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 extern WXDLLEXPORT_DATA(const char) wxFileSelectorDefaultWildcardStr[];
  97
  98 // If compiled under Windows, this macro can cause problems
  99 #ifdef GetFirstChild
 100 #undef GetFirstChild
 101 #endif
 102
 103 bool wxIsDriveAvailable(const wxString& dirName);
 104
 105 // ----------------------------------------------------------------------------
 106 // wxGetAvailableDrives, for WINDOWS, DOS, OS2, MAC, UNIX (returns "/")
 107 // ----------------------------------------------------------------------------
 108
 109 size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayInt &icon_ids)
 110 {
 111 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 112
 113 #ifdef __WXWINCE__
 114     // No logical drives; return "\"
 115     paths.Add(wxT("\\"));
 116     names.Add(wxT("\\"));
 117     icon_ids.Add(wxFileIconsTable::computer);
 118 #elif defined(__WIN32__) && wxUSE_FSVOLUME
 119     // TODO: this code (using wxFSVolumeBase) should be used for all platforms
 120     //       but unfortunately wxFSVolumeBase is not implemented everywhere
 121     const wxArrayString as = wxFSVolumeBase::GetVolumes();
 122
 123     for (size_t i = 0; i < as.GetCount(); i++)
 124     {
 125         wxString path = as[i];
 126         wxFSVolume vol(path);
 127         int imageId;
 128         switch (vol.GetKind())
 129         {
 130             case wxFS_VOL_FLOPPY:
 131                 if ( (path == wxT("a:\\")) || (path == wxT("b:\\")) )
 132                     imageId = wxFileIconsTable::floppy;
 133                 else
 134                     imageId = wxFileIconsTable::removeable;
 135                 break;
 136             case wxFS_VOL_DVDROM:
 137             case wxFS_VOL_CDROM:
 138                 imageId = wxFileIconsTable::cdrom;
 139                 break;
 140             case wxFS_VOL_NETWORK:
 141                 if (path[0] == wxT('\\'))
 142                     continue; // skip "\\computer\folder"
 143                 imageId = wxFileIconsTable::drive;
 144                 break;
 145             case wxFS_VOL_DISK:
 146             case wxFS_VOL_OTHER:
 147             default:
 148                 imageId = wxFileIconsTable::drive;
 149                 break;
 150         }
 151         paths.Add(path);
 152         names.Add(vol.GetDisplayName());
 153         icon_ids.Add(imageId);
 154     }
 155 #elif defined(__OS2__)
 156     APIRET rc;
 157     ULONG ulDriveNum = 0;
 158     ULONG ulDriveMap = 0;
 159     rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
 160     if ( rc == 0)
 161     {
 162         size_t i = 0;
 163         while (i < 26)
 164         {
 165             if (ulDriveMap & ( 1 << i ))
 166             {
 167                 wxString path, name;
 168                 path.Printf(wxT("%c:\\"), 'A' + i);
 169                 name.Printf(wxT("%c:"), 'A' + i);
 170
 171                 // Note: If _filesys is unsupported by some compilers,
 172                 //       we can always replace it by DosQueryFSAttach
 173                 char filesysname[20];
 174 #ifdef __WATCOMC__
 175                 ULONG cbBuffer = sizeof(filesysname);
 176                 PFSQBUFFER2 pfsqBuffer = (PFSQBUFFER2)filesysname;
 177                 APIRET rc = ::DosQueryFSAttach(name.fn_str(),0,FSAIL_QUERYNAME,pfsqBuffer,&cbBuffer);
 178                 if (rc != NO_ERROR)
 179                 {
 180                     filesysname[0] = '\0';
 181                 }
 182 #else
 183                 _filesys(name.fn_str(), filesysname, sizeof(filesysname));
 184 #endif
 185                 /* FAT, LAN, HPFS, CDFS, NFS */
 186                 int imageId;
 187                 if (path == wxT("A:\\") || path == wxT("B:\\"))
 188                     imageId = wxFileIconsTable::floppy;
 189                 else if (!strcmp(filesysname, "CDFS"))
 190                     imageId = wxFileIconsTable::cdrom;
 191                 else if (!strcmp(filesysname, "LAN") ||
 192                          !strcmp(filesysname, "NFS"))
 193                     imageId = wxFileIconsTable::drive;
 194                 else
 195                     imageId = wxFileIconsTable::drive;
 196                 paths.Add(path);
 197                 names.Add(name);
 198                 icon_ids.Add(imageId);
 199             }
 200             i ++;
 201         }
 202     }
 203 #else // !__WIN32__, !__OS2__
 204     int drive;
 205
 206     /* If we can switch to the drive, it exists. */
 207     for( drive = 1; drive <= 26; drive++ )
 208     {
 209         wxString path, name;
 210         path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
 211         name.Printf(wxT("%c:"), (char) (drive + 'A' - 1));
 212
 213         if (wxIsDriveAvailable(path))
 214         {
 215             paths.Add(path);
 216             names.Add(name);
 217             icon_ids.Add((drive <= 2) ? wxFileIconsTable::floppy : wxFileIconsTable::drive);
 218         }
 219     }
 220 #endif // __WIN32__/!__WIN32__
 221
 222 #elif defined(__WXMAC__)
 223
 224     ItemCount volumeIndex = 1;
 225     OSErr err = noErr ;
 226
 227     while( noErr == err )
 228     {
 229         HFSUniStr255 volumeName ;
 230         FSRef fsRef ;
 231         FSVolumeInfo volumeInfo ;
 232         err = FSGetVolumeInfo(0, volumeIndex, NULL, kFSVolInfoFlags , &volumeInfo , &volumeName, &fsRef);
 233         if( noErr == err )
 234         {
 235             wxString path = wxMacFSRefToPath( &fsRef ) ;
 236             wxString name = wxMacHFSUniStrToString( &volumeName ) ;
 237
 238             if ( (volumeInfo.flags & kFSVolFlagSoftwareLockedMask) || (volumeInfo.flags & kFSVolFlagHardwareLockedMask) )
 239             {
 240                 icon_ids.Add(wxFileIconsTable::cdrom);
 241             }
 242             else
 243             {
 244                 icon_ids.Add(wxFileIconsTable::drive);
 245             }
 246             // todo other removable
 247
 248             paths.Add(path);
 249             names.Add(name);
 250             volumeIndex++ ;
 251         }
 252     }
 253
 254 #elif defined(__UNIX__)
 255     paths.Add(wxT("/"));
 256     names.Add(wxT("/"));
 257     icon_ids.Add(wxFileIconsTable::computer);
 258 #else
 259     #error "Unsupported platform in wxGenericDirCtrl!"
 260 #endif
 261     wxASSERT_MSG( (paths.GetCount() == names.GetCount()), wxT("The number of paths and their human readable names should be equal in number."));
 262     wxASSERT_MSG( (paths.GetCount() == icon_ids.GetCount()), wxT("Wrong number of icons for available drives."));
 263     return paths.GetCount();
 264 }
 265
 266 // ----------------------------------------------------------------------------
 267 // wxIsDriveAvailable
 268 // ----------------------------------------------------------------------------
 269
 270 #if defined(__DOS__)
 271
 272 bool wxIsDriveAvailable(const wxString& dirName)
 273 {
 274     // FIXME_MGL - this method leads to hang up under Watcom for some reason
 275 #ifdef __WATCOMC__
 276     wxUnusedVar(dirName);
 277 #else
 278     if ( dirName.length() == 3 && dirName[1u] == wxT(':') )
 279     {
 280         wxString dirNameLower(dirName.Lower());
 281         // VS: always return true for removable media, since Win95 doesn't
 282         //     like it when MS-DOS app accesses empty floppy drive
 283         return (dirNameLower[0u] == wxT('a') ||
 284                 dirNameLower[0u] == wxT('b') ||
 285                 wxDirExists(dirNameLower));
 286     }
 287     else
 288 #endif
 289         return true;
 290 }
 291
 292 #elif defined(__WINDOWS__) || defined(__OS2__)
 293
 294 int setdrive(int WXUNUSED_IN_WINCE(drive))
 295 {
 296 #ifdef __WXWINCE__
 297     return 0;
 298 #elif defined(__GNUWIN32__) && \
 299     (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 300     return _chdrive(drive);
 301 #else
 302     wxChar  newdrive[4];
 303
 304     if (drive < 1 || drive > 31)
 305         return -1;
 306     newdrive[0] = (wxChar)(wxT('A') + drive - 1);
 307     newdrive[1] = wxT(':');
 308 #ifdef __OS2__
 309     newdrive[2] = wxT('\\');
 310     newdrive[3] = wxT('\0');
 311 #else
 312     newdrive[2] = wxT('\0');
 313 #endif
 314 #if defined(__WXMSW__)
 315     if (::SetCurrentDirectory(newdrive))
 316 #else
 317     // VA doesn't know what LPSTR is and has its own set
 318     if (!DosSetCurrentDir((PSZ)newdrive))
 319 #endif
 320         return 0;
 321     else
 322         return -1;
 323 #endif // !GNUWIN32
 324 }
 325
 326 bool wxIsDriveAvailable(const wxString& WXUNUSED_IN_WINCE(dirName))
 327 {
 328 #ifdef __WXWINCE__
 329     return false;
 330 #else
 331 #ifdef __WIN32__
 332     UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
 333 #endif
 334     bool success = true;
 335
 336     // Check if this is a root directory and if so,
 337     // whether the drive is available.
 338     if (dirName.length() == 3 && dirName[(size_t)1] == wxT(':'))
 339     {
 340         wxString dirNameLower(dirName.Lower());
 341 #if defined(__GNUWIN32__) && !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 342         success = wxDirExists(dirNameLower);
 343 #else
 344         #if defined(__OS2__)
 345         // Avoid changing to drive since no media may be inserted.
 346         if (dirNameLower[(size_t)0] == 'a' || dirNameLower[(size_t)0] == 'b')
 347             return success;
 348         #endif
 349         int currentDrive = _getdrive();
 350         int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
 351         int err = setdrive( thisDrive ) ;
 352         setdrive( currentDrive );
 353
 354         if (err == -1)
 355         {
 356             success = false;
 357         }
 358 #endif
 359     }
 360 #ifdef __WIN32__
 361     (void) SetErrorMode(errorMode);
 362 #endif
 363
 364     return success;
 365 #endif
 366 }
 367 #endif // __WINDOWS__ || __OS2__
 368
 369 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG
 370
 371
 372
 373 #if wxUSE_DIRDLG
 374
 375 // Function which is called by quick sort. We want to override the default wxArrayString behaviour,
 376 // and sort regardless of case.
 377 static int wxCMPFUNC_CONV wxDirCtrlStringCompareFunction(const wxString& strFirst, const wxString& strSecond)
 378 {
 379     return strFirst.CmpNoCase(strSecond);
 380 }
 381
 382 //-----------------------------------------------------------------------------
 383 // wxDirItemData
 384 //-----------------------------------------------------------------------------
 385
 386 wxDirItemData::wxDirItemData(const wxString& path, const wxString& name,
 387                              bool isDir)
 388 {
 389     m_path = path;
 390     m_name = name;
 391     /* Insert logic to detect hidden files here
 392      * In UnixLand we just check whether the first char is a dot
 393      * For FileNameFromPath read LastDirNameInThisPath ;-) */
 394     // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
 395     m_isHidden = false;
 396     m_isExpanded = false;
 397     m_isDir = isDir;
 398 }
 399
 400 void wxDirItemData::SetNewDirName(const wxString& path)
 401 {
 402     m_path = path;
 403     m_name = wxFileNameFromPath(path);
 404 }
 405
 406 bool wxDirItemData::HasSubDirs() const
 407 {
 408     if (m_path.empty())
 409         return false;
 410
 411     wxDir dir;
 412     {
 413         wxLogNull nolog;
 414         if ( !dir.Open(m_path) )
 415             return false;
 416     }
 417
 418     return dir.HasSubDirs();
 419 }
 420
 421 bool wxDirItemData::HasFiles(const wxString& WXUNUSED(spec)) const
 422 {
 423     if (m_path.empty())
 424         return false;
 425
 426     wxDir dir;
 427     {
 428         wxLogNull nolog;
 429         if ( !dir.Open(m_path) )
 430             return false;
 431     }
 432
 433     return dir.HasFiles();
 434 }
 435
 436 //-----------------------------------------------------------------------------
 437 // wxGenericDirCtrl
 438 //-----------------------------------------------------------------------------
 439
 440
 441 #if wxUSE_EXTENDED_RTTI
 442 WX_DEFINE_FLAGS( wxGenericDirCtrlStyle )
 443
 444 wxBEGIN_FLAGS( wxGenericDirCtrlStyle )
 445     // new style border flags, we put them first to
 446     // use them for streaming out
 447     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
 448     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
 449     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
 450     wxFLAGS_MEMBER(wxBORDER_RAISED)
 451     wxFLAGS_MEMBER(wxBORDER_STATIC)
 452     wxFLAGS_MEMBER(wxBORDER_NONE)
 453
 454     // old style border flags
 455     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
 456     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
 457     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
 458     wxFLAGS_MEMBER(wxRAISED_BORDER)
 459     wxFLAGS_MEMBER(wxSTATIC_BORDER)
 460     wxFLAGS_MEMBER(wxBORDER)
 461
 462     // standard window styles
 463     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 464     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 465     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 466     wxFLAGS_MEMBER(wxWANTS_CHARS)
 467     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
 468     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 469     wxFLAGS_MEMBER(wxVSCROLL)
 470     wxFLAGS_MEMBER(wxHSCROLL)
 471
 472     wxFLAGS_MEMBER(wxDIRCTRL_DIR_ONLY)
 473     wxFLAGS_MEMBER(wxDIRCTRL_3D_INTERNAL)
 474     wxFLAGS_MEMBER(wxDIRCTRL_SELECT_FIRST)
 475
 476 wxEND_FLAGS( wxGenericDirCtrlStyle )
 477
 478 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGenericDirCtrl, wxControl,"wx/dirctrl.h")
 479
 480 wxBEGIN_PROPERTIES_TABLE(wxGenericDirCtrl)
 481     wxHIDE_PROPERTY( Children )
 482     wxPROPERTY( DefaultPath , wxString , SetDefaultPath , GetDefaultPath  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 483     wxPROPERTY( Filter , wxString , SetFilter , GetFilter  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 484     wxPROPERTY( DefaultFilter , int , SetFilterIndex, GetFilterIndex, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 485     wxPROPERTY_FLAGS( WindowStyle, wxGenericDirCtrlStyle, long, SetWindowStyleFlag, GetWindowStyleFlag, EMPTY_MACROVALUE , 0, wxT("Helpstring"), wxT("group") )
 486 wxEND_PROPERTIES_TABLE()
 487
 488 wxBEGIN_HANDLERS_TABLE(wxGenericDirCtrl)
 489 wxEND_HANDLERS_TABLE()
 490
 491 wxCONSTRUCTOR_8( wxGenericDirCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , DefaultPath ,
 492                  wxPoint , Position , wxSize , Size , long , WindowStyle , wxString , Filter , int , DefaultFilter )
 493 #else
 494 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
 495 #endif
 496
 497 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
 498   EVT_TREE_ITEM_EXPANDING     (wxID_TREECTRL, wxGenericDirCtrl::OnExpandItem)
 499   EVT_TREE_ITEM_COLLAPSED     (wxID_TREECTRL, wxGenericDirCtrl::OnCollapseItem)
 500   EVT_TREE_BEGIN_LABEL_EDIT   (wxID_TREECTRL, wxGenericDirCtrl::OnBeginEditItem)
 501   EVT_TREE_END_LABEL_EDIT     (wxID_TREECTRL, wxGenericDirCtrl::OnEndEditItem)
 502   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 503 END_EVENT_TABLE()
 504
 505 wxGenericDirCtrl::wxGenericDirCtrl(void)
 506 {
 507     Init();
 508 }
 509
 510 void wxGenericDirCtrl::ExpandRoot()
 511 {
 512     ExpandDir(m_rootId); // automatically expand first level
 513
 514     // Expand and select the default path
 515     if (!m_defaultPath.empty())
 516     {
 517         ExpandPath(m_defaultPath);
 518     }
 519 #ifdef __UNIX__
 520     else
 521     {
 522         // On Unix, there's only one node under the (hidden) root node. It
 523         // represents the / path, so the user would always have to expand it;
 524         // let's do it ourselves
 525         ExpandPath( wxT("/") );
 526     }
 527 #endif
 528 }
 529
 530 bool wxGenericDirCtrl::Create(wxWindow *parent,
 531                               const wxWindowID id,
 532                               const wxString& dir,
 533                               const wxPoint& pos,
 534                               const wxSize& size,
 535                               long style,
 536                               const wxString& filter,
 537                               int defaultFilter,
 538                               const wxString& name)
 539 {
 540     if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
 541         return false;
 542
 543     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 544     SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
 545
 546     Init();
 547
 548     long treeStyle = wxTR_HAS_BUTTONS;
 549
 550     // On Windows CE, if you hide the root, you get a crash when
 551     // attempting to access data for children of the root item.
 552 #ifndef __WXWINCE__
 553     treeStyle |= wxTR_HIDE_ROOT;
 554 #endif
 555
 556 #ifdef __WXGTK20__
 557     treeStyle |= wxTR_NO_LINES;
 558 #endif
 559
 560     if (style & wxDIRCTRL_EDIT_LABELS)
 561         treeStyle |= wxTR_EDIT_LABELS;
 562
 563     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 564         treeStyle |= wxNO_BORDER;
 565
 566     m_treeCtrl = CreateTreeCtrl(this, wxID_TREECTRL,
 567                                 wxPoint(0,0), GetClientSize(), treeStyle);
 568
 569     if (!filter.empty())
 570         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
 571
 572     m_defaultPath = dir;
 573     m_filter = filter;
 574
 575     if (m_filter.empty())
 576         m_filter = wxFileSelectorDefaultWildcardStr;
 577
 578     SetFilterIndex(defaultFilter);
 579
 580     if (m_filterListCtrl)
 581         m_filterListCtrl->FillFilterList(filter, defaultFilter);
 582
 583     m_treeCtrl->SetImageList(wxTheFileIconsTable->GetSmallImageList());
 584
 585     m_showHidden = false;
 586     wxDirItemData* rootData = new wxDirItemData(wxEmptyString, wxEmptyString, true);
 587
 588     wxString rootName;
 589
 590 #if defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__)
 591     rootName = _("Computer");
 592 #else
 593     rootName = _("Sections");
 594 #endif
 595
 596     m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
 597     m_treeCtrl->SetItemHasChildren(m_rootId);
 598
 599     ExpandRoot();
 600
 601     SetInitialSize(size);
 602     DoResize();
 603
 604     return true;
 605 }
 606
 607 wxGenericDirCtrl::~wxGenericDirCtrl()
 608 {
 609 }
 610
 611 void wxGenericDirCtrl::Init()
 612 {
 613     m_showHidden = false;
 614     m_currentFilter = 0;
 615     m_currentFilterStr = wxEmptyString; // Default: any file
 616     m_treeCtrl = NULL;
 617     m_filterListCtrl = NULL;
 618 }
 619
 620 wxTreeCtrl* wxGenericDirCtrl::CreateTreeCtrl(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long treeStyle)
 621 {
 622     return new wxTreeCtrl(parent, id, pos, size, treeStyle);
 623 }
 624
 625 void wxGenericDirCtrl::ShowHidden( bool show )
 626 {
 627     if ( m_showHidden == show )
 628         return;
 629
 630     m_showHidden = show;
 631
 632     wxString path = GetPath();
 633     ReCreateTree();
 634     SetPath(path);
 635 }
 636
 637 const wxTreeItemId
 638 wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
 639 {
 640     wxDirItemData *dir_item = new wxDirItemData(path,name,true);
 641
 642     wxTreeItemId id = AppendItem( m_rootId, name, imageId, -1, dir_item);
 643
 644     m_treeCtrl->SetItemHasChildren(id);
 645
 646     return id;
 647 }
 648
 649 void wxGenericDirCtrl::SetupSections()
 650 {
 651     wxArrayString paths, names;
 652     wxArrayInt icons;
 653
 654     size_t n, count = wxGetAvailableDrives(paths, names, icons);
 655
 656 #ifdef __WXGTK20__
 657     wxString home = wxGetHomeDir();
 658     AddSection( home, _("Home directory"), 1);
 659     home += wxT("/Desktop");
 660     AddSection( home, _("Desktop"), 1);
 661 #endif
 662
 663     for (n = 0; n < count; n++)
 664         AddSection(paths[n], names[n], icons[n]);
 665 }
 666
 667 void wxGenericDirCtrl::SetFocus()
 668 {
 669     // we don't need focus ourselves, give it to the tree so that the user
 670     // could navigate it
 671     m_treeCtrl->SetFocus();
 672 }
 673
 674 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 675 {
 676     // don't rename the main entry "Sections"
 677     if (event.GetItem() == m_rootId)
 678     {
 679         event.Veto();
 680         return;
 681     }
 682
 683     // don't rename the individual sections
 684     if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
 685     {
 686         event.Veto();
 687         return;
 688     }
 689 }
 690
 691 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
 692 {
 693     if (event.IsEditCancelled())
 694         return;
 695
 696     if ((event.GetLabel().empty()) ||
 697         (event.GetLabel() == wxT(".")) ||
 698         (event.GetLabel() == wxT("..")) ||
 699         (event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
 700         (event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
 701         (event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
 702     {
 703         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 704         dialog.ShowModal();
 705         event.Veto();
 706         return;
 707     }
 708
 709     wxTreeItemId id = event.GetItem();
 710     wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
 711     wxASSERT( data );
 712
 713     wxString new_name( wxPathOnly( data->m_path ) );
 714     new_name += wxString(wxFILE_SEP_PATH);
 715     new_name += event.GetLabel();
 716
 717     wxLogNull log;
 718
 719     if (wxFileExists(new_name))
 720     {
 721         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 722         dialog.ShowModal();
 723         event.Veto();
 724     }
 725
 726     if (wxRenameFile(data->m_path,new_name))
 727     {
 728         data->SetNewDirName( new_name );
 729     }
 730     else
 731     {
 732         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 733         dialog.ShowModal();
 734         event.Veto();
 735     }
 736 }
 737
 738 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 739 {
 740     wxTreeItemId parentId = event.GetItem();
 741
 742     // VS: this is needed because the event handler is called from wxTreeCtrl
 743     //     ctor when wxTR_HIDE_ROOT was specified
 744
 745     if (!m_rootId.IsOk())
 746
 747         m_rootId = m_treeCtrl->GetRootItem();
 748
 749     ExpandDir(parentId);
 750     if ( m_treeCtrl->GetChildrenCount(parentId, false) == 0 )
 751     {
 752         m_treeCtrl->SetItemHasChildren(parentId, false);
 753     }
 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 (!HasFlag(wxDIRCTRL_DIR_ONLY))
 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         // assume that it does have children by default as it can take a long
 901         // time to really check for this (think remote drives...)
 902         //
 903         // and if we're wrong, we'll correct it later in OnExpandItem() if
 904         // the user really tries to open this item
 905         m_treeCtrl->SetItemHasChildren(id);
 906     }
 907
 908     // Add the sorted filenames
 909     if (!HasFlag(wxDIRCTRL_DIR_ONLY))
 910     {
 911         for (i = 0; i < filenames.GetCount(); i++)
 912         {
 913             eachFilename = filenames[i];
 914             path = dirName;
 915             if (!wxEndsWithPathSeparator(path))
 916                 path += wxString(wxFILE_SEP_PATH);
 917             path += eachFilename;
 918             //path = dirName + wxString(wxT("/")) + eachFilename;
 919             wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,false);
 920             int image_id = wxFileIconsTable::file;
 921             if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
 922                 image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
 923             (void) AppendItem( parentId, eachFilename, image_id, -1, dir_item);
 924         }
 925     }
 926 }
 927
 928 void wxGenericDirCtrl::ReCreateTree()
 929 {
 930     CollapseDir(m_treeCtrl->GetRootItem());
 931     ExpandRoot();
 932 }
 933
 934 void wxGenericDirCtrl::CollapseTree()
 935 {
 936     wxTreeItemIdValue cookie;
 937     wxTreeItemId child = m_treeCtrl->GetFirstChild(m_rootId, cookie);
 938     while (child.IsOk())
 939     {
 940         CollapseDir(child);
 941         child = m_treeCtrl->GetNextChild(m_rootId, cookie);
 942     }
 943 }
 944
 945 // Find the child that matches the first part of 'path'.
 946 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
 947 // then the child for /usr is returned.
 948 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
 949 {
 950     wxString path2(path);
 951
 952     // Make sure all separators are as per the current platform
 953     path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
 954     path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
 955
 956     // Append a separator to foil bogus substring matching
 957     path2 += wxString(wxFILE_SEP_PATH);
 958
 959     // In MSW or PM, case is not significant
 960 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 961     path2.MakeLower();
 962 #endif
 963
 964     wxTreeItemIdValue cookie;
 965     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
 966     while (childId.IsOk())
 967     {
 968         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 969
 970         if (data && !data->m_path.empty())
 971         {
 972             wxString childPath(data->m_path);
 973             if (!wxEndsWithPathSeparator(childPath))
 974                 childPath += wxString(wxFILE_SEP_PATH);
 975
 976             // In MSW and PM, case is not significant
 977 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 978             childPath.MakeLower();
 979 #endif
 980
 981             if (childPath.length() <= path2.length())
 982             {
 983                 wxString path3 = path2.Mid(0, childPath.length());
 984                 if (childPath == path3)
 985                 {
 986                     if (path3.length() == path2.length())
 987                         done = true;
 988                     else
 989                         done = false;
 990                     return childId;
 991                 }
 992             }
 993         }
 994
 995         childId = m_treeCtrl->GetNextChild(parentId, cookie);
 996     }
 997     wxTreeItemId invalid;
 998     return invalid;
 999 }
1000
1001 // Try to expand as much of the given path as possible,
1002 // and select the given tree item.
1003 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
1004 {
1005     bool done = false;
1006     wxTreeItemId id = FindChild(m_rootId, path, done);
1007     wxTreeItemId lastId = id; // The last non-zero id
1008     while (id.IsOk() && !done)
1009     {
1010         ExpandDir(id);
1011
1012         id = FindChild(id, path, done);
1013         if (id.IsOk())
1014             lastId = id;
1015     }
1016     if (!lastId.IsOk())
1017         return false;
1018
1019     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
1020     if (data->m_isDir)
1021     {
1022         m_treeCtrl->Expand(lastId);
1023     }
1024     if (HasFlag(wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
1025     {
1026         // Find the first file in this directory
1027         wxTreeItemIdValue cookie;
1028         wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
1029         bool selectedChild = false;
1030         while (childId.IsOk())
1031         {
1032             data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
1033
1034             if (data && data->m_path != wxEmptyString && !data->m_isDir)
1035             {
1036                 m_treeCtrl->SelectItem(childId);
1037                 m_treeCtrl->EnsureVisible(childId);
1038                 selectedChild = true;
1039                 break;
1040             }
1041             childId = m_treeCtrl->GetNextChild(lastId, cookie);
1042         }
1043         if (!selectedChild)
1044         {
1045             m_treeCtrl->SelectItem(lastId);
1046             m_treeCtrl->EnsureVisible(lastId);
1047         }
1048     }
1049     else
1050     {
1051         m_treeCtrl->SelectItem(lastId);
1052         m_treeCtrl->EnsureVisible(lastId);
1053     }
1054
1055     return true;
1056 }
1057
1058
1059 bool wxGenericDirCtrl::CollapsePath(const wxString& path)
1060 {
1061     bool done           = false;
1062     wxTreeItemId id     = FindChild(m_rootId, path, done);
1063     wxTreeItemId lastId = id; // The last non-zero id
1064
1065     while ( id.IsOk() && !done )
1066     {
1067         CollapseDir(id);
1068
1069         id = FindChild(id, path, done);
1070
1071         if ( id.IsOk() )
1072             lastId = id;
1073     }
1074
1075     if ( !lastId.IsOk() )
1076         return false;
1077
1078     m_treeCtrl->SelectItem(lastId);
1079     m_treeCtrl->EnsureVisible(lastId);
1080
1081     return true;
1082 }
1083
1084
1085 wxString wxGenericDirCtrl::GetPath() const
1086 {
1087     wxTreeItemId id = m_treeCtrl->GetSelection();
1088     if (id)
1089     {
1090         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1091         return data->m_path;
1092     }
1093     else
1094         return wxEmptyString;
1095 }
1096
1097 wxString wxGenericDirCtrl::GetFilePath() const
1098 {
1099     wxTreeItemId id = m_treeCtrl->GetSelection();
1100     if (id)
1101     {
1102         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1103         if (data->m_isDir)
1104             return wxEmptyString;
1105         else
1106             return data->m_path;
1107     }
1108     else
1109         return wxEmptyString;
1110 }
1111
1112 void wxGenericDirCtrl::SetPath(const wxString& path)
1113 {
1114     m_defaultPath = path;
1115     if (m_rootId)
1116         ExpandPath(path);
1117 }
1118
1119 // Not used
1120 #if 0
1121 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1122 {
1123     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1124
1125     // This may take a longish time. Go to busy cursor
1126     wxBusyCursor busy;
1127
1128     wxASSERT(data);
1129
1130     wxString search,path,filename;
1131
1132     wxString dirName(data->m_path);
1133
1134 #if defined(__WXMSW__) || defined(__OS2__)
1135     if (dirName.Last() == ':')
1136         dirName += wxString(wxFILE_SEP_PATH);
1137 #endif
1138
1139     wxDir d;
1140     wxString eachFilename;
1141
1142     wxLogNull log;
1143     d.Open(dirName);
1144
1145     if (d.IsOpened())
1146     {
1147         if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1148         {
1149             do
1150             {
1151                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1152                 {
1153                     filenames.Add(eachFilename);
1154                 }
1155             }
1156             while (d.GetNext(& eachFilename)) ;
1157         }
1158     }
1159 }
1160 #endif
1161
1162 void wxGenericDirCtrl::SetFilterIndex(int n)
1163 {
1164     m_currentFilter = n;
1165
1166     wxString f, d;
1167     if (ExtractWildcard(m_filter, n, f, d))
1168         m_currentFilterStr = f;
1169     else
1170 #ifdef __UNIX__
1171         m_currentFilterStr = wxT("*");
1172 #else
1173         m_currentFilterStr = wxT("*.*");
1174 #endif
1175 }
1176
1177 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1178 {
1179     m_filter = filter;
1180
1181     if (!filter.empty() && !m_filterListCtrl)
1182         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
1183     else if (filter.empty() && m_filterListCtrl)
1184     {
1185         m_filterListCtrl->Destroy();
1186         m_filterListCtrl = NULL;
1187     }
1188
1189     wxString f, d;
1190     if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1191         m_currentFilterStr = f;
1192     else
1193 #ifdef __UNIX__
1194         m_currentFilterStr = wxT("*");
1195 #else
1196         m_currentFilterStr = wxT("*.*");
1197 #endif
1198     // current filter index is meaningless after filter change, set it to zero
1199     SetFilterIndex(0);
1200     if (m_filterListCtrl)
1201         m_filterListCtrl->FillFilterList(m_filter, 0);
1202 }
1203
1204 // Extract description and actual filter from overall filter string
1205 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1206 {
1207     wxArrayString filters, descriptions;
1208     int count = wxParseCommonDialogsFilter(filterStr, descriptions, filters);
1209     if (count > 0 && n < count)
1210     {
1211         filter = filters[n];
1212         description = descriptions[n];
1213         return true;
1214     }
1215
1216     return false;
1217 }
1218
1219
1220 void wxGenericDirCtrl::DoResize()
1221 {
1222     wxSize sz = GetClientSize();
1223     int verticalSpacing = 3;
1224     if (m_treeCtrl)
1225     {
1226         wxSize filterSz ;
1227         if (m_filterListCtrl)
1228         {
1229             filterSz = m_filterListCtrl->GetSize();
1230             sz.y -= (filterSz.y + verticalSpacing);
1231         }
1232         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1233         if (m_filterListCtrl)
1234         {
1235             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1236             // Don't know why, but this needs refreshing after a resize (wxMSW)
1237             m_filterListCtrl->Refresh();
1238         }
1239     }
1240 }
1241
1242
1243 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1244 {
1245     DoResize();
1246 }
1247
1248 wxTreeItemId wxGenericDirCtrl::AppendItem (const wxTreeItemId & parent,
1249                                            const wxString & text,
1250                                            int image, int selectedImage,
1251                                            wxTreeItemData * data)
1252 {
1253   wxTreeCtrl *treeCtrl = GetTreeCtrl ();
1254
1255   wxASSERT (treeCtrl);
1256
1257   if (treeCtrl)
1258   {
1259     return treeCtrl->AppendItem (parent, text, image, selectedImage, data);
1260   }
1261   else
1262   {
1263     return wxTreeItemId();
1264   }
1265 }
1266
1267
1268 //-----------------------------------------------------------------------------
1269 // wxDirFilterListCtrl
1270 //-----------------------------------------------------------------------------
1271
1272 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1273
1274 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1275     EVT_CHOICE(wxID_ANY, wxDirFilterListCtrl::OnSelFilter)
1276 END_EVENT_TABLE()
1277
1278 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent,
1279                                  const wxWindowID id,
1280                                  const wxPoint& pos,
1281                                  const wxSize& size,
1282                                  long style)
1283 {
1284     m_dirCtrl = parent;
1285
1286     // by default our border style is determined by the style of our parent
1287     if ( !(style & wxBORDER_MASK) )
1288     {
1289         style |= parent->HasFlag(wxDIRCTRL_3D_INTERNAL) ? wxBORDER_SUNKEN
1290                                                         : wxBORDER_NONE;
1291     }
1292
1293     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1294 }
1295
1296 void wxDirFilterListCtrl::Init()
1297 {
1298     m_dirCtrl = NULL;
1299 }
1300
1301 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1302 {
1303     int sel = GetSelection();
1304
1305     wxString currentPath = m_dirCtrl->GetPath();
1306
1307     m_dirCtrl->SetFilterIndex(sel);
1308
1309     // If the filter has changed, the view is out of date, so
1310     // collapse the tree.
1311     m_dirCtrl->ReCreateTree();
1312
1313     // Try to restore the selection, or at least the directory
1314     m_dirCtrl->ExpandPath(currentPath);
1315 }
1316
1317 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1318 {
1319     Clear();
1320     wxArrayString descriptions, filters;
1321     size_t n = (size_t) wxParseCommonDialogsFilter(filter, descriptions, filters);
1322
1323     if (n > 0 && defaultFilter < (int) n)
1324     {
1325         for (size_t i = 0; i < n; i++)
1326             Append(descriptions[i]);
1327         SetSelection(defaultFilter);
1328     }
1329 }
1330 #endif // wxUSE_DIRDLG
1331
1332 #if wxUSE_DIRDLG || wxUSE_FILEDLG
1333
1334 // ----------------------------------------------------------------------------
1335 // wxFileIconsTable icons
1336 // ----------------------------------------------------------------------------
1337
1338 #ifndef __WXGTK20__
1339 /* Computer (c) Julian Smart */
1340 static const char * file_icons_tbl_computer_xpm[] = {
1341 /* columns rows colors chars-per-pixel */
1342 "16 16 42 1",
1343 "r c #4E7FD0",
1344 "$ c #7198D9",
1345 "; c #DCE6F6",
1346 "q c #FFFFFF",
1347 "u c #4A7CCE",
1348 "# c #779DDB",
1349 "w c #95B2E3",
1350 "y c #7FA2DD",
1351 "f c #3263B4",
1352 "= c #EAF0FA",
1353 "< c #B1C7EB",
1354 "% c #6992D7",
1355 "9 c #D9E4F5",
1356 "o c #9BB7E5",
1357 "6 c #F7F9FD",
1358 ", c #BED0EE",
1359 "3 c #F0F5FC",
1360 "1 c #A8C0E8",
1361 "  c None",
1362 "0 c #FDFEFF",
1363 "4 c #C4D5F0",
1364 "@ c #81A4DD",
1365 "e c #4377CD",
1366 "- c #E2EAF8",
1367 "i c #9FB9E5",
1368 "> c #CCDAF2",
1369 "+ c #89A9DF",
1370 "s c #5584D1",
1371 "t c #5D89D3",
1372 ": c #D2DFF4",
1373 "5 c #FAFCFE",
1374 "2 c #F5F8FD",
1375 "8 c #DFE8F7",
1376 "& c #5E8AD4",
1377 "X c #638ED5",
1378 "a c #CEDCF2",
1379 "p c #90AFE2",
1380 "d c #2F5DA9",
1381 "* c #5282D0",
1382 "7 c #E5EDF9",
1383 ". c #A2BCE6",
1384 "O c #8CACE0",
1385 /* pixels */
1386 "                ",
1387 "  .XXXXXXXXXXX  ",
1388 "  oXO++@#$%&*X  ",
1389 "  oX=-;:>,<1%X  ",
1390 "  oX23=-;:4,$X  ",
1391 "  oX5633789:@X  ",
1392 "  oX05623=78+X  ",
1393 "  oXqq05623=OX  ",
1394 "  oX,,,,,<<<$X  ",
1395 "  wXXXXXXXXXXe  ",
1396 "  XrtX%$$y@+O,, ",
1397 "  uyiiiiiiiii@< ",
1398 " ouiiiiiiiiiip<a",
1399 " rustX%$$y@+Ow,,",
1400 " dfffffffffffffd",
1401 "                "
1402 };
1403 #endif // !GTK+ 2
1404
1405 // ----------------------------------------------------------------------------
1406 // wxFileIconsTable & friends
1407 // ----------------------------------------------------------------------------
1408
1409 // global instance of a wxFileIconsTable
1410 wxFileIconsTable* wxTheFileIconsTable = (wxFileIconsTable *)NULL;
1411
1412 // A module to allow icons table cleanup
1413
1414 class wxFileIconsTableModule: public wxModule
1415 {
1416 DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
1417 public:
1418     wxFileIconsTableModule() {}
1419     bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return true; }
1420     void OnExit()
1421     {
1422         if (wxTheFileIconsTable)
1423         {
1424             delete wxTheFileIconsTable;
1425             wxTheFileIconsTable = NULL;
1426         }
1427     }
1428 };
1429
1430 IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
1431
1432 class wxFileIconEntry : public wxObject
1433 {
1434 public:
1435     wxFileIconEntry(int i) { id = i; }
1436
1437     int id;
1438 };
1439
1440 wxFileIconsTable::wxFileIconsTable()
1441 {
1442     m_HashTable = NULL;
1443     m_smallImageList = NULL;
1444 }
1445
1446 wxFileIconsTable::~wxFileIconsTable()
1447 {
1448     if (m_HashTable)
1449     {
1450         WX_CLEAR_HASH_TABLE(*m_HashTable);
1451         delete m_HashTable;
1452     }
1453     if (m_smallImageList) delete m_smallImageList;
1454 }
1455
1456 // delayed initialization - wait until first use (wxArtProv not created yet)
1457 void wxFileIconsTable::Create()
1458 {
1459     wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
1460     m_HashTable = new wxHashTable(wxKEY_STRING);
1461     m_smallImageList = new wxImageList(16, 16);
1462
1463     // folder:
1464     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER,
1465                                                    wxART_CMN_DIALOG,
1466                                                    wxSize(16, 16)));
1467     // folder_open
1468     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER_OPEN,
1469                                                    wxART_CMN_DIALOG,
1470                                                    wxSize(16, 16)));
1471     // computer
1472 #ifdef __WXGTK20__
1473     // GTK24 uses this icon in the file open dialog
1474     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1475                                                    wxART_CMN_DIALOG,
1476                                                    wxSize(16, 16)));
1477 #else
1478     m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
1479 #endif
1480     // drive
1481     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1482                                                    wxART_CMN_DIALOG,
1483                                                    wxSize(16, 16)));
1484     // cdrom
1485     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_CDROM,
1486                                                    wxART_CMN_DIALOG,
1487                                                    wxSize(16, 16)));
1488     // floppy
1489     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FLOPPY,
1490                                                    wxART_CMN_DIALOG,
1491                                                    wxSize(16, 16)));
1492     // removeable
1493     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_REMOVABLE,
1494                                                    wxART_CMN_DIALOG,
1495                                                    wxSize(16, 16)));
1496     // file
1497     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE,
1498                                                    wxART_CMN_DIALOG,
1499                                                    wxSize(16, 16)));
1500     // executable
1501     if (GetIconID(wxEmptyString, _T("application/x-executable")) == file)
1502     {
1503         m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE,
1504                                                        wxART_CMN_DIALOG,
1505                                                        wxSize(16, 16)));
1506         delete m_HashTable->Get(_T("exe"));
1507         m_HashTable->Delete(_T("exe"));
1508         m_HashTable->Put(_T("exe"), new wxFileIconEntry(executable));
1509     }
1510     /* else put into list by GetIconID
1511        (KDE defines application/x-executable for *.exe and has nice icon)
1512      */
1513 }
1514
1515 wxImageList *wxFileIconsTable::GetSmallImageList()
1516 {
1517     if (!m_smallImageList)
1518         Create();
1519
1520     return m_smallImageList;
1521 }
1522
1523 #if wxUSE_MIMETYPE && wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1524 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
1525 //     one icon and we won't resize it
1526
1527 static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
1528 {
1529     const unsigned int size = 16;
1530
1531     wxImage smallimg (size, size);
1532     unsigned char *p1, *p2, *ps;
1533     unsigned char mr = img.GetMaskRed(),
1534                   mg = img.GetMaskGreen(),
1535                   mb = img.GetMaskBlue();
1536
1537     unsigned x, y;
1538     unsigned sr, sg, sb, smask;
1539
1540     p1 = img.GetData(), p2 = img.GetData() + 3 * size*2, ps = smallimg.GetData();
1541     smallimg.SetMaskColour(mr, mr, mr);
1542
1543     for (y = 0; y < size; y++)
1544     {
1545         for (x = 0; x < size; x++)
1546         {
1547             sr = sg = sb = smask = 0;
1548             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1549                 sr += p1[0], sg += p1[1], sb += p1[2];
1550             else smask++;
1551             p1 += 3;
1552             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1553                 sr += p1[0], sg += p1[1], sb += p1[2];
1554             else smask++;
1555             p1 += 3;
1556             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1557                 sr += p2[0], sg += p2[1], sb += p2[2];
1558             else smask++;
1559             p2 += 3;
1560             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1561                 sr += p2[0], sg += p2[1], sb += p2[2];
1562             else smask++;
1563             p2 += 3;
1564
1565             if (smask > 2)
1566                 ps[0] = ps[1] = ps[2] = mr;
1567             else
1568             {
1569                 ps[0] = (unsigned char)(sr >> 2);
1570                 ps[1] = (unsigned char)(sg >> 2);
1571                 ps[2] = (unsigned char)(sb >> 2);
1572             }
1573             ps += 3;
1574         }
1575         p1 += size*2 * 3, p2 += size*2 * 3;
1576     }
1577
1578     return wxBitmap(smallimg);
1579 }
1580
1581 // This function is currently not unused anymore
1582 #if 0
1583 // finds empty borders and return non-empty area of image:
1584 static wxImage CutEmptyBorders(const wxImage& img)
1585 {
1586     unsigned char mr = img.GetMaskRed(),
1587                   mg = img.GetMaskGreen(),
1588                   mb = img.GetMaskBlue();
1589     unsigned char *dt = img.GetData(), *dttmp;
1590     unsigned w = img.GetWidth(), h = img.GetHeight();
1591
1592     unsigned top, bottom, left, right, i;
1593     bool empt;
1594
1595 #define MK_DTTMP(x,y)      dttmp = dt + ((x + y * w) * 3)
1596 #define NOEMPTY_PIX(empt)  if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = false; break;}
1597
1598     for (empt = true, top = 0; empt && top < h; top++)
1599     {
1600         MK_DTTMP(0, top);
1601         for (i = 0; i < w; i++, dttmp+=3)
1602             NOEMPTY_PIX(empt)
1603     }
1604     for (empt = true, bottom = h-1; empt && bottom > top; bottom--)
1605     {
1606         MK_DTTMP(0, bottom);
1607         for (i = 0; i < w; i++, dttmp+=3)
1608             NOEMPTY_PIX(empt)
1609     }
1610     for (empt = true, left = 0; empt && left < w; left++)
1611     {
1612         MK_DTTMP(left, 0);
1613         for (i = 0; i < h; i++, dttmp+=3*w)
1614             NOEMPTY_PIX(empt)
1615     }
1616     for (empt = true, right = w-1; empt && right > left; right--)
1617     {
1618         MK_DTTMP(right, 0);
1619         for (i = 0; i < h; i++, dttmp+=3*w)
1620             NOEMPTY_PIX(empt)
1621     }
1622     top--, left--, bottom++, right++;
1623
1624     return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
1625 }
1626 #endif // #if 0
1627
1628 #endif // wxUSE_MIMETYPE
1629
1630 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
1631 {
1632     if (!m_smallImageList)
1633         Create();
1634
1635 #if wxUSE_MIMETYPE
1636     if (!extension.empty())
1637     {
1638         wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
1639         if (entry) return (entry -> id);
1640     }
1641
1642     wxFileType *ft = (mime.empty()) ?
1643                    wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
1644                    wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
1645
1646     wxIconLocation iconLoc;
1647     wxIcon ic;
1648
1649     {
1650         wxLogNull logNull;
1651         if ( ft && ft->GetIcon(&iconLoc) )
1652         {
1653             ic = wxIcon( iconLoc );
1654         }
1655     }
1656
1657     delete ft;
1658
1659     if ( !ic.Ok() )
1660     {
1661         int newid = file;
1662         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1663         return newid;
1664     }
1665
1666     wxBitmap bmp;
1667     bmp.CopyFromIcon(ic);
1668
1669     if ( !bmp.Ok() )
1670     {
1671         int newid = file;
1672         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1673         return newid;
1674     }
1675
1676     const unsigned int size = 16;
1677
1678     int id = m_smallImageList->GetImageCount();
1679     if ((bmp.GetWidth() == (int) size) && (bmp.GetHeight() == (int) size))
1680     {
1681         m_smallImageList->Add(bmp);
1682     }
1683 #if wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1684     else
1685     {
1686         wxImage img = bmp.ConvertToImage();
1687
1688         if ((img.GetWidth() != size*2) || (img.GetHeight() != size*2))
1689 //            m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(size*2, size*2)));
1690             m_smallImageList->Add(CreateAntialiasedBitmap(img.Rescale(size*2, size*2)));
1691         else
1692             m_smallImageList->Add(CreateAntialiasedBitmap(img));
1693     }
1694 #endif // wxUSE_IMAGE
1695
1696     m_HashTable->Put(extension, new wxFileIconEntry(id));
1697     return id;
1698
1699 #else // !wxUSE_MIMETYPE
1700
1701     wxUnusedVar(mime);
1702     if (extension == wxT("exe"))
1703         return executable;
1704     else
1705         return file;
1706 #endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
1707 }
1708
1709 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG