gtk2_ardour/editor_canvas.cc

   1 /*
   2     Copyright (C) 2005 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <libgnomecanvasmm/init.h>
  21 #include <jack/types.h>
  22 #include <gtkmm2ext/utils.h>
  23
  24 #include <ardour/audioregion.h>
  25 #include <ardour/profile.h>
  26
  27 #include "ardour_ui.h"
  28 #include "editor.h"
  29 #include "waveview.h"
  30 #include "simplerect.h"
  31 #include "simpleline.h"
  32 #include "waveview_p.h"
  33 #include "simplerect_p.h"
  34 #include "simpleline_p.h"
  35 #include "canvas_impl.h"
  36 #include "editing.h"
  37 #include "rgb_macros.h"
  38 #include "utils.h"
  39 #include "time_axis_view.h"
  40 #include "audio_time_axis.h"
  41
  42 #ifdef WITH_CMT
  43 #include "imageframe.h"
  44 #include "imageframe_p.h"
  45 #endif
  46
  47 #include "i18n.h"
  48
  49 using namespace std;
  50 using namespace sigc;
  51 using namespace ARDOUR;
  52 using namespace PBD;
  53 using namespace Gtk;
  54 using namespace Glib;
  55 using namespace Gtkmm2ext;
  56 using namespace Editing;
  57
  58 /* XXX this is a hack. it ought to be the maximum value of an nframes_t */
  59
  60 const double max_canvas_coordinate = (double) JACK_MAX_FRAMES;
  61
  62 extern "C"
  63 {
  64
  65 GType gnome_canvas_simpleline_get_type(void);
  66 GType gnome_canvas_simplerect_get_type(void);
  67 GType gnome_canvas_waveview_get_type(void);
  68
  69 #ifdef WITH_CMT
  70 GType gnome_canvas_imageframe_get_type(void);
  71 #endif
  72
  73 }
  74
  75 static void ardour_canvas_type_init()
  76 {
  77         // Map gtypes to gtkmm wrapper-creation functions:
  78
  79         Glib::wrap_register(gnome_canvas_simpleline_get_type(), &Gnome::Canvas::SimpleLine_Class::wrap_new);
  80         Glib::wrap_register(gnome_canvas_simplerect_get_type(), &Gnome::Canvas::SimpleRect_Class::wrap_new);
  81         Glib::wrap_register(gnome_canvas_waveview_get_type(), &Gnome::Canvas::WaveView_Class::wrap_new);
  82
  83 #ifdef WITH_CMT
  84         Glib::wrap_register(gnome_canvas_imageframe_get_type(), &Gnome::Canvas::ImageFrame_Class::wrap_new);
  85 #endif
  86
  87         // Register the gtkmm gtypes:
  88
  89         (void) Gnome::Canvas::WaveView::get_type();
  90         (void) Gnome::Canvas::SimpleLine::get_type();
  91         (void) Gnome::Canvas::SimpleRect::get_type();
  92
  93 #ifdef WITH_CMT
  94         (void) Gnome::Canvas::ImageFrame::get_type();
  95 #endif
  96 }
  97
  98 void
  99 Editor::initialize_canvas ()
 100 {
 101         if (getenv ("ARDOUR_NON_AA_CANVAS")) {
 102                 track_canvas = new ArdourCanvas::Canvas ();
 103                 time_canvas = new ArdourCanvas::Canvas ();
 104         } else {
 105                 track_canvas = new ArdourCanvas::CanvasAA ();
 106                 time_canvas = new ArdourCanvas::CanvasAA ();
 107         }
 108
 109         ArdourCanvas::init ();
 110         ardour_canvas_type_init ();
 111
 112         /* don't try to center the canvas */
 113
 114         track_canvas->set_center_scroll_region (false);
 115         track_canvas->set_dither        (Gdk::RGB_DITHER_NONE);
 116
 117         /* need to handle 4 specific types of events as catch-alls */
 118
 119         track_canvas->signal_scroll_event().connect (mem_fun (*this, &Editor::track_canvas_scroll_event));
 120         track_canvas->signal_motion_notify_event().connect (mem_fun (*this, &Editor::track_canvas_motion_notify_event));
 121         track_canvas->signal_button_press_event().connect (mem_fun (*this, &Editor::track_canvas_button_press_event));
 122         track_canvas->signal_button_release_event().connect (mem_fun (*this, &Editor::track_canvas_button_release_event));
 123
 124         /* just scroll stuff for the timecanvas */
 125         time_canvas->signal_scroll_event().connect (mem_fun (*this, &Editor::time_canvas_scroll_event));
 126
 127         track_canvas->set_name ("EditorMainCanvas");
 128         track_canvas->add_events (Gdk::POINTER_MOTION_HINT_MASK|Gdk::SCROLL_MASK);
 129         track_canvas->signal_leave_notify_event().connect (mem_fun(*this, &Editor::left_track_canvas));
 130         track_canvas->set_flags (CAN_FOCUS);
 131
 132         /* set up drag-n-drop */
 133
 134         vector<TargetEntry> target_table;
 135
 136         // Drag-N-Drop from the region list can generate this target
 137         target_table.push_back (TargetEntry ("regions"));
 138         target_table.push_back (TargetEntry ("routes"));
 139
 140         target_table.push_back (TargetEntry ("text/plain"));
 141         target_table.push_back (TargetEntry ("text/uri-list"));
 142         target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 143
 144         track_canvas->drag_dest_set (target_table);
 145         track_canvas->signal_drag_data_received().connect (mem_fun(*this, &Editor::track_canvas_drag_data_received));
 146
 147         /* stuff for the verbose canvas cursor */
 148
 149         Pango::FontDescription* font = get_font_for_style (N_("VerboseCanvasCursor"));
 150
 151         verbose_canvas_cursor = new ArdourCanvas::Text (*track_canvas->root());
 152         verbose_canvas_cursor->property_font_desc() = *font;
 153         verbose_canvas_cursor->property_anchor() = ANCHOR_NW;
 154
 155         delete font;
 156
 157         verbose_cursor_visible = false;
 158
 159         if (Profile->get_sae()) {
 160                 Image img (::get_icon (X_("saelogo")));
 161                 logo_item = new ArdourCanvas::Pixbuf (*track_canvas->root(), 0.0, 0.0, img.get_pixbuf());
 162                 // logo_item->property_height_in_pixels() = true;
 163                 // logo_item->property_width_in_pixels() = true;
 164                 // logo_item->property_height_set() = true;
 165                 // logo_item->property_width_set() = true;
 166                 logo_item->show ();
 167         }
 168
 169         /* a group to hold time (measure) lines */
 170
 171         time_line_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
 172         tempo_lines = new TempoLines(*track_canvas, time_line_group);
 173         cursor_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
 174
 175         time_canvas->set_name ("EditorTimeCanvas");
 176         time_canvas->add_events (Gdk::POINTER_MOTION_HINT_MASK);
 177         time_canvas->set_flags (CAN_FOCUS);
 178         time_canvas->set_center_scroll_region (false);
 179         time_canvas->set_dither (Gdk::RGB_DITHER_NONE);
 180
 181         marker_time_line_group = new ArdourCanvas::Group (*time_canvas->root(), 0.0, 0.0);
 182         marker_tempo_lines = new TempoLines(*time_canvas, marker_time_line_group);
 183
 184         meter_group = new ArdourCanvas::Group (*time_canvas->root(), 0.0, 0.0);
 185         tempo_group = new ArdourCanvas::Group (*time_canvas->root(), 0.0, timebar_height);
 186         range_marker_group = new ArdourCanvas::Group (*time_canvas->root(), 0.0, timebar_height * 2.0);
 187         transport_marker_group = new ArdourCanvas::Group (*time_canvas->root(), 0.0, timebar_height * 3.0);
 188         marker_group = new ArdourCanvas::Group (*time_canvas->root(), 0.0, timebar_height * 4.0);
 189         cd_marker_group = new ArdourCanvas::Group (*time_canvas->root(), 0.0, timebar_height * 5.0);
 190
 191         tempo_bar = new ArdourCanvas::SimpleRect (*tempo_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
 192
 193         tempo_bar->property_outline_what() = (0x1 | 0x8);
 194         tempo_bar->property_outline_pixels() = 1;
 195
 196         meter_bar = new ArdourCanvas::SimpleRect (*meter_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
 197
 198         meter_bar->property_outline_what() = (0x1 | 0x8);
 199         meter_bar->property_outline_pixels() = 1;
 200
 201         marker_bar = new ArdourCanvas::SimpleRect (*marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
 202
 203         marker_bar->property_outline_what() = (0x1 | 0x8);
 204         marker_bar->property_outline_pixels() = 1;
 205
 206         cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
 207         cd_marker_bar->property_outline_what() = (0x1 | 0x8);
 208         cd_marker_bar->property_outline_pixels() = 1;
 209
 210         range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
 211         range_marker_bar->property_outline_what() = (0x1 | 0x8);
 212         range_marker_bar->property_outline_pixels() = 1;
 213
 214         transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
 215
 216         transport_marker_bar->property_outline_what() = (0x1 | 0x8);
 217         transport_marker_bar->property_outline_pixels() = 1;
 218
 219         cd_marker_bar_drag_rect = new ArdourCanvas::SimpleRect (*cd_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
 220         // cd_marker_bar_drag_rect->property_outline_pixels() = 0;
 221         cd_marker_bar_drag_rect->hide ();
 222
 223         range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
 224         range_bar_drag_rect->property_outline_pixels() = 0;
 225         range_bar_drag_rect->hide ();
 226
 227         transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, max_canvas_coordinate, timebar_height-1.0);
 228         transport_bar_drag_rect->property_outline_pixels() = 0;
 229         transport_bar_drag_rect->hide ();
 230
 231         marker_drag_line_points.push_back(Gnome::Art::Point(0.0, 0.0));
 232         marker_drag_line_points.push_back(Gnome::Art::Point(0.0, 0.0));
 233
 234         marker_drag_line = new ArdourCanvas::Line (*track_canvas->root());
 235         marker_drag_line->property_width_pixels() = 1;
 236         marker_drag_line->property_points() = marker_drag_line_points;
 237         marker_drag_line->hide();
 238
 239         range_marker_drag_rect = new ArdourCanvas::SimpleRect (*track_canvas->root(), 0.0, 0.0, 0.0, 0.0);
 240         range_marker_drag_rect->hide ();
 241
 242         transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, 0.0);
 243         transport_loop_range_rect->property_outline_pixels() = 1;
 244         transport_loop_range_rect->hide();
 245
 246         transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, 0.0);
 247         transport_punch_range_rect->property_outline_pixels() = 0;
 248         transport_punch_range_rect->hide();
 249
 250         transport_loop_range_rect->lower_to_bottom (); // loop on the bottom
 251
 252         transport_punchin_line = new ArdourCanvas::SimpleLine (*time_line_group);
 253         transport_punchin_line->property_x1() = 0.0;
 254         transport_punchin_line->property_y1() = 0.0;
 255         transport_punchin_line->property_x2() = 0.0;
 256         transport_punchin_line->property_y2() = 0.0;
 257         transport_punchin_line->hide ();
 258
 259         transport_punchout_line  = new ArdourCanvas::SimpleLine (*time_line_group);
 260         transport_punchout_line->property_x1() = 0.0;
 261         transport_punchout_line->property_y1() = 0.0;
 262         transport_punchout_line->property_x2() = 0.0;
 263         transport_punchout_line->property_y2() = 0.0;
 264         transport_punchout_line->hide();
 265
 266         // used to show zoom mode active zooming
 267         zoom_rect = new ArdourCanvas::SimpleRect (*track_canvas->root(), 0.0, 0.0, 0.0, 0.0);
 268         zoom_rect->property_outline_pixels() = 1;
 269         zoom_rect->hide();
 270
 271         zoom_rect->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
 272
 273         // used as rubberband rect
 274         rubberband_rect = new ArdourCanvas::SimpleRect (*track_canvas->root(), 0.0, 0.0, 0.0, 0.0);
 275         rubberband_rect->property_outline_pixels() = 1;
 276         rubberband_rect->hide();
 277
 278         tempo_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
 279         meter_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
 280         marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
 281         cd_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_cd_marker_bar_event), cd_marker_bar));
 282         range_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
 283         transport_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
 284
 285         ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_loop_range_view), false));
 286         ZoomChanged.connect (bind (mem_fun(*this, &Editor::update_punch_range_view), false));
 287
 288         double time_height = timebar_height * 5;
 289         double time_width = FLT_MAX/frames_per_unit;
 290         time_canvas->set_scroll_region(0.0, 0.0, time_width, time_height);
 291
 292         playhead_cursor = new Cursor (*this, &Editor::canvas_playhead_cursor_event);
 293
 294         initial_ruler_update_required = true;
 295         track_canvas->signal_size_allocate().connect (mem_fun(*this, &Editor::track_canvas_allocate));
 296
 297         if (logo_item) {
 298                 logo_item->lower_to_bottom ();
 299         }
 300
 301         ColorsChanged.connect (mem_fun (*this, &Editor::color_handler));
 302         color_handler();
 303
 304 }
 305
 306 void
 307 Editor::track_canvas_allocate (Gtk::Allocation alloc)
 308 {
 309         canvas_allocation = alloc;
 310
 311         if (!initial_ruler_update_required) {
 312                 if (!canvas_idle_queued) {
 313                         /* call this first so that we do stuff before any pending redraw */
 314                         Glib::signal_idle().connect (mem_fun (*this, &Editor::track_canvas_size_allocated), false);
 315                         canvas_idle_queued = true;
 316                 }
 317                 return;
 318         }
 319
 320         initial_ruler_update_required = false;
 321         track_canvas_size_allocated ();
 322 }
 323
 324 bool
 325 Editor::track_canvas_size_allocated ()
 326 {
 327         if (canvas_idle_queued) {
 328                 canvas_idle_queued = false;
 329         }
 330
 331         canvas_width = canvas_allocation.get_width();
 332         canvas_height = canvas_allocation.get_height();
 333
 334         full_canvas_height = canvas_height;
 335
 336         if (session) {
 337                 TrackViewList::iterator i;
 338                 double height = 0;
 339
 340                 for (i = track_views.begin(); i != track_views.end(); ++i) {
 341                         if ((*i)->control_parent) {
 342                                 height += (*i)->effective_height;
 343                         }
 344                 }
 345
 346                 full_canvas_height = height;
 347         }
 348
 349         zoom_range_clock.set ((nframes_t) floor ((canvas_width * frames_per_unit)));
 350         playhead_cursor->set_position (playhead_cursor->current_frame);
 351
 352         reset_hscrollbar_stepping ();
 353         reset_scrolling_region ();
 354
 355         if (playhead_cursor) playhead_cursor->set_length (canvas_height);
 356
 357         double y1 = vertical_adjustment.get_value ();
 358
 359         for (MarkerSelection::iterator x = selection->markers.begin(); x != selection->markers.end(); ++x) {
 360                 (*x)->set_line_vpos (y1, canvas_height);
 361         }
 362
 363         range_marker_drag_rect->property_y1() = y1;
 364         range_marker_drag_rect->property_y2() = full_canvas_height;
 365         transport_loop_range_rect->property_y1() = y1;
 366         transport_loop_range_rect->property_y2() = full_canvas_height;
 367         transport_punch_range_rect->property_y1() = y1;
 368         transport_punch_range_rect->property_y2() = full_canvas_height;
 369         transport_punchin_line->property_y1() = y1;
 370         transport_punchin_line->property_y2() = full_canvas_height;
 371         transport_punchout_line->property_y1() = y1;
 372         transport_punchout_line->property_y2() = full_canvas_height;
 373
 374         update_fixed_rulers();
 375         redisplay_tempo (true);
 376
 377         Resized (); /* EMIT_SIGNAL */
 378
 379         return false;
 380 }
 381
 382 void
 383 Editor::reset_scrolling_region (Gtk::Allocation* alloc)
 384 {
 385         TreeModel::Children rows = route_display_model->children();
 386         TreeModel::Children::iterator i;
 387         double pos;
 388
 389         for (pos = 0, i = rows.begin(); i != rows.end(); ++i) {
 390                 TimeAxisView *tv = (*i)[route_display_columns.tv];
 391                 if (tv != 0 && !tv->hidden()) {
 392                         pos += tv->effective_height;
 393                 }
 394         }
 395
 396         double last_canvas_unit =  max ((last_canvas_frame / frames_per_unit), canvas_width);
 397
 398         track_canvas->set_scroll_region (0.0, 0.0, last_canvas_unit, pos);
 399
 400         // XXX what is the correct height value for the time canvas ? this overstates it
 401         time_canvas->set_scroll_region ( 0.0, 0.0, last_canvas_unit, canvas_height);
 402
 403         range_marker_drag_rect->property_y2() = canvas_height;
 404         transport_loop_range_rect->property_y2() = canvas_height;
 405         transport_punch_range_rect->property_y2() = canvas_height;
 406         transport_punchin_line->property_y2() = canvas_height;
 407         transport_punchout_line->property_y2() = canvas_height;
 408
 409         update_punch_range_view (true);
 410
 411         controls_layout.queue_resize();
 412 }
 413
 414 void
 415 Editor::controls_layout_size_request (Requisition* req)
 416 {
 417         TreeModel::Children rows = route_display_model->children();
 418         TreeModel::Children::iterator i;
 419         double pos;
 420
 421         for (pos = 0, i = rows.begin(); i != rows.end(); ++i) {
 422                 TimeAxisView *tv = (*i)[route_display_columns.tv];
 423                 if (tv != 0) {
 424                         pos += tv->effective_height;
 425                 }
 426         }
 427
 428         RefPtr<Gdk::Screen> screen = get_screen();
 429
 430         if (!screen) {
 431                 screen = Gdk::Screen::get_default();
 432         }
 433
 434         edit_controls_vbox.check_resize();
 435         req->width = max (edit_controls_vbox.get_width(),  controls_layout.get_width());
 436
 437         /* don't get too big. the fudge factors here are just guesses */
 438
 439         req->width = min (req->width, screen->get_width() - 300);
 440         req->height = min ((gint) pos, (screen->get_height() - 400));
 441
 442         /* this one is important: it determines how big the layout thinks it really is, as
 443            opposed to what it displays on the screen
 444         */
 445
 446         controls_layout.set_size (edit_controls_vbox.get_width(), (gint) pos);
 447         controls_layout.set_size_request(edit_controls_vbox.get_width(), -1);
 448         zoom_box.set_size_request(edit_controls_vbox.get_width(), -1);
 449         time_button_frame.set_size_request(edit_controls_vbox.get_width(), -1);
 450
 451         //cerr << "sizes = " << req->width << " " << edit_controls_vbox.get_width() << " " << controls_layout.get_width() << " " << zoom_box.get_width() << " " << time_button_frame.get_width() << endl;//DEBUG
 452 }
 453
 454 bool
 455 Editor::track_canvas_map_handler (GdkEventAny* ev)
 456 {
 457         track_canvas->get_window()->set_cursor (*current_canvas_cursor);
 458         return false;
 459 }
 460
 461 bool
 462 Editor::time_canvas_map_handler (GdkEventAny* ev)
 463 {
 464         time_canvas->get_window()->set_cursor (*timebar_cursor);
 465         return false;
 466 }
 467
 468 void
 469 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
 470                                          int x, int y,
 471                                          const SelectionData& data,
 472                                          guint info, guint time)
 473 {
 474         cerr << "drop on canvas, target = " << data.get_target() << endl;
 475
 476         if (data.get_target() == "regions") {
 477                 drop_regions (context, x, y, data, info, time);
 478         }
 479         else if(data.get_target() == "routes") {
 480                 drop_routes (context, x, y, data, info, time);
 481         }
 482         else {
 483                 drop_paths (context, x, y, data, info, time);
 484         }
 485 }
 486
 487 void
 488 Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
 489                     int x, int y,
 490                     const SelectionData& data,
 491                     guint info, guint time)
 492 {
 493         TimeAxisView* tvp;
 494         RouteTimeAxisView* tv;
 495         double cy;
 496         vector<ustring> paths;
 497         string spath;
 498         GdkEvent ev;
 499         nframes64_t frame;
 500
 501         if (convert_drop_to_paths (paths, context, x, y, data, info, time)) {
 502                 goto out;
 503         }
 504
 505         /* D-n-D coordinates are window-relative, so convert to "world" coordinates
 506          */
 507
 508         double wx;
 509         double wy;
 510
 511         track_canvas->window_to_world (x, y, wx, wy);
 512         wx += horizontal_adjustment.get_value();
 513         wy += vertical_adjustment.get_value();
 514
 515         ev.type = GDK_BUTTON_RELEASE;
 516         ev.button.x = wx;
 517         ev.button.y = wy;
 518
 519         frame = event_frame (&ev, 0, &cy);
 520
 521         snap_to (frame);
 522
 523         if ((tvp = trackview_by_y_position (cy)) == 0) {
 524
 525                 /* drop onto canvas background: create new tracks */
 526
 527                 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
 528                         do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsTrack, SrcBest, frame);
 529                 } else {
 530                         do_embed (paths, Editing::ImportDistinctFiles, ImportAsTrack, frame);
 531                 }
 532
 533         } else if ((tv = dynamic_cast<RouteTimeAxisView*>(tvp)) != 0) {
 534
 535                 /* check that its an audio track, not a bus */
 536
 537                 /* check that its an audio track, not a bus */
 538
 539                 if (tv->get_diskstream()) {
 540                         /* select the track, then embed */
 541                         selection->set (tv);
 542
 543                         if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
 544                                 do_import (paths, Editing::ImportDistinctFiles, Editing::ImportToTrack, SrcBest, frame);
 545                         } else {
 546                                 do_embed (paths, Editing::ImportDistinctFiles, ImportToTrack, frame);
 547                         }
 548                 }
 549         }
 550
 551   out:
 552         context->drag_finish (true, false, time);
 553 }
 554
 555 void
 556 Editor::drop_regions (const RefPtr<Gdk::DragContext>& context,
 557                       int x, int y,
 558                       const SelectionData& data,
 559                       guint info, guint time)
 560 {
 561         const SerializedObjectPointers<boost::shared_ptr<Region> >* sr =
 562                 reinterpret_cast<const SerializedObjectPointers<boost::shared_ptr<Region> > *> (data.get_data());
 563
 564         for (uint32_t i = 0; i < sr->cnt; ++i) {
 565
 566                 boost::shared_ptr<Region> r = sr->data[i];
 567
 568                 insert_region_list_drag (r, x, y);
 569         }
 570
 571         context->drag_finish (true, false, time);
 572 }
 573
 574 void
 575 Editor::drop_routes (const Glib::RefPtr<Gdk::DragContext>& context,
 576                      int x, int y,
 577                      const Gtk::SelectionData& data,
 578                      guint info, guint time) {
 579         const SerializedObjectPointers<boost::shared_ptr<Route> >* sr =
 580                 reinterpret_cast<const SerializedObjectPointers<boost::shared_ptr<Route> > *> (data.get_data());
 581
 582         for (uint32_t i = 0; i < sr->cnt; ++i) {
 583                 boost::shared_ptr<Route> r = sr->data[i];
 584                 insert_route_list_drag (r, x, y);
 585         }
 586
 587         context->drag_finish (true, false, time);
 588 }
 589
 590 void
 591 Editor::maybe_autoscroll (GdkEvent* event)
 592 {
 593         nframes_t rightmost_frame = leftmost_frame + current_page_frames();
 594         nframes_t frame = drag_info.current_pointer_frame;
 595         bool startit = false;
 596
 597         static int last_autoscroll_direction = 0;
 598
 599         if (frame > rightmost_frame) {
 600
 601                 if (rightmost_frame < max_frames) {
 602                         autoscroll_direction = 1;
 603                         startit = true;
 604                 }
 605
 606         } else if (frame < leftmost_frame) {
 607
 608                 if (leftmost_frame > 0) {
 609                         autoscroll_direction = -1;
 610                         startit = true;
 611                 }
 612
 613         } else {
 614
 615                 if (drag_info.last_pointer_frame > drag_info.current_pointer_frame) {
 616                         autoscroll_direction = -1;
 617                 } else {
 618                         autoscroll_direction = 1;
 619                 }
 620         }
 621
 622
 623         if ((autoscroll_direction != last_autoscroll_direction) || (leftmost_frame < frame < rightmost_frame)) {
 624                 stop_canvas_autoscroll ();
 625         }
 626
 627         if (startit && autoscroll_timeout_tag < 0) {
 628                 start_canvas_autoscroll (autoscroll_direction);
 629         }
 630
 631         last_autoscroll_direction = autoscroll_direction;
 632 }
 633
 634 gint
 635 Editor::_autoscroll_canvas (void *arg)
 636 {
 637         return ((Editor *) arg)->autoscroll_canvas ();
 638 }
 639
 640 bool
 641 Editor::autoscroll_canvas ()
 642 {
 643         nframes_t new_frame;
 644         nframes_t limit = max_frames - current_page_frames();
 645         GdkEventMotion ev;
 646         nframes_t target_frame;
 647
 648         if (autoscroll_direction < 0) {
 649                 if (leftmost_frame < autoscroll_distance) {
 650                         new_frame = 0;
 651                 } else {
 652                         new_frame = leftmost_frame - autoscroll_distance;
 653                 }
 654                 target_frame = drag_info.current_pointer_frame - autoscroll_distance;
 655         } else {
 656                 if (leftmost_frame > limit - autoscroll_distance) {
 657                         new_frame = limit;
 658                 } else {
 659                         new_frame = leftmost_frame + autoscroll_distance;
 660                 }
 661                 target_frame = drag_info.current_pointer_frame + autoscroll_distance;
 662         }
 663
 664         /* now fake a motion event to get the object that is being dragged to move too */
 665
 666         ev.type = GDK_MOTION_NOTIFY;
 667         ev.state &= Gdk::BUTTON1_MASK;
 668         ev.x = frame_to_unit (target_frame);
 669         ev.y = drag_info.current_pointer_y;
 670         motion_handler (drag_info.item, (GdkEvent*) &ev, drag_info.item_type, true);
 671
 672         if (new_frame == 0 || new_frame == limit) {
 673                 /* we are done */
 674                 return false;
 675         }
 676
 677         autoscroll_cnt++;
 678
 679         if (autoscroll_cnt == 1) {
 680
 681                 /* connect the timeout so that we get called repeatedly */
 682
 683                 autoscroll_timeout_tag = g_idle_add ( _autoscroll_canvas, this);
 684                 return false;
 685
 686         }
 687
 688         if (new_frame != leftmost_frame) {
 689                 reset_x_origin (new_frame);
 690         }
 691
 692         if (autoscroll_cnt == 50) { /* 0.5 seconds */
 693
 694                 /* after about a while, speed up a bit by changing the timeout interval */
 695
 696                 autoscroll_distance = (nframes_t) floor (current_page_frames()/30.0f);
 697
 698         } else if (autoscroll_cnt == 150) { /* 1.0 seconds */
 699
 700                 autoscroll_distance = (nframes_t) floor (current_page_frames()/20.0f);
 701
 702         } else if (autoscroll_cnt == 300) { /* 1.5 seconds */
 703
 704                 /* after about another while, speed up by increasing the shift per callback */
 705
 706                 autoscroll_distance =  (nframes_t) floor (current_page_frames()/10.0f);
 707
 708         }
 709
 710         return true;
 711 }
 712
 713 void
 714 Editor::start_canvas_autoscroll (int dir)
 715 {
 716         if (!session || autoscroll_active) {
 717                 return;
 718         }
 719
 720         stop_canvas_autoscroll ();
 721
 722         autoscroll_active = true;
 723         autoscroll_direction = dir;
 724         autoscroll_distance = (nframes_t) floor (current_page_frames()/50.0);
 725         autoscroll_cnt = 0;
 726
 727         /* do it right now, which will start the repeated callbacks */
 728
 729         autoscroll_canvas ();
 730 }
 731
 732 void
 733 Editor::stop_canvas_autoscroll ()
 734 {
 735         if (autoscroll_timeout_tag >= 0) {
 736                 g_source_remove (autoscroll_timeout_tag);
 737                 autoscroll_timeout_tag = -1;
 738         }
 739
 740         autoscroll_active = false;
 741 }
 742
 743 gint
 744 Editor::left_track_canvas (GdkEventCrossing *ev)
 745 {
 746         set_entered_track (0);
 747         set_entered_regionview (0);
 748         return FALSE;
 749 }
 750
 751 void
 752 Editor::tie_vertical_scrolling ()
 753 {
 754         double y1 = vertical_adjustment.get_value();
 755
 756         playhead_cursor->set_y_axis (y1);
 757
 758         range_marker_drag_rect->property_y1() = y1;
 759         range_marker_drag_rect->property_y2() = full_canvas_height;
 760         transport_loop_range_rect->property_y1() = y1;
 761         transport_loop_range_rect->property_y2() = full_canvas_height;
 762         transport_punch_range_rect->property_y1() = y1;
 763         transport_punch_range_rect->property_y2() = full_canvas_height;
 764         transport_punchin_line->property_y1() = y1;
 765         transport_punchin_line->property_y2() = full_canvas_height;
 766         transport_punchout_line->property_y1() = y1;
 767         transport_punchout_line->property_y2() = full_canvas_height;
 768
 769         if (!selection->markers.empty()) {
 770                 for (MarkerSelection::iterator x = selection->markers.begin(); x != selection->markers.end(); ++x) {
 771                         (*x)->set_line_vpos (y1, canvas_height);
 772                 }
 773         }
 774
 775         if (logo_item) {
 776                 logo_item->property_y() = y1;
 777         }
 778
 779         /* this will do an immediate redraw */
 780
 781         controls_layout.get_vadjustment()->set_value (y1);
 782 }
 783
 784 void
 785 Editor::canvas_horizontally_scrolled ()
 786 {
 787         nframes64_t time_origin = (nframes_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
 788
 789         if (time_origin != leftmost_frame) {
 790                 canvas_scroll_to (time_origin);
 791         }
 792 }
 793
 794 void
 795 Editor::canvas_scroll_to (nframes64_t time_origin)
 796 {
 797         leftmost_frame = time_origin;
 798         nframes_t rightmost_frame = leftmost_frame + current_page_frames ();
 799
 800         if (rightmost_frame > last_canvas_frame) {
 801                 last_canvas_frame = rightmost_frame;
 802                 reset_scrolling_region ();
 803         }
 804
 805         if (logo_item) {
 806                 logo_item->property_x() = horizontal_adjustment.get_value ();
 807         }
 808
 809         update_fixed_rulers ();
 810
 811         redisplay_tempo (!_dragging_hscrollbar);
 812 }
 813
 814 void
 815 Editor::color_handler()
 816 {
 817         playhead_cursor->canvas_item.property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_PlayHead.get();
 818         verbose_canvas_cursor->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_VerboseCanvasCursor.get();
 819
 820         meter_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MeterBar.get();
 821         meter_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
 822
 823         tempo_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TempoBar.get();
 824         tempo_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
 825
 826         marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBar.get();
 827         marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
 828
 829         cd_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_CDMarkerBar.get();
 830         cd_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
 831
 832         range_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeMarkerBar.get();
 833         range_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
 834
 835         transport_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportMarkerBar.get();
 836         transport_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
 837
 838         cd_marker_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
 839         cd_marker_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
 840
 841         range_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
 842         range_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
 843
 844         transport_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
 845         transport_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
 846
 847         marker_drag_line->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerDragLine.get();
 848
 849         range_marker_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragRect.get();
 850         range_marker_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragRect.get();
 851
 852         transport_loop_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
 853         transport_loop_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
 854
 855         transport_punch_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
 856         transport_punch_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
 857
 858         transport_punchin_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
 859         transport_punchout_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
 860
 861         zoom_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
 862         zoom_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
 863
 864         rubberband_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
 865         rubberband_rect->property_fill_color_rgba() = (guint32) ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
 866
 867         location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
 868         location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
 869         location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
 870         location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
 871         location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
 872
 873         refresh_location_display ();
 874         redisplay_tempo (true);
 875
 876         if (session)
 877                 session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
 878 }
 879
 880
 881 void
 882 Editor::flush_canvas ()
 883 {
 884         if (is_mapped()) {
 885                 track_canvas->update_now ();
 886                 // gdk_window_process_updates (GTK_LAYOUT(track_canvas->gobj())->bin_window, true);
 887         }
 888 }