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     #include "wx/module.h"
  41 #endif
  42
  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 #include "wx/volume.h"
  62
  63 // FIXME - Mingw32 1.0 has both _getdrive() and _chdrive(). For now, let's assume
  64 //         older releases don't, but it should be verified and the checks modified
  65 //         accordingly.
  66 #if !defined(__GNUWIN32__) || (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
  67 #if !defined(__WXWINCE__)
  68     #include <direct.h>
  69 #endif
  70     #include <stdlib.h>
  71     #include <ctype.h>
  72 #endif
  73
  74 #endif
  75
  76 #if defined(__OS2__) || defined(__DOS__)
  77     #ifdef __OS2__
  78         #define INCL_BASE
  79         #include <os2.h>
  80         #ifndef __EMX__
  81             #include <direct.h>
  82         #endif
  83         #include <stdlib.h>
  84         #include <ctype.h>
  85     #endif
  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 bool wxIsDriveAvailable(const wxString& dirName);
 102
 103 // ----------------------------------------------------------------------------
 104 // wxGetAvailableDrives, for WINDOWS, DOS, OS2, MAC, UNIX (returns "/")
 105 // ----------------------------------------------------------------------------
 106
 107 size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayInt &icon_ids)
 108 {
 109 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 110
 111 #ifdef __WXWINCE__
 112     // No logical drives; return "\"
 113     paths.Add(wxT("\\"));
 114     names.Add(wxT("\\"));
 115     icon_ids.Add(wxFileIconsTable::computer);
 116 #elif defined(__WIN32__) && wxUSE_FSVOLUME
 117     // TODO: this code (using wxFSVolumeBase) should be used for all platforms
 118     //       but unfortunately wxFSVolumeBase is not implemented everywhere
 119     const wxArrayString as = wxFSVolumeBase::GetVolumes();
 120
 121     for (size_t i = 0; i < as.GetCount(); i++)
 122     {
 123         wxString path = as[i];
 124         wxFSVolume vol(path);
 125         int imageId;
 126         switch (vol.GetKind())
 127         {
 128             case wxFS_VOL_FLOPPY:
 129                 if ( (path == wxT("a:\\")) || (path == wxT("b:\\")) )
 130                     imageId = wxFileIconsTable::floppy;
 131                 else
 132                     imageId = wxFileIconsTable::removeable;
 133                 break;
 134             case wxFS_VOL_DVDROM:
 135             case wxFS_VOL_CDROM:
 136                 imageId = wxFileIconsTable::cdrom;
 137                 break;
 138             case wxFS_VOL_NETWORK:
 139                 if (path[0] == wxT('\\'))
 140                     continue; // skip "\\computer\folder"
 141                 imageId = wxFileIconsTable::drive;
 142                 break;
 143             case wxFS_VOL_DISK:
 144             case wxFS_VOL_OTHER:
 145             default:
 146                 imageId = wxFileIconsTable::drive;
 147                 break;
 148         }
 149         paths.Add(path);
 150         names.Add(vol.GetDisplayName());
 151         icon_ids.Add(imageId);
 152     }
 153 #elif defined(__OS2__)
 154     APIRET rc;
 155     ULONG ulDriveNum = 0;
 156     ULONG ulDriveMap = 0;
 157     rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
 158     if ( rc == 0)
 159     {
 160         size_t i = 0;
 161         while (i < 26)
 162         {
 163             if (ulDriveMap & ( 1 << i ))
 164             {
 165                 wxString path, name;
 166                 path.Printf(wxT("%c:\\"), 'A' + i);
 167                 name.Printf(wxT("%c:"), 'A' + i);
 168
 169                 // Note: If _filesys is unsupported by some compilers,
 170                 //       we can always replace it by DosQueryFSAttach
 171                 char filesysname[20];
 172 #ifdef __WATCOMC__
 173                 ULONG cbBuffer = sizeof(filesysname);
 174                 PFSQBUFFER2 pfsqBuffer = (PFSQBUFFER2)filesysname;
 175                 APIRET rc = ::DosQueryFSAttach(name.fn_str(),0,FSAIL_QUERYNAME,pfsqBuffer,&cbBuffer);
 176                 if (rc != NO_ERROR)
 177                 {
 178                     filesysname[0] = '\0';
 179                 }
 180 #else
 181                 _filesys(name.fn_str(), filesysname, sizeof(filesysname));
 182 #endif
 183                 /* FAT, LAN, HPFS, CDFS, NFS */
 184                 int imageId;
 185                 if (path == wxT("A:\\") || path == wxT("B:\\"))
 186                     imageId = wxFileIconsTable::floppy;
 187                 else if (!strcmp(filesysname, "CDFS"))
 188                     imageId = wxFileIconsTable::cdrom;
 189                 else if (!strcmp(filesysname, "LAN") ||
 190                          !strcmp(filesysname, "NFS"))
 191                     imageId = wxFileIconsTable::drive;
 192                 else
 193                     imageId = wxFileIconsTable::drive;
 194                 paths.Add(path);
 195                 names.Add(name);
 196                 icon_ids.Add(imageId);
 197             }
 198             i ++;
 199         }
 200     }
 201 #else // !__WIN32__, !__OS2__
 202     int drive;
 203
 204     /* If we can switch to the drive, it exists. */
 205     for( drive = 1; drive <= 26; drive++ )
 206     {
 207         wxString path, name;
 208         path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
 209         name.Printf(wxT("%c:"), (char) (drive + 'A' - 1));
 210
 211         if (wxIsDriveAvailable(path))
 212         {
 213             paths.Add(path);
 214             names.Add(name);
 215             icon_ids.Add((drive <= 2) ? wxFileIconsTable::floppy : wxFileIconsTable::drive);
 216         }
 217     }
 218 #endif // __WIN32__/!__WIN32__
 219
 220 #elif defined(__WXMAC__)
 221
 222     ItemCount volumeIndex = 1;
 223     OSErr err = noErr ;
 224
 225     while( noErr == err )
 226     {
 227         HFSUniStr255 volumeName ;
 228         FSRef fsRef ;
 229         FSVolumeInfo volumeInfo ;
 230         err = FSGetVolumeInfo(0, volumeIndex, NULL, kFSVolInfoFlags , &volumeInfo , &volumeName, &fsRef);
 231         if( noErr == err )
 232         {
 233             wxString path = wxMacFSRefToPath( &fsRef ) ;
 234             wxString name = wxMacHFSUniStrToString( &volumeName ) ;
 235
 236             if ( (volumeInfo.flags & kFSVolFlagSoftwareLockedMask) || (volumeInfo.flags & kFSVolFlagHardwareLockedMask) )
 237             {
 238                 icon_ids.Add(wxFileIconsTable::cdrom);
 239             }
 240             else
 241             {
 242                 icon_ids.Add(wxFileIconsTable::drive);
 243             }
 244             // todo other removable
 245
 246             paths.Add(path);
 247             names.Add(name);
 248             volumeIndex++ ;
 249         }
 250     }
 251
 252 #elif defined(__UNIX__)
 253     paths.Add(wxT("/"));
 254     names.Add(wxT("/"));
 255     icon_ids.Add(wxFileIconsTable::computer);
 256 #else
 257     #error "Unsupported platform in wxGenericDirCtrl!"
 258 #endif
 259     wxASSERT_MSG( (paths.GetCount() == names.GetCount()), wxT("The number of paths and their human readable names should be equal in number."));
 260     wxASSERT_MSG( (paths.GetCount() == icon_ids.GetCount()), wxT("Wrong number of icons for available drives."));
 261     return paths.GetCount();
 262 }
 263
 264 // ----------------------------------------------------------------------------
 265 // wxIsDriveAvailable
 266 // ----------------------------------------------------------------------------
 267
 268 #if defined(__DOS__)
 269
 270 bool wxIsDriveAvailable(const wxString& dirName)
 271 {
 272     // FIXME_MGL - this method leads to hang up under Watcom for some reason
 273 #ifdef __WATCOMC__
 274     wxUnusedVar(dirName);
 275 #else
 276     if ( dirName.length() == 3 && dirName[1u] == wxT(':') )
 277     {
 278         wxString dirNameLower(dirName.Lower());
 279         // VS: always return true for removable media, since Win95 doesn't
 280         //     like it when MS-DOS app accesses empty floppy drive
 281         return (dirNameLower[0u] == wxT('a') ||
 282                 dirNameLower[0u] == wxT('b') ||
 283                 wxDirExists(dirNameLower));
 284     }
 285     else
 286 #endif
 287         return true;
 288 }
 289
 290 #elif defined(__WINDOWS__) || defined(__OS2__)
 291
 292 int setdrive(int WXUNUSED_IN_WINCE(drive))
 293 {
 294 #ifdef __WXWINCE__
 295     return 0;
 296 #elif defined(__GNUWIN32__) && \
 297     (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 298     return _chdrive(drive);
 299 #else
 300     wxChar  newdrive[4];
 301
 302     if (drive < 1 || drive > 31)
 303         return -1;
 304     newdrive[0] = (wxChar)(wxT('A') + drive - 1);
 305     newdrive[1] = wxT(':');
 306 #ifdef __OS2__
 307     newdrive[2] = wxT('\\');
 308     newdrive[3] = wxT('\0');
 309 #else
 310     newdrive[2] = wxT('\0');
 311 #endif
 312 #if defined(__WXMSW__)
 313     if (::SetCurrentDirectory(newdrive))
 314 #else
 315     // VA doesn't know what LPSTR is and has its own set
 316     if (!DosSetCurrentDir((PSZ)newdrive))
 317 #endif
 318         return 0;
 319     else
 320         return -1;
 321 #endif // !GNUWIN32
 322 }
 323
 324 bool wxIsDriveAvailable(const wxString& WXUNUSED_IN_WINCE(dirName))
 325 {
 326 #ifdef __WXWINCE__
 327     return false;
 328 #else
 329 #ifdef __WIN32__
 330     UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
 331 #endif
 332     bool success = true;
 333
 334     // Check if this is a root directory and if so,
 335     // whether the drive is available.
 336     if (dirName.length() == 3 && dirName[(size_t)1] == wxT(':'))
 337     {
 338         wxString dirNameLower(dirName.Lower());
 339 #if defined(__GNUWIN32__) && !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 340         success = wxDirExists(dirNameLower);
 341 #else
 342         #if defined(__OS2__)
 343         // Avoid changing to drive since no media may be inserted.
 344         if (dirNameLower[(size_t)0] == 'a' || dirNameLower[(size_t)0] == 'b')
 345             return success;
 346         #endif
 347         int currentDrive = _getdrive();
 348         int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
 349         int err = setdrive( thisDrive ) ;
 350         setdrive( currentDrive );
 351
 352         if (err == -1)
 353         {
 354             success = false;
 355         }
 356 #endif
 357     }
 358 #ifdef __WIN32__
 359     (void) SetErrorMode(errorMode);
 360 #endif
 361
 362     return success;
 363 #endif
 364 }
 365 #endif // __WINDOWS__ || __OS2__
 366
 367 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG
 368
 369
 370
 371 #if wxUSE_DIRDLG
 372
 373 // Function which is called by quick sort. We want to override the default wxArrayString behaviour,
 374 // and sort regardless of case.
 375 static int wxCMPFUNC_CONV wxDirCtrlStringCompareFunction(const wxString& strFirst, const wxString& strSecond)
 376 {
 377     return strFirst.CmpNoCase(strSecond);
 378 }
 379
 380 //-----------------------------------------------------------------------------
 381 // wxDirItemData
 382 //-----------------------------------------------------------------------------
 383
 384 wxDirItemData::wxDirItemData(const wxString& path, const wxString& name,
 385                              bool isDir)
 386 {
 387     m_path = path;
 388     m_name = name;
 389     /* Insert logic to detect hidden files here
 390      * In UnixLand we just check whether the first char is a dot
 391      * For FileNameFromPath read LastDirNameInThisPath ;-) */
 392     // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
 393     m_isHidden = false;
 394     m_isExpanded = false;
 395     m_isDir = isDir;
 396 }
 397
 398 void wxDirItemData::SetNewDirName(const wxString& path)
 399 {
 400     m_path = path;
 401     m_name = wxFileNameFromPath(path);
 402 }
 403
 404 bool wxDirItemData::HasSubDirs() const
 405 {
 406     if (m_path.empty())
 407         return false;
 408
 409     wxDir dir;
 410     {
 411         wxLogNull nolog;
 412         if ( !dir.Open(m_path) )
 413             return false;
 414     }
 415
 416     return dir.HasSubDirs();
 417 }
 418
 419 bool wxDirItemData::HasFiles(const wxString& WXUNUSED(spec)) const
 420 {
 421     if (m_path.empty())
 422         return false;
 423
 424     wxDir dir;
 425     {
 426         wxLogNull nolog;
 427         if ( !dir.Open(m_path) )
 428             return false;
 429     }
 430
 431     return dir.HasFiles();
 432 }
 433
 434 //-----------------------------------------------------------------------------
 435 // wxGenericDirCtrl
 436 //-----------------------------------------------------------------------------
 437
 438
 439 #if wxUSE_EXTENDED_RTTI
 440 WX_DEFINE_FLAGS( wxGenericDirCtrlStyle )
 441
 442 wxBEGIN_FLAGS( wxGenericDirCtrlStyle )
 443     // new style border flags, we put them first to
 444     // use them for streaming out
 445     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
 446     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
 447     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
 448     wxFLAGS_MEMBER(wxBORDER_RAISED)
 449     wxFLAGS_MEMBER(wxBORDER_STATIC)
 450     wxFLAGS_MEMBER(wxBORDER_NONE)
 451
 452     // old style border flags
 453     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
 454     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
 455     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
 456     wxFLAGS_MEMBER(wxRAISED_BORDER)
 457     wxFLAGS_MEMBER(wxSTATIC_BORDER)
 458     wxFLAGS_MEMBER(wxBORDER)
 459
 460     // standard window styles
 461     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 462     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 463     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 464     wxFLAGS_MEMBER(wxWANTS_CHARS)
 465     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
 466     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 467     wxFLAGS_MEMBER(wxVSCROLL)
 468     wxFLAGS_MEMBER(wxHSCROLL)
 469
 470     wxFLAGS_MEMBER(wxDIRCTRL_DIR_ONLY)
 471     wxFLAGS_MEMBER(wxDIRCTRL_3D_INTERNAL)
 472     wxFLAGS_MEMBER(wxDIRCTRL_SELECT_FIRST)
 473     wxFLAGS_MEMBER(wxDIRCTRL_SHOW_FILTERS)
 474
 475 wxEND_FLAGS( wxGenericDirCtrlStyle )
 476
 477 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGenericDirCtrl, wxControl,"wx/dirctrl.h")
 478
 479 wxBEGIN_PROPERTIES_TABLE(wxGenericDirCtrl)
 480     wxHIDE_PROPERTY( Children )
 481     wxPROPERTY( DefaultPath , wxString , SetDefaultPath , GetDefaultPath  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 482     wxPROPERTY( Filter , wxString , SetFilter , GetFilter  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 483     wxPROPERTY( DefaultFilter , int , SetFilterIndex, GetFilterIndex, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 484     wxPROPERTY_FLAGS( WindowStyle, wxGenericDirCtrlStyle, long, SetWindowStyleFlag, GetWindowStyleFlag, EMPTY_MACROVALUE , 0, wxT("Helpstring"), wxT("group") )
 485 wxEND_PROPERTIES_TABLE()
 486
 487 wxBEGIN_HANDLERS_TABLE(wxGenericDirCtrl)
 488 wxEND_HANDLERS_TABLE()
 489
 490 wxCONSTRUCTOR_8( wxGenericDirCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , DefaultPath ,
 491                  wxPoint , Position , wxSize , Size , long , WindowStyle , wxString , Filter , int , DefaultFilter )
 492 #else
 493 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
 494 #endif
 495
 496 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
 497   EVT_TREE_ITEM_EXPANDING     (wxID_TREECTRL, wxGenericDirCtrl::OnExpandItem)
 498   EVT_TREE_ITEM_COLLAPSED     (wxID_TREECTRL, wxGenericDirCtrl::OnCollapseItem)
 499   EVT_TREE_BEGIN_LABEL_EDIT   (wxID_TREECTRL, wxGenericDirCtrl::OnBeginEditItem)
 500   EVT_TREE_END_LABEL_EDIT     (wxID_TREECTRL, wxGenericDirCtrl::OnEndEditItem)
 501   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 502 END_EVENT_TABLE()
 503
 504 wxGenericDirCtrl::wxGenericDirCtrl(void)
 505 {
 506     Init();
 507 }
 508
 509 void wxGenericDirCtrl::ExpandRoot()
 510 {
 511     ExpandDir(m_rootId); // automatically expand first level
 512
 513     // Expand and select the default path
 514     if (!m_defaultPath.empty())
 515     {
 516         ExpandPath(m_defaultPath);
 517     }
 518 #ifdef __UNIX__
 519     else
 520     {
 521         // On Unix, there's only one node under the (hidden) root node. It
 522         // represents the / path, so the user would always have to expand it;
 523         // let's do it ourselves
 524         ExpandPath( wxT("/") );
 525     }
 526 #endif
 527 }
 528
 529 bool wxGenericDirCtrl::Create(wxWindow *parent,
 530                               const wxWindowID id,
 531                               const wxString& dir,
 532                               const wxPoint& pos,
 533                               const wxSize& size,
 534                               long style,
 535                               const wxString& filter,
 536                               int defaultFilter,
 537                               const wxString& name)
 538 {
 539     if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
 540         return false;
 541
 542     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 543     SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
 544
 545     Init();
 546
 547     long treeStyle = wxTR_HAS_BUTTONS;
 548
 549     // On Windows CE, if you hide the root, you get a crash when
 550     // attempting to access data for children of the root item.
 551 #ifndef __WXWINCE__
 552     treeStyle |= wxTR_HIDE_ROOT;
 553 #endif
 554
 555 #ifdef __WXGTK20__
 556     treeStyle |= wxTR_NO_LINES;
 557 #endif
 558
 559     if (style & wxDIRCTRL_EDIT_LABELS)
 560         treeStyle |= wxTR_EDIT_LABELS;
 561
 562     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 563         treeStyle |= wxNO_BORDER;
 564     else
 565         treeStyle |= wxBORDER_SUNKEN;
 566
 567     long filterStyle = 0;
 568     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 569         filterStyle |= wxNO_BORDER;
 570     else
 571         filterStyle |= wxBORDER_SUNKEN;
 572
 573     m_treeCtrl = CreateTreeCtrl(this, wxID_TREECTRL,
 574                                 wxPoint(0,0), GetClientSize(), treeStyle);
 575
 576     if (!filter.empty() && (style & wxDIRCTRL_SHOW_FILTERS))
 577         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
 578
 579     m_defaultPath = dir;
 580     m_filter = filter;
 581
 582     if (m_filter.empty())
 583 #ifdef __UNIX__
 584         m_filter = wxT("*");
 585 #else
 586         m_filter = wxT("*.*");
 587 #endif
 588
 589     SetFilterIndex(defaultFilter);
 590
 591     if (m_filterListCtrl)
 592         m_filterListCtrl->FillFilterList(filter, defaultFilter);
 593
 594     m_treeCtrl->SetImageList(wxTheFileIconsTable->GetSmallImageList());
 595
 596     m_showHidden = false;
 597     wxDirItemData* rootData = new wxDirItemData(wxEmptyString, wxEmptyString, true);
 598
 599     wxString rootName;
 600
 601 #if defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__)
 602     rootName = _("Computer");
 603 #else
 604     rootName = _("Sections");
 605 #endif
 606
 607     m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
 608     m_treeCtrl->SetItemHasChildren(m_rootId);
 609
 610     ExpandRoot();
 611
 612     SetInitialSize(size);
 613     DoResize();
 614
 615     return true;
 616 }
 617
 618 wxGenericDirCtrl::~wxGenericDirCtrl()
 619 {
 620 }
 621
 622 void wxGenericDirCtrl::Init()
 623 {
 624     m_showHidden = false;
 625     m_currentFilter = 0;
 626     m_currentFilterStr = wxEmptyString; // Default: any file
 627     m_treeCtrl = NULL;
 628     m_filterListCtrl = NULL;
 629 }
 630
 631 wxTreeCtrl* wxGenericDirCtrl::CreateTreeCtrl(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long treeStyle)
 632 {
 633     return new wxTreeCtrl(parent, id, pos, size, treeStyle);
 634 }
 635
 636 void wxGenericDirCtrl::ShowHidden( bool show )
 637 {
 638     if ( m_showHidden == show )
 639         return;
 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.GetCount(); 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.GetCount(); 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
1212 void wxGenericDirCtrl::DoResize()
1213 {
1214     wxSize sz = GetClientSize();
1215     int verticalSpacing = 3;
1216     if (m_treeCtrl)
1217     {
1218         wxSize filterSz ;
1219         if (m_filterListCtrl)
1220         {
1221             filterSz = m_filterListCtrl->GetSize();
1222             sz.y -= (filterSz.y + verticalSpacing);
1223         }
1224         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1225         if (m_filterListCtrl)
1226         {
1227             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1228             // Don't know why, but this needs refreshing after a resize (wxMSW)
1229             m_filterListCtrl->Refresh();
1230         }
1231     }
1232 }
1233
1234
1235 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1236 {
1237     DoResize();
1238 }
1239
1240 wxTreeItemId wxGenericDirCtrl::AppendItem (const wxTreeItemId & parent,
1241                                            const wxString & text,
1242                                            int image, int selectedImage,
1243                                            wxTreeItemData * data)
1244 {
1245   wxTreeCtrl *treeCtrl = GetTreeCtrl ();
1246
1247   wxASSERT (treeCtrl);
1248
1249   if (treeCtrl)
1250   {
1251     return treeCtrl->AppendItem (parent, text, image, selectedImage, data);
1252   }
1253   else
1254   {
1255     return wxTreeItemId();
1256   }
1257 }
1258
1259
1260 //-----------------------------------------------------------------------------
1261 // wxDirFilterListCtrl
1262 //-----------------------------------------------------------------------------
1263
1264 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1265
1266 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1267     EVT_CHOICE(wxID_ANY, wxDirFilterListCtrl::OnSelFilter)
1268 END_EVENT_TABLE()
1269
1270 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1271               const wxPoint& pos,
1272               const wxSize& size,
1273               long style)
1274 {
1275     m_dirCtrl = parent;
1276     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1277 }
1278
1279 void wxDirFilterListCtrl::Init()
1280 {
1281     m_dirCtrl = NULL;
1282 }
1283
1284 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1285 {
1286     int sel = GetSelection();
1287
1288     wxString currentPath = m_dirCtrl->GetPath();
1289
1290     m_dirCtrl->SetFilterIndex(sel);
1291
1292     // If the filter has changed, the view is out of date, so
1293     // collapse the tree.
1294     m_dirCtrl->ReCreateTree();
1295
1296     // Try to restore the selection, or at least the directory
1297     m_dirCtrl->ExpandPath(currentPath);
1298 }
1299
1300 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1301 {
1302     Clear();
1303     wxArrayString descriptions, filters;
1304     size_t n = (size_t) wxParseCommonDialogsFilter(filter, descriptions, filters);
1305
1306     if (n > 0 && defaultFilter < (int) n)
1307     {
1308         for (size_t i = 0; i < n; i++)
1309             Append(descriptions[i]);
1310         SetSelection(defaultFilter);
1311     }
1312 }
1313 #endif // wxUSE_DIRDLG
1314
1315 #if wxUSE_DIRDLG || wxUSE_FILEDLG
1316
1317 // ----------------------------------------------------------------------------
1318 // wxFileIconsTable icons
1319 // ----------------------------------------------------------------------------
1320
1321 #ifndef __WXGTK24__
1322 /* Computer (c) Julian Smart */
1323 static const char * file_icons_tbl_computer_xpm[] = {
1324 /* columns rows colors chars-per-pixel */
1325 "16 16 42 1",
1326 "r c #4E7FD0",
1327 "$ c #7198D9",
1328 "; c #DCE6F6",
1329 "q c #FFFFFF",
1330 "u c #4A7CCE",
1331 "# c #779DDB",
1332 "w c #95B2E3",
1333 "y c #7FA2DD",
1334 "f c #3263B4",
1335 "= c #EAF0FA",
1336 "< c #B1C7EB",
1337 "% c #6992D7",
1338 "9 c #D9E4F5",
1339 "o c #9BB7E5",
1340 "6 c #F7F9FD",
1341 ", c #BED0EE",
1342 "3 c #F0F5FC",
1343 "1 c #A8C0E8",
1344 "  c None",
1345 "0 c #FDFEFF",
1346 "4 c #C4D5F0",
1347 "@ c #81A4DD",
1348 "e c #4377CD",
1349 "- c #E2EAF8",
1350 "i c #9FB9E5",
1351 "> c #CCDAF2",
1352 "+ c #89A9DF",
1353 "s c #5584D1",
1354 "t c #5D89D3",
1355 ": c #D2DFF4",
1356 "5 c #FAFCFE",
1357 "2 c #F5F8FD",
1358 "8 c #DFE8F7",
1359 "& c #5E8AD4",
1360 "X c #638ED5",
1361 "a c #CEDCF2",
1362 "p c #90AFE2",
1363 "d c #2F5DA9",
1364 "* c #5282D0",
1365 "7 c #E5EDF9",
1366 ". c #A2BCE6",
1367 "O c #8CACE0",
1368 /* pixels */
1369 "                ",
1370 "  .XXXXXXXXXXX  ",
1371 "  oXO++@#$%&*X  ",
1372 "  oX=-;:>,<1%X  ",
1373 "  oX23=-;:4,$X  ",
1374 "  oX5633789:@X  ",
1375 "  oX05623=78+X  ",
1376 "  oXqq05623=OX  ",
1377 "  oX,,,,,<<<$X  ",
1378 "  wXXXXXXXXXXe  ",
1379 "  XrtX%$$y@+O,, ",
1380 "  uyiiiiiiiii@< ",
1381 " ouiiiiiiiiiip<a",
1382 " rustX%$$y@+Ow,,",
1383 " dfffffffffffffd",
1384 "                "
1385 };
1386 #endif // GTK+ < 2.4
1387
1388 // ----------------------------------------------------------------------------
1389 // wxFileIconsTable & friends
1390 // ----------------------------------------------------------------------------
1391
1392 // global instance of a wxFileIconsTable
1393 wxFileIconsTable* wxTheFileIconsTable = (wxFileIconsTable *)NULL;
1394
1395 // A module to allow icons table cleanup
1396
1397 class wxFileIconsTableModule: public wxModule
1398 {
1399 DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
1400 public:
1401     wxFileIconsTableModule() {}
1402     bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return true; }
1403     void OnExit()
1404     {
1405         if (wxTheFileIconsTable)
1406         {
1407             delete wxTheFileIconsTable;
1408             wxTheFileIconsTable = NULL;
1409         }
1410     }
1411 };
1412
1413 IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
1414
1415 class wxFileIconEntry : public wxObject
1416 {
1417 public:
1418     wxFileIconEntry(int i) { id = i; }
1419
1420     int id;
1421 };
1422
1423 wxFileIconsTable::wxFileIconsTable()
1424 {
1425     m_HashTable = NULL;
1426     m_smallImageList = NULL;
1427 }
1428
1429 wxFileIconsTable::~wxFileIconsTable()
1430 {
1431     if (m_HashTable)
1432     {
1433         WX_CLEAR_HASH_TABLE(*m_HashTable);
1434         delete m_HashTable;
1435     }
1436     if (m_smallImageList) delete m_smallImageList;
1437 }
1438
1439 // delayed initialization - wait until first use (wxArtProv not created yet)
1440 void wxFileIconsTable::Create()
1441 {
1442     wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
1443     m_HashTable = new wxHashTable(wxKEY_STRING);
1444     m_smallImageList = new wxImageList(16, 16);
1445
1446     // folder:
1447     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER,
1448                                                    wxART_CMN_DIALOG,
1449                                                    wxSize(16, 16)));
1450     // folder_open
1451     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER_OPEN,
1452                                                    wxART_CMN_DIALOG,
1453                                                    wxSize(16, 16)));
1454     // computer
1455 #ifdef __WXGTK24__
1456     // GTK24 uses this icon in the file open dialog
1457     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1458                                                    wxART_CMN_DIALOG,
1459                                                    wxSize(16, 16)));
1460 #else
1461     m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
1462 #endif
1463     // drive
1464     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1465                                                    wxART_CMN_DIALOG,
1466                                                    wxSize(16, 16)));
1467     // cdrom
1468     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_CDROM,
1469                                                    wxART_CMN_DIALOG,
1470                                                    wxSize(16, 16)));
1471     // floppy
1472     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FLOPPY,
1473                                                    wxART_CMN_DIALOG,
1474                                                    wxSize(16, 16)));
1475     // removeable
1476     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_REMOVABLE,
1477                                                    wxART_CMN_DIALOG,
1478                                                    wxSize(16, 16)));
1479     // file
1480     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE,
1481                                                    wxART_CMN_DIALOG,
1482                                                    wxSize(16, 16)));
1483     // executable
1484     if (GetIconID(wxEmptyString, _T("application/x-executable")) == file)
1485     {
1486         m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE,
1487                                                        wxART_CMN_DIALOG,
1488                                                        wxSize(16, 16)));
1489         delete m_HashTable->Get(_T("exe"));
1490         m_HashTable->Delete(_T("exe"));
1491         m_HashTable->Put(_T("exe"), new wxFileIconEntry(executable));
1492     }
1493     /* else put into list by GetIconID
1494        (KDE defines application/x-executable for *.exe and has nice icon)
1495      */
1496 }
1497
1498 wxImageList *wxFileIconsTable::GetSmallImageList()
1499 {
1500     if (!m_smallImageList)
1501         Create();
1502
1503     return m_smallImageList;
1504 }
1505
1506 #if wxUSE_MIMETYPE && wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1507 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
1508 //     one icon and we won't resize it
1509
1510 static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
1511 {
1512     const unsigned int size = 16;
1513
1514     wxImage smallimg (size, size);
1515     unsigned char *p1, *p2, *ps;
1516     unsigned char mr = img.GetMaskRed(),
1517                   mg = img.GetMaskGreen(),
1518                   mb = img.GetMaskBlue();
1519
1520     unsigned x, y;
1521     unsigned sr, sg, sb, smask;
1522
1523     p1 = img.GetData(), p2 = img.GetData() + 3 * size*2, ps = smallimg.GetData();
1524     smallimg.SetMaskColour(mr, mr, mr);
1525
1526     for (y = 0; y < size; y++)
1527     {
1528         for (x = 0; x < size; x++)
1529         {
1530             sr = sg = sb = smask = 0;
1531             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1532                 sr += p1[0], sg += p1[1], sb += p1[2];
1533             else smask++;
1534             p1 += 3;
1535             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1536                 sr += p1[0], sg += p1[1], sb += p1[2];
1537             else smask++;
1538             p1 += 3;
1539             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1540                 sr += p2[0], sg += p2[1], sb += p2[2];
1541             else smask++;
1542             p2 += 3;
1543             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1544                 sr += p2[0], sg += p2[1], sb += p2[2];
1545             else smask++;
1546             p2 += 3;
1547
1548             if (smask > 2)
1549                 ps[0] = ps[1] = ps[2] = mr;
1550             else
1551             {
1552                 ps[0] = (unsigned char)(sr >> 2);
1553                 ps[1] = (unsigned char)(sg >> 2);
1554                 ps[2] = (unsigned char)(sb >> 2);
1555             }
1556             ps += 3;
1557         }
1558         p1 += size*2 * 3, p2 += size*2 * 3;
1559     }
1560
1561     return wxBitmap(smallimg);
1562 }
1563
1564 // This function is currently not unused anymore
1565 #if 0
1566 // finds empty borders and return non-empty area of image:
1567 static wxImage CutEmptyBorders(const wxImage& img)
1568 {
1569     unsigned char mr = img.GetMaskRed(),
1570                   mg = img.GetMaskGreen(),
1571                   mb = img.GetMaskBlue();
1572     unsigned char *dt = img.GetData(), *dttmp;
1573     unsigned w = img.GetWidth(), h = img.GetHeight();
1574
1575     unsigned top, bottom, left, right, i;
1576     bool empt;
1577
1578 #define MK_DTTMP(x,y)      dttmp = dt + ((x + y * w) * 3)
1579 #define NOEMPTY_PIX(empt)  if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = false; break;}
1580
1581     for (empt = true, top = 0; empt && top < h; top++)
1582     {
1583         MK_DTTMP(0, top);
1584         for (i = 0; i < w; i++, dttmp+=3)
1585             NOEMPTY_PIX(empt)
1586     }
1587     for (empt = true, bottom = h-1; empt && bottom > top; bottom--)
1588     {
1589         MK_DTTMP(0, bottom);
1590         for (i = 0; i < w; i++, dttmp+=3)
1591             NOEMPTY_PIX(empt)
1592     }
1593     for (empt = true, left = 0; empt && left < w; left++)
1594     {
1595         MK_DTTMP(left, 0);
1596         for (i = 0; i < h; i++, dttmp+=3*w)
1597             NOEMPTY_PIX(empt)
1598     }
1599     for (empt = true, right = w-1; empt && right > left; right--)
1600     {
1601         MK_DTTMP(right, 0);
1602         for (i = 0; i < h; i++, dttmp+=3*w)
1603             NOEMPTY_PIX(empt)
1604     }
1605     top--, left--, bottom++, right++;
1606
1607     return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
1608 }
1609 #endif // #if 0
1610
1611 #endif // wxUSE_MIMETYPE
1612
1613 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
1614 {
1615     if (!m_smallImageList)
1616         Create();
1617
1618 #if wxUSE_MIMETYPE
1619     if (!extension.empty())
1620     {
1621         wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
1622         if (entry) return (entry -> id);
1623     }
1624
1625     wxFileType *ft = (mime.empty()) ?
1626                    wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
1627                    wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
1628
1629     wxIconLocation iconLoc;
1630     wxIcon ic;
1631
1632     {
1633         wxLogNull logNull;
1634         if ( ft && ft->GetIcon(&iconLoc) )
1635         {
1636             ic = wxIcon( iconLoc );
1637         }
1638     }
1639
1640     delete ft;
1641
1642     if ( !ic.Ok() )
1643     {
1644         int newid = file;
1645         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1646         return newid;
1647     }
1648
1649     wxBitmap bmp;
1650     bmp.CopyFromIcon(ic);
1651
1652     if ( !bmp.Ok() )
1653     {
1654         int newid = file;
1655         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1656         return newid;
1657     }
1658
1659     const unsigned int size = 16;
1660
1661     int id = m_smallImageList->GetImageCount();
1662     if ((bmp.GetWidth() == (int) size) && (bmp.GetHeight() == (int) size))
1663     {
1664         m_smallImageList->Add(bmp);
1665     }
1666 #if wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1667     else
1668     {
1669         wxImage img = bmp.ConvertToImage();
1670
1671         if ((img.GetWidth() != size*2) || (img.GetHeight() != size*2))
1672 //            m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(size*2, size*2)));
1673             m_smallImageList->Add(CreateAntialiasedBitmap(img.Rescale(size*2, size*2)));
1674         else
1675             m_smallImageList->Add(CreateAntialiasedBitmap(img));
1676     }
1677 #endif // wxUSE_IMAGE
1678
1679     m_HashTable->Put(extension, new wxFileIconEntry(id));
1680     return id;
1681
1682 #else // !wxUSE_MIMETYPE
1683
1684     wxUnusedVar(mime);
1685     if (extension == wxT("exe"))
1686         return executable;
1687     else
1688         return file;
1689 #endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
1690 }
1691
1692 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG