src/generic/dirctrlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/dirctrlg.cpp
   3 // Purpose:     wxGenericDirCtrl
   4 // Author:      Harm van der Heijden, Robert Roebling, Julian Smart
   5 // Modified by:
   6 // Created:     12/12/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Harm van der Heijden, Robert Roebling and Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_DIRDLG || wxUSE_FILEDLG
  20
  21 #include "wx/generic/dirctrlg.h"
  22 #include "wx/module.h"
  23 #include "wx/utils.h"
  24 #include "wx/button.h"
  25 #include "wx/layout.h"
  26 #include "wx/msgdlg.h"
  27 #include "wx/textctrl.h"
  28 #include "wx/textdlg.h"
  29 #include "wx/filefn.h"
  30 #include "wx/cmndata.h"
  31 #include "wx/gdicmn.h"
  32 #include "wx/intl.h"
  33 #include "wx/imaglist.h"
  34 #include "wx/icon.h"
  35 #include "wx/log.h"
  36 #include "wx/sizer.h"
  37 #include "wx/tokenzr.h"
  38 #include "wx/dir.h"
  39 #include "wx/settings.h"
  40 #include "wx/artprov.h"
  41 #include "wx/hash.h"
  42 #include "wx/mimetype.h"
  43 #include "wx/image.h"
  44 #include "wx/choice.h"
  45
  46 #if wxUSE_STATLINE
  47     #include "wx/statline.h"
  48 #endif
  49
  50 #if defined(__WXMAC__)
  51   #include  "wx/mac/private.h"  // includes mac headers
  52 #endif
  53
  54 #ifdef __WXMSW__
  55 #include <windows.h>
  56 #include "wx/msw/winundef.h"
  57
  58 // FIXME - Mingw32 1.0 has both _getdrive() and _chdrive(). For now, let's assume
  59 //         older releases don't, but it should be verified and the checks modified
  60 //         accordingly.
  61 #if !defined(__GNUWIN32__) || (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
  62 #if !defined(__WXWINCE__)
  63   #include <direct.h>
  64 #endif
  65   #include <stdlib.h>
  66   #include <ctype.h>
  67 #endif
  68
  69 #endif
  70
  71 #if defined(__OS2__) || defined(__DOS__)
  72   #ifdef __OS2__
  73     #define INCL_BASE
  74     #include <os2.h>
  75     #ifndef __EMX__
  76       #include <direct.h>
  77     #endif
  78     #include <stdlib.h>
  79     #include <ctype.h>
  80   #endif
  81   extern bool wxIsDriveAvailable(const wxString& dirName);
  82 #endif // __OS2__
  83
  84 #if defined(__WXMAC__)
  85 # include "MoreFilesX.h"
  86 #endif
  87
  88 #ifdef __BORLANDC__
  89 #include "dos.h"
  90 #endif
  91
  92 // If compiled under Windows, this macro can cause problems
  93 #ifdef GetFirstChild
  94 #undef GetFirstChild
  95 #endif
  96
  97 // ----------------------------------------------------------------------------
  98 // wxGetAvailableDrives, for WINDOWS, DOS, OS2, MAC, UNIX (returns "/")
  99 // ----------------------------------------------------------------------------
 100
 101 size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayInt &icon_ids)
 102 {
 103 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 104
 105 #ifdef __WXWINCE__
 106     // No logical drives; return "\"
 107     paths.Add(wxT("\\"));
 108     names.Add(wxT("\\"));
 109     icon_ids.Add(wxFileIconsTable::computer);
 110 #elif defined(__WIN32__)
 111     wxChar driveBuffer[256];
 112     size_t n = (size_t) GetLogicalDriveStrings(255, driveBuffer);
 113     size_t i = 0;
 114     while (i < n)
 115     {
 116         wxString path, name;
 117         path.Printf(wxT("%c:\\"), driveBuffer[i]);
 118         name.Printf(wxT("%c:"), driveBuffer[i]);
 119
 120         int imageId;
 121         int driveType = ::GetDriveType(path);
 122         switch (driveType)
 123         {
 124             case DRIVE_REMOVABLE:
 125                 if (path == wxT("a:\\") || path == wxT("b:\\"))
 126                     imageId = wxFileIconsTable::floppy;
 127                 else
 128                     imageId = wxFileIconsTable::removeable;
 129                 break;
 130             case DRIVE_CDROM:
 131                 imageId = wxFileIconsTable::cdrom;
 132                 break;
 133             case DRIVE_REMOTE:
 134             case DRIVE_FIXED:
 135             default:
 136                 imageId = wxFileIconsTable::drive;
 137                 break;
 138         }
 139
 140         paths.Add(path);
 141         names.Add(name);
 142         icon_ids.Add(imageId);
 143
 144         while (driveBuffer[i] != wxT('\0'))
 145             i ++;
 146         i ++;
 147         if (driveBuffer[i] == wxT('\0'))
 148             break;
 149     }
 150 #elif defined(__OS2__)
 151     APIRET rc;
 152     ULONG ulDriveNum = 0;
 153     ULONG ulDriveMap = 0;
 154     rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
 155     if ( rc == 0)
 156     {
 157         size_t i = 0;
 158         while (i < 26)
 159         {
 160             if (ulDriveMap & ( 1 << i ))
 161             {
 162                 wxString path, name;
 163                 path.Printf(wxT("%c:\\"), 'A' + i);
 164                 name.Printf(wxT("%c:"), 'A' + i);
 165
 166                 // Note: If _filesys is unsupported by some compilers,
 167                 //       we can always replace it by DosQueryFSAttach
 168                 char filesysname[20];
 169 #ifdef __WATCOMC__
 170                 ULONG cbBuffer = sizeof(filesysname);
 171                 PFSQBUFFER2 pfsqBuffer = (PFSQBUFFER2)filesysname;
 172                 APIRET rc = ::DosQueryFSAttach(name.fn_str(),0,FSAIL_QUERYNAME,pfsqBuffer,&cbBuffer);
 173                 if (rc != NO_ERROR)
 174                 {
 175                     filesysname[0] = '\0';
 176                 }
 177 #else
 178                 _filesys(name.fn_str(), filesysname, sizeof(filesysname));
 179 #endif
 180                 /* FAT, LAN, HPFS, CDFS, NFS */
 181                 int imageId;
 182                 if (path == wxT("A:\\") || path == wxT("B:\\"))
 183                     imageId = wxFileIconsTable::floppy;
 184                 else if (!strcmp(filesysname, "CDFS"))
 185                     imageId = wxFileIconsTable::cdrom;
 186                 else if (!strcmp(filesysname, "LAN") ||
 187                          !strcmp(filesysname, "NFS"))
 188                     imageId = wxFileIconsTable::drive;
 189                 else
 190                     imageId = wxFileIconsTable::drive;
 191                 paths.Add(path);
 192                 names.Add(name);
 193                 icon_ids.Add(imageId);
 194             }
 195             i ++;
 196         }
 197     }
 198 #else // !__WIN32__, !__OS2__
 199     int drive;
 200
 201     /* If we can switch to the drive, it exists. */
 202     for( drive = 1; drive <= 26; drive++ )
 203     {
 204         wxString path, name;
 205         path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
 206         name.Printf(wxT("%c:"), (char) (drive + 'A' - 1));
 207
 208         if (wxIsDriveAvailable(path))
 209         {
 210             paths.Add(path);
 211             names.Add(name);
 212             icon_ids.Add((drive <= 2) ? wxFileIconsTable::floppy : wxFileIconsTable::drive);
 213         }
 214     }
 215 #endif // __WIN32__/!__WIN32__
 216
 217 #elif defined(__WXMAC__)
 218
 219     ItemCount volumeIndex = 1;
 220     OSErr err = noErr ;
 221
 222     while( noErr == err )
 223     {
 224         HFSUniStr255 volumeName ;
 225         FSRef fsRef ;
 226         FSVolumeInfo volumeInfo ;
 227         err = FSGetVolumeInfo(0, volumeIndex, NULL, kFSVolInfoFlags , &volumeInfo , &volumeName, &fsRef);
 228         if( noErr == err )
 229         {
 230             wxString path = wxMacFSRefToPath( &fsRef ) ;
 231             wxString name = wxMacHFSUniStrToString( &volumeName ) ;
 232
 233             if ( (volumeInfo.flags & kFSVolFlagSoftwareLockedMask) || (volumeInfo.flags & kFSVolFlagHardwareLockedMask) )
 234             {
 235                 icon_ids.Add(wxFileIconsTable::cdrom);
 236             }
 237             else
 238             {
 239                 icon_ids.Add(wxFileIconsTable::drive);
 240             }
 241             // todo other removable
 242
 243             paths.Add(path);
 244             names.Add(name);
 245             volumeIndex++ ;
 246         }
 247     }
 248
 249 #elif defined(__UNIX__)
 250     paths.Add(wxT("/"));
 251     names.Add(wxT("/"));
 252     icon_ids.Add(wxFileIconsTable::computer);
 253 #else
 254     #error "Unsupported platform in wxGenericDirCtrl!"
 255 #endif
 256     wxASSERT_MSG( (paths.GetCount() == names.GetCount()), wxT("The number of paths and their human readable names should be equal in number."));
 257     wxASSERT_MSG( (paths.GetCount() == icon_ids.GetCount()), wxT("Wrong number of icons for available drives."));
 258     return paths.GetCount();
 259 }
 260
 261 // ----------------------------------------------------------------------------
 262 // wxIsDriveAvailable
 263 // ----------------------------------------------------------------------------
 264
 265 #if defined(__DOS__)
 266
 267 bool wxIsDriveAvailable(const wxString& dirName)
 268 {
 269     // FIXME_MGL - this method leads to hang up under Watcom for some reason
 270 #ifdef __WATCOMC__
 271     wxUnusedVar(dirName);
 272 #else
 273     if ( dirName.Len() == 3 && dirName[1u] == wxT(':') )
 274     {
 275         wxString dirNameLower(dirName.Lower());
 276         // VS: always return true for removable media, since Win95 doesn't
 277         //     like it when MS-DOS app accesses empty floppy drive
 278         return (dirNameLower[0u] == wxT('a') ||
 279                 dirNameLower[0u] == wxT('b') ||
 280                 wxDirExists(dirNameLower));
 281     }
 282     else
 283 #endif
 284         return true;
 285 }
 286
 287 #elif defined(__WINDOWS__) || defined(__OS2__)
 288
 289 int setdrive(int WXUNUSED_IN_WINCE(drive))
 290 {
 291 #ifdef __WXWINCE__
 292     return 0;
 293 #elif defined(__GNUWIN32__) && \
 294     (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 295     return _chdrive(drive);
 296 #else
 297     wxChar  newdrive[4];
 298
 299     if (drive < 1 || drive > 31)
 300         return -1;
 301     newdrive[0] = (wxChar)(wxT('A') + drive - 1);
 302     newdrive[1] = wxT(':');
 303 #ifdef __OS2__
 304     newdrive[2] = wxT('\\');
 305     newdrive[3] = wxT('\0');
 306 #else
 307     newdrive[2] = wxT('\0');
 308 #endif
 309 #if defined(__WXMSW__)
 310     if (::SetCurrentDirectory(newdrive))
 311 #else
 312     // VA doesn't know what LPSTR is and has its own set
 313     if (!DosSetCurrentDir((PSZ)newdrive))
 314 #endif
 315         return 0;
 316     else
 317         return -1;
 318 #endif // !GNUWIN32
 319 }
 320
 321 bool wxIsDriveAvailable(const wxString& WXUNUSED_IN_WINCE(dirName))
 322 {
 323 #ifdef __WXWINCE__
 324     return false;
 325 #else
 326 #ifdef __WIN32__
 327     UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
 328 #endif
 329     bool success = true;
 330
 331     // Check if this is a root directory and if so,
 332     // whether the drive is available.
 333     if (dirName.Len() == 3 && dirName[(size_t)1] == wxT(':'))
 334     {
 335         wxString dirNameLower(dirName.Lower());
 336 #if defined(__GNUWIN32__) && !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 337         success = wxDirExists(dirNameLower);
 338 #else
 339         #if defined(__OS2__)
 340         // Avoid changing to drive since no media may be inserted.
 341         if (dirNameLower[(size_t)0] == 'a' || dirNameLower[(size_t)0] == 'b')
 342             return success;
 343         #endif
 344         int currentDrive = _getdrive();
 345         int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
 346         int err = setdrive( thisDrive ) ;
 347         setdrive( currentDrive );
 348
 349         if (err == -1)
 350         {
 351             success = false;
 352         }
 353 #endif
 354     }
 355 #ifdef __WIN32__
 356     (void) SetErrorMode(errorMode);
 357 #endif
 358
 359     return success;
 360 #endif
 361 }
 362 #endif // __WINDOWS__ || __OS2__
 363
 364 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG
 365
 366
 367
 368 #if wxUSE_DIRDLG
 369
 370 // Function which is called by quick sort. We want to override the default wxArrayString behaviour,
 371 // and sort regardless of case.
 372 static int wxCMPFUNC_CONV wxDirCtrlStringCompareFunction(const wxString& strFirst, const wxString& strSecond)
 373 {
 374     return strFirst.CmpNoCase(strSecond);
 375 }
 376
 377 //-----------------------------------------------------------------------------
 378 // wxDirItemData
 379 //-----------------------------------------------------------------------------
 380
 381 wxDirItemData::wxDirItemData(const wxString& path, const wxString& name,
 382                              bool isDir)
 383 {
 384     m_path = path;
 385     m_name = name;
 386     /* Insert logic to detect hidden files here
 387      * In UnixLand we just check whether the first char is a dot
 388      * For FileNameFromPath read LastDirNameInThisPath ;-) */
 389     // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
 390     m_isHidden = false;
 391     m_isExpanded = false;
 392     m_isDir = isDir;
 393 }
 394
 395 void wxDirItemData::SetNewDirName(const wxString& path)
 396 {
 397     m_path = path;
 398     m_name = wxFileNameFromPath(path);
 399 }
 400
 401 bool wxDirItemData::HasSubDirs() const
 402 {
 403     if (m_path.empty())
 404         return false;
 405
 406     wxDir dir;
 407     {
 408         wxLogNull nolog;
 409         if ( !dir.Open(m_path) )
 410             return false;
 411     }
 412
 413     return dir.HasSubDirs();
 414 }
 415
 416 bool wxDirItemData::HasFiles(const wxString& WXUNUSED(spec)) const
 417 {
 418     if (m_path.empty())
 419         return false;
 420
 421     wxDir dir;
 422     {
 423         wxLogNull nolog;
 424         if ( !dir.Open(m_path) )
 425             return false;
 426     }
 427
 428     return dir.HasFiles();
 429 }
 430
 431 //-----------------------------------------------------------------------------
 432 // wxGenericDirCtrl
 433 //-----------------------------------------------------------------------------
 434
 435
 436 #if wxUSE_EXTENDED_RTTI
 437 WX_DEFINE_FLAGS( wxGenericDirCtrlStyle )
 438
 439 wxBEGIN_FLAGS( wxGenericDirCtrlStyle )
 440     // new style border flags, we put them first to
 441     // use them for streaming out
 442     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
 443     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
 444     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
 445     wxFLAGS_MEMBER(wxBORDER_RAISED)
 446     wxFLAGS_MEMBER(wxBORDER_STATIC)
 447     wxFLAGS_MEMBER(wxBORDER_NONE)
 448
 449     // old style border flags
 450     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
 451     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
 452     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
 453     wxFLAGS_MEMBER(wxRAISED_BORDER)
 454     wxFLAGS_MEMBER(wxSTATIC_BORDER)
 455     wxFLAGS_MEMBER(wxBORDER)
 456
 457     // standard window styles
 458     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 459     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 460     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 461     wxFLAGS_MEMBER(wxWANTS_CHARS)
 462     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
 463     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 464     wxFLAGS_MEMBER(wxVSCROLL)
 465     wxFLAGS_MEMBER(wxHSCROLL)
 466
 467     wxFLAGS_MEMBER(wxDIRCTRL_DIR_ONLY)
 468     wxFLAGS_MEMBER(wxDIRCTRL_3D_INTERNAL)
 469     wxFLAGS_MEMBER(wxDIRCTRL_SELECT_FIRST)
 470     wxFLAGS_MEMBER(wxDIRCTRL_SHOW_FILTERS)
 471
 472 wxEND_FLAGS( wxGenericDirCtrlStyle )
 473
 474 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGenericDirCtrl, wxControl,"wx/dirctrl.h")
 475
 476 wxBEGIN_PROPERTIES_TABLE(wxGenericDirCtrl)
 477     wxHIDE_PROPERTY( Children )
 478     wxPROPERTY( DefaultPath , wxString , SetDefaultPath , GetDefaultPath  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 479     wxPROPERTY( Filter , wxString , SetFilter , GetFilter  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 480     wxPROPERTY( DefaultFilter , int , SetFilterIndex, GetFilterIndex, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 481     wxPROPERTY_FLAGS( WindowStyle, wxGenericDirCtrlStyle, long, SetWindowStyleFlag, GetWindowStyleFlag, EMPTY_MACROVALUE , 0, wxT("Helpstring"), wxT("group") )
 482 wxEND_PROPERTIES_TABLE()
 483
 484 wxBEGIN_HANDLERS_TABLE(wxGenericDirCtrl)
 485 wxEND_HANDLERS_TABLE()
 486
 487 wxCONSTRUCTOR_8( wxGenericDirCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , DefaultPath ,
 488                  wxPoint , Position , wxSize , Size , long , WindowStyle , wxString , Filter , int , DefaultFilter )
 489 #else
 490 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
 491 #endif
 492
 493 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
 494   EVT_TREE_ITEM_EXPANDING     (wxID_TREECTRL, wxGenericDirCtrl::OnExpandItem)
 495   EVT_TREE_ITEM_COLLAPSED     (wxID_TREECTRL, wxGenericDirCtrl::OnCollapseItem)
 496   EVT_TREE_BEGIN_LABEL_EDIT   (wxID_TREECTRL, wxGenericDirCtrl::OnBeginEditItem)
 497   EVT_TREE_END_LABEL_EDIT     (wxID_TREECTRL, wxGenericDirCtrl::OnEndEditItem)
 498   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 499 END_EVENT_TABLE()
 500
 501 wxGenericDirCtrl::wxGenericDirCtrl(void)
 502 {
 503     Init();
 504 }
 505
 506 void wxGenericDirCtrl::ExpandRoot()
 507 {
 508     ExpandDir(m_rootId); // automatically expand first level
 509
 510     // Expand and select the default path
 511     if (!m_defaultPath.empty())
 512     {
 513         ExpandPath(m_defaultPath);
 514     }
 515 #ifdef __UNIX__
 516     else
 517     {
 518         // On Unix, there's only one node under the (hidden) root node. It
 519         // represents the / path, so the user would always have to expand it;
 520         // let's do it ourselves
 521         ExpandPath( wxT("/") );
 522     }
 523 #endif
 524 }
 525
 526 bool wxGenericDirCtrl::Create(wxWindow *parent,
 527                               const wxWindowID id,
 528                               const wxString& dir,
 529                               const wxPoint& pos,
 530                               const wxSize& size,
 531                               long style,
 532                               const wxString& filter,
 533                               int defaultFilter,
 534                               const wxString& name)
 535 {
 536     if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
 537         return false;
 538
 539     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 540
 541     Init();
 542
 543     long treeStyle = wxTR_HAS_BUTTONS;
 544
 545     // On Windows CE, if you hide the root, you get a crash when
 546     // attempting to access data for children of the root item.
 547 #ifndef __WXWINCE__
 548     treeStyle |= wxTR_HIDE_ROOT;
 549 #endif
 550
 551 #ifdef __WXGTK20__
 552     treeStyle |= wxTR_NO_LINES;
 553 #endif
 554
 555     if (style & wxDIRCTRL_EDIT_LABELS)
 556         treeStyle |= wxTR_EDIT_LABELS;
 557
 558     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 559         treeStyle |= wxNO_BORDER;
 560     else
 561         treeStyle |= wxBORDER_SUNKEN;
 562
 563     long filterStyle = 0;
 564     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 565         filterStyle |= wxNO_BORDER;
 566     else
 567         filterStyle |= wxBORDER_SUNKEN;
 568
 569     m_treeCtrl = CreateTreeCtrl(this, wxID_TREECTRL,
 570                                 wxPoint(0,0), GetClientSize(), treeStyle);
 571
 572     if (!filter.empty() && (style & wxDIRCTRL_SHOW_FILTERS))
 573         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
 574
 575     m_defaultPath = dir;
 576     m_filter = filter;
 577
 578     if (m_filter.empty())
 579 #ifdef __UNIX__
 580         m_filter = wxT("*");
 581 #else
 582         m_filter = wxT("*.*");
 583 #endif
 584
 585     SetFilterIndex(defaultFilter);
 586
 587     if (m_filterListCtrl)
 588         m_filterListCtrl->FillFilterList(filter, defaultFilter);
 589
 590     m_treeCtrl->SetImageList(wxTheFileIconsTable->GetSmallImageList());
 591
 592     m_showHidden = false;
 593     wxDirItemData* rootData = new wxDirItemData(wxEmptyString, wxEmptyString, true);
 594
 595     wxString rootName;
 596
 597 #if defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__)
 598     rootName = _("Computer");
 599 #else
 600     rootName = _("Sections");
 601 #endif
 602
 603     m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
 604     m_treeCtrl->SetItemHasChildren(m_rootId);
 605
 606     ExpandRoot();
 607
 608     SetBestSize(size);
 609     DoResize();
 610
 611     return true;
 612 }
 613
 614 wxGenericDirCtrl::~wxGenericDirCtrl()
 615 {
 616 }
 617
 618 void wxGenericDirCtrl::Init()
 619 {
 620     m_showHidden = false;
 621     m_currentFilter = 0;
 622     m_currentFilterStr = wxEmptyString; // Default: any file
 623     m_treeCtrl = NULL;
 624     m_filterListCtrl = NULL;
 625 }
 626
 627 wxTreeCtrl* wxGenericDirCtrl::CreateTreeCtrl(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long treeStyle)
 628 {
 629     return new wxTreeCtrl(parent, id, pos, size, treeStyle);
 630 }
 631
 632 void wxGenericDirCtrl::ShowHidden( bool show )
 633 {
 634     m_showHidden = show;
 635
 636     wxString path = GetPath();
 637     ReCreateTree();
 638     SetPath(path);
 639 }
 640
 641 const wxTreeItemId
 642 wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
 643 {
 644     wxDirItemData *dir_item = new wxDirItemData(path,name,true);
 645
 646     wxTreeItemId id = AppendItem( m_rootId, name, imageId, -1, dir_item);
 647
 648     m_treeCtrl->SetItemHasChildren(id);
 649
 650     return id;
 651 }
 652
 653 void wxGenericDirCtrl::SetupSections()
 654 {
 655     wxArrayString paths, names;
 656     wxArrayInt icons;
 657
 658     size_t n, count = wxGetAvailableDrives(paths, names, icons);
 659
 660 #ifdef __WXGTK20__
 661     wxString home = wxGetHomeDir();
 662     AddSection( home, _("Home directory"), 1);
 663     home += wxT("/Desktop");
 664     AddSection( home, _("Desktop"), 1);
 665 #endif
 666
 667     for (n = 0; n < count; n++)
 668         AddSection(paths[n], names[n], icons[n]);
 669 }
 670
 671 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 672 {
 673     // don't rename the main entry "Sections"
 674     if (event.GetItem() == m_rootId)
 675     {
 676         event.Veto();
 677         return;
 678     }
 679
 680     // don't rename the individual sections
 681     if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
 682     {
 683         event.Veto();
 684         return;
 685     }
 686 }
 687
 688 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
 689 {
 690     if ((event.GetLabel().empty()) ||
 691         (event.GetLabel() == _(".")) ||
 692         (event.GetLabel() == _("..")) ||
 693         (event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
 694         (event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
 695         (event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
 696     {
 697         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 698         dialog.ShowModal();
 699         event.Veto();
 700         return;
 701     }
 702
 703     wxTreeItemId id = event.GetItem();
 704     wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
 705     wxASSERT( data );
 706
 707     wxString new_name( wxPathOnly( data->m_path ) );
 708     new_name += wxString(wxFILE_SEP_PATH);
 709     new_name += event.GetLabel();
 710
 711     wxLogNull log;
 712
 713     if (wxFileExists(new_name))
 714     {
 715         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 716         dialog.ShowModal();
 717         event.Veto();
 718     }
 719
 720     if (wxRenameFile(data->m_path,new_name))
 721     {
 722         data->SetNewDirName( new_name );
 723     }
 724     else
 725     {
 726         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 727         dialog.ShowModal();
 728         event.Veto();
 729     }
 730 }
 731
 732 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 733 {
 734     wxTreeItemId parentId = event.GetItem();
 735
 736     // VS: this is needed because the event handler is called from wxTreeCtrl
 737     //     ctor when wxTR_HIDE_ROOT was specified
 738
 739     if (!m_rootId.IsOk())
 740
 741         m_rootId = m_treeCtrl->GetRootItem();
 742
 743     ExpandDir(parentId);
 744 }
 745
 746 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
 747 {
 748     CollapseDir(event.GetItem());
 749 }
 750
 751 void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
 752 {
 753     wxTreeItemId child;
 754
 755     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 756     if (!data->m_isExpanded)
 757         return;
 758
 759     data->m_isExpanded = false;
 760     wxTreeItemIdValue cookie;
 761     /* Workaround because DeleteChildren has disapeared (why?) and
 762      * CollapseAndReset doesn't work as advertised (deletes parent too) */
 763     child = m_treeCtrl->GetFirstChild(parentId, cookie);
 764     while (child.IsOk())
 765     {
 766         m_treeCtrl->Delete(child);
 767         /* Not GetNextChild below, because the cookie mechanism can't
 768          * handle disappearing children! */
 769         child = m_treeCtrl->GetFirstChild(parentId, cookie);
 770     }
 771     if (parentId != m_treeCtrl->GetRootItem())
 772         m_treeCtrl->Collapse(parentId);
 773 }
 774
 775 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 776 {
 777     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 778
 779     if (data->m_isExpanded)
 780         return;
 781
 782     data->m_isExpanded = true;
 783
 784     if (parentId == m_treeCtrl->GetRootItem())
 785     {
 786         SetupSections();
 787         return;
 788     }
 789
 790     wxASSERT(data);
 791
 792     wxString search,path,filename;
 793
 794     wxString dirName(data->m_path);
 795
 796 #if (defined(__WINDOWS__) && !defined(__WXWINCE__)) || defined(__DOS__) || defined(__OS2__)
 797     // Check if this is a root directory and if so,
 798     // whether the drive is avaiable.
 799     if (!wxIsDriveAvailable(dirName))
 800     {
 801         data->m_isExpanded = false;
 802         //wxMessageBox(wxT("Sorry, this drive is not available."));
 803         return;
 804     }
 805 #endif
 806
 807     // This may take a longish time. Go to busy cursor
 808     wxBusyCursor busy;
 809
 810 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 811     if (dirName.Last() == ':')
 812         dirName += wxString(wxFILE_SEP_PATH);
 813 #endif
 814
 815     wxArrayString dirs;
 816     wxArrayString filenames;
 817
 818     wxDir d;
 819     wxString eachFilename;
 820
 821     wxLogNull log;
 822     d.Open(dirName);
 823
 824     if (d.IsOpened())
 825     {
 826         int style = wxDIR_DIRS;
 827         if (m_showHidden) style |= wxDIR_HIDDEN;
 828         if (d.GetFirst(& eachFilename, wxEmptyString, style))
 829         {
 830             do
 831             {
 832                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 833                 {
 834                     dirs.Add(eachFilename);
 835                 }
 836             }
 837             while (d.GetNext(&eachFilename));
 838         }
 839     }
 840     dirs.Sort(wxDirCtrlStringCompareFunction);
 841
 842     // Now do the filenames -- but only if we're allowed to
 843     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 844     {
 845         d.Open(dirName);
 846
 847         if (d.IsOpened())
 848         {
 849             int style = wxDIR_FILES;
 850             if (m_showHidden) style |= wxDIR_HIDDEN;
 851             // Process each filter (ex: "JPEG Files (*.jpg;*.jpeg)|*.jpg;*.jpeg")
 852             wxStringTokenizer strTok;
 853             wxString curFilter;
 854             strTok.SetString(m_currentFilterStr,wxT(";"));
 855             while(strTok.HasMoreTokens())
 856             {
 857                 curFilter = strTok.GetNextToken();
 858                 if (d.GetFirst(& eachFilename, curFilter, style))
 859                 {
 860                     do
 861                     {
 862                         if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 863                         {
 864                             filenames.Add(eachFilename);
 865                         }
 866                     }
 867                     while (d.GetNext(& eachFilename));
 868                 }
 869             }
 870         }
 871         filenames.Sort(wxDirCtrlStringCompareFunction);
 872     }
 873
 874     // Add the sorted dirs
 875     size_t i;
 876     for (i = 0; i < dirs.Count(); i++)
 877     {
 878         eachFilename = dirs[i];
 879         path = dirName;
 880         if (!wxEndsWithPathSeparator(path))
 881             path += wxString(wxFILE_SEP_PATH);
 882         path += eachFilename;
 883
 884         wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,true);
 885         wxTreeItemId id = AppendItem( parentId, eachFilename,
 886                                       wxFileIconsTable::folder, -1, dir_item);
 887         m_treeCtrl->SetItemImage( id, wxFileIconsTable::folder_open,
 888                                   wxTreeItemIcon_Expanded );
 889
 890         // Has this got any children? If so, make it expandable.
 891         // (There are two situations when a dir has children: either it
 892         // has subdirectories or it contains files that weren't filtered
 893         // out. The latter only applies to dirctrl with files.)
 894         if ( dir_item->HasSubDirs() ||
 895              (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
 896                dir_item->HasFiles(m_currentFilterStr)) )
 897         {
 898             m_treeCtrl->SetItemHasChildren(id);
 899         }
 900     }
 901
 902     // Add the sorted filenames
 903     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 904     {
 905         for (i = 0; i < filenames.Count(); i++)
 906         {
 907             eachFilename = filenames[i];
 908             path = dirName;
 909             if (!wxEndsWithPathSeparator(path))
 910                 path += wxString(wxFILE_SEP_PATH);
 911             path += eachFilename;
 912             //path = dirName + wxString(wxT("/")) + eachFilename;
 913             wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,false);
 914             int image_id = wxFileIconsTable::file;
 915             if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
 916                 image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
 917             (void) AppendItem( parentId, eachFilename, image_id, -1, dir_item);
 918         }
 919     }
 920 }
 921
 922 void wxGenericDirCtrl::ReCreateTree()
 923 {
 924     CollapseDir(m_treeCtrl->GetRootItem());
 925     ExpandRoot();
 926 }
 927
 928 void wxGenericDirCtrl::CollapseTree()
 929 {
 930     wxTreeItemIdValue cookie;
 931     wxTreeItemId child = m_treeCtrl->GetFirstChild(m_rootId, cookie);
 932     while (child.IsOk())
 933     {
 934         CollapseDir(child);
 935         child = m_treeCtrl->GetNextChild(m_rootId, cookie);
 936     }
 937 }
 938
 939 // Find the child that matches the first part of 'path'.
 940 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
 941 // then the child for /usr is returned.
 942 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
 943 {
 944     wxString path2(path);
 945
 946     // Make sure all separators are as per the current platform
 947     path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
 948     path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
 949
 950     // Append a separator to foil bogus substring matching
 951     path2 += wxString(wxFILE_SEP_PATH);
 952
 953     // In MSW or PM, case is not significant
 954 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 955     path2.MakeLower();
 956 #endif
 957
 958     wxTreeItemIdValue cookie;
 959     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
 960     while (childId.IsOk())
 961     {
 962         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 963
 964         if (data && !data->m_path.empty())
 965         {
 966             wxString childPath(data->m_path);
 967             if (!wxEndsWithPathSeparator(childPath))
 968                 childPath += wxString(wxFILE_SEP_PATH);
 969
 970             // In MSW and PM, case is not significant
 971 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 972             childPath.MakeLower();
 973 #endif
 974
 975             if (childPath.Len() <= path2.Len())
 976             {
 977                 wxString path3 = path2.Mid(0, childPath.Len());
 978                 if (childPath == path3)
 979                 {
 980                     if (path3.Len() == path2.Len())
 981                         done = true;
 982                     else
 983                         done = false;
 984                     return childId;
 985                 }
 986             }
 987         }
 988
 989         childId = m_treeCtrl->GetNextChild(parentId, cookie);
 990     }
 991     wxTreeItemId invalid;
 992     return invalid;
 993 }
 994
 995 // Try to expand as much of the given path as possible,
 996 // and select the given tree item.
 997 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
 998 {
 999     bool done = false;
1000     wxTreeItemId id = FindChild(m_rootId, path, done);
1001     wxTreeItemId lastId = id; // The last non-zero id
1002     while (id.IsOk() && !done)
1003     {
1004         ExpandDir(id);
1005
1006         id = FindChild(id, path, done);
1007         if (id.IsOk())
1008             lastId = id;
1009     }
1010     if (!lastId.IsOk())
1011         return false;
1012
1013     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
1014     if (data->m_isDir)
1015     {
1016         m_treeCtrl->Expand(lastId);
1017     }
1018     if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
1019     {
1020         // Find the first file in this directory
1021         wxTreeItemIdValue cookie;
1022         wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
1023         bool selectedChild = false;
1024         while (childId.IsOk())
1025         {
1026             data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
1027
1028             if (data && data->m_path != wxEmptyString && !data->m_isDir)
1029             {
1030                 m_treeCtrl->SelectItem(childId);
1031                 m_treeCtrl->EnsureVisible(childId);
1032                 selectedChild = true;
1033                 break;
1034             }
1035             childId = m_treeCtrl->GetNextChild(lastId, cookie);
1036         }
1037         if (!selectedChild)
1038         {
1039             m_treeCtrl->SelectItem(lastId);
1040             m_treeCtrl->EnsureVisible(lastId);
1041         }
1042     }
1043     else
1044     {
1045         m_treeCtrl->SelectItem(lastId);
1046         m_treeCtrl->EnsureVisible(lastId);
1047     }
1048
1049     return true;
1050 }
1051
1052 wxString wxGenericDirCtrl::GetPath() const
1053 {
1054     wxTreeItemId id = m_treeCtrl->GetSelection();
1055     if (id)
1056     {
1057         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1058         return data->m_path;
1059     }
1060     else
1061         return wxEmptyString;
1062 }
1063
1064 wxString wxGenericDirCtrl::GetFilePath() const
1065 {
1066     wxTreeItemId id = m_treeCtrl->GetSelection();
1067     if (id)
1068     {
1069         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1070         if (data->m_isDir)
1071             return wxEmptyString;
1072         else
1073             return data->m_path;
1074     }
1075     else
1076         return wxEmptyString;
1077 }
1078
1079 void wxGenericDirCtrl::SetPath(const wxString& path)
1080 {
1081     m_defaultPath = path;
1082     if (m_rootId)
1083         ExpandPath(path);
1084 }
1085
1086 // Not used
1087 #if 0
1088 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1089 {
1090     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1091
1092     // This may take a longish time. Go to busy cursor
1093     wxBusyCursor busy;
1094
1095     wxASSERT(data);
1096
1097     wxString search,path,filename;
1098
1099     wxString dirName(data->m_path);
1100
1101 #if defined(__WXMSW__) || defined(__OS2__)
1102     if (dirName.Last() == ':')
1103         dirName += wxString(wxFILE_SEP_PATH);
1104 #endif
1105
1106     wxDir d;
1107     wxString eachFilename;
1108
1109     wxLogNull log;
1110     d.Open(dirName);
1111
1112     if (d.IsOpened())
1113     {
1114         if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1115         {
1116             do
1117             {
1118                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1119                 {
1120                     filenames.Add(eachFilename);
1121                 }
1122             }
1123             while (d.GetNext(& eachFilename)) ;
1124         }
1125     }
1126 }
1127 #endif
1128
1129 void wxGenericDirCtrl::SetFilterIndex(int n)
1130 {
1131     m_currentFilter = n;
1132
1133     wxString f, d;
1134     if (ExtractWildcard(m_filter, n, f, d))
1135         m_currentFilterStr = f;
1136     else
1137 #ifdef __UNIX__
1138         m_currentFilterStr = wxT("*");
1139 #else
1140         m_currentFilterStr = wxT("*.*");
1141 #endif
1142 }
1143
1144 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1145 {
1146     m_filter = filter;
1147
1148     wxString f, d;
1149     if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1150         m_currentFilterStr = f;
1151     else
1152 #ifdef __UNIX__
1153         m_currentFilterStr = wxT("*");
1154 #else
1155         m_currentFilterStr = wxT("*.*");
1156 #endif
1157 }
1158
1159 // Extract description and actual filter from overall filter string
1160 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1161 {
1162     wxArrayString filters, descriptions;
1163     int count = wxParseCommonDialogsFilter(filterStr, descriptions, filters);
1164     if (count > 0 && n < count)
1165     {
1166         filter = filters[n];
1167         description = descriptions[n];
1168         return true;
1169     }
1170
1171     return false;
1172 }
1173
1174 #if WXWIN_COMPATIBILITY_2_4
1175 // Parses the global filter, returning the number of filters.
1176 // Returns 0 if none or if there's a problem.
1177 // filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
1178 int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
1179 {
1180     return wxParseCommonDialogsFilter(filterStr, descriptions, filters );
1181 }
1182 #endif // WXWIN_COMPATIBILITY_2_4
1183
1184 void wxGenericDirCtrl::DoResize()
1185 {
1186     wxSize sz = GetClientSize();
1187     int verticalSpacing = 3;
1188     if (m_treeCtrl)
1189     {
1190         wxSize filterSz ;
1191         if (m_filterListCtrl)
1192         {
1193 #ifdef __WXMSW__
1194             // For some reason, this is required in order for the
1195             // correct control height to always be returned, rather
1196             // than the drop-down list height which is sometimes returned.
1197             wxSize oldSize = m_filterListCtrl->GetSize();
1198             m_filterListCtrl->SetSize(wxDefaultCoord,
1199                                       wxDefaultCoord,
1200                                       oldSize.x+10,
1201                                       wxDefaultCoord,
1202                                       wxSIZE_USE_EXISTING);
1203             m_filterListCtrl->SetSize(wxDefaultCoord,
1204                                       wxDefaultCoord,
1205                                       oldSize.x,
1206                                       wxDefaultCoord,
1207                                       wxSIZE_USE_EXISTING);
1208 #endif
1209             filterSz = m_filterListCtrl->GetSize();
1210             sz.y -= (filterSz.y + verticalSpacing);
1211         }
1212         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1213         if (m_filterListCtrl)
1214         {
1215             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1216             // Don't know why, but this needs refreshing after a resize (wxMSW)
1217             m_filterListCtrl->Refresh();
1218         }
1219     }
1220 }
1221
1222
1223 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1224 {
1225     DoResize();
1226 }
1227
1228 wxTreeItemId wxGenericDirCtrl::AppendItem (const wxTreeItemId & parent,
1229                                            const wxString & text,
1230                                            int image, int selectedImage,
1231                                            wxTreeItemData * data)
1232 {
1233   wxTreeCtrl *treeCtrl = GetTreeCtrl ();
1234
1235   wxASSERT (treeCtrl);
1236
1237   if (treeCtrl)
1238   {
1239     return treeCtrl->AppendItem (parent, text, image, selectedImage, data);
1240   }
1241   else
1242   {
1243     return wxTreeItemId();
1244   }
1245 }
1246
1247
1248 //-----------------------------------------------------------------------------
1249 // wxDirFilterListCtrl
1250 //-----------------------------------------------------------------------------
1251
1252 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1253
1254 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1255     EVT_CHOICE(wxID_ANY, wxDirFilterListCtrl::OnSelFilter)
1256 END_EVENT_TABLE()
1257
1258 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1259               const wxPoint& pos,
1260               const wxSize& size,
1261               long style)
1262 {
1263     m_dirCtrl = parent;
1264     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1265 }
1266
1267 void wxDirFilterListCtrl::Init()
1268 {
1269     m_dirCtrl = NULL;
1270 }
1271
1272 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1273 {
1274     int sel = GetSelection();
1275
1276     wxString currentPath = m_dirCtrl->GetPath();
1277
1278     m_dirCtrl->SetFilterIndex(sel);
1279
1280     // If the filter has changed, the view is out of date, so
1281     // collapse the tree.
1282     m_dirCtrl->ReCreateTree();
1283
1284     // Try to restore the selection, or at least the directory
1285     m_dirCtrl->ExpandPath(currentPath);
1286 }
1287
1288 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1289 {
1290     Clear();
1291     wxArrayString descriptions, filters;
1292     size_t n = (size_t) wxParseCommonDialogsFilter(filter, descriptions, filters);
1293
1294     if (n > 0 && defaultFilter < (int) n)
1295     {
1296         for (size_t i = 0; i < n; i++)
1297             Append(descriptions[i]);
1298         SetSelection(defaultFilter);
1299     }
1300 }
1301 #endif // wxUSE_DIRDLG
1302
1303 #if wxUSE_DIRDLG || wxUSE_FILEDLG
1304
1305 // ----------------------------------------------------------------------------
1306 // wxFileIconsTable icons
1307 // ----------------------------------------------------------------------------
1308
1309 #ifndef __WXGTK24__
1310 /* Computer (c) Julian Smart */
1311 static const char * file_icons_tbl_computer_xpm[] = {
1312 /* columns rows colors chars-per-pixel */
1313 "16 16 42 1",
1314 "r c #4E7FD0",
1315 "$ c #7198D9",
1316 "; c #DCE6F6",
1317 "q c #FFFFFF",
1318 "u c #4A7CCE",
1319 "# c #779DDB",
1320 "w c #95B2E3",
1321 "y c #7FA2DD",
1322 "f c #3263B4",
1323 "= c #EAF0FA",
1324 "< c #B1C7EB",
1325 "% c #6992D7",
1326 "9 c #D9E4F5",
1327 "o c #9BB7E5",
1328 "6 c #F7F9FD",
1329 ", c #BED0EE",
1330 "3 c #F0F5FC",
1331 "1 c #A8C0E8",
1332 "  c None",
1333 "0 c #FDFEFF",
1334 "4 c #C4D5F0",
1335 "@ c #81A4DD",
1336 "e c #4377CD",
1337 "- c #E2EAF8",
1338 "i c #9FB9E5",
1339 "> c #CCDAF2",
1340 "+ c #89A9DF",
1341 "s c #5584D1",
1342 "t c #5D89D3",
1343 ": c #D2DFF4",
1344 "5 c #FAFCFE",
1345 "2 c #F5F8FD",
1346 "8 c #DFE8F7",
1347 "& c #5E8AD4",
1348 "X c #638ED5",
1349 "a c #CEDCF2",
1350 "p c #90AFE2",
1351 "d c #2F5DA9",
1352 "* c #5282D0",
1353 "7 c #E5EDF9",
1354 ". c #A2BCE6",
1355 "O c #8CACE0",
1356 /* pixels */
1357 "                ",
1358 "  .XXXXXXXXXXX  ",
1359 "  oXO++@#$%&*X  ",
1360 "  oX=-;:>,<1%X  ",
1361 "  oX23=-;:4,$X  ",
1362 "  oX5633789:@X  ",
1363 "  oX05623=78+X  ",
1364 "  oXqq05623=OX  ",
1365 "  oX,,,,,<<<$X  ",
1366 "  wXXXXXXXXXXe  ",
1367 "  XrtX%$$y@+O,, ",
1368 "  uyiiiiiiiii@< ",
1369 " ouiiiiiiiiiip<a",
1370 " rustX%$$y@+Ow,,",
1371 " dfffffffffffffd",
1372 "                "
1373 };
1374 #endif // GTK+ < 2.4
1375
1376 // ----------------------------------------------------------------------------
1377 // wxFileIconsTable & friends
1378 // ----------------------------------------------------------------------------
1379
1380 // global instance of a wxFileIconsTable
1381 wxFileIconsTable* wxTheFileIconsTable = (wxFileIconsTable *)NULL;
1382
1383 // A module to allow icons table cleanup
1384
1385 class wxFileIconsTableModule: public wxModule
1386 {
1387 DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
1388 public:
1389     wxFileIconsTableModule() {}
1390     bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return true; }
1391     void OnExit()
1392     {
1393         if (wxTheFileIconsTable)
1394         {
1395             delete wxTheFileIconsTable;
1396             wxTheFileIconsTable = NULL;
1397         }
1398     }
1399 };
1400
1401 IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
1402
1403 class wxFileIconEntry : public wxObject
1404 {
1405 public:
1406     wxFileIconEntry(int i) { id = i; }
1407
1408     int id;
1409 };
1410
1411 wxFileIconsTable::wxFileIconsTable()
1412 {
1413     m_HashTable = NULL;
1414     m_smallImageList = NULL;
1415 }
1416
1417 wxFileIconsTable::~wxFileIconsTable()
1418 {
1419     if (m_HashTable)
1420     {
1421         WX_CLEAR_HASH_TABLE(*m_HashTable);
1422         delete m_HashTable;
1423     }
1424     if (m_smallImageList) delete m_smallImageList;
1425 }
1426
1427 // delayed initialization - wait until first use (wxArtProv not created yet)
1428 void wxFileIconsTable::Create()
1429 {
1430     wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
1431     m_HashTable = new wxHashTable(wxKEY_STRING);
1432     m_smallImageList = new wxImageList(16, 16);
1433
1434     // folder:
1435     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER,
1436                                                    wxART_CMN_DIALOG,
1437                                                    wxSize(16, 16)));
1438     // folder_open
1439     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER_OPEN,
1440                                                    wxART_CMN_DIALOG,
1441                                                    wxSize(16, 16)));
1442     // computer
1443 #ifdef __WXGTK24__
1444     // GTK24 uses this icon in the file open dialog
1445     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1446                                                    wxART_CMN_DIALOG,
1447                                                    wxSize(16, 16)));
1448 #else
1449     m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
1450 #endif
1451     // drive
1452     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1453                                                    wxART_CMN_DIALOG,
1454                                                    wxSize(16, 16)));
1455     // cdrom
1456     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_CDROM,
1457                                                    wxART_CMN_DIALOG,
1458                                                    wxSize(16, 16)));
1459     // floppy
1460     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FLOPPY,
1461                                                    wxART_CMN_DIALOG,
1462                                                    wxSize(16, 16)));
1463     // removeable
1464     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_REMOVABLE,
1465                                                    wxART_CMN_DIALOG,
1466                                                    wxSize(16, 16)));
1467     // file
1468     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE,
1469                                                    wxART_CMN_DIALOG,
1470                                                    wxSize(16, 16)));
1471     // executable
1472     if (GetIconID(wxEmptyString, _T("application/x-executable")) == file)
1473     {
1474         m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE,
1475                                                        wxART_CMN_DIALOG,
1476                                                        wxSize(16, 16)));
1477         delete m_HashTable->Get(_T("exe"));
1478         m_HashTable->Delete(_T("exe"));
1479         m_HashTable->Put(_T("exe"), new wxFileIconEntry(executable));
1480     }
1481     /* else put into list by GetIconID
1482        (KDE defines application/x-executable for *.exe and has nice icon)
1483      */
1484 }
1485
1486 wxImageList *wxFileIconsTable::GetSmallImageList()
1487 {
1488     if (!m_smallImageList)
1489         Create();
1490
1491     return m_smallImageList;
1492 }
1493
1494 #if wxUSE_MIMETYPE && wxUSE_IMAGE
1495 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
1496 //     one icon and we won't resize it
1497
1498 static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
1499 {
1500     const unsigned int size = 16;
1501
1502     wxImage smallimg (size, size);
1503     unsigned char *p1, *p2, *ps;
1504     unsigned char mr = img.GetMaskRed(),
1505                   mg = img.GetMaskGreen(),
1506                   mb = img.GetMaskBlue();
1507
1508     unsigned x, y;
1509     unsigned sr, sg, sb, smask;
1510
1511     p1 = img.GetData(), p2 = img.GetData() + 3 * size*2, ps = smallimg.GetData();
1512     smallimg.SetMaskColour(mr, mr, mr);
1513
1514     for (y = 0; y < size; y++)
1515     {
1516         for (x = 0; x < size; x++)
1517         {
1518             sr = sg = sb = smask = 0;
1519             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1520                 sr += p1[0], sg += p1[1], sb += p1[2];
1521             else smask++;
1522             p1 += 3;
1523             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1524                 sr += p1[0], sg += p1[1], sb += p1[2];
1525             else smask++;
1526             p1 += 3;
1527             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1528                 sr += p2[0], sg += p2[1], sb += p2[2];
1529             else smask++;
1530             p2 += 3;
1531             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1532                 sr += p2[0], sg += p2[1], sb += p2[2];
1533             else smask++;
1534             p2 += 3;
1535
1536             if (smask > 2)
1537                 ps[0] = ps[1] = ps[2] = mr;
1538             else
1539             {
1540                 ps[0] = (unsigned char)(sr >> 2);
1541                 ps[1] = (unsigned char)(sg >> 2);
1542                 ps[2] = (unsigned char)(sb >> 2);
1543             }
1544             ps += 3;
1545         }
1546         p1 += size*2 * 3, p2 += size*2 * 3;
1547     }
1548
1549     return wxBitmap(smallimg);
1550 }
1551
1552 // This function is currently not unused anymore
1553 #if 0
1554 // finds empty borders and return non-empty area of image:
1555 static wxImage CutEmptyBorders(const wxImage& img)
1556 {
1557     unsigned char mr = img.GetMaskRed(),
1558                   mg = img.GetMaskGreen(),
1559                   mb = img.GetMaskBlue();
1560     unsigned char *dt = img.GetData(), *dttmp;
1561     unsigned w = img.GetWidth(), h = img.GetHeight();
1562
1563     unsigned top, bottom, left, right, i;
1564     bool empt;
1565
1566 #define MK_DTTMP(x,y)      dttmp = dt + ((x + y * w) * 3)
1567 #define NOEMPTY_PIX(empt)  if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = false; break;}
1568
1569     for (empt = true, top = 0; empt && top < h; top++)
1570     {
1571         MK_DTTMP(0, top);
1572         for (i = 0; i < w; i++, dttmp+=3)
1573             NOEMPTY_PIX(empt)
1574     }
1575     for (empt = true, bottom = h-1; empt && bottom > top; bottom--)
1576     {
1577         MK_DTTMP(0, bottom);
1578         for (i = 0; i < w; i++, dttmp+=3)
1579             NOEMPTY_PIX(empt)
1580     }
1581     for (empt = true, left = 0; empt && left < w; left++)
1582     {
1583         MK_DTTMP(left, 0);
1584         for (i = 0; i < h; i++, dttmp+=3*w)
1585             NOEMPTY_PIX(empt)
1586     }
1587     for (empt = true, right = w-1; empt && right > left; right--)
1588     {
1589         MK_DTTMP(right, 0);
1590         for (i = 0; i < h; i++, dttmp+=3*w)
1591             NOEMPTY_PIX(empt)
1592     }
1593     top--, left--, bottom++, right++;
1594
1595     return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
1596 }
1597 #endif // #if 0
1598
1599 #endif // wxUSE_MIMETYPE
1600
1601 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
1602 {
1603     if (!m_smallImageList)
1604         Create();
1605
1606 #if wxUSE_MIMETYPE
1607     if (!extension.empty())
1608     {
1609         wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
1610         if (entry) return (entry -> id);
1611     }
1612
1613     wxFileType *ft = (mime.empty()) ?
1614                    wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
1615                    wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
1616
1617     wxIconLocation iconLoc;
1618     wxIcon ic;
1619
1620     {
1621         wxLogNull logNull;
1622         if ( ft && ft->GetIcon(&iconLoc) )
1623         {
1624             ic = wxIcon( iconLoc );
1625         }
1626     }
1627
1628     delete ft;
1629
1630     if ( !ic.Ok() )
1631     {
1632         int newid = file;
1633         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1634         return newid;
1635     }
1636
1637     wxBitmap bmp;
1638     bmp.CopyFromIcon(ic);
1639
1640     if ( !bmp.Ok() )
1641     {
1642         int newid = file;
1643         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1644         return newid;
1645     }
1646
1647     const unsigned int size = 16;
1648
1649     int id = m_smallImageList->GetImageCount();
1650     if ((bmp.GetWidth() == (int) size) && (bmp.GetHeight() == (int) size))
1651     {
1652         m_smallImageList->Add(bmp);
1653     }
1654 #if wxUSE_IMAGE
1655     else
1656     {
1657         wxImage img = bmp.ConvertToImage();
1658
1659         if ((img.GetWidth() != size*2) || (img.GetHeight() != size*2))
1660 //            m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(size*2, size*2)));
1661             m_smallImageList->Add(CreateAntialiasedBitmap(img.Rescale(size*2, size*2)));
1662         else
1663             m_smallImageList->Add(CreateAntialiasedBitmap(img));
1664     }
1665 #endif // wxUSE_IMAGE
1666
1667     m_HashTable->Put(extension, new wxFileIconEntry(id));
1668     return id;
1669
1670 #else // !wxUSE_MIMETYPE
1671
1672     wxUnusedVar(mime);
1673     if (extension == wxT("exe"))
1674         return executable;
1675     else
1676         return file;
1677 #endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
1678 }
1679
1680 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG