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