X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ff9b9665a2b0bdbdb1b6eb7347b478eb242f9f28..74b1f0b45e0f0bc7e25c5f32bb495e3e4bcd3392:/src/msw/window.cpp

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 1b6fced637..bad095f9e9 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -151,16 +151,6 @@
     #define HAVE_TRACKMOUSEEVENT
 #endif // everything needed for TrackMouseEvent()
 
-// if this is set to 1, we use deferred window sizing to reduce flicker when
-// resizing complicated window hierarchies, but this can in theory result in
-// different behaviour than the old code so we keep the possibility to use it
-// by setting this to 0 (in the future this should be removed completely)
-#ifdef __WXWINCE__
-#define USE_DEFERRED_SIZING 0
-#else
-#define USE_DEFERRED_SIZING 1
-#endif
-
 // set this to 1 to filter out duplicate mouse events, e.g. mouse move events
 // when mouse position didnd't change
 #ifdef __WXWINCE__
@@ -251,7 +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))
     {
-        wxLogLastError(_T("SetWindowPos"));
+        wxLogLastError(wxT("SetWindowPos"));
     }
 }
 
@@ -423,7 +413,6 @@ wxCONSTRUCTOR_DUMMY(wxWindow)
 
 BEGIN_EVENT_TABLE(wxWindowMSW, wxWindowBase)
     EVT_SYS_COLOUR_CHANGED(wxWindowMSW::OnSysColourChanged)
-    EVT_ERASE_BACKGROUND(wxWindowMSW::OnEraseBackground)
 #ifdef __WXWINCE__
     EVT_INIT_DIALOG(wxWindowMSW::OnInitDialog)
 #endif
@@ -523,13 +512,15 @@ void wxWindowMSW::Init()
     m_lastKeydownProcessed = false;
 
     m_hWnd = 0;
-    m_hDWP = 0;
 
     m_xThumbSize = 0;
     m_yThumbSize = 0;
 
+#if wxUSE_DEFERRED_SIZING
+    m_hDWP = 0;
     m_pendingPosition = wxDefaultPosition;
     m_pendingSize = wxDefaultSize;
+#endif // wxUSE_DEFERRED_SIZING
 
 #ifdef __POCKETPC__
     m_contextMenuEnabled = false;
@@ -573,7 +564,9 @@ wxWindowMSW::~wxWindowMSW()
         //if (::IsWindow(GetHwnd()))
         {
             if ( !::DestroyWindow(GetHwnd()) )
+            {
                 wxLogLastError(wxT("DestroyWindow"));
+            }
         }
 
         // remove hWnd <-> wxWindow association
@@ -585,7 +578,7 @@ wxWindowMSW::~wxWindowMSW()
 /* 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!)
@@ -636,7 +629,7 @@ bool wxWindowMSW::Create(wxWindow *parent,
 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);
@@ -651,7 +644,7 @@ void wxWindowMSW::SetFocus()
             HWND hwndFocus = ::GetFocus();
             if ( hwndFocus != hWnd )
             {
-                wxLogApiError(_T("SetFocus"), dwRes);
+                wxLogApiError(wxT("SetFocus"), dwRes);
             }
         }
     }
@@ -731,6 +724,9 @@ wxWindowMSW::MSWShowWithEffect(bool show,
                                wxShowEffect effect,
                                unsigned timeout)
 {
+    if ( effect == wxSHOW_EFFECT_NONE )
+        return Show(show);
+
     if ( !wxWindowBase::Show(show) )
         return false;
 
@@ -740,7 +736,7 @@ wxWindowMSW::MSWShowWithEffect(bool show,
     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;
@@ -808,17 +804,17 @@ wxWindowMSW::MSWShowWithEffect(bool show,
 
 
         case wxSHOW_EFFECT_MAX:
-            wxFAIL_MSG( _T("invalid window show effect") );
+            wxFAIL_MSG( wxT("invalid window show effect") );
             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) )
     {
-        wxLogLastError(_T("AnimateWindow"));
+        wxLogLastError(wxT("AnimateWindow"));
 
         return false;
     }
@@ -852,7 +848,7 @@ void wxWindowMSW::DoReleaseMouse()
 {
     if ( !::ReleaseCapture() )
     {
-        wxLogLastError(_T("ReleaseCapture"));
+        wxLogLastError(wxT("ReleaseCapture"));
     }
 }
 
@@ -932,7 +928,7 @@ void wxWindowMSW::WarpPointer(int x, int y)
 
     if ( !::SetCursorPos(x, y) )
     {
-        wxLogLastError(_T("SetCursorPos"));
+        wxLogLastError(wxT("SetCursorPos"));
     }
 }
 
@@ -988,7 +984,7 @@ inline UINT WXOrientToSB(int orient)
 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));
 }
@@ -1007,7 +1003,7 @@ 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.
-        // wxLogLastError(_T("GetScrollInfo"));
+        // wxLogLastError(wxT("GetScrollInfo"));
     }
     maxPos = scrollInfo.nMax;
 
@@ -1023,7 +1019,7 @@ int wxWindowMSW::GetScrollThumb(int orient) const
 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;
@@ -1152,7 +1148,7 @@ void wxWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
     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);
 
@@ -1168,7 +1164,7 @@ void wxWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
             break;
 
         default:
-            wxFAIL_MSG(_T("unsupported layout direction"));
+            wxFAIL_MSG(wxT("unsupported layout direction"));
             break;
     }
 
@@ -1184,7 +1180,7 @@ wxLayoutDirection wxWindowMSW::GetLayoutDirection() const
 #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;
@@ -1267,7 +1263,9 @@ void wxWindowMSW::AssociateHandle(WXWidget handle)
     if ( m_hWnd )
     {
       if ( !::DestroyWindow(GetHwnd()) )
+      {
         wxLogLastError(wxT("DestroyWindow"));
+      }
     }
 
     WXHWND wxhwnd = (WXHWND)handle;
@@ -1291,7 +1289,7 @@ 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
-    return wxApp::IsRegisteredClassName(str) || str == _T("wxTLWHiddenParent");
+    return wxApp::IsRegisteredClassName(str) || str == wxT("wxTLWHiddenParent");
 }
 
 // ----------------------------------------------------------------------------
@@ -1398,7 +1396,7 @@ void wxWindowMSW::MSWUpdateStyle(long flagsOld, long exflagsOld)
                              0, 0, 0, 0,
                              SWP_NOMOVE | SWP_NOSIZE | SWP_FRAMECHANGED) )
         {
-            wxLogLastError(_T("SetWindowPos"));
+            wxLogLastError(wxT("SetWindowPos"));
         }
     }
 }
@@ -1492,7 +1490,7 @@ WXDWORD wxWindowMSW::MSWGetStyle(long flags, WXDWORD *exstyle) const
         {
             default:
             case wxBORDER_DEFAULT:
-                wxFAIL_MSG( _T("unknown border style") );
+                wxFAIL_MSG( wxT("unknown border style") );
                 // fall through
 
             case wxBORDER_NONE:
@@ -1659,7 +1657,7 @@ void wxWindowMSW::Update()
 {
     if ( !::UpdateWindow(GetHwnd()) )
     {
-        wxLogLastError(_T("UpdateWindow"));
+        wxLogLastError(wxT("UpdateWindow"));
     }
 
 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
@@ -1761,11 +1759,11 @@ void wxWindowMSW::DoSetToolTip(wxToolTip *tooltip)
 
 bool wxWindowMSW::IsSizeDeferred() const
 {
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
     if ( m_pendingPosition != wxDefaultPosition ||
          m_pendingSize     != wxDefaultSize )
         return true;
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
 
     return false;
 }
@@ -1773,7 +1771,7 @@ bool wxWindowMSW::IsSizeDeferred() const
 // Get total size
 void wxWindowMSW::DoGetSize(int *x, int *y) const
 {
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
     // if SetSize() had been called at wx level but not realized at Windows
     // level yet (i.e. EndDeferWindowPos() not called), we still should return
     // the new and not the old position to the other wx code
@@ -1785,7 +1783,7 @@ void wxWindowMSW::DoGetSize(int *x, int *y) const
             *y = m_pendingSize.y;
     }
     else // use current size
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
     {
         RECT rect = wxGetWindowRect(GetHwnd());
 
@@ -1799,7 +1797,7 @@ void wxWindowMSW::DoGetSize(int *x, int *y) const
 // Get size *available for subwindows* i.e. excluding menu bar etc.
 void wxWindowMSW::DoGetClientSize(int *x, int *y) const
 {
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
     if ( m_pendingSize != wxDefaultSize )
     {
         // we need to calculate the client size corresponding to pending size
@@ -1817,7 +1815,7 @@ void wxWindowMSW::DoGetClientSize(int *x, int *y) const
             *y = rect.bottom - rect.top;
     }
     else
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
     {
         RECT rect = wxGetClientRect(GetHwnd());
 
@@ -1918,7 +1916,7 @@ void wxWindowMSW::DoClientToScreen(int *x, int *y) const
 bool
 wxWindowMSW::DoMoveSibling(WXHWND hwnd, int x, int y, int width, int height)
 {
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
     // if our parent had prepared a defer window handle for us, use it (unless
     // we are a top level window)
     wxWindowMSW * const parent = IsTopLevel() ? NULL : GetParent();
@@ -1930,7 +1928,7 @@ wxWindowMSW::DoMoveSibling(WXHWND hwnd, int x, int y, int width, int height)
                                 SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE);
         if ( !hdwp )
         {
-            wxLogLastError(_T("DeferWindowPos"));
+            wxLogLastError(wxT("DeferWindowPos"));
         }
     }
 
@@ -1948,13 +1946,13 @@ wxWindowMSW::DoMoveSibling(WXHWND hwnd, int x, int y, int width, int height)
     }
 
     // otherwise (or if deferring failed) move the window in place immediately
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
     if ( !::MoveWindow((HWND)hwnd, x, y, width, height, IsShown()) )
     {
         wxLogLastError(wxT("MoveWindow"));
     }
 
-    // if USE_DEFERRED_SIZING, indicates that we didn't use deferred move,
+    // if wxUSE_DEFERRED_SIZING, indicates that we didn't use deferred move,
     // ignored otherwise
     return false;
 }
@@ -1970,7 +1968,7 @@ void wxWindowMSW::DoMoveWindow(int x, int y, int width, int height)
 
     if ( DoMoveSibling(m_hWnd, x, y, width, height) )
     {
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
         m_pendingPosition = wxPoint(x, y);
         m_pendingSize = wxSize(width, height);
     }
@@ -1978,7 +1976,7 @@ void wxWindowMSW::DoMoveWindow(int x, int y, int width, int height)
     {
         m_pendingPosition = wxDefaultPosition;
         m_pendingSize = wxDefaultSize;
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
     }
 }
 
@@ -2026,7 +2024,7 @@ void wxWindowMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
     {
         if ( sizeFlags & wxSIZE_AUTO_WIDTH )
         {
-            size = DoGetBestSize();
+            size = GetBestSize();
             width = size.x;
         }
         else
@@ -2042,9 +2040,9 @@ void wxWindowMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
         {
             if ( size.x == wxDefaultCoord )
             {
-                size = DoGetBestSize();
+                size = GetBestSize();
             }
-            //else: already called DoGetBestSize() above
+            //else: already called GetBestSize() above
 
             height = size.y;
         }
@@ -2116,11 +2114,41 @@ void wxWindowMSW::DoSetClientSize(int width, int height)
                            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
 // ---------------------------------------------------------------------------
@@ -2141,13 +2169,14 @@ int wxWindowMSW::GetCharWidth() const
 #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(),
-                    _T("invalid font in GetTextExtent()") );
+                    wxT("invalid font in GetTextExtent()") );
 
     HFONT hfontToUse;
     if ( fontToUse )
@@ -2656,7 +2685,7 @@ LRESULT WXDLLEXPORT APIENTRY _EXPORT wxWndProc(HWND hWnd, UINT message, WPARAM w
     // trace all messages: useful for the debugging but noticeably slows down
     // the code so don't do it by default
 #if wxDEBUG_LEVEL >= 2
-    wxLogTrace(wxTraceMessages,
+    wxLogTrace("winmsg",
                wxT("Processing %s(hWnd=%p, wParam=%08lx, lParam=%08lx)"),
                wxGetMessageName(message), hWnd, (long)wParam, lParam);
 #endif // wxDEBUG_LEVEL >= 2
@@ -2923,7 +2952,7 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
 
                     // this should never happen
                     wxCHECK_MSG( win, 0,
-                                 _T("FindWindowForMouseEvent() returned NULL") );
+                                 wxT("FindWindowForMouseEvent() returned NULL") );
                 }
 #ifdef __POCKETPC__
                 if (IsContextMenuEnabled() && message == WM_LBUTTONDOWN)
@@ -3091,6 +3120,7 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
                     case VK_SUBTRACT:
                     case VK_MULTIPLY:
                     case VK_DIVIDE:
+                    case VK_DECIMAL:
                     case VK_NUMPAD0:
                     case VK_NUMPAD1:
                     case VK_NUMPAD2:
@@ -3419,9 +3449,10 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
                     // now alter the client size making room for drawing a
                     // themed border
                     RECT *rect;
+                    NCCALCSIZE_PARAMS *csparam = NULL;
                     if ( wParam )
                     {
-                        NCCALCSIZE_PARAMS *csparam = (NCCALCSIZE_PARAMS *)lParam;
+                        csparam = (NCCALCSIZE_PARAMS *)lParam;
                         rect = &csparam->rgrc[0];
                     }
                     else
@@ -3444,8 +3475,14 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
                                  &rcClient) == S_OK )
                     {
                         InflateRect(&rcClient, -1, -1);
-                        *rect = rcClient;
-                        rc.result = WVR_REDRAW;
+                        if (wParam)
+                            csparam->rgrc[0] = rcClient;
+                        else
+                            *((RECT*)lParam) = rcClient;
+
+                        // WVR_REDRAW triggers a bug whereby child windows are moved up and left,
+                        // so don't use.
+                        // rc.result = WVR_REDRAW;
                     }
                 }
             }
@@ -3512,7 +3549,7 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
     if ( !processed )
     {
 #if wxDEBUG_LEVEL >= 2
-        wxLogTrace(wxTraceMessages, wxT("Forwarding %s to DefWindowProc."),
+        wxLogTrace("winmsg", wxT("Forwarding %s to DefWindowProc."),
                    wxGetMessageName(message));
 #endif // wxDEBUG_LEVEL >= 2
         rc.result = MSWDefWindowProc(message, wParam, lParam);
@@ -3839,7 +3876,7 @@ bool wxWindowMSW::HandleTooltipNotify(WXUINT code,
 
         if ( !len )
         {
-            wxLogLastError(_T("MultiByteToWideChar()"));
+            wxLogLastError(wxT("MultiByteToWideChar()"));
         }
 
         buf[len] = L'\0';
@@ -4230,7 +4267,7 @@ bool wxWindowMSW::HandlePower(WXWPARAM WXUNUSED_IN_WINCE(wParam),
             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
@@ -4323,7 +4360,7 @@ wxWindowMSW::MSWOnDrawItem(int WXUNUSED_UNLESS_ODRAWN(id),
             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
@@ -4389,7 +4426,7 @@ wxWindowMSW::MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
             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);
@@ -4616,12 +4653,12 @@ 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
-            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,
-                              _T("forgot to update wxBITMAP_STD_COLOURS!") );
+                              wxT("forgot to update wxBITMAP_STD_COLOURS!") );
 
                 wxMemoryDC memDC;
                 memDC.SelectObject(stdColourBitmap);
@@ -4672,9 +4709,13 @@ bool wxWindowMSW::HandlePaint()
 {
     HRGN hRegion = ::CreateRectRgn(0, 0, 0, 0); // Dummy call to get a handle
     if ( !hRegion )
+    {
         wxLogLastError(wxT("CreateRectRgn"));
+    }
     if ( ::GetUpdateRgn(GetHwnd(), hRegion, FALSE) == ERROR )
+    {
         wxLogLastError(wxT("GetUpdateRgn"));
+    }
 
     m_updateRegion = wxRegion((WXHRGN) hRegion);
 
@@ -4713,51 +4754,54 @@ void wxWindowMSW::OnPaint(wxPaintEvent& event)
 
 bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
 {
-    wxDCTemp dc(hdc, GetClientSize());
-    wxDCTempImpl *impl = (wxDCTempImpl*) dc.GetImpl();
+    switch ( GetBackgroundStyle() )
+    {
+        case wxBG_STYLE_ERASE:
+        case wxBG_STYLE_COLOUR:
+            // we need to generate an erase background event
+            {
+                wxDCTemp dc(hdc, GetClientSize());
+                wxDCTempImpl *impl = (wxDCTempImpl*) dc.GetImpl();
 
-    impl->SetHDC(hdc);
-    impl->SetWindow((wxWindow *)this);
+                impl->SetHDC(hdc);
+                impl->SetWindow((wxWindow *)this);
 
-    wxEraseEvent event(m_windowId, &dc);
-    event.SetEventObject(this);
-    bool rc = HandleWindowEvent(event);
+                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);
+                // 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() )
-    {
-        event.Skip();
-        return;
-    }
+                if ( rc )
+                {
+                    // background erased by the user-defined handler
+                    return true;
+                }
+            }
+            // fall through
 
-    if ( GetBackgroundStyle() == wxBG_STYLE_CUSTOM )
-    {
-        // 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_SYSTEM:
+            if ( !DoEraseBackground(hdc) )
+            {
+                // let the default processing to take place if we didn't erase
+                // the background ourselves
+                return false;
+            }
+            break;
 
-    wxDC *dc = event.GetDC();
-    if (!dc) return;
-    wxMSWDCImpl *impl = (wxMSWDCImpl*) dc->GetImpl();
+        case wxBG_STYLE_PAINT:
+        case wxBG_STYLE_TRANSPARENT:
+            // no need to do anything here at all, background will be entirely
+            // redrawn in WM_PAINT handler
+            break;
 
-    // do default background painting
-    if ( !DoEraseBackground(GetHdcOf(*impl)) )
-    {
-        // let the system paint the background
-        event.Skip();
+        default:
+            wxFAIL_MSG( "unknown background style" );
     }
+
+    return true;
 }
 
 bool wxWindowMSW::DoEraseBackground(WXHDC hDC)
@@ -4914,7 +4958,7 @@ bool wxWindowMSW::HandleExitSizeMove()
 
 bool wxWindowMSW::HandleSize(int WXUNUSED(w), int WXUNUSED(h), WXUINT wParam)
 {
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
     // when we resize this window, its children are probably going to be
     // repositioned as well, prepare to use DeferWindowPos() for them
     int numChildren = 0;
@@ -4935,20 +4979,20 @@ bool wxWindowMSW::HandleSize(int WXUNUSED(w), int WXUNUSED(h), WXUINT wParam)
             m_hDWP = (WXHANDLE)::BeginDeferWindowPos(numChildren);
             if ( !m_hDWP )
             {
-                wxLogLastError(_T("BeginDeferWindowPos"));
+                wxLogLastError(wxT("BeginDeferWindowPos"));
             }
             if (m_hDWP)
                 useDefer = true;
         }
     }
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
 
     // update this window size
     bool processed = false;
     switch ( wParam )
     {
         default:
-            wxFAIL_MSG( _T("unexpected WM_SIZE parameter") );
+            wxFAIL_MSG( wxT("unexpected WM_SIZE parameter") );
             // fall through nevertheless
 
         case SIZE_MAXHIDE:
@@ -4974,7 +5018,7 @@ bool wxWindowMSW::HandleSize(int WXUNUSED(w), int WXUNUSED(h), WXUINT wParam)
             processed = HandleWindowEvent(event);
     }
 
-#if USE_DEFERRED_SIZING
+#if wxUSE_DEFERRED_SIZING
     // and finally change the positions of all child windows at once
     if ( useDefer && m_hDWP )
     {
@@ -4988,7 +5032,7 @@ bool wxWindowMSW::HandleSize(int WXUNUSED(w), int WXUNUSED(h), WXUINT wParam)
         // 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.
@@ -4996,12 +5040,11 @@ bool wxWindowMSW::HandleSize(int WXUNUSED(w), int WXUNUSED(h), WXUINT wParam)
               node;
               node = node->GetNext() )
         {
-            wxWindowMSW *child = node->GetData();
-            child->m_pendingPosition = wxDefaultPosition;
-            child->m_pendingSize = wxDefaultSize;
+            wxWindowMSW * const child = node->GetData();
+            child->MSWEndDeferWindowPos();
         }
     }
-#endif // USE_DEFERRED_SIZING
+#endif // wxUSE_DEFERRED_SIZING
 
     return processed;
 }
@@ -5184,7 +5227,7 @@ void wxWindowMSW::InitMouseEvent(wxMouseEvent& event,
 // 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
@@ -5308,11 +5351,11 @@ bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
             {
                 // 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)
-                        dllComCtl32.RawGetSymbol(_T("_TrackMouseEvent"));
+                        dllComCtl32.RawGetSymbol(wxT("_TrackMouseEvent"));
                 }
 
                 s_initDone = true;
@@ -5394,7 +5437,7 @@ bool wxWindowMSW::HandleMouseWheel(WXWPARAM wParam, WXLPARAM lParam)
                                      &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;
@@ -5437,7 +5480,7 @@ void wxWindowMSW::GenerateMouseLeave()
     if ( !::GetCursorPos(&pt) )
 #endif
     {
-        wxLogLastError(_T("GetCursorPos"));
+        wxLogLastError(wxT("GetCursorPos"));
     }
 
     // we need to have client coordinates here for symmetry with
@@ -5602,13 +5645,13 @@ int wxWindowMSW::HandleMenuChar(int WXUNUSED_IN_WINCE(chAccel),
                 //  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++ )
                 {
-                    if ( *p == _T('&') )
+                    if ( *p == wxT('&') )
                     {
                         // 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
                     {
@@ -5631,7 +5674,7 @@ 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
-            wxLogLastError(_T("GetMenuItemInfo"));
+            wxLogLastError(wxT("GetMenuItemInfo"));
         }
     }
 #endif
@@ -5805,7 +5848,7 @@ bool wxWindowMSW::MSWOnScroll(int orientation, WXWORD wParam,
                                   &scrollInfo) )
             {
                 // Not necessarily an error, if there are no scrollbars yet.
-                // wxLogLastError(_T("GetScrollInfo"));
+                // wxLogLastError(wxT("GetScrollInfo"));
             }
 
             event.SetPosition(scrollInfo.nTrackPos);
@@ -5831,7 +5874,7 @@ bool wxWindowMSW::MSWOnScroll(int orientation, WXWORD wParam,
 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;
@@ -5842,7 +5885,7 @@ wxWindowMSW::MSWUnregisterMessageHandler(int msg, MSWMessageHandler 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);
 }
@@ -6348,7 +6391,7 @@ void wxSetKeyboardHook(bool doIt)
                               );
         if ( !wxTheKeyboardHook )
         {
-            wxLogLastError(_T("SetWindowsHookEx(wxKeyboardHook)"));
+            wxLogLastError(wxT("SetWindowsHookEx(wxKeyboardHook)"));
         }
     }
     else // uninstall
@@ -6909,10 +6952,10 @@ static void WinCEUnregisterHotKey(int modifiers, int id)
     typedef BOOL (WINAPI *UnregisterFunc1Proc)(UINT, UINT);
 
     UnregisterFunc1Proc procUnregisterFunc;
-    hCoreDll = LoadLibrary(_T("coredll.dll"));
+    hCoreDll = LoadLibrary(wxT("coredll.dll"));
     if (hCoreDll)
     {
-        procUnregisterFunc = (UnregisterFunc1Proc)GetProcAddress(hCoreDll, _T("UnregisterFunc1"));
+        procUnregisterFunc = (UnregisterFunc1Proc)GetProcAddress(hCoreDll, wxT("UnregisterFunc1"));
         if (procUnregisterFunc)
             procUnregisterFunc(modifiers, id);
         FreeLibrary(hCoreDll);
@@ -6940,7 +6983,7 @@ bool wxWindowMSW::RegisterHotKey(int hotkeyId, int modifiers, int keycode)
 
     if ( !::RegisterHotKey(GetHwnd(), hotkeyId, win_modifiers, keycode) )
     {
-        wxLogLastError(_T("RegisterHotKey"));
+        wxLogLastError(wxT("RegisterHotKey"));
 
         return false;
     }
@@ -6956,7 +6999,7 @@ bool wxWindowMSW::UnregisterHotKey(int hotkeyId)
 
     if ( !::UnregisterHotKey(GetHwnd(), hotkeyId) )
     {
-        wxLogLastError(_T("UnregisterHotKey"));
+        wxLogLastError(wxT("UnregisterHotKey"));
 
         return false;
     }
@@ -7009,7 +7052,7 @@ public:
 
         if ( !ms_hMsgHookProc )
         {
-            wxLogLastError(_T("SetWindowsHookEx(WH_GETMESSAGE)"));
+            wxLogLastError(wxT("SetWindowsHookEx(WH_GETMESSAGE)"));
 
             return false;
         }