python access to driver namespace, rather then have a textblock defined for drivers...
[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, const 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_reset_driver();
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 int WM_read_homefile(bContext *C, wmOperator *op)
340 {
341         ListBase wmbase;
342         char tstr[FILE_MAXDIR+FILE_MAXFILE];
343         int from_memory= op && strcmp(op->type->idname, "WM_OT_read_factory_settings")==0;
344         int success= 0;
345         
346         free_ttfont(); /* still weird... what does it here? */
347                 
348         G.relbase_valid = 0;
349         if (!from_memory) {
350                 char *cfgdir = BLI_get_folder(BLENDER_USER_CONFIG, NULL);
351                 if (cfgdir) {
352                         BLI_make_file_string(G.main->name, tstr, cfgdir, BLENDER_STARTUP_FILE);
353                 } else {
354                         tstr[0] = '\0';
355                         from_memory = 1;
356                         if (op) {
357                                 BKE_report(op->reports, RPT_INFO, "Config directory with startup.blend file not found."); 
358                         }
359                 }
360         }
361         
362         /* prevent loading no UI */
363         G.fileflags &= ~G_FILE_NO_UI;
364         
365         /* put aside screens to match with persistant windows later */
366         wm_window_match_init(C, &wmbase); 
367         
368         if (!from_memory && BLI_exists(tstr)) {
369                 success = BKE_read_file(C, tstr, NULL);
370                 
371                 if(U.themes.first==NULL) {
372                         printf("\nError: No valid startup.blend, fall back to built-in default.\n\n");
373                         success = 0;
374                 }
375         }
376         if(success==0) {
377                 success = BKE_read_file_from_memory(C, datatoc_startup_blend, datatoc_startup_blend_size, NULL);
378                 if (wmbase.first == NULL) wm_clear_default_size(C);
379         }
380         
381         /* prevent buggy files that had G_FILE_RELATIVE_REMAP written out by mistake. Screws up autosaves otherwise
382          * can remove this eventually, only in a 2.53 and older, now its not written */
383         G.fileflags &= ~G_FILE_RELATIVE_REMAP;
384
385         /* match the read WM with current WM */
386         wm_window_match_do(C, &wmbase); 
387         WM_check(C); /* opens window(s), checks keymaps */
388
389         G.main->name[0]= '\0';
390
391         wm_init_userdef(C);
392         
393         /* When loading factory settings, the reset solid OpenGL lights need to be applied. */
394         if (!G.background) GPU_default_lights();
395         
396         /* XXX */
397         G.save_over = 0;        // start with save preference untitled.blend
398         G.fileflags &= ~G_FILE_AUTOPLAY;        /*  disable autoplay in startup.blend... */
399 //      mainwindow_set_filename_to_title("");   // empty string re-initializes title to "Blender"
400         
401 //      refresh_interface_font();
402         
403 //      undo_editmode_clear();
404         BKE_reset_undo();
405         BKE_write_undo(C, "original");  /* save current state */
406
407         ED_editors_init(C);
408         DAG_on_load_update(CTX_data_main(C));
409
410 #ifdef WITH_PYTHON
411         if(CTX_py_init_get(C)) {
412                 /* sync addons, these may have changed from the defaults */
413                 BPY_eval_string(C, "__import__('bpy').utils.addon_reset_all()");
414
415                 BPY_reset_driver();
416                 BPY_load_user_modules(C);
417         }
418 #endif
419         
420         WM_event_add_notifier(C, NC_WM|ND_FILEREAD, NULL);
421         CTX_wm_window_set(C, NULL); /* exits queues */
422
423         return OPERATOR_FINISHED;
424 }
425
426
427 void read_history(void)
428 {
429         char name[FILE_MAX];
430         LinkNode *l, *lines;
431         struct RecentFile *recent;
432         char *line;
433         int num;
434         char *cfgdir = BLI_get_folder(BLENDER_CONFIG, NULL);
435
436         if (!cfgdir) return;
437
438         BLI_make_file_string("/", name, cfgdir, BLENDER_HISTORY_FILE);
439
440         lines= BLI_read_file_as_lines(name);
441
442         G.recent_files.first = G.recent_files.last = NULL;
443
444         /* read list of recent opend files from recent-files.txt to memory */
445         for (l= lines, num= 0; l && (num<U.recent_files); l= l->next) {
446                 line = l->link;
447                 if (line[0] && BLI_exists(line)) {
448                         recent = (RecentFile*)MEM_mallocN(sizeof(RecentFile),"RecentFile");
449                         BLI_addtail(&(G.recent_files), recent);
450                         recent->filepath = (char*)MEM_mallocN(sizeof(char)*(strlen(line)+1), "name of file");
451                         recent->filepath[0] = '\0';
452                         
453                         strcpy(recent->filepath, line);
454                         num++;
455                 }
456         }
457         
458         BLI_free_file_lines(lines);
459
460 }
461
462 static void write_history(void)
463 {
464         struct RecentFile *recent, *next_recent;
465         char name[FILE_MAXDIR+FILE_MAXFILE];
466         char *user_config_dir;
467         FILE *fp;
468         int i;
469
470         /* will be NULL in background mode */
471         user_config_dir = BLI_get_folder_create(BLENDER_USER_CONFIG, NULL);
472         if(!user_config_dir)
473                 return;
474
475         BLI_make_file_string("/", name, user_config_dir, BLENDER_HISTORY_FILE);
476
477         recent = G.recent_files.first;
478         /* refresh recent-files.txt of recent opened files, when current file was changed */
479         if(!(recent) || (strcmp(recent->filepath, G.main->name)!=0)) {
480                 fp= fopen(name, "w");
481                 if (fp) {
482                         /* add current file to the beginning of list */
483                         recent = (RecentFile*)MEM_mallocN(sizeof(RecentFile),"RecentFile");
484                         recent->filepath = (char*)MEM_mallocN(sizeof(char)*(strlen(G.main->name)+1), "name of file");
485                         recent->filepath[0] = '\0';
486                         strcpy(recent->filepath, G.main->name);
487                         BLI_addhead(&(G.recent_files), recent);
488                         /* write current file to recent-files.txt */
489                         fprintf(fp, "%s\n", recent->filepath);
490                         recent = recent->next;
491                         i=1;
492                         /* write rest of recent opened files to recent-files.txt */
493                         while((i<U.recent_files) && (recent)){
494                                 /* this prevents to have duplicities in list */
495                                 if (strcmp(recent->filepath, G.main->name)!=0) {
496                                         fprintf(fp, "%s\n", recent->filepath);
497                                         recent = recent->next;
498                                 }
499                                 else {
500                                         next_recent = recent->next;
501                                         MEM_freeN(recent->filepath);
502                                         BLI_freelinkN(&(G.recent_files), recent);
503                                         recent = next_recent;
504                                 }
505                                 i++;
506                         }
507                         fclose(fp);
508                 }
509         }
510 }
511
512 static void do_history(char *name, ReportList *reports)
513 {
514         char tempname1[FILE_MAXDIR+FILE_MAXFILE], tempname2[FILE_MAXDIR+FILE_MAXFILE];
515         int hisnr= U.versions;
516         
517         if(U.versions==0) return;
518         if(strlen(name)<2) return;
519                 
520         while(hisnr > 1) {
521                 sprintf(tempname1, "%s%d", name, hisnr-1);
522                 sprintf(tempname2, "%s%d", name, hisnr);
523         
524                 if(BLI_rename(tempname1, tempname2))
525                         BKE_report(reports, RPT_ERROR, "Unable to make version backup");
526                         
527                 hisnr--;
528         }
529                 
530         /* is needed when hisnr==1 */
531         sprintf(tempname1, "%s%d", name, hisnr);
532         
533         if(BLI_rename(name, tempname1))
534                 BKE_report(reports, RPT_ERROR, "Unable to make version backup");
535 }
536
537 static ImBuf *blend_file_thumb(Scene *scene, int **thumb_pt)
538 {
539         /* will be scaled down, but gives some nice oversampling */
540         ImBuf *ibuf;
541         int *thumb;
542
543         *thumb_pt= NULL;
544         
545         if(G.background || scene->camera==NULL)
546                 return NULL;
547
548         /* gets scaled to BLEN_THUMB_SIZE */
549         ibuf= ED_view3d_draw_offscreen_imbuf_simple(scene, BLEN_THUMB_SIZE * 2, BLEN_THUMB_SIZE * 2, IB_rect, OB_SOLID);
550         
551         if(ibuf) {              
552                 float aspect= (scene->r.xsch*scene->r.xasp) / (scene->r.ysch*scene->r.yasp);
553
554                 /* dirty oversampling */
555                 IMB_scaleImBuf(ibuf, BLEN_THUMB_SIZE, BLEN_THUMB_SIZE);
556
557                 /* add pretty overlay */
558                 IMB_overlayblend_thumb(ibuf->rect, ibuf->x, ibuf->y, aspect);
559                 
560                 /* first write into thumb buffer */
561                 thumb= MEM_mallocN(((2 + (BLEN_THUMB_SIZE * BLEN_THUMB_SIZE))) * sizeof(int), "write_file thumb");
562
563                 thumb[0] = BLEN_THUMB_SIZE;
564                 thumb[1] = BLEN_THUMB_SIZE;
565
566                 memcpy(thumb + 2, ibuf->rect, BLEN_THUMB_SIZE * BLEN_THUMB_SIZE * sizeof(int));
567         }
568         else {
569                 /* '*thumb_pt' needs to stay NULL to prevent a bad thumbnail from being handled */
570                 thumb= NULL;
571         }
572         
573         /* must be freed by caller */
574         *thumb_pt= thumb;
575         
576         return ibuf;
577 }
578
579 /* easy access from gdb */
580 int write_crash_blend(void)
581 {
582         char path[FILE_MAX];
583         BLI_strncpy(path, G.main->name, sizeof(path));
584         BLI_replace_extension(path, sizeof(path), "_crash.blend");
585         if(BLO_write_file(G.main, path, G.fileflags, NULL, NULL)) {
586                 printf("written: %s\n", path);
587                 return 1;
588         }
589         else {
590                 printf("failed: %s\n", path);
591                 return 0;
592         }
593 }
594
595 int WM_write_file(bContext *C, const char *target, int fileflags, ReportList *reports, int copy)
596 {
597         Library *li;
598         int len;
599         char di[FILE_MAX];
600
601         int *thumb= NULL;
602         ImBuf *ibuf_thumb= NULL;
603
604         len = strlen(target);
605         
606         if (len == 0) {
607                 BKE_report(reports, RPT_ERROR, "Path is empty, cannot save");
608                 return -1;
609         }
610
611         if (len >= FILE_MAX) {
612                 BKE_report(reports, RPT_ERROR, "Path too long, cannot save");
613                 return -1;
614         }
615  
616         BLI_strncpy(di, target, FILE_MAX);
617         BLI_replace_extension(di, FILE_MAX, ".blend");
618         /* dont use 'target' anymore */
619         
620         /* send the OnSave event */
621         for (li= G.main->library.first; li; li= li->id.next) {
622                 if (strcmp(li->filepath, di) == 0) {
623                         BKE_reportf(reports, RPT_ERROR, "Can't overwrite used library '%f'", di);
624                         return -1;
625                 }
626         }
627
628         /* operator now handles overwrite checks */
629
630         if (G.fileflags & G_AUTOPACK) {
631                 packAll(G.main, reports);
632         }
633         
634         ED_object_exit_editmode(C, EM_DO_UNDO);
635         ED_sculpt_force_update(C);
636
637         /* blend file thumbnail */
638         ibuf_thumb= blend_file_thumb(CTX_data_scene(C), &thumb);
639
640         /* rename to .blend1, do this as last before write */
641         do_history(di, reports);
642
643         if (BLO_write_file(CTX_data_main(C), di, fileflags, reports, thumb)) {
644                 if(!copy) {
645                         G.relbase_valid = 1;
646                         strcpy(G.main->name, di);       /* is guaranteed current file */
647         
648                         G.save_over = 1; /* disable untitled.blend convention */
649                 }
650
651                 if(fileflags & G_FILE_COMPRESS) G.fileflags |= G_FILE_COMPRESS;
652                 else G.fileflags &= ~G_FILE_COMPRESS;
653                 
654                 if(fileflags & G_FILE_AUTOPLAY) G.fileflags |= G_FILE_AUTOPLAY;
655                 else G.fileflags &= ~G_FILE_AUTOPLAY;
656
657                 write_history();
658
659                 /* run this function after because the file cant be written before the blend is */
660                 if (ibuf_thumb) {
661                         ibuf_thumb= IMB_thumb_create(di, THB_NORMAL, THB_SOURCE_BLEND, ibuf_thumb);
662                         IMB_freeImBuf(ibuf_thumb);
663                 }
664
665                 if(thumb) MEM_freeN(thumb);
666         }
667         else {
668                 if(ibuf_thumb) IMB_freeImBuf(ibuf_thumb);
669                 if(thumb) MEM_freeN(thumb);
670                 return -1;
671         }
672
673 // XXX  waitcursor(0);
674         return 0;
675 }
676
677 /* operator entry */
678 int WM_write_homefile(bContext *C, wmOperator *op)
679 {
680         wmWindowManager *wm= CTX_wm_manager(C);
681         wmWindow *win= CTX_wm_window(C);
682         char tstr[FILE_MAXDIR+FILE_MAXFILE];
683         int fileflags;
684         
685         /* check current window and close it if temp */
686         if(win->screen->temp)
687                 wm_window_close(C, wm, win);
688         
689         BLI_make_file_string("/", tstr, BLI_get_folder_create(BLENDER_USER_CONFIG, NULL), BLENDER_STARTUP_FILE);
690         printf("trying to save homefile at %s ", tstr);
691         
692         /*  force save as regular blend file */
693         fileflags = G.fileflags & ~(G_FILE_COMPRESS | G_FILE_AUTOPLAY | G_FILE_LOCK | G_FILE_SIGN);
694
695         if(BLO_write_file(CTX_data_main(C), tstr, fileflags, op->reports, NULL) == 0) {
696                 printf("fail\n");
697                 return OPERATOR_CANCELLED;
698         }
699         
700         printf("ok\n");
701
702         G.save_over= 0;
703
704         return OPERATOR_FINISHED;
705 }
706
707 /************************ autosave ****************************/
708
709 void wm_autosave_location(char *filename)
710 {
711         char pidstr[32];
712 #ifdef WIN32
713         char *savedir;
714 #endif
715
716         sprintf(pidstr, "%d.blend", abs(getpid()));
717         
718 #ifdef WIN32
719         /* XXX Need to investigate how to handle default location of '/tmp/'
720          * This is a relative directory on Windows, and it may be
721          * found. Example:
722          * Blender installed on D:\ drive, D:\ drive has D:\tmp\
723          * Now, BLI_exists() will find '/tmp/' exists, but
724          * BLI_make_file_string will create string that has it most likely on C:\
725          * through get_default_root().
726          * If there is no C:\tmp autosave fails. */
727         if (!BLI_exists(U.tempdir)) {
728                 savedir = BLI_get_folder_create(BLENDER_USER_AUTOSAVE, NULL);
729                 BLI_make_file_string("/", filename, savedir, pidstr);
730                 return;
731         }
732 #endif
733         
734         BLI_make_file_string("/", filename, U.tempdir, pidstr);
735 }
736
737 void WM_autosave_init(wmWindowManager *wm)
738 {
739         wm_autosave_timer_ended(wm);
740
741         if(U.flag & USER_AUTOSAVE)
742                 wm->autosavetimer= WM_event_add_timer(wm, NULL, TIMERAUTOSAVE, U.savetime*60.0);
743 }
744
745 void wm_autosave_timer(const bContext *C, wmWindowManager *wm, wmTimer *UNUSED(wt))
746 {
747         wmWindow *win;
748         wmEventHandler *handler;
749         char filename[FILE_MAX];
750         int fileflags;
751
752         WM_event_remove_timer(wm, NULL, wm->autosavetimer);
753
754         /* if a modal operator is running, don't autosave, but try again in 10 seconds */
755         for(win=wm->windows.first; win; win=win->next) {
756                 for(handler=win->modalhandlers.first; handler; handler=handler->next) {
757                         if(handler->op) {
758                                 wm->autosavetimer= WM_event_add_timer(wm, NULL, TIMERAUTOSAVE, 10.0);
759                                 return;
760                         }
761                 }
762         }
763         
764         wm_autosave_location(filename);
765
766         /*  force save as regular blend file */
767         fileflags = G.fileflags & ~(G_FILE_COMPRESS|G_FILE_AUTOPLAY |G_FILE_LOCK|G_FILE_SIGN);
768
769         /* no error reporting to console */
770         BLO_write_file(CTX_data_main(C), filename, fileflags, NULL, NULL);
771
772         /* do timer after file write, just in case file write takes a long time */
773         wm->autosavetimer= WM_event_add_timer(wm, NULL, TIMERAUTOSAVE, U.savetime*60.0);
774 }
775
776 void wm_autosave_timer_ended(wmWindowManager *wm)
777 {
778         if(wm->autosavetimer) {
779                 WM_event_remove_timer(wm, NULL, wm->autosavetimer);
780                 wm->autosavetimer= NULL;
781         }
782 }
783
784 void wm_autosave_delete(void)
785 {
786         char filename[FILE_MAX];
787         
788         wm_autosave_location(filename);
789
790         if(BLI_exists(filename)) {
791                 char str[FILE_MAXDIR+FILE_MAXFILE];
792                 BLI_make_file_string("/", str, U.tempdir, "quit.blend");
793
794                 /* if global undo; remove tempsave, otherwise rename */
795                 if(U.uiflag & USER_GLOBALUNDO) BLI_delete(filename, 0, 0);
796                 else BLI_rename(filename, str);
797         }
798 }
799
800 void wm_autosave_read(bContext *C, ReportList *reports)
801 {
802         char filename[FILE_MAX];
803
804         wm_autosave_location(filename);
805         WM_read_file(C, filename, reports);
806 }
807