building without python was broken
[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 #ifndef DISABLE_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, 21);
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
263         if(U.tempdir[0]) strncpy(btempdir, U.tempdir, FILE_MAXDIR+FILE_MAXFILE);
264 }
265
266 void WM_read_file(bContext *C, char *name, ReportList *reports)
267 {
268         int retval;
269
270         /* so we can get the error message */
271         errno = 0;
272
273         /* first try to append data from exotic file formats... */
274         /* it throws error box when file doesnt exist and returns -1 */
275         /* note; it should set some error message somewhere... (ton) */
276         retval= BKE_read_exotic(CTX_data_scene(C), name);
277         
278         /* we didn't succeed, now try to read Blender file */
279         if (retval== 0) {
280                 int G_f= G.f;
281                 ListBase wmbase;
282
283                 /* put aside screens to match with persistant windows later */
284                 /* also exit screens and editors */
285                 wm_window_match_init(C, &wmbase); 
286                 
287                 retval= BKE_read_file(C, name, NULL, reports);
288                 G.save_over = 1;
289
290                 /* this flag is initialized by the operator but overwritten on read.
291                  * need to re-enable it here else drivers + registered scripts wont work. */
292                 if(G_f & G_SCRIPT_AUTOEXEC) G.f |= G_SCRIPT_AUTOEXEC;
293                 else                                            G.f &= ~G_SCRIPT_AUTOEXEC;
294
295                 /* match the read WM with current WM */
296                 wm_window_match_do(C, &wmbase);
297                 WM_check(C); /* opens window(s), checks keymaps */
298                 
299 // XXX          mainwindow_set_filename_to_title(G.main->name);
300
301                 if(retval==2) wm_init_userdef(C);       // in case a userdef is read from regular .blend
302                 
303                 if (retval!=0) {
304                         G.relbase_valid = 1;
305                         if(!G.background) /* assume automated tasks with background, dont write recent file list */
306                                 write_history();
307                 }
308
309 // XXX          undo_editmode_clear();
310                 BKE_reset_undo();
311                 BKE_write_undo(C, "original");  /* save current state */
312
313                 WM_event_add_notifier(C, NC_WM|ND_FILEREAD, NULL);
314 //              refresh_interface_font();
315
316                 CTX_wm_window_set(C, CTX_wm_manager(C)->windows.first);
317
318                 ED_editors_init(C);
319                 DAG_on_load_update(CTX_data_main(C));
320
321 #ifndef DISABLE_PYTHON
322                 /* run any texts that were loaded in and flagged as modules */
323                 BPY_load_user_modules(C);
324 #endif
325                 CTX_wm_window_set(C, NULL); /* exits queues */
326         }
327         else if(retval==1)
328                 BKE_write_undo(C, "Import file");
329         else if(retval == -1) {
330                 if(reports)
331                         BKE_reportf(reports, RPT_ERROR, "Can't read file: \"%s\", %s.", name, errno ? strerror(errno) : "Incompatible file format");
332         }
333 }
334
335
336 /* called on startup,  (context entirely filled with NULLs) */
337 /* or called for 'New File' */
338 /* op can be NULL */
339 /* note: G.sce is used to store the last saved path so backup and restore after loading
340  * G.main->name is similar to G.sce but when loading from memory set the name to startup.blend 
341  * ...this could be changed but seems better then setting to "" */
342 int WM_read_homefile(bContext *C, wmOperator *op)
343 {
344         ListBase wmbase;
345         char tstr[FILE_MAXDIR+FILE_MAXFILE], scestr[FILE_MAXDIR];
346         int from_memory= op?RNA_boolean_get(op->ptr, "factory"):0;
347         int success;
348         
349         free_ttfont(); /* still weird... what does it here? */
350                 
351         G.relbase_valid = 0;
352         if (!from_memory) {
353                 char *cfgdir = BLI_get_folder(BLENDER_USER_CONFIG, NULL);
354                 if (cfgdir) {
355                         BLI_make_file_string(G.sce, tstr, cfgdir, BLENDER_STARTUP_FILE);
356                 } else {
357                         tstr[0] = '\0';
358                         from_memory = 1;
359                         if (op) {
360                                 BKE_report(op->reports, RPT_INFO, "Config directory with startup.blend file found."); 
361                         }
362                 }
363         }
364         strcpy(scestr, G.sce);  /* temporary store */
365         
366         /* prevent loading no UI */
367         G.fileflags &= ~G_FILE_NO_UI;
368         
369         /* put aside screens to match with persistant windows later */
370         wm_window_match_init(C, &wmbase); 
371         
372         if (!from_memory && BLI_exists(tstr)) {
373                 success = BKE_read_file(C, tstr, NULL, NULL);
374         } else {
375                 success = BKE_read_file_from_memory(C, datatoc_startup_blend, datatoc_startup_blend_size, NULL, NULL);
376                 if (wmbase.first == NULL) wm_clear_default_size(C);
377         }
378         
379         /* prevent buggy files that had G_FILE_RELATIVE_REMAP written out by mistake. Screws up autosaves otherwise
380          * can remove this eventually, only in a 2.53 and older, now its not written */
381         G.fileflags &= ~G_FILE_RELATIVE_REMAP;
382
383         /* match the read WM with current WM */
384         wm_window_match_do(C, &wmbase); 
385         WM_check(C); /* opens window(s), checks keymaps */
386
387         strcpy(G.sce, scestr); /* restore */
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         WM_event_add_notifier(C, NC_WM|ND_FILEREAD, NULL);
410         CTX_wm_window_set(C, NULL); /* exits queues */
411
412         return OPERATOR_FINISHED;
413 }
414
415
416 void read_history(void)
417 {
418         char name[FILE_MAX];
419         LinkNode *l, *lines;
420         struct RecentFile *recent;
421         char *line;
422         int num;
423         char *cfgdir = BLI_get_folder(BLENDER_CONFIG, NULL);
424
425         if (!cfgdir) return;
426
427         BLI_make_file_string("/", name, cfgdir, BLENDER_HISTORY_FILE);
428
429         lines= BLI_read_file_as_lines(name);
430
431         G.recent_files.first = G.recent_files.last = NULL;
432
433         /* read list of recent opend files from recent-files.txt to memory */
434         for (l= lines, num= 0; l && (num<U.recent_files); l= l->next) {
435                 line = l->link;
436                 if (line[0] && BLI_exists(line)) {
437                         if (num==0) 
438                                 strcpy(G.sce, line); /* note: this seems highly dodgy since the file isnt actually read. please explain. - campbell */
439                         
440                         recent = (RecentFile*)MEM_mallocN(sizeof(RecentFile),"RecentFile");
441                         BLI_addtail(&(G.recent_files), recent);
442                         recent->filepath = (char*)MEM_mallocN(sizeof(char)*(strlen(line)+1), "name of file");
443                         recent->filepath[0] = '\0';
444                         
445                         strcpy(recent->filepath, line);
446                         num++;
447                 }
448         }
449         
450         BLI_free_file_lines(lines);
451
452 }
453
454 static void write_history(void)
455 {
456         struct RecentFile *recent, *next_recent;
457         char name[FILE_MAXDIR+FILE_MAXFILE];
458         FILE *fp;
459         int i;
460
461         BLI_make_file_string("/", name, BLI_get_folder_create(BLENDER_USER_CONFIG, NULL), BLENDER_HISTORY_FILE);
462
463         recent = G.recent_files.first;
464         /* refresh recent-files.txt of recent opened files, when current file was changed */
465         if(!(recent) || (strcmp(recent->filepath, G.sce)!=0)) {
466                 fp= fopen(name, "w");
467                 if (fp) {
468                         /* add current file to the beginning of list */
469                         recent = (RecentFile*)MEM_mallocN(sizeof(RecentFile),"RecentFile");
470                         recent->filepath = (char*)MEM_mallocN(sizeof(char)*(strlen(G.sce)+1), "name of file");
471                         recent->filepath[0] = '\0';
472                         strcpy(recent->filepath, G.sce);
473                         BLI_addhead(&(G.recent_files), recent);
474                         /* write current file to recent-files.txt */
475                         fprintf(fp, "%s\n", recent->filepath);
476                         recent = recent->next;
477                         i=1;
478                         /* write rest of recent opened files to recent-files.txt */
479                         while((i<U.recent_files) && (recent)){
480                                 /* this prevents to have duplicities in list */
481                                 if (strcmp(recent->filepath, G.sce)!=0) {
482                                         fprintf(fp, "%s\n", recent->filepath);
483                                         recent = recent->next;
484                                 }
485                                 else {
486                                         next_recent = recent->next;
487                                         MEM_freeN(recent->filepath);
488                                         BLI_freelinkN(&(G.recent_files), recent);
489                                         recent = next_recent;
490                                 }
491                                 i++;
492                         }
493                         fclose(fp);
494                 }
495         }
496 }
497
498 static void do_history(char *name, ReportList *reports)
499 {
500         char tempname1[FILE_MAXDIR+FILE_MAXFILE], tempname2[FILE_MAXDIR+FILE_MAXFILE];
501         int hisnr= U.versions;
502         
503         if(U.versions==0) return;
504         if(strlen(name)<2) return;
505                 
506         while(hisnr > 1) {
507                 sprintf(tempname1, "%s%d", name, hisnr-1);
508                 sprintf(tempname2, "%s%d", name, hisnr);
509         
510                 if(BLI_rename(tempname1, tempname2))
511                         BKE_report(reports, RPT_ERROR, "Unable to make version backup");
512                         
513                 hisnr--;
514         }
515                 
516         /* is needed when hisnr==1 */
517         sprintf(tempname1, "%s%d", name, hisnr);
518         
519         if(BLI_rename(name, tempname1))
520                 BKE_report(reports, RPT_ERROR, "Unable to make version backup");
521 }
522
523 static ImBuf *blend_file_thumb(const char *path, Scene *scene, int **thumb_pt)
524 {
525         /* will be scaled down, but gives some nice oversampling */
526         ImBuf *ibuf;
527         int *thumb;
528
529         *thumb_pt= NULL;
530         
531         if(G.background || scene->camera==NULL)
532                 return NULL;
533
534         /* gets scaled to BLEN_THUMB_SIZE */
535         ibuf= ED_view3d_draw_offscreen_imbuf_simple(scene, BLEN_THUMB_SIZE * 2, BLEN_THUMB_SIZE * 2, IB_rect, OB_SOLID);
536         
537         if(ibuf) {              
538                 float aspect= (scene->r.xsch*scene->r.xasp) / (scene->r.ysch*scene->r.yasp);
539
540                 /* dirty oversampling */
541                 IMB_scaleImBuf(ibuf, BLEN_THUMB_SIZE, BLEN_THUMB_SIZE);
542
543                 /* add pretty overlay */
544                 IMB_overlayblend_thumb(ibuf->rect, ibuf->x, ibuf->y, aspect);
545                 
546                 /* first write into thumb buffer */
547                 thumb= MEM_mallocN(((2 + (BLEN_THUMB_SIZE * BLEN_THUMB_SIZE))) * sizeof(int), "write_file thumb");
548
549                 thumb[0] = BLEN_THUMB_SIZE;
550                 thumb[1] = BLEN_THUMB_SIZE;
551
552                 memcpy(thumb + 2, ibuf->rect, BLEN_THUMB_SIZE * BLEN_THUMB_SIZE * sizeof(int));
553         }
554         else {
555                 /* '*thumb_pt' needs to stay NULL to prevent a bad thumbnail from being handled */
556                 thumb= NULL;
557         }
558         
559         /* must be freed by caller */
560         *thumb_pt= thumb;
561         
562         return ibuf;
563 }
564
565 /* easy access from gdb */
566 int write_crash_blend(void)
567 {
568         char path[FILE_MAX];
569         BLI_strncpy(path, G.sce, sizeof(path));
570         BLI_replace_extension(path, sizeof(path), "_crash.blend");
571         if(BLO_write_file(G.main, path, G.fileflags, NULL, NULL)) {
572                 printf("written: %s\n", path);
573                 return 1;
574         }
575         else {
576                 printf("failed: %s\n", path);
577                 return 0;
578         }
579 }
580
581 int WM_write_file(bContext *C, char *target, int fileflags, ReportList *reports, int copy)
582 {
583         Library *li;
584         int len;
585         char di[FILE_MAX];
586
587         int *thumb= NULL;
588         ImBuf *ibuf_thumb= NULL;
589
590         len = strlen(target);
591         
592         if (len == 0) {
593                 BKE_report(reports, RPT_ERROR, "Path is empty, cannot save");
594                 return -1;
595         }
596
597         if (len >= FILE_MAX) {
598                 BKE_report(reports, RPT_ERROR, "Path too long, cannot save");
599                 return -1;
600         }
601  
602         /* send the OnSave event */
603         for (li= G.main->library.first; li; li= li->id.next) {
604                 if (BLI_streq(li->name, target)) {
605                         BKE_report(reports, RPT_ERROR, "Cannot overwrite used library");
606                         return -1;
607                 }
608         }
609         
610         if (!BLO_has_bfile_extension(target) && (len+6 < FILE_MAX)) {
611                 sprintf(di, "%s.blend", target);
612         } else {
613                 strcpy(di, target);
614         }
615
616 //      if (BLI_exists(di)) {
617 // XXX          if(!saveover(di))
618 // XXX                  return; 
619 //      }
620         
621         if (G.fileflags & G_AUTOPACK) {
622                 packAll(G.main, reports);
623         }
624         
625         ED_object_exit_editmode(C, EM_DO_UNDO);
626         ED_sculpt_force_update(C);
627
628         /* blend file thumbnail */
629         ibuf_thumb= blend_file_thumb(di, CTX_data_scene(C), &thumb);
630
631         /* rename to .blend1, do this as last before write */
632         do_history(di, reports);
633
634         if (BLO_write_file(CTX_data_main(C), di, fileflags, reports, thumb)) {
635                 if(!copy) {
636                         strcpy(G.sce, di);
637                         G.relbase_valid = 1;
638                         strcpy(G.main->name, di);       /* is guaranteed current file */
639         
640                         G.save_over = 1; /* disable untitled.blend convention */
641                 }
642
643                 if(fileflags & G_FILE_COMPRESS) G.fileflags |= G_FILE_COMPRESS;
644                 else G.fileflags &= ~G_FILE_COMPRESS;
645                 
646                 if(fileflags & G_FILE_AUTOPLAY) G.fileflags |= G_FILE_AUTOPLAY;
647                 else G.fileflags &= ~G_FILE_AUTOPLAY;
648
649                 write_history();
650
651                 /* run this function after because the file cant be written before the blend is */
652                 if (ibuf_thumb) {
653                         ibuf_thumb= IMB_thumb_create(di, THB_NORMAL, THB_SOURCE_BLEND, ibuf_thumb);
654                         IMB_freeImBuf(ibuf_thumb);
655                 }
656
657                 if(thumb) MEM_freeN(thumb);
658         }
659         else {
660                 if(ibuf_thumb) IMB_freeImBuf(ibuf_thumb);
661                 if(thumb) MEM_freeN(thumb);
662                 return -1;
663         }
664
665 // XXX  waitcursor(0);
666         return 0;
667 }
668
669 /* operator entry */
670 int WM_write_homefile(bContext *C, wmOperator *op)
671 {
672         wmWindowManager *wm= CTX_wm_manager(C);
673         wmWindow *win= CTX_wm_window(C);
674         char tstr[FILE_MAXDIR+FILE_MAXFILE];
675         int fileflags;
676         
677         /* check current window and close it if temp */
678         if(win->screen->full == SCREENTEMP)
679                 wm_window_close(C, wm, win);
680         
681         BLI_make_file_string("/", tstr, BLI_get_folder_create(BLENDER_USER_CONFIG, NULL), BLENDER_STARTUP_FILE);
682         printf("trying to save homefile at %s \n", tstr);
683         
684         /*  force save as regular blend file */
685         fileflags = G.fileflags & ~(G_FILE_COMPRESS | G_FILE_AUTOPLAY | G_FILE_LOCK | G_FILE_SIGN);
686
687         BLO_write_file(CTX_data_main(C), tstr, fileflags, op->reports, NULL);
688         
689         G.save_over= 0;
690         
691         return OPERATOR_FINISHED;
692 }
693
694 /************************ autosave ****************************/
695
696 void wm_autosave_location(char *filename)
697 {
698         char pidstr[32];
699 #ifdef WIN32
700         char *savedir;
701 #endif
702
703         sprintf(pidstr, "%d.blend", abs(getpid()));
704         
705 #ifdef WIN32
706         /* XXX Need to investigate how to handle default location of '/tmp/'
707          * This is a relative directory on Windows, and it may be
708          * found. Example:
709          * Blender installed on D:\ drive, D:\ drive has D:\tmp\
710          * Now, BLI_exists() will find '/tmp/' exists, but
711          * BLI_make_file_string will create string that has it most likely on C:\
712          * through get_default_root().
713          * If there is no C:\tmp autosave fails. */
714         if (!BLI_exists(U.tempdir)) {
715                 savedir = BLI_get_folder_create(BLENDER_USER_AUTOSAVE, NULL);
716                 BLI_make_file_string("/", filename, savedir, pidstr);
717                 return;
718         }
719 #endif
720         
721         BLI_make_file_string("/", filename, U.tempdir, pidstr);
722 }
723
724 void WM_autosave_init(wmWindowManager *wm)
725 {
726         wm_autosave_timer_ended(wm);
727
728         if(U.flag & USER_AUTOSAVE)
729                 wm->autosavetimer= WM_event_add_timer(wm, NULL, TIMERAUTOSAVE, U.savetime*60.0);
730 }
731
732 void wm_autosave_timer(const bContext *C, wmWindowManager *wm, wmTimer *wt)
733 {
734         wmWindow *win;
735         wmEventHandler *handler;
736         char filename[FILE_MAX];
737         int fileflags;
738
739         WM_event_remove_timer(wm, NULL, wm->autosavetimer);
740
741         /* if a modal operator is running, don't autosave, but try again in 10 seconds */
742         for(win=wm->windows.first; win; win=win->next) {
743                 for(handler=win->modalhandlers.first; handler; handler=handler->next) {
744                         if(handler->op) {
745                                 wm->autosavetimer= WM_event_add_timer(wm, NULL, TIMERAUTOSAVE, 10.0);
746                                 return;
747                         }
748                 }
749         }
750         
751         wm_autosave_location(filename);
752
753         /*  force save as regular blend file */
754         fileflags = G.fileflags & ~(G_FILE_COMPRESS|G_FILE_AUTOPLAY |G_FILE_LOCK|G_FILE_SIGN);
755
756         /* no error reporting to console */
757         BLO_write_file(CTX_data_main(C), filename, fileflags, NULL, NULL);
758
759         /* do timer after file write, just in case file write takes a long time */
760         wm->autosavetimer= WM_event_add_timer(wm, NULL, TIMERAUTOSAVE, U.savetime*60.0);
761 }
762
763 void wm_autosave_timer_ended(wmWindowManager *wm)
764 {
765         if(wm->autosavetimer) {
766                 WM_event_remove_timer(wm, NULL, wm->autosavetimer);
767                 wm->autosavetimer= NULL;
768         }
769 }
770
771 void wm_autosave_delete(void)
772 {
773         char filename[FILE_MAX];
774         
775         wm_autosave_location(filename);
776
777         if(BLI_exists(filename)) {
778                 char str[FILE_MAXDIR+FILE_MAXFILE];
779                 BLI_make_file_string("/", str, U.tempdir, "quit.blend");
780
781                 /* if global undo; remove tempsave, otherwise rename */
782                 if(U.uiflag & USER_GLOBALUNDO) BLI_delete(filename, 0, 0);
783                 else BLI_rename(filename, str);
784         }
785 }
786
787 void wm_autosave_read(bContext *C, ReportList *reports)
788 {
789         char filename[FILE_MAX];
790
791         wm_autosave_location(filename);
792         WM_read_file(C, filename, reports);
793 }
794