gtk2_ardour/editor.cc

   1 /*
   2     Copyright (C) 2000-2006 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <unistd.h>
  21 #include <cstdlib>
  22 #include <cmath>
  23 #include <string>
  24 #include <algorithm>
  25
  26 #include <sigc++/bind.h>
  27
  28 #include <pbd/convert.h>
  29 #include <pbd/error.h>
  30 #include <pbd/stacktrace.h>
  31 #include <pbd/memento_command.h>
  32
  33 #include <glibmm/miscutils.h>
  34 #include <gtkmm/image.h>
  35 #include <gdkmm/color.h>
  36 #include <gdkmm/bitmap.h>
  37
  38 #include <gtkmm2ext/grouped_buttons.h>
  39 #include <gtkmm2ext/gtk_ui.h>
  40 #include <gtkmm2ext/tearoff.h>
  41 #include <gtkmm2ext/utils.h>
  42 #include <gtkmm2ext/window_title.h>
  43 #include <gtkmm2ext/choice.h>
  44
  45 #include <ardour/audio_track.h>
  46 #include <ardour/audio_diskstream.h>
  47 #include <ardour/plugin_manager.h>
  48 #include <ardour/location.h>
  49 #include <ardour/audioplaylist.h>
  50 #include <ardour/audioregion.h>
  51 #include <ardour/region.h>
  52 #include <ardour/session_route.h>
  53 #include <ardour/tempo.h>
  54 #include <ardour/utils.h>
  55
  56 #include <control_protocol/control_protocol.h>
  57
  58 #include "ardour_ui.h"
  59 #include "editor.h"
  60 #include "keyboard.h"
  61 #include "marker.h"
  62 #include "playlist_selector.h"
  63 #include "audio_region_view.h"
  64 #include "rgb_macros.h"
  65 #include "selection.h"
  66 #include "audio_streamview.h"
  67 #include "time_axis_view.h"
  68 #include "audio_time_axis.h"
  69 #include "utils.h"
  70 #include "crossfade_view.h"
  71 #include "editing.h"
  72 #include "public_editor.h"
  73 #include "crossfade_edit.h"
  74 #include "canvas_impl.h"
  75 #include "actions.h"
  76 #include "gui_thread.h"
  77
  78 #ifdef FFT_ANALYSIS
  79 #include "analysis_window.h"
  80 #endif
  81
  82 #include "i18n.h"
  83
  84 /* <CMT Additions> */
  85 #include "imageframe_socket_handler.h"
  86 /* </CMT Additions> */
  87
  88 using namespace std;
  89 using namespace sigc;
  90 using namespace ARDOUR;
  91 using namespace PBD;
  92 using namespace Gtk;
  93 using namespace Glib;
  94 using namespace Gtkmm2ext;
  95 using namespace Editing;
  96
  97 using PBD::internationalize;
  98 using PBD::atoi;
  99
 100 const double Editor::timebar_height = 15.0;
 101
 102 #include "editor_xpms"
 103
 104 static const gchar *_snap_type_strings[] = {
 105         N_("None"),
 106         N_("CD Frames"),
 107         N_("SMPTE Frames"),
 108         N_("SMPTE Seconds"),
 109         N_("SMPTE Minutes"),
 110         N_("Seconds"),
 111         N_("Minutes"),
 112         N_("Beats/32"),
 113         N_("Beats/16"),
 114         N_("Beats/8"),
 115         N_("Beats/4"),
 116         N_("Beats/3"),
 117         N_("Beats"),
 118         N_("Bars"),
 119         N_("Marks"),
 120         N_("Edit Cursor"),
 121         N_("Region starts"),
 122         N_("Region ends"),
 123         N_("Region syncs"),
 124         N_("Region bounds"),
 125         0
 126 };
 127
 128 static const gchar *_snap_mode_strings[] = {
 129         N_("Normal"),
 130         N_("Magnetic"),
 131         0
 132 };
 133
 134 static const gchar *_zoom_focus_strings[] = {
 135         N_("Left"),
 136         N_("Right"),
 137         N_("Center"),
 138         N_("Playhead"),
 139         N_("Edit Cursor"),
 140         0
 141 };
 142
 143 /* Soundfile  drag-n-drop */
 144
 145 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 146 Gdk::Cursor* Editor::selector_cursor = 0;
 147 Gdk::Cursor* Editor::trimmer_cursor = 0;
 148 Gdk::Cursor* Editor::grabber_cursor = 0;
 149 Gdk::Cursor* Editor::zoom_cursor = 0;
 150 Gdk::Cursor* Editor::time_fx_cursor = 0;
 151 Gdk::Cursor* Editor::fader_cursor = 0;
 152 Gdk::Cursor* Editor::speaker_cursor = 0;
 153 Gdk::Cursor* Editor::wait_cursor = 0;
 154 Gdk::Cursor* Editor::timebar_cursor = 0;
 155
 156 void
 157 show_me_the_size (Requisition* r, const char* what)
 158 {
 159         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 160 }
 161
 162 void
 163 check_adjustment (Gtk::Adjustment* adj)
 164 {
 165         cerr << "CHANGE adj  = "
 166              << adj->get_lower () <<  ' '
 167              << adj->get_upper () <<  ' '
 168              << adj->get_value () <<  ' '
 169              << adj->get_step_increment () <<  ' '
 170              << adj->get_page_increment () <<  ' '
 171              << adj->get_page_size () <<  ' '
 172              << endl;
 173
 174 }
 175
 176 Editor::Editor ()
 177         :
 178           /* time display buttons */
 179
 180           minsec_label (_("Mins:Secs")),
 181           bbt_label (_("Bars:Beats")),
 182           smpte_label (_("Timecode")),
 183           frame_label (_("Frames")),
 184           tempo_label (_("Tempo")),
 185           meter_label (_("Meter")),
 186           mark_label (_("Location Markers")),
 187           range_mark_label (_("Range Markers")),
 188           transport_mark_label (_("Loop/Punch Ranges")),
 189
 190           edit_packer (3, 3, false),
 191
 192           /* the values here don't matter: layout widgets
 193              reset them as needed.
 194           */
 195
 196           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
 197           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
 198
 199           /* tool bar related */
 200
 201           edit_cursor_clock (X_("editcursor"), false, X_("EditCursorClock"), true),
 202           zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, true),
 203
 204           toolbar_selection_clock_table (2,3),
 205
 206           automation_mode_button (_("mode")),
 207           global_automation_button (_("automation")),
 208
 209           /* <CMT Additions> */
 210           image_socket_listener(0),
 211           /* </CMT Additions> */
 212
 213           /* nudge */
 214
 215           nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, true)
 216
 217 {
 218         constructed = false;
 219
 220         /* we are a singleton */
 221
 222         PublicEditor::_instance = this;
 223
 224         session = 0;
 225
 226         selection = new Selection;
 227         cut_buffer = new Selection;
 228
 229         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
 230         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
 231         selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
 232         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
 233
 234         clicked_regionview = 0;
 235         clicked_axisview = 0;
 236         clicked_routeview = 0;
 237         clicked_crossfadeview = 0;
 238         clicked_control_point = 0;
 239         latest_regionview = 0;
 240         last_update_frame = 0;
 241         drag_info.item = 0;
 242         current_mixer_strip = 0;
 243         current_bbt_points = 0;
 244
 245         snap_type_strings = I18N (_snap_type_strings);
 246         snap_mode_strings = I18N (_snap_mode_strings);
 247         zoom_focus_strings = I18N(_zoom_focus_strings);
 248
 249         snap_type = SnapToFrame;
 250         set_snap_to (snap_type);
 251         snap_mode = SnapNormal;
 252         set_snap_mode (snap_mode);
 253         snap_threshold = 5.0;
 254         bbt_beat_subdivision = 4;
 255         canvas_width = 0;
 256         canvas_height = 0;
 257         autoscroll_active = false;
 258         autoscroll_timeout_tag = -1;
 259         interthread_progress_window = 0;
 260
 261 #ifdef FFT_ANALYSIS
 262         analysis_window = 0;
 263 #endif
 264
 265         current_interthread_info = 0;
 266         _show_measures = true;
 267         _show_waveforms = true;
 268         _show_waveforms_recording = true;
 269         first_action_message = 0;
 270         export_dialog = 0;
 271         show_gain_after_trim = false;
 272         ignore_route_list_reorder = false;
 273         no_route_list_redisplay = false;
 274         verbose_cursor_on = true;
 275         route_removal = false;
 276         show_automatic_regions_in_region_list = true;
 277         region_list_sort_type = (Editing::RegionListSortType) 0;
 278         have_pending_keyboard_selection = false;
 279         _follow_playhead = true;
 280         _xfade_visibility = true;
 281         editor_ruler_menu = 0;
 282         no_ruler_shown_update = false;
 283         edit_group_list_menu = 0;
 284         route_list_menu = 0;
 285         region_list_menu = 0;
 286         marker_menu = 0;
 287         start_end_marker_menu = 0;
 288         range_marker_menu = 0;
 289         marker_menu_item = 0;
 290         tm_marker_menu = 0;
 291         transport_marker_menu = 0;
 292         new_transport_marker_menu = 0;
 293         editor_mixer_strip_width = Wide;
 294         show_editor_mixer_when_tracks_arrive = false;
 295         region_edit_menu_split_item = 0;
 296         temp_location = 0;
 297         region_edit_menu_split_multichannel_item = 0;
 298         leftmost_frame = 0;
 299         ignore_mouse_mode_toggle = false;
 300         current_stepping_trackview = 0;
 301         entered_track = 0;
 302         entered_regionview = 0;
 303         clear_entered_track = false;
 304         _new_regionviews_show_envelope = false;
 305         current_timestretch = 0;
 306         in_edit_group_row_change = false;
 307         last_canvas_frame = 0;
 308         edit_cursor = 0;
 309         playhead_cursor = 0;
 310         button_release_can_deselect = true;
 311         canvas_idle_queued = false;
 312         _dragging_playhead = false;
 313         _dragging_hscrollbar = false;
 314
 315         location_marker_color = color_map[cLocationMarker];
 316         location_range_color = color_map[cLocationRange];
 317         location_cd_marker_color = color_map[cLocationCDMarker];
 318         location_loop_color = color_map[cLocationLoop];
 319         location_punch_color = color_map[cLocationPunch];
 320
 321         range_marker_drag_rect = 0;
 322         marker_drag_line = 0;
 323
 324         set_mouse_mode (MouseObject, true);
 325
 326         frames_per_unit = 2048; /* too early to use reset_zoom () */
 327         reset_hscrollbar_stepping ();
 328
 329         zoom_focus = ZoomFocusLeft;
 330         set_zoom_focus (ZoomFocusLeft);
 331         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
 332
 333         initialize_rulers ();
 334         initialize_canvas ();
 335
 336         edit_controls_vbox.set_spacing (0);
 337         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::canvas_horizontally_scrolled));
 338         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling));
 339
 340         track_canvas.set_hadjustment (horizontal_adjustment);
 341         track_canvas.set_vadjustment (vertical_adjustment);
 342         time_canvas.set_hadjustment (horizontal_adjustment);
 343
 344         track_canvas.signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
 345         time_canvas.signal_map_event().connect (mem_fun (*this, &Editor::time_canvas_map_handler));
 346
 347         controls_layout.add (edit_controls_vbox);
 348         controls_layout.set_name ("EditControlsBase");
 349         controls_layout.add_events (Gdk::SCROLL_MASK);
 350         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
 351
 352         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 353         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
 354         controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
 355
 356         edit_vscrollbar.set_adjustment (vertical_adjustment);
 357         edit_hscrollbar.set_adjustment (horizontal_adjustment);
 358
 359         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press), false);
 360         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release), false);
 361         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
 362
 363         edit_hscrollbar.set_name ("EditorHScrollbar");
 364
 365         build_cursors ();
 366         setup_toolbar ();
 367
 368         edit_cursor_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_cursor_clock_changed));
 369
 370         time_canvas_vbox.pack_start (*_ruler_separator, false, false);
 371         time_canvas_vbox.pack_start (*minsec_ruler, false, false);
 372         time_canvas_vbox.pack_start (*smpte_ruler, false, false);
 373         time_canvas_vbox.pack_start (*frames_ruler, false, false);
 374         time_canvas_vbox.pack_start (*bbt_ruler, false, false);
 375         time_canvas_vbox.pack_start (time_canvas, true, true);
 376         time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
 377
 378         bbt_label.set_name ("EditorTimeButton");
 379         bbt_label.set_size_request (-1, (int)timebar_height);
 380         bbt_label.set_alignment (1.0, 0.5);
 381         bbt_label.set_padding (5,0);
 382         minsec_label.set_name ("EditorTimeButton");
 383         minsec_label.set_size_request (-1, (int)timebar_height);
 384         minsec_label.set_alignment (1.0, 0.5);
 385         minsec_label.set_padding (5,0);
 386         smpte_label.set_name ("EditorTimeButton");
 387         smpte_label.set_size_request (-1, (int)timebar_height);
 388         smpte_label.set_alignment (1.0, 0.5);
 389         smpte_label.set_padding (5,0);
 390         frame_label.set_name ("EditorTimeButton");
 391         frame_label.set_size_request (-1, (int)timebar_height);
 392         frame_label.set_alignment (1.0, 0.5);
 393         frame_label.set_padding (5,0);
 394         tempo_label.set_name ("EditorTimeButton");
 395         tempo_label.set_size_request (-1, (int)timebar_height);
 396         tempo_label.set_alignment (1.0, 0.5);
 397         tempo_label.set_padding (5,0);
 398         meter_label.set_name ("EditorTimeButton");
 399         meter_label.set_size_request (-1, (int)timebar_height);
 400         meter_label.set_alignment (1.0, 0.5);
 401         meter_label.set_padding (5,0);
 402         mark_label.set_name ("EditorTimeButton");
 403         mark_label.set_size_request (-1, (int)timebar_height);
 404         mark_label.set_alignment (1.0, 0.5);
 405         mark_label.set_padding (5,0);
 406         range_mark_label.set_name ("EditorTimeButton");
 407         range_mark_label.set_size_request (-1, (int)timebar_height);
 408         range_mark_label.set_alignment (1.0, 0.5);
 409         range_mark_label.set_padding (5,0);
 410         transport_mark_label.set_name ("EditorTimeButton");
 411         transport_mark_label.set_size_request (-1, (int)timebar_height);
 412         transport_mark_label.set_alignment (1.0, 0.5);
 413         transport_mark_label.set_padding (5,0);
 414
 415         time_button_vbox.pack_start (minsec_label, false, false);
 416         time_button_vbox.pack_start (smpte_label, false, false);
 417         time_button_vbox.pack_start (frame_label, false, false);
 418         time_button_vbox.pack_start (bbt_label, false, false);
 419         time_button_vbox.pack_start (meter_label, false, false);
 420         time_button_vbox.pack_start (tempo_label, false, false);
 421         time_button_vbox.pack_start (mark_label, false, false);
 422
 423         time_button_event_box.add (time_button_vbox);
 424
 425         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 426         time_button_event_box.set_name ("TimebarLabelBase");
 427         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 428
 429         time_button_frame.add(time_button_event_box);
 430         time_button_frame.property_shadow_type() = Gtk::SHADOW_OUT;
 431
 432         /* these enable us to have a dedicated window (for cursor setting, etc.)
 433            for the canvas areas.
 434         */
 435
 436         track_canvas_event_box.add (track_canvas);
 437
 438         time_canvas_event_box.add (time_canvas_vbox);
 439         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 440
 441         edit_packer.set_col_spacings (0);
 442         edit_packer.set_row_spacings (0);
 443         edit_packer.set_homogeneous (false);
 444         edit_packer.set_border_width (0);
 445         edit_packer.set_name ("EditorWindow");
 446
 447         edit_packer.attach (edit_vscrollbar,         3, 4, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
 448
 449         edit_packer.attach (time_button_frame,       0, 2, 0, 1,    FILL,        FILL, 0, 0);
 450         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 451
 452         edit_packer.attach (controls_layout,         1, 2, 1, 2,    FILL,        FILL|EXPAND, 0, 0);
 453         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 2,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 454
 455         edit_packer.attach (zoom_box,                1, 2, 2, 3,    FILL,         FILL, 0, 0);
 456         edit_packer.attach (edit_hscrollbar,         2, 3, 2, 3,    FILL|EXPAND,  FILL, 0, 0);
 457
 458         bottom_hbox.set_border_width (2);
 459         bottom_hbox.set_spacing (3);
 460
 461         route_display_model = ListStore::create(route_display_columns);
 462         route_list_display.set_model (route_display_model);
 463         route_list_display.append_column (_("Show"), route_display_columns.visible);
 464         route_list_display.append_column (_("Name"), route_display_columns.text);
 465         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 466         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 467         route_list_display.set_headers_visible (true);
 468         route_list_display.set_name ("TrackListDisplay");
 469         route_list_display.get_selection()->set_mode (SELECTION_NONE);
 470         route_list_display.set_reorderable (true);
 471         route_list_display.set_size_request (100,-1);
 472
 473         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
 474         route_list_visible_cell->property_activatable() = true;
 475         route_list_visible_cell->property_radio() = false;
 476
 477         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
 478         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
 479
 480         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
 481
 482         route_list_scroller.add (route_list_display);
 483         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 484
 485         group_model = ListStore::create(group_columns);
 486         edit_group_display.set_model (group_model);
 487         edit_group_display.append_column (_("Name"), group_columns.text);
 488         edit_group_display.append_column (_("Active"), group_columns.is_active);
 489         edit_group_display.append_column (_("Show"), group_columns.is_visible);
 490         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 491         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 492         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
 493         edit_group_display.get_column (0)->set_expand (true);
 494         edit_group_display.get_column (1)->set_expand (false);
 495         edit_group_display.get_column (2)->set_expand (false);
 496         edit_group_display.set_headers_visible (true);
 497
 498         /* name is directly editable */
 499
 500         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
 501         name_cell->property_editable() = true;
 502         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
 503
 504         /* use checkbox for the active + visible columns */
 505
 506         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 507         active_cell->property_activatable() = true;
 508         active_cell->property_radio() = false;
 509
 510         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 511         active_cell->property_activatable() = true;
 512         active_cell->property_radio() = false;
 513
 514         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
 515
 516         edit_group_display.set_name ("EditGroupList");
 517         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
 518         edit_group_display.set_headers_visible (true);
 519         edit_group_display.set_reorderable (false);
 520         edit_group_display.set_rules_hint (true);
 521         edit_group_display.set_size_request (75, -1);
 522
 523         edit_group_display_scroller.add (edit_group_display);
 524         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 525
 526         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
 527
 528         VBox* edit_group_display_packer = manage (new VBox());
 529         HBox* edit_group_display_button_box = manage (new HBox());
 530         edit_group_display_button_box->set_homogeneous (true);
 531
 532         Button* edit_group_add_button = manage (new Button ());
 533         Button* edit_group_remove_button = manage (new Button ());
 534
 535         Widget* w;
 536
 537         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 538         w->show();
 539         edit_group_add_button->add (*w);
 540
 541         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 542         w->show();
 543         edit_group_remove_button->add (*w);
 544
 545         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
 546         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
 547
 548         edit_group_display_button_box->pack_start (*edit_group_add_button);
 549         edit_group_display_button_box->pack_start (*edit_group_remove_button);
 550
 551         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
 552         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
 553
 554         region_list_display.set_size_request (100, -1);
 555         region_list_display.set_name ("RegionListDisplay");
 556
 557         region_list_model = TreeStore::create (region_list_columns);
 558         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
 559         region_list_model->set_sort_column (0, SORT_ASCENDING);
 560
 561         region_list_display.set_model (region_list_model);
 562         region_list_display.append_column (_("Regions"), region_list_columns.name);
 563         region_list_display.set_headers_visible (false);
 564
 565         region_list_display.get_selection()->set_select_function (mem_fun (*this, &Editor::region_list_selection_filter));
 566
 567         TreeViewColumn* tv_col = region_list_display.get_column(0);
 568         CellRendererText* renderer = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
 569         tv_col->add_attribute(renderer->property_text(), region_list_columns.name);
 570         tv_col->add_attribute(renderer->property_foreground_gdk(), region_list_columns.color_);
 571
 572         region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
 573         region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
 574
 575         /* setup DnD handling */
 576
 577         list<TargetEntry> region_list_target_table;
 578
 579         region_list_target_table.push_back (TargetEntry ("text/plain"));
 580         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
 581         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 582
 583         region_list_display.add_drop_targets (region_list_target_table);
 584         region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
 585
 586         region_list_scroller.add (region_list_display);
 587         region_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 588
 589         region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
 590         region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
 591         region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
 592         region_list_display.signal_button_release_event().connect (mem_fun(*this, &Editor::region_list_display_button_release));
 593         region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
 594         // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
 595
 596         named_selection_scroller.add (named_selection_display);
 597         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 598
 599         named_selection_model = TreeStore::create (named_selection_columns);
 600         named_selection_display.set_model (named_selection_model);
 601         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
 602         named_selection_display.set_headers_visible (false);
 603         named_selection_display.set_size_request (100, -1);
 604         named_selection_display.set_name ("NamedSelectionDisplay");
 605
 606         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
 607         named_selection_display.set_size_request (100, -1);
 608         named_selection_display.signal_button_release_event().connect (mem_fun(*this, &Editor::named_selection_display_button_release), false);
 609         named_selection_display.signal_key_release_event().connect (mem_fun(*this, &Editor::named_selection_display_key_release), false);
 610         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
 611
 612         /* SNAPSHOTS */
 613
 614         snapshot_display_model = ListStore::create (snapshot_display_columns);
 615         snapshot_display.set_model (snapshot_display_model);
 616         snapshot_display.append_column (X_("snapshot"), snapshot_display_columns.visible_name);
 617         snapshot_display.set_name ("SnapshotDisplay");
 618         snapshot_display.set_size_request (75, -1);
 619         snapshot_display.set_headers_visible (false);
 620         snapshot_display.set_reorderable (false);
 621         snapshot_display_scroller.add (snapshot_display);
 622         snapshot_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 623
 624         snapshot_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::snapshot_display_selection_changed));
 625         snapshot_display.signal_button_press_event().connect (mem_fun (*this, &Editor::snapshot_display_button_press), false);
 626
 627         Gtk::Label* nlabel;
 628
 629         nlabel = manage (new Label (_("Regions")));
 630         nlabel->set_angle (-90);
 631         the_notebook.append_page (region_list_scroller, *nlabel);
 632         nlabel = manage (new Label (_("Tracks/Busses")));
 633         nlabel->set_angle (-90);
 634         the_notebook.append_page (route_list_scroller, *nlabel);
 635         nlabel = manage (new Label (_("Snapshots")));
 636         nlabel->set_angle (-90);
 637         the_notebook.append_page (snapshot_display_scroller, *nlabel);
 638         nlabel = manage (new Label (_("Edit Groups")));
 639         nlabel->set_angle (-90);
 640         the_notebook.append_page (*edit_group_display_packer, *nlabel);
 641         nlabel = manage (new Label (_("Chunks")));
 642         nlabel->set_angle (-90);
 643         the_notebook.append_page (named_selection_scroller, *nlabel);
 644
 645         the_notebook.set_show_tabs (true);
 646         the_notebook.set_scrollable (true);
 647         the_notebook.popup_enable ();
 648         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 649
 650         post_maximal_editor_width = 0;
 651         post_maximal_pane_position = 0;
 652         edit_pane.pack1 (edit_packer, true, true);
 653         edit_pane.pack2 (the_notebook, false, true);
 654
 655         edit_pane.signal_size_allocate().connect (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 656
 657         top_hbox.pack_start (toolbar_frame, true, true);
 658
 659         HBox *hbox = manage (new HBox);
 660         hbox->pack_start (edit_pane, true, true);
 661
 662         global_vpacker.pack_start (top_hbox, false, false);
 663         global_vpacker.pack_start (*hbox, true, true);
 664
 665         global_hpacker.pack_start (global_vpacker, true, true);
 666
 667         set_name ("EditorWindow");
 668         add_accel_group (ActionManager::ui_manager->get_accel_group());
 669
 670         vpacker.pack_end (global_hpacker, true, true);
 671
 672         /* register actions now so that set_state() can find them and set toggles/checks etc */
 673
 674         register_actions ();
 675
 676         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 677         set_state (*node);
 678
 679         _playlist_selector = new PlaylistSelector();
 680         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 681
 682         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
 683
 684         /* nudge stuff */
 685
 686         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 687         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 688
 689         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
 690         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
 691
 692         nudge_forward_button.set_name ("TransportButton");
 693         nudge_backward_button.set_name ("TransportButton");
 694
 695         fade_context_menu.set_name ("ArdourContextMenu");
 696
 697         /* icons, titles, WM stuff */
 698
 699         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 700         Glib::RefPtr<Gdk::Pixbuf> icon;
 701
 702         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 703                 window_icons.push_back (icon);
 704         }
 705         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 706                 window_icons.push_back (icon);
 707         }
 708         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 709                 window_icons.push_back (icon);
 710         }
 711         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 712                 window_icons.push_back (icon);
 713         }
 714         if (!window_icons.empty()) {
 715                 set_icon_list (window_icons);
 716                 set_default_icon_list (window_icons);
 717         }
 718
 719         WindowTitle title(Glib::get_application_name());
 720         title += _("Editor");
 721         set_title (title.get_string());
 722         set_wmclass (X_("ardour_editor"), "Ardour");
 723
 724         add (vpacker);
 725         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 726
 727         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 728         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 729
 730         /* allow external control surfaces/protocols to do various things */
 731
 732         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
 733         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
 734         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
 735         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
 736
 737         Config->ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed));
 738
 739         constructed = true;
 740         instant_save ();
 741 }
 742
 743 Editor::~Editor()
 744 {
 745         /* <CMT Additions> */
 746         if(image_socket_listener)
 747         {
 748                 if(image_socket_listener->is_connected())
 749                 {
 750                         image_socket_listener->close_connection() ;
 751                 }
 752
 753                 delete image_socket_listener ;
 754                 image_socket_listener = 0 ;
 755         }
 756         /* </CMT Additions> */
 757 }
 758
 759 void
 760 Editor::add_toplevel_controls (Container& cont)
 761 {
 762         vpacker.pack_start (cont, false, false);
 763         cont.show_all ();
 764 }
 765
 766 void
 767 Editor::catch_vanishing_regionview (RegionView *rv)
 768 {
 769         /* note: the selection will take care of the vanishing
 770            audioregionview by itself.
 771         */
 772
 773         if (clicked_regionview == rv) {
 774                 clicked_regionview = 0;
 775         }
 776
 777         if (entered_regionview == rv) {
 778                 set_entered_regionview (0);
 779         }
 780 }
 781
 782 void
 783 Editor::set_entered_regionview (RegionView* rv)
 784 {
 785         if (rv == entered_regionview) {
 786                 return;
 787         }
 788
 789         if (entered_regionview) {
 790                 entered_regionview->exited ();
 791         }
 792
 793         if ((entered_regionview = rv) != 0) {
 794                 entered_regionview->entered ();
 795         }
 796 }
 797
 798 void
 799 Editor::set_entered_track (TimeAxisView* tav)
 800 {
 801         if (entered_track) {
 802                 entered_track->exited ();
 803         }
 804
 805         if ((entered_track = tav) != 0) {
 806                 entered_track->entered ();
 807         }
 808 }
 809
 810 void
 811 Editor::show_window ()
 812 {
 813         show_all ();
 814         present ();
 815
 816         /* now reset all audio_time_axis heights, because widgets might need
 817            to be re-hidden
 818         */
 819
 820         TimeAxisView *tv;
 821
 822         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 823                 tv = (static_cast<TimeAxisView*>(*i));
 824                 tv->reset_height ();
 825         }
 826 }
 827
 828 void
 829 Editor::tie_vertical_scrolling ()
 830 {
 831         double y1 = vertical_adjustment.get_value();
 832         controls_layout.get_vadjustment()->set_value (y1);
 833         playhead_cursor->set_y_axis(y1);
 834         edit_cursor->set_y_axis(y1);
 835 }
 836
 837 void
 838 Editor::instant_save ()
 839 {
 840         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 841                 return;
 842         }
 843
 844         if (session) {
 845                 session->add_instant_xml(get_state(), session->path());
 846         } else {
 847                 Config->add_instant_xml(get_state(), get_user_ardour_path());
 848         }
 849 }
 850
 851 void
 852 Editor::edit_cursor_clock_changed()
 853 {
 854         if (edit_cursor->current_frame != edit_cursor_clock.current_time()) {
 855                 edit_cursor->set_position (edit_cursor_clock.current_time());
 856         }
 857 }
 858
 859
 860 void
 861 Editor::zoom_adjustment_changed ()
 862 {
 863         if (session == 0) {
 864                 return;
 865         }
 866
 867         double fpu = zoom_range_clock.current_duration() / canvas_width;
 868
 869         if (fpu < 1.0) {
 870                 fpu = 1.0;
 871                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
 872         } else if (fpu > session->current_end_frame() / canvas_width) {
 873                 fpu = session->current_end_frame() / canvas_width;
 874                 zoom_range_clock.set ((nframes_t) floor (fpu * canvas_width));
 875         }
 876
 877         temporal_zoom (fpu);
 878 }
 879
 880 void
 881 Editor::control_scroll (float fraction)
 882 {
 883         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
 884
 885         if (!session) {
 886                 return;
 887         }
 888
 889         double step = fraction * current_page_frames();
 890         nframes_t target;
 891
 892         if ((fraction < 0.0f) && (session->transport_frame() < (nframes_t) fabs(step))) {
 893                 target = 0;
 894         } else if ((fraction > 0.0f) && (max_frames - session->transport_frame() < step)) {
 895                 target = (max_frames - (current_page_frames()*2)); // allow room for slop in where the PH is on the screen
 896         } else {
 897                 target = (session->transport_frame() + (nframes_t) floor ((fraction * current_page_frames())));
 898         }
 899
 900         /* move visuals, we'll catch up with it later */
 901
 902         playhead_cursor->set_position (target);
 903
 904         if (target > (current_page_frames() / 2)) {
 905                 /* try to center PH in window */
 906                 reset_x_origin (target - (current_page_frames()/2));
 907         } else {
 908                 reset_x_origin (0);
 909         }
 910
 911         /* cancel the existing */
 912
 913         control_scroll_connection.disconnect ();
 914
 915         /* add the next one */
 916
 917         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), target), 50);
 918 }
 919
 920 bool
 921 Editor::deferred_control_scroll (nframes_t target)
 922 {
 923         session->request_locate (target);
 924         return false;
 925 }
 926
 927 void
 928 Editor::on_realize ()
 929 {
 930         Window::on_realize ();
 931         Realized ();
 932 }
 933
 934 void
 935 Editor::start_scrolling ()
 936 {
 937         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
 938                 (mem_fun(*this, &Editor::update_current_screen));
 939 }
 940
 941 void
 942 Editor::stop_scrolling ()
 943 {
 944         scroll_connection.disconnect ();
 945 }
 946
 947 void
 948 Editor::map_position_change (nframes_t frame)
 949 {
 950         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
 951
 952         if (session == 0 || !_follow_playhead) {
 953                 return;
 954         }
 955
 956         center_screen (frame);
 957         playhead_cursor->set_position (frame);
 958 }
 959
 960 void
 961 Editor::center_screen (nframes_t frame)
 962 {
 963         double page = canvas_width * frames_per_unit;
 964
 965         /* if we're off the page, then scroll.
 966          */
 967
 968         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
 969                 center_screen_internal (frame, page);
 970         }
 971 }
 972
 973 void
 974 Editor::center_screen_internal (nframes_t frame, float page)
 975 {
 976         page /= 2;
 977
 978         if (frame > page) {
 979                 frame -= (nframes_t) page;
 980         } else {
 981                 frame = 0;
 982         }
 983
 984         reset_x_origin (frame);
 985 }
 986
 987 void
 988 Editor::handle_new_duration ()
 989 {
 990         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
 991
 992         nframes_t new_end = session->get_maximum_extent() + (nframes_t) floorf (current_page_frames() * 0.10f);
 993
 994         if (new_end > last_canvas_frame) {
 995                 last_canvas_frame = new_end;
 996                 horizontal_adjustment.set_upper (last_canvas_frame / frames_per_unit);
 997                 reset_scrolling_region ();
 998         }
 999
1000         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
1001 }
1002
1003 void
1004 Editor::update_title_s (const string & snap_name)
1005 {
1006         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1007
1008         update_title ();
1009 }
1010
1011 void
1012 Editor::update_title ()
1013 {
1014         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1015
1016         if (session) {
1017                 bool dirty = session->dirty();
1018
1019                 string session_name;
1020
1021                 if (session->snap_name() != session->name()) {
1022                         session_name = session->snap_name();
1023                 } else {
1024                         session_name = session->name();
1025                 }
1026
1027                 if (dirty) {
1028                         session_name = "*" + session_name;
1029                 }
1030
1031                 WindowTitle title(session_name);
1032                 title += Glib::get_application_name();
1033                 set_title (title.get_string());
1034         }
1035 }
1036
1037 void
1038 Editor::connect_to_session (Session *t)
1039 {
1040         session = t;
1041
1042         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1043         set_state (*node);
1044
1045         /* catch up with the playhead */
1046
1047         session->request_locate (playhead_cursor->current_frame);
1048
1049         if (first_action_message) {
1050                 first_action_message->hide();
1051         }
1052
1053         update_title ();
1054
1055         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1056         session->history().Changed.connect (mem_fun (*this, &Editor::history_changed));
1057
1058         /* These signals can all be emitted by a non-GUI thread. Therefore the
1059            handlers for them must not attempt to directly interact with the GUI,
1060            but use Gtkmm2ext::UI::instance()->call_slot();
1061         */
1062
1063         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1064         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1065         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1066         session_connections.push_back (session->RegionAdded.connect (mem_fun(*this, &Editor::handle_new_region)));
1067         session_connections.push_back (session->RegionRemoved.connect (mem_fun(*this, &Editor::handle_region_removed)));
1068         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1069         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1070         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1071         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1072         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1073         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1074         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1075         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1076         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1077
1078         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1079
1080         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1081
1082         edit_groups_changed ();
1083
1084         edit_cursor_clock.set_session (session);
1085         zoom_range_clock.set_session (session);
1086         _playlist_selector->set_session (session);
1087         nudge_clock.set_session (session);
1088
1089 #ifdef FFT_ANALYSIS
1090         if (analysis_window != 0)
1091                 analysis_window->set_session (session);
1092 #endif
1093
1094         Location* loc = session->locations()->auto_loop_location();
1095         if (loc == 0) {
1096                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1097                 if (loc->start() == loc->end()) {
1098                         loc->set_end (loc->start() + 1);
1099                 }
1100                 session->locations()->add (loc, false);
1101                 session->set_auto_loop_location (loc);
1102         } else {
1103                 // force name
1104                 loc->set_name (_("Loop"));
1105         }
1106
1107         loc = session->locations()->auto_punch_location();
1108         if (loc == 0) {
1109                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1110                 if (loc->start() == loc->end()) {
1111                         loc->set_end (loc->start() + 1);
1112                 }
1113                 session->locations()->add (loc, false);
1114                 session->set_auto_punch_location (loc);
1115         } else {
1116                 // force name
1117                 loc->set_name (_("Punch"));
1118         }
1119
1120         Config->map_parameters (mem_fun (*this, &Editor::parameter_changed));
1121
1122         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1123
1124         refresh_location_display ();
1125         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1126         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1127         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1128         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1129         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1130
1131         handle_new_duration ();
1132
1133         redisplay_regions ();
1134         redisplay_named_selections ();
1135         redisplay_snapshots ();
1136
1137         initial_route_list_display ();
1138
1139         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1140                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1141         }
1142
1143         restore_ruler_visibility ();
1144         //tempo_map_changed (Change (0));
1145         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1146
1147         start_scrolling ();
1148
1149         /* don't show master bus in a new session */
1150
1151         if (ARDOUR_UI::instance()->session_is_new ()) {
1152
1153                 TreeModel::Children rows = route_display_model->children();
1154                 TreeModel::Children::iterator i;
1155
1156                 no_route_list_redisplay = true;
1157
1158                 for (i = rows.begin(); i != rows.end(); ++i) {
1159                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1160                         RouteTimeAxisView *rtv;
1161
1162                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(tv)) != 0) {
1163                                 if (rtv->route()->master()) {
1164                                         route_list_display.get_selection()->unselect (i);
1165                                 }
1166                         }
1167                 }
1168
1169                 no_route_list_redisplay = false;
1170                 redisplay_route_list ();
1171         }
1172
1173         /* register for undo history */
1174
1175         session->register_with_memento_command_factory(_id, this);
1176 }
1177
1178 void
1179 Editor::build_cursors ()
1180 {
1181         using namespace Gdk;
1182
1183         Gdk::Color mbg ("#000000" ); /* Black */
1184         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1185
1186         {
1187                 RefPtr<Bitmap> source, mask;
1188                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1189                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1190                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1191         }
1192
1193         Gdk::Color fbg ("#ffffff" );
1194         Gdk::Color ffg  ("#000000" );
1195
1196         {
1197                 RefPtr<Bitmap> source, mask;
1198
1199                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1200                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1201                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1202         }
1203
1204         {
1205                 RefPtr<Bitmap> source, mask;
1206                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1207                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1208                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1209         }
1210
1211         grabber_cursor = new Gdk::Cursor (HAND2);
1212         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1213         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1214         selector_cursor = new Gdk::Cursor (XTERM);
1215         time_fx_cursor = new Gdk::Cursor (SIZING);
1216         wait_cursor = new Gdk::Cursor  (WATCH);
1217         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1218 }
1219
1220 void
1221 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1222 {
1223         using namespace Menu_Helpers;
1224         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1225
1226         if (arv == 0) {
1227                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1228                 /*NOTREACHED*/
1229         }
1230
1231         MenuList& items (fade_context_menu.items());
1232
1233         items.clear ();
1234
1235         switch (item_type) {
1236         case FadeInItem:
1237         case FadeInHandleItem:
1238                 if (arv->audio_region()->fade_in_active()) {
1239                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_in_active), false)));
1240                 } else {
1241                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_in_active), true)));
1242                 }
1243
1244                 items.push_back (SeparatorElem());
1245
1246                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1247                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1248                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1249                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1250                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1251                 break;
1252
1253         case FadeOutItem:
1254         case FadeOutHandleItem:
1255                 if (arv->audio_region()->fade_out_active()) {
1256                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_out_active), false)));
1257                 } else {
1258                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_out_active), true)));
1259                 }
1260
1261                 items.push_back (SeparatorElem());
1262
1263                 items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1264                 items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1265                 items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1266                 items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1267                 items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1268
1269                 break;
1270
1271         default:
1272                 fatal << _("programming error: ")
1273                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1274                       << endmsg;
1275                 /*NOTREACHED*/
1276         }
1277
1278         fade_context_menu.popup (button, time);
1279 }
1280
1281 void
1282 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes_t frame)
1283 {
1284         using namespace Menu_Helpers;
1285         Menu* (Editor::*build_menu_function)(nframes_t);
1286         Menu *menu;
1287
1288         switch (item_type) {
1289         case RegionItem:
1290         case RegionViewName:
1291         case RegionViewNameHighlight:
1292                 if (with_selection) {
1293                         build_menu_function = &Editor::build_track_selection_context_menu;
1294                 } else {
1295                         build_menu_function = &Editor::build_track_region_context_menu;
1296                 }
1297                 break;
1298
1299         case SelectionItem:
1300                 if (with_selection) {
1301                         build_menu_function = &Editor::build_track_selection_context_menu;
1302                 } else {
1303                         build_menu_function = &Editor::build_track_context_menu;
1304                 }
1305                 break;
1306
1307         case CrossfadeViewItem:
1308                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1309                 break;
1310
1311         case StreamItem:
1312                 if (clicked_routeview->is_track()) {
1313                         build_menu_function = &Editor::build_track_context_menu;
1314                 } else {
1315                         build_menu_function = &Editor::build_track_bus_context_menu;
1316                 }
1317                 break;
1318
1319         default:
1320                 /* probably shouldn't happen but if it does, we don't care */
1321                 return;
1322         }
1323
1324         menu = (this->*build_menu_function)(frame);
1325         menu->set_name ("ArdourContextMenu");
1326
1327         /* now handle specific situations */
1328
1329         switch (item_type) {
1330         case RegionItem:
1331         case RegionViewName:
1332         case RegionViewNameHighlight:
1333                 if (!with_selection) {
1334                         if (region_edit_menu_split_item) {
1335                                 if (clicked_regionview && clicked_regionview->region()->covers (edit_cursor->current_frame)) {
1336                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, true);
1337                                 } else {
1338                                         ActionManager::set_sensitive (ActionManager::edit_cursor_in_region_sensitive_actions, false);
1339                                 }
1340                         }
1341                         /*
1342                         if (region_edit_menu_split_multichannel_item) {
1343                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1344                                         // GTK2FIX find the action, change its sensitivity
1345                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1346                                 } else {
1347                                         // GTK2FIX see above
1348                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1349                                 }
1350                         }*/
1351                 }
1352                 break;
1353
1354         case SelectionItem:
1355                 break;
1356
1357         case CrossfadeViewItem:
1358                 break;
1359
1360         case StreamItem:
1361                 break;
1362
1363         default:
1364                 /* probably shouldn't happen but if it does, we don't care */
1365                 return;
1366         }
1367
1368         if (clicked_routeview && clicked_routeview->audio_track()) {
1369
1370                 /* Bounce to disk */
1371
1372                 using namespace Menu_Helpers;
1373                 MenuList& edit_items  = menu->items();
1374
1375                 edit_items.push_back (SeparatorElem());
1376
1377                 switch (clicked_routeview->audio_track()->freeze_state()) {
1378                 case AudioTrack::NoFreeze:
1379                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1380                         break;
1381
1382                 case AudioTrack::Frozen:
1383                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1384                         break;
1385
1386                 case AudioTrack::UnFrozen:
1387                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1388                         break;
1389                 }
1390
1391         }
1392
1393         menu->popup (button, time);
1394 }
1395
1396 Menu*
1397 Editor::build_track_context_menu (nframes_t ignored)
1398 {
1399         using namespace Menu_Helpers;
1400
1401         MenuList& edit_items = track_context_menu.items();
1402         edit_items.clear();
1403
1404         add_dstream_context_items (edit_items);
1405         return &track_context_menu;
1406 }
1407
1408 Menu*
1409 Editor::build_track_bus_context_menu (nframes_t ignored)
1410 {
1411         using namespace Menu_Helpers;
1412
1413         MenuList& edit_items = track_context_menu.items();
1414         edit_items.clear();
1415
1416         add_bus_context_items (edit_items);
1417         return &track_context_menu;
1418 }
1419
1420 Menu*
1421 Editor::build_track_region_context_menu (nframes_t frame)
1422 {
1423         using namespace Menu_Helpers;
1424         MenuList& edit_items  = track_region_context_menu.items();
1425         edit_items.clear();
1426
1427         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1428
1429         if (atv) {
1430                 boost::shared_ptr<Diskstream> ds;
1431                 boost::shared_ptr<Playlist> pl;
1432
1433                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
1434                         Playlist::RegionList* regions = pl->regions_at ((nframes_t) floor ( (double)frame * ds->speed()));
1435                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1436                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1437                         }
1438                         delete regions;
1439                 }
1440         }
1441
1442         add_dstream_context_items (edit_items);
1443
1444         return &track_region_context_menu;
1445 }
1446
1447 Menu*
1448 Editor::build_track_crossfade_context_menu (nframes_t frame)
1449 {
1450         using namespace Menu_Helpers;
1451         MenuList& edit_items  = track_crossfade_context_menu.items();
1452         edit_items.clear ();
1453
1454         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1455
1456         if (atv) {
1457                 boost::shared_ptr<Diskstream> ds;
1458                 boost::shared_ptr<Playlist> pl;
1459                 boost::shared_ptr<AudioPlaylist> apl;
1460
1461                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1462
1463                         Playlist::RegionList* regions = pl->regions_at (frame);
1464                         AudioPlaylist::Crossfades xfades;
1465
1466                         apl->crossfades_at (frame, xfades);
1467
1468                         bool many = xfades.size() > 1;
1469
1470                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1471                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1472                         }
1473
1474                         for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1475                                 add_region_context_items (atv->audio_view(), (*i), edit_items);
1476                         }
1477
1478                         delete regions;
1479                 }
1480         }
1481
1482         add_dstream_context_items (edit_items);
1483
1484         return &track_crossfade_context_menu;
1485 }
1486
1487 #ifdef FFT_ANALYSIS
1488 void
1489 Editor::analyze_region_selection()
1490 {
1491         if (analysis_window == 0) {
1492                 analysis_window = new AnalysisWindow();
1493
1494                 if (session != 0)
1495                         analysis_window->set_session(session);
1496
1497                 analysis_window->show_all();
1498         }
1499
1500         analysis_window->set_regionmode();
1501         analysis_window->analyze();
1502
1503         analysis_window->present();
1504 }
1505
1506 void
1507 Editor::analyze_range_selection()
1508 {
1509         if (analysis_window == 0) {
1510                 analysis_window = new AnalysisWindow();
1511
1512                 if (session != 0)
1513                         analysis_window->set_session(session);
1514
1515                 analysis_window->show_all();
1516         }
1517
1518         analysis_window->set_rangemode();
1519         analysis_window->analyze();
1520
1521         analysis_window->present();
1522 }
1523 #endif /* FFT_ANALYSIS */
1524
1525
1526
1527 Menu*
1528 Editor::build_track_selection_context_menu (nframes_t ignored)
1529 {
1530         using namespace Menu_Helpers;
1531         MenuList& edit_items  = track_selection_context_menu.items();
1532         edit_items.clear ();
1533
1534         add_selection_context_items (edit_items);
1535         add_dstream_context_items (edit_items);
1536
1537         return &track_selection_context_menu;
1538 }
1539
1540 void
1541 Editor::add_crossfade_context_items (AudioStreamView* view, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1542 {
1543         using namespace Menu_Helpers;
1544         Menu     *xfade_menu = manage (new Menu);
1545         MenuList& items       = xfade_menu->items();
1546         xfade_menu->set_name ("ArdourContextMenu");
1547         string str;
1548
1549         if (xfade->active()) {
1550                 str = _("Mute");
1551         } else {
1552                 str = _("Unmute");
1553         }
1554
1555         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1556         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1557
1558         if (xfade->can_follow_overlap()) {
1559
1560                 if (xfade->following_overlap()) {
1561                         str = _("Convert to short");
1562                 } else {
1563                         str = _("Convert to full");
1564                 }
1565
1566                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1567         }
1568
1569         if (many) {
1570                 str = xfade->out()->name();
1571                 str += "->";
1572                 str += xfade->in()->name();
1573         } else {
1574                 str = _("Crossfade");
1575         }
1576
1577         edit_items.push_back (MenuElem (str, *xfade_menu));
1578         edit_items.push_back (SeparatorElem());
1579 }
1580
1581 void
1582 Editor::xfade_edit_left_region ()
1583 {
1584         if (clicked_crossfadeview) {
1585                 clicked_crossfadeview->left_view.show_region_editor ();
1586         }
1587 }
1588
1589 void
1590 Editor::xfade_edit_right_region ()
1591 {
1592         if (clicked_crossfadeview) {
1593                 clicked_crossfadeview->right_view.show_region_editor ();
1594         }
1595 }
1596
1597 void
1598 Editor::add_region_context_items (AudioStreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1599 {
1600         using namespace Menu_Helpers;
1601         Menu     *region_menu = manage (new Menu);
1602         MenuList& items       = region_menu->items();
1603         region_menu->set_name ("ArdourContextMenu");
1604
1605         boost::shared_ptr<AudioRegion> ar;
1606
1607         if (region) {
1608                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1609         }
1610
1611         /* when this particular menu pops up, make the relevant region
1612            become selected.
1613         */
1614
1615         region_menu->signal_map_event().connect (bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1616
1617         items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1618         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1619         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1620         items.push_back (SeparatorElem());
1621         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_cursor)));
1622         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1623         items.push_back (SeparatorElem());
1624
1625         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::audition_selected_region)));
1626         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1627         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1628
1629 #ifdef FFT_ANALYSIS
1630         items.push_back (MenuElem (_("Analyze region"), mem_fun(*this, &Editor::analyze_region_selection)));
1631 #endif
1632
1633         items.push_back (SeparatorElem());
1634
1635         sigc::connection fooc;
1636
1637         items.push_back (CheckMenuElem (_("Lock")));
1638         region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1639         fooc = region_lock_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_lock));
1640         if (region->locked()) {
1641                 fooc.block (true);
1642                 region_lock_item->set_active();
1643                 fooc.block (false);
1644         }
1645         items.push_back (CheckMenuElem (_("Mute")));
1646         region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1647         fooc = region_mute_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_mute));
1648         if (region->muted()) {
1649                 fooc.block (true);
1650                 region_mute_item->set_active();
1651                 fooc.block (false);
1652         }
1653
1654         items.push_back (CheckMenuElem (_("Opaque")));
1655         region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1656         fooc = region_opaque_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_opaque));
1657         if (region->opaque()) {
1658                 fooc.block (true);
1659                 region_opaque_item->set_active();
1660                 fooc.block (false);
1661         }
1662
1663         items.push_back (CheckMenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1664         if (region->at_natural_position()) {
1665                 items.back().set_sensitive (false);
1666         }
1667
1668         items.push_back (SeparatorElem());
1669
1670         if (ar) {
1671
1672                 RegionView* rv = sv->find_view (ar);
1673                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1674
1675                 items.push_back (MenuElem (_("Reset Envelope"), mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1676
1677                 items.push_back (CheckMenuElem (_("Envelope Visible")));
1678                 region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1679                 fooc = region_envelope_visible_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_gain_envelope_visibility));
1680                 if (arv->envelope_visible()) {
1681                         fooc.block (true);
1682                         region_envelope_visible_item->set_active (true);
1683                         fooc.block (false);
1684                 }
1685
1686                 items.push_back (CheckMenuElem (_("Envelope Active")));
1687                 region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1688                 fooc = region_envelope_active_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_gain_envelope_active));
1689
1690                 if (ar->envelope_active()) {
1691                         fooc.block (true);
1692                         region_envelope_active_item->set_active (true);
1693                         fooc.block (false);
1694                 }
1695
1696                 items.push_back (SeparatorElem());
1697
1698                 if (ar->scale_amplitude() != 1.0f) {
1699                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
1700                 } else {
1701                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
1702                 }
1703         }
1704         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
1705         items.push_back (SeparatorElem());
1706
1707
1708         /* range related stuff */
1709
1710         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
1711         items.push_back (MenuElem (_("Set Range Selection"), mem_fun (*this, &Editor::set_selection_from_audio_region)));
1712         items.push_back (SeparatorElem());
1713
1714         /* Nudge region */
1715
1716         Menu *nudge_menu = manage (new Menu());
1717         MenuList& nudge_items = nudge_menu->items();
1718         nudge_menu->set_name ("ArdourContextMenu");
1719
1720         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false))));
1721         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false))));
1722         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
1723         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
1724
1725         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1726         items.push_back (SeparatorElem());
1727
1728         Menu *trim_menu = manage (new Menu);
1729         MenuList& trim_items = trim_menu->items();
1730         trim_menu->set_name ("ArdourContextMenu");
1731
1732         trim_items.push_back (MenuElem (_("Start to edit cursor"), mem_fun(*this, &Editor::trim_region_from_edit_cursor)));
1733         trim_items.push_back (MenuElem (_("Edit cursor to end"), mem_fun(*this, &Editor::trim_region_to_edit_cursor)));
1734
1735         items.push_back (MenuElem (_("Trim"), *trim_menu));
1736         items.push_back (SeparatorElem());
1737
1738         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
1739         region_edit_menu_split_item = &items.back();
1740
1741         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
1742         region_edit_menu_split_multichannel_item = &items.back();
1743
1744         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
1745         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
1746         items.push_back (SeparatorElem());
1747         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_clicked_region)));
1748
1749         /* OK, stick the region submenu at the top of the list, and then add
1750            the standard items.
1751         */
1752
1753         /* we have to hack up the region name because "_" has a special
1754            meaning for menu titles.
1755         */
1756
1757         string::size_type pos = 0;
1758         string menu_item_name = region->name();
1759
1760         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
1761                 menu_item_name.replace (pos, 1, "__");
1762                 pos += 2;
1763         }
1764
1765         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
1766         edit_items.push_back (SeparatorElem());
1767 }
1768
1769 void
1770 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
1771 {
1772         using namespace Menu_Helpers;
1773         Menu     *selection_menu = manage (new Menu);
1774         MenuList& items       = selection_menu->items();
1775         selection_menu->set_name ("ArdourContextMenu");
1776
1777         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
1778         items.push_back (MenuElem (_("Loop range"), mem_fun(*this, &Editor::set_route_loop_selection)));
1779
1780 #ifdef FFT_ANALYSIS
1781         items.push_back (SeparatorElem());
1782         items.push_back (MenuElem (_("Analyze range"), mem_fun(*this, &Editor::analyze_range_selection)));
1783 #endif
1784
1785         items.push_back (SeparatorElem());
1786         items.push_back (MenuElem (_("Separate range to track"), mem_fun(*this, &Editor::separate_region_from_selection)));
1787         items.push_back (MenuElem (_("Separate range to region list"), mem_fun(*this, &Editor::new_region_from_selection)));
1788
1789         items.push_back (SeparatorElem());
1790         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
1791         items.push_back (SeparatorElem());
1792         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_selection)));
1793         items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1794         items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1795         items.push_back (SeparatorElem());
1796         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
1797         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
1798         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
1799         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::create_named_selection)));
1800         items.push_back (SeparatorElem());
1801         items.push_back (MenuElem (_("Bounce range"), mem_fun(*this, &Editor::bounce_range_selection)));
1802         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_selection)));
1803
1804         edit_items.push_back (MenuElem (_("Range"), *selection_menu));
1805         edit_items.push_back (SeparatorElem());
1806 }
1807
1808 void
1809 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
1810 {
1811         using namespace Menu_Helpers;
1812
1813         /* Playback */
1814
1815         Menu *play_menu = manage (new Menu);
1816         MenuList& play_items = play_menu->items();
1817         play_menu->set_name ("ArdourContextMenu");
1818
1819         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1820         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1821         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
1822         play_items.push_back (SeparatorElem());
1823         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
1824
1825         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1826
1827         /* Selection */
1828
1829         Menu *select_menu = manage (new Menu);
1830         MenuList& select_items = select_menu->items();
1831         select_menu->set_name ("ArdourContextMenu");
1832
1833         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1834         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1835         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1836         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1837         select_items.push_back (SeparatorElem());
1838         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
1839         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
1840         select_items.push_back (SeparatorElem());
1841         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1842         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1843         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1844         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1845         select_items.push_back (MenuElem (_("Select all between cursors"), bind (mem_fun(*this, &Editor::select_all_selectables_between_cursors), playhead_cursor, edit_cursor)));
1846         select_items.push_back (SeparatorElem());
1847
1848         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1849
1850         /* Cut-n-Paste */
1851
1852         Menu *cutnpaste_menu = manage (new Menu);
1853         MenuList& cutnpaste_items = cutnpaste_menu->items();
1854         cutnpaste_menu->set_name ("ArdourContextMenu");
1855
1856         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1857         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1858         cutnpaste_items.push_back (MenuElem (_("Paste at edit cursor"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1859         cutnpaste_items.push_back (MenuElem (_("Paste at mouse"), mem_fun(*this, &Editor::mouse_paste)));
1860
1861         cutnpaste_items.push_back (SeparatorElem());
1862
1863         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
1864         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
1865
1866         cutnpaste_items.push_back (SeparatorElem());
1867
1868         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
1869
1870         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
1871
1872         /* Adding new material */
1873
1874         edit_items.push_back (SeparatorElem());
1875         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
1876         edit_items.push_back (MenuElem (_("Insert Existing Audio"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
1877
1878         /* Nudge track */
1879
1880         Menu *nudge_menu = manage (new Menu());
1881         MenuList& nudge_items = nudge_menu->items();
1882         nudge_menu->set_name ("ArdourContextMenu");
1883
1884         edit_items.push_back (SeparatorElem());
1885         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
1886         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
1887         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
1888         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
1889
1890         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1891 }
1892
1893 void
1894 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
1895 {
1896         using namespace Menu_Helpers;
1897
1898         /* Playback */
1899
1900         Menu *play_menu = manage (new Menu);
1901         MenuList& play_items = play_menu->items();
1902         play_menu->set_name ("ArdourContextMenu");
1903
1904         play_items.push_back (MenuElem (_("Play from edit cursor"), mem_fun(*this, &Editor::play_from_edit_cursor)));
1905         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
1906         edit_items.push_back (MenuElem (_("Play"), *play_menu));
1907
1908         /* Selection */
1909
1910         Menu *select_menu = manage (new Menu);
1911         MenuList& select_items = select_menu->items();
1912         select_menu->set_name ("ArdourContextMenu");
1913
1914         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
1915         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
1916         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
1917         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
1918         select_items.push_back (SeparatorElem());
1919         select_items.push_back (MenuElem (_("Select all after edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, true)));
1920         select_items.push_back (MenuElem (_("Select all before edit cursor"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), edit_cursor, false)));
1921         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
1922         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
1923
1924         edit_items.push_back (MenuElem (_("Select"), *select_menu));
1925
1926         /* Cut-n-Paste */
1927
1928         Menu *cutnpaste_menu = manage (new Menu);
1929         MenuList& cutnpaste_items = cutnpaste_menu->items();
1930         cutnpaste_menu->set_name ("ArdourContextMenu");
1931
1932         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
1933         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
1934         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
1935
1936         Menu *nudge_menu = manage (new Menu());
1937         MenuList& nudge_items = nudge_menu->items();
1938         nudge_menu->set_name ("ArdourContextMenu");
1939
1940         edit_items.push_back (SeparatorElem());
1941         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
1942         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
1943         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
1944         nudge_items.push_back (MenuElem (_("Nudge track after edit cursor bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
1945
1946         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
1947 }
1948
1949 /* CURSOR SETTING AND MARKS AND STUFF */
1950
1951 void
1952 Editor::set_snap_to (SnapType st)
1953 {
1954         snap_type = st;
1955         string str = snap_type_strings[(int) st];
1956
1957         if (str != snap_type_selector.get_active_text()) {
1958                 snap_type_selector.set_active_text (str);
1959         }
1960
1961         instant_save ();
1962
1963         switch (snap_type) {
1964         case SnapToAThirtysecondBeat:
1965         case SnapToASixteenthBeat:
1966         case SnapToAEighthBeat:
1967         case SnapToAQuarterBeat:
1968         case SnapToAThirdBeat:
1969                 update_tempo_based_rulers ();
1970         default:
1971                 /* relax */
1972                 break;
1973     }
1974 }
1975
1976 void
1977 Editor::set_snap_mode (SnapMode mode)
1978 {
1979         snap_mode = mode;
1980         string str = snap_mode_strings[(int)mode];
1981
1982         if (str != snap_mode_selector.get_active_text ()) {
1983                 snap_mode_selector.set_active_text (str);
1984         }
1985
1986         instant_save ();
1987 }
1988
1989 int
1990 Editor::set_state (const XMLNode& node)
1991 {
1992         const XMLProperty* prop;
1993         XMLNode* geometry;
1994         int x, y, xoff, yoff;
1995         Gdk::Geometry g;
1996
1997         if ((prop = node.property ("id")) != 0) {
1998                 _id = prop->value ();
1999         }
2000
2001         if ((geometry = find_named_node (node, "geometry")) == 0) {
2002
2003                 g.base_width = default_width;
2004                 g.base_height = default_height;
2005                 x = 1;
2006                 y = 1;
2007                 xoff = 0;
2008                 yoff = 21;
2009
2010         } else {
2011
2012                 g.base_width = atoi(geometry->property("x_size")->value());
2013                 g.base_height = atoi(geometry->property("y_size")->value());
2014                 x = atoi(geometry->property("x_pos")->value());
2015                 y = atoi(geometry->property("y_pos")->value());
2016                 xoff = atoi(geometry->property("x_off")->value());
2017                 yoff = atoi(geometry->property("y_off")->value());
2018         }
2019
2020         set_default_size (g.base_width, g.base_height);
2021         move (x, y);
2022
2023         if (session && (prop = node.property ("playhead"))) {
2024                 nframes_t pos = atol (prop->value().c_str());
2025                 playhead_cursor->set_position (pos);
2026         } else {
2027                 playhead_cursor->set_position (0);
2028
2029                 /* reset_x_origin() doesn't work right here, since the old
2030                    position may be zero already, and it does nothing in such
2031                    circumstances.
2032                 */
2033
2034                 leftmost_frame = 0;
2035                 horizontal_adjustment.set_value (0);
2036         }
2037
2038         if (session && (prop = node.property ("edit-cursor"))) {
2039                 nframes_t pos = atol (prop->value().c_str());
2040                 edit_cursor->set_position (pos);
2041         } else {
2042                 edit_cursor->set_position (0);
2043         }
2044
2045         if ((prop = node.property ("zoom-focus"))) {
2046                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2047         }
2048
2049         if ((prop = node.property ("zoom"))) {
2050                 reset_zoom (PBD::atof (prop->value()));
2051         }
2052
2053         if ((prop = node.property ("snap-to"))) {
2054                 set_snap_to ((SnapType) atoi (prop->value()));
2055         }
2056
2057         if ((prop = node.property ("snap-mode"))) {
2058                 set_snap_mode ((SnapMode) atoi (prop->value()));
2059         }
2060
2061         if ((prop = node.property ("mouse-mode"))) {
2062                 MouseMode m = str2mousemode(prop->value());
2063                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2064                 set_mouse_mode (m, true);
2065         } else {
2066                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2067                 set_mouse_mode (MouseObject, true);
2068         }
2069
2070         if ((prop = node.property ("show-waveforms"))) {
2071                 bool yn = (prop->value() == "yes");
2072                 _show_waveforms = !yn;
2073                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformVisibility"));
2074                 if (act) {
2075                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2076                         /* do it twice to force the change */
2077                         tact->set_active (!yn);
2078                         tact->set_active (yn);
2079                 }
2080         }
2081
2082         if ((prop = node.property ("show-waveforms-recording"))) {
2083                 bool yn = (prop->value() == "yes");
2084                 _show_waveforms_recording = !yn;
2085                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2086                 if (act) {
2087                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2088                         /* do it twice to force the change */
2089                         tact->set_active (!yn);
2090                         tact->set_active (yn);
2091                 }
2092         }
2093
2094         if ((prop = node.property ("show-measures"))) {
2095                 bool yn = (prop->value() == "yes");
2096                 _show_measures = !yn;
2097                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2098                 if (act) {
2099                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2100                         /* do it twice to force the change */
2101                         tact->set_active (!yn);
2102                         tact->set_active (yn);
2103                 }
2104         }
2105
2106         if ((prop = node.property ("follow-playhead"))) {
2107                 bool yn = (prop->value() == "yes");
2108                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2109                 if (act) {
2110                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2111                         /* do it twice to force the change */
2112                         tact->set_active (!yn);
2113                         tact->set_active (yn);
2114                 }
2115         }
2116
2117
2118         if ((prop = node.property ("region-list-sort-type"))) {
2119                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change
2120                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2121         }
2122
2123         if ((prop = node.property ("xfades-visible"))) {
2124                 bool yn = (prop->value() == "yes");
2125                 _xfade_visibility = !yn;
2126                 // set_xfade_visibility (yn);
2127         }
2128
2129         if ((prop = node.property ("show-editor-mixer"))) {
2130
2131                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2132                 if (act) {
2133
2134                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2135                         bool yn = (prop->value() == X_("yes"));
2136
2137                         /* do it twice to force the change */
2138
2139                         tact->set_active (!yn);
2140                         tact->set_active (yn);
2141                 }
2142         }
2143
2144
2145         return 0;
2146 }
2147
2148 XMLNode&
2149 Editor::get_state ()
2150 {
2151         XMLNode* node = new XMLNode ("Editor");
2152         char buf[32];
2153
2154         _id.print (buf, sizeof (buf));
2155         node->add_property ("id", buf);
2156
2157         if (is_realized()) {
2158                 Glib::RefPtr<Gdk::Window> win = get_window();
2159
2160                 int x, y, xoff, yoff, width, height;
2161                 win->get_root_origin(x, y);
2162                 win->get_position(xoff, yoff);
2163                 win->get_size(width, height);
2164
2165                 XMLNode* geometry = new XMLNode ("geometry");
2166
2167                 snprintf(buf, sizeof(buf), "%d", width);
2168                 geometry->add_property("x_size", string(buf));
2169                 snprintf(buf, sizeof(buf), "%d", height);
2170                 geometry->add_property("y_size", string(buf));
2171                 snprintf(buf, sizeof(buf), "%d", x);
2172                 geometry->add_property("x_pos", string(buf));
2173                 snprintf(buf, sizeof(buf), "%d", y);
2174                 geometry->add_property("y_pos", string(buf));
2175                 snprintf(buf, sizeof(buf), "%d", xoff);
2176                 geometry->add_property("x_off", string(buf));
2177                 snprintf(buf, sizeof(buf), "%d", yoff);
2178                 geometry->add_property("y_off", string(buf));
2179                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2180                 geometry->add_property("edit_pane_pos", string(buf));
2181
2182                 node->add_child_nocopy (*geometry);
2183         }
2184
2185         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2186         node->add_property ("zoom-focus", buf);
2187         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2188         node->add_property ("zoom", buf);
2189         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2190         node->add_property ("snap-to", buf);
2191         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2192         node->add_property ("snap-mode", buf);
2193
2194         snprintf (buf, sizeof (buf), "%" PRIu32, playhead_cursor->current_frame);
2195         node->add_property ("playhead", buf);
2196         snprintf (buf, sizeof (buf), "%" PRIu32, edit_cursor->current_frame);
2197         node->add_property ("edit-cursor", buf);
2198
2199         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2200         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2201         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2202         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2203         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2204         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2205         node->add_property ("mouse-mode", enum2str(mouse_mode));
2206
2207         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2208         if (act) {
2209                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2210                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2211         }
2212
2213         return *node;
2214 }
2215
2216
2217
2218 TimeAxisView *
2219 Editor::trackview_by_y_position (double y)
2220 {
2221         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2222
2223                 TimeAxisView *tv;
2224
2225                 if ((tv = (*iter)->covers_y_position (y)) != 0) {
2226                         return tv;
2227                 }
2228         }
2229
2230         return 0;
2231 }
2232
2233 void
2234 Editor::snap_to (nframes_t& start, int32_t direction, bool for_mark)
2235 {
2236         Location* before = 0;
2237         Location* after = 0;
2238
2239         if (!session) {
2240                 return;
2241         }
2242
2243         const nframes_t one_second = session->frame_rate();
2244         const nframes_t one_minute = session->frame_rate() * 60;
2245         const nframes_t one_smpte_second = (nframes_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame());
2246         nframes_t one_smpte_minute = (nframes_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame() * 60);
2247         nframes_t presnap = start;
2248
2249         switch (snap_type) {
2250         case SnapToFrame:
2251                 break;
2252
2253         case SnapToCDFrame:
2254                 if (direction) {
2255                         start = (nframes_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2256                 } else {
2257                         start = (nframes_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2258                 }
2259                 break;
2260
2261         case SnapToSMPTEFrame:
2262                 if (fmod((double)start, (double)session->frames_per_smpte_frame()) > (session->frames_per_smpte_frame() / 2)) {
2263                         start = (nframes_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2264                 } else {
2265                         start = (nframes_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2266                 }
2267                 break;
2268
2269         case SnapToSMPTESeconds:
2270                 if (session->smpte_offset_negative())
2271                 {
2272                         start += session->smpte_offset ();
2273                 } else {
2274                         start -= session->smpte_offset ();
2275                 }
2276                 if (start % one_smpte_second > one_smpte_second / 2) {
2277                         start = (nframes_t) ceil ((double) start / one_smpte_second) * one_smpte_second;
2278                 } else {
2279                         start = (nframes_t) floor ((double) start / one_smpte_second) * one_smpte_second;
2280                 }
2281
2282                 if (session->smpte_offset_negative())
2283                 {
2284                         start -= session->smpte_offset ();
2285                 } else {
2286                         start += session->smpte_offset ();
2287                 }
2288                 break;
2289
2290         case SnapToSMPTEMinutes:
2291                 if (session->smpte_offset_negative())
2292                 {
2293                         start += session->smpte_offset ();
2294                 } else {
2295                         start -= session->smpte_offset ();
2296                 }
2297                 if (start % one_smpte_minute > one_smpte_minute / 2) {
2298                         start = (nframes_t) ceil ((double) start / one_smpte_minute) * one_smpte_minute;
2299                 } else {
2300                         start = (nframes_t) floor ((double) start / one_smpte_minute) * one_smpte_minute;
2301                 }
2302                 if (session->smpte_offset_negative())
2303                 {
2304                         start -= session->smpte_offset ();
2305                 } else {
2306                         start += session->smpte_offset ();
2307                 }
2308                 break;
2309
2310         case SnapToSeconds:
2311                 if (start % one_second > one_second / 2) {
2312                         start = (nframes_t) ceil ((double) start / one_second) * one_second;
2313                 } else {
2314                         start = (nframes_t) floor ((double) start / one_second) * one_second;
2315                 }
2316                 break;
2317
2318         case SnapToMinutes:
2319                 if (start % one_minute > one_minute / 2) {
2320                         start = (nframes_t) ceil ((double) start / one_minute) * one_minute;
2321                 } else {
2322                         start = (nframes_t) floor ((double) start / one_minute) * one_minute;
2323                 }
2324                 break;
2325
2326         case SnapToBar:
2327                 start = session->tempo_map().round_to_bar (start, direction);
2328                 break;
2329
2330         case SnapToBeat:
2331                 start = session->tempo_map().round_to_beat (start, direction);
2332                 break;
2333
2334         case SnapToAThirtysecondBeat:
2335                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2336                 break;
2337
2338         case SnapToASixteenthBeat:
2339                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2340                 break;
2341
2342         case SnapToAEighthBeat:
2343                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2344                 break;
2345
2346         case SnapToAQuarterBeat:
2347                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2348                 break;
2349
2350         case SnapToAThirdBeat:
2351                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2352                 break;
2353
2354         case SnapToEditCursor:
2355                 start = edit_cursor->current_frame;
2356                 break;
2357
2358         case SnapToMark:
2359                 if (for_mark) {
2360                         return;
2361                 }
2362
2363                 before = session->locations()->first_location_before (start);
2364                 after = session->locations()->first_location_after (start);
2365
2366                 if (direction < 0) {
2367                         if (before) {
2368                                 start = before->start();
2369                         } else {
2370                                 start = 0;
2371                         }
2372                 } else if (direction > 0) {
2373                         if (after) {
2374                                 start = after->start();
2375                         } else {
2376                                 start = session->current_end_frame();
2377                         }
2378                 } else {
2379                         if (before) {
2380                                 if (after) {
2381                                         /* find nearest of the two */
2382                                         if ((start - before->start()) < (after->start() - start)) {
2383                                                 start = before->start();
2384                                         } else {
2385                                                 start = after->start();
2386                                         }
2387                                 } else {
2388                                         start = before->start();
2389                                 }
2390                         } else if (after) {
2391                                 start = after->start();
2392                         } else {
2393                                 /* relax */
2394                         }
2395                 }
2396                 break;
2397
2398         case SnapToRegionStart:
2399         case SnapToRegionEnd:
2400         case SnapToRegionSync:
2401         case SnapToRegionBoundary:
2402                 if (!region_boundary_cache.empty()) {
2403                         vector<nframes_t>::iterator i;
2404
2405                         if (direction > 0) {
2406                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2407                         } else {
2408                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2409                         }
2410
2411                         if (i != region_boundary_cache.end()) {
2412                                 start = *i;
2413                         } else {
2414                                 start = region_boundary_cache.back();
2415                         }
2416                 }
2417                 break;
2418         }
2419
2420         switch (snap_mode) {
2421         case SnapNormal:
2422                 return;
2423
2424         case SnapMagnetic:
2425
2426                 if (presnap > start) {
2427                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2428                                 start = presnap;
2429                         }
2430
2431                 } else if (presnap < start) {
2432                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2433                                 start = presnap;
2434                         }
2435                 }
2436
2437         default:
2438                 return;
2439
2440         }
2441 }
2442
2443 void
2444 Editor::setup_toolbar ()
2445 {
2446         string pixmap_path;
2447
2448         const guint32 FUDGE = 18; // Combo's are stupid - they steal space from the entry for the button
2449
2450
2451         /* Mode Buttons (tool selection) */
2452
2453         vector<ToggleButton *> mouse_mode_buttons;
2454
2455         mouse_move_button.add (*(manage (new Image (::get_icon("tool_object")))));
2456         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2457         mouse_mode_buttons.push_back (&mouse_move_button);
2458         mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2459         mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2460         mouse_mode_buttons.push_back (&mouse_select_button);
2461         mouse_gain_button.add (*(manage (new Image (::get_icon("tool_gain")))));
2462         mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2463         mouse_mode_buttons.push_back (&mouse_gain_button);
2464         mouse_zoom_button.add (*(manage (new Image (::get_icon("tool_zoom")))));
2465         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2466         mouse_mode_buttons.push_back (&mouse_zoom_button);
2467         mouse_timefx_button.add (*(manage (new Image (::get_icon("tool_stretch")))));
2468         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2469         mouse_mode_buttons.push_back (&mouse_timefx_button);
2470         mouse_audition_button.add (*(manage (new Image (::get_icon("tool_audition")))));
2471         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2472         mouse_mode_buttons.push_back (&mouse_audition_button);
2473
2474         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2475
2476         HBox* mode_box = manage(new HBox);
2477         mode_box->set_border_width (2);
2478         mode_box->set_spacing(4);
2479         mouse_mode_button_box.set_spacing(1);
2480         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2481         mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2482         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2483         mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2484         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2485         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2486         mouse_mode_button_box.set_homogeneous(true);
2487
2488         vector<string> edit_mode_strings;
2489         edit_mode_strings.push_back (edit_mode_to_string (Splice));
2490         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2491
2492         edit_mode_selector.set_name ("EditModeSelector");
2493         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, longest (edit_mode_strings).c_str(), 2+FUDGE, 10);
2494         set_popdown_strings (edit_mode_selector, edit_mode_strings);
2495         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2496
2497         mode_box->pack_start(edit_mode_selector);
2498         mode_box->pack_start(mouse_mode_button_box);
2499
2500         mouse_mode_tearoff = manage (new TearOff (*mode_box));
2501         mouse_mode_tearoff->set_name ("MouseModeBase");
2502
2503         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2504                                                   &mouse_mode_tearoff->tearoff_window()));
2505         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2506                                                   &mouse_mode_tearoff->tearoff_window(), 1));
2507         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2508                                                   &mouse_mode_tearoff->tearoff_window()));
2509         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2510                                                    &mouse_mode_tearoff->tearoff_window(), 1));
2511
2512         mouse_move_button.set_name ("MouseModeButton");
2513         mouse_select_button.set_name ("MouseModeButton");
2514         mouse_gain_button.set_name ("MouseModeButton");
2515         mouse_zoom_button.set_name ("MouseModeButton");
2516         mouse_timefx_button.set_name ("MouseModeButton");
2517         mouse_audition_button.set_name ("MouseModeButton");
2518
2519         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
2520         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
2521         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
2522         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
2523         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
2524         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
2525
2526         mouse_move_button.unset_flags (CAN_FOCUS);
2527         mouse_select_button.unset_flags (CAN_FOCUS);
2528         mouse_gain_button.unset_flags (CAN_FOCUS);
2529         mouse_zoom_button.unset_flags (CAN_FOCUS);
2530         mouse_timefx_button.unset_flags (CAN_FOCUS);
2531         mouse_audition_button.unset_flags (CAN_FOCUS);
2532
2533         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
2534         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
2535
2536         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
2537         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
2538         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
2539         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
2540         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
2541
2542         // mouse_move_button.set_active (true);
2543
2544
2545         /* Zoom */
2546
2547         zoom_box.set_spacing (1);
2548         zoom_box.set_border_width (2);
2549
2550         zoom_in_button.set_name ("EditorTimeButton");
2551         zoom_in_button.set_size_request(-1,16);
2552         zoom_in_button.add (*(manage (new Image (::get_icon("zoom_in")))));
2553         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
2554         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
2555
2556         zoom_out_button.set_name ("EditorTimeButton");
2557         zoom_out_button.set_size_request(-1,16);
2558         zoom_out_button.add (*(manage (new Image (::get_icon("zoom_out")))));
2559         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
2560         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
2561
2562         zoom_out_full_button.set_name ("EditorTimeButton");
2563         zoom_out_full_button.set_size_request(-1,16);
2564         zoom_out_full_button.add (*(manage (new Image (::get_icon("zoom_full")))));
2565         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
2566         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
2567
2568         zoom_focus_selector.set_name ("ZoomFocusSelector");
2569         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, "Edit Cursor", FUDGE, 0);
2570         set_popdown_strings (zoom_focus_selector, zoom_focus_strings);
2571         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
2572         ARDOUR_UI::instance()->tooltips().set_tip (zoom_focus_selector, _("Zoom focus"));
2573
2574         zoom_box.pack_start (zoom_focus_selector, true, true);
2575         zoom_box.pack_start (zoom_out_button, false, false);
2576         zoom_box.pack_start (zoom_in_button, false, false);
2577         zoom_box.pack_start (zoom_out_full_button, false, false);
2578
2579         /* Edit Cursor / Snap */
2580
2581         snap_box.set_spacing (1);
2582         snap_box.set_border_width (2);
2583
2584         snap_type_selector.set_name ("SnapTypeSelector");
2585         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, "SMPTE Seconds", 2+FUDGE, 10);
2586         set_popdown_strings (snap_type_selector, snap_type_strings);
2587         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
2588         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Unit to snap cursors and ranges to"));
2589
2590         snap_mode_selector.set_name ("SnapModeSelector");
2591         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, "Magnetic Snap", 2+FUDGE, 10);
2592         set_popdown_strings (snap_mode_selector, snap_mode_strings);
2593         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
2594
2595         snap_box.pack_start (edit_cursor_clock, false, false);
2596         snap_box.pack_start (snap_mode_selector, false, false);
2597         snap_box.pack_start (snap_type_selector, false, false);
2598
2599
2600         /* Nudge */
2601
2602         HBox *nudge_box = manage (new HBox);
2603         nudge_box->set_spacing(1);
2604         nudge_box->set_border_width (2);
2605
2606         nudge_forward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_forward), false));
2607         nudge_backward_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::nudge_backward), false));
2608
2609         nudge_box->pack_start (nudge_backward_button, false, false);
2610         nudge_box->pack_start (nudge_forward_button, false, false);
2611         nudge_box->pack_start (nudge_clock, false, false);
2612
2613
2614         /* Pack everything in... */
2615
2616         HBox* hbox = new HBox;
2617         hbox->set_spacing(10);
2618
2619         tools_tearoff = new TearOff (*hbox);
2620         tools_tearoff->set_name ("MouseModeBase");
2621
2622         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2623                                              &tools_tearoff->tearoff_window()));
2624         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2625                                              &tools_tearoff->tearoff_window(), 0));
2626         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
2627                                              &tools_tearoff->tearoff_window()));
2628         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
2629                                               &tools_tearoff->tearoff_window(), 0));
2630
2631         toolbar_hbox.set_spacing (10);
2632         toolbar_hbox.set_border_width (1);
2633
2634         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
2635         toolbar_hbox.pack_start (*tools_tearoff, false, false);
2636
2637
2638         hbox->pack_start (snap_box, false, false);
2639         // hbox->pack_start (zoom_box, false, false);
2640         hbox->pack_start (*nudge_box, false, false);
2641
2642         hbox->show_all ();
2643
2644         toolbar_base.set_name ("ToolBarBase");
2645         toolbar_base.add (toolbar_hbox);
2646
2647         toolbar_frame.set_shadow_type (SHADOW_OUT);
2648         toolbar_frame.set_name ("BaseFrame");
2649         toolbar_frame.add (toolbar_base);
2650 }
2651
2652 int
2653 Editor::convert_drop_to_paths (vector<ustring>& paths,
2654                                const RefPtr<Gdk::DragContext>& context,
2655                                gint                x,
2656                                gint                y,
2657                                const SelectionData& data,
2658                                guint               info,
2659                                guint               time)
2660
2661 {
2662         if (session == 0) {
2663                 return -1;
2664         }
2665
2666         vector<ustring> uris = data.get_uris();
2667
2668         if (uris.empty()) {
2669
2670                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
2671                    are actually URI lists. So do it by hand.
2672                 */
2673
2674                 if (data.get_target() != "text/plain") {
2675                         return -1;
2676                 }
2677
2678                 /* Parse the "uri-list" format that Nautilus provides,
2679                    where each pathname is delimited by \r\n
2680                 */
2681
2682                 const char* p = data.get_text().c_str();
2683                 const char* q;
2684
2685                 while (p)
2686                 {
2687                         if (*p != '#')
2688                         {
2689                                 while (g_ascii_isspace (*p))
2690                                         p++;
2691
2692                                 q = p;
2693                                 while (*q && (*q != '\n') && (*q != '\r'))
2694                                         q++;
2695
2696                                 if (q > p)
2697                                 {
2698                                         q--;
2699                                         while (q > p && g_ascii_isspace (*q))
2700                                                 q--;
2701
2702                                         if (q > p)
2703                                         {
2704                                                 uris.push_back (ustring (p, q - p + 1));
2705                                         }
2706                                 }
2707                         }
2708                         p = strchr (p, '\n');
2709                         if (p)
2710                                 p++;
2711                 }
2712
2713                 if (uris.empty()) {
2714                         return -1;
2715                 }
2716         }
2717
2718         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
2719                 if ((*i).substr (0,7) == "file://") {
2720                         string p = *i;
2721                         PBD::url_decode (p);
2722                         paths.push_back (p.substr (7));
2723                 }
2724         }
2725
2726         return 0;
2727 }
2728
2729 void
2730 Editor::new_tempo_section ()
2731
2732 {
2733 }
2734
2735 void
2736 Editor::map_transport_state ()
2737 {
2738         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
2739
2740         if (session->transport_stopped()) {
2741                 have_pending_keyboard_selection = false;
2742         }
2743
2744         update_loop_range_view (true);
2745 }
2746
2747 /* UNDO/REDO */
2748
2749 Editor::State::State ()
2750 {
2751         selection = new Selection;
2752 }
2753
2754 Editor::State::~State ()
2755 {
2756         delete selection;
2757 }
2758
2759 UndoAction
2760 Editor::get_memento () const
2761 {
2762         State *state = new State;
2763
2764         store_state (*state);
2765         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
2766 }
2767
2768 void
2769 Editor::store_state (State& state) const
2770 {
2771         *state.selection = *selection;
2772 }
2773
2774 void
2775 Editor::restore_state (State *state)
2776 {
2777         if (*selection == *state->selection) {
2778                 return;
2779         }
2780
2781         *selection = *state->selection;
2782         time_selection_changed ();
2783         region_selection_changed ();
2784
2785         /* XXX other selection change handlers? */
2786 }
2787
2788 void
2789 Editor::begin_reversible_command (string name)
2790 {
2791         if (session) {
2792                 before = &get_state();
2793                 session->begin_reversible_command (name);
2794         }
2795 }
2796
2797 void
2798 Editor::commit_reversible_command ()
2799 {
2800         if (session) {
2801                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
2802         }
2803 }
2804
2805 void
2806 Editor::set_edit_group_solo (Route& route, bool yn)
2807 {
2808         RouteGroup *edit_group;
2809
2810         if ((edit_group = route.edit_group()) != 0) {
2811                 edit_group->apply (&Route::set_solo, yn, this);
2812         } else {
2813                 route.set_solo (yn, this);
2814         }
2815 }
2816
2817 void
2818 Editor::set_edit_group_mute (Route& route, bool yn)
2819 {
2820         RouteGroup *edit_group = 0;
2821
2822         if ((edit_group == route.edit_group()) != 0) {
2823                 edit_group->apply (&Route::set_mute, yn, this);
2824         } else {
2825                 route.set_mute (yn, this);
2826         }
2827 }
2828
2829 void
2830 Editor::history_changed ()
2831 {
2832         string label;
2833
2834         if (undo_action && session) {
2835                 if (session->undo_depth() == 0) {
2836                         label = _("Undo");
2837                 } else {
2838                         label = string_compose(_("Undo (%1)"), session->next_undo());
2839                 }
2840                 undo_action->property_label() = label;
2841         }
2842
2843         if (redo_action && session) {
2844                 if (session->redo_depth() == 0) {
2845                         label = _("Redo");
2846                 } else {
2847                         label = string_compose(_("Redo (%1)"), session->next_redo());
2848                 }
2849                 redo_action->property_label() = label;
2850         }
2851 }
2852
2853 void
2854 Editor::duplicate_dialog (bool dup_region)
2855 {
2856         if (selection->regions.empty() && (selection->time.length() == 0)) {
2857                 return;
2858         }
2859
2860         ArdourDialog win ("duplicate dialog");
2861         Label  label (_("Duplicate how many times?"));
2862         Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
2863         SpinButton spinner (adjustment);
2864
2865         win.get_vbox()->set_spacing (12);
2866         win.get_vbox()->pack_start (label);
2867
2868         /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
2869            place, visually. so do this by hand.
2870         */
2871
2872         win.get_vbox()->pack_start (spinner);
2873         spinner.signal_activate().connect (sigc::bind (mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
2874
2875         label.show ();
2876         spinner.show ();
2877
2878         win.add_button (Stock::OK, RESPONSE_ACCEPT);
2879         win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
2880
2881         win.set_position (WIN_POS_MOUSE);
2882
2883         spinner.grab_focus ();
2884
2885         switch (win.run ()) {
2886         case RESPONSE_ACCEPT:
2887                 break;
2888         default:
2889                 return;
2890         }
2891
2892         float times = adjustment.get_value();
2893
2894         if (!selection->regions.empty()) {
2895                 duplicate_some_regions (selection->regions, times);
2896         } else {
2897                 duplicate_selection (times);
2898         }
2899 }
2900
2901 void
2902 Editor::show_verbose_canvas_cursor ()
2903 {
2904         verbose_canvas_cursor->raise_to_top();
2905         verbose_canvas_cursor->show();
2906         verbose_cursor_visible = true;
2907 }
2908
2909 void
2910 Editor::hide_verbose_canvas_cursor ()
2911 {
2912         verbose_canvas_cursor->hide();
2913         verbose_cursor_visible = false;
2914 }
2915
2916 void
2917 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
2918 {
2919         /* XXX get origin of canvas relative to root window,
2920            add x and y and check compared to gdk_screen_{width,height}
2921         */
2922         verbose_canvas_cursor->property_text() = txt.c_str();
2923         verbose_canvas_cursor->property_x() = x;
2924         verbose_canvas_cursor->property_y() = y;
2925 }
2926
2927 void
2928 Editor::set_verbose_canvas_cursor_text (const string & txt)
2929 {
2930         verbose_canvas_cursor->property_text() = txt.c_str();
2931 }
2932
2933 void
2934 Editor::edit_mode_selection_done ()
2935 {
2936         if (session == 0) {
2937                 return;
2938         }
2939
2940         string choice = edit_mode_selector.get_active_text();
2941         EditMode mode = Slide;
2942
2943         if (choice == _("Splice Edit")) {
2944                 mode = Splice;
2945         } else if (choice == _("Slide Edit")) {
2946                 mode = Slide;
2947         }
2948
2949         Config->set_edit_mode (mode);
2950 }
2951
2952 void
2953 Editor::snap_type_selection_done ()
2954 {
2955         string choice = snap_type_selector.get_active_text();
2956         SnapType snaptype = SnapToFrame;
2957
2958         if (choice == _("Beats/3")) {
2959                 snaptype = SnapToAThirdBeat;
2960         } else if (choice == _("Beats/4")) {
2961                 snaptype = SnapToAQuarterBeat;
2962         } else if (choice == _("Beats/8")) {
2963                 snaptype = SnapToAEighthBeat;
2964         } else if (choice == _("Beats/16")) {
2965                 snaptype = SnapToASixteenthBeat;
2966         } else if (choice == _("Beats/32")) {
2967                 snaptype = SnapToAThirtysecondBeat;
2968         } else if (choice == _("Beats")) {
2969                 snaptype = SnapToBeat;
2970         } else if (choice == _("Bars")) {
2971                 snaptype = SnapToBar;
2972         } else if (choice == _("Marks")) {
2973                 snaptype = SnapToMark;
2974         } else if (choice == _("Edit Cursor")) {
2975                 snaptype = SnapToEditCursor;
2976         } else if (choice == _("Region starts")) {
2977                 snaptype = SnapToRegionStart;
2978         } else if (choice == _("Region ends")) {
2979                 snaptype = SnapToRegionEnd;
2980         } else if (choice == _("Region bounds")) {
2981                 snaptype = SnapToRegionBoundary;
2982         } else if (choice == _("Region syncs")) {
2983                 snaptype = SnapToRegionSync;
2984         } else if (choice == _("CD Frames")) {
2985                 snaptype = SnapToCDFrame;
2986         } else if (choice == _("SMPTE Frames")) {
2987                 snaptype = SnapToSMPTEFrame;
2988         } else if (choice == _("SMPTE Seconds")) {
2989                 snaptype = SnapToSMPTESeconds;
2990         } else if (choice == _("SMPTE Minutes")) {
2991                 snaptype = SnapToSMPTEMinutes;
2992         } else if (choice == _("Seconds")) {
2993                 snaptype = SnapToSeconds;
2994         } else if (choice == _("Minutes")) {
2995                 snaptype = SnapToMinutes;
2996         } else if (choice == _("None")) {
2997                 snaptype = SnapToFrame;
2998         }
2999
3000         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3001         if (ract) {
3002                 ract->set_active ();
3003         }
3004 }
3005
3006 void
3007 Editor::snap_mode_selection_done ()
3008 {
3009         string choice = snap_mode_selector.get_active_text();
3010         SnapMode mode = SnapNormal;
3011
3012         if (choice == _("Normal")) {
3013                 mode = SnapNormal;
3014         } else if (choice == _("Magnetic")) {
3015                 mode = SnapMagnetic;
3016         }
3017
3018         RefPtr<RadioAction> ract = snap_mode_action (mode);
3019
3020         if (ract) {
3021                 ract->set_active (true);
3022         }
3023 }
3024
3025 void
3026 Editor::zoom_focus_selection_done ()
3027 {
3028         string choice = zoom_focus_selector.get_active_text();
3029         ZoomFocus focus_type = ZoomFocusLeft;
3030
3031         if (choice == _("Left")) {
3032                 focus_type = ZoomFocusLeft;
3033         } else if (choice == _("Right")) {
3034                 focus_type = ZoomFocusRight;
3035         } else if (choice == _("Center")) {
3036                 focus_type = ZoomFocusCenter;
3037         } else if (choice == _("Playhead")) {
3038                 focus_type = ZoomFocusPlayhead;
3039         } else if (choice == _("Edit Cursor")) {
3040                 focus_type = ZoomFocusEdit;
3041         }
3042
3043         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3044
3045         if (ract) {
3046                 ract->set_active ();
3047         }
3048 }
3049
3050 gint
3051 Editor::edit_controls_button_release (GdkEventButton* ev)
3052 {
3053         if (Keyboard::is_context_menu_event (ev)) {
3054                 ARDOUR_UI::instance()->add_route (this);
3055         }
3056         return TRUE;
3057 }
3058
3059 gint
3060 Editor::mouse_select_button_release (GdkEventButton* ev)
3061 {
3062         /* this handles just right-clicks */
3063
3064         if (ev->button != 3) {
3065                 return false;
3066         }
3067
3068         return true;
3069 }
3070
3071 Editor::TrackViewList *
3072 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3073 {
3074         TrackViewList *v;
3075         TrackViewList::iterator i;
3076
3077         v = new TrackViewList;
3078
3079         if (track == 0 && group == 0) {
3080
3081                 /* all views */
3082
3083                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3084                         v->push_back (*i);
3085                 }
3086
3087         } else if (track != 0 && group == 0 || (track != 0 && group != 0 && !group->is_active())) {
3088
3089                 /* just the view for this track
3090                  */
3091
3092                 v->push_back (track);
3093
3094         } else {
3095
3096                 /* views for all tracks in the edit group */
3097
3098                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3099
3100                         if (group == 0 || (*i)->edit_group() == group) {
3101                                 v->push_back (*i);
3102                         }
3103                 }
3104         }
3105
3106         return v;
3107 }
3108
3109 void
3110 Editor::set_zoom_focus (ZoomFocus f)
3111 {
3112         string str = zoom_focus_strings[(int)f];
3113
3114         if (str != zoom_focus_selector.get_active_text()) {
3115                 zoom_focus_selector.set_active_text (str);
3116         }
3117
3118         if (zoom_focus != f) {
3119                 zoom_focus = f;
3120
3121                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3122
3123                 instant_save ();
3124         }
3125 }
3126
3127 void
3128 Editor::ensure_float (Window& win)
3129 {
3130         win.set_transient_for (*this);
3131 }
3132
3133 void
3134 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3135 {
3136         /* recover or initialize pane positions. do this here rather than earlier because
3137            we don't want the positions to change the child allocations, which they seem to do.
3138          */
3139
3140         int pos;
3141         XMLProperty* prop;
3142         char buf[32];
3143         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3144         int width, height;
3145         static int32_t done;
3146         XMLNode* geometry;
3147
3148         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3149                 width = default_width;
3150                 height = default_height;
3151         } else {
3152                 width = atoi(geometry->property("x_size")->value());
3153                 height = atoi(geometry->property("y_size")->value());
3154         }
3155
3156         if (which == static_cast<Paned*> (&edit_pane)) {
3157
3158                 if (done) {
3159                         return;
3160                 }
3161
3162                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3163                         /* initial allocation is 90% to canvas, 10% to notebook */
3164                         pos = (int) floor (alloc.get_width() * 0.90f);
3165                         snprintf (buf, sizeof(buf), "%d", pos);
3166                 } else {
3167                         pos = atoi (prop->value());
3168                 }
3169
3170                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3171                         edit_pane.set_position (pos);
3172                         pre_maximal_pane_position = pos;
3173                 }
3174         }
3175 }
3176
3177 void
3178 Editor::detach_tearoff (Box* b, Window* w)
3179 {
3180         if (tools_tearoff->torn_off() &&
3181             mouse_mode_tearoff->torn_off()) {
3182                 top_hbox.remove (toolbar_frame);
3183         }
3184 }
3185
3186 void
3187 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3188 {
3189         if (toolbar_frame.get_parent() == 0) {
3190                 top_hbox.pack_end (toolbar_frame);
3191         }
3192 }
3193
3194 void
3195 Editor::set_show_measures (bool yn)
3196 {
3197         if (_show_measures != yn) {
3198                 hide_measures ();
3199
3200                 if ((_show_measures = yn) == true) {
3201                         draw_measures ();
3202                 }
3203                 instant_save ();
3204         }
3205 }
3206
3207 void
3208 Editor::toggle_follow_playhead ()
3209 {
3210         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3211         if (act) {
3212                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3213                 set_follow_playhead (tact->get_active());
3214         }
3215 }
3216
3217 void
3218 Editor::set_follow_playhead (bool yn)
3219 {
3220         if (_follow_playhead != yn) {
3221                 if ((_follow_playhead = yn) == true) {
3222                         /* catch up */
3223                         update_current_screen ();
3224                 }
3225                 instant_save ();
3226         }
3227 }
3228
3229 void
3230 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3231 {
3232         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3233         if (xfade) {
3234                 xfade->set_active (!xfade->active());
3235         }
3236 }
3237
3238 void
3239 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3240 {
3241         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3242         if (xfade) {
3243                 xfade->set_follow_overlap (!xfade->following_overlap());
3244         }
3245 }
3246
3247 void
3248 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3249 {
3250         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3251
3252         if (!xfade) {
3253                 return;
3254         }
3255
3256         CrossfadeEditor cew (*session, xfade, xfade->fade_in().get_min_y(), 1.0);
3257
3258         ensure_float (cew);
3259
3260         switch (cew.run ()) {
3261         case RESPONSE_ACCEPT:
3262                 break;
3263         default:
3264                 return;
3265         }
3266
3267         cew.apply ();
3268         xfade->StateChanged (Change (~0));
3269 }
3270
3271 PlaylistSelector&
3272 Editor::playlist_selector () const
3273 {
3274         return *_playlist_selector;
3275 }
3276
3277 nframes_t
3278 Editor::get_nudge_distance (nframes_t pos, nframes_t& next)
3279 {
3280         nframes_t ret;
3281
3282         ret = nudge_clock.current_duration (pos);
3283         next = ret + 1; /* XXXX fix me */
3284
3285         return ret;
3286 }
3287
3288 void
3289 Editor::end_location_changed (Location* location)
3290 {
3291         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
3292         reset_scrolling_region ();
3293 }
3294
3295 int
3296 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
3297 {
3298         ArdourDialog dialog ("playlist deletion dialog");
3299         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
3300                                         "If left alone, no audio files used by it will be cleaned.\n"
3301                                         "If deleted, audio files used by it alone by will cleaned."),
3302                                       pl->name()));
3303
3304         dialog.set_position (WIN_POS_CENTER);
3305         dialog.get_vbox()->pack_start (label);
3306
3307         label.show ();
3308
3309         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
3310         dialog.add_button (_("Keep playlist"), RESPONSE_REJECT);
3311         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
3312
3313         switch (dialog.run ()) {
3314         case RESPONSE_ACCEPT:
3315                 /* delete the playlist */
3316                 return 0;
3317                 break;
3318
3319         case RESPONSE_REJECT:
3320                 /* keep the playlist */
3321                 return 1;
3322                 break;
3323
3324         default:
3325                 break;
3326         }
3327
3328         return -1;
3329 }
3330
3331 bool
3332 Editor::audio_region_selection_covers (nframes_t where)
3333 {
3334         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
3335                 if ((*a)->region()->covers (where)) {
3336                         return true;
3337                 }
3338         }
3339
3340         return false;
3341 }
3342
3343 void
3344 Editor::prepare_for_cleanup ()
3345 {
3346         cut_buffer->clear_regions ();
3347         cut_buffer->clear_playlists ();
3348
3349         selection->clear_regions ();
3350         selection->clear_playlists ();
3351 }
3352
3353 Location*
3354 Editor::transport_loop_location()
3355 {
3356         if (session) {
3357                 return session->locations()->auto_loop_location();
3358         } else {
3359                 return 0;
3360         }
3361 }
3362
3363 Location*
3364 Editor::transport_punch_location()
3365 {
3366         if (session) {
3367                 return session->locations()->auto_punch_location();
3368         } else {
3369                 return 0;
3370         }
3371 }
3372
3373 bool
3374 Editor::control_layout_scroll (GdkEventScroll* ev)
3375 {
3376         switch (ev->direction) {
3377         case GDK_SCROLL_UP:
3378                 scroll_tracks_up_line ();
3379                 return true;
3380                 break;
3381
3382         case GDK_SCROLL_DOWN:
3383                 scroll_tracks_down_line ();
3384                 return true;
3385
3386         default:
3387                 /* no left/right handling yet */
3388                 break;
3389         }
3390
3391         return false;
3392 }
3393
3394
3395 /** A new snapshot has been selected.
3396  */
3397 void
3398 Editor::snapshot_display_selection_changed ()
3399 {
3400         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
3401
3402                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
3403
3404                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
3405
3406                 if (snap_name.length() == 0) {
3407                         return;
3408                 }
3409
3410                 if (session->snap_name() == snap_name) {
3411                         return;
3412                 }
3413
3414                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
3415         }
3416 }
3417
3418 bool
3419 Editor::snapshot_display_button_press (GdkEventButton* ev)
3420 {
3421         if (ev->button == 3) {
3422                 /* Right-click on the snapshot list. Work out which snapshot it
3423                    was over. */
3424                 Gtk::TreeModel::Path path;
3425                 Gtk::TreeViewColumn* col;
3426                 int cx;
3427                 int cy;
3428                 snapshot_display.get_path_at_pos ((int) ev->x, (int) ev->y, path, col, cx, cy);
3429                 Gtk::TreeModel::iterator iter = snapshot_display_model->get_iter (path);
3430                 if (iter) {
3431                         Gtk::TreeModel::Row row = *iter;
3432                         popup_snapshot_context_menu (ev->button, ev->time, row[snapshot_display_columns.real_name]);
3433                 }
3434                 return true;
3435         }
3436
3437         return false;
3438 }
3439
3440
3441 /** Pop up the snapshot display context menu.
3442  * @param button Button used to open the menu.
3443  * @param time Menu open time.
3444  * @snapshot_name Name of the snapshot that the menu click was over.
3445  */
3446
3447 void
3448 Editor::popup_snapshot_context_menu (int button, int32_t time, Glib::ustring snapshot_name)
3449 {
3450         using namespace Menu_Helpers;
3451
3452         MenuList& items (snapshot_context_menu.items());
3453         items.clear ();
3454
3455         const bool modification_allowed = (session->snap_name() != snapshot_name && session->name() != snapshot_name);
3456
3457         items.push_back (MenuElem (_("Remove"), bind (mem_fun (*this, &Editor::remove_snapshot), snapshot_name)));
3458         if (!modification_allowed) {
3459                 items.back().set_sensitive (false);
3460         }
3461
3462         items.push_back (MenuElem (_("Rename"), bind (mem_fun (*this, &Editor::rename_snapshot), snapshot_name)));
3463         if (!modification_allowed) {
3464                 items.back().set_sensitive (false);
3465         }
3466
3467         snapshot_context_menu.popup (button, time);
3468 }
3469
3470 void
3471 Editor::rename_snapshot (Glib::ustring old_name)
3472 {
3473         ArdourPrompter prompter(true);
3474
3475         string new_name;
3476
3477         prompter.set_name ("Prompter");
3478         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
3479         prompter.set_prompt (_("New name of snapshot"));
3480         prompter.set_initial_text (old_name);
3481
3482         if (prompter.run() == RESPONSE_ACCEPT) {
3483                 prompter.get_result (new_name);
3484                 if (new_name.length()) {
3485                         session->rename_state (old_name, new_name);
3486                         redisplay_snapshots ();
3487                 }
3488         }
3489 }
3490
3491
3492 void
3493 Editor::remove_snapshot (Glib::ustring name)
3494 {
3495         vector<string> choices;
3496
3497         std::string prompt  = string_compose (_("Do you really want to remove snapshot \"%1\" ?\n(cannot be undone)"), name);
3498
3499         choices.push_back (_("No, do nothing."));
3500         choices.push_back (_("Yes, remove it."));
3501
3502         Gtkmm2ext::Choice prompter (prompt, choices);
3503
3504         if (prompter.run () == 1) {
3505                 session->remove_state (name);
3506                 redisplay_snapshots ();
3507         }
3508 }
3509
3510 void
3511 Editor::redisplay_snapshots ()
3512 {
3513         if (session == 0) {
3514                 return;
3515         }
3516
3517         vector<string*>* states;
3518
3519         if ((states = session->possible_states()) == 0) {
3520                 return;
3521         }
3522
3523         snapshot_display_model->clear ();
3524
3525         for (vector<string*>::iterator i = states->begin(); i != states->end(); ++i) {
3526                 string statename = *(*i);
3527                 TreeModel::Row row = *(snapshot_display_model->append());
3528
3529                 /* this lingers on in case we ever want to change the visible
3530                    name of the snapshot.
3531                 */
3532
3533                 string display_name;
3534                 display_name = statename;
3535
3536                 if (statename == session->snap_name()) {
3537                         snapshot_display.get_selection()->select(row);
3538                 }
3539
3540                 row[snapshot_display_columns.visible_name] = display_name;
3541                 row[snapshot_display_columns.real_name] = statename;
3542         }
3543
3544         delete states;
3545 }
3546
3547 void
3548 Editor::session_state_saved (string snap_name)
3549 {
3550         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
3551         redisplay_snapshots ();
3552 }
3553
3554 void
3555 Editor::maximise_editing_space ()
3556 {
3557         initial_ruler_update_required = true;
3558
3559         mouse_mode_tearoff->set_visible (false);
3560         tools_tearoff->set_visible (false);
3561
3562         pre_maximal_pane_position = edit_pane.get_position();
3563         pre_maximal_editor_width = this->get_width();
3564
3565         if(post_maximal_pane_position == 0) {
3566                 post_maximal_pane_position = edit_pane.get_width();
3567         }
3568
3569
3570         fullscreen();
3571         if(post_maximal_editor_width) {
3572                 edit_pane.set_position (post_maximal_pane_position -
3573                         abs(post_maximal_editor_width - pre_maximal_editor_width));
3574         } else {
3575                 edit_pane.set_position (post_maximal_pane_position);
3576         }
3577 }
3578
3579 void
3580 Editor::restore_editing_space ()
3581 {
3582         initial_ruler_update_required = true;
3583
3584         // user changed width of pane during fullscreen
3585         if(post_maximal_pane_position != edit_pane.get_position()) {
3586                 post_maximal_pane_position = edit_pane.get_position();
3587         }
3588
3589         unfullscreen();
3590
3591         mouse_mode_tearoff->set_visible (true);
3592         tools_tearoff->set_visible (true);
3593         post_maximal_editor_width = this->get_width();
3594
3595
3596         edit_pane.set_position (
3597                 pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width)
3598         );
3599 }
3600
3601 void
3602 Editor::new_playlists ()
3603 {
3604         begin_reversible_command (_("new playlists"));
3605         mapover_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist));
3606         commit_reversible_command ();
3607 }
3608
3609 void
3610 Editor::copy_playlists ()
3611 {
3612         begin_reversible_command (_("copy playlists"));
3613         mapover_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist));
3614         commit_reversible_command ();
3615 }
3616
3617 void
3618 Editor::clear_playlists ()
3619 {
3620         begin_reversible_command (_("clear playlists"));
3621         mapover_tracks (mem_fun (*this, &Editor::mapped_clear_playlist));
3622         commit_reversible_command ();
3623 }
3624
3625 void
3626 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz)
3627 {
3628         atv.use_new_playlist (sz > 1 ? false : true);
3629 }
3630
3631 void
3632 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz)
3633 {
3634         atv.use_copy_playlist (sz > 1 ? false : true);
3635 }
3636
3637 void
3638 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t sz)
3639 {
3640         atv.clear_playlist ();
3641 }
3642
3643 bool
3644 Editor::on_key_press_event (GdkEventKey* ev)
3645 {
3646         return key_press_focus_accelerator_handler (*this, ev);
3647 }
3648
3649 void
3650 Editor::reset_x_origin (nframes_t frame)
3651 {
3652         queue_visual_change (frame);
3653 }
3654
3655 void
3656 Editor::reset_zoom (double fpu)
3657 {
3658         queue_visual_change (fpu);
3659 }
3660
3661 void
3662 Editor::reposition_and_zoom (nframes_t frame, double fpu)
3663 {
3664         reset_x_origin (frame);
3665         reset_zoom (fpu);
3666 }
3667
3668 void
3669 Editor::set_frames_per_unit (double fpu)
3670 {
3671         nframes_t frames;
3672
3673         /* this is the core function that controls the zoom level of the canvas. it is called
3674            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
3675         */
3676
3677         if (fpu == frames_per_unit) {
3678                 return;
3679         }
3680
3681         if (fpu < 2.0) {
3682                 fpu = 2.0;
3683         }
3684
3685         // convert fpu to frame count
3686
3687         frames = (nframes_t) floor (fpu * canvas_width);
3688
3689         /* don't allow zooms that fit more than the maximum number
3690            of frames into an 800 pixel wide space.
3691         */
3692
3693         if (max_frames / fpu < 800.0) {
3694                 return;
3695         }
3696
3697         if (fpu == frames_per_unit) {
3698                 return;
3699         }
3700
3701         frames_per_unit = fpu;
3702
3703         if (frames != zoom_range_clock.current_duration()) {
3704                 zoom_range_clock.set (frames);
3705         }
3706
3707         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
3708                 if (!selection->tracks.empty()) {
3709                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
3710                                 (*i)->reshow_selection (selection->time);
3711                         }
3712                 } else {
3713                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
3714                                 (*i)->reshow_selection (selection->time);
3715                         }
3716                 }
3717         }
3718
3719         ZoomChanged (); /* EMIT_SIGNAL */
3720
3721         reset_hscrollbar_stepping ();
3722         reset_scrolling_region ();
3723
3724         if (edit_cursor) edit_cursor->set_position (edit_cursor->current_frame);
3725         if (playhead_cursor) playhead_cursor->set_position (playhead_cursor->current_frame);
3726
3727         instant_save ();
3728 }
3729
3730 void
3731 Editor::queue_visual_change (nframes_t where)
3732 {
3733         pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::TimeOrigin);
3734         pending_visual_change.time_origin = where;
3735
3736         if (pending_visual_change.idle_handler_id < 0) {
3737                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
3738         }
3739 }
3740
3741 void
3742 Editor::queue_visual_change (double fpu)
3743 {
3744         pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::ZoomLevel);
3745         pending_visual_change.frames_per_unit = fpu;
3746
3747         if (pending_visual_change.idle_handler_id < 0) {
3748                 pending_visual_change.idle_handler_id = g_idle_add_full (G_PRIORITY_HIGH_IDLE, _idle_visual_changer, this, 0);
3749         }
3750 }
3751
3752 int
3753 Editor::_idle_visual_changer (void* arg)
3754 {
3755         return static_cast<Editor*>(arg)->idle_visual_changer ();
3756 }
3757
3758 int
3759 Editor::idle_visual_changer ()
3760 {
3761         VisualChange::Type p = pending_visual_change.pending;
3762
3763         pending_visual_change.pending = (VisualChange::Type) 0;
3764         pending_visual_change.idle_handler_id = -1;
3765
3766         if (p & VisualChange::ZoomLevel) {
3767                 set_frames_per_unit (pending_visual_change.frames_per_unit);
3768         }
3769
3770         if (p & VisualChange::TimeOrigin) {
3771                 if (pending_visual_change.time_origin != leftmost_frame) {
3772                         horizontal_adjustment.set_value (pending_visual_change.time_origin/frames_per_unit);
3773                         /* the signal handler will do the rest */
3774                 } else {
3775                         update_fixed_rulers();
3776                         redisplay_tempo (true);
3777                 }
3778         }
3779
3780         return 0;
3781 }
3782
3783 struct EditorOrderTimeAxisSorter {
3784     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
3785             return a->order < b->order;
3786     }
3787 };
3788
3789 void
3790 Editor::sort_track_selection ()
3791 {
3792         EditorOrderTimeAxisSorter cmp;
3793         selection->tracks.sort (cmp);
3794 }
3795
3796 nframes_t
3797 Editor::edit_cursor_position(bool sync)
3798 {
3799         if (sync && edit_cursor->current_frame != edit_cursor_clock.current_time()) {
3800                 edit_cursor_clock.set(edit_cursor->current_frame, true);
3801         }
3802
3803         return edit_cursor->current_frame;
3804 }