** requires svn jack ** Hardware monitoring should work, some canvas scrolling speed...
[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 #include <pbd/memento_command.h>
32
33 #include <gtkmm/image.h>
34 #include <gdkmm/color.h>
35 #include <gdkmm/bitmap.h>
36
37 #include <gtkmm2ext/gtk_ui.h>
38 #include <gtkmm2ext/tearoff.h>
39 #include <gtkmm2ext/utils.h>
40
41 #include <ardour/audio_track.h>
42 #include <ardour/audio_diskstream.h>
43 #include <ardour/plugin_manager.h>
44 #include <ardour/location.h>
45 #include <ardour/audioplaylist.h>
46 #include <ardour/audioregion.h>
47 #include <ardour/region.h>
48 #include <ardour/session_route.h>
49 #include <ardour/tempo.h>
50 #include <ardour/utils.h>
51
52 #include <control_protocol/control_protocol.h>
53
54 #include "ardour_ui.h"
55 #include "editor.h"
56 #include "grouped_buttons.h"
57 #include "keyboard.h"
58 #include "marker.h"
59 #include "playlist_selector.h"
60 #include "audio_region_view.h"
61 #include "rgb_macros.h"
62 #include "selection.h"
63 #include "audio_streamview.h"
64 #include "time_axis_view.h"
65 #include "utils.h"
66 #include "crossfade_view.h"
67 #include "editing.h"
68 #include "public_editor.h"
69 #include "crossfade_edit.h"
70 #include "audio_time_axis.h"
71 #include "canvas_impl.h"
72 #include "actions.h"
73 #include "gui_thread.h"
74
75 #ifdef FFT_ANALYSIS
76 #include "analysis_window.h"
77 #endif
78
79 #include "i18n.h"
80
81 /* <CMT Additions> */
82 #include "imageframe_socket_handler.h"
83 /* </CMT Additions> */
84
85 using namespace std;
86 using namespace sigc;
87 using namespace ARDOUR;
88 using namespace PBD;
89 using namespace Gtk;
90 using namespace Glib;
91 using namespace Gtkmm2ext;
92 using namespace Editing;
93
94 using PBD::internationalize;
95 using PBD::atoi;
96
97 const double Editor::timebar_height = 15.0;
98
99 #include "editor_xpms"
100
101 static const int32_t slide_index = 0;
102 static const int32_t splice_index = 1;
103
104 static const gchar *edit_mode_strings[] = {
105         N_("Slide Edit"),
106         N_("Splice Edit"),
107         0
108 };
109
110 static const gchar *snap_type_strings[] = {
111         N_("None"),
112         N_("CD Frames"),
113         N_("SMPTE Frames"),
114         N_("SMPTE Seconds"),
115         N_("SMPTE Minutes"),
116         N_("Seconds"),
117         N_("Minutes"),
118         N_("Beats/32"),
119         N_("Beats/16"),
120         N_("Beats/8"),
121         N_("Beats/4"),
122         N_("Beats/3"),
123         N_("Beats"),
124         N_("Bars"),
125         N_("Marks"),
126         N_("Edit Cursor"),
127         N_("Region starts"),
128         N_("Region ends"),
129         N_("Region syncs"),
130         N_("Region bounds"),
131         0
132 };
133
134 static const gchar *snap_mode_strings[] = {
135         N_("Normal Snap"),
136         N_("Magnetic Snap"),
137         0
138 };
139
140 static const gchar *zoom_focus_strings[] = {
141         N_("Focus Left"),
142         N_("Focus Right"),
143         N_("Focus Center"),
144         N_("Focus Play"),
145         N_("Focus Edit"),
146         0
147 };
148
149 /* Soundfile  drag-n-drop */
150
151 Gdk::Cursor* Editor::cross_hair_cursor = 0;
152 Gdk::Cursor* Editor::selector_cursor = 0;
153 Gdk::Cursor* Editor::trimmer_cursor = 0;
154 Gdk::Cursor* Editor::grabber_cursor = 0;
155 Gdk::Cursor* Editor::zoom_cursor = 0;
156 Gdk::Cursor* Editor::time_fx_cursor = 0;
157 Gdk::Cursor* Editor::fader_cursor = 0;
158 Gdk::Cursor* Editor::speaker_cursor = 0;
159 Gdk::Cursor* Editor::wait_cursor = 0;
160 Gdk::Cursor* Editor::timebar_cursor = 0;
161
162 void
163 show_me_the_size (Requisition* r, const char* what)
164 {
165         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
166 }
167
168 void 
169 check_adjustment (Gtk::Adjustment* adj)
170 {
171         cerr << "CHANGE adj  = " 
172              << adj->get_lower () <<  ' '
173              << adj->get_upper () <<  ' '
174              << adj->get_value () <<  ' '
175              << adj->get_step_increment () <<  ' '
176              << adj->get_page_increment () <<  ' '
177              << adj->get_page_size () <<  ' '
178              << endl;
179
180 }
181
182 Editor::Editor (AudioEngine& eng) 
183         : engine (eng),
184
185           /* time display buttons */
186
187           minsec_label (_("Mins:Secs")),
188           bbt_label (_("Bars:Beats")),
189           smpte_label (_("SMPTE")),
190           frame_label (_("Frames")),
191           tempo_label (_("Tempo")),
192           meter_label (_("Meter")),
193           mark_label (_("Location Markers")),
194           range_mark_label (_("Range Markers")),
195           transport_mark_label (_("Loop/Punch Ranges")),
196
197           edit_packer (3, 3, false),
198
199           /* the values here don't matter: layout widgets
200              reset them as needed.
201           */
202
203           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
204           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
205
206           /* tool bar related */
207
208           edit_cursor_clock (X_("EditCursorClock"), true),
209           zoom_range_clock (X_("ZoomRangeClock"), true, true),
210           
211           toolbar_selection_clock_table (2,3),
212           
213           automation_mode_button (_("mode")),
214           global_automation_button (_("automation")),
215
216           /* <CMT Additions> */
217           image_socket_listener(0),
218           /* </CMT Additions> */
219
220           /* nudge */
221
222           nudge_clock (X_("NudgeClock"), true, true)
223
224 {
225         constructed = false;
226
227         /* we are a singleton */
228
229         PublicEditor::_instance = this;
230
231         session = 0;
232
233         selection = new Selection;
234         cut_buffer = new Selection;
235
236         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
237         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
238         selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
239         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
240
241         clicked_regionview = 0;
242         clicked_trackview = 0;
243         clicked_audio_trackview = 0;
244         clicked_crossfadeview = 0;
245         clicked_control_point = 0;
246         latest_regionview = 0;
247         last_update_frame = 0;
248         drag_info.item = 0;
249         current_mixer_strip = 0;
250         current_bbt_points = 0;
251
252         snap_type = SnapToFrame;
253         set_snap_to (snap_type);
254         snap_mode = SnapNormal;
255         set_snap_mode (snap_mode);
256         snap_threshold = 5.0;
257         bbt_beat_subdivision = 4;
258         canvas_width = 0;
259         canvas_height = 0;
260         autoscroll_timeout_tag = -1;
261         interthread_progress_window = 0;
262
263 #ifdef FFT_ANALYSIS
264         analysis_window = 0;
265 #endif
266
267         current_interthread_info = 0;
268         _show_measures = true;
269         _show_waveforms = true;
270         _show_waveforms_recording = true;
271         first_action_message = 0;
272         export_dialog = 0;
273         show_gain_after_trim = false;
274         ignore_route_list_reorder = false;
275         no_route_list_redisplay = false;
276         verbose_cursor_on = true;
277         route_removal = false;
278         track_spacing = 0;
279         show_automatic_regions_in_region_list = true;
280         region_list_sort_type = (Editing::RegionListSortType) 0; 
281         have_pending_keyboard_selection = false;
282         _follow_playhead = true;
283         _xfade_visibility = true;
284         editor_ruler_menu = 0;
285         no_ruler_shown_update = false;
286         edit_group_list_menu = 0;
287         route_list_menu = 0;
288         region_list_menu = 0;
289         marker_menu = 0;
290         range_marker_menu = 0;
291         marker_menu_item = 0;
292         tm_marker_menu = 0;
293         transport_marker_menu = 0;
294         new_transport_marker_menu = 0;
295         editor_mixer_strip_width = Wide;
296         repos_zoom_queued = false;
297         region_edit_menu_split_item = 0;
298         temp_location = 0;
299         region_edit_menu_split_multichannel_item = 0;
300         leftmost_frame = 0;
301         ignore_mouse_mode_toggle = false;
302         current_stepping_trackview = 0;
303         entered_track = 0;
304         entered_regionview = 0;
305         clear_entered_track = false;
306         _new_regionviews_show_envelope = false;
307         current_timestretch = 0;
308         in_edit_group_row_change = false;
309         last_canvas_frame = 0;
310         edit_cursor = 0;
311         playhead_cursor = 0;
312         button_release_can_deselect = true;
313
314         location_marker_color = color_map[cLocationMarker];
315         location_range_color = color_map[cLocationRange];
316         location_cd_marker_color = color_map[cLocationCDMarker];
317         location_loop_color = color_map[cLocationLoop];
318         location_punch_color = color_map[cLocationPunch];
319
320         range_marker_drag_rect = 0;
321         marker_drag_line = 0;
322         
323         set_mouse_mode (MouseObject, true);
324
325         frames_per_unit = 2048; /* too early to use set_frames_per_unit */
326         reset_hscrollbar_stepping ();
327         
328         zoom_focus = ZoomFocusLeft;
329         set_zoom_focus (ZoomFocusLeft);
330         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
331
332         initialize_rulers ();
333         initialize_canvas ();
334
335         edit_controls_vbox.set_spacing (0);
336         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::canvas_horizontally_scrolled));
337         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling));
338         
339         track_canvas.set_hadjustment (horizontal_adjustment);
340         track_canvas.set_vadjustment (vertical_adjustment);
341         time_canvas.set_hadjustment (horizontal_adjustment);
342
343         track_canvas.signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
344         time_canvas.signal_map_event().connect (mem_fun (*this, &Editor::time_canvas_map_handler));
345         
346         controls_layout.add (edit_controls_vbox);
347         controls_layout.set_name ("EditControlsBase");
348         controls_layout.add_events (Gdk::SCROLL_MASK);
349         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
350         
351         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
352         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
353         controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
354
355         edit_vscrollbar.set_adjustment (vertical_adjustment);
356         edit_hscrollbar.set_adjustment (horizontal_adjustment);
357
358         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press));
359         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release));
360         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
361
362         build_cursors ();
363         setup_toolbar ();
364
365         edit_cursor_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_cursor_clock_changed));
366         
367         time_canvas_vbox.pack_start (*minsec_ruler, false, false);
368         time_canvas_vbox.pack_start (*smpte_ruler, false, false);
369         time_canvas_vbox.pack_start (*frames_ruler, false, false);
370         time_canvas_vbox.pack_start (*bbt_ruler, false, false);
371         time_canvas_vbox.pack_start (time_canvas, true, true);
372         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
373
374         bbt_label.set_name ("EditorTimeButton");
375         bbt_label.set_size_request (-1, (int)timebar_height);
376         bbt_label.set_alignment (1.0, 0.5);
377         bbt_label.set_padding (5,0);
378         minsec_label.set_name ("EditorTimeButton");
379         minsec_label.set_size_request (-1, (int)timebar_height);
380         minsec_label.set_alignment (1.0, 0.5);
381         minsec_label.set_padding (5,0);
382         smpte_label.set_name ("EditorTimeButton");
383         smpte_label.set_size_request (-1, (int)timebar_height);
384         smpte_label.set_alignment (1.0, 0.5);
385         smpte_label.set_padding (5,0);
386         frame_label.set_name ("EditorTimeButton");
387         frame_label.set_size_request (-1, (int)timebar_height);
388         frame_label.set_alignment (1.0, 0.5);
389         frame_label.set_padding (5,0);
390         tempo_label.set_name ("EditorTimeButton");
391         tempo_label.set_size_request (-1, (int)timebar_height);
392         tempo_label.set_alignment (1.0, 0.5);
393         tempo_label.set_padding (5,0);
394         meter_label.set_name ("EditorTimeButton");
395         meter_label.set_size_request (-1, (int)timebar_height);
396         meter_label.set_alignment (1.0, 0.5);
397         meter_label.set_padding (5,0);
398         mark_label.set_name ("EditorTimeButton");
399         mark_label.set_size_request (-1, (int)timebar_height);
400         mark_label.set_alignment (1.0, 0.5);
401         mark_label.set_padding (5,0);
402         range_mark_label.set_name ("EditorTimeButton");
403         range_mark_label.set_size_request (-1, (int)timebar_height);
404         range_mark_label.set_alignment (1.0, 0.5);
405         range_mark_label.set_padding (5,0);
406         transport_mark_label.set_name ("EditorTimeButton");
407         transport_mark_label.set_size_request (-1, (int)timebar_height);
408         transport_mark_label.set_alignment (1.0, 0.5);
409         transport_mark_label.set_padding (5,0);
410         
411         time_button_vbox.pack_start (minsec_label, false, false);
412         time_button_vbox.pack_start (smpte_label, false, false);
413         time_button_vbox.pack_start (frame_label, false, false);
414         time_button_vbox.pack_start (bbt_label, false, false);
415         time_button_vbox.pack_start (meter_label, false, false);
416         time_button_vbox.pack_start (tempo_label, false, false);
417         time_button_vbox.pack_start (mark_label, false, false);
418
419         time_button_event_box.add (time_button_vbox);
420         
421         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
422         time_button_event_box.set_name ("TimebarLabelBase");
423         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
424
425         /* these enable us to have a dedicated window (for cursor setting, etc.) 
426            for the canvas areas.
427         */
428
429         track_canvas_event_box.add (track_canvas);
430
431         time_canvas_event_box.add (time_canvas_vbox);
432         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
433         
434         edit_packer.set_col_spacings (0);
435         edit_packer.set_row_spacings (0);
436         edit_packer.set_homogeneous (false);
437         edit_packer.set_border_width (0);
438         edit_packer.set_name ("EditorWindow");
439         
440         edit_packer.attach (edit_vscrollbar,         0, 1, 1, 3,    FILL,        FILL|EXPAND, 0, 0);
441
442         edit_packer.attach (time_button_event_box,   1, 2, 0, 1,    FILL,        FILL, 0, 0);
443         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
444
445         edit_packer.attach (controls_layout,         1, 2, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
446         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 2,    FILL|EXPAND, FILL|EXPAND, 0, 0);
447
448         edit_packer.attach (edit_hscrollbar,         2, 3, 2, 3,    FILL|EXPAND,  FILL, 0, 0);
449
450         bottom_hbox.set_border_width (2);
451         bottom_hbox.set_spacing (3);
452
453         route_display_model = ListStore::create(route_display_columns);
454         route_list_display.set_model (route_display_model);
455         route_list_display.append_column (_("Visible"), route_display_columns.visible);
456         route_list_display.append_column (_("Name"), route_display_columns.text);
457         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
458         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
459         route_list_display.set_headers_visible (true);
460         route_list_display.set_name ("TrackListDisplay");
461         route_list_display.get_selection()->set_mode (SELECTION_NONE);
462         route_list_display.set_reorderable (true);
463         route_list_display.set_size_request (100,-1);
464
465         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
466         route_list_visible_cell->property_activatable() = true;
467         route_list_visible_cell->property_radio() = false;
468         
469         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
470         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
471
472         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
473
474         route_list_scroller.add (route_list_display);
475         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
476
477         group_model = ListStore::create(group_columns);
478         edit_group_display.set_model (group_model);
479         edit_group_display.append_column (_("Name"), group_columns.text);
480         edit_group_display.append_column (_("Active"), group_columns.is_active);
481         edit_group_display.append_column (_("Visible"), group_columns.is_visible);
482         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
483         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
484         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
485         edit_group_display.get_column (0)->set_expand (true);
486         edit_group_display.get_column (1)->set_expand (false);
487         edit_group_display.get_column (2)->set_expand (false);
488         edit_group_display.set_headers_visible (true);
489
490         /* name is directly editable */
491
492         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
493         name_cell->property_editable() = true;
494         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
495
496         /* use checkbox for the active + visible columns */
497
498         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
499         active_cell->property_activatable() = true;
500         active_cell->property_radio() = false;
501
502         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
503         active_cell->property_activatable() = true;
504         active_cell->property_radio() = false;
505
506         edit_group_display.set_name ("EditGroupList");
507
508         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
509
510         edit_group_display.set_name ("EditGroupList");
511         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
512         edit_group_display.set_reorderable (false);
513         edit_group_display.set_rules_hint (true);
514         edit_group_display.set_size_request (75, -1);
515
516         edit_group_display_scroller.add (edit_group_display);
517         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
518
519         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
520
521         VBox* edit_group_display_packer = manage (new VBox());
522         HButtonBox* edit_group_display_button_box = manage (new HButtonBox());
523         edit_group_display_button_box->set_homogeneous (true);
524
525         Button* edit_group_add_button = manage (new Button ());
526         Button* edit_group_remove_button = manage (new Button ());
527
528         Widget* w;
529
530         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
531         w->show();
532         edit_group_add_button->add (*w);
533
534         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
535         w->show();
536         edit_group_remove_button->add (*w);
537
538         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
539         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
540         
541         edit_group_display_button_box->pack_start (*edit_group_add_button);
542         edit_group_display_button_box->pack_start (*edit_group_remove_button);
543
544         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
545         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
546
547         region_list_display.set_size_request (100, -1);
548         region_list_display.set_name ("RegionListDisplay");
549
550         region_list_model = TreeStore::create (region_list_columns);
551         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
552         region_list_model->set_sort_column (0, SORT_ASCENDING);
553
554         region_list_display.set_model (region_list_model);
555         region_list_display.append_column (_("Regions"), region_list_columns.name);
556         region_list_display.set_headers_visible (false);
557         region_list_display.set_hover_expand (true);
558
559         region_list_display.get_selection()->set_select_function (mem_fun (*this, &Editor::region_list_selection_filter));
560         
561         TreeViewColumn* tv_col = region_list_display.get_column(0);
562         CellRendererText* renderer = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
563         tv_col->add_attribute(renderer->property_text(), region_list_columns.name);
564         tv_col->add_attribute(renderer->property_foreground_gdk(), region_list_columns.color_);
565         
566         region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
567         region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
568
569         /* setup DnD handling */
570         
571         list<TargetEntry> region_list_target_table;
572         
573         region_list_target_table.push_back (TargetEntry ("text/plain"));
574         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
575         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
576         
577         region_list_display.add_drop_targets (region_list_target_table);
578         region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
579
580         region_list_scroller.add (region_list_display);
581         region_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
582
583         region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
584         region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
585         region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
586         region_list_display.signal_button_release_event().connect (mem_fun(*this, &Editor::region_list_display_button_release));
587         region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
588         // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
589         
590         named_selection_scroller.add (named_selection_display);
591         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
592
593         named_selection_model = TreeStore::create (named_selection_columns);
594         named_selection_display.set_model (named_selection_model);
595         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
596         named_selection_display.set_headers_visible (false);
597         named_selection_display.set_size_request (100, -1);
598         named_selection_display.set_name ("RegionListDisplay");
599         
600         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
601         named_selection_display.set_size_request (100, -1);
602         named_selection_display.signal_button_press_event().connect (mem_fun(*this, &Editor::named_selection_display_button_press), false);
603         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
604
605         /* SNAPSHOTS */
606
607         snapshot_display_model = ListStore::create (snapshot_display_columns);
608         snapshot_display.set_model (snapshot_display_model);
609         snapshot_display.append_column (X_("snapshot"), snapshot_display_columns.visible_name);
610         snapshot_display.set_name ("SnapshotDisplayList");
611         snapshot_display.set_size_request (75, -1);
612         snapshot_display.set_headers_visible (false);
613         snapshot_display.set_reorderable (false);
614         snapshot_display_scroller.add (snapshot_display);
615         snapshot_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
616
617         snapshot_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::snapshot_display_selection_changed));
618         snapshot_display.signal_button_press_event().connect (mem_fun (*this, &Editor::snapshot_display_button_press), false);
619
620         Gtk::Label* nlabel;
621
622         nlabel = manage (new Label (_("Regions")));
623         nlabel->set_angle (-90);
624         the_notebook.append_page (region_list_scroller, *nlabel);
625         nlabel = manage (new Label (_("Tracks/Busses")));
626         nlabel->set_angle (-90);
627         the_notebook.append_page (route_list_scroller, *nlabel);
628         nlabel = manage (new Label (_("Snapshots")));
629         nlabel->set_angle (-90);
630         the_notebook.append_page (snapshot_display_scroller, *nlabel);
631         nlabel = manage (new Label (_("Edit Groups")));
632         nlabel->set_angle (-90);
633         the_notebook.append_page (*edit_group_display_packer, *nlabel);
634         nlabel = manage (new Label (_("Chunks")));
635         nlabel->set_angle (-90);
636         the_notebook.append_page (named_selection_scroller, *nlabel);
637
638         the_notebook.set_show_tabs (true);
639         the_notebook.set_scrollable (true);
640         the_notebook.popup_enable ();
641         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
642
643         edit_pane.pack1 (edit_packer, true, true);
644         edit_pane.pack2 (the_notebook, false, true);
645         
646         edit_pane.signal_size_allocate().connect_notify (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
647
648         top_hbox.pack_start (toolbar_frame, true, true);
649
650         HBox *hbox = manage (new HBox);
651         hbox->pack_start (edit_pane, true, true);
652
653         global_vpacker.pack_start (top_hbox, false, false);
654         global_vpacker.pack_start (*hbox, true, true);
655
656         global_hpacker.pack_start (global_vpacker, true, true);
657
658         set_name ("EditorWindow");
659         add_accel_group (ActionManager::ui_manager->get_accel_group());
660
661         vpacker.pack_end (global_hpacker, true, true);
662
663         /* register actions now so that set_state() can find them and set toggles/checks etc */
664         
665         register_actions ();
666         
667         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
668         set_state (*node);
669
670         _playlist_selector = new PlaylistSelector();
671         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
672
673         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
674
675         /* nudge stuff */
676
677         nudge_forward_button.add (*(manage (new Image (get_xpm("right_arrow.xpm")))));
678         nudge_backward_button.add (*(manage (new Image (get_xpm("left_arrow.xpm")))));
679
680         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
681         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
682
683         nudge_forward_button.set_name ("TransportButton");
684         nudge_backward_button.set_name ("TransportButton");
685
686         fade_context_menu.set_name ("ArdourContextMenu");
687
688         set_title (_("ardour: editor"));
689         set_wmclass (_("ardour_editor"), "Ardour");
690
691         add (vpacker);
692         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
693
694         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
695         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
696
697         /* allow external control surfaces/protocols to do various things */
698
699         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
700         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
701         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
702         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
703         constructed = true;
704         instant_save ();
705
706 }
707
708 Editor::~Editor()
709 {
710         /* <CMT Additions> */
711         if(image_socket_listener)
712         {
713                 if(image_socket_listener->is_connected())
714                 {
715                         image_socket_listener->close_connection() ;
716                 }
717                 
718                 delete image_socket_listener ;
719                 image_socket_listener = 0 ;
720         }
721         /* </CMT Additions> */
722 }
723
724 void
725 Editor::add_toplevel_controls (Container& cont)
726 {
727         vpacker.pack_start (cont, false, false);
728         cont.show_all ();
729 }
730
731 void
732 Editor::catch_vanishing_regionview (RegionView *rv)
733 {
734         /* note: the selection will take care of the vanishing
735            audioregionview by itself.
736         */
737
738         if (clicked_regionview == rv) {
739                 clicked_regionview = 0;
740         }
741
742         if (entered_regionview == rv) {
743                 set_entered_regionview (0);
744         }
745 }
746
747 void
748 Editor::set_entered_regionview (RegionView* rv)
749 {
750         if (rv == entered_regionview) {
751                 return;
752         }
753
754         if (entered_regionview) {
755                 entered_regionview->exited ();
756         }
757
758         if ((entered_regionview = rv) != 0) {
759                 entered_regionview->entered ();
760         }
761 }
762
763 void
764 Editor::set_entered_track (TimeAxisView* tav)
765 {
766         if (entered_track) {
767                 entered_track->exited ();
768         }
769
770         if ((entered_track = tav) != 0) {
771                 entered_track->entered ();
772         }
773 }
774
775 void
776 Editor::show_window ()
777 {
778         show_all ();
779         present ();
780
781         /* now reset all audio_time_axis heights, because widgets might need
782            to be re-hidden
783         */
784         
785         TimeAxisView *tv;
786         
787         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
788                 tv = (static_cast<TimeAxisView*>(*i));
789                 tv->reset_height ();
790         }
791 }
792
793 void
794 Editor::tie_vertical_scrolling ()
795 {
796         double y1 = vertical_adjustment.get_value();
797         controls_layout.get_vadjustment()->set_value (y1);
798         playhead_cursor->set_y_axis(y1);
799         edit_cursor->set_y_axis(y1);
800 }
801
802 void
803 Editor::set_frames_per_unit (double fpu)
804 {
805         jack_nframes_t frames;
806
807         if (fpu == frames_per_unit) {
808                 return;
809         }
810
811         if (fpu < 1.0) {
812                 fpu = 1.0;
813         }
814
815         // convert fpu to frame count
816
817         frames = (jack_nframes_t) floor (fpu * canvas_width);
818         
819         /* don't allow zooms that fit more than the maximum number
820            of frames into an 800 pixel wide space.
821         */
822
823         if (max_frames / fpu < 800.0) {
824                 return;
825         }
826
827         frames_per_unit = fpu;
828
829         if (frames != zoom_range_clock.current_duration()) {
830                 zoom_range_clock.set (frames);
831         }
832
833         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
834                 if (!selection->tracks.empty()) {
835                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
836                                 (*i)->reshow_selection (selection->time);
837                         }
838                 } else {
839                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
840                                 (*i)->reshow_selection (selection->time);
841                         }
842                 }
843         }
844
845         ZoomChanged (); /* EMIT_SIGNAL */
846
847         reset_hscrollbar_stepping ();
848         reset_scrolling_region ();
849         
850         if (edit_cursor) edit_cursor->set_position (edit_cursor->current_frame);
851         if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
852
853         instant_save ();
854
855 }
856
857 void
858 Editor::instant_save ()
859 {
860         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
861                 return;
862         }
863
864         if (session) {
865                 session->add_instant_xml(get_state(), session->path());
866         } else {
867                 Config->add_instant_xml(get_state(), get_user_ardour_path());
868         }
869 }
870
871 void
872 Editor::reposition_x_origin (jack_nframes_t frame)
873 {
874         if (frame != leftmost_frame) {
875                 leftmost_frame = frame;
876                 
877                 jack_nframes_t rightmost_frame = leftmost_frame + current_page_frames ();
878
879                 if (rightmost_frame > last_canvas_frame) {
880                         last_canvas_frame = rightmost_frame;
881                         reset_scrolling_region ();
882                 }
883
884                 horizontal_adjustment.set_value (frame/frames_per_unit);
885         }
886 }
887
888 void
889 Editor::edit_cursor_clock_changed()
890 {
891         if (edit_cursor->current_frame != edit_cursor_clock.current_time()) {
892                 edit_cursor->set_position (edit_cursor_clock.current_time());
893         }
894 }
895
896
897 void
898 Editor::zoom_adjustment_changed ()
899 {
900         if (session == 0) {
901                 return;
902         }
903
904         double fpu = zoom_range_clock.current_duration() / canvas_width;
905
906         if (fpu < 1.0) {
907                 fpu = 1.0;
908                 zoom_range_clock.set ((jack_nframes_t) floor (fpu * canvas_width));
909         } else if (fpu > session->current_end_frame() / canvas_width) {
910                 fpu = session->current_end_frame() / canvas_width;
911                 zoom_range_clock.set ((jack_nframes_t) floor (fpu * canvas_width));
912         }
913         
914         temporal_zoom (fpu);
915 }
916
917 void
918 Editor::control_scroll (float fraction)
919 {
920         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
921
922         if (!session) {
923                 return;
924         }
925
926         double step = fraction * current_page_frames();
927         jack_nframes_t target;
928
929         if ((fraction < 0.0f) && (session->transport_frame() < (jack_nframes_t) fabs(step))) {
930                 target = 0;
931         } else if ((fraction > 0.0f) && (max_frames - session->transport_frame() < step)) {
932                 target = (max_frames - (current_page_frames()*2)); // allow room for slop in where the PH is on the screen
933         } else {
934                 target = (session->transport_frame() + (jack_nframes_t) floor ((fraction * current_page_frames())));
935         }
936
937         /* move visuals, we'll catch up with it later */
938
939         playhead_cursor->set_position (target);
940
941         if (target > (current_page_frames() / 2)) {
942                 /* try to center PH in window */
943                 reposition_x_origin (target - (current_page_frames()/2));
944         } else {
945                 reposition_x_origin (0);
946         }
947
948         /* cancel the existing */
949
950         control_scroll_connection.disconnect ();
951
952         /* add the next one */
953
954         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), target), 50);
955 }
956
957 bool
958 Editor::deferred_control_scroll (jack_nframes_t target)
959 {
960         session->request_locate (target);
961         return false;
962 }
963
964 void 
965 Editor::canvas_horizontally_scrolled ()
966 {
967
968         Glib::signal_idle().connect (mem_fun(*this, &Editor::lazy_canvas_horizontally_scrolled));
969
970 }
971
972 bool
973 Editor::lazy_canvas_horizontally_scrolled ()
974 {
975
976         leftmost_frame = (jack_nframes_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
977
978         update_fixed_rulers ();
979         tempo_map_changed (Change (0));
980
981         return false; 
982 }
983
984 void
985 Editor::reposition_and_zoom (jack_nframes_t frame, double nfpu)
986 {
987         if (!repos_zoom_queued) {
988                 repos_zoom_queued = true;
989                 Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::deferred_reposition_and_zoom), frame, nfpu));
990         }
991 }
992
993 gint
994 Editor::deferred_reposition_and_zoom (jack_nframes_t frame, double nfpu)
995 {
996
997         set_frames_per_unit (nfpu);
998         reposition_x_origin  (frame);
999
1000         repos_zoom_queued = false;
1001         
1002         return FALSE;
1003 }
1004
1005 void
1006 Editor::on_realize ()
1007 {
1008         Window::on_realize ();
1009         Realized ();
1010 }
1011
1012 void
1013 Editor::queue_session_control_changed (Session::ControlType t)
1014 {
1015         Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &Editor::session_control_changed), t));
1016 }
1017
1018 void
1019 Editor::session_control_changed (Session::ControlType t)
1020 {
1021         // right now we're only tracking some state here 
1022
1023         switch (t) {
1024         case Session::AutoLoop:
1025                 update_loop_range_view (true);
1026                 break;
1027         case Session::PunchIn:
1028         case Session::PunchOut:
1029                 update_punch_range_view (true);
1030                 break;
1031
1032         case Session::LayeringModel:
1033                 update_layering_model ();
1034                 break;
1035
1036         default:
1037                 break;
1038         }
1039 }
1040
1041 void
1042 Editor::start_scrolling ()
1043 {
1044         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect 
1045                 (mem_fun(*this, &Editor::update_current_screen));
1046 }
1047
1048 void
1049 Editor::stop_scrolling ()
1050 {
1051         scroll_connection.disconnect ();
1052 }
1053
1054 void
1055 Editor::map_position_change (jack_nframes_t frame)
1056 {
1057         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
1058
1059         if (session == 0 || !_follow_playhead) {
1060                 return;
1061         }
1062
1063         center_screen (frame);
1064         playhead_cursor->set_position (frame);
1065 }       
1066
1067 void
1068 Editor::center_screen (jack_nframes_t frame)
1069 {
1070         double page = canvas_width * frames_per_unit;
1071
1072         /* if we're off the page, then scroll.
1073          */
1074         
1075         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1076                 center_screen_internal (frame, page);
1077         }
1078 }
1079
1080 void
1081 Editor::center_screen_internal (jack_nframes_t frame, float page)
1082 {
1083         page /= 2;
1084                 
1085         if (frame > page) {
1086                 frame -= (jack_nframes_t) page;
1087         } else {
1088                 frame = 0;
1089         }
1090
1091     reposition_x_origin (frame);
1092 }
1093
1094 void
1095 Editor::handle_new_duration ()
1096 {
1097         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1098
1099         jack_nframes_t new_end = session->get_maximum_extent() + (jack_nframes_t) floorf (current_page_frames() * 0.10f);
1100                                   
1101         if (new_end > last_canvas_frame) {
1102                 last_canvas_frame = new_end;
1103                 reset_scrolling_region ();
1104         }
1105
1106         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
1107 }
1108
1109 void
1110 Editor::update_title_s (const string & snap_name)
1111 {
1112         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1113         
1114         update_title ();
1115 }
1116
1117 void
1118 Editor::update_title ()
1119 {
1120         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1121
1122         if (session) {
1123                 bool dirty = session->dirty();
1124
1125                 string wintitle = _("ardour: editor: ");
1126
1127                 if (dirty) {
1128                         wintitle += '[';
1129                 }
1130
1131                 wintitle += session->name();
1132
1133                 if (session->snap_name() != session->name()) {
1134                         wintitle += ':';
1135                         wintitle += session->snap_name();
1136                 }
1137
1138                 if (dirty) {
1139                         wintitle += ']';
1140                 }
1141
1142                 set_title (wintitle);
1143         }
1144 }
1145
1146 void
1147 Editor::connect_to_session (Session *t)
1148 {
1149         session = t;
1150
1151         if (first_action_message) {
1152                 first_action_message->hide();
1153         }
1154
1155         update_title ();
1156
1157         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1158
1159         /* These signals can all be emitted by a non-GUI thread. Therefore the
1160            handlers for them must not attempt to directly interact with the GUI,
1161            but use Gtkmm2ext::UI::instance()->call_slot();
1162         */
1163
1164         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1165         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1166         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1167         session_connections.push_back (session->AudioRegionAdded.connect (mem_fun(*this, &Editor::handle_new_audio_region)));
1168         session_connections.push_back (session->AudioRegionRemoved.connect (mem_fun(*this, &Editor::handle_audio_region_removed)));
1169         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1170         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1171         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1172         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1173         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1174         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1175         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1176         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1177         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1178
1179         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1180         session_connections.push_back (session->SMPTETypeChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1181
1182         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1183
1184         edit_groups_changed ();
1185
1186         edit_cursor_clock.set_session (session);
1187         zoom_range_clock.set_session (session);
1188         _playlist_selector->set_session (session);
1189         nudge_clock.set_session (session);
1190
1191 #ifdef FFT_ANALYSIS
1192         if (analysis_window != 0)
1193                 analysis_window->set_session (session);
1194 #endif
1195
1196         switch (session->get_edit_mode()) {
1197         case Splice:
1198                 edit_mode_selector.set_active_text (edit_mode_strings[splice_index]);
1199                 break;
1200
1201         case Slide:
1202                 edit_mode_selector.set_active_text (edit_mode_strings[slide_index]);
1203                 break;
1204         }
1205
1206         Location* loc = session->locations()->auto_loop_location();
1207         if (loc == 0) {
1208                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1209                 if (loc->start() == loc->end()) {
1210                         loc->set_end (loc->start() + 1);
1211                 }
1212                 session->locations()->add (loc, false);
1213                 session->set_auto_loop_location (loc);
1214         }
1215         else {
1216                 // force name
1217                 loc->set_name (_("Loop"));
1218         }
1219         
1220         loc = session->locations()->auto_punch_location();
1221         if (loc == 0) {
1222                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1223                 if (loc->start() == loc->end()) {
1224                         loc->set_end (loc->start() + 1);
1225                 }
1226                 session->locations()->add (loc, false);
1227                 session->set_auto_punch_location (loc);
1228         }
1229         else {
1230                 // force name
1231                 loc->set_name (_("Punch"));
1232         }
1233
1234         update_loop_range_view (true);
1235         update_punch_range_view (true);
1236         
1237         session->ControlChanged.connect (mem_fun(*this, &Editor::queue_session_control_changed));
1238         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1239         
1240         refresh_location_display ();
1241         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1242         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1243         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1244         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1245         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1246
1247         bool yn;
1248         RefPtr<Action> act;
1249
1250         act = ActionManager::get_action (X_("Editor"), X_("toggle-xfades-active"));
1251         if (act) {
1252                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
1253                 /* do it twice to force the change */
1254                 yn = session->get_crossfades_active();
1255                 tact->set_active (!yn);
1256                 tact->set_active (yn);
1257         }
1258
1259         act = ActionManager::get_action (X_("Editor"), X_("toggle-auto-xfades"));
1260         if (act) {
1261                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
1262                 /* do it twice to force the change */
1263                 yn = Config->get_auto_xfade ();
1264                 tact->set_active (!yn);
1265                 tact->set_active (yn);
1266         }
1267
1268         /* xfade visibility state set from editor::set_state() */
1269         
1270         update_crossfade_model ();
1271         update_layering_model ();
1272
1273         handle_new_duration ();
1274
1275         redisplay_regions ();
1276         redisplay_named_selections ();
1277         redisplay_snapshots ();
1278
1279         initial_route_list_display ();
1280
1281         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1282                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1283         }
1284
1285         /* ::reposition_x_origin() doesn't work right here, since the old
1286            position may be zero already, and it does nothing in such
1287            circumstances.
1288         */
1289
1290         leftmost_frame = 0;
1291         
1292         horizontal_adjustment.set_value (0);
1293
1294         restore_ruler_visibility ();
1295         tempo_map_changed (Change (0));
1296         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1297
1298         edit_cursor->set_position (0);
1299         playhead_cursor->set_position (0);
1300
1301         start_scrolling ();
1302
1303         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1304         set_state (*node);
1305
1306         /* don't show master bus in a new session */
1307
1308         if (ARDOUR_UI::instance()->session_is_new ()) {
1309
1310                 TreeModel::Children rows = route_display_model->children();
1311                 TreeModel::Children::iterator i;
1312         
1313                 no_route_list_redisplay = true;
1314                 
1315                 for (i = rows.begin(); i != rows.end(); ++i) {
1316                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1317                         AudioTimeAxisView *atv;
1318                         
1319                         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) != 0) {
1320                                 if (atv->route()->master()) {
1321                                         route_list_display.get_selection()->unselect (i);
1322                                 }
1323                         }
1324                 }
1325                 
1326                 no_route_list_redisplay = false;
1327                 redisplay_route_list ();
1328         }
1329
1330         /* register for undo history */
1331         session->register_with_memento_command_factory(_id, this);
1332 }
1333
1334 void
1335 Editor::build_cursors ()
1336 {
1337         using namespace Gdk;
1338         
1339         Gdk::Color mbg ("#000000" ); /* Black */
1340         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1341
1342         {
1343                 RefPtr<Bitmap> source, mask;
1344                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1345                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1346                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1347         }
1348
1349         Gdk::Color fbg ("#ffffff" );
1350         Gdk::Color ffg  ("#000000" );
1351         
1352         {
1353                 RefPtr<Bitmap> source, mask;
1354                 
1355                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1356                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1357                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1358         }
1359         
1360         { 
1361                 RefPtr<Bitmap> source, mask;
1362                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1363                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1364                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1365         }
1366
1367         grabber_cursor = new Gdk::Cursor (HAND2);
1368         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1369         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1370         selector_cursor = new Gdk::Cursor (XTERM);
1371         time_fx_cursor = new Gdk::Cursor (SIZING);
1372         wait_cursor = new Gdk::Cursor  (WATCH);
1373         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1374 }
1375
1376 void
1377 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1378 {
1379         using namespace Menu_Helpers;
1380         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1381
1382         if (arv == 0) {
1383                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1384                 /*NOTREACHED*/
1385         }
1386
1387         MenuList& items (fade_context_menu.items());
1388         AudioRegion& ar (*arv->audio_region().get()); // FIXME
1389
1390         items.clear ();
1391
1392         switch (item_type) {
1393         case FadeInItem:
1394         case FadeInHandleItem:
1395                 if (arv->audio_region()->fade_in_active()) {
1396                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), false)));
1397                 } else {
1398                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), true)));
1399                 }
1400                 
1401                 items.push_back (SeparatorElem());
1402                 
1403                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::Linear)));
1404                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::LogB)));
1405                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::Fast)));
1406                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::LogA)));
1407                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::Slow)));
1408                 break;
1409
1410         case FadeOutItem:
1411         case FadeOutHandleItem:
1412                 if (arv->audio_region()->fade_out_active()) {
1413                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), false)));
1414                 } else {
1415                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), true)));
1416                 }
1417                 
1418                 items.push_back (SeparatorElem());
1419                 
1420                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::Linear)));
1421                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::Fast)));
1422                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::LogB)));
1423                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::LogA)));
1424                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::Slow)));
1425
1426                 break;
1427         default:
1428                 fatal << _("programming error: ")
1429                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1430                       << endmsg;
1431                 /*NOTREACHED*/
1432         }
1433
1434         fade_context_menu.popup (button, time);
1435 }
1436
1437 void
1438 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, jack_nframes_t frame)
1439 {
1440         using namespace Menu_Helpers;
1441         Menu* (Editor::*build_menu_function)(jack_nframes_t);
1442         Menu *menu;
1443
1444         switch (item_type) {
1445         case RegionItem:
1446         case RegionViewName:
1447         case RegionViewNameHighlight:
1448                 if (with_selection) {
1449                         build_menu_function = &Editor::build_track_selection_context_menu;
1450                 } else {
1451                         build_menu_function = &Editor::build_track_region_context_menu;
1452                 }
1453                 break;
1454
1455         case SelectionItem:
1456                 if (with_selection) {
1457                         build_menu_function = &Editor::build_track_selection_context_menu;
1458                 } else {
1459                         build_menu_function = &Editor::build_track_context_menu;
1460                 }
1461                 break;
1462
1463         case CrossfadeViewItem:
1464                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1465                 break;
1466
1467         case StreamItem:
1468                 if (clicked_audio_trackview->get_diskstream()) {
1469                         build_menu_function = &Editor::build_track_context_menu;
1470                 } else {
1471                         build_menu_function = &Editor::build_track_bus_context_menu;
1472                 }
1473                 break;
1474
1475         default:
1476                 /* probably shouldn't happen but if it does, we don't care */
1477                 return;
1478         }
1479
1480         menu = (this->*build_menu_function)(frame);
1481         menu->set_name ("ArdourContextMenu");
1482         
1483         /* now handle specific situations */
1484
1485         switch (item_type) {
1486         case RegionItem:
1487         case RegionViewName:
1488         case RegionViewNameHighlight:
1489                 if (!with_selection) {
1490                         if (region_edit_menu_split_item) {
1491                                 if (clicked_regionview && clicked_regionview->region()->covers (edit_cursor->current_frame)) {
1492                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, true);
1493                                 } else {
1494                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, false);
1495                                 }
1496                         }
1497                         /*
1498                         if (region_edit_menu_split_multichannel_item) {
1499                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1500                                         // GTK2FIX find the action, change its sensitivity
1501                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1502                                 } else {
1503                                         // GTK2FIX see above
1504                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1505                                 }
1506                         }*/
1507                 }
1508                 break;
1509
1510         case SelectionItem:
1511                 break;
1512
1513         case CrossfadeViewItem:
1514                 break;
1515
1516         case StreamItem:
1517                 break;
1518
1519         default:
1520                 /* probably shouldn't happen but if it does, we don't care */
1521                 return;
1522         }
1523
1524         if (clicked_audio_trackview && clicked_audio_trackview->audio_track()) {
1525
1526                 /* Bounce to disk */
1527                 
1528                 using namespace Menu_Helpers;
1529                 MenuList& edit_items  = menu->items();
1530                 
1531                 edit_items.push_back (SeparatorElem());
1532
1533                 switch (clicked_audio_trackview->audio_track()->freeze_state()) {
1534                 case AudioTrack::NoFreeze:
1535                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1536                         break;
1537
1538                 case AudioTrack::Frozen:
1539                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1540                         break;
1541                         
1542                 case AudioTrack::UnFrozen:
1543                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1544                         break;
1545                 }
1546
1547         }
1548
1549         menu->popup (button, time);
1550 }
1551
1552 Menu*
1553 Editor::build_track_context_menu (jack_nframes_t ignored)
1554 {
1555         using namespace Menu_Helpers;
1556
1557         MenuList& edit_items = track_context_menu.items();
1558         edit_items.clear();
1559
1560         add_dstream_context_items (edit_items);
1561         return &track_context_menu;
1562 }
1563
1564 Menu*
1565 Editor::build_track_bus_context_menu (jack_nframes_t ignored)
1566 {
1567         using namespace Menu_Helpers;
1568
1569         MenuList& edit_items = track_context_menu.items();
1570         edit_items.clear();
1571
1572         add_bus_context_items (edit_items);
1573         return &track_context_menu;
1574 }
1575
1576 Menu*
1577 Editor::build_track_region_context_menu (jack_nframes_t frame)
1578 {
1579         using namespace Menu_Helpers;
1580         MenuList& edit_items  = track_region_context_menu.items();
1581         edit_items.clear();
1582
1583         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1584
1585         if (atv) {
1586                 boost::shared_ptr<Diskstream> ds;
1587                 Playlist* pl;
1588                 
1589                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
1590                         Playlist::RegionList* regions = pl->regions_at ((jack_nframes_t) floor ( (double)frame * ds->speed()));
1591                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1592                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1593                         }
1594                         delete regions;
1595                 }
1596         }
1597
1598         add_dstream_context_items (edit_items);
1599
1600         return &track_region_context_menu;
1601 }
1602
1603 Menu*
1604 Editor::build_track_crossfade_context_menu (jack_nframes_t frame)
1605 {
1606         using namespace Menu_Helpers;
1607         MenuList& edit_items  = track_crossfade_context_menu.items();
1608         edit_items.clear ();
1609
1610         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1611
1612         if (atv) {
1613                 boost::shared_ptr<Diskstream> ds;
1614                 Playlist* pl;
1615                 AudioPlaylist* apl;
1616
1617                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = dynamic_cast<AudioPlaylist*> (pl)) != 0)) {
1618
1619                         Playlist::RegionList* regions = pl->regions_at (frame);
1620                         AudioPlaylist::Crossfades xfades;
1621
1622                         apl->crossfades_at (frame, xfades);
1623
1624                         bool many = xfades.size() > 1;
1625
1626                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1627                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1628                         }
1629
1630                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1631                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1632                         }
1633
1634                         delete regions;
1635                 }
1636         }
1637
1638         add_dstream_context_items (edit_items);
1639
1640         return &track_crossfade_context_menu;
1641 }
1642
1643 #ifdef FFT_ANALYSIS
1644 void
1645 Editor::analyze_region_selection()
1646 {
1647         if (analysis_window == 0) {
1648                 analysis_window = new AnalysisWindow();
1649
1650                 if (session != 0)
1651                         analysis_window->set_session(session);
1652
1653                 analysis_window->show_all();
1654         }
1655
1656         analysis_window->set_regionmode();
1657         analysis_window->analyze();
1658         
1659         analysis_window->present();
1660 }
1661
1662 void
1663 Editor::analyze_range_selection()
1664 {
1665         if (analysis_window == 0) {
1666                 analysis_window = new AnalysisWindow();
1667
1668                 if (session != 0)
1669                         analysis_window->set_session(session);
1670
1671                 analysis_window->show_all();
1672         }
1673
1674         analysis_window->set_rangemode();
1675         analysis_window->analyze();
1676         
1677         analysis_window->present();
1678 }
1679 #endif /* FFT_ANALYSIS */
1680
1681
1682
1683 Menu*
1684 Editor::build_track_selection_context_menu (jack_nframes_t ignored)
1685 {
1686         using namespace Menu_Helpers;
1687         MenuList& edit_items  = track_selection_context_menu.items();
1688         edit_items.clear ();
1689
1690         add_selection_context_items (edit_items);
1691         add_dstream_context_items (edit_items);
1692
1693         return &track_selection_context_menu;
1694 }
1695
1696 void
1697 Editor::add_crossfade_context_items (AudioStreamView* view, Crossfade* xfade, Menu_Helpers::MenuList& edit_items, bool many)
1698 {
1699         using namespace Menu_Helpers;
1700         Menu     *xfade_menu = manage (new Menu);
1701         MenuList& items       = xfade_menu->items();
1702         xfade_menu->set_name ("ArdourContextMenu");
1703         string str;
1704
1705         if (xfade->active()) {
1706                 str = _("Mute");
1707         } else { 
1708                 str = _("Unmute");
1709         }
1710
1711         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), xfade)));
1712         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), xfade)));
1713
1714         if (xfade->can_follow_overlap()) {
1715
1716                 if (xfade->following_overlap()) {
1717                         str = _("Convert to short");
1718                 } else {
1719                         str = _("Convert to full");
1720                 }
1721
1722                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1723         }
1724
1725         if (many) {
1726                 str = xfade->out()->name();
1727                 str += "->";
1728                 str += xfade->in()->name();
1729         } else {
1730                 str = _("Crossfade");
1731         }
1732
1733         edit_items.push_back (MenuElem (str, *xfade_menu));
1734         edit_items.push_back (SeparatorElem());
1735 }
1736
1737 void
1738 Editor::xfade_edit_left_region ()
1739 {
1740         if (clicked_crossfadeview) {
1741                 clicked_crossfadeview->left_view.show_region_editor ();
1742         }
1743 }
1744
1745 void
1746 Editor::xfade_edit_right_region ()
1747 {
1748         if (clicked_crossfadeview) {
1749                 clicked_crossfadeview->right_view.show_region_editor ();
1750         }
1751 }
1752
1753 void
1754 Editor::add_region_context_items (AudioStreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1755 {
1756         using namespace Menu_Helpers;
1757         Menu     *region_menu = manage (new Menu);
1758         MenuList& items       = region_menu->items();
1759         region_menu->set_name ("ArdourContextMenu");
1760         
1761         boost::shared_ptr<AudioRegion> ar;
1762
1763         if (region) {
1764                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1765         }
1766
1767         /* when this particular menu pops up, make the relevant region 
1768            become selected.
1769         */
1770
1771         region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, region));
1772
1773         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1774         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1775         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1776         items.push_back (SeparatorElem());
1777         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_cursor)));
1778         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1779         items.push_back (SeparatorElem());
1780
1781         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::audition_selected_region)));
1782         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1783         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1784
1785 #ifdef FFT_ANALYSIS
1786         items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
1787 #endif
1788
1789         items.push_back (SeparatorElem());
1790
1791         /* XXX hopefully this nonsense will go away with SigC++ 2.X, where the compiler
1792            might be able to figure out which overloaded member function to use in
1793            a bind() call ...
1794         */
1795
1796         void (Editor::*type_A_pmf)(void (Region::*pmf)(bool), bool) = &Editor::region_selection_op;
1797
1798         items.push_back (MenuElem (_("Lock"), bind (mem_fun(*this, type_A_pmf), &Region::set_locked, true)));
1799         items.push_back (MenuElem (_("Unlock"), bind (mem_fun(*this, type_A_pmf), &Region::set_locked, false)));
1800         items.push_back (SeparatorElem());
1801
1802         if (region->muted()) {
1803                 items.push_back (MenuElem (_("Unmute"), bind (mem_fun(*this, type_A_pmf), &Region::set_muted, false)));
1804         } else {
1805                 items.push_back (MenuElem (_("Mute"), bind (mem_fun(*this, type_A_pmf), &Region::set_muted, true)));
1806         }
1807         items.push_back (SeparatorElem());
1808
1809         items.push_back (MenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1810         items.push_back (SeparatorElem());
1811
1812
1813         if (ar) {
1814
1815                 items.push_back (MenuElem (_("Toggle envelope visibility"), mem_fun(*this, &Editor::toggle_gain_envelope_visibility)));
1816                 items.push_back (MenuElem (_("Toggle envelope active"), mem_fun(*this, &Editor::toggle_gain_envelope_active)));
1817                 items.push_back (SeparatorElem());
1818
1819                 if (ar->scale_amplitude() != 1.0f) {
1820                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1821                 } else {
1822                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1823                 }
1824         }
1825         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1826         items.push_back (SeparatorElem());
1827
1828
1829         /* range related stuff */
1830
1831         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1832         items.push_back (MenuElem (_("Set Range"), mem_fun (*this, &Editor::set_selection_from_audio_region)));
1833         items.push_back (SeparatorElem());
1834                          
1835         /* Nudge region */
1836
1837         Menu *nudge_menu = manage (new Menu());
1838         MenuList& nudge_items = nudge_menu->items();
1839         nudge_menu->set_name ("ArdourContextMenu");
1840         
1841         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false))));
1842         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false))));
1843         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1844         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1845
1846         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1847         items.push_back (SeparatorElem());
1848
1849         Menu *trim_menu = manage (new Menu);
1850         MenuList& trim_items = trim_menu->items();
1851         trim_menu->set_name ("ArdourContextMenu");
1852         
1853         trim_items.push_back (MenuElem (_("Start to edit cursor"), mem_fun(*this, &Editor::trim_region_from_edit_cursor)));
1854         trim_items.push_back (MenuElem (_("Edit cursor to end"), mem_fun(*this, &Editor::trim_region_to_edit_cursor)));
1855                              
1856         items.push_back (MenuElem (_("Trim"), *trim_menu));
1857         items.push_back (SeparatorElem());
1858
1859         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1860         region_edit_menu_split_item = &items.back();
1861
1862         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1863         region_edit_menu_split_multichannel_item = &items.back();
1864
1865         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1866         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1867         items.push_back (SeparatorElem());
1868         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
1869         items.push_back (SeparatorElem());
1870         items.push_back (MenuElem (_("Destroy"), mem_fun(*this, &Editor::destroy_clicked_region)));
1871
1872         /* OK, stick the region submenu at the top of the list, and then add
1873            the standard items.
1874         */
1875
1876         /* we have to hack up the region name because "_" has a special
1877            meaning for menu titles.
1878         */
1879
1880         string::size_type pos = 0;
1881         string menu_item_name = region->name();
1882
1883         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1884                 menu_item_name.replace (pos, 1, "__");
1885                 pos += 2;
1886         }
1887         
1888         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1889         edit_items.push_back (SeparatorElem());
1890 }
1891
1892 void
1893 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1894 {
1895         using namespace Menu_Helpers;
1896         Menu     *selection_menu = manage (new Menu);
1897         MenuList& items       = selection_menu->items();
1898         selection_menu->set_name ("ArdourContextMenu");
1899
1900         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1901         items.push_back (MenuElem (_("Loop range"), mem_fun(*this, &Editor::set_route_loop_selection)));
1902
1903 #ifdef FFT_ANALYSIS
1904         items.push_back (SeparatorElem());
1905         items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
1906 #endif
1907         
1908         items.push_back (SeparatorElem());
1909         items.push_back (MenuElem (_("Separate range to track"), mem_fun(*this, &Editor::separate_region_from_selection)));
1910         items.push_back (MenuElem (_("Separate range to region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1911         
1912         items.push_back (SeparatorElem());
1913         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1914         items.push_back (SeparatorElem());
1915         items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1916         items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1917         items.push_back (SeparatorElem());
1918         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1919         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1920         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1921         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::name_selection)));
1922         items.push_back (SeparatorElem());
1923         items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
1924         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
1925
1926         edit_items.push_back (MenuElem (_("Range"), *selection_menu));
1927         edit_items.push_back (SeparatorElem());
1928 }
1929
1930 void
1931 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1932 {
1933         using namespace Menu_Helpers;
1934
1935         /* Playback */
1936
1937         Menu *play_menu = manage (new Menu);
1938         MenuList& play_items = play_menu->items();
1939         play_menu->set_name ("ArdourContextMenu");
1940         
1941         play_items.push_back (MenuElem (_("Play from edit cursor")));
1942         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1943         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1944         play_items.push_back (SeparatorElem());
1945         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1946         
1947         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1948
1949         /* Selection */
1950
1951         Menu *select_menu = manage (new Menu);
1952         MenuList& select_items = select_menu->items();
1953         select_menu->set_name ("ArdourContextMenu");
1954         
1955         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1956         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1957         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1958         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1959         select_items.push_back (SeparatorElem());
1960         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1961         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1962         select_items.push_back (SeparatorElem());
1963         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1964         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1965         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1966         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1967         select_items.push_back (MenuElem (_("Select all between cursors"), bind (mem_fun(*this, &Editor::select_all_selectables_between_cursors), playhead_cursor, edit_cursor)));
1968         select_items.push_back (SeparatorElem());
1969
1970         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1971
1972         /* Cut-n-Paste */
1973
1974         Menu *cutnpaste_menu = manage (new Menu);
1975         MenuList& cutnpaste_items = cutnpaste_menu->items();
1976         cutnpaste_menu->set_name ("ArdourContextMenu");
1977         
1978         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1979         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1980         cutnpaste_items.push_back (MenuElem (_("Paste at edit cursor"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1981         cutnpaste_items.push_back (MenuElem (_("Paste at mouse"), mem_fun(*this, &Editor::mouse_paste)));
1982
1983         cutnpaste_items.push_back (SeparatorElem());
1984
1985         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
1986         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
1987
1988         cutnpaste_items.push_back (SeparatorElem());
1989
1990         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
1991
1992         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1993
1994         /* Adding new material */
1995         
1996         edit_items.push_back (SeparatorElem());
1997         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1998         edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1999
2000         /* Nudge track */
2001
2002         Menu *nudge_menu = manage (new Menu());
2003         MenuList& nudge_items = nudge_menu->items();
2004         nudge_menu->set_name ("ArdourContextMenu");
2005         
2006         edit_items.push_back (SeparatorElem());
2007         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2008         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2009         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2010         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2011
2012         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2013 }
2014
2015 void
2016 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2017 {
2018         using namespace Menu_Helpers;
2019
2020         /* Playback */
2021
2022         Menu *play_menu = manage (new Menu);
2023         MenuList& play_items = play_menu->items();
2024         play_menu->set_name ("ArdourContextMenu");
2025         
2026         play_items.push_back (MenuElem (_("Play from edit cursor")));
2027         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2028         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2029
2030         /* Selection */
2031
2032         Menu *select_menu = manage (new Menu);
2033         MenuList& select_items = select_menu->items();
2034         select_menu->set_name ("ArdourContextMenu");
2035         
2036         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2037         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2038         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2039         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2040         select_items.push_back (SeparatorElem());
2041         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
2042         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
2043         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2044         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2045
2046         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2047
2048         /* Cut-n-Paste */
2049
2050         Menu *cutnpaste_menu = manage (new Menu);
2051         MenuList& cutnpaste_items = cutnpaste_menu->items();
2052         cutnpaste_menu->set_name ("ArdourContextMenu");
2053         
2054         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2055         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2056         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2057
2058         Menu *nudge_menu = manage (new Menu());
2059         MenuList& nudge_items = nudge_menu->items();
2060         nudge_menu->set_name ("ArdourContextMenu");
2061         
2062         edit_items.push_back (SeparatorElem());
2063         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2064         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2065         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2066         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2067
2068         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2069 }
2070
2071 /* CURSOR SETTING AND MARKS AND STUFF */
2072
2073 void
2074 Editor::set_snap_to (SnapType st)
2075 {
2076         snap_type = st;
2077         vector<string> txt = internationalize (snap_type_strings);
2078         snap_type_selector.set_active_text (txt[(int)st]);
2079
2080         instant_save ();
2081
2082         switch (snap_type) {
2083         case SnapToAThirtysecondBeat:
2084         case SnapToASixteenthBeat:
2085         case SnapToAEighthBeat:
2086         case SnapToAQuarterBeat:
2087         case SnapToAThirdBeat:
2088                 update_tempo_based_rulers ();
2089         default:
2090                 /* relax */
2091                 break;
2092     }
2093 }
2094
2095 void
2096 Editor::set_snap_mode (SnapMode mode)
2097 {
2098         snap_mode = mode;
2099         vector<string> txt = internationalize (snap_mode_strings);
2100         snap_mode_selector.set_active_text (txt[(int)mode]);
2101
2102         instant_save ();
2103 }
2104
2105 int
2106 Editor::set_state (const XMLNode& node)
2107 {
2108         const XMLProperty* prop;
2109         XMLNode* geometry;
2110         int x, y, xoff, yoff;
2111         Gdk::Geometry g;
2112
2113
2114         if ((geometry = find_named_node (node, "geometry")) == 0) {
2115
2116                 g.base_width = default_width;
2117                 g.base_height = default_height;
2118                 x = 1;
2119                 y = 1;
2120                 xoff = 0;
2121                 yoff = 21;
2122
2123         } else {
2124
2125                 g.base_width = atoi(geometry->property("x_size")->value());
2126                 g.base_height = atoi(geometry->property("y_size")->value());
2127                 x = atoi(geometry->property("x_pos")->value());
2128                 y = atoi(geometry->property("y_pos")->value());
2129                 xoff = atoi(geometry->property("x_off")->value());
2130                 yoff = atoi(geometry->property("y_off")->value());
2131         }
2132
2133         set_default_size (g.base_width, g.base_height);
2134         move (x, y);
2135
2136         if ((prop = node.property ("zoom-focus"))) {
2137                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2138         }
2139
2140         if ((prop = node.property ("zoom"))) {
2141                 set_frames_per_unit (PBD::atof (prop->value()));
2142         }
2143
2144         if ((prop = node.property ("snap-to"))) {
2145                 set_snap_to ((SnapType) atoi (prop->value()));
2146         }
2147
2148         if ((prop = node.property ("snap-mode"))) {
2149                 set_snap_mode ((SnapMode) atoi (prop->value()));
2150         }
2151
2152         if ((prop = node.property ("mouse-mode"))) {
2153                 MouseMode m = str2mousemode(prop->value());
2154                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2155                 set_mouse_mode (m, true);
2156         } else {
2157                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2158                 set_mouse_mode (MouseObject, true);
2159         }
2160
2161         if ((prop = node.property ("show-waveforms"))) {
2162                 bool yn = (prop->value() == "yes");
2163                 _show_waveforms = !yn;
2164                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
2165                 if (act) {
2166                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2167                         /* do it twice to force the change */
2168                         tact->set_active (!yn);
2169                         tact->set_active (yn);
2170                 }
2171         }
2172
2173         if ((prop = node.property ("show-waveforms-recording"))) {
2174                 bool yn = (prop->value() == "yes");
2175                 _show_waveforms_recording = !yn;
2176                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2177                 if (act) {
2178                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2179                         /* do it twice to force the change */
2180                         tact->set_active (!yn);
2181                         tact->set_active (yn);
2182                 }
2183         }
2184         
2185         if ((prop = node.property ("show-measures"))) {
2186                 bool yn = (prop->value() == "yes");
2187                 _show_measures = !yn;
2188                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2189                 if (act) {
2190                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2191                         /* do it twice to force the change */
2192                         tact->set_active (!yn);
2193                         tact->set_active (yn);
2194                 }
2195         }
2196
2197         if ((prop = node.property ("follow-playhead"))) {
2198                 bool yn = (prop->value() == "yes");
2199                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2200                 if (act) {
2201                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2202                         /* do it twice to force the change */
2203                         tact->set_active (!yn);
2204                         tact->set_active (yn);
2205                 }
2206         }
2207
2208
2209         if ((prop = node.property ("region-list-sort-type"))) {
2210                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change 
2211                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2212         }
2213
2214         if ((prop = node.property ("xfades-visible"))) {
2215                 bool yn = (prop->value() == "yes");
2216                 _xfade_visibility = !yn;
2217                 // set_xfade_visibility (yn);
2218         }
2219
2220         if ((prop = node.property ("show-editor-mixer"))) {
2221
2222                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2223                 if (act) {
2224                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2225                         bool yn = (prop->value() == X_("yes"));
2226
2227                         /* do it twice to force the change */
2228                         
2229                         tact->set_active (!yn);
2230                         tact->set_active (yn);
2231                 }
2232         }
2233
2234
2235         return 0;
2236 }
2237
2238 XMLNode&
2239 Editor::get_state ()
2240 {
2241         XMLNode* node = new XMLNode ("Editor");
2242         char buf[32];
2243
2244         if (is_realized()) {
2245                 Glib::RefPtr<Gdk::Window> win = get_window();
2246                 
2247                 int x, y, xoff, yoff, width, height;
2248                 win->get_root_origin(x, y);
2249                 win->get_position(xoff, yoff);
2250                 win->get_size(width, height);
2251                 
2252                 XMLNode* geometry = new XMLNode ("geometry");
2253                 char buf[32];
2254                 snprintf(buf, sizeof(buf), "%d", width);
2255                 geometry->add_property("x_size", string(buf));
2256                 snprintf(buf, sizeof(buf), "%d", height);
2257                 geometry->add_property("y_size", string(buf));
2258                 snprintf(buf, sizeof(buf), "%d", x);
2259                 geometry->add_property("x_pos", string(buf));
2260                 snprintf(buf, sizeof(buf), "%d", y);
2261                 geometry->add_property("y_pos", string(buf));
2262                 snprintf(buf, sizeof(buf), "%d", xoff);
2263                 geometry->add_property("x_off", string(buf));
2264                 snprintf(buf, sizeof(buf), "%d", yoff);
2265                 geometry->add_property("y_off", string(buf));
2266                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2267                 geometry->add_property("edit_pane_pos", string(buf));
2268
2269                 node->add_child_nocopy (*geometry);
2270         }
2271
2272         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2273         node->add_property ("zoom-focus", buf);
2274         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2275         node->add_property ("zoom", buf);
2276         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2277         node->add_property ("snap-to", buf);
2278         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2279         node->add_property ("snap-mode", buf);
2280
2281         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2282         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2283         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2284         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2285         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2286         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2287         node->add_property ("mouse-mode", enum2str(mouse_mode));
2288         
2289         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2290         if (act) {
2291                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2292                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2293         }
2294
2295         return *node;
2296 }
2297
2298
2299
2300 TimeAxisView *
2301 Editor::trackview_by_y_position (double y)
2302 {
2303         TrackViewList::iterator iter;
2304         TimeAxisView *tv;
2305
2306         for (iter = track_views.begin(); iter != track_views.end(); ++iter) {
2307
2308                 tv = *iter;
2309
2310                 if (tv->hidden()) {
2311                         continue;
2312                 }
2313
2314                 if (tv->y_position <= y && y < ((tv->y_position + tv->height + track_spacing))) {
2315                         return tv;
2316                 }
2317         }
2318
2319         return 0;
2320 }
2321
2322 void
2323 Editor::snap_to (jack_nframes_t& start, int32_t direction, bool for_mark)
2324 {
2325         Location* before = 0;
2326         Location* after = 0;
2327
2328         if (!session) {
2329                 return;
2330         }
2331
2332         const jack_nframes_t one_second = session->frame_rate();
2333         const jack_nframes_t one_minute = session->frame_rate() * 60;
2334
2335         jack_nframes_t presnap = start;
2336
2337         switch (snap_type) {
2338         case SnapToFrame:
2339                 break;
2340
2341         case SnapToCDFrame:
2342                 if (direction) {
2343                         start = (jack_nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2344                 } else {
2345                         start = (jack_nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2346                 }
2347                 break;
2348         case SnapToSMPTEFrame:
2349                 if (direction) {
2350                         start = (jack_nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2351                 } else {
2352                         start = (jack_nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2353                 }
2354                 break;
2355
2356         case SnapToSMPTESeconds:
2357                 if (session->smpte_offset_negative())
2358                 {
2359                         start += session->smpte_offset ();
2360                 } else {
2361                         start -= session->smpte_offset ();
2362                 }    
2363                 if (direction > 0) {
2364                         start = (jack_nframes_t) ceil ((double) start / one_second) * one_second;
2365                 } else {
2366                         start = (jack_nframes_t) floor ((double) start / one_second) * one_second;
2367                 }
2368                 
2369                 if (session->smpte_offset_negative())
2370                 {
2371                         start -= session->smpte_offset ();
2372                 } else {
2373                         start += session->smpte_offset ();
2374                 }
2375                 break;
2376                 
2377         case SnapToSMPTEMinutes:
2378                 if (session->smpte_offset_negative())
2379                 {
2380                         start += session->smpte_offset ();
2381                 } else {
2382                         start -= session->smpte_offset ();
2383                 }
2384                 if (direction) {
2385                         start = (jack_nframes_t) ceil ((double) start / one_minute) * one_minute;
2386                 } else {
2387                         start = (jack_nframes_t) floor ((double) start / one_minute) * one_minute;
2388                 }
2389                 if (session->smpte_offset_negative())
2390                 {
2391                         start -= session->smpte_offset ();
2392                 } else {
2393                         start += session->smpte_offset ();
2394                 }
2395                 break;
2396                 
2397         case SnapToSeconds:
2398                 if (direction) {
2399                         start = (jack_nframes_t) ceil ((double) start / one_second) * one_second;
2400                 } else {
2401                         start = (jack_nframes_t) floor ((double) start / one_second) * one_second;
2402                 }
2403                 break;
2404                 
2405         case SnapToMinutes:
2406                 if (direction) {
2407                         start = (jack_nframes_t) ceil ((double) start / one_minute) * one_minute;
2408                 } else {
2409                         start = (jack_nframes_t) floor ((double) start / one_minute) * one_minute;
2410                 }
2411                 break;
2412
2413         case SnapToBar:
2414                 start = session->tempo_map().round_to_bar (start, direction);
2415                 break;
2416
2417         case SnapToBeat:
2418                 start = session->tempo_map().round_to_beat (start, direction);
2419                 break;
2420
2421         case SnapToAThirtysecondBeat:
2422                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2423                 break;
2424
2425         case SnapToASixteenthBeat:
2426                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2427                 break;
2428
2429         case SnapToAEighthBeat:
2430                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2431                 break;
2432
2433         case SnapToAQuarterBeat:
2434                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2435                 break;
2436
2437         case SnapToAThirdBeat:
2438                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2439                 break;
2440
2441         case SnapToEditCursor:
2442                 start = edit_cursor->current_frame;
2443                 break;
2444
2445         case SnapToMark:
2446                 if (for_mark) {
2447                         return;
2448                 }
2449
2450                 before = session->locations()->first_location_before (start);
2451                 after = session->locations()->first_location_after (start);
2452
2453                 if (direction < 0) {
2454                         if (before) {
2455                                 start = before->start();
2456                         } else {
2457                                 start = 0;
2458                         }
2459                 } else if (direction > 0) {
2460                         if (after) {
2461                                 start = after->start();
2462                         } else {
2463                                 start = session->current_end_frame();
2464                         }
2465                 } else {
2466                         if (before) {
2467                                 if (after) {
2468                                         /* find nearest of the two */
2469                                         if ((start - before->start()) < (after->start() - start)) {
2470                                                 start = before->start();
2471                                         } else {
2472                                                 start = after->start();
2473                                         }
2474                                 } else {
2475                                         start = before->start();
2476                                 }
2477                         } else if (after) {
2478                                 start = after->start();
2479                         } else {
2480                                 /* relax */
2481                         }
2482                 }
2483                 break;
2484
2485         case SnapToRegionStart:
2486         case SnapToRegionEnd:
2487         case SnapToRegionSync:
2488         case SnapToRegionBoundary:
2489                 if (!region_boundary_cache.empty()) {
2490                         vector<jack_nframes_t>::iterator i;
2491
2492                         if (direction > 0) {
2493                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2494                         } else {
2495                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2496                         }
2497                         
2498                         if (i != region_boundary_cache.end()) {
2499                                 start = *i;
2500                         } else {
2501                                 start = region_boundary_cache.back();
2502                         }
2503                 }
2504                 break;
2505         }
2506
2507         switch (snap_mode) {
2508         case SnapNormal:
2509                 return;                 
2510                 
2511         case SnapMagnetic:
2512                 
2513                 if (presnap > start) {
2514                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2515                                 start = presnap;
2516                         }
2517                         
2518                 } else if (presnap < start) {
2519                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2520                                 start = presnap;
2521                         }
2522                 }
2523                 
2524         default:
2525                 return;
2526                 
2527         }
2528 }
2529
2530 void
2531 Editor::setup_toolbar ()
2532 {
2533         string pixmap_path;
2534
2535         const guint32 FUDGE = 18; // Combo's are stupid - they steal space from the entry for the button
2536
2537
2538         /* Mode Buttons (tool selection) */
2539
2540         vector<ToggleButton *> mouse_mode_buttons;
2541
2542         mouse_move_button.add (*(manage (new Image (get_xpm("tool_object.xpm")))));
2543         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2544         mouse_mode_buttons.push_back (&mouse_move_button);
2545         mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2546         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2547         mouse_mode_buttons.push_back (&mouse_select_button);
2548         mouse_gain_button.add (*(manage (new Image (get_xpm("tool_gain.xpm")))));
2549         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2550         mouse_mode_buttons.push_back (&mouse_gain_button);
2551         mouse_zoom_button.add (*(manage (new Image (get_xpm("tool_zoom.xpm")))));
2552         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2553         mouse_mode_buttons.push_back (&mouse_zoom_button);
2554         mouse_timefx_button.add (*(manage (new Image (get_xpm("tool_stretch.xpm")))));
2555         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2556         mouse_mode_buttons.push_back (&mouse_timefx_button);
2557         mouse_audition_button.add (*(manage (new Image (get_xpm("tool_audition.xpm")))));
2558         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2559         mouse_mode_buttons.push_back (&mouse_audition_button);
2560         
2561         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2562
2563         HBox* mode_box = manage(new HBox);
2564         mode_box->set_border_width (2);
2565         mode_box->set_spacing(4);
2566         mouse_mode_button_box.set_spacing(1);
2567         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2568         mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2569         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2570         mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2571         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2572         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2573         mouse_mode_button_box.set_homogeneous(true);
2574
2575         edit_mode_selector.set_name ("EditModeSelector");
2576         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, "Splice Edit", 2+FUDGE, 10);
2577         set_popdown_strings (edit_mode_selector, internationalize (edit_mode_strings));
2578         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2579
2580         mode_box->pack_start(edit_mode_selector);
2581         mode_box->pack_start(mouse_mode_button_box);
2582         
2583         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2584         mouse_mode_tearoff->set_name ("MouseModeBase");
2585
2586         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2587                                                   &mouse_mode_tearoff->tearoff_window()));
2588         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2589                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2590         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2591                                                   &mouse_mode_tearoff->tearoff_window()));
2592         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2593                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2594
2595         mouse_move_button.set_name ("MouseModeButton");
2596         mouse_select_button.set_name ("MouseModeButton");
2597         mouse_gain_button.set_name ("MouseModeButton");
2598         mouse_zoom_button.set_name ("MouseModeButton");
2599         mouse_timefx_button.set_name ("MouseModeButton");
2600         mouse_audition_button.set_name ("MouseModeButton");
2601
2602         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
2603         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
2604         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
2605         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
2606         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2607         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2608
2609         mouse_move_button.unset_flags (CAN_FOCUS);
2610         mouse_select_button.unset_flags (CAN_FOCUS);
2611         mouse_gain_button.unset_flags (CAN_FOCUS);
2612         mouse_zoom_button.unset_flags (CAN_FOCUS);
2613         mouse_timefx_button.unset_flags (CAN_FOCUS);
2614         mouse_audition_button.unset_flags (CAN_FOCUS);
2615
2616         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2617         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2618
2619         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2620         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2621         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2622         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2623         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2624
2625         // mouse_move_button.set_active (true);
2626         
2627
2628         /* Zoom */
2629         
2630         zoom_box.set_spacing (1);
2631         zoom_box.set_border_width (2);
2632
2633         zoom_in_button.set_name ("EditorTimeButton");
2634         zoom_in_button.add (*(manage (new Image (get_xpm("zoom_in.xpm")))));
2635         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2636         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2637         
2638         zoom_out_button.set_name ("EditorTimeButton");
2639         zoom_out_button.add (*(manage (new Image (get_xpm("zoom_out.xpm")))));
2640         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2641         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2642
2643         zoom_out_full_button.set_name ("EditorTimeButton");
2644         zoom_out_full_button.add (*(manage (new Image (get_xpm("zoom_full.xpm")))));
2645         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2646         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2647         
2648         zoom_box.pack_start (zoom_out_button, false, false);
2649         zoom_box.pack_start (zoom_in_button, false, false);
2650         zoom_box.pack_start (zoom_range_clock, false, false);   
2651         zoom_box.pack_start (zoom_out_full_button, false, false);
2652         
2653         ARDOUR_UI::instance()->tooltips().set_tip (zoom_range_clock, _("Current Zoom Range\n(Width of visible area)"));
2654         
2655         zoom_focus_selector.set_name ("ZoomFocusSelector");
2656         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, "Focus Center", 2+FUDGE, 0);
2657         set_popdown_strings (zoom_focus_selector, internationalize (zoom_focus_strings));
2658         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2659
2660         zoom_box.pack_start (zoom_focus_selector, false, false);
2661
2662
2663         /* Edit Cursor / Snap */
2664
2665         snap_box.set_spacing (1);
2666         snap_box.set_border_width (2);
2667
2668         snap_type_selector.set_name ("SnapTypeSelector");
2669         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, "SMPTE Seconds", 2+FUDGE, 10);
2670         set_popdown_strings (snap_type_selector, internationalize (snap_type_strings));
2671         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2672         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Unit to snap cursors and ranges to"));
2673
2674         snap_mode_selector.set_name ("SnapModeSelector");
2675         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, "Magnetic Snap", 2+FUDGE, 10);
2676         set_popdown_strings (snap_mode_selector, internationalize (snap_mode_strings));
2677         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2678
2679         snap_box.pack_start (edit_cursor_clock, false, false);
2680         snap_box.pack_start (snap_mode_selector, false, false);
2681         snap_box.pack_start (snap_type_selector, false, false);
2682
2683
2684         /* Nudge */
2685
2686         HBox *nudge_box = manage (new HBox);
2687         nudge_box->set_spacing(1);
2688         nudge_box->set_border_width (2);
2689
2690         nudge_forward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_forward), false));
2691         nudge_backward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_backward), false));
2692
2693         nudge_box->pack_start (nudge_backward_button, false, false);
2694         nudge_box->pack_start (nudge_forward_button, false, false);
2695         nudge_box->pack_start (nudge_clock, false, false);
2696
2697
2698         /* Pack everything in... */
2699
2700         HBox* hbox = new HBox;
2701         hbox->set_spacing(10);
2702
2703         tools_tearoff = new TearOff (*hbox);
2704         tools_tearoff->set_name ("MouseModeBase");
2705
2706         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2707                                              &tools_tearoff->tearoff_window()));
2708         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2709                                              &tools_tearoff->tearoff_window(), 0));
2710         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox), 
2711                                              &tools_tearoff->tearoff_window()));
2712         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox), 
2713                                               &tools_tearoff->tearoff_window(), 0));
2714
2715         toolbar_hbox.set_spacing (10);
2716         toolbar_hbox.set_border_width (1);
2717
2718         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2719         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2720
2721         
2722         hbox->pack_start (snap_box, false, false);
2723         hbox->pack_start (zoom_box, false, false); 
2724         hbox->pack_start (*nudge_box, false, false);
2725
2726         hbox->show_all ();
2727         
2728         toolbar_base.set_name ("ToolBarBase");
2729         toolbar_base.add (toolbar_hbox);
2730
2731         toolbar_frame.set_shadow_type (SHADOW_OUT);
2732         toolbar_frame.set_name ("BaseFrame");
2733         toolbar_frame.add (toolbar_base);
2734 }
2735
2736 int
2737 Editor::convert_drop_to_paths (vector<ustring>& paths, 
2738                                const RefPtr<Gdk::DragContext>& context,
2739                                gint                x,
2740                                gint                y,
2741                                const SelectionData& data,
2742                                guint               info,
2743                                guint               time)                               
2744
2745 {       
2746         if (session == 0) {
2747                 return -1;
2748         }
2749
2750         vector<ustring> uris = data.get_uris();
2751
2752         if (uris.empty()) {
2753                 
2754                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
2755                    are actually URI lists. So do it by hand.
2756                 */
2757
2758                 if (data.get_target() != "text/plain") {
2759                         return -1;
2760                 }
2761   
2762                 /* Parse the "uri-list" format that Nautilus provides, 
2763                    where each pathname is delimited by \r\n
2764                 */
2765         
2766                 const char* p = data.get_text().c_str();
2767                 const char* q;
2768
2769                 while (p)
2770                 {
2771                         if (*p != '#')
2772                         {
2773                                 while (g_ascii_isspace (*p))
2774                                         p++;
2775                                 
2776                                 q = p;
2777                                 while (*q && (*q != '\n') && (*q != '\r'))
2778                                         q++;
2779                                 
2780                                 if (q > p)
2781                                 {
2782                                         q--;
2783                                         while (q > p && g_ascii_isspace (*q))
2784                                                 q--;
2785                                         
2786                                         if (q > p)
2787                                         {
2788                                                 uris.push_back (ustring (p, q - p + 1));
2789                                         }
2790                                 }
2791                         }
2792                         p = strchr (p, '\n');
2793                         if (p)
2794                                 p++;
2795                 }
2796
2797                 if (uris.empty()) {
2798                         return -1;
2799                 }
2800         }
2801         
2802         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
2803                 if ((*i).substr (0,7) == "file://") {
2804                         string p = *i;
2805                         PBD::url_decode (p);
2806                         paths.push_back (p.substr (7));
2807                 }
2808         }
2809
2810         return 0;
2811 }
2812
2813 void
2814 Editor::new_tempo_section ()
2815
2816 {
2817 }
2818
2819 void
2820 Editor::map_transport_state ()
2821 {
2822         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
2823
2824         if (session->transport_stopped()) {
2825                 have_pending_keyboard_selection = false;
2826         }
2827 }
2828
2829 /* UNDO/REDO */
2830
2831 Editor::State::State ()
2832 {
2833         selection = new Selection;
2834 }
2835
2836 Editor::State::~State ()
2837 {
2838         delete selection;
2839 }
2840
2841 UndoAction
2842 Editor::get_memento () const
2843 {
2844         State *state = new State;
2845
2846         store_state (*state);
2847         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
2848 }
2849
2850 void
2851 Editor::store_state (State& state) const
2852 {
2853         *state.selection = *selection;
2854 }
2855
2856 void
2857 Editor::restore_state (State *state)
2858 {
2859         if (*selection == *state->selection) {
2860                 return;
2861         }
2862
2863         *selection = *state->selection;
2864         time_selection_changed ();
2865         region_selection_changed ();   
2866
2867         /* XXX other selection change handlers? */
2868 }
2869
2870 void
2871 Editor::begin_reversible_command (string name)
2872 {
2873         if (session) {
2874                 before = &get_state();
2875                 session->begin_reversible_command (name);
2876         }
2877 }
2878
2879 void
2880 Editor::commit_reversible_command ()
2881 {
2882         if (session) {
2883                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
2884         }
2885 }
2886
2887 bool
2888 Editor::set_selected_track_from_click (bool press, Selection::Operation op, bool with_undo, bool no_remove)
2889 {
2890         bool commit = false;
2891
2892         if (!clicked_trackview) {
2893                 return false;
2894         }
2895
2896         switch (op) {
2897         case Selection::Toggle:
2898                 if (selection->selected (clicked_trackview)) {
2899                         if (!no_remove) {
2900                                 selection->remove (clicked_trackview);
2901                                 commit = true;
2902                         }
2903                 } else {
2904                         selection->add (clicked_trackview);
2905                         commit = false;
2906                 }
2907                 break;
2908
2909         case Selection::Set:
2910                 if (selection->selected (clicked_trackview) && selection->tracks.size() == 1) {
2911                         /* no commit necessary */
2912                 } 
2913
2914                 selection->set (clicked_trackview);
2915                 break;
2916                 
2917         case Selection::Extend:
2918                 /* not defined yet */
2919                 break;
2920         }
2921
2922         return commit;
2923 }
2924
2925 bool
2926 Editor::set_selected_control_point_from_click (bool press, Selection::Operation op, bool with_undo, bool no_remove)
2927 {
2928         if (!clicked_control_point) {
2929                 return false;
2930         }
2931
2932         /* select this point and any others that it represents */
2933
2934         double y1, y2;
2935         jack_nframes_t x1, x2;
2936
2937         x1 = pixel_to_frame (clicked_control_point->get_x() - 10);
2938         x2 = pixel_to_frame (clicked_control_point->get_x() + 10);
2939         y1 = clicked_control_point->get_x() - 10;
2940         y2 = clicked_control_point->get_y() + 10;
2941
2942         return select_all_within (x1, x2, y1, y2, op);
2943 }
2944
2945 void
2946 Editor::get_relevant_audio_tracks (AudioTimeAxisView& base, set<AudioTimeAxisView*>& relevant_tracks)
2947 {
2948         /* step one: get all selected tracks and all tracks in the relevant edit groups */
2949
2950         for (TrackSelection::iterator ti = selection->tracks.begin(); ti != selection->tracks.end(); ++ti) {
2951
2952                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*ti);
2953
2954                 if (!atv) {
2955                         continue;
2956                 }
2957
2958                 RouteGroup* group = atv->route()->edit_group();
2959
2960                 if (group && group->is_active()) {
2961                         
2962                         /* active group for this track, loop over all tracks and get every member of the group */
2963
2964                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
2965                                 
2966                                 AudioTimeAxisView* tatv;
2967                                 
2968                                 if ((tatv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
2969                                         
2970                                         if (tatv->route()->edit_group() == group) {
2971                                                 relevant_tracks.insert (tatv);
2972                                         }
2973                                 }
2974                         }
2975
2976                 } else {
2977
2978                         /* no active group, or no group */
2979
2980                         relevant_tracks.insert (&base);
2981                 }
2982
2983         }
2984 }
2985
2986 void
2987 Editor::mapover_audio_tracks (slot<void,AudioTimeAxisView&,uint32_t> sl)
2988 {
2989         set<AudioTimeAxisView*> relevant_tracks;
2990
2991         if (!clicked_audio_trackview) {
2992                 return;
2993         }
2994
2995         get_relevant_audio_tracks (*clicked_audio_trackview, relevant_tracks);
2996
2997         uint32_t sz = relevant_tracks.size();
2998         
2999         for (set<AudioTimeAxisView*>::iterator ati = relevant_tracks.begin(); ati != relevant_tracks.end(); ++ati) {
3000                 sl (**ati, sz);
3001         }
3002 }
3003
3004 void
3005 Editor::mapped_set_selected_regionview_from_click (RouteTimeAxisView& tv, uint32_t ignored, 
3006                                                    RegionView* basis, vector<RegionView*>* all_equivs)
3007 {
3008         Playlist* pl;
3009         vector<boost::shared_ptr<Region> > results;
3010         RegionView* marv;
3011         boost::shared_ptr<Diskstream> ds;
3012
3013         if ((ds = tv.get_diskstream()) == 0) {
3014                 /* bus */
3015                 return;
3016         }
3017
3018         if (&tv == &basis->get_time_axis_view()) {
3019                 /* looking in same track as the original */
3020                 return;
3021         }
3022
3023         
3024         if ((pl = dynamic_cast<Playlist*>(ds->playlist())) != 0) {
3025                 pl->get_equivalent_regions (basis->region(), results);
3026         }
3027         
3028         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
3029                 if ((marv = tv.view()->find_view (*ir)) != 0) {
3030                         all_equivs->push_back (marv);
3031                 }
3032         }
3033 }
3034
3035 bool
3036 Editor::set_selected_regionview_from_click (bool press, Selection::Operation op, bool no_track_remove)
3037 {
3038         vector<RegionView*> all_equivalent_regions;
3039         bool commit = false;
3040
3041         if (!clicked_regionview || !clicked_audio_trackview) {
3042                 return false;
3043         }
3044
3045         if (op == Selection::Toggle || op == Selection::Set) {
3046                 
3047                 mapover_audio_tracks (bind (mem_fun (*this, &Editor::mapped_set_selected_regionview_from_click), 
3048                                             clicked_regionview, &all_equivalent_regions));
3049                 
3050                 
3051                 /* add clicked regionview since we skipped all other regions in the same track as the one it was in */
3052                 
3053                 all_equivalent_regions.push_back (clicked_regionview);
3054                 
3055                 switch (op) {
3056                 case Selection::Toggle:
3057                         
3058                         if (clicked_regionview->get_selected()) {
3059                                 if (press) {
3060
3061                                         /* whatever was clicked was selected already; do nothing here but allow
3062                                            the button release to deselect it
3063                                         */
3064
3065                                         button_release_can_deselect = true;
3066
3067                                 } else {
3068
3069                                         if (button_release_can_deselect) {
3070
3071                                                 /* just remove this one region, but only on a permitted button release */
3072
3073                                                 selection->remove (clicked_regionview);
3074                                                 commit = true;
3075
3076                                                 /* no more deselect action on button release till a new press
3077                                                    finds an already selected object.
3078                                                 */
3079
3080                                                 button_release_can_deselect = false;
3081                                         }
3082                                 } 
3083
3084                         } else {
3085
3086                                 if (press) {
3087                                         /* add all the equivalent regions, but only on button press */
3088                                         
3089                                         if (!all_equivalent_regions.empty()) {
3090                                                 commit = true;
3091                                         }
3092                                         
3093                                         for (vector<RegionView*>::iterator i = all_equivalent_regions.begin(); i != all_equivalent_regions.end(); ++i) {
3094                                                 selection->add (*i);
3095                                         }
3096                                 } 
3097                         }
3098                         break;
3099                         
3100                 case Selection::Set:
3101                         if (!clicked_regionview->get_selected()) {
3102                                 selection->set (all_equivalent_regions);
3103                                 commit = true;
3104                         } else {
3105                                 /* no commit necessary: clicked on an already selected region */
3106                                 goto out;
3107                         }
3108                         break;
3109
3110                 default:
3111                         /* silly compiler */
3112                         break;
3113                 }
3114
3115         } else if (op == Selection::Extend) {
3116
3117                 list<Selectable*> results;
3118                 jack_nframes_t last_frame;
3119                 jack_nframes_t first_frame;
3120
3121                 /* 1. find the last selected regionview in the track that was clicked in */
3122
3123                 last_frame = 0;
3124                 first_frame = max_frames;
3125
3126                 for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
3127                         if (&(*x)->get_time_axis_view() == &clicked_regionview->get_time_axis_view()) {
3128
3129                                 if ((*x)->region()->last_frame() > last_frame) {
3130                                         last_frame = (*x)->region()->last_frame();
3131                                 }
3132
3133                                 if ((*x)->region()->first_frame() < first_frame) {
3134                                         first_frame = (*x)->region()->first_frame();
3135                                 }
3136                         }
3137                 }
3138
3139                 /* 2. figure out the boundaries for our search for new objects */
3140
3141                 switch (clicked_regionview->region()->coverage (first_frame, last_frame)) {
3142                 case OverlapNone:
3143                         cerr << "no overlap, first = " << first_frame << " last = " << last_frame << " region = " 
3144                              << clicked_regionview->region()->first_frame() << " .. " << clicked_regionview->region()->last_frame() << endl;
3145
3146                         if (last_frame < clicked_regionview->region()->first_frame()) {
3147                                 first_frame = last_frame;
3148                                 last_frame = clicked_regionview->region()->last_frame();
3149                         } else {
3150                                 last_frame = first_frame;
3151                                 first_frame = clicked_regionview->region()->first_frame();
3152                         }
3153                         break;
3154
3155                 case OverlapExternal:
3156                         cerr << "external overlap, first = " << first_frame << " last = " << last_frame << " region = " 
3157                              << clicked_regionview->region()->first_frame() << " .. " << clicked_regionview->region()->last_frame() << endl;
3158
3159                         if (last_frame < clicked_regionview->region()->first_frame()) {
3160                                 first_frame = last_frame;
3161                                 last_frame = clicked_regionview->region()->last_frame();
3162                         } else {
3163                                 last_frame = first_frame;
3164                                 first_frame = clicked_regionview->region()->first_frame();
3165                         }
3166                         break;
3167
3168                 case OverlapInternal:
3169                         cerr << "internal overlap, first = " << first_frame << " last = " << last_frame << " region = " 
3170                              << clicked_regionview->region()->first_frame() << " .. " << clicked_regionview->region()->last_frame() << endl;
3171
3172                         if (last_frame < clicked_regionview->region()->first_frame()) {
3173                                 first_frame = last_frame;
3174                                 last_frame = clicked_regionview->region()->last_frame();
3175                         } else {
3176                                 last_frame = first_frame;
3177                                 first_frame = clicked_regionview->region()->first_frame();
3178                         }
3179                         break;
3180
3181                 case OverlapStart:
3182                 case OverlapEnd:
3183                         /* nothing to do except add clicked region to selection, since it
3184                            overlaps with the existing selection in this track.
3185                         */
3186                         break;
3187                 }
3188
3189                 /* 2. find all selectable objects (regionviews in this case) between that one and the end of the
3190                       one that was clicked.
3191                 */
3192
3193                 set<AudioTimeAxisView*> relevant_tracks;
3194                 
3195                 get_relevant_audio_tracks (*clicked_audio_trackview, relevant_tracks);
3196                 
3197                 for (set<AudioTimeAxisView*>::iterator t = relevant_tracks.begin(); t != relevant_tracks.end(); ++t) {
3198                         (*t)->get_selectables (first_frame, last_frame, -1.0, -1.0, results);
3199                 }
3200                 
3201                 /* 3. convert to a vector of audio regions */
3202
3203                 vector<RegionView*> regions;
3204                 
3205                 for (list<Selectable*>::iterator x = results.begin(); x != results.end(); ++x) {
3206                         RegionView* arv;
3207
3208                         if ((arv = dynamic_cast<RegionView*>(*x)) != 0) {
3209                                 regions.push_back (arv);
3210                         }
3211                 }
3212
3213                 if (!regions.empty()) {
3214                         selection->add (regions);
3215                         commit = true;
3216                 }
3217         }
3218
3219   out:
3220         return commit;
3221 }
3222
3223 void
3224 Editor::set_selected_regionview_from_region_list (boost::shared_ptr<Region> region, Selection::Operation op)
3225 {
3226         vector<RegionView*> all_equivalent_regions;
3227
3228         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3229                 
3230                 RouteTimeAxisView* tatv;
3231                 
3232                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
3233                         
3234                         Playlist* pl;
3235                         vector<boost::shared_ptr<Region> > results;
3236                         RegionView* marv;
3237                         boost::shared_ptr<Diskstream> ds;
3238                         
3239                         if ((ds = tatv->get_diskstream()) == 0) {
3240                                 /* bus */
3241                                 continue;
3242                         }
3243
3244                         if ((pl = dynamic_cast<Playlist*>(ds->playlist())) != 0) {
3245                                 pl->get_region_list_equivalent_regions (region, results);
3246                         }
3247                         
3248                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
3249                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
3250                                         all_equivalent_regions.push_back (marv);
3251                                 }
3252                         }
3253                         
3254                 }
3255         }
3256         
3257         begin_reversible_command (_("set selected regions"));
3258         
3259         switch (op) {
3260         case Selection::Toggle:
3261                 /* XXX this is not correct */
3262                 selection->toggle (all_equivalent_regions);
3263                 break;
3264         case Selection::Set:
3265                 selection->set (all_equivalent_regions);
3266                 break;
3267         case Selection::Extend:
3268                 selection->add (all_equivalent_regions);
3269                 break;
3270         }
3271
3272         commit_reversible_command () ;
3273 }
3274
3275 bool
3276 Editor::set_selected_regionview_from_map_event (GdkEventAny* ev, StreamView* sv, boost::shared_ptr<Region> r)
3277 {
3278         RegionView* rv;
3279         boost::shared_ptr<AudioRegion> ar;
3280
3281         if ((ar = boost::dynamic_pointer_cast<AudioRegion> (r)) == 0) {
3282                 return true;
3283         }
3284
3285         if ((rv = sv->find_view (ar)) == 0) {
3286                 return true;
3287         }
3288
3289         /* don't reset the selection if its something other than 
3290            a single other region.
3291         */
3292
3293         if (selection->regions.size() > 1) {
3294                 return true;
3295         }
3296         
3297         begin_reversible_command (_("set selected regions"));
3298         
3299         selection->set (rv);
3300
3301         commit_reversible_command () ;
3302
3303         return true;
3304 }
3305
3306 void
3307 Editor::set_edit_group_solo (Route& route, bool yn)
3308 {
3309         RouteGroup *edit_group;
3310
3311         if ((edit_group = route.edit_group()) != 0) {
3312                 edit_group->apply (&Route::set_solo, yn, this);
3313         } else {
3314                 route.set_solo (yn, this);
3315         }
3316 }
3317
3318 void
3319 Editor::set_edit_group_mute (Route& route, bool yn)
3320 {
3321         RouteGroup *edit_group = 0;
3322
3323         if ((edit_group == route.edit_group()) != 0) {
3324                 edit_group->apply (&Route::set_mute, yn, this);
3325         } else {
3326                 route.set_mute (yn, this);
3327         }
3328 }
3329                 
3330 void
3331 Editor::set_edit_menu (Menu& menu)
3332 {
3333         edit_menu = &menu;
3334         edit_menu->signal_map_event().connect (mem_fun(*this, &Editor::edit_menu_map_handler));
3335 }
3336
3337 bool
3338 Editor::edit_menu_map_handler (GdkEventAny* ev)
3339 {
3340         using namespace Menu_Helpers;
3341         MenuList& edit_items = edit_menu->items();
3342         string label;
3343
3344         /* Nuke all the old items */
3345                 
3346         edit_items.clear ();
3347
3348         if (session == 0) {
3349                 return false;
3350         }
3351
3352         if (session->undo_depth() == 0) {
3353                 label = _("Undo");
3354         } else {
3355                 label = string_compose(_("Undo (%1)"), session->next_undo());
3356         }
3357         
3358         edit_items.push_back (MenuElem (label, bind (mem_fun(*this, &Editor::undo), 1U)));
3359         
3360         if (session->undo_depth() == 0) {
3361                 edit_items.back().set_sensitive (false);
3362         }
3363         
3364         if (session->redo_depth() == 0) {
3365                 label = _("Redo");
3366         } else {
3367                 label = string_compose(_("Redo (%1)"), session->next_redo());
3368         }
3369         
3370         edit_items.push_back (MenuElem (label, bind (mem_fun(*this, &Editor::redo), 1U)));
3371         if (session->redo_depth() == 0) {
3372                 edit_items.back().set_sensitive (false);
3373         }
3374
3375         vector<MenuItem*> mitems;
3376
3377         edit_items.push_back (SeparatorElem());
3378         edit_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
3379         mitems.push_back (&edit_items.back());
3380         edit_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
3381         mitems.push_back (&edit_items.back());
3382         edit_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
3383         mitems.push_back (&edit_items.back());
3384         edit_items.push_back (SeparatorElem());
3385         edit_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
3386         mitems.push_back (&edit_items.back());
3387         edit_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
3388         mitems.push_back (&edit_items.back());
3389         edit_items.push_back (SeparatorElem());
3390
3391         if (selection->empty()) {
3392                 for (vector<MenuItem*>::iterator i = mitems.begin(); i != mitems.end(); ++i) {
3393                         (*i)->set_sensitive (false);
3394                 }
3395         }
3396
3397         Menu* import_menu = manage (new Menu());
3398         import_menu->set_name ("ArdourContextMenu");
3399         MenuList& import_items = import_menu->items();
3400         
3401         import_items.push_back (MenuElem (_("... as new track"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportAsTrack)));
3402         import_items.push_back (MenuElem (_("... as new region"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportAsRegion)));
3403
3404         edit_items.push_back (MenuElem (_("Import audio (copy)"), *import_menu));
3405         edit_items.push_back (SeparatorElem());
3406
3407         edit_items.push_back (MenuElem (_("Remove last capture"), mem_fun(*this, &Editor::remove_last_capture)));
3408
3409         if (!session->have_captured()) {
3410                 edit_items.back().set_sensitive (false);
3411         }
3412
3413         return false;
3414 }
3415
3416 void
3417 Editor::duplicate_dialog (bool dup_region)
3418 {
3419         if (dup_region) {
3420                 if (clicked_regionview == 0) {
3421                         return;
3422                 }
3423         } else {
3424                 if (selection->time.length() == 0) {
3425                         return;
3426                 }
3427         }
3428
3429         ArdourDialog win ("duplicate dialog");
3430         Entry  entry;
3431         Label  label (_("Duplicate how many times?"));
3432
3433         win.get_vbox()->pack_start (label);
3434         win.add_action_widget (entry, RESPONSE_ACCEPT);
3435         win.add_button (Stock::OK, RESPONSE_ACCEPT);
3436         win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3437
3438         win.set_position (WIN_POS_MOUSE);
3439
3440         entry.set_text ("1");
3441         set_size_request_to_display_given_text (entry, X_("12345678"), 20, 15);
3442         entry.select_region (0, entry.get_text_length());
3443         entry.grab_focus ();
3444
3445
3446         switch (win.run ()) {
3447         case RESPONSE_ACCEPT:
3448                 break;
3449         default:
3450                 return;
3451         }
3452
3453         string text = entry.get_text();
3454         float times;
3455
3456         if (sscanf (text.c_str(), "%f", &times) == 1) {
3457                 if (dup_region) {
3458                         RegionSelection regions;
3459                         regions.add (clicked_regionview);
3460                         duplicate_some_regions (regions, times);
3461                 } else {
3462                         duplicate_selection (times);
3463                 }
3464         }
3465 }
3466
3467 void
3468 Editor::show_verbose_canvas_cursor ()
3469 {
3470         verbose_canvas_cursor->raise_to_top();
3471         verbose_canvas_cursor->show();
3472         verbose_cursor_visible = true;
3473 }
3474
3475 void
3476 Editor::hide_verbose_canvas_cursor ()
3477 {
3478         verbose_canvas_cursor->hide();
3479         verbose_cursor_visible = false;
3480 }
3481
3482 void
3483 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3484 {
3485         /* XXX get origin of canvas relative to root window,
3486            add x and y and check compared to gdk_screen_{width,height}
3487         */
3488         verbose_canvas_cursor->property_text() = txt.c_str();
3489         verbose_canvas_cursor->property_x() = x;
3490         verbose_canvas_cursor->property_y() = y;
3491 }
3492
3493 void
3494 Editor::set_verbose_canvas_cursor_text (const string & txt)
3495 {
3496         verbose_canvas_cursor->property_text() = txt.c_str();
3497 }
3498
3499 void
3500 Editor::edit_mode_selection_done ()
3501 {
3502         if (session == 0) {
3503                 return;
3504         }
3505
3506         string choice = edit_mode_selector.get_active_text();
3507         EditMode mode = Slide;
3508
3509         if (choice == _("Splice Edit")) {
3510                 mode = Splice;
3511         } else if (choice == _("Slide Edit")) {
3512                 mode = Slide;
3513         }
3514
3515         session->set_edit_mode (mode);
3516 }       
3517
3518 void
3519 Editor::snap_type_selection_done ()
3520 {
3521         if (session == 0) {
3522                 return;
3523         }
3524
3525         string choice = snap_type_selector.get_active_text();
3526         SnapType snaptype = SnapToFrame;
3527
3528         if (choice == _("Beats/3")) {
3529                 snaptype = SnapToAThirdBeat;
3530         } else if (choice == _("Beats/4")) {
3531                 snaptype = SnapToAQuarterBeat;
3532         } else if (choice == _("Beats/8")) {
3533                 snaptype = SnapToAEighthBeat;
3534         } else if (choice == _("Beats/16")) {
3535                 snaptype = SnapToASixteenthBeat;
3536         } else if (choice == _("Beats/32")) {
3537                 snaptype = SnapToAThirtysecondBeat;
3538         } else if (choice == _("Beats")) {
3539                 snaptype = SnapToBeat;
3540         } else if (choice == _("Bars")) {
3541                 snaptype = SnapToBar;
3542         } else if (choice == _("Marks")) {
3543                 snaptype = SnapToMark;
3544         } else if (choice == _("Edit Cursor")) {
3545                 snaptype = SnapToEditCursor;
3546         } else if (choice == _("Region starts")) {
3547                 snaptype = SnapToRegionStart;
3548         } else if (choice == _("Region ends")) {
3549                 snaptype = SnapToRegionEnd;
3550         } else if (choice == _("Region bounds")) {
3551                 snaptype = SnapToRegionBoundary;
3552         } else if (choice == _("Region syncs")) {
3553                 snaptype = SnapToRegionSync;
3554         } else if (choice == _("CD Frames")) {
3555                 snaptype = SnapToCDFrame;
3556         } else if (choice == _("SMPTE Frames")) {
3557                 snaptype = SnapToSMPTEFrame;
3558         } else if (choice == _("SMPTE Seconds")) {
3559                 snaptype = SnapToSMPTESeconds;
3560         } else if (choice == _("SMPTE Minutes")) {
3561                 snaptype = SnapToSMPTEMinutes;
3562         } else if (choice == _("Seconds")) {
3563                 snaptype = SnapToSeconds;
3564         } else if (choice == _("Minutes")) {
3565                 snaptype = SnapToMinutes;
3566         } else if (choice == _("None")) {
3567                 snaptype = SnapToFrame;
3568         }
3569
3570         set_snap_to (snaptype);
3571 }       
3572
3573 void
3574 Editor::snap_mode_selection_done ()
3575 {
3576         if(session == 0) {
3577                 return;
3578         }
3579
3580         string choice = snap_mode_selector.get_active_text();
3581         SnapMode mode = SnapNormal;
3582
3583         if (choice == _("Normal Snap")) {
3584                 mode = SnapNormal;
3585         } else if (choice == _("Magnetic Snap")) {
3586                 mode = SnapMagnetic;
3587         }
3588
3589         set_snap_mode (mode);
3590 }
3591
3592 void
3593 Editor::zoom_focus_selection_done ()
3594 {
3595         if (session == 0) {
3596                 return;
3597         }
3598
3599         string choice = zoom_focus_selector.get_active_text();
3600         ZoomFocus focus_type = ZoomFocusLeft;
3601
3602         if (choice == _("Focus Left")) {
3603                 focus_type = ZoomFocusLeft;
3604         } else if (choice == _("Focus Right")) {
3605                 focus_type = ZoomFocusRight;
3606         } else if (choice == _("Focus Center")) {
3607                 focus_type = ZoomFocusCenter;
3608         } else if (choice == _("Focus Playhead")) {
3609                 focus_type = ZoomFocusPlayhead;
3610         } else if (choice == _("Focus Edit Cursor")) {
3611                 focus_type = ZoomFocusEdit;
3612         } 
3613
3614         set_zoom_focus (focus_type);
3615 }       
3616
3617 gint
3618 Editor::edit_controls_button_release (GdkEventButton* ev)
3619 {
3620         if (Keyboard::is_context_menu_event (ev)) {
3621                 ARDOUR_UI::instance()->add_route ();
3622         }
3623         return TRUE;
3624 }
3625
3626 void
3627 Editor::track_selection_changed ()
3628 {
3629         switch (selection->tracks.size()){
3630         case 0:
3631                 break;
3632         default:
3633                 set_selected_mixer_strip (*(selection->tracks.front()));
3634                 break;
3635         }
3636
3637         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3638                 (*i)->set_selected (false);
3639                 if (mouse_mode == MouseRange) {
3640                         (*i)->hide_selection ();
3641                 }
3642         }
3643
3644         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3645                 (*i)->set_selected (true);
3646                 if (mouse_mode == MouseRange) {
3647                         (*i)->show_selection (selection->time);
3648                 }
3649         }
3650 }
3651
3652 void
3653 Editor::time_selection_changed ()
3654 {
3655         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3656                 (*i)->hide_selection ();
3657         }
3658
3659         if (selection->tracks.empty()) {
3660                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3661                         (*i)->show_selection (selection->time);
3662                 }
3663         } else {
3664                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3665                         (*i)->show_selection (selection->time);
3666                 }
3667         }
3668
3669         if (selection->time.empty()) {
3670                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, false);
3671         } else {
3672                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, true);
3673         }
3674 }
3675
3676 void
3677 Editor::region_selection_changed ()
3678 {
3679         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3680                 (*i)->set_selected_regionviews (selection->regions);
3681         }
3682 }
3683
3684 void
3685 Editor::point_selection_changed ()
3686 {
3687         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3688                 (*i)->set_selected_points (selection->points);
3689         }
3690 }
3691
3692 gint
3693 Editor::mouse_select_button_release (GdkEventButton* ev)
3694 {
3695         /* this handles just right-clicks */
3696
3697         if (ev->button != 3) {
3698                 return FALSE;
3699         }
3700
3701         return TRUE;
3702 }
3703
3704 Editor::TrackViewList *
3705 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3706 {
3707         TrackViewList *v;
3708         TrackViewList::iterator i;
3709
3710         v = new TrackViewList;
3711
3712         if (track == 0 && group == 0) {
3713
3714                 /* all views */
3715
3716                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3717                         v->push_back (*i);
3718                 }
3719
3720         } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
3721                 
3722                 /* just the view for this track
3723                  */
3724
3725                 v->push_back (track);
3726
3727         } else {
3728                 
3729                 /* views for all tracks in the edit group */
3730                 
3731                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3732
3733                         if (group == 0 || (*i)->edit_group() == group) {
3734                                 v->push_back (*i);
3735                         }
3736                 }
3737         }
3738         
3739         return v;
3740 }
3741
3742 void
3743 Editor::set_zoom_focus (ZoomFocus f)
3744 {
3745         vector<string> txt = internationalize (zoom_focus_strings);
3746         zoom_focus_selector.set_active_text (txt[(int)f]);
3747         
3748         if (zoom_focus != f) {
3749                 zoom_focus = f;
3750
3751                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3752
3753                 instant_save ();
3754         }
3755 }
3756
3757 void
3758 Editor::ensure_float (Window& win)
3759 {
3760         win.set_transient_for (*this);
3761 }
3762
3763 void 
3764 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3765 {
3766         /* recover or initialize pane positions. do this here rather than earlier because
3767            we don't want the positions to change the child allocations, which they seem to do.
3768          */
3769
3770         int pos;
3771         XMLProperty* prop;
3772         char buf[32];
3773         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3774         int width, height;
3775         static int32_t done;
3776         XMLNode* geometry;
3777
3778         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3779                 width = default_width;
3780                 height = default_height;
3781         } else {
3782                 width = atoi(geometry->property("x_size")->value());
3783                 height = atoi(geometry->property("y_size")->value());
3784         }
3785
3786         if (which == static_cast<Paned*> (&edit_pane)) {
3787
3788                 if (done) {
3789                         return;
3790                 }
3791
3792                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3793                         /* initial allocation is 90% to canvas, 10% to notebook */
3794                         pos = (int) floor (alloc.get_width() * 0.90f);
3795                         snprintf (buf, sizeof(buf), "%d", pos);
3796                 } else {
3797                         pos = atoi (prop->value());
3798                 }
3799                 
3800                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3801                         edit_pane.set_position (pos);
3802                         pre_maximal_pane_position = pos;
3803                 }
3804         }
3805 }
3806
3807 void
3808 Editor::detach_tearoff (Box* b, Window* w)
3809 {
3810         if (tools_tearoff->torn_off() && 
3811             mouse_mode_tearoff->torn_off()) {
3812                 top_hbox.remove (toolbar_frame);
3813         }
3814 }
3815
3816 void
3817 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3818 {
3819         if (toolbar_frame.get_parent() == 0) {
3820                 top_hbox.pack_end (toolbar_frame);
3821         }
3822 }
3823
3824 void
3825 Editor::set_show_measures (bool yn)
3826 {
3827         if (_show_measures != yn) {
3828                 hide_measures ();
3829
3830                 if ((_show_measures = yn) == true) {
3831                         draw_measures ();
3832                 }
3833                 DisplayControlChanged (ShowMeasures);
3834                 instant_save ();
3835         }
3836 }
3837
3838 void
3839 Editor::toggle_follow_playhead ()
3840 {
3841         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3842         if (act) {
3843                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3844                 set_follow_playhead (tact->get_active());
3845         }
3846 }
3847
3848 void
3849 Editor::set_follow_playhead (bool yn)
3850 {
3851         if (_follow_playhead != yn) {
3852                 if ((_follow_playhead = yn) == true) {
3853                         /* catch up */
3854                         update_current_screen ();
3855                 }
3856                 DisplayControlChanged (FollowPlayhead);
3857                 instant_save ();
3858         }
3859 }
3860
3861 void
3862 Editor::toggle_xfade_active (Crossfade* xfade)
3863 {
3864         xfade->set_active (!xfade->active());
3865 }
3866
3867 void
3868 Editor::toggle_xfade_length (Crossfade* xfade)
3869 {
3870         xfade->set_follow_overlap (!xfade->following_overlap());
3871 }
3872
3873 void
3874 Editor::edit_xfade (Crossfade* xfade)
3875 {
3876         CrossfadeEditor cew (*session, *xfade, xfade->fade_in().get_min_y(), 1.0);
3877                 
3878         ensure_float (cew);
3879         
3880         switch (cew.run ()) {
3881         case RESPONSE_ACCEPT:
3882                 break;
3883         default:
3884                 return;
3885         }
3886         
3887         cew.apply ();
3888         xfade->StateChanged (Change (~0));
3889 }
3890
3891 PlaylistSelector&
3892 Editor::playlist_selector () const
3893 {
3894         return *_playlist_selector;
3895 }
3896
3897 jack_nframes_t
3898 Editor::get_nudge_distance (jack_nframes_t pos, jack_nframes_t& next)
3899 {
3900         jack_nframes_t ret;
3901
3902         ret = nudge_clock.current_duration (pos);
3903         next = ret + 1; /* XXXX fix me */
3904
3905         return ret;
3906 }
3907
3908 void
3909 Editor::end_location_changed (Location* location)
3910 {
3911         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3912         reset_scrolling_region ();
3913 }
3914
3915 int
3916 Editor::playlist_deletion_dialog (Playlist* pl)
3917 {
3918         ArdourDialog dialog ("playlist deletion dialog");
3919         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3920                                  "If left alone, no audio files used by it will be cleaned.\n"
3921                                  "If deleted, audio files used by it alone by will cleaned."),
3922                                pl->name()));
3923
3924         dialog.set_position (WIN_POS_CENTER);
3925         dialog.get_vbox()->pack_start (label);
3926
3927         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3928         dialog.add_button (_("Keep playlist"), RESPONSE_CANCEL);
3929         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3930
3931         switch (dialog.run ()) {
3932         case RESPONSE_ACCEPT:
3933                 /* delete the playlist */
3934                 return 0;
3935                 break;
3936
3937         case RESPONSE_REJECT:
3938                 /* keep the playlist */
3939                 return 1;
3940                 break;
3941
3942         default:
3943                 break;
3944         }
3945
3946         return -1;
3947 }
3948
3949 bool
3950 Editor::audio_region_selection_covers (jack_nframes_t where)
3951 {
3952         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3953                 if ((*a)->region()->covers (where)) {
3954                         return true;
3955                 }
3956         }
3957
3958         return false;
3959 }
3960
3961 void
3962 Editor::prepare_for_cleanup ()
3963 {
3964         cut_buffer->clear_regions ();
3965         cut_buffer->clear_playlists ();
3966
3967         selection->clear_regions ();
3968         selection->clear_playlists ();
3969 }
3970
3971 Location*
3972 Editor::transport_loop_location()
3973 {
3974         if (session) {
3975                 return session->locations()->auto_loop_location();
3976         } else {
3977                 return 0;
3978         }
3979 }
3980
3981 Location*
3982 Editor::transport_punch_location()
3983 {
3984         if (session) {
3985                 return session->locations()->auto_punch_location();
3986         } else {
3987                 return 0;
3988         }
3989 }
3990
3991 bool
3992 Editor::control_layout_scroll (GdkEventScroll* ev)
3993 {
3994         switch (ev->direction) {
3995         case GDK_SCROLL_UP:
3996                 scroll_tracks_up_line ();
3997                 return true;
3998                 break;
3999
4000         case GDK_SCROLL_DOWN:
4001                 scroll_tracks_down_line ();
4002                 return true;
4003                 
4004         default:
4005                 /* no left/right handling yet */
4006                 break;
4007         }
4008
4009         return false;
4010 }
4011
4012 void
4013 Editor::snapshot_display_selection_changed ()
4014 {
4015         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
4016
4017                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
4018                 
4019                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
4020
4021                 if (snap_name.length() == 0) {
4022                         return;
4023                 }
4024                 
4025                 if (session->snap_name() == snap_name) {
4026                         return;
4027                 }
4028                 
4029                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
4030         }
4031 }
4032
4033 bool
4034 Editor::snapshot_display_button_press (GdkEventButton* ev)
4035 {
4036          return false;
4037 }
4038
4039 void
4040 Editor::redisplay_snapshots ()
4041 {
4042         if (session == 0) {
4043                 return;
4044         }
4045
4046         vector<string*>* states;
4047
4048         if ((states = session->possible_states()) == 0) {
4049                 return;
4050         }
4051
4052         snapshot_display_model->clear ();
4053
4054         for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
4055                 string statename = *(*i);
4056                 TreeModel::Row row = *(snapshot_display_model->append());
4057                 row[snapshot_display_columns.visible_name] = statename;
4058                 row[snapshot_display_columns.real_name] = statename;
4059         }
4060
4061         delete states;
4062 }
4063
4064 void
4065 Editor::session_state_saved (string snap_name)
4066 {
4067         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
4068         redisplay_snapshots ();
4069 }
4070
4071 void
4072 Editor::maximise_editing_space ()
4073 {
4074         mouse_mode_tearoff->set_visible (false);
4075         tools_tearoff->set_visible (false);
4076
4077         pre_maximal_pane_position = edit_pane.get_position();
4078         edit_pane.set_position (edit_pane.get_width());
4079
4080         fullscreen();
4081 }
4082
4083 void
4084 Editor::restore_editing_space ()
4085 {
4086         mouse_mode_tearoff->set_visible (true);
4087         tools_tearoff->set_visible (true);
4088         edit_pane.set_position (pre_maximal_pane_position);
4089
4090         unfullscreen();
4091 }
4092
4093 void 
4094 Editor::new_playlists ()
4095 {
4096         begin_reversible_command (_("new playlists"));
4097         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist));
4098         commit_reversible_command ();
4099 }
4100
4101 void
4102 Editor::copy_playlists ()
4103 {
4104         begin_reversible_command (_("copy playlists"));
4105         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist));
4106         commit_reversible_command ();
4107 }
4108
4109 void 
4110 Editor::clear_playlists ()
4111 {
4112         begin_reversible_command (_("clear playlists"));
4113         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_clear_playlist));
4114         commit_reversible_command ();
4115 }
4116
4117 void 
4118 Editor::mapped_use_new_playlist (AudioTimeAxisView& atv, uint32_t sz)
4119 {
4120         atv.use_new_playlist (sz > 1 ? false : true);
4121 }
4122
4123 void
4124 Editor::mapped_use_copy_playlist (AudioTimeAxisView& atv, uint32_t sz)
4125 {
4126         atv.use_copy_playlist (sz > 1 ? false : true);
4127 }
4128
4129 void 
4130 Editor::mapped_clear_playlist (AudioTimeAxisView& atv, uint32_t sz)
4131 {
4132         atv.clear_playlist ();
4133 }
4134
4135 bool
4136 Editor::on_key_press_event (GdkEventKey* ev)
4137 {
4138         return key_press_focus_accelerator_handler (*this, ev);
4139 }
4140
4141 void
4142 Editor::update_layering_model ()
4143 {
4144         RefPtr<Action> act;
4145
4146         switch (session->get_layer_model()) {
4147         case Session::LaterHigher:
4148                 act = ActionManager::get_action (X_("Editor"), X_("LayerLaterHigher"));
4149                 break;
4150         case Session::MoveAddHigher:
4151                 act = ActionManager::get_action (X_("Editor"), X_("LayerMoveAddHigher"));
4152                 break;
4153         case Session::AddHigher:
4154                 act = ActionManager::get_action (X_("Editor"), X_("LayerAddHigher"));
4155                 break;
4156         }
4157
4158         if (act) {
4159                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
4160                 if (ract && !ract->get_active()) {
4161                         ract->set_active (true);
4162                 }
4163         }
4164 }
4165
4166
4167 void
4168 Editor::update_crossfade_model ()
4169 {
4170         RefPtr<Action> act;
4171
4172         switch (session->get_xfade_model()) {
4173         case FullCrossfade:
4174                 act = ActionManager::get_action (X_("Editor"), X_("CrossfadesFull"));
4175                 break;
4176         case ShortCrossfade:
4177                 act = ActionManager::get_action (X_("Editor"), X_("CrossfadesShort"));
4178                 break;
4179         }
4180
4181         if (act) {
4182                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
4183                 if (ract && !ract->get_active()) {
4184                         ract->set_active (true);
4185                 }
4186         }
4187 }
4188