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/filename.h"
  44 #include "wx/filefn.h"
  45 #include "wx/imaglist.h"
  46 #include "wx/tokenzr.h"
  47 #include "wx/dir.h"
  48 #include "wx/artprov.h"
  49 #include "wx/mimetype.h"
  50
  51 #if wxUSE_STATLINE
  52     #include "wx/statline.h"
  53 #endif
  54
  55 #if defined(__WXMAC__)
  56     #include  "wx/osx/private.h"  // includes mac headers
  57 #endif
  58
  59 #ifdef __WXMSW__
  60 #include <windows.h>
  61 #include "wx/msw/winundef.h"
  62 #include "wx/volume.h"
  63
  64 // FIXME - Mingw32 1.0 has both _getdrive() and _chdrive(). For now, let's assume
  65 //         older releases don't, but it should be verified and the checks modified
  66 //         accordingly.
  67 #if !defined(__GNUWIN32__) || (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
  68 #if !defined(__WXWINCE__)
  69     #include <direct.h>
  70 #endif
  71     #include <stdlib.h>
  72     #include <ctype.h>
  73 #endif
  74
  75 #endif
  76
  77 #if defined(__OS2__) || defined(__DOS__)
  78     #ifdef __OS2__
  79         #define INCL_BASE
  80         #include <os2.h>
  81         #ifndef __EMX__
  82             #include <direct.h>
  83         #endif
  84         #include <stdlib.h>
  85         #include <ctype.h>
  86     #endif
  87 #endif // __OS2__
  88
  89 #if defined(__WXMAC__)
  90 //    #include "MoreFilesX.h"
  91 #endif
  92
  93 #ifdef __BORLANDC__
  94     #include "dos.h"
  95 #endif
  96
  97 extern WXDLLEXPORT_DATA(const char) wxFileSelectorDefaultWildcardStr[];
  98
  99 // If compiled under Windows, this macro can cause problems
 100 #ifdef GetFirstChild
 101 #undef GetFirstChild
 102 #endif
 103
 104 bool wxIsDriveAvailable(const wxString& dirName);
 105
 106 // ----------------------------------------------------------------------------
 107 // wxGetAvailableDrives, for WINDOWS, DOS, OS2, MAC, UNIX (returns "/")
 108 // ----------------------------------------------------------------------------
 109
 110 size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayInt &icon_ids)
 111 {
 112 #ifdef wxHAS_FILESYSTEM_VOLUMES
 113
 114 #ifdef __WXWINCE__
 115     // No logical drives; return "\"
 116     paths.Add(wxT("\\"));
 117     names.Add(wxT("\\"));
 118     icon_ids.Add(wxFileIconsTable::computer);
 119 #elif defined(__WIN32__) && wxUSE_FSVOLUME
 120     // TODO: this code (using wxFSVolumeBase) should be used for all platforms
 121     //       but unfortunately wxFSVolumeBase is not implemented everywhere
 122     const wxArrayString as = wxFSVolumeBase::GetVolumes();
 123
 124     for (size_t i = 0; i < as.GetCount(); i++)
 125     {
 126         wxString path = as[i];
 127         wxFSVolume vol(path);
 128         int imageId;
 129         switch (vol.GetKind())
 130         {
 131             case wxFS_VOL_FLOPPY:
 132                 if ( (path == wxT("a:\\")) || (path == wxT("b:\\")) )
 133                     imageId = wxFileIconsTable::floppy;
 134                 else
 135                     imageId = wxFileIconsTable::removeable;
 136                 break;
 137             case wxFS_VOL_DVDROM:
 138             case wxFS_VOL_CDROM:
 139                 imageId = wxFileIconsTable::cdrom;
 140                 break;
 141             case wxFS_VOL_NETWORK:
 142                 if (path[0] == wxT('\\'))
 143                     continue; // skip "\\computer\folder"
 144                 imageId = wxFileIconsTable::drive;
 145                 break;
 146             case wxFS_VOL_DISK:
 147             case wxFS_VOL_OTHER:
 148             default:
 149                 imageId = wxFileIconsTable::drive;
 150                 break;
 151         }
 152         paths.Add(path);
 153         names.Add(vol.GetDisplayName());
 154         icon_ids.Add(imageId);
 155     }
 156 #elif defined(__OS2__)
 157     APIRET rc;
 158     ULONG ulDriveNum = 0;
 159     ULONG ulDriveMap = 0;
 160     rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
 161     if ( rc == 0)
 162     {
 163         size_t i = 0;
 164         while (i < 26)
 165         {
 166             if (ulDriveMap & ( 1 << i ))
 167             {
 168                 const wxString path = wxFileName::GetVolumeString(
 169                                         'A' + i, wxPATH_GET_SEPARATOR);
 170                 const wxString name = wxFileName::GetVolumeString(
 171                                         'A' + i, wxPATH_NO_SEPARATOR);
 172
 173                 // Note: If _filesys is unsupported by some compilers,
 174                 //       we can always replace it by DosQueryFSAttach
 175                 char filesysname[20];
 176 #ifdef __WATCOMC__
 177                 ULONG cbBuffer = sizeof(filesysname);
 178                 PFSQBUFFER2 pfsqBuffer = (PFSQBUFFER2)filesysname;
 179                 APIRET rc = ::DosQueryFSAttach(name.fn_str(),0,FSAIL_QUERYNAME,pfsqBuffer,&cbBuffer);
 180                 if (rc != NO_ERROR)
 181                 {
 182                     filesysname[0] = '\0';
 183                 }
 184 #else
 185                 _filesys(name.fn_str(), filesysname, sizeof(filesysname));
 186 #endif
 187                 /* FAT, LAN, HPFS, CDFS, NFS */
 188                 int imageId;
 189                 if (path == wxT("A:\\") || path == wxT("B:\\"))
 190                     imageId = wxFileIconsTable::floppy;
 191                 else if (!strcmp(filesysname, "CDFS"))
 192                     imageId = wxFileIconsTable::cdrom;
 193                 else if (!strcmp(filesysname, "LAN") ||
 194                          !strcmp(filesysname, "NFS"))
 195                     imageId = wxFileIconsTable::drive;
 196                 else
 197                     imageId = wxFileIconsTable::drive;
 198                 paths.Add(path);
 199                 names.Add(name);
 200                 icon_ids.Add(imageId);
 201             }
 202             i ++;
 203         }
 204     }
 205 #else // !__WIN32__, !__OS2__
 206     /* If we can switch to the drive, it exists. */
 207     for ( char drive = 'A'; drive <= 'Z'; drive++ )
 208     {
 209         const wxString
 210             path = wxFileName::GetVolumeString(drive, wxPATH_GET_SEPARATOR);
 211
 212         if (wxIsDriveAvailable(path))
 213         {
 214             paths.Add(path);
 215             names.Add(wxFileName::GetVolumeString(drive, wxPATH_NO_SEPARATOR));
 216             icon_ids.Add(drive <= 2 ? wxFileIconsTable::floppy
 217                                     : 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     wxFLAGS_MEMBER(wxDIRCTRL_MULTIPLE)
 476
 477 wxEND_FLAGS( wxGenericDirCtrlStyle )
 478
 479 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGenericDirCtrl, wxControl,"wx/dirctrl.h")
 480
 481 wxBEGIN_PROPERTIES_TABLE(wxGenericDirCtrl)
 482     wxHIDE_PROPERTY( Children )
 483     wxPROPERTY( DefaultPath , wxString , SetDefaultPath , GetDefaultPath  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 484     wxPROPERTY( Filter , wxString , SetFilter , GetFilter  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 485     wxPROPERTY( DefaultFilter , int , SetFilterIndex, GetFilterIndex, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 486     wxPROPERTY_FLAGS( WindowStyle, wxGenericDirCtrlStyle, long, SetWindowStyleFlag, GetWindowStyleFlag, EMPTY_MACROVALUE , 0, wxT("Helpstring"), wxT("group") )
 487 wxEND_PROPERTIES_TABLE()
 488
 489 wxBEGIN_HANDLERS_TABLE(wxGenericDirCtrl)
 490 wxEND_HANDLERS_TABLE()
 491
 492 wxCONSTRUCTOR_8( wxGenericDirCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , DefaultPath ,
 493                  wxPoint , Position , wxSize , Size , long , WindowStyle , wxString , Filter , int , DefaultFilter )
 494 #else
 495 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
 496 #endif
 497
 498 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
 499   EVT_TREE_ITEM_EXPANDING     (wxID_TREECTRL, wxGenericDirCtrl::OnExpandItem)
 500   EVT_TREE_ITEM_COLLAPSED     (wxID_TREECTRL, wxGenericDirCtrl::OnCollapseItem)
 501   EVT_TREE_BEGIN_LABEL_EDIT   (wxID_TREECTRL, wxGenericDirCtrl::OnBeginEditItem)
 502   EVT_TREE_END_LABEL_EDIT     (wxID_TREECTRL, wxGenericDirCtrl::OnEndEditItem)
 503   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 504 END_EVENT_TABLE()
 505
 506 wxGenericDirCtrl::wxGenericDirCtrl(void)
 507 {
 508     Init();
 509 }
 510
 511 void wxGenericDirCtrl::ExpandRoot()
 512 {
 513     ExpandDir(m_rootId); // automatically expand first level
 514
 515     // Expand and select the default path
 516     if (!m_defaultPath.empty())
 517     {
 518         ExpandPath(m_defaultPath);
 519     }
 520 #ifdef __UNIX__
 521     else
 522     {
 523         // On Unix, there's only one node under the (hidden) root node. It
 524         // represents the / path, so the user would always have to expand it;
 525         // let's do it ourselves
 526         ExpandPath( wxT("/") );
 527     }
 528 #endif
 529 }
 530
 531 bool wxGenericDirCtrl::Create(wxWindow *parent,
 532                               const wxWindowID id,
 533                               const wxString& dir,
 534                               const wxPoint& pos,
 535                               const wxSize& size,
 536                               long style,
 537                               const wxString& filter,
 538                               int defaultFilter,
 539                               const wxString& name)
 540 {
 541     if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
 542         return false;
 543
 544     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 545     SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
 546
 547     Init();
 548
 549     long treeStyle = wxTR_HAS_BUTTONS;
 550
 551     // On Windows CE, if you hide the root, you get a crash when
 552     // attempting to access data for children of the root item.
 553 #ifndef __WXWINCE__
 554     treeStyle |= wxTR_HIDE_ROOT;
 555 #endif
 556
 557 #ifdef __WXGTK20__
 558     treeStyle |= wxTR_NO_LINES;
 559 #endif
 560
 561     if (style & wxDIRCTRL_EDIT_LABELS)
 562         treeStyle |= wxTR_EDIT_LABELS;
 563
 564     if (style & wxDIRCTRL_MULTIPLE)
 565         treeStyle |= wxTR_MULTIPLE;
 566
 567     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 568         treeStyle |= wxNO_BORDER;
 569
 570     m_treeCtrl = CreateTreeCtrl(this, wxID_TREECTRL,
 571                                 wxPoint(0,0), GetClientSize(), treeStyle);
 572
 573     if (!filter.empty())
 574         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
 575
 576     m_defaultPath = dir;
 577     m_filter = filter;
 578
 579     if (m_filter.empty())
 580         m_filter = wxFileSelectorDefaultWildcardStr;
 581
 582     SetFilterIndex(defaultFilter);
 583
 584     if (m_filterListCtrl)
 585         m_filterListCtrl->FillFilterList(filter, defaultFilter);
 586
 587     m_treeCtrl->SetImageList(wxTheFileIconsTable->GetSmallImageList());
 588
 589     m_showHidden = false;
 590     wxDirItemData* rootData = new wxDirItemData(wxEmptyString, wxEmptyString, true);
 591
 592     wxString rootName;
 593
 594 #if defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__)
 595     rootName = _("Computer");
 596 #else
 597     rootName = _("Sections");
 598 #endif
 599
 600     m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
 601     m_treeCtrl->SetItemHasChildren(m_rootId);
 602
 603     ExpandRoot();
 604
 605     SetInitialSize(size);
 606     DoResize();
 607
 608     return true;
 609 }
 610
 611 wxGenericDirCtrl::~wxGenericDirCtrl()
 612 {
 613 }
 614
 615 void wxGenericDirCtrl::Init()
 616 {
 617     m_showHidden = false;
 618     m_currentFilter = 0;
 619     m_currentFilterStr = wxEmptyString; // Default: any file
 620     m_treeCtrl = NULL;
 621     m_filterListCtrl = NULL;
 622 }
 623
 624 wxTreeCtrl* wxGenericDirCtrl::CreateTreeCtrl(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long treeStyle)
 625 {
 626     return new wxTreeCtrl(parent, id, pos, size, treeStyle);
 627 }
 628
 629 void wxGenericDirCtrl::ShowHidden( bool show )
 630 {
 631     if ( m_showHidden == show )
 632         return;
 633
 634     m_showHidden = show;
 635
 636     if ( HasFlag(wxDIRCTRL_MULTIPLE) )
 637     {
 638         wxArrayString paths;
 639         GetPaths(paths);
 640         ReCreateTree();
 641         for ( unsigned n = 0; n < paths.size(); n++ )
 642         {
 643             ExpandPath(paths[n]);
 644         }
 645     }
 646     else
 647     {
 648         wxString path = GetPath();
 649         ReCreateTree();
 650         SetPath(path);
 651     }
 652 }
 653
 654 const wxTreeItemId
 655 wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
 656 {
 657     wxDirItemData *dir_item = new wxDirItemData(path,name,true);
 658
 659     wxTreeItemId id = AppendItem( m_rootId, name, imageId, -1, dir_item);
 660
 661     m_treeCtrl->SetItemHasChildren(id);
 662
 663     return id;
 664 }
 665
 666 void wxGenericDirCtrl::SetupSections()
 667 {
 668     wxArrayString paths, names;
 669     wxArrayInt icons;
 670
 671     size_t n, count = wxGetAvailableDrives(paths, names, icons);
 672
 673 #ifdef __WXGTK20__
 674     wxString home = wxGetHomeDir();
 675     AddSection( home, _("Home directory"), 1);
 676     home += wxT("/Desktop");
 677     AddSection( home, _("Desktop"), 1);
 678 #endif
 679
 680     for (n = 0; n < count; n++)
 681         AddSection(paths[n], names[n], icons[n]);
 682 }
 683
 684 void wxGenericDirCtrl::SetFocus()
 685 {
 686     // we don't need focus ourselves, give it to the tree so that the user
 687     // could navigate it
 688     if (m_treeCtrl)
 689         m_treeCtrl->SetFocus();
 690 }
 691
 692 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 693 {
 694     // don't rename the main entry "Sections"
 695     if (event.GetItem() == m_rootId)
 696     {
 697         event.Veto();
 698         return;
 699     }
 700
 701     // don't rename the individual sections
 702     if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
 703     {
 704         event.Veto();
 705         return;
 706     }
 707 }
 708
 709 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
 710 {
 711     if (event.IsEditCancelled())
 712         return;
 713
 714     if ((event.GetLabel().empty()) ||
 715         (event.GetLabel() == wxT(".")) ||
 716         (event.GetLabel() == wxT("..")) ||
 717         (event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
 718         (event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
 719         (event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
 720     {
 721         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 722         dialog.ShowModal();
 723         event.Veto();
 724         return;
 725     }
 726
 727     wxTreeItemId id = event.GetItem();
 728     wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
 729     wxASSERT( data );
 730
 731     wxString new_name( wxPathOnly( data->m_path ) );
 732     new_name += wxString(wxFILE_SEP_PATH);
 733     new_name += event.GetLabel();
 734
 735     wxLogNull log;
 736
 737     if (wxFileExists(new_name))
 738     {
 739         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 740         dialog.ShowModal();
 741         event.Veto();
 742     }
 743
 744     if (wxRenameFile(data->m_path,new_name))
 745     {
 746         data->SetNewDirName( new_name );
 747     }
 748     else
 749     {
 750         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 751         dialog.ShowModal();
 752         event.Veto();
 753     }
 754 }
 755
 756 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 757 {
 758     wxTreeItemId parentId = event.GetItem();
 759
 760     // VS: this is needed because the event handler is called from wxTreeCtrl
 761     //     ctor when wxTR_HIDE_ROOT was specified
 762
 763     if (!m_rootId.IsOk())
 764
 765         m_rootId = m_treeCtrl->GetRootItem();
 766
 767     ExpandDir(parentId);
 768     if ( m_treeCtrl->GetChildrenCount(parentId, false) == 0 )
 769     {
 770         m_treeCtrl->SetItemHasChildren(parentId, false);
 771     }
 772 }
 773
 774 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
 775 {
 776     CollapseDir(event.GetItem());
 777 }
 778
 779 void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
 780 {
 781     wxTreeItemId child;
 782
 783     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 784     if (!data->m_isExpanded)
 785         return;
 786
 787     data->m_isExpanded = false;
 788
 789     m_treeCtrl->Freeze();
 790     if (parentId != m_treeCtrl->GetRootItem())
 791         m_treeCtrl->CollapseAndReset(parentId);
 792     m_treeCtrl->DeleteChildren(parentId);
 793     m_treeCtrl->Thaw();
 794 }
 795
 796 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 797 {
 798     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 799
 800     if (data->m_isExpanded)
 801         return;
 802
 803     data->m_isExpanded = true;
 804
 805     if (parentId == m_treeCtrl->GetRootItem())
 806     {
 807         SetupSections();
 808         return;
 809     }
 810
 811     wxASSERT(data);
 812
 813     wxString search,path,filename;
 814
 815     wxString dirName(data->m_path);
 816
 817 #if (defined(__WINDOWS__) && !defined(__WXWINCE__)) || defined(__DOS__) || defined(__OS2__)
 818     // Check if this is a root directory and if so,
 819     // whether the drive is avaiable.
 820     if (!wxIsDriveAvailable(dirName))
 821     {
 822         data->m_isExpanded = false;
 823         //wxMessageBox(wxT("Sorry, this drive is not available."));
 824         return;
 825     }
 826 #endif
 827
 828     // This may take a longish time. Go to busy cursor
 829     wxBusyCursor busy;
 830
 831 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 832     if (dirName.Last() == ':')
 833         dirName += wxString(wxFILE_SEP_PATH);
 834 #endif
 835
 836     wxArrayString dirs;
 837     wxArrayString filenames;
 838
 839     wxDir d;
 840     wxString eachFilename;
 841
 842     wxLogNull log;
 843     d.Open(dirName);
 844
 845     if (d.IsOpened())
 846     {
 847         int style = wxDIR_DIRS;
 848         if (m_showHidden) style |= wxDIR_HIDDEN;
 849         if (d.GetFirst(& eachFilename, wxEmptyString, style))
 850         {
 851             do
 852             {
 853                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 854                 {
 855                     dirs.Add(eachFilename);
 856                 }
 857             }
 858             while (d.GetNext(&eachFilename));
 859         }
 860     }
 861     dirs.Sort(wxDirCtrlStringCompareFunction);
 862
 863     // Now do the filenames -- but only if we're allowed to
 864     if (!HasFlag(wxDIRCTRL_DIR_ONLY))
 865     {
 866         d.Open(dirName);
 867
 868         if (d.IsOpened())
 869         {
 870             int style = wxDIR_FILES;
 871             if (m_showHidden) style |= wxDIR_HIDDEN;
 872             // Process each filter (ex: "JPEG Files (*.jpg;*.jpeg)|*.jpg;*.jpeg")
 873             wxStringTokenizer strTok;
 874             wxString curFilter;
 875             strTok.SetString(m_currentFilterStr,wxT(";"));
 876             while(strTok.HasMoreTokens())
 877             {
 878                 curFilter = strTok.GetNextToken();
 879                 if (d.GetFirst(& eachFilename, curFilter, style))
 880                 {
 881                     do
 882                     {
 883                         if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 884                         {
 885                             filenames.Add(eachFilename);
 886                         }
 887                     }
 888                     while (d.GetNext(& eachFilename));
 889                 }
 890             }
 891         }
 892         filenames.Sort(wxDirCtrlStringCompareFunction);
 893     }
 894
 895     // Add the sorted dirs
 896     size_t i;
 897     for (i = 0; i < dirs.GetCount(); i++)
 898     {
 899         eachFilename = dirs[i];
 900         path = dirName;
 901         if (!wxEndsWithPathSeparator(path))
 902             path += wxString(wxFILE_SEP_PATH);
 903         path += eachFilename;
 904
 905         wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,true);
 906         wxTreeItemId id = AppendItem( parentId, eachFilename,
 907                                       wxFileIconsTable::folder, -1, dir_item);
 908         m_treeCtrl->SetItemImage( id, wxFileIconsTable::folder_open,
 909                                   wxTreeItemIcon_Expanded );
 910
 911         // assume that it does have children by default as it can take a long
 912         // time to really check for this (think remote drives...)
 913         //
 914         // and if we're wrong, we'll correct it later in OnExpandItem() if
 915         // the user really tries to open this item
 916         m_treeCtrl->SetItemHasChildren(id);
 917     }
 918
 919     // Add the sorted filenames
 920     if (!HasFlag(wxDIRCTRL_DIR_ONLY))
 921     {
 922         for (i = 0; i < filenames.GetCount(); i++)
 923         {
 924             eachFilename = filenames[i];
 925             path = dirName;
 926             if (!wxEndsWithPathSeparator(path))
 927                 path += wxString(wxFILE_SEP_PATH);
 928             path += eachFilename;
 929             //path = dirName + wxString(wxT("/")) + eachFilename;
 930             wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,false);
 931             int image_id = wxFileIconsTable::file;
 932             if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
 933                 image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
 934             (void) AppendItem( parentId, eachFilename, image_id, -1, dir_item);
 935         }
 936     }
 937 }
 938
 939 void wxGenericDirCtrl::ReCreateTree()
 940 {
 941     CollapseDir(m_treeCtrl->GetRootItem());
 942     ExpandRoot();
 943 }
 944
 945 void wxGenericDirCtrl::CollapseTree()
 946 {
 947     wxTreeItemIdValue cookie;
 948     wxTreeItemId child = m_treeCtrl->GetFirstChild(m_rootId, cookie);
 949     while (child.IsOk())
 950     {
 951         CollapseDir(child);
 952         child = m_treeCtrl->GetNextChild(m_rootId, cookie);
 953     }
 954 }
 955
 956 // Find the child that matches the first part of 'path'.
 957 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
 958 // then the child for /usr is returned.
 959 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
 960 {
 961     wxString path2(path);
 962
 963     // Make sure all separators are as per the current platform
 964     path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
 965     path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
 966
 967     // Append a separator to foil bogus substring matching
 968     path2 += wxString(wxFILE_SEP_PATH);
 969
 970     // In MSW or PM, case is not significant
 971 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 972     path2.MakeLower();
 973 #endif
 974
 975     wxTreeItemIdValue cookie;
 976     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
 977     while (childId.IsOk())
 978     {
 979         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 980
 981         if (data && !data->m_path.empty())
 982         {
 983             wxString childPath(data->m_path);
 984             if (!wxEndsWithPathSeparator(childPath))
 985                 childPath += wxString(wxFILE_SEP_PATH);
 986
 987             // In MSW and PM, case is not significant
 988 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 989             childPath.MakeLower();
 990 #endif
 991
 992             if (childPath.length() <= path2.length())
 993             {
 994                 wxString path3 = path2.Mid(0, childPath.length());
 995                 if (childPath == path3)
 996                 {
 997                     if (path3.length() == path2.length())
 998                         done = true;
 999                     else
1000                         done = false;
1001                     return childId;
1002                 }
1003             }
1004         }
1005
1006         childId = m_treeCtrl->GetNextChild(parentId, cookie);
1007     }
1008     wxTreeItemId invalid;
1009     return invalid;
1010 }
1011
1012 // Try to expand as much of the given path as possible,
1013 // and select the given tree item.
1014 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
1015 {
1016     bool done = false;
1017     wxTreeItemId id = FindChild(m_rootId, path, done);
1018     wxTreeItemId lastId = id; // The last non-zero id
1019     while (id.IsOk() && !done)
1020     {
1021         ExpandDir(id);
1022
1023         id = FindChild(id, path, done);
1024         if (id.IsOk())
1025             lastId = id;
1026     }
1027     if (!lastId.IsOk())
1028         return false;
1029
1030     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
1031     if (data->m_isDir)
1032     {
1033         m_treeCtrl->Expand(lastId);
1034     }
1035     if (HasFlag(wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
1036     {
1037         // Find the first file in this directory
1038         wxTreeItemIdValue cookie;
1039         wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
1040         bool selectedChild = false;
1041         while (childId.IsOk())
1042         {
1043             data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
1044
1045             if (data && data->m_path != wxEmptyString && !data->m_isDir)
1046             {
1047                 m_treeCtrl->SelectItem(childId);
1048                 m_treeCtrl->EnsureVisible(childId);
1049                 selectedChild = true;
1050                 break;
1051             }
1052             childId = m_treeCtrl->GetNextChild(lastId, cookie);
1053         }
1054         if (!selectedChild)
1055         {
1056             m_treeCtrl->SelectItem(lastId);
1057             m_treeCtrl->EnsureVisible(lastId);
1058         }
1059     }
1060     else
1061     {
1062         m_treeCtrl->SelectItem(lastId);
1063         m_treeCtrl->EnsureVisible(lastId);
1064     }
1065
1066     return true;
1067 }
1068
1069
1070 bool wxGenericDirCtrl::CollapsePath(const wxString& path)
1071 {
1072     bool done           = false;
1073     wxTreeItemId id     = FindChild(m_rootId, path, done);
1074     wxTreeItemId lastId = id; // The last non-zero id
1075
1076     while ( id.IsOk() && !done )
1077     {
1078         CollapseDir(id);
1079
1080         id = FindChild(id, path, done);
1081
1082         if ( id.IsOk() )
1083             lastId = id;
1084     }
1085
1086     if ( !lastId.IsOk() )
1087         return false;
1088
1089     m_treeCtrl->SelectItem(lastId);
1090     m_treeCtrl->EnsureVisible(lastId);
1091
1092     return true;
1093 }
1094
1095
1096 wxString wxGenericDirCtrl::GetPath() const
1097 {
1098     // Allow calling GetPath() in multiple selection from OnSelFilter
1099     if (m_treeCtrl->HasFlag(wxTR_MULTIPLE))
1100     {
1101         wxArrayTreeItemIds items;
1102         m_treeCtrl->GetSelections(items);
1103         if (items.size() > 0)
1104         {
1105             // return first string only
1106             wxTreeItemId id = items[0];
1107             wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1108             return data->m_path;
1109         }
1110
1111         return wxEmptyString;
1112     }
1113
1114     wxTreeItemId id = m_treeCtrl->GetSelection();
1115     if (id)
1116     {
1117         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1118         return data->m_path;
1119     }
1120     else
1121         return wxEmptyString;
1122 }
1123
1124 void wxGenericDirCtrl::GetPaths(wxArrayString& paths) const
1125 {
1126     paths.clear();
1127
1128     wxArrayTreeItemIds items;
1129     m_treeCtrl->GetSelections(items);
1130     for ( unsigned n = 0; n < items.size(); n++ )
1131     {
1132         wxTreeItemId id = items[n];
1133         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1134         paths.Add(data->m_path);
1135     }
1136 }
1137
1138 wxString wxGenericDirCtrl::GetFilePath() const
1139 {
1140     wxTreeItemId id = m_treeCtrl->GetSelection();
1141     if (id)
1142     {
1143         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1144         if (data->m_isDir)
1145             return wxEmptyString;
1146         else
1147             return data->m_path;
1148     }
1149     else
1150         return wxEmptyString;
1151 }
1152
1153 void wxGenericDirCtrl::GetFilePaths(wxArrayString& paths) const
1154 {
1155     paths.clear();
1156
1157     wxArrayTreeItemIds items;
1158     m_treeCtrl->GetSelections(items);
1159     for ( unsigned n = 0; n < items.size(); n++ )
1160     {
1161         wxTreeItemId id = items[n];
1162         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1163         if ( !data->m_isDir )
1164             paths.Add(data->m_path);
1165     }
1166 }
1167
1168 void wxGenericDirCtrl::SetPath(const wxString& path)
1169 {
1170     m_defaultPath = path;
1171     if (m_rootId)
1172         ExpandPath(path);
1173 }
1174
1175 void wxGenericDirCtrl::SelectPath(const wxString& path, bool select)
1176 {
1177     bool done = false;
1178     wxTreeItemId id = FindChild(m_rootId, path, done);
1179     wxTreeItemId lastId = id; // The last non-zero id
1180     while ( id.IsOk() && !done )
1181     {
1182         id = FindChild(id, path, done);
1183         if ( id.IsOk() )
1184             lastId = id;
1185     }
1186     if ( !lastId.IsOk() )
1187         return;
1188
1189     if ( done )
1190     {
1191         m_treeCtrl->SelectItem(id, select);
1192     }
1193 }
1194
1195 void wxGenericDirCtrl::SelectPaths(const wxArrayString& paths)
1196 {
1197     if ( HasFlag(wxDIRCTRL_MULTIPLE) )
1198     {
1199         UnselectAll();
1200         for ( unsigned n = 0; n < paths.size(); n++ )
1201         {
1202             SelectPath(paths[n]);
1203         }
1204     }
1205 }
1206
1207 void wxGenericDirCtrl::UnselectAll()
1208 {
1209     m_treeCtrl->UnselectAll();
1210 }
1211
1212 // Not used
1213 #if 0
1214 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1215 {
1216     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1217
1218     // This may take a longish time. Go to busy cursor
1219     wxBusyCursor busy;
1220
1221     wxASSERT(data);
1222
1223     wxString search,path,filename;
1224
1225     wxString dirName(data->m_path);
1226
1227 #if defined(__WXMSW__) || defined(__OS2__)
1228     if (dirName.Last() == ':')
1229         dirName += wxString(wxFILE_SEP_PATH);
1230 #endif
1231
1232     wxDir d;
1233     wxString eachFilename;
1234
1235     wxLogNull log;
1236     d.Open(dirName);
1237
1238     if (d.IsOpened())
1239     {
1240         if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1241         {
1242             do
1243             {
1244                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1245                 {
1246                     filenames.Add(eachFilename);
1247                 }
1248             }
1249             while (d.GetNext(& eachFilename)) ;
1250         }
1251     }
1252 }
1253 #endif
1254
1255 void wxGenericDirCtrl::SetFilterIndex(int n)
1256 {
1257     m_currentFilter = n;
1258
1259     wxString f, d;
1260     if (ExtractWildcard(m_filter, n, f, d))
1261         m_currentFilterStr = f;
1262     else
1263 #ifdef __UNIX__
1264         m_currentFilterStr = wxT("*");
1265 #else
1266         m_currentFilterStr = wxT("*.*");
1267 #endif
1268 }
1269
1270 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1271 {
1272     m_filter = filter;
1273
1274     if (!filter.empty() && !m_filterListCtrl)
1275         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
1276     else if (filter.empty() && m_filterListCtrl)
1277     {
1278         m_filterListCtrl->Destroy();
1279         m_filterListCtrl = NULL;
1280     }
1281
1282     wxString f, d;
1283     if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1284         m_currentFilterStr = f;
1285     else
1286 #ifdef __UNIX__
1287         m_currentFilterStr = wxT("*");
1288 #else
1289         m_currentFilterStr = wxT("*.*");
1290 #endif
1291     // current filter index is meaningless after filter change, set it to zero
1292     SetFilterIndex(0);
1293     if (m_filterListCtrl)
1294         m_filterListCtrl->FillFilterList(m_filter, 0);
1295 }
1296
1297 // Extract description and actual filter from overall filter string
1298 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1299 {
1300     wxArrayString filters, descriptions;
1301     int count = wxParseCommonDialogsFilter(filterStr, descriptions, filters);
1302     if (count > 0 && n < count)
1303     {
1304         filter = filters[n];
1305         description = descriptions[n];
1306         return true;
1307     }
1308
1309     return false;
1310 }
1311
1312
1313 void wxGenericDirCtrl::DoResize()
1314 {
1315     wxSize sz = GetClientSize();
1316     int verticalSpacing = 3;
1317     if (m_treeCtrl)
1318     {
1319         wxSize filterSz ;
1320         if (m_filterListCtrl)
1321         {
1322             filterSz = m_filterListCtrl->GetSize();
1323             sz.y -= (filterSz.y + verticalSpacing);
1324         }
1325         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1326         if (m_filterListCtrl)
1327         {
1328             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1329             // Don't know why, but this needs refreshing after a resize (wxMSW)
1330             m_filterListCtrl->Refresh();
1331         }
1332     }
1333 }
1334
1335
1336 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1337 {
1338     DoResize();
1339 }
1340
1341 wxTreeItemId wxGenericDirCtrl::AppendItem (const wxTreeItemId & parent,
1342                                            const wxString & text,
1343                                            int image, int selectedImage,
1344                                            wxTreeItemData * data)
1345 {
1346   wxTreeCtrl *treeCtrl = GetTreeCtrl ();
1347
1348   wxASSERT (treeCtrl);
1349
1350   if (treeCtrl)
1351   {
1352     return treeCtrl->AppendItem (parent, text, image, selectedImage, data);
1353   }
1354   else
1355   {
1356     return wxTreeItemId();
1357   }
1358 }
1359
1360
1361 //-----------------------------------------------------------------------------
1362 // wxDirFilterListCtrl
1363 //-----------------------------------------------------------------------------
1364
1365 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1366
1367 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1368     EVT_CHOICE(wxID_ANY, wxDirFilterListCtrl::OnSelFilter)
1369 END_EVENT_TABLE()
1370
1371 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent,
1372                                  const wxWindowID id,
1373                                  const wxPoint& pos,
1374                                  const wxSize& size,
1375                                  long style)
1376 {
1377     m_dirCtrl = parent;
1378
1379     // by default our border style is determined by the style of our parent
1380     if ( !(style & wxBORDER_MASK) )
1381     {
1382         style |= parent->HasFlag(wxDIRCTRL_3D_INTERNAL) ? wxBORDER_SUNKEN
1383                                                         : wxBORDER_NONE;
1384     }
1385
1386     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1387 }
1388
1389 void wxDirFilterListCtrl::Init()
1390 {
1391     m_dirCtrl = NULL;
1392 }
1393
1394 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1395 {
1396     int sel = GetSelection();
1397
1398     if (m_dirCtrl->HasFlag(wxDIRCTRL_MULTIPLE))
1399     {
1400         wxArrayString paths;
1401         m_dirCtrl->GetPaths(paths);
1402
1403         m_dirCtrl->SetFilterIndex(sel);
1404
1405         // If the filter has changed, the view is out of date, so
1406         // collapse the tree.
1407         m_dirCtrl->ReCreateTree();
1408
1409         // Expand and select the previously selected paths
1410         for (unsigned int i = 0; i < paths.GetCount(); i++)
1411         {
1412             m_dirCtrl->ExpandPath(paths.Item(i));
1413         }
1414     }
1415     else
1416     {
1417         wxString currentPath = m_dirCtrl->GetPath();
1418
1419         m_dirCtrl->SetFilterIndex(sel);
1420         m_dirCtrl->ReCreateTree();
1421
1422         // Try to restore the selection, or at least the directory
1423         m_dirCtrl->ExpandPath(currentPath);
1424     }
1425 }
1426
1427 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1428 {
1429     Clear();
1430     wxArrayString descriptions, filters;
1431     size_t n = (size_t) wxParseCommonDialogsFilter(filter, descriptions, filters);
1432
1433     if (n > 0 && defaultFilter < (int) n)
1434     {
1435         for (size_t i = 0; i < n; i++)
1436             Append(descriptions[i]);
1437         SetSelection(defaultFilter);
1438     }
1439 }
1440 #endif // wxUSE_DIRDLG
1441
1442 #if wxUSE_DIRDLG || wxUSE_FILEDLG
1443
1444 // ----------------------------------------------------------------------------
1445 // wxFileIconsTable icons
1446 // ----------------------------------------------------------------------------
1447
1448 #ifndef __WXGTK20__
1449 /* Computer (c) Julian Smart */
1450 static const char* const file_icons_tbl_computer_xpm[] = {
1451 /* columns rows colors chars-per-pixel */
1452 "16 16 42 1",
1453 "r c #4E7FD0",
1454 "$ c #7198D9",
1455 "; c #DCE6F6",
1456 "q c #FFFFFF",
1457 "u c #4A7CCE",
1458 "# c #779DDB",
1459 "w c #95B2E3",
1460 "y c #7FA2DD",
1461 "f c #3263B4",
1462 "= c #EAF0FA",
1463 "< c #B1C7EB",
1464 "% c #6992D7",
1465 "9 c #D9E4F5",
1466 "o c #9BB7E5",
1467 "6 c #F7F9FD",
1468 ", c #BED0EE",
1469 "3 c #F0F5FC",
1470 "1 c #A8C0E8",
1471 "  c None",
1472 "0 c #FDFEFF",
1473 "4 c #C4D5F0",
1474 "@ c #81A4DD",
1475 "e c #4377CD",
1476 "- c #E2EAF8",
1477 "i c #9FB9E5",
1478 "> c #CCDAF2",
1479 "+ c #89A9DF",
1480 "s c #5584D1",
1481 "t c #5D89D3",
1482 ": c #D2DFF4",
1483 "5 c #FAFCFE",
1484 "2 c #F5F8FD",
1485 "8 c #DFE8F7",
1486 "& c #5E8AD4",
1487 "X c #638ED5",
1488 "a c #CEDCF2",
1489 "p c #90AFE2",
1490 "d c #2F5DA9",
1491 "* c #5282D0",
1492 "7 c #E5EDF9",
1493 ". c #A2BCE6",
1494 "O c #8CACE0",
1495 /* pixels */
1496 "                ",
1497 "  .XXXXXXXXXXX  ",
1498 "  oXO++@#$%&*X  ",
1499 "  oX=-;:>,<1%X  ",
1500 "  oX23=-;:4,$X  ",
1501 "  oX5633789:@X  ",
1502 "  oX05623=78+X  ",
1503 "  oXqq05623=OX  ",
1504 "  oX,,,,,<<<$X  ",
1505 "  wXXXXXXXXXXe  ",
1506 "  XrtX%$$y@+O,, ",
1507 "  uyiiiiiiiii@< ",
1508 " ouiiiiiiiiiip<a",
1509 " rustX%$$y@+Ow,,",
1510 " dfffffffffffffd",
1511 "                "
1512 };
1513 #endif // !GTK+ 2
1514
1515 // ----------------------------------------------------------------------------
1516 // wxFileIconsTable & friends
1517 // ----------------------------------------------------------------------------
1518
1519 // global instance of a wxFileIconsTable
1520 wxFileIconsTable* wxTheFileIconsTable = NULL;
1521
1522 // A module to allow icons table cleanup
1523
1524 class wxFileIconsTableModule: public wxModule
1525 {
1526 DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
1527 public:
1528     wxFileIconsTableModule() {}
1529     bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return true; }
1530     void OnExit()
1531     {
1532         wxDELETE(wxTheFileIconsTable);
1533     }
1534 };
1535
1536 IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
1537
1538 class wxFileIconEntry : public wxObject
1539 {
1540 public:
1541     wxFileIconEntry(int i) { id = i; }
1542
1543     int id;
1544 };
1545
1546 wxFileIconsTable::wxFileIconsTable()
1547 {
1548     m_HashTable = NULL;
1549     m_smallImageList = NULL;
1550 }
1551
1552 wxFileIconsTable::~wxFileIconsTable()
1553 {
1554     if (m_HashTable)
1555     {
1556         WX_CLEAR_HASH_TABLE(*m_HashTable);
1557         delete m_HashTable;
1558     }
1559     if (m_smallImageList) delete m_smallImageList;
1560 }
1561
1562 // delayed initialization - wait until first use (wxArtProv not created yet)
1563 void wxFileIconsTable::Create()
1564 {
1565     wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
1566     m_HashTable = new wxHashTable(wxKEY_STRING);
1567     m_smallImageList = new wxImageList(16, 16);
1568
1569     // folder:
1570     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER,
1571                                                    wxART_CMN_DIALOG,
1572                                                    wxSize(16, 16)));
1573     // folder_open
1574     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER_OPEN,
1575                                                    wxART_CMN_DIALOG,
1576                                                    wxSize(16, 16)));
1577     // computer
1578 #ifdef __WXGTK20__
1579     // GTK24 uses this icon in the file open dialog
1580     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1581                                                    wxART_CMN_DIALOG,
1582                                                    wxSize(16, 16)));
1583 #else
1584     m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
1585 #endif
1586     // drive
1587     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1588                                                    wxART_CMN_DIALOG,
1589                                                    wxSize(16, 16)));
1590     // cdrom
1591     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_CDROM,
1592                                                    wxART_CMN_DIALOG,
1593                                                    wxSize(16, 16)));
1594     // floppy
1595     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FLOPPY,
1596                                                    wxART_CMN_DIALOG,
1597                                                    wxSize(16, 16)));
1598     // removeable
1599     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_REMOVABLE,
1600                                                    wxART_CMN_DIALOG,
1601                                                    wxSize(16, 16)));
1602     // file
1603     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE,
1604                                                    wxART_CMN_DIALOG,
1605                                                    wxSize(16, 16)));
1606     // executable
1607     if (GetIconID(wxEmptyString, wxT("application/x-executable")) == file)
1608     {
1609         m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE,
1610                                                        wxART_CMN_DIALOG,
1611                                                        wxSize(16, 16)));
1612         delete m_HashTable->Get(wxT("exe"));
1613         m_HashTable->Delete(wxT("exe"));
1614         m_HashTable->Put(wxT("exe"), new wxFileIconEntry(executable));
1615     }
1616     /* else put into list by GetIconID
1617        (KDE defines application/x-executable for *.exe and has nice icon)
1618      */
1619 }
1620
1621 wxImageList *wxFileIconsTable::GetSmallImageList()
1622 {
1623     if (!m_smallImageList)
1624         Create();
1625
1626     return m_smallImageList;
1627 }
1628
1629 #if wxUSE_MIMETYPE && wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1630 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
1631 //     one icon and we won't resize it
1632
1633 static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
1634 {
1635     const unsigned int size = 16;
1636
1637     wxImage smallimg (size, size);
1638     unsigned char *p1, *p2, *ps;
1639     unsigned char mr = img.GetMaskRed(),
1640                   mg = img.GetMaskGreen(),
1641                   mb = img.GetMaskBlue();
1642
1643     unsigned x, y;
1644     unsigned sr, sg, sb, smask;
1645
1646     p1 = img.GetData(), p2 = img.GetData() + 3 * size*2, ps = smallimg.GetData();
1647     smallimg.SetMaskColour(mr, mr, mr);
1648
1649     for (y = 0; y < size; y++)
1650     {
1651         for (x = 0; x < size; x++)
1652         {
1653             sr = sg = sb = smask = 0;
1654             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1655                 sr += p1[0], sg += p1[1], sb += p1[2];
1656             else smask++;
1657             p1 += 3;
1658             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1659                 sr += p1[0], sg += p1[1], sb += p1[2];
1660             else smask++;
1661             p1 += 3;
1662             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1663                 sr += p2[0], sg += p2[1], sb += p2[2];
1664             else smask++;
1665             p2 += 3;
1666             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1667                 sr += p2[0], sg += p2[1], sb += p2[2];
1668             else smask++;
1669             p2 += 3;
1670
1671             if (smask > 2)
1672                 ps[0] = ps[1] = ps[2] = mr;
1673             else
1674             {
1675                 ps[0] = (unsigned char)(sr >> 2);
1676                 ps[1] = (unsigned char)(sg >> 2);
1677                 ps[2] = (unsigned char)(sb >> 2);
1678             }
1679             ps += 3;
1680         }
1681         p1 += size*2 * 3, p2 += size*2 * 3;
1682     }
1683
1684     return wxBitmap(smallimg);
1685 }
1686
1687 // This function is currently not unused anymore
1688 #if 0
1689 // finds empty borders and return non-empty area of image:
1690 static wxImage CutEmptyBorders(const wxImage& img)
1691 {
1692     unsigned char mr = img.GetMaskRed(),
1693                   mg = img.GetMaskGreen(),
1694                   mb = img.GetMaskBlue();
1695     unsigned char *dt = img.GetData(), *dttmp;
1696     unsigned w = img.GetWidth(), h = img.GetHeight();
1697
1698     unsigned top, bottom, left, right, i;
1699     bool empt;
1700
1701 #define MK_DTTMP(x,y)      dttmp = dt + ((x + y * w) * 3)
1702 #define NOEMPTY_PIX(empt)  if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = false; break;}
1703
1704     for (empt = true, top = 0; empt && top < h; top++)
1705     {
1706         MK_DTTMP(0, top);
1707         for (i = 0; i < w; i++, dttmp+=3)
1708             NOEMPTY_PIX(empt)
1709     }
1710     for (empt = true, bottom = h-1; empt && bottom > top; bottom--)
1711     {
1712         MK_DTTMP(0, bottom);
1713         for (i = 0; i < w; i++, dttmp+=3)
1714             NOEMPTY_PIX(empt)
1715     }
1716     for (empt = true, left = 0; empt && left < w; left++)
1717     {
1718         MK_DTTMP(left, 0);
1719         for (i = 0; i < h; i++, dttmp+=3*w)
1720             NOEMPTY_PIX(empt)
1721     }
1722     for (empt = true, right = w-1; empt && right > left; right--)
1723     {
1724         MK_DTTMP(right, 0);
1725         for (i = 0; i < h; i++, dttmp+=3*w)
1726             NOEMPTY_PIX(empt)
1727     }
1728     top--, left--, bottom++, right++;
1729
1730     return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
1731 }
1732 #endif // #if 0
1733
1734 #endif // wxUSE_MIMETYPE
1735
1736 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
1737 {
1738     if (!m_smallImageList)
1739         Create();
1740
1741 #if wxUSE_MIMETYPE
1742     if (!extension.empty())
1743     {
1744         wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
1745         if (entry) return (entry -> id);
1746     }
1747
1748     wxFileType *ft = (mime.empty()) ?
1749                    wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
1750                    wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
1751
1752     wxIconLocation iconLoc;
1753     wxIcon ic;
1754
1755     {
1756         wxLogNull logNull;
1757         if ( ft && ft->GetIcon(&iconLoc) )
1758         {
1759             ic = wxIcon( iconLoc );
1760         }
1761     }
1762
1763     delete ft;
1764
1765     if ( !ic.Ok() )
1766     {
1767         int newid = file;
1768         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1769         return newid;
1770     }
1771
1772     wxBitmap bmp;
1773     bmp.CopyFromIcon(ic);
1774
1775     if ( !bmp.Ok() )
1776     {
1777         int newid = file;
1778         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1779         return newid;
1780     }
1781
1782     const unsigned int size = 16;
1783
1784     int id = m_smallImageList->GetImageCount();
1785     if ((bmp.GetWidth() == (int) size) && (bmp.GetHeight() == (int) size))
1786     {
1787         m_smallImageList->Add(bmp);
1788     }
1789 #if wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1790     else
1791     {
1792         wxImage img = bmp.ConvertToImage();
1793
1794         if ((img.GetWidth() != size*2) || (img.GetHeight() != size*2))
1795 //            m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(size*2, size*2)));
1796             m_smallImageList->Add(CreateAntialiasedBitmap(img.Rescale(size*2, size*2)));
1797         else
1798             m_smallImageList->Add(CreateAntialiasedBitmap(img));
1799     }
1800 #endif // wxUSE_IMAGE
1801
1802     m_HashTable->Put(extension, new wxFileIconEntry(id));
1803     return id;
1804
1805 #else // !wxUSE_MIMETYPE
1806
1807     wxUnusedVar(mime);
1808     if (extension == wxT("exe"))
1809         return executable;
1810     else
1811         return file;
1812 #endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
1813 }
1814
1815 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG