src/frontends/xforms/FormFiledialog.C

   1 /**
   2  * \file FormFiledialog.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author unknown
   7  * \author John Levon
   8  *
   9  * Full author contact details are available in file CREDITS
  10  */
  11
  12 #include <config.h>
  13
  14 #include <unistd.h>
  15 #include <cstdlib>
  16 #include <pwd.h>
  17 #include <grp.h>
  18 #include <map>
  19 #include <algorithm>
  20
  21 using std::map;
  22 using std::max;
  23 using std::sort;
  24
  25 #include "frontends/Alert.h"
  26 #include "support/FileInfo.h"
  27 #include "support/lyxlib.h"
  28 #include "support/lstrings.h"
  29 #include "gettext.h"
  30 #include "frontends/Dialogs.h"
  31 #include "forms_gettext.h"
  32 #include "xforms_helpers.h"
  33
  34 #include <boost/bind.hpp>
  35
  36 //#ifdef HAVE_ERRNO_H
  37 //#include <cerrno>
  38 //#endif
  39
  40 #if HAVE_DIRENT_H
  41 # include <dirent.h>
  42 #else
  43 # define dirent direct
  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
  56 #include "support/filetools.h"
  57 #include "FormFiledialog.h"
  58 #include "forms/form_filedialog.h"
  59 #include FORMS_H_LOCATION
  60
  61 namespace {
  62
  63 // six months, in seconds
  64 long const SIX_MONTH_SEC = 6L * 30L * 24L * 60L * 60L;
  65 //static
  66 long const ONE_HOUR_SEC = 60L * 60L;
  67
  68 extern "C" {
  69
  70         static
  71         int C_LyXFileDlg_CancelCB(FL_FORM *fl, void *xev)
  72         {
  73                 return FileDialog::Private::CancelCB(fl, xev);
  74         }
  75
  76         static
  77         void C_LyXFileDlg_DoubleClickCB(FL_OBJECT * ob, long data)
  78         {
  79                 FileDialog::Private::DoubleClickCB(ob, data);
  80         }
  81
  82         static
  83         void C_LyXFileDlg_FileDlgCB(FL_OBJECT * ob, long data)
  84         {
  85                 FileDialog::Private::FileDlgCB(ob, data);
  86         }
  87
  88 }
  89
  90 // *** User cache class implementation
  91 /// User cache class definition
  92 class UserCache {
  93 public:
  94         /// seeks user name from group ID
  95         string const & find(uid_t ID) const {
  96                 Users::const_iterator cit = users.find(ID);
  97                 if (cit == users.end()) {
  98                         add(ID);
  99                         return users[ID];
 100                 }
 101                 return cit->second;
 102         }
 103 private:
 104         ///
 105         void add(uid_t ID) const;
 106         ///
 107         typedef map<uid_t, string> Users;
 108         ///
 109         mutable Users users;
 110 };
 111
 112
 113 void UserCache::add(uid_t ID) const
 114 {
 115         struct passwd const * entry = getpwuid(ID);
 116         users[ID] = entry ? entry->pw_name : tostr(ID);
 117 }
 118
 119
 120 /// Group cache class definition
 121 class GroupCache {
 122 public:
 123         /// seeks group name from group ID
 124         string const & find(gid_t ID) const ;
 125 private:
 126         ///
 127         void add(gid_t ID) const;
 128         ///
 129         typedef map<gid_t, string> Groups;
 130         ///
 131         mutable Groups groups;
 132 };
 133
 134
 135 string const & GroupCache::find(gid_t ID) const
 136 {
 137         Groups::const_iterator cit = groups.find(ID);
 138         if (cit == groups.end()) {
 139                 add(ID);
 140                 return groups[ID];
 141         }
 142         return cit->second;
 143 }
 144
 145
 146 void GroupCache::add(gid_t ID) const
 147 {
 148         struct group const * entry = getgrgid(ID);
 149         groups[ID] = entry ? entry->gr_name : tostr(ID);
 150 }
 151
 152 // local instances
 153 UserCache lyxUserCache;
 154 GroupCache lyxGroupCache;
 155
 156 // compares two LyXDirEntry objects content (used for sort)
 157 class comp_direntry {
 158 public:
 159         bool operator()(DirEntry const & r1, DirEntry const & r2) const
 160         {
 161                 bool const r1d = suffixIs(r1.name_, '/');
 162                 bool const r2d = suffixIs(r2.name_, '/');
 163                 if (r1d && !r2d)
 164                         return true;
 165                 if (!r1d && r2d)
 166                         return false;
 167                 return r1.name_ < r2.name_;
 168         }
 169 };
 170
 171
 172 } // namespace anon
 173
 174
 175
 176 // *** FileDialog::Private class implementation
 177
 178 // static members
 179 FD_filedialog * FileDialog::Private::file_dlg_form_ = 0;
 180 FileDialog::Private * FileDialog::Private::current_dlg_ = 0;
 181 int FileDialog::Private::minw_ = 0;
 182 int FileDialog::Private::minh_ = 0;
 183
 184
 185 // Reread: updates dialog list to match class directory
 186 void FileDialog::Private::Reread()
 187 {
 188         // Opens directory
 189         DIR * dir = ::opendir(directory_.c_str());
 190         if (!dir) {
 191                 Alert::err_alert(_("Warning! Couldn't open directory."),
 192                         directory_);
 193                 directory_ = lyx::getcwd();
 194                 dir = ::opendir(directory_.c_str());
 195         }
 196
 197         // Clear the present namelist
 198         dir_entries_.clear();
 199
 200         // Updates display
 201         fl_hide_object(file_dlg_form_->List);
 202         fl_clear_browser(file_dlg_form_->List);
 203         fl_set_input(file_dlg_form_->DirBox, directory_.c_str());
 204
 205         // Splits complete directory name into directories and compute depth
 206         depth_ = 0;
 207         string line, Temp;
 208         string mode;
 209         string File = directory_;
 210         if (File != "/") {
 211                 File = split(File, Temp, '/');
 212         }
 213         while (!File.empty() || !Temp.empty()) {
 214                 string dline = "@b" + line + Temp + '/';
 215                 fl_add_browser_line(file_dlg_form_->List, dline.c_str());
 216                 File = split(File, Temp, '/');
 217                 line += ' ';
 218                 ++depth_;
 219         }
 220
 221         // Parses all entries of the given subdirectory
 222         time_t curTime = time(0);
 223         rewinddir(dir);
 224         while (dirent * entry = readdir(dir)) {
 225                 bool isLink = false, isDir = false;
 226
 227                 // If the pattern doesn't start with a dot, skip hidden files
 228                 if (!mask_.empty() && mask_[0] != '.' &&
 229                     entry->d_name[0] == '.')
 230                         continue;
 231
 232                 // Gets filename
 233                 string fname = entry->d_name;
 234
 235                 // Under all circumstances, "." and ".." are not wanted
 236                 if (fname == "." || fname == "..")
 237                         continue;
 238
 239                 // gets file status
 240                 File = AddName(directory_, fname);
 241
 242                 FileInfo fileInfo(File, true);
 243
 244                 // can this really happen?
 245                 if (!fileInfo.isOK())
 246                         continue;
 247
 248                 mode = fileInfo.modeString();
 249                 unsigned int const nlink = fileInfo.getNumberOfLinks();
 250                 string const user  = lyxUserCache.find(fileInfo.getUid());
 251                 string const group = lyxGroupCache.find(fileInfo.getGid());
 252
 253                 time_t modtime = fileInfo.getModificationTime();
 254                 string Time = ctime(&modtime);
 255
 256                 if (curTime > modtime + SIX_MONTH_SEC
 257                     || curTime < modtime + ONE_HOUR_SEC) {
 258                         // The file is fairly old or in the future. POSIX says
 259                         // the cutoff is 6 months old. Allow a 1 hour slop
 260                         // factor for what is considered "the future", to
 261                         // allow for NFS server/client clock disagreement.
 262                         // Show the year instead of the time of day.
 263                         Time.erase(10, 9);
 264                         Time.erase(15, string::npos);
 265                 } else {
 266                         Time.erase(16, string::npos);
 267                 }
 268
 269                 string buffer = mode + ' ' +
 270                         tostr(nlink) + ' ' +
 271                         user + ' ' +
 272                         group + ' ' +
 273                         Time.substr(4, string::npos) + ' ';
 274
 275                 buffer += entry->d_name;
 276                 buffer += fileInfo.typeIndicator();
 277
 278                 isLink = fileInfo.isLink();
 279                 if (isLink) {
 280                         string Link;
 281
 282                         if (LyXReadLink(File, Link)) {
 283                                 buffer += " -> ";
 284                                 buffer += Link;
 285
 286                                 // This gives the FileType of the file that
 287                                 // is really pointed too after resolving all
 288                                 // symlinks. This is not necessarily the same
 289                                 // as the type of Link (which could again be a
 290                                 // link). Is that intended?
 291                                 //                              JV 199902
 292                                 fileInfo.newFile(File);
 293                                 if (fileInfo.isOK())
 294                                         buffer += fileInfo.typeIndicator();
 295                                 else
 296                                         continue;
 297                         }
 298                 }
 299
 300                 // filters files according to pattern and type
 301                 if (fileInfo.isRegular()
 302                     || fileInfo.isChar()
 303                     || fileInfo.isBlock()
 304                     || fileInfo.isFifo()) {
 305                         if (!regexMatch(fname, mask_))
 306                                 continue;
 307                 } else if (!(isDir = fileInfo.isDir()))
 308                         continue;
 309
 310                 DirEntry tmp;
 311
 312                 // Note ls_entry_ is an string!
 313                 tmp.ls_entry_ = buffer;
 314                 // creates used name
 315                 string temp = fname;
 316                 if (isDir)
 317                         temp += '/';
 318
 319                 tmp.name_ = temp;
 320                 // creates displayed name
 321                 temp = entry->d_name;
 322                 if (isLink)
 323                         temp += '@';
 324                 else
 325                         temp += fileInfo.typeIndicator();
 326                 tmp.displayed_ = temp;
 327
 328                 dir_entries_.push_back(tmp);
 329         }
 330
 331         closedir(dir);
 332
 333         // Sort the names
 334         sort(dir_entries_.begin(), dir_entries_.end(), comp_direntry());
 335
 336         // Add them to directory box
 337         for (DirEntries::const_iterator cit = dir_entries_.begin();
 338              cit != dir_entries_.end(); ++cit) {
 339                 string const temp = line + cit->displayed_;
 340                 fl_add_browser_line(file_dlg_form_->List, temp.c_str());
 341         }
 342         fl_set_browser_topline(file_dlg_form_->List, depth_);
 343         fl_show_object(file_dlg_form_->List);
 344         last_sel_ = -1;
 345 }
 346
 347
 348 // SetDirectory: sets dialog current directory
 349 void FileDialog::Private::SetDirectory(string const & path)
 350 {
 351         string tmp;
 352         if (path.empty())
 353                 tmp = lyx::getcwd();
 354         else
 355                 tmp = MakeAbsPath(ExpandPath(path), directory_);
 356
 357         // must check the directory exists
 358         DIR * dir = ::opendir(tmp.c_str());
 359         if (!dir) {
 360                 Alert::err_alert(_("Warning! Couldn't open directory."), tmp);
 361         } else {
 362                 ::closedir(dir);
 363                 directory_ = tmp;
 364         }
 365 }
 366
 367
 368 // SetMask: sets dialog file mask
 369 void FileDialog::Private::SetMask(string const & newmask)
 370 {
 371         mask_ = newmask;
 372         fl_set_input(file_dlg_form_->PatBox, mask_.c_str());
 373 }
 374
 375
 376 // SetInfoLine: sets dialog information line
 377 void FileDialog::Private::SetInfoLine(string const & line)
 378 {
 379         info_line_ = line;
 380         fl_set_object_label(file_dlg_form_->FileInfo, info_line_.c_str());
 381 }
 382
 383
 384 FileDialog::Private::Private()
 385 {
 386         directory_ = MakeAbsPath(string("."));
 387         mask_ = '*';
 388
 389         // Creates form if necessary.
 390         if (!file_dlg_form_) {
 391                 file_dlg_form_ = build_filedialog(this);
 392                 minw_ = file_dlg_form_->form->w;
 393                 minh_ = file_dlg_form_->form->h;
 394                 // Set callbacks. This means that we don't need a patch file
 395                 fl_set_object_callback(file_dlg_form_->DirBox,
 396                                        C_LyXFileDlg_FileDlgCB, 0);
 397                 fl_set_object_callback(file_dlg_form_->PatBox,
 398                                        C_LyXFileDlg_FileDlgCB, 1);
 399                 fl_set_object_callback(file_dlg_form_->List,
 400                                        C_LyXFileDlg_FileDlgCB, 2);
 401                 fl_set_object_callback(file_dlg_form_->Filename,
 402                                        C_LyXFileDlg_FileDlgCB, 3);
 403                 fl_set_object_callback(file_dlg_form_->Rescan,
 404                                        C_LyXFileDlg_FileDlgCB, 10);
 405                 fl_set_object_callback(file_dlg_form_->Home,
 406                                        C_LyXFileDlg_FileDlgCB, 11);
 407                 fl_set_object_callback(file_dlg_form_->User1,
 408                                        C_LyXFileDlg_FileDlgCB, 12);
 409                 fl_set_object_callback(file_dlg_form_->User2,
 410                                        C_LyXFileDlg_FileDlgCB, 13);
 411
 412                 // Make sure pressing the close box doesn't crash LyX. (RvdK)
 413                 fl_set_form_atclose(file_dlg_form_->form,
 414                                     C_LyXFileDlg_CancelCB, 0);
 415                 // Register doubleclick callback
 416                 fl_set_browser_dblclick_callback(file_dlg_form_->List,
 417                                                  C_LyXFileDlg_DoubleClickCB,
 418                                                  0);
 419         }
 420         fl_hide_object(file_dlg_form_->User1);
 421         fl_hide_object(file_dlg_form_->User2);
 422
 423         r_ = Dialogs::redrawGUI().connect(boost::bind(&FileDialog::Private::redraw, this));
 424 }
 425
 426
 427 FileDialog::Private::~Private()
 428 {
 429         r_.disconnect();
 430 }
 431
 432
 433 void FileDialog::Private::redraw()
 434 {
 435         if (file_dlg_form_->form && file_dlg_form_->form->visible)
 436                 fl_redraw_form(file_dlg_form_->form);
 437 }
 438
 439
 440 // SetButton: sets file selector user button action
 441 void FileDialog::Private::SetButton(int index, string const & name,
 442                            string const & path)
 443 {
 444         FL_OBJECT * ob;
 445         string * tmp;
 446
 447         if (index == 0) {
 448                 ob = file_dlg_form_->User1;
 449                 tmp = &user_path1_;
 450         } else if (index == 1) {
 451                 ob = file_dlg_form_->User2;
 452                 tmp = &user_path2_;
 453         } else {
 454                 return;
 455         }
 456
 457         if (!name.empty()) {
 458                 fl_set_object_label(ob, idex(name).c_str());
 459                 fl_set_button_shortcut(ob, scex(name).c_str(), 1);
 460                 fl_show_object(ob);
 461                 *tmp = path;
 462         } else {
 463                 fl_hide_object(ob);
 464                 tmp->erase();
 465         }
 466 }
 467
 468
 469 // GetDirectory: gets last dialog directory
 470 string const FileDialog::Private::GetDirectory() const
 471 {
 472         if (!directory_.empty())
 473                 return directory_;
 474         else
 475                 return string(".");
 476 }
 477
 478 namespace {
 479         bool x_sync_kludge(bool ret)
 480         {
 481                 XSync(fl_get_display(), false);
 482                 return ret;
 483         }
 484 } // namespace anon
 485
 486 // RunDialog: handle dialog during file selection
 487 bool FileDialog::Private::RunDialog()
 488 {
 489         force_cancel_ = false;
 490         force_ok_ = false;
 491
 492         // event loop
 493         while (true) {
 494                 FL_OBJECT * ob = fl_do_forms();
 495
 496                 if (ob == file_dlg_form_->Ready) {
 497                         if (HandleOK())
 498                                 return x_sync_kludge(true);
 499
 500                 } else if (ob == file_dlg_form_->Cancel || force_cancel_)
 501                         return x_sync_kludge(false);
 502
 503                 else if (force_ok_)
 504                         return x_sync_kludge(true);
 505         }
 506 }
 507
 508
 509 // XForms objects callback (static)
 510 void FileDialog::Private::FileDlgCB(FL_OBJECT *, long arg)
 511 {
 512         if (!current_dlg_)
 513                 return;
 514
 515         switch (arg) {
 516
 517         case 0: // get directory
 518                 current_dlg_->SetDirectory(fl_get_input(file_dlg_form_->DirBox));
 519                 current_dlg_->Reread();
 520                 break;
 521
 522         case 1: // get mask
 523                 current_dlg_->SetMask(fl_get_input(file_dlg_form_->PatBox));
 524                 current_dlg_->Reread();
 525                 break;
 526
 527         case 2: // list
 528                 current_dlg_->HandleListHit();
 529                 break;
 530
 531         case 10: // rescan
 532                 current_dlg_->SetDirectory(fl_get_input(file_dlg_form_->DirBox));
 533                 current_dlg_->SetMask(fl_get_input(file_dlg_form_->PatBox));
 534                 current_dlg_->Reread();
 535                 break;
 536
 537         case 11: // home
 538                 current_dlg_->SetDirectory(GetEnvPath("HOME"));
 539                 current_dlg_->SetMask(fl_get_input(file_dlg_form_->PatBox));
 540                 current_dlg_->Reread();
 541                 break;
 542
 543         case 12: // user button 1
 544                 current_dlg_->SetDirectory(current_dlg_->user_path1_);
 545                 current_dlg_->SetMask(fl_get_input(file_dlg_form_->PatBox));
 546                 current_dlg_->Reread();
 547                 break;
 548
 549         case 13: // user button 2
 550                 current_dlg_->SetDirectory(current_dlg_->user_path2_);
 551                 current_dlg_->SetMask(fl_get_input(file_dlg_form_->PatBox));
 552                 current_dlg_->Reread();
 553                 break;
 554
 555         }
 556 }
 557
 558
 559 // Handle callback from list
 560 void FileDialog::Private::HandleListHit()
 561 {
 562         // set info line
 563         int const select_ = fl_get_browser(file_dlg_form_->List);
 564         if (select_ > depth_)
 565                 SetInfoLine(dir_entries_[select_ - depth_ - 1].ls_entry_);
 566         else
 567                 SetInfoLine(string());
 568 }
 569
 570
 571 // Callback for double click in list
 572 void FileDialog::Private::DoubleClickCB(FL_OBJECT *, long)
 573 {
 574         // Simulate click on OK button
 575         if (current_dlg_->HandleDoubleClick())
 576                 current_dlg_->Force(false);
 577 }
 578
 579
 580 // Handle double click from list
 581 bool FileDialog::Private::HandleDoubleClick()
 582 {
 583         string tmp;
 584
 585         // set info line
 586         bool isDir = true;
 587         int const select_ = fl_get_browser(file_dlg_form_->List);
 588         if (select_ > depth_) {
 589                 tmp = dir_entries_[select_ - depth_ - 1].name_;
 590                 SetInfoLine(dir_entries_[select_ - depth_ - 1].ls_entry_);
 591                 if (!suffixIs(tmp, '/')) {
 592                         isDir = false;
 593                         fl_set_input(file_dlg_form_->Filename, tmp.c_str());
 594                 }
 595         } else if (select_ != 0) {
 596                 SetInfoLine(string());
 597         } else
 598                 return true;
 599
 600         // executes action
 601         if (isDir) {
 602                 string Temp;
 603
 604                 // builds new directory name
 605                 if (select_ > depth_) {
 606                         // Directory deeper down
 607                         // First, get directory with trailing /
 608                         Temp = fl_get_input(file_dlg_form_->DirBox);
 609                         if (!suffixIs(Temp, '/'))
 610                                 Temp += '/';
 611                         Temp += tmp;
 612                 } else {
 613                         // Directory higher up
 614                         Temp.erase();
 615                         for (int i = 0; i < select_; ++i) {
 616                                 string piece = fl_get_browser_line(file_dlg_form_->List, i+1);
 617                                 // The '+2' is here to count the '@b' (JMarc)
 618                                 Temp += piece.substr(i + 2);
 619                         }
 620                 }
 621
 622                 // assigns it
 623                 SetDirectory(Temp);
 624                 Reread();
 625                 return false;
 626         }
 627         return true;
 628 }
 629
 630
 631 // Handle OK button call
 632 bool FileDialog::Private::HandleOK()
 633 {
 634         // mask was changed
 635         string tmp = fl_get_input(file_dlg_form_->PatBox);
 636         if (tmp != mask_) {
 637                 SetMask(tmp);
 638                 Reread();
 639                 return false;
 640         }
 641
 642         // directory was changed
 643         tmp = fl_get_input(file_dlg_form_->DirBox);
 644         if (tmp != directory_) {
 645                 SetDirectory(tmp);
 646                 Reread();
 647                 return false;
 648         }
 649
 650         // Handle return from list
 651         int const select = fl_get_browser(file_dlg_form_->List);
 652         if (select > depth_) {
 653                 string const temp = dir_entries_[select - depth_ - 1].name_;
 654                 if (!suffixIs(temp, '/')) {
 655                         // If user didn't type anything, use browser
 656                         string const name = fl_get_input(file_dlg_form_->Filename);
 657                         if (name.empty())
 658                                 fl_set_input(file_dlg_form_->Filename, temp.c_str());
 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 FileDialog::Private::CancelCB(FL_FORM *, void *)
 670 {
 671         // Simulate a click on the cancel button
 672         current_dlg_->Force(true);
 673         return FL_IGNORE;
 674 }
 675
 676
 677 // Simulates a click on OK/Cancel
 678 void FileDialog::Private::Force(bool cancel)
 679 {
 680         if (cancel) {
 681                 force_cancel_ = true;
 682                 fl_set_button(file_dlg_form_->Cancel, 1);
 683         } else {
 684                 force_ok_ = true;
 685                 fl_set_button(file_dlg_form_->Ready, 1);
 686         }
 687         // Start timer to break fl_do_forms loop soon
 688         fl_set_timer(file_dlg_form_->timer, 0.1);
 689 }
 690
 691
 692 // Select: launches dialog and returns selected file
 693 string const FileDialog::Private::Select(string const & title,
 694                                          string const & path,
 695                                          string const & mask,
 696                                          string const & suggested)
 697 {
 698         // handles new mask and path
 699         bool isOk = true;
 700         if (!mask.empty()) {
 701                 SetMask(mask);
 702                 isOk = false;
 703         }
 704         if (!path.empty()) {
 705                 SetDirectory(path);
 706                 isOk = false;
 707         }
 708         if (!isOk)
 709                 Reread();
 710
 711         // highlight the suggested file in the browser, if it exists.
 712         int sel = 0;
 713         string const filename = OnlyFilename(suggested);
 714         if (!filename.empty()) {
 715                 for (int i = 0; i < fl_get_browser_maxline(file_dlg_form_->List); ++i) {
 716                         string s = fl_get_browser_line(file_dlg_form_->List, i + 1);
 717                         s = trim(s);
 718                         if (s == filename) {
 719                                 sel = i + 1;
 720                                 break;
 721                         }
 722                 }
 723         }
 724
 725         if (sel != 0)
 726                 fl_select_browser_line(file_dlg_form_->List, sel);
 727         int const top = max(sel - 5, 1);
 728         fl_set_browser_topline(file_dlg_form_->List, top);
 729
 730         // checks whether dialog can be started
 731         if (current_dlg_)
 732                 return string();
 733         current_dlg_ = this;
 734
 735         // runs dialog
 736         SetInfoLine(string());
 737         setEnabled(file_dlg_form_->Filename, true);
 738         fl_set_input(file_dlg_form_->Filename, suggested.c_str());
 739         fl_set_button(file_dlg_form_->Cancel, 0);
 740         fl_set_button(file_dlg_form_->Ready, 0);
 741         fl_set_focus_object(file_dlg_form_->form, file_dlg_form_->Filename);
 742         fl_deactivate_all_forms();
 743         // Prevent xforms crashing if the dialog gets too small by preventing
 744         // it from being shrunk beyond a minimum size.
 745         // calls to fl_set_form_minsize/maxsize apply only to the next
 746         // fl_show_form(), so this comes first.
 747         fl_set_form_minsize(file_dlg_form_->form, minw_, minh_);
 748
 749         fl_show_form(file_dlg_form_->form,
 750                      FL_PLACE_MOUSE | FL_FREE_SIZE, 0,
 751                      title.c_str());
 752
 753         isOk = RunDialog();
 754
 755         fl_hide_form(file_dlg_form_->form);
 756         fl_activate_all_forms();
 757         current_dlg_ = 0;
 758
 759         // Returns filename or string() if no valid selection was made
 760         if (!isOk || !fl_get_input(file_dlg_form_->Filename)[0])
 761                 return string();
 762
 763         file_name_ = fl_get_input(file_dlg_form_->Filename);
 764
 765         if (!AbsolutePath(file_name_))
 766                 file_name_ = AddName(fl_get_input(file_dlg_form_->DirBox), file_name_);
 767         return file_name_;
 768 }
 769
 770
 771 // SelectDir: launches dialog and returns selected directory
 772 string const FileDialog::Private::SelectDir(string const & title,
 773                                          string const & path,
 774                                          string const & suggested)
 775 {
 776         SetMask("*/");
 777         // handles new path
 778         bool isOk = true;
 779         if (!path.empty()) {
 780                 // handle case where path does not end with "/"
 781                 // remerge path+suggested and check if it is a valid path
 782                 if (!suggested.empty()) {
 783                         string tmp = suggested;
 784                         if (!suffixIs(tmp, '/'))
 785                                 tmp += '/';
 786                         string full_path = path;
 787                         full_path += tmp;
 788                         // check if this is really a directory
 789                         DIR * dir = ::opendir(full_path.c_str());
 790                         if (dir)
 791                                 SetDirectory(full_path);
 792                         else
 793                                 SetDirectory(path);
 794                 } else
 795                         SetDirectory(path);
 796                 isOk = false;
 797         }
 798         if (!isOk)
 799                 Reread();
 800
 801         // checks whether dialog can be started
 802         if (current_dlg_)
 803                 return string();
 804         current_dlg_ = this;
 805
 806         // runs dialog
 807         SetInfoLine(string());
 808         fl_set_input(file_dlg_form_->Filename, "");
 809         setEnabled(file_dlg_form_->Filename, false);
 810         fl_set_button(file_dlg_form_->Cancel, 0);
 811         fl_set_button(file_dlg_form_->Ready, 0);
 812         fl_set_focus_object(file_dlg_form_->form, file_dlg_form_->DirBox);
 813         fl_deactivate_all_forms();
 814         fl_show_form(file_dlg_form_->form,
 815                      FL_PLACE_MOUSE | FL_FREE_SIZE, 0,
 816                      title.c_str());
 817
 818         isOk = RunDialog();
 819
 820         fl_hide_form(file_dlg_form_->form);
 821         fl_activate_all_forms();
 822         current_dlg_ = 0;
 823
 824         // Returns directory or string() if no valid selection was made
 825         if (!isOk)
 826                 return string();
 827
 828         file_name_ = fl_get_input(file_dlg_form_->DirBox);
 829         return file_name_;
 830 }