Merged changes in the trunk up to revision 43881.
[blender.git] / source / blender / windowmanager / intern / wm_files.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version. 
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
19  * All rights reserved.
20  *
21  * Contributor(s): Blender Foundation 2007
22  *
23  * ***** END GPL LICENSE BLOCK *****
24  */
25
26 /** \file blender/windowmanager/intern/wm_files.c
27  *  \ingroup wm
28  */
29
30
31         /* placed up here because of crappy
32          * winsock stuff.
33          */
34 #include <stddef.h>
35 #include <string.h>
36 #include <errno.h>
37
38 #include "zlib.h" /* wm_read_exotic() */
39
40 #ifdef WIN32
41 #include <windows.h> /* need to include windows.h so _WIN32_IE is defined  */
42 #ifndef _WIN32_IE
43 #define _WIN32_IE 0x0400 /* minimal requirements for SHGetSpecialFolderPath on MINGW MSVC has this defined already */
44 #endif
45 #include <shlobj.h> /* for SHGetSpecialFolderPath, has to be done before BLI_winstuff because 'near' is disabled through BLI_windstuff */
46 #include <process.h> /* getpid */
47 #include "BLI_winstuff.h"
48 #else
49 #include <unistd.h> /* getpid */
50 #endif
51
52 #include "MEM_guardedalloc.h"
53 #include "MEM_CacheLimiterC-Api.h"
54
55 #include "BLI_blenlib.h"
56 #include "BLI_linklist.h"
57 #include "BLI_utildefines.h"
58 #include "BLI_callbacks.h"
59
60 #include "BLF_translation.h"
61
62 #include "DNA_anim_types.h"
63 #include "DNA_ipo_types.h" // XXX old animation system
64 #include "DNA_object_types.h"
65 #include "DNA_space_types.h"
66 #include "DNA_userdef_types.h"
67 #include "DNA_scene_types.h"
68 #include "DNA_screen_types.h"
69 #include "DNA_windowmanager_types.h"
70
71 #include "BKE_blender.h"
72 #include "BKE_context.h"
73 #include "BKE_depsgraph.h"
74 #include "BKE_DerivedMesh.h"
75 #include "BKE_font.h"
76 #include "BKE_global.h"
77 #include "BKE_library.h"
78 #include "BKE_main.h"
79 #include "BKE_packedFile.h"
80 #include "BKE_report.h"
81 #include "BKE_sound.h"
82 #include "BKE_texture.h"
83
84
85 #include "BLO_readfile.h"
86 #include "BLO_writefile.h"
87
88 #include "RNA_access.h"
89
90 #include "IMB_imbuf.h"
91 #include "IMB_imbuf_types.h"
92 #include "IMB_thumbs.h"
93
94 #include "ED_datafiles.h"
95 #include "ED_object.h"
96 #include "ED_screen.h"
97 #include "ED_sculpt.h"
98 #include "ED_view3d.h"
99 #include "ED_util.h"
100
101 #include "RE_pipeline.h" /* only to report missing engine */
102
103 #include "GHOST_C-api.h"
104 #include "GHOST_Path-api.h"
105
106 #include "UI_interface.h"
107
108 #include "GPU_draw.h"
109
110 #ifdef WITH_PYTHON
111 #include "BPY_extern.h"
112 #endif
113
114 #include "FRS_freestyle.h"
115
116 #include "WM_api.h"
117 #include "WM_types.h"
118 #include "wm.h"
119 #include "wm_files.h"
120 #include "wm_window.h"
121 #include "wm_event_system.h"
122
123 static void write_history(void);
124
125 /* To be able to read files without windows closing, opening, moving 
126    we try to prepare for worst case:
127    - active window gets active screen from file 
128    - restoring the screens from non-active windows 
129    Best case is all screens match, in that case they get assigned to proper window  
130 */
131 static void wm_window_match_init(bContext *C, ListBase *wmlist)
132 {
133         wmWindowManager *wm;
134         wmWindow *win, *active_win;
135         
136         *wmlist= G.main->wm;
137         G.main->wm.first= G.main->wm.last= NULL;
138         
139         active_win = CTX_wm_window(C);
140
141         /* first wrap up running stuff */
142         /* code copied from wm_init_exit.c */
143         for(wm= wmlist->first; wm; wm= wm->id.next) {
144                 
145                 WM_jobs_stop_all(wm);
146                 
147                 for(win= wm->windows.first; win; win= win->next) {
148                 
149                         CTX_wm_window_set(C, win);      /* needed by operator close callbacks */
150                         WM_event_remove_handlers(C, &win->handlers);
151                         WM_event_remove_handlers(C, &win->modalhandlers);
152                         ED_screen_exit(C, win, win->screen);
153                 }
154         }
155         
156         /* reset active window */
157         CTX_wm_window_set(C, active_win);
158
159         ED_editors_exit(C);
160
161         /* just had return; here from r12991, this code could just get removed?*/
162 #if 0
163         if(wm==NULL) return;
164         if(G.fileflags & G_FILE_NO_UI) return;
165         
166         /* we take apart the used screens from non-active window */
167         for(win= wm->windows.first; win; win= win->next) {
168                 BLI_strncpy(win->screenname, win->screen->id.name, MAX_ID_NAME);
169                 if(win!=wm->winactive) {
170                         BLI_remlink(&G.main->screen, win->screen);
171                         //BLI_addtail(screenbase, win->screen);
172                 }
173         }
174 #endif
175 }
176
177 /* match old WM with new, 4 cases:
178   1- no current wm, no read wm: make new default
179   2- no current wm, but read wm: that's OK, do nothing
180   3- current wm, but not in file: try match screen names
181   4- current wm, and wm in file: try match ghostwin 
182 */
183
184 static void wm_window_match_do(bContext *C, ListBase *oldwmlist)
185 {
186         wmWindowManager *oldwm, *wm;
187         wmWindow *oldwin, *win;
188         
189         /* cases 1 and 2 */
190         if(oldwmlist->first==NULL) {
191                 if(G.main->wm.first); /* nothing todo */
192                 else
193                         wm_add_default(C);
194         }
195         else {
196                 /* cases 3 and 4 */
197                 
198                 /* we've read file without wm..., keep current one entirely alive */
199                 if(G.main->wm.first==NULL) {
200                         bScreen *screen= NULL;
201
202                         /* when loading without UI, no matching needed */
203                         if(!(G.fileflags & G_FILE_NO_UI) && (screen= CTX_wm_screen(C))) {
204
205                                 /* match oldwm to new dbase, only old files */
206                                 for(wm= oldwmlist->first; wm; wm= wm->id.next) {
207                                         
208                                         for(win= wm->windows.first; win; win= win->next) {
209                                                 /* all windows get active screen from file */
210                                                 if(screen->winid==0)
211                                                         win->screen= screen;
212                                                 else 
213                                                         win->screen= ED_screen_duplicate(win, screen);
214                                                 
215                                                 BLI_strncpy(win->screenname, win->screen->id.name+2, sizeof(win->screenname));
216                                                 win->screen->winid= win->winid;
217                                         }
218                                 }
219                         }
220                         
221                         G.main->wm= *oldwmlist;
222                         
223                         /* screens were read from file! */
224                         ED_screens_initialize(G.main->wm.first);
225                 }
226                 else {
227                         /* what if old was 3, and loaded 1? */
228                         /* this code could move to setup_appdata */
229                         oldwm= oldwmlist->first;
230                         wm= G.main->wm.first;
231
232                         /* preserve key configurations in new wm, to preserve their keymaps */
233                         wm->keyconfigs= oldwm->keyconfigs;
234                         wm->addonconf= oldwm->addonconf;
235                         wm->defaultconf= oldwm->defaultconf;
236                         wm->userconf= oldwm->userconf;
237
238                         oldwm->keyconfigs.first= oldwm->keyconfigs.last= NULL;
239                         oldwm->addonconf= NULL;
240                         oldwm->defaultconf= NULL;
241                         oldwm->userconf= NULL;
242
243                         /* ensure making new keymaps and set space types */
244                         wm->initialized= 0;
245                         wm->winactive= NULL;
246                         
247                         /* only first wm in list has ghostwins */
248                         for(win= wm->windows.first; win; win= win->next) {
249                                 for(oldwin= oldwm->windows.first; oldwin; oldwin= oldwin->next) {
250                                         
251                                         if(oldwin->winid == win->winid ) {
252                                                 win->ghostwin= oldwin->ghostwin;
253                                                 win->active= oldwin->active;
254                                                 if(win->active)
255                                                         wm->winactive= win;
256
257                                                 if(!G.background) /* file loading in background mode still calls this */
258                                                         GHOST_SetWindowUserData(win->ghostwin, win);    /* pointer back */
259
260                                                 oldwin->ghostwin= NULL;
261                                                 
262                                                 win->eventstate= oldwin->eventstate;
263                                                 oldwin->eventstate= NULL;
264                                                 
265                                                 /* ensure proper screen rescaling */
266                                                 win->sizex= oldwin->sizex;
267                                                 win->sizey= oldwin->sizey;
268                                                 win->posx= oldwin->posx;
269                                                 win->posy= oldwin->posy;
270                                         }
271                                 }
272                         }
273                         wm_close_and_free_all(C, oldwmlist);
274                 }
275         }
276 }
277
278 /* in case UserDef was read, we re-initialize all, and do versioning */
279 static void wm_init_userdef(bContext *C)
280 {
281         UI_init_userdef();
282         MEM_CacheLimiter_set_maximum(((size_t)U.memcachelimit) * 1024 * 1024);
283         sound_init(CTX_data_main(C));
284
285         /* needed so loading a file from the command line respects user-pref [#26156] */
286         if(U.flag & USER_FILENOUI)      G.fileflags |= G_FILE_NO_UI;
287         else                                            G.fileflags &= ~G_FILE_NO_UI;
288
289         /* set the python auto-execute setting from user prefs */
290         /* enabled by default, unless explicitly enabled in the command line which overrides */
291         if((G.f & G_SCRIPT_OVERRIDE_PREF) == 0) {
292                 if ((U.flag & USER_SCRIPT_AUTOEXEC_DISABLE) == 0) G.f |=  G_SCRIPT_AUTOEXEC;
293                 else                                                                                      G.f &= ~G_SCRIPT_AUTOEXEC;
294         }
295
296         /* update tempdir from user preferences */
297         BLI_init_temporary_dir(U.tempdir);
298 }
299
300
301
302 /* return codes */
303 #define BKE_READ_EXOTIC_FAIL_PATH               -3 /* file format is not supported */
304 #define BKE_READ_EXOTIC_FAIL_FORMAT             -2 /* file format is not supported */
305 #define BKE_READ_EXOTIC_FAIL_OPEN               -1 /* Can't open the file */
306 #define BKE_READ_EXOTIC_OK_BLEND                 0 /* .blend file */
307 #define BKE_READ_EXOTIC_OK_OTHER                 1 /* other supported formats */
308
309 /* intended to check for non-blender formats but for now it only reads blends */
310 static int wm_read_exotic(Scene *UNUSED(scene), const char *name)
311 {
312         int len;
313         gzFile gzfile;
314         char header[7];
315         int retval;
316
317         // make sure we're not trying to read a directory....
318
319         len= strlen(name);
320         if (ELEM(name[len-1], '/', '\\')) {
321                 retval= BKE_READ_EXOTIC_FAIL_PATH;
322         }
323         else {
324                 gzfile = gzopen(name,"rb");
325
326                 if (gzfile == NULL) {
327                         retval= BKE_READ_EXOTIC_FAIL_OPEN;
328                 }
329                 else {
330                         len= gzread(gzfile, header, sizeof(header));
331                         gzclose(gzfile);
332                         if (len == sizeof(header) && strncmp(header, "BLENDER", 7) == 0) {
333                                 retval= BKE_READ_EXOTIC_OK_BLEND;
334                         }
335                         else {
336                                 //XXX waitcursor(1);
337                                 /*
338                                 if(is_foo_format(name)) {
339                                         read_foo(name);
340                                         retval= BKE_READ_EXOTIC_OK_OTHER;
341                                 }
342                                 else
343                                  */
344                                 {
345                                         retval= BKE_READ_EXOTIC_FAIL_FORMAT;
346                                 }
347                                 //XXX waitcursor(0);
348                         }
349                 }
350         }
351
352         return retval;
353 }
354
355 void WM_read_file(bContext *C, const char *filepath, ReportList *reports)
356 {
357         int retval;
358
359         /* so we can get the error message */
360         errno = 0;
361
362         WM_cursor_wait(1);
363
364         BLI_exec_cb(CTX_data_main(C), NULL, BLI_CB_EVT_LOAD_PRE);
365
366         /* first try to append data from exotic file formats... */
367         /* it throws error box when file doesn't exist and returns -1 */
368         /* note; it should set some error message somewhere... (ton) */
369         retval= wm_read_exotic(CTX_data_scene(C), filepath);
370         
371         /* we didn't succeed, now try to read Blender file */
372         if (retval == BKE_READ_EXOTIC_OK_BLEND) {
373                 int G_f= G.f;
374                 ListBase wmbase;
375
376                 /* put aside screens to match with persistent windows later */
377                 /* also exit screens and editors */
378                 wm_window_match_init(C, &wmbase); 
379                 
380                 retval= BKE_read_file(C, filepath, reports);
381                 G.save_over = 1;
382
383                 /* this flag is initialized by the operator but overwritten on read.
384                  * need to re-enable it here else drivers + registered scripts wont work. */
385                 if(G.f != G_f) {
386                         const int flags_keep= (G_SCRIPT_AUTOEXEC | G_SCRIPT_OVERRIDE_PREF);
387                         G.f= (G.f & ~flags_keep) | (G_f & flags_keep);
388                 }
389
390                 /* match the read WM with current WM */
391                 wm_window_match_do(C, &wmbase);
392                 WM_check(C); /* opens window(s), checks keymaps */
393                 
394 // XXX          mainwindow_set_filename_to_title(G.main->name);
395
396                 if(retval == BKE_READ_FILE_OK_USERPREFS) wm_init_userdef(C);    // in case a userdef is read from regular .blend
397                 
398                 if (retval != BKE_READ_FILE_FAIL) {
399                         G.relbase_valid = 1;
400                         if(!G.background) /* assume automated tasks with background, dont write recent file list */
401                                 write_history();
402                 }
403
404
405                 WM_event_add_notifier(C, NC_WM|ND_FILEREAD, NULL);
406 //              refresh_interface_font();
407
408                 CTX_wm_window_set(C, CTX_wm_manager(C)->windows.first);
409
410                 ED_editors_init(C);
411                 DAG_on_visible_update(CTX_data_main(C), TRUE);
412
413 #ifdef WITH_PYTHON
414                 /* run any texts that were loaded in and flagged as modules */
415                 BPY_driver_reset();
416                 BPY_app_handlers_reset(FALSE);
417                 BPY_modules_load_user(C);
418 #endif
419                 FRS_read_file(C);
420
421                 /* important to do before NULL'ing the context */
422                 BLI_exec_cb(CTX_data_main(C), NULL, BLI_CB_EVT_LOAD_POST);
423
424                 CTX_wm_window_set(C, NULL); /* exits queues */
425
426 #if 0   /* gives popups on windows but not linux, bug in report API but disable for now to stop users getting annoyed  */
427                 /* TODO, make this show in header info window */
428                 {
429                         Scene *sce;
430                         for(sce= G.main->scene.first; sce; sce= sce->id.next) {
431                                 if(sce->r.engine[0] && BLI_findstring(&R_engines, sce->r.engine, offsetof(RenderEngineType, idname)) == NULL) {
432                                         BKE_reportf(reports, RPT_WARNING, "Engine not available: '%s' for scene: %s, an addon may need to be installed or enabled", sce->r.engine, sce->id.name+2);
433                                 }
434                         }
435                 }
436 #endif
437
438                 // XXX          undo_editmode_clear();
439                 BKE_reset_undo();
440                 BKE_write_undo(C, "original");  /* save current state */
441         }
442         else if(retval == BKE_READ_EXOTIC_OK_OTHER)
443                 BKE_write_undo(C, "Import file");
444         else if(retval == BKE_READ_EXOTIC_FAIL_OPEN) {
445                 BKE_reportf(reports, RPT_ERROR, IFACE_("Can't read file: \"%s\", %s."), filepath,
446                                 errno ? strerror(errno) : IFACE_("Unable to open the file"));
447         }
448         else if(retval == BKE_READ_EXOTIC_FAIL_FORMAT) {
449                 BKE_reportf(reports, RPT_ERROR, IFACE_("File format is not supported in file: \"%s\"."), filepath);
450         }
451         else if(retval == BKE_READ_EXOTIC_FAIL_PATH) {
452                 BKE_reportf(reports, RPT_ERROR, IFACE_("File path invalid: \"%s\"."), filepath);
453         }
454         else {
455                 BKE_reportf(reports, RPT_ERROR, IFACE_("Unknown error loading: \"%s\"."), filepath);
456                 BLI_assert(!"invalid 'retval'");
457         }
458
459         WM_cursor_wait(0);
460
461 }
462
463
464 /* called on startup,  (context entirely filled with NULLs) */
465 /* or called for 'New File' */
466 /* op can be NULL */
467 int WM_read_homefile(bContext *C, ReportList *UNUSED(reports), short from_memory)
468 {
469         ListBase wmbase;
470         char tstr[FILE_MAX];
471         int success= 0;
472         
473         free_ttfont(); /* still weird... what does it here? */
474                 
475         G.relbase_valid = 0;
476         if (!from_memory) {
477                 char *cfgdir = BLI_get_folder(BLENDER_USER_CONFIG, NULL);
478                 if (cfgdir) {
479                         BLI_make_file_string(G.main->name, tstr, cfgdir, BLENDER_STARTUP_FILE);
480                 } else {
481                         tstr[0] = '\0';
482                         from_memory = 1;
483                 }
484         }
485         
486         /* prevent loading no UI */
487         G.fileflags &= ~G_FILE_NO_UI;
488         
489         /* put aside screens to match with persistent windows later */
490         wm_window_match_init(C, &wmbase); 
491         
492         if (!from_memory && BLI_exists(tstr)) {
493                 success = (BKE_read_file(C, tstr, NULL) != BKE_READ_FILE_FAIL);
494                 
495                 if(U.themes.first==NULL) {
496                         printf("\nError: No valid "STRINGIFY(BLENDER_STARTUP_FILE)", fall back to built-in default.\n\n");
497                         success = 0;
498                 }
499         }
500         if(success==0) {
501                 success = BKE_read_file_from_memory(C, datatoc_startup_blend, datatoc_startup_blend_size, NULL);
502                 if (wmbase.first == NULL) wm_clear_default_size(C);
503
504 #ifdef WITH_PYTHON_SECURITY /* not default */
505                 /* use alternative setting for security nuts
506                  * otherwise we'd need to patch the binary blob - startup.blend.c */
507                 U.flag |= USER_SCRIPT_AUTOEXEC_DISABLE;
508 #endif
509         }
510         
511         /* prevent buggy files that had G_FILE_RELATIVE_REMAP written out by mistake. Screws up autosaves otherwise
512          * can remove this eventually, only in a 2.53 and older, now its not written */
513         G.fileflags &= ~G_FILE_RELATIVE_REMAP;
514         
515         /* check userdef before open window, keymaps etc */
516         wm_init_userdef(C);
517         
518         /* match the read WM with current WM */
519         wm_window_match_do(C, &wmbase); 
520         WM_check(C); /* opens window(s), checks keymaps */
521
522         G.main->name[0]= '\0';
523
524         /* When loading factory settings, the reset solid OpenGL lights need to be applied. */
525         if (!G.background) GPU_default_lights();
526         
527         /* XXX */
528         G.save_over = 0;        // start with save preference untitled.blend
529         G.fileflags &= ~G_FILE_AUTOPLAY;        /*  disable autoplay in startup.blend... */
530 //      mainwindow_set_filename_to_title("");   // empty string re-initializes title to "Blender"
531         
532 //      refresh_interface_font();
533         
534 //      undo_editmode_clear();
535         BKE_reset_undo();
536         BKE_write_undo(C, "original");  /* save current state */
537
538         ED_editors_init(C);
539         DAG_on_visible_update(CTX_data_main(C), TRUE);
540
541 #ifdef WITH_PYTHON
542         if(CTX_py_init_get(C)) {
543                 /* sync addons, these may have changed from the defaults */
544                 BPY_string_exec(C, "__import__('addon_utils').reset_all()");
545
546                 BPY_driver_reset();
547                 BPY_app_handlers_reset(FALSE);
548                 BPY_modules_load_user(C);
549         }
550 #endif
551
552         WM_event_add_notifier(C, NC_WM|ND_FILEREAD, NULL);
553
554         /* in background mode the scene will stay NULL */
555         if(!G.background) {
556                 CTX_wm_window_set(C, NULL); /* exits queues */
557         }
558
559         return TRUE;
560 }
561
562 int WM_read_homefile_exec(bContext *C, wmOperator *op)
563 {
564         int from_memory= strcmp(op->type->idname, "WM_OT_read_factory_settings") == 0;
565         return WM_read_homefile(C, op->reports, from_memory) ? OPERATOR_FINISHED : OPERATOR_CANCELLED;
566 }
567
568 void WM_read_history(void)
569 {
570         char name[FILE_MAX];
571         LinkNode *l, *lines;
572         struct RecentFile *recent;
573         char *line;
574         int num;
575         char *cfgdir = BLI_get_folder(BLENDER_USER_CONFIG, NULL);
576
577         if (!cfgdir) return;
578
579         BLI_make_file_string("/", name, cfgdir, BLENDER_HISTORY_FILE);
580
581         lines= BLI_file_read_as_lines(name);
582
583         G.recent_files.first = G.recent_files.last = NULL;
584
585         /* read list of recent opened files from recent-files.txt to memory */
586         for (l= lines, num= 0; l && (num<U.recent_files); l= l->next) {
587                 line = l->link;
588                 if (line[0] && BLI_exists(line)) {
589                         recent = (RecentFile*)MEM_mallocN(sizeof(RecentFile),"RecentFile");
590                         BLI_addtail(&(G.recent_files), recent);
591                         recent->filepath = BLI_strdup(line);
592                         num++;
593                 }
594         }
595         
596         BLI_file_free_lines(lines);
597
598 }
599
600 static void write_history(void)
601 {
602         struct RecentFile *recent, *next_recent;
603         char name[FILE_MAX];
604         char *user_config_dir;
605         FILE *fp;
606         int i;
607
608         /* will be NULL in background mode */
609         user_config_dir = BLI_get_folder_create(BLENDER_USER_CONFIG, NULL);
610         if(!user_config_dir)
611                 return;
612
613         BLI_make_file_string("/", name, user_config_dir, BLENDER_HISTORY_FILE);
614
615         recent = G.recent_files.first;
616         /* refresh recent-files.txt of recent opened files, when current file was changed */
617         if(!(recent) || (BLI_path_cmp(recent->filepath, G.main->name)!=0)) {
618                 fp= fopen(name, "w");
619                 if (fp) {
620                         /* add current file to the beginning of list */
621                         recent = (RecentFile*)MEM_mallocN(sizeof(RecentFile),"RecentFile");
622                         recent->filepath = BLI_strdup(G.main->name);
623                         BLI_addhead(&(G.recent_files), recent);
624                         /* write current file to recent-files.txt */
625                         fprintf(fp, "%s\n", recent->filepath);
626                         recent = recent->next;
627                         i=1;
628                         /* write rest of recent opened files to recent-files.txt */
629                         while((i<U.recent_files) && (recent)){
630                                 /* this prevents to have duplicities in list */
631                                 if (BLI_path_cmp(recent->filepath, G.main->name)!=0) {
632                                         fprintf(fp, "%s\n", recent->filepath);
633                                         recent = recent->next;
634                                 }
635                                 else {
636                                         next_recent = recent->next;
637                                         MEM_freeN(recent->filepath);
638                                         BLI_freelinkN(&(G.recent_files), recent);
639                                         recent = next_recent;
640                                 }
641                                 i++;
642                         }
643                         fclose(fp);
644                 }
645
646                 /* also update most recent files on System */
647                 GHOST_addToSystemRecentFiles(G.main->name);
648         }
649 }
650
651 static ImBuf *blend_file_thumb(Scene *scene, int **thumb_pt)
652 {
653         /* will be scaled down, but gives some nice oversampling */
654         ImBuf *ibuf;
655         int *thumb;
656         char err_out[256]= "unknown";
657
658         *thumb_pt= NULL;
659
660         /* scene can be NULL if running a script at startup and calling the save operator */
661         if(G.background || scene==NULL || scene->camera==NULL)
662                 return NULL;
663
664         /* gets scaled to BLEN_THUMB_SIZE */
665         ibuf= ED_view3d_draw_offscreen_imbuf_simple(scene, scene->camera, BLEN_THUMB_SIZE * 2, BLEN_THUMB_SIZE * 2, IB_rect, OB_SOLID, err_out);
666         
667         if(ibuf) {              
668                 float aspect= (scene->r.xsch*scene->r.xasp) / (scene->r.ysch*scene->r.yasp);
669
670                 /* dirty oversampling */
671                 IMB_scaleImBuf(ibuf, BLEN_THUMB_SIZE, BLEN_THUMB_SIZE);
672
673                 /* add pretty overlay */
674                 IMB_overlayblend_thumb(ibuf->rect, ibuf->x, ibuf->y, aspect);
675                 
676                 /* first write into thumb buffer */
677                 thumb= MEM_mallocN(((2 + (BLEN_THUMB_SIZE * BLEN_THUMB_SIZE))) * sizeof(int), "write_file thumb");
678
679                 thumb[0] = BLEN_THUMB_SIZE;
680                 thumb[1] = BLEN_THUMB_SIZE;
681
682                 memcpy(thumb + 2, ibuf->rect, BLEN_THUMB_SIZE * BLEN_THUMB_SIZE * sizeof(int));
683         }
684         else {
685                 /* '*thumb_pt' needs to stay NULL to prevent a bad thumbnail from being handled */
686                 fprintf(stderr, "blend_file_thumb failed to create thumbnail: %s\n", err_out);
687                 thumb= NULL;
688         }
689         
690         /* must be freed by caller */
691         *thumb_pt= thumb;
692         
693         return ibuf;
694 }
695
696 /* easy access from gdb */
697 int write_crash_blend(void)
698 {
699         char path[FILE_MAX];
700         int fileflags = G.fileflags & ~(G_FILE_HISTORY); /* don't do file history on crash file */
701
702         BLI_strncpy(path, G.main->name, sizeof(path));
703         BLI_replace_extension(path, sizeof(path), "_crash.blend");
704         if(BLO_write_file(G.main, path, fileflags, NULL, NULL)) {
705                 printf("written: %s\n", path);
706                 return 1;
707         }
708         else {
709                 printf("failed: %s\n", path);
710                 return 0;
711         }
712 }
713
714 int WM_write_file(bContext *C, const char *target, int fileflags, ReportList *reports, int copy)
715 {
716         Library *li;
717         int len;
718         char filepath[FILE_MAX];
719
720         int *thumb= NULL;
721         ImBuf *ibuf_thumb= NULL;
722
723         len = strlen(target);
724         
725         if (len == 0) {
726                 BKE_report(reports, RPT_ERROR, "Path is empty, cannot save");
727                 return -1;
728         }
729
730         if (len >= FILE_MAX) {
731                 BKE_report(reports, RPT_ERROR, "Path too long, cannot save");
732                 return -1;
733         }
734  
735         BLI_strncpy(filepath, target, FILE_MAX);
736         BLI_replace_extension(filepath, FILE_MAX, ".blend");
737         /* dont use 'target' anymore */
738         
739         /* send the OnSave event */
740         for (li= G.main->library.first; li; li= li->id.next) {
741                 if (BLI_path_cmp(li->filepath, filepath) == 0) {
742                         BKE_reportf(reports, RPT_ERROR, "Can't overwrite used library '%.240s'", filepath);
743                         return -1;
744                 }
745         }
746
747         /* blend file thumbnail */
748         /* save before exit_editmode, otherwise derivedmeshes for shared data corrupt #27765) */
749         if(U.flag & USER_SAVE_PREVIEWS) {
750                 ibuf_thumb= blend_file_thumb(CTX_data_scene(C), &thumb);
751         }
752
753         BLI_exec_cb(G.main, NULL, BLI_CB_EVT_SAVE_PRE);
754
755         /* operator now handles overwrite checks */
756
757         if (G.fileflags & G_AUTOPACK) {
758                 packAll(G.main, reports);
759         }
760         
761         ED_object_exit_editmode(C, EM_DO_UNDO);
762         ED_sculpt_force_update(C);
763
764         /* don't forget not to return without! */
765         WM_cursor_wait(1);
766         
767         fileflags |= G_FILE_HISTORY; /* write file history */
768
769         if (BLO_write_file(CTX_data_main(C), filepath, fileflags, reports, thumb)) {
770                 if(!copy) {
771                         G.relbase_valid = 1;
772                         BLI_strncpy(G.main->name, filepath, sizeof(G.main->name));      /* is guaranteed current file */
773         
774                         G.save_over = 1; /* disable untitled.blend convention */
775                 }
776
777                 if(fileflags & G_FILE_COMPRESS) G.fileflags |= G_FILE_COMPRESS;
778                 else G.fileflags &= ~G_FILE_COMPRESS;
779                 
780                 if(fileflags & G_FILE_AUTOPLAY) G.fileflags |= G_FILE_AUTOPLAY;
781                 else G.fileflags &= ~G_FILE_AUTOPLAY;
782
783                 /* prevent background mode scripts from clobbering history */
784                 if(!G.background) {
785                         write_history();
786                 }
787
788                 BLI_exec_cb(G.main, NULL, BLI_CB_EVT_SAVE_POST);
789
790                 /* run this function after because the file cant be written before the blend is */
791                 if (ibuf_thumb) {
792                         ibuf_thumb= IMB_thumb_create(filepath, THB_NORMAL, THB_SOURCE_BLEND, ibuf_thumb);
793                         IMB_freeImBuf(ibuf_thumb);
794                 }
795
796                 if(thumb) MEM_freeN(thumb);
797         }
798         else {
799                 if(ibuf_thumb) IMB_freeImBuf(ibuf_thumb);
800                 if(thumb) MEM_freeN(thumb);
801                 
802                 WM_cursor_wait(0);
803                 return -1;
804         }
805
806         WM_cursor_wait(0);
807         
808         return 0;
809 }
810
811 /* operator entry */
812 int WM_write_homefile(bContext *C, wmOperator *op)
813 {
814         wmWindowManager *wm= CTX_wm_manager(C);
815         wmWindow *win= CTX_wm_window(C);
816         char filepath[FILE_MAX];
817         int fileflags;
818
819         /* check current window and close it if temp */
820         if(win->screen->temp)
821                 wm_window_close(C, wm, win);
822         
823         /* update keymaps in user preferences */
824         WM_keyconfig_update(wm);
825         
826         BLI_make_file_string("/", filepath, BLI_get_folder_create(BLENDER_USER_CONFIG, NULL), BLENDER_STARTUP_FILE);
827         printf("trying to save homefile at %s ", filepath);
828         
829         /*  force save as regular blend file */
830         fileflags = G.fileflags & ~(G_FILE_COMPRESS | G_FILE_AUTOPLAY | G_FILE_LOCK | G_FILE_SIGN | G_FILE_HISTORY);
831
832         if(BLO_write_file(CTX_data_main(C), filepath, fileflags, op->reports, NULL) == 0) {
833                 printf("fail\n");
834                 return OPERATOR_CANCELLED;
835         }
836         
837         printf("ok\n");
838
839         G.save_over= 0;
840
841         return OPERATOR_FINISHED;
842 }
843
844 /************************ autosave ****************************/
845
846 void wm_autosave_location(char *filepath)
847 {
848         char pidstr[32];
849 #ifdef WIN32
850         char *savedir;
851 #endif
852
853         BLI_snprintf(pidstr, sizeof(pidstr), "%d.blend", abs(getpid()));
854
855 #ifdef WIN32
856         /* XXX Need to investigate how to handle default location of '/tmp/'
857          * This is a relative directory on Windows, and it may be
858          * found. Example:
859          * Blender installed on D:\ drive, D:\ drive has D:\tmp\
860          * Now, BLI_exists() will find '/tmp/' exists, but
861          * BLI_make_file_string will create string that has it most likely on C:\
862          * through get_default_root().
863          * If there is no C:\tmp autosave fails. */
864         if (!BLI_exists(BLI_temporary_dir())) {
865                 savedir = BLI_get_folder_create(BLENDER_USER_AUTOSAVE, NULL);
866                 BLI_make_file_string("/", filepath, savedir, pidstr);
867                 return;
868         }
869 #endif
870
871         BLI_make_file_string("/", filepath, BLI_temporary_dir(), pidstr);
872 }
873
874 void WM_autosave_init(wmWindowManager *wm)
875 {
876         wm_autosave_timer_ended(wm);
877
878         if(U.flag & USER_AUTOSAVE)
879                 wm->autosavetimer= WM_event_add_timer(wm, NULL, TIMERAUTOSAVE, U.savetime*60.0);
880 }
881
882 void wm_autosave_timer(const bContext *C, wmWindowManager *wm, wmTimer *UNUSED(wt))
883 {
884         wmWindow *win;
885         wmEventHandler *handler;
886         char filepath[FILE_MAX];
887         int fileflags;
888
889         WM_event_remove_timer(wm, NULL, wm->autosavetimer);
890
891         /* if a modal operator is running, don't autosave, but try again in 10 seconds */
892         for(win=wm->windows.first; win; win=win->next) {
893                 for(handler=win->modalhandlers.first; handler; handler=handler->next) {
894                         if(handler->op) {
895                                 wm->autosavetimer= WM_event_add_timer(wm, NULL, TIMERAUTOSAVE, 10.0);
896                                 return;
897                         }
898                 }
899         }
900         
901         wm_autosave_location(filepath);
902
903         /*  force save as regular blend file */
904         fileflags = G.fileflags & ~(G_FILE_COMPRESS|G_FILE_AUTOPLAY |G_FILE_LOCK|G_FILE_SIGN|G_FILE_HISTORY);
905
906         /* no error reporting to console */
907         BLO_write_file(CTX_data_main(C), filepath, fileflags, NULL, NULL);
908
909         /* do timer after file write, just in case file write takes a long time */
910         wm->autosavetimer= WM_event_add_timer(wm, NULL, TIMERAUTOSAVE, U.savetime*60.0);
911 }
912
913 void wm_autosave_timer_ended(wmWindowManager *wm)
914 {
915         if(wm->autosavetimer) {
916                 WM_event_remove_timer(wm, NULL, wm->autosavetimer);
917                 wm->autosavetimer= NULL;
918         }
919 }
920
921 void wm_autosave_delete(void)
922 {
923         char filename[FILE_MAX];
924         
925         wm_autosave_location(filename);
926
927         if(BLI_exists(filename)) {
928                 char str[FILE_MAX];
929                 BLI_make_file_string("/", str, BLI_temporary_dir(), "quit.blend");
930
931                 /* if global undo; remove tempsave, otherwise rename */
932                 if(U.uiflag & USER_GLOBALUNDO) BLI_delete(filename, 0, 0);
933                 else BLI_rename(filename, str);
934         }
935 }
936
937 void wm_autosave_read(bContext *C, ReportList *reports)
938 {
939         char filename[FILE_MAX];
940
941         wm_autosave_location(filename);
942         WM_read_file(C, filename, reports);
943 }
944