add deselect to editpopup menu, drag edit select/deselect
[goodguy/cinelerra.git] / 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 "bccolors.h"
30 #include "cache.h"
31 #include "canvas.h"
32 #include "cplayback.h"
33 #include "cursors.h"
34 #include "cwindowgui.h"
35 #include "cwindow.h"
36 #include "edithandles.h"
37 #include "editpopup.h"
38 #include "edits.h"
39 #include "edl.h"
40 #include "edlsession.h"
41 #include "floatauto.h"
42 #include "floatautos.h"
43 #include "gwindowgui.h"
44 #include "indexstate.h"
45 #include "intauto.h"
46 #include "intautos.h"
47 #include "keyframe.h"
48 #include "keyframepopup.h"
49 #include "keyframes.h"
50 #include "keys.h"
51 #include "labels.h"
52 #include "localsession.h"
53 #include "mainclock.h"
54 #include "maincursor.h"
55 #include "mainsession.h"
56 #include "mainundo.h"
57 #include "maskautos.h"
58 #include "mbuttons.h"
59 #include "mtimebar.h"
60 #include "mwindowgui.h"
61 #include "mwindow.h"
62 #include "panautos.h"
63 #include "patchbay.h"
64 #include "playbackengine.h"
65 #include "playtransport.h"
66 #include "plugin.h"
67 #include "pluginpopup.h"
68 #include "pluginserver.h"
69 #include "pluginset.h"
70 #include "plugintoggles.h"
71 #include "preferences.h"
72 #include "renderengine.h"
73 #include "resourcepixmap.h"
74 #include "resourcethread.h"
75 #include "swindow.h"
76 #include "theme.h"
77 #include "trackcanvas.h"
78 #include "tracking.h"
79 #include "trackpopup.h"
80 #include "tracks.h"
81 #include "transition.h"
82 #include "transitionhandles.h"
83 #include "transitionpopup.h"
84 #include "transportque.h"
85 #include "vframe.h"
86 #include "vpatchgui.inc"
87 #include "vrender.h"
88 #include "zoombar.h"
89
90 #include <string.h>
91
92 //#define PIXMAP_AGE -5
93 #define PIXMAP_AGE -32
94
95 TrackCanvas::TrackCanvas(MWindow *mwindow,
96         TimelinePane *pane,
97         int x,
98         int y,
99         int w,
100         int h)
101  : BC_SubWindow(x,
102         y,
103         w,
104         h)
105 {
106         this->mwindow = mwindow;
107         this->gui = mwindow->gui;
108         this->pane = pane;
109
110         selection_midpoint = 0;
111         drag_scroll = 0;
112         active = 0;
113         temp_picon = 0;
114         resource_timer = new Timer;
115         render_timer = new Timer;
116         hourglass_enabled = 0;
117         timebar_position = -1;
118         snapped = 0;
119 }
120
121 TrackCanvas::~TrackCanvas()
122 {
123 //      delete transition_handles;
124         delete edit_handles;
125         delete keyframe_pixmap;
126         delete camerakeyframe_pixmap;
127         delete modekeyframe_pixmap;
128         delete pankeyframe_pixmap;
129         delete projectorkeyframe_pixmap;
130         delete maskkeyframe_pixmap;
131         delete background_pixmap;
132         if(temp_picon) delete temp_picon;
133         delete render_timer;
134         delete resource_timer;
135 }
136
137 void TrackCanvas::create_objects()
138 {
139         background_pixmap = new BC_Pixmap(this, get_w(), get_h());
140 //      transition_handles = new TransitionHandles(mwindow, this);
141         edit_handles = new EditHandles(mwindow, this);
142         keyframe_pixmap = new BC_Pixmap(this, mwindow->theme->keyframe_data, PIXMAP_ALPHA);
143         camerakeyframe_pixmap = new BC_Pixmap(this, mwindow->theme->camerakeyframe_data, PIXMAP_ALPHA);
144         modekeyframe_pixmap = new BC_Pixmap(this, mwindow->theme->modekeyframe_data, PIXMAP_ALPHA);
145         pankeyframe_pixmap = new BC_Pixmap(this, mwindow->theme->pankeyframe_data, PIXMAP_ALPHA);
146         projectorkeyframe_pixmap = new BC_Pixmap(this, mwindow->theme->projectorkeyframe_data, PIXMAP_ALPHA);
147         maskkeyframe_pixmap = new BC_Pixmap(this, mwindow->theme->maskkeyframe_data, PIXMAP_ALPHA);
148         draw(NORMAL_DRAW, 1);
149         update_cursor(0);
150         flash(0);
151 }
152
153 void TrackCanvas::resize_event()
154 {
155 //printf("TrackCanvas::resize_event 1\n");
156         draw(NORMAL_DRAW, 0);
157         flash(0);
158 //printf("TrackCanvas::resize_event 2\n");
159 }
160
161 int TrackCanvas::keypress_event()
162 {
163         return 0;
164 }
165
166 int TrackCanvas::cursor_leave_event()
167 {
168 // Because drag motion calls get_cursor_over_window we can be sure that
169 // all highlights get deleted now.
170 // This ended up blocking keyboard input from the drag operations.
171         if( timebar_position >= 0 )
172         {
173                 timebar_position = -1;
174                 if( pane->timebar )
175                         pane->timebar->update(1);
176         }
177
178         return 0;
179 //      return drag_motion();
180 }
181
182 int TrackCanvas::drag_motion_event()
183 {
184         return gui->drag_motion();
185 }
186
187 int TrackCanvas::drag_motion(
188                 Track **over_track, Edit **over_edit,
189                 PluginSet **over_pluginset, Plugin **over_plugin)
190 {
191         int update_scroll = 0;
192         int cursor_x = get_relative_cursor_x();
193         int cursor_y = get_relative_cursor_y();
194         if( get_cursor_over_window() ) {
195                 drag_cursor_motion(cursor_x, cursor_y,
196                         over_track, over_edit, over_pluginset, over_plugin);
197         }
198         if( over_track && !*over_track )
199                 *over_track = pane->over_patchbay();
200
201         switch( mwindow->session->current_operation ) {
202         case DRAG_EDIT_SELECT: {
203                 Edit *edit = over_edit ? *over_edit : 0;
204                 double position = mwindow->edl->get_cursor_position(cursor_x, pane->number);
205                 mwindow->session->drag_position = mwindow->edl->align_to_frame(position, 0);
206                 drag_edit_select(edit, 0, 1);
207                 update_scroll = 1;
208                 break; }
209         }
210
211         if( update_scroll ) {
212                 if( !drag_scroll &&
213                     (cursor_x >= get_w() || cursor_x < 0 ||
214                      cursor_y >= get_h() || cursor_y < 0))
215                         start_dragscroll();
216                 else if( drag_scroll &&
217                          cursor_x < get_w() && cursor_x >= 0 &&
218                          cursor_y < get_h() && cursor_y >= 0 )
219                         stop_dragscroll();
220         }
221
222         return 0;
223 }
224
225 int TrackCanvas::drag_cursor_motion(int cursor_x, int cursor_y,
226                 Track **over_track, Edit **over_edit,
227                 PluginSet **over_pluginset, Plugin **over_plugin)
228 {
229         if( cursor_x >= 0 && cursor_y >= 0 &&
230             cursor_x < get_w() && cursor_y < get_h() )
231         {
232 //printf("TrackCanvas::drag_motion %d %d\n", __LINE__, pane->number);
233 // Find the edit and track the cursor is over
234                 for(Track *track = mwindow->edl->tracks->first; track; track = track->next)
235                 {
236                         if( track->is_hidden() ) continue;
237                         int64_t track_x, track_y, track_w, track_h;
238                         track_dimensions(track, track_x, track_y, track_w, track_h);
239
240                         if(cursor_y >= track_y &&
241                                 cursor_y < track_y + track_h)
242                         {
243                                 *over_track = track;
244                                 for(Edit *edit = track->edits->first; edit; edit = edit->next)
245                                 {
246                                         int64_t edit_x, edit_y, edit_w, edit_h;
247                                         edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
248                                         if( cursor_y < edit_y || cursor_y >= edit_y + edit_h ) continue;
249                                         if( cursor_x >= edit_x && cursor_x < edit_x + edit_w ) {
250                                                 *over_edit = edit;
251                                                 break;
252                                         }
253                                         if( edit != track->edits->last ) continue;
254                                         if( mwindow->session->current_operation != DRAG_ATRANSITION &&
255                                             mwindow->session->current_operation != DRAG_VTRANSITION ) continue;
256                                         if( !edit->silence() ) {
257                                                 // add silence to allow drag transition past last edit
258                                                 //  will be deleted by Edits::optimize if not used
259                                                 double length = mwindow->edl->session->default_transition_length;
260                                                 int64_t start = edit->startproject+edit->length;
261                                                 int64_t units = track->to_units(length, 1);
262                                                 track->edits->create_silence(start, start+units);
263                                                 continue;
264                                         }
265                                         if( cursor_x >= edit_x ) { *over_edit = edit; break; }
266                                 }
267
268                                 for(int i = 0; i < track->plugin_set.total; i++)
269                                 {
270                                         PluginSet *pluginset = track->plugin_set.values[i];
271                                         for(Plugin *plugin = (Plugin*)pluginset->first;
272                                                 plugin;
273                                                 plugin = (Plugin*)plugin->next)
274                                         {
275                                                 int64_t plugin_x, plugin_y, plugin_w, plugin_h;
276                                                 plugin_dimensions(plugin, plugin_x, plugin_y, plugin_w, plugin_h);
277
278                                                 if(cursor_y >= plugin_y &&
279                                                         cursor_y < plugin_y + plugin_h)
280                                                 {
281                                                         *over_pluginset = plugin->plugin_set;
282
283                                                         if(cursor_x >= plugin_x &&
284                                                                 cursor_x < plugin_x + plugin_w)
285                                                         {
286                                                                 *over_plugin = plugin;
287                                                                 break;
288                                                         }
289                                                 }
290                                         }
291                                 }
292                                 break;
293                         }
294                 }
295         }
296
297         return 0;
298 }
299
300
301 int TrackCanvas::drag_stop_event()
302 {
303         int result = gui->drag_stop();
304         if( !result && mwindow->session->current_operation ) {
305                 mwindow->session->current_operation = NO_OPERATION;
306                 drag_scroll = 0;
307         }
308         return result;
309 }
310
311 int TrackCanvas::drag_stop(int *redraw)
312 {
313         int result = 0;
314         int insertion  = 0;
315         int over_window = 0;
316         int cursor_x = -1, cursor_y = -1;
317
318         if( get_cursor_over_window() ) {
319                 if( (cursor_x = get_relative_cursor_x()) >= 0 && cursor_x < get_w() &&
320                     (cursor_y = get_relative_cursor_y()) >= 0 && cursor_y < get_h() )
321                         over_window = 1;
322                 else {
323                         Track *track = pane->over_patchbay();
324                         if( track && mwindow->session->track_highlighted == track )
325                                 over_window = 1;
326                 }
327         }
328
329         if( over_window ) {
330                 switch(mwindow->session->current_operation) {
331                 case DRAG_VTRANSITION:
332                 case DRAG_ATRANSITION:
333                         if(mwindow->session->edit_highlighted) {
334                                 if( (mwindow->session->current_operation == DRAG_ATRANSITION &&
335                                      mwindow->session->track_highlighted->data_type == TRACK_AUDIO) ||
336                                     (mwindow->session->current_operation == DRAG_VTRANSITION &&
337                                      mwindow->session->track_highlighted->data_type == TRACK_VIDEO) ) {
338                                         mwindow->session->current_operation = NO_OPERATION;
339                                         mwindow->paste_transition();
340                                         result = 1;
341                                 }
342                         }
343                         *redraw = 1;
344                         break;
345
346 // Behavior for dragged plugins is limited by the fact that a shared plugin
347 // can only refer to a standalone plugin that exists in the same position in
348 // time.  Dragging a plugin from one point in time to another can't produce
349 // a shared plugin to the original plugin.  In this case we relocate the
350 // plugin instead of sharing it.
351                 case DRAG_AEFFECT_COPY:
352                 case DRAG_VEFFECT_COPY:
353                         if( mwindow->session->track_highlighted &&
354                             ((mwindow->session->current_operation == DRAG_AEFFECT_COPY &&
355                               mwindow->session->track_highlighted->data_type == TRACK_AUDIO) ||
356                              (mwindow->session->current_operation == DRAG_VEFFECT_COPY &&
357                               mwindow->session->track_highlighted->data_type == TRACK_VIDEO)) ) {
358                                 mwindow->session->current_operation = NO_OPERATION;
359
360                                 int64_t drop_position = -1;
361                                 Plugin *drag_plugin = mwindow->session->drag_plugin;
362                                 PluginSet *hi_plugin_set = mwindow->session->pluginset_highlighted;
363                                 Track *hi_track = mwindow->session->track_highlighted;
364
365 // Insert shared plugin in source
366 // Move source to different location
367                                 if( hi_plugin_set && hi_plugin_set->track == drag_plugin->track ) {
368 //printf("TrackCanvas::drag_stop 6\n");
369                                         drop_position = drop_plugin_position(hi_plugin_set, drag_plugin);
370                                         if( drop_position < 0 ) {
371                                                 result = 1;
372                                                 break;          // Do not do anything
373                                         }
374
375                                         Track *track = mwindow->session->track_highlighted;
376                                         drop_position = track->frame_align(drop_position, 0);
377                                         mwindow->move_effect(drag_plugin, hi_plugin_set, drop_position);
378                                         result = 1;
379                                 }
380                                 else if( hi_track ) {
381 // Put it in a new plugin set determined by an edit boundary, or at the start of the track
382                                         Edit *hi_edit = mwindow->session->edit_highlighted;
383                                         drop_position = hi_edit ? hi_edit->startproject : 0;
384                                         if( drop_position < 0 ) {
385                                                 result = 1;
386                                                 break;          // Do not do anything
387                                         }
388
389                                         Track *track = mwindow->session->track_highlighted;
390                                         drop_position = track->frame_align(drop_position, 0);
391                                         mwindow->move_effect(drag_plugin, hi_track, drop_position);
392                                         result = 1;
393                                 }
394                         }
395                         break;
396
397                 case DRAG_AEFFECT:
398                 case DRAG_VEFFECT:
399                         if( mwindow->session->track_highlighted &&
400                             ((mwindow->session->current_operation == DRAG_AEFFECT &&
401                               mwindow->session->track_highlighted->data_type == TRACK_AUDIO) ||
402                              (mwindow->session->current_operation == DRAG_VEFFECT &&
403                               mwindow->session->track_highlighted->data_type == TRACK_VIDEO)) ) {
404 // Drop all the effects
405                                 PluginSet *plugin_set = mwindow->session->pluginset_highlighted;
406                                 Track *track = mwindow->session->track_highlighted;
407                                 double start = 0;
408                                 double length = track->get_length();
409
410                                 if(mwindow->session->plugin_highlighted) {
411                                         start = track->from_units(mwindow->session->plugin_highlighted->startproject);
412                                         length = track->from_units(mwindow->session->plugin_highlighted->length);
413                                         if(length <= 0) length = track->get_length();
414                                 }
415                                 else if(mwindow->session->pluginset_highlighted) {
416                                                 start = track->from_units(plugin_set->length());
417                                         length = track->get_length() - start;
418                                         if(length <= 0) length = track->get_length();
419                                 }
420                                 else if(mwindow->edl->local_session->get_selectionend() >
421                                         mwindow->edl->local_session->get_selectionstart()) {
422                                         start = mwindow->edl->local_session->get_selectionstart();
423                                         length = mwindow->edl->local_session->get_selectionend() -
424                                                 mwindow->edl->local_session->get_selectionstart();
425                                 }
426 // Move to a point between two edits
427                                 else if(mwindow->session->edit_highlighted) {
428                                         start = mwindow->session->track_highlighted->from_units(
429                                                 mwindow->session->edit_highlighted->startproject);
430                                         length = mwindow->session->track_highlighted->from_units(
431                                                 mwindow->session->edit_highlighted->length);
432                                 }
433                                 start = mwindow->edl->align_to_frame(start, 0);
434                                 mwindow->insert_effects_canvas(track, start, length);
435                                 *redraw = 1;
436                         }
437                         if( mwindow->session->track_highlighted )
438                                 result = 1;  // we have to cleanup
439                         break;
440
441                 case DRAG_ASSET:
442                         if(mwindow->session->track_highlighted) {
443                                 double asset_duration = 0;
444                                 int64_t asset_length_units = 0;
445
446                                 if(mwindow->session->current_operation == DRAG_ASSET &&
447                                         mwindow->session->drag_assets->total) {
448                                         Indexable *indexable = mwindow->session->drag_assets->values[0];
449                                         // we use video if we are over video and audio if we are over audio
450                                         if( indexable->have_video() &&
451                                             mwindow->session->track_highlighted->data_type == TRACK_VIDEO ) {
452                                                 // Images have length -1
453                                                 int64_t video_length = indexable->get_video_frames();
454                                                 if (video_length < 0) {
455                                                         if(mwindow->edl->session->si_useduration)
456                                                                 video_length = mwindow->edl->session->si_duration;
457                                                         else
458                                                                 video_length = 1.0 / mwindow->edl->session->frame_rate ;
459                                                 }
460                                                 asset_duration = video_length / indexable->get_frame_rate();
461                                         }
462                                         else if( indexable->have_audio() &&
463                                                  mwindow->session->track_highlighted->data_type == TRACK_AUDIO ) {
464                                                 int64_t audio_length = indexable->get_audio_samples();
465                                                 asset_duration = (double)audio_length / indexable->get_sample_rate();
466                                         }
467                                         else {
468                                                 result = 1;
469                                                 break;  // Do not do anything
470                                         }
471                                 }
472                                 else if( mwindow->session->current_operation == DRAG_ASSET &&
473                                          mwindow->session->drag_clips->total ) {
474                                         EDL *clip = mwindow->session->drag_clips->values[0];
475                                         asset_duration = clip->tracks->total_length();
476                                 }
477                                 else {
478                                         printf("DRAG_ASSET error: Asset dropped, but both drag_clips and drag_assets total is zero\n");
479                                 }
480
481                                 asset_length_units = mwindow->session->track_highlighted->to_units(asset_duration, 1);
482                                 int64_t drop_position = drop_edit_position (&insertion, NULL, asset_length_units);
483                                 if( drop_position < 0 ) {
484                                         result = 1;
485                                         break;          // Do not do anything
486                                 }
487
488                                 Track *track = mwindow->session->track_highlighted;
489                                 double track_position = track->from_units(drop_position);
490                                 track_position = mwindow->edl->align_to_frame(track_position, 0);
491
492 //                              if (!insertion) {
493 //                                      // FIXME, we should create an mwindow/EDL method that overwrites, without clearing the keyframes and autos
494 //                                      // Unfortunately, this is _a lot_ of work to do right
495 //                                      printf("Problematic insertion\n");
496 //                                      mwindow->edl->tracks->clear(track_position,
497 //                                              track_position + asset_duration, 0);
498 //                              }
499                                 mwindow->paste_assets(track_position, track, !insertion);
500                                 result = 1;    // need to be one no matter what, since we have track highlited so we have to cleanup....
501                         }
502                         break;
503
504                 case DRAG_EDIT:
505                         mwindow->session->current_operation = NO_OPERATION;
506                         if(mwindow->session->track_highlighted) {
507                                 if( mwindow->session->track_highlighted->data_type ==
508                                         mwindow->session->drag_edit->track->data_type) {
509                                         int64_t drop_position = drop_edit_position(&insertion,
510                                                         mwindow->session->drag_edit,
511                                                         mwindow->session->drag_edit->length);
512                                         if( drop_position < 0 ) {
513                                                 result = 1;
514                                                 break;          // Do not do anything
515                                         }
516                                         Track *track = mwindow->session->track_highlighted;
517                                         double track_position = track->from_units(drop_position);
518                                         track_position = mwindow->edl->align_to_frame(track_position, 0);
519                                         mwindow->move_edits(mwindow->session->drag_edits,
520                                                         track, track_position, insertion);
521                                 }
522
523                                 result = 1;
524                         }
525                         break;
526                 case DRAG_GROUP: {
527                         mwindow->session->current_operation = NO_OPERATION;
528                         EDL *drag_group = mwindow->session->drag_group;
529                         if( drag_group ) {
530                                 Track *drop_track = mwindow->session->track_highlighted;
531                                 Track *drag_track = mwindow->session->drag_group_first_track;
532                                 Edit *drag_edit = mwindow->session->drag_group_edit;
533                                 Track *edit_track = drag_edit ? drag_edit->track : 0;
534                                 while( drop_track && edit_track ) {
535                                         if( edit_track == drag_track ) break;
536                                         edit_track = edit_track->previous;
537                                         drop_track = drop_track->previous;
538                                 }
539                                 if( drop_track ) {
540                                         double cur_pos = mwindow->session->drag_group_position;
541                                         double new_pos = mwindow->edl->get_cursor_position(cursor_x, pane->number);
542                                         new_pos -= mwindow->session->drag_position - cur_pos;
543                                         new_pos = mwindow->edl->align_to_frame(new_pos, 0);
544                                         double drop_position = new_pos;
545                                         int ret = test_track_group(drag_group, drop_track, new_pos);
546                                         if( !ret && new_pos != drop_position ) {
547                                                 drop_position = new_pos;
548                                                 ret = test_track_group(drag_group, drop_track, new_pos);
549                                         }
550                                         if( ret >= 0 )
551                                                 mwindow->move_group(drag_group, drop_track, drop_position,
552                                                         ret > 0 ? !shift_down() : shift_down());
553                                         drag_group->remove_user();
554                                         mwindow->session->drag_group = 0;
555                                 }
556                         }
557                         result = 1;
558                         break; }
559                 case DRAG_EDIT_SELECT:
560                         int select = ctrl_down() ? -1 : 1;
561                         drag_edit_select(mwindow->session->edit_highlighted, select, 0);
562                         break;
563                 }
564         }
565
566         switch( mwindow->session->current_operation ) {
567         case DRAG_EDIT_SELECT:
568                 mwindow->session->current_operation = NO_OPERATION;
569                 result = 1;
570                 break;
571         }
572
573         return result;
574 }
575
576 int TrackCanvas::drag_start_event()
577 {
578         int result = 0;
579         int redraw = 0;
580         int rerender = 0;
581         int new_cursor, update_cursor;
582
583         if( mwindow->session->current_operation == GROUP_TOGGLE )
584                 mwindow->session->current_operation = NO_OPERATION;
585         else if( mwindow->session->current_operation != NO_OPERATION )
586                 return 0;
587
588         if(is_event_win()) {
589                 if(do_plugins(get_drag_x(), get_drag_y(),
590                                 1, 0, redraw, rerender)) {
591                         result = 1;
592                 }
593                 else if(do_edits(get_drag_x(), get_drag_y(),
594                                 0, 1, redraw, rerender, new_cursor, update_cursor)) {
595                         result = 1;
596                 }
597         }
598
599         return result;
600 }
601
602 int64_t TrackCanvas::drop_edit_position(int *is_insertion, Edit *moved_edit, int64_t moved_edit_length)
603 {
604         // get the canvas/track position
605         Track *track = mwindow->session->track_highlighted;
606         int cursor_x = get_relative_cursor_x();
607         double zoom_scale = (double)mwindow->edl->session->sample_rate / mwindow->edl->local_session->zoom_sample;
608         double cur_pos = (cursor_x + mwindow->edl->local_session->view_start[pane->number]) / zoom_scale;
609         double position = mwindow->edl->align_to_frame(cur_pos, 1);
610         if( position <= 0 ) {
611                 *is_insertion = 1;
612                 return 0;
613         }
614         double cursor_position = position;
615         int64_t drop_position = track->to_units(cursor_position, 1);
616         if( moved_edit ) { // relative cursor position depends upon drop point
617                 double moved_edit_start = moved_edit->track->from_units(moved_edit->startproject);
618                 position -= mwindow->session->drag_position - moved_edit_start;
619         }
620         int64_t edit_position = track->to_units(position, 1);
621         int64_t grab_position = edit_position;
622         if( !moved_edit )  // for clips and assets acts as they were grabbed in the middle
623                 grab_position -= moved_edit_length / 2;
624         Edit *last_edit = track->edits->last;
625         if( !last_edit || edit_position >= (last_edit->startproject+last_edit->length) ) {
626                 *is_insertion = 0;
627                 return edit_position;
628         }
629
630         int64_t drop_start = 0, drop_end = 0;  // drop zone boundries
631         Edit *next_edit = track->edits->first;
632         while( next_edit ) {
633                 Edit *edit = next_edit;  next_edit = (Edit *)edit->next;
634                 int64_t edit_start = edit->startproject;
635                 int64_t edit_end = edit_start + edit->length;
636                 double edit_start_pos = edit->track->from_units(edit_start);
637                 if( (fabs(edit_start_pos-cursor_position)*zoom_scale) < HANDLE_W ) {
638                         *is_insertion = 1; // cursor is close to the beginning of an edit -> insertion
639                         return edit_start;
640                 }
641                 double edit_end_pos = edit->track->from_units(edit_end);
642                 if( (fabs(edit_end_pos-cursor_position)*zoom_scale) < HANDLE_W ) {
643                         *is_insertion = 1; // cursor is close to the end of an edit -> insertion
644                         return edit_end;
645                 }
646                 if( edit != moved_edit && !edit->silence() )
647                         drop_start = edit_end; // reset drop zone
648                 if( next_edit ) {
649                         if( next_edit == moved_edit || next_edit->silence() ) continue;
650                         drop_end = edit_end;
651                 }
652                 else
653                         drop_end = INT64_MAX;
654                 if( edit_position >= drop_start &&
655                     edit_position+moved_edit_length < drop_end ) {
656                         *is_insertion = 0; // fits in the zone
657                         return edit_position;
658                 }
659                 if( drop_position < drop_end ) { // drop in the zone
660                         if( (drop_end - drop_start) >= moved_edit_length ) {
661                                 *is_insertion = 0; // fits in the zone, but over the edge
662                                 int64_t dx0 = llabs(drop_position - drop_start);
663                                 int64_t dx1 = llabs(drop_position - drop_end);
664                                 return dx0 < dx1 ? drop_start : drop_end - moved_edit_length;
665                         }
666                         *is_insertion = 1;
667                         int64_t edit_center = (edit_start + edit_end) / 2;
668                         return position < edit_center ? drop_start : drop_end;
669                 }
670         }
671
672         *is_insertion = 0;
673         return -1;
674 }
675
676 int64_t TrackCanvas::drop_plugin_position(PluginSet *plugin_set, Plugin *moved_plugin)
677 {
678         // get the canvas/track position
679         Track *track = plugin_set->track;
680         double moved_plugin_length = moved_plugin->track->from_units(moved_plugin->length);
681         int64_t track_plugin_length = track->to_units(moved_plugin_length, 0);
682         int cursor_x = get_relative_cursor_x();
683         double zoom_scale = (double)mwindow->edl->session->sample_rate / mwindow->edl->local_session->zoom_sample;
684         double cur_pos = (cursor_x + mwindow->edl->local_session->view_start[pane->number]) / zoom_scale;
685         double position = mwindow->edl->align_to_frame(cur_pos, 1);
686         if( position <= 0 ) return 0;
687         int64_t drop_position = track->to_units(position, 1);
688         Plugin *last_plugin = (Plugin *)plugin_set->last;
689         if( !last_plugin ) return drop_position;
690         double plugin_set_end = last_plugin->track->from_units(last_plugin->startproject+last_plugin->length);
691         if( position >= plugin_set_end ) return drop_position;
692         double moved_plugin_start = moved_plugin->track->from_units(moved_plugin->startproject);
693         position -= mwindow->session->drag_position - moved_plugin_start;
694         int64_t plugin_position = track->to_units(position, 1);
695
696         int64_t drop_start = 0, drop_end = 0;  // drop zone boundries
697         Plugin *next_plugin = (Plugin *)plugin_set->first;
698         while( next_plugin ) {
699                 Plugin *plugin = next_plugin;  next_plugin = (Plugin *)plugin->next;
700                 int64_t plugin_start = plugin->startproject;
701                 int64_t plugin_end = plugin_start + plugin->length;
702                 double plugin_end_pos = plugin->track->from_units(plugin_end);
703                 int64_t track_plugin_end = track->to_units(plugin_end_pos, 0);
704                 if( plugin != moved_plugin && !plugin->silence() )
705                         drop_start = track_plugin_end;
706                 if( next_plugin ) {
707                         if( next_plugin == moved_plugin || next_plugin->silence() ) continue;
708                         drop_end = track_plugin_end;
709                 }
710                 else
711                         drop_end = INT64_MAX;
712                 if( plugin_position >= drop_start && // fits in the zone
713                     plugin_position+track_plugin_length < drop_end ) {
714                         return plugin_position;
715                 }
716                 if( drop_position < drop_end ) { // drop in the zone
717                         if( (drop_end - drop_start) >= track_plugin_length ) {
718                                 int64_t dx0 = llabs(drop_position - drop_start);
719                                 int64_t dx1 = llabs(drop_position - drop_end);
720                                 return dx0 < dx1 ? drop_start : drop_end - track_plugin_length;
721                         }
722                 }
723         }
724
725         return -1;
726 }
727
728 void TrackCanvas::draw(int mode, int hide_cursor)
729 {
730         const int debug = 0;
731
732 // Swap pixmap layers
733         if(get_w() != background_pixmap->get_w() ||
734                 get_h() != background_pixmap->get_h())
735         {
736                 delete background_pixmap;
737                 background_pixmap = new BC_Pixmap(this, get_w(), get_h());
738         }
739
740 // Cursor disappears after resize when this is called.
741 // Cursor doesn't redraw after editing when this isn't called.
742         if(pane->cursor && hide_cursor) pane->cursor->hide();
743         draw_top_background(get_parent(), 0, 0, get_w(), get_h(), background_pixmap);
744
745         if(debug) PRINT_TRACE
746         draw_resources(mode);
747
748         if(debug) PRINT_TRACE
749         draw_overlays();
750         if(debug) PRINT_TRACE
751 }
752
753 void TrackCanvas::update_cursor(int flush)
754 {
755         if( arrow_mode() )
756                 set_cursor(ARROW_CURSOR, 0, flush);
757         else if( ibeam_mode() )
758                 set_cursor(IBEAM_CURSOR, 0, flush);
759 }
760
761
762 void TrackCanvas::test_timer()
763 {
764         if( resource_timer->get_difference() > 1000 && !hourglass_enabled ) {
765                 start_hourglass();
766                 hourglass_enabled = 1;
767         }
768 }
769
770
771 void TrackCanvas::draw_indexes(Indexable *indexable)
772 {
773         IndexState *index_state = indexable->index_state;
774 // Don't redraw raw samples
775         if(index_state->index_zoom > mwindow->edl->local_session->zoom_sample)
776                 return;
777         draw_resources(NORMAL_DRAW, 1, indexable);
778         draw_overlays();
779         flash(0);
780 }
781
782 void TrackCanvas::draw_resources(int mode,
783         int indexes_only,
784         Indexable *indexable)
785 {
786         const int debug = 0;
787
788         if(debug) PRINT_TRACE
789
790 // can't stop thread here, because this is called for every pane
791 //      if(mode != IGNORE_THREAD && !indexes_only)
792 //              gui->resource_thread->stop_draw(!indexes_only);
793
794         if(mode != IGNORE_THREAD &&
795                 !indexes_only &&
796                 !gui->resource_thread->interrupted)
797         {
798                 printf("TrackCanvas::draw_resources %d: called without stopping ResourceThread\n",
799                         __LINE__);
800
801                 BC_Signals::dump_stack();
802         }
803
804         if(debug) PRINT_TRACE
805
806         resource_timer->update();
807
808 // Age resource pixmaps for deletion
809         if(!indexes_only)
810                 for(int i = 0; i < gui->resource_pixmaps.total; i++)
811                         gui->resource_pixmaps.values[i]->visible--;
812
813         if(mode == FORCE_REDRAW)
814                 gui->resource_pixmaps.remove_all_objects();
815
816         if(debug) PRINT_TRACE
817         if(mode != IGNORE_THREAD)
818                 gui->resource_thread->reset(pane->number, indexes_only);
819
820 // Search every edit
821         for(Track *current = mwindow->edl->tracks->first;
822                 current;
823                 current = NEXT)
824         {
825                 if( current->is_hidden() ) continue;
826                 if(debug) PRINT_TRACE
827                 for(Edit *edit = current->edits->first; edit; edit = edit->next)
828                 {
829                         if(debug) PRINT_TRACE
830                         if( current->data_type != TRACK_SUBTITLE )
831                                 if(!edit->asset && !edit->nested_edl) continue;
832                         if(indexes_only)
833                         {
834                                 if(edit->track->data_type != TRACK_AUDIO) continue;
835
836                                 if(edit->nested_edl &&
837                                         strcmp(indexable->path, edit->nested_edl->path)) continue;
838
839                                 if(edit->asset &&
840                                         strcmp(indexable->path, edit->asset->path)) continue;
841                         }
842
843                         if(debug) PRINT_TRACE
844
845                         int64_t edit_x, edit_y, edit_w, edit_h;
846                         edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
847
848 // Edit is visible
849                         if(MWindowGUI::visible(edit_x, edit_x + edit_w, 0, get_w()) &&
850                                 MWindowGUI::visible(edit_y, edit_y + edit_h, 0, get_h()))
851                         {
852                                 int64_t pixmap_x, pixmap_w, pixmap_h;
853                                 if(debug) PRINT_TRACE
854
855 // Search for existing pixmap containing edit
856                                 for(int i = 0; i < gui->resource_pixmaps.total; i++)
857                                 {
858                                         ResourcePixmap* pixmap = gui->resource_pixmaps.values[i];
859 // Same pointer can be different edit if editing took place
860                                         if(pixmap->edit_id == edit->id &&
861                                                 pixmap->pane_number == pane->number)
862                                         {
863                                                 pixmap->visible = 1;
864                                                 break;
865                                         }
866                                 }
867                                 if(debug) PRINT_TRACE
868
869 // Get new size, offset of pixmap needed
870                                 get_pixmap_size(edit,
871                                         edit_x,
872                                         edit_w,
873                                         pixmap_x,
874                                         pixmap_w,
875                                         pixmap_h);
876                                 if(debug) PRINT_TRACE
877
878 // Draw new data
879                                 if(pixmap_w && pixmap_h)
880                                 {
881 // Create pixmap if it doesn't exist
882                                         ResourcePixmap* pixmap = create_pixmap(edit, edit_x,
883                                                 pixmap_x, pixmap_w, pixmap_h);
884 // Resize it if it's bigger
885                                         if( pixmap_w > pixmap->pixmap_w ||
886                                             pixmap_h > pixmap->pixmap_h)
887                                                 pixmap->resize(pixmap_w, pixmap_h);
888                                         pixmap->update_settings(edit, edit_x, edit_w,
889                                                 pixmap_x, pixmap_w, pixmap_h);
890 // Draw data
891                                         if( current->show_assets() )
892                                                 pixmap->draw_data(this,
893                                                         edit, edit_x, edit_w,
894                                                         pixmap_x, pixmap_w, pixmap_h,
895                                                         mode, indexes_only);
896                                         else {
897                                                 set_bg_color(BLACK);
898                                                 clear_box(0,0, pixmap_w,pixmap_h, pixmap);
899                                         }
900 // Draw title
901                                         if( current->show_titles() )
902                                                 pixmap->draw_title(this,
903                                                         edit, edit_x, edit_w,
904                                                         pixmap_x, pixmap_w);
905 // Resize it if it's smaller
906                                         if(pixmap_w < pixmap->pixmap_w ||
907                                                 pixmap_h < pixmap->pixmap_h)
908                                                 pixmap->resize(pixmap_w, pixmap_h);
909
910 // Copy pixmap to background canvas
911                                         background_pixmap->draw_pixmap(pixmap,
912                                                 pixmap->pixmap_x,
913                                                 current->y_pixel - mwindow->edl->local_session->track_start[pane->number],
914                                                 pixmap->pixmap_w,
915                                                 edit_h);
916                                 }
917                                 if(debug) PRINT_TRACE
918
919                         }
920                 }
921                 int64_t track_x, track_y, track_w, track_h;
922                 track_dimensions(current,
923                         track_x, track_y, track_w, track_h);
924                 set_color((~get_resources()->get_bg_color()) & 0xffffff);
925                 set_opaque();
926                 int x1 = track_x, x2 = x1+track_w;
927                 int y1 = track_y+track_h-1;
928                 draw_line(x1,y1, x2,y1, background_pixmap);
929         }
930
931
932 // Delete unused pixmaps
933         if(debug) PRINT_TRACE
934         if(!indexes_only)
935                 for(int i = gui->resource_pixmaps.total - 1; i >= 0; i--)
936                         if(gui->resource_pixmaps.values[i]->visible < PIXMAP_AGE)
937                         {
938 //printf("TrackCanvas::draw_resources %d\n", __LINE__);
939                                 delete gui->resource_pixmaps.values[i];
940                                 gui->resource_pixmaps.remove(gui->resource_pixmaps.values[i]);
941                         }
942         if(debug) PRINT_TRACE
943
944         if(hourglass_enabled)
945         {
946                 stop_hourglass();
947                 hourglass_enabled = 0;
948         }
949         if(debug) PRINT_TRACE
950
951 // can't stop thread here, because this is called for every pane
952 //      if(mode != IGNORE_THREAD && !indexes_only)
953 //              gui->resource_thread->start_draw();
954         if(debug) PRINT_TRACE
955
956
957 }
958
959 ResourcePixmap* TrackCanvas::create_pixmap(Edit *edit,
960         int64_t edit_x,
961         int64_t pixmap_x,
962         int64_t pixmap_w,
963         int64_t pixmap_h)
964 {
965         ResourcePixmap *result = 0;
966
967         for(int i = 0; i < gui->resource_pixmaps.total; i++)
968         {
969 //printf("TrackCanvas::create_pixmap 1 %d %d\n", edit->id, resource_pixmaps.values[i]->edit->id);
970                 if(gui->resource_pixmaps.values[i]->edit_id == edit->id &&
971                         gui->resource_pixmaps.values[i]->pane_number == pane->number)
972                 {
973                         result = gui->resource_pixmaps.values[i];
974                         break;
975                 }
976         }
977
978         if(!result)
979         {
980 //SET_TRACE
981                 result = new ResourcePixmap(mwindow,
982                         gui,
983                         edit,
984                         pane->number,
985                         pixmap_w,
986                         pixmap_h);
987 //SET_TRACE
988                 gui->resource_pixmaps.append(result);
989         }
990
991 //      result->resize(pixmap_w, pixmap_h);
992         return result;
993 }
994
995 void TrackCanvas::get_pixmap_size(Edit *edit,
996         int64_t edit_x,
997         int64_t edit_w,
998         int64_t &pixmap_x,
999         int64_t &pixmap_w,
1000         int64_t &pixmap_h)
1001 {
1002
1003 // Align x on frame boundaries
1004
1005
1006 //      switch(edit->edits->track->data_type)
1007 //      {
1008 //              case TRACK_AUDIO:
1009
1010                         pixmap_x = edit_x;
1011                         pixmap_w = edit_w;
1012                         if(pixmap_x < 0)
1013                         {
1014                                 pixmap_w -= -edit_x;
1015                                 pixmap_x = 0;
1016                         }
1017
1018                         if(pixmap_x + pixmap_w > get_w())
1019                         {
1020                                 pixmap_w = get_w() - pixmap_x;
1021                         }
1022
1023 //                      break;
1024 //
1025 //              case TRACK_VIDEO:
1026 //              {
1027 //                      int64_t picon_w = (int64_t)(edit->picon_w() + 0.5);
1028 //                      int64_t frame_w = (int64_t)(edit->frame_w() + 0.5);
1029 //                      int64_t pixel_increment = MAX(picon_w, frame_w);
1030 //                      int64_t pixmap_x1 = edit_x;
1031 //                      int64_t pixmap_x2 = edit_x + edit_w;
1032 //
1033 //                      if(pixmap_x1 < 0)
1034 //                      {
1035 //                              pixmap_x1 = (int64_t)((double)-edit_x / pixel_increment) *
1036 //                                      pixel_increment +
1037 //                                      edit_x;
1038 //                      }
1039 //
1040 //                      if(pixmap_x2 > get_w())
1041 //                      {
1042 //                              pixmap_x2 = (int64_t)((double)(get_w() - edit_x) / pixel_increment + 1) *
1043 //                                      pixel_increment +
1044 //                                      edit_x;
1045 //                      }
1046 //                      pixmap_x = pixmap_x1;
1047 //                      pixmap_w = pixmap_x2 - pixmap_x1;
1048 //                      break;
1049 //              }
1050 //      }
1051
1052         Track *track = edit->edits->track;
1053         pixmap_h = track->data_h;
1054         if( track->show_titles() )
1055                 pixmap_h += mwindow->theme->get_image("title_bg_data")->get_h();
1056 //printf("get_pixmap_size %d %d %d %d\n", edit_x, edit_w, pixmap_x, pixmap_w);
1057 }
1058
1059 void TrackCanvas::edit_dimensions(Edit *edit,
1060         int64_t &x, int64_t &y, int64_t &w, int64_t &h)
1061 {
1062         x = Units::round(edit->track->from_units(edit->startproject) *
1063                         mwindow->edl->session->sample_rate /
1064                         mwindow->edl->local_session->zoom_sample -
1065                         mwindow->edl->local_session->view_start[pane->number]);
1066
1067         y = edit->edits->track->y_pixel - mwindow->edl->local_session->track_start[pane->number];
1068
1069 // Method for calculating w so when edits are together we never get off by one error due to rounding
1070         int64_t x_next = Units::round(edit->track->from_units(edit->startproject + edit->length) *
1071                         mwindow->edl->session->sample_rate /
1072                         mwindow->edl->local_session->zoom_sample -
1073                         mwindow->edl->local_session->view_start[pane->number]);
1074         w = x_next - x;
1075
1076         int edit_h = 0;
1077         if( edit->track->show_titles() )
1078                 edit_h += mwindow->theme->get_image("title_bg_data")->get_h();
1079         if( edit->track->show_assets() )
1080                 edit_h += edit->track->data_h;
1081         h = edit_h;
1082 }
1083
1084 void TrackCanvas::track_dimensions(Track *track, int64_t &x, int64_t &y, int64_t &w, int64_t &h)
1085 {
1086         x = 0;
1087         w = get_w();
1088         y = track->y_pixel - mwindow->edl->local_session->track_start[pane->number];
1089         h = track->vertical_span(mwindow->theme);
1090 }
1091
1092
1093 void TrackCanvas::draw_paste_destination()
1094 {
1095         //int cursor_x = get_relative_cursor_x();
1096         //int cursor_y = get_relative_cursor_y();
1097         int current_atrack = 0;
1098         int current_vtrack = 0;
1099         int current_aedit = 0;
1100         int current_vedit = 0;
1101         int64_t w = 0;
1102         int64_t x;
1103         double position;
1104         int insertion  = 0;
1105
1106 //if(pane->number == BOTTOM_RIGHT_PANE)
1107 //printf("TrackCanvas::draw_paste_destination %d %p\n", __LINE__, mwindow->session->track_highlighted);
1108
1109         if((mwindow->session->current_operation == DRAG_ASSET &&
1110                         (mwindow->session->drag_assets->total ||
1111                         mwindow->session->drag_clips->total)) ||
1112                 (mwindow->session->current_operation == DRAG_EDIT &&
1113                         mwindow->session->drag_edits->total)) {
1114                 Indexable *indexable = 0;
1115                 EDL *clip = 0;
1116                 //int draw_box = 0;
1117
1118                 if(mwindow->session->current_operation == DRAG_ASSET &&
1119                         mwindow->session->drag_assets->size())
1120                         indexable = mwindow->session->drag_assets->get(0);
1121
1122                 if(mwindow->session->current_operation == DRAG_ASSET &&
1123                         mwindow->session->drag_clips->size())
1124                         clip = mwindow->session->drag_clips->get(0);
1125
1126                 int has_audio = 0, has_video = 0;
1127                 double paste_audio_length = 0, paste_video_length = 0;
1128                 double paste_audio_position = -1, paste_video_position = -1;
1129
1130                 if( indexable ) {
1131                         has_audio = indexable->have_audio();
1132                         paste_audio_length = !has_audio ? 0 :
1133                                  (double)indexable->get_audio_samples() / indexable->get_sample_rate();
1134                         has_video = indexable->have_video();
1135                         Asset *asset = indexable->is_asset ? (Asset *)indexable : 0;
1136                         // Images have length -1
1137                         if( asset && asset->video_data && asset->video_length < 0 ) {
1138                                 paste_video_length = mwindow->edl->session->si_useduration ?
1139                                         mwindow->edl->session->si_duration / asset->frame_rate :
1140                                         1.0 / asset->frame_rate ;  // 1 frame
1141                         }
1142                         else
1143                                 paste_video_length = !has_video ? 0 :
1144                                         (double)indexable->get_video_frames() / indexable->get_frame_rate();
1145                 }
1146
1147                 if( clip ) {
1148                         has_audio = clip->tracks->total_audio_tracks() > 0 ? 1 : 0;
1149                         paste_audio_length = !has_audio ? 0 : clip->tracks->total_audio_length();
1150                         has_video = clip->tracks->total_video_tracks() > 0 ? 1 : 0;
1151                         paste_video_length = !has_video ? 0 : clip->tracks->total_video_length();
1152                 }
1153
1154 // 'Align cursor on frame' lengths calculations
1155                 if( mwindow->edl->session->cursor_on_frames ) {
1156                         double fps = mwindow->edl->session->frame_rate;
1157                         double aud = floor(paste_audio_length * fps) / fps;
1158                         double vid = floor(paste_video_length * fps) / fps;
1159                         double length = has_video && has_audio ?
1160                                         aud < vid ? aud : vid :
1161                                 has_video ? vid :
1162                                 has_audio ? aud : 0;
1163                         paste_video_length = paste_audio_length = length;
1164                 }
1165
1166                 if( has_audio ) { // we use video if we are over video and audio if we are over audio
1167                         int64_t length = 0;
1168                         switch( mwindow->session->track_highlighted->data_type ) {
1169                         case TRACK_VIDEO: length = paste_video_length;  break;
1170                         case TRACK_AUDIO: length = paste_audio_length;  break;
1171                         }
1172                         int64_t asset_length = mwindow->session->track_highlighted->
1173                                 to_units(length, 1);
1174                         paste_audio_position = mwindow->session->track_highlighted->
1175                                 from_units(drop_edit_position(&insertion, NULL, asset_length));
1176                 }
1177                 if( has_video ) {
1178                         int64_t asset_length = mwindow->session->track_highlighted->
1179                                 to_units(paste_video_length, 1);
1180                         paste_video_position = mwindow->session->track_highlighted->
1181                                 from_units(drop_edit_position(&insertion, NULL, asset_length));
1182                 }
1183
1184 // Get destination track
1185                 for(Track *dest = mwindow->session->track_highlighted;
1186                         dest;
1187                         dest = dest->next) {
1188                         if( dest->is_hidden() ) continue;
1189                         if(dest->is_armed()) {
1190 // Get source width in pixels
1191                                 w = -1;
1192 // Use start of highlighted edit
1193                                 if(mwindow->session->edit_highlighted) {
1194                                         position = mwindow->session->track_highlighted->from_units(
1195                                                 mwindow->session->edit_highlighted->startproject);
1196                                 }
1197                                 else {
1198 // Use end of highlighted track, disregarding effects
1199                                         position = mwindow->session->track_highlighted->from_units(
1200                                                 mwindow->session->track_highlighted->edits->length());
1201                                 }
1202
1203 // Get the x coordinate
1204                                 x = Units::to_int64(position *
1205                                         mwindow->edl->session->sample_rate /
1206                                         mwindow->edl->local_session->zoom_sample) -
1207                                         mwindow->edl->local_session->view_start[pane->number];
1208
1209                                 double paste_position = -1.;
1210                                 if(dest->data_type == TRACK_AUDIO) {
1211                                         if(indexable && current_atrack < indexable->get_audio_channels()) {
1212 //printf("TrackCanvas::draw_paste_destination %d %d\n", __LINE__, current_atrack);
1213                                                 w = Units::to_int64((double)indexable->get_audio_samples() /
1214                                                         indexable->get_sample_rate() *
1215                                                         mwindow->edl->session->sample_rate /
1216                                                         mwindow->edl->local_session->zoom_sample);
1217                                                 paste_position = paste_audio_position;
1218                                         }
1219                                         else if(clip && current_atrack < clip->tracks->total_audio_tracks()) {
1220                                                 w = Units::to_int64((double)clip->tracks->total_length() *
1221                                                         mwindow->edl->session->sample_rate /
1222                                                         mwindow->edl->local_session->zoom_sample);
1223                                                 paste_position = paste_audio_position;
1224 //printf("draw_paste_destination %d\n", x);
1225                                         }
1226                                         else if(mwindow->session->current_operation == DRAG_EDIT &&
1227                                                 current_aedit < mwindow->session->drag_edits->total) {
1228                                                 Edit *edit;
1229                                                 while(current_aedit < mwindow->session->drag_edits->total &&
1230                                                         mwindow->session->drag_edits->values[current_aedit]->track->data_type != TRACK_AUDIO)
1231                                                         current_aedit++;
1232
1233                                                 if(current_aedit < mwindow->session->drag_edits->total) {
1234                                                         edit = mwindow->session->drag_edits->values[current_aedit];
1235                                                         w = Units::to_int64(edit->length / mwindow->edl->local_session->zoom_sample);
1236                                                         paste_position = mwindow->session->track_highlighted->
1237                                                                 from_units(drop_edit_position(&insertion,
1238                                                                         mwindow->session->drag_edit,
1239                                                                         mwindow->session->drag_edit->length));
1240                                                         current_aedit++;
1241                                                 }
1242                                         }
1243                                         if( paste_position >= 0 ) {
1244                                                 position = paste_position;
1245                                                 current_atrack++;
1246                                                 //draw_box = 1;
1247                                         }
1248                                         else
1249                                                 w = -1;
1250                                 }
1251                                 else if(dest->data_type == TRACK_VIDEO) {
1252 //printf("draw_paste_destination 1\n");
1253                                         if(indexable && current_vtrack < indexable->get_video_layers())
1254                                         {
1255                                                 w = Units::to_int64((double)indexable->get_video_frames() /
1256                                                         indexable->get_frame_rate() *
1257                                                         mwindow->edl->session->sample_rate /
1258                                                         mwindow->edl->local_session->zoom_sample);
1259                                                 paste_position = paste_video_position;
1260                                         }
1261                                         else if(clip && current_vtrack < clip->tracks->total_video_tracks()) {
1262                                                 w = Units::to_int64(clip->tracks->total_length() *
1263                                                         mwindow->edl->session->sample_rate /
1264                                                         mwindow->edl->local_session->zoom_sample);
1265                                                 paste_position = paste_video_position;
1266                                         }
1267                                         else if(mwindow->session->current_operation == DRAG_EDIT &&
1268                                                 current_vedit < mwindow->session->drag_edits->total) {
1269                                                 Edit *edit;
1270                                                 while(current_vedit < mwindow->session->drag_edits->total &&
1271                                                         mwindow->session->drag_edits->values[current_vedit]->track->data_type != TRACK_VIDEO)
1272                                                         current_vedit++;
1273
1274                                                 if(current_vedit < mwindow->session->drag_edits->total) {
1275                                                         edit = mwindow->session->drag_edits->values[current_vedit];
1276                                                         w = Units::to_int64(edit->track->from_units(edit->length) *
1277                                                                 mwindow->edl->session->sample_rate /
1278                                                                 mwindow->edl->local_session->zoom_sample);
1279                                                         paste_position = mwindow->session->track_highlighted->
1280                                                                 from_units(drop_edit_position(&insertion,
1281                                                                         mwindow->session->drag_edit,
1282                                                                         mwindow->session->drag_edit->length));
1283                                                         current_vedit++;
1284                                                 }
1285                                         }
1286                                         if( paste_position >= 0 ) {
1287                                                 position = paste_position;
1288                                                 current_vtrack++;
1289                                                 //draw_box = 1;
1290                                         }
1291                                         else
1292                                                 w = -1;
1293                                 }
1294
1295                                 if(w >= 0) {
1296 // Get the x coordinate
1297                                         x = Units::to_int64(position *
1298                                                 mwindow->edl->session->sample_rate /
1299                                                 mwindow->edl->local_session->zoom_sample) -
1300                                                 mwindow->edl->local_session->view_start[pane->number];
1301                                         int y = dest->y_pixel - mwindow->edl->local_session->track_start[pane->number];
1302                                         int h = dest->vertical_span(mwindow->theme);
1303
1304 //printf("TrackCanvas::draw_paste_destination 2 %d %d %d %d\n", x, y, w, h);
1305                                         if(x < -BC_INFINITY) {
1306                                                 w -= -BC_INFINITY - x;
1307                                                 x += -BC_INFINITY - x;
1308                                         }
1309                                         w = MIN(65535, w);
1310 // if(pane->number == TOP_RIGHT_PANE)
1311 // printf("TrackCanvas::draw_paste_destination %d %d %d %d %d\n",
1312 // __LINE__, x, y, w, h);
1313                                         if (insertion)
1314                                                 draw_highlight_insertion(x, y, w, h);
1315                                         else
1316                                                 draw_highlight_rectangle(x, y, w, h);
1317                                 }
1318                         }
1319                 }
1320         }
1321 }
1322
1323 void TrackCanvas::plugin_dimensions(Plugin *plugin, int64_t &x, int64_t &y, int64_t &w, int64_t &h)
1324 {
1325         x = Units::round(plugin->track->from_units(plugin->startproject) *
1326                 mwindow->edl->session->sample_rate /
1327                 mwindow->edl->local_session->zoom_sample -
1328                 mwindow->edl->local_session->view_start[pane->number]);
1329         w = Units::round(plugin->track->from_units(plugin->length) *
1330                 mwindow->edl->session->sample_rate /
1331                 mwindow->edl->local_session->zoom_sample);
1332         y = plugin->track->y_pixel
1333                 - mwindow->edl->local_session->track_start[pane->number];
1334         if( plugin->track->show_titles() )
1335                 y += mwindow->theme->get_image("title_bg_data")->get_h();
1336         if( plugin->track->show_assets() )
1337                 y += plugin->track->data_h;
1338         y += plugin->plugin_set->get_number() *
1339                         mwindow->theme->get_image("plugin_bg_data")->get_h();
1340         h = mwindow->theme->get_image("plugin_bg_data")->get_h();
1341 }
1342
1343
1344 void TrackCanvas::draw_highlight_rectangle(int x, int y, int w, int h)
1345 {
1346
1347 // if we have to draw a highlighted rectangle completely on the left or completely on the right of the viewport,
1348 // just draw arrows, so user has indication that something is there
1349 // FIXME: get better colors
1350
1351         if (x + w <= 0)
1352         {
1353                 draw_triangle_left(0, y + h /6,
1354                         h * 2/3, h * 2/3, BLACK, GREEN, YELLOW, RED, BLUE);
1355                 return;
1356         } else
1357         if (x >= get_w())
1358         {
1359                 draw_triangle_right(get_w() - h * 2/3, y + h /6,
1360                         h * 2/3, h * 2/3, BLACK, GREEN, YELLOW, RED, BLUE);
1361                 return;
1362         }
1363
1364 // Fix bug in heroines & cvs version as of 22.8.2005:
1365 // If we grab when zoomed in and zoom out while dragging, when edit gets really narrow strange things start happening
1366         if (w >= 0 && w < 3) {x -= w /2; w = 3;};
1367         if(x < -10) { w += x - -10;  x = -10; }
1368         if(y < -10) { h += y - -10;  y = -10; }
1369
1370         w = MIN(w, get_w() + 20);
1371         h = MIN(h, get_h() + 20);
1372         if(w > 0 && h > 0)
1373         {
1374                 set_color(mwindow->preferences->highlight_inverse);
1375                 set_inverse();
1376                 //draw_rectangle(x, y, w, h);
1377                 draw_rectangle(x + 1, y + 1, w - 2, h - 2);
1378                 draw_rectangle(x + 2, y + 2, w - 4, h - 4);
1379                 set_opaque();
1380                 draw_rectangle(x, y, w, h);
1381         }
1382 //if(pane->number == TOP_RIGHT_PANE)
1383 //printf("TrackCanvas::draw_highlight_rectangle %d %d %d %d %d\n", __LINE__, x, y, w, h);
1384 }
1385
1386 void TrackCanvas::draw_highlight_insertion(int x, int y, int w, int h)
1387 {
1388
1389 // if we have to draw a highlighted rectangle completely on the left or completely on the right of the viewport,
1390 // just draw arrows, so user has indication that something is there
1391 // FIXME: get better colors
1392
1393
1394
1395         int h1 = h / 8;
1396         int h2 = h / 4;
1397
1398         set_inverse();
1399
1400 /* these don't look so good
1401
1402         draw_line(x, y, x, y+h);
1403         draw_line(x - h2 * 2, y + h1*2,   x - h2, y+h1*2);
1404         draw_line(x - h2 * 2, y + h1*2+1, x - h2, y+h1*2+1);
1405         draw_line(x - h2 * 2, y + h1*6,   x - h2, y+h1*6);
1406         draw_line(x - h2 * 2, y + h1*6+1, x - h2, y+h1*6+1);
1407 */
1408         draw_triangle_right(x - h2, y + h1, h2, h2, BLACK, GREEN, YELLOW, RED, BLUE);
1409         draw_triangle_right(x - h2, y + h1*5, h2, h2, BLACK, GREEN, YELLOW, RED, BLUE);
1410
1411 /*      draw_line(x + h2 * 2, y + h1*2,   x + h2, y+h1*2);
1412         draw_line(x + h2 * 2, y + h1*2+1, x + h2, y+h1*2+1);
1413         draw_line(x + h2 * 2, y + h1*6,   x + h2, y+h1*6);
1414         draw_line(x - h2 * 2, y + h1*6+1, x + h2, y+h1*6+1);
1415 */
1416         draw_triangle_left(x, y + h1, h2, h2, BLACK, GREEN, YELLOW, RED, BLUE);
1417         draw_triangle_left(x, y + h1*5, h2, h2, BLACK, GREEN, YELLOW, RED, BLUE);
1418
1419 // draw the box centred around x
1420         x -= w / 2;
1421 // Fix bug in heroines & cvs version as of 22.8.2005:
1422 // If we grab when zoomed in and zoom out while dragging, when edit gets really narrow strange things start happening
1423         if (w >= 0 && w < 3) {x -= w /2; w = 3;};
1424         if(x < -10) { w += x - -10;  x = -10; }
1425         if(y < -10) { h += y - -10;  y = -10; }
1426         w = MIN(w, get_w() + 20);
1427         h = MIN(h, get_h() + 20);
1428         set_color(mwindow->preferences->highlight_inverse);
1429         set_inverse();
1430         draw_rectangle(x, y, w, h);
1431         draw_rectangle(x + 1, y + 1, w - 2, h - 2);
1432         set_opaque();
1433 //printf("TrackCanvas::draw_highlight_insertion %d %d %d %d\n", x, y, w, h);
1434 }
1435
1436 void TrackCanvas::draw_playback_cursor()
1437 {
1438 // Called before playback_cursor exists
1439 //      if(mwindow->playback_cursor && mwindow->playback_cursor->visible)
1440 //      {
1441 //              mwindow->playback_cursor->visible = 0;
1442 //              mwindow->playback_cursor->draw();
1443 //      }
1444 }
1445
1446 void TrackCanvas::get_handle_coords(Edit *edit, int64_t &x, int64_t &y, int64_t &w, int64_t &h, int side)
1447 {
1448         int handle_w = mwindow->theme->edithandlein_data[0]->get_w();
1449         int handle_h = mwindow->theme->edithandlein_data[0]->get_h();
1450
1451         edit_dimensions(edit, x, y, w, h);
1452
1453         if( edit->track->show_titles() )
1454                 y += mwindow->theme->get_image("title_bg_data")->get_h();
1455
1456         if(side == EDIT_OUT)
1457                 x += w - handle_w;
1458
1459         h = handle_h;
1460         w = handle_w;
1461 }
1462
1463 void TrackCanvas::get_transition_coords(Edit *edit,
1464                 int64_t &x, int64_t &y, int64_t &w, int64_t &h)
1465 {
1466         int transition_w = xS(30), transition_h = yS(30);
1467         int has_titles = edit->track->show_titles();
1468         int has_assets = edit->track->show_assets();
1469         double title_bg_h = mwindow->theme->get_image("title_bg_data")->get_h();
1470         int data_h = edit->track->data_h;
1471         double ys = has_assets ? data_h : has_titles ? title_bg_h : 0;
1472         double dy = has_titles ?
1473                 ( has_assets ? title_bg_h + data_h/2 : title_bg_h/2 ) :
1474                 ( has_assets ? data_h/2 : 0) ;
1475         double title_h = mwindow->theme->title_h;
1476         if( dy < title_h / 2 ) { ys = title_h;  dy = ys / 2; }
1477         y += dy;
1478
1479         x -= transition_w / 2;
1480         y -= transition_h / 2;
1481         w = transition_w;
1482         h = transition_h;
1483 }
1484
1485 void TrackCanvas::draw_highlighting()
1486 {
1487         int64_t x, y, w, h;
1488         int draw_box = 0;
1489
1490         switch(mwindow->session->current_operation)
1491         {
1492                 case DRAG_ATRANSITION:
1493                 case DRAG_VTRANSITION:
1494 //printf("TrackCanvas::draw_highlighting 1 %p %p\n",
1495 //      mwindow->session->track_highlighted, mwindow->session->edit_highlighted);
1496                         if(mwindow->session->edit_highlighted) {
1497                                 if((mwindow->session->current_operation == DRAG_ATRANSITION &&
1498                                         mwindow->session->track_highlighted->data_type == TRACK_AUDIO) ||
1499                                         (mwindow->session->current_operation == DRAG_VTRANSITION &&
1500                                         mwindow->session->track_highlighted->data_type == TRACK_VIDEO)) {
1501                                         edit_dimensions(mwindow->session->edit_highlighted,
1502                                                 x, y, w, h);
1503                                         if(MWindowGUI::visible(x, x + w, 0, get_w()) &&
1504                                                 MWindowGUI::visible(y, y + h, 0, get_h())) {
1505                                                 draw_box = 1;
1506                                                 get_transition_coords(mwindow->session->edit_highlighted,
1507                                                         x, y, w, h);
1508                                         }
1509                                 }
1510                         }
1511                         break;
1512
1513 // Dragging a new effect from the Resource window
1514                 case DRAG_AEFFECT:
1515                 case DRAG_VEFFECT:
1516                         if(mwindow->session->track_highlighted &&
1517                                 ((mwindow->session->current_operation == DRAG_AEFFECT &&
1518                                   mwindow->session->track_highlighted->data_type == TRACK_AUDIO) ||
1519                                  (mwindow->session->current_operation == DRAG_VEFFECT &&
1520                                   mwindow->session->track_highlighted->data_type == TRACK_VIDEO))) {
1521 // Put it before another plugin
1522                                 if(mwindow->session->plugin_highlighted) {
1523                                         plugin_dimensions(mwindow->session->plugin_highlighted,
1524                                                 x, y, w, h);
1525 //printf("TrackCanvas::draw_highlighting 1 %d %d\n", x, w);
1526                                 }
1527 // Put it after a plugin set
1528                                 else if( mwindow->session->pluginset_highlighted &&
1529                                          mwindow->session->pluginset_highlighted->last ) {
1530                                         plugin_dimensions((Plugin*)mwindow->session->pluginset_highlighted->last,
1531                                                 x, y, w, h);
1532 //printf("TrackCanvas::draw_highlighting 1 %d %d\n", x, w);
1533                                         int64_t track_x, track_y, track_w, track_h;
1534                                         track_dimensions(mwindow->session->track_highlighted,
1535                                                 track_x, track_y, track_w, track_h);
1536
1537                                         x += w;
1538                                         w = Units::round(
1539                                                         mwindow->session->track_highlighted->get_length() *
1540                                                         mwindow->edl->session->sample_rate /
1541                                                         mwindow->edl->local_session->zoom_sample -
1542                                                         mwindow->edl->local_session->view_start[pane->number]) -
1543                                                 x;
1544 //printf("TrackCanvas::draw_highlighting 2 %d\n", w);
1545                                         if(w <= 0) w = track_w;
1546                                 }
1547                                 else {
1548                                         track_dimensions(mwindow->session->track_highlighted,
1549                                                 x, y, w, h);
1550
1551 //printf("TrackCanvas::draw_highlighting 1 %d %d %d %d\n", x, y, w, h);
1552 // Put it in a new plugin set determined by the selected range
1553                                         if(mwindow->edl->local_session->get_selectionend() >
1554                                                 mwindow->edl->local_session->get_selectionstart()) {
1555                                                 x = Units::to_int64(mwindow->edl->local_session->get_selectionstart() *
1556                                                         mwindow->edl->session->sample_rate /
1557                                                         mwindow->edl->local_session->zoom_sample -
1558                                                         mwindow->edl->local_session->view_start[pane->number]);
1559                                                 w = Units::to_int64((mwindow->edl->local_session->get_selectionend() -
1560                                                         mwindow->edl->local_session->get_selectionstart()) *
1561                                                         mwindow->edl->session->sample_rate /
1562                                                         mwindow->edl->local_session->zoom_sample);
1563                                         }
1564 // Put it in a new plugin set determined by an edit boundary
1565                                         else if(mwindow->session->edit_highlighted) {
1566                                                 int64_t temp_y, temp_h;
1567                                                 edit_dimensions(mwindow->session->edit_highlighted,
1568                                                         x, temp_y, w, temp_h);
1569                                         }
1570 // Put it at the beginning of the track in a new plugin set
1571                                 }
1572
1573                                 if( MWindowGUI::visible(x, x + w, 0, get_w()) &&
1574                                     MWindowGUI::visible(y, y + h, 0, get_h()) ) {
1575 //printf("TrackCanvas::draw_highlighting 1\n");
1576                                         draw_box = 1;
1577                                 }
1578                         }
1579                         break;
1580
1581                 case DRAG_ASSET:
1582                         if(mwindow->session->track_highlighted) {
1583 //                              track_dimensions(mwindow->session->track_highlighted, x, y, w, h);
1584
1585 //                              if(MWindowGUI::visible(y, y + h, 0, get_h()))
1586 //                              {
1587                                         draw_paste_destination();
1588 //                              }
1589                         }
1590                         break;
1591
1592                 case DRAG_EDIT:
1593                         if(mwindow->session->track_highlighted) {
1594 //                              track_dimensions(mwindow->session->track_highlighted, x, y, w, h);
1595 //
1596 //                              if(MWindowGUI::visible(y, y + h, 0, get_h())) {
1597                                         draw_paste_destination();
1598 //                              }
1599                         }
1600                         break;
1601                 case DRAG_GROUP:
1602                         if( mwindow->session->track_highlighted && mwindow->session->drag_group &&
1603                             mwindow->session->drag_group_edit && mwindow->session->drag_group_first_track ) {
1604                                 Track *track = mwindow->session->track_highlighted;
1605                                 EDL *drag_group = mwindow->session->drag_group;
1606                                 Track *edit_track = mwindow->session->drag_group_edit->track;
1607                                 Track *drag_track = mwindow->session->drag_group_first_track;
1608                                 while( track && edit_track && edit_track != drag_track ) {
1609                                         edit_track = edit_track->previous;
1610                                         track = track->previous;
1611                                 }
1612                                 int cx = get_cursor_x();
1613                                 double cur_pos = mwindow->session->drag_group_position;
1614                                 double new_pos = mwindow->edl->get_cursor_position(cx, pane->number);
1615                                 new_pos -= mwindow->session->drag_position - cur_pos;
1616                                 new_pos = mwindow->edl->align_to_frame(new_pos, 0);
1617                                 double drop_position = new_pos;
1618                                 int color = GREEN;
1619                                 int ret = test_track_group(drag_group, track, new_pos);
1620                                 if( ret < 0 )
1621                                         color = ORANGE;
1622                                 else if( !ret ) {
1623                                         if( new_pos != drop_position ) {
1624                                                 double pos = new_pos;
1625                                                 pos += mwindow->session->drag_position - cur_pos;
1626                                                 cx = mwindow->edl->get_position_cursorx(pos, pane->number);
1627                                                 ret = test_track_group(drag_group, track, new_pos);
1628                                         }
1629                                         color = ret > 0 ? YELLOW : shift_down() ? RED : BLUE;
1630                                 }
1631                                 track_dimensions(mwindow->session->track_highlighted, x, y, w, h);
1632                                 int dx = cx - mwindow->session->drag_origin_x;
1633                                 int dy = y - mwindow->session->drag_origin_y;
1634                                 draw_selected_edits(mwindow->edl, dx, dy, color, -1);
1635                         }
1636                         break;
1637 // Dragging an effect from the timeline
1638                 case DRAG_AEFFECT_COPY:
1639                 case DRAG_VEFFECT_COPY:
1640                         if( (mwindow->session->plugin_highlighted || mwindow->session->track_highlighted) &&
1641                             ((mwindow->session->current_operation == DRAG_AEFFECT_COPY &&
1642                               mwindow->session->track_highlighted->data_type == TRACK_AUDIO) ||
1643                              (mwindow->session->current_operation == DRAG_VEFFECT_COPY &&
1644                               mwindow->session->track_highlighted->data_type == TRACK_VIDEO))) {
1645
1646                                 int64_t plugin_position = -1;
1647                                 Plugin *drag_plugin = mwindow->session->drag_plugin;
1648                                 PluginSet *hi_plugin_set = mwindow->session->pluginset_highlighted;
1649                                 Track *hi_track = mwindow->session->track_highlighted;
1650                                 Edit *hi_edit = mwindow->session->edit_highlighted;
1651 // Put it into a silence zone
1652                                 if( hi_plugin_set && hi_plugin_set->last &&
1653                                     hi_plugin_set->track == drag_plugin->track ) {
1654                                         plugin_dimensions((Plugin *)hi_plugin_set->last, x, y, w, h);
1655                                         plugin_position = drop_plugin_position(hi_plugin_set, drag_plugin);
1656                                         hi_track = drag_plugin->track;
1657                                 }
1658                                 else if( hi_track ) {
1659 // Put it in a new plugin set determined by an edit boundary, or at the start of the track
1660                                         track_dimensions(hi_track, x, y, w, h);
1661                                         plugin_position = hi_edit ? hi_edit->startproject : 0;
1662                                 }
1663
1664                                 if( plugin_position < 0 ) break;
1665
1666 // Calculate length of plugin based on data type of track and units
1667                                 double zoom_scale = (double)mwindow->edl->session->sample_rate /
1668                                                 mwindow->edl->local_session->zoom_sample;
1669                                 x = Units::round(hi_track->from_units(plugin_position) * zoom_scale) -
1670                                                 mwindow->edl->local_session->view_start[pane->number];
1671                                 w = Units::round(hi_track->from_units(drag_plugin->length) * zoom_scale);
1672
1673                                 if( MWindowGUI::visible(x, x + w, 0, get_w()) &&
1674                                     MWindowGUI::visible(y, y + h, 0, get_h()) ) {
1675                                         draw_box = 1;
1676                                 }
1677                         }
1678                         break;
1679
1680                 case DRAG_PLUGINKEY:
1681                         if(mwindow->session->plugin_highlighted &&
1682                            mwindow->session->current_operation == DRAG_PLUGINKEY)
1683                         {
1684 // Just highlight the plugin
1685                                 plugin_dimensions(mwindow->session->plugin_highlighted, x, y, w, h);
1686
1687                                 if(MWindowGUI::visible(x, x + w, 0, get_w()) &&
1688                                         MWindowGUI::visible(y, y + h, 0, get_h()))
1689                                 {
1690                                         draw_box = 1;
1691                                 }
1692                         }
1693                         break;
1694
1695                 case DRAG_SPEED:
1696                         draw_speed_highlight();
1697                         break;
1698         }
1699
1700         if( draw_box )
1701                 draw_highlight_rectangle(x, y, w, h);
1702
1703         draw_selected_edits(mwindow->edl, 0, 0, GREEN+BLUE, RED);
1704 }
1705
1706 void TrackCanvas::draw_speed_highlight()
1707 {
1708         FloatAuto *drag_speed = (FloatAuto*)mwindow->session->drag_auto;
1709         if( !drag_speed ) return;
1710         draw_speed_track(drag_speed->autos->track);
1711         ArrayList<Auto*> &speed_gang = *mwindow->session->drag_auto_gang;
1712         for( int i=0, sz=speed_gang.size(); i<sz; ++i ) {
1713                 Track *track = speed_gang[i]->autos->track;
1714                 if( track->is_hidden() ) continue;
1715                 draw_speed_track(track);
1716         }
1717 }
1718
1719 void TrackCanvas::draw_speed_track(Track *track)
1720 {
1721         for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
1722                 int64_t x, y, w, h;
1723                 edit_dimensions(edit, x, y, w, h);
1724                 if( !MWindowGUI::visible(x, x + w, 0, get_w()) ) continue;
1725                 if( !MWindowGUI::visible(y, y + h, 0, get_h()) ) continue;
1726                 int color = 0xc00cc0;
1727                 set_color(color);
1728                 set_opaque();
1729                 draw_selected(x, y, w, h);
1730         }
1731 }
1732
1733 // x does not reliably draw a really big rectangle
1734 void TrackCanvas::draw_selected(int x, int y, int w, int h)
1735 {
1736         int x1 = bmax(x, 0), x2 = bmin(x+w, get_w());
1737         if( x1 > x2 ) return;
1738         int y1 = bmax(y, 0), y2 = bmin(y+h, get_h());
1739         if( y1 > y2 ) return;
1740         if( x   >= 0 && x   < get_w() ) draw_line(x,y1,   x,y2);
1741         if( x+w >= 0 && x+w < get_w() ) draw_line(x+w,y1, x+w,y2);
1742         if( y   >= 0 && y   < get_h() ) draw_line(x1,y,   x2,y);
1743         if( y+h >= 0 && y+h < get_h() ) draw_line(x1,y+h, x2,y+h);
1744 }
1745
1746 void TrackCanvas::draw_selected_edits(EDL *edl, int dx, int dy, int color0, int color1)
1747 {
1748         int dropping = 0;
1749         for( Track *track=edl->tracks->first; track; track=track->next ) {
1750                 if( track->is_hidden() ) continue;
1751                 if( !track->is_armed() && color1 < 0 ) {
1752                         if( dropping )
1753                                 dy -= track->vertical_span(mwindow->theme);
1754                         continue;
1755                 }
1756                 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
1757                         if( !edit->is_selected ) continue;
1758                         dropping = 1;
1759                         int64_t x, y, w, h;
1760                         edit_dimensions(edit, x, y, w, h);
1761                         x += dx;  y += dy;
1762                         if( !MWindowGUI::visible(x, x + w, 0, get_w()) ) continue;
1763                         if( !MWindowGUI::visible(y, y + h, 0, get_h()) ) continue;
1764                         set_opaque();
1765                         int inner = color1 < 0 ? color0 : !edit->group_id ? color0 :
1766                                 mwindow->get_group_color(edit->group_id);
1767                         int outer = color1 < 0 ? color0 : !edit->group_id ? color1 : inner;
1768                         set_color(track->is_armed() ? inner : outer);
1769                         draw_selected(x, y, w, h);
1770                         set_color(track->is_armed() ? outer : inner);
1771                         draw_selected(x-1, y-1, w+2, h+2);
1772                         draw_selected(x-2, y-2, w+1, h+1);
1773                 }
1774         }
1775 }
1776
1777 void TrackCanvas::draw_plugins()
1778 {
1779         char string[BCTEXTLEN];
1780         int current_on = 0;
1781         int current_show = 0;
1782         int current_preset = 0;
1783
1784         for(int i = 0; i < plugin_on_toggles.total; i++)
1785                 plugin_on_toggles.values[i]->in_use = 0;
1786         for(int i = 0; i < plugin_show_toggles.total; i++)
1787                 plugin_show_toggles.values[i]->in_use = 0;
1788         for(int i = 0; i < preset_edit_buttons.total; i++)
1789                 plugin_show_toggles.values[i]->in_use = 0;
1790
1791
1792         for(Track *track = mwindow->edl->tracks->first;
1793                 track;
1794                 track = track->next)
1795         {
1796                 if( track->is_hidden() ) continue;
1797                 if(track->expand_view)
1798                 {
1799                         for(int i = 0; i < track->plugin_set.total; i++)
1800                         {
1801                                 PluginSet *pluginset = track->plugin_set.values[i];
1802
1803                                 for(Plugin *plugin = (Plugin*)pluginset->first; plugin; plugin = (Plugin*)plugin->next)
1804                                 {
1805                                         int64_t total_x, y, total_w, h;
1806                                         plugin_dimensions(plugin, total_x, y, total_w, h);
1807
1808                                         if(MWindowGUI::visible(total_x, total_x + total_w, 0, get_w()) &&
1809                                                 MWindowGUI::visible(y, y + h, 0, get_h()) &&
1810                                                 plugin->plugin_type != PLUGIN_NONE)
1811                                         {
1812                                                 int x = total_x, w = total_w, left_margin = 5;
1813                                                 int right_margin = 5;
1814                                                 if(x < 0)
1815                                                 {
1816                                                         w -= -x;
1817                                                         x = 0;
1818                                                 }
1819                                                 if(w + x > get_w()) w -= (w + x) - get_w();
1820
1821                                                 draw_3segmenth(x,
1822                                                         y,
1823                                                         w,
1824                                                         total_x,
1825                                                         total_w,
1826                                                         mwindow->theme->get_image("plugin_bg_data"),
1827                                                         0);
1828                                                 set_color(mwindow->theme->title_color);
1829                                                 set_font(mwindow->theme->title_font);
1830                                                 plugin->calculate_title(string, 0);
1831
1832 // Truncate string to int64_test visible in background
1833                                                 int len = strlen(string), j;
1834                                                 for(j = len; j >= 0; j--)
1835                                                 {
1836                                                         if(left_margin + get_text_width(mwindow->theme->title_font, string) > w)
1837                                                         {
1838                                                                 string[j] = 0;
1839                                                         }
1840                                                         else
1841                                                                 break;
1842                                                 }
1843
1844 // Justify the text on the left boundary of the edit if it is visible.
1845 // Otherwise justify it on the left side of the screen.
1846                                                 int64_t text_x = total_x + left_margin;
1847                                                 int64_t text_w = get_text_width(mwindow->theme->title_font, string, strlen(string));
1848                                                 text_x = MAX(left_margin, text_x);
1849                                                 draw_text(text_x,
1850                                                         y + get_text_ascent(mwindow->theme->title_font) + 2,
1851                                                         string,
1852                                                         strlen(string),
1853                                                         0);
1854                                                 int64_t min_x = total_x + text_w;
1855
1856
1857 // Update plugin toggles
1858                                                 int toggle_x = total_x + total_w;
1859                                                 int toggle_y = y;
1860                                                 toggle_x = MIN(get_w() - right_margin, toggle_x);
1861
1862 // On toggle
1863                                                 toggle_x -= PluginOn::calculate_w(mwindow) + xS(10);
1864                                                 if(toggle_x > min_x)
1865                                                 {
1866                                                         if(current_on >= plugin_on_toggles.total)
1867                                                         {
1868                                                                 PluginOn *plugin_on = new PluginOn(mwindow, toggle_x, toggle_y, plugin);
1869                                                                 add_subwindow(plugin_on);
1870                                                                 plugin_on_toggles.append(plugin_on);
1871                                                         }
1872                                                         else
1873                                                         {
1874                                                                 plugin_on_toggles.values[current_on]->update(toggle_x, toggle_y, plugin);
1875                                                         }
1876                                                         current_on++;
1877                                                 }
1878
1879 // Toggles for standalone plugins only
1880                                                 if(plugin->plugin_type == PLUGIN_STANDALONE)
1881                                                 {
1882 // Show
1883                                                         toggle_x -= PluginShow::calculate_w(mwindow) + xS(10);
1884                                                         if(toggle_x > min_x)
1885                                                         {
1886                                                                 if(current_show >= plugin_show_toggles.total)
1887                                                                 {
1888                                                                         PluginShow *plugin_show = new PluginShow(mwindow, toggle_x, toggle_y, plugin);
1889                                                                         add_subwindow(plugin_show);
1890                                                                         plugin_show_toggles.append(plugin_show);
1891                                                                 }
1892                                                                 else
1893                                                                 {
1894                                                                         plugin_show_toggles.values[current_show]->update(toggle_x, toggle_y, plugin);
1895                                                                 }
1896                                                                 current_show++;
1897                                                         }
1898                                                         toggle_x -= PluginPresetEdit::calculate_w(mwindow) + xS(10);
1899                                                         if(toggle_x > min_x)
1900                                                         {
1901                                                                 if(current_preset >= preset_edit_buttons.total)
1902                                                                 {
1903                                                                         PluginPresetEdit *preset_edit = new PluginPresetEdit(mwindow, toggle_x, toggle_y, plugin);
1904                                                                         add_subwindow(preset_edit);
1905                                                                         preset_edit_buttons.append(preset_edit);
1906                                                                 }
1907                                                                 else
1908                                                                 {
1909                                                                         preset_edit_buttons.values[current_preset]->update(toggle_x, toggle_y, plugin);
1910                                                                 }
1911                                                                 current_preset++;
1912                                                         }
1913                                                 }
1914                                         }
1915                                 }
1916                         }
1917                 }
1918         }
1919
1920 // Remove unused toggles
1921
1922         while(current_preset < preset_edit_buttons.total)
1923         {
1924                 preset_edit_buttons.remove_object_number(current_preset);
1925         }
1926         while(current_show < plugin_show_toggles.total)
1927         {
1928                 plugin_show_toggles.remove_object_number(current_show);
1929         }
1930
1931         while(current_on < plugin_on_toggles.total)
1932         {
1933                 plugin_on_toggles.remove_object_number(current_on);
1934         }
1935 }
1936
1937 void TrackCanvas::refresh_plugintoggles()
1938 {
1939         for(int i = 0; i < plugin_on_toggles.total; i++)
1940         {
1941                 PluginOn *on = plugin_on_toggles.values[i];
1942                 on->reposition_window(on->get_x(), on->get_y());
1943         }
1944         for(int i = 0; i < plugin_show_toggles.total; i++)
1945         {
1946                 PluginShow *show = plugin_show_toggles.values[i];
1947                 show->reposition_window(show->get_x(), show->get_y());
1948         }
1949         for(int i = 0; i < preset_edit_buttons.total; i++)
1950         {
1951                 PluginPresetEdit *preset_edit = preset_edit_buttons.values[i];
1952                 preset_edit->reposition_window(preset_edit->get_x(), preset_edit->get_y());
1953         }
1954 }
1955
1956 void TrackCanvas::draw_hard_edges()
1957 {
1958         if( !mwindow->edl->session->auto_conf->hard_edges )
1959                 return;
1960         int64_t x, y, w, h;
1961
1962         for(Track *track = mwindow->edl->tracks->first; track; track = track->next) {
1963                 if( track->is_hidden() ) continue;
1964                 for(Edit *edit = track->edits->first; edit; edit = edit->next) {
1965                         if( !edit->hard_left && !edit->hard_right ) continue;
1966                         edit_dimensions(edit, x, y, w, h);
1967                         if( !MWindowGUI::visible(x, x + w, 0, get_w()) ||
1968                             !MWindowGUI::visible(y, y + h, 0, get_h()) ) continue;
1969                         set_color(GREEN);
1970                         set_opaque();
1971                         int y1 = y;
1972                         if( track->show_titles() )
1973                                 y1 += mwindow->theme->get_image("title_bg_data")->get_h();
1974                         if( track->show_assets() )
1975                                 y1 += track->data_h;
1976                         if( y1 == y )
1977                                 y1 += mwindow->theme->title_h;
1978                         if( edit->hard_left ) {
1979                                 ArrayList<int> xpt, ypt;
1980                                 xpt.append(x);              ypt.append(y1);
1981                                 xpt.append(x+HANDLE_W);     ypt.append(y1);
1982                                 xpt.append(x);              ypt.append(y1-HANDLE_H);
1983                                 fill_polygon(&xpt, &ypt);
1984                         }
1985                         if( edit->hard_right ) {
1986                                 ArrayList<int> xpt, ypt;   int x1 = x+w-1;
1987                                 xpt.append(x1);            ypt.append(y1);
1988                                 xpt.append(x1-HANDLE_W);   ypt.append(y1);
1989                                 xpt.append(x1);            ypt.append(y1-HANDLE_H);
1990                                 fill_polygon(&xpt, &ypt);
1991                         }
1992                 }
1993         }
1994 }
1995
1996 void TrackCanvas::draw_inout_points()
1997 {
1998 }
1999
2000
2001 void TrackCanvas::draw_drag_handle()
2002 {
2003         if( mwindow->session->current_operation != DRAG_EDITHANDLE2 &&
2004             mwindow->session->current_operation != DRAG_PLUGINHANDLE2 &&
2005             mwindow->session->current_operation != DRAG_TRANSNHANDLE2 ) return;
2006         int64_t pixel1 = Units::round(mwindow->session->drag_position *
2007                 mwindow->edl->session->sample_rate /
2008                 mwindow->edl->local_session->zoom_sample -
2009                 mwindow->edl->local_session->view_start[pane->number]);
2010         set_color(!snapped ? GREEN : (snapped=0, YELLOW));
2011         set_inverse();
2012         draw_line(pixel1, 0, pixel1, get_h());
2013         set_opaque();
2014
2015         if( mwindow->session->current_operation != DRAG_EDITHANDLE2 ) return;
2016         if( !mwindow->session->drag_edit ) return;
2017         int group_id = mwindow->session->drag_edit->group_id;
2018         if( !group_id ) return;
2019         int64_t dx, dy, dw, dh;
2020         edit_dimensions(mwindow->session->drag_edit, dx, dy, dw, dh);
2021         int drag_handle = mwindow->session->drag_handle;
2022         int64_t pixel0 = !drag_handle ? dx : dx + dw;
2023         int delta = pixel1 - pixel0;
2024         set_color(LTPURPLE);
2025         set_line_width(3);
2026
2027         for( Track *track=mwindow->edl->tracks->first; track; track=track->next ) {
2028                 if( track->is_hidden() ) continue;
2029                 Edit *left = 0, *right = 0;
2030                 double start = DBL_MAX, end = DBL_MIN;
2031                 for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
2032                         if( edit->group_id != group_id ) continue;
2033                         double edit_start = edit->track->from_units(edit->startproject);
2034                         if( edit_start < start ) { start = edit_start;  left = edit; }
2035                         double edit_end = edit->track->from_units(edit->startproject+edit->length);
2036                         if( edit_end > end ) { end = edit_end;  right = edit; }
2037                 }
2038                 Edit *edit = !drag_handle ? left : right;
2039                 if( !edit ) continue;
2040                 Indexable *idxbl = edit->asset;
2041                 if( !idxbl ) idxbl = edit->nested_edl;
2042                 int can_drag = idxbl ? 1 : 0;
2043                 if( drag_handle ) {
2044                         int64_t source_len = !idxbl ? -1 :
2045                                 edit->track->data_type == TRACK_AUDIO ?
2046                                         idxbl->get_audio_samples() :
2047                                 edit->track->data_type == TRACK_VIDEO ?
2048                                         idxbl->get_video_frames() : -1;
2049                         int64_t speed_start = edit->startproject;
2050                         int64_t speed_end = speed_start + edit->length;
2051                         int64_t speed_length = track->speed_length(speed_start, speed_end);
2052                         if( edit->startsource + speed_length >= source_len )
2053                                 can_drag = 0;
2054                 }
2055                 else if( !edit->startsource )
2056                         can_drag = 0;
2057                 int64_t x, y, w, h;
2058                 edit_dimensions(edit, x, y, w, h);
2059                 if( y+h < 0 || y >= get_h() ) continue;
2060                 int edge_x = !drag_handle ? x : x + w;
2061                 int edge_y = y + h/2, xs10 = xS(10), ys10 = yS(10);
2062                 if( edge_x >= 0 && edge_x < get_w() ) {
2063                         if( !can_drag ) {
2064                                 draw_line(edge_x-xs10,edge_y-ys10, edge_x+xs10,edge_y+ys10);
2065                                 draw_line(edge_x-xs10,edge_y+ys10, edge_x+xs10,edge_y-ys10);
2066                         }
2067                         else if( !drag_handle ) {
2068                                 draw_line(edge_x+xs10,edge_y-ys10, edge_x,edge_y);
2069                                 draw_line(edge_x+xs10,edge_y+ys10, edge_x,edge_y);
2070                         }
2071                         else {
2072                                 draw_line(edge_x,edge_y, edge_x-xs10,edge_y-ys10);
2073                                 draw_line(edge_x,edge_y, edge_x-xs10,edge_y+ys10);
2074                         }
2075                 }
2076                 edge_x += delta;
2077                 if( edge_x >= 0 && edge_x < get_w() ) {
2078                         draw_line(edge_x, y, edge_x, y+h);
2079                 }
2080         }
2081         set_line_width(1);
2082 }
2083
2084
2085 void TrackCanvas::draw_transitions()
2086 {
2087         int64_t x, y, w, h;
2088         if( !mwindow->edl->session->auto_conf->transitions ) return;
2089
2090         for(Track *track = mwindow->edl->tracks->first; track; track = track->next) {
2091                 if( track->is_hidden() ) continue;
2092                 if( !track->show_transitions() ) continue;
2093
2094                 for(Edit *edit = track->edits->first; edit; edit = edit->next) {
2095                         if(!edit->transition) continue;
2096                         edit_dimensions(edit, x, y, w, h);
2097                         int strip_x = x, edit_y = y;
2098                         get_transition_coords(edit, x, y, w, h);
2099                         int strip_y = y - mwindow->theme->get_image("plugin_bg_data")->get_h();
2100                         if( track->show_assets() && track->show_titles() )
2101                                 edit_y += mwindow->theme->get_image("title_bg_data")->get_h();
2102                         if( strip_y < edit_y ) strip_y = edit_y;
2103
2104                         int strip_w = Units::round(edit->track->from_units(edit->transition->length) *
2105                                 mwindow->edl->session->sample_rate / mwindow->edl->local_session->zoom_sample);
2106                         if( MWindowGUI::visible(x, x + w, 0, get_w()) &&
2107                             MWindowGUI::visible(y, y + h, 0, get_h()) ) {
2108                                 PluginServer *server = mwindow->scan_plugindb(edit->transition->title,
2109                                                 track->data_type);
2110                                 if( !server ) continue;
2111                                 VFrame *picon = server->get_picon();
2112                                 if( !picon ) continue;
2113                                 int picon_w = picon->get_w(), picon_h = picon->get_h();
2114                                 int track_h = edit->track->vertical_span(mwindow->theme);
2115                                 if( picon_h > track_h ) picon_h = track_h;
2116                                 draw_vframe(picon, x, y, w, h, 0, 0, picon_w, picon_h);
2117                         }
2118                         if(MWindowGUI::visible(strip_x, strip_x + strip_w, 0, get_w()) &&
2119                                 MWindowGUI::visible(strip_y, strip_y + h, 0, get_h())) {
2120                                 int x = strip_x, w = strip_w;
2121                                 if( x < 0 ) {  w -= -x;  x = 0; }
2122                                 if( w + x > get_w() ) w -= (w + x) - get_w();
2123
2124                                 draw_3segmenth( x, strip_y, w, strip_x, strip_w,
2125                                         mwindow->theme->get_image("plugin_bg_data"), 0);
2126                         }
2127                 }
2128         }
2129 }
2130
2131 void TrackCanvas::draw_loop_points()
2132 {
2133 //printf("TrackCanvas::draw_loop_points 1\n");
2134         if(mwindow->edl->local_session->loop_playback)
2135         {
2136 //printf("TrackCanvas::draw_loop_points 2\n");
2137                 int64_t x = Units::round(mwindow->edl->local_session->loop_start *
2138                         mwindow->edl->session->sample_rate /
2139                         mwindow->edl->local_session->zoom_sample -
2140                         mwindow->edl->local_session->view_start[pane->number]);
2141 //printf("TrackCanvas::draw_loop_points 3\n");
2142
2143                 if(MWindowGUI::visible(x, x + 1, 0, get_w()))
2144                 {
2145                         set_color(GREEN);
2146                         draw_line(x, 0, x, get_h());
2147                 }
2148 //printf("TrackCanvas::draw_loop_points 4\n");
2149
2150                 x = Units::round(mwindow->edl->local_session->loop_end *
2151                         mwindow->edl->session->sample_rate /
2152                         mwindow->edl->local_session->zoom_sample -
2153                         mwindow->edl->local_session->view_start[pane->number]);
2154 //printf("TrackCanvas::draw_loop_points 5\n");
2155
2156                 if(MWindowGUI::visible(x, x + 1, 0, get_w()))
2157                 {
2158                         set_color(GREEN);
2159                         draw_line(x, 0, x, get_h());
2160                 }
2161 //printf("TrackCanvas::draw_loop_points 6\n");
2162         }
2163 //printf("TrackCanvas::draw_loop_points 7\n");
2164 }
2165
2166 void TrackCanvas::draw_brender_range()
2167 {
2168         if( !mwindow->preferences->use_brender || !mwindow->brender_active ) return;
2169         if( mwindow->edl->session->brender_start >= mwindow->edl->session->brender_end ) return;
2170         if( mwindow->edl->session->brender_end > 0 )
2171         {
2172                 int64_t x1 = Units::round(mwindow->edl->session->brender_start *
2173                         mwindow->edl->session->sample_rate /
2174                         mwindow->edl->local_session->zoom_sample -
2175                         mwindow->edl->local_session->view_start[pane->number]);
2176                 if(MWindowGUI::visible(x1, x1 + 1, 0, get_w()))
2177                 {
2178                         set_color(RED);
2179                         draw_line(x1, 0, x1, get_h());
2180                 }
2181                 int64_t x2 = Units::round(mwindow->edl->session->brender_end *
2182                         mwindow->edl->session->sample_rate /
2183                         mwindow->edl->local_session->zoom_sample -
2184                         mwindow->edl->local_session->view_start[pane->number]);
2185
2186                 if(MWindowGUI::visible(x2, x2 + 1, 0, get_w()))
2187                 {
2188                         set_color(RED);
2189                         draw_line(x2, 0, x2, get_h());
2190                 }
2191         }
2192 }
2193
2194 // The operations which correspond to each automation type
2195 int TrackCanvas::auto_operations[AUTOMATION_TOTAL] =
2196 {
2197         DRAG_MUTE,
2198         DRAG_CAMERA_X,
2199         DRAG_CAMERA_Y,
2200         DRAG_CAMERA_Z,
2201         DRAG_PROJECTOR_X,
2202         DRAG_PROJECTOR_Y,
2203         DRAG_PROJECTOR_Z,
2204         DRAG_FADE,
2205         DRAG_PAN,
2206         DRAG_MODE,
2207         DRAG_MASK,
2208         DRAG_SPEED
2209 };
2210
2211 // The buttonpress operations, so nothing changes unless the mouse moves
2212 // a certain amount.  This allows the keyframe to be used to position the
2213 // insertion point without moving itself.
2214 static int pre_auto_operations[AUTOMATION_TOTAL] =
2215 {
2216         DRAG_MUTE,
2217         DRAG_CAMERA_X,
2218         DRAG_CAMERA_Y,
2219         DRAG_CAMERA_Z,
2220         DRAG_PROJECTOR_X,
2221         DRAG_PROJECTOR_Y,
2222         DRAG_PROJECTOR_Z,
2223         DRAG_FADE,
2224         DRAG_PAN_PRE,
2225         DRAG_MODE_PRE,
2226         DRAG_MASK_PRE,
2227         DRAG_SPEED
2228 };
2229
2230
2231 int TrackCanvas::do_keyframes(int cursor_x,
2232         int cursor_y,
2233         int draw,
2234         int buttonpress,
2235         int &new_cursor,
2236         int &update_cursor,
2237         int &rerender)
2238 {
2239 // Note: button 3 (right mouse button) is not eaten to allow
2240 // track context menu to appear
2241         int result = 0;
2242         EDLSession *session = mwindow->edl->session;
2243         int gang = session->gang_tracks != GANG_NONE || get_double_click() ? 1 : 0;
2244
2245         static BC_Pixmap *auto_pixmaps[AUTOMATION_TOTAL] =
2246         {
2247                 0, 0, 0, 0, 0, 0, 0, 0,
2248                 pankeyframe_pixmap,
2249                 modekeyframe_pixmap,
2250                 maskkeyframe_pixmap,
2251                 0,
2252         };
2253
2254
2255
2256         for(Track *track = mwindow->edl->tracks->first;
2257                 track && !result;
2258                 track = track->next) {
2259                 if( track->is_hidden() ) continue;
2260                 Auto *auto_keyframe = 0;
2261                 Automation *automation = track->automation;
2262
2263
2264 // Handle keyframes in reverse drawing order if a button press
2265                 int start = 0;
2266                 int end = AUTOMATION_TOTAL;
2267                 int step = 1;
2268                 if(buttonpress)
2269                 {
2270                         start = AUTOMATION_TOTAL - 1;
2271                         end = -1;
2272                         step = -1;
2273                 }
2274                 for(int i = start; i != end && !result; i += step)
2275                 {
2276 // Event not trapped and automation visible
2277                         Autos *autos = automation->autos[i];
2278                         if(!result && session->auto_conf->autos[i] && autos) {
2279                                 switch(i) {
2280                                 case AUTOMATION_MODE:
2281                                 case AUTOMATION_PAN:
2282                                 case AUTOMATION_MASK:
2283                                         result = do_autos(track, automation->autos[i],
2284                                                 cursor_x, cursor_y, draw,
2285                                                 buttonpress, auto_pixmaps[i],
2286                                                 auto_keyframe, rerender);
2287                                                 break;
2288
2289                                 default: {
2290                                         switch(autos->get_type()) {
2291                                         case Autos::AUTOMATION_TYPE_FLOAT: {
2292                                                 Automation automation(0, track);
2293                                                 int grouptype = automation.autogrouptype(i, track);
2294                                                 if( buttonpress && i == AUTOMATION_SPEED ) {
2295                                                         mwindow->speed_before();
2296                                                 }
2297
2298                                                 if(draw) // Do dropshadow
2299                                                         result = do_float_autos(track, autos,
2300                                                                 cursor_x, cursor_y, draw,
2301                                                                 buttonpress, 1, 1, MDGREY,
2302                                                                 auto_keyframe, grouptype);
2303                                                 result = do_float_autos(track, autos,
2304                                                         cursor_x, cursor_y, draw, buttonpress,
2305                                                         0, 0, GWindowGUI::auto_colors[i],
2306                                                         auto_keyframe, grouptype);
2307
2308                                                 if( !result && buttonpress && i == AUTOMATION_SPEED )
2309                                                         mwindow->speed_after(-1, 0);
2310                                                 if( result && buttonpress ) {
2311                                                         int color = GWindowGUI::auto_colors[i];
2312                                                         mwindow->gui->zoombar->update_autozoom(grouptype, color);
2313                                                 }
2314                                                 break; }
2315
2316                                         case Autos::AUTOMATION_TYPE_INT: {
2317                                                 if(draw) // Do dropshadow
2318                                                         result = do_int_autos(track, autos,
2319                                                                 cursor_x, cursor_y, draw,
2320                                                                 buttonpress, 1, 1, MDGREY,
2321                                                                 auto_keyframe);
2322                                                 result = do_int_autos(track, autos,
2323                                                         cursor_x, cursor_y, draw, buttonpress,
2324                                                         0, 0, GWindowGUI::auto_colors[i],
2325                                                         auto_keyframe);
2326                                                 break; }
2327                                         }
2328                                         break; }
2329                                 }
2330
2331                                 if(result)
2332                                 {
2333                                         if(mwindow->session->current_operation == auto_operations[i])
2334                                                 rerender = 1;
2335
2336 // printf("TrackCanvas::do_keyframes %d %d %d\n",
2337 // __LINE__,
2338 // mwindow->session->current_operation,
2339 // auto_operations[i]);
2340                                         if(buttonpress)
2341                                         {
2342                                                 if (buttonpress == 2 && auto_keyframe )
2343                                                 {
2344                                                         double position = track->from_units(auto_keyframe->position);
2345                                                         mwindow->edl->local_session->set_selectionstart(position);
2346                                                         mwindow->edl->local_session->set_selectionend(position);
2347                                                 }
2348                                                 if (buttonpress != 3)
2349                                                 {
2350                                                         if(i == AUTOMATION_FADE || i == AUTOMATION_SPEED)
2351                                                                 fill_ganged_autos(gang, 0, track,
2352                                                                         (FloatAuto*)mwindow->session->drag_auto);
2353                                                         mwindow->session->current_operation = pre_auto_operations[i];
2354                                                         update_drag_caption();
2355                                                         rerender = 1;
2356                                                 }
2357                                                 else if( auto_keyframe )
2358                                                 {
2359                                                         gui->keyframe_menu->update(automation,
2360                                                                 autos,
2361                                                                 auto_keyframe);
2362                                                         gui->keyframe_menu->activate_menu();
2363                                                         rerender = 1; // the position changes
2364                                                 }
2365                                                 else if( autos )
2366                                                 {
2367                                                         gui->keyframe_hide->update(autos);
2368                                                         gui->keyframe_hide->activate_menu();
2369                                                         rerender = 1; // the position changes
2370                                                 }
2371                                                 if(buttonpress == 1 && ctrl_down() &&
2372                                                    AUTOMATION_TYPE_FLOAT == autos->get_type())
2373                                                         rerender = 1; // special case: curve mode changed
2374                                         }
2375                                 }
2376                         }
2377                 }
2378
2379                 if(!result && session->auto_conf->plugins) {
2380                         Plugin *plugin;
2381                         KeyFrame *keyframe;
2382                         result = do_plugin_autos(track, cursor_x, cursor_y,
2383                                 draw, buttonpress, plugin, keyframe);
2384                         if(result && mwindow->session->current_operation == DRAG_PLUGINKEY) {
2385                                 rerender = 1;
2386                         }
2387                         if(result && (buttonpress == 1)) {
2388                                 mwindow->session->current_operation = DRAG_PLUGINKEY_PRE;
2389                                 update_drag_caption();
2390                                 rerender = 1;
2391                         }
2392                         else if (result && (buttonpress == 3)) {
2393                                 gui->keyframe_menu->update(plugin, keyframe);
2394                                 gui->keyframe_menu->activate_menu();
2395                                 rerender = 1; // the position changes
2396                         }
2397                 }
2398         }
2399
2400 // Final pass to trap event
2401         for(int i = 0; i < AUTOMATION_TOTAL; i++) {
2402                 if(mwindow->session->current_operation == pre_auto_operations[i] ||
2403                         mwindow->session->current_operation == auto_operations[i]) {
2404                         result = 1;
2405                         break;
2406                 }
2407         }
2408
2409         if(mwindow->session->current_operation == DRAG_PLUGINKEY ||
2410                 mwindow->session->current_operation == DRAG_PLUGINKEY_PRE) {
2411                 result = 1;
2412         }
2413
2414         update_cursor = 1;
2415         if(result) {
2416                 new_cursor = UPRIGHT_ARROW_CURSOR;
2417         }
2418
2419         return result;
2420 }
2421
2422 void TrackCanvas::draw_keyframe_reticle()
2423 {
2424         int keyframe_hairline = mwindow->preferences->keyframe_reticle;
2425         if( keyframe_hairline == HAIRLINE_NEVER ) return;
2426
2427         int current_op = mwindow->session->current_operation, dragging = 0;
2428         for( int i=0; !dragging && i<AUTOMATION_TOTAL; ++i )
2429                 if( current_op == auto_operations[i] ) dragging = 1;
2430         if( dragging && !mwindow->session->drag_auto ) dragging = 0;
2431
2432         int autoidx = dragging && keyframe_hairline != HAIRLINE_ALWAYS ?
2433                 mwindow->session->drag_auto->autos->autoidx : -1;
2434
2435         if( get_buttonpress() == LEFT_BUTTON && dragging &&
2436             keyframe_hairline == HAIRLINE_DRAGGING ) {
2437                 draw_hairline(mwindow->session->drag_auto, RED, 1);
2438                 return;
2439         }
2440
2441         if( keyframe_hairline == HAIRLINE_ALWAYS || ( get_buttonpress() == MIDDLE_BUTTON &&
2442             keyframe_hairline == HAIRLINE_DRAGGING && dragging ) ) {
2443                 int show = dragging || keyframe_hairline == HAIRLINE_ALWAYS ? 1 : 0;
2444                 for( Track *track = mwindow->edl->tracks->first; track; track=track->next ) {
2445                         if( track->is_hidden() ) continue;
2446                         Automation *automation = track->automation;
2447                         for( int i=0; i<AUTOMATION_TOTAL; ++i ) {
2448                                 if( !mwindow->edl->session->auto_conf->autos[i] ) continue;
2449                                 // automation visible
2450                                 Autos *autos = automation->autos[i];
2451                                 if( !autos ) continue;
2452                                 if( autoidx >= 0 && autos->autoidx != autoidx ) continue;
2453                                 for( Auto *auto_keyframe=autos->first; auto_keyframe;
2454                                      auto_keyframe = auto_keyframe->next ) {
2455                                         draw_hairline(auto_keyframe, BLUE, show);
2456                                 }
2457                         }
2458                 }
2459
2460                 if( dragging )
2461                         draw_hairline(mwindow->session->drag_auto, RED, 1);
2462         }
2463 }
2464
2465 void TrackCanvas::draw_auto(Auto *current, int x, int y,
2466                 int center_pixel, int data_h)
2467 {
2468         int x1, y1, x2, y2;
2469
2470         x1 = x - HANDLE_W / 2;
2471         x2 = x + HANDLE_W / 2;
2472         y1 = center_pixel + y - HANDLE_W / 2;
2473         y2 = center_pixel + y + HANDLE_W / 2;
2474
2475         if( y1 < center_pixel - data_h/2 ) y1 = center_pixel - data_h/2;
2476         if( y2 > center_pixel + data_h/2 ) y2 = center_pixel + data_h/2;
2477
2478         draw_box(x1, y1, x2 - x1, y2 - y1);
2479 }
2480
2481
2482 // This draws lines for bezier in & out controls
2483 void TrackCanvas::draw_cropped_line(int x1,
2484         int y1,
2485         int x2,
2486         int y2,
2487         int min_y,
2488         int max_y)
2489 {
2490
2491
2492 // Don't care about x since it is clipped by the window.
2493 // Put y coords in ascending order
2494         if(y2 < y1) {
2495                 y2 ^= y1; y1 ^= y2; y2 ^= y1;
2496                 x2 ^= x1; x1 ^= x2; x2 ^= x1;
2497         }
2498
2499
2500
2501         double slope = (double)(x2 - x1) / (y2 - y1);
2502 //printf("TrackCanvas::draw_cropped_line %d %d %d %d %d\n", __LINE__, x1, y1, x2, y2);
2503         if(y1 < min_y) {
2504                 x1 = (int)(x1 + (min_y - y1) * slope);
2505                 y1 = min_y;
2506         }
2507         else if(y1 >= max_y) {
2508                 x1 = (int)(x1 + (max_y - 1 - y1) * slope);
2509                 y1 = max_y - 1;
2510         }
2511
2512         if(y2 >= max_y) {
2513                 x2 = (int)(x2 + (max_y - 1 - y2) * slope);
2514                 y2 = max_y - 1;
2515         }
2516         else if(y2 < min_y) {
2517                 x2 = (int)(x2 + (min_y - y2) * slope);
2518                 y1 = min_y;
2519         }
2520
2521
2522 //printf("TrackCanvas::draw_cropped_line %d %d %d %d %d\n", __LINE__, x1, y1, x2, y2);
2523         if( y1 >= min_y && y1 < max_y &&
2524             y2 >= min_y && y2 < max_y )
2525                 draw_line(x1, y1, x2, y2);
2526 }
2527
2528
2529 void TrackCanvas::draw_floatauto(FloatAuto *current,
2530                 int x_offset, int center_pixel, int data_h, int color,
2531                 double unit_start, double zoom_units, double yscale,
2532                 int autogrouptype)
2533 {
2534         double xx, yy;
2535         calculate_auto_position(1, &xx, &yy, 0, 0, 0, 0,
2536                 current, unit_start, zoom_units, yscale, autogrouptype);
2537         int x = (int)xx + x_offset;
2538         int x1 = x - HANDLE_W / 2; // Center
2539         int x2 = x + HANDLE_W / 2;
2540         int y = (int)yy + center_pixel;
2541         int y1 = y - HANDLE_H / 2;
2542         int y2 = y + HANDLE_H / 2;
2543         int ymin = center_pixel - data_h / 2;
2544         int ymax = center_pixel + data_h / 2;
2545         CLAMP(y1, ymin, ymax);
2546         CLAMP(y2, ymin, ymax);
2547
2548         if( y2-1 > y1 ) {
2549                 if( current->curve_mode == FloatAuto::LINEAR ) {
2550                         draw_box(x1, y1, x2 - x1, y2 - y1);
2551                 }
2552                 else {
2553                         ArrayList<int> polygon_x;
2554                         ArrayList<int> polygon_y;
2555                         polygon_x.append((x1 + x2) / 2 + 1);
2556                         polygon_y.append(y1 + 1);
2557                         polygon_x.append(x2 + 1);
2558                         polygon_y.append((y1 + y2) / 2 + 1);
2559                         polygon_x.append((x1 + x2) / 2 + 1);
2560                         polygon_y.append(y2 + 1);
2561                         polygon_x.append(x1 + 1);
2562                         polygon_y.append((y1 + y2) / 2 + 1);
2563                         fill_polygon(&polygon_x, &polygon_y);
2564                 }
2565         }
2566
2567 // show bezier control points (only) if this
2568 // floatauto doesn't adjust it's tangents automatically
2569         if(current->curve_mode != FloatAuto::FREE &&
2570            current->curve_mode != FloatAuto::TFREE &&
2571            current->curve_mode != FloatAuto::BUMP)
2572                 return;
2573         double in_xx, in_yy, out_xx, out_yy;
2574         calculate_auto_position(1, &xx, &yy, &in_xx, &in_yy, 0, 0,
2575                 current, unit_start, zoom_units, yscale, autogrouptype);
2576         int ix = xx, iy = yy, in_x = in_xx, in_y = in_yy;
2577         if( in_x != ix )
2578                 draw_floatauto_ctrlpoint(ix, iy, in_x, in_y, center_pixel, data_h, color);
2579         calculate_auto_position(0, &xx, &yy, 0, 0, &out_xx, &out_yy,
2580                 current, unit_start, zoom_units, yscale, autogrouptype);
2581         int ox = xx, oy = yy, out_x = out_xx, out_y = out_yy;
2582         if( out_x != ox )
2583                 draw_floatauto_ctrlpoint(ox, oy, out_x, out_y, center_pixel, data_h, color);
2584         if( current->curve_mode == FloatAuto::BUMP && iy != oy )
2585                 draw_bline(ix, iy+center_pixel, ox, oy+center_pixel);
2586 }
2587
2588 inline int quantize(float f) { return (int)floor(f + 0.5); }
2589
2590 inline void TrackCanvas::draw_floatauto_ctrlpoint(
2591                 int x, int y, int cp_x, int cp_y, int center_pixel,
2592                 int data_h, int color)
2593 // draw the tangent and a handle for given b├ęzier ctrl point
2594 {
2595         bool handle_visible = (abs(cp_y) <= data_h/2);
2596
2597         float slope = (float)(cp_y - y)/(cp_x - x);
2598         CLAMP(cp_y, -data_h/2, data_h/2);
2599         if(slope != 0)
2600                 cp_x = x + quantize((cp_y - y) / slope);
2601
2602         y    += center_pixel;
2603         cp_y += center_pixel;
2604
2605         // drawing the tangent as a dashed line...
2606         int const dash = HANDLE_W;
2607         int const gap  = HANDLE_W / 2;
2608         float sx = 3 * (cp_x - x) / 4.;
2609         float ex = 0;
2610