gtk2_ardour/editor.cc

   1 /*
   2     Copyright (C) 2000-2006 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18     $Id$
  19 */
  20
  21 #include <unistd.h>
  22 #include <cstdlib>
  23 #include <cmath>
  24 #include <string>
  25 #include <algorithm>
  26
  27 #include <sigc++/bind.h>
  28
  29 #include <pbd/convert.h>
  30 #include <pbd/error.h>
  31 #include <pbd/memento_command.h>
  32
  33 #include <gtkmm/image.h>
  34 #include <gdkmm/color.h>
  35 #include <gdkmm/bitmap.h>
  36
  37 #include <gtkmm2ext/gtk_ui.h>
  38 #include <gtkmm2ext/tearoff.h>
  39 #include <gtkmm2ext/utils.h>
  40
  41 #include <ardour/audio_track.h>
  42 #include <ardour/audio_diskstream.h>
  43 #include <ardour/plugin_manager.h>
  44 #include <ardour/location.h>
  45 #include <ardour/audioplaylist.h>
  46 #include <ardour/audioregion.h>
  47 #include <ardour/region.h>
  48 #include <ardour/session_route.h>
  49 #include <ardour/tempo.h>
  50 #include <ardour/utils.h>
  51
  52 #include <control_protocol/control_protocol.h>
  53
  54 #include "ardour_ui.h"
  55 #include "editor.h"
  56 #include "grouped_buttons.h"
  57 #include "keyboard.h"
  58 #include "marker.h"
  59 #include "playlist_selector.h"
  60 #include "audio_region_view.h"
  61 #include "rgb_macros.h"
  62 #include "selection.h"
  63 #include "audio_streamview.h"
  64 #include "time_axis_view.h"
  65 #include "utils.h"
  66 #include "crossfade_view.h"
  67 #include "editing.h"
  68 #include "public_editor.h"
  69 #include "crossfade_edit.h"
  70 #include "audio_time_axis.h"
  71 #include "canvas_impl.h"
  72 #include "actions.h"
  73 #include "gui_thread.h"
  74
  75 #ifdef FFT_ANALYSIS
  76 #include "analysis_window.h"
  77 #endif
  78
  79 #include "i18n.h"
  80
  81 /* <CMT Additions> */
  82 #include "imageframe_socket_handler.h"
  83 /* </CMT Additions> */
  84
  85 using namespace std;
  86 using namespace sigc;
  87 using namespace ARDOUR;
  88 using namespace PBD;
  89 using namespace Gtk;
  90 using namespace Glib;
  91 using namespace Gtkmm2ext;
  92 using namespace Editing;
  93
  94 using PBD::internationalize;
  95 using PBD::atoi;
  96
  97 const double Editor::timebar_height = 15.0;
  98
  99 #include "editor_xpms"
 100
 101 static const int32_t slide_index = 0;
 102 static const int32_t splice_index = 1;
 103
 104 static const gchar *edit_mode_strings[] = {
 105         N_("Slide Edit"),
 106         N_("Splice Edit"),
 107         0
 108 };
 109
 110 static const gchar *snap_type_strings[] = {
 111         N_("None"),
 112         N_("CD Frames"),
 113         N_("SMPTE Frames"),
 114         N_("SMPTE Seconds"),
 115         N_("SMPTE Minutes"),
 116         N_("Seconds"),
 117         N_("Minutes"),
 118         N_("Beats/32"),
 119         N_("Beats/16"),
 120         N_("Beats/8"),
 121         N_("Beats/4"),
 122         N_("Beats/3"),
 123         N_("Beats"),
 124         N_("Bars"),
 125         N_("Marks"),
 126         N_("Edit Cursor"),
 127         N_("Region starts"),
 128         N_("Region ends"),
 129         N_("Region syncs"),
 130         N_("Region bounds"),
 131         0
 132 };
 133
 134 static const gchar *snap_mode_strings[] = {
 135         N_("Normal Snap"),
 136         N_("Magnetic Snap"),
 137         0
 138 };
 139
 140 static const gchar *zoom_focus_strings[] = {
 141         N_("Focus Left"),
 142         N_("Focus Right"),
 143         N_("Focus Center"),
 144         N_("Focus Play"),
 145         N_("Focus Edit"),
 146         0
 147 };
 148
 149 /* Soundfile  drag-n-drop */
 150
 151 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 152 Gdk::Cursor* Editor::selector_cursor = 0;
 153 Gdk::Cursor* Editor::trimmer_cursor = 0;
 154 Gdk::Cursor* Editor::grabber_cursor = 0;
 155 Gdk::Cursor* Editor::zoom_cursor = 0;
 156 Gdk::Cursor* Editor::time_fx_cursor = 0;
 157 Gdk::Cursor* Editor::fader_cursor = 0;
 158 Gdk::Cursor* Editor::speaker_cursor = 0;
 159 Gdk::Cursor* Editor::wait_cursor = 0;
 160 Gdk::Cursor* Editor::timebar_cursor = 0;
 161
 162 void
 163 show_me_the_size (Requisition* r, const char* what)
 164 {
 165         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 166 }
 167
 168 void
 169 check_adjustment (Gtk::Adjustment* adj)
 170 {
 171         cerr << "CHANGE adj  = "
 172              << adj->get_lower () <<  ' '
 173              << adj->get_upper () <<  ' '
 174              << adj->get_value () <<  ' '
 175              << adj->get_step_increment () <<  ' '
 176              << adj->get_page_increment () <<  ' '
 177              << adj->get_page_size () <<  ' '
 178              << endl;
 179
 180 }
 181
 182 Editor::Editor (AudioEngine& eng)
 183         : engine (eng),
 184
 185           /* time display buttons */
 186
 187           minsec_label (_("Mins:Secs")),
 188           bbt_label (_("Bars:Beats")),
 189           smpte_label (_("SMPTE")),
 190           frame_label (_("Frames")),
 191           tempo_label (_("Tempo")),
 192           meter_label (_("Meter")),
 193           mark_label (_("Location Markers")),
 194           range_mark_label (_("Range Markers")),
 195           transport_mark_label (_("Loop/Punch Ranges")),
 196
 197           edit_packer (3, 3, false),
 198
 199           /* the values here don't matter: layout widgets
 200              reset them as needed.
 201           */
 202
 203           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
 204           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
 205
 206           /* tool bar related */
 207
 208           edit_cursor_clock (X_("EditCursorClock"), true),
 209           zoom_range_clock (X_("ZoomRangeClock"), true, true),
 210
 211           toolbar_selection_clock_table (2,3),
 212
 213           automation_mode_button (_("mode")),
 214           global_automation_button (_("automation")),
 215
 216           /* <CMT Additions> */
 217           image_socket_listener(0),
 218           /* </CMT Additions> */
 219
 220           /* nudge */
 221
 222           nudge_clock (X_("NudgeClock"), true, true)
 223
 224 {
 225         constructed = false;
 226
 227         /* we are a singleton */
 228
 229         PublicEditor::_instance = this;
 230
 231         session = 0;
 232
 233         selection = new Selection;
 234         cut_buffer = new Selection;
 235
 236         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
 237         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
 238         selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
 239         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
 240
 241         clicked_regionview = 0;
 242         clicked_trackview = 0;
 243         clicked_audio_trackview = 0;
 244         clicked_crossfadeview = 0;
 245         clicked_control_point = 0;
 246         latest_regionview = 0;
 247         last_update_frame = 0;
 248         drag_info.item = 0;
 249         current_mixer_strip = 0;
 250         current_bbt_points = 0;
 251
 252         snap_type = SnapToFrame;
 253         set_snap_to (snap_type);
 254         snap_mode = SnapNormal;
 255         set_snap_mode (snap_mode);
 256         snap_threshold = 5.0;
 257         bbt_beat_subdivision = 4;
 258         canvas_width = 0;
 259         canvas_height = 0;
 260         autoscroll_timeout_tag = -1;
 261         interthread_progress_window = 0;
 262
 263 #ifdef FFT_ANALYSIS
 264         analysis_window = 0;
 265 #endif
 266
 267         current_interthread_info = 0;
 268         _show_measures = true;
 269         _show_waveforms = true;
 270         _show_waveforms_recording = true;
 271         first_action_message = 0;
 272         export_dialog = 0;
 273         show_gain_after_trim = false;
 274         ignore_route_list_reorder = false;
 275         no_route_list_redisplay = false;
 276         verbose_cursor_on = true;
 277         route_removal = false;
 278         track_spacing = 0;
 279         show_automatic_regions_in_region_list = true;
 280         region_list_sort_type = (Editing::RegionListSortType) 0;
 281         have_pending_keyboard_selection = false;
 282         _follow_playhead = true;
 283         _xfade_visibility = true;
 284         editor_ruler_menu = 0;
 285         no_ruler_shown_update = false;
 286         edit_group_list_menu = 0;
 287         route_list_menu = 0;
 288         region_list_menu = 0;
 289         marker_menu = 0;
 290         range_marker_menu = 0;
 291         marker_menu_item = 0;
 292         tm_marker_menu = 0;
 293         transport_marker_menu = 0;
 294         new_transport_marker_menu = 0;
 295         editor_mixer_strip_width = Wide;
 296         repos_zoom_queued = false;
 297         region_edit_menu_split_item = 0;
 298         temp_location = 0;
 299         region_edit_menu_split_multichannel_item = 0;
 300         leftmost_frame = 0;
 301         ignore_mouse_mode_toggle = false;
 302         current_stepping_trackview = 0;
 303         entered_track = 0;
 304         entered_regionview = 0;
 305         clear_entered_track = false;
 306         _new_regionviews_show_envelope = false;
 307         current_timestretch = 0;
 308         in_edit_group_row_change = false;
 309         last_canvas_frame = 0;
 310         edit_cursor = 0;
 311         playhead_cursor = 0;
 312         button_release_can_deselect = true;
 313
 314         location_marker_color = color_map[cLocationMarker];
 315         location_range_color = color_map[cLocationRange];
 316         location_cd_marker_color = color_map[cLocationCDMarker];
 317         location_loop_color = color_map[cLocationLoop];
 318         location_punch_color = color_map[cLocationPunch];
 319
 320         range_marker_drag_rect = 0;
 321         marker_drag_line = 0;
 322
 323         set_mouse_mode (MouseObject, true);
 324
 325         frames_per_unit = 2048; /* too early to use set_frames_per_unit */
 326         reset_hscrollbar_stepping ();
 327
 328         zoom_focus = ZoomFocusLeft;
 329         set_zoom_focus (ZoomFocusLeft);
 330         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
 331
 332         initialize_rulers ();
 333         initialize_canvas ();
 334
 335         edit_controls_vbox.set_spacing (0);
 336         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::canvas_horizontally_scrolled));
 337         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling));
 338
 339         track_canvas.set_hadjustment (horizontal_adjustment);
 340         track_canvas.set_vadjustment (vertical_adjustment);
 341         time_canvas.set_hadjustment (horizontal_adjustment);
 342
 343         track_canvas.signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
 344         time_canvas.signal_map_event().connect (mem_fun (*this, &Editor::time_canvas_map_handler));
 345
 346         controls_layout.add (edit_controls_vbox);
 347         controls_layout.set_name ("EditControlsBase");
 348         controls_layout.add_events (Gdk::SCROLL_MASK);
 349         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
 350
 351         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 352         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
 353         controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
 354
 355         edit_vscrollbar.set_adjustment (vertical_adjustment);
 356         edit_hscrollbar.set_adjustment (horizontal_adjustment);
 357
 358         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press));
 359         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release));
 360         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
 361
 362         build_cursors ();
 363         setup_toolbar ();
 364
 365         edit_cursor_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_cursor_clock_changed));
 366
 367         time_canvas_vbox.pack_start (*minsec_ruler, false, false);
 368         time_canvas_vbox.pack_start (*smpte_ruler, false, false);
 369         time_canvas_vbox.pack_start (*frames_ruler, false, false);
 370         time_canvas_vbox.pack_start (*bbt_ruler, false, false);
 371         time_canvas_vbox.pack_start (time_canvas, true, true);
 372         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
 373
 374         bbt_label.set_name ("EditorTimeButton");
 375         bbt_label.set_size_request (-1, (int)timebar_height);
 376         bbt_label.set_alignment (1.0, 0.5);
 377         bbt_label.set_padding (5,0);
 378         minsec_label.set_name ("EditorTimeButton");
 379         minsec_label.set_size_request (-1, (int)timebar_height);
 380         minsec_label.set_alignment (1.0, 0.5);
 381         minsec_label.set_padding (5,0);
 382         smpte_label.set_name ("EditorTimeButton");
 383         smpte_label.set_size_request (-1, (int)timebar_height);
 384         smpte_label.set_alignment (1.0, 0.5);
 385         smpte_label.set_padding (5,0);
 386         frame_label.set_name ("EditorTimeButton");
 387         frame_label.set_size_request (-1, (int)timebar_height);
 388         frame_label.set_alignment (1.0, 0.5);
 389         frame_label.set_padding (5,0);
 390         tempo_label.set_name ("EditorTimeButton");
 391         tempo_label.set_size_request (-1, (int)timebar_height);
 392         tempo_label.set_alignment (1.0, 0.5);
 393         tempo_label.set_padding (5,0);
 394         meter_label.set_name ("EditorTimeButton");
 395         meter_label.set_size_request (-1, (int)timebar_height);
 396         meter_label.set_alignment (1.0, 0.5);
 397         meter_label.set_padding (5,0);
 398         mark_label.set_name ("EditorTimeButton");
 399         mark_label.set_size_request (-1, (int)timebar_height);
 400         mark_label.set_alignment (1.0, 0.5);
 401         mark_label.set_padding (5,0);
 402         range_mark_label.set_name ("EditorTimeButton");
 403         range_mark_label.set_size_request (-1, (int)timebar_height);
 404         range_mark_label.set_alignment (1.0, 0.5);
 405         range_mark_label.set_padding (5,0);
 406         transport_mark_label.set_name ("EditorTimeButton");
 407         transport_mark_label.set_size_request (-1, (int)timebar_height);
 408         transport_mark_label.set_alignment (1.0, 0.5);
 409         transport_mark_label.set_padding (5,0);
 410
 411         time_button_vbox.pack_start (minsec_label, false, false);
 412         time_button_vbox.pack_start (smpte_label, false, false);
 413         time_button_vbox.pack_start (frame_label, false, false);
 414         time_button_vbox.pack_start (bbt_label, false, false);
 415         time_button_vbox.pack_start (meter_label, false, false);
 416         time_button_vbox.pack_start (tempo_label, false, false);
 417         time_button_vbox.pack_start (mark_label, false, false);
 418
 419         time_button_event_box.add (time_button_vbox);
 420
 421         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 422         time_button_event_box.set_name ("TimebarLabelBase");
 423         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 424
 425         /* these enable us to have a dedicated window (for cursor setting, etc.)
 426            for the canvas areas.
 427         */
 428
 429         track_canvas_event_box.add (track_canvas);
 430
 431         time_canvas_event_box.add (time_canvas_vbox);
 432         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 433
 434         edit_packer.set_col_spacings (0);
 435         edit_packer.set_row_spacings (0);
 436         edit_packer.set_homogeneous (false);
 437         edit_packer.set_border_width (0);
 438         edit_packer.set_name ("EditorWindow");
 439
 440         edit_packer.attach (edit_vscrollbar,         0, 1, 1, 3,    FILL,        FILL|EXPAND, 0, 0);
 441
 442         edit_packer.attach (time_button_event_box,   1, 2, 0, 1,    FILL,        FILL, 0, 0);
 443         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 444
 445         edit_packer.attach (controls_layout,         1, 2, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
 446         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 2,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 447
 448         edit_packer.attach (edit_hscrollbar,         2, 3, 2, 3,    FILL|EXPAND,  FILL, 0, 0);
 449
 450         bottom_hbox.set_border_width (2);
 451         bottom_hbox.set_spacing (3);
 452
 453         route_display_model = ListStore::create(route_display_columns);
 454         route_list_display.set_model (route_display_model);
 455         route_list_display.append_column (_("Visible"), route_display_columns.visible);
 456         route_list_display.append_column (_("Name"), route_display_columns.text);
 457         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 458         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 459         route_list_display.set_headers_visible (true);
 460         route_list_display.set_name ("TrackListDisplay");
 461         route_list_display.get_selection()->set_mode (SELECTION_NONE);
 462         route_list_display.set_reorderable (true);
 463         route_list_display.set_size_request (100,-1);
 464
 465         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
 466         route_list_visible_cell->property_activatable() = true;
 467         route_list_visible_cell->property_radio() = false;
 468
 469         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
 470         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
 471
 472         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
 473
 474         route_list_scroller.add (route_list_display);
 475         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 476
 477         group_model = ListStore::create(group_columns);
 478         edit_group_display.set_model (group_model);
 479         edit_group_display.append_column (_("Name"), group_columns.text);
 480         edit_group_display.append_column (_("Active"), group_columns.is_active);
 481         edit_group_display.append_column (_("Visible"), group_columns.is_visible);
 482         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 483         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 484         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
 485         edit_group_display.get_column (0)->set_expand (true);
 486         edit_group_display.get_column (1)->set_expand (false);
 487         edit_group_display.get_column (2)->set_expand (false);
 488         edit_group_display.set_headers_visible (true);
 489
 490         /* name is directly editable */
 491
 492         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
 493         name_cell->property_editable() = true;
 494         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
 495
 496         /* use checkbox for the active + visible columns */
 497
 498         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 499         active_cell->property_activatable() = true;
 500         active_cell->property_radio() = false;
 501
 502         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 503         active_cell->property_activatable() = true;
 504         active_cell->property_radio() = false;
 505
 506         edit_group_display.set_name ("EditGroupList");
 507
 508         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
 509
 510         edit_group_display.set_name ("EditGroupList");
 511         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
 512         edit_group_display.set_reorderable (false);
 513         edit_group_display.set_rules_hint (true);
 514         edit_group_display.set_size_request (75, -1);
 515
 516         edit_group_display_scroller.add (edit_group_display);
 517         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 518
 519         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
 520
 521         VBox* edit_group_display_packer = manage (new VBox());
 522         HButtonBox* edit_group_display_button_box = manage (new HButtonBox());
 523         edit_group_display_button_box->set_homogeneous (true);
 524
 525         Button* edit_group_add_button = manage (new Button ());
 526         Button* edit_group_remove_button = manage (new Button ());
 527
 528         Widget* w;
 529
 530         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 531         w->show();
 532         edit_group_add_button->add (*w);
 533
 534         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 535         w->show();
 536         edit_group_remove_button->add (*w);
 537
 538         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
 539         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
 540
 541         edit_group_display_button_box->pack_start (*edit_group_add_button);
 542         edit_group_display_button_box->pack_start (*edit_group_remove_button);
 543
 544         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
 545         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
 546
 547         region_list_display.set_size_request (100, -1);
 548         region_list_display.set_name ("RegionListDisplay");
 549
 550         region_list_model = TreeStore::create (region_list_columns);
 551         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
 552         region_list_model->set_sort_column (0, SORT_ASCENDING);
 553
 554         region_list_display.set_model (region_list_model);
 555         region_list_display.append_column (_("Regions"), region_list_columns.name);
 556         region_list_display.set_headers_visible (false);
 557         region_list_display.set_hover_expand (true);
 558
 559         region_list_display.get_selection()->set_select_function (mem_fun (*this, &Editor::region_list_selection_filter));
 560
 561         TreeViewColumn* tv_col = region_list_display.get_column(0);
 562         CellRendererText* renderer = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
 563         tv_col->add_attribute(renderer->property_text(), region_list_columns.name);
 564         tv_col->add_attribute(renderer->property_foreground_gdk(), region_list_columns.color_);
 565
 566         region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
 567         region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
 568
 569         /* setup DnD handling */
 570
 571         list<TargetEntry> region_list_target_table;
 572
 573         region_list_target_table.push_back (TargetEntry ("text/plain"));
 574         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
 575         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 576
 577         region_list_display.add_drop_targets (region_list_target_table);
 578         region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
 579
 580         region_list_scroller.add (region_list_display);
 581         region_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 582
 583         region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
 584         region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
 585         region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
 586         region_list_display.signal_button_release_event().connect (mem_fun(*this, &Editor::region_list_display_button_release));
 587         region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
 588         // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
 589
 590         named_selection_scroller.add (named_selection_display);
 591         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 592
 593         named_selection_model = TreeStore::create (named_selection_columns);
 594         named_selection_display.set_model (named_selection_model);
 595         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
 596         named_selection_display.set_headers_visible (false);
 597         named_selection_display.set_size_request (100, -1);
 598         named_selection_display.set_name ("RegionListDisplay");
 599
 600         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
 601         named_selection_display.set_size_request (100, -1);
 602         named_selection_display.signal_button_press_event().connect (mem_fun(*this, &Editor::named_selection_display_button_press), false);
 603         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
 604
 605         /* SNAPSHOTS */
 606
 607         snapshot_display_model = ListStore::create (snapshot_display_columns);
 608         snapshot_display.set_model (snapshot_display_model);
 609         snapshot_display.append_column (X_("snapshot"), snapshot_display_columns.visible_name);
 610         snapshot_display.set_name ("SnapshotDisplayList");
 611         snapshot_display.set_size_request (75, -1);
 612         snapshot_display.set_headers_visible (false);
 613         snapshot_display.set_reorderable (false);
 614         snapshot_display_scroller.add (snapshot_display);
 615         snapshot_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 616
 617         snapshot_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::snapshot_display_selection_changed));
 618         snapshot_display.signal_button_press_event().connect (mem_fun (*this, &Editor::snapshot_display_button_press), false);
 619
 620         Gtk::Label* nlabel;
 621
 622         nlabel = manage (new Label (_("Regions")));
 623         nlabel->set_angle (-90);
 624         the_notebook.append_page (region_list_scroller, *nlabel);
 625         nlabel = manage (new Label (_("Tracks/Busses")));
 626         nlabel->set_angle (-90);
 627         the_notebook.append_page (route_list_scroller, *nlabel);
 628         nlabel = manage (new Label (_("Snapshots")));
 629         nlabel->set_angle (-90);
 630         the_notebook.append_page (snapshot_display_scroller, *nlabel);
 631         nlabel = manage (new Label (_("Edit Groups")));
 632         nlabel->set_angle (-90);
 633         the_notebook.append_page (*edit_group_display_packer, *nlabel);
 634         nlabel = manage (new Label (_("Chunks")));
 635         nlabel->set_angle (-90);
 636         the_notebook.append_page (named_selection_scroller, *nlabel);
 637
 638         the_notebook.set_show_tabs (true);
 639         the_notebook.set_scrollable (true);
 640         the_notebook.popup_enable ();
 641         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 642
 643         edit_pane.pack1 (edit_packer, true, true);
 644         edit_pane.pack2 (the_notebook, false, true);
 645
 646         edit_pane.signal_size_allocate().connect (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 647
 648         top_hbox.pack_start (toolbar_frame, true, true);
 649
 650         HBox *hbox = manage (new HBox);
 651         hbox->pack_start (edit_pane, true, true);
 652
 653         global_vpacker.pack_start (top_hbox, false, false);
 654         global_vpacker.pack_start (*hbox, true, true);
 655
 656         global_hpacker.pack_start (global_vpacker, true, true);
 657
 658         set_name ("EditorWindow");
 659         add_accel_group (ActionManager::ui_manager->get_accel_group());
 660
 661         vpacker.pack_end (global_hpacker, true, true);
 662
 663         /* register actions now so that set_state() can find them and set toggles/checks etc */
 664
 665         register_actions ();
 666
 667         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 668         set_state (*node);
 669
 670         _playlist_selector = new PlaylistSelector();
 671         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 672
 673         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
 674
 675         /* nudge stuff */
 676
 677         nudge_forward_button.add (*(manage (new Image (get_xpm("right_arrow.xpm")))));
 678         nudge_backward_button.add (*(manage (new Image (get_xpm("left_arrow.xpm")))));
 679
 680         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
 681         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
 682
 683         nudge_forward_button.set_name ("TransportButton");
 684         nudge_backward_button.set_name ("TransportButton");
 685
 686         fade_context_menu.set_name ("ArdourContextMenu");
 687
 688         set_title (_("ardour: editor"));
 689         set_wmclass (_("ardour_editor"), "Ardour");
 690
 691         add (vpacker);
 692         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 693
 694         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 695         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 696
 697         /* allow external control surfaces/protocols to do various things */
 698
 699         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
 700         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
 701         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
 702         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
 703         constructed = true;
 704         instant_save ();
 705
 706 }
 707
 708 Editor::~Editor()
 709 {
 710         /* <CMT Additions> */
 711         if(image_socket_listener)
 712         {
 713                 if(image_socket_listener->is_connected())
 714                 {
 715                         image_socket_listener->close_connection() ;
 716                 }
 717
 718                 delete image_socket_listener ;
 719                 image_socket_listener = 0 ;
 720         }
 721         /* </CMT Additions> */
 722 }
 723
 724 void
 725 Editor::add_toplevel_controls (Container& cont)
 726 {
 727         vpacker.pack_start (cont, false, false);
 728         cont.show_all ();
 729 }
 730
 731 void
 732 Editor::catch_vanishing_regionview (RegionView *rv)
 733 {
 734         /* note: the selection will take care of the vanishing
 735            audioregionview by itself.
 736         */
 737
 738         if (clicked_regionview == rv) {
 739                 clicked_regionview = 0;
 740         }
 741
 742         if (entered_regionview == rv) {
 743                 set_entered_regionview (0);
 744         }
 745 }
 746
 747 void
 748 Editor::set_entered_regionview (RegionView* rv)
 749 {
 750         if (rv == entered_regionview) {
 751                 return;
 752         }
 753
 754         if (entered_regionview) {
 755                 entered_regionview->exited ();
 756         }
 757
 758         if ((entered_regionview = rv) != 0) {
 759                 entered_regionview->entered ();
 760         }
 761 }
 762
 763 void
 764 Editor::set_entered_track (TimeAxisView* tav)
 765 {
 766         if (entered_track) {
 767                 entered_track->exited ();
 768         }
 769
 770         if ((entered_track = tav) != 0) {
 771                 entered_track->entered ();
 772         }
 773 }
 774
 775 void
 776 Editor::show_window ()
 777 {
 778         show_all ();
 779         present ();
 780
 781         /* now reset all audio_time_axis heights, because widgets might need
 782            to be re-hidden
 783         */
 784
 785         TimeAxisView *tv;
 786
 787         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 788                 tv = (static_cast<TimeAxisView*>(*i));
 789                 tv->reset_height ();
 790         }
 791 }
 792
 793 void
 794 Editor::tie_vertical_scrolling ()
 795 {
 796         double y1 = vertical_adjustment.get_value();
 797         controls_layout.get_vadjustment()->set_value (y1);
 798         playhead_cursor->set_y_axis(y1);
 799         edit_cursor->set_y_axis(y1);
 800 }
 801
 802 void
 803 Editor::set_frames_per_unit (double fpu)
 804 {
 805         jack_nframes_t frames;
 806
 807         if (fpu == frames_per_unit) {
 808                 return;
 809         }
 810
 811         if (fpu < 1.0) {
 812                 fpu = 1.0;
 813         }
 814
 815         // convert fpu to frame count
 816
 817         frames = (jack_nframes_t) floor (fpu * canvas_width);
 818
 819         /* don't allow zooms that fit more than the maximum number
 820            of frames into an 800 pixel wide space.
 821         */
 822
 823         if (max_frames / fpu < 800.0) {
 824                 return;
 825         }
 826
 827         frames_per_unit = fpu;
 828
 829         if (frames != zoom_range_clock.current_duration()) {
 830                 zoom_range_clock.set (frames);
 831         }
 832
 833         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
 834                 if (!selection->tracks.empty()) {
 835                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 836                                 (*i)->reshow_selection (selection->time);
 837                         }
 838                 } else {
 839                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 840                                 (*i)->reshow_selection (selection->time);
 841                         }
 842                 }
 843         }
 844
 845         ZoomChanged (); /* EMIT_SIGNAL */
 846
 847         reset_hscrollbar_stepping ();
 848         reset_scrolling_region ();
 849
 850         if (edit_cursor) edit_cursor->set_position (edit_cursor->current_frame);
 851         if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
 852
 853         instant_save ();
 854
 855 }
 856
 857 void
 858 Editor::instant_save ()
 859 {
 860         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 861                 return;
 862         }
 863
 864         if (session) {
 865                 session->add_instant_xml(get_state(), session->path());
 866         } else {
 867                 Config->add_instant_xml(get_state(), get_user_ardour_path());
 868         }
 869 }
 870
 871 void
 872 Editor::reposition_x_origin (jack_nframes_t frame)
 873 {
 874         if (frame != leftmost_frame) {
 875                 leftmost_frame = frame;
 876
 877                 jack_nframes_t rightmost_frame = leftmost_frame + current_page_frames ();
 878
 879                 if (rightmost_frame > last_canvas_frame) {
 880                         last_canvas_frame = rightmost_frame;
 881                         reset_scrolling_region ();
 882                 }
 883
 884                 horizontal_adjustment.set_value (frame/frames_per_unit);
 885         } else {
 886                 update_fixed_rulers();
 887                 tempo_map_changed (Change (0));
 888         }
 889 }
 890
 891 void
 892 Editor::edit_cursor_clock_changed()
 893 {
 894         if (edit_cursor->current_frame != edit_cursor_clock.current_time()) {
 895                 edit_cursor->set_position (edit_cursor_clock.current_time());
 896         }
 897 }
 898
 899
 900 void
 901 Editor::zoom_adjustment_changed ()
 902 {
 903         if (session == 0) {
 904                 return;
 905         }
 906
 907         double fpu = zoom_range_clock.current_duration() / canvas_width;
 908
 909         if (fpu < 1.0) {
 910                 fpu = 1.0;
 911                 zoom_range_clock.set ((jack_nframes_t) floor (fpu * canvas_width));
 912         } else if (fpu > session->current_end_frame() / canvas_width) {
 913                 fpu = session->current_end_frame() / canvas_width;
 914                 zoom_range_clock.set ((jack_nframes_t) floor (fpu * canvas_width));
 915         }
 916
 917         temporal_zoom (fpu);
 918 }
 919
 920 void
 921 Editor::control_scroll (float fraction)
 922 {
 923         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
 924
 925         if (!session) {
 926                 return;
 927         }
 928
 929         double step = fraction * current_page_frames();
 930         jack_nframes_t target;
 931
 932         if ((fraction < 0.0f) && (session->transport_frame() < (jack_nframes_t) fabs(step))) {
 933                 target = 0;
 934         } else if ((fraction > 0.0f) && (max_frames - session->transport_frame() < step)) {
 935                 target = (max_frames - (current_page_frames()*2)); // allow room for slop in where the PH is on the screen
 936         } else {
 937                 target = (session->transport_frame() + (jack_nframes_t) floor ((fraction * current_page_frames())));
 938         }
 939
 940         /* move visuals, we'll catch up with it later */
 941
 942         playhead_cursor->set_position (target);
 943
 944         if (target > (current_page_frames() / 2)) {
 945                 /* try to center PH in window */
 946                 reposition_x_origin (target - (current_page_frames()/2));
 947         } else {
 948                 reposition_x_origin (0);
 949         }
 950
 951         /* cancel the existing */
 952
 953         control_scroll_connection.disconnect ();
 954
 955         /* add the next one */
 956
 957         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), target), 50);
 958 }
 959
 960 bool
 961 Editor::deferred_control_scroll (jack_nframes_t target)
 962 {
 963         session->request_locate (target);
 964         return false;
 965 }
 966
 967 void
 968 Editor::canvas_horizontally_scrolled ()
 969 {
 970
 971         leftmost_frame = (jack_nframes_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
 972         update_fixed_rulers ();
 973         tempo_map_changed (Change (0));
 974
 975 }
 976
 977 void
 978 Editor::reposition_and_zoom (jack_nframes_t frame, double nfpu)
 979 {
 980         if (!repos_zoom_queued) {
 981                 repos_zoom_queued = true;
 982                 Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::deferred_reposition_and_zoom), frame, nfpu));
 983         }
 984 }
 985
 986 gint
 987 Editor::deferred_reposition_and_zoom (jack_nframes_t frame, double nfpu)
 988 {
 989
 990         set_frames_per_unit (nfpu);
 991         reposition_x_origin  (frame);
 992         repos_zoom_queued = false;
 993
 994         return FALSE;
 995 }
 996
 997 void
 998 Editor::on_realize ()
 999 {
1000         Window::on_realize ();
1001         Realized ();
1002 }
1003
1004 void
1005 Editor::queue_session_control_changed (Session::ControlType t)
1006 {
1007         Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &Editor::session_control_changed), t));
1008 }
1009
1010 void
1011 Editor::session_control_changed (Session::ControlType t)
1012 {
1013         // right now we're only tracking some state here
1014
1015         switch (t) {
1016         case Session::AutoLoop:
1017                 update_loop_range_view (true);
1018                 break;
1019         case Session::PunchIn:
1020         case Session::PunchOut:
1021                 update_punch_range_view (true);
1022                 break;
1023
1024         case Session::LayeringModel:
1025                 update_layering_model ();
1026                 break;
1027
1028         default:
1029                 break;
1030         }
1031 }
1032
1033 void
1034 Editor::start_scrolling ()
1035 {
1036         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
1037                 (mem_fun(*this, &Editor::update_current_screen));
1038 }
1039
1040 void
1041 Editor::stop_scrolling ()
1042 {
1043         scroll_connection.disconnect ();
1044 }
1045
1046 void
1047 Editor::map_position_change (jack_nframes_t frame)
1048 {
1049         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
1050
1051         if (session == 0 || !_follow_playhead) {
1052                 return;
1053         }
1054
1055         center_screen (frame);
1056         playhead_cursor->set_position (frame);
1057 }
1058
1059 void
1060 Editor::center_screen (jack_nframes_t frame)
1061 {
1062         double page = canvas_width * frames_per_unit;
1063
1064         /* if we're off the page, then scroll.
1065          */
1066
1067         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1068                 center_screen_internal (frame, page);
1069         }
1070 }
1071
1072 void
1073 Editor::center_screen_internal (jack_nframes_t frame, float page)
1074 {
1075         page /= 2;
1076
1077         if (frame > page) {
1078                 frame -= (jack_nframes_t) page;
1079         } else {
1080                 frame = 0;
1081         }
1082
1083     reposition_x_origin (frame);
1084 }
1085
1086 void
1087 Editor::handle_new_duration ()
1088 {
1089         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1090
1091         jack_nframes_t new_end = session->get_maximum_extent() + (jack_nframes_t) floorf (current_page_frames() * 0.10f);
1092
1093         if (new_end > last_canvas_frame) {
1094                 last_canvas_frame = new_end;
1095                 reset_scrolling_region ();
1096         }
1097
1098         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
1099 }
1100
1101 void
1102 Editor::update_title_s (const string & snap_name)
1103 {
1104         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1105
1106         update_title ();
1107 }
1108
1109 void
1110 Editor::update_title ()
1111 {
1112         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1113
1114         if (session) {
1115                 bool dirty = session->dirty();
1116
1117                 string wintitle = _("ardour: editor: ");
1118
1119                 if (dirty) {
1120                         wintitle += '[';
1121                 }
1122
1123                 wintitle += session->name();
1124
1125                 if (session->snap_name() != session->name()) {
1126                         wintitle += ':';
1127                         wintitle += session->snap_name();
1128                 }
1129
1130                 if (dirty) {
1131                         wintitle += ']';
1132                 }
1133
1134                 set_title (wintitle);
1135         }
1136 }
1137
1138 void
1139 Editor::connect_to_session (Session *t)
1140 {
1141         session = t;
1142
1143         if (first_action_message) {
1144                 first_action_message->hide();
1145         }
1146
1147         update_title ();
1148
1149         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1150
1151         /* These signals can all be emitted by a non-GUI thread. Therefore the
1152            handlers for them must not attempt to directly interact with the GUI,
1153            but use Gtkmm2ext::UI::instance()->call_slot();
1154         */
1155
1156         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1157         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1158         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1159         session_connections.push_back (session->AudioRegionAdded.connect (mem_fun(*this, &Editor::handle_new_audio_region)));
1160         session_connections.push_back (session->AudioRegionRemoved.connect (mem_fun(*this, &Editor::handle_audio_region_removed)));
1161         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1162         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1163         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1164         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1165         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1166         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1167         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1168         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1169         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1170
1171         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1172         session_connections.push_back (session->SMPTETypeChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1173
1174         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1175
1176         edit_groups_changed ();
1177
1178         edit_cursor_clock.set_session (session);
1179         zoom_range_clock.set_session (session);
1180         _playlist_selector->set_session (session);
1181         nudge_clock.set_session (session);
1182
1183 #ifdef FFT_ANALYSIS
1184         if (analysis_window != 0)
1185                 analysis_window->set_session (session);
1186 #endif
1187
1188         switch (session->get_edit_mode()) {
1189         case Splice:
1190                 edit_mode_selector.set_active_text (edit_mode_strings[splice_index]);
1191                 break;
1192
1193         case Slide:
1194                 edit_mode_selector.set_active_text (edit_mode_strings[slide_index]);
1195                 break;
1196         }
1197
1198         Location* loc = session->locations()->auto_loop_location();
1199         if (loc == 0) {
1200                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1201                 if (loc->start() == loc->end()) {
1202                         loc->set_end (loc->start() + 1);
1203                 }
1204                 session->locations()->add (loc, false);
1205                 session->set_auto_loop_location (loc);
1206         }
1207         else {
1208                 // force name
1209                 loc->set_name (_("Loop"));
1210         }
1211
1212         loc = session->locations()->auto_punch_location();
1213         if (loc == 0) {
1214                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1215                 if (loc->start() == loc->end()) {
1216                         loc->set_end (loc->start() + 1);
1217                 }
1218                 session->locations()->add (loc, false);
1219                 session->set_auto_punch_location (loc);
1220         }
1221         else {
1222                 // force name
1223                 loc->set_name (_("Punch"));
1224         }
1225
1226         update_loop_range_view (true);
1227         update_punch_range_view (true);
1228
1229         session->ControlChanged.connect (mem_fun(*this, &Editor::queue_session_control_changed));
1230         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1231
1232         refresh_location_display ();
1233         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1234         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1235         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1236         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1237         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1238
1239         bool yn;
1240         RefPtr<Action> act;
1241
1242         act = ActionManager::get_action (X_("Editor"), X_("toggle-xfades-active"));
1243         if (act) {
1244                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
1245                 /* do it twice to force the change */
1246                 yn = session->get_crossfades_active();
1247                 tact->set_active (!yn);
1248                 tact->set_active (yn);
1249         }
1250
1251         act = ActionManager::get_action (X_("Editor"), X_("toggle-auto-xfades"));
1252         if (act) {
1253                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
1254                 /* do it twice to force the change */
1255                 yn = Config->get_auto_xfade ();
1256                 tact->set_active (!yn);
1257                 tact->set_active (yn);
1258         }
1259
1260         /* xfade visibility state set from editor::set_state() */
1261
1262         update_crossfade_model ();
1263         update_layering_model ();
1264
1265         handle_new_duration ();
1266
1267         redisplay_regions ();
1268         redisplay_named_selections ();
1269         redisplay_snapshots ();
1270
1271         initial_route_list_display ();
1272
1273         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1274                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1275         }
1276
1277         /* ::reposition_x_origin() doesn't work right here, since the old
1278            position may be zero already, and it does nothing in such
1279            circumstances.
1280         */
1281
1282         leftmost_frame = 0;
1283
1284         horizontal_adjustment.set_value (0);
1285
1286         restore_ruler_visibility ();
1287         //tempo_map_changed (Change (0));
1288         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1289
1290         edit_cursor->set_position (0);
1291         playhead_cursor->set_position (0);
1292
1293         start_scrolling ();
1294
1295         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1296         set_state (*node);
1297
1298         /* don't show master bus in a new session */
1299
1300         if (ARDOUR_UI::instance()->session_is_new ()) {
1301
1302                 TreeModel::Children rows = route_display_model->children();
1303                 TreeModel::Children::iterator i;
1304
1305                 no_route_list_redisplay = true;
1306
1307                 for (i = rows.begin(); i != rows.end(); ++i) {
1308                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1309                         AudioTimeAxisView *atv;
1310
1311                         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) != 0) {
1312                                 if (atv->route()->master()) {
1313                                         route_list_display.get_selection()->unselect (i);
1314                                 }
1315                         }
1316                 }
1317
1318                 no_route_list_redisplay = false;
1319                 redisplay_route_list ();
1320         }
1321
1322         /* register for undo history */
1323
1324         session->register_with_memento_command_factory(_id, this);
1325 }
1326
1327 void
1328 Editor::build_cursors ()
1329 {
1330         using namespace Gdk;
1331
1332         Gdk::Color mbg ("#000000" ); /* Black */
1333         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1334
1335         {
1336                 RefPtr<Bitmap> source, mask;
1337                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1338                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1339                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1340         }
1341
1342         Gdk::Color fbg ("#ffffff" );
1343         Gdk::Color ffg  ("#000000" );
1344
1345         {
1346                 RefPtr<Bitmap> source, mask;
1347
1348                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1349                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1350                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1351         }
1352
1353         {
1354                 RefPtr<Bitmap> source, mask;
1355                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1356                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1357                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1358         }
1359
1360         grabber_cursor = new Gdk::Cursor (HAND2);
1361         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1362         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1363         selector_cursor = new Gdk::Cursor (XTERM);
1364         time_fx_cursor = new Gdk::Cursor (SIZING);
1365         wait_cursor = new Gdk::Cursor  (WATCH);
1366         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1367 }
1368
1369 void
1370 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1371 {
1372         using namespace Menu_Helpers;
1373         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1374
1375         if (arv == 0) {
1376                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1377                 /*NOTREACHED*/
1378         }
1379
1380         MenuList& items (fade_context_menu.items());
1381         AudioRegion& ar (*arv->audio_region().get()); // FIXME
1382
1383         items.clear ();
1384
1385         switch (item_type) {
1386         case FadeInItem:
1387         case FadeInHandleItem:
1388                 if (arv->audio_region()->fade_in_active()) {
1389                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), false)));
1390                 } else {
1391                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), true)));
1392                 }
1393
1394                 items.push_back (SeparatorElem());
1395
1396                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::Linear)));
1397                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::LogB)));
1398                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::Fast)));
1399                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::LogA)));
1400                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (ar, &AudioRegion::set_fade_in_shape), AudioRegion::Slow)));
1401                 break;
1402
1403         case FadeOutItem:
1404         case FadeOutHandleItem:
1405                 if (arv->audio_region()->fade_out_active()) {
1406                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), false)));
1407                 } else {
1408                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), true)));
1409                 }
1410
1411                 items.push_back (SeparatorElem());
1412
1413                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::Linear)));
1414                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::Fast)));
1415                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::LogB)));
1416                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::LogA)));
1417                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (ar, &AudioRegion::set_fade_out_shape), AudioRegion::Slow)));
1418
1419                 break;
1420         default:
1421                 fatal << _("programming error: ")
1422                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1423                       << endmsg;
1424                 /*NOTREACHED*/
1425         }
1426
1427         fade_context_menu.popup (button, time);
1428 }
1429
1430 void
1431 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, jack_nframes_t frame)
1432 {
1433         using namespace Menu_Helpers;
1434         Menu* (Editor::*build_menu_function)(jack_nframes_t);
1435         Menu *menu;
1436
1437         switch (item_type) {
1438         case RegionItem:
1439         case RegionViewName:
1440         case RegionViewNameHighlight:
1441                 if (with_selection) {
1442                         build_menu_function = &Editor::build_track_selection_context_menu;
1443                 } else {
1444                         build_menu_function = &Editor::build_track_region_context_menu;
1445                 }
1446                 break;
1447
1448         case SelectionItem:
1449                 if (with_selection) {
1450                         build_menu_function = &Editor::build_track_selection_context_menu;
1451                 } else {
1452                         build_menu_function = &Editor::build_track_context_menu;
1453                 }
1454                 break;
1455
1456         case CrossfadeViewItem:
1457                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1458                 break;
1459
1460         case StreamItem:
1461                 if (clicked_audio_trackview->get_diskstream()) {
1462                         build_menu_function = &Editor::build_track_context_menu;
1463                 } else {
1464                         build_menu_function = &Editor::build_track_bus_context_menu;
1465                 }
1466                 break;
1467
1468         default:
1469                 /* probably shouldn't happen but if it does, we don't care */
1470                 return;
1471         }
1472
1473         menu = (this->*build_menu_function)(frame);
1474         menu->set_name ("ArdourContextMenu");
1475
1476         /* now handle specific situations */
1477
1478         switch (item_type) {
1479         case RegionItem:
1480         case RegionViewName:
1481         case RegionViewNameHighlight:
1482                 if (!with_selection) {
1483                         if (region_edit_menu_split_item) {
1484                                 if (clicked_regionview && clicked_regionview->region()->covers (edit_cursor->current_frame)) {
1485                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, true);
1486                                 } else {
1487                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, false);
1488                                 }
1489                         }
1490                         /*
1491                         if (region_edit_menu_split_multichannel_item) {
1492                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1493                                         // GTK2FIX find the action, change its sensitivity
1494                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1495                                 } else {
1496                                         // GTK2FIX see above
1497                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1498                                 }
1499                         }*/
1500                 }
1501                 break;
1502
1503         case SelectionItem:
1504                 break;
1505
1506         case CrossfadeViewItem:
1507                 break;
1508
1509         case StreamItem:
1510                 break;
1511
1512         default:
1513                 /* probably shouldn't happen but if it does, we don't care */
1514                 return;
1515         }
1516
1517         if (clicked_audio_trackview && clicked_audio_trackview->audio_track()) {
1518
1519                 /* Bounce to disk */
1520
1521                 using namespace Menu_Helpers;
1522                 MenuList& edit_items  = menu->items();
1523
1524                 edit_items.push_back (SeparatorElem());
1525
1526                 switch (clicked_audio_trackview->audio_track()->freeze_state()) {
1527                 case AudioTrack::NoFreeze:
1528                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1529                         break;
1530
1531                 case AudioTrack::Frozen:
1532                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1533                         break;
1534
1535                 case AudioTrack::UnFrozen:
1536                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1537                         break;
1538                 }
1539
1540         }
1541
1542         menu->popup (button, time);
1543 }
1544
1545 Menu*
1546 Editor::build_track_context_menu (jack_nframes_t ignored)
1547 {
1548         using namespace Menu_Helpers;
1549
1550         MenuList& edit_items = track_context_menu.items();
1551         edit_items.clear();
1552
1553         add_dstream_context_items (edit_items);
1554         return &track_context_menu;
1555 }
1556
1557 Menu*
1558 Editor::build_track_bus_context_menu (jack_nframes_t ignored)
1559 {
1560         using namespace Menu_Helpers;
1561
1562         MenuList& edit_items = track_context_menu.items();
1563         edit_items.clear();
1564
1565         add_bus_context_items (edit_items);
1566         return &track_context_menu;
1567 }
1568
1569 Menu*
1570 Editor::build_track_region_context_menu (jack_nframes_t frame)
1571 {
1572         using namespace Menu_Helpers;
1573         MenuList& edit_items  = track_region_context_menu.items();
1574         edit_items.clear();
1575
1576         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1577
1578         if (atv) {
1579                 boost::shared_ptr<Diskstream> ds;
1580                 Playlist* pl;
1581
1582                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
1583                         Playlist::RegionList* regions = pl->regions_at ((jack_nframes_t) floor ( (double)frame * ds->speed()));
1584                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1585                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1586                         }
1587                         delete regions;
1588                 }
1589         }
1590
1591         add_dstream_context_items (edit_items);
1592
1593         return &track_region_context_menu;
1594 }
1595
1596 Menu*
1597 Editor::build_track_crossfade_context_menu (jack_nframes_t frame)
1598 {
1599         using namespace Menu_Helpers;
1600         MenuList& edit_items  = track_crossfade_context_menu.items();
1601         edit_items.clear ();
1602
1603         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1604
1605         if (atv) {
1606                 boost::shared_ptr<Diskstream> ds;
1607                 Playlist* pl;
1608                 AudioPlaylist* apl;
1609
1610                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = dynamic_cast<AudioPlaylist*> (pl)) != 0)) {
1611
1612                         Playlist::RegionList* regions = pl->regions_at (frame);
1613                         AudioPlaylist::Crossfades xfades;
1614
1615                         apl->crossfades_at (frame, xfades);
1616
1617                         bool many = xfades.size() > 1;
1618
1619                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1620                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1621                         }
1622
1623                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1624                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1625                         }
1626
1627                         delete regions;
1628                 }
1629         }
1630
1631         add_dstream_context_items (edit_items);
1632
1633         return &track_crossfade_context_menu;
1634 }
1635
1636 #ifdef FFT_ANALYSIS
1637 void
1638 Editor::analyze_region_selection()
1639 {
1640         if (analysis_window == 0) {
1641                 analysis_window = new AnalysisWindow();
1642
1643                 if (session != 0)
1644                         analysis_window->set_session(session);
1645
1646                 analysis_window->show_all();
1647         }
1648
1649         analysis_window->set_regionmode();
1650         analysis_window->analyze();
1651
1652         analysis_window->present();
1653 }
1654
1655 void
1656 Editor::analyze_range_selection()
1657 {
1658         if (analysis_window == 0) {
1659                 analysis_window = new AnalysisWindow();
1660
1661                 if (session != 0)
1662                         analysis_window->set_session(session);
1663
1664                 analysis_window->show_all();
1665         }
1666
1667         analysis_window->set_rangemode();
1668         analysis_window->analyze();
1669
1670         analysis_window->present();
1671 }
1672 #endif /* FFT_ANALYSIS */
1673
1674
1675
1676 Menu*
1677 Editor::build_track_selection_context_menu (jack_nframes_t ignored)
1678 {
1679         using namespace Menu_Helpers;
1680         MenuList& edit_items  = track_selection_context_menu.items();
1681         edit_items.clear ();
1682
1683         add_selection_context_items (edit_items);
1684         add_dstream_context_items (edit_items);
1685
1686         return &track_selection_context_menu;
1687 }
1688
1689 void
1690 Editor::add_crossfade_context_items (AudioStreamView* view, Crossfade* xfade, Menu_Helpers::MenuList& edit_items, bool many)
1691 {
1692         using namespace Menu_Helpers;
1693         Menu     *xfade_menu = manage (new Menu);
1694         MenuList& items       = xfade_menu->items();
1695         xfade_menu->set_name ("ArdourContextMenu");
1696         string str;
1697
1698         if (xfade->active()) {
1699                 str = _("Mute");
1700         } else {
1701                 str = _("Unmute");
1702         }
1703
1704         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), xfade)));
1705         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), xfade)));
1706
1707         if (xfade->can_follow_overlap()) {
1708
1709                 if (xfade->following_overlap()) {
1710                         str = _("Convert to short");
1711                 } else {
1712                         str = _("Convert to full");
1713                 }
1714
1715                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1716         }
1717
1718         if (many) {
1719                 str = xfade->out()->name();
1720                 str += "->";
1721                 str += xfade->in()->name();
1722         } else {
1723                 str = _("Crossfade");
1724         }
1725
1726         edit_items.push_back (MenuElem (str, *xfade_menu));
1727         edit_items.push_back (SeparatorElem());
1728 }
1729
1730 void
1731 Editor::xfade_edit_left_region ()
1732 {
1733         if (clicked_crossfadeview) {
1734                 clicked_crossfadeview->left_view.show_region_editor ();
1735         }
1736 }
1737
1738 void
1739 Editor::xfade_edit_right_region ()
1740 {
1741         if (clicked_crossfadeview) {
1742                 clicked_crossfadeview->right_view.show_region_editor ();
1743         }
1744 }
1745
1746 void
1747 Editor::add_region_context_items (AudioStreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1748 {
1749         using namespace Menu_Helpers;
1750         Menu     *region_menu = manage (new Menu);
1751         MenuList& items       = region_menu->items();
1752         region_menu->set_name ("ArdourContextMenu");
1753
1754         boost::shared_ptr<AudioRegion> ar;
1755
1756         if (region) {
1757                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1758         }
1759
1760         /* when this particular menu pops up, make the relevant region
1761            become selected.
1762         */
1763
1764         region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, region));
1765
1766         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1767         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1768         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1769         items.push_back (SeparatorElem());
1770         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_cursor)));
1771         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1772         items.push_back (SeparatorElem());
1773
1774         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::audition_selected_region)));
1775         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1776         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1777
1778 #ifdef FFT_ANALYSIS
1779         items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
1780 #endif
1781
1782         items.push_back (SeparatorElem());
1783
1784         /* XXX hopefully this nonsense will go away with SigC++ 2.X, where the compiler
1785            might be able to figure out which overloaded member function to use in
1786            a bind() call ...
1787         */
1788
1789         void (Editor::*type_A_pmf)(void (Region::*pmf)(bool), bool) = &Editor::region_selection_op;
1790
1791         items.push_back (MenuElem (_("Lock"), bind (mem_fun(*this, type_A_pmf), &Region::set_locked, true)));
1792         items.push_back (MenuElem (_("Unlock"), bind (mem_fun(*this, type_A_pmf), &Region::set_locked, false)));
1793         items.push_back (SeparatorElem());
1794
1795         if (region->muted()) {
1796                 items.push_back (MenuElem (_("Unmute"), bind (mem_fun(*this, type_A_pmf), &Region::set_muted, false)));
1797         } else {
1798                 items.push_back (MenuElem (_("Mute"), bind (mem_fun(*this, type_A_pmf), &Region::set_muted, true)));
1799         }
1800         items.push_back (SeparatorElem());
1801
1802         items.push_back (MenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1803         items.push_back (SeparatorElem());
1804
1805
1806         if (ar) {
1807
1808                 items.push_back (MenuElem (_("Toggle envelope visibility"), mem_fun(*this, &Editor::toggle_gain_envelope_visibility)));
1809                 items.push_back (MenuElem (_("Toggle envelope active"), mem_fun(*this, &Editor::toggle_gain_envelope_active)));
1810                 items.push_back (SeparatorElem());
1811
1812                 if (ar->scale_amplitude() != 1.0f) {
1813                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1814                 } else {
1815                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1816                 }
1817         }
1818         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1819         items.push_back (SeparatorElem());
1820
1821
1822         /* range related stuff */
1823
1824         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1825         items.push_back (MenuElem (_("Set Range"), mem_fun (*this, &Editor::set_selection_from_audio_region)));
1826         items.push_back (SeparatorElem());
1827
1828         /* Nudge region */
1829
1830         Menu *nudge_menu = manage (new Menu());
1831         MenuList& nudge_items = nudge_menu->items();
1832         nudge_menu->set_name ("ArdourContextMenu");
1833
1834         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false))));
1835         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false))));
1836         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1837         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1838
1839         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1840         items.push_back (SeparatorElem());
1841
1842         Menu *trim_menu = manage (new Menu);
1843         MenuList& trim_items = trim_menu->items();
1844         trim_menu->set_name ("ArdourContextMenu");
1845
1846         trim_items.push_back (MenuElem (_("Start to edit cursor"), mem_fun(*this, &Editor::trim_region_from_edit_cursor)));
1847         trim_items.push_back (MenuElem (_("Edit cursor to end"), mem_fun(*this, &Editor::trim_region_to_edit_cursor)));
1848
1849         items.push_back (MenuElem (_("Trim"), *trim_menu));
1850         items.push_back (SeparatorElem());
1851
1852         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1853         region_edit_menu_split_item = &items.back();
1854
1855         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1856         region_edit_menu_split_multichannel_item = &items.back();
1857
1858         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1859         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1860         items.push_back (SeparatorElem());
1861         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
1862         items.push_back (SeparatorElem());
1863         items.push_back (MenuElem (_("Destroy"), mem_fun(*this, &Editor::destroy_clicked_region)));
1864
1865         /* OK, stick the region submenu at the top of the list, and then add
1866            the standard items.
1867         */
1868
1869         /* we have to hack up the region name because "_" has a special
1870            meaning for menu titles.
1871         */
1872
1873         string::size_type pos = 0;
1874         string menu_item_name = region->name();
1875
1876         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1877                 menu_item_name.replace (pos, 1, "__");
1878                 pos += 2;
1879         }
1880
1881         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1882         edit_items.push_back (SeparatorElem());
1883 }
1884
1885 void
1886 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1887 {
1888         using namespace Menu_Helpers;
1889         Menu     *selection_menu = manage (new Menu);
1890         MenuList& items       = selection_menu->items();
1891         selection_menu->set_name ("ArdourContextMenu");
1892
1893         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1894         items.push_back (MenuElem (_("Loop range"), mem_fun(*this, &Editor::set_route_loop_selection)));
1895
1896 #ifdef FFT_ANALYSIS
1897         items.push_back (SeparatorElem());
1898         items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
1899 #endif
1900
1901         items.push_back (SeparatorElem());
1902         items.push_back (MenuElem (_("Separate range to track"), mem_fun(*this, &Editor::separate_region_from_selection)));
1903         items.push_back (MenuElem (_("Separate range to region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1904
1905         items.push_back (SeparatorElem());
1906         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1907         items.push_back (SeparatorElem());
1908         items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1909         items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1910         items.push_back (SeparatorElem());
1911         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1912         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1913         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1914         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::name_selection)));
1915         items.push_back (SeparatorElem());
1916         items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
1917         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
1918
1919         edit_items.push_back (MenuElem (_("Range"), *selection_menu));
1920         edit_items.push_back (SeparatorElem());
1921 }
1922
1923 void
1924 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1925 {
1926         using namespace Menu_Helpers;
1927
1928         /* Playback */
1929
1930         Menu *play_menu = manage (new Menu);
1931         MenuList& play_items = play_menu->items();
1932         play_menu->set_name ("ArdourContextMenu");
1933
1934         play_items.push_back (MenuElem (_("Play from edit cursor")));
1935         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1936         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1937         play_items.push_back (SeparatorElem());
1938         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1939
1940         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1941
1942         /* Selection */
1943
1944         Menu *select_menu = manage (new Menu);
1945         MenuList& select_items = select_menu->items();
1946         select_menu->set_name ("ArdourContextMenu");
1947
1948         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1949         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1950         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1951         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1952         select_items.push_back (SeparatorElem());
1953         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1954         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1955         select_items.push_back (SeparatorElem());
1956         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1957         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1958         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1959         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1960         select_items.push_back (MenuElem (_("Select all between cursors"), bind (mem_fun(*this, &Editor::select_all_selectables_between_cursors), playhead_cursor, edit_cursor)));
1961         select_items.push_back (SeparatorElem());
1962
1963         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1964
1965         /* Cut-n-Paste */
1966
1967         Menu *cutnpaste_menu = manage (new Menu);
1968         MenuList& cutnpaste_items = cutnpaste_menu->items();
1969         cutnpaste_menu->set_name ("ArdourContextMenu");
1970
1971         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1972         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1973         cutnpaste_items.push_back (MenuElem (_("Paste at edit cursor"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1974         cutnpaste_items.push_back (MenuElem (_("Paste at mouse"), mem_fun(*this, &Editor::mouse_paste)));
1975
1976         cutnpaste_items.push_back (SeparatorElem());
1977
1978         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
1979         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
1980
1981         cutnpaste_items.push_back (SeparatorElem());
1982
1983         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
1984
1985         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1986
1987         /* Adding new material */
1988
1989         edit_items.push_back (SeparatorElem());
1990         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1991         edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1992
1993         /* Nudge track */
1994
1995         Menu *nudge_menu = manage (new Menu());
1996         MenuList& nudge_items = nudge_menu->items();
1997         nudge_menu->set_name ("ArdourContextMenu");
1998
1999         edit_items.push_back (SeparatorElem());
2000         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2001         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2002         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2003         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2004
2005         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2006 }
2007
2008 void
2009 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2010 {
2011         using namespace Menu_Helpers;
2012
2013         /* Playback */
2014
2015         Menu *play_menu = manage (new Menu);
2016         MenuList& play_items = play_menu->items();
2017         play_menu->set_name ("ArdourContextMenu");
2018
2019         play_items.push_back (MenuElem (_("Play from edit cursor")));
2020         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2021         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2022
2023         /* Selection */
2024
2025         Menu *select_menu = manage (new Menu);
2026         MenuList& select_items = select_menu->items();
2027         select_menu->set_name ("ArdourContextMenu");
2028
2029         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2030         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2031         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2032         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2033         select_items.push_back (SeparatorElem());
2034         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
2035         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
2036         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2037         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2038
2039         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2040
2041         /* Cut-n-Paste */
2042
2043         Menu *cutnpaste_menu = manage (new Menu);
2044         MenuList& cutnpaste_items = cutnpaste_menu->items();
2045         cutnpaste_menu->set_name ("ArdourContextMenu");
2046
2047         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2048         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2049         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2050
2051         Menu *nudge_menu = manage (new Menu());
2052         MenuList& nudge_items = nudge_menu->items();
2053         nudge_menu->set_name ("ArdourContextMenu");
2054
2055         edit_items.push_back (SeparatorElem());
2056         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2057         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2058         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2059         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2060
2061         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2062 }
2063
2064 /* CURSOR SETTING AND MARKS AND STUFF */
2065
2066 void
2067 Editor::set_snap_to (SnapType st)
2068 {
2069         snap_type = st;
2070         vector<string> txt = internationalize (snap_type_strings);
2071         snap_type_selector.set_active_text (txt[(int)st]);
2072
2073         instant_save ();
2074
2075         switch (snap_type) {
2076         case SnapToAThirtysecondBeat:
2077         case SnapToASixteenthBeat:
2078         case SnapToAEighthBeat:
2079         case SnapToAQuarterBeat:
2080         case SnapToAThirdBeat:
2081                 update_tempo_based_rulers ();
2082         default:
2083                 /* relax */
2084                 break;
2085     }
2086 }
2087
2088 void
2089 Editor::set_snap_mode (SnapMode mode)
2090 {
2091         snap_mode = mode;
2092         vector<string> txt = internationalize (snap_mode_strings);
2093         snap_mode_selector.set_active_text (txt[(int)mode]);
2094
2095         instant_save ();
2096 }
2097
2098 int
2099 Editor::set_state (const XMLNode& node)
2100 {
2101         const XMLProperty* prop;
2102         XMLNode* geometry;
2103         int x, y, xoff, yoff;
2104         Gdk::Geometry g;
2105
2106         if ((prop = node.property ("id")) != 0) {
2107                 _id = prop->value ();
2108         }
2109
2110         if ((geometry = find_named_node (node, "geometry")) == 0) {
2111
2112                 g.base_width = default_width;
2113                 g.base_height = default_height;
2114                 x = 1;
2115                 y = 1;
2116                 xoff = 0;
2117                 yoff = 21;
2118
2119         } else {
2120
2121                 g.base_width = atoi(geometry->property("x_size")->value());
2122                 g.base_height = atoi(geometry->property("y_size")->value());
2123                 x = atoi(geometry->property("x_pos")->value());
2124                 y = atoi(geometry->property("y_pos")->value());
2125                 xoff = atoi(geometry->property("x_off")->value());
2126                 yoff = atoi(geometry->property("y_off")->value());
2127         }
2128
2129         set_default_size (g.base_width, g.base_height);
2130         move (x, y);
2131
2132         if ((prop = node.property ("zoom-focus"))) {
2133                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2134         }
2135
2136         if ((prop = node.property ("zoom"))) {
2137                 set_frames_per_unit (PBD::atof (prop->value()));
2138         }
2139
2140         if ((prop = node.property ("snap-to"))) {
2141                 set_snap_to ((SnapType) atoi (prop->value()));
2142         }
2143
2144         if ((prop = node.property ("snap-mode"))) {
2145                 set_snap_mode ((SnapMode) atoi (prop->value()));
2146         }
2147
2148         if ((prop = node.property ("mouse-mode"))) {
2149                 MouseMode m = str2mousemode(prop->value());
2150                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2151                 set_mouse_mode (m, true);
2152         } else {
2153                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2154                 set_mouse_mode (MouseObject, true);
2155         }
2156
2157         if ((prop = node.property ("show-waveforms"))) {
2158                 bool yn = (prop->value() == "yes");
2159                 _show_waveforms = !yn;
2160                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
2161                 if (act) {
2162                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2163                         /* do it twice to force the change */
2164                         tact->set_active (!yn);
2165                         tact->set_active (yn);
2166                 }
2167         }
2168
2169         if ((prop = node.property ("show-waveforms-recording"))) {
2170                 bool yn = (prop->value() == "yes");
2171                 _show_waveforms_recording = !yn;
2172                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2173                 if (act) {
2174                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2175                         /* do it twice to force the change */
2176                         tact->set_active (!yn);
2177                         tact->set_active (yn);
2178                 }
2179         }
2180
2181         if ((prop = node.property ("show-measures"))) {
2182                 bool yn = (prop->value() == "yes");
2183                 _show_measures = !yn;
2184                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2185                 if (act) {
2186                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2187                         /* do it twice to force the change */
2188                         tact->set_active (!yn);
2189                         tact->set_active (yn);
2190                 }
2191         }
2192
2193         if ((prop = node.property ("follow-playhead"))) {
2194                 bool yn = (prop->value() == "yes");
2195                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2196                 if (act) {
2197                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2198                         /* do it twice to force the change */
2199                         tact->set_active (!yn);
2200                         tact->set_active (yn);
2201                 }
2202         }
2203
2204
2205         if ((prop = node.property ("region-list-sort-type"))) {
2206                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change
2207                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2208         }
2209
2210         if ((prop = node.property ("xfades-visible"))) {
2211                 bool yn = (prop->value() == "yes");
2212                 _xfade_visibility = !yn;
2213                 // set_xfade_visibility (yn);
2214         }
2215
2216         if ((prop = node.property ("show-editor-mixer"))) {
2217
2218                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2219                 if (act) {
2220                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2221                         bool yn = (prop->value() == X_("yes"));
2222
2223                         /* do it twice to force the change */
2224
2225                         tact->set_active (!yn);
2226                         tact->set_active (yn);
2227                 }
2228         }
2229
2230
2231         return 0;
2232 }
2233
2234 XMLNode&
2235 Editor::get_state ()
2236 {
2237         XMLNode* node = new XMLNode ("Editor");
2238         char buf[32];
2239
2240         _id.print (buf);
2241         node->add_property ("id", buf);
2242
2243         if (is_realized()) {
2244                 Glib::RefPtr<Gdk::Window> win = get_window();
2245
2246                 int x, y, xoff, yoff, width, height;
2247                 win->get_root_origin(x, y);
2248                 win->get_position(xoff, yoff);
2249                 win->get_size(width, height);
2250
2251                 XMLNode* geometry = new XMLNode ("geometry");
2252
2253                 snprintf(buf, sizeof(buf), "%d", width);
2254                 geometry->add_property("x_size", string(buf));
2255                 snprintf(buf, sizeof(buf), "%d", height);
2256                 geometry->add_property("y_size", string(buf));
2257                 snprintf(buf, sizeof(buf), "%d", x);
2258                 geometry->add_property("x_pos", string(buf));
2259                 snprintf(buf, sizeof(buf), "%d", y);
2260                 geometry->add_property("y_pos", string(buf));
2261                 snprintf(buf, sizeof(buf), "%d", xoff);
2262                 geometry->add_property("x_off", string(buf));
2263                 snprintf(buf, sizeof(buf), "%d", yoff);
2264                 geometry->add_property("y_off", string(buf));
2265                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2266                 geometry->add_property("edit_pane_pos", string(buf));
2267
2268                 node->add_child_nocopy (*geometry);
2269         }
2270
2271         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2272         node->add_property ("zoom-focus", buf);
2273         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2274         node->add_property ("zoom", buf);
2275         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2276         node->add_property ("snap-to", buf);
2277         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2278         node->add_property ("snap-mode", buf);
2279
2280         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2281         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2282         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2283         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2284         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2285         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2286         node->add_property ("mouse-mode", enum2str(mouse_mode));
2287
2288         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2289         if (act) {
2290                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2291                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2292         }
2293
2294         return *node;
2295 }
2296
2297
2298
2299 TimeAxisView *
2300 Editor::trackview_by_y_position (double y)
2301 {
2302         TrackViewList::iterator iter;
2303         TimeAxisView *tv;
2304
2305         for (iter = track_views.begin(); iter != track_views.end(); ++iter) {
2306
2307                 tv = *iter;
2308
2309                 if (tv->hidden()) {
2310                         continue;
2311                 }
2312
2313                 if (tv->y_position <= y && y < ((tv->y_position + tv->height + track_spacing))) {
2314                         return tv;
2315                 }
2316         }
2317
2318         return 0;
2319 }
2320
2321 void
2322 Editor::snap_to (jack_nframes_t& start, int32_t direction, bool for_mark)
2323 {
2324         Location* before = 0;
2325         Location* after = 0;
2326
2327         if (!session) {
2328                 return;
2329         }
2330
2331         const jack_nframes_t one_second = session->frame_rate();
2332         const jack_nframes_t one_minute = session->frame_rate() * 60;
2333
2334         jack_nframes_t presnap = start;
2335
2336         switch (snap_type) {
2337         case SnapToFrame:
2338                 break;
2339
2340         case SnapToCDFrame:
2341                 if (direction) {
2342                         start = (jack_nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2343                 } else {
2344                         start = (jack_nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2345                 }
2346                 break;
2347         case SnapToSMPTEFrame:
2348                 if (direction) {
2349                         start = (jack_nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2350                 } else {
2351                         start = (jack_nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2352                 }
2353                 break;
2354
2355         case SnapToSMPTESeconds:
2356                 if (session->smpte_offset_negative())
2357                 {
2358                         start += session->smpte_offset ();
2359                 } else {
2360                         start -= session->smpte_offset ();
2361                 }
2362                 if (direction > 0) {
2363                         start = (jack_nframes_t) ceil ((double) start / one_second) * one_second;
2364                 } else {
2365                         start = (jack_nframes_t) floor ((double) start / one_second) * one_second;
2366                 }
2367
2368                 if (session->smpte_offset_negative())
2369                 {
2370                         start -= session->smpte_offset ();
2371                 } else {
2372                         start += session->smpte_offset ();
2373                 }
2374                 break;
2375
2376         case SnapToSMPTEMinutes:
2377                 if (session->smpte_offset_negative())
2378                 {
2379                         start += session->smpte_offset ();
2380                 } else {
2381                         start -= session->smpte_offset ();
2382                 }
2383                 if (direction) {
2384                         start = (jack_nframes_t) ceil ((double) start / one_minute) * one_minute;
2385                 } else {
2386                         start = (jack_nframes_t) floor ((double) start / one_minute) * one_minute;
2387                 }
2388                 if (session->smpte_offset_negative())
2389                 {
2390                         start -= session->smpte_offset ();
2391                 } else {
2392                         start += session->smpte_offset ();
2393                 }
2394                 break;
2395
2396         case SnapToSeconds:
2397                 if (direction) {
2398                         start = (jack_nframes_t) ceil ((double) start / one_second) * one_second;
2399                 } else {
2400                         start = (jack_nframes_t) floor ((double) start / one_second) * one_second;
2401                 }
2402                 break;
2403
2404         case SnapToMinutes:
2405                 if (direction) {
2406                         start = (jack_nframes_t) ceil ((double) start / one_minute) * one_minute;
2407                 } else {
2408                         start = (jack_nframes_t) floor ((double) start / one_minute) * one_minute;
2409                 }
2410                 break;
2411
2412         case SnapToBar:
2413                 start = session->tempo_map().round_to_bar (start, direction);
2414                 break;
2415
2416         case SnapToBeat:
2417                 start = session->tempo_map().round_to_beat (start, direction);
2418                 break;
2419
2420         case SnapToAThirtysecondBeat:
2421                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2422                 break;
2423
2424         case SnapToASixteenthBeat:
2425                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2426                 break;
2427
2428         case SnapToAEighthBeat:
2429                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2430                 break;
2431
2432         case SnapToAQuarterBeat:
2433                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2434                 break;
2435
2436         case SnapToAThirdBeat:
2437                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2438                 break;
2439
2440         case SnapToEditCursor:
2441                 start = edit_cursor->current_frame;
2442                 break;
2443
2444         case SnapToMark:
2445                 if (for_mark) {
2446                         return;
2447                 }
2448
2449                 before = session->locations()->first_location_before (start);
2450                 after = session->locations()->first_location_after (start);
2451
2452                 if (direction < 0) {
2453                         if (before) {
2454                                 start = before->start();
2455                         } else {
2456                                 start = 0;
2457                         }
2458                 } else if (direction > 0) {
2459                         if (after) {
2460                                 start = after->start();
2461                         } else {
2462                                 start = session->current_end_frame();
2463                         }
2464                 } else {
2465                         if (before) {
2466                                 if (after) {
2467                                         /* find nearest of the two */
2468                                         if ((start - before->start()) < (after->start() - start)) {
2469                                                 start = before->start();
2470                                         } else {
2471                                                 start = after->start();
2472                                         }
2473                                 } else {
2474                                         start = before->start();
2475                                 }
2476                         } else if (after) {
2477                                 start = after->start();
2478                         } else {
2479                                 /* relax */
2480                         }
2481                 }
2482                 break;
2483
2484         case SnapToRegionStart:
2485         case SnapToRegionEnd:
2486         case SnapToRegionSync:
2487         case SnapToRegionBoundary:
2488                 if (!region_boundary_cache.empty()) {
2489                         vector<jack_nframes_t>::iterator i;
2490
2491                         if (direction > 0) {
2492                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2493                         } else {
2494                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2495                         }
2496
2497                         if (i != region_boundary_cache.end()) {
2498                                 start = *i;
2499                         } else {
2500                                 start = region_boundary_cache.back();
2501                         }
2502                 }
2503                 break;
2504         }
2505
2506         switch (snap_mode) {
2507         case SnapNormal:
2508                 return;
2509
2510         case SnapMagnetic:
2511
2512                 if (presnap > start) {
2513                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2514                                 start = presnap;
2515                         }
2516
2517                 } else if (presnap < start) {
2518                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2519                                 start = presnap;
2520                         }
2521                 }
2522
2523         default:
2524                 return;
2525
2526         }
2527 }
2528
2529 void
2530 Editor::setup_toolbar ()
2531 {
2532         string pixmap_path;
2533
2534         const guint32 FUDGE = 18; // Combo's are stupid - they steal space from the entry for the button
2535
2536
2537         /* Mode Buttons (tool selection) */
2538
2539         vector<ToggleButton *> mouse_mode_buttons;
2540
2541         mouse_move_button.add (*(manage (new Image (get_xpm("tool_object.xpm")))));
2542         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2543         mouse_mode_buttons.push_back (&mouse_move_button);
2544         mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2545         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2546         mouse_mode_buttons.push_back (&mouse_select_button);
2547         mouse_gain_button.add (*(manage (new Image (get_xpm("tool_gain.xpm")))));
2548         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2549         mouse_mode_buttons.push_back (&mouse_gain_button);
2550         mouse_zoom_button.add (*(manage (new Image (get_xpm("tool_zoom.xpm")))));
2551         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2552         mouse_mode_buttons.push_back (&mouse_zoom_button);
2553         mouse_timefx_button.add (*(manage (new Image (get_xpm("tool_stretch.xpm")))));
2554         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2555         mouse_mode_buttons.push_back (&mouse_timefx_button);
2556         mouse_audition_button.add (*(manage (new Image (get_xpm("tool_audition.xpm")))));
2557         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2558         mouse_mode_buttons.push_back (&mouse_audition_button);
2559
2560         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2561
2562         HBox* mode_box = manage(new HBox);
2563         mode_box->set_border_width (2);
2564         mode_box->set_spacing(4);
2565         mouse_mode_button_box.set_spacing(1);
2566         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2567         mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2568         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2569         mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2570         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2571         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2572         mouse_mode_button_box.set_homogeneous(true);
2573
2574         edit_mode_selector.set_name ("EditModeSelector");
2575         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, "Splice Edit", 2+FUDGE, 10);
2576         set_popdown_strings (edit_mode_selector, internationalize (edit_mode_strings));
2577         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2578
2579         mode_box->pack_start(edit_mode_selector);
2580         mode_box->pack_start(mouse_mode_button_box);
2581
2582         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2583         mouse_mode_tearoff->set_name ("MouseModeBase");
2584
2585         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2586                                                   &mouse_mode_tearoff->tearoff_window()));
2587         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2588                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2589         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2590                                                   &mouse_mode_tearoff->tearoff_window()));
2591         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2592                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2593
2594         mouse_move_button.set_name ("MouseModeButton");
2595         mouse_select_button.set_name ("MouseModeButton");
2596         mouse_gain_button.set_name ("MouseModeButton");
2597         mouse_zoom_button.set_name ("MouseModeButton");
2598         mouse_timefx_button.set_name ("MouseModeButton");
2599         mouse_audition_button.set_name ("MouseModeButton");
2600
2601         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
2602         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
2603         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
2604         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
2605         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2606         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2607
2608         mouse_move_button.unset_flags (CAN_FOCUS);
2609         mouse_select_button.unset_flags (CAN_FOCUS);
2610         mouse_gain_button.unset_flags (CAN_FOCUS);
2611         mouse_zoom_button.unset_flags (CAN_FOCUS);
2612         mouse_timefx_button.unset_flags (CAN_FOCUS);
2613         mouse_audition_button.unset_flags (CAN_FOCUS);
2614
2615         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2616         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2617
2618         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2619         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2620         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2621         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2622         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2623
2624         // mouse_move_button.set_active (true);
2625
2626
2627         /* Zoom */
2628
2629         zoom_box.set_spacing (1);
2630         zoom_box.set_border_width (2);
2631
2632         zoom_in_button.set_name ("EditorTimeButton");
2633         zoom_in_button.add (*(manage (new Image (get_xpm("zoom_in.xpm")))));
2634         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2635         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2636
2637         zoom_out_button.set_name ("EditorTimeButton");
2638         zoom_out_button.add (*(manage (new Image (get_xpm("zoom_out.xpm")))));
2639         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2640         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2641
2642         zoom_out_full_button.set_name ("EditorTimeButton");
2643         zoom_out_full_button.add (*(manage (new Image (get_xpm("zoom_full.xpm")))));
2644         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2645         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2646
2647         zoom_box.pack_start (zoom_out_button, false, false);
2648         zoom_box.pack_start (zoom_in_button, false, false);
2649         zoom_box.pack_start (zoom_range_clock, false, false);
2650         zoom_box.pack_start (zoom_out_full_button, false, false);
2651
2652         ARDOUR_UI::instance()->tooltips().set_tip (zoom_range_clock, _("Current Zoom Range\n(Width of visible area)"));
2653
2654         zoom_focus_selector.set_name ("ZoomFocusSelector");
2655         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, "Focus Center", 2+FUDGE, 0);
2656         set_popdown_strings (zoom_focus_selector, internationalize (zoom_focus_strings));
2657         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2658
2659         zoom_box.pack_start (zoom_focus_selector, false, false);
2660
2661
2662         /* Edit Cursor / Snap */
2663
2664         snap_box.set_spacing (1);
2665         snap_box.set_border_width (2);
2666
2667         snap_type_selector.set_name ("SnapTypeSelector");
2668         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, "SMPTE Seconds", 2+FUDGE, 10);
2669         set_popdown_strings (snap_type_selector, internationalize (snap_type_strings));
2670         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2671         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Unit to snap cursors and ranges to"));
2672
2673         snap_mode_selector.set_name ("SnapModeSelector");
2674         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, "Magnetic Snap", 2+FUDGE, 10);
2675         set_popdown_strings (snap_mode_selector, internationalize (snap_mode_strings));
2676         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2677
2678         snap_box.pack_start (edit_cursor_clock, false, false);
2679         snap_box.pack_start (snap_mode_selector, false, false);
2680         snap_box.pack_start (snap_type_selector, false, false);
2681
2682
2683         /* Nudge */
2684
2685         HBox *nudge_box = manage (new HBox);
2686         nudge_box->set_spacing(1);
2687         nudge_box->set_border_width (2);
2688
2689         nudge_forward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_forward), false));
2690         nudge_backward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_backward), false));
2691
2692         nudge_box->pack_start (nudge_backward_button, false, false);
2693         nudge_box->pack_start (nudge_forward_button, false, false);
2694         nudge_box->pack_start (nudge_clock, false, false);
2695
2696
2697         /* Pack everything in... */
2698
2699         HBox* hbox = new HBox;
2700         hbox->set_spacing(10);
2701
2702         tools_tearoff = new TearOff (*hbox);
2703         tools_tearoff->set_name ("MouseModeBase");
2704
2705         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2706                                              &tools_tearoff->tearoff_window()));
2707         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2708                                              &tools_tearoff->tearoff_window(), 0));
2709         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2710                                              &tools_tearoff->tearoff_window()));
2711         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2712                                               &tools_tearoff->tearoff_window(), 0));
2713
2714         toolbar_hbox.set_spacing (10);
2715         toolbar_hbox.set_border_width (1);
2716
2717         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2718         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2719
2720
2721         hbox->pack_start (snap_box, false, false);
2722         hbox->pack_start (zoom_box, false, false);
2723         hbox->pack_start (*nudge_box, false, false);
2724
2725         hbox->show_all ();
2726
2727         toolbar_base.set_name ("ToolBarBase");
2728         toolbar_base.add (toolbar_hbox);
2729
2730         toolbar_frame.set_shadow_type (SHADOW_OUT);
2731         toolbar_frame.set_name ("BaseFrame");
2732         toolbar_frame.add (toolbar_base);
2733 }
2734
2735 int
2736 Editor::convert_drop_to_paths (vector<ustring>& paths,
2737                                const RefPtr<Gdk::DragContext>& context,
2738                                gint                x,
2739                                gint                y,
2740                                const SelectionData& data,
2741                                guint               info,
2742                                guint               time)
2743
2744 {
2745         if (session == 0) {
2746                 return -1;
2747         }
2748
2749         vector<ustring> uris = data.get_uris();
2750
2751         if (uris.empty()) {
2752
2753                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
2754                    are actually URI lists. So do it by hand.
2755                 */
2756
2757                 if (data.get_target() != "text/plain") {
2758                         return -1;
2759                 }
2760
2761                 /* Parse the "uri-list" format that Nautilus provides,
2762                    where each pathname is delimited by \r\n
2763                 */
2764
2765                 const char* p = data.get_text().c_str();
2766                 const char* q;
2767
2768                 while (p)
2769                 {
2770                         if (*p != '#')
2771                         {
2772                                 while (g_ascii_isspace (*p))
2773                                         p++;
2774
2775                                 q = p;
2776                                 while (*q && (*q != '\n') && (*q != '\r'))
2777                                         q++;
2778
2779                                 if (q > p)
2780                                 {
2781                                         q--;
2782                                         while (q > p && g_ascii_isspace (*q))
2783                                                 q--;
2784
2785                                         if (q > p)
2786                                         {
2787                                                 uris.push_back (ustring (p, q - p + 1));
2788                                         }
2789                                 }
2790                         }
2791                         p = strchr (p, '\n');
2792                         if (p)
2793                                 p++;
2794                 }
2795
2796                 if (uris.empty()) {
2797                         return -1;
2798                 }
2799         }
2800
2801         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
2802                 if ((*i).substr (0,7) == "file://") {
2803                         string p = *i;
2804                         PBD::url_decode (p);
2805                         paths.push_back (p.substr (7));
2806                 }
2807         }
2808
2809         return 0;
2810 }
2811
2812 void
2813 Editor::new_tempo_section ()
2814
2815 {
2816 }
2817
2818 void
2819 Editor::map_transport_state ()
2820 {
2821         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
2822
2823         if (session->transport_stopped()) {
2824                 have_pending_keyboard_selection = false;
2825         }
2826 }
2827
2828 /* UNDO/REDO */
2829
2830 Editor::State::State ()
2831 {
2832         selection = new Selection;
2833 }
2834
2835 Editor::State::~State ()
2836 {
2837         delete selection;
2838 }
2839
2840 UndoAction
2841 Editor::get_memento () const
2842 {
2843         State *state = new State;
2844
2845         store_state (*state);
2846         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
2847 }
2848
2849 void
2850 Editor::store_state (State& state) const
2851 {
2852         *state.selection = *selection;
2853 }
2854
2855 void
2856 Editor::restore_state (State *state)
2857 {
2858         if (*selection == *state->selection) {
2859                 return;
2860         }
2861
2862         *selection = *state->selection;
2863         time_selection_changed ();
2864         region_selection_changed ();
2865
2866         /* XXX other selection change handlers? */
2867 }
2868
2869 void
2870 Editor::begin_reversible_command (string name)
2871 {
2872         if (session) {
2873                 before = &get_state();
2874                 session->begin_reversible_command (name);
2875         }
2876 }
2877
2878 void
2879 Editor::commit_reversible_command ()
2880 {
2881         if (session) {
2882                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
2883         }
2884 }
2885
2886 bool
2887 Editor::set_selected_track_from_click (bool press, Selection::Operation op, bool with_undo, bool no_remove)
2888 {
2889         bool commit = false;
2890
2891         if (!clicked_trackview) {
2892                 return false;
2893         }
2894
2895         switch (op) {
2896         case Selection::Toggle:
2897                 if (selection->selected (clicked_trackview)) {
2898                         if (!no_remove) {
2899                                 selection->remove (clicked_trackview);
2900                                 commit = true;
2901                         }
2902                 } else {
2903                         selection->add (clicked_trackview);
2904                         commit = false;
2905                 }
2906                 break;
2907
2908         case Selection::Set:
2909                 if (selection->selected (clicked_trackview) && selection->tracks.size() == 1) {
2910                         /* no commit necessary */
2911                 }
2912
2913                 selection->set (clicked_trackview);
2914                 break;
2915
2916         case Selection::Extend:
2917                 /* not defined yet */
2918                 break;
2919         }
2920
2921         return commit;
2922 }
2923
2924 bool
2925 Editor::set_selected_control_point_from_click (bool press, Selection::Operation op, bool with_undo, bool no_remove)
2926 {
2927         if (!clicked_control_point) {
2928                 return false;
2929         }
2930
2931         /* select this point and any others that it represents */
2932
2933         double y1, y2;
2934         jack_nframes_t x1, x2;
2935
2936         x1 = pixel_to_frame (clicked_control_point->get_x() - 10);
2937         x2 = pixel_to_frame (clicked_control_point->get_x() + 10);
2938         y1 = clicked_control_point->get_x() - 10;
2939         y2 = clicked_control_point->get_y() + 10;
2940
2941         return select_all_within (x1, x2, y1, y2, op);
2942 }
2943
2944 void
2945 Editor::get_relevant_audio_tracks (AudioTimeAxisView& base, set<AudioTimeAxisView*>& relevant_tracks)
2946 {
2947         /* step one: get all selected tracks and all tracks in the relevant edit groups */
2948
2949         for (TrackSelection::iterator ti = selection->tracks.begin(); ti != selection->tracks.end(); ++ti) {
2950
2951                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*ti);
2952
2953                 if (!atv) {
2954                         continue;
2955                 }
2956
2957                 RouteGroup* group = atv->route()->edit_group();
2958
2959                 if (group && group->is_active()) {
2960
2961                         /* active group for this track, loop over all tracks and get every member of the group */
2962
2963                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
2964
2965                                 AudioTimeAxisView* tatv;
2966
2967                                 if ((tatv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
2968
2969                                         if (tatv->route()->edit_group() == group) {
2970                                                 relevant_tracks.insert (tatv);
2971                                         }
2972                                 }
2973                         }
2974
2975                 } else {
2976
2977                         /* no active group, or no group */
2978
2979                         relevant_tracks.insert (&base);
2980                 }
2981
2982         }
2983 }
2984
2985 void
2986 Editor::mapover_audio_tracks (slot<void,AudioTimeAxisView&,uint32_t> sl)
2987 {
2988         set<AudioTimeAxisView*> relevant_tracks;
2989
2990         if (!clicked_audio_trackview) {
2991                 return;
2992         }
2993
2994         get_relevant_audio_tracks (*clicked_audio_trackview, relevant_tracks);
2995
2996         uint32_t sz = relevant_tracks.size();
2997
2998         for (set<AudioTimeAxisView*>::iterator ati = relevant_tracks.begin(); ati != relevant_tracks.end(); ++ati) {
2999                 sl (**ati, sz);
3000         }
3001 }
3002
3003 void
3004 Editor::mapped_set_selected_regionview_from_click (RouteTimeAxisView& tv, uint32_t ignored,
3005                                                    RegionView* basis, vector<RegionView*>* all_equivs)
3006 {
3007         Playlist* pl;
3008         vector<boost::shared_ptr<Region> > results;
3009         RegionView* marv;
3010         boost::shared_ptr<Diskstream> ds;
3011
3012         if ((ds = tv.get_diskstream()) == 0) {
3013                 /* bus */
3014                 return;
3015         }
3016
3017         if (&tv == &basis->get_time_axis_view()) {
3018                 /* looking in same track as the original */
3019                 return;
3020         }
3021
3022
3023         if ((pl = dynamic_cast<Playlist*>(ds->playlist())) != 0) {
3024                 pl->get_equivalent_regions (basis->region(), results);
3025         }
3026
3027         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
3028                 if ((marv = tv.view()->find_view (*ir)) != 0) {
3029                         all_equivs->push_back (marv);
3030                 }
3031         }
3032 }
3033
3034 bool
3035 Editor::set_selected_regionview_from_click (bool press, Selection::Operation op, bool no_track_remove)
3036 {
3037         vector<RegionView*> all_equivalent_regions;
3038         bool commit = false;
3039
3040         if (!clicked_regionview || !clicked_audio_trackview) {
3041                 return false;
3042         }
3043
3044         if (op == Selection::Toggle || op == Selection::Set) {
3045
3046                 mapover_audio_tracks (bind (mem_fun (*this, &Editor::mapped_set_selected_regionview_from_click),
3047                                             clicked_regionview, &all_equivalent_regions));
3048
3049
3050                 /* add clicked regionview since we skipped all other regions in the same track as the one it was in */
3051
3052                 all_equivalent_regions.push_back (clicked_regionview);
3053
3054                 switch (op) {
3055                 case Selection::Toggle:
3056
3057                         if (clicked_regionview->get_selected()) {
3058                                 if (press) {
3059
3060                                         /* whatever was clicked was selected already; do nothing here but allow
3061                                            the button release to deselect it
3062                                         */
3063
3064                                         button_release_can_deselect = true;
3065
3066                                 } else {
3067
3068                                         if (button_release_can_deselect) {
3069
3070                                                 /* just remove this one region, but only on a permitted button release */
3071
3072                                                 selection->remove (clicked_regionview);
3073                                                 commit = true;
3074
3075                                                 /* no more deselect action on button release till a new press
3076                                                    finds an already selected object.
3077                                                 */
3078
3079                                                 button_release_can_deselect = false;
3080                                         }
3081                                 }
3082
3083                         } else {
3084
3085                                 if (press) {
3086                                         /* add all the equivalent regions, but only on button press */
3087
3088                                         if (!all_equivalent_regions.empty()) {
3089                                                 commit = true;
3090                                         }
3091
3092                                         for (vector<RegionView*>::iterator i = all_equivalent_regions.begin(); i != all_equivalent_regions.end(); ++i) {
3093                                                 selection->add (*i);
3094                                         }
3095                                 }
3096                         }
3097                         break;
3098
3099                 case Selection::Set:
3100                         if (!clicked_regionview->get_selected()) {
3101                                 selection->set (all_equivalent_regions);
3102                                 commit = true;
3103                         } else {
3104                                 /* no commit necessary: clicked on an already selected region */
3105                                 goto out;
3106                         }
3107                         break;
3108
3109                 default:
3110                         /* silly compiler */
3111                         break;
3112                 }
3113
3114         } else if (op == Selection::Extend) {
3115
3116                 list<Selectable*> results;
3117                 jack_nframes_t last_frame;
3118                 jack_nframes_t first_frame;
3119
3120                 /* 1. find the last selected regionview in the track that was clicked in */
3121
3122                 last_frame = 0;
3123                 first_frame = max_frames;
3124
3125                 for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
3126                         if (&(*x)->get_time_axis_view() == &clicked_regionview->get_time_axis_view()) {
3127
3128                                 if ((*x)->region()->last_frame() > last_frame) {
3129                                         last_frame = (*x)->region()->last_frame();
3130                                 }
3131
3132                                 if ((*x)->region()->first_frame() < first_frame) {
3133                                         first_frame = (*x)->region()->first_frame();
3134                                 }
3135                         }
3136                 }
3137
3138                 /* 2. figure out the boundaries for our search for new objects */
3139
3140                 switch (clicked_regionview->region()->coverage (first_frame, last_frame)) {
3141                 case OverlapNone:
3142                         cerr << "no overlap, first = " << first_frame << " last = " << last_frame << " region = "
3143                              << clicked_regionview->region()->first_frame() << " .. " << clicked_regionview->region()->last_frame() << endl;
3144
3145                         if (last_frame < clicked_regionview->region()->first_frame()) {
3146                                 first_frame = last_frame;
3147                                 last_frame = clicked_regionview->region()->last_frame();
3148                         } else {
3149                                 last_frame = first_frame;
3150                                 first_frame = clicked_regionview->region()->first_frame();
3151                         }
3152                         break;
3153
3154                 case OverlapExternal:
3155                         cerr << "external overlap, first = " << first_frame << " last = " << last_frame << " region = "
3156                              << clicked_regionview->region()->first_frame() << " .. " << clicked_regionview->region()->last_frame() << endl;
3157
3158                         if (last_frame < clicked_regionview->region()->first_frame()) {
3159                                 first_frame = last_frame;
3160                                 last_frame = clicked_regionview->region()->last_frame();
3161                         } else {
3162                                 last_frame = first_frame;
3163                                 first_frame = clicked_regionview->region()->first_frame();
3164                         }
3165                         break;
3166
3167                 case OverlapInternal:
3168                         cerr << "internal overlap, first = " << first_frame << " last = " << last_frame << " region = "
3169                              << clicked_regionview->region()->first_frame() << " .. " << clicked_regionview->region()->last_frame() << endl;
3170
3171                         if (last_frame < clicked_regionview->region()->first_frame()) {
3172                                 first_frame = last_frame;
3173                                 last_frame = clicked_regionview->region()->last_frame();
3174                         } else {
3175                                 last_frame = first_frame;
3176                                 first_frame = clicked_regionview->region()->first_frame();
3177                         }
3178                         break;
3179
3180                 case OverlapStart:
3181                 case OverlapEnd:
3182                         /* nothing to do except add clicked region to selection, since it
3183                            overlaps with the existing selection in this track.
3184                         */
3185                         break;
3186                 }
3187
3188                 /* 2. find all selectable objects (regionviews in this case) between that one and the end of the
3189                       one that was clicked.
3190                 */
3191
3192                 set<AudioTimeAxisView*> relevant_tracks;
3193
3194                 get_relevant_audio_tracks (*clicked_audio_trackview, relevant_tracks);
3195
3196                 for (set<AudioTimeAxisView*>::iterator t = relevant_tracks.begin(); t != relevant_tracks.end(); ++t) {
3197                         (*t)->get_selectables (first_frame, last_frame, -1.0, -1.0, results);
3198                 }
3199
3200                 /* 3. convert to a vector of audio regions */
3201
3202                 vector<RegionView*> regions;
3203
3204                 for (list<Selectable*>::iterator x = results.begin(); x != results.end(); ++x) {
3205                         RegionView* arv;
3206
3207                         if ((arv = dynamic_cast<RegionView*>(*x)) != 0) {
3208                                 regions.push_back (arv);
3209                         }
3210                 }
3211
3212                 if (!regions.empty()) {
3213                         selection->add (regions);
3214                         commit = true;
3215                 }
3216         }
3217
3218   out:
3219         return commit;
3220 }
3221
3222 void
3223 Editor::set_selected_regionview_from_region_list (boost::shared_ptr<Region> region, Selection::Operation op)
3224 {
3225         vector<RegionView*> all_equivalent_regions;
3226
3227         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3228
3229                 RouteTimeAxisView* tatv;
3230
3231                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
3232
3233                         Playlist* pl;
3234                         vector<boost::shared_ptr<Region> > results;
3235                         RegionView* marv;
3236                         boost::shared_ptr<Diskstream> ds;
3237
3238                         if ((ds = tatv->get_diskstream()) == 0) {
3239                                 /* bus */
3240                                 continue;
3241                         }
3242
3243                         if ((pl = dynamic_cast<Playlist*>(ds->playlist())) != 0) {
3244                                 pl->get_region_list_equivalent_regions (region, results);
3245                         }
3246
3247                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
3248                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
3249                                         all_equivalent_regions.push_back (marv);
3250                                 }
3251                         }
3252
3253                 }
3254         }
3255
3256         begin_reversible_command (_("set selected regions"));
3257
3258         switch (op) {
3259         case Selection::Toggle:
3260                 /* XXX this is not correct */
3261                 selection->toggle (all_equivalent_regions);
3262                 break;
3263         case Selection::Set:
3264                 selection->set (all_equivalent_regions);
3265                 break;
3266         case Selection::Extend:
3267                 selection->add (all_equivalent_regions);
3268                 break;
3269         }
3270
3271         commit_reversible_command () ;
3272 }
3273
3274 bool
3275 Editor::set_selected_regionview_from_map_event (GdkEventAny* ev, StreamView* sv, boost::shared_ptr<Region> r)
3276 {
3277         RegionView* rv;
3278         boost::shared_ptr<AudioRegion> ar;
3279
3280         if ((ar = boost::dynamic_pointer_cast<AudioRegion> (r)) == 0) {
3281                 return true;
3282         }
3283
3284         if ((rv = sv->find_view (ar)) == 0) {
3285                 return true;
3286         }
3287
3288         /* don't reset the selection if its something other than
3289            a single other region.
3290         */
3291
3292         if (selection->regions.size() > 1) {
3293                 return true;
3294         }
3295
3296         begin_reversible_command (_("set selected regions"));
3297
3298         selection->set (rv);
3299
3300         commit_reversible_command () ;
3301
3302         return true;
3303 }
3304
3305 void
3306 Editor::set_edit_group_solo (Route& route, bool yn)
3307 {
3308         RouteGroup *edit_group;
3309
3310         if ((edit_group = route.edit_group()) != 0) {
3311                 edit_group->apply (&Route::set_solo, yn, this);
3312         } else {
3313                 route.set_solo (yn, this);
3314         }
3315 }
3316
3317 void
3318 Editor::set_edit_group_mute (Route& route, bool yn)
3319 {
3320         RouteGroup *edit_group = 0;
3321
3322         if ((edit_group == route.edit_group()) != 0) {
3323                 edit_group->apply (&Route::set_mute, yn, this);
3324         } else {
3325                 route.set_mute (yn, this);
3326         }
3327 }
3328
3329 void
3330 Editor::set_edit_menu (Menu& menu)
3331 {
3332         edit_menu = &menu;
3333         edit_menu->signal_map_event().connect (mem_fun(*this, &Editor::edit_menu_map_handler));
3334 }
3335
3336 bool
3337 Editor::edit_menu_map_handler (GdkEventAny* ev)
3338 {
3339         using namespace Menu_Helpers;
3340         MenuList& edit_items = edit_menu->items();
3341         string label;
3342
3343         /* Nuke all the old items */
3344
3345         edit_items.clear ();
3346
3347         if (session == 0) {
3348                 return false;
3349         }
3350
3351         if (session->undo_depth() == 0) {
3352                 label = _("Undo");
3353         } else {
3354                 label = string_compose(_("Undo (%1)"), session->next_undo());
3355         }
3356
3357         edit_items.push_back (MenuElem (label, bind (mem_fun(*this, &Editor::undo), 1U)));
3358
3359         if (session->undo_depth() == 0) {
3360                 edit_items.back().set_sensitive (false);
3361         }
3362
3363         if (session->redo_depth() == 0) {
3364                 label = _("Redo");
3365         } else {
3366                 label = string_compose(_("Redo (%1)"), session->next_redo());
3367         }
3368
3369         edit_items.push_back (MenuElem (label, bind (mem_fun(*this, &Editor::redo), 1U)));
3370         if (session->redo_depth() == 0) {
3371                 edit_items.back().set_sensitive (false);
3372         }
3373
3374         vector<MenuItem*> mitems;
3375
3376         edit_items.push_back (SeparatorElem());
3377         edit_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
3378         mitems.push_back (&edit_items.back());
3379         edit_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
3380         mitems.push_back (&edit_items.back());
3381         edit_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
3382         mitems.push_back (&edit_items.back());
3383         edit_items.push_back (SeparatorElem());
3384         edit_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
3385         mitems.push_back (&edit_items.back());
3386         edit_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
3387         mitems.push_back (&edit_items.back());
3388         edit_items.push_back (SeparatorElem());
3389
3390         if (selection->empty()) {
3391                 for (vector<MenuItem*>::iterator i = mitems.begin(); i != mitems.end(); ++i) {
3392                         (*i)->set_sensitive (false);
3393                 }
3394         }
3395
3396         Menu* import_menu = manage (new Menu());
3397         import_menu->set_name ("ArdourContextMenu");
3398         MenuList& import_items = import_menu->items();
3399
3400         import_items.push_back (MenuElem (_("... as new track"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportAsTrack)));
3401         import_items.push_back (MenuElem (_("... as new region"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportAsRegion)));
3402
3403         edit_items.push_back (MenuElem (_("Import audio (copy)"), *import_menu));
3404         edit_items.push_back (SeparatorElem());
3405
3406         edit_items.push_back (MenuElem (_("Remove last capture"), mem_fun(*this, &Editor::remove_last_capture)));
3407
3408         if (!session->have_captured()) {
3409                 edit_items.back().set_sensitive (false);
3410         }
3411
3412         return false;
3413 }
3414
3415 void
3416 Editor::duplicate_dialog (bool dup_region)
3417 {
3418         if (dup_region) {
3419                 if (clicked_regionview == 0) {
3420                         return;
3421                 }
3422         } else {
3423                 if (selection->time.length() == 0) {
3424                         return;
3425                 }
3426         }
3427
3428         ArdourDialog win ("duplicate dialog");
3429         Entry  entry;
3430         Label  label (_("Duplicate how many times?"));
3431
3432         win.get_vbox()->pack_start (label);
3433         win.add_action_widget (entry, RESPONSE_ACCEPT);
3434         win.add_button (Stock::OK, RESPONSE_ACCEPT);
3435         win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3436
3437         win.set_position (WIN_POS_MOUSE);
3438
3439         entry.set_text ("1");
3440         set_size_request_to_display_given_text (entry, X_("12345678"), 20, 15);
3441         entry.select_region (0, entry.get_text_length());
3442         entry.grab_focus ();
3443
3444
3445         switch (win.run ()) {
3446         case RESPONSE_ACCEPT:
3447                 break;
3448         default:
3449                 return;
3450         }
3451
3452         string text = entry.get_text();
3453         float times;
3454
3455         if (sscanf (text.c_str(), "%f", &times) == 1) {
3456                 if (dup_region) {
3457                         RegionSelection regions;
3458                         regions.add (clicked_regionview);
3459                         duplicate_some_regions (regions, times);
3460                 } else {
3461                         duplicate_selection (times);
3462                 }
3463         }
3464 }
3465
3466 void
3467 Editor::show_verbose_canvas_cursor ()
3468 {
3469         verbose_canvas_cursor->raise_to_top();
3470         verbose_canvas_cursor->show();
3471         verbose_cursor_visible = true;
3472 }
3473
3474 void
3475 Editor::hide_verbose_canvas_cursor ()
3476 {
3477         verbose_canvas_cursor->hide();
3478         verbose_cursor_visible = false;
3479 }
3480
3481 void
3482 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3483 {
3484         /* XXX get origin of canvas relative to root window,
3485            add x and y and check compared to gdk_screen_{width,height}
3486         */
3487         verbose_canvas_cursor->property_text() = txt.c_str();
3488         verbose_canvas_cursor->property_x() = x;
3489         verbose_canvas_cursor->property_y() = y;
3490 }
3491
3492 void
3493 Editor::set_verbose_canvas_cursor_text (const string & txt)
3494 {
3495         verbose_canvas_cursor->property_text() = txt.c_str();
3496 }
3497
3498 void
3499 Editor::edit_mode_selection_done ()
3500 {
3501         if (session == 0) {
3502                 return;
3503         }
3504
3505         string choice = edit_mode_selector.get_active_text();
3506         EditMode mode = Slide;
3507
3508         if (choice == _("Splice Edit")) {
3509                 mode = Splice;
3510         } else if (choice == _("Slide Edit")) {
3511                 mode = Slide;
3512         }
3513
3514         session->set_edit_mode (mode);
3515 }
3516
3517 void
3518 Editor::snap_type_selection_done ()
3519 {
3520         if (session == 0) {
3521                 return;
3522         }
3523
3524         string choice = snap_type_selector.get_active_text();
3525         SnapType snaptype = SnapToFrame;
3526
3527         if (choice == _("Beats/3")) {
3528                 snaptype = SnapToAThirdBeat;
3529         } else if (choice == _("Beats/4")) {
3530                 snaptype = SnapToAQuarterBeat;
3531         } else if (choice == _("Beats/8")) {
3532                 snaptype = SnapToAEighthBeat;
3533         } else if (choice == _("Beats/16")) {
3534                 snaptype = SnapToASixteenthBeat;
3535         } else if (choice == _("Beats/32")) {
3536                 snaptype = SnapToAThirtysecondBeat;
3537         } else if (choice == _("Beats")) {
3538                 snaptype = SnapToBeat;
3539         } else if (choice == _("Bars")) {
3540                 snaptype = SnapToBar;
3541         } else if (choice == _("Marks")) {
3542                 snaptype = SnapToMark;
3543         } else if (choice == _("Edit Cursor")) {
3544                 snaptype = SnapToEditCursor;
3545         } else if (choice == _("Region starts")) {
3546                 snaptype = SnapToRegionStart;
3547         } else if (choice == _("Region ends")) {
3548                 snaptype = SnapToRegionEnd;
3549         } else if (choice == _("Region bounds")) {
3550                 snaptype = SnapToRegionBoundary;
3551         } else if (choice == _("Region syncs")) {
3552                 snaptype = SnapToRegionSync;
3553         } else if (choice == _("CD Frames")) {
3554                 snaptype = SnapToCDFrame;
3555         } else if (choice == _("SMPTE Frames")) {
3556                 snaptype = SnapToSMPTEFrame;
3557         } else if (choice == _("SMPTE Seconds")) {
3558                 snaptype = SnapToSMPTESeconds;
3559         } else if (choice == _("SMPTE Minutes")) {
3560                 snaptype = SnapToSMPTEMinutes;
3561         } else if (choice == _("Seconds")) {
3562                 snaptype = SnapToSeconds;
3563         } else if (choice == _("Minutes")) {
3564                 snaptype = SnapToMinutes;
3565         } else if (choice == _("None")) {
3566                 snaptype = SnapToFrame;
3567         }
3568
3569         set_snap_to (snaptype);
3570 }
3571
3572 void
3573 Editor::snap_mode_selection_done ()
3574 {
3575         if(session == 0) {
3576                 return;
3577         }
3578
3579         string choice = snap_mode_selector.get_active_text();
3580         SnapMode mode = SnapNormal;
3581
3582         if (choice == _("Normal Snap")) {
3583                 mode = SnapNormal;
3584         } else if (choice == _("Magnetic Snap")) {
3585                 mode = SnapMagnetic;
3586         }
3587
3588         set_snap_mode (mode);
3589 }
3590
3591 void
3592 Editor::zoom_focus_selection_done ()
3593 {
3594         if (session == 0) {
3595                 return;
3596         }
3597
3598         string choice = zoom_focus_selector.get_active_text();
3599         ZoomFocus focus_type = ZoomFocusLeft;
3600
3601         if (choice == _("Focus Left")) {
3602                 focus_type = ZoomFocusLeft;
3603         } else if (choice == _("Focus Right")) {
3604                 focus_type = ZoomFocusRight;
3605         } else if (choice == _("Focus Center")) {
3606                 focus_type = ZoomFocusCenter;
3607         } else if (choice == _("Focus Playhead")) {
3608                 focus_type = ZoomFocusPlayhead;
3609         } else if (choice == _("Focus Edit Cursor")) {
3610                 focus_type = ZoomFocusEdit;
3611         }
3612
3613         set_zoom_focus (focus_type);
3614 }
3615
3616 gint
3617 Editor::edit_controls_button_release (GdkEventButton* ev)
3618 {
3619         if (Keyboard::is_context_menu_event (ev)) {
3620                 ARDOUR_UI::instance()->add_route ();
3621         }
3622         return TRUE;
3623 }
3624
3625 void
3626 Editor::track_selection_changed ()
3627 {
3628         switch (selection->tracks.size()){
3629         case 0:
3630                 break;
3631         default:
3632                 set_selected_mixer_strip (*(selection->tracks.front()));
3633                 break;
3634         }
3635
3636         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3637                 (*i)->set_selected (false);
3638                 if (mouse_mode == MouseRange) {
3639                         (*i)->hide_selection ();
3640                 }
3641         }
3642
3643         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3644                 (*i)->set_selected (true);
3645                 if (mouse_mode == MouseRange) {
3646                         (*i)->show_selection (selection->time);
3647                 }
3648         }
3649 }
3650
3651 void
3652 Editor::time_selection_changed ()
3653 {
3654         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3655                 (*i)->hide_selection ();
3656         }
3657
3658         if (selection->tracks.empty()) {
3659                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3660                         (*i)->show_selection (selection->time);
3661                 }
3662         } else {
3663                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3664                         (*i)->show_selection (selection->time);
3665                 }
3666         }
3667
3668         if (selection->time.empty()) {
3669                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, false);
3670         } else {
3671                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, true);
3672         }
3673 }
3674
3675 void
3676 Editor::region_selection_changed ()
3677 {
3678         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3679                 (*i)->set_selected_regionviews (selection->regions);
3680         }
3681 }
3682
3683 void
3684 Editor::point_selection_changed ()
3685 {
3686         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3687                 (*i)->set_selected_points (selection->points);
3688         }
3689 }
3690
3691 gint
3692 Editor::mouse_select_button_release (GdkEventButton* ev)
3693 {
3694         /* this handles just right-clicks */
3695
3696         if (ev->button != 3) {
3697                 return FALSE;
3698         }
3699
3700         return TRUE;
3701 }
3702
3703 Editor::TrackViewList *
3704 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3705 {
3706         TrackViewList *v;
3707         TrackViewList::iterator i;
3708
3709         v = new TrackViewList;
3710
3711         if (track == 0 && group == 0) {
3712
3713                 /* all views */
3714
3715                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3716                         v->push_back (*i);
3717                 }
3718
3719         } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
3720
3721                 /* just the view for this track
3722                  */
3723
3724                 v->push_back (track);
3725
3726         } else {
3727
3728                 /* views for all tracks in the edit group */
3729
3730                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3731
3732                         if (group == 0 || (*i)->edit_group() == group) {
3733                                 v->push_back (*i);
3734                         }
3735                 }
3736         }
3737
3738         return v;
3739 }
3740
3741 void
3742 Editor::set_zoom_focus (ZoomFocus f)
3743 {
3744         vector<string> txt = internationalize (zoom_focus_strings);
3745         zoom_focus_selector.set_active_text (txt[(int)f]);
3746
3747         if (zoom_focus != f) {
3748                 zoom_focus = f;
3749
3750                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3751
3752                 instant_save ();
3753         }
3754 }
3755
3756 void
3757 Editor::ensure_float (Window& win)
3758 {
3759         win.set_transient_for (*this);
3760 }
3761
3762 void
3763 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3764 {
3765         /* recover or initialize pane positions. do this here rather than earlier because
3766            we don't want the positions to change the child allocations, which they seem to do.
3767          */
3768
3769         int pos;
3770         XMLProperty* prop;
3771         char buf[32];
3772         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3773         int width, height;
3774         static int32_t done;
3775         XMLNode* geometry;
3776
3777         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3778                 width = default_width;
3779                 height = default_height;
3780         } else {
3781                 width = atoi(geometry->property("x_size")->value());
3782                 height = atoi(geometry->property("y_size")->value());
3783         }
3784
3785         if (which == static_cast<Paned*> (&edit_pane)) {
3786
3787                 if (done) {
3788                         return;
3789                 }
3790
3791                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3792                         /* initial allocation is 90% to canvas, 10% to notebook */
3793                         pos = (int) floor (alloc.get_width() * 0.90f);
3794                         snprintf (buf, sizeof(buf), "%d", pos);
3795                 } else {
3796                         pos = atoi (prop->value());
3797                 }
3798
3799                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3800                         edit_pane.set_position (pos);
3801                         pre_maximal_pane_position = pos;
3802                 }
3803         }
3804 }
3805
3806 void
3807 Editor::detach_tearoff (Box* b, Window* w)
3808 {
3809         if (tools_tearoff->torn_off() &&
3810             mouse_mode_tearoff->torn_off()) {
3811                 top_hbox.remove (toolbar_frame);
3812         }
3813 }
3814
3815 void
3816 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3817 {
3818         if (toolbar_frame.get_parent() == 0) {
3819                 top_hbox.pack_end (toolbar_frame);
3820         }
3821 }
3822
3823 void
3824 Editor::set_show_measures (bool yn)
3825 {
3826         if (_show_measures != yn) {
3827                 hide_measures ();
3828
3829                 if ((_show_measures = yn) == true) {
3830                         draw_measures ();
3831                 }
3832                 DisplayControlChanged (ShowMeasures);
3833                 instant_save ();
3834         }
3835 }
3836
3837 void
3838 Editor::toggle_follow_playhead ()
3839 {
3840         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3841         if (act) {
3842                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3843                 set_follow_playhead (tact->get_active());
3844         }
3845 }
3846
3847 void
3848 Editor::set_follow_playhead (bool yn)
3849 {
3850         if (_follow_playhead != yn) {
3851                 if ((_follow_playhead = yn) == true) {
3852                         /* catch up */
3853                         update_current_screen ();
3854                 }
3855                 DisplayControlChanged (FollowPlayhead);
3856                 instant_save ();
3857         }
3858 }
3859
3860 void
3861 Editor::toggle_xfade_active (Crossfade* xfade)
3862 {
3863         xfade->set_active (!xfade->active());
3864 }
3865
3866 void
3867 Editor::toggle_xfade_length (Crossfade* xfade)
3868 {
3869         xfade->set_follow_overlap (!xfade->following_overlap());
3870 }
3871
3872 void
3873 Editor::edit_xfade (Crossfade* xfade)
3874 {
3875         CrossfadeEditor cew (*session, *xfade, xfade->fade_in().get_min_y(), 1.0);
3876
3877         ensure_float (cew);
3878
3879         switch (cew.run ()) {
3880         case RESPONSE_ACCEPT:
3881                 break;
3882         default:
3883                 return;
3884         }
3885
3886         cew.apply ();
3887         xfade->StateChanged (Change (~0));
3888 }
3889
3890 PlaylistSelector&
3891 Editor::playlist_selector () const
3892 {
3893         return *_playlist_selector;
3894 }
3895
3896 jack_nframes_t
3897 Editor::get_nudge_distance (jack_nframes_t pos, jack_nframes_t& next)
3898 {
3899         jack_nframes_t ret;
3900
3901         ret = nudge_clock.current_duration (pos);
3902         next = ret + 1; /* XXXX fix me */
3903
3904         return ret;
3905 }
3906
3907 void
3908 Editor::end_location_changed (Location* location)
3909 {
3910         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3911         reset_scrolling_region ();
3912 }
3913
3914 int
3915 Editor::playlist_deletion_dialog (Playlist* pl)
3916 {
3917         ArdourDialog dialog ("playlist deletion dialog");
3918         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3919                                  "If left alone, no audio files used by it will be cleaned.\n"
3920                                  "If deleted, audio files used by it alone by will cleaned."),
3921                                pl->name()));
3922
3923         dialog.set_position (WIN_POS_CENTER);
3924         dialog.get_vbox()->pack_start (label);
3925
3926         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3927         dialog.add_button (_("Keep playlist"), RESPONSE_CANCEL);
3928         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3929
3930         switch (dialog.run ()) {
3931         case RESPONSE_ACCEPT:
3932                 /* delete the playlist */
3933                 return 0;
3934                 break;
3935
3936         case RESPONSE_REJECT:
3937                 /* keep the playlist */
3938                 return 1;
3939                 break;
3940
3941         default:
3942                 break;
3943         }
3944
3945         return -1;
3946 }
3947
3948 bool
3949 Editor::audio_region_selection_covers (jack_nframes_t where)
3950 {
3951         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3952                 if ((*a)->region()->covers (where)) {
3953                         return true;
3954                 }
3955         }
3956
3957         return false;
3958 }
3959
3960 void
3961 Editor::prepare_for_cleanup ()
3962 {
3963         cut_buffer->clear_regions ();
3964         cut_buffer->clear_playlists ();
3965
3966         selection->clear_regions ();
3967         selection->clear_playlists ();
3968 }
3969
3970 Location*
3971 Editor::transport_loop_location()
3972 {
3973         if (session) {
3974                 return session->locations()->auto_loop_location();
3975         } else {
3976                 return 0;
3977         }
3978 }
3979
3980 Location*
3981 Editor::transport_punch_location()
3982 {
3983         if (session) {
3984                 return session->locations()->auto_punch_location();
3985         } else {
3986                 return 0;
3987         }
3988 }
3989
3990 bool
3991 Editor::control_layout_scroll (GdkEventScroll* ev)
3992 {
3993         switch (ev->direction) {
3994         case GDK_SCROLL_UP:
3995                 scroll_tracks_up_line ();
3996                 return true;
3997                 break;
3998
3999         case GDK_SCROLL_DOWN:
4000                 scroll_tracks_down_line ();
4001                 return true;
4002
4003         default:
4004                 /* no left/right handling yet */
4005                 break;
4006         }
4007
4008         return false;
4009 }
4010
4011 void
4012 Editor::snapshot_display_selection_changed ()
4013 {
4014         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
4015
4016                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
4017
4018                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
4019
4020                 if (snap_name.length() == 0) {
4021                         return;
4022                 }
4023
4024                 if (session->snap_name() == snap_name) {
4025                         return;
4026                 }
4027
4028                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
4029         }
4030 }
4031
4032 bool
4033 Editor::snapshot_display_button_press (GdkEventButton* ev)
4034 {
4035          return false;
4036 }
4037
4038 void
4039 Editor::redisplay_snapshots ()
4040 {
4041         if (session == 0) {
4042                 return;
4043         }
4044
4045         vector<string*>* states;
4046
4047         if ((states = session->possible_states()) == 0) {
4048                 return;
4049         }
4050
4051         snapshot_display_model->clear ();
4052
4053         for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
4054                 string statename = *(*i);
4055                 TreeModel::Row row = *(snapshot_display_model->append());
4056                 row[snapshot_display_columns.visible_name] = statename;
4057                 row[snapshot_display_columns.real_name] = statename;
4058         }
4059
4060         delete states;
4061 }
4062
4063 void
4064 Editor::session_state_saved (string snap_name)
4065 {
4066         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
4067         redisplay_snapshots ();
4068 }
4069
4070 void
4071 Editor::maximise_editing_space ()
4072 {
4073         mouse_mode_tearoff->set_visible (false);
4074         tools_tearoff->set_visible (false);
4075
4076         pre_maximal_pane_position = edit_pane.get_position();
4077         edit_pane.set_position (edit_pane.get_width());
4078
4079         fullscreen();
4080 }
4081
4082 void
4083 Editor::restore_editing_space ()
4084 {
4085         mouse_mode_tearoff->set_visible (true);
4086         tools_tearoff->set_visible (true);
4087         edit_pane.set_position (pre_maximal_pane_position);
4088
4089         unfullscreen();
4090 }
4091
4092 void
4093 Editor::new_playlists ()
4094 {
4095         begin_reversible_command (_("new playlists"));
4096         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist));
4097         commit_reversible_command ();
4098 }
4099
4100 void
4101 Editor::copy_playlists ()
4102 {
4103         begin_reversible_command (_("copy playlists"));
4104         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist));
4105         commit_reversible_command ();
4106 }
4107
4108 void
4109 Editor::clear_playlists ()
4110 {
4111         begin_reversible_command (_("clear playlists"));
4112         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_clear_playlist));
4113         commit_reversible_command ();
4114 }
4115
4116 void
4117 Editor::mapped_use_new_playlist (AudioTimeAxisView& atv, uint32_t sz)
4118 {
4119         atv.use_new_playlist (sz > 1 ? false : true);
4120 }
4121
4122 void
4123 Editor::mapped_use_copy_playlist (AudioTimeAxisView& atv, uint32_t sz)
4124 {
4125         atv.use_copy_playlist (sz > 1 ? false : true);
4126 }
4127
4128 void
4129 Editor::mapped_clear_playlist (AudioTimeAxisView& atv, uint32_t sz)
4130 {
4131         atv.clear_playlist ();
4132 }
4133
4134 bool
4135 Editor::on_key_press_event (GdkEventKey* ev)
4136 {
4137         return key_press_focus_accelerator_handler (*this, ev);
4138 }
4139
4140 void
4141 Editor::update_layering_model ()
4142 {
4143         RefPtr<Action> act;
4144
4145         switch (session->get_layer_model()) {
4146         case Session::LaterHigher:
4147                 act = ActionManager::get_action (X_("Editor"), X_("LayerLaterHigher"));
4148                 break;
4149         case Session::MoveAddHigher:
4150                 act = ActionManager::get_action (X_("Editor"), X_("LayerMoveAddHigher"));
4151                 break;
4152         case Session::AddHigher:
4153                 act = ActionManager::get_action (X_("Editor"), X_("LayerAddHigher"));
4154                 break;
4155         }
4156
4157         if (act) {
4158                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
4159                 if (ract && !ract->get_active()) {
4160                         ract->set_active (true);
4161                 }
4162         }
4163 }
4164
4165
4166 void
4167 Editor::update_crossfade_model ()
4168 {
4169         RefPtr<Action> act;
4170
4171         switch (session->get_xfade_model()) {
4172         case FullCrossfade:
4173                 act = ActionManager::get_action (X_("Editor"), X_("CrossfadesFull"));
4174                 break;
4175         case ShortCrossfade:
4176                 act = ActionManager::get_action (X_("Editor"), X_("CrossfadesShort"));
4177                 break;
4178         }
4179
4180         if (act) {
4181                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
4182                 if (ract && !ract->get_active()) {
4183                         ract->set_active (true);
4184                 }
4185         }
4186 }
4187