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