src/generic/dirctrlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "dirctrlg.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #if wxUSE_DIRDLG || wxUSE_FILEDLG
  24
  25 #include "wx/generic/dirctrlg.h"
  26 #include "wx/module.h"
  27 #include "wx/utils.h"
  28 #include "wx/button.h"
  29 #include "wx/layout.h"
  30 #include "wx/msgdlg.h"
  31 #include "wx/textctrl.h"
  32 #include "wx/textdlg.h"
  33 #include "wx/filefn.h"
  34 #include "wx/cmndata.h"
  35 #include "wx/gdicmn.h"
  36 #include "wx/intl.h"
  37 #include "wx/imaglist.h"
  38 #include "wx/icon.h"
  39 #include "wx/log.h"
  40 #include "wx/sizer.h"
  41 #include "wx/tokenzr.h"
  42 #include "wx/dir.h"
  43 #include "wx/settings.h"
  44 #include "wx/artprov.h"
  45 #include "wx/hash.h"
  46 #include "wx/mimetype.h"
  47 #include "wx/image.h"
  48 #include "wx/choice.h"
  49
  50 #if wxUSE_STATLINE
  51     #include "wx/statline.h"
  52 #endif
  53
  54 #if defined(__WXMAC__)
  55   #include  "wx/mac/private.h"  // includes mac headers
  56 #endif
  57
  58 #ifdef __WXMSW__
  59 #include <windows.h>
  60 #include "wx/msw/winundef.h"
  61
  62 // FIXME - Mingw32 1.0 has both _getdrive() and _chdrive(). For now, let's assume
  63 //         older releases don't, but it should be verified and the checks modified
  64 //         accordingly.
  65 #if !defined(__GNUWIN32__) || (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
  66 #if !defined(__WXWINCE__)
  67   #include <direct.h>
  68 #endif
  69   #include <stdlib.h>
  70   #include <ctype.h>
  71 #endif
  72
  73 #endif
  74
  75 #if defined(__OS2__) || defined(__DOS__)
  76   #ifdef __OS2__
  77     #define INCL_BASE
  78     #include <os2.h>
  79     #ifndef __EMX__
  80       #include <direct.h>
  81     #endif
  82     #include <stdlib.h>
  83     #include <ctype.h>
  84   #endif
  85   extern bool wxIsDriveAvailable(const wxString& dirName);
  86 #endif // __OS2__
  87
  88 #if defined(__WXMAC__)
  89 # include "MoreFilesX.h"
  90 #endif
  91
  92 #ifdef __BORLANDC__
  93 #include "dos.h"
  94 #endif
  95
  96 // If compiled under Windows, this macro can cause problems
  97 #ifdef GetFirstChild
  98 #undef GetFirstChild
  99 #endif
 100
 101 // ----------------------------------------------------------------------------
 102 // wxGetAvailableDrives, for WINDOWS, DOS, OS2, MAC, UNIX (returns "/")
 103 // ----------------------------------------------------------------------------
 104
 105 size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayInt &icon_ids)
 106 {
 107 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 108
 109 #ifdef __WXWINCE__
 110     // No logical drives; return "\"
 111     paths.Add(wxT("\\"));
 112     names.Add(wxT("\\"));
 113     icon_ids.Add(wxFileIconsTable::computer);
 114 #elif defined(__WIN32__)
 115     wxChar driveBuffer[256];
 116     size_t n = (size_t) GetLogicalDriveStrings(255, driveBuffer);
 117     size_t i = 0;
 118     while (i < n)
 119     {
 120         wxString path, name;
 121         path.Printf(wxT("%c:\\"), driveBuffer[i]);
 122         name.Printf(wxT("%c:"), driveBuffer[i]);
 123
 124         int imageId;
 125         int driveType = ::GetDriveType(path);
 126         switch (driveType)
 127         {
 128             case DRIVE_REMOVABLE:
 129                 if (path == wxT("a:\\") || path == wxT("b:\\"))
 130                     imageId = wxFileIconsTable::floppy;
 131                 else
 132                     imageId = wxFileIconsTable::removeable;
 133                 break;
 134             case DRIVE_CDROM:
 135                 imageId = wxFileIconsTable::cdrom;
 136                 break;
 137             case DRIVE_REMOTE:
 138             case DRIVE_FIXED:
 139             default:
 140                 imageId = wxFileIconsTable::drive;
 141                 break;
 142         }
 143
 144         paths.Add(path);
 145         names.Add(name);
 146         icon_ids.Add(imageId);
 147
 148         while (driveBuffer[i] != wxT('\0'))
 149             i ++;
 150         i ++;
 151         if (driveBuffer[i] == wxT('\0'))
 152             break;
 153     }
 154 #elif defined(__OS2__)
 155     APIRET rc;
 156     ULONG ulDriveNum = 0;
 157     ULONG ulDriveMap = 0;
 158     rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
 159     if ( rc == 0)
 160     {
 161         size_t i = 0;
 162         while (i < 26)
 163         {
 164             if (ulDriveMap & ( 1 << i ))
 165             {
 166                 wxString path, name;
 167                 path.Printf(wxT("%c:\\"), 'A' + i);
 168                 name.Printf(wxT("%c:"), 'A' + i);
 169
 170                 int imageId;
 171                 if (path == wxT("A:\\") || path == wxT("B:\\"))
 172                     imageId = wxFileIconsTable::floppy;
 173                 else
 174                     imageId = wxFileIconsTable::drive;
 175                 paths.Add(path);
 176                 names.Add(name);
 177                 icon_ids.Add(imageId);
 178             }
 179             i ++;
 180         }
 181     }
 182 #else // !__WIN32__, !__OS2__
 183     int drive;
 184
 185     /* If we can switch to the drive, it exists. */
 186     for( drive = 1; drive <= 26; drive++ )
 187     {
 188         wxString path, name;
 189         path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
 190         name.Printf(wxT("%c:"), (char) (drive + 'A' - 1));
 191
 192         if (wxIsDriveAvailable(path))
 193         {
 194             paths.Add(path);
 195             names.Add(name);
 196             icon_ids.Add((drive <= 2) ? wxFileIconsTable::floppy : wxFileIconsTable::drive);
 197         }
 198     }
 199 #endif // __WIN32__/!__WIN32__
 200
 201 #elif defined(__WXMAC__)
 202
 203     ItemCount volumeIndex = 1;
 204     OSErr err = noErr ;
 205
 206     while( noErr == err )
 207     {
 208         HFSUniStr255 volumeName ;
 209         FSRef fsRef ;
 210         FSVolumeInfo volumeInfo ;
 211         err = FSGetVolumeInfo(0, volumeIndex, NULL, kFSVolInfoFlags , &volumeInfo , &volumeName, &fsRef);
 212         if( noErr == err )
 213         {
 214             wxString path = wxMacFSRefToPath( &fsRef ) ;
 215             wxString name = wxMacHFSUniStrToString( &volumeName ) ;
 216
 217             if ( (volumeInfo.flags & kFSVolFlagSoftwareLockedMask) || (volumeInfo.flags & kFSVolFlagHardwareLockedMask) )
 218             {
 219                 icon_ids.Add(wxFileIconsTable::cdrom);
 220             }
 221             else
 222             {
 223                 icon_ids.Add(wxFileIconsTable::drive);
 224             }
 225             // todo other removable
 226
 227             paths.Add(path);
 228             names.Add(name);
 229             volumeIndex++ ;
 230         }
 231     }
 232
 233 #elif defined(__UNIX__)
 234     paths.Add(wxT("/"));
 235     names.Add(wxT("/"));
 236     icon_ids.Add(wxFileIconsTable::computer);
 237 #else
 238     #error "Unsupported platform in wxGenericDirCtrl!"
 239 #endif
 240     wxASSERT_MSG( (paths.GetCount() == names.GetCount()), wxT("The number of paths and their human readable names should be equal in number."));
 241     wxASSERT_MSG( (paths.GetCount() == icon_ids.GetCount()), wxT("Wrong number of icons for available drives."));
 242     return paths.GetCount();
 243 }
 244
 245 // ----------------------------------------------------------------------------
 246 // wxIsDriveAvailable
 247 // ----------------------------------------------------------------------------
 248
 249 #if defined(__DOS__)
 250
 251 bool wxIsDriveAvailable(const wxString& dirName)
 252 {
 253     // FIXME_MGL - this method leads to hang up under Watcom for some reason
 254 #ifndef __WATCOMC__
 255     if ( dirName.Len() == 3 && dirName[1u] == wxT(':') )
 256     {
 257         wxString dirNameLower(dirName.Lower());
 258         // VS: always return true for removable media, since Win95 doesn't
 259         //     like it when MS-DOS app accesses empty floppy drive
 260         return (dirNameLower[0u] == wxT('a') ||
 261                 dirNameLower[0u] == wxT('b') ||
 262                 wxPathExists(dirNameLower));
 263     }
 264     else
 265 #endif
 266         return true;
 267 }
 268
 269 #elif defined(__WINDOWS__) || defined(__OS2__)
 270
 271 int setdrive(int drive)
 272 {
 273 #ifdef __WXWINCE__
 274     wxUnusedVar(drive);
 275     return 0;
 276 #elif defined(__GNUWIN32__) && \
 277     (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 278     return _chdrive(drive);
 279 #else
 280     wxChar  newdrive[4];
 281
 282     if (drive < 1 || drive > 31)
 283         return -1;
 284     newdrive[0] = (wxChar)(wxT('A') + drive - 1);
 285     newdrive[1] = wxT(':');
 286 #ifdef __OS2__
 287     newdrive[2] = wxT('\\');
 288     newdrive[3] = wxT('\0');
 289 #else
 290     newdrive[2] = wxT('\0');
 291 #endif
 292 #if defined(__WXMSW__)
 293     if (::SetCurrentDirectory(newdrive))
 294 #else
 295     // VA doesn't know what LPSTR is and has its own set
 296     if (!DosSetCurrentDir((PSZ)newdrive))
 297 #endif
 298         return 0;
 299     else
 300         return -1;
 301 #endif // !GNUWIN32
 302 }
 303
 304 bool wxIsDriveAvailable(const wxString& dirName)
 305 {
 306 #ifdef __WXWINCE__
 307     wxUnusedVar(dirName);
 308     return false;
 309 #else
 310 #ifdef __WIN32__
 311     UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
 312 #endif
 313     bool success = true;
 314
 315     // Check if this is a root directory and if so,
 316     // whether the drive is available.
 317     if (dirName.Len() == 3 && dirName[(size_t)1] == wxT(':'))
 318     {
 319         wxString dirNameLower(dirName.Lower());
 320 #if defined(__GNUWIN32__) && !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 321         success = wxPathExists(dirNameLower);
 322 #else
 323         #if defined(__OS2__)
 324         // Avoid changing to drive since no media may be inserted.
 325         if (dirNameLower[(size_t)0] == 'a' || dirNameLower[(size_t)0] == 'b')
 326             return success;
 327         #endif
 328         int currentDrive = _getdrive();
 329         int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
 330         int err = setdrive( thisDrive ) ;
 331         setdrive( currentDrive );
 332
 333         if (err == -1)
 334         {
 335             success = false;
 336         }
 337 #endif
 338     }
 339 #ifdef __WIN32__
 340     (void) SetErrorMode(errorMode);
 341 #endif
 342
 343     return success;
 344 #endif
 345 }
 346 #endif // __WINDOWS__ || __OS2__
 347
 348 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG
 349
 350
 351
 352 #if wxUSE_DIRDLG
 353
 354 // Function which is called by quick sort. We want to override the default wxArrayString behaviour,
 355 // and sort regardless of case.
 356 static int wxCMPFUNC_CONV wxDirCtrlStringCompareFunction(const wxString& strFirst, const wxString& strSecond)
 357 {
 358     return strFirst.CmpNoCase(strSecond);
 359 }
 360
 361 //-----------------------------------------------------------------------------
 362 // wxDirItemData
 363 //-----------------------------------------------------------------------------
 364
 365 wxDirItemData::wxDirItemData(const wxString& path, const wxString& name,
 366                              bool isDir)
 367 {
 368     m_path = path;
 369     m_name = name;
 370     /* Insert logic to detect hidden files here
 371      * In UnixLand we just check whether the first char is a dot
 372      * For FileNameFromPath read LastDirNameInThisPath ;-) */
 373     // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
 374     m_isHidden = false;
 375     m_isExpanded = false;
 376     m_isDir = isDir;
 377 }
 378
 379 void wxDirItemData::SetNewDirName(const wxString& path)
 380 {
 381     m_path = path;
 382     m_name = wxFileNameFromPath(path);
 383 }
 384
 385 bool wxDirItemData::HasSubDirs() const
 386 {
 387     if (m_path.empty())
 388         return false;
 389
 390     wxDir dir;
 391     {
 392         wxLogNull nolog;
 393         if ( !dir.Open(m_path) )
 394             return false;
 395     }
 396
 397     return dir.HasSubDirs();
 398 }
 399
 400 bool wxDirItemData::HasFiles(const wxString& WXUNUSED(spec)) const
 401 {
 402     if (m_path.empty())
 403         return false;
 404
 405     wxDir dir;
 406     {
 407         wxLogNull nolog;
 408         if ( !dir.Open(m_path) )
 409             return false;
 410     }
 411
 412     return dir.HasFiles();
 413 }
 414
 415 //-----------------------------------------------------------------------------
 416 // wxGenericDirCtrl
 417 //-----------------------------------------------------------------------------
 418
 419
 420 #if wxUSE_EXTENDED_RTTI
 421 WX_DEFINE_FLAGS( wxGenericDirCtrlStyle )
 422
 423 wxBEGIN_FLAGS( wxGenericDirCtrlStyle )
 424     // new style border flags, we put them first to
 425     // use them for streaming out
 426     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
 427     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
 428     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
 429     wxFLAGS_MEMBER(wxBORDER_RAISED)
 430     wxFLAGS_MEMBER(wxBORDER_STATIC)
 431     wxFLAGS_MEMBER(wxBORDER_NONE)
 432
 433     // old style border flags
 434     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
 435     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
 436     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
 437     wxFLAGS_MEMBER(wxRAISED_BORDER)
 438     wxFLAGS_MEMBER(wxSTATIC_BORDER)
 439     wxFLAGS_MEMBER(wxBORDER)
 440
 441     // standard window styles
 442     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 443     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 444     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 445     wxFLAGS_MEMBER(wxWANTS_CHARS)
 446     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
 447     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 448     wxFLAGS_MEMBER(wxVSCROLL)
 449     wxFLAGS_MEMBER(wxHSCROLL)
 450
 451     wxFLAGS_MEMBER(wxDIRCTRL_DIR_ONLY)
 452     wxFLAGS_MEMBER(wxDIRCTRL_3D_INTERNAL)
 453     wxFLAGS_MEMBER(wxDIRCTRL_SELECT_FIRST)
 454     wxFLAGS_MEMBER(wxDIRCTRL_SHOW_FILTERS)
 455
 456 wxEND_FLAGS( wxGenericDirCtrlStyle )
 457
 458 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGenericDirCtrl, wxControl,"wx/dirctrl.h")
 459
 460 wxBEGIN_PROPERTIES_TABLE(wxGenericDirCtrl)
 461     wxHIDE_PROPERTY( Children )
 462     wxPROPERTY( DefaultPath , wxString , SetDefaultPath , GetDefaultPath  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 463     wxPROPERTY( Filter , wxString , SetFilter , GetFilter  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 464     wxPROPERTY( DefaultFilter , int , SetFilterIndex, GetFilterIndex, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 465     wxPROPERTY_FLAGS( WindowStyle, wxGenericDirCtrlStyle, long, SetWindowStyleFlag, GetWindowStyleFlag, EMPTY_MACROVALUE , 0, wxT("Helpstring"), wxT("group") )
 466 wxEND_PROPERTIES_TABLE()
 467
 468 wxBEGIN_HANDLERS_TABLE(wxGenericDirCtrl)
 469 wxEND_HANDLERS_TABLE()
 470
 471 wxCONSTRUCTOR_8( wxGenericDirCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , DefaultPath ,
 472                  wxPoint , Position , wxSize , Size , long , WindowStyle , wxString , Filter , int , DefaultFilter )
 473 #else
 474 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
 475 #endif
 476
 477 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
 478   EVT_TREE_ITEM_EXPANDING     (wxID_TREECTRL, wxGenericDirCtrl::OnExpandItem)
 479   EVT_TREE_ITEM_COLLAPSED     (wxID_TREECTRL, wxGenericDirCtrl::OnCollapseItem)
 480   EVT_TREE_BEGIN_LABEL_EDIT   (wxID_TREECTRL, wxGenericDirCtrl::OnBeginEditItem)
 481   EVT_TREE_END_LABEL_EDIT     (wxID_TREECTRL, wxGenericDirCtrl::OnEndEditItem)
 482   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 483 END_EVENT_TABLE()
 484
 485 wxGenericDirCtrl::wxGenericDirCtrl(void)
 486 {
 487     Init();
 488 }
 489
 490 bool wxGenericDirCtrl::Create(wxWindow *parent,
 491                               const wxWindowID id,
 492                               const wxString& dir,
 493                               const wxPoint& pos,
 494                               const wxSize& size,
 495                               long style,
 496                               const wxString& filter,
 497                               int defaultFilter,
 498                               const wxString& name)
 499 {
 500     if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
 501         return false;
 502
 503     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 504
 505     Init();
 506
 507     long treeStyle = wxTR_HAS_BUTTONS | wxTR_HIDE_ROOT;
 508
 509 #ifdef __WXGTK20__
 510     treeStyle |= wxTR_NO_LINES;
 511 #endif
 512
 513     if (style & wxDIRCTRL_EDIT_LABELS)
 514         treeStyle |= wxTR_EDIT_LABELS;
 515
 516     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 517         treeStyle |= wxNO_BORDER;
 518     else
 519         treeStyle |= wxBORDER_SUNKEN;
 520
 521     long filterStyle = 0;
 522     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 523         filterStyle |= wxNO_BORDER;
 524     else
 525         filterStyle |= wxBORDER_SUNKEN;
 526
 527     m_treeCtrl = CreateTreeCtrl(this, wxID_TREECTRL,
 528                                 wxPoint(0,0), GetClientSize(), treeStyle);
 529
 530     if (!filter.empty() && (style & wxDIRCTRL_SHOW_FILTERS))
 531         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
 532
 533     m_defaultPath = dir;
 534     m_filter = filter;
 535
 536     SetFilterIndex(defaultFilter);
 537
 538     if (m_filterListCtrl)
 539         m_filterListCtrl->FillFilterList(filter, defaultFilter);
 540
 541     m_treeCtrl->SetImageList(wxTheFileIconsTable->GetSmallImageList());
 542
 543     m_showHidden = false;
 544     wxDirItemData* rootData = new wxDirItemData(wxEmptyString, wxEmptyString, true);
 545
 546     wxString rootName;
 547
 548 #if defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__)
 549     rootName = _("Computer");
 550 #else
 551     rootName = _("Sections");
 552 #endif
 553
 554     m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
 555     m_treeCtrl->SetItemHasChildren(m_rootId);
 556     ExpandDir(m_rootId); // automatically expand first level
 557
 558     // Expand and select the default path
 559     if (!m_defaultPath.empty())
 560     {
 561         ExpandPath(m_defaultPath);
 562     }
 563 #ifdef __UNIX__
 564     else
 565     {
 566         // On Unix, there's only one node under the (hidden) root node. It
 567         // represents the / path, so the user would always have to expand it;
 568         // let's do it ourselves
 569         ExpandPath( wxT("/") );
 570     }
 571 #endif
 572
 573     SetBestSize(size);
 574     DoResize();
 575
 576     return true;
 577 }
 578
 579 wxGenericDirCtrl::~wxGenericDirCtrl()
 580 {
 581 }
 582
 583 void wxGenericDirCtrl::Init()
 584 {
 585     m_showHidden = false;
 586     m_currentFilter = 0;
 587     m_currentFilterStr = wxEmptyString; // Default: any file
 588     m_treeCtrl = NULL;
 589     m_filterListCtrl = NULL;
 590 }
 591
 592 wxTreeCtrl* wxGenericDirCtrl::CreateTreeCtrl(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long treeStyle)
 593 {
 594     return new wxTreeCtrl(parent, id, pos, size, treeStyle);
 595 }
 596
 597 void wxGenericDirCtrl::ShowHidden( bool show )
 598 {
 599     m_showHidden = show;
 600
 601     wxString path = GetPath();
 602     ReCreateTree();
 603     SetPath(path);
 604 }
 605
 606 const wxTreeItemId
 607 wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
 608 {
 609     wxDirItemData *dir_item = new wxDirItemData(path,name,true);
 610
 611     wxTreeItemId id = AppendItem( m_rootId, name, imageId, -1, dir_item);
 612
 613     m_treeCtrl->SetItemHasChildren(id);
 614
 615     return id;
 616 }
 617
 618 void wxGenericDirCtrl::SetupSections()
 619 {
 620     wxArrayString paths, names;
 621     wxArrayInt icons;
 622
 623     size_t n, count = wxGetAvailableDrives(paths, names, icons);
 624
 625 #ifdef __WXGTK20__
 626     wxString home = wxGetHomeDir();
 627     AddSection( home, _("Home directory"), 1);
 628     home += wxT("/Desktop");
 629     AddSection( home, _("Desktop"), 1);
 630 #endif
 631
 632     for (n = 0; n < count; n++)
 633         AddSection(paths[n], names[n], icons[n]);
 634 }
 635
 636 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 637 {
 638     // don't rename the main entry "Sections"
 639     if (event.GetItem() == m_rootId)
 640     {
 641         event.Veto();
 642         return;
 643     }
 644
 645     // don't rename the individual sections
 646     if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
 647     {
 648         event.Veto();
 649         return;
 650     }
 651 }
 652
 653 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
 654 {
 655     if ((event.GetLabel().empty()) ||
 656         (event.GetLabel() == _(".")) ||
 657         (event.GetLabel() == _("..")) ||
 658         (event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
 659         (event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
 660         (event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
 661     {
 662         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 663         dialog.ShowModal();
 664         event.Veto();
 665         return;
 666     }
 667
 668     wxTreeItemId id = event.GetItem();
 669     wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
 670     wxASSERT( data );
 671
 672     wxString new_name( wxPathOnly( data->m_path ) );
 673     new_name += wxString(wxFILE_SEP_PATH);
 674     new_name += event.GetLabel();
 675
 676     wxLogNull log;
 677
 678     if (wxFileExists(new_name))
 679     {
 680         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 681         dialog.ShowModal();
 682         event.Veto();
 683     }
 684
 685     if (wxRenameFile(data->m_path,new_name))
 686     {
 687         data->SetNewDirName( new_name );
 688     }
 689     else
 690     {
 691         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 692         dialog.ShowModal();
 693         event.Veto();
 694     }
 695 }
 696
 697 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 698 {
 699     wxTreeItemId parentId = event.GetItem();
 700
 701     // VS: this is needed because the event handler is called from wxTreeCtrl
 702     //     ctor when wxTR_HIDE_ROOT was specified
 703
 704     if (!m_rootId.IsOk())
 705
 706         m_rootId = m_treeCtrl->GetRootItem();
 707
 708     ExpandDir(parentId);
 709 }
 710
 711 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
 712 {
 713     CollapseDir(event.GetItem());
 714 }
 715
 716 void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
 717 {
 718     wxTreeItemId child;
 719
 720     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 721     if (!data->m_isExpanded)
 722         return;
 723
 724     data->m_isExpanded = false;
 725     wxTreeItemIdValue cookie;
 726     /* Workaround because DeleteChildren has disapeared (why?) and
 727      * CollapseAndReset doesn't work as advertised (deletes parent too) */
 728     child = m_treeCtrl->GetFirstChild(parentId, cookie);
 729     while (child.IsOk())
 730     {
 731         m_treeCtrl->Delete(child);
 732         /* Not GetNextChild below, because the cookie mechanism can't
 733          * handle disappearing children! */
 734         child = m_treeCtrl->GetFirstChild(parentId, cookie);
 735     }
 736 }
 737
 738 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 739 {
 740     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 741
 742     if (data->m_isExpanded)
 743         return;
 744
 745     data->m_isExpanded = true;
 746
 747     if (parentId == m_treeCtrl->GetRootItem())
 748     {
 749         SetupSections();
 750         return;
 751     }
 752
 753     wxASSERT(data);
 754
 755     wxString search,path,filename;
 756
 757     wxString dirName(data->m_path);
 758
 759 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 760     // Check if this is a root directory and if so,
 761     // whether the drive is avaiable.
 762     if (!wxIsDriveAvailable(dirName))
 763     {
 764         data->m_isExpanded = false;
 765         //wxMessageBox(wxT("Sorry, this drive is not available."));
 766         return;
 767     }
 768 #endif
 769
 770     // This may take a longish time. Go to busy cursor
 771     wxBusyCursor busy;
 772
 773 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 774     if (dirName.Last() == ':')
 775         dirName += wxString(wxFILE_SEP_PATH);
 776 #endif
 777
 778     wxArrayString dirs;
 779     wxArrayString filenames;
 780
 781     wxDir d;
 782     wxString eachFilename;
 783
 784     wxLogNull log;
 785     d.Open(dirName);
 786
 787     if (d.IsOpened())
 788     {
 789         int style = wxDIR_DIRS;
 790         if (m_showHidden) style |= wxDIR_HIDDEN;
 791         if (d.GetFirst(& eachFilename, wxEmptyString, style))
 792         {
 793             do
 794             {
 795                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 796                 {
 797                     dirs.Add(eachFilename);
 798                 }
 799             }
 800             while (d.GetNext(&eachFilename));
 801         }
 802     }
 803     dirs.Sort(wxDirCtrlStringCompareFunction);
 804
 805     // Now do the filenames -- but only if we're allowed to
 806     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 807     {
 808         wxLogNull log;
 809
 810         d.Open(dirName);
 811
 812         if (d.IsOpened())
 813         {
 814             int style = wxDIR_FILES;
 815             if (m_showHidden) style |= wxDIR_HIDDEN;
 816             // Process each filter (ex: "JPEG Files (*.jpg;*.jpeg)|*.jpg;*.jpeg")
 817             wxStringTokenizer strTok;
 818             wxString curFilter;
 819             strTok.SetString(m_currentFilterStr,wxT(";"));
 820             while(strTok.HasMoreTokens())
 821             {
 822                 curFilter = strTok.GetNextToken();
 823                 if (d.GetFirst(& eachFilename, curFilter, style))
 824                 {
 825                     do
 826                     {
 827                         if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 828                         {
 829                             filenames.Add(eachFilename);
 830                         }
 831                     }
 832                     while (d.GetNext(& eachFilename));
 833                 }
 834             }
 835         }
 836         filenames.Sort(wxDirCtrlStringCompareFunction);
 837     }
 838
 839     // Add the sorted dirs
 840     size_t i;
 841     for (i = 0; i < dirs.Count(); i++)
 842     {
 843         wxString eachFilename(dirs[i]);
 844         path = dirName;
 845         if (!wxEndsWithPathSeparator(path))
 846             path += wxString(wxFILE_SEP_PATH);
 847         path += eachFilename;
 848
 849         wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,true);
 850         wxTreeItemId id = AppendItem( parentId, eachFilename,
 851                                       wxFileIconsTable::folder, -1, dir_item);
 852         m_treeCtrl->SetItemImage( id, wxFileIconsTable::folder_open,
 853                                   wxTreeItemIcon_Expanded );
 854
 855         // Has this got any children? If so, make it expandable.
 856         // (There are two situations when a dir has children: either it
 857         // has subdirectories or it contains files that weren't filtered
 858         // out. The latter only applies to dirctrl with files.)
 859         if ( dir_item->HasSubDirs() ||
 860              (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
 861                dir_item->HasFiles(m_currentFilterStr)) )
 862         {
 863             m_treeCtrl->SetItemHasChildren(id);
 864         }
 865     }
 866
 867     // Add the sorted filenames
 868     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 869     {
 870         for (i = 0; i < filenames.Count(); i++)
 871         {
 872             wxString eachFilename(filenames[i]);
 873             path = dirName;
 874             if (!wxEndsWithPathSeparator(path))
 875                 path += wxString(wxFILE_SEP_PATH);
 876             path += eachFilename;
 877             //path = dirName + wxString(wxT("/")) + eachFilename;
 878             wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,false);
 879             int image_id = wxFileIconsTable::file;
 880             if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
 881                 image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
 882             (void) AppendItem( parentId, eachFilename, image_id, -1, dir_item);
 883         }
 884     }
 885 }
 886
 887 void wxGenericDirCtrl::ReCreateTree()
 888 {
 889     CollapseDir(m_treeCtrl->GetRootItem());
 890     ExpandDir(m_treeCtrl->GetRootItem());
 891 }
 892
 893 // Find the child that matches the first part of 'path'.
 894 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
 895 // then the child for /usr is returned.
 896 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
 897 {
 898     wxString path2(path);
 899
 900     // Make sure all separators are as per the current platform
 901     path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
 902     path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
 903
 904     // Append a separator to foil bogus substring matching
 905     path2 += wxString(wxFILE_SEP_PATH);
 906
 907     // In MSW or PM, case is not significant
 908 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 909     path2.MakeLower();
 910 #endif
 911
 912     wxTreeItemIdValue cookie;
 913     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
 914     while (childId.IsOk())
 915     {
 916         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 917
 918         if (data && !data->m_path.empty())
 919         {
 920             wxString childPath(data->m_path);
 921             if (!wxEndsWithPathSeparator(childPath))
 922                 childPath += wxString(wxFILE_SEP_PATH);
 923
 924             // In MSW and PM, case is not significant
 925 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 926             childPath.MakeLower();
 927 #endif
 928
 929             if (childPath.Len() <= path2.Len())
 930             {
 931                 wxString path3 = path2.Mid(0, childPath.Len());
 932                 if (childPath == path3)
 933                 {
 934                     if (path3.Len() == path2.Len())
 935                         done = true;
 936                     else
 937                         done = false;
 938                     return childId;
 939                 }
 940             }
 941         }
 942
 943         childId = m_treeCtrl->GetNextChild(parentId, cookie);
 944     }
 945     wxTreeItemId invalid;
 946     return invalid;
 947 }
 948
 949 // Try to expand as much of the given path as possible,
 950 // and select the given tree item.
 951 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
 952 {
 953     bool done = false;
 954     wxTreeItemId id = FindChild(m_rootId, path, done);
 955     wxTreeItemId lastId = id; // The last non-zero id
 956     while (id.IsOk() && !done)
 957     {
 958         ExpandDir(id);
 959
 960         id = FindChild(id, path, done);
 961         if (id.IsOk())
 962             lastId = id;
 963     }
 964     if (lastId.IsOk())
 965     {
 966         wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
 967         if (data->m_isDir)
 968         {
 969             m_treeCtrl->Expand(lastId);
 970         }
 971         if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
 972         {
 973             // Find the first file in this directory
 974             wxTreeItemIdValue cookie;
 975             wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
 976             bool selectedChild = false;
 977             while (childId.IsOk())
 978             {
 979                 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 980
 981                 if (data && data->m_path != wxEmptyString && !data->m_isDir)
 982                 {
 983                     m_treeCtrl->SelectItem(childId);
 984                     m_treeCtrl->EnsureVisible(childId);
 985                     selectedChild = true;
 986                     break;
 987                 }
 988                 childId = m_treeCtrl->GetNextChild(lastId, cookie);
 989             }
 990             if (!selectedChild)
 991             {
 992                 m_treeCtrl->SelectItem(lastId);
 993                 m_treeCtrl->EnsureVisible(lastId);
 994             }
 995         }
 996         else
 997         {
 998             m_treeCtrl->SelectItem(lastId);
 999             m_treeCtrl->EnsureVisible(lastId);
1000         }
1001
1002         return true;
1003     }
1004     else
1005         return false;
1006 }
1007
1008 wxString wxGenericDirCtrl::GetPath() const
1009 {
1010     wxTreeItemId id = m_treeCtrl->GetSelection();
1011     if (id)
1012     {
1013         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1014         return data->m_path;
1015     }
1016     else
1017         return wxEmptyString;
1018 }
1019
1020 wxString wxGenericDirCtrl::GetFilePath() const
1021 {
1022     wxTreeItemId id = m_treeCtrl->GetSelection();
1023     if (id)
1024     {
1025         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1026         if (data->m_isDir)
1027             return wxEmptyString;
1028         else
1029             return data->m_path;
1030     }
1031     else
1032         return wxEmptyString;
1033 }
1034
1035 void wxGenericDirCtrl::SetPath(const wxString& path)
1036 {
1037     m_defaultPath = path;
1038     if (m_rootId)
1039         ExpandPath(path);
1040 }
1041
1042 // Not used
1043 #if 0
1044 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1045 {
1046     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1047
1048     // This may take a longish time. Go to busy cursor
1049     wxBusyCursor busy;
1050
1051     wxASSERT(data);
1052
1053     wxString search,path,filename;
1054
1055     wxString dirName(data->m_path);
1056
1057 #if defined(__WXMSW__) || defined(__OS2__)
1058     if (dirName.Last() == ':')
1059         dirName += wxString(wxFILE_SEP_PATH);
1060 #endif
1061
1062     wxDir d;
1063     wxString eachFilename;
1064
1065     wxLogNull log;
1066     d.Open(dirName);
1067
1068     if (d.IsOpened())
1069     {
1070         if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1071         {
1072             do
1073             {
1074                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1075                 {
1076                     filenames.Add(eachFilename);
1077                 }
1078             }
1079             while (d.GetNext(& eachFilename)) ;
1080         }
1081     }
1082 }
1083 #endif
1084
1085 void wxGenericDirCtrl::SetFilterIndex(int n)
1086 {
1087     m_currentFilter = n;
1088
1089     wxString f, d;
1090     if (ExtractWildcard(m_filter, n, f, d))
1091         m_currentFilterStr = f;
1092     else
1093         m_currentFilterStr = wxT("*.*");
1094 }
1095
1096 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1097 {
1098     m_filter = filter;
1099
1100     wxString f, d;
1101     if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1102         m_currentFilterStr = f;
1103     else
1104         m_currentFilterStr = wxT("*.*");
1105 }
1106
1107 // Extract description and actual filter from overall filter string
1108 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1109 {
1110     wxArrayString filters, descriptions;
1111     int count = wxParseCommonDialogsFilter(filterStr, descriptions, filters);
1112     if (count > 0 && n < count)
1113     {
1114         filter = filters[n];
1115         description = descriptions[n];
1116         return true;
1117     }
1118
1119     return false;
1120 }
1121
1122 #if WXWIN_COMPATIBILITY_2_4
1123 // Parses the global filter, returning the number of filters.
1124 // Returns 0 if none or if there's a problem.
1125 // filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
1126 int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
1127 {
1128     return wxParseCommonDialogsFilter(filterStr, descriptions, filters );
1129 }
1130 #endif // WXWIN_COMPATIBILITY_2_4
1131
1132 void wxGenericDirCtrl::DoResize()
1133 {
1134     wxSize sz = GetClientSize();
1135     int verticalSpacing = 3;
1136     if (m_treeCtrl)
1137     {
1138         wxSize filterSz ;
1139         if (m_filterListCtrl)
1140         {
1141 #ifdef __WXMSW__
1142             // For some reason, this is required in order for the
1143             // correct control height to always be returned, rather
1144             // than the drop-down list height which is sometimes returned.
1145             wxSize oldSize = m_filterListCtrl->GetSize();
1146             m_filterListCtrl->SetSize(wxDefaultCoord,
1147                                       wxDefaultCoord,
1148                                       oldSize.x+10,
1149                                       wxDefaultCoord,
1150                                       wxSIZE_USE_EXISTING);
1151             m_filterListCtrl->SetSize(wxDefaultCoord,
1152                                       wxDefaultCoord,
1153                                       oldSize.x,
1154                                       wxDefaultCoord,
1155                                       wxSIZE_USE_EXISTING);
1156 #endif
1157             filterSz = m_filterListCtrl->GetSize();
1158             sz.y -= (filterSz.y + verticalSpacing);
1159         }
1160         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1161         if (m_filterListCtrl)
1162         {
1163             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1164             // Don't know why, but this needs refreshing after a resize (wxMSW)
1165             m_filterListCtrl->Refresh();
1166         }
1167     }
1168 }
1169
1170
1171 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1172 {
1173     DoResize();
1174 }
1175
1176 wxTreeItemId wxGenericDirCtrl::AppendItem (const wxTreeItemId & parent,
1177                                            const wxString & text,
1178                                            int image, int selectedImage,
1179                                            wxTreeItemData * data)
1180 {
1181   wxTreeCtrl *treeCtrl = GetTreeCtrl ();
1182
1183   wxASSERT (treeCtrl);
1184
1185   if (treeCtrl)
1186   {
1187     return treeCtrl->AppendItem (parent, text, image, selectedImage, data);
1188   }
1189   else
1190   {
1191     return wxTreeItemId();
1192   }
1193 }
1194
1195
1196 //-----------------------------------------------------------------------------
1197 // wxDirFilterListCtrl
1198 //-----------------------------------------------------------------------------
1199
1200 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1201
1202 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1203     EVT_CHOICE(wxID_ANY, wxDirFilterListCtrl::OnSelFilter)
1204 END_EVENT_TABLE()
1205
1206 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1207               const wxPoint& pos,
1208               const wxSize& size,
1209               long style)
1210 {
1211     m_dirCtrl = parent;
1212     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1213 }
1214
1215 void wxDirFilterListCtrl::Init()
1216 {
1217     m_dirCtrl = NULL;
1218 }
1219
1220 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1221 {
1222     int sel = GetSelection();
1223
1224     wxString currentPath = m_dirCtrl->GetPath();
1225
1226     m_dirCtrl->SetFilterIndex(sel);
1227
1228     // If the filter has changed, the view is out of date, so
1229     // collapse the tree.
1230     m_dirCtrl->ReCreateTree();
1231
1232     // Try to restore the selection, or at least the directory
1233     m_dirCtrl->ExpandPath(currentPath);
1234 }
1235
1236 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1237 {
1238     Clear();
1239     wxArrayString descriptions, filters;
1240     size_t n = (size_t) wxParseCommonDialogsFilter(filter, descriptions, filters);
1241
1242     if (n > 0 && defaultFilter < (int) n)
1243     {
1244         for (size_t i = 0; i < n; i++)
1245             Append(descriptions[i]);
1246         SetSelection(defaultFilter);
1247     }
1248 }
1249 #endif // wxUSE_DIRDLG
1250
1251 #if wxUSE_DIRDLG || wxUSE_FILEDLG
1252
1253 // ----------------------------------------------------------------------------
1254 // wxFileIconsTable icons
1255 // ----------------------------------------------------------------------------
1256
1257 #ifndef __WXGTK24__
1258 /* Computer */
1259 static const char * file_icons_tbl_computer_xpm[] = {
1260 "16 16 7 1",
1261 "     s None    c None",
1262 ".    c #808080",
1263 "X    c #c0c0c0",
1264 "o    c Black",
1265 "O    c Gray100",
1266 "+    c #008080",
1267 "@    c Blue",
1268 "    ........... ",
1269 "   .XXXXXXXXXX.o",
1270 "   .OOOOOOOOO..o",
1271 "   .OoooooooX..o",
1272 "   .Oo+...@+X..o",
1273 "   .Oo+XXX.+X..o",
1274 "   .Oo+....+X..o",
1275 "   .Oo++++++X..o",
1276 "   .OXXXXXXXX.oo",
1277 "   ..........o.o",
1278 "   ...........Xo",
1279 "   .XXXXXXXXXX.o",
1280 "  .o.o.o.o.o...o",
1281 " .oXoXoXoXoXo.o ",
1282 ".XOXXXXXXXXX.o  ",
1283 "............o   "};
1284 #endif // GTK+ < 2.4
1285
1286 // ----------------------------------------------------------------------------
1287 // wxFileIconsTable & friends
1288 // ----------------------------------------------------------------------------
1289
1290 // global instance of a wxFileIconsTable
1291 wxFileIconsTable* wxTheFileIconsTable = (wxFileIconsTable *)NULL;
1292
1293 // A module to allow icons table cleanup
1294
1295 class wxFileIconsTableModule: public wxModule
1296 {
1297 DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
1298 public:
1299     wxFileIconsTableModule() {}
1300     bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return true; }
1301     void OnExit()
1302     {
1303         if (wxTheFileIconsTable)
1304         {
1305             delete wxTheFileIconsTable;
1306             wxTheFileIconsTable = NULL;
1307         }
1308     }
1309 };
1310
1311 IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
1312
1313 class wxFileIconEntry : public wxObject
1314 {
1315 public:
1316     wxFileIconEntry(int i) { id = i; }
1317
1318     int id;
1319 };
1320
1321 wxFileIconsTable::wxFileIconsTable()
1322 {
1323     m_HashTable = NULL;
1324     m_smallImageList = NULL;
1325 }
1326
1327 wxFileIconsTable::~wxFileIconsTable()
1328 {
1329     if (m_HashTable)
1330     {
1331         WX_CLEAR_HASH_TABLE(*m_HashTable);
1332         delete m_HashTable;
1333     }
1334     if (m_smallImageList) delete m_smallImageList;
1335 }
1336
1337 // delayed initialization - wait until first use (wxArtProv not created yet)
1338 void wxFileIconsTable::Create()
1339 {
1340     wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
1341     m_HashTable = new wxHashTable(wxKEY_STRING);
1342     m_smallImageList = new wxImageList(16, 16);
1343
1344     // folder:
1345     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER,
1346                                                    wxART_CMN_DIALOG,
1347                                                    wxSize(16, 16)));
1348     // folder_open
1349     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER_OPEN,
1350                                                    wxART_CMN_DIALOG,
1351                                                    wxSize(16, 16)));
1352     // computer
1353 #ifdef __WXGTK24__
1354     // GTK24 uses this icon in the file open dialog
1355     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1356                                                    wxART_CMN_DIALOG,
1357                                                    wxSize(16, 16)));
1358 #else
1359     m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
1360 #endif
1361     // drive
1362     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1363                                                    wxART_CMN_DIALOG,
1364                                                    wxSize(16, 16)));
1365     // cdrom
1366     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_CDROM,
1367                                                    wxART_CMN_DIALOG,
1368                                                    wxSize(16, 16)));
1369     // floppy
1370     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FLOPPY,
1371                                                    wxART_CMN_DIALOG,
1372                                                    wxSize(16, 16)));
1373     // removeable
1374     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_REMOVABLE,
1375                                                    wxART_CMN_DIALOG,
1376                                                    wxSize(16, 16)));
1377     // file
1378     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE,
1379                                                    wxART_CMN_DIALOG,
1380                                                    wxSize(16, 16)));
1381     // executable
1382     if (GetIconID(wxEmptyString, _T("application/x-executable")) == file)
1383     {
1384         m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE,
1385                                                        wxART_CMN_DIALOG,
1386                                                        wxSize(16, 16)));
1387         delete m_HashTable->Get(_T("exe"));
1388         m_HashTable->Delete(_T("exe"));
1389         m_HashTable->Put(_T("exe"), new wxFileIconEntry(executable));
1390     }
1391     /* else put into list by GetIconID
1392        (KDE defines application/x-executable for *.exe and has nice icon)
1393      */
1394 }
1395
1396 wxImageList *wxFileIconsTable::GetSmallImageList()
1397 {
1398     if (!m_smallImageList)
1399         Create();
1400
1401     return m_smallImageList;
1402 }
1403
1404 #if wxUSE_MIMETYPE && wxUSE_IMAGE
1405 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
1406 //     one icon and we won't resize it
1407
1408 static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
1409 {
1410     const unsigned int size = 16;
1411
1412     wxImage smallimg (size, size);
1413     unsigned char *p1, *p2, *ps;
1414     unsigned char mr = img.GetMaskRed(),
1415                   mg = img.GetMaskGreen(),
1416                   mb = img.GetMaskBlue();
1417
1418     unsigned x, y;
1419     unsigned sr, sg, sb, smask;
1420
1421     p1 = img.GetData(), p2 = img.GetData() + 3 * size*2, ps = smallimg.GetData();
1422     smallimg.SetMaskColour(mr, mr, mr);
1423
1424     for (y = 0; y < size; y++)
1425     {
1426         for (x = 0; x < size; x++)
1427         {
1428             sr = sg = sb = smask = 0;
1429             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1430                 sr += p1[0], sg += p1[1], sb += p1[2];
1431             else smask++;
1432             p1 += 3;
1433             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1434                 sr += p1[0], sg += p1[1], sb += p1[2];
1435             else smask++;
1436             p1 += 3;
1437             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1438                 sr += p2[0], sg += p2[1], sb += p2[2];
1439             else smask++;
1440             p2 += 3;
1441             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1442                 sr += p2[0], sg += p2[1], sb += p2[2];
1443             else smask++;
1444             p2 += 3;
1445
1446             if (smask > 2)
1447                 ps[0] = ps[1] = ps[2] = mr;
1448             else
1449             {
1450                 ps[0] = (unsigned char)(sr >> 2);
1451                 ps[1] = (unsigned char)(sg >> 2);
1452                 ps[2] = (unsigned char)(sb >> 2);
1453             }
1454             ps += 3;
1455         }
1456         p1 += size*2 * 3, p2 += size*2 * 3;
1457     }
1458
1459     return wxBitmap(smallimg);
1460 }
1461
1462 // This function is currently not unused anymore
1463 #if 0
1464 // finds empty borders and return non-empty area of image:
1465 static wxImage CutEmptyBorders(const wxImage& img)
1466 {
1467     unsigned char mr = img.GetMaskRed(),
1468                   mg = img.GetMaskGreen(),
1469                   mb = img.GetMaskBlue();
1470     unsigned char *dt = img.GetData(), *dttmp;
1471     unsigned w = img.GetWidth(), h = img.GetHeight();
1472
1473     unsigned top, bottom, left, right, i;
1474     bool empt;
1475
1476 #define MK_DTTMP(x,y)      dttmp = dt + ((x + y * w) * 3)
1477 #define NOEMPTY_PIX(empt)  if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = false; break;}
1478
1479     for (empt = true, top = 0; empt && top < h; top++)
1480     {
1481         MK_DTTMP(0, top);
1482         for (i = 0; i < w; i++, dttmp+=3)
1483             NOEMPTY_PIX(empt)
1484     }
1485     for (empt = true, bottom = h-1; empt && bottom > top; bottom--)
1486     {
1487         MK_DTTMP(0, bottom);
1488         for (i = 0; i < w; i++, dttmp+=3)
1489             NOEMPTY_PIX(empt)
1490     }
1491     for (empt = true, left = 0; empt && left < w; left++)
1492     {
1493         MK_DTTMP(left, 0);
1494         for (i = 0; i < h; i++, dttmp+=3*w)
1495             NOEMPTY_PIX(empt)
1496     }
1497     for (empt = true, right = w-1; empt && right > left; right--)
1498     {
1499         MK_DTTMP(right, 0);
1500         for (i = 0; i < h; i++, dttmp+=3*w)
1501             NOEMPTY_PIX(empt)
1502     }
1503     top--, left--, bottom++, right++;
1504
1505     return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
1506 }
1507 #endif // #if 0
1508
1509 #endif // wxUSE_MIMETYPE
1510
1511 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
1512 {
1513     if (!m_smallImageList)
1514         Create();
1515
1516 #if wxUSE_MIMETYPE
1517     if (!extension.empty())
1518     {
1519         wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
1520         if (entry) return (entry -> id);
1521     }
1522
1523     wxFileType *ft = (mime.empty()) ?
1524                    wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
1525                    wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
1526
1527     wxIconLocation iconLoc;
1528     wxIcon ic;
1529
1530     {
1531         wxLogNull logNull;
1532         if ( ft && ft->GetIcon(&iconLoc) )
1533         {
1534             ic = wxIcon( iconLoc );
1535         }
1536     }
1537
1538     delete ft;
1539
1540     if ( !ic.Ok() )
1541     {
1542         int newid = file;
1543         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1544         return newid;
1545     }
1546
1547     wxBitmap bmp;
1548     bmp.CopyFromIcon(ic);
1549
1550     if ( !bmp.Ok() )
1551     {
1552         int newid = file;
1553         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1554         return newid;
1555     }
1556
1557     const unsigned int size = 16;
1558
1559     int id = m_smallImageList->GetImageCount();
1560     if ((bmp.GetWidth() == (int) size) && (bmp.GetHeight() == (int) size))
1561     {
1562         m_smallImageList->Add(bmp);
1563     }
1564 #if wxUSE_IMAGE
1565     else
1566     {
1567         wxImage img = bmp.ConvertToImage();
1568
1569         if ((img.GetWidth() != size*2) || (img.GetHeight() != size*2))
1570 //            m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(size*2, size*2)));
1571             m_smallImageList->Add(CreateAntialiasedBitmap(img.Rescale(size*2, size*2)));
1572         else
1573             m_smallImageList->Add(CreateAntialiasedBitmap(img));
1574     }
1575 #endif // wxUSE_IMAGE
1576
1577     m_HashTable->Put(extension, new wxFileIconEntry(id));
1578     return id;
1579
1580 #else // !wxUSE_MIMETYPE
1581
1582     wxUnusedVar(mime);
1583     if (extension == wxT("exe"))
1584         return executable;
1585     else
1586         return file;
1587 #endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
1588 }
1589
1590 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG