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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
114 m_tempCallbackStruct = (void*) NULL;
115 m_modified = false;
116 m_processedDefault = false;
117
118 m_backgroundColour = *wxWHITE;
119
120 Widget parentWidget = (Widget) parent->GetClientWidget();
121
122 Bool wantHorizScroll = (m_windowStyle & wxHSCROLL) != 0 ? True : False;
123 // If we don't have horizontal scrollbars, we want word wrap.
124 // OpenMotif 2.1 crashes if wantWordWrap is True in Japanese
125 // locale (and probably other multibyte locales). The check might be
126 // more precise
127 #if wxCHECK_LESSTIF() || wxCHECK_MOTIF_VERSION( 2, 2 )
128 Bool wantWordWrap = wantHorizScroll == True ? False : True;
129 #else
130 Bool wantWordWrap = False;
131 #endif
132
133 if (m_windowStyle & wxTE_MULTILINE)
134 {
135 Arg args[8];
136 int count = 0;
137 XtSetArg (args[count], XmNscrollHorizontal, wantHorizScroll); ++count;
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, 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 wxConstCast(name.mb_str(), char),
149 args, count);
150
151 XtManageChild ((Widget) m_mainWidget);
152 }
153 else
154 {
155 m_mainWidget = (WXWidget)XtVaCreateManagedWidget
156 (
157 wxConstCast(name.mb_str(), char),
158 xmTextWidgetClass,
159 parentWidget,
160 wxFont::GetFontTag(), m_font.GetFontType( XtDisplay(parentWidget) ),
161 XmNvalue, 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 AttachWidget (parent, m_mainWidget, (WXWidget) NULL,
198 pos.x, pos.y, size.x, size.y);
199
200 ChangeBackgroundColour();
201
202 return true;
203 }
204
205 WXWidget wxTextCtrl::GetTopWidget() const
206 {
207 return IsMultiLine() ? (WXWidget)XtParent((Widget)m_mainWidget)
208 : m_mainWidget;
209 }
210
211 wxString wxTextCtrl::GetValue() const
212 {
213 wxString str; // result
214
215 if (m_windowStyle & wxTE_PASSWORD)
216 {
217 // the value is stored always in m_value because it can't be retrieved
218 // from the text control
219 str = m_value;
220 }
221 else
222 {
223 // just get the string from Motif
224 char *s = XmTextGetString ((Widget) m_mainWidget);
225 if ( s )
226 {
227 str = s;
228 XtFree (s);
229 }
230 //else: return empty string
231
232 if ( m_tempCallbackStruct )
233 {
234 // the string in the control isn't yet updated, can't use it as is
235 MergeChangesIntoString(str, (XmTextVerifyCallbackStruct *)
236 m_tempCallbackStruct);
237 }
238 }
239
240 return str;
241 }
242
243 void wxTextCtrl::DoSetValue(const wxString& text, int flags)
244 {
245 m_inSetValue = true;
246
247 XmTextSetString ((Widget) m_mainWidget, wxConstCast(text.mb_str(), char));
248 XtVaSetValues ((Widget) m_mainWidget,
249 XmNcursorPosition, text.length(),
250 NULL);
251
252 SetInsertionPoint(text.length());
253 XmTextShowPosition ((Widget) m_mainWidget, text.length());
254 m_modified = true;
255
256 m_inSetValue = false;
257
258 if ( flags & SetValue_SendEvent )
259 SendTextUpdatedEvent();
260 }
261
262 // Clipboard operations
263 void wxTextCtrl::Copy()
264 {
265 XmTextCopy((Widget) m_mainWidget, CurrentTime);
266 }
267
268 void wxTextCtrl::Cut()
269 {
270 XmTextCut((Widget) m_mainWidget, CurrentTime);
271 }
272
273 void wxTextCtrl::Paste()
274 {
275 XmTextPaste((Widget) m_mainWidget);
276 }
277
278 bool wxTextCtrl::CanCopy() const
279 {
280 // Can copy if there's a selection
281 long from, to;
282 GetSelection(& from, & to);
283 return (from != to) ;
284 }
285
286 bool wxTextCtrl::CanCut() const
287 {
288 // Can cut if there's a selection
289 long from, to;
290 GetSelection(& from, & to);
291 return (from != to) && (IsEditable());
292 }
293
294 bool wxTextCtrl::CanPaste() const
295 {
296 return IsEditable() ;
297 }
298
299 // Undo/redo
300 void wxTextCtrl::Undo()
301 {
302 // Not possible in Motif
303 }
304
305 void wxTextCtrl::Redo()
306 {
307 // Not possible in Motif
308 }
309
310 bool wxTextCtrl::CanUndo() const
311 {
312 // No Undo in Motif
313 return false;
314 }
315
316 bool wxTextCtrl::CanRedo() const
317 {
318 // No Redo in Motif
319 return false;
320 }
321
322 // If the return values from and to are the same, there is no
323 // selection.
324 void wxTextCtrl::GetSelection(long* from, long* to) const
325 {
326 XmTextPosition left, right;
327
328 XmTextGetSelectionPosition((Widget) m_mainWidget, & left, & right);
329
330 *from = (long) left;
331 *to = (long) right;
332 }
333
334 bool wxTextCtrl::IsEditable() const
335 {
336 return (XmTextGetEditable((Widget) m_mainWidget) != 0);
337 }
338
339 void wxTextCtrl::SetEditable(bool editable)
340 {
341 XmTextSetEditable((Widget) m_mainWidget, (Boolean) editable);
342 }
343
344 void wxTextCtrl::SetInsertionPoint(long pos)
345 {
346 XmTextSetInsertionPosition ((Widget) m_mainWidget, (XmTextPosition) pos);
347 }
348
349 void wxTextCtrl::SetInsertionPointEnd()
350 {
351 wxTextPos pos = GetLastPosition();
352 SetInsertionPoint(pos);
353 }
354
355 long wxTextCtrl::GetInsertionPoint() const
356 {
357 return (long) XmTextGetInsertionPosition ((Widget) m_mainWidget);
358 }
359
360 wxTextPos wxTextCtrl::GetLastPosition() const
361 {
362 return (long) XmTextGetLastPosition ((Widget) m_mainWidget);
363 }
364
365 void wxTextCtrl::Replace(long from, long to, const wxString& value)
366 {
367 XmTextReplace ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
368 wxConstCast(value.mb_str(), char));
369 }
370
371 void wxTextCtrl::Remove(long from, long to)
372 {
373 XmTextSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
374 (Time) 0);
375 XmTextRemove ((Widget) m_mainWidget);
376 }
377
378 void wxTextCtrl::SetSelection(long from, long to)
379 {
380 if( to == -1 )
381 to = GetLastPosition();
382
383 XmTextSetSelection ((Widget) m_mainWidget, (XmTextPosition) from, (XmTextPosition) to,
384 (Time) 0);
385 }
386
387 void wxTextCtrl::WriteText(const wxString& text)
388 {
389 long textPosition = GetInsertionPoint() + text.length();
390 XmTextInsert ((Widget) m_mainWidget, GetInsertionPoint(),
391 wxConstCast(text.mb_str(), char));
392 XtVaSetValues ((Widget) m_mainWidget, XmNcursorPosition, textPosition, NULL);
393 SetInsertionPoint(textPosition);
394 XmTextShowPosition ((Widget) m_mainWidget, textPosition);
395 m_modified = true;
396 }
397
398 void wxTextCtrl::AppendText(const wxString& text)
399 {
400 wxTextPos textPosition = GetLastPosition() + text.length();
401 XmTextInsert ((Widget) m_mainWidget, GetLastPosition(),
402 wxConstCast(text.mb_str(), char));
403 XtVaSetValues ((Widget) m_mainWidget, XmNcursorPosition, textPosition, NULL);
404 SetInsertionPoint(textPosition);
405 XmTextShowPosition ((Widget) m_mainWidget, textPosition);
406 m_modified = true;
407 }
408
409 void wxTextCtrl::Clear()
410 {
411 XmTextSetString ((Widget) m_mainWidget, wxMOTIF_STR(""));
412 m_modified = false;
413 }
414
415 bool wxTextCtrl::IsModified() const
416 {
417 return m_modified;
418 }
419
420 // Makes modified or unmodified
421 void wxTextCtrl::MarkDirty()
422 {
423 m_modified = true;
424 }
425
426 void wxTextCtrl::DiscardEdits()
427 {
428 m_modified = false;
429 }
430
431 int wxTextCtrl::GetNumberOfLines() const
432 {
433 // HIDEOUSLY inefficient, but we have no choice.
434 char *s = XmTextGetString ((Widget) m_mainWidget);
435 if (s)
436 {
437 long i = 0;
438 int currentLine = 0;
439 bool finished = false;
440 while (!finished)
441 {
442 int ch = s[i];
443 if (ch == '\n')
444 {
445 currentLine++;
446 i++;
447 }
448 else if (ch == 0)
449 {
450 finished = true;
451 }
452 else
453 i++;
454 }
455
456 XtFree (s);
457 return currentLine;
458 }
459 return 0;
460 }
461
462 long wxTextCtrl::XYToPosition(long x, long y) const
463 {
464 /* It seems, that there is a bug in some versions of the Motif library,
465 so the original wxWin-Code doesn't work. */
466 /*
467 Widget textWidget = (Widget) handle;
468 return (long) XmTextXYToPos (textWidget, (Position) x, (Position) y);
469 */
470 /* Now a little workaround: */
471 long r=0;
472 for (int i=0; i<y; i++) r+=(GetLineLength(i)+1);
473 return r+x;
474 }
475
476 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
477 {
478 Position xx, yy;
479 XmTextPosToXY((Widget) m_mainWidget, pos, &xx, &yy);
480 if ( x )
481 *x = xx;
482 if ( y )
483 *y = yy;
484
485 return true;
486 }
487
488 void wxTextCtrl::ShowPosition(long pos)
489 {
490 XmTextShowPosition ((Widget) m_mainWidget, (XmTextPosition) pos);
491 }
492
493 int wxTextCtrl::GetLineLength(long lineNo) const
494 {
495 wxString str = GetLineText (lineNo);
496 return (int) str.length();
497 }
498
499 wxString wxTextCtrl::GetLineText(long lineNo) const
500 {
501 // HIDEOUSLY inefficient, but we have no choice.
502 char *s = XmTextGetString ((Widget) m_mainWidget);
503
504 if (s)
505 {
506 wxString buf;
507 long i;
508 int currentLine = 0;
509 for (i = 0; currentLine != lineNo && s[i]; i++ )
510 if (s[i] == '\n')
511 currentLine++;
512 // Now get the text
513 int j;
514 for (j = 0; s[i] && s[i] != '\n'; i++, j++ )
515 buf += s[i];
516
517 XtFree(s);
518 return buf;
519 }
520 else
521 return wxEmptyString;
522 }
523
524 /*
525 * Text item
526 */
527
528 void wxTextCtrl::Command(wxCommandEvent & event)
529 {
530 SetValue (event.GetString());
531 ProcessCommand (event);
532 }
533
534 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
535 {
536 // By default, load the first file into the text window.
537 if (event.GetNumberOfFiles() > 0)
538 {
539 LoadFile(event.GetFiles()[0]);
540 }
541 }
542
543 void wxTextCtrl::OnChar(wxKeyEvent& event)
544 {
545 // Indicates that we should generate a normal command, because
546 // we're letting default behaviour happen (otherwise it's vetoed
547 // by virtue of overriding OnChar)
548 m_processedDefault = true;
549
550 if (m_tempCallbackStruct)
551 {
552 XmTextVerifyCallbackStruct *textStruct =
553 (XmTextVerifyCallbackStruct *) m_tempCallbackStruct;
554 textStruct->doit = True;
555 if (isascii(event.m_keyCode) && (textStruct->text->length == 1))
556 {
557 textStruct->text->ptr[0] = (char)((event.m_keyCode == WXK_RETURN) ? 10 : event.m_keyCode);
558 }
559 }
560 }
561
562 void wxTextCtrl::ChangeFont(bool keepOriginalSize)
563 {
564 wxWindow::ChangeFont(keepOriginalSize);
565 }
566
567 void wxTextCtrl::ChangeBackgroundColour()
568 {
569 wxWindow::ChangeBackgroundColour();
570
571 /* TODO: should scrollbars be affected? Should probably have separate
572 * function to change them (by default, taken from wxSystemSettings)
573 */
574 if (m_windowStyle & wxTE_MULTILINE)
575 {
576 Widget parent = XtParent ((Widget) m_mainWidget);
577 Widget hsb, vsb;
578
579 XtVaGetValues (parent,
580 XmNhorizontalScrollBar, &hsb,
581 XmNverticalScrollBar, &vsb,
582 NULL);
583 wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
584 if (hsb)
585 wxDoChangeBackgroundColour((WXWidget) hsb, backgroundColour, true);
586 if (vsb)
587 wxDoChangeBackgroundColour((WXWidget) vsb, backgroundColour, true);
588
589 // MBN: why change parent background?
590 // DoChangeBackgroundColour((WXWidget) parent, m_backgroundColour, true);
591 }
592 }
593
594 void wxTextCtrl::ChangeForegroundColour()
595 {
596 wxWindow::ChangeForegroundColour();
597
598 if (m_windowStyle & wxTE_MULTILINE)
599 {
600 Widget parent = XtParent ((Widget) m_mainWidget);
601 Widget hsb, vsb;
602
603 XtVaGetValues (parent,
604 XmNhorizontalScrollBar, &hsb,
605 XmNverticalScrollBar, &vsb,
606 NULL);
607
608 /* TODO: should scrollbars be affected? Should probably have separate
609 * function to change them (by default, taken from wxSystemSettings)
610 if (hsb)
611 DoChangeForegroundColour((WXWidget) hsb, m_foregroundColour);
612 if (vsb)
613 DoChangeForegroundColour((WXWidget) vsb, m_foregroundColour);
614 */
615 wxDoChangeForegroundColour((WXWidget) parent, m_foregroundColour);
616 }
617 }
618
619 void wxTextCtrl::DoSendEvents(void *wxcbs, long keycode)
620 {
621 // we're in process of updating the text control
622 m_tempCallbackStruct = wxcbs;
623
624 XmTextVerifyCallbackStruct *cbs = (XmTextVerifyCallbackStruct *)wxcbs;
625
626 wxKeyEvent event (wxEVT_CHAR);
627 event.SetId(GetId());
628 event.m_keyCode = keycode;
629 event.SetEventObject(this);
630
631 // Only if wxTextCtrl::OnChar is called will this be set to True (and
632 // the character passed through)
633 cbs->doit = False;
634
635 GetEventHandler()->ProcessEvent(event);
636
637 if ( !InSetValue() && m_processedDefault )
638 {
639 // Can generate a command
640 wxCommandEvent commandEvent(wxEVT_COMMAND_TEXT_UPDATED, GetId());
641 commandEvent.SetEventObject(this);
642 ProcessCommand(commandEvent);
643 }
644
645 // do it after the (user) event handlers processed the events because
646 // otherwise GetValue() would return incorrect (not yet updated value)
647 m_tempCallbackStruct = NULL;
648 }
649
650 wxSize wxDoGetSingleTextCtrlBestSize( Widget textWidget,
651 const wxWindow* window )
652 {
653 Dimension xmargin, ymargin, highlight, shadow;
654 char* value;
655
656 XtVaGetValues( textWidget,
657 XmNmarginWidth, &xmargin,
658 XmNmarginHeight, &ymargin,
659 XmNvalue, &value,
660 XmNhighlightThickness, &highlight,
661 XmNshadowThickness, &shadow,
662 NULL );
663
664 if( !value )
665 value = wxMOTIF_STR("|");
666
667 int x, y;
668 window->GetTextExtent( value, &x, &y );
669
670 if( x < 100 )
671 x = 100;
672
673 return wxSize( x + 2 * xmargin + 2 * highlight + 2 * shadow,
674 // MBN: +2 necessary: Lesstif bug or mine?
675 y + 2 * ymargin + 2 * highlight + 2 * shadow + 2 );
676 }
677
678 wxSize wxTextCtrl::DoGetBestSize() const
679 {
680 if( IsSingleLine() )
681 {
682 wxSize best = wxControl::DoGetBestSize();
683
684 if( best.x < 110 ) best.x = 110;
685
686 return best;
687 }
688 else
689 return wxWindow::DoGetBestSize();
690 }
691
692 // ----------------------------------------------------------------------------
693 // helpers and Motif callbacks
694 // ----------------------------------------------------------------------------
695
696 static void MergeChangesIntoString(wxString& value,
697 XmTextVerifyCallbackStruct *cbs)
698 {
699 /* _sm_
700 * At least on my system (SunOS 4.1.3 + Motif 1.2), you need to think of
701 * every event as a replace event. cbs->text->ptr gives the replacement
702 * text, cbs->startPos gives the index of the first char affected by the
703 * replace, and cbs->endPos gives the index one more than the last char
704 * affected by the replace (startPos == endPos implies an empty range).
705 * Hence, a deletion is represented by replacing all input text with a
706 * blank string ("", *not* NULL!). A simple insertion that does not
707 * overwrite any text has startPos == endPos.
708 */
709
710 if ( !value )
711 {
712 // easy case: the ol value was empty
713 value = cbs->text->ptr;
714 }
715 else
716 {
717 // merge the changes into the value
718 const char * const passwd = value;
719 int len = value.length();
720
721 len += ( cbs->text->ptr ?
722 strlen(cbs->text->ptr) :
723 0 ) + 1; // + new text (if any) + NUL
724 len -= cbs->endPos - cbs->startPos; // - text from affected region.
725
726 char * newS = new char [len];
727 char * dest = newS,
728 * insert = cbs->text->ptr;
729
730 // Copy (old) text from passwd, up to the start posn of the change.
731 int i;
732 const char * p = passwd;
733 for (i = 0; i < cbs->startPos; ++i)
734 *dest++ = *p++;
735
736 // Copy the text to be inserted).
737 if (insert)
738 while (*insert)
739 *dest++ = *insert++;
740
741 // Finally, copy into newS any remaining text from passwd[endPos] on.
742 for (p = passwd + cbs->endPos; *p; )
743 *dest++ = *p++;
744 *dest = 0;
745
746 value = newS;
747
748 delete[] newS;
749 }
750 }
751
752 static void
753 wxTextWindowChangedProc (Widget w, XtPointer clientData, XtPointer WXUNUSED(ptr))
754 {
755 if (!wxGetWindowFromTable(w))
756 // Widget has been deleted!
757 return;
758
759 wxTextCtrl *tw = (wxTextCtrl *) clientData;
760 tw->SetModified(true);
761 }
762
763 static void
764 wxTextWindowModifyProc (Widget WXUNUSED(w), XtPointer clientData, XmTextVerifyCallbackStruct *cbs)
765 {
766 wxTextCtrl *tw = (wxTextCtrl *) clientData;
767 tw->m_processedDefault = false;
768
769 // First, do some stuff if it's a password control: in this case, we need
770 // to store the string inside the class because GetValue() can't retrieve
771 // it from the text ctrl. We do *not* do it in other circumstances because
772 // it would double the amount of memory needed.
773
774 if ( tw->GetWindowStyleFlag() & wxTE_PASSWORD )
775 {
776 MergeChangesIntoString(tw->m_value, cbs);
777
778 if ( cbs->text->length > 0 )
779 {
780 int i;
781 for (i = 0; i < cbs->text->length; ++i)
782 cbs->text->ptr[i] = '*';
783 cbs->text->ptr[i] = '\0';
784 }
785 }
786
787 if(tw->InSetValue())
788 return;
789
790 // If we're already within an OnChar, return: probably a programmatic
791 // insertion.
792 if (tw->m_tempCallbackStruct)
793 return;
794
795 // Check for a backspace
796 if (cbs->startPos == (cbs->currInsert - 1))
797 {
798 tw->DoSendEvents((void *)cbs, WXK_DELETE);
799
800 return;
801 }
802
803 // Pasting operation: let it through without calling OnChar
804 if (cbs->text->length > 1)
805 return;
806
807 // Something other than text
808 if (cbs->text->ptr == NULL)
809 return;
810
811 // normal key press
812 char ch = cbs->text->ptr[0];
813 tw->DoSendEvents((void *)cbs, ch == '\n' ? '\r' : ch);
814 }
815
816 static void
817 wxTextWindowGainFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *WXUNUSED(cbs))
818 {
819 if (!wxGetWindowFromTable(w))
820 return;
821
822 wxTextCtrl *tw = (wxTextCtrl *) clientData;
823 wxFocusEvent event(wxEVT_SET_FOCUS, tw->GetId());
824 event.SetEventObject(tw);
825 tw->GetEventHandler()->ProcessEvent(event);
826 }
827
828 static void
829 wxTextWindowLoseFocusProc (Widget w, XtPointer clientData, XmAnyCallbackStruct *WXUNUSED(cbs))
830 {
831 if (!wxGetWindowFromTable(w))
832 return;
833
834 wxTextCtrl *tw = (wxTextCtrl *) clientData;
835 wxFocusEvent event(wxEVT_KILL_FOCUS, tw->GetId());
836 event.SetEventObject(tw);
837 tw->GetEventHandler()->ProcessEvent(event);
838 }
839
840 static void wxTextWindowActivateProc(Widget w, XtPointer clientData,
841 XmAnyCallbackStruct *WXUNUSED(ptr))
842 {
843 if (!wxGetWindowFromTable(w))
844 return;
845
846 wxTextCtrl *tw = (wxTextCtrl *) clientData;
847
848 if (tw->InSetValue())
849 return;
850
851 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER);
852 event.SetId(tw->GetId());
853 event.SetEventObject(tw);
854 tw->ProcessCommand(event);
855 }
856
857 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
858 {
859 Cut();
860 }
861
862 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
863 {
864 Copy();
865 }
866
867 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
868 {
869 Paste();
870 }
871
872 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
873 {
874 Undo();
875 }
876
877 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
878 {
879 Redo();
880 }
881
882 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
883 {
884 event.Enable( CanCut() );
885 }
886
887 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
888 {
889 event.Enable( CanCopy() );
890 }
891
892 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
893 {
894 event.Enable( CanPaste() );
895 }
896
897 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
898 {
899 event.Enable( CanUndo() );
900 }
901
902 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
903 {
904 event.Enable( CanRedo() );
905 }