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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 HandleWindowEvent(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->HandleWindowEvent(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->HandleWindowEvent(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 }