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