]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/textctrl.cpp
Separate out constructors / destructors, add support for enums and include files...
[wxWidgets.git] / src / os2 / textctrl.cpp
index 9d38365087f2a2a123a24961c9cb645625a8c510..88178bf957947bd4658105e7e3c7dd0390f10e8d 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        textctrl.cpp
+// Name:        src/os2/textctrl.cpp
 // Purpose:     wxTextCtrl
 // Author:      David Webster
 // Modified by:
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
+#include "wx/textctrl.h"
+
 #ifndef WX_PRECOMP
-    #include "wx/textctrl.h"
     #include "wx/scrolwin.h"
     #include "wx/settings.h"
     #include "wx/brush.h"
     #include "wx/utils.h"
     #include "wx/log.h"
+    #include "wx/app.h"
 #endif
 
 #if wxUSE_CLIPBOARD
-    #include "wx/app.h"
     #include "wx/clipbrd.h"
 #endif
 
@@ -54,9 +55,9 @@
 // event tables and other macros
 // ----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 
-BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
+BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
     EVT_CHAR(wxTextCtrl::OnChar)
     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 
@@ -86,6 +87,10 @@ wxTextCtrl::wxTextCtrl()
 {
 }
 
+wxTextCtrl::~wxTextCtrl()
+{
+}
+
 bool wxTextCtrl::Create(
   wxWindow*                         pParent
 , wxWindowID                        vId
@@ -93,15 +98,10 @@ bool wxTextCtrl::Create(
 , const wxPoint&                    rPos
 , const wxSize&                     rSize
 , long                              lStyle
-#if wxUSE_VALIDATORS
 , const wxValidator&                rValidator
-#endif
 , const wxString&                   rsName
 )
 {
-    HWND                            hParent;
-    int                             nTempy;
-
     //
     // Base initialization
     //
@@ -110,12 +110,10 @@ bool wxTextCtrl::Create(
                      ,rPos
                      ,rSize
                      ,lStyle
-#if wxUSE_VALIDATORS
                      ,rValidator
-#endif
                      ,rsName
                     ))
-        return FALSE;
+        return false;
 
     wxPoint                         vPos = rPos; // The OS/2 position
     SWP                             vSwp;
@@ -126,7 +124,8 @@ bool wxTextCtrl::Create(
     }
 
     m_windowStyle = lStyle;
-    m_bIsMLE = FALSE;
+    m_bIsMLE = false;
+    m_bSkipUpdate = false;
 
     long                            lSstyle = WS_VISIBLE | WS_TABSTOP;
 
@@ -136,7 +135,7 @@ bool wxTextCtrl::Create(
     if ( m_windowStyle & wxTE_MULTILINE )
     {
         lSstyle |= MLS_BORDER | MLS_WORDWRAP;
-        m_bIsMLE = TRUE;
+        m_bIsMLE = true;
 
         if ((m_windowStyle & wxTE_NO_VSCROLL) == 0)
             lSstyle |= MLS_VSCROLL;
@@ -161,7 +160,7 @@ bool wxTextCtrl::Create(
     {
         m_hWnd = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
                                            ,WC_MLE                   // Window class
-                                           ,(PSZ)rsValue.c_str()     // Initial Text
+                                           ,rsValue.c_str()     // Initial Text
                                            ,(ULONG)lSstyle           // Style flags
                                            ,(LONG)0                  // X pos of origin
                                            ,(LONG)0                  // Y pos of origin
@@ -178,7 +177,7 @@ bool wxTextCtrl::Create(
     {
         m_hWnd = (WXHWND)::WinCreateWindow( (HWND)GetHwndOf(pParent) // Parent window handle
                                            ,WC_ENTRYFIELD            // Window class
-                                           ,(PSZ)rsValue.c_str()     // Initial Text
+                                           ,rsValue.c_str()     // Initial Text
                                            ,(ULONG)lSstyle           // Style flags
                                            ,(LONG)0                  // X pos of origin
                                            ,(LONG)0                  // Y pos of origin
@@ -194,7 +193,7 @@ bool wxTextCtrl::Create(
 
     if (m_hWnd == 0)
     {
-        return FALSE;
+        return false;
     }
 
     SubclassWin(GetHWND());
@@ -208,7 +207,7 @@ bool wxTextCtrl::Create(
                                                             ,wxNORMAL
                                                            );
     SetFont(*pTextFont);
-    if (!rsValue.IsEmpty())
+    if (!rsValue.empty())
     {
         SetValue(rsValue);
     }
@@ -226,7 +225,7 @@ bool wxTextCtrl::Create(
             ,rSize.y
            );
     delete pTextFont;
-    return TRUE;
+    return true;
 } // end of wxTextCtrl::Create
 
 //
@@ -330,7 +329,8 @@ void wxTextCtrl::SetupColours()
 wxString wxTextCtrl::GetValue() const
 {
     wxString                        sStr = wxGetWindowText(GetHWND());
-    char*                           zStr = (char*)sStr.c_str();
+    wxCharBuffer                    buf(sStr.char_str());
+    char*                           zStr = buf.data();
 
     for ( ; *zStr; zStr++ )
     {
@@ -342,11 +342,12 @@ wxString wxTextCtrl::GetValue() const
         if (*zStr == '\r')
             *zStr = '\n';
     }
-    return sStr;
+    return zStr;
 } // end of wxTextCtrl::GetValue
 
-void wxTextCtrl::SetValue(
-  const wxString&                   rsValue
+void wxTextCtrl::DoSetValue(
+  const wxString&                   rsValue,
+  int flags
 )
 {
     //
@@ -357,6 +358,9 @@ void wxTextCtrl::SetValue(
     //
     if ((rsValue.length() > 0x400) || (rsValue != GetValue()))
     {
+        if ( flags & SetValue_SendEvent )
+            m_bSkipUpdate = true;
+
         ::WinSetWindowText(GetHwnd(), rsValue.c_str());
         AdjustSpaceLimit();
     }
@@ -367,7 +371,7 @@ void wxTextCtrl::WriteText(
 )
 {
     if (m_bIsMLE)
-        ::WinSendMsg(GetHwnd(), MLM_INSERT, MPARAM((PCHAR)rsValue.c_str()), MPARAM(0));
+        ::WinSendMsg(GetHwnd(), MLM_INSERT, MPARAM(rsValue.wx_str()), MPARAM(0));
     else
         ::WinSetWindowText(GetHwnd(), rsValue.c_str());
     AdjustSpaceLimit();
@@ -459,10 +463,10 @@ bool wxTextCtrl::CanCut() const
 
 bool wxTextCtrl::CanPaste() const
 {
-    bool                            bIsTextAvailable = FALSE;
+    bool                            bIsTextAvailable = false;
 
     if (!IsEditable())
-        return FALSE;
+        return false;
 
     //
     // Check for straight text on clipboard
@@ -505,8 +509,17 @@ void wxTextCtrl::SetInsertionPoint(
 
 void wxTextCtrl::SetInsertionPointEnd()
 {
-    long                            lPos = GetLastPosition();
+    wxTextPos                       lPos = GetLastPosition();
 
+    //
+    // We must not do anything if the caret is already there because calling
+    // SetInsertionPoint() thaws the controls if Freeze() had been called even
+    // if it doesn't actually move the caret anywhere and so the simple fact of
+    // doing it results in horrible flicker when appending big amounts of text
+    // to the control in a few chunks (see DoAddText() test in the text sample)
+    //
+    if (GetInsertionPoint() == GetLastPosition())
+        return;
     SetInsertionPoint(lPos);
 } // end of wxTextCtrl::SetInsertionPointEnd
 
@@ -524,7 +537,7 @@ long wxTextCtrl::GetInsertionPoint() const
     return (dwPos & 0xFFFF);
 } // end of wxTextCtrl::GetInsertionPoint
 
-long wxTextCtrl::GetLastPosition() const
+wxTextPos wxTextCtrl::GetLastPosition() const
 {
     HWND                            hWnd = GetHwnd();
     long                            lCharIndex;
@@ -590,16 +603,12 @@ bool wxTextCtrl::IsEditable() const
 // Editing
 // ----------------------------------------------------------------------------
 
-void wxTextCtrl::Replace(
-  long                              lFrom
-, long                              lTo
-, const wxString&                   rsValue
-)
+void wxTextCtrl::Replace( long lFrom,
+                          long lTo,
+                          const wxString& rsValue )
 {
 #if wxUSE_CLIPBOARD
-    HWND                            hWnd      = GetHwnd();
-    long                            lFromChar = lFrom;
-    long                            lToChar   = lTo;
+    HWND hWnd = GetHwnd();
 
     //
     // Set selection and remove it
@@ -626,6 +635,9 @@ void wxTextCtrl::Replace(
     else
         ::WinSendMsg(hWnd, EM_PASTE, (MPARAM)0, (MPARAM)0);
 #else
+    wxUnusedVar(lFrom);
+    wxUnusedVar(lTo);
+    wxUnusedVar(rsValue);
     wxFAIL_MSG("wxTextCtrl::Replace not implemented if wxUSE_CLIPBOARD is 0.");
 #endif
 }  // end of wxTextCtrl::Replace
@@ -636,8 +648,6 @@ void wxTextCtrl::Remove(
 )
 {
     HWND                            hWnd      = GetHwnd();
-    long                            lFromChar = lFrom;
-    long                            lToChar   = lTo;
 
     if (m_bIsMLE)
     {
@@ -661,7 +671,7 @@ void wxTextCtrl::SetSelection(
     long                            lToChar = lTo;
 
     //
-    // If from and to are both -1, it means (in wxWindows) that all text should
+    // If from and to are both -1, it means (in wxWidgets) that all text should
     // be selected. Translate into Windows convention
     //
     if ((lFrom == -1L) && (lTo == -1L))
@@ -675,20 +685,21 @@ void wxTextCtrl::SetSelection(
         ::WinSendMsg(hWnd, EM_SETSEL, MPFROM2SHORT((USHORT)lFromChar, (USHORT)lToChar), (MPARAM)0);
 } // end of wxTextCtrl::SetSelection
 
-bool wxTextCtrl::LoadFile(
-  const wxString&                   rsFile
+bool wxTextCtrl::DoLoadFile(
+  const wxString&                   rsFile,
+  int                               fileType
 )
 {
-    if ( wxTextCtrlBase::LoadFile(rsFile) )
+    if ( wxTextCtrlBase::DoLoadFile(rsFile, fileType) )
     {
         //
         // Update the size limit if needed
         //
         AdjustSpaceLimit();
-        return TRUE;
+        return true;
     }
-    return FALSE;
-} // end of wxTextCtrl::LoadFile
+    return false;
+} // end of wxTextCtrl::DoLoadFile
 
 bool wxTextCtrl::IsModified() const
 {
@@ -701,6 +712,15 @@ bool wxTextCtrl::IsModified() const
     return bRc;
 } // end of wxTextCtrl::IsModified
 
+void wxTextCtrl::MarkDirty()
+{
+    if (m_bIsMLE)
+        ::WinSendMsg(GetHwnd(), MLM_SETCHANGED, MPFROMLONG(TRUE), 0);
+    else
+        // EM controls do not have a SETCHANGED, what can we do??
+        wxFAIL_MSG( _T("not implemented") );
+}
+
 //
 // Makes 'unmodified'
 //
@@ -731,7 +751,6 @@ long wxTextCtrl::XYToPosition(
 , long                              lY
 ) const
 {
-    HWND                            hWnd = GetHwnd();
     long                            lCharIndex = 0L;
     long                            lLen;
 
@@ -763,7 +782,7 @@ bool wxTextCtrl::PositionToXY(
     if (nLineNo == -1)
     {
         // no such line
-        return FALSE;
+        return false;
     }
 
     //
@@ -795,7 +814,7 @@ bool wxTextCtrl::PositionToXY(
 
     if (lCharIndex == -1)
     {
-        return FALSE;
+        return false;
     }
 
     //
@@ -806,15 +825,13 @@ bool wxTextCtrl::PositionToXY(
     if (plY)
         *plY = nLineNo;
 
-    return TRUE;
+    return true;
 } // end of wxTextCtrl::PositionToXY
 
-void wxTextCtrl::ShowPosition(
-  long                              lPos
-)
+void wxTextCtrl::ShowPosition( long WXUNUSED(lPos) )
 {
-    HWND                            hWnd = GetHwnd();
-    long                            lCurrentLineLineNo = 0L;
+    HWND hWnd = GetHwnd();
+    long lCurrentLineLineNo = 0L;
 
     // To scroll to a position, we pass the number of lines and characters
     // to scroll *by*. This means that we need to:
@@ -841,17 +858,17 @@ void wxTextCtrl::ShowPosition(
     }
 } // end of wxTextCtrl::ShowPosition
 
-int wxTextCtrl::GetLineLength(
-  long                              lLineNo
-) const
+int wxTextCtrl::GetLineLength( long WXUNUSED(lLineNo) ) const
 {
-    long                            lLen = 0L;
+    long lLen = 0L;
 
     if (m_bIsMLE)
+    {
         lLen = (long)::WinSendMsg(GetHwnd(), MLM_QUERYLINELENGTH, 0, 0);
+    }
     else
     {
-        WNDPARAMS                   vParams;
+        WNDPARAMS vParams;
 
         vParams.fsStatus = WPM_CCHTEXT;
         if (::WinSendMsg( GetHwnd()
@@ -874,14 +891,14 @@ wxString wxTextCtrl::GetLineText(
 {
     long                            lLen = (long)GetLineLength((long)lLineNo) + 1;
     wxString                        sStr;
-    char*                           zBuf;
+    wxChar*                         zBuf;
 
     //
     // There must be at least enough place for the length WORD in the
     // buffer
     //
     lLen += sizeof(WORD);
-    zBuf = new char[lLen];
+    zBuf = new wxChar[lLen];
     if (m_bIsMLE)
     {
         long                        lIndex;
@@ -892,7 +909,7 @@ wxString wxTextCtrl::GetLineText(
         lIndex = lLen * lLineNo;
 
         ::WinSendMsg(GetHwnd(), MLM_SETSEL, (MPARAM)lIndex, (MPARAM)lIndex);
-        ::WinSendMsg(GetHwnd(), MLM_SETIMPORTEXPORT, MPFROMP(zBuf), MPFROMSHORT((USHORT)sizeof(zBuf)));
+        ::WinSendMsg(GetHwnd(), MLM_SETIMPORTEXPORT, MPFROMP(zBuf), MPFROMSHORT((USHORT)WXSIZEOF(zBuf)));
         lBuflen = (long)::WinSendMsg(GetHwnd(), MLM_QUERYFORMATTEXTLENGTH, MPFROMLONG(lIndex), MPFROMLONG(-1));
         lCopied = (long)::WinSendMsg(GetHwnd(), MLM_EXPORT, MPFROMP(&lIndex), MPFROMP(&lBuflen));
         zBuf[lCopied] = '\0';
@@ -907,7 +924,7 @@ wxString wxTextCtrl::GetLineText(
                          ,&vParams
                          ,0
                         ))
-         memcpy(zBuf, vParams.pszText, vParams.cchText);
+         memcpy((char*)zBuf, vParams.pszText, vParams.cchText);
          zBuf[vParams.cchText] = '\0';
      }
      sStr = zBuf;
@@ -946,7 +963,7 @@ bool wxTextCtrl::CanUndo() const
     if (m_bIsMLE)
         bOk = (::WinSendMsg(GetHwnd(), MLM_QUERYUNDO, 0, 0) != 0);
     else
-        bOk = FALSE; // can't undo regular edit fields in PM
+        bOk = false; // can't undo regular edit fields in PM
     return bOk;
 } // end of wxTextCtrl::CanUndo
 
@@ -957,7 +974,7 @@ bool wxTextCtrl::CanRedo() const
     if (m_bIsMLE)
         bOk = (::WinSendMsg(GetHwnd(), MLM_QUERYUNDO, 0, 0) != 0);
     else
-        bOk = FALSE; // can't undo regular edit fields in PM
+        bOk = false; // can't undo regular edit fields in PM
     return bOk;
 } // end of wxTextCtrl::CanRedo
 
@@ -984,22 +1001,17 @@ void wxTextCtrl::OnDropFiles(
     }
 } // end of wxTextCtrl::OnDropFiles
 
-WXHBRUSH wxTextCtrl::OnCtlColor(
-  WXHDC                             hWxDC
-, WXHWND                            hWnd
-, WXUINT                            uCtlColor
-, WXUINT                            uMessage
-, WXWPARAM                          wParam
-, WXLPARAM                          lParam
-)
+WXHBRUSH wxTextCtrl::OnCtlColor( WXHDC    hWxDC,
+                                 WXHWND   WXUNUSED(hWnd),
+                                 WXUINT   WXUNUSED(uCtlColor),
+                                 WXUINT   WXUNUSED(uMessage),
+                                 WXWPARAM WXUNUSED(wParam),
+                                 WXLPARAM WXUNUSED(lParam) )
 {
-    HPS                             hPS = (HPS)hWxDC;
-    wxBrush*                        pBrush = NULL;
-    wxColour                        vColBack = GetBackgroundColour();
-    wxColour                        vColFore = GetForegroundColour();
-    wxBrush*                        pBackgroundBrush = wxTheBrushList->FindOrCreateBrush( GetBackgroundColour()
-                                                                                         ,wxSOLID
-                                                                                        );
+    HPS      hPS = (HPS)hWxDC;
+    wxColour vColBack = GetBackgroundColour();
+    wxColour vColFore = GetForegroundColour();
+    wxBrush* pBackgroundBrush = wxTheBrushList->FindOrCreateBrush( vColBack, wxSOLID );
 
     if (m_bUseCtl3D)
     {
@@ -1029,7 +1041,7 @@ void wxTextCtrl::OnChar(
   wxKeyEvent&                       rEvent
 )
 {
-    switch (rEvent.KeyCode())
+    switch (rEvent.GetKeyCode())
     {
         case WXK_RETURN:
             if ( !(m_windowStyle & wxTE_MULTILINE) )
@@ -1037,7 +1049,7 @@ void wxTextCtrl::OnChar(
                 wxCommandEvent      vEvent(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 
                 vEvent.SetEventObject(this);
-                if ( GetEventHandler()->ProcessEvent(vEvent))
+                if ( HandleWindowEvent(vEvent))
                     return;
             }
             //else: multiline controls need Enter for themselves
@@ -1056,10 +1068,10 @@ void wxTextCtrl::OnChar(
                 wxNavigationKeyEvent    vEventNav;
 
                 vEventNav.SetDirection(!rEvent.ShiftDown());
-                vEventNav.SetWindowChange(FALSE);
+                vEventNav.SetWindowChange(false);
                 vEventNav.SetEventObject(this);
 
-                if ( GetEventHandler()->ProcessEvent(vEventNav) )
+                if ( HandleWindowEvent(vEventNav) )
                     return;
             }
             break;
@@ -1083,18 +1095,23 @@ bool wxTextCtrl::OS2Command(
                                           );
 
                 vEvent.SetEventObject(this);
-                GetEventHandler()->ProcessEvent(vEvent);
+                HandleWindowEvent(vEvent);
             }
             break;
 
         case EN_CHANGE:
             {
+                if (m_bSkipUpdate)
+                {
+                    m_bSkipUpdate = false;
+                    break;
+                }
+
                 wxCommandEvent      vEvent( wxEVT_COMMAND_TEXT_UPDATED
                                            ,m_windowId
                                           );
 
                 InitCommandEvent(vEvent);
-                vEvent.SetString((char*)GetValue().c_str());
                 ProcessCommand(vEvent);
             }
             break;
@@ -1109,15 +1126,15 @@ bool wxTextCtrl::OS2Command(
         case EN_SCROLL:
         case EN_INSERTMODETOGGLE:
         case EN_MEMERROR:
-            return FALSE;
+            return false;
         default:
-            return FALSE;
+            return false;
     }
 
     //
     // Processed
     //
-    return TRUE;
+    return true;
 } // end of wxTextCtrl::OS2Command
 
 void wxTextCtrl::AdjustSpaceLimit()
@@ -1136,10 +1153,11 @@ void wxTextCtrl::AdjustSpaceLimit()
     }
     else
     {
-        ENTRYFDATA*                 pEfd;
+        ENTRYFDATA                  Efd;
         WNDPARAMS                   vParams;
 
         vParams.fsStatus = WPM_CBCTLDATA;
+        vParams.pCtlData = &Efd;
         vParams.cbCtlData = sizeof(ENTRYFDATA);
 
         if (::WinSendMsg( GetHwnd()
@@ -1147,44 +1165,50 @@ void wxTextCtrl::AdjustSpaceLimit()
                          ,&vParams
                          ,0
                         ))
-        {
-            pEfd = (ENTRYFDATA*)vParams.pCtlData;
-            uLimit = (unsigned int)pEfd->cchEditLimit;
-        }
+            uLimit = (unsigned int)Efd.cchEditLimit;
         else
             uLimit = 32; //PM's default
     }
     if (uLen >= uLimit)
     {
-        uLimit = uLen + 0x8000;    // 32Kb
-        if (uLimit > 0xffff)
+        if (m_bIsMLE)
         {
-            uLimit = 0L;
+            uLimit = uLen + 0x8000;    // 32Kb
+            if (uLimit > 0xffff)
+            {
+                uLimit = 0L;
+            }
         }
+        else
+            uLimit = 0x7fff;
+
         if (m_bIsMLE)
             ::WinSendMsg(GetHwnd(), MLM_SETTEXTLIMIT, MPFROMLONG(uLimit), 0);
         else
-            ::WinSendMsg(GetHwnd(), EM_SETTEXTLIMIT, MPFROMLONG(uLimit), 0);
+            ::WinSendMsg(GetHwnd(), EM_SETTEXTLIMIT, MPFROMSHORT(uLimit), 0);
     }
 } // end of wxTextCtrl::AdjustSpaceLimit
 
 bool wxTextCtrl::AcceptsFocus() const
 {
     //
-    // We don't want focus if we can't be edited
+    // We don't want focus if we can't be edited unless we're a multiline
+    // control because then it might be still nice to get focus from keyboard
+    // to be able to scroll it without mouse
     //
-    return IsEditable() && wxControl::AcceptsFocus();
+    return (IsEditable() || IsMultiLine()) && wxControl::AcceptsFocus();
 } // end of wxTextCtrl::Command
 
 wxSize wxTextCtrl::DoGetBestSize() const
 {
     int                             nCx;
     int                             nCy;
+    wxFont                          vFont = (wxFont)GetFont();
 
-    wxGetCharSize(GetHWND(), &nCx, &nCy, (wxFont*)&GetFont());
+    wxGetCharSize(GetHWND(), &nCx, &nCy, &vFont);
 
     int                             wText = DEFAULT_ITEM_WIDTH;
-    int                             hText = (EDIT_HEIGHT_FROM_CHAR_HEIGHT(nCy) * .8);
+    int                             hText = (int)(EDIT_HEIGHT_FROM_CHAR_HEIGHT(nCy) * .8);
 
     if (m_windowStyle & wxTE_MULTILINE)
     {
@@ -1198,105 +1222,107 @@ wxSize wxTextCtrl::DoGetBestSize() const
 // standard handlers for standard edit menu events
 // ----------------------------------------------------------------------------
 
-void wxTextCtrl::OnCut(
-  wxCommandEvent&                   rEvent
-)
+void wxTextCtrl::OnCut( wxCommandEvent& WXUNUSED(rEvent) )
 {
     Cut();
 } // end of wxTextCtrl::OnCut
 
-void wxTextCtrl::OnCopy(
-  wxCommandEvent&                   rEvent
-)
+void wxTextCtrl::OnCopy( wxCommandEvent& WXUNUSED(rEvent) )
 {
     Copy();
 } // end of wxTextCtrl::OnCopy
 
-void wxTextCtrl::OnPaste(
-  wxCommandEvent&                   rEvent
-)
+void wxTextCtrl::OnPaste( wxCommandEvent& WXUNUSED(rEvent) )
 {
     Paste();
 } // end of wxTextCtrl::OnPaste
 
-void wxTextCtrl::OnUndo(
-  wxCommandEvent&                   rEvent
-)
+void wxTextCtrl::OnUndo( wxCommandEvent& WXUNUSED(rEvent) )
 {
     Undo();
 } // end of wxTextCtrl::OnUndo
 
-void wxTextCtrl::OnRedo(
-  wxCommandEvent&                   rEvent
-)
+void wxTextCtrl::OnRedo( wxCommandEvent& WXUNUSED(rEvent) )
 {
     Redo();
 } // end of wxTextCtrl::OnRedo
 
-void wxTextCtrl::OnUpdateCut(
-  wxUpdateUIEvent&                  rEvent
-)
+void wxTextCtrl::OnDelete( wxCommandEvent& WXUNUSED(rEvent) )
+{
+    long lFrom, lTo;
+
+    GetSelection( &lFrom, &lTo );
+
+    if (lFrom != -1 && lTo != -1)
+        Remove( lFrom, lTo );
+} // end of wxTextCtrl::OnDelete
+
+void wxTextCtrl::OnSelectAll( wxCommandEvent& WXUNUSED(rEvent) )
+{
+    SetSelection(-1, -1);
+} // end of wxTextCtrl::OnSelectAll
+
+void wxTextCtrl::OnUpdateCut( wxUpdateUIEvent& rEvent )
 {
     rEvent.Enable(CanCut());
 } // end of wxTextCtrl::OnUpdateCut
 
-void wxTextCtrl::OnUpdateCopy(
-  wxUpdateUIEvent&                  rEvent
-)
+void wxTextCtrl::OnUpdateCopy( wxUpdateUIEvent& rEvent )
 {
     rEvent.Enable(CanCopy());
 } // end of wxTextCtrl::OnUpdateCopy
 
-void wxTextCtrl::OnUpdatePaste(
-  wxUpdateUIEvent&                  rEvent
-)
+void wxTextCtrl::OnUpdatePaste( wxUpdateUIEvent& rEvent )
 {
     rEvent.Enable(CanPaste());
 } // end of wxTextCtrl::OnUpdatePaste
 
-void wxTextCtrl::OnUpdateUndo(
-  wxUpdateUIEvent&                  rEvent
-)
+void wxTextCtrl::OnUpdateUndo( wxUpdateUIEvent& rEvent )
 {
     rEvent.Enable(CanUndo());
 } // end of wxTextCtrl::OnUpdateUndo
 
-void wxTextCtrl::OnUpdateRedo(
-  wxUpdateUIEvent&                  rEvent
-)
+void wxTextCtrl::OnUpdateRedo( wxUpdateUIEvent& rEvent )
 {
     rEvent.Enable(CanRedo());
 } // end of wxTextCtrl::OnUpdateRedo
 
-bool wxTextCtrl::SetBackgroundColour(
-  const wxColour&                   rColour
-)
+void wxTextCtrl::OnUpdateDelete( wxUpdateUIEvent& rEvent )
+{
+    long lFrom, lTo;
+
+    GetSelection( &lFrom, &lTo );
+    rEvent.Enable( lFrom != -1L && lTo != -1L && lFrom != lTo && IsEditable()) ;
+} // end of wxTextCtrl::OnUpdateDelete
+
+void wxTextCtrl::OnUpdateSelectAll( wxUpdateUIEvent& rEvent )
+{
+    rEvent.Enable(GetLastPosition() > 0);
+} // end of wxTextCtrl::OnUpdateSelectAll
+
+bool wxTextCtrl::SetBackgroundColour( const wxColour& rColour )
 {
     if (m_bIsMLE)
         ::WinSendMsg(GetHwnd(), MLM_SETBACKCOLOR, (MPARAM)rColour.GetPixel(), MLE_INDEX);
-    return TRUE;
+    return true;
 } // end of wxTextCtrl::SetBackgroundColour
 
-bool wxTextCtrl::SetForegroundColour(
-  const wxColour&                   rColour
-)
+bool wxTextCtrl::SetForegroundColour( const wxColour& rColour )
 {
     if (m_bIsMLE)
         ::WinSendMsg(GetHwnd(), MLM_SETTEXTCOLOR, (MPARAM)rColour.GetPixel(), MLE_INDEX);
-    return TRUE;
+    return true;
 } // end of wxTextCtrl::SetForegroundColour
 
-bool wxTextCtrl::SetStyle(
-  long                              lStart
-, long                              lEnd
-, const wxTextAttr&                 rStyle
-)
+bool wxTextCtrl::SetStyle( long lStart,
+                           long lEnd,
+                           const wxTextAttr& WXUNUSED(rStyle) )
 {
-    HWND                            hWnd = GetHwnd();
+    HWND hWnd = GetHwnd();
 
     if (lStart > lEnd)
     {
-        long                        lTmp = lStart;
+        long lTmp = lStart;
 
         lStart = lEnd;
         lEnd   = lTmp;
@@ -1306,18 +1332,15 @@ bool wxTextCtrl::SetStyle(
     // We can only change the format of the selection, so select the range we
     // want and restore the old selection later
     //
-    long                            lStartOld;
-    long                            lEndOld;
+    long lStartOld, lEndOld;
 
-    GetSelection( &lStartOld
-                 ,&lEndOld
-                );
+    GetSelection( &lStartOld, &lEndOld );
 
     //
     // But do we really have to change the selection?
     //
-    bool                            bChangeSel = lStart != lStartOld ||
-                                                 lEnd != lEndOld;
+    bool bChangeSel = lStart != lStartOld ||
+                      lEnd != lEndOld;
 
     if (bChangeSel)
     {
@@ -1330,6 +1353,5 @@ bool wxTextCtrl::SetStyle(
     //
     // TODO:: finish this part
     //
-    return TRUE;
+    return true;
 } // end of wxTextCtrl::SetStyle
-