cinelerra-5.1/cinelerra/trackcanvas.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 1997-2014 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "apatchgui.inc"
  23 #include "asset.h"
  24 #include "autoconf.h"
  25 #include "automation.h"
  26 #include "bcsignals.h"
  27 #include "bctimer.h"
  28 #include "clip.h"
  29 #include "colors.h"
  30 #include "cplayback.h"
  31 #include "cursors.h"
  32 #include "cwindowgui.h"
  33 #include "cwindow.h"
  34 #include "edithandles.h"
  35 #include "editpopup.h"
  36 #include "edits.h"
  37 #include "edl.h"
  38 #include "edlsession.h"
  39 #include "floatauto.h"
  40 #include "floatautos.h"
  41 #include "gwindowgui.h"
  42 #include "indexstate.h"
  43 #include "intauto.h"
  44 #include "intautos.h"
  45 #include "keyframe.h"
  46 #include "keyframepopup.h"
  47 #include "keyframes.h"
  48 #include "keys.h"
  49 #include "localsession.h"
  50 #include "mainclock.h"
  51 #include "maincursor.h"
  52 #include "mainsession.h"
  53 #include "mainundo.h"
  54 #include "maskautos.h"
  55 #include "mbuttons.h"
  56 #include "mtimebar.h"
  57 #include "mwindowgui.h"
  58 #include "mwindow.h"
  59 #include "panautos.h"
  60 #include "patchbay.h"
  61 #include "playbackengine.h"
  62 #include "playtransport.h"
  63 #include "plugin.h"
  64 #include "pluginpopup.h"
  65 #include "pluginserver.h"
  66 #include "pluginset.h"
  67 #include "plugintoggles.h"
  68 #include "preferences.h"
  69 #include "resourcepixmap.h"
  70 #include "resourcethread.h"
  71 #include "swindow.h"
  72 #include "theme.h"
  73 #include "trackcanvas.h"
  74 #include "tracking.h"
  75 #include "tracks.h"
  76 #include "transition.h"
  77 #include "transitionhandles.h"
  78 #include "transitionpopup.h"
  79 #include "transportque.h"
  80 #include "vframe.h"
  81 #include "vpatchgui.inc"
  82 #include "zoombar.h"
  83
  84 #include <string.h>
  85
  86 //#define PIXMAP_AGE -5
  87 #define PIXMAP_AGE -32
  88
  89 TrackCanvas::TrackCanvas(MWindow *mwindow,
  90         TimelinePane *pane,
  91         int x,
  92         int y,
  93         int w,
  94         int h)
  95  : BC_SubWindow(x,
  96         y,
  97         w,
  98         h)
  99 {
 100         this->mwindow = mwindow;
 101         this->gui = mwindow->gui;
 102         this->pane = pane;
 103
 104         selection_midpoint = 0;
 105         drag_scroll = 0;
 106         active = 0;
 107         temp_picon = 0;
 108         resource_timer = new Timer;
 109         render_timer = new Timer;
 110         hourglass_enabled = 0;
 111         timebar_position = -1;
 112 }
 113
 114 TrackCanvas::~TrackCanvas()
 115 {
 116 //      delete transition_handles;
 117         delete edit_handles;
 118         delete keyframe_pixmap;
 119         delete camerakeyframe_pixmap;
 120         delete modekeyframe_pixmap;
 121         delete pankeyframe_pixmap;
 122         delete projectorkeyframe_pixmap;
 123         delete maskkeyframe_pixmap;
 124         delete background_pixmap;
 125         if(temp_picon) delete temp_picon;
 126         delete render_timer;
 127         delete resource_timer;
 128 }
 129
 130 void TrackCanvas::create_objects()
 131 {
 132         background_pixmap = new BC_Pixmap(this, get_w(), get_h());
 133 //      transition_handles = new TransitionHandles(mwindow, this);
 134         edit_handles = new EditHandles(mwindow, this);
 135         keyframe_pixmap = new BC_Pixmap(this, mwindow->theme->keyframe_data, PIXMAP_ALPHA);
 136         camerakeyframe_pixmap = new BC_Pixmap(this, mwindow->theme->camerakeyframe_data, PIXMAP_ALPHA);
 137         modekeyframe_pixmap = new BC_Pixmap(this, mwindow->theme->modekeyframe_data, PIXMAP_ALPHA);
 138         pankeyframe_pixmap = new BC_Pixmap(this, mwindow->theme->pankeyframe_data, PIXMAP_ALPHA);
 139         projectorkeyframe_pixmap = new BC_Pixmap(this, mwindow->theme->projectorkeyframe_data, PIXMAP_ALPHA);
 140         maskkeyframe_pixmap = new BC_Pixmap(this, mwindow->theme->maskkeyframe_data, PIXMAP_ALPHA);
 141         draw();
 142         update_cursor(0);
 143         flash(0);
 144 }
 145
 146 void TrackCanvas::resize_event()
 147 {
 148 //printf("TrackCanvas::resize_event 1\n");
 149         draw(0, 0);
 150         flash(0);
 151 //printf("TrackCanvas::resize_event 2\n");
 152 }
 153
 154 int TrackCanvas::keypress_event()
 155 {
 156         return 0;
 157 }
 158
 159 int TrackCanvas::cursor_leave_event()
 160 {
 161 // Because drag motion calls get_cursor_over_window we can be sure that
 162 // all highlights get deleted now.
 163 // This ended up blocking keyboard input from the drag operations.
 164         if( timebar_position >= 0 )
 165         {
 166                 timebar_position = -1;
 167                 if( pane->timebar )
 168                         pane->timebar->update(1);
 169         }
 170
 171         return 0;
 172 //      return drag_motion();
 173 }
 174
 175 int TrackCanvas::drag_motion_event()
 176 {
 177         return gui->drag_motion();
 178 }
 179
 180 int TrackCanvas::drag_motion(Track **over_track,
 181         Edit **over_edit,
 182         PluginSet **over_pluginset,
 183         Plugin **over_plugin)
 184 {
 185         int cursor_x = get_relative_cursor_x();
 186         int cursor_y = get_relative_cursor_y();
 187
 188         if( get_cursor_over_window() &&
 189                 cursor_x >= 0 && cursor_y >= 0 &&
 190                 cursor_x < get_w() && cursor_y < get_h() )
 191         {
 192 //printf("TrackCanvas::drag_motion %d %d\n", __LINE__, pane->number);
 193 // Find the edit and track the cursor is over
 194                 for(Track *track = mwindow->edl->tracks->first; track; track = track->next)
 195                 {
 196                         int64_t track_x, track_y, track_w, track_h;
 197                         track_dimensions(track, track_x, track_y, track_w, track_h);
 198
 199                         if(cursor_y >= track_y &&
 200                                 cursor_y < track_y + track_h)
 201                         {
 202                                 *over_track = track;
 203                                 for(Edit *edit = track->edits->first; edit; edit = edit->next)
 204                                 {
 205                                         int64_t edit_x, edit_y, edit_w, edit_h;
 206                                         edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
 207                                         if( cursor_y < edit_y || cursor_y >= edit_y + edit_h ) continue;
 208                                         if( cursor_x >= edit_x && cursor_x < edit_x + edit_w ) {
 209                                                 *over_edit = edit;
 210                                                 break;
 211                                         }
 212                                         if( edit != track->edits->last ) continue;
 213                                         if( mwindow->session->current_operation != DRAG_ATRANSITION &&
 214                                             mwindow->session->current_operation != DRAG_VTRANSITION ) continue;
 215                                         if( !edit->silence() ) {
 216                                                 // add silence to allow drag transition past last edit
 217                                                 //  will be deleted by Edits::optimize if not used
 218                                                 double length = mwindow->edl->session->default_transition_length;
 219                                                 int64_t start = edit->startproject+edit->length;
 220                                                 int64_t units = track->to_units(length, 1);
 221                                                 track->edits->create_silence(start, start+units);
 222                                                 continue;
 223                                         }
 224                                         if( cursor_x >= edit_x ) { *over_edit = edit; break; }
 225                                 }
 226
 227                                 for(int i = 0; i < track->plugin_set.total; i++)
 228                                 {
 229                                         PluginSet *pluginset = track->plugin_set.values[i];
 230                                         for(Plugin *plugin = (Plugin*)pluginset->first;
 231                                                 plugin;
 232                                                 plugin = (Plugin*)plugin->next)
 233                                         {
 234                                                 int64_t plugin_x, plugin_y, plugin_w, plugin_h;
 235                                                 plugin_dimensions(plugin, plugin_x, plugin_y, plugin_w, plugin_h);
 236
 237                                                 if(cursor_y >= plugin_y &&
 238                                                         cursor_y < plugin_y + plugin_h)
 239                                                 {
 240                                                         *over_pluginset = plugin->plugin_set;
 241
 242                                                         if(cursor_x >= plugin_x &&
 243                                                                 cursor_x < plugin_x + plugin_w)
 244                                                         {
 245                                                                 *over_plugin = plugin;
 246                                                                 break;
 247                                                         }
 248                                                 }
 249                                         }
 250                                 }
 251                                 break;
 252                         }
 253                 }
 254         }
 255
 256         if( !*over_track )
 257                 *over_track = pane->over_patchbay();
 258
 259         return 0;
 260 }
 261
 262
 263 int TrackCanvas::drag_stop_event()
 264 {
 265         int result = gui->drag_stop();
 266         if( !result && mwindow->session->current_operation ) {
 267                 mwindow->session->current_operation = NO_OPERATION;
 268                 drag_scroll = 0;
 269         }
 270         return result;
 271 }
 272
 273 int TrackCanvas::drag_stop(int *redraw)
 274 {
 275         int result = 0;
 276         int insertion  = 0;
 277         int over_window = 0;
 278         int cursor_x = -1, cursor_y = -1;
 279
 280         if( get_cursor_over_window() ) {
 281                 if( (cursor_x = get_relative_cursor_x()) >= 0 && cursor_x < get_w() &&
 282                     (cursor_y = get_relative_cursor_y()) >= 0 && cursor_y < get_h() )
 283                         over_window = 1;
 284                 else {
 285                         Track *track = pane->over_patchbay();
 286                         if( track && mwindow->session->track_highlighted == track )
 287                                 over_window = 1;
 288                 }
 289         }
 290
 291         if( over_window ) {
 292                 switch(mwindow->session->current_operation) {
 293                 case DRAG_VTRANSITION:
 294                 case DRAG_ATRANSITION:
 295                         if(mwindow->session->edit_highlighted) {
 296                                 if( (mwindow->session->current_operation == DRAG_ATRANSITION &&
 297                                      mwindow->session->track_highlighted->data_type == TRACK_AUDIO) ||
 298                                     (mwindow->session->current_operation == DRAG_VTRANSITION &&
 299                                      mwindow->session->track_highlighted->data_type == TRACK_VIDEO) ) {
 300                                         mwindow->session->current_operation = NO_OPERATION;
 301                                         mwindow->paste_transition();
 302                                         result = 1;
 303                                 }
 304                         }
 305                         *redraw = 1;
 306                         break;
 307
 308 // Behavior for dragged plugins is limited by the fact that a shared plugin
 309 // can only refer to a standalone plugin that exists in the same position in
 310 // time.  Dragging a plugin from one point in time to another can't produce
 311 // a shared plugin to the original plugin.  In this case we relocate the
 312 // plugin instead of sharing it.
 313                 case DRAG_AEFFECT_COPY:
 314                 case DRAG_VEFFECT_COPY:
 315                         if( mwindow->session->track_highlighted &&
 316                             ((mwindow->session->current_operation == DRAG_AEFFECT_COPY &&
 317                               mwindow->session->track_highlighted->data_type == TRACK_AUDIO) ||
 318                              (mwindow->session->current_operation == DRAG_VEFFECT_COPY &&
 319                               mwindow->session->track_highlighted->data_type == TRACK_VIDEO)) ) {
 320                                 mwindow->session->current_operation = NO_OPERATION;
 321
 322                                 int64_t drop_position = -1;
 323                                 Plugin *drag_plugin = mwindow->session->drag_plugin;
 324                                 PluginSet *hi_plugin_set = mwindow->session->pluginset_highlighted;
 325                                 Track *hi_track = mwindow->session->track_highlighted;
 326
 327 // Insert shared plugin in source
 328 // Move source to different location
 329                                 if( hi_plugin_set && hi_plugin_set->track == drag_plugin->track ) {
 330 //printf("TrackCanvas::drag_stop 6\n");
 331                                         drop_position = drop_plugin_position(hi_plugin_set, drag_plugin);
 332                                         if( drop_position >= 0 )
 333                                                 mwindow->move_effect(drag_plugin, hi_plugin_set, drop_position);
 334                                         result = 1;
 335                                 }
 336                                 else if( hi_track ) {
 337 // Put it in a new plugin set determined by an edit boundary, or at the start of the track
 338                                         Edit *hi_edit = mwindow->session->edit_highlighted;
 339                                         drop_position = hi_edit ? hi_edit->startproject : 0;
 340                                         if( drop_position >= 0 )
 341                                                 mwindow->move_effect(drag_plugin, hi_track, drop_position);
 342                                         result = 1;
 343                                 }
 344                         }
 345                         break;
 346
 347                 case DRAG_AEFFECT:
 348                 case DRAG_VEFFECT:
 349                         if( mwindow->session->track_highlighted &&
 350                             ((mwindow->session->current_operation == DRAG_AEFFECT &&
 351                               mwindow->session->track_highlighted->data_type == TRACK_AUDIO) ||
 352                              (mwindow->session->current_operation == DRAG_VEFFECT &&
 353                               mwindow->session->track_highlighted->data_type == TRACK_VIDEO)) ) {
 354 // Drop all the effects
 355                                 PluginSet *plugin_set = mwindow->session->pluginset_highlighted;
 356                                 Track *track = mwindow->session->track_highlighted;
 357                                 double start = 0;
 358                                 double length = track->get_length();
 359
 360                                 if(mwindow->session->plugin_highlighted) {
 361                                         start = track->from_units(mwindow->session->plugin_highlighted->startproject);
 362                                         length = track->from_units(mwindow->session->plugin_highlighted->length);
 363                                         if(length <= 0) length = track->get_length();
 364                                 }
 365                                 else if(mwindow->session->pluginset_highlighted) {
 366                                                 start = track->from_units(plugin_set->length());
 367                                         length = track->get_length() - start;
 368                                         if(length <= 0) length = track->get_length();
 369                                 }
 370                                 else if(mwindow->edl->local_session->get_selectionend() >
 371                                         mwindow->edl->local_session->get_selectionstart()) {
 372                                         start = mwindow->edl->local_session->get_selectionstart();
 373                                         length = mwindow->edl->local_session->get_selectionend() -
 374                                                 mwindow->edl->local_session->get_selectionstart();
 375                                 }
 376 // Move to a point between two edits
 377                                 else if(mwindow->session->edit_highlighted) {
 378                                         start = mwindow->session->track_highlighted->from_units(
 379                                                 mwindow->session->edit_highlighted->startproject);
 380                                         length = mwindow->session->track_highlighted->from_units(
 381                                                 mwindow->session->edit_highlighted->length);
 382                                 }
 383
 384                                 mwindow->insert_effects_canvas(start, length);
 385                                 *redraw = 1;
 386                         }
 387                         if( mwindow->session->track_highlighted )
 388                                 result = 1;  // we have to cleanup
 389                         break;
 390
 391                 case DRAG_ASSET:
 392                         if(mwindow->session->track_highlighted) {
 393                                 double asset_duration = 0;
 394                                 int64_t asset_length_units = 0;
 395                                 int64_t position = 0;
 396
 397                                 if(mwindow->session->current_operation == DRAG_ASSET &&
 398                                         mwindow->session->drag_assets->total) {
 399                                         Indexable *indexable = mwindow->session->drag_assets->values[0];
 400                                         // we use video if we are over video and audio if we are over audio
 401                                         if( indexable->have_video() &&
 402                                             mwindow->session->track_highlighted->data_type == TRACK_VIDEO ) {
 403                                                 // Images have length -1
 404                                                 int64_t video_length = indexable->get_video_frames();
 405                                                 if (video_length < 0) {
 406                                                         if(mwindow->edl->session->si_useduration)
 407                                                                 video_length = mwindow->edl->session->si_duration;
 408                                                         else
 409                                                                 video_length = 1.0 / mwindow->edl->session->frame_rate ;
 410                                                 }
 411                                                 asset_duration = video_length / indexable->get_frame_rate();
 412                                         }
 413                                         else if( indexable->have_audio() &&
 414                                                  mwindow->session->track_highlighted->data_type == TRACK_AUDIO ) {
 415                                                 int64_t audio_length = indexable->get_audio_samples();
 416                                                 asset_duration = (double)audio_length / indexable->get_sample_rate();
 417                                         }
 418                                         else {
 419                                                 result = 1;
 420                                                 break;  // Do not do anything
 421                                         }
 422                                 }
 423                                 else if( mwindow->session->current_operation == DRAG_ASSET &&
 424                                          mwindow->session->drag_clips->total ) {
 425                                         EDL *clip = mwindow->session->drag_clips->values[0];
 426                                         asset_duration = clip->tracks->total_length();
 427                                 }
 428                                 else {
 429                                         printf("DRAG_ASSET error: Asset dropped, but both drag_clips and drag_assets total is zero\n");
 430                                 }
 431
 432                                 asset_length_units = mwindow->session->track_highlighted->to_units(asset_duration, 1);
 433                                 position = drop_edit_position (&insertion, NULL, asset_length_units);
 434                                 if( position == -1 ) {
 435                                         result = 1;
 436                                         break;          // Do not do anything
 437                                 }
 438
 439                                 double position_f = mwindow->session->track_highlighted->from_units(position);
 440                                 Track *track = mwindow->session->track_highlighted;
 441
 442 //                              if (!insertion) {
 443 //                                      // FIXME, we should create an mwindow/EDL method that overwrites, without clearing the keyframes and autos
 444 //                                      // Unfortunately, this is _a lot_ of work to do right
 445 //                                      printf("Problematic insertion\n");
 446 //                                      mwindow->edl->tracks->clear(position_f,
 447 //                                              position_f + asset_duration, 0);
 448 //                              }
 449                                 mwindow->paste_assets(position_f, track, !insertion);
 450                                 result = 1;    // need to be one no matter what, since we have track highlited so we have to cleanup....
 451                         }
 452                         break;
 453
 454                 case DRAG_EDIT:
 455                         mwindow->session->current_operation = NO_OPERATION;
 456                         if(mwindow->session->track_highlighted) {
 457                                 if( mwindow->session->track_highlighted->data_type ==
 458                                         mwindow->session->drag_edit->track->data_type) {
 459                                         int64_t position = 0;
 460                                         position = drop_edit_position(&insertion,
 461                                                         mwindow->session->drag_edit,
 462                                                         mwindow->session->drag_edit->length);
 463                                         if (position == -1) {
 464                                                 result = 1;
 465                                                 break;          // Do not do anything
 466                                         }
 467
 468                                         double position_f = mwindow->session->track_highlighted->from_units(position);
 469                                         Track *track = mwindow->session->track_highlighted;
 470                                         mwindow->move_edits(mwindow->session->drag_edits,
 471                                                         track, position_f, !insertion);
 472                                 }
 473
 474                                 result = 1;
 475                         }
 476                         break;
 477                 }
 478         }
 479
 480         return result;
 481 }
 482
 483 int TrackCanvas::drag_start_event()
 484 {
 485         int result = 0;
 486         int redraw = 0;
 487         int rerender = 0;
 488         int new_cursor, update_cursor;
 489
 490         if(mwindow->session->current_operation != NO_OPERATION) return 0;
 491
 492         if(is_event_win()) {
 493                 if(do_plugins(get_drag_x(), get_drag_y(),
 494                                 1, 0, redraw, rerender)) {
 495                         result = 1;
 496                 }
 497                 else if(do_edits(get_drag_x(), get_drag_y(),
 498                                 0, 1, redraw, rerender, new_cursor, update_cursor)) {
 499                         result = 1;
 500                 }
 501         }
 502
 503         return result;
 504 }
 505
 506 int64_t TrackCanvas::drop_edit_position(int *is_insertion, Edit *moved_edit, int64_t moved_edit_length)
 507 {
 508         // get the canvas/track position
 509         Track *track = mwindow->session->track_highlighted;
 510         int cursor_x = get_relative_cursor_x();
 511         double zoom_scale = (double)mwindow->edl->session->sample_rate / mwindow->edl->local_session->zoom_sample;
 512         double drop_time = (cursor_x + mwindow->edl->local_session->view_start[pane->number]) / zoom_scale;
 513         // we use cursor position for affinity calculations
 514         int64_t cursor_position = track->to_units(drop_time, 0);
 515         if( cursor_position <= 0 ) {
 516                 *is_insertion = 1;
 517                 return 0;
 518         }
 519         if( moved_edit )  // relative cursor position depends upon drop point
 520                 drop_time -= mwindow->session->drag_position - moved_edit->track->from_units(moved_edit->startproject);
 521         int64_t drop_position = track->to_units(drop_time, 1);
 522         if( !moved_edit )  // for clips and assets acts as they were grabbed in the middle
 523                 drop_position -= moved_edit_length / 2;
 524         Edit *last_edit = track->edits->last;
 525         if( !last_edit || drop_position > last_edit->startproject+last_edit->length ) {
 526                 *is_insertion = 0;
 527                 return drop_position;
 528         }
 529
 530         int64_t drop_x0 = 0, drop_x1 = 0;  // drop zone boundries
 531         for( Edit *edit = track->edits->first; edit; ) {
 532                 int64_t edit_x0 = edit->startproject, edit_x1 = edit_x0 + edit->length;
 533                 if( Units::round(labs(edit_x0-cursor_position)*zoom_scale) < HANDLE_W ) {
 534                         *is_insertion = 1; // cursor is close to the beginning of an edit -> insertion
 535                         return edit->startproject;
 536                 }
 537                 if( Units::round(labs(edit_x1-cursor_position)*zoom_scale) < HANDLE_W ) {
 538                         *is_insertion = 1; // cursor is close to the end of an edit -> insertion
 539                         return edit->startproject + edit->length;
 540                 }
 541                 if( edit != moved_edit && !edit->silence() )
 542                         drop_x0 = edit_x1; // reset drop zone
 543                 if( (edit=edit->next) != 0 ) {
 544                         if( edit == moved_edit || edit->silence() ) continue;
 545                         drop_x1 = edit_x1;
 546                 }
 547                 else
 548                         drop_x1 = INT64_MAX;
 549 //printf("drop cursor=%jd, x0=%jd, x1=%jd\n", cursor_position, drop_x0, drop_x1);
 550                 if( drop_position >= drop_x0 && drop_position+moved_edit_length < drop_x1 ) {
 551                         *is_insertion = 0; // fits in the zone
 552 //printf("into %jd\n", drop_position);
 553                         return drop_position;
 554                 }
 555                 if( cursor_position < drop_x1 ) { // drop in the zone
 556                         if( (drop_x1-drop_x0) >= moved_edit_length ) {
 557                                 *is_insertion = 0; // fits in the zone, but over the edge
 558                                 int64_t dx0 = llabs(cursor_position-drop_x0);
 559                                 int64_t dx1 = llabs(cursor_position-drop_x1);
 560 //printf("onto %jd\n", dx0 < dx1 ? drop_x0 : drop_x1 - moved_edit_length);
 561                                 return dx0 < dx1 ? drop_x0 : drop_x1 - moved_edit_length;
 562                         }
 563                         int edit_center = (edit_x0+edit_x1) / 2;
 564                         if( cursor_position < edit_center ) {
 565                                 *is_insertion = 1;
 566 //printf("snap left %jd\n", drop_x0);
 567                                 return drop_x0; // snap left
 568                         }
 569                         else {
 570                                 *is_insertion = 1;
 571 //printf("snap right %jd\n", drop_x1);
 572                                 return drop_x1; // snap right
 573                         }
 574                 }
 575         }
 576
 577         *is_insertion = 0;
 578         return -1;
 579 }
 580
 581 int64_t TrackCanvas::drop_plugin_position(PluginSet *plugin_set, Plugin *moved_plugin)
 582 {
 583         // get the canvas/track position
 584         Track *track = plugin_set->track;
 585         int cursor_x = get_relative_cursor_x();
 586         double zoom_scale = (double)mwindow->edl->session->sample_rate / mwindow->edl->local_session->zoom_sample;
 587         double drop_time = (cursor_x + mwindow->edl->local_session->view_start[pane->number]) / zoom_scale;
 588         // we use cursor position for affinity calculations
 589         int64_t cursor_position = track->to_units(drop_time, 0);
 590         if( cursor_position <= 0 ) return 0;
 591         drop_time -= mwindow->session->drag_position - moved_plugin->track->from_units(moved_plugin->startproject);
 592         int64_t drop_position = track->to_units(drop_time, 1);
 593         Plugin *last_plugin = (Plugin *)plugin_set->last;
 594         if( !last_plugin || drop_position > last_plugin->startproject+last_plugin->length ) {
 595                 return drop_position;
 596         }
 597
 598         int64_t drop_x0 = 0, drop_x1 = 0;  // drop zone boundries
 599         for( Plugin *plugin = (Plugin *)plugin_set->first; plugin; ) {
 600                 int64_t plugin_x0 = plugin->startproject, plugin_x1 = plugin_x0 + plugin->length;
 601                 if( plugin != moved_plugin && !plugin->silence() )
 602                         drop_x0 = plugin_x1;
 603                 if( (plugin=(Plugin *)plugin->next) != 0 ) {
 604                         if( plugin == moved_plugin || plugin->silence() ) continue;
 605                         drop_x1 = plugin_x1;
 606                 }
 607                 else
 608                         drop_x1 = INT64_MAX;
 609                 if( drop_position >= drop_x0 && // fits in the zone
 610                     drop_position+moved_plugin->length < drop_x1 ) {
 611                         return drop_position;
 612                 }
 613                 if( cursor_position < drop_x1 ) { // drop in the zone
 614                         if( (drop_x1-drop_x0) >= moved_plugin->length ) {
 615                                 int64_t dx0 = llabs(cursor_position-drop_x0);
 616                                 int64_t dx1 = llabs(cursor_position-drop_x1);
 617                                 return dx0 < dx1 ? drop_x0 : drop_x1 - moved_plugin->length;
 618                         }
 619                 }
 620         }
 621
 622         return -1;
 623 }
 624
 625
 626 void TrackCanvas::draw(int mode, int hide_cursor)
 627 {
 628         const int debug = 0;
 629
 630
 631 // Swap pixmap layers
 632         if(get_w() != background_pixmap->get_w() ||
 633                 get_h() != background_pixmap->get_h())
 634         {
 635                 delete background_pixmap;
 636                 background_pixmap = new BC_Pixmap(this, get_w(), get_h());
 637         }
 638
 639 // Cursor disappears after resize when this is called.
 640 // Cursor doesn't redraw after editing when this isn't called.
 641         if(pane->cursor && hide_cursor) pane->cursor->hide();
 642         draw_top_background(get_parent(), 0, 0, get_w(), get_h(), background_pixmap);
 643
 644         if(debug) PRINT_TRACE
 645         draw_resources(mode);
 646
 647         if(debug) PRINT_TRACE
 648         draw_overlays();
 649         if(debug) PRINT_TRACE
 650 }
 651
 652 void TrackCanvas::update_cursor(int flush)
 653 {
 654         switch(mwindow->edl->session->editing_mode)
 655         {
 656                 case EDITING_ARROW: set_cursor(ARROW_CURSOR, 0, flush); break;
 657                 case EDITING_IBEAM: set_cursor(IBEAM_CURSOR, 0, flush); break;
 658         }
 659 }
 660
 661
 662 void TrackCanvas::test_timer()
 663 {
 664         if(resource_timer->get_difference() > 1000 &&
 665                 !hourglass_enabled)
 666         {
 667                 start_hourglass();
 668                 hourglass_enabled = 1;
 669         }
 670 }
 671
 672
 673 void TrackCanvas::draw_indexes(Indexable *indexable)
 674 {
 675 // Don't redraw raw samples
 676         IndexState *index_state = 0;
 677         index_state = indexable->index_state;
 678
 679
 680         if(index_state->index_zoom > mwindow->edl->local_session->zoom_sample)
 681                 return;
 682
 683
 684         draw_resources(0, 1, indexable);
 685
 686         draw_overlays();
 687         flash(0);
 688 }
 689
 690 void TrackCanvas::draw_resources(int mode,
 691         int indexes_only,
 692         Indexable *indexable)
 693 {
 694         const int debug = 0;
 695
 696         if(debug) PRINT_TRACE
 697
 698         if(!mwindow->edl->session->show_assets) return;
 699
 700
 701 // can't stop thread here, because this is called for every pane
 702 //      if(mode != IGNORE_THREAD && !indexes_only)
 703 //              gui->resource_thread->stop_draw(!indexes_only);
 704
 705         if(mode != IGNORE_THREAD &&
 706                 !indexes_only &&
 707                 !gui->resource_thread->interrupted)
 708         {
 709                 printf("TrackCanvas::draw_resources %d: called without stopping ResourceThread\n",
 710                         __LINE__);
 711
 712                 BC_Signals::dump_stack();
 713         }
 714
 715         if(debug) PRINT_TRACE
 716
 717         resource_timer->update();
 718
 719 // Age resource pixmaps for deletion
 720         if(!indexes_only)
 721                 for(int i = 0; i < gui->resource_pixmaps.total; i++)
 722                         gui->resource_pixmaps.values[i]->visible--;
 723
 724         if(mode == FORCE_REDRAW)
 725                 gui->resource_pixmaps.remove_all_objects();
 726
 727         if(debug) PRINT_TRACE
 728
 729 // Search every edit
 730         for(Track *current = mwindow->edl->tracks->first;
 731                 current;
 732                 current = NEXT)
 733         {
 734                 if(debug) PRINT_TRACE
 735                 for(Edit *edit = current->edits->first; edit; edit = edit->next)
 736                 {
 737                         if(debug) PRINT_TRACE
 738                         if( current->data_type != TRACK_SUBTITLE )
 739                                 if(!edit->asset && !edit->nested_edl) continue;
 740                         if(indexes_only)
 741                         {
 742                                 if(edit->track->data_type != TRACK_AUDIO) continue;
 743
 744                                 if(edit->nested_edl &&
 745                                         strcmp(indexable->path, edit->nested_edl->path)) continue;
 746
 747                                 if(edit->asset &&
 748                                         strcmp(indexable->path, edit->asset->path)) continue;
 749                         }
 750
 751                         if(debug) PRINT_TRACE
 752
 753                         int64_t edit_x, edit_y, edit_w, edit_h;
 754                         edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
 755
 756 // Edit is visible
 757                         if(MWindowGUI::visible(edit_x, edit_x + edit_w, 0, get_w()) &&
 758                                 MWindowGUI::visible(edit_y, edit_y + edit_h, 0, get_h()))
 759                         {
 760                                 int64_t pixmap_x, pixmap_w, pixmap_h;
 761                                 if(debug) PRINT_TRACE
 762
 763 // Search for existing pixmap containing edit
 764                                 for(int i = 0; i < gui->resource_pixmaps.total; i++)
 765                                 {
 766                                         ResourcePixmap* pixmap = gui->resource_pixmaps.values[i];
 767 // Same pointer can be different edit if editing took place
 768                                         if(pixmap->edit_id == edit->id &&
 769                                                 pixmap->pane_number == pane->number)
 770                                         {
 771                                                 pixmap->visible = 1;
 772                                                 break;
 773                                         }
 774                                 }
 775                                 if(debug) PRINT_TRACE
 776
 777 // Get new size, offset of pixmap needed
 778                                 get_pixmap_size(edit,
 779                                         edit_x,
 780                                         edit_w,
 781                                         pixmap_x,
 782                                         pixmap_w,
 783                                         pixmap_h);
 784                                 if(debug) PRINT_TRACE
 785
 786 // Draw new data
 787                                 if(pixmap_w && pixmap_h)
 788                                 {
 789 // Create pixmap if it doesn't exist
 790                                         ResourcePixmap* pixmap = create_pixmap(edit,
 791                                                 edit_x,
 792                                                 pixmap_x,
 793                                                 pixmap_w,
 794                                                 pixmap_h);
 795 // Resize it if it's bigger
 796                                         if(pixmap_w > pixmap->pixmap_w ||
 797                                                 pixmap_h > pixmap->pixmap_h)
 798                                                 pixmap->resize(pixmap_w, pixmap_h);
 799                                         pixmap->draw_data(this,
 800                                                 edit,
 801                                                 edit_x,
 802                                                 edit_w,
 803                                                 pixmap_x,
 804                                                 pixmap_w,
 805                                                 pixmap_h,
 806                                                 mode,
 807                                                 indexes_only);
 808 // Resize it if it's smaller
 809                                         if(pixmap_w < pixmap->pixmap_w ||
 810                                                 pixmap_h < pixmap->pixmap_h)
 811                                                 pixmap->resize(pixmap_w, pixmap_h);
 812
 813 // Copy pixmap to background canvas
 814                                         background_pixmap->draw_pixmap(pixmap,
 815                                                 pixmap->pixmap_x,
 816                                                 current->y_pixel - mwindow->edl->local_session->track_start[pane->number],
 817                                                 pixmap->pixmap_w,
 818                                                 edit_h);
 819                                 }
 820                                 if(debug) PRINT_TRACE
 821
 822                         }
 823                 }
 824         }
 825
 826
 827 // Delete unused pixmaps
 828         if(debug) PRINT_TRACE
 829         if(!indexes_only)
 830                 for(int i = gui->resource_pixmaps.total - 1; i >= 0; i--)
 831                         if(gui->resource_pixmaps.values[i]->visible < PIXMAP_AGE)
 832                         {
 833 //printf("TrackCanvas::draw_resources %d\n", __LINE__);
 834                                 delete gui->resource_pixmaps.values[i];
 835                                 gui->resource_pixmaps.remove(gui->resource_pixmaps.values[i]);
 836                         }
 837         if(debug) PRINT_TRACE
 838
 839         if(hourglass_enabled)
 840         {
 841                 stop_hourglass();
 842                 hourglass_enabled = 0;
 843         }
 844         if(debug) PRINT_TRACE
 845
 846 // can't stop thread here, because this is called for every pane
 847 //      if(mode != IGNORE_THREAD && !indexes_only)
 848 //              gui->resource_thread->start_draw();
 849         if(debug) PRINT_TRACE
 850
 851
 852 }
 853
 854 ResourcePixmap* TrackCanvas::create_pixmap(Edit *edit,
 855         int64_t edit_x,
 856         int64_t pixmap_x,
 857         int64_t pixmap_w,
 858         int64_t pixmap_h)
 859 {
 860         ResourcePixmap *result = 0;
 861
 862         for(int i = 0; i < gui->resource_pixmaps.total; i++)
 863         {
 864 //printf("TrackCanvas::create_pixmap 1 %d %d\n", edit->id, resource_pixmaps.values[i]->edit->id);
 865                 if(gui->resource_pixmaps.values[i]->edit_id == edit->id &&
 866                         gui->resource_pixmaps.values[i]->pane_number == pane->number)
 867                 {
 868                         result = gui->resource_pixmaps.values[i];
 869                         break;
 870                 }
 871         }
 872
 873         if(!result)
 874         {
 875 //SET_TRACE
 876                 result = new ResourcePixmap(mwindow,
 877                         gui,
 878                         edit,
 879                         pane->number,
 880                         pixmap_w,
 881                         pixmap_h);
 882 //SET_TRACE
 883                 gui->resource_pixmaps.append(result);
 884         }
 885
 886 //      result->resize(pixmap_w, pixmap_h);
 887         return result;
 888 }
 889
 890 void TrackCanvas::get_pixmap_size(Edit *edit,
 891         int64_t edit_x,
 892         int64_t edit_w,
 893         int64_t &pixmap_x,
 894         int64_t &pixmap_w,
 895         int64_t &pixmap_h)
 896 {
 897
 898 // Align x on frame boundaries
 899
 900
 901 //      switch(edit->edits->track->data_type)
 902 //      {
 903 //              case TRACK_AUDIO:
 904
 905                         pixmap_x = edit_x;
 906                         pixmap_w = edit_w;
 907                         if(pixmap_x < 0)
 908                         {
 909                                 pixmap_w -= -edit_x;
 910                                 pixmap_x = 0;
 911                         }
 912
 913                         if(pixmap_x + pixmap_w > get_w())
 914                         {
 915                                 pixmap_w = get_w() - pixmap_x;
 916                         }
 917
 918 //                      break;
 919 //
 920 //              case TRACK_VIDEO:
 921 //              {
 922 //                      int64_t picon_w = (int64_t)(edit->picon_w() + 0.5);
 923 //                      int64_t frame_w = (int64_t)(edit->frame_w() + 0.5);
 924 //                      int64_t pixel_increment = MAX(picon_w, frame_w);
 925 //                      int64_t pixmap_x1 = edit_x;
 926 //                      int64_t pixmap_x2 = edit_x + edit_w;
 927 //
 928 //                      if(pixmap_x1 < 0)
 929 //                      {
 930 //                              pixmap_x1 = (int64_t)((double)-edit_x / pixel_increment) *
 931 //                                      pixel_increment +
 932 //                                      edit_x;
 933 //                      }
 934 //
 935 //                      if(pixmap_x2 > get_w())
 936 //                      {
 937 //                              pixmap_x2 = (int64_t)((double)(get_w() - edit_x) / pixel_increment + 1) *
 938 //                                      pixel_increment +
 939 //                                      edit_x;
 940 //                      }
 941 //                      pixmap_x = pixmap_x1;
 942 //                      pixmap_w = pixmap_x2 - pixmap_x1;
 943 //                      break;
 944 //              }
 945 //      }
 946
 947         pixmap_h = mwindow->edl->local_session->zoom_track;
 948         if(mwindow->edl->session->show_titles) pixmap_h += mwindow->theme->get_image("title_bg_data")->get_h();
 949 //printf("get_pixmap_size %d %d %d %d\n", edit_x, edit_w, pixmap_x, pixmap_w);
 950 }
 951
 952 void TrackCanvas::edit_dimensions(Edit *edit,
 953         int64_t &x,
 954         int64_t &y,
 955         int64_t &w,
 956         int64_t &h)
 957 {
 958 //      w = Units::round(edit->track->from_units(edit->length) *
 959 //              mwindow->edl->session->sample_rate /
 960 //              mwindow->edl->local_session->zoom_sample);
 961
 962         h = resource_h();
 963
 964         x = Units::round(edit->track->from_units(edit->startproject) *
 965                         mwindow->edl->session->sample_rate /
 966                         mwindow->edl->local_session->zoom_sample -
 967                         mwindow->edl->local_session->view_start[pane->number]);
 968
 969 // Method for calculating w so when edits are together we never get off by one error due to rounding
 970         int64_t x_next = Units::round(edit->track->from_units(edit->startproject + edit->length) *
 971                         mwindow->edl->session->sample_rate /
 972                         mwindow->edl->local_session->zoom_sample -
 973                         mwindow->edl->local_session->view_start[pane->number]);
 974         w = x_next - x;
 975
 976         y = edit->edits->track->y_pixel - mwindow->edl->local_session->track_start[pane->number];
 977
 978         if(mwindow->edl->session->show_titles)
 979                 h += mwindow->theme->get_image("title_bg_data")->get_h();
 980 }
 981
 982 void TrackCanvas::track_dimensions(Track *track, int64_t &x, int64_t &y, int64_t &w, int64_t &h)
 983 {
 984         x = 0;
 985         w = get_w();
 986         y = track->y_pixel - mwindow->edl->local_session->track_start[pane->number];
 987         h = track->vertical_span(mwindow->theme);
 988 }
 989
 990
 991 void TrackCanvas::draw_paste_destination()
 992 {
 993         //int cursor_x = get_relative_cursor_x();
 994         //int cursor_y = get_relative_cursor_y();
 995         int current_atrack = 0;
 996         int current_vtrack = 0;
 997         int current_aedit = 0;
 998         int current_vedit = 0;
 999         int64_t w = 0;
1000         int64_t x;
1001         double position;
1002         int insertion  = 0;
1003
1004 //if(pane->number == BOTTOM_RIGHT_PANE)
1005 //printf("TrackCanvas::draw_paste_destination %d %p\n", __LINE__, mwindow->session->track_highlighted);
1006
1007         if((mwindow->session->current_operation == DRAG_ASSET &&
1008                         (mwindow->session->drag_assets->total ||
1009                         mwindow->session->drag_clips->total)) ||
1010                 (mwindow->session->current_operation == DRAG_EDIT &&
1011                         mwindow->session->drag_edits->total)) {
1012                 Indexable *indexable = 0;
1013                 EDL *clip = 0;
1014                 //int draw_box = 0;
1015
1016                 if(mwindow->session->current_operation == DRAG_ASSET &&
1017                         mwindow->session->drag_assets->size())
1018                         indexable = mwindow->session->drag_assets->get(0);
1019
1020                 if(mwindow->session->current_operation == DRAG_ASSET &&
1021                         mwindow->session->drag_clips->size())
1022                         clip = mwindow->session->drag_clips->get(0);
1023
1024                 int has_audio = 0, has_video = 0;
1025                 double paste_audio_length = 0, paste_video_length = 0;
1026                 double paste_audio_position = -1, paste_video_position = -1;
1027
1028                 if( indexable ) {
1029                         has_audio = indexable->have_audio();
1030                         paste_audio_length = !has_audio ? 0 :
1031                                  (double)indexable->get_audio_samples() / indexable->get_sample_rate();
1032                         has_video = indexable->have_video();
1033                         Asset *asset = indexable->is_asset ? (Asset *)indexable : 0;
1034                         // Images have length -1
1035                         if( asset && asset->video_data && asset->video_length < 0 ) {
1036                                 paste_video_length = mwindow->edl->session->si_useduration ?
1037                                         mwindow->edl->session->si_duration / asset->frame_rate :
1038                                         1.0 / asset->frame_rate ;  // 1 frame
1039                         }
1040                         else
1041                                 paste_video_length = !has_video ? 0 :
1042                                         (double)indexable->get_video_frames() / indexable->get_frame_rate();
1043                 }
1044
1045                 if( clip ) {
1046                         has_audio = clip->tracks->total_audio_tracks() > 0 ? 1 : 0;
1047                         paste_audio_length = !has_audio ? 0 : clip->tracks->total_audio_length();
1048                         has_video = clip->tracks->total_video_tracks() > 0 ? 1 : 0;
1049                         paste_video_length = !has_video ? 0 : clip->tracks->total_video_length();
1050                 }
1051
1052 // 'Align cursor on frame' lengths calculations
1053                 if( mwindow->edl->session->cursor_on_frames ) {
1054                         double fps = mwindow->edl->session->frame_rate;
1055                         double aud = floor(paste_audio_length * fps) / fps;
1056                         double vid = floor(paste_video_length * fps) / fps;
1057                         double length = has_video && has_audio ?
1058                                         aud < vid ? aud : vid :
1059                                 has_video ? vid :
1060                                 has_audio ? aud : 0;
1061                         paste_video_length = paste_audio_length = length;
1062                 }
1063
1064                 if( has_audio ) { // we use video if we are over video and audio if we are over audio
1065                         int64_t length = 0;
1066                         switch( mwindow->session->track_highlighted->data_type ) {
1067                         case TRACK_VIDEO: length = paste_video_length;  break;
1068                         case TRACK_AUDIO: length = paste_audio_length;  break;
1069                         }
1070                         int64_t asset_length = mwindow->session->track_highlighted->
1071                                 to_units(length, 1);
1072                         paste_audio_position = mwindow->session->track_highlighted->
1073                                 from_units(drop_edit_position(&insertion, NULL, asset_length));
1074                 }
1075                 if( has_video ) {
1076                         int64_t asset_length = mwindow->session->track_highlighted->
1077                                 to_units(paste_video_length, 1);
1078                         paste_video_position = mwindow->session->track_highlighted->
1079                                 from_units(drop_edit_position(&insertion, NULL, asset_length));
1080                 }
1081
1082 // Get destination track
1083                 for(Track *dest = mwindow->session->track_highlighted;
1084                         dest;
1085                         dest = dest->next) {
1086                         if(dest->record) {
1087 // Get source width in pixels
1088                                 w = -1;
1089 // Use start of highlighted edit
1090                                 if(mwindow->session->edit_highlighted) {
1091                                         position = mwindow->session->track_highlighted->from_units(
1092                                                 mwindow->session->edit_highlighted->startproject);
1093                                 }
1094                                 else {
1095 // Use end of highlighted track, disregarding effects
1096                                         position = mwindow->session->track_highlighted->from_units(
1097                                                 mwindow->session->track_highlighted->edits->length());
1098                                 }
1099
1100 // Get the x coordinate
1101                                 x = Units::to_int64(position *
1102                                         mwindow->edl->session->sample_rate /
1103                                         mwindow->edl->local_session->zoom_sample) -
1104                                         mwindow->edl->local_session->view_start[pane->number];
1105
1106                                 double paste_position = -1.;
1107                                 if(dest->data_type == TRACK_AUDIO) {
1108                                         if(indexable && current_atrack < indexable->get_audio_channels()) {
1109 //printf("TrackCanvas::draw_paste_destination %d %d\n", __LINE__, current_atrack);
1110                                                 w = Units::to_int64((double)indexable->get_audio_samples() /
1111                                                         indexable->get_sample_rate() *
1112                                                         mwindow->edl->session->sample_rate /
1113                                                         mwindow->edl->local_session->zoom_sample);
1114                                                 paste_position = paste_audio_position;
1115                                         }
1116                                         else if(clip && current_atrack < clip->tracks->total_audio_tracks()) {
1117                                                 w = Units::to_int64((double)clip->tracks->total_length() *
1118                                                         mwindow->edl->session->sample_rate /
1119                                                         mwindow->edl->local_session->zoom_sample);
1120                                                 paste_position = paste_audio_position;
1121 //printf("draw_paste_destination %d\n", x);
1122                                         }
1123                                         else if(mwindow->session->current_operation == DRAG_EDIT &&
1124                                                 current_aedit < mwindow->session->drag_edits->total) {
1125                                                 Edit *edit;
1126                                                 while(current_aedit < mwindow->session->drag_edits->total &&
1127                                                         mwindow->session->drag_edits->values[current_aedit]->track->data_type != TRACK_AUDIO)
1128                                                         current_aedit++;
1129
1130                                                 if(current_aedit < mwindow->session->drag_edits->total) {
1131                                                         edit = mwindow->session->drag_edits->values[current_aedit];
1132                                                         w = Units::to_int64(edit->length / mwindow->edl->local_session->zoom_sample);
1133                                                         paste_position = mwindow->session->track_highlighted->
1134                                                                 from_units(drop_edit_position(&insertion,
1135                                                                         mwindow->session->drag_edit,
1136                                                                         mwindow->session->drag_edit->length));
1137                                                 }
1138                                         }
1139                                         if( paste_position >= 0 ) {
1140                                                 position = paste_position;
1141                                                 current_atrack++;
1142                                                 //draw_box = 1;
1143                                         }
1144                                         else
1145                                                 w = -1;
1146                                 }
1147                                 else if(dest->data_type == TRACK_VIDEO) {
1148 //printf("draw_paste_destination 1\n");
1149                                         if(indexable && current_vtrack < indexable->get_video_layers())
1150                                         {
1151                                                 w = Units::to_int64((double)indexable->get_video_frames() /
1152                                                         indexable->get_frame_rate() *
1153                                                         mwindow->edl->session->sample_rate /
1154                                                         mwindow->edl->local_session->zoom_sample);
1155                                                 paste_position = paste_video_position;
1156                                         }
1157                                         else if(clip && current_vtrack < clip->tracks->total_video_tracks()) {
1158                                                 w = Units::to_int64(clip->tracks->total_length() *
1159                                                         mwindow->edl->session->sample_rate /
1160                                                         mwindow->edl->local_session->zoom_sample);
1161                                                 paste_position = paste_video_position;
1162                                         }
1163                                         else if(mwindow->session->current_operation == DRAG_EDIT &&
1164                                                 current_vedit < mwindow->session->drag_edits->total) {
1165                                                 Edit *edit;
1166                                                 while(current_vedit < mwindow->session->drag_edits->total &&
1167                                                         mwindow->session->drag_edits->values[current_vedit]->track->data_type != TRACK_VIDEO)
1168                                                         current_vedit++;
1169
1170                                                 if(current_vedit < mwindow->session->drag_edits->total) {
1171                                                         edit = mwindow->session->drag_edits->values[current_vedit];
1172                                                         w = Units::to_int64(edit->track->from_units(edit->length) *
1173                                                                 mwindow->edl->session->sample_rate /
1174                                                                 mwindow->edl->local_session->zoom_sample);
1175                                                         paste_position = mwindow->session->track_highlighted->
1176                                                                 from_units(drop_edit_position(&insertion,
1177                                                                         mwindow->session->drag_edit,
1178                                                                         mwindow->session->drag_edit->length));
1179                                                 }
1180                                         }
1181                                         if( paste_position >= 0 ) {
1182                                                 position = paste_position;
1183                                                 current_vedit++;
1184                                                 //draw_box = 1;
1185                                         }
1186                                         else
1187                                                 w = -1;
1188                                 }
1189
1190                                 if(w >= 0) {
1191 // Get the x coordinate
1192                                         x = Units::to_int64(position *
1193                                                 mwindow->edl->session->sample_rate /
1194                                                 mwindow->edl->local_session->zoom_sample) -
1195                                                 mwindow->edl->local_session->view_start[pane->number];
1196                                         int y = dest->y_pixel - mwindow->edl->local_session->track_start[pane->number];
1197                                         int h = dest->vertical_span(mwindow->theme);
1198
1199 //printf("TrackCanvas::draw_paste_destination 2 %d %d %d %d\n", x, y, w, h);
1200                                         if (insertion)
1201                                                 draw_highlight_insertion(x, y, w, h);
1202                                         else
1203                                                 draw_highlight_rectangle(x, y, w, h);
1204                                         if(x < -BC_INFINITY) {
1205                                                 w -= -BC_INFINITY - x;
1206                                                 x += -BC_INFINITY - x;
1207                                         }
1208                                         w = MIN(65535, w);
1209 // if(pane->number == TOP_RIGHT_PANE)
1210 // printf("TrackCanvas::draw_paste_destination %d %d %d %d %d\n",
1211 // __LINE__, x, y, w, h);
1212                                         draw_highlight_rectangle(x, y, w, h);
1213                                 }
1214                         }
1215                 }
1216         }
1217 }
1218
1219 void TrackCanvas::plugin_dimensions(Plugin *plugin, int64_t &x, int64_t &y, int64_t &w, int64_t &h)
1220 {
1221         x = Units::round(plugin->track->from_units(plugin->startproject) *
1222                 mwindow->edl->session->sample_rate /
1223                 mwindow->edl->local_session->zoom_sample -
1224                 mwindow->edl->local_session->view_start[pane->number]);
1225         w = Units::round(plugin->track->from_units(plugin->length) *
1226                 mwindow->edl->session->sample_rate /
1227                 mwindow->edl->local_session->zoom_sample);
1228         y = plugin->track->y_pixel -
1229                 mwindow->edl->local_session->track_start[pane->number] +
1230                 mwindow->edl->local_session->zoom_track +
1231                 plugin->plugin_set->get_number() *
1232                 mwindow->theme->get_image("plugin_bg_data")->get_h();
1233         if(mwindow->edl->session->show_titles)
1234                 y += mwindow->theme->get_image("title_bg_data")->get_h();
1235         h = mwindow->theme->get_image("plugin_bg_data")->get_h();
1236 }
1237
1238 int TrackCanvas::resource_h()
1239 {
1240         return mwindow->edl->local_session->zoom_track;
1241 }
1242
1243 void TrackCanvas::draw_highlight_rectangle(int x, int y, int w, int h)
1244 {
1245
1246 // if we have to draw a highlighted rectangle completely on the left or completely on the right of the viewport,
1247 // just draw arrows, so user has indication that something is there
1248 // FIXME: get better colors
1249
1250         if (x + w <= 0)
1251         {
1252                 draw_triangle_left(0, y + h /6, h * 2/3, h * 2/3, BLACK, GREEN, YELLOW, RED, BLUE);
1253                 return;
1254         } else
1255         if (x >= get_w())
1256         {
1257                 draw_triangle_right(get_w() - h * 2/3, y + h /6, h * 2/3, h * 2/3, BLACK, GREEN, YELLOW, RED, BLUE);
1258                 return;
1259         }
1260
1261 // Fix bug in heroines & cvs version as of 22.8.2005:
1262 // If we grab when zoomed in and zoom out while dragging, when edit gets really narrow strange things start happening
1263         if (w >= 0 && w < 3) {x -= w /2; w = 3;};
1264         if(x < -10)
1265         {
1266                 w += x - -10;
1267                 x = -10;
1268         }
1269
1270         if(y < -10)
1271         {
1272                 h += y - -10;
1273                 y = -10;
1274         }
1275
1276         w = MIN(w, get_w() + 20);
1277         h = MIN(h, get_h() + 20);
1278         if(w > 0 && h > 0)
1279         {
1280                 set_color(WHITE);
1281                 set_inverse();
1282                 //draw_rectangle(x, y, w, h);
1283                 draw_rectangle(x + 1, y + 1, w - 2, h - 2);
1284                 draw_rectangle(x + 2, y + 2, w - 4, h - 4);
1285                 set_opaque();
1286                 draw_rectangle(x, y, w, h);
1287         }
1288 //if(pane->number == TOP_RIGHT_PANE)
1289 //printf("TrackCanvas::draw_highlight_rectangle %d %d %d %d %d\n", __LINE__, x, y, w, h);
1290 }
1291
1292 void TrackCanvas::draw_highlight_insertion(int x, int y, int w, int h)
1293 {
1294
1295 // if we have to draw a highlighted rectangle completely on the left or completely on the right of the viewport,
1296 // just draw arrows, so user has indication that something is there
1297 // FIXME: get better colors
1298
1299
1300
1301         int h1 = h / 8;
1302         int h2 = h / 4;
1303
1304         set_inverse();
1305
1306 /* these don't look so good
1307
1308         draw_line(x, y, x, y+h);
1309         draw_line(x - h2 * 2, y + h1*2,   x - h2, y+h1*2);
1310         draw_line(x - h2 * 2, y + h1*2+1, x - h2, y+h1*2+1);
1311         draw_line(x - h2 * 2, y + h1*6,   x - h2, y+h1*6);
1312         draw_line(x - h2 * 2, y + h1*6+1, x - h2, y+h1*6+1);
1313 */
1314         draw_triangle_right(x - h2, y + h1, h2, h2, BLACK, GREEN, YELLOW, RED, BLUE);
1315         draw_triangle_right(x - h2, y + h1*5, h2, h2, BLACK, GREEN, YELLOW, RED, BLUE);
1316
1317 /*      draw_line(x + h2 * 2, y + h1*2,   x + h2, y+h1*2);
1318         draw_line(x + h2 * 2, y + h1*2+1, x + h2, y+h1*2+1);
1319         draw_line(x + h2 * 2, y + h1*6,   x + h2, y+h1*6);
1320         draw_line(x - h2 * 2, y + h1*6+1, x + h2, y+h1*6+1);
1321 */
1322         draw_triangle_left(x, y + h1, h2, h2, BLACK, GREEN, YELLOW, RED, BLUE);
1323         draw_triangle_left(x, y + h1*5, h2, h2, BLACK, GREEN, YELLOW, RED, BLUE);
1324
1325 // draw the box centred around x
1326         x -= w / 2;
1327 // Fix bug in heroines & cvs version as of 22.8.2005:
1328 // If we grab when zoomed in and zoom out while dragging, when edit gets really narrow strange things start happening
1329         if (w >= 0 && w < 3) {x -= w /2; w = 3;};
1330         if(x < -10)
1331         {
1332                 w += x - -10;
1333                 x = -10;
1334         }
1335         if(y < -10)
1336         {
1337                 h += y - -10;
1338                 y = -10;
1339         }
1340         w = MIN(w, get_w() + 20);
1341         h = MIN(h, get_h() + 20);
1342         set_color(WHITE);
1343         set_inverse();
1344         draw_rectangle(x, y, w, h);
1345         draw_rectangle(x + 1, y + 1, w - 2, h - 2);
1346         set_opaque();
1347 //printf("TrackCanvas::draw_highlight_insertion %d %d %d %d\n", x, y, w, h);
1348 }
1349
1350 void TrackCanvas::draw_playback_cursor()
1351 {
1352 // Called before playback_cursor exists
1353 //      if(mwindow->playback_cursor && mwindow->playback_cursor->visible)
1354 //      {
1355 //              mwindow->playback_cursor->visible = 0;
1356 //              mwindow->playback_cursor->draw();
1357 //      }
1358 }
1359
1360 void TrackCanvas::get_handle_coords(Edit *edit, int64_t &x, int64_t &y, int64_t &w, int64_t &h, int side)
1361 {
1362         int handle_w = mwindow->theme->edithandlein_data[0]->get_w();
1363         int handle_h = mwindow->theme->edithandlein_data[0]->get_h();
1364
1365         edit_dimensions(edit, x, y, w, h);
1366
1367         if(mwindow->edl->session->show_titles)
1368         {
1369                 y += mwindow->theme->get_image("title_bg_data")->get_h();
1370         }
1371         else
1372         {
1373                 y = 0;
1374         }
1375
1376         if(side == EDIT_OUT)
1377         {
1378                 x += w - handle_w;
1379         }
1380
1381         h = handle_h;
1382         w = handle_w;
1383 }
1384
1385 void TrackCanvas::get_transition_coords(int64_t &x, int64_t &y, int64_t &w, int64_t &h)
1386 {
1387 //printf("TrackCanvas::get_transition_coords 1\n");
1388 //      int transition_w = mwindow->theme->transitionhandle_data[0]->get_w();
1389 //      int transition_h = mwindow->theme->transitionhandle_data[0]->get_h();
1390         int transition_w = 30;
1391         int transition_h = 30;
1392 //printf("TrackCanvas::get_transition_coords 1\n");
1393
1394         if(mwindow->edl->session->show_titles)
1395                 y += mwindow->theme->get_image("title_bg_data")->get_h();
1396 //printf("TrackCanvas::get_transition_coords 2\n");
1397
1398         y += (h - mwindow->theme->get_image("title_bg_data")->get_h()) / 2 - transition_h / 2;
1399         x -= transition_w / 2;
1400
1401         h = transition_h;
1402         w = transition_w;
1403 }
1404
1405 void TrackCanvas::draw_highlighting()
1406 {
1407         int64_t x, y, w, h;
1408         int draw_box = 0;
1409
1410         switch(mwindow->session->current_operation)
1411         {
1412                 case DRAG_ATRANSITION:
1413                 case DRAG_VTRANSITION:
1414 //printf("TrackCanvas::draw_highlighting 1 %p %p\n",
1415 //      mwindow->session->track_highlighted, mwindow->session->edit_highlighted);
1416                         if(mwindow->session->edit_highlighted) {
1417 //printf("TrackCanvas::draw_highlighting 2\n");
1418                                 if((mwindow->session->current_operation == DRAG_ATRANSITION &&
1419                                         mwindow->session->track_highlighted->data_type == TRACK_AUDIO) ||
1420                                         (mwindow->session->current_operation == DRAG_VTRANSITION &&
1421                                         mwindow->session->track_highlighted->data_type == TRACK_VIDEO)) {
1422 //printf("TrackCanvas::draw_highlighting 2\n");
1423                                         edit_dimensions(mwindow->session->edit_highlighted, x, y, w, h);
1424 //printf("TrackCanvas::draw_highlighting 2\n");
1425
1426                                         if(MWindowGUI::visible(x, x + w, 0, get_w()) &&
1427                                                 MWindowGUI::visible(y, y + h, 0, get_h())) {
1428                                                 draw_box = 1;
1429                                                 get_transition_coords(x, y, w, h);
1430                                         }
1431 //printf("TrackCanvas::draw_highlighting 3\n");
1432                                 }
1433                         }
1434                         break;
1435
1436 // Dragging a new effect from the Resource window
1437                 case DRAG_AEFFECT:
1438                 case DRAG_VEFFECT:
1439                         if(mwindow->session->track_highlighted &&
1440                                 ((mwindow->session->current_operation == DRAG_AEFFECT &&
1441                                   mwindow->session->track_highlighted->data_type == TRACK_AUDIO) ||
1442                                  (mwindow->session->current_operation == DRAG_VEFFECT &&
1443                                   mwindow->session->track_highlighted->data_type == TRACK_VIDEO))) {
1444 // Put it before another plugin
1445                                 if(mwindow->session->plugin_highlighted) {
1446                                         plugin_dimensions(mwindow->session->plugin_highlighted,
1447                                                 x, y, w, h);
1448 //printf("TrackCanvas::draw_highlighting 1 %d %d\n", x, w);
1449                                 }
1450 // Put it after a plugin set
1451                                 else if( mwindow->session->pluginset_highlighted &&
1452                                          mwindow->session->pluginset_highlighted->last ) {
1453                                         plugin_dimensions((Plugin*)mwindow->session->pluginset_highlighted->last,
1454                                                 x, y, w, h);
1455 //printf("TrackCanvas::draw_highlighting 1 %d %d\n", x, w);
1456                                         int64_t track_x, track_y, track_w, track_h;
1457                                         track_dimensions(mwindow->session->track_highlighted,
1458                                                 track_x, track_y, track_w, track_h);
1459
1460                                         x += w;
1461                                         w = Units::round(
1462                                                         mwindow->session->track_highlighted->get_length() *
1463                                                         mwindow->edl->session->sample_rate /
1464                                                         mwindow->edl->local_session->zoom_sample -
1465                                                         mwindow->edl->local_session->view_start[pane->number]) -
1466                                                 x;
1467 //printf("TrackCanvas::draw_highlighting 2 %d\n", w);
1468                                         if(w <= 0) w = track_w;
1469                                 }
1470                                 else {
1471                                         track_dimensions(mwindow->session->track_highlighted,
1472                                                 x, y, w, h);
1473
1474 //printf("TrackCanvas::draw_highlighting 1 %d %d %d %d\n", x, y, w, h);
1475 // Put it in a new plugin set determined by the selected range
1476                                         if(mwindow->edl->local_session->get_selectionend() >
1477                                                 mwindow->edl->local_session->get_selectionstart()) {
1478                                                 x = Units::to_int64(mwindow->edl->local_session->get_selectionstart() *
1479                                                         mwindow->edl->session->sample_rate /
1480                                                         mwindow->edl->local_session->zoom_sample -
1481                                                         mwindow->edl->local_session->view_start[pane->number]);
1482                                                 w = Units::to_int64((mwindow->edl->local_session->get_selectionend() -
1483                                                         mwindow->edl->local_session->get_selectionstart()) *
1484                                                         mwindow->edl->session->sample_rate /
1485                                                         mwindow->edl->local_session->zoom_sample);
1486                                         }
1487 // Put it in a new plugin set determined by an edit boundary
1488                                         else if(mwindow->session->edit_highlighted) {
1489                                                 int64_t temp_y, temp_h;
1490                                                 edit_dimensions(mwindow->session->edit_highlighted,
1491                                                         x, temp_y, w, temp_h);
1492                                         }
1493 // Put it at the beginning of the track in a new plugin set
1494                                 }
1495
1496                                 if( MWindowGUI::visible(x, x + w, 0, get_w()) &&
1497                                     MWindowGUI::visible(y, y + h, 0, get_h()) ) {
1498 //printf("TrackCanvas::draw_highlighting 1\n");
1499                                         draw_box = 1;
1500                                 }
1501                         }
1502                         break;
1503
1504                 case DRAG_ASSET:
1505                         if(mwindow->session->track_highlighted) {
1506 //                              track_dimensions(mwindow->session->track_highlighted, x, y, w, h);
1507
1508 //                              if(MWindowGUI::visible(y, y + h, 0, get_h()))
1509 //                              {
1510                                         draw_paste_destination();
1511 //                              }
1512                         }
1513                         break;
1514
1515                 case DRAG_EDIT:
1516                         if(mwindow->session->track_highlighted) {
1517 //                              track_dimensions(mwindow->session->track_highlighted, x, y, w, h);
1518 //
1519 //                              if(MWindowGUI::visible(y, y + h, 0, get_h())) {
1520                                         draw_paste_destination();
1521 //                              }
1522                         }
1523                         break;
1524
1525 // Dragging an effect from the timeline
1526                 case DRAG_AEFFECT_COPY:
1527                 case DRAG_VEFFECT_COPY:
1528                         if( (mwindow->session->plugin_highlighted || mwindow->session->track_highlighted) &&
1529                             ((mwindow->session->current_operation == DRAG_AEFFECT_COPY &&
1530                               mwindow->session->track_highlighted->data_type == TRACK_AUDIO) ||
1531                              (mwindow->session->current_operation == DRAG_VEFFECT_COPY &&
1532                               mwindow->session->track_highlighted->data_type == TRACK_VIDEO))) {
1533
1534                                 int64_t plugin_position = -1;
1535                                 Plugin *drag_plugin = mwindow->session->drag_plugin;
1536                                 PluginSet *hi_plugin_set = mwindow->session->pluginset_highlighted;
1537                                 Track *hi_track = mwindow->session->track_highlighted;
1538                                 Edit *hi_edit = mwindow->session->edit_highlighted;
1539 // Put it into a silence zone
1540                                 if( hi_plugin_set && hi_plugin_set->last &&
1541                                     hi_plugin_set->track == drag_plugin->track ) {
1542                                         plugin_dimensions((Plugin *)hi_plugin_set->last, x, y, w, h);
1543                                         plugin_position = drop_plugin_position(hi_plugin_set, drag_plugin);
1544                                         hi_track = drag_plugin->track;
1545                                 }
1546                                 else if( hi_track ) {
1547 // Put it in a new plugin set determined by an edit boundary, or at the start of the track
1548                                         track_dimensions(hi_track, x, y, w, h);
1549                                         plugin_position = hi_edit ? hi_edit->startproject : 0;
1550                                 }
1551
1552                                 if( plugin_position < 0 ) break;
1553
1554 // Calculate length of plugin based on data type of track and units
1555                                 double zoom_scale = (double)mwindow->edl->session->sample_rate /
1556                                                 mwindow->edl->local_session->zoom_sample;
1557                                 x = Units::round(hi_track->from_units(plugin_position) * zoom_scale) -
1558                                                 mwindow->edl->local_session->view_start[pane->number];
1559                                 w = Units::round(hi_track->from_units(drag_plugin->length) * zoom_scale);
1560
1561                                 if( MWindowGUI::visible(x, x + w, 0, get_w()) &&
1562                                     MWindowGUI::visible(y, y + h, 0, get_h()) ) {
1563                                         draw_box = 1;
1564                                 }
1565                         }
1566                         break;
1567
1568                 case DRAG_PLUGINKEY:
1569                         if(mwindow->session->plugin_highlighted &&
1570                            mwindow->session->current_operation == DRAG_PLUGINKEY)
1571                         {
1572 // Just highlight the plugin
1573                                 plugin_dimensions(mwindow->session->plugin_highlighted, x, y, w, h);
1574
1575                                 if(MWindowGUI::visible(x, x + w, 0, get_w()) &&
1576                                         MWindowGUI::visible(y, y + h, 0, get_h()))
1577                                 {
1578                                         draw_box = 1;
1579                                 }
1580                         }
1581                         break;
1582
1583         }
1584
1585
1586         if(draw_box)
1587         {
1588                 draw_highlight_rectangle(x, y, w, h);
1589         }
1590 }
1591
1592 void TrackCanvas::draw_plugins()
1593 {
1594         char string[BCTEXTLEN];
1595         int current_on = 0;
1596         int current_show = 0;
1597
1598
1599 //      if(!mwindow->edl->session->show_assets) goto done;
1600
1601         for(int i = 0; i < plugin_on_toggles.total; i++)
1602                 plugin_on_toggles.values[i]->in_use = 0;
1603         for(int i = 0; i < plugin_show_toggles.total; i++)
1604                 plugin_show_toggles.values[i]->in_use = 0;
1605
1606
1607         for(Track *track = mwindow->edl->tracks->first;
1608                 track;
1609                 track = track->next)
1610         {
1611                 if(track->expand_view)
1612                 {
1613                         for(int i = 0; i < track->plugin_set.total; i++)
1614                         {
1615                                 PluginSet *pluginset = track->plugin_set.values[i];
1616
1617                                 for(Plugin *plugin = (Plugin*)pluginset->first; plugin; plugin = (Plugin*)plugin->next)
1618                                 {
1619                                         int64_t total_x, y, total_w, h;
1620                                         plugin_dimensions(plugin, total_x, y, total_w, h);
1621
1622                                         if(MWindowGUI::visible(total_x, total_x + total_w, 0, get_w()) &&
1623                                                 MWindowGUI::visible(y, y + h, 0, get_h()) &&
1624                                                 plugin->plugin_type != PLUGIN_NONE)
1625                                         {
1626                                                 int x = total_x, w = total_w, left_margin = 5;
1627                                                 int right_margin = 5;
1628                                                 if(x < 0)
1629                                                 {
1630                                                         w -= -x;
1631                                                         x = 0;
1632                                                 }
1633                                                 if(w + x > get_w()) w -= (w + x) - get_w();
1634
1635                                                 draw_3segmenth(x,
1636                                                         y,
1637                                                         w,
1638                                                         total_x,
1639                                                         total_w,
1640                                                         mwindow->theme->get_image("plugin_bg_data"),
1641                                                         0);
1642                                                 set_color(mwindow->theme->title_color);
1643                                                 set_font(mwindow->theme->title_font);
1644                                                 plugin->calculate_title(string, 0);
1645
1646 // Truncate string to int64_test visible in background
1647                                                 int len = strlen(string), j;
1648                                                 for(j = len; j >= 0; j--)
1649                                                 {
1650                                                         if(left_margin + get_text_width(mwindow->theme->title_font, string) > w)
1651                                                         {
1652                                                                 string[j] = 0;
1653                                                         }
1654                                                         else
1655                                                                 break;
1656                                                 }
1657
1658 // Justify the text on the left boundary of the edit if it is visible.
1659 // Otherwise justify it on the left side of the screen.
1660                                                 int64_t text_x = total_x + left_margin;
1661                                                 int64_t text_w = get_text_width(mwindow->theme->title_font, string, strlen(string));
1662                                                 text_x = MAX(left_margin, text_x);
1663                                                 draw_text(text_x,
1664                                                         y + get_text_ascent(mwindow->theme->title_font) + 2,
1665                                                         string,
1666                                                         strlen(string),
1667                                                         0);
1668                                                 int64_t min_x = total_x + text_w;
1669
1670
1671 // Update plugin toggles
1672                                                 int toggle_x = total_x + total_w;
1673                                                 int toggle_y = y;
1674                                                 toggle_x = MIN(get_w() - right_margin, toggle_x);
1675
1676 // On toggle
1677                                                 toggle_x -= PluginOn::calculate_w(mwindow) + 10;
1678                                                 if(toggle_x > min_x)
1679                                                 {
1680                                                         if(current_on >= plugin_on_toggles.total)
1681                                                         {
1682                                                                 PluginOn *plugin_on = new PluginOn(mwindow, toggle_x, toggle_y, plugin);
1683                                                                 add_subwindow(plugin_on);
1684                                                                 plugin_on_toggles.append(plugin_on);
1685                                                         }
1686                                                         else
1687                                                         {
1688                                                                 plugin_on_toggles.values[current_on]->update(toggle_x, toggle_y, plugin);
1689                                                         }
1690                                                         current_on++;
1691                                                 }
1692
1693 // Toggles for standalone plugins only
1694                                                 if(plugin->plugin_type == PLUGIN_STANDALONE)
1695                                                 {
1696 // Show
1697                                                         toggle_x -= PluginShow::calculate_w(mwindow) + 10;
1698                                                         if(toggle_x > min_x)
1699                                                         {
1700                                                                 if(current_show >= plugin_show_toggles.total)
1701                                                                 {
1702                                                                         PluginShow *plugin_show = new PluginShow(mwindow, toggle_x, toggle_y, plugin);
1703                                                                         add_subwindow(plugin_show);
1704                                                                         plugin_show_toggles.append(plugin_show);
1705                                                                 }
1706                                                                 else
1707                                                                 {
1708                                                                         plugin_show_toggles.values[current_show]->update(toggle_x, toggle_y, plugin);
1709                                                                 }
1710                                                                 current_show++;
1711                                                         }
1712
1713
1714
1715                                                 }
1716                                         }
1717                                 }
1718                         }
1719                 }
1720         }
1721
1722 // Remove unused toggles
1723
1724         while(current_show < plugin_show_toggles.total)
1725         {
1726                 plugin_show_toggles.remove_object_number(current_show);
1727         }
1728
1729         while(current_on < plugin_on_toggles.total)
1730         {
1731                 plugin_on_toggles.remove_object_number(current_on);
1732         }
1733
1734 }
1735
1736 void TrackCanvas::refresh_plugintoggles()
1737 {
1738         for(int i = 0; i < plugin_on_toggles.total; i++)
1739         {
1740                 PluginOn *on = plugin_on_toggles.values[i];
1741                 on->reposition_window(on->get_x(), on->get_y());
1742         }
1743         for(int i = 0; i < plugin_show_toggles.total; i++)
1744         {
1745                 PluginShow *show = plugin_show_toggles.values[i];
1746                 show->reposition_window(show->get_x(), show->get_y());
1747         }
1748 }
1749
1750 void TrackCanvas::draw_inout_points()
1751 {
1752 }
1753
1754
1755 void TrackCanvas::draw_drag_handle()
1756 {
1757         if(mwindow->session->current_operation == DRAG_EDITHANDLE2 ||
1758                 mwindow->session->current_operation == DRAG_PLUGINHANDLE2)
1759         {
1760 //printf("TrackCanvas::draw_drag_handle 1 %ld %ld\n", mwindow->session->drag_sample, mwindow->edl->local_session->view_start);
1761                 int64_t pixel1 = Units::round(mwindow->session->drag_position *
1762                         mwindow->edl->session->sample_rate /
1763                         mwindow->edl->local_session->zoom_sample -
1764                         mwindow->edl->local_session->view_start[pane->number]);
1765 //printf("TrackCanvas::draw_drag_handle 2 %d %jd\n", pane->number, pixel1);
1766                 set_color(GREEN);
1767                 set_inverse();
1768 //printf("TrackCanvas::draw_drag_handle 3\n");
1769                 draw_line(pixel1, 0, pixel1, get_h());
1770                 set_opaque();
1771 //printf("TrackCanvas::draw_drag_handle 4\n");
1772         }
1773 }
1774
1775
1776 void TrackCanvas::draw_transitions()
1777 {
1778         int64_t x, y, w, h;
1779
1780 //      if(!mwindow->edl->session->show_assets) return;
1781
1782         for(Track *track = mwindow->edl->tracks->first; track; track = track->next) {
1783                 for(Edit *edit = track->edits->first; edit; edit = edit->next) {
1784                         if(!edit->transition) continue;
1785                         edit_dimensions(edit, x, y, w, h);
1786                         int strip_x = x, strip_y = y;
1787                         if(mwindow->edl->session->show_titles)
1788                                 strip_y += mwindow->theme->get_image("title_bg_data")->get_h();
1789                         get_transition_coords(x, y, w, h);
1790                         int strip_w = Units::round(edit->track->from_units(edit->transition->length) *
1791                                 mwindow->edl->session->sample_rate / mwindow->edl->local_session->zoom_sample);
1792                         if( MWindowGUI::visible(x, x + w, 0, get_w()) &&
1793                                 MWindowGUI::visible(y, y + h, 0, get_h()) )
1794                         {
1795                                 PluginServer *server = mwindow->scan_plugindb(edit->transition->title,
1796                                                 track->data_type);
1797                                 if( !server ) continue;
1798                                 VFrame *picon = server->get_picon();
1799                                 if( !picon ) continue;
1800                                 draw_vframe(picon, x, y, w, h, 0, 0, picon->get_w(), picon->get_h());
1801                         }
1802                         if(MWindowGUI::visible(strip_x, strip_x + strip_w, 0, get_w()) &&
1803                                 MWindowGUI::visible(strip_y, strip_y + h, 0, get_h()))
1804                         {
1805                                 int x = strip_x, w = strip_w;
1806                                 if(x < 0)
1807                                 {
1808                                         w -= -x;
1809                                         x = 0;
1810                                 }
1811                                 if(w + x > get_w()) w -= (w + x) - get_w();
1812
1813                                 draw_3segmenth( x, strip_y, w, strip_x, strip_w,
1814                                         mwindow->theme->get_image("plugin_bg_data"), 0);
1815                         }
1816                 }
1817         }
1818 }
1819
1820 void TrackCanvas::draw_loop_points()
1821 {
1822 //printf("TrackCanvas::draw_loop_points 1\n");
1823         if(mwindow->edl->local_session->loop_playback)
1824         {
1825 //printf("TrackCanvas::draw_loop_points 2\n");
1826                 int64_t x = Units::round(mwindow->edl->local_session->loop_start *
1827                         mwindow->edl->session->sample_rate /
1828                         mwindow->edl->local_session->zoom_sample -
1829                         mwindow->edl->local_session->view_start[pane->number]);
1830 //printf("TrackCanvas::draw_loop_points 3\n");
1831
1832                 if(MWindowGUI::visible(x, x + 1, 0, get_w()))
1833                 {
1834                         set_color(GREEN);
1835                         draw_line(x, 0, x, get_h());
1836                 }
1837 //printf("TrackCanvas::draw_loop_points 4\n");
1838
1839                 x = Units::round(mwindow->edl->local_session->loop_end *
1840                         mwindow->edl->session->sample_rate /
1841                         mwindow->edl->local_session->zoom_sample -
1842                         mwindow->edl->local_session->view_start[pane->number]);
1843 //printf("TrackCanvas::draw_loop_points 5\n");
1844
1845                 if(MWindowGUI::visible(x, x + 1, 0, get_w()))
1846                 {
1847                         set_color(GREEN);
1848                         draw_line(x, 0, x, get_h());
1849                 }
1850 //printf("TrackCanvas::draw_loop_points 6\n");
1851         }
1852 //printf("TrackCanvas::draw_loop_points 7\n");
1853 }
1854
1855 void TrackCanvas::draw_brender_start()
1856 {
1857         if(mwindow->preferences->use_brender)
1858         {
1859                 int64_t x = Units::round(mwindow->edl->session->brender_start *
1860                         mwindow->edl->session->sample_rate /
1861                         mwindow->edl->local_session->zoom_sample -
1862                         mwindow->edl->local_session->view_start[pane->number]);
1863
1864                 if(MWindowGUI::visible(x, x + 1, 0, get_w()))
1865                 {
1866                         set_color(RED);
1867                         draw_line(x, 0, x, get_h());
1868                 }
1869         }
1870 }
1871
1872 // The operations which correspond to each automation type
1873 int TrackCanvas::auto_operations[AUTOMATION_TOTAL] =
1874 {
1875         DRAG_MUTE,
1876         DRAG_CAMERA_X,
1877         DRAG_CAMERA_Y,
1878         DRAG_CAMERA_Z,
1879         DRAG_PROJECTOR_X,
1880         DRAG_PROJECTOR_Y,
1881         DRAG_PROJECTOR_Z,
1882         DRAG_FADE,
1883         DRAG_PAN,
1884         DRAG_MODE,
1885         DRAG_MASK,
1886         DRAG_SPEED
1887 };
1888
1889 // The buttonpress operations, so nothing changes unless the mouse moves
1890 // a certain amount.  This allows the keyframe to be used to position the
1891 // insertion point without moving itself.
1892 static int pre_auto_operations[AUTOMATION_TOTAL] =
1893 {
1894         DRAG_MUTE,
1895         DRAG_CAMERA_X,
1896         DRAG_CAMERA_Y,
1897         DRAG_CAMERA_Z,
1898         DRAG_PROJECTOR_X,
1899         DRAG_PROJECTOR_Y,
1900         DRAG_PROJECTOR_Z,
1901         DRAG_FADE,
1902         DRAG_PAN_PRE,
1903         DRAG_MODE_PRE,
1904         DRAG_MASK_PRE,
1905         DRAG_SPEED
1906 };
1907
1908
1909 int TrackCanvas::do_keyframes(int cursor_x,
1910         int cursor_y,
1911         int draw,
1912         int buttonpress,
1913         int &new_cursor,
1914         int &update_cursor,
1915         int &rerender)
1916 {
1917 // Note: button 3 (right mouse button) is not eaten to allow
1918 // track context menu to appear
1919         int result = 0;
1920         EDLSession *session = mwindow->edl->session;
1921
1922
1923
1924         static BC_Pixmap *auto_pixmaps[AUTOMATION_TOTAL] =
1925         {
1926                 0, 0, 0, 0, 0, 0, 0, 0,
1927                 pankeyframe_pixmap,
1928                 modekeyframe_pixmap,
1929                 maskkeyframe_pixmap,
1930         };
1931
1932
1933
1934         for(Track *track = mwindow->edl->tracks->first;
1935                 track && !result;
1936                 track = track->next) {
1937                 Auto *auto_keyframe = 0;
1938                 Automation *automation = track->automation;
1939
1940
1941 // Handle keyframes in reverse drawing order if a button press
1942                 int start = 0;
1943                 int end = AUTOMATION_TOTAL;
1944                 int step = 1;
1945                 if(buttonpress)
1946                 {
1947                         start = AUTOMATION_TOTAL - 1;
1948                         end = -1;
1949                         step = -1;
1950                 }
1951                 for(int i = start; i != end && !result; i += step)
1952                 {
1953 // Event not trapped and automation visible
1954                         Autos *autos = automation->autos[i];
1955                         if(!result && session->auto_conf->autos[i] && autos) {
1956                                 switch(i) {
1957                                 case AUTOMATION_MODE:
1958                                 case AUTOMATION_PAN:
1959                                 case AUTOMATION_MASK:
1960                                         result = do_autos(track, automation->autos[i],
1961                                                 cursor_x, cursor_y, draw,
1962                                                 buttonpress, auto_pixmaps[i],
1963                                                 auto_keyframe, rerender);
1964                                                 break;
1965
1966                                 default: {
1967                                         switch(autos->get_type()) {
1968                                         case Autos::AUTOMATION_TYPE_FLOAT: {
1969                                                 Automation automation(0, track);
1970                                                 int grouptype = automation.autogrouptype(i, track);
1971                                                 if(draw) // Do dropshadow
1972                                                         result = do_float_autos(track, autos,
1973                                                                 cursor_x, cursor_y, draw,
1974                                                                 buttonpress, 1, 1, MDGREY,
1975                                                                 auto_keyframe, grouptype);
1976
1977                                                 result = do_float_autos(track, autos,
1978                                                         cursor_x, cursor_y, draw, buttonpress,
1979                                                         0, 0, GWindowGUI::auto_colors[i],
1980                                                         auto_keyframe, grouptype);
1981                                                 break; }
1982
1983                                         case Autos::AUTOMATION_TYPE_INT: {
1984                                                 if(draw) // Do dropshadow
1985                                                         result = do_int_autos(track, autos,
1986                                                                 cursor_x, cursor_y, draw,
1987                                                                 buttonpress, 1, 1, MDGREY,
1988                                                                 auto_keyframe);
1989                                                 result = do_int_autos(track, autos,
1990                                                         cursor_x, cursor_y, draw, buttonpress,
1991                                                         0, 0, GWindowGUI::auto_colors[i],
1992                                                         auto_keyframe);
1993                                                 break; }
1994                                         }
1995                                         break; }
1996                                 }
1997
1998                                 if(result)
1999                                 {
2000                                         if(mwindow->session->current_operation == auto_operations[i])
2001                                                 rerender = 1;
2002
2003 // printf("TrackCanvas::do_keyframes %d %d %d\n",
2004 // __LINE__,
2005 // mwindow->session->current_operation,
2006 // auto_operations[i]);
2007                                         if(buttonpress)
2008                                         {
2009                                                 if (buttonpress != 3)
2010                                                 {
2011                                                         if(i == AUTOMATION_FADE || i == AUTOMATION_SPEED)
2012                                                                 synchronize_autos(0,
2013                                                                         track,
2014                                                                         (FloatAuto*)mwindow->session->drag_auto,
2015                                                                         1);
2016                                                         mwindow->session->current_operation = pre_auto_operations[i];
2017                                                         update_drag_caption();
2018                                                         rerender = 1;
2019                                                 }
2020                                                 else if( auto_keyframe )
2021                                                 {
2022                                                         gui->keyframe_menu->update(automation,
2023                                                                 autos,
2024                                                                 auto_keyframe);
2025                                                         gui->keyframe_menu->activate_menu();
2026                                                         rerender = 1; // the position changes
2027                                                 }
2028                                                 else if( autos )
2029                                                 {
2030                                                         gui->keyframe_hide->update(autos);
2031                                                         gui->keyframe_hide->activate_menu();
2032                                                         rerender = 1; // the position changes
2033                                                 }
2034                                                 if(buttonpress == 1 && ctrl_down() &&
2035                                                    AUTOMATION_TYPE_FLOAT == autos->get_type())
2036                                                         rerender = 1; // special case: curve mode changed
2037                                         }
2038                                 }
2039                         }
2040                 }
2041
2042                 if(!result &&
2043                         session->auto_conf->plugins /* &&
2044                         mwindow->edl->session->show_assets */) {
2045                         Plugin *plugin;
2046                         KeyFrame *keyframe;
2047                         result = do_plugin_autos(track, cursor_x, cursor_y,
2048                                 draw, buttonpress, plugin, keyframe);
2049                         if(result && mwindow->session->current_operation == DRAG_PLUGINKEY) {
2050                                 rerender = 1;
2051                         }
2052                         if(result && (buttonpress == 1)) {
2053                                 mwindow->session->current_operation = DRAG_PLUGINKEY_PRE;
2054                                 update_drag_caption();
2055                                 rerender = 1;
2056                         }
2057                         else if (result && (buttonpress == 3)) {
2058                                 gui->keyframe_menu->update(plugin, keyframe);
2059                                 gui->keyframe_menu->activate_menu();
2060                                 rerender = 1; // the position changes
2061                         }
2062                 }
2063         }
2064
2065 // Final pass to trap event
2066         for(int i = 0; i < AUTOMATION_TOTAL; i++) {
2067                 if(mwindow->session->current_operation == pre_auto_operations[i] ||
2068                         mwindow->session->current_operation == auto_operations[i]) {
2069                         result = 1;
2070                         break;
2071                 }
2072         }
2073
2074         if(mwindow->session->current_operation == DRAG_PLUGINKEY ||
2075                 mwindow->session->current_operation == DRAG_PLUGINKEY_PRE) {
2076                 result = 1;
2077         }
2078
2079         update_cursor = 1;
2080         if(result) {
2081                 new_cursor = UPRIGHT_ARROW_CURSOR;
2082         }
2083
2084
2085         return result;
2086 }
2087
2088 void TrackCanvas::draw_keyframe_reticle()
2089 {
2090         int keyframe_hairline = mwindow->preferences->keyframe_reticle;
2091         if( keyframe_hairline == HAIRLINE_NEVER ) return;
2092
2093         int current_op = mwindow->session->current_operation, dragging = 0;
2094         for( int i=0; !dragging && i<AUTOMATION_TOTAL; ++i )
2095                 if( current_op == auto_operations[i] ) dragging = 1;
2096
2097         if( keyframe_hairline == HAIRLINE_DRAGGING && dragging ) {
2098                 if( mwindow->session->drag_auto && get_buttonpress() == 1 ) {
2099                         draw_hairline(mwindow->session->drag_auto, RED);
2100                         return;
2101                 }
2102         }
2103
2104         if( keyframe_hairline == HAIRLINE_ALWAYS || ( get_buttonpress() == 2 &&
2105             keyframe_hairline == HAIRLINE_DRAGGING && dragging ) ) {
2106                 for( Track *track = mwindow->edl->tracks->first; track;
2107                      track=track->next ) {
2108                         Automation *automation = track->automation;
2109                         for( int i=0; i<AUTOMATION_TOTAL; ++i ) {
2110                                 if( !mwindow->edl->session->auto_conf->autos[i] ) continue;
2111                                 // automation visible
2112                                 Autos *autos = automation->autos[i];
2113                                 if( !autos ) continue;
2114                                 for( Auto *auto_keyframe=autos->first; auto_keyframe;
2115                                      auto_keyframe = auto_keyframe->next ) {
2116                                         draw_hairline(auto_keyframe, GREEN);
2117                                 }
2118                         }
2119
2120                         if( dragging && mwindow->session->drag_auto ) {
2121                                 draw_hairline(mwindow->session->drag_auto, RED);
2122                         }
2123                 }
2124         }
2125 }
2126
2127 void TrackCanvas::draw_auto(Auto *current,
2128         int x,
2129         int y,
2130         int center_pixel,
2131         int zoom_track)
2132 {
2133         int x1, y1, x2, y2;
2134
2135         x1 = x - HANDLE_W / 2;
2136         x2 = x + HANDLE_W / 2;
2137         y1 = center_pixel + y - HANDLE_W / 2;
2138         y2 = center_pixel + y + HANDLE_W / 2;
2139
2140         if(y1 < center_pixel + -zoom_track / 2) y1 = center_pixel + -zoom_track / 2;
2141         if(y2 > center_pixel + zoom_track / 2) y2 = center_pixel + zoom_track / 2;
2142
2143         draw_box(x1, y1, x2 - x1, y2 - y1);
2144 }
2145
2146
2147 // This draws lines for bezier in & out controls
2148 void TrackCanvas::draw_cropped_line(int x1,
2149         int y1,
2150         int x2,
2151         int y2,
2152         int min_y,
2153         int max_y)
2154 {
2155
2156
2157 // Don't care about x since it is clipped by the window.
2158 // Put y coords in ascending order
2159         if(y2 < y1) {
2160                 y2 ^= y1; y1 ^= y2; y2 ^= y1;
2161                 x2 ^= x1; x1 ^= x2; x2 ^= x1;
2162         }
2163
2164
2165
2166         double slope = (double)(x2 - x1) / (y2 - y1);
2167 //printf("TrackCanvas::draw_cropped_line %d %d %d %d %d\n", __LINE__, x1, y1, x2, y2);
2168         if(y1 < min_y) {
2169                 x1 = (int)(x1 + (min_y - y1) * slope);
2170                 y1 = min_y;
2171         }
2172         else if(y1 >= max_y) {
2173                 x1 = (int)(x1 + (max_y - 1 - y1) * slope);
2174                 y1 = max_y - 1;
2175         }
2176
2177         if(y2 >= max_y) {
2178                 x2 = (int)(x2 + (max_y - 1 - y2) * slope);
2179                 y2 = max_y - 1;
2180         }
2181         else if(y2 < min_y) {
2182                 x2 = (int)(x2 + (min_y - y2) * slope);
2183                 y1 = min_y;
2184         }
2185
2186
2187 //printf("TrackCanvas::draw_cropped_line %d %d %d %d %d\n", __LINE__, x1, y1, x2, y2);
2188         if( y1 >= min_y && y1 < max_y &&
2189             y2 >= min_y && y2 < max_y )
2190                 draw_line(x1, y1, x2, y2);
2191 }
2192
2193
2194 void TrackCanvas::draw_floatauto(FloatAuto *current,
2195         int x,
2196         int y,
2197         int in_x,
2198         int in_y,
2199         int out_x,
2200         int out_y,
2201         int center_pixel,
2202         int zoom_track,
2203         int color)
2204 {
2205         int x1 = x - HANDLE_W / 2; // Center
2206         int x2 = x + HANDLE_W / 2;
2207         int y1 = center_pixel + y - HANDLE_H / 2;
2208         int y2 = center_pixel + y + HANDLE_H / 2;
2209         int ymin = center_pixel - zoom_track / 2;
2210         int ymax = center_pixel + zoom_track / 2;
2211         CLAMP(y1, ymin, ymax);
2212         CLAMP(y2, ymin, ymax);
2213
2214         if(y2 - 1 > y1)
2215         {
2216                 set_color(BLACK);
2217                 draw_box(x1 + 1, y1 + 1, x2 - x1, y2 - y1);
2218                 set_color(color);
2219                 draw_box(x1, y1, x2 - x1, y2 - y1);
2220         }
2221
2222 // show bezier control points (only) if this
2223 // floatauto doesn't adjust it's tangents automatically
2224         if(current->curve_mode != FloatAuto::FREE &&
2225            current->curve_mode != FloatAuto::TFREE)
2226                 return;
2227
2228         if(in_x != x)
2229                 draw_floatauto_ctrlpoint(x, y, in_x, in_y, center_pixel, zoom_track, color);
2230         if(out_x != x)
2231                 draw_floatauto_ctrlpoint(x, y, out_x, out_y, center_pixel, zoom_track, color);
2232 }
2233
2234 inline int quantize(float f) { return (int)floor(f + 0.5); }
2235
2236 inline void TrackCanvas::draw_floatauto_ctrlpoint(
2237         int x, int y, int cp_x, int cp_y, int center_pixel,
2238         int zoom_track, int color)
2239 // draw the tangent and a handle for given bézier ctrl point
2240 {
2241         bool handle_visible = (abs(cp_y) <= zoom_track / 2);
2242
2243         float slope = (float)(cp_y - y)/(cp_x - x);
2244         CLAMP(cp_y, -zoom_track / 2, zoom_track / 2);
2245         if(slope != 0)
2246                 cp_x = x + quantize((cp_y - y) / slope);
2247
2248         y    += center_pixel;
2249         cp_y += center_pixel;
2250
2251         // drawing the tangent as a dashed line...
2252         int const dash = HANDLE_W;
2253         int const gap  = HANDLE_W / 2;
2254         float sx = 3 * (cp_x - x) / 4.;
2255         float ex = 0;
2256
2257         // q is the x displacement for a unit line of slope
2258         float q = (sx > 0 ? 1 : -1) / sqrt(1 + slope * slope);
2259
2260         float dist = 1/q * sx;
2261         if( dist > dash )
2262                 ex = sx - q * dash;
2263
2264         set_color(color);
2265         do {
2266                 float sy = slope * sx, ey = slope * ex;
2267                 draw_line(quantize(sx + x), quantize(sy + y), quantize(ex + x), quantize(ey + y));
2268                 sx = ex - q * gap;
2269                 ex = sx - q * dash;
2270         } while(q*ex > 0);
2271
2272         if(handle_visible)
2273         {
2274                 int r = HANDLE_W / 2;
2275                 int cp_x1 = cp_x - r;
2276                 int cp_y1 = cp_y - r;
2277                 set_color(BLACK);
2278                 draw_disc(cp_x1, cp_y1, 2 * r, 2 * r);
2279                 set_color(color);
2280                 draw_circle(cp_x1, cp_y1, 2 * r, 2 * r);
2281         }
2282 }
2283
2284
2285 int TrackCanvas::test_auto(Auto *current,
2286         int x, int y, int center_pixel, int zoom_track,
2287         int cursor_x, int cursor_y, int buttonpress)
2288 {
2289         int x1, y1, x2, y2;
2290         int result = 0;
2291
2292         x1 = x - HANDLE_W / 2;
2293         x2 = x + HANDLE_W / 2;
2294         y1 = center_pixel + y - HANDLE_H / 2;
2295         y2 = center_pixel + y + HANDLE_H / 2;
2296         int ymin = center_pixel - zoom_track / 2;
2297         int ymax = center_pixel + zoom_track / 2;
2298         CLAMP(y1, ymin, ymax);
2299         CLAMP(y2, ymin, ymax);
2300
2301         if(cursor_x >= x1 && cursor_x < x2 && cursor_y >= y1 && cursor_y < y2)
2302         {
2303                 if(buttonpress && buttonpress != 3)
2304                 {
2305                         mwindow->session->drag_auto = current;
2306                         mwindow->session->drag_start_percentage = (float)((IntAuto*)current)->value;
2307                         // Toggle Autos don't respond to vertical zoom, they always show up
2308                         // with "on" == 100% == line on top
2309                         mwindow->session->drag_start_position = current->position;
2310                         mwindow->session->drag_origin_x = cursor_x;
2311                         mwindow->session->drag_origin_y = cursor_y;
2312                 }
2313                 result = 1;
2314         }
2315
2316         if(buttonpress && buttonpress != 3 && result)
2317         {
2318 //printf("TrackCanvas::test_auto %d\n", __LINE__);
2319                 mwindow->undo->update_undo_before();
2320         }
2321
2322         return result;
2323 }
2324
2325 // some Helpers for test_floatauto(..)
2326 // and for dragging the tangents/ctrl points
2327 inline float test_curve_line( int x0, int y0, int ctrl_x, int ctrl_y,
2328         float cursor_x, float cursor_y)
2329 {
2330 // Control point switched off?
2331         if( x0 == ctrl_x ) return 0.0;
2332         double x1 = ctrl_x-x0, y1 = ctrl_y-y0;
2333         double x = cursor_x-x0, y = cursor_y-y0;
2334 // wrong side of ctrl handle
2335         if( x*x1 < 0 ) return 0.0;
2336 // outside handle radius
2337         if( (x*x + y*y) > (x1*x1 + y1*y1) ) return 0;
2338         double xx1 = x1*x1, yy1 = y1*y1;
2339         double xx = x*x, yy = y*y;
2340 // distance squared from cursor to cursor projected to line from ctrl to handle
2341 //   along a line perpendicular to line from ctrl to handle (closest approach)
2342 // (x**2*y1**2 - 2*x*x1*y*y1 + x1**2*y**2)/(x1**2 + y1**2)
2343         double dist2 = (xx*yy1 - 2*x*x1*y*y1 + xx1*yy)/(xx1 + yy1);
2344         return dist2 < (HANDLE_W*HANDLE_W)/4. ? x/x1 : 0.;
2345 }
2346
2347
2348 inline
2349 float levered_position(float position, float ref_pos)
2350 {
2351         if( 1e-6 > fabs(ref_pos) || isnan(ref_pos))
2352                 return 0.0;
2353         return ref_pos / position;
2354 }
2355
2356
2357 float TrackCanvas::value_to_percentage(float auto_value, int autogrouptype)
2358 // transforms automation value into current display coords,
2359 // dependant on current automation display range for the given kind of automation
2360 {
2361         if(!mwindow || !mwindow->edl) return 0;
2362         float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
2363         float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
2364         float automation_range = automation_max - automation_min;
2365         if( 0 >= automation_range || isnan(auto_value) || isinf(auto_value) )
2366                 return 0;
2367         return (auto_value - automation_min) / automation_range;
2368 }
2369
2370
2371
2372 int TrackCanvas::test_floatauto(FloatAuto *current, int x, int y, int in_x,
2373         int in_y, int out_x, int out_y, int center_pixel, int zoom_track,
2374         int cursor_x, int cursor_y, int buttonpress, int autogrouptype)
2375 {
2376         int result = 0;
2377
2378         int x1 = x - HANDLE_W / 2;
2379         int x2 = x + HANDLE_W / 2;
2380         int y1 = center_pixel + y - HANDLE_W / 2;
2381         int y2 = center_pixel + y + HANDLE_W / 2;
2382         int ymin = center_pixel - zoom_track / 2;
2383         int ymax = center_pixel + zoom_track / 2;
2384         CLAMP(y1, ymin, ymax);
2385         CLAMP(y2, ymin, ymax);
2386
2387         int in_x1 = in_x - HANDLE_W / 2;
2388         int in_x2 = in_x + HANDLE_W / 2;
2389         int in_y1 = center_pixel + in_y - HANDLE_W / 2;
2390         int in_y2 = center_pixel + in_y + HANDLE_W / 2;
2391         CLAMP(in_y1, ymin, ymax);
2392         CLAMP(in_y2, ymin, ymax);
2393
2394         int out_x1 = out_x - HANDLE_W / 2;
2395         int out_x2 = out_x + HANDLE_W / 2;
2396         int out_y1 = center_pixel + out_y - HANDLE_W / 2;
2397         int out_y2 = center_pixel + out_y + HANDLE_W / 2;
2398         CLAMP(out_y1, ymin, ymax);
2399         CLAMP(out_y2, ymin, ymax);
2400
2401
2402 //printf("TrackCanvas::test_floatauto %d %d %d %d %d %d\n", cursor_x, cursor_y, x1, x2, y1, y2);
2403 // buttonpress could be the start of a drag operation
2404 #define INIT_DRAG(POS,VAL) \
2405                 mwindow->session->drag_auto = current;      \
2406                 mwindow->session->drag_origin_x = cursor_x;  \
2407                 mwindow->session->drag_origin_y = cursor_y;   \
2408                 mwindow->session->drag_start_position = (POS); \
2409                 mwindow->session->drag_start_percentage = (VAL);
2410
2411 #define WITHIN(X1,X2,Y1,Y2) (cursor_x >=(X1) && cursor_x <(X2) && cursor_y >=(Y1) && cursor_y <(Y2) )
2412
2413
2414 // without modifier we are manipulating the automation node
2415 // with ALT it's about dragging only the value of the node
2416 // with SHIFT the value snaps to the value of neighbouring nodes
2417 // CTRL indicates we are rather manipulating the tangent(s) of the node
2418
2419         if(!ctrl_down())
2420         {
2421                 if( WITHIN(x1,x2,y1,y2))
2422                 {       // cursor hits node
2423                         result = 1;
2424
2425                         if(buttonpress && (buttonpress != 3))
2426                         {
2427                                 INIT_DRAG(current->position, value_to_percentage(current->get_value(), autogrouptype))
2428                                 mwindow->session->drag_handle = 0;
2429                 }       }
2430         }
2431         else // ctrl_down()
2432         {
2433                 if( WITHIN(x1,x2,y1,y2))
2434                 {
2435                         result = 1;
2436                         if(buttonpress && (buttonpress != 3))
2437                         {
2438                                 // could be ctrl-click or ctrl-drag
2439                                 // click would cycle through tangent modes
2440                                 ((FloatAuto*)current)->toggle_curve_mode();
2441
2442                                 // drag will start dragging the tangent, if applicable
2443                                 INIT_DRAG(current->position, value_to_percentage(current->get_value(), autogrouptype))
2444                                 mwindow->session->drag_handle = 0;
2445                         }
2446                 }
2447
2448                 float lever = 0.0; // we use the tangent as a draggable lever. 1.0 is at the ctrl point
2449
2450 // Test in control
2451                 if( in_x != x && current->position > 0 &&
2452                         (FloatAuto::FREE == current->curve_mode ||
2453                          FloatAuto::TFREE == current->curve_mode))
2454 // act on in control handle only if
2455 // tangent is significant and is editable (not automatically choosen)
2456                 {
2457                         lever = test_curve_line(x, y, in_x, in_y, cursor_x, cursor_y-center_pixel);
2458  // either cursor in ctrl-point handle or cursor on tangent line
2459                         if( WITHIN(in_x1,in_x2,in_y1,in_y2) || lever > 0.0 ) {
2460                                 result = 1;
2461                                 if(buttonpress && (buttonpress != 3)) {
2462                                         if(lever == 0.0) lever=1.0; // we entered by dragging the handle...
2463 //                                      lever = 1.0;
2464                                         mwindow->session->drag_handle = 1;
2465                                         float new_invalue = current->get_value() + lever * current->get_control_in_value();
2466                                         INIT_DRAG(current->position + (int64_t)(lever * current->get_control_in_position()),
2467                                                   value_to_percentage(new_invalue, autogrouptype))
2468                                 }
2469                         }
2470                 }
2471
2472 // Test out control
2473                 if(out_x != x &&
2474                         (FloatAuto::FREE == current->curve_mode ||
2475                          FloatAuto::TFREE == current->curve_mode))
2476 // act on out control only if tangent is significant and is editable
2477                 {
2478                         lever = test_curve_line(x, y, out_x, out_y, cursor_x, cursor_y-center_pixel);
2479                         if(WITHIN(out_x1,out_x2,out_y1,out_y2) || lever > 0.0 ) {
2480                                 result = 1;
2481                                 if(buttonpress && (buttonpress != 3)) {
2482                                         if(lever == 0.0) lever=1.0;
2483 //                                      lever = 1.0;
2484                                         mwindow->session->drag_handle = 2;
2485                                         float new_outvalue = current->get_value() + lever * current->get_control_out_value();
2486                                         INIT_DRAG(current->position + (int64_t)(lever * current->get_control_out_position()),
2487                                                   value_to_percentage(new_outvalue, autogrouptype))
2488                                 }
2489                         }
2490                 }
2491         } // end ctrl_down()
2492
2493 #undef WITHIN
2494 #undef INIT_DRAG
2495
2496 // if(buttonpress)
2497 // printf("TrackCanvas::test_floatauto 2 drag_handle=%d ctrl_down=%d cursor_x=%d cursor_y=%d x1=%d x2=%d y1=%d y2=%d\n",
2498 // mwindow->session->drag_handle,
2499 // ctrl_down(),
2500 // cursor_x,
2501 // cursor_y,
2502 // x1, x2, y1, y2);
2503         if(buttonpress && (buttonpress != 3) && result)
2504         {
2505                 mwindow->undo->update_undo_before();
2506         }
2507
2508         return result;
2509 }
2510
2511
2512 // Get the float value & y for position x on the canvas
2513 #define X_TO_FLOATLINE(x) \
2514         int64_t position1 = (int64_t)(unit_start + x * zoom_units); \
2515         int64_t position2 = (int64_t)(unit_start + x * zoom_units) + 1; \
2516 /* Call by reference fails for some reason here */ \
2517         float value1 = autos->get_value(position1, PLAY_FORWARD, previous1, next1); \
2518         float value2 = autos->get_value(position2, PLAY_FORWARD, previous1, next1); \
2519         double position = unit_start + x * zoom_units; \
2520         double value = 0; \
2521         if(position2 > position1) \
2522         { \
2523                 value = value1 + \
2524                         (value2 - value1) * \
2525                         (position - position1) / \
2526                         (position2 - position1); \
2527         } \
2528         else \
2529         { \
2530                 value = value1; \
2531         } \
2532         AUTOMATIONCLAMPS(value, autogrouptype); \
2533         int y = center_pixel + \
2534                 (int)(((value - automation_min) / automation_range - 0.5) * -yscale);
2535
2536
2537 void TrackCanvas::draw_floatline(int center_pixel,
2538         FloatAuto *previous, FloatAuto *next, FloatAutos *autos,
2539         double unit_start, double zoom_units, double yscale,
2540         int x1, int y1, int x2, int y2,
2541         int color, int autogrouptype)
2542 {
2543 // Solve bezier equation for either every pixel or a certain large number of
2544 // points.
2545
2546 // Not using slope intercept
2547         x1 = MAX(0, x1);
2548         int prev_y = y1 + center_pixel;
2549
2550
2551 // Call by reference fails for some reason here
2552         FloatAuto *previous1 = previous, *next1 = next;
2553         float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
2554         float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
2555         float automation_range = automation_max - automation_min;
2556
2557         for(int x = x1; x < x2; x++)
2558         {
2559 // Interpolate value between frames
2560                 X_TO_FLOATLINE(x)
2561
2562                 if(/* x > x1 && */
2563                         y >= center_pixel - yscale / 2 &&
2564                         y < center_pixel + yscale / 2 - 1)
2565                 {
2566 // printf("TrackCanvas::draw_floatline y=%d min=%d max=%d\n",
2567 // y,
2568 // (int)(center_pixel - yscale / 2),
2569 // (int)(center_pixel + yscale / 2 - 1));
2570
2571 //printf("draw_line(%d,%d,  %d,%d)\n", x - 1, prev_y  , x, y);
2572                         draw_line(x - 1, prev_y  , x, y   );
2573                 }
2574                 prev_y = y;
2575         }
2576 }
2577
2578
2579
2580
2581
2582 int TrackCanvas::test_floatline(int center_pixel,
2583                 FloatAutos *autos,
2584                 double unit_start,
2585                 double zoom_units,
2586                 double yscale,
2587                 int x1,
2588                 int x2,
2589                 int cursor_x,
2590                 int cursor_y,
2591                 int buttonpress,
2592                 int autogrouptype)
2593 {
2594         int result = 0;
2595
2596
2597         float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
2598         float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
2599         float automation_range = automation_max - automation_min;
2600         FloatAuto *previous1 = 0, *next1 = 0;
2601         X_TO_FLOATLINE(cursor_x);
2602
2603         if(cursor_x >= x1 &&
2604                 cursor_x < x2 &&
2605                 cursor_y >= y - HANDLE_W / 2 &&
2606                 cursor_y < y + HANDLE_W / 2 &&
2607                 !ctrl_down())
2608         {
2609                 result = 1;
2610
2611 // Menu
2612                 if(buttonpress == 3)
2613                 {
2614                 }
2615                 else
2616 // Create keyframe
2617                 if(buttonpress)
2618                 {
2619                         Auto *current;
2620                         mwindow->undo->update_undo_before();
2621                         current = mwindow->session->drag_auto = autos->insert_auto(position1);
2622                         ((FloatAuto*)current)->set_value(value);
2623                         mwindow->session->drag_start_percentage = value_to_percentage(value, autogrouptype);
2624                         mwindow->session->drag_start_position = current->position;
2625                         mwindow->session->drag_origin_x = cursor_x;
2626                         mwindow->session->drag_origin_y = cursor_y;
2627                         mwindow->session->drag_handle = 0;
2628                 }
2629         }
2630
2631
2632         return result;
2633 }
2634
2635
2636 void TrackCanvas::synchronize_autos(float change,
2637                 Track *skip, FloatAuto *fauto, int fill_gangs)
2638 {
2639 // Handles the special case of modifying a fadeauto
2640 // when there are ganged faders on several tracks
2641 // (skip and fauto may be NULL if fill_gangs==-1)
2642
2643         if( fill_gangs > 0 && skip->gang ) {
2644                 double position = skip->from_units(fauto->position);
2645                 int autoidx = fauto->autos->autoidx;
2646
2647                 for(Track *current = mwindow->edl->tracks->first; current; current = NEXT) {
2648                         if( (current->data_type == skip->data_type || get_double_click()) &&
2649                             current->gang && current->record && current != skip ) {
2650                                 int64_t current_position = current->to_units(position, 1);
2651                                 FloatAutos *fade_autos = (FloatAutos*)current->automation->autos[autoidx];
2652                                 float auto_min = mwindow->edl->local_session->automation_mins[fade_autos->autogrouptype];
2653                                 float auto_max = mwindow->edl->local_session->automation_maxs[fade_autos->autogrouptype];
2654                                 FloatAuto *previous = 0, *next = 0;
2655                                 FloatAuto *keyframe = (FloatAuto*)fade_autos->get_auto_at_position(current_position);
2656                                 if( !keyframe ) {
2657 // create keyframe on neighbouring track at the point in time given by fauto
2658                                         float init_value = fade_autos->get_value(current_position, PLAY_FORWARD, previous, next);
2659                                         float new_value = init_value + change;
2660                                         CLAMP(new_value, auto_min, auto_max);
2661                                         keyframe = (FloatAuto*)fade_autos->insert_auto(current_position);
2662                                         keyframe->set_value(new_value);
2663                                 }
2664                                 else {
2665 // keyframe exists, just change it
2666                                         float new_value = keyframe->get_value() + change;
2667                                         CLAMP(new_value, auto_min, auto_max);
2668                                         keyframe->adjust_to_new_coordinates(current_position, new_value);
2669 // need to (re)set the position, as the existing node could be on a "equivalent" position (within half a frame)
2670                                 }
2671
2672                                 mwindow->session->drag_auto_gang->append((Auto *)keyframe);
2673                         }
2674                 }
2675         }
2676         else if( !fill_gangs ) {
2677                 double position = skip->from_units(fauto->position);
2678 // Move the gangs
2679                 for (int i = 0; i < mwindow->session->drag_auto_gang->total; i++) {
2680                         FloatAuto *keyframe = (FloatAuto *)mwindow->session->drag_auto_gang->values[i];
2681                         int64_t keyframe_position = keyframe->autos->track->to_units(position, 1);
2682                         float new_value = keyframe->get_value() + change;
2683                         CLAMP(new_value,
2684                               mwindow->edl->local_session->automation_mins[keyframe->autos->autogrouptype],
2685                               mwindow->edl->local_session->automation_maxs[keyframe->autos->autogrouptype]);
2686                         keyframe->adjust_to_new_coordinates(keyframe_position, new_value);
2687                 }
2688
2689         }
2690         else {
2691 // remove the gangs
2692                 for (int i = 0; i < mwindow->session->drag_auto_gang->total; i++) {
2693                         FloatAuto *keyframe = (FloatAuto *)mwindow->session->drag_auto_gang->values[i];
2694                         keyframe->autos->remove_nonsequential(
2695                                         keyframe);
2696                 }
2697                 mwindow->session->drag_auto_gang->remove_all();
2698         }
2699 }
2700
2701
2702 void TrackCanvas::draw_toggleline(int center_pixel,
2703         int x1,
2704         int y1,
2705         int x2,
2706         int y2)
2707 {
2708         draw_line(x1, center_pixel + y1, x2, center_pixel + y1);
2709
2710         if(y2 != y1)
2711         {
2712                 draw_line(x2, center_pixel + y1, x2, center_pixel + y2);
2713         }
2714 }
2715
2716 int TrackCanvas::test_toggleline(Autos *autos,
2717         int center_pixel,
2718         int x1,
2719         int y1,
2720         int x2,
2721         int y2,
2722         int cursor_x,
2723         int cursor_y,
2724         int buttonpress)
2725 {
2726         int result = 0;
2727         if(cursor_x >= x1 && cursor_x < x2)
2728         {
2729                 int miny = center_pixel + y1 - HANDLE_W / 2;
2730                 int maxy = center_pixel + y1 + HANDLE_W / 2;
2731                 if(cursor_y >= miny && cursor_y < maxy)
2732                 {
2733                         result = 1;
2734
2735 // Menu
2736                         if(buttonpress == 3)
2737                         {
2738                         }
2739                         else
2740 // Insert keyframe
2741                         if(buttonpress)
2742                         {
2743                                 Auto *current;
2744                                 double position = (double)(cursor_x +
2745                                                 mwindow->edl->local_session->view_start[pane->number]) *
2746                                         mwindow->edl->local_session->zoom_sample /
2747                                         mwindow->edl->session->sample_rate;
2748                                 int64_t unit_position = autos->track->to_units(position, 0);
2749                                 int new_value = (int)((IntAutos*)autos)->get_automation_constant(unit_position, unit_position);
2750
2751                                 mwindow->undo->update_undo_before();
2752
2753                                 current = mwindow->session->drag_auto = autos->insert_auto(unit_position);
2754                                 ((IntAuto*)current)->value = new_value;
2755                                 // Toggle Autos don't respond to vertical zoom, they always show up
2756                                 // with "on" == 100% == line on top
2757                                 mwindow->session->drag_start_percentage = (float)new_value;
2758                                 mwindow->session->drag_start_position = current->position;
2759                                 mwindow->session->drag_origin_x = cursor_x;
2760                                 mwindow->session->drag_origin_y = cursor_y;
2761                         }
2762                 }
2763         };
2764
2765         return result;
2766 }
2767
2768 void TrackCanvas::calculate_viewport(Track *track,
2769         double &view_start,   // Seconds
2770         double &unit_start,
2771         double &view_end,     // Seconds
2772         double &unit_end,
2773         double &yscale,
2774         int &center_pixel,
2775         double &zoom_sample,
2776         double &zoom_units)
2777 {
2778         view_start = (double)mwindow->edl->local_session->view_start[pane->number] *
2779                 mwindow->edl->local_session->zoom_sample /
2780                 mwindow->edl->session->sample_rate;
2781         unit_start = track->to_doubleunits(view_start);
2782         view_end = (double)(mwindow->edl->local_session->view_start[pane->number] +
2783                 get_w()) *
2784                 mwindow->edl->local_session->zoom_sample /
2785                 mwindow->edl->session->sample_rate;
2786         unit_end = track->to_doubleunits(view_end);
2787         yscale = mwindow->edl->local_session->zoom_track;
2788 //printf("TrackCanvas::calculate_viewport yscale=%.0f\n", yscale);
2789         center_pixel = (int)(track->y_pixel -
2790                         mwindow->edl->local_session->track_start[pane->number] +
2791                         yscale / 2) +
2792                 (mwindow->edl->session->show_titles ?
2793                         mwindow->theme->get_image("title_bg_data")->get_h() :
2794                         0);
2795         zoom_sample = mwindow->edl->local_session->zoom_sample;
2796
2797         zoom_units = track->to_doubleunits(zoom_sample / mwindow->edl->session->sample_rate);
2798 }
2799
2800 float TrackCanvas::percentage_to_value(float percentage,
2801         int is_toggle,
2802         Auto *reference,
2803         int autogrouptype)
2804 {
2805         float result;
2806         if(is_toggle)
2807         {
2808                 if(percentage > 0.5)
2809                         result = 1;
2810                 else
2811                         result = 0;
2812         }
2813         else
2814         {
2815                 float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
2816                 float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
2817                 float automation_range = automation_max - automation_min;
2818
2819                 result = percentage * automation_range + automation_min;
2820                 if(reference)
2821                 {
2822                         FloatAuto *ptr = (FloatAuto*)reference;
2823                         result -= ptr->get_value();
2824                 }
2825 //printf("TrackCanvas::percentage_to_value %d %f\n", __LINE__, result);
2826         }
2827         return result;
2828 }
2829
2830
2831 void TrackCanvas::calculate_auto_position(double *x, double *y,
2832         double *in_x, double *in_y, double *out_x, double *out_y,
2833         Auto *current, double unit_start, double zoom_units, double yscale,
2834         int autogrouptype)
2835 {
2836         float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
2837         float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
2838         float automation_range = automation_max - automation_min;
2839         FloatAuto *ptr = (FloatAuto*)current;
2840         *x = (double)(ptr->position - unit_start) / zoom_units;
2841         *y = ((ptr->get_value() - automation_min) / automation_range - 0.5) * -yscale;
2842
2843         if(in_x) {
2844 //              *in_x = EQUIV(ptr->control_in_value, 0.0) ? *x : *x - mwindow->theme->control_pixels;
2845                 *in_x = (double)(ptr->position + ptr->get_control_in_position() - unit_start) / zoom_units;
2846         }
2847
2848         if(in_y) {
2849                 *in_y = (((ptr->get_value() + ptr->get_control_in_value()) -
2850                                 automation_min) / automation_range - 0.5) * -yscale;
2851         }
2852
2853         if(out_x) {
2854 //              *out_x = EQUIV(ptr->control_out_value, 0.0) ? *x : *x + mwindow->theme->control_pixels;
2855                 *out_x = (double)(ptr->position + ptr->get_control_out_position() - unit_start) / zoom_units;
2856         }
2857
2858         if(out_y) {
2859                 *out_y = (((ptr->get_value() + ptr->get_control_out_value()) -
2860                                  automation_min) / automation_range - 0.5) * -yscale;
2861         }
2862 }
2863
2864
2865 int TrackCanvas::do_float_autos(Track *track, Autos *autos, int cursor_x, int cursor_y,
2866                 int draw, int buttonpress, int x_offset, int y_offset, int color,
2867                 Auto* &auto_instance, int autogrouptype)
2868 {
2869         int result = 0;
2870         int center_pixel, draw_auto;
2871         double view_start, unit_start;
2872         double view_end, unit_end, yscale;
2873         double zoom_sample, zoom_units;
2874         double in_x2, in_y2, out_x2, out_y2;
2875         double slope;
2876         //int skip = 0;
2877
2878         auto_instance = 0;
2879
2880         if(draw) set_color(color);
2881
2882         calculate_viewport(track, view_start, unit_start, view_end, unit_end,
2883                         yscale, center_pixel, zoom_sample, zoom_units);
2884
2885 // Get first auto before start
2886         Auto *current = 0, *previous = 0;
2887
2888         for( current = autos->last;
2889                 current && current->position >= unit_start;
2890                 current = PREVIOUS ) ;
2891
2892         Auto *first_auto = current ? current :
2893                  autos->first ? autos->first : autos->default_auto;
2894
2895         double ax = 0, ay = 0, ax2 = 0, ay2 = 0;
2896         if( first_auto ) {
2897                 calculate_auto_position(&ax, &ay, 0, 0, 0, 0,
2898                         first_auto, unit_start, zoom_units, yscale, autogrouptype);
2899         }
2900         if( current )
2901                 current = NEXT;
2902         else {
2903                 current = autos->first;
2904                 ax = 0;
2905         }
2906
2907         do {
2908                 //skip = 0;
2909                 draw_auto = 1;
2910
2911                 if(current) {
2912                         calculate_auto_position(&ax2, &ay2, &in_x2, &in_y2, &out_x2, &out_y2,
2913                                 current, unit_start, zoom_units, yscale, autogrouptype);
2914                 }
2915                 else {
2916                         ax2 = get_w();
2917                         ay2 = ay;
2918                         //skip = 1;
2919                 }
2920
2921                 slope = ax2 > ax ? (ay2 - ay) / (ax2 - ax) : 0;
2922
2923                 if(ax2 > get_w()) {
2924                         draw_auto = 0;
2925                         ax2 = get_w();
2926                         ay2 = ay + slope * (get_w() - ax);
2927                 }
2928
2929                 if(ax < 0) {
2930                         ay = ay + slope * (0 - ax);
2931                         ax = 0;
2932                 }
2933
2934 // Draw or test handle
2935                 if( current && !result && current != autos->default_auto ) {
2936                         if( !draw && track->record ) {
2937                                 result = test_floatauto((FloatAuto*)current, (int)ax2, (int)ay2,
2938                                         (int)in_x2, (int)in_y2, (int)out_x2, (int)out_y2,
2939                                         (int)center_pixel, (int)yscale, cursor_x, cursor_y,
2940                                         buttonpress, autogrouptype);
2941                                 if( result )
2942                                         auto_instance = current;
2943                         }
2944                         if( draw && draw_auto ) {
2945                                 draw_floatauto((FloatAuto*)current, (int)ax2 + x_offset, (int)ay2,
2946                                         (int)in_x2 + x_offset, (int)in_y2,
2947                                         (int)out_x2 + x_offset, (int)out_y2,
2948                                         (int)center_pixel + y_offset, (int)yscale, color);
2949                         }
2950                 }
2951
2952 // Draw or test joining line
2953                 if( !draw && !result && track->record /* && buttonpress != 3 */ ) {
2954                         result = test_floatline(center_pixel,
2955                                 (FloatAutos*)autos, unit_start, zoom_units, yscale,
2956 // Exclude auto coverage from the end of the line.  The auto overlaps
2957                                 (int)ax, (int)ax2 - HANDLE_W / 2, cursor_x, cursor_y,
2958                                 buttonpress, autogrouptype);
2959                 }
2960                 if( draw )
2961                         draw_floatline(center_pixel, (FloatAuto*)previous, (FloatAuto*)current,
2962                                 (FloatAutos*)autos, unit_start, zoom_units, yscale,
2963                                 (int)ax, (int)ay, (int)ax2, (int)ay2,
2964                                 color, autogrouptype);
2965
2966                 if( current ) {
2967                         previous = current;
2968                         current = NEXT;
2969                 }
2970
2971                 ax = ax2;  ay = ay2;
2972         } while( current && current->position <= unit_end && !result );
2973
2974         if( ax < get_w() && !result ) {
2975                 ax2 = get_w();  ay2 = ay;
2976                 if(!draw && track->record /* && buttonpress != 3 */ ) {
2977                         result = test_floatline(center_pixel,
2978                                 (FloatAutos*)autos, unit_start, zoom_units, yscale,
2979                                 (int)ax, (int)ax2, cursor_x, cursor_y,
2980                                 buttonpress, autogrouptype);
2981                 }
2982                 if( draw )
2983                         draw_floatline(center_pixel,
2984                                 (FloatAuto*)previous, (FloatAuto*)current,
2985                                 (FloatAutos*)autos, unit_start, zoom_units, yscale,
2986                                 (int)ax, (int)ay, (int)ax2, (int)ay2,
2987                                 color, autogrouptype);
2988         }
2989
2990         return result;
2991 }
2992
2993
2994 int TrackCanvas::do_int_autos(Track *track,
2995                 Autos *autos,
2996                 int cursor_x,
2997                 int cursor_y,
2998                 int draw,
2999                 int buttonpress,
3000                 int x_offset,
3001                 int y_offset,
3002                 int color,
3003                 Auto *&auto_instance)
3004 {
3005         int result = 0;
3006         double view_start;
3007         double unit_start;
3008         double view_end;
3009         double unit_end;
3010         double yscale;
3011         int center_pixel;
3012         double zoom_sample;
3013         double zoom_units;
3014         double ax, ay, ax2, ay2;
3015
3016         auto_instance = 0;
3017
3018         if(draw) set_color(color);
3019
3020         calculate_viewport(track,
3021                 view_start,
3022                 unit_start,
3023                 view_end,
3024                 unit_end,
3025                 yscale,
3026                 center_pixel,
3027                 zoom_sample,
3028                 zoom_units);
3029
3030
3031         double high = -yscale * 0.8 / 2;
3032         double low = yscale * 0.8 / 2;
3033
3034 // Get first auto before start
3035         Auto *current;
3036         for(current = autos->last; current && current->position >= unit_start; current = PREVIOUS)
3037                 ;
3038
3039         if(current)
3040         {
3041                 ax = 0;
3042                 ay = ((IntAuto*)current)->value > 0 ? high : low;
3043                 current = NEXT;
3044         }
3045         else
3046         {
3047                 current = autos->first ? autos->first : autos->default_auto;
3048                 if(current)
3049                 {
3050                         ax = 0;
3051                         ay = ((IntAuto*)current)->value > 0 ? high : low;
3052                 }
3053                 else
3054                 {
3055                         ax = 0;
3056                         ay = yscale;
3057                 }
3058         }
3059
3060         do
3061         {
3062                 if(current)
3063                 {
3064                         ax2 = (double)(current->position - unit_start) / zoom_units;
3065                         ay2 = ((IntAuto*)current)->value > 0 ? high : low;
3066                 }
3067                 else
3068                 {
3069                         ax2 = get_w();
3070                         ay2 = ay;
3071                 }
3072
3073                 if(ax2 > get_w()) ax2 = get_w();
3074
3075                 if(current && !result)
3076                 {
3077                         if(current != autos->default_auto)
3078                         {
3079                                 if(!draw)
3080                                 {
3081                                         if(track->record)
3082                                         {
3083                                                 result = test_auto(current,
3084                                                         (int)ax2,
3085                                                         (int)ay2,
3086                                                         (int)center_pixel,
3087                                                         (int)yscale,
3088                                                         cursor_x,
3089                                                         cursor_y,
3090                                                         buttonpress);
3091                                                 if (result)
3092                                                         auto_instance = current;
3093                                         }
3094                                 }
3095                                 else
3096                                         draw_auto(current,
3097                                                 (int)ax2 + x_offset,
3098                                                 (int)ay2 + y_offset,
3099                                                 (int)center_pixel,
3100                                                 (int)yscale);
3101                         }
3102
3103                         current = NEXT;
3104                 }
3105
3106                 if(!draw)
3107                 {
3108                         if(!result)
3109                         {
3110                                 if(track->record /* && buttonpress != 3 */)
3111                                 {
3112                                         result = test_toggleline(autos,
3113                                                 center_pixel,
3114                                                 (int)ax,
3115                                                 (int)ay,
3116                                                 (int)ax2,
3117                                                 (int)ay2,
3118                                                 cursor_x,
3119                                                 cursor_y,
3120                                                 buttonpress);
3121                                 }
3122                         }
3123                 }
3124                 else
3125                         draw_toggleline(center_pixel + y_offset,
3126                                 (int)ax,
3127                                 (int)ay,
3128                                 (int)ax2,
3129                                 (int)ay2);
3130
3131                 ax = ax2;
3132                 ay = ay2;
3133         }while(current && current->position <= unit_end && !result);
3134
3135         if(ax < get_w() && !result)
3136         {
3137                 ax2 = get_w();
3138                 ay2 = ay;
3139                 if(!draw)
3140                 {
3141                         if(track->record /* && buttonpress != 3 */)
3142                         {
3143                                 result = test_toggleline(autos,
3144                                         center_pixel,
3145                                         (int)ax,
3146                                         (int)ay,
3147                                         (int)ax2,
3148                                         (int)ay2,
3149                                         cursor_x,
3150                                         cursor_y,
3151                                         buttonpress);
3152                         }
3153                 }
3154                 else
3155                         draw_toggleline(center_pixel + y_offset,
3156                                 (int)ax,
3157                                 (int)ay,
3158                                 (int)ax2,
3159                                 (int)ay2);
3160         }
3161         return result;
3162 }
3163
3164 int TrackCanvas::do_autos(Track *track,
3165                 Autos *autos,
3166                 int cursor_x,
3167                 int cursor_y,
3168                 int draw,
3169                 int buttonpress,
3170                 BC_Pixmap *pixmap,
3171                 Auto * &auto_instance,
3172                 int &rerender)
3173 {
3174         int result = 0;
3175
3176         double view_start;
3177         double unit_start;
3178         double view_end;
3179         double unit_end;
3180         double yscale;
3181         int center_pixel;
3182         double zoom_sample;
3183         double zoom_units;
3184
3185         calculate_viewport(track,
3186                 view_start,
3187                 unit_start,
3188                 view_end,
3189                 unit_end,
3190                 yscale,
3191                 center_pixel,
3192                 zoom_sample,
3193                 zoom_units);
3194
3195         Auto *current;
3196         auto_instance = 0;
3197
3198         for(current = autos->first; current && !result; current = NEXT)
3199         {
3200                 if(current->position >= unit_start && current->position < unit_end)
3201                 {
3202                         int64_t x, y;
3203                         x = (int64_t)((double)(current->position - unit_start) /
3204                                 zoom_units - (pixmap->get_w() / 2.0 + 0.5));
3205                         y = center_pixel - pixmap->get_h() / 2;
3206
3207                         if(!draw)
3208                         {
3209                                 if(cursor_x >= x && cursor_y >= y &&
3210                                         cursor_x < x + pixmap->get_w() &&
3211                                         cursor_y < y + pixmap->get_h())
3212                                 {
3213                                         result = 1;
3214                                         auto_instance = current;
3215
3216                                         if(buttonpress && (buttonpress != 3))
3217                                         {
3218                                                 mwindow->session->drag_auto = current;
3219                                                 mwindow->session->drag_start_position = current->position;
3220                                                 mwindow->session->drag_origin_x = cursor_x;
3221                                                 mwindow->session->drag_origin_y = cursor_y;
3222
3223                                                 double position = autos->track->from_units(current->position);
3224                                                 double center = (mwindow->edl->local_session->get_selectionstart(1) +
3225                                                         mwindow->edl->local_session->get_selectionend(1)) /
3226                                                         2;
3227
3228                                                 if(!shift_down())
3229                                                 {
3230                                                         mwindow->edl->local_session->set_selectionstart(position);
3231                                                         mwindow->edl->local_session->set_selectionend(position);
3232                                                 }
3233                                                 else
3234                                                 if(position < center)
3235                                                 {
3236                                                         mwindow->edl->local_session->set_selectionstart(position);
3237                                                 }
3238                                                 else
3239                                                         mwindow->edl->local_session->set_selectionend(position);
3240
3241                                                 rerender = 1;
3242                                         }
3243                                 }
3244                         }
3245                         else
3246                                 draw_pixmap(pixmap, x, y);
3247                 }
3248         }
3249
3250
3251         return result;
3252 }
3253
3254 // so this means it is always >0 when keyframe is found
3255 int TrackCanvas::do_plugin_autos(Track *track, int cursor_x, int cursor_y,
3256                 int draw, int buttonpress, Plugin* &keyframe_plugin,
3257                 KeyFrame* &keyframe_instance)
3258 {
3259         int result = 0;
3260
3261         double view_start;
3262         double unit_start;
3263         double view_end;
3264         double unit_end;
3265         double yscale;
3266         int center_pixel;
3267         double zoom_sample;
3268         double zoom_units;
3269
3270         if(!track->expand_view) return 0;
3271
3272         calculate_viewport(track,
3273                 view_start,
3274                 unit_start,
3275                 view_end,
3276                 unit_end,
3277                 yscale,
3278                 center_pixel,
3279                 zoom_sample,
3280                 zoom_units);
3281
3282
3283
3284         for(int i = 0; i < track->plugin_set.total && !result; i++)
3285         {
3286                 PluginSet *plugin_set = track->plugin_set.values[i];
3287                 int center_pixel = (int)(track->y_pixel -
3288                         mwindow->edl->local_session->track_start[pane->number] +
3289                         mwindow->edl->local_session->zoom_track +
3290                         (i + 0.5) * mwindow->theme->get_image("plugin_bg_data")->get_h() +
3291                         (mwindow->edl->session->show_titles ? mwindow->theme->get_image("title_bg_data")->get_h() : 0));
3292
3293                 for(Plugin *plugin = (Plugin*)plugin_set->first;
3294                         plugin && !result;
3295                         plugin = (Plugin*)plugin->next)
3296                 {
3297                         for(KeyFrame *keyframe = (KeyFrame*)plugin->keyframes->first;
3298                                 keyframe && !result;
3299                                 keyframe = (KeyFrame*)keyframe->next)
3300                         {
3301 //printf("TrackCanvas::draw_plugin_autos 3 %d\n", keyframe->position);
3302                                 if(keyframe->position >= unit_start && keyframe->position < unit_end)
3303                                 {
3304                                         int64_t x = (int64_t)((keyframe->position - unit_start) / zoom_units);
3305                                         int y = center_pixel - keyframe_pixmap->get_h() / 2;
3306
3307 //printf("TrackCanvas::draw_plugin_autos 4 %d %d\n", x, center_pixel);
3308                                         if(!draw)
3309                                         {
3310                                                 if(cursor_x >= x && cursor_y >= y &&
3311                                                         cursor_x < x + keyframe_pixmap->get_w() &&
3312                                                         cursor_y < y + keyframe_pixmap->get_h())
3313                                                 {
3314                                                         result = 1;
3315                                                         keyframe_plugin = plugin;
3316                                                         keyframe_instance = keyframe;
3317
3318                                                         if(buttonpress)
3319                                                         {
3320                                                                 mwindow->session->drag_auto = keyframe;
3321                                                                 mwindow->session->drag_start_position = keyframe->position;
3322                                                                 mwindow->session->drag_origin_x = cursor_x;
3323                                                                 mwindow->session->drag_origin_y = cursor_y;
3324
3325                                                                 double position = track->from_units(keyframe->position);
3326                                                                 double center = (mwindow->edl->local_session->get_selectionstart(1) +
3327                                                                         mwindow->edl->local_session->get_selectionend(1)) /
3328                                                                         2;
3329
3330                                                                 if(!shift_down())
3331                                                                 {
3332                                                                         mwindow->edl->local_session->set_selectionstart(position);
3333                                                                         mwindow->edl->local_session->set_selectionend(position);
3334                                                                 }
3335                                                                 else
3336                                                                 if(position < center)
3337                                                                 {
3338                                                                         mwindow->edl->local_session->set_selectionstart(position);
3339                                                                 }
3340                                                                 else
3341                                                                         mwindow->edl->local_session->set_selectionend(position);
3342                                                         }
3343                                                 }
3344                                         }
3345                                         else
3346                                                 draw_pixmap(keyframe_pixmap,
3347                                                         x,
3348                                                         y);
3349                                 }
3350                         }
3351                 }
3352         }
3353
3354
3355
3356 //      if(buttonpress && buttonpress != 3 && result)
3357 //      {
3358 //              mwindow->undo->update_undo_before();
3359 //      }
3360
3361         return result;
3362 }
3363
3364 int TrackCanvas::draw_hairline(Auto *auto_keyframe, int color)
3365 {
3366         Track *track = auto_keyframe->autos->track;
3367         int autogrouptype = auto_keyframe->autos->get_type();
3368
3369         int center_pixel;
3370         double view_start, unit_start;
3371         double view_end, unit_end, yscale;
3372         double zoom_sample, zoom_units;
3373
3374         calculate_viewport(track, view_start, unit_start, view_end, unit_end,
3375                         yscale, center_pixel, zoom_sample, zoom_units);
3376
3377         double ax = 0, ay = 0;
3378         calculate_auto_position(&ax, &ay, 0, 0, 0, 0,
3379                 auto_keyframe, unit_start, zoom_units, yscale, autogrouptype);
3380
3381         set_color(color);
3382         draw_line(ax, 0, ax, get_h());
3383         return 0;
3384 }
3385
3386 void TrackCanvas::draw_overlays()
3387 {
3388         int new_cursor, update_cursor, rerender;
3389
3390 // Move background pixmap to foreground pixmap
3391         draw_pixmap(background_pixmap,
3392                 0,
3393                 0,
3394                 get_w(),
3395                 get_h(),
3396                 0,
3397                 0);
3398
3399 // In/Out points
3400         draw_inout_points();
3401
3402 // Transitions
3403         if(mwindow->edl->session->auto_conf->transitions) draw_transitions();
3404
3405 // Plugins
3406         draw_plugins();
3407
3408 // Loop points
3409         draw_loop_points();
3410         draw_brender_start();
3411
3412 // Highlighted areas
3413         draw_highlighting();
3414
3415 // Automation
3416         do_keyframes(0, 0, 1, 0, new_cursor, update_cursor, rerender);
3417
3418 // Selection cursor
3419         if(pane->cursor) pane->cursor->restore(1);
3420
3421 // Handle dragging
3422         draw_drag_handle();
3423
3424 // Playback cursor
3425         draw_playback_cursor();
3426
3427         draw_keyframe_reticle();
3428
3429         show_window(0);
3430 }
3431
3432 int TrackCanvas::activate()
3433 {
3434         if(!active)
3435         {
3436 //printf("TrackCanvas::activate %d %d\n", __LINE__, pane->number);
3437 //BC_Signals::dump_stack();
3438                 get_top_level()->deactivate();
3439                 active = 1;
3440                 set_active_subwindow(this);
3441                 pane->cursor->activate();
3442                 gui->focused_pane = pane->number;
3443         }
3444         return 0;
3445 }
3446
3447 int TrackCanvas::deactivate()
3448 {
3449         if(active)
3450         {
3451                 active = 0;
3452                 pane->cursor->deactivate();
3453         }
3454         return 0;
3455 }
3456
3457
3458 void TrackCanvas::update_drag_handle()
3459 {
3460         double new_position;
3461
3462         new_position =
3463                 (double)(get_cursor_x() +
3464                 mwindow->edl->local_session->view_start[pane->number]) *
3465                 mwindow->edl->local_session->zoom_sample /
3466                 mwindow->edl->session->sample_rate;
3467         new_position =
3468                 mwindow->edl->align_to_frame(new_position, 0);
3469
3470
3471         if(new_position != mwindow->session->drag_position)
3472         {
3473                 mwindow->session->drag_position = new_position;
3474                 gui->mainclock->update(new_position);
3475
3476
3477                 timebar_position = new_position;
3478                 gui->update_timebar(0);
3479 // Que the CWindow.  Doesn't do anything if selectionstart and selection end
3480 // aren't changed.
3481 //              mwindow->cwindow->update(1, 0, 0);
3482         }
3483 }
3484
3485 int TrackCanvas::update_drag_edit()
3486 {
3487         int result = 0;
3488
3489
3490
3491         return result;
3492 }
3493
3494 int TrackCanvas::get_drag_values(float *percentage,
3495         int64_t *position,
3496         int do_clamp,
3497         int cursor_x,
3498         int cursor_y,
3499         Auto *current)
3500 {
3501         //int x = cursor_x - mwindow->session->drag_origin_x;
3502         //int y = cursor_y - mwindow->session->drag_origin_y;
3503         *percentage = 0;
3504         *position = 0;
3505
3506         if(!current->autos->track->record) return 1;
3507         double view_start;
3508         double unit_start;
3509         double view_end;
3510         double unit_end;
3511         double yscale;
3512         int center_pixel;
3513         double zoom_sample;
3514         double zoom_units;
3515
3516         calculate_viewport(current->autos->track,
3517                 view_start,
3518                 unit_start,
3519                 view_end,
3520                 unit_end,
3521                 yscale,
3522                 center_pixel,
3523                 zoom_sample,
3524                 zoom_units);
3525
3526         *percentage = (float)(mwindow->session->drag_origin_y - cursor_y) /
3527                 yscale +
3528                 mwindow->session->drag_start_percentage;
3529         if(do_clamp) CLAMP(*percentage, 0, 1);
3530
3531         *position = Units::to_int64(zoom_units *
3532                 (cursor_x - mwindow->session->drag_origin_x) +
3533                 mwindow->session->drag_start_position + 0.5);
3534
3535         if((do_clamp) && *position < 0) *position = 0;
3536         return 0;
3537 }
3538
3539
3540 #define UPDATE_DRAG_HEAD(do_clamp) \
3541         int result = 0, center_pixel; \
3542         if(!current->autos->track->record) return 0; \
3543         double view_start, unit_start, view_end, unit_end; \
3544         double yscale, zoom_sample, zoom_units; \
3545  \
3546         calculate_viewport(current->autos->track,  \
3547                 view_start, unit_start, view_end, unit_end, \
3548                 yscale, center_pixel, zoom_sample, zoom_units); \
3549  \
3550         float percentage = (float)(mwindow->session->drag_origin_y - cursor_y) / \
3551                 yscale +  mwindow->session->drag_start_percentage; \
3552         if(do_clamp) CLAMP(percentage, 0, 1); \
3553  \
3554         int64_t position = Units::to_int64(zoom_units * \
3555                 (cursor_x - mwindow->session->drag_origin_x) + \
3556                 mwindow->session->drag_start_position); \
3557         if((do_clamp) && position < 0) position = 0;
3558
3559
3560 int TrackCanvas::update_drag_floatauto(int cursor_x, int cursor_y)
3561 {
3562         FloatAuto *current = (FloatAuto*)mwindow->session->drag_auto;
3563
3564         UPDATE_DRAG_HEAD(mwindow->session->drag_handle == 0);
3565         int x = cursor_x - mwindow->session->drag_origin_x;
3566         int y = cursor_y - mwindow->session->drag_origin_y;
3567         float value, old_value;
3568
3569         if( mwindow->session->drag_handle == 0 && (ctrl_down() && !shift_down()) ) {
3570 // not really editing the node, rather start editing the curve
3571 // tangent is editable and drag movement is significant
3572                 if( (FloatAuto::FREE == current->curve_mode ||
3573                      FloatAuto::TFREE==current->curve_mode) &&
3574                     (fabs(x) > HANDLE_W / 2 || fabs(y) > HANDLE_W / 2))
3575                         mwindow->session->drag_handle = x < 0 ? 1 : 2;
3576         }
3577
3578         switch(mwindow->session->drag_handle) {
3579         case 0: // Center
3580 // Snap to nearby values
3581                 old_value = current->get_value();
3582                 if(shift_down()) {
3583                         double value1, value2, distance1, distance2;
3584
3585                         if(current->previous) {
3586                                 int autogrouptype = current->previous->autos->autogrouptype;
3587                                 value = percentage_to_value(percentage, 0, 0, autogrouptype);
3588                                 value1 = ((FloatAuto*)current->previous)->get_value();
3589                                 distance1 = fabs(value - value1);
3590                                 current->set_value(value1);
3591                         }
3592
3593                         if(current->next) {
3594                                 int autogrouptype = current->next->autos->autogrouptype;
3595                                 value = percentage_to_value(percentage, 0, 0, autogrouptype);
3596                                 value2 = ((FloatAuto*)current->next)->get_value();
3597                                 distance2 = fabs(value - value2);
3598                                 if(!current->previous || distance2 < distance1) {
3599                                         current->set_value(value2);
3600                                 }
3601                         }
3602
3603                         if(!current->previous && !current->next) {
3604                                 current->set_value( ((FloatAutos*)current->autos)->default_);
3605                         }
3606                         value = current->get_value();
3607                 }
3608                 else {
3609                         int autogrouptype = current->autos->autogrouptype;
3610                         value = percentage_to_value(percentage, 0, 0, autogrouptype);
3611                 }
3612
3613                 if(alt_down() && !shift_down())
3614 // ALT constrains movement: fixed position, only changing the value
3615                         position = mwindow->session->drag_start_position;
3616
3617                 if(value != old_value || position != current->position) {
3618                         result = 1;
3619                         float change = value - old_value;
3620                         current->adjust_to_new_coordinates(position, value);
3621                         synchronize_autos(change, current->autos->track, current, 0);
3622                         show_message(current, 1,", %.2f", current->get_value());
3623                 }
3624                 break;
3625
3626 // In control
3627         case 1: {
3628                 int autogrouptype = current->autos->autogrouptype;
3629                 value = percentage_to_value(percentage, 0, current, autogrouptype);
3630                 if(value != current->get_control_in_value())
3631                 {
3632                         result = 1;
3633                         // note: (position,value) need not be at the location of the ctrl point,
3634                         // but could be somewhere in between on the curve (or even outward or
3635                         // on the opposit side). We set the new control point such as
3636                         // to point the curve through (position,value)
3637                         current->set_control_in_value(
3638                                 value * levered_position(position - current->position,
3639                                                          current->get_control_in_position()));
3640                         synchronize_autos(0, current->autos->track, current, 0);
3641                         show_message(current, 1,", %.2f", current->get_control_in_value());
3642                 }
3643                 break; }
3644
3645 // Out control
3646         case 2: {
3647                 int autogrouptype = current->autos->autogrouptype;
3648                 value = percentage_to_value(percentage, 0, current, autogrouptype);
3649                 if(value != current->get_control_out_value()) {
3650                         result = 1;
3651                         current->set_control_out_value(
3652                                 value * levered_position(position - current->position,
3653                                                          current->get_control_out_position()));
3654                         synchronize_autos(0, current->autos->track, current, 0);
3655                         show_message(current, 1,", %.2f", current->get_control_out_value());
3656                 }
3657                 break; }
3658         }
3659
3660         return result;
3661 }
3662
3663 int TrackCanvas::update_drag_toggleauto(int cursor_x, int cursor_y)
3664 {
3665         IntAuto *current = (IntAuto*)mwindow->session->drag_auto;
3666
3667         UPDATE_DRAG_HEAD(1);
3668         int value = (int)percentage_to_value(percentage, 1, 0, AUTOGROUPTYPE_INT255);
3669
3670         if(value != current->value || position != current->position)
3671         {
3672                 result = 1;
3673                 current->value = value;
3674                 current->position = position;
3675                 show_message(current, 0,", %d", current->value);
3676         }
3677
3678         return result;
3679 }
3680
3681 // Autos which can't change value through dragging.
3682
3683 int TrackCanvas::update_drag_auto(int cursor_x, int cursor_y)
3684 {
3685         Auto *current = (Auto*)mwindow->session->drag_auto;
3686
3687         UPDATE_DRAG_HEAD(1)
3688         if(position != current->position)
3689         {
3690                 result = 1;
3691                 current->position = position;
3692                 show_message(current, 0,"");
3693
3694                 double position_f = current->autos->track->from_units(current->position);
3695                 double center_f = (mwindow->edl->local_session->get_selectionstart(1) +
3696                         mwindow->edl->local_session->get_selectionend(1)) /
3697                         2;
3698                 if(!shift_down())
3699                 {
3700                         mwindow->edl->local_session->set_selectionstart(position_f);
3701                         mwindow->edl->local_session->set_selectionend(position_f);
3702                 }
3703                 else
3704                 if(position_f < center_f)
3705                 {
3706                         mwindow->edl->local_session->set_selectionstart(position_f);
3707                 }
3708                 else
3709                         mwindow->edl->local_session->set_selectionend(position_f);
3710         }
3711
3712
3713         return result;
3714 }
3715
3716 int TrackCanvas::update_drag_pluginauto(int cursor_x, int cursor_y)
3717 {
3718         KeyFrame *current = (KeyFrame*)mwindow->session->drag_auto;
3719
3720         UPDATE_DRAG_HEAD(1)
3721         if(position != current->position)
3722         {
3723 //      printf("uida: autos: %p, track: %p ta: %p\n", current->autos, current->autos->track, current->autos->track->automation);
3724                 Track *track = current->autos->track;
3725                 //PluginAutos *pluginautos = (PluginAutos *)current->autos;
3726                 PluginSet *pluginset;
3727                 Plugin *plugin = 0;
3728 // figure out the correct pluginset & correct plugin
3729                 int found = 0;
3730                 for(int i = 0; i < track->plugin_set.total; i++)
3731                 {
3732                         pluginset = track->plugin_set.values[i];
3733                         for(plugin = (Plugin *)pluginset->first; plugin; plugin = (Plugin *)plugin->next)
3734                         {
3735                                 KeyFrames *keyframes = plugin->keyframes;
3736                                 for(KeyFrame *currentkeyframe = (KeyFrame *)keyframes->first;
3737                                         currentkeyframe;
3738                                         currentkeyframe = (KeyFrame *) currentkeyframe->next)
3739                                 {
3740                                         if (currentkeyframe == current)
3741                                         {
3742                                                 found = 1;
3743                                                 break;
3744                                         }
3745
3746                                 }
3747                                 if (found) break;
3748                         }
3749                         if (found) break;
3750                 }
3751
3752                 mwindow->session->plugin_highlighted = plugin;
3753                 mwindow->session->track_highlighted = track;
3754                 result = 1;
3755                 current->position = position;
3756                 show_message(current, 0,"");
3757
3758                 double position_f = current->autos->track->from_units(current->position);
3759                 double center_f = (mwindow->edl->local_session->get_selectionstart(1) +
3760                         mwindow->edl->local_session->get_selectionend(1)) /
3761                         2;
3762                 if(!shift_down())
3763                 {
3764                         mwindow->edl->local_session->set_selectionstart(position_f);
3765                         mwindow->edl->local_session->set_selectionend(position_f);
3766                 }
3767                 else
3768                 if(position_f < center_f)
3769                 {
3770                         mwindow->edl->local_session->set_selectionstart(position_f);
3771                 }
3772                 else
3773                         mwindow->edl->local_session->set_selectionend(position_f);
3774         }
3775
3776
3777         return result;
3778 }
3779
3780 void TrackCanvas::update_drag_caption()
3781 {
3782         switch(mwindow->session->current_operation)
3783         {
3784                 case DRAG_FADE:
3785
3786                         break;
3787         }
3788 }
3789
3790
3791
3792 int TrackCanvas::cursor_motion_event()
3793 {
3794         int result = 0;
3795         int cursor_x = 0;
3796         int cursor_y = 0;
3797         int update_clock = 0;
3798         int update_zoom = 0;
3799         int update_scroll = 0;
3800         int update_overlay = 0;
3801         int update_cursor = 0;
3802         int new_cursor = 0;
3803         int rerender = 0;
3804         double position = 0.;
3805 //printf("TrackCanvas::cursor_motion_event %d\n", __LINE__);
3806
3807 // Default cursor
3808         switch(mwindow->edl->session->editing_mode)
3809         {
3810                 case EDITING_ARROW: new_cursor = ARROW_CURSOR; break;
3811                 case EDITING_IBEAM: new_cursor = IBEAM_CURSOR; break;
3812         }
3813
3814         switch(mwindow->session->current_operation)
3815         {
3816                 case DRAG_EDITHANDLE1:
3817 // Outside threshold.  Upgrade status
3818                         if(active)
3819                         {
3820                                 if(labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W)
3821                                 {
3822                                         mwindow->session->current_operation = DRAG_EDITHANDLE2;
3823                                         update_overlay = 1;
3824                                 }
3825                         }
3826                         break;
3827
3828                 case DRAG_EDITHANDLE2:
3829                         if(active)
3830                         {
3831                                 update_drag_handle();
3832                                 update_overlay = 1;
3833                         }
3834                         break;
3835
3836                 case DRAG_PLUGINHANDLE1:
3837                         if(active)
3838                         {
3839                                 if(labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W)
3840                                 {
3841                                         mwindow->session->current_operation = DRAG_PLUGINHANDLE2;
3842                                         update_overlay = 1;
3843                                 }
3844                         }
3845                         break;
3846
3847                 case DRAG_PLUGINHANDLE2:
3848                         if(active)
3849                         {
3850                                 update_drag_handle();
3851                                 update_overlay = 1;
3852                         }
3853                         break;
3854
3855 // Rubber band curves
3856                 case DRAG_FADE:
3857                 case DRAG_SPEED:
3858                 case DRAG_CZOOM:
3859                 case DRAG_PZOOM:
3860                 case DRAG_CAMERA_X:
3861                 case DRAG_CAMERA_Y:
3862                 case DRAG_CAMERA_Z:
3863                 case DRAG_PROJECTOR_X:
3864                 case DRAG_PROJECTOR_Y:
3865                 case DRAG_PROJECTOR_Z:
3866                         if(active) rerender = update_overlay =
3867                                 update_drag_floatauto(get_cursor_x(), get_cursor_y());
3868                         break;
3869
3870                 case DRAG_PLAY:
3871                         if(active) rerender = update_overlay =
3872                                 update_drag_toggleauto(get_cursor_x(), get_cursor_y());
3873                         break;
3874
3875                 case DRAG_MUTE:
3876                         if(active) rerender = update_overlay =
3877                                 update_drag_toggleauto(get_cursor_x(), get_cursor_y());
3878                         break;
3879
3880 // Keyframe icons are sticky
3881                 case DRAG_PAN_PRE:
3882                 case DRAG_MASK_PRE:
3883                 case DRAG_MODE_PRE:
3884                 case DRAG_PLUGINKEY_PRE:
3885                         if(active) {
3886                                 if(labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W) {
3887                                         mwindow->session->current_operation++;
3888                                         update_overlay = 1;
3889
3890                                         mwindow->undo->update_undo_before();
3891                                 }
3892                         }
3893                         break;
3894
3895                 case DRAG_PAN:
3896                 case DRAG_MASK:
3897                 case DRAG_MODE:
3898                         if(active) rerender = update_overlay =
3899                                 update_drag_auto(get_cursor_x(), get_cursor_y());
3900                         break;
3901
3902                 case DRAG_PLUGINKEY:
3903                         if(active) rerender = update_overlay =
3904                                 update_drag_pluginauto(get_cursor_x(), get_cursor_y());
3905                         break;
3906
3907                 case SELECT_REGION:
3908                         if(active) {
3909                                 cursor_x = get_cursor_x();
3910                                 cursor_y = get_cursor_y();
3911                                 position = (double)(cursor_x + mwindow->edl->local_session->view_start[pane->number]) *
3912                                         mwindow->edl->local_session->zoom_sample / mwindow->edl->session->sample_rate;
3913
3914                                 position = mwindow->edl->align_to_frame(position, 0);
3915                                 position = MAX(position, 0);
3916
3917                                 if(position < selection_midpoint) {
3918                                         mwindow->edl->local_session->set_selectionend(selection_midpoint);
3919                                         mwindow->edl->local_session->set_selectionstart(position);
3920         // Que the CWindow
3921                                         gui->unlock_window();
3922                                         mwindow->cwindow->update(1, 0, 0, 0, 1);
3923                                         gui->lock_window("TrackCanvas::cursor_motion_event 1");
3924         // Update the faders
3925                                         mwindow->update_plugin_guis();
3926                                         gui->update_patchbay();
3927                                 }
3928                                 else {
3929                                         mwindow->edl->local_session->set_selectionstart(selection_midpoint);
3930                                         mwindow->edl->local_session->set_selectionend(position);
3931         // Don't que the CWindow
3932                                 }
3933
3934                                 timebar_position = mwindow->edl->local_session->get_selectionend(1);
3935
3936                                 gui->hide_cursor(0);
3937                                 gui->draw_cursor(1);
3938                                 gui->update_timebar(0);
3939                                 gui->flash_canvas(1);
3940                                 result = 1;
3941                                 update_clock = 1;
3942                                 update_zoom = 1;
3943                                 update_scroll = 1;
3944                         }
3945                         break;
3946
3947                 default:
3948                         if(is_event_win() && cursor_inside()) {
3949 // Update clocks
3950                                 cursor_x = get_cursor_x();
3951                                 position = (double)cursor_x *
3952                                         (double)mwindow->edl->local_session->zoom_sample /
3953                                         (double)mwindow->edl->session->sample_rate +
3954                                         (double)mwindow->edl->local_session->view_start[pane->number] *
3955                                         (double)mwindow->edl->local_session->zoom_sample /
3956                                         (double)mwindow->edl->session->sample_rate;
3957                                 position = mwindow->edl->align_to_frame(position, 0);
3958                                 update_clock = 1;
3959
3960 // set all timebars
3961                                 for(int i = 0; i < TOTAL_PANES; i++)
3962                                         if(gui->pane[i]) gui->pane[i]->canvas->timebar_position = position;
3963
3964 //printf("TrackCanvas::cursor_motion_event %d %d %p %p\n", __LINE__, pane->number, pane, pane->timebar);
3965                                 gui->update_timebar(0);
3966 // Update cursor
3967                                 if(do_transitions(get_cursor_x(), get_cursor_y(),
3968                                                 0, new_cursor, update_cursor)) break;
3969                                 if(do_keyframes(get_cursor_x(), get_cursor_y(),
3970                                         0, 0, new_cursor, update_cursor, rerender)) break;
3971                                 if(do_edit_handles(get_cursor_x(), get_cursor_y(),
3972                                         0, rerender, update_overlay, new_cursor, update_cursor)) break;
3973 // Plugin boundaries
3974                                 if(do_plugin_handles(get_cursor_x(), get_cursor_y(),
3975                                         0, rerender, update_overlay, new_cursor, update_cursor)) break;
3976                                 if(do_edits(get_cursor_x(), get_cursor_y(),
3977                                         0, 0, update_overlay, rerender, new_cursor, update_cursor)) break;
3978                         }
3979                         break;
3980         }
3981
3982 //printf("TrackCanvas::cursor_motion_event 1\n");
3983         if(update_cursor && new_cursor != get_cursor())
3984         {
3985                 set_cursor(new_cursor, 0, 1);
3986         }
3987
3988 //printf("TrackCanvas::cursor_motion_event 1 %d\n", rerender);
3989         if(rerender && render_timer->get_difference() > 0.25 ) {
3990                 render_timer->update();
3991                 mwindow->restart_brender();
3992                 mwindow->sync_parameters(CHANGE_PARAMS);
3993                 mwindow->update_plugin_guis();
3994                 gui->unlock_window();
3995                 mwindow->cwindow->update(1, 0, 0, 0, 1);
3996                 gui->lock_window("TrackCanvas::cursor_motion_event 2");
3997         }
3998         if(rerender) {
3999 // Update faders
4000                 gui->update_patchbay();
4001         }
4002
4003
4004         if(update_clock) {
4005                 if(!mwindow->cwindow->playback_engine->is_playing_back)
4006                         gui->mainclock->update(position);
4007         }
4008
4009         if(update_zoom) {
4010                 gui->zoombar->update();
4011         }
4012
4013         if(update_scroll) {
4014                 if(!drag_scroll &&
4015                         (cursor_x >= get_w() || cursor_x < 0 || cursor_y >= get_h() || cursor_y < 0))
4016                         start_dragscroll();
4017                 else
4018                 if(drag_scroll &&
4019                         (cursor_x < get_w() && cursor_x >= 0 && cursor_y < get_h() && cursor_y >= 0))
4020                         stop_dragscroll();
4021         }
4022
4023         if(update_overlay) {
4024                 gui->draw_overlays(1);
4025         }
4026
4027 //printf("TrackCanvas::cursor_motion_event %d\n", __LINE__);
4028         return result;
4029 }
4030
4031 void TrackCanvas::start_dragscroll()
4032 {
4033         if(!drag_scroll) {
4034                 drag_scroll = 1;
4035                 set_repeat(BC_WindowBase::get_resources()->scroll_repeat);
4036 //printf("TrackCanvas::start_dragscroll 1\n");
4037         }
4038 }
4039
4040 void TrackCanvas::stop_dragscroll()
4041 {
4042         if(drag_scroll) {
4043                 drag_scroll = 0;
4044                 unset_repeat(BC_WindowBase::get_resources()->scroll_repeat);
4045 //printf("TrackCanvas::stop_dragscroll 1\n");
4046         }
4047 }
4048
4049 int TrackCanvas::repeat_event(int64_t duration)
4050 {
4051         if(!drag_scroll) return 0;
4052         if(duration != BC_WindowBase::get_resources()->scroll_repeat) return 0;
4053
4054         int sample_movement = 0;
4055         int track_movement = 0;
4056         int64_t x_distance = 0;
4057         int64_t y_distance = 0;
4058         double position = 0;
4059         int result = 0;
4060
4061         switch(mwindow->session->current_operation) {
4062                 case SELECT_REGION:
4063 //printf("TrackCanvas::repeat_event 1 %d\n", mwindow->edl->local_session->view_start);
4064                 if(get_cursor_x() > get_w()) {
4065                                 x_distance = get_cursor_x() - get_w();
4066                                 sample_movement = 1;
4067                 }
4068                 else if(get_cursor_x() < 0) {
4069                         x_distance = get_cursor_x();
4070                         sample_movement = 1;
4071                 }
4072
4073                 if(get_cursor_y() > get_h()) {
4074                         y_distance = get_cursor_y() - get_h();
4075                         track_movement = 1;
4076                 }
4077                 else if(get_cursor_y() < 0) {
4078                         y_distance = get_cursor_y();
4079                         track_movement = 1;
4080                 }
4081                 result = 1;
4082                 break;
4083         }
4084
4085         if(sample_movement) {
4086                 position = (double)(get_cursor_x() +
4087                         mwindow->edl->local_session->view_start[pane->number] +
4088                         x_distance) *
4089                         mwindow->edl->local_session->zoom_sample /
4090                         mwindow->edl->session->sample_rate;
4091                 position = mwindow->edl->align_to_frame(position, 0);
4092                 position = MAX(position, 0);
4093
4094 //printf("TrackCanvas::repeat_event 1 %f\n", position);
4095                 switch(mwindow->session->current_operation) {
4096                 case SELECT_REGION:
4097                         if(position < selection_midpoint) {
4098                                 mwindow->edl->local_session->set_selectionend(selection_midpoint);
4099                                 mwindow->edl->local_session->set_selectionstart(position);
4100 // Que the CWindow
4101                                 gui->unlock_window();
4102                                 mwindow->cwindow->update(1, 0, 0);
4103                                 gui->lock_window("TrackCanvas::repeat_event");
4104 // Update the faders
4105                                 mwindow->update_plugin_guis();
4106                                 gui->update_patchbay();
4107                         }
4108                         else {
4109                                 mwindow->edl->local_session->set_selectionstart(selection_midpoint);
4110                                 mwindow->edl->local_session->set_selectionend(position);
4111 // Don't que the CWindow
4112                         }
4113                         break;
4114                 }
4115
4116                 mwindow->samplemovement(
4117                         mwindow->edl->local_session->view_start[pane->number] + x_distance,
4118                         pane->number);
4119         }
4120
4121         if(track_movement) {
4122                 mwindow->trackmovement(y_distance, pane->number);
4123         }
4124
4125         return result;
4126 }
4127
4128 int TrackCanvas::button_release_event()
4129 {
4130         int redraw = 0, update_overlay = 0, result = 0;
4131
4132 // printf("TrackCanvas::button_release_event %d\n",
4133 // mwindow->session->current_operation);
4134         if(active) {
4135                 switch(mwindow->session->current_operation) {
4136                 case DRAG_EDITHANDLE2:
4137                         mwindow->session->current_operation = NO_OPERATION;
4138                         drag_scroll = 0;
4139                         result = 1;
4140
4141                         end_edithandle_selection();
4142                         break;
4143
4144                 case DRAG_EDITHANDLE1:
4145                         mwindow->session->current_operation = NO_OPERATION;
4146                         drag_scroll = 0;
4147                         result = 1;
4148                         break;
4149
4150                 case DRAG_PLUGINHANDLE2:
4151                         mwindow->session->current_operation = NO_OPERATION;
4152                         drag_scroll = 0;
4153                         result = 1;
4154
4155                         end_pluginhandle_selection();
4156                         break;
4157
4158                 case DRAG_PLUGINHANDLE1:
4159                         mwindow->session->current_operation = NO_OPERATION;
4160                         drag_scroll = 0;
4161                         result = 1;
4162                         break;
4163
4164                 case DRAG_FADE:
4165                 case DRAG_SPEED:
4166 // delete the drag_auto_gang first and remove out of order keys
4167                         synchronize_autos(0, 0, 0, -1);
4168                 case DRAG_CZOOM:
4169                 case DRAG_PZOOM:
4170                 case DRAG_PLAY:
4171                 case DRAG_MUTE:
4172                 case DRAG_MASK:
4173                 case DRAG_MODE:
4174                 case DRAG_PAN:
4175                 case DRAG_CAMERA_X:
4176                 case DRAG_CAMERA_Y:
4177                 case DRAG_CAMERA_Z:
4178                 case DRAG_PROJECTOR_X:
4179                 case DRAG_PROJECTOR_Y:
4180                 case DRAG_PROJECTOR_Z:
4181                 case DRAG_PLUGINKEY:
4182                         mwindow->session->current_operation = NO_OPERATION;
4183                         mwindow->session->drag_handle = 0;
4184 // Remove any out-of-order keyframe
4185                         if(mwindow->session->drag_auto) {
4186                                 mwindow->session->drag_auto->autos->remove_nonsequential(
4187                                                 mwindow->session->drag_auto);
4188 //                              mwindow->session->drag_auto->autos->optimize();
4189                                 update_overlay = 1;
4190                         }
4191
4192
4193                         mwindow->undo->update_undo_after(_("keyframe"), LOAD_AUTOMATION);
4194                         result = 1;
4195                         break;
4196
4197                 case DRAG_EDIT:
4198                 case DRAG_AEFFECT_COPY:
4199                 case DRAG_VEFFECT_COPY:
4200 // Trap in drag stop
4201                         break;
4202
4203
4204                 default:
4205                         if(mwindow->session->current_operation) {
4206 //                              if(mwindow->session->current_operation == SELECT_REGION) {
4207 //                                      mwindow->undo->update_undo_after(_("select"), LOAD_SESSION, 0, 0);
4208 //                              }
4209
4210                                 mwindow->session->current_operation = NO_OPERATION;
4211                                 drag_scroll = 0;
4212 // Traps button release events
4213 //                              result = 1;
4214                         }
4215                         break;
4216                 }
4217         }
4218
4219         if (result)
4220                 cursor_motion_event();
4221
4222         if(update_overlay) {
4223                 gui->draw_overlays(1);
4224         }
4225         if(redraw) {
4226                 gui->draw_canvas(NORMAL_DRAW, 0);
4227         }
4228         return result;
4229 }
4230
4231 int TrackCanvas::do_edit_handles(int cursor_x, int cursor_y, int button_press,
4232         int &rerender, int &update_overlay, int &new_cursor, int &update_cursor)
4233 {
4234         Edit *edit_result = 0;
4235         int handle_result = 0;
4236         int result = 0;
4237
4238         if(!mwindow->edl->session->show_assets) return 0;
4239
4240         for(Track *track = mwindow->edl->tracks->first;
4241                 track && !result;
4242                 track = track->next) {
4243                 for(Edit *edit = track->edits->first;
4244                         edit && !result;
4245                         edit = edit->next) {
4246                         int64_t edit_x, edit_y, edit_w, edit_h;
4247                         edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
4248
4249                         if(cursor_x >= edit_x && cursor_x <= edit_x + edit_w &&
4250                                 cursor_y >= edit_y && cursor_y < edit_y + edit_h) {
4251                                 if(cursor_x < edit_x + HANDLE_W) {
4252                                         edit_result = edit;
4253                                         handle_result = 0;
4254                                         result = 1;
4255                                 }
4256                                 else if(cursor_x >= edit_x + edit_w - HANDLE_W) {
4257                                         edit_result = edit;
4258                                         handle_result = 1;
4259                                         result = 1;
4260                                 }
4261                                 else {
4262                                         result = 0;
4263                                 }
4264                         }
4265                 }
4266         }
4267
4268         update_cursor = 1;
4269         if(result) {
4270                 double position = 0;
4271                 if(handle_result == 0) {
4272                         position = edit_result->track->from_units(edit_result->startproject);
4273                         new_cursor = LEFT_CURSOR;
4274                 }
4275                 else if(handle_result == 1) {
4276                         position = edit_result->track->from_units(edit_result->startproject + edit_result->length);
4277                         new_cursor = RIGHT_CURSOR;
4278                 }
4279
4280 // Reposition cursor
4281                 if(button_press) {
4282                         mwindow->session->drag_edit = edit_result;
4283                         mwindow->session->drag_handle = handle_result;
4284                         mwindow->session->drag_button = get_buttonpress() - 1;
4285                         mwindow->session->drag_position = position;
4286                         mwindow->session->current_operation = DRAG_EDITHANDLE1;
4287                         mwindow->session->drag_origin_x = get_cursor_x();
4288                         mwindow->session->drag_origin_y = get_cursor_y();
4289                         mwindow->session->drag_start = position;
4290
4291                         rerender = start_selection(position);
4292                         update_overlay = 1;
4293                 }
4294         }
4295
4296         return result;
4297 }
4298
4299 int TrackCanvas::do_plugin_handles(int cursor_x,
4300         int cursor_y,
4301         int button_press,
4302         int &rerender,
4303         int &update_overlay,
4304         int &new_cursor,
4305         int &update_cursor)
4306 {
4307         Plugin *plugin_result = 0;
4308         int handle_result = 0;
4309         int result = 0;
4310
4311 //      if(!mwindow->edl->session->show_assets) return 0;
4312
4313         for(Track *track = mwindow->edl->tracks->first;
4314                 track && !result;
4315                 track = track->next) {
4316                 for(int i = 0; i < track->plugin_set.total && !result; i++) {
4317                         PluginSet *plugin_set = track->plugin_set.values[i];
4318                         for(Plugin *plugin = (Plugin*)plugin_set->first;
4319                                 plugin && !result;
4320                                 plugin = (Plugin*)plugin->next) {
4321                                 int64_t plugin_x, plugin_y, plugin_w, plugin_h;
4322                                 plugin_dimensions(plugin, plugin_x, plugin_y, plugin_w, plugin_h);
4323
4324                                 if(cursor_x >= plugin_x && cursor_x <= plugin_x + plugin_w &&
4325                                         cursor_y >= plugin_y && cursor_y < plugin_y + plugin_h) {
4326                                         if(cursor_x < plugin_x + HANDLE_W) {
4327                                                 plugin_result = plugin;
4328                                                 handle_result = 0;
4329                                                 result = 1;
4330                                         }
4331                                         else if(cursor_x >= plugin_x + plugin_w - HANDLE_W) {
4332                                                 plugin_result = plugin;
4333                                                 handle_result = 1;
4334                                                 result = 1;
4335                                         }
4336                                 }
4337                         }
4338
4339                         if(result && shift_down())
4340                                 mwindow->session->trim_edits = plugin_set;
4341                 }
4342         }
4343
4344         update_cursor = 1;
4345         if(result) {
4346                 double position = 0;
4347                 if(handle_result == 0) {
4348                         position = plugin_result->track->from_units(plugin_result->startproject);
4349                         new_cursor = LEFT_CURSOR;
4350                 }
4351                 else if(handle_result == 1) {
4352                         position = plugin_result->track->from_units(plugin_result->startproject + plugin_result->length);
4353                         new_cursor = RIGHT_CURSOR;
4354                 }
4355
4356                 if(button_press) {
4357                         mwindow->session->drag_plugin = plugin_result;
4358                         mwindow->session->drag_handle = handle_result;
4359                         mwindow->session->drag_button = get_buttonpress() - 1;
4360                         mwindow->session->drag_position = position;
4361                         mwindow->session->current_operation = DRAG_PLUGINHANDLE1;
4362                         mwindow->session->drag_origin_x = get_cursor_x();
4363                         mwindow->session->drag_origin_y = get_cursor_y();
4364                         mwindow->session->drag_start = position;
4365
4366                         rerender = start_selection(position);
4367                         update_overlay = 1;
4368                 }
4369         }
4370
4371         return result;
4372 }
4373
4374
4375 int TrackCanvas::do_tracks(int cursor_x, int cursor_y, int button_press)
4376 {
4377         int result = 0;
4378
4379 //      if(!mwindow->edl->session->show_assets) return 0;
4380
4381         for(Track *track = mwindow->edl->tracks->first;
4382                 track && !result;
4383                 track = track->next) {
4384                 int64_t track_x, track_y, track_w, track_h;
4385                 track_dimensions(track, track_x, track_y, track_w, track_h);
4386
4387                 if(button_press && get_buttonpress() == 3 &&
4388                         cursor_y >= track_y && cursor_y < track_y + track_h) {
4389                         gui->edit_menu->update(track, 0);
4390                         gui->edit_menu->activate_menu();
4391                         result = 1;
4392                 }
4393         }
4394
4395         return result;
4396 }
4397
4398 int TrackCanvas::do_edits(int cursor_x, int cursor_y, int button_press, int drag_start,
4399         int &redraw, int &rerender, int &new_cursor, int &update_cursor)
4400 {
4401         int result = 0;
4402
4403         if(!mwindow->edl->session->show_assets) return 0;
4404
4405         for(Track *track = mwindow->edl->tracks->first; track && !result; track = track->next) {
4406
4407                 for(Edit *edit = track->edits->first; edit && !result; edit = edit->next) {
4408                         int64_t edit_x, edit_y, edit_w, edit_h;
4409                         edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
4410
4411 // Cursor inside a track
4412 // Cursor inside an edit
4413                         if(cursor_x >= edit_x && cursor_x < edit_x + edit_w &&
4414                                 cursor_y >= edit_y && cursor_y < edit_y + edit_h) {
4415 // Select duration of edit
4416                                 if(button_press) {
4417                                         if(get_double_click() && !drag_start) {
4418                                                 mwindow->edl->local_session->set_selectionstart(edit->track->from_units(edit->startproject));
4419                                                 mwindow->edl->local_session->set_selectionend(edit->track->from_units(edit->startproject) +
4420                                                         edit->track->from_units(edit->length));
4421                                                 if(mwindow->edl->session->cursor_on_frames)
4422                                                 {
4423                                                         mwindow->edl->local_session->set_selectionstart(
4424                                                                 mwindow->edl->align_to_frame(mwindow->edl->local_session->get_selectionstart(1), 0));
4425                                                         mwindow->edl->local_session->set_selectionend(
4426                                                                 mwindow->edl->align_to_frame(mwindow->edl->local_session->get_selectionend(1), 1));
4427                                                 }
4428                                                 redraw = 1;
4429                                                 rerender = 1;
4430                                                 update_cursor = -1;
4431                                                 result = 1;
4432                                         }
4433                                 }
4434                                 else if(drag_start && track->record) {
4435                                         if(mwindow->edl->session->editing_mode == EDITING_ARROW) {
4436 // Need to create drag window
4437                                                 mwindow->session->current_operation = DRAG_EDIT;
4438                                                 mwindow->session->drag_edit = edit;
4439 //printf("TrackCanvas::do_edits 2\n");
4440
4441 // Drag only one edit if ctrl is initially down
4442                                                 if(ctrl_down()) {
4443                                                         mwindow->session->drag_edits->remove_all();
4444                                                         mwindow->session->drag_edits->append(edit);
4445                                                 }
4446                                                 else {
4447 // Construct list of all affected edits
4448                                                         mwindow->edl->tracks->get_affected_edits(
4449                                                                 mwindow->session->drag_edits,
4450                                                                 edit->track->from_units(edit->startproject),
4451                                                                 edit->track);
4452                                                 }
4453                                                 mwindow->session->drag_origin_x = cursor_x;
4454                                                 mwindow->session->drag_origin_y = cursor_y;
4455                                                 // Where the drag started, so we know relative position inside the edit later
4456                                                 mwindow->session->drag_position = (double)cursor_x *
4457                                                         mwindow->edl->local_session->zoom_sample /
4458                                                         mwindow->edl->session->sample_rate +
4459                                                         (double)mwindow->edl->local_session->view_start[pane->number] *
4460                                                         mwindow->edl->local_session->zoom_sample /
4461                                                         mwindow->edl->session->sample_rate;
4462
4463                                                 gui->drag_popup = new BC_DragWindow(gui,
4464                                                         mwindow->theme->get_image("clip_icon") /*,
4465                                                         get_abs_cursor_x(0) - mwindow->theme->get_image("clip_icon")->get_w() / 2,
4466                                                         get_abs_cursor_y(0) - mwindow->theme->get_image("clip_icon")->get_h() / 2 */);
4467
4468                                                 result = 1;
4469                                         }
4470                                 }
4471                         }
4472                 }
4473         }
4474         return result;
4475 }
4476
4477
4478 int TrackCanvas::test_resources(int cursor_x, int cursor_y)
4479 {
4480         return 0;
4481 }
4482
4483 int TrackCanvas::do_plugins(int cursor_x, int cursor_y, int drag_start,
4484         int button_press, int &redraw, int &rerender)
4485 {
4486         Plugin *plugin = 0;
4487         int result = 0;
4488         int done = 0;
4489         int64_t x, y, w, h;
4490         Track *track = 0;
4491
4492
4493 //      if(!mwindow->edl->session->show_assets) return 0;
4494
4495
4496         for(track = mwindow->edl->tracks->first; track && !done; track = track->next) {
4497                 if(!track->expand_view) continue;
4498
4499                 for(int i = 0; i < track->plugin_set.total && !done; i++) {
4500                         // first check if plugins are visible at all
4501                         if (!track->expand_view)
4502                                 continue;
4503                         PluginSet *plugin_set = track->plugin_set.values[i];
4504                         for(plugin = (Plugin*)plugin_set->first;
4505                                 plugin && !done;
4506                                 plugin = (Plugin*)plugin->next) {
4507                                 plugin_dimensions(plugin, x, y, w, h);
4508                                 if(MWindowGUI::visible(x, x + w, 0, get_w()) &&
4509                                         MWindowGUI::visible(y, y + h, 0, get_h())) {
4510                                         if(cursor_x >= x && cursor_x < x + w &&
4511                                                 cursor_y >= y && cursor_y < y + h) {
4512                                                 done = 1;
4513                                                 break;
4514                                         }
4515                                 }
4516                         }
4517                 }
4518         }
4519
4520         if(plugin) {
4521 // Start plugin popup
4522                 if(button_press) {
4523                         if(get_buttonpress() == 3) {
4524                                 gui->plugin_menu->update(plugin);
4525                                 gui->plugin_menu->activate_menu();
4526                                 result = 1;
4527                         }
4528                         else if (get_double_click() && !drag_start) {
4529 // Select range of plugin on doubleclick over plugin
4530                                 mwindow->edl->local_session->set_selectionstart(plugin->track->from_units(plugin->startproject));
4531                                 mwindow->edl->local_session->set_selectionend(plugin->track->from_units(plugin->startproject) +
4532                                         plugin->track->from_units(plugin->length));
4533                                 if(mwindow->edl->session->cursor_on_frames) {
4534                                         mwindow->edl->local_session->set_selectionstart(
4535                                                 mwindow->edl->align_to_frame(mwindow->edl->local_session->get_selectionstart(1), 0));
4536                                         mwindow->edl->local_session->set_selectionend(
4537                                                 mwindow->edl->align_to_frame(mwindow->edl->local_session->get_selectionend(1), 1));
4538                                 }
4539                                 rerender = 1;
4540                                 redraw = 1;
4541                                 result = 1;
4542                         }
4543                 }
4544                 else
4545 // Move plugin
4546                 if(drag_start && plugin->track->record) {
4547                         if(mwindow->edl->session->editing_mode == EDITING_ARROW) {
4548                                 if(plugin->track->data_type == TRACK_AUDIO)
4549                                         mwindow->session->current_operation = DRAG_AEFFECT_COPY;
4550                                 else if(plugin->track->data_type == TRACK_VIDEO)
4551                                         mwindow->session->current_operation = DRAG_VEFFECT_COPY;
4552
4553                                 mwindow->session->drag_plugin = plugin;
4554                                 mwindow->session->drag_origin_x = cursor_x;
4555                                 mwindow->session->drag_origin_y = cursor_y;
4556                                 // Where the drag started, so we know relative position inside the edit later
4557                                 mwindow->session->drag_position =
4558                                         (double)(cursor_x + mwindow->edl->local_session->view_start[pane->number]) *
4559                                         mwindow->edl->local_session->zoom_sample / mwindow->edl->session->sample_rate;
4560 // Create picon
4561                                 switch(plugin->plugin_type) {
4562                                 case PLUGIN_STANDALONE: {
4563                                         PluginServer *server =
4564                                                 mwindow->scan_plugindb(plugin->title, plugin->track->data_type);
4565                                         if( !server ) break;
4566                                         VFrame *frame = server->picon;
4567                                         if(!frame) {
4568                                                 if(plugin->track->data_type == TRACK_AUDIO) {
4569                                                         frame = mwindow->theme->get_image("aeffect_icon");
4570                                                 }
4571                                                 else {
4572                                                         frame = mwindow->theme->get_image("veffect_icon");
4573                                                 }
4574                                         }
4575
4576                                         gui->drag_popup = new BC_DragWindow(gui, frame /*,
4577                                                 get_abs_cursor_x(0) - frame->get_w() / 2,
4578                                                 get_abs_cursor_y(0) - frame->get_h() / 2 */);
4579                                                 break; }
4580
4581                                 case PLUGIN_SHAREDPLUGIN:
4582                                 case PLUGIN_SHAREDMODULE:
4583                                         gui->drag_popup = new BC_DragWindow(gui,
4584                                                 mwindow->theme->get_image("clip_icon") /*,
4585                                                 get_abs_cursor_x(0) - mwindow->theme->get_image("clip_icon")->get_w() / 2,
4586                                                 get_abs_cursor_y(0) - mwindow->theme->get_image("clip_icon")->get_h() / 2 */);
4587                                         break;
4588                                 }
4589
4590                                 result = 1;
4591                         }
4592                 }
4593         }
4594
4595         return result;
4596 }
4597
4598 int TrackCanvas::do_transitions(int cursor_x, int cursor_y,
4599         int button_press, int &new_cursor, int &update_cursor)
4600 {
4601         Transition *transition = 0;
4602         int result = 0;
4603         int64_t x, y, w, h;
4604
4605         if(/* !mwindow->edl->session->show_assets || */
4606                 !mwindow->edl->session->auto_conf->transitions) return 0;
4607
4608         for( Track *track = mwindow->edl->tracks->first; track && !result; track = track->next ) {
4609
4610                 for( Edit *edit = track->edits->first; edit; edit = edit->next ) {
4611                         if( edit->transition ) {
4612                                 edit_dimensions(edit, x, y, w, h);
4613                                 get_transition_coords(x, y, w, h);
4614
4615                                 if( MWindowGUI::visible(x, x + w, 0, get_w()) &&
4616                                         MWindowGUI::visible(y, y + h, 0, get_h()) ) {
4617                                         if( cursor_x >= x && cursor_x < x + w &&
4618                                                 cursor_y >= y && cursor_y < y + h ) {
4619                                                 transition = edit->transition;
4620                                                 result = 1;
4621                                                 break;
4622                                         }
4623                                 }
4624                         }
4625                 }
4626         }
4627
4628         update_cursor = 1;
4629         if(transition) {
4630                 if(!button_press) {
4631                         new_cursor = UPRIGHT_ARROW_CURSOR;
4632                 }
4633                 else if(get_buttonpress() == 3) {
4634                         gui->transition_menu->update(transition);
4635                         gui->transition_menu->activate_menu();
4636                 }
4637         }
4638
4639         return result;
4640 }
4641
4642 int TrackCanvas::button_press_event()
4643 {
4644         int result = 0;
4645         int cursor_x, cursor_y;
4646         int new_cursor;
4647
4648         cursor_x = get_cursor_x();
4649         cursor_y = get_cursor_y();
4650         mwindow->session->trim_edits = 0;
4651
4652         if(is_event_win() && cursor_inside()) {
4653 //              double position = (double)cursor_x *
4654 //                      mwindow->edl->local_session->zoom_sample /
4655 //                      mwindow->edl->session->sample_rate +
4656 //                      (double)mwindow->edl->local_session->view_start[pane->number] *
4657 //                      mwindow->edl->local_session->zoom_sample /
4658 //                      mwindow->edl->session->sample_rate;
4659
4660                 result = 1;
4661                 if(!active) {
4662                         activate();
4663                 }
4664
4665                 if( get_buttonpress() == LEFT_BUTTON ) {
4666                         gui->unlock_window();
4667                         gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
4668                         gui->lock_window("TrackCanvas::button_press_event");
4669                 }
4670
4671                 int update_overlay = 0, update_cursor = 0, rerender = 0;
4672
4673                 if(get_buttonpress() == WHEEL_UP) {
4674                         if(shift_down())
4675                                 mwindow->expand_sample();
4676                         else if(ctrl_down())
4677                                 mwindow->move_left(get_w()/ 10);
4678                         else
4679                                 mwindow->move_up(get_h() / 10);
4680                 }
4681                 else if(get_buttonpress() == WHEEL_DOWN) {
4682                         if(shift_down())
4683                                 mwindow->zoom_in_sample();
4684                         else if(ctrl_down())
4685                                 mwindow->move_right(get_w() / 10);
4686                         else
4687                                 mwindow->move_down(get_h() / 10);
4688                 }
4689                 else if(get_buttonpress() == 6) {
4690                         if(ctrl_down())
4691                                 mwindow->move_left(get_w());
4692                         else if(alt_down())
4693                                 mwindow->move_left(get_w() / 20);
4694                         else
4695                                 mwindow->move_left(get_w() / 5);
4696                 }
4697                 else if(get_buttonpress() == 7) {
4698                         if(ctrl_down())
4699                                 mwindow->move_right(get_w());
4700                         else if(alt_down())
4701                                 mwindow->move_right(get_w() / 20);
4702                         else
4703                                 mwindow->move_right(get_w() / 5);
4704                 }
4705                 else {
4706                         switch(mwindow->edl->session->editing_mode) {
4707 // Test handles and resource boundaries and highlight a track
4708                         case EDITING_ARROW: {
4709                                 if( do_transitions(cursor_x, cursor_y,
4710                                                 1, new_cursor, update_cursor) ) break;
4711
4712                                 if( do_keyframes(cursor_x, cursor_y,
4713                                         0, get_buttonpress(), new_cursor,
4714                                         update_cursor, rerender) ) break;
4715 // Test edit boundaries
4716                                 if( do_edit_handles(cursor_x, cursor_y,
4717                                         1, rerender, update_overlay, new_cursor,
4718                                         update_cursor) ) break;
4719 // Test plugin boundaries
4720                                 if( do_plugin_handles(cursor_x, cursor_y,
4721                                         1, rerender, update_overlay, new_cursor,
4722                                         update_cursor) ) break;
4723
4724                                 if( do_edits(cursor_x, cursor_y, 1, 0,
4725                                         update_cursor, rerender, new_cursor,
4726                                         update_cursor) ) break;
4727
4728                                 if( do_plugins(cursor_x, cursor_y, 0, 1,
4729                                         update_cursor, rerender) ) break;
4730
4731                                 if( test_resources(cursor_x, cursor_y) ) break;
4732
4733                                 if( do_tracks(cursor_x, cursor_y, 1) ) break;
4734
4735                                 result = 0;
4736                                 break; }
4737
4738 // Test handles only and select a region
4739                         case EDITING_IBEAM: {
4740                                 double position = (double)cursor_x *
4741                                         mwindow->edl->local_session->zoom_sample /
4742                                         mwindow->edl->session->sample_rate +
4743                                         (double)mwindow->edl->local_session->view_start[pane->number] *
4744                                         mwindow->edl->local_session->zoom_sample /
4745                                         mwindow->edl->session->sample_rate;
4746 //printf("TrackCanvas::button_press_event %d\n", position);
4747
4748                                 if( do_transitions(cursor_x, cursor_y,
4749                                                 1, new_cursor, update_cursor)) break;
4750                                 if(do_keyframes(cursor_x, cursor_y,
4751                                         0, get_buttonpress(), new_cursor,
4752                                         update_cursor, rerender)) {
4753                                         update_overlay = 1;
4754                                         break;
4755                                 }
4756 // Test edit boundaries
4757                                 if( do_edit_handles(cursor_x, cursor_y,
4758                                         1, rerender, update_overlay, new_cursor, update_cursor) ) break;
4759 // Test plugin boundaries
4760                                 if( do_plugin_handles(cursor_x, cursor_y,
4761                                         1, rerender, update_overlay, new_cursor, update_cursor) ) break;
4762
4763                                 if( do_edits(cursor_x, cursor_y,
4764                                         1, 0, update_cursor, rerender, new_cursor, update_cursor) ) break;
4765
4766                                 if( do_plugins(cursor_x, cursor_y, 0, 1, update_cursor, rerender) ) break;
4767
4768                                 if( do_tracks(cursor_x, cursor_y, 1) ) break;
4769 // Highlight selection
4770                                 if( get_buttonpress() != LEFT_BUTTON ) break;
4771                                 rerender = start_selection(position);
4772                                 mwindow->session->current_operation = SELECT_REGION;
4773                                 update_cursor = 1;
4774                                 break; }
4775                         }
4776                 }
4777
4778                 if( rerender ) {
4779                         gui->unlock_window();
4780                         mwindow->cwindow->update(1, 0, 0, 0, 1);
4781                         gui->lock_window("TrackCanvas::button_press_event 2");
4782 // Update faders
4783                         mwindow->update_plugin_guis();
4784                         gui->update_patchbay();
4785                 }
4786
4787                 if( update_overlay ) {
4788                         gui->draw_overlays(1);
4789                 }
4790                 if( update_cursor < 0 ) {
4791 // double_click edit
4792                         gui->swindow->update_selection();
4793                 }
4794                 if( update_cursor ) {
4795                         gui->update_timebar(0);
4796                         gui->hide_cursor(0);
4797                         gui->show_cursor(1);
4798                         gui->zoombar->update();
4799                         gui->flash_canvas(1);
4800                 }
4801         }
4802         return result;
4803 }
4804
4805 int TrackCanvas::start_selection(double position)
4806 {
4807         int rerender = 0;
4808         position = mwindow->edl->align_to_frame(position, 0);
4809
4810
4811 // Extend a border
4812         if(shift_down())
4813         {
4814                 double midpoint = (mwindow->edl->local_session->get_selectionstart(1) +
4815                         mwindow->edl->local_session->get_selectionend(1)) / 2;
4816
4817                 if(position < midpoint)
4818                 {
4819                         mwindow->edl->local_session->set_selectionstart(position);
4820                         selection_midpoint = mwindow->edl->local_session->get_selectionend(1);
4821 // Que the CWindow
4822                         rerender = 1;
4823                 }
4824                 else
4825                 {
4826                         mwindow->edl->local_session->set_selectionend(position);
4827                         selection_midpoint = mwindow->edl->local_session->get_selectionstart(1);
4828 // Don't que the CWindow for the end
4829                 }
4830         }
4831         else
4832 // Start a new selection
4833         {
4834 //printf("TrackCanvas::start_selection %f\n", position);
4835                 mwindow->edl->local_session->set_selectionstart(position);
4836                 mwindow->edl->local_session->set_selectionend(position);
4837                 selection_midpoint = position;
4838 // Que the CWindow
4839                 rerender = 1;
4840         }
4841
4842         return rerender;
4843 }
4844
4845 void TrackCanvas::end_edithandle_selection()
4846 {
4847         mwindow->modify_edithandles();
4848 }
4849
4850 void TrackCanvas::end_pluginhandle_selection()
4851 {
4852         mwindow->modify_pluginhandles();
4853 }
4854
4855
4856 double TrackCanvas::time_visible()
4857 {
4858         return (double)get_w() *
4859                 mwindow->edl->local_session->zoom_sample /
4860                 mwindow->edl->session->sample_rate;
4861 }
4862
4863
4864 void TrackCanvas::show_message(Auto *current, int show_curve_type, const char *fmt, ...)
4865 {
4866         char string[BCTEXTLEN];
4867         char *cp = string, *ep = cp + sizeof(string)-1;
4868         if( show_curve_type ) {
4869                 cp += snprintf(string, ep-cp, "%-8s ",
4870                         FloatAuto::curve_name(((FloatAuto*)current)->curve_mode));
4871         }
4872         char string2[BCTEXTLEN];
4873         Units::totext(string2,
4874                 current->autos->track->from_units(current->position),
4875                 mwindow->edl->session->time_format,
4876                 mwindow->edl->session->sample_rate,
4877                 mwindow->edl->session->frame_rate,
4878                 mwindow->edl->session->frames_per_foot);
4879         cp += snprintf(cp, ep-cp, "%s", string2);
4880         va_list ap;
4881         va_start(ap, fmt);
4882         vsnprintf(cp, ep-cp, fmt, ap);
4883         va_end(ap);
4884         gui->show_message(string);
4885 }
4886
4887 // Patchbay* TrackCanvas::get_patchbay()
4888 // {
4889 //      if(pane->patchbay) return pane->patchbay;
4890 //      if(gui->total_panes() == 2 &&
4891 //              gui->pane[TOP_LEFT_PANE] &&
4892 //              gui->pane[TOP_RIGHT_PANE])
4893 //              return gui->pane[TOP_LEFT_PANE]->patchbay;
4894 //      if(gui->total_panes() == 4)
4895 //      {
4896 //              if(pane->number == TOP_RIGHT_PANE)
4897 //                      return gui->pane[TOP_LEFT_PANE]->patchbay;
4898 //              else
4899 //                      return gui->pane[BOTTOM_LEFT_PANE]->patchbay;
4900 //      }
4901 //
4902 //      return 0;
4903 // }
4904
4905