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         last_audition_region = 0;
 250         current_mixer_strip = 0;
 251         current_bbt_points = 0;
 252
 253         snap_type = SnapToFrame;
 254         set_snap_to (snap_type);
 255         snap_mode = SnapNormal;
 256         set_snap_mode (snap_mode);
 257         snap_threshold = 5.0;
 258         bbt_beat_subdivision = 4;
 259         canvas_width = 0;
 260         canvas_height = 0;
 261         autoscroll_timeout_tag = -1;
 262         interthread_progress_window = 0;
 263
 264 #ifdef FFT_ANALYSIS
 265         analysis_window = 0;
 266 #endif
 267
 268         current_interthread_info = 0;
 269         _show_measures = true;
 270         _show_waveforms = true;
 271         _show_waveforms_recording = true;
 272         first_action_message = 0;
 273         export_dialog = 0;
 274         show_gain_after_trim = false;
 275         no_zoom_repos_update = false;
 276         ignore_route_list_reorder = false;
 277         no_route_list_redisplay = false;
 278         verbose_cursor_on = true;
 279         route_removal = false;
 280         track_spacing = 0;
 281         show_automatic_regions_in_region_list = true;
 282         region_list_sort_type = (Editing::RegionListSortType) 0;
 283         have_pending_keyboard_selection = false;
 284         _follow_playhead = true;
 285         _xfade_visibility = true;
 286         editor_ruler_menu = 0;
 287         no_ruler_shown_update = false;
 288         edit_hscroll_dragging = false;
 289         edit_group_list_menu = 0;
 290         route_list_menu = 0;
 291         region_list_menu = 0;
 292         marker_menu = 0;
 293         range_marker_menu = 0;
 294         marker_menu_item = 0;
 295         tm_marker_menu = 0;
 296         transport_marker_menu = 0;
 297         new_transport_marker_menu = 0;
 298         editor_mixer_strip_width = Wide;
 299         repos_zoom_queued = false;
 300         region_edit_menu_split_item = 0;
 301         temp_location = 0;
 302         region_edit_menu_split_multichannel_item = 0;
 303         leftmost_frame = 0;
 304         ignore_mouse_mode_toggle = false;
 305         current_stepping_trackview = 0;
 306         entered_track = 0;
 307         entered_regionview = 0;
 308         clear_entered_track = false;
 309         _new_regionviews_show_envelope = false;
 310         current_timestretch = 0;
 311         in_edit_group_row_change = false;
 312         last_canvas_frame = 0;
 313         edit_cursor = 0;
 314         playhead_cursor = 0;
 315         button_release_can_deselect = true;
 316
 317         location_marker_color = color_map[cLocationMarker];
 318         location_range_color = color_map[cLocationRange];
 319         location_cd_marker_color = color_map[cLocationCDMarker];
 320         location_loop_color = color_map[cLocationLoop];
 321         location_punch_color = color_map[cLocationPunch];
 322
 323         range_marker_drag_rect = 0;
 324         marker_drag_line = 0;
 325
 326         set_mouse_mode (MouseObject, true);
 327
 328         frames_per_unit = 2048; /* too early to use set_frames_per_unit */
 329         reset_hscrollbar_stepping ();
 330
 331         zoom_focus = ZoomFocusLeft;
 332         set_zoom_focus (ZoomFocusLeft);
 333         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
 334
 335         initialize_rulers ();
 336         initialize_canvas ();
 337
 338         edit_controls_vbox.set_spacing (0);
 339         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::canvas_horizontally_scrolled));
 340         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling));
 341
 342         track_canvas.set_hadjustment (horizontal_adjustment);
 343         track_canvas.set_vadjustment (vertical_adjustment);
 344         time_canvas.set_hadjustment (horizontal_adjustment);
 345
 346         track_canvas.signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
 347         time_canvas.signal_map_event().connect (mem_fun (*this, &Editor::time_canvas_map_handler));
 348
 349         controls_layout.add (edit_controls_vbox);
 350         controls_layout.set_name ("EditControlsBase");
 351         controls_layout.add_events (Gdk::SCROLL_MASK);
 352         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
 353
 354         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 355         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
 356         controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
 357
 358         edit_vscrollbar.set_adjustment (vertical_adjustment);
 359         edit_hscrollbar.set_adjustment (horizontal_adjustment);
 360
 361         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press));
 362         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release));
 363         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
 364
 365         build_cursors ();
 366         setup_toolbar ();
 367
 368         edit_cursor_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_cursor_clock_changed));
 369
 370         time_canvas_vbox.pack_start (*minsec_ruler, false, false);
 371         time_canvas_vbox.pack_start (*smpte_ruler, false, false);
 372         time_canvas_vbox.pack_start (*frames_ruler, false, false);
 373         time_canvas_vbox.pack_start (*bbt_ruler, false, false);
 374         time_canvas_vbox.pack_start (time_canvas, true, true);
 375         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
 376
 377         bbt_label.set_name ("EditorTimeButton");
 378         bbt_label.set_size_request (-1, (int)timebar_height);
 379         bbt_label.set_alignment (1.0, 0.5);
 380         bbt_label.set_padding (5,0);
 381         minsec_label.set_name ("EditorTimeButton");
 382         minsec_label.set_size_request (-1, (int)timebar_height);
 383         minsec_label.set_alignment (1.0, 0.5);
 384         minsec_label.set_padding (5,0);
 385         smpte_label.set_name ("EditorTimeButton");
 386         smpte_label.set_size_request (-1, (int)timebar_height);
 387         smpte_label.set_alignment (1.0, 0.5);
 388         smpte_label.set_padding (5,0);
 389         frame_label.set_name ("EditorTimeButton");
 390         frame_label.set_size_request (-1, (int)timebar_height);
 391         frame_label.set_alignment (1.0, 0.5);
 392         frame_label.set_padding (5,0);
 393         tempo_label.set_name ("EditorTimeButton");
 394         tempo_label.set_size_request (-1, (int)timebar_height);
 395         tempo_label.set_alignment (1.0, 0.5);
 396         tempo_label.set_padding (5,0);
 397         meter_label.set_name ("EditorTimeButton");
 398         meter_label.set_size_request (-1, (int)timebar_height);
 399         meter_label.set_alignment (1.0, 0.5);
 400         meter_label.set_padding (5,0);
 401         mark_label.set_name ("EditorTimeButton");
 402         mark_label.set_size_request (-1, (int)timebar_height);
 403         mark_label.set_alignment (1.0, 0.5);
 404         mark_label.set_padding (5,0);
 405         range_mark_label.set_name ("EditorTimeButton");
 406         range_mark_label.set_size_request (-1, (int)timebar_height);
 407         range_mark_label.set_alignment (1.0, 0.5);
 408         range_mark_label.set_padding (5,0);
 409         transport_mark_label.set_name ("EditorTimeButton");
 410         transport_mark_label.set_size_request (-1, (int)timebar_height);
 411         transport_mark_label.set_alignment (1.0, 0.5);
 412         transport_mark_label.set_padding (5,0);
 413
 414         time_button_vbox.pack_start (minsec_label, false, false);
 415         time_button_vbox.pack_start (smpte_label, false, false);
 416         time_button_vbox.pack_start (frame_label, false, false);
 417         time_button_vbox.pack_start (bbt_label, false, false);
 418         time_button_vbox.pack_start (meter_label, false, false);
 419         time_button_vbox.pack_start (tempo_label, false, false);
 420         time_button_vbox.pack_start (mark_label, false, false);
 421
 422         time_button_event_box.add (time_button_vbox);
 423
 424         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 425         time_button_event_box.set_name ("TimebarLabelBase");
 426         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 427
 428         /* these enable us to have a dedicated window (for cursor setting, etc.)
 429            for the canvas areas.
 430         */
 431
 432         track_canvas_event_box.add (track_canvas);
 433
 434         time_canvas_event_box.add (time_canvas_vbox);
 435         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 436
 437         edit_packer.set_col_spacings (0);
 438         edit_packer.set_row_spacings (0);
 439         edit_packer.set_homogeneous (false);
 440         edit_packer.set_border_width (0);
 441         edit_packer.set_name ("EditorWindow");
 442
 443         edit_packer.attach (edit_vscrollbar,         0, 1, 1, 3,    FILL,        FILL|EXPAND, 0, 0);
 444
 445         edit_packer.attach (time_button_event_box,   1, 2, 0, 1,    FILL,        FILL, 0, 0);
 446         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 447
 448         edit_packer.attach (controls_layout,         1, 2, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
 449         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 2,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 450
 451         edit_packer.attach (edit_hscrollbar,         2, 3, 2, 3,    FILL|EXPAND,  FILL, 0, 0);
 452
 453         bottom_hbox.set_border_width (2);
 454         bottom_hbox.set_spacing (3);
 455
 456         route_display_model = ListStore::create(route_display_columns);
 457         route_list_display.set_model (route_display_model);
 458         route_list_display.append_column (_("Visible"), route_display_columns.visible);
 459         route_list_display.append_column (_("Name"), route_display_columns.text);
 460         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 461         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 462         route_list_display.set_headers_visible (true);
 463         route_list_display.set_name ("TrackListDisplay");
 464         route_list_display.get_selection()->set_mode (SELECTION_NONE);
 465         route_list_display.set_reorderable (true);
 466         route_list_display.set_size_request (100,-1);
 467
 468         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
 469         route_list_visible_cell->property_activatable() = true;
 470         route_list_visible_cell->property_radio() = false;
 471
 472         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
 473         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
 474
 475         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
 476
 477         route_list_scroller.add (route_list_display);
 478         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 479
 480         group_model = ListStore::create(group_columns);
 481         edit_group_display.set_model (group_model);
 482         edit_group_display.append_column (_("Name"), group_columns.text);
 483         edit_group_display.append_column (_("Active"), group_columns.is_active);
 484         edit_group_display.append_column (_("Visible"), group_columns.is_visible);
 485         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 486         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 487         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
 488         edit_group_display.get_column (0)->set_expand (true);
 489         edit_group_display.get_column (1)->set_expand (false);
 490         edit_group_display.get_column (2)->set_expand (false);
 491         edit_group_display.set_headers_visible (true);
 492
 493         /* name is directly editable */
 494
 495         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
 496         name_cell->property_editable() = true;
 497         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
 498
 499         /* use checkbox for the active + visible columns */
 500
 501         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 502         active_cell->property_activatable() = true;
 503         active_cell->property_radio() = false;
 504
 505         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 506         active_cell->property_activatable() = true;
 507         active_cell->property_radio() = false;
 508
 509         edit_group_display.set_name ("EditGroupList");
 510
 511         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
 512
 513         edit_group_display.set_name ("EditGroupList");
 514         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
 515         edit_group_display.set_reorderable (false);
 516         edit_group_display.set_rules_hint (true);
 517         edit_group_display.set_size_request (75, -1);
 518
 519         edit_group_display_scroller.add (edit_group_display);
 520         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 521
 522         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
 523
 524         VBox* edit_group_display_packer = manage (new VBox());
 525         HButtonBox* edit_group_display_button_box = manage (new HButtonBox());
 526         edit_group_display_button_box->set_homogeneous (true);
 527
 528         Button* edit_group_add_button = manage (new Button ());
 529         Button* edit_group_remove_button = manage (new Button ());
 530
 531         Widget* w;
 532
 533         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 534         w->show();
 535         edit_group_add_button->add (*w);
 536
 537         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 538         w->show();
 539         edit_group_remove_button->add (*w);
 540
 541         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
 542         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
 543
 544         edit_group_display_button_box->pack_start (*edit_group_add_button);
 545         edit_group_display_button_box->pack_start (*edit_group_remove_button);
 546
 547         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
 548         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
 549
 550         region_list_display.set_size_request (100, -1);
 551         region_list_display.set_name ("RegionListDisplay");
 552
 553         region_list_model = TreeStore::create (region_list_columns);
 554         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
 555         region_list_model->set_sort_column (0, SORT_ASCENDING);
 556
 557         region_list_display.set_model (region_list_model);
 558         region_list_display.append_column (_("Regions"), region_list_columns.name);
 559         region_list_display.set_headers_visible (false);
 560         region_list_display.set_hover_expand (true);
 561
 562         region_list_display.get_selection()->set_select_function (mem_fun (*this, &Editor::region_list_selection_filter));
 563
 564         TreeViewColumn* tv_col = region_list_display.get_column(0);
 565         CellRendererText* renderer = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
 566         tv_col->add_attribute(renderer->property_text(), region_list_columns.name);
 567         tv_col->add_attribute(renderer->property_foreground_gdk(), region_list_columns.color_);
 568
 569         region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
 570         region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
 571
 572         /* setup DnD handling */
 573
 574         list<TargetEntry> region_list_target_table;
 575
 576         region_list_target_table.push_back (TargetEntry ("text/plain"));
 577         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
 578         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 579
 580         region_list_display.add_drop_targets (region_list_target_table);
 581         region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
 582
 583         region_list_scroller.add (region_list_display);
 584         region_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 585
 586         region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
 587         region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
 588         region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
 589         region_list_display.signal_button_release_event().connect (mem_fun(*this, &Editor::region_list_display_button_release));
 590         region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
 591         // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
 592
 593         named_selection_scroller.add (named_selection_display);
 594         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 595
 596         named_selection_model = TreeStore::create (named_selection_columns);
 597         named_selection_display.set_model (named_selection_model);
 598         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
 599         named_selection_display.set_headers_visible (false);
 600         named_selection_display.set_size_request (100, -1);
 601         named_selection_display.set_name ("RegionListDisplay");
 602
 603         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
 604         named_selection_display.set_size_request (100, -1);
 605         named_selection_display.signal_button_press_event().connect (mem_fun(*this, &Editor::named_selection_display_button_press), false);
 606         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
 607
 608         /* SNAPSHOTS */
 609
 610         snapshot_display_model = ListStore::create (snapshot_display_columns);
 611         snapshot_display.set_model (snapshot_display_model);
 612         snapshot_display.append_column (X_("snapshot"), snapshot_display_columns.visible_name);
 613         snapshot_display.set_name ("SnapshotDisplayList");
 614         snapshot_display.set_size_request (75, -1);
 615         snapshot_display.set_headers_visible (false);
 616         snapshot_display.set_reorderable (false);
 617         snapshot_display_scroller.add (snapshot_display);
 618         snapshot_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 619
 620         snapshot_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::snapshot_display_selection_changed));
 621         snapshot_display.signal_button_press_event().connect (mem_fun (*this, &Editor::snapshot_display_button_press), false);
 622
 623         Gtk::Label* nlabel;
 624
 625         nlabel = manage (new Label (_("Regions")));
 626         nlabel->set_angle (-90);
 627         the_notebook.append_page (region_list_scroller, *nlabel);
 628         nlabel = manage (new Label (_("Tracks/Busses")));
 629         nlabel->set_angle (-90);
 630         the_notebook.append_page (route_list_scroller, *nlabel);
 631         nlabel = manage (new Label (_("Snapshots")));
 632         nlabel->set_angle (-90);
 633         the_notebook.append_page (snapshot_display_scroller, *nlabel);
 634         nlabel = manage (new Label (_("Edit Groups")));
 635         nlabel->set_angle (-90);
 636         the_notebook.append_page (*edit_group_display_packer, *nlabel);
 637         nlabel = manage (new Label (_("Chunks")));
 638         nlabel->set_angle (-90);
 639         the_notebook.append_page (named_selection_scroller, *nlabel);
 640
 641         the_notebook.set_show_tabs (true);
 642         the_notebook.set_scrollable (true);
 643         the_notebook.popup_enable ();
 644         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 645
 646         edit_pane.pack1 (edit_packer, true, true);
 647         edit_pane.pack2 (the_notebook, false, true);
 648
 649         edit_pane.signal_size_allocate().connect_notify (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 650
 651         top_hbox.pack_start (toolbar_frame, true, true);
 652
 653         HBox *hbox = manage (new HBox);
 654         hbox->pack_start (edit_pane, true, true);
 655
 656         global_vpacker.pack_start (top_hbox, false, false);
 657         global_vpacker.pack_start (*hbox, true, true);
 658
 659         global_hpacker.pack_start (global_vpacker, true, true);
 660
 661         set_name ("EditorWindow");
 662         add_accel_group (ActionManager::ui_manager->get_accel_group());
 663
 664         vpacker.pack_end (global_hpacker, true, true);
 665
 666         /* register actions now so that set_state() can find them and set toggles/checks etc */
 667
 668         register_actions ();
 669
 670         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 671         set_state (*node);
 672
 673         _playlist_selector = new PlaylistSelector();
 674         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 675
 676         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
 677
 678         /* nudge stuff */
 679
 680         nudge_forward_button.add (*(manage (new Image (get_xpm("right_arrow.xpm")))));
 681         nudge_backward_button.add (*(manage (new Image (get_xpm("left_arrow.xpm")))));
 682
 683         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
 684         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
 685
 686         nudge_forward_button.set_name ("TransportButton");
 687         nudge_backward_button.set_name ("TransportButton");
 688
 689         fade_context_menu.set_name ("ArdourContextMenu");
 690
 691         set_title (_("ardour: editor"));
 692         set_wmclass (_("ardour_editor"), "Ardour");
 693
 694         add (vpacker);
 695         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 696
 697         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 698         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 699
 700         /* allow external control surfaces/protocols to do various things */
 701
 702         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
 703         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
 704         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
 705         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
 706         constructed = true;
 707         instant_save ();
 708 }
 709
 710 Editor::~Editor()
 711 {
 712         /* <CMT Additions> */
 713         if(image_socket_listener)
 714         {
 715                 if(image_socket_listener->is_connected())
 716                 {
 717                         image_socket_listener->close_connection() ;
 718                 }
 719
 720                 delete image_socket_listener ;
 721                 image_socket_listener = 0 ;
 722         }
 723         /* </CMT Additions> */
 724 }
 725
 726 void
 727 Editor::add_toplevel_controls (Container& cont)
 728 {
 729         vpacker.pack_start (cont, false, false);
 730         cont.show_all ();
 731 }
 732
 733 void
 734 Editor::catch_vanishing_regionview (RegionView *rv)
 735 {
 736         /* note: the selection will take care of the vanishing
 737            audioregionview by itself.
 738         */
 739
 740         if (clicked_regionview == rv) {
 741                 clicked_regionview = 0;
 742         }
 743
 744         if (entered_regionview == rv) {
 745                 set_entered_regionview (0);
 746         }
 747 }
 748
 749 void
 750 Editor::set_entered_regionview (RegionView* rv)
 751 {
 752         if (rv == entered_regionview) {
 753                 return;
 754         }
 755
 756         if (entered_regionview) {
 757                 entered_regionview->exited ();
 758         }
 759
 760         if ((entered_regionview = rv) != 0) {
 761                 entered_regionview->entered ();
 762         }
 763 }
 764
 765 void
 766 Editor::set_entered_track (TimeAxisView* tav)
 767 {
 768         if (entered_track) {
 769                 entered_track->exited ();
 770         }
 771
 772         if ((entered_track = tav) != 0) {
 773                 entered_track->entered ();
 774         }
 775 }
 776
 777 void
 778 Editor::show_window ()
 779 {
 780         show_all ();
 781         present ();
 782
 783         /* now reset all audio_time_axis heights, because widgets might need
 784            to be re-hidden
 785         */
 786
 787         TimeAxisView *tv;
 788
 789         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 790                 tv = (static_cast<TimeAxisView*>(*i));
 791                 tv->reset_height ();
 792         }
 793 }
 794
 795 void
 796 Editor::tie_vertical_scrolling ()
 797 {
 798         double y1 = vertical_adjustment.get_value();
 799         controls_layout.get_vadjustment()->set_value (y1);
 800         playhead_cursor->set_y_axis(y1);
 801         edit_cursor->set_y_axis(y1);
 802 }
 803
 804 void
 805 Editor::set_frames_per_unit (double fpu)
 806 {
 807         jack_nframes_t frames;
 808
 809         if (fpu == frames_per_unit) {
 810                 return;
 811         }
 812
 813         if (fpu < 1.0) {
 814                 fpu = 1.0;
 815         }
 816
 817         // convert fpu to frame count
 818
 819         frames = (jack_nframes_t) floor (fpu * canvas_width);
 820
 821         /* don't allow zooms that fit more than the maximum number
 822            of frames into an 800 pixel wide space.
 823         */
 824
 825         if (max_frames / fpu < 800.0) {
 826                 return;
 827         }
 828
 829         frames_per_unit = fpu;
 830
 831         if (frames != zoom_range_clock.current_duration()) {
 832                 zoom_range_clock.set (frames);
 833         }
 834
 835         /* only update these if we not about to call reposition_x_origin,
 836            which will do the same updates.
 837         */
 838
 839         if (!no_zoom_repos_update) {
 840                 horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
 841                 update_fixed_rulers ();
 842                 tempo_map_changed (Change (0));
 843         }
 844
 845         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
 846                 if (!selection->tracks.empty()) {
 847                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 848                                 (*i)->reshow_selection (selection->time);
 849                         }
 850                 } else {
 851                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 852                                 (*i)->reshow_selection (selection->time);
 853                         }
 854                 }
 855         }
 856
 857         ZoomChanged (); /* EMIT_SIGNAL */
 858
 859         reset_hscrollbar_stepping ();
 860         reset_scrolling_region ();
 861
 862         if (edit_cursor) edit_cursor->set_position (edit_cursor->current_frame);
 863         if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
 864
 865         instant_save ();
 866
 867 }
 868
 869 void
 870 Editor::instant_save ()
 871 {
 872         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 873                 return;
 874         }
 875
 876         if (session) {
 877                 session->add_instant_xml(get_state(), session->path());
 878         } else {
 879                 Config->add_instant_xml(get_state(), get_user_ardour_path());
 880         }
 881 }
 882
 883 void
 884 Editor::reposition_x_origin (jack_nframes_t frame)
 885 {
 886         if (frame != leftmost_frame) {
 887                 leftmost_frame = frame;
 888
 889                 jack_nframes_t rightmost_frame = leftmost_frame + current_page_frames ();
 890
 891                 if (rightmost_frame > last_canvas_frame) {
 892                         last_canvas_frame = rightmost_frame;
 893                         reset_scrolling_region ();
 894                 }
 895
 896                 horizontal_adjustment.set_value (frame/frames_per_unit);
 897         }
 898 }
 899
 900 void
 901 Editor::edit_cursor_clock_changed()
 902 {
 903         if (edit_cursor->current_frame != edit_cursor_clock.current_time()) {
 904                 edit_cursor->set_position (edit_cursor_clock.current_time());
 905         }
 906 }
 907
 908
 909 void
 910 Editor::zoom_adjustment_changed ()
 911 {
 912         if (session == 0 || no_zoom_repos_update) {
 913                 return;
 914         }
 915
 916         double fpu = zoom_range_clock.current_duration() / canvas_width;
 917
 918         if (fpu < 1.0) {
 919                 fpu = 1.0;
 920                 zoom_range_clock.set ((jack_nframes_t) floor (fpu * canvas_width));
 921         } else if (fpu > session->current_end_frame() / canvas_width) {
 922                 fpu = session->current_end_frame() / canvas_width;
 923                 zoom_range_clock.set ((jack_nframes_t) floor (fpu * canvas_width));
 924         }
 925
 926         temporal_zoom (fpu);
 927 }
 928
 929 void
 930 Editor::control_scroll (float fraction)
 931 {
 932         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
 933
 934         if (!session) {
 935                 return;
 936         }
 937
 938         double step = fraction * current_page_frames();
 939         jack_nframes_t target;
 940
 941         if ((fraction < 0.0f) && (session->transport_frame() < (jack_nframes_t) fabs(step))) {
 942                 target = 0;
 943         } else if ((fraction > 0.0f) && (max_frames - session->transport_frame() < step)) {
 944                 target = (max_frames - (current_page_frames()*2)); // allow room for slop in where the PH is on the screen
 945         } else {
 946                 target = (session->transport_frame() + (jack_nframes_t) floor ((fraction * current_page_frames())));
 947         }
 948
 949         /* move visuals, we'll catch up with it later */
 950
 951         playhead_cursor->set_position (target);
 952
 953         if (target > (current_page_frames() / 2)) {
 954                 /* try to center PH in window */
 955                 reposition_x_origin (target - (current_page_frames()/2));
 956         } else {
 957                 reposition_x_origin (0);
 958         }
 959
 960         /* cancel the existing */
 961
 962         control_scroll_connection.disconnect ();
 963
 964         /* add the next one */
 965
 966         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), target), 50);
 967 }
 968
 969 bool
 970 Editor::deferred_control_scroll (jack_nframes_t target)
 971 {
 972         session->request_locate (target);
 973         return false;
 974 }
 975
 976 void
 977 Editor::canvas_horizontally_scrolled ()
 978 {
 979         leftmost_frame = (jack_nframes_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
 980
 981         update_fixed_rulers ();
 982
 983         if (!edit_hscroll_dragging) {
 984                 tempo_map_changed (Change (0));
 985         } else {
 986                 update_tempo_based_rulers();
 987         }
 988 }
 989
 990 void
 991 Editor::reposition_and_zoom (jack_nframes_t frame, double nfpu)
 992 {
 993         if (!repos_zoom_queued) {
 994                 Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::deferred_reposition_and_zoom), frame, nfpu));
 995                 repos_zoom_queued = true;
 996         }
 997 }
 998
 999 gint
1000 Editor::deferred_reposition_and_zoom (jack_nframes_t frame, double nfpu)
1001 {
1002         /* if we need to force an update to the hscroller stuff,
1003            don't set no_zoom_repos_update.
1004         */
1005
1006         no_zoom_repos_update = (frame != leftmost_frame);
1007
1008         set_frames_per_unit (nfpu);
1009         if (no_zoom_repos_update) {
1010                 reposition_x_origin  (frame);
1011         }
1012         no_zoom_repos_update = false;
1013         repos_zoom_queued = false;
1014
1015         return FALSE;
1016 }
1017
1018 void
1019 Editor::on_realize ()
1020 {
1021         Window::on_realize ();
1022         Realized ();
1023 }
1024
1025 void
1026 Editor::queue_session_control_changed (Session::ControlType t)
1027 {
1028         Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun(*this, &Editor::session_control_changed), t));
1029 }
1030
1031 void
1032 Editor::session_control_changed (Session::ControlType t)
1033 {
1034         // right now we're only tracking some state here
1035
1036         switch (t) {
1037         case Session::AutoLoop:
1038                 update_loop_range_view (true);
1039                 break;
1040         case Session::PunchIn:
1041         case Session::PunchOut:
1042                 update_punch_range_view (true);
1043                 break;
1044
1045         case Session::LayeringModel:
1046                 update_layering_model ();
1047                 break;
1048
1049         default:
1050                 break;
1051         }
1052 }
1053
1054 void
1055 Editor::start_scrolling ()
1056 {
1057         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
1058                 (mem_fun(*this, &Editor::update_current_screen));
1059 }
1060
1061 void
1062 Editor::stop_scrolling ()
1063 {
1064         scroll_connection.disconnect ();
1065         slower_update_connection.disconnect ();
1066 }
1067
1068 void
1069 Editor::map_position_change (jack_nframes_t frame)
1070 {
1071         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
1072
1073         if (session == 0 || !_follow_playhead) {
1074                 return;
1075         }
1076
1077         center_screen (frame);
1078         playhead_cursor->set_position (frame);
1079 }
1080
1081 void
1082 Editor::center_screen (jack_nframes_t frame)
1083 {
1084         double page = canvas_width * frames_per_unit;
1085
1086         /* if we're off the page, then scroll.
1087          */
1088
1089         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1090                 center_screen_internal (frame, page);
1091         }
1092 }
1093
1094 void
1095 Editor::center_screen_internal (jack_nframes_t frame, float page)
1096 {
1097         page /= 2;
1098
1099         if (frame > page) {
1100                 frame -= (jack_nframes_t) page;
1101         } else {
1102                 frame = 0;
1103         }
1104
1105     reposition_x_origin (frame);
1106 }
1107
1108 void
1109 Editor::handle_new_duration ()
1110 {
1111         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1112
1113         jack_nframes_t new_end = session->get_maximum_extent() + (jack_nframes_t) floorf (current_page_frames() * 0.10f);
1114
1115         if (new_end > last_canvas_frame) {
1116                 last_canvas_frame = new_end;
1117                 reset_scrolling_region ();
1118         }
1119
1120         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
1121 }
1122
1123 void
1124 Editor::update_title_s (const string & snap_name)
1125 {
1126         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1127
1128         update_title ();
1129 }
1130
1131 void
1132 Editor::update_title ()
1133 {
1134         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1135
1136         if (session) {
1137                 bool dirty = session->dirty();
1138
1139                 string wintitle = _("ardour: editor: ");
1140
1141                 if (dirty) {
1142                         wintitle += '[';
1143                 }
1144
1145                 wintitle += session->name();
1146
1147                 if (session->snap_name() != session->name()) {
1148                         wintitle += ':';
1149                         wintitle += session->snap_name();
1150                 }
1151
1152                 if (dirty) {
1153                         wintitle += ']';
1154                 }
1155
1156                 set_title (wintitle);
1157         }
1158 }
1159
1160 void
1161 Editor::connect_to_session (Session *t)
1162 {
1163         session = t;
1164
1165         if (first_action_message) {
1166                 first_action_message->hide();
1167         }
1168
1169         update_title ();
1170
1171         session->going_away.connect (mem_fun(*this, &Editor::session_going_away));
1172
1173         /* These signals can all be emitted by a non-GUI thread. Therefore the
1174            handlers for them must not attempt to directly interact with the GUI,
1175            but use Gtkmm2ext::UI::instance()->call_slot();
1176         */
1177
1178         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1179         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1180         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1181         session_connections.push_back (session->AudioRegionAdded.connect (mem_fun(*this, &Editor::handle_new_audio_region)));
1182         session_connections.push_back (session->AudioRegionRemoved.connect (mem_fun(*this, &Editor::handle_audio_region_removed)));
1183         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1184         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1185         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1186         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1187         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1188         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1189         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1190         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1191         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1192
1193         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1194         session_connections.push_back (session->SMPTETypeChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1195
1196         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1197
1198         edit_groups_changed ();
1199
1200         edit_cursor_clock.set_session (session);
1201         zoom_range_clock.set_session (session);
1202         _playlist_selector->set_session (session);
1203         nudge_clock.set_session (session);
1204
1205 #ifdef FFT_ANALYSIS
1206         if (analysis_window != 0)
1207                 analysis_window->set_session (session);
1208 #endif
1209
1210         switch (session->get_edit_mode()) {
1211         case Splice:
1212                 edit_mode_selector.set_active_text (edit_mode_strings[splice_index]);
1213                 break;
1214
1215         case Slide:
1216                 edit_mode_selector.set_active_text (edit_mode_strings[slide_index]);
1217                 break;
1218         }
1219
1220         Location* loc = session->locations()->auto_loop_location();
1221         if (loc == 0) {
1222                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1223                 if (loc->start() == loc->end()) {
1224                         loc->set_end (loc->start() + 1);
1225                 }
1226                 session->locations()->add (loc, false);
1227                 session->set_auto_loop_location (loc);
1228         }
1229         else {
1230                 // force name
1231                 loc->set_name (_("Loop"));
1232         }
1233
1234         loc = session->locations()->auto_punch_location();
1235         if (loc == 0) {
1236                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1237                 if (loc->start() == loc->end()) {
1238                         loc->set_end (loc->start() + 1);
1239                 }
1240                 session->locations()->add (loc, false);
1241                 session->set_auto_punch_location (loc);
1242         }
1243         else {
1244                 // force name
1245                 loc->set_name (_("Punch"));
1246         }
1247
1248         update_loop_range_view (true);
1249         update_punch_range_view (true);
1250
1251         session->ControlChanged.connect (mem_fun(*this, &Editor::queue_session_control_changed));
1252         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1253
1254         refresh_location_display ();
1255         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1256         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1257         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1258         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1259         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1260
1261         bool yn;
1262         RefPtr<Action> act;
1263
1264         act = ActionManager::get_action (X_("Editor"), X_("toggle-xfades-active"));
1265         if (act) {
1266                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
1267                 /* do it twice to force the change */
1268                 yn = session->get_crossfades_active();
1269                 tact->set_active (!yn);
1270                 tact->set_active (yn);
1271         }
1272
1273         act = ActionManager::get_action (X_("Editor"), X_("toggle-auto-xfades"));
1274         if (act) {
1275                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
1276                 /* do it twice to force the change */
1277                 yn = Config->get_auto_xfade ();
1278                 tact->set_active (!yn);
1279                 tact->set_active (yn);
1280         }
1281
1282         /* xfade visibility state set from editor::set_state() */
1283
1284         update_crossfade_model ();
1285         update_layering_model ();
1286
1287         handle_new_duration ();
1288
1289         redisplay_regions ();
1290         redisplay_named_selections ();
1291         redisplay_snapshots ();
1292
1293         initial_route_list_display ();
1294
1295         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1296                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1297         }
1298
1299         /* ::reposition_x_origin() doesn't work right here, since the old
1300            position may be zero already, and it does nothing in such
1301            circumstances.
1302         */
1303
1304         leftmost_frame = 0;
1305
1306         horizontal_adjustment.set_value (0);
1307
1308         restore_ruler_visibility ();
1309         tempo_map_changed (Change (0));
1310
1311         edit_cursor->set_position (0);
1312         playhead_cursor->set_position (0);
1313
1314         start_scrolling ();
1315
1316         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1317         set_state (*node);
1318
1319         /* don't show master bus in a new session */
1320
1321         if (ARDOUR_UI::instance()->session_is_new ()) {
1322
1323                 TreeModel::Children rows = route_display_model->children();
1324                 TreeModel::Children::iterator i;
1325
1326                 no_route_list_redisplay = true;
1327
1328                 for (i = rows.begin(); i != rows.end(); ++i) {
1329                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1330                         AudioTimeAxisView *atv;
1331
1332                         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) != 0) {
1333                                 if (atv->route()->master()) {
1334                                         route_list_display.get_selection()->unselect (i);
1335                                 }
1336                         }
1337                 }
1338
1339                 no_route_list_redisplay = false;
1340                 redisplay_route_list ();
1341         }
1342 }
1343
1344 void
1345 Editor::build_cursors ()
1346 {
1347         using namespace Gdk;
1348
1349         Gdk::Color mbg ("#000000" ); /* Black */
1350         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1351
1352         {
1353                 RefPtr<Bitmap> source, mask;
1354                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1355                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1356                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1357         }
1358
1359         Gdk::Color fbg ("#ffffff" );
1360         Gdk::Color ffg  ("#000000" );
1361
1362         {
1363                 RefPtr<Bitmap> source, mask;
1364
1365                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1366                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1367                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1368         }
1369
1370         {
1371                 RefPtr<Bitmap> source, mask;
1372                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1373                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1374                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1375         }
1376
1377         grabber_cursor = new Gdk::Cursor (HAND2);
1378         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1379         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1380         selector_cursor = new Gdk::Cursor (XTERM);
1381         time_fx_cursor = new Gdk::Cursor (SIZING);
1382         wait_cursor = new Gdk::Cursor  (WATCH);
1383         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1384 }
1385
1386 void
1387 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1388 {
1389         using namespace Menu_Helpers;
1390         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1391
1392         if (arv == 0) {
1393                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1394                 /*NOTREACHED*/
1395         }
1396
1397         MenuList& items (fade_context_menu.items());
1398
1399         items.clear ();
1400
1401         switch (item_type) {
1402         case FadeInItem:
1403         case FadeInHandleItem:
1404                 if (arv->audio_region().fade_in_active()) {
1405                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), false)));
1406                 } else {
1407                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), true)));
1408                 }
1409
1410                 items.push_back (SeparatorElem());
1411
1412                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (arv->audio_region(), &AudioRegion::set_fade_in_shape), AudioRegion::Linear)));
1413                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (arv->audio_region(), &AudioRegion::set_fade_in_shape), AudioRegion::LogB)));
1414                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (arv->audio_region(), &AudioRegion::set_fade_in_shape), AudioRegion::Fast)));
1415                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (arv->audio_region(), &AudioRegion::set_fade_in_shape), AudioRegion::LogA)));
1416                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (arv->audio_region(), &AudioRegion::set_fade_in_shape), AudioRegion::Slow)));
1417                 break;
1418
1419         case FadeOutItem:
1420         case FadeOutHandleItem:
1421                 if (arv->audio_region().fade_out_active()) {
1422                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), false)));
1423                 } else {
1424                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), true)));
1425                 }
1426
1427                 items.push_back (SeparatorElem());
1428
1429                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (arv->audio_region(), &AudioRegion::set_fade_out_shape), AudioRegion::Linear)));
1430                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (arv->audio_region(), &AudioRegion::set_fade_out_shape), AudioRegion::Fast)));
1431                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (arv->audio_region(), &AudioRegion::set_fade_out_shape), AudioRegion::LogB)));
1432                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (arv->audio_region(), &AudioRegion::set_fade_out_shape), AudioRegion::LogA)));
1433                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (arv->audio_region(), &AudioRegion::set_fade_out_shape), AudioRegion::Slow)));
1434
1435                 break;
1436         default:
1437                 fatal << _("programming error: ")
1438                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1439                       << endmsg;
1440                 /*NOTREACHED*/
1441         }
1442
1443         fade_context_menu.popup (button, time);
1444 }
1445
1446 void
1447 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, jack_nframes_t frame)
1448 {
1449         using namespace Menu_Helpers;
1450         Menu* (Editor::*build_menu_function)(jack_nframes_t);
1451         Menu *menu;
1452
1453         switch (item_type) {
1454         case RegionItem:
1455         case RegionViewName:
1456         case RegionViewNameHighlight:
1457                 if (with_selection) {
1458                         build_menu_function = &Editor::build_track_selection_context_menu;
1459                 } else {
1460                         build_menu_function = &Editor::build_track_region_context_menu;
1461                 }
1462                 break;
1463
1464         case SelectionItem:
1465                 if (with_selection) {
1466                         build_menu_function = &Editor::build_track_selection_context_menu;
1467                 } else {
1468                         build_menu_function = &Editor::build_track_context_menu;
1469                 }
1470                 break;
1471
1472         case CrossfadeViewItem:
1473                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1474                 break;
1475
1476         case StreamItem:
1477                 if (clicked_audio_trackview->get_diskstream()) {
1478                         build_menu_function = &Editor::build_track_context_menu;
1479                 } else {
1480                         build_menu_function = &Editor::build_track_bus_context_menu;
1481                 }
1482                 break;
1483
1484         default:
1485                 /* probably shouldn't happen but if it does, we don't care */
1486                 return;
1487         }
1488
1489         menu = (this->*build_menu_function)(frame);
1490         menu->set_name ("ArdourContextMenu");
1491
1492         /* now handle specific situations */
1493
1494         switch (item_type) {
1495         case RegionItem:
1496         case RegionViewName:
1497         case RegionViewNameHighlight:
1498                 if (!with_selection) {
1499                         if (region_edit_menu_split_item) {
1500                                 if (clicked_regionview && clicked_regionview->region().covers (edit_cursor->current_frame)) {
1501                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, true);
1502                                 } else {
1503                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, false);
1504                                 }
1505                         }
1506                         /*
1507                         if (region_edit_menu_split_multichannel_item) {
1508                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1509                                         // GTK2FIX find the action, change its sensitivity
1510                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1511                                 } else {
1512                                         // GTK2FIX see above
1513                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1514                                 }
1515                         }*/
1516                 }
1517                 break;
1518
1519         case SelectionItem:
1520                 break;
1521
1522         case CrossfadeViewItem:
1523                 break;
1524
1525         case StreamItem:
1526                 break;
1527
1528         default:
1529                 /* probably shouldn't happen but if it does, we don't care */
1530                 return;
1531         }
1532
1533         if (clicked_audio_trackview && clicked_audio_trackview->audio_track()) {
1534
1535                 /* Bounce to disk */
1536
1537                 using namespace Menu_Helpers;
1538                 MenuList& edit_items  = menu->items();
1539
1540                 edit_items.push_back (SeparatorElem());
1541
1542                 switch (clicked_audio_trackview->audio_track()->freeze_state()) {
1543                 case AudioTrack::NoFreeze:
1544                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1545                         break;
1546
1547                 case AudioTrack::Frozen:
1548                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1549                         break;
1550
1551                 case AudioTrack::UnFrozen:
1552                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1553                         break;
1554                 }
1555
1556         }
1557
1558         menu->popup (button, time);
1559 }
1560
1561 Menu*
1562 Editor::build_track_context_menu (jack_nframes_t ignored)
1563 {
1564         using namespace Menu_Helpers;
1565
1566         MenuList& edit_items = track_context_menu.items();
1567         edit_items.clear();
1568
1569         add_dstream_context_items (edit_items);
1570         return &track_context_menu;
1571 }
1572
1573 Menu*
1574 Editor::build_track_bus_context_menu (jack_nframes_t ignored)
1575 {
1576         using namespace Menu_Helpers;
1577
1578         MenuList& edit_items = track_context_menu.items();
1579         edit_items.clear();
1580
1581         add_bus_context_items (edit_items);
1582         return &track_context_menu;
1583 }
1584
1585 Menu*
1586 Editor::build_track_region_context_menu (jack_nframes_t frame)
1587 {
1588         using namespace Menu_Helpers;
1589         MenuList& edit_items  = track_region_context_menu.items();
1590         edit_items.clear();
1591
1592         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1593
1594         if (atv) {
1595                 Diskstream* ds;
1596                 Playlist* pl;
1597
1598                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
1599                         Playlist::RegionList* regions = pl->regions_at ((jack_nframes_t) floor ( (double)frame * ds->speed()));
1600                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1601                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1602                         }
1603                         delete regions;
1604                 }
1605         }
1606
1607         add_dstream_context_items (edit_items);
1608
1609         return &track_region_context_menu;
1610 }
1611
1612 Menu*
1613 Editor::build_track_crossfade_context_menu (jack_nframes_t frame)
1614 {
1615         using namespace Menu_Helpers;
1616         MenuList& edit_items  = track_crossfade_context_menu.items();
1617         edit_items.clear ();
1618
1619         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1620
1621         if (atv) {
1622                 Diskstream* ds;
1623                 Playlist* pl;
1624                 AudioPlaylist* apl;
1625
1626                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = dynamic_cast<AudioPlaylist*> (pl)) != 0)) {
1627
1628                         Playlist::RegionList* regions = pl->regions_at (frame);
1629                         AudioPlaylist::Crossfades xfades;
1630
1631                         apl->crossfades_at (frame, xfades);
1632
1633                         bool many = xfades.size() > 1;
1634
1635                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1636                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1637                         }
1638
1639                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1640                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1641                         }
1642
1643                         delete regions;
1644                 }
1645         }
1646
1647         add_dstream_context_items (edit_items);
1648
1649         return &track_crossfade_context_menu;
1650 }
1651
1652 #ifdef FFT_ANALYSIS
1653 void
1654 Editor::analyze_region_selection()
1655 {
1656         if (analysis_window == 0) {
1657                 analysis_window = new AnalysisWindow();
1658
1659                 if (session != 0)
1660                         analysis_window->set_session(session);
1661
1662                 analysis_window->show_all();
1663         }
1664
1665         analysis_window->set_regionmode();
1666         analysis_window->analyze();
1667
1668         analysis_window->present();
1669 }
1670
1671 void
1672 Editor::analyze_range_selection()
1673 {
1674         if (analysis_window == 0) {
1675                 analysis_window = new AnalysisWindow();
1676
1677                 if (session != 0)
1678                         analysis_window->set_session(session);
1679
1680                 analysis_window->show_all();
1681         }
1682
1683         analysis_window->set_rangemode();
1684         analysis_window->analyze();
1685
1686         analysis_window->present();
1687 }
1688 #endif /* FFT_ANALYSIS */
1689
1690
1691
1692 Menu*
1693 Editor::build_track_selection_context_menu (jack_nframes_t ignored)
1694 {
1695         using namespace Menu_Helpers;
1696         MenuList& edit_items  = track_selection_context_menu.items();
1697         edit_items.clear ();
1698
1699         add_selection_context_items (edit_items);
1700         add_dstream_context_items (edit_items);
1701
1702         return &track_selection_context_menu;
1703 }
1704
1705 void
1706 Editor::add_crossfade_context_items (AudioStreamView* view, Crossfade* xfade, Menu_Helpers::MenuList& edit_items, bool many)
1707 {
1708         using namespace Menu_Helpers;
1709         Menu     *xfade_menu = manage (new Menu);
1710         MenuList& items       = xfade_menu->items();
1711         xfade_menu->set_name ("ArdourContextMenu");
1712         string str;
1713
1714         if (xfade->active()) {
1715                 str = _("Mute");
1716         } else {
1717                 str = _("Unmute");
1718         }
1719
1720         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), xfade)));
1721         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), xfade)));
1722
1723         if (xfade->can_follow_overlap()) {
1724
1725                 if (xfade->following_overlap()) {
1726                         str = _("Convert to short");
1727                 } else {
1728                         str = _("Convert to full");
1729                 }
1730
1731                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1732         }
1733
1734         if (many) {
1735                 str = xfade->out().name();
1736                 str += "->";
1737                 str += xfade->in().name();
1738         } else {
1739                 str = _("Crossfade");
1740         }
1741
1742         edit_items.push_back (MenuElem (str, *xfade_menu));
1743         edit_items.push_back (SeparatorElem());
1744 }
1745
1746 void
1747 Editor::xfade_edit_left_region ()
1748 {
1749         if (clicked_crossfadeview) {
1750                 clicked_crossfadeview->left_view.show_region_editor ();
1751         }
1752 }
1753
1754 void
1755 Editor::xfade_edit_right_region ()
1756 {
1757         if (clicked_crossfadeview) {
1758                 clicked_crossfadeview->right_view.show_region_editor ();
1759         }
1760 }
1761
1762 void
1763 Editor::add_region_context_items (AudioStreamView* sv, Region* region, Menu_Helpers::MenuList& edit_items)
1764 {
1765         using namespace Menu_Helpers;
1766         Menu     *region_menu = manage (new Menu);
1767         MenuList& items       = region_menu->items();
1768         region_menu->set_name ("ArdourContextMenu");
1769
1770         AudioRegion* ar = 0;
1771
1772         if (region) {
1773                 ar = dynamic_cast<AudioRegion*> (region);
1774         }
1775
1776         /* when this particular menu pops up, make the relevant region
1777            become selected.
1778         */
1779
1780         region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, region));
1781
1782         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1783         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1784         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1785         items.push_back (SeparatorElem());
1786         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_cursor)));
1787         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1788         items.push_back (SeparatorElem());
1789
1790         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::audition_selected_region)));
1791         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1792         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1793
1794 #ifdef FFT_ANALYSIS
1795         items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
1796 #endif
1797
1798         items.push_back (SeparatorElem());
1799
1800         /* XXX hopefully this nonsense will go away with SigC++ 2.X, where the compiler
1801            might be able to figure out which overloaded member function to use in
1802            a bind() call ...
1803         */
1804
1805         void (Editor::*type_A_pmf)(void (Region::*pmf)(bool), bool) = &Editor::region_selection_op;
1806
1807         items.push_back (MenuElem (_("Lock"), bind (mem_fun(*this, type_A_pmf), &Region::set_locked, true)));
1808         items.push_back (MenuElem (_("Unlock"), bind (mem_fun(*this, type_A_pmf), &Region::set_locked, false)));
1809         items.push_back (SeparatorElem());
1810
1811         if (region->muted()) {
1812                 items.push_back (MenuElem (_("Unmute"), bind (mem_fun(*this, type_A_pmf), &Region::set_muted, false)));
1813         } else {
1814                 items.push_back (MenuElem (_("Mute"), bind (mem_fun(*this, type_A_pmf), &Region::set_muted, true)));
1815         }
1816         items.push_back (SeparatorElem());
1817
1818         items.push_back (MenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1819         items.push_back (SeparatorElem());
1820
1821
1822         if (ar) {
1823
1824                 items.push_back (MenuElem (_("Toggle envelope visibility"), mem_fun(*this, &Editor::toggle_gain_envelope_visibility)));
1825                 items.push_back (MenuElem (_("Toggle envelope active"), mem_fun(*this, &Editor::toggle_gain_envelope_active)));
1826                 items.push_back (SeparatorElem());
1827
1828                 if (ar->scale_amplitude() != 1.0f) {
1829                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1830                 } else {
1831                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1832                 }
1833         }
1834         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1835         items.push_back (SeparatorElem());
1836
1837
1838         /* range related stuff */
1839
1840         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1841         items.push_back (MenuElem (_("Set Range"), mem_fun (*this, &Editor::set_selection_from_audio_region)));
1842         items.push_back (SeparatorElem());
1843
1844         /* Nudge region */
1845
1846         Menu *nudge_menu = manage (new Menu());
1847         MenuList& nudge_items = nudge_menu->items();
1848         nudge_menu->set_name ("ArdourContextMenu");
1849
1850         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false))));
1851         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false))));
1852         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1853         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1854
1855         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1856         items.push_back (SeparatorElem());
1857
1858         Menu *trim_menu = manage (new Menu);
1859         MenuList& trim_items = trim_menu->items();
1860         trim_menu->set_name ("ArdourContextMenu");
1861
1862         trim_items.push_back (MenuElem (_("Start to edit cursor"), mem_fun(*this, &Editor::trim_region_from_edit_cursor)));
1863         trim_items.push_back (MenuElem (_("Edit cursor to end"), mem_fun(*this, &Editor::trim_region_to_edit_cursor)));
1864
1865         items.push_back (MenuElem (_("Trim"), *trim_menu));
1866         items.push_back (SeparatorElem());
1867
1868         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1869         region_edit_menu_split_item = &items.back();
1870
1871         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1872         region_edit_menu_split_multichannel_item = &items.back();
1873
1874         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1875         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1876         items.push_back (SeparatorElem());
1877         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
1878         items.push_back (SeparatorElem());
1879         items.push_back (MenuElem (_("Destroy"), mem_fun(*this, &Editor::destroy_clicked_region)));
1880
1881         /* OK, stick the region submenu at the top of the list, and then add
1882            the standard items.
1883         */
1884
1885         /* we have to hack up the region name because "_" has a special
1886            meaning for menu titles.
1887         */
1888
1889         string::size_type pos = 0;
1890         string menu_item_name = region->name();
1891
1892         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1893                 menu_item_name.replace (pos, 1, "__");
1894                 pos += 2;
1895         }
1896
1897         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1898         edit_items.push_back (SeparatorElem());
1899 }
1900
1901 void
1902 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1903 {
1904         using namespace Menu_Helpers;
1905         Menu     *selection_menu = manage (new Menu);
1906         MenuList& items       = selection_menu->items();
1907         selection_menu->set_name ("ArdourContextMenu");
1908
1909         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1910         items.push_back (MenuElem (_("Loop range"), mem_fun(*this, &Editor::set_route_loop_selection)));
1911
1912 #ifdef FFT_ANALYSIS
1913         items.push_back (SeparatorElem());
1914         items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
1915 #endif
1916
1917         items.push_back (SeparatorElem());
1918         items.push_back (MenuElem (_("Separate range to track"), mem_fun(*this, &Editor::separate_region_from_selection)));
1919         items.push_back (MenuElem (_("Separate range to region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1920
1921         items.push_back (SeparatorElem());
1922         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1923         items.push_back (SeparatorElem());
1924         items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1925         items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1926         items.push_back (SeparatorElem());
1927         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1928         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1929         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1930         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::name_selection)));
1931         items.push_back (SeparatorElem());
1932         items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
1933         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
1934
1935         edit_items.push_back (MenuElem (_("Range"), *selection_menu));
1936         edit_items.push_back (SeparatorElem());
1937 }
1938
1939 void
1940 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1941 {
1942         using namespace Menu_Helpers;
1943
1944         /* Playback */
1945
1946         Menu *play_menu = manage (new Menu);
1947         MenuList& play_items = play_menu->items();
1948         play_menu->set_name ("ArdourContextMenu");
1949
1950         play_items.push_back (MenuElem (_("Play from edit cursor")));
1951         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1952         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1953         play_items.push_back (SeparatorElem());
1954         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1955
1956         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1957
1958         /* Selection */
1959
1960         Menu *select_menu = manage (new Menu);
1961         MenuList& select_items = select_menu->items();
1962         select_menu->set_name ("ArdourContextMenu");
1963
1964         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1965         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1966         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1967         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1968         select_items.push_back (SeparatorElem());
1969         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1970         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1971         select_items.push_back (SeparatorElem());
1972         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1973         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1974         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1975         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1976         select_items.push_back (MenuElem (_("Select all between cursors"), bind (mem_fun(*this, &Editor::select_all_selectables_between_cursors), playhead_cursor, edit_cursor)));
1977         select_items.push_back (SeparatorElem());
1978
1979         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1980
1981         /* Cut-n-Paste */
1982
1983         Menu *cutnpaste_menu = manage (new Menu);
1984         MenuList& cutnpaste_items = cutnpaste_menu->items();
1985         cutnpaste_menu->set_name ("ArdourContextMenu");
1986
1987         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1988         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1989         cutnpaste_items.push_back (MenuElem (_("Paste at edit cursor"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1990         cutnpaste_items.push_back (MenuElem (_("Paste at mouse"), mem_fun(*this, &Editor::mouse_paste)));
1991
1992         cutnpaste_items.push_back (SeparatorElem());
1993
1994         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
1995         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
1996
1997         cutnpaste_items.push_back (SeparatorElem());
1998
1999         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
2000
2001         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
2002
2003         /* Adding new material */
2004
2005         edit_items.push_back (SeparatorElem());
2006         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
2007         edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
2008
2009         /* Nudge track */
2010
2011         Menu *nudge_menu = manage (new Menu());
2012         MenuList& nudge_items = nudge_menu->items();
2013         nudge_menu->set_name ("ArdourContextMenu");
2014
2015         edit_items.push_back (SeparatorElem());
2016         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2017         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2018         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2019         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2020
2021         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2022 }
2023
2024 void
2025 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2026 {
2027         using namespace Menu_Helpers;
2028
2029         /* Playback */
2030
2031         Menu *play_menu = manage (new Menu);
2032         MenuList& play_items = play_menu->items();
2033         play_menu->set_name ("ArdourContextMenu");
2034
2035         play_items.push_back (MenuElem (_("Play from edit cursor")));
2036         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2037         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2038
2039         /* Selection */
2040
2041         Menu *select_menu = manage (new Menu);
2042         MenuList& select_items = select_menu->items();
2043         select_menu->set_name ("ArdourContextMenu");
2044
2045         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2046         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2047         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2048         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2049         select_items.push_back (SeparatorElem());
2050         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
2051         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
2052         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2053         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2054
2055         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2056
2057         /* Cut-n-Paste */
2058
2059         Menu *cutnpaste_menu = manage (new Menu);
2060         MenuList& cutnpaste_items = cutnpaste_menu->items();
2061         cutnpaste_menu->set_name ("ArdourContextMenu");
2062
2063         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2064         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2065         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2066
2067         Menu *nudge_menu = manage (new Menu());
2068         MenuList& nudge_items = nudge_menu->items();
2069         nudge_menu->set_name ("ArdourContextMenu");
2070
2071         edit_items.push_back (SeparatorElem());
2072         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2073         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2074         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2075         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2076
2077         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2078 }
2079
2080 /* CURSOR SETTING AND MARKS AND STUFF */
2081
2082 void
2083 Editor::set_snap_to (SnapType st)
2084 {
2085         snap_type = st;
2086         vector<string> txt = internationalize (snap_type_strings);
2087         snap_type_selector.set_active_text (txt[(int)st]);
2088
2089         instant_save ();
2090
2091         switch (snap_type) {
2092         case SnapToAThirtysecondBeat:
2093         case SnapToASixteenthBeat:
2094         case SnapToAEighthBeat:
2095         case SnapToAQuarterBeat:
2096         case SnapToAThirdBeat:
2097                 update_tempo_based_rulers ();
2098         default:
2099                 /* relax */
2100                 break;
2101     }
2102 }
2103
2104 void
2105 Editor::set_snap_mode (SnapMode mode)
2106 {
2107         snap_mode = mode;
2108         vector<string> txt = internationalize (snap_mode_strings);
2109         snap_mode_selector.set_active_text (txt[(int)mode]);
2110
2111         instant_save ();
2112 }
2113
2114 int
2115 Editor::set_state (const XMLNode& node)
2116 {
2117         const XMLProperty* prop;
2118         XMLNode* geometry;
2119         int x, y, xoff, yoff;
2120         Gdk::Geometry g;
2121
2122
2123         if ((geometry = find_named_node (node, "geometry")) == 0) {
2124
2125                 g.base_width = default_width;
2126                 g.base_height = default_height;
2127                 x = 1;
2128                 y = 1;
2129                 xoff = 0;
2130                 yoff = 21;
2131
2132         } else {
2133
2134                 g.base_width = atoi(geometry->property("x_size")->value());
2135                 g.base_height = atoi(geometry->property("y_size")->value());
2136                 x = atoi(geometry->property("x_pos")->value());
2137                 y = atoi(geometry->property("y_pos")->value());
2138                 xoff = atoi(geometry->property("x_off")->value());
2139                 yoff = atoi(geometry->property("y_off")->value());
2140         }
2141
2142         set_default_size (g.base_width, g.base_height);
2143         move (x, y);
2144
2145         if ((prop = node.property ("zoom-focus"))) {
2146                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2147         }
2148
2149         if ((prop = node.property ("zoom"))) {
2150                 set_frames_per_unit (PBD::atof (prop->value()));
2151         }
2152
2153         if ((prop = node.property ("snap-to"))) {
2154                 set_snap_to ((SnapType) atoi (prop->value()));
2155         }
2156
2157         if ((prop = node.property ("snap-mode"))) {
2158                 set_snap_mode ((SnapMode) atoi (prop->value()));
2159         }
2160
2161         if ((prop = node.property ("mouse-mode"))) {
2162                 MouseMode m = str2mousemode(prop->value());
2163                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2164                 set_mouse_mode (m, true);
2165         } else {
2166                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2167                 set_mouse_mode (MouseObject, true);
2168         }
2169
2170         if ((prop = node.property ("show-waveforms"))) {
2171                 bool yn = (prop->value() == "yes");
2172                 _show_waveforms = !yn;
2173                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
2174                 if (act) {
2175                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2176                         /* do it twice to force the change */
2177                         tact->set_active (!yn);
2178                         tact->set_active (yn);
2179                 }
2180         }
2181
2182         if ((prop = node.property ("show-waveforms-recording"))) {
2183                 bool yn = (prop->value() == "yes");
2184                 _show_waveforms_recording = !yn;
2185                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2186                 if (act) {
2187                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2188                         /* do it twice to force the change */
2189                         tact->set_active (!yn);
2190                         tact->set_active (yn);
2191                 }
2192         }
2193
2194         if ((prop = node.property ("show-measures"))) {
2195                 bool yn = (prop->value() == "yes");
2196                 _show_measures = !yn;
2197                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2198                 if (act) {
2199                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2200                         /* do it twice to force the change */
2201                         tact->set_active (!yn);
2202                         tact->set_active (yn);
2203                 }
2204         }
2205
2206         if ((prop = node.property ("follow-playhead"))) {
2207                 bool yn = (prop->value() == "yes");
2208                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2209                 if (act) {
2210                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2211                         /* do it twice to force the change */
2212                         tact->set_active (!yn);
2213                         tact->set_active (yn);
2214                 }
2215         }
2216
2217
2218         if ((prop = node.property ("region-list-sort-type"))) {
2219                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change
2220                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2221         }
2222
2223         if ((prop = node.property ("xfades-visible"))) {
2224                 bool yn = (prop->value() == "yes");
2225                 _xfade_visibility = !yn;
2226                 // set_xfade_visibility (yn);
2227         }
2228
2229         if ((prop = node.property ("show-editor-mixer"))) {
2230
2231                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2232                 if (act) {
2233                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2234                         bool yn = (prop->value() == X_("yes"));
2235
2236                         /* do it twice to force the change */
2237
2238                         tact->set_active (!yn);
2239                         tact->set_active (yn);
2240                 }
2241         }
2242
2243         return 0;
2244 }
2245
2246 XMLNode&
2247 Editor::get_state ()
2248 {
2249         XMLNode* node = new XMLNode ("Editor");
2250         char buf[32];
2251
2252         if (is_realized()) {
2253                 Glib::RefPtr<Gdk::Window> win = get_window();
2254
2255                 int x, y, xoff, yoff, width, height;
2256                 win->get_root_origin(x, y);
2257                 win->get_position(xoff, yoff);
2258                 win->get_size(width, height);
2259
2260                 XMLNode* geometry = new XMLNode ("geometry");
2261                 char buf[32];
2262                 snprintf(buf, sizeof(buf), "%d", width);
2263                 geometry->add_property("x_size", string(buf));
2264                 snprintf(buf, sizeof(buf), "%d", height);
2265                 geometry->add_property("y_size", string(buf));
2266                 snprintf(buf, sizeof(buf), "%d", x);
2267                 geometry->add_property("x_pos", string(buf));
2268                 snprintf(buf, sizeof(buf), "%d", y);
2269                 geometry->add_property("y_pos", string(buf));
2270                 snprintf(buf, sizeof(buf), "%d", xoff);
2271                 geometry->add_property("x_off", string(buf));
2272                 snprintf(buf, sizeof(buf), "%d", yoff);
2273                 geometry->add_property("y_off", string(buf));
2274                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2275                 geometry->add_property("edit_pane_pos", string(buf));
2276
2277                 node->add_child_nocopy (*geometry);
2278         }
2279
2280         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2281         node->add_property ("zoom-focus", buf);
2282         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2283         node->add_property ("zoom", buf);
2284         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2285         node->add_property ("snap-to", buf);
2286         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2287         node->add_property ("snap-mode", buf);
2288
2289         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2290         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2291         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2292         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2293         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2294         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2295         node->add_property ("mouse-mode", enum2str(mouse_mode));
2296
2297         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2298         if (act) {
2299                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2300                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2301         }
2302
2303         return *node;
2304 }
2305
2306
2307
2308 TimeAxisView *
2309 Editor::trackview_by_y_position (double y)
2310 {
2311         TrackViewList::iterator iter;
2312         TimeAxisView *tv;
2313
2314         for (iter = track_views.begin(); iter != track_views.end(); ++iter) {
2315
2316                 tv = *iter;
2317
2318                 if (tv->hidden()) {
2319                         continue;
2320                 }
2321
2322                 if (tv->y_position <= y && y < ((tv->y_position + tv->height + track_spacing))) {
2323                         return tv;
2324                 }
2325         }
2326
2327         return 0;
2328 }
2329
2330 void
2331 Editor::snap_to (jack_nframes_t& start, int32_t direction, bool for_mark)
2332 {
2333         Location* before = 0;
2334         Location* after = 0;
2335
2336         if (!session) {
2337                 return;
2338         }
2339
2340         const jack_nframes_t one_second = session->frame_rate();
2341         const jack_nframes_t one_minute = session->frame_rate() * 60;
2342
2343         jack_nframes_t presnap = start;
2344
2345         switch (snap_type) {
2346         case SnapToFrame:
2347                 break;
2348
2349         case SnapToCDFrame:
2350                 if (direction) {
2351                         start = (jack_nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2352                 } else {
2353                         start = (jack_nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2354                 }
2355                 break;
2356         case SnapToSMPTEFrame:
2357                 if (direction) {
2358                         start = (jack_nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2359                 } else {
2360                         start = (jack_nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2361                 }
2362                 break;
2363
2364         case SnapToSMPTESeconds:
2365                 if (session->smpte_offset_negative())
2366                 {
2367                         start += session->smpte_offset ();
2368                 } else {
2369                         start -= session->smpte_offset ();
2370                 }
2371                 if (direction > 0) {
2372                         start = (jack_nframes_t) ceil ((double) start / one_second) * one_second;
2373                 } else {
2374                         start = (jack_nframes_t) floor ((double) start / one_second) * one_second;
2375                 }
2376
2377                 if (session->smpte_offset_negative())
2378                 {
2379                         start -= session->smpte_offset ();
2380                 } else {
2381                         start += session->smpte_offset ();
2382                 }
2383                 break;
2384
2385         case SnapToSMPTEMinutes:
2386                 if (session->smpte_offset_negative())
2387                 {
2388                         start += session->smpte_offset ();
2389                 } else {
2390                         start -= session->smpte_offset ();
2391                 }
2392                 if (direction) {
2393                         start = (jack_nframes_t) ceil ((double) start / one_minute) * one_minute;
2394                 } else {
2395                         start = (jack_nframes_t) floor ((double) start / one_minute) * one_minute;
2396                 }
2397                 if (session->smpte_offset_negative())
2398                 {
2399                         start -= session->smpte_offset ();
2400                 } else {
2401                         start += session->smpte_offset ();
2402                 }
2403                 break;
2404
2405         case SnapToSeconds:
2406                 if (direction) {
2407                         start = (jack_nframes_t) ceil ((double) start / one_second) * one_second;
2408                 } else {
2409                         start = (jack_nframes_t) floor ((double) start / one_second) * one_second;
2410                 }
2411                 break;
2412
2413         case SnapToMinutes:
2414                 if (direction) {
2415                         start = (jack_nframes_t) ceil ((double) start / one_minute) * one_minute;
2416                 } else {
2417                         start = (jack_nframes_t) floor ((double) start / one_minute) * one_minute;
2418                 }
2419                 break;
2420
2421         case SnapToBar:
2422                 start = session->tempo_map().round_to_bar (start, direction);
2423                 break;
2424
2425         case SnapToBeat:
2426                 start = session->tempo_map().round_to_beat (start, direction);
2427                 break;
2428
2429         case SnapToAThirtysecondBeat:
2430                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2431                 break;
2432
2433         case SnapToASixteenthBeat:
2434                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2435                 break;
2436
2437         case SnapToAEighthBeat:
2438                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2439                 break;
2440
2441         case SnapToAQuarterBeat:
2442                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2443                 break;
2444
2445         case SnapToAThirdBeat:
2446                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2447                 break;
2448
2449         case SnapToEditCursor:
2450                 start = edit_cursor->current_frame;
2451                 break;
2452
2453         case SnapToMark:
2454                 if (for_mark) {
2455                         return;
2456                 }
2457
2458                 before = session->locations()->first_location_before (start);
2459                 after = session->locations()->first_location_after (start);
2460
2461                 if (direction < 0) {
2462                         if (before) {
2463                                 start = before->start();
2464                         } else {
2465                                 start = 0;
2466                         }
2467                 } else if (direction > 0) {
2468                         if (after) {
2469                                 start = after->start();
2470                         } else {
2471                                 start = session->current_end_frame();
2472                         }
2473                 } else {
2474                         if (before) {
2475                                 if (after) {
2476                                         /* find nearest of the two */
2477                                         if ((start - before->start()) < (after->start() - start)) {
2478                                                 start = before->start();
2479                                         } else {
2480                                                 start = after->start();
2481                                         }
2482                                 } else {
2483                                         start = before->start();
2484                                 }
2485                         } else if (after) {
2486                                 start = after->start();
2487                         } else {
2488                                 /* relax */
2489                         }
2490                 }
2491                 break;
2492
2493         case SnapToRegionStart:
2494         case SnapToRegionEnd:
2495         case SnapToRegionSync:
2496         case SnapToRegionBoundary:
2497                 if (!region_boundary_cache.empty()) {
2498                         vector<jack_nframes_t>::iterator i;
2499
2500                         if (direction > 0) {
2501                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2502                         } else {
2503                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2504                         }
2505
2506                         if (i != region_boundary_cache.end()) {
2507                                 start = *i;
2508                         } else {
2509                                 start = region_boundary_cache.back();
2510                         }
2511                 }
2512                 break;
2513         }
2514
2515         switch (snap_mode) {
2516         case SnapNormal:
2517                 return;
2518
2519         case SnapMagnetic:
2520
2521                 if (presnap > start) {
2522                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2523                                 start = presnap;
2524                         }
2525
2526                 } else if (presnap < start) {
2527                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2528                                 start = presnap;
2529                         }
2530                 }
2531
2532         default:
2533                 return;
2534
2535         }
2536 }
2537
2538 void
2539 Editor::setup_toolbar ()
2540 {
2541         string pixmap_path;
2542
2543         const guint32 FUDGE = 18; // Combo's are stupid - they steal space from the entry for the button
2544
2545
2546         /* Mode Buttons (tool selection) */
2547
2548         vector<ToggleButton *> mouse_mode_buttons;
2549
2550         mouse_move_button.add (*(manage (new Image (get_xpm("tool_object.xpm")))));
2551         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2552         mouse_mode_buttons.push_back (&mouse_move_button);
2553         mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2554         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2555         mouse_mode_buttons.push_back (&mouse_select_button);
2556         mouse_gain_button.add (*(manage (new Image (get_xpm("tool_gain.xpm")))));
2557         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2558         mouse_mode_buttons.push_back (&mouse_gain_button);
2559         mouse_zoom_button.add (*(manage (new Image (get_xpm("tool_zoom.xpm")))));
2560         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2561         mouse_mode_buttons.push_back (&mouse_zoom_button);
2562         mouse_timefx_button.add (*(manage (new Image (get_xpm("tool_stretch.xpm")))));
2563         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2564         mouse_mode_buttons.push_back (&mouse_timefx_button);
2565         mouse_audition_button.add (*(manage (new Image (get_xpm("tool_audition.xpm")))));
2566         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2567         mouse_mode_buttons.push_back (&mouse_audition_button);
2568
2569         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2570
2571         HBox* mode_box = manage(new HBox);
2572         mode_box->set_border_width (2);
2573         mode_box->set_spacing(4);
2574         mouse_mode_button_box.set_spacing(1);
2575         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2576         mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2577         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2578         mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2579         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2580         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2581         mouse_mode_button_box.set_homogeneous(true);
2582
2583         edit_mode_selector.set_name ("EditModeSelector");
2584         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, "Splice Edit", 2+FUDGE, 10);
2585         set_popdown_strings (edit_mode_selector, internationalize (edit_mode_strings));
2586         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2587
2588         mode_box->pack_start(edit_mode_selector);
2589         mode_box->pack_start(mouse_mode_button_box);
2590
2591         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2592         mouse_mode_tearoff->set_name ("MouseModeBase");
2593
2594         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2595                                                   &mouse_mode_tearoff->tearoff_window()));
2596         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2597                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2598         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2599                                                   &mouse_mode_tearoff->tearoff_window()));
2600         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2601                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2602
2603         mouse_move_button.set_name ("MouseModeButton");
2604         mouse_select_button.set_name ("MouseModeButton");
2605         mouse_gain_button.set_name ("MouseModeButton");
2606         mouse_zoom_button.set_name ("MouseModeButton");
2607         mouse_timefx_button.set_name ("MouseModeButton");
2608         mouse_audition_button.set_name ("MouseModeButton");
2609
2610         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
2611         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
2612         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
2613         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
2614         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2615         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2616
2617         mouse_move_button.unset_flags (CAN_FOCUS);
2618         mouse_select_button.unset_flags (CAN_FOCUS);
2619         mouse_gain_button.unset_flags (CAN_FOCUS);
2620         mouse_zoom_button.unset_flags (CAN_FOCUS);
2621         mouse_timefx_button.unset_flags (CAN_FOCUS);
2622         mouse_audition_button.unset_flags (CAN_FOCUS);
2623
2624         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2625         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2626
2627         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2628         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2629         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2630         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2631         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2632
2633         // mouse_move_button.set_active (true);
2634
2635
2636         /* Zoom */
2637
2638         zoom_box.set_spacing (1);
2639         zoom_box.set_border_width (2);
2640
2641         zoom_in_button.set_name ("EditorTimeButton");
2642         zoom_in_button.add (*(manage (new Image (get_xpm("zoom_in.xpm")))));
2643         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2644         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2645
2646         zoom_out_button.set_name ("EditorTimeButton");
2647         zoom_out_button.add (*(manage (new Image (get_xpm("zoom_out.xpm")))));
2648         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2649         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2650
2651         zoom_out_full_button.set_name ("EditorTimeButton");
2652         zoom_out_full_button.add (*(manage (new Image (get_xpm("zoom_full.xpm")))));
2653         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2654         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2655
2656         zoom_box.pack_start (zoom_out_button, false, false);
2657         zoom_box.pack_start (zoom_in_button, false, false);
2658         zoom_box.pack_start (zoom_range_clock, false, false);
2659         zoom_box.pack_start (zoom_out_full_button, false, false);
2660
2661         ARDOUR_UI::instance()->tooltips().set_tip (zoom_range_clock, _("Current Zoom Range\n(Width of visible area)"));
2662
2663         zoom_focus_selector.set_name ("ZoomFocusSelector");
2664         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, "Focus Center", 2+FUDGE, 0);
2665         set_popdown_strings (zoom_focus_selector, internationalize (zoom_focus_strings));
2666         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2667
2668         zoom_box.pack_start (zoom_focus_selector, false, false);
2669
2670
2671         /* Edit Cursor / Snap */
2672
2673         snap_box.set_spacing (1);
2674         snap_box.set_border_width (2);
2675
2676         snap_type_selector.set_name ("SnapTypeSelector");
2677         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, "SMPTE Seconds", 2+FUDGE, 10);
2678         set_popdown_strings (snap_type_selector, internationalize (snap_type_strings));
2679         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2680         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Unit to snap cursors and ranges to"));
2681
2682         snap_mode_selector.set_name ("SnapModeSelector");
2683         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, "Magnetic Snap", 2+FUDGE, 10);
2684         set_popdown_strings (snap_mode_selector, internationalize (snap_mode_strings));
2685         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2686
2687         snap_box.pack_start (edit_cursor_clock, false, false);
2688         snap_box.pack_start (snap_mode_selector, false, false);
2689         snap_box.pack_start (snap_type_selector, false, false);
2690
2691
2692         /* Nudge */
2693
2694         HBox *nudge_box = manage (new HBox);
2695         nudge_box->set_spacing(1);
2696         nudge_box->set_border_width (2);
2697
2698         nudge_forward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_forward), false));
2699         nudge_backward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_backward), false));
2700
2701         nudge_box->pack_start (nudge_backward_button, false, false);
2702         nudge_box->pack_start (nudge_forward_button, false, false);
2703         nudge_box->pack_start (nudge_clock, false, false);
2704
2705
2706         /* Pack everything in... */
2707
2708         HBox* hbox = new HBox;
2709         hbox->set_spacing(10);
2710
2711         tools_tearoff = new TearOff (*hbox);
2712         tools_tearoff->set_name ("MouseModeBase");
2713
2714         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2715                                              &tools_tearoff->tearoff_window()));
2716         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2717                                              &tools_tearoff->tearoff_window(), 0));
2718         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2719                                              &tools_tearoff->tearoff_window()));
2720         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2721                                               &tools_tearoff->tearoff_window(), 0));
2722
2723         toolbar_hbox.set_spacing (10);
2724         toolbar_hbox.set_border_width (1);
2725
2726         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2727         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2728
2729
2730         hbox->pack_start (snap_box, false, false);
2731         hbox->pack_start (zoom_box, false, false);
2732         hbox->pack_start (*nudge_box, false, false);
2733
2734         hbox->show_all ();
2735
2736         toolbar_base.set_name ("ToolBarBase");
2737         toolbar_base.add (toolbar_hbox);
2738
2739         toolbar_frame.set_shadow_type (SHADOW_OUT);
2740         toolbar_frame.set_name ("BaseFrame");
2741         toolbar_frame.add (toolbar_base);
2742 }
2743
2744 int
2745 Editor::convert_drop_to_paths (vector<ustring>& paths,
2746                                const RefPtr<Gdk::DragContext>& context,
2747                                gint                x,
2748                                gint                y,
2749                                const SelectionData& data,
2750                                guint               info,
2751                                guint               time)
2752
2753 {
2754         if (session == 0) {
2755                 return -1;
2756         }
2757
2758         vector<ustring> uris = data.get_uris();
2759
2760         if (uris.empty()) {
2761
2762                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
2763                    are actually URI lists. So do it by hand.
2764                 */
2765
2766                 if (data.get_target() != "text/plain") {
2767                         return -1;
2768                 }
2769
2770                 /* Parse the "uri-list" format that Nautilus provides,
2771                    where each pathname is delimited by \r\n
2772                 */
2773
2774                 const char* p = data.get_text().c_str();
2775                 const char* q;
2776
2777                 while (p)
2778                 {
2779                         if (*p != '#')
2780                         {
2781                                 while (g_ascii_isspace (*p))
2782                                         p++;
2783
2784                                 q = p;
2785                                 while (*q && (*q != '\n') && (*q != '\r'))
2786                                         q++;
2787
2788                                 if (q > p)
2789                                 {
2790                                         q--;
2791                                         while (q > p && g_ascii_isspace (*q))
2792                                                 q--;
2793
2794                                         if (q > p)
2795                                         {
2796                                                 uris.push_back (ustring (p, q - p + 1));
2797                                         }
2798                                 }
2799                         }
2800                         p = strchr (p, '\n');
2801                         if (p)
2802                                 p++;
2803                 }
2804
2805                 if (uris.empty()) {
2806                         return -1;
2807                 }
2808         }
2809
2810         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
2811                 if ((*i).substr (0,7) == "file://") {
2812                         string p = *i;
2813                         PBD::url_decode (p);
2814                         paths.push_back (p.substr (7));
2815                 }
2816         }
2817
2818         return 0;
2819 }
2820
2821 void
2822 Editor::new_tempo_section ()
2823
2824 {
2825 }
2826
2827 void
2828 Editor::map_transport_state ()
2829 {
2830         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
2831
2832         if (session->transport_stopped()) {
2833                 have_pending_keyboard_selection = false;
2834         }
2835 }
2836
2837 /* UNDO/REDO */
2838
2839 Editor::State::State ()
2840 {
2841         selection = new Selection;
2842 }
2843
2844 Editor::State::~State ()
2845 {
2846         delete selection;
2847 }
2848
2849 UndoAction
2850 Editor::get_memento () const
2851 {
2852         State *state = new State;
2853
2854         store_state (*state);
2855         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
2856 }
2857
2858 void
2859 Editor::store_state (State& state) const
2860 {
2861         *state.selection = *selection;
2862 }
2863
2864 void
2865 Editor::restore_state (State *state)
2866 {
2867         if (*selection == *state->selection) {
2868                 return;
2869         }
2870
2871         *selection = *state->selection;
2872         time_selection_changed ();
2873         region_selection_changed ();
2874
2875         /* XXX other selection change handlers? */
2876 }
2877
2878 void
2879 Editor::begin_reversible_command (string name)
2880 {
2881         if (session) {
2882                 before = &get_state();
2883                 session->begin_reversible_command (name);
2884         }
2885 }
2886
2887 void
2888 Editor::commit_reversible_command ()
2889 {
2890         if (session) {
2891                 session->commit_reversible_command (new MementoCommand<Editor>(*this, *before, get_state()));
2892         }
2893 }
2894
2895 bool
2896 Editor::set_selected_track_from_click (bool press, Selection::Operation op, bool with_undo, bool no_remove)
2897 {
2898         bool commit = false;
2899
2900         if (!clicked_trackview) {
2901                 return false;
2902         }
2903
2904         switch (op) {
2905         case Selection::Toggle:
2906                 if (selection->selected (clicked_trackview)) {
2907                         if (!no_remove) {
2908                                 selection->remove (clicked_trackview);
2909                                 commit = true;
2910                         }
2911                 } else {
2912                         selection->add (clicked_trackview);
2913                         commit = false;
2914                 }
2915                 break;
2916
2917         case Selection::Set:
2918                 if (selection->selected (clicked_trackview) && selection->tracks.size() == 1) {
2919                         /* no commit necessary */
2920                 }
2921
2922                 selection->set (clicked_trackview);
2923                 break;
2924
2925         case Selection::Extend:
2926                 /* not defined yet */
2927                 break;
2928         }
2929
2930         return commit;
2931 }
2932
2933 bool
2934 Editor::set_selected_control_point_from_click (bool press, Selection::Operation op, bool with_undo, bool no_remove)
2935 {
2936         if (!clicked_control_point) {
2937                 return false;
2938         }
2939
2940         /* select this point and any others that it represents */
2941
2942         double y1, y2;
2943         jack_nframes_t x1, x2;
2944
2945         x1 = pixel_to_frame (clicked_control_point->get_x() - 10);
2946         x2 = pixel_to_frame (clicked_control_point->get_x() + 10);
2947         y1 = clicked_control_point->get_x() - 10;
2948         y2 = clicked_control_point->get_y() + 10;
2949
2950         return select_all_within (x1, x2, y1, y2, op);
2951 }
2952
2953 void
2954 Editor::get_relevant_audio_tracks (AudioTimeAxisView& base, set<AudioTimeAxisView*>& relevant_tracks)
2955 {
2956         /* step one: get all selected tracks and all tracks in the relevant edit groups */
2957
2958         for (TrackSelection::iterator ti = selection->tracks.begin(); ti != selection->tracks.end(); ++ti) {
2959
2960                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*ti);
2961
2962                 if (!atv) {
2963                         continue;
2964                 }
2965
2966                 RouteGroup* group = atv->route()->edit_group();
2967
2968                 if (group && group->is_active()) {
2969
2970                         /* active group for this track, loop over all tracks and get every member of the group */
2971
2972                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
2973
2974                                 AudioTimeAxisView* tatv;
2975
2976                                 if ((tatv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
2977
2978                                         if (tatv->route()->edit_group() == group) {
2979                                                 relevant_tracks.insert (tatv);
2980                                         }
2981                                 }
2982                         }
2983
2984                 } else {
2985
2986                         /* no active group, or no group */
2987
2988                         relevant_tracks.insert (&base);
2989                 }
2990
2991         }
2992 }
2993
2994 void
2995 Editor::mapover_audio_tracks (slot<void,AudioTimeAxisView&,uint32_t> sl)
2996 {
2997         set<AudioTimeAxisView*> relevant_tracks;
2998
2999         if (!clicked_audio_trackview) {
3000                 return;
3001         }
3002
3003         get_relevant_audio_tracks (*clicked_audio_trackview, relevant_tracks);
3004
3005         uint32_t sz = relevant_tracks.size();
3006
3007         for (set<AudioTimeAxisView*>::iterator ati = relevant_tracks.begin(); ati != relevant_tracks.end(); ++ati) {
3008                 sl (**ati, sz);
3009         }
3010 }
3011
3012 void
3013 Editor::mapped_set_selected_regionview_from_click (RouteTimeAxisView& tv, uint32_t ignored,
3014                                                   RegionView* basis, vector<RegionView*>* all_equivs)
3015 {
3016         Playlist* pl;
3017         vector<Region*> results;
3018         RegionView* marv;
3019         Diskstream* ds;
3020
3021         if ((ds = tv.get_diskstream()) == 0) {
3022                 /* bus */
3023                 return;
3024         }
3025
3026         if (&tv == &basis->get_time_axis_view()) {
3027                 /* looking in same track as the original */
3028                 return;
3029         }
3030
3031
3032         if ((pl = dynamic_cast<Playlist*>(ds->playlist())) != 0) {
3033                 pl->get_equivalent_regions (basis->region(), results);
3034         }
3035
3036         for (vector<Region*>::iterator ir = results.begin(); ir != results.end(); ++ir) {
3037                 if ((marv = tv.view()->find_view (**ir)) != 0) {
3038                         all_equivs->push_back (marv);
3039                 }
3040         }
3041 }
3042
3043 bool
3044 Editor::set_selected_regionview_from_click (bool press, Selection::Operation op, bool no_track_remove)
3045 {
3046         vector<RegionView*> all_equivalent_regions;
3047         bool commit = false;
3048
3049         if (!clicked_regionview || !clicked_audio_trackview) {
3050                 return false;
3051         }
3052
3053         if (op == Selection::Toggle || op == Selection::Set) {
3054
3055                 mapover_audio_tracks (bind (mem_fun (*this, &Editor::mapped_set_selected_regionview_from_click),
3056                                             clicked_regionview, &all_equivalent_regions));
3057
3058
3059                 /* add clicked regionview since we skipped all other regions in the same track as the one it was in */
3060
3061                 all_equivalent_regions.push_back (clicked_regionview);
3062
3063                 switch (op) {
3064                 case Selection::Toggle:
3065
3066                         if (clicked_regionview->get_selected()) {
3067                                 if (press) {
3068
3069                                         /* whatever was clicked was selected already; do nothing here but allow
3070                                            the button release to deselect it
3071                                         */
3072
3073                                         button_release_can_deselect = true;
3074
3075                                 } else {
3076
3077                                         if (button_release_can_deselect) {
3078
3079                                                 /* just remove this one region, but only on a permitted button release */
3080
3081                                                 selection->remove (clicked_regionview);
3082                                                 commit = true;
3083
3084                                                 /* no more deselect action on button release till a new press
3085                                                    finds an already selected object.
3086                                                 */
3087
3088                                                 button_release_can_deselect = false;
3089                                         }
3090                                 }
3091
3092                         } else {
3093
3094                                 if (press) {
3095                                         /* add all the equivalent regions, but only on button press */
3096
3097                                         if (!all_equivalent_regions.empty()) {
3098                                                 commit = true;
3099                                         }
3100
3101                                         for (vector<RegionView*>::iterator i = all_equivalent_regions.begin(); i != all_equivalent_regions.end(); ++i) {
3102                                                 selection->add (*i);
3103                                         }
3104                                 }
3105                         }
3106                         break;
3107
3108                 case Selection::Set:
3109                         if (!clicked_regionview->get_selected()) {
3110                                 selection->set (all_equivalent_regions);
3111                                 commit = true;
3112                         } else {
3113                                 /* no commit necessary: clicked on an already selected region */
3114                                 goto out;
3115                         }
3116                         break;
3117
3118                 default:
3119                         /* silly compiler */
3120                         break;
3121                 }
3122
3123         } else if (op == Selection::Extend) {
3124
3125                 list<Selectable*> results;
3126                 jack_nframes_t last_frame;
3127                 jack_nframes_t first_frame;
3128
3129                 /* 1. find the last selected regionview in the track that was clicked in */
3130
3131                 last_frame = 0;
3132                 first_frame = max_frames;
3133
3134                 for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
3135                         if (&(*x)->get_time_axis_view() == &clicked_regionview->get_time_axis_view()) {
3136
3137                                 if ((*x)->region().last_frame() > last_frame) {
3138                                         last_frame = (*x)->region().last_frame();
3139                                 }
3140
3141                                 if ((*x)->region().first_frame() < first_frame) {
3142                                         first_frame = (*x)->region().first_frame();
3143                                 }
3144                         }
3145                 }
3146
3147                 /* 2. figure out the boundaries for our search for new objects */
3148
3149                 switch (clicked_regionview->region().coverage (first_frame, last_frame)) {
3150                 case OverlapNone:
3151                         cerr << "no overlap, first = " << first_frame << " last = " << last_frame << " region = "
3152                              << clicked_regionview->region().first_frame() << " .. " << clicked_regionview->region().last_frame() << endl;
3153
3154                         if (last_frame < clicked_regionview->region().first_frame()) {
3155                                 first_frame = last_frame;
3156                                 last_frame = clicked_regionview->region().last_frame();
3157                         } else {
3158                                 last_frame = first_frame;
3159                                 first_frame = clicked_regionview->region().first_frame();
3160                         }
3161                         break;
3162
3163                 case OverlapExternal:
3164                         cerr << "external overlap, first = " << first_frame << " last = " << last_frame << " region = "
3165                              << clicked_regionview->region().first_frame() << " .. " << clicked_regionview->region().last_frame() << endl;
3166
3167                         if (last_frame < clicked_regionview->region().first_frame()) {
3168                                 first_frame = last_frame;
3169                                 last_frame = clicked_regionview->region().last_frame();
3170                         } else {
3171                                 last_frame = first_frame;
3172                                 first_frame = clicked_regionview->region().first_frame();
3173                         }
3174                         break;
3175
3176                 case OverlapInternal:
3177                         cerr << "internal overlap, first = " << first_frame << " last = " << last_frame << " region = "
3178                              << clicked_regionview->region().first_frame() << " .. " << clicked_regionview->region().last_frame() << endl;
3179
3180                         if (last_frame < clicked_regionview->region().first_frame()) {
3181                                 first_frame = last_frame;
3182                                 last_frame = clicked_regionview->region().last_frame();
3183                         } else {
3184                                 last_frame = first_frame;
3185                                 first_frame = clicked_regionview->region().first_frame();
3186                         }
3187                         break;
3188
3189                 case OverlapStart:
3190                 case OverlapEnd:
3191                         /* nothing to do except add clicked region to selection, since it
3192                            overlaps with the existing selection in this track.
3193                         */
3194                         break;
3195                 }
3196
3197                 /* 2. find all selectable objects (regionviews in this case) between that one and the end of the
3198                       one that was clicked.
3199                 */
3200
3201                 set<AudioTimeAxisView*> relevant_tracks;
3202
3203                 get_relevant_audio_tracks (*clicked_audio_trackview, relevant_tracks);
3204
3205                 for (set<AudioTimeAxisView*>::iterator t = relevant_tracks.begin(); t != relevant_tracks.end(); ++t) {
3206                         (*t)->get_selectables (first_frame, last_frame, -1.0, -1.0, results);
3207                 }
3208
3209                 /* 3. convert to a vector of audio regions */
3210
3211                 vector<RegionView*> regions;
3212
3213                 for (list<Selectable*>::iterator x = results.begin(); x != results.end(); ++x) {
3214                         RegionView* arv;
3215
3216                         if ((arv = dynamic_cast<RegionView*>(*x)) != 0) {
3217                                 regions.push_back (arv);
3218                         }
3219                 }
3220
3221                 if (!regions.empty()) {
3222                         selection->add (regions);
3223                         commit = true;
3224                 }
3225         }
3226
3227   out:
3228         return commit;
3229 }
3230
3231 void
3232 Editor::set_selected_regionview_from_region_list (Region& region, Selection::Operation op)
3233 {
3234         vector<RegionView*> all_equivalent_regions;
3235
3236         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3237
3238                 RouteTimeAxisView* tatv;
3239
3240                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
3241
3242                         Playlist* pl;
3243                         vector<Region*> results;
3244                         RegionView* marv;
3245                         Diskstream* ds;
3246
3247                         if ((ds = tatv->get_diskstream()) == 0) {
3248                                 /* bus */
3249                                 continue;
3250                         }
3251
3252                         if ((pl = dynamic_cast<Playlist*>(ds->playlist())) != 0) {
3253                                 pl->get_region_list_equivalent_regions (region, results);
3254                         }
3255
3256                         for (vector<Region*>::iterator ir = results.begin(); ir != results.end(); ++ir) {
3257                                 if ((marv = tatv->view()->find_view (**ir)) != 0) {
3258                                         all_equivalent_regions.push_back (marv);
3259                                 }
3260                         }
3261
3262                 }
3263         }
3264
3265         begin_reversible_command (_("set selected regions"));
3266
3267         switch (op) {
3268         case Selection::Toggle:
3269                 /* XXX this is not correct */
3270                 selection->toggle (all_equivalent_regions);
3271                 break;
3272         case Selection::Set:
3273                 selection->set (all_equivalent_regions);
3274                 break;
3275         case Selection::Extend:
3276                 selection->add (all_equivalent_regions);
3277                 break;
3278         }
3279
3280         commit_reversible_command () ;
3281 }
3282
3283 bool
3284 Editor::set_selected_regionview_from_map_event (GdkEventAny* ev, StreamView* sv, Region* r)
3285 {
3286         RegionView* rv;
3287         Region* ar;
3288
3289         if ((ar = dynamic_cast<Region*> (r)) == 0) {
3290                 return TRUE;
3291         }
3292
3293         if ((rv = sv->find_view (*ar)) == 0) {
3294                 return TRUE;
3295         }
3296
3297         /* don't reset the selection if its something other than
3298            a single other region.
3299         */
3300
3301         if (selection->regions.size() > 1) {
3302                 return TRUE;
3303         }
3304
3305         begin_reversible_command (_("set selected regions"));
3306
3307         selection->set (rv);
3308
3309         commit_reversible_command () ;
3310
3311         return TRUE;
3312 }
3313
3314 void
3315 Editor::set_edit_group_solo (Route& route, bool yn)
3316 {
3317         RouteGroup *edit_group;
3318
3319         if ((edit_group = route.edit_group()) != 0) {
3320                 edit_group->apply (&Route::set_solo, yn, this);
3321         } else {
3322                 route.set_solo (yn, this);
3323         }
3324 }
3325
3326 void
3327 Editor::set_edit_group_mute (Route& route, bool yn)
3328 {
3329         RouteGroup *edit_group = 0;
3330
3331         if ((edit_group == route.edit_group()) != 0) {
3332                 edit_group->apply (&Route::set_mute, yn, this);
3333         } else {
3334                 route.set_mute (yn, this);
3335         }
3336 }
3337
3338 void
3339 Editor::set_edit_menu (Menu& menu)
3340 {
3341         edit_menu = &menu;
3342         edit_menu->signal_map_event().connect (mem_fun(*this, &Editor::edit_menu_map_handler));
3343 }
3344
3345 bool
3346 Editor::edit_menu_map_handler (GdkEventAny* ev)
3347 {
3348         using namespace Menu_Helpers;
3349         MenuList& edit_items = edit_menu->items();
3350         string label;
3351
3352         /* Nuke all the old items */
3353
3354         edit_items.clear ();
3355
3356         if (session == 0) {
3357                 return false;
3358         }
3359
3360         if (session->undo_depth() == 0) {
3361                 label = _("Undo");
3362         } else {
3363                 label = string_compose(_("Undo (%1)"), session->next_undo());
3364         }
3365
3366         edit_items.push_back (MenuElem (label, bind (mem_fun(*this, &Editor::undo), 1U)));
3367
3368         if (session->undo_depth() == 0) {
3369                 edit_items.back().set_sensitive (false);
3370         }
3371
3372         if (session->redo_depth() == 0) {
3373                 label = _("Redo");
3374         } else {
3375                 label = string_compose(_("Redo (%1)"), session->next_redo());
3376         }
3377
3378         edit_items.push_back (MenuElem (label, bind (mem_fun(*this, &Editor::redo), 1U)));
3379         if (session->redo_depth() == 0) {
3380                 edit_items.back().set_sensitive (false);
3381         }
3382
3383         vector<MenuItem*> mitems;
3384
3385         edit_items.push_back (SeparatorElem());
3386         edit_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
3387         mitems.push_back (&edit_items.back());
3388         edit_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
3389         mitems.push_back (&edit_items.back());
3390         edit_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
3391         mitems.push_back (&edit_items.back());
3392         edit_items.push_back (SeparatorElem());
3393         edit_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
3394         mitems.push_back (&edit_items.back());
3395         edit_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
3396         mitems.push_back (&edit_items.back());
3397         edit_items.push_back (SeparatorElem());
3398
3399         if (selection->empty()) {
3400                 for (vector<MenuItem*>::iterator i = mitems.begin(); i != mitems.end(); ++i) {
3401                         (*i)->set_sensitive (false);
3402                 }
3403         }
3404
3405         Menu* import_menu = manage (new Menu());
3406         import_menu->set_name ("ArdourContextMenu");
3407         MenuList& import_items = import_menu->items();
3408
3409         import_items.push_back (MenuElem (_("... as new track"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportAsTrack)));
3410         import_items.push_back (MenuElem (_("... as new region"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportAsRegion)));
3411
3412         edit_items.push_back (MenuElem (_("Import audio (copy)"), *import_menu));
3413         edit_items.push_back (SeparatorElem());
3414
3415         edit_items.push_back (MenuElem (_("Remove last capture"), mem_fun(*this, &Editor::remove_last_capture)));
3416
3417         if (!session->have_captured()) {
3418                 edit_items.back().set_sensitive (false);
3419         }
3420
3421         return false;
3422 }
3423
3424 void
3425 Editor::duplicate_dialog (bool dup_region)
3426 {
3427         if (dup_region) {
3428                 if (clicked_regionview == 0) {
3429                         return;
3430                 }
3431         } else {
3432                 if (selection->time.length() == 0) {
3433                         return;
3434                 }
3435         }
3436
3437         ArdourDialog win ("duplicate dialog");
3438         Entry  entry;
3439         Label  label (_("Duplicate how many times?"));
3440
3441         win.get_vbox()->pack_start (label);
3442         win.add_action_widget (entry, RESPONSE_ACCEPT);
3443         win.add_button (Stock::OK, RESPONSE_ACCEPT);
3444         win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3445
3446         win.set_position (WIN_POS_MOUSE);
3447
3448         entry.set_text ("1");
3449         set_size_request_to_display_given_text (entry, X_("12345678"), 20, 15);
3450         entry.select_region (0, entry.get_text_length());
3451         entry.grab_focus ();
3452
3453
3454         switch (win.run ()) {
3455         case RESPONSE_ACCEPT:
3456                 break;
3457         default:
3458                 return;
3459         }
3460
3461         string text = entry.get_text();
3462         float times;
3463
3464         if (sscanf (text.c_str(), "%f", &times) == 1) {
3465                 if (dup_region) {
3466                         RegionSelection regions;
3467                         regions.add (clicked_regionview);
3468                         duplicate_some_regions (regions, times);
3469                 } else {
3470                         duplicate_selection (times);
3471                 }
3472         }
3473 }
3474
3475 void
3476 Editor::show_verbose_canvas_cursor ()
3477 {
3478         verbose_canvas_cursor->raise_to_top();
3479         verbose_canvas_cursor->show();
3480         verbose_cursor_visible = true;
3481 }
3482
3483 void
3484 Editor::hide_verbose_canvas_cursor ()
3485 {
3486         verbose_canvas_cursor->hide();
3487         verbose_cursor_visible = false;
3488 }
3489
3490 void
3491 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3492 {
3493         /* XXX get origin of canvas relative to root window,
3494            add x and y and check compared to gdk_screen_{width,height}
3495         */
3496         verbose_canvas_cursor->property_text() = txt.c_str();
3497         verbose_canvas_cursor->property_x() = x;
3498         verbose_canvas_cursor->property_y() = y;
3499 }
3500
3501 void
3502 Editor::set_verbose_canvas_cursor_text (const string & txt)
3503 {
3504         verbose_canvas_cursor->property_text() = txt.c_str();
3505 }
3506
3507 void
3508 Editor::edit_mode_selection_done ()
3509 {
3510         if (session == 0) {
3511                 return;
3512         }
3513
3514         string choice = edit_mode_selector.get_active_text();
3515         EditMode mode = Slide;
3516
3517         if (choice == _("Splice Edit")) {
3518                 mode = Splice;
3519         } else if (choice == _("Slide Edit")) {
3520                 mode = Slide;
3521         }
3522
3523         session->set_edit_mode (mode);
3524 }
3525
3526 void
3527 Editor::snap_type_selection_done ()
3528 {
3529         if (session == 0) {
3530                 return;
3531         }
3532
3533         string choice = snap_type_selector.get_active_text();
3534         SnapType snaptype = SnapToFrame;
3535
3536         if (choice == _("Beats/3")) {
3537                 snaptype = SnapToAThirdBeat;
3538         } else if (choice == _("Beats/4")) {
3539                 snaptype = SnapToAQuarterBeat;
3540         } else if (choice == _("Beats/8")) {
3541                 snaptype = SnapToAEighthBeat;
3542         } else if (choice == _("Beats/16")) {
3543                 snaptype = SnapToASixteenthBeat;
3544         } else if (choice == _("Beats/32")) {
3545                 snaptype = SnapToAThirtysecondBeat;
3546         } else if (choice == _("Beats")) {
3547                 snaptype = SnapToBeat;
3548         } else if (choice == _("Bars")) {
3549                 snaptype = SnapToBar;
3550         } else if (choice == _("Marks")) {
3551                 snaptype = SnapToMark;
3552         } else if (choice == _("Edit Cursor")) {
3553                 snaptype = SnapToEditCursor;
3554         } else if (choice == _("Region starts")) {
3555                 snaptype = SnapToRegionStart;
3556         } else if (choice == _("Region ends")) {
3557                 snaptype = SnapToRegionEnd;
3558         } else if (choice == _("Region bounds")) {
3559                 snaptype = SnapToRegionBoundary;
3560         } else if (choice == _("Region syncs")) {
3561                 snaptype = SnapToRegionSync;
3562         } else if (choice == _("CD Frames")) {
3563                 snaptype = SnapToCDFrame;
3564         } else if (choice == _("SMPTE Frames")) {
3565                 snaptype = SnapToSMPTEFrame;
3566         } else if (choice == _("SMPTE Seconds")) {
3567                 snaptype = SnapToSMPTESeconds;
3568         } else if (choice == _("SMPTE Minutes")) {
3569                 snaptype = SnapToSMPTEMinutes;
3570         } else if (choice == _("Seconds")) {
3571                 snaptype = SnapToSeconds;
3572         } else if (choice == _("Minutes")) {
3573                 snaptype = SnapToMinutes;
3574         } else if (choice == _("None")) {
3575                 snaptype = SnapToFrame;
3576         }
3577
3578         set_snap_to (snaptype);
3579 }
3580
3581 void
3582 Editor::snap_mode_selection_done ()
3583 {
3584         if(session == 0) {
3585                 return;
3586         }
3587
3588         string choice = snap_mode_selector.get_active_text();
3589         SnapMode mode = SnapNormal;
3590
3591         if (choice == _("Normal Snap")) {
3592                 mode = SnapNormal;
3593         } else if (choice == _("Magnetic Snap")) {
3594                 mode = SnapMagnetic;
3595         }
3596
3597         set_snap_mode (mode);
3598 }
3599
3600 void
3601 Editor::zoom_focus_selection_done ()
3602 {
3603         if (session == 0) {
3604                 return;
3605         }
3606
3607         string choice = zoom_focus_selector.get_active_text();
3608         ZoomFocus focus_type = ZoomFocusLeft;
3609
3610         if (choice == _("Focus Left")) {
3611                 focus_type = ZoomFocusLeft;
3612         } else if (choice == _("Focus Right")) {
3613                 focus_type = ZoomFocusRight;
3614         } else if (choice == _("Focus Center")) {
3615                 focus_type = ZoomFocusCenter;
3616         } else if (choice == _("Focus Playhead")) {
3617                 focus_type = ZoomFocusPlayhead;
3618         } else if (choice == _("Focus Edit Cursor")) {
3619                 focus_type = ZoomFocusEdit;
3620         }
3621
3622         set_zoom_focus (focus_type);
3623 }
3624
3625 gint
3626 Editor::edit_controls_button_release (GdkEventButton* ev)
3627 {
3628         if (Keyboard::is_context_menu_event (ev)) {
3629                 ARDOUR_UI::instance()->add_route ();
3630         }
3631         return TRUE;
3632 }
3633
3634 void
3635 Editor::track_selection_changed ()
3636 {
3637         switch (selection->tracks.size()){
3638         case 0:
3639                 break;
3640         default:
3641                 set_selected_mixer_strip (*(selection->tracks.front()));
3642                 break;
3643         }
3644
3645         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3646                 (*i)->set_selected (false);
3647                 if (mouse_mode == MouseRange) {
3648                         (*i)->hide_selection ();
3649                 }
3650         }
3651
3652         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3653                 (*i)->set_selected (true);
3654                 if (mouse_mode == MouseRange) {
3655                         (*i)->show_selection (selection->time);
3656                 }
3657         }
3658 }
3659
3660 void
3661 Editor::time_selection_changed ()
3662 {
3663         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3664                 (*i)->hide_selection ();
3665         }
3666
3667         if (selection->tracks.empty()) {
3668                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3669                         (*i)->show_selection (selection->time);
3670                 }
3671         } else {
3672                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3673                         (*i)->show_selection (selection->time);
3674                 }
3675         }
3676
3677         if (selection->time.empty()) {
3678                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, false);
3679         } else {
3680                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, true);
3681         }
3682 }
3683
3684 void
3685 Editor::region_selection_changed ()
3686 {
3687         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3688                 (*i)->set_selected_regionviews (selection->regions);
3689         }
3690 }
3691
3692 void
3693 Editor::point_selection_changed ()
3694 {
3695         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3696                 (*i)->set_selected_points (selection->points);
3697         }
3698 }
3699
3700 gint
3701 Editor::mouse_select_button_release (GdkEventButton* ev)
3702 {
3703         /* this handles just right-clicks */
3704
3705         if (ev->button != 3) {
3706                 return FALSE;
3707         }
3708
3709         return TRUE;
3710 }
3711
3712 Editor::TrackViewList *
3713 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3714 {
3715         TrackViewList *v;
3716         TrackViewList::iterator i;
3717
3718         v = new TrackViewList;
3719
3720         if (track == 0 && group == 0) {
3721
3722                 /* all views */
3723
3724                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3725                         v->push_back (*i);
3726                 }
3727
3728         } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
3729
3730                 /* just the view for this track
3731                  */
3732
3733                 v->push_back (track);
3734
3735         } else {
3736
3737                 /* views for all tracks in the edit group */
3738
3739                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3740
3741                         if (group == 0 || (*i)->edit_group() == group) {
3742                                 v->push_back (*i);
3743                         }
3744                 }
3745         }
3746
3747         return v;
3748 }
3749
3750 void
3751 Editor::set_zoom_focus (ZoomFocus f)
3752 {
3753         if (zoom_focus != f) {
3754                 zoom_focus = f;
3755                 vector<string> txt = internationalize (zoom_focus_strings);
3756                 zoom_focus_selector.set_active_text (txt[(int)f]);
3757                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3758
3759                 instant_save ();
3760         }
3761 }
3762
3763 void
3764 Editor::ensure_float (Window& win)
3765 {
3766         win.set_transient_for (*this);
3767 }
3768
3769 void
3770 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3771 {
3772         /* recover or initialize pane positions. do this here rather than earlier because
3773            we don't want the positions to change the child allocations, which they seem to do.
3774          */
3775
3776         int pos;
3777         XMLProperty* prop;
3778         char buf[32];
3779         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3780         int width, height;
3781         static int32_t done;
3782         XMLNode* geometry;
3783
3784         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3785                 width = default_width;
3786                 height = default_height;
3787         } else {
3788                 width = atoi(geometry->property("x_size")->value());
3789                 height = atoi(geometry->property("y_size")->value());
3790         }
3791
3792         if (which == static_cast<Paned*> (&edit_pane)) {
3793
3794                 if (done) {
3795                         return;
3796                 }
3797
3798                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3799                         /* initial allocation is 90% to canvas, 10% to notebook */
3800                         pos = (int) floor (alloc.get_width() * 0.90f);
3801                         snprintf (buf, sizeof(buf), "%d", pos);
3802                 } else {
3803                         pos = atoi (prop->value());
3804                 }
3805
3806                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3807                         edit_pane.set_position (pos);
3808                         pre_maximal_pane_position = pos;
3809                 }
3810         }
3811 }
3812
3813 void
3814 Editor::detach_tearoff (Box* b, Window* w)
3815 {
3816         if (tools_tearoff->torn_off() &&
3817             mouse_mode_tearoff->torn_off()) {
3818                 top_hbox.remove (toolbar_frame);
3819         }
3820 }
3821
3822 void
3823 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3824 {
3825         if (toolbar_frame.get_parent() == 0) {
3826                 top_hbox.pack_end (toolbar_frame);
3827         }
3828 }
3829
3830 void
3831 Editor::set_show_measures (bool yn)
3832 {
3833         if (_show_measures != yn) {
3834                 hide_measures ();
3835
3836                 if ((_show_measures = yn) == true) {
3837                         draw_measures ();
3838                 }
3839                 DisplayControlChanged (ShowMeasures);
3840                 instant_save ();
3841         }
3842 }
3843
3844 void
3845 Editor::toggle_follow_playhead ()
3846 {
3847         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3848         if (act) {
3849                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3850                 set_follow_playhead (tact->get_active());
3851         }
3852 }
3853
3854 void
3855 Editor::set_follow_playhead (bool yn)
3856 {
3857         if (_follow_playhead != yn) {
3858                 if ((_follow_playhead = yn) == true) {
3859                         /* catch up */
3860                         update_current_screen ();
3861                 }
3862                 DisplayControlChanged (FollowPlayhead);
3863                 instant_save ();
3864         }
3865 }
3866
3867 void
3868 Editor::toggle_xfade_active (Crossfade* xfade)
3869 {
3870         xfade->set_active (!xfade->active());
3871 }
3872
3873 void
3874 Editor::toggle_xfade_length (Crossfade* xfade)
3875 {
3876         xfade->set_follow_overlap (!xfade->following_overlap());
3877 }
3878
3879 void
3880 Editor::edit_xfade (Crossfade* xfade)
3881 {
3882         CrossfadeEditor cew (*session, *xfade, xfade->fade_in().get_min_y(), 1.0);
3883
3884         ensure_float (cew);
3885
3886         switch (cew.run ()) {
3887         case RESPONSE_ACCEPT:
3888                 break;
3889         default:
3890                 return;
3891         }
3892
3893         cew.apply ();
3894         xfade->StateChanged (Change (~0));
3895 }
3896
3897 PlaylistSelector&
3898 Editor::playlist_selector () const
3899 {
3900         return *_playlist_selector;
3901 }
3902
3903 jack_nframes_t
3904 Editor::get_nudge_distance (jack_nframes_t pos, jack_nframes_t& next)
3905 {
3906         jack_nframes_t ret;
3907
3908         ret = nudge_clock.current_duration (pos);
3909         next = ret + 1; /* XXXX fix me */
3910
3911         return ret;
3912 }
3913
3914 void
3915 Editor::end_location_changed (Location* location)
3916 {
3917         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3918         reset_scrolling_region ();
3919 }
3920
3921 int
3922 Editor::playlist_deletion_dialog (Playlist* pl)
3923 {
3924         ArdourDialog dialog ("playlist deletion dialog");
3925         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3926                                  "If left alone, no audio files used by it will be cleaned.\n"
3927                                  "If deleted, audio files used by it alone by will cleaned."),
3928                                pl->name()));
3929
3930         dialog.set_position (WIN_POS_CENTER);
3931         dialog.get_vbox()->pack_start (label);
3932
3933         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3934         dialog.add_button (_("Keep playlist"), RESPONSE_CANCEL);
3935         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3936
3937         switch (dialog.run ()) {
3938         case RESPONSE_ACCEPT:
3939                 /* delete the playlist */
3940                 return 0;
3941                 break;
3942
3943         case RESPONSE_REJECT:
3944                 /* keep the playlist */
3945                 return 1;
3946                 break;
3947
3948         default:
3949                 break;
3950         }
3951
3952         return -1;
3953 }
3954
3955 bool
3956 Editor::audio_region_selection_covers (jack_nframes_t where)
3957 {
3958         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3959                 if ((*a)->region().covers (where)) {
3960                         return true;
3961                 }
3962         }
3963
3964         return false;
3965 }
3966
3967 void
3968 Editor::prepare_for_cleanup ()
3969 {
3970         cut_buffer->clear_regions ();
3971         cut_buffer->clear_playlists ();
3972
3973         selection->clear_regions ();
3974         selection->clear_playlists ();
3975 }
3976
3977 Location*
3978 Editor::transport_loop_location()
3979 {
3980         if (session) {
3981                 return session->locations()->auto_loop_location();
3982         } else {
3983                 return 0;
3984         }
3985 }
3986
3987 Location*
3988 Editor::transport_punch_location()
3989 {
3990         if (session) {
3991                 return session->locations()->auto_punch_location();
3992         } else {
3993                 return 0;
3994         }
3995 }
3996
3997 bool
3998 Editor::control_layout_scroll (GdkEventScroll* ev)
3999 {
4000         switch (ev->direction) {
4001         case GDK_SCROLL_UP:
4002                 scroll_tracks_up_line ();
4003                 return true;
4004                 break;
4005
4006         case GDK_SCROLL_DOWN:
4007                 scroll_tracks_down_line ();
4008                 return true;
4009
4010         default:
4011                 /* no left/right handling yet */
4012                 break;
4013         }
4014
4015         return false;
4016 }
4017
4018 void
4019 Editor::snapshot_display_selection_changed ()
4020 {
4021         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
4022
4023                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
4024
4025                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
4026
4027                 if (snap_name.length() == 0) {
4028                         return;
4029                 }
4030
4031                 if (session->snap_name() == snap_name) {
4032                         return;
4033                 }
4034
4035                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
4036         }
4037 }
4038
4039 bool
4040 Editor::snapshot_display_button_press (GdkEventButton* ev)
4041 {
4042          return false;
4043 }
4044
4045 void
4046 Editor::redisplay_snapshots ()
4047 {
4048         if (session == 0) {
4049                 return;
4050         }
4051
4052         vector<string*>* states;
4053
4054         if ((states = session->possible_states()) == 0) {
4055                 return;
4056         }
4057
4058         snapshot_display_model->clear ();
4059
4060         for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
4061                 string statename = *(*i);
4062                 TreeModel::Row row = *(snapshot_display_model->append());
4063                 row[snapshot_display_columns.visible_name] = statename;
4064                 row[snapshot_display_columns.real_name] = statename;
4065         }
4066
4067         delete states;
4068 }
4069
4070 void
4071 Editor::session_state_saved (string snap_name)
4072 {
4073         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
4074         redisplay_snapshots ();
4075 }
4076
4077 void
4078 Editor::maximise_editing_space ()
4079 {
4080         mouse_mode_tearoff->set_visible (false);
4081         tools_tearoff->set_visible (false);
4082
4083         pre_maximal_pane_position = edit_pane.get_position();
4084         edit_pane.set_position (edit_pane.get_width());
4085
4086         fullscreen();
4087 }
4088
4089 void
4090 Editor::restore_editing_space ()
4091 {
4092         mouse_mode_tearoff->set_visible (true);
4093         tools_tearoff->set_visible (true);
4094         edit_pane.set_position (pre_maximal_pane_position);
4095
4096         unfullscreen();
4097 }
4098
4099 void
4100 Editor::new_playlists ()
4101 {
4102         begin_reversible_command (_("new playlists"));
4103         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist));
4104         commit_reversible_command ();
4105 }
4106
4107 void
4108 Editor::copy_playlists ()
4109 {
4110         begin_reversible_command (_("copy playlists"));
4111         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist));
4112         commit_reversible_command ();
4113 }
4114
4115 void
4116 Editor::clear_playlists ()
4117 {
4118         begin_reversible_command (_("clear playlists"));
4119         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_clear_playlist));
4120         commit_reversible_command ();
4121 }
4122
4123 void
4124 Editor::mapped_use_new_playlist (AudioTimeAxisView& atv, uint32_t sz)
4125 {
4126         atv.use_new_playlist (sz > 1 ? false : true);
4127 }
4128
4129 void
4130 Editor::mapped_use_copy_playlist (AudioTimeAxisView& atv, uint32_t sz)
4131 {
4132         atv.use_copy_playlist (sz > 1 ? false : true);
4133 }
4134
4135 void
4136 Editor::mapped_clear_playlist (AudioTimeAxisView& atv, uint32_t sz)
4137 {
4138         atv.clear_playlist ();
4139 }
4140
4141 bool
4142 Editor::on_key_press_event (GdkEventKey* ev)
4143 {
4144         return key_press_focus_accelerator_handler (*this, ev);
4145 }
4146
4147 void
4148 Editor::update_layering_model ()
4149 {
4150         RefPtr<Action> act;
4151
4152         switch (session->get_layer_model()) {
4153         case Session::LaterHigher:
4154                 act = ActionManager::get_action (X_("Editor"), X_("LayerLaterHigher"));
4155                 break;
4156         case Session::MoveAddHigher:
4157                 act = ActionManager::get_action (X_("Editor"), X_("LayerMoveAddHigher"));
4158                 break;
4159         case Session::AddHigher:
4160                 act = ActionManager::get_action (X_("Editor"), X_("LayerAddHigher"));
4161                 break;
4162         }
4163
4164         if (act) {
4165                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
4166                 if (ract && !ract->get_active()) {
4167                         ract->set_active (true);
4168                 }
4169         }
4170 }
4171
4172
4173 void
4174 Editor::update_crossfade_model ()
4175 {
4176         RefPtr<Action> act;
4177
4178         switch (session->get_xfade_model()) {
4179         case FullCrossfade:
4180                 act = ActionManager::get_action (X_("Editor"), X_("CrossfadesFull"));
4181                 break;
4182         case ShortCrossfade:
4183                 act = ActionManager::get_action (X_("Editor"), X_("CrossfadesShort"));
4184                 break;
4185         }
4186
4187         if (act) {
4188                 RefPtr<RadioAction> ract = RefPtr<RadioAction>::cast_dynamic(act);
4189                 if (ract && !ract->get_active()) {
4190                         ract->set_active (true);
4191                 }
4192         }
4193 }
4194