#endif
#endif
+#include "wx/mac/uma.h"
+
#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
+ EVT_CHAR(wxTextCtrl::OnChar)
+ EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
+ EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
+ EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
+ EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
+ EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
+
+ EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
+ EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
+ EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
+ EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
+ EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
END_EVENT_TABLE()
#endif
// Text item
wxTextCtrl::wxTextCtrl()
-#ifndef NO_TEXT_WINDOW_STREAM
- :streambuf()
-#endif
{
- m_fileName = "";
}
+const short kVerticalMargin = 2 ;
+const short kHorizontalMargin = 2 ;
+
bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
- const wxString& value,
+ const wxString& st,
const wxPoint& pos,
const wxSize& size, long style,
const wxValidator& validator,
const wxString& name)
{
- m_fileName = "";
- SetName(name);
- SetValidator(validator);
- if (parent) parent->AddChild(this);
-
- m_windowStyle = style;
-
- if ( id == -1 )
- m_windowId = (int)NewControlId();
- else
- m_windowId = id;
+ // base initialization
+ if ( !CreateBase(parent, id, pos, size, style, validator, name) )
+ return FALSE;
- return TRUE;
+ wxSize mySize = size ;
+ if ( UMAHasAppearance() )
+ {
+ m_macHorizontalBorder = 5 ; // additional pixels around the real control
+ m_macVerticalBorder = 5 ;
+ }
+ else
+ {
+ m_macHorizontalBorder = 0 ; // additional pixels around the real control
+ m_macVerticalBorder = 0 ;
+ }
+
+
+ Rect bounds ;
+ Str255 title ;
+
+ if ( mySize.y == -1 )
+ {
+ if ( UMAHasAppearance() )
+ mySize.y = 13 ;
+ else
+ mySize.y = 24 ;
+
+ mySize.y += 2 * m_macVerticalBorder ;
+ }
+
+ MacPreControlCreate( parent , id , "" , pos , mySize ,style, validator , name , &bounds , title ) ;
+
+ m_macControl = UMANewControl( parent->GetMacRootWindow() , &bounds , "\p" , true , 0 , 0 , 1,
+ ( style & wxTE_PASSWORD ) ? kControlEditTextPasswordProc : kControlEditTextProc , (long) this ) ;
+ MacPostControlCreate() ;
+
+ wxString value ;
+
+ {
+ TEHandle teH ;
+ long size ;
+
+ UMAGetControlData( m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+ (*teH)->lineHeight = -1 ;
+ }
+
+ if( wxApp::s_macDefaultEncodingIsPC )
+ value = wxMacMakeMacStringFromPC( st ) ;
+ else
+ value = st ;
+ UMASetControlData( m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , value.Length() , (char*) ((const char*)value) ) ;
+
+ return TRUE;
}
wxString wxTextCtrl::GetValue() const
{
- // TODO
- return wxString("");
+ Size actualsize;
+ UMAGetControlData( m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 32767 , wxBuffer , &actualsize) ;
+ wxBuffer[actualsize] = 0 ;
+ if( wxApp::s_macDefaultEncodingIsPC )
+ return wxMacMakePCStringFromMac( wxBuffer ) ;
+ else
+ return wxString(wxBuffer);
}
-void wxTextCtrl::SetValue(const wxString& value)
+void wxTextCtrl::GetSelection(long* from, long* to) const
{
- // TODO
+ ControlEditTextSelectionRec selection ;
+ TEHandle teH ;
+ long size ;
+
+ UMAGetControlData( m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+
+ *from = (**teH).selStart;
+ *to = (**teH).selEnd;
}
-void wxTextCtrl::SetSize(int x, int y, int width, int height, int sizeFlags)
+void wxTextCtrl::SetValue(const wxString& st)
{
- // TODO
+ wxString value ;
+
+ if( wxApp::s_macDefaultEncodingIsPC )
+ value = wxMacMakeMacStringFromPC( st ) ;
+ else
+ value = st ;
+ UMASetControlData( m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , value.Length() , (char*) ((const char*)value) ) ;
+ UMADrawControl( m_macControl ) ;
}
// Clipboard operations
void wxTextCtrl::Copy()
{
- // TODO
+ if (CanCopy())
+ {
+ TEHandle teH ;
+ long size ;
+
+ UMAGetControlData( m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+ TECopy( teH ) ;
+#if TARGET_CARBON
+ OSStatus err ;
+ err = ClearCurrentScrap( );
+#else
+ OSErr err ;
+ err = ZeroScrap( );
+#endif
+ TEToScrap() ;
+ }
}
void wxTextCtrl::Cut()
{
- // TODO
+ if (CanCut())
+ {
+ TEHandle teH ;
+ long size ;
+
+ UMAGetControlData( m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+ TECut( teH ) ;
+#if TARGET_CARBON
+ OSStatus err ;
+ err = ClearCurrentScrap( );
+#else
+ OSErr err ;
+ err = ZeroScrap( );
+#endif
+ TEToScrap() ;
+ // MacInvalidateControl() ;
+ }
}
void wxTextCtrl::Paste()
{
- // TODO
+ if (CanPaste())
+ {
+ TEHandle teH ;
+ long size ;
+
+ UMAGetControlData( m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+ TEFromScrap() ;
+ TEPaste( teH ) ;
+ UMADrawControl( m_macControl ) ;
+ }
+}
+
+bool wxTextCtrl::CanCopy() const
+{
+ // Can copy if there's a selection
+ long from, to;
+ GetSelection(& from, & to);
+ return (from != to);
+}
+
+bool wxTextCtrl::CanCut() const
+{
+ // Can cut if there's a selection
+ long from, to;
+ GetSelection(& from, & to);
+ return (from != to);
+}
+
+bool wxTextCtrl::CanPaste() const
+{
+ if (!IsEditable())
+ return FALSE;
+
+ long offset ;
+#if TARGET_CARBON
+ OSStatus err = noErr;
+ ScrapRef scrapRef;
+
+ err = GetCurrentScrap( &scrapRef );
+ if ( err != noTypeErr && err != memFullErr )
+ {
+ ScrapFlavorFlags flavorFlags;
+ Size byteCount;
+
+ if (( err = GetScrapFlavorFlags( scrapRef, 'TEXT', &flavorFlags )) == noErr)
+ {
+ if (( err = GetScrapFlavorSize( scrapRef, 'TEXT', &byteCount )) == noErr)
+ {
+ return TRUE ;
+ }
+ }
+ }
+ return FALSE;
+
+#else
+ if ( GetScrap( NULL , 'TEXT' , &offset ) > 0 )
+ {
+ return TRUE ;
+ }
+#endif
+ return FALSE ;
}
void wxTextCtrl::SetEditable(bool editable)
{
- // TODO
+ if ( editable )
+ UMAActivateControl( m_macControl ) ;
+ else
+ UMADeactivateControl( m_macControl ) ;
}
void wxTextCtrl::SetInsertionPoint(long pos)
{
- // TODO
+ SetSelection( pos , pos ) ;
}
void wxTextCtrl::SetInsertionPointEnd()
long wxTextCtrl::GetInsertionPoint() const
{
- // TODO
- return 0;
+ ControlEditTextSelectionRec selection ;
+ TEHandle teH ;
+ long size ;
+
+ UMAGetControlData( m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+// UMAGetControlData( m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection , &size ) ;
+ return (**teH).selStart ;
}
long wxTextCtrl::GetLastPosition() const
{
- // TODO
- return 0;
+ ControlEditTextSelectionRec selection ;
+ TEHandle teH ;
+ long size ;
+
+ UMAGetControlData( m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+
+// UMAGetControlData( m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection , &size ) ;
+ return (**teH).teLength ;
}
void wxTextCtrl::Replace(long from, long to, const wxString& value)
{
- // TODO
+ TEHandle teH ;
+ long size ;
+
+ ControlEditTextSelectionRec selection ;
+
+ selection.selStart = from ;
+ selection.selEnd = to ;
+ UMASetControlData( m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
+ UMAGetControlData( m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+ TESetSelect( from , to , teH ) ;
+ TEDelete( teH ) ;
+ TEInsert( value , value.Length() , teH ) ;
+// MacInvalidateControl() ;
}
void wxTextCtrl::Remove(long from, long to)
{
- // TODO
+ TEHandle teH ;
+ long size ;
+
+ ControlEditTextSelectionRec selection ;
+
+ selection.selStart = from ;
+ selection.selEnd = to ;
+ UMASetControlData( m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
+ UMAGetControlData( m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+ TEDelete( teH ) ;
+// MacInvalidateControl() ;
}
void wxTextCtrl::SetSelection(long from, long to)
{
- // TODO
+ ControlEditTextSelectionRec selection ;
+ TEHandle teH ;
+ long size ;
+
+ UMAGetControlData( m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+
+ selection.selStart = from ;
+ selection.selEnd = to ;
+
+ UMASetControlData( m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
+ TESetSelect( selection.selStart , selection.selEnd , teH ) ;
}
bool wxTextCtrl::LoadFile(const wxString& file)
{
- if (!wxFileExists(file))
- return FALSE;
-
- m_fileName = file;
-
- Clear();
-
-#ifndef __WXMAC__
- ifstream input((char*) (const char*) file, ios::nocreate | ios::in);
-#else
- ifstream input((char*) (const char*) file, ios::in);
-#endif
- if (!input.bad())
+ if ( wxTextCtrlBase::LoadFile(file) )
{
- struct stat stat_buf;
- if (stat(file, &stat_buf) < 0)
- return FALSE;
- // This may need to be a bigger buffer than the file size suggests,
- // if it's a UNIX file. Give it an extra 1000 just in case.
- char *tmp_buffer = (char*)malloc((size_t)(stat_buf.st_size+1+1000));
- long no_lines = 0;
- long pos = 0;
- while (!input.eof() && input.peek() != EOF)
- {
- input.getline(wxBuffer, 500);
- int len = strlen(wxBuffer);
- wxBuffer[len] = 13;
- wxBuffer[len+1] = 10;
- wxBuffer[len+2] = 0;
- strcpy(tmp_buffer+pos, wxBuffer);
- pos += strlen(wxBuffer);
- no_lines++;
- }
-
- // TODO add line
-
- free(tmp_buffer);
-
- return TRUE;
+ return TRUE;
}
+
return FALSE;
}
-// If file is null, try saved file name first
-// Returns TRUE if succeeds.
-bool wxTextCtrl::SaveFile(const wxString& file)
+void wxTextCtrl::WriteText(const wxString& text)
{
- wxString theFile(file);
- if (theFile == "")
- theFile = m_fileName;
- if (theFile == "")
- return FALSE;
- m_fileName = theFile;
+ TEHandle teH ;
+ long size ;
+
+ memcpy( wxBuffer, text , text.Length() ) ;
+ wxBuffer[text.Length() ] = 0 ;
+// wxMacConvertNewlines( wxBuffer , wxBuffer ) ;
+
+ UMAGetControlData( m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
+
+ TEInsert( wxBuffer , strlen( wxBuffer) , teH ) ;
+ Refresh() ;
+}
- ofstream output((char*) (const char*) theFile);
- if (output.bad())
- return FALSE;
+void wxTextCtrl::AppendText(const wxString& text)
+{
+ SetInsertionPointEnd();
+ WriteText(text);
+}
- // TODO get and save text
+void wxTextCtrl::Clear()
+{
+ UMASetControlData( m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 0 , (char*) ((const char*)NULL) ) ;
+ Refresh() ;
+}
- return FALSE;
+bool wxTextCtrl::IsModified() const
+{
+ return TRUE;
}
-void wxTextCtrl::WriteText(const wxString& text)
+bool wxTextCtrl::IsEditable() const
{
- // TODO write text to control
+ return IsEnabled();
}
-void wxTextCtrl::Clear()
+bool wxTextCtrl::AcceptsFocus() const
{
- // TODO
+ // we don't want focus if we can't be edited
+ return IsEditable() && wxControl::AcceptsFocus();
}
-bool wxTextCtrl::IsModified() const
+wxSize wxTextCtrl::DoGetBestSize() const
{
- // TODO
- return FALSE;
+ int wText = 100 ;
+
+ int hText ;
+ if ( UMAHasAppearance() )
+ hText = 13 ;
+ else
+ hText = 24 ;
+ hText += 2 * m_macHorizontalBorder ;
+/*
+ int cx, cy;
+ wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
+
+ int wText = DEFAULT_ITEM_WIDTH;
+
+ int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
+
+ return wxSize(wText, hText);
+*/
+ if ( m_windowStyle & wxTE_MULTILINE )
+ {
+ hText *= wxMin(GetNumberOfLines(), 5);
+ }
+ //else: for single line control everything is ok
+ return wxSize(wText, hText);
+}
+
+// ----------------------------------------------------------------------------
+// Undo/redo
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::Undo()
+{
+ if (CanUndo())
+ {
+ }
+}
+
+void wxTextCtrl::Redo()
+{
+ if (CanRedo())
+ {
+ }
+}
+
+bool wxTextCtrl::CanUndo() const
+{
+ return FALSE ;
+}
+
+bool wxTextCtrl::CanRedo() const
+{
+ return FALSE ;
}
// Makes 'unmodified'
return 0;
}
-void wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
+bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
{
- // TODO
+ return FALSE ;
}
void wxTextCtrl::ShowPosition(long pos)
int wxTextCtrl::GetLineLength(long lineNo) const
{
- // TODO
- return 0;
+ return GetValue().Length();
}
wxString wxTextCtrl::GetLineText(long lineNo) const
{
- // TODO
- return wxString("");
+ return GetValue();
}
/*
}
}
-// The streambuf code was partly taken from chapter 3 by Jerry Schwarz of
-// AT&T's "C++ Lanuage System Release 3.0 Library Manual" - Stein Somers
-
-//=========================================================================
-// Called then the buffer is full (gcc 2.6.3)
-// or when "endl" is output (Borland 4.5)
-//=========================================================================
-// Class declaration using multiple inheritance doesn't work properly for
-// Borland. See note in wb_text.h.
-#ifndef NO_TEXT_WINDOW_STREAM
-int wxTextCtrl::overflow(int c)
-{
- // Make sure there is a holding area
- if ( allocate()==EOF )
- {
- wxError("Streambuf allocation failed","Internal error");
- return EOF;
- }
-
- // Verify that there are no characters in get area
- if ( gptr() && gptr() < egptr() )
- {
- wxError("Who's trespassing my get area?","Internal error");
- return EOF;
- }
-
- // Reset get area
- setg(0,0,0);
-
- // Make sure there is a put area
- if ( ! pptr() )
- {
-/* This doesn't seem to be fatal so comment out error message */
-// wxError("Put area not opened","Internal error");
- setp( base(), base() );
- }
-
- // Determine how many characters have been inserted but no consumed
- int plen = pptr() - pbase();
-
- // Now Jerry relies on the fact that the buffer is at least 2 chars
- // long, but the holding area "may be as small as 1" ???
- // And we need an additional \0, so let's keep this inefficient but
- // safe copy.
-
- // If c!=EOF, it is a character that must also be comsumed
- int xtra = c==EOF? 0 : 1;
-
- // Write temporary C-string to wxTextWindow
- {
- char *txt = new char[plen+xtra+1];
- memcpy(txt, pbase(), plen);
- txt[plen] = (char)c; // append c
- txt[plen+xtra] = '\0'; // append '\0' or overwrite c
- // If the put area already contained \0, output will be truncated there
- WriteText(txt);
- delete[] txt;
- }
-
- // Reset put area
- setp(pbase(), epptr());
-
-#if defined(__WATCOMC__)
- return __NOT_EOF;
-#elif defined(zapeof) // HP-UX (all cfront based?)
- return zapeof(c);
-#else
- return c!=EOF ? c : 0; // this should make everybody happy
-#endif
+void wxTextCtrl::OnChar(wxKeyEvent& event)
+{
+ switch ( event.KeyCode() )
+ {
+ case WXK_RETURN:
+ if (m_windowStyle & wxPROCESS_ENTER)
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
+ event.SetEventObject( this );
+ if ( GetEventHandler()->ProcessEvent(event) )
+ return;
+ }
+ if ( !(m_windowStyle & wxTE_MULTILINE) )
+ {
+ wxWindow *parent = GetParent();
+ wxPanel *panel = wxDynamicCast(parent, wxPanel);
+ while ( parent != NULL && panel == NULL )
+ {
+ parent = parent->GetParent() ;
+ panel = wxDynamicCast(parent, wxPanel);
+ }
+ if ( panel && panel->GetDefaultItem() )
+ {
+ wxButton *def = panel->GetDefaultItem() ;
+ wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
+ event.SetEventObject(def);
+ def->Command(event);
+ event.Skip() ;
+ return ;
+ }
+ }
+ //else: multiline controls need Enter for themselves
+
+ break;
+
+ case WXK_TAB:
+ // always produce navigation event - even if we process TAB
+ // ourselves the fact that we got here means that the user code
+ // decided to skip processing of this TAB - probably to let it
+ // do its default job.
+ {
+ wxNavigationKeyEvent eventNav;
+ eventNav.SetDirection(!event.ShiftDown());
+ eventNav.SetWindowChange(event.ControlDown());
+ eventNav.SetEventObject(this);
+
+ if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
+ return;
+ event.Skip() ;
+ return ;
+ }
+ break;
+ }
+
+ EventRecord *ev = wxTheApp->MacGetCurrentEvent() ;
+ short keycode ;
+ short keychar ;
+ keychar = short(ev->message & charCodeMask);
+ keycode = short(ev->message & keyCodeMask) >> 8 ;
+ UMAHandleControlKey( m_macControl , keycode , keychar , ev->modifiers ) ;
+ if ( keychar >= 0x20 || event.KeyCode() == WXK_RETURN)
+ {
+ wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
+ event.SetString( GetValue() ) ;
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(event);
+ }
+
}
-//=========================================================================
-// called then "endl" is output (gcc) or then explicit sync is done (Borland)
-//=========================================================================
-int wxTextCtrl::sync()
-{
- // Verify that there are no characters in get area
- if ( gptr() && gptr() < egptr() )
- {
- wxError("Who's trespassing my get area?","Internal error");
- return EOF;
- }
-
- if ( pptr() && pptr() > pbase() ) return overflow(EOF);
-
- return 0;
-/* OLD CODE
- int len = pptr() - pbase();
- char *txt = new char[len+1];
- strncpy(txt, pbase(), len);
- txt[len] = '\0';
- (*this) << txt;
- setp(pbase(), epptr());
- delete[] txt;
- return 0;
-*/
+// ----------------------------------------------------------------------------
+// standard handlers for standard edit menu events
+// ----------------------------------------------------------------------------
+
+void wxTextCtrl::OnCut(wxCommandEvent& event)
+{
+ Cut();
}
-//=========================================================================
-// Should not be called by a "ostream". Used by a "istream"
-//=========================================================================
-int wxTextCtrl::underflow()
+void wxTextCtrl::OnCopy(wxCommandEvent& event)
{
- return EOF;
+ Copy();
}
-#endif
-wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
+void wxTextCtrl::OnPaste(wxCommandEvent& event)
{
- WriteText(s);
- return *this;
+ Paste();
}
-wxTextCtrl& wxTextCtrl::operator<<(float f)
+void wxTextCtrl::OnUndo(wxCommandEvent& event)
{
- wxString str;
- str.Printf("%.2f", f);
- WriteText(str);
- return *this;
+ Undo();
}
-wxTextCtrl& wxTextCtrl::operator<<(double d)
+void wxTextCtrl::OnRedo(wxCommandEvent& event)
{
- wxString str;
- str.Printf("%.2f", d);
- WriteText(str);
- return *this;
+ Redo();
}
-wxTextCtrl& wxTextCtrl::operator<<(int i)
+void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
{
- wxString str;
- str.Printf("%d", i);
- WriteText(str);
- return *this;
+ event.Enable( CanCut() );
}
-wxTextCtrl& wxTextCtrl::operator<<(long i)
+void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
{
- wxString str;
- str.Printf("%ld", i);
- WriteText(str);
- return *this;
+ event.Enable( CanCopy() );
}
-wxTextCtrl& wxTextCtrl::operator<<(const char c)
+void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
{
- char buf[2];
+ event.Enable( CanPaste() );
+}
- buf[0] = c;
- buf[1] = 0;
- WriteText(buf);
- return *this;
+void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+ event.Enable( CanUndo() );
+}
+
+void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
+{
+ event.Enable( CanRedo() );
}