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