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