src/os2/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/17/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ----------------------------------------------------------------------------
  13 // headers
  14 // ----------------------------------------------------------------------------
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/textctrl.h"
  21     #include "wx/settings.h"
  22     #include "wx/brush.h"
  23     #include "wx/utils.h"
  24     #include "wx/log.h"
  25 #endif
  26
  27 #if wxUSE_CLIPBOARD
  28     #include "wx/app.h"
  29     #include "wx/clipbrd.h"
  30 #endif
  31
  32 #include "wx/textfile.h"
  33
  34 #include "wx/os2/private.h"
  35
  36 #include <string.h>
  37 #include <stdlib.h>
  38 #include <sys/types.h>
  39
  40 #if wxUSE_IOSTREAMH
  41 #   include <fstream.h>
  42 #else
  43 #   include <fstream>
  44 #endif
  45
  46 #if !USE_SHARED_LIBRARY
  47
  48 // ----------------------------------------------------------------------------
  49 // event tables and other macros
  50 // ----------------------------------------------------------------------------
  51
  52 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
  53
  54 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
  55     EVT_CHAR(wxTextCtrl::OnChar)
  56     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
  57
  58     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
  59     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
  60     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
  61     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
  62     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
  63
  64     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
  65     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
  66     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
  67     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
  68     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
  69 END_EVENT_TABLE()
  70
  71 #endif // USE_SHARED_LIBRARY
  72
  73 // ============================================================================
  74 // implementation
  75 // ============================================================================
  76
  77 // ----------------------------------------------------------------------------
  78 // creation
  79 // ----------------------------------------------------------------------------
  80
  81 wxTextCtrl::wxTextCtrl()
  82 {
  83 }
  84
  85 bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
  86                         const wxString& value,
  87                         const wxPoint& pos,
  88                         const wxSize& size,
  89                         long style,
  90 #if wxUSE_VALIDATORS
  91                         const wxValidator& validator,
  92 #endif
  93                         const wxString& name)
  94 {
  95     // base initialization
  96     if ( !CreateBase(parent, id, pos, size, style, validator, name) )
  97         return FALSE;
  98
  99     // Validator was set in CreateBase
 100     //SetValidator(validator);
 101     if ( parent )
 102         parent->AddChild(this);
 103
 104     // set colours
 105     SetupColours();
 106
 107     // translate wxWin style flags to MSW ones, checking for consistency while
 108     // doing it
 109 // TODO:
 110 /*
 111     long msStyle = ES_LEFT | WS_VISIBLE | WS_CHILD | WS_TABSTOP;
 112     if ( m_windowStyle & wxTE_MULTILINE )
 113     {
 114         wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
 115                       wxT("wxTE_PROCESS_ENTER style is ignored for multiline "
 116                          "text controls (they always process it)") );
 117
 118         msStyle |= ES_MULTILINE | ES_WANTRETURN;
 119         if ((m_windowStyle & wxTE_NO_VSCROLL) == 0)
 120             msStyle |= WS_VSCROLL;
 121         m_windowStyle |= wxTE_PROCESS_ENTER;
 122     }
 123     else
 124         msStyle |= ES_AUTOHSCROLL;
 125
 126     if (m_windowStyle & wxHSCROLL)
 127         msStyle |= (WS_HSCROLL | ES_AUTOHSCROLL);
 128
 129     if (m_windowStyle & wxTE_READONLY)
 130         msStyle |= ES_READONLY;
 131
 132     if (m_windowStyle & wxHSCROLL)
 133         msStyle |= (WS_HSCROLL | ES_AUTOHSCROLL);
 134     if (m_windowStyle & wxTE_PASSWORD) // hidden input
 135         msStyle |= ES_PASSWORD;
 136
 137     // we always want the characters and the arrows
 138     m_lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
 139
 140     // we may have several different cases:
 141     // 1. normal case: both TAB and ENTER are used for dialog navigation
 142     // 2. ctrl which wants TAB for itself: ENTER is used to pass to the next
 143     //    control in the dialog
 144     // 3. ctrl which wants ENTER for itself: TAB is used for dialog navigation
 145     // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to pass to
 146     //    the next control
 147     if ( m_windowStyle & wxTE_PROCESS_ENTER )
 148         m_lDlgCode |= DLGC_WANTMESSAGE;
 149     if ( m_windowStyle & wxTE_PROCESS_TAB )
 150         m_lDlgCode |= DLGC_WANTTAB;
 151
 152     // do create the control - either an EDIT or RICHEDIT
 153     const wxChar *windowClass = wxT("EDIT");
 154
 155     bool want3D;
 156     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D);
 157
 158     // Even with extended styles, need to combine with WS_BORDER for them to
 159     // look right.
 160     if ( want3D || wxStyleHasBorder(m_windowStyle) )
 161         msStyle |= WS_BORDER;
 162
 163     // NB: don't use pos and size as CreateWindowEx arguments because they
 164     //     might be -1 in which case we should use the default values (and
 165     //     SetSize called below takes care of it)
 166     m_hWnd = (WXHWND)::CreateWindowEx(exStyle,
 167                                       windowClass,
 168                                       NULL,
 169                                       msStyle,
 170                                       0, 0, 0, 0,
 171                                       GetHwndOf(parent),
 172                                       (HMENU)m_windowId,
 173                                       wxGetInstance(),
 174                                       NULL);
 175
 176     wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create text ctrl") );
 177 */
 178     SubclassWin(GetHWND());
 179
 180     // set font, position, size and initial value
 181     wxFont& fontParent = parent->GetFont();
 182     if ( fontParent.Ok() )
 183     {
 184         SetFont(fontParent);
 185     }
 186     else
 187     {
 188         SetFont(wxSystemSettings::GetSystemFont(wxSYS_SYSTEM_FONT));
 189     }
 190
 191     SetSize(pos.x, pos.y, size.x, size.y);
 192
 193     return TRUE;
 194 }
 195
 196 // Make sure the window style (etc.) reflects the HWND style (roughly)
 197 void wxTextCtrl::AdoptAttributesFromHWND()
 198 {
 199   wxWindow::AdoptAttributesFromHWND();
 200
 201   HWND hWnd = GetHwnd();
 202   // TODO:
 203   /*
 204   long style = GetWindowLong(hWnd, GWL_STYLE);
 205
 206   if (style & ES_MULTILINE)
 207     m_windowStyle |= wxTE_MULTILINE;
 208   if (style & ES_PASSWORD)
 209     m_windowStyle |= wxTE_PASSWORD;
 210   if (style & ES_READONLY)
 211     m_windowStyle |= wxTE_READONLY;
 212   if (style & ES_WANTRETURN)
 213     m_windowStyle |= wxTE_PROCESS_ENTER;
 214   */
 215 }
 216
 217 void wxTextCtrl::SetupColours()
 218 {
 219     // FIXME why is bg colour not inherited from parent?
 220     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
 221     SetForegroundColour(GetParent()->GetForegroundColour());
 222 }
 223
 224 // ----------------------------------------------------------------------------
 225 // set/get the controls text
 226 // ----------------------------------------------------------------------------
 227
 228 wxString wxTextCtrl::GetValue() const
 229 {
 230     return wxGetWindowText(GetHWND());
 231 }
 232
 233 void wxTextCtrl::SetValue(const wxString& value)
 234 {
 235 // TODO:
 236 /*
 237     wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
 238
 239     SetWindowText(GetHwnd(), valueDos);
 240
 241     AdjustSpaceLimit();
 242 */
 243 }
 244
 245 void wxTextCtrl::WriteText(const wxString& value)
 246 {
 247 // TODO:
 248 /*
 249     wxString valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
 250
 251     SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)valueDos.c_str());
 252
 253     AdjustSpaceLimit();
 254 */
 255 }
 256
 257 void wxTextCtrl::AppendText(const wxString& text)
 258 {
 259 // TODO:
 260 /*
 261     SetInsertionPointEnd();
 262     WriteText(text);
 263 */
 264 }
 265
 266 void wxTextCtrl::Clear()
 267 {
 268 //    SetWindowText(GetHwnd(), wxT(""));
 269 }
 270
 271 // ----------------------------------------------------------------------------
 272 // Clipboard operations
 273 // ----------------------------------------------------------------------------
 274
 275 void wxTextCtrl::Copy()
 276 {
 277     if (CanCopy())
 278     {
 279         HWND hWnd = GetHwnd();
 280 //        SendMessage(hWnd, WM_COPY, 0, 0L);
 281     }
 282 }
 283
 284 void wxTextCtrl::Cut()
 285 {
 286     if (CanCut())
 287     {
 288         HWND hWnd = GetHwnd();
 289 //        SendMessage(hWnd, WM_CUT, 0, 0L);
 290     }
 291 }
 292
 293 void wxTextCtrl::Paste()
 294 {
 295     if (CanPaste())
 296     {
 297         HWND hWnd = GetHwnd();
 298 //        SendMessage(hWnd, WM_PASTE, 0, 0L);
 299     }
 300 }
 301
 302 bool wxTextCtrl::CanCopy() const
 303 {
 304     // Can copy if there's a selection
 305     long from = 0L;
 306     long to = 0L;
 307 //    GetSelection(& from, & to);
 308     return (from != to);
 309 }
 310
 311 bool wxTextCtrl::CanCut() const
 312 {
 313     // Can cut if there's a selection
 314     long from = 0L;
 315     long to = 0L;
 316 //    GetSelection(& from, & to);
 317     return (from != to);
 318 }
 319
 320 bool wxTextCtrl::CanPaste() const
 321 {
 322     if (!IsEditable())
 323         return FALSE;
 324
 325     // Standard edit control: check for straight text on clipboard
 326     bool isTextAvailable = FALSE;
 327 //TODO:
 328 /*
 329     if ( ::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
 330     {
 331         isTextAvailable = (::IsClipboardFormatAvailable(CF_TEXT) != 0);
 332         ::CloseClipboard();
 333     }
 334 */
 335     return isTextAvailable;
 336 }
 337
 338 // ----------------------------------------------------------------------------
 339 // Accessors
 340 // ----------------------------------------------------------------------------
 341
 342 void wxTextCtrl::SetEditable(bool editable)
 343 {
 344     HWND hWnd = GetHwnd();
 345 //    SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
 346 }
 347
 348 void wxTextCtrl::SetInsertionPoint(long pos)
 349 {
 350 // TODO:
 351 /*
 352     HWND hWnd = GetHwnd();
 353     {
 354         SendMessage(hWnd, EM_SETSEL, pos, pos);
 355         SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
 356     }
 357     static const char *nothing = "";
 358     SendMessage(hWnd, EM_REPLACESEL, 0, (LPARAM)nothing);
 359 */
 360 }
 361
 362 void wxTextCtrl::SetInsertionPointEnd()
 363 {
 364 // TODO:
 365 /*
 366     long pos = GetLastPosition();
 367     SetInsertionPoint(pos);
 368 */
 369 }
 370
 371 long wxTextCtrl::GetInsertionPoint() const
 372 {
 373 // TODO:
 374 /*
 375     DWORD Pos = (DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
 376     return Pos & 0xFFFF;
 377 */
 378     return 0;
 379 }
 380
 381 long wxTextCtrl::GetLastPosition() const
 382 {
 383     HWND hWnd = GetHwnd();
 384
 385 // TODO:
 386 /*
 387     // Will always return a number > 0 (according to docs)
 388     int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L);
 389
 390     // This gets the char index for the _beginning_ of the last line
 391     int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L);
 392
 393     // Get number of characters in the last line. We'll add this to the character
 394     // index for the last line, 1st position.
 395     int lineLength = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0L);
 396
 397     return (long)(charIndex + lineLength);
 398 */
 399     return 0L;
 400 }
 401
 402 // If the return values from and to are the same, there is no
 403 // selection.
 404 void wxTextCtrl::GetSelection(long* from, long* to) const
 405 {
 406     DWORD dwStart, dwEnd;
 407     MPARAM wParam = (MPARAM) (DWORD*) & dwStart; // receives starting position
 408     MPARAM lParam = (MPARAM) (DWORD*) & dwEnd;   // receives ending position
 409
 410 //    ::SendMessage(GetHwnd(), EM_GETSEL, wParam, lParam);
 411
 412     *from = dwStart;
 413     *to = dwEnd;
 414 }
 415
 416 bool wxTextCtrl::IsEditable() const
 417 {
 418 // TODO:
 419 /*
 420     long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
 421
 422     return ((style & ES_READONLY) == 0);
 423 */
 424     return FALSE;
 425 }
 426
 427 // ----------------------------------------------------------------------------
 428 // Editing
 429 // ----------------------------------------------------------------------------
 430
 431 void wxTextCtrl::Replace(long from, long to, const wxString& value)
 432 {
 433 #if wxUSE_CLIPBOARD
 434     HWND hWnd = GetHwnd();
 435     long fromChar = from;
 436     long toChar = to;
 437
 438     // Set selection and remove it
 439 //    SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
 440 //    SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);
 441
 442     // Now replace with 'value', by pasting.
 443     wxSetClipboardData(wxDF_TEXT, (wxObject *) (const wxChar *)value, 0, 0);
 444
 445     // Paste into edit control
 446 //    SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L);
 447 #else
 448     wxFAIL_MSG("wxTextCtrl::Replace not implemented if wxUSE_CLIPBOARD is 0.");
 449 #endif
 450 }
 451
 452 void wxTextCtrl::Remove(long from, long to)
 453 {
 454     HWND hWnd = GetHwnd();
 455     long fromChar = from;
 456     long toChar = to;
 457
 458     // Cut all selected text
 459 //    SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
 460 //    SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);
 461 }
 462
 463 void wxTextCtrl::SetSelection(long from, long to)
 464 {
 465     HWND hWnd = GetHwnd();
 466     long fromChar = from;
 467     long toChar = to;
 468
 469     // if from and to are both -1, it means (in wxWindows) that all text should
 470     // be selected. Translate into Windows convention
 471     if ((from == -1) && (to == -1))
 472     {
 473       fromChar = 0;
 474       toChar = -1;
 475     }
 476
 477 //    SendMessage(hWnd, EM_SETSEL, (WPARAM)fromChar, (LPARAM)toChar);
 478 //    SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
 479 }
 480
 481 bool wxTextCtrl::LoadFile(const wxString& file)
 482 {
 483 // TODO:
 484 /*
 485     if ( wxTextCtrlBase::LoadFile(file) )
 486     {
 487         // update the size limit if needed
 488         AdjustSpaceLimit();
 489
 490         return TRUE;
 491     }
 492 */
 493     return FALSE;
 494 }
 495
 496 bool wxTextCtrl::IsModified() const
 497 {
 498 //    return (SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0);
 499     return FALSE;
 500 }
 501
 502 // Makes 'unmodified'
 503 void wxTextCtrl::DiscardEdits()
 504 {
 505 //    SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
 506 }
 507
 508 int wxTextCtrl::GetNumberOfLines() const
 509 {
 510 //    return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
 511     return 0;
 512 }
 513
 514 long wxTextCtrl::XYToPosition(long x, long y) const
 515 {
 516     HWND hWnd = GetHwnd();
 517
 518     // This gets the char index for the _beginning_ of this line
 519 // TODO:
 520 /*
 521     int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
 522     return (long)(x + charIndex);
 523 */
 524     return 0L;
 525 }
 526
 527 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 528 {
 529     HWND hWnd = GetHwnd();
 530
 531     // This gets the line number containing the character
 532     int lineNo = -1;
 533 //    lineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
 534
 535     if ( lineNo == -1 )
 536     {
 537         // no such line
 538         return FALSE;
 539     }
 540
 541     // This gets the char index for the _beginning_ of this line
 542     int charIndex = 0; // TODO: (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
 543     if ( charIndex == -1 )
 544     {
 545         return FALSE;
 546     }
 547
 548     // The X position must therefore be the different between pos and charIndex
 549     if ( x )
 550         *x = (long)(pos - charIndex);
 551     if ( y )
 552         *y = (long)lineNo;
 553
 554     return TRUE;
 555 }
 556
 557 void wxTextCtrl::ShowPosition(long pos)
 558 {
 559     HWND hWnd = GetHwnd();
 560
 561     // To scroll to a position, we pass the number of lines and characters
 562     // to scroll *by*. This means that we need to:
 563     // (1) Find the line position of the current line.
 564     // (2) Find the line position of pos.
 565     // (3) Scroll by (pos - current).
 566     // For now, ignore the horizontal scrolling.
 567
 568     // Is this where scrolling is relative to - the line containing the caret?
 569     // Or is the first visible line??? Try first visible line.
 570 //    int currentLineLineNo1 = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)-1, (LPARAM)0L);
 571
 572 // TODO:
 573 /*
 574     int currentLineLineNo = (int)SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L);
 575
 576     int specifiedLineLineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L);
 577
 578     int linesToScroll = specifiedLineLineNo - currentLineLineNo;
 579
 580     if (linesToScroll != 0)
 581       (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
 582 */
 583 }
 584
 585 int wxTextCtrl::GetLineLength(long lineNo) const
 586 {
 587 // TODO:
 588 /*
 589
 590     long charIndex = XYToPosition(0, lineNo);
 591     int len = (int)SendMessage(GetHwnd(), EM_LINELENGTH, charIndex, 0);
 592     return len;
 593 */
 594     return 0;
 595 }
 596
 597 wxString wxTextCtrl::GetLineText(long lineNo) const
 598 {
 599     size_t len = (size_t)GetLineLength(lineNo) + 1;
 600     char *buf = (char *)malloc(len);
 601     *(WORD *)buf = len;
 602     int noChars = 0; // TODO:(int)SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
 603     buf[noChars] = 0;
 604
 605     wxString str(buf);
 606
 607     free(buf);
 608
 609     return str;
 610 }
 611
 612 // ----------------------------------------------------------------------------
 613 // Undo/redo
 614 // ----------------------------------------------------------------------------
 615
 616 void wxTextCtrl::Undo()
 617 {
 618     if (CanUndo())
 619     {
 620 //        ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
 621     }
 622 }
 623
 624 void wxTextCtrl::Redo()
 625 {
 626     if (CanRedo())
 627     {
 628         // Same as Undo, since Undo undoes the undo, i.e. a redo.
 629 //        ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
 630     }
 631 }
 632
 633 bool wxTextCtrl::CanUndo() const
 634 {
 635 //    return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
 636     return FALSE;
 637 }
 638
 639 bool wxTextCtrl::CanRedo() const
 640 {
 641 //    return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
 642     return FALSE;
 643 }
 644
 645 // ----------------------------------------------------------------------------
 646 // implemenation details
 647 // ----------------------------------------------------------------------------
 648
 649 void wxTextCtrl::Command(wxCommandEvent & event)
 650 {
 651     SetValue(event.GetString());
 652     ProcessCommand (event);
 653 }
 654
 655 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 656 {
 657     // By default, load the first file into the text window.
 658     if (event.GetNumberOfFiles() > 0)
 659     {
 660         LoadFile(event.GetFiles()[0]);
 661     }
 662 }
 663
 664 WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 665                                 WXUINT message, WXWPARAM wParam,
 666                                 WXLPARAM lParam)
 667 {
 668     HDC hdc = (HDC)pDC;
 669 // TODO:
 670 /*
 671     SetBkMode(hdc, GetParent()->GetTransparentBackground() ? TRANSPARENT
 672                                                            : OPAQUE);
 673
 674     ::SetBkColor(hdc, RGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
 675     ::SetTextColor(hdc, RGB(GetForegroundColour().Red(), GetForegroundColour().Green(), GetForegroundColour().Blue()));
 676 */
 677     wxBrush *backgroundBrush = wxTheBrushList->FindOrCreateBrush(GetBackgroundColour(), wxSOLID);
 678
 679     return (WXHBRUSH) backgroundBrush->GetResourceHandle();
 680 }
 681
 682 void wxTextCtrl::OnChar(wxKeyEvent& event)
 683 {
 684     switch ( event.KeyCode() )
 685     {
 686 // TODO:
 687 /*
 688         case WXK_RETURN:
 689             if ( !(m_windowStyle & wxTE_MULTILINE) )
 690             {
 691                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 692                 event.SetEventObject( this );
 693                 if ( GetEventHandler()->ProcessEvent(event) )
 694                     return;
 695             }
 696             //else: multiline controls need Enter for themselves
 697
 698             break;
 699
 700         case WXK_TAB:
 701             // always produce navigation event - even if we process TAB
 702             // ourselves the fact that we got here means that the user code
 703             // decided to skip processing of this TAB - probably to let it
 704             // do its default job.
 705             //
 706             // NB: Notice that Ctrl-Tab is handled elsewhere and Alt-Tab is
 707             //     handled by Windows
 708             {
 709                 wxNavigationKeyEvent eventNav;
 710                 eventNav.SetDirection(!event.ShiftDown());
 711                 eventNav.SetWindowChange(FALSE);
 712                 eventNav.SetEventObject(this);
 713
 714                 if ( GetEventHandler()->ProcessEvent(eventNav) )
 715                     return;
 716             }
 717             break;
 718 */
 719         default:
 720             event.Skip();
 721             return;
 722     }
 723
 724     // don't just call event.Skip() because this will cause TABs and ENTERs
 725     // be passed upwards and we don't always want this - instead process it
 726     // right here
 727
 728     // FIXME
 729     event.Skip();
 730 }
 731
 732 bool wxTextCtrl::OS2Command(WXUINT param, WXWORD WXUNUSED(id))
 733 {
 734     switch (param)
 735     {
 736 // TODO:
 737 /*
 738         case EN_SETFOCUS:
 739         case EN_KILLFOCUS:
 740             {
 741                 wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
 742                         : wxEVT_SET_FOCUS,
 743                         m_windowId);
 744                 event.SetEventObject( this );
 745                 GetEventHandler()->ProcessEvent(event);
 746             }
 747             break;
 748
 749         case EN_CHANGE:
 750             {
 751                 wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
 752                 wxString val(GetValue());
 753                 if ( !val.IsNull() )
 754                     event.m_commandString = WXSTRINGCAST val;
 755                 event.SetEventObject( this );
 756                 ProcessCommand(event);
 757             }
 758             break;
 759
 760         case EN_ERRSPACE:
 761             // the text size limit has been hit - increase it
 762             AdjustSpaceLimit();
 763             break;
 764
 765             // the other notification messages are not processed
 766         case EN_UPDATE:
 767         case EN_MAXTEXT:
 768         case EN_HSCROLL:
 769         case EN_VSCROLL:
 770 */
 771         default:
 772             return FALSE;
 773     }
 774
 775     // processed
 776     return TRUE;
 777 }
 778
 779 void wxTextCtrl::AdjustSpaceLimit()
 780 {
 781 // TODO:
 782 /*
 783     unsigned int len = ::GetWindowTextLength(GetHwnd()),
 784     limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
 785     if ( len > limit )
 786     {
 787         limit = len + 0x8000;    // 32Kb
 788
 789         if ( limit > 0xffff )
 790             ::SendMessage(GetHwnd(), EM_LIMITTEXT, 0, limit);
 791         else
 792             ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0);
 793     }
 794 */
 795 }
 796
 797 bool wxTextCtrl::AcceptsFocus() const
 798 {
 799     // we don't want focus if we can't be edited
 800     return IsEditable() && wxControl::AcceptsFocus();
 801 }
 802
 803 wxSize wxTextCtrl::DoGetBestSize() const
 804 {
 805     int cx, cy;
 806     wxGetCharSize(GetHWND(), &cx, &cy, (wxFont*)&GetFont());
 807
 808     int wText = DEFAULT_ITEM_WIDTH;
 809
 810     int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
 811     if ( m_windowStyle & wxTE_MULTILINE )
 812     {
 813         hText *= wxMin(GetNumberOfLines(), 5);
 814     }
 815     //else: for single line control everything is ok
 816
 817     return wxSize(wText, hText);
 818 }
 819
 820 // ----------------------------------------------------------------------------
 821 // standard handlers for standard edit menu events
 822 // ----------------------------------------------------------------------------
 823
 824 void wxTextCtrl::OnCut(wxCommandEvent& event)
 825 {
 826     Cut();
 827 }
 828
 829 void wxTextCtrl::OnCopy(wxCommandEvent& event)
 830 {
 831     Copy();
 832 }
 833
 834 void wxTextCtrl::OnPaste(wxCommandEvent& event)
 835 {
 836     Paste();
 837 }
 838
 839 void wxTextCtrl::OnUndo(wxCommandEvent& event)
 840 {
 841     Undo();
 842 }
 843
 844 void wxTextCtrl::OnRedo(wxCommandEvent& event)
 845 {
 846     Redo();
 847 }
 848
 849 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
 850 {
 851     event.Enable( CanCut() );
 852 }
 853
 854 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
 855 {
 856     event.Enable( CanCopy() );
 857 }
 858
 859 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
 860 {
 861     event.Enable( CanPaste() );
 862 }
 863
 864 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
 865 {
 866     event.Enable( CanUndo() );
 867 }
 868
 869 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
 870 {
 871     event.Enable( CanRedo() );
 872 }
 873