Some of these are not in BASE, cahnge back to WXDLLEXPORT

[wxWidgets.git] / src / msw / combobox.cpp

diff --git a/src/msw/combobox.cpp b/src/msw/combobox.cpp
index 470a02654cf462dea87c1b646d1ce77d7376305e..5ac0ec4d7286aafd2fdb4c674244af0e06d60871 100644 (file)
--- a/src/msw/combobox.cpp
+++ b/src/msw/combobox.cpp
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$

-// Copyright:   (c) Julian Smart and Markus Holzem
+// Copyright:   (c) Julian Smart

 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 


@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

 #pragma implementation "combobox.h"
 #endif
 
 #pragma implementation "combobox.h"
 #endif
 


@@ -33,6 +33,8 @@
 #ifndef WX_PRECOMP
     #include "wx/settings.h"
     #include "wx/log.h"
 #ifndef WX_PRECOMP
     #include "wx/settings.h"
     #include "wx/log.h"

+    // for wxEVT_COMMAND_TEXT_ENTER
+    #include "wx/textctrl.h"

 #endif
 
 #include "wx/combobox.h"
 #endif
 
 #include "wx/combobox.h"


@@ -51,7 +53,65 @@
 // wxWin macros
 // ----------------------------------------------------------------------------
 
 // wxWin macros
 // ----------------------------------------------------------------------------
 

+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxComboBoxStyle )
+
+wxBEGIN_FLAGS( wxComboBoxStyle )
+    // new style border flags, we put them first to
+    // use them for streaming out
+    wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+    wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+    wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+    wxFLAGS_MEMBER(wxBORDER_RAISED)
+    wxFLAGS_MEMBER(wxBORDER_STATIC)
+    wxFLAGS_MEMBER(wxBORDER_NONE)
+
+    // old style border flags
+    wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+    wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+    wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+    wxFLAGS_MEMBER(wxRAISED_BORDER)
+    wxFLAGS_MEMBER(wxSTATIC_BORDER)
+    wxFLAGS_MEMBER(wxBORDER)
+
+    // standard window styles
+    wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+    wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+    wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+    wxFLAGS_MEMBER(wxWANTS_CHARS)
+    wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
+    wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+    wxFLAGS_MEMBER(wxVSCROLL)
+    wxFLAGS_MEMBER(wxHSCROLL)
+
+    wxFLAGS_MEMBER(wxCB_SIMPLE)
+    wxFLAGS_MEMBER(wxCB_SORT)
+    wxFLAGS_MEMBER(wxCB_READONLY)
+    wxFLAGS_MEMBER(wxCB_DROPDOWN)
+
+wxEND_FLAGS( wxComboBoxStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxComboBox, wxControl,"wx/combobox.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxComboBox)
+    wxEVENT_PROPERTY( Select , wxEVT_COMMAND_COMBOBOX_SELECTED , wxCommandEvent )
+    wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )
+
+    // TODO DELEGATES
+    wxPROPERTY( Font , wxFont , SetFont , GetFont  , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY_COLLECTION( Choices , wxArrayString , wxString , AppendString , GetStrings , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( Value ,wxString, SetValue, GetValue, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( Selection ,int, SetSelection, GetSelection, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY_FLAGS( WindowStyle , wxComboBoxStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxComboBox)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_5( wxComboBox , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size )
+#else

 IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)
 IMPLEMENT_DYNAMIC_CLASS(wxComboBox, wxControl)

+#endif

 
 // ----------------------------------------------------------------------------
 // function prototypes
 
 // ----------------------------------------------------------------------------
 // function prototypes


@@ -67,7 +127,7 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
 // ---------------------------------------------------------------------------
 
 // the pointer to standard radio button wnd proc
 // ---------------------------------------------------------------------------
 
 // the pointer to standard radio button wnd proc

-static WXFARPROC gs_wndprocEdit = (WXFARPROC)NULL;
+static WNDPROC gs_wndprocEdit = (WNDPROC)NULL;

 
 // ============================================================================
 // implementation
 
 // ============================================================================
 // implementation


@@ -87,20 +147,33 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
 
     switch ( message )
     {
 
     switch ( message )
     {

-        // forward some messages to the combobox
+        // forward some messages to the combobox to generate the appropriate
+        // wxEvents from them

         case WM_KEYUP:
         case WM_KEYDOWN:
         case WM_CHAR:
         case WM_KEYUP:
         case WM_KEYDOWN:
         case WM_CHAR:

+        case WM_SETFOCUS:
+        case WM_KILLFOCUS:

             {
                 wxComboBox *combo = wxDynamicCast(win, wxComboBox);
             {
                 wxComboBox *combo = wxDynamicCast(win, wxComboBox);

-                wxCHECK_MSG( combo, 0, _T("should have combo as parent") );
-
-                if ( combo->MSWProcessEditMsg(message, wParam, lParam) )
+                if ( !combo )
+                {
+                    // we can get WM_KILLFOCUS while our parent is already half
+                    // destroyed and hence doesn't look like a combobx any
+                    // longer, check for it to avoid bogus assert failures
+                    if ( !win->IsBeingDeleted() )
+                    {
+                        wxFAIL_MSG( _T("should have combo as parent") );
+                    }
+                }
+                else if ( combo->MSWProcessEditMsg(message, wParam, lParam) )
+                {
+                    // handled by parent

                     return 0;
                     return 0;

+                }

             }
             break;
 
             }
             break;
 

-#if 0

         case WM_GETDLGCODE:
             {
                 wxCHECK_MSG( win, 0, _T("should have a parent") );
         case WM_GETDLGCODE:
             {
                 wxCHECK_MSG( win, 0, _T("should have a parent") );


@@ -112,7 +185,6 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
                 }
             }
             break;
                 }
             }
             break;

-#endif // 0

 
         // deal with tooltips here
 #if wxUSE_TOOLTIPS && defined(TTN_NEEDTEXT)
 
         // deal with tooltips here
 #if wxUSE_TOOLTIPS && defined(TTN_NEEDTEXT)


@@ -121,7 +193,7 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
                 wxCHECK_MSG( win, 0, _T("should have a parent") );
 
                 NMHDR* hdr = (NMHDR *)lParam;
                 wxCHECK_MSG( win, 0, _T("should have a parent") );
 
                 NMHDR* hdr = (NMHDR *)lParam;

-                if ( (int)hdr->code == TTN_NEEDTEXT )
+                if ( hdr->code == TTN_NEEDTEXT )

                 {
                     wxToolTip *tooltip = win->GetToolTip();
                     if ( tooltip )
                 {
                     wxToolTip *tooltip = win->GetToolTip();
                     if ( tooltip )


@@ -141,36 +213,18 @@ LRESULT APIENTRY _EXPORT wxComboEditWndProc(HWND hWnd,
     return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam);
 }
 
     return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit, hWnd, message, wParam, lParam);
 }
 

-WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSED(nCtlColor),
-#if wxUSE_CTL3D
-                               WXUINT message,
-                               WXWPARAM wParam,
-                               WXLPARAM lParam
-#else
-                               WXUINT WXUNUSED(message),
-                               WXWPARAM WXUNUSED(wParam),
-                               WXLPARAM WXUNUSED(lParam)
-#endif
-    )
+WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC,
+                                WXHWND WXUNUSED(pWnd),
+                                WXUINT WXUNUSED(nCtlColor),
+                                WXUINT WXUNUSED(message),
+                                WXWPARAM WXUNUSED(wParam),
+                                WXLPARAM WXUNUSED(lParam))

 {
 {

-#if wxUSE_CTL3D
-    if ( m_useCtl3D )
-    {
-        HBRUSH hbrush = Ctl3dCtlColorEx(message, wParam, lParam);
-        return (WXHBRUSH) hbrush;
-    }
-#endif // wxUSE_CTL3D
-

     HDC hdc = (HDC)pDC;
     HDC hdc = (HDC)pDC;

-    if (GetParent()->GetTransparentBackground())
-        SetBkMode(hdc, TRANSPARENT);
-    else
-        SetBkMode(hdc, OPAQUE);
-

     wxColour colBack = GetBackgroundColour();
 
     if (!IsEnabled())
     wxColour colBack = GetBackgroundColour();
 
     if (!IsEnabled())

-        colBack = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+        colBack = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);

 
     ::SetBkColor(hdc, wxColourToRGB(colBack));
     ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));
 
     ::SetBkColor(hdc, wxColourToRGB(colBack));
     ::SetTextColor(hdc, wxColourToRGB(GetForegroundColour()));


@@ -181,24 +235,62 @@ WXHBRUSH wxComboBox::OnCtlColor(WXHDC pDC, WXHWND WXUNUSED(pWnd), WXUINT WXUNUSE
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------

-// wxComboBox
+// wxComboBox callbacks

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

+WXLRESULT wxComboBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
+{
+    // handle WM_CTLCOLOR messages from our EDIT control to be able to set its
+    // colour correctly (to be the same as our own one)
+    switch ( nMsg )
+    {
+        // we have to handle both: one for the normal case and the other for
+        // wxCB_READONLY
+        case WM_CTLCOLOREDIT:
+        case WM_CTLCOLORSTATIC:
+            WXWORD nCtlColor;
+            WXHDC hdc;
+            WXHWND hwnd;
+            UnpackCtlColor(wParam, lParam, &nCtlColor, &hdc, &hwnd);
+
+            return (WXLRESULT)OnCtlColor(hdc, hwnd, nCtlColor, nMsg, wParam, lParam);
+    }
+
+    return wxChoice::MSWWindowProc(nMsg, wParam, lParam);
+}
+

 bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam)
 {
     switch ( msg )
     {
         case WM_CHAR:
 bool wxComboBox::MSWProcessEditMsg(WXUINT msg, WXWPARAM wParam, WXLPARAM lParam)
 {
     switch ( msg )
     {
         case WM_CHAR:

-            return HandleChar(wParam, lParam, TRUE /* isASCII */);
+            // for compatibility with wxTextCtrl, generate a special message
+            // when Enter is pressed
+            if ( wParam == VK_RETURN )
+            {
+                wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
+                InitCommandEvent(event);
+                event.SetString(GetValue());
+                event.SetInt(GetSelection());
+                ProcessCommand(event);
+            }
+
+            return HandleChar(wParam, lParam, true /* isASCII */);

 
         case WM_KEYDOWN:
             return HandleKeyDown(wParam, lParam);
 
         case WM_KEYUP:
             return HandleKeyUp(wParam, lParam);
 
         case WM_KEYDOWN:
             return HandleKeyDown(wParam, lParam);
 
         case WM_KEYUP:
             return HandleKeyUp(wParam, lParam);

+
+        case WM_SETFOCUS:
+            return HandleSetFocus((WXHWND)wParam);
+
+        case WM_KILLFOCUS:
+            return HandleKillFocus((WXHWND)wParam);

     }
 
     }
 

-    return FALSE;
+    return false;

 }
 
 bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
 }
 
 bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))


@@ -241,6 +333,14 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
                 }
                 else // we're synthesizing text updated event from sel change
                 {
                 }
                 else // we're synthesizing text updated event from sel change
                 {

+                    // We need to retrieve the current selection because the user
+                    // may have changed it in the previous handler (for CBN_SELCHANGE
+                    // above).
+                    sel = GetSelection();
+                    if ( sel > -1 )
+                    {
+                        value = GetString(sel);
+                    }

                     // we need to do this because the user code expects
                     // wxComboBox::GetValue() to return the new value from
                     // "text updated" handler but it hadn't been updated yet
                     // we need to do this because the user code expects
                     // wxComboBox::GetValue() to return the new value from
                     // "text updated" handler but it hadn't been updated yet


@@ -255,8 +355,8 @@ bool wxComboBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
     }
 
     // there is no return value for the CBN_ notifications, so always return
     }
 
     // there is no return value for the CBN_ notifications, so always return

-    // FALSE from here to pass the message to DefWindowProc()
-    return FALSE;
+    // false from here to pass the message to DefWindowProc()
+    return false;

 }
 
 WXHWND wxComboBox::GetEditHWND() const
 }
 
 WXHWND wxComboBox::GetEditHWND() const


@@ -277,6 +377,10 @@ WXHWND wxComboBox::GetEditHWND() const
     return (WXHWND)hwndEdit;
 }
 
     return (WXHWND)hwndEdit;
 }
 

+// ----------------------------------------------------------------------------
+// wxComboBox creation
+// ----------------------------------------------------------------------------
+

 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                         const wxString& value,
                         const wxPoint& pos,
 bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                         const wxString& value,
                         const wxPoint& pos,


@@ -286,115 +390,104 @@ bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
                         const wxValidator& validator,
                         const wxString& name)
 {
                         const wxValidator& validator,
                         const wxString& name)
 {

-    // first create wxWin object
-    if ( !CreateControl(parent, id, pos, size, style, validator, name) )
-        return FALSE;
-
-    // get the right style
-    long msStyle = WS_TABSTOP | WS_VSCROLL | WS_HSCROLL |
-                   CBS_AUTOHSCROLL | CBS_NOINTEGRALHEIGHT /* | WS_CLIPSIBLINGS */;
-    if ( style & wxCB_READONLY )
-        msStyle |= CBS_DROPDOWNLIST;
-    else if ( style & wxCB_SIMPLE )
-        msStyle |= CBS_SIMPLE; // A list (shown always) and edit control
-    else
-        msStyle |= CBS_DROPDOWN;
+    // pretend that wxComboBox is hidden while it is positioned and resized and
+    // show it only right before leaving this method because otherwise there is
+    // some noticeable flicker while the control rearranges itself
+    m_isShown = false;
+
+    if ( !CreateAndInit(parent, id, pos, size, n, choices, style,
+                        validator, name) )
+        return false;
+
+    // we shouldn't call SetValue() for an empty string because this would
+    // (correctly) result in an assert with a read only combobox and is useless
+    // for the other ones anyhow
+    if ( !value.empty() )
+        SetValue(value);

 
 

-    if ( style & wxCB_SORT )
-        msStyle |= CBS_SORT;
+    // a (not read only) combobox is, in fact, 2 controls: the combobox itself
+    // and an edit control inside it and if we want to catch events from this
+    // edit control, we must subclass it as well
+    if ( !(style & wxCB_READONLY) )
+    {
+        gs_wndprocEdit = wxSetWindowProc((HWND)GetEditHWND(),
+                                         wxComboEditWndProc);
+    }

 
 

-    if ( style & wxCLIP_SIBLINGS )
-        msStyle |= WS_CLIPSIBLINGS;
+    // and finally, show the control
+    Show(true);

 
 

+    return true;
+}

 
 

-    // and now create the MSW control
-    if ( !MSWCreateControl(_T("COMBOBOX"), msStyle) )
-        return FALSE;
+bool wxComboBox::Create(wxWindow *parent, wxWindowID id,
+                        const wxString& value,
+                        const wxPoint& pos,
+                        const wxSize& size,
+                        const wxArrayString& choices,
+                        long style,
+                        const wxValidator& validator,
+                        const wxString& name)
+{
+    wxCArrayString chs(choices);
+    return Create(parent, id, value, pos, size, chs.GetCount(),
+                  chs.GetStrings(), style, validator, name);
+}

 
 

-    SetSize(pos.x, pos.y, size.x, size.y);
+WXDWORD wxComboBox::MSWGetStyle(long style, WXDWORD *exstyle) const
+{
+    // we never have an external border
+    WXDWORD msStyle = wxChoice::MSWGetStyle
+                      (
+                        (style & ~wxBORDER_MASK) | wxBORDER_NONE, exstyle
+                      );

 
 

-    // A choice/combobox normally has a white background (or other, depending
-    // on global settings) rather than inheriting the parent's background colour.
-    SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW));
+    // remove the style always added by wxChoice
+    msStyle &= ~CBS_DROPDOWNLIST;

 
 

-    for ( int i = 0; i < n; i++ )
-    {
-        Append(choices[i]);
-    }
+    if ( style & wxCB_READONLY )
+        msStyle |= CBS_DROPDOWNLIST;
+#ifndef __WXWINCE__
+    else if ( style & wxCB_SIMPLE )
+        msStyle |= CBS_SIMPLE; // A list (shown always) and edit control
+#endif
+    else
+        msStyle |= CBS_DROPDOWN;

 
 

-    if ( !value.IsEmpty() )
-    {
-        SetValue(value);
-    }
+    // there is no reason to not always use CBS_AUTOHSCROLL, so do use it
+    msStyle |= CBS_AUTOHSCROLL;

 
 

-    // a (not read only) combobox is, in fact, 2 controls: the combobox itself
-    // and an edit control inside it and if we want to catch events from this
-    // edit control, we must subclass it as well
-    if ( !(style & wxCB_READONLY) )
-    {
-        gs_wndprocEdit = (WXFARPROC)::SetWindowLong
-                                      (
-                                        (HWND)GetEditHWND(),
-                                        GWL_WNDPROC,
-                                        (LPARAM)wxComboEditWndProc
-                                      );
-    }
+    // NB: we used to also add CBS_NOINTEGRALHEIGHT here but why?

 
 

-    return TRUE;
+    return msStyle;

 }
 
 }
 

-// TODO: update and clear all this horrible mess (VZ)
+// ----------------------------------------------------------------------------
+// wxComboBox text control-like methods
+// ----------------------------------------------------------------------------

 
 void wxComboBox::SetValue(const wxString& value)
 {
 
 void wxComboBox::SetValue(const wxString& value)
 {

-  // If newlines are denoted by just 10, must stick 13 in front.
-  int singletons = 0;
-  int len = value.Length();
-  int i;
-  for (i = 0; i < len; i ++)
-  {
-    if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
-      singletons ++;
-  }
-  if (singletons > 0)
-  {
-    wxChar *tmp = new wxChar[len + singletons + 1];
-    int j = 0;
-    for (i = 0; i < len; i ++)
-    {
-      if ((i > 0) && (value[i] == 10) && (value[i-1] != 13))
-      {
-        tmp[j] = 13;
-        j ++;
-      }
-      tmp[j] = value[i];
-      j ++;
-    }
-    tmp[j] = 0;
-    SetWindowText(GetHwnd(), tmp);
-    delete[] tmp;
-  }
-  else
-    SetWindowText(GetHwnd(), value);
+    if ( HasFlag(wxCB_READONLY) )
+        SetStringSelection(value);
+    else
+        SetWindowText(GetHwnd(), value.c_str());

 }
 
 // Clipboard operations
 void wxComboBox::Copy()
 {
 }
 
 // Clipboard operations
 void wxComboBox::Copy()
 {

-  HWND hWnd = GetHwnd();
-  SendMessage(hWnd, WM_COPY, 0, 0L);
+  SendMessage(GetHwnd(), WM_COPY, 0, 0L);

 }
 
 void wxComboBox::Cut()
 {
 }
 
 void wxComboBox::Cut()
 {

-  HWND hWnd = GetHwnd();
-  SendMessage(hWnd, WM_CUT, 0, 0L);
+  SendMessage(GetHwnd(), WM_CUT, 0, 0L);

 }
 
 void wxComboBox::Paste()
 {
 }
 
 void wxComboBox::Paste()
 {

-  HWND hWnd = GetHwnd();
-  SendMessage(hWnd, WM_PASTE, 0, 0L);
+  SendMessage(GetHwnd(), WM_PASTE, 0, 0L);

 }
 
 void wxComboBox::SetEditable(bool WXUNUSED(editable))
 }
 
 void wxComboBox::SetEditable(bool WXUNUSED(editable))


@@ -418,7 +511,7 @@ void wxComboBox::SetInsertionPoint(long pos)
         // Scroll insertion point into view
         SendMessage(hEditWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
         // Why is this necessary? (Copied from wxTextCtrl::SetInsertionPoint)
         // Scroll insertion point into view
         SendMessage(hEditWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
         // Why is this necessary? (Copied from wxTextCtrl::SetInsertionPoint)

-        SendMessage(hEditWnd, EM_REPLACESEL, 0, (LPARAM)_T(""));
+        SendMessage(hEditWnd, EM_REPLACESEL, 0, (LPARAM) wxEmptyString);

     }
 #endif // __WIN32__
 }
     }
 #endif // __WIN32__
 }


@@ -480,7 +573,7 @@ void wxComboBox::SetSelection(long from, long to)
     long fromChar = from;
     long toChar = to;
     // if from and to are both -1, it means
     long fromChar = from;
     long toChar = to;
     // if from and to are both -1, it means

-    // (in wxWindows) that all text should be selected.
+    // (in wxWidgets) that all text should be selected.

     // This translates into Windows convention
     if ((from == -1) && (to == -1))
     {
     // This translates into Windows convention
     if ((from == -1) && (to == -1))
     {


@@ -488,18 +581,11 @@ void wxComboBox::SetSelection(long from, long to)
       toChar = -1;
     }
 
       toChar = -1;
     }
 

-    if (
-#ifdef __WIN32__
-    SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar))
-#else // Win16
-    SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)fromChar, (LPARAM)toChar)
-#endif
-        == CB_ERR )
+    if ( SendMessage(hWnd, CB_SETEDITSEL, (WPARAM)0, (LPARAM)MAKELONG(fromChar, toChar)) == CB_ERR )

     {
         wxLogDebug(_T("CB_SETEDITSEL failed"));
     }
 }
 
     {
         wxLogDebug(_T("CB_SETEDITSEL failed"));
     }
 }
 

-#endif
- // wxUSE_COMBOBOX
+#endif // wxUSE_COMBOBOX