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