src/filedlg.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 1995 Matthias Ettrich
   8  *           Copyright 1995-2000 The LyX Team.
   9  *
  10  * ====================================================== */
  11
  12 #include <config.h>
  13
  14 #include <unistd.h>
  15 #include <cstdlib>
  16 #include <pwd.h>
  17 #include <grp.h>
  18 #include <cstring>
  19 #include <map>
  20 #include <algorithm>
  21
  22 using std::map;
  23 using std::max;
  24 using std::sort;
  25
  26 #include "lyx_gui_misc.h" // CancelCloseCB
  27 #include "support/FileInfo.h"
  28 #include "support/lyxlib.h"
  29 #include "gettext.h"
  30 #include "frontends/Dialogs.h"
  31
  32 #ifdef HAVE_ERRNO_H
  33 #include <cerrno>
  34 #endif
  35
  36 #if HAVE_DIRENT_H
  37 # include <dirent.h>
  38 # define NAMLEN(dirent) strlen((dirent)->d_name)
  39 #else
  40 # define dirent direct
  41 # define NAMLEN(dirent) (dirent)->d_namlen
  42 # if HAVE_SYS_NDIR_H
  43 #  include <sys/ndir.h>
  44 # endif
  45 # if HAVE_SYS_DIR_H
  46 #  include <sys/dir.h>
  47 # endif
  48 # if HAVE_NDIR_H
  49 #  include <ndir.h>
  50 # endif
  51 #endif
  52
  53 #if TIME_WITH_SYS_TIME
  54 # include <sys/time.h>
  55 # include <ctime>
  56 #else
  57 # if HAVE_SYS_TIME_H
  58 #  include <sys/time.h>
  59 # else
  60 #  include <ctime>
  61 # endif
  62 #endif
  63
  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 "filedlg.h"
  74
  75 // six months, in seconds
  76 static const long SIX_MONTH_SEC = 6L * 30L * 24L * 60L * 60L;
  77 static const long ONE_HOUR_SEC = 60L * 60L;
  78
  79 // *** User cache class implementation
  80 /// User cache class definition
  81 class UserCache {
  82 public:
  83         /// seeks user name from group ID
  84         string const & find(uid_t ID) const {
  85                 Users::const_iterator cit = users.find(ID);
  86                 if (cit == users.end()) {
  87                         add(ID);
  88                         return users[ID];
  89                 }
  90                 return (*cit).second;
  91         }
  92 private:
  93         ///
  94         void add(uid_t ID) const;
  95         ///
  96         typedef map<uid_t, string> Users;
  97         ///
  98         mutable Users users;
  99 };
 100
 101
 102 void UserCache::add(uid_t ID) const
 103 {
 104         string pszNewName;
 105         struct passwd * pEntry;
 106
 107         // gets user name
 108         if ((pEntry = getpwuid(ID)))
 109                 pszNewName = pEntry->pw_name;
 110         else {
 111                 pszNewName = tostr(ID);
 112         }
 113
 114         // adds new node
 115         users[ID] = pszNewName;
 116 }
 117
 118
 119 /// Group cache class definition
 120 class GroupCache {
 121 public:
 122         /// seeks group name from group ID
 123         string const & find(gid_t ID) const ;
 124 private:
 125         ///
 126         void add(gid_t ID) const;
 127         ///
 128         typedef map<gid_t, string> Groups;
 129         ///
 130         mutable Groups groups;
 131 };
 132
 133
 134 string const & GroupCache::find(gid_t ID) const
 135 {
 136         Groups::const_iterator cit = groups.find(ID);
 137         if (cit == groups.end()) {
 138                 add(ID);
 139                 return groups[ID];
 140         }
 141         return (*cit).second;
 142 }
 143
 144
 145 void GroupCache::add(gid_t ID) const
 146 {
 147         string pszNewName;
 148         struct group * pEntry;
 149
 150         // gets user name
 151         if ((pEntry = getgrgid(ID))) pszNewName = pEntry->gr_name;
 152         else {
 153                 pszNewName = tostr(ID);
 154         }
 155         // adds new node
 156         groups[ID] = pszNewName;
 157 }
 158
 159
 160 // static instances
 161 static UserCache lyxUserCache;
 162 static GroupCache lyxGroupCache;
 163
 164
 165 // some "C" wrappers around callbacks
 166 extern "C" void C_LyXFileDlg_FileDlgCB(FL_OBJECT *, long lArgument);
 167 extern "C" void C_LyXFileDlg_DoubleClickCB(FL_OBJECT *, long);
 168 extern "C" int C_LyXFileDlg_CancelCB(FL_FORM *, void *);
 169
 170
 171 // compares two LyXDirEntry objects content (used for sort)
 172 class comp_direntry {
 173 public:
 174         int operator()(LyXDirEntry const & r1,
 175                        LyXDirEntry const & r2) const ;
 176 };
 177         int comp_direntry::operator()(LyXDirEntry const & r1,
 178                        LyXDirEntry const & r2) const {
 179                 bool r1d = suffixIs(r1.pszName, '/');
 180                 bool r2d = suffixIs(r2.pszName, '/');
 181                 if (r1d && !r2d) return 1;
 182                 if (!r1d && r2d) return 0;
 183                 return r1.pszName < r2.pszName;
 184         }
 185
 186
 187 // *** LyXFileDlg class implementation
 188
 189 // static members
 190 FD_FileDlg * LyXFileDlg::pFileDlgForm = 0;
 191 LyXFileDlg * LyXFileDlg::pCurrentDlg = 0;
 192
 193
 194 // Reread: updates dialog list to match class directory
 195 void LyXFileDlg::Reread()
 196 {
 197         // Opens directory
 198         DIR * pDirectory = ::opendir(pszDirectory.c_str());
 199         if (!pDirectory) {
 200                 WriteFSAlert(_("Warning! Couldn't open directory."),
 201                              pszDirectory);
 202                 pszDirectory = lyx::getcwd();
 203                 pDirectory = ::opendir(pszDirectory.c_str());
 204         }
 205
 206         // Clear the present namelist
 207         direntries.clear();
 208
 209         // Updates display
 210         fl_hide_object(pFileDlgForm->List);
 211         fl_clear_browser(pFileDlgForm->List);
 212         fl_set_input(pFileDlgForm->DirBox, pszDirectory.c_str());
 213
 214         // Splits complete directory name into directories and compute depth
 215         iDepth = 0;
 216         string line, Temp;
 217         char szMode[15];
 218         FileInfo fileInfo;
 219         string File = pszDirectory;
 220         if (File != "/") {
 221                 File = split(File, Temp, '/');
 222         }
 223         while (!File.empty() || !Temp.empty()) {
 224                 string dline = "@b"+line + Temp + '/';
 225                 fl_add_browser_line(pFileDlgForm->List, dline.c_str());
 226                 File = split(File, Temp, '/');
 227                 line += ' ';
 228                 ++iDepth;
 229         }
 230
 231         // Parses all entries of the given subdirectory
 232         time_t curTime = time(0);
 233         rewinddir(pDirectory);
 234         struct dirent * pDirEntry;
 235         while ((pDirEntry = readdir(pDirectory))) {
 236                 bool isLink = false, isDir = false;
 237
 238                 // If the pattern doesn't start with a dot, skip hidden files
 239                 if (!pszMask.empty() && pszMask[0] != '.' &&
 240                     pDirEntry->d_name[0] == '.')
 241                         continue;
 242
 243                 // Gets filename
 244                 string fname = pDirEntry->d_name;
 245
 246                 // Under all circumstances, "." and ".." are not wanted
 247                 if (fname == "." || fname == "..")
 248                         continue;
 249
 250                 // gets file status
 251                 File = AddName(pszDirectory, fname);
 252
 253                 fileInfo.newFile(File, true);
 254                 fileInfo.modeString(szMode);
 255                 unsigned int nlink = fileInfo.getNumberOfLinks();
 256                 string user =   lyxUserCache.find(fileInfo.getUid());
 257                 string group = lyxGroupCache.find(fileInfo.getGid());
 258
 259                 time_t modtime = fileInfo.getModificationTime();
 260                 string Time = ctime(&modtime);
 261
 262                 if (curTime > fileInfo.getModificationTime() + SIX_MONTH_SEC
 263                     || curTime < fileInfo.getModificationTime()
 264                     + ONE_HOUR_SEC) {
 265                         // The file is fairly old or in the future. POSIX says
 266                         // the cutoff is 6 months old. Allow a 1 hour slop
 267                         // factor for what is considered "the future", to
 268                         // allow for NFS server/client clock disagreement.
 269                         // Show the year instead of the time of day.
 270                         Time.erase(10, 9);
 271                         Time.erase(15, string::npos);
 272                 } else {
 273                         Time.erase(16, string::npos);
 274                 }
 275
 276                 string Buffer = string(szMode) + ' ' +
 277                         tostr(nlink) + ' ' +
 278                         user + ' ' +
 279                         group + ' ' +
 280                         Time.substr(4, string::npos) + ' ';
 281
 282                 Buffer += pDirEntry->d_name;
 283                 Buffer += fileInfo.typeIndicator();
 284
 285                 if ((isLink = fileInfo.isLink())) {
 286                         string Link;
 287
 288                         if (LyXReadLink(File, Link)) {
 289                                 Buffer += " -> ";
 290                                 Buffer += Link;
 291
 292                                 // This gives the FileType of the file that
 293                                 // is really pointed too after resolving all
 294                                 // symlinks. This is not necessarily the same
 295                                 // as the type of Link (which could again be a
 296                                 // link). Is that intended?
 297                                 //                              JV 199902
 298                                 fileInfo.newFile(File);
 299                                 Buffer += fileInfo.typeIndicator();
 300                         }
 301                 }
 302
 303                 // filters files according to pattern and type
 304                 if (fileInfo.isRegular()
 305                     || fileInfo.isChar()
 306                     || fileInfo.isBlock()
 307                     || fileInfo.isFifo()) {
 308                         if (!regexMatch(fname, pszMask))
 309                                 continue;
 310                 } else if (!(isDir = fileInfo.isDir()))
 311                         continue;
 312
 313                 LyXDirEntry tmp;
 314
 315                 // Note pszLsEntry is an string!
 316                 tmp.pszLsEntry = Buffer;
 317                 // creates used name
 318                 string temp = fname;
 319                 if (isDir) temp += '/';
 320
 321                 tmp.pszName = temp;
 322                 // creates displayed name
 323                 temp = pDirEntry->d_name;
 324                 if (isLink)
 325                         temp += '@';
 326                 else
 327                         temp += fileInfo.typeIndicator();
 328                 tmp.pszDisplayed = temp;
 329
 330                 direntries.push_back(tmp);
 331         }
 332
 333         closedir(pDirectory);
 334
 335         // Sort the names
 336         sort(direntries.begin(), direntries.end(), comp_direntry());
 337
 338         // Add them to directory box
 339         for (DirEntries::const_iterator cit = direntries.begin();
 340              cit != direntries.end(); ++cit) {
 341                 string const temp = line + (*cit).pszDisplayed;
 342                 fl_add_browser_line(pFileDlgForm->List, temp.c_str());
 343         }
 344         fl_set_browser_topline(pFileDlgForm->List, iDepth);
 345         fl_show_object(pFileDlgForm->List);
 346         iLastSel = -1;
 347 }
 348
 349
 350 // SetDirectory: sets dialog current directory
 351 void LyXFileDlg::SetDirectory(string const & Path)
 352 {
 353         if (!pszDirectory.empty()) {
 354                 string TempPath = ExpandPath(Path); // Expand ~/
 355                 TempPath = MakeAbsPath(TempPath, pszDirectory);
 356                 pszDirectory = MakeAbsPath(TempPath);
 357         } else pszDirectory = MakeAbsPath(Path);
 358 }
 359
 360
 361 // SetMask: sets dialog file mask
 362 void LyXFileDlg::SetMask(string const & NewMask)
 363 {
 364         pszMask = NewMask;
 365         fl_set_input(pFileDlgForm->PatBox, pszMask.c_str());
 366 }
 367
 368
 369 // SetInfoLine: sets dialog information line
 370 void LyXFileDlg::SetInfoLine(string const & Line)
 371 {
 372         pszInfoLine = Line;
 373         fl_set_object_label(pFileDlgForm->FileInfo, pszInfoLine.c_str());
 374 }
 375
 376
 377 LyXFileDlg::LyXFileDlg()
 378 {
 379         pszDirectory = MakeAbsPath(string("."));
 380         pszMask = '*';
 381
 382         // Creates form if necessary.
 383         if (!pFileDlgForm) {
 384                 pFileDlgForm = create_form_FileDlg();
 385                 // Set callbacks. This means that we don't need a patch file
 386                 fl_set_object_callback(pFileDlgForm->DirBox,
 387                                        C_LyXFileDlg_FileDlgCB, 0);
 388                 fl_set_object_callback(pFileDlgForm->PatBox,
 389                                        C_LyXFileDlg_FileDlgCB, 1);
 390                 fl_set_object_callback(pFileDlgForm->List,
 391                                        C_LyXFileDlg_FileDlgCB, 2);
 392                 fl_set_object_callback(pFileDlgForm->Filename,
 393                                        C_LyXFileDlg_FileDlgCB, 3);
 394                 fl_set_object_callback(pFileDlgForm->Rescan,
 395                                        C_LyXFileDlg_FileDlgCB, 10);
 396                 fl_set_object_callback(pFileDlgForm->Home,
 397                                        C_LyXFileDlg_FileDlgCB, 11);
 398                 fl_set_object_callback(pFileDlgForm->User1,
 399                                        C_LyXFileDlg_FileDlgCB, 12);
 400                 fl_set_object_callback(pFileDlgForm->User2,
 401                                        C_LyXFileDlg_FileDlgCB, 13);
 402
 403                 // Make sure pressing the close box doesn't crash LyX. (RvdK)
 404                 fl_set_form_atclose(pFileDlgForm->FileDlg,
 405                                     C_LyXFileDlg_CancelCB, 0);
 406                 // Register doubleclick callback
 407                 fl_set_browser_dblclick_callback(pFileDlgForm->List,
 408                                                  C_LyXFileDlg_DoubleClickCB,
 409                                                  0);
 410         }
 411         fl_hide_object(pFileDlgForm->User1);
 412         fl_hide_object(pFileDlgForm->User2);
 413
 414         r_ = Dialogs::redrawGUI.connect(SigC::slot(this, &LyXFileDlg::redraw));
 415 }
 416
 417
 418 LyXFileDlg::~LyXFileDlg()
 419 {
 420         r_.disconnect();
 421 }
 422
 423
 424 void LyXFileDlg::redraw()
 425 {
 426         if (pFileDlgForm->FileDlg && pFileDlgForm->FileDlg->visible)
 427                 fl_redraw_form(pFileDlgForm->FileDlg);
 428 }
 429
 430
 431 // SetButton: sets file selector user button action
 432 void LyXFileDlg::SetButton(int iIndex, string const & pszName,
 433                            string const & pszPath)
 434 {
 435         FL_OBJECT * pObject;
 436         string * pTemp;
 437
 438         if (iIndex == 0) {
 439                 pObject = pFileDlgForm->User1;
 440                 pTemp = &pszUserPath1;
 441         } else if (iIndex == 1) {
 442                 pObject = pFileDlgForm->User2;
 443                 pTemp = &pszUserPath2;
 444         } else return;
 445
 446         if (!pszName.empty() && !pszPath.empty()) {
 447                 fl_set_object_label(pObject, pszName.c_str());
 448                 fl_show_object(pObject);
 449                 *pTemp = pszPath;
 450         } else {
 451                 fl_hide_object(pObject);
 452                 (*pTemp).erase();
 453         }
 454 }
 455
 456
 457 // GetDirectory: gets last dialog directory
 458 string const LyXFileDlg::GetDirectory() const
 459 {
 460         if (!pszDirectory.empty())
 461                 return pszDirectory;
 462         else
 463                 return string(".");
 464 }
 465
 466
 467 // RunDialog: handle dialog during file selection
 468 bool LyXFileDlg::RunDialog()
 469 {
 470         force_cancel = false;
 471         force_ok = false;
 472
 473         // event loop
 474         while(true) {
 475                 FL_OBJECT * pObject = fl_do_forms();
 476
 477                 if (pObject == pFileDlgForm->Ready) {
 478                         if (HandleOK())
 479                                 return true;
 480                 } else if (pObject == pFileDlgForm->Cancel
 481                            || force_cancel)
 482                         return false;
 483                 else if (force_ok)
 484                         return true;
 485         }
 486 }
 487
 488
 489 // XForms objects callback (static)
 490 void LyXFileDlg::FileDlgCB(FL_OBJECT *, long lArgument)
 491 {
 492         if (!pCurrentDlg) return;
 493
 494         switch (lArgument) {
 495
 496         case 0: // get directory
 497                 pCurrentDlg->SetDirectory(fl_get_input(pFileDlgForm->DirBox));
 498                 pCurrentDlg->Reread();
 499                 break;
 500
 501         case 1: // get mask
 502                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 503                 pCurrentDlg->Reread();
 504                 break;
 505
 506         case 2: // list
 507                 pCurrentDlg->HandleListHit();
 508                 break;
 509
 510         case 10: // rescan
 511                 pCurrentDlg->SetDirectory(fl_get_input(pFileDlgForm->DirBox));
 512                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 513                 pCurrentDlg->Reread();
 514                 break;
 515
 516         case 11: // home
 517                 pCurrentDlg->SetDirectory(GetEnvPath("HOME"));
 518                 pCurrentDlg->SetMask(fl_get_input(pFileDlgForm->PatBox));
 519                 pCurrentDlg->Reread();
 520                 break;
 521
 522         case 12: // user button 1
 523                 if (!pCurrentDlg->pszUserPath1.empty()) {
 524                         pCurrentDlg->SetDirectory(pCurrentDlg->pszUserPath1);
 525                         pCurrentDlg->SetMask(fl_get_input(pFileDlgForm
 526                                                           ->PatBox));
 527                         pCurrentDlg->Reread();
 528                 }
 529                 break;
 530
 531         case 13: // user button 2
 532                 if (!pCurrentDlg->pszUserPath2.empty()) {
 533                         pCurrentDlg->SetDirectory(pCurrentDlg->pszUserPath2);
 534                         pCurrentDlg->SetMask(fl_get_input(pFileDlgForm
 535                                                           ->PatBox));
 536                         pCurrentDlg->Reread();
 537                 }
 538                 break;
 539
 540         }
 541 }
 542
 543
 544 extern "C" void C_LyXFileDlg_FileDlgCB(FL_OBJECT * ob, long data)
 545 {
 546         LyXFileDlg::FileDlgCB(ob, data);
 547 }
 548
 549
 550 // Handle callback from list
 551 void LyXFileDlg::HandleListHit()
 552 {
 553         // set info line
 554         int const iSelect = fl_get_browser(pFileDlgForm->List);
 555         if (iSelect > iDepth)  {
 556                 SetInfoLine(direntries[iSelect - iDepth - 1].pszLsEntry);
 557         } else {
 558                 SetInfoLine(string());
 559         }
 560 }
 561
 562
 563 // Callback for double click in list
 564 void LyXFileDlg::DoubleClickCB(FL_OBJECT *, long)
 565 {
 566         if (pCurrentDlg->HandleDoubleClick())
 567                 // Simulate click on OK button
 568                 pCurrentDlg->Force(false);
 569 }
 570
 571
 572 extern "C" void C_LyXFileDlg_DoubleClickCB(FL_OBJECT * ob, long data)
 573 {
 574         LyXFileDlg::DoubleClickCB(ob, data);
 575 }
 576
 577
 578 // Handle double click from list
 579 bool LyXFileDlg::HandleDoubleClick()
 580 {
 581         string pszTemp;
 582
 583         // set info line
 584         bool isDir = true;
 585         int const iSelect = fl_get_browser(pFileDlgForm->List);
 586         if (iSelect > iDepth)  {
 587                 pszTemp = direntries[iSelect - iDepth - 1].pszName;
 588                 SetInfoLine(direntries[iSelect - iDepth - 1].pszLsEntry);
 589                 if (!suffixIs(pszTemp, '/')) {
 590                         isDir = false;
 591                         fl_set_input(pFileDlgForm->Filename, pszTemp.c_str());
 592                 }
 593         } else if (iSelect != 0) {
 594                 SetInfoLine(string());
 595         } else
 596                 return true;
 597
 598         // executes action
 599         if (isDir) {
 600                 string Temp;
 601
 602                 // builds new directory name
 603                 if (iSelect > iDepth) {
 604                         // Directory deeper down
 605                         // First, get directory with trailing /
 606                         Temp = fl_get_input(pFileDlgForm->DirBox);
 607                         if (!suffixIs(Temp, '/'))
 608                                 Temp += '/';
 609                         Temp += pszTemp;
 610                 } else {
 611                         // Directory higher up
 612                         Temp.erase();
 613                         for (int i = 0; i < iSelect; ++i) {
 614                                 string piece = fl_get_browser_line(pFileDlgForm->List, i+1);
 615                                 // The '+2' is here to count the '@b' (JMarc)
 616                                 Temp += piece.substr(i + 2);
 617                         }
 618                 }
 619
 620                 // assigns it
 621                 SetDirectory(Temp);
 622                 Reread();
 623                 return false;
 624         }
 625         return true;
 626 }
 627
 628
 629 // Handle OK button call
 630 bool LyXFileDlg::HandleOK()
 631 {
 632         // mask was changed
 633         string pszTemp = fl_get_input(pFileDlgForm->PatBox);
 634         if (pszTemp != pszMask) {
 635                 SetMask(pszTemp);
 636                 Reread();
 637                 return false;
 638         }
 639
 640         // directory was changed
 641         pszTemp = fl_get_input(pFileDlgForm->DirBox);
 642         if (pszTemp!= pszDirectory) {
 643                 SetDirectory(pszTemp);
 644                 Reread();
 645                 return false;
 646         }
 647
 648         // Handle return from list
 649         int const select = fl_get_browser(pFileDlgForm->List);
 650         if (select > iDepth) {
 651                 string const temp = direntries[select - iDepth - 1].pszName;
 652                 if (!suffixIs(temp, '/')) {
 653                         // If user didn't type anything, use browser
 654                         string const name =
 655                                 fl_get_input(pFileDlgForm->Filename);
 656                         if (name.empty()) {
 657                                 fl_set_input(pFileDlgForm->Filename, temp.c_str());
 658                         }
 659                         return true;
 660                 }
 661         }
 662
 663         // Emulate a doubleclick
 664         return HandleDoubleClick();
 665 }
 666
 667
 668 // Handle Cancel CB from WM close
 669 int LyXFileDlg::CancelCB(FL_FORM *, void *)
 670 {
 671         // Simulate a click on the cancel button
 672         pCurrentDlg->Force(true);
 673         return FL_IGNORE;
 674 }
 675
 676
 677 extern "C" int C_LyXFileDlg_CancelCB(FL_FORM *fl, void *xev)
 678 {
 679         return LyXFileDlg::CancelCB(fl, xev);
 680 }
 681
 682
 683 // Simulates a click on OK/Cancel
 684 void LyXFileDlg::Force(bool cancel)
 685 {
 686         if (cancel) {
 687                 force_cancel = true;
 688                 fl_set_button(pFileDlgForm->Cancel, 1);
 689         } else {
 690                 force_ok = true;
 691                 fl_set_button(pFileDlgForm->Ready, 1);
 692         }
 693         // Start timer to break fl_do_forms loop soon
 694         fl_set_timer(pFileDlgForm->timer, 0.1);
 695 }
 696
 697
 698 // Select: launches dialog and returns selected file
 699 string const LyXFileDlg::Select(string const & title, string const & path,
 700                                 string const & mask, string const & suggested)
 701 {
 702         // handles new mask and path
 703         bool isOk = true;
 704         if (!mask.empty()) {
 705                 SetMask(mask);
 706                 isOk = false;
 707         }
 708         if (!path.empty()) {
 709                 SetDirectory(path);
 710                 isOk = false;
 711         }
 712         if (!isOk) Reread();
 713
 714         // highlight the suggested file in the browser, if it exists.
 715         int sel = 0;
 716         string const filename = OnlyFilename(suggested);
 717         if (!filename.empty()) {
 718                 for (int i = 0;
 719                      i < fl_get_browser_maxline(pFileDlgForm->List); ++i) {
 720                         string s =
 721                                 fl_get_browser_line(pFileDlgForm->List, i + 1);
 722                         s = strip(frontStrip(s));
 723                         if (s == filename) {
 724                                 sel = i + 1;
 725                                 break;
 726                         }
 727                 }
 728         }
 729
 730         if (sel != 0) fl_select_browser_line(pFileDlgForm->List, sel);
 731         int const top = max(sel - 5, 1);
 732         fl_set_browser_topline(pFileDlgForm->List, top);
 733
 734         // checks whether dialog can be started
 735         if (pCurrentDlg) return string();
 736         pCurrentDlg = this;
 737
 738         // runs dialog
 739         SetInfoLine(string());
 740         fl_set_input(pFileDlgForm->Filename, suggested.c_str());
 741         fl_set_button(pFileDlgForm->Cancel, 0);
 742         fl_set_button(pFileDlgForm->Ready, 0);
 743         fl_set_focus_object(pFileDlgForm->FileDlg, pFileDlgForm->Filename);
 744         fl_deactivate_all_forms();
 745         fl_show_form(pFileDlgForm->FileDlg,
 746                      FL_PLACE_MOUSE | FL_FREE_SIZE, FL_TRANSIENT,
 747                      title.c_str());
 748
 749         isOk = RunDialog();
 750
 751         fl_hide_form(pFileDlgForm->FileDlg);
 752         fl_activate_all_forms();
 753         pCurrentDlg = 0;
 754
 755         // Returns filename or string() if no valid selection was made
 756         if (!isOk || !fl_get_input(pFileDlgForm->Filename)[0]) return string();
 757
 758         pszFileName = fl_get_input(pFileDlgForm->Filename);
 759
 760         if (!AbsolutePath(pszFileName)) {
 761                 pszFileName = AddName(fl_get_input(pFileDlgForm->DirBox),
 762                                       pszFileName);
 763         }
 764         return pszFileName;
 765 }