src/generic/dirctrlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/dirctrlg.cpp
   3 // Purpose:     wxGenericDirCtrl
   4 // Author:      Harm van der Heijden, Robert Roebling, Julian Smart
   5 // Modified by:
   6 // Created:     12/12/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Harm van der Heijden, Robert Roebling and Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #if wxUSE_DIRDLG || wxUSE_FILEDLG
  20
  21 #include "wx/generic/dirctrlg.h"
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/hash.h"
  25     #include "wx/intl.h"
  26     #include "wx/log.h"
  27     #include "wx/utils.h"
  28     #include "wx/button.h"
  29     #include "wx/icon.h"
  30     #include "wx/settings.h"
  31     #include "wx/msgdlg.h"
  32     #include "wx/cmndata.h"
  33     #include "wx/choice.h"
  34     #include "wx/textctrl.h"
  35     #include "wx/layout.h"
  36     #include "wx/sizer.h"
  37     #include "wx/textdlg.h"
  38     #include "wx/gdicmn.h"
  39     #include "wx/image.h"
  40     #include "wx/module.h"
  41 #endif
  42
  43 #include "wx/filefn.h"
  44 #include "wx/imaglist.h"
  45 #include "wx/tokenzr.h"
  46 #include "wx/dir.h"
  47 #include "wx/artprov.h"
  48 #include "wx/mimetype.h"
  49
  50 #if wxUSE_STATLINE
  51     #include "wx/statline.h"
  52 #endif
  53
  54 #if defined(__WXMAC__)
  55     #include  "wx/mac/private.h"  // includes mac headers
  56 #endif
  57
  58 #ifdef __WXMSW__
  59 #include <windows.h>
  60 #include "wx/msw/winundef.h"
  61 #include "wx/volume.h"
  62
  63 // FIXME - Mingw32 1.0 has both _getdrive() and _chdrive(). For now, let's assume
  64 //         older releases don't, but it should be verified and the checks modified
  65 //         accordingly.
  66 #if !defined(__GNUWIN32__) || (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
  67 #if !defined(__WXWINCE__)
  68     #include <direct.h>
  69 #endif
  70     #include <stdlib.h>
  71     #include <ctype.h>
  72 #endif
  73
  74 #endif
  75
  76 #if defined(__OS2__) || defined(__DOS__)
  77     #ifdef __OS2__
  78         #define INCL_BASE
  79         #include <os2.h>
  80         #ifndef __EMX__
  81             #include <direct.h>
  82         #endif
  83         #include <stdlib.h>
  84         #include <ctype.h>
  85     #endif
  86 #endif // __OS2__
  87
  88 #if defined(__WXMAC__)
  89     #include "MoreFilesX.h"
  90 #endif
  91
  92 #ifdef __BORLANDC__
  93     #include "dos.h"
  94 #endif
  95
  96 // If compiled under Windows, this macro can cause problems
  97 #ifdef GetFirstChild
  98 #undef GetFirstChild
  99 #endif
 100
 101 bool wxIsDriveAvailable(const wxString& dirName);
 102
 103 // ----------------------------------------------------------------------------
 104 // wxGetAvailableDrives, for WINDOWS, DOS, OS2, MAC, UNIX (returns "/")
 105 // ----------------------------------------------------------------------------
 106
 107 size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayInt &icon_ids)
 108 {
 109 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 110
 111 #ifdef __WXWINCE__
 112     // No logical drives; return "\"
 113     paths.Add(wxT("\\"));
 114     names.Add(wxT("\\"));
 115     icon_ids.Add(wxFileIconsTable::computer);
 116 #elif defined(__WIN32__) && wxUSE_FSVOLUME
 117     // TODO: this code (using wxFSVolumeBase) should be used for all platforms
 118     //       but unfortunately wxFSVolumeBase is not implemented everywhere
 119     const wxArrayString as = wxFSVolumeBase::GetVolumes();
 120
 121     for (size_t i = 0; i < as.GetCount(); i++)
 122     {
 123         wxString path = as[i];
 124         wxFSVolume vol(path);
 125         int imageId;
 126         switch (vol.GetKind())
 127         {
 128             case wxFS_VOL_FLOPPY:
 129                 if ( (path == wxT("a:\\")) || (path == wxT("b:\\")) )
 130                     imageId = wxFileIconsTable::floppy;
 131                 else
 132                     imageId = wxFileIconsTable::removeable;
 133                 break;
 134             case wxFS_VOL_DVDROM:
 135             case wxFS_VOL_CDROM:
 136                 imageId = wxFileIconsTable::cdrom;
 137                 break;
 138             case wxFS_VOL_NETWORK:
 139                 if (path[0] == wxT('\\'))
 140                     continue; // skip "\\computer\folder"
 141                 imageId = wxFileIconsTable::drive;
 142                 break;
 143             case wxFS_VOL_DISK:
 144             case wxFS_VOL_OTHER:
 145             default:
 146                 imageId = wxFileIconsTable::drive;
 147                 break;
 148         }
 149         paths.Add(path);
 150         names.Add(vol.GetDisplayName());
 151         icon_ids.Add(imageId);
 152     }
 153 #elif defined(__OS2__)
 154     APIRET rc;
 155     ULONG ulDriveNum = 0;
 156     ULONG ulDriveMap = 0;
 157     rc = ::DosQueryCurrentDisk(&ulDriveNum, &ulDriveMap);
 158     if ( rc == 0)
 159     {
 160         size_t i = 0;
 161         while (i < 26)
 162         {
 163             if (ulDriveMap & ( 1 << i ))
 164             {
 165                 wxString path, name;
 166                 path.Printf(wxT("%c:\\"), 'A' + i);
 167                 name.Printf(wxT("%c:"), 'A' + i);
 168
 169                 // Note: If _filesys is unsupported by some compilers,
 170                 //       we can always replace it by DosQueryFSAttach
 171                 char filesysname[20];
 172 #ifdef __WATCOMC__
 173                 ULONG cbBuffer = sizeof(filesysname);
 174                 PFSQBUFFER2 pfsqBuffer = (PFSQBUFFER2)filesysname;
 175                 APIRET rc = ::DosQueryFSAttach(name.fn_str(),0,FSAIL_QUERYNAME,pfsqBuffer,&cbBuffer);
 176                 if (rc != NO_ERROR)
 177                 {
 178                     filesysname[0] = '\0';
 179                 }
 180 #else
 181                 _filesys(name.fn_str(), filesysname, sizeof(filesysname));
 182 #endif
 183                 /* FAT, LAN, HPFS, CDFS, NFS */
 184                 int imageId;
 185                 if (path == wxT("A:\\") || path == wxT("B:\\"))
 186                     imageId = wxFileIconsTable::floppy;
 187                 else if (!strcmp(filesysname, "CDFS"))
 188                     imageId = wxFileIconsTable::cdrom;
 189                 else if (!strcmp(filesysname, "LAN") ||
 190                          !strcmp(filesysname, "NFS"))
 191                     imageId = wxFileIconsTable::drive;
 192                 else
 193                     imageId = wxFileIconsTable::drive;
 194                 paths.Add(path);
 195                 names.Add(name);
 196                 icon_ids.Add(imageId);
 197             }
 198             i ++;
 199         }
 200     }
 201 #else // !__WIN32__, !__OS2__
 202     int drive;
 203
 204     /* If we can switch to the drive, it exists. */
 205     for( drive = 1; drive <= 26; drive++ )
 206     {
 207         wxString path, name;
 208         path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
 209         name.Printf(wxT("%c:"), (char) (drive + 'A' - 1));
 210
 211         if (wxIsDriveAvailable(path))
 212         {
 213             paths.Add(path);
 214             names.Add(name);
 215             icon_ids.Add((drive <= 2) ? wxFileIconsTable::floppy : wxFileIconsTable::drive);
 216         }
 217     }
 218 #endif // __WIN32__/!__WIN32__
 219
 220 #elif defined(__WXMAC__)
 221
 222     ItemCount volumeIndex = 1;
 223     OSErr err = noErr ;
 224
 225     while( noErr == err )
 226     {
 227         HFSUniStr255 volumeName ;
 228         FSRef fsRef ;
 229         FSVolumeInfo volumeInfo ;
 230         err = FSGetVolumeInfo(0, volumeIndex, NULL, kFSVolInfoFlags , &volumeInfo , &volumeName, &fsRef);
 231         if( noErr == err )
 232         {
 233             wxString path = wxMacFSRefToPath( &fsRef ) ;
 234             wxString name = wxMacHFSUniStrToString( &volumeName ) ;
 235
 236             if ( (volumeInfo.flags & kFSVolFlagSoftwareLockedMask) || (volumeInfo.flags & kFSVolFlagHardwareLockedMask) )
 237             {
 238                 icon_ids.Add(wxFileIconsTable::cdrom);
 239             }
 240             else
 241             {
 242                 icon_ids.Add(wxFileIconsTable::drive);
 243             }
 244             // todo other removable
 245
 246             paths.Add(path);
 247             names.Add(name);
 248             volumeIndex++ ;
 249         }
 250     }
 251
 252 #elif defined(__UNIX__)
 253     paths.Add(wxT("/"));
 254     names.Add(wxT("/"));
 255     icon_ids.Add(wxFileIconsTable::computer);
 256 #else
 257     #error "Unsupported platform in wxGenericDirCtrl!"
 258 #endif
 259     wxASSERT_MSG( (paths.GetCount() == names.GetCount()), wxT("The number of paths and their human readable names should be equal in number."));
 260     wxASSERT_MSG( (paths.GetCount() == icon_ids.GetCount()), wxT("Wrong number of icons for available drives."));
 261     return paths.GetCount();
 262 }
 263
 264 // ----------------------------------------------------------------------------
 265 // wxIsDriveAvailable
 266 // ----------------------------------------------------------------------------
 267
 268 #if defined(__DOS__)
 269
 270 bool wxIsDriveAvailable(const wxString& dirName)
 271 {
 272     // FIXME_MGL - this method leads to hang up under Watcom for some reason
 273 #ifdef __WATCOMC__
 274     wxUnusedVar(dirName);
 275 #else
 276     if ( dirName.length() == 3 && dirName[1u] == wxT(':') )
 277     {
 278         wxString dirNameLower(dirName.Lower());
 279         // VS: always return true for removable media, since Win95 doesn't
 280         //     like it when MS-DOS app accesses empty floppy drive
 281         return (dirNameLower[0u] == wxT('a') ||
 282                 dirNameLower[0u] == wxT('b') ||
 283                 wxDirExists(dirNameLower));
 284     }
 285     else
 286 #endif
 287         return true;
 288 }
 289
 290 #elif defined(__WINDOWS__) || defined(__OS2__)
 291
 292 int setdrive(int WXUNUSED_IN_WINCE(drive))
 293 {
 294 #ifdef __WXWINCE__
 295     return 0;
 296 #elif defined(__GNUWIN32__) && \
 297     (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 298     return _chdrive(drive);
 299 #else
 300     wxChar  newdrive[4];
 301
 302     if (drive < 1 || drive > 31)
 303         return -1;
 304     newdrive[0] = (wxChar)(wxT('A') + drive - 1);
 305     newdrive[1] = wxT(':');
 306 #ifdef __OS2__
 307     newdrive[2] = wxT('\\');
 308     newdrive[3] = wxT('\0');
 309 #else
 310     newdrive[2] = wxT('\0');
 311 #endif
 312 #if defined(__WXMSW__)
 313     if (::SetCurrentDirectory(newdrive))
 314 #else
 315     // VA doesn't know what LPSTR is and has its own set
 316     if (!DosSetCurrentDir((PSZ)newdrive))
 317 #endif
 318         return 0;
 319     else
 320         return -1;
 321 #endif // !GNUWIN32
 322 }
 323
 324 bool wxIsDriveAvailable(const wxString& WXUNUSED_IN_WINCE(dirName))
 325 {
 326 #ifdef __WXWINCE__
 327     return false;
 328 #else
 329 #ifdef __WIN32__
 330     UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
 331 #endif
 332     bool success = true;
 333
 334     // Check if this is a root directory and if so,
 335     // whether the drive is available.
 336     if (dirName.length() == 3 && dirName[(size_t)1] == wxT(':'))
 337     {
 338         wxString dirNameLower(dirName.Lower());
 339 #if defined(__GNUWIN32__) && !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 340         success = wxDirExists(dirNameLower);
 341 #else
 342         #if defined(__OS2__)
 343         // Avoid changing to drive since no media may be inserted.
 344         if (dirNameLower[(size_t)0] == 'a' || dirNameLower[(size_t)0] == 'b')
 345             return success;
 346         #endif
 347         int currentDrive = _getdrive();
 348         int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
 349         int err = setdrive( thisDrive ) ;
 350         setdrive( currentDrive );
 351
 352         if (err == -1)
 353         {
 354             success = false;
 355         }
 356 #endif
 357     }
 358 #ifdef __WIN32__
 359     (void) SetErrorMode(errorMode);
 360 #endif
 361
 362     return success;
 363 #endif
 364 }
 365 #endif // __WINDOWS__ || __OS2__
 366
 367 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG
 368
 369
 370
 371 #if wxUSE_DIRDLG
 372
 373 // Function which is called by quick sort. We want to override the default wxArrayString behaviour,
 374 // and sort regardless of case.
 375 static int wxCMPFUNC_CONV wxDirCtrlStringCompareFunction(const wxString& strFirst, const wxString& strSecond)
 376 {
 377     return strFirst.CmpNoCase(strSecond);
 378 }
 379
 380 //-----------------------------------------------------------------------------
 381 // wxDirItemData
 382 //-----------------------------------------------------------------------------
 383
 384 wxDirItemData::wxDirItemData(const wxString& path, const wxString& name,
 385                              bool isDir)
 386 {
 387     m_path = path;
 388     m_name = name;
 389     /* Insert logic to detect hidden files here
 390      * In UnixLand we just check whether the first char is a dot
 391      * For FileNameFromPath read LastDirNameInThisPath ;-) */
 392     // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
 393     m_isHidden = false;
 394     m_isExpanded = false;
 395     m_isDir = isDir;
 396 }
 397
 398 void wxDirItemData::SetNewDirName(const wxString& path)
 399 {
 400     m_path = path;
 401     m_name = wxFileNameFromPath(path);
 402 }
 403
 404 bool wxDirItemData::HasSubDirs() const
 405 {
 406     if (m_path.empty())
 407         return false;
 408
 409     wxDir dir;
 410     {
 411         wxLogNull nolog;
 412         if ( !dir.Open(m_path) )
 413             return false;
 414     }
 415
 416     return dir.HasSubDirs();
 417 }
 418
 419 bool wxDirItemData::HasFiles(const wxString& WXUNUSED(spec)) const
 420 {
 421     if (m_path.empty())
 422         return false;
 423
 424     wxDir dir;
 425     {
 426         wxLogNull nolog;
 427         if ( !dir.Open(m_path) )
 428             return false;
 429     }
 430
 431     return dir.HasFiles();
 432 }
 433
 434 //-----------------------------------------------------------------------------
 435 // wxGenericDirCtrl
 436 //-----------------------------------------------------------------------------
 437
 438
 439 #if wxUSE_EXTENDED_RTTI
 440 WX_DEFINE_FLAGS( wxGenericDirCtrlStyle )
 441
 442 wxBEGIN_FLAGS( wxGenericDirCtrlStyle )
 443     // new style border flags, we put them first to
 444     // use them for streaming out
 445     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
 446     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
 447     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
 448     wxFLAGS_MEMBER(wxBORDER_RAISED)
 449     wxFLAGS_MEMBER(wxBORDER_STATIC)
 450     wxFLAGS_MEMBER(wxBORDER_NONE)
 451
 452     // old style border flags
 453     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
 454     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
 455     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
 456     wxFLAGS_MEMBER(wxRAISED_BORDER)
 457     wxFLAGS_MEMBER(wxSTATIC_BORDER)
 458     wxFLAGS_MEMBER(wxBORDER)
 459
 460     // standard window styles
 461     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 462     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 463     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 464     wxFLAGS_MEMBER(wxWANTS_CHARS)
 465     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
 466     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 467     wxFLAGS_MEMBER(wxVSCROLL)
 468     wxFLAGS_MEMBER(wxHSCROLL)
 469
 470     wxFLAGS_MEMBER(wxDIRCTRL_DIR_ONLY)
 471     wxFLAGS_MEMBER(wxDIRCTRL_3D_INTERNAL)
 472     wxFLAGS_MEMBER(wxDIRCTRL_SELECT_FIRST)
 473
 474 wxEND_FLAGS( wxGenericDirCtrlStyle )
 475
 476 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGenericDirCtrl, wxControl,"wx/dirctrl.h")
 477
 478 wxBEGIN_PROPERTIES_TABLE(wxGenericDirCtrl)
 479     wxHIDE_PROPERTY( Children )
 480     wxPROPERTY( DefaultPath , wxString , SetDefaultPath , GetDefaultPath  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 481     wxPROPERTY( Filter , wxString , SetFilter , GetFilter  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 482     wxPROPERTY( DefaultFilter , int , SetFilterIndex, GetFilterIndex, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 483     wxPROPERTY_FLAGS( WindowStyle, wxGenericDirCtrlStyle, long, SetWindowStyleFlag, GetWindowStyleFlag, EMPTY_MACROVALUE , 0, wxT("Helpstring"), wxT("group") )
 484 wxEND_PROPERTIES_TABLE()
 485
 486 wxBEGIN_HANDLERS_TABLE(wxGenericDirCtrl)
 487 wxEND_HANDLERS_TABLE()
 488
 489 wxCONSTRUCTOR_8( wxGenericDirCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , DefaultPath ,
 490                  wxPoint , Position , wxSize , Size , long , WindowStyle , wxString , Filter , int , DefaultFilter )
 491 #else
 492 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
 493 #endif
 494
 495 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
 496   EVT_TREE_ITEM_EXPANDING     (wxID_TREECTRL, wxGenericDirCtrl::OnExpandItem)
 497   EVT_TREE_ITEM_COLLAPSED     (wxID_TREECTRL, wxGenericDirCtrl::OnCollapseItem)
 498   EVT_TREE_BEGIN_LABEL_EDIT   (wxID_TREECTRL, wxGenericDirCtrl::OnBeginEditItem)
 499   EVT_TREE_END_LABEL_EDIT     (wxID_TREECTRL, wxGenericDirCtrl::OnEndEditItem)
 500   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 501 END_EVENT_TABLE()
 502
 503 wxGenericDirCtrl::wxGenericDirCtrl(void)
 504 {
 505     Init();
 506 }
 507
 508 void wxGenericDirCtrl::ExpandRoot()
 509 {
 510     ExpandDir(m_rootId); // automatically expand first level
 511
 512     // Expand and select the default path
 513     if (!m_defaultPath.empty())
 514     {
 515         ExpandPath(m_defaultPath);
 516     }
 517 #ifdef __UNIX__
 518     else
 519     {
 520         // On Unix, there's only one node under the (hidden) root node. It
 521         // represents the / path, so the user would always have to expand it;
 522         // let's do it ourselves
 523         ExpandPath( wxT("/") );
 524     }
 525 #endif
 526 }
 527
 528 bool wxGenericDirCtrl::Create(wxWindow *parent,
 529                               const wxWindowID id,
 530                               const wxString& dir,
 531                               const wxPoint& pos,
 532                               const wxSize& size,
 533                               long style,
 534                               const wxString& filter,
 535                               int defaultFilter,
 536                               const wxString& name)
 537 {
 538     if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
 539         return false;
 540
 541     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 542     SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
 543
 544     Init();
 545
 546     long treeStyle = wxTR_HAS_BUTTONS;
 547
 548     // On Windows CE, if you hide the root, you get a crash when
 549     // attempting to access data for children of the root item.
 550 #ifndef __WXWINCE__
 551     treeStyle |= wxTR_HIDE_ROOT;
 552 #endif
 553
 554 #ifdef __WXGTK20__
 555     treeStyle |= wxTR_NO_LINES;
 556 #endif
 557
 558     if (style & wxDIRCTRL_EDIT_LABELS)
 559         treeStyle |= wxTR_EDIT_LABELS;
 560
 561     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 562         treeStyle |= wxNO_BORDER;
 563     else
 564         treeStyle |= wxBORDER_SUNKEN;
 565
 566     m_treeCtrl = CreateTreeCtrl(this, wxID_TREECTRL,
 567                                 wxPoint(0,0), GetClientSize(), treeStyle);
 568
 569     if (!filter.empty())
 570         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
 571
 572     m_defaultPath = dir;
 573     m_filter = filter;
 574
 575     if (m_filter.empty())
 576         m_filter = wxFileSelectorDefaultWildcardStr;
 577
 578     SetFilterIndex(defaultFilter);
 579
 580     if (m_filterListCtrl)
 581         m_filterListCtrl->FillFilterList(filter, defaultFilter);
 582
 583     m_treeCtrl->SetImageList(wxTheFileIconsTable->GetSmallImageList());
 584
 585     m_showHidden = false;
 586     wxDirItemData* rootData = new wxDirItemData(wxEmptyString, wxEmptyString, true);
 587
 588     wxString rootName;
 589
 590 #if defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__)
 591     rootName = _("Computer");
 592 #else
 593     rootName = _("Sections");
 594 #endif
 595
 596     m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
 597     m_treeCtrl->SetItemHasChildren(m_rootId);
 598
 599     ExpandRoot();
 600
 601     SetInitialSize(size);
 602     DoResize();
 603
 604     return true;
 605 }
 606
 607 wxGenericDirCtrl::~wxGenericDirCtrl()
 608 {
 609 }
 610
 611 void wxGenericDirCtrl::Init()
 612 {
 613     m_showHidden = false;
 614     m_currentFilter = 0;
 615     m_currentFilterStr = wxEmptyString; // Default: any file
 616     m_treeCtrl = NULL;
 617     m_filterListCtrl = NULL;
 618 }
 619
 620 wxTreeCtrl* wxGenericDirCtrl::CreateTreeCtrl(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long treeStyle)
 621 {
 622     return new wxTreeCtrl(parent, id, pos, size, treeStyle);
 623 }
 624
 625 void wxGenericDirCtrl::ShowHidden( bool show )
 626 {
 627     if ( m_showHidden == show )
 628         return;
 629
 630     m_showHidden = show;
 631
 632     wxString path = GetPath();
 633     ReCreateTree();
 634     SetPath(path);
 635 }
 636
 637 const wxTreeItemId
 638 wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
 639 {
 640     wxDirItemData *dir_item = new wxDirItemData(path,name,true);
 641
 642     wxTreeItemId id = AppendItem( m_rootId, name, imageId, -1, dir_item);
 643
 644     m_treeCtrl->SetItemHasChildren(id);
 645
 646     return id;
 647 }
 648
 649 void wxGenericDirCtrl::SetupSections()
 650 {
 651     wxArrayString paths, names;
 652     wxArrayInt icons;
 653
 654     size_t n, count = wxGetAvailableDrives(paths, names, icons);
 655
 656 #ifdef __WXGTK20__
 657     wxString home = wxGetHomeDir();
 658     AddSection( home, _("Home directory"), 1);
 659     home += wxT("/Desktop");
 660     AddSection( home, _("Desktop"), 1);
 661 #endif
 662
 663     for (n = 0; n < count; n++)
 664         AddSection(paths[n], names[n], icons[n]);
 665 }
 666
 667 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 668 {
 669     // don't rename the main entry "Sections"
 670     if (event.GetItem() == m_rootId)
 671     {
 672         event.Veto();
 673         return;
 674     }
 675
 676     // don't rename the individual sections
 677     if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
 678     {
 679         event.Veto();
 680         return;
 681     }
 682 }
 683
 684 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
 685 {
 686     if (event.IsEditCancelled())
 687         return;
 688
 689     if ((event.GetLabel().empty()) ||
 690         (event.GetLabel() == wxT(".")) ||
 691         (event.GetLabel() == wxT("..")) ||
 692         (event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
 693         (event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
 694         (event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
 695     {
 696         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 697         dialog.ShowModal();
 698         event.Veto();
 699         return;
 700     }
 701
 702     wxTreeItemId id = event.GetItem();
 703     wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
 704     wxASSERT( data );
 705
 706     wxString new_name( wxPathOnly( data->m_path ) );
 707     new_name += wxString(wxFILE_SEP_PATH);
 708     new_name += event.GetLabel();
 709
 710     wxLogNull log;
 711
 712     if (wxFileExists(new_name))
 713     {
 714         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 715         dialog.ShowModal();
 716         event.Veto();
 717     }
 718
 719     if (wxRenameFile(data->m_path,new_name))
 720     {
 721         data->SetNewDirName( new_name );
 722     }
 723     else
 724     {
 725         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 726         dialog.ShowModal();
 727         event.Veto();
 728     }
 729 }
 730
 731 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 732 {
 733     wxTreeItemId parentId = event.GetItem();
 734
 735     // VS: this is needed because the event handler is called from wxTreeCtrl
 736     //     ctor when wxTR_HIDE_ROOT was specified
 737
 738     if (!m_rootId.IsOk())
 739
 740         m_rootId = m_treeCtrl->GetRootItem();
 741
 742     ExpandDir(parentId);
 743 }
 744
 745 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
 746 {
 747     CollapseDir(event.GetItem());
 748 }
 749
 750 void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
 751 {
 752     wxTreeItemId child;
 753
 754     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 755     if (!data->m_isExpanded)
 756         return;
 757
 758     data->m_isExpanded = false;
 759     wxTreeItemIdValue cookie;
 760     /* Workaround because DeleteChildren has disapeared (why?) and
 761      * CollapseAndReset doesn't work as advertised (deletes parent too) */
 762     child = m_treeCtrl->GetFirstChild(parentId, cookie);
 763     while (child.IsOk())
 764     {
 765         m_treeCtrl->Delete(child);
 766         /* Not GetNextChild below, because the cookie mechanism can't
 767          * handle disappearing children! */
 768         child = m_treeCtrl->GetFirstChild(parentId, cookie);
 769     }
 770     if (parentId != m_treeCtrl->GetRootItem())
 771         m_treeCtrl->Collapse(parentId);
 772 }
 773
 774 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 775 {
 776     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 777
 778     if (data->m_isExpanded)
 779         return;
 780
 781     data->m_isExpanded = true;
 782
 783     if (parentId == m_treeCtrl->GetRootItem())
 784     {
 785         SetupSections();
 786         return;
 787     }
 788
 789     wxASSERT(data);
 790
 791     wxString search,path,filename;
 792
 793     wxString dirName(data->m_path);
 794
 795 #if (defined(__WINDOWS__) && !defined(__WXWINCE__)) || defined(__DOS__) || defined(__OS2__)
 796     // Check if this is a root directory and if so,
 797     // whether the drive is avaiable.
 798     if (!wxIsDriveAvailable(dirName))
 799     {
 800         data->m_isExpanded = false;
 801         //wxMessageBox(wxT("Sorry, this drive is not available."));
 802         return;
 803     }
 804 #endif
 805
 806     // This may take a longish time. Go to busy cursor
 807     wxBusyCursor busy;
 808
 809 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 810     if (dirName.Last() == ':')
 811         dirName += wxString(wxFILE_SEP_PATH);
 812 #endif
 813
 814     wxArrayString dirs;
 815     wxArrayString filenames;
 816
 817     wxDir d;
 818     wxString eachFilename;
 819
 820     wxLogNull log;
 821     d.Open(dirName);
 822
 823     if (d.IsOpened())
 824     {
 825         int style = wxDIR_DIRS;
 826         if (m_showHidden) style |= wxDIR_HIDDEN;
 827         if (d.GetFirst(& eachFilename, wxEmptyString, style))
 828         {
 829             do
 830             {
 831                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 832                 {
 833                     dirs.Add(eachFilename);
 834                 }
 835             }
 836             while (d.GetNext(&eachFilename));
 837         }
 838     }
 839     dirs.Sort(wxDirCtrlStringCompareFunction);
 840
 841     // Now do the filenames -- but only if we're allowed to
 842     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 843     {
 844         d.Open(dirName);
 845
 846         if (d.IsOpened())
 847         {
 848             int style = wxDIR_FILES;
 849             if (m_showHidden) style |= wxDIR_HIDDEN;
 850             // Process each filter (ex: "JPEG Files (*.jpg;*.jpeg)|*.jpg;*.jpeg")
 851             wxStringTokenizer strTok;
 852             wxString curFilter;
 853             strTok.SetString(m_currentFilterStr,wxT(";"));
 854             while(strTok.HasMoreTokens())
 855             {
 856                 curFilter = strTok.GetNextToken();
 857                 if (d.GetFirst(& eachFilename, curFilter, style))
 858                 {
 859                     do
 860                     {
 861                         if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 862                         {
 863                             filenames.Add(eachFilename);
 864                         }
 865                     }
 866                     while (d.GetNext(& eachFilename));
 867                 }
 868             }
 869         }
 870         filenames.Sort(wxDirCtrlStringCompareFunction);
 871     }
 872
 873     // Add the sorted dirs
 874     size_t i;
 875     for (i = 0; i < dirs.GetCount(); i++)
 876     {
 877         eachFilename = dirs[i];
 878         path = dirName;
 879         if (!wxEndsWithPathSeparator(path))
 880             path += wxString(wxFILE_SEP_PATH);
 881         path += eachFilename;
 882
 883         wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,true);
 884         wxTreeItemId id = AppendItem( parentId, eachFilename,
 885                                       wxFileIconsTable::folder, -1, dir_item);
 886         m_treeCtrl->SetItemImage( id, wxFileIconsTable::folder_open,
 887                                   wxTreeItemIcon_Expanded );
 888
 889         // Has this got any children? If so, make it expandable.
 890         // (There are two situations when a dir has children: either it
 891         // has subdirectories or it contains files that weren't filtered
 892         // out. The latter only applies to dirctrl with files.)
 893         if ( dir_item->HasSubDirs() ||
 894              (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
 895                dir_item->HasFiles(m_currentFilterStr)) )
 896         {
 897             m_treeCtrl->SetItemHasChildren(id);
 898         }
 899     }
 900
 901     // Add the sorted filenames
 902     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 903     {
 904         for (i = 0; i < filenames.GetCount(); i++)
 905         {
 906             eachFilename = filenames[i];
 907             path = dirName;
 908             if (!wxEndsWithPathSeparator(path))
 909                 path += wxString(wxFILE_SEP_PATH);
 910             path += eachFilename;
 911             //path = dirName + wxString(wxT("/")) + eachFilename;
 912             wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,false);
 913             int image_id = wxFileIconsTable::file;
 914             if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
 915                 image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
 916             (void) AppendItem( parentId, eachFilename, image_id, -1, dir_item);
 917         }
 918     }
 919 }
 920
 921 void wxGenericDirCtrl::ReCreateTree()
 922 {
 923     CollapseDir(m_treeCtrl->GetRootItem());
 924     ExpandRoot();
 925 }
 926
 927 void wxGenericDirCtrl::CollapseTree()
 928 {
 929     wxTreeItemIdValue cookie;
 930     wxTreeItemId child = m_treeCtrl->GetFirstChild(m_rootId, cookie);
 931     while (child.IsOk())
 932     {
 933         CollapseDir(child);
 934         child = m_treeCtrl->GetNextChild(m_rootId, cookie);
 935     }
 936 }
 937
 938 // Find the child that matches the first part of 'path'.
 939 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
 940 // then the child for /usr is returned.
 941 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
 942 {
 943     wxString path2(path);
 944
 945     // Make sure all separators are as per the current platform
 946     path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
 947     path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
 948
 949     // Append a separator to foil bogus substring matching
 950     path2 += wxString(wxFILE_SEP_PATH);
 951
 952     // In MSW or PM, case is not significant
 953 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 954     path2.MakeLower();
 955 #endif
 956
 957     wxTreeItemIdValue cookie;
 958     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
 959     while (childId.IsOk())
 960     {
 961         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 962
 963         if (data && !data->m_path.empty())
 964         {
 965             wxString childPath(data->m_path);
 966             if (!wxEndsWithPathSeparator(childPath))
 967                 childPath += wxString(wxFILE_SEP_PATH);
 968
 969             // In MSW and PM, case is not significant
 970 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 971             childPath.MakeLower();
 972 #endif
 973
 974             if (childPath.length() <= path2.length())
 975             {
 976                 wxString path3 = path2.Mid(0, childPath.length());
 977                 if (childPath == path3)
 978                 {
 979                     if (path3.length() == path2.length())
 980                         done = true;
 981                     else
 982                         done = false;
 983                     return childId;
 984                 }
 985             }
 986         }
 987
 988         childId = m_treeCtrl->GetNextChild(parentId, cookie);
 989     }
 990     wxTreeItemId invalid;
 991     return invalid;
 992 }
 993
 994 // Try to expand as much of the given path as possible,
 995 // and select the given tree item.
 996 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
 997 {
 998     bool done = false;
 999     wxTreeItemId id = FindChild(m_rootId, path, done);
1000     wxTreeItemId lastId = id; // The last non-zero id
1001     while (id.IsOk() && !done)
1002     {
1003         ExpandDir(id);
1004
1005         id = FindChild(id, path, done);
1006         if (id.IsOk())
1007             lastId = id;
1008     }
1009     if (!lastId.IsOk())
1010         return false;
1011
1012     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
1013     if (data->m_isDir)
1014     {
1015         m_treeCtrl->Expand(lastId);
1016     }
1017     if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
1018     {
1019         // Find the first file in this directory
1020         wxTreeItemIdValue cookie;
1021         wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
1022         bool selectedChild = false;
1023         while (childId.IsOk())
1024         {
1025             data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
1026
1027             if (data && data->m_path != wxEmptyString && !data->m_isDir)
1028             {
1029                 m_treeCtrl->SelectItem(childId);
1030                 m_treeCtrl->EnsureVisible(childId);
1031                 selectedChild = true;
1032                 break;
1033             }
1034             childId = m_treeCtrl->GetNextChild(lastId, cookie);
1035         }
1036         if (!selectedChild)
1037         {
1038             m_treeCtrl->SelectItem(lastId);
1039             m_treeCtrl->EnsureVisible(lastId);
1040         }
1041     }
1042     else
1043     {
1044         m_treeCtrl->SelectItem(lastId);
1045         m_treeCtrl->EnsureVisible(lastId);
1046     }
1047
1048     return true;
1049 }
1050
1051
1052 bool wxGenericDirCtrl::CollapsePath(const wxString& path)
1053 {
1054     bool done           = false;
1055     wxTreeItemId id     = FindChild(m_rootId, path, done);
1056     wxTreeItemId lastId = id; // The last non-zero id
1057
1058     while ( id.IsOk() && !done )
1059     {
1060         CollapseDir(id);
1061
1062         id = FindChild(id, path, done);
1063
1064         if ( id.IsOk() )
1065             lastId = id;
1066     }
1067
1068     if ( !lastId.IsOk() )
1069         return false;
1070
1071     m_treeCtrl->SelectItem(lastId);
1072     m_treeCtrl->EnsureVisible(lastId);
1073
1074     return true;
1075 }
1076
1077
1078 wxString wxGenericDirCtrl::GetPath() const
1079 {
1080     wxTreeItemId id = m_treeCtrl->GetSelection();
1081     if (id)
1082     {
1083         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1084         return data->m_path;
1085     }
1086     else
1087         return wxEmptyString;
1088 }
1089
1090 wxString wxGenericDirCtrl::GetFilePath() const
1091 {
1092     wxTreeItemId id = m_treeCtrl->GetSelection();
1093     if (id)
1094     {
1095         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1096         if (data->m_isDir)
1097             return wxEmptyString;
1098         else
1099             return data->m_path;
1100     }
1101     else
1102         return wxEmptyString;
1103 }
1104
1105 void wxGenericDirCtrl::SetPath(const wxString& path)
1106 {
1107     m_defaultPath = path;
1108     if (m_rootId)
1109         ExpandPath(path);
1110 }
1111
1112 // Not used
1113 #if 0
1114 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1115 {
1116     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1117
1118     // This may take a longish time. Go to busy cursor
1119     wxBusyCursor busy;
1120
1121     wxASSERT(data);
1122
1123     wxString search,path,filename;
1124
1125     wxString dirName(data->m_path);
1126
1127 #if defined(__WXMSW__) || defined(__OS2__)
1128     if (dirName.Last() == ':')
1129         dirName += wxString(wxFILE_SEP_PATH);
1130 #endif
1131
1132     wxDir d;
1133     wxString eachFilename;
1134
1135     wxLogNull log;
1136     d.Open(dirName);
1137
1138     if (d.IsOpened())
1139     {
1140         if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1141         {
1142             do
1143             {
1144                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1145                 {
1146                     filenames.Add(eachFilename);
1147                 }
1148             }
1149             while (d.GetNext(& eachFilename)) ;
1150         }
1151     }
1152 }
1153 #endif
1154
1155 void wxGenericDirCtrl::SetFilterIndex(int n)
1156 {
1157     m_currentFilter = n;
1158
1159     wxString f, d;
1160     if (ExtractWildcard(m_filter, n, f, d))
1161         m_currentFilterStr = f;
1162     else
1163 #ifdef __UNIX__
1164         m_currentFilterStr = wxT("*");
1165 #else
1166         m_currentFilterStr = wxT("*.*");
1167 #endif
1168 }
1169
1170 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1171 {
1172     m_filter = filter;
1173
1174     if (!filter.empty() && !m_filterListCtrl)
1175         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL);
1176     else if (filter.empty() && m_filterListCtrl)
1177     {
1178         m_filterListCtrl->Destroy();
1179         m_filterListCtrl = NULL;
1180     }
1181
1182     wxString f, d;
1183     if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1184         m_currentFilterStr = f;
1185     else
1186 #ifdef __UNIX__
1187         m_currentFilterStr = wxT("*");
1188 #else
1189         m_currentFilterStr = wxT("*.*");
1190 #endif
1191     // current filter index is meaningless after filter change, set it to zero
1192     SetFilterIndex(0);
1193     if (m_filterListCtrl)
1194         m_filterListCtrl->FillFilterList(m_filter, 0);
1195 }
1196
1197 // Extract description and actual filter from overall filter string
1198 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1199 {
1200     wxArrayString filters, descriptions;
1201     int count = wxParseCommonDialogsFilter(filterStr, descriptions, filters);
1202     if (count > 0 && n < count)
1203     {
1204         filter = filters[n];
1205         description = descriptions[n];
1206         return true;
1207     }
1208
1209     return false;
1210 }
1211
1212
1213 void wxGenericDirCtrl::DoResize()
1214 {
1215     wxSize sz = GetClientSize();
1216     int verticalSpacing = 3;
1217     if (m_treeCtrl)
1218     {
1219         wxSize filterSz ;
1220         if (m_filterListCtrl)
1221         {
1222             filterSz = m_filterListCtrl->GetSize();
1223             sz.y -= (filterSz.y + verticalSpacing);
1224         }
1225         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1226         if (m_filterListCtrl)
1227         {
1228             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1229             // Don't know why, but this needs refreshing after a resize (wxMSW)
1230             m_filterListCtrl->Refresh();
1231         }
1232     }
1233 }
1234
1235
1236 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1237 {
1238     DoResize();
1239 }
1240
1241 wxTreeItemId wxGenericDirCtrl::AppendItem (const wxTreeItemId & parent,
1242                                            const wxString & text,
1243                                            int image, int selectedImage,
1244                                            wxTreeItemData * data)
1245 {
1246   wxTreeCtrl *treeCtrl = GetTreeCtrl ();
1247
1248   wxASSERT (treeCtrl);
1249
1250   if (treeCtrl)
1251   {
1252     return treeCtrl->AppendItem (parent, text, image, selectedImage, data);
1253   }
1254   else
1255   {
1256     return wxTreeItemId();
1257   }
1258 }
1259
1260
1261 //-----------------------------------------------------------------------------
1262 // wxDirFilterListCtrl
1263 //-----------------------------------------------------------------------------
1264
1265 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1266
1267 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1268     EVT_CHOICE(wxID_ANY, wxDirFilterListCtrl::OnSelFilter)
1269 END_EVENT_TABLE()
1270
1271 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent,
1272                                  const wxWindowID id,
1273                                  const wxPoint& pos,
1274                                  const wxSize& size,
1275                                  long style)
1276 {
1277     m_dirCtrl = parent;
1278
1279     // by default our border style is determined by the style of our parent
1280     if ( !(style & wxBORDER_MASK) )
1281     {
1282         style |= parent->HasFlag(wxDIRCTRL_3D_INTERNAL) ? wxBORDER_SUNKEN
1283                                                         : wxBORDER_NONE;
1284     }
1285
1286     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1287 }
1288
1289 void wxDirFilterListCtrl::Init()
1290 {
1291     m_dirCtrl = NULL;
1292 }
1293
1294 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1295 {
1296     int sel = GetSelection();
1297
1298     wxString currentPath = m_dirCtrl->GetPath();
1299
1300     m_dirCtrl->SetFilterIndex(sel);
1301
1302     // If the filter has changed, the view is out of date, so
1303     // collapse the tree.
1304     m_dirCtrl->ReCreateTree();
1305
1306     // Try to restore the selection, or at least the directory
1307     m_dirCtrl->ExpandPath(currentPath);
1308 }
1309
1310 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1311 {
1312     Clear();
1313     wxArrayString descriptions, filters;
1314     size_t n = (size_t) wxParseCommonDialogsFilter(filter, descriptions, filters);
1315
1316     if (n > 0 && defaultFilter < (int) n)
1317     {
1318         for (size_t i = 0; i < n; i++)
1319             Append(descriptions[i]);
1320         SetSelection(defaultFilter);
1321     }
1322 }
1323 #endif // wxUSE_DIRDLG
1324
1325 #if wxUSE_DIRDLG || wxUSE_FILEDLG
1326
1327 // ----------------------------------------------------------------------------
1328 // wxFileIconsTable icons
1329 // ----------------------------------------------------------------------------
1330
1331 #ifndef __WXGTK24__
1332 /* Computer (c) Julian Smart */
1333 static const char * file_icons_tbl_computer_xpm[] = {
1334 /* columns rows colors chars-per-pixel */
1335 "16 16 42 1",
1336 "r c #4E7FD0",
1337 "$ c #7198D9",
1338 "; c #DCE6F6",
1339 "q c #FFFFFF",
1340 "u c #4A7CCE",
1341 "# c #779DDB",
1342 "w c #95B2E3",
1343 "y c #7FA2DD",
1344 "f c #3263B4",
1345 "= c #EAF0FA",
1346 "< c #B1C7EB",
1347 "% c #6992D7",
1348 "9 c #D9E4F5",
1349 "o c #9BB7E5",
1350 "6 c #F7F9FD",
1351 ", c #BED0EE",
1352 "3 c #F0F5FC",
1353 "1 c #A8C0E8",
1354 "  c None",
1355 "0 c #FDFEFF",
1356 "4 c #C4D5F0",
1357 "@ c #81A4DD",
1358 "e c #4377CD",
1359 "- c #E2EAF8",
1360 "i c #9FB9E5",
1361 "> c #CCDAF2",
1362 "+ c #89A9DF",
1363 "s c #5584D1",
1364 "t c #5D89D3",
1365 ": c #D2DFF4",
1366 "5 c #FAFCFE",
1367 "2 c #F5F8FD",
1368 "8 c #DFE8F7",
1369 "& c #5E8AD4",
1370 "X c #638ED5",
1371 "a c #CEDCF2",
1372 "p c #90AFE2",
1373 "d c #2F5DA9",
1374 "* c #5282D0",
1375 "7 c #E5EDF9",
1376 ". c #A2BCE6",
1377 "O c #8CACE0",
1378 /* pixels */
1379 "                ",
1380 "  .XXXXXXXXXXX  ",
1381 "  oXO++@#$%&*X  ",
1382 "  oX=-;:>,<1%X  ",
1383 "  oX23=-;:4,$X  ",
1384 "  oX5633789:@X  ",
1385 "  oX05623=78+X  ",
1386 "  oXqq05623=OX  ",
1387 "  oX,,,,,<<<$X  ",
1388 "  wXXXXXXXXXXe  ",
1389 "  XrtX%$$y@+O,, ",
1390 "  uyiiiiiiiii@< ",
1391 " ouiiiiiiiiiip<a",
1392 " rustX%$$y@+Ow,,",
1393 " dfffffffffffffd",
1394 "                "
1395 };
1396 #endif // GTK+ < 2.4
1397
1398 // ----------------------------------------------------------------------------
1399 // wxFileIconsTable & friends
1400 // ----------------------------------------------------------------------------
1401
1402 // global instance of a wxFileIconsTable
1403 wxFileIconsTable* wxTheFileIconsTable = (wxFileIconsTable *)NULL;
1404
1405 // A module to allow icons table cleanup
1406
1407 class wxFileIconsTableModule: public wxModule
1408 {
1409 DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
1410 public:
1411     wxFileIconsTableModule() {}
1412     bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return true; }
1413     void OnExit()
1414     {
1415         if (wxTheFileIconsTable)
1416         {
1417             delete wxTheFileIconsTable;
1418             wxTheFileIconsTable = NULL;
1419         }
1420     }
1421 };
1422
1423 IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
1424
1425 class wxFileIconEntry : public wxObject
1426 {
1427 public:
1428     wxFileIconEntry(int i) { id = i; }
1429
1430     int id;
1431 };
1432
1433 wxFileIconsTable::wxFileIconsTable()
1434 {
1435     m_HashTable = NULL;
1436     m_smallImageList = NULL;
1437 }
1438
1439 wxFileIconsTable::~wxFileIconsTable()
1440 {
1441     if (m_HashTable)
1442     {
1443         WX_CLEAR_HASH_TABLE(*m_HashTable);
1444         delete m_HashTable;
1445     }
1446     if (m_smallImageList) delete m_smallImageList;
1447 }
1448
1449 // delayed initialization - wait until first use (wxArtProv not created yet)
1450 void wxFileIconsTable::Create()
1451 {
1452     wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
1453     m_HashTable = new wxHashTable(wxKEY_STRING);
1454     m_smallImageList = new wxImageList(16, 16);
1455
1456     // folder:
1457     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER,
1458                                                    wxART_CMN_DIALOG,
1459                                                    wxSize(16, 16)));
1460     // folder_open
1461     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER_OPEN,
1462                                                    wxART_CMN_DIALOG,
1463                                                    wxSize(16, 16)));
1464     // computer
1465 #ifdef __WXGTK24__
1466     // GTK24 uses this icon in the file open dialog
1467     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1468                                                    wxART_CMN_DIALOG,
1469                                                    wxSize(16, 16)));
1470 #else
1471     m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
1472 #endif
1473     // drive
1474     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1475                                                    wxART_CMN_DIALOG,
1476                                                    wxSize(16, 16)));
1477     // cdrom
1478     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_CDROM,
1479                                                    wxART_CMN_DIALOG,
1480                                                    wxSize(16, 16)));
1481     // floppy
1482     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FLOPPY,
1483                                                    wxART_CMN_DIALOG,
1484                                                    wxSize(16, 16)));
1485     // removeable
1486     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_REMOVABLE,
1487                                                    wxART_CMN_DIALOG,
1488                                                    wxSize(16, 16)));
1489     // file
1490     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE,
1491                                                    wxART_CMN_DIALOG,
1492                                                    wxSize(16, 16)));
1493     // executable
1494     if (GetIconID(wxEmptyString, _T("application/x-executable")) == file)
1495     {
1496         m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE,
1497                                                        wxART_CMN_DIALOG,
1498                                                        wxSize(16, 16)));
1499         delete m_HashTable->Get(_T("exe"));
1500         m_HashTable->Delete(_T("exe"));
1501         m_HashTable->Put(_T("exe"), new wxFileIconEntry(executable));
1502     }
1503     /* else put into list by GetIconID
1504        (KDE defines application/x-executable for *.exe and has nice icon)
1505      */
1506 }
1507
1508 wxImageList *wxFileIconsTable::GetSmallImageList()
1509 {
1510     if (!m_smallImageList)
1511         Create();
1512
1513     return m_smallImageList;
1514 }
1515
1516 #if wxUSE_MIMETYPE && wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1517 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
1518 //     one icon and we won't resize it
1519
1520 static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
1521 {
1522     const unsigned int size = 16;
1523
1524     wxImage smallimg (size, size);
1525     unsigned char *p1, *p2, *ps;
1526     unsigned char mr = img.GetMaskRed(),
1527                   mg = img.GetMaskGreen(),
1528                   mb = img.GetMaskBlue();
1529
1530     unsigned x, y;
1531     unsigned sr, sg, sb, smask;
1532
1533     p1 = img.GetData(), p2 = img.GetData() + 3 * size*2, ps = smallimg.GetData();
1534     smallimg.SetMaskColour(mr, mr, mr);
1535
1536     for (y = 0; y < size; y++)
1537     {
1538         for (x = 0; x < size; x++)
1539         {
1540             sr = sg = sb = smask = 0;
1541             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1542                 sr += p1[0], sg += p1[1], sb += p1[2];
1543             else smask++;
1544             p1 += 3;
1545             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1546                 sr += p1[0], sg += p1[1], sb += p1[2];
1547             else smask++;
1548             p1 += 3;
1549             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1550                 sr += p2[0], sg += p2[1], sb += p2[2];
1551             else smask++;
1552             p2 += 3;
1553             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1554                 sr += p2[0], sg += p2[1], sb += p2[2];
1555             else smask++;
1556             p2 += 3;
1557
1558             if (smask > 2)
1559                 ps[0] = ps[1] = ps[2] = mr;
1560             else
1561             {
1562                 ps[0] = (unsigned char)(sr >> 2);
1563                 ps[1] = (unsigned char)(sg >> 2);
1564                 ps[2] = (unsigned char)(sb >> 2);
1565             }
1566             ps += 3;
1567         }
1568         p1 += size*2 * 3, p2 += size*2 * 3;
1569     }
1570
1571     return wxBitmap(smallimg);
1572 }
1573
1574 // This function is currently not unused anymore
1575 #if 0
1576 // finds empty borders and return non-empty area of image:
1577 static wxImage CutEmptyBorders(const wxImage& img)
1578 {
1579     unsigned char mr = img.GetMaskRed(),
1580                   mg = img.GetMaskGreen(),
1581                   mb = img.GetMaskBlue();
1582     unsigned char *dt = img.GetData(), *dttmp;
1583     unsigned w = img.GetWidth(), h = img.GetHeight();
1584
1585     unsigned top, bottom, left, right, i;
1586     bool empt;
1587
1588 #define MK_DTTMP(x,y)      dttmp = dt + ((x + y * w) * 3)
1589 #define NOEMPTY_PIX(empt)  if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = false; break;}
1590
1591     for (empt = true, top = 0; empt && top < h; top++)
1592     {
1593         MK_DTTMP(0, top);
1594         for (i = 0; i < w; i++, dttmp+=3)
1595             NOEMPTY_PIX(empt)
1596     }
1597     for (empt = true, bottom = h-1; empt && bottom > top; bottom--)
1598     {
1599         MK_DTTMP(0, bottom);
1600         for (i = 0; i < w; i++, dttmp+=3)
1601             NOEMPTY_PIX(empt)
1602     }
1603     for (empt = true, left = 0; empt && left < w; left++)
1604     {
1605         MK_DTTMP(left, 0);
1606         for (i = 0; i < h; i++, dttmp+=3*w)
1607             NOEMPTY_PIX(empt)
1608     }
1609     for (empt = true, right = w-1; empt && right > left; right--)
1610     {
1611         MK_DTTMP(right, 0);
1612         for (i = 0; i < h; i++, dttmp+=3*w)
1613             NOEMPTY_PIX(empt)
1614     }
1615     top--, left--, bottom++, right++;
1616
1617     return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
1618 }
1619 #endif // #if 0
1620
1621 #endif // wxUSE_MIMETYPE
1622
1623 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
1624 {
1625     if (!m_smallImageList)
1626         Create();
1627
1628 #if wxUSE_MIMETYPE
1629     if (!extension.empty())
1630     {
1631         wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
1632         if (entry) return (entry -> id);
1633     }
1634
1635     wxFileType *ft = (mime.empty()) ?
1636                    wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
1637                    wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
1638
1639     wxIconLocation iconLoc;
1640     wxIcon ic;
1641
1642     {
1643         wxLogNull logNull;
1644         if ( ft && ft->GetIcon(&iconLoc) )
1645         {
1646             ic = wxIcon( iconLoc );
1647         }
1648     }
1649
1650     delete ft;
1651
1652     if ( !ic.Ok() )
1653     {
1654         int newid = file;
1655         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1656         return newid;
1657     }
1658
1659     wxBitmap bmp;
1660     bmp.CopyFromIcon(ic);
1661
1662     if ( !bmp.Ok() )
1663     {
1664         int newid = file;
1665         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1666         return newid;
1667     }
1668
1669     const unsigned int size = 16;
1670
1671     int id = m_smallImageList->GetImageCount();
1672     if ((bmp.GetWidth() == (int) size) && (bmp.GetHeight() == (int) size))
1673     {
1674         m_smallImageList->Add(bmp);
1675     }
1676 #if wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1677     else
1678     {
1679         wxImage img = bmp.ConvertToImage();
1680
1681         if ((img.GetWidth() != size*2) || (img.GetHeight() != size*2))
1682 //            m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(size*2, size*2)));
1683             m_smallImageList->Add(CreateAntialiasedBitmap(img.Rescale(size*2, size*2)));
1684         else
1685             m_smallImageList->Add(CreateAntialiasedBitmap(img));
1686     }
1687 #endif // wxUSE_IMAGE
1688
1689     m_HashTable->Put(extension, new wxFileIconEntry(id));
1690     return id;
1691
1692 #else // !wxUSE_MIMETYPE
1693
1694     wxUnusedVar(mime);
1695     if (extension == wxT("exe"))
1696         return executable;
1697     else
1698         return file;
1699 #endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
1700 }
1701
1702 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG