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