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, moz@compsoc.man.ac.uk
   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 #include "forms_gettext.h"
  31
  32 #include <boost/bind.hpp>
  33
  34 #ifdef HAVE_ERRNO_H
  35 #include <cerrno>
  36 #endif
  37
  38 #if HAVE_DIRENT_H
  39 # include <dirent.h>
  40 # define NAMLEN(dirent) strlen((dirent)->d_name)
  41 #else
  42 # define dirent direct
  43 # define NAMLEN(dirent) (dirent)->d_namlen
  44 # if HAVE_SYS_NDIR_H
  45 #  include <sys/ndir.h>
  46 # endif
  47 # if HAVE_SYS_DIR_H
  48 #  include <sys/dir.h>
  49 # endif
  50 # if HAVE_NDIR_H
  51 #  include <ndir.h>
  52 # endif
  53 #endif
  54
  55 #if TIME_WITH_SYS_TIME
  56 # include <sys/time.h>
  57 # include <ctime>
  58 #else
  59 # if HAVE_SYS_TIME_H
  60 #  include <sys/time.h>
  61 # else
  62 #  include <ctime>
  63 # endif
  64 #endif
  65
  66 // FIXME: should be autoconfiscated
  67 #ifdef BROKEN_HEADERS
  68 extern "C" int gettimeofday(struct timeval *, struct timezone *);
  69 #endif
  70
  71 #ifdef __GNUG__
  72 #pragma implementation
  73 #endif
  74
  75 #include "support/filetools.h"
  76 #include "FormFiledialog.h"
  77 #include "forms/form_filedialog.h"
  78 #include FORMS_H_LOCATION
  79
  80 namespace {
  81
  82 // six months, in seconds
  83 long const SIX_MONTH_SEC = 6L * 30L * 24L * 60L * 60L;
  84 //static
  85 long const ONE_HOUR_SEC = 60L * 60L;
  86
  87 extern "C" {
  88
  89         static
  90         int C_LyXFileDlg_CancelCB(FL_FORM *fl, void *xev)
  91         {
  92                 return FileDialog::Private::CancelCB(fl, xev);
  93         }
  94
  95         static
  96         void C_LyXFileDlg_DoubleClickCB(FL_OBJECT * ob, long data)
  97         {
  98                 FileDialog::Private::DoubleClickCB(ob, data);
  99         }
 100
 101         static
 102         void C_LyXFileDlg_FileDlgCB(FL_OBJECT * ob, long data)
 103         {
 104                 FileDialog::Private::FileDlgCB(ob, data);
 105         }
 106
 107 }
 108
 109 } // namespace anon
 110
 111
 112 // *** User cache class implementation
 113 /// User cache class definition
 114 class UserCache {
 115 public:
 116         /// seeks user name from group ID
 117         string const & find(uid_t ID) const {
 118                 Users::const_iterator cit = users.find(ID);
 119                 if (cit == users.end()) {
 120                         add(ID);
 121                         return users[ID];
 122                 }
 123                 return cit->second;
 124         }
 125 private:
 126         ///
 127         void add(uid_t ID) const;
 128         ///
 129         typedef map<uid_t, string> Users;
 130         ///
 131         mutable Users users;
 132 };
 133
 134
 135 void UserCache::add(uid_t ID) const
 136 {
 137         string pszNewName;
 138         struct passwd * pEntry;
 139
 140         // gets user name
 141         if ((pEntry = getpwuid(ID)))
 142                 pszNewName = pEntry->pw_name;
 143         else {
 144                 pszNewName = tostr(ID);
 145         }
 146
 147         // adds new node
 148         users[ID] = pszNewName;
 149 }
 150
 151
 152 /// Group cache class definition
 153 class GroupCache {
 154 public:
 155         /// seeks group name from group ID
 156         string const & find(gid_t ID) const ;
 157 private:
 158         ///
 159         void add(gid_t ID) const;
 160         ///
 161         typedef map<gid_t, string> Groups;
 162         ///
 163         mutable Groups groups;
 164 };
 165
 166
 167 string const & GroupCache::find(gid_t ID) const
 168 {
 169         Groups::const_iterator cit = groups.find(ID);
 170         if (cit == groups.end()) {
 171                 add(ID);
 172                 return groups[ID];
 173         }
 174         return cit->second;
 175 }
 176
 177
 178 void GroupCache::add(gid_t ID) const
 179 {
 180         string pszNewName;
 181         struct group * pEntry;
 182
 183         // gets user name
 184         if ((pEntry = getgrgid(ID))) pszNewName = pEntry->gr_name;
 185         else {
 186                 pszNewName = tostr(ID);
 187         }
 188         // adds new node
 189         groups[ID] = pszNewName;
 190 }
 191
 192
 193 namespace {
 194
 195 // local instances
 196 UserCache lyxUserCache;
 197 GroupCache lyxGroupCache;
 198
 199 } // namespace anon
 200
 201
 202 // compares two LyXDirEntry objects content (used for sort)
 203 class comp_direntry {
 204 public:
 205         int operator()(DirEntry const & r1,
 206                        DirEntry const & r2) const ;
 207 };
 208         int comp_direntry::operator()(DirEntry const & r1,
 209                        DirEntry const & r2) const {
 210                 bool r1d = suffixIs(r1.pszName, '/');
 211                 bool r2d = suffixIs(r2.pszName, '/');
 212                 if (r1d && !r2d) return 1;
 213                 if (!r1d && r2d) return 0;
 214                 return r1.pszName < r2.pszName;
 215         }
 216
 217
 218 // *** FileDialog::Private class implementation
 219
 220 // static members
 221 FD_filedialog * FileDialog::Private::pFileDlgForm = 0;
 222 FileDialog::Private * FileDialog::Private::pCurrentDlg = 0;
 223
 224
 225 // Reread: updates dialog list to match class directory
 226 void FileDialog::Private::Reread()
 227 {
 228         // Opens directory
 229         DIR * pDirectory = ::opendir(pszDirectory.c_str());
 230         if (!pDirectory) {
 231                 Alert::err_alert(_("Warning! Couldn't open directory."),
 232                              pszDirectory);
 233                 pszDirectory = lyx::getcwd();
 234                 pDirectory = ::opendir(pszDirectory.c_str());
 235         }
 236
 237         // Clear the present namelist
 238         direntries.clear();
 239
 240         // Updates display
 241         fl_hide_object(pFileDlgForm->List);
 242         fl_clear_browser(pFileDlgForm->List);
 243         fl_set_input(pFileDlgForm->DirBox, pszDirectory.c_str());
 244
 245         // Splits complete directory name into directories and compute depth
 246         iDepth = 0;
 247         string line, Temp;
 248         char szMode[15];
 249         string File = pszDirectory;
 250         if (File != "/") {
 251                 File = split(File, Temp, '/');
 252         }
 253         while (!File.empty() || !Temp.empty()) {
 254                 string dline = "@b"+line + Temp + '/';
 255                 fl_add_browser_line(pFileDlgForm->List, dline.c_str());
 256                 File = split(File, Temp, '/');
 257                 line += ' ';
 258                 ++iDepth;
 259         }
 260
 261         // Parses all entries of the given subdirectory
 262         time_t curTime = time(0);
 263         rewinddir(pDirectory);
 264         struct dirent * pDirEntry;
 265         while ((pDirEntry = readdir(pDirectory))) {
 266                 bool isLink = false, isDir = false;
 267
 268                 // If the pattern doesn't start with a dot, skip hidden files
 269                 if (!pszMask.empty() && pszMask[0] != '.' &&
 270                     pDirEntry->d_name[0] == '.')
 271                         continue;
 272
 273                 // Gets filename
 274                 string fname = pDirEntry->d_name;
 275
 276                 // Under all circumstances, "." and ".." are not wanted
 277                 if (fname == "." || fname == "..")
 278                         continue;
 279
 280                 // gets file status
 281                 File = AddName(pszDirectory, fname);
 282
 283                 FileInfo fileInfo(File, true);
 284
 285                 // can this really happen?
 286                 if (!fileInfo.isOK())
 287                         continue;
 288
 289                 fileInfo.modeString(szMode);
 290                 unsigned int nlink = fileInfo.getNumberOfLinks();
 291                 string user =   lyxUserCache.find(fileInfo.getUid());
 292                 string group = lyxGroupCache.find(fileInfo.getGid());
 293
 294                 time_t modtime = fileInfo.getModificationTime();
 295                 string Time = ctime(&modtime);
 296
 297                 if (curTime > modtime + SIX_MONTH_SEC
 298                     || curTime < modtime + 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                         Time.erase(10, 9);
 305                         Time.erase(15, string::npos);
 306                 } else {
 307                         Time.erase(16, string::npos);
 308                 }
 309
 310                 string Buffer = string(szMode) + ' ' +
 311                         tostr(nlink) + ' ' +
 312                         user + ' ' +
 313                         group + ' ' +
 314                         Time.substr(4, string::npos) + ' ';
 315
 316                 Buffer += pDirEntry->d_name;
 317                 Buffer += fileInfo.typeIndicator();
 318
 319                 if ((isLink = fileInfo.isLink())) {
 320                         string Link;
 321
 322                         if (LyXReadLink(File, Link)) {
 323                                 Buffer += " -> ";
 324                                 Buffer += Link;
 325
 326                                 // This gives the FileType of the file that
 327                                 // is really pointed too after resolving all
 328                                 // symlinks. This is not necessarily the same
 329                                 // as the type of Link (which could again be a
 330                                 // link). Is that intended?
 331                                 //                              JV 199902
 332                                 fileInfo.newFile(File);
 333                                 if (fileInfo.isOK())
 334                                         Buffer += fileInfo.typeIndicator();
 335                                 else
 336                                         continue;
 337                         }
 338                 }
 339
 340                 // filters files according to pattern and type
 341                 if (fileInfo.isRegular()
 342                     || fileInfo.isChar()
 343                     || fileInfo.isBlock()
 344                     || fileInfo.isFifo()) {
 345                         if (!regexMatch(fname, pszMask))
 346                                 continue;
 347                 } else if (!(isDir = fileInfo.isDir()))
 348                         continue;
 349
 350                 DirEntry tmp;
 351
 352                 // Note pszLsEntry is an string!
 353                 tmp.pszLsEntry = Buffer;
 354                 // creates used name
 355                 string temp = fname;
 356                 if (isDir) temp += '/';
 357
 358                 tmp.pszName = temp;
 359                 // creates displayed name
 360                 temp = pDirEntry->d_name;
 361                 if (isLink)
 362                         temp += '@';
 363                 else
 364                         temp += fileInfo.typeIndicator();
 365                 tmp.pszDisplayed = temp;
 366
 367                 direntries.push_back(tmp);
 368         }
 369
 370         closedir(pDirectory);
 371
 372         // Sort the names
 373         sort(direntries.begin(), direntries.end(), comp_direntry());
 374
 375         // Add them to directory box
 376         for (DirEntries::const_iterator cit = direntries.begin();
 377              cit != direntries.end(); ++cit) {
 378                 string const temp = line + cit->pszDisplayed;
 379                 fl_add_browser_line(pFileDlgForm->List, temp.c_str());
 380         }
 381         fl_set_browser_topline(pFileDlgForm->List, iDepth);
 382         fl_show_object(pFileDlgForm->List);
 383         iLastSel = -1;
 384 }
 385
 386
 387 // SetDirectory: sets dialog current directory
 388 void FileDialog::Private::SetDirectory(string const & Path)
 389 {
 390
 391         string tmp;
 392
 393         if (Path.empty())
 394                 tmp = lyx::getcwd();
 395         else
 396                 tmp = MakeAbsPath(ExpandPath(Path), pszDirectory);
 397
 398         // must check the directory exists
 399         DIR * pDirectory = ::opendir(tmp.c_str());
 400         if (!pDirectory) {
 401                 Alert::err_alert(_("Warning! Couldn't open directory."), tmp);
 402         } else {
 403                 ::closedir(pDirectory);
 404                 pszDirectory = tmp;
 405         }
 406 }
 407
 408
 409 // SetMask: sets dialog file mask
 410 void FileDialog::Private::SetMask(string const & NewMask)
 411 {
 412         pszMask = NewMask;
 413         fl_set_input(pFileDlgForm->PatBox, pszMask.c_str());
 414 }
 415
 416
 417 // SetInfoLine: sets dialog information line
 418 void FileDialog::Private::SetInfoLine(string const & Line)
 419 {
 420         pszInfoLine = Line;
 421         fl_set_object_label(pFileDlgForm->FileInfo, pszInfoLine.c_str());
 422 }
 423
 424
 425 FileDialog::Private::Private()
 426 {
 427         pszDirectory = MakeAbsPath(string("."));
 428         pszMask = '*';
 429
 430         // Creates form if necessary.
 431         if (!pFileDlgForm) {
 432                 pFileDlgForm = build_filedialog(this);
 433                 // Set callbacks. This means that we don't need a patch file
 434                 fl_set_object_callback(pFileDlgForm->DirBox,
 435                                        C_LyXFileDlg_FileDlgCB, 0);
 436                 fl_set_object_callback(pFileDlgForm->PatBox,
 437                                        C_LyXFileDlg_FileDlgCB, 1);
 438                 fl_set_object_callback(pFileDlgForm->List,
 439                                        C_LyXFileDlg_FileDlgCB, 2);
 440                 fl_set_object_callback(pFileDlgForm->Filename,
 441                                        C_LyXFileDlg_FileDlgCB, 3);
 442                 fl_set_object_callback(pFileDlgForm->Rescan,
 443                                        C_LyXFileDlg_FileDlgCB, 10);
 444                 fl_set_object_callback(pFileDlgForm->Home,
 445                                        C_LyXFileDlg_FileDlgCB, 11);
 446                 fl_set_object_callback(pFileDlgForm->User1,
 447                                        C_LyXFileDlg_FileDlgCB, 12);
 448                 fl_set_object_callback(pFileDlgForm->User2,
 449                                        C_LyXFileDlg_FileDlgCB, 13);
 450
 451                 // Make sure pressing the close box doesn't crash LyX. (RvdK)
 452                 fl_set_form_atclose(pFileDlgForm->form,
 453                                     C_LyXFileDlg_CancelCB, 0);
 454                 // Register doubleclick callback
 455                 fl_set_browser_dblclick_callback(pFileDlgForm->List,
 456                                                  C_LyXFileDlg_DoubleClickCB,
 457                                                  0);
 458         }
 459         fl_hide_object(pFileDlgForm->User1);
 460         fl_hide_object(pFileDlgForm->User2);
 461
 462         r_ = Dialogs::redrawGUI.connect(boost::bind(&FileDialog::Private::redraw, this));
 463 }
 464
 465
 466 FileDialog::Private::~Private()
 467 {
 468         r_.disconnect();
 469 }
 470
 471
 472 void FileDialog::Private::redraw()
 473 {
 474         if (pFileDlgForm->form && pFileDlgForm->form->visible)
 475                 fl_redraw_form(pFileDlgForm->form);
 476 }
 477
 478
 479 // SetButton: sets file selector user button action
 480 void FileDialog::Private::SetButton(int iIndex, string const & pszName,
 481                            string const & pszPath)
 482 {
 483         FL_OBJECT * pObject;
 484         string * pTemp;
 485
 486         if (iIndex == 0) {
 487                 pObject = pFileDlgForm->User1;
 488                 pTemp = &pszUserPath1;
 489         } else if (iIndex == 1) {
 490                 pObject = pFileDlgForm->User2;
 491                 pTemp = &pszUserPath2;
 492         } else return;
 493
 494         if (!pszName.empty()) {
 495                 fl_set_object_label(pObject, idex(pszName.c_str()));
 496                 fl_set_button_shortcut(pObject, scex(pszName.c_str()), 1);
 497                 fl_show_object(pObject);
 498                 *pTemp = pszPath;
 499         } else {
 500                 fl_hide_object(pObject);
 501                 pTemp->erase();
 502         }
 503 }
 504
 505
 506 // GetDirectory: gets last dialog directory
 507 string const FileDialog::Private::GetDirectory() const
 508 {
 509         if (!pszDirectory.empty())
 510                 return pszDirectory;
 511         else
 512                 return string(".");
 513 }
 514
 515 namespace {
 516         bool x_sync_kludge(bool ret)
 517         {
 518                 XSync(fl_get_display(), false);
 519                 return ret;
 520         }
 521 } // namespace anon
 522
 523 // RunDialog: handle dialog during file selection
 524 bool FileDialog::Private::RunDialog()
 525 {
 526         force_cancel = false;
 527         force_ok = false;
 528
 529         // event loop
 530         while (true) {
 531                 FL_OBJECT * pObject = fl_do_forms();
 532
 533                 if (pObject == pFileDlgForm->Ready) {
 534                         if (HandleOK())
 535                                 return x_sync_kludge(true);
 536
 537                 } else if (pObject == pFileDlgForm->Cancel
 538                            || force_cancel)
 539                         return x_sync_kludge(false);
 540
 541                 else if (force_ok)
 542                         return x_sync_kludge(true);
 543         }
 544 }
 545
 546
 547 // XForms objects callback (static)
 548 void FileDialog::Private::FileDlgCB(FL_OBJECT *, long lArgument)
 549 {
 550         if (!pCurrentDlg) return;
 551
 552         switch (lArgument) {
 553
 554         case 0: // get directory
 555                 pCurrentDlg->SetDirectory(fl_get_input(pFileDlgForm->DirBox));
 556                 pCurrentDlg->Reread();
 557                 break;
 558
 559         case 1: // get mask
 560                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 561                 pCurrentDlg->Reread();
 562                 break;
 563
 564         case 2: // list
 565                 pCurrentDlg->HandleListHit();
 566                 break;
 567
 568         case 10: // rescan
 569                 pCurrentDlg->SetDirectory(fl_get_input(pFileDlgForm->DirBox));
 570                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 571                 pCurrentDlg->Reread();
 572                 break;
 573
 574         case 11: // home
 575                 pCurrentDlg->SetDirectory(GetEnvPath("HOME"));
 576                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 577                 pCurrentDlg->Reread();
 578                 break;
 579
 580         case 12: // user button 1
 581                 pCurrentDlg->SetDirectory(pCurrentDlg->pszUserPath1);
 582                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm
 583                                                   ->PatBox));
 584                 pCurrentDlg->Reread();
 585                 break;
 586
 587         case 13: // user button 2
 588                 pCurrentDlg->SetDirectory(pCurrentDlg->pszUserPath2);
 589                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm
 590                                                   ->PatBox));
 591                 pCurrentDlg->Reread();
 592                 break;
 593
 594         }
 595 }
 596
 597
 598 // Handle callback from list
 599 void FileDialog::Private::HandleListHit()
 600 {
 601         // set info line
 602         int const iSelect = fl_get_browser(pFileDlgForm->List);
 603         if (iSelect > iDepth)  {
 604                 SetInfoLine(direntries[iSelect - iDepth - 1].pszLsEntry);
 605         } else {
 606                 SetInfoLine(string());
 607         }
 608 }
 609
 610
 611 // Callback for double click in list
 612 void FileDialog::Private::DoubleClickCB(FL_OBJECT *, long)
 613 {
 614         if (pCurrentDlg->HandleDoubleClick())
 615                 // Simulate click on OK button
 616                 pCurrentDlg->Force(false);
 617 }
 618
 619
 620 // Handle double click from list
 621 bool FileDialog::Private::HandleDoubleClick()
 622 {
 623         string pszTemp;
 624
 625         // set info line
 626         bool isDir = true;
 627         int const iSelect = fl_get_browser(pFileDlgForm->List);
 628         if (iSelect > iDepth)  {
 629                 pszTemp = direntries[iSelect - iDepth - 1].pszName;
 630                 SetInfoLine(direntries[iSelect - iDepth - 1].pszLsEntry);
 631                 if (!suffixIs(pszTemp, '/')) {
 632                         isDir = false;
 633                         fl_set_input(pFileDlgForm->Filename, pszTemp.c_str());
 634                 }
 635         } else if (iSelect != 0) {
 636                 SetInfoLine(string());
 637         } else
 638                 return true;
 639
 640         // executes action
 641         if (isDir) {
 642                 string Temp;
 643
 644                 // builds new directory name
 645                 if (iSelect > iDepth) {
 646                         // Directory deeper down
 647                         // First, get directory with trailing /
 648                         Temp = fl_get_input(pFileDlgForm->DirBox);
 649                         if (!suffixIs(Temp, '/'))
 650                                 Temp += '/';
 651                         Temp += pszTemp;
 652                 } else {
 653                         // Directory higher up
 654                         Temp.erase();
 655                         for (int i = 0; i < iSelect; ++i) {
 656                                 string piece = fl_get_browser_line(pFileDlgForm->List, i+1);
 657                                 // The '+2' is here to count the '@b' (JMarc)
 658                                 Temp += piece.substr(i + 2);
 659                         }
 660                 }
 661
 662                 // assigns it
 663                 SetDirectory(Temp);
 664                 Reread();
 665                 return false;
 666         }
 667         return true;
 668 }
 669
 670
 671 // Handle OK button call
 672 bool FileDialog::Private::HandleOK()
 673 {
 674         // mask was changed
 675         string pszTemp = fl_get_input(pFileDlgForm->PatBox);
 676         if (pszTemp != pszMask) {
 677                 SetMask(pszTemp);
 678                 Reread();
 679                 return false;
 680         }
 681
 682         // directory was changed
 683         pszTemp = fl_get_input(pFileDlgForm->DirBox);
 684         if (pszTemp!= pszDirectory) {
 685                 SetDirectory(pszTemp);
 686                 Reread();
 687                 return false;
 688         }
 689
 690         // Handle return from list
 691         int const select = fl_get_browser(pFileDlgForm->List);
 692         if (select > iDepth) {
 693                 string const temp = direntries[select - iDepth - 1].pszName;
 694                 if (!suffixIs(temp, '/')) {
 695                         // If user didn't type anything, use browser
 696                         string const name =
 697                                 fl_get_input(pFileDlgForm->Filename);
 698                         if (name.empty()) {
 699                                 fl_set_input(pFileDlgForm->Filename, temp.c_str());
 700                         }
 701                         return true;
 702                 }
 703         }
 704
 705         // Emulate a doubleclick
 706         return HandleDoubleClick();
 707 }
 708
 709
 710 // Handle Cancel CB from WM close
 711 int FileDialog::Private::CancelCB(FL_FORM *, void *)
 712 {
 713         // Simulate a click on the cancel button
 714         pCurrentDlg->Force(true);
 715         return FL_IGNORE;
 716 }
 717
 718
 719 // Simulates a click on OK/Cancel
 720 void FileDialog::Private::Force(bool cancel)
 721 {
 722         if (cancel) {
 723                 force_cancel = true;
 724                 fl_set_button(pFileDlgForm->Cancel, 1);
 725         } else {
 726                 force_ok = true;
 727                 fl_set_button(pFileDlgForm->Ready, 1);
 728         }
 729         // Start timer to break fl_do_forms loop soon
 730         fl_set_timer(pFileDlgForm->timer, 0.1);
 731 }
 732
 733
 734 // Select: launches dialog and returns selected file
 735 string const FileDialog::Private::Select(string const & title,
 736                                          string const & path,
 737                                          string const & mask,
 738                                          string const & suggested)
 739 {
 740         // handles new mask and path
 741         bool isOk = true;
 742         if (!mask.empty()) {
 743                 SetMask(mask);
 744                 isOk = false;
 745         }
 746         if (!path.empty()) {
 747                 SetDirectory(path);
 748                 isOk = false;
 749         }
 750         if (!isOk) Reread();
 751
 752         // highlight the suggested file in the browser, if it exists.
 753         int sel = 0;
 754         string const filename = OnlyFilename(suggested);
 755         if (!filename.empty()) {
 756                 for (int i = 0;
 757                      i < fl_get_browser_maxline(pFileDlgForm->List); ++i) {
 758                         string s =
 759                                 fl_get_browser_line(pFileDlgForm->List, i + 1);
 760                         s = strip(frontStrip(s));
 761                         if (s == filename) {
 762                                 sel = i + 1;
 763                                 break;
 764                         }
 765                 }
 766         }
 767
 768         if (sel != 0) fl_select_browser_line(pFileDlgForm->List, sel);
 769         int const top = max(sel - 5, 1);
 770         fl_set_browser_topline(pFileDlgForm->List, top);
 771
 772         // checks whether dialog can be started
 773         if (pCurrentDlg) return string();
 774         pCurrentDlg = this;
 775
 776         // runs dialog
 777         SetInfoLine(string());
 778         fl_set_input(pFileDlgForm->Filename, suggested.c_str());
 779         fl_set_button(pFileDlgForm->Cancel, 0);
 780         fl_set_button(pFileDlgForm->Ready, 0);
 781         fl_set_focus_object(pFileDlgForm->form, pFileDlgForm->Filename);
 782         fl_deactivate_all_forms();
 783         fl_show_form(pFileDlgForm->form,
 784                      FL_PLACE_MOUSE | FL_FREE_SIZE, 0,
 785                      title.c_str());
 786
 787         isOk = RunDialog();
 788
 789         fl_hide_form(pFileDlgForm->form);
 790         fl_activate_all_forms();
 791         pCurrentDlg = 0;
 792
 793         // Returns filename or string() if no valid selection was made
 794         if (!isOk || !fl_get_input(pFileDlgForm->Filename)[0]) return string();
 795
 796         pszFileName = fl_get_input(pFileDlgForm->Filename);
 797
 798         if (!AbsolutePath(pszFileName)) {
 799                 pszFileName = AddName(fl_get_input(pFileDlgForm->DirBox),
 800                                       pszFileName);
 801         }
 802         return pszFileName;
 803 }