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 #ifdef __GNUG__
  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
  24
  25 #include "wx/utils.h"
  26 #include "wx/dialog.h"
  27 #include "wx/button.h"
  28 #include "wx/layout.h"
  29 #include "wx/msgdlg.h"
  30 #include "wx/textctrl.h"
  31 #include "wx/textdlg.h"
  32 #include "wx/filefn.h"
  33 #include "wx/cmndata.h"
  34 #include "wx/gdicmn.h"
  35 #include "wx/intl.h"
  36 #include "wx/imaglist.h"
  37 #include "wx/icon.h"
  38 #include "wx/log.h"
  39 #include "wx/sizer.h"
  40 #include "wx/tokenzr.h"
  41 #include "wx/dir.h"
  42 #include "wx/settings.h"
  43
  44 #if wxUSE_STATLINE
  45     #include "wx/statline.h"
  46 #endif
  47
  48 #include "wx/generic/dirctrlg.h"
  49
  50 #if defined(__WXMAC__)
  51   #include  "wx/mac/private.h"  // includes mac headers
  52 #endif
  53
  54 #ifdef __WXMSW__
  55 #include <windows.h>
  56
  57 // FIXME - Mingw32 1.0 has both _getdrive() and _chdrive(). For now, let's assume
  58 //         older releases don't, but it should be verified and the checks modified
  59 //         accordingly.
  60 #if !defined(__GNUWIN32__) || \
  61     (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
  62   #include <direct.h>
  63   #include <stdlib.h>
  64   #include <ctype.h>
  65 #endif
  66
  67 #endif
  68
  69 #ifdef __WXPM__
  70
  71 #define INCL_BASE
  72 #include <os2.h>
  73 #include <direct.h>
  74 #include <stdlib.h>
  75 #include <ctype.h>
  76
  77 #endif // __WXPM__
  78
  79 #if defined(__WXMAC__)
  80 #  include "MoreFilesExtras.h"
  81 #endif
  82
  83 #ifdef __BORLANDC__
  84 #include "dos.h"
  85 #endif
  86
  87 // If compiled under Windows, this macro can cause problems
  88 #ifdef GetFirstChild
  89 #undef GetFirstChild
  90 #endif
  91
  92 /* Closed folder */
  93 static const char * icon1_xpm[] = {
  94 /* width height ncolors chars_per_pixel */
  95 "16 16 6 1",
  96 /* colors */
  97 "   s None  c None",
  98 ".  c #000000",
  99 "+  c #c0c0c0",
 100 "@  c #808080",
 101 "#  c #ffff00",
 102 "$  c #ffffff",
 103 /* pixels */
 104 "                ",
 105 "   @@@@@        ",
 106 "  @#+#+#@       ",
 107 " @#+#+#+#@@@@@@ ",
 108 " @$$$$$$$$$$$$@.",
 109 " @$#+#+#+#+#+#@.",
 110 " @$+#+#+#+#+#+@.",
 111 " @$#+#+#+#+#+#@.",
 112 " @$+#+#+#+#+#+@.",
 113 " @$#+#+#+#+#+#@.",
 114 " @$+#+#+#+#+#+@.",
 115 " @$#+#+#+#+#+#@.",
 116 " @@@@@@@@@@@@@@.",
 117 "  ..............",
 118 "                ",
 119 "                "};
 120
 121 /* Open folder */
 122 static const char * icon2_xpm[] = {
 123 /* width height ncolors chars_per_pixel */
 124 "16 16 6 1",
 125 /* colors */
 126 "   s None  c None",
 127 ".  c #000000",
 128 "+  c #c0c0c0",
 129 "@  c #808080",
 130 "#  c #ffff00",
 131 "$  c #ffffff",
 132 /* pixels */
 133 "                ",
 134 "   @@@@@        ",
 135 "  @$$$$$@       ",
 136 " @$#+#+#$@@@@@@ ",
 137 " @$+#+#+$$$$$$@.",
 138 " @$#+#+#+#+#+#@.",
 139 "@@@@@@@@@@@@@#@.",
 140 "@$$$$$$$$$$@@+@.",
 141 "@$#+#+#+#+##.@@.",
 142 " @$#+#+#+#+#+.@.",
 143 " @$+#+#+#+#+#.@.",
 144 "  @$+#+#+#+##@..",
 145 "  @@@@@@@@@@@@@.",
 146 "   .............",
 147 "                ",
 148 "                "};
 149
 150 /* File */
 151 static const char * icon3_xpm[] = {
 152 /* width height ncolors chars_per_pixel */
 153 "16 16 3 1",
 154 /* colors */
 155 "     s None    c None",
 156 ".    c #000000",
 157 "+    c #ffffff",
 158 /* pixels */
 159 "                ",
 160 "  ........      ",
 161 "  .++++++..     ",
 162 "  .+.+.++.+.    ",
 163 "  .++++++....   ",
 164 "  .+.+.+++++.   ",
 165 "  .+++++++++.   ",
 166 "  .+.+.+.+.+.   ",
 167 "  .+++++++++.   ",
 168 "  .+.+.+.+.+.   ",
 169 "  .+++++++++.   ",
 170 "  .+.+.+.+.+.   ",
 171 "  .+++++++++.   ",
 172 "  ...........   ",
 173 "                ",
 174 "                "};
 175
 176 /* Computer */
 177 static const char * icon4_xpm[] = {
 178 "16 16 7 1",
 179 "     s None    c None",
 180 ".    c #808080",
 181 "X    c #c0c0c0",
 182 "o    c Black",
 183 "O    c Gray100",
 184 "+    c #008080",
 185 "@    c Blue",
 186 "    ........... ",
 187 "   .XXXXXXXXXX.o",
 188 "   .OOOOOOOOO..o",
 189 "   .OoooooooX..o",
 190 "   .Oo+...@+X..o",
 191 "   .Oo+XXX.+X..o",
 192 "   .Oo+....+X..o",
 193 "   .Oo++++++X..o",
 194 "   .OXXXXXXXX.oo",
 195 "   ..........o.o",
 196 "   ...........Xo",
 197 "   .XXXXXXXXXX.o",
 198 "  .o.o.o.o.o...o",
 199 " .oXoXoXoXoXo.o ",
 200 ".XOXXXXXXXXX.o  ",
 201 "............o   "};
 202
 203 /* Drive */
 204 static const char * icon5_xpm[] = {
 205 "16 16 7 1",
 206 "     s None    c None",
 207 ".    c #808080",
 208 "X    c #c0c0c0",
 209 "o    c Black",
 210 "O    c Gray100",
 211 "+    c Green",
 212 "@    c #008000",
 213 "                ",
 214 "                ",
 215 "                ",
 216 "                ",
 217 "  ............. ",
 218 " .XXXXXXXXXXXX.o",
 219 ".OOOOOOOOOOOO..o",
 220 ".XXXXXXXXX+@X..o",
 221 ".XXXXXXXXXXXX..o",
 222 ".X..........X..o",
 223 ".XOOOOOOOOOOX..o",
 224 "..............o ",
 225 " ooooooooooooo  ",
 226 "                ",
 227 "                ",
 228 "                "};
 229
 230 /* CD-ROM */
 231 static const char *icon6_xpm[] = {
 232 "16 16 10 1",
 233 "     s None    c None",
 234 ".    c #808080",
 235 "X    c #c0c0c0",
 236 "o    c Yellow",
 237 "O    c Blue",
 238 "+    c Black",
 239 "@    c Gray100",
 240 "#    c #008080",
 241 "$    c Green",
 242 "%    c #008000",
 243 "        ...     ",
 244 "      ..XoX..   ",
 245 "     .O.XoXXX+  ",
 246 "    ...O.oXXXX+ ",
 247 "    .O..X.XXXX+ ",
 248 "   ....X.+..XXX+",
 249 "   .XXX.+@+.XXX+",
 250 "   .X@XX.+.X@@X+",
 251 " .....X...#XX@+ ",
 252 ".@@@...XXo.O@X+ ",
 253 ".@XXX..XXoXOO+  ",
 254 ".@++++..XoX+++  ",
 255 ".@$%@@XX+++X.+  ",
 256 ".............+  ",
 257 " ++++++++++++   ",
 258 "                "};
 259
 260 /* Floppy */
 261 static const char * icon7_xpm[] = {
 262 "16 16 7 1",
 263 "     s None    c None",
 264 ".    c #808080",
 265 "X    c Gray100",
 266 "o    c #c0c0c0",
 267 "O    c Black",
 268 "+    c Cyan",
 269 "@    c Red",
 270 "         ......X",
 271 "        .ooooooO",
 272 "        .+++++OO",
 273 "        .++++++O",
 274 "        .++++++O",
 275 "        .ooooooO",
 276 "  .......o....oO",
 277 " .oooooo.o.O.XoO",
 278 ".XXXXXXXXOOOOOO ",
 279 ".ooooooooo@o..O ",
 280 ".ooo....oooo..O ",
 281 ".o..OOOO...o..O ",
 282 ".oooXXXXoooo..O ",
 283 ".............O  ",
 284 " OOOOOOOOOOOO   ",
 285 "                "};
 286
 287 /* Removeable */
 288 static const char * icon8_xpm[] = {
 289 "16 16 7 1",
 290 "     s None    c None",
 291 ".    c #808080",
 292 "X    c #c0c0c0",
 293 "o    c Black",
 294 "O    c Gray100",
 295 "+    c Red",
 296 "@    c #800000",
 297 "                ",
 298 "                ",
 299 "                ",
 300 "  ............. ",
 301 " .XXXXXXXXXXXX.o",
 302 ".OOOOOOOOOOOO..o",
 303 ".OXXXXXXXXXXX..o",
 304 ".O+@.oooooo.X..o",
 305 ".OXXOooooooOX..o",
 306 ".OXXXOOOOOOXX..o",
 307 ".OXXXXXXXXXXX..o",
 308 ".O............o ",
 309 " ooooooooooooo  ",
 310 "                ",
 311 "                ",
 312 "                "};
 313
 314
 315 #if defined(__DOS__)
 316
 317 bool wxIsDriveAvailable(const wxString& dirName)
 318 {
 319     // FIXME_MGL - this method leads to hang up under Watcom for some reason
 320 #ifndef __WATCOMC__
 321     if ( dirName.Len() == 3 && dirName[1u] == wxT(':') )
 322     {
 323         wxString dirNameLower(dirName.Lower());
 324         // VS: always return TRUE for removable media, since Win95 doesn't
 325         //     like it when MS-DOS app accesses empty floppy drive
 326         return (dirNameLower[0u] == wxT('a') ||
 327                 dirNameLower[0u] == wxT('b') ||
 328                 wxPathExists(dirNameLower));
 329     }
 330     else
 331 #endif
 332         return TRUE;
 333 }
 334
 335 #elif defined(__WINDOWS__) || defined(__WXPM__)
 336
 337 int setdrive(int drive)
 338 {
 339 #if defined(__GNUWIN32__) && \
 340     (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 341     return _chdrive(drive);
 342 #else
 343         wxChar  newdrive[3];
 344
 345         if (drive < 1 || drive > 31)
 346                 return -1;
 347         newdrive[0] = (wxChar)(wxT('A') + drive - 1);
 348         newdrive[1] = wxT(':');
 349         newdrive[2] = wxT('\0');
 350 #if defined(__WXMSW__)
 351 #ifdef __WIN16__
 352     if (wxSetWorkingDirectory(newdrive))
 353 #else
 354         if (::SetCurrentDirectory(newdrive))
 355 #endif
 356 #else
 357     // VA doesn't know what LPSTR is and has its own set
 358         if (DosSetCurrentDir((PSZ)newdrive))
 359 #endif
 360                 return 0;
 361         else
 362                 return -1;
 363 #endif // !GNUWIN32
 364 }
 365
 366 bool wxIsDriveAvailable(const wxString& dirName)
 367 {
 368 #ifdef __WIN32__
 369     UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
 370 #endif
 371     bool success = TRUE;
 372
 373     // Check if this is a root directory and if so,
 374     // whether the drive is avaiable.
 375     if (dirName.Len() == 3 && dirName[(size_t)1] == wxT(':'))
 376     {
 377         wxString dirNameLower(dirName.Lower());
 378 #if defined(__GNUWIN32__) && \
 379     !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
 380         success = wxPathExists(dirNameLower);
 381 #else
 382         int currentDrive = _getdrive();
 383         int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
 384         int err = setdrive( thisDrive ) ;
 385         setdrive( currentDrive );
 386
 387         if (err == -1)
 388         {
 389             success = FALSE;
 390         }
 391 #endif
 392     }
 393 #ifdef __WIN32__
 394     (void) SetErrorMode(errorMode);
 395 #endif
 396
 397     return success;
 398 }
 399 #endif // __WINDOWS__ || __WXPM__
 400
 401 // Function which is called by quick sort. We want to override the default wxArrayString behaviour,
 402 // and sort regardless of case.
 403 static int LINKAGEMODE wxDirCtrlStringCompareFunction(const void *first, const void *second)
 404 {
 405     wxString *strFirst = (wxString *)first;
 406     wxString *strSecond = (wxString *)second;
 407
 408     return strFirst->CmpNoCase(*strSecond);
 409 }
 410
 411 //-----------------------------------------------------------------------------
 412 // wxDirItemData
 413 //-----------------------------------------------------------------------------
 414
 415 wxDirItemData::wxDirItemData(const wxString& path, const wxString& name,
 416                              bool isDir)
 417 {
 418     m_path = path;
 419     m_name = name;
 420     /* Insert logic to detect hidden files here
 421      * In UnixLand we just check whether the first char is a dot
 422      * For FileNameFromPath read LastDirNameInThisPath ;-) */
 423     // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
 424     m_isHidden = FALSE;
 425     m_isExpanded = FALSE;
 426     m_isDir = isDir;
 427 }
 428
 429 wxDirItemData::~wxDirItemData()
 430 {
 431 }
 432
 433 void wxDirItemData::SetNewDirName(const wxString& path)
 434 {
 435     m_path = path;
 436     m_name = wxFileNameFromPath(path);
 437 }
 438
 439 bool wxDirItemData::HasSubDirs() const
 440 {
 441     if (m_path.IsEmpty())
 442         return FALSE;
 443
 444     wxDir dir;
 445     {
 446         wxLogNull nolog;
 447         if ( !dir.Open(m_path) )
 448             return FALSE;
 449     }
 450
 451     return dir.HasSubDirs();
 452 }
 453
 454 bool wxDirItemData::HasFiles(const wxString& WXUNUSED(spec)) const
 455 {
 456     if (m_path.IsEmpty())
 457         return FALSE;
 458
 459     wxDir dir;
 460     {
 461         wxLogNull nolog;
 462         if ( !dir.Open(m_path) )
 463             return FALSE;
 464     }
 465
 466     return dir.HasFiles();
 467 }
 468
 469 //-----------------------------------------------------------------------------
 470 // wxGenericDirCtrl
 471 //-----------------------------------------------------------------------------
 472
 473 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
 474
 475 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
 476   EVT_TREE_ITEM_EXPANDING     (-1, wxGenericDirCtrl::OnExpandItem)
 477   EVT_TREE_ITEM_COLLAPSED     (-1, wxGenericDirCtrl::OnCollapseItem)
 478   EVT_TREE_BEGIN_LABEL_EDIT   (-1, wxGenericDirCtrl::OnBeginEditItem)
 479   EVT_TREE_END_LABEL_EDIT     (-1, wxGenericDirCtrl::OnEndEditItem)
 480   EVT_SIZE                    (wxGenericDirCtrl::OnSize)
 481 END_EVENT_TABLE()
 482
 483 wxGenericDirCtrl::wxGenericDirCtrl(void)
 484 {
 485     Init();
 486 }
 487
 488 bool wxGenericDirCtrl::Create(wxWindow *parent,
 489                               const wxWindowID id,
 490                               const wxString& dir,
 491                               const wxPoint& pos,
 492                               const wxSize& size,
 493                               long style,
 494                               const wxString& filter,
 495                               int defaultFilter,
 496                               const wxString& name)
 497 {
 498     if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
 499         return FALSE;
 500
 501     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 502
 503     Init();
 504
 505     long treeStyle = wxTR_HAS_BUTTONS;
 506
 507 #ifdef __WXMSW__
 508     if (style & wxDIRCTRL_EDITABLE)
 509         treeStyle |= wxTR_EDIT_LABELS;
 510 #endif
 511
 512 #ifndef __WXMSW__
 513     // FIXME, doesn't work for some reason
 514     treeStyle |= wxTR_HIDE_ROOT;
 515 #endif
 516
 517     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 518         treeStyle |= wxNO_BORDER;
 519
 520     long filterStyle = 0;
 521     if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
 522         filterStyle |= wxNO_BORDER;
 523
 524     m_treeCtrl = new wxTreeCtrl(this, wxID_TREECTRL, pos, size, treeStyle);
 525
 526     if (!filter.IsEmpty() && (style & wxDIRCTRL_SHOW_FILTERS))
 527         m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
 528
 529     m_defaultPath = dir;
 530     m_filter = filter;
 531
 532     SetFilterIndex(defaultFilter);
 533
 534     if (m_filterListCtrl)
 535         m_filterListCtrl->FillFilterList(filter, defaultFilter);
 536
 537     m_imageList = new wxImageList(16, 16, TRUE);
 538     m_imageList->Add(wxIcon(icon1_xpm));
 539     m_imageList->Add(wxIcon(icon2_xpm));
 540     m_imageList->Add(wxIcon(icon3_xpm));
 541     m_imageList->Add(wxIcon(icon4_xpm));
 542     m_imageList->Add(wxIcon(icon5_xpm));
 543     m_imageList->Add(wxIcon(icon6_xpm));
 544     m_imageList->Add(wxIcon(icon7_xpm));
 545     m_imageList->Add(wxIcon(icon8_xpm));
 546     m_treeCtrl->AssignImageList(m_imageList);
 547
 548     m_showHidden = FALSE;
 549     wxDirItemData* rootData = new wxDirItemData(wxT(""), wxT(""), TRUE);
 550
 551     wxString rootName;
 552
 553 #if defined(__WINDOWS__) || defined(__WXPM__) || defined(__DOS__)
 554     rootName = _("Computer");
 555 #else
 556     rootName = _("Sections");
 557 #endif
 558
 559     m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
 560     m_treeCtrl->SetItemHasChildren(m_rootId);
 561     m_treeCtrl->Expand(m_rootId); // automatically expand first level
 562
 563     // Expand and select the default path
 564     if (!m_defaultPath.IsEmpty())
 565         ExpandPath(m_defaultPath);
 566
 567     DoResize();
 568
 569     return TRUE;
 570 }
 571
 572 wxGenericDirCtrl::~wxGenericDirCtrl()
 573 {
 574 }
 575
 576 void wxGenericDirCtrl::Init()
 577 {
 578     m_showHidden = FALSE;
 579     m_imageList = NULL;
 580     m_currentFilter = 0;
 581     m_currentFilterStr = wxEmptyString; // Default: any file
 582     m_treeCtrl = NULL;
 583     m_filterListCtrl = NULL;
 584 }
 585
 586 void wxGenericDirCtrl::ShowHidden( bool show )
 587 {
 588     m_showHidden = show;
 589
 590     wxString path = GetPath();
 591     m_treeCtrl->Collapse(m_treeCtrl->GetRootItem());
 592     m_treeCtrl->Expand(m_treeCtrl->GetRootItem());
 593     SetPath(path);
 594 }
 595
 596 void wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
 597 {
 598     wxDirItemData *dir_item = new wxDirItemData(path,name,TRUE);
 599
 600     wxTreeItemId id = m_treeCtrl->AppendItem( m_rootId, name, imageId, -1, dir_item);
 601
 602     m_treeCtrl->SetItemHasChildren(id);
 603 }
 604
 605 void wxGenericDirCtrl::SetupSections()
 606 {
 607 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 608
 609 #ifdef __WIN32__
 610     wxChar driveBuffer[256];
 611     size_t n = (size_t) GetLogicalDriveStrings(255, driveBuffer);
 612     size_t i = 0;
 613     while (i < n)
 614     {
 615         wxString path, name;
 616         path.Printf(wxT("%c:\\"), driveBuffer[i]);
 617         name.Printf(wxT("(%c:)"), driveBuffer[i]);
 618
 619         int imageId = 4;
 620         int driveType = ::GetDriveType(path);
 621         switch (driveType)
 622         {
 623             case DRIVE_REMOVABLE:
 624                 if (path == wxT("a:\\") || path == wxT("b:\\"))
 625                     imageId = 6; // Floppy
 626                 else
 627                     imageId = 7;
 628                 break;
 629             case DRIVE_FIXED:
 630                 imageId = 4;
 631                 break;
 632             case DRIVE_REMOTE:
 633                 imageId = 4;
 634                 break;
 635             case DRIVE_CDROM:
 636                 imageId = 5;
 637                 break;
 638             default:
 639                 imageId = 4;
 640                 break;
 641         }
 642
 643         AddSection(path, name, imageId);
 644
 645         while (driveBuffer[i] != wxT('\0'))
 646             i ++;
 647         i ++;
 648         if (driveBuffer[i] == wxT('\0'))
 649             break;
 650     }
 651 #else // !__WIN32__
 652     int drive;
 653
 654     /* If we can switch to the drive, it exists. */
 655     for( drive = 1; drive <= 26; drive++ )
 656     {
 657         wxString path, name;
 658         path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
 659         name.Printf(wxT("(%c:)"), (char) (drive + 'A' - 1));
 660
 661         if (wxIsDriveAvailable(path))
 662         {
 663             AddSection(path, name, (drive <= 2) ? 6/*floppy*/ : 4/*disk*/);
 664         }
 665     }
 666 #endif // __WIN32__/!__WIN32__
 667
 668 #elif defined(__WXMAC__)
 669     FSSpec volume ;
 670     short index = 1 ;
 671     while(1) {
 672       short actualCount = 0 ;
 673       if ( OnLine( &volume , 1 , &actualCount , &index ) != noErr || actualCount == 0 )
 674         break ;
 675
 676       wxString name = wxMacFSSpec2MacFilename( &volume ) ;
 677       AddSection(name + wxFILE_SEP_PATH, name, 0);
 678     }
 679 #elif defined(__UNIX__)
 680     AddSection(wxT("/"), wxT("/"), 3/*computer icon*/);
 681 #else
 682     #error "Unsupported platform in wxGenericDirCtrl!"
 683 #endif
 684 }
 685
 686 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
 687 {
 688     // don't rename the main entry "Sections"
 689     if (event.GetItem() == m_rootId)
 690     {
 691         event.Veto();
 692         return;
 693     }
 694
 695     // don't rename the individual sections
 696     if (m_treeCtrl->GetParent( event.GetItem() ) == m_rootId)
 697     {
 698         event.Veto();
 699         return;
 700     }
 701 }
 702
 703 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
 704 {
 705     if ((event.GetLabel().IsEmpty()) ||
 706         (event.GetLabel() == _(".")) ||
 707         (event.GetLabel() == _("..")) ||
 708         (event.GetLabel().First( wxT("/") ) != wxNOT_FOUND))
 709     {
 710         wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
 711         dialog.ShowModal();
 712         event.Veto();
 713         return;
 714     }
 715
 716     wxTreeItemId id = event.GetItem();
 717     wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
 718     wxASSERT( data );
 719
 720     wxString new_name( wxPathOnly( data->m_path ) );
 721     new_name += wxString(wxFILE_SEP_PATH);
 722     new_name += event.GetLabel();
 723
 724     wxLogNull log;
 725
 726     if (wxFileExists(new_name))
 727     {
 728         wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
 729         dialog.ShowModal();
 730         event.Veto();
 731     }
 732
 733     if (wxRenameFile(data->m_path,new_name))
 734     {
 735         data->SetNewDirName( new_name );
 736     }
 737     else
 738     {
 739         wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
 740         dialog.ShowModal();
 741         event.Veto();
 742     }
 743 }
 744
 745 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
 746 {
 747     wxTreeItemId parentId = event.GetItem();
 748
 749     // VS: this is needed because the event handler is called from wxTreeCtrl
 750     //     ctor when wxTR_HIDE_ROOT was specified
 751     if (m_rootId == 0)
 752         m_rootId = m_treeCtrl->GetRootItem();
 753
 754     ExpandDir(parentId);
 755 }
 756
 757 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
 758 {
 759     wxTreeItemId child, parent = event.GetItem();
 760
 761     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(event.GetItem());
 762     if (!data->m_isExpanded)
 763         return;
 764
 765     data->m_isExpanded = FALSE;
 766     long cookie;
 767     /* Workaround because DeleteChildren has disapeared (why?) and
 768      * CollapseAndReset doesn't work as advertised (deletes parent too) */
 769     child = m_treeCtrl->GetFirstChild(parent, cookie);
 770     while (child.IsOk())
 771     {
 772         m_treeCtrl->Delete(child);
 773         /* Not GetNextChild below, because the cookie mechanism can't
 774          * handle disappearing children! */
 775         child = m_treeCtrl->GetFirstChild(parent, cookie);
 776     }
 777 }
 778
 779 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
 780 {
 781     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
 782
 783     if (data->m_isExpanded)
 784         return;
 785
 786     data->m_isExpanded = TRUE;
 787
 788     if (parentId == m_treeCtrl->GetRootItem())
 789     {
 790         SetupSections();
 791         return;
 792     }
 793
 794     wxASSERT(data);
 795
 796     wxString search,path,filename;
 797
 798     wxString dirName(data->m_path);
 799
 800 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 801     // Check if this is a root directory and if so,
 802     // whether the drive is avaiable.
 803     if (!wxIsDriveAvailable(dirName))
 804     {
 805         data->m_isExpanded = FALSE;
 806         //wxMessageBox(wxT("Sorry, this drive is not available."));
 807         return;
 808     }
 809 #endif
 810
 811     // This may take a longish time. Go to busy cursor
 812     wxBusyCursor busy;
 813
 814 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 815     if (dirName.Last() == ':')
 816         dirName += wxString(wxFILE_SEP_PATH);
 817 #endif
 818
 819     wxArrayString dirs;
 820     wxArrayString filenames;
 821
 822     wxDir d;
 823     wxString eachFilename;
 824
 825     wxLogNull log;
 826     d.Open(dirName);
 827
 828     if (d.IsOpened())
 829     {
 830         int style = wxDIR_DIRS;
 831         if (m_showHidden) style |= wxDIR_HIDDEN;
 832         if (d.GetFirst(& eachFilename, wxEmptyString, style))
 833         {
 834             do
 835             {
 836                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 837                 {
 838                     dirs.Add(eachFilename);
 839                 }
 840             }
 841             while (d.GetNext(& eachFilename));
 842         }
 843     }
 844     dirs.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
 845
 846     // Now do the filenames -- but only if we're allowed to
 847     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 848     {
 849         wxLogNull log;
 850
 851         d.Open(dirName);
 852
 853         if (d.IsOpened())
 854         {
 855             if (d.GetFirst(& eachFilename, m_currentFilterStr, wxDIR_FILES))
 856             {
 857                 do
 858                 {
 859                     if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
 860                     {
 861                         filenames.Add(eachFilename);
 862                     }
 863                 }
 864                 while (d.GetNext(& eachFilename));
 865             }
 866         }
 867         filenames.Sort((wxArrayString::CompareFunction) 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 (path.Last() != wxFILE_SEP_PATH)
 877             path += wxString(wxFILE_SEP_PATH);
 878         path += eachFilename;
 879
 880         wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,TRUE);
 881         wxTreeItemId id = m_treeCtrl->AppendItem( parentId, eachFilename, 0, -1, dir_item);
 882         m_treeCtrl->SetItemImage( id, 1, wxTreeItemIcon_Expanded );
 883
 884         // Has this got any children? If so, make it expandable.
 885         // (There are two situations when a dir has children: either it
 886         // has subdirectories or it contains files that weren't filtered
 887         // out. The latter only applies to dirctrl with files.)
 888         if ( dir_item->HasSubDirs() ||
 889              (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
 890                dir_item->HasFiles(m_currentFilterStr)) )
 891         {
 892             m_treeCtrl->SetItemHasChildren(id);
 893         }
 894     }
 895
 896     // Add the sorted filenames
 897     if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
 898     {
 899         for (i = 0; i < filenames.Count(); i++)
 900         {
 901             wxString eachFilename(filenames[i]);
 902             path = dirName;
 903             if (path.Last() != wxFILE_SEP_PATH)
 904                 path += wxString(wxFILE_SEP_PATH);
 905             path += eachFilename;
 906             //path = dirName + wxString(wxT("/")) + eachFilename;
 907             wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,FALSE);
 908             (void)m_treeCtrl->AppendItem( parentId, eachFilename, 2, -1, dir_item);
 909         }
 910     }
 911 }
 912
 913 // Find the child that matches the first part of 'path'.
 914 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
 915 // then the child for /usr is returned.
 916 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
 917 {
 918     wxString path2(path);
 919
 920     // Make sure all separators are as per the current platform
 921     path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
 922     path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
 923
 924     // Append a separator to foil bogus substring matching
 925     path2 += wxString(wxFILE_SEP_PATH);
 926
 927     // In MSW or PM, case is not significant
 928 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 929     path2.MakeLower();
 930 #endif
 931
 932     long cookie;
 933     wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
 934     while (childId.IsOk())
 935     {
 936         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
 937
 938         if (data && !data->m_path.IsEmpty())
 939         {
 940             wxString childPath(data->m_path);
 941             if (childPath.Last() != wxFILE_SEP_PATH)
 942                 childPath += wxString(wxFILE_SEP_PATH);
 943
 944             // In MSW and PM, case is not significant
 945 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
 946             childPath.MakeLower();
 947 #endif
 948
 949             if (childPath.Len() <= path2.Len())
 950             {
 951                 wxString path3 = path2.Mid(0, childPath.Len());
 952                 if (childPath == path3)
 953                 {
 954                     if (path3.Len() == path2.Len())
 955                         done = TRUE;
 956                     else
 957                         done = FALSE;
 958                     return childId;
 959                 }
 960             }
 961         }
 962
 963         childId = m_treeCtrl->GetNextChild(parentId, cookie);
 964     }
 965     wxTreeItemId invalid;
 966     return invalid;
 967 }
 968
 969 // Try to expand as much of the given path as possible,
 970 // and select the given tree item.
 971 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
 972 {
 973     bool done = FALSE;
 974     wxTreeItemId id = FindChild(m_rootId, path, done);
 975     wxTreeItemId lastId = id; // The last non-zero id
 976     while (id.IsOk() && !done)
 977     {
 978         ExpandDir(id);
 979
 980         id = FindChild(id, path, done);
 981         if (id.IsOk())
 982             lastId = id;
 983     }
 984     if (lastId.IsOk())
 985     {
 986         wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
 987         if (data->m_isDir)
 988         {
 989             m_treeCtrl->Expand(lastId);
 990         }
 991         if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
 992         {
 993             // Find the first file in this directory
 994             long cookie;
 995             wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
 996             bool selectedChild = FALSE;
 997             while (childId.IsOk())
 998             {
 999                 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
1000
1001                 if (data && data->m_path != "" && !data->m_isDir)
1002                 {
1003                     m_treeCtrl->SelectItem(childId);
1004                     m_treeCtrl->EnsureVisible(childId);
1005                     selectedChild = TRUE;
1006                     break;
1007                 }
1008                 childId = m_treeCtrl->GetNextChild(lastId, cookie);
1009             }
1010             if (!selectedChild)
1011             {
1012                 m_treeCtrl->SelectItem(lastId);
1013                 m_treeCtrl->EnsureVisible(lastId);
1014             }
1015         }
1016         else
1017         {
1018             m_treeCtrl->SelectItem(lastId);
1019             m_treeCtrl->EnsureVisible(lastId);
1020         }
1021
1022         return TRUE;
1023     }
1024     else
1025         return FALSE;
1026 }
1027
1028 wxString wxGenericDirCtrl::GetPath() const
1029 {
1030     wxTreeItemId id = m_treeCtrl->GetSelection();
1031     if (id)
1032     {
1033         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1034         return data->m_path;
1035     }
1036     else
1037         return wxEmptyString;
1038 }
1039
1040 wxString wxGenericDirCtrl::GetFilePath() const
1041 {
1042     wxTreeItemId id = m_treeCtrl->GetSelection();
1043     if (id)
1044     {
1045         wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1046         if (data->m_isDir)
1047             return wxEmptyString;
1048         else
1049             return data->m_path;
1050     }
1051     else
1052         return wxEmptyString;
1053 }
1054
1055 void wxGenericDirCtrl::SetPath(const wxString& path)
1056 {
1057     m_defaultPath = path;
1058     if (m_rootId)
1059         ExpandPath(path);
1060 }
1061
1062 // Not used
1063 #if 0
1064 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1065 {
1066     wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1067
1068     // This may take a longish time. Go to busy cursor
1069     wxBusyCursor busy;
1070
1071     wxASSERT(data);
1072
1073     wxString search,path,filename;
1074
1075     wxString dirName(data->m_path);
1076
1077 #if defined(__WXMSW__) || defined(__WXPM__)
1078     if (dirName.Last() == ':')
1079         dirName += wxString(wxFILE_SEP_PATH);
1080 #endif
1081
1082     wxDir d;
1083     wxString eachFilename;
1084
1085     wxLogNull log;
1086     d.Open(dirName);
1087
1088     if (d.IsOpened())
1089     {
1090         if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1091         {
1092             do
1093             {
1094                 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1095                 {
1096                     filenames.Add(eachFilename);
1097                 }
1098             }
1099             while (d.GetNext(& eachFilename)) ;
1100         }
1101     }
1102 }
1103 #endif
1104
1105 void wxGenericDirCtrl::SetFilterIndex(int n)
1106 {
1107     m_currentFilter = n;
1108
1109     wxString f, d;
1110     if (ExtractWildcard(m_filter, n, f, d))
1111         m_currentFilterStr = f;
1112     else
1113         m_currentFilterStr = wxT("*.*");
1114 }
1115
1116 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1117 {
1118     m_filter = filter;
1119
1120     wxString f, d;
1121     if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1122         m_currentFilterStr = f;
1123     else
1124         m_currentFilterStr = wxT("*.*");
1125 }
1126
1127 // Extract description and actual filter from overall filter string
1128 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1129 {
1130     wxArrayString filters, descriptions;
1131     int count = ParseFilter(filterStr, filters, descriptions);
1132     if (count > 0 && n < count)
1133     {
1134         filter = filters[n];
1135         description = descriptions[n];
1136         return TRUE;
1137     }
1138
1139     return FALSE;
1140 }
1141
1142 // Parses the global filter, returning the number of filters.
1143 // Returns 0 if none or if there's a problem.
1144 // filterStr is in the form:
1145 //
1146 // "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
1147
1148 int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
1149 {
1150     wxString str(filterStr);
1151
1152     wxString description, filter;
1153     int pos;
1154     bool finished = FALSE;
1155     do
1156     {
1157         pos = str.Find(wxT('|'));
1158         if (pos == -1)
1159             return 0; // Problem
1160         description = str.Left(pos);
1161         str = str.Mid(pos+1);
1162         pos = str.Find(wxT('|'));
1163         if (pos == -1)
1164         {
1165             filter = str;
1166             finished = TRUE;
1167         }
1168         else
1169         {
1170             filter = str.Left(pos);
1171             str = str.Mid(pos+1);
1172         }
1173         descriptions.Add(description);
1174         filters.Add(filter);
1175     }
1176     while (!finished) ;
1177
1178     return filters.Count();
1179 }
1180
1181 void wxGenericDirCtrl::DoResize()
1182 {
1183     wxSize sz = GetClientSize();
1184     int verticalSpacing = 3;
1185     if (m_treeCtrl)
1186     {
1187         wxSize filterSz ;
1188         if (m_filterListCtrl)
1189         {
1190 #ifdef __WXMSW__
1191             // For some reason, this is required in order for the
1192             // correct control height to always be returned, rather
1193             // than the drop-down list height which is sometimes returned.
1194             wxSize oldSize = m_filterListCtrl->GetSize();
1195             m_filterListCtrl->SetSize(-1, -1, oldSize.x+10, -1, wxSIZE_USE_EXISTING);
1196             m_filterListCtrl->SetSize(-1, -1, oldSize.x, -1, wxSIZE_USE_EXISTING);
1197 #endif
1198             filterSz = m_filterListCtrl->GetSize();
1199             sz.y -= (filterSz.y + verticalSpacing);
1200         }
1201         m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1202         if (m_filterListCtrl)
1203         {
1204             m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1205             // Don't know why, but this needs refreshing after a resize (wxMSW)
1206             m_filterListCtrl->Refresh();
1207         }
1208     }
1209 }
1210
1211
1212 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1213 {
1214     DoResize();
1215 }
1216
1217 //-----------------------------------------------------------------------------
1218 // wxDirFilterListCtrl
1219 //-----------------------------------------------------------------------------
1220
1221 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1222
1223 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1224     EVT_CHOICE(-1, wxDirFilterListCtrl::OnSelFilter)
1225 END_EVENT_TABLE()
1226
1227 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1228               const wxPoint& pos,
1229               const wxSize& size,
1230               long style)
1231 {
1232     m_dirCtrl = parent;
1233     return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1234 }
1235
1236 void wxDirFilterListCtrl::Init()
1237 {
1238     m_dirCtrl = NULL;
1239 }
1240
1241 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1242 {
1243     int sel = GetSelection();
1244
1245     wxString currentPath = m_dirCtrl->GetPath();
1246
1247     m_dirCtrl->SetFilterIndex(sel);
1248
1249     // If the filter has changed, the view is out of date, so
1250     // collapse the tree.
1251     m_dirCtrl->GetTreeCtrl()->Collapse(m_dirCtrl->GetRootId());
1252     m_dirCtrl->GetTreeCtrl()->Expand(m_dirCtrl->GetRootId());
1253
1254     // Try to restore the selection, or at least the directory
1255     m_dirCtrl->ExpandPath(currentPath);
1256 }
1257
1258 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1259 {
1260     Clear();
1261     wxArrayString descriptions, filters;
1262     size_t n = (size_t) m_dirCtrl->ParseFilter(filter, filters, descriptions);
1263
1264     if (n > 0 && defaultFilter < (int) n)
1265     {
1266         size_t i = 0;
1267         for (i = 0; i < n; i++)
1268             Append(descriptions[i]);
1269         SetSelection(defaultFilter);
1270     }
1271 }
1272
1273 #endif // wxUSE_DIRDLG