src/filedlg.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3 * ======================================================
   4 *
   5 *           LyX, The Document Processor
   6 *
   7 *           Copyright (C) 1995 Matthias Ettrich
   8 *           Copyright (C) 1995-1998 The LyX Team.
   9 *
  10 *======================================================*/
  11
  12 #include <config.h>
  13
  14 //      $Id: filedlg.C,v 1.1 1999/09/27 18:44:37 larsbj Exp $
  15
  16 #if !defined(lint) && !defined(WITH_WARNINGS)
  17 static char vcid[] = "$Id: filedlg.C,v 1.1 1999/09/27 18:44:37 larsbj Exp $";
  18 #endif /* lint */
  19
  20 #include <unistd.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <pwd.h>
  24 #include <grp.h>
  25 #include <string.h>
  26
  27 #include "lyx_gui_misc.h" // CancelCloseCB
  28 #include "FileInfo.h"
  29 #include "gettext.h"
  30
  31 #ifdef HAVE_ERRNO_H
  32 #include <errno.h>
  33 #endif
  34
  35 #if HAVE_DIRENT_H
  36 # include <dirent.h>
  37 # define NAMLEN(dirent) strlen((dirent)->d_name)
  38 #else
  39 # define dirent direct
  40 # define NAMLEN(dirent) (dirent)->d_namlen
  41 # if HAVE_SYS_NDIR_H
  42 #  include <sys/ndir.h>
  43 # endif
  44 # if HAVE_SYS_DIR_H
  45 #  include <sys/dir.h>
  46 # endif
  47 # if HAVE_NDIR_H
  48 #  include <ndir.h>
  49 # endif
  50 #endif
  51
  52 #if TIME_WITH_SYS_TIME
  53 # include <sys/time.h>
  54 # include <time.h>
  55 #else
  56 # if HAVE_SYS_TIME_H
  57 #  include <sys/time.h>
  58 # else
  59 #  include <time.h>
  60 # endif
  61 #endif
  62
  63 #ifdef BROKEN_HEADERS
  64 extern "C" int gettimeofday(struct timeval *,struct timezone *);
  65 #define remove(a) unlink(a)
  66 #endif
  67
  68 #ifdef __GNUG__
  69 #pragma implementation
  70 #endif
  71
  72 #include "filetools.h"
  73 #include "filedlg.h"
  74 #include "definitions.h"
  75
  76 static const long SIX_MONTH_SEC = 6L * 30L * 24L * 60L * 60L; // six months, in seconds
  77 static const long ONE_HOUR_SEC = 60L * 60L;
  78
  79 // *** User cache class implementation
  80
  81 // global instance (user cache root)
  82 UserCache lyxUserCache = UserCache(LString(),0,0);
  83
  84
  85 // Add: creates a new user entry
  86 UserCache *UserCache::Add(uid_t ID)
  87 {
  88         LString pszNewName;
  89         struct passwd *pEntry;
  90
  91         // gets user name
  92         if ((pEntry = getpwuid(ID)))
  93                 pszNewName = pEntry->pw_name;
  94         else {
  95                 pszNewName = LString() + int(ID); // We don't have int cast to LString
  96         }
  97
  98         // adds new node
  99         return new UserCache(pszNewName, ID, pRoot);
 100 }
 101
 102
 103 UserCache::UserCache(LString const & pszName, uid_t ID, UserCache *pRoot)
 104 {
 105         // links node
 106         if (pRoot) {
 107                 this->pRoot = pRoot;
 108                 pNext = pRoot->pNext;
 109                 pRoot->pNext = this;
 110         } else {
 111                 this->pRoot = this;
 112                 pNext = NULL;
 113         }
 114
 115         // stores data
 116         this->pszName = pszName;
 117         this->ID = ID;
 118 }
 119
 120
 121 UserCache::~UserCache()
 122 {
 123         if (pNext) delete pNext;
 124 }
 125
 126
 127 // Find: seeks user name from user ID
 128 LString UserCache::Find(uid_t ID)
 129 {
 130         if ((!pszName.empty()) && (this->ID == ID)) return pszName;
 131         if (pNext) return pNext->Find(ID);
 132
 133         return pRoot->Add(ID)->pszName;
 134 }
 135
 136
 137 // *** Group cache class implementation
 138
 139 // global instance (group cache root)
 140 GroupCache lyxGroupCache = GroupCache(LString(),0,0);
 141
 142 // Add: creates a new group entry
 143 GroupCache *GroupCache::Add(gid_t ID)
 144 {
 145         LString pszNewName;
 146         struct group *pEntry;
 147
 148         // gets user name
 149         if ((pEntry = getgrgid(ID))) pszNewName = pEntry->gr_name;
 150         else {
 151                 pszNewName = LString() + int(ID); // We don't have int cast to LString
 152         }
 153
 154         // adds new node
 155         return new GroupCache(pszNewName, ID, pRoot);
 156 }
 157
 158
 159 GroupCache::GroupCache(LString const & pszName, gid_t ID, GroupCache *pRoot)
 160 {
 161         // links node
 162         if (pRoot) {
 163                 this->pRoot = pRoot;
 164                 pNext = pRoot->pNext;
 165                 pRoot->pNext = this;
 166         } else {
 167                 this->pRoot = this;
 168                 pNext = NULL;
 169         }
 170
 171         // stores data
 172         this->pszName = pszName;
 173         this->ID = ID;
 174 }
 175
 176
 177 GroupCache::~GroupCache()
 178 {
 179         if (pNext) delete pNext;
 180 }
 181
 182
 183 // Find: seeks group name from group ID
 184 LString GroupCache::Find(gid_t ID)
 185 {
 186         if ((!pszName.empty()) && (this->ID == ID)) return pszName;
 187         if (pNext) return pNext->Find(ID);
 188
 189         return pRoot->Add(ID)->pszName;
 190 }
 191
 192 // *** LyXDirEntry internal structure implementation
 193
 194 // ldeCompProc: compares two LyXDirEntry objects content (used for qsort)
 195 int LyXDirEntry::ldeCompProc(const LyXDirEntry *r1,
 196                              const LyXDirEntry *r2)
 197 {
 198         bool r1d = r1->pszName.suffixIs('/');
 199         bool r2d = r2->pszName.suffixIs('/');
 200         if (r1d && !r2d) return -1;
 201         if (!r1d && r2d) return 1;
 202         return strcmp(r1->pszName.c_str(), r2->pszName.c_str());
 203 }
 204
 205 // *** LyXFileDlg class implementation
 206
 207 // static members
 208 FD_FileDlg *LyXFileDlg::pFileDlgForm = NULL;
 209 LyXFileDlg *LyXFileDlg::pCurrentDlg = NULL;
 210
 211
 212 // Reread: updates dialog list to match class directory
 213 void LyXFileDlg::Reread()
 214 {
 215         int i;
 216         DIR *pDirectory;
 217         struct dirent *pDirEntry;
 218         LString File, Buffer;
 219         char szMode[15], szTime[40];
 220         FileInfo fileInfo;
 221
 222         // Opens directory
 223         pDirectory = opendir(pszDirectory.c_str());
 224         if (!pDirectory) {
 225                 WriteFSAlert(_("Warning! Couldn't open directory."),
 226                              pszDirectory);
 227                 pszDirectory = GetCWD();
 228                 pDirectory = opendir(pszDirectory.c_str());
 229         }
 230
 231         // Clear the present namelist
 232         if (pCurrentNames) {
 233                 delete [] pCurrentNames;
 234                 pCurrentNames = 0;
 235         }
 236
 237         // Updates display
 238         fl_hide_object(pFileDlgForm->List);
 239         fl_clear_browser(pFileDlgForm->List);
 240         fl_set_input(pFileDlgForm->DirBox, pszDirectory.c_str());
 241
 242         // Splits complete directory name into directories and compute depth
 243         iDepth = 0;
 244         LString line, Temp;
 245         File = pszDirectory;
 246         if (File != "/") {
 247                 File.split(Temp, '/');
 248         }
 249         while (!File.empty() || !Temp.empty()) {
 250                 LString dline = "@b"+line + Temp + '/';
 251                 fl_add_browser_line(pFileDlgForm->List, dline.c_str());
 252                 File.split(Temp, '/');
 253                 line += ' ';
 254                 iDepth++;
 255         }
 256
 257         // Allocate names array
 258         iNumNames = 0;
 259         rewinddir(pDirectory);
 260         while ((readdir(pDirectory))) ++iNumNames;
 261         pCurrentNames = new LyXDirEntry[iNumNames];
 262
 263         // Parses all entries of the given subdirectory
 264         iNumNames = 0;
 265         time_t curTime = time(NULL);
 266         rewinddir(pDirectory);
 267         while ((pDirEntry = readdir(pDirectory))) {
 268
 269                 bool isLink = false, isDir = false;
 270
 271                 // If the pattern doesn't start with a dot, skip hidden files
 272                 if (!pszMask.empty() && pszMask[0] != '.' &&
 273                     pDirEntry->d_name[0] == '.')
 274                         continue;
 275
 276                 // Gets filename
 277                 LString fname = pDirEntry->d_name;
 278
 279                 // Under all circumstances, "." and ".." are not wanted
 280                 if (fname == "." || fname == "..")
 281                         continue;
 282
 283                 // gets file status
 284                 File = AddName(pszDirectory, fname);
 285
 286                 fileInfo.newFile(File, true);
 287
 288                 fileInfo.modeString(szMode);
 289                 unsigned int nlink = fileInfo.getNumberOfLinks();
 290                 LString user =  lyxUserCache.Find(fileInfo.getUid());
 291                 LString group = lyxGroupCache.Find(fileInfo.getGid());
 292
 293                 time_t modtime = fileInfo.getModificationTime();
 294                 strcpy(szTime, ctime(&modtime));
 295
 296                 if (curTime > fileInfo.getModificationTime() + SIX_MONTH_SEC
 297                     || curTime < fileInfo.getModificationTime()
 298                     + ONE_HOUR_SEC) {
 299                         // The file is fairly old or in the future. POSIX says
 300                         // the cutoff is 6 months old. Allow a 1 hour slop
 301                         // factor for what is considered "the future", to
 302                         // allow for NFS server/client clock disagreement.
 303                         // Show the year instead of the time of day.
 304                         strcpy(szTime+10, szTime+19);
 305                         szTime[15] = 0;
 306                 } else
 307                         szTime[16] = 0;
 308
 309                 char szHeadBuf[128];
 310                 sprintf(szHeadBuf, "%s %u %s %s %s ", szMode,
 311                         nlink,
 312                         user.c_str(),
 313                         group.c_str(),
 314                         szTime + 4);
 315                 Buffer = szHeadBuf;
 316
 317                 Buffer += pDirEntry->d_name;
 318                 Buffer += fileInfo.typeIndicator();
 319
 320                 if ((isLink = fileInfo.isLink())) {
 321                   LString Link;
 322
 323                   if (LyXReadLink(File,Link)) {
 324                        Buffer += " -> ";
 325                        Buffer += Link;
 326
 327                        // This gives the FileType of the file that
 328                        // is really pointed too after resolving all
 329                        // symlinks. This is not necessarily the same
 330                        // as the type of Link (which could again be a
 331                        // link). Is that intended?
 332                        //                              JV 199902
 333                        fileInfo.newFile(File);
 334                        Buffer += fileInfo.typeIndicator();
 335                   }
 336                 }
 337
 338                 // filters files according to pattern and type
 339                 if (fileInfo.isRegular()
 340                     || fileInfo.isChar()
 341                     || fileInfo.isBlock()
 342                     || fileInfo.isFifo()) {
 343                         if (!fname.regexMatch(pszMask))
 344                                 continue;
 345                 } else if (!(isDir = fileInfo.isDir()))
 346                         continue;
 347
 348                 // Note pszLsEntry is an LString!
 349                 pCurrentNames[iNumNames].pszLsEntry = Buffer;
 350
 351                 // creates used name
 352                 LString temp = fname;
 353                 if (isDir) temp += '/';
 354                 pCurrentNames[iNumNames].pszName = temp;
 355
 356                 // creates displayed name
 357                 temp = pDirEntry->d_name;
 358                 if (isLink)
 359                         temp += '@';
 360                 else
 361                         temp += fileInfo.typeIndicator();
 362
 363                 pCurrentNames[iNumNames++].pszDisplayed = temp;
 364         }
 365
 366         closedir(pDirectory);
 367
 368         // Sort the names
 369         qsort(pCurrentNames, iNumNames, sizeof(LyXDirEntry),
 370               (int (*)(const void *, const void *))LyXDirEntry::ldeCompProc);
 371
 372         // Add them to directory box
 373         for (i = 0; i < iNumNames; ++i) {
 374                 LString temp = line + pCurrentNames[i].pszDisplayed;
 375                 fl_add_browser_line(pFileDlgForm->List, temp.c_str());
 376         }
 377         fl_set_browser_topline(pFileDlgForm->List,iDepth);
 378         fl_show_object(pFileDlgForm->List);
 379         iLastSel = -1;
 380 }
 381
 382
 383 // SetDirectory: sets dialog current directory
 384 void LyXFileDlg::SetDirectory(LString const & Path)
 385 {
 386         if (!pszDirectory.empty()) {
 387                 LString TempPath = ExpandPath(Path); // Expand ~/
 388                 TempPath = MakeAbsPath(TempPath, pszDirectory);
 389                 pszDirectory = MakeAbsPath(TempPath);
 390         } else pszDirectory = MakeAbsPath(Path);
 391 }
 392
 393
 394 // SetMask: sets dialog file mask
 395 void LyXFileDlg::SetMask(LString const & NewMask)
 396 {
 397         pszMask = NewMask;
 398         fl_set_input(pFileDlgForm->PatBox, pszMask.c_str());
 399 }
 400
 401
 402 // SetInfoLine: sets dialog information line
 403 void LyXFileDlg::SetInfoLine(LString const & Line)
 404 {
 405         pszInfoLine = Line;
 406         fl_set_object_label(pFileDlgForm->FileInfo, pszInfoLine.c_str());
 407 }
 408
 409
 410 LyXFileDlg::LyXFileDlg()
 411 {
 412         pCurrentNames = 0;
 413         pszDirectory = MakeAbsPath(LString('.'));
 414         pszMask = '*';
 415
 416         // Creates form if necessary.
 417         if (!pFileDlgForm) {
 418                 pFileDlgForm = create_form_FileDlg();
 419                 // Set callbacks. This means that we don't need a patch file
 420                 fl_set_object_callback(pFileDlgForm->DirBox,
 421                                        LyXFileDlg::FileDlgCB,0);
 422                 fl_set_object_callback(pFileDlgForm->PatBox,
 423                                        LyXFileDlg::FileDlgCB,1);
 424                 fl_set_object_callback(pFileDlgForm->List,
 425                                        LyXFileDlg::FileDlgCB,2);
 426                 fl_set_object_callback(pFileDlgForm->Filename,
 427                                        LyXFileDlg::FileDlgCB,3);
 428                 fl_set_object_callback(pFileDlgForm->Rescan,
 429                                        LyXFileDlg::FileDlgCB,10);
 430                 fl_set_object_callback(pFileDlgForm->Home,
 431                                        LyXFileDlg::FileDlgCB,11);
 432                 fl_set_object_callback(pFileDlgForm->User1,
 433                                        LyXFileDlg::FileDlgCB,12);
 434                 fl_set_object_callback(pFileDlgForm->User2,
 435                                        LyXFileDlg::FileDlgCB,13);
 436
 437                 // Make sure pressing the close box doesn't crash LyX. (RvdK)
 438                 fl_set_form_atclose(pFileDlgForm->FileDlg, CancelCB, NULL);
 439                 // Register doubleclick callback
 440                 fl_set_browser_dblclick_callback(pFileDlgForm->List,
 441                                                  DoubleClickCB,0);
 442         }
 443         fl_hide_object(pFileDlgForm->User1);
 444         fl_hide_object(pFileDlgForm->User2);
 445 }
 446
 447
 448 LyXFileDlg::~LyXFileDlg()
 449 {
 450         // frees directory entries
 451         if (pCurrentNames) {
 452                 delete [] pCurrentNames;
 453         }
 454 }
 455
 456
 457 // SetButton: sets file selector user button action
 458 void LyXFileDlg::SetButton(int iIndex, LString const & pszName,
 459                            LString const & pszPath)
 460 {
 461         FL_OBJECT *pObject;
 462         LString *pTemp;
 463
 464         if (iIndex == 0) {
 465                 pObject = pFileDlgForm->User1;
 466                 pTemp = &pszUserPath1;
 467         } else if (iIndex == 1) {
 468                 pObject = pFileDlgForm->User2;
 469                 pTemp = &pszUserPath2;
 470         } else return;
 471
 472         if (!pszName.empty() && !pszPath.empty()) {
 473                 fl_set_object_label(pObject, pszName.c_str());
 474                 fl_show_object(pObject);
 475                 *pTemp = pszPath;
 476         } else {
 477                 fl_hide_object(pObject);
 478                 *pTemp = LString();
 479         }
 480 }
 481
 482
 483 // GetDirectory: gets last dialog directory
 484 LString LyXFileDlg::GetDirectory()
 485 {
 486         if (!pszDirectory.empty())
 487                 return pszDirectory;
 488         else
 489                 return LString('.');
 490 }
 491
 492
 493 // RunDialog: handle dialog during file selection
 494 bool LyXFileDlg::RunDialog()
 495 {
 496         force_cancel = false;
 497         force_ok = false;
 498
 499         // event loop
 500         while(true) {
 501
 502                 FL_OBJECT * pObject = fl_do_forms();
 503
 504                 if (pObject == pFileDlgForm->Ready) {
 505                         if (HandleOK())
 506                                 return true;
 507                 } else if (pObject == pFileDlgForm->Cancel
 508                            || force_cancel)
 509                         return false;
 510                 else if (force_ok)
 511                         return true;
 512         }
 513 }
 514
 515
 516 // XForms objects callback (static)
 517 void LyXFileDlg::FileDlgCB(FL_OBJECT *, long lArgument)
 518 {
 519         if (!pCurrentDlg) return;
 520
 521         switch (lArgument) {
 522
 523         case 0: // get directory
 524                 pCurrentDlg->SetDirectory(fl_get_input(pFileDlgForm->DirBox));
 525                 pCurrentDlg->Reread();
 526                 break;
 527
 528         case 1: // get mask
 529                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 530                 pCurrentDlg->Reread();
 531                 break;
 532
 533         case 2: // list
 534                 pCurrentDlg->HandleListHit();
 535                 break;
 536
 537         case 10: // rescan
 538                 pCurrentDlg->SetDirectory(fl_get_input(pFileDlgForm->DirBox));
 539                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 540                 pCurrentDlg->Reread();
 541                 break;
 542
 543         case 11: // home
 544                 pCurrentDlg->SetDirectory(getEnvPath("HOME"));
 545                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 546                 pCurrentDlg->Reread();
 547                 break;
 548
 549         case 12: // user button 1
 550                 if (!pCurrentDlg->pszUserPath1.empty()) {
 551                         pCurrentDlg->SetDirectory(pCurrentDlg->pszUserPath1);
 552                         pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 553                         pCurrentDlg->Reread();
 554                 }
 555                 break;
 556
 557         case 13: // user button 2
 558                 if (!pCurrentDlg->pszUserPath2.empty()) {
 559                         pCurrentDlg->SetDirectory(pCurrentDlg->pszUserPath2);
 560                         pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 561                         pCurrentDlg->Reread();
 562                 }
 563                 break;
 564
 565         }
 566 }
 567
 568
 569 // Handle callback from list
 570 void LyXFileDlg::HandleListHit()
 571 {
 572         // set info line
 573         int iSelect = fl_get_browser(pFileDlgForm->List);
 574         if (iSelect > iDepth)  {
 575                 SetInfoLine(pCurrentNames[iSelect - iDepth - 1].pszLsEntry);
 576         } else {
 577                 SetInfoLine(LString());
 578         }
 579 }
 580
 581
 582 // Callback for double click in list
 583 void LyXFileDlg::DoubleClickCB(FL_OBJECT *, long)
 584 {
 585         if (pCurrentDlg->HandleDoubleClick())
 586                 // Simulate click on OK button
 587                 pCurrentDlg->Force(false);
 588 }
 589
 590
 591 // Handle double click from list
 592 bool LyXFileDlg::HandleDoubleClick()
 593 {
 594         bool isDir;
 595         LString pszTemp;
 596         int iSelect;
 597
 598         // set info line
 599         isDir = true;
 600         iSelect = fl_get_browser(pFileDlgForm->List);
 601         if (iSelect > iDepth)  {
 602                 pszTemp = pCurrentNames[iSelect - iDepth - 1].pszName;
 603                 SetInfoLine(pCurrentNames[iSelect - iDepth - 1].pszLsEntry);
 604                 if (!pszTemp.suffixIs('/')) {
 605                         isDir = false;
 606                         fl_set_input(pFileDlgForm->Filename, pszTemp.c_str());
 607                 }
 608         } else if (iSelect !=0) {
 609                 SetInfoLine(LString());
 610         } else
 611                 return true;
 612
 613         // executes action
 614         if (isDir) {
 615
 616                 int i;
 617                 LString Temp;
 618
 619                 // builds new directory name
 620                 if (iSelect > iDepth) {
 621                         // Directory deeper down
 622                         // First, get directory with trailing /
 623                         Temp = fl_get_input(pFileDlgForm->DirBox);
 624                         if (!Temp.suffixIs('/'))
 625                                 Temp += '/';
 626                         Temp += pszTemp;
 627                 } else {
 628                         // Directory higher up
 629                         Temp.clean();
 630                         for (i = 0; i < iSelect; ++i) {
 631                                 LString piece = fl_get_browser_line(pFileDlgForm->List, i+1);
 632                                 // The '+2' is here to count the '@b' (JMarc)
 633                                 Temp += piece.substring(i+2, piece.length()-1);
 634                         }
 635                 }
 636
 637                 // assigns it
 638                 SetDirectory(Temp);
 639                 Reread();
 640                 return false;
 641         }
 642         return true;
 643 }
 644
 645
 646 // Handle OK button call
 647 bool LyXFileDlg::HandleOK()
 648 {
 649         LString pszTemp;
 650
 651         // mask was changed
 652         pszTemp = fl_get_input(pFileDlgForm->PatBox);
 653         if (pszTemp!=pszMask) {
 654                 SetMask(pszTemp);
 655                 Reread();
 656                 return false;
 657         }
 658
 659         // directory was changed
 660         pszTemp = fl_get_input(pFileDlgForm->DirBox);
 661         if (pszTemp!=pszDirectory) {
 662                 SetDirectory(pszTemp);
 663                 Reread();
 664                 return false;
 665         }
 666
 667         // Handle return from list
 668         int select = fl_get_browser(pFileDlgForm->List);
 669         if (select > iDepth) {
 670                 LString temp = pCurrentNames[select - iDepth - 1].pszName;
 671                 if (!temp.suffixIs('/')) {
 672                         // If user didn't type anything, use browser
 673                         LString name = fl_get_input(pFileDlgForm->Filename);
 674                         if (name.empty()) {
 675                                 fl_set_input(pFileDlgForm->Filename, temp.c_str());
 676                         }
 677                         return true;
 678                 }
 679         }
 680
 681         // Emulate a doubleclick
 682         return HandleDoubleClick();
 683 }
 684
 685
 686 // Handle Cancel CB from WM close
 687 int LyXFileDlg::CancelCB(FL_FORM *, void *)
 688 {
 689         // Simulate a click on the cancel button
 690         pCurrentDlg->Force(true);
 691         return FL_IGNORE;
 692 }
 693
 694
 695 // Simulates a click on OK/Cancel
 696 void LyXFileDlg::Force(bool cancel)
 697 {
 698         if (cancel) {
 699                 force_cancel = true;
 700                 fl_set_button(pFileDlgForm->Cancel, 1);
 701         } else {
 702                 force_ok = true;
 703                 fl_set_button(pFileDlgForm->Ready, 1);
 704         }
 705         // Start timer to break fl_do_forms loop soon
 706         fl_set_timer(pFileDlgForm->timer, 0.1);
 707 }
 708
 709
 710 // Select: launches dialog and returns selected file
 711 LString LyXFileDlg::Select(LString const & title, LString const & path,
 712                            LString const & mask, LString const & suggested)
 713 {
 714         bool isOk;
 715
 716         // handles new mask and path
 717         isOk = true;
 718         if (!mask.empty()) {
 719                 SetMask(mask);
 720                 isOk = false;
 721         }
 722         if (!path.empty()) {
 723                 SetDirectory(path);
 724                 isOk = false;
 725         }
 726         if (!isOk) Reread();
 727         else {
 728                 fl_select_browser_line(pFileDlgForm->List, 1);
 729                 fl_set_browser_topline(pFileDlgForm->List, 1);
 730         }
 731
 732         // checks whether dialog can be started
 733         if (pCurrentDlg) return LString();
 734         pCurrentDlg = this;
 735
 736         // runs dialog
 737         SetInfoLine (LString());
 738         fl_set_input(pFileDlgForm->Filename, suggested.c_str());
 739         fl_set_button(pFileDlgForm->Cancel, 0);
 740         fl_set_button(pFileDlgForm->Ready, 0);
 741         fl_set_focus_object(pFileDlgForm->FileDlg, pFileDlgForm->Filename);
 742         fl_deactivate_all_forms();
 743         fl_show_form(pFileDlgForm->FileDlg, FL_PLACE_MOUSE | FL_FREE_SIZE,
 744                      FL_FULLBORDER, title.c_str());
 745
 746         isOk = RunDialog();
 747
 748         fl_hide_form(pFileDlgForm->FileDlg);
 749         fl_activate_all_forms();
 750         pCurrentDlg = NULL;
 751
 752         // Returns filename or LString() if no valid selection was made
 753         if (!isOk || !fl_get_input(pFileDlgForm->Filename)[0]) return LString();
 754
 755         pszFileName = fl_get_input(pFileDlgForm->Filename);
 756
 757         if (!AbsolutePath(pszFileName)) {
 758                 pszFileName = AddName(fl_get_input(pFileDlgForm->DirBox),
 759                                       pszFileName);
 760         }
 761         return pszFileName;
 762 }