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