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