src/frontends/xforms/FormFiledialog.C

   1 /**
   2  * \file FormFiledialog.C
   3  * Copyright 2001 the LyX Team
   4  * Read the file COPYING
   5  *
   6  * \author unknown
   7  * \author John Levon
   8  */
   9
  10 #include <config.h>
  11
  12 #include <unistd.h>
  13 #include <cstdlib>
  14 #include <pwd.h>
  15 #include <grp.h>
  16 //#include <cstring>
  17 #include <map>
  18 #include <algorithm>
  19
  20 using std::map;
  21 using std::max;
  22 using std::sort;
  23
  24 #include "frontends/Alert.h"
  25 #include "support/FileInfo.h"
  26 #include "support/lyxlib.h"
  27 #include "support/lstrings.h"
  28 #include "gettext.h"
  29 #include "frontends/Dialogs.h"
  30
  31 #ifdef HAVE_ERRNO_H
  32 #include <cerrno>
  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 <ctime>
  55 #else
  56 # if HAVE_SYS_TIME_H
  57 #  include <sys/time.h>
  58 # else
  59 #  include <ctime>
  60 # endif
  61 #endif
  62
  63 // FIXME: should be autoconfiscated
  64 #ifdef BROKEN_HEADERS
  65 extern "C" int gettimeofday(struct timeval *, struct timezone *);
  66 #endif
  67
  68 #ifdef __GNUG__
  69 #pragma implementation
  70 #endif
  71
  72 #include "support/filetools.h"
  73 #include "FormFiledialog.h"
  74
  75 namespace {
  76
  77 // six months, in seconds
  78 long const SIX_MONTH_SEC = 6L * 30L * 24L * 60L * 60L;
  79 //static
  80 long const ONE_HOUR_SEC = 60L * 60L;
  81
  82 extern "C" {
  83
  84         static
  85         int C_LyXFileDlg_CancelCB(FL_FORM *fl, void *xev)
  86         {
  87                 return FileDialog::Private::CancelCB(fl, xev);
  88         }
  89
  90         static
  91         void C_LyXFileDlg_DoubleClickCB(FL_OBJECT * ob, long data)
  92         {
  93                 FileDialog::Private::DoubleClickCB(ob, data);
  94         }
  95
  96         static
  97         void C_LyXFileDlg_FileDlgCB(FL_OBJECT * ob, long data)
  98         {
  99                 FileDialog::Private::FileDlgCB(ob, data);
 100         }
 101
 102 }
 103
 104 } // namespace anon
 105
 106
 107 // *** User cache class implementation
 108 /// User cache class definition
 109 class UserCache {
 110 public:
 111         /// seeks user name from group ID
 112         string const & find(uid_t ID) const {
 113                 Users::const_iterator cit = users.find(ID);
 114                 if (cit == users.end()) {
 115                         add(ID);
 116                         return users[ID];
 117                 }
 118                 return cit->second;
 119         }
 120 private:
 121         ///
 122         void add(uid_t ID) const;
 123         ///
 124         typedef map<uid_t, string> Users;
 125         ///
 126         mutable Users users;
 127 };
 128
 129
 130 void UserCache::add(uid_t ID) const
 131 {
 132         string pszNewName;
 133         struct passwd * pEntry;
 134
 135         // gets user name
 136         if ((pEntry = getpwuid(ID)))
 137                 pszNewName = pEntry->pw_name;
 138         else {
 139                 pszNewName = tostr(ID);
 140         }
 141
 142         // adds new node
 143         users[ID] = pszNewName;
 144 }
 145
 146
 147 /// Group cache class definition
 148 class GroupCache {
 149 public:
 150         /// seeks group name from group ID
 151         string const & find(gid_t ID) const ;
 152 private:
 153         ///
 154         void add(gid_t ID) const;
 155         ///
 156         typedef map<gid_t, string> Groups;
 157         ///
 158         mutable Groups groups;
 159 };
 160
 161
 162 string const & GroupCache::find(gid_t ID) const
 163 {
 164         Groups::const_iterator cit = groups.find(ID);
 165         if (cit == groups.end()) {
 166                 add(ID);
 167                 return groups[ID];
 168         }
 169         return cit->second;
 170 }
 171
 172
 173 void GroupCache::add(gid_t ID) const
 174 {
 175         string pszNewName;
 176         struct group * pEntry;
 177
 178         // gets user name
 179         if ((pEntry = getgrgid(ID))) pszNewName = pEntry->gr_name;
 180         else {
 181                 pszNewName = tostr(ID);
 182         }
 183         // adds new node
 184         groups[ID] = pszNewName;
 185 }
 186
 187
 188 namespace {
 189
 190 // local instances
 191 UserCache lyxUserCache;
 192 GroupCache lyxGroupCache;
 193
 194 } // namespace anon
 195
 196
 197 // compares two LyXDirEntry objects content (used for sort)
 198 class comp_direntry {
 199 public:
 200         int operator()(DirEntry const & r1,
 201                        DirEntry const & r2) const ;
 202 };
 203         int comp_direntry::operator()(DirEntry const & r1,
 204                        DirEntry const & r2) const {
 205                 bool r1d = suffixIs(r1.pszName, '/');
 206                 bool r2d = suffixIs(r2.pszName, '/');
 207                 if (r1d && !r2d) return 1;
 208                 if (!r1d && r2d) return 0;
 209                 return r1.pszName < r2.pszName;
 210         }
 211
 212
 213 // *** FileDialog::Private class implementation
 214
 215 // static members
 216 FD_form_filedialog * FileDialog::Private::pFileDlgForm = 0;
 217 FileDialog::Private * FileDialog::Private::pCurrentDlg = 0;
 218
 219
 220 // Reread: updates dialog list to match class directory
 221 void FileDialog::Private::Reread()
 222 {
 223         // Opens directory
 224         DIR * pDirectory = ::opendir(pszDirectory.c_str());
 225         if (!pDirectory) {
 226                 Alert::err_alert(_("Warning! Couldn't open directory."),
 227                              pszDirectory);
 228                 pszDirectory = lyx::getcwd();
 229                 pDirectory = ::opendir(pszDirectory.c_str());
 230         }
 231
 232         // Clear the present namelist
 233         direntries.clear();
 234
 235         // Updates display
 236         fl_hide_object(pFileDlgForm->List);
 237         fl_clear_browser(pFileDlgForm->List);
 238         fl_set_input(pFileDlgForm->DirBox, pszDirectory.c_str());
 239
 240         // Splits complete directory name into directories and compute depth
 241         iDepth = 0;
 242         string line, Temp;
 243         char szMode[15];
 244         string File = pszDirectory;
 245         if (File != "/") {
 246                 File = split(File, Temp, '/');
 247         }
 248         while (!File.empty() || !Temp.empty()) {
 249                 string dline = "@b"+line + Temp + '/';
 250                 fl_add_browser_line(pFileDlgForm->List, dline.c_str());
 251                 File = split(File, Temp, '/');
 252                 line += ' ';
 253                 ++iDepth;
 254         }
 255
 256         // Parses all entries of the given subdirectory
 257         time_t curTime = time(0);
 258         rewinddir(pDirectory);
 259         struct dirent * pDirEntry;
 260         while ((pDirEntry = readdir(pDirectory))) {
 261                 bool isLink = false, isDir = false;
 262
 263                 // If the pattern doesn't start with a dot, skip hidden files
 264                 if (!pszMask.empty() && pszMask[0] != '.' &&
 265                     pDirEntry->d_name[0] == '.')
 266                         continue;
 267
 268                 // Gets filename
 269                 string fname = pDirEntry->d_name;
 270
 271                 // Under all circumstances, "." and ".." are not wanted
 272                 if (fname == "." || fname == "..")
 273                         continue;
 274
 275                 // gets file status
 276                 File = AddName(pszDirectory, fname);
 277
 278                 // FIXME: we don't get this file exists/stattable
 279                 FileInfo fileInfo(File, true);
 280                 fileInfo.modeString(szMode);
 281                 unsigned int nlink = fileInfo.getNumberOfLinks();
 282                 string user =   lyxUserCache.find(fileInfo.getUid());
 283                 string group = lyxGroupCache.find(fileInfo.getGid());
 284
 285                 time_t modtime = fileInfo.getModificationTime();
 286                 string Time = ctime(&modtime);
 287
 288                 if (curTime > modtime + SIX_MONTH_SEC
 289                     || curTime < modtime + ONE_HOUR_SEC) {
 290                         // The file is fairly old or in the future. POSIX says
 291                         // the cutoff is 6 months old. Allow a 1 hour slop
 292                         // factor for what is considered "the future", to
 293                         // allow for NFS server/client clock disagreement.
 294                         // Show the year instead of the time of day.
 295                         Time.erase(10, 9);
 296                         Time.erase(15, string::npos);
 297                 } else {
 298                         Time.erase(16, string::npos);
 299                 }
 300
 301                 string Buffer = string(szMode) + ' ' +
 302                         tostr(nlink) + ' ' +
 303                         user + ' ' +
 304                         group + ' ' +
 305                         Time.substr(4, string::npos) + ' ';
 306
 307                 Buffer += pDirEntry->d_name;
 308                 Buffer += fileInfo.typeIndicator();
 309
 310                 if ((isLink = fileInfo.isLink())) {
 311                         string Link;
 312
 313                         if (LyXReadLink(File, Link)) {
 314                                 Buffer += " -> ";
 315                                 Buffer += Link;
 316
 317                                 // This gives the FileType of the file that
 318                                 // is really pointed too after resolving all
 319                                 // symlinks. This is not necessarily the same
 320                                 // as the type of Link (which could again be a
 321                                 // link). Is that intended?
 322                                 //                              JV 199902
 323                                 fileInfo.newFile(File);
 324                                 Buffer += fileInfo.typeIndicator();
 325                         }
 326                 }
 327
 328                 // filters files according to pattern and type
 329                 if (fileInfo.isRegular()
 330                     || fileInfo.isChar()
 331                     || fileInfo.isBlock()
 332                     || fileInfo.isFifo()) {
 333                         if (!regexMatch(fname, pszMask))
 334                                 continue;
 335                 } else if (!(isDir = fileInfo.isDir()))
 336                         continue;
 337
 338                 DirEntry tmp;
 339
 340                 // Note pszLsEntry is an string!
 341                 tmp.pszLsEntry = Buffer;
 342                 // creates used name
 343                 string temp = fname;
 344                 if (isDir) temp += '/';
 345
 346                 tmp.pszName = temp;
 347                 // creates displayed name
 348                 temp = pDirEntry->d_name;
 349                 if (isLink)
 350                         temp += '@';
 351                 else
 352                         temp += fileInfo.typeIndicator();
 353                 tmp.pszDisplayed = temp;
 354
 355                 direntries.push_back(tmp);
 356         }
 357
 358         closedir(pDirectory);
 359
 360         // Sort the names
 361         sort(direntries.begin(), direntries.end(), comp_direntry());
 362
 363         // Add them to directory box
 364         for (DirEntries::const_iterator cit = direntries.begin();
 365              cit != direntries.end(); ++cit) {
 366                 string const temp = line + cit->pszDisplayed;
 367                 fl_add_browser_line(pFileDlgForm->List, temp.c_str());
 368         }
 369         fl_set_browser_topline(pFileDlgForm->List, iDepth);
 370         fl_show_object(pFileDlgForm->List);
 371         iLastSel = -1;
 372 }
 373
 374
 375 // SetDirectory: sets dialog current directory
 376 void FileDialog::Private::SetDirectory(string const & Path)
 377 {
 378         string tmp;
 379
 380         if (!pszDirectory.empty()) {
 381                 string TempPath = ExpandPath(Path); // Expand ~/
 382                 TempPath = MakeAbsPath(TempPath, pszDirectory);
 383                 tmp = MakeAbsPath(TempPath);
 384         } else {
 385                 tmp = MakeAbsPath(Path);
 386         }
 387
 388         // must check the directory exists
 389         DIR * pDirectory = ::opendir(tmp.c_str());
 390         if (!pDirectory) {
 391                 Alert::err_alert(_("Warning! Couldn't open directory."), tmp);
 392         } else {
 393                 ::closedir(pDirectory);
 394                 pszDirectory = tmp;
 395         }
 396 }
 397
 398
 399 // SetMask: sets dialog file mask
 400 void FileDialog::Private::SetMask(string const & NewMask)
 401 {
 402         pszMask = NewMask;
 403         fl_set_input(pFileDlgForm->PatBox, pszMask.c_str());
 404 }
 405
 406
 407 // SetInfoLine: sets dialog information line
 408 void FileDialog::Private::SetInfoLine(string const & Line)
 409 {
 410         pszInfoLine = Line;
 411         fl_set_object_label(pFileDlgForm->FileInfo, pszInfoLine.c_str());
 412 }
 413
 414
 415 FileDialog::Private::Private()
 416 {
 417         pszDirectory = MakeAbsPath(string("."));
 418         pszMask = '*';
 419
 420         // Creates form if necessary.
 421         if (!pFileDlgForm) {
 422                 pFileDlgForm = build_filedialog();
 423                 // Set callbacks. This means that we don't need a patch file
 424                 fl_set_object_callback(pFileDlgForm->DirBox,
 425                                        C_LyXFileDlg_FileDlgCB, 0);
 426                 fl_set_object_callback(pFileDlgForm->PatBox,
 427                                        C_LyXFileDlg_FileDlgCB, 1);
 428                 fl_set_object_callback(pFileDlgForm->List,
 429                                        C_LyXFileDlg_FileDlgCB, 2);
 430                 fl_set_object_callback(pFileDlgForm->Filename,
 431                                        C_LyXFileDlg_FileDlgCB, 3);
 432                 fl_set_object_callback(pFileDlgForm->Rescan,
 433                                        C_LyXFileDlg_FileDlgCB, 10);
 434                 fl_set_object_callback(pFileDlgForm->Home,
 435                                        C_LyXFileDlg_FileDlgCB, 11);
 436                 fl_set_object_callback(pFileDlgForm->User1,
 437                                        C_LyXFileDlg_FileDlgCB, 12);
 438                 fl_set_object_callback(pFileDlgForm->User2,
 439                                        C_LyXFileDlg_FileDlgCB, 13);
 440
 441                 // Make sure pressing the close box doesn't crash LyX. (RvdK)
 442                 fl_set_form_atclose(pFileDlgForm->form,
 443                                     C_LyXFileDlg_CancelCB, 0);
 444                 // Register doubleclick callback
 445                 fl_set_browser_dblclick_callback(pFileDlgForm->List,
 446                                                  C_LyXFileDlg_DoubleClickCB,
 447                                                  0);
 448         }
 449         fl_hide_object(pFileDlgForm->User1);
 450         fl_hide_object(pFileDlgForm->User2);
 451
 452         r_ = Dialogs::redrawGUI.connect(SigC::slot(this, &FileDialog::Private::redraw));
 453 }
 454
 455
 456 FileDialog::Private::~Private()
 457 {
 458         r_.disconnect();
 459 }
 460
 461
 462 void FileDialog::Private::redraw()
 463 {
 464         if (pFileDlgForm->form && pFileDlgForm->form->visible)
 465                 fl_redraw_form(pFileDlgForm->form);
 466 }
 467
 468
 469 // SetButton: sets file selector user button action
 470 void FileDialog::Private::SetButton(int iIndex, string const & pszName,
 471                            string const & pszPath)
 472 {
 473         FL_OBJECT * pObject;
 474         string * pTemp;
 475
 476         if (iIndex == 0) {
 477                 pObject = pFileDlgForm->User1;
 478                 pTemp = &pszUserPath1;
 479         } else if (iIndex == 1) {
 480                 pObject = pFileDlgForm->User2;
 481                 pTemp = &pszUserPath2;
 482         } else return;
 483
 484         if (!pszName.empty() && !pszPath.empty()) {
 485                 fl_set_object_label(pObject, pszName.c_str());
 486                 fl_show_object(pObject);
 487                 *pTemp = pszPath;
 488         } else {
 489                 fl_hide_object(pObject);
 490                 pTemp->erase();
 491         }
 492 }
 493
 494
 495 // GetDirectory: gets last dialog directory
 496 string const FileDialog::Private::GetDirectory() const
 497 {
 498         if (!pszDirectory.empty())
 499                 return pszDirectory;
 500         else
 501                 return string(".");
 502 }
 503
 504
 505 // RunDialog: handle dialog during file selection
 506 bool FileDialog::Private::RunDialog()
 507 {
 508         force_cancel = false;
 509         force_ok = false;
 510
 511         // event loop
 512         while (true) {
 513                 FL_OBJECT * pObject = fl_do_forms();
 514
 515                 if (pObject == pFileDlgForm->Ready) {
 516                         if (HandleOK())
 517                                 return true;
 518                 } else if (pObject == pFileDlgForm->Cancel
 519                            || force_cancel)
 520                         return false;
 521                 else if (force_ok)
 522                         return true;
 523         }
 524 }
 525
 526
 527 // XForms objects callback (static)
 528 void FileDialog::Private::FileDlgCB(FL_OBJECT *, long lArgument)
 529 {
 530         if (!pCurrentDlg) return;
 531
 532         switch (lArgument) {
 533
 534         case 0: // get directory
 535                 pCurrentDlg->SetDirectory(fl_get_input(pFileDlgForm->DirBox));
 536                 pCurrentDlg->Reread();
 537                 break;
 538
 539         case 1: // get mask
 540                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 541                 pCurrentDlg->Reread();
 542                 break;
 543
 544         case 2: // list
 545                 pCurrentDlg->HandleListHit();
 546                 break;
 547
 548         case 10: // rescan
 549                 pCurrentDlg->SetDirectory(fl_get_input(pFileDlgForm->DirBox));
 550                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 551                 pCurrentDlg->Reread();
 552                 break;
 553
 554         case 11: // home
 555                 pCurrentDlg->SetDirectory(GetEnvPath("HOME"));
 556                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 557                 pCurrentDlg->Reread();
 558                 break;
 559
 560         case 12: // user button 1
 561                 if (!pCurrentDlg->pszUserPath1.empty()) {
 562                         pCurrentDlg->SetDirectory(pCurrentDlg->pszUserPath1);
 563                         pCurrentDlg->SetMask(fl_get_input(pFileDlgForm
 564                                                           ->PatBox));
 565                         pCurrentDlg->Reread();
 566                 }
 567                 break;
 568
 569         case 13: // user button 2
 570                 if (!pCurrentDlg->pszUserPath2.empty()) {
 571                         pCurrentDlg->SetDirectory(pCurrentDlg->pszUserPath2);
 572                         pCurrentDlg->SetMask(fl_get_input(pFileDlgForm
 573                                                           ->PatBox));
 574                         pCurrentDlg->Reread();
 575                 }
 576                 break;
 577
 578         }
 579 }
 580
 581
 582 // Handle callback from list
 583 void FileDialog::Private::HandleListHit()
 584 {
 585         // set info line
 586         int const iSelect = fl_get_browser(pFileDlgForm->List);
 587         if (iSelect > iDepth)  {
 588                 SetInfoLine(direntries[iSelect - iDepth - 1].pszLsEntry);
 589         } else {
 590                 SetInfoLine(string());
 591         }
 592 }
 593
 594
 595 // Callback for double click in list
 596 void FileDialog::Private::DoubleClickCB(FL_OBJECT *, long)
 597 {
 598         if (pCurrentDlg->HandleDoubleClick())
 599                 // Simulate click on OK button
 600                 pCurrentDlg->Force(false);
 601 }
 602
 603
 604 // Handle double click from list
 605 bool FileDialog::Private::HandleDoubleClick()
 606 {
 607         string pszTemp;
 608
 609         // set info line
 610         bool isDir = true;
 611         int const iSelect = fl_get_browser(pFileDlgForm->List);
 612         if (iSelect > iDepth)  {
 613                 pszTemp = direntries[iSelect - iDepth - 1].pszName;
 614                 SetInfoLine(direntries[iSelect - iDepth - 1].pszLsEntry);
 615                 if (!suffixIs(pszTemp, '/')) {
 616                         isDir = false;
 617                         fl_set_input(pFileDlgForm->Filename, pszTemp.c_str());
 618                 }
 619         } else if (iSelect != 0) {
 620                 SetInfoLine(string());
 621         } else
 622                 return true;
 623
 624         // executes action
 625         if (isDir) {
 626                 string Temp;
 627
 628                 // builds new directory name
 629                 if (iSelect > iDepth) {
 630                         // Directory deeper down
 631                         // First, get directory with trailing /
 632                         Temp = fl_get_input(pFileDlgForm->DirBox);
 633                         if (!suffixIs(Temp, '/'))
 634                                 Temp += '/';
 635                         Temp += pszTemp;
 636                 } else {
 637                         // Directory higher up
 638                         Temp.erase();
 639                         for (int i = 0; i < iSelect; ++i) {
 640                                 string piece = fl_get_browser_line(pFileDlgForm->List, i+1);
 641                                 // The '+2' is here to count the '@b' (JMarc)
 642                                 Temp += piece.substr(i + 2);
 643                         }
 644                 }
 645
 646                 // assigns it
 647                 SetDirectory(Temp);
 648                 Reread();
 649                 return false;
 650         }
 651         return true;
 652 }
 653
 654
 655 // Handle OK button call
 656 bool FileDialog::Private::HandleOK()
 657 {
 658         // mask was changed
 659         string pszTemp = fl_get_input(pFileDlgForm->PatBox);
 660         if (pszTemp != pszMask) {
 661                 SetMask(pszTemp);
 662                 Reread();
 663                 return false;
 664         }
 665
 666         // directory was changed
 667         pszTemp = fl_get_input(pFileDlgForm->DirBox);
 668         if (pszTemp!= pszDirectory) {
 669                 SetDirectory(pszTemp);
 670                 Reread();
 671                 return false;
 672         }
 673
 674         // Handle return from list
 675         int const select = fl_get_browser(pFileDlgForm->List);
 676         if (select > iDepth) {
 677                 string const temp = direntries[select - iDepth - 1].pszName;
 678                 if (!suffixIs(temp, '/')) {
 679                         // If user didn't type anything, use browser
 680                         string const name =
 681                                 fl_get_input(pFileDlgForm->Filename);
 682                         if (name.empty()) {
 683                                 fl_set_input(pFileDlgForm->Filename, temp.c_str());
 684                         }
 685                         return true;
 686                 }
 687         }
 688
 689         // Emulate a doubleclick
 690         return HandleDoubleClick();
 691 }
 692
 693
 694 // Handle Cancel CB from WM close
 695 int FileDialog::Private::CancelCB(FL_FORM *, void *)
 696 {
 697         // Simulate a click on the cancel button
 698         pCurrentDlg->Force(true);
 699         return FL_IGNORE;
 700 }
 701
 702
 703 // Simulates a click on OK/Cancel
 704 void FileDialog::Private::Force(bool cancel)
 705 {
 706         if (cancel) {
 707                 force_cancel = true;
 708                 fl_set_button(pFileDlgForm->Cancel, 1);
 709         } else {
 710                 force_ok = true;
 711                 fl_set_button(pFileDlgForm->Ready, 1);
 712         }
 713         // Start timer to break fl_do_forms loop soon
 714         fl_set_timer(pFileDlgForm->timer, 0.1);
 715 }
 716
 717
 718 // Select: launches dialog and returns selected file
 719 string const FileDialog::Private::Select(string const & title, string const & path,
 720                                 string const & mask, string const & suggested)
 721 {
 722         // handles new mask and path
 723         bool isOk = true;
 724         if (!mask.empty()) {
 725                 SetMask(mask);
 726                 isOk = false;
 727         }
 728         if (!path.empty()) {
 729                 SetDirectory(path);
 730                 isOk = false;
 731         }
 732         if (!isOk) Reread();
 733
 734         // highlight the suggested file in the browser, if it exists.
 735         int sel = 0;
 736         string const filename = OnlyFilename(suggested);
 737         if (!filename.empty()) {
 738                 for (int i = 0;
 739                      i < fl_get_browser_maxline(pFileDlgForm->List); ++i) {
 740                         string s =
 741                                 fl_get_browser_line(pFileDlgForm->List, i + 1);
 742                         s = strip(frontStrip(s));
 743                         if (s == filename) {
 744                                 sel = i + 1;
 745                                 break;
 746                         }
 747                 }
 748         }
 749
 750         if (sel != 0) fl_select_browser_line(pFileDlgForm->List, sel);
 751         int const top = max(sel - 5, 1);
 752         fl_set_browser_topline(pFileDlgForm->List, top);
 753
 754         // checks whether dialog can be started
 755         if (pCurrentDlg) return string();
 756         pCurrentDlg = this;
 757
 758         // runs dialog
 759         SetInfoLine(string());
 760         fl_set_input(pFileDlgForm->Filename, suggested.c_str());
 761         fl_set_button(pFileDlgForm->Cancel, 0);
 762         fl_set_button(pFileDlgForm->Ready, 0);
 763         fl_set_focus_object(pFileDlgForm->form, pFileDlgForm->Filename);
 764         fl_deactivate_all_forms();
 765         fl_show_form(pFileDlgForm->form,
 766                      FL_PLACE_MOUSE | FL_FREE_SIZE, 0,
 767                      title.c_str());
 768
 769         isOk = RunDialog();
 770
 771         fl_hide_form(pFileDlgForm->form);
 772         fl_activate_all_forms();
 773         pCurrentDlg = 0;
 774
 775         // Returns filename or string() if no valid selection was made
 776         if (!isOk || !fl_get_input(pFileDlgForm->Filename)[0]) return string();
 777
 778         pszFileName = fl_get_input(pFileDlgForm->Filename);
 779
 780         if (!AbsolutePath(pszFileName)) {
 781                 pszFileName = AddName(fl_get_input(pFileDlgForm->DirBox),
 782                                       pszFileName);
 783         }
 784         return pszFileName;
 785 }