #include <ardour/location.h>
44 #include <ardour/audioplaylist.h>
45 #include <ardour/audioregion.h>
46 #include <ardour/region.h>
47 #include <ardour/session_route.h>
48 #include <ardour/tempo.h>
49 #include <ardour/utils.h>
50
51 #include <control_protocol/control_protocol.h>
52
53 #include "ardour_ui.h"
54 #include "editor.h"
55 #include "grouped_buttons.h"
56 #include "keyboard.h"
57 #include "marker.h"
58 #include "playlist_selector.h"
59 #include "regionview.h"
60 #include "rgb_macros.h"
61 #include "selection.h"
62 #include "streamview.h"
63 #include "time_axis_view.h"
64 #include "utils.h"
65 #include "crossfade_view.h"
66 #include "editing.h"
67 #include "public_editor.h"
68 #include "crossfade_edit.h"
69 #include "audio_time_axis.h"
70 #include "canvas_impl.h"
71 #include "actions.h"
72 #include "gui_thread.h"
73
74 #ifdef FFT_ANALYSIS
75 #include "analysis_window.h"
76 #endif
77
78 #include "i18n.h"
79
80 /* <CMT Additions> */
81 #include "imageframe_socket_handler.h"
82 /* </CMT Additions> */
83
84 using namespace std;
85 using namespace sigc;
86 using namespace ARDOUR;
87 using namespace PBD;
88 using namespace Gtk;
89 using namespace Glib;
90 using namespace Gtkmm2ext;
91 using namespace Editing;
92
93 using PBD::internationalize;
94 using PBD::atoi;
95
96 const double Editor::timebar_height = 15.0;
97
98 #include "editor_xpms"
99
100 static const int32_t slide_index = 0;
101 static const int32_t splice_index = 1;
102
103 static const gchar *edit_mode_strings[] = {
104         N_("Slide"),
105         N_("Splice"),
106         0
107 };
108
109 static const gchar *snap_type_strings[] = {
110         N_("None"),
111         N_("CD Frames"),
112         N_("SMPTE Frames"),
113         N_("SMPTE Seconds"),
114         N_("SMPTE Minutes"),
115         N_("Seconds"),
116         N_("Minutes"),
117         N_("Beats/32"),
118         N_("Beats/16"),
119         N_("Beats/8"),
120         N_("Beats/4"),
121         N_("Beats/3"),
122         N_("Beats"),
123         N_("Bars"),
124         N_("Marks"),
125         N_("Edit Cursor"),
126         N_("Region starts"),
127         N_("Region ends"),
128         N_("Region syncs"),
129         N_("Region bounds"),
130         0
131 };
132
133 static const gchar *snap_mode_strings[] = {
134         N_("Normal"),
135         N_("Magnetic"),
136         0
137 };
138
139 static const gchar *zoom_focus_strings[] = {
140         N_("Left"),
141         N_("Right"),
142         N_("Center"),
143         N_("Playhead"),
144         N_("Edit Cursor"),
145         0
146 };
147
148 /* Soundfile  drag-n-drop */
149
150 Gdk::Cursor* Editor::cross_hair_cursor = 0;
151 Gdk::Cursor* Editor::selector_cursor = 0;
152 Gdk::Cursor* Editor::trimmer_cursor = 0;
153 Gdk::Cursor* Editor::grabber_cursor = 0;
154 Gdk::Cursor* Editor::zoom_cursor = 0;
155 Gdk::Cursor* Editor::time_fx_cursor = 0;
156 Gdk::Cursor* Editor::fader_cursor = 0;
157 Gdk::Cursor* Editor::speaker_cursor = 0;
158 Gdk::Cursor* Editor::wait_cursor = 0;
159 Gdk::Cursor* Editor::timebar_cursor = 0;
160
161 void
162 show_me_the_size (Requisition* r, const char* what)
163 {
164         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
165 }
166
167 void 
168 check_adjustment (Gtk::Adjustment* adj)
169 {
170         cerr << "CHANGE adj  = " 
171              << adj->get_lower () <<  ' '
172              << adj->get_upper () <<  ' '
173              << adj->get_value () <<  ' '
174              << adj->get_step_increment () <<  ' '
175              << adj->get_page_increment () <<  ' '
176              << adj->get_page_size () <<  ' '
177              << endl;
178
179 }
180
181 Editor::Editor (AudioEngine& eng) 
182         : engine (eng),
183
184           /* time display buttons */
185
186           minsec_label (_("Mins:Secs")),
187           bbt_label (_("Bars:Beats")),
188           smpte_label (_("SMPTE")),
189           frame_label (_("Frames")),
190           tempo_label (_("Tempo")),
191           meter_label (_("Meter")),
192           mark_label (_("Location Markers")),
193           range_mark_label (_("Range Markers")),
194           transport_mark_label (_("Loop/Punch Ranges")),
195
196           edit_packer (3, 3, false),
197
198           /* the values here don't matter: layout widgets
199              reset them as needed.
200           */
201
202           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
203           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
204
205           /* tool bar related */
206
207           selection_start_clock (X_("SelectionStartClock"), true),
208           selection_end_clock (X_("SelectionEndClock"), true),
209           edit_cursor_clock (X_("EditCursorClock"), true),
210           zoom_range_clock (X_("ZoomRangeClock"), true, true),
211           
212           toolbar_selection_clock_table (2,3),
213           
214           mouse_mode_button_table (2, 3),
215
216           mouse_select_button (_("range")),
217           mouse_move_button (_("object")),
218           mouse_gain_button (_("gain")),
219           mouse_zoom_button (_("zoom")),
220           mouse_timefx_button (_("timefx")),
221           mouse_audition_button (_("listen")),
222
223           automation_mode_button (_("mode")),
224           global_automation_button (_("automation")),
225
226           edit_mode_label (_("Edit Mode")),
227           snap_type_label (_("Snap To")),
228           snap_mode_label(_("Snap Mode")),
229           zoom_focus_label (_("Zoom Focus")),
230
231           /* <CMT Additions> */
232           image_socket_listener(0),
233           /* </CMT Additions> */
234
235           /* nudge */
236
237           nudge_label (_("Nudge")),
238           nudge_clock (X_("NudgeClock"), true, true)
239
240 {
241         constructed = false;
242
243         /* we are a singleton */
244
245         PublicEditor::_instance = this;
246
247         session = 0;
248
249         selection = new Selection;
250         cut_buffer = new Selection;
251
252         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
253         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
254         selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
255         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
256
257         clicked_regionview = 0;
258         clicked_trackview = 0;
259         clicked_audio_trackview = 0;
260         clicked_crossfadeview = 0;
261         clicked_control_point = 0;
262         latest_regionview = 0;
263         last_update_frame = 0;
264         drag_info.item = 0;
265         last_audition_region = 0;
266         current_mixer_strip = 0;
267         current_bbt_points = 0;
268
269         snap_type = SnapToFrame;
270         set_snap_to (snap_type);
271         snap_mode = SnapNormal;
272         set_snap_mode (snap_mode);
273         snap_threshold = 5.0;
274         bbt_beat_subdivision = 4;
275         canvas_width = 0;
276         canvas_height = 0;
277         autoscroll_timeout_tag = -1;
278         interthread_progress_window = 0;
279
280 #ifdef FFT_ANALYSIS
281         analysis_window = 0;
282 #endif
283
284         current_interthread_info = 0;
285         _show_measures = true;
286         _show_waveforms = true;
287         _show_waveforms_recording = true;
288         first_action_message = 0;
289         export_dialog = 0;
290         show_gain_after_trim = false;
291         no_zoom_repos_update = false;
292         ignore_route_list_reorder = false;
293         no_route_list_redisplay = false;
294         verbose_cursor_on = true;
295         route_removal = false;
296         track_spacing = 0;
297         show_automatic_regions_in_region_list = true;
298         region_list_sort_type = (Editing::RegionListSortType) 0; 
299         have_pending_keyboard_selection = false;
300         _follow_playhead = true;
301         _xfade_visibility = true;
302         editor_ruler_menu = 0;
303         no_ruler_shown_update = false;
304         edit_hscroll_dragging = false;
305         edit_group_list_menu = 0;
306         route_list_menu = 0;
307         region_list_menu = 0;
308         marker_menu = 0;
309         range_marker_menu = 0;
310         marker_menu_item = 0;
311         tm_marker_menu = 0;
312         transport_marker_menu = 0;
313         new_transport_marker_menu = 0;
314         editor_mixer_strip_width = Wide;
315         repos_zoom_queued = false;
316         region_edit_menu_split_item = 0;
317         temp_location = 0;
318         region_edit_menu_split_multichannel_item = 0;
319         leftmost_frame = 0;
320         ignore_mouse_mode_toggle = false;
321         current_stepping_trackview = 0;
322         entered_track = 0;
323         entered_regionview = 0;
324         clear_entered_track = false;
325         _new_regionviews_show_envelope = false;
326         current_timestretch = 0;
327         in_edit_group_row_change = false;
328         last_canvas_frame = 0;
329         edit_cursor = 0;
330         playhead_cursor = 0;
331         button_release_can_deselect = true;
332
333         location_marker_color = color_map[cLocationMarker];
334         location_range_color = color_map[cLocationRange];
335         location_cd_marker_color = color_map[cLocationCDMarker];
336         location_loop_color = color_map[cLocationLoop];
337         location_punch_color = color_map[cLocationPunch];
338
339         range_marker_drag_rect = 0;
340         marker_drag_line = 0;
341         
342         set_mouse_mode (MouseObject, true);
343
344         frames_per_unit = 2048; /* too early to use set_frames_per_unit */
345         reset_hscrollbar_stepping ();
346         
347         zoom_focus = ZoomFocusLeft;
348         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
349
350         initialize_rulers ();
351         initialize_canvas ();
352
353         edit_controls_vbox.set_spacing (0);
354         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::canvas_horizontally_scrolled));
355         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling));
356         
357         track_canvas.set_hadjustment (horizontal_adjustment);
358         track_canvas.set_vadjustment (vertical_adjustment);
359         time_canvas.set_hadjustment (horizontal_adjustment);
360
361         track_canvas.signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
362         time_canvas.signal_map_event().connect (mem_fun (*this, &Editor::time_canvas_map_handler));
363         
364         controls_layout.add (edit_controls_vbox);
365         controls_layout.set_name ("EditControlsBase");
366         controls_layout.add_events (Gdk::SCROLL_MASK);
367         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
368         
369         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
370         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
371         controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
372
373         edit_vscrollbar.set_adjustment (vertical_adjustment);
374         edit_hscrollbar.set_adjustment (horizontal_adjustment);
375
376         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press));
377         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release));
378         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
379
380         build_cursors ();
381         setup_toolbar ();
382
383         edit_cursor_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_cursor_clock_changed));
384         
385         time_canvas_vbox.pack_start (*minsec_ruler, false, false);
386         time_canvas_vbox.pack_start (*smpte_ruler, false, false);
387         time_canvas_vbox.pack_start (*frames_ruler, false, false);
388         time_canvas_vbox.pack_start (*bbt_ruler, false, false);
389         time_canvas_vbox.pack_start (time_canvas, true, true);
390         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
391
392         bbt_label.set_name ("EditorTimeButton");
393         bbt_label.set_size_request (-1, (int)timebar_height);
394         bbt_label.set_alignment (1.0, 0.5);
395         bbt_label.set_padding (5,0);
396         minsec_label.set_name ("EditorTimeButton");
397         minsec_label.set_size_request (-1, (int)timebar_height);
398         minsec_label.set_alignment (1.0, 0.5);
399         minsec_label.set_padding (5,0);
400         smpte_label.set_name ("EditorTimeButton");
401         smpte_label.set_size_request (-1, (int)timebar_height);
402         smpte_label.set_alignment (1.0, 0.5);
403         smpte_label.set_padding (5,0);
404         frame_label.set_name ("EditorTimeButton");
405         frame_label.set_size_request (-1, (int)timebar_height);
406         frame_label.set_alignment (1.0, 0.5);
407         frame_label.set_padding (5,0);
408         tempo_label.set_name ("EditorTimeButton");
409         tempo_label.set_size_request (-1, (int)timebar_height);
410         tempo_label.set_alignment (1.0, 0.5);
411         tempo_label.set_padding (5,0);
412         meter_label.set_name ("EditorTimeButton");
413         meter_label.set_size_request (-1, (int)timebar_height);
414         meter_label.set_alignment (1.0, 0.5);
415         meter_label.set_padding (5,0);
416         mark_label.set_name ("EditorTimeButton");
417         mark_label.set_size_request (-1, (int)timebar_height);
418         mark_label.set_alignment (1.0, 0.5);
419         mark_label.set_padding (5,0);
420         range_mark_label.set_name ("EditorTimeButton");
421         range_mark_label.set_size_request (-1, (int)timebar_height);
422         range_mark_label.set_alignment (1.0, 0.5);
423         range_mark_label.set_padding (5,0);
424         transport_mark_label.set_name ("EditorTimeButton");
425         transport_mark_label.set_size_request (-1, (int)timebar_height);
426         transport_mark_label.set_alignment (1.0, 0.5);
427         transport_mark_label.set_padding (5,0);
428         
429         time_button_vbox.pack_start (minsec_label, false, false);
430         time_button_vbox.pack_start (smpte_label, false, false);
431         time_button_vbox.pack_start (frame_label, false, false);
432         time_button_vbox.pack_start (bbt_label, false, false);
433         time_button_vbox.pack_start (meter_label, false, false);
434         time_button_vbox.pack_start (tempo_label, false, false);
435         time_button_vbox.pack_start (mark_label, false, false);
436
437         time_button_event_box.add (time_button_vbox);
438         
439         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
440         time_button_event_box.set_name ("TimebarLabelBase");
441         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
442
443         /* these enable us to have a dedicated window (for cursor setting, etc.) 
444            for the canvas areas.
445         */
446
447         track_canvas_event_box.add (track_canvas);
448
449         time_canvas_event_box.add (time_canvas_vbox);
450         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
451         
452         edit_packer.set_col_spacings (0);
453         edit_packer.set_row_spacings (0);
454         edit_packer.set_homogeneous (false);
455         edit_packer.set_border_width (0);
456         edit_packer.set_name ("EditorWindow");
457         
458         edit_packer.attach (edit_vscrollbar,         0, 1, 1, 3,    FILL,        FILL|EXPAND, 0, 0);
459
460         edit_packer.attach (time_button_event_box,   1, 2, 0, 1,    FILL,        FILL, 0, 0);
461         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
462
463         edit_packer.attach (controls_layout,         1, 2, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
464         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 2,    FILL|EXPAND, FILL|EXPAND, 0, 0);
465
466         edit_packer.attach (edit_hscrollbar,         2, 3, 2, 3,    FILL|EXPAND,  FILL, 0, 0);
467
468         zoom_in_button.set_name ("EditorTimeButton");
469         zoom_out_button.set_name ("EditorTimeButton");
470         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom in"));
471         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom out"));
472
473         zoom_out_full_button.set_name ("EditorTimeButton");
474         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to session"));
475
476         zoom_in_button.add (*(manage (new Image (Stock::ZOOM_IN, ICON_SIZE_BUTTON))));
477         zoom_out_button.add (*(manage (new Image (Stock::ZOOM_OUT, ICON_SIZE_BUTTON))));
478         zoom_out_full_button.add (*(manage (new Image (Stock::ZOOM_FIT, ICON_SIZE_BUTTON))));
479         
480         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
481         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
482         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
483         
484         zoom_indicator_box.pack_start (zoom_out_button, false, false);
485         zoom_indicator_box.pack_start (zoom_in_button, false, false);
486         zoom_indicator_box.pack_start (zoom_range_clock, false, false); 
487         zoom_indicator_box.pack_start (zoom_out_full_button, false, false);
488         
489         zoom_indicator_label.set_text (_("Zoom Span"));
490         zoom_indicator_label.set_name ("ToolBarLabel");
491
492         zoom_indicator_vbox.set_spacing (3);
493         zoom_indicator_vbox.set_border_width (3);
494         zoom_indicator_vbox.pack_start (zoom_indicator_label, false, false);
495         zoom_indicator_vbox.pack_start (zoom_indicator_box, false, false);
496
497         bottom_hbox.set_border_width (3);
498         bottom_hbox.set_spacing (3);
499
500         route_display_model = ListStore::create(route_display_columns);
501         route_list_display.set_model (route_display_model);
502         route_list_display.append_column (_("Visible"), route_display_columns.visible);
503         route_list_display.append_column (_("Name"), route_display_columns.text);
504         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
505         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
506         route_list_display.set_headers_visible (true);
507         route_list_display.set_name ("TrackListDisplay");
508         route_list_display.get_selection()->set_mode (SELECTION_NONE);
509         route_list_display.set_reorderable (true);
510         route_list_display.set_size_request (100,-1);
511
512         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
513         route_list_visible_cell->property_activatable() = true;
514         route_list_visible_cell->property_radio() = false;
515         
516         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
517         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
518
519         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
520
521         route_list_scroller.add (route_list_display);
522         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
523
524         group_model = ListStore::create(group_columns);
525         edit_group_display.set_model (group_model);
526         edit_group_display.append_column (_("Name"), group_columns.text);
527         edit_group_display.append_column (_("Active"), group_columns.is_active);
528         edit_group_display.append_column (_("Visible"), group_columns.is_visible);
529         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
530         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
531         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
532         edit_group_display.get_column (0)->set_expand (true);
533         edit_group_display.get_column (1)->set_expand (false);
534         edit_group_display.get_column (2)->set_expand (false);
535         edit_group_display.set_headers_visible (true);
536
537         /* name is directly editable */
538
539         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
540         name_cell->property_editable() = true;
541         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
542
543         /* use checkbox for the active + visible columns */
544
545         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
546         active_cell->property_activatable() = true;
547         active_cell->property_radio() = false;
548
549         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
550         active_cell->property_activatable() = true;
551         active_cell->property_radio() = false;
552
553         edit_group_display.set_name ("EditGroupList");
554
555         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
556
557         edit_group_display.set_name ("EditGroupList");
558         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
559         edit_group_display.set_reorderable (false);
560         edit_group_display.set_rules_hint (true);
561         edit_group_display.set_size_request (75, -1);
562
563         edit_group_display_scroller.add (edit_group_display);
564         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
565
566         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
567
568         VBox* edit_group_display_packer = manage (new VBox());
569         HButtonBox* edit_group_display_button_box = manage (new HButtonBox());
570         edit_group_display_button_box->set_homogeneous (true);
571
572         Button* edit_group_add_button = manage (new Button ());
573         Button* edit_group_remove_button = manage (new Button ());
574
575         Widget* w;
576
577         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
578         w->show();
579         edit_group_add_button->add (*w);
580
581         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
582         w->show();
583         edit_group_remove_button->add (*w);
584
585         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
586         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
587         
588         edit_group_display_button_box->pack_start (*edit_group_add_button);
589         edit_group_display_button_box->pack_start (*edit_group_remove_button);
590
591         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
592         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
593
594         region_list_display.set_size_request (100, -1);
595         region_list_display.set_name ("RegionListDisplay");
596
597         region_list_model = TreeStore::create (region_list_columns);
598         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
599         region_list_model->set_sort_column (0, SORT_ASCENDING);
600
601         region_list_display.set_model (region_list_model);
602         region_list_display.append_column (_("Regions"), region_list_columns.name);
603         region_list_display.set_headers_visible (false);
604         region_list_display.set_hover_expand (true);
605
606         region_list_display.get_selection()->set_select_function (mem_fun (*this, &Editor::region_list_selection_filter));
607         
608         TreeViewColumn* tv_col = region_list_display.get_column(0);
609         CellRendererText* renderer = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
610         tv_col->add_attribute(renderer->property_text(), region_list_columns.name);
611         tv_col->add_attribute(renderer->property_foreground_gdk(), region_list_columns.color_);
612         
613         region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
614         region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
615
616         /* setup DnD handling */
617         
618         list<TargetEntry> region_list_target_table;
619         
620         region_list_target_table.push_back (TargetEntry ("text/plain"));
621         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
622         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
623         
624         region_list_display.add_drop_targets (region_list_target_table);
625         region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
626
627         region_list_scroller.add (region_list_display);
628         region_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
629
630         region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
631         region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
632         region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
633         region_list_display.signal_button_release_event().connect (mem_fun(*this, &Editor::region_list_display_button_release));
634         region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
635         // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
636         
637         named_selection_scroller.add (named_selection_display);
638         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
639
640         named_selection_model = TreeStore::create (named_selection_columns);
641         named_selection_display.set_model (named_selection_model);
642         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
643         named_selection_display.set_headers_visible (false);
644         named_selection_display.set_size_request (100, -1);
645         named_selection_display.set_name ("RegionListDisplay");
646         
647         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
648         named_selection_display.set_size_request (100, -1);
649         named_selection_display.signal_button_press_event().connect (mem_fun(*this, &Editor::named_selection_display_button_press), false);
650         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
651
652         /* SNAPSHOTS */
653
654         snapshot_display_model = ListStore::create (snapshot_display_columns);
655         snapshot_display.set_model (snapshot_display_model);
656         snapshot_display.append_column (X_("snapshot"), snapshot_display_columns.visible_name);
657         snapshot_display.set_name ("SnapshotDisplayList");
658         snapshot_display.set_size_request (75, -1);
659         snapshot_display.set_headers_visible (false);
660         snapshot_display.set_reorderable (false);
661         snapshot_display_scroller.add (snapshot_display);
662         snapshot_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
663
664         snapshot_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::snapshot_display_selection_changed));
665         snapshot_display.signal_button_press_event().connect (mem_fun (*this, &Editor::snapshot_display_button_press), false);
666
667         Gtk::Label* nlabel;
668
669         nlabel = manage (new Label (_("Regions")));
670         nlabel->set_angle (-90);
671         the_notebook.append_page (region_list_scroller, *nlabel);
672         nlabel = manage (new Label (_("Tracks/Busses")));
673         nlabel->set_angle (-90);
674         the_notebook.append_page (route_list_scroller, *nlabel);
675         nlabel = manage (new Label (_("Snapshots")));
676         nlabel->set_angle (-90);
677         the_notebook.append_page (snapshot_display_scroller, *nlabel);
678         nlabel = manage (new Label (_("Edit Groups")));
679         nlabel->set_angle (-90);
680         the_notebook.append_page (*edit_group_display_packer, *nlabel);
681         nlabel = manage (new Label (_("Chunks")));
682         nlabel->set_angle (-90);
683         the_notebook.append_page (named_selection_scroller, *nlabel);
684
685         the_notebook.set_show_tabs (true);
686         the_notebook.set_scrollable (true);
687         the_notebook.popup_enable ();
688         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
689
690         edit_pane.pack1 (edit_packer, true, true);
691         edit_pane.pack2 (the_notebook, false, true);
692         
693         edit_pane.signal_size_allocate().connect_notify (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
694
695         top_hbox.pack_start (toolbar_frame, true, true);
696
697         HBox *hbox = manage (new HBox);
698         hbox->pack_start (edit_pane, true, true);
699
700         global_vpacker.pack_start (top_hbox, false, false);
701         global_vpacker.pack_start (*hbox, true, true);
702
703         global_hpacker.pack_start (global_vpacker, true, true);
704
705         set_name ("EditorWindow");
706         add_accel_group (ActionManager::ui_manager->get_accel_group());
707
708         vpacker.pack_end (global_hpacker, true, true);
709
710         /* register actions now so that set_state() can find them and set toggles/checks etc */
711         
712         register_actions ();
713         
714         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
715         set_state (*node);
716
717         _playlist_selector = new PlaylistSelector();
718         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
719
720         AudioRegionView::AudioRegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_audio_regionview));
721
722         /* nudge stuff */
723
724         nudge_forward_button.add (*(manage (new Image (get_xpm("right_arrow.xpm")))));
725         nudge_backward_button.add (*(manage (new Image (get_xpm("left_arrow.xpm")))));
726
727         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge region/selection forwards"));
728         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge region/selection backwards"));
729
730         nudge_forward_button.set_name ("TransportButton");
731         nudge_backward_button.set_name ("TransportButton");
732
733         fade_context_menu.set_name ("ArdourContextMenu");
734
735         set_title (_("ardour: editor"));
736         set_wmclass (_("ardour_editor"), "Ardour");
737
738         add (vpacker);
739         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
740
741         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
742         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
743
744         /* allow external control surfaces/protocols to do various things */
745
746         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
747         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
748         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
749         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
750         constructed = true;
751         instant_save ();
752 }
753
754 Editor::~Editor()
755 {
756         /* <CMT Additions> */
757         if(image_socket_listener)
758         {
759                 if(image_socket_listener->is_connected())
760                 {
761                         image_socket_listener->close_connection() ;
762                 }
763                 
764                 delete image_socket_listener ;
765                 image_socket_listener = 0 ;
766         }
767         /* </CMT Additions> */
768 }
769
770 void
771 Editor::add_toplevel_controls (Container& cont)
772 {
773         vpacker.pack_start (cont, false, false);
774         cont.show_all ();
775 }
776
777 void
778 Editor::catch_vanishing_audio_regionview (AudioRegionView *rv)
779 {
780         /* note: the selection will take care of the vanishing
781            audioregionview by itself.
782         */
783
784         if (clicked_regionview == rv) {
785                 clicked_regionview = 0;
786         }
787
788         if (entered_regionview == rv) {
789                 set_entered_regionview (0);
790         }
791 }
792
793 void
794 Editor::set_entered_regionview (AudioRegionView* rv)
795 {
796         if (rv == entered_regionview) {
797                 return;
798         }
799
800         if (entered_regionview) {
801                 entered_regionview->exited ();
802         }
803
804         if ((entered_regionview = rv) != 0) {
805                 entered_regionview->entered ();
806         }
807 }
808
809 void
810 Editor::set_entered_track (TimeAxisView* tav)
811 {
812         if (entered_track) {
813                 entered_track->exited ();
814         }
815
816         if ((entered_track = tav) != 0) {
817                 entered_track->entered ();
818         }
819 }
820
821 void
822 Editor::show_window ()
823 {
824         show_all ();
825         present ();
826
827         /* now reset all audio_time_axis heights, because widgets might need
828            to be re-hidden
829         */
830         
831         TimeAxisView *tv;
832         
833         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
834                 tv = (static_cast<TimeAxisView*>(*i));
835                 tv->reset_height ();
836         }
837 }
838
839 void
840 Editor::tie_vertical_scrolling ()
841 {
842         double y1 = vertical_adjustment.get_value();
843         controls_layout.get_vadjustment()->set_value (y1);
844         playhead_cursor->set_y_axis(y1);
845         edit_cursor->set_y_axis(y1);
846 }
847
848 void
849 Editor::set_frames_per_unit (double fpu)
850 {
851         jack_nframes_t frames;
852
853         if (fpu == frames_per_unit) {
854                 return;
855         }
856
857         if (fpu < 1.0) {
858                 fpu = 1.0;
859         }
860
861         // convert fpu to frame count
862
863         frames = (jack_nframes_t) floor (fpu * canvas_width);
864         
865         /* don't allow zooms that fit more than the maximum number
866            of frames into an 800 pixel wide space.
867         */
868
869         if (max_frames / fpu < 800.0) {
870                 return;
871         }
872
873         frames_per_unit = fpu;
874
875         if (frames != zoom_range_clock.current_duration()) {
876                 zoom_range_clock.set (frames);
877         }
878
879         /* only update these if we not about to call reposition_x_origin,
880            which will do the same updates.
881         */
882         
883         if (!no_zoom_repos_update) {
884                 horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
885                 update_fixed_rulers ();
886                 tempo_map_changed (Change (0));
887         }
888
889         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
890                 if (!selection->tracks.empty()) {
891                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
892                                 (*i)->reshow_selection (selection->time);
893                         }
894                 } else {
895                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
896                                 (*i)->reshow_selection (selection->time);
897                         }
898                 }
899         }
900
901         ZoomChanged (); /* EMIT_SIGNAL */
902
903         reset_hscrollbar_stepping ();
904         reset_scrolling_region ();
905         
906         if (edit_cursor) edit_cursor->set_position (edit_cursor->current_frame);
907         if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
908
909         instant_save ();
910
911 }
912
913 void
914 Editor::instant_save ()
915 {
916         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
917                 return;
918         }
919
920         if (session) {
921                 session->add_instant_xml(get_state(), session->path());
922         } else {
923                 Config->add_instant_xml(get_state(), get_user_ardour_path());
924         }
925 }
926
927 void
928 Editor::reposition_x_origin (jack_nframes_t frame)
929 {
930         if (frame != leftmost_frame) {
931                 leftmost_frame = frame;
932                 
933                 jack_nframes_t rightmost_frame = leftmost_frame + current_page_frames ();
934
935                 if (rightmost_frame > last_canvas_frame) {
936                         last_canvas_frame = rightmost_frame;
937                         reset_scrolling_region ();
938                 }
939
940                 horizontal_adjustment.set_value (frame/frames_per_unit);
941         }
942 }
943
944 void
945 Editor::edit_cursor_clock_changed()
946 {
947         if (edit_cursor->current_frame != edit_cursor_clock.current_time()) {
948                 edit_cursor->set_position (edit_cursor_clock.current_time());
949         }
950 }
951
952
953 void
954 Editor::zoom_adjustment_changed ()
955 {
956         if (session == 0 || no_zoom_repos_update) {
957                 return;
958         }
959
960         double fpu = zoom_range_clock.current_duration() / canvas_width;
961
962         if (fpu < 1.0) {
963                 fpu = 1.0;
964                 zoom_range_clock.set ((jack_nframes_t) floor (fpu * canvas_width));
965         } else if (fpu > session->current_end_frame() / canvas_width) {
966                 fpu = session->current_end_frame() / canvas_width;
967                 zoom_range_clock.set ((jack_nframes_t) floor (fpu * canvas_width));
968         }
969         
970         temporal_zoom (fpu);
971 }
972
973 void
974 Editor::control_scroll (float fraction)
975 {
976         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
977
978         if (!session) {
979                 return;
980         }
981
982         double step = fraction * current_page_frames();
983         jack_nframes_t target;
984
985         if ((fraction < 0.0f) && (session->transport_frame() < (jack_nframes_t) fabs(step))) {
986                 target = 0;
987         } else if ((fraction > 0.0f) && (max_frames - session->transport_frame() < step)) {
988                 target = (max_frames - (current_page_frames()*2)); // allow room for slop in where the PH is on the screen
989         } else {
990                 target = (session->transport_frame() + (jack_nframes_t) floor ((fraction * current_page_frames())));
991         }
992
993         /* move visuals, we'll catch up with it later */
994
995         playhead_cursor->set_position (target);
996
997         if (target > (current_page_frames() / 2)) {
998                 /* try to center PH in window */
999                 reposition_x_origin (target - (current_page_frames()/2));
1000         } else {
1001                 reposition_x_origin (0);
1002         }
1003
1004         /* cancel the existing */
1005
1006         control_scroll_connection.disconnect ();
1007
1008         /* add the next one */
1009
1010         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), target), 50);
1011 }
1012
1013 bool
1014 Editor::deferred_control_scroll (jack_nframes_t target)
1015 {
1016         session->request_locate (target);
1017         return false;
1018 }
1019
1020 void 
1021 Editor::canvas_horizontally_scrolled ()
1022 {
1023         leftmost_frame = (jack_nframes_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
1024
1025         update_fixed_rulers ();
1026         
1027         if (!edit_hscroll_dragging) {
1028                 tempo_map_changed (Change (0));
1029         } else {
1030                 update_tempo_based_rulers();
1031         }
1032 }
1033
1034 void
1035 Editor::reposition_and_zoom (jack_nframes_t frame, double nfpu)
1036 {
1037         if (!repos_zoom_queued) {
1038                 Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::deferred_reposition_and_zoom), frame, nfpu));
1039                 repos_zoom_queued = true;
1040         }
1041 }
1042
1043 gint
1044 Editor::deferred_reposition_and_zoom (jack_nframes_t frame, double nfpu)
1045 {
1046         /* if we need to force an update to the hscroller stuff,
1047            don't set no_zoom_repos_update.
1048         */
1049
1050         no_zoom_repos_update = (frame != leftmost_frame);
1051         
1052         set_frames_per_unit (nfpu);
1053         if (no_zoom_repos_update) {
1054                 reposition_x_origin  (frame);
1055         }
1056         no_zoom_repos_update = false;
1057         repos_zoom_queued = false;
1058         
1059         return FALSE;
1060 }
1061
1062 void
1063 Editor::on_realize ()
1064 {
1065         Window::on_realize ();
1066         Realized ();
1067 }
1068
1069 void
1070 Editor::queue_session_control_changed (Session::ControlType t)
1071 {
1072         Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &Editor::session_control_changed), t));
1073 }
1074
1075 void
1076 Editor::session_control_changed (Session::ControlType t)
1077 {
1078         // right now we're only tracking some state here 
1079
1080         switch (t) {
1081         case Session::AutoLoop:
1082                 update_loop_range_view (true);
1083                 break;
1084         case Session::PunchIn:
1085         case Session::PunchOut:
1086                 update_punch_range_view (true);
1087                 break;
1088
1089         case Session::LayeringModel:
1090                 update_layering_model ();
1091                 break;
1092
1093         default:
1094                 break;
1095         }
1096 }
1097
1098 void
1099 Editor::start_scrolling ()
1100 {
1101         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect 
1102                 (mem_fun(*this, &Editor::update_current_screen));
1103 }
1104
1105 void
1106 Editor::stop_scrolling ()
1107 {
1108         scroll_connection.disconnect ();
1109         slower_update_connection.disconnect ();
1110 }
1111
1112 void
1113 Editor::map_position_change (jack_nframes_t frame)
1114 {
1115         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
1116
1117         if (session == 0 || !_follow_playhead) {
1118                 return;
1119         }
1120
1121         center_screen (frame);
1122         playhead_cursor->set_position (frame);
1123 }       
1124
1125 void
1126 Editor::center_screen (jack_nframes_t frame)
1127 {
1128         double page = canvas_width * frames_per_unit;
1129
1130         /* if we're off the page, then scroll.
1131          */
1132         
1133         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1134                 center_screen_internal (frame, page);
1135         }
1136 }
1137
1138 void
1139 Editor::center_screen_internal (jack_nframes_t frame, float page)
1140 {
1141         page /= 2;
1142                 
1143         if (frame > page) {
1144                 frame -= (jack_nframes_t) page;
1145         } else {
1146                 frame = 0;
1147         }
1148
1149     reposition_x_origin (frame);
1150 }
1151
1152 void
1153 Editor::handle_new_duration ()
1154 {
1155         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1156
1157         jack_nframes_t new_end = session->get_maximum_extent() + (jack_nframes_t) floorf (current_page_frames() * 0.10f);
1158                                   
1159         if (new_end > last_canvas_frame) {
1160                 last_canvas_frame = new_end;
1161                 reset_scrolling_region ();
1162         }
1163
1164         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
1165 }
1166
1167 void
1168 Editor::update_title_s (const string & snap_name)
1169 {
1170         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1171         
1172         update_title ();
1173 }
1174
1175 void
1176 Editor::update_title ()
1177 {
1178         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1179
1180         if (session) {
1181                 bool dirty = session->dirty();
1182
1183                 string wintitle = _("ardour: editor: ");
1184
1185                 if (dirty) {
1186                         wintitle += '[';
1187                 }
1188
1189                 wintitle += session->name();
1190
1191                 if (session->snap_name() != session->name()) {
1192                         wintitle += ':';
1193                         wintitle += session->snap_name();
1194                 }
1195
1196                 if (dirty) {
1197                         wintitle += ']';
1198                 }
1199
1200                 set_title (wintitle);
1201         }
1202 }
1203
1204 void
1205 Editor::connect_to_session (Session *t)
1206 {
1207         session = t;
1208
1209         if (first_action_message) {
1210                 first_action_message->hide();
1211         }
1212
1213         update_title ();
1214
1215         session->going_away.connect (mem_fun(*this, &Editor::session_going_away));
1216
1217         /* These signals can all be emitted by a non-GUI thread. Therefore the
1218            handlers for them must not attempt to directly interact with the GUI,
1219            but use Gtkmm2ext::UI::instance()->call_slot();
1220         */
1221
1222         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1223         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1224         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route_p)));
1225         session_connections.push_back (session->AudioRegionAdded.connect (mem_fun(*this, &Editor::handle_new_audio_region)));
1226         session_connections.push_back (session->AudioRegionRemoved.connect (mem_fun(*this, &Editor::handle_audio_region_removed)));
1227         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1228         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1229         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1230         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1231         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1232         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1233         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1234         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1235         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1236
1237         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1238         session_connections.push_back (session->SMPTETypeChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1239
1240         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1241
1242         edit_groups_changed ();
1243
1244         edit_cursor_clock.set_session (session);
1245         selection_start_clock.set_session (session);
1246         selection_end_clock.set_session (session);
1247         zoom_range_clock.set_session (session);
1248         _playlist_selector->set_session (session);
1249         nudge_clock.set_session (session);
1250
1251 #ifdef FFT_ANALYSIS
1252         if (analysis_window != 0)
1253                 analysis_window->set_session (session);
1254 #endif
1255
1256         switch (session->get_edit_mode()) {
1257         case Splice:
1258                 edit_mode_selector.set_active_text (edit_mode_strings[splice_index]);
1259                 break;
1260
1261         case Slide:
1262                 edit_mode_selector.set_active_text (edit_mode_strings[slide_index]);
1263                 break;
1264         }
1265
1266         Location* loc = session->locations()->auto_loop_location();
1267         if (loc == 0) {
1268                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1269                 if (loc->start() == loc->end()) {
1270                         loc->set_end (loc->start() + 1);
1271                 }
1272                 session->locations()->add (loc, false);
1273                 session->set_auto_loop_location (loc);
1274         }
1275         else {
1276                 // force name
1277                 loc->set_name (_("Loop"));
1278         }
1279         
1280         loc = session->locations()->auto_punch_location();
1281         if (loc == 0) {
1282                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1283                 if (loc->start() == loc->end()) {
1284                         loc->set_end (loc->start() + 1);
1285                 }
1286                 session->locations()->add (loc, false);
1287                 session->set_auto_punch_location (loc);
1288         }
1289         else {
1290                 // force name
1291                 loc->set_name (_("Punch"));
1292         }
1293
1294         update_loop_range_view (true);
1295         update_punch_range_view (true);
1296         
1297         session->ControlChanged.connect (mem_fun(*this, &Editor::queue_session_control_changed));
1298         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1299         
1300         refresh_location_display ();
1301         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1302         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1303         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1304         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1305         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1306
1307         bool yn;
1308         RefPtr<Action> act;
1309
1310         act = ActionManager::get_action (X_("Editor"), X_("toggle-xfades-active"));
1311         if (act) {
1312                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
1313                 /* do it twice to force the change */
1314                 yn = session->get_crossfades_active();
1315                 tact->set_active (!yn);
1316                 tact->set_active (yn);
1317         }
1318
1319         act = ActionManager::get_action (X_("Editor"), X_("toggle-auto-xfades"));
1320         if (act) {
1321                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
1322                 /* do it twice to force the change */
1323                 yn = Config->get_auto_xfade ();
1324                 tact->set_active (!yn);
1325                 tact->set_active (yn);
1326         }
1327
1328         /* xfade visibility state set from editor::set_state() */
1329         
1330         update_crossfade_model ();
1331         update_layering_model ();
1332
1333         handle_new_duration ();
1334
1335         redisplay_regions ();
1336         redisplay_named_selections ();
1337         redisplay_snapshots ();
1338
1339         initial_route_list_display ();
1340
1341         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1342                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1343         }
1344
1345         /* ::reposition_x_origin() doesn't work right here, since the old
1346            position may be zero already, and it does nothing in such
1347            circumstances.
1348         */
1349
1350         leftmost_frame = 0;
1351         
1352         horizontal_adjustment.set_value (0);
1353
1354         restore_ruler_visibility ();
1355         tempo_map_changed (Change (0));
1356
1357         edit_cursor->set_position (0);
1358         playhead_cursor->set_position (0);
1359
1360         start_scrolling ();
1361
1362         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1363         set_state (*node);
1364
1365         /* don't show master bus in a new session */
1366
1367         if (ARDOUR_UI::instance()->session_is_new ()) {
1368
1369                 TreeModel::Children rows = route_display_model->children();
1370                 TreeModel::Children::iterator i;
1371         
1372                 no_route_list_redisplay = true;
1373                 
1374                 for (i = rows.begin(); i != rows.end(); ++i) {
1375                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1376                         AudioTimeAxisView *atv;
1377                         
1378                         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) != 0) {
1379                                 if (atv->route()->master()) {
1380                                         route_list_display.get_selection()->unselect (i);
1381                                 }
1382                         }
1383                 }
1384                 
1385                 no_route_list_redisplay = false;
1386                 redisplay_route_list ();
1387         }
1388 }
1389
1390 void
1391 Editor::build_cursors ()
1392 {
1393         using namespace Gdk;
1394         
1395         Gdk::Color mbg ("#000000" ); /* Black */
1396         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1397
1398         {
1399                 RefPtr<Bitmap> source, mask;
1400                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1401                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1402                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1403         }
1404
1405         Gdk::Color fbg ("#ffffff" );
1406         Gdk::Color ffg  ("#000000" );
1407         
1408         {
1409                 RefPtr<Bitmap> source, mask;
1410                 
1411                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1412                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1413                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1414         }
1415         
1416         { 
1417                 RefPtr<Bitmap> source, mask;
1418                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1419                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1420                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1421         }
1422
1423         grabber_cursor = new Gdk::Cursor (HAND2);
1424         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1425         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1426         selector_cursor = new Gdk::Cursor (XTERM);
1427         time_fx_cursor = new Gdk::Cursor (SIZING);
1428         wait_cursor = new Gdk::Cursor  (WATCH);
1429         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1430 }
1431
1432 void
1433 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1434 {
1435         using namespace Menu_Helpers;
1436         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1437
1438         if (arv == 0) {
1439                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1440                 /*NOTREACHED*/
1441         }
1442
1443         MenuList& items (fade_context_menu.items());
1444
1445         items.clear ();
1446
1447         switch (item_type) {
1448         case FadeInItem:
1449         case FadeInHandleItem:
1450                 if (arv->region.fade_in_active()) {
1451                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), false)));
1452                 } else {
1453                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), true)));
1454                 }
1455                 
1456                 items.push_back (SeparatorElem());
1457                 
1458                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (arv->region, &AudioRegion::set_fade_in_shape), AudioRegion::Linear)));
1459                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (arv->region, &AudioRegion::set_fade_in_shape), AudioRegion::LogB)));
1460                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (arv->region, &AudioRegion::set_fade_in_shape), AudioRegion::Fast)));
1461                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (arv->region, &AudioRegion::set_fade_in_shape), AudioRegion::LogA)));
1462                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (arv->region, &AudioRegion::set_fade_in_shape), AudioRegion::Slow)));
1463                 break;
1464
1465         case FadeOutItem:
1466         case FadeOutHandleItem:
1467                 if (arv->region.fade_out_active()) {
1468                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), false)));
1469                 } else {
1470                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), true)));
1471                 }
1472                 
1473                 items.push_back (SeparatorElem());
1474                 
1475                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (arv->region, &AudioRegion::set_fade_out_shape), AudioRegion::Linear)));
1476                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (arv->region, &AudioRegion::set_fade_out_shape), AudioRegion::Fast)));
1477                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (arv->region, &AudioRegion::set_fade_out_shape), AudioRegion::LogB)));
1478                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (arv->region, &AudioRegion::set_fade_out_shape), AudioRegion::LogA)));
1479                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (arv->region, &AudioRegion::set_fade_out_shape), AudioRegion::Slow)));
1480
1481                 break;
1482         default:
1483                 fatal << _("programming error: ")
1484                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1485                       << endmsg;
1486                 /*NOTREACHED*/
1487         }
1488
1489         fade_context_menu.popup (button, time);
1490 }
1491
1492 void
1493 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, jack_nframes_t frame)
1494 {
1495         using namespace Menu_Helpers;
1496         Menu* (Editor::*build_menu_function)(jack_nframes_t);
1497         Menu *menu;
1498
1499         switch (item_type) {
1500         case RegionItem:
1501         case AudioRegionViewName:
1502         case AudioRegionViewNameHighlight:
1503                 if (with_selection) {
1504                         build_menu_function = &Editor::build_track_selection_context_menu;
1505                 } else {
1506                         build_menu_function = &Editor::build_track_region_context_menu;
1507                 }
1508                 break;
1509
1510         case SelectionItem:
1511                 if (with_selection) {
1512                         build_menu_function = &Editor::build_track_selection_context_menu;
1513                 } else {
1514                         build_menu_function = &Editor::build_track_context_menu;
1515                 }
1516                 break;
1517
1518         case CrossfadeViewItem:
1519                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1520                 break;
1521
1522         case StreamItem:
1523                 if (clicked_audio_trackview->get_diskstream()) {
1524                         build_menu_function = &Editor::build_track_context_menu;
1525                 } else {
1526                         build_menu_function = &Editor::build_track_bus_context_menu;
1527                 }
1528                 break;
1529
1530         default:
1531                 /* probably shouldn't happen but if it does, we don't care */
1532                 return;
1533         }
1534
1535         menu = (this->*build_menu_function)(frame);
1536         menu->set_name ("ArdourContextMenu");
1537         
1538         /* now handle specific situations */
1539
1540         switch (item_type) {
1541         case RegionItem:
1542         case AudioRegionViewName:
1543         case AudioRegionViewNameHighlight:
1544                 if (!with_selection) {
1545                         if (region_edit_menu_split_item) {
1546                                 if (clicked_regionview && clicked_regionview->region.covers (edit_cursor->current_frame)) {
1547                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, true);
1548                                 } else {
1549                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, false);
1550                                 }
1551                         }
1552                         if (region_edit_menu_split_multichannel_item) {
1553                                 if (clicked_regionview && clicked_regionview->region.n_channels() > 1) {
1554                                         // GTK2FIX find the action, change its sensitivity
1555                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1556                                 } else {
1557                                         // GTK2FIX see above
1558                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1559                                 }
1560                         }
1561                 }
1562                 break;
1563
1564         case SelectionItem:
1565                 break;
1566
1567         case CrossfadeViewItem:
1568                 break;
1569
1570         case StreamItem:
1571                 break;
1572
1573         default:
1574                 /* probably shouldn't happen but if it does, we don't care */
1575                 return;
1576         }
1577
1578         if (clicked_audio_trackview && clicked_audio_trackview->audio_track()) {
1579
1580                 /* Bounce to disk */
1581                 
1582                 using namespace Menu_Helpers;
1583                 MenuList& edit_items  = menu->items();
1584                 
1585                 edit_items.push_back (SeparatorElem());
1586
1587                 switch (clicked_audio_trackview->audio_track()->freeze_state()) {
1588                 case AudioTrack::NoFreeze:
1589                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1590                         break;
1591
1592                 case AudioTrack::Frozen:
1593                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1594                         break;
1595                         
1596                 case AudioTrack::UnFrozen:
1597                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1598                         break;
1599                 }
1600
1601         }
1602
1603         menu->popup (button, time);
1604 }
1605
1606 Menu*
1607 Editor::build_track_context_menu (jack_nframes_t ignored)
1608 {
1609         using namespace Menu_Helpers;
1610
1611         MenuList& edit_items = track_context_menu.items();
1612         edit_items.clear();
1613
1614         add_dstream_context_items (edit_items);
1615         return &track_context_menu;
1616 }
1617
1618 Menu*
1619 Editor::build_track_bus_context_menu (jack_nframes_t ignored)
1620 {
1621         using namespace Menu_Helpers;
1622
1623         MenuList& edit_items = track_context_menu.items();
1624         edit_items.clear();
1625
1626         add_bus_context_items (edit_items);
1627         return &track_context_menu;
1628 }
1629
1630 Menu*
1631 Editor::build_track_region_context_menu (jack_nframes_t frame)
1632 {
1633         using namespace Menu_Helpers;
1634         MenuList& edit_items  = track_region_context_menu.items();
1635         edit_items.clear();
1636
1637         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1638
1639         if (atv) {
1640                 AudioDiskstream* ds;
1641                 Playlist* pl;
1642                 
1643                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
1644                         Playlist::RegionList* regions = pl->regions_at ((jack_nframes_t) floor ( (double)frame * ds->speed()));
1645                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1646                                 add_region_context_items (atv->view, (*i), edit_items);
1647                         }
1648                         delete regions;
1649                 }
1650         }
1651
1652         add_dstream_context_items (edit_items);
1653
1654         return &track_region_context_menu;
1655 }
1656
1657 Menu*
1658 Editor::build_track_crossfade_context_menu (jack_nframes_t frame)
1659 {
1660         using namespace Menu_Helpers;
1661         MenuList& edit_items  = track_crossfade_context_menu.items();
1662         edit_items.clear ();
1663
1664         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1665
1666         if (atv) {
1667                 AudioDiskstream* ds;
1668                 Playlist* pl;
1669                 AudioPlaylist* apl;
1670
1671                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = dynamic_cast<AudioPlaylist*> (pl)) != 0)) {
1672
1673                         Playlist::RegionList* regions = pl->regions_at (frame);
1674                         AudioPlaylist::Crossfades xfades;
1675
1676                         apl->crossfades_at (frame, xfades);
1677
1678                         bool many = xfades.size() > 1;
1679
1680                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1681                                 add_crossfade_context_items (atv->view, (*i), edit_items, many);
1682                         }
1683
1684                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1685                                 add_region_context_items (atv->view, (*i), edit_items);
1686                         }
1687
1688                         delete regions;
1689                 }
1690         }
1691
1692         add_dstream_context_items (edit_items);
1693
1694         return &track_crossfade_context_menu;
1695 }
1696
1697 #ifdef FFT_ANALYSIS
1698 void
1699 Editor::analyze_region_selection()
1700 {
1701         if (analysis_window == 0) {
1702                 analysis_window = new AnalysisWindow();
1703
1704                 if (session != 0)
1705                         analysis_window->set_session(session);
1706
1707                 analysis_window->show_all();
1708         }
1709
1710         analysis_window->set_regionmode();
1711         analysis_window->analyze();
1712         
1713         analysis_window->present();
1714 }
1715
1716 void
1717 Editor::analyze_range_selection()
1718 {
1719         if (analysis_window == 0) {
1720                 analysis_window = new AnalysisWindow();
1721
1722                 if (session != 0)
1723                         analysis_window->set_session(session);
1724
1725                 analysis_window->show_all();
1726         }
1727
1728         analysis_window->set_rangemode();
1729         analysis_window->analyze();
1730         
1731         analysis_window->present();
1732 }
1733 #endif /* FFT_ANALYSIS */
1734
1735
1736
1737 Menu*
1738 Editor::build_track_selection_context_menu (jack_nframes_t ignored)
1739 {
1740         using namespace Menu_Helpers;
1741         MenuList& edit_items  = track_selection_context_menu.items();
1742         edit_items.clear ();
1743
1744         add_selection_context_items (edit_items);
1745         add_dstream_context_items (edit_items);
1746
1747         return &track_selection_context_menu;
1748 }
1749
1750 void
1751 Editor::add_crossfade_context_items (StreamView* view, Crossfade* xfade, Menu_Helpers::MenuList& edit_items, bool many)
1752 {
1753         using namespace Menu_Helpers;
1754         Menu     *xfade_menu = manage (new Menu);
1755         MenuList& items       = xfade_menu->items();
1756         xfade_menu->set_name ("ArdourContextMenu");
1757         string str;
1758
1759         if (xfade->active()) {
1760                 str = _("Mute");
1761         } else { 
1762                 str = _("Unmute");
1763         }
1764
1765         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), xfade)));
1766         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), xfade)));
1767
1768         if (xfade->can_follow_overlap()) {
1769
1770                 if (xfade->following_overlap()) {
1771                         str = _("Convert to short");
1772                 } else {
1773                         str = _("Convert to full");
1774                 }
1775
1776                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1777         }
1778
1779         if (many) {
1780                 str = xfade->out().name();
1781                 str += "->";
1782                 str += xfade->in().name();
1783         } else {
1784                 str = _("Crossfade");
1785         }
1786
1787         edit_items.push_back (MenuElem (str, *xfade_menu));
1788         edit_items.push_back (SeparatorElem());
1789 }
1790
1791 void
1792 Editor::xfade_edit_left_region ()
1793 {
1794         if (clicked_crossfadeview) {
1795                 clicked_crossfadeview->left_view.show_region_editor ();
1796         }
1797 }
1798
1799 void
1800 Editor::xfade_edit_right_region ()
1801 {
1802         if (clicked_crossfadeview) {
1803                 clicked_crossfadeview->right_view.show_region_editor ();
1804         }
1805 }
1806
1807 void
1808 Editor::add_region_context_items (StreamView* sv, Region* region, Menu_Helpers::MenuList& edit_items)
1809 {
1810         using namespace Menu_Helpers;
1811         Menu     *region_menu = manage (new Menu);
1812         MenuList& items       = region_menu->items();
1813         region_menu->set_name ("ArdourContextMenu");
1814         
1815         AudioRegion* ar = 0;
1816
1817         if (region) {
1818                 ar = dynamic_cast<AudioRegion*> (region);
1819         }
1820
1821         /* when this particular menu pops up, make the relevant region 
1822            become selected.
1823         */
1824
1825         region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, region));
1826
1827         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1828         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1829         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1830         items.push_back (SeparatorElem());
1831         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_cursor)));
1832         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1833         items.push_back (SeparatorElem());
1834
1835         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::audition_selected_region)));
1836         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1837         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1838
1839 #ifdef FFT_ANALYSIS
1840         items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
1841 #endif
1842
1843         items.push_back (SeparatorElem());
1844
1845         /* XXX hopefully this nonsense will go away with SigC++ 2.X, where the compiler
1846            might be able to figure out which overloaded member function to use in
1847            a bind() call ...
1848         */
1849
1850         void (Editor::*type_A_pmf)(void (Region::*pmf)(bool), bool) = &Editor::region_selection_op;
1851
1852         items.push_back (MenuElem (_("Lock"), bind (mem_fun(*this, type_A_pmf), &Region::set_locked, true)));
1853         items.push_back (MenuElem (_("Unlock"), bind (mem_fun(*this, type_A_pmf), &Region::set_locked, false)));
1854         items.push_back (SeparatorElem());
1855
1856         if (region->muted()) {
1857                 items.push_back (MenuElem (_("Unmute"), bind (mem_fun(*this, type_A_pmf), &Region::set_muted, false)));
1858         } else {
1859                 items.push_back (MenuElem (_("Mute"), bind (mem_fun(*this, type_A_pmf), &Region::set_muted, true)));
1860         }
1861         items.push_back (SeparatorElem());
1862
1863         items.push_back (MenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1864         items.push_back (SeparatorElem());
1865
1866
1867         if (ar) {
1868
1869                 items.push_back (MenuElem (_("Toggle envelope visibility"), mem_fun(*this, &Editor::toggle_gain_envelope_visibility)));
1870                 items.push_back (MenuElem (_("Toggle envelope active"), mem_fun(*this, &Editor::toggle_gain_envelope_active)));
1871                 items.push_back (SeparatorElem());
1872
1873                 if (ar->scale_amplitude() != 1.0f) {
1874                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1875                 } else {
1876                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1877                 }
1878         }
1879         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1880         items.push_back (SeparatorElem());
1881
1882
1883         /* range related stuff */
1884
1885         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1886         items.push_back (MenuElem (_("Set Range"), mem_fun (*this, &Editor::set_selection_from_audio_region)));
1887         items.push_back (SeparatorElem());
1888                          
1889         /* Nudge region */
1890
1891         Menu *nudge_menu = manage (new Menu());
1892         MenuList& nudge_items = nudge_menu->items();
1893         nudge_menu->set_name ("ArdourContextMenu");
1894         
1895         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false))));
1896         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false))));
1897         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1898         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1899
1900         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1901         items.push_back (SeparatorElem());
1902
1903         Menu *trim_menu = manage (new Menu);
1904         MenuList& trim_items = trim_menu->items();
1905         trim_menu->set_name ("ArdourContextMenu");
1906         
1907         trim_items.push_back (MenuElem (_("Start to edit cursor"), mem_fun(*this, &Editor::trim_region_from_edit_cursor)));
1908         trim_items.push_back (MenuElem (_("Edit cursor to end"), mem_fun(*this, &Editor::trim_region_to_edit_cursor)));
1909                              
1910         items.push_back (MenuElem (_("Trim"), *trim_menu));
1911         items.push_back (SeparatorElem());
1912
1913         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1914         region_edit_menu_split_item = &items.back();
1915
1916         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1917         region_edit_menu_split_multichannel_item = &items.back();
1918
1919         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1920         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1921         items.push_back (SeparatorElem());
1922         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
1923         items.push_back (SeparatorElem());
1924         items.push_back (MenuElem (_("Destroy"), mem_fun(*this, &Editor::destroy_clicked_region)));
1925
1926         /* OK, stick the region submenu at the top of the list, and then add
1927            the standard items.
1928         */
1929
1930         /* we have to hack up the region name because "_" has a special
1931            meaning for menu titles.
1932         */
1933
1934         string::size_type pos = 0;
1935         string menu_item_name = region->name();
1936
1937         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1938                 menu_item_name.replace (pos, 1, "__");
1939                 pos += 2;
1940         }
1941         
1942         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1943         edit_items.push_back (SeparatorElem());
1944 }
1945
1946 void
1947 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1948 {
1949         using namespace Menu_Helpers;
1950         Menu     *selection_menu = manage (new Menu);
1951         MenuList& items       = selection_menu->items();
1952         selection_menu->set_name ("ArdourContextMenu");
1953
1954         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1955         items.push_back (MenuElem (_("Loop range"), mem_fun(*this, &Editor::set_route_loop_selection)));
1956
1957 #ifdef FFT_ANALYSIS
1958         items.push_back (SeparatorElem());
1959         items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
1960 #endif
1961         
1962         items.push_back (SeparatorElem());
1963         items.push_back (MenuElem (_("Separate range to track"), mem_fun(*this, &Editor::separate_region_from_selection)));
1964         items.push_back (MenuElem (_("Separate range to region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1965         
1966         items.push_back (SeparatorElem());
1967         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1968         items.push_back (SeparatorElem());
1969         items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1970         items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1971         items.push_back (SeparatorElem());
1972         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1973         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1974         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1975         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::name_selection)));
1976         items.push_back (SeparatorElem());
1977         items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
1978         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
1979
1980         edit_items.push_back (MenuElem (_("Range"), *selection_menu));
1981         edit_items.push_back (SeparatorElem());
1982 }
1983
1984 void
1985 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1986 {
1987         using namespace Menu_Helpers;
1988
1989         /* Playback */
1990
1991         Menu *play_menu = manage (new Menu);
1992         MenuList& play_items = play_menu->items();
1993         play_menu->set_name ("ArdourContextMenu");
1994         
1995         play_items.push_back (MenuElem (_("Play from edit cursor")));
1996         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1997         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1998         play_items.push_back (SeparatorElem());
1999         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
2000         
2001         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2002
2003         /* Selection */
2004
2005         Menu *select_menu = manage (new Menu);
2006         MenuList& select_items = select_menu->items();
2007         select_menu->set_name ("ArdourContextMenu");
2008         
2009         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2010         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2011         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2012         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2013         select_items.push_back (SeparatorElem());
2014         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
2015         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
2016         select_items.push_back (SeparatorElem());
2017         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
2018         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
2019         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2020         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2021         select_items.push_back (MenuElem (_("Select all between cursors"), bind (mem_fun(*this, &Editor::select_all_selectables_between_cursors), playhead_cursor, edit_cursor)));
2022         select_items.push_back (SeparatorElem());
2023
2024         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2025
2026         /* Cut-n-Paste */
2027
2028         Menu *cutnpaste_menu = manage (new Menu);
2029         MenuList& cutnpaste_items = cutnpaste_menu->items();
2030         cutnpaste_menu->set_name ("ArdourContextMenu");
2031         
2032         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2033         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2034         cutnpaste_items.push_back (MenuElem (_("Paste at edit cursor"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2035         cutnpaste_items.push_back (MenuElem (_("Paste at mouse"), mem_fun(*this, &Editor::mouse_paste)));
2036
2037         cutnpaste_items.push_back (SeparatorElem());
2038
2039         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
2040         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
2041
2042         cutnpaste_items.push_back (SeparatorElem());
2043
2044         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
2045
2046         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
2047
2048         /* Adding new material */
2049         
2050         edit_items.push_back (SeparatorElem());
2051         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
2052         edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
2053
2054         /* Nudge track */
2055
2056         Menu *nudge_menu = manage (new Menu());
2057         MenuList& nudge_items = nudge_menu->items();
2058         nudge_menu->set_name ("ArdourContextMenu");
2059         
2060         edit_items.push_back (SeparatorElem());
2061         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2062         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2063         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2064         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2065
2066         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2067 }
2068
2069 void
2070 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2071 {
2072         using namespace Menu_Helpers;
2073
2074         /* Playback */
2075
2076         Menu *play_menu = manage (new Menu);
2077         MenuList& play_items = play_menu->items();
2078         play_menu->set_name ("ArdourContextMenu");
2079         
2080         play_items.push_back (MenuElem (_("Play from edit cursor")));
2081         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2082         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2083
2084         /* Selection */
2085
2086         Menu *select_menu = manage (new Menu);
2087         MenuList& select_items = select_menu->items();
2088         select_menu->set_name ("ArdourContextMenu");
2089         
2090         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2091         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2092         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2093         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2094         select_items.push_back (SeparatorElem());
2095         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
2096         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
2097         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2098         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2099
2100         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2101
2102         /* Cut-n-Paste */
2103
2104         Menu *cutnpaste_menu = manage (new Menu);
2105         MenuList& cutnpaste_items = cutnpaste_menu->items();
2106         cutnpaste_menu->set_name ("ArdourContextMenu");
2107         
2108         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2109         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2110         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2111
2112         Menu *nudge_menu = manage (new Menu());
2113         MenuList& nudge_items = nudge_menu->items();
2114         nudge_menu->set_name ("ArdourContextMenu");
2115         
2116         edit_items.push_back (SeparatorElem());
2117         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2118         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2119         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2120         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2121
2122         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2123 }
2124
2125 /* CURSOR SETTING AND MARKS AND STUFF */
2126
2127 void
2128 Editor::set_snap_to (SnapType st)
2129 {
2130         snap_type = st;
2131         vector<string> txt = internationalize (snap_type_strings);
2132         snap_type_selector.set_active_text (txt[(int)st]);
2133
2134         instant_save ();
2135
2136         switch (snap_type) {
2137         case SnapToAThirtysecondBeat:
2138         case SnapToASixteenthBeat:
2139         case SnapToAEighthBeat:
2140         case SnapToAQuarterBeat:
2141         case SnapToAThirdBeat:
2142                 update_tempo_based_rulers ();
2143         default:
2144                 /* relax */
2145                 break;
2146     }
2147 }
2148
2149 void
2150 Editor::set_snap_mode (SnapMode mode)
2151 {
2152         snap_mode = mode;
2153         vector<string> txt = internationalize (snap_mode_strings);
2154         snap_mode_selector.set_active_text (txt[(int)mode]);
2155
2156         instant_save ();
2157 }
2158
2159 int
2160 Editor::set_state (const XMLNode& node)
2161 {
2162         const XMLProperty* prop;
2163         XMLNode* geometry;
2164         int x, y, xoff, yoff;
2165         Gdk::Geometry g;
2166
2167
2168         if ((geometry = find_named_node (node, "geometry")) == 0) {
2169
2170                 g.base_width = default_width;
2171                 g.base_height = default_height;
2172                 x = 1;
2173                 y = 1;
2174                 xoff = 0;
2175                 yoff = 21;
2176
2177         } else {
2178
2179                 g.base_width = atoi(geometry->property("x_size")->value());
2180                 g.base_height = atoi(geometry->property("y_size")->value());
2181                 x = atoi(geometry->property("x_pos")->value());
2182                 y = atoi(geometry->property("y_pos")->value());
2183                 xoff = atoi(geometry->property("x_off")->value());
2184                 yoff = atoi(geometry->property("y_off")->value());
2185         }
2186
2187         set_default_size (g.base_width, g.base_height);
2188         move (x, y);
2189
2190         if ((prop = node.property ("zoom-focus"))) {
2191                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2192         }
2193
2194         if ((prop = node.property ("zoom"))) {
2195                 set_frames_per_unit (PBD::atof (prop->value()));
2196         }
2197
2198         if ((prop = node.property ("snap-to"))) {
2199                 set_snap_to ((SnapType) atoi (prop->value()));
2200         }
2201
2202         if ((prop = node.property ("snap-mode"))) {
2203                 set_snap_mode ((SnapMode) atoi (prop->value()));
2204         }
2205
2206         if ((prop = node.property ("mouse-mode"))) {
2207                 MouseMode m = str2mousemode(prop->value());
2208                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2209                 set_mouse_mode (m, true);
2210         } else {
2211                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2212                 set_mouse_mode (MouseObject, true);
2213         }
2214
2215         if ((prop = node.property ("show-waveforms"))) {
2216                 bool yn = (prop->value() == "yes");
2217                 _show_waveforms = !yn;
2218                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
2219                 if (act) {
2220                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2221                         /* do it twice to force the change */
2222                         tact->set_active (!yn);
2223                         tact->set_active (yn);
2224                 }
2225         }
2226
2227         if ((prop = node.property ("show-waveforms-recording"))) {
2228                 bool yn = (prop->value() == "yes");
2229                 _show_waveforms_recording = !yn;
2230                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2231                 if (act) {
2232                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2233                         /* do it twice to force the change */
2234                         tact->set_active (!yn);
2235                         tact->set_active (yn);
2236                 }
2237         }
2238         
2239         if ((prop = node.property ("show-measures"))) {
2240                 bool yn = (prop->value() == "yes");
2241                 _show_measures = !yn;
2242                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2243                 if (act) {
2244                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2245                         /* do it twice to force the change */
2246                         tact->set_active (!yn);
2247                         tact->set_active (yn);
2248                 }
2249         }
2250
2251         if ((prop = node.property ("follow-playhead"))) {
2252                 bool yn = (prop->value() == "yes");
2253                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2254                 if (act) {
2255                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2256                         /* do it twice to force the change */
2257                         tact->set_active (!yn);
2258                         tact->set_active (yn);
2259                 }
2260         }
2261
2262
2263         if ((prop = node.property ("region-list-sort-type"))) {
2264                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change 
2265                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2266         }
2267
2268         if ((prop = node.property ("xfades-visible"))) {
2269                 bool yn = (prop->value() == "yes");
2270                 _xfade_visibility = !yn;
2271                 // set_xfade_visibility (yn);
2272         }
2273
2274         if ((prop = node.property ("show-editor-mixer"))) {
2275
2276                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2277                 if (act) {
2278                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2279                         bool yn = (prop->value() == X_("yes"));
2280
2281                         /* do it twice to force the change */
2282                         
2283                         tact->set_active (!yn);
2284                         tact->set_active (yn);
2285                 }
2286         }
2287
2288         return 0;
2289 }
2290
2291 XMLNode&
2292 Editor::get_state ()
2293 {
2294         XMLNode* node = new XMLNode ("Editor");
2295         char buf[32];
2296
2297         if (is_realized()) {
2298                 Glib::RefPtr<Gdk::Window> win = get_window();
2299                 
2300                 int x, y, xoff, yoff, width, height;
2301                 win->get_root_origin(x, y);
2302                 win->get_position(xoff, yoff);
2303                 win->get_size(width, height);
2304                 
2305                 XMLNode* geometry = new XMLNode ("geometry");
2306                 char buf[32];
2307                 snprintf(buf, sizeof(buf), "%d", width);
2308                 geometry->add_property("x_size", string(buf));
2309                 snprintf(buf, sizeof(buf), "%d", height);
2310                 geometry->add_property("y_size", string(buf));
2311                 snprintf(buf, sizeof(buf), "%d", x);
2312                 geometry->add_property("x_pos", string(buf));
2313                 snprintf(buf, sizeof(buf), "%d", y);
2314                 geometry->add_property("y_pos", string(buf));
2315                 snprintf(buf, sizeof(buf), "%d", xoff);
2316                 geometry->add_property("x_off", string(buf));
2317                 snprintf(buf, sizeof(buf), "%d", yoff);
2318                 geometry->add_property("y_off", string(buf));
2319                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2320                 geometry->add_property("edit_pane_pos", string(buf));
2321
2322                 node->add_child_nocopy (*geometry);
2323         }
2324
2325         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2326         node->add_property ("zoom-focus", buf);
2327         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2328         node->add_property ("zoom", buf);
2329         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2330         node->add_property ("snap-to", buf);
2331         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2332         node->add_property ("snap-mode", buf);
2333
2334         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2335         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2336         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2337         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2338         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2339         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2340         node->add_property ("mouse-mode", enum2str(mouse_mode));
2341         
2342         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2343         if (act) {
2344                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2345                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2346         }
2347
2348         return *node;
2349 }
2350
2351
2352
2353 TimeAxisView *
2354 Editor::trackview_by_y_position (double y)
2355 {
2356         TrackViewList::iterator iter;
2357         TimeAxisView *tv;
2358
2359         for (iter = track_views.begin(); iter != track_views.end(); ++iter) {
2360
2361                 tv = *iter;
2362
2363                 if (tv->hidden()) {
2364                         continue;
2365                 }
2366
2367                 if (tv->y_position <= y && y < ((tv->y_position + tv->height + track_spacing))) {
2368                         return tv;
2369                 }
2370         }
2371
2372         return 0;
2373 }
2374
2375 void
2376 Editor::snap_to (jack_nframes_t& start, int32_t direction, bool for_mark)
2377 {
2378         Location* before = 0;
2379         Location* after = 0;
2380
2381         if (!session) {
2382                 return;
2383         }
2384
2385         const jack_nframes_t one_second = session->frame_rate();
2386         const jack_nframes_t one_minute = session->frame_rate() * 60;
2387
2388         jack_nframes_t presnap = start;
2389
2390         switch (snap_type) {
2391         case SnapToFrame:
2392                 break;
2393
2394         case SnapToCDFrame:
2395                 if (direction) {
2396                         start = (jack_nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2397                 } else {
2398                         start = (jack_nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2399                 }
2400                 break;
2401         case SnapToSMPTEFrame:
2402                 if (direction) {
2403                         start = (jack_nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2404                 } else {
2405                         start = (jack_nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2406                 }
2407                 break;
2408
2409         case SnapToSMPTESeconds:
2410                 if (session->smpte_offset_negative())
2411                 {
2412                         start += session->smpte_offset ();
2413                 } else {
2414                         start -= session->smpte_offset ();
2415                 }    
2416                 if (direction > 0) {
2417                         start = (jack_nframes_t) ceil ((double) start / one_second) * one_second;
2418                 } else {
2419                         start = (jack_nframes_t) floor ((double) start / one_second) * one_second;
2420                 }
2421                 
2422                 if (session->smpte_offset_negative())
2423                 {
2424                         start -= session->smpte_offset ();
2425                 } else {
2426                         start += session->smpte_offset ();
2427                 }
2428                 break;
2429                 
2430         case SnapToSMPTEMinutes:
2431                 if (session->smpte_offset_negative())
2432                 {
2433                         start += session->smpte_offset ();
2434                 } else {
2435                         start -= session->smpte_offset ();
2436                 }
2437                 if (direction) {
2438                         start = (jack_nframes_t) ceil ((double) start / one_minute) * one_minute;
2439                 } else {
2440                         start = (jack_nframes_t) floor ((double) start / one_minute) * one_minute;
2441                 }
2442                 if (session->smpte_offset_negative())
2443                 {
2444                         start -= session->smpte_offset ();
2445                 } else {
2446                         start += session->smpte_offset ();
2447                 }
2448                 break;
2449                 
2450         case SnapToSeconds:
2451                 if (direction) {
2452                         start = (jack_nframes_t) ceil ((double) start / one_second) * one_second;
2453                 } else {
2454                         start = (jack_nframes_t) floor ((double) start / one_second) * one_second;
2455                 }
2456                 break;
2457                 
2458         case SnapToMinutes:
2459                 if (direction) {
2460                         start = (jack_nframes_t) ceil ((double) start / one_minute) * one_minute;
2461                 } else {
2462                         start = (jack_nframes_t) floor ((double) start / one_minute) * one_minute;
2463                 }
2464                 break;
2465
2466         case SnapToBar:
2467                 start = session->tempo_map().round_to_bar (start, direction);
2468                 break;
2469
2470         case SnapToBeat:
2471                 start = session->tempo_map().round_to_beat (start, direction);
2472                 break;
2473
2474         case SnapToAThirtysecondBeat:
2475                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2476                 break;
2477
2478         case SnapToASixteenthBeat:
2479                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2480                 break;
2481
2482         case SnapToAEighthBeat:
2483                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2484                 break;
2485
2486         case SnapToAQuarterBeat:
2487                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2488                 break;
2489
2490         case SnapToAThirdBeat:
2491                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2492                 break;
2493
2494         case SnapToEditCursor:
2495                 start = edit_cursor->current_frame;
2496                 break;
2497
2498         case SnapToMark:
2499                 if (for_mark) {
2500                         return;
2501                 }
2502
2503                 before = session->locations()->first_location_before (start);
2504                 after = session->locations()->first_location_after (start);
2505
2506                 if (direction < 0) {
2507                         if (before) {
2508                                 start = before->start();
2509                         } else {
2510                                 start = 0;
2511                         }
2512                 } else if (direction > 0) {
2513                         if (after) {
2514                                 start = after->start();
2515                         } else {
2516                                 start = session->current_end_frame();
2517                         }
2518                 } else {
2519                         if (before) {
2520                                 if (after) {
2521                                         /* find nearest of the two */
2522                                         if ((start - before->start()) < (after->start() - start)) {
2523                                                 start = before->start();
2524                                         } else {
2525                                                 start = after->start();
2526                                         }
2527                                 } else {
2528                                         start = before->start();
2529                                 }
2530                         } else if (after) {
2531                                 start = after->start();
2532                         } else {
2533                                 /* relax */
2534                         }
2535                 }
2536                 break;
2537
2538         case SnapToRegionStart:
2539         case SnapToRegionEnd:
2540         case SnapToRegionSync:
2541         case SnapToRegionBoundary:
2542                 if (!region_boundary_cache.empty()) {
2543                         vector<jack_nframes_t>::iterator i;
2544
2545                         if (direction > 0) {
2546                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2547                         } else {
2548                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2549                         }
2550                         
2551                         if (i != region_boundary_cache.end()) {
2552                                 start = *i;
2553                         } else {
2554                                 start = region_boundary_cache.back();
2555                         }
2556                 }
2557                 break;
2558         }
2559
2560         switch (snap_mode) {
2561         case SnapNormal:
2562                 return;                 
2563                 
2564         case SnapMagnetic:
2565                 
2566                 if (presnap > start) {
2567                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2568                                 start = presnap;
2569                         }
2570                         
2571                 } else if (presnap < start) {
2572                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2573                                 start = presnap;
2574                         }
2575                 }
2576                 
2577         default:
2578                 return;
2579                 
2580         }
2581 }
2582
2583 void
2584 Editor::setup_toolbar ()
2585 {
2586         string pixmap_path;
2587         vector<ToggleButton *> mouse_mode_buttons;
2588
2589         mouse_mode_buttons.push_back (&mouse_move_button);
2590         mouse_mode_buttons.push_back (&mouse_select_button);
2591         mouse_mode_buttons.push_back (&mouse_gain_button);
2592         mouse_mode_buttons.push_back (&mouse_zoom_button);
2593         mouse_mode_buttons.push_back (&mouse_timefx_button);
2594         mouse_mode_buttons.push_back (&mouse_audition_button);
2595         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2596
2597         mouse_mode_button_table.set_homogeneous (true);
2598         mouse_mode_button_table.set_col_spacings (2);
2599         mouse_mode_button_table.set_row_spacings (2);
2600         mouse_mode_button_table.set_border_width (5);
2601
2602         mouse_mode_button_table.attach (mouse_move_button, 0, 1, 0, 1);
2603         mouse_mode_button_table.attach (mouse_select_button, 1, 2, 0, 1);
2604         mouse_mode_button_table.attach (mouse_zoom_button, 2, 3, 0, 1);
2605  
2606         mouse_mode_button_table.attach (mouse_gain_button, 0, 1, 1, 2);
2607         mouse_mode_button_table.attach (mouse_timefx_button, 1, 2, 1, 2);
2608         mouse_mode_button_table.attach (mouse_audition_button, 2, 3, 1, 2);
2609
2610         mouse_mode_tearoff = manage (new TearOff (mouse_mode_button_table));
2611         mouse_mode_tearoff->set_name ("MouseModeBase");
2612
2613         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2614                                                   &mouse_mode_tearoff->tearoff_window()));
2615         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2616                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2617         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2618                                                   &mouse_mode_tearoff->tearoff_window()));
2619         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2620                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2621
2622         mouse_move_button.set_name ("MouseModeButton");
2623         mouse_select_button.set_name ("MouseModeButton");
2624         mouse_gain_button.set_name ("MouseModeButton");
2625         mouse_zoom_button.set_name ("MouseModeButton");
2626         mouse_timefx_button.set_name ("MouseModeButton");
2627         mouse_audition_button.set_name ("MouseModeButton");
2628
2629         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("select/move objects"));
2630         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("select/move ranges"));
2631         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("draw gain automation"));
2632         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("select zoom range"));
2633         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("stretch/shrink regions"));
2634         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("listen to specific regions"));
2635
2636         mouse_move_button.unset_flags (CAN_FOCUS);
2637         mouse_select_button.unset_flags (CAN_FOCUS);
2638         mouse_gain_button.unset_flags (CAN_FOCUS);
2639         mouse_zoom_button.unset_flags (CAN_FOCUS);
2640         mouse_timefx_button.unset_flags (CAN_FOCUS);
2641         mouse_audition_button.unset_flags (CAN_FOCUS);
2642
2643         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2644         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2645
2646         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2647         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2648         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2649         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2650         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2651
2652         // mouse_move_button.set_active (true);
2653
2654         /* automation control */
2655
2656         global_automation_button.set_name ("MouseModeButton");
2657         automation_mode_button.set_name ("MouseModeButton");
2658
2659         automation_box.set_spacing (2);
2660         automation_box.set_border_width (2);
2661         automation_box.pack_start (global_automation_button, false, false);
2662         automation_box.pack_start (automation_mode_button, false, false);
2663
2664         /* Edit mode */
2665
2666         edit_mode_label.set_name ("ToolBarLabel");
2667
2668         edit_mode_selector.set_name ("EditModeSelector");
2669
2670         edit_mode_box.set_spacing (3);
2671         edit_mode_box.set_border_width (3);
2672
2673         /* XXX another disgusting hack because of the way combo boxes size themselves */
2674
2675         const guint32 FUDGE = 20; // Combo's are stupid - they steal space from the entry for the button
2676         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, "EdgtMode", 2+FUDGE, 10);
2677         set_popdown_strings (edit_mode_selector, internationalize (edit_mode_strings));
2678         edit_mode_box.pack_start (edit_mode_label, false, false);
2679         edit_mode_box.pack_start (edit_mode_selector, false, false);
2680
2681         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2682
2683         /* Snap Type */
2684
2685         snap_type_label.set_name ("ToolBarLabel");
2686
2687         snap_type_selector.set_name ("SnapTypeSelector");
2688
2689         snap_type_box.set_spacing (3);
2690         snap_type_box.set_border_width (3);
2691
2692         /* XXX another disgusting hack because of the way combo boxes size themselves */
2693
2694         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, "SMPTE Seconds", 2+FUDGE, 10);
2695         set_popdown_strings (snap_type_selector, internationalize (snap_type_strings));
2696
2697         snap_type_box.pack_start (snap_type_label, false, false);
2698         snap_type_box.pack_start (snap_type_selector, false, false);
2699
2700         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2701
2702         /* Snap mode, not snap type */
2703
2704         snap_mode_label.set_name ("ToolBarLabel");
2705
2706         snap_mode_selector.set_name ("SnapModeSelector");
2707         
2708         snap_mode_box.set_spacing (3);
2709         snap_mode_box.set_border_width (3);
2710
2711         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, "SngpMode", 2+FUDGE, 10);
2712         set_popdown_strings (snap_mode_selector, internationalize (snap_mode_strings));
2713
2714         snap_mode_box.pack_start (snap_mode_label, false, false);
2715         snap_mode_box.pack_start (snap_mode_selector, false, false);
2716
2717         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2718
2719         /* Zoom focus mode */
2720
2721         zoom_focus_label.set_name ("ToolBarLabel");
2722
2723         zoom_focus_selector.set_name ("ZoomFocusSelector");
2724
2725         zoom_focus_box.set_spacing (3);
2726         zoom_focus_box.set_border_width (3);
2727
2728         /* XXX another disgusting hack because of the way combo boxes size themselves */
2729
2730         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, "Edgt Cursor", 2+FUDGE, 10);
2731         set_popdown_strings (zoom_focus_selector, internationalize (zoom_focus_strings));
2732
2733         zoom_focus_box.pack_start (zoom_focus_label, false, false);
2734         zoom_focus_box.pack_start (zoom_focus_selector, false, false);
2735
2736         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2737
2738         /* selection/cursor clocks */
2739
2740         toolbar_selection_cursor_label.set_name ("ToolBarLabel");
2741         selection_start_clock_label.set_name ("ToolBarLabel");
2742         selection_end_clock_label.set_name ("ToolBarLabel");
2743         edit_cursor_clock_label.set_name ("ToolBarLabel");
2744
2745         selection_start_clock_label.set_text (_("Start:"));
2746         selection_end_clock_label.set_text (_("End:"));
2747         edit_cursor_clock_label.set_text (_("Edit"));
2748
2749         /* the zoom in/out buttons are generally taller than the clocks, so
2750            put all the toolbar clocks into a size group with one of the 
2751            buttons to make them all equal height.
2752
2753            this also applies to the various toolbar combos
2754         */
2755
2756         RefPtr<SizeGroup> toolbar_clock_size_group = SizeGroup::create (SIZE_GROUP_VERTICAL);
2757         toolbar_clock_size_group->add_widget (zoom_out_button);
2758         toolbar_clock_size_group->add_widget (edit_cursor_clock);
2759         toolbar_clock_size_group->add_widget (zoom_range_clock);
2760         toolbar_clock_size_group->add_widget (nudge_clock);
2761         toolbar_clock_size_group->add_widget (edit_mode_selector);
2762         toolbar_clock_size_group->add_widget (snap_type_selector);
2763         toolbar_clock_size_group->add_widget (snap_mode_selector);
2764         toolbar_clock_size_group->add_widget (zoom_focus_selector);
2765
2766         HBox* edit_clock_hbox = manage (new HBox());
2767         VBox* edit_clock_vbox = manage (new VBox());
2768
2769         edit_clock_hbox->pack_start (edit_cursor_clock, false, false);
2770
2771         edit_clock_vbox->set_spacing (3);
2772         edit_clock_vbox->set_border_width (3);
2773         edit_clock_vbox->pack_start (edit_cursor_clock_label, false, false);
2774         edit_clock_vbox->pack_start (*edit_clock_hbox, false, false);
2775
2776         HBox* hbox = new HBox;
2777
2778         hbox->pack_start (*edit_clock_vbox, false, false);
2779         hbox->pack_start (zoom_indicator_vbox, false, false); 
2780         hbox->pack_start (zoom_focus_box, false, false);
2781         hbox->pack_start (snap_type_box, false, false);
2782         hbox->pack_start (snap_mode_box, false, false);
2783         hbox->pack_start (edit_mode_box, false, false);
2784
2785         VBox *vbox = manage (new VBox);
2786
2787         vbox->set_spacing (3);
2788         vbox->set_border_width (3);
2789
2790         HBox *nbox = manage (new HBox);
2791         
2792         nudge_forward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_forward), false));
2793         nudge_backward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_backward), false));
2794
2795         nbox->pack_start (nudge_backward_button, false, false);
2796         nbox->pack_start (nudge_forward_button, false, false);
2797         nbox->pack_start (nudge_clock, false, false, 5);
2798
2799         nudge_label.set_name ("ToolBarLabel");
2800
2801         vbox->pack_start (nudge_label, false, false);
2802         vbox->pack_start (*nbox, false, false);
2803
2804         hbox->pack_start (*vbox, false, false);
2805
2806         hbox->show_all ();
2807
2808         tools_tearoff = new TearOff (*hbox);
2809         tools_tearoff->set_name ("MouseModeBase");
2810
2811         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2812                                              &tools_tearoff->tearoff_window()));
2813         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2814                                              &tools_tearoff->tearoff_window(), 0));
2815         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2816                                              &tools_tearoff->tearoff_window()));
2817         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2818                                               &tools_tearoff->tearoff_window(), 0));
2819
2820         toolbar_hbox.set_spacing (8);
2821         toolbar_hbox.set_border_width (2);
2822
2823         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2824         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2825         
2826         toolbar_base.set_name ("ToolBarBase");
2827         toolbar_base.add (toolbar_hbox);
2828
2829         toolbar_frame.set_shadow_type (SHADOW_OUT);
2830         toolbar_frame.set_name ("BaseFrame");
2831         toolbar_frame.add (toolbar_base);
2832 }
2833
2834 int
2835 Editor::convert_drop_to_paths (vector<ustring>& paths, 
2836                                const RefPtr<Gdk::DragContext>& context,
2837                                gint                x,
2838                                gint                y,
2839                                const SelectionData& data,
2840                                guint               info,
2841                                guint               time)                               
2842
2843 {       
2844         if (session == 0) {
2845                 return -1;
2846         }
2847
2848         vector<ustring> uris = data.get_uris();
2849
2850         if (uris.empty()) {
2851                 
2852                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
2853                    are actually URI lists. So do it by hand.
2854                 */
2855
2856                 if (data.get_target() != "text/plain") {
2857                         return -1;
2858                 }
2859   
2860                 /* Parse the "uri-list" format that Nautilus provides, 
2861                    where each pathname is delimited by \r\n
2862                 */
2863         
2864                 const char* p = data.get_text().c_str();
2865                 const char* q;
2866
2867                 while (p)
2868                 {
2869                         if (*p != '#')
2870                         {
2871                                 while (g_ascii_isspace (*p))
2872                                         p++;
2873                                 
2874                                 q = p;
2875                                 while (*q && (*q != '\n') && (*q != '\r'))
2876                                         q++;
2877                                 
2878                                 if (q > p)
2879                                 {
2880                                         q--;
2881                                         while (q > p && g_ascii_isspace (*q))
2882                                                 q--;
2883                                         
2884                                         if (q > p)
2885                                         {
2886                                                 uris.push_back (ustring (p, q - p + 1));
2887                                         }
2888                                 }
2889                         }
2890                         p = strchr (p, '\n');
2891                         if (p)
2892                                 p++;
2893                 }
2894
2895                 if (uris.empty()) {
2896                         return -1;
2897                 }
2898         }
2899         
2900         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
2901                 if ((*i).substr (0,7) == "file://") {
2902                         string p = *i;
2903                         PBD::url_decode (p);
2904                         paths.push_back (p.substr (7));
2905                 }
2906         }
2907
2908         return 0;
2909 }
2910
2911 void
2912 Editor::new_tempo_section ()
2913
2914 {
2915 }
2916
2917 void
2918 Editor::map_transport_state ()
2919 {
2920         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
2921
2922         if (session->transport_stopped()) {
2923                 have_pending_keyboard_selection = false;
2924         }
2925 }
2926
2927 /* UNDO/REDO */
2928
2929 Editor::State::State ()
2930 {
2931         selection = new Selection;
2932 }
2933
2934 Editor::State::~State ()
2935 {
2936         delete selection;
2937 }
2938
2939 UndoAction
2940 Editor::get_memento () const
2941 {
2942         State *state = new State;
2943
2944         store_state (*state);
2945         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
2946 }
2947
2948 void
2949 Editor::store_state (State& state) const
2950 {
2951         *state.selection = *selection;
2952 }
2953
2954 void
2955 Editor::restore_state (State *state)
2956 {
2957         if (*selection == *state->selection) {
2958                 return;
2959         }
2960
2961         *selection = *state->selection;
2962         time_selection_changed ();
2963         region_selection_changed ();   
2964
2965         /* XXX other selection change handlers? */
2966 }
2967
2968 void
2969 Editor::begin_reversible_command (string name)
2970 {
2971         if (session) {
2972                 UndoAction ua = get_memento();
2973                 session->begin_reversible_command (name, &ua);
2974         }
2975 }
2976
2977 void
2978 Editor::commit_reversible_command ()
2979 {
2980         if (session) {
2981                 UndoAction ua = get_memento();
2982                 session->commit_reversible_command (&ua);
2983         }
2984 }
2985
2986 bool
2987 Editor::set_selected_track_from_click (bool press, Selection::Operation op, bool with_undo, bool no_remove)
2988 {
2989         bool commit = false;
2990
2991         if (!clicked_trackview) {
2992                 return false;
2993         }
2994
2995         switch (op) {
2996         case Selection::Toggle:
2997                 if (selection->selected (clicked_trackview)) {
2998                         if (!no_remove) {
2999                                 selection->remove (clicked_trackview);
3000                                 commit = true;
3001                         }
3002                 } else {
3003                         selection->add (clicked_trackview);
3004                         commit = false;
3005                 }
3006                 break;
3007
3008         case Selection::Set:
3009                 if (selection->selected (clicked_trackview) && selection->tracks.size() == 1) {
3010                         /* no commit necessary */
3011                 } 
3012
3013                 selection->set (clicked_trackview);
3014                 break;
3015                 
3016         case Selection::Extend:
3017                 /* not defined yet */
3018                 break;
3019         }
3020
3021         return commit;
3022 }
3023
3024 bool
3025 Editor::set_selected_control_point_from_click (bool press, Selection::Operation op, bool with_undo, bool no_remove)
3026 {
3027         if (!clicked_control_point) {
3028                 return false;
3029         }
3030
3031         /* select this point and any others that it represents */
3032
3033         double y1, y2;
3034         jack_nframes_t x1, x2;
3035
3036         x1 = pixel_to_frame (clicked_control_point->get_x() - 10);
3037         x2 = pixel_to_frame (clicked_control_point->get_x() + 10);
3038         y1 = clicked_control_point->get_x() - 10;
3039         y2 = clicked_control_point->get_y() + 10;
3040
3041         return select_all_within (x1, x2, y1, y2, op);
3042 }
3043
3044 void
3045 Editor::get_relevant_audio_tracks (AudioTimeAxisView& base, set<AudioTimeAxisView*>& relevant_tracks)
3046 {
3047         /* step one: get all selected tracks and all tracks in the relevant edit groups */
3048
3049         for (TrackSelection::iterator ti = selection->tracks.begin(); ti != selection->tracks.end(); ++ti) {
3050
3051                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*ti);
3052
3053                 if (!atv) {
3054                         continue;
3055                 }
3056
3057                 RouteGroup* group = atv->route()->edit_group();
3058
3059                 if (group && group->is_active()) {
3060                         
3061                         /* active group for this track, loop over all tracks and get every member of the group */
3062
3063                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3064                                 
3065                                 AudioTimeAxisView* tatv;
3066                                 
3067                                 if ((tatv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
3068                                         
3069                                         if (tatv->route()->edit_group() == group) {
3070                                                 relevant_tracks.insert (tatv);
3071                                         }
3072                                 }
3073                         }
3074
3075                 } else {
3076
3077                         /* no active group, or no group */
3078
3079                         relevant_tracks.insert (&base);
3080                 }
3081
3082         }
3083 }
3084
3085 void
3086 Editor::mapover_audio_tracks (slot<void,AudioTimeAxisView&,uint32_t> sl)
3087 {
3088         set<AudioTimeAxisView*> relevant_tracks;
3089
3090         if (!clicked_audio_trackview) {
3091                 return;
3092         }
3093
3094         get_relevant_audio_tracks (*clicked_audio_trackview, relevant_tracks);
3095
3096         uint32_t sz = relevant_tracks.size();
3097         
3098         for (set<AudioTimeAxisView*>::iterator ati = relevant_tracks.begin(); ati != relevant_tracks.end(); ++ati) {
3099                 sl (**ati, sz);
3100         }
3101 }
3102
3103 void
3104 Editor::mapped_set_selected_regionview_from_click (AudioTimeAxisView& atv, uint32_t ignored, 
3105                                                   AudioRegionView* basis, vector<AudioRegionView*>* all_equivs)
3106 {
3107         AudioPlaylist* pl;
3108         vector<AudioRegion*> results;
3109         AudioRegionView* marv;
3110         AudioDiskstream* ds;
3111
3112         if ((ds = atv.get_diskstream()) == 0) {
3113                 /* bus */
3114                 return;
3115         }
3116
3117         if (&atv == &basis->get_time_axis_view()) {
3118                 /* looking in same track as the original */
3119                 return;
3120         }
3121
3122         
3123         if ((pl = ds->playlist()) != 0) {
3124                 pl->get_equivalent_regions (basis->region, results);
3125         }
3126         
3127         for (vector<AudioRegion*>::iterator ir = results.begin(); ir != results.end(); ++ir) {
3128                 if ((marv = atv.view->find_view (**ir)) != 0) {
3129                         all_equivs->push_back (marv);
3130                 }
3131         }
3132 }
3133
3134 bool
3135 Editor::set_selected_regionview_from_click (bool press, Selection::Operation op, bool no_track_remove)
3136 {
3137         vector<AudioRegionView*> all_equivalent_regions;
3138         bool commit = false;
3139
3140         if (!clicked_regionview || !clicked_audio_trackview) {
3141                 return false;
3142         }
3143
3144         if (op == Selection::Toggle || op == Selection::Set) {
3145                 
3146                 mapover_audio_tracks (bind (mem_fun (*this, &Editor::mapped_set_selected_regionview_from_click), 
3147                                             clicked_regionview, &all_equivalent_regions));
3148                 
3149                 
3150                 /* add clicked regionview since we skipped all other regions in the same track as the one it was in */
3151                 
3152                 all_equivalent_regions.push_back (clicked_regionview);
3153                 
3154                 switch (op) {
3155                 case Selection::Toggle:
3156                         
3157                         if (clicked_regionview->get_selected()) {
3158                                 if (press) {
3159
3160                                         /* whatever was clicked was selected already; do nothing here but allow
3161                                            the button release to deselect it
3162                                         */
3163
3164                                         button_release_can_deselect = true;
3165
3166                                 } else {
3167
3168                                         if (button_release_can_deselect) {
3169
3170                                                 /* just remove this one region, but only on a permitted button release */
3171
3172                                                 selection->remove (clicked_regionview);
3173                                                 commit = true;
3174
3175                                                 /* no more deselect action on button release till a new press
3176                                                    finds an already selected object.
3177                                                 */
3178
3179                                                 button_release_can_deselect = false;
3180                                         }
3181                                 } 
3182
3183                         } else {
3184
3185                                 if (press) {
3186                                         /* add all the equivalent regions, but only on button press */
3187                                         
3188                                         if (!all_equivalent_regions.empty()) {
3189                                                 commit = true;
3190                                         }
3191                                         
3192                                         for (vector<AudioRegionView*>::iterator i = all_equivalent_regions.begin(); i != all_equivalent_regions.end(); ++i) {
3193                                                 selection->add (*i);
3194                                         }
3195                                 } 
3196                         }
3197                         break;
3198                         
3199                 case Selection::Set:
3200                         if (!clicked_regionview->get_selected()) {
3201                                 selection->set (all_equivalent_regions);
3202                                 commit = true;
3203                         } else {
3204                                 /* no commit necessary: clicked on an already selected region */
3205                                 goto out;
3206                         }
3207                         break;
3208
3209                 default:
3210                         /* silly compiler */
3211                         break;
3212                 }
3213
3214         } else if (op == Selection::Extend) {
3215
3216                 list<Selectable*> results;
3217                 jack_nframes_t last_frame;
3218                 jack_nframes_t first_frame;
3219
3220                 /* 1. find the last selected regionview in the track that was clicked in */
3221
3222                 last_frame = 0;
3223                 first_frame = max_frames;
3224
3225                 for (AudioRegionSelection::iterator x = selection->audio_regions.begin(); x != selection->audio_regions.end(); ++x) {
3226                         if (&(*x)->get_time_axis_view() == &clicked_regionview->get_time_axis_view()) {
3227
3228                                 if ((*x)->region.last_frame() > last_frame) {
3229                                         last_frame = (*x)->region.last_frame();
3230                                 }
3231
3232                                 if ((*x)->region.first_frame() < first_frame) {
3233                                         first_frame = (*x)->region.first_frame();
3234                                 }
3235                         }
3236                 }
3237
3238                 /* 2. figure out the boundaries for our search for new objects */
3239
3240                 switch (clicked_regionview->region.coverage (first_frame, last_frame)) {
3241                 case OverlapNone:
3242                         cerr << "no overlap, first = " << first_frame << " last = " << last_frame << " region = " 
3243                              << clicked_regionview->region.first_frame() << " .. " << clicked_regionview->region.last_frame() << endl;
3244
3245                         if (last_frame < clicked_regionview->region.first_frame()) {
3246                                 first_frame = last_frame;
3247                                 last_frame = clicked_regionview->region.last_frame();
3248                         } else {
3249                                 last_frame = first_frame;
3250                                 first_frame = clicked_regionview->region.first_frame();
3251                         }
3252                         break;
3253
3254                 case OverlapExternal:
3255                         cerr << "external overlap, first = " << first_frame << " last = " << last_frame << " region = " 
3256                              << clicked_regionview->region.first_frame() << " .. " << clicked_regionview->region.last_frame() << endl;
3257
3258                         if (last_frame < clicked_regionview->region.first_frame()) {
3259                                 first_frame = last_frame;
3260                                 last_frame = clicked_regionview->region.last_frame();
3261                         } else {
3262                                 last_frame = first_frame;
3263                                 first_frame = clicked_regionview->region.first_frame();
3264                         }
3265                         break;
3266
3267                 case OverlapInternal:
3268                         cerr << "internal overlap, first = " << first_frame << " last = " << last_frame << " region = " 
3269                              << clicked_regionview->region.first_frame() << " .. " << clicked_regionview->region.last_frame() << endl;
3270
3271                         if (last_frame < clicked_regionview->region.first_frame()) {
3272                                 first_frame = last_frame;
3273                                 last_frame = clicked_regionview->region.last_frame();
3274                         } else {
3275                                 last_frame = first_frame;
3276                                 first_frame = clicked_regionview->region.first_frame();
3277                         }
3278                         break;
3279
3280                 case OverlapStart:
3281                 case OverlapEnd:
3282                         /* nothing to do except add clicked region to selection, since it
3283                            overlaps with the existing selection in this track.
3284                         */
3285                         break;
3286                 }
3287
3288                 /* 2. find all selectable objects (regionviews in this case) between that one and the end of the
3289                       one that was clicked.
3290                 */
3291
3292                 set<AudioTimeAxisView*> relevant_tracks;
3293                 
3294                 get_relevant_audio_tracks (*clicked_audio_trackview, relevant_tracks);
3295                 
3296                 for (set<AudioTimeAxisView*>::iterator t = relevant_tracks.begin(); t != relevant_tracks.end(); ++t) {
3297                         (*t)->get_selectables (first_frame, last_frame, -1.0, -1.0, results);
3298                 }
3299                 
3300                 /* 3. convert to a vector of audio regions */
3301
3302                 vector<AudioRegionView*> audio_regions;
3303                 
3304                 for (list<Selectable*>::iterator x = results.begin(); x != results.end(); ++x) {
3305                         AudioRegionView* arv;
3306
3307                         if ((arv = dynamic_cast<AudioRegionView*>(*x)) != 0) {
3308                                 audio_regions.push_back (arv);
3309                         }
3310                 }
3311
3312                 if (!audio_regions.empty()) {
3313                         selection->add (audio_regions);
3314                         commit = true;
3315                 }
3316         }
3317
3318   out:
3319         return commit;
3320 }
3321
3322 void
3323 Editor::set_selected_regionview_from_region_list (Region& r, Selection::Operation op)
3324 {
3325         vector<AudioRegionView*> all_equivalent_regions;
3326         AudioRegion* region;
3327
3328         if ((region = dynamic_cast<AudioRegion*>(&r)) == 0) {
3329                 return;
3330         }
3331
3332         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3333                 
3334                 AudioTimeAxisView* tatv;
3335                 
3336                 if ((tatv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
3337                         
3338                         AudioPlaylist* pl;
3339                         vector<AudioRegion*> results;
3340                         AudioRegionView* marv;
3341                         AudioDiskstream* ds;
3342                         
3343                         if ((ds = tatv->get_diskstream()) == 0) {
3344                                 /* bus */
3345                                 continue;
3346                         }
3347
3348                         if ((pl = ds->playlist()) != 0) {
3349                                 pl->get_region_list_equivalent_regions (*region, results);
3350                         }
3351                         
3352                         for (vector<AudioRegion*>::iterator ir = results.begin(); ir != results.end(); ++ir) {
3353                                 if ((marv = tatv->view->find_view (**ir)) != 0) {
3354                                         all_equivalent_regions.push_back (marv);
3355                                 }
3356                         }
3357                         
3358                 }
3359         }
3360         
3361         begin_reversible_command (_("set selected regions"));
3362         
3363         switch (op) {
3364         case Selection::Toggle:
3365                 /* XXX this is not correct */
3366                 selection->toggle (all_equivalent_regions);
3367                 break;
3368         case Selection::Set:
3369                 selection->set (all_equivalent_regions);
3370                 break;
3371         case Selection::Extend:
3372                 selection->add (all_equivalent_regions);
3373                 break;
3374         }
3375
3376         commit_reversible_command () ;
3377 }
3378
3379 bool
3380 Editor::set_selected_regionview_from_map_event (GdkEventAny* ev, StreamView* sv, Region* r)
3381 {
3382         AudioRegionView* rv;
3383         AudioRegion* ar;
3384
3385         if ((ar = dynamic_cast<AudioRegion*> (r)) == 0) {
3386                 return TRUE;
3387         }
3388
3389         if ((rv = sv->find_view (*ar)) == 0) {
3390                 return TRUE;
3391         }
3392
3393         /* don't reset the selection if its something other than 
3394            a single other region.
3395         */
3396
3397         if (selection->audio_regions.size() > 1) {
3398                 return TRUE;
3399         }
3400         
3401         begin_reversible_command (_("set selected regions"));
3402         
3403         selection->set (rv);
3404
3405         commit_reversible_command () ;
3406
3407         return TRUE;
3408 }
3409
3410 void
3411 Editor::set_edit_group_solo (Route& route, bool yn)
3412 {
3413         RouteGroup *edit_group;
3414
3415         if ((edit_group = route.edit_group()) != 0) {
3416                 edit_group->apply (&Route::set_solo, yn, this);
3417         } else {
3418                 route.set_solo (yn, this);
3419         }
3420 }
3421
3422 void
3423 Editor::set_edit_group_mute (Route& route, bool yn)
3424 {
3425         RouteGroup *edit_group = 0;
3426
3427         if ((edit_group == route.edit_group()) != 0) {
3428                 edit_group->apply (&Route::set_mute, yn, this);
3429         } else {
3430                 route.set_mute (yn, this);
3431         }
3432 }
3433                 
3434 void
3435 Editor::set_edit_menu (Menu& menu)
3436 {
3437         edit_menu = &menu;
3438         edit_menu->signal_map_event().connect (mem_fun(*this, &Editor::edit_menu_map_handler));
3439 }
3440
3441 bool
3442 Editor::edit_menu_map_handler (GdkEventAny* ev)
3443 {
3444         using namespace Menu_Helpers;
3445         MenuList& edit_items = edit_menu->items();
3446         string label;
3447
3448         /* Nuke all the old items */
3449                 
3450         edit_items.clear ();
3451
3452         if (session == 0) {
3453                 return false;
3454         }
3455
3456         if (session->undo_depth() == 0) {
3457                 label = _("Undo");
3458         } else {
3459                 label = string_compose(_("Undo (%1)"), session->next_undo());
3460         }
3461         
3462         edit_items.push_back (MenuElem (label, bind (mem_fun(*this, &Editor::undo), 1U)));
3463         
3464         if (session->undo_depth() == 0) {
3465                 edit_items.back().set_sensitive (false);
3466         }
3467         
3468         if (session->redo_depth() == 0) {
3469                 label = _("Redo");
3470         } else {
3471                 label = string_compose(_("Redo (%1)"), session->next_redo());
3472         }
3473         
3474         edit_items.push_back (MenuElem (label, bind (mem_fun(*this, &Editor::redo), 1U)));
3475         if (session->redo_depth() == 0) {
3476                 edit_items.back().set_sensitive (false);
3477         }
3478
3479         vector<MenuItem*> mitems;
3480
3481         edit_items.push_back (SeparatorElem());
3482         edit_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
3483         mitems.push_back (&edit_items.back());
3484         edit_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
3485         mitems.push_back (&edit_items.back());
3486         edit_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
3487         mitems.push_back (&edit_items.back());
3488         edit_items.push_back (SeparatorElem());
3489         edit_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
3490         mitems.push_back (&edit_items.back());
3491         edit_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
3492         mitems.push_back (&edit_items.back());
3493         edit_items.push_back (SeparatorElem());
3494
3495         if (selection->empty()) {
3496                 for (vector<MenuItem*>::iterator i = mitems.begin(); i != mitems.end(); ++i) {
3497                         (*i)->set_sensitive (false);
3498                 }
3499         }
3500
3501         Menu* import_menu = manage (new Menu());
3502         import_menu->set_name ("ArdourContextMenu");
3503         MenuList& import_items = import_menu->items();
3504         
3505         import_items.push_back (MenuElem (_("... as new track"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportAsTrack)));
3506         import_items.push_back (MenuElem (_("... as new region"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportAsRegion)));
3507
3508         edit_items.push_back (MenuElem (_("Import audio (copy)"), *import_menu));
3509         edit_items.push_back (SeparatorElem());
3510
3511         edit_items.push_back (MenuElem (_("Remove last capture"), mem_fun(*this, &Editor::remove_last_capture)));
3512
3513         if (!session->have_captured()) {
3514                 edit_items.back().set_sensitive (false);
3515         }
3516
3517         return false;
3518 }
3519
3520 void
3521 Editor::duplicate_dialog (bool dup_region)
3522 {
3523         if (dup_region) {
3524                 if (clicked_regionview == 0) {
3525                         return;
3526                 }
3527         } else {
3528                 if (selection->time.length() == 0) {
3529                         return;
3530                 }
3531         }
3532
3533         ArdourDialog win ("duplicate dialog");
3534         Entry  entry;
3535         Label  label (_("Duplicate how many times?"));
3536
3537         win.get_vbox()->pack_start (label);
3538         win.add_action_widget (entry, RESPONSE_ACCEPT);
3539         win.add_button (Stock::OK, RESPONSE_ACCEPT);
3540         win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3541
3542         win.set_position (WIN_POS_MOUSE);
3543
3544         entry.set_text ("1");
3545         set_size_request_to_display_given_text (entry, X_("12345678"), 20, 15);
3546         entry.select_region (0, entry.get_text_length());
3547         entry.grab_focus ();
3548
3549
3550         switch (win.run ()) {
3551         case RESPONSE_ACCEPT:
3552                 break;
3553         default:
3554                 return;
3555         }
3556
3557         string text = entry.get_text();
3558         float times;
3559
3560         if (sscanf (text.c_str(), "%f", &times) == 1) {
3561                 if (dup_region) {
3562                         AudioRegionSelection regions;
3563                         regions.add (clicked_regionview);
3564                         duplicate_some_regions (regions, times);
3565                 } else {
3566                         duplicate_selection (times);
3567                 }
3568         }
3569 }
3570
3571 void
3572 Editor::show_verbose_canvas_cursor ()
3573 {
3574         verbose_canvas_cursor->raise_to_top();
3575         verbose_canvas_cursor->show();
3576         verbose_cursor_visible = true;
3577 }
3578
3579 void
3580 Editor::hide_verbose_canvas_cursor ()
3581 {
3582         verbose_canvas_cursor->hide();
3583         verbose_cursor_visible = false;
3584 }
3585
3586 void
3587 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3588 {
3589         /* XXX get origin of canvas relative to root window,
3590            add x and y and check compared to gdk_screen_{width,height}
3591         */
3592         verbose_canvas_cursor->property_text() = txt.c_str();
3593         verbose_canvas_cursor->property_x() = x;
3594         verbose_canvas_cursor->property_y() = y;
3595 }
3596
3597 void
3598 Editor::set_verbose_canvas_cursor_text (const string & txt)
3599 {
3600         verbose_canvas_cursor->property_text() = txt.c_str();
3601 }
3602
3603 void
3604 Editor::edit_mode_selection_done ()
3605 {
3606         if (session == 0) {
3607                 return;
3608         }
3609
3610         string choice = edit_mode_selector.get_active_text();
3611         EditMode mode = Slide;
3612
3613         if (choice == _("Splice")) {
3614                 mode = Splice;
3615         } else if (choice == _("Slide")) {
3616                 mode = Slide;
3617         }
3618
3619         session->set_edit_mode (mode);
3620 }       
3621
3622 void
3623 Editor::snap_type_selection_done ()
3624 {
3625         if (session == 0) {
3626                 return;
3627         }
3628
3629         string choice = snap_type_selector.get_active_text();
3630         SnapType snaptype = SnapToFrame;
3631         
3632         if (choice == _("Beats/3")) {
3633                 snaptype = SnapToAThirdBeat;
3634         } else if (choice == _("Beats/4")) {
3635                 snaptype = SnapToAQuarterBeat;
3636         } else if (choice == _("Beats/8")) {
3637                 snaptype = SnapToAEighthBeat;
3638         } else if (choice == _("Beats/16")) {
3639                 snaptype = SnapToASixteenthBeat;
3640         } else if (choice == _("Beats/32")) {
3641                 snaptype = SnapToAThirtysecondBeat;
3642         } else if (choice == _("Beats")) {
3643                 snaptype = SnapToBeat;
3644         } else if (choice == _("Bars")) {
3645                 snaptype = SnapToBar;
3646         } else if (choice == _("Marks")) {
3647                 snaptype = SnapToMark;
3648         } else if (choice == _("Edit Cursor")) {
3649                 snaptype = SnapToEditCursor;
3650         } else if (choice == _("Region starts")) {
3651                 snaptype = SnapToRegionStart;
3652         } else if (choice == _("Region ends")) {
3653                 snaptype = SnapToRegionEnd;
3654         } else if (choice == _("Region bounds")) {
3655                 snaptype = SnapToRegionBoundary;
3656         } else if (choice == _("Region syncs")) {
3657                 snaptype = SnapToRegionSync;
3658         } else if (choice == _("CD Frames")) {
3659                 snaptype = SnapToCDFrame;
3660         } else if (choice == _("SMPTE Frames")) {
3661                 snaptype = SnapToSMPTEFrame;
3662         } else if (choice == _("SMPTE Seconds")) {
3663                 snaptype = SnapToSMPTESeconds;
3664         } else if (choice == _("SMPTE Minutes")) {
3665                 snaptype = SnapToSMPTEMinutes;
3666         } else if (choice == _("Seconds")) {
3667                 snaptype = SnapToSeconds;
3668         } else if (choice == _("Minutes")) {
3669                 snaptype = SnapToMinutes;
3670         } else if (choice == _("None")) {
3671                 snaptype = SnapToFrame;
3672         }
3673         
3674         set_snap_to (snaptype);
3675 }       
3676
3677 void
3678 Editor::snap_mode_selection_done ()
3679 {
3680         if(session == 0) {
3681                 return;
3682         }
3683
3684         string choice = snap_mode_selector.get_active_text();
3685         SnapMode mode = SnapNormal;
3686
3687         if (choice == _("Normal")) {
3688                 mode = SnapNormal;
3689         } else if (choice == _("Magnetic")) {
3690                 mode = SnapMagnetic;
3691         }
3692
3693         set_snap_mode (mode);
3694 }
3695
3696 void
3697 Editor::zoom_focus_selection_done ()
3698 {
3699         if (session == 0) {
3700                 return;
3701         }
3702
3703         string choice = zoom_focus_selector.get_active_text();
3704         ZoomFocus focus_type = ZoomFocusLeft;
3705
3706         if (choice == _("Left")) {
3707                 focus_type = ZoomFocusLeft;
3708         } else if (choice == _("Right")) {
3709                 focus_type = ZoomFocusRight;
3710         } else if (choice == _("Center")) {
3711                 focus_type = ZoomFocusCenter;
3712         } else if (choice == _("Playhead")) {
3713                 focus_type = ZoomFocusPlayhead;
3714         } else if (choice == _("Edit Cursor")) {
3715                 focus_type = ZoomFocusEdit;
3716         } 
3717
3718         set_zoom_focus (focus_type);
3719 }       
3720
3721 gint
3722 Editor::edit_controls_button_release (GdkEventButton* ev)
3723 {
3724         if (Keyboard::is_context_menu_event (ev)) {
3725                 ARDOUR_UI::instance()->add_route ();
3726         }
3727         return TRUE;
3728 }
3729
3730 void
3731 Editor::track_selection_changed ()
3732 {
3733         switch (selection->tracks.size()){
3734         case 0:
3735                 break;
3736         default:
3737                 set_selected_mixer_strip (*(selection->tracks.front()));
3738                 break;
3739         }
3740
3741         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3742                 (*i)->set_selected (false);
3743                 if (mouse_mode == MouseRange) {
3744                         (*i)->hide_selection ();
3745                 }
3746         }
3747
3748         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3749                 (*i)->set_selected (true);
3750                 if (mouse_mode == MouseRange) {
3751                         (*i)->show_selection (selection->time);
3752                 }
3753         }
3754 }
3755
3756 void
3757 Editor::time_selection_changed ()
3758 {
3759         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3760                 (*i)->hide_selection ();
3761         }
3762
3763         if (selection->tracks.empty()) {
3764                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3765                         (*i)->show_selection (selection->time);
3766                 }
3767         } else {
3768                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3769                         (*i)->show_selection (selection->time);
3770                 }
3771         }
3772
3773         if (selection->time.empty()) {
3774                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, false);
3775         } else {
3776                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, true);
3777         }
3778 }
3779
3780 void
3781 Editor::region_selection_changed ()
3782 {
3783         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3784                 (*i)->set_selected_regionviews (selection->audio_regions);
3785         }
3786 }
3787
3788 void
3789 Editor::point_selection_changed ()
3790 {
3791         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3792                 (*i)->set_selected_points (selection->points);
3793         }
3794 }
3795
3796 gint
3797 Editor::mouse_select_button_release (GdkEventButton* ev)
3798 {
3799         /* this handles just right-clicks */
3800
3801         if (ev->button != 3) {
3802                 return FALSE;
3803         }
3804
3805         return TRUE;
3806 }
3807
3808 Editor::TrackViewList *
3809 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3810 {
3811         TrackViewList *v;
3812         TrackViewList::iterator i;
3813
3814         v = new TrackViewList;
3815
3816         if (track == 0 && group == 0) {
3817
3818                 /* all views */
3819
3820                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3821                         v->push_back (*i);
3822                 }
3823
3824         } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
3825                 
3826                 /* just the view for this track
3827                  */
3828
3829                 v->push_back (track);
3830
3831         } else {
3832                 
3833                 /* views for all tracks in the edit group */
3834                 
3835                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3836
3837                         if (group == 0 || (*i)->edit_group() == group) {
3838                                 v->push_back (*i);
3839                         }
3840                 }
3841         }
3842         
3843         return v;
3844 }
3845
3846 void
3847 Editor::set_zoom_focus (ZoomFocus f)
3848 {
3849         if (zoom_focus != f) {
3850                 zoom_focus = f;
3851                 vector<string> txt = internationalize (zoom_focus_strings);
3852                 zoom_focus_selector.set_active_text (txt[(int)f]);
3853                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3854
3855                 instant_save ();
3856         }
3857 }
3858
3859 void
3860 Editor::ensure_float (Window& win)
3861 {
3862         win.set_transient_for (*this);
3863 }
3864
3865 void 
3866 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3867 {
3868         /* recover or initialize pane positions. do this here rather than earlier because
3869            we don't want the positions to change the child allocations, which they seem to do.
3870          */
3871
3872         int pos;
3873         XMLProperty* prop;
3874         char buf[32];
3875         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3876         int width, height;
3877         static int32_t done;
3878         XMLNode* geometry;
3879
3880         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3881                 width = default_width;
3882                 height = default_height;
3883         } else {
3884                 width = atoi(geometry->property("x_size")->value());
3885                 height = atoi(geometry->property("y_size")->value());
3886         }
3887
3888         if (which == static_cast<Paned*> (&edit_pane)) {
3889
3890                 if (done) {
3891                         return;
3892                 }
3893
3894                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3895                         /* initial allocation is 90% to canvas, 10% to notebook */
3896                         pos = (int) floor (alloc.get_width() * 0.90f);
3897                         snprintf (buf, sizeof(buf), "%d", pos);
3898                 } else {
3899                         pos = atoi (prop->value());
3900                 }
3901                 
3902                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3903                         edit_pane.set_position (pos);
3904                         pre_maximal_pane_position = pos;
3905                 }
3906         }
3907 }
3908
3909 void
3910 Editor::detach_tearoff (Box* b, Window* w)
3911 {
3912         if (tools_tearoff->torn_off() && 
3913             mouse_mode_tearoff->torn_off()) {
3914                 top_hbox.remove (toolbar_frame);
3915         }
3916 }
3917
3918 void
3919 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3920 {
3921         if (toolbar_frame.get_parent() == 0) {
3922                 top_hbox.pack_end (toolbar_frame);
3923         }
3924 }
3925
3926 void
3927 Editor::set_show_measures (bool yn)
3928 {
3929         if (_show_measures != yn) {
3930                 hide_measures ();
3931
3932                 if ((_show_measures = yn) == true) {
3933                         draw_measures ();
3934                 }
3935                 DisplayControlChanged (ShowMeasures);
3936                 instant_save ();
3937         }
3938 }
3939
3940 void
3941 Editor::toggle_follow_playhead ()
3942 {
3943         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3944         if (act) {
3945                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3946                 set_follow_playhead (tact->get_active());
3947         }
3948 }
3949
3950 void
3951 Editor::set_follow_playhead (bool yn)
3952 {
3953         if (_follow_playhead != yn) {
3954                 if ((_follow_playhead = yn) == true) {
3955                         /* catch up */
3956                         update_current_screen ();
3957                 }
3958                 DisplayControlChanged (FollowPlayhead);
3959                 instant_save ();
3960         }
3961 }
3962
3963 void
3964 Editor::toggle_xfade_active (Crossfade* xfade)
3965 {
3966         xfade->set_active (!xfade->active());
3967 }
3968
3969 void
3970 Editor::toggle_xfade_length (Crossfade* xfade)
3971 {
3972         xfade->set_follow_overlap (!xfade->following_overlap());
3973 }
3974
3975 void
3976 Editor::edit_xfade (Crossfade* xfade)
3977 {
3978         CrossfadeEditor cew (*session, *xfade, xfade->fade_in().get_min_y(), 1.0);
3979                 
3980         ensure_float (cew);
3981         
3982         switch (cew.run ()) {
3983         case RESPONSE_ACCEPT:
3984                 break;
3985         default:
3986                 return;
3987         }
3988         
3989         cew.apply ();
3990         xfade->StateChanged (Change (~0));
3991 }
3992
3993 PlaylistSelector&
3994 Editor::playlist_selector () const
3995 {
3996         return *_playlist_selector;
3997 }
3998
3999 jack_nframes_t
4000 Editor::get_nudge_distance (jack_nframes_t pos, jack_nframes_t& next)
4001 {
4002         jack_nframes_t ret;
4003
4004         ret = nudge_clock.current_duration (pos);
4005         next = ret + 1; /* XXXX fix me */
4006
4007         return ret;
4008 }
4009
4010 void
4011 Editor::end_location_changed (Location* location)
4012 {
4013         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
4014         reset_scrolling_region ();
4015 }
4016
4017 int
4018 Editor::playlist_deletion_dialog (Playlist* pl)
4019 {
4020         ArdourDialog dialog ("playlist deletion dialog");
4021         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
4022                                  "If left alone, no audio files used by it will be cleaned.\n"
4023                                  "If deleted, audio files used by it alone by will cleaned."),
4024                                pl->name()));
4025
4026         dialog.set_position (WIN_POS_CENTER);
4027         dialog.get_vbox()->pack_start (label);
4028
4029         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
4030         dialog.add_button (_("Keep playlist"), RESPONSE_CANCEL);
4031         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
4032
4033         switch (dialog.run ()) {
4034         case RESPONSE_ACCEPT:
4035                 /* delete the playlist */
4036                 return 0;
4037                 break;
4038
4039         case RESPONSE_REJECT:
4040                 /* keep the playlist */
4041                 return 1;
4042                 break;
4043
4044         default:
4045                 break;
4046         }
4047
4048         return -1;
4049 }
4050
4051 bool
4052 Editor::audio_region_selection_covers (jack_nframes_t where)
4053 {
4054         for (AudioRegionSelection::iterator a = selection->audio_regions.begin(); a != selection->audio_regions.end(); ++a) {
4055                 if ((*a)->region.covers (where)) {
4056                         return true;
4057                 }
4058         }
4059
4060         return false;
4061 }
4062
4063 void
4064 Editor::prepare_for_cleanup ()
4065 {
4066         cut_buffer->clear_audio_regions ();
4067         cut_buffer->clear_playlists ();
4068
4069         selection->clear_audio_regions ();
4070         selection->clear_playlists ();
4071 }
4072
4073 Location*
4074 Editor::transport_loop_location()
4075 {
4076         if (session) {
4077                 return session->locations()->auto_loop_location();
4078         } else {
4079                 return 0;
4080         }
4081 }
4082
4083 Location*
4084 Editor::transport_punch_location()
4085 {
4086         if (session) {
4087                 return session->locations()->auto_punch_location();
4088         } else {
4089                 return 0;
4090         }
4091 }
4092
4093 bool
4094 Editor::control_layout_scroll (GdkEventScroll* ev)
4095 {
4096         switch (ev->direction) {
4097         case GDK_SCROLL_UP:
4098                 scroll_tracks_up_line ();
4099                 return true;
4100                 break;
4101
4102         case GDK_SCROLL_DOWN:
4103                 scroll_tracks_down_line ();
4104                 return true;
4105                 
4106         default:
4107                 /* no left/right handling yet */
4108                 break;
4109         }
4110
4111         return false;
4112 }
4113
4114 void
4115 Editor::snapshot_display_selection_changed ()
4116 {
4117         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
4118
4119                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
4120                 
4121                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
4122
4123                 if (snap_name.length() == 0) {
4124                         return;
4125                 }
4126                 
4127                 if (session->snap_name() == snap_name) {
4128                         return;
4129                 }
4130                 
4131                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
4132         }
4133 }
4134
4135 bool
4136 Editor::snapshot_display_button_press (GdkEventButton* ev)
4137 {
4138          return false;
4139 }
4140
4141 void
4142 Editor::redisplay_snapshots ()
4143 {
4144         if (session == 0) {
4145                 return;
4146         }
4147
4148         vector<string*>* states;
4149
4150         if ((states = session->possible_states()) == 0) {
4151                 return;
4152         }
4153
4154         snapshot_display_model->clear ();
4155
4156         for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
4157                 string statename = *(*i);
4158                 TreeModel::Row row = *(snapshot_display_model->append());
4159                 row[snapshot_display_columns.visible_name] = statename;
4160                 row[snapshot_display_columns.real_name] = statename;
4161         }
4162
4163         delete states;
4164 }
4165
4166 void
4167 Editor::session_state_saved (string snap_name)
4168 {
4169         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
4170         redisplay_snapshots ();
4171 }
4172
4173 void
4174 Editor::maximise_editing_space ()
4175 {
4176         mouse_mode_tearoff->set_visible (false);
4177         tools_tearoff->set_visible (false);
4178
4179         pre_maximal_pane_position = edit_pane.get_position();
4180         edit_pane.set_position (edit_pane.get_width());
4181
4182         fullscreen();
4183 }
4184
4185 void
4186 Editor::restore_editing_space ()
4187 {
4188         mouse_mode_tearoff->set_visible (true);
4189         tools_tearoff->set_visible (true);
4190         edit_pane.set_position (pre_maximal_pane_position);
4191
4192         unfullscreen();
4193 }
4194
4195 void 
4196 Editor::new_playlists ()
4197 {
4198         begin_reversible_command (_("new playlists"));
4199         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist));
4200         commit_reversible_command ();
4201 }
4202
4203 void
4204 Editor::copy_playlists ()
4205 {
4206         begin_reversible_command (_("copy playlists"));
4207         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist));
4208         commit_reversible_command ();
4209 }
4210
4211 void 
4212 Editor::clear_playlists ()
4213 {
4214         begin_reversible_command (_("clear playlists"));
4215         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_clear_playlist));
4216         commit_reversible_command ();
4217 }
4218
4219 void 
4220 Editor::mapped_use_new_playlist (AudioTimeAxisView& atv, uint32_t sz)
4221 {
4222         atv.use_new_playlist (sz > 1 ? false : true);
4223 }
4224
4225 void
4226 Editor::mapped_use_copy_playlist (AudioTimeAxisView& atv, uint32_t sz)
4227 {
4228         atv.use_copy_playlist (sz > 1 ? false : true);
4229 }
4230
4231 void 
4232 Editor::mapped_clear_playlist (AudioTimeAxisView& atv, uint32_t sz)
4233 {
4234         atv.clear_playlist ();
4235 }
4236
4237 bool
4238 Editor::on_key_press_event (GdkEventKey* ev)
4239 {
4240         return key_press_focus_accelerator_handler (*this, ev);
4241 }
4242
4243 void
4244 Editor::update_layering_model ()
4245 {
4246         RefPtr<Action> act;
4247
4248         switch (session->get_layer_model()) {
4249         case Session::LaterHigher:
4250                 act = ActionManager::get_action (X_("Editor"), X_("LayerLaterHigher"));
4251                 break;
4252         case Session::MoveAddHigher:
4253                 act = ActionManager::get_action (X_("Editor"), X_("LayerMoveAddHigher"));
4254                 break;
4255         case Session::AddHigher:
4256                 act = ActionManager::get_action (X_("Editor"), X_("LayerAddHigher"));
4257                 break;
4258         }
4259
4260         if (act) {
4261                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
4262                 if (ract && !ract->get_active()) {
4263                         ract->set_active (true);
4264                 }
4265         }
4266 }
4267
4268
4269 void
4270 Editor::update_crossfade_model ()
4271 {
4272         RefPtr<Action> act;
4273
4274         switch (session->get_xfade_model()) {
4275         case FullCrossfade:
4276                 act = ActionManager::get_action (X_("Editor"), X_("CrossfadesFull"));
4277                 break;
4278         case ShortCrossfade:
4279                 act = ActionManager::get_action (X_("Editor"), X_("CrossfadesShort"));
4280                 break;
4281         }
4282
4283         if (act) {
4284                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
4285                 if (ract && !ract->get_active()) {
4286                         ract->set_active (true);
4287                 }
4288         }
4289 }
4290