Bugfix #24570
[blender.git] / source / blender / windowmanager / intern / wm_files.c
1 /**
2  * $Id$
3  *
4  * ***** BEGIN GPL LICENSE BLOCK *****
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (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 Foundation,
18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19  *
20  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
21  * All rights reserved.
22  *
23  * Contributor(s): Blender Foundation 2007
24  *
25  * ***** END GPL LICENSE BLOCK *****
26  */
27
28         /* placed up here because of crappy
29          * winsock stuff.
30          */
31 #include <stdio.h>
32 #include <string.h>
33 #include <errno.h>
34
35 #ifdef WIN32
36 #include <windows.h> /* need to include windows.h so _WIN32_IE is defined  */
37 #ifndef _WIN32_IE
38 #define _WIN32_IE 0x0400 /* minimal requirements for SHGetSpecialFolderPath on MINGW MSVC has this defined already */
39 #endif
40 #include <shlobj.h> /* for SHGetSpecialFolderPath, has to be done before BLI_winstuff because 'near' is disabled through BLI_windstuff */
41 #include <process.h> /* getpid */
42 #include "BLI_winstuff.h"
43 #else
44 #include <unistd.h> /* getpid */
45 #endif
46
47 #include "MEM_guardedalloc.h"
48 #include "MEM_CacheLimiterC-Api.h"
49
50 #include "BLI_blenlib.h"
51 #include "BLI_linklist.h"
52
53 #include "DNA_anim_types.h"
54 #include "DNA_ipo_types.h" // XXX old animation system
55 #include "DNA_object_types.h"
56 #include "DNA_space_types.h"
57 #include "DNA_userdef_types.h"
58 #include "DNA_scene_types.h"
59 #include "DNA_screen_types.h"
60 #include "DNA_windowmanager_types.h"
61
62 #include "BKE_blender.h"
63 #include "BKE_context.h"
64 #include "BKE_depsgraph.h"
65 #include "BKE_DerivedMesh.h"
66 #include "BKE_exotic.h"
67 #include "BKE_font.h"
68 #include "BKE_global.h"
69 #include "BKE_library.h"
70 #include "BKE_main.h"
71 #include "BKE_packedFile.h"
72 #include "BKE_report.h"
73 #include "BKE_sound.h"
74 #include "BKE_texture.h"
75 #include "BKE_utildefines.h"
76
77 #include "BLO_readfile.h"
78 #include "BLO_writefile.h"
79
80 #include "RNA_access.h"
81
82 #include "IMB_imbuf.h"
83 #include "IMB_imbuf_types.h"
84 #include "IMB_thumbs.h"
85
86 #include "ED_datafiles.h"
87 #include "ED_object.h"
88 #include "ED_screen.h"
89 #include "ED_sculpt.h"
90 #include "ED_view3d.h"
91 #include "ED_util.h"
92
93 #include "GHOST_C-api.h"
94
95 #include "UI_interface.h"
96
97 #include "GPU_draw.h"
98
99 #ifdef WITH_PYTHON
100 #include "BPY_extern.h"
101 #endif
102
103 #include "WM_api.h"
104 #include "WM_types.h"
105 #include "wm.h"
106 #include "wm_window.h"
107 #include "wm_event_system.h"
108
109 static void write_history(void);
110
111 /* To be able to read files without windows closing, opening, moving 
112    we try to prepare for worst case:
113    - active window gets active screen from file 
114    - restoring the screens from non-active windows 
115    Best case is all screens match, in that case they get assigned to proper window  
116 */
117 static void wm_window_match_init(bContext *C, ListBase *wmlist)
118 {
119         wmWindowManager *wm= G.main->wm.first;
120         wmWindow *win, *active_win;
121         
122         *wmlist= G.main->wm;
123         G.main->wm.first= G.main->wm.last= NULL;
124         
125         active_win = CTX_wm_window(C);
126
127         /* first wrap up running stuff */
128         /* code copied from wm_init_exit.c */
129         for(wm= wmlist->first; wm; wm= wm->id.next) {
130                 
131                 WM_jobs_stop_all(wm);
132                 
133                 for(win= wm->windows.first; win; win= win->next) {
134                 
135                         CTX_wm_window_set(C, win);      /* needed by operator close callbacks */
136                         WM_event_remove_handlers(C, &win->handlers);
137                         WM_event_remove_handlers(C, &win->modalhandlers);
138                         ED_screen_exit(C, win, win->screen);
139                 }
140         }
141         
142         /* reset active window */
143         CTX_wm_window_set(C, active_win);
144
145         ED_editors_exit(C);
146         
147 return; 
148         if(wm==NULL) return;
149         if(G.fileflags & G_FILE_NO_UI) return;
150         
151         /* we take apart the used screens from non-active window */
152         for(win= wm->windows.first; win; win= win->next) {
153                 BLI_strncpy(win->screenname, win->screen->id.name, MAX_ID_NAME);
154                 if(win!=wm->winactive) {
155                         BLI_remlink(&G.main->screen, win->screen);
156                         //BLI_addtail(screenbase, win->screen);
157                 }
158         }
159 }
160
161 /* match old WM with new, 4 cases:
162   1- no current wm, no read wm: make new default
163   2- no current wm, but read wm: that's OK, do nothing
164   3- current wm, but not in file: try match screen names
165   4- current wm, and wm in file: try match ghostwin 
166 */
167
168 static void wm_window_match_do(bContext *C, ListBase *oldwmlist)
169 {
170         wmWindowManager *oldwm, *wm;
171         wmWindow *oldwin, *win;
172         
173         /* cases 1 and 2 */
174         if(oldwmlist->first==NULL) {
175                 if(G.main->wm.first); /* nothing todo */
176                 else
177                         wm_add_default(C);
178         }
179         else {
180                 /* cases 3 and 4 */
181                 
182                 /* we've read file without wm..., keep current one entirely alive */
183                 if(G.main->wm.first==NULL) {
184                         /* when loading without UI, no matching needed */
185                         if(!(G.fileflags & G_FILE_NO_UI)) {
186                                 bScreen *screen= CTX_wm_screen(C);
187
188                                 /* match oldwm to new dbase, only old files */
189                                 for(wm= oldwmlist->first; wm; wm= wm->id.next) {
190                                         
191                                         for(win= wm->windows.first; win; win= win->next) {
192                                                 /* all windows get active screen from file */
193                                                 if(screen->winid==0)
194                                                         win->screen= screen;
195                                                 else 
196                                                         win->screen= ED_screen_duplicate(win, screen);
197                                                 
198                                                 BLI_strncpy(win->screenname, win->screen->id.name+2, sizeof(win->screenname));
199                                                 win->screen->winid= win->winid;
200                                         }
201                                 }
202                         }
203                         
204                         G.main->wm= *oldwmlist;
205                         
206                         /* screens were read from file! */
207                         ED_screens_initialize(G.main->wm.first);
208                 }
209                 else {
210                         /* what if old was 3, and loaded 1? */
211                         /* this code could move to setup_appdata */
212                         oldwm= oldwmlist->first;
213                         wm= G.main->wm.first;
214
215                         /* ensure making new keymaps and set space types */
216                         wm->initialized= 0;
217                         wm->winactive= NULL;
218                         
219                         /* only first wm in list has ghostwins */
220                         for(win= wm->windows.first; win; win= win->next) {
221                                 for(oldwin= oldwm->windows.first; oldwin; oldwin= oldwin->next) {
222                                         
223                                         if(oldwin->winid == win->winid ) {
224                                                 win->ghostwin= oldwin->ghostwin;
225                                                 win->active= oldwin->active;
226                                                 if(win->active)
227                                                         wm->winactive= win;
228
229                                                 if(!G.background) /* file loading in background mode still calls this */
230                                                         GHOST_SetWindowUserData(win->ghostwin, win);    /* pointer back */
231
232                                                 oldwin->ghostwin= NULL;
233                                                 
234                                                 win->eventstate= oldwin->eventstate;
235                                                 oldwin->eventstate= NULL;
236                                                 
237                                                 /* ensure proper screen rescaling */
238                                                 win->sizex= oldwin->sizex;
239                                                 win->sizey= oldwin->sizey;
240                                                 win->posx= oldwin->posx;
241                                                 win->posy= oldwin->posy;
242                                         }
243                                 }
244                         }
245                         wm_close_and_free_all(C, oldwmlist);
246                 }
247         }
248 }
249
250 /* in case UserDef was read, we re-initialize all, and do versioning */
251 static void wm_init_userdef(bContext *C)
252 {
253         extern char btempdir[];
254
255         UI_init_userdef();
256         MEM_CacheLimiter_set_maximum(U.memcachelimit * 1024 * 1024);
257         sound_init(CTX_data_main(C));
258
259         /* set the python auto-execute setting from user prefs */
260         /* disabled by default, unless explicitly enabled in the command line */
261         if ((U.flag & USER_SCRIPT_AUTOEXEC_DISABLE) == 0) G.f |=  G_SCRIPT_AUTOEXEC;
262         if(U.tempdir[0]) BLI_where_is_temp(btempdir, 1);
263 }
264
265 void WM_read_file(bContext *C, char *name, ReportList *reports)
266 {
267         int retval;
268
269         /* so we can get the error message */
270         errno = 0;
271
272         /* first try to append data from exotic file formats... */
273         /* it throws error box when file doesnt exist and returns -1 */
274         /* note; it should set some error message somewhere... (ton) */
275         retval= BKE_read_exotic(CTX_data_scene(C), name);
276         
277         /* we didn't succeed, now try to read Blender file */
278         if (retval== 0) {
279                 int G_f= G.f;
280                 ListBase wmbase;
281
282                 /* put aside screens to match with persistant windows later */
283                 /* also exit screens and editors */
284                 wm_window_match_init(C, &wmbase); 
285                 
286                 retval= BKE_read_file(C, name, reports);
287                 G.save_over = 1;
288
289                 /* this flag is initialized by the operator but overwritten on read.
290                  * need to re-enable it here else drivers + registered scripts wont work. */
291                 if(G_f & G_SCRIPT_AUTOEXEC) G.f |= G_SCRIPT_AUTOEXEC;
292                 else                                            G.f &= ~G_SCRIPT_AUTOEXEC;
293
294                 /* match the read WM with current WM */
295                 wm_window_match_do(C, &wmbase);
296                 WM_check(C); /* opens window(s), checks keymaps */
297                 
298 // XXX          mainwindow_set_filename_to_title(G.main->name);
299
300                 if(retval==2) wm_init_userdef(C);       // in case a userdef is read from regular .blend
301                 
302                 if (retval!=0) {
303                         G.relbase_valid = 1;
304                         if(!G.background) /* assume automated tasks with background, dont write recent file list */
305                                 write_history();
306                 }
307
308 // XXX          undo_editmode_clear();
309                 BKE_reset_undo();
310                 BKE_write_undo(C, "original");  /* save current state */
311
312                 WM_event_add_notifier(C, NC_WM|ND_FILEREAD, NULL);
313 //              refresh_interface_font();
314
315                 CTX_wm_window_set(C, CTX_wm_manager(C)->windows.first);
316
317                 ED_editors_init(C);
318                 DAG_on_load_update(CTX_data_main(C));
319
320 #ifdef WITH_PYTHON
321                 /* run any texts that were loaded in and flagged as modules */
322                 BPY_load_user_modules(C);
323 #endif
324                 CTX_wm_window_set(C, NULL); /* exits queues */
325         }
326         else if(retval==1)
327                 BKE_write_undo(C, "Import file");
328         else if(retval == -1) {
329                 if(reports)
330                         BKE_reportf(reports, RPT_ERROR, "Can't read file: \"%s\", %s.", name, errno ? strerror(errno) : "Incompatible file format");
331         }
332 }
333
334
335 /* called on startup,  (context entirely filled with NULLs) */
336 /* or called for 'New File' */
337 /* op can be NULL */
338 int WM_read_homefile(bContext *C, wmOperator *op)
339 {
340         ListBase wmbase;
341         char tstr[FILE_MAXDIR+FILE_MAXFILE];
342         int from_memory= op && strcmp(op->type->idname, "WM_OT_read_factory_settings")==0;
343         int success= 0;
344         
345         free_ttfont(); /* still weird... what does it here? */
346                 
347         G.relbase_valid = 0;
348         if (!from_memory) {
349                 char *cfgdir = BLI_get_folder(BLENDER_USER_CONFIG, NULL);
350                 if (cfgdir) {
351                         BLI_make_file_string(G.main->name, tstr, cfgdir, BLENDER_STARTUP_FILE);
352                 } else {
353                         tstr[0] = '\0';
354                         from_memory = 1;
355                         if (op) {
356                                 BKE_report(op->reports, RPT_INFO, "Config directory with startup.blend file found."); 
357                         }
358                 }
359         }
360         
361         /* prevent loading no UI */
362         G.fileflags &= ~G_FILE_NO_UI;
363         
364         /* put aside screens to match with persistant windows later */
365         wm_window_match_init(C, &wmbase); 
366         
367         if (!from_memory && BLI_exists(tstr)) {
368                 success = BKE_read_file(C, tstr, NULL);
369                 
370                 if(U.themes.first==NULL) {
371                         printf("\nError: No valid startup.blend, fall back to built-in default.\n\n");
372                         success = 0;
373                 }
374         }
375         if(success==0) {
376                 success = BKE_read_file_from_memory(C, datatoc_startup_blend, datatoc_startup_blend_size, NULL);
377                 if (wmbase.first == NULL) wm_clear_default_size(C);
378         }
379         
380         /* prevent buggy files that had G_FILE_RELATIVE_REMAP written out by mistake. Screws up autosaves otherwise
381          * can remove this eventually, only in a 2.53 and older, now its not written */
382         G.fileflags &= ~G_FILE_RELATIVE_REMAP;
383
384         /* match the read WM with current WM */
385         wm_window_match_do(C, &wmbase); 
386         WM_check(C); /* opens window(s), checks keymaps */
387
388         G.main->name[0]= '\0';
389
390         wm_init_userdef(C);
391         
392         /* When loading factory settings, the reset solid OpenGL lights need to be applied. */
393         if (!G.background) GPU_default_lights();
394         
395         /* XXX */
396         G.save_over = 0;        // start with save preference untitled.blend
397         G.fileflags &= ~G_FILE_AUTOPLAY;        /*  disable autoplay in startup.blend... */
398 //      mainwindow_set_filename_to_title("");   // empty string re-initializes title to "Blender"
399         
400 //      refresh_interface_font();
401         
402 //      undo_editmode_clear();
403         BKE_reset_undo();
404         BKE_write_undo(C, "original");  /* save current state */
405
406         ED_editors_init(C);
407         DAG_on_load_update(CTX_data_main(C));
408
409 #ifdef WITH_PYTHON
410         if(CTX_py_init_get(C)) {
411                 /* sync addons, these may have changed from the defaults */
412                 BPY_eval_string(C, "__import__('bpy').utils.addon_reset_all()");
413         }
414 #endif
415         
416         WM_event_add_notifier(C, NC_WM|ND_FILEREAD, NULL);
417         CTX_wm_window_set(C, NULL); /* exits queues */
418
419         return OPERATOR_FINISHED;
420 }
421
422
423 void read_history(void)
424 {
425         char name[FILE_MAX];
426         LinkNode *l, *lines;
427         struct RecentFile *recent;
428         char *line;
429         int num;
430         char *cfgdir = BLI_get_folder(BLENDER_CONFIG, NULL);
431
432         if (!cfgdir) return;
433
434         BLI_make_file_string("/", name, cfgdir, BLENDER_HISTORY_FILE);
435
436         lines= BLI_read_file_as_lines(name);
437
438         G.recent_files.first = G.recent_files.last = NULL;
439
440         /* read list of recent opend files from recent-files.txt to memory */
441         for (l= lines, num= 0; l && (num<U.recent_files); l= l->next) {
442                 line = l->link;
443                 if (line[0] && BLI_exists(line)) {
444                         recent = (RecentFile*)MEM_mallocN(sizeof(RecentFile),"RecentFile");
445                         BLI_addtail(&(G.recent_files), recent);
446                         recent->filepath = (char*)MEM_mallocN(sizeof(char)*(strlen(line)+1), "name of file");
447                         recent->filepath[0] = '\0';
448                         
449                         strcpy(recent->filepath, line);
450                         num++;
451                 }
452         }
453         
454         BLI_free_file_lines(lines);
455
456 }
457
458 static void write_history(void)
459 {
460         struct RecentFile *recent, *next_recent;
461         char name[FILE_MAXDIR+FILE_MAXFILE];
462         char *user_config_dir;
463         FILE *fp;
464         int i;
465
466         /* will be NULL in background mode */
467         user_config_dir = BLI_get_folder_create(BLENDER_USER_CONFIG, NULL);
468         if(!user_config_dir)
469                 return;
470
471         BLI_make_file_string("/", name, user_config_dir, BLENDER_HISTORY_FILE);
472
473         recent = G.recent_files.first;
474         /* refresh recent-files.txt of recent opened files, when current file was changed */
475         if(!(recent) || (strcmp(recent->filepath, G.main->name)!=0)) {
476                 fp= fopen(name, "w");
477                 if (fp) {
478                         /* add current file to the beginning of list */
479                         recent = (RecentFile*)MEM_mallocN(sizeof(RecentFile),"RecentFile");
480                         recent->filepath = (char*)MEM_mallocN(sizeof(char)*(strlen(G.main->name)+1), "name of file");
481                         recent->filepath[0] = '\0';
482                         strcpy(recent->filepath, G.main->name);
483                         BLI_addhead(&(G.recent_files), recent);
484                         /* write current file to recent-files.txt */
485                         fprintf(fp, "%s\n", recent->filepath);
486                         recent = recent->next;
487                         i=1;
488                         /* write rest of recent opened files to recent-files.txt */
489                         while((i<U.recent_files) && (recent)){
490                                 /* this prevents to have duplicities in list */
491                                 if (strcmp(recent->filepath, G.main->name)!=0) {
492                                         fprintf(fp, "%s\n", recent->filepath);
493                                         recent = recent->next;
494                                 }
495                                 else {
496                                         next_recent = recent->next;
497                                         MEM_freeN(recent->filepath);
498                                         BLI_freelinkN(&(G.recent_files), recent);
499                                         recent = next_recent;
500                                 }
501                                 i++;
502                         }
503                         fclose(fp);
504                 }
505         }
506 }
507
508 static void do_history(char *name, ReportList *reports)
509 {
510         char tempname1[FILE_MAXDIR+FILE_MAXFILE], tempname2[FILE_MAXDIR+FILE_MAXFILE];
511         int hisnr= U.versions;
512         
513         if(U.versions==0) return;
514         if(strlen(name)<2) return;
515                 
516         while(hisnr > 1) {
517                 sprintf(tempname1, "%s%d", name, hisnr-1);
518                 sprintf(tempname2, "%s%d", name, hisnr);
519         
520                 if(BLI_rename(tempname1, tempname2))
521                         BKE_report(reports, RPT_ERROR, "Unable to make version backup");
522                         
523                 hisnr--;
524         }
525                 
526         /* is needed when hisnr==1 */
527         sprintf(tempname1, "%s%d", name, hisnr);
528         
529         if(BLI_rename(name, tempname1))
530                 BKE_report(reports, RPT_ERROR, "Unable to make version backup");
531 }
532
533 static ImBuf *blend_file_thumb(Scene *scene, int **thumb_pt)
534 {
535         /* will be scaled down, but gives some nice oversampling */
536         ImBuf *ibuf;
537         int *thumb;
538
539         *thumb_pt= NULL;
540         
541         if(G.background || scene->camera==NULL)
542                 return NULL;
543
544         /* gets scaled to BLEN_THUMB_SIZE */
545         ibuf= ED_view3d_draw_offscreen_imbuf_simple(scene, BLEN_THUMB_SIZE * 2, BLEN_THUMB_SIZE * 2, IB_rect, OB_SOLID);
546         
547         if(ibuf) {              
548                 float aspect= (scene->r.xsch*scene->r.xasp) / (scene->r.ysch*scene->r.yasp);
549
550                 /* dirty oversampling */
551                 IMB_scaleImBuf(ibuf, BLEN_THUMB_SIZE, BLEN_THUMB_SIZE);
552
553                 /* add pretty overlay */
554                 IMB_overlayblend_thumb(ibuf->rect, ibuf->x, ibuf->y, aspect);
555                 
556                 /* first write into thumb buffer */
557                 thumb= MEM_mallocN(((2 + (BLEN_THUMB_SIZE * BLEN_THUMB_SIZE))) * sizeof(int), "write_file thumb");
558
559                 thumb[0] = BLEN_THUMB_SIZE;
560                 thumb[1] = BLEN_THUMB_SIZE;
561
562                 memcpy(thumb + 2, ibuf->rect, BLEN_THUMB_SIZE * BLEN_THUMB_SIZE * sizeof(int));
563         }
564         else {
565                 /* '*thumb_pt' needs to stay NULL to prevent a bad thumbnail from being handled */
566                 thumb= NULL;
567         }
568         
569         /* must be freed by caller */
570         *thumb_pt= thumb;
571         
572         return ibuf;
573 }
574
575 /* easy access from gdb */
576 int write_crash_blend(void)
577 {
578         char path[FILE_MAX];
579         BLI_strncpy(path, G.main->name, sizeof(path));
580         BLI_replace_extension(path, sizeof(path), "_crash.blend");
581         if(BLO_write_file(G.main, path, G.fileflags, NULL, NULL)) {
582                 printf("written: %s\n", path);
583                 return 1;
584         }
585         else {
586                 printf("failed: %s\n", path);
587                 return 0;
588         }
589 }
590
591 int WM_write_file(bContext *C, const char *target, int fileflags, ReportList *reports, int copy)
592 {
593         Library *li;
594         int len;
595         char di[FILE_MAX];
596
597         int *thumb= NULL;
598         ImBuf *ibuf_thumb= NULL;
599
600         len = strlen(target);
601         
602         if (len == 0) {
603                 BKE_report(reports, RPT_ERROR, "Path is empty, cannot save");
604                 return -1;
605         }
606
607         if (len >= FILE_MAX) {
608                 BKE_report(reports, RPT_ERROR, "Path too long, cannot save");
609                 return -1;
610         }
611  
612         BLI_strncpy(di, target, FILE_MAX);
613         BLI_replace_extension(di, FILE_MAX, ".blend");
614         /* dont use 'target' anymore */
615         
616         /* send the OnSave event */
617         for (li= G.main->library.first; li; li= li->id.next) {
618                 if (strcmp(li->filepath, di) == 0) {
619                         BKE_reportf(reports, RPT_ERROR, "Can't overwrite used library '%f'", di);
620                         return -1;
621                 }
622         }
623
624         /* operator now handles overwrite checks */
625
626         if (G.fileflags & G_AUTOPACK) {
627                 packAll(G.main, reports);
628         }
629         
630         ED_object_exit_editmode(C, EM_DO_UNDO);
631         ED_sculpt_force_update(C);
632
633         /* blend file thumbnail */
634         ibuf_thumb= blend_file_thumb(CTX_data_scene(C), &thumb);
635
636         /* rename to .blend1, do this as last before write */
637         do_history(di, reports);
638
639         if (BLO_write_file(CTX_data_main(C), di, fileflags, reports, thumb)) {
640                 if(!copy) {
641                         G.relbase_valid = 1;
642                         strcpy(G.main->name, di);       /* is guaranteed current file */
643         
644                         G.save_over = 1; /* disable untitled.blend convention */
645                 }
646
647                 if(fileflags & G_FILE_COMPRESS) G.fileflags |= G_FILE_COMPRESS;
648                 else G.fileflags &= ~G_FILE_COMPRESS;
649                 
650                 if(fileflags & G_FILE_AUTOPLAY) G.fileflags |= G_FILE_AUTOPLAY;
651                 else G.fileflags &= ~G_FILE_AUTOPLAY;
652
653                 write_history();
654
655                 /* run this function after because the file cant be written before the blend is */
656                 if (ibuf_thumb) {
657                         ibuf_thumb= IMB_thumb_create(di, THB_NORMAL, THB_SOURCE_BLEND, ibuf_thumb);
658                         IMB_freeImBuf(ibuf_thumb);
659                 }
660
661                 if(thumb) MEM_freeN(thumb);
662         }
663         else {
664                 if(ibuf_thumb) IMB_freeImBuf(ibuf_thumb);
665                 if(thumb) MEM_freeN(thumb);
666                 return -1;
667         }
668
669 // XXX  waitcursor(0);
670         return 0;
671 }
672
673 /* operator entry */
674 int WM_write_homefile(bContext *C, wmOperator *op)
675 {
676         wmWindowManager *wm= CTX_wm_manager(C);
677         wmWindow *win= CTX_wm_window(C);
678         char tstr[FILE_MAXDIR+FILE_MAXFILE];
679         int fileflags;
680         
681         /* check current window and close it if temp */
682         if(win->screen->temp)
683                 wm_window_close(C, wm, win);
684         
685         BLI_make_file_string("/", tstr, BLI_get_folder_create(BLENDER_USER_CONFIG, NULL), BLENDER_STARTUP_FILE);
686         printf("trying to save homefile at %s ", tstr);
687         
688         /*  force save as regular blend file */
689         fileflags = G.fileflags & ~(G_FILE_COMPRESS | G_FILE_AUTOPLAY | G_FILE_LOCK | G_FILE_SIGN);
690
691         if(BLO_write_file(CTX_data_main(C), tstr, fileflags, op->reports, NULL) == 0) {
692                 printf("fail\n");
693                 return OPERATOR_CANCELLED;
694         }
695         
696         printf("ok\n");
697
698         G.save_over= 0;
699
700         return OPERATOR_FINISHED;
701 }
702
703 /************************ autosave ****************************/
704
705 void wm_autosave_location(char *filename)
706 {
707         char pidstr[32];
708 #ifdef WIN32
709         char *savedir;
710 #endif
711
712         sprintf(pidstr, "%d.blend", abs(getpid()));
713         
714 #ifdef WIN32
715         /* XXX Need to investigate how to handle default location of '/tmp/'
716          * This is a relative directory on Windows, and it may be
717          * found. Example:
718          * Blender installed on D:\ drive, D:\ drive has D:\tmp\
719          * Now, BLI_exists() will find '/tmp/' exists, but
720          * BLI_make_file_string will create string that has it most likely on C:\
721          * through get_default_root().
722          * If there is no C:\tmp autosave fails. */
723         if (!BLI_exists(U.tempdir)) {
724                 savedir = BLI_get_folder_create(BLENDER_USER_AUTOSAVE, NULL);
725                 BLI_make_file_string("/", filename, savedir, pidstr);
726                 return;
727         }
728 #endif
729         
730         BLI_make_file_string("/", filename, U.tempdir, pidstr);
731 }
732
733 void WM_autosave_init(wmWindowManager *wm)
734 {
735         wm_autosave_timer_ended(wm);
736
737         if(U.flag & USER_AUTOSAVE)
738                 wm->autosavetimer= WM_event_add_timer(wm, NULL, TIMERAUTOSAVE, U.savetime*60.0);
739 }
740
741 void wm_autosave_timer(const bContext *C, wmWindowManager *wm, wmTimer *UNUSED(wt))
742 {
743         wmWindow *win;
744         wmEventHandler *handler;
745         char filename[FILE_MAX];
746         int fileflags;
747
748         WM_event_remove_timer(wm, NULL, wm->autosavetimer);
749
750         /* if a modal operator is running, don't autosave, but try again in 10 seconds */
751         for(win=wm->windows.first; win; win=win->next) {
752                 for(handler=win->modalhandlers.first; handler; handler=handler->next) {
753                         if(handler->op) {
754                                 wm->autosavetimer= WM_event_add_timer(wm, NULL, TIMERAUTOSAVE, 10.0);
755                                 return;
756                         }
757                 }
758         }
759         
760         wm_autosave_location(filename);
761
762         /*  force save as regular blend file */
763         fileflags = G.fileflags & ~(G_FILE_COMPRESS|G_FILE_AUTOPLAY |G_FILE_LOCK|G_FILE_SIGN);
764
765         /* no error reporting to console */
766         BLO_write_file(CTX_data_main(C), filename, fileflags, NULL, NULL);
767
768         /* do timer after file write, just in case file write takes a long time */
769         wm->autosavetimer= WM_event_add_timer(wm, NULL, TIMERAUTOSAVE, U.savetime*60.0);
770 }
771
772 void wm_autosave_timer_ended(wmWindowManager *wm)
773 {
774         if(wm->autosavetimer) {
775                 WM_event_remove_timer(wm, NULL, wm->autosavetimer);
776                 wm->autosavetimer= NULL;
777         }
778 }
779
780 void wm_autosave_delete(void)
781 {
782         char filename[FILE_MAX];
783         
784         wm_autosave_location(filename);
785
786         if(BLI_exists(filename)) {
787                 char str[FILE_MAXDIR+FILE_MAXFILE];
788                 BLI_make_file_string("/", str, U.tempdir, "quit.blend");
789
790                 /* if global undo; remove tempsave, otherwise rename */
791                 if(U.uiflag & USER_GLOBALUNDO) BLI_delete(filename, 0, 0);
792                 else BLI_rename(filename, str);
793         }
794 }
795
796 void wm_autosave_read(bContext *C, ReportList *reports)
797 {
798         char filename[FILE_MAX];
799
800         wm_autosave_location(filename);
801         WM_read_file(C, filename, reports);
802 }
803