add haupauge-1657 dual usb capture support, add deinterlace to recordmonitor, asset...
[goodguy/cinelerra.git] / cinelerra-5.1 / cinelerra / vwindowgui.C
1
2 /*
3  * CINELERRA
4  * Copyright (C) 1997-2011 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 "arender.h"
23 #include "asset.h"
24 #include "assets.h"
25 #include "awindowgui.h"
26 #include "awindow.h"
27 #include "cache.h"
28 #include "canvas.h"
29 #include "clip.h"
30 #include "clipedit.h"
31 #include "edl.h"
32 #include "edlsession.h"
33 #include "filesystem.h"
34 #include "file.h"
35 #include "filexml.h"
36 #include "fonts.h"
37 #include "keys.h"
38 #include "labels.h"
39 #include "language.h"
40 #include "localsession.h"
41 #include "mainclock.h"
42 #include "mainmenu.h"
43 #include "mainsession.h"
44 #include "mainundo.h"
45 #include "meterpanel.h"
46 #include "mwindowgui.h"
47 #include "mwindow.h"
48 #include "playtransport.h"
49 #include "preferences.h"
50 #include "renderengine.h"
51 #include "samples.h"
52 #include "theme.h"
53 #include "timebar.h"
54 #include "tracks.h"
55 #include "transportque.h"
56 #include "vframe.h"
57 #include "vplayback.h"
58 #include "vtimebar.h"
59 #include "vwindowgui.h"
60 #include "vwindow.h"
61
62
63
64
65 VWindowGUI::VWindowGUI(MWindow *mwindow, VWindow *vwindow)
66  : BC_Window(_(PROGRAM_NAME ": Viewer"),
67         mwindow->session->vwindow_x,
68         mwindow->session->vwindow_y,
69         mwindow->session->vwindow_w,
70         mwindow->session->vwindow_h,
71         xS(100), yS(100), 1, 1, 0) // Hide it
72 {
73         this->mwindow = mwindow;
74         this->vwindow = vwindow;
75         canvas = 0;
76         transport = 0;
77         edit_panel = 0;
78         meters = 0;
79 //      source = 0;
80         strcpy(loaded_title, "");
81         highlighted = 0;
82 }
83
84 VWindowGUI::~VWindowGUI()
85 {
86         vwindow->stop_playback(1);
87         sources.remove_all_objects();
88         labels.remove_all_objects();
89         delete canvas;
90         delete transport;
91         delete edit_panel;
92         delete meters;
93 //      delete source;
94 }
95
96 void VWindowGUI::draw_wave()
97 {
98         TransportCommand command;
99         command.command = NORMAL_FWD;
100         command.get_edl()->copy_all(vwindow->get_edl());
101         command.change_type = CHANGE_ALL;
102         command.realtime = 0;
103         RenderEngine *render_engine = new RenderEngine(0, mwindow->preferences, 0, 0);
104         CICache *cache = new CICache(mwindow->preferences);
105         render_engine->set_acache(cache);
106         render_engine->arm_command(&command);
107
108         double duration = 1.;
109         int w = mwindow->edl->session->output_w;
110         int h = mwindow->edl->session->output_h;
111         VFrame *vframe = new VFrame(w, h, BC_RGB888);
112         vframe->clear_frame();
113         int sample_rate = mwindow->edl->get_sample_rate();
114         int channels = mwindow->edl->session->audio_channels;
115         if( channels > 2 ) channels = 2;
116         int64_t bfrsz = sample_rate * duration;
117         Samples *samples[MAXCHANNELS];
118         int ch = 0;
119         while( ch < channels ) samples[ch++] = new Samples(bfrsz);
120         while( ch < MAXCHANNELS ) samples[ch++] = 0;
121         render_engine->arender->process_buffer(samples, bfrsz, 0);
122
123         static int line_colors[2] = { GREEN, YELLOW };
124         static int base_colors[2] = { RED, PINK };
125         for( int i=channels; --i>=0; ) {
126                 AssetPicon::draw_wave(vframe, samples[i]->get_data(), bfrsz,
127                         base_colors[i], line_colors[i]);
128         }
129
130         for( int i=channels; --i>=0; ) delete samples[i];
131         delete render_engine;
132         delete cache;
133         delete canvas->refresh_frame;
134         canvas->refresh_frame = vframe;
135         canvas->refresh(1);
136 }
137
138 void VWindowGUI::change_source(EDL *edl, const char *title)
139 {
140 //printf("VWindowGUI::change_source %d\n", __LINE__);
141
142         update_sources(title);
143         strcpy(loaded_title, title);
144         char string[BCTEXTLEN];
145         if(title[0])
146                 sprintf(string, _(PROGRAM_NAME ": %s"), title);
147         else
148                 sprintf(string, _(PROGRAM_NAME ": Viewer"));
149
150         lock_window("VWindowGUI::change_source");
151         canvas->clear();
152         if( edl &&
153             !edl->tracks->playable_video_tracks() &&
154             edl->tracks->playable_audio_tracks() )
155                 draw_wave();
156         timebar->update(0);
157         set_title(string);
158         unlock_window();
159 }
160
161
162 // Get source list from master EDL
163 void VWindowGUI::update_sources(const char *title)
164 {
165         lock_window("VWindowGUI::update_sources");
166         sources.remove_all_objects();
167
168         for( int i=0; i<mwindow->edl->clips.size(); ++i ) {
169                 char *clip_title = mwindow->edl->clips.values[i]->local_session->clip_title;
170                 int exists = 0;
171
172                 for( int j=0; !exists && j<sources.size(); ++j ) {
173                         if( !strcasecmp(sources.values[j]->get_text(), clip_title) )
174                                 exists = 1;
175                 }
176
177                 if( !exists )
178                         sources.append(new BC_ListBoxItem(clip_title));
179         }
180
181         FileSystem fs;
182         for( Asset *current=mwindow->edl->assets->first; current; current=NEXT ) {
183                 char clip_title[BCTEXTLEN];
184                 fs.extract_name(clip_title, current->path);
185                 int exists = 0;
186
187                 for( int j=0; !exists && j<sources.size(); ++j ) {
188                         if( !strcasecmp(sources.values[j]->get_text(), clip_title) )
189                                 exists = 1;
190                 }
191
192                 if( !exists )
193                         sources.append(new BC_ListBoxItem(clip_title));
194         }
195
196         unlock_window();
197 }
198
199 void VWindowGUI::create_objects()
200 {
201         lock_window("VWindowGUI::create_objects");
202         in_point = 0;
203         out_point = 0;
204         set_icon(mwindow->theme->get_image("vwindow_icon"));
205
206 //printf("VWindowGUI::create_objects 1\n");
207         mwindow->theme->get_vwindow_sizes(this);
208         mwindow->theme->draw_vwindow_bg(this);
209         flash(0);
210
211         meters = new VWindowMeters(mwindow,
212                 this,
213                 mwindow->theme->vmeter_x,
214                 mwindow->theme->vmeter_y,
215                 mwindow->theme->vmeter_h);
216         meters->create_objects();
217
218 //printf("VWindowGUI::create_objects 1\n");
219 // Requires meters to build
220         edit_panel = new VWindowEditing(mwindow, vwindow);
221         edit_panel->set_meters(meters);
222         edit_panel->create_objects();
223
224 //printf("VWindowGUI::create_objects 1\n");
225         transport = new VWindowTransport(mwindow,
226                 this,
227                 mwindow->theme->vtransport_x,
228                 mwindow->theme->vtransport_y);
229         transport->create_objects();
230
231 //printf("VWindowGUI::create_objects 1\n");
232 //      add_subwindow(fps_title = new BC_Title(mwindow->theme->vedit_x, y, ""));
233     add_subwindow(clock = new MainClock(mwindow,
234                 mwindow->theme->vtime_x,
235                 mwindow->theme->vtime_y,
236                 mwindow->theme->vtime_w));
237
238         canvas = new VWindowCanvas(mwindow, this);
239         canvas->create_objects(mwindow->edl);
240         canvas->use_vwindow();
241         char vsplash_path[BCTEXTLEN];
242         int vsplash_len = sizeof(vsplash_path)-1;
243         snprintf(vsplash_path, vsplash_len, "%s/vsplash.png", File::get_cindat_path());
244         VFrame *vsplash = VFramePng::vframe_png(vsplash_path);
245         if( vsplash ) {
246                 BC_WindowBase *vcanvas = canvas->get_canvas();
247                 vcanvas->draw_vframe(vsplash,
248                         0,0, vcanvas->get_w(), vcanvas->get_h(),
249                         0,0, vsplash->get_w(), vsplash->get_h(), 0);
250                 vcanvas->flash(1);
251                 delete vsplash;
252         }
253 //printf("VWindowGUI::create_objects 1\n");
254         add_subwindow(timebar = new VTimeBar(mwindow,
255                 this,
256                 mwindow->theme->vtimebar_x,
257                 mwindow->theme->vtimebar_y,
258                 mwindow->theme->vtimebar_w,
259                 mwindow->theme->vtimebar_h));
260         timebar->create_objects();
261 //printf("VWindowGUI::create_objects 2\n");
262
263
264 //printf("VWindowGUI::create_objects 1\n");
265 //      source = new VWindowSource(mwindow,
266 //              this,
267 //              mwindow->theme->vsource_x,
268 //              mwindow->theme->vsource_y);
269 //      source->create_objects();
270         update_sources(_("None"));
271
272 //printf("VWindowGUI::create_objects 2\n");
273         deactivate();
274
275         show_window();
276         unlock_window();
277 }
278
279 int VWindowGUI::resize_event(int w, int h)
280 {
281         mwindow->session->vwindow_x = get_x();
282         mwindow->session->vwindow_y = get_y();
283         mwindow->session->vwindow_w = w;
284         mwindow->session->vwindow_h = h;
285
286         mwindow->theme->get_vwindow_sizes(this);
287         mwindow->theme->draw_vwindow_bg(this);
288         flash(0);
289
290 //printf("VWindowGUI::resize_event %d %d\n", __LINE__, mwindow->theme->vedit_y);
291         edit_panel->reposition_buttons(mwindow->theme->vedit_x,
292                 mwindow->theme->vedit_y);
293
294         timebar->resize_event();
295         transport->reposition_buttons(mwindow->theme->vtransport_x,
296                 mwindow->theme->vtransport_y);
297         clock->reposition_window(mwindow->theme->vtime_x,
298                 mwindow->theme->vtime_y,
299                 mwindow->theme->vtime_w,
300                 clock->get_h());
301         canvas->reposition_window(0,
302                 mwindow->theme->vcanvas_x,
303                 mwindow->theme->vcanvas_y,
304                 mwindow->theme->vcanvas_w,
305                 mwindow->theme->vcanvas_h);
306 //printf("VWindowGUI::resize_event %d %d\n", __LINE__, mwindow->theme->vcanvas_x);
307 //      source->reposition_window(mwindow->theme->vsource_x,
308 //              mwindow->theme->vsource_y);
309         meters->reposition_window(mwindow->theme->vmeter_x,
310                 mwindow->theme->vmeter_y,
311                 -1,
312                 mwindow->theme->vmeter_h);
313
314         BC_WindowBase::resize_event(w, h);
315         return 1;
316 }
317
318
319
320
321
322 int VWindowGUI::translation_event()
323 {
324         mwindow->session->vwindow_x = get_x();
325         mwindow->session->vwindow_y = get_y();
326         return 0;
327 }
328
329 int VWindowGUI::close_event()
330 {
331         hide_window();
332         int i = mwindow->vwindows.size();
333         while( --i >= 0 && mwindow->vwindows.get(i)->gui != this );
334         if( i > 0 ) {
335                 set_done(0);
336                 return 1;
337         }
338
339         mwindow->session->show_vwindow = 0;
340         unlock_window();
341
342         mwindow->gui->lock_window("VWindowGUI::close_event");
343         mwindow->gui->mainmenu->show_vwindow->set_checked(0);
344         mwindow->gui->unlock_window();
345
346         lock_window("VWindowGUI::close_event");
347         mwindow->save_defaults();
348         return 1;
349 }
350
351 int VWindowGUI::keypress_event()
352 {
353         int result = 0;
354         switch( get_keypress() ) {
355         case 'w':
356         case 'W':
357                 close_event();
358                 result = 1;
359                 break;
360         case 'z':
361                 mwindow->undo_entry(this);
362                 break;
363         case 'Z':
364                 mwindow->redo_entry(this);
365                 break;
366         case 'f': {
367                 int on = canvas->get_fullscreen() ? 0 : 1;
368                 canvas->set_fullscreen(on, 1);
369                 break; }
370         case ESC:
371                 canvas->set_fullscreen(0, 1);
372                 break;
373         case KEY_F1:
374         case KEY_F2:
375         case KEY_F3:
376         case KEY_F4:
377                 if( ctrl_down() && shift_down() ) {
378                         resend_event(mwindow->gui);
379                         result = 1;
380                         break;
381                 }
382         }
383         if( !result )
384                 result = transport->keypress_event();
385         return result;
386 }
387
388 int VWindowGUI::button_press_event()
389 {
390         if( vwindow->get_edl() != 0 && canvas->get_canvas() &&
391             mwindow->edl->session->vwindow_click2play &&
392             canvas->get_canvas()->get_cursor_over_window() ) {
393                 switch( get_buttonpress() ) {
394                 case LEFT_BUTTON:
395                         if( !vwindow->playback_engine->is_playing_back ) {
396                                 double length = vwindow->get_edl()->tracks->total_playable_length();
397                                 double position = vwindow->playback_engine->get_tracking_position();
398                                 if( position >= length ) transport->goto_start();
399                         }
400                         return transport->forward_play->handle_event();
401                 case MIDDLE_BUTTON:
402                         if( !vwindow->playback_engine->is_playing_back ) {
403                                 double position = vwindow->playback_engine->get_tracking_position();
404                                 if( position <= 0 ) transport->goto_end();
405                         }
406                         return transport->reverse_play->handle_event();
407                 case RIGHT_BUTTON:  // activates popup
408                         break;
409                 case WHEEL_UP:
410                         return transport->frame_forward_play->handle_event();
411                 case WHEEL_DOWN:
412                         return transport->frame_reverse_play->handle_event();
413                 }
414         }
415         if(canvas->get_canvas())
416                 return canvas->button_press_event_base(canvas->get_canvas());
417         return 0;
418 }
419
420 int VWindowGUI::cursor_leave_event()
421 {
422         if(canvas->get_canvas())
423                 return canvas->cursor_leave_event_base(canvas->get_canvas());
424         return 0;
425 }
426
427 int VWindowGUI::cursor_enter_event()
428 {
429         if(canvas->get_canvas())
430                 return canvas->cursor_enter_event_base(canvas->get_canvas());
431         return 0;
432 }
433
434 int VWindowGUI::button_release_event()
435 {
436         if(canvas->get_canvas())
437                 return canvas->button_release_event();
438         return 0;
439 }
440
441 int VWindowGUI::cursor_motion_event()
442 {
443         if(canvas->get_canvas())
444         {
445                 canvas->get_canvas()->unhide_cursor();
446                 return canvas->cursor_motion_event();
447         }
448         return 0;
449 }
450
451
452 void VWindowGUI::drag_motion()
453 {
454 // Window hidden
455         if(get_hidden()) return;
456         if(mwindow->session->current_operation != DRAG_ASSET) return;
457         int need_highlight = cursor_above() && get_cursor_over_window() ? 1 : 0;
458         if( highlighted == need_highlight ) return;
459         highlighted = need_highlight;
460         canvas->refresh(1);
461 }
462
463 int VWindowGUI::drag_stop()
464 {
465         if( get_hidden() ) return 0;
466
467         if( highlighted &&
468             mwindow->session->current_operation == DRAG_ASSET ) {
469                 highlighted = 0;
470                 canvas->refresh(1);
471                 unlock_window();
472
473                 Indexable *indexable =
474                         mwindow->session->drag_assets->size() > 0 ?
475                                 (Indexable *)mwindow->session->drag_assets->get(0) :
476                         mwindow->session->drag_clips->size() > 0 ?
477                                 (Indexable *)mwindow->session->drag_clips->get(0) : 0;
478                 if( indexable )
479                         vwindow->change_source(indexable);
480
481                 lock_window("VWindowGUI::drag_stop");
482                 return 1;
483         }
484
485         return 0;
486 }
487
488 void VWindowGUI::stop_transport()
489 {
490         if( !transport->is_stopped() ) {
491                 unlock_window();
492                 transport->handle_transport(STOP, 1);
493                 lock_window("VWindowGUI::panel_stop_transport");
494         }
495 }
496
497 void VWindowGUI::update_meters()
498 {
499         if(mwindow->edl->session->vwindow_meter != meters->visible)
500         {
501                 meters->set_meters(meters->meter_count,
502                         mwindow->edl->session->vwindow_meter);
503                 mwindow->theme->get_vwindow_sizes(this);
504                 resize_event(get_w(), get_h());
505         }
506 }
507
508
509
510 VWindowMeters::VWindowMeters(MWindow *mwindow,
511         VWindowGUI *gui,
512         int x,
513         int y,
514         int h)
515  : MeterPanel(mwindow,
516                 gui,
517                 x,
518                 y,
519                 -1,
520                 h,
521                 mwindow->edl->session->audio_channels,
522                 mwindow->edl->session->vwindow_meter,
523                 0,
524                 0)
525 {
526         this->mwindow = mwindow;
527         this->gui = gui;
528 }
529
530 VWindowMeters::~VWindowMeters()
531 {
532 }
533
534 int VWindowMeters::change_status_event(int new_status)
535 {
536         mwindow->edl->session->vwindow_meter = new_status;
537         gui->update_meters();
538         return 1;
539 }
540
541
542 VWindowEditing::VWindowEditing(MWindow *mwindow, VWindow *vwindow)
543  : EditPanel(mwindow, vwindow->gui, VWINDOW_ID,
544                 mwindow->theme->vedit_x, mwindow->theme->vedit_y,
545                 EDITING_ARROW,
546                 0, // use_editing_mode
547                 0, // use_keyframe
548                 1, // use_splice
549                 1, // use_overwrite
550                 1, // use_copy
551                 0, // use_paste
552                 0, // use_undo
553                 0, // use_fit
554                 0, // locklabels
555                 1, // use_labels
556                 1, // use_toclip
557                 1, // use_meters
558                 0, // use_cut
559                 0, // use_commerical
560                 0, // use_goto
561                 1) // use_clk2play
562 {
563         this->mwindow = mwindow;
564         this->vwindow = vwindow;
565 }
566
567 VWindowEditing::~VWindowEditing()
568 {
569 }
570
571 #define relock_vm(s) \
572  vwindow->gui->unlock_window(); \
573  mwindow->gui->lock_window("VWindowEditing::" s)
574 #define relock_mv(s) \
575  mwindow->gui->unlock_window(); \
576  vwindow->gui->lock_window("VWindowEditing::" s)
577
578 double VWindowEditing::get_position()
579 {
580         EDL *edl = vwindow->get_edl();
581         double position = !edl ? 0 : edl->local_session->get_selectionstart(1);
582         return position;
583 }
584
585 void VWindowEditing::set_position(double position)
586 {
587         EDL *edl = vwindow->get_edl();
588         if( !edl ) return;
589         if( get_position() != position ) {
590                 if( position < 0 ) position = 0;
591                 edl->local_session->set_selectionstart(position);
592                 edl->local_session->set_selectionend(position);
593                 vwindow->update_position();
594         }
595 }
596
597 void VWindowEditing::set_click_to_play(int v)
598 {
599         click2play->update(v);
600         relock_vm("set_click_to_play");
601         mwindow->edl->session->vwindow_click2play = v;
602         mwindow->update_vwindow();
603         relock_mv("set_click_to_play");
604 }
605
606 void VWindowEditing::panel_stop_transport()
607 {
608         vwindow->gui->stop_transport();
609 }
610
611 void VWindowEditing::panel_toggle_label()
612 {
613         if( !vwindow->get_edl() ) return;
614         EDL *edl = vwindow->get_edl();
615         edl->labels->toggle_label(edl->local_session->get_selectionstart(1),
616                 edl->local_session->get_selectionend(1));
617         vwindow->gui->timebar->update(1);
618 }
619
620 void VWindowEditing::panel_next_label(int cut)
621 {
622         if( !vwindow->get_edl() ) return;
623         vwindow->interrupt_playback(1);
624
625         EDL *edl = vwindow->get_edl();
626         Label *current = edl->labels->next_label(
627                 edl->local_session->get_selectionstart(1));
628         double position = current ? current->position :
629                 edl->tracks->total_length();
630         edl->local_session->set_selectionstart(position);
631         edl->local_session->set_selectionend(position);
632         vwindow->update_position();
633         vwindow->gui->timebar->update(1);
634 }
635
636 void VWindowEditing::panel_prev_label(int cut)
637 {
638         if( !vwindow->get_edl() ) return;
639         vwindow->interrupt_playback(1);
640
641         EDL *edl = vwindow->get_edl();
642         Label *current = edl->labels->prev_label(
643                 edl->local_session->get_selectionstart(1));
644         double position = !current ? 0 : current->position;
645         edl->local_session->set_selectionstart(position);
646         edl->local_session->set_selectionend(position);
647         vwindow->update_position();
648         vwindow->gui->timebar->update(1);
649 }
650
651 void VWindowEditing::panel_prev_edit(int cut) {} // not used
652 void VWindowEditing::panel_next_edit(int cut) {} // not used
653
654 void VWindowEditing::panel_copy_selection()
655 {
656         vwindow->copy(vwindow->gui->shift_down());
657 }
658
659 void VWindowEditing::panel_overwrite_selection()
660 {
661         if( !vwindow->get_edl() ) return;
662         relock_vm("overwrite_selection");
663         mwindow->overwrite(vwindow->get_edl(), vwindow->gui->shift_down());
664         relock_mv("overwrite_selection");
665 }
666
667 void VWindowEditing::panel_splice_selection()
668 {
669         if( !vwindow->get_edl() ) return;
670         relock_vm("splice_selection");
671         mwindow->splice(vwindow->get_edl(), vwindow->gui->shift_down());
672         relock_mv("splice_selection");
673 }
674
675 void VWindowEditing::panel_set_inpoint()
676 {
677         vwindow->set_inpoint();
678 }
679
680 void VWindowEditing::panel_set_outpoint()
681 {
682         vwindow->set_outpoint();
683 }
684
685 void VWindowEditing::panel_unset_inoutpoint()
686 {
687         vwindow->unset_inoutpoint();
688 }
689
690 void VWindowEditing::panel_to_clip()
691 {
692         EDL *edl = vwindow->get_edl();
693         if( !edl ) return;
694         mwindow->to_clip(edl, _("viewer window: "), subwindow->shift_down());
695 }
696
697 // not used
698 void VWindowEditing::panel_cut() {}
699 void VWindowEditing::panel_paste() {}
700 void VWindowEditing::panel_fit_selection() {}
701 void VWindowEditing::panel_fit_autos(int all) {}
702 void VWindowEditing::panel_set_editing_mode(int mode) {}
703 void VWindowEditing::panel_set_auto_keyframes(int v) {}
704 void VWindowEditing::panel_set_span_keyframes(int v) {}
705 void VWindowEditing::panel_set_labels_follow_edits(int v) {}
706
707
708 VWindowSource::VWindowSource(MWindow *mwindow, VWindowGUI *vwindow, int x, int y)
709  : BC_PopupTextBox(vwindow, &vwindow->sources, "",
710         x, y, xS(200), yS(200))
711 {
712         this->mwindow = mwindow;
713         this->vwindow = vwindow;
714 }
715
716 VWindowSource::~VWindowSource()
717 {
718 }
719
720 int VWindowSource::handle_event()
721 {
722         return 1;
723 }
724
725
726 VWindowTransport::VWindowTransport(MWindow *mwindow,
727         VWindowGUI *gui,
728         int x,
729         int y)
730  : PlayTransport(mwindow,
731         gui,
732         x,
733         y)
734 {
735         this->gui = gui;
736 }
737
738 EDL* VWindowTransport::get_edl()
739 {
740         return gui->vwindow->get_edl();
741 }
742
743
744 void VWindowTransport::goto_start()
745 {
746         gui->unlock_window();
747         handle_transport(REWIND, 1);
748         gui->lock_window("VWindowTransport::goto_start");
749         gui->vwindow->goto_start();
750 }
751
752 void VWindowTransport::goto_end()
753 {
754         gui->unlock_window();
755         handle_transport(GOTO_END, 1);
756         gui->lock_window("VWindowTransport::goto_end");
757         gui->vwindow->goto_end();
758 }
759
760
761
762
763 VWindowCanvas::VWindowCanvas(MWindow *mwindow, VWindowGUI *gui)
764  : Canvas(mwindow,
765         gui,
766         mwindow->theme->vcanvas_x,
767         mwindow->theme->vcanvas_y,
768         mwindow->theme->vcanvas_w,
769         mwindow->theme->vcanvas_h,
770         0, 0, 0)
771 {
772 //printf("VWindowCanvas::VWindowCanvas %d %d\n", __LINE__, mwindow->theme->vcanvas_x);
773         this->mwindow = mwindow;
774         this->gui = gui;
775 }
776
777 void VWindowCanvas::zoom_resize_window(float percentage)
778 {
779         EDL *edl = gui->vwindow->get_edl();
780         if(!edl) edl = mwindow->edl;
781
782         int canvas_w, canvas_h;
783         int new_w, new_h;
784
785 // Get required canvas size
786         calculate_sizes(edl->get_aspect_ratio(),
787                 edl->session->output_w,
788                 edl->session->output_h,
789                 percentage,
790                 canvas_w,
791                 canvas_h);
792
793 // Estimate window size from current borders
794         new_w = canvas_w + (gui->get_w() - mwindow->theme->vcanvas_w);
795         new_h = canvas_h + (gui->get_h() - mwindow->theme->vcanvas_h);
796
797         mwindow->session->vwindow_w = new_w;
798         mwindow->session->vwindow_h = new_h;
799
800         mwindow->theme->get_vwindow_sizes(gui);
801
802 // Estimate again from new borders
803         new_w = canvas_w + (mwindow->session->vwindow_w - mwindow->theme->vcanvas_w);
804         new_h = canvas_h + (mwindow->session->vwindow_h - mwindow->theme->vcanvas_h);
805
806
807         gui->resize_window(new_w, new_h);
808         gui->resize_event(new_w, new_h);
809 }
810
811 void VWindowCanvas::zoom_auto()
812 {
813         EDL *edl = gui->vwindow->get_edl();
814         if(!edl) edl = mwindow->edl;
815         set_zoom(edl, 0);
816 }
817
818 void VWindowCanvas::close_source()
819 {
820         gui->vwindow->interrupt_playback(1);
821         gui->vwindow->delete_source(1, 1);
822 }
823
824
825 void VWindowCanvas::draw_refresh(int flush)
826 {
827         if( !get_canvas()->get_video_on() ) {
828                 int cw = get_canvas()->get_w(), ch = get_canvas()->get_h();
829                 get_canvas()->clear_box(0, 0, cw, ch);
830         }
831         EDL *edl = gui->vwindow->get_edl();
832         if( refresh_frame && edl ) {
833                 int ow = get_output_w(edl), oh = get_output_h(edl);
834                 if( ow > 0 && oh > 0 ) {
835                         float in_x1, in_y1, in_x2, in_y2;
836                         float out_x1, out_y1, out_x2, out_y2;
837                         get_transfers(edl,
838                                 in_x1, in_y1, in_x2, in_y2,
839                                 out_x1, out_y1, out_x2, out_y2);
840 // input scaled from session to refresh frame coordinates
841                         int rw = refresh_frame->get_w();
842                         int rh = refresh_frame->get_h();
843                         float xs = (float)rw / ow;
844                         float ys = (float)rh / oh;
845                         in_x1 *= xs;  in_x2 *= xs;
846                         in_y1 *= ys;  in_y2 *= ys;
847                         get_canvas()->draw_vframe(refresh_frame,
848                                 (int)out_x1, (int)out_y1,
849                                 (int)(out_x2 - out_x1), (int)(out_y2 - out_y1),
850                                 (int)in_x1, (int)in_y1,
851                                 (int)(in_x2 - in_x1), (int)(in_y2 - in_y1),
852                                 0);
853                 }
854         }
855         if( !get_canvas()->get_video_on() ) {
856                 draw_overlays();
857                 get_canvas()->flash(flush);
858         }
859 }
860
861 int VWindowCanvas::need_overlays()
862 {
863         if( gui->highlighted ) return 1;
864         return 0;
865 }
866
867 void VWindowCanvas::draw_overlays()
868 {
869         if( gui->highlighted )
870         {
871                 get_canvas()->set_color(WHITE);
872                 get_canvas()->set_inverse();
873                 get_canvas()->draw_rectangle(0, 0, get_canvas()->get_w(), get_canvas()->get_h());
874                 get_canvas()->draw_rectangle(1, 1, get_canvas()->get_w() - 2, get_canvas()->get_h() - 2);
875                 get_canvas()->set_opaque();
876         }
877 }
878