X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/341c92a8b4c813cbfb606687937dcdf5d8c3c2fe..34636400a0018eba4a1f63dda18cf32e944b959e:/src/msw/textctrl.cpp

diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp
index f57a98eb87..e2d8369a04 100644
--- a/src/msw/textctrl.cpp
+++ b/src/msw/textctrl.cpp
@@ -68,13 +68,26 @@
 #endif
 
 #if !USE_SHARED_LIBRARY
+
 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 
 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
   EVT_CHAR(wxTextCtrl::OnChar)
   EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
-  EVT_ERASE_BACKGROUND(wxTextCtrl::OnEraseBackground)
+
+  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 // USE_SHARED_LIBRARY
 
 // Text item
@@ -95,7 +108,6 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
                         const wxValidator& validator,
                         const wxString& name)
 {
-  m_fileName = "";
   SetName(name);
   SetValidator(validator);
   if (parent) parent->AddChild(this);
@@ -223,7 +235,7 @@ void wxTextCtrl::AdoptAttributesFromHWND()
 {
   wxWindow::AdoptAttributesFromHWND();
 
-  HWND hWnd = (HWND) GetHWND();
+  HWND hWnd = GetHwnd();
   long style = GetWindowLong((HWND) hWnd, GWL_STYLE);
 
   // retrieve the style to see whether this is an edit or richedit ctrl
@@ -271,12 +283,7 @@ void wxTextCtrl::SetupColours()
 
 wxString wxTextCtrl::GetValue() const
 {
-    int length = GetWindowTextLength((HWND) GetHWND());
-    char *s = new char[length+1];
-    GetWindowText((HWND) GetHWND(), s, length+1);
-    wxString str(s);
-    delete[] s;
-  return str;
+    return wxGetWindowText(GetHWND());
 }
 
 void wxTextCtrl::SetValue(const wxString& value)
@@ -305,14 +312,16 @@ void wxTextCtrl::SetValue(const wxString& value)
       j ++;
     }
     tmp[j] = 0;
-    SetWindowText((HWND) GetHWND(), tmp);
+    SetWindowText(GetHwnd(), tmp);
     delete[] tmp;
   }
   else
-    SetWindowText((HWND) GetHWND(), (const char *)value);
+    SetWindowText(GetHwnd(), (const char *)value);
+
+  AdjustSpaceLimit();
 }
 
-void wxTextCtrl::SetSize(int x, int y, int width, int height, int sizeFlags)
+void wxTextCtrl::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 {
   int currentX, currentY;
   GetPosition(&currentX, &currentY);
@@ -357,38 +366,47 @@ void wxTextCtrl::SetSize(int x, int y, int width, int height, int sizeFlags)
   if (control_width <= 0)
     control_width = DEFAULT_ITEM_WIDTH;
 
-  MoveWindow((HWND) GetHWND(), (int)control_x, (int)control_y,
+  MoveWindow(GetHwnd(), (int)control_x, (int)control_y,
                               (int)control_width, (int)control_height, TRUE);
 }
 
 // Clipboard operations
 void wxTextCtrl::Copy()
 {
-  HWND hWnd = (HWND) GetHWND();
-  SendMessage(hWnd, WM_COPY, 0, 0L);
+    if (CanCopy())
+    {
+        HWND hWnd = GetHwnd();
+        SendMessage(hWnd, WM_COPY, 0, 0L);
+    }
 }
 
 void wxTextCtrl::Cut()
 {
-  HWND hWnd = (HWND) GetHWND();
-  SendMessage(hWnd, WM_CUT, 0, 0L);
+    if (CanCut())
+    {
+        HWND hWnd = GetHwnd();
+        SendMessage(hWnd, WM_CUT, 0, 0L);
+    }
 }
 
 void wxTextCtrl::Paste()
 {
-  HWND hWnd = (HWND) GetHWND();
-  SendMessage(hWnd, WM_PASTE, 0, 0L);
+    if (CanPaste())
+    {
+        HWND hWnd = GetHwnd();
+        SendMessage(hWnd, WM_PASTE, 0, 0L);
+    }
 }
 
 void wxTextCtrl::SetEditable(bool editable)
 {
-  HWND hWnd = (HWND) GetHWND();
+  HWND hWnd = GetHwnd();
   SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
 }
 
 void wxTextCtrl::SetInsertionPoint(long pos)
 {
-  HWND hWnd = (HWND) GetHWND();
+  HWND hWnd = GetHwnd();
 #ifdef __WIN32__
 #if wxUSE_RICHEDIT
   if ( m_isRich)
@@ -426,25 +444,25 @@ long wxTextCtrl::GetInsertionPoint() const
     CHARRANGE range;
     range.cpMin = 0;
     range.cpMax = 0;
-    SendMessage((HWND) GetHWND(), EM_EXGETSEL, 0, (LPARAM) &range);
+    SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range);
     return range.cpMin;
   }
 #endif
 
-  DWORD Pos=(DWORD)SendMessage((HWND) GetHWND(), EM_GETSEL, 0, 0L);
+  DWORD Pos=(DWORD)SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
   return Pos&0xFFFF;
 }
 
 long wxTextCtrl::GetLastPosition() const
 {
-    HWND hWnd = (HWND) GetHWND();
+    HWND hWnd = GetHwnd();
 
     // Will always return a number > 0 (according to docs)
     int noLines = (int)SendMessage(hWnd, EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0L);
 
     // This gets the char index for the _beginning_ of the last line
     int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)(noLines-1), (LPARAM)0L);
-    
+
     // Get number of characters in the last line. We'll add this to the character
     // index for the last line, 1st position.
     int lineLength = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0L);
@@ -455,10 +473,10 @@ long wxTextCtrl::GetLastPosition() const
 void wxTextCtrl::Replace(long from, long to, const wxString& value)
 {
 #if wxUSE_CLIPBOARD
-    HWND hWnd = (HWND) GetHWND();
+    HWND hWnd = GetHwnd();
     long fromChar = from;
     long toChar = to;
-    
+
     // Set selection and remove it
 #ifdef __WIN32__
     SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
@@ -479,10 +497,10 @@ void wxTextCtrl::Replace(long from, long to, const wxString& value)
 
 void wxTextCtrl::Remove(long from, long to)
 {
-    HWND hWnd = (HWND) GetHWND();
+    HWND hWnd = GetHwnd();
     long fromChar = from;
     long toChar = to;
-    
+
     // Cut all selected text
 #ifdef __WIN32__
     SendMessage(hWnd, EM_SETSEL, fromChar, toChar);
@@ -494,7 +512,7 @@ void wxTextCtrl::Remove(long from, long to)
 
 void wxTextCtrl::SetSelection(long from, long to)
 {
-    HWND hWnd = (HWND) GetHWND();
+    HWND hWnd = GetHwnd();
     long fromChar = from;
     long toChar = to;
     // if from and to are both -1, it means
@@ -505,7 +523,7 @@ void wxTextCtrl::SetSelection(long from, long to)
       fromChar = 0;
       toChar = -1;
     }
-    
+
 #ifdef __WIN32__
     SendMessage(hWnd, EM_SETSEL, (WPARAM)fromChar, (LPARAM)toChar);
     SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
@@ -563,11 +581,13 @@ bool wxTextCtrl::LoadFile(const wxString& file)
   no_lines++;
       }
 
-//      SendMessage((HWND) GetHWND(), WM_SETTEXT, 0, (LPARAM)tmp_buffer);
-      SetWindowText((HWND) GetHWND(), tmp_buffer);
-      SendMessage((HWND) GetHWND(), EM_SETMODIFY, FALSE, 0L);
+      SetWindowText(GetHwnd(), tmp_buffer);
+      SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
       farfree(tmp_buffer);
 
+      // update the size limit if needed
+      AdjustSpaceLimit();
+
       return TRUE;
   }
   return FALSE;
@@ -592,9 +612,9 @@ bool wxTextCtrl::SaveFile(const wxString& file)
         return FALSE;
 
     // This will only save 64K max
-    unsigned long nbytes = SendMessage((HWND) GetHWND(), WM_GETTEXTLENGTH, 0, 0);
+    unsigned long nbytes = SendMessage(GetHwnd(), WM_GETTEXTLENGTH, 0, 0);
     char *tmp_buffer = (char*)farmalloc((size_t)(nbytes+1));
-    SendMessage((HWND) GetHWND(), WM_GETTEXT, (WPARAM)(nbytes+1), (LPARAM)tmp_buffer);
+    SendMessage(GetHwnd(), WM_GETTEXT, (WPARAM)(nbytes+1), (LPARAM)tmp_buffer);
     char *pstr = tmp_buffer;
 
     // Convert \r\n to just \n
@@ -606,7 +626,7 @@ bool wxTextCtrl::SaveFile(const wxString& file)
     }
 
     farfree(tmp_buffer);
-    SendMessage((HWND) GetHWND(), EM_SETMODIFY, FALSE, 0L);
+    SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
 
     return TRUE;
 }
@@ -630,8 +650,10 @@ void wxTextCtrl::WriteText(const wxString& text)
       j ++;
     }
     newtext[j] = 0;
-    SendMessage((HWND) GetHWND(), EM_REPLACESEL, 0, (LPARAM)newtext);
+    SendMessage(GetHwnd(), EM_REPLACESEL, 0, (LPARAM)newtext);
     delete[] newtext;
+
+    AdjustSpaceLimit();
 }
 
 void wxTextCtrl::AppendText(const wxString& text)
@@ -642,33 +664,33 @@ void wxTextCtrl::AppendText(const wxString& text)
 
 void wxTextCtrl::Clear()
 {
-    SetWindowText((HWND) GetHWND(), "");
+    SetWindowText(GetHwnd(), "");
 }
 
 bool wxTextCtrl::IsModified() const
 {
-    return (SendMessage((HWND) GetHWND(), EM_GETMODIFY, 0, 0) != 0);
+    return (SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0);
 }
 
 // Makes 'unmodified'
 void wxTextCtrl::DiscardEdits()
 {
-  SendMessage((HWND) GetHWND(), EM_SETMODIFY, FALSE, 0L);
+  SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
 }
 
 /*
  * Some of the following functions are yet to be implemented
  *
  */
- 
+
 int wxTextCtrl::GetNumberOfLines() const
 {
-    return (int)SendMessage((HWND) GetHWND(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
+    return (int)SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
 }
 
 long wxTextCtrl::XYToPosition(long x, long y) const
 {
-    HWND hWnd = (HWND) GetHWND();
+    HWND hWnd = GetHwnd();
 
     // This gets the char index for the _beginning_ of this line
     int charIndex = (int)SendMessage(hWnd, EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
@@ -677,7 +699,7 @@ long wxTextCtrl::XYToPosition(long x, long y) const
 
 void wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 {
-    HWND hWnd = (HWND) GetHWND();
+    HWND hWnd = GetHwnd();
 
     // This gets the line number containing the character
     int lineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0);
@@ -690,7 +712,7 @@ void wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 
 void wxTextCtrl::ShowPosition(long pos)
 {
-    HWND hWnd = (HWND) GetHWND();
+    HWND hWnd = GetHwnd();
 
     // To scroll to a position, we pass the number of lines and characters
     // to scroll *by*. This means that we need to:
@@ -706,34 +728,129 @@ void wxTextCtrl::ShowPosition(long pos)
     int currentLineLineNo = (int)SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L);
 
     int specifiedLineLineNo = (int)SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L);
-    
+
     int linesToScroll = specifiedLineLineNo - currentLineLineNo;
 
     if (linesToScroll != 0)
-      (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)MAKELPARAM(linesToScroll, 0));
+      (void)SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
 }
 
 int wxTextCtrl::GetLineLength(long lineNo) const
 {
     long charIndex = XYToPosition(0, lineNo);
-    HWND hWnd = (HWND) GetHWND();
+    HWND hWnd = GetHwnd();
     int len = (int)SendMessage(hWnd, EM_LINELENGTH, (WPARAM)charIndex, (LPARAM)0);
     return len;
 }
 
 wxString wxTextCtrl::GetLineText(long lineNo) const
 {
-    HWND hWnd = (HWND) GetHWND();
+    HWND hWnd = GetHwnd();
     *(WORD *)wxBuffer = 512;
     int noChars = (int)SendMessage(hWnd, EM_GETLINE, (WPARAM)lineNo, (LPARAM)wxBuffer);
     wxBuffer[noChars] = 0;
   return wxString(wxBuffer);
 }
 
-/*
- * Text item
- */
- 
+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 wxUSE_RICHEDIT
+    if (m_isRich)
+    {
+        int dataFormat = 0; // 0 == any format
+        return (::SendMessage( GetHwnd(), EM_CANPASTE, (WPARAM) (UINT) dataFormat, 0) != 0);
+    }
+#endif
+    if (!IsEditable())
+        return FALSE;
+
+    // Standard edit control: check for straight text on clipboard
+    bool isTextAvailable = FALSE;
+    if (::OpenClipboard((HWND) wxTheApp->GetTopWindow()->GetHWND()))
+    {
+        isTextAvailable = (::IsClipboardFormatAvailable(CF_TEXT) != 0);
+        ::CloseClipboard();
+    }
+    return isTextAvailable;
+}
+
+// Undo/redo
+void wxTextCtrl::Undo()
+{
+    if (CanUndo())
+    {
+        ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+    }
+}
+
+void wxTextCtrl::Redo()
+{
+    if (CanRedo())
+    {
+        // Same as Undo, since Undo undoes the undo, i.e. a redo.
+        ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
+    }
+}
+
+bool wxTextCtrl::CanUndo() const
+{
+    return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
+}
+
+bool wxTextCtrl::CanRedo() const
+{
+    return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
+}
+
+// If the return values from and to are the same, there is no
+// selection.
+void wxTextCtrl::GetSelection(long* from, long* to) const
+{
+#if wxUSE_RICHEDIT
+    if (m_isRich)
+    {
+        CHARRANGE charRange;
+        ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) (CHARRANGE*) & charRange);
+
+        *from = charRange.cpMin;
+        *to = charRange.cpMax;
+
+        return;
+    }
+#endif
+    DWORD dwStart, dwEnd;
+    WPARAM wParam = (WPARAM) (DWORD*) & dwStart; // receives starting position
+    LPARAM lParam = (LPARAM) (DWORD*) & dwEnd;   // receives ending position
+
+    ::SendMessage(GetHwnd(), EM_GETSEL, wParam, lParam);
+
+    *from = dwStart;
+    *to = dwEnd;
+}
+
+bool wxTextCtrl::IsEditable() const
+{
+    long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
+
+    return ((style & ES_READONLY) == 0);
+}
+
 void wxTextCtrl::Command(wxCommandEvent & event)
 {
   SetValue (event.GetString());
@@ -753,7 +870,7 @@ void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 // AT&T's "C++ Lanuage System Release 3.0 Library Manual" - Stein Somers
 
 //=========================================================================
-// Called then the buffer is full (gcc 2.6.3) 
+// 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
@@ -771,7 +888,7 @@ int wxTextCtrl::overflow(int c)
     return EOF;
   }
 #endif
-  
+
   // Verify that there are no characters in get area
   if ( gptr() && gptr() < egptr() )
   {
@@ -954,26 +1071,10 @@ WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 
 void wxTextCtrl::OnChar(wxKeyEvent& event)
 {
-    switch( event.KeyCode() )
+    switch ( event.KeyCode() )
     {
-        // Fix by Marcel Rasche to allow Alt-Ctrl insertion of special characters
-        case '{':
-        case '}':
-        case '[':
-        case ']':
-        case '|':
-        case '~':
-        case '\\':
-            {
-                char c = (char)event.KeyCode();
-                *this << c;
-            }
-            break;
-
         case WXK_RETURN:
-            wxASSERT_MSG( m_windowStyle & wxTE_PROCESS_ENTER,
-                          "this text ctrl should never receive return" );
-            if ( m_windowStyle & wxTE_MULTILINE == 0 )
+            if ( !(m_windowStyle & wxTE_MULTILINE) )
             {
                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
                 event.SetEventObject( this );
@@ -997,17 +1098,22 @@ void wxTextCtrl::OnChar(wxKeyEvent& event)
                 eventNav.SetDirection(!event.ShiftDown());
                 eventNav.SetWindowChange(FALSE);
                 eventNav.SetEventObject(this);
-    
+
                 if ( GetEventHandler()->ProcessEvent(eventNav) )
                     return;
             }
             break;
+
+        default:
+            event.Skip();
+            return;
     }
-    
+
     // don't just call event.Skip() because this will cause TABs and ENTERs
     // be passed upwards and we don't always want this - instead process it
     // right here
-    //Default();
+
+    // FIXME
     event.Skip();
 }
 
@@ -1027,110 +1133,73 @@ long wxTextCtrl::MSWGetDlgCode()
         lRc |= DLGC_WANTMESSAGE;
     if ( m_windowStyle & wxTE_PROCESS_TAB )
         lRc |= DLGC_WANTTAB;
-    
+
     return lRc;
 }
 
-void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
+bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 {
-    if ( m_windowStyle & wxTE_MULTILINE )
+    switch (param)
     {
-        // No flicker - only problem is we probably can't change the background
-        Default();
-/*
-        RECT rect;
-        ::GetClientRect((HWND) GetHWND(), &rect);
+        case EN_SETFOCUS:
+        case EN_KILLFOCUS:
+            {
+                wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
+                        : wxEVT_SET_FOCUS,
+                        m_windowId);
+                event.SetEventObject( this );
+                GetEventHandler()->ProcessEvent(event);
+            }
+            break;
 
-        HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
-        int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT);
+        case EN_CHANGE:
+            {
+                wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
+                wxString val(GetValue());
+                if ( !val.IsNull() )
+                    event.m_commandString = WXSTRINGCAST val;
+                event.SetEventObject( this );
+                ProcessCommand(event);
+            }
+            break;
 
-        ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush);
-        ::DeleteObject(hBrush);
-        ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode);
-*/
+        case EN_ERRSPACE:
+            // the text size limit has been hit - increase it
+            AdjustSpaceLimit();
+            break;
+
+            // the other notification messages are not processed
+        case EN_UPDATE:
+        case EN_MAXTEXT:
+        case EN_HSCROLL:
+        case EN_VSCROLL:
+        default:
+            return FALSE;
     }
-//        wxWindow::OnEraseBackground(event);
+
+    // processed
+    return TRUE;
 }
 
-bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
+void wxTextCtrl::AdjustSpaceLimit()
 {
-/*
-  // Debugging
-  wxDebugMsg("Edit control %d: ", (int)id);
-  switch (param)
-  {
-    case EN_SETFOCUS:
-      wxDebugMsg("EN_SETFOCUS\n");
-      break;
-    case EN_KILLFOCUS:
-      wxDebugMsg("EN_KILLFOCUS\n");
-      break;
-    case EN_CHANGE:
-      wxDebugMsg("EN_CHANGE\n");
-      break;
-    case EN_UPDATE:
-      wxDebugMsg("EN_UPDATE\n");
-      break;
-    case EN_ERRSPACE:
-      wxDebugMsg("EN_ERRSPACE\n");
-      break;
-    case EN_MAXTEXT:
-      wxDebugMsg("EN_MAXTEXT\n");
-      break;
-    case EN_HSCROLL:
-      wxDebugMsg("EN_HSCROLL\n");
-      break;
-    case EN_VSCROLL:
-      wxDebugMsg("EN_VSCROLL\n");
-      break;
-    default:
-      wxDebugMsg("Unknown EDIT notification\n");
-      break;
-  }
-*/
-  switch (param)
-  {
-    case EN_SETFOCUS:
-    case EN_KILLFOCUS:
-      {
-        wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
-                                                 : wxEVT_SET_FOCUS,
-                           m_windowId);
-        event.SetEventObject( this );
-        GetEventHandler()->ProcessEvent(event);
-      }
-      break;
-
-    case EN_CHANGE:
-      {
-        wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
-        wxString val(GetValue());
-        if ( !val.IsNull() )
-          event.m_commandString = WXSTRINGCAST val;
-        event.SetEventObject( this );
-        ProcessCommand(event);
-      }
-      break;
-
-    // the other notification messages are not processed
-    case EN_UPDATE:
-    case EN_ERRSPACE:
-    case EN_MAXTEXT:
-    case EN_HSCROLL:
-    case EN_VSCROLL:
-    default:
-      return FALSE;
-  }
+    unsigned int len = ::GetWindowTextLength(GetHwnd()),
+    limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
+    if ( len > limit )
+    {
+        limit = len + 0x8000;    // 32Kb
 
-  // processed
-  return TRUE;
+        if ( m_isRich || limit > 0xffff )
+            ::SendMessage(GetHwnd(), EM_LIMITTEXT, 0, limit);
+        else
+            ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0);
+    }
 }
 
-
 // For Rich Edit controls. Do we need it?
 #if 0
 #if wxUSE_RICHEDIT
-bool wxTextCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam)
+bool wxTextCtrl::MSWOnNotify(WXWPARAM wParam, WXLPARAM lParam)
 {
   wxCommandEvent event(0, m_windowId);
   int eventType = 0;
@@ -1139,7 +1208,7 @@ bool wxTextCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam)
   {
     // Insert case code here
     default :
-      return wxControl::MSWNotify(wParam, lParam);
+      return wxControl::MSWOnNotify(wParam, lParam);
       break;
   }
 
@@ -1154,3 +1223,53 @@ bool wxTextCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam)
 #endif
 #endif
 
+void wxTextCtrl::OnCut(wxCommandEvent& event)
+{
+    Cut();
+}
+
+void wxTextCtrl::OnCopy(wxCommandEvent& event)
+{
+    Copy();
+}
+
+void wxTextCtrl::OnPaste(wxCommandEvent& event)
+{
+    Paste();
+}
+
+void wxTextCtrl::OnUndo(wxCommandEvent& event)
+{
+    Undo();
+}
+
+void wxTextCtrl::OnRedo(wxCommandEvent& event)
+{
+    Redo();
+}
+
+void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
+{
+    event.Enable( CanCut() );
+}
+
+void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
+{
+    event.Enable( CanCopy() );
+}
+
+void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
+{
+    event.Enable( CanPaste() );
+}
+
+void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
+{
+    event.Enable( CanUndo() );
+}
+
+void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
+{
+    event.Enable( CanRedo() );
+}
+