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_range()
1856 {
1857         if( !mwindow->preferences->use_brender || !mwindow->brender_active ) return;
1858         if( mwindow->edl->session->brender_start >= mwindow->edl->session->brender_end ) return;
1859         if( mwindow->edl->session->brender_end > 0 )
1860         {
1861                 int64_t x1 = Units::round(mwindow->edl->session->brender_start *
1862                         mwindow->edl->session->sample_rate /
1863                         mwindow->edl->local_session->zoom_sample -
1864                         mwindow->edl->local_session->view_start[pane->number]);
1865                 if(MWindowGUI::visible(x1, x1 + 1, 0, get_w()))
1866                 {
1867                         set_color(RED);
1868                         draw_line(x1, 0, x1, get_h());
1869                 }
1870                 int64_t x2 = Units::round(mwindow->edl->session->brender_end *
1871                         mwindow->edl->session->sample_rate /
1872                         mwindow->edl->local_session->zoom_sample -
1873                         mwindow->edl->local_session->view_start[pane->number]);
1874
1875                 if(MWindowGUI::visible(x2, x2 + 1, 0, get_w()))
1876                 {
1877                         set_color(RED);
1878                         draw_line(x2, 0, x2, get_h());
1879                 }
1880         }
1881 }
1882
1883 // The operations which correspond to each automation type
1884 int TrackCanvas::auto_operations[AUTOMATION_TOTAL] =
1885 {
1886         DRAG_MUTE,
1887         DRAG_CAMERA_X,
1888         DRAG_CAMERA_Y,
1889         DRAG_CAMERA_Z,
1890         DRAG_PROJECTOR_X,
1891         DRAG_PROJECTOR_Y,
1892         DRAG_PROJECTOR_Z,
1893         DRAG_FADE,
1894         DRAG_PAN,
1895         DRAG_MODE,
1896         DRAG_MASK,
1897         DRAG_SPEED
1898 };
1899
1900 // The buttonpress operations, so nothing changes unless the mouse moves
1901 // a certain amount.  This allows the keyframe to be used to position the
1902 // insertion point without moving itself.
1903 static int pre_auto_operations[AUTOMATION_TOTAL] =
1904 {
1905         DRAG_MUTE,
1906         DRAG_CAMERA_X,
1907         DRAG_CAMERA_Y,
1908         DRAG_CAMERA_Z,
1909         DRAG_PROJECTOR_X,
1910         DRAG_PROJECTOR_Y,
1911         DRAG_PROJECTOR_Z,
1912         DRAG_FADE,
1913         DRAG_PAN_PRE,
1914         DRAG_MODE_PRE,
1915         DRAG_MASK_PRE,
1916         DRAG_SPEED
1917 };
1918
1919
1920 int TrackCanvas::do_keyframes(int cursor_x,
1921         int cursor_y,
1922         int draw,
1923         int buttonpress,
1924         int &new_cursor,
1925         int &update_cursor,
1926         int &rerender)
1927 {
1928 // Note: button 3 (right mouse button) is not eaten to allow
1929 // track context menu to appear
1930         int result = 0;
1931         EDLSession *session = mwindow->edl->session;
1932
1933
1934
1935         static BC_Pixmap *auto_pixmaps[AUTOMATION_TOTAL] =
1936         {
1937                 0, 0, 0, 0, 0, 0, 0, 0,
1938                 pankeyframe_pixmap,
1939                 modekeyframe_pixmap,
1940                 maskkeyframe_pixmap,
1941         };
1942
1943
1944
1945         for(Track *track = mwindow->edl->tracks->first;
1946                 track && !result;
1947                 track = track->next) {
1948                 Auto *auto_keyframe = 0;
1949                 Automation *automation = track->automation;
1950
1951
1952 // Handle keyframes in reverse drawing order if a button press
1953                 int start = 0;
1954                 int end = AUTOMATION_TOTAL;
1955                 int step = 1;
1956                 if(buttonpress)
1957                 {
1958                         start = AUTOMATION_TOTAL - 1;
1959                         end = -1;
1960                         step = -1;
1961                 }
1962                 for(int i = start; i != end && !result; i += step)
1963                 {
1964 // Event not trapped and automation visible
1965                         Autos *autos = automation->autos[i];
1966                         if(!result && session->auto_conf->autos[i] && autos) {
1967                                 switch(i) {
1968                                 case AUTOMATION_MODE:
1969                                 case AUTOMATION_PAN:
1970                                 case AUTOMATION_MASK:
1971                                         result = do_autos(track, automation->autos[i],
1972                                                 cursor_x, cursor_y, draw,
1973                                                 buttonpress, auto_pixmaps[i],
1974                                                 auto_keyframe, rerender);
1975                                                 break;
1976
1977                                 default: {
1978                                         switch(autos->get_type()) {
1979                                         case Autos::AUTOMATION_TYPE_FLOAT: {
1980                                                 Automation automation(0, track);
1981                                                 int grouptype = automation.autogrouptype(i, track);
1982                                                 if(draw) // Do dropshadow
1983                                                         result = do_float_autos(track, autos,
1984                                                                 cursor_x, cursor_y, draw,
1985                                                                 buttonpress, 1, 1, MDGREY,
1986                                                                 auto_keyframe, grouptype);
1987
1988                                                 result = do_float_autos(track, autos,
1989                                                         cursor_x, cursor_y, draw, buttonpress,
1990                                                         0, 0, GWindowGUI::auto_colors[i],
1991                                                         auto_keyframe, grouptype);
1992                                                 break; }
1993
1994                                         case Autos::AUTOMATION_TYPE_INT: {
1995                                                 if(draw) // Do dropshadow
1996                                                         result = do_int_autos(track, autos,
1997                                                                 cursor_x, cursor_y, draw,
1998                                                                 buttonpress, 1, 1, MDGREY,
1999                                                                 auto_keyframe);
2000                                                 result = do_int_autos(track, autos,
2001                                                         cursor_x, cursor_y, draw, buttonpress,
2002                                                         0, 0, GWindowGUI::auto_colors[i],
2003                                                         auto_keyframe);
2004                                                 break; }
2005                                         }
2006                                         break; }
2007                                 }
2008
2009                                 if(result)
2010                                 {
2011                                         if(mwindow->session->current_operation == auto_operations[i])
2012                                                 rerender = 1;
2013
2014 // printf("TrackCanvas::do_keyframes %d %d %d\n",
2015 // __LINE__,
2016 // mwindow->session->current_operation,
2017 // auto_operations[i]);
2018                                         if(buttonpress)
2019                                         {
2020                                                 if (buttonpress != 3)
2021                                                 {
2022                                                         if(i == AUTOMATION_FADE || i == AUTOMATION_SPEED)
2023                                                                 synchronize_autos(0,
2024                                                                         track,
2025                                                                         (FloatAuto*)mwindow->session->drag_auto,
2026                                                                         1);
2027                                                         mwindow->session->current_operation = pre_auto_operations[i];
2028                                                         update_drag_caption();
2029                                                         rerender = 1;
2030                                                 }
2031                                                 else if( auto_keyframe )
2032                                                 {
2033                                                         gui->keyframe_menu->update(automation,
2034                                                                 autos,
2035                                                                 auto_keyframe);
2036                                                         gui->keyframe_menu->activate_menu();
2037                                                         rerender = 1; // the position changes
2038                                                 }
2039                                                 else if( autos )
2040                                                 {
2041                                                         gui->keyframe_hide->update(autos);
2042                                                         gui->keyframe_hide->activate_menu();
2043                                                         rerender = 1; // the position changes
2044                                                 }
2045                                                 if(buttonpress == 1 && ctrl_down() &&
2046                                                    AUTOMATION_TYPE_FLOAT == autos->get_type())
2047                                                         rerender = 1; // special case: curve mode changed
2048                                         }
2049                                 }
2050                         }
2051                 }
2052
2053                 if(!result &&
2054                         session->auto_conf->plugins /* &&
2055                         mwindow->edl->session->show_assets */) {
2056                         Plugin *plugin;
2057                         KeyFrame *keyframe;
2058                         result = do_plugin_autos(track, cursor_x, cursor_y,
2059                                 draw, buttonpress, plugin, keyframe);
2060                         if(result && mwindow->session->current_operation == DRAG_PLUGINKEY) {
2061                                 rerender = 1;
2062                         }
2063                         if(result && (buttonpress == 1)) {
2064                                 mwindow->session->current_operation = DRAG_PLUGINKEY_PRE;
2065                                 update_drag_caption();
2066                                 rerender = 1;
2067                         }
2068                         else if (result && (buttonpress == 3)) {
2069                                 gui->keyframe_menu->update(plugin, keyframe);
2070                                 gui->keyframe_menu->activate_menu();
2071                                 rerender = 1; // the position changes
2072                         }
2073                 }
2074         }
2075
2076 // Final pass to trap event
2077         for(int i = 0; i < AUTOMATION_TOTAL; i++) {
2078                 if(mwindow->session->current_operation == pre_auto_operations[i] ||
2079                         mwindow->session->current_operation == auto_operations[i]) {
2080                         result = 1;
2081                         break;
2082                 }
2083         }
2084
2085         if(mwindow->session->current_operation == DRAG_PLUGINKEY ||
2086                 mwindow->session->current_operation == DRAG_PLUGINKEY_PRE) {
2087                 result = 1;
2088         }
2089
2090         update_cursor = 1;
2091         if(result) {
2092                 new_cursor = UPRIGHT_ARROW_CURSOR;
2093         }
2094
2095
2096         return result;
2097 }
2098
2099 void TrackCanvas::draw_keyframe_reticle()
2100 {
2101         int keyframe_hairline = mwindow->preferences->keyframe_reticle;
2102         if( keyframe_hairline == HAIRLINE_NEVER ) return;
2103
2104         int current_op = mwindow->session->current_operation, dragging = 0;
2105         for( int i=0; !dragging && i<AUTOMATION_TOTAL; ++i )
2106                 if( current_op == auto_operations[i] ) dragging = 1;
2107
2108         if( keyframe_hairline == HAIRLINE_DRAGGING && dragging ) {
2109                 if( mwindow->session->drag_auto && get_buttonpress() == 1 ) {
2110                         draw_hairline(mwindow->session->drag_auto, RED);
2111                         return;
2112                 }
2113         }
2114
2115         if( keyframe_hairline == HAIRLINE_ALWAYS || ( get_buttonpress() == 2 &&
2116             keyframe_hairline == HAIRLINE_DRAGGING && dragging ) ) {
2117                 for( Track *track = mwindow->edl->tracks->first; track;
2118                      track=track->next ) {
2119                         Automation *automation = track->automation;
2120                         for( int i=0; i<AUTOMATION_TOTAL; ++i ) {
2121                                 if( !mwindow->edl->session->auto_conf->autos[i] ) continue;
2122                                 // automation visible
2123                                 Autos *autos = automation->autos[i];
2124                                 if( !autos ) continue;
2125                                 for( Auto *auto_keyframe=autos->first; auto_keyframe;
2126                                      auto_keyframe = auto_keyframe->next ) {
2127                                         draw_hairline(auto_keyframe, GREEN);
2128                                 }
2129                         }
2130
2131                         if( dragging && mwindow->session->drag_auto ) {
2132                                 draw_hairline(mwindow->session->drag_auto, RED);
2133                         }
2134                 }
2135         }
2136 }
2137
2138 void TrackCanvas::draw_auto(Auto *current,
2139         int x,
2140         int y,
2141         int center_pixel,
2142         int zoom_track)
2143 {
2144         int x1, y1, x2, y2;
2145
2146         x1 = x - HANDLE_W / 2;
2147         x2 = x + HANDLE_W / 2;
2148         y1 = center_pixel + y - HANDLE_W / 2;
2149         y2 = center_pixel + y + HANDLE_W / 2;
2150
2151         if(y1 < center_pixel + -zoom_track / 2) y1 = center_pixel + -zoom_track / 2;
2152         if(y2 > center_pixel + zoom_track / 2) y2 = center_pixel + zoom_track / 2;
2153
2154         draw_box(x1, y1, x2 - x1, y2 - y1);
2155 }
2156
2157
2158 // This draws lines for bezier in & out controls
2159 void TrackCanvas::draw_cropped_line(int x1,
2160         int y1,
2161         int x2,
2162         int y2,
2163         int min_y,
2164         int max_y)
2165 {
2166
2167
2168 // Don't care about x since it is clipped by the window.
2169 // Put y coords in ascending order
2170         if(y2 < y1) {
2171                 y2 ^= y1; y1 ^= y2; y2 ^= y1;
2172                 x2 ^= x1; x1 ^= x2; x2 ^= x1;
2173         }
2174
2175
2176
2177         double slope = (double)(x2 - x1) / (y2 - y1);
2178 //printf("TrackCanvas::draw_cropped_line %d %d %d %d %d\n", __LINE__, x1, y1, x2, y2);
2179         if(y1 < min_y) {
2180                 x1 = (int)(x1 + (min_y - y1) * slope);
2181                 y1 = min_y;
2182         }
2183         else if(y1 >= max_y) {
2184                 x1 = (int)(x1 + (max_y - 1 - y1) * slope);
2185                 y1 = max_y - 1;
2186         }
2187
2188         if(y2 >= max_y) {
2189                 x2 = (int)(x2 + (max_y - 1 - y2) * slope);
2190                 y2 = max_y - 1;
2191         }
2192         else if(y2 < min_y) {
2193                 x2 = (int)(x2 + (min_y - y2) * slope);
2194                 y1 = min_y;
2195         }
2196
2197
2198 //printf("TrackCanvas::draw_cropped_line %d %d %d %d %d\n", __LINE__, x1, y1, x2, y2);
2199         if( y1 >= min_y && y1 < max_y &&
2200             y2 >= min_y && y2 < max_y )
2201                 draw_line(x1, y1, x2, y2);
2202 }
2203
2204
2205 void TrackCanvas::draw_floatauto(FloatAuto *current,
2206         int x,
2207         int y,
2208         int in_x,
2209         int in_y,
2210         int out_x,
2211         int out_y,
2212         int center_pixel,
2213         int zoom_track,
2214         int color)
2215 {
2216         int x1 = x - HANDLE_W / 2; // Center
2217         int x2 = x + HANDLE_W / 2;
2218         int y1 = center_pixel + y - HANDLE_H / 2;
2219         int y2 = center_pixel + y + HANDLE_H / 2;
2220         int ymin = center_pixel - zoom_track / 2;
2221         int ymax = center_pixel + zoom_track / 2;
2222         CLAMP(y1, ymin, ymax);
2223         CLAMP(y2, ymin, ymax);
2224
2225         if(y2 - 1 > y1)
2226         {
2227                 set_color(BLACK);
2228                 draw_box(x1 + 1, y1 + 1, x2 - x1, y2 - y1);
2229                 set_color(color);
2230                 draw_box(x1, y1, x2 - x1, y2 - y1);
2231         }
2232
2233 // show bezier control points (only) if this
2234 // floatauto doesn't adjust it's tangents automatically
2235         if(current->curve_mode != FloatAuto::FREE &&
2236            current->curve_mode != FloatAuto::TFREE)
2237                 return;
2238
2239         if(in_x != x)
2240                 draw_floatauto_ctrlpoint(x, y, in_x, in_y, center_pixel, zoom_track, color);
2241         if(out_x != x)
2242                 draw_floatauto_ctrlpoint(x, y, out_x, out_y, center_pixel, zoom_track, color);
2243 }
2244
2245 inline int quantize(float f) { return (int)floor(f + 0.5); }
2246
2247 inline void TrackCanvas::draw_floatauto_ctrlpoint(
2248         int x, int y, int cp_x, int cp_y, int center_pixel,
2249         int zoom_track, int color)
2250 // draw the tangent and a handle for given bézier ctrl point
2251 {
2252         bool handle_visible = (abs(cp_y) <= zoom_track / 2);
2253
2254         float slope = (float)(cp_y - y)/(cp_x - x);
2255         CLAMP(cp_y, -zoom_track / 2, zoom_track / 2);
2256         if(slope != 0)
2257                 cp_x = x + quantize((cp_y - y) / slope);
2258
2259         y    += center_pixel;
2260         cp_y += center_pixel;
2261
2262         // drawing the tangent as a dashed line...
2263         int const dash = HANDLE_W;
2264         int const gap  = HANDLE_W / 2;
2265         float sx = 3 * (cp_x - x) / 4.;
2266         float ex = 0;
2267
2268         // q is the x displacement for a unit line of slope
2269         float q = (sx > 0 ? 1 : -1) / sqrt(1 + slope * slope);
2270
2271         float dist = 1/q * sx;
2272         if( dist > dash )
2273                 ex = sx - q * dash;
2274
2275         set_color(color);
2276         do {
2277                 float sy = slope * sx, ey = slope * ex;
2278                 draw_line(quantize(sx + x), quantize(sy + y), quantize(ex + x), quantize(ey + y));
2279                 sx = ex - q * gap;
2280                 ex = sx - q * dash;
2281         } while(q*ex > 0);
2282
2283         if(handle_visible)
2284         {
2285                 int r = HANDLE_W / 2;
2286                 int cp_x1 = cp_x - r;
2287                 int cp_y1 = cp_y - r;
2288                 set_color(BLACK);
2289                 draw_disc(cp_x1, cp_y1, 2 * r, 2 * r);
2290                 set_color(color);
2291                 draw_circle(cp_x1, cp_y1, 2 * r, 2 * r);
2292         }
2293 }
2294
2295
2296 int TrackCanvas::test_auto(Auto *current,
2297         int x, int y, int center_pixel, int zoom_track,
2298         int cursor_x, int cursor_y, int buttonpress)
2299 {
2300         int x1, y1, x2, y2;
2301         int result = 0;
2302
2303         x1 = x - HANDLE_W / 2;
2304         x2 = x + HANDLE_W / 2;
2305         y1 = center_pixel + y - HANDLE_H / 2;
2306         y2 = center_pixel + y + HANDLE_H / 2;
2307         int ymin = center_pixel - zoom_track / 2;
2308         int ymax = center_pixel + zoom_track / 2;
2309         CLAMP(y1, ymin, ymax);
2310         CLAMP(y2, ymin, ymax);
2311
2312         if(cursor_x >= x1 && cursor_x < x2 && cursor_y >= y1 && cursor_y < y2)
2313         {
2314                 if(buttonpress && buttonpress != 3)
2315                 {
2316                         mwindow->session->drag_auto = current;
2317                         mwindow->session->drag_start_percentage = (float)((IntAuto*)current)->value;
2318                         // Toggle Autos don't respond to vertical zoom, they always show up
2319                         // with "on" == 100% == line on top
2320                         mwindow->session->drag_start_position = current->position;
2321                         mwindow->session->drag_origin_x = cursor_x;
2322                         mwindow->session->drag_origin_y = cursor_y;
2323                 }
2324                 result = 1;
2325         }
2326
2327         if(buttonpress && buttonpress != 3 && result)
2328         {
2329 //printf("TrackCanvas::test_auto %d\n", __LINE__);
2330                 mwindow->undo->update_undo_before();
2331         }
2332
2333         return result;
2334 }
2335
2336 // some Helpers for test_floatauto(..)
2337 // and for dragging the tangents/ctrl points
2338 inline float test_curve_line( int x0, int y0, int ctrl_x, int ctrl_y,
2339         float cursor_x, float cursor_y)
2340 {
2341 // Control point switched off?
2342         if( x0 == ctrl_x ) return 0.0;
2343         double x1 = ctrl_x-x0, y1 = ctrl_y-y0;
2344         double x = cursor_x-x0, y = cursor_y-y0;
2345 // wrong side of ctrl handle
2346         if( x*x1 < 0 ) return 0.0;
2347 // outside handle radius
2348         if( (x*x + y*y) > (x1*x1 + y1*y1) ) return 0;
2349         double xx1 = x1*x1, yy1 = y1*y1;
2350         double xx = x*x, yy = y*y;
2351 // distance squared from cursor to cursor projected to line from ctrl to handle
2352 //   along a line perpendicular to line from ctrl to handle (closest approach)
2353 // (x**2*y1**2 - 2*x*x1*y*y1 + x1**2*y**2)/(x1**2 + y1**2)
2354         double dist2 = (xx*yy1 - 2*x*x1*y*y1 + xx1*yy)/(xx1 + yy1);
2355         return dist2 < (HANDLE_W*HANDLE_W)/4. ? x/x1 : 0.;
2356 }
2357
2358
2359 inline
2360 float levered_position(float position, float ref_pos)
2361 {
2362         if( 1e-6 > fabs(ref_pos) || isnan(ref_pos))
2363                 return 0.0;
2364         return ref_pos / position;
2365 }
2366
2367
2368 float TrackCanvas::value_to_percentage(float auto_value, int autogrouptype)
2369 // transforms automation value into current display coords,
2370 // dependant on current automation display range for the given kind of automation
2371 {
2372         if(!mwindow || !mwindow->edl) return 0;
2373         float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
2374         float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
2375         float automation_range = automation_max - automation_min;
2376         if( 0 >= automation_range || isnan(auto_value) || isinf(auto_value) )
2377                 return 0;
2378         return (auto_value - automation_min) / automation_range;
2379 }
2380
2381
2382
2383 int TrackCanvas::test_floatauto(FloatAuto *current, int x, int y, int in_x,
2384         int in_y, int out_x, int out_y, int center_pixel, int zoom_track,
2385         int cursor_x, int cursor_y, int buttonpress, int autogrouptype)
2386 {
2387         int result = 0;
2388
2389         int x1 = x - HANDLE_W / 2;
2390         int x2 = x + HANDLE_W / 2;
2391         int y1 = center_pixel + y - HANDLE_W / 2;
2392         int y2 = center_pixel + y + HANDLE_W / 2;
2393         int ymin = center_pixel - zoom_track / 2;
2394         int ymax = center_pixel + zoom_track / 2;
2395         CLAMP(y1, ymin, ymax);
2396         CLAMP(y2, ymin, ymax);
2397
2398         int in_x1 = in_x - HANDLE_W / 2;
2399         int in_x2 = in_x + HANDLE_W / 2;
2400         int in_y1 = center_pixel + in_y - HANDLE_W / 2;
2401         int in_y2 = center_pixel + in_y + HANDLE_W / 2;
2402         CLAMP(in_y1, ymin, ymax);
2403         CLAMP(in_y2, ymin, ymax);
2404
2405         int out_x1 = out_x - HANDLE_W / 2;
2406         int out_x2 = out_x + HANDLE_W / 2;
2407         int out_y1 = center_pixel + out_y - HANDLE_W / 2;
2408         int out_y2 = center_pixel + out_y + HANDLE_W / 2;
2409         CLAMP(out_y1, ymin, ymax);
2410         CLAMP(out_y2, ymin, ymax);
2411
2412
2413 //printf("TrackCanvas::test_floatauto %d %d %d %d %d %d\n", cursor_x, cursor_y, x1, x2, y1, y2);
2414 // buttonpress could be the start of a drag operation
2415 #define INIT_DRAG(POS,VAL) \
2416                 mwindow->session->drag_auto = current;      \
2417                 mwindow->session->drag_origin_x = cursor_x;  \
2418                 mwindow->session->drag_origin_y = cursor_y;   \
2419                 mwindow->session->drag_start_position = (POS); \
2420                 mwindow->session->drag_start_percentage = (VAL);
2421
2422 #define WITHIN(X1,X2,Y1,Y2) (cursor_x >=(X1) && cursor_x <(X2) && cursor_y >=(Y1) && cursor_y <(Y2) )
2423
2424
2425 // without modifier we are manipulating the automation node
2426 // with ALT it's about dragging only the value of the node
2427 // with SHIFT the value snaps to the value of neighbouring nodes
2428 // CTRL indicates we are rather manipulating the tangent(s) of the node
2429
2430         if(!ctrl_down())
2431         {
2432                 if( WITHIN(x1,x2,y1,y2))
2433                 {       // cursor hits node
2434                         result = 1;
2435
2436                         if(buttonpress && (buttonpress != 3))
2437                         {
2438                                 INIT_DRAG(current->position, value_to_percentage(current->get_value(), autogrouptype))
2439                                 mwindow->session->drag_handle = 0;
2440                 }       }
2441         }
2442         else // ctrl_down()
2443         {
2444                 if( WITHIN(x1,x2,y1,y2))
2445                 {
2446                         result = 1;
2447                         if(buttonpress && (buttonpress != 3))
2448                         {
2449                                 // could be ctrl-click or ctrl-drag
2450                                 // click would cycle through tangent modes
2451                                 ((FloatAuto*)current)->toggle_curve_mode();
2452
2453                                 // drag will start dragging the tangent, if applicable
2454                                 INIT_DRAG(current->position, value_to_percentage(current->get_value(), autogrouptype))
2455                                 mwindow->session->drag_handle = 0;
2456                         }
2457                 }
2458
2459                 float lever = 0.0; // we use the tangent as a draggable lever. 1.0 is at the ctrl point
2460
2461 // Test in control
2462                 if( in_x != x && current->position > 0 &&
2463                         (FloatAuto::FREE == current->curve_mode ||
2464                          FloatAuto::TFREE == current->curve_mode))
2465 // act on in control handle only if
2466 // tangent is significant and is editable (not automatically choosen)
2467                 {
2468                         lever = test_curve_line(x, y, in_x, in_y, cursor_x, cursor_y-center_pixel);
2469  // either cursor in ctrl-point handle or cursor on tangent line
2470                         if( WITHIN(in_x1,in_x2,in_y1,in_y2) || lever > 0.0 ) {
2471                                 result = 1;
2472                                 if(buttonpress && (buttonpress != 3)) {
2473                                         if(lever == 0.0) lever=1.0; // we entered by dragging the handle...
2474 //                                      lever = 1.0;
2475                                         mwindow->session->drag_handle = 1;
2476                                         float new_invalue = current->get_value() + lever * current->get_control_in_value();
2477                                         INIT_DRAG(current->position + (int64_t)(lever * current->get_control_in_position()),
2478                                                   value_to_percentage(new_invalue, autogrouptype))
2479                                 }
2480                         }
2481                 }
2482
2483 // Test out control
2484                 if(out_x != x &&
2485                         (FloatAuto::FREE == current->curve_mode ||
2486                          FloatAuto::TFREE == current->curve_mode))
2487 // act on out control only if tangent is significant and is editable
2488                 {
2489                         lever = test_curve_line(x, y, out_x, out_y, cursor_x, cursor_y-center_pixel);
2490                         if(WITHIN(out_x1,out_x2,out_y1,out_y2) || lever > 0.0 ) {
2491                                 result = 1;
2492                                 if(buttonpress && (buttonpress != 3)) {
2493                                         if(lever == 0.0) lever=1.0;
2494 //                                      lever = 1.0;
2495                                         mwindow->session->drag_handle = 2;
2496                                         float new_outvalue = current->get_value() + lever * current->get_control_out_value();
2497                                         INIT_DRAG(current->position + (int64_t)(lever * current->get_control_out_position()),
2498                                                   value_to_percentage(new_outvalue, autogrouptype))
2499                                 }
2500                         }
2501                 }
2502         } // end ctrl_down()
2503
2504 #undef WITHIN
2505 #undef INIT_DRAG
2506
2507 // if(buttonpress)
2508 // 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",
2509 // mwindow->session->drag_handle,
2510 // ctrl_down(),
2511 // cursor_x,
2512 // cursor_y,
2513 // x1, x2, y1, y2);
2514         if(buttonpress && (buttonpress != 3) && result)
2515         {
2516                 mwindow->undo->update_undo_before();
2517         }
2518
2519         return result;
2520 }
2521
2522
2523 // Get the float value & y for position x on the canvas
2524 #define X_TO_FLOATLINE(x) \
2525         int64_t position1 = (int64_t)(unit_start + x * zoom_units); \
2526         int64_t position2 = (int64_t)(unit_start + x * zoom_units) + 1; \
2527 /* Call by reference fails for some reason here */ \
2528         float value1 = autos->get_value(position1, PLAY_FORWARD, previous1, next1); \
2529         float value2 = autos->get_value(position2, PLAY_FORWARD, previous1, next1); \
2530         double position = unit_start + x * zoom_units; \
2531         double value = 0; \
2532         if(position2 > position1) \
2533         { \
2534                 value = value1 + \
2535                         (value2 - value1) * \
2536                         (position - position1) / \
2537                         (position2 - position1); \
2538         } \
2539         else \
2540         { \
2541                 value = value1; \
2542         } \
2543         AUTOMATIONCLAMPS(value, autogrouptype); \
2544         int y = center_pixel + \
2545                 (int)(((value - automation_min) / automation_range - 0.5) * -yscale);
2546
2547
2548 void TrackCanvas::draw_floatline(int center_pixel,
2549         FloatAuto *previous, FloatAuto *next, FloatAutos *autos,
2550         double unit_start, double zoom_units, double yscale,
2551         int x1, int y1, int x2, int y2,
2552         int color, int autogrouptype)
2553 {
2554 // Solve bezier equation for either every pixel or a certain large number of
2555 // points.
2556
2557 // Not using slope intercept
2558         x1 = MAX(0, x1);
2559         int prev_y = y1 + center_pixel;
2560
2561
2562 // Call by reference fails for some reason here
2563         FloatAuto *previous1 = previous, *next1 = next;
2564         float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
2565         float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
2566         float automation_range = automation_max - automation_min;
2567
2568         for(int x = x1; x < x2; x++)
2569         {
2570 // Interpolate value between frames
2571                 X_TO_FLOATLINE(x)
2572
2573                 if(/* x > x1 && */
2574                         y >= center_pixel - yscale / 2 &&
2575                         y < center_pixel + yscale / 2 - 1)
2576                 {
2577 // printf("TrackCanvas::draw_floatline y=%d min=%d max=%d\n",
2578 // y,
2579 // (int)(center_pixel - yscale / 2),
2580 // (int)(center_pixel + yscale / 2 - 1));
2581
2582 //printf("draw_line(%d,%d,  %d,%d)\n", x - 1, prev_y  , x, y);
2583                         draw_line(x - 1, prev_y  , x, y   );
2584                 }
2585                 prev_y = y;
2586         }
2587 }
2588
2589
2590
2591
2592
2593 int TrackCanvas::test_floatline(int center_pixel,
2594                 FloatAutos *autos,
2595                 double unit_start,
2596                 double zoom_units,
2597                 double yscale,
2598                 int x1,
2599                 int x2,
2600                 int cursor_x,
2601                 int cursor_y,
2602                 int buttonpress,
2603                 int autogrouptype)
2604 {
2605         int result = 0;
2606
2607
2608         float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
2609         float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
2610         float automation_range = automation_max - automation_min;
2611         FloatAuto *previous1 = 0, *next1 = 0;
2612         X_TO_FLOATLINE(cursor_x);
2613
2614         if(cursor_x >= x1 &&
2615                 cursor_x < x2 &&
2616                 cursor_y >= y - HANDLE_W / 2 &&
2617                 cursor_y < y + HANDLE_W / 2 &&
2618                 !ctrl_down())
2619         {
2620                 result = 1;
2621
2622 // Menu
2623                 if(buttonpress == 3)
2624                 {
2625                 }
2626                 else
2627 // Create keyframe
2628                 if(buttonpress)
2629                 {
2630                         Auto *current;
2631                         mwindow->undo->update_undo_before();
2632                         double position = autos->track->from_units(position1);
2633                         position = mwindow->edl->align_to_frame(position, 0);
2634                         int64_t new_position = autos->track->to_units(position,0);
2635                         current = mwindow->session->drag_auto = autos->insert_auto(new_position);
2636                         ((FloatAuto*)current)->set_value(value);
2637                         mwindow->session->drag_start_percentage = value_to_percentage(value, autogrouptype);
2638                         mwindow->session->drag_start_position = current->position;
2639                         mwindow->session->drag_origin_x = cursor_x;
2640                         mwindow->session->drag_origin_y = cursor_y;
2641                         mwindow->session->drag_handle = 0;
2642                 }
2643         }
2644
2645
2646         return result;
2647 }
2648
2649
2650 void TrackCanvas::synchronize_autos(float change,
2651                 Track *skip, FloatAuto *fauto, int fill_gangs)
2652 {
2653 // Handles the special case of modifying a fadeauto
2654 // when there are ganged faders on several tracks
2655 // (skip and fauto may be NULL if fill_gangs==-1)
2656
2657         if( fill_gangs > 0 && skip->gang ) {
2658                 double position = skip->from_units(fauto->position);
2659                 int autoidx = fauto->autos->autoidx;
2660
2661                 for(Track *current = mwindow->edl->tracks->first; current; current = NEXT) {
2662                         if( (current->data_type == skip->data_type || get_double_click()) &&
2663                             current->gang && current->record && current != skip ) {
2664                                 int64_t current_position = current->to_units(position, 1);
2665                                 FloatAutos *fade_autos = (FloatAutos*)current->automation->autos[autoidx];
2666                                 float auto_min = mwindow->edl->local_session->automation_mins[fade_autos->autogrouptype];
2667                                 float auto_max = mwindow->edl->local_session->automation_maxs[fade_autos->autogrouptype];
2668                                 FloatAuto *previous = 0, *next = 0;
2669                                 FloatAuto *keyframe = (FloatAuto*)fade_autos->get_auto_at_position(current_position);
2670                                 if( !keyframe ) {
2671 // create keyframe on neighbouring track at the point in time given by fauto
2672                                         float init_value = fade_autos->get_value(current_position, PLAY_FORWARD, previous, next);
2673                                         float new_value = init_value + change;
2674                                         CLAMP(new_value, auto_min, auto_max);
2675                                         keyframe = (FloatAuto*)fade_autos->insert_auto(current_position);
2676                                         keyframe->set_value(new_value);
2677                                 }
2678                                 else {
2679 // keyframe exists, just change it
2680                                         float new_value = keyframe->get_value() + change;
2681                                         CLAMP(new_value, auto_min, auto_max);
2682                                         keyframe->adjust_to_new_coordinates(current_position, new_value);
2683 // need to (re)set the position, as the existing node could be on a "equivalent" position (within half a frame)
2684                                 }
2685
2686                                 mwindow->session->drag_auto_gang->append((Auto *)keyframe);
2687                         }
2688                 }
2689         }
2690         else if( !fill_gangs ) {
2691                 double position = skip->from_units(fauto->position);
2692 // Move the gangs
2693                 for (int i = 0; i < mwindow->session->drag_auto_gang->total; i++) {
2694                         FloatAuto *keyframe = (FloatAuto *)mwindow->session->drag_auto_gang->values[i];
2695                         int64_t keyframe_position = keyframe->autos->track->to_units(position, 1);
2696                         float new_value = keyframe->get_value() + change;
2697                         CLAMP(new_value,
2698                               mwindow->edl->local_session->automation_mins[keyframe->autos->autogrouptype],
2699                               mwindow->edl->local_session->automation_maxs[keyframe->autos->autogrouptype]);
2700                         keyframe->adjust_to_new_coordinates(keyframe_position, new_value);
2701                 }
2702
2703         }
2704         else {
2705 // remove the gangs
2706                 for (int i = 0; i < mwindow->session->drag_auto_gang->total; i++) {
2707                         FloatAuto *keyframe = (FloatAuto *)mwindow->session->drag_auto_gang->values[i];
2708                         keyframe->autos->remove_nonsequential(
2709                                         keyframe);
2710                 }
2711                 mwindow->session->drag_auto_gang->remove_all();
2712         }
2713 }
2714
2715
2716 void TrackCanvas::draw_toggleline(int center_pixel,
2717         int x1,
2718         int y1,
2719         int x2,
2720         int y2)
2721 {
2722         draw_line(x1, center_pixel + y1, x2, center_pixel + y1);
2723
2724         if(y2 != y1)
2725         {
2726                 draw_line(x2, center_pixel + y1, x2, center_pixel + y2);
2727         }
2728 }
2729
2730 int TrackCanvas::test_toggleline(Autos *autos,
2731         int center_pixel,
2732         int x1,
2733         int y1,
2734         int x2,
2735         int y2,
2736         int cursor_x,
2737         int cursor_y,
2738         int buttonpress)
2739 {
2740         int result = 0;
2741         if(cursor_x >= x1 && cursor_x < x2)
2742         {
2743                 int miny = center_pixel + y1 - HANDLE_W / 2;
2744                 int maxy = center_pixel + y1 + HANDLE_W / 2;
2745                 if(cursor_y >= miny && cursor_y < maxy)
2746                 {
2747                         result = 1;
2748
2749 // Menu
2750                         if(buttonpress == 3)
2751                         {
2752                         }
2753                         else
2754 // Insert keyframe
2755                         if(buttonpress)
2756                         {
2757                                 Auto *current;
2758                                 double position = (double)(cursor_x +
2759                                                 mwindow->edl->local_session->view_start[pane->number]) *
2760                                         mwindow->edl->local_session->zoom_sample /
2761                                         mwindow->edl->session->sample_rate;
2762                                 int64_t unit_position = autos->track->to_units(position, 0);
2763                                 int new_value = (int)((IntAutos*)autos)->get_automation_constant(unit_position, unit_position);
2764
2765                                 mwindow->undo->update_undo_before();
2766
2767                                 current = mwindow->session->drag_auto = autos->insert_auto(unit_position);
2768                                 ((IntAuto*)current)->value = new_value;
2769                                 // Toggle Autos don't respond to vertical zoom, they always show up
2770                                 // with "on" == 100% == line on top
2771                                 mwindow->session->drag_start_percentage = (float)new_value;
2772                                 mwindow->session->drag_start_position = current->position;
2773                                 mwindow->session->drag_origin_x = cursor_x;
2774                                 mwindow->session->drag_origin_y = cursor_y;
2775                         }
2776                 }
2777         };
2778
2779         return result;
2780 }
2781
2782 void TrackCanvas::calculate_viewport(Track *track,
2783         double &view_start,   // Seconds
2784         double &unit_start,
2785         double &view_end,     // Seconds
2786         double &unit_end,
2787         double &yscale,
2788         int &center_pixel,
2789         double &zoom_sample,
2790         double &zoom_units)
2791 {
2792         view_start = (double)mwindow->edl->local_session->view_start[pane->number] *
2793                 mwindow->edl->local_session->zoom_sample /
2794                 mwindow->edl->session->sample_rate;
2795         unit_start = track->to_doubleunits(view_start);
2796         view_end = (double)(mwindow->edl->local_session->view_start[pane->number] +
2797                 get_w()) *
2798                 mwindow->edl->local_session->zoom_sample /
2799                 mwindow->edl->session->sample_rate;
2800         unit_end = track->to_doubleunits(view_end);
2801         yscale = mwindow->edl->local_session->zoom_track;
2802 //printf("TrackCanvas::calculate_viewport yscale=%.0f\n", yscale);
2803         center_pixel = (int)(track->y_pixel -
2804                         mwindow->edl->local_session->track_start[pane->number] +
2805                         yscale / 2) +
2806                 (mwindow->edl->session->show_titles ?
2807                         mwindow->theme->get_image("title_bg_data")->get_h() :
2808                         0);
2809         zoom_sample = mwindow->edl->local_session->zoom_sample;
2810
2811         zoom_units = track->to_doubleunits(zoom_sample / mwindow->edl->session->sample_rate);
2812 }
2813
2814 float TrackCanvas::percentage_to_value(float percentage,
2815         int is_toggle,
2816         Auto *reference,
2817         int autogrouptype)
2818 {
2819         float result;
2820         if(is_toggle)
2821         {
2822                 if(percentage > 0.5)
2823                         result = 1;
2824                 else
2825                         result = 0;
2826         }
2827         else
2828         {
2829                 float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
2830                 float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
2831                 float automation_range = automation_max - automation_min;
2832
2833                 result = percentage * automation_range + automation_min;
2834                 if(reference)
2835                 {
2836                         FloatAuto *ptr = (FloatAuto*)reference;
2837                         result -= ptr->get_value();
2838                 }
2839 //printf("TrackCanvas::percentage_to_value %d %f\n", __LINE__, result);
2840         }
2841         return result;
2842 }
2843
2844
2845 void TrackCanvas::calculate_auto_position(double *x, double *y,
2846         double *in_x, double *in_y, double *out_x, double *out_y,
2847         Auto *current, double unit_start, double zoom_units, double yscale,
2848         int autogrouptype)
2849 {
2850         float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
2851         float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
2852         float automation_range = automation_max - automation_min;
2853         FloatAuto *ptr = (FloatAuto*)current;
2854         *x = (double)(ptr->position - unit_start) / zoom_units;
2855         *y = ((ptr->get_value() - automation_min) / automation_range - 0.5) * -yscale;
2856
2857         if(in_x) {
2858 //              *in_x = EQUIV(ptr->control_in_value, 0.0) ? *x : *x - mwindow->theme->control_pixels;
2859                 *in_x = (double)(ptr->position + ptr->get_control_in_position() - unit_start) / zoom_units;
2860         }
2861
2862         if(in_y) {
2863                 *in_y = (((ptr->get_value() + ptr->get_control_in_value()) -
2864                                 automation_min) / automation_range - 0.5) * -yscale;
2865         }
2866
2867         if(out_x) {
2868 //              *out_x = EQUIV(ptr->control_out_value, 0.0) ? *x : *x + mwindow->theme->control_pixels;
2869                 *out_x = (double)(ptr->position + ptr->get_control_out_position() - unit_start) / zoom_units;
2870         }
2871
2872         if(out_y) {
2873                 *out_y = (((ptr->get_value() + ptr->get_control_out_value()) -
2874                                  automation_min) / automation_range - 0.5) * -yscale;
2875         }
2876 }
2877
2878
2879 int TrackCanvas::do_float_autos(Track *track, Autos *autos, int cursor_x, int cursor_y,
2880                 int draw, int buttonpress, int x_offset, int y_offset, int color,
2881                 Auto* &auto_instance, int autogrouptype)
2882 {
2883         int result = 0;
2884         int center_pixel, draw_auto;
2885         double view_start, unit_start;
2886         double view_end, unit_end, yscale;
2887         double zoom_sample, zoom_units;
2888         double in_x2, in_y2, out_x2, out_y2;
2889         double slope;
2890         //int skip = 0;
2891
2892         auto_instance = 0;
2893
2894         if(draw) set_color(color);
2895
2896         calculate_viewport(track, view_start, unit_start, view_end, unit_end,
2897                         yscale, center_pixel, zoom_sample, zoom_units);
2898
2899 // Get first auto before start
2900         Auto *current = 0, *previous = 0;
2901
2902         for( current = autos->last;
2903                 current && current->position >= unit_start;
2904                 current = PREVIOUS ) ;
2905
2906         Auto *first_auto = current ? current :
2907                  autos->first ? autos->first : autos->default_auto;
2908
2909         double ax = 0, ay = 0, ax2 = 0, ay2 = 0;
2910         if( first_auto ) {
2911                 calculate_auto_position(&ax, &ay, 0, 0, 0, 0,
2912                         first_auto, unit_start, zoom_units, yscale, autogrouptype);
2913         }
2914         if( current )
2915                 current = NEXT;
2916         else {
2917                 current = autos->first;
2918                 ax = 0;
2919         }
2920
2921         do {
2922                 //skip = 0;
2923                 draw_auto = 1;
2924
2925                 if(current) {
2926                         calculate_auto_position(&ax2, &ay2, &in_x2, &in_y2, &out_x2, &out_y2,
2927                                 current, unit_start, zoom_units, yscale, autogrouptype);
2928                 }
2929                 else {
2930                         ax2 = get_w();
2931                         ay2 = ay;
2932                         //skip = 1;
2933                 }
2934
2935                 slope = ax2 > ax ? (ay2 - ay) / (ax2 - ax) : 0;
2936
2937                 if(ax2 > get_w()) {
2938                         draw_auto = 0;
2939                         ax2 = get_w();
2940                         ay2 = ay + slope * (get_w() - ax);
2941                 }
2942
2943                 if(ax < 0) {
2944                         ay = ay + slope * (0 - ax);
2945                         ax = 0;
2946                 }
2947
2948 // Draw or test handle
2949                 if( current && !result && current != autos->default_auto ) {
2950                         if( !draw && track->record ) {
2951                                 result = test_floatauto((FloatAuto*)current, (int)ax2, (int)ay2,
2952                                         (int)in_x2, (int)in_y2, (int)out_x2, (int)out_y2,
2953                                         (int)center_pixel, (int)yscale, cursor_x, cursor_y,
2954                                         buttonpress, autogrouptype);
2955                                 if( result )
2956                                         auto_instance = current;
2957                         }
2958                         if( draw && draw_auto ) {
2959                                 draw_floatauto((FloatAuto*)current, (int)ax2 + x_offset, (int)ay2,
2960                                         (int)in_x2 + x_offset, (int)in_y2,
2961                                         (int)out_x2 + x_offset, (int)out_y2,
2962                                         (int)center_pixel + y_offset, (int)yscale, color);
2963                         }
2964                 }
2965
2966 // Draw or test joining line
2967                 if( !draw && !result && track->record /* && buttonpress != 3 */ ) {
2968                         result = test_floatline(center_pixel,
2969                                 (FloatAutos*)autos, unit_start, zoom_units, yscale,
2970 // Exclude auto coverage from the end of the line.  The auto overlaps
2971                                 (int)ax, (int)ax2 - HANDLE_W / 2, cursor_x, cursor_y,
2972                                 buttonpress, autogrouptype);
2973                 }
2974                 if( draw )
2975                         draw_floatline(center_pixel, (FloatAuto*)previous, (FloatAuto*)current,
2976                                 (FloatAutos*)autos, unit_start, zoom_units, yscale,
2977                                 (int)ax, (int)ay, (int)ax2, (int)ay2,
2978                                 color, autogrouptype);
2979
2980                 if( current ) {
2981                         previous = current;
2982                         current = NEXT;
2983                 }
2984
2985                 ax = ax2;  ay = ay2;
2986         } while( current && current->position <= unit_end && !result );
2987
2988         if( ax < get_w() && !result ) {
2989                 ax2 = get_w();  ay2 = ay;
2990                 if(!draw && track->record /* && buttonpress != 3 */ ) {
2991                         result = test_floatline(center_pixel,
2992                                 (FloatAutos*)autos, unit_start, zoom_units, yscale,
2993                                 (int)ax, (int)ax2, cursor_x, cursor_y,
2994                                 buttonpress, autogrouptype);
2995                 }
2996                 if( draw )
2997                         draw_floatline(center_pixel,
2998                                 (FloatAuto*)previous, (FloatAuto*)current,
2999                                 (FloatAutos*)autos, unit_start, zoom_units, yscale,
3000                                 (int)ax, (int)ay, (int)ax2, (int)ay2,
3001                                 color, autogrouptype);
3002         }
3003
3004         return result;
3005 }
3006
3007
3008 int TrackCanvas::do_int_autos(Track *track,
3009                 Autos *autos,
3010                 int cursor_x,
3011                 int cursor_y,
3012                 int draw,
3013                 int buttonpress,
3014                 int x_offset,
3015                 int y_offset,
3016                 int color,
3017                 Auto *&auto_instance)
3018 {
3019         int result = 0;
3020         double view_start;
3021         double unit_start;
3022         double view_end;
3023         double unit_end;
3024         double yscale;
3025         int center_pixel;
3026         double zoom_sample;
3027         double zoom_units;
3028         double ax, ay, ax2, ay2;
3029
3030         auto_instance = 0;
3031
3032         if(draw) set_color(color);
3033
3034         calculate_viewport(track,
3035                 view_start,
3036                 unit_start,
3037                 view_end,
3038                 unit_end,
3039                 yscale,
3040                 center_pixel,
3041                 zoom_sample,
3042                 zoom_units);
3043
3044
3045         double high = -yscale * 0.8 / 2;
3046         double low = yscale * 0.8 / 2;
3047
3048 // Get first auto before start
3049         Auto *current;
3050         for(current = autos->last; current && current->position >= unit_start; current = PREVIOUS)
3051                 ;
3052
3053         if(current)
3054         {
3055                 ax = 0;
3056                 ay = ((IntAuto*)current)->value > 0 ? high : low;
3057                 current = NEXT;
3058         }
3059         else
3060         {
3061                 current = autos->first ? autos->first : autos->default_auto;
3062                 if(current)
3063                 {
3064                         ax = 0;
3065                         ay = ((IntAuto*)current)->value > 0 ? high : low;
3066                 }
3067                 else
3068                 {
3069                         ax = 0;
3070                         ay = yscale;
3071                 }
3072         }
3073
3074         do
3075         {
3076                 if(current)
3077                 {
3078                         ax2 = (double)(current->position - unit_start) / zoom_units;
3079                         ay2 = ((IntAuto*)current)->value > 0 ? high : low;
3080                 }
3081                 else
3082                 {
3083                         ax2 = get_w();
3084                         ay2 = ay;
3085                 }
3086
3087                 if(ax2 > get_w()) ax2 = get_w();
3088
3089                 if(current && !result)
3090                 {
3091                         if(current != autos->default_auto)
3092                         {
3093                                 if(!draw)
3094                                 {
3095                                         if(track->record)
3096                                         {
3097                                                 result = test_auto(current,
3098                                                         (int)ax2,
3099                                                         (int)ay2,
3100                                                         (int)center_pixel,
3101                                                         (int)yscale,
3102                                                         cursor_x,
3103                                                         cursor_y,
3104                                                         buttonpress);
3105                                                 if (result)
3106                                                         auto_instance = current;
3107                                         }
3108                                 }
3109                                 else
3110                                         draw_auto(current,
3111                                                 (int)ax2 + x_offset,
3112                                                 (int)ay2 + y_offset,
3113                                                 (int)center_pixel,
3114                                                 (int)yscale);
3115                         }
3116
3117                         current = NEXT;
3118                 }
3119
3120                 if(!draw)
3121                 {
3122                         if(!result)
3123                         {
3124                                 if(track->record /* && buttonpress != 3 */)
3125                                 {
3126                                         result = test_toggleline(autos,
3127                                                 center_pixel,
3128                                                 (int)ax,
3129                                                 (int)ay,
3130                                                 (int)ax2,
3131                                                 (int)ay2,
3132                                                 cursor_x,
3133                                                 cursor_y,
3134                                                 buttonpress);
3135                                 }
3136                         }
3137                 }
3138                 else
3139                         draw_toggleline(center_pixel + y_offset,
3140                                 (int)ax,
3141                                 (int)ay,
3142                                 (int)ax2,
3143                                 (int)ay2);
3144
3145                 ax = ax2;
3146                 ay = ay2;
3147         }while(current && current->position <= unit_end && !result);
3148
3149         if(ax < get_w() && !result)
3150         {
3151                 ax2 = get_w();
3152                 ay2 = ay;
3153                 if(!draw)
3154                 {
3155                         if(track->record /* && buttonpress != 3 */)
3156                         {
3157                                 result = test_toggleline(autos,
3158                                         center_pixel,
3159                                         (int)ax,
3160                                         (int)ay,
3161                                         (int)ax2,
3162                                         (int)ay2,
3163                                         cursor_x,
3164                                         cursor_y,
3165                                         buttonpress);
3166                         }
3167                 }
3168                 else
3169                         draw_toggleline(center_pixel + y_offset,
3170                                 (int)ax,
3171                                 (int)ay,
3172                                 (int)ax2,
3173                                 (int)ay2);
3174         }
3175         return result;
3176 }
3177
3178 int TrackCanvas::do_autos(Track *track,
3179                 Autos *autos,
3180                 int cursor_x,
3181                 int cursor_y,
3182                 int draw,
3183                 int buttonpress,
3184                 BC_Pixmap *pixmap,
3185                 Auto * &auto_instance,
3186                 int &rerender)
3187 {
3188         int result = 0;
3189
3190         double view_start;
3191         double unit_start;
3192         double view_end;
3193         double unit_end;
3194         double yscale;
3195         int center_pixel;
3196         double zoom_sample;
3197         double zoom_units;
3198
3199         calculate_viewport(track,
3200                 view_start,
3201                 unit_start,
3202                 view_end,
3203                 unit_end,
3204                 yscale,
3205                 center_pixel,
3206                 zoom_sample,
3207                 zoom_units);
3208
3209         Auto *current;
3210         auto_instance = 0;
3211
3212         for(current = autos->first; current && !result; current = NEXT)
3213         {
3214                 if(current->position >= unit_start && current->position < unit_end)
3215                 {
3216                         int64_t x, y;
3217                         x = (int64_t)((double)(current->position - unit_start) /
3218                                 zoom_units - (pixmap->get_w() / 2.0 + 0.5));
3219                         y = center_pixel - pixmap->get_h() / 2;
3220
3221                         if(!draw)
3222                         {
3223                                 if(cursor_x >= x && cursor_y >= y &&
3224                                         cursor_x < x + pixmap->get_w() &&
3225                                         cursor_y < y + pixmap->get_h())
3226                                 {
3227                                         result = 1;
3228                                         auto_instance = current;
3229
3230                                         if(buttonpress && (buttonpress != 3))
3231                                         {
3232                                                 mwindow->session->drag_auto = current;
3233                                                 mwindow->session->drag_start_position = current->position;
3234                                                 mwindow->session->drag_origin_x = cursor_x;
3235                                                 mwindow->session->drag_origin_y = cursor_y;
3236
3237                                                 double position = autos->track->from_units(current->position);
3238                                                 double center = (mwindow->edl->local_session->get_selectionstart(1) +
3239                                                         mwindow->edl->local_session->get_selectionend(1)) /
3240                                                         2;
3241
3242                                                 if(!shift_down())
3243                                                 {
3244                                                         mwindow->edl->local_session->set_selectionstart(position);
3245                                                         mwindow->edl->local_session->set_selectionend(position);
3246                                                 }
3247                                                 else
3248                                                 if(position < center)
3249                                                 {
3250                                                         mwindow->edl->local_session->set_selectionstart(position);
3251                                                 }
3252                                                 else
3253                                                         mwindow->edl->local_session->set_selectionend(position);
3254
3255                                                 rerender = 1;
3256                                         }
3257                                 }
3258                         }
3259                         else
3260                                 draw_pixmap(pixmap, x, y);
3261                 }
3262         }
3263
3264
3265         return result;
3266 }
3267
3268 // so this means it is always >0 when keyframe is found
3269 int TrackCanvas::do_plugin_autos(Track *track, int cursor_x, int cursor_y,
3270                 int draw, int buttonpress, Plugin* &keyframe_plugin,
3271                 KeyFrame* &keyframe_instance)
3272 {
3273         int result = 0;
3274
3275         double view_start;
3276         double unit_start;
3277         double view_end;
3278         double unit_end;
3279         double yscale;
3280         int center_pixel;
3281         double zoom_sample;
3282         double zoom_units;
3283
3284         if(!track->expand_view) return 0;
3285
3286         calculate_viewport(track,
3287                 view_start,
3288                 unit_start,
3289                 view_end,
3290                 unit_end,
3291                 yscale,
3292                 center_pixel,
3293                 zoom_sample,
3294                 zoom_units);
3295
3296
3297
3298         for(int i = 0; i < track->plugin_set.total && !result; i++)
3299         {
3300                 PluginSet *plugin_set = track->plugin_set.values[i];
3301                 int center_pixel = (int)(track->y_pixel -
3302                         mwindow->edl->local_session->track_start[pane->number] +
3303                         mwindow->edl->local_session->zoom_track +
3304                         (i + 0.5) * mwindow->theme->get_image("plugin_bg_data")->get_h() +
3305                         (mwindow->edl->session->show_titles ? mwindow->theme->get_image("title_bg_data")->get_h() : 0));
3306
3307                 for(Plugin *plugin = (Plugin*)plugin_set->first;
3308                         plugin && !result;
3309                         plugin = (Plugin*)plugin->next)
3310                 {
3311                         for(KeyFrame *keyframe = (KeyFrame*)plugin->keyframes->first;
3312                                 keyframe && !result;
3313                                 keyframe = (KeyFrame*)keyframe->next)
3314                         {
3315 //printf("TrackCanvas::draw_plugin_autos 3 %d\n", keyframe->position);
3316                                 if(keyframe->position >= unit_start && keyframe->position < unit_end)
3317                                 {
3318                                         int64_t x = (int64_t)((keyframe->position - unit_start) / zoom_units);
3319                                         int y = center_pixel - keyframe_pixmap->get_h() / 2;
3320
3321 //printf("TrackCanvas::draw_plugin_autos 4 %d %d\n", x, center_pixel);
3322                                         if(!draw)
3323                                         {
3324                                                 if(cursor_x >= x && cursor_y >= y &&
3325                                                         cursor_x < x + keyframe_pixmap->get_w() &&
3326                                                         cursor_y < y + keyframe_pixmap->get_h())
3327                                                 {
3328                                                         result = 1;
3329                                                         keyframe_plugin = plugin;
3330                                                         keyframe_instance = keyframe;
3331
3332                                                         if(buttonpress)
3333                                                         {
3334                                                                 mwindow->session->drag_auto = keyframe;
3335                                                                 mwindow->session->drag_start_position = keyframe->position;
3336                                                                 mwindow->session->drag_origin_x = cursor_x;
3337                                                                 mwindow->session->drag_origin_y = cursor_y;
3338
3339                                                                 double position = track->from_units(keyframe->position);
3340                                                                 double center = (mwindow->edl->local_session->get_selectionstart(1) +
3341                                                                         mwindow->edl->local_session->get_selectionend(1)) /
3342                                                                         2;
3343
3344                                                                 if(!shift_down())
3345                                                                 {
3346                                                                         mwindow->edl->local_session->set_selectionstart(position);
3347                                                                         mwindow->edl->local_session->set_selectionend(position);
3348                                                                 }
3349                                                                 else
3350                                                                 if(position < center)
3351                                                                 {
3352                                                                         mwindow->edl->local_session->set_selectionstart(position);
3353                                                                 }
3354                                                                 else
3355                                                                         mwindow->edl->local_session->set_selectionend(position);
3356                                                         }
3357                                                 }
3358                                         }
3359                                         else
3360                                                 draw_pixmap(keyframe_pixmap,
3361                                                         x,
3362                                                         y);
3363                                 }
3364                         }
3365                 }
3366         }
3367
3368
3369
3370 //      if(buttonpress && buttonpress != 3 && result)
3371 //      {
3372 //              mwindow->undo->update_undo_before();
3373 //      }
3374
3375         return result;
3376 }
3377
3378 int TrackCanvas::draw_hairline(Auto *auto_keyframe, int color)
3379 {
3380         Track *track = auto_keyframe->autos->track;
3381         int autogrouptype = auto_keyframe->autos->get_type();
3382
3383         int center_pixel;
3384         double view_start, unit_start;
3385         double view_end, unit_end, yscale;
3386         double zoom_sample, zoom_units;
3387
3388         calculate_viewport(track, view_start, unit_start, view_end, unit_end,
3389                         yscale, center_pixel, zoom_sample, zoom_units);
3390
3391         double ax = 0, ay = 0;
3392         calculate_auto_position(&ax, &ay, 0, 0, 0, 0,
3393                 auto_keyframe, unit_start, zoom_units, yscale, autogrouptype);
3394
3395         set_color(color);
3396         draw_line(ax, 0, ax, get_h());
3397         return 0;
3398 }
3399
3400 void TrackCanvas::draw_overlays()
3401 {
3402         int new_cursor, update_cursor, rerender;
3403
3404 // Move background pixmap to foreground pixmap
3405         draw_pixmap(background_pixmap,
3406                 0,
3407                 0,
3408                 get_w(),
3409                 get_h(),
3410                 0,
3411                 0);
3412
3413 // In/Out points
3414         draw_inout_points();
3415
3416 // Transitions
3417         if(mwindow->edl->session->auto_conf->transitions) draw_transitions();
3418
3419 // Plugins
3420         draw_plugins();
3421
3422 // Loop points
3423         draw_loop_points();
3424         draw_brender_range();
3425
3426 // Highlighted areas
3427         draw_highlighting();
3428
3429 // Automation
3430         do_keyframes(0, 0, 1, 0, new_cursor, update_cursor, rerender);
3431
3432 // Selection cursor
3433         if(pane->cursor) pane->cursor->restore(1);
3434
3435 // Handle dragging
3436         draw_drag_handle();
3437
3438 // Playback cursor
3439         draw_playback_cursor();
3440
3441         draw_keyframe_reticle();
3442
3443         show_window(0);
3444 }
3445
3446 int TrackCanvas::activate()
3447 {
3448         if(!active)
3449         {
3450 //printf("TrackCanvas::activate %d %d\n", __LINE__, pane->number);
3451 //BC_Signals::dump_stack();
3452                 get_top_level()->deactivate();
3453                 active = 1;
3454                 set_active_subwindow(this);
3455                 pane->cursor->activate();
3456                 gui->focused_pane = pane->number;
3457         }
3458         return 0;
3459 }
3460
3461 int TrackCanvas::deactivate()
3462 {
3463         if(active)
3464         {
3465                 active = 0;
3466                 pane->cursor->deactivate();
3467         }
3468         return 0;
3469 }
3470
3471
3472 void TrackCanvas::update_drag_handle()
3473 {
3474         double new_position;
3475
3476         new_position =
3477                 (double)(get_cursor_x() +
3478                 mwindow->edl->local_session->view_start[pane->number]) *
3479                 mwindow->edl->local_session->zoom_sample /
3480                 mwindow->edl->session->sample_rate;
3481         new_position =
3482                 mwindow->edl->align_to_frame(new_position, 0);
3483
3484
3485         if(new_position != mwindow->session->drag_position)
3486         {
3487                 mwindow->session->drag_position = new_position;
3488                 gui->mainclock->update(new_position);
3489
3490
3491                 timebar_position = new_position;
3492                 gui->update_timebar(0);
3493 // Que the CWindow.  Doesn't do anything if selectionstart and selection end
3494 // aren't changed.
3495 //              mwindow->cwindow->update(1, 0, 0);
3496         }
3497 }
3498
3499 int TrackCanvas::update_drag_edit()
3500 {
3501         int result = 0;
3502
3503
3504
3505         return result;
3506 }
3507
3508 int TrackCanvas::get_drag_values(float *percentage,
3509         int64_t *position,
3510         int do_clamp,
3511         int cursor_x,
3512         int cursor_y,
3513         Auto *current)
3514 {
3515         //int x = cursor_x - mwindow->session->drag_origin_x;
3516         //int y = cursor_y - mwindow->session->drag_origin_y;
3517         *percentage = 0;
3518         *position = 0;
3519
3520         if(!current->autos->track->record) return 1;
3521         double view_start;
3522         double unit_start;
3523         double view_end;
3524         double unit_end;
3525         double yscale;
3526         int center_pixel;
3527         double zoom_sample;
3528         double zoom_units;
3529
3530         calculate_viewport(current->autos->track,
3531                 view_start,
3532                 unit_start,
3533                 view_end,
3534                 unit_end,
3535                 yscale,
3536                 center_pixel,
3537                 zoom_sample,
3538                 zoom_units);
3539
3540         *percentage = (float)(mwindow->session->drag_origin_y - cursor_y) /
3541                 yscale +
3542                 mwindow->session->drag_start_percentage;
3543         if(do_clamp) CLAMP(*percentage, 0, 1);
3544
3545         *position = Units::to_int64(zoom_units *
3546                 (cursor_x - mwindow->session->drag_origin_x) +
3547                 mwindow->session->drag_start_position + 0.5);
3548
3549         if((do_clamp) && *position < 0) *position = 0;
3550         return 0;
3551 }
3552
3553
3554 #define UPDATE_DRAG_HEAD(do_clamp) \
3555         int result = 0, center_pixel; \
3556         if(!current->autos->track->record) return 0; \
3557         double view_start, unit_start, view_end, unit_end; \
3558         double yscale, zoom_sample, zoom_units; \
3559  \
3560         calculate_viewport(current->autos->track,  \
3561                 view_start, unit_start, view_end, unit_end, \
3562                 yscale, center_pixel, zoom_sample, zoom_units); \
3563  \
3564         float percentage = (float)(mwindow->session->drag_origin_y - cursor_y) / \
3565                 yscale +  mwindow->session->drag_start_percentage; \
3566         if(do_clamp) CLAMP(percentage, 0, 1); \
3567  \
3568         int64_t position = Units::to_int64(zoom_units * \
3569                 (cursor_x - mwindow->session->drag_origin_x) + \
3570                 mwindow->session->drag_start_position); \
3571         if((do_clamp) && position < 0) position = 0;
3572
3573
3574 int TrackCanvas::update_drag_floatauto(int cursor_x, int cursor_y)
3575 {
3576         FloatAuto *current = (FloatAuto*)mwindow->session->drag_auto;
3577
3578         UPDATE_DRAG_HEAD(mwindow->session->drag_handle == 0);
3579         int x = cursor_x - mwindow->session->drag_origin_x;
3580         int y = cursor_y - mwindow->session->drag_origin_y;
3581         float value, old_value;
3582
3583         if( mwindow->session->drag_handle == 0 && (ctrl_down() && !shift_down()) ) {
3584 // not really editing the node, rather start editing the curve
3585 // tangent is editable and drag movement is significant
3586                 if( (FloatAuto::FREE == current->curve_mode ||
3587                      FloatAuto::TFREE==current->curve_mode) &&
3588                     (fabs(x) > HANDLE_W / 2 || fabs(y) > HANDLE_W / 2))
3589                         mwindow->session->drag_handle = x < 0 ? 1 : 2;
3590         }
3591
3592         switch(mwindow->session->drag_handle) {
3593         case 0: // Center
3594 // Snap to nearby values
3595                 old_value = current->get_value();
3596                 if(shift_down()) {
3597                         double value1, value2, distance1, distance2;
3598
3599                         if(current->previous) {
3600                                 int autogrouptype = current->previous->autos->autogrouptype;
3601                                 value = percentage_to_value(percentage, 0, 0, autogrouptype);
3602                                 value1 = ((FloatAuto*)current->previous)->get_value();
3603                                 distance1 = fabs(value - value1);
3604                                 current->set_value(value1);
3605                         }
3606
3607                         if(current->next) {
3608                                 int autogrouptype = current->next->autos->autogrouptype;
3609                                 value = percentage_to_value(percentage, 0, 0, autogrouptype);
3610                                 value2 = ((FloatAuto*)current->next)->get_value();
3611                                 distance2 = fabs(value - value2);
3612                                 if(!current->previous || distance2 < distance1) {
3613                                         current->set_value(value2);
3614                                 }
3615                         }
3616
3617                         if(!current->previous && !current->next) {
3618                                 current->set_value( ((FloatAutos*)current->autos)->default_);
3619                         }
3620                         value = current->get_value();
3621                 }
3622                 else {
3623                         int autogrouptype = current->autos->autogrouptype;
3624                         value = percentage_to_value(percentage, 0, 0, autogrouptype);
3625                 }
3626
3627                 if(alt_down() && !shift_down())
3628 // ALT constrains movement: fixed position, only changing the value
3629                         position = mwindow->session->drag_start_position;
3630
3631                 if(value != old_value || position != current->position) {
3632                         result = 1;
3633                         float change = value - old_value;
3634                         current->adjust_to_new_coordinates(position, value);
3635                         synchronize_autos(change, current->autos->track, current, 0);
3636                         show_message(current, 1,", %.2f", current->get_value());
3637                 }
3638                 break;
3639
3640 // In control
3641         case 1: {
3642                 int autogrouptype = current->autos->autogrouptype;
3643                 value = percentage_to_value(percentage, 0, current, autogrouptype);
3644                 if(value != current->get_control_in_value())
3645                 {
3646                         result = 1;
3647                         // note: (position,value) need not be at the location of the ctrl point,
3648                         // but could be somewhere in between on the curve (or even outward or
3649                         // on the opposit side). We set the new control point such as
3650                         // to point the curve through (position,value)
3651                         current->set_control_in_value(
3652                                 value * levered_position(position - current->position,
3653                                                          current->get_control_in_position()));
3654                         synchronize_autos(0, current->autos->track, current, 0);
3655                         show_message(current, 1,", %.2f", current->get_control_in_value());
3656                 }
3657                 break; }
3658
3659 // Out control
3660         case 2: {
3661                 int autogrouptype = current->autos->autogrouptype;
3662                 value = percentage_to_value(percentage, 0, current, autogrouptype);
3663                 if(value != current->get_control_out_value()) {
3664                         result = 1;
3665                         current->set_control_out_value(
3666                                 value * levered_position(position - current->position,
3667                                                          current->get_control_out_position()));
3668                         synchronize_autos(0, current->autos->track, current, 0);
3669                         show_message(current, 1,", %.2f", current->get_control_out_value());
3670                 }
3671                 break; }
3672         }
3673
3674         return result;
3675 }
3676
3677 int TrackCanvas::update_drag_toggleauto(int cursor_x, int cursor_y)
3678 {
3679         IntAuto *current = (IntAuto*)mwindow->session->drag_auto;
3680
3681         UPDATE_DRAG_HEAD(1);
3682         int value = (int)percentage_to_value(percentage, 1, 0, AUTOGROUPTYPE_INT255);
3683
3684         if(value != current->value || position != current->position)
3685         {
3686                 result = 1;
3687                 current->value = value;
3688                 current->position = position;
3689                 show_message(current, 0,", %d", current->value);
3690         }
3691
3692         return result;
3693 }
3694
3695 // Autos which can't change value through dragging.
3696
3697 int TrackCanvas::update_drag_auto(int cursor_x, int cursor_y)
3698 {
3699         Auto *current = (Auto*)mwindow->session->drag_auto;
3700
3701         UPDATE_DRAG_HEAD(1)
3702         if(position != current->position)
3703         {
3704                 result = 1;
3705                 current->position = position;
3706                 show_message(current, 0,"");
3707
3708                 double position_f = current->autos->track->from_units(current->position);
3709                 double center_f = (mwindow->edl->local_session->get_selectionstart(1) +
3710                         mwindow->edl->local_session->get_selectionend(1)) /
3711                         2;
3712                 if(!shift_down())
3713                 {
3714                         mwindow->edl->local_session->set_selectionstart(position_f);
3715                         mwindow->edl->local_session->set_selectionend(position_f);
3716                 }
3717                 else
3718                 if(position_f < center_f)
3719                 {
3720                         mwindow->edl->local_session->set_selectionstart(position_f);
3721                 }
3722                 else
3723                         mwindow->edl->local_session->set_selectionend(position_f);
3724         }
3725
3726
3727         return result;
3728 }
3729
3730 int TrackCanvas::update_drag_pluginauto(int cursor_x, int cursor_y)
3731 {
3732         KeyFrame *current = (KeyFrame*)mwindow->session->drag_auto;
3733
3734         UPDATE_DRAG_HEAD(1)
3735         if(position != current->position)
3736         {
3737 //      printf("uida: autos: %p, track: %p ta: %p\n", current->autos, current->autos->track, current->autos->track->automation);
3738                 Track *track = current->autos->track;
3739                 //PluginAutos *pluginautos = (PluginAutos *)current->autos;
3740                 PluginSet *pluginset;
3741                 Plugin *plugin = 0;
3742 // figure out the correct pluginset & correct plugin
3743                 int found = 0;
3744                 for(int i = 0; i < track->plugin_set.total; i++)
3745                 {
3746                         pluginset = track->plugin_set.values[i];
3747                         for(plugin = (Plugin *)pluginset->first; plugin; plugin = (Plugin *)plugin->next)
3748                         {
3749                                 KeyFrames *keyframes = plugin->keyframes;
3750                                 for(KeyFrame *currentkeyframe = (KeyFrame *)keyframes->first;
3751                                         currentkeyframe;
3752                                         currentkeyframe = (KeyFrame *) currentkeyframe->next)
3753                                 {
3754                                         if (currentkeyframe == current)
3755                                         {
3756                                                 found = 1;
3757                                                 break;
3758                                         }
3759
3760                                 }
3761                                 if (found) break;
3762                         }
3763                         if (found) break;
3764                 }
3765
3766                 mwindow->session->plugin_highlighted = plugin;
3767                 mwindow->session->track_highlighted = track;
3768                 result = 1;
3769                 current->position = position;
3770                 show_message(current, 0,"");
3771
3772                 double position_f = current->autos->track->from_units(current->position);
3773                 double center_f = (mwindow->edl->local_session->get_selectionstart(1) +
3774                         mwindow->edl->local_session->get_selectionend(1)) /
3775                         2;
3776                 if(!shift_down())
3777                 {
3778                         mwindow->edl->local_session->set_selectionstart(position_f);
3779                         mwindow->edl->local_session->set_selectionend(position_f);
3780                 }
3781                 else
3782                 if(position_f < center_f)
3783                 {
3784                         mwindow->edl->local_session->set_selectionstart(position_f);
3785                 }
3786                 else
3787                         mwindow->edl->local_session->set_selectionend(position_f);
3788         }
3789
3790
3791         return result;
3792 }
3793
3794 void TrackCanvas::update_drag_caption()
3795 {
3796         switch(mwindow->session->current_operation)
3797         {
3798                 case DRAG_FADE:
3799
3800                         break;
3801         }
3802 }
3803
3804
3805
3806 int TrackCanvas::cursor_motion_event()
3807 {
3808         int result = 0;
3809         int cursor_x = 0;
3810         int cursor_y = 0;
3811         int update_clock = 0;
3812         int update_zoom = 0;
3813         int update_scroll = 0;
3814         int update_overlay = 0;
3815         int update_cursor = 0;
3816         int new_cursor = 0;
3817         int rerender = 0;
3818         double position = 0.;
3819 //printf("TrackCanvas::cursor_motion_event %d\n", __LINE__);
3820
3821 // Default cursor
3822         switch(mwindow->edl->session->editing_mode)
3823         {
3824                 case EDITING_ARROW: new_cursor = ARROW_CURSOR; break;
3825                 case EDITING_IBEAM: new_cursor = IBEAM_CURSOR; break;
3826         }
3827
3828         switch(mwindow->session->current_operation)
3829         {
3830                 case DRAG_EDITHANDLE1:
3831 // Outside threshold.  Upgrade status
3832                         if(active)
3833                         {
3834                                 if(labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W)
3835                                 {
3836                                         mwindow->session->current_operation = DRAG_EDITHANDLE2;
3837                                         update_overlay = 1;
3838                                 }
3839                         }
3840                         break;
3841
3842                 case DRAG_EDITHANDLE2:
3843                         if(active)
3844                         {
3845                                 update_drag_handle();
3846                                 update_overlay = 1;
3847                         }
3848                         break;
3849
3850                 case DRAG_PLUGINHANDLE1:
3851                         if(active)
3852                         {
3853                                 if(labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W)
3854                                 {
3855                                         mwindow->session->current_operation = DRAG_PLUGINHANDLE2;
3856                                         update_overlay = 1;
3857                                 }
3858                         }
3859                         break;
3860
3861                 case DRAG_PLUGINHANDLE2:
3862                         if(active)
3863                         {
3864                                 update_drag_handle();
3865                                 update_overlay = 1;
3866                         }
3867                         break;
3868
3869 // Rubber band curves
3870                 case DRAG_FADE:
3871                 case DRAG_SPEED:
3872                 case DRAG_CZOOM:
3873                 case DRAG_PZOOM:
3874                 case DRAG_CAMERA_X:
3875                 case DRAG_CAMERA_Y:
3876                 case DRAG_CAMERA_Z:
3877                 case DRAG_PROJECTOR_X:
3878                 case DRAG_PROJECTOR_Y:
3879                 case DRAG_PROJECTOR_Z:
3880                         if(active) rerender = update_overlay =
3881                                 update_drag_floatauto(get_cursor_x(), get_cursor_y());
3882                         break;
3883
3884                 case DRAG_PLAY:
3885                         if(active) rerender = update_overlay =
3886                                 update_drag_toggleauto(get_cursor_x(), get_cursor_y());
3887                         break;
3888
3889                 case DRAG_MUTE:
3890                         if(active) rerender = update_overlay =
3891                                 update_drag_toggleauto(get_cursor_x(), get_cursor_y());
3892                         break;
3893
3894 // Keyframe icons are sticky
3895                 case DRAG_PAN_PRE:
3896                 case DRAG_MASK_PRE:
3897                 case DRAG_MODE_PRE:
3898                 case DRAG_PLUGINKEY_PRE:
3899                         if(active) {
3900                                 if(labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W) {
3901                                         mwindow->session->current_operation++;
3902                                         update_overlay = 1;
3903
3904                                         mwindow->undo->update_undo_before();
3905                                 }
3906                         }
3907                         break;
3908
3909                 case DRAG_PAN:
3910                 case DRAG_MASK:
3911                 case DRAG_MODE:
3912                         if(active) rerender = update_overlay =
3913                                 update_drag_auto(get_cursor_x(), get_cursor_y());
3914                         break;
3915
3916                 case DRAG_PLUGINKEY:
3917                         if(active) rerender = update_overlay =
3918                                 update_drag_pluginauto(get_cursor_x(), get_cursor_y());
3919                         break;
3920
3921                 case SELECT_REGION:
3922                         if(active) {
3923                                 cursor_x = get_cursor_x();
3924                                 cursor_y = get_cursor_y();
3925                                 position = (double)(cursor_x + mwindow->edl->local_session->view_start[pane->number]) *
3926                                         mwindow->edl->local_session->zoom_sample / mwindow->edl->session->sample_rate;
3927
3928                                 position = mwindow->edl->align_to_frame(position, 0);
3929                                 position = MAX(position, 0);
3930
3931                                 if(position < selection_midpoint) {
3932                                         mwindow->edl->local_session->set_selectionend(selection_midpoint);
3933                                         mwindow->edl->local_session->set_selectionstart(position);
3934         // Que the CWindow
3935                                         gui->unlock_window();
3936                                         mwindow->cwindow->update(1, 0, 0, 0, 1);
3937                                         gui->lock_window("TrackCanvas::cursor_motion_event 1");
3938         // Update the faders
3939                                         mwindow->update_plugin_guis();
3940                                         gui->update_patchbay();
3941                                 }
3942                                 else {
3943                                         mwindow->edl->local_session->set_selectionstart(selection_midpoint);
3944                                         mwindow->edl->local_session->set_selectionend(position);
3945         // Don't que the CWindow
3946                                 }
3947
3948                                 timebar_position = mwindow->edl->local_session->get_selectionend(1);
3949
3950                                 gui->hide_cursor(0);
3951                                 gui->draw_cursor(1);
3952                                 gui->update_timebar(0);
3953                                 gui->flash_canvas(1);
3954                                 result = 1;
3955                                 update_clock = 1;
3956                                 update_zoom = 1;
3957                                 update_scroll = 1;
3958                         }
3959                         break;
3960
3961                 default:
3962                         if(is_event_win() && cursor_inside()) {
3963 // Update clocks
3964                                 cursor_x = get_cursor_x();
3965                                 position = (double)cursor_x *
3966                                         (double)mwindow->edl->local_session->zoom_sample /
3967                                         (double)mwindow->edl->session->sample_rate +
3968                                         (double)mwindow->edl->local_session->view_start[pane->number] *
3969                                         (double)mwindow->edl->local_session->zoom_sample /
3970                                         (double)mwindow->edl->session->sample_rate;
3971                                 position = mwindow->edl->align_to_frame(position, 0);
3972                                 update_clock = 1;
3973
3974 // set all timebars
3975                                 for(int i = 0; i < TOTAL_PANES; i++)
3976                                         if(gui->pane[i]) gui->pane[i]->canvas->timebar_position = position;
3977
3978 //printf("TrackCanvas::cursor_motion_event %d %d %p %p\n", __LINE__, pane->number, pane, pane->timebar);
3979                                 gui->update_timebar(0);
3980 // Update cursor
3981                                 if(do_transitions(get_cursor_x(), get_cursor_y(),
3982                                                 0, new_cursor, update_cursor)) break;
3983                                 if(do_keyframes(get_cursor_x(), get_cursor_y(),
3984                                         0, 0, new_cursor, update_cursor, rerender)) break;
3985                                 if(do_edit_handles(get_cursor_x(), get_cursor_y(),
3986                                         0, rerender, update_overlay, new_cursor, update_cursor)) break;
3987 // Plugin boundaries
3988                                 if(do_plugin_handles(get_cursor_x(), get_cursor_y(),
3989                                         0, rerender, update_overlay, new_cursor, update_cursor)) break;
3990                                 if(do_edits(get_cursor_x(), get_cursor_y(),
3991                                         0, 0, update_overlay, rerender, new_cursor, update_cursor)) break;
3992                         }
3993                         break;
3994         }
3995
3996 //printf("TrackCanvas::cursor_motion_event 1\n");
3997         if(update_cursor && new_cursor != get_cursor())
3998         {
3999                 set_cursor(new_cursor, 0, 1);
4000         }
4001
4002 //printf("TrackCanvas::cursor_motion_event 1 %d\n", rerender);
4003         if(rerender && render_timer->get_difference() > 0.25 ) {
4004                 render_timer->update();
4005                 mwindow->restart_brender();
4006                 mwindow->sync_parameters(CHANGE_PARAMS);
4007                 mwindow->update_plugin_guis();
4008                 gui->unlock_window();
4009                 mwindow->cwindow->update(1, 0, 0, 0, 1);
4010                 gui->lock_window("TrackCanvas::cursor_motion_event 2");
4011         }
4012         if(rerender) {
4013 // Update faders
4014                 gui->update_patchbay();
4015         }
4016
4017
4018         if(update_clock) {
4019                 if(!mwindow->cwindow->playback_engine->is_playing_back)
4020                         gui->mainclock->update(position);
4021         }
4022
4023         if(update_zoom) {
4024                 gui->zoombar->update();
4025         }
4026
4027         if(update_scroll) {
4028                 if(!drag_scroll &&
4029                         (cursor_x >= get_w() || cursor_x < 0 || cursor_y >= get_h() || cursor_y < 0))
4030                         start_dragscroll();
4031                 else
4032                 if(drag_scroll &&
4033                         (cursor_x < get_w() && cursor_x >= 0 && cursor_y < get_h() && cursor_y >= 0))
4034                         stop_dragscroll();
4035         }
4036
4037         if(update_overlay) {
4038                 gui->draw_overlays(1);
4039         }
4040
4041 //printf("TrackCanvas::cursor_motion_event %d\n", __LINE__);
4042         return result;
4043 }
4044
4045 void TrackCanvas::start_dragscroll()
4046 {
4047         if(!drag_scroll) {
4048                 drag_scroll = 1;
4049                 set_repeat(BC_WindowBase::get_resources()->scroll_repeat);
4050 //printf("TrackCanvas::start_dragscroll 1\n");
4051         }
4052 }
4053
4054 void TrackCanvas::stop_dragscroll()
4055 {
4056         if(drag_scroll) {
4057                 drag_scroll = 0;
4058                 unset_repeat(BC_WindowBase::get_resources()->scroll_repeat);
4059 //printf("TrackCanvas::stop_dragscroll 1\n");
4060         }
4061 }
4062
4063 int TrackCanvas::repeat_event(int64_t duration)
4064 {
4065         if(!drag_scroll) return 0;
4066         if(duration != BC_WindowBase::get_resources()->scroll_repeat) return 0;
4067
4068         int sample_movement = 0;
4069         int track_movement = 0;
4070         int64_t x_distance = 0;
4071         int64_t y_distance = 0;
4072         double position = 0;
4073         int result = 0;
4074
4075         switch(mwindow->session->current_operation) {
4076                 case SELECT_REGION:
4077 //printf("TrackCanvas::repeat_event 1 %d\n", mwindow->edl->local_session->view_start);
4078                 if(get_cursor_x() > get_w()) {
4079                                 x_distance = get_cursor_x() - get_w();
4080                                 sample_movement = 1;
4081                 }
4082                 else if(get_cursor_x() < 0) {
4083                         x_distance = get_cursor_x();
4084                         sample_movement = 1;
4085                 }
4086
4087                 if(get_cursor_y() > get_h()) {
4088                         y_distance = get_cursor_y() - get_h();
4089                         track_movement = 1;
4090                 }
4091                 else if(get_cursor_y() < 0) {
4092                         y_distance = get_cursor_y();
4093                         track_movement = 1;
4094                 }
4095                 result = 1;
4096                 break;
4097         }
4098
4099         if(sample_movement) {
4100                 position = (double)(get_cursor_x() +
4101                         mwindow->edl->local_session->view_start[pane->number] +
4102                         x_distance) *
4103                         mwindow->edl->local_session->zoom_sample /
4104                         mwindow->edl->session->sample_rate;
4105                 position = mwindow->edl->align_to_frame(position, 0);
4106                 position = MAX(position, 0);
4107
4108 //printf("TrackCanvas::repeat_event 1 %f\n", position);
4109                 switch(mwindow->session->current_operation) {
4110                 case SELECT_REGION:
4111                         if(position < selection_midpoint) {
4112                                 mwindow->edl->local_session->set_selectionend(selection_midpoint);
4113                                 mwindow->edl->local_session->set_selectionstart(position);
4114 // Que the CWindow
4115                                 gui->unlock_window();
4116                                 mwindow->cwindow->update(1, 0, 0);
4117                                 gui->lock_window("TrackCanvas::repeat_event");
4118 // Update the faders
4119                                 mwindow->update_plugin_guis();
4120                                 gui->update_patchbay();
4121                         }
4122                         else {
4123                                 mwindow->edl->local_session->set_selectionstart(selection_midpoint);
4124                                 mwindow->edl->local_session->set_selectionend(position);
4125 // Don't que the CWindow
4126                         }
4127                         break;
4128                 }
4129
4130                 mwindow->samplemovement(
4131                         mwindow->edl->local_session->view_start[pane->number] + x_distance,
4132                         pane->number);
4133         }
4134
4135         if(track_movement) {
4136                 mwindow->trackmovement(y_distance, pane->number);
4137         }
4138
4139         return result;
4140 }
4141
4142 int TrackCanvas::button_release_event()
4143 {
4144         int redraw = 0, update_overlay = 0, result = 0;
4145
4146 // printf("TrackCanvas::button_release_event %d\n",
4147 // mwindow->session->current_operation);
4148         if(active) {
4149                 switch(mwindow->session->current_operation) {
4150                 case DRAG_EDITHANDLE2:
4151                         mwindow->session->current_operation = NO_OPERATION;
4152                         drag_scroll = 0;
4153                         result = 1;
4154
4155                         end_edithandle_selection();
4156                         break;
4157
4158                 case DRAG_EDITHANDLE1:
4159                         mwindow->session->current_operation = NO_OPERATION;
4160                         drag_scroll = 0;
4161                         result = 1;
4162                         break;
4163
4164                 case DRAG_PLUGINHANDLE2:
4165                         mwindow->session->current_operation = NO_OPERATION;
4166                         drag_scroll = 0;
4167                         result = 1;
4168
4169                         end_pluginhandle_selection();
4170                         break;
4171
4172                 case DRAG_PLUGINHANDLE1:
4173                         mwindow->session->current_operation = NO_OPERATION;
4174                         drag_scroll = 0;
4175                         result = 1;
4176                         break;
4177
4178                 case DRAG_FADE:
4179                 case DRAG_SPEED:
4180 // delete the drag_auto_gang first and remove out of order keys
4181                         synchronize_autos(0, 0, 0, -1);
4182                 case DRAG_CZOOM:
4183                 case DRAG_PZOOM:
4184                 case DRAG_PLAY:
4185                 case DRAG_MUTE:
4186                 case DRAG_MASK:
4187                 case DRAG_MODE:
4188                 case DRAG_PAN:
4189                 case DRAG_CAMERA_X:
4190                 case DRAG_CAMERA_Y:
4191                 case DRAG_CAMERA_Z:
4192                 case DRAG_PROJECTOR_X:
4193                 case DRAG_PROJECTOR_Y:
4194                 case DRAG_PROJECTOR_Z:
4195                 case DRAG_PLUGINKEY:
4196                         mwindow->session->current_operation = NO_OPERATION;
4197                         mwindow->session->drag_handle = 0;
4198 // Remove any out-of-order keyframe
4199                         if(mwindow->session->drag_auto) {
4200                                 mwindow->session->drag_auto->autos->remove_nonsequential(
4201                                                 mwindow->session->drag_auto);
4202 //                              mwindow->session->drag_auto->autos->optimize();
4203                                 update_overlay = 1;
4204                         }
4205
4206
4207                         mwindow->undo->update_undo_after(_("keyframe"), LOAD_AUTOMATION);
4208                         result = 1;
4209                         break;
4210
4211                 case DRAG_EDIT:
4212                 case DRAG_AEFFECT_COPY:
4213                 case DRAG_VEFFECT_COPY:
4214 // Trap in drag stop
4215                         break;
4216
4217
4218                 default:
4219                         if(mwindow->session->current_operation) {
4220 //                              if(mwindow->session->current_operation == SELECT_REGION) {
4221 //                                      mwindow->undo->update_undo_after(_("select"), LOAD_SESSION, 0, 0);
4222 //                              }
4223
4224                                 mwindow->session->current_operation = NO_OPERATION;
4225                                 drag_scroll = 0;
4226 // Traps button release events
4227 //                              result = 1;
4228                         }
4229                         break;
4230                 }
4231         }
4232
4233         if (result)
4234                 cursor_motion_event();
4235
4236         if(update_overlay) {
4237                 gui->draw_overlays(1);
4238         }
4239         if(redraw) {
4240                 gui->draw_canvas(NORMAL_DRAW, 0);
4241         }
4242         return result;
4243 }
4244
4245 int TrackCanvas::do_edit_handles(int cursor_x, int cursor_y, int button_press,
4246         int &rerender, int &update_overlay, int &new_cursor, int &update_cursor)
4247 {
4248         Edit *edit_result = 0;
4249         int handle_result = 0;
4250         int result = 0;
4251
4252         if(!mwindow->edl->session->show_assets) return 0;
4253
4254         for(Track *track = mwindow->edl->tracks->first;
4255                 track && !result;
4256                 track = track->next) {
4257                 for(Edit *edit = track->edits->first;
4258                         edit && !result;
4259                         edit = edit->next) {
4260                         int64_t edit_x, edit_y, edit_w, edit_h;
4261                         edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
4262
4263                         if(cursor_x >= edit_x && cursor_x <= edit_x + edit_w &&
4264                                 cursor_y >= edit_y && cursor_y < edit_y + edit_h) {
4265                                 if(cursor_x < edit_x + HANDLE_W) {
4266                                         edit_result = edit;
4267                                         handle_result = 0;
4268                                         result = 1;
4269                                 }
4270                                 else if(cursor_x >= edit_x + edit_w - HANDLE_W) {
4271                                         edit_result = edit;
4272                                         handle_result = 1;
4273                                         result = 1;
4274                                 }
4275                                 else {
4276                                         result = 0;
4277                                 }
4278                         }
4279                 }
4280         }
4281
4282         update_cursor = 1;
4283         if(result) {
4284                 double position = 0;
4285                 if(handle_result == 0) {
4286                         position = edit_result->track->from_units(edit_result->startproject);
4287                         new_cursor = LEFT_CURSOR;
4288                 }
4289                 else if(handle_result == 1) {
4290                         position = edit_result->track->from_units(edit_result->startproject + edit_result->length);
4291                         new_cursor = RIGHT_CURSOR;
4292                 }
4293
4294 // Reposition cursor
4295                 if(button_press) {
4296                         mwindow->session->drag_edit = edit_result;
4297                         mwindow->session->drag_handle = handle_result;
4298                         mwindow->session->drag_button = get_buttonpress() - 1;
4299                         mwindow->session->drag_position = position;
4300                         mwindow->session->current_operation = DRAG_EDITHANDLE1;
4301                         mwindow->session->drag_origin_x = get_cursor_x();
4302                         mwindow->session->drag_origin_y = get_cursor_y();
4303                         mwindow->session->drag_start = position;
4304
4305                         rerender = start_selection(position);
4306                         update_overlay = 1;
4307                 }
4308         }
4309
4310         return result;
4311 }
4312
4313 int TrackCanvas::do_plugin_handles(int cursor_x,
4314         int cursor_y,
4315         int button_press,
4316         int &rerender,
4317         int &update_overlay,
4318         int &new_cursor,
4319         int &update_cursor)
4320 {
4321         Plugin *plugin_result = 0;
4322         int handle_result = 0;
4323         int result = 0;
4324
4325 //      if(!mwindow->edl->session->show_assets) return 0;
4326
4327         for(Track *track = mwindow->edl->tracks->first;
4328                 track && !result;
4329                 track = track->next) {
4330                 for(int i = 0; i < track->plugin_set.total && !result; i++) {
4331                         PluginSet *plugin_set = track->plugin_set.values[i];
4332                         for(Plugin *plugin = (Plugin*)plugin_set->first;
4333                                 plugin && !result;
4334                                 plugin = (Plugin*)plugin->next) {
4335                                 int64_t plugin_x, plugin_y, plugin_w, plugin_h;
4336                                 plugin_dimensions(plugin, plugin_x, plugin_y, plugin_w, plugin_h);
4337
4338                                 if(cursor_x >= plugin_x && cursor_x <= plugin_x + plugin_w &&
4339                                         cursor_y >= plugin_y && cursor_y < plugin_y + plugin_h) {
4340                                         if(cursor_x < plugin_x + HANDLE_W) {
4341                                                 plugin_result = plugin;
4342                                                 handle_result = 0;
4343                                                 result = 1;
4344                                         }
4345                                         else if(cursor_x >= plugin_x + plugin_w - HANDLE_W) {
4346                                                 plugin_result = plugin;
4347                                                 handle_result = 1;
4348                                                 result = 1;
4349                                         }
4350                                 }
4351                         }
4352
4353                         if(result && shift_down())
4354                                 mwindow->session->trim_edits = plugin_set;
4355                 }
4356         }
4357
4358         update_cursor = 1;
4359         if(result) {
4360                 double position = 0;
4361                 if(handle_result == 0) {
4362                         position = plugin_result->track->from_units(plugin_result->startproject);
4363                         new_cursor = LEFT_CURSOR;
4364                 }
4365                 else if(handle_result == 1) {
4366                         position = plugin_result->track->from_units(plugin_result->startproject + plugin_result->length);
4367                         new_cursor = RIGHT_CURSOR;
4368                 }
4369
4370                 if(button_press) {
4371                         mwindow->session->drag_plugin = plugin_result;
4372                         mwindow->session->drag_handle = handle_result;
4373                         mwindow->session->drag_button = get_buttonpress() - 1;
4374                         mwindow->session->drag_position = position;
4375                         mwindow->session->current_operation = DRAG_PLUGINHANDLE1;
4376                         mwindow->session->drag_origin_x = get_cursor_x();
4377                         mwindow->session->drag_origin_y = get_cursor_y();
4378                         mwindow->session->drag_start = position;
4379
4380                         rerender = start_selection(position);
4381                         update_overlay = 1;
4382                 }
4383         }
4384
4385         return result;
4386 }
4387
4388
4389 int TrackCanvas::do_tracks(int cursor_x, int cursor_y, int button_press)
4390 {
4391         int result = 0;
4392
4393 //      if(!mwindow->edl->session->show_assets) return 0;
4394
4395         for(Track *track = mwindow->edl->tracks->first;
4396                 track && !result;
4397                 track = track->next) {
4398                 int64_t track_x, track_y, track_w, track_h;
4399                 track_dimensions(track, track_x, track_y, track_w, track_h);
4400
4401                 if(button_press && get_buttonpress() == 3 &&
4402                         cursor_y >= track_y && cursor_y < track_y + track_h) {
4403                         gui->edit_menu->update(track, 0);
4404                         gui->edit_menu->activate_menu();
4405                         result = 1;
4406                 }
4407         }
4408
4409         return result;
4410 }
4411
4412 int TrackCanvas::do_edits(int cursor_x, int cursor_y, int button_press, int drag_start,
4413         int &redraw, int &rerender, int &new_cursor, int &update_cursor)
4414 {
4415         int result = 0;
4416
4417         if(!mwindow->edl->session->show_assets) return 0;
4418
4419         for(Track *track = mwindow->edl->tracks->first; track && !result; track = track->next) {
4420
4421                 for(Edit *edit = track->edits->first; edit && !result; edit = edit->next) {
4422                         int64_t edit_x, edit_y, edit_w, edit_h;
4423                         edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
4424
4425 // Cursor inside a track
4426 // Cursor inside an edit
4427                         if(cursor_x >= edit_x && cursor_x < edit_x + edit_w &&
4428                                 cursor_y >= edit_y && cursor_y < edit_y + edit_h) {
4429 // Select duration of edit
4430                                 if(button_press) {
4431                                         if(get_double_click() && !drag_start) {
4432                                                 mwindow->edl->local_session->set_selectionstart(edit->track->from_units(edit->startproject));
4433                                                 mwindow->edl->local_session->set_selectionend(edit->track->from_units(edit->startproject) +
4434                                                         edit->track->from_units(edit->length));
4435                                                 if(mwindow->edl->session->cursor_on_frames)
4436                                                 {
4437                                                         mwindow->edl->local_session->set_selectionstart(
4438                                                                 mwindow->edl->align_to_frame(mwindow->edl->local_session->get_selectionstart(1), 0));
4439                                                         mwindow->edl->local_session->set_selectionend(
4440                                                                 mwindow->edl->align_to_frame(mwindow->edl->local_session->get_selectionend(1), 1));
4441                                                 }
4442                                                 redraw = 1;
4443                                                 rerender = 1;
4444                                                 update_cursor = -1;
4445                                                 result = 1;
4446                                         }
4447                                 }
4448                                 else if(drag_start && track->record) {
4449                                         if(mwindow->edl->session->editing_mode == EDITING_ARROW) {
4450 // Need to create drag window
4451                                                 mwindow->session->current_operation = DRAG_EDIT;
4452                                                 mwindow->session->drag_edit = edit;
4453 //printf("TrackCanvas::do_edits 2\n");
4454
4455 // Drag only one edit if ctrl is initially down
4456                                                 if(ctrl_down()) {
4457                                                         mwindow->session->drag_edits->remove_all();
4458                                                         mwindow->session->drag_edits->append(edit);
4459                                                 }
4460                                                 else {
4461 // Construct list of all affected edits
4462                                                         mwindow->edl->tracks->get_affected_edits(
4463                                                                 mwindow->session->drag_edits,
4464                                                                 edit->track->from_units(edit->startproject),
4465                                                                 edit->track);
4466                                                 }
4467                                                 mwindow->session->drag_origin_x = cursor_x;
4468                                                 mwindow->session->drag_origin_y = cursor_y;
4469                                                 // Where the drag started, so we know relative position inside the edit later
4470                                                 mwindow->session->drag_position = (double)cursor_x *
4471                                                         mwindow->edl->local_session->zoom_sample /
4472                                                         mwindow->edl->session->sample_rate +
4473                                                         (double)mwindow->edl->local_session->view_start[pane->number] *
4474                                                         mwindow->edl->local_session->zoom_sample /
4475                                                         mwindow->edl->session->sample_rate;
4476
4477                                                 gui->drag_popup = new BC_DragWindow(gui,
4478                                                         mwindow->theme->get_image("clip_icon") /*,
4479                                                         get_abs_cursor_x(0) - mwindow->theme->get_image("clip_icon")->get_w() / 2,
4480                                                         get_abs_cursor_y(0) - mwindow->theme->get_image("clip_icon")->get_h() / 2 */);
4481
4482                                                 result = 1;
4483                                         }
4484                                 }
4485                         }
4486                 }
4487         }
4488         return result;
4489 }
4490
4491
4492 int TrackCanvas::test_resources(int cursor_x, int cursor_y)
4493 {
4494         return 0;
4495 }
4496
4497 int TrackCanvas::do_plugins(int cursor_x, int cursor_y, int drag_start,
4498         int button_press, int &redraw, int &rerender)
4499 {
4500         Plugin *plugin = 0;
4501         int result = 0;
4502         int done = 0;
4503         int64_t x, y, w, h;
4504         Track *track = 0;
4505
4506
4507 //      if(!mwindow->edl->session->show_assets) return 0;
4508
4509
4510         for(track = mwindow->edl->tracks->first; track && !done; track = track->next) {
4511                 if(!track->expand_view) continue;
4512
4513                 for(int i = 0; i < track->plugin_set.total && !done; i++) {
4514                         // first check if plugins are visible at all
4515                         if (!track->expand_view)
4516                                 continue;
4517                         PluginSet *plugin_set = track->plugin_set.values[i];
4518                         for(plugin = (Plugin*)plugin_set->first;
4519                                 plugin && !done;
4520                                 plugin = (Plugin*)plugin->next) {
4521                                 plugin_dimensions(plugin, x, y, w, h);
4522                                 if(MWindowGUI::visible(x, x + w, 0, get_w()) &&
4523                                         MWindowGUI::visible(y, y + h, 0, get_h())) {
4524                                         if(cursor_x >= x && cursor_x < x + w &&
4525                                                 cursor_y >= y && cursor_y < y + h) {
4526                                                 done = 1;
4527                                                 break;
4528                                         }
4529                                 }
4530                         }
4531                 }
4532         }
4533
4534         if(plugin) {
4535 // Start plugin popup
4536                 if(button_press) {
4537                         if(get_buttonpress() == 3) {
4538                                 gui->plugin_menu->update(plugin);
4539                                 gui->plugin_menu->activate_menu();
4540                                 result = 1;
4541                         }
4542                         else if (get_double_click() && !drag_start) {
4543 // Select range of plugin on doubleclick over plugin
4544                                 mwindow->edl->local_session->set_selectionstart(plugin->track->from_units(plugin->startproject));
4545                                 mwindow->edl->local_session->set_selectionend(plugin->track->from_units(plugin->startproject) +
4546                                         plugin->track->from_units(plugin->length));
4547                                 if(mwindow->edl->session->cursor_on_frames) {
4548                                         mwindow->edl->local_session->set_selectionstart(
4549                                                 mwindow->edl->align_to_frame(mwindow->edl->local_session->get_selectionstart(1), 0));
4550                                         mwindow->edl->local_session->set_selectionend(
4551                                                 mwindow->edl->align_to_frame(mwindow->edl->local_session->get_selectionend(1), 1));
4552                                 }
4553                                 rerender = 1;
4554                                 redraw = 1;
4555                                 result = 1;
4556                         }
4557                 }
4558                 else
4559 // Move plugin
4560                 if(drag_start && plugin->track->record) {
4561                         if(mwindow->edl->session->editing_mode == EDITING_ARROW) {
4562                                 if(plugin->track->data_type == TRACK_AUDIO)
4563                                         mwindow->session->current_operation = DRAG_AEFFECT_COPY;
4564                                 else if(plugin->track->data_type == TRACK_VIDEO)
4565                                         mwindow->session->current_operation = DRAG_VEFFECT_COPY;
4566
4567                                 mwindow->session->drag_plugin = plugin;
4568                                 mwindow->session->drag_origin_x = cursor_x;
4569                                 mwindow->session->drag_origin_y = cursor_y;
4570                                 // Where the drag started, so we know relative position inside the edit later
4571                                 mwindow->session->drag_position =
4572                                         (double)(cursor_x + mwindow->edl->local_session->view_start[pane->number]) *
4573                                         mwindow->edl->local_session->zoom_sample / mwindow->edl->session->sample_rate;
4574 // Create picon
4575                                 switch(plugin->plugin_type) {
4576                                 case PLUGIN_STANDALONE: {
4577                                         PluginServer *server =
4578                                                 mwindow->scan_plugindb(plugin->title, plugin->track->data_type);
4579                                         if( !server ) break;
4580                                         VFrame *frame = server->picon;
4581                                         if(!frame) {
4582                                                 if(plugin->track->data_type == TRACK_AUDIO) {
4583                                                         frame = mwindow->theme->get_image("aeffect_icon");
4584                                                 }
4585                                                 else {
4586                                                         frame = mwindow->theme->get_image("veffect_icon");
4587                                                 }
4588                                         }
4589
4590                                         gui->drag_popup = new BC_DragWindow(gui, frame /*,
4591                                                 get_abs_cursor_x(0) - frame->get_w() / 2,
4592                                                 get_abs_cursor_y(0) - frame->get_h() / 2 */);
4593                                                 break; }
4594
4595                                 case PLUGIN_SHAREDPLUGIN:
4596                                 case PLUGIN_SHAREDMODULE:
4597                                         gui->drag_popup = new BC_DragWindow(gui,
4598                                                 mwindow->theme->get_image("clip_icon") /*,
4599                                                 get_abs_cursor_x(0) - mwindow->theme->get_image("clip_icon")->get_w() / 2,
4600                                                 get_abs_cursor_y(0) - mwindow->theme->get_image("clip_icon")->get_h() / 2 */);
4601                                         break;
4602                                 }
4603
4604                                 result = 1;
4605                         }
4606                 }
4607         }
4608
4609         return result;
4610 }
4611
4612 int TrackCanvas::do_transitions(int cursor_x, int cursor_y,
4613         int button_press, int &new_cursor, int &update_cursor)
4614 {
4615         Transition *transition = 0;
4616         int result = 0;
4617         int64_t x, y, w, h;
4618
4619         if(/* !mwindow->edl->session->show_assets || */
4620                 !mwindow->edl->session->auto_conf->transitions) return 0;
4621
4622         for( Track *track = mwindow->edl->tracks->first; track && !result; track = track->next ) {
4623
4624                 for( Edit *edit = track->edits->first; edit; edit = edit->next ) {
4625                         if( edit->transition ) {
4626                                 edit_dimensions(edit, x, y, w, h);
4627                                 get_transition_coords(x, y, w, h);
4628
4629                                 if( MWindowGUI::visible(x, x + w, 0, get_w()) &&
4630                                         MWindowGUI::visible(y, y + h, 0, get_h()) ) {
4631                                         if( cursor_x >= x && cursor_x < x + w &&
4632                                                 cursor_y >= y && cursor_y < y + h ) {
4633                                                 transition = edit->transition;
4634                                                 result = 1;
4635                                                 break;
4636                                         }
4637                                 }
4638                         }
4639                 }
4640         }
4641
4642         update_cursor = 1;
4643         if(transition) {
4644                 if(!button_press) {
4645                         new_cursor = UPRIGHT_ARROW_CURSOR;
4646                 }
4647                 else if(get_buttonpress() == 3) {
4648                         gui->transition_menu->update(transition);
4649                         gui->transition_menu->activate_menu();
4650                 }
4651         }
4652
4653         return result;
4654 }
4655
4656 int TrackCanvas::button_press_event()
4657 {
4658         int result = 0;
4659         int cursor_x, cursor_y;
4660         int new_cursor;
4661
4662         cursor_x = get_cursor_x();
4663         cursor_y = get_cursor_y();
4664         mwindow->session->trim_edits = 0;
4665
4666         if(is_event_win() && cursor_inside()) {
4667 //              double position = (double)cursor_x *
4668 //                      mwindow->edl->local_session->zoom_sample /
4669 //                      mwindow->edl->session->sample_rate +
4670 //                      (double)mwindow->edl->local_session->view_start[pane->number] *
4671 //                      mwindow->edl->local_session->zoom_sample /
4672 //                      mwindow->edl->session->sample_rate;
4673
4674                 result = 1;
4675                 if(!active) {
4676                         activate();
4677                 }
4678
4679                 if( get_buttonpress() == LEFT_BUTTON &&
4680                     gui->mbuttons->transport->engine->command->command != STOP ) {
4681                         gui->unlock_window();
4682                         gui->mbuttons->transport->handle_transport(STOP, 1, 0, 0);
4683                         gui->lock_window("TrackCanvas::button_press_event");
4684                 }
4685
4686                 int update_overlay = 0, update_cursor = 0, rerender = 0;
4687
4688                 if(get_buttonpress() == WHEEL_UP) {
4689                         if(shift_down())
4690                                 mwindow->expand_sample();
4691                         else if(ctrl_down())
4692                                 mwindow->move_left(get_w()/ 10);
4693                         else
4694                                 mwindow->move_up(get_h() / 10);
4695                 }
4696                 else if(get_buttonpress() == WHEEL_DOWN) {
4697                         if(shift_down())
4698                                 mwindow->zoom_in_sample();
4699                         else if(ctrl_down())
4700                                 mwindow->move_right(get_w() / 10);
4701                         else
4702                                 mwindow->move_down(get_h() / 10);
4703                 }
4704                 else if(get_buttonpress() == 6) {
4705                         if(ctrl_down())
4706                                 mwindow->move_left(get_w());
4707                         else if(alt_down())
4708                                 mwindow->move_left(get_w() / 20);
4709                         else
4710                                 mwindow->move_left(get_w() / 5);
4711                 }
4712                 else if(get_buttonpress() == 7) {
4713                         if(ctrl_down())
4714                                 mwindow->move_right(get_w());
4715                         else if(alt_down())
4716                                 mwindow->move_right(get_w() / 20);
4717                         else
4718                                 mwindow->move_right(get_w() / 5);
4719                 }
4720                 else {
4721                         switch(mwindow->edl->session->editing_mode) {
4722 // Test handles and resource boundaries and highlight a track
4723                         case EDITING_ARROW: {
4724                                 if( do_transitions(cursor_x, cursor_y,
4725                                                 1, new_cursor, update_cursor) ) break;
4726
4727                                 if( do_keyframes(cursor_x, cursor_y,
4728                                         0, get_buttonpress(), new_cursor,
4729                                         update_cursor, rerender) ) break;
4730 // Test edit boundaries
4731                                 if( do_edit_handles(cursor_x, cursor_y,
4732                                         1, rerender, update_overlay, new_cursor,
4733                                         update_cursor) ) break;
4734 // Test plugin boundaries
4735                                 if( do_plugin_handles(cursor_x, cursor_y,
4736                                         1, rerender, update_overlay, new_cursor,
4737                                         update_cursor) ) break;
4738
4739                                 if( do_edits(cursor_x, cursor_y, 1, 0,
4740                                         update_cursor, rerender, new_cursor,
4741                                         update_cursor) ) break;
4742
4743                                 if( do_plugins(cursor_x, cursor_y, 0, 1,
4744                                         update_cursor, rerender) ) break;
4745
4746                                 if( test_resources(cursor_x, cursor_y) ) break;
4747
4748                                 if( do_tracks(cursor_x, cursor_y, 1) ) break;
4749
4750                                 result = 0;
4751                                 break; }
4752
4753 // Test handles only and select a region
4754                         case EDITING_IBEAM: {
4755                                 double position = (double)cursor_x *
4756                                         mwindow->edl->local_session->zoom_sample /
4757                                         mwindow->edl->session->sample_rate +
4758                                         (double)mwindow->edl->local_session->view_start[pane->number] *
4759                                         mwindow->edl->local_session->zoom_sample /
4760                                         mwindow->edl->session->sample_rate;
4761 //printf("TrackCanvas::button_press_event %d\n", position);
4762
4763                                 if( do_transitions(cursor_x, cursor_y,
4764                                                 1, new_cursor, update_cursor)) break;
4765                                 if(do_keyframes(cursor_x, cursor_y,
4766                                         0, get_buttonpress(), new_cursor,
4767                                         update_cursor, rerender)) {
4768                                         update_overlay = 1;
4769                                         break;
4770                                 }
4771 // Test edit boundaries
4772                                 if( do_edit_handles(cursor_x, cursor_y,
4773                                         1, rerender, update_overlay, new_cursor, update_cursor) ) break;
4774 // Test plugin boundaries
4775                                 if( do_plugin_handles(cursor_x, cursor_y,
4776                                         1, rerender, update_overlay, new_cursor, update_cursor) ) break;
4777
4778                                 if( do_edits(cursor_x, cursor_y,
4779                                         1, 0, update_cursor, rerender, new_cursor, update_cursor) ) break;
4780
4781                                 if( do_plugins(cursor_x, cursor_y, 0, 1, update_cursor, rerender) ) break;
4782
4783                                 if( do_tracks(cursor_x, cursor_y, 1) ) break;
4784 // Highlight selection
4785                                 if( get_buttonpress() != LEFT_BUTTON ) break;
4786                                 rerender = start_selection(position);
4787                                 mwindow->session->current_operation = SELECT_REGION;
4788                                 update_cursor = 1;
4789                                 break; }
4790                         }
4791                 }
4792
4793                 if( rerender ) {
4794                         gui->unlock_window();
4795                         mwindow->cwindow->update(1, 0, 0, 0, 1);
4796                         gui->lock_window("TrackCanvas::button_press_event 2");
4797 // Update faders
4798                         mwindow->update_plugin_guis();
4799                         gui->update_patchbay();
4800                 }
4801
4802                 if( update_overlay ) {
4803                         gui->draw_overlays(1);
4804                 }
4805                 if( update_cursor < 0 ) {
4806 // double_click edit
4807                         gui->swindow->update_selection();
4808                 }
4809                 if( update_cursor ) {
4810                         gui->update_timebar(0);
4811                         gui->hide_cursor(0);
4812                         gui->show_cursor(1);
4813                         gui->zoombar->update();
4814                         gui->flash_canvas(1);
4815                 }
4816         }
4817         return result;
4818 }
4819
4820 int TrackCanvas::start_selection(double position)
4821 {
4822         int rerender = 0;
4823         position = mwindow->edl->align_to_frame(position, 1);
4824
4825
4826 // Extend a border
4827         if(shift_down())
4828         {
4829                 double midpoint = (mwindow->edl->local_session->get_selectionstart(1) +
4830                         mwindow->edl->local_session->get_selectionend(1)) / 2;
4831
4832                 if(position < midpoint)
4833                 {
4834                         mwindow->edl->local_session->set_selectionstart(position);
4835                         selection_midpoint = mwindow->edl->local_session->get_selectionend(1);
4836 // Que the CWindow
4837                         rerender = 1;
4838                 }
4839                 else
4840                 {
4841                         mwindow->edl->local_session->set_selectionend(position);
4842                         selection_midpoint = mwindow->edl->local_session->get_selectionstart(1);
4843 // Don't que the CWindow for the end
4844                 }
4845         }
4846         else
4847 // Start a new selection
4848         {
4849 //printf("TrackCanvas::start_selection %f\n", position);
4850                 mwindow->edl->local_session->set_selectionstart(position);
4851                 mwindow->edl->local_session->set_selectionend(position);
4852                 selection_midpoint = position;
4853 // Que the CWindow
4854                 rerender = 1;
4855         }
4856
4857         return rerender;
4858 }
4859
4860 void TrackCanvas::end_edithandle_selection()
4861 {
4862         mwindow->modify_edithandles();
4863 }
4864
4865 void TrackCanvas::end_pluginhandle_selection()
4866 {
4867         mwindow->modify_pluginhandles();
4868 }
4869
4870
4871 double TrackCanvas::time_visible()
4872 {
4873         return (double)get_w() *
4874                 mwindow->edl->local_session->zoom_sample /
4875                 mwindow->edl->session->sample_rate;
4876 }
4877
4878
4879 void TrackCanvas::show_message(Auto *current, int show_curve_type, const char *fmt, ...)
4880 {
4881         char string[BCTEXTLEN];
4882         char *cp = string, *ep = cp + sizeof(string)-1;
4883         if( show_curve_type ) {
4884                 cp += snprintf(string, ep-cp, "%-8s ",
4885                         FloatAuto::curve_name(((FloatAuto*)current)->curve_mode));
4886         }
4887         char string2[BCTEXTLEN];
4888         Units::totext(string2,
4889                 current->autos->track->from_units(current->position),
4890                 mwindow->edl->session->time_format,
4891                 mwindow->edl->session->sample_rate,
4892                 mwindow->edl->session->frame_rate,
4893                 mwindow->edl->session->frames_per_foot);
4894         cp += snprintf(cp, ep-cp, "%s", string2);
4895         va_list ap;
4896         va_start(ap, fmt);
4897         vsnprintf(cp, ep-cp, fmt, ap);
4898         va_end(ap);
4899         gui->show_message(string);
4900 }
4901
4902 // Patchbay* TrackCanvas::get_patchbay()
4903 // {
4904 //      if(pane->patchbay) return pane->patchbay;
4905 //      if(gui->total_panes() == 2 &&
4906 //              gui->pane[TOP_LEFT_PANE] &&
4907 //              gui->pane[TOP_RIGHT_PANE])
4908 //              return gui->pane[TOP_LEFT_PANE]->patchbay;
4909 //      if(gui->total_panes() == 4)
4910 //      {
4911 //              if(pane->number == TOP_RIGHT_PANE)
4912 //                      return gui->pane[TOP_LEFT_PANE]->patchbay;
4913 //              else
4914 //                      return gui->pane[BOTTOM_LEFT_PANE]->patchbay;
4915 //      }
4916 //
4917 //      return 0;
4918 // }
4919
4920