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     wxFLAGS_MEMBER(wxDIRCTRL_SHOW_FILTERS)
 474
 475 wxEND_FLAGS( wxGenericDirCtrlStyle )
 476
 477 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGenericDirCtrl, wxControl,"wx/dirctrl.h")
 478
 479 wxBEGIN_PROPERTIES_TABLE(wxGenericDirCtrl)
 480     wxHIDE_PROPERTY( Children )
 481     wxPROPERTY( DefaultPath , wxString , SetDefaultPath , GetDefaultPath  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 482     wxPROPERTY( Filter , wxString , SetFilter , GetFilter  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 483     wxPROPERTY( DefaultFilter , int , SetFilterIndex, GetFilterIndex, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 484     wxPROPERTY_FLAGS( WindowStyle, wxGenericDirCtrlStyle, long, SetWindowStyleFlag, GetWindowStyleFlag, EMPTY_MACROVALUE , 0, wxT("Helpstring"), wxT("group") )
 485 wxEND_PROPERTIES_TABLE()
 486
 487 wxBEGIN_HANDLERS_TABLE(wxGenericDirCtrl)
 488 wxEND_HANDLERS_TABLE()
 489
 490 wxCONSTRUCTOR_8( wxGenericDirCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , DefaultPath ,
 491                  wxPoint , Position , wxSize , Size , long , WindowStyle , wxString , Filter , int , DefaultFilter )
 492 #else
 493 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
 494 #endif
 495
 496 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
 497   EVT_TREE_ITEM_EXPANDING     (wxID_TREECTRL, wxGenericDirCtrl::OnExpandItem)
 498   EVT_TREE_ITEM_COLLAPSED     (wxID_TREECTRL, wxGenericDirCtrl::OnCollapseItem)
 499   EVT_TREE_BEGIN_LABEL_EDIT   (wxID_TREECTRL, wxGenericDirCtrl::OnBeginEditItem)
 500   EVT_TREE_END_LABEL_EDIT     (wxID_TREECTRL, wxGenericDirCtrl::OnEndEditItem)
 501   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 502 END_EVENT_TABLE()
 503
 504 wxGenericDirCtrl::wxGenericDirCtrl(void)
 505 {
 506     Init();
 507 }
 508
 509 void wxGenericDirCtrl::ExpandRoot()
 510 {
 511     ExpandDir(m_rootId); // automatically expand first level
 512
 513     // Expand and select the default path
 514     if (!m_defaultPath.empty())
 515     {
 516         ExpandPath(m_defaultPath);
 517     }
 518 #ifdef __UNIX__
 519     else
 520     {
 521         // On Unix, there's only one node under the (hidden) root node. It
 522         // represents the / path, so the user would always have to expand it;
 523         // let's do it ourselves
 524         ExpandPath( wxT("/") );
 525     }
 526 #endif
 527 }
 528
 529 bool wxGenericDirCtrl::Create(wxWindow *parent,
 530                               const wxWindowID id,
 531                               const wxString& dir,
 532                               const wxPoint& pos,
 533                               const wxSize& size,
 534                               long style,
 535                               const wxString& filter,
 536                               int defaultFilter,
 537                               const wxString& name)
 538 {
 539     if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
 540         return false;
 541
 542     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 543     SetForegroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
 544
 545     Init();
 546
 547     long treeStyle = wxTR_HAS_BUTTONS;
 548
 549     // On Windows CE, if you hide the root, you get a crash when
 550     // attempting to access data for children of the root item.
 551 #ifndef __WXWINCE__
 552     treeStyle |= wxTR_HIDE_ROOT;
 553 #endif
 554
 555 #ifdef __WXGTK20__
 556     treeStyle |= wxTR_NO_LINES;
 557 #endif
 558
 559     if (style & wxDIRCTRL_EDIT_LABELS)
 560         treeStyle |= wxTR_EDIT_LABELS;
 561
 562     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 563         treeStyle |= wxNO_BORDER;
 564     else
 565         treeStyle |= wxBORDER_SUNKEN;
 566
 567     long filterStyle = 0;
 568     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 569         filterStyle |= wxNO_BORDER;
 570     else
 571         filterStyle |= wxBORDER_SUNKEN;
 572
 573     m_treeCtrl = CreateTreeCtrl(this, wxID_TREECTRL,
 574                                 wxPoint(0,0), GetClientSize(), treeStyle);
 575
 576     if (!filter.empty() && (style & wxDIRCTRL_SHOW_FILTERS))
 577         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
 578
 579     m_defaultPath = dir;
 580     m_filter = filter;
 581
 582     if (m_filter.empty())
 583 #ifdef __UNIX__
 584         m_filter = wxT("*");
 585 #else
 586         m_filter = wxT("*.*");
 587 #endif
 588
 589     SetFilterIndex(defaultFilter);
 590
 591     if (m_filterListCtrl)
 592         m_filterListCtrl->FillFilterList(filter, defaultFilter);
 593
 594     m_treeCtrl->SetImageList(wxTheFileIconsTable->GetSmallImageList());
 595
 596     m_showHidden = false;
 597     wxDirItemData* rootData = new wxDirItemData(wxEmptyString, wxEmptyString, true);
 598
 599     wxString rootName;
 600
 601 #if defined(__WINDOWS__) || defined(__OS2__) || defined(__DOS__)
 602     rootName = _("Computer");
 603 #else
 604     rootName = _("Sections");
 605 #endif
 606
 607     m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
 608     m_treeCtrl->SetItemHasChildren(m_rootId);
 609
 610     ExpandRoot();
 611
 612     SetInitialSize(size);
 613     DoResize();
 614
 615     return true;
 616 }
 617
 618 wxGenericDirCtrl::~wxGenericDirCtrl()
 619 {
 620 }
 621
 622 void wxGenericDirCtrl::Init()
 623 {
 624     m_showHidden = false;
 625     m_currentFilter = 0;
 626     m_currentFilterStr = wxEmptyString; // Default: any file
 627     m_treeCtrl = NULL;
 628     m_filterListCtrl = NULL;
 629 }
 630
 631 wxTreeCtrl* wxGenericDirCtrl::CreateTreeCtrl(wxWindow *parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long treeStyle)
 632 {
 633     return new wxTreeCtrl(parent, id, pos, size, treeStyle);
 634 }
 635
 636 void wxGenericDirCtrl::ShowHidden( bool show )
 637 {
 638     m_showHidden = show;
 639
 640     wxString path = GetPath();
 641     ReCreateTree();
 642     SetPath(path);
 643 }
 644
 645 const wxTreeItemId
 646 wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
 647 {
 648     wxDirItemData *dir_item = new wxDirItemData(path,name,true);
 649
 650     wxTreeItemId id = AppendItem( m_rootId, name, imageId, -1, dir_item);
 651
 652     m_treeCtrl->SetItemHasChildren(id);
 653
 654     return id;
 655 }
 656
 657 void wxGenericDirCtrl::SetupSections()
 658 {
 659     wxArrayString paths, names;
 660     wxArrayInt icons;
 661
 662     size_t n, count = wxGetAvailableDrives(paths, names, icons);
 663
 664 #ifdef __WXGTK20__
 665     wxString home = wxGetHomeDir();
 666     AddSection( home, _("Home directory"), 1);
 667     home += wxT("/Desktop");
 668     AddSection( home, _("Desktop"), 1);
 669 #endif
 670
 671     for (n = 0; n < count; n++)
 672         AddSection(paths[n], names[n], icons[n]);
 673 }
 674
 675 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 676 {
 677     // don't rename the main entry "Sections"
 678     if (event.GetItem() == m_rootId)
 679     {
 680         event.Veto();
 681         return;
 682     }
 683
 684     // don't rename the individual sections
 685     if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
 686     {
 687         event.Veto();
 688         return;
 689     }
 690 }
 691
 692 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
 693 {
 694     if (event.IsEditCancelled())
 695         return;
 696
 697     if ((event.GetLabel().empty()) ||
 698         (event.GetLabel() == wxT(".")) ||
 699         (event.GetLabel() == wxT("..")) ||
 700         (event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
 701         (event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
 702         (event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
 703     {
 704         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 705         dialog.ShowModal();
 706         event.Veto();
 707         return;
 708     }
 709
 710     wxTreeItemId id = event.GetItem();
 711     wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
 712     wxASSERT( data );
 713
 714     wxString new_name( wxPathOnly( data->m_path ) );
 715     new_name += wxString(wxFILE_SEP_PATH);
 716     new_name += event.GetLabel();
 717
 718     wxLogNull log;
 719
 720     if (wxFileExists(new_name))
 721     {
 722         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 723         dialog.ShowModal();
 724         event.Veto();
 725     }
 726
 727     if (wxRenameFile(data->m_path,new_name))
 728     {
 729         data->SetNewDirName( new_name );
 730     }
 731     else
 732     {
 733         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 734         dialog.ShowModal();
 735         event.Veto();
 736     }
 737 }
 738
 739 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 740 {
 741     wxTreeItemId parentId = event.GetItem();
 742
 743     // VS: this is needed because the event handler is called from wxTreeCtrl
 744     //     ctor when wxTR_HIDE_ROOT was specified
 745
 746     if (!m_rootId.IsOk())
 747
 748         m_rootId = m_treeCtrl->GetRootItem();
 749
 750     ExpandDir(parentId);
 751 }
 752
 753 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
 754 {
 755     CollapseDir(event.GetItem());
 756 }
 757
 758 void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
 759 {
 760     wxTreeItemId child;
 761
 762     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 763     if (!data->m_isExpanded)
 764         return;
 765
 766     data->m_isExpanded = false;
 767     wxTreeItemIdValue cookie;
 768     /* Workaround because DeleteChildren has disapeared (why?) and
 769      * CollapseAndReset doesn't work as advertised (deletes parent too) */
 770     child = m_treeCtrl->GetFirstChild(parentId, cookie);
 771     while (child.IsOk())
 772     {
 773         m_treeCtrl->Delete(child);
 774         /* Not GetNextChild below, because the cookie mechanism can't
 775          * handle disappearing children! */
 776         child = m_treeCtrl->GetFirstChild(parentId, cookie);
 777     }
 778     if (parentId != m_treeCtrl->GetRootItem())
 779         m_treeCtrl->Collapse(parentId);
 780 }
 781
 782 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 783 {
 784     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 785
 786     if (data->m_isExpanded)
 787         return;
 788
 789     data->m_isExpanded = true;
 790
 791     if (parentId == m_treeCtrl->GetRootItem())
 792     {
 793         SetupSections();
 794         return;
 795     }
 796
 797     wxASSERT(data);
 798
 799     wxString search,path,filename;
 800
 801     wxString dirName(data->m_path);
 802
 803 #if (defined(__WINDOWS__) && !defined(__WXWINCE__)) || defined(__DOS__) || defined(__OS2__)
 804     // Check if this is a root directory and if so,
 805     // whether the drive is avaiable.
 806     if (!wxIsDriveAvailable(dirName))
 807     {
 808         data->m_isExpanded = false;
 809         //wxMessageBox(wxT("Sorry, this drive is not available."));
 810         return;
 811     }
 812 #endif
 813
 814     // This may take a longish time. Go to busy cursor
 815     wxBusyCursor busy;
 816
 817 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 818     if (dirName.Last() == ':')
 819         dirName += wxString(wxFILE_SEP_PATH);
 820 #endif
 821
 822     wxArrayString dirs;
 823     wxArrayString filenames;
 824
 825     wxDir d;
 826     wxString eachFilename;
 827
 828     wxLogNull log;
 829     d.Open(dirName);
 830
 831     if (d.IsOpened())
 832     {
 833         int style = wxDIR_DIRS;
 834         if (m_showHidden) style |= wxDIR_HIDDEN;
 835         if (d.GetFirst(& eachFilename, wxEmptyString, style))
 836         {
 837             do
 838             {
 839                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 840                 {
 841                     dirs.Add(eachFilename);
 842                 }
 843             }
 844             while (d.GetNext(&eachFilename));
 845         }
 846     }
 847     dirs.Sort(wxDirCtrlStringCompareFunction);
 848
 849     // Now do the filenames -- but only if we're allowed to
 850     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 851     {
 852         d.Open(dirName);
 853
 854         if (d.IsOpened())
 855         {
 856             int style = wxDIR_FILES;
 857             if (m_showHidden) style |= wxDIR_HIDDEN;
 858             // Process each filter (ex: "JPEG Files (*.jpg;*.jpeg)|*.jpg;*.jpeg")
 859             wxStringTokenizer strTok;
 860             wxString curFilter;
 861             strTok.SetString(m_currentFilterStr,wxT(";"));
 862             while(strTok.HasMoreTokens())
 863             {
 864                 curFilter = strTok.GetNextToken();
 865                 if (d.GetFirst(& eachFilename, curFilter, style))
 866                 {
 867                     do
 868                     {
 869                         if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 870                         {
 871                             filenames.Add(eachFilename);
 872                         }
 873                     }
 874                     while (d.GetNext(& eachFilename));
 875                 }
 876             }
 877         }
 878         filenames.Sort(wxDirCtrlStringCompareFunction);
 879     }
 880
 881     // Add the sorted dirs
 882     size_t i;
 883     for (i = 0; i < dirs.Count(); i++)
 884     {
 885         eachFilename = dirs[i];
 886         path = dirName;
 887         if (!wxEndsWithPathSeparator(path))
 888             path += wxString(wxFILE_SEP_PATH);
 889         path += eachFilename;
 890
 891         wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,true);
 892         wxTreeItemId id = AppendItem( parentId, eachFilename,
 893                                       wxFileIconsTable::folder, -1, dir_item);
 894         m_treeCtrl->SetItemImage( id, wxFileIconsTable::folder_open,
 895                                   wxTreeItemIcon_Expanded );
 896
 897         // Has this got any children? If so, make it expandable.
 898         // (There are two situations when a dir has children: either it
 899         // has subdirectories or it contains files that weren't filtered
 900         // out. The latter only applies to dirctrl with files.)
 901         if ( dir_item->HasSubDirs() ||
 902              (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
 903                dir_item->HasFiles(m_currentFilterStr)) )
 904         {
 905             m_treeCtrl->SetItemHasChildren(id);
 906         }
 907     }
 908
 909     // Add the sorted filenames
 910     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 911     {
 912         for (i = 0; i < filenames.Count(); i++)
 913         {
 914             eachFilename = filenames[i];
 915             path = dirName;
 916             if (!wxEndsWithPathSeparator(path))
 917                 path += wxString(wxFILE_SEP_PATH);
 918             path += eachFilename;
 919             //path = dirName + wxString(wxT("/")) + eachFilename;
 920             wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,false);
 921             int image_id = wxFileIconsTable::file;
 922             if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
 923                 image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
 924             (void) AppendItem( parentId, eachFilename, image_id, -1, dir_item);
 925         }
 926     }
 927 }
 928
 929 void wxGenericDirCtrl::ReCreateTree()
 930 {
 931     CollapseDir(m_treeCtrl->GetRootItem());
 932     ExpandRoot();
 933 }
 934
 935 void wxGenericDirCtrl::CollapseTree()
 936 {
 937     wxTreeItemIdValue cookie;
 938     wxTreeItemId child = m_treeCtrl->GetFirstChild(m_rootId, cookie);
 939     while (child.IsOk())
 940     {
 941         CollapseDir(child);
 942         child = m_treeCtrl->GetNextChild(m_rootId, cookie);
 943     }
 944 }
 945
 946 // Find the child that matches the first part of 'path'.
 947 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
 948 // then the child for /usr is returned.
 949 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
 950 {
 951     wxString path2(path);
 952
 953     // Make sure all separators are as per the current platform
 954     path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
 955     path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
 956
 957     // Append a separator to foil bogus substring matching
 958     path2 += wxString(wxFILE_SEP_PATH);
 959
 960     // In MSW or PM, case is not significant
 961 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 962     path2.MakeLower();
 963 #endif
 964
 965     wxTreeItemIdValue cookie;
 966     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
 967     while (childId.IsOk())
 968     {
 969         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 970
 971         if (data && !data->m_path.empty())
 972         {
 973             wxString childPath(data->m_path);
 974             if (!wxEndsWithPathSeparator(childPath))
 975                 childPath += wxString(wxFILE_SEP_PATH);
 976
 977             // In MSW and PM, case is not significant
 978 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__OS2__)
 979             childPath.MakeLower();
 980 #endif
 981
 982             if (childPath.length() <= path2.length())
 983             {
 984                 wxString path3 = path2.Mid(0, childPath.length());
 985                 if (childPath == path3)
 986                 {
 987                     if (path3.length() == path2.length())
 988                         done = true;
 989                     else
 990                         done = false;
 991                     return childId;
 992                 }
 993             }
 994         }
 995
 996         childId = m_treeCtrl->GetNextChild(parentId, cookie);
 997     }
 998     wxTreeItemId invalid;
 999     return invalid;
1000 }
1001
1002 // Try to expand as much of the given path as possible,
1003 // and select the given tree item.
1004 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
1005 {
1006     bool done = false;
1007     wxTreeItemId id = FindChild(m_rootId, path, done);
1008     wxTreeItemId lastId = id; // The last non-zero id
1009     while (id.IsOk() && !done)
1010     {
1011         ExpandDir(id);
1012
1013         id = FindChild(id, path, done);
1014         if (id.IsOk())
1015             lastId = id;
1016     }
1017     if (!lastId.IsOk())
1018         return false;
1019
1020     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
1021     if (data->m_isDir)
1022     {
1023         m_treeCtrl->Expand(lastId);
1024     }
1025     if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
1026     {
1027         // Find the first file in this directory
1028         wxTreeItemIdValue cookie;
1029         wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
1030         bool selectedChild = false;
1031         while (childId.IsOk())
1032         {
1033             data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
1034
1035             if (data && data->m_path != wxEmptyString && !data->m_isDir)
1036             {
1037                 m_treeCtrl->SelectItem(childId);
1038                 m_treeCtrl->EnsureVisible(childId);
1039                 selectedChild = true;
1040                 break;
1041             }
1042             childId = m_treeCtrl->GetNextChild(lastId, cookie);
1043         }
1044         if (!selectedChild)
1045         {
1046             m_treeCtrl->SelectItem(lastId);
1047             m_treeCtrl->EnsureVisible(lastId);
1048         }
1049     }
1050     else
1051     {
1052         m_treeCtrl->SelectItem(lastId);
1053         m_treeCtrl->EnsureVisible(lastId);
1054     }
1055
1056     return true;
1057 }
1058
1059
1060 bool wxGenericDirCtrl::CollapsePath(const wxString& path)
1061 {
1062     bool done           = false;
1063     wxTreeItemId id     = FindChild(m_rootId, path, done);
1064     wxTreeItemId lastId = id; // The last non-zero id
1065
1066     while ( id.IsOk() && !done )
1067     {
1068         CollapseDir(id);
1069
1070         id = FindChild(id, path, done);
1071
1072         if ( id.IsOk() )
1073             lastId = id;
1074     }
1075
1076     if ( !lastId.IsOk() )
1077         return false;
1078
1079     m_treeCtrl->SelectItem(lastId);
1080     m_treeCtrl->EnsureVisible(lastId);
1081
1082     return true;
1083 }
1084
1085
1086 wxString wxGenericDirCtrl::GetPath() const
1087 {
1088     wxTreeItemId id = m_treeCtrl->GetSelection();
1089     if (id)
1090     {
1091         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1092         return data->m_path;
1093     }
1094     else
1095         return wxEmptyString;
1096 }
1097
1098 wxString wxGenericDirCtrl::GetFilePath() const
1099 {
1100     wxTreeItemId id = m_treeCtrl->GetSelection();
1101     if (id)
1102     {
1103         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1104         if (data->m_isDir)
1105             return wxEmptyString;
1106         else
1107             return data->m_path;
1108     }
1109     else
1110         return wxEmptyString;
1111 }
1112
1113 void wxGenericDirCtrl::SetPath(const wxString& path)
1114 {
1115     m_defaultPath = path;
1116     if (m_rootId)
1117         ExpandPath(path);
1118 }
1119
1120 // Not used
1121 #if 0
1122 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1123 {
1124     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1125
1126     // This may take a longish time. Go to busy cursor
1127     wxBusyCursor busy;
1128
1129     wxASSERT(data);
1130
1131     wxString search,path,filename;
1132
1133     wxString dirName(data->m_path);
1134
1135 #if defined(__WXMSW__) || defined(__OS2__)
1136     if (dirName.Last() == ':')
1137         dirName += wxString(wxFILE_SEP_PATH);
1138 #endif
1139
1140     wxDir d;
1141     wxString eachFilename;
1142
1143     wxLogNull log;
1144     d.Open(dirName);
1145
1146     if (d.IsOpened())
1147     {
1148         if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1149         {
1150             do
1151             {
1152                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1153                 {
1154                     filenames.Add(eachFilename);
1155                 }
1156             }
1157             while (d.GetNext(& eachFilename)) ;
1158         }
1159     }
1160 }
1161 #endif
1162
1163 void wxGenericDirCtrl::SetFilterIndex(int n)
1164 {
1165     m_currentFilter = n;
1166
1167     wxString f, d;
1168     if (ExtractWildcard(m_filter, n, f, d))
1169         m_currentFilterStr = f;
1170     else
1171 #ifdef __UNIX__
1172         m_currentFilterStr = wxT("*");
1173 #else
1174         m_currentFilterStr = wxT("*.*");
1175 #endif
1176 }
1177
1178 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1179 {
1180     m_filter = filter;
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 }
1192
1193 // Extract description and actual filter from overall filter string
1194 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1195 {
1196     wxArrayString filters, descriptions;
1197     int count = wxParseCommonDialogsFilter(filterStr, descriptions, filters);
1198     if (count > 0 && n < count)
1199     {
1200         filter = filters[n];
1201         description = descriptions[n];
1202         return true;
1203     }
1204
1205     return false;
1206 }
1207
1208
1209 void wxGenericDirCtrl::DoResize()
1210 {
1211     wxSize sz = GetClientSize();
1212     int verticalSpacing = 3;
1213     if (m_treeCtrl)
1214     {
1215         wxSize filterSz ;
1216         if (m_filterListCtrl)
1217         {
1218             filterSz = m_filterListCtrl->GetSize();
1219             sz.y -= (filterSz.y + verticalSpacing);
1220         }
1221         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1222         if (m_filterListCtrl)
1223         {
1224             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1225             // Don't know why, but this needs refreshing after a resize (wxMSW)
1226             m_filterListCtrl->Refresh();
1227         }
1228     }
1229 }
1230
1231
1232 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1233 {
1234     DoResize();
1235 }
1236
1237 wxTreeItemId wxGenericDirCtrl::AppendItem (const wxTreeItemId & parent,
1238                                            const wxString & text,
1239                                            int image, int selectedImage,
1240                                            wxTreeItemData * data)
1241 {
1242   wxTreeCtrl *treeCtrl = GetTreeCtrl ();
1243
1244   wxASSERT (treeCtrl);
1245
1246   if (treeCtrl)
1247   {
1248     return treeCtrl->AppendItem (parent, text, image, selectedImage, data);
1249   }
1250   else
1251   {
1252     return wxTreeItemId();
1253   }
1254 }
1255
1256
1257 //-----------------------------------------------------------------------------
1258 // wxDirFilterListCtrl
1259 //-----------------------------------------------------------------------------
1260
1261 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1262
1263 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1264     EVT_CHOICE(wxID_ANY, wxDirFilterListCtrl::OnSelFilter)
1265 END_EVENT_TABLE()
1266
1267 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1268               const wxPoint& pos,
1269               const wxSize& size,
1270               long style)
1271 {
1272     m_dirCtrl = parent;
1273     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1274 }
1275
1276 void wxDirFilterListCtrl::Init()
1277 {
1278     m_dirCtrl = NULL;
1279 }
1280
1281 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1282 {
1283     int sel = GetSelection();
1284
1285     wxString currentPath = m_dirCtrl->GetPath();
1286
1287     m_dirCtrl->SetFilterIndex(sel);
1288
1289     // If the filter has changed, the view is out of date, so
1290     // collapse the tree.
1291     m_dirCtrl->ReCreateTree();
1292
1293     // Try to restore the selection, or at least the directory
1294     m_dirCtrl->ExpandPath(currentPath);
1295 }
1296
1297 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1298 {
1299     Clear();
1300     wxArrayString descriptions, filters;
1301     size_t n = (size_t) wxParseCommonDialogsFilter(filter, descriptions, filters);
1302
1303     if (n > 0 && defaultFilter < (int) n)
1304     {
1305         for (size_t i = 0; i < n; i++)
1306             Append(descriptions[i]);
1307         SetSelection(defaultFilter);
1308     }
1309 }
1310 #endif // wxUSE_DIRDLG
1311
1312 #if wxUSE_DIRDLG || wxUSE_FILEDLG
1313
1314 // ----------------------------------------------------------------------------
1315 // wxFileIconsTable icons
1316 // ----------------------------------------------------------------------------
1317
1318 #ifndef __WXGTK24__
1319 /* Computer (c) Julian Smart */
1320 static const char * file_icons_tbl_computer_xpm[] = {
1321 /* columns rows colors chars-per-pixel */
1322 "16 16 42 1",
1323 "r c #4E7FD0",
1324 "$ c #7198D9",
1325 "; c #DCE6F6",
1326 "q c #FFFFFF",
1327 "u c #4A7CCE",
1328 "# c #779DDB",
1329 "w c #95B2E3",
1330 "y c #7FA2DD",
1331 "f c #3263B4",
1332 "= c #EAF0FA",
1333 "< c #B1C7EB",
1334 "% c #6992D7",
1335 "9 c #D9E4F5",
1336 "o c #9BB7E5",
1337 "6 c #F7F9FD",
1338 ", c #BED0EE",
1339 "3 c #F0F5FC",
1340 "1 c #A8C0E8",
1341 "  c None",
1342 "0 c #FDFEFF",
1343 "4 c #C4D5F0",
1344 "@ c #81A4DD",
1345 "e c #4377CD",
1346 "- c #E2EAF8",
1347 "i c #9FB9E5",
1348 "> c #CCDAF2",
1349 "+ c #89A9DF",
1350 "s c #5584D1",
1351 "t c #5D89D3",
1352 ": c #D2DFF4",
1353 "5 c #FAFCFE",
1354 "2 c #F5F8FD",
1355 "8 c #DFE8F7",
1356 "& c #5E8AD4",
1357 "X c #638ED5",
1358 "a c #CEDCF2",
1359 "p c #90AFE2",
1360 "d c #2F5DA9",
1361 "* c #5282D0",
1362 "7 c #E5EDF9",
1363 ". c #A2BCE6",
1364 "O c #8CACE0",
1365 /* pixels */
1366 "                ",
1367 "  .XXXXXXXXXXX  ",
1368 "  oXO++@#$%&*X  ",
1369 "  oX=-;:>,<1%X  ",
1370 "  oX23=-;:4,$X  ",
1371 "  oX5633789:@X  ",
1372 "  oX05623=78+X  ",
1373 "  oXqq05623=OX  ",
1374 "  oX,,,,,<<<$X  ",
1375 "  wXXXXXXXXXXe  ",
1376 "  XrtX%$$y@+O,, ",
1377 "  uyiiiiiiiii@< ",
1378 " ouiiiiiiiiiip<a",
1379 " rustX%$$y@+Ow,,",
1380 " dfffffffffffffd",
1381 "                "
1382 };
1383 #endif // GTK+ < 2.4
1384
1385 // ----------------------------------------------------------------------------
1386 // wxFileIconsTable & friends
1387 // ----------------------------------------------------------------------------
1388
1389 // global instance of a wxFileIconsTable
1390 wxFileIconsTable* wxTheFileIconsTable = (wxFileIconsTable *)NULL;
1391
1392 // A module to allow icons table cleanup
1393
1394 class wxFileIconsTableModule: public wxModule
1395 {
1396 DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
1397 public:
1398     wxFileIconsTableModule() {}
1399     bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return true; }
1400     void OnExit()
1401     {
1402         if (wxTheFileIconsTable)
1403         {
1404             delete wxTheFileIconsTable;
1405             wxTheFileIconsTable = NULL;
1406         }
1407     }
1408 };
1409
1410 IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
1411
1412 class wxFileIconEntry : public wxObject
1413 {
1414 public:
1415     wxFileIconEntry(int i) { id = i; }
1416
1417     int id;
1418 };
1419
1420 wxFileIconsTable::wxFileIconsTable()
1421 {
1422     m_HashTable = NULL;
1423     m_smallImageList = NULL;
1424 }
1425
1426 wxFileIconsTable::~wxFileIconsTable()
1427 {
1428     if (m_HashTable)
1429     {
1430         WX_CLEAR_HASH_TABLE(*m_HashTable);
1431         delete m_HashTable;
1432     }
1433     if (m_smallImageList) delete m_smallImageList;
1434 }
1435
1436 // delayed initialization - wait until first use (wxArtProv not created yet)
1437 void wxFileIconsTable::Create()
1438 {
1439     wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
1440     m_HashTable = new wxHashTable(wxKEY_STRING);
1441     m_smallImageList = new wxImageList(16, 16);
1442
1443     // folder:
1444     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER,
1445                                                    wxART_CMN_DIALOG,
1446                                                    wxSize(16, 16)));
1447     // folder_open
1448     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER_OPEN,
1449                                                    wxART_CMN_DIALOG,
1450                                                    wxSize(16, 16)));
1451     // computer
1452 #ifdef __WXGTK24__
1453     // GTK24 uses this icon in the file open dialog
1454     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1455                                                    wxART_CMN_DIALOG,
1456                                                    wxSize(16, 16)));
1457 #else
1458     m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
1459 #endif
1460     // drive
1461     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_HARDDISK,
1462                                                    wxART_CMN_DIALOG,
1463                                                    wxSize(16, 16)));
1464     // cdrom
1465     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_CDROM,
1466                                                    wxART_CMN_DIALOG,
1467                                                    wxSize(16, 16)));
1468     // floppy
1469     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FLOPPY,
1470                                                    wxART_CMN_DIALOG,
1471                                                    wxSize(16, 16)));
1472     // removeable
1473     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_REMOVABLE,
1474                                                    wxART_CMN_DIALOG,
1475                                                    wxSize(16, 16)));
1476     // file
1477     m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE,
1478                                                    wxART_CMN_DIALOG,
1479                                                    wxSize(16, 16)));
1480     // executable
1481     if (GetIconID(wxEmptyString, _T("application/x-executable")) == file)
1482     {
1483         m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE,
1484                                                        wxART_CMN_DIALOG,
1485                                                        wxSize(16, 16)));
1486         delete m_HashTable->Get(_T("exe"));
1487         m_HashTable->Delete(_T("exe"));
1488         m_HashTable->Put(_T("exe"), new wxFileIconEntry(executable));
1489     }
1490     /* else put into list by GetIconID
1491        (KDE defines application/x-executable for *.exe and has nice icon)
1492      */
1493 }
1494
1495 wxImageList *wxFileIconsTable::GetSmallImageList()
1496 {
1497     if (!m_smallImageList)
1498         Create();
1499
1500     return m_smallImageList;
1501 }
1502
1503 #if wxUSE_MIMETYPE && wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1504 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
1505 //     one icon and we won't resize it
1506
1507 static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
1508 {
1509     const unsigned int size = 16;
1510
1511     wxImage smallimg (size, size);
1512     unsigned char *p1, *p2, *ps;
1513     unsigned char mr = img.GetMaskRed(),
1514                   mg = img.GetMaskGreen(),
1515                   mb = img.GetMaskBlue();
1516
1517     unsigned x, y;
1518     unsigned sr, sg, sb, smask;
1519
1520     p1 = img.GetData(), p2 = img.GetData() + 3 * size*2, ps = smallimg.GetData();
1521     smallimg.SetMaskColour(mr, mr, mr);
1522
1523     for (y = 0; y < size; y++)
1524     {
1525         for (x = 0; x < size; x++)
1526         {
1527             sr = sg = sb = smask = 0;
1528             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1529                 sr += p1[0], sg += p1[1], sb += p1[2];
1530             else smask++;
1531             p1 += 3;
1532             if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1533                 sr += p1[0], sg += p1[1], sb += p1[2];
1534             else smask++;
1535             p1 += 3;
1536             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1537                 sr += p2[0], sg += p2[1], sb += p2[2];
1538             else smask++;
1539             p2 += 3;
1540             if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1541                 sr += p2[0], sg += p2[1], sb += p2[2];
1542             else smask++;
1543             p2 += 3;
1544
1545             if (smask > 2)
1546                 ps[0] = ps[1] = ps[2] = mr;
1547             else
1548             {
1549                 ps[0] = (unsigned char)(sr >> 2);
1550                 ps[1] = (unsigned char)(sg >> 2);
1551                 ps[2] = (unsigned char)(sb >> 2);
1552             }
1553             ps += 3;
1554         }
1555         p1 += size*2 * 3, p2 += size*2 * 3;
1556     }
1557
1558     return wxBitmap(smallimg);
1559 }
1560
1561 // This function is currently not unused anymore
1562 #if 0
1563 // finds empty borders and return non-empty area of image:
1564 static wxImage CutEmptyBorders(const wxImage& img)
1565 {
1566     unsigned char mr = img.GetMaskRed(),
1567                   mg = img.GetMaskGreen(),
1568                   mb = img.GetMaskBlue();
1569     unsigned char *dt = img.GetData(), *dttmp;
1570     unsigned w = img.GetWidth(), h = img.GetHeight();
1571
1572     unsigned top, bottom, left, right, i;
1573     bool empt;
1574
1575 #define MK_DTTMP(x,y)      dttmp = dt + ((x + y * w) * 3)
1576 #define NOEMPTY_PIX(empt)  if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = false; break;}
1577
1578     for (empt = true, top = 0; empt && top < h; top++)
1579     {
1580         MK_DTTMP(0, top);
1581         for (i = 0; i < w; i++, dttmp+=3)
1582             NOEMPTY_PIX(empt)
1583     }
1584     for (empt = true, bottom = h-1; empt && bottom > top; bottom--)
1585     {
1586         MK_DTTMP(0, bottom);
1587         for (i = 0; i < w; i++, dttmp+=3)
1588             NOEMPTY_PIX(empt)
1589     }
1590     for (empt = true, left = 0; empt && left < w; left++)
1591     {
1592         MK_DTTMP(left, 0);
1593         for (i = 0; i < h; i++, dttmp+=3*w)
1594             NOEMPTY_PIX(empt)
1595     }
1596     for (empt = true, right = w-1; empt && right > left; right--)
1597     {
1598         MK_DTTMP(right, 0);
1599         for (i = 0; i < h; i++, dttmp+=3*w)
1600             NOEMPTY_PIX(empt)
1601     }
1602     top--, left--, bottom++, right++;
1603
1604     return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
1605 }
1606 #endif // #if 0
1607
1608 #endif // wxUSE_MIMETYPE
1609
1610 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
1611 {
1612     if (!m_smallImageList)
1613         Create();
1614
1615 #if wxUSE_MIMETYPE
1616     if (!extension.empty())
1617     {
1618         wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
1619         if (entry) return (entry -> id);
1620     }
1621
1622     wxFileType *ft = (mime.empty()) ?
1623                    wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
1624                    wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
1625
1626     wxIconLocation iconLoc;
1627     wxIcon ic;
1628
1629     {
1630         wxLogNull logNull;
1631         if ( ft && ft->GetIcon(&iconLoc) )
1632         {
1633             ic = wxIcon( iconLoc );
1634         }
1635     }
1636
1637     delete ft;
1638
1639     if ( !ic.Ok() )
1640     {
1641         int newid = file;
1642         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1643         return newid;
1644     }
1645
1646     wxBitmap bmp;
1647     bmp.CopyFromIcon(ic);
1648
1649     if ( !bmp.Ok() )
1650     {
1651         int newid = file;
1652         m_HashTable->Put(extension, new wxFileIconEntry(newid));
1653         return newid;
1654     }
1655
1656     const unsigned int size = 16;
1657
1658     int id = m_smallImageList->GetImageCount();
1659     if ((bmp.GetWidth() == (int) size) && (bmp.GetHeight() == (int) size))
1660     {
1661         m_smallImageList->Add(bmp);
1662     }
1663 #if wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
1664     else
1665     {
1666         wxImage img = bmp.ConvertToImage();
1667
1668         if ((img.GetWidth() != size*2) || (img.GetHeight() != size*2))
1669 //            m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(size*2, size*2)));
1670             m_smallImageList->Add(CreateAntialiasedBitmap(img.Rescale(size*2, size*2)));
1671         else
1672             m_smallImageList->Add(CreateAntialiasedBitmap(img));
1673     }
1674 #endif // wxUSE_IMAGE
1675
1676     m_HashTable->Put(extension, new wxFileIconEntry(id));
1677     return id;
1678
1679 #else // !wxUSE_MIMETYPE
1680
1681     wxUnusedVar(mime);
1682     if (extension == wxT("exe"))
1683         return executable;
1684     else
1685         return file;
1686 #endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
1687 }
1688
1689 #endif // wxUSE_DIRDLG || wxUSE_FILEDLG