]> git.saurik.com Git - wxWidgets.git/blobdiff - src/msw/window.cpp
setting clipping correctly
[wxWidgets.git] / src / msw / window.cpp
index 8934f9ac74f3a0241c744503b59e418138036f08..7f55f0db5bc6ce10aa7a20d22e3c82ea7ba84fee 100644 (file)
@@ -28,6 +28,8 @@
 
 #ifndef WX_PRECOMP
     #include "wx/msw/wrapwin.h"
 
 #ifndef WX_PRECOMP
     #include "wx/msw/wrapwin.h"
+    #include "wx/msw/wrapcctl.h" // include <commctrl.h> "properly"
+    #include "wx/msw/missing.h"
     #include "wx/accel.h"
     #include "wx/menu.h"
     #include "wx/dc.h"
     #include "wx/accel.h"
     #include "wx/menu.h"
     #include "wx/dc.h"
@@ -46,6 +48,9 @@
     #include "wx/sizer.h"
     #include "wx/intl.h"
     #include "wx/log.h"
     #include "wx/sizer.h"
     #include "wx/intl.h"
     #include "wx/log.h"
+    #include "wx/textctrl.h"
+    #include "wx/menuitem.h"
+    #include "wx/module.h"
 #endif
 
 #if wxUSE_OWNER_DRAWN && !defined(__WXUNIVERSAL__)
 #endif
 
 #if wxUSE_OWNER_DRAWN && !defined(__WXUNIVERSAL__)
@@ -53,7 +58,6 @@
 #endif
 
 #include "wx/evtloop.h"
 #endif
 
 #include "wx/evtloop.h"
-#include "wx/module.h"
 #include "wx/power.h"
 #include "wx/sysopt.h"
 
 #include "wx/power.h"
 #include "wx/sysopt.h"
 
@@ -73,8 +77,6 @@
     #endif
 #endif
 
     #endif
 #endif
 
-#include "wx/menuitem.h"
-
 #include "wx/msw/private.h"
 
 #if wxUSE_TOOLTIPS
 #include "wx/msw/private.h"
 
 #if wxUSE_TOOLTIPS
@@ -89,7 +91,6 @@
     #include "wx/spinctrl.h"
 #endif // wxUSE_SPINCTRL
 
     #include "wx/spinctrl.h"
 #endif // wxUSE_SPINCTRL
 
-#include "wx/textctrl.h"
 #include "wx/notebook.h"
 #include "wx/listctrl.h"
 
 #include "wx/notebook.h"
 #include "wx/listctrl.h"
 
     #include <windowsx.h>
 #endif
 
     #include <windowsx.h>
 #endif
 
-// include <commctrl.h> "properly"
-#include "wx/msw/wrapcctl.h"
-
-#ifndef __WXWINCE__
+#if !defined __WXWINCE__ && !defined NEED_PBT_H
     #include <pbt.h>
 #endif
 
     #include <pbt.h>
 #endif
 
-#include "wx/msw/missing.h"
-
 #if defined(__WXWINCE__)
     #include "wx/msw/wince/missing.h"
 #ifdef __POCKETPC__
 #if defined(__WXWINCE__)
     #include "wx/msw/wince/missing.h"
 #ifdef __POCKETPC__
@@ -830,7 +826,7 @@ void wxWindowMSW::MSWUpdateUIState(int action, int state)
     if ( s_needToUpdate == -1 )
     {
         int verMaj, verMin;
     if ( s_needToUpdate == -1 )
     {
         int verMaj, verMin;
-        s_needToUpdate = wxGetOsVersion(&verMaj, &verMin) == wxWINDOWS_NT &&
+        s_needToUpdate = wxGetOsVersion(&verMaj, &verMin) == wxOS_WINDOWS_NT &&
                             verMaj >= 5;
     }
 
                             verMaj >= 5;
     }
 
@@ -1019,6 +1015,67 @@ bool wxWindowMSW::ScrollPages(int pages)
                             down ? pages : -pages);
 }
 
                             down ? pages : -pages);
 }
 
+// ----------------------------------------------------------------------------
+// RTL support
+// ----------------------------------------------------------------------------
+
+void wxWindowMSW::SetLayoutDirection(wxLayoutDirection dir)
+{
+#ifdef __WXWINCE__
+    wxUnusedVar(dir);
+#else
+    const HWND hwnd = GetHwnd();
+    wxCHECK_RET( hwnd, _T("layout direction must be set after window creation") );
+
+    LONG styleOld = ::GetWindowLong(hwnd, GWL_EXSTYLE);
+
+    LONG styleNew = styleOld;
+    switch ( dir )
+    {
+        case wxLayout_LeftToRight:
+            styleNew &= ~WS_EX_LAYOUTRTL;
+            break;
+
+        case wxLayout_RightToLeft:
+            styleNew |= WS_EX_LAYOUTRTL;
+            break;
+
+        default:
+            wxFAIL_MSG(_T("unsupported layout direction"));
+            break;
+    }
+
+    if ( styleNew != styleOld )
+    {
+        ::SetWindowLong(hwnd, GWL_EXSTYLE, styleNew);
+    }
+#endif
+}
+
+wxLayoutDirection wxWindowMSW::GetLayoutDirection() const
+{
+#ifdef __WXWINCE__
+    return wxLayout_Default;
+#else
+    const HWND hwnd = GetHwnd();
+    wxCHECK_MSG( hwnd, wxLayout_Default, _T("invalid window") );
+
+    return ::GetWindowLong(hwnd, GWL_EXSTYLE) & WS_EX_LAYOUTRTL
+                ? wxLayout_RightToLeft
+                : wxLayout_LeftToRight;
+#endif
+}
+
+wxCoord
+wxWindowMSW::AdjustForLayoutDirection(wxCoord x,
+                                      wxCoord WXUNUSED(width),
+                                      wxCoord WXUNUSED(widthTotal)) const
+{
+    // Win32 mirrors the coordinates of RTL windows automatically, so don't
+    // redo it ourselves
+    return x;
+}
+
 // ---------------------------------------------------------------------------
 // subclassing
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // subclassing
 // ---------------------------------------------------------------------------
@@ -1147,6 +1204,25 @@ void wxWindowMSW::SetWindowStyleFlag(long flags)
     // update the internal variable
     wxWindowBase::SetWindowStyleFlag(flags);
 
     // update the internal variable
     wxWindowBase::SetWindowStyleFlag(flags);
 
+    // and the real window flags
+    MSWUpdateStyle(flagsOld, GetExtraStyle());
+}
+
+void wxWindowMSW::SetExtraStyle(long exflags)
+{
+    long exflagsOld = GetExtraStyle();
+    if ( exflags == exflagsOld )
+        return;
+
+    // update the internal variable
+    wxWindowBase::SetExtraStyle(exflags);
+
+    // and the real window flags
+    MSWUpdateStyle(GetWindowStyleFlag(), exflagsOld);
+}
+
+void wxWindowMSW::MSWUpdateStyle(long flagsOld, long exflagsOld)
+{
     // now update the Windows style as well if needed - and if the window had
     // been already created
     if ( !GetHwnd() )
     // now update the Windows style as well if needed - and if the window had
     // been already created
     if ( !GetHwnd() )
@@ -1155,9 +1231,21 @@ void wxWindowMSW::SetWindowStyleFlag(long flags)
     // we may need to call SetWindowPos() when we change some styles
     bool callSWP = false;
 
     // we may need to call SetWindowPos() when we change some styles
     bool callSWP = false;
 
-    WXDWORD exstyle, exstyleOld;
-    long style = MSWGetStyle(flags, &exstyle),
-         styleOld = MSWGetStyle(flagsOld, &exstyleOld);
+    WXDWORD exstyle;
+    long style = MSWGetStyle(GetWindowStyleFlag(), &exstyle);
+
+    // this is quite a horrible hack but we need it because MSWGetStyle()
+    // doesn't take exflags as parameter but uses GetExtraStyle() internally
+    // and so we have to modify the window exflags temporarily to get the
+    // correct exstyleOld
+    long exflagsNew = GetExtraStyle();
+    wxWindowBase::SetExtraStyle(exflagsOld);
+
+    WXDWORD exstyleOld;
+    long styleOld = MSWGetStyle(flagsOld, &exstyleOld);
+
+    wxWindowBase::SetExtraStyle(exflagsNew);
+
 
     if ( style != styleOld )
     {
 
     if ( style != styleOld )
     {
@@ -1171,14 +1259,8 @@ void wxWindowMSW::SetWindowStyleFlag(long flags)
 
         ::SetWindowLong(GetHwnd(), GWL_STYLE, styleReal);
 
 
         ::SetWindowLong(GetHwnd(), GWL_STYLE, styleReal);
 
-        // If any of the style changes changed any of the frame styles:
-        // MSDN: SetWindowLong:
-        //       Certain window data is cached, so changes you make using
-        //       SetWindowLong will not take effect until you call the
-        //       SetWindowPos function. Specifically, if you change any of
-        //       the frame styles, you must call SetWindowPos with the
-        //       SWP_FRAMECHANGED flag for the cache to be updated properly.
-
+        // we need to call SetWindowPos() if any of the styles affecting the
+        // frame appearance have changed
         callSWP = ((styleOld ^ style ) & (WS_BORDER |
                                       WS_THICKFRAME |
                                       WS_CAPTION |
         callSWP = ((styleOld ^ style ) & (WS_BORDER |
                                       WS_THICKFRAME |
                                       WS_CAPTION |
@@ -1543,6 +1625,7 @@ bool wxWindowMSW::IsSizeDeferred() const
 // Get total size
 void wxWindowMSW::DoGetSize(int *x, int *y) const
 {
 // Get total size
 void wxWindowMSW::DoGetSize(int *x, int *y) const
 {
+#if USE_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
     // 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
@@ -1554,6 +1637,7 @@ void wxWindowMSW::DoGetSize(int *x, int *y) const
             *y = m_pendingSize.y;
     }
     else // use current size
             *y = m_pendingSize.y;
     }
     else // use current size
+#endif // USE_DEFERRED_SIZING
     {
         RECT rect = wxGetWindowRect(GetHwnd());
 
     {
         RECT rect = wxGetWindowRect(GetHwnd());
 
@@ -1568,21 +1652,9 @@ void wxWindowMSW::DoGetSize(int *x, int *y) const
 void wxWindowMSW::DoGetClientSize(int *x, int *y) const
 {
 #if USE_DEFERRED_SIZING
 void wxWindowMSW::DoGetClientSize(int *x, int *y) const
 {
 #if USE_DEFERRED_SIZING
-    if ( IsTopLevel() || m_pendingSize == wxDefaultSize )
-#endif
-    {        // top level windows resizing is never deferred, so we can safely use
-        // the current size here
-        RECT rect = wxGetClientRect(GetHwnd());
-
-        if ( x )
-            *x = rect.right;
-        if ( y )
-            *y = rect.bottom;
-    }
-#if USE_DEFERRED_SIZING
-    else // non top level and using deferred sizing
+    if ( m_pendingSize != wxDefaultSize )
     {
     {
-        // we need to calculate the *pending* client size here
+        // we need to calculate the client size corresponding to pending size
         RECT rect;
         rect.left = m_pendingPosition.x;
         rect.top = m_pendingPosition.y;
         RECT rect;
         rect.left = m_pendingPosition.x;
         rect.top = m_pendingPosition.y;
@@ -1596,7 +1668,16 @@ void wxWindowMSW::DoGetClientSize(int *x, int *y) const
         if ( y )
             *y = rect.bottom - rect.top;
     }
         if ( y )
             *y = rect.bottom - rect.top;
     }
-#endif
+    else
+#endif // USE_DEFERRED_SIZING
+    {
+        RECT rect = wxGetClientRect(GetHwnd());
+
+        if ( x )
+            *x = rect.right;
+        if ( y )
+            *y = rect.bottom;
+    }
 }
 
 void wxWindowMSW::DoGetPosition(int *x, int *y) const
 }
 
 void wxWindowMSW::DoGetPosition(int *x, int *y) const
@@ -1620,6 +1701,13 @@ void wxWindowMSW::DoGetPosition(int *x, int *y) const
         // children, not for the dialogs/frames
         if ( !IsTopLevel() )
         {
         // children, not for the dialogs/frames
         if ( !IsTopLevel() )
         {
+            if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
+            {
+                // In RTL mode, we want the logical left x-coordinate,
+                // which would be the physical right x-coordinate.
+                point.x = rect.right;
+            }
+
             // Since we now have the absolute screen coords, if there's a
             // parent we must subtract its top left corner
             if ( parent )
             // Since we now have the absolute screen coords, if there's a
             // parent we must subtract its top left corner
             if ( parent )
@@ -2033,18 +2121,14 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
             // WM_GETDLGCODE: ask the control if it wants the key for itself,
             // don't process it if it's the case (except for Ctrl-Tab/Enter
             // combinations which are always processed)
             // WM_GETDLGCODE: ask the control if it wants the key for itself,
             // don't process it if it's the case (except for Ctrl-Tab/Enter
             // combinations which are always processed)
-            LONG lDlgCode = 0;
-            if ( !bCtrlDown )
-            {
-                lDlgCode = ::SendMessage(msg->hwnd, WM_GETDLGCODE, 0, 0);
+            LONG lDlgCode = ::SendMessage(msg->hwnd, WM_GETDLGCODE, 0, 0);
 
 
-                // surprizingly, DLGC_WANTALLKEYS bit mask doesn't contain the
-                // DLGC_WANTTAB nor DLGC_WANTARROWS bits although, logically,
-                // it, of course, implies them
-                if ( lDlgCode & DLGC_WANTALLKEYS )
-                {
-                    lDlgCode |= DLGC_WANTTAB | DLGC_WANTARROWS;
-                }
+            // surprizingly, DLGC_WANTALLKEYS bit mask doesn't contain the
+            // DLGC_WANTTAB nor DLGC_WANTARROWS bits although, logically,
+            // it, of course, implies them
+            if ( lDlgCode & DLGC_WANTALLKEYS )
+            {
+                lDlgCode |= DLGC_WANTTAB | DLGC_WANTARROWS;
             }
 
             bool bForward = true,
             }
 
             bool bForward = true,
@@ -2081,18 +2165,34 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
                         bProcess = false;
                     break;
 
                         bProcess = false;
                     break;
 
+                case VK_PRIOR:
+                    bForward = false;
+                    // fall through
+
+                case VK_NEXT:
+                    // we treat PageUp/Dn as arrows because chances are that
+                    // a control which needs arrows also needs them for
+                    // navigation (e.g. wxTextCtrl, wxListCtrl, ...)
+                    if ( (lDlgCode & DLGC_WANTARROWS) || !bCtrlDown )
+                        bProcess = false;
+                    else
+                        bWindowChange = true;
+                    break;
+
                 case VK_RETURN:
                     {
                         if ( (lDlgCode & DLGC_WANTMESSAGE) && !bCtrlDown )
                         {
                             // control wants to process Enter itself, don't
                 case VK_RETURN:
                     {
                         if ( (lDlgCode & DLGC_WANTMESSAGE) && !bCtrlDown )
                         {
                             // control wants to process Enter itself, don't
-                            // call IsDialogMessage() which would interpret
-                            // it
+                            // call IsDialogMessage() which would consume it
                             return false;
                         }
 
                             return false;
                         }
 
+#if wxUSE_BUTTON
                         // currently active button should get enter press even
                         // currently active button should get enter press even
-                        // if there is a default button elsewhere
+                        // if there is a default button elsewhere so check if
+                        // this window is a button first
+                        wxWindow *btn = NULL;
                         if ( lDlgCode & DLGC_DEFPUSHBUTTON )
                         {
                             // let IsDialogMessage() handle this for all
                         if ( lDlgCode & DLGC_DEFPUSHBUTTON )
                         {
                             // let IsDialogMessage() handle this for all
@@ -2102,56 +2202,38 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
                             if ( (style & BS_OWNERDRAW) == BS_OWNERDRAW )
                             {
                                 // emulate the button click
                             if ( (style & BS_OWNERDRAW) == BS_OWNERDRAW )
                             {
                                 // emulate the button click
-                                wxWindow *
-                                    btn = wxFindWinFromHandle((WXHWND)msg->hwnd);
-                                if ( btn )
-                                    btn->MSWCommand(BN_CLICKED, 0 /* unused */);
+                                btn = wxFindWinFromHandle((WXHWND)msg->hwnd);
                             }
 
                             bProcess = false;
                         }
                             }
 
                             bProcess = false;
                         }
-                        else // not a button itself
+                        else // not a button itself, do we have default button?
                         {
                         {
-#if wxUSE_BUTTON
-                            wxButton *btn = wxDynamicCast(GetDefaultItem(),
-                                                          wxButton);
-                            if ( btn && btn->IsEnabled() )
+                            wxTopLevelWindow *
+                                tlw = wxDynamicCast(wxGetTopLevelParent(this),
+                                                    wxTopLevelWindow);
+                            if ( tlw )
                             {
                             {
-                                // if we do have a default button, do press it
-                                btn->MSWCommand(BN_CLICKED, 0 /* unused */);
-
-                                return true;
+                                btn = wxDynamicCast(tlw->GetDefaultItem(),
+                                                    wxButton);
                             }
                             }
-                            else // no default button
+                        }
+
+                        if ( btn && btn->IsEnabled() )
+                        {
+                            btn->MSWCommand(BN_CLICKED, 0 /* unused */);
+                            return true;
+                        }
+
 #endif // wxUSE_BUTTON
 #endif // wxUSE_BUTTON
-                            {
+
 #ifdef __WXWINCE__
 #ifdef __WXWINCE__
-                                wxJoystickEvent event(wxEVT_JOY_BUTTON_DOWN);
-                                event.SetEventObject(this);
-                                if(GetEventHandler()->ProcessEvent(event))
-                                    return true;
-#endif
-                                // this is a quick and dirty test for a text
-                                // control
-                                if ( !(lDlgCode & DLGC_HASSETSEL) )
-                                {
-                                    // don't process Enter, the control might
-                                    // need it for itself and don't let
-                                    // ::IsDialogMessage() have it as it can
-                                    // eat the Enter events sometimes
-                                    return false;
-                                }
-                                else if (!IsTopLevel())
-                                {
-                                    // if not a top level window, let parent
-                                    // handle it
-                                    return false;
-                                }
-                                //else: treat Enter as TAB: pass to the next
-                                //      control as this is the best thing to do
-                                //      if the text doesn't handle Enter itself
-                            }
-                        }
+                        // map Enter presses into button presses on PDAs
+                        wxJoystickEvent event(wxEVT_JOY_BUTTON_DOWN);
+                        event.SetEventObject(this);
+                        if ( GetEventHandler()->ProcessEvent(event) )
+                            return true;
+#endif // __WXWINCE__
                     }
                     break;
 
                     }
                     break;
 
@@ -2179,90 +2261,10 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
             }
         }
 
             }
         }
 
-        // don't let IsDialogMessage() get VK_ESCAPE as it _always_ eats the
-        // message even when there is no cancel button and when the message is
-        // needed by the control itself: in particular, it prevents the tree in
-        // place edit control from being closed with Escape in a dialog
-        if ( msg->message != WM_KEYDOWN || msg->wParam != VK_ESCAPE )
+        if ( ::IsDialogMessage(GetHwnd(), msg) )
         {
         {
-            // ::IsDialogMessage() is broken and may sometimes hang the
-            // application by going into an infinite loop, so we try to detect
-            // [some of] the situations when this may happen and not call it
-            // then
-
-            // assume we can call it by default
-            bool canSafelyCallIsDlgMsg = true;
-
-            HWND hwndFocus = ::GetFocus();
-
-            // if the currently focused window itself has WS_EX_CONTROLPARENT style, ::IsDialogMessage() will also enter
-            // an infinite loop, because it will recursively check the child
-            // windows but not the window itself and so if none of the children
-            // accepts focus it loops forever (as it only stops when it gets
-            // back to the window it started from)
-            //
-            // while it is very unusual that a window with WS_EX_CONTROLPARENT
-            // style has the focus, it can happen. One such possibility is if
-            // all windows are either toplevel, wxDialog, wxPanel or static
-            // controls and no window can actually accept keyboard input.
-#if !defined(__WXWINCE__)
-            if ( ::GetWindowLong(hwndFocus, GWL_EXSTYLE) & WS_EX_CONTROLPARENT )
-            {
-                // pessimistic by default
-                canSafelyCallIsDlgMsg = false;
-                for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
-                      node;
-                      node = node->GetNext() )
-                {
-                    wxWindow * const win = node->GetData();
-                    if ( win->AcceptsFocus() &&
-                            !(::GetWindowLong(GetHwndOf(win), GWL_EXSTYLE) &
-                                WS_EX_CONTROLPARENT) )
-                    {
-                        // it shouldn't hang...
-                        canSafelyCallIsDlgMsg = true;
-
-                        break;
-                    }
-                }
-            }
-#endif // !__WXWINCE__
-
-            if ( canSafelyCallIsDlgMsg )
-            {
-                // ::IsDialogMessage() can enter in an infinite loop when the
-                // currently focused window is disabled or hidden and its
-                // parent has WS_EX_CONTROLPARENT style, so don't call it in
-                // this case
-                while ( hwndFocus )
-                {
-                    if ( !::IsWindowEnabled(hwndFocus) ||
-                            !::IsWindowVisible(hwndFocus) )
-                    {
-                        // it would enter an infinite loop if we do this!
-                        canSafelyCallIsDlgMsg = false;
-
-                        break;
-                    }
-
-                    if ( !(::GetWindowLong(hwndFocus, GWL_STYLE) & WS_CHILD) )
-                    {
-                        // it's a top level window, don't go further -- e.g. even
-                        // if the parent of a dialog is disabled, this doesn't
-                        // break navigation inside the dialog
-                        break;
-                    }
-
-                    hwndFocus = ::GetParent(hwndFocus);
-                }
-            }
-
-            // let IsDialogMessage() have the message if it's safe to call it
-            if ( canSafelyCallIsDlgMsg && ::IsDialogMessage(GetHwnd(), msg) )
-            {
-                // IsDialogMessage() did something...
-                return true;
-            }
+            // IsDialogMessage() did something...
+            return true;
         }
     }
 #endif // __WXUNIVERSAL__
         }
     }
 #endif // __WXUNIVERSAL__
@@ -2290,10 +2292,96 @@ bool wxWindowMSW::MSWTranslateMessage(WXMSG* pMsg)
 #endif // wxUSE_ACCEL
 }
 
 #endif // wxUSE_ACCEL
 }
 
-bool wxWindowMSW::MSWShouldPreProcessMessage(WXMSG* WXUNUSED(pMsg))
+bool wxWindowMSW::MSWShouldPreProcessMessage(WXMSG* msg)
 {
 {
-    // preprocess all messages by default
-    return true;
+    // all tests below have to deal with various bugs/misfeatures of
+    // IsDialogMessage(): we have to prevent it from being called from our
+    // MSWProcessMessage() in some situations
+
+    // don't let IsDialogMessage() get VK_ESCAPE as it _always_ eats the
+    // message even when there is no cancel button and when the message is
+    // needed by the control itself: in particular, it prevents the tree in
+    // place edit control from being closed with Escape in a dialog
+    if ( msg->message == WM_KEYDOWN && msg->wParam == VK_ESCAPE )
+    {
+        return false;
+    }
+
+    // ::IsDialogMessage() is broken and may sometimes hang the application by
+    // going into an infinite loop when it tries to find the control to give
+    // focus to when Alt-<key> is pressed, so we try to detect [some of] the
+    // situations when this may happen and not call it then
+    if ( msg->message != WM_SYSCHAR )
+        return true;
+
+    // assume we can call it by default
+    bool canSafelyCallIsDlgMsg = true;
+
+    HWND hwndFocus = ::GetFocus();
+
+    // if the currently focused window itself has WS_EX_CONTROLPARENT style,
+    // ::IsDialogMessage() will also enter an infinite loop, because it will
+    // recursively check the child windows but not the window itself and so if
+    // none of the children accepts focus it loops forever (as it only stops
+    // when it gets back to the window it started from)
+    //
+    // while it is very unusual that a window with WS_EX_CONTROLPARENT
+    // style has the focus, it can happen. One such possibility is if
+    // all windows are either toplevel, wxDialog, wxPanel or static
+    // controls and no window can actually accept keyboard input.
+#if !defined(__WXWINCE__)
+    if ( ::GetWindowLong(hwndFocus, GWL_EXSTYLE) & WS_EX_CONTROLPARENT )
+    {
+        // pessimistic by default
+        canSafelyCallIsDlgMsg = false;
+        for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+              node;
+              node = node->GetNext() )
+        {
+            wxWindow * const win = node->GetData();
+            if ( win->AcceptsFocus() &&
+                    !(::GetWindowLong(GetHwndOf(win), GWL_EXSTYLE) &
+                        WS_EX_CONTROLPARENT) )
+            {
+                // it shouldn't hang...
+                canSafelyCallIsDlgMsg = true;
+
+                break;
+            }
+        }
+    }
+#endif // !__WXWINCE__
+
+    if ( canSafelyCallIsDlgMsg )
+    {
+        // ::IsDialogMessage() can enter in an infinite loop when the
+        // currently focused window is disabled or hidden and its
+        // parent has WS_EX_CONTROLPARENT style, so don't call it in
+        // this case
+        while ( hwndFocus )
+        {
+            if ( !::IsWindowEnabled(hwndFocus) ||
+                    !::IsWindowVisible(hwndFocus) )
+            {
+                // it would enter an infinite loop if we do this!
+                canSafelyCallIsDlgMsg = false;
+
+                break;
+            }
+
+            if ( !(::GetWindowLong(hwndFocus, GWL_STYLE) & WS_CHILD) )
+            {
+                // it's a top level window, don't go further -- e.g. even
+                // if the parent of a dialog is disabled, this doesn't
+                // break navigation inside the dialog
+                break;
+            }
+
+            hwndFocus = ::GetParent(hwndFocus);
+        }
+    }
+
+    return canSafelyCallIsDlgMsg;
 }
 
 // ---------------------------------------------------------------------------
 }
 
 // ---------------------------------------------------------------------------
@@ -3000,50 +3088,48 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
 #if defined(WM_HELP)
         case WM_HELP:
             {
 #if defined(WM_HELP)
         case WM_HELP:
             {
-                // HELPINFO doesn't seem to be supported on WinCE.
+                // by default, WM_HELP is propagated by DefWindowProc() upwards
+                // to the window parent but as we do it ourselves already
+                // (wxHelpEvent is derived from wxCommandEvent), we don't want
+                // to get the other events if we process this message at all
+                processed = true;
+
+                // WM_HELP doesn't use lParam under CE
 #ifndef __WXWINCE__
                 HELPINFO* info = (HELPINFO*) lParam;
 #ifndef __WXWINCE__
                 HELPINFO* info = (HELPINFO*) lParam;
-                // Don't yet process menu help events, just windows
-                if (info->iContextType == HELPINFO_WINDOW)
+                if ( info->iContextType == HELPINFO_WINDOW )
                 {
                 {
-#endif
-                    wxWindowMSW* subjectOfHelp = this;
-                    bool eventProcessed = false;
-                    while (subjectOfHelp && !eventProcessed)
-                    {
-                        wxHelpEvent helpEvent(wxEVT_HELP,
-                                              subjectOfHelp->GetId(),
+#endif // !__WXWINCE__
+                    wxHelpEvent helpEvent
+                                (
+                                    wxEVT_HELP,
+                                    GetId(),
 #ifdef __WXWINCE__
 #ifdef __WXWINCE__
-                                              wxPoint(0,0)
+                                    wxGetMousePosition() // what else?
 #else
 #else
-                                              wxPoint(info->MousePos.x, info->MousePos.y)
+                                    wxPoint(info->MousePos.x, info->MousePos.y)
 #endif
 #endif
-                                              );
-
-                        helpEvent.SetEventObject(this);
-                        eventProcessed =
-                            GetEventHandler()->ProcessEvent(helpEvent);
+                                );
 
 
-                        // Go up the window hierarchy until the event is
-                        // handled (or not)
-                        subjectOfHelp = subjectOfHelp->GetParent();
-                    }
-
-                    processed = eventProcessed;
+                    helpEvent.SetEventObject(this);
+                    GetEventHandler()->ProcessEvent(helpEvent);
 #ifndef __WXWINCE__
                 }
 #ifndef __WXWINCE__
                 }
-                else if (info->iContextType == HELPINFO_MENUITEM)
+                else if ( info->iContextType == HELPINFO_MENUITEM )
                 {
                     wxHelpEvent helpEvent(wxEVT_HELP, info->iCtrlId);
                     helpEvent.SetEventObject(this);
                 {
                     wxHelpEvent helpEvent(wxEVT_HELP, info->iCtrlId);
                     helpEvent.SetEventObject(this);
-                    processed = GetEventHandler()->ProcessEvent(helpEvent);
+                    GetEventHandler()->ProcessEvent(helpEvent);
 
                 }
 
                 }
-                //else: processed is already false
-#endif
+                else // unknown help event?
+                {
+                    processed = false;
+                }
+#endif // !__WXWINCE__
             }
             break;
             }
             break;
-#endif
+#endif // WM_HELP
 
 #if !defined(__WXWINCE__)
         case WM_CONTEXTMENU:
 
 #if !defined(__WXWINCE__)
         case WM_CONTEXTMENU:
@@ -3393,7 +3479,7 @@ bool wxWindowMSW::HandleTooltipNotify(WXUINT code,
         // Truncate tooltip length if needed as otherwise we might not have
         // enough space for it in the buffer and MultiByteToWideChar() would
         // return an error
         // Truncate tooltip length if needed as otherwise we might not have
         // enough space for it in the buffer and MultiByteToWideChar() would
         // return an error
-        size_t tipLength = wxMin(ttip.Len(), WXSIZEOF(buf) - 1);
+        size_t tipLength = wxMin(ttip.length(), WXSIZEOF(buf) - 1);
 
         // Convert to WideChar without adding the NULL character. The NULL
         // character is added afterwards (this is more efficient).
 
         // Convert to WideChar without adding the NULL character. The NULL
         // character is added afterwards (this is more efficient).
@@ -3825,6 +3911,9 @@ bool wxWindowMSW::HandlePower(WXWPARAM WXUNUSED_IN_WINCE(wParam),
             break;
 
         case PBT_APMRESUMESUSPEND:
             break;
 
         case PBT_APMRESUMESUSPEND:
+#ifdef PBT_APMRESUMEAUTOMATIC
+        case PBT_APMRESUMEAUTOMATIC:
+#endif
             evtType = wxEVT_POWER_RESUME;
             break;
 
             evtType = wxEVT_POWER_RESUME;
             break;
 
@@ -3840,9 +3929,6 @@ bool wxWindowMSW::HandlePower(WXWPARAM WXUNUSED_IN_WINCE(wParam),
         case PBT_APMBATTERYLOW:
         case PBT_APMPOWERSTATUSCHANGE:
         case PBT_APMOEMEVENT:
         case PBT_APMBATTERYLOW:
         case PBT_APMPOWERSTATUSCHANGE:
         case PBT_APMOEMEVENT:
-#ifdef PBT_APMRESUMEAUTOMATIC
-        case PBT_APMRESUMEAUTOMATIC:
-#endif
         case PBT_APMRESUMECRITICAL:
             evtType = wxEVT_NULL;
             break;
         case PBT_APMRESUMECRITICAL:
             evtType = wxEVT_NULL;
             break;
@@ -3864,6 +3950,19 @@ bool wxWindowMSW::HandlePower(WXWPARAM WXUNUSED_IN_WINCE(wParam),
 #endif
 }
 
 #endif
 }
 
+bool wxWindowMSW::IsDoubleBuffered() const
+{
+    for ( const wxWindowMSW *wnd = this;
+          wnd && !wnd->IsTopLevel(); wnd =
+          wnd->GetParent() )
+    {
+        if ( ::GetWindowLong(GetHwndOf(wnd), GWL_EXSTYLE) & WS_EX_COMPOSITED )
+            return true;
+    }
+
+    return false;
+}
+
 // ---------------------------------------------------------------------------
 // owner drawn stuff
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // owner drawn stuff
 // ---------------------------------------------------------------------------
@@ -4073,9 +4172,13 @@ bool wxWindowMSW::HandlePaletteChanged(WXHWND hWndPalChange)
 
 bool wxWindowMSW::HandleCaptureChanged(WXHWND hWndGainedCapture)
 {
 
 bool wxWindowMSW::HandleCaptureChanged(WXHWND hWndGainedCapture)
 {
-    wxMouseCaptureChangedEvent event(GetId(), wxFindWinFromHandle(hWndGainedCapture));
-    event.SetEventObject(this);
+    // notify windows on the capture stack about lost capture
+    // (see http://sourceforge.net/tracker/index.php?func=detail&aid=1153662&group_id=9863&atid=109863):
+    wxWindowBase::NotifyCaptureLost();
 
 
+    wxWindow *win = wxFindWinFromHandle(hWndGainedCapture);
+    wxMouseCaptureChangedEvent event(GetId(), win);
+    event.SetEventObject(this);
     return GetEventHandler()->ProcessEvent(event);
 }
 
     return GetEventHandler()->ProcessEvent(event);
 }
 
@@ -4275,7 +4378,7 @@ void wxWindowMSW::OnPaint(wxPaintEvent& event)
 
 bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
 {
 
 bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
 {
-    wxDCTemp dc(hdc);
+    wxDCTemp dc(hdc, GetClientSize());
 
     dc.SetHDC(hdc);
     dc.SetWindow((wxWindow *)this);
 
     dc.SetHDC(hdc);
     dc.SetWindow((wxWindow *)this);
@@ -5359,244 +5462,277 @@ int ChooseNormalOrExtended(int lParam, int keyNormal, int keyExtended)
     return !lParam || (lParam & (1 << 24)) ? keyExtended : keyNormal;
 }
 
     return !lParam || (lParam & (1 << 24)) ? keyExtended : keyNormal;
 }
 
+// this array contains the Windows virtual key codes which map one to one to
+// WXK_xxx constants and is used in wxCharCodeMSWToWX/WXToMSW() below
+//
+// note that keys having a normal and numpad version (e.g. WXK_HOME and
+// WXK_NUMPAD_HOME) are not included in this table as the mapping is not 1-to-1
+static const struct wxKeyMapping
+{
+    int vk;
+    wxKeyCode wxk;
+} gs_specialKeys[] =
+{
+    { VK_CANCEL,        WXK_CANCEL },
+    { VK_BACK,          WXK_BACK },
+    { VK_TAB,           WXK_TAB },
+    { VK_CLEAR,         WXK_CLEAR },
+    { VK_SHIFT,         WXK_SHIFT },
+    { VK_CONTROL,       WXK_CONTROL },
+    { VK_MENU ,         WXK_ALT },
+    { VK_PAUSE,         WXK_PAUSE },
+    { VK_CAPITAL,       WXK_CAPITAL },
+    { VK_SPACE,         WXK_SPACE },
+    { VK_ESCAPE,        WXK_ESCAPE },
+    { VK_SELECT,        WXK_SELECT },
+    { VK_PRINT,         WXK_PRINT },
+    { VK_EXECUTE,       WXK_EXECUTE },
+    { VK_SNAPSHOT,      WXK_SNAPSHOT },
+    { VK_HELP,          WXK_HELP },
+
+    { VK_NUMPAD0,       WXK_NUMPAD0 },
+    { VK_NUMPAD1,       WXK_NUMPAD1 },
+    { VK_NUMPAD2,       WXK_NUMPAD2 },
+    { VK_NUMPAD3,       WXK_NUMPAD3 },
+    { VK_NUMPAD4,       WXK_NUMPAD4 },
+    { VK_NUMPAD5,       WXK_NUMPAD5 },
+    { VK_NUMPAD6,       WXK_NUMPAD6 },
+    { VK_NUMPAD7,       WXK_NUMPAD7 },
+    { VK_NUMPAD8,       WXK_NUMPAD8 },
+    { VK_NUMPAD9,       WXK_NUMPAD9 },
+    { VK_MULTIPLY,      WXK_NUMPAD_MULTIPLY },
+    { VK_ADD,           WXK_NUMPAD_ADD },
+    { VK_SUBTRACT,      WXK_NUMPAD_SUBTRACT },
+    { VK_DECIMAL,       WXK_NUMPAD_DECIMAL },
+    { VK_DIVIDE,        WXK_NUMPAD_DIVIDE },
+
+    { VK_F1,            WXK_F1 },
+    { VK_F2,            WXK_F2 },
+    { VK_F3,            WXK_F3 },
+    { VK_F4,            WXK_F4 },
+    { VK_F5,            WXK_F5 },
+    { VK_F6,            WXK_F6 },
+    { VK_F7,            WXK_F7 },
+    { VK_F8,            WXK_F8 },
+    { VK_F9,            WXK_F9 },
+    { VK_F10,           WXK_F10 },
+    { VK_F11,           WXK_F11 },
+    { VK_F12,           WXK_F12 },
+    { VK_F13,           WXK_F13 },
+    { VK_F14,           WXK_F14 },
+    { VK_F15,           WXK_F15 },
+    { VK_F16,           WXK_F16 },
+    { VK_F17,           WXK_F17 },
+    { VK_F18,           WXK_F18 },
+    { VK_F19,           WXK_F19 },
+    { VK_F20,           WXK_F20 },
+    { VK_F21,           WXK_F21 },
+    { VK_F22,           WXK_F22 },
+    { VK_F23,           WXK_F23 },
+    { VK_F24,           WXK_F24 },
+
+    { VK_NUMLOCK,       WXK_NUMLOCK },
+    { VK_SCROLL,        WXK_SCROLL },
+
+#ifdef VK_APPS
+    { VK_LWIN,          WXK_WINDOWS_LEFT },
+    { VK_RWIN,          WXK_WINDOWS_RIGHT },
+    { VK_APPS,          WXK_WINDOWS_MENU },
+#endif // VK_APPS defined
+};
+
 // Returns 0 if was a normal ASCII value, not a special key. This indicates that
 // the key should be ignored by WM_KEYDOWN and processed by WM_CHAR instead.
 // Returns 0 if was a normal ASCII value, not a special key. This indicates that
 // the key should be ignored by WM_KEYDOWN and processed by WM_CHAR instead.
-int wxCharCodeMSWToWX(int keySym, WXLPARAM lParam)
+int wxCharCodeMSWToWX(int vk, WXLPARAM lParam)
 {
 {
-    int id;
-    switch (keySym)
-    {
-        case VK_CANCEL:     id = WXK_CANCEL; break;
-        case VK_BACK:       id = WXK_BACK; break;
-        case VK_TAB:        id = WXK_TAB; break;
-        case VK_CLEAR:      id = WXK_CLEAR; break;
-        case VK_SHIFT:      id = WXK_SHIFT; break;
-        case VK_CONTROL:    id = WXK_CONTROL; break;
-        case VK_MENU :      id = WXK_ALT; break;
-        case VK_PAUSE:      id = WXK_PAUSE; break;
-        case VK_CAPITAL:    id = WXK_CAPITAL; break;
-        case VK_SPACE:      id = WXK_SPACE; break;
-        case VK_ESCAPE:     id = WXK_ESCAPE; break;
-        case VK_SELECT:     id = WXK_SELECT; break;
-        case VK_PRINT:      id = WXK_PRINT; break;
-        case VK_EXECUTE:    id = WXK_EXECUTE; break;
-        case VK_HELP :      id = WXK_HELP; break;
-        case VK_NUMPAD0:    id = WXK_NUMPAD0; break;
-        case VK_NUMPAD1:    id = WXK_NUMPAD1; break;
-        case VK_NUMPAD2:    id = WXK_NUMPAD2; break;
-        case VK_NUMPAD3:    id = WXK_NUMPAD3; break;
-        case VK_NUMPAD4:    id = WXK_NUMPAD4; break;
-        case VK_NUMPAD5:    id = WXK_NUMPAD5; break;
-        case VK_NUMPAD6:    id = WXK_NUMPAD6; break;
-        case VK_NUMPAD7:    id = WXK_NUMPAD7; break;
-        case VK_NUMPAD8:    id = WXK_NUMPAD8; break;
-        case VK_NUMPAD9:    id = WXK_NUMPAD9; break;
-        case VK_MULTIPLY:   id = WXK_NUMPAD_MULTIPLY; break;
-        case VK_ADD:        id = WXK_NUMPAD_ADD; break;
-        case VK_SUBTRACT:   id = WXK_NUMPAD_SUBTRACT; break;
-        case VK_DECIMAL:    id = WXK_NUMPAD_DECIMAL; break;
-        case VK_DIVIDE:     id = WXK_NUMPAD_DIVIDE; break;
-        case VK_F1:         id = WXK_F1; break;
-        case VK_F2:         id = WXK_F2; break;
-        case VK_F3:         id = WXK_F3; break;
-        case VK_F4:         id = WXK_F4; break;
-        case VK_F5:         id = WXK_F5; break;
-        case VK_F6:         id = WXK_F6; break;
-        case VK_F7:         id = WXK_F7; break;
-        case VK_F8:         id = WXK_F8; break;
-        case VK_F9:         id = WXK_F9; break;
-        case VK_F10:        id = WXK_F10; break;
-        case VK_F11:        id = WXK_F11; break;
-        case VK_F12:        id = WXK_F12; break;
-        case VK_F13:        id = WXK_F13; break;
-        case VK_F14:        id = WXK_F14; break;
-        case VK_F15:        id = WXK_F15; break;
-        case VK_F16:        id = WXK_F16; break;
-        case VK_F17:        id = WXK_F17; break;
-        case VK_F18:        id = WXK_F18; break;
-        case VK_F19:        id = WXK_F19; break;
-        case VK_F20:        id = WXK_F20; break;
-        case VK_F21:        id = WXK_F21; break;
-        case VK_F22:        id = WXK_F22; break;
-        case VK_F23:        id = WXK_F23; break;
-        case VK_F24:        id = WXK_F24; break;
-        case VK_NUMLOCK:    id = WXK_NUMLOCK; break;
-        case VK_SCROLL:     id = WXK_SCROLL; break;
+    // check the table first
+    for ( size_t n = 0; n < WXSIZEOF(gs_specialKeys); n++ )
+    {
+        if ( gs_specialKeys[n].vk == vk )
+            return gs_specialKeys[n].wxk;
+    }
 
 
+    // keys requiring special handling
+    int wxk;
+    switch ( vk )
+    {
         // the mapping for these keys may be incorrect on non-US keyboards so
         // maybe we shouldn't map them to ASCII values at all
         // the mapping for these keys may be incorrect on non-US keyboards so
         // maybe we shouldn't map them to ASCII values at all
-        case VK_OEM_1:      id = ';'; break;
-        case VK_OEM_PLUS:   id = '+'; break;
-        case VK_OEM_COMMA:  id = ','; break;
-        case VK_OEM_MINUS:  id = '-'; break;
-        case VK_OEM_PERIOD: id = '.'; break;
-        case VK_OEM_2:      id = '/'; break;
-        case VK_OEM_3:      id = '~'; break;
-        case VK_OEM_4:      id = '['; break;
-        case VK_OEM_5:      id = '\\'; break;
-        case VK_OEM_6:      id = ']'; break;
-        case VK_OEM_7:      id = '\''; break;
-
-#ifdef VK_APPS
-        case VK_LWIN:       id = WXK_WINDOWS_LEFT; break;
-        case VK_RWIN:       id = WXK_WINDOWS_RIGHT; break;
-        case VK_APPS:       id = WXK_WINDOWS_MENU; break;
-#endif // VK_APPS defined
+        case VK_OEM_1:      wxk = ';'; break;
+        case VK_OEM_PLUS:   wxk = '+'; break;
+        case VK_OEM_COMMA:  wxk = ','; break;
+        case VK_OEM_MINUS:  wxk = '-'; break;
+        case VK_OEM_PERIOD: wxk = '.'; break;
+        case VK_OEM_2:      wxk = '/'; break;
+        case VK_OEM_3:      wxk = '~'; break;
+        case VK_OEM_4:      wxk = '['; break;
+        case VK_OEM_5:      wxk = '\\'; break;
+        case VK_OEM_6:      wxk = ']'; break;
+        case VK_OEM_7:      wxk = '\''; break;
 
         // handle extended keys
         case VK_PRIOR:
 
         // handle extended keys
         case VK_PRIOR:
-            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_PAGEUP, WXK_PAGEUP);
+            wxk = ChooseNormalOrExtended(lParam, WXK_NUMPAD_PAGEUP, WXK_PAGEUP);
             break;
             break;
+
         case VK_NEXT:
         case VK_NEXT:
-            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_PAGEDOWN, WXK_PAGEDOWN);
+            wxk = ChooseNormalOrExtended(lParam, WXK_NUMPAD_PAGEDOWN, WXK_PAGEDOWN);
             break;
             break;
+
         case VK_END:
         case VK_END:
-            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_END, WXK_END);
+            wxk = ChooseNormalOrExtended(lParam, WXK_NUMPAD_END, WXK_END);
             break;
             break;
+
         case VK_HOME:
         case VK_HOME:
-            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_HOME, WXK_HOME);
+            wxk = ChooseNormalOrExtended(lParam, WXK_NUMPAD_HOME, WXK_HOME);
             break;
             break;
+
         case VK_LEFT:
         case VK_LEFT:
-            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_LEFT, WXK_LEFT);
+            wxk = ChooseNormalOrExtended(lParam, WXK_NUMPAD_LEFT, WXK_LEFT);
             break;
             break;
+
         case VK_UP:
         case VK_UP:
-            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_UP, WXK_UP);
+            wxk = ChooseNormalOrExtended(lParam, WXK_NUMPAD_UP, WXK_UP);
             break;
             break;
+
         case VK_RIGHT:
         case VK_RIGHT:
-            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_RIGHT, WXK_RIGHT);
+            wxk = ChooseNormalOrExtended(lParam, WXK_NUMPAD_RIGHT, WXK_RIGHT);
             break;
             break;
+
         case VK_DOWN:
         case VK_DOWN:
-            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_DOWN, WXK_DOWN);
+            wxk = ChooseNormalOrExtended(lParam, WXK_NUMPAD_DOWN, WXK_DOWN);
             break;
             break;
+
         case VK_INSERT:
         case VK_INSERT:
-            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_INSERT, WXK_INSERT);
+            wxk = ChooseNormalOrExtended(lParam, WXK_NUMPAD_INSERT, WXK_INSERT);
             break;
             break;
+
         case VK_DELETE:
         case VK_DELETE:
-            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_DELETE, WXK_DELETE);
+            wxk = ChooseNormalOrExtended(lParam, WXK_NUMPAD_DELETE, WXK_DELETE);
             break;
             break;
+
         case VK_RETURN:
             // don't use ChooseNormalOrExtended() here as the keys are reversed
             // here: numpad enter is the extended one
         case VK_RETURN:
             // don't use ChooseNormalOrExtended() here as the keys are reversed
             // here: numpad enter is the extended one
-            id = lParam && (lParam & (1 << 24)) ? WXK_NUMPAD_ENTER : WXK_RETURN;
+            wxk = lParam && (lParam & (1 << 24)) ? WXK_NUMPAD_ENTER : WXK_RETURN;
             break;
 
         default:
             break;
 
         default:
-            id = 0;
-    }
-
-    return id;
-}
-
-WXWORD wxCharCodeWXToMSW(int id, bool *isVirtual)
-{
-    *isVirtual = true;
-    WXWORD keySym;
-    switch (id)
-    {
-    case WXK_CANCEL:    keySym = VK_CANCEL; break;
-    case WXK_CLEAR:     keySym = VK_CLEAR; break;
-    case WXK_SHIFT:     keySym = VK_SHIFT; break;
-    case WXK_CONTROL:   keySym = VK_CONTROL; break;
-    case WXK_ALT:       keySym = VK_MENU; break;
-    case WXK_PAUSE:     keySym = VK_PAUSE; break;
-    case WXK_CAPITAL:   keySym = VK_CAPITAL; break;
-    case WXK_PAGEUP:    keySym = VK_PRIOR; break;
-    case WXK_PAGEDOWN:  keySym = VK_NEXT; break;
-    case WXK_END:       keySym = VK_END; break;
-    case WXK_HOME :     keySym = VK_HOME; break;
-    case WXK_LEFT :     keySym = VK_LEFT; break;
-    case WXK_UP:        keySym = VK_UP; break;
-    case WXK_RIGHT:     keySym = VK_RIGHT; break;
-    case WXK_DOWN :     keySym = VK_DOWN; break;
-    case WXK_SELECT:    keySym = VK_SELECT; break;
-    case WXK_PRINT:     keySym = VK_PRINT; break;
-    case WXK_EXECUTE:   keySym = VK_EXECUTE; break;
-    case WXK_INSERT:    keySym = VK_INSERT; break;
-    case WXK_DELETE:    keySym = VK_DELETE; break;
-    case WXK_HELP :     keySym = VK_HELP; break;
-    case WXK_NUMPAD0:   keySym = VK_NUMPAD0; break;
-    case WXK_NUMPAD1:   keySym = VK_NUMPAD1; break;
-    case WXK_NUMPAD2:   keySym = VK_NUMPAD2; break;
-    case WXK_NUMPAD3:   keySym = VK_NUMPAD3; break;
-    case WXK_NUMPAD4:   keySym = VK_NUMPAD4; break;
-    case WXK_NUMPAD5:   keySym = VK_NUMPAD5; break;
-    case WXK_NUMPAD6:   keySym = VK_NUMPAD6; break;
-    case WXK_NUMPAD7:   keySym = VK_NUMPAD7; break;
-    case WXK_NUMPAD8:   keySym = VK_NUMPAD8; break;
-    case WXK_NUMPAD9:   keySym = VK_NUMPAD9; break;
-    case WXK_NUMPAD_MULTIPLY:  keySym = VK_MULTIPLY; break;
-    case WXK_NUMPAD_ADD:       keySym = VK_ADD; break;
-    case WXK_NUMPAD_SUBTRACT:  keySym = VK_SUBTRACT; break;
-    case WXK_NUMPAD_DECIMAL:   keySym = VK_DECIMAL; break;
-    case WXK_NUMPAD_DIVIDE:    keySym = VK_DIVIDE; break;
-    case WXK_F1:        keySym = VK_F1; break;
-    case WXK_F2:        keySym = VK_F2; break;
-    case WXK_F3:        keySym = VK_F3; break;
-    case WXK_F4:        keySym = VK_F4; break;
-    case WXK_F5:        keySym = VK_F5; break;
-    case WXK_F6:        keySym = VK_F6; break;
-    case WXK_F7:        keySym = VK_F7; break;
-    case WXK_F8:        keySym = VK_F8; break;
-    case WXK_F9:        keySym = VK_F9; break;
-    case WXK_F10:       keySym = VK_F10; break;
-    case WXK_F11:       keySym = VK_F11; break;
-    case WXK_F12:       keySym = VK_F12; break;
-    case WXK_F13:       keySym = VK_F13; break;
-    case WXK_F14:       keySym = VK_F14; break;
-    case WXK_F15:       keySym = VK_F15; break;
-    case WXK_F16:       keySym = VK_F16; break;
-    case WXK_F17:       keySym = VK_F17; break;
-    case WXK_F18:       keySym = VK_F18; break;
-    case WXK_F19:       keySym = VK_F19; break;
-    case WXK_F20:       keySym = VK_F20; break;
-    case WXK_F21:       keySym = VK_F21; break;
-    case WXK_F22:       keySym = VK_F22; break;
-    case WXK_F23:       keySym = VK_F23; break;
-    case WXK_F24:       keySym = VK_F24; break;
-    case WXK_NUMLOCK:   keySym = VK_NUMLOCK; break;
-    case WXK_SCROLL:    keySym = VK_SCROLL; break;
-    default:
-        {
-            *isVirtual = false;
-            keySym = (WORD)id;
+            wxk = 0;
+    }
+
+    return wxk;
+}
+
+WXWORD wxCharCodeWXToMSW(int wxk, bool *isVirtual)
+{
+    if ( isVirtual )
+        *isVirtual = true;
+
+    // check the table first
+    for ( size_t n = 0; n < WXSIZEOF(gs_specialKeys); n++ )
+    {
+        if ( gs_specialKeys[n].wxk == wxk )
+            return gs_specialKeys[n].vk;
+    }
+
+    // and then check for special keys not included in the table
+    WXWORD vk;
+    switch ( wxk )
+    {
+        case WXK_PAGEUP:
+        case WXK_NUMPAD_PAGEUP:
+            vk = VK_PRIOR;
+            break;
+
+        case WXK_PAGEDOWN:
+        case WXK_NUMPAD_PAGEDOWN:
+            vk = VK_NEXT;
+            break;
+
+        case WXK_END:
+        case WXK_NUMPAD_END:
+            vk = VK_END;
+            break;
+
+        case WXK_HOME:
+        case WXK_NUMPAD_HOME:
+            vk = VK_HOME;
+            break;
+
+        case WXK_LEFT:
+        case WXK_NUMPAD_LEFT:
+            vk = VK_LEFT;
+            break;
+
+        case WXK_UP:
+        case WXK_NUMPAD_UP:
+            vk = VK_UP;
+            break;
+
+        case WXK_RIGHT:
+        case WXK_NUMPAD_RIGHT:
+            vk = VK_RIGHT;
+            break;
+
+        case WXK_DOWN:
+        case WXK_NUMPAD_DOWN:
+            vk = VK_DOWN;
+            break;
+
+        case WXK_INSERT:
+        case WXK_NUMPAD_INSERT:
+            vk = VK_INSERT;
+            break;
+
+        case WXK_DELETE:
+        case WXK_NUMPAD_DELETE:
+            vk = VK_DELETE;
+            break;
+
+        default:
+            if ( isVirtual )
+                *isVirtual = false;
+            vk = (WXWORD)wxk;
             break;
             break;
-        }
     }
     }
-    return keySym;
+
+    return vk;
+}
+
+// small helper for wxGetKeyState() and wxGetMouseState()
+static inline bool wxIsKeyDown(WXWORD vk)
+{
+    // the low order bit indicates whether the key was pressed since the last
+    // call and the high order one indicates whether it is down right now and
+    // we only want that one
+    return (::GetAsyncKeyState(vk) & (1<<15)) != 0;
 }
 
 bool wxGetKeyState(wxKeyCode key)
 {
 }
 
 bool wxGetKeyState(wxKeyCode key)
 {
-    bool bVirtual;
+    // although this does work under Windows, it is not supported under other
+    // platforms so don't allow it, you must use wxGetMouseState() instead
+    wxASSERT_MSG( key != VK_LBUTTON &&
+                    key != VK_RBUTTON &&
+                        key != VK_MBUTTON,
+                    wxT("can't use wxGetKeyState() for mouse buttons") );
 
 
-    wxASSERT_MSG(key != WXK_LBUTTON && key != WXK_RBUTTON && key !=
-        WXK_MBUTTON, wxT("can't use wxGetKeyState() for mouse buttons"));
+    const WXWORD vk = wxCharCodeWXToMSW(key);
 
 
-//High order with GetAsyncKeyState only available on WIN32
-#ifdef __WIN32__
-    //If the requested key is a LED key, return
-    //true if the led is pressed
-    if (key == WXK_NUMLOCK ||
-        key == WXK_CAPITAL ||
-        key == WXK_SCROLL)
+    // if the requested key is a LED key, return true if the led is pressed
+    if ( key == WXK_NUMLOCK || key == WXK_CAPITAL || key == WXK_SCROLL )
     {
     {
-#endif
-        //low order bit means LED is highlighted,
-        //high order means key is down
-        //Here, for compat with other ports we want both
-        return GetKeyState( wxCharCodeWXToMSW(key, &bVirtual) ) != 0;
+        // low order bit means LED is highlighted and high order one means the
+        // key is down; for compatibility with the other ports return true if
+        // either one is set
+        return ::GetKeyState(vk) != 0;
 
 
-#ifdef __WIN32__
     }
     }
-    else
+    else // normal key
     {
     {
-        //normal key
-        //low order bit means key pressed since last call
-        //high order means key is down
-        //We want only the high order bit - the key may not be down if only low order
-        return ( GetAsyncKeyState( wxCharCodeWXToMSW(key, &bVirtual) ) & (1<<15) ) != 0;
+        return wxIsKeyDown(vk);
     }
     }
-#endif
 }
 
 
 }
 
 
@@ -5608,13 +5744,13 @@ wxMouseState wxGetMouseState()
 
     ms.SetX(pt.x);
     ms.SetY(pt.y);
 
     ms.SetX(pt.x);
     ms.SetY(pt.y);
-    ms.SetLeftDown( (GetAsyncKeyState(VK_LBUTTON) & (1<<15)) != 0 );
-    ms.SetMiddleDown( (GetAsyncKeyState(VK_MBUTTON) & (1<<15)) != 0 );
-    ms.SetRightDown( (GetAsyncKeyState(VK_RBUTTON) & (1<<15)) != 0 );
+    ms.SetLeftDown(wxIsKeyDown(VK_LBUTTON));
+    ms.SetMiddleDown(wxIsKeyDown(VK_MBUTTON));
+    ms.SetRightDown(wxIsKeyDown(VK_RBUTTON));
 
 
-    ms.SetControlDown( (GetAsyncKeyState(VK_CONTROL) & (1<<15)) != 0 );
-    ms.SetShiftDown( (GetAsyncKeyState(VK_SHIFT) & (1<<15)) != 0 );
-    ms.SetAltDown( (GetAsyncKeyState(VK_MENU) & (1<<15)) != 0 );
+    ms.SetControlDown(wxIsKeyDown(VK_CONTROL));
+    ms.SetShiftDown(wxIsKeyDown(VK_SHIFT));
+    ms.SetAltDown(wxIsKeyDown(VK_MENU));
 //    ms.SetMetaDown();
 
     return ms;
 //    ms.SetMetaDown();
 
     return ms;
@@ -6220,18 +6356,10 @@ wxWindow* wxFindWindowAtPoint(const wxPoint& pt)
     POINT pt2;
     pt2.x = pt.x;
     pt2.y = pt.y;
     POINT pt2;
     pt2.x = pt.x;
     pt2.y = pt.y;
-    HWND hWndHit = ::WindowFromPoint(pt2);
 
 
-    wxWindow* win = wxFindWinFromHandle((WXHWND) hWndHit) ;
-    HWND hWnd = hWndHit;
+    HWND hWnd = ::WindowFromPoint(pt2);
 
 
-    // Try to find a window with a wxWindow associated with it
-    while (!win && (hWnd != 0))
-    {
-        hWnd = ::GetParent(hWnd);
-        win = wxFindWinFromHandle((WXHWND) hWnd) ;
-    }
-    return win;
+    return wxGetWindowFromHWND((WXHWND)hWnd);
 }
 
 // Get the current mouse position.
 }
 
 // Get the current mouse position.