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 "audio_time_axis.h"
  66 #include "utils.h"
  67 #include "crossfade_view.h"
  68 #include "editing.h"
  69 #include "public_editor.h"
  70 #include "crossfade_edit.h"
  71 #include "audio_time_axis.h"
  72 #include "canvas_impl.h"
  73 #include "actions.h"
  74 #include "gui_thread.h"
  75
  76 #ifdef FFT_ANALYSIS
  77 #include "analysis_window.h"
  78 #endif
  79
  80 #include "i18n.h"
  81
  82 /* <CMT Additions> */
  83 #include "imageframe_socket_handler.h"
  84 /* </CMT Additions> */
  85
  86 using namespace std;
  87 using namespace sigc;
  88 using namespace ARDOUR;
  89 using namespace PBD;
  90 using namespace Gtk;
  91 using namespace Glib;
  92 using namespace Gtkmm2ext;
  93 using namespace Editing;
  94
  95 using PBD::atoi;
  96
  97 const double Editor::timebar_height = 15.0;
  98
  99 #include "editor_xpms"
 100
 101 static const gchar *_snap_type_strings[] = {
 102         N_("None"),
 103         N_("CD Frames"),
 104         N_("SMPTE Frames"),
 105         N_("SMPTE Seconds"),
 106         N_("SMPTE Minutes"),
 107         N_("Seconds"),
 108         N_("Minutes"),
 109         N_("Beats/32"),
 110         N_("Beats/16"),
 111         N_("Beats/8"),
 112         N_("Beats/4"),
 113         N_("Beats/3"),
 114         N_("Beats"),
 115         N_("Bars"),
 116         N_("Marks"),
 117         N_("Edit Cursor"),
 118         N_("Region starts"),
 119         N_("Region ends"),
 120         N_("Region syncs"),
 121         N_("Region bounds"),
 122         0
 123 };
 124
 125 static const gchar *_snap_mode_strings[] = {
 126         N_("Normal"),
 127         N_("Magnetic"),
 128         0
 129 };
 130
 131 static const gchar *_zoom_focus_strings[] = {
 132         N_("Left"),
 133         N_("Right"),
 134         N_("Center"),
 135         N_("Playhead"),
 136         N_("Edit Cursor"),
 137         0
 138 };
 139
 140 /* Soundfile  drag-n-drop */
 141
 142 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 143 Gdk::Cursor* Editor::selector_cursor = 0;
 144 Gdk::Cursor* Editor::trimmer_cursor = 0;
 145 Gdk::Cursor* Editor::grabber_cursor = 0;
 146 Gdk::Cursor* Editor::zoom_cursor = 0;
 147 Gdk::Cursor* Editor::time_fx_cursor = 0;
 148 Gdk::Cursor* Editor::fader_cursor = 0;
 149 Gdk::Cursor* Editor::speaker_cursor = 0;
 150 Gdk::Cursor* Editor::wait_cursor = 0;
 151 Gdk::Cursor* Editor::timebar_cursor = 0;
 152
 153 void
 154 show_me_the_size (Requisition* r, const char* what)
 155 {
 156         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 157 }
 158
 159 void
 160 check_adjustment (Gtk::Adjustment* adj)
 161 {
 162         cerr << "CHANGE adj  = "
 163              << adj->get_lower () <<  ' '
 164              << adj->get_upper () <<  ' '
 165              << adj->get_value () <<  ' '
 166              << adj->get_step_increment () <<  ' '
 167              << adj->get_page_increment () <<  ' '
 168              << adj->get_page_size () <<  ' '
 169              << endl;
 170
 171 }
 172
 173 Editor::Editor (AudioEngine& eng)
 174         : engine (eng),
 175
 176           /* time display buttons */
 177
 178           minsec_label (_("Mins:Secs")),
 179           bbt_label (_("Bars:Beats")),
 180           smpte_label (_("Timecode")),
 181           frame_label (_("Frames")),
 182           tempo_label (_("Tempo")),
 183           meter_label (_("Meter")),
 184           mark_label (_("Location Markers")),
 185           range_mark_label (_("Range Markers")),
 186           transport_mark_label (_("Loop/Punch Ranges")),
 187
 188           edit_packer (3, 3, false),
 189
 190           /* the values here don't matter: layout widgets
 191              reset them as needed.
 192           */
 193
 194           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
 195           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
 196
 197           /* tool bar related */
 198
 199           edit_cursor_clock (X_("EditCursorClock"), true),
 200           zoom_range_clock (X_("ZoomRangeClock"), true, true),
 201
 202           toolbar_selection_clock_table (2,3),
 203
 204           automation_mode_button (_("mode")),
 205           global_automation_button (_("automation")),
 206
 207           /* <CMT Additions> */
 208           image_socket_listener(0),
 209           /* </CMT Additions> */
 210
 211           /* nudge */
 212
 213           nudge_clock (X_("NudgeClock"), true, true)
 214
 215 {
 216         constructed = false;
 217
 218         /* we are a singleton */
 219
 220         PublicEditor::_instance = this;
 221
 222         session = 0;
 223
 224         selection = new Selection;
 225         cut_buffer = new Selection;
 226
 227         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
 228         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
 229         selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
 230         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
 231
 232         clicked_regionview = 0;
 233         clicked_trackview = 0;
 234         clicked_audio_trackview = 0;
 235         clicked_crossfadeview = 0;
 236         clicked_control_point = 0;
 237         latest_regionview = 0;
 238         last_update_frame = 0;
 239         drag_info.item = 0;
 240         current_mixer_strip = 0;
 241         current_bbt_points = 0;
 242
 243         snap_type_strings = I18N (_snap_type_strings);
 244         snap_mode_strings = I18N (_snap_mode_strings);
 245         zoom_focus_strings = I18N(_zoom_focus_strings);
 246
 247         snap_type = SnapToFrame;
 248         set_snap_to (snap_type);
 249         snap_mode = SnapNormal;
 250         set_snap_mode (snap_mode);
 251         snap_threshold = 5.0;
 252         bbt_beat_subdivision = 4;
 253         canvas_width = 0;
 254         canvas_height = 0;
 255         autoscroll_active = false;
 256         autoscroll_timeout_tag = -1;
 257         interthread_progress_window = 0;
 258
 259 #ifdef FFT_ANALYSIS
 260         analysis_window = 0;
 261 #endif
 262
 263         current_interthread_info = 0;
 264         _show_measures = true;
 265         _show_waveforms = true;
 266         _show_waveforms_recording = true;
 267         first_action_message = 0;
 268         export_dialog = 0;
 269         show_gain_after_trim = false;
 270         ignore_route_list_reorder = false;
 271         no_route_list_redisplay = false;
 272         verbose_cursor_on = true;
 273         route_removal = false;
 274         track_spacing = 0;
 275         show_automatic_regions_in_region_list = true;
 276         region_list_sort_type = (Editing::RegionListSortType) 0;
 277         have_pending_keyboard_selection = false;
 278         _follow_playhead = true;
 279         _xfade_visibility = true;
 280         editor_ruler_menu = 0;
 281         no_ruler_shown_update = false;
 282         edit_group_list_menu = 0;
 283         route_list_menu = 0;
 284         region_list_menu = 0;
 285         marker_menu = 0;
 286         range_marker_menu = 0;
 287         marker_menu_item = 0;
 288         tm_marker_menu = 0;
 289         transport_marker_menu = 0;
 290         new_transport_marker_menu = 0;
 291         editor_mixer_strip_width = Wide;
 292         show_editor_mixer_when_tracks_arrive = false;
 293         repos_zoom_queued = false;
 294         region_edit_menu_split_item = 0;
 295         temp_location = 0;
 296         region_edit_menu_split_multichannel_item = 0;
 297         leftmost_frame = 0;
 298         ignore_mouse_mode_toggle = false;
 299         current_stepping_trackview = 0;
 300         entered_track = 0;
 301         entered_regionview = 0;
 302         clear_entered_track = false;
 303         _new_regionviews_show_envelope = false;
 304         current_timestretch = 0;
 305         in_edit_group_row_change = false;
 306         last_canvas_frame = 0;
 307         edit_cursor = 0;
 308         playhead_cursor = 0;
 309         button_release_can_deselect = true;
 310         canvas_idle_queued = false;
 311
 312         location_marker_color = color_map[cLocationMarker];
 313         location_range_color = color_map[cLocationRange];
 314         location_cd_marker_color = color_map[cLocationCDMarker];
 315         location_loop_color = color_map[cLocationLoop];
 316         location_punch_color = color_map[cLocationPunch];
 317
 318         range_marker_drag_rect = 0;
 319         marker_drag_line = 0;
 320
 321         set_mouse_mode (MouseObject, true);
 322
 323         frames_per_unit = 2048; /* too early to use set_frames_per_unit */
 324         reset_hscrollbar_stepping ();
 325
 326         zoom_focus = ZoomFocusLeft;
 327         set_zoom_focus (ZoomFocusLeft);
 328         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
 329
 330         initialize_rulers ();
 331         initialize_canvas ();
 332
 333         edit_controls_vbox.set_spacing (0);
 334         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::canvas_horizontally_scrolled));
 335         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling));
 336
 337         track_canvas.set_hadjustment (horizontal_adjustment);
 338         track_canvas.set_vadjustment (vertical_adjustment);
 339         time_canvas.set_hadjustment (horizontal_adjustment);
 340
 341         track_canvas.signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
 342         time_canvas.signal_map_event().connect (mem_fun (*this, &Editor::time_canvas_map_handler));
 343
 344         controls_layout.add (edit_controls_vbox);
 345         controls_layout.set_name ("EditControlsBase");
 346         controls_layout.add_events (Gdk::SCROLL_MASK);
 347         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
 348
 349         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 350         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
 351         controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
 352
 353         edit_vscrollbar.set_adjustment (vertical_adjustment);
 354         edit_hscrollbar.set_adjustment (horizontal_adjustment);
 355
 356         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press));
 357         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release));
 358         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
 359
 360         build_cursors ();
 361         setup_toolbar ();
 362
 363         edit_cursor_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_cursor_clock_changed));
 364
 365         time_canvas_vbox.pack_start (*minsec_ruler, false, false);
 366         time_canvas_vbox.pack_start (*smpte_ruler, false, false);
 367         time_canvas_vbox.pack_start (*frames_ruler, false, false);
 368         time_canvas_vbox.pack_start (*bbt_ruler, false, false);
 369         time_canvas_vbox.pack_start (time_canvas, true, true);
 370         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars));
 371
 372         bbt_label.set_name ("EditorTimeButton");
 373         bbt_label.set_size_request (-1, (int)timebar_height);
 374         bbt_label.set_alignment (1.0, 0.5);
 375         bbt_label.set_padding (5,0);
 376         minsec_label.set_name ("EditorTimeButton");
 377         minsec_label.set_size_request (-1, (int)timebar_height);
 378         minsec_label.set_alignment (1.0, 0.5);
 379         minsec_label.set_padding (5,0);
 380         smpte_label.set_name ("EditorTimeButton");
 381         smpte_label.set_size_request (-1, (int)timebar_height);
 382         smpte_label.set_alignment (1.0, 0.5);
 383         smpte_label.set_padding (5,0);
 384         frame_label.set_name ("EditorTimeButton");
 385         frame_label.set_size_request (-1, (int)timebar_height);
 386         frame_label.set_alignment (1.0, 0.5);
 387         frame_label.set_padding (5,0);
 388         tempo_label.set_name ("EditorTimeButton");
 389         tempo_label.set_size_request (-1, (int)timebar_height);
 390         tempo_label.set_alignment (1.0, 0.5);
 391         tempo_label.set_padding (5,0);
 392         meter_label.set_name ("EditorTimeButton");
 393         meter_label.set_size_request (-1, (int)timebar_height);
 394         meter_label.set_alignment (1.0, 0.5);
 395         meter_label.set_padding (5,0);
 396         mark_label.set_name ("EditorTimeButton");
 397         mark_label.set_size_request (-1, (int)timebar_height);
 398         mark_label.set_alignment (1.0, 0.5);
 399         mark_label.set_padding (5,0);
 400         range_mark_label.set_name ("EditorTimeButton");
 401         range_mark_label.set_size_request (-1, (int)timebar_height);
 402         range_mark_label.set_alignment (1.0, 0.5);
 403         range_mark_label.set_padding (5,0);
 404         transport_mark_label.set_name ("EditorTimeButton");
 405         transport_mark_label.set_size_request (-1, (int)timebar_height);
 406         transport_mark_label.set_alignment (1.0, 0.5);
 407         transport_mark_label.set_padding (5,0);
 408
 409         time_button_vbox.pack_start (minsec_label, false, false);
 410         time_button_vbox.pack_start (smpte_label, false, false);
 411         time_button_vbox.pack_start (frame_label, false, false);
 412         time_button_vbox.pack_start (bbt_label, false, false);
 413         time_button_vbox.pack_start (meter_label, false, false);
 414         time_button_vbox.pack_start (tempo_label, false, false);
 415         time_button_vbox.pack_start (mark_label, false, false);
 416
 417         time_button_event_box.add (time_button_vbox);
 418
 419         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 420         time_button_event_box.set_name ("TimebarLabelBase");
 421         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 422
 423         /* these enable us to have a dedicated window (for cursor setting, etc.)
 424            for the canvas areas.
 425         */
 426
 427         track_canvas_event_box.add (track_canvas);
 428
 429         time_canvas_event_box.add (time_canvas_vbox);
 430         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 431
 432         edit_packer.set_col_spacings (0);
 433         edit_packer.set_row_spacings (0);
 434         edit_packer.set_homogeneous (false);
 435         edit_packer.set_border_width (0);
 436         edit_packer.set_name ("EditorWindow");
 437
 438         edit_packer.attach (edit_vscrollbar,         0, 1, 1, 3,    FILL,        FILL|EXPAND, 0, 0);
 439
 440         edit_packer.attach (time_button_event_box,   1, 2, 0, 1,    FILL,        FILL, 0, 0);
 441         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 442
 443         edit_packer.attach (controls_layout,         1, 2, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
 444         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 2,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 445
 446         edit_packer.attach (edit_hscrollbar,         2, 3, 2, 3,    FILL|EXPAND,  FILL, 0, 0);
 447
 448         bottom_hbox.set_border_width (2);
 449         bottom_hbox.set_spacing (3);
 450
 451         route_display_model = ListStore::create(route_display_columns);
 452         route_list_display.set_model (route_display_model);
 453         route_list_display.append_column (_("Visible"), route_display_columns.visible);
 454         route_list_display.append_column (_("Name"), route_display_columns.text);
 455         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 456         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 457         route_list_display.set_headers_visible (true);
 458         route_list_display.set_name ("TrackListDisplay");
 459         route_list_display.get_selection()->set_mode (SELECTION_NONE);
 460         route_list_display.set_reorderable (true);
 461         route_list_display.set_size_request (100,-1);
 462
 463         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
 464         route_list_visible_cell->property_activatable() = true;
 465         route_list_visible_cell->property_radio() = false;
 466
 467         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
 468         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
 469
 470         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
 471
 472         route_list_scroller.add (route_list_display);
 473         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 474
 475         group_model = ListStore::create(group_columns);
 476         edit_group_display.set_model (group_model);
 477         edit_group_display.append_column (_("Name"), group_columns.text);
 478         edit_group_display.append_column (_("Active"), group_columns.is_active);
 479         edit_group_display.append_column (_("Visible"), group_columns.is_visible);
 480         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 481         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 482         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
 483         edit_group_display.get_column (0)->set_expand (true);
 484         edit_group_display.get_column (1)->set_expand (false);
 485         edit_group_display.get_column (2)->set_expand (false);
 486         edit_group_display.set_headers_visible (true);
 487
 488         /* name is directly editable */
 489
 490         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
 491         name_cell->property_editable() = true;
 492         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
 493
 494         /* use checkbox for the active + visible columns */
 495
 496         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 497         active_cell->property_activatable() = true;
 498         active_cell->property_radio() = false;
 499
 500         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 501         active_cell->property_activatable() = true;
 502         active_cell->property_radio() = false;
 503
 504         edit_group_display.set_name ("EditGroupList");
 505
 506         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
 507
 508         edit_group_display.set_name ("EditGroupList");
 509         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
 510         edit_group_display.set_reorderable (false);
 511         edit_group_display.set_rules_hint (true);
 512         edit_group_display.set_size_request (75, -1);
 513
 514         edit_group_display_scroller.add (edit_group_display);
 515         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 516
 517         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
 518
 519         VBox* edit_group_display_packer = manage (new VBox());
 520         HBox* edit_group_display_button_box = manage (new HBox());
 521         edit_group_display_button_box->set_homogeneous (true);
 522
 523         Button* edit_group_add_button = manage (new Button ());
 524         Button* edit_group_remove_button = manage (new Button ());
 525
 526         Widget* w;
 527
 528         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 529         w->show();
 530         edit_group_add_button->add (*w);
 531
 532         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 533         w->show();
 534         edit_group_remove_button->add (*w);
 535
 536         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
 537         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
 538
 539         edit_group_display_button_box->pack_start (*edit_group_add_button);
 540         edit_group_display_button_box->pack_start (*edit_group_remove_button);
 541
 542         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
 543         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
 544
 545         region_list_display.set_size_request (100, -1);
 546         region_list_display.set_name ("RegionListDisplay");
 547
 548         region_list_model = TreeStore::create (region_list_columns);
 549         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
 550         region_list_model->set_sort_column (0, SORT_ASCENDING);
 551
 552         region_list_display.set_model (region_list_model);
 553         region_list_display.append_column (_("Regions"), region_list_columns.name);
 554         region_list_display.set_headers_visible (false);
 555
 556         region_list_display.get_selection()->set_select_function (mem_fun (*this, &Editor::region_list_selection_filter));
 557
 558         TreeViewColumn* tv_col = region_list_display.get_column(0);
 559         CellRendererText* renderer = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
 560         tv_col->add_attribute(renderer->property_text(), region_list_columns.name);
 561         tv_col->add_attribute(renderer->property_foreground_gdk(), region_list_columns.color_);
 562
 563         region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
 564         region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
 565
 566         /* setup DnD handling */
 567
 568         list<TargetEntry> region_list_target_table;
 569
 570         region_list_target_table.push_back (TargetEntry ("text/plain"));
 571         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
 572         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 573
 574         region_list_display.add_drop_targets (region_list_target_table);
 575         region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
 576
 577         region_list_scroller.add (region_list_display);
 578         region_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 579
 580         region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
 581         region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
 582         region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
 583         region_list_display.signal_button_release_event().connect (mem_fun(*this, &Editor::region_list_display_button_release));
 584         region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
 585         // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
 586
 587         named_selection_scroller.add (named_selection_display);
 588         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 589
 590         named_selection_model = TreeStore::create (named_selection_columns);
 591         named_selection_display.set_model (named_selection_model);
 592         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
 593         named_selection_display.set_headers_visible (false);
 594         named_selection_display.set_size_request (100, -1);
 595         named_selection_display.set_name ("RegionListDisplay");
 596
 597         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
 598         named_selection_display.set_size_request (100, -1);
 599         named_selection_display.signal_button_press_event().connect (mem_fun(*this, &Editor::named_selection_display_button_press), false);
 600         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
 601
 602         /* SNAPSHOTS */
 603
 604         snapshot_display_model = ListStore::create (snapshot_display_columns);
 605         snapshot_display.set_model (snapshot_display_model);
 606         snapshot_display.append_column (X_("snapshot"), snapshot_display_columns.visible_name);
 607         snapshot_display.set_name ("SnapshotDisplayList");
 608         snapshot_display.set_size_request (75, -1);
 609         snapshot_display.set_headers_visible (false);
 610         snapshot_display.set_reorderable (false);
 611         snapshot_display_scroller.add (snapshot_display);
 612         snapshot_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 613
 614         snapshot_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::snapshot_display_selection_changed));
 615         snapshot_display.signal_button_press_event().connect (mem_fun (*this, &Editor::snapshot_display_button_press), false);
 616
 617         Gtk::Label* nlabel;
 618
 619         nlabel = manage (new Label (_("Regions")));
 620         nlabel->set_angle (-90);
 621         the_notebook.append_page (region_list_scroller, *nlabel);
 622         nlabel = manage (new Label (_("Tracks/Busses")));
 623         nlabel->set_angle (-90);
 624         the_notebook.append_page (route_list_scroller, *nlabel);
 625         nlabel = manage (new Label (_("Snapshots")));
 626         nlabel->set_angle (-90);
 627         the_notebook.append_page (snapshot_display_scroller, *nlabel);
 628         nlabel = manage (new Label (_("Edit Groups")));
 629         nlabel->set_angle (-90);
 630         the_notebook.append_page (*edit_group_display_packer, *nlabel);
 631         nlabel = manage (new Label (_("Chunks")));
 632         nlabel->set_angle (-90);
 633         the_notebook.append_page (named_selection_scroller, *nlabel);
 634
 635         the_notebook.set_show_tabs (true);
 636         the_notebook.set_scrollable (true);
 637         the_notebook.popup_enable ();
 638         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 639
 640         edit_pane.pack1 (edit_packer, true, true);
 641         edit_pane.pack2 (the_notebook, false, true);
 642
 643         edit_pane.signal_size_allocate().connect (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 644
 645         top_hbox.pack_start (toolbar_frame, true, true);
 646
 647         HBox *hbox = manage (new HBox);
 648         hbox->pack_start (edit_pane, true, true);
 649
 650         global_vpacker.pack_start (top_hbox, false, false);
 651         global_vpacker.pack_start (*hbox, true, true);
 652
 653         global_hpacker.pack_start (global_vpacker, true, true);
 654
 655         set_name ("EditorWindow");
 656         add_accel_group (ActionManager::ui_manager->get_accel_group());
 657
 658         vpacker.pack_end (global_hpacker, true, true);
 659
 660         /* register actions now so that set_state() can find them and set toggles/checks etc */
 661
 662         register_actions ();
 663
 664         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 665         set_state (*node);
 666
 667         _playlist_selector = new PlaylistSelector();
 668         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 669
 670         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
 671
 672         /* nudge stuff */
 673
 674         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 675         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 676
 677         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
 678         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
 679
 680         nudge_forward_button.set_name ("TransportButton");
 681         nudge_backward_button.set_name ("TransportButton");
 682
 683         fade_context_menu.set_name ("ArdourContextMenu");
 684
 685         set_title (_("ardour: editor"));
 686         set_wmclass (_("ardour_editor"), "Ardour");
 687
 688         add (vpacker);
 689         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 690
 691         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 692         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 693
 694         /* allow external control surfaces/protocols to do various things */
 695
 696         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
 697         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
 698         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
 699         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
 700
 701         Config->ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed));
 702
 703         constructed = true;
 704         instant_save ();
 705 }
 706
 707 Editor::~Editor()
 708 {
 709         /* <CMT Additions> */
 710         if(image_socket_listener)
 711         {
 712                 if(image_socket_listener->is_connected())
 713                 {
 714                         image_socket_listener->close_connection() ;
 715                 }
 716
 717                 delete image_socket_listener ;
 718                 image_socket_listener = 0 ;
 719         }
 720         /* </CMT Additions> */
 721 }
 722
 723 void
 724 Editor::add_toplevel_controls (Container& cont)
 725 {
 726         vpacker.pack_start (cont, false, false);
 727         cont.show_all ();
 728 }
 729
 730 void
 731 Editor::catch_vanishing_regionview (RegionView *rv)
 732 {
 733         /* note: the selection will take care of the vanishing
 734            audioregionview by itself.
 735         */
 736
 737         if (clicked_regionview == rv) {
 738                 clicked_regionview = 0;
 739         }
 740
 741         if (entered_regionview == rv) {
 742                 set_entered_regionview (0);
 743         }
 744 }
 745
 746 void
 747 Editor::set_entered_regionview (RegionView* rv)
 748 {
 749         if (rv == entered_regionview) {
 750                 return;
 751         }
 752
 753         if (entered_regionview) {
 754                 entered_regionview->exited ();
 755         }
 756
 757         if ((entered_regionview = rv) != 0) {
 758                 entered_regionview->entered ();
 759         }
 760 }
 761
 762 void
 763 Editor::set_entered_track (TimeAxisView* tav)
 764 {
 765         if (entered_track) {
 766                 entered_track->exited ();
 767         }
 768
 769         if ((entered_track = tav) != 0) {
 770                 entered_track->entered ();
 771         }
 772 }
 773
 774 void
 775 Editor::show_window ()
 776 {
 777         show_all ();
 778         present ();
 779
 780         /* now reset all audio_time_axis heights, because widgets might need
 781            to be re-hidden
 782         */
 783
 784         TimeAxisView *tv;
 785
 786         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 787                 tv = (static_cast<TimeAxisView*>(*i));
 788                 tv->reset_height ();
 789         }
 790 }
 791
 792 void
 793 Editor::tie_vertical_scrolling ()
 794 {
 795         double y1 = vertical_adjustment.get_value();
 796         controls_layout.get_vadjustment()->set_value (y1);
 797         playhead_cursor->set_y_axis(y1);
 798         edit_cursor->set_y_axis(y1);
 799 }
 800
 801 void
 802 Editor::set_frames_per_unit (double fpu)
 803 {
 804         nframes_t frames;
 805
 806         if (fpu == frames_per_unit) {
 807                 return;
 808         }
 809
 810         if (fpu < 2.0) {
 811                 fpu = 2.0;
 812         }
 813
 814         // convert fpu to frame count
 815
 816         frames = (nframes_t) floor (fpu * canvas_width);
 817
 818         /* don't allow zooms that fit more than the maximum number
 819            of frames into an 800 pixel wide space.
 820         */
 821
 822         if (max_frames / fpu < 800.0) {
 823                 return;
 824         }
 825
 826         if (fpu == frames_per_unit) {
 827                 return;
 828         }
 829
 830         frames_per_unit = fpu;
 831
 832         if (frames != zoom_range_clock.current_duration()) {
 833                 zoom_range_clock.set (frames);
 834         }
 835
 836         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
 837                 if (!selection->tracks.empty()) {
 838                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 839                                 (*i)->reshow_selection (selection->time);
 840                         }
 841                 } else {
 842                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 843                                 (*i)->reshow_selection (selection->time);
 844                         }
 845                 }
 846         }
 847
 848         ZoomChanged (); /* EMIT_SIGNAL */
 849
 850         reset_hscrollbar_stepping ();
 851         reset_scrolling_region ();
 852
 853         if (edit_cursor) edit_cursor->set_position (edit_cursor->current_frame);
 854         if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
 855
 856         instant_save ();
 857
 858 }
 859
 860 void
 861 Editor::instant_save ()
 862 {
 863         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 864                 return;
 865         }
 866
 867         if (session) {
 868                 session->add_instant_xml(get_state(), session->path());
 869         } else {
 870                 Config->add_instant_xml(get_state(), get_user_ardour_path());
 871         }
 872 }
 873
 874 void
 875 Editor::reposition_x_origin (nframes_t frame)
 876 {
 877         if (frame != leftmost_frame) {
 878                 leftmost_frame = frame;
 879
 880                 nframes_t rightmost_frame = leftmost_frame + current_page_frames ();
 881
 882                 if (rightmost_frame > last_canvas_frame) {
 883                         last_canvas_frame = rightmost_frame;
 884                         reset_scrolling_region ();
 885                 }
 886
 887                 horizontal_adjustment.set_value (frame/frames_per_unit);
 888         } else {
 889                 update_fixed_rulers();
 890                 tempo_map_changed (Change (0));
 891         }
 892 }
 893
 894 void
 895 Editor::edit_cursor_clock_changed()
 896 {
 897         if (edit_cursor->current_frame != edit_cursor_clock.current_time()) {
 898                 edit_cursor->set_position (edit_cursor_clock.current_time());
 899         }
 900 }
 901
 902
 903 void
 904 Editor::zoom_adjustment_changed ()
 905 {
 906         if (session == 0) {
 907                 return;
 908         }
 909
 910         double fpu = zoom_range_clock.current_duration() / canvas_width;
 911
 912         if (fpu < 1.0) {
 913                 fpu = 1.0;
 914                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
 915         } else if (fpu > session->current_end_frame() / canvas_width) {
 916                 fpu = session->current_end_frame() / canvas_width;
 917                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
 918         }
 919
 920         temporal_zoom (fpu);
 921 }
 922
 923 void
 924 Editor::control_scroll (float fraction)
 925 {
 926         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
 927
 928         if (!session) {
 929                 return;
 930         }
 931
 932         double step = fraction * current_page_frames();
 933         nframes_t target;
 934
 935         if ((fraction < 0.0f) && (session->transport_frame() < (nframes_t) fabs(step))) {
 936                 target = 0;
 937         } else if ((fraction > 0.0f) && (max_frames - session->transport_frame() < step)) {
 938                 target = (max_frames - (current_page_frames()*2)); // allow room for slop in where the PH is on the screen
 939         } else {
 940                 target = (session->transport_frame() + (nframes_t) floor ((fraction * current_page_frames())));
 941         }
 942
 943         /* move visuals, we'll catch up with it later */
 944
 945         playhead_cursor->set_position (target);
 946
 947         if (target > (current_page_frames() / 2)) {
 948                 /* try to center PH in window */
 949                 reposition_x_origin (target - (current_page_frames()/2));
 950         } else {
 951                 reposition_x_origin (0);
 952         }
 953
 954         /* cancel the existing */
 955
 956         control_scroll_connection.disconnect ();
 957
 958         /* add the next one */
 959
 960         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), target), 50);
 961 }
 962
 963 bool
 964 Editor::deferred_control_scroll (nframes_t target)
 965 {
 966         session->request_locate (target);
 967         return false;
 968 }
 969
 970 void
 971 Editor::canvas_horizontally_scrolled ()
 972 {
 973
 974         leftmost_frame = (nframes_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
 975         update_fixed_rulers ();
 976         tempo_map_changed (Change (0));
 977
 978 }
 979
 980 void
 981 Editor::reposition_and_zoom (nframes_t frame, double nfpu)
 982 {
 983         if (!repos_zoom_queued) {
 984                 repos_zoom_queued = true;
 985                 Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::deferred_reposition_and_zoom), frame, nfpu));
 986         }
 987 }
 988
 989 gint
 990 Editor::deferred_reposition_and_zoom (nframes_t frame, double nfpu)
 991 {
 992
 993         set_frames_per_unit (nfpu);
 994         reposition_x_origin  (frame);
 995         repos_zoom_queued = false;
 996
 997         return FALSE;
 998 }
 999
1000 void
1001 Editor::on_realize ()
1002 {
1003         Window::on_realize ();
1004         Realized ();
1005 }
1006
1007 void
1008 Editor::start_scrolling ()
1009 {
1010         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
1011                 (mem_fun(*this, &Editor::update_current_screen));
1012 }
1013
1014 void
1015 Editor::stop_scrolling ()
1016 {
1017         scroll_connection.disconnect ();
1018 }
1019
1020 void
1021 Editor::map_position_change (nframes_t frame)
1022 {
1023         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
1024
1025         if (session == 0 || !_follow_playhead) {
1026                 return;
1027         }
1028
1029         center_screen (frame);
1030         playhead_cursor->set_position (frame);
1031 }
1032
1033 void
1034 Editor::center_screen (nframes_t frame)
1035 {
1036         double page = canvas_width * frames_per_unit;
1037
1038         /* if we're off the page, then scroll.
1039          */
1040
1041         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1042                 center_screen_internal (frame, page);
1043         }
1044 }
1045
1046 void
1047 Editor::center_screen_internal (nframes_t frame, float page)
1048 {
1049         page /= 2;
1050
1051         if (frame > page) {
1052                 frame -= (nframes_t) page;
1053         } else {
1054                 frame = 0;
1055         }
1056
1057     reposition_x_origin (frame);
1058 }
1059
1060 void
1061 Editor::handle_new_duration ()
1062 {
1063         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1064
1065         nframes_t new_end = session->get_maximum_extent() + (nframes_t) floorf (current_page_frames() * 0.10f);
1066
1067         if (new_end > last_canvas_frame) {
1068                 last_canvas_frame = new_end;
1069                 reset_scrolling_region ();
1070         }
1071
1072         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
1073 }
1074
1075 void
1076 Editor::update_title_s (const string & snap_name)
1077 {
1078         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1079
1080         update_title ();
1081 }
1082
1083 void
1084 Editor::update_title ()
1085 {
1086         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1087
1088         if (session) {
1089                 bool dirty = session->dirty();
1090
1091                 string wintitle = _("ardour: editor: ");
1092
1093                 if (dirty) {
1094                         wintitle += '[';
1095                 }
1096
1097                 wintitle += session->name();
1098
1099                 if (session->snap_name() != session->name()) {
1100                         wintitle += ':';
1101                         wintitle += session->snap_name();
1102                 }
1103
1104                 if (dirty) {
1105                         wintitle += ']';
1106                 }
1107
1108                 set_title (wintitle);
1109         }
1110 }
1111
1112 void
1113 Editor::connect_to_session (Session *t)
1114 {
1115         session = t;
1116
1117         if (first_action_message) {
1118                 first_action_message->hide();
1119         }
1120
1121         update_title ();
1122
1123         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1124         session->history().Changed.connect (mem_fun (*this, &Editor::history_changed));
1125
1126         /* These signals can all be emitted by a non-GUI thread. Therefore the
1127            handlers for them must not attempt to directly interact with the GUI,
1128            but use Gtkmm2ext::UI::instance()->call_slot();
1129         */
1130
1131         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1132         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1133         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1134         session_connections.push_back (session->AudioRegionAdded.connect (mem_fun(*this, &Editor::handle_new_audio_region)));
1135         session_connections.push_back (session->AudioRegionRemoved.connect (mem_fun(*this, &Editor::handle_audio_region_removed)));
1136         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1137         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1138         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1139         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1140         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1141         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1142         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1143         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1144         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1145
1146         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1147
1148         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1149
1150         edit_groups_changed ();
1151
1152         edit_cursor_clock.set_session (session);
1153         zoom_range_clock.set_session (session);
1154         _playlist_selector->set_session (session);
1155         nudge_clock.set_session (session);
1156
1157 #ifdef FFT_ANALYSIS
1158         if (analysis_window != 0)
1159                 analysis_window->set_session (session);
1160 #endif
1161
1162         Location* loc = session->locations()->auto_loop_location();
1163         if (loc == 0) {
1164                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1165                 if (loc->start() == loc->end()) {
1166                         loc->set_end (loc->start() + 1);
1167                 }
1168                 session->locations()->add (loc, false);
1169                 session->set_auto_loop_location (loc);
1170         }
1171         else {
1172                 // force name
1173                 loc->set_name (_("Loop"));
1174         }
1175
1176         loc = session->locations()->auto_punch_location();
1177         if (loc == 0) {
1178                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1179                 if (loc->start() == loc->end()) {
1180                         loc->set_end (loc->start() + 1);
1181                 }
1182                 session->locations()->add (loc, false);
1183                 session->set_auto_punch_location (loc);
1184         }
1185         else {
1186                 // force name
1187                 loc->set_name (_("Punch"));
1188         }
1189
1190         Config->map_parameters (mem_fun (*this, &Editor::parameter_changed));
1191
1192         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1193
1194         refresh_location_display ();
1195         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1196         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1197         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1198         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1199         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1200
1201         handle_new_duration ();
1202
1203         redisplay_regions ();
1204         redisplay_named_selections ();
1205         redisplay_snapshots ();
1206
1207         initial_route_list_display ();
1208
1209         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1210                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1211         }
1212
1213         /* ::reposition_x_origin() doesn't work right here, since the old
1214            position may be zero already, and it does nothing in such
1215            circumstances.
1216         */
1217
1218         leftmost_frame = 0;
1219
1220         horizontal_adjustment.set_value (0);
1221
1222         restore_ruler_visibility ();
1223         //tempo_map_changed (Change (0));
1224         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1225
1226         edit_cursor->set_position (0);
1227         playhead_cursor->set_position (0);
1228
1229         start_scrolling ();
1230
1231         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1232         set_state (*node);
1233
1234         /* don't show master bus in a new session */
1235
1236         if (ARDOUR_UI::instance()->session_is_new ()) {
1237
1238                 TreeModel::Children rows = route_display_model->children();
1239                 TreeModel::Children::iterator i;
1240
1241                 no_route_list_redisplay = true;
1242
1243                 for (i = rows.begin(); i != rows.end(); ++i) {
1244                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1245                         AudioTimeAxisView *atv;
1246
1247                         if ((atv = dynamic_cast<AudioTimeAxisView*>(tv)) != 0) {
1248                                 if (atv->route()->master()) {
1249                                         route_list_display.get_selection()->unselect (i);
1250                                 }
1251                         }
1252                 }
1253
1254                 no_route_list_redisplay = false;
1255                 redisplay_route_list ();
1256         }
1257
1258         /* register for undo history */
1259
1260         session->register_with_memento_command_factory(_id, this);
1261 }
1262
1263 void
1264 Editor::build_cursors ()
1265 {
1266         using namespace Gdk;
1267
1268         Gdk::Color mbg ("#000000" ); /* Black */
1269         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1270
1271         {
1272                 RefPtr<Bitmap> source, mask;
1273                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1274                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1275                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1276         }
1277
1278         Gdk::Color fbg ("#ffffff" );
1279         Gdk::Color ffg  ("#000000" );
1280
1281         {
1282                 RefPtr<Bitmap> source, mask;
1283
1284                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1285                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1286                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1287         }
1288
1289         {
1290                 RefPtr<Bitmap> source, mask;
1291                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1292                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1293                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1294         }
1295
1296         grabber_cursor = new Gdk::Cursor (HAND2);
1297         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1298         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1299         selector_cursor = new Gdk::Cursor (XTERM);
1300         time_fx_cursor = new Gdk::Cursor (SIZING);
1301         wait_cursor = new Gdk::Cursor  (WATCH);
1302         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1303 }
1304
1305 void
1306 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1307 {
1308         using namespace Menu_Helpers;
1309         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1310
1311         if (arv == 0) {
1312                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1313                 /*NOTREACHED*/
1314         }
1315
1316         MenuList& items (fade_context_menu.items());
1317
1318         items.clear ();
1319
1320         switch (item_type) {
1321         case FadeInItem:
1322         case FadeInHandleItem:
1323                 if (arv->audio_region()->fade_in_active()) {
1324                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), false)));
1325                 } else {
1326                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_active), true)));
1327                 }
1328
1329                 items.push_back (SeparatorElem());
1330
1331                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::Linear)));
1332                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::LogB)));
1333                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::Fast)));
1334                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::LogA)));
1335                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*arv, &AudioRegionView::set_fade_in_shape), AudioRegion::Slow)));
1336                 break;
1337
1338         case FadeOutItem:
1339         case FadeOutHandleItem:
1340                 if (arv->audio_region()->fade_out_active()) {
1341                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), false)));
1342                 } else {
1343                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_active), true)));
1344                 }
1345
1346                 items.push_back (SeparatorElem());
1347
1348                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::Linear)));
1349                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::Fast)));
1350                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::LogB)));
1351                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::LogA)));
1352                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*arv, &AudioRegionView::set_fade_out_shape), AudioRegion::Slow)));
1353
1354                 break;
1355
1356         default:
1357                 fatal << _("programming error: ")
1358                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1359                       << endmsg;
1360                 /*NOTREACHED*/
1361         }
1362
1363         fade_context_menu.popup (button, time);
1364 }
1365
1366 void
1367 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes_t frame)
1368 {
1369         using namespace Menu_Helpers;
1370         Menu* (Editor::*build_menu_function)(nframes_t);
1371         Menu *menu;
1372
1373         switch (item_type) {
1374         case RegionItem:
1375         case RegionViewName:
1376         case RegionViewNameHighlight:
1377                 if (with_selection) {
1378                         build_menu_function = &Editor::build_track_selection_context_menu;
1379                 } else {
1380                         build_menu_function = &Editor::build_track_region_context_menu;
1381                 }
1382                 break;
1383
1384         case SelectionItem:
1385                 if (with_selection) {
1386                         build_menu_function = &Editor::build_track_selection_context_menu;
1387                 } else {
1388                         build_menu_function = &Editor::build_track_context_menu;
1389                 }
1390                 break;
1391
1392         case CrossfadeViewItem:
1393                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1394                 break;
1395
1396         case StreamItem:
1397                 if (clicked_audio_trackview->get_diskstream()) {
1398                         build_menu_function = &Editor::build_track_context_menu;
1399                 } else {
1400                         build_menu_function = &Editor::build_track_bus_context_menu;
1401                 }
1402                 break;
1403
1404         default:
1405                 /* probably shouldn't happen but if it does, we don't care */
1406                 return;
1407         }
1408
1409         menu = (this->*build_menu_function)(frame);
1410         menu->set_name ("ArdourContextMenu");
1411
1412         /* now handle specific situations */
1413
1414         switch (item_type) {
1415         case RegionItem:
1416         case RegionViewName:
1417         case RegionViewNameHighlight:
1418                 if (!with_selection) {
1419                         if (region_edit_menu_split_item) {
1420                                 if (clicked_regionview && clicked_regionview->region()->covers (edit_cursor->current_frame)) {
1421                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, true);
1422                                 } else {
1423                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, false);
1424                                 }
1425                         }
1426                         /*
1427                         if (region_edit_menu_split_multichannel_item) {
1428                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1429                                         // GTK2FIX find the action, change its sensitivity
1430                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1431                                 } else {
1432                                         // GTK2FIX see above
1433                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1434                                 }
1435                         }*/
1436                 }
1437                 break;
1438
1439         case SelectionItem:
1440                 break;
1441
1442         case CrossfadeViewItem:
1443                 break;
1444
1445         case StreamItem:
1446                 break;
1447
1448         default:
1449                 /* probably shouldn't happen but if it does, we don't care */
1450                 return;
1451         }
1452
1453         if (clicked_audio_trackview && clicked_audio_trackview->audio_track()) {
1454
1455                 /* Bounce to disk */
1456
1457                 using namespace Menu_Helpers;
1458                 MenuList& edit_items  = menu->items();
1459
1460                 edit_items.push_back (SeparatorElem());
1461
1462                 switch (clicked_audio_trackview->audio_track()->freeze_state()) {
1463                 case AudioTrack::NoFreeze:
1464                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1465                         break;
1466
1467                 case AudioTrack::Frozen:
1468                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1469                         break;
1470
1471                 case AudioTrack::UnFrozen:
1472                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1473                         break;
1474                 }
1475
1476         }
1477
1478         menu->popup (button, time);
1479 }
1480
1481 Menu*
1482 Editor::build_track_context_menu (nframes_t ignored)
1483 {
1484         using namespace Menu_Helpers;
1485
1486         MenuList& edit_items = track_context_menu.items();
1487         edit_items.clear();
1488
1489         add_dstream_context_items (edit_items);
1490         return &track_context_menu;
1491 }
1492
1493 Menu*
1494 Editor::build_track_bus_context_menu (nframes_t ignored)
1495 {
1496         using namespace Menu_Helpers;
1497
1498         MenuList& edit_items = track_context_menu.items();
1499         edit_items.clear();
1500
1501         add_bus_context_items (edit_items);
1502         return &track_context_menu;
1503 }
1504
1505 Menu*
1506 Editor::build_track_region_context_menu (nframes_t frame)
1507 {
1508         using namespace Menu_Helpers;
1509         MenuList& edit_items  = track_region_context_menu.items();
1510         edit_items.clear();
1511
1512         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1513
1514         if (atv) {
1515                 boost::shared_ptr<Diskstream> ds;
1516                 Playlist* pl;
1517
1518                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
1519                         Playlist::RegionList* regions = pl->regions_at ((nframes_t) floor ( (double)frame * ds->speed()));
1520                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1521                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1522                         }
1523                         delete regions;
1524                 }
1525         }
1526
1527         add_dstream_context_items (edit_items);
1528
1529         return &track_region_context_menu;
1530 }
1531
1532 Menu*
1533 Editor::build_track_crossfade_context_menu (nframes_t frame)
1534 {
1535         using namespace Menu_Helpers;
1536         MenuList& edit_items  = track_crossfade_context_menu.items();
1537         edit_items.clear ();
1538
1539         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_trackview);
1540
1541         if (atv) {
1542                 boost::shared_ptr<Diskstream> ds;
1543                 Playlist* pl;
1544                 AudioPlaylist* apl;
1545
1546                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = dynamic_cast<AudioPlaylist*> (pl)) != 0)) {
1547
1548                         Playlist::RegionList* regions = pl->regions_at (frame);
1549                         AudioPlaylist::Crossfades xfades;
1550
1551                         apl->crossfades_at (frame, xfades);
1552
1553                         bool many = xfades.size() > 1;
1554
1555                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1556                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1557                         }
1558
1559                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1560                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1561                         }
1562
1563                         delete regions;
1564                 }
1565         }
1566
1567         add_dstream_context_items (edit_items);
1568
1569         return &track_crossfade_context_menu;
1570 }
1571
1572 #ifdef FFT_ANALYSIS
1573 void
1574 Editor::analyze_region_selection()
1575 {
1576         if (analysis_window == 0) {
1577                 analysis_window = new AnalysisWindow();
1578
1579                 if (session != 0)
1580                         analysis_window->set_session(session);
1581
1582                 analysis_window->show_all();
1583         }
1584
1585         analysis_window->set_regionmode();
1586         analysis_window->analyze();
1587
1588         analysis_window->present();
1589 }
1590
1591 void
1592 Editor::analyze_range_selection()
1593 {
1594         if (analysis_window == 0) {
1595                 analysis_window = new AnalysisWindow();
1596
1597                 if (session != 0)
1598                         analysis_window->set_session(session);
1599
1600                 analysis_window->show_all();
1601         }
1602
1603         analysis_window->set_rangemode();
1604         analysis_window->analyze();
1605
1606         analysis_window->present();
1607 }
1608 #endif /* FFT_ANALYSIS */
1609
1610
1611
1612 Menu*
1613 Editor::build_track_selection_context_menu (nframes_t ignored)
1614 {
1615         using namespace Menu_Helpers;
1616         MenuList& edit_items  = track_selection_context_menu.items();
1617         edit_items.clear ();
1618
1619         add_selection_context_items (edit_items);
1620         add_dstream_context_items (edit_items);
1621
1622         return &track_selection_context_menu;
1623 }
1624
1625 void
1626 Editor::add_crossfade_context_items (AudioStreamView* view, Crossfade* xfade, Menu_Helpers::MenuList& edit_items, bool many)
1627 {
1628         using namespace Menu_Helpers;
1629         Menu     *xfade_menu = manage (new Menu);
1630         MenuList& items       = xfade_menu->items();
1631         xfade_menu->set_name ("ArdourContextMenu");
1632         string str;
1633
1634         if (xfade->active()) {
1635                 str = _("Mute");
1636         } else {
1637                 str = _("Unmute");
1638         }
1639
1640         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), xfade)));
1641         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), xfade)));
1642
1643         if (xfade->can_follow_overlap()) {
1644
1645                 if (xfade->following_overlap()) {
1646                         str = _("Convert to short");
1647                 } else {
1648                         str = _("Convert to full");
1649                 }
1650
1651                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1652         }
1653
1654         if (many) {
1655                 str = xfade->out()->name();
1656                 str += "->";
1657                 str += xfade->in()->name();
1658         } else {
1659                 str = _("Crossfade");
1660         }
1661
1662         edit_items.push_back (MenuElem (str, *xfade_menu));
1663         edit_items.push_back (SeparatorElem());
1664 }
1665
1666 void
1667 Editor::xfade_edit_left_region ()
1668 {
1669         if (clicked_crossfadeview) {
1670                 clicked_crossfadeview->left_view.show_region_editor ();
1671         }
1672 }
1673
1674 void
1675 Editor::xfade_edit_right_region ()
1676 {
1677         if (clicked_crossfadeview) {
1678                 clicked_crossfadeview->right_view.show_region_editor ();
1679         }
1680 }
1681
1682 void
1683 Editor::add_region_context_items (AudioStreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1684 {
1685         using namespace Menu_Helpers;
1686         Menu     *region_menu = manage (new Menu);
1687         MenuList& items       = region_menu->items();
1688         region_menu->set_name ("ArdourContextMenu");
1689
1690         boost::shared_ptr<AudioRegion> ar;
1691
1692         if (region) {
1693                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1694         }
1695
1696         /* when this particular menu pops up, make the relevant region
1697            become selected.
1698         */
1699
1700         // region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1701
1702         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1703         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1704         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1705         items.push_back (SeparatorElem());
1706         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_cursor)));
1707         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1708         items.push_back (SeparatorElem());
1709
1710         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::audition_selected_region)));
1711         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1712         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1713
1714 #ifdef FFT_ANALYSIS
1715         items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
1716 #endif
1717
1718         items.push_back (SeparatorElem());
1719
1720         items.push_back (CheckMenuElem (_("Lock"), mem_fun(*this, &Editor::toggle_region_lock)));
1721         region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1722         if (region->locked()) {
1723                 region_lock_item->set_active();
1724         }
1725         items.push_back (CheckMenuElem (_("Mute"), mem_fun(*this, &Editor::toggle_region_mute)));
1726         region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1727         if (region->muted()) {
1728                 region_mute_item->set_active();
1729         }
1730         items.push_back (CheckMenuElem (_("Opaque"), mem_fun(*this, &Editor::toggle_region_opaque)));
1731         region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1732         if (region->opaque()) {
1733                 region_opaque_item->set_active();
1734         }
1735
1736         items.push_back (CheckMenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1737         if (region->at_natural_position()) {
1738                 items.back().set_sensitive (false);
1739         }
1740
1741         items.push_back (SeparatorElem());
1742
1743         if (ar) {
1744
1745                 RegionView* rv = sv->find_view (ar);
1746                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1747
1748                 items.push_back (CheckMenuElem (_("Envelope visible"), mem_fun(*this, &Editor::toggle_gain_envelope_visibility)));
1749                 region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1750
1751                 if (arv->envelope_visible()) {
1752                         region_envelope_visible_item->set_active (true);
1753                 }
1754
1755                 items.push_back (CheckMenuElem (_("Envelope active"), mem_fun(*this, &Editor::toggle_gain_envelope_active)));
1756                 region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1757
1758                 if (ar->envelope_active()) {
1759                         region_envelope_active_item->set_active (true);
1760                 }
1761
1762                 items.push_back (SeparatorElem());
1763
1764                 if (ar->scale_amplitude() != 1.0f) {
1765                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1766                 } else {
1767                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1768                 }
1769         }
1770         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1771         items.push_back (SeparatorElem());
1772
1773
1774         /* range related stuff */
1775
1776         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1777         items.push_back (MenuElem (_("Set Range"), mem_fun (*this, &Editor::set_selection_from_audio_region)));
1778         items.push_back (SeparatorElem());
1779
1780         /* Nudge region */
1781
1782         Menu *nudge_menu = manage (new Menu());
1783         MenuList& nudge_items = nudge_menu->items();
1784         nudge_menu->set_name ("ArdourContextMenu");
1785
1786         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false))));
1787         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false))));
1788         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1789         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1790
1791         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1792         items.push_back (SeparatorElem());
1793
1794         Menu *trim_menu = manage (new Menu);
1795         MenuList& trim_items = trim_menu->items();
1796         trim_menu->set_name ("ArdourContextMenu");
1797
1798         trim_items.push_back (MenuElem (_("Start to edit cursor"), mem_fun(*this, &Editor::trim_region_from_edit_cursor)));
1799         trim_items.push_back (MenuElem (_("Edit cursor to end"), mem_fun(*this, &Editor::trim_region_to_edit_cursor)));
1800
1801         items.push_back (MenuElem (_("Trim"), *trim_menu));
1802         items.push_back (SeparatorElem());
1803
1804         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1805         region_edit_menu_split_item = &items.back();
1806
1807         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1808         region_edit_menu_split_multichannel_item = &items.back();
1809
1810         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1811         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1812         items.push_back (SeparatorElem());
1813         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
1814
1815         /* OK, stick the region submenu at the top of the list, and then add
1816            the standard items.
1817         */
1818
1819         /* we have to hack up the region name because "_" has a special
1820            meaning for menu titles.
1821         */
1822
1823         string::size_type pos = 0;
1824         string menu_item_name = region->name();
1825
1826         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1827                 menu_item_name.replace (pos, 1, "__");
1828                 pos += 2;
1829         }
1830
1831         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1832         edit_items.push_back (SeparatorElem());
1833 }
1834
1835 void
1836 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1837 {
1838         using namespace Menu_Helpers;
1839         Menu     *selection_menu = manage (new Menu);
1840         MenuList& items       = selection_menu->items();
1841         selection_menu->set_name ("ArdourContextMenu");
1842
1843         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1844         items.push_back (MenuElem (_("Loop range"), mem_fun(*this, &Editor::set_route_loop_selection)));
1845
1846 #ifdef FFT_ANALYSIS
1847         items.push_back (SeparatorElem());
1848         items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
1849 #endif
1850
1851         items.push_back (SeparatorElem());
1852         items.push_back (MenuElem (_("Separate range to track"), mem_fun(*this, &Editor::separate_region_from_selection)));
1853         items.push_back (MenuElem (_("Separate range to region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1854
1855         items.push_back (SeparatorElem());
1856         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1857         items.push_back (SeparatorElem());
1858         items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1859         items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1860         items.push_back (SeparatorElem());
1861         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1862         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1863         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1864         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::name_selection)));
1865         items.push_back (SeparatorElem());
1866         items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
1867         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
1868
1869         edit_items.push_back (MenuElem (_("Range"), *selection_menu));
1870         edit_items.push_back (SeparatorElem());
1871 }
1872
1873 void
1874 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1875 {
1876         using namespace Menu_Helpers;
1877
1878         /* Playback */
1879
1880         Menu *play_menu = manage (new Menu);
1881         MenuList& play_items = play_menu->items();
1882         play_menu->set_name ("ArdourContextMenu");
1883
1884         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1885         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1886         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1887         play_items.push_back (SeparatorElem());
1888         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1889
1890         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1891
1892         /* Selection */
1893
1894         Menu *select_menu = manage (new Menu);
1895         MenuList& select_items = select_menu->items();
1896         select_menu->set_name ("ArdourContextMenu");
1897
1898         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1899         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1900         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1901         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1902         select_items.push_back (SeparatorElem());
1903         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1904         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1905         select_items.push_back (SeparatorElem());
1906         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1907         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1908         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1909         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1910         select_items.push_back (MenuElem (_("Select all between cursors"), bind (mem_fun(*this, &Editor::select_all_selectables_between_cursors), playhead_cursor, edit_cursor)));
1911         select_items.push_back (SeparatorElem());
1912
1913         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1914
1915         /* Cut-n-Paste */
1916
1917         Menu *cutnpaste_menu = manage (new Menu);
1918         MenuList& cutnpaste_items = cutnpaste_menu->items();
1919         cutnpaste_menu->set_name ("ArdourContextMenu");
1920
1921         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1922         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1923         cutnpaste_items.push_back (MenuElem (_("Paste at edit cursor"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1924         cutnpaste_items.push_back (MenuElem (_("Paste at mouse"), mem_fun(*this, &Editor::mouse_paste)));
1925
1926         cutnpaste_items.push_back (SeparatorElem());
1927
1928         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
1929         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
1930
1931         cutnpaste_items.push_back (SeparatorElem());
1932
1933         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
1934
1935         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1936
1937         /* Adding new material */
1938
1939         edit_items.push_back (SeparatorElem());
1940         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1941         edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1942
1943         /* Nudge track */
1944
1945         Menu *nudge_menu = manage (new Menu());
1946         MenuList& nudge_items = nudge_menu->items();
1947         nudge_menu->set_name ("ArdourContextMenu");
1948
1949         edit_items.push_back (SeparatorElem());
1950         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
1951         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
1952         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
1953         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
1954
1955         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1956 }
1957
1958 void
1959 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
1960 {
1961         using namespace Menu_Helpers;
1962
1963         /* Playback */
1964
1965         Menu *play_menu = manage (new Menu);
1966         MenuList& play_items = play_menu->items();
1967         play_menu->set_name ("ArdourContextMenu");
1968
1969         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1970         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1971         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1972
1973         /* Selection */
1974
1975         Menu *select_menu = manage (new Menu);
1976         MenuList& select_items = select_menu->items();
1977         select_menu->set_name ("ArdourContextMenu");
1978
1979         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1980         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1981         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1982         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1983         select_items.push_back (SeparatorElem());
1984         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1985         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1986         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1987         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1988
1989         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1990
1991         /* Cut-n-Paste */
1992
1993         Menu *cutnpaste_menu = manage (new Menu);
1994         MenuList& cutnpaste_items = cutnpaste_menu->items();
1995         cutnpaste_menu->set_name ("ArdourContextMenu");
1996
1997         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1998         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1999         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2000
2001         Menu *nudge_menu = manage (new Menu());
2002         MenuList& nudge_items = nudge_menu->items();
2003         nudge_menu->set_name ("ArdourContextMenu");
2004
2005         edit_items.push_back (SeparatorElem());
2006         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2007         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2008         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2009         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2010
2011         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2012 }
2013
2014 /* CURSOR SETTING AND MARKS AND STUFF */
2015
2016 void
2017 Editor::set_snap_to (SnapType st)
2018 {
2019         snap_type = st;
2020         string str = snap_type_strings[(int) st];
2021
2022         if (str != snap_type_selector.get_active_text()) {
2023                 snap_type_selector.set_active_text (str);
2024         }
2025
2026         instant_save ();
2027
2028         switch (snap_type) {
2029         case SnapToAThirtysecondBeat:
2030         case SnapToASixteenthBeat:
2031         case SnapToAEighthBeat:
2032         case SnapToAQuarterBeat:
2033         case SnapToAThirdBeat:
2034                 update_tempo_based_rulers ();
2035         default:
2036                 /* relax */
2037                 break;
2038     }
2039 }
2040
2041 void
2042 Editor::set_snap_mode (SnapMode mode)
2043 {
2044         snap_mode = mode;
2045         string str = snap_mode_strings[(int)mode];
2046
2047         if (str != snap_mode_selector.get_active_text ()) {
2048                 snap_mode_selector.set_active_text (str);
2049         }
2050
2051         instant_save ();
2052 }
2053
2054 int
2055 Editor::set_state (const XMLNode& node)
2056 {
2057         const XMLProperty* prop;
2058         XMLNode* geometry;
2059         int x, y, xoff, yoff;
2060         Gdk::Geometry g;
2061
2062         if ((prop = node.property ("id")) != 0) {
2063                 _id = prop->value ();
2064         }
2065
2066         if ((geometry = find_named_node (node, "geometry")) == 0) {
2067
2068                 g.base_width = default_width;
2069                 g.base_height = default_height;
2070                 x = 1;
2071                 y = 1;
2072                 xoff = 0;
2073                 yoff = 21;
2074
2075         } else {
2076
2077                 g.base_width = atoi(geometry->property("x_size")->value());
2078                 g.base_height = atoi(geometry->property("y_size")->value());
2079                 x = atoi(geometry->property("x_pos")->value());
2080                 y = atoi(geometry->property("y_pos")->value());
2081                 xoff = atoi(geometry->property("x_off")->value());
2082                 yoff = atoi(geometry->property("y_off")->value());
2083         }
2084
2085         set_default_size (g.base_width, g.base_height);
2086         move (x, y);
2087
2088         if ((prop = node.property ("zoom-focus"))) {
2089                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2090         }
2091
2092         if ((prop = node.property ("zoom"))) {
2093                 set_frames_per_unit (PBD::atof (prop->value()));
2094         }
2095
2096         if ((prop = node.property ("snap-to"))) {
2097                 set_snap_to ((SnapType) atoi (prop->value()));
2098         }
2099
2100         if ((prop = node.property ("snap-mode"))) {
2101                 set_snap_mode ((SnapMode) atoi (prop->value()));
2102         }
2103
2104         if ((prop = node.property ("mouse-mode"))) {
2105                 MouseMode m = str2mousemode(prop->value());
2106                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2107                 set_mouse_mode (m, true);
2108         } else {
2109                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2110                 set_mouse_mode (MouseObject, true);
2111         }
2112
2113         if ((prop = node.property ("show-waveforms"))) {
2114                 bool yn = (prop->value() == "yes");
2115                 _show_waveforms = !yn;
2116                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
2117                 if (act) {
2118                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2119                         /* do it twice to force the change */
2120                         tact->set_active (!yn);
2121                         tact->set_active (yn);
2122                 }
2123         }
2124
2125         if ((prop = node.property ("show-waveforms-recording"))) {
2126                 bool yn = (prop->value() == "yes");
2127                 _show_waveforms_recording = !yn;
2128                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2129                 if (act) {
2130                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2131                         /* do it twice to force the change */
2132                         tact->set_active (!yn);
2133                         tact->set_active (yn);
2134                 }
2135         }
2136
2137         if ((prop = node.property ("show-measures"))) {
2138                 bool yn = (prop->value() == "yes");
2139                 _show_measures = !yn;
2140                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2141                 if (act) {
2142                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2143                         /* do it twice to force the change */
2144                         tact->set_active (!yn);
2145                         tact->set_active (yn);
2146                 }
2147         }
2148
2149         if ((prop = node.property ("follow-playhead"))) {
2150                 bool yn = (prop->value() == "yes");
2151                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2152                 if (act) {
2153                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2154                         /* do it twice to force the change */
2155                         tact->set_active (!yn);
2156                         tact->set_active (yn);
2157                 }
2158         }
2159
2160
2161         if ((prop = node.property ("region-list-sort-type"))) {
2162                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change
2163                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2164         }
2165
2166         if ((prop = node.property ("xfades-visible"))) {
2167                 bool yn = (prop->value() == "yes");
2168                 _xfade_visibility = !yn;
2169                 // set_xfade_visibility (yn);
2170         }
2171
2172         if ((prop = node.property ("show-editor-mixer"))) {
2173
2174                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2175                 if (act) {
2176
2177                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2178                         bool yn = (prop->value() == X_("yes"));
2179
2180                         /* do it twice to force the change */
2181
2182                         tact->set_active (!yn);
2183                         tact->set_active (yn);
2184                 }
2185         }
2186
2187
2188         return 0;
2189 }
2190
2191 XMLNode&
2192 Editor::get_state ()
2193 {
2194         XMLNode* node = new XMLNode ("Editor");
2195         char buf[32];
2196
2197         _id.print (buf, sizeof (buf));
2198         node->add_property ("id", buf);
2199
2200         if (is_realized()) {
2201                 Glib::RefPtr<Gdk::Window> win = get_window();
2202
2203                 int x, y, xoff, yoff, width, height;
2204                 win->get_root_origin(x, y);
2205                 win->get_position(xoff, yoff);
2206                 win->get_size(width, height);
2207
2208                 XMLNode* geometry = new XMLNode ("geometry");
2209
2210                 snprintf(buf, sizeof(buf), "%d", width);
2211                 geometry->add_property("x_size", string(buf));
2212                 snprintf(buf, sizeof(buf), "%d", height);
2213                 geometry->add_property("y_size", string(buf));
2214                 snprintf(buf, sizeof(buf), "%d", x);
2215                 geometry->add_property("x_pos", string(buf));
2216                 snprintf(buf, sizeof(buf), "%d", y);
2217                 geometry->add_property("y_pos", string(buf));
2218                 snprintf(buf, sizeof(buf), "%d", xoff);
2219                 geometry->add_property("x_off", string(buf));
2220                 snprintf(buf, sizeof(buf), "%d", yoff);
2221                 geometry->add_property("y_off", string(buf));
2222                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2223                 geometry->add_property("edit_pane_pos", string(buf));
2224
2225                 node->add_child_nocopy (*geometry);
2226         }
2227
2228         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2229         node->add_property ("zoom-focus", buf);
2230         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2231         node->add_property ("zoom", buf);
2232         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2233         node->add_property ("snap-to", buf);
2234         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2235         node->add_property ("snap-mode", buf);
2236
2237         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2238         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2239         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2240         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2241         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2242         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2243         node->add_property ("mouse-mode", enum2str(mouse_mode));
2244
2245         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2246         if (act) {
2247                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2248                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2249         }
2250
2251         return *node;
2252 }
2253
2254
2255
2256 TimeAxisView *
2257 Editor::trackview_by_y_position (double y)
2258 {
2259         TrackViewList::iterator iter;
2260         TimeAxisView *tv;
2261
2262         for (iter = track_views.begin(); iter != track_views.end(); ++iter) {
2263
2264                 tv = *iter;
2265
2266                 if (tv->hidden()) {
2267                         continue;
2268                 }
2269
2270                 if (tv->y_position <= y && y < ((tv->y_position + tv->height + track_spacing))) {
2271                         return tv;
2272                 }
2273         }
2274
2275         return 0;
2276 }
2277
2278 void
2279 Editor::snap_to (nframes_t& start, int32_t direction, bool for_mark)
2280 {
2281         Location* before = 0;
2282         Location* after = 0;
2283
2284         if (!session) {
2285                 return;
2286         }
2287
2288         const nframes_t one_second = session->frame_rate();
2289         const nframes_t one_minute = session->frame_rate() * 60;
2290
2291         nframes_t presnap = start;
2292
2293         switch (snap_type) {
2294         case SnapToFrame:
2295                 break;
2296
2297         case SnapToCDFrame:
2298                 if (direction) {
2299                         start = (nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2300                 } else {
2301                         start = (nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2302                 }
2303                 break;
2304         case SnapToSMPTEFrame:
2305                 if (direction) {
2306                         start = (nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2307                 } else {
2308                         start = (nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2309                 }
2310                 break;
2311
2312         case SnapToSMPTESeconds:
2313                 if (session->smpte_offset_negative())
2314                 {
2315                         start += session->smpte_offset ();
2316                 } else {
2317                         start -= session->smpte_offset ();
2318                 }
2319                 if (direction > 0) {
2320                         start = (nframes_t) ceil ((double) start / one_second) * one_second;
2321                 } else {
2322                         start = (nframes_t) floor ((double) start / one_second) * one_second;
2323                 }
2324
2325                 if (session->smpte_offset_negative())
2326                 {
2327                         start -= session->smpte_offset ();
2328                 } else {
2329                         start += session->smpte_offset ();
2330                 }
2331                 break;
2332
2333         case SnapToSMPTEMinutes:
2334                 if (session->smpte_offset_negative())
2335                 {
2336                         start += session->smpte_offset ();
2337                 } else {
2338                         start -= session->smpte_offset ();
2339                 }
2340                 if (direction) {
2341                         start = (nframes_t) ceil ((double) start / one_minute) * one_minute;
2342                 } else {
2343                         start = (nframes_t) floor ((double) start / one_minute) * one_minute;
2344                 }
2345                 if (session->smpte_offset_negative())
2346                 {
2347                         start -= session->smpte_offset ();
2348                 } else {
2349                         start += session->smpte_offset ();
2350                 }
2351                 break;
2352
2353         case SnapToSeconds:
2354                 if (direction) {
2355                         start = (nframes_t) ceil ((double) start / one_second) * one_second;
2356                 } else {
2357                         start = (nframes_t) floor ((double) start / one_second) * one_second;
2358                 }
2359                 break;
2360
2361         case SnapToMinutes:
2362                 if (direction) {
2363                         start = (nframes_t) ceil ((double) start / one_minute) * one_minute;
2364                 } else {
2365                         start = (nframes_t) floor ((double) start / one_minute) * one_minute;
2366                 }
2367                 break;
2368
2369         case SnapToBar:
2370                 start = session->tempo_map().round_to_bar (start, direction);
2371                 break;
2372
2373         case SnapToBeat:
2374                 start = session->tempo_map().round_to_beat (start, direction);
2375                 break;
2376
2377         case SnapToAThirtysecondBeat:
2378                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2379                 break;
2380
2381         case SnapToASixteenthBeat:
2382                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2383                 break;
2384
2385         case SnapToAEighthBeat:
2386                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2387                 break;
2388
2389         case SnapToAQuarterBeat:
2390                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2391                 break;
2392
2393         case SnapToAThirdBeat:
2394                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2395                 break;
2396
2397         case SnapToEditCursor:
2398                 start = edit_cursor->current_frame;
2399                 break;
2400
2401         case SnapToMark:
2402                 if (for_mark) {
2403                         return;
2404                 }
2405
2406                 before = session->locations()->first_location_before (start);
2407                 after = session->locations()->first_location_after (start);
2408
2409                 if (direction < 0) {
2410                         if (before) {
2411                                 start = before->start();
2412                         } else {
2413                                 start = 0;
2414                         }
2415                 } else if (direction > 0) {
2416                         if (after) {
2417                                 start = after->start();
2418                         } else {
2419                                 start = session->current_end_frame();
2420                         }
2421                 } else {
2422                         if (before) {
2423                                 if (after) {
2424                                         /* find nearest of the two */
2425                                         if ((start - before->start()) < (after->start() - start)) {
2426                                                 start = before->start();
2427                                         } else {
2428                                                 start = after->start();
2429                                         }
2430                                 } else {
2431                                         start = before->start();
2432                                 }
2433                         } else if (after) {
2434                                 start = after->start();
2435                         } else {
2436                                 /* relax */
2437                         }
2438                 }
2439                 break;
2440
2441         case SnapToRegionStart:
2442         case SnapToRegionEnd:
2443         case SnapToRegionSync:
2444         case SnapToRegionBoundary:
2445                 if (!region_boundary_cache.empty()) {
2446                         vector<nframes_t>::iterator i;
2447
2448                         if (direction > 0) {
2449                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2450                         } else {
2451                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2452                         }
2453
2454                         if (i != region_boundary_cache.end()) {
2455                                 start = *i;
2456                         } else {
2457                                 start = region_boundary_cache.back();
2458                         }
2459                 }
2460                 break;
2461         }
2462
2463         switch (snap_mode) {
2464         case SnapNormal:
2465                 return;
2466
2467         case SnapMagnetic:
2468
2469                 if (presnap > start) {
2470                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2471                                 start = presnap;
2472                         }
2473
2474                 } else if (presnap < start) {
2475                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2476                                 start = presnap;
2477                         }
2478                 }
2479
2480         default:
2481                 return;
2482
2483         }
2484 }
2485
2486 void
2487 Editor::setup_toolbar ()
2488 {
2489         string pixmap_path;
2490
2491         const guint32 FUDGE = 18; // Combo's are stupid - they steal space from the entry for the button
2492
2493
2494         /* Mode Buttons (tool selection) */
2495
2496         vector<ToggleButton *> mouse_mode_buttons;
2497
2498         mouse_move_button.add (*(manage (new Image (::get_icon("tool_object")))));
2499         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2500         mouse_mode_buttons.push_back (&mouse_move_button);
2501         mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2502         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2503         mouse_mode_buttons.push_back (&mouse_select_button);
2504         mouse_gain_button.add (*(manage (new Image (::get_icon("tool_gain")))));
2505         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2506         mouse_mode_buttons.push_back (&mouse_gain_button);
2507         mouse_zoom_button.add (*(manage (new Image (::get_icon("tool_zoom")))));
2508         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2509         mouse_mode_buttons.push_back (&mouse_zoom_button);
2510         mouse_timefx_button.add (*(manage (new Image (::get_icon("tool_stretch")))));
2511         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2512         mouse_mode_buttons.push_back (&mouse_timefx_button);
2513         mouse_audition_button.add (*(manage (new Image (::get_icon("tool_audition")))));
2514         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2515         mouse_mode_buttons.push_back (&mouse_audition_button);
2516
2517         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2518
2519         HBox* mode_box = manage(new HBox);
2520         mode_box->set_border_width (2);
2521         mode_box->set_spacing(4);
2522         mouse_mode_button_box.set_spacing(1);
2523         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2524         mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2525         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2526         mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2527         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2528         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2529         mouse_mode_button_box.set_homogeneous(true);
2530
2531         vector<string> edit_mode_strings;
2532         edit_mode_strings.push_back (edit_mode_to_string (Splice));
2533         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2534
2535         edit_mode_selector.set_name ("EditModeSelector");
2536         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, longest (edit_mode_strings).c_str(), 2+FUDGE, 10);
2537         set_popdown_strings (edit_mode_selector, edit_mode_strings);
2538         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2539
2540         mode_box->pack_start(edit_mode_selector);
2541         mode_box->pack_start(mouse_mode_button_box);
2542
2543         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2544         mouse_mode_tearoff->set_name ("MouseModeBase");
2545
2546         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2547                                                   &mouse_mode_tearoff->tearoff_window()));
2548         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2549                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2550         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2551                                                   &mouse_mode_tearoff->tearoff_window()));
2552         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2553                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2554
2555         mouse_move_button.set_name ("MouseModeButton");
2556         mouse_select_button.set_name ("MouseModeButton");
2557         mouse_gain_button.set_name ("MouseModeButton");
2558         mouse_zoom_button.set_name ("MouseModeButton");
2559         mouse_timefx_button.set_name ("MouseModeButton");
2560         mouse_audition_button.set_name ("MouseModeButton");
2561
2562         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
2563         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
2564         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
2565         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
2566         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2567         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2568
2569         mouse_move_button.unset_flags (CAN_FOCUS);
2570         mouse_select_button.unset_flags (CAN_FOCUS);
2571         mouse_gain_button.unset_flags (CAN_FOCUS);
2572         mouse_zoom_button.unset_flags (CAN_FOCUS);
2573         mouse_timefx_button.unset_flags (CAN_FOCUS);
2574         mouse_audition_button.unset_flags (CAN_FOCUS);
2575
2576         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2577         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2578
2579         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2580         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2581         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2582         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2583         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2584
2585         // mouse_move_button.set_active (true);
2586
2587
2588         /* Zoom */
2589
2590         zoom_box.set_spacing (1);
2591         zoom_box.set_border_width (2);
2592
2593         zoom_in_button.set_name ("EditorTimeButton");
2594         zoom_in_button.add (*(manage (new Image (::get_icon("zoom_in")))));
2595         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2596         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2597
2598         zoom_out_button.set_name ("EditorTimeButton");
2599         zoom_out_button.add (*(manage (new Image (::get_icon("zoom_out")))));
2600         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2601         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2602
2603         zoom_out_full_button.set_name ("EditorTimeButton");
2604         zoom_out_full_button.add (*(manage (new Image (::get_icon("zoom_full")))));
2605         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2606         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2607
2608         zoom_box.pack_start (zoom_out_button, false, false);
2609         zoom_box.pack_start (zoom_in_button, false, false);
2610         zoom_box.pack_start (zoom_range_clock, false, false);
2611         zoom_box.pack_start (zoom_out_full_button, false, false);
2612
2613         ARDOUR_UI::instance()->tooltips().set_tip (zoom_range_clock, _("Current Zoom Range\n(Width of visible area)"));
2614
2615         zoom_focus_selector.set_name ("ZoomFocusSelector");
2616         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, "Focus Center", 2+FUDGE, 0);
2617         set_popdown_strings (zoom_focus_selector, zoom_focus_strings);
2618         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2619         ARDOUR_UI::instance()->tooltips().set_tip (zoom_focus_selector, _("Zoom focus"));
2620
2621         zoom_box.pack_start (zoom_focus_selector, false, false);
2622
2623
2624         /* Edit Cursor / Snap */
2625
2626         snap_box.set_spacing (1);
2627         snap_box.set_border_width (2);
2628
2629         snap_type_selector.set_name ("SnapTypeSelector");
2630         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, "SMPTE Seconds", 2+FUDGE, 10);
2631         set_popdown_strings (snap_type_selector, snap_type_strings);
2632         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2633         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Unit to snap cursors and ranges to"));
2634
2635         snap_mode_selector.set_name ("SnapModeSelector");
2636         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, "Magnetic Snap", 2+FUDGE, 10);
2637         set_popdown_strings (snap_mode_selector, snap_mode_strings);
2638         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2639
2640         snap_box.pack_start (edit_cursor_clock, false, false);
2641         snap_box.pack_start (snap_mode_selector, false, false);
2642         snap_box.pack_start (snap_type_selector, false, false);
2643
2644
2645         /* Nudge */
2646
2647         HBox *nudge_box = manage (new HBox);
2648         nudge_box->set_spacing(1);
2649         nudge_box->set_border_width (2);
2650
2651         nudge_forward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_forward), false));
2652         nudge_backward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_backward), false));
2653
2654         nudge_box->pack_start (nudge_backward_button, false, false);
2655         nudge_box->pack_start (nudge_forward_button, false, false);
2656         nudge_box->pack_start (nudge_clock, false, false);
2657
2658
2659         /* Pack everything in... */
2660
2661         HBox* hbox = new HBox;
2662         hbox->set_spacing(10);
2663
2664         tools_tearoff = new TearOff (*hbox);
2665         tools_tearoff->set_name ("MouseModeBase");
2666
2667         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2668                                              &tools_tearoff->tearoff_window()));
2669         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2670                                              &tools_tearoff->tearoff_window(), 0));
2671         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2672                                              &tools_tearoff->tearoff_window()));
2673         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2674                                               &tools_tearoff->tearoff_window(), 0));
2675
2676         toolbar_hbox.set_spacing (10);
2677         toolbar_hbox.set_border_width (1);
2678
2679         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2680         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2681
2682
2683         hbox->pack_start (snap_box, false, false);
2684         hbox->pack_start (zoom_box, false, false);
2685         hbox->pack_start (*nudge_box, false, false);
2686
2687         hbox->show_all ();
2688
2689         toolbar_base.set_name ("ToolBarBase");
2690         toolbar_base.add (toolbar_hbox);
2691
2692         toolbar_frame.set_shadow_type (SHADOW_OUT);
2693         toolbar_frame.set_name ("BaseFrame");
2694         toolbar_frame.add (toolbar_base);
2695 }
2696
2697 int
2698 Editor::convert_drop_to_paths (vector<ustring>& paths,
2699                                const RefPtr<Gdk::DragContext>& context,
2700                                gint                x,
2701                                gint                y,
2702                                const SelectionData& data,
2703                                guint               info,
2704                                guint               time)
2705
2706 {
2707         if (session == 0) {
2708                 return -1;
2709         }
2710
2711         vector<ustring> uris = data.get_uris();
2712
2713         if (uris.empty()) {
2714
2715                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
2716                    are actually URI lists. So do it by hand.
2717                 */
2718
2719                 if (data.get_target() != "text/plain") {
2720                         return -1;
2721                 }
2722
2723                 /* Parse the "uri-list" format that Nautilus provides,
2724                    where each pathname is delimited by \r\n
2725                 */
2726
2727                 const char* p = data.get_text().c_str();
2728                 const char* q;
2729
2730                 while (p)
2731                 {
2732                         if (*p != '#')
2733                         {
2734                                 while (g_ascii_isspace (*p))
2735                                         p++;
2736
2737                                 q = p;
2738                                 while (*q && (*q != '\n') && (*q != '\r'))
2739                                         q++;
2740
2741                                 if (q > p)
2742                                 {
2743                                         q--;
2744                                         while (q > p && g_ascii_isspace (*q))
2745                                                 q--;
2746
2747                                         if (q > p)
2748                                         {
2749                                                 uris.push_back (ustring (p, q - p + 1));
2750                                         }
2751                                 }
2752                         }
2753                         p = strchr (p, '\n');
2754                         if (p)
2755                                 p++;
2756                 }
2757
2758                 if (uris.empty()) {
2759                         return -1;
2760                 }
2761         }
2762
2763         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
2764                 if ((*i).substr (0,7) == "file://") {
2765                         string p = *i;
2766                         PBD::url_decode (p);
2767                         paths.push_back (p.substr (7));
2768                 }
2769         }
2770
2771         return 0;
2772 }
2773
2774 void
2775 Editor::new_tempo_section ()
2776
2777 {
2778 }
2779
2780 void
2781 Editor::map_transport_state ()
2782 {
2783         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
2784
2785         if (session->transport_stopped()) {
2786                 have_pending_keyboard_selection = false;
2787         }
2788 }
2789
2790 /* UNDO/REDO */
2791
2792 Editor::State::State ()
2793 {
2794         selection = new Selection;
2795 }
2796
2797 Editor::State::~State ()
2798 {
2799         delete selection;
2800 }
2801
2802 UndoAction
2803 Editor::get_memento () const
2804 {
2805         State *state = new State;
2806
2807         store_state (*state);
2808         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
2809 }
2810
2811 void
2812 Editor::store_state (State& state) const
2813 {
2814         *state.selection = *selection;
2815 }
2816
2817 void
2818 Editor::restore_state (State *state)
2819 {
2820         if (*selection == *state->selection) {
2821                 return;
2822         }
2823
2824         *selection = *state->selection;
2825         time_selection_changed ();
2826         region_selection_changed ();
2827
2828         /* XXX other selection change handlers? */
2829 }
2830
2831 void
2832 Editor::begin_reversible_command (string name)
2833 {
2834         if (session) {
2835                 before = &get_state();
2836                 session->begin_reversible_command (name);
2837         }
2838 }
2839
2840 void
2841 Editor::commit_reversible_command ()
2842 {
2843         if (session) {
2844                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
2845         }
2846 }
2847
2848 bool
2849 Editor::set_selected_track (TimeAxisView& view, Selection::Operation op, bool no_remove)
2850 {
2851         bool commit = false;
2852
2853         switch (op) {
2854         case Selection::Toggle:
2855                 if (selection->selected (&view)) {
2856                         if (!no_remove) {
2857                                 selection->remove (&view);
2858                                 commit = true;
2859                         }
2860                 } else {
2861                         selection->add (&view);
2862                         commit = false;
2863                 }
2864                 break;
2865
2866         case Selection::Add:
2867                 if (!selection->selected (&view)) {
2868                         selection->add (&view);
2869                         commit = true;
2870                 }
2871                 break;
2872
2873         case Selection::Set:
2874                 if (selection->selected (&view) && selection->tracks.size() == 1) {
2875                         /* no commit necessary */
2876                 }
2877
2878                 selection->set (&view);
2879                 break;
2880
2881         case Selection::Extend:
2882                 /* not defined yet */
2883                 break;
2884         }
2885
2886         return commit;
2887 }
2888
2889 bool
2890 Editor::set_selected_track_from_click (Selection::Operation op, bool no_remove)
2891 {
2892         if (!clicked_trackview) {
2893                 return false;
2894         }
2895
2896         return set_selected_track (*clicked_trackview, op, no_remove);
2897 }
2898
2899 bool
2900 Editor::set_selected_control_point_from_click (Selection::Operation op, bool no_remove)
2901 {
2902         if (!clicked_control_point) {
2903                 return false;
2904         }
2905
2906         /* select this point and any others that it represents */
2907
2908         double y1, y2;
2909         nframes_t x1, x2;
2910
2911         x1 = pixel_to_frame (clicked_control_point->get_x() - 10);
2912         x2 = pixel_to_frame (clicked_control_point->get_x() + 10);
2913         y1 = clicked_control_point->get_x() - 10;
2914         y2 = clicked_control_point->get_y() + 10;
2915
2916         return select_all_within (x1, x2, y1, y2, op);
2917 }
2918
2919 void
2920 Editor::get_relevant_audio_tracks (set<AudioTimeAxisView*>& relevant_tracks)
2921 {
2922         /* step one: get all selected tracks and all tracks in the relevant edit groups */
2923
2924         for (TrackSelection::iterator ti = selection->tracks.begin(); ti != selection->tracks.end(); ++ti) {
2925
2926                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*ti);
2927
2928                 if (!atv) {
2929                         continue;
2930                 }
2931
2932                 RouteGroup* group = atv->route()->edit_group();
2933
2934                 if (group && group->is_active()) {
2935
2936                         /* active group for this track, loop over all tracks and get every member of the group */
2937
2938                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
2939
2940                                 AudioTimeAxisView* tatv;
2941
2942                                 if ((tatv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
2943
2944                                         if (tatv->route()->edit_group() == group) {
2945                                                 relevant_tracks.insert (tatv);
2946                                         }
2947                                 }
2948                         }
2949                 } else {
2950                         relevant_tracks.insert (atv);
2951                 }
2952         }
2953 }
2954
2955 void
2956 Editor::mapover_audio_tracks (slot<void,AudioTimeAxisView&,uint32_t> sl)
2957 {
2958         set<AudioTimeAxisView*> relevant_tracks;
2959
2960         get_relevant_audio_tracks (relevant_tracks);
2961
2962         uint32_t sz = relevant_tracks.size();
2963
2964         for (set<AudioTimeAxisView*>::iterator ati = relevant_tracks.begin(); ati != relevant_tracks.end(); ++ati) {
2965                 sl (**ati, sz);
2966         }
2967 }
2968
2969 void
2970 Editor::mapped_set_selected_regionview_from_click (RouteTimeAxisView& tv, uint32_t ignored,
2971                                                    RegionView* basis, vector<RegionView*>* all_equivs)
2972 {
2973         Playlist* pl;
2974         vector<boost::shared_ptr<Region> > results;
2975         RegionView* marv;
2976         boost::shared_ptr<Diskstream> ds;
2977
2978         if ((ds = tv.get_diskstream()) == 0) {
2979                 /* bus */
2980                 return;
2981         }
2982
2983         if (&tv == &basis->get_time_axis_view()) {
2984                 /* looking in same track as the original */
2985                 return;
2986         }
2987
2988
2989         if ((pl = dynamic_cast<Playlist*>(ds->playlist())) != 0) {
2990                 pl->get_equivalent_regions (basis->region(), results);
2991         }
2992
2993         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
2994                 if ((marv = tv.view()->find_view (*ir)) != 0) {
2995                         all_equivs->push_back (marv);
2996                 }
2997         }
2998 }
2999
3000 bool
3001 Editor::set_selected_regionview_from_click (bool press, Selection::Operation op, bool no_track_remove)
3002 {
3003         vector<RegionView*> all_equivalent_regions;
3004         bool commit = false;
3005
3006         if (!clicked_regionview || !clicked_audio_trackview) {
3007                 return false;
3008         }
3009
3010         if (op == Selection::Toggle || op == Selection::Set) {
3011
3012                 mapover_audio_tracks (bind (mem_fun (*this, &Editor::mapped_set_selected_regionview_from_click),
3013                                             clicked_regionview, &all_equivalent_regions));
3014
3015
3016                 /* add clicked regionview since we skipped all other regions in the same track as the one it was in */
3017
3018                 all_equivalent_regions.push_back (clicked_regionview);
3019
3020                 switch (op) {
3021                 case Selection::Toggle:
3022
3023                         if (clicked_regionview->get_selected()) {
3024                                 if (press) {
3025
3026                                         /* whatever was clicked was selected already; do nothing here but allow
3027                                            the button release to deselect it
3028                                         */
3029
3030                                         button_release_can_deselect = true;
3031
3032                                 } else {
3033
3034                                         if (button_release_can_deselect) {
3035
3036                                                 /* just remove this one region, but only on a permitted button release */
3037
3038                                                 selection->remove (clicked_regionview);
3039                                                 commit = true;
3040
3041                                                 /* no more deselect action on button release till a new press
3042                                                    finds an already selected object.
3043                                                 */
3044
3045                                                 button_release_can_deselect = false;
3046                                         }
3047                                 }
3048
3049                         } else {
3050
3051                                 if (press) {
3052                                         /* add all the equivalent regions, but only on button press */
3053
3054                                         if (!all_equivalent_regions.empty()) {
3055                                                 commit = true;
3056                                         }
3057
3058                                         for (vector<RegionView*>::iterator i = all_equivalent_regions.begin(); i != all_equivalent_regions.end(); ++i) {
3059                                                 selection->add (*i);
3060                                         }
3061                                 }
3062                         }
3063                         break;
3064
3065                 case Selection::Set:
3066                         if (!clicked_regionview->get_selected()) {
3067                                 selection->set (all_equivalent_regions);
3068                                 commit = true;
3069                         } else {
3070                                 /* no commit necessary: clicked on an already selected region */
3071                                 goto out;
3072                         }
3073                         break;
3074
3075                 default:
3076                         /* silly compiler */
3077                         break;
3078                 }
3079
3080         } else if (op == Selection::Extend) {
3081
3082                 list<Selectable*> results;
3083                 nframes_t last_frame;
3084                 nframes_t first_frame;
3085
3086                 /* 1. find the last selected regionview in the track that was clicked in */
3087
3088                 last_frame = 0;
3089                 first_frame = max_frames;
3090
3091                 for (RegionSelection::iterator x = selection->regions.begin(); x != selection->regions.end(); ++x) {
3092                         if (&(*x)->get_time_axis_view() == &clicked_regionview->get_time_axis_view()) {
3093
3094                                 if ((*x)->region()->last_frame() > last_frame) {
3095                                         last_frame = (*x)->region()->last_frame();
3096                                 }
3097
3098                                 if ((*x)->region()->first_frame() < first_frame) {
3099                                         first_frame = (*x)->region()->first_frame();
3100                                 }
3101                         }
3102                 }
3103
3104                 /* 2. figure out the boundaries for our search for new objects */
3105
3106                 switch (clicked_regionview->region()->coverage (first_frame, last_frame)) {
3107                 case OverlapNone:
3108                         if (last_frame < clicked_regionview->region()->first_frame()) {
3109                                 first_frame = last_frame;
3110                                 last_frame = clicked_regionview->region()->last_frame();
3111                         } else {
3112                                 last_frame = first_frame;
3113                                 first_frame = clicked_regionview->region()->first_frame();
3114                         }
3115                         break;
3116
3117                 case OverlapExternal:
3118                         if (last_frame < clicked_regionview->region()->first_frame()) {
3119                                 first_frame = last_frame;
3120                                 last_frame = clicked_regionview->region()->last_frame();
3121                         } else {
3122                                 last_frame = first_frame;
3123                                 first_frame = clicked_regionview->region()->first_frame();
3124                         }
3125                         break;
3126
3127                 case OverlapInternal:
3128                         if (last_frame < clicked_regionview->region()->first_frame()) {
3129                                 first_frame = last_frame;
3130                                 last_frame = clicked_regionview->region()->last_frame();
3131                         } else {
3132                                 last_frame = first_frame;
3133                                 first_frame = clicked_regionview->region()->first_frame();
3134                         }
3135                         break;
3136
3137                 case OverlapStart:
3138                 case OverlapEnd:
3139                         /* nothing to do except add clicked region to selection, since it
3140                            overlaps with the existing selection in this track.
3141                         */
3142                         break;
3143                 }
3144
3145                 /* 2. find all selectable objects (regionviews in this case) between that one and the end of the
3146                       one that was clicked.
3147                 */
3148
3149                 set<AudioTimeAxisView*> relevant_tracks;
3150
3151                 get_relevant_audio_tracks (relevant_tracks);
3152
3153                 for (set<AudioTimeAxisView*>::iterator t = relevant_tracks.begin(); t != relevant_tracks.end(); ++t) {
3154                         (*t)->get_selectables (first_frame, last_frame, -1.0, -1.0, results);
3155                 }
3156
3157                 /* 3. convert to a vector of audio regions */
3158
3159                 vector<RegionView*> regions;
3160
3161                 for (list<Selectable*>::iterator x = results.begin(); x != results.end(); ++x) {
3162                         RegionView* arv;
3163
3164                         if ((arv = dynamic_cast<RegionView*>(*x)) != 0) {
3165                                 regions.push_back (arv);
3166                         }
3167                 }
3168
3169                 if (!regions.empty()) {
3170                         selection->add (regions);
3171                         commit = true;
3172                 }
3173         }
3174
3175   out:
3176         return commit;
3177 }
3178
3179 void
3180 Editor::set_selected_regionview_from_region_list (boost::shared_ptr<Region> region, Selection::Operation op)
3181 {
3182         vector<RegionView*> all_equivalent_regions;
3183
3184         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3185
3186                 RouteTimeAxisView* tatv;
3187
3188                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
3189
3190                         Playlist* pl;
3191                         vector<boost::shared_ptr<Region> > results;
3192                         RegionView* marv;
3193                         boost::shared_ptr<Diskstream> ds;
3194
3195                         if ((ds = tatv->get_diskstream()) == 0) {
3196                                 /* bus */
3197                                 continue;
3198                         }
3199
3200                         if ((pl = dynamic_cast<Playlist*>(ds->playlist())) != 0) {
3201                                 pl->get_region_list_equivalent_regions (region, results);
3202                         }
3203
3204                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
3205                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
3206                                         all_equivalent_regions.push_back (marv);
3207                                 }
3208                         }
3209
3210                 }
3211         }
3212
3213         begin_reversible_command (_("set selected regions"));
3214
3215         switch (op) {
3216         case Selection::Toggle:
3217                 /* XXX this is not correct */
3218                 selection->toggle (all_equivalent_regions);
3219                 break;
3220         case Selection::Set:
3221                 selection->set (all_equivalent_regions);
3222                 break;
3223         case Selection::Extend:
3224                 selection->add (all_equivalent_regions);
3225                 break;
3226         case Selection::Add:
3227                 selection->add (all_equivalent_regions);
3228                 break;
3229         }
3230
3231         commit_reversible_command () ;
3232 }
3233
3234 bool
3235 Editor::set_selected_regionview_from_map_event (GdkEventAny* ev, StreamView* sv, boost::weak_ptr<Region> weak_r)
3236 {
3237         RegionView* rv;
3238         boost::shared_ptr<Region> r (weak_r.lock());
3239
3240         if (!r) {
3241                 return true;
3242         }
3243
3244         boost::shared_ptr<AudioRegion> ar;
3245
3246         if ((ar = boost::dynamic_pointer_cast<AudioRegion> (r)) == 0) {
3247                 return true;
3248         }
3249
3250         if ((rv = sv->find_view (ar)) == 0) {
3251                 return true;
3252         }
3253
3254         /* don't reset the selection if its something other than
3255            a single other region.
3256         */
3257
3258         if (selection->regions.size() > 1) {
3259                 return true;
3260         }
3261
3262         begin_reversible_command (_("set selected regions"));
3263
3264         selection->set (rv);
3265
3266         commit_reversible_command () ;
3267
3268         return true;
3269 }
3270
3271 void
3272 Editor::set_edit_group_solo (Route& route, bool yn)
3273 {
3274         RouteGroup *edit_group;
3275
3276         if ((edit_group = route.edit_group()) != 0) {
3277                 edit_group->apply (&Route::set_solo, yn, this);
3278         } else {
3279                 route.set_solo (yn, this);
3280         }
3281 }
3282
3283 void
3284 Editor::set_edit_group_mute (Route& route, bool yn)
3285 {
3286         RouteGroup *edit_group = 0;
3287
3288         if ((edit_group == route.edit_group()) != 0) {
3289                 edit_group->apply (&Route::set_mute, yn, this);
3290         } else {
3291                 route.set_mute (yn, this);
3292         }
3293 }
3294
3295 void
3296 Editor::history_changed ()
3297 {
3298         string label;
3299
3300         if (undo_action && session) {
3301                 if (session->undo_depth() == 0) {
3302                         label = _("Undo");
3303                 } else {
3304                         label = string_compose(_("Undo (%1)"), session->next_undo());
3305                 }
3306                 undo_action->property_label() = label;
3307         }
3308
3309         if (redo_action && session) {
3310                 if (session->redo_depth() == 0) {
3311                         label = _("Redo");
3312                 } else {
3313                         label = string_compose(_("Redo (%1)"), session->next_redo());
3314                 }
3315                 redo_action->property_label() = label;
3316         }
3317 }
3318
3319 void
3320 Editor::duplicate_dialog (bool dup_region)
3321 {
3322         if (dup_region) {
3323                 if (clicked_regionview == 0) {
3324                         return;
3325                 }
3326         } else {
3327                 if (selection->time.length() == 0) {
3328                         return;
3329                 }
3330         }
3331
3332         ArdourDialog win ("duplicate dialog");
3333         Entry  entry;
3334         Label  label (_("Duplicate how many times?"));
3335
3336         win.get_vbox()->pack_start (label);
3337         win.add_action_widget (entry, RESPONSE_ACCEPT);
3338         win.add_button (Stock::OK, RESPONSE_ACCEPT);
3339         win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3340
3341         win.set_position (WIN_POS_MOUSE);
3342
3343         entry.set_text ("1");
3344         set_size_request_to_display_given_text (entry, X_("12345678"), 20, 15);
3345         entry.select_region (0, entry.get_text_length());
3346         entry.grab_focus ();
3347
3348
3349         switch (win.run ()) {
3350         case RESPONSE_ACCEPT:
3351                 break;
3352         default:
3353                 return;
3354         }
3355
3356         string text = entry.get_text();
3357         float times;
3358
3359         if (sscanf (text.c_str(), "%f", &times) == 1) {
3360                 if (dup_region) {
3361                         RegionSelection regions;
3362                         regions.add (clicked_regionview);
3363                         duplicate_some_regions (regions, times);
3364                 } else {
3365                         duplicate_selection (times);
3366                 }
3367         }
3368 }
3369
3370 void
3371 Editor::show_verbose_canvas_cursor ()
3372 {
3373         verbose_canvas_cursor->raise_to_top();
3374         verbose_canvas_cursor->show();
3375         verbose_cursor_visible = true;
3376 }
3377
3378 void
3379 Editor::hide_verbose_canvas_cursor ()
3380 {
3381         verbose_canvas_cursor->hide();
3382         verbose_cursor_visible = false;
3383 }
3384
3385 void
3386 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3387 {
3388         /* XXX get origin of canvas relative to root window,
3389            add x and y and check compared to gdk_screen_{width,height}
3390         */
3391         verbose_canvas_cursor->property_text() = txt.c_str();
3392         verbose_canvas_cursor->property_x() = x;
3393         verbose_canvas_cursor->property_y() = y;
3394 }
3395
3396 void
3397 Editor::set_verbose_canvas_cursor_text (const string & txt)
3398 {
3399         verbose_canvas_cursor->property_text() = txt.c_str();
3400 }
3401
3402 void
3403 Editor::edit_mode_selection_done ()
3404 {
3405         if (session == 0) {
3406                 return;
3407         }
3408
3409         string choice = edit_mode_selector.get_active_text();
3410         EditMode mode = Slide;
3411
3412         if (choice == _("Splice Edit")) {
3413                 mode = Splice;
3414         } else if (choice == _("Slide Edit")) {
3415                 mode = Slide;
3416         }
3417
3418         Config->set_edit_mode (mode);
3419 }
3420
3421 void
3422 Editor::snap_type_selection_done ()
3423 {
3424         string choice = snap_type_selector.get_active_text();
3425         SnapType snaptype = SnapToFrame;
3426
3427         if (choice == _("Beats/3")) {
3428                 snaptype = SnapToAThirdBeat;
3429         } else if (choice == _("Beats/4")) {
3430                 snaptype = SnapToAQuarterBeat;
3431         } else if (choice == _("Beats/8")) {
3432                 snaptype = SnapToAEighthBeat;
3433         } else if (choice == _("Beats/16")) {
3434                 snaptype = SnapToASixteenthBeat;
3435         } else if (choice == _("Beats/32")) {
3436                 snaptype = SnapToAThirtysecondBeat;
3437         } else if (choice == _("Beats")) {
3438                 snaptype = SnapToBeat;
3439         } else if (choice == _("Bars")) {
3440                 snaptype = SnapToBar;
3441         } else if (choice == _("Marks")) {
3442                 snaptype = SnapToMark;
3443         } else if (choice == _("Edit Cursor")) {
3444                 snaptype = SnapToEditCursor;
3445         } else if (choice == _("Region starts")) {
3446                 snaptype = SnapToRegionStart;
3447         } else if (choice == _("Region ends")) {
3448                 snaptype = SnapToRegionEnd;
3449         } else if (choice == _("Region bounds")) {
3450                 snaptype = SnapToRegionBoundary;
3451         } else if (choice == _("Region syncs")) {
3452                 snaptype = SnapToRegionSync;
3453         } else if (choice == _("CD Frames")) {
3454                 snaptype = SnapToCDFrame;
3455         } else if (choice == _("SMPTE Frames")) {
3456                 snaptype = SnapToSMPTEFrame;
3457         } else if (choice == _("SMPTE Seconds")) {
3458                 snaptype = SnapToSMPTESeconds;
3459         } else if (choice == _("SMPTE Minutes")) {
3460                 snaptype = SnapToSMPTEMinutes;
3461         } else if (choice == _("Seconds")) {
3462                 snaptype = SnapToSeconds;
3463         } else if (choice == _("Minutes")) {
3464                 snaptype = SnapToMinutes;
3465         } else if (choice == _("None")) {
3466                 snaptype = SnapToFrame;
3467         }
3468
3469         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3470         if (ract) {
3471                 ract->set_active ();
3472         }
3473 }
3474
3475 void
3476 Editor::snap_mode_selection_done ()
3477 {
3478         string choice = snap_mode_selector.get_active_text();
3479         SnapMode mode = SnapNormal;
3480
3481         if (choice == _("Normal")) {
3482                 mode = SnapNormal;
3483         } else if (choice == _("Magnetic")) {
3484                 mode = SnapMagnetic;
3485         }
3486
3487         RefPtr<RadioAction> ract = snap_mode_action (mode);
3488
3489         if (ract) {
3490                 ract->set_active (true);
3491         }
3492 }
3493
3494 void
3495 Editor::zoom_focus_selection_done ()
3496 {
3497         string choice = zoom_focus_selector.get_active_text();
3498         ZoomFocus focus_type = ZoomFocusLeft;
3499
3500         if (choice == _("Left")) {
3501                 focus_type = ZoomFocusLeft;
3502         } else if (choice == _("Right")) {
3503                 focus_type = ZoomFocusRight;
3504         } else if (choice == _("Center")) {
3505                 focus_type = ZoomFocusCenter;
3506         } else if (choice == _("Playhead")) {
3507                 focus_type = ZoomFocusPlayhead;
3508         } else if (choice == _("Edit Cursor")) {
3509                 focus_type = ZoomFocusEdit;
3510         }
3511
3512         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3513
3514         if (ract) {
3515                 ract->set_active ();
3516         }
3517 }
3518
3519 gint
3520 Editor::edit_controls_button_release (GdkEventButton* ev)
3521 {
3522         if (Keyboard::is_context_menu_event (ev)) {
3523                 ARDOUR_UI::instance()->add_route ();
3524         }
3525         return TRUE;
3526 }
3527
3528 void
3529 Editor::track_selection_changed ()
3530 {
3531         switch (selection->tracks.size()){
3532         case 0:
3533                 break;
3534         default:
3535                 set_selected_mixer_strip (*(selection->tracks.front()));
3536                 break;
3537         }
3538
3539         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3540                 (*i)->set_selected (false);
3541                 if (mouse_mode == MouseRange) {
3542                         (*i)->hide_selection ();
3543                 }
3544         }
3545
3546         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3547                 (*i)->set_selected (true);
3548                 if (mouse_mode == MouseRange) {
3549                         (*i)->show_selection (selection->time);
3550                 }
3551         }
3552 }
3553
3554 void
3555 Editor::time_selection_changed ()
3556 {
3557         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3558                 (*i)->hide_selection ();
3559         }
3560
3561         if (selection->tracks.empty()) {
3562                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3563                         (*i)->show_selection (selection->time);
3564                 }
3565         } else {
3566                 for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3567                         (*i)->show_selection (selection->time);
3568                 }
3569         }
3570
3571         if (selection->time.empty()) {
3572                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, false);
3573         } else {
3574                 ActionManager::set_sensitive (ActionManager::time_selection_sensitive_actions, true);
3575         }
3576 }
3577
3578 void
3579 Editor::region_selection_changed ()
3580 {
3581         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3582                 (*i)->set_selected_regionviews (selection->regions);
3583         }
3584 }
3585
3586 void
3587 Editor::point_selection_changed ()
3588 {
3589         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3590                 (*i)->set_selected_points (selection->points);
3591         }
3592 }
3593
3594 gint
3595 Editor::mouse_select_button_release (GdkEventButton* ev)
3596 {
3597         /* this handles just right-clicks */
3598
3599         if (ev->button != 3) {
3600                 return FALSE;
3601         }
3602
3603         return TRUE;
3604 }
3605
3606 Editor::TrackViewList *
3607 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3608 {
3609         TrackViewList *v;
3610         TrackViewList::iterator i;
3611
3612         v = new TrackViewList;
3613
3614         if (track == 0 && group == 0) {
3615
3616                 /* all views */
3617
3618                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3619                         v->push_back (*i);
3620                 }
3621
3622         } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
3623
3624                 /* just the view for this track
3625                  */
3626
3627                 v->push_back (track);
3628
3629         } else {
3630
3631                 /* views for all tracks in the edit group */
3632
3633                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3634
3635                         if (group == 0 || (*i)->edit_group() == group) {
3636                                 v->push_back (*i);
3637                         }
3638                 }
3639         }
3640
3641         return v;
3642 }
3643
3644 void
3645 Editor::set_zoom_focus (ZoomFocus f)
3646 {
3647         string str = zoom_focus_strings[(int)f];
3648
3649         if (str != zoom_focus_selector.get_active_text()) {
3650                 zoom_focus_selector.set_active_text (str);
3651         }
3652
3653         if (zoom_focus != f) {
3654                 zoom_focus = f;
3655
3656                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3657
3658                 instant_save ();
3659         }
3660 }
3661
3662 void
3663 Editor::ensure_float (Window& win)
3664 {
3665         win.set_transient_for (*this);
3666 }
3667
3668 void
3669 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3670 {
3671         /* recover or initialize pane positions. do this here rather than earlier because
3672            we don't want the positions to change the child allocations, which they seem to do.
3673          */
3674
3675         int pos;
3676         XMLProperty* prop;
3677         char buf[32];
3678         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3679         int width, height;
3680         static int32_t done;
3681         XMLNode* geometry;
3682
3683         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3684                 width = default_width;
3685                 height = default_height;
3686         } else {
3687                 width = atoi(geometry->property("x_size")->value());
3688                 height = atoi(geometry->property("y_size")->value());
3689         }
3690
3691         if (which == static_cast<Paned*> (&edit_pane)) {
3692
3693                 if (done) {
3694                         return;
3695                 }
3696
3697                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3698                         /* initial allocation is 90% to canvas, 10% to notebook */
3699                         pos = (int) floor (alloc.get_width() * 0.90f);
3700                         snprintf (buf, sizeof(buf), "%d", pos);
3701                 } else {
3702                         pos = atoi (prop->value());
3703                 }
3704
3705                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3706                         edit_pane.set_position (pos);
3707                         pre_maximal_pane_position = pos;
3708                 }
3709         }
3710 }
3711
3712 void
3713 Editor::detach_tearoff (Box* b, Window* w)
3714 {
3715         if (tools_tearoff->torn_off() &&
3716             mouse_mode_tearoff->torn_off()) {
3717                 top_hbox.remove (toolbar_frame);
3718         }
3719 }
3720
3721 void
3722 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3723 {
3724         if (toolbar_frame.get_parent() == 0) {
3725                 top_hbox.pack_end (toolbar_frame);
3726         }
3727 }
3728
3729 void
3730 Editor::set_show_measures (bool yn)
3731 {
3732         if (_show_measures != yn) {
3733                 hide_measures ();
3734
3735                 if ((_show_measures = yn) == true) {
3736                         draw_measures ();
3737                 }
3738                 DisplayControlChanged (ShowMeasures);
3739                 instant_save ();
3740         }
3741 }
3742
3743 void
3744 Editor::toggle_follow_playhead ()
3745 {
3746         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3747         if (act) {
3748                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3749                 set_follow_playhead (tact->get_active());
3750         }
3751 }
3752
3753 void
3754 Editor::set_follow_playhead (bool yn)
3755 {
3756         if (_follow_playhead != yn) {
3757                 if ((_follow_playhead = yn) == true) {
3758                         /* catch up */
3759                         update_current_screen ();
3760                 }
3761                 DisplayControlChanged (FollowPlayhead);
3762                 instant_save ();
3763         }
3764 }
3765
3766 void
3767 Editor::toggle_xfade_active (Crossfade* xfade)
3768 {
3769         xfade->set_active (!xfade->active());
3770 }
3771
3772 void
3773 Editor::toggle_xfade_length (Crossfade* xfade)
3774 {
3775         xfade->set_follow_overlap (!xfade->following_overlap());
3776 }
3777
3778 void
3779 Editor::edit_xfade (Crossfade* xfade)
3780 {
3781         CrossfadeEditor cew (*session, *xfade, xfade->fade_in().get_min_y(), 1.0);
3782
3783         ensure_float (cew);
3784
3785         switch (cew.run ()) {
3786         case RESPONSE_ACCEPT:
3787                 break;
3788         default:
3789                 return;
3790         }
3791
3792         cew.apply ();
3793         xfade->StateChanged (Change (~0));
3794 }
3795
3796 PlaylistSelector&
3797 Editor::playlist_selector () const
3798 {
3799         return *_playlist_selector;
3800 }
3801
3802 nframes_t
3803 Editor::get_nudge_distance (nframes_t pos, nframes_t& next)
3804 {
3805         nframes_t ret;
3806
3807         ret = nudge_clock.current_duration (pos);
3808         next = ret + 1; /* XXXX fix me */
3809
3810         return ret;
3811 }
3812
3813 void
3814 Editor::end_location_changed (Location* location)
3815 {
3816         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3817         reset_scrolling_region ();
3818 }
3819
3820 int
3821 Editor::playlist_deletion_dialog (Playlist* pl)
3822 {
3823         ArdourDialog dialog ("playlist deletion dialog");
3824         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3825                                  "If left alone, no audio files used by it will be cleaned.\n"
3826                                  "If deleted, audio files used by it alone by will cleaned."),
3827                                pl->name()));
3828
3829         dialog.set_position (WIN_POS_CENTER);
3830         dialog.get_vbox()->pack_start (label);
3831
3832         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3833         dialog.add_button (_("Keep playlist"), RESPONSE_CANCEL);
3834         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3835
3836         switch (dialog.run ()) {
3837         case RESPONSE_ACCEPT:
3838                 /* delete the playlist */
3839                 return 0;
3840                 break;
3841
3842         case RESPONSE_REJECT:
3843                 /* keep the playlist */
3844                 return 1;
3845                 break;
3846
3847         default:
3848                 break;
3849         }
3850
3851         return -1;
3852 }
3853
3854 bool
3855 Editor::audio_region_selection_covers (nframes_t where)
3856 {
3857         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3858                 if ((*a)->region()->covers (where)) {
3859                         return true;
3860                 }
3861         }
3862
3863         return false;
3864 }
3865
3866 void
3867 Editor::prepare_for_cleanup ()
3868 {
3869         cut_buffer->clear_regions ();
3870         cut_buffer->clear_playlists ();
3871
3872         selection->clear_regions ();
3873         selection->clear_playlists ();
3874 }
3875
3876 Location*
3877 Editor::transport_loop_location()
3878 {
3879         if (session) {
3880                 return session->locations()->auto_loop_location();
3881         } else {
3882                 return 0;
3883         }
3884 }
3885
3886 Location*
3887 Editor::transport_punch_location()
3888 {
3889         if (session) {
3890                 return session->locations()->auto_punch_location();
3891         } else {
3892                 return 0;
3893         }
3894 }
3895
3896 bool
3897 Editor::control_layout_scroll (GdkEventScroll* ev)
3898 {
3899         switch (ev->direction) {
3900         case GDK_SCROLL_UP:
3901                 scroll_tracks_up_line ();
3902                 return true;
3903                 break;
3904
3905         case GDK_SCROLL_DOWN:
3906                 scroll_tracks_down_line ();
3907                 return true;
3908
3909         default:
3910                 /* no left/right handling yet */
3911                 break;
3912         }
3913
3914         return false;
3915 }
3916
3917 void
3918 Editor::snapshot_display_selection_changed ()
3919 {
3920         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
3921
3922                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
3923
3924                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
3925
3926                 if (snap_name.length() == 0) {
3927                         return;
3928                 }
3929
3930                 if (session->snap_name() == snap_name) {
3931                         return;
3932                 }
3933
3934                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
3935         }
3936 }
3937
3938 bool
3939 Editor::snapshot_display_button_press (GdkEventButton* ev)
3940 {
3941          return false;
3942 }
3943
3944 void
3945 Editor::redisplay_snapshots ()
3946 {
3947         if (session == 0) {
3948                 return;
3949         }
3950
3951         vector<string*>* states;
3952
3953         if ((states = session->possible_states()) == 0) {
3954                 return;
3955         }
3956
3957         snapshot_display_model->clear ();
3958
3959         for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
3960                 string statename = *(*i);
3961                 TreeModel::Row row = *(snapshot_display_model->append());
3962
3963                 // we don't have a way of changing the rendering in just one TreeView
3964                 // cell so just put an asterisk on each side of the name for now.
3965                 string display_name;
3966                 if (statename == session->snap_name()) {
3967                         display_name = "*"+statename+"*";
3968                         snapshot_display.get_selection()->select(row);
3969                 } else {
3970                         display_name = statename;
3971                 }
3972
3973                 row[snapshot_display_columns.visible_name] = display_name;
3974                 row[snapshot_display_columns.real_name] = statename;
3975         }
3976
3977         delete states;
3978 }
3979
3980 void
3981 Editor::session_state_saved (string snap_name)
3982 {
3983         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
3984         redisplay_snapshots ();
3985 }
3986
3987 void
3988 Editor::maximise_editing_space ()
3989 {
3990         initial_ruler_update_required = true;
3991
3992         mouse_mode_tearoff->set_visible (false);
3993         tools_tearoff->set_visible (false);
3994
3995         pre_maximal_pane_position = edit_pane.get_position();
3996         pre_maximal_editor_width = this->get_width();
3997
3998         edit_pane.set_position (edit_pane.get_width());
3999
4000
4001         fullscreen();
4002 }
4003
4004 void
4005 Editor::restore_editing_space ()
4006 {
4007         initial_ruler_update_required = true;
4008
4009         unfullscreen();
4010
4011         mouse_mode_tearoff->set_visible (true);
4012         tools_tearoff->set_visible (true);
4013
4014
4015         edit_pane.set_position (
4016                 pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width)
4017         );
4018 }
4019
4020 void
4021 Editor::new_playlists ()
4022 {
4023         begin_reversible_command (_("new playlists"));
4024         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist));
4025         commit_reversible_command ();
4026 }
4027
4028 void
4029 Editor::copy_playlists ()
4030 {
4031         begin_reversible_command (_("copy playlists"));
4032         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist));
4033         commit_reversible_command ();
4034 }
4035
4036 void
4037 Editor::clear_playlists ()
4038 {
4039         begin_reversible_command (_("clear playlists"));
4040         mapover_audio_tracks (mem_fun (*this, &Editor::mapped_clear_playlist));
4041         commit_reversible_command ();
4042 }
4043
4044 void
4045 Editor::mapped_use_new_playlist (AudioTimeAxisView& atv, uint32_t sz)
4046 {
4047         atv.use_new_playlist (sz > 1 ? false : true);
4048 }
4049
4050 void
4051 Editor::mapped_use_copy_playlist (AudioTimeAxisView& atv, uint32_t sz)
4052 {
4053         atv.use_copy_playlist (sz > 1 ? false : true);
4054 }
4055
4056 void
4057 Editor::mapped_clear_playlist (AudioTimeAxisView& atv, uint32_t sz)
4058 {
4059         atv.clear_playlist ();
4060 }
4061
4062 bool
4063 Editor::on_key_press_event (GdkEventKey* ev)
4064 {
4065         return key_press_focus_accelerator_handler (*this, ev);
4066 }
4067