gtk2_ardour/editor.cc

   1 /*
   2     Copyright (C) 2000-2007 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 /* Note: public Editor methods are documented in public_editor.h */
  21
  22 #include <unistd.h>
  23 #include <cstdlib>
  24 #include <cmath>
  25 #include <string>
  26 #include <algorithm>
  27
  28 #include <boost/none.hpp>
  29
  30 #include <sigc++/bind.h>
  31
  32 #include <pbd/convert.h>
  33 #include <pbd/error.h>
  34 #include <pbd/enumwriter.h>
  35 #include <pbd/memento_command.h>
  36
  37 #include <glibmm/miscutils.h>
  38 #include <gtkmm/image.h>
  39 #include <gdkmm/color.h>
  40 #include <gdkmm/bitmap.h>
  41
  42 #include <gtkmm2ext/grouped_buttons.h>
  43 #include <gtkmm2ext/gtk_ui.h>
  44 #include <gtkmm2ext/tearoff.h>
  45 #include <gtkmm2ext/utils.h>
  46 #include <gtkmm2ext/window_title.h>
  47 #include <gtkmm2ext/choice.h>
  48
  49 #include <ardour/audio_track.h>
  50 #include <ardour/audio_diskstream.h>
  51 #include <ardour/plugin_manager.h>
  52 #include <ardour/location.h>
  53 #include <ardour/audioplaylist.h>
  54 #include <ardour/audioregion.h>
  55 #include <ardour/midi_region.h>
  56 #include <ardour/session_route.h>
  57 #include <ardour/session_directory.h>
  58 #include <ardour/session_state_utils.h>
  59 #include <ardour/tempo.h>
  60 #include <ardour/utils.h>
  61 #include <ardour/profile.h>
  62
  63 #include <control_protocol/control_protocol.h>
  64
  65 #include "ardour_ui.h"
  66 #include "editor.h"
  67 #include "keyboard.h"
  68 #include "marker.h"
  69 #include "playlist_selector.h"
  70 #include "audio_region_view.h"
  71 #include "rgb_macros.h"
  72 #include "selection.h"
  73 #include "audio_streamview.h"
  74 #include "time_axis_view.h"
  75 #include "audio_time_axis.h"
  76 #include "utils.h"
  77 #include "crossfade_view.h"
  78 #include "editing.h"
  79 #include "public_editor.h"
  80 #include "crossfade_edit.h"
  81 #include "canvas_impl.h"
  82 #include "actions.h"
  83 #include "sfdb_ui.h"
  84 #include "gui_thread.h"
  85 #include "simpleline.h"
  86 #include "rhythm_ferret.h"
  87 #include "actions.h"
  88
  89 #ifdef FFT_ANALYSIS
  90 #include "analysis_window.h"
  91 #endif
  92
  93 #include "i18n.h"
  94
  95 #ifdef WITH_CMT
  96 #include "imageframe_socket_handler.h"
  97 #endif
  98
  99 using namespace std;
 100 using namespace sigc;
 101 using namespace ARDOUR;
 102 using namespace PBD;
 103 using namespace Gtk;
 104 using namespace Glib;
 105 using namespace Gtkmm2ext;
 106 using namespace Editing;
 107
 108 using PBD::internationalize;
 109 using PBD::atoi;
 110
 111 const double Editor::timebar_height = 15.0;
 112
 113 #include "editor_xpms"
 114
 115 static const gchar *_snap_type_strings[] = {
 116         N_("CD Frames"),
 117         N_("SMPTE Frames"),
 118         N_("SMPTE Seconds"),
 119         N_("SMPTE Minutes"),
 120         N_("Seconds"),
 121         N_("Minutes"),
 122         N_("Beats/32"),
 123         N_("Beats/16"),
 124         N_("Beats/8"),
 125         N_("Beats/4"),
 126         N_("Beats/3"),
 127         N_("Beats"),
 128         N_("Bars"),
 129         N_("Marks"),
 130         N_("Region starts"),
 131         N_("Region ends"),
 132         N_("Region syncs"),
 133         N_("Region bounds"),
 134         0
 135 };
 136
 137 static const gchar *_snap_mode_strings[] = {
 138         N_("No Grid"),
 139         N_("Grid"),
 140         N_("Magnetic"),
 141         0
 142 };
 143
 144 static const gchar *_edit_point_strings[] = {
 145         N_("Playhead"),
 146         N_("Marker"),
 147         N_("Mouse"),
 148         0
 149 };
 150
 151 static const gchar *_zoom_focus_strings[] = {
 152         N_("Left"),
 153         N_("Right"),
 154         N_("Center"),
 155         N_("Playhead"),
 156         N_("Mouse"),
 157         N_("Active Mark"),
 158         0
 159 };
 160
 161 #ifdef USE_RUBBERBAND
 162 static const gchar *_rb_opt_strings[] = {
 163         N_("Mushy"),
 164         N_("Smooth"),
 165         N_("Balanced multitimbral mixture"),
 166         N_("Unpitched percussion with stable notes"),
 167         N_("Crisp monophonic instrumental"),
 168         N_("Unpitched solo percussion"),
 169         0
 170 };
 171 #endif
 172
 173 /* Soundfile  drag-n-drop */
 174
 175 Gdk::Cursor* Editor::cross_hair_cursor = 0;
 176 Gdk::Cursor* Editor::selector_cursor = 0;
 177 Gdk::Cursor* Editor::trimmer_cursor = 0;
 178 Gdk::Cursor* Editor::grabber_cursor = 0;
 179 Gdk::Cursor* Editor::grabber_edit_point_cursor = 0;
 180 Gdk::Cursor* Editor::zoom_cursor = 0;
 181 Gdk::Cursor* Editor::time_fx_cursor = 0;
 182 Gdk::Cursor* Editor::fader_cursor = 0;
 183 Gdk::Cursor* Editor::speaker_cursor = 0;
 184 Gdk::Cursor* Editor::midi_pencil_cursor = 0;
 185 Gdk::Cursor* Editor::midi_select_cursor = 0;
 186 Gdk::Cursor* Editor::midi_resize_cursor = 0;
 187 Gdk::Cursor* Editor::midi_erase_cursor = 0;
 188 Gdk::Cursor* Editor::wait_cursor = 0;
 189 Gdk::Cursor* Editor::timebar_cursor = 0;
 190 Gdk::Cursor* Editor::transparent_cursor = 0;
 191
 192 void
 193 show_me_the_size (Requisition* r, const char* what)
 194 {
 195         cerr << "size of " << what << " = " << r->width << " x " << r->height << endl;
 196 }
 197
 198 void
 199 DragInfo::clear_copied_locations ()
 200 {
 201         for (list<Location*>::iterator i = copied_locations.begin(); i != copied_locations.end(); ++i) {
 202                 delete *i;
 203         }
 204         copied_locations.clear ();
 205 }
 206
 207 Editor::Editor ()
 208         :
 209           /* time display buttons */
 210
 211           minsec_label (_("Mins:Secs")),
 212           bbt_label (_("Bars:Beats")),
 213           smpte_label (_("Timecode")),
 214           frame_label (_("Samples")),
 215           tempo_label (_("Tempo")),
 216           meter_label (_("Meter")),
 217           mark_label (_("Location Markers")),
 218           range_mark_label (_("Range Markers")),
 219           transport_mark_label (_("Loop/Punch Ranges")),
 220           cd_mark_label (_("CD Markers")),
 221           edit_packer (3, 4, true),
 222
 223           /* the values here don't matter: layout widgets
 224              reset them as needed.
 225           */
 226
 227           vertical_adjustment (0.0, 0.0, 10.0, 400.0),
 228           horizontal_adjustment (0.0, 0.0, 20.0, 1200.0),
 229
 230           /* tool bar related */
 231
 232           edit_point_clock (X_("editpoint"), false, X_("EditPointClock"), true),
 233           zoom_range_clock (X_("zoomrange"), false, X_("ZoomRangeClock"), true, true),
 234
 235           toolbar_selection_clock_table (2,3),
 236
 237           automation_mode_button (_("mode")),
 238           global_automation_button (_("automation")),
 239
 240 #ifdef WITH_CMT
 241           image_socket_listener(0),
 242 #endif
 243
 244           /* nudge */
 245
 246           nudge_clock (X_("nudge"), false, X_("NudgeClock"), true, true),
 247           meters_running(false)
 248
 249 {
 250         constructed = false;
 251
 252         /* we are a singleton */
 253
 254         PublicEditor::_instance = this;
 255
 256         session = 0;
 257         _have_idled = false;
 258
 259         selection = new Selection (this);
 260         cut_buffer = new Selection (this);
 261
 262         selection->TimeChanged.connect (mem_fun(*this, &Editor::time_selection_changed));
 263         selection->TracksChanged.connect (mem_fun(*this, &Editor::track_selection_changed));
 264         selection->RegionsChanged.connect (mem_fun(*this, &Editor::region_selection_changed));
 265         selection->PointsChanged.connect (mem_fun(*this, &Editor::point_selection_changed));
 266         selection->MarkersChanged.connect (mem_fun(*this, &Editor::marker_selection_changed));
 267
 268         clicked_regionview = 0;
 269         clicked_axisview = 0;
 270         clicked_routeview = 0;
 271         clicked_crossfadeview = 0;
 272         clicked_control_point = 0;
 273         last_update_frame = 0;
 274         drag_info.item = 0;
 275         current_mixer_strip = 0;
 276         current_bbt_points = 0;
 277         tempo_lines = 0;
 278
 279         snap_type_strings =  I18N (_snap_type_strings);
 280         snap_mode_strings =  I18N (_snap_mode_strings);
 281         zoom_focus_strings = I18N (_zoom_focus_strings);
 282         edit_point_strings = I18N (_edit_point_strings);
 283 #ifdef USE_RUBBERBAND
 284         rb_opt_strings = I18N (_rb_opt_strings);
 285 #endif
 286
 287         snap_threshold = 5.0;
 288         bbt_beat_subdivision = 4;
 289         canvas_width = 0;
 290         canvas_height = 0;
 291         last_autoscroll_x = 0;
 292         last_autoscroll_y = 0;
 293         autoscroll_active = false;
 294         autoscroll_timeout_tag = -1;
 295         interthread_progress_window = 0;
 296         logo_item = 0;
 297
 298 #ifdef FFT_ANALYSIS
 299         analysis_window = 0;
 300 #endif
 301
 302         current_interthread_info = 0;
 303         _show_measures = true;
 304         _show_waveforms = true;
 305         _show_waveforms_recording = true;
 306         first_action_message = 0;
 307         show_gain_after_trim = false;
 308         ignore_route_list_reorder = false;
 309         no_route_list_redisplay = false;
 310         verbose_cursor_on = true;
 311         route_removal = false;
 312         show_automatic_regions_in_region_list = true;
 313         last_item_entered = 0;
 314         last_item_entered_n = 0;
 315
 316         region_list_sort_type = (Editing::RegionListSortType) 0;
 317         have_pending_keyboard_selection = false;
 318         _follow_playhead = true;
 319         _xfade_visibility = true;
 320         editor_ruler_menu = 0;
 321         no_ruler_shown_update = false;
 322         edit_group_list_menu = 0;
 323         route_list_menu = 0;
 324         region_list_menu = 0;
 325         marker_menu = 0;
 326         start_end_marker_menu = 0;
 327         range_marker_menu = 0;
 328         marker_menu_item = 0;
 329         tm_marker_menu = 0;
 330         transport_marker_menu = 0;
 331         new_transport_marker_menu = 0;
 332         editor_mixer_strip_width = Wide;
 333         show_editor_mixer_when_tracks_arrive = false;
 334         region_edit_menu_split_multichannel_item = 0;
 335         region_edit_menu_split_item = 0;
 336         temp_location = 0;
 337         leftmost_frame = 0;
 338         ignore_mouse_mode_toggle = false;
 339         ignore_midi_edit_mode_toggle = false;
 340         current_stepping_trackview = 0;
 341         entered_track = 0;
 342         entered_regionview = 0;
 343         entered_marker = 0;
 344         clear_entered_track = false;
 345         _new_regionviews_show_envelope = false;
 346         current_timefx = 0;
 347         in_edit_group_row_change = false;
 348         last_canvas_frame = 0;
 349         playhead_cursor = 0;
 350         button_release_can_deselect = true;
 351         _dragging_playhead = false;
 352         _dragging_edit_point = false;
 353         _dragging_hscrollbar = false;
 354         select_new_marker = false;
 355         zoomed_to_region = false;
 356         rhythm_ferret = 0;
 357         allow_vertical_scroll = false;
 358         no_save_visual = false;
 359         need_resize_line = false;
 360         resize_line_y = 0;
 361         old_resize_line_y = -1;
 362         no_region_list_redisplay = false;
 363         resize_idle_id = -1;
 364
 365         _scrubbing = false;
 366         scrubbing_direction = 0;
 367
 368         sfbrowser = 0;
 369         ignore_route_order_sync = false;
 370
 371         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
 372         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
 373         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
 374         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
 375         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
 376
 377         range_marker_drag_rect = 0;
 378         marker_drag_line = 0;
 379         tempo_map_change_idle_handler_id = -1;
 380         set_midi_edit_mode (MidiEditPencil, true);
 381         set_mouse_mode (MouseObject, true);
 382
 383         frames_per_unit = 2048; /* too early to use reset_zoom () */
 384         reset_hscrollbar_stepping ();
 385
 386         zoom_focus = ZoomFocusLeft;
 387         set_zoom_focus (ZoomFocusLeft);
 388         zoom_range_clock.ValueChanged.connect (mem_fun(*this, &Editor::zoom_adjustment_changed));
 389
 390         initialize_rulers ();
 391         initialize_canvas ();
 392
 393         edit_controls_vbox.set_spacing (0);
 394         horizontal_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::scroll_canvas_horizontally), false);
 395         vertical_adjustment.signal_value_changed().connect (mem_fun(*this, &Editor::tie_vertical_scrolling), true);
 396         track_canvas->signal_map_event().connect (mem_fun (*this, &Editor::track_canvas_map_handler));
 397
 398         controls_layout.add (edit_controls_vbox);
 399         controls_layout.set_name ("EditControlsBase");
 400         controls_layout.add_events (Gdk::SCROLL_MASK);
 401         controls_layout.signal_scroll_event().connect (mem_fun(*this, &Editor::control_layout_scroll), false);
 402
 403         controls_layout.add_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 404         controls_layout.signal_button_release_event().connect (mem_fun(*this, &Editor::edit_controls_button_release));
 405         controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
 406
 407         edit_vscrollbar.set_adjustment (vertical_adjustment);
 408         edit_hscrollbar.set_adjustment (horizontal_adjustment);
 409
 410         edit_hscrollbar.signal_button_press_event().connect (mem_fun(*this, &Editor::hscrollbar_button_press), false);
 411         edit_hscrollbar.signal_button_release_event().connect (mem_fun(*this, &Editor::hscrollbar_button_release), false);
 412         edit_hscrollbar.signal_size_allocate().connect (mem_fun(*this, &Editor::hscrollbar_allocate));
 413
 414         edit_hscrollbar.set_name ("EditorHScrollbar");
 415
 416         build_cursors ();
 417         setup_toolbar ();
 418         setup_midi_toolbar ();
 419
 420         edit_point_clock.ValueChanged.connect (mem_fun(*this, &Editor::edit_point_clock_changed));
 421
 422         ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
 423         ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
 424                         0.0, 1.0, 100.0, 1.0));
 425         pad_line_1->property_color_rgba() = 0xFF0000FF;
 426         pad_line_1->show();
 427         time_pad->show();
 428
 429         time_canvas_vbox.pack_start (*_ruler_separator, false, false);
 430         time_canvas_vbox.pack_start (*minsec_ruler, false, false);
 431         time_canvas_vbox.pack_start (*smpte_ruler, false, false);
 432         time_canvas_vbox.pack_start (*frames_ruler, false, false);
 433         time_canvas_vbox.pack_start (*bbt_ruler, false, false);
 434         //time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
 435         time_canvas_vbox.set_size_request (-1, -1);
 436         bbt_label.set_name ("EditorTimeButton");
 437         bbt_label.set_size_request (-1, (int)timebar_height);
 438         bbt_label.set_alignment (1.0, 0.5);
 439         bbt_label.set_padding (5,0);
 440         minsec_label.set_name ("EditorTimeButton");
 441         minsec_label.set_size_request (-1, (int)timebar_height);
 442         minsec_label.set_alignment (1.0, 0.5);
 443         minsec_label.set_padding (5,0);
 444         smpte_label.set_name ("EditorTimeButton");
 445         smpte_label.set_size_request (-1, (int)timebar_height);
 446         smpte_label.set_alignment (1.0, 0.5);
 447         smpte_label.set_padding (5,0);
 448         frame_label.set_name ("EditorTimeButton");
 449         frame_label.set_size_request (-1, (int)timebar_height);
 450         frame_label.set_alignment (1.0, 0.5);
 451         frame_label.set_padding (5,0);
 452
 453         tempo_label.set_name ("EditorTimeButton");
 454         tempo_label.set_size_request (-1, (int)timebar_height);
 455         tempo_label.set_alignment (1.0, 0.5);
 456         tempo_label.set_padding (5,0);
 457         meter_label.set_name ("EditorTimeButton");
 458         meter_label.set_size_request (-1, (int)timebar_height);
 459         meter_label.set_alignment (1.0, 0.5);
 460         meter_label.set_padding (5,0);
 461         mark_label.set_name ("EditorTimeButton");
 462         mark_label.set_size_request (-1, (int)timebar_height);
 463         mark_label.set_alignment (1.0, 0.5);
 464         mark_label.set_padding (5,0);
 465         cd_mark_label.set_name ("EditorTimeButton");
 466         cd_mark_label.set_size_request (-1, (int)timebar_height);
 467         cd_mark_label.set_alignment (1.0, 0.5);
 468         cd_mark_label.set_padding (5,0);
 469         range_mark_label.set_name ("EditorTimeButton");
 470         range_mark_label.set_size_request (-1, (int)timebar_height);
 471         range_mark_label.set_alignment (1.0, 0.5);
 472         range_mark_label.set_padding (5,0);
 473         transport_mark_label.set_name ("EditorTimeButton");
 474         transport_mark_label.set_size_request (-1, (int)timebar_height);
 475         transport_mark_label.set_alignment (1.0, 0.5);
 476         transport_mark_label.set_padding (5,0);
 477
 478         ruler_label_vbox.pack_start (minsec_label, false, false);
 479         ruler_label_vbox.pack_start (smpte_label, false, false);
 480         ruler_label_vbox.pack_start (frame_label, false, false);
 481         ruler_label_vbox.pack_start (bbt_label, false, false);
 482
 483         ruler_label_event_box.add (ruler_label_vbox);
 484         ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 485         ruler_label_event_box.set_name ("TimebarLabelBase");
 486         ruler_label_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 487
 488         time_button_vbox.pack_start (meter_label, false, false);
 489         time_button_vbox.pack_start (tempo_label, false, false);
 490         time_button_vbox.pack_start (mark_label, false, false);
 491
 492         time_button_event_box.add (time_button_vbox);
 493         time_button_event_box.set_name ("TimebarLabelBase");
 494         time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 495         time_button_event_box.signal_button_release_event().connect (mem_fun(*this, &Editor::ruler_label_button_release));
 496
 497         /* these enable us to have a dedicated window (for cursor setting, etc.)
 498            for the canvas areas.
 499         */
 500
 501         track_canvas_event_box.add (*track_canvas);
 502
 503         time_canvas_event_box.add (time_canvas_vbox);
 504         time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
 505
 506         edit_packer.set_col_spacings (0);
 507         edit_packer.set_row_spacings (0);
 508         edit_packer.set_homogeneous (false);
 509         edit_packer.set_border_width (0);
 510         edit_packer.set_name ("EditorWindow");
 511
 512 #ifndef THE_OLD_WAY
 513
 514         edit_packer.attach (ruler_label_event_box,   0, 1, 0, 1,    FILL,        SHRINK, 0, 0);
 515
 516         edit_packer.attach (time_button_event_box,   0, 1, 1, 2,    FILL,        SHRINK, 0, 0);
 517         edit_packer.attach (time_canvas_event_box,   1, 2, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 518
 519         edit_packer.attach (controls_layout,         0, 1, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 520         edit_packer.attach (track_canvas_event_box,  1, 2, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 521
 522         edit_packer.attach (zoom_box,                0, 1, 3, 4,    FILL,         FILL, 0, 0);
 523         edit_packer.attach (edit_hscrollbar,         1, 2, 3, 4,    FILL|EXPAND,  FILL, 0, 0);
 524
 525         edit_packer.attach (edit_vscrollbar,         3, 4, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 526
 527 #else
 528
 529         edit_packer.attach (edit_vscrollbar,         0, 1, 0, 4,    FILL,        FILL|EXPAND, 0, 0);
 530
 531         edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
 532         edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
 533         edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
 534
 535         edit_packer.attach (controls_layout,         1, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
 536         edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 537
 538         edit_packer.attach (zoom_box,                1, 2, 3, 4,    FILL,         FILL, 0, 0);
 539         edit_packer.attach (edit_hscrollbar,         2, 3, 3, 4,    FILL|EXPAND,  FILL, 0, 0);
 540 #endif
 541
 542         bottom_hbox.set_border_width (2);
 543         bottom_hbox.set_spacing (3);
 544
 545         route_display_model = ListStore::create(route_display_columns);
 546         route_list_display.set_model (route_display_model);
 547         route_list_display.append_column (_("Show"), route_display_columns.visible);
 548         route_list_display.append_column (_("Name"), route_display_columns.text);
 549         route_list_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 550         route_list_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 551         route_list_display.set_headers_visible (true);
 552         route_list_display.set_name ("TrackListDisplay");
 553         route_list_display.get_selection()->set_mode (SELECTION_SINGLE);
 554         route_list_display.set_reorderable (true);
 555         route_list_display.set_size_request (100,-1);
 556         route_list_display.add_object_drag (route_display_columns.route.index(), "routes");
 557
 558         CellRendererToggle* route_list_visible_cell = dynamic_cast<CellRendererToggle*>(route_list_display.get_column_cell_renderer (0));
 559         route_list_visible_cell->property_activatable() = true;
 560         route_list_visible_cell->property_radio() = false;
 561
 562         route_display_model->signal_row_deleted().connect (mem_fun (*this, &Editor::route_list_delete));
 563         route_display_model->signal_row_changed().connect (mem_fun (*this, &Editor::route_list_change));
 564
 565         route_list_display.signal_button_press_event().connect (mem_fun (*this, &Editor::route_list_display_button_press), false);
 566
 567         route_list_scroller.add (route_list_display);
 568         route_list_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 569
 570         group_model = ListStore::create(group_columns);
 571         edit_group_display.set_model (group_model);
 572         edit_group_display.append_column (_("Name"), group_columns.text);
 573         edit_group_display.append_column (_("Active"), group_columns.is_active);
 574         edit_group_display.append_column (_("Show"), group_columns.is_visible);
 575         edit_group_display.get_column (0)->set_data (X_("colnum"), GUINT_TO_POINTER(0));
 576         edit_group_display.get_column (1)->set_data (X_("colnum"), GUINT_TO_POINTER(1));
 577         edit_group_display.get_column (2)->set_data (X_("colnum"), GUINT_TO_POINTER(2));
 578         edit_group_display.get_column (0)->set_expand (true);
 579         edit_group_display.get_column (1)->set_expand (false);
 580         edit_group_display.get_column (2)->set_expand (false);
 581         edit_group_display.set_headers_visible (true);
 582
 583         /* name is directly editable */
 584
 585         CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
 586         name_cell->property_editable() = true;
 587         name_cell->signal_edited().connect (mem_fun (*this, &Editor::edit_group_name_edit));
 588
 589         /* use checkbox for the active + visible columns */
 590
 591         CellRendererToggle* active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 592         active_cell->property_activatable() = true;
 593         active_cell->property_radio() = false;
 594
 595         active_cell = dynamic_cast<CellRendererToggle*>(edit_group_display.get_column_cell_renderer (1));
 596         active_cell->property_activatable() = true;
 597         active_cell->property_radio() = false;
 598
 599         group_model->signal_row_changed().connect (mem_fun (*this, &Editor::edit_group_row_change));
 600
 601         edit_group_display.set_name ("EditGroupList");
 602         edit_group_display.get_selection()->set_mode (SELECTION_SINGLE);
 603         edit_group_display.set_headers_visible (true);
 604         edit_group_display.set_reorderable (false);
 605         edit_group_display.set_rules_hint (true);
 606         edit_group_display.set_size_request (75, -1);
 607
 608         edit_group_display_scroller.add (edit_group_display);
 609         edit_group_display_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 610
 611         edit_group_display.signal_button_press_event().connect (mem_fun(*this, &Editor::edit_group_list_button_press_event), false);
 612
 613         VBox* edit_group_display_packer = manage (new VBox());
 614         HBox* edit_group_display_button_box = manage (new HBox());
 615         edit_group_display_button_box->set_homogeneous (true);
 616
 617         Button* edit_group_add_button = manage (new Button ());
 618         Button* edit_group_remove_button = manage (new Button ());
 619
 620         Widget* w;
 621
 622         w = manage (new Image (Stock::ADD, ICON_SIZE_BUTTON));
 623         w->show();
 624         edit_group_add_button->add (*w);
 625
 626         w = manage (new Image (Stock::REMOVE, ICON_SIZE_BUTTON));
 627         w->show();
 628         edit_group_remove_button->add (*w);
 629
 630         edit_group_add_button->signal_clicked().connect (mem_fun (*this, &Editor::new_edit_group));
 631         edit_group_remove_button->signal_clicked().connect (mem_fun (*this, &Editor::remove_selected_edit_group));
 632
 633         edit_group_display_button_box->pack_start (*edit_group_add_button);
 634         edit_group_display_button_box->pack_start (*edit_group_remove_button);
 635
 636         edit_group_display_packer->pack_start (edit_group_display_scroller, true, true);
 637         edit_group_display_packer->pack_start (*edit_group_display_button_box, false, false);
 638
 639         region_list_display.set_size_request (100, -1);
 640         region_list_display.set_name ("RegionListDisplay");
 641         /* Try to prevent single mouse presses from initiating edits.
 642            This relies on a hack in gtktreeview.c:gtk_treeview_button_press()
 643         */
 644         region_list_display.set_data ("mouse-edits-require-mod1", (gpointer) 0x1);
 645
 646         region_list_model = TreeStore::create (region_list_columns);
 647         region_list_model->set_sort_func (0, mem_fun (*this, &Editor::region_list_sorter));
 648         region_list_model->set_sort_column (0, SORT_ASCENDING);
 649
 650         region_list_display.set_model (region_list_model);
 651         region_list_display.append_column (_("Regions"), region_list_columns.name);
 652         region_list_display.append_column (_("Start"), region_list_columns.start);
 653         region_list_display.append_column (_("End"), region_list_columns.end);
 654         region_list_display.append_column (_("Length"), region_list_columns.length);
 655         region_list_display.append_column (_("Used"), region_list_columns.used);
 656         region_list_display.append_column (_("Path to parent file"), region_list_columns.path);
 657         region_list_display.set_headers_visible (true);
 658
 659         CellRendererText* region_name_cell = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
 660         region_name_cell->property_editable() = true;
 661         region_name_cell->signal_edited().connect (mem_fun (*this, &Editor::region_name_edit));
 662
 663         region_list_display.get_selection()->set_select_function (mem_fun (*this, &Editor::region_list_selection_filter));
 664
 665         TreeViewColumn* tv_col = region_list_display.get_column(0);
 666         CellRendererText* renderer = dynamic_cast<CellRendererText*>(region_list_display.get_column_cell_renderer (0));
 667         tv_col->add_attribute(renderer->property_text(), region_list_columns.name);
 668         tv_col->add_attribute(renderer->property_foreground_gdk(), region_list_columns.color_);
 669
 670         region_list_display.get_selection()->set_mode (SELECTION_MULTIPLE);
 671         region_list_display.add_object_drag (region_list_columns.region.index(), "regions");
 672
 673         /* setup DnD handling */
 674
 675         list<TargetEntry> region_list_target_table;
 676
 677         region_list_target_table.push_back (TargetEntry ("text/plain"));
 678         region_list_target_table.push_back (TargetEntry ("text/uri-list"));
 679         region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 680
 681         region_list_display.add_drop_targets (region_list_target_table);
 682         region_list_display.signal_drag_data_received().connect (mem_fun(*this, &Editor::region_list_display_drag_data_received));
 683
 684         region_list_scroller.add (region_list_display);
 685         region_list_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
 686
 687         region_list_display.signal_key_press_event().connect (mem_fun(*this, &Editor::region_list_display_key_press));
 688         region_list_display.signal_key_release_event().connect (mem_fun(*this, &Editor::region_list_display_key_release));
 689         region_list_display.signal_button_press_event().connect (mem_fun(*this, &Editor::region_list_display_button_press), false);
 690         region_list_display.signal_button_release_event().connect (mem_fun(*this, &Editor::region_list_display_button_release));
 691         region_list_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::region_list_selection_changed));
 692         // region_list_display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show_region_list_display_context_menu), 1, 0));
 693
 694         ARDOUR_UI::instance()->secondary_clock.mode_changed.connect (mem_fun(*this, &Editor::redisplay_regions));
 695         ARDOUR::Region::RegionPropertyChanged.connect (mem_fun(*this, &Editor::update_region_row));
 696
 697         named_selection_scroller.add (named_selection_display);
 698         named_selection_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 699
 700         named_selection_model = TreeStore::create (named_selection_columns);
 701         named_selection_display.set_model (named_selection_model);
 702         named_selection_display.append_column (_("Chunks"), named_selection_columns.text);
 703         named_selection_display.set_headers_visible (false);
 704         named_selection_display.set_size_request (100, -1);
 705         named_selection_display.set_name ("NamedSelectionDisplay");
 706
 707         named_selection_display.get_selection()->set_mode (SELECTION_SINGLE);
 708         named_selection_display.set_size_request (100, -1);
 709         named_selection_display.signal_button_release_event().connect (mem_fun(*this, &Editor::named_selection_display_button_release), false);
 710         named_selection_display.signal_key_release_event().connect (mem_fun(*this, &Editor::named_selection_display_key_release), false);
 711         named_selection_display.get_selection()->signal_changed().connect (mem_fun (*this, &Editor::named_selection_display_selection_changed));
 712
 713         /* SNAPSHOTS */
 714
 715         snapshot_display_model = ListStore::create (snapshot_display_columns);
 716         snapshot_display.set_model (snapshot_display_model);
 717         snapshot_display.append_column (X_("snapshot"), snapshot_display_columns.visible_name);
 718         snapshot_display.set_name ("SnapshotDisplay");
 719         snapshot_display.set_size_request (75, -1);
 720         snapshot_display.set_headers_visible (false);
 721         snapshot_display.set_reorderable (false);
 722         snapshot_display_scroller.add (snapshot_display);
 723         snapshot_display_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
 724
 725         snapshot_display.get_selection()->signal_changed().connect (mem_fun(*this, &Editor::snapshot_display_selection_changed));
 726         snapshot_display.signal_button_press_event().connect (mem_fun (*this, &Editor::snapshot_display_button_press), false);
 727
 728         Gtk::Label* nlabel;
 729
 730         nlabel = manage (new Label (_("Regions")));
 731         nlabel->set_angle (-90);
 732         the_notebook.append_page (region_list_scroller, *nlabel);
 733         nlabel = manage (new Label (_("Tracks/Busses")));
 734         nlabel->set_angle (-90);
 735         the_notebook.append_page (route_list_scroller, *nlabel);
 736         nlabel = manage (new Label (_("Snapshots")));
 737         nlabel->set_angle (-90);
 738         the_notebook.append_page (snapshot_display_scroller, *nlabel);
 739         nlabel = manage (new Label (_("Edit Groups")));
 740         nlabel->set_angle (-90);
 741         the_notebook.append_page (*edit_group_display_packer, *nlabel);
 742
 743         if (!Profile->get_sae()) {
 744                 nlabel = manage (new Label (_("Chunks")));
 745                 nlabel->set_angle (-90);
 746                 the_notebook.append_page (named_selection_scroller, *nlabel);
 747         }
 748
 749         the_notebook.set_show_tabs (true);
 750         the_notebook.set_scrollable (true);
 751         the_notebook.popup_enable ();
 752         the_notebook.set_tab_pos (Gtk::POS_RIGHT);
 753         the_notebook.show_all ();
 754
 755         post_maximal_editor_width = 0;
 756         post_maximal_pane_position = 0;
 757         edit_pane.pack1 (edit_packer, true, true);
 758         edit_pane.pack2 (the_notebook, false, true);
 759
 760         edit_pane.signal_size_allocate().connect (bind (mem_fun(*this, &Editor::pane_allocation_handler), static_cast<Paned*> (&edit_pane)));
 761
 762         top_hbox.pack_start (toolbar_frame, false, true);
 763         top_hbox.pack_start (midi_toolbar_frame, false, true);
 764
 765         HBox *hbox = manage (new HBox);
 766         hbox->pack_start (edit_pane, true, true);
 767
 768         global_vpacker.pack_start (top_hbox, false, false);
 769         global_vpacker.pack_start (*hbox, true, true);
 770
 771         global_hpacker.pack_start (global_vpacker, true, true);
 772
 773         set_name ("EditorWindow");
 774         add_accel_group (ActionManager::ui_manager->get_accel_group());
 775
 776         status_bar_hpacker.show ();
 777
 778         vpacker.pack_end (status_bar_hpacker, false, false);
 779         vpacker.pack_end (global_hpacker, true, true);
 780
 781         /* register actions now so that set_state() can find them and set toggles/checks etc */
 782
 783         register_actions ();
 784
 785         snap_type = SnapToBeat;
 786         set_snap_to (snap_type);
 787         snap_mode = SnapOff;
 788         set_snap_mode (snap_mode);
 789         set_edit_point_preference (EditAtMouse, true);
 790
 791         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
 792         set_state (*node);
 793
 794         _playlist_selector = new PlaylistSelector();
 795         _playlist_selector->signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (_playlist_selector)));
 796
 797         RegionView::RegionViewGoingAway.connect (mem_fun(*this, &Editor::catch_vanishing_regionview));
 798
 799         /* nudge stuff */
 800
 801         nudge_forward_button.add (*(manage (new Image (::get_icon("nudge_right")))));
 802         nudge_backward_button.add (*(manage (new Image (::get_icon("nudge_left")))));
 803
 804         ARDOUR_UI::instance()->tooltips().set_tip (nudge_forward_button, _("Nudge Region/Selection Forwards"));
 805         ARDOUR_UI::instance()->tooltips().set_tip (nudge_backward_button, _("Nudge Region/Selection Backwards"));
 806
 807         nudge_forward_button.set_name ("TransportButton");
 808         nudge_backward_button.set_name ("TransportButton");
 809
 810         fade_context_menu.set_name ("ArdourContextMenu");
 811
 812         /* icons, titles, WM stuff */
 813
 814         list<Glib::RefPtr<Gdk::Pixbuf> > window_icons;
 815         Glib::RefPtr<Gdk::Pixbuf> icon;
 816
 817         if ((icon = ::get_icon ("ardour_icon_16px")) != 0) {
 818                 window_icons.push_back (icon);
 819         }
 820         if ((icon = ::get_icon ("ardour_icon_22px")) != 0) {
 821                 window_icons.push_back (icon);
 822         }
 823         if ((icon = ::get_icon ("ardour_icon_32px")) != 0) {
 824                 window_icons.push_back (icon);
 825         }
 826         if ((icon = ::get_icon ("ardour_icon_48px")) != 0) {
 827                 window_icons.push_back (icon);
 828         }
 829         if (!window_icons.empty()) {
 830                 set_icon_list (window_icons);
 831                 set_default_icon_list (window_icons);
 832         }
 833
 834         WindowTitle title(Glib::get_application_name());
 835         title += _("Editor");
 836         set_title (title.get_string());
 837         set_wmclass (X_("ardour_editor"), "Ardour");
 838
 839         add (vpacker);
 840         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 841
 842         signal_configure_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
 843         signal_delete_event().connect (mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::exit_on_main_window_close));
 844
 845         /* allow external control surfaces/protocols to do various things */
 846
 847         ControlProtocol::ZoomToSession.connect (mem_fun (*this, &Editor::temporal_zoom_session));
 848         ControlProtocol::ZoomIn.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), false));
 849         ControlProtocol::ZoomOut.connect (bind (mem_fun (*this, &Editor::temporal_zoom_step), true));
 850         ControlProtocol::ScrollTimeline.connect (mem_fun (*this, &Editor::control_scroll));
 851         BasicUI::AccessAction.connect (mem_fun (*this, &Editor::access_action));
 852
 853         Config->ParameterChanged.connect (mem_fun (*this, &Editor::parameter_changed));
 854         Route::SyncOrderKeys.connect (mem_fun (*this, &Editor::sync_order_keys));
 855
 856         constructed = true;
 857         instant_save ();
 858 }
 859
 860 Editor::~Editor()
 861 {
 862 #ifdef WITH_CMT
 863         if(image_socket_listener) {
 864                 if(image_socket_listener->is_connected())
 865                 {
 866                         image_socket_listener->close_connection() ;
 867                 }
 868
 869                 delete image_socket_listener ;
 870                 image_socket_listener = 0 ;
 871         }
 872 #endif
 873
 874         if (track_canvas) {
 875                 delete track_canvas;
 876                 track_canvas = 0;
 877         }
 878 }
 879
 880 void
 881 Editor::add_toplevel_controls (Container& cont)
 882 {
 883         vpacker.pack_start (cont, false, false);
 884         cont.show_all ();
 885 }
 886
 887 void
 888 Editor::catch_vanishing_regionview (RegionView *rv)
 889 {
 890         /* note: the selection will take care of the vanishing
 891            audioregionview by itself.
 892         */
 893
 894         if (clicked_regionview == rv) {
 895                 clicked_regionview = 0;
 896         }
 897
 898         if (entered_regionview == rv) {
 899                 set_entered_regionview (0);
 900         }
 901 }
 902
 903 void
 904 Editor::set_entered_regionview (RegionView* rv)
 905 {
 906         if (rv == entered_regionview) {
 907                 return;
 908         }
 909
 910         if (entered_regionview) {
 911                 entered_regionview->exited ();
 912         }
 913
 914         if ((entered_regionview = rv) != 0) {
 915                 entered_regionview->entered ();
 916         }
 917 }
 918
 919 void
 920 Editor::set_entered_track (TimeAxisView* tav)
 921 {
 922         if (entered_track) {
 923                 entered_track->exited ();
 924         }
 925
 926         if ((entered_track = tav) != 0) {
 927                 entered_track->entered ();
 928         }
 929 }
 930
 931 void
 932 Editor::show_window ()
 933 {
 934         show_all_children ();
 935
 936         /* re-hide editor list if necessary */
 937         editor_list_button_toggled ();
 938
 939         /* now reset all audio_time_axis heights, because widgets might need
 940            to be re-hidden
 941         */
 942
 943         TimeAxisView *tv;
 944
 945         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 946                 tv = (static_cast<TimeAxisView*>(*i));
 947                 tv->reset_height ();
 948         }
 949
 950         present ();
 951 }
 952
 953 void
 954 Editor::instant_save ()
 955 {
 956         if (!constructed || !ARDOUR_UI::instance()->session_loaded) {
 957                 return;
 958         }
 959
 960         if (session) {
 961                 session->add_instant_xml(get_state());
 962         } else {
 963                 Config->add_instant_xml(get_state());
 964         }
 965 }
 966
 967 void
 968 Editor::edit_point_clock_changed()
 969 {
 970         if (_dragging_edit_point) {
 971                 return;
 972         }
 973
 974         if (selection->markers.empty()) {
 975                 return;
 976         }
 977
 978         bool ignored;
 979         Location* loc = find_location_from_marker (selection->markers.front(), ignored);
 980
 981         if (!loc) {
 982                 return;
 983         }
 984
 985         loc->move_to (edit_point_clock.current_time());
 986 }
 987
 988 void
 989 Editor::zoom_adjustment_changed ()
 990 {
 991         if (session == 0) {
 992                 return;
 993         }
 994
 995         double fpu = zoom_range_clock.current_duration() / canvas_width;
 996
 997         if (fpu < 1.0) {
 998                 fpu = 1.0;
 999                 zoom_range_clock.set ((nframes64_t) floor (fpu * canvas_width));
1000         } else if (fpu > session->current_end_frame() / canvas_width) {
1001                 fpu = session->current_end_frame() / canvas_width;
1002                 zoom_range_clock.set ((nframes64_t) floor (fpu * canvas_width));
1003         }
1004
1005         temporal_zoom (fpu);
1006 }
1007
1008 void
1009 Editor::control_scroll (float fraction)
1010 {
1011         ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::control_scroll), fraction));
1012
1013         if (!session) {
1014                 return;
1015         }
1016
1017         double step = fraction * current_page_frames();
1018
1019         /*
1020                 _control_scroll_target is an optional<T>
1021
1022                 it acts like a pointer to an nframes64_t, with
1023                 a operator conversion to boolean to check
1024                 that it has a value could possibly use
1025                 playhead_cursor->current_frame to store the
1026                 value and a boolean in the class to know
1027                 when it's out of date
1028         */
1029
1030         if (!_control_scroll_target) {
1031                 _control_scroll_target = session->transport_frame();
1032                 _dragging_playhead = true;
1033         }
1034
1035         if ((fraction < 0.0f) && (*_control_scroll_target < (nframes64_t) fabs(step))) {
1036                 *_control_scroll_target = 0;
1037         } else if ((fraction > 0.0f) && (max_frames - *_control_scroll_target < step)) {
1038                 *_control_scroll_target = max_frames - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
1039         } else {
1040                 *_control_scroll_target += (nframes64_t) floor (step);
1041         }
1042
1043         /* move visuals, we'll catch up with it later */
1044
1045         playhead_cursor->set_position (*_control_scroll_target);
1046         UpdateAllTransportClocks (*_control_scroll_target);
1047
1048         if (*_control_scroll_target > (current_page_frames() / 2)) {
1049                 /* try to center PH in window */
1050                 reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
1051         } else {
1052                 reset_x_origin (0);
1053         }
1054
1055         /*
1056                 Now we do a timeout to actually bring the session to the right place
1057                 according to the playhead. This is to avoid reading disk buffers on every
1058                 call to control_scroll, which is driven by ScrollTimeline and therefore
1059                 probably by a control surface wheel which can generate lots of events.
1060         */
1061         /* cancel the existing timeout */
1062
1063         control_scroll_connection.disconnect ();
1064
1065         /* add the next timeout */
1066
1067         control_scroll_connection = Glib::signal_timeout().connect (bind (mem_fun (*this, &Editor::deferred_control_scroll), *_control_scroll_target), 250);
1068 }
1069
1070 bool
1071 Editor::deferred_control_scroll (nframes64_t target)
1072 {
1073         session->request_locate (*_control_scroll_target, session->transport_rolling());
1074         // reset for next stream
1075         _control_scroll_target = boost::none;
1076         _dragging_playhead = false;
1077         return false;
1078 }
1079
1080 void
1081 Editor::access_action (std::string action_group, std::string action_item)
1082 {
1083         if (!session) {
1084                 return;
1085         }
1086
1087         ENSURE_GUI_THREAD (bind (mem_fun (*this, &Editor::access_action), action_group, action_item));
1088
1089         cout<< "OSC: Recieved: "<< action_item << endl;
1090
1091         RefPtr<Action> act;
1092         act = ActionManager::get_action( action_group.c_str(), action_item.c_str() );
1093
1094         if (act) {
1095                 act->activate();
1096         }
1097
1098
1099 }
1100
1101 void
1102 Editor::on_realize ()
1103 {
1104         Window::on_realize ();
1105         Realized ();
1106 }
1107
1108 void
1109 Editor::start_scrolling ()
1110 {
1111         scroll_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect
1112                 (mem_fun(*this, &Editor::update_current_screen));
1113
1114 }
1115
1116 void
1117 Editor::stop_scrolling ()
1118 {
1119         scroll_connection.disconnect ();
1120 }
1121
1122 void
1123 Editor::map_position_change (nframes64_t frame)
1124 {
1125         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::map_position_change), frame));
1126
1127         if (session == 0 || !_follow_playhead) {
1128                 return;
1129         }
1130
1131         center_screen (frame);
1132         playhead_cursor->set_position (frame);
1133 }
1134
1135 void
1136 Editor::center_screen (nframes64_t frame)
1137 {
1138         double page = canvas_width * frames_per_unit;
1139
1140         /* if we're off the page, then scroll.
1141          */
1142
1143         if (frame < leftmost_frame || frame >= leftmost_frame + page) {
1144                 center_screen_internal (frame, page);
1145         }
1146 }
1147
1148 void
1149 Editor::center_screen_internal (nframes64_t frame, float page)
1150 {
1151         page /= 2;
1152
1153         if (frame > page) {
1154                 frame -= (nframes64_t) page;
1155         } else {
1156                 frame = 0;
1157         }
1158
1159         reset_x_origin (frame);
1160 }
1161
1162 void
1163 Editor::handle_new_duration ()
1164 {
1165         ENSURE_GUI_THREAD (mem_fun (*this, &Editor::handle_new_duration));
1166
1167         nframes64_t new_end = session->get_maximum_extent() + (nframes64_t) floorf (current_page_frames() * 0.10f);
1168
1169         if (new_end > last_canvas_frame) {
1170                 last_canvas_frame = new_end;
1171                 horizontal_adjustment.set_upper (last_canvas_frame / frames_per_unit);
1172                 //reset_scrolling_region ();
1173         }
1174
1175         horizontal_adjustment.set_value (leftmost_frame/frames_per_unit);
1176         //cerr << "Editor::handle_new_duration () called ha v:l:u:ps:lcf = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << last_canvas_frame << endl;//DEBUG
1177 }
1178
1179 void
1180 Editor::update_title_s (const string & snap_name)
1181 {
1182         ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::update_title_s), snap_name));
1183
1184         update_title ();
1185 }
1186
1187 void
1188 Editor::update_title ()
1189 {
1190         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::update_title));
1191
1192         if (session) {
1193                 bool dirty = session->dirty();
1194
1195                 string session_name;
1196
1197                 if (session->snap_name() != session->name()) {
1198                         session_name = session->snap_name();
1199                 } else {
1200                         session_name = session->name();
1201                 }
1202
1203                 if (dirty) {
1204                         session_name = "*" + session_name;
1205                 }
1206
1207                 WindowTitle title(session_name);
1208                 title += Glib::get_application_name();
1209                 set_title (title.get_string());
1210         }
1211 }
1212
1213 void
1214 Editor::connect_to_session (Session *t)
1215 {
1216         session = t;
1217
1218         /* there are never any selected regions at startup */
1219
1220         sensitize_the_right_region_actions (false);
1221
1222         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
1223         set_state (*node);
1224
1225         /* catch up with the playhead */
1226
1227         session->request_locate (playhead_cursor->current_frame);
1228
1229         if (first_action_message) {
1230                 first_action_message->hide();
1231         }
1232
1233         update_title ();
1234
1235         session->GoingAway.connect (mem_fun(*this, &Editor::session_going_away));
1236         session->history().Changed.connect (mem_fun (*this, &Editor::history_changed));
1237
1238         /* These signals can all be emitted by a non-GUI thread. Therefore the
1239            handlers for them must not attempt to directly interact with the GUI,
1240            but use Gtkmm2ext::UI::instance()->call_slot();
1241         */
1242
1243         session_connections.push_back (session->TransportStateChange.connect (mem_fun(*this, &Editor::map_transport_state)));
1244         session_connections.push_back (session->PositionChanged.connect (mem_fun(*this, &Editor::map_position_change)));
1245         session_connections.push_back (session->RouteAdded.connect (mem_fun(*this, &Editor::handle_new_route)));
1246         session_connections.push_back (session->RegionsAdded.connect (mem_fun(*this, &Editor::handle_new_regions)));
1247         session_connections.push_back (session->RegionRemoved.connect (mem_fun(*this, &Editor::handle_region_removed)));
1248         session_connections.push_back (session->DurationChanged.connect (mem_fun(*this, &Editor::handle_new_duration)));
1249         session_connections.push_back (session->edit_group_added.connect (mem_fun(*this, &Editor::add_edit_group)));
1250         session_connections.push_back (session->edit_group_removed.connect (mem_fun(*this, &Editor::edit_groups_changed)));
1251         session_connections.push_back (session->NamedSelectionAdded.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1252         session_connections.push_back (session->NamedSelectionRemoved.connect (mem_fun(*this, &Editor::handle_new_named_selection)));
1253         session_connections.push_back (session->DirtyChanged.connect (mem_fun(*this, &Editor::update_title)));
1254         session_connections.push_back (session->StateSaved.connect (mem_fun(*this, &Editor::update_title_s)));
1255         session_connections.push_back (session->AskAboutPlaylistDeletion.connect (mem_fun(*this, &Editor::playlist_deletion_dialog)));
1256         session_connections.push_back (session->RegionHiddenChange.connect (mem_fun(*this, &Editor::region_hidden)));
1257
1258         session_connections.push_back (session->SMPTEOffsetChanged.connect (mem_fun(*this, &Editor::update_just_smpte)));
1259
1260         session_connections.push_back (session->tempo_map().StateChanged.connect (mem_fun(*this, &Editor::tempo_map_changed)));
1261
1262         edit_groups_changed ();
1263
1264         edit_point_clock.set_session (session);
1265         zoom_range_clock.set_session (session);
1266         _playlist_selector->set_session (session);
1267         nudge_clock.set_session (session);
1268         nudge_clock.set (session->frame_rate() * 5); // default of 5 seconds
1269
1270         playhead_cursor->canvas_item.show ();
1271
1272         if (rhythm_ferret) {
1273                 rhythm_ferret->set_session (session);
1274         }
1275
1276 #ifdef FFT_ANALYSIS
1277         if (analysis_window != 0)
1278                 analysis_window->set_session (session);
1279 #endif
1280
1281         Location* loc = session->locations()->auto_loop_location();
1282         if (loc == 0) {
1283                 loc = new Location (0, session->current_end_frame(), _("Loop"),(Location::Flags) (Location::IsAutoLoop | Location::IsHidden));
1284                 if (loc->start() == loc->end()) {
1285                         loc->set_end (loc->start() + 1);
1286                 }
1287                 session->locations()->add (loc, false);
1288                 session->set_auto_loop_location (loc);
1289         } else {
1290                 // force name
1291                 loc->set_name (_("Loop"));
1292         }
1293
1294         loc = session->locations()->auto_punch_location();
1295         if (loc == 0) {
1296                 loc = new Location (0, session->current_end_frame(), _("Punch"), (Location::Flags) (Location::IsAutoPunch | Location::IsHidden));
1297                 if (loc->start() == loc->end()) {
1298                         loc->set_end (loc->start() + 1);
1299                 }
1300                 session->locations()->add (loc, false);
1301                 session->set_auto_punch_location (loc);
1302         } else {
1303                 // force name
1304                 loc->set_name (_("Punch"));
1305         }
1306
1307         Config->map_parameters (mem_fun (*this, &Editor::parameter_changed));
1308
1309         session->StateSaved.connect (mem_fun(*this, &Editor::session_state_saved));
1310
1311         refresh_location_display ();
1312         session->locations()->added.connect (mem_fun(*this, &Editor::add_new_location));
1313         session->locations()->removed.connect (mem_fun(*this, &Editor::location_gone));
1314         session->locations()->changed.connect (mem_fun(*this, &Editor::refresh_location_display));
1315         session->locations()->StateChanged.connect (mem_fun(*this, &Editor::refresh_location_display_s));
1316         session->locations()->end_location()->changed.connect (mem_fun(*this, &Editor::end_location_changed));
1317
1318         if (sfbrowser) {
1319                 sfbrowser->set_session (session);
1320         }
1321
1322         handle_new_duration ();
1323
1324         redisplay_regions ();
1325         redisplay_named_selections ();
1326         redisplay_snapshots ();
1327
1328         initial_route_list_display ();
1329
1330         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
1331                 (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
1332         }
1333
1334         restore_ruler_visibility ();
1335         //tempo_map_changed (Change (0));
1336         session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
1337
1338         start_scrolling ();
1339
1340         /* don't show master bus in a new session */
1341
1342         if (ARDOUR_UI::instance()->session_is_new ()) {
1343
1344                 TreeModel::Children rows = route_display_model->children();
1345                 TreeModel::Children::iterator i;
1346
1347                 no_route_list_redisplay = true;
1348
1349                 for (i = rows.begin(); i != rows.end(); ++i) {
1350                         TimeAxisView *tv =  (*i)[route_display_columns.tv];
1351                         RouteTimeAxisView *rtv;
1352
1353                         if ((rtv = dynamic_cast<RouteTimeAxisView*>(tv)) != 0) {
1354                                 if (rtv->route()->is_master()) {
1355                                         route_list_display.get_selection()->unselect (i);
1356                                 }
1357                         }
1358                 }
1359
1360                 no_route_list_redisplay = false;
1361                 redisplay_route_list ();
1362         }
1363
1364         switch (snap_type) {
1365         case SnapToRegionStart:
1366         case SnapToRegionEnd:
1367         case SnapToRegionSync:
1368         case SnapToRegionBoundary:
1369                 build_region_boundary_cache ();
1370                 break;
1371
1372         default:
1373                 break;
1374         }
1375
1376         /* register for undo history */
1377         session->register_with_memento_command_factory(_id, this);
1378
1379         start_updating ();
1380 }
1381
1382 void
1383 Editor::build_cursors ()
1384 {
1385         using namespace Gdk;
1386
1387         Gdk::Color mbg ("#000000" ); /* Black */
1388         Gdk::Color mfg ("#0000ff" ); /* Blue. */
1389
1390         {
1391                 RefPtr<Bitmap> source, mask;
1392                 source = Bitmap::create (mag_bits, mag_width, mag_height);
1393                 mask = Bitmap::create (magmask_bits, mag_width, mag_height);
1394                 zoom_cursor = new Gdk::Cursor (source, mask, mfg, mbg, mag_x_hot, mag_y_hot);
1395         }
1396
1397         Gdk::Color fbg ("#ffffff" );
1398         Gdk::Color ffg  ("#000000" );
1399
1400         {
1401                 RefPtr<Bitmap> source, mask;
1402
1403                 source = Bitmap::create (fader_cursor_bits, fader_cursor_width, fader_cursor_height);
1404                 mask = Bitmap::create (fader_cursor_mask_bits, fader_cursor_width, fader_cursor_height);
1405                 fader_cursor = new Gdk::Cursor (source, mask, ffg, fbg, fader_cursor_x_hot, fader_cursor_y_hot);
1406         }
1407
1408         {
1409                 RefPtr<Bitmap> source, mask;
1410                 source = Bitmap::create (speaker_cursor_bits, speaker_cursor_width, speaker_cursor_height);
1411                 mask = Bitmap::create (speaker_cursor_mask_bits, speaker_cursor_width, speaker_cursor_height);
1412                 speaker_cursor = new Gdk::Cursor (source, mask, ffg, fbg, speaker_cursor_x_hot, speaker_cursor_y_hot);
1413         }
1414
1415         {
1416                 RefPtr<Bitmap> bits;
1417                 char pix[4] = { 0, 0, 0, 0 };
1418                 bits = Bitmap::create (pix, 2, 2);
1419                 Gdk::Color c;
1420                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1421         }
1422
1423         {
1424                 RefPtr<Bitmap> bits;
1425                 char pix[4] = { 0, 0, 0, 0 };
1426                 bits = Bitmap::create (pix, 2, 2);
1427                 Gdk::Color c;
1428                 transparent_cursor = new Gdk::Cursor (bits, bits, c, c, 0, 0);
1429         }
1430
1431
1432         grabber_cursor = new Gdk::Cursor (HAND2);
1433
1434         {
1435                 Glib::RefPtr<Gdk::Pixbuf> grabber_edit_point_pixbuf (::get_icon ("grabber_edit_point"));
1436                 grabber_edit_point_cursor = new Gdk::Cursor (Gdk::Display::get_default(), grabber_edit_point_pixbuf, 5, 17);
1437         }
1438
1439         cross_hair_cursor = new Gdk::Cursor (CROSSHAIR);
1440         trimmer_cursor =  new Gdk::Cursor (SB_H_DOUBLE_ARROW);
1441         selector_cursor = new Gdk::Cursor (XTERM);
1442         time_fx_cursor = new Gdk::Cursor (SIZING);
1443         wait_cursor = new Gdk::Cursor  (WATCH);
1444         timebar_cursor = new Gdk::Cursor(LEFT_PTR);
1445         midi_pencil_cursor = new Gdk::Cursor (PENCIL);
1446         midi_select_cursor = new Gdk::Cursor (CENTER_PTR);
1447         midi_resize_cursor = new Gdk::Cursor (SIZING);
1448         midi_erase_cursor = new Gdk::Cursor (DRAPED_BOX);
1449 }
1450
1451 /** Pop up a context menu for when the user clicks on a fade in or fade out */
1452 void
1453 Editor::popup_fade_context_menu (int button, int32_t time, ArdourCanvas::Item* item, ItemType item_type)
1454 {
1455         using namespace Menu_Helpers;
1456         AudioRegionView* arv = static_cast<AudioRegionView*> (item->get_data ("regionview"));
1457
1458         if (arv == 0) {
1459                 fatal << _("programming error: fade in canvas item has no regionview data pointer!") << endmsg;
1460                 /*NOTREACHED*/
1461         }
1462
1463         MenuList& items (fade_context_menu.items());
1464
1465         items.clear ();
1466
1467         switch (item_type) {
1468         case FadeInItem:
1469         case FadeInHandleItem:
1470                 if (arv->audio_region()->fade_in_active()) {
1471                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_in_active), false)));
1472                 } else {
1473                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_in_active), true)));
1474                 }
1475
1476                 items.push_back (SeparatorElem());
1477
1478                 if (Profile->get_sae()) {
1479                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1480                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1481                 } else {
1482                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Linear)));
1483                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Fast)));
1484                         items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogB)));
1485                         items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::LogA)));
1486                         items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_in_shape), AudioRegion::Slow)));
1487                 }
1488
1489                 break;
1490
1491         case FadeOutItem:
1492         case FadeOutHandleItem:
1493                 if (arv->audio_region()->fade_out_active()) {
1494                         items.push_back (MenuElem (_("Deactivate"), bind (mem_fun (*this, &Editor::set_fade_out_active), false)));
1495                 } else {
1496                         items.push_back (MenuElem (_("Activate"), bind (mem_fun (*this, &Editor::set_fade_out_active), true)));
1497                 }
1498
1499                 items.push_back (SeparatorElem());
1500
1501                 if (Profile->get_sae()) {
1502                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1503                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1504                 } else {
1505                         items.push_back (MenuElem (_("Linear"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Linear)));
1506                         items.push_back (MenuElem (_("Slowest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Slow)));
1507                         items.push_back (MenuElem (_("Slow"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogA)));
1508                         items.push_back (MenuElem (_("Fast"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::LogB)));
1509                         items.push_back (MenuElem (_("Fastest"), bind (mem_fun (*this, &Editor::set_fade_out_shape), AudioRegion::Fast)));
1510                 }
1511
1512                 break;
1513
1514         default:
1515                 fatal << _("programming error: ")
1516                       << X_("non-fade canvas item passed to popup_fade_context_menu()")
1517                       << endmsg;
1518                 /*NOTREACHED*/
1519         }
1520
1521         fade_context_menu.popup (button, time);
1522 }
1523
1524 void
1525 Editor::popup_track_context_menu (int button, int32_t time, ItemType item_type, bool with_selection, nframes64_t frame)
1526 {
1527         using namespace Menu_Helpers;
1528         Menu* (Editor::*build_menu_function)(nframes64_t);
1529         Menu *menu;
1530
1531         switch (item_type) {
1532         case RegionItem:
1533         case RegionViewName:
1534         case RegionViewNameHighlight:
1535                 if (with_selection) {
1536                         build_menu_function = &Editor::build_track_selection_context_menu;
1537                 } else {
1538                         build_menu_function = &Editor::build_track_region_context_menu;
1539                 }
1540                 break;
1541
1542         case SelectionItem:
1543                 if (with_selection) {
1544                         build_menu_function = &Editor::build_track_selection_context_menu;
1545                 } else {
1546                         build_menu_function = &Editor::build_track_context_menu;
1547                 }
1548                 break;
1549
1550         case CrossfadeViewItem:
1551                 build_menu_function = &Editor::build_track_crossfade_context_menu;
1552                 break;
1553
1554         case StreamItem:
1555                 if (clicked_routeview->get_diskstream()) {
1556                         build_menu_function = &Editor::build_track_context_menu;
1557                 } else {
1558                         build_menu_function = &Editor::build_track_bus_context_menu;
1559                 }
1560                 break;
1561
1562         default:
1563                 /* probably shouldn't happen but if it does, we don't care */
1564                 return;
1565         }
1566
1567         menu = (this->*build_menu_function)(frame);
1568         menu->set_name ("ArdourContextMenu");
1569
1570         /* now handle specific situations */
1571
1572         switch (item_type) {
1573         case RegionItem:
1574         case RegionViewName:
1575         case RegionViewNameHighlight:
1576                 if (!with_selection) {
1577                         if (region_edit_menu_split_item) {
1578                                 if (clicked_regionview && clicked_regionview->region()->covers (get_preferred_edit_position())) {
1579                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, true);
1580                                 } else {
1581                                         ActionManager::set_sensitive (ActionManager::edit_point_in_region_sensitive_actions, false);
1582                                 }
1583                         }
1584                         /*
1585                         if (region_edit_menu_split_multichannel_item) {
1586                                 if (clicked_regionview && clicked_regionview->region().n_channels() > 1) {
1587                                         // GTK2FIX find the action, change its sensitivity
1588                                         // region_edit_menu_split_multichannel_item->set_sensitive (true);
1589                                 } else {
1590                                         // GTK2FIX see above
1591                                         // region_edit_menu_split_multichannel_item->set_sensitive (false);
1592                                 }
1593                         }*/
1594                 }
1595                 break;
1596
1597         case SelectionItem:
1598                 break;
1599
1600         case CrossfadeViewItem:
1601                 break;
1602
1603         case StreamItem:
1604                 break;
1605
1606         default:
1607                 /* probably shouldn't happen but if it does, we don't care */
1608                 return;
1609         }
1610
1611         if (item_type != SelectionItem && clicked_routeview && clicked_routeview->audio_track()) {
1612
1613                 /* Bounce to disk */
1614
1615                 using namespace Menu_Helpers;
1616                 MenuList& edit_items  = menu->items();
1617
1618                 edit_items.push_back (SeparatorElem());
1619
1620                 switch (clicked_routeview->audio_track()->freeze_state()) {
1621                 case AudioTrack::NoFreeze:
1622                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1623                         break;
1624
1625                 case AudioTrack::Frozen:
1626                         edit_items.push_back (MenuElem (_("Unfreeze"), mem_fun(*this, &Editor::unfreeze_route)));
1627                         break;
1628
1629                 case AudioTrack::UnFrozen:
1630                         edit_items.push_back (MenuElem (_("Freeze"), mem_fun(*this, &Editor::freeze_route)));
1631                         break;
1632                 }
1633
1634         }
1635
1636         if (item_type == StreamItem && clicked_routeview) {
1637                 clicked_routeview->build_underlay_menu(menu);
1638         }
1639
1640         menu->popup (button, time);
1641 }
1642
1643 Menu*
1644 Editor::build_track_context_menu (nframes64_t ignored)
1645 {
1646         using namespace Menu_Helpers;
1647
1648         MenuList& edit_items = track_context_menu.items();
1649         edit_items.clear();
1650
1651         add_dstream_context_items (edit_items);
1652         return &track_context_menu;
1653 }
1654
1655 Menu*
1656 Editor::build_track_bus_context_menu (nframes64_t ignored)
1657 {
1658         using namespace Menu_Helpers;
1659
1660         MenuList& edit_items = track_context_menu.items();
1661         edit_items.clear();
1662
1663         add_bus_context_items (edit_items);
1664         return &track_context_menu;
1665 }
1666
1667 Menu*
1668 Editor::build_track_region_context_menu (nframes64_t frame)
1669 {
1670         using namespace Menu_Helpers;
1671         MenuList& edit_items  = track_region_context_menu.items();
1672         edit_items.clear();
1673
1674         RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_axisview);
1675
1676         if (rtv) {
1677                 boost::shared_ptr<Diskstream> ds;
1678                 boost::shared_ptr<Playlist> pl;
1679
1680                 if ((ds = rtv->get_diskstream()) && ((pl = ds->playlist()))) {
1681                         Playlist::RegionList* regions = pl->regions_at ((nframes64_t) floor ( (double)frame * ds->speed()));
1682
1683                         if (selection->regions.size() > 1) {
1684                                 // there's already a multiple selection: just add a
1685                                 // single region context menu that will act on all
1686                                 // selected regions
1687                                 boost::shared_ptr<Region> dummy_region; // = NULL
1688                                 add_region_context_items (rtv->view(), dummy_region, edit_items);
1689                         } else {
1690                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1691                                         add_region_context_items (rtv->view(), (*i), edit_items);
1692                                 }
1693                         }
1694
1695                         delete regions;
1696                 }
1697         }
1698
1699         add_dstream_context_items (edit_items);
1700
1701         return &track_region_context_menu;
1702 }
1703
1704 Menu*
1705 Editor::build_track_crossfade_context_menu (nframes64_t frame)
1706 {
1707         using namespace Menu_Helpers;
1708         MenuList& edit_items  = track_crossfade_context_menu.items();
1709         edit_items.clear ();
1710
1711         AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*> (clicked_axisview);
1712
1713         if (atv) {
1714                 boost::shared_ptr<Diskstream> ds;
1715                 boost::shared_ptr<Playlist> pl;
1716                 boost::shared_ptr<AudioPlaylist> apl;
1717
1718                 if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()) != 0) && ((apl = boost::dynamic_pointer_cast<AudioPlaylist> (pl)) != 0)) {
1719
1720                         Playlist::RegionList* regions = pl->regions_at (frame);
1721                         AudioPlaylist::Crossfades xfades;
1722
1723                         apl->crossfades_at (frame, xfades);
1724
1725                         bool many = xfades.size() > 1;
1726
1727                         for (AudioPlaylist::Crossfades::iterator i = xfades.begin(); i != xfades.end(); ++i) {
1728                                 add_crossfade_context_items (atv->audio_view(), (*i), edit_items, many);
1729                         }
1730
1731                         if (selection->regions.size() > 1) {
1732                                 // there's already a multiple selection: just add a
1733                                 // single region context menu that will act on all
1734                                 // selected regions
1735                                 boost::shared_ptr<Region> dummy_region; // = NULL
1736                                 add_region_context_items (atv->audio_view(), dummy_region, edit_items);
1737                         } else {
1738                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
1739                                         add_region_context_items (atv->audio_view(), (*i), edit_items);
1740                                 }
1741                         }
1742                         delete regions;
1743                 }
1744         }
1745
1746         add_dstream_context_items (edit_items);
1747
1748         return &track_crossfade_context_menu;
1749 }
1750
1751 #ifdef FFT_ANALYSIS
1752 void
1753 Editor::analyze_region_selection()
1754 {
1755         if (analysis_window == 0) {
1756                 analysis_window = new AnalysisWindow();
1757
1758                 if (session != 0)
1759                         analysis_window->set_session(session);
1760
1761                 analysis_window->show_all();
1762         }
1763
1764         analysis_window->set_regionmode();
1765         analysis_window->analyze();
1766
1767         analysis_window->present();
1768 }
1769
1770 void
1771 Editor::analyze_range_selection()
1772 {
1773         if (analysis_window == 0) {
1774                 analysis_window = new AnalysisWindow();
1775
1776                 if (session != 0)
1777                         analysis_window->set_session(session);
1778
1779                 analysis_window->show_all();
1780         }
1781
1782         analysis_window->set_rangemode();
1783         analysis_window->analyze();
1784
1785         analysis_window->present();
1786 }
1787 #endif /* FFT_ANALYSIS */
1788
1789 Menu*
1790 Editor::build_track_selection_context_menu (nframes64_t ignored)
1791 {
1792         using namespace Menu_Helpers;
1793         MenuList& edit_items  = track_selection_context_menu.items();
1794         edit_items.clear ();
1795
1796         add_selection_context_items (edit_items);
1797         // edit_items.push_back (SeparatorElem());
1798         // add_dstream_context_items (edit_items);
1799
1800         return &track_selection_context_menu;
1801 }
1802
1803 /** Add context menu items relevant to crossfades.
1804  * @param edit_items List to add the items to.
1805  */
1806 void
1807 Editor::add_crossfade_context_items (AudioStreamView* view, boost::shared_ptr<Crossfade> xfade, Menu_Helpers::MenuList& edit_items, bool many)
1808 {
1809         using namespace Menu_Helpers;
1810         Menu     *xfade_menu = manage (new Menu);
1811         MenuList& items       = xfade_menu->items();
1812         xfade_menu->set_name ("ArdourContextMenu");
1813         string str;
1814
1815         if (xfade->active()) {
1816                 str = _("Mute");
1817         } else {
1818                 str = _("Unmute");
1819         }
1820
1821         items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_active), boost::weak_ptr<Crossfade> (xfade))));
1822         items.push_back (MenuElem (_("Edit"), bind (mem_fun(*this, &Editor::edit_xfade), boost::weak_ptr<Crossfade> (xfade))));
1823
1824         if (xfade->can_follow_overlap()) {
1825
1826                 if (xfade->following_overlap()) {
1827                         str = _("Convert to short");
1828                 } else {
1829                         str = _("Convert to full");
1830                 }
1831
1832                 items.push_back (MenuElem (str, bind (mem_fun(*this, &Editor::toggle_xfade_length), xfade)));
1833         }
1834
1835         if (many) {
1836                 str = xfade->out()->name();
1837                 str += "->";
1838                 str += xfade->in()->name();
1839         } else {
1840                 str = _("Crossfade");
1841         }
1842
1843         edit_items.push_back (MenuElem (str, *xfade_menu));
1844         edit_items.push_back (SeparatorElem());
1845 }
1846
1847 void
1848 Editor::xfade_edit_left_region ()
1849 {
1850         if (clicked_crossfadeview) {
1851                 clicked_crossfadeview->left_view.show_region_editor ();
1852         }
1853 }
1854
1855 void
1856 Editor::xfade_edit_right_region ()
1857 {
1858         if (clicked_crossfadeview) {
1859                 clicked_crossfadeview->right_view.show_region_editor ();
1860         }
1861 }
1862
1863 /** Add an element to a menu, settings its sensitivity.
1864  * @param m Menu to add to.
1865  * @param e Element to add.
1866  * @param s true to make sensitive, false to make insensitive
1867  */
1868 void
1869 Editor::add_item_with_sensitivity (Menu_Helpers::MenuList& m, Menu_Helpers::MenuElem e, bool s) const
1870 {
1871         m.push_back (e);
1872         if (!s) {
1873                 m.back().set_sensitive (false);
1874         }
1875 }
1876
1877 void
1878 Editor::add_region_context_items (StreamView* sv, boost::shared_ptr<Region> region, Menu_Helpers::MenuList& edit_items)
1879 {
1880         using namespace Menu_Helpers;
1881         Menu     *region_menu = manage (new Menu);
1882         MenuList& items       = region_menu->items();
1883         region_menu->set_name ("ArdourContextMenu");
1884
1885         boost::shared_ptr<AudioRegion> ar;
1886         boost::shared_ptr<MidiRegion>  mr;
1887
1888         if (region) {
1889                 ar = boost::dynamic_pointer_cast<AudioRegion> (region);
1890                 mr = boost::dynamic_pointer_cast<MidiRegion> (region);
1891
1892                 /* when this particular menu pops up, make the relevant region
1893                    become selected.
1894                 */
1895
1896                 region_menu->signal_map_event().connect (
1897                         bind (mem_fun(*this, &Editor::set_selected_regionview_from_map_event), sv, boost::weak_ptr<Region>(region)));
1898
1899                 items.push_back (MenuElem (_("Rename"), mem_fun(*this, &Editor::rename_region)));
1900                 items.push_back (MenuElem (_("Popup region editor"), mem_fun(*this, &Editor::edit_region)));
1901         }
1902
1903         items.push_back (MenuElem (_("Raise to top layer"), mem_fun(*this, &Editor::raise_region_to_top)));
1904         items.push_back (MenuElem (_("Lower to bottom layer"), mem_fun  (*this, &Editor::lower_region_to_bottom)));
1905         items.push_back (SeparatorElem());
1906         items.push_back (MenuElem (_("Define sync point"), mem_fun(*this, &Editor::set_region_sync_from_edit_point)));
1907         items.push_back (MenuElem (_("Remove sync point"), mem_fun(*this, &Editor::remove_region_sync)));
1908         items.push_back (SeparatorElem());
1909
1910         items.push_back (MenuElem (_("Audition"), mem_fun(*this, &Editor::play_selected_region)));
1911         items.push_back (MenuElem (_("Export"), mem_fun(*this, &Editor::export_region)));
1912         items.push_back (MenuElem (_("Bounce"), mem_fun(*this, &Editor::bounce_region_selection)));
1913
1914 #ifdef FFT_ANALYSIS
1915         if (ar) {
1916                 items.push_back (MenuElem (_("Spectral Analysis"), mem_fun(*this, &Editor::analyze_region_selection)));
1917         }
1918 #endif
1919
1920         items.push_back (SeparatorElem());
1921
1922         sigc::connection fooc;
1923         boost::shared_ptr<Region> region_to_check;
1924
1925         if (region) {
1926                 region_to_check = region;
1927         } else {
1928                 region_to_check = selection->regions.front()->region();
1929         }
1930
1931         items.push_back (CheckMenuElem (_("Lock")));
1932         CheckMenuItem* region_lock_item = static_cast<CheckMenuItem*>(&items.back());
1933         if (region_to_check->locked()) {
1934                 region_lock_item->set_active();
1935         }
1936         region_lock_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_lock));
1937
1938         items.push_back (CheckMenuElem (_("Glue to Bars&Beats")));
1939         CheckMenuItem* bbt_glue_item = static_cast<CheckMenuItem*>(&items.back());
1940
1941         switch (region_to_check->positional_lock_style()) {
1942         case Region::MusicTime:
1943                 bbt_glue_item->set_active (true);
1944                 break;
1945         default:
1946                 bbt_glue_item->set_active (false);
1947                 break;
1948         }
1949
1950         bbt_glue_item->signal_activate().connect (bind (mem_fun (*this, &Editor::set_region_lock_style), Region::MusicTime));
1951
1952         items.push_back (CheckMenuElem (_("Mute")));
1953         CheckMenuItem* region_mute_item = static_cast<CheckMenuItem*>(&items.back());
1954         fooc = region_mute_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_mute));
1955         if (region_to_check->muted()) {
1956                 fooc.block (true);
1957                 region_mute_item->set_active();
1958                 fooc.block (false);
1959         }
1960
1961         if (!Profile->get_sae()) {
1962                 items.push_back (CheckMenuElem (_("Opaque")));
1963                 CheckMenuItem* region_opaque_item = static_cast<CheckMenuItem*>(&items.back());
1964                 fooc = region_opaque_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_region_opaque));
1965                 if (region_to_check->opaque()) {
1966                         fooc.block (true);
1967                         region_opaque_item->set_active();
1968                         fooc.block (false);
1969                 }
1970         }
1971
1972         items.push_back (CheckMenuElem (_("Original position"), mem_fun(*this, &Editor::naturalize)));
1973         if (region_to_check->at_natural_position()) {
1974                 items.back().set_sensitive (false);
1975         }
1976
1977         items.push_back (SeparatorElem());
1978
1979         if (ar) {
1980
1981                 RegionView* rv = sv->find_view (ar);
1982                 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
1983
1984                 if (!Profile->get_sae()) {
1985                         items.push_back (MenuElem (_("Reset Envelope"), mem_fun(*this, &Editor::reset_region_gain_envelopes)));
1986
1987                         items.push_back (CheckMenuElem (_("Envelope Visible")));
1988                         CheckMenuItem* region_envelope_visible_item = static_cast<CheckMenuItem*> (&items.back());
1989                         fooc = region_envelope_visible_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_gain_envelope_visibility));
1990                         if (arv->envelope_visible()) {
1991                                 fooc.block (true);
1992                                 region_envelope_visible_item->set_active (true);
1993                                 fooc.block (false);
1994                         }
1995
1996                         items.push_back (CheckMenuElem (_("Envelope Active")));
1997                         CheckMenuItem* region_envelope_active_item = static_cast<CheckMenuItem*> (&items.back());
1998                         fooc = region_envelope_active_item->signal_activate().connect (mem_fun(*this, &Editor::toggle_gain_envelope_active));
1999
2000                         if (ar->envelope_active()) {
2001                                 fooc.block (true);
2002                                 region_envelope_active_item->set_active (true);
2003                                 fooc.block (false);
2004                         }
2005
2006                         items.push_back (SeparatorElem());
2007                 }
2008
2009                 if (ar->scale_amplitude() != 1.0f) {
2010                         items.push_back (MenuElem (_("DeNormalize"), mem_fun(*this, &Editor::denormalize_region)));
2011                 } else {
2012                         items.push_back (MenuElem (_("Normalize"), mem_fun(*this, &Editor::normalize_region)));
2013                 }
2014
2015         } else if (mr) {
2016                 items.push_back (MenuElem (_("Quantize"), mem_fun(*this, &Editor::quantize_region)));
2017                 items.push_back (SeparatorElem());
2018         }
2019
2020         items.push_back (MenuElem (_("Reverse"), mem_fun(*this, &Editor::reverse_region)));
2021         items.push_back (SeparatorElem());
2022
2023         /* range related stuff */
2024
2025         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_audio_region)));
2026         items.push_back (MenuElem (_("Set Range Selection"), mem_fun (*this, &Editor::set_selection_from_region)));
2027         items.push_back (SeparatorElem());
2028
2029         /* Nudge region */
2030
2031         Menu *nudge_menu = manage (new Menu());
2032         MenuList& nudge_items = nudge_menu->items();
2033         nudge_menu->set_name ("ArdourContextMenu");
2034
2035         nudge_items.push_back (MenuElem (_("Nudge fwd"), (bind (mem_fun(*this, &Editor::nudge_forward), false, false))));
2036         nudge_items.push_back (MenuElem (_("Nudge bwd"), (bind (mem_fun(*this, &Editor::nudge_backward), false, false))));
2037         nudge_items.push_back (MenuElem (_("Nudge fwd by capture offset"), (mem_fun(*this, &Editor::nudge_forward_capture_offset))));
2038         nudge_items.push_back (MenuElem (_("Nudge bwd by capture offset"), (mem_fun(*this, &Editor::nudge_backward_capture_offset))));
2039
2040         items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2041         items.push_back (SeparatorElem());
2042
2043         Menu *trim_menu = manage (new Menu);
2044         MenuList& trim_items = trim_menu->items();
2045         trim_menu->set_name ("ArdourContextMenu");
2046
2047         trim_items.push_back (MenuElem (_("Start to edit point"), mem_fun(*this, &Editor::trim_region_from_edit_point)));
2048         trim_items.push_back (MenuElem (_("Edit point to end"), mem_fun(*this, &Editor::trim_region_to_edit_point)));
2049         trim_items.push_back (MenuElem (_("Trim To Loop"), mem_fun(*this, &Editor::trim_region_to_loop)));
2050         trim_items.push_back (MenuElem (_("Trim To Punch"), mem_fun(*this, &Editor::trim_region_to_punch)));
2051
2052         items.push_back (MenuElem (_("Trim"), *trim_menu));
2053         items.push_back (SeparatorElem());
2054
2055         items.push_back (MenuElem (_("Split"), (mem_fun(*this, &Editor::split_region))));
2056         region_edit_menu_split_item = &items.back();
2057
2058         items.push_back (MenuElem (_("Make mono regions"), (mem_fun(*this, &Editor::split_multichannel_region))));
2059         region_edit_menu_split_multichannel_item = &items.back();
2060
2061         items.push_back (MenuElem (_("Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), false))));
2062         items.push_back (MenuElem (_("Multi-Duplicate"), (bind (mem_fun(*this, &Editor::duplicate_dialog), true))));
2063         items.push_back (MenuElem (_("Fill Track"), (mem_fun(*this, &Editor::region_fill_track))));
2064         items.push_back (SeparatorElem());
2065         items.push_back (MenuElem (_("Remove"), mem_fun(*this, &Editor::remove_selected_regions)));
2066
2067         /* OK, stick the region submenu at the top of the list, and then add
2068            the standard items.
2069         */
2070
2071         /* we have to hack up the region name because "_" has a special
2072            meaning for menu titles.
2073         */
2074
2075         string::size_type pos = 0;
2076         string menu_item_name = (region) ? region->name() : _("Selected regions");
2077
2078         while ((pos = menu_item_name.find ("_", pos)) != string::npos) {
2079                 menu_item_name.replace (pos, 1, "__");
2080                 pos += 2;
2081         }
2082
2083         edit_items.push_back (MenuElem (menu_item_name, *region_menu));
2084         edit_items.push_back (SeparatorElem());
2085 }
2086
2087 /** Add context menu items relevant to selection ranges.
2088  * @param edit_items List to add the items to.
2089  */
2090 void
2091 Editor::add_selection_context_items (Menu_Helpers::MenuList& edit_items)
2092 {
2093         using namespace Menu_Helpers;
2094         Menu     *selection_menu = manage (new Menu);
2095         MenuList& items       = selection_menu->items();
2096         selection_menu->set_name ("ArdourContextMenu");
2097
2098         items.push_back (MenuElem (_("Play range"), mem_fun(*this, &Editor::play_selection)));
2099         items.push_back (MenuElem (_("Loop range"), bind (mem_fun(*this, &Editor::set_loop_from_selection), true)));
2100
2101 #ifdef FFT_ANALYSIS
2102         items.push_back (SeparatorElem());
2103         items.push_back (MenuElem (_("Spectral Analysis"), mem_fun(*this, &Editor::analyze_range_selection)));
2104 #endif
2105
2106         items.push_back (SeparatorElem());
2107         items.push_back (MenuElem (_("Extend Range to End of Region"), bind (mem_fun(*this, &Editor::extend_selection_to_end_of_region), false)));
2108         items.push_back (MenuElem (_("Extend Range to Start of Region"), bind (mem_fun(*this, &Editor::extend_selection_to_start_of_region), false)));
2109
2110         items.push_back (SeparatorElem());
2111         items.push_back (MenuElem (_("Convert to region in-place"), mem_fun(*this, &Editor::separate_region_from_selection)));
2112         items.push_back (MenuElem (_("Convert to region in region list"), mem_fun(*this, &Editor::new_region_from_selection)));
2113
2114         items.push_back (SeparatorElem());
2115         items.push_back (MenuElem (_("Select all in range"), mem_fun(*this, &Editor::select_all_selectables_using_time_selection)));
2116
2117         items.push_back (SeparatorElem());
2118         items.push_back (MenuElem (_("Set loop from selection"), bind (mem_fun(*this, &Editor::set_loop_from_selection), false)));
2119         items.push_back (MenuElem (_("Set punch from selection"), mem_fun(*this, &Editor::set_punch_from_selection)));
2120
2121         items.push_back (SeparatorElem());
2122         items.push_back (MenuElem (_("Add Range Markers"), mem_fun (*this, &Editor::add_location_from_selection)));
2123         items.push_back (SeparatorElem());
2124         items.push_back (MenuElem (_("Crop region to range"), mem_fun(*this, &Editor::crop_region_to_selection)));
2125         items.push_back (MenuElem (_("Fill range with region"), mem_fun(*this, &Editor::region_fill_selection)));
2126         items.push_back (MenuElem (_("Duplicate range"), bind (mem_fun(*this, &Editor::duplicate_dialog), false)));
2127         items.push_back (MenuElem (_("Create chunk from range"), mem_fun(*this, &Editor::create_named_selection)));
2128         items.push_back (SeparatorElem());
2129         items.push_back (MenuElem (_("Consolidate range"), bind (mem_fun(*this, &Editor::bounce_range_selection), true)));
2130         items.push_back (MenuElem (_("Bounce range to region list"), bind (mem_fun(*this, &Editor::bounce_range_selection), false)));
2131         items.push_back (MenuElem (_("Export range"), mem_fun(*this, &Editor::export_range)));
2132 }
2133
2134
2135 void
2136 Editor::add_dstream_context_items (Menu_Helpers::MenuList& edit_items)
2137 {
2138         using namespace Menu_Helpers;
2139
2140         /* Playback */
2141
2142         Menu *play_menu = manage (new Menu);
2143         MenuList& play_items = play_menu->items();
2144         play_menu->set_name ("ArdourContextMenu");
2145
2146         play_items.push_back (MenuElem (_("Play from edit point"), mem_fun(*this, &Editor::play_from_edit_point)));
2147         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2148         play_items.push_back (MenuElem (_("Play region"), mem_fun(*this, &Editor::play_selected_region)));
2149         play_items.push_back (SeparatorElem());
2150         play_items.push_back (MenuElem (_("Loop Region"), mem_fun(*this, &Editor::loop_selected_region)));
2151
2152         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2153
2154         /* Selection */
2155
2156         Menu *select_menu = manage (new Menu);
2157         MenuList& select_items = select_menu->items();
2158         select_menu->set_name ("ArdourContextMenu");
2159
2160         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2161         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2162         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2163         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2164         select_items.push_back (SeparatorElem());
2165         select_items.push_back (MenuElem (_("Set range to loop range"), mem_fun(*this, &Editor::set_selection_from_loop)));
2166         select_items.push_back (MenuElem (_("Set range to punch range"), mem_fun(*this, &Editor::set_selection_from_punch)));
2167         select_items.push_back (SeparatorElem());
2168         select_items.push_back (MenuElem (_("Select All After Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2169         select_items.push_back (MenuElem (_("Select All Before Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2170         select_items.push_back (MenuElem (_("Select All After Playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2171         select_items.push_back (MenuElem (_("Select All Before Playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2172         select_items.push_back (MenuElem (_("Select All Between Playhead & Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_between), false)));
2173         select_items.push_back (MenuElem (_("Select All Within Playhead & Edit Point"), bind (mem_fun(*this, &Editor::select_all_selectables_between), true)));
2174         select_items.push_back (MenuElem (_("Select Range Between Playhead & Edit Point"), mem_fun(*this, &Editor::select_range_between)));
2175
2176         select_items.push_back (SeparatorElem());
2177
2178         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2179
2180         /* Cut-n-Paste */
2181
2182         Menu *cutnpaste_menu = manage (new Menu);
2183         MenuList& cutnpaste_items = cutnpaste_menu->items();
2184         cutnpaste_menu->set_name ("ArdourContextMenu");
2185
2186         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2187         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2188         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2189
2190         cutnpaste_items.push_back (SeparatorElem());
2191
2192         cutnpaste_items.push_back (MenuElem (_("Align"), bind (mem_fun(*this, &Editor::align), ARDOUR::SyncPoint)));
2193         cutnpaste_items.push_back (MenuElem (_("Align Relative"), bind (mem_fun(*this, &Editor::align_relative), ARDOUR::SyncPoint)));
2194
2195         cutnpaste_items.push_back (SeparatorElem());
2196
2197         cutnpaste_items.push_back (MenuElem (_("Insert chunk"), bind (mem_fun(*this, &Editor::paste_named_selection), 1.0f)));
2198
2199         edit_items.push_back (MenuElem (_("Edit"), *cutnpaste_menu));
2200
2201         /* Adding new material */
2202
2203         edit_items.push_back (SeparatorElem());
2204         edit_items.push_back (MenuElem (_("Insert Selected Region"), bind (mem_fun(*this, &Editor::insert_region_list_selection), 1.0f)));
2205         edit_items.push_back (MenuElem (_("Insert Existing Media"), bind (mem_fun(*this, &Editor::add_external_audio_action), ImportToTrack)));
2206
2207         /* Nudge track */
2208
2209         Menu *nudge_menu = manage (new Menu());
2210         MenuList& nudge_items = nudge_menu->items();
2211         nudge_menu->set_name ("ArdourContextMenu");
2212
2213         edit_items.push_back (SeparatorElem());
2214         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2215         nudge_items.push_back (MenuElem (_("Nudge track after edit point fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2216         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2217         nudge_items.push_back (MenuElem (_("Nudge track after edit point bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2218
2219         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2220 }
2221
2222 void
2223 Editor::add_bus_context_items (Menu_Helpers::MenuList& edit_items)
2224 {
2225         using namespace Menu_Helpers;
2226
2227         /* Playback */
2228
2229         Menu *play_menu = manage (new Menu);
2230         MenuList& play_items = play_menu->items();
2231         play_menu->set_name ("ArdourContextMenu");
2232
2233         play_items.push_back (MenuElem (_("Play from edit point"), mem_fun(*this, &Editor::play_from_edit_point)));
2234         play_items.push_back (MenuElem (_("Play from start"), mem_fun(*this, &Editor::play_from_start)));
2235         edit_items.push_back (MenuElem (_("Play"), *play_menu));
2236
2237         /* Selection */
2238
2239         Menu *select_menu = manage (new Menu);
2240         MenuList& select_items = select_menu->items();
2241         select_menu->set_name ("ArdourContextMenu");
2242
2243         select_items.push_back (MenuElem (_("Select All in track"), bind (mem_fun(*this, &Editor::select_all_in_track), Selection::Set)));
2244         select_items.push_back (MenuElem (_("Select All"), bind (mem_fun(*this, &Editor::select_all), Selection::Set)));
2245         select_items.push_back (MenuElem (_("Invert selection in track"), mem_fun(*this, &Editor::invert_selection_in_track)));
2246         select_items.push_back (MenuElem (_("Invert selection"), mem_fun(*this, &Editor::invert_selection)));
2247         select_items.push_back (SeparatorElem());
2248         select_items.push_back (MenuElem (_("Select all after edit point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), true)));
2249         select_items.push_back (MenuElem (_("Select all before edit point"), bind (mem_fun(*this, &Editor::select_all_selectables_using_edit), false)));
2250         select_items.push_back (MenuElem (_("Select all after playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, true)));
2251         select_items.push_back (MenuElem (_("Select all before playhead"), bind (mem_fun(*this, &Editor::select_all_selectables_using_cursor), playhead_cursor, false)));
2252
2253         edit_items.push_back (MenuElem (_("Select"), *select_menu));
2254
2255         /* Cut-n-Paste */
2256
2257         Menu *cutnpaste_menu = manage (new Menu);
2258         MenuList& cutnpaste_items = cutnpaste_menu->items();
2259         cutnpaste_menu->set_name ("ArdourContextMenu");
2260
2261         cutnpaste_items.push_back (MenuElem (_("Cut"), mem_fun(*this, &Editor::cut)));
2262         cutnpaste_items.push_back (MenuElem (_("Copy"), mem_fun(*this, &Editor::copy)));
2263         cutnpaste_items.push_back (MenuElem (_("Paste"), bind (mem_fun(*this, &Editor::paste), 1.0f)));
2264
2265         Menu *nudge_menu = manage (new Menu());
2266         MenuList& nudge_items = nudge_menu->items();
2267         nudge_menu->set_name ("ArdourContextMenu");
2268
2269         edit_items.push_back (SeparatorElem());
2270         nudge_items.push_back (MenuElem (_("Nudge entire track fwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, true))));
2271         nudge_items.push_back (MenuElem (_("Nudge track after edit point fwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, true))));
2272         nudge_items.push_back (MenuElem (_("Nudge entire track bwd"), (bind (mem_fun(*this, &Editor::nudge_track), false, false))));
2273         nudge_items.push_back (MenuElem (_("Nudge track after edit point bwd"), (bind (mem_fun(*this, &Editor::nudge_track), true, false))));
2274
2275         edit_items.push_back (MenuElem (_("Nudge"), *nudge_menu));
2276 }
2277
2278 void
2279 Editor::set_snap_to (SnapType st)
2280 {
2281         unsigned int snap_ind = (unsigned int)st;
2282
2283         snap_type = st;
2284
2285         if (snap_ind > snap_type_strings.size() - 1) {
2286                 snap_ind = 0;
2287                 snap_type = (SnapType)snap_ind;
2288         }
2289
2290         string str = snap_type_strings[snap_ind];
2291
2292         if (str != snap_type_selector.get_active_text()) {
2293                 snap_type_selector.set_active_text (str);
2294         }
2295
2296         instant_save ();
2297
2298         switch (snap_type) {
2299         case SnapToAThirtysecondBeat:
2300         case SnapToASixteenthBeat:
2301         case SnapToAEighthBeat:
2302         case SnapToAQuarterBeat:
2303         case SnapToAThirdBeat:
2304                 compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + (nframes_t)(edit_packer.get_width() * frames_per_unit));
2305                 update_tempo_based_rulers ();
2306                 break;
2307
2308         case SnapToRegionStart:
2309         case SnapToRegionEnd:
2310         case SnapToRegionSync:
2311         case SnapToRegionBoundary:
2312                 build_region_boundary_cache ();
2313                 break;
2314
2315         default:
2316                 /* relax */
2317                 break;
2318     }
2319 }
2320
2321 void
2322 Editor::set_snap_mode (SnapMode mode)
2323 {
2324         snap_mode = mode;
2325         string str = snap_mode_strings[(int)mode];
2326
2327         if (str != snap_mode_selector.get_active_text ()) {
2328                 snap_mode_selector.set_active_text (str);
2329         }
2330
2331         instant_save ();
2332 }
2333 void
2334 Editor::set_edit_point_preference (EditPoint ep, bool force)
2335 {
2336         bool changed = (_edit_point != ep);
2337
2338         _edit_point = ep;
2339         string str = edit_point_strings[(int)ep];
2340
2341         if (str != edit_point_selector.get_active_text ()) {
2342                 edit_point_selector.set_active_text (str);
2343         }
2344
2345         set_canvas_cursor ();
2346
2347         if (!force && !changed) {
2348                 return;
2349         }
2350
2351         switch (zoom_focus) {
2352         case ZoomFocusMouse:
2353         case ZoomFocusPlayhead:
2354         case ZoomFocusEdit:
2355                 switch (_edit_point) {
2356                 case EditAtMouse:
2357                         set_zoom_focus (ZoomFocusMouse);
2358                         break;
2359                 case EditAtPlayhead:
2360                         set_zoom_focus (ZoomFocusPlayhead);
2361                         break;
2362                 case EditAtSelectedMarker:
2363                         set_zoom_focus (ZoomFocusEdit);
2364                         break;
2365                 }
2366                 break;
2367         default:
2368                 break;
2369         }
2370
2371         const char* action;
2372
2373         switch (_edit_point) {
2374         case EditAtPlayhead:
2375                 action = "edit-at-playhead";
2376                 break;
2377         case EditAtSelectedMarker:
2378                 action = "edit-at-marker";
2379                 break;
2380         case EditAtMouse:
2381                 action = "edit-at-mouse";
2382                 break;
2383         }
2384
2385         Glib::RefPtr<Action> act = ActionManager::get_action ("Editor", action);
2386         if (act) {
2387                 Glib::RefPtr<RadioAction>::cast_dynamic(act)->set_active (true);
2388         }
2389
2390         nframes64_t foo;
2391         bool in_track_canvas;
2392
2393         if (!mouse_frame (foo, in_track_canvas)) {
2394                 in_track_canvas = false;
2395         }
2396
2397         reset_canvas_action_sensitivity (in_track_canvas);
2398
2399         instant_save ();
2400 }
2401
2402 int
2403 Editor::set_state (const XMLNode& node)
2404 {
2405         const XMLProperty* prop;
2406         XMLNode* geometry;
2407         int x, y, xoff, yoff;
2408         Gdk::Geometry g;
2409
2410         if ((prop = node.property ("id")) != 0) {
2411                 _id = prop->value ();
2412         }
2413
2414         if ((geometry = find_named_node (node, "geometry")) == 0) {
2415
2416                 g.base_width = default_width;
2417                 g.base_height = default_height;
2418                 x = 1;
2419                 y = 1;
2420                 xoff = 0;
2421                 yoff = 21;
2422
2423         } else {
2424
2425                 g.base_width = atoi(geometry->property("x_size")->value());
2426                 g.base_height = atoi(geometry->property("y_size")->value());
2427                 x = atoi(geometry->property("x_pos")->value());
2428                 y = atoi(geometry->property("y_pos")->value());
2429                 xoff = atoi(geometry->property("x_off")->value());
2430                 yoff = atoi(geometry->property("y_off")->value());
2431         }
2432
2433         set_default_size (g.base_width, g.base_height);
2434         move (x, y);
2435
2436         if (session && (prop = node.property ("playhead"))) {
2437                 nframes64_t pos = atol (prop->value().c_str());
2438                 playhead_cursor->set_position (pos);
2439         } else {
2440                 playhead_cursor->set_position (0);
2441
2442                 /* reset_x_origin() doesn't work right here, since the old
2443                    position may be zero already, and it does nothing in such
2444                    circumstances.
2445                 */
2446
2447                 leftmost_frame = 0;
2448                 horizontal_adjustment.set_value (0);
2449         }
2450
2451         if ((prop = node.property ("mixer-width"))) {
2452                 editor_mixer_strip_width = Width (string_2_enum (prop->value(), editor_mixer_strip_width));
2453         }
2454
2455         if ((prop = node.property ("zoom-focus"))) {
2456                 set_zoom_focus ((ZoomFocus) atoi (prop->value()));
2457         }
2458
2459         if ((prop = node.property ("zoom"))) {
2460                 reset_zoom (PBD::atof (prop->value()));
2461         }
2462
2463         if ((prop = node.property ("snap-to"))) {
2464                 set_snap_to ((SnapType) atoi (prop->value()));
2465         }
2466
2467         if ((prop = node.property ("snap-mode"))) {
2468                 set_snap_mode ((SnapMode) atoi (prop->value()));
2469         }
2470
2471         if ((prop = node.property ("edit-point"))) {
2472                 set_edit_point_preference ((EditPoint) string_2_enum (prop->value(), _edit_point), true);
2473         }
2474
2475         if ((prop = node.property ("mouse-mode"))) {
2476                 MouseMode m = str2mousemode(prop->value());
2477                 mouse_mode = MouseMode ((int) m + 1); /* lie, force mode switch */
2478                 set_mouse_mode (m, true);
2479         } else {
2480                 mouse_mode = MouseGain; /* lie, to force the mode switch */
2481                 set_mouse_mode (MouseObject, true);
2482         }
2483
2484         if ((prop = node.property ("show-waveforms"))) {
2485                 bool yn = (prop->value() == "yes");
2486                 _show_waveforms = !yn;
2487                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-waveform-visible"));
2488                 if (act) {
2489                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2490                         /* do it twice to force the change */
2491                         tact->set_active (!yn);
2492                         tact->set_active (yn);
2493                 }
2494         }
2495
2496         if ((prop = node.property ("show-waveforms-recording"))) {
2497                 bool yn = (prop->value() == "yes");
2498                 _show_waveforms_recording = !yn;
2499                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleWaveformsWhileRecording"));
2500                 if (act) {
2501                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2502                         /* do it twice to force the change */
2503                         tact->set_active (!yn);
2504                         tact->set_active (yn);
2505                 }
2506         }
2507
2508         if ((prop = node.property ("show-measures"))) {
2509                 bool yn = (prop->value() == "yes");
2510                 _show_measures = !yn;
2511                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleMeasureVisibility"));
2512                 if (act) {
2513                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2514                         /* do it twice to force the change */
2515                         tact->set_active (!yn);
2516                         tact->set_active (yn);
2517                 }
2518         }
2519
2520         if ((prop = node.property ("follow-playhead"))) {
2521                 bool yn = (prop->value() == "yes");
2522                 set_follow_playhead (yn);
2523                 RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
2524                 if (act) {
2525                         RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
2526                         if (tact->get_active() != yn) {
2527                                 tact->set_active (yn);
2528                         }
2529                 }
2530         }
2531
2532         if ((prop = node.property ("region-list-sort-type"))) {
2533                 region_list_sort_type = (Editing::RegionListSortType) -1; // force change
2534                 reset_region_list_sort_type(str2regionlistsorttype(prop->value()));
2535         }
2536
2537         if ((prop = node.property ("xfades-visible"))) {
2538                 bool yn = (prop->value() == "yes");
2539                 _xfade_visibility = !yn;
2540                 // set_xfade_visibility (yn);
2541         }
2542
2543         if ((prop = node.property ("show-editor-mixer"))) {
2544
2545                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2546                 if (act) {
2547
2548                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2549                         bool yn = (prop->value() == X_("yes"));
2550
2551                         /* do it twice to force the change */
2552
2553                         tact->set_active (!yn);
2554                         tact->set_active (yn);
2555                 }
2556         }
2557
2558         if ((prop = node.property ("show-editor-list"))) {
2559
2560                 Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2561                 assert(act);
2562                 if (act) {
2563
2564                         Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2565                         bool yn = (prop->value() == X_("yes"));
2566
2567                         /* do it twice to force the change */
2568
2569                         tact->set_active (!yn);
2570                         tact->set_active (yn);
2571                 }
2572         }
2573
2574
2575         return 0;
2576 }
2577
2578 XMLNode&
2579 Editor::get_state ()
2580 {
2581         XMLNode* node = new XMLNode ("Editor");
2582         char buf[32];
2583
2584         _id.print (buf, sizeof (buf));
2585         node->add_property ("id", buf);
2586
2587         if (is_realized()) {
2588                 Glib::RefPtr<Gdk::Window> win = get_window();
2589
2590                 int x, y, xoff, yoff, width, height;
2591                 win->get_root_origin(x, y);
2592                 win->get_position(xoff, yoff);
2593                 win->get_size(width, height);
2594
2595                 XMLNode* geometry = new XMLNode ("geometry");
2596
2597                 snprintf(buf, sizeof(buf), "%d", width);
2598                 geometry->add_property("x_size", string(buf));
2599                 snprintf(buf, sizeof(buf), "%d", height);
2600                 geometry->add_property("y_size", string(buf));
2601                 snprintf(buf, sizeof(buf), "%d", x);
2602                 geometry->add_property("x_pos", string(buf));
2603                 snprintf(buf, sizeof(buf), "%d", y);
2604                 geometry->add_property("y_pos", string(buf));
2605                 snprintf(buf, sizeof(buf), "%d", xoff);
2606                 geometry->add_property("x_off", string(buf));
2607                 snprintf(buf, sizeof(buf), "%d", yoff);
2608                 geometry->add_property("y_off", string(buf));
2609                 snprintf(buf,sizeof(buf), "%d",gtk_paned_get_position (static_cast<Paned*>(&edit_pane)->gobj()));
2610                 geometry->add_property("edit_pane_pos", string(buf));
2611
2612                 node->add_child_nocopy (*geometry);
2613         }
2614
2615         maybe_add_mixer_strip_width (*node);
2616
2617         snprintf (buf, sizeof(buf), "%d", (int) zoom_focus);
2618         node->add_property ("zoom-focus", buf);
2619         snprintf (buf, sizeof(buf), "%f", frames_per_unit);
2620         node->add_property ("zoom", buf);
2621         snprintf (buf, sizeof(buf), "%d", (int) snap_type);
2622         node->add_property ("snap-to", buf);
2623         snprintf (buf, sizeof(buf), "%d", (int) snap_mode);
2624         node->add_property ("snap-mode", buf);
2625
2626         node->add_property ("edit-point", enum_2_string (_edit_point));
2627
2628         snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
2629         node->add_property ("playhead", buf);
2630
2631         node->add_property ("show-waveforms", _show_waveforms ? "yes" : "no");
2632         node->add_property ("show-waveforms-recording", _show_waveforms_recording ? "yes" : "no");
2633         node->add_property ("show-measures", _show_measures ? "yes" : "no");
2634         node->add_property ("follow-playhead", _follow_playhead ? "yes" : "no");
2635         node->add_property ("xfades-visible", _xfade_visibility ? "yes" : "no");
2636         node->add_property ("region-list-sort-type", enum2str(region_list_sort_type));
2637         node->add_property ("mouse-mode", enum2str(mouse_mode));
2638
2639         Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
2640         if (act) {
2641                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2642                 node->add_property (X_("show-editor-mixer"), tact->get_active() ? "yes" : "no");
2643         }
2644
2645         act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
2646         if (act) {
2647                 Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic(act);
2648                 node->add_property (X_("show-editor-list"), tact->get_active() ? "yes" : "no");
2649         }
2650
2651         return *node;
2652 }
2653
2654
2655
2656 TimeAxisView *
2657 Editor::trackview_by_y_position (double y)
2658 {
2659         for (TrackViewList::iterator iter = track_views.begin(); iter != track_views.end(); ++iter) {
2660
2661                 TimeAxisView *tv;
2662
2663                 if ((tv = (*iter)->covers_y_position (y)) != 0) {
2664                         return tv;
2665                 }
2666         }
2667
2668         return 0;
2669 }
2670
2671 void
2672 Editor::snap_to (nframes64_t& start, int32_t direction, bool for_mark)
2673 {
2674         if (!session || snap_mode == SnapOff) {
2675                 return;
2676         }
2677
2678         snap_to_internal (start, direction, for_mark);
2679 }
2680
2681 void
2682 Editor::snap_to_internal (nframes64_t& start, int32_t direction, bool for_mark)
2683 {
2684         Location* before = 0;
2685         Location* after = 0;
2686
2687         const nframes64_t one_second = session->frame_rate();
2688         const nframes64_t one_minute = session->frame_rate() * 60;
2689         const nframes64_t one_smpte_second = (nframes64_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame());
2690         nframes64_t one_smpte_minute = (nframes64_t)(rint(session->smpte_frames_per_second()) * session->frames_per_smpte_frame() * 60);
2691         nframes64_t presnap = start;
2692
2693         switch (snap_type) {
2694         case SnapToCDFrame:
2695                 if (((direction == 0) && (start % (one_second/75) > (one_second/75) / 2)) || (direction > 0)) {
2696                         start = (nframes64_t) ceil ((double) start / (one_second / 75)) * (one_second / 75);
2697                 } else {
2698                         start = (nframes64_t) floor ((double) start / (one_second / 75)) * (one_second / 75);
2699                 }
2700                 break;
2701
2702         case SnapToSMPTEFrame:
2703                 if (((direction == 0) && (fmod((double)start, (double)session->frames_per_smpte_frame()) > (session->frames_per_smpte_frame() / 2))) || (direction > 0)) {
2704                         start = (nframes64_t) (ceil ((double) start / session->frames_per_smpte_frame()) * session->frames_per_smpte_frame());
2705                 } else {
2706                         start = (nframes64_t) (floor ((double) start / session->frames_per_smpte_frame()) *  session->frames_per_smpte_frame());
2707                 }
2708                 break;
2709
2710         case SnapToSMPTESeconds:
2711                 if (session->smpte_offset_negative())
2712                 {
2713                         start += session->smpte_offset ();
2714                 } else {
2715                         start -= session->smpte_offset ();
2716                 }
2717                 if (((direction == 0) && (start % one_smpte_second > one_smpte_second / 2)) || direction > 0) {
2718                         start = (nframes64_t) ceil ((double) start / one_smpte_second) * one_smpte_second;
2719                 } else {
2720                         start = (nframes64_t) floor ((double) start / one_smpte_second) * one_smpte_second;
2721                 }
2722
2723                 if (session->smpte_offset_negative())
2724                 {
2725                         start -= session->smpte_offset ();
2726                 } else {
2727                         start += session->smpte_offset ();
2728                 }
2729                 break;
2730
2731         case SnapToSMPTEMinutes:
2732                 if (session->smpte_offset_negative())
2733                 {
2734                         start += session->smpte_offset ();
2735                 } else {
2736                         start -= session->smpte_offset ();
2737                 }
2738                 if (((direction == 0) && (start % one_smpte_minute > one_smpte_minute / 2)) || direction > 0) {
2739                         start = (nframes64_t) ceil ((double) start / one_smpte_minute) * one_smpte_minute;
2740                 } else {
2741                         start = (nframes64_t) floor ((double) start / one_smpte_minute) * one_smpte_minute;
2742                 }
2743                 if (session->smpte_offset_negative())
2744                 {
2745                         start -= session->smpte_offset ();
2746                 } else {
2747                         start += session->smpte_offset ();
2748                 }
2749                 break;
2750
2751         case SnapToSeconds:
2752                 if (((direction == 0) && (start % one_second > one_second / 2)) || (direction > 0)) {
2753                         start = (nframes64_t) ceil ((double) start / one_second) * one_second;
2754                 } else {
2755                         start = (nframes64_t) floor ((double) start / one_second) * one_second;
2756                 }
2757                 break;
2758
2759         case SnapToMinutes:
2760                 if (((direction == 0) && (start % one_minute > one_minute / 2)) || (direction > 0)) {
2761                         start = (nframes64_t) ceil ((double) start / one_minute) * one_minute;
2762                 } else {
2763                         start = (nframes64_t) floor ((double) start / one_minute) * one_minute;
2764                 }
2765                 break;
2766
2767         case SnapToBar:
2768                 start = session->tempo_map().round_to_bar (start, direction);
2769                 break;
2770
2771         case SnapToBeat:
2772                 start = session->tempo_map().round_to_beat (start, direction);
2773                 break;
2774
2775         case SnapToAThirtysecondBeat:
2776                 start = session->tempo_map().round_to_beat_subdivision (start, 32);
2777                 break;
2778
2779         case SnapToASixteenthBeat:
2780                 start = session->tempo_map().round_to_beat_subdivision (start, 16);
2781                 break;
2782
2783         case SnapToAEighthBeat:
2784                 start = session->tempo_map().round_to_beat_subdivision (start, 8);
2785                 break;
2786
2787         case SnapToAQuarterBeat:
2788                 start = session->tempo_map().round_to_beat_subdivision (start, 4);
2789                 break;
2790
2791         case SnapToAThirdBeat:
2792                 start = session->tempo_map().round_to_beat_subdivision (start, 3);
2793                 break;
2794
2795         case SnapToMark:
2796                 if (for_mark) {
2797                         return;
2798                 }
2799
2800                 before = session->locations()->first_location_before (start);
2801                 after = session->locations()->first_location_after (start);
2802
2803                 if (direction < 0) {
2804                         if (before) {
2805                                 start = before->start();
2806                         } else {
2807                                 start = 0;
2808                         }
2809                 } else if (direction > 0) {
2810                         if (after) {
2811                                 start = after->start();
2812                         } else {
2813                                 start = session->current_end_frame();
2814                         }
2815                 } else {
2816                         if (before) {
2817                                 if (after) {
2818                                         /* find nearest of the two */
2819                                         if ((start - before->start()) < (after->start() - start)) {
2820                                                 start = before->start();
2821                                         } else {
2822                                                 start = after->start();
2823                                         }
2824                                 } else {
2825                                         start = before->start();
2826                                 }
2827                         } else if (after) {
2828                                 start = after->start();
2829                         } else {
2830                                 /* relax */
2831                         }
2832                 }
2833                 break;
2834
2835         case SnapToRegionStart:
2836         case SnapToRegionEnd:
2837         case SnapToRegionSync:
2838         case SnapToRegionBoundary:
2839                 if (!region_boundary_cache.empty()) {
2840                         vector<nframes64_t>::iterator i;
2841
2842                         if (direction > 0) {
2843                                 i = std::upper_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2844                         } else {
2845                                 i = std::lower_bound (region_boundary_cache.begin(), region_boundary_cache.end(), start);
2846                         }
2847
2848                         if (i != region_boundary_cache.end()) {
2849
2850                                 /* lower bound doesn't quite to the right thing for our purposes */
2851
2852                                 if (direction < 0 && i != region_boundary_cache.begin()) {
2853                                         --i;
2854                                 }
2855
2856                                 start = *i;
2857
2858                         } else {
2859                                 start = region_boundary_cache.back();
2860                         }
2861                 }
2862                 break;
2863         }
2864
2865         switch (snap_mode) {
2866         case SnapNormal:
2867                 return;
2868
2869         case SnapMagnetic:
2870
2871                 if (presnap > start) {
2872                         if (presnap > (start + unit_to_frame(snap_threshold))) {
2873                                 start = presnap;
2874                         }
2875
2876                 } else if (presnap < start) {
2877                         if (presnap < (start - unit_to_frame(snap_threshold))) {
2878                                 start = presnap;
2879                         }
2880                 }
2881
2882         default:
2883                 /* handled at entry */
2884                 return;
2885
2886         }
2887 }
2888
2889 double
2890 Editor::snap_length_beats (nframes64_t start)
2891 {
2892         if (!session) {
2893                 return 1.0;
2894         }
2895
2896         /* FIXME: This could/should also work with non-tempo based snap settings (ie seconds) */
2897
2898         switch (snap_type) {
2899         case SnapToBar:
2900                 return session->tempo_map().meter_at(start).beats_per_bar();
2901
2902         case SnapToBeat:
2903                 return 1.0;
2904
2905         case SnapToAThirtysecondBeat:
2906                 return 1.0 / (double)32.0;
2907                 break;
2908
2909         case SnapToASixteenthBeat:
2910                 return 1.0 / (double)16.0;
2911                 break;
2912
2913         case SnapToAEighthBeat:
2914                 return 1.0 / (double)8.0;
2915                 break;
2916
2917         case SnapToAQuarterBeat:
2918                 return 1.0 / (double)4.0;
2919                 break;
2920
2921         case SnapToAThirdBeat:
2922                 return 1.0 / (double)3.0;
2923
2924         default:
2925                 return 1.0;
2926         }
2927 }
2928
2929 void
2930 Editor::setup_toolbar ()
2931 {
2932         string pixmap_path;
2933
2934 #ifdef GTKOSX
2935         const guint32 FUDGE = 38; // Combo's are stupid - they steal space from the entry for the button
2936 #else
2937         const guint32 FUDGE = 18; // Combo's are stupid - they steal space from the entry for the button
2938 #endif
2939
2940         /* Mode Buttons (tool selection) */
2941
2942         vector<ToggleButton *> mouse_mode_buttons;
2943
2944         mouse_move_button.add (*(manage (new Image (::get_icon("tool_object")))));
2945         mouse_move_button.set_relief(Gtk::RELIEF_NONE);
2946         mouse_mode_buttons.push_back (&mouse_move_button);
2947
2948         if (!Profile->get_sae()) {
2949                 mouse_select_button.add (*(manage (new Image (get_xpm("tool_range.xpm")))));
2950                 mouse_select_button.set_relief(Gtk::RELIEF_NONE);
2951                 mouse_mode_buttons.push_back (&mouse_select_button);
2952
2953                 mouse_gain_button.add (*(manage (new Image (::get_icon("tool_gain")))));
2954                 mouse_gain_button.set_relief(Gtk::RELIEF_NONE);
2955                 mouse_mode_buttons.push_back (&mouse_gain_button);
2956         }
2957
2958         mouse_zoom_button.add (*(manage (new Image (::get_icon("tool_zoom")))));
2959         mouse_zoom_button.set_relief(Gtk::RELIEF_NONE);
2960         mouse_mode_buttons.push_back (&mouse_zoom_button);
2961         mouse_timefx_button.add (*(manage (new Image (::get_icon("tool_stretch")))));
2962         mouse_timefx_button.set_relief(Gtk::RELIEF_NONE);
2963         mouse_mode_buttons.push_back (&mouse_timefx_button);
2964         mouse_audition_button.add (*(manage (new Image (::get_icon("tool_audition")))));
2965         mouse_audition_button.set_relief(Gtk::RELIEF_NONE);
2966         mouse_note_button.add (*(manage (new Image (::get_icon("tool_note")))));
2967         mouse_note_button.set_relief(Gtk::RELIEF_NONE);
2968         mouse_mode_buttons.push_back (&mouse_note_button);
2969         mouse_mode_buttons.push_back (&mouse_audition_button);
2970
2971         mouse_mode_button_set = new GroupedButtons (mouse_mode_buttons);
2972
2973         HBox* mode_box = manage(new HBox);
2974         mode_box->set_border_width (2);
2975         mode_box->set_spacing(4);
2976         mouse_mode_button_box.set_spacing(1);
2977         mouse_mode_button_box.pack_start(mouse_move_button, true, true);
2978         if (!Profile->get_sae()) {
2979                 mouse_mode_button_box.pack_start(mouse_select_button, true, true);
2980         }
2981         mouse_mode_button_box.pack_start(mouse_zoom_button, true, true);
2982         if (!Profile->get_sae()) {
2983                 mouse_mode_button_box.pack_start(mouse_gain_button, true, true);
2984         }
2985         mouse_mode_button_box.pack_start(mouse_timefx_button, true, true);
2986         mouse_mode_button_box.pack_start(mouse_audition_button, true, true);
2987         mouse_mode_button_box.pack_start(mouse_note_button, true, true);
2988         mouse_mode_button_box.set_homogeneous(true);
2989
2990         vector<string> edit_mode_strings;
2991         edit_mode_strings.push_back (edit_mode_to_string (Slide));
2992         edit_mode_strings.push_back (edit_mode_to_string (Splice));
2993         edit_mode_strings.push_back (edit_mode_to_string (Lock));
2994
2995         edit_mode_selector.set_name ("EditModeSelector");
2996         Gtkmm2ext::set_size_request_to_display_given_text (edit_mode_selector, longest (edit_mode_strings).c_str(), 2+FUDGE, 10);
2997         set_popdown_strings (edit_mode_selector, edit_mode_strings);
2998         edit_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_mode_selection_done));
2999
3000         mode_box->pack_start(edit_mode_selector);
3001         mode_box->pack_start(mouse_mode_button_box);
3002
3003         mouse_mode_tearoff = manage (new TearOff (*mode_box));
3004         mouse_mode_tearoff->set_name ("MouseModeBase");
3005
3006         mouse_mode_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3007                                                   &mouse_mode_tearoff->tearoff_window()));
3008         mouse_mode_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3009                                                   &mouse_mode_tearoff->tearoff_window(), 1));
3010         mouse_mode_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3011                                                   &mouse_mode_tearoff->tearoff_window()));
3012         mouse_mode_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3013                                                    &mouse_mode_tearoff->tearoff_window(), 1));
3014
3015         mouse_move_button.set_name ("MouseModeButton");
3016         mouse_select_button.set_name ("MouseModeButton");
3017         mouse_gain_button.set_name ("MouseModeButton");
3018         mouse_zoom_button.set_name ("MouseModeButton");
3019         mouse_timefx_button.set_name ("MouseModeButton");
3020         mouse_audition_button.set_name ("MouseModeButton");
3021         mouse_note_button.set_name ("MouseModeButton");
3022
3023         ARDOUR_UI::instance()->tooltips().set_tip (mouse_move_button, _("Select/Move Objects"));
3024         ARDOUR_UI::instance()->tooltips().set_tip (mouse_select_button, _("Select/Move Ranges"));
3025         ARDOUR_UI::instance()->tooltips().set_tip (mouse_gain_button, _("Draw Gain Automation"));
3026         ARDOUR_UI::instance()->tooltips().set_tip (mouse_zoom_button, _("Select Zoom Range"));
3027         ARDOUR_UI::instance()->tooltips().set_tip (mouse_timefx_button, _("Stretch/Shrink Regions"));
3028         ARDOUR_UI::instance()->tooltips().set_tip (mouse_audition_button, _("Listen to Specific Regions"));
3029         ARDOUR_UI::instance()->tooltips().set_tip (mouse_note_button, _("Edit MIDI Notes"));
3030
3031         mouse_move_button.unset_flags (CAN_FOCUS);
3032         mouse_select_button.unset_flags (CAN_FOCUS);
3033         mouse_gain_button.unset_flags (CAN_FOCUS);
3034         mouse_zoom_button.unset_flags (CAN_FOCUS);
3035         mouse_timefx_button.unset_flags (CAN_FOCUS);
3036         mouse_audition_button.unset_flags (CAN_FOCUS);
3037         mouse_note_button.unset_flags (CAN_FOCUS);
3038
3039         mouse_select_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseRange));
3040         mouse_select_button.signal_button_release_event().connect (mem_fun(*this, &Editor::mouse_select_button_release));
3041
3042         mouse_move_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseObject));
3043         mouse_gain_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseGain));
3044         mouse_zoom_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseZoom));
3045         mouse_timefx_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseTimeFX));
3046         mouse_audition_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseAudition));
3047         mouse_note_button.signal_toggled().connect (bind (mem_fun(*this, &Editor::mouse_mode_toggled), Editing::MouseNote));
3048
3049         // mouse_move_button.set_active (true);
3050
3051
3052         /* Zoom */
3053
3054         zoom_box.set_spacing (1);
3055         zoom_box.set_border_width (0);
3056
3057         zoom_in_button.set_name ("EditorTimeButton");
3058         zoom_in_button.set_size_request(-1,16);
3059         zoom_in_button.add (*(manage (new Image (::get_icon("zoom_in")))));
3060         zoom_in_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), false));
3061         ARDOUR_UI::instance()->tooltips().set_tip (zoom_in_button, _("Zoom In"));
3062
3063         zoom_out_button.set_name ("EditorTimeButton");
3064         zoom_out_button.set_size_request(-1,16);
3065         zoom_out_button.add (*(manage (new Image (::get_icon("zoom_out")))));
3066         zoom_out_button.signal_clicked().connect (bind (mem_fun(*this, &Editor::temporal_zoom_step), true));
3067         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_button, _("Zoom Out"));
3068
3069         zoom_out_full_button.set_name ("EditorTimeButton");
3070         zoom_out_full_button.set_size_request(-1,16);
3071         zoom_out_full_button.add (*(manage (new Image (::get_icon("zoom_full")))));
3072         zoom_out_full_button.signal_clicked().connect (mem_fun(*this, &Editor::temporal_zoom_session));
3073         ARDOUR_UI::instance()->tooltips().set_tip (zoom_out_full_button, _("Zoom to Session"));
3074
3075         zoom_focus_selector.set_name ("ZoomFocusSelector");
3076         Gtkmm2ext::set_size_request_to_display_given_text (zoom_focus_selector, _("Playhead"), FUDGE, 0);
3077         set_popdown_strings (zoom_focus_selector, zoom_focus_strings);
3078         zoom_focus_selector.signal_changed().connect (mem_fun(*this, &Editor::zoom_focus_selection_done));
3079         ARDOUR_UI::instance()->tooltips().set_tip (zoom_focus_selector, _("Zoom focus"));
3080
3081         zoom_box.pack_start (zoom_focus_selector, true, true);
3082         zoom_box.pack_start (zoom_out_button, false, false);
3083         zoom_box.pack_start (zoom_in_button, false, false);
3084         zoom_box.pack_start (zoom_out_full_button, false, false);
3085
3086         snap_box.set_spacing (1);
3087         snap_box.set_border_width (2);
3088
3089         snap_type_selector.set_name ("SnapTypeSelector");
3090         Gtkmm2ext::set_size_request_to_display_given_text (snap_type_selector, _("SMPTE Seconds"), 2+FUDGE, 10);
3091         set_popdown_strings (snap_type_selector, snap_type_strings);
3092         snap_type_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_type_selection_done));
3093         ARDOUR_UI::instance()->tooltips().set_tip (snap_type_selector, _("Snap/Grid Units"));
3094
3095         snap_mode_selector.set_name ("SnapModeSelector");
3096         Gtkmm2ext::set_size_request_to_display_given_text (snap_mode_selector, _("Magnetic Snap"), 2+FUDGE, 10);
3097         set_popdown_strings (snap_mode_selector, snap_mode_strings);
3098         snap_mode_selector.signal_changed().connect (mem_fun(*this, &Editor::snap_mode_selection_done));
3099         ARDOUR_UI::instance()->tooltips().set_tip (snap_mode_selector, _("Snap/Grid Mode"));
3100
3101         edit_point_selector.set_name ("SnapModeSelector");
3102         Gtkmm2ext::set_size_request_to_display_given_text (edit_point_selector, _("Playhead"), 2+FUDGE, 10);
3103         set_popdown_strings (edit_point_selector, edit_point_strings);
3104         edit_point_selector.signal_changed().connect (mem_fun(*this, &Editor::edit_point_selection_done));
3105         ARDOUR_UI::instance()->tooltips().set_tip (edit_point_selector, _("Edit point"));
3106
3107         snap_box.pack_start (edit_point_clock, false, false);
3108         snap_box.pack_start (snap_mode_selector, false, false);
3109         snap_box.pack_start (snap_type_selector, false, false);
3110         snap_box.pack_start (edit_point_selector, false, false);
3111
3112         /* Nudge */
3113
3114         HBox *nudge_box = manage (new HBox);
3115         nudge_box->set_spacing(1);
3116         nudge_box->set_border_width (2);
3117
3118         nudge_forward_button.signal_button_release_event().connect (mem_fun(*this, &Editor::nudge_forward_release), false);
3119         nudge_backward_button.signal_button_release_event().connect (mem_fun(*this, &Editor::nudge_backward_release), false);
3120
3121         nudge_box->pack_start (nudge_backward_button, false, false);
3122         nudge_box->pack_start (nudge_forward_button, false, false);
3123         nudge_box->pack_start (nudge_clock, false, false);
3124
3125
3126         /* Pack everything in... */
3127
3128         HBox* hbox = manage (new HBox);
3129         hbox->set_spacing(10);
3130
3131         tools_tearoff = manage (new TearOff (*hbox));
3132         tools_tearoff->set_name ("MouseModeBase");
3133
3134         tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3135                                              &tools_tearoff->tearoff_window()));
3136         tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3137                                              &tools_tearoff->tearoff_window(), 0));
3138         tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&toolbar_hbox),
3139                                              &tools_tearoff->tearoff_window()));
3140         tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&toolbar_hbox),
3141                                               &tools_tearoff->tearoff_window(), 0));
3142
3143         toolbar_hbox.set_spacing (10);
3144         toolbar_hbox.set_border_width (1);
3145
3146         toolbar_hbox.pack_start (*mouse_mode_tearoff, false, false);
3147         toolbar_hbox.pack_start (*tools_tearoff, false, false);
3148
3149
3150         hbox->pack_start (snap_box, false, false);
3151         // hbox->pack_start (zoom_box, false, false);
3152         hbox->pack_start (*nudge_box, false, false);
3153
3154         hbox->show_all ();
3155
3156         toolbar_base.set_name ("ToolBarBase");
3157         toolbar_base.add (toolbar_hbox);
3158
3159         toolbar_frame.set_shadow_type (SHADOW_OUT);
3160         toolbar_frame.set_name ("BaseFrame");
3161         toolbar_frame.add (toolbar_base);
3162 }
3163
3164
3165 void
3166 Editor::setup_midi_toolbar ()
3167 {
3168         string pixmap_path;
3169
3170         /* Mode Buttons (tool selection) */
3171
3172         vector<ToggleButton *> midi_tool_buttons;
3173
3174         midi_tool_pencil_button.add (*(manage (new Image (::get_icon("midi_tool_pencil")))));
3175         midi_tool_pencil_button.set_relief(Gtk::RELIEF_NONE);
3176         midi_tool_buttons.push_back (&midi_tool_pencil_button);
3177         midi_tool_select_button.add (*(manage (new Image (::get_icon("midi_tool_select")))));
3178         midi_tool_select_button.set_relief(Gtk::RELIEF_NONE);
3179         midi_tool_buttons.push_back (&midi_tool_select_button);
3180         midi_tool_resize_button.add (*(manage (new Image (::get_icon("strip_width")))));
3181         midi_tool_resize_button.set_relief(Gtk::RELIEF_NONE);
3182         midi_tool_buttons.push_back (&midi_tool_resize_button);
3183         midi_tool_erase_button.add (*(manage (new Image (::get_icon("midi_tool_erase")))));
3184         midi_tool_erase_button.set_relief(Gtk::RELIEF_NONE);
3185         midi_tool_buttons.push_back (&midi_tool_erase_button);
3186
3187         midi_tool_pencil_button.set_active(true);
3188
3189         midi_tool_button_set = new GroupedButtons (midi_tool_buttons);
3190
3191         midi_tool_button_box.set_border_width (2);
3192         midi_tool_button_box.set_spacing(1);
3193         midi_tool_button_box.pack_start(midi_tool_pencil_button, true, true);
3194         midi_tool_button_box.pack_start(midi_tool_select_button, true, true);
3195         midi_tool_button_box.pack_start(midi_tool_resize_button, true, true);
3196         midi_tool_button_box.pack_start(midi_tool_erase_button, true, true);
3197         midi_tool_button_box.set_homogeneous(true);
3198
3199         midi_tool_pencil_button.set_name ("MouseModeButton");
3200         midi_tool_select_button.set_name ("MouseModeButton");
3201         midi_tool_resize_button.set_name ("MouseModeButton");
3202         midi_tool_erase_button.set_name ("MouseModeButton");
3203
3204         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_pencil_button, _("Add/Move/Stretch Notes"));
3205         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_select_button, _("Select/Move Notes"));
3206         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_resize_button, _("Resize Notes"));
3207         ARDOUR_UI::instance()->tooltips().set_tip (midi_tool_erase_button, _("Erase Notes"));
3208
3209         midi_tool_pencil_button.unset_flags (CAN_FOCUS);
3210         midi_tool_select_button.unset_flags (CAN_FOCUS);
3211         midi_tool_resize_button.unset_flags (CAN_FOCUS);
3212         midi_tool_erase_button.unset_flags (CAN_FOCUS);
3213
3214         midi_tool_pencil_button.signal_toggled().connect (bind (mem_fun(*this,
3215                                 &Editor::midi_edit_mode_toggled), Editing::MidiEditPencil));
3216         midi_tool_select_button.signal_toggled().connect (bind (mem_fun(*this,
3217                                 &Editor::midi_edit_mode_toggled), Editing::MidiEditSelect));
3218         midi_tool_resize_button.signal_toggled().connect (bind (mem_fun(*this,
3219                                 &Editor::midi_edit_mode_toggled), Editing::MidiEditResize));
3220         midi_tool_erase_button.signal_toggled().connect (bind (mem_fun(*this,
3221                                 &Editor::midi_edit_mode_toggled), Editing::MidiEditErase));
3222
3223         /* Pack everything in... */
3224
3225         midi_tools_tearoff = manage (new TearOff (midi_tool_button_box));
3226         midi_tools_tearoff->set_name ("MouseModeBase");
3227
3228         /*
3229         midi_tools_tearoff->Detach.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&midi_toolbar_hbox),
3230                                              &midi_tools_tearoff->tearoff_window()));
3231         midi_tools_tearoff->Attach.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&midi_toolbar_hbox),
3232                                              &midi_tools_tearoff->tearoff_window(), 0));
3233         midi_tools_tearoff->Hidden.connect (bind (mem_fun(*this, &Editor::detach_tearoff), static_cast<Box*>(&midi_toolbar_hbox),
3234                                              &midi_tools_tearoff->tearoff_window()));
3235         midi_tools_tearoff->Visible.connect (bind (mem_fun(*this, &Editor::reattach_tearoff), static_cast<Box*> (&midi_toolbar_hbox),
3236                                               &midi_tools_tearoff->tearoff_window(), 0));
3237         */
3238
3239         midi_toolbar_hbox.set_spacing (10);
3240         midi_toolbar_hbox.set_border_width (1);
3241
3242         midi_toolbar_hbox.pack_start (*midi_tools_tearoff, false, true);
3243
3244         midi_tool_button_box.show_all ();
3245         midi_toolbar_hbox.show_all();
3246         midi_tools_tearoff->show_all();
3247
3248         midi_toolbar_base.set_name ("ToolBarBase");
3249         midi_toolbar_base.add (midi_toolbar_hbox);
3250
3251         midi_toolbar_frame.set_shadow_type (SHADOW_OUT);
3252         midi_toolbar_frame.set_name ("BaseFrame");
3253         midi_toolbar_frame.add (midi_toolbar_base);
3254 }
3255
3256 int
3257 Editor::convert_drop_to_paths (vector<ustring>& paths,
3258                                const RefPtr<Gdk::DragContext>& context,
3259                                gint                x,
3260                                gint                y,
3261                                const SelectionData& data,
3262                                guint               info,
3263                                guint               time)
3264
3265 {
3266         if (session == 0) {
3267                 return -1;
3268         }
3269
3270         vector<ustring> uris = data.get_uris();
3271
3272         if (uris.empty()) {
3273
3274                 /* This is seriously fucked up. Nautilus doesn't say that its URI lists
3275                    are actually URI lists. So do it by hand.
3276                 */
3277
3278                 if (data.get_target() != "text/plain") {
3279                         return -1;
3280                 }
3281
3282                 /* Parse the "uri-list" format that Nautilus provides,
3283                    where each pathname is delimited by \r\n
3284                 */
3285
3286                 const char* p = data.get_text().c_str();
3287                 const char* q;
3288
3289                 while (p)
3290                 {
3291                         if (*p != '#')
3292                         {
3293                                 while (g_ascii_isspace (*p))
3294                                         p++;
3295
3296                                 q = p;
3297                                 while (*q && (*q != '\n') && (*q != '\r'))
3298                                         q++;
3299
3300                                 if (q > p)
3301                                 {
3302                                         q--;
3303                                         while (q > p && g_ascii_isspace (*q))
3304                                                 q--;
3305
3306                                         if (q > p)
3307                                         {
3308                                                 uris.push_back (ustring (p, q - p + 1));
3309                                         }
3310                                 }
3311                         }
3312                         p = strchr (p, '\n');
3313                         if (p)
3314                                 p++;
3315                 }
3316
3317                 if (uris.empty()) {
3318                         return -1;
3319                 }
3320         }
3321
3322         for (vector<ustring>::iterator i = uris.begin(); i != uris.end(); ++i) {
3323
3324                 if ((*i).substr (0,7) == "file://") {
3325
3326                         ustring p = *i;
3327                         PBD::url_decode (p);
3328
3329                         // scan forward past three slashes
3330
3331                         ustring::size_type slashcnt = 0;
3332                         ustring::size_type n = 0;
3333                         ustring::iterator x = p.begin();
3334
3335                         while (slashcnt < 3 && x != p.end()) {
3336                                 if ((*x) == '/') {
3337                                         slashcnt++;
3338                                 } else if (slashcnt == 3) {
3339                                         break;
3340                                 }
3341                                 ++n;
3342                                 ++x;
3343                         }
3344
3345                         if (slashcnt != 3 || x == p.end()) {
3346                                 error << _("malformed URL passed to drag-n-drop code") << endmsg;
3347                                 continue;
3348                         }
3349
3350                         paths.push_back (p.substr (n - 1));
3351                 }
3352         }
3353
3354         return 0;
3355 }
3356
3357 void
3358 Editor::new_tempo_section ()
3359
3360 {
3361 }
3362
3363 void
3364 Editor::map_transport_state ()
3365 {
3366         ENSURE_GUI_THREAD (mem_fun(*this, &Editor::map_transport_state));
3367
3368         if (session->transport_stopped()) {
3369                 have_pending_keyboard_selection = false;
3370         }
3371
3372         update_loop_range_view (true);
3373 }
3374
3375 /* UNDO/REDO */
3376
3377 Editor::State::State (PublicEditor const * e)
3378 {
3379         selection = new Selection (e);
3380 }
3381
3382 Editor::State::~State ()
3383 {
3384         delete selection;
3385 }
3386
3387 UndoAction
3388 Editor::get_memento () const
3389 {
3390         State *state = new State (this);
3391
3392         store_state (*state);
3393         return bind (mem_fun (*(const_cast<Editor*>(this)), &Editor::restore_state), state);
3394 }
3395
3396 void
3397 Editor::store_state (State& state) const
3398 {
3399         *state.selection = *selection;
3400 }
3401
3402 void
3403 Editor::restore_state (State *state)
3404 {
3405         if (*selection == *state->selection) {
3406                 return;
3407         }
3408
3409         *selection = *state->selection;
3410         time_selection_changed ();
3411         region_selection_changed ();
3412
3413         /* XXX other selection change handlers? */
3414 }
3415
3416 void
3417 Editor::begin_reversible_command (string name)
3418 {
3419         if (session) {
3420                 before = &get_state();
3421                 session->begin_reversible_command (name);
3422         }
3423 }
3424
3425 void
3426 Editor::commit_reversible_command ()
3427 {
3428         if (session) {
3429                 session->commit_reversible_command (new MementoCommand<Editor>(*this, before, &get_state()));
3430         }
3431 }
3432
3433 void
3434 Editor::set_edit_group_solo (Route& route, bool yn)
3435 {
3436         RouteGroup *edit_group;
3437
3438         if ((edit_group = route.edit_group()) != 0) {
3439                 edit_group->apply (&Route::set_solo, yn, this);
3440         } else {
3441                 route.set_solo (yn, this);
3442         }
3443 }
3444
3445 void
3446 Editor::set_edit_group_mute (Route& route, bool yn)
3447 {
3448         RouteGroup *edit_group = 0;
3449
3450         if ((edit_group == route.edit_group()) != 0) {
3451                 edit_group->apply (&Route::set_mute, yn, this);
3452         } else {
3453                 route.set_mute (yn, this);
3454         }
3455 }
3456
3457 void
3458 Editor::history_changed ()
3459 {
3460         string label;
3461
3462         if (undo_action && session) {
3463                 if (session->undo_depth() == 0) {
3464                         label = _("Undo");
3465                 } else {
3466                         label = string_compose(_("Undo (%1)"), session->next_undo());
3467                 }
3468                 undo_action->property_label() = label;
3469         }
3470
3471         if (redo_action && session) {
3472                 if (session->redo_depth() == 0) {
3473                         label = _("Redo");
3474                 } else {
3475                         label = string_compose(_("Redo (%1)"), session->next_redo());
3476                 }
3477                 redo_action->property_label() = label;
3478         }
3479 }
3480
3481 void
3482 Editor::duplicate_dialog (bool with_dialog)
3483 {
3484         float times = 1.0f;
3485
3486         if (mouse_mode == MouseRange) {
3487                 if (selection->time.length() == 0) {
3488                         return;
3489                 }
3490         }
3491
3492         RegionSelection rs;
3493         get_regions_for_action (rs);
3494
3495         if (mouse_mode != MouseRange) {
3496
3497                 if (rs.empty()) {
3498                         return;
3499                 }
3500         }
3501
3502         if (with_dialog) {
3503
3504                 ArdourDialog win ("Duplication Dialog");
3505                 Label  label (_("Number of Duplications:"));
3506                 Adjustment adjustment (1.0, 1.0, 1000000.0, 1.0, 5.0);
3507                 SpinButton spinner (adjustment, 0.0, 1);
3508                 HBox hbox;
3509
3510                 win.get_vbox()->set_spacing (12);
3511                 win.get_vbox()->pack_start (hbox);
3512                 hbox.set_border_width (6);
3513                 hbox.pack_start (label, PACK_EXPAND_PADDING, 12);
3514
3515                 /* dialogs have ::add_action_widget() but that puts the spinner in the wrong
3516                    place, visually. so do this by hand.
3517                 */
3518
3519                 hbox.pack_start (spinner, PACK_EXPAND_PADDING, 12);
3520                 spinner.signal_activate().connect (sigc::bind (mem_fun (win, &ArdourDialog::response), RESPONSE_ACCEPT));
3521                 spinner.grab_focus();
3522
3523                 hbox.show ();
3524                 label.show ();
3525                 spinner.show ();
3526
3527                 win.add_button (Stock::CANCEL, RESPONSE_CANCEL);
3528                 win.add_button (_("Duplicate"), RESPONSE_ACCEPT);
3529                 win.set_default_response (RESPONSE_ACCEPT);
3530
3531                 win.set_position (WIN_POS_MOUSE);
3532
3533                 spinner.grab_focus ();
3534
3535                 switch (win.run ()) {
3536                 case RESPONSE_ACCEPT:
3537                         break;
3538                 default:
3539                         return;
3540                 }
3541
3542                 times = adjustment.get_value();
3543         }
3544
3545         if (mouse_mode == MouseRange) {
3546                 duplicate_selection (times);
3547         } else {
3548                 duplicate_some_regions (rs, times);
3549         }
3550 }
3551
3552 void
3553 Editor::show_verbose_canvas_cursor ()
3554 {
3555         verbose_canvas_cursor->raise_to_top();
3556         verbose_canvas_cursor->show();
3557         verbose_cursor_visible = true;
3558 }
3559
3560 void
3561 Editor::hide_verbose_canvas_cursor ()
3562 {
3563         verbose_canvas_cursor->hide();
3564         verbose_cursor_visible = false;
3565 }
3566
3567 double
3568 Editor::clamp_verbose_cursor_x (double x)
3569 {
3570         if (x < 0) {
3571                 x = 0;
3572         } else {
3573                 x = min (canvas_width - 200.0, x);
3574         }
3575         return x;
3576 }
3577
3578 double
3579 Editor::clamp_verbose_cursor_y (double y)
3580 {
3581         if (y < canvas_timebars_vsize) {
3582                 y = canvas_timebars_vsize;
3583         } else {
3584                 y = min (canvas_height - 50, y);
3585         }
3586         return y;
3587 }
3588
3589 void
3590 Editor::set_verbose_canvas_cursor (const string & txt, double x, double y)
3591 {
3592         verbose_canvas_cursor->property_text() = txt.c_str();
3593         /* don't get too close to the edge */
3594         verbose_canvas_cursor->property_x() = clamp_verbose_cursor_x (x);
3595         verbose_canvas_cursor->property_y() = clamp_verbose_cursor_y (y);
3596 }
3597
3598 void
3599 Editor::set_verbose_canvas_cursor_text (const string & txt)
3600 {
3601         verbose_canvas_cursor->property_text() = txt.c_str();
3602 }
3603
3604 void
3605 Editor::set_edit_mode (EditMode m)
3606 {
3607         Config->set_edit_mode (m);
3608 }
3609
3610 void
3611 Editor::cycle_edit_mode ()
3612 {
3613         switch (Config->get_edit_mode()) {
3614         case Slide:
3615                 Config->set_edit_mode (Splice);
3616                 break;
3617         case Splice:
3618                 Config->set_edit_mode (Lock);
3619                 break;
3620         case Lock:
3621                 Config->set_edit_mode (Slide);
3622                 break;
3623         }
3624 }
3625
3626 void
3627 Editor::edit_mode_selection_done ()
3628 {
3629         if (session == 0) {
3630                 return;
3631         }
3632
3633         string choice = edit_mode_selector.get_active_text();
3634         EditMode mode = Slide;
3635
3636         if (choice == _("Splice Edit")) {
3637                 mode = Splice;
3638         } else if (choice == _("Slide Edit")) {
3639                 mode = Slide;
3640         } else if (choice == _("Lock Edit")) {
3641                 mode = Lock;
3642         }
3643
3644         Config->set_edit_mode (mode);
3645 }
3646
3647 void
3648 Editor::snap_type_selection_done ()
3649 {
3650         string choice = snap_type_selector.get_active_text();
3651         SnapType snaptype = SnapToBeat;
3652
3653         if (choice == _("Beats/3")) {
3654                 snaptype = SnapToAThirdBeat;
3655         } else if (choice == _("Beats/4")) {
3656                 snaptype = SnapToAQuarterBeat;
3657         } else if (choice == _("Beats/8")) {
3658                 snaptype = SnapToAEighthBeat;
3659         } else if (choice == _("Beats/16")) {
3660                 snaptype = SnapToASixteenthBeat;
3661         } else if (choice == _("Beats/32")) {
3662                 snaptype = SnapToAThirtysecondBeat;
3663         } else if (choice == _("Beats")) {
3664                 snaptype = SnapToBeat;
3665         } else if (choice == _("Bars")) {
3666                 snaptype = SnapToBar;
3667         } else if (choice == _("Marks")) {
3668                 snaptype = SnapToMark;
3669         } else if (choice == _("Region starts")) {
3670                 snaptype = SnapToRegionStart;
3671         } else if (choice == _("Region ends")) {
3672                 snaptype = SnapToRegionEnd;
3673         } else if (choice == _("Region bounds")) {
3674                 snaptype = SnapToRegionBoundary;
3675         } else if (choice == _("Region syncs")) {
3676                 snaptype = SnapToRegionSync;
3677         } else if (choice == _("CD Frames")) {
3678                 snaptype = SnapToCDFrame;
3679         } else if (choice == _("SMPTE Frames")) {
3680                 snaptype = SnapToSMPTEFrame;
3681         } else if (choice == _("SMPTE Seconds")) {
3682                 snaptype = SnapToSMPTESeconds;
3683         } else if (choice == _("SMPTE Minutes")) {
3684                 snaptype = SnapToSMPTEMinutes;
3685         } else if (choice == _("Seconds")) {
3686                 snaptype = SnapToSeconds;
3687         } else if (choice == _("Minutes")) {
3688                 snaptype = SnapToMinutes;
3689         }
3690
3691         RefPtr<RadioAction> ract = snap_type_action (snaptype);
3692         if (ract) {
3693                 ract->set_active ();
3694         }
3695 }
3696
3697 void
3698 Editor::snap_mode_selection_done ()
3699 {
3700         string choice = snap_mode_selector.get_active_text();
3701         SnapMode mode = SnapNormal;
3702
3703         if (choice == _("No Grid")) {
3704                 mode = SnapOff;
3705         } else if (choice == _("Grid")) {
3706                 mode = SnapNormal;
3707         } else if (choice == _("Magnetic")) {
3708                 mode = SnapMagnetic;
3709         }
3710
3711         RefPtr<RadioAction> ract = snap_mode_action (mode);
3712
3713         if (ract) {
3714                 ract->set_active (true);
3715         }
3716 }
3717
3718 void
3719 Editor::cycle_edit_point (bool with_marker)
3720 {
3721         switch (_edit_point) {
3722         case EditAtMouse:
3723                 set_edit_point_preference (EditAtPlayhead);
3724                 break;
3725         case EditAtPlayhead:
3726                 if (with_marker) {
3727                         set_edit_point_preference (EditAtSelectedMarker);
3728                 } else {
3729                         set_edit_point_preference (EditAtMouse);
3730                 }
3731                 break;
3732         case EditAtSelectedMarker:
3733                 set_edit_point_preference (EditAtMouse);
3734                 break;
3735         }
3736 }
3737
3738 void
3739 Editor::edit_point_selection_done ()
3740 {
3741         string choice = edit_point_selector.get_active_text();
3742         EditPoint ep = EditAtSelectedMarker;
3743
3744         if (choice == _("Marker")) {
3745                 set_edit_point_preference (EditAtSelectedMarker);
3746         } else if (choice == _("Playhead")) {
3747                 set_edit_point_preference (EditAtPlayhead);
3748         } else {
3749                 set_edit_point_preference (EditAtMouse);
3750         }
3751
3752         RefPtr<RadioAction> ract = edit_point_action (ep);
3753
3754         if (ract) {
3755                 ract->set_active (true);
3756         }
3757 }
3758
3759 void
3760 Editor::zoom_focus_selection_done ()
3761 {
3762         string choice = zoom_focus_selector.get_active_text();
3763         ZoomFocus focus_type = ZoomFocusLeft;
3764
3765         if (choice == _("Left")) {
3766                 focus_type = ZoomFocusLeft;
3767         } else if (choice == _("Right")) {
3768                 focus_type = ZoomFocusRight;
3769         } else if (choice == _("Center")) {
3770                 focus_type = ZoomFocusCenter;
3771         } else if (choice == _("Play")) {
3772                 focus_type = ZoomFocusPlayhead;
3773         } else if (choice == _("Edit")) {
3774                 focus_type = ZoomFocusEdit;
3775         } else if (choice == _("Active Mark")) {
3776                 focus_type = ZoomFocusEdit;
3777         } else if (choice == _("Active Mark")) {
3778                 focus_type = ZoomFocusEdit;
3779         } else {
3780                 focus_type = ZoomFocusMouse;
3781         }
3782
3783         RefPtr<RadioAction> ract = zoom_focus_action (focus_type);
3784
3785         if (ract) {
3786                 ract->set_active ();
3787         }
3788 }
3789
3790 gint
3791 Editor::edit_controls_button_release (GdkEventButton* ev)
3792 {
3793         if (Keyboard::is_context_menu_event (ev)) {
3794                 ARDOUR_UI::instance()->add_route (this);
3795         }
3796         return TRUE;
3797 }
3798
3799 gint
3800 Editor::mouse_select_button_release (GdkEventButton* ev)
3801 {
3802         /* this handles just right-clicks */
3803
3804         if (ev->button != 3) {
3805                 return false;
3806         }
3807
3808         return true;
3809 }
3810
3811 Editor::TrackViewList *
3812 Editor::get_valid_views (TimeAxisView* track, RouteGroup* group)
3813 {
3814         TrackViewList *v;
3815         TrackViewList::iterator i;
3816
3817         v = new TrackViewList;
3818
3819         if (track == 0 && group == 0) {
3820
3821                 /* all views */
3822
3823                 for (i = track_views.begin(); i != track_views.end (); ++i) {
3824                         v->push_back (*i);
3825                 }
3826
3827         } else if ((track != 0 && group == 0) || (track != 0 && group != 0 && !group->is_active())) {
3828
3829                 /* just the view for this track
3830                  */
3831
3832                 v->push_back (track);
3833
3834         } else {
3835
3836                 /* views for all tracks in the edit group */
3837
3838                 for (i  = track_views.begin(); i != track_views.end (); ++i) {
3839
3840                         if (group == 0 || (*i)->edit_group() == group) {
3841                                 v->push_back (*i);
3842                         }
3843                 }
3844         }
3845
3846         return v;
3847 }
3848
3849 void
3850 Editor::set_zoom_focus (ZoomFocus f)
3851 {
3852         string str = zoom_focus_strings[(int)f];
3853
3854         if (str != zoom_focus_selector.get_active_text()) {
3855                 zoom_focus_selector.set_active_text (str);
3856         }
3857
3858         if (zoom_focus != f) {
3859                 zoom_focus = f;
3860
3861                 ZoomFocusChanged (); /* EMIT_SIGNAL */
3862
3863                 instant_save ();
3864         }
3865 }
3866
3867 void
3868 Editor::ensure_float (Window& win)
3869 {
3870         win.set_transient_for (*this);
3871 }
3872
3873 void
3874 Editor::pane_allocation_handler (Allocation &alloc, Paned* which)
3875 {
3876         /* recover or initialize pane positions. do this here rather than earlier because
3877            we don't want the positions to change the child allocations, which they seem to do.
3878          */
3879
3880         int pos;
3881         XMLProperty* prop;
3882         char buf[32];
3883         XMLNode* node = ARDOUR_UI::instance()->editor_settings();
3884         int width, height;
3885         static int32_t done;
3886         XMLNode* geometry;
3887
3888         if ((geometry = find_named_node (*node, "geometry")) == 0) {
3889                 width = default_width;
3890                 height = default_height;
3891         } else {
3892                 width = atoi(geometry->property("x_size")->value());
3893                 height = atoi(geometry->property("y_size")->value());
3894         }
3895
3896         if (which == static_cast<Paned*> (&edit_pane)) {
3897
3898                 if (done) {
3899                         return;
3900                 }
3901
3902                 if (!geometry || (prop = geometry->property ("edit_pane_pos")) == 0) {
3903                         /* initial allocation is 90% to canvas, 10% to notebook */
3904                         pos = (int) floor (alloc.get_width() * 0.90f);
3905                         snprintf (buf, sizeof(buf), "%d", pos);
3906                 } else {
3907                         pos = atoi (prop->value());
3908                 }
3909
3910                 if ((done = GTK_WIDGET(edit_pane.gobj())->allocation.width > pos)) {
3911                         edit_pane.set_position (pos);
3912                         pre_maximal_pane_position = pos;
3913                 }
3914         }
3915 }
3916
3917 void
3918 Editor::detach_tearoff (Box* b, Window* w)
3919 {
3920         if (tools_tearoff->torn_off() &&
3921             mouse_mode_tearoff->torn_off()) {
3922                 top_hbox.remove (toolbar_frame);
3923         }
3924 }
3925
3926 void
3927 Editor::reattach_tearoff (Box* b, Window* w, int32_t n)
3928 {
3929         if (toolbar_frame.get_parent() == 0) {
3930                 top_hbox.pack_end (toolbar_frame);
3931         }
3932 }
3933
3934 void
3935 Editor::set_show_measures (bool yn)
3936 {
3937         if (_show_measures != yn) {
3938                 hide_measures ();
3939
3940                 if ((_show_measures = yn) == true) {
3941                         draw_measures ();
3942                 }
3943                 instant_save ();
3944         }
3945 }
3946
3947 void
3948 Editor::toggle_follow_playhead ()
3949 {
3950         RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("toggle-follow-playhead"));
3951         if (act) {
3952                 RefPtr<ToggleAction> tact = RefPtr<ToggleAction>::cast_dynamic(act);
3953                 set_follow_playhead (tact->get_active());
3954         }
3955 }
3956
3957 void
3958 Editor::set_follow_playhead (bool yn)
3959 {
3960         if (_follow_playhead != yn) {
3961                 if ((_follow_playhead = yn) == true) {
3962                         /* catch up */
3963                         update_current_screen ();
3964                 }
3965                 instant_save ();
3966         }
3967 }
3968
3969 void
3970 Editor::toggle_xfade_active (boost::weak_ptr<Crossfade> wxfade)
3971 {
3972         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3973         if (xfade) {
3974                 xfade->set_active (!xfade->active());
3975         }
3976 }
3977
3978 void
3979 Editor::toggle_xfade_length (boost::weak_ptr<Crossfade> wxfade)
3980 {
3981         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3982         if (xfade) {
3983                 xfade->set_follow_overlap (!xfade->following_overlap());
3984         }
3985 }
3986
3987 void
3988 Editor::edit_xfade (boost::weak_ptr<Crossfade> wxfade)
3989 {
3990         boost::shared_ptr<Crossfade> xfade (wxfade.lock());
3991
3992         if (!xfade) {
3993                 return;
3994         }
3995
3996         CrossfadeEditor cew (*session, xfade, xfade->fade_in().get_min_y(), 1.0);
3997
3998         ensure_float (cew);
3999
4000         switch (cew.run ()) {
4001         case RESPONSE_ACCEPT:
4002                 break;
4003         default:
4004                 return;
4005         }
4006
4007         cew.apply ();
4008         xfade->StateChanged (Change (~0));
4009 }
4010
4011 PlaylistSelector&
4012 Editor::playlist_selector () const
4013 {
4014         return *_playlist_selector;
4015 }
4016
4017 nframes64_t
4018 Editor::get_nudge_distance (nframes64_t pos, nframes64_t& next)
4019 {
4020         nframes64_t ret;
4021
4022         ret = nudge_clock.current_duration (pos);
4023         next = ret + 1; /* XXXX fix me */
4024
4025         return ret;
4026 }
4027
4028 void
4029 Editor::end_location_changed (Location* location)
4030 {
4031         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::end_location_changed), location));
4032         //reset_scrolling_region ();
4033         horizontal_adjustment.set_upper ( location->start());
4034 }
4035
4036 int
4037 Editor::playlist_deletion_dialog (boost::shared_ptr<Playlist> pl)
4038 {
4039         ArdourDialog dialog ("playlist deletion dialog");
4040         Label  label (string_compose (_("Playlist %1 is currently unused.\n"
4041                                         "If left alone, no audio files used by it will be cleaned.\n"
4042                                         "If deleted, audio files used by it alone by will cleaned."),
4043                                       pl->name()));
4044
4045         dialog.set_position (WIN_POS_CENTER);
4046         dialog.get_vbox()->pack_start (label);
4047
4048         label.show ();
4049
4050         dialog.add_button (_("Delete playlist"), RESPONSE_ACCEPT);
4051         dialog.add_button (_("Keep playlist"), RESPONSE_REJECT);
4052         dialog.add_button (_("Cancel"), RESPONSE_CANCEL);
4053
4054         switch (dialog.run ()) {
4055         case RESPONSE_ACCEPT:
4056                 /* delete the playlist */
4057                 return 0;
4058                 break;
4059
4060         case RESPONSE_REJECT:
4061                 /* keep the playlist */
4062                 return 1;
4063                 break;
4064
4065         default:
4066                 break;
4067         }
4068
4069         return -1;
4070 }
4071
4072 bool
4073 Editor::audio_region_selection_covers (nframes64_t where)
4074 {
4075         for (RegionSelection::iterator a = selection->regions.begin(); a != selection->regions.end(); ++a) {
4076                 if ((*a)->region()->covers (where)) {
4077                         return true;
4078                 }
4079         }
4080
4081         return false;
4082 }
4083
4084 void
4085 Editor::prepare_for_cleanup ()
4086 {
4087         cut_buffer->clear_regions ();
4088         cut_buffer->clear_playlists ();
4089
4090         selection->clear_regions ();
4091         selection->clear_playlists ();
4092
4093         no_region_list_redisplay = true;
4094 }
4095
4096 void
4097 Editor::finish_cleanup ()
4098 {
4099         no_region_list_redisplay = false;
4100         redisplay_regions ();
4101 }
4102
4103 Location*
4104 Editor::transport_loop_location()
4105 {
4106         if (session) {
4107                 return session->locations()->auto_loop_location();
4108         } else {
4109                 return 0;
4110         }
4111 }
4112
4113 Location*
4114 Editor::transport_punch_location()
4115 {
4116         if (session) {
4117                 return session->locations()->auto_punch_location();
4118         } else {
4119                 return 0;
4120         }
4121 }
4122
4123 bool
4124 Editor::control_layout_scroll (GdkEventScroll* ev)
4125 {
4126         switch (ev->direction) {
4127         case GDK_SCROLL_UP:
4128                 scroll_tracks_up_line ();
4129                 return true;
4130                 break;
4131
4132         case GDK_SCROLL_DOWN:
4133                 scroll_tracks_down_line ();
4134                 return true;
4135
4136         default:
4137                 /* no left/right handling yet */
4138                 break;
4139         }
4140
4141         return false;
4142 }
4143
4144
4145 /** A new snapshot has been selected.
4146  */
4147 void
4148 Editor::snapshot_display_selection_changed ()
4149 {
4150         if (snapshot_display.get_selection()->count_selected_rows() > 0) {
4151
4152                 TreeModel::iterator i = snapshot_display.get_selection()->get_selected();
4153
4154                 Glib::ustring snap_name = (*i)[snapshot_display_columns.real_name];
4155
4156                 if (snap_name.length() == 0) {
4157                         return;
4158                 }
4159
4160                 if (session->snap_name() == snap_name) {
4161                         return;
4162                 }
4163
4164                 ARDOUR_UI::instance()->load_session(session->path(), string (snap_name));
4165         }
4166 }
4167
4168 bool
4169 Editor::snapshot_display_button_press (GdkEventButton* ev)
4170 {
4171         if (ev->button == 3) {
4172                 /* Right-click on the snapshot list. Work out which snapshot it
4173                    was over. */
4174                 Gtk::TreeModel::Path path;
4175                 Gtk::TreeViewColumn* col;
4176                 int cx;
4177                 int cy;
4178                 snapshot_display.get_path_at_pos ((int) ev->x, (int) ev->y, path, col, cx, cy);
4179                 Gtk::TreeModel::iterator iter = snapshot_display_model->get_iter (path);
4180                 if (iter) {
4181                         Gtk::TreeModel::Row row = *iter;
4182                         popup_snapshot_context_menu (ev->button, ev->time, row[snapshot_display_columns.real_name]);
4183                 }
4184                 return true;
4185         }
4186
4187         return false;
4188 }
4189
4190
4191 /** Pop up the snapshot display context menu.
4192  * @param button Button used to open the menu.
4193  * @param time Menu open time.
4194  * @snapshot_name Name of the snapshot that the menu click was over.
4195  */
4196
4197 void
4198 Editor::popup_snapshot_context_menu (int button, int32_t time, Glib::ustring snapshot_name)
4199 {
4200         using namespace Menu_Helpers;
4201
4202         MenuList& items (snapshot_context_menu.items());
4203         items.clear ();
4204
4205         const bool modification_allowed = (session->snap_name() != snapshot_name && session->name() != snapshot_name);
4206
4207         add_item_with_sensitivity (items, MenuElem (_("Remove"), bind (mem_fun (*this, &Editor::remove_snapshot), snapshot_name)), modification_allowed);
4208
4209         add_item_with_sensitivity (items, MenuElem (_("Rename"), bind (mem_fun (*this, &Editor::rename_snapshot), snapshot_name)), modification_allowed);
4210
4211         snapshot_context_menu.popup (button, time);
4212 }
4213
4214 void
4215 Editor::rename_snapshot (Glib::ustring old_name)
4216 {
4217         ArdourPrompter prompter(true);
4218
4219         string new_name;
4220
4221         prompter.set_name ("Prompter");
4222         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
4223         prompter.set_prompt (_("New name of snapshot"));
4224         prompter.set_initial_text (old_name);
4225
4226         if (prompter.run() == RESPONSE_ACCEPT) {
4227                 prompter.get_result (new_name);
4228                 if (new_name.length()) {
4229                         session->rename_state (old_name, new_name);
4230                         redisplay_snapshots ();
4231                 }
4232         }
4233 }
4234
4235
4236 void
4237 Editor::remove_snapshot (Glib::ustring name)
4238 {
4239         vector<string> choices;
4240
4241         std::string prompt  = string_compose (_("Do you really want to remove snapshot \"%1\" ?\n(cannot be undone)"), name);
4242
4243         choices.push_back (_("No, do nothing."));
4244         choices.push_back (_("Yes, remove it."));
4245
4246         Gtkmm2ext::Choice prompter (prompt, choices);
4247
4248         if (prompter.run () == 1) {
4249                 session->remove_state (name);
4250                 redisplay_snapshots ();
4251         }
4252 }
4253
4254 void
4255 Editor::redisplay_snapshots ()
4256 {
4257         if (session == 0) {
4258                 return;
4259         }
4260
4261         vector<sys::path> state_file_paths;
4262
4263         get_state_files_in_directory (session->session_directory().root_path(),
4264                         state_file_paths);
4265
4266         if (state_file_paths.empty()) return;
4267
4268         vector<string> state_file_names(get_file_names_no_extension(state_file_paths));
4269
4270         snapshot_display_model->clear ();
4271
4272         for (vector<string>::iterator i = state_file_names.begin();
4273                         i != state_file_names.end(); ++i)
4274         {
4275                 string statename = (*i);
4276                 TreeModel::Row row = *(snapshot_display_model->append());
4277
4278                 /* this lingers on in case we ever want to change the visible
4279                    name of the snapshot.
4280                 */
4281
4282                 string display_name;
4283                 display_name = statename;
4284
4285                 if (statename == session->snap_name()) {
4286                         snapshot_display.get_selection()->select(row);
4287                 }
4288
4289                 row[snapshot_display_columns.visible_name] = display_name;
4290                 row[snapshot_display_columns.real_name] = statename;
4291         }
4292 }
4293
4294 void
4295 Editor::session_state_saved (string snap_name)
4296 {
4297         ENSURE_GUI_THREAD (bind (mem_fun(*this, &Editor::session_state_saved), snap_name));
4298         redisplay_snapshots ();
4299 }
4300
4301 void
4302 Editor::maximise_editing_space ()
4303 {
4304         mouse_mode_tearoff->set_visible (false);
4305         tools_tearoff->set_visible (false);
4306
4307         pre_maximal_pane_position = edit_pane.get_position();
4308         pre_maximal_editor_width = this->get_width();
4309
4310         if(post_maximal_pane_position == 0) {
4311                 post_maximal_pane_position = edit_pane.get_width();
4312         }
4313
4314         fullscreen();
4315
4316         if(post_maximal_editor_width) {
4317                 edit_pane.set_position (post_maximal_pane_position -
4318                         abs(post_maximal_editor_width - pre_maximal_editor_width));
4319         } else {
4320                 edit_pane.set_position (post_maximal_pane_position);
4321         }
4322 }
4323
4324 void
4325 Editor::restore_editing_space ()
4326 {
4327         // user changed width of pane during fullscreen
4328
4329         if(post_maximal_pane_position != edit_pane.get_position()) {
4330                 post_maximal_pane_position = edit_pane.get_position();
4331         }
4332
4333         unfullscreen();
4334
4335         mouse_mode_tearoff->set_visible (true);
4336         tools_tearoff->set_visible (true);
4337         post_maximal_editor_width = this->get_width();
4338
4339         edit_pane.set_position (pre_maximal_pane_position + abs(this->get_width() - pre_maximal_editor_width));
4340 }
4341
4342 /**
4343  *  Make new playlists for a given track and also any others that belong
4344  *  to the same active edit group.
4345  *  @param v Track.
4346  */
4347
4348 void
4349 Editor::new_playlists (TimeAxisView* v)
4350 {
4351         begin_reversible_command (_("new playlists"));
4352         mapover_tracks (mem_fun (*this, &Editor::mapped_use_new_playlist), v);
4353         commit_reversible_command ();
4354 }
4355
4356 /**
4357  *  Use a copy of the current playlist for a given track and also any others that belong
4358  *  to the same active edit group.
4359  *  @param v Track.
4360  */
4361
4362 void
4363 Editor::copy_playlists (TimeAxisView* v)
4364 {
4365         begin_reversible_command (_("copy playlists"));
4366         mapover_tracks (mem_fun (*this, &Editor::mapped_use_copy_playlist), v);
4367         commit_reversible_command ();
4368 }
4369
4370 /**
4371  *  Clear the current playlist for a given track and also any others that belong
4372  *  to the same active edit group.
4373  *  @param v Track.
4374  */
4375
4376 void
4377 Editor::clear_playlists (TimeAxisView* v)
4378 {
4379         begin_reversible_command (_("clear playlists"));
4380         mapover_tracks (mem_fun (*this, &Editor::mapped_clear_playlist), v);
4381         commit_reversible_command ();
4382 }
4383
4384 void
4385 Editor::mapped_use_new_playlist (RouteTimeAxisView& atv, uint32_t sz)
4386 {
4387         atv.use_new_playlist (sz > 1 ? false : true);
4388 }
4389
4390 void
4391 Editor::mapped_use_copy_playlist (RouteTimeAxisView& atv, uint32_t sz)
4392 {
4393         atv.use_copy_playlist (sz > 1 ? false : true);
4394 }
4395
4396 void
4397 Editor::mapped_clear_playlist (RouteTimeAxisView& atv, uint32_t sz)
4398 {
4399         atv.clear_playlist ();
4400 }
4401
4402 bool
4403 Editor::on_key_press_event (GdkEventKey* ev)
4404 {
4405         return key_press_focus_accelerator_handler (*this, ev);
4406 }
4407
4408 bool
4409 Editor::on_key_release_event (GdkEventKey* ev)
4410 {
4411         return Gtk::Window::on_key_release_event (ev);
4412         // return key_press_focus_accelerator_handler (*this, ev);
4413 }
4414
4415 void
4416 Editor::reset_x_origin (nframes64_t frame)
4417 {
4418         //cerr << "resetting x origin" << endl;
4419         queue_visual_change (frame);
4420 }
4421
4422 void
4423 Editor::reset_zoom (double fpu)
4424 {
4425         queue_visual_change (fpu);
4426 }
4427
4428 void
4429 Editor::reposition_and_zoom (nframes64_t frame, double fpu)
4430 {
4431         //cerr << "Editor::reposition_and_zoom () called ha v:l:u:ps:fpu = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << frames_per_unit << endl;//DEBUG
4432         reset_x_origin (frame);
4433         reset_zoom (fpu);
4434
4435         if (!no_save_visual) {
4436                 undo_visual_stack.push_back (current_visual_state(false));
4437         }
4438 }
4439
4440 Editor::VisualState*
4441 Editor::current_visual_state (bool with_tracks)
4442 {
4443         VisualState* vs = new VisualState;
4444         vs->y_position = vertical_adjustment.get_value();
4445         vs->frames_per_unit = frames_per_unit;
4446         vs->leftmost_frame = leftmost_frame;
4447         vs->zoom_focus = zoom_focus;
4448         vs->zoomed_to_region = zoomed_to_region;
4449
4450         if (with_tracks) {
4451                 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4452                         vs->track_states.push_back (TAVState ((*i), &(*i)->get_state()));
4453                 }
4454         }
4455
4456         return vs;
4457 }
4458
4459 void
4460 Editor::undo_visual_state ()
4461 {
4462         if (undo_visual_stack.empty()) {
4463                 return;
4464         }
4465
4466         VisualState* vs = undo_visual_stack.back();
4467         undo_visual_stack.pop_back();
4468         use_visual_state (*vs);
4469         redo_visual_stack.push_back (vs);
4470 }
4471
4472 void
4473 Editor::redo_visual_state ()
4474 {
4475         if (redo_visual_stack.empty()) {
4476                 return;
4477         }
4478
4479         VisualState* vs = redo_visual_stack.back();
4480         redo_visual_stack.pop_back();
4481         use_visual_state (*vs);
4482         undo_visual_stack.push_back (vs);
4483 }
4484
4485 void
4486 Editor::swap_visual_state ()
4487 {
4488         if (undo_visual_stack.empty()) {
4489                 redo_visual_state ();
4490         } else {
4491                 undo_visual_state ();
4492         }
4493 }
4494
4495 void
4496 Editor::use_visual_state (VisualState& vs)
4497 {
4498         no_save_visual = true;
4499
4500         vertical_adjustment.set_value (vs.y_position);
4501
4502         set_zoom_focus (vs.zoom_focus);
4503         reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
4504
4505         for (list<TAVState>::iterator i = vs.track_states.begin(); i != vs.track_states.end(); ++i) {
4506                 TrackViewList::iterator t;
4507
4508                 /* check if the track still exists - it could have been deleted */
4509
4510                 if ((t = find (track_views.begin(), track_views.end(), i->first)) != track_views.end()) {
4511                         (*t)->set_state (*(i->second));
4512                 }
4513         }
4514
4515         if (!vs.track_states.empty()) {
4516                 update_route_visibility ();
4517         }
4518
4519         no_save_visual = false;
4520 }
4521
4522 void
4523 Editor::set_frames_per_unit (double fpu)
4524 {
4525         /* this is the core function that controls the zoom level of the canvas. it is called
4526            whenever one or more calls are made to reset_zoom(). it executes in an idle handler.
4527         */
4528
4529         if (fpu == frames_per_unit) {
4530                 return;
4531         }
4532
4533         if (fpu < 2.0) {
4534                 fpu = 2.0;
4535         }
4536
4537
4538         /* don't allow zooms that fit more than the maximum number
4539            of frames into an 800 pixel wide space.
4540         */
4541
4542         if (max_frames / fpu < 800.0) {
4543                 return;
4544         }
4545
4546         frames_per_unit = fpu;
4547         post_zoom ();
4548 }
4549
4550 void
4551 Editor::post_zoom ()
4552 {
4553         // convert fpu to frame count
4554
4555         nframes64_t frames = (nframes64_t) floor (frames_per_unit * canvas_width);
4556
4557         if (frames_per_unit != zoom_range_clock.current_duration()) {
4558                 zoom_range_clock.set (frames);
4559         }
4560
4561         if (mouse_mode == MouseRange && selection->time.start () != selection->time.end_frame ()) {
4562                 if (!selection->tracks.empty()) {
4563                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
4564                                 (*i)->reshow_selection (selection->time);
4565                         }
4566                 } else {
4567                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4568                                 (*i)->reshow_selection (selection->time);
4569                         }
4570                 }
4571         }
4572
4573         ZoomChanged (); /* EMIT_SIGNAL */
4574
4575         reset_hscrollbar_stepping ();
4576         //reset_scrolling_region ();
4577
4578         if (playhead_cursor) {
4579                 playhead_cursor->set_position (playhead_cursor->current_frame);
4580         }
4581
4582         instant_save ();
4583 }
4584
4585 void
4586 Editor::queue_visual_change (nframes64_t where)
4587 {
4588 //      pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::TimeOrigin);
4589 //      pending_visual_change.time_origin = where;
4590
4591         if (pending_visual_change.idle_handler_id < 0) {
4592                 pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::TimeOrigin);
4593                 pending_visual_change.time_origin = where;
4594                 pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
4595         }
4596 }
4597
4598 void
4599 Editor::queue_visual_change (double fpu)
4600 {
4601         pending_visual_change.pending = VisualChange::Type (pending_visual_change.pending | VisualChange::ZoomLevel);
4602         pending_visual_change.frames_per_unit = fpu;
4603
4604         if (pending_visual_change.idle_handler_id < 0) {
4605                 pending_visual_change.idle_handler_id = g_idle_add ( _idle_visual_changer, this);
4606         }
4607
4608 }
4609
4610 int
4611 Editor::_idle_visual_changer (void* arg)
4612 {
4613         return static_cast<Editor*>(arg)->idle_visual_changer ();
4614 }
4615
4616 int
4617 Editor::idle_visual_changer ()
4618 {
4619         VisualChange::Type p = pending_visual_change.pending;
4620         pending_visual_change.pending = (VisualChange::Type) 0;
4621
4622         if (p & VisualChange::ZoomLevel) {
4623                 set_frames_per_unit (pending_visual_change.frames_per_unit);
4624
4625                 compute_fixed_ruler_scale ();
4626                 compute_current_bbt_points(pending_visual_change.time_origin, pending_visual_change.time_origin + (nframes_t)(edit_packer.get_width() * pending_visual_change.frames_per_unit));
4627                 compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + (nframes_t)(edit_packer.get_width() * pending_visual_change.frames_per_unit));
4628                 update_tempo_based_rulers ();
4629         }
4630         if (p & VisualChange::TimeOrigin) {
4631
4632                 nframes64_t csf, cef;
4633                 nframes64_t current_time_origin = (nframes64_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
4634
4635                 if (session) {
4636                         csf = session->current_start_frame();
4637                         cef = session->current_end_frame() + (current_page_frames() / 24);// Add a little extra so we can see the end marker
4638                 }
4639
4640                 /* if we seek beyond the current end of the canvas, move the end */
4641
4642                 if (current_time_origin != pending_visual_change.time_origin) {
4643                         //if (horizontal_adjustment.get_upper() < pending_visual_change.time_origin) {
4644                         last_canvas_frame = (cef > (pending_visual_change.time_origin + current_page_frames())) ? cef : pending_visual_change.time_origin + current_page_frames();
4645                         horizontal_adjustment.set_upper ((cef - csf) / frames_per_unit);
4646                         //}
4647                         horizontal_adjustment.set_value (pending_visual_change.time_origin / frames_per_unit);
4648                 } else {
4649                         update_fixed_rulers();
4650                         redisplay_tempo (true);
4651                 }
4652         }
4653         //cerr << "Editor::idle_visual_changer () called ha v:l:u:ps:fpu = " << horizontal_adjustment.get_value() << ":" << horizontal_adjustment.get_lower() << ":" << horizontal_adjustment.get_upper() << ":" << horizontal_adjustment.get_page_size() << ":" << frames_per_unit << endl;//DEBUG
4654         pending_visual_change.idle_handler_id = -1;
4655         return 0; /* this is always a one-shot call */
4656 }
4657
4658 struct EditorOrderTimeAxisSorter {
4659     bool operator() (const TimeAxisView* a, const TimeAxisView* b) const {
4660             return a->order < b->order;
4661     }
4662 };
4663
4664 void
4665 Editor::sort_track_selection (TrackSelection* sel)
4666 {
4667         EditorOrderTimeAxisSorter cmp;
4668
4669         if (sel) {
4670                 sel->sort (cmp);
4671         } else {
4672                 selection->tracks.sort (cmp);
4673         }
4674 }
4675
4676 nframes64_t
4677 Editor::get_preferred_edit_position (bool ignore_playhead)
4678 {
4679         bool ignored;
4680         nframes64_t where = 0;
4681         EditPoint ep = _edit_point;
4682
4683         if (entered_marker) {
4684                 return entered_marker->position();
4685         }
4686
4687         if (ignore_playhead && ep == EditAtPlayhead) {
4688                 ep = EditAtSelectedMarker;
4689         }
4690
4691         switch (ep) {
4692         case EditAtPlayhead:
4693                 where = session->audible_frame();
4694                 break;
4695
4696         case EditAtSelectedMarker:
4697                 if (!selection->markers.empty()) {
4698                         bool is_start;
4699                         Location* loc = find_location_from_marker (selection->markers.front(), is_start);
4700                         if (loc) {
4701                                 if (is_start) {
4702                                         where =  loc->start();
4703                                 } else {
4704                                         where = loc->end();
4705                                 }
4706                                 break;
4707                         }
4708                 }
4709                 /* fallthru */
4710
4711         default:
4712         case EditAtMouse:
4713                 if (!mouse_frame (where, ignored)) {
4714                         /* XXX not right but what can we do ? */
4715                         return 0;
4716                 }
4717                 snap_to (where);
4718                 break;
4719         }
4720
4721         return where;
4722 }
4723
4724 void
4725 Editor::set_loop_range (nframes64_t start, nframes64_t end, string cmd)
4726 {
4727         if (!session) return;
4728
4729         begin_reversible_command (cmd);
4730
4731         Location* tll;
4732
4733         if ((tll = transport_loop_location()) == 0) {
4734                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoLoop);
4735                 XMLNode &before = session->locations()->get_state();
4736                 session->locations()->add (loc, true);
4737                 session->set_auto_loop_location (loc);
4738                 XMLNode &after = session->locations()->get_state();
4739                 session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
4740         } else {
4741                 XMLNode &before = tll->get_state();
4742                 tll->set_hidden (false, this);
4743                 tll->set (start, end);
4744                 XMLNode &after = tll->get_state();
4745                 session->add_command (new MementoCommand<Location>(*tll, &before, &after));
4746         }
4747
4748         commit_reversible_command ();
4749 }
4750
4751 void
4752 Editor::set_punch_range (nframes64_t start, nframes64_t end, string cmd)
4753 {
4754         if (!session) return;
4755
4756         begin_reversible_command (cmd);
4757
4758         Location* tpl;
4759
4760         if ((tpl = transport_punch_location()) == 0) {
4761                 Location* loc = new Location (start, end, _("Loop"),  Location::IsAutoPunch);
4762                 XMLNode &before = session->locations()->get_state();
4763                 session->locations()->add (loc, true);
4764                 session->set_auto_loop_location (loc);
4765                 XMLNode &after = session->locations()->get_state();
4766                 session->add_command (new MementoCommand<Locations>(*(session->locations()), &before, &after));
4767         }
4768         else {
4769                 XMLNode &before = tpl->get_state();
4770                 tpl->set_hidden (false, this);
4771                 tpl->set (start, end);
4772                 XMLNode &after = tpl->get_state();
4773                 session->add_command (new MementoCommand<Location>(*tpl, &before, &after));
4774         }
4775
4776         commit_reversible_command ();
4777 }
4778
4779 void
4780 Editor::get_regions_at (RegionSelection& rs, nframes64_t where, const TrackSelection& ts) const
4781 {
4782         const TrackSelection* tracks;
4783
4784         if (ts.empty()) {
4785                 tracks = &track_views;
4786         } else {
4787                 tracks = &ts;
4788         }
4789
4790         for (TrackSelection::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4791
4792                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*t);
4793
4794                 if (atv) {
4795                         boost::shared_ptr<Diskstream> ds;
4796                         boost::shared_ptr<Playlist> pl;
4797
4798                         if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
4799
4800                                 Playlist::RegionList* regions = pl->regions_at ((nframes64_t) floor ( (double)where * ds->speed()));
4801
4802                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4803
4804                                         RegionView* rv = atv->audio_view()->find_view (*i);
4805
4806                                         if (rv) {
4807                                                 rs.add (rv);
4808                                         }
4809                                 }
4810
4811                                 delete regions;
4812                         }
4813                 }
4814         }
4815 }
4816
4817 void
4818 Editor::get_regions_after (RegionSelection& rs, nframes64_t where, const TrackSelection& ts) const
4819 {
4820         const TrackSelection* tracks;
4821
4822         if (ts.empty()) {
4823                 tracks = &track_views;
4824         } else {
4825                 tracks = &ts;
4826         }
4827
4828         for (TrackSelection::const_iterator t = tracks->begin(); t != tracks->end(); ++t) {
4829
4830                 AudioTimeAxisView* atv = dynamic_cast<AudioTimeAxisView*>(*t);
4831
4832                 if (atv) {
4833                         boost::shared_ptr<Diskstream> ds;
4834                         boost::shared_ptr<Playlist> pl;
4835
4836                         if ((ds = atv->get_diskstream()) && ((pl = ds->playlist()))) {
4837
4838                                 Playlist::RegionList* regions = pl->regions_touched ((nframes64_t) floor ( (double)where * ds->speed()), max_frames);
4839
4840                                 for (Playlist::RegionList::iterator i = regions->begin(); i != regions->end(); ++i) {
4841
4842                                         RegionView* rv = atv->audio_view()->find_view (*i);
4843
4844                                         if (rv) {
4845                                                 rs.push_back (rv);
4846                                         }
4847                                 }
4848
4849                                 delete regions;
4850                         }
4851                 }
4852         }
4853 }
4854
4855 void
4856 Editor::get_regions_for_action (RegionSelection& rs, bool allow_entered)
4857 {
4858         if (selection->regions.empty()) {
4859
4860                 if (selection->tracks.empty()) {
4861
4862                         /* no regions or tracks selected
4863                         */
4864
4865                         if (entered_regionview && mouse_mode == Editing::MouseObject) {
4866
4867                                 /*  entered regionview is valid and we're in object mode -
4868                                     just use entered regionview
4869                                 */
4870
4871                                 rs.add (entered_regionview);
4872                         }
4873
4874                         return;
4875
4876                 } else {
4877
4878                         /* no regions selected, so get all regions at the edit point across
4879                            all selected tracks.
4880                         */
4881
4882                         nframes64_t where = get_preferred_edit_position();
4883                         get_regions_at (rs, where, selection->tracks);
4884
4885                         /* if the entered regionview wasn't selected and neither was its track
4886                            then add it.
4887                         */
4888
4889                         if (entered_regionview != 0 &&
4890                             !selection->selected (entered_regionview) &&
4891                             !selection->selected (&entered_regionview->get_time_axis_view())) {
4892                                 rs.add (entered_regionview);
4893                         }
4894                 }
4895
4896         } else {
4897
4898                 /* just use the selected regions */
4899
4900                 rs = selection->regions;
4901
4902                 /* if the entered regionview wasn't selected and we allow this sort of thing,
4903                    then add it.
4904                 */
4905
4906                 if (allow_entered && entered_regionview && !selection->selected (entered_regionview)) {
4907                         rs.add (entered_regionview);
4908                 }
4909
4910         }
4911 }
4912
4913 void
4914 Editor::get_regions_corresponding_to (boost::shared_ptr<Region> region, vector<RegionView*>& regions)
4915 {
4916
4917         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
4918
4919                 RouteTimeAxisView* tatv;
4920
4921                 if ((tatv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
4922
4923                         boost::shared_ptr<Playlist> pl;
4924                         vector<boost::shared_ptr<Region> > results;
4925                         RegionView* marv;
4926                         boost::shared_ptr<Diskstream> ds;
4927
4928                         if ((ds = tatv->get_diskstream()) == 0) {
4929                                 /* bus */
4930                                 continue;
4931                         }
4932
4933                         if ((pl = (ds->playlist())) != 0) {
4934                                 pl->get_region_list_equivalent_regions (region, results);
4935                         }
4936
4937                         for (vector<boost::shared_ptr<Region> >::iterator ir = results.begin(); ir != results.end(); ++ir) {
4938                                 if ((marv = tatv->view()->find_view (*ir)) != 0) {
4939                                         regions.push_back (marv);
4940                                 }
4941                         }
4942
4943                 }
4944         }
4945 }
4946
4947 void
4948 Editor::show_rhythm_ferret ()
4949 {
4950         if (rhythm_ferret == 0) {
4951                 rhythm_ferret = new RhythmFerret(*this);
4952         }
4953
4954         rhythm_ferret->set_session (session);
4955         rhythm_ferret->show ();
4956         rhythm_ferret->present ();
4957 }
4958
4959 void
4960 Editor::first_idle ()
4961 {
4962         MessageDialog* dialog = 0;
4963
4964         if (track_views.size() > 1) {
4965                 dialog = new MessageDialog (*this,
4966                                             _("Please wait while Ardour loads visual data"),
4967                                             true,
4968                                             Gtk::MESSAGE_INFO,
4969                                             Gtk::BUTTONS_NONE);
4970                 dialog->present ();
4971                 ARDOUR_UI::instance()->flush_pending ();
4972         }
4973
4974         for (TrackViewList::iterator t = track_views.begin(); t != track_views.end(); ++t) {
4975                 (*t)->first_idle();
4976         }
4977
4978         if (dialog) {
4979                 delete dialog;
4980         }
4981
4982         _have_idled = true;
4983 }
4984
4985 void
4986 Editor::start_resize_line_ops ()
4987 {
4988 #if 0
4989         old_resize_line_y = -1;
4990         resize_line_y = -1;
4991         need_resize_line = true;
4992 #endif
4993 }
4994
4995 void
4996 Editor::end_resize_line_ops ()
4997 {
4998 #if 0
4999         need_resize_line = false;
5000
5001         if (old_resize_line_y >= 0) {
5002                 Gdk::Rectangle r (0, old_resize_line_y, (int) canvas_width, 3);
5003                 Glib::RefPtr<Gdk::Window> win = get_window();
5004                 cerr << "Final invalidation at " << old_resize_line_y << endl;
5005                 win->invalidate_rect (r, false);
5006         }
5007 #endif
5008 }
5009
5010 void
5011 Editor::queue_draw_resize_line (int at)
5012 {
5013 #if 0
5014         Glib::RefPtr<Gdk::Window> win = get_window();
5015
5016         resize_line_y = at;
5017
5018         if (win && canvas_width) {
5019
5020                 int controls_width = controls_layout.get_width();
5021                 int xroot, discard;
5022
5023                 controls_layout.get_window()->get_origin (xroot, discard);
5024
5025                 if (old_resize_line_y >= 0) {
5026
5027                         /* redraw where it used to be */
5028
5029
5030                         Gdk::Rectangle r (0, old_resize_line_y - 1, controls_width + (int) canvas_width, 3);
5031                         win->invalidate_rect (r, true);
5032                         cerr << "invalidate " << xroot << "," << old_resize_line_y - 1 << ' '
5033                              << controls_width + canvas_width << " x 3\n";
5034                 }
5035
5036                 /* draw where it is */
5037
5038                 Gdk::Rectangle r (0, at - 1, controls_width + (int) canvas_width, 3);
5039                 win->invalidate_rect (r, true);
5040         }
5041 #endif
5042 }
5043
5044 bool
5045 Editor::on_expose_event (GdkEventExpose* ev)
5046 {
5047         /* cerr << "+++ editor expose "
5048              << ev->area.x << ',' << ev->area.y
5049              << ' '
5050              << ev->area.width << " x " << ev->area.height
5051              << " need reize ? " << need_resize_line
5052              << endl;
5053         */
5054         bool ret = Window::on_expose_event (ev);
5055
5056 #if 0
5057         if (need_resize_line) {
5058
5059                 int xroot, yroot, discard;
5060                 int controls_width;
5061
5062                 /* Our root coordinates for drawing the line will be the left edge
5063                    of the track controls, and the upper left edge of our own window.
5064                 */
5065
5066                 get_window()->get_origin (discard, yroot);
5067                 controls_layout.get_window()->get_origin (xroot, discard);
5068                 controls_width = controls_layout.get_width();
5069
5070                 GdkRectangle lr;
5071                 GdkRectangle intersection;
5072
5073                 lr.x = 0;
5074                 lr.y = resize_line_y;
5075                 lr.width = controls_width + (int) canvas_width;
5076                 lr.height = 3;
5077
5078                 if (gdk_rectangle_intersect (&lr, &ev->area, &intersection)) {
5079
5080                         Glib::RefPtr<Gtk::Style> style (get_style());
5081                         Glib::RefPtr<Gdk::GC> black_gc (style->get_black_gc ());
5082                         Glib::RefPtr<Gdk::GC> gc = wrap (black_gc->gobj_copy(), false);
5083
5084                         /* draw on root window */
5085
5086                         GdkWindow* win = gdk_get_default_root_window();
5087
5088                         gc->set_subwindow (Gdk::INCLUDE_INFERIORS);
5089                         gc->set_line_attributes (3, Gdk::LINE_SOLID,
5090                                                  Gdk::CAP_NOT_LAST,
5091                                                  Gdk::JOIN_MITER);
5092
5093                         gdk_draw_line (win, gc->gobj(),
5094                                        0,
5095                                        resize_line_y,
5096                                        (int) canvas_width + controls_width,
5097                                        resize_line_y);
5098 #if 0
5099                         cerr << "drew line @ " << xroot << ", " << yroot + resize_line_y
5100                              << " to " << xroot + (int) canvas_width + controls_width
5101                              << ", " << yroot + resize_line_y
5102                              << endl;
5103 #endif
5104                         old_resize_line_y = resize_line_y;
5105                         cerr << "NEXT EXPOSE SHOULD BE AT " << old_resize_line_y << endl;
5106                 } else {
5107                         cerr << "no intersect with "
5108                              << lr.x << ',' << lr.y
5109                              << ' '
5110                              << lr.width << " x " << lr.height
5111                              << endl;
5112                 }
5113         }
5114
5115         //cerr << "--- editor expose\n";
5116 #endif
5117
5118         return ret;
5119 }
5120
5121 static gboolean
5122 _idle_resizer (gpointer arg)
5123 {
5124         return ((Editor*)arg)->idle_resize ();
5125 }
5126
5127 void
5128 Editor::add_to_idle_resize (TimeAxisView* view, uint32_t h)
5129 {
5130         if (resize_idle_id < 0) {
5131                 resize_idle_id = g_idle_add (_idle_resizer, this);
5132         }
5133
5134         resize_idle_target = h;
5135
5136         pending_resizes.push_back (view);
5137
5138         if (selection->selected (view) && !selection->tracks.empty()) {
5139                 pending_resizes.insert (pending_resizes.end(), selection->tracks.begin(), selection->tracks.end());
5140         }
5141 }
5142
5143 bool
5144 Editor::idle_resize ()
5145 {
5146         for (vector<TimeAxisView*>::iterator i = pending_resizes.begin(); i != pending_resizes.end(); ++i) {
5147                 (*i)->idle_resize (resize_idle_target);
5148         }
5149         pending_resizes.clear();
5150         resize_idle_id = -1;
5151         return false;
5152 }