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/osx/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__) && wxOSX_USE_COCOA_OR_CARBON
 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__) || defined(__WXPALMOS__)
 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     if (m_treeCtrl)
 672         m_treeCtrl->SetFocus();
 673 }
 674
 675 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 676 {
 677     // don't rename the main entry "Sections"
 678     if (event.GetItem() == m_rootId)
 679     {
 680         event.Veto();
 681         return;
 682     }
 683
 684     // don't rename the individual sections
 685     if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
 686     {
 687         event.Veto();
 688         return;
 689     }
 690 }
 691
 692 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
 693 {
 694     if (event.IsEditCancelled())
 695         return;
 696
 697     if ((event.GetLabel().empty()) ||
 698         (event.GetLabel() == wxT(".")) ||
 699         (event.GetLabel() == wxT("..")) ||
 700         (event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
 701         (event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
 702         (event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
 703     {
 704         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 705         dialog.ShowModal();
 706         event.Veto();
 707         return;
 708     }
 709
 710     wxTreeItemId id = event.GetItem();
 711     wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
 712     wxASSERT( data );
 713
 714     wxString new_name( wxPathOnly( data->m_path ) );
 715     new_name += wxString(wxFILE_SEP_PATH);
 716     new_name += event.GetLabel();
 717
 718     wxLogNull log;
 719
 720     if (wxFileExists(new_name))
 721     {
 722         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 723         dialog.ShowModal();
 724         event.Veto();
 725     }
 726
 727     if (wxRenameFile(data->m_path,new_name))
 728     {
 729         data->SetNewDirName( new_name );
 730     }
 731     else
 732     {
 733         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 734         dialog.ShowModal();
 735         event.Veto();
 736     }
 737 }
 738
 739 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 740 {
 741     wxTreeItemId parentId = event.GetItem();
 742
 743     // VS: this is needed because the event handler is called from wxTreeCtrl
 744     //     ctor when wxTR_HIDE_ROOT was specified
 745
 746     if (!m_rootId.IsOk())
 747
 748         m_rootId = m_treeCtrl->GetRootItem();
 749
 750     ExpandDir(parentId);
 751     if ( m_treeCtrl->GetChildrenCount(parentId, false) == 0 )
 752     {
 753         m_treeCtrl->SetItemHasChildren(parentId, false);
 754     }
 755 }
 756
 757 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
 758 {
 759     CollapseDir(event.GetItem());
 760 }
 761
 762 void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
 763 {
 764     wxTreeItemId child;
 765
 766     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 767     if (!data->m_isExpanded)
 768         return;
 769
 770     data->m_isExpanded = false;
 771     wxTreeItemIdValue cookie;
 772     /* Workaround because DeleteChildren has disapeared (why?) and
 773      * CollapseAndReset doesn't work as advertised (deletes parent too) */
 774     child = m_treeCtrl->GetFirstChild(parentId, cookie);
 775     while (child.IsOk())
 776     {
 777         m_treeCtrl->Delete(child);
 778         /* Not GetNextChild below, because the cookie mechanism can't
 779          * handle disappearing children! */
 780         child = m_treeCtrl->GetFirstChild(parentId, cookie);
 781     }
 782     if (parentId != m_treeCtrl->GetRootItem())
 783         m_treeCtrl->Collapse(parentId);
 784 }
 785
 786 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 787 {
 788     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 789
 790     if (data->m_isExpanded)
 791         return;
 792
 793     data->m_isExpanded = true;
 794
 795     if (parentId == m_treeCtrl->GetRootItem())
 796     {
 797         SetupSections();
 798         return;
 799     }
 800
 801     wxASSERT(data);
 802
 803     wxString search,path,filename;
 804
 805     wxString dirName(data->m_path);
 806
 807 #if (defined(__WINDOWS__) && !defined(__WXWINCE__)) || defined(__DOS__) || defined(__OS2__)
 808     // Check if this is a root directory and if so,
 809     // whether the drive is avaiable.
 810     if (!wxIsDriveAvailable(dirName))
 811     {
 812         data->m_isExpanded = false;
 813         //wxMessageBox(wxT("Sorry, this drive is not available."));
 814         return;
 815     }
 816 #endif
 817
 818     // This may take a longish time. Go to busy cursor
 819     wxBusyCursor busy;
 820
 821 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 822     if (dirName.Last() == ':')
 823         dirName += wxString(wxFILE_SEP_PATH);
 824 #endif
 825
 826     wxArrayString dirs;
 827     wxArrayString filenames;
 828
 829     wxDir d;
 830     wxString eachFilename;
 831
 832     wxLogNull log;
 833     d.Open(dirName);
 834
 835     if (d.IsOpened())
 836     {
 837         int style = wxDIR_DIRS;
 838         if (m_showHidden) style |= wxDIR_HIDDEN;
 839         if (d.GetFirst(& eachFilename, wxEmptyString, style))
 840         {
 841             do
 842             {
 843                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 844                 {
 845                     dirs.Add(eachFilename);
 846                 }
 847             }
 848             while (d.GetNext(&eachFilename));
 849         }
 850     }
 851     dirs.Sort(wxDirCtrlStringCompareFunction);
 852
 853     // Now do the filenames -- but only if we're allowed to
 854     if (!HasFlag(wxDIRCTRL_DIR_ONLY))
 855     {
 856         d.Open(dirName);
 857
 858         if (d.IsOpened())
 859         {
 860             int style = wxDIR_FILES;
 861             if (m_showHidden) style |= wxDIR_HIDDEN;
 862             // Process each filter (ex: "JPEG Files (*.jpg;*.jpeg)|*.jpg;*.jpeg")
 863             wxStringTokenizer strTok;
 864             wxString curFilter;
 865             strTok.SetString(m_currentFilterStr,wxT(";"));
 866             while(strTok.HasMoreTokens())
 867             {
 868                 curFilter = strTok.GetNextToken();
 869                 if (d.GetFirst(& eachFilename, curFilter, style))
 870                 {
 871                     do
 872                     {
 873                         if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 874                         {
 875                             filenames.Add(eachFilename);
 876                         }
 877                     }
 878                     while (d.GetNext(& eachFilename));
 879                 }
 880             }
 881         }
 882         filenames.Sort(wxDirCtrlStringCompareFunction);
 883     }
 884
 885     // Add the sorted dirs
 886     size_t i;
 887     for (i = 0; i < dirs.GetCount(); i++)
 888     {
 889         eachFilename = dirs[i];
 890         path = dirName;
 891         if (!wxEndsWithPathSeparator(path))
 892             path += wxString(wxFILE_SEP_PATH);
 893         path += eachFilename;
 894
 895         wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,true);
 896         wxTreeItemId id = AppendItem( parentId, eachFilename,
 897                                       wxFileIconsTable::folder, -1, dir_item);
 898         m_treeCtrl->SetItemImage( id, wxFileIconsTable::folder_open,
 899                                   wxTreeItemIcon_Expanded );
 900
 901         // assume that it does have children by default as it can take a long
 902         // time to really check for this (think remote drives...)
 903         //
 904         // and if we're wrong, we'll correct it later in OnExpandItem() if
 905         // the user really tries to open this item
 906         m_treeCtrl->SetItemHasChildren(id);
 907     }
 908
 909     // Add the sorted filenames
 910     if (!HasFlag(wxDIRCTRL_DIR_ONLY))
 911     {
 912         for (i = 0; i < filenames.GetCount(); i++)
 913         {
 914             eachFilename = filenames[i];
 915             path = dirName;
 916             if (!wxEndsWithPathSeparator(path))
 917                 path += wxString(wxFILE_SEP_PATH);
 918             path += eachFilename;
 919             //path = dirName + wxString(wxT("/")) + eachFilename;
 920             wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,false);
 921             int image_id = wxFileIconsTable::file;
 922             if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
 923                 image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
 924             (void) AppendItem( parentId, eachFilename, image_id, -1, dir_item);
 925         }
 926     }
 927 }
 928
 929 void wxGenericDirCtrl::ReCreateTree()
 930 {
 931     CollapseDir(m_treeCtrl->GetRootItem());
 932     ExpandRoot();
 933 }
 934
 935 void wxGenericDirCtrl::CollapseTree()
 936 {
 937     wxTreeItemIdValue cookie;
 938     wxTreeItemId child = m_treeCtrl->GetFirstChild(m_rootId, cookie);
 939     while (child.IsOk())
 940     {
 941         CollapseDir(child);
 942         child = m_treeCtrl->GetNextChild(m_rootId, cookie);
 943     }
 944 }
 945
 946 // Find the child that matches the first part of 'path'.
 947 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
 948 // then the child for /usr is returned.
 949 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
 950 {
 951     wxString path2(path);
 952
 953     // Make sure all separators are as per the current platform
 954     path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
 955     path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
 956
 957     // Append a separator to foil bogus substring matching
 958     path2 += wxString(wxFILE_SEP_PATH);
 959
 960     // In MSW or PM, case is not significant
 961 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 962     path2.MakeLower();
 963 #endif
 964
 965     wxTreeItemIdValue cookie;
 966     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
 967     while (childId.IsOk())
 968     {
 969         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 970
 971         if (data && !data->m_path.empty())
 972         {
 973             wxString childPath(data->m_path);
 974             if (!wxEndsWithPathSeparator(childPath))
 975                 childPath += wxString(wxFILE_SEP_PATH);
 976
 977             // In MSW and PM, case is not significant
 978 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 979             childPath.MakeLower();
 980 #endif
 981
 982             if (childPath.length() <= path2.length())
 983             {
 984                 wxString path3 = path2.Mid(0, childPath.length());
 985                 if (childPath == path3)
 986                 {
 987                     if (path3.length() == path2.length())
 988                         done = true;
 989                     else
 990                         done = false;
 991                     return childId;
 992                 }
 993             }
 994         }
 995
 996         childId = m_treeCtrl->GetNextChild(parentId, cookie);
 997     }
 998     wxTreeItemId invalid;
 999     return invalid;
1000 }
1001
1002 // Try to expand as much of the given path as possible,
1003 // and select the given tree item.
1004 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
1005 {
1006     bool done = false;
1007     wxTreeItemId id = FindChild(m_rootId, path, done);
1008     wxTreeItemId lastId = id; // The last non-zero id
1009     while (id.IsOk() && !done)
1010     {
1011         ExpandDir(id);
1012
1013         id = FindChild(id, path, done);
1014         if (id.IsOk())
1015             lastId = id;
1016     }
1017     if (!lastId.IsOk())
1018         return false;
1019
1020     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
1021     if (data->m_isDir)
1022     {
1023         m_treeCtrl->Expand(lastId);
1024     }
1025     if (HasFlag(wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
1026     {
1027         // Find the first file in this directory
1028         wxTreeItemIdValue cookie;
1029         wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
1030         bool selectedChild = false;
1031         while (childId.IsOk())
1032         {
1033             data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
1034
1035             if (data && data->m_path != wxEmptyString && !data->m_isDir)
1036             {
1037                 m_treeCtrl->SelectItem(childId);
1038                 m_treeCtrl->EnsureVisible(childId);
1039                 selectedChild = true;
1040                 break;
1041             }
1042             childId = m_treeCtrl->GetNextChild(lastId, cookie);
1043         }
1044         if (!selectedChild)
1045         {
1046             m_treeCtrl->SelectItem(lastId);
1047             m_treeCtrl->EnsureVisible(lastId);
1048         }
1049     }
1050     else
1051     {
1052         m_treeCtrl->SelectItem(lastId);
1053         m_treeCtrl->EnsureVisible(lastId);
1054     }
1055
1056     return true;
1057 }
1058
1059
1060 bool wxGenericDirCtrl::CollapsePath(const wxString& path)
1061 {
1062     bool done           = false;
1063     wxTreeItemId id     = FindChild(m_rootId, path, done);
1064     wxTreeItemId lastId = id; // The last non-zero id
1065
1066     while ( id.IsOk() && !done )
1067     {
1068         CollapseDir(id);
1069
1070         id = FindChild(id, path, done);
1071
1072         if ( id.IsOk() )
1073             lastId = id;
1074     }
1075
1076     if ( !lastId.IsOk() )
1077         return false;
1078
1079     m_treeCtrl->SelectItem(lastId);
1080     m_treeCtrl->EnsureVisible(lastId);
1081
1082     return true;
1083 }
1084
1085
1086 wxString wxGenericDirCtrl::GetPath() const
1087 {
1088     wxTreeItemId id = m_treeCtrl->GetSelection();
1089     if (id)
1090     {
1091         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1092         return data->m_path;
1093     }
1094     else
1095         return wxEmptyString;
1096 }
1097
1098 wxString wxGenericDirCtrl::GetFilePath() const
1099 {
1100     wxTreeItemId id = m_treeCtrl->GetSelection();
1101     if (id)
1102     {
1103         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1104         if (data->m_isDir)
1105             return wxEmptyString;
1106         else
1107             return data->m_path;
1108     }
1109     else
1110         return wxEmptyString;
1111 }
1112
1113 void wxGenericDirCtrl::SetPath(const wxString& path)
1114 {
1115     m_defaultPath = path;
1116     if (m_rootId)
1117         ExpandPath(path);
1118 }
1119
1120 // Not used
1121 #if 0
1122 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1123 {
1124     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1125
1126     // This may take a longish time. Go to busy cursor
1127     wxBusyCursor busy;
1128
1129     wxASSERT(data);
1130
1131     wxString search,path,filename;
1132
1133     wxString dirName(data->m_path);
1134
1135 #if defined(__WXMSW__) || defined(__OS2__)
1136     if (dirName.Last() == ':')
1137         dirName += wxString(wxFILE_SEP_PATH);
1138 #endif
1139
1140     wxDir d;
1141     wxString eachFilename;
1142
1143     wxLogNull log;
1144     d.Open(dirName);
1145
1146     if (d.IsOpened())
1147     {
1148         if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1149         {
1150             do
1151             {
1152                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1153                 {
1154                     filenames.Add(eachFilename);
1155                 }
1156             }
1157             while (d.GetNext(& eachFilename)) ;
1158         }
1159     }
1160 }
1161 #endif
1162
1163 void wxGenericDirCtrl::SetFilterIndex(int n)
1164 {
1165     m_currentFilter = n;
1166
1167     wxString f, d;
1168     if (ExtractWildcard(m_filter, n, f, d))
1169         m_currentFilterStr = f;
1170     else
1171 #ifdef __UNIX__
1172         m_currentFilterStr = wxT("*");
1173 #else
1174         m_currentFilterStr = wxT("*.*");
1175 #endif
1176 }
1177
1178 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1179 {
1180     m_filter = filter;
1181
1182     if (!filter.empty() && !m_filterListCtrl)
1183         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
1184     else if (filter.empty() && m_filterListCtrl)
1185     {
1186         m_filterListCtrl->Destroy();
1187         m_filterListCtrl = NULL;
1188     }
1189
1190     wxString f, d;
1191     if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1192         m_currentFilterStr = f;
1193     else
1194 #ifdef __UNIX__
1195         m_currentFilterStr = wxT("*");
1196 #else
1197         m_currentFilterStr = wxT("*.*");
1198 #endif
1199     // current filter index is meaningless after filter change, set it to zero
1200     SetFilterIndex(0);
1201     if (m_filterListCtrl)
1202         m_filterListCtrl->FillFilterList(m_filter, 0);
1203 }
1204
1205 // Extract description and actual filter from overall filter string
1206 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1207 {
1208     wxArrayString filters, descriptions;
1209     int count = wxParseCommonDialogsFilter(filterStr, descriptions, filters);
1210     if (count > 0 && n < count)
1211     {
1212         filter = filters[n];
1213         description = descriptions[n];
1214         return true;
1215     }
1216
1217     return false;
1218 }
1219
1220
1221 void wxGenericDirCtrl::DoResize()
1222 {
1223     wxSize sz = GetClientSize();
1224     int verticalSpacing = 3;
1225     if (m_treeCtrl)
1226     {
1227         wxSize filterSz ;
1228         if (m_filterListCtrl)
1229         {
1230             filterSz = m_filterListCtrl->GetSize();
1231             sz.y -= (filterSz.y + verticalSpacing);
1232         }
1233         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1234         if (m_filterListCtrl)
1235         {
1236             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1237             // Don't know why, but this needs refreshing after a resize (wxMSW)
1238             m_filterListCtrl->Refresh();
1239         }
1240     }
1241 }
1242
1243
1244 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1245 {
1246     DoResize();
1247 }
1248
1249 wxTreeItemId wxGenericDirCtrl::AppendItem (const wxTreeItemId & parent,
1250                                            const wxString & text,
1251                                            int image, int selectedImage,
1252                                            wxTreeItemData * data)
1253 {
1254   wxTreeCtrl *treeCtrl = GetTreeCtrl ();
1255
1256   wxASSERT (treeCtrl);
1257
1258   if (treeCtrl)
1259   {
1260     return treeCtrl->AppendItem (parent, text, image, selectedImage, data);
1261   }
1262   else
1263   {
1264     return wxTreeItemId();
1265   }
1266 }
1267
1268
1269 //-----------------------------------------------------------------------------
1270 // wxDirFilterListCtrl
1271 //-----------------------------------------------------------------------------
1272
1273 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1274
1275 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1276     EVT_CHOICE(wxID_ANY, wxDirFilterListCtrl::OnSelFilter)
1277 END_EVENT_TABLE()
1278
1279 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent,
1280                                  const wxWindowID id,
1281                                  const wxPoint& pos,
1282                                  const wxSize& size,
1283                                  long style)
1284 {
1285     m_dirCtrl = parent;
1286
1287     // by default our border style is determined by the style of our parent
1288     if ( !(style & wxBORDER_MASK) )
1289     {
1290         style |= parent->HasFlag(wxDIRCTRL_3D_INTERNAL) ? wxBORDER_SUNKEN
1291                                                         : wxBORDER_NONE;
1292     }
1293
1294     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1295 }
1296
1297 void wxDirFilterListCtrl::Init()
1298 {
1299     m_dirCtrl = NULL;
1300 }
1301
1302 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1303 {
1304     int sel = GetSelection();
1305
1306     wxString currentPath = m_dirCtrl->GetPath();
1307
1308     m_dirCtrl->SetFilterIndex(sel);
1309
1310     // If the filter has changed, the view is out of date, so
1311     // collapse the tree.
1312     m_dirCtrl->ReCreateTree();
1313
1314     // Try to restore the selection, or at least the directory
1315     m_dirCtrl->ExpandPath(currentPath);
1316 }
1317
1318 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1319 {
1320     Clear();
1321     wxArrayString descriptions, filters;
1322     size_t n = (size_t) wxParseCommonDialogsFilter(filter, descriptions, filters);
1323
1324     if (n > 0 && defaultFilter < (int) n)
1325     {
1326         for (size_t i = 0; i < n; i++)
1327             Append(descriptions[i]);
1328         SetSelection(defaultFilter);
1329     }
1330 }
1331 #endif // wxUSE_DIRDLG
1332
1333 #if wxUSE_DIRDLG || wxUSE_FILEDLG
1334
1335 // ----------------------------------------------------------------------------
1336 // wxFileIconsTable icons
1337 // ----------------------------------------------------------------------------
1338
1339 #ifndef __WXGTK20__
1340 /* Computer (c) Julian Smart */
1341 static const char * file_icons_tbl_computer_xpm[] = {
1342 /* columns rows colors chars-per-pixel */
1343 "16 16 42 1",
1344 "r c #4E7FD0",
1345 "$ c #7198D9",
1346 "; c #DCE6F6",
1347 "q c #FFFFFF",
1348 "u c #4A7CCE",
1349 "# c #779DDB",
1350 "w c #95B2E3",
1351 "y c #7FA2DD",
1352 "f c #3263B4",
1353 "= c #EAF0FA",
1354 "< c #B1C7EB",
1355 "% c #6992D7",
1356 "9 c #D9E4F5",
1357 "o c #9BB7E5",
1358 "6 c #F7F9FD",
1359 ", c #BED0EE",
1360 "3 c #F0F5FC",
1361 "1 c #A8C0E8",
1362 "  c None",
1363 "0 c #FDFEFF",
1364 "4 c #C4D5F0",
1365 "@ c #81A4DD",
1366 "e c #4377CD",
1367 "- c #E2EAF8",
1368 "i c #9FB9E5",
1369 "> c #CCDAF2",
1370 "+ c #89A9DF",
1371 "s c #5584D1",
1372 "t c #5D89D3",
1373 ": c #D2DFF4",
1374 "5 c #FAFCFE",
1375 "2 c #F5F8FD",
1376 "8 c #DFE8F7",
1377 "& c #5E8AD4",
1378 "X c #638ED5",
1379 "a c #CEDCF2",
1380 "p c #90AFE2",
1381 "d c #2F5DA9",
1382 "* c #5282D0",
1383 "7 c #E5EDF9",
1384 ". c #A2BCE6",
1385 "O c #8CACE0",
1386 /* pixels */
1387 "                ",
1388 "  .XXXXXXXXXXX  ",
1389 "  oXO++@#$%&*X  ",
1390 "  oX=-;:>,<1%X  ",
1391 "  oX23=-;:4,$X  ",
1392 "  oX5633789:@X  ",
1393 "  oX05623=78+X  ",
1394 "  oXqq05623=OX  ",
1395 "  oX,,,,,<<<$X  ",
1396 "  wXXXXXXXXXXe  ",
1397 "  XrtX%$$y@+O,, ",
1398 "  uyiiiiiiiii@< ",
1399 " ouiiiiiiiiiip<a",
1400 " rustX%$$y@+Ow,,",
1401 " dfffffffffffffd",
1402 "                "
1403 };
1404 #endif // !GTK+ 2
1405
1406 // ----------------------------------------------------------------------------
1407 // wxFileIconsTable & friends
1408 // ----------------------------------------------------------------------------
1409
1410 // global instance of a wxFileIconsTable
1411 wxFileIconsTable* wxTheFileIconsTable = (wxFileIconsTable *)NULL;
1412
1413 // A module to allow icons table cleanup
1414
1415 class wxFileIconsTableModule: public wxModule
1416 {
1417 DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
1418 public:
1419     wxFileIconsTableModule() {}
1420     bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return true; }
1421     void OnExit()
1422     {
1423         if (wxTheFileIconsTable)
1424         {
1425             delete wxTheFileIconsTable;
1426             wxTheFileIconsTable = NULL;
1427         }
1428     }
1429 };
1430
1431 IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
1432
1433 class wxFileIconEntry : public wxObject
1434 {
1435 public:
1436     wxFileIconEntry(int i) { id = i; }
1437
1438     int id;
1439 };
1440
1441 wxFileIconsTable::wxFileIconsTable()
1442 {
1443     m_HashTable = NULL;
1444     m_smallImageList = NULL;
1445 }
1446
1447 wxFileIconsTable::~wxFileIconsTable()
1448 {
1449     if (m_HashTable)
1450     {
1451         WX_CLEAR_HASH_TABLE(*m_HashTable);
1452         delete m_HashTable;
1453     }
1454     if (m_smallImageList) delete m_smallImageList;
1455 }
1456
1457 // delayed initialization - wait until first use (wxArtProv not created yet)
1458 void wxFileIconsTable::Create()
1459 {
1460     wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
1461     m_HashTable = new wxHashTable(wxKEY_STRING);
1462     m_smallImageList = new wxImageList(16, 16);
1463
1464     // folder:
1465     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER,
1466                                                    wxART_CMN_DIALOG,
1467                                                    wxSize(16, 16)));
1468     // folder_open
1469     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER_OPEN,
1470                                                    wxART_CMN_DIALOG,
1471                                                    wxSize(16, 16)));
1472     // computer
1473 #ifdef __WXGTK20__
1474     // GTK24 uses this icon in the file open dialog
1475     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1476                                                    wxART_CMN_DIALOG,
1477                                                    wxSize(16, 16)));
1478 #else
1479     m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
1480 #endif
1481     // drive
1482     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1483                                                    wxART_CMN_DIALOG,
1484                                                    wxSize(16, 16)));
1485     // cdrom
1486     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_CDROM,
1487                                                    wxART_CMN_DIALOG,
1488                                                    wxSize(16, 16)));
1489     // floppy
1490     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FLOPPY,
1491                                                    wxART_CMN_DIALOG,
1492                                                    wxSize(16, 16)));
1493     // removeable
1494     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_REMOVABLE,
1495                                                    wxART_CMN_DIALOG,
1496                                                    wxSize(16, 16)));
1497     // file
1498     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE,
1499                                                    wxART_CMN_DIALOG,
1500                                                    wxSize(16, 16)));
1501     // executable
1502     if (GetIconID(wxEmptyString, _T("application/x-executable")) == file)
1503     {
1504         m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE,
1505                                                        wxART_CMN_DIALOG,
1506                                                        wxSize(16, 16)));
1507         delete m_HashTable->Get(_T("exe"));
1508         m_HashTable->Delete(_T("exe"));
1509         m_HashTable->Put(_T("exe"), new wxFileIconEntry(executable));
1510     }
1511     /* else put into list by GetIconID
1512        (KDE defines application/x-executable for *.exe and has nice icon)
1513      */
1514 }
1515
1516 wxImageList *wxFileIconsTable::GetSmallImageList()
1517 {
1518     if (!m_smallImageList)
1519         Create();
1520
1521     return m_smallImageList;
1522 }
1523
1524 #if wxUSE_MIMETYPE && wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1525 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
1526 //     one icon and we won't resize it
1527
1528 static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
1529 {
1530     const unsigned int size = 16;
1531
1532     wxImage smallimg (size, size);
1533     unsigned char *p1, *p2, *ps;
1534     unsigned char mr = img.GetMaskRed(),
1535                   mg = img.GetMaskGreen(),
1536                   mb = img.GetMaskBlue();
1537
1538     unsigned x, y;
1539     unsigned sr, sg, sb, smask;
1540
1541     p1 = img.GetData(), p2 = img.GetData() + 3 * size*2, ps = smallimg.GetData();
1542     smallimg.SetMaskColour(mr, mr, mr);
1543
1544     for (y = 0; y < size; y++)
1545     {
1546         for (x = 0; x < size; x++)
1547         {
1548             sr = sg = sb = smask = 0;
1549             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1550                 sr += p1[0], sg += p1[1], sb += p1[2];
1551             else smask++;
1552             p1 += 3;
1553             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1554                 sr += p1[0], sg += p1[1], sb += p1[2];
1555             else smask++;
1556             p1 += 3;
1557             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1558                 sr += p2[0], sg += p2[1], sb += p2[2];
1559             else smask++;
1560             p2 += 3;
1561             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1562                 sr += p2[0], sg += p2[1], sb += p2[2];
1563             else smask++;
1564             p2 += 3;
1565
1566             if (smask > 2)
1567                 ps[0] = ps[1] = ps[2] = mr;
1568             else
1569             {
1570                 ps[0] = (unsigned char)(sr >> 2);
1571                 ps[1] = (unsigned char)(sg >> 2);
1572                 ps[2] = (unsigned char)(sb >> 2);
1573             }
1574             ps += 3;
1575         }
1576         p1 += size*2 * 3, p2 += size*2 * 3;
1577     }
1578
1579     return wxBitmap(smallimg);
1580 }
1581
1582 // This function is currently not unused anymore
1583 #if 0
1584 // finds empty borders and return non-empty area of image:
1585 static wxImage CutEmptyBorders(const wxImage& img)
1586 {
1587     unsigned char mr = img.GetMaskRed(),
1588                   mg = img.GetMaskGreen(),
1589                   mb = img.GetMaskBlue();
1590     unsigned char *dt = img.GetData(), *dttmp;
1591     unsigned w = img.GetWidth(), h = img.GetHeight();
1592
1593     unsigned top, bottom, left, right, i;
1594     bool empt;
1595
1596 #define MK_DTTMP(x,y)      dttmp = dt + ((x + y * w) * 3)
1597 #define NOEMPTY_PIX(empt)  if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = false; break;}
1598
1599     for (empt = true, top = 0; empt && top < h; top++)
1600     {
1601         MK_DTTMP(0, top);
1602         for (i = 0; i < w; i++, dttmp+=3)
1603             NOEMPTY_PIX(empt)
1604     }
1605     for (empt = true, bottom = h-1; empt && bottom > top; bottom--)
1606     {
1607         MK_DTTMP(0, bottom);
1608         for (i = 0; i < w; i++, dttmp+=3)
1609             NOEMPTY_PIX(empt)
1610     }
1611     for (empt = true, left = 0; empt && left < w; left++)
1612     {
1613         MK_DTTMP(left, 0);
1614         for (i = 0; i < h; i++, dttmp+=3*w)
1615             NOEMPTY_PIX(empt)
1616     }
1617     for (empt = true, right = w-1; empt && right > left; right--)
1618     {
1619         MK_DTTMP(right, 0);
1620         for (i = 0; i < h; i++, dttmp+=3*w)
1621             NOEMPTY_PIX(empt)
1622     }
1623     top--, left--, bottom++, right++;
1624
1625     return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
1626 }
1627 #endif // #if 0
1628
1629 #endif // wxUSE_MIMETYPE
1630
1631 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
1632 {
1633     if (!m_smallImageList)
1634         Create();
1635
1636 #if wxUSE_MIMETYPE
1637     if (!extension.empty())
1638     {
1639         wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
1640         if (entry) return (entry -> id);
1641     }
1642
1643     wxFileType *ft = (mime.empty()) ?
1644                    wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
1645                    wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
1646
1647     wxIconLocation iconLoc;
1648     wxIcon ic;
1649
1650     {
1651         wxLogNull logNull;
1652         if ( ft && ft->GetIcon(&iconLoc) )
1653         {
1654             ic = wxIcon( iconLoc );
1655         }
1656     }
1657
1658     delete ft;
1659
1660     if ( !ic.Ok() )
1661     {
1662         int newid = file;
1663         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1664         return newid;
1665     }
1666
1667     wxBitmap bmp;
1668     bmp.CopyFromIcon(ic);
1669
1670     if ( !bmp.Ok() )
1671     {
1672         int newid = file;
1673         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1674         return newid;
1675     }
1676
1677     const unsigned int size = 16;
1678
1679     int id = m_smallImageList->GetImageCount();
1680     if ((bmp.GetWidth() == (int) size) && (bmp.GetHeight() == (int) size))
1681     {
1682         m_smallImageList->Add(bmp);
1683     }
1684 #if wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1685     else
1686     {
1687         wxImage img = bmp.ConvertToImage();
1688
1689         if ((img.GetWidth() != size*2) || (img.GetHeight() != size*2))
1690 //            m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(size*2, size*2)));
1691             m_smallImageList->Add(CreateAntialiasedBitmap(img.Rescale(size*2, size*2)));
1692         else
1693             m_smallImageList->Add(CreateAntialiasedBitmap(img));
1694     }
1695 #endif // wxUSE_IMAGE
1696
1697     m_HashTable->Put(extension, new wxFileIconEntry(id));
1698     return id;
1699
1700 #else // !wxUSE_MIMETYPE
1701
1702     wxUnusedVar(mime);
1703     if (extension == wxT("exe"))
1704         return executable;
1705     else
1706         return file;
1707 #endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
1708 }
1709
1710 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG