X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a23fd0e1d1329a4a258b4defb3e0b0001b700c6e..7d4194184e83bbccf1a88325cca59d8d0d2faef1:/src/msw/textctrl.cpp

diff --git a/src/msw/textctrl.cpp b/src/msw/textctrl.cpp
index 8a4f405bd4..65b1f25222 100644
--- a/src/msw/textctrl.cpp
+++ b/src/msw/textctrl.cpp
@@ -74,7 +74,6 @@ 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)
@@ -136,7 +135,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
   if (m_windowStyle & wxTE_MULTILINE)
   {
     wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
-                  "wxTE_PROCESS_ENTER style is ignored for multiline controls" );
+                  _T("wxTE_PROCESS_ENTER style is ignored for multiline controls") );
 
     msStyle |= ES_MULTILINE | ES_WANTRETURN | WS_VSCROLL ; // WS_BORDER
     m_windowStyle |= wxTE_PROCESS_ENTER;
@@ -152,14 +151,14 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
   if (m_windowStyle & wxTE_PASSWORD) // hidden input
     msStyle |= ES_PASSWORD;
 
-  const char *windowClass = "EDIT";
+  const wxChar *windowClass = _T("EDIT");
 
 #if wxUSE_RICHEDIT
   if ( m_windowStyle & wxTE_MULTILINE )
   {
     msStyle |= ES_AUTOVSCROLL;
     m_isRich = TRUE;
-    windowClass = "RichEdit" ;
+    windowClass = _T("RichEdit") ;
   }
   else
     m_isRich = FALSE;
@@ -173,7 +172,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
 #if wxUSE_RICHEDIT
   if (m_windowStyle & wxSIMPLE_BORDER)
   {
-    windowClass = "EDIT";
+    windowClass = _T("EDIT");
     m_isRich = FALSE;
   }
 #endif
@@ -188,7 +187,7 @@ bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
                         0, 0, 0, 0, (HWND) ((wxWindow*)parent)->GetHWND(), (HMENU)m_windowId,
                         wxGetInstance(), NULL);
 
-  wxCHECK_MSG( m_hWnd, FALSE, "Failed to create text ctrl" );
+  wxCHECK_MSG( m_hWnd, FALSE, _T("Failed to create text ctrl") );
 
 #if wxUSE_CTL3D
   if ( want3D )
@@ -236,12 +235,12 @@ 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
 #if wxUSE_RICHEDIT
-  char buf[256];
+  wxChar buf[256];
 
 #ifndef __WIN32__
   GetClassName((HWND) hWnd, buf, 256);
@@ -260,7 +259,7 @@ void wxTextCtrl::AdoptAttributesFromHWND()
   wxString str(buf);
   str.UpperCase();
 
-  if (str == "EDIT")
+  if (str == _T("EDIT"))
     m_isRich = FALSE;
   else
     m_isRich = TRUE;
@@ -284,12 +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)
@@ -305,7 +299,7 @@ void wxTextCtrl::SetValue(const wxString& value)
   }
   if (singletons > 0)
   {
-    char *tmp = new char[len + singletons + 1];
+    wxChar *tmp = new wxChar[len + singletons + 1];
     int j = 0;
     for (i = 0; i < len; i ++)
     {
@@ -318,11 +312,13 @@ 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 wxChar *)value);
+
+  AdjustSpaceLimit();
 }
 
 void wxTextCtrl::DoSetSize(int x, int y, int width, int height, int sizeFlags)
@@ -370,7 +366,7 @@ void wxTextCtrl::DoSetSize(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);
 }
 
@@ -379,7 +375,7 @@ void wxTextCtrl::Copy()
 {
     if (CanCopy())
     {
-        HWND hWnd = (HWND) GetHWND();
+        HWND hWnd = GetHwnd();
         SendMessage(hWnd, WM_COPY, 0, 0L);
     }
 }
@@ -388,7 +384,7 @@ void wxTextCtrl::Cut()
 {
     if (CanCut())
     {
-        HWND hWnd = (HWND) GetHWND();
+        HWND hWnd = GetHwnd();
         SendMessage(hWnd, WM_CUT, 0, 0L);
     }
 }
@@ -397,20 +393,20 @@ void wxTextCtrl::Paste()
 {
     if (CanPaste())
     {
-        HWND hWnd = (HWND) GetHWND();
+        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)
@@ -448,18 +444,18 @@ 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);
@@ -477,7 +473,7 @@ 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;
 
@@ -490,7 +486,7 @@ void wxTextCtrl::Replace(long from, long to, const wxString& value)
     SendMessage(hWnd, WM_CUT, (WPARAM)0, (LPARAM)0);
 
     // Now replace with 'value', by pasting.
-    wxSetClipboardData(wxDF_TEXT, (wxObject *) (const char *)value, 0, 0);
+    wxSetClipboardData(wxDF_TEXT, (wxObject *) (const wxChar *)value, 0, 0);
 
     // Paste into edit control
     SendMessage(hWnd, WM_PASTE, (WPARAM)0, (LPARAM)0L);
@@ -501,7 +497,7 @@ 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;
 
@@ -516,7 +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
@@ -547,7 +543,7 @@ bool wxTextCtrl::LoadFile(const wxString& file)
   Clear();
 
 //  ifstream input(WXSTRINGCAST file, ios::nocreate | ios::in);
-  ifstream input(WXSTRINGCAST file, ios::in);
+  ifstream input(MBSTRINGCAST file.mb_str(wxConvFile), ios::in);
 
   if (!input.bad())
   {
@@ -559,37 +555,45 @@ bool wxTextCtrl::LoadFile(const wxString& file)
 
 #ifdef __SALFORDC__
       struct _stat stat_buf;
-      if (stat((char*) (const char*) file, &stat_buf) < 0)
+      if (stat(MBSTRINGCAST file.mb_str(wxConvFile), &stat_buf) < 0)
         return FALSE;
 #else
       struct stat stat_buf;
-      if (stat(file, &stat_buf) < 0)
+      if (stat(file.mb_str(wxConvFile), &stat_buf) < 0)
         return FALSE;
 #endif
 
-//      char *tmp_buffer = (char*)farmalloc(stat_buf.st_size+1);
+//      wxChar *tmp_buffer = (wxChar*)farmalloc(stat_buf.st_size+1);
       // 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*)farmalloc((size_t)(stat_buf.st_size+1+1000));
+      wxChar *tmp_buffer = (wxChar*)farmalloc((size_t)(stat_buf.st_size+1+1000));
+      char *read_buffer = new char[512];
       long no_lines = 0;
       long pos = 0;
       while (!input.eof() && input.peek() != EOF)
       {
-        input.getline(wxBuffer, 500);
-  int len = strlen(wxBuffer);
+        input.getline(read_buffer, 500);
+  int len = strlen(read_buffer);
   wxBuffer[len] = 13;
   wxBuffer[len+1] = 10;
   wxBuffer[len+2] = 0;
-  strcpy(tmp_buffer+pos, wxBuffer);
-  pos += strlen(wxBuffer);
+#if wxUSE_UNICODE
+  pos += wxConvCurrent->MB2WC(tmp_buffer+pos, read_buffer, (size_t)-1);
+#else
+  strcpy(tmp_buffer+pos, read_buffer);
+  pos += strlen(read_buffer);
+#endif
   no_lines++;
       }
+      delete[] read_buffer;
 
-//      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;
@@ -601,22 +605,22 @@ bool wxTextCtrl::SaveFile(const wxString& file)
 {
     wxString theFile(file);
 
-    if (theFile == "")
+    if (theFile == _T(""))
         theFile = m_fileName;
 
-    if (theFile == "")
+    if (theFile == _T(""))
         return FALSE;
 
     m_fileName = theFile;
 
-    ofstream output((char*) (const char*) theFile);
+    ofstream output(MBSTRINGCAST theFile.mb_str(wxConvFile));
     if (output.bad())
         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
@@ -628,7 +632,7 @@ bool wxTextCtrl::SaveFile(const wxString& file)
     }
 
     farfree(tmp_buffer);
-    SendMessage((HWND) GetHWND(), EM_SETMODIFY, FALSE, 0L);
+    SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
 
     return TRUE;
 }
@@ -652,8 +656,10 @@ 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)
@@ -664,18 +670,18 @@ void wxTextCtrl::AppendText(const wxString& text)
 
 void wxTextCtrl::Clear()
 {
-    SetWindowText((HWND) GetHWND(), "");
+    SetWindowText(GetHwnd(), _T(""));
 }
 
 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);
 }
 
 /*
@@ -685,12 +691,12 @@ void wxTextCtrl::DiscardEdits()
 
 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);
@@ -699,7 +705,7 @@ 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);
@@ -712,7 +718,7 @@ 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:
@@ -738,14 +744,14 @@ void wxTextCtrl::ShowPosition(long pos)
 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;
@@ -774,7 +780,7 @@ bool wxTextCtrl::CanPaste() const
     if (m_isRich)
     {
         int dataFormat = 0; // 0 == any format
-        return (::SendMessage( (HWND) GetHWND(), EM_CANPASTE, (WPARAM) (UINT) dataFormat, 0) != 0);
+        return (::SendMessage( GetHwnd(), EM_CANPASTE, (WPARAM) (UINT) dataFormat, 0) != 0);
     }
 #endif
     if (!IsEditable())
@@ -795,7 +801,7 @@ void wxTextCtrl::Undo()
 {
     if (CanUndo())
     {
-        ::SendMessage((HWND) GetHWND(), EM_UNDO, 0, 0);
+        ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
     }
 }
 
@@ -804,18 +810,18 @@ void wxTextCtrl::Redo()
     if (CanRedo())
     {
         // Same as Undo, since Undo undoes the undo, i.e. a redo.
-        ::SendMessage((HWND) GetHWND(), EM_UNDO, 0, 0);
+        ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
     }
 }
 
 bool wxTextCtrl::CanUndo() const
 {
-    return (::SendMessage((HWND) GetHWND(), EM_CANUNDO, 0, 0) != 0);
+    return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
 }
 
 bool wxTextCtrl::CanRedo() const
 {
-    return (::SendMessage((HWND) GetHWND(), EM_CANUNDO, 0, 0) != 0);
+    return (::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0);
 }
 
 // If the return values from and to are the same, there is no
@@ -826,7 +832,7 @@ void wxTextCtrl::GetSelection(long* from, long* to) const
     if (m_isRich)
     {
         CHARRANGE charRange;
-        ::SendMessage((HWND) GetHWND(), EM_EXGETSEL, 0, (LPARAM) (CHARRANGE*) & charRange);
+        ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) (CHARRANGE*) & charRange);
 
         *from = charRange.cpMin;
         *to = charRange.cpMax;
@@ -838,7 +844,7 @@ void wxTextCtrl::GetSelection(long* from, long* to) const
     WPARAM wParam = (WPARAM) (DWORD*) & dwStart; // receives starting position
     LPARAM lParam = (LPARAM) (DWORD*) & dwEnd;   // receives ending position
 
-    ::SendMessage((HWND) GetHWND(), EM_GETSEL, wParam, lParam);
+    ::SendMessage(GetHwnd(), EM_GETSEL, wParam, lParam);
 
     *from = dwStart;
     *to = dwEnd;
@@ -846,7 +852,8 @@ void wxTextCtrl::GetSelection(long* from, long* to) const
 
 bool wxTextCtrl::IsEditable() const
 {
-    long style = ::GetWindowLong((HWND) GetHWND(), GWL_STYLE);
+    long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
+
     return ((style & ES_READONLY) == 0);
 }
 
@@ -1001,7 +1008,7 @@ wxTextCtrl& wxTextCtrl::operator<<(const wxString& s)
 wxTextCtrl& wxTextCtrl::operator<<(float f)
 {
     wxString str;
-    str.Printf("%.2f", f);
+    str.Printf(_T("%.2f"), f);
     AppendText(str);
     return *this;
 }
@@ -1009,7 +1016,7 @@ wxTextCtrl& wxTextCtrl::operator<<(float f)
 wxTextCtrl& wxTextCtrl::operator<<(double d)
 {
     wxString str;
-    str.Printf("%.2f", d);
+    str.Printf(_T("%.2f"), d);
     AppendText(str);
     return *this;
 }
@@ -1017,7 +1024,7 @@ wxTextCtrl& wxTextCtrl::operator<<(double d)
 wxTextCtrl& wxTextCtrl::operator<<(int i)
 {
     wxString str;
-    str.Printf("%d", i);
+    str.Printf(_T("%d"), i);
     AppendText(str);
     return *this;
 }
@@ -1025,7 +1032,7 @@ wxTextCtrl& wxTextCtrl::operator<<(int i)
 wxTextCtrl& wxTextCtrl::operator<<(long i)
 {
     wxString str;
-    str.Printf("%ld", i);
+    str.Printf(_T("%ld"), i);
     AppendText(str);
     return *this;
 }
@@ -1070,7 +1077,7 @@ WXHBRUSH wxTextCtrl::OnCtlColor(WXHDC pDC, WXHWND pWnd, WXUINT nCtlColor,
 
 void wxTextCtrl::OnChar(wxKeyEvent& event)
 {
-    switch( event.KeyCode() )
+    switch ( event.KeyCode() )
     {
         case WXK_RETURN:
             if ( !(m_windowStyle & wxTE_MULTILINE) )
@@ -1111,8 +1118,9 @@ void wxTextCtrl::OnChar(wxKeyEvent& event)
     // 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();
-//    event.Skip();
+
+    // FIXME
+    event.Skip();
 }
 
 long wxTextCtrl::MSWGetDlgCode()
@@ -1135,102 +1143,71 @@ long wxTextCtrl::MSWGetDlgCode()
     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;
+
+        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;
 
-        HBRUSH hBrush = ::CreateSolidBrush(PALETTERGB(GetBackgroundColour().Red(), GetBackgroundColour().Green(), GetBackgroundColour().Blue()));
-        int mode = ::SetMapMode((HDC) event.GetDC()->GetHDC(), MM_TEXT);
+        case EN_ERRSPACE:
+            // the text size limit has been hit - increase it
+            AdjustSpaceLimit();
+            break;
 
-        ::FillRect ((HDC) event.GetDC()->GetHDC(), &rect, hBrush);
-        ::DeleteObject(hBrush);
-        ::SetMapMode((HDC) event.GetDC()->GetHDC(), mode);
-*/
+            // 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;
-  }
+#ifndef __WIN16__
+    unsigned int len = ::GetWindowTextLength(GetHwnd()),
+    limit = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
+    if ( len > limit )
+    {
+        limit = len + 0x8000;    // 32Kb
 
-  // processed
-  return TRUE;
+#if wxUSE_RICHEDIT
+        if ( m_isRich || limit > 0xffff )
+#else
+        if ( limit > 0xffff )
+#endif
+            ::SendMessage(GetHwnd(), EM_LIMITTEXT, 0, limit);
+        else
+            ::SendMessage(GetHwnd(), EM_LIMITTEXT, limit, 0);
+    }
+#endif
 }
 
-
 // For Rich Edit controls. Do we need it?
 #if 0
 #if wxUSE_RICHEDIT