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 */
  19
  20 #include <unistd.h>
  21 #include <cstdlib>
  22 #include <cmath>
  23 #include <string>
  24 #include <algorithm>
  25
  26 #include <sigc++/bind.h>
  27
  28 #include <pbd/convert.h>
  29 #include <pbd/error.h>
  30 #include <pbd/stacktrace.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/grouped_buttons.h>
  38 #include <gtkmm2ext/gtk_ui.h>
  39 #include <gtkmm2ext/tearoff.h>
  40 #include <gtkmm2ext/utils.h>
  41
  42 #include <ardour/audio_track.h>
  43 #include <ardour/audio_diskstream.h>
  44 #include <ardour/plugin_manager.h>
  45 #include <ardour/location.h>
  46 #include <ardour/audioplaylist.h>
  47 #include <ardour/audioregion.h>
  48 #include <ardour/region.h>
  49 #include <ardour/session_route.h>
  50 #include <ardour/tempo.h>
  51 #include <ardour/utils.h>
  52
  53 #include <control_protocol/control_protocol.h>
  54
  55 #include "ardour_ui.h"
  56 #include "editor.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 "audio_time_axis.h"
  66 #include "utils.h"
  67 #include "crossfade_view.h"
  68 #include "editing.h"
  69 #include "public_editor.h"
  70 #include "crossfade_edit.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::atoi;
  95
  96 const double Editor::timebar_height = 15.0;
  97
  98 #include "editor_xpms"
  99
 100 static const gchar *_snap_type_strings[] = {
 101         N_("None"),
 102         N_("CD Frames"),
 103         N_("SMPTE Frames"),
 104         N_("SMPTE Seconds"),
 105         N_("SMPTE Minutes"),
 106         N_("Seconds"),
 107         N_("Minutes"),
 108         N_("Beats/32"),
 109         N_("Beats/16"),
 110         N_("Beats/8"),
 111         N_("Beats/4"),
 112         N_("Beats/3"),
 113         N_("Beats"),
 114         N_("Bars"),
 115         N_("Marks"),
 116         N_("Edit Cursor"),
 117         N_("Region starts"),
 118         N_("Region ends"),
 119         N_("Region syncs"),
 120         N_("Region bounds"),
 121         0
 122 };
 123
 124 static const gchar *_snap_mode_strings[] = {
 125         N_("Normal"),
 126         N_("Magnetic"),
 127         0
 128 };
 129
 130 static const gchar *_zoom_focus_strings[] = {
 131         N_("Left"),
 132         N_("Right"),
 133         N_("Center"),
 134         N_("Playhead"),
 135         N_("Edit Cursor"),
 136         0
 137 };
 138
 139 /* Soundfile  drag-n-drop */
 140
 141 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 142 Gdk::Cursor* Editor::selector_cursor = 0;
 143 Gdk::Cursor* Editor::trimmer_cursor = 0;
 144 Gdk::Cursor* Editor::grabber_cursor = 0;
 145 Gdk::Cursor* Editor::zoom_cursor = 0;
 146 Gdk::Cursor* Editor::time_fx_cursor = 0;
 147 Gdk::Cursor* Editor::fader_cursor = 0;
 148 Gdk::Cursor* Editor::speaker_cursor = 0;
 149 Gdk::Cursor* Editor::wait_cursor = 0;
 150 Gdk::Cursor* Editor::timebar_cursor = 0;
 151
 152 void
 153 show_me_the_size (Requisition* r, const char* what)
 154 {
 155         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 156 }
 157
 158 void
 159 check_adjustment (Gtk::Adjustment* adj)
 160 {
 161         cerr << "CHANGE adj  = "
 162              << adj->get_lower () <<  ' '
 163              << adj->get_upper () <<  ' '
 164              << adj->get_value () <<  ' '
 165              << adj->get_step_increment () <<  ' '
 166              << adj->get_page_increment () <<  ' '
 167              << adj->get_page_size () <<  ' '
 168              << endl;
 169
 170 }
 171
 172 Editor::Editor (AudioEngine& eng)
 173         : engine (eng),
 174
 175           /* time display buttons */
 176
 177           minsec_label (_("Mins:Secs")),
 178           bbt_label (_("Bars:Beats")),
 179           smpte_label (_("Timecode")),
 180           frame_label (_("Frames")),
 181           tempo_label (_("Tempo")),
 182           meter_label (_("Meter")),
 183           mark_label (_("Location Markers")),
 184           range_mark_label (_("Range Markers")),
 185           transport_mark_label (_("Loop/Punch Ranges")),
 186
 187           edit_packer (3, 3, false),
 188
 189           /* the values here don't matter: layout widgets
 190              reset them as needed.
 191           */
 192
 193           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
 194           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
 195
 196           /* tool bar related */
 197
 198           edit_cursor_clock (X_("editcursor"), false, X_("EditCursorClock"), true),
 199           zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, true),
 200
 201           toolbar_selection_clock_table (2,3),
 202
 203           automation_mode_button (_("mode")),
 204           global_automation_button (_("automation")),
 205
 206           /* <CMT Additions> */
 207           image_socket_listener(0),
 208           /* </CMT Additions> */
 209
 210           /* nudge */
 211
 212           nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, true)
 213
 214 {
 215         constructed = false;
 216
 217         /* we are a singleton */
 218
 219         PublicEditor::_instance = this;
 220
 221         session = 0;
 222
 223         selection = new Selection;
 224         cut_buffer = new Selection;
 225
 226         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
 227         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
 228         selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
 229         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
 230
 231         clicked_regionview = 0;
 232         clicked_trackview = 0;
 233         clicked_audio_trackview = 0;
 234         clicked_crossfadeview = 0;
 235         clicked_control_point = 0;
 236         latest_regionview = 0;
 237         last_update_frame = 0;
 238         drag_info.item = 0;
 239         current_mixer_strip = 0;
 240         current_bbt_points = 0;
 241
 242         snap_type_strings = I18N (_snap_type_strings);
 243         snap_mode_strings = I18N (_snap_mode_strings);
 244         zoom_focus_strings = I18N(_zoom_focus_strings);
 245
 246         snap_type = SnapToFrame;
 247         set_snap_to (snap_type);
 248         snap_mode = SnapNormal;
 249         set_snap_mode (snap_mode);
 250         snap_threshold = 5.0;
 251         bbt_beat_subdivision = 4;
 252         canvas_width = 0;
 253         canvas_height = 0;
 254         autoscroll_active = false;
 255         autoscroll_timeout_tag = -1;
 256         interthread_progress_window = 0;
 257
 258 #ifdef FFT_ANALYSIS
 259         analysis_window = 0;
 260 #endif
 261
 262         current_interthread_info = 0;
 263         _show_measures = true;
 264         _show_waveforms = true;
 265         _show_waveforms_recording = true;
 266         first_action_message = 0;
 267         export_dialog = 0;
 268         show_gain_after_trim = false;
 269         ignore_route_list_reorder = false;
 270         no_route_list_redisplay = false;
 271         verbose_cursor_on = true;
 272         route_removal = false;
 273         track_spacing = 0;
 274         show_automatic_regions_in_region_list = true;
 275         region_list_sort_type = (Editing::RegionListSortType) 0;
 276         have_pending_keyboard_selection = false;
 277         _follow_playhead = true;
 278         _xfade_visibility = true;
 279         editor_ruler_menu = 0;
 280         no_ruler_shown_update = false;
 281         edit_group_list_menu = 0;
 282         route_list_menu = 0;
 283         region_list_menu = 0;
 284         marker_menu = 0;
 285         start_end_marker_menu = 0;
 286         range_marker_menu = 0;
 287         marker_menu_item = 0;
 288         tm_marker_menu = 0;
 289         transport_marker_menu = 0;
 290         new_transport_marker_menu = 0;
 291         editor_mixer_strip_width = Wide;
 292         show_editor_mixer_when_tracks_arrive = false;
 293         region_edit_menu_split_item = 0;
 294         temp_location = 0;
 295         region_edit_menu_split_multichannel_item = 0;
 296         leftmost_frame = 0;
 297         ignore_mouse_mode_toggle = false;
 298         current_stepping_trackview = 0;
 299         entered_track = 0;
 300         entered_regionview = 0;
 301         clear_entered_track = false;
 302         _new_regionviews_show_envelope = false;
 303         current_timestretch = 0;
 304         in_edit_group_row_change = false;
 305         last_canvas_frame = 0;
 306         edit_cursor = 0;
 307         playhead_cursor = 0;
 308         button_release_can_deselect = true;
 309         canvas_idle_queued = false;
 310         _dragging_playhead = false;
 311         _dragging_hscrollbar = false;
 312
 313         location_marker_color = color_map[cLocationMarker];
 314         location_range_color = color_map[cLocationRange];
 315         location_cd_marker_color = color_map[cLocationCDMarker];
 316         location_loop_color = color_map[cLocationLoop];
 317         location_punch_color = color_map[cLocationPunch];
 318
 319         range_marker_drag_rect = 0;
 320         marker_drag_line = 0;
 321
 322         set_mouse_mode (MouseObject, true);
 323
 324         frames_per_unit = 2048; /* too early to use reset_zoom () */
 325         reset_hscrollbar_stepping ();
 326
 327         zoom_focus = ZoomFocusLeft;
 328         set_zoom_focus (ZoomFocusLeft);
 329         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
 330
 331         initialize_rulers ();
 332         initialize_canvas ();
 333
 334         edit_controls_vbox.set_spacing (0);
 335         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::canvas_horizontally_scrolled));
 336         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling));
 337
 338         track_canvas.set_hadjustment (horizontal_adjustment);
 339         track_canvas.set_vadjustment (vertical_adjustment);
 340         time_canvas.set_hadjustment (horizontal_adjustment);
 341
 342         track_canvas.signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
 343         time_canvas.signal_map_event().connect (mem_fun (*this, &Editor::time_canvas_map_handler));
 344
 345         controls_layout.add (edit_controls_vbox);
 346         controls_layout.set_name ("EditControlsBase");
 347         controls_layout.add_events (Gdk::SCROLL_MASK);
 348         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
 349
 350         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 351         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
 352         controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
 353
 354         edit_vscrollbar.set_adjustment (vertical_adjustment);
 355         edit_hscrollbar.set_adjustment (horizontal_adjustment);
 356
 357         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press), false);
 358         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release), false);
 359         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
 360
 361         edit_hscrollbar.set_name ("EditorHScrollbar");
 362
 363         build_cursors ();
 364         setup_toolbar ();
 365
 366         edit_cursor_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_cursor_clock_changed));
 367
 368         time_canvas_vbox.pack_start (*minsec_ruler, false, false);
 369         time_canvas_vbox.pack_start (*smpte_ruler, false, false);
 370         time_canvas_vbox.pack_start (*frames_ruler, false, false);
 371         time_canvas_vbox.pack_start (*bbt_ruler, false, false);
 372         time_canvas_vbox.pack_start (time_canvas, true, true);
 373         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
 374
 375         bbt_label.set_name ("EditorTimeButton");
 376         bbt_label.set_size_request (-1, (int)timebar_height);
 377         bbt_label.set_alignment (1.0, 0.5);
 378         bbt_label.set_padding (5,0);
 379         minsec_label.set_name ("EditorTimeButton");
 380         minsec_label.set_size_request (-1, (int)timebar_height);
 381         minsec_label.set_alignment (1.0, 0.5);
 382         minsec_label.set_padding (5,0);
 383         smpte_label.set_name ("EditorTimeButton");
 384         smpte_label.set_size_request (-1, (int)timebar_height);
 385         smpte_label.set_alignment (1.0, 0.5);
 386         smpte_label.set_padding (5,0);
 387         frame_label.set_name ("EditorTimeButton");
 388         frame_label.set_size_request (-1, (int)timebar_height);
 389         frame_label.set_alignment (1.0, 0.5);
 390         frame_label.set_padding (5,0);
 391         tempo_label.set_name ("EditorTimeButton");
 392         tempo_label.set_size_request (-1, (int)timebar_height);
 393         tempo_label.set_alignment (1.0, 0.5);
 394         tempo_label.set_padding (5,0);
 395         meter_label.set_name ("EditorTimeButton");
 396         meter_label.set_size_request (-1, (int)timebar_height);
 397         meter_label.set_alignment (1.0, 0.5);
 398         meter_label.set_padding (5,0);
 399         mark_label.set_name ("EditorTimeButton");
 400         mark_label.set_size_request (-1, (int)timebar_height);
 401         mark_label.set_alignment (1.0, 0.5);
 402         mark_label.set_padding (5,0);
 403         range_mark_label.set_name ("EditorTimeButton");
 404         range_mark_label.set_size_request (-1, (int)timebar_height);
 405         range_mark_label.set_alignment (1.0, 0.5);
 406         range_mark_label.set_padding (5,0);
 407         transport_mark_label.set_name ("EditorTimeButton");
 408         transport_mark_label.set_size_request (-1, (int)timebar_height);
 409         transport_mark_label.set_alignment (1.0, 0.5);
 410         transport_mark_label.set_padding (5,0);
 411
 412         time_button_vbox.pack_start (minsec_label, false, false);
 413         time_button_vbox.pack_start (smpte_label, false, false);
 414         time_button_vbox.pack_start (frame_label, false, false);
 415         time_button_vbox.pack_start (bbt_label, false, false);
 416         time_button_vbox.pack_start (meter_label, false, false);
 417         time_button_vbox.pack_start (tempo_label, false, false);
 418         time_button_vbox.pack_start (mark_label, false, false);
 419
 420         time_button_event_box.add (time_button_vbox);
 421
 422         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 423         time_button_event_box.set_name ("TimebarLabelBase");
 424         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 425
 426         /* these enable us to have a dedicated window (for cursor setting, etc.)
 427            for the canvas areas.
 428         */
 429
 430         track_canvas_event_box.add (track_canvas);
 431
 432         time_canvas_event_box.add (time_canvas_vbox);
 433         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 434
 435         edit_packer.set_col_spacings (0);
 436         edit_packer.set_row_spacings (0);
 437         edit_packer.set_homogeneous (false);
 438         edit_packer.set_border_width (0);
 439         edit_packer.set_name ("EditorWindow");
 440
 441         edit_packer.attach (edit_vscrollbar,         0, 1, 1, 3,    FILL,        FILL|EXPAND, 0, 0);
 442
 443         edit_packer.attach (time_button_event_box,   1, 2, 0, 1,    FILL,        FILL, 0, 0);
 444         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 445
 446         edit_packer.attach (controls_layout,         1, 2, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
 447         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 2,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 448
 449         edit_packer.attach (zoom_box,                1, 2, 2, 3,    FILL,         FILL, 0, 0);
 450         edit_packer.attach (edit_hscrollbar,         2, 3, 2, 3,    FILL|EXPAND,  FILL, 0, 0);
 451
 452         bottom_hbox.set_border_width (2);
 453         bottom_hbox.set_spacing (3);
 454
 455         route_display_model = ListStore::create(route_display_columns);
 456         route_list_display.set_model (route_display_model);
 457         route_list_display.append_column (_("Show"), route_display_columns.visible);
 458         route_list_display.append_column (_("Name"), route_display_columns.text);
 459         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 460         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 461         route_list_display.set_headers_visible (true);
 462         route_list_display.set_name ("TrackListDisplay");
 463         route_list_display.get_selection()->set_mode (SELECTION_NONE);
 464         route_list_display.set_reorderable (true);
 465         route_list_display.set_size_request (100,-1);
 466
 467         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
 468         route_list_visible_cell->property_activatable() = true;
 469         route_list_visible_cell->property_radio() = false;
 470
 471         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
 472         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
 473
 474         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
 475
 476         route_list_scroller.add (route_list_display);
 477         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 478
 479         group_model = ListStore::create(group_columns);
 480         edit_group_display.set_model (group_model);
 481         edit_group_display.append_column (_("Name"), group_columns.text);
 482         edit_group_display.append_column (_("Active"), group_columns.is_active);
 483         edit_group_display.append_column (_("Show"), group_columns.is_visible);
 484         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 485         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 486         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
 487         edit_group_display.get_column (0)->set_expand (true);
 488         edit_group_display.get_column (1)->set_expand (false);
 489         edit_group_display.get_column (2)->set_expand (false);
 490         edit_group_display.set_headers_visible (true);
 491
 492         /* name is directly editable */
 493
 494         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
 495         name_cell->property_editable() = true;
 496         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
 497
 498         /* use checkbox for the active + visible columns */
 499
 500         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 501         active_cell->property_activatable() = true;
 502         active_cell->property_radio() = false;
 503
 504         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 505         active_cell->property_activatable() = true;
 506         active_cell->property_radio() = false;
 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_headers_visible (false);
 513         edit_group_display.set_reorderable (false);
 514         edit_group_display.set_rules_hint (true);
 515         edit_group_display.set_size_request (75, -1);
 516
 517         edit_group_display_scroller.add (edit_group_display);
 518         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 519
 520         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
 521
 522         VBox* edit_group_display_packer = manage (new VBox());
 523         HBox* edit_group_display_button_box = manage (new HBox());
 524         edit_group_display_button_box->set_homogeneous (true);
 525
 526         Button* edit_group_add_button = manage (new Button ());
 527         Button* edit_group_remove_button = manage (new Button ());
 528
 529         Widget* w;
 530
 531         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 532         w->show();
 533         edit_group_add_button->add (*w);
 534
 535         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 536         w->show();
 537         edit_group_remove_button->add (*w);
 538
 539         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
 540         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
 541
 542         edit_group_display_button_box->pack_start (*edit_group_add_button);
 543         edit_group_display_button_box->pack_start (*edit_group_remove_button);
 544
 545         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
 546         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
 547
 548         region_list_display.set_size_request (100, -1);
 549         region_list_display.set_name ("RegionListDisplay");
 550
 551         region_list_model = TreeStore::create (region_list_columns);
 552         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
 553         region_list_model->set_sort_column (0, SORT_ASCENDING);
 554
 555         region_list_display.set_model (region_list_model);
 556         region_list_display.append_column (_("Regions"), region_list_columns.name);
 557         region_list_display.set_headers_visible (false);
 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 ("NamedSelectionDisplay");
 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_release_event().connect (mem_fun(*this, &Editor::named_selection_display_button_release), false);
 603         named_selection_display.signal_key_release_event().connect (mem_fun(*this, &Editor::named_selection_display_key_release), false);
 604         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
 605
 606         /* SNAPSHOTS */
 607
 608         snapshot_display_model = ListStore::create (snapshot_display_columns);
 609         snapshot_display.set_model (snapshot_display_model);
 610         snapshot_display.append_column (X_("snapshot"), snapshot_display_columns.visible_name);
 611         snapshot_display.set_name ("SnapshotDisplay");
 612         snapshot_display.set_size_request (75, -1);
 613         snapshot_display.set_headers_visible (false);
 614         snapshot_display.set_reorderable (false);
 615         snapshot_display_scroller.add (snapshot_display);
 616         snapshot_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 617
 618         snapshot_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::snapshot_display_selection_changed));
 619         snapshot_display.signal_button_press_event().connect (mem_fun (*this, &Editor::snapshot_display_button_press), false);
 620
 621         Gtk::Label* nlabel;
 622
 623         nlabel = manage (new Label (_("Regions")));
 624         nlabel->set_angle (-90);
 625         the_notebook.append_page (region_list_scroller, *nlabel);
 626         nlabel = manage (new Label (_("Tracks/Busses")));
 627         nlabel->set_angle (-90);
 628         the_notebook.append_page (route_list_scroller, *nlabel);
 629         nlabel = manage (new Label (_("Snapshots")));
 630         nlabel->set_angle (-90);
 631         the_notebook.append_page (snapshot_display_scroller, *nlabel);
 632         nlabel = manage (new Label (_("Edit Groups")));
 633         nlabel->set_angle (-90);
 634         the_notebook.append_page (*edit_group_display_packer, *nlabel);
 635         nlabel = manage (new Label (_("Chunks")));
 636         nlabel->set_angle (-90);
 637         the_notebook.append_page (named_selection_scroller, *nlabel);
 638
 639         the_notebook.set_show_tabs (true);
 640         the_notebook.set_scrollable (true);
 641         the_notebook.popup_enable ();
 642         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 643
 644         post_maximal_editor_width = 0;
 645         post_maximal_pane_position = 0;
 646         edit_pane.pack1 (edit_packer, true, true);
 647         edit_pane.pack2 (the_notebook, false, true);
 648
 649         edit_pane.signal_size_allocate().connect (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 650
 651         top_hbox.pack_start (toolbar_frame, true, true);
 652
 653         HBox *hbox = manage (new HBox);
 654         hbox->pack_start (edit_pane, true, true);
 655
 656         global_vpacker.pack_start (top_hbox, false, false);
 657         global_vpacker.pack_start (*hbox, true, true);
 658
 659         global_hpacker.pack_start (global_vpacker, true, true);
 660
 661         set_name ("EditorWindow");
 662         add_accel_group (ActionManager::ui_manager->get_accel_group());
 663
 664         vpacker.pack_end (global_hpacker, true, true);
 665
 666         /* register actions now so that set_state() can find them and set toggles/checks etc */
 667
 668         register_actions ();
 669
 670         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 671         set_state (*node);
 672
 673         _playlist_selector = new PlaylistSelector();
 674         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 675
 676         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
 677
 678         /* nudge stuff */
 679
 680         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 681         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 682
 683         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
 684         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
 685
 686         nudge_forward_button.set_name ("TransportButton");
 687         nudge_backward_button.set_name ("TransportButton");
 688
 689         fade_context_menu.set_name ("ArdourContextMenu");
 690
 691         /* icons, titles, WM stuff */
 692
 693         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 694         Glib::RefPtr<Gdk::Pixbuf> icon;
 695
 696         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 697                 window_icons.push_back (icon);
 698         }
 699         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 700                 window_icons.push_back (icon);
 701         }
 702         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 703                 window_icons.push_back (icon);
 704         }
 705         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 706                 window_icons.push_back (icon);
 707         }
 708         if (!window_icons.empty()) {
 709                 set_icon_list (window_icons);
 710                 set_default_icon_list (window_icons);
 711         }
 712         set_title (_("ardour: editor"));
 713         set_wmclass (X_("ardour_editor"), "Ardour");
 714
 715         add (vpacker);
 716         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 717
 718         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 719         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 720
 721         /* allow external control surfaces/protocols to do various things */
 722
 723         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
 724         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
 725         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
 726         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
 727
 728         Config->ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed));
 729
 730         constructed = true;
 731         instant_save ();
 732 }
 733
 734 Editor::~Editor()
 735 {
 736         /* <CMT Additions> */
 737         if(image_socket_listener)
 738         {
 739                 if(image_socket_listener->is_connected())
 740                 {
 741                         image_socket_listener->close_connection() ;
 742                 }
 743
 744                 delete image_socket_listener ;
 745                 image_socket_listener = 0 ;
 746         }
 747         /* </CMT Additions> */
 748 }
 749
 750 void
 751 Editor::add_toplevel_controls (Container& cont)
 752 {
 753         vpacker.pack_start (cont, false, false);
 754         cont.show_all ();
 755 }
 756
 757 void
 758 Editor::catch_vanishing_regionview (RegionView *rv)
 759 {
 760         /* note: the selection will take care of the vanishing
 761            audioregionview by itself.
 762         */
 763
 764         if (clicked_regionview == rv) {
 765                 clicked_regionview = 0;
 766         }
 767
 768         if (entered_regionview == rv) {
 769                 set_entered_regionview (0);
 770         }
 771 }
 772
 773 void
 774 Editor::set_entered_regionview (RegionView* rv)
 775 {
 776         if (rv == entered_regionview) {
 777                 return;
 778         }
 779
 780         if (entered_regionview) {
 781                 entered_regionview->exited ();
 782         }
 783
 784         if ((entered_regionview = rv) != 0) {
 785                 entered_regionview->entered ();
 786         }
 787 }
 788
 789 void
 790 Editor::set_entered_track (TimeAxisView* tav)
 791 {
 792         if (entered_track) {
 793                 entered_track->exited ();
 794         }
 795
 796         if ((entered_track = tav) != 0) {
 797                 entered_track->entered ();
 798         }
 799 }
 800
 801 void
 802 Editor::show_window ()
 803 {
 804         show_all ();
 805         present ();
 806
 807         /* now reset all audio_time_axis heights, because widgets might need
 808            to be re-hidden
 809         */
 810
 811         TimeAxisView *tv;
 812
 813         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 814                 tv = (static_cast<TimeAxisView*>(*i));
 815                 tv->reset_height ();
 816         }
 817 }
 818
 819 void
 820 Editor::tie_vertical_scrolling ()
 821 {
 822         double y1 = vertical_adjustment.get_value();
 823         controls_layout.get_vadjustment()->set_value (y1);
 824         playhead_cursor->set_y_axis(y1);
 825         edit_cursor->set_y_axis(y1);
 826 }
 827
 828 void
 829 Editor::instant_save ()
 830 {
 831         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 832                 return;
 833         }
 834
 835         if (session) {
 836                 session->add_instant_xml(get_state(), session->path());
 837         } else {
 838                 Config->add_instant_xml(get_state(), get_user_ardour_path());
 839         }
 840 }
 841
 842 void
 843 Editor::edit_cursor_clock_changed()
 844 {
 845         if (edit_cursor->current_frame != edit_cursor_clock.current_time()) {
 846                 edit_cursor->set_position (edit_cursor_clock.current_time());
 847         }
 848 }
 849
 850
 851 void
 852 Editor::zoom_adjustment_changed ()
 853 {
 854         if (session == 0) {
 855                 return;
 856         }
 857
 858         double fpu = zoom_range_clock.current_duration() / canvas_width;
 859
 860         if (fpu < 1.0) {
 861                 fpu = 1.0;
 862                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
 863         } else if (fpu > session->current_end_frame() / canvas_width) {
 864                 fpu = session->current_end_frame() / canvas_width;
 865                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
 866         }
 867
 868         temporal_zoom (fpu);
 869 }
 870
 871 void
 872 Editor::control_scroll (float fraction)
 873 {
 874         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
 875
 876         if (!session) {
 877                 return;
 878         }
 879
 880         double step = fraction * current_page_frames();
 881         nframes_t target;
 882
 883         if ((fraction < 0.0f) && (session->transport_frame() < (nframes_t) fabs(step))) {
 884                 target = 0;
 885         } else if ((fraction > 0.0f) && (max_frames - session->transport_frame() < step)) {
 886                 target = (max_frames - (current_page_frames()*2)); // allow room for slop in where the PH is on the screen
 887         } else {
 888                 target = (session->transport_frame() + (nframes_t) floor ((fraction * current_page_frames())));
 889         }
 890
 891         /* move visuals, we'll catch up with it later */
 892
 893         playhead_cursor->set_position (target);
 894
 895         if (target > (current_page_frames() / 2)) {
 896                 /* try to center PH in window */
 897                 reset_x_origin (target - (current_page_frames()/2));
 898         } else {
 899                 reset_x_origin (0);
 900         }
 901
 902         /* cancel the existing */
 903
 904         control_scroll_connection.disconnect ();
 905
 906         /* add the next one */
 907
 908         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), target), 50);
 909 }
 910
 911 bool
 912 Editor::deferred_control_scroll (nframes_t target)
 913 {
 914         session->request_locate (target);
 915         return false;
 916 }
 917
 918 void
 919 Editor::on_realize ()
 920 {
 921         Window::on_realize ();
 922         Realized ();
 923 }
 924
 925 void
 926 Editor::start_scrolling ()
 927 {
 928         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
 929                 (mem_fun(*this, &Editor::update_current_screen));
 930 }
 931
 932 void
 933 Editor::stop_scrolling ()
 934 {
 935         scroll_connection.disconnect ();
 936 }
 937
 938 void
 939 Editor::map_position_change (nframes_t frame)
 940 {
 941         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
 942
 943         if (session == 0 || !_follow_playhead) {
 944                 return;
 945         }
 946
 947         center_screen (frame);
 948         playhead_cursor->set_position (frame);
 949 }
 950
 951 void
 952 Editor::center_screen (nframes_t frame)
 953 {
 954         double page = canvas_width * frames_per_unit;
 955
 956         /* if we're off the page, then scroll.
 957          */
 958
 959         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
 960                 center_screen_internal (frame, page);
 961         }
 962 }
 963
 964 void
 965 Editor::center_screen_internal (nframes_t frame, float page)
 966 {
 967         page /= 2;
 968
 969         if (frame > page) {
 970                 frame -= (nframes_t) page;
 971         } else {
 972                 frame = 0;
 973         }
 974
 975         reset_x_origin (frame);
 976 }
 977
 978 void
 979 Editor::handle_new_duration ()
 980 {
 981         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
 982
 983         nframes_t new_end = session->get_maximum_extent() + (nframes_t) floorf (current_page_frames() * 0.10f);
 984
 985         if (new_end > last_canvas_frame) {
 986                 last_canvas_frame = new_end;
 987                 horizontal_adjustment.set_upper (last_canvas_frame / frames_per_unit);
 988                 reset_scrolling_region ();
 989         }
 990
 991         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
 992 }
 993
 994 void
 995 Editor::update_title_s (const string & snap_name)
 996 {
 997         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
 998
 999         update_title ();
1000 }
1001
1002 void
1003 Editor::update_title ()
1004 {
1005         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1006
1007         if (session) {
1008                 bool dirty = session->dirty();
1009
1010                 string wintitle = _("ardour: editor: ");
1011
1012                 if (dirty) {
1013                         wintitle += '[';
1014                 }
1015
1016                 wintitle += session->name();
1017
1018                 if (session->snap_name() != session->name()) {
1019                         wintitle += ':';
1020                         wintitle += session->snap_name();
1021                 }
1022
1023                 if (dirty) {
1024                         wintitle += ']';
1025                 }
1026
1027                 set_title (wintitle);
1028         }
1029 }
1030
1031 void
1032 Editor::connect_to_session (Session *t)
1033 {
1034         session = t;
1035
1036         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1037         set_state (*node);
1038
1039         /* catch up with the playhead */
1040
1041         session->request_locate (playhead_cursor->current_frame);
1042
1043         if (first_action_message) {
1044                 first_action_message->hide();
1045         }
1046
1047         update_title ();
1048
1049         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1050         session->history().Changed.connect (mem_fun (*this, &Editor::history_changed));
1051
1052         /* These signals can all be emitted by a non-GUI thread. Therefore the
1053            handlers for them must not attempt to directly interact with the GUI,
1054            but use Gtkmm2ext::UI::instance()->call_slot();
1055         */
1056
1057         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1058         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1059         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1060         session_connections.push_back (session->AudioRegionAdded.connect (mem_fun(*this, &Editor::handle_new_audio_region)));
1061         session_connections.push_back (session->AudioRegionRemoved.connect (mem_fun(*this, &Editor::handle_audio_region_removed)));
1062         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1063         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1064         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1065         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1066         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1067         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1068         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1069         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1070         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1071
1072         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1073
1074         session_connections.push_back (session->tempo_map().StateChanged.connect (bind (mem_fun(*this, &Editor::tempo_map_changed), false)));
1075
1076         edit_groups_changed ();
1077
1078         edit_cursor_clock.set_session (session);
1079         zoom_range_clock.set_session (session);
1080         _playlist_selector->set_session (session);
1081         nudge_clock.set_session (session);
1082
1083 #ifdef FFT_ANALYSIS
1084         if (analysis_window != 0)
1085                 analysis_window->set_session (session);
1086 #endif
1087
1088         Location* loc = session->locations()->auto_loop_location();
1089         if (loc == 0) {
1090                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1091                 if (loc->start() == loc->end()) {
1092                         loc->set_end (loc->start() + 1);
1093                 }
1094                 session->locations()->add (loc, false);
1095                 session->set_auto_loop_location (loc);
1096         }
1097         else {
1098                 // force name
1099                 loc->set_name (_("Loop"));
1100         }
1101
1102         loc = session->locations()->auto_punch_location();
1103         if (loc == 0) {
1104                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1105                 if (loc->start() == loc->end()) {
1106                         loc->set_end (loc->start() + 1);
1107                 }
1108                 session->locations()->add (loc, false);
1109                 session->set_auto_punch_location (loc);
1110         }
1111         else {
1112                 // force name
1113                 loc->set_name (_("Punch"));
1114         }
1115
1116         Config->map_parameters (mem_fun (*this, &Editor::parameter_changed));
1117
1118         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1119
1120         refresh_location_display ();
1121         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1122         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1123         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1124         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1125         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1126
1127         handle_new_duration ();
1128
1129         redisplay_regions ();
1130         redisplay_named_selections ();
1131         redisplay_snapshots ();
1132
1133         initial_route_list_display ();
1134
1135         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1136                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1137         }
1138
1139         restore_ruler_visibility ();
1140         //tempo_map_changed (Change (0));
1141         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1142
1143         start_scrolling ();
1144
1145         /* don't show master bus in a new session */
1146
1147         if (ARDOUR_UI::instance()->session_is_new ()) {
1148
1149                 TreeModel::Children rows = route_display_model->children();
1150                 TreeModel::Children::iterator i;
1151
1152                 no_route_list_redisplay = true;
1153
1154                 for (i = rows.begin(); i != rows.end(); ++i) {
1155                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1156                         AudioTimeAxisView *atv;
1157
1158                         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) != 0) {
1159                                 if (atv->route()->master()) {
1160                                         route_list_display.get_selection()->unselect (i);
1161                                 }
1162                         }
1163                 }
1164
1165                 no_route_list_redisplay = false;
1166                 redisplay_route_list ();
1167         }
1168
1169         /* register for undo history */
1170
1171         session->register_with_memento_command_factory(_id, this);
1172 }
1173
1174 void
1175 Editor::build_cursors ()
1176 {
1177         using namespace Gdk;
1178
1179         Gdk::Color mbg ("#000000" ); /* Black */
1180         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1181
1182         {
1183                 RefPtr<Bitmap> source, mask;
1184                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1185                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1186                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1187         }
1188
1189         Gdk::Color fbg ("#ffffff" );
1190         Gdk::Color ffg  ("#000000" );
1191
1192         {
1193                 RefPtr<Bitmap> source, mask;
1194
1195                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1196                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1197                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1198         }
1199
1200         {
1201                 RefPtr<Bitmap> source, mask;
1202                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1203                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1204                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1205         }
1206
1207         grabber_cursor = new Gdk::Cursor (HAND2);
1208         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1209         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1210         selector_cursor = new Gdk::Cursor (XTERM);
1211         time_fx_cursor = new Gdk::Cursor (SIZING);
1212         wait_cursor = new Gdk::Cursor  (WATCH);
1213         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1214 }
1215
1216 void
1217 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1218 {
1219         using namespace Menu_Helpers;
1220         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1221
1222         if (arv == 0) {
1223                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1224                 /*NOTREACHED*/
1225         }
1226
1227         MenuList& items (fade_context_menu.items());
1228
1229         items.clear ();
1230
1231         switch (item_type) {
1232         case FadeInItem:
1233         case FadeInHandleItem:
1234                 if (arv->audio_region()->fade_in_active()) {
1235                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_in_active), false)));
1236                 } else {
1237                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_in_active), true)));
1238                 }
1239
1240                 items.push_back (SeparatorElem());
1241
1242                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1243                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1244                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1245                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1246                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1247                 break;
1248
1249         case FadeOutItem:
1250         case FadeOutHandleItem:
1251                 if (arv->audio_region()->fade_out_active()) {
1252                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_out_active), false)));
1253                 } else {
1254                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_out_active), true)));
1255                 }
1256
1257                 items.push_back (SeparatorElem());
1258
1259                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1260                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1261                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1262                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1263                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1264
1265                 break;
1266
1267         default:
1268                 fatal << _("programming error: ")
1269                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1270                       << endmsg;
1271                 /*NOTREACHED*/
1272         }
1273
1274         fade_context_menu.popup (button, time);
1275 }
1276
1277 void
1278 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes_t frame)
1279 {
1280         using namespace Menu_Helpers;
1281         Menu* (Editor::*build_menu_function)(nframes_t);
1282         Menu *menu;
1283
1284         switch (item_type) {
1285         case RegionItem:
1286         case RegionViewName:
1287         case RegionViewNameHighlight:
1288                 if (with_selection) {
1289                         build_menu_function = &Editor::build_track_selection_context_menu;
1290                 } else {
1291                         build_menu_function = &Editor::build_track_region_context_menu;
1292                 }
1293                 break;
1294
1295         case SelectionItem:
1296                 if (with_selection) {
1297                         build_menu_function = &Editor::build_track_selection_context_menu;
1298                 } else {
1299                         build_menu_function = &Editor::build_track_context_menu;
1300                 }
1301                 break;
1302
1303         case CrossfadeViewItem:
1304                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1305                 break;
1306
1307         case StreamItem:
1308                 if (clicked_audio_trackview->get_diskstream()) {
1309                         build_menu_function = &Editor::build_track_context_menu;
1310                 } else {
1311                         build_menu_function = &Editor::build_track_bus_context_menu;
1312                 }
1313                 break;
1314
1315         default:
1316                 /* probably shouldn't happen but if it does, we don't care */
1317                 return;
1318         }
1319
1320         menu = (this->*build_menu_function)(frame);
1321         menu->set_name ("ArdourContextMenu");
1322
1323         /* now handle specific situations */
1324
1325         switch (item_type) {
1326         case RegionItem:
1327         case RegionViewName:
1328         case RegionViewNameHighlight:
1329                 if (!with_selection) {
1330                         if (region_edit_menu_split_item) {
1331                                 if (clicked_regionview && clicked_regionview->region()->covers (edit_cursor->current_frame)) {
1332                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, true);
1333                                 } else {
1334                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, false);
1335                                 }
1336                         }
1337                         /*
1338                         if (region_edit_menu_split_multichannel_item) {
1339                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1340                                         // GTK2FIX find the action, change its sensitivity
1341                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1342                                 } else {
1343                                         // GTK2FIX see above
1344                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1345                                 }
1346                         }*/
1347                 }
1348                 break;
1349
1350         case SelectionItem:
1351                 break;
1352
1353         case CrossfadeViewItem:
1354                 break;
1355
1356         case StreamItem:
1357                 break;
1358
1359         default:
1360                 /* probably shouldn't happen but if it does, we don't care */
1361                 return;
1362         }
1363
1364         if (clicked_audio_trackview && clicked_audio_trackview->audio_track()) {
1365
1366                 /* Bounce to disk */
1367
1368                 using namespace Menu_Helpers;
1369                 MenuList& edit_items  = menu->items();
1370
1371                 edit_items.push_back (SeparatorElem());
1372
1373                 switch (clicked_audio_trackview->audio_track()->freeze_state()) {
1374                 case AudioTrack::NoFreeze:
1375                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1376                         break;
1377
1378                 case AudioTrack::Frozen:
1379                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1380                         break;
1381
1382                 case AudioTrack::UnFrozen:
1383                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1384                         break;
1385                 }
1386
1387         }
1388
1389         menu->popup (button, time);
1390 }
1391
1392 Menu*
1393 Editor::build_track_context_menu (nframes_t ignored)
1394 {
1395         using namespace Menu_Helpers;
1396
1397         MenuList& edit_items = track_context_menu.items();
1398         edit_items.clear();
1399
1400         add_dstream_context_items (edit_items);
1401         return &track_context_menu;
1402 }
1403
1404 Menu*
1405 Editor::build_track_bus_context_menu (nframes_t ignored)
1406 {
1407         using namespace Menu_Helpers;
1408
1409         MenuList& edit_items = track_context_menu.items();
1410         edit_items.clear();
1411
1412         add_bus_context_items (edit_items);
1413         return &track_context_menu;
1414 }
1415
1416 Menu*
1417 Editor::build_track_region_context_menu (nframes_t frame)
1418 {
1419         using namespace Menu_Helpers;
1420         MenuList& edit_items  = track_region_context_menu.items();
1421         edit_items.clear();
1422
1423         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1424
1425         if (atv) {
1426                 boost::shared_ptr<Diskstream> ds;
1427                 boost::shared_ptr<Playlist> pl;
1428
1429                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
1430                         Playlist::RegionList* regions = pl->regions_at ((nframes_t) floor ( (double)frame * ds->speed()));
1431                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1432                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1433                         }
1434                         delete regions;
1435                 }
1436         }
1437
1438         add_dstream_context_items (edit_items);
1439
1440         return &track_region_context_menu;
1441 }
1442
1443 Menu*
1444 Editor::build_track_crossfade_context_menu (nframes_t frame)
1445 {
1446         using namespace Menu_Helpers;
1447         MenuList& edit_items  = track_crossfade_context_menu.items();
1448         edit_items.clear ();
1449
1450         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1451
1452         if (atv) {
1453                 boost::shared_ptr<Diskstream> ds;
1454                 boost::shared_ptr<Playlist> pl;
1455                 boost::shared_ptr<AudioPlaylist> apl;
1456
1457                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1458
1459                         Playlist::RegionList* regions = pl->regions_at (frame);
1460                         AudioPlaylist::Crossfades xfades;
1461
1462                         apl->crossfades_at (frame, xfades);
1463
1464                         bool many = xfades.size() > 1;
1465
1466                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1467                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1468                         }
1469
1470                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1471                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1472                         }
1473
1474                         delete regions;
1475                 }
1476         }
1477
1478         add_dstream_context_items (edit_items);
1479
1480         return &track_crossfade_context_menu;
1481 }
1482
1483 #ifdef FFT_ANALYSIS
1484 void
1485 Editor::analyze_region_selection()
1486 {
1487         if (analysis_window == 0) {
1488                 analysis_window = new AnalysisWindow();
1489
1490                 if (session != 0)
1491                         analysis_window->set_session(session);
1492
1493                 analysis_window->show_all();
1494         }
1495
1496         analysis_window->set_regionmode();
1497         analysis_window->analyze();
1498
1499         analysis_window->present();
1500 }
1501
1502 void
1503 Editor::analyze_range_selection()
1504 {
1505         if (analysis_window == 0) {
1506                 analysis_window = new AnalysisWindow();
1507
1508                 if (session != 0)
1509                         analysis_window->set_session(session);
1510
1511                 analysis_window->show_all();
1512         }
1513
1514         analysis_window->set_rangemode();
1515         analysis_window->analyze();
1516
1517         analysis_window->present();
1518 }
1519 #endif /* FFT_ANALYSIS */
1520
1521
1522
1523 Menu*
1524 Editor::build_track_selection_context_menu (nframes_t ignored)
1525 {
1526         using namespace Menu_Helpers;
1527         MenuList& edit_items  = track_selection_context_menu.items();
1528         edit_items.clear ();
1529
1530         add_selection_context_items (edit_items);
1531         add_dstream_context_items (edit_items);
1532
1533         return &track_selection_context_menu;
1534 }
1535
1536 void
1537 Editor::add_crossfade_context_items (AudioStreamView* view, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1538 {
1539         using namespace Menu_Helpers;
1540         Menu     *xfade_menu = manage (new Menu);
1541         MenuList& items       = xfade_menu->items();
1542         xfade_menu->set_name ("ArdourContextMenu");
1543         string str;
1544
1545         if (xfade->active()) {
1546                 str = _("Mute");
1547         } else {
1548                 str = _("Unmute");
1549         }
1550
1551         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1552         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1553
1554         if (xfade->can_follow_overlap()) {
1555
1556                 if (xfade->following_overlap()) {
1557                         str = _("Convert to short");
1558                 } else {
1559                         str = _("Convert to full");
1560                 }
1561
1562                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1563         }
1564
1565         if (many) {
1566                 str = xfade->out()->name();
1567                 str += "->";
1568                 str += xfade->in()->name();
1569         } else {
1570                 str = _("Crossfade");
1571         }
1572
1573         edit_items.push_back (MenuElem (str, *xfade_menu));
1574         edit_items.push_back (SeparatorElem());
1575 }
1576
1577 void
1578 Editor::xfade_edit_left_region ()
1579 {
1580         if (clicked_crossfadeview) {
1581                 clicked_crossfadeview->left_view.show_region_editor ();
1582         }
1583 }
1584
1585 void
1586 Editor::xfade_edit_right_region ()
1587 {
1588         if (clicked_crossfadeview) {
1589                 clicked_crossfadeview->right_view.show_region_editor ();
1590         }
1591 }
1592
1593 void
1594 Editor::add_region_context_items (AudioStreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1595 {
1596         using namespace Menu_Helpers;
1597         Menu     *region_menu = manage (new Menu);
1598         MenuList& items       = region_menu->items();
1599         region_menu->set_name ("ArdourContextMenu");
1600
1601         boost::shared_ptr<AudioRegion> ar;
1602
1603         if (region) {
1604                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1605         }
1606
1607         /* when this particular menu pops up, make the relevant region
1608            become selected.
1609         */
1610
1611         region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1612
1613         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1614         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1615         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1616         items.push_back (SeparatorElem());
1617         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_cursor)));
1618         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1619         items.push_back (SeparatorElem());
1620
1621         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::audition_selected_region)));
1622         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1623         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1624
1625 #ifdef FFT_ANALYSIS
1626         items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
1627 #endif
1628
1629         items.push_back (SeparatorElem());
1630
1631         items.push_back (CheckMenuElem (_("Lock"), mem_fun(*this, &Editor::toggle_region_lock)));
1632         region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1633         if (region->locked()) {
1634                 region_lock_item->set_active();
1635         }
1636         items.push_back (CheckMenuElem (_("Mute"), mem_fun(*this, &Editor::toggle_region_mute)));
1637         region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1638         if (region->muted()) {
1639                 region_mute_item->set_active();
1640         }
1641         items.push_back (CheckMenuElem (_("Opaque"), mem_fun(*this, &Editor::toggle_region_opaque)));
1642         region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1643         if (region->opaque()) {
1644                 region_opaque_item->set_active();
1645         }
1646
1647         items.push_back (CheckMenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1648         if (region->at_natural_position()) {
1649                 items.back().set_sensitive (false);
1650         }
1651
1652         items.push_back (SeparatorElem());
1653
1654         if (ar) {
1655
1656                 RegionView* rv = sv->find_view (ar);
1657                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1658
1659                 items.push_back (MenuElem (_("Reset Envelope"), mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1660
1661                 items.push_back (CheckMenuElem (_("Envelope Visible"), mem_fun(*this, &Editor::toggle_gain_envelope_visibility)));
1662                 region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1663
1664                 if (arv->envelope_visible()) {
1665                         region_envelope_visible_item->set_active (true);
1666                 }
1667
1668                 items.push_back (CheckMenuElem (_("Envelope Active"), mem_fun(*this, &Editor::toggle_gain_envelope_active)));
1669                 region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1670
1671                 if (ar->envelope_active()) {
1672                         region_envelope_active_item->set_active (true);
1673                 }
1674
1675                 items.push_back (SeparatorElem());
1676
1677                 if (ar->scale_amplitude() != 1.0f) {
1678                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1679                 } else {
1680                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1681                 }
1682         }
1683         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1684         items.push_back (SeparatorElem());
1685
1686
1687         /* range related stuff */
1688
1689         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1690         items.push_back (MenuElem (_("Set Range Selection"), mem_fun (*this, &Editor::set_selection_from_audio_region)));
1691         items.push_back (SeparatorElem());
1692
1693         /* Nudge region */
1694
1695         Menu *nudge_menu = manage (new Menu());
1696         MenuList& nudge_items = nudge_menu->items();
1697         nudge_menu->set_name ("ArdourContextMenu");
1698
1699         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false))));
1700         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false))));
1701         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1702         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1703
1704         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1705         items.push_back (SeparatorElem());
1706
1707         Menu *trim_menu = manage (new Menu);
1708         MenuList& trim_items = trim_menu->items();
1709         trim_menu->set_name ("ArdourContextMenu");
1710
1711         trim_items.push_back (MenuElem (_("Start to edit cursor"), mem_fun(*this, &Editor::trim_region_from_edit_cursor)));
1712         trim_items.push_back (MenuElem (_("Edit cursor to end"), mem_fun(*this, &Editor::trim_region_to_edit_cursor)));
1713
1714         items.push_back (MenuElem (_("Trim"), *trim_menu));
1715         items.push_back (SeparatorElem());
1716
1717         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1718         region_edit_menu_split_item = &items.back();
1719
1720         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1721         region_edit_menu_split_multichannel_item = &items.back();
1722
1723         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1724         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1725         items.push_back (SeparatorElem());
1726         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
1727
1728         /* OK, stick the region submenu at the top of the list, and then add
1729            the standard items.
1730         */
1731
1732         /* we have to hack up the region name because "_" has a special
1733            meaning for menu titles.
1734         */
1735
1736         string::size_type pos = 0;
1737         string menu_item_name = region->name();
1738
1739         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1740                 menu_item_name.replace (pos, 1, "__");
1741                 pos += 2;
1742         }
1743
1744         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1745         edit_items.push_back (SeparatorElem());
1746 }
1747
1748 void
1749 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1750 {
1751         using namespace Menu_Helpers;
1752         Menu     *selection_menu = manage (new Menu);
1753         MenuList& items       = selection_menu->items();
1754         selection_menu->set_name ("ArdourContextMenu");
1755
1756         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1757         items.push_back (MenuElem (_("Loop range"), mem_fun(*this, &Editor::set_route_loop_selection)));
1758
1759 #ifdef FFT_ANALYSIS
1760         items.push_back (SeparatorElem());
1761         items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
1762 #endif
1763
1764         items.push_back (SeparatorElem());
1765         items.push_back (MenuElem (_("Separate range to track"), mem_fun(*this, &Editor::separate_region_from_selection)));
1766         items.push_back (MenuElem (_("Separate range to region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1767
1768         items.push_back (SeparatorElem());
1769         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1770         items.push_back (SeparatorElem());
1771         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_selection)));
1772         items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1773         items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1774         items.push_back (SeparatorElem());
1775         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1776         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1777         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1778         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::create_named_selection)));
1779         items.push_back (SeparatorElem());
1780         items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
1781         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
1782
1783         edit_items.push_back (MenuElem (_("Range"), *selection_menu));
1784         edit_items.push_back (SeparatorElem());
1785 }
1786
1787 void
1788 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1789 {
1790         using namespace Menu_Helpers;
1791
1792         /* Playback */
1793
1794         Menu *play_menu = manage (new Menu);
1795         MenuList& play_items = play_menu->items();
1796         play_menu->set_name ("ArdourContextMenu");
1797
1798         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1799         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1800         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1801         play_items.push_back (SeparatorElem());
1802         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1803
1804         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1805
1806         /* Selection */
1807
1808         Menu *select_menu = manage (new Menu);
1809         MenuList& select_items = select_menu->items();
1810         select_menu->set_name ("ArdourContextMenu");
1811
1812         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1813         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1814         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1815         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1816         select_items.push_back (SeparatorElem());
1817         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1818         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1819         select_items.push_back (SeparatorElem());
1820         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1821         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1822         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1823         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1824         select_items.push_back (MenuElem (_("Select all between cursors"), bind (mem_fun(*this, &Editor::select_all_selectables_between_cursors), playhead_cursor, edit_cursor)));
1825         select_items.push_back (SeparatorElem());
1826
1827         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1828
1829         /* Cut-n-Paste */
1830
1831         Menu *cutnpaste_menu = manage (new Menu);
1832         MenuList& cutnpaste_items = cutnpaste_menu->items();
1833         cutnpaste_menu->set_name ("ArdourContextMenu");
1834
1835         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1836         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1837         cutnpaste_items.push_back (MenuElem (_("Paste at edit cursor"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1838         cutnpaste_items.push_back (MenuElem (_("Paste at mouse"), mem_fun(*this, &Editor::mouse_paste)));
1839
1840         cutnpaste_items.push_back (SeparatorElem());
1841
1842         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
1843         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
1844
1845         cutnpaste_items.push_back (SeparatorElem());
1846
1847         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
1848
1849         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1850
1851         /* Adding new material */
1852
1853         edit_items.push_back (SeparatorElem());
1854         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1855         edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1856
1857         /* Nudge track */
1858
1859         Menu *nudge_menu = manage (new Menu());
1860         MenuList& nudge_items = nudge_menu->items();
1861         nudge_menu->set_name ("ArdourContextMenu");
1862
1863         edit_items.push_back (SeparatorElem());
1864         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
1865         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
1866         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
1867         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
1868
1869         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1870 }
1871
1872 void
1873 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
1874 {
1875         using namespace Menu_Helpers;
1876
1877         /* Playback */
1878
1879         Menu *play_menu = manage (new Menu);
1880         MenuList& play_items = play_menu->items();
1881         play_menu->set_name ("ArdourContextMenu");
1882
1883         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1884         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1885         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1886
1887         /* Selection */
1888
1889         Menu *select_menu = manage (new Menu);
1890         MenuList& select_items = select_menu->items();
1891         select_menu->set_name ("ArdourContextMenu");
1892
1893         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1894         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1895         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1896         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1897         select_items.push_back (SeparatorElem());
1898         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1899         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1900         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1901         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1902
1903         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1904
1905         /* Cut-n-Paste */
1906
1907         Menu *cutnpaste_menu = manage (new Menu);
1908         MenuList& cutnpaste_items = cutnpaste_menu->items();
1909         cutnpaste_menu->set_name ("ArdourContextMenu");
1910
1911         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1912         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1913         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1914
1915         Menu *nudge_menu = manage (new Menu());
1916         MenuList& nudge_items = nudge_menu->items();
1917         nudge_menu->set_name ("ArdourContextMenu");
1918
1919         edit_items.push_back (SeparatorElem());
1920         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
1921         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
1922         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
1923         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
1924
1925         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1926 }
1927
1928 /* CURSOR SETTING AND MARKS AND STUFF */
1929
1930 void
1931 Editor::set_snap_to (SnapType st)
1932 {
1933         snap_type = st;
1934         string str = snap_type_strings[(int) st];
1935
1936         if (str != snap_type_selector.get_active_text()) {
1937                 snap_type_selector.set_active_text (str);
1938         }
1939
1940         instant_save ();
1941
1942         switch (snap_type) {
1943         case SnapToAThirtysecondBeat:
1944         case SnapToASixteenthBeat:
1945         case SnapToAEighthBeat:
1946         case SnapToAQuarterBeat:
1947         case SnapToAThirdBeat:
1948                 update_tempo_based_rulers ();
1949         default:
1950                 /* relax */
1951                 break;
1952     }
1953 }
1954
1955 void
1956 Editor::set_snap_mode (SnapMode mode)
1957 {
1958         snap_mode = mode;
1959         string str = snap_mode_strings[(int)mode];
1960
1961         if (str != snap_mode_selector.get_active_text ()) {
1962                 snap_mode_selector.set_active_text (str);
1963         }
1964
1965         instant_save ();
1966 }
1967
1968 int
1969 Editor::set_state (const XMLNode& node)
1970 {
1971         const XMLProperty* prop;
1972         XMLNode* geometry;
1973         int x, y, xoff, yoff;
1974         Gdk::Geometry g;
1975
1976         if ((prop = node.property ("id")) != 0) {
1977                 _id = prop->value ();
1978         }
1979
1980         if ((geometry = find_named_node (node, "geometry")) == 0) {
1981
1982                 g.base_width = default_width;
1983                 g.base_height = default_height;
1984                 x = 1;
1985                 y = 1;
1986                 xoff = 0;
1987                 yoff = 21;
1988
1989         } else {
1990
1991                 g.base_width = atoi(geometry->property("x_size")->value());
1992                 g.base_height = atoi(geometry->property("y_size")->value());
1993                 x = atoi(geometry->property("x_pos")->value());
1994                 y = atoi(geometry->property("y_pos")->value());
1995                 xoff = atoi(geometry->property("x_off")->value());
1996                 yoff = atoi(geometry->property("y_off")->value());
1997         }
1998
1999         set_default_size (g.base_width, g.base_height);
2000         move (x, y);
2001
2002         if (session && (prop = node.property ("playhead"))) {
2003                 nframes_t pos = atol (prop->value().c_str());
2004                 playhead_cursor->set_position (pos);
2005         } else {
2006                 playhead_cursor->set_position (0);
2007
2008                 /* reset_x_origin() doesn't work right here, since the old
2009                    position may be zero already, and it does nothing in such
2010                    circumstances.
2011                 */
2012
2013                 leftmost_frame = 0;
2014                 horizontal_adjustment.set_value (0);
2015         }
2016
2017         if (session && (prop = node.property ("edit-cursor"))) {
2018                 nframes_t pos = atol (prop->value().c_str());
2019                 edit_cursor->set_position (pos);
2020         } else {
2021                 edit_cursor->set_position (0);
2022         }
2023
2024         if ((prop = node.property ("zoom-focus"))) {
2025                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2026         }
2027
2028         if ((prop = node.property ("zoom"))) {
2029                 reset_zoom (PBD::atof (prop->value()));
2030         }
2031
2032         if ((prop = node.property ("snap-to"))) {
2033                 set_snap_to ((SnapType) atoi (prop->value()));
2034         }
2035
2036         if ((prop = node.property ("snap-mode"))) {
2037                 set_snap_mode ((SnapMode) atoi (prop->value()));
2038         }
2039
2040         if ((prop = node.property ("mouse-mode"))) {
2041                 MouseMode m = str2mousemode(prop->value());
2042                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2043                 set_mouse_mode (m, true);
2044         } else {
2045                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2046                 set_mouse_mode (MouseObject, true);
2047         }
2048
2049         if ((prop = node.property ("show-waveforms"))) {
2050                 bool yn = (prop->value() == "yes");
2051                 _show_waveforms = !yn;
2052                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
2053                 if (act) {
2054                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2055                         /* do it twice to force the change */
2056                         tact->set_active (!yn);
2057                         tact->set_active (yn);
2058                 }
2059         }
2060
2061         if ((prop = node.property ("show-waveforms-recording"))) {
2062                 bool yn = (prop->value() == "yes");
2063                 _show_waveforms_recording = !yn;
2064                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2065                 if (act) {
2066                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2067                         /* do it twice to force the change */
2068                         tact->set_active (!yn);
2069                         tact->set_active (yn);
2070                 }
2071         }
2072
2073         if ((prop = node.property ("show-measures"))) {
2074                 bool yn = (prop->value() == "yes");
2075                 _show_measures = !yn;
2076                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2077                 if (act) {
2078                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2079                         /* do it twice to force the change */
2080                         tact->set_active (!yn);
2081                         tact->set_active (yn);
2082                 }
2083         }
2084
2085         if ((prop = node.property ("follow-playhead"))) {
2086                 bool yn = (prop->value() == "yes");
2087                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2088                 if (act) {
2089                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2090                         /* do it twice to force the change */
2091                         tact->set_active (!yn);
2092                         tact->set_active (yn);
2093                 }
2094         }
2095
2096
2097         if ((prop = node.property ("region-list-sort-type"))) {
2098                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change
2099                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2100         }
2101
2102         if ((prop = node.property ("xfades-visible"))) {
2103                 bool yn = (prop->value() == "yes");
2104                 _xfade_visibility = !yn;
2105                 // set_xfade_visibility (yn);
2106         }
2107
2108         if ((prop = node.property ("show-editor-mixer"))) {
2109
2110                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2111                 if (act) {
2112
2113                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2114                         bool yn = (prop->value() == X_("yes"));
2115
2116                         /* do it twice to force the change */
2117
2118                         tact->set_active (!yn);
2119                         tact->set_active (yn);
2120                 }
2121         }
2122
2123
2124         return 0;
2125 }
2126
2127 XMLNode&
2128 Editor::get_state ()
2129 {
2130         XMLNode* node = new XMLNode ("Editor");
2131         char buf[32];
2132
2133         _id.print (buf, sizeof (buf));
2134         node->add_property ("id", buf);
2135
2136         if (is_realized()) {
2137                 Glib::RefPtr<Gdk::Window> win = get_window();
2138
2139                 int x, y, xoff, yoff, width, height;
2140                 win->get_root_origin(x, y);
2141                 win->get_position(xoff, yoff);
2142                 win->get_size(width, height);
2143
2144                 XMLNode* geometry = new XMLNode ("geometry");
2145
2146                 snprintf(buf, sizeof(buf), "%d", width);
2147                 geometry->add_property("x_size", string(buf));
2148                 snprintf(buf, sizeof(buf), "%d", height);
2149                 geometry->add_property("y_size", string(buf));
2150                 snprintf(buf, sizeof(buf), "%d", x);
2151                 geometry->add_property("x_pos", string(buf));
2152                 snprintf(buf, sizeof(buf), "%d", y);
2153                 geometry->add_property("y_pos", string(buf));
2154                 snprintf(buf, sizeof(buf), "%d", xoff);
2155                 geometry->add_property("x_off", string(buf));
2156                 snprintf(buf, sizeof(buf), "%d", yoff);
2157                 geometry->add_property("y_off", string(buf));
2158                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2159                 geometry->add_property("edit_pane_pos", string(buf));
2160
2161                 node->add_child_nocopy (*geometry);
2162         }
2163
2164         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2165         node->add_property ("zoom-focus", buf);
2166         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2167         node->add_property ("zoom", buf);
2168         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2169         node->add_property ("snap-to", buf);
2170         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2171         node->add_property ("snap-mode", buf);
2172
2173         snprintf (buf, sizeof (buf), "%" PRIu32, playhead_cursor->current_frame);
2174         node->add_property ("playhead", buf);
2175         snprintf (buf, sizeof (buf), "%" PRIu32, edit_cursor->current_frame);
2176         node->add_property ("edit-cursor", buf);
2177
2178         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2179         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2180         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2181         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2182         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2183         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2184         node->add_property ("mouse-mode", enum2str(mouse_mode));
2185
2186         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2187         if (act) {
2188                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2189                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2190         }
2191
2192         return *node;
2193 }
2194
2195
2196
2197 TimeAxisView *
2198 Editor::trackview_by_y_position (double y)
2199 {
2200         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2201
2202                 TimeAxisView *tv;
2203
2204                 if ((tv = (*iter)->covers_y_position (y)) != 0) {
2205                         return tv;
2206                 }
2207         }
2208
2209         return 0;
2210 }
2211
2212 void
2213 Editor::snap_to (nframes_t& start, int32_t direction, bool for_mark)
2214 {
2215         Location* before = 0;
2216         Location* after = 0;
2217
2218         if (!session) {
2219                 return;
2220         }
2221
2222         const nframes_t one_second = session->frame_rate();
2223         const nframes_t one_minute = session->frame_rate() * 60;
2224         const nframes_t one_smpte_second = (nframes_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame());
2225         nframes_t one_smpte_minute = (nframes_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame() * 60);
2226         nframes_t presnap = start;
2227
2228         switch (snap_type) {
2229         case SnapToFrame:
2230                 break;
2231
2232         case SnapToCDFrame:
2233                 if (direction) {
2234                         start = (nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2235                 } else {
2236                         start = (nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2237                 }
2238                 break;
2239
2240         case SnapToSMPTEFrame:
2241                 if (fmod((double)start, (double)session->frames_per_smpte_frame()) > (session->frames_per_smpte_frame() / 2)) {
2242                         start = (nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2243                 } else {
2244                         start = (nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2245                 }
2246                 break;
2247
2248         case SnapToSMPTESeconds:
2249                 if (session->smpte_offset_negative())
2250                 {
2251                         start += session->smpte_offset ();
2252                 } else {
2253                         start -= session->smpte_offset ();
2254                 }
2255                 if (start % one_smpte_second > one_smpte_second / 2) {
2256                         start = (nframes_t) ceil ((double) start / one_smpte_second) * one_smpte_second;
2257                 } else {
2258                         start = (nframes_t) floor ((double) start / one_smpte_second) * one_smpte_second;
2259                 }
2260
2261                 if (session->smpte_offset_negative())
2262                 {
2263                         start -= session->smpte_offset ();
2264                 } else {
2265                         start += session->smpte_offset ();
2266                 }
2267                 break;
2268
2269         case SnapToSMPTEMinutes:
2270                 if (session->smpte_offset_negative())
2271                 {
2272                         start += session->smpte_offset ();
2273                 } else {
2274                         start -= session->smpte_offset ();
2275                 }
2276                 if (start % one_smpte_minute > one_smpte_minute / 2) {
2277                         start = (nframes_t) ceil ((double) start / one_smpte_minute) * one_smpte_minute;
2278                 } else {
2279                         start = (nframes_t) floor ((double) start / one_smpte_minute) * one_smpte_minute;
2280                 }
2281                 if (session->smpte_offset_negative())
2282                 {
2283                         start -= session->smpte_offset ();
2284                 } else {
2285                         start += session->smpte_offset ();
2286                 }
2287                 break;
2288
2289         case SnapToSeconds:
2290                 if (start % one_second > one_second / 2) {
2291                         start = (nframes_t) ceil ((double) start / one_second) * one_second;
2292                 } else {
2293                         start = (nframes_t) floor ((double) start / one_second) * one_second;
2294                 }
2295                 break;
2296
2297         case SnapToMinutes:
2298                 if (start % one_minute > one_minute / 2) {
2299                         start = (nframes_t) ceil ((double) start / one_minute) * one_minute;
2300                 } else {
2301                         start = (nframes_t) floor ((double) start / one_minute) * one_minute;
2302                 }
2303                 break;
2304
2305         case SnapToBar:
2306                 start = session->tempo_map().round_to_bar (start, direction);
2307                 break;
2308
2309         case SnapToBeat:
2310                 start = session->tempo_map().round_to_beat (start, direction);
2311                 break;
2312
2313         case SnapToAThirtysecondBeat:
2314                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2315                 break;
2316
2317         case SnapToASixteenthBeat:
2318                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2319                 break;
2320
2321         case SnapToAEighthBeat:
2322                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2323                 break;
2324
2325         case SnapToAQuarterBeat:
2326                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2327                 break;
2328
2329         case SnapToAThirdBeat:
2330                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2331                 break;
2332
2333         case SnapToEditCursor:
2334                 start = edit_cursor->current_frame;
2335                 break;
2336
2337         case SnapToMark:
2338                 if (for_mark) {
2339                         return;
2340                 }
2341
2342                 before = session->locations()->first_location_before (start);
2343                 after = session->locations()->first_location_after (start);
2344
2345                 if (direction < 0) {
2346                         if (before) {
2347                                 start = before->start();
2348                         } else {
2349                                 start = 0;
2350                         }
2351                 } else if (direction > 0) {
2352                         if (after) {
2353                                 start = after->start();
2354                         } else {
2355                                 start = session->current_end_frame();
2356                         }
2357                 } else {
2358                         if (before) {
2359                                 if (after) {
2360                                         /* find nearest of the two */
2361                                         if ((start - before->start()) < (after->start() - start)) {
2362                                                 start = before->start();
2363                                         } else {
2364                                                 start = after->start();
2365                                         }
2366                                 } else {
2367                                         start = before->start();
2368                                 }
2369                         } else if (after) {
2370                                 start = after->start();
2371                         } else {
2372                                 /* relax */
2373                         }
2374                 }
2375                 break;
2376
2377         case SnapToRegionStart:
2378         case SnapToRegionEnd:
2379         case SnapToRegionSync:
2380         case SnapToRegionBoundary:
2381                 if (!region_boundary_cache.empty()) {
2382                         vector<nframes_t>::iterator i;
2383
2384                         if (direction > 0) {
2385                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2386                         } else {
2387                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2388                         }
2389
2390                         if (i != region_boundary_cache.end()) {
2391                                 start = *i;
2392                         } else {
2393                                 start = region_boundary_cache.back();
2394                         }
2395                 }
2396                 break;
2397         }
2398
2399         switch (snap_mode) {
2400         case SnapNormal:
2401                 return;
2402
2403         case SnapMagnetic:
2404
2405                 if (presnap > start) {
2406                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2407                                 start = presnap;
2408                         }
2409
2410                 } else if (presnap < start) {
2411                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2412                                 start = presnap;
2413                         }
2414                 }
2415
2416         default:
2417                 return;
2418
2419         }
2420 }
2421
2422 void
2423 Editor::setup_toolbar ()
2424 {
2425         string pixmap_path;
2426
2427         const guint32 FUDGE = 18; // Combo's are stupid - they steal space from the entry for the button
2428
2429
2430         /* Mode Buttons (tool selection) */
2431
2432         vector<ToggleButton *> mouse_mode_buttons;
2433
2434         mouse_move_button.add (*(manage (new Image (::get_icon("tool_object")))));
2435         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2436         mouse_mode_buttons.push_back (&mouse_move_button);
2437         mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2438         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2439         mouse_mode_buttons.push_back (&mouse_select_button);
2440         mouse_gain_button.add (*(manage (new Image (::get_icon("tool_gain")))));
2441         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2442         mouse_mode_buttons.push_back (&mouse_gain_button);
2443         mouse_zoom_button.add (*(manage (new Image (::get_icon("tool_zoom")))));
2444         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2445         mouse_mode_buttons.push_back (&mouse_zoom_button);
2446         mouse_timefx_button.add (*(manage (new Image (::get_icon("tool_stretch")))));
2447         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2448         mouse_mode_buttons.push_back (&mouse_timefx_button);
2449         mouse_audition_button.add (*(manage (new Image (::get_icon("tool_audition")))));
2450         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2451         mouse_mode_buttons.push_back (&mouse_audition_button);
2452
2453         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2454
2455         HBox* mode_box = manage(new HBox);
2456         mode_box->set_border_width (2);
2457         mode_box->set_spacing(4);
2458         mouse_mode_button_box.set_spacing(1);
2459         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2460         mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2461         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2462         mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2463         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2464         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2465         mouse_mode_button_box.set_homogeneous(true);
2466
2467         vector<string> edit_mode_strings;
2468         edit_mode_strings.push_back (edit_mode_to_string (Splice));
2469         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2470
2471         edit_mode_selector.set_name ("EditModeSelector");
2472         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, longest (edit_mode_strings).c_str(), 2+FUDGE, 10);
2473         set_popdown_strings (edit_mode_selector, edit_mode_strings);
2474         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2475
2476         mode_box->pack_start(edit_mode_selector);
2477         mode_box->pack_start(mouse_mode_button_box);
2478
2479         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2480         mouse_mode_tearoff->set_name ("MouseModeBase");
2481
2482         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2483                                                   &mouse_mode_tearoff->tearoff_window()));
2484         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2485                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2486         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2487                                                   &mouse_mode_tearoff->tearoff_window()));
2488         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2489                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2490
2491         mouse_move_button.set_name ("MouseModeButton");
2492         mouse_select_button.set_name ("MouseModeButton");
2493         mouse_gain_button.set_name ("MouseModeButton");
2494         mouse_zoom_button.set_name ("MouseModeButton");
2495         mouse_timefx_button.set_name ("MouseModeButton");
2496         mouse_audition_button.set_name ("MouseModeButton");
2497
2498         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
2499         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
2500         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
2501         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
2502         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2503         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2504
2505         mouse_move_button.unset_flags (CAN_FOCUS);
2506         mouse_select_button.unset_flags (CAN_FOCUS);
2507         mouse_gain_button.unset_flags (CAN_FOCUS);
2508         mouse_zoom_button.unset_flags (CAN_FOCUS);
2509         mouse_timefx_button.unset_flags (CAN_FOCUS);
2510         mouse_audition_button.unset_flags (CAN_FOCUS);
2511
2512         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2513         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2514
2515         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2516         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2517         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2518         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2519         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2520
2521         // mouse_move_button.set_active (true);
2522
2523
2524         /* Zoom */
2525
2526         zoom_box.set_spacing (1);
2527         zoom_box.set_border_width (2);
2528
2529         zoom_in_button.set_name ("EditorTimeButton");
2530         zoom_in_button.set_size_request(-1,16);
2531         zoom_in_button.add (*(manage (new Image (::get_icon("zoom_in")))));
2532         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2533         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2534
2535         zoom_out_button.set_name ("EditorTimeButton");
2536         zoom_out_button.set_size_request(-1,16);
2537         zoom_out_button.add (*(manage (new Image (::get_icon("zoom_out")))));
2538         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2539         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2540
2541         zoom_out_full_button.set_name ("EditorTimeButton");
2542         zoom_out_full_button.set_size_request(-1,16);
2543         zoom_out_full_button.add (*(manage (new Image (::get_icon("zoom_full")))));
2544         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2545         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2546
2547         zoom_focus_selector.set_name ("ZoomFocusSelector");
2548         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, "Edit Cursor", FUDGE, 0);
2549         set_popdown_strings (zoom_focus_selector, zoom_focus_strings);
2550         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2551         ARDOUR_UI::instance()->tooltips().set_tip (zoom_focus_selector, _("Zoom focus"));
2552
2553         zoom_box.pack_start (zoom_focus_selector, true, true);
2554         zoom_box.pack_start (zoom_out_button, false, false);
2555         zoom_box.pack_start (zoom_in_button, false, false);
2556         zoom_box.pack_start (zoom_out_full_button, false, false);
2557
2558         /* Edit Cursor / Snap */
2559
2560         snap_box.set_spacing (1);
2561         snap_box.set_border_width (2);
2562
2563         snap_type_selector.set_name ("SnapTypeSelector");
2564         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, "SMPTE Seconds", 2+FUDGE, 10);
2565         set_popdown_strings (snap_type_selector, snap_type_strings);
2566         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2567         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Unit to snap cursors and ranges to"));
2568
2569         snap_mode_selector.set_name ("SnapModeSelector");
2570         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, "Magnetic Snap", 2+FUDGE, 10);
2571         set_popdown_strings (snap_mode_selector, snap_mode_strings);
2572         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2573
2574         snap_box.pack_start (edit_cursor_clock, false, false);
2575         snap_box.pack_start (snap_mode_selector, false, false);
2576         snap_box.pack_start (snap_type_selector, false, false);
2577
2578
2579         /* Nudge */
2580
2581         HBox *nudge_box = manage (new HBox);
2582         nudge_box->set_spacing(1);
2583         nudge_box->set_border_width (2);
2584
2585         nudge_forward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_forward), false));
2586         nudge_backward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_backward), false));
2587
2588         nudge_box->pack_start (nudge_backward_button, false, false);
2589         nudge_box->pack_start (nudge_forward_button, false, false);
2590         nudge_box->pack_start (nudge_clock, false, false);
2591
2592
2593         /* Pack everything in... */
2594
2595         HBox* hbox = new HBox;
2596         hbox->set_spacing(10);
2597
2598         tools_tearoff = new TearOff (*hbox);
2599         tools_tearoff->set_name ("MouseModeBase");
2600
2601         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2602                                              &tools_tearoff->tearoff_window()));
2603         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2604                                              &tools_tearoff->tearoff_window(), 0));
2605         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2606                                              &tools_tearoff->tearoff_window()));
2607         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2608                                               &tools_tearoff->tearoff_window(), 0));
2609
2610         toolbar_hbox.set_spacing (10);
2611         toolbar_hbox.set_border_width (1);
2612
2613         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2614         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2615
2616
2617         hbox->pack_start (snap_box, false, false);
2618         // hbox->pack_start (zoom_box, false, false);
2619         hbox->pack_start (*nudge_box, false, false);
2620
2621         hbox->show_all ();
2622
2623         toolbar_base.set_name ("ToolBarBase");
2624         toolbar_base.add (toolbar_hbox);
2625
2626         toolbar_frame.set_shadow_type (SHADOW_OUT);
2627         toolbar_frame.set_name ("BaseFrame");
2628         toolbar_frame.add (toolbar_base);
2629 }
2630
2631 int
2632 Editor::convert_drop_to_paths (vector<ustring>& paths,
2633                                const RefPtr<Gdk::DragContext>& context,
2634                                gint                x,
2635                                gint                y,
2636                                const SelectionData& data,
2637                                guint               info,
2638                                guint               time)
2639
2640 {
2641         if (session == 0) {
2642                 return -1;
2643         }
2644
2645         vector<ustring> uris = data.get_uris();
2646
2647         if (uris.empty()) {
2648
2649                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
2650                    are actually URI lists. So do it by hand.
2651                 */
2652
2653                 if (data.get_target() != "text/plain") {
2654                         return -1;
2655                 }
2656
2657                 /* Parse the "uri-list" format that Nautilus provides,
2658                    where each pathname is delimited by \r\n
2659                 */
2660
2661                 const char* p = data.get_text().c_str();
2662                 const char* q;
2663
2664                 while (p)
2665                 {
2666                         if (*p != '#')
2667                         {
2668                                 while (g_ascii_isspace (*p))
2669                                         p++;
2670
2671                                 q = p;
2672                                 while (*q && (*q != '\n') && (*q != '\r'))
2673                                         q++;
2674
2675                                 if (q > p)
2676                                 {
2677                                         q--;
2678                                         while (q > p && g_ascii_isspace (*q))
2679                                                 q--;
2680
2681                                         if (q > p)
2682                                         {
2683                                                 uris.push_back (ustring (p, q - p + 1));
2684                                         }
2685                                 }
2686                         }
2687                         p = strchr (p, '\n');
2688                         if (p)
2689                                 p++;
2690                 }
2691
2692                 if (uris.empty()) {
2693                         return -1;
2694                 }
2695         }
2696
2697         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
2698                 if ((*i).substr (0,7) == "file://") {
2699                         string p = *i;
2700                         PBD::url_decode (p);
2701                         paths.push_back (p.substr (7));
2702                 }
2703         }
2704
2705         return 0;
2706 }
2707
2708 void
2709 Editor::new_tempo_section ()
2710
2711 {
2712 }
2713
2714 void
2715 Editor::map_transport_state ()
2716 {
2717         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
2718
2719         if (session->transport_stopped()) {
2720                 have_pending_keyboard_selection = false;
2721         }
2722 }
2723
2724 /* UNDO/REDO */
2725
2726 Editor::State::State ()
2727 {
2728         selection = new Selection;
2729 }
2730
2731 Editor::State::~State ()
2732 {
2733         delete selection;
2734 }
2735
2736 UndoAction
2737 Editor::get_memento () const
2738 {
2739         State *state = new State;
2740
2741         store_state (*state);
2742         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
2743 }
2744
2745 void
2746 Editor::store_state (State& state) const
2747 {
2748         *state.selection = *selection;
2749 }
2750
2751 void
2752 Editor::restore_state (State *state)
2753 {
2754         if (*selection == *state->selection) {
2755                 return;
2756         }
2757
2758         *selection = *state->selection;
2759         time_selection_changed ();
2760         region_selection_changed ();
2761
2762         /* XXX other selection change handlers? */
2763 }
2764
2765 void
2766 Editor::begin_reversible_command (string name)
2767 {
2768         if (session) {
2769                 before = &get_state();
2770                 session->begin_reversible_command (name);
2771         }
2772 }
2773
2774 void
2775 Editor::commit_reversible_command ()
2776 {
2777         if (session) {
2778                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
2779         }
2780 }
2781
2782 void
2783 Editor::set_edit_group_solo (Route& route, bool yn)
2784 {
2785         RouteGroup *edit_group;
2786
2787         if ((edit_group = route.edit_group()) != 0) {
2788                 edit_group->apply (&Route::set_solo, yn, this);
2789         } else {
2790                 route.set_solo (yn, this);
2791         }
2792 }
2793
2794 void
2795 Editor::set_edit_group_mute (Route& route, bool yn)
2796 {
2797         RouteGroup *edit_group = 0;
2798
2799         if ((edit_group == route.edit_group()) != 0) {
2800                 edit_group->apply (&Route::set_mute, yn, this);
2801         } else {
2802                 route.set_mute (yn, this);
2803         }
2804 }
2805
2806 void
2807 Editor::history_changed ()
2808 {
2809         string label;
2810
2811         if (undo_action && session) {
2812                 if (session->undo_depth() == 0) {
2813                         label = _("Undo");
2814                 } else {
2815                         label = string_compose(_("Undo (%1)"), session->next_undo());
2816                 }
2817                 undo_action->property_label() = label;
2818         }
2819
2820         if (redo_action && session) {
2821                 if (session->redo_depth() == 0) {
2822                         label = _("Redo");
2823                 } else {
2824                         label = string_compose(_("Redo (%1)"), session->next_redo());
2825                 }
2826                 redo_action->property_label() = label;
2827         }
2828 }
2829
2830 void
2831 Editor::duplicate_dialog (bool dup_region)
2832 {
2833         if (dup_region) {
2834                 if (clicked_regionview == 0) {
2835                         return;
2836                 }
2837         } else {
2838                 if (selection->time.length() == 0) {
2839                         return;
2840                 }
2841         }
2842
2843         ArdourDialog win ("duplicate dialog");
2844         Entry  entry;
2845         Label  label (_("Duplicate how many times?"));
2846
2847         win.get_vbox()->pack_start (label);
2848         win.add_action_widget (entry, RESPONSE_ACCEPT);
2849         win.add_button (Stock::OK, RESPONSE_ACCEPT);
2850         win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
2851
2852         win.set_position (WIN_POS_MOUSE);
2853
2854         entry.set_text ("1");
2855         set_size_request_to_display_given_text (entry, X_("12345678"), 20, 15);
2856         entry.select_region (0, -1);
2857         entry.grab_focus ();
2858
2859
2860         switch (win.run ()) {
2861         case RESPONSE_ACCEPT:
2862                 break;
2863         default:
2864                 return;
2865         }
2866
2867         string text = entry.get_text();
2868         float times;
2869
2870         if (sscanf (text.c_str(), "%f", &times) == 1) {
2871                 if (dup_region) {
2872                         RegionSelection regions;
2873                         regions.add (clicked_regionview);
2874                         duplicate_some_regions (regions, times);
2875                 } else {
2876                         duplicate_selection (times);
2877                 }
2878         }
2879 }
2880
2881 void
2882 Editor::show_verbose_canvas_cursor ()
2883 {
2884         verbose_canvas_cursor->raise_to_top();
2885         verbose_canvas_cursor->show();
2886         verbose_cursor_visible = true;
2887 }
2888
2889 void
2890 Editor::hide_verbose_canvas_cursor ()
2891 {
2892         verbose_canvas_cursor->hide();
2893         verbose_cursor_visible = false;
2894 }
2895
2896 void
2897 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
2898 {
2899         /* XXX get origin of canvas relative to root window,
2900            add x and y and check compared to gdk_screen_{width,height}
2901         */
2902         verbose_canvas_cursor->property_text() = txt.c_str();
2903         verbose_canvas_cursor->property_x() = x;
2904         verbose_canvas_cursor->property_y() = y;
2905 }
2906
2907 void
2908 Editor::set_verbose_canvas_cursor_text (const string & txt)
2909 {
2910         verbose_canvas_cursor->property_text() = txt.c_str();
2911 }
2912
2913 void
2914 Editor::edit_mode_selection_done ()
2915 {
2916         if (session == 0) {
2917                 return;
2918         }
2919
2920         string choice = edit_mode_selector.get_active_text();
2921         EditMode mode = Slide;
2922
2923         if (choice == _("Splice Edit")) {
2924                 mode = Splice;
2925         } else if (choice == _("Slide Edit")) {
2926                 mode = Slide;
2927         }
2928
2929         Config->set_edit_mode (mode);
2930 }
2931
2932 void
2933 Editor::snap_type_selection_done ()
2934 {
2935         string choice = snap_type_selector.get_active_text();
2936         SnapType snaptype = SnapToFrame;
2937
2938         if (choice == _("Beats/3")) {
2939                 snaptype = SnapToAThirdBeat;
2940         } else if (choice == _("Beats/4")) {
2941                 snaptype = SnapToAQuarterBeat;
2942         } else if (choice == _("Beats/8")) {
2943                 snaptype = SnapToAEighthBeat;
2944         } else if (choice == _("Beats/16")) {
2945                 snaptype = SnapToASixteenthBeat;
2946         } else if (choice == _("Beats/32")) {
2947                 snaptype = SnapToAThirtysecondBeat;
2948         } else if (choice == _("Beats")) {
2949                 snaptype = SnapToBeat;
2950         } else if (choice == _("Bars")) {
2951                 snaptype = SnapToBar;
2952         } else if (choice == _("Marks")) {
2953                 snaptype = SnapToMark;
2954         } else if (choice == _("Edit Cursor")) {
2955                 snaptype = SnapToEditCursor;
2956         } else if (choice == _("Region starts")) {
2957                 snaptype = SnapToRegionStart;
2958         } else if (choice == _("Region ends")) {
2959                 snaptype = SnapToRegionEnd;
2960         } else if (choice == _("Region bounds")) {
2961                 snaptype = SnapToRegionBoundary;
2962         } else if (choice == _("Region syncs")) {
2963                 snaptype = SnapToRegionSync;
2964         } else if (choice == _("CD Frames")) {
2965                 snaptype = SnapToCDFrame;
2966         } else if (choice == _("SMPTE Frames")) {
2967                 snaptype = SnapToSMPTEFrame;
2968         } else if (choice == _("SMPTE Seconds")) {
2969                 snaptype = SnapToSMPTESeconds;
2970         } else if (choice == _("SMPTE Minutes")) {
2971                 snaptype = SnapToSMPTEMinutes;
2972         } else if (choice == _("Seconds")) {
2973                 snaptype = SnapToSeconds;
2974         } else if (choice == _("Minutes")) {
2975                 snaptype = SnapToMinutes;
2976         } else if (choice == _("None")) {
2977                 snaptype = SnapToFrame;
2978         }
2979
2980         RefPtr<RadioAction> ract = snap_type_action (snaptype);
2981         if (ract) {
2982                 ract->set_active ();
2983         }
2984 }
2985
2986 void
2987 Editor::snap_mode_selection_done ()
2988 {
2989         string choice = snap_mode_selector.get_active_text();
2990         SnapMode mode = SnapNormal;
2991
2992         if (choice == _("Normal")) {
2993                 mode = SnapNormal;
2994         } else if (choice == _("Magnetic")) {
2995                 mode = SnapMagnetic;
2996         }
2997
2998         RefPtr<RadioAction> ract = snap_mode_action (mode);
2999
3000         if (ract) {
3001                 ract->set_active (true);
3002         }
3003 }
3004
3005 void
3006 Editor::zoom_focus_selection_done ()
3007 {
3008         string choice = zoom_focus_selector.get_active_text();
3009         ZoomFocus focus_type = ZoomFocusLeft;
3010
3011         if (choice == _("Left")) {
3012                 focus_type = ZoomFocusLeft;
3013         } else if (choice == _("Right")) {
3014                 focus_type = ZoomFocusRight;
3015         } else if (choice == _("Center")) {
3016                 focus_type = ZoomFocusCenter;
3017         } else if (choice == _("Playhead")) {
3018                 focus_type = ZoomFocusPlayhead;
3019         } else if (choice == _("Edit Cursor")) {
3020                 focus_type = ZoomFocusEdit;
3021         }
3022
3023         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3024
3025         if (ract) {
3026                 ract->set_active ();
3027         }
3028 }
3029
3030 gint
3031 Editor::edit_controls_button_release (GdkEventButton* ev)
3032 {
3033         if (Keyboard::is_context_menu_event (ev)) {
3034                 ARDOUR_UI::instance()->add_route ();
3035         }
3036         return TRUE;
3037 }
3038
3039 gint
3040 Editor::mouse_select_button_release (GdkEventButton* ev)
3041 {
3042         /* this handles just right-clicks */
3043
3044         if (ev->button != 3) {
3045                 return false;
3046         }
3047
3048         return true;
3049 }
3050
3051 Editor::TrackViewList *
3052 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3053 {
3054         TrackViewList *v;
3055         TrackViewList::iterator i;
3056
3057         v = new TrackViewList;
3058
3059         if (track == 0 && group == 0) {
3060
3061                 /* all views */
3062
3063                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3064                         v->push_back (*i);
3065                 }
3066
3067         } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
3068
3069                 /* just the view for this track
3070                  */
3071
3072                 v->push_back (track);
3073
3074         } else {
3075
3076                 /* views for all tracks in the edit group */
3077
3078                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3079
3080                         if (group == 0 || (*i)->edit_group() == group) {
3081                                 v->push_back (*i);
3082                         }
3083                 }
3084         }
3085
3086         return v;
3087 }
3088
3089 void
3090 Editor::set_zoom_focus (ZoomFocus f)
3091 {
3092         string str = zoom_focus_strings[(int)f];
3093
3094         if (str != zoom_focus_selector.get_active_text()) {
3095                 zoom_focus_selector.set_active_text (str);
3096         }
3097
3098         if (zoom_focus != f) {
3099                 zoom_focus = f;
3100
3101                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3102
3103                 instant_save ();
3104         }
3105 }
3106
3107 void
3108 Editor::ensure_float (Window& win)
3109 {
3110         win.set_transient_for (*this);
3111 }
3112
3113 void
3114 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3115 {
3116         /* recover or initialize pane positions. do this here rather than earlier because
3117            we don't want the positions to change the child allocations, which they seem to do.
3118          */
3119
3120         int pos;
3121         XMLProperty* prop;
3122         char buf[32];
3123         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3124         int width, height;
3125         static int32_t done;
3126         XMLNode* geometry;
3127
3128         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3129                 width = default_width;
3130                 height = default_height;
3131         } else {
3132                 width = atoi(geometry->property("x_size")->value());
3133                 height = atoi(geometry->property("y_size")->value());
3134         }
3135
3136         if (which == static_cast<Paned*> (&edit_pane)) {
3137
3138                 if (done) {
3139                         return;
3140                 }
3141
3142                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3143                         /* initial allocation is 90% to canvas, 10% to notebook */
3144                         pos = (int) floor (alloc.get_width() * 0.90f);
3145                         snprintf (buf, sizeof(buf), "%d", pos);
3146                 } else {
3147                         pos = atoi (prop->value());
3148                 }
3149
3150                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3151                         edit_pane.set_position (pos);
3152                         pre_maximal_pane_position = pos;
3153                 }
3154         }
3155 }
3156
3157 void
3158 Editor::detach_tearoff (Box* b, Window* w)
3159 {
3160         if (tools_tearoff->torn_off() &&
3161             mouse_mode_tearoff->torn_off()) {
3162                 top_hbox.remove (toolbar_frame);
3163         }
3164 }
3165
3166 void
3167 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3168 {
3169         if (toolbar_frame.get_parent() == 0) {
3170                 top_hbox.pack_end (toolbar_frame);
3171         }
3172 }
3173
3174 void
3175 Editor::set_show_measures (bool yn)
3176 {
3177         if (_show_measures != yn) {
3178                 hide_measures ();
3179
3180                 if ((_show_measures = yn) == true) {
3181                         draw_measures ();
3182                 }
3183                 instant_save ();
3184         }
3185 }
3186
3187 void
3188 Editor::toggle_follow_playhead ()
3189 {
3190         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3191         if (act) {
3192                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3193                 set_follow_playhead (tact->get_active());
3194         }
3195 }
3196
3197 void
3198 Editor::set_follow_playhead (bool yn)
3199 {
3200         if (_follow_playhead != yn) {
3201                 if ((_follow_playhead = yn) == true) {
3202                         /* catch up */
3203                         update_current_screen ();
3204                 }
3205                 instant_save ();
3206         }
3207 }
3208
3209 void
3210 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3211 {
3212         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3213         if (xfade) {
3214                 xfade->set_active (!xfade->active());
3215         }
3216 }
3217
3218 void
3219 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3220 {
3221         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3222         if (xfade) {
3223                 xfade->set_follow_overlap (!xfade->following_overlap());
3224         }
3225 }
3226
3227 void
3228 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3229 {
3230         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3231
3232         if (!xfade) {
3233                 return;
3234         }
3235
3236         CrossfadeEditor cew (*session, xfade, xfade->fade_in().get_min_y(), 1.0);
3237
3238         ensure_float (cew);
3239
3240         switch (cew.run ()) {
3241         case RESPONSE_ACCEPT:
3242                 break;
3243         default:
3244                 return;
3245         }
3246
3247         cew.apply ();
3248         xfade->StateChanged (Change (~0));
3249 }
3250
3251 PlaylistSelector&
3252 Editor::playlist_selector () const
3253 {
3254         return *_playlist_selector;
3255 }
3256
3257 nframes_t
3258 Editor::get_nudge_distance (nframes_t pos, nframes_t& next)
3259 {
3260         nframes_t ret;
3261
3262         ret = nudge_clock.current_duration (pos);
3263         next = ret + 1; /* XXXX fix me */
3264
3265         return ret;
3266 }
3267
3268 void
3269 Editor::end_location_changed (Location* location)
3270 {
3271         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3272         reset_scrolling_region ();
3273 }
3274
3275 int
3276 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3277 {
3278         ArdourDialog dialog ("playlist deletion dialog");
3279         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3280                                         "If left alone, no audio files used by it will be cleaned.\n"
3281                                         "If deleted, audio files used by it alone by will cleaned."),
3282                                       pl->name()));
3283
3284         dialog.set_position (WIN_POS_CENTER);
3285         dialog.get_vbox()->pack_start (label);
3286
3287         label.show ();
3288
3289         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3290         dialog.add_button (_("Keep playlist"), RESPONSE_CANCEL);
3291         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3292
3293         switch (dialog.run ()) {
3294         case RESPONSE_ACCEPT:
3295                 /* delete the playlist */
3296                 return 0;
3297                 break;
3298
3299         case RESPONSE_REJECT:
3300                 /* keep the playlist */
3301                 return 1;
3302                 break;
3303
3304         default:
3305                 break;
3306         }
3307
3308         return -1;
3309 }
3310
3311 bool
3312 Editor::audio_region_selection_covers (nframes_t where)
3313 {
3314         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3315                 if ((*a)->region()->covers (where)) {
3316                         return true;
3317                 }
3318         }
3319
3320         return false;
3321 }
3322
3323 void
3324 Editor::prepare_for_cleanup ()
3325 {
3326         cut_buffer->clear_regions ();
3327         cut_buffer->clear_playlists ();
3328
3329         selection->clear_regions ();
3330         selection->clear_playlists ();
3331 }
3332
3333 Location*
3334 Editor::transport_loop_location()
3335 {
3336         if (session) {
3337                 return session->locations()->auto_loop_location();
3338         } else {
3339                 return 0;
3340         }
3341 }
3342
3343 Location*
3344 Editor::transport_punch_location()
3345 {
3346         if (session) {
3347                 return session->locations()->auto_punch_location();
3348         } else {
3349                 return 0;
3350         }
3351 }
3352
3353 bool
3354 Editor::control_layout_scroll (GdkEventScroll* ev)
3355 {
3356         switch (ev->direction) {
3357         case GDK_SCROLL_UP:
3358                 scroll_tracks_up_line ();
3359                 return true;
3360                 break;
3361
3362         case GDK_SCROLL_DOWN:
3363                 scroll_tracks_down_line ();
3364                 return true;
3365
3366         default:
3367                 /* no left/right handling yet */
3368                 break;
3369         }
3370
3371         return false;
3372 }
3373
3374 void
3375 Editor::snapshot_display_selection_changed ()
3376 {
3377         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
3378
3379                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
3380
3381                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
3382
3383                 if (snap_name.length() == 0) {
3384                         return;
3385                 }
3386
3387                 if (session->snap_name() == snap_name) {
3388                         return;
3389                 }
3390
3391                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
3392         }
3393 }
3394
3395 bool
3396 Editor::snapshot_display_button_press (GdkEventButton* ev)
3397 {
3398          return false;
3399 }
3400
3401 void
3402 Editor::redisplay_snapshots ()
3403 {
3404         if (session == 0) {
3405                 return;
3406         }
3407
3408         vector<string*>* states;
3409
3410         if ((states = session->possible_states()) == 0) {
3411                 return;
3412         }
3413
3414         snapshot_display_model->clear ();
3415
3416         for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
3417                 string statename = *(*i);
3418                 TreeModel::Row row = *(snapshot_display_model->append());
3419
3420                 /* this lingers on in case we ever want to change the visible
3421                    name of the snapshot.
3422                 */
3423
3424                 string display_name;
3425                 display_name = statename;
3426
3427                 if (statename == session->snap_name()) {
3428                         snapshot_display.get_selection()->select(row);
3429                 }
3430
3431                 row[snapshot_display_columns.visible_name] = display_name;
3432                 row[snapshot_display_columns.real_name] = statename;
3433         }
3434
3435         delete states;
3436 }
3437
3438 void
3439 Editor::session_state_saved (string snap_name)
3440 {
3441         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
3442         redisplay_snapshots ();
3443 }
3444
3445 void
3446 Editor::maximise_editing_space ()
3447 {
3448         initial_ruler_update_required = true;
3449
3450         mouse_mode_tearoff->set_visible (false);
3451         tools_tearoff->set_visible (false);
3452
3453         pre_maximal_pane_position = edit_pane.get_position();
3454         pre_maximal_editor_width = this->get_width();
3455
3456         if(post_maximal_pane_position == 0) {
3457                 post_maximal_pane_position = edit_pane.get_width();
3458         }
3459
3460
3461         fullscreen();
3462         if(post_maximal_editor_width) {
3463                 edit_pane.set_position (post_maximal_pane_position -
3464                         abs(post_maximal_editor_width - pre_maximal_editor_width));
3465         } else {
3466                 edit_pane.set_position (post_maximal_pane_position);
3467         }
3468 }
3469
3470 void
3471 Editor::restore_editing_space ()
3472 {
3473         initial_ruler_update_required = true;
3474
3475         // user changed width of pane during fullscreen
3476         if(post_maximal_pane_position != edit_pane.get_position()) {
3477                 post_maximal_pane_position = edit_pane.get_position();
3478         }
3479
3480         unfullscreen();
3481
3482         mouse_mode_tearoff->set_visible (true);
3483         tools_tearoff->set_visible (true);
3484         post_maximal_editor_width = this->get_width();
3485
3486
3487         edit_pane.set_position (
3488                 pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width)
3489         );
3490 }
3491
3492 void
3493 Editor::new_playlists ()
3494 {
3495         begin_reversible_command (_("new playlists"));
3496         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist));
3497         commit_reversible_command ();
3498 }
3499
3500 void
3501 Editor::copy_playlists ()
3502 {
3503         begin_reversible_command (_("copy playlists"));
3504         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist));
3505         commit_reversible_command ();
3506 }
3507
3508 void
3509 Editor::clear_playlists ()
3510 {
3511         begin_reversible_command (_("clear playlists"));
3512         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_clear_playlist));
3513         commit_reversible_command ();
3514 }
3515
3516 void
3517 Editor::mapped_use_new_playlist (AudioTimeAxisView& atv, uint32_t sz)
3518 {
3519         atv.use_new_playlist (sz > 1 ? false : true);
3520 }
3521
3522 void
3523 Editor::mapped_use_copy_playlist (AudioTimeAxisView& atv, uint32_t sz)
3524 {
3525         atv.use_copy_playlist (sz > 1 ? false : true);
3526 }
3527
3528 void
3529 Editor::mapped_clear_playlist (AudioTimeAxisView& atv, uint32_t sz)
3530 {
3531         atv.clear_playlist ();
3532 }
3533
3534 bool
3535 Editor::on_key_press_event (GdkEventKey* ev)
3536 {
3537         return key_press_focus_accelerator_handler (*this, ev);
3538 }
3539
3540 void
3541 Editor::reset_x_origin (nframes_t frame)
3542 {
3543         queue_visual_change (frame);
3544 }
3545
3546 void
3547 Editor::reset_zoom (double fpu)
3548 {
3549         queue_visual_change (fpu);
3550 }
3551
3552 void
3553 Editor::reposition_and_zoom (nframes_t frame, double fpu)
3554 {
3555         reset_x_origin (frame);
3556         reset_zoom (fpu);
3557 }
3558
3559 void
3560 Editor::set_frames_per_unit (double fpu)
3561 {
3562         nframes_t frames;
3563
3564         /* this is the core function that controls the zoom level of the canvas. it is called
3565            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
3566         */
3567
3568         if (fpu == frames_per_unit) {
3569                 return;
3570         }
3571
3572         if (fpu < 2.0) {
3573                 fpu = 2.0;
3574         }
3575
3576         // convert fpu to frame count
3577
3578         frames = (nframes_t) floor (fpu * canvas_width);
3579
3580         /* don't allow zooms that fit more than the maximum number
3581            of frames into an 800 pixel wide space.
3582         */
3583
3584         if (max_frames / fpu < 800.0) {
3585                 return;
3586         }
3587
3588         if (fpu == frames_per_unit) {
3589                 return;
3590         }
3591
3592         frames_per_unit = fpu;
3593
3594         if (frames != zoom_range_clock.current_duration()) {
3595                 zoom_range_clock.set (frames);
3596         }
3597
3598         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
3599                 if (!selection->tracks.empty()) {
3600                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3601                                 (*i)->reshow_selection (selection->time);
3602                         }
3603                 } else {
3604                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3605                                 (*i)->reshow_selection (selection->time);
3606                         }
3607                 }
3608         }
3609
3610         ZoomChanged (); /* EMIT_SIGNAL */
3611
3612         reset_hscrollbar_stepping ();
3613         reset_scrolling_region ();
3614
3615         if (edit_cursor) edit_cursor->set_position (edit_cursor->current_frame);
3616         if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
3617
3618         instant_save ();
3619 }
3620
3621 void
3622 Editor::queue_visual_change (nframes_t where)
3623 {
3624         pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::TimeOrigin);
3625         pending_visual_change.time_origin = where;
3626
3627         if (pending_visual_change.idle_handler_id < 0) {
3628                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
3629         }
3630 }
3631
3632 void
3633 Editor::queue_visual_change (double fpu)
3634 {
3635         pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::ZoomLevel);
3636         pending_visual_change.frames_per_unit = fpu;
3637
3638         if (pending_visual_change.idle_handler_id < 0) {
3639                 pending_visual_change.idle_handler_id = g_idle_add_full (G_PRIORITY_HIGH_IDLE, _idle_visual_changer, this, 0);
3640         }
3641 }
3642
3643 int
3644 Editor::_idle_visual_changer (void* arg)
3645 {
3646         return static_cast<Editor*>(arg)->idle_visual_changer ();
3647 }
3648
3649 int
3650 Editor::idle_visual_changer ()
3651 {
3652         VisualChange::Type p = pending_visual_change.pending;
3653
3654         pending_visual_change.pending = (VisualChange::Type) 0;
3655         pending_visual_change.idle_handler_id = -1;
3656
3657         if (p & VisualChange::ZoomLevel) {
3658                 set_frames_per_unit (pending_visual_change.frames_per_unit);
3659         }
3660
3661         if (p & VisualChange::TimeOrigin) {
3662                 if (pending_visual_change.time_origin != leftmost_frame) {
3663                         horizontal_adjustment.set_value (pending_visual_change.time_origin/frames_per_unit);
3664                         /* the signal handler will do the rest */
3665                 } else {
3666                         update_fixed_rulers();
3667                         tempo_map_changed (Change (0), true);
3668                 }
3669         }
3670
3671         return 0;
3672 }
3673
3674 struct EditorOrderTimeAxisSorter {
3675     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
3676             return a->order < b->order;
3677     }
3678 };
3679
3680 void
3681 Editor::sort_track_selection ()
3682 {
3683         EditorOrderTimeAxisSorter cmp;
3684         selection->tracks.sort (cmp);
3685 }
3686