src/generic/dirctrlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/dirctrlg.cpp
   3 // Purpose:     wxGenericDirCtrl
   4 // Author:      Harm van der Heijden, Robert Roebling, Julian Smart
   5 // Modified by:
   6 // Created:     12/12/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Harm van der Heijden, Robert Roebling and Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_DIRDLG || wxUSE_FILEDLG
  20
  21 #include "wx/generic/dirctrlg.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/hash.h"
  25     #include "wx/intl.h"
  26     #include "wx/log.h"
  27     #include "wx/utils.h"
  28     #include "wx/button.h"
  29     #include "wx/icon.h"
  30     #include "wx/settings.h"
  31     #include "wx/msgdlg.h"
  32     #include "wx/cmndata.h"
  33     #include "wx/choice.h"
  34     #include "wx/textctrl.h"
  35     #include "wx/layout.h"
  36     #include "wx/sizer.h"
  37     #include "wx/textdlg.h"
  38     #include "wx/gdicmn.h"
  39     #include "wx/image.h"
  40 #endif
  41
  42 #include "wx/module.h"
  43 #include "wx/filefn.h"
  44 #include "wx/imaglist.h"
  45 #include "wx/tokenzr.h"
  46 #include "wx/dir.h"
  47 #include "wx/artprov.h"
  48 #include "wx/mimetype.h"
  49
  50 #if wxUSE_STATLINE
  51     #include "wx/statline.h"
  52 #endif
  53
  54 #if defined(__WXMAC__)
  55     #include  "wx/mac/private.h"  // includes mac headers
  56 #endif
  57
  58 #ifdef __WXMSW__
  59 #include <windows.h>
  60 #include "wx/msw/winundef.h"
  61
  62 // FIXME - Mingw32 1.0 has both _getdrive() and _chdrive(). For now, let's assume
  63 //         older releases don't, but it should be verified and the checks modified
  64 //         accordingly.
  65 #if !defined(__GNUWIN32__) || (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
  66 #if !defined(__WXWINCE__)
  67     #include <direct.h>
  68 #endif
  69     #include <stdlib.h>
  70     #include <ctype.h>
  71 #endif
  72
  73 #endif
  74
  75 #if defined(__OS2__) || defined(__DOS__)
  76     #ifdef __OS2__
  77         #define INCL_BASE
  78         #include <os2.h>
  79         #ifndef __EMX__
  80             #include <direct.h>
  81         #endif
  82         #include <stdlib.h>
  83         #include <ctype.h>
  84     #endif
  85     extern bool wxIsDriveAvailable(const wxString& dirName);
  86 #endif // __OS2__
  87
  88 #if defined(__WXMAC__)
  89     #include "MoreFilesX.h"
  90 #endif
  91
  92 #ifdef __BORLANDC__
  93     #include "dos.h"
  94 #endif
  95
  96 // If compiled under Windows, this macro can cause problems
  97 #ifdef GetFirstChild
  98 #undef GetFirstChild
  99 #endif
 100
 101 // ----------------------------------------------------------------------------
 102 // wxGetAvailableDrives, for WINDOWS, DOS, OS2, MAC, UNIX (returns "/")
 103 // ----------------------------------------------------------------------------
 104
 105 size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayInt &icon_ids)
 106 {
 107 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 108
 109 #ifdef __WXWINCE__
 110     // No logical drives; return "\"
 111     paths.Add(wxT("\\"));
 112     names.Add(wxT("\\"));
 113     icon_ids.Add(wxFileIconsTable::computer);
 114 #elif defined(__WIN32__)
 115     wxChar driveBuffer[256];
 116     size_t n = (size_t) GetLogicalDriveStrings(255, driveBuffer);
 117     size_t i = 0;
 118     while (i < n)
 119     {
 120         wxString path, name;
 121         path.Printf(wxT("%c:\\"), driveBuffer[i]);
 122         name.Printf(wxT("%c:"), driveBuffer[i]);
 123
 124         // Do not use GetVolumeInformation to further decorate the
 125         // name, since it can cause severe delays on network drives.
 126
 127         int imageId;
 128         int driveType = ::GetDriveType(path);
 129         switch (driveType)
 130         {
 131             case DRIVE_REMOVABLE:
 132                 if (path == wxT("a:\\") || path == wxT("b:\\"))
 133                     imageId = wxFileIconsTable::floppy;
 134                 else
 135                     imageId = wxFileIconsTable::removeable;
 136                 break;
 137             case DRIVE_CDROM:
 138                 imageId = wxFileIconsTable::cdrom;
 139                 break;
 140             case DRIVE_REMOTE:
 141             case DRIVE_FIXED:
 142             default:
 143                 imageId = wxFileIconsTable::drive;
 144                 break;
 145         }
 146
 147         paths.Add(path);
 148         names.Add(name);
 149         icon_ids.Add(imageId);
 150
 151         while (driveBuffer[i] != wxT('\0'))
 152             i ++;
 153         i ++;
 154         if (driveBuffer[i] == wxT('\0'))
 155             break;
 156     }
 157 #elif defined(__OS2__)
 158     APIRET rc;
 159     ULONG ulDriveNum = 0;
 160     ULONG ulDriveMap = 0;
 161     rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
 162     if ( rc == 0)
 163     {
 164         size_t i = 0;
 165         while (i < 26)
 166         {
 167             if (ulDriveMap & ( 1 << i ))
 168             {
 169                 wxString path, name;
 170                 path.Printf(wxT("%c:\\"), 'A' + i);
 171                 name.Printf(wxT("%c:"), 'A' + i);
 172
 173                 // Note: If _filesys is unsupported by some compilers,
 174                 //       we can always replace it by DosQueryFSAttach
 175                 char filesysname[20];
 176 #ifdef __WATCOMC__
 177                 ULONG cbBuffer = sizeof(filesysname);
 178                 PFSQBUFFER2 pfsqBuffer = (PFSQBUFFER2)filesysname;
 179                 APIRET rc = ::DosQueryFSAttach(name.fn_str(),0,FSAIL_QUERYNAME,pfsqBuffer,&cbBuffer);
 180                 if (rc != NO_ERROR)
 181                 {
 182                     filesysname[0] = '\0';
 183                 }
 184 #else
 185                 _filesys(name.fn_str(), filesysname, sizeof(filesysname));
 186 #endif
 187                 /* FAT, LAN, HPFS, CDFS, NFS */
 188                 int imageId;
 189                 if (path == wxT("A:\\") || path == wxT("B:\\"))
 190                     imageId = wxFileIconsTable::floppy;
 191                 else if (!strcmp(filesysname, "CDFS"))
 192                     imageId = wxFileIconsTable::cdrom;
 193                 else if (!strcmp(filesysname, "LAN") ||
 194                          !strcmp(filesysname, "NFS"))
 195                     imageId = wxFileIconsTable::drive;
 196                 else
 197                     imageId = wxFileIconsTable::drive;
 198                 paths.Add(path);
 199                 names.Add(name);
 200                 icon_ids.Add(imageId);
 201             }
 202             i ++;
 203         }
 204     }
 205 #else // !__WIN32__, !__OS2__
 206     int drive;
 207
 208     /* If we can switch to the drive, it exists. */
 209     for( drive = 1; drive <= 26; drive++ )
 210     {
 211         wxString path, name;
 212         path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
 213         name.Printf(wxT("%c:"), (char) (drive + 'A' - 1));
 214
 215         if (wxIsDriveAvailable(path))
 216         {
 217             paths.Add(path);
 218             names.Add(name);
 219             icon_ids.Add((drive <= 2) ? wxFileIconsTable::floppy : wxFileIconsTable::drive);
 220         }
 221     }
 222 #endif // __WIN32__/!__WIN32__
 223
 224 #elif defined(__WXMAC__)
 225
 226     ItemCount volumeIndex = 1;
 227     OSErr err = noErr ;
 228
 229     while( noErr == err )
 230     {
 231         HFSUniStr255 volumeName ;
 232         FSRef fsRef ;
 233         FSVolumeInfo volumeInfo ;
 234         err = FSGetVolumeInfo(0, volumeIndex, NULL, kFSVolInfoFlags , &volumeInfo , &volumeName, &fsRef);
 235         if( noErr == err )
 236         {
 237             wxString path = wxMacFSRefToPath( &fsRef ) ;
 238             wxString name = wxMacHFSUniStrToString( &volumeName ) ;
 239
 240             if ( (volumeInfo.flags & kFSVolFlagSoftwareLockedMask) || (volumeInfo.flags & kFSVolFlagHardwareLockedMask) )
 241             {
 242                 icon_ids.Add(wxFileIconsTable::cdrom);
 243             }
 244             else
 245             {
 246                 icon_ids.Add(wxFileIconsTable::drive);
 247             }
 248             // todo other removable
 249
 250             paths.Add(path);
 251             names.Add(name);
 252             volumeIndex++ ;
 253         }
 254     }
 255
 256 #elif defined(__UNIX__)
 257     paths.Add(wxT("/"));
 258     names.Add(wxT("/"));
 259     icon_ids.Add(wxFileIconsTable::computer);
 260 #else
 261     #error "Unsupported platform in wxGenericDirCtrl!"
 262 #endif
 263     wxASSERT_MSG( (paths.GetCount() == names.GetCount()), wxT("The number of paths and their human readable names should be equal in number."));
 264     wxASSERT_MSG( (paths.GetCount() == icon_ids.GetCount()), wxT("Wrong number of icons for available drives."));
 265     return paths.GetCount();
 266 }
 267
 268 // ----------------------------------------------------------------------------
 269 // wxIsDriveAvailable
 270 // ----------------------------------------------------------------------------
 271
 272 #if defined(__DOS__)
 273
 274 bool wxIsDriveAvailable(const wxString& dirName)
 275 {
 276     // FIXME_MGL - this method leads to hang up under Watcom for some reason
 277 #ifdef __WATCOMC__
 278     wxUnusedVar(dirName);
 279 #else
 280     if ( dirName.length() == 3 && dirName[1u] == wxT(':') )
 281     {
 282         wxString dirNameLower(dirName.Lower());
 283         // VS: always return true for removable media, since Win95 doesn't
 284         //     like it when MS-DOS app accesses empty floppy drive
 285         return (dirNameLower[0u] == wxT('a') ||
 286                 dirNameLower[0u] == wxT('b') ||
 287                 wxDirExists(dirNameLower));
 288     }
 289     else
 290 #endif
 291         return true;
 292 }
 293
 294 #elif defined(__WINDOWS__) || defined(__OS2__)
 295
 296 int setdrive(int WXUNUSED_IN_WINCE(drive))
 297 {
 298 #ifdef __WXWINCE__
 299     return 0;
 300 #elif defined(__GNUWIN32__) && \
 301     (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 302     return _chdrive(drive);
 303 #else
 304     wxChar  newdrive[4];
 305
 306     if (drive < 1 || drive > 31)
 307         return -1;
 308     newdrive[0] = (wxChar)(wxT('A') + drive - 1);
 309     newdrive[1] = wxT(':');
 310 #ifdef __OS2__
 311     newdrive[2] = wxT('\\');
 312     newdrive[3] = wxT('\0');
 313 #else
 314     newdrive[2] = wxT('\0');
 315 #endif
 316 #if defined(__WXMSW__)
 317     if (::SetCurrentDirectory(newdrive))
 318 #else
 319     // VA doesn't know what LPSTR is and has its own set
 320     if (!DosSetCurrentDir((PSZ)newdrive))
 321 #endif
 322         return 0;
 323     else
 324         return -1;
 325 #endif // !GNUWIN32
 326 }
 327
 328 bool wxIsDriveAvailable(const wxString& WXUNUSED_IN_WINCE(dirName))
 329 {
 330 #ifdef __WXWINCE__
 331     return false;
 332 #else
 333 #ifdef __WIN32__
 334     UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
 335 #endif
 336     bool success = true;
 337
 338     // Check if this is a root directory and if so,
 339     // whether the drive is available.
 340     if (dirName.length() == 3 && dirName[(size_t)1] == wxT(':'))
 341     {
 342         wxString dirNameLower(dirName.Lower());
 343 #if defined(__GNUWIN32__) && !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 344         success = wxDirExists(dirNameLower);
 345 #else
 346         #if defined(__OS2__)
 347         // Avoid changing to drive since no media may be inserted.
 348         if (dirNameLower[(size_t)0] == 'a' || dirNameLower[(size_t)0] == 'b')
 349             return success;
 350         #endif
 351         int currentDrive = _getdrive();
 352         int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
 353         int err = setdrive( thisDrive ) ;
 354         setdrive( currentDrive );
 355
 356         if (err == -1)
 357         {
 358             success = false;
 359         }
 360 #endif
 361     }
 362 #ifdef __WIN32__
 363     (void) SetErrorMode(errorMode);
 364 #endif
 365
 366     return success;
 367 #endif
 368 }
 369 #endif // __WINDOWS__ || __OS2__
 370
 371 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG
 372
 373
 374
 375 #if wxUSE_DIRDLG
 376
 377 // Function which is called by quick sort. We want to override the default wxArrayString behaviour,
 378 // and sort regardless of case.
 379 static int wxCMPFUNC_CONV wxDirCtrlStringCompareFunction(const wxString& strFirst, const wxString& strSecond)
 380 {
 381     return strFirst.CmpNoCase(strSecond);
 382 }
 383
 384 //-----------------------------------------------------------------------------
 385 // wxDirItemData
 386 //-----------------------------------------------------------------------------
 387
 388 wxDirItemData::wxDirItemData(const wxString& path, const wxString& name,
 389                              bool isDir)
 390 {
 391     m_path = path;
 392     m_name = name;
 393     /* Insert logic to detect hidden files here
 394      * In UnixLand we just check whether the first char is a dot
 395      * For FileNameFromPath read LastDirNameInThisPath ;-) */
 396     // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
 397     m_isHidden = false;
 398     m_isExpanded = false;
 399     m_isDir = isDir;
 400 }
 401
 402 void wxDirItemData::SetNewDirName(const wxString& path)
 403 {
 404     m_path = path;
 405     m_name = wxFileNameFromPath(path);
 406 }
 407
 408 bool wxDirItemData::HasSubDirs() const
 409 {
 410     if (m_path.empty())
 411         return false;
 412
 413     wxDir dir;
 414     {
 415         wxLogNull nolog;
 416         if ( !dir.Open(m_path) )
 417             return false;
 418     }
 419
 420     return dir.HasSubDirs();
 421 }
 422
 423 bool wxDirItemData::HasFiles(const wxString& WXUNUSED(spec)) const
 424 {
 425     if (m_path.empty())
 426         return false;
 427
 428     wxDir dir;
 429     {
 430         wxLogNull nolog;
 431         if ( !dir.Open(m_path) )
 432             return false;
 433     }
 434
 435     return dir.HasFiles();
 436 }
 437
 438 //-----------------------------------------------------------------------------
 439 // wxGenericDirCtrl
 440 //-----------------------------------------------------------------------------
 441
 442
 443 #if wxUSE_EXTENDED_RTTI
 444 WX_DEFINE_FLAGS( wxGenericDirCtrlStyle )
 445
 446 wxBEGIN_FLAGS( wxGenericDirCtrlStyle )
 447     // new style border flags, we put them first to
 448     // use them for streaming out
 449     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
 450     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
 451     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
 452     wxFLAGS_MEMBER(wxBORDER_RAISED)
 453     wxFLAGS_MEMBER(wxBORDER_STATIC)
 454     wxFLAGS_MEMBER(wxBORDER_NONE)
 455
 456     // old style border flags
 457     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
 458     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
 459     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
 460     wxFLAGS_MEMBER(wxRAISED_BORDER)
 461     wxFLAGS_MEMBER(wxSTATIC_BORDER)
 462     wxFLAGS_MEMBER(wxBORDER)
 463
 464     // standard window styles
 465     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 466     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 467     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 468     wxFLAGS_MEMBER(wxWANTS_CHARS)
 469     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
 470     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 471     wxFLAGS_MEMBER(wxVSCROLL)
 472     wxFLAGS_MEMBER(wxHSCROLL)
 473
 474     wxFLAGS_MEMBER(wxDIRCTRL_DIR_ONLY)
 475     wxFLAGS_MEMBER(wxDIRCTRL_3D_INTERNAL)
 476     wxFLAGS_MEMBER(wxDIRCTRL_SELECT_FIRST)
 477     wxFLAGS_MEMBER(wxDIRCTRL_SHOW_FILTERS)
 478
 479 wxEND_FLAGS( wxGenericDirCtrlStyle )
 480
 481 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGenericDirCtrl, wxControl,"wx/dirctrl.h")
 482
 483 wxBEGIN_PROPERTIES_TABLE(wxGenericDirCtrl)
 484     wxHIDE_PROPERTY( Children )
 485     wxPROPERTY( DefaultPath , wxString , SetDefaultPath , GetDefaultPath  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 486     wxPROPERTY( Filter , wxString , SetFilter , GetFilter  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 487     wxPROPERTY( DefaultFilter , int , SetFilterIndex, GetFilterIndex, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 488     wxPROPERTY_FLAGS( WindowStyle, wxGenericDirCtrlStyle, long, SetWindowStyleFlag, GetWindowStyleFlag, EMPTY_MACROVALUE , 0, wxT("Helpstring"), wxT("group") )
 489 wxEND_PROPERTIES_TABLE()
 490
 491 wxBEGIN_HANDLERS_TABLE(wxGenericDirCtrl)
 492 wxEND_HANDLERS_TABLE()
 493
 494 wxCONSTRUCTOR_8( wxGenericDirCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , DefaultPath ,
 495                  wxPoint , Position , wxSize , Size , long , WindowStyle , wxString , Filter , int , DefaultFilter )
 496 #else
 497 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
 498 #endif
 499
 500 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
 501   EVT_TREE_ITEM_EXPANDING     (wxID_TREECTRL, wxGenericDirCtrl::OnExpandItem)
 502   EVT_TREE_ITEM_COLLAPSED     (wxID_TREECTRL, wxGenericDirCtrl::OnCollapseItem)
 503   EVT_TREE_BEGIN_LABEL_EDIT   (wxID_TREECTRL, wxGenericDirCtrl::OnBeginEditItem)
 504   EVT_TREE_END_LABEL_EDIT     (wxID_TREECTRL, wxGenericDirCtrl::OnEndEditItem)
 505   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 506 END_EVENT_TABLE()
 507
 508 wxGenericDirCtrl::wxGenericDirCtrl(void)
 509 {
 510     Init();
 511 }
 512
 513 void wxGenericDirCtrl::ExpandRoot()
 514 {
 515     ExpandDir(m_rootId); // automatically expand first level
 516
 517     // Expand and select the default path
 518     if (!m_defaultPath.empty())
 519     {
 520         ExpandPath(m_defaultPath);
 521     }
 522 #ifdef __UNIX__
 523     else
 524     {
 525         // On Unix, there's only one node under the (hidden) root node. It
 526         // represents the / path, so the user would always have to expand it;
 527         // let's do it ourselves
 528         ExpandPath( wxT("/") );
 529     }
 530 #endif
 531 }
 532
 533 bool wxGenericDirCtrl::Create(wxWindow *parent,
 534                               const wxWindowID id,
 535                               const wxString& dir,
 536                               const wxPoint& pos,
 537                               const wxSize& size,
 538                               long style,
 539                               const wxString& filter,
 540                               int defaultFilter,
 541                               const wxString& name)
 542 {
 543     if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
 544         return false;
 545
 546     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 547
 548     Init();
 549
 550     long treeStyle = wxTR_HAS_BUTTONS;
 551
 552     // On Windows CE, if you hide the root, you get a crash when
 553     // attempting to access data for children of the root item.
 554 #ifndef __WXWINCE__
 555     treeStyle |= wxTR_HIDE_ROOT;
 556 #endif
 557
 558 #ifdef __WXGTK20__
 559     treeStyle |= wxTR_NO_LINES;
 560 #endif
 561
 562     if (style & wxDIRCTRL_EDIT_LABELS)
 563         treeStyle |= wxTR_EDIT_LABELS;
 564
 565     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 566         treeStyle |= wxNO_BORDER;
 567     else
 568         treeStyle |= wxBORDER_SUNKEN;
 569
 570     long filterStyle = 0;
 571     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 572         filterStyle |= wxNO_BORDER;
 573     else
 574         filterStyle |= wxBORDER_SUNKEN;
 575
 576     m_treeCtrl = CreateTreeCtrl(this, wxID_TREECTRL,
 577                                 wxPoint(0,0), GetClientSize(), treeStyle);
 578
 579     if (!filter.empty() && (style & wxDIRCTRL_SHOW_FILTERS))
 580         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
 581
 582     m_defaultPath = dir;
 583     m_filter = filter;
 584
 585     if (m_filter.empty())
 586 #ifdef __UNIX__
 587         m_filter = wxT("*");
 588 #else
 589         m_filter = wxT("*.*");
 590 #endif
 591
 592     SetFilterIndex(defaultFilter);
 593
 594     if (m_filterListCtrl)
 595         m_filterListCtrl->FillFilterList(filter, defaultFilter);
 596
 597     m_treeCtrl->SetImageList(wxTheFileIconsTable->GetSmallImageList());
 598
 599     m_showHidden = false;
 600     wxDirItemData* rootData = new wxDirItemData(wxEmptyString, wxEmptyString, true);
 601
 602     wxString rootName;
 603
 604 #if defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__)
 605     rootName = _("Computer");
 606 #else
 607     rootName = _("Sections");
 608 #endif
 609
 610     m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
 611     m_treeCtrl->SetItemHasChildren(m_rootId);
 612
 613     ExpandRoot();
 614
 615     SetBestSize(size);
 616     DoResize();
 617
 618     return true;
 619 }
 620
 621 wxGenericDirCtrl::~wxGenericDirCtrl()
 622 {
 623 }
 624
 625 void wxGenericDirCtrl::Init()
 626 {
 627     m_showHidden = false;
 628     m_currentFilter = 0;
 629     m_currentFilterStr = wxEmptyString; // Default: any file
 630     m_treeCtrl = NULL;
 631     m_filterListCtrl = NULL;
 632 }
 633
 634 wxTreeCtrl* wxGenericDirCtrl::CreateTreeCtrl(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long treeStyle)
 635 {
 636     return new wxTreeCtrl(parent, id, pos, size, treeStyle);
 637 }
 638
 639 void wxGenericDirCtrl::ShowHidden( bool show )
 640 {
 641     m_showHidden = show;
 642
 643     wxString path = GetPath();
 644     ReCreateTree();
 645     SetPath(path);
 646 }
 647
 648 const wxTreeItemId
 649 wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
 650 {
 651     wxDirItemData *dir_item = new wxDirItemData(path,name,true);
 652
 653     wxTreeItemId id = AppendItem( m_rootId, name, imageId, -1, dir_item);
 654
 655     m_treeCtrl->SetItemHasChildren(id);
 656
 657     return id;
 658 }
 659
 660 void wxGenericDirCtrl::SetupSections()
 661 {
 662     wxArrayString paths, names;
 663     wxArrayInt icons;
 664
 665     size_t n, count = wxGetAvailableDrives(paths, names, icons);
 666
 667 #ifdef __WXGTK20__
 668     wxString home = wxGetHomeDir();
 669     AddSection( home, _("Home directory"), 1);
 670     home += wxT("/Desktop");
 671     AddSection( home, _("Desktop"), 1);
 672 #endif
 673
 674     for (n = 0; n < count; n++)
 675         AddSection(paths[n], names[n], icons[n]);
 676 }
 677
 678 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 679 {
 680     // don't rename the main entry "Sections"
 681     if (event.GetItem() == m_rootId)
 682     {
 683         event.Veto();
 684         return;
 685     }
 686
 687     // don't rename the individual sections
 688     if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
 689     {
 690         event.Veto();
 691         return;
 692     }
 693 }
 694
 695 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
 696 {
 697     if (event.IsEditCancelled())
 698         return;
 699
 700     if ((event.GetLabel().empty()) ||
 701         (event.GetLabel() == wxT(".")) ||
 702         (event.GetLabel() == wxT("..")) ||
 703         (event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
 704         (event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
 705         (event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
 706     {
 707         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 708         dialog.ShowModal();
 709         event.Veto();
 710         return;
 711     }
 712
 713     wxTreeItemId id = event.GetItem();
 714     wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
 715     wxASSERT( data );
 716
 717     wxString new_name( wxPathOnly( data->m_path ) );
 718     new_name += wxString(wxFILE_SEP_PATH);
 719     new_name += event.GetLabel();
 720
 721     wxLogNull log;
 722
 723     if (wxFileExists(new_name))
 724     {
 725         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 726         dialog.ShowModal();
 727         event.Veto();
 728     }
 729
 730     if (wxRenameFile(data->m_path,new_name))
 731     {
 732         data->SetNewDirName( new_name );
 733     }
 734     else
 735     {
 736         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 737         dialog.ShowModal();
 738         event.Veto();
 739     }
 740 }
 741
 742 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 743 {
 744     wxTreeItemId parentId = event.GetItem();
 745
 746     // VS: this is needed because the event handler is called from wxTreeCtrl
 747     //     ctor when wxTR_HIDE_ROOT was specified
 748
 749     if (!m_rootId.IsOk())
 750
 751         m_rootId = m_treeCtrl->GetRootItem();
 752
 753     ExpandDir(parentId);
 754 }
 755
 756 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
 757 {
 758     CollapseDir(event.GetItem());
 759 }
 760
 761 void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
 762 {
 763     wxTreeItemId child;
 764
 765     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 766     if (!data->m_isExpanded)
 767         return;
 768
 769     data->m_isExpanded = false;
 770     wxTreeItemIdValue cookie;
 771     /* Workaround because DeleteChildren has disapeared (why?) and
 772      * CollapseAndReset doesn't work as advertised (deletes parent too) */
 773     child = m_treeCtrl->GetFirstChild(parentId, cookie);
 774     while (child.IsOk())
 775     {
 776         m_treeCtrl->Delete(child);
 777         /* Not GetNextChild below, because the cookie mechanism can't
 778          * handle disappearing children! */
 779         child = m_treeCtrl->GetFirstChild(parentId, cookie);
 780     }
 781     if (parentId != m_treeCtrl->GetRootItem())
 782         m_treeCtrl->Collapse(parentId);
 783 }
 784
 785 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 786 {
 787     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 788
 789     if (data->m_isExpanded)
 790         return;
 791
 792     data->m_isExpanded = true;
 793
 794     if (parentId == m_treeCtrl->GetRootItem())
 795     {
 796         SetupSections();
 797         return;
 798     }
 799
 800     wxASSERT(data);
 801
 802     wxString search,path,filename;
 803
 804     wxString dirName(data->m_path);
 805
 806 #if (defined(__WINDOWS__) && !defined(__WXWINCE__)) || defined(__DOS__) || defined(__OS2__)
 807     // Check if this is a root directory and if so,
 808     // whether the drive is avaiable.
 809     if (!wxIsDriveAvailable(dirName))
 810     {
 811         data->m_isExpanded = false;
 812         //wxMessageBox(wxT("Sorry, this drive is not available."));
 813         return;
 814     }
 815 #endif
 816
 817     // This may take a longish time. Go to busy cursor
 818     wxBusyCursor busy;
 819
 820 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 821     if (dirName.Last() == ':')
 822         dirName += wxString(wxFILE_SEP_PATH);
 823 #endif
 824
 825     wxArrayString dirs;
 826     wxArrayString filenames;
 827
 828     wxDir d;
 829     wxString eachFilename;
 830
 831     wxLogNull log;
 832     d.Open(dirName);
 833
 834     if (d.IsOpened())
 835     {
 836         int style = wxDIR_DIRS;
 837         if (m_showHidden) style |= wxDIR_HIDDEN;
 838         if (d.GetFirst(& eachFilename, wxEmptyString, style))
 839         {
 840             do
 841             {
 842                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 843                 {
 844                     dirs.Add(eachFilename);
 845                 }
 846             }
 847             while (d.GetNext(&eachFilename));
 848         }
 849     }
 850     dirs.Sort(wxDirCtrlStringCompareFunction);
 851
 852     // Now do the filenames -- but only if we're allowed to
 853     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 854     {
 855         d.Open(dirName);
 856
 857         if (d.IsOpened())
 858         {
 859             int style = wxDIR_FILES;
 860             if (m_showHidden) style |= wxDIR_HIDDEN;
 861             // Process each filter (ex: "JPEG Files (*.jpg;*.jpeg)|*.jpg;*.jpeg")
 862             wxStringTokenizer strTok;
 863             wxString curFilter;
 864             strTok.SetString(m_currentFilterStr,wxT(";"));
 865             while(strTok.HasMoreTokens())
 866             {
 867                 curFilter = strTok.GetNextToken();
 868                 if (d.GetFirst(& eachFilename, curFilter, style))
 869                 {
 870                     do
 871                     {
 872                         if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 873                         {
 874                             filenames.Add(eachFilename);
 875                         }
 876                     }
 877                     while (d.GetNext(& eachFilename));
 878                 }
 879             }
 880         }
 881         filenames.Sort(wxDirCtrlStringCompareFunction);
 882     }
 883
 884     // Add the sorted dirs
 885     size_t i;
 886     for (i = 0; i < dirs.Count(); i++)
 887     {
 888         eachFilename = dirs[i];
 889         path = dirName;
 890         if (!wxEndsWithPathSeparator(path))
 891             path += wxString(wxFILE_SEP_PATH);
 892         path += eachFilename;
 893
 894         wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,true);
 895         wxTreeItemId id = AppendItem( parentId, eachFilename,
 896                                       wxFileIconsTable::folder, -1, dir_item);
 897         m_treeCtrl->SetItemImage( id, wxFileIconsTable::folder_open,
 898                                   wxTreeItemIcon_Expanded );
 899
 900         // Has this got any children? If so, make it expandable.
 901         // (There are two situations when a dir has children: either it
 902         // has subdirectories or it contains files that weren't filtered
 903         // out. The latter only applies to dirctrl with files.)
 904         if ( dir_item->HasSubDirs() ||
 905              (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
 906                dir_item->HasFiles(m_currentFilterStr)) )
 907         {
 908             m_treeCtrl->SetItemHasChildren(id);
 909         }
 910     }
 911
 912     // Add the sorted filenames
 913     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 914     {
 915         for (i = 0; i < filenames.Count(); i++)
 916         {
 917             eachFilename = filenames[i];
 918             path = dirName;
 919             if (!wxEndsWithPathSeparator(path))
 920                 path += wxString(wxFILE_SEP_PATH);
 921             path += eachFilename;
 922             //path = dirName + wxString(wxT("/")) + eachFilename;
 923             wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,false);
 924             int image_id = wxFileIconsTable::file;
 925             if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
 926                 image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
 927             (void) AppendItem( parentId, eachFilename, image_id, -1, dir_item);
 928         }
 929     }
 930 }
 931
 932 void wxGenericDirCtrl::ReCreateTree()
 933 {
 934     CollapseDir(m_treeCtrl->GetRootItem());
 935     ExpandRoot();
 936 }
 937
 938 void wxGenericDirCtrl::CollapseTree()
 939 {
 940     wxTreeItemIdValue cookie;
 941     wxTreeItemId child = m_treeCtrl->GetFirstChild(m_rootId, cookie);
 942     while (child.IsOk())
 943     {
 944         CollapseDir(child);
 945         child = m_treeCtrl->GetNextChild(m_rootId, cookie);
 946     }
 947 }
 948
 949 // Find the child that matches the first part of 'path'.
 950 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
 951 // then the child for /usr is returned.
 952 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
 953 {
 954     wxString path2(path);
 955
 956     // Make sure all separators are as per the current platform
 957     path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
 958     path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
 959
 960     // Append a separator to foil bogus substring matching
 961     path2 += wxString(wxFILE_SEP_PATH);
 962
 963     // In MSW or PM, case is not significant
 964 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 965     path2.MakeLower();
 966 #endif
 967
 968     wxTreeItemIdValue cookie;
 969     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
 970     while (childId.IsOk())
 971     {
 972         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 973
 974         if (data && !data->m_path.empty())
 975         {
 976             wxString childPath(data->m_path);
 977             if (!wxEndsWithPathSeparator(childPath))
 978                 childPath += wxString(wxFILE_SEP_PATH);
 979
 980             // In MSW and PM, case is not significant
 981 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 982             childPath.MakeLower();
 983 #endif
 984
 985             if (childPath.length() <= path2.length())
 986             {
 987                 wxString path3 = path2.Mid(0, childPath.length());
 988                 if (childPath == path3)
 989                 {
 990                     if (path3.length() == path2.length())
 991                         done = true;
 992                     else
 993                         done = false;
 994                     return childId;
 995                 }
 996             }
 997         }
 998
 999         childId = m_treeCtrl->GetNextChild(parentId, cookie);
1000     }
1001     wxTreeItemId invalid;
1002     return invalid;
1003 }
1004
1005 // Try to expand as much of the given path as possible,
1006 // and select the given tree item.
1007 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
1008 {
1009     bool done = false;
1010     wxTreeItemId id = FindChild(m_rootId, path, done);
1011     wxTreeItemId lastId = id; // The last non-zero id
1012     while (id.IsOk() && !done)
1013     {
1014         ExpandDir(id);
1015
1016         id = FindChild(id, path, done);
1017         if (id.IsOk())
1018             lastId = id;
1019     }
1020     if (!lastId.IsOk())
1021         return false;
1022
1023     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
1024     if (data->m_isDir)
1025     {
1026         m_treeCtrl->Expand(lastId);
1027     }
1028     if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
1029     {
1030         // Find the first file in this directory
1031         wxTreeItemIdValue cookie;
1032         wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
1033         bool selectedChild = false;
1034         while (childId.IsOk())
1035         {
1036             data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
1037
1038             if (data && data->m_path != wxEmptyString && !data->m_isDir)
1039             {
1040                 m_treeCtrl->SelectItem(childId);
1041                 m_treeCtrl->EnsureVisible(childId);
1042                 selectedChild = true;
1043                 break;
1044             }
1045             childId = m_treeCtrl->GetNextChild(lastId, cookie);
1046         }
1047         if (!selectedChild)
1048         {
1049             m_treeCtrl->SelectItem(lastId);
1050             m_treeCtrl->EnsureVisible(lastId);
1051         }
1052     }
1053     else
1054     {
1055         m_treeCtrl->SelectItem(lastId);
1056         m_treeCtrl->EnsureVisible(lastId);
1057     }
1058
1059     return true;
1060 }
1061
1062
1063 bool wxGenericDirCtrl::CollapsePath(const wxString& path)
1064 {
1065     bool done           = false;
1066     wxTreeItemId id     = FindChild(m_rootId, path, done);
1067     wxTreeItemId lastId = id; // The last non-zero id
1068
1069     while ( id.IsOk() && !done )
1070     {
1071         CollapseDir(id);
1072
1073         id = FindChild(id, path, done);
1074
1075         if ( id.IsOk() )
1076             lastId = id;
1077     }
1078
1079     if ( !lastId.IsOk() )
1080         return false;
1081
1082     m_treeCtrl->SelectItem(lastId);
1083     m_treeCtrl->EnsureVisible(lastId);
1084
1085     return true;
1086 }
1087
1088
1089 wxString wxGenericDirCtrl::GetPath() const
1090 {
1091     wxTreeItemId id = m_treeCtrl->GetSelection();
1092     if (id)
1093     {
1094         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1095         return data->m_path;
1096     }
1097     else
1098         return wxEmptyString;
1099 }
1100
1101 wxString wxGenericDirCtrl::GetFilePath() const
1102 {
1103     wxTreeItemId id = m_treeCtrl->GetSelection();
1104     if (id)
1105     {
1106         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1107         if (data->m_isDir)
1108             return wxEmptyString;
1109         else
1110             return data->m_path;
1111     }
1112     else
1113         return wxEmptyString;
1114 }
1115
1116 void wxGenericDirCtrl::SetPath(const wxString& path)
1117 {
1118     m_defaultPath = path;
1119     if (m_rootId)
1120         ExpandPath(path);
1121 }
1122
1123 // Not used
1124 #if 0
1125 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1126 {
1127     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1128
1129     // This may take a longish time. Go to busy cursor
1130     wxBusyCursor busy;
1131
1132     wxASSERT(data);
1133
1134     wxString search,path,filename;
1135
1136     wxString dirName(data->m_path);
1137
1138 #if defined(__WXMSW__) || defined(__OS2__)
1139     if (dirName.Last() == ':')
1140         dirName += wxString(wxFILE_SEP_PATH);
1141 #endif
1142
1143     wxDir d;
1144     wxString eachFilename;
1145
1146     wxLogNull log;
1147     d.Open(dirName);
1148
1149     if (d.IsOpened())
1150     {
1151         if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1152         {
1153             do
1154             {
1155                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1156                 {
1157                     filenames.Add(eachFilename);
1158                 }
1159             }
1160             while (d.GetNext(& eachFilename)) ;
1161         }
1162     }
1163 }
1164 #endif
1165
1166 void wxGenericDirCtrl::SetFilterIndex(int n)
1167 {
1168     m_currentFilter = n;
1169
1170     wxString f, d;
1171     if (ExtractWildcard(m_filter, n, f, d))
1172         m_currentFilterStr = f;
1173     else
1174 #ifdef __UNIX__
1175         m_currentFilterStr = wxT("*");
1176 #else
1177         m_currentFilterStr = wxT("*.*");
1178 #endif
1179 }
1180
1181 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1182 {
1183     m_filter = filter;
1184
1185     wxString f, d;
1186     if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1187         m_currentFilterStr = f;
1188     else
1189 #ifdef __UNIX__
1190         m_currentFilterStr = wxT("*");
1191 #else
1192         m_currentFilterStr = wxT("*.*");
1193 #endif
1194 }
1195
1196 // Extract description and actual filter from overall filter string
1197 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1198 {
1199     wxArrayString filters, descriptions;
1200     int count = wxParseCommonDialogsFilter(filterStr, descriptions, filters);
1201     if (count > 0 && n < count)
1202     {
1203         filter = filters[n];
1204         description = descriptions[n];
1205         return true;
1206     }
1207
1208     return false;
1209 }
1210
1211 #if WXWIN_COMPATIBILITY_2_4
1212 // Parses the global filter, returning the number of filters.
1213 // Returns 0 if none or if there's a problem.
1214 // filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
1215 int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
1216 {
1217     return wxParseCommonDialogsFilter(filterStr, descriptions, filters );
1218 }
1219 #endif // WXWIN_COMPATIBILITY_2_4
1220
1221 void wxGenericDirCtrl::DoResize()
1222 {
1223     wxSize sz = GetClientSize();
1224     int verticalSpacing = 3;
1225     if (m_treeCtrl)
1226     {
1227         wxSize filterSz ;
1228         if (m_filterListCtrl)
1229         {
1230             filterSz = m_filterListCtrl->GetSize();
1231             sz.y -= (filterSz.y + verticalSpacing);
1232         }
1233         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1234         if (m_filterListCtrl)
1235         {
1236             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1237             // Don't know why, but this needs refreshing after a resize (wxMSW)
1238             m_filterListCtrl->Refresh();
1239         }
1240     }
1241 }
1242
1243
1244 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1245 {
1246     DoResize();
1247 }
1248
1249 wxTreeItemId wxGenericDirCtrl::AppendItem (const wxTreeItemId & parent,
1250                                            const wxString & text,
1251                                            int image, int selectedImage,
1252                                            wxTreeItemData * data)
1253 {
1254   wxTreeCtrl *treeCtrl = GetTreeCtrl ();
1255
1256   wxASSERT (treeCtrl);
1257
1258   if (treeCtrl)
1259   {
1260     return treeCtrl->AppendItem (parent, text, image, selectedImage, data);
1261   }
1262   else
1263   {
1264     return wxTreeItemId();
1265   }
1266 }
1267
1268
1269 //-----------------------------------------------------------------------------
1270 // wxDirFilterListCtrl
1271 //-----------------------------------------------------------------------------
1272
1273 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1274
1275 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1276     EVT_CHOICE(wxID_ANY, wxDirFilterListCtrl::OnSelFilter)
1277 END_EVENT_TABLE()
1278
1279 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1280               const wxPoint& pos,
1281               const wxSize& size,
1282               long style)
1283 {
1284     m_dirCtrl = parent;
1285     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1286 }
1287
1288 void wxDirFilterListCtrl::Init()
1289 {
1290     m_dirCtrl = NULL;
1291 }
1292
1293 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1294 {
1295     int sel = GetSelection();
1296
1297     wxString currentPath = m_dirCtrl->GetPath();
1298
1299     m_dirCtrl->SetFilterIndex(sel);
1300
1301     // If the filter has changed, the view is out of date, so
1302     // collapse the tree.
1303     m_dirCtrl->ReCreateTree();
1304
1305     // Try to restore the selection, or at least the directory
1306     m_dirCtrl->ExpandPath(currentPath);
1307 }
1308
1309 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1310 {
1311     Clear();
1312     wxArrayString descriptions, filters;
1313     size_t n = (size_t) wxParseCommonDialogsFilter(filter, descriptions, filters);
1314
1315     if (n > 0 && defaultFilter < (int) n)
1316     {
1317         for (size_t i = 0; i < n; i++)
1318             Append(descriptions[i]);
1319         SetSelection(defaultFilter);
1320     }
1321 }
1322 #endif // wxUSE_DIRDLG
1323
1324 #if wxUSE_DIRDLG || wxUSE_FILEDLG
1325
1326 // ----------------------------------------------------------------------------
1327 // wxFileIconsTable icons
1328 // ----------------------------------------------------------------------------
1329
1330 #ifndef __WXGTK24__
1331 /* Computer (c) Julian Smart */
1332 static const char * file_icons_tbl_computer_xpm[] = {
1333 /* columns rows colors chars-per-pixel */
1334 "16 16 42 1",
1335 "r c #4E7FD0",
1336 "$ c #7198D9",
1337 "; c #DCE6F6",
1338 "q c #FFFFFF",
1339 "u c #4A7CCE",
1340 "# c #779DDB",
1341 "w c #95B2E3",
1342 "y c #7FA2DD",
1343 "f c #3263B4",
1344 "= c #EAF0FA",
1345 "< c #B1C7EB",
1346 "% c #6992D7",
1347 "9 c #D9E4F5",
1348 "o c #9BB7E5",
1349 "6 c #F7F9FD",
1350 ", c #BED0EE",
1351 "3 c #F0F5FC",
1352 "1 c #A8C0E8",
1353 "  c None",
1354 "0 c #FDFEFF",
1355 "4 c #C4D5F0",
1356 "@ c #81A4DD",
1357 "e c #4377CD",
1358 "- c #E2EAF8",
1359 "i c #9FB9E5",
1360 "> c #CCDAF2",
1361 "+ c #89A9DF",
1362 "s c #5584D1",
1363 "t c #5D89D3",
1364 ": c #D2DFF4",
1365 "5 c #FAFCFE",
1366 "2 c #F5F8FD",
1367 "8 c #DFE8F7",
1368 "& c #5E8AD4",
1369 "X c #638ED5",
1370 "a c #CEDCF2",
1371 "p c #90AFE2",
1372 "d c #2F5DA9",
1373 "* c #5282D0",
1374 "7 c #E5EDF9",
1375 ". c #A2BCE6",
1376 "O c #8CACE0",
1377 /* pixels */
1378 "                ",
1379 "  .XXXXXXXXXXX  ",
1380 "  oXO++@#$%&*X  ",
1381 "  oX=-;:>,<1%X  ",
1382 "  oX23=-;:4,$X  ",
1383 "  oX5633789:@X  ",
1384 "  oX05623=78+X  ",
1385 "  oXqq05623=OX  ",
1386 "  oX,,,,,<<<$X  ",
1387 "  wXXXXXXXXXXe  ",
1388 "  XrtX%$$y@+O,, ",
1389 "  uyiiiiiiiii@< ",
1390 " ouiiiiiiiiiip<a",
1391 " rustX%$$y@+Ow,,",
1392 " dfffffffffffffd",
1393 "                "
1394 };
1395 #endif // GTK+ < 2.4
1396
1397 // ----------------------------------------------------------------------------
1398 // wxFileIconsTable & friends
1399 // ----------------------------------------------------------------------------
1400
1401 // global instance of a wxFileIconsTable
1402 wxFileIconsTable* wxTheFileIconsTable = (wxFileIconsTable *)NULL;
1403
1404 // A module to allow icons table cleanup
1405
1406 class wxFileIconsTableModule: public wxModule
1407 {
1408 DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
1409 public:
1410     wxFileIconsTableModule() {}
1411     bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return true; }
1412     void OnExit()
1413     {
1414         if (wxTheFileIconsTable)
1415         {
1416             delete wxTheFileIconsTable;
1417             wxTheFileIconsTable = NULL;
1418         }
1419     }
1420 };
1421
1422 IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
1423
1424 class wxFileIconEntry : public wxObject
1425 {
1426 public:
1427     wxFileIconEntry(int i) { id = i; }
1428
1429     int id;
1430 };
1431
1432 wxFileIconsTable::wxFileIconsTable()
1433 {
1434     m_HashTable = NULL;
1435     m_smallImageList = NULL;
1436 }
1437
1438 wxFileIconsTable::~wxFileIconsTable()
1439 {
1440     if (m_HashTable)
1441     {
1442         WX_CLEAR_HASH_TABLE(*m_HashTable);
1443         delete m_HashTable;
1444     }
1445     if (m_smallImageList) delete m_smallImageList;
1446 }
1447
1448 // delayed initialization - wait until first use (wxArtProv not created yet)
1449 void wxFileIconsTable::Create()
1450 {
1451     wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
1452     m_HashTable = new wxHashTable(wxKEY_STRING);
1453     m_smallImageList = new wxImageList(16, 16);
1454
1455     // folder:
1456     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER,
1457                                                    wxART_CMN_DIALOG,
1458                                                    wxSize(16, 16)));
1459     // folder_open
1460     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER_OPEN,
1461                                                    wxART_CMN_DIALOG,
1462                                                    wxSize(16, 16)));
1463     // computer
1464 #ifdef __WXGTK24__
1465     // GTK24 uses this icon in the file open dialog
1466     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1467                                                    wxART_CMN_DIALOG,
1468                                                    wxSize(16, 16)));
1469 #else
1470     m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
1471 #endif
1472     // drive
1473     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1474                                                    wxART_CMN_DIALOG,
1475                                                    wxSize(16, 16)));
1476     // cdrom
1477     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_CDROM,
1478                                                    wxART_CMN_DIALOG,
1479                                                    wxSize(16, 16)));
1480     // floppy
1481     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FLOPPY,
1482                                                    wxART_CMN_DIALOG,
1483                                                    wxSize(16, 16)));
1484     // removeable
1485     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_REMOVABLE,
1486                                                    wxART_CMN_DIALOG,
1487                                                    wxSize(16, 16)));
1488     // file
1489     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE,
1490                                                    wxART_CMN_DIALOG,
1491                                                    wxSize(16, 16)));
1492     // executable
1493     if (GetIconID(wxEmptyString, _T("application/x-executable")) == file)
1494     {
1495         m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE,
1496                                                        wxART_CMN_DIALOG,
1497                                                        wxSize(16, 16)));
1498         delete m_HashTable->Get(_T("exe"));
1499         m_HashTable->Delete(_T("exe"));
1500         m_HashTable->Put(_T("exe"), new wxFileIconEntry(executable));
1501     }
1502     /* else put into list by GetIconID
1503        (KDE defines application/x-executable for *.exe and has nice icon)
1504      */
1505 }
1506
1507 wxImageList *wxFileIconsTable::GetSmallImageList()
1508 {
1509     if (!m_smallImageList)
1510         Create();
1511
1512     return m_smallImageList;
1513 }
1514
1515 #if wxUSE_MIMETYPE && wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1516 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
1517 //     one icon and we won't resize it
1518
1519 static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
1520 {
1521     const unsigned int size = 16;
1522
1523     wxImage smallimg (size, size);
1524     unsigned char *p1, *p2, *ps;
1525     unsigned char mr = img.GetMaskRed(),
1526                   mg = img.GetMaskGreen(),
1527                   mb = img.GetMaskBlue();
1528
1529     unsigned x, y;
1530     unsigned sr, sg, sb, smask;
1531
1532     p1 = img.GetData(), p2 = img.GetData() + 3 * size*2, ps = smallimg.GetData();
1533     smallimg.SetMaskColour(mr, mr, mr);
1534
1535     for (y = 0; y < size; y++)
1536     {
1537         for (x = 0; x < size; x++)
1538         {
1539             sr = sg = sb = smask = 0;
1540             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1541                 sr += p1[0], sg += p1[1], sb += p1[2];
1542             else smask++;
1543             p1 += 3;
1544             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1545                 sr += p1[0], sg += p1[1], sb += p1[2];
1546             else smask++;
1547             p1 += 3;
1548             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1549                 sr += p2[0], sg += p2[1], sb += p2[2];
1550             else smask++;
1551             p2 += 3;
1552             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1553                 sr += p2[0], sg += p2[1], sb += p2[2];
1554             else smask++;
1555             p2 += 3;
1556
1557             if (smask > 2)
1558                 ps[0] = ps[1] = ps[2] = mr;
1559             else
1560             {
1561                 ps[0] = (unsigned char)(sr >> 2);
1562                 ps[1] = (unsigned char)(sg >> 2);
1563                 ps[2] = (unsigned char)(sb >> 2);
1564             }
1565             ps += 3;
1566         }
1567         p1 += size*2 * 3, p2 += size*2 * 3;
1568     }
1569
1570     return wxBitmap(smallimg);
1571 }
1572
1573 // This function is currently not unused anymore
1574 #if 0
1575 // finds empty borders and return non-empty area of image:
1576 static wxImage CutEmptyBorders(const wxImage& img)
1577 {
1578     unsigned char mr = img.GetMaskRed(),
1579                   mg = img.GetMaskGreen(),
1580                   mb = img.GetMaskBlue();
1581     unsigned char *dt = img.GetData(), *dttmp;
1582     unsigned w = img.GetWidth(), h = img.GetHeight();
1583
1584     unsigned top, bottom, left, right, i;
1585     bool empt;
1586
1587 #define MK_DTTMP(x,y)      dttmp = dt + ((x + y * w) * 3)
1588 #define NOEMPTY_PIX(empt)  if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = false; break;}
1589
1590     for (empt = true, top = 0; empt && top < h; top++)
1591     {
1592         MK_DTTMP(0, top);
1593         for (i = 0; i < w; i++, dttmp+=3)
1594             NOEMPTY_PIX(empt)
1595     }
1596     for (empt = true, bottom = h-1; empt && bottom > top; bottom--)
1597     {
1598         MK_DTTMP(0, bottom);
1599         for (i = 0; i < w; i++, dttmp+=3)
1600             NOEMPTY_PIX(empt)
1601     }
1602     for (empt = true, left = 0; empt && left < w; left++)
1603     {
1604         MK_DTTMP(left, 0);
1605         for (i = 0; i < h; i++, dttmp+=3*w)
1606             NOEMPTY_PIX(empt)
1607     }
1608     for (empt = true, right = w-1; empt && right > left; right--)
1609     {
1610         MK_DTTMP(right, 0);
1611         for (i = 0; i < h; i++, dttmp+=3*w)
1612             NOEMPTY_PIX(empt)
1613     }
1614     top--, left--, bottom++, right++;
1615
1616     return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
1617 }
1618 #endif // #if 0
1619
1620 #endif // wxUSE_MIMETYPE
1621
1622 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
1623 {
1624     if (!m_smallImageList)
1625         Create();
1626
1627 #if wxUSE_MIMETYPE
1628     if (!extension.empty())
1629     {
1630         wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
1631         if (entry) return (entry -> id);
1632     }
1633
1634     wxFileType *ft = (mime.empty()) ?
1635                    wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
1636                    wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
1637
1638     wxIconLocation iconLoc;
1639     wxIcon ic;
1640
1641     {
1642         wxLogNull logNull;
1643         if ( ft && ft->GetIcon(&iconLoc) )
1644         {
1645             ic = wxIcon( iconLoc );
1646         }
1647     }
1648
1649     delete ft;
1650
1651     if ( !ic.Ok() )
1652     {
1653         int newid = file;
1654         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1655         return newid;
1656     }
1657
1658     wxBitmap bmp;
1659     bmp.CopyFromIcon(ic);
1660
1661     if ( !bmp.Ok() )
1662     {
1663         int newid = file;
1664         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1665         return newid;
1666     }
1667
1668     const unsigned int size = 16;
1669
1670     int id = m_smallImageList->GetImageCount();
1671     if ((bmp.GetWidth() == (int) size) && (bmp.GetHeight() == (int) size))
1672     {
1673         m_smallImageList->Add(bmp);
1674     }
1675 #if wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1676     else
1677     {
1678         wxImage img = bmp.ConvertToImage();
1679
1680         if ((img.GetWidth() != size*2) || (img.GetHeight() != size*2))
1681 //            m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(size*2, size*2)));
1682             m_smallImageList->Add(CreateAntialiasedBitmap(img.Rescale(size*2, size*2)));
1683         else
1684             m_smallImageList->Add(CreateAntialiasedBitmap(img));
1685     }
1686 #endif // wxUSE_IMAGE
1687
1688     m_HashTable->Put(extension, new wxFileIconEntry(id));
1689     return id;
1690
1691 #else // !wxUSE_MIMETYPE
1692
1693     wxUnusedVar(mime);
1694     if (extension == wxT("exe"))
1695         return executable;
1696     else
1697         return file;
1698 #endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
1699 }
1700
1701 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG