45dacc0b8496f4425b782f2b560ac67b7d189a94
[goodguy/history.git] / cinelerra-5.1 / cinelerra / vwindow.C
1
2 /*
3  * CINELERRA
4  * Copyright (C) 1997-2012 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 "asset.h"
23 #include "assets.h"
24 #include "bcsignals.h"
25 #include "clip.h"
26 #include "clipedit.h"
27 #include "bchash.h"
28 #include "edl.h"
29 #include "edlsession.h"
30 #include "filesystem.h"
31 #include "filexml.h"
32 #include "indexable.h"
33 #include "language.h"
34 #include "localsession.h"
35 #include "mainclock.h"
36 #include "mainmenu.h"
37 #include "mainsession.h"
38 #include "mwindow.h"
39 #include "mwindowgui.h"
40 #include "playbackengine.h"
41 #include "tracks.h"
42 #include "transportque.h"
43 #include "vplayback.h"
44 #include "vtimebar.h"
45 #include "vtracking.h"
46 #include "vwindow.h"
47 #include "vwindowgui.h"
48
49
50 VWindow::VWindow(MWindow *mwindow)
51  : BC_DialogThread()
52 {
53         this->mwindow = mwindow;
54         gui = 0;
55         playback_engine = 0;
56         playback_cursor = 0;
57         clip_edit = 0;
58         indexable = 0;
59         edl = 0;
60 }
61
62
63 VWindow::~VWindow()
64 {
65         close_window();
66 //printf("VWindow::~VWindow 1\n");
67         delete playback_engine;
68 //printf("VWindow::~VWindow 1\n");
69         delete playback_cursor;
70         delete_source(1, 0);
71         delete clip_edit;
72 //printf("VWindow::~VWindow 2\n");
73 }
74
75 void VWindow::delete_source(int do_main_edl, int update_gui)
76 {
77 //printf("VWindow::delete_source %d %d %p %p\n", __LINE__, gui->get_window_lock(), edl, indexable);
78         if(do_main_edl) mwindow->edl->remove_vwindow_edl(get_edl());
79
80         if(edl)
81         {
82                 edl->Garbage::remove_user();
83 //printf("VWindow::delete_source %d\n", __LINE__);
84                 edl = 0;
85         }
86
87 //      if(mwindow->edl->vwindow_edl && !mwindow->edl->vwindow_edl_shared)
88 //      {
89 //              mwindow->edl->vwindow_edl->Garbage::remove_user();
90 //              mwindow->edl->vwindow_edl = 0;
91 //              mwindow->edl->vwindow_edl_shared = 0;
92 //      }
93
94 //printf("VWindow::delete_source %d\n", __LINE__);
95         if(indexable) indexable->Garbage::remove_user();
96         indexable = 0;
97
98         if(update_gui) gui->change_source(0, _("Viewer"));
99 //printf("VWindow::delete_source %d\n", __LINE__);
100 }
101
102
103 void VWindow::load_defaults()
104 {
105 }
106
107 void VWindow::create_objects()
108 {
109 }
110
111
112 void VWindow::handle_done_event(int result)
113 {
114         playback_engine->interrupt_playback(1);
115         delete_source(1, 0);
116         if( mwindow->in_destructor ) return;
117
118         int total = 0;
119         for(int i = 0; i < mwindow->vwindows.size(); i++)
120         {
121
122 //printf("VWindow::handle_done_event %d %d\n", __LINE__, mwindow->vwindows.get(i)->is_running());
123                 if(mwindow->vwindows.get(i)->is_running()) total++;
124         }
125 // subtract ourselves
126         total--;
127
128 // Update the menu if no viewers visible
129         if(!total)
130         {
131                 mwindow->gui->lock_window("VWindowGUI::close_event");
132                 mwindow->gui->mainmenu->show_vwindow->set_checked(0);
133                 mwindow->gui->unlock_window();
134
135                 mwindow->session->show_vwindow = 0;
136                 mwindow->save_defaults();
137         }
138 }
139
140
141
142 BC_Window* VWindow::new_gui()
143 {
144 //printf("VWindow::create_objects 1\n");
145         gui = new VWindowGUI(mwindow, this);
146 //printf("VWindow::create_objects 1\n");
147         gui->create_objects();
148 //printf("VWindow::create_objects 1\n");
149
150         playback_engine = new VPlayback(mwindow, this, gui->canvas);
151 //printf("VWindow::create_objects 1\n");
152
153 // Start command loop
154         playback_engine->create_objects();
155 //printf("VWindow::create_objects 1\n");
156         gui->transport->set_engine(playback_engine);
157 //printf("VWindow::create_objects 1\n");
158         playback_cursor = new VTracking(mwindow, this);
159 //printf("VWindow::create_objects 1\n");
160         playback_cursor->create_objects();
161 //printf("VWindow::create_objects 2\n");
162
163         clip_edit = new ClipEdit(mwindow, 0, this);
164         return gui;
165 }
166
167
168 EDL* VWindow::get_edl()
169 {
170 //      return mwindow->edl->vwindow_edl;
171         return edl;
172 }
173
174 Indexable* VWindow::get_source()
175 {
176         return this->indexable;
177 }
178
179 void VWindow::change_source(int edl_number)
180 {
181         if(!is_running()) return;
182
183 //printf("VWindow::change_source %d %p\n", __LINE__, mwindow->edl->get_vwindow_edl(edl_number));
184         if( edl_number >= 0 && edl_number < mwindow->edl->total_vwindow_edls() &&
185                  mwindow->edl->get_vwindow_edl(edl_number) )
186         {
187                 this->edl = mwindow->edl->get_vwindow_edl(edl_number);
188                 this->edl->Garbage::add_user();
189                 gui->change_source(get_edl(), get_edl()->local_session->clip_title);
190                 update_position(CHANGE_ALL, 1, 1, 1);
191         }
192         else
193         {
194                 delete_source(1, 1);
195 //              if(indexable) indexable->Garbage::remove_user();
196 //              indexable = 0;
197 //              mwindow->edl->vwindow_edl_shared = 0;
198         }
199 }
200
201 void VWindow::change_source(Indexable *indexable)
202 {
203         if(!running()) return;
204 //      if(asset && this->asset &&
205 //              asset->id == this->asset->id &&
206 //              asset == this->asset) return;
207
208 //printf("VWindow::change_source %d\n", __LINE__);
209
210         char title[BCTEXTLEN];
211         FileSystem fs;
212         fs.extract_name(title, indexable->path);
213 //printf("VWindow::change_source 1\n");
214
215         delete_source(1, 0);
216 //printf("VWindow::change_source 1\n");
217
218 // Generate EDL off of main EDL for cutting
219         Asset *asset = 0;
220         EDL *nested_edl = 0;
221         if(indexable->is_asset)
222         {
223                 this->indexable = asset = new Asset;
224                 asset->copy_from((Asset*)indexable, 0);
225         }
226         else
227         {
228                 this->indexable = nested_edl = new EDL;
229                 nested_edl->create_objects();
230                 nested_edl->copy_all((EDL*)indexable);
231         }
232
233 // Create EDL
234         this->edl = new EDL(mwindow->edl);
235         this->edl->create_objects();
236         mwindow->edl->append_vwindow_edl(this->edl, 1);
237
238 //      mwindow->edl->vwindow_edl = new EDL(mwindow->edl);
239 //      mwindow->edl->vwindow_edl_shared = 0;
240 //      mwindow->edl->vwindow_edl->create_objects();
241
242 //printf("VWindow::change_source 1 %d %p %p\n", __LINE__, asset, nested_edl);
243         if(asset)
244                 mwindow->asset_to_edl(this->edl, asset);
245         else
246                 mwindow->edl_to_nested(this->edl, nested_edl);
247
248 // Update GUI
249         gui->change_source(this->edl, title);
250         update_position(CHANGE_ALL, 1, 1, 1);
251
252
253
254 //printf("VWindow::change_source 2\n");
255 }
256
257 void VWindow::change_source(EDL *edl)
258 {
259         if(!running()) return;
260 //printf("VWindow::change_source %d %p\n", __LINE__, edl);
261 // EDLs are identical
262 //      if(edl && mwindow->edl->vwindow_edl &&
263 //              edl->id == mwindow->edl->vwindow_edl->id) return;
264         if(edl && get_edl() && edl->id == get_edl()->id) return;
265
266         delete_source(1, 0);
267
268         if(edl)
269         {
270                 mwindow->edl->append_vwindow_edl(edl, 1);
271                 this->edl = edl;
272                 this->edl->Garbage::add_user();
273
274 //              mwindow->edl->vwindow_edl = edl;
275 // in order not to later delete edl if it is shared
276 //              edl->Garbage::add_user();
277 //              mwindow->edl->vwindow_edl_shared = 1;
278
279 // Update GUI
280                 gui->change_source(edl, edl->local_session->clip_title);
281                 update_position(CHANGE_ALL, 1, 1, 1);
282         }
283         else
284                 gui->change_source(edl, _("Viewer"));
285 }
286
287
288 void VWindow::goto_start()
289 {
290         if(get_edl())
291         {
292                 get_edl()->local_session->set_selectionstart(0);
293                 get_edl()->local_session->set_selectionend(0);
294                 update_position(CHANGE_NONE,
295                         0,
296                         1,
297                         0);
298         }
299 }
300
301 void VWindow::goto_end()
302 {
303         if(get_edl())
304         {
305                 double position = get_edl()->tracks->total_length();
306                 get_edl()->local_session->set_selectionstart(position);
307                 get_edl()->local_session->set_selectionend(position);
308                 update_position(CHANGE_NONE,
309                         0,
310                         1,
311                         0);
312         }
313 }
314
315 void VWindow::update(int do_timebar)
316 {
317         if(do_timebar)
318                 gui->timebar->update(1);
319 }
320
321 void VWindow::update_position(int change_type,
322         int use_slider,
323         int update_slider,
324         int lock_window)
325 {
326         EDL *edl = get_edl();
327         if(edl)
328         {
329 //printf("VWindow::update_position %d\n", __LINE__);
330 //edl->dump();
331                 playback_engine->que->send_command(CURRENT_FRAME,
332                         change_type,
333                         edl,
334                         1);
335
336                 double position = edl->local_session->get_selectionstart(1);
337                 if(lock_window) gui->lock_window("VWindow::update_position");
338                 gui->clock->update(position);
339                 if(lock_window) gui->unlock_window();
340         }
341 }
342
343
344
345
346
347 int VWindow::update_position(double position)
348 {
349         EDL *edl = get_edl();
350         if(edl)
351         {
352                 gui->unlock_window();
353
354                 playback_engine->interrupt_playback(1);
355
356                 position = mwindow->edl->align_to_frame(position, 0);
357                 position = MAX(0, position);
358
359                 edl->local_session->set_selectionstart(position);
360                 edl->local_session->set_selectionend(position);
361
362                 gui->lock_window("VWindow::update_position 1");
363                 update_position(CHANGE_NONE, 0, 1, 0);
364         }
365
366         return 1;
367 }
368
369 void VWindow::set_inpoint()
370 {
371         EDL *edl = get_edl();
372         if(edl)
373         {
374                 edl->set_inpoint(edl->local_session->get_selectionstart(1));
375                 gui->timebar->update(1);
376         }
377 }
378
379 void VWindow::set_outpoint()
380 {
381         EDL *edl = get_edl();
382         if(edl)
383         {
384                 edl->set_outpoint(edl->local_session->get_selectionstart(1));
385                 gui->timebar->update(1);
386         }
387 }
388
389 void VWindow::clear_inpoint()
390 {
391         EDL *edl = get_edl();
392         if(edl)
393         {
394                 edl->local_session->unset_inpoint();
395                 gui->timebar->update(1);
396         }
397 }
398
399 void VWindow::clear_outpoint()
400 {
401         EDL *edl = get_edl();
402         if(edl)
403         {
404                 edl->local_session->unset_outpoint();
405                 gui->timebar->update(1);
406         }
407 }
408
409 void VWindow::copy()
410 {
411         EDL *edl = get_edl();
412         if(edl)
413         {
414                 double start = edl->local_session->get_selectionstart();
415                 double end = edl->local_session->get_selectionend();
416                 FileXML file;
417                 edl->copy(start,
418                         end,
419                         0,
420                         0,
421                         0,
422                         &file,
423                         "",
424                         1);
425                 const char *file_string = file.string();
426                 long file_length = strlen(file_string);
427                 mwindow->gui->lock_window();
428                 mwindow->gui->to_clipboard(file_string, file_length, BC_PRIMARY_SELECTION);
429                 mwindow->gui->to_clipboard(file_string, file_length, SECONDARY_SELECTION);
430                 mwindow->gui->unlock_window();
431         }
432 }
433
434 void VWindow::splice_selection()
435 {
436 }
437
438 void VWindow::overwrite_selection()
439 {
440 }
441