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 #ifdef __VMS
  24 #define XtParent XTPARENT
  25 #endif
  26
  27 #include <sys/types.h>
  28 #include <sys/stat.h>
  29 #include <ctype.h>
  30
  31 #include "wx/textctrl.h"
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/utils.h"
  35     #include "wx/settings.h"
  36 #endif
  37
  38 #include "wx/filefn.h"
  39
  40 #ifdef __VMS__
  41 #pragma message disable nosimpint
  42 #endif
  43 #include <Xm/Text.h>
  44 #ifdef __VMS__
  45 #pragma message enable nosimpint
  46 #endif
  47
  48 #include "wx/motif/private.h"
  49
  50 // ----------------------------------------------------------------------------
  51 // private functions
  52 // ----------------------------------------------------------------------------
  53
  54 // helper: inserts the new text in the value of the text ctrl and returns the
  55 // result in place
  56 static void MergeChangesIntoString(wxString& value,
  57                                    XmTextVerifyCallbackStruct *textStruct);
  58
  59 // callbacks
  60 static void wxTextWindowChangedProc(Widget w, XtPointer clientData, XtPointer ptr);
  61 static void wxTextWindowModifyProc(Widget w, XtPointer clientData, XmTextVerifyCallbackStruct *cbs);
  62 static void wxTextWindowGainFocusProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *cbs);
  63 static void wxTextWindowLoseFocusProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *cbs);
  64 static void wxTextWindowActivateProc(Widget w, XtPointer clientData, XmAnyCallbackStruct *ptr);
  65
  66     IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
  67
  68     BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
  69         EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
  70         EVT_CHAR(wxTextCtrl::OnChar)
  71
  72     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
  73     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
  74     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
  75     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
  76     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
  77
  78     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
  79     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
  80     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
  81     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
  82     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
  83
  84     END_EVENT_TABLE()
  85
  86 // ============================================================================
  87 // implementation
  88 // ============================================================================
  89
  90 // ----------------------------------------------------------------------------
  91 // wxTextCtrl
  92 // ----------------------------------------------------------------------------
  93
  94 // Text item
  95 wxTextCtrl::wxTextCtrl()
  96 {
  97     m_tempCallbackStruct = (void*) NULL;
  98     m_modified = false;
  99     m_processedDefault = false;
 100 }
 101
 102 bool wxTextCtrl::Create(wxWindow *parent,
 103                         wxWindowID id,
 104                         const wxString& value,
 105                         const wxPoint& pos,
 106                         const wxSize& size,
 107                         long style,
 108                         const wxValidator& validator,
 109                         const wxString& name)
 110 {
 111     if( !CreateControl( parent, id, pos, size, style, validator, name ) )
 112         return false;
 113     PreCreation();
 114
 115     m_tempCallbackStruct = (void*) NULL;
 116     m_modified = false;
 117     m_processedDefault = false;
 118
 119     Widget parentWidget = (Widget) parent->GetClientWidget();
 120
 121     Bool wantHorizScroll = (m_windowStyle & wxHSCROLL) != 0 ? True : False;
 122     // If we don't have horizontal scrollbars, we want word wrap.
 123     // OpenMotif 2.1 crashes if wantWordWrap is True in Japanese
 124     // locale (and probably other multibyte locales). The check might be
 125     // more precise
 126 #if wxCHECK_LESSTIF() || wxCHECK_MOTIF_VERSION( 2, 2 )
 127     Bool wantWordWrap = wantHorizScroll == True ? False : True;
 128 #else
 129     Bool wantWordWrap = False;
 130 #endif
 131
 132     if (m_windowStyle & wxTE_MULTILINE)
 133     {
 134         Arg args[8];
 135         int count = 0;
 136         XtSetArg (args[count], XmNscrollHorizontal, wantHorizScroll); ++count;
 137         if( m_font.IsOk() )
 138             XtSetArg (args[count], (String) wxFont::GetFontTag(),
 139                       m_font.GetFontType( XtDisplay(parentWidget) ) ); ++count;
 140         XtSetArg (args[count], XmNwordWrap, wantWordWrap); ++count;
 141         XtSetArg (args[count], XmNvalue, (const char*)value.mb_str()); ++count;
 142         XtSetArg (args[count], XmNeditable,
 143                   style & wxTE_READONLY ? False : True); ++count;
 144         XtSetArg (args[count], XmNeditMode, XmMULTI_LINE_EDIT ); ++count;
 145
 146         m_mainWidget =
 147             (WXWidget) XmCreateScrolledText(parentWidget,
 148                                             name.char_str(),
 149                                             args, count);
 150
 151         XtManageChild ((Widget) m_mainWidget);
 152     }
 153     else
 154     {
 155         m_mainWidget = (WXWidget)XtVaCreateManagedWidget
 156                                  (
 157                                   name.mb_str(),
 158                                   xmTextWidgetClass,
 159                                   parentWidget,
 160                                   wxFont::GetFontTag(), m_font.GetFontType( XtDisplay(parentWidget) ),
 161                                   XmNvalue, (const char*)value.mb_str(),
 162                                   XmNeditable, (style & wxTE_READONLY) ?
 163                                       False : True,
 164                                   NULL
 165                                  );
 166
 167 #if 0
 168         // TODO: Is this relevant? What does it do?
 169         int noCols = 2;
 170         if (!value.IsNull() && (value.length() > (unsigned int) noCols))
 171             noCols = value.length();
 172         XtVaSetValues((Widget) m_mainWidget,
 173                       XmNcolumns, noCols,
 174                       NULL);
 175 #endif
 176     }
 177
 178     // remove border if asked for
 179     if ( style & wxNO_BORDER )
 180     {
 181         XtVaSetValues((Widget)m_mainWidget,
 182                       XmNshadowThickness, 0,
 183                       NULL);
 184     }
 185
 186     // install callbacks
 187     XtAddCallback((Widget) m_mainWidget, XmNvalueChangedCallback, (XtCallbackProc)wxTextWindowChangedProc, (XtPointer)this);
 188
 189     XtAddCallback((Widget) m_mainWidget, XmNmodifyVerifyCallback, (XtCallbackProc)wxTextWindowModifyProc, (XtPointer)this);
 190
 191     XtAddCallback((Widget) m_mainWidget, XmNactivateCallback, (XtCallbackProc)wxTextWindowActivateProc, (XtPointer)this);
 192
 193     XtAddCallback((Widget) m_mainWidget, XmNfocusCallback, (XtCallbackProc)wxTextWindowGainFocusProc, (XtPointer)this);
 194
 195     XtAddCallback((Widget) m_mainWidget, XmNlosingFocusCallback, (XtCallbackProc)wxTextWindowLoseFocusProc, (XtPointer)this);
 196
 197     PostCreation();
 198     AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
 199                   pos.x, pos.y, size.x, size.y);
 200
 201     return true;
 202 }
 203
 204 WXWidget wxTextCtrl::GetTopWidget() const
 205 {
 206     return IsMultiLine() ? (WXWidget)XtParent((Widget)m_mainWidget)
 207                          : m_mainWidget;
 208 }
 209
 210 wxString wxTextCtrl::GetValue() const
 211 {
 212     wxString str; // result
 213
 214     if (m_windowStyle & wxTE_PASSWORD)
 215     {
 216         // the value is stored always in m_value because it can't be retrieved
 217         // from the text control
 218         str = m_value;
 219     }
 220     else
 221     {
 222         str = wxTextEntry::GetValue();
 223
 224         if ( m_tempCallbackStruct )
 225         {
 226             // the string in the control isn't yet updated, can't use it as is
 227             MergeChangesIntoString(str, (XmTextVerifyCallbackStruct *)
 228                                    m_tempCallbackStruct);
 229         }
 230     }
 231
 232     return str;
 233 }
 234
 235 void wxTextCtrl::DoSetValue(const wxString& text, int flags)
 236 {
 237     m_inSetValue = true;
 238
 239     XmTextSetString ((Widget) m_mainWidget, text.char_str());
 240     XtVaSetValues ((Widget) m_mainWidget,
 241                    XmNcursorPosition, text.length(),
 242                    NULL);
 243
 244     SetInsertionPoint(text.length());
 245     XmTextShowPosition ((Widget) m_mainWidget, text.length());
 246     m_modified = true;
 247
 248     m_inSetValue = false;
 249
 250     if ( flags & SetValue_SendEvent )
 251         SendTextUpdatedEvent();
 252 }
 253
 254 bool wxTextCtrl::IsModified() const
 255 {
 256     return m_modified;
 257 }
 258
 259 // Makes modified or unmodified
 260 void wxTextCtrl::MarkDirty()
 261 {
 262     m_modified = true;
 263 }
 264
 265 void wxTextCtrl::DiscardEdits()
 266 {
 267     m_modified = false;
 268 }
 269
 270 int wxTextCtrl::GetNumberOfLines() const
 271 {
 272     // HIDEOUSLY inefficient, but we have no choice.
 273     char *s = XmTextGetString ((Widget) m_mainWidget);
 274     if (s)
 275     {
 276         long i = 0;
 277         int currentLine = 0;
 278         bool finished = false;
 279         while (!finished)
 280         {
 281             int ch = s[i];
 282             if (ch == '\n')
 283             {
 284                 currentLine++;
 285                 i++;
 286             }
 287             else if (ch == 0)
 288             {
 289                 finished = true;
 290             }
 291             else
 292                 i++;
 293         }
 294
 295         XtFree (s);
 296         return currentLine;
 297     }
 298     return 0;
 299 }
 300
 301 long wxTextCtrl::XYToPosition(long x, long y) const
 302 {
 303 /* It seems, that there is a bug in some versions of the Motif library,
 304     so the original wxWin-Code doesn't work. */
 305     /*
 306     Widget textWidget = (Widget) handle;
 307     return (long) XmTextXYToPos (textWidget, (Position) x, (Position) y);
 308     */
 309     /* Now a little workaround: */
 310     long r=0;
 311     for (int i=0; i<y; i++) r+=(GetLineLength(i)+1);
 312     return r+x;
 313 }
 314
 315 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 316 {
 317     Position xx, yy;
 318     XmTextPosToXY((Widget) m_mainWidget, pos, &xx, &yy);
 319     if ( x )
 320         *x = xx;
 321     if ( y )
 322         *y = yy;
 323
 324     return true;
 325 }
 326
 327 void wxTextCtrl::ShowPosition(long pos)
 328 {
 329     XmTextShowPosition ((Widget) m_mainWidget, (XmTextPosition) pos);
 330 }
 331
 332 int wxTextCtrl::GetLineLength(long lineNo) const
 333 {
 334     wxString str = GetLineText (lineNo);
 335     return (int) str.length();
 336 }
 337
 338 wxString wxTextCtrl::GetLineText(long lineNo) const
 339 {
 340     // HIDEOUSLY inefficient, but we have no choice.
 341     char *s = XmTextGetString ((Widget) m_mainWidget);
 342
 343     if (s)
 344     {
 345         wxString buf;
 346         long i;
 347         int currentLine = 0;
 348         for (i = 0; currentLine != lineNo && s[i]; i++ )
 349             if (s[i] == '\n')
 350                 currentLine++;
 351             // Now get the text
 352             int j;
 353             for (j = 0; s[i] && s[i] != '\n'; i++, j++ )
 354                 buf += s[i];
 355
 356             XtFree(s);
 357             return buf;
 358     }
 359     else
 360         return wxEmptyString;
 361 }
 362
 363 /*
 364 * Text item
 365 */
 366
 367 void wxTextCtrl::Command(wxCommandEvent & event)
 368 {
 369     SetValue (event.GetString());
 370     ProcessCommand (event);
 371 }
 372
 373 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 374 {
 375     // By default, load the first file into the text window.
 376     if (event.GetNumberOfFiles() > 0)
 377     {
 378         LoadFile(event.GetFiles()[0]);
 379     }
 380 }
 381
 382 void wxTextCtrl::OnChar(wxKeyEvent& event)
 383 {
 384     // Indicates that we should generate a normal command, because
 385     // we're letting default behaviour happen (otherwise it's vetoed
 386     // by virtue of overriding OnChar)
 387     m_processedDefault = true;
 388
 389     if (m_tempCallbackStruct)
 390     {
 391         XmTextVerifyCallbackStruct *textStruct =
 392             (XmTextVerifyCallbackStruct *) m_tempCallbackStruct;
 393         textStruct->doit = True;
 394         if (isascii(event.m_keyCode) && (textStruct->text->length == 1))
 395         {
 396             textStruct->text->ptr[0] = (char)((event.m_keyCode == WXK_RETURN) ? 10 : event.m_keyCode);
 397         }
 398     }
 399 }
 400
 401 void wxTextCtrl::ChangeFont(bool keepOriginalSize)
 402 {
 403     wxWindow::ChangeFont(keepOriginalSize);
 404 }
 405
 406 void wxTextCtrl::ChangeBackgroundColour()
 407 {
 408     wxWindow::ChangeBackgroundColour();
 409
 410     /* TODO: should scrollbars be affected? Should probably have separate
 411     * function to change them (by default, taken from wxSystemSettings)
 412     */
 413     if (m_windowStyle & wxTE_MULTILINE)
 414     {
 415         Widget parent = XtParent ((Widget) m_mainWidget);
 416         Widget hsb, vsb;
 417
 418         XtVaGetValues (parent,
 419             XmNhorizontalScrollBar, &hsb,
 420             XmNverticalScrollBar, &vsb,
 421             NULL);
 422         wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 423         if (hsb)
 424             wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, true);
 425         if (vsb)
 426             wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, true);
 427
 428         // MBN: why change parent background?
 429         // DoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, true);
 430     }
 431 }
 432
 433 void wxTextCtrl::ChangeForegroundColour()
 434 {
 435     wxWindow::ChangeForegroundColour();
 436
 437     if (m_windowStyle & wxTE_MULTILINE)
 438     {
 439         Widget parent = XtParent ((Widget) m_mainWidget);
 440         Widget hsb, vsb;
 441
 442         XtVaGetValues (parent,
 443             XmNhorizontalScrollBar, &hsb,
 444             XmNverticalScrollBar, &vsb,
 445             NULL);
 446
 447             /* TODO: should scrollbars be affected? Should probably have separate
 448             * function to change them (by default, taken from wxSystemSettings)
 449             if (hsb)
 450             DoChangeForegroundColour((WXWidget) hsb, m_foregroundColour);
 451             if (vsb)
 452             DoChangeForegroundColour((WXWidget) vsb, m_foregroundColour);
 453         */
 454         wxDoChangeForegroundColour((WXWidget) parent, m_foregroundColour);
 455     }
 456 }
 457
 458 void wxTextCtrl::DoSendEvents(void *wxcbs, long keycode)
 459 {
 460     // we're in process of updating the text control
 461     m_tempCallbackStruct = wxcbs;
 462
 463     XmTextVerifyCallbackStruct *cbs = (XmTextVerifyCallbackStruct *)wxcbs;
 464
 465     wxKeyEvent event (wxEVT_CHAR);
 466     event.SetId(GetId());
 467     event.m_keyCode = keycode;
 468     event.SetEventObject(this);
 469
 470     // Only if wxTextCtrl::OnChar is called will this be set to True (and
 471     // the character passed through)
 472     cbs->doit = False;
 473
 474     GetEventHandler()->ProcessEvent(event);
 475
 476     if ( !InSetValue() && m_processedDefault )
 477     {
 478         // Can generate a command
 479         wxCommandEvent commandEvent(wxEVT_COMMAND_TEXT_UPDATED, GetId());
 480         commandEvent.SetEventObject(this);
 481         ProcessCommand(commandEvent);
 482     }
 483
 484     // do it after the (user) event handlers processed the events because
 485     // otherwise GetValue() would return incorrect (not yet updated value)
 486     m_tempCallbackStruct = NULL;
 487 }
 488
 489 wxSize wxDoGetSingleTextCtrlBestSize( Widget textWidget,
 490                                       const wxWindow* window )
 491 {
 492     Dimension xmargin, ymargin, highlight, shadow;
 493     char* value;
 494
 495     XtVaGetValues( textWidget,
 496                    XmNmarginWidth, &xmargin,
 497                    XmNmarginHeight, &ymargin,
 498                    XmNvalue, &value,
 499                    XmNhighlightThickness, &highlight,
 500                    XmNshadowThickness, &shadow,
 501                    NULL );
 502
 503     if( !value )
 504         value = wxMOTIF_STR("|");
 505
 506     int x, y;
 507     window->GetTextExtent( value, &x, &y );
 508
 509     if( x < 90 )
 510         x = 90;
 511
 512     return wxSize( x + 2 * xmargin + 2 * highlight + 2 * shadow,
 513                    // MBN: +2 necessary: Lesstif bug or mine?
 514                    y + 2 * ymargin + 2 * highlight + 2 * shadow + 2 );
 515 }
 516
 517 wxSize wxTextCtrl::DoGetBestSize() const
 518 {
 519     if( IsSingleLine() )
 520     {
 521         wxSize best = wxControl::DoGetBestSize();
 522 #if wxCHECK_MOTIF_VERSION( 2, 3 )
 523         // OpenMotif 2.3 gives way too big X sizes
 524         wxSize other_best = wxDoGetSingleTextCtrlBestSize
 525                                 ( (Widget) GetTopWidget(), this );
 526         return wxSize( other_best.x, best.y );
 527 #else
 528         if( best.x < 90 ) best.x = 90;
 529
 530         return best;
 531 #endif
 532     }
 533     else
 534         return wxWindow::DoGetBestSize();
 535 }
 536
 537 // ----------------------------------------------------------------------------
 538 // helpers and Motif callbacks
 539 // ----------------------------------------------------------------------------
 540
 541 static void MergeChangesIntoString(wxString& value,
 542                                    XmTextVerifyCallbackStruct *cbs)
 543 {
 544     /* _sm_
 545      * At least on my system (SunOS 4.1.3 + Motif 1.2), you need to think of
 546      * every event as a replace event.  cbs->text->ptr gives the replacement
 547      * text, cbs->startPos gives the index of the first char affected by the
 548      * replace, and cbs->endPos gives the index one more than the last char
 549      * affected by the replace (startPos == endPos implies an empty range).
 550      * Hence, a deletion is represented by replacing all input text with a
 551      * blank string ("", *not* NULL!).  A simple insertion that does not
 552      * overwrite any text has startPos == endPos.
 553      */
 554
 555     if ( !value )
 556     {
 557         // easy case: the ol value was empty
 558         value = cbs->text->ptr;
 559     }
 560     else
 561     {
 562         // merge the changes into the value
 563         const char * const passwd = value;
 564         int len = value.length();
 565
 566         len += ( cbs->text->ptr ?
 567                  strlen(cbs->text->ptr) :
 568                  0 ) + 1;                      // + new text (if any) + NUL
 569         len -= cbs->endPos - cbs->startPos;    // - text from affected region.
 570
 571         char * newS = new char [len];
 572         char * dest = newS,
 573              * insert = cbs->text->ptr;
 574
 575         // Copy (old) text from passwd, up to the start posn of the change.
 576         int i;
 577         const char * p = passwd;
 578         for (i = 0; i < cbs->startPos; ++i)
 579             *dest++ = *p++;
 580
 581         // Copy the text to be inserted).
 582         if (insert)
 583             while (*insert)
 584                 *dest++ = *insert++;
 585
 586         // Finally, copy into newS any remaining text from passwd[endPos] on.
 587         for (p = passwd + cbs->endPos; *p; )
 588             *dest++ = *p++;
 589         *dest = 0;
 590
 591         value = newS;
 592
 593         delete[] newS;
 594     }
 595 }
 596
 597 static void
 598 wxTextWindowChangedProc (Widget w, XtPointer clientData, XtPointer WXUNUSED(ptr))
 599 {
 600     if (!wxGetWindowFromTable(w))
 601         // Widget has been deleted!
 602         return;
 603
 604     wxTextCtrl *tw = (wxTextCtrl *) clientData;
 605     tw->SetModified(true);
 606 }
 607
 608 static void
 609 wxTextWindowModifyProc (Widget WXUNUSED(w), XtPointer clientData, XmTextVerifyCallbackStruct *cbs)
 610 {
 611     wxTextCtrl *tw = (wxTextCtrl *) clientData;
 612     tw->m_processedDefault = false;
 613
 614     // First, do some stuff if it's a password control: in this case, we need
 615     // to store the string inside the class because GetValue() can't retrieve
 616     // it from the text ctrl. We do *not* do it in other circumstances because
 617     // it would double the amount of memory needed.
 618
 619     if ( tw->GetWindowStyleFlag() & wxTE_PASSWORD )
 620     {
 621         MergeChangesIntoString(tw->m_value, cbs);
 622
 623         if ( cbs->text->length > 0 )
 624         {
 625             int i;
 626             for (i = 0; i < cbs->text->length; ++i)
 627                 cbs->text->ptr[i] = '*';
 628             cbs->text->ptr[i] = '\0';
 629         }
 630     }
 631
 632     if(tw->InSetValue())
 633         return;
 634
 635     // If we're already within an OnChar, return: probably a programmatic
 636     // insertion.
 637     if (tw->m_tempCallbackStruct)
 638         return;
 639
 640     // Check for a backspace
 641     if (cbs->startPos == (cbs->currInsert - 1))
 642     {
 643         tw->DoSendEvents((void *)cbs, WXK_DELETE);
 644
 645         return;
 646     }
 647
 648     // Pasting operation: let it through without calling OnChar
 649     if (cbs->text->length > 1)
 650         return;
 651
 652     // Something other than text
 653     if (cbs->text->ptr == NULL)
 654         return;
 655
 656     // normal key press
 657     char ch = cbs->text->ptr[0];
 658     tw->DoSendEvents((void *)cbs, ch == '\n' ? '\r' : ch);
 659 }
 660
 661 static void
 662 wxTextWindowGainFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *WXUNUSED(cbs))
 663 {
 664     if (!wxGetWindowFromTable(w))
 665         return;
 666
 667     wxTextCtrl *tw = (wxTextCtrl *) clientData;
 668     wxFocusEvent event(wxEVT_SET_FOCUS, tw->GetId());
 669     event.SetEventObject(tw);
 670     tw->GetEventHandler()->ProcessEvent(event);
 671 }
 672
 673 static void
 674 wxTextWindowLoseFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *WXUNUSED(cbs))
 675 {
 676     if (!wxGetWindowFromTable(w))
 677         return;
 678
 679     wxTextCtrl *tw = (wxTextCtrl *) clientData;
 680     wxFocusEvent event(wxEVT_KILL_FOCUS, tw->GetId());
 681     event.SetEventObject(tw);
 682     tw->GetEventHandler()->ProcessEvent(event);
 683 }
 684
 685 static void wxTextWindowActivateProc(Widget w, XtPointer clientData,
 686                                      XmAnyCallbackStruct *WXUNUSED(ptr))
 687 {
 688     if (!wxGetWindowFromTable(w))
 689         return;
 690
 691     wxTextCtrl *tw = (wxTextCtrl *) clientData;
 692
 693     if (tw->InSetValue())
 694         return;
 695
 696     wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER);
 697     event.SetId(tw->GetId());
 698     event.SetEventObject(tw);
 699     tw->ProcessCommand(event);
 700 }
 701
 702 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
 703 {
 704     Cut();
 705 }
 706
 707 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
 708 {
 709     Copy();
 710 }
 711
 712 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
 713 {
 714     Paste();
 715 }
 716
 717 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
 718 {
 719     Undo();
 720 }
 721
 722 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
 723 {
 724     Redo();
 725 }
 726
 727 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
 728 {
 729     event.Enable( CanCut() );
 730 }
 731
 732 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
 733 {
 734     event.Enable( CanCopy() );
 735 }
 736
 737 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
 738 {
 739     event.Enable( CanPaste() );
 740 }
 741
 742 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
 743 {
 744     event.Enable( CanUndo() );
 745 }
 746
 747 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
 748 {
 749     event.Enable( CanRedo() );
 750 }