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