Output the extracted number from wxString::ToXXX() even if it returns false.

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

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 6254c9ae8d147071365482e4413041b8341e9123..217d837291600fbf3a7bec957c7264fd0b3415fd 100644 (file)
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -241,7 +241,7 @@ static inline void wxBringWindowToTop(HWND hwnd)
     // raise top level parent to top of z order
     if (!::SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE))
     {
     // raise top level parent to top of z order
     if (!::SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE))
     {

-        wxLogLastError(_T("SetWindowPos"));
+        wxLogLastError(wxT("SetWindowPos"));

     }
 }
 
     }
 }
 


@@ -413,7 +413,6 @@ wxCONSTRUCTOR_DUMMY(wxWindow)
 
 BEGIN_EVENT_TABLE(wxWindowMSW, wxWindowBase)
     EVT_SYS_COLOUR_CHANGED(wxWindowMSW::OnSysColourChanged)
 
 BEGIN_EVENT_TABLE(wxWindowMSW, wxWindowBase)
     EVT_SYS_COLOUR_CHANGED(wxWindowMSW::OnSysColourChanged)

-    EVT_ERASE_BACKGROUND(wxWindowMSW::OnEraseBackground)

 #ifdef __WXWINCE__
     EVT_INIT_DIALOG(wxWindowMSW::OnInitDialog)
 #endif
 #ifdef __WXWINCE__
     EVT_INIT_DIALOG(wxWindowMSW::OnInitDialog)
 #endif


@@ -513,13 +512,15 @@ void wxWindowMSW::Init()
     m_lastKeydownProcessed = false;
 
     m_hWnd = 0;
     m_lastKeydownProcessed = false;
 
     m_hWnd = 0;

-    m_hDWP = 0;

 
     m_xThumbSize = 0;
     m_yThumbSize = 0;
 
 
     m_xThumbSize = 0;
     m_yThumbSize = 0;
 

+#if wxUSE_DEFERRED_SIZING
+    m_hDWP = 0;

     m_pendingPosition = wxDefaultPosition;
     m_pendingSize = wxDefaultSize;
     m_pendingPosition = wxDefaultPosition;
     m_pendingSize = wxDefaultSize;

+#endif // wxUSE_DEFERRED_SIZING

 
 #ifdef __POCKETPC__
     m_contextMenuEnabled = false;
 
 #ifdef __POCKETPC__
     m_contextMenuEnabled = false;


@@ -563,7 +564,9 @@ wxWindowMSW::~wxWindowMSW()
         //if (::IsWindow(GetHwnd()))
         {
             if ( !::DestroyWindow(GetHwnd()) )
         //if (::IsWindow(GetHwnd()))
         {
             if ( !::DestroyWindow(GetHwnd()) )

+            {

                 wxLogLastError(wxT("DestroyWindow"));
                 wxLogLastError(wxT("DestroyWindow"));

+            }

         }
 
         // remove hWnd <-> wxWindow association
         }
 
         // remove hWnd <-> wxWindow association


@@ -575,7 +578,7 @@ wxWindowMSW::~wxWindowMSW()
 /* static */
 const wxChar *wxWindowMSW::MSWGetRegisteredClassName()
 {
 /* static */
 const wxChar *wxWindowMSW::MSWGetRegisteredClassName()
 {

-    return wxApp::GetRegisteredClassName(_T("wxWindow"), COLOR_BTNFACE);
+    return wxApp::GetRegisteredClassName(wxT("wxWindow"), COLOR_BTNFACE);

 }
 
 // real construction (Init() must have been called before!)
 }
 
 // real construction (Init() must have been called before!)


@@ -626,7 +629,7 @@ bool wxWindowMSW::Create(wxWindow *parent,
 void wxWindowMSW::SetFocus()
 {
     HWND hWnd = GetHwnd();
 void wxWindowMSW::SetFocus()
 {
     HWND hWnd = GetHwnd();

-    wxCHECK_RET( hWnd, _T("can't set focus to invalid window") );
+    wxCHECK_RET( hWnd, wxT("can't set focus to invalid window") );

 
 #if !defined(__WXWINCE__)
     ::SetLastError(0);
 
 #if !defined(__WXWINCE__)
     ::SetLastError(0);


@@ -641,7 +644,7 @@ void wxWindowMSW::SetFocus()
             HWND hwndFocus = ::GetFocus();
             if ( hwndFocus != hWnd )
             {
             HWND hwndFocus = ::GetFocus();
             if ( hwndFocus != hWnd )
             {

-                wxLogApiError(_T("SetFocus"), dwRes);
+                wxLogApiError(wxT("SetFocus"), dwRes);

             }
         }
     }
             }
         }
     }


@@ -730,7 +733,7 @@ wxWindowMSW::MSWShowWithEffect(bool show,
     static bool s_initDone = false;
     if ( !s_initDone )
     {
     static bool s_initDone = false;
     if ( !s_initDone )
     {

-        wxDynamicLibrary dllUser32(_T("user32.dll"), wxDL_VERBATIM | wxDL_QUIET);
+        wxDynamicLibrary dllUser32(wxT("user32.dll"), wxDL_VERBATIM | wxDL_QUIET);

         wxDL_INIT_FUNC(s_pfn, AnimateWindow, dllUser32);
 
         s_initDone = true;
         wxDL_INIT_FUNC(s_pfn, AnimateWindow, dllUser32);
 
         s_initDone = true;


@@ -798,17 +801,17 @@ wxWindowMSW::MSWShowWithEffect(bool show,
 
 
         case wxSHOW_EFFECT_MAX:
 
 
         case wxSHOW_EFFECT_MAX:

-            wxFAIL_MSG( _T("invalid window show effect") );
+            wxFAIL_MSG( wxT("invalid window show effect") );

             return false;
 
         default:
             return false;
 
         default:

-            wxFAIL_MSG( _T("unknown window show effect") );
+            wxFAIL_MSG( wxT("unknown window show effect") );

             return false;
     }
 
     if ( !(*s_pfnAnimateWindow)(GetHwnd(), timeout, dwFlags) )
     {
             return false;
     }
 
     if ( !(*s_pfnAnimateWindow)(GetHwnd(), timeout, dwFlags) )
     {

-        wxLogLastError(_T("AnimateWindow"));
+        wxLogLastError(wxT("AnimateWindow"));

 
         return false;
     }
 
         return false;
     }


@@ -842,7 +845,7 @@ void wxWindowMSW::DoReleaseMouse()
 {
     if ( !::ReleaseCapture() )
     {
 {
     if ( !::ReleaseCapture() )
     {

-        wxLogLastError(_T("ReleaseCapture"));
+        wxLogLastError(wxT("ReleaseCapture"));

     }
 }
 
     }
 }
 


@@ -922,7 +925,7 @@ void wxWindowMSW::WarpPointer(int x, int y)
 
     if ( !::SetCursorPos(x, y) )
     {
 
     if ( !::SetCursorPos(x, y) )
     {

-        wxLogLastError(_T("SetCursorPos"));
+        wxLogLastError(wxT("SetCursorPos"));

     }
 }
 
     }
 }
 


@@ -978,7 +981,7 @@ inline UINT WXOrientToSB(int orient)
 int wxWindowMSW::GetScrollPos(int orient) const
 {
     HWND hWnd = GetHwnd();
 int wxWindowMSW::GetScrollPos(int orient) const
 {
     HWND hWnd = GetHwnd();

-    wxCHECK_MSG( hWnd, 0, _T("no HWND in GetScrollPos") );
+    wxCHECK_MSG( hWnd, 0, wxT("no HWND in GetScrollPos") );

 
     return GetScrollPosition(hWnd, WXOrientToSB(orient));
 }
 
     return GetScrollPosition(hWnd, WXOrientToSB(orient));
 }


@@ -997,7 +1000,7 @@ int wxWindowMSW::GetScrollRange(int orient) const
     {
         // Most of the time this is not really an error, since the return
         // value can also be zero when there is no scrollbar yet.
     {
         // Most of the time this is not really an error, since the return
         // value can also be zero when there is no scrollbar yet.

-        // wxLogLastError(_T("GetScrollInfo"));
+        // wxLogLastError(wxT("GetScrollInfo"));

     }
     maxPos = scrollInfo.nMax;
 
     }
     maxPos = scrollInfo.nMax;
 


@@ -1013,7 +1016,7 @@ int wxWindowMSW::GetScrollThumb(int orient) const
 void wxWindowMSW::SetScrollPos(int orient, int pos, bool refresh)
 {
     HWND hWnd = GetHwnd();
 void wxWindowMSW::SetScrollPos(int orient, int pos, bool refresh)
 {
     HWND hWnd = GetHwnd();

-    wxCHECK_RET( hWnd, _T("SetScrollPos: no HWND") );
+    wxCHECK_RET( hWnd, wxT("SetScrollPos: no HWND") );

 
     WinStruct<SCROLLINFO> info;
     info.nPage = 0;
 
     WinStruct<SCROLLINFO> info;
     info.nPage = 0;


@@ -1142,7 +1145,7 @@ void wxWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
     wxUnusedVar(dir);
 #else
     wxCHECK_RET( GetHwnd(),
     wxUnusedVar(dir);
 #else
     wxCHECK_RET( GetHwnd(),

-                 _T("layout direction must be set after window creation") );
+                 wxT("layout direction must be set after window creation") );

 
     LONG styleOld = wxGetWindowExStyle(this);
 
 
     LONG styleOld = wxGetWindowExStyle(this);
 


@@ -1158,7 +1161,7 @@ void wxWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
             break;
 
         default:
             break;
 
         default:

-            wxFAIL_MSG(_T("unsupported layout direction"));
+            wxFAIL_MSG(wxT("unsupported layout direction"));

             break;
     }
 
             break;
     }
 


@@ -1174,7 +1177,7 @@ wxLayoutDirection wxWindowMSW::GetLayoutDirection() const
 #ifdef __WXWINCE__
     return wxLayout_Default;
 #else
 #ifdef __WXWINCE__
     return wxLayout_Default;
 #else

-    wxCHECK_MSG( GetHwnd(), wxLayout_Default, _T("invalid window") );
+    wxCHECK_MSG( GetHwnd(), wxLayout_Default, wxT("invalid window") );

 
     return wxHasWindowExStyle(this, WS_EX_LAYOUTRTL) ? wxLayout_RightToLeft
                                                      : wxLayout_LeftToRight;
 
     return wxHasWindowExStyle(this, WS_EX_LAYOUTRTL) ? wxLayout_RightToLeft
                                                      : wxLayout_LeftToRight;


@@ -1257,7 +1260,9 @@ void wxWindowMSW::AssociateHandle(WXWidget handle)
     if ( m_hWnd )
     {
       if ( !::DestroyWindow(GetHwnd()) )
     if ( m_hWnd )
     {
       if ( !::DestroyWindow(GetHwnd()) )

+      {

         wxLogLastError(wxT("DestroyWindow"));
         wxLogLastError(wxT("DestroyWindow"));

+      }

     }
 
     WXHWND wxhwnd = (WXHWND)handle;
     }
 
     WXHWND wxhwnd = (WXHWND)handle;


@@ -1281,7 +1286,7 @@ bool wxCheckWindowWndProc(WXHWND hWnd,
     // TODO: get rid of wxTLWHiddenParent special case (currently it's not
     //       registered by wxApp but using ad hoc code in msw/toplevel.cpp);
     //       there is also a hidden window class used by sockets &c
     // TODO: get rid of wxTLWHiddenParent special case (currently it's not
     //       registered by wxApp but using ad hoc code in msw/toplevel.cpp);
     //       there is also a hidden window class used by sockets &c

-    return wxApp::IsRegisteredClassName(str) || str == _T("wxTLWHiddenParent");
+    return wxApp::IsRegisteredClassName(str) || str == wxT("wxTLWHiddenParent");

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1388,7 +1393,7 @@ void wxWindowMSW::MSWUpdateStyle(long flagsOld, long exflagsOld)
                              0, 0, 0, 0,
                              SWP_NOMOVE | SWP_NOSIZE | SWP_FRAMECHANGED) )
         {
                              0, 0, 0, 0,
                              SWP_NOMOVE | SWP_NOSIZE | SWP_FRAMECHANGED) )
         {

-            wxLogLastError(_T("SetWindowPos"));
+            wxLogLastError(wxT("SetWindowPos"));

         }
     }
 }
         }
     }
 }


@@ -1482,7 +1487,7 @@ WXDWORD wxWindowMSW::MSWGetStyle(long flags, WXDWORD *exstyle) const
         {
             default:
             case wxBORDER_DEFAULT:
         {
             default:
             case wxBORDER_DEFAULT:

-                wxFAIL_MSG( _T("unknown border style") );
+                wxFAIL_MSG( wxT("unknown border style") );

                 // fall through
 
             case wxBORDER_NONE:
                 // fall through
 
             case wxBORDER_NONE:


@@ -1649,7 +1654,7 @@ void wxWindowMSW::Update()
 {
     if ( !::UpdateWindow(GetHwnd()) )
     {
 {
     if ( !::UpdateWindow(GetHwnd()) )
     {

-        wxLogLastError(_T("UpdateWindow"));
+        wxLogLastError(wxT("UpdateWindow"));

     }
 
 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
     }
 
 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)


@@ -1920,7 +1925,7 @@ wxWindowMSW::DoMoveSibling(WXHWND hwnd, int x, int y, int width, int height)
                                 SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE);
         if ( !hdwp )
         {
                                 SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE);
         if ( !hdwp )
         {

-            wxLogLastError(_T("DeferWindowPos"));
+            wxLogLastError(wxT("DeferWindowPos"));

         }
     }
 
         }
     }
 


@@ -2016,7 +2021,7 @@ void wxWindowMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
     {
         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
         {
     {
         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
         {

-            size = DoGetBestSize();
+            size = GetBestSize();

             width = size.x;
         }
         else
             width = size.x;
         }
         else


@@ -2032,9 +2037,9 @@ void wxWindowMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
         {
             if ( size.x == wxDefaultCoord )
             {
         {
             if ( size.x == wxDefaultCoord )
             {

-                size = DoGetBestSize();
+                size = GetBestSize();

             }
             }

-            //else: already called DoGetBestSize() above
+            //else: already called GetBestSize() above

 
             height = size.y;
         }
 
             height = size.y;
         }


@@ -2106,11 +2111,41 @@ void wxWindowMSW::DoSetClientSize(int width, int height)
                            height + heightWin - rectClient.bottom,
                            TRUE) )
         {
                            height + heightWin - rectClient.bottom,
                            TRUE) )
         {

-            wxLogLastError(_T("MoveWindow"));
+            wxLogLastError(wxT("MoveWindow"));

         }
     }
 }
 
         }
     }
 }
 

+wxSize wxWindowMSW::DoGetBorderSize() const
+{
+    wxCoord border;
+    switch ( GetBorder() )
+    {
+        case wxBORDER_STATIC:
+        case wxBORDER_SIMPLE:
+            border = 1;
+            break;
+
+        case wxBORDER_SUNKEN:
+            border = 2;
+            break;
+
+        case wxBORDER_RAISED:
+        case wxBORDER_DOUBLE:
+            border = 3;
+            break;
+
+        default:
+            wxFAIL_MSG( wxT("unknown border style") );
+            // fall through
+
+        case wxBORDER_NONE:
+            border = 0;
+    }
+
+    return 2*wxSize(border, border);
+}
+

 // ---------------------------------------------------------------------------
 // text metrics
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // text metrics
 // ---------------------------------------------------------------------------


@@ -2131,13 +2166,14 @@ int wxWindowMSW::GetCharWidth() const
 #endif
 }
 
 #endif
 }
 

-void wxWindowMSW::GetTextExtent(const wxString& string,
-                             int *x, int *y,
-                             int *descent, int *externalLeading,
-                             const wxFont *fontToUse) const
+void wxWindowMSW::DoGetTextExtent(const wxString& string,
+                                  int *x, int *y,
+                                  int *descent,
+                                  int *externalLeading,
+                                  const wxFont *fontToUse) const

 {
     wxASSERT_MSG( !fontToUse || fontToUse->Ok(),
 {
     wxASSERT_MSG( !fontToUse || fontToUse->Ok(),

-                    _T("invalid font in GetTextExtent()") );
+                    wxT("invalid font in GetTextExtent()") );

 
     HFONT hfontToUse;
     if ( fontToUse )
 
     HFONT hfontToUse;
     if ( fontToUse )


@@ -2913,7 +2949,7 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
 
                     // this should never happen
                     wxCHECK_MSG( win, 0,
 
                     // this should never happen
                     wxCHECK_MSG( win, 0,

-                                 _T("FindWindowForMouseEvent() returned NULL") );
+                                 wxT("FindWindowForMouseEvent() returned NULL") );

                 }
 #ifdef __POCKETPC__
                 if (IsContextMenuEnabled() && message == WM_LBUTTONDOWN)
                 }
 #ifdef __POCKETPC__
                 if (IsContextMenuEnabled() && message == WM_LBUTTONDOWN)


@@ -3829,7 +3865,7 @@ bool wxWindowMSW::HandleTooltipNotify(WXUINT code,
 
         if ( !len )
         {
 
         if ( !len )
         {

-            wxLogLastError(_T("MultiByteToWideChar()"));
+            wxLogLastError(wxT("MultiByteToWideChar()"));

         }
 
         buf[len] = L'\0';
         }
 
         buf[len] = L'\0';


@@ -4220,7 +4256,7 @@ bool wxWindowMSW::HandlePower(WXWPARAM WXUNUSED_IN_WINCE(wParam),
             break;
 
         default:
             break;
 
         default:

-            wxLogDebug(_T("Unknown WM_POWERBROADCAST(%d) event"), wParam);
+            wxLogDebug(wxT("Unknown WM_POWERBROADCAST(%d) event"), wParam);

             // fall through
 
         // these messages are currently not mapped to wx events
             // fall through
 
         // these messages are currently not mapped to wx events


@@ -4313,7 +4349,7 @@ wxWindowMSW::MSWOnDrawItem(int WXUNUSED_UNLESS_ODRAWN(id),
             return false;
 
         wxCHECK_MSG( wxDynamicCast(pMenuItem, wxMenuItem),
             return false;
 
         wxCHECK_MSG( wxDynamicCast(pMenuItem, wxMenuItem),

-                         false, _T("MSWOnDrawItem: bad wxMenuItem pointer") );
+                         false, wxT("MSWOnDrawItem: bad wxMenuItem pointer") );

 
         // prepare to call OnDrawItem(): notice using of wxDCTemp to prevent
         // the DC from being released
 
         // prepare to call OnDrawItem(): notice using of wxDCTemp to prevent
         // the DC from being released


@@ -4379,7 +4415,7 @@ wxWindowMSW::MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
             return false;
 
         wxCHECK_MSG( wxDynamicCast(pMenuItem, wxMenuItem),
             return false;
 
         wxCHECK_MSG( wxDynamicCast(pMenuItem, wxMenuItem),

-                        false, _T("MSWOnMeasureItem: bad wxMenuItem pointer") );
+                        false, wxT("MSWOnMeasureItem: bad wxMenuItem pointer") );

 
         size_t w, h;
         bool rc = pMenuItem->OnMeasureItem(&w, &h);
 
         size_t w, h;
         bool rc = pMenuItem->OnMeasureItem(&w, &h);


@@ -4606,12 +4642,12 @@ extern wxCOLORMAP *wxGetStdColourMap()
             // reference bitmap which can tell us what the RGB values change
             // to.
             wxLogNull logNo; // suppress error if we couldn't load the bitmap
             // reference bitmap which can tell us what the RGB values change
             // to.
             wxLogNull logNo; // suppress error if we couldn't load the bitmap

-            wxBitmap stdColourBitmap(_T("wxBITMAP_STD_COLOURS"));
+            wxBitmap stdColourBitmap(wxT("wxBITMAP_STD_COLOURS"));

             if ( stdColourBitmap.Ok() )
             {
                 // the pixels in the bitmap must correspond to wxSTD_COL_XXX!
                 wxASSERT_MSG( stdColourBitmap.GetWidth() == wxSTD_COL_MAX,
             if ( stdColourBitmap.Ok() )
             {
                 // the pixels in the bitmap must correspond to wxSTD_COL_XXX!
                 wxASSERT_MSG( stdColourBitmap.GetWidth() == wxSTD_COL_MAX,

-                              _T("forgot to update wxBITMAP_STD_COLOURS!") );
+                              wxT("forgot to update wxBITMAP_STD_COLOURS!") );

 
                 wxMemoryDC memDC;
                 memDC.SelectObject(stdColourBitmap);
 
                 wxMemoryDC memDC;
                 memDC.SelectObject(stdColourBitmap);


@@ -4662,9 +4698,13 @@ bool wxWindowMSW::HandlePaint()
 {
     HRGN hRegion = ::CreateRectRgn(0, 0, 0, 0); // Dummy call to get a handle
     if ( !hRegion )
 {
     HRGN hRegion = ::CreateRectRgn(0, 0, 0, 0); // Dummy call to get a handle
     if ( !hRegion )

+    {

         wxLogLastError(wxT("CreateRectRgn"));
         wxLogLastError(wxT("CreateRectRgn"));

+    }

     if ( ::GetUpdateRgn(GetHwnd(), hRegion, FALSE) == ERROR )
     if ( ::GetUpdateRgn(GetHwnd(), hRegion, FALSE) == ERROR )

+    {

         wxLogLastError(wxT("GetUpdateRgn"));
         wxLogLastError(wxT("GetUpdateRgn"));

+    }

 
     m_updateRegion = wxRegion((WXHRGN) hRegion);
 
 
     m_updateRegion = wxRegion((WXHRGN) hRegion);
 


@@ -4702,52 +4742,59 @@ void wxWindowMSW::OnPaint(wxPaintEvent& event)
 }
 
 bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
 }
 
 bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)

-{
-    wxDCTemp dc(hdc, GetClientSize());
-    wxDCTempImpl *impl = (wxDCTempImpl*) dc.GetImpl();
-
-    impl->SetHDC(hdc);
-    impl->SetWindow((wxWindow *)this);
-
-    wxEraseEvent event(m_windowId, &dc);
-    event.SetEventObject(this);
-    bool rc = HandleWindowEvent(event);
-
-    // must be called manually as ~wxDC doesn't do anything for wxDCTemp
-    impl->SelectOldObjects(hdc);
-
-    return rc;
-}
-
-void wxWindowMSW::OnEraseBackground(wxEraseEvent& event)

 {
     // standard non top level controls (i.e. except the dialogs) always erase
     // their background themselves in HandleCtlColor() or have some control-
     // specific ways to set the colours (common controls)
     if ( IsOfStandardClass() && !IsTopLevel() )
 {
     // standard non top level controls (i.e. except the dialogs) always erase
     // their background themselves in HandleCtlColor() or have some control-
     // specific ways to set the colours (common controls)
     if ( IsOfStandardClass() && !IsTopLevel() )

-    {
-        event.Skip();
-        return;
-    }
+        return false;

 
 

-    if ( GetBackgroundStyle() == wxBG_STYLE_CUSTOM )
+    switch ( GetBackgroundStyle() )

     {
     {

-        // don't skip the event here, custom background means that the app
-        // is drawing it itself in its OnPaint(), so don't draw it at all
-        // now to avoid flicker
-        return;
-    }
+        case wxBG_STYLE_ERASE:
+            // we need to generate an erase background event
+            {
+                wxDCTemp dc(hdc, GetClientSize());
+                wxDCTempImpl *impl = (wxDCTempImpl*) dc.GetImpl();

 
 

-    wxDC *dc = event.GetDC();
-    if (!dc) return;
-    wxMSWDCImpl *impl = (wxMSWDCImpl*) dc->GetImpl();
+                impl->SetHDC(hdc);
+                impl->SetWindow((wxWindow *)this);

 
 

-    // do default background painting
-    if ( !DoEraseBackground(GetHdcOf(*impl)) )
-    {
-        // let the system paint the background
-        event.Skip();
+                wxEraseEvent event(m_windowId, &dc);
+                event.SetEventObject(this);
+                bool rc = HandleWindowEvent(event);
+
+                // must be called manually as ~wxDC doesn't do anything for
+                // wxDCTemp
+                impl->SelectOldObjects(hdc);
+
+                if ( rc )
+                {
+                    // background erase by the user-defined handler
+                    return true;
+                }
+            }
+            // fall through
+
+        case wxBG_STYLE_SYSTEM:
+            if ( !DoEraseBackground(hdc) )
+            {
+                // let the default processing to take place if we didn't erase
+                // the background ourselves
+                return false;
+            }
+            break;
+
+        case wxBG_STYLE_PAINT:
+            // no need to do anything here at all, background will be entirely
+            // redrawn in WM_PAINT handler
+            break;
+
+        default:
+            wxFAIL_MSG( "unknown background style" );

     }
     }

+
+    return true;

 }
 
 bool wxWindowMSW::DoEraseBackground(WXHDC hDC)
 }
 
 bool wxWindowMSW::DoEraseBackground(WXHDC hDC)


@@ -4925,7 +4972,7 @@ bool wxWindowMSW::HandleSize(int WXUNUSED(w), int WXUNUSED(h), WXUINT wParam)
             m_hDWP = (WXHANDLE)::BeginDeferWindowPos(numChildren);
             if ( !m_hDWP )
             {
             m_hDWP = (WXHANDLE)::BeginDeferWindowPos(numChildren);
             if ( !m_hDWP )
             {

-                wxLogLastError(_T("BeginDeferWindowPos"));
+                wxLogLastError(wxT("BeginDeferWindowPos"));

             }
             if (m_hDWP)
                 useDefer = true;
             }
             if (m_hDWP)
                 useDefer = true;


@@ -4938,7 +4985,7 @@ bool wxWindowMSW::HandleSize(int WXUNUSED(w), int WXUNUSED(h), WXUINT wParam)
     switch ( wParam )
     {
         default:
     switch ( wParam )
     {
         default:

-            wxFAIL_MSG( _T("unexpected WM_SIZE parameter") );
+            wxFAIL_MSG( wxT("unexpected WM_SIZE parameter") );

             // fall through nevertheless
 
         case SIZE_MAXHIDE:
             // fall through nevertheless
 
         case SIZE_MAXHIDE:


@@ -4978,7 +5025,7 @@ bool wxWindowMSW::HandleSize(int WXUNUSED(w), int WXUNUSED(h), WXUINT wParam)
         // do put all child controls in place at once
         if ( !::EndDeferWindowPos(hDWP) )
         {
         // do put all child controls in place at once
         if ( !::EndDeferWindowPos(hDWP) )
         {

-            wxLogLastError(_T("EndDeferWindowPos"));
+            wxLogLastError(wxT("EndDeferWindowPos"));

         }
 
         // Reset our children's pending pos/size values.
         }
 
         // Reset our children's pending pos/size values.


@@ -5173,7 +5220,7 @@ void wxWindowMSW::InitMouseEvent(wxMouseEvent& event,
 // still don't get move, enter nor leave events.
 static wxWindowMSW *FindWindowForMouseEvent(wxWindowMSW *win, int *x, int *y)
 {
 // still don't get move, enter nor leave events.
 static wxWindowMSW *FindWindowForMouseEvent(wxWindowMSW *win, int *x, int *y)
 {

-    wxCHECK_MSG( x && y, win, _T("NULL pointer in FindWindowForMouseEvent") );
+    wxCHECK_MSG( x && y, win, wxT("NULL pointer in FindWindowForMouseEvent") );

 
     // first try to find a non transparent child: this allows us to send events
     // to a static text which is inside a static box, for example
 
     // first try to find a non transparent child: this allows us to send events
     // to a static text which is inside a static box, for example


@@ -5297,11 +5344,11 @@ bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
             {
                 // see comment in wxApp::GetComCtl32Version() explaining the
                 // use of wxLoadedDLL
             {
                 // see comment in wxApp::GetComCtl32Version() explaining the
                 // use of wxLoadedDLL

-                wxLoadedDLL dllComCtl32(_T("comctl32.dll"));
+                wxLoadedDLL dllComCtl32(wxT("comctl32.dll"));

                 if ( dllComCtl32.IsLoaded() )
                 {
                     s_pfn_TrackMouseEvent = (_TrackMouseEvent_t)
                 if ( dllComCtl32.IsLoaded() )
                 {
                     s_pfn_TrackMouseEvent = (_TrackMouseEvent_t)

-                        dllComCtl32.RawGetSymbol(_T("_TrackMouseEvent"));
+                        dllComCtl32.RawGetSymbol(wxT("_TrackMouseEvent"));

                 }
 
                 s_initDone = true;
                 }
 
                 s_initDone = true;


@@ -5383,7 +5430,7 @@ bool wxWindowMSW::HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam)
                                      &s_linesPerRotation, 0))
         {
             // this is not supposed to happen
                                      &s_linesPerRotation, 0))
         {
             // this is not supposed to happen

-            wxLogLastError(_T("SystemParametersInfo(GETWHEELSCROLLLINES)"));
+            wxLogLastError(wxT("SystemParametersInfo(GETWHEELSCROLLLINES)"));

 
             // the default is 3, so use it if SystemParametersInfo() failed
             s_linesPerRotation = 3;
 
             // the default is 3, so use it if SystemParametersInfo() failed
             s_linesPerRotation = 3;


@@ -5426,7 +5473,7 @@ void wxWindowMSW::GenerateMouseLeave()
     if ( !::GetCursorPos(&pt) )
 #endif
     {
     if ( !::GetCursorPos(&pt) )
 #endif
     {

-        wxLogLastError(_T("GetCursorPos"));
+        wxLogLastError(wxT("GetCursorPos"));

     }
 
     // we need to have client coordinates here for symmetry with
     }
 
     // we need to have client coordinates here for symmetry with


@@ -5591,13 +5638,13 @@ int wxWindowMSW::HandleMenuChar(int WXUNUSED_IN_WINCE(chAccel),
                 //  menu creation code
                 wxMenuItem *item = (wxMenuItem*)mii.dwItemData;
 
                 //  menu creation code
                 wxMenuItem *item = (wxMenuItem*)mii.dwItemData;
 

-                const wxChar *p = wxStrchr(item->GetItemLabel().wx_str(), _T('&'));
+                const wxChar *p = wxStrchr(item->GetItemLabel().wx_str(), wxT('&'));

                 while ( p++ )
                 {
                 while ( p++ )
                 {

-                    if ( *p == _T('&') )
+                    if ( *p == wxT('&') )

                     {
                         // this is not the accel char, find the real one
                     {
                         // this is not the accel char, find the real one

-                        p = wxStrchr(p + 1, _T('&'));
+                        p = wxStrchr(p + 1, wxT('&'));

                     }
                     else // got the accel char
                     {
                     }
                     else // got the accel char
                     {


@@ -5620,7 +5667,7 @@ int wxWindowMSW::HandleMenuChar(int WXUNUSED_IN_WINCE(chAccel),
         else // failed to get the menu text?
         {
             // it's not fatal, so don't show error, but still log it
         else // failed to get the menu text?
         {
             // it's not fatal, so don't show error, but still log it

-            wxLogLastError(_T("GetMenuItemInfo"));
+            wxLogLastError(wxT("GetMenuItemInfo"));

         }
     }
 #endif
         }
     }
 #endif


@@ -5794,7 +5841,7 @@ bool wxWindowMSW::MSWOnScroll(int orientation, WXWORD wParam,
                                   &scrollInfo) )
             {
                 // Not necessarily an error, if there are no scrollbars yet.
                                   &scrollInfo) )
             {
                 // Not necessarily an error, if there are no scrollbars yet.

-                // wxLogLastError(_T("GetScrollInfo"));
+                // wxLogLastError(wxT("GetScrollInfo"));

             }
 
             event.SetPosition(scrollInfo.nTrackPos);
             }
 
             event.SetPosition(scrollInfo.nTrackPos);


@@ -5820,7 +5867,7 @@ bool wxWindowMSW::MSWOnScroll(int orientation, WXWORD wParam,
 wxWindowMSW::MSWRegisterMessageHandler(int msg, MSWMessageHandler handler)
 {
     wxCHECK_MSG( gs_messageHandlers.find(msg) == gs_messageHandlers.end(),
 wxWindowMSW::MSWRegisterMessageHandler(int msg, MSWMessageHandler handler)
 {
     wxCHECK_MSG( gs_messageHandlers.find(msg) == gs_messageHandlers.end(),

-                 false, _T("registering handler for the same message twice") );
+                 false, wxT("registering handler for the same message twice") );

 
     gs_messageHandlers[msg] = handler;
     return true;
 
     gs_messageHandlers[msg] = handler;
     return true;


@@ -5831,7 +5878,7 @@ wxWindowMSW::MSWUnregisterMessageHandler(int msg, MSWMessageHandler handler)
 {
     const MSWMessageHandlers::iterator i = gs_messageHandlers.find(msg);
     wxCHECK_RET( i != gs_messageHandlers.end() && i->second == handler,
 {
     const MSWMessageHandlers::iterator i = gs_messageHandlers.find(msg);
     wxCHECK_RET( i != gs_messageHandlers.end() && i->second == handler,

-                 _T("unregistering non-registered handler?") );
+                 wxT("unregistering non-registered handler?") );

 
     gs_messageHandlers.erase(i);
 }
 
     gs_messageHandlers.erase(i);
 }


@@ -6337,7 +6384,7 @@ void wxSetKeyboardHook(bool doIt)
                               );
         if ( !wxTheKeyboardHook )
         {
                               );
         if ( !wxTheKeyboardHook )
         {

-            wxLogLastError(_T("SetWindowsHookEx(wxKeyboardHook)"));
+            wxLogLastError(wxT("SetWindowsHookEx(wxKeyboardHook)"));

         }
     }
     else // uninstall
         }
     }
     else // uninstall


@@ -6898,10 +6945,10 @@ static void WinCEUnregisterHotKey(int modifiers, int id)
     typedef BOOL (WINAPI *UnregisterFunc1Proc)(UINT, UINT);
 
     UnregisterFunc1Proc procUnregisterFunc;
     typedef BOOL (WINAPI *UnregisterFunc1Proc)(UINT, UINT);
 
     UnregisterFunc1Proc procUnregisterFunc;

-    hCoreDll = LoadLibrary(_T("coredll.dll"));
+    hCoreDll = LoadLibrary(wxT("coredll.dll"));

     if (hCoreDll)
     {
     if (hCoreDll)
     {

-        procUnregisterFunc = (UnregisterFunc1Proc)GetProcAddress(hCoreDll, _T("UnregisterFunc1"));
+        procUnregisterFunc = (UnregisterFunc1Proc)GetProcAddress(hCoreDll, wxT("UnregisterFunc1"));

         if (procUnregisterFunc)
             procUnregisterFunc(modifiers, id);
         FreeLibrary(hCoreDll);
         if (procUnregisterFunc)
             procUnregisterFunc(modifiers, id);
         FreeLibrary(hCoreDll);


@@ -6929,7 +6976,7 @@ bool wxWindowMSW::RegisterHotKey(int hotkeyId, int modifiers, int keycode)
 
     if ( !::RegisterHotKey(GetHwnd(), hotkeyId, win_modifiers, keycode) )
     {
 
     if ( !::RegisterHotKey(GetHwnd(), hotkeyId, win_modifiers, keycode) )
     {

-        wxLogLastError(_T("RegisterHotKey"));
+        wxLogLastError(wxT("RegisterHotKey"));

 
         return false;
     }
 
         return false;
     }


@@ -6945,7 +6992,7 @@ bool wxWindowMSW::UnregisterHotKey(int hotkeyId)
 
     if ( !::UnregisterHotKey(GetHwnd(), hotkeyId) )
     {
 
     if ( !::UnregisterHotKey(GetHwnd(), hotkeyId) )
     {

-        wxLogLastError(_T("UnregisterHotKey"));
+        wxLogLastError(wxT("UnregisterHotKey"));

 
         return false;
     }
 
         return false;
     }


@@ -6998,7 +7045,7 @@ public:
 
         if ( !ms_hMsgHookProc )
         {
 
         if ( !ms_hMsgHookProc )
         {

-            wxLogLastError(_T("SetWindowsHookEx(WH_GETMESSAGE)"));
+            wxLogLastError(wxT("SetWindowsHookEx(WH_GETMESSAGE)"));

 
             return false;
         }
 
             return false;
         }