src/motif/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/motif/textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #include <sys/types.h>
  24 #include <sys/stat.h>
  25 #include <ctype.h>
  26
  27 #include "wx/textctrl.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/utils.h"
  31     #include "wx/settings.h"
  32 #endif
  33
  34 #include "wx/filefn.h"
  35
  36 #ifdef __VMS__
  37 #pragma message disable nosimpint
  38 #endif
  39 #include <Xm/Text.h>
  40 #ifdef __VMS__
  41 #pragma message enable nosimpint
  42 #endif
  43
  44 #include "wx/motif/private.h"
  45
  46 // ----------------------------------------------------------------------------
  47 // private functions
  48 // ----------------------------------------------------------------------------
  49
  50 // helper: inserts the new text in the value of the text ctrl and returns the
  51 // result in place
  52 static void MergeChangesIntoString(wxString& value,
  53                                    XmTextVerifyCallbackStruct *textStruct);
  54
  55 // callbacks
  56 static void wxTextWindowChangedProc(Widget w, XtPointer clientData, XtPointer ptr);
  57 static void wxTextWindowModifyProc(Widget w, XtPointer clientData, XmTextVerifyCallbackStruct *cbs);
  58 static void wxTextWindowGainFocusProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *cbs);
  59 static void wxTextWindowLoseFocusProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *cbs);
  60 static void wxTextWindowActivateProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *ptr);
  61
  62     BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
  63         EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
  64         EVT_CHAR(wxTextCtrl::OnChar)
  65
  66     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
  67     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
  68     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
  69     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
  70     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
  71
  72     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
  73     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
  74     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
  75     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
  76     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
  77
  78     END_EVENT_TABLE()
  79
  80 // ============================================================================
  81 // implementation
  82 // ============================================================================
  83
  84 // ----------------------------------------------------------------------------
  85 // wxTextCtrl
  86 // ----------------------------------------------------------------------------
  87
  88 // Text item
  89 wxTextCtrl::wxTextCtrl()
  90 {
  91     m_tempCallbackStruct = NULL;
  92     m_modified = false;
  93     m_processedDefault = false;
  94 }
  95
  96 bool wxTextCtrl::Create(wxWindow *parent,
  97                         wxWindowID id,
  98                         const wxString& value,
  99                         const wxPoint& pos,
 100                         const wxSize& size,
 101                         long style,
 102                         const wxValidator& validator,
 103                         const wxString& name)
 104 {
 105     if( !CreateControl( parent, id, pos, size, style, validator, name ) )
 106         return false;
 107     PreCreation();
 108
 109     m_tempCallbackStruct = NULL;
 110     m_modified = false;
 111     m_processedDefault = false;
 112
 113     Widget parentWidget = (Widget) parent->GetClientWidget();
 114
 115     Bool wantHorizScroll = (m_windowStyle & wxHSCROLL) != 0 ? True : False;
 116     // If we don't have horizontal scrollbars, we want word wrap.
 117     // OpenMotif 2.1 crashes if wantWordWrap is True in Japanese
 118     // locale (and probably other multibyte locales). The check might be
 119     // more precise
 120 #if wxCHECK_LESSTIF() || wxCHECK_MOTIF_VERSION( 2, 2 )
 121     Bool wantWordWrap = wantHorizScroll == True ? False : True;
 122 #else
 123     Bool wantWordWrap = False;
 124 #endif
 125
 126     if (m_windowStyle & wxTE_MULTILINE)
 127     {
 128         Arg args[8];
 129         int count = 0;
 130         XtSetArg (args[count], XmNscrollHorizontal, wantHorizScroll); ++count;
 131         if( m_font.IsOk() )
 132             XtSetArg (args[count], (String) wxFont::GetFontTag(),
 133                       m_font.GetFontType( XtDisplay(parentWidget) ) ); ++count;
 134         XtSetArg (args[count], XmNwordWrap, wantWordWrap); ++count;
 135         XtSetArg (args[count], XmNvalue, (const char*)value.mb_str()); ++count;
 136         XtSetArg (args[count], XmNeditable,
 137                   style & wxTE_READONLY ? False : True); ++count;
 138         XtSetArg (args[count], XmNeditMode, XmMULTI_LINE_EDIT ); ++count;
 139
 140         m_mainWidget =
 141             (WXWidget) XmCreateScrolledText(parentWidget,
 142                                             name.char_str(),
 143                                             args, count);
 144
 145         XtManageChild ((Widget) m_mainWidget);
 146     }
 147     else
 148     {
 149         m_mainWidget = (WXWidget)XtVaCreateManagedWidget
 150                                  (
 151                                   name.mb_str(),
 152                                   xmTextWidgetClass,
 153                                   parentWidget,
 154                                   wxFont::GetFontTag(), m_font.GetFontType( XtDisplay(parentWidget) ),
 155                                   XmNvalue, (const char*)value.mb_str(),
 156                                   XmNeditable, (style & wxTE_READONLY) ?
 157                                       False : True,
 158                                   NULL
 159                                  );
 160
 161 #if 0
 162         // TODO: Is this relevant? What does it do?
 163         int noCols = 2;
 164         if (!value.IsNull() && (value.length() > (unsigned int) noCols))
 165             noCols = value.length();
 166         XtVaSetValues((Widget) m_mainWidget,
 167                       XmNcolumns, noCols,
 168                       NULL);
 169 #endif
 170     }
 171
 172     // remove border if asked for
 173     if ( style & wxNO_BORDER )
 174     {
 175         XtVaSetValues((Widget)m_mainWidget,
 176                       XmNshadowThickness, 0,
 177                       NULL);
 178     }
 179
 180     // install callbacks
 181     XtAddCallback((Widget) m_mainWidget, XmNvalueChangedCallback, (XtCallbackProc)wxTextWindowChangedProc, (XtPointer)this);
 182
 183     XtAddCallback((Widget) m_mainWidget, XmNmodifyVerifyCallback, (XtCallbackProc)wxTextWindowModifyProc, (XtPointer)this);
 184
 185     XtAddCallback((Widget) m_mainWidget, XmNactivateCallback, (XtCallbackProc)wxTextWindowActivateProc, (XtPointer)this);
 186
 187     XtAddCallback((Widget) m_mainWidget, XmNfocusCallback, (XtCallbackProc)wxTextWindowGainFocusProc, (XtPointer)this);
 188
 189     XtAddCallback((Widget) m_mainWidget, XmNlosingFocusCallback, (XtCallbackProc)wxTextWindowLoseFocusProc, (XtPointer)this);
 190
 191     PostCreation();
 192     AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
 193                   pos.x, pos.y, size.x, size.y);
 194
 195     return true;
 196 }
 197
 198 WXWidget wxTextCtrl::GetTopWidget() const
 199 {
 200     return IsMultiLine() ? (WXWidget)XtParent((Widget)m_mainWidget)
 201                          : m_mainWidget;
 202 }
 203
 204 wxString wxTextCtrl::GetValue() const
 205 {
 206     wxString str; // result
 207
 208     if (m_windowStyle & wxTE_PASSWORD)
 209     {
 210         // the value is stored always in m_value because it can't be retrieved
 211         // from the text control
 212         str = m_value;
 213     }
 214     else
 215     {
 216         str = wxTextEntry::GetValue();
 217
 218         if ( m_tempCallbackStruct )
 219         {
 220             // the string in the control isn't yet updated, can't use it as is
 221             MergeChangesIntoString(str, (XmTextVerifyCallbackStruct *)
 222                                    m_tempCallbackStruct);
 223         }
 224     }
 225
 226     return str;
 227 }
 228
 229 void wxTextCtrl::DoSetValue(const wxString& text, int flags)
 230 {
 231     m_inSetValue = true;
 232
 233     XmTextSetString ((Widget) m_mainWidget, text.char_str());
 234     XtVaSetValues ((Widget) m_mainWidget,
 235                    XmNcursorPosition, text.length(),
 236                    NULL);
 237
 238     SetInsertionPoint(text.length());
 239     XmTextShowPosition ((Widget) m_mainWidget, text.length());
 240     m_modified = true;
 241
 242     m_inSetValue = false;
 243
 244     if ( flags & SetValue_SendEvent )
 245         SendTextUpdatedEvent();
 246 }
 247
 248 bool wxTextCtrl::IsModified() const
 249 {
 250     return m_modified;
 251 }
 252
 253 // Makes modified or unmodified
 254 void wxTextCtrl::MarkDirty()
 255 {
 256     m_modified = true;
 257 }
 258
 259 void wxTextCtrl::DiscardEdits()
 260 {
 261     m_modified = false;
 262 }
 263
 264 int wxTextCtrl::GetNumberOfLines() const
 265 {
 266     // HIDEOUSLY inefficient, but we have no choice.
 267     char *s = XmTextGetString ((Widget) m_mainWidget);
 268     if (s)
 269     {
 270         long i = 0;
 271         int currentLine = 0;
 272         bool finished = false;
 273         while (!finished)
 274         {
 275             int ch = s[i];
 276             if (ch == '\n')
 277             {
 278                 currentLine++;
 279                 i++;
 280             }
 281             else if (ch == 0)
 282             {
 283                 finished = true;
 284             }
 285             else
 286                 i++;
 287         }
 288
 289         XtFree (s);
 290         return currentLine;
 291     }
 292     return 0;
 293 }
 294
 295 long wxTextCtrl::XYToPosition(long x, long y) const
 296 {
 297 /* It seems, that there is a bug in some versions of the Motif library,
 298     so the original wxWin-Code doesn't work. */
 299     /*
 300     Widget textWidget = (Widget) handle;
 301     return (long) XmTextXYToPos (textWidget, (Position) x, (Position) y);
 302     */
 303     /* Now a little workaround: */
 304     long r=0;
 305     for (int i=0; i<y; i++) r+=(GetLineLength(i)+1);
 306     return r+x;
 307 }
 308
 309 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 310 {
 311     Position xx, yy;
 312     XmTextPosToXY((Widget) m_mainWidget, pos, &xx, &yy);
 313     if ( x )
 314         *x = xx;
 315     if ( y )
 316         *y = yy;
 317
 318     return true;
 319 }
 320
 321 void wxTextCtrl::ShowPosition(long pos)
 322 {
 323     XmTextShowPosition ((Widget) m_mainWidget, (XmTextPosition) pos);
 324 }
 325
 326 int wxTextCtrl::GetLineLength(long lineNo) const
 327 {
 328     wxString str = GetLineText (lineNo);
 329     return (int) str.length();
 330 }
 331
 332 wxString wxTextCtrl::GetLineText(long lineNo) const
 333 {
 334     // HIDEOUSLY inefficient, but we have no choice.
 335     char *s = XmTextGetString ((Widget) m_mainWidget);
 336
 337     if (s)
 338     {
 339         wxString buf;
 340         long i;
 341         int currentLine = 0;
 342         for (i = 0; currentLine != lineNo && s[i]; i++ )
 343             if (s[i] == '\n')
 344                 currentLine++;
 345             // Now get the text
 346             int j;
 347             for (j = 0; s[i] && s[i] != '\n'; i++, j++ )
 348                 buf += s[i];
 349
 350             XtFree(s);
 351             return buf;
 352     }
 353     else
 354         return wxEmptyString;
 355 }
 356
 357 /*
 358 * Text item
 359 */
 360
 361 void wxTextCtrl::Command(wxCommandEvent & event)
 362 {
 363     SetValue (event.GetString());
 364     ProcessCommand (event);
 365 }
 366
 367 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 368 {
 369     // By default, load the first file into the text window.
 370     if (event.GetNumberOfFiles() > 0)
 371     {
 372         LoadFile(event.GetFiles()[0]);
 373     }
 374 }
 375
 376 void wxTextCtrl::OnChar(wxKeyEvent& event)
 377 {
 378     // Indicates that we should generate a normal command, because
 379     // we're letting default behaviour happen (otherwise it's vetoed
 380     // by virtue of overriding OnChar)
 381     m_processedDefault = true;
 382
 383     if (m_tempCallbackStruct)
 384     {
 385         XmTextVerifyCallbackStruct *textStruct =
 386             (XmTextVerifyCallbackStruct *) m_tempCallbackStruct;
 387         textStruct->doit = True;
 388         if (wxIsascii(event.m_keyCode) && (textStruct->text->length == 1))
 389         {
 390             textStruct->text->ptr[0] = (char)((event.m_keyCode == WXK_RETURN) ? 10 : event.m_keyCode);
 391         }
 392     }
 393 }
 394
 395 void wxTextCtrl::ChangeFont(bool keepOriginalSize)
 396 {
 397     wxWindow::ChangeFont(keepOriginalSize);
 398 }
 399
 400 void wxTextCtrl::ChangeBackgroundColour()
 401 {
 402     wxWindow::ChangeBackgroundColour();
 403
 404     /* TODO: should scrollbars be affected? Should probably have separate
 405     * function to change them (by default, taken from wxSystemSettings)
 406     */
 407     if (m_windowStyle & wxTE_MULTILINE)
 408     {
 409         Widget parent = XtParent ((Widget) m_mainWidget);
 410         Widget hsb, vsb;
 411
 412         XtVaGetValues (parent,
 413             XmNhorizontalScrollBar, &hsb,
 414             XmNverticalScrollBar, &vsb,
 415             NULL);
 416         wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 417         if (hsb)
 418             wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, true);
 419         if (vsb)
 420             wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, true);
 421
 422         // MBN: why change parent background?
 423         // DoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, true);
 424     }
 425 }
 426
 427 void wxTextCtrl::ChangeForegroundColour()
 428 {
 429     wxWindow::ChangeForegroundColour();
 430
 431     if (m_windowStyle & wxTE_MULTILINE)
 432     {
 433         Widget parent = XtParent ((Widget) m_mainWidget);
 434         Widget hsb, vsb;
 435
 436         XtVaGetValues (parent,
 437             XmNhorizontalScrollBar, &hsb,
 438             XmNverticalScrollBar, &vsb,
 439             NULL);
 440
 441             /* TODO: should scrollbars be affected? Should probably have separate
 442             * function to change them (by default, taken from wxSystemSettings)
 443             if (hsb)
 444             DoChangeForegroundColour((WXWidget) hsb, m_foregroundColour);
 445             if (vsb)
 446             DoChangeForegroundColour((WXWidget) vsb, m_foregroundColour);
 447         */
 448         wxDoChangeForegroundColour((WXWidget) parent, m_foregroundColour);
 449     }
 450 }
 451
 452 void wxTextCtrl::DoSendEvents(void *wxcbs, long keycode)
 453 {
 454     // we're in process of updating the text control
 455     m_tempCallbackStruct = wxcbs;
 456
 457     XmTextVerifyCallbackStruct *cbs = (XmTextVerifyCallbackStruct *)wxcbs;
 458
 459     wxKeyEvent event (wxEVT_CHAR);
 460     event.SetId(GetId());
 461     event.m_keyCode = keycode;
 462     event.SetEventObject(this);
 463
 464     // Only if wxTextCtrl::OnChar is called will this be set to True (and
 465     // the character passed through)
 466     cbs->doit = False;
 467
 468     HandleWindowEvent(event);
 469
 470     if ( !InSetValue() && m_processedDefault )
 471     {
 472         // Can generate a command
 473         wxCommandEvent commandEvent(wxEVT_COMMAND_TEXT_UPDATED, GetId());
 474         commandEvent.SetEventObject(this);
 475         ProcessCommand(commandEvent);
 476     }
 477
 478     // do it after the (user) event handlers processed the events because
 479     // otherwise GetValue() would return incorrect (not yet updated value)
 480     m_tempCallbackStruct = NULL;
 481 }
 482
 483 wxSize wxDoGetSingleTextCtrlBestSize( Widget textWidget,
 484                                       const wxWindow* window )
 485 {
 486     Dimension xmargin, ymargin, highlight, shadow;
 487     char* value;
 488
 489     XtVaGetValues( textWidget,
 490                    XmNmarginWidth, &xmargin,
 491                    XmNmarginHeight, &ymargin,
 492                    XmNvalue, &value,
 493                    XmNhighlightThickness, &highlight,
 494                    XmNshadowThickness, &shadow,
 495                    NULL );
 496
 497     if( !value )
 498         value = wxMOTIF_STR("|");
 499
 500     int x, y;
 501     window->GetTextExtent( value, &x, &y );
 502
 503     if( x < 90 )
 504         x = 90;
 505
 506     return wxSize( x + 2 * xmargin + 2 * highlight + 2 * shadow,
 507                    // MBN: +2 necessary: Lesstif bug or mine?
 508                    y + 2 * ymargin + 2 * highlight + 2 * shadow + 2 );
 509 }
 510
 511 wxSize wxTextCtrl::DoGetBestSize() const
 512 {
 513     if( IsSingleLine() )
 514     {
 515         wxSize best = wxControl::DoGetBestSize();
 516 #if wxCHECK_MOTIF_VERSION( 2, 3 )
 517         // OpenMotif 2.3 gives way too big X sizes
 518         wxSize other_best = wxDoGetSingleTextCtrlBestSize
 519                                 ( (Widget) GetTopWidget(), this );
 520         return wxSize( other_best.x, best.y );
 521 #else
 522         if( best.x < 90 ) best.x = 90;
 523
 524         return best;
 525 #endif
 526     }
 527     else
 528         return wxWindow::DoGetBestSize();
 529 }
 530
 531 // ----------------------------------------------------------------------------
 532 // helpers and Motif callbacks
 533 // ----------------------------------------------------------------------------
 534
 535 static void MergeChangesIntoString(wxString& value,
 536                                    XmTextVerifyCallbackStruct *cbs)
 537 {
 538     /* _sm_
 539      * At least on my system (SunOS 4.1.3 + Motif 1.2), you need to think of
 540      * every event as a replace event.  cbs->text->ptr gives the replacement
 541      * text, cbs->startPos gives the index of the first char affected by the
 542      * replace, and cbs->endPos gives the index one more than the last char
 543      * affected by the replace (startPos == endPos implies an empty range).
 544      * Hence, a deletion is represented by replacing all input text with a
 545      * blank string ("", *not* NULL!).  A simple insertion that does not
 546      * overwrite any text has startPos == endPos.
 547      */
 548
 549     if ( !value )
 550     {
 551         // easy case: the ol value was empty
 552         value = cbs->text->ptr;
 553     }
 554     else
 555     {
 556         // merge the changes into the value
 557         const char * const passwd = value;
 558         int len = value.length();
 559
 560         len += ( cbs->text->ptr ?
 561                  strlen(cbs->text->ptr) :
 562                  0 ) + 1;                      // + new text (if any) + NUL
 563         len -= cbs->endPos - cbs->startPos;    // - text from affected region.
 564
 565         char * newS = new char [len];
 566         char * dest = newS,
 567              * insert = cbs->text->ptr;
 568
 569         // Copy (old) text from passwd, up to the start posn of the change.
 570         int i;
 571         const char * p = passwd;
 572         for (i = 0; i < cbs->startPos; ++i)
 573             *dest++ = *p++;
 574
 575         // Copy the text to be inserted).
 576         if (insert)
 577             while (*insert)
 578                 *dest++ = *insert++;
 579
 580         // Finally, copy into newS any remaining text from passwd[endPos] on.
 581         for (p = passwd + cbs->endPos; *p; )
 582             *dest++ = *p++;
 583         *dest = 0;
 584
 585         value = newS;
 586
 587         delete[] newS;
 588     }
 589 }
 590
 591 static void
 592 wxTextWindowChangedProc (Widget w, XtPointer clientData, XtPointer WXUNUSED(ptr))
 593 {
 594     if (!wxGetWindowFromTable(w))
 595         // Widget has been deleted!
 596         return;
 597
 598     wxTextCtrl *tw = (wxTextCtrl *) clientData;
 599     tw->SetModified(true);
 600 }
 601
 602 static void
 603 wxTextWindowModifyProc (Widget WXUNUSED(w), XtPointer clientData, XmTextVerifyCallbackStruct *cbs)
 604 {
 605     wxTextCtrl *tw = (wxTextCtrl *) clientData;
 606     tw->m_processedDefault = false;
 607
 608     // First, do some stuff if it's a password control: in this case, we need
 609     // to store the string inside the class because GetValue() can't retrieve
 610     // it from the text ctrl. We do *not* do it in other circumstances because
 611     // it would double the amount of memory needed.
 612
 613     if ( tw->GetWindowStyleFlag() & wxTE_PASSWORD )
 614     {
 615         MergeChangesIntoString(tw->m_value, cbs);
 616
 617         if ( cbs->text->length > 0 )
 618         {
 619             int i;
 620             for (i = 0; i < cbs->text->length; ++i)
 621                 cbs->text->ptr[i] = '*';
 622             cbs->text->ptr[i] = '\0';
 623         }
 624     }
 625
 626     if(tw->InSetValue())
 627         return;
 628
 629     // If we're already within an OnChar, return: probably a programmatic
 630     // insertion.
 631     if (tw->m_tempCallbackStruct)
 632         return;
 633
 634     // Check for a backspace
 635     if (cbs->startPos == (cbs->currInsert - 1))
 636     {
 637         tw->DoSendEvents((void *)cbs, WXK_DELETE);
 638
 639         return;
 640     }
 641
 642     // Pasting operation: let it through without calling OnChar
 643     if (cbs->text->length > 1)
 644         return;
 645
 646     // Something other than text
 647     if (cbs->text->ptr == NULL)
 648         return;
 649
 650     // normal key press
 651     char ch = cbs->text->ptr[0];
 652     tw->DoSendEvents((void *)cbs, ch == '\n' ? '\r' : ch);
 653 }
 654
 655 static void
 656 wxTextWindowGainFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *WXUNUSED(cbs))
 657 {
 658     if (!wxGetWindowFromTable(w))
 659         return;
 660
 661     wxTextCtrl *tw = (wxTextCtrl *) clientData;
 662     wxFocusEvent event(wxEVT_SET_FOCUS, tw->GetId());
 663     event.SetEventObject(tw);
 664     tw->HandleWindowEvent(event);
 665 }
 666
 667 static void
 668 wxTextWindowLoseFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *WXUNUSED(cbs))
 669 {
 670     if (!wxGetWindowFromTable(w))
 671         return;
 672
 673     wxTextCtrl *tw = (wxTextCtrl *) clientData;
 674     wxFocusEvent event(wxEVT_KILL_FOCUS, tw->GetId());
 675     event.SetEventObject(tw);
 676     tw->HandleWindowEvent(event);
 677 }
 678
 679 static void wxTextWindowActivateProc(Widget w, XtPointer clientData,
 680                                      XmAnyCallbackStruct *WXUNUSED(ptr))
 681 {
 682     if (!wxGetWindowFromTable(w))
 683         return;
 684
 685     wxTextCtrl *tw = (wxTextCtrl *) clientData;
 686
 687     if (tw->InSetValue())
 688         return;
 689
 690     wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER);
 691     event.SetId(tw->GetId());
 692     event.SetEventObject(tw);
 693     tw->ProcessCommand(event);
 694 }
 695
 696 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
 697 {
 698     Cut();
 699 }
 700
 701 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
 702 {
 703     Copy();
 704 }
 705
 706 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
 707 {
 708     Paste();
 709 }
 710
 711 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
 712 {
 713     Undo();
 714 }
 715
 716 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
 717 {
 718     Redo();
 719 }
 720
 721 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
 722 {
 723     event.Enable( CanCut() );
 724 }
 725
 726 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
 727 {
 728     event.Enable( CanCopy() );
 729 }
 730
 731 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
 732 {
 733     event.Enable( CanPaste() );
 734 }
 735
 736 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
 737 {
 738     event.Enable( CanUndo() );
 739 }
 740
 741 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
 742 {
 743     event.Enable( CanRedo() );
 744 }