no changes; just code cleanup in OnEraseBackground()

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

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 0874381013c364b7b9d0335bad8af1ec2f16c4ba..422745e451430f39fdb7dc57b84354aa48fef25b 100644 (file)
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        src/msw/windows.cpp
-// Purpose:     wxWindow
+// Name:        src/msw/window.cpp
+// Purpose:     wxWindowMSW

 // Author:      Julian Smart
 // Modified by: VZ on 13.05.99: no more Default(), MSWOnXXX() reorganisation
 // Created:     04/01/98
 // Author:      Julian Smart
 // Modified by: VZ on 13.05.99: no more Default(), MSWOnXXX() reorganisation
 // Created:     04/01/98


@@ -28,7 +28,6 @@
     #include "wx/msw/wrapwin.h"
     #include "wx/window.h"
     #include "wx/accel.h"
     #include "wx/msw/wrapwin.h"
     #include "wx/window.h"
     #include "wx/accel.h"

-    #include "wx/setup.h"

     #include "wx/menu.h"
     #include "wx/dc.h"
     #include "wx/dcclient.h"
     #include "wx/menu.h"
     #include "wx/dc.h"
     #include "wx/dcclient.h"


@@ -121,7 +120,11 @@
 // 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)
 // 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
 #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
 
 // set this to 1 to filter out duplicate mouse events, e.g. mouse move events
 // when mouse position didnd't change


@@ -151,7 +154,7 @@ static bool gs_hasStdCmap = false;
 
 // last mouse event information we need to filter out the duplicates
 #if wxUSE_MOUSEEVENT_HACK
 
 // last mouse event information we need to filter out the duplicates
 #if wxUSE_MOUSEEVENT_HACK

-static struct
+static struct MouseEventInfoDummy

 {
     // mouse position (in screen coordinates)
     wxPoint pos;
 {
     // mouse position (in screen coordinates)
     wxPoint pos;


@@ -220,7 +223,7 @@ static void EnsureParentHasControlParentStyle(wxWindow *parent)
        get back to the initial (focused) window: as we do have this style,
        GetNextDlgTabItem() will leave this window and continue in its parent,
        but if the parent doesn't have it, it wouldn't recurse inside it later
        get back to the initial (focused) window: as we do have this style,
        GetNextDlgTabItem() will leave this window and continue in its parent,
        but if the parent doesn't have it, it wouldn't recurse inside it later

-       on and so wouldn't have a chance of getting back to this window neither.
+       on and so wouldn't have a chance of getting back to this window either.

      */
     while ( parent && !parent->IsTopLevel() )
     {
      */
     while ( parent && !parent->IsTopLevel() )
     {


@@ -394,7 +397,7 @@ wxWindow *wxWindowMSW::FindItem(long id) const
     wxControl *item = wxDynamicCastThis(wxControl);
     if ( item )
     {
     wxControl *item = wxDynamicCastThis(wxControl);
     if ( item )
     {

-        // is it we or one of our "internal" children?
+        // is it us or one of our "internal" children?

         if ( item->GetId() == id
 #ifndef __WXUNIVERSAL__
                 || (item->GetSubcontrols().Index(id) != wxNOT_FOUND)
         if ( item->GetId() == id
 #ifndef __WXUNIVERSAL__
                 || (item->GetSubcontrols().Index(id) != wxNOT_FOUND)


@@ -513,7 +516,7 @@ wxWindowMSW::~wxWindowMSW()
 #endif // __WXUNIVERSAL__
 
     // VS: destroy children first and _then_ detach *this from its parent.
 #endif // __WXUNIVERSAL__
 
     // VS: destroy children first and _then_ detach *this from its parent.

-    //     If we'd do it the other way around, children wouldn't be able
+    //     If we did it the other way around, children wouldn't be able

     //     find their parent frame (see above).
     DestroyChildren();
 
     //     find their parent frame (see above).
     DestroyChildren();
 


@@ -665,7 +668,7 @@ bool wxWindowMSW::Enable(bool enable)
 
         if ( enable )
         {
 
         if ( enable )
         {

-            // enable the child back unless it had been disabled before us
+            // re-enable the child unless it had been disabled before us

             if ( !m_childrenDisabled || !m_childrenDisabled->Find(child) )
                 child->Enable();
         }
             if ( !m_childrenDisabled || !m_childrenDisabled->Find(child) )
                 child->Enable();
         }


@@ -704,12 +707,18 @@ bool wxWindowMSW::Show(bool show)
         return false;
 
     HWND hWnd = GetHwnd();
         return false;
 
     HWND hWnd = GetHwnd();

-    int cshow = show ? SW_SHOW : SW_HIDE;
-    ::ShowWindow(hWnd, cshow);

 
 

-    if ( show && IsTopLevel() )
+    // we could be called before the underlying window is created (this is
+    // actually useful to prevent it from being initially shown), e.g.
+    //
+    //      wxFoo *foo = new wxFoo;
+    //      foo->Hide();
+    //      foo->Create(parent, ...);
+    //
+    // should work without errors
+    if ( hWnd )

     {
     {

-        wxBringWindowToTop(hWnd);
+        ::ShowWindow(hWnd, show ? SW_SHOW : SW_HIDE);

     }
 
     return true;
     }
 
     return true;


@@ -728,16 +737,6 @@ void wxWindowMSW::Lower()
                    SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
 }
 
                    SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
 }
 

-void wxWindowMSW::SetTitle( const wxString& title)
-{
-    SetWindowText(GetHwnd(), title.c_str());
-}
-
-wxString wxWindowMSW::GetTitle() const
-{
-    return wxGetWindowText(GetHWND());
-}
-

 void wxWindowMSW::DoCaptureMouse()
 {
     HWND hWnd = GetHwnd();
 void wxWindowMSW::DoCaptureMouse()
 {
     HWND hWnd = GetHwnd();


@@ -820,9 +819,9 @@ void wxWindowMSW::WarpPointer(int x, int y)
     }
 }
 
     }
 }
 

-void wxWindowMSW::MSWUpdateUIState(int action)
+void wxWindowMSW::MSWUpdateUIState(int action, int state)

 {
 {

-    // WM_UPDATEUISTATE only appeared in Windows 2000 so it can do us no good
+    // WM_CHANGEUISTATE only appeared in Windows 2000 so it can do us no good

     // to use it on older systems -- and could possibly do some harm
     static int s_needToUpdate = -1;
     if ( s_needToUpdate == -1 )
     // to use it on older systems -- and could possibly do some harm
     static int s_needToUpdate = -1;
     if ( s_needToUpdate == -1 )


@@ -834,11 +833,9 @@ void wxWindowMSW::MSWUpdateUIState(int action)
 
     if ( s_needToUpdate )
     {
 
     if ( s_needToUpdate )
     {

-        // NB: it doesn't seem to matter what we put in wParam, whether we
-        //     include just one UISF_XXX or both, both are affected, no idea
-        //     why
-        ::SendMessage(GetHwnd(), WM_UPDATEUISTATE,
-                      MAKEWPARAM(action, UISF_HIDEFOCUS | UISF_HIDEACCEL), 0);
+        // we send WM_CHANGEUISTATE so if nothing needs changing then the system
+        // won't send WM_UPDATEUISTATE
+        ::SendMessage(GetHwnd(), WM_CHANGEUISTATE, MAKEWPARAM(action, state), 0);

     }
 }
 
     }
 }
 


@@ -854,15 +851,10 @@ inline int GetScrollPosition(HWND hWnd, int wOrient)
     WinStruct<SCROLLINFO> scrollInfo;
     scrollInfo.cbSize = sizeof(SCROLLINFO);
     scrollInfo.fMask = SIF_POS;
     WinStruct<SCROLLINFO> scrollInfo;
     scrollInfo.cbSize = sizeof(SCROLLINFO);
     scrollInfo.fMask = SIF_POS;

-    if ( !::GetScrollInfo(hWnd,
-                          wOrient,
-                          &scrollInfo) )
-    {
-        // Not necessarily an error, if there are no scrollbars yet.
-        // wxLogLastError(_T("GetScrollInfo"));
-    }
+    ::GetScrollInfo(hWnd, wOrient, &scrollInfo );
+

     return scrollInfo.nPos;
     return scrollInfo.nPos;

-//    return ::GetScrollPos(hWnd, wOrient);
+

 #endif
 }
 
 #endif
 }
 


@@ -949,11 +941,13 @@ void wxWindowMSW::SetScrollbar(int orient,
     HWND hWnd = GetHwnd();
     if ( hWnd )
     {
     HWND hWnd = GetHwnd();
     if ( hWnd )
     {

+        // We have to set the variables here to make them valid in events
+        // triggered by ::SetScrollInfo()
+        *(orient == wxHORIZONTAL ? &m_xThumbSize : &m_yThumbSize) = pageSize;
+

         ::SetScrollInfo(hWnd, orient == wxHORIZONTAL ? SB_HORZ : SB_VERT,
                         &info, refresh);
     }
         ::SetScrollInfo(hWnd, orient == wxHORIZONTAL ? SB_HORZ : SB_VERT,
                         &info, refresh);
     }

-
-    *(orient == wxHORIZONTAL ? &m_xThumbSize : &m_yThumbSize) = pageSize;

 }
 
 void wxWindowMSW::ScrollWindow(int dx, int dy, const wxRect *prect)
 }
 
 void wxWindowMSW::ScrollWindow(int dx, int dy, const wxRect *prect)


@@ -1045,7 +1039,7 @@ void wxWindowMSW::SubclassWin(WXHWND hWnd)
     }
     else
     {
     }
     else
     {

-        // don't bother restoring it neither: this also makes it easy to
+        // don't bother restoring it either: this also makes it easy to

         // implement IsOfStandardClass() method which returns true for the
         // standard controls and false for the wxWidgets own windows as it can
         // simply check m_oldWndProc
         // implement IsOfStandardClass() method which returns true for the
         // standard controls and false for the wxWidgets own windows as it can
         // simply check m_oldWndProc


@@ -1099,20 +1093,19 @@ void wxWindowMSW::DissociateHandle()
 
 
 bool wxCheckWindowWndProc(WXHWND hWnd,
 
 
 bool wxCheckWindowWndProc(WXHWND hWnd,

-                          WXFARPROC WXUNUSED_IN_WINCE(wndProc))
+                          WXFARPROC WXUNUSED(wndProc))

 {
 {

-    // Unicows note: the code below works, but only because WNDCLASS contains
-    // original window handler rather that the unicows fake one. This may not
-    // be on purpose, though; if it stops working with future versions of
-    // unicows.dll, we can override unicows hooks by setting
-    // Unicows_{Set,Get}WindowLong and Unicows_RegisterClass to our own
-    // versions that keep track of fake<->real wnd proc mapping.
+// TODO: This list of window class names should be factored out so they can be
+// managed in one place and then accessed from here and other places, such as
+// wxApp::RegisterWindowClasses() and wxApp::UnregisterWindowClasses()

 
 

-    // On WinCE (at least), the wndproc comparison doesn't work,
-    // so have to use something like this.

 #ifdef __WXWINCE__
     extern       wxChar *wxCanvasClassName;
     extern       wxChar *wxCanvasClassNameNR;
 #ifdef __WXWINCE__
     extern       wxChar *wxCanvasClassName;
     extern       wxChar *wxCanvasClassNameNR;

+#else
+    extern const wxChar *wxCanvasClassName;
+    extern const wxChar *wxCanvasClassNameNR;
+#endif

     extern const wxChar *wxMDIFrameClassName;
     extern const wxChar *wxMDIFrameClassNameNoRedraw;
     extern const wxChar *wxMDIChildFrameClassName;
     extern const wxChar *wxMDIFrameClassName;
     extern const wxChar *wxMDIFrameClassNameNoRedraw;
     extern const wxChar *wxMDIChildFrameClassName;


@@ -1120,6 +1113,10 @@ bool wxCheckWindowWndProc(WXHWND hWnd,
     wxString str(wxGetWindowClass(hWnd));
     if (str == wxCanvasClassName ||
         str == wxCanvasClassNameNR ||
     wxString str(wxGetWindowClass(hWnd));
     if (str == wxCanvasClassName ||
         str == wxCanvasClassNameNR ||

+#if wxUSE_GLCANVAS
+        str == _T("wxGLCanvasClass") ||
+        str == _T("wxGLCanvasClassNR") ||
+#endif // wxUSE_GLCANVAS

         str == wxMDIFrameClassName ||
         str == wxMDIFrameClassNameNoRedraw ||
         str == wxMDIChildFrameClassName ||
         str == wxMDIFrameClassName ||
         str == wxMDIFrameClassNameNoRedraw ||
         str == wxMDIChildFrameClassName ||


@@ -1128,17 +1125,6 @@ bool wxCheckWindowWndProc(WXHWND hWnd,
         return true; // Effectively means don't subclass
     else
         return false;
         return true; // Effectively means don't subclass
     else
         return false;

-#else
-    WNDCLASS cls;
-    if ( !::GetClassInfo(wxGetInstance(), wxGetWindowClass(hWnd), &cls) )
-    {
-        wxLogLastError(_T("GetClassInfo"));
-
-        return false;
-    }
-
-    return wndProc == (WXFARPROC)cls.lpfnWndProc;
-#endif

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


@@ -1209,7 +1195,7 @@ WXDWORD wxWindowMSW::MSWGetStyle(long flags, WXDWORD *exstyle) const
 
     // using this flag results in very significant reduction in flicker,
     // especially with controls inside the static boxes (as the interior of the
 
     // using this flag results in very significant reduction in flicker,
     // especially with controls inside the static boxes (as the interior of the

-    // box is not redrawn twice).but sometimes results in redraw problems, so
+    // box is not redrawn twice), but sometimes results in redraw problems, so

     // optionally allow the old code to continue to use it provided a special
     // system option is turned on
     if ( !wxSystemOptions::GetOptionInt(wxT("msw.window.no-clip-children"))
     // optionally allow the old code to continue to use it provided a special
     // system option is turned on
     if ( !wxSystemOptions::GetOptionInt(wxT("msw.window.no-clip-children"))


@@ -1453,7 +1439,7 @@ void wxWindowMSW::SetDropTarget(wxDropTarget *pDropTarget)
 }
 #endif // wxUSE_DRAG_AND_DROP
 
 }
 #endif // wxUSE_DRAG_AND_DROP
 

-// old style file-manager drag&drop support: we retain the old-style
+// old-style file manager drag&drop support: we retain the old-style

 // DragAcceptFiles in parallel with SetDropTarget.
 void wxWindowMSW::DragAcceptFiles(bool WXUNUSED_IN_WINCE(accept))
 {
 // DragAcceptFiles in parallel with SetDropTarget.
 void wxWindowMSW::DragAcceptFiles(bool WXUNUSED_IN_WINCE(accept))
 {


@@ -1522,14 +1508,36 @@ 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
 {
 // Get size *available for subwindows* i.e. excluding menu bar etc.
 void wxWindowMSW::DoGetClientSize(int *x, int *y) const
 {

-    // this is only for top level windows whose resizing is never deferred, so
-    // we can safely use the current size here
-    RECT rect = wxGetClientRect(GetHwnd());
+#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 ( x )
+            *x = rect.right;
+        if ( y )
+            *y = rect.bottom;
+    }
+#if USE_DEFERRED_SIZING
+    else // non top level and using deferred sizing
+    {
+        // we need to calculate the *pending* client size here
+        RECT rect;
+        rect.left = m_pendingPosition.x;
+        rect.top = m_pendingPosition.y;
+        rect.right = rect.left + m_pendingSize.x;
+        rect.bottom = rect.top + m_pendingSize.y;
+
+        ::SendMessage(GetHwnd(), WM_NCCALCSIZE, FALSE, (LPARAM)&rect);
+
+        if ( x )
+            *x = rect.right - rect.left;
+        if ( y )
+            *y = rect.bottom - rect.top;
+    }
+#endif

 }
 
 void wxWindowMSW::DoGetPosition(int *x, int *y) const
 }
 
 void wxWindowMSW::DoGetPosition(int *x, int *y) const


@@ -1624,7 +1632,7 @@ wxWindowMSW::DoMoveSibling(WXHWND hwnd, int x, int y, int width, int height)
     if ( hdwp )
     {
         hdwp = ::DeferWindowPos(hdwp, (HWND)hwnd, NULL, x, y, width, height,
     if ( hdwp )
     {
         hdwp = ::DeferWindowPos(hdwp, (HWND)hwnd, NULL, x, y, width, height,

-                                SWP_NOZORDER);
+                                SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE);

         if ( !hdwp )
         {
             wxLogLastError(_T("DeferWindowPos"));
         if ( !hdwp )
         {
             wxLogLastError(_T("DeferWindowPos"));


@@ -1746,11 +1754,12 @@ void wxWindowMSW::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 
 void wxWindowMSW::DoSetClientSize(int width, int height)
 {
 
 void wxWindowMSW::DoSetClientSize(int width, int height)
 {

-    // setting the client size is less obvious than it it could have been
+    // setting the client size is less obvious than it could have been

     // because in the result of changing the total size the window scrollbar
     // because in the result of changing the total size the window scrollbar

-    // may [dis]appear and/or its menubar may [un]wrap and so the client size
-    // will not be correct as the difference between the total and client size
-    // changes - so we keep changing it until we get it right
+    // may [dis]appear and/or its menubar may [un]wrap (and AdjustWindowRect()
+    // doesn't take neither into account) and so the client size will not be
+    // correct as the difference between the total and client size changes --
+    // so we keep changing it until we get it right

     //
     // normally this loop shouldn't take more than 3 iterations (usually 1 but
     // if scrollbars [dis]appear as the result of the first call, then 2 and it
     //
     // normally this loop shouldn't take more than 3 iterations (usually 1 but
     // if scrollbars [dis]appear as the result of the first call, then 2 and it


@@ -1791,7 +1800,9 @@ void wxWindowMSW::DoSetClientSize(int width, int height)
         }
 
         // don't call DoMoveWindow() because we want to move window immediately
         }
 
         // don't call DoMoveWindow() because we want to move window immediately

-        // and not defer it here
+        // and not defer it here as otherwise the value returned by
+        // GetClient/WindowRect() wouldn't change as the window wouldn't be
+        // really resized

         if ( !::MoveWindow(GetHwnd(),
                            rectWin.left,
                            rectWin.top,
         if ( !::MoveWindow(GetHwnd(),
                            rectWin.left,
                            rectWin.top,


@@ -1914,7 +1925,7 @@ bool wxWindowMSW::DoPopupMenu(wxMenu *menu, int x, int y)
 #endif
     ::TrackPopupMenu(hMenu, flags, point.x, point.y, 0, hWnd, NULL);
 
 #endif
     ::TrackPopupMenu(hMenu, flags, point.x, point.y, 0, hWnd, NULL);
 

-    // we need to do it righ now as otherwise the events are never going to be
+    // we need to do it right now as otherwise the events are never going to be

     // sent to wxCurrentPopupMenu from HandleCommand()
     //
     // note that even eliminating (ugly) wxCurrentPopupMenu global wouldn't
     // sent to wxCurrentPopupMenu from HandleCommand()
     //
     // note that even eliminating (ugly) wxCurrentPopupMenu global wouldn't


@@ -2055,6 +2066,12 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
                             else // no default button
 #endif // wxUSE_BUTTON
                             {
                             else // no default button
 #endif // wxUSE_BUTTON
                             {

+#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) )
                                 // this is a quick and dirty test for a text
                                 // control
                                 if ( !(lDlgCode & DLGC_HASSETSEL) )


@@ -2095,9 +2112,8 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
                 {
                     // as we don't call IsDialogMessage(), which would take of
                     // this by default, we need to manually send this message
                 {
                     // as we don't call IsDialogMessage(), which would take of
                     // this by default, we need to manually send this message

-                    // so that controls could change their appearance
-                    // appropriately
-                    MSWUpdateUIState(UIS_CLEAR);
+                    // so that controls can change their UI state if needed
+                    MSWUpdateUIState(UIS_CLEAR, UISF_HIDEFOCUS);

 
                     return true;
                 }
 
                     return true;
                 }


@@ -2112,7 +2128,7 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
         {
             // ::IsDialogMessage() is broken and may sometimes hang the
             // application by going into an infinite loop, so we try to detect
         {
             // ::IsDialogMessage() is broken and may sometimes hang the
             // application by going into an infinite loop, so we try to detect

-            // [some of] the situatations when this may happen and not call it
+            // [some of] the situations when this may happen and not call it

             // then
 
             // assume we can call it by default
             // then
 
             // assume we can call it by default


@@ -2133,7 +2149,7 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
 #if !defined(__WXWINCE__)
             if ( ::GetWindowLong(hwndFocus, GWL_EXSTYLE) & WS_EX_CONTROLPARENT )
             {
 #if !defined(__WXWINCE__)
             if ( ::GetWindowLong(hwndFocus, GWL_EXSTYLE) & WS_EX_CONTROLPARENT )
             {

-                // passimistic by default
+                // pessimistic by default

                 canSafelyCallIsDlgMsg = false;
                 for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
                       node;
                 canSafelyCallIsDlgMsg = false;
                 for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
                       node;


@@ -2400,28 +2416,6 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
             break;
 #endif // !__WXWINCE__
 
             break;
 #endif // !__WXWINCE__
 

-#if !(defined(_WIN32_WCE) && _WIN32_WCE < 400)
-        case WM_WINDOWPOSCHANGED:
-            {
-                WINDOWPOS *lpPos = (WINDOWPOS *)lParam;
-
-                if ( !(lpPos->flags & SWP_NOSIZE) )
-                {
-                    RECT rc;
-                    ::GetClientRect(GetHwnd(), &rc);
-
-                    AutoHRGN hrgnClient(::CreateRectRgnIndirect(&rc));
-                    AutoHRGN hrgnNew(::CreateRectRgn(lpPos->x,  lpPos->y,
-                                                     lpPos->cx, lpPos->cy));
-
-                    // we need to invalidate any new exposed areas here
-                    // to force them to repaint
-                    if ( ::CombineRgn(hrgnNew, hrgnNew, hrgnClient, RGN_DIFF) != NULLREGION )
-                        ::InvalidateRgn(GetHwnd(), hrgnNew, TRUE);
-                }
-            }
-            break;
-#endif

 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
         case WM_ACTIVATEAPP:
             // This implicitly sends a wxEVT_ACTIVATE_APP event
 #if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)
         case WM_ACTIVATEAPP:
             // This implicitly sends a wxEVT_ACTIVATE_APP event


@@ -2683,7 +2677,7 @@ WXLRESULT wxWindowMSW::MSWWindowProc(WXUINT message, WXWPARAM wParam, WXLPARAM l
             {
                 switch ( wParam )
                 {
             {
                 switch ( wParam )
                 {

-                    // we consider these message "not interesting" to OnChar, so
+                    // we consider these messages "not interesting" to OnChar, so

                     // just don't do anything more with them
                     case VK_SHIFT:
                     case VK_CONTROL:
                     // just don't do anything more with them
                     case VK_SHIFT:
                     case VK_CONTROL:


@@ -3203,8 +3197,6 @@ bool wxWindowMSW::MSWCreate(const wxChar *wclass,
 // WM_NOTIFY
 // ---------------------------------------------------------------------------
 
 // WM_NOTIFY
 // ---------------------------------------------------------------------------
 

-#ifdef __WIN95__
-

 bool wxWindowMSW::HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {
 #ifndef __WXMICROWIN__
 bool wxWindowMSW::HandleNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
 {
 #ifndef __WXMICROWIN__


@@ -3348,8 +3340,6 @@ bool wxWindowMSW::MSWOnNotify(int WXUNUSED(idCtrl),
     return false;
 }
 
     return false;
 }
 

-#endif // __WIN95__
-

 // ---------------------------------------------------------------------------
 // end session messages
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // end session messages
 // ---------------------------------------------------------------------------


@@ -3538,6 +3528,20 @@ bool wxWindowMSW::HandleKillFocus(WXHWND hwnd)
     return GetEventHandler()->ProcessEvent(event);
 }
 
     return GetEventHandler()->ProcessEvent(event);
 }
 

+// ---------------------------------------------------------------------------
+// labels
+// ---------------------------------------------------------------------------
+
+void wxWindowMSW::SetLabel( const wxString& label)
+{
+    SetWindowText(GetHwnd(), label.c_str());
+}
+
+wxString wxWindowMSW::GetLabel() const
+{
+    return wxGetWindowText(GetHWND());
+}
+

 // ---------------------------------------------------------------------------
 // miscellaneous
 // ---------------------------------------------------------------------------
 // ---------------------------------------------------------------------------
 // miscellaneous
 // ---------------------------------------------------------------------------


@@ -4079,14 +4083,11 @@ bool wxWindowMSW::HandleEraseBkgnd(WXHDC hdc)
 
     dc.SetHDC(hdc);
     dc.SetWindow((wxWindow *)this);
 
     dc.SetHDC(hdc);
     dc.SetWindow((wxWindow *)this);

-    dc.BeginDrawing();

 
     wxEraseEvent event(m_windowId, &dc);
     event.SetEventObject(this);
     bool rc = GetEventHandler()->ProcessEvent(event);
 
 
     wxEraseEvent event(m_windowId, &dc);
     event.SetEventObject(this);
     bool rc = GetEventHandler()->ProcessEvent(event);
 

-    dc.EndDrawing();
-

     // must be called manually as ~wxDC doesn't do anything for wxDCTemp
     dc.SelectOldObjects(hdc);
 
     // must be called manually as ~wxDC doesn't do anything for wxDCTemp
     dc.SelectOldObjects(hdc);
 


@@ -4645,7 +4646,7 @@ bool wxWindowMSW::HandleMouseMove(int x, int y, WXUINT flags)
             GenerateMouseLeave();
         }
     }
             GenerateMouseLeave();
         }
     }

-#endif // HAVE_TRACKMOUSEEVENT 
+#endif // HAVE_TRACKMOUSEEVENT

 
 #if wxUSE_MOUSEEVENT_HACK
     // Windows often generates mouse events even if mouse position hasn't
 
 #if wxUSE_MOUSEEVENT_HACK
     // Windows often generates mouse events even if mouse position hasn't


@@ -4911,12 +4912,20 @@ int wxWindowMSW::HandleMenuChar(int WXUNUSED_IN_WINCE(chAccel),
     MENUITEMINFO mii;
     wxZeroMemory(mii);
     mii.cbSize = sizeof(MENUITEMINFO);
     MENUITEMINFO mii;
     wxZeroMemory(mii);
     mii.cbSize = sizeof(MENUITEMINFO);

+
+    // we could use MIIM_FTYPE here as we only need to know if the item is
+    // ownerdrawn or not and not dwTypeData which MIIM_TYPE also returns, but
+    // MIIM_FTYPE is not supported under Win95

     mii.fMask = MIIM_TYPE | MIIM_DATA;
 
     // find if we have this letter in any owner drawn item
     const int count = ::GetMenuItemCount(hmenu);
     for ( int i = 0; i < count; i++ )
     {
     mii.fMask = MIIM_TYPE | MIIM_DATA;
 
     // find if we have this letter in any owner drawn item
     const int count = ::GetMenuItemCount(hmenu);
     for ( int i = 0; i < count; i++ )
     {

+        // previous loop iteration could modify it, reset it back before
+        // calling GetMenuItemInfo() to prevent it from overflowing dwTypeData
+        mii.cch = 0;
+

         if ( ::GetMenuItemInfo(hmenu, i, TRUE, &mii) )
         {
             if ( mii.fType == MFT_OWNERDRAW )
         if ( ::GetMenuItemInfo(hmenu, i, TRUE, &mii) )
         {
             if ( mii.fType == MFT_OWNERDRAW )


@@ -4954,8 +4963,7 @@ int wxWindowMSW::HandleMenuChar(int WXUNUSED_IN_WINCE(chAccel),
         }
         else // failed to get the menu text?
         {
         }
         else // failed to get the menu text?
         {

-            // it's not fatal, so don't show error, but still log
-            // it
+            // it's not fatal, so don't show error, but still log it

             wxLogLastError(_T("GetMenuItemInfo"));
         }
     }
             wxLogLastError(_T("GetMenuItemInfo"));
         }
     }


@@ -5166,6 +5174,13 @@ void wxGetCharSize(WXHWND wnd, int *x, int *y, const wxFont& the_font)
     //   the_font.ReleaseResource();
 }
 
     //   the_font.ReleaseResource();
 }
 

+// use the "extended" bit (24) of lParam to distinguish extended keys
+// from normal keys as the same key is sent
+static inline int ChooseNormalOrExtended(int lParam, int keyNormal, int keyExtended)
+{
+    return lParam & (1 << 24) ? keyExtended : keyNormal;
+}
+

 // 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)
 // 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)


@@ -5184,19 +5199,9 @@ int wxCharCodeMSWToWX(int keySym, WXLPARAM lParam)
         case VK_CAPITAL:    id = WXK_CAPITAL; break;
         case VK_SPACE:      id = WXK_SPACE; break;
         case VK_ESCAPE:     id = WXK_ESCAPE; break;
         case VK_CAPITAL:    id = WXK_CAPITAL; break;
         case VK_SPACE:      id = WXK_SPACE; break;
         case VK_ESCAPE:     id = WXK_ESCAPE; break;

-        case VK_PRIOR:      id = WXK_PRIOR; break;
-        case VK_NEXT :      id = WXK_NEXT; break;
-        case VK_END:        id = WXK_END; break;
-        case VK_HOME :      id = WXK_HOME; break;
-        case VK_LEFT :      id = WXK_LEFT; break;
-        case VK_UP:         id = WXK_UP; break;
-        case VK_RIGHT:      id = WXK_RIGHT; break;
-        case VK_DOWN :      id = WXK_DOWN; break;

         case VK_SELECT:     id = WXK_SELECT; break;
         case VK_PRINT:      id = WXK_PRINT; break;
         case VK_EXECUTE:    id = WXK_EXECUTE; break;
         case VK_SELECT:     id = WXK_SELECT; break;
         case VK_PRINT:      id = WXK_PRINT; break;
         case VK_EXECUTE:    id = WXK_EXECUTE; break;

-        case VK_INSERT:     id = WXK_INSERT; break;
-        case VK_DELETE:     id = WXK_DELETE; break;

         case VK_HELP :      id = WXK_HELP; break;
         case VK_NUMPAD0:    id = WXK_NUMPAD0; break;
         case VK_NUMPAD1:    id = WXK_NUMPAD1; break;
         case VK_HELP :      id = WXK_HELP; break;
         case VK_NUMPAD0:    id = WXK_NUMPAD0; break;
         case VK_NUMPAD1:    id = WXK_NUMPAD1; break;


@@ -5260,11 +5265,40 @@ int wxCharCodeMSWToWX(int keySym, WXLPARAM lParam)
         case VK_APPS:       id = WXK_WINDOWS_MENU; break;
 #endif // VK_APPS defined
 
         case VK_APPS:       id = WXK_WINDOWS_MENU; break;
 #endif // VK_APPS defined
 

+        // handle extended keys
+        case VK_PRIOR:
+            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_PRIOR, WXK_PRIOR);
+            break;
+        case VK_NEXT:
+            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_NEXT, WXK_NEXT);
+            break;
+        case VK_END:
+            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_END, WXK_END);
+            break;
+        case VK_HOME:
+            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_HOME, WXK_HOME);
+            break;
+        case VK_LEFT:
+            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_LEFT, WXK_LEFT);
+            break;
+        case VK_UP:
+            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_UP, WXK_UP);
+            break;
+        case VK_RIGHT:
+            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_RIGHT, WXK_RIGHT);
+            break;
+        case VK_DOWN:
+            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_DOWN, WXK_DOWN);
+            break;
+        case VK_INSERT:
+            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_INSERT, WXK_INSERT);
+            break;
+        case VK_DELETE:
+            id = ChooseNormalOrExtended(lParam, WXK_NUMPAD_DELETE, WXK_DELETE);
+            break;
+        // this order is correct as the numpad enter is the extended key

         case VK_RETURN:
         case VK_RETURN:

-            // the same key is sent for both the "return" key on the main
-            // keyboard and the numeric keypad but we want to distinguish
-            // between them: we do this using the "extended" bit (24) of lParam
-            id = lParam & (1 << 24) ? WXK_NUMPAD_ENTER : WXK_RETURN;
+            id = ChooseNormalOrExtended(lParam, WXK_RETURN, WXK_NUMPAD_ENTER);

             break;
 
         default:
             break;
 
         default:


@@ -5386,6 +5420,28 @@ bool wxGetKeyState(wxKeyCode key)
 #endif
 }
 
 #endif
 }
 

+
+wxMouseState wxGetMouseState()
+{
+    wxMouseState ms;
+    POINT pt;
+    GetCursorPos( &pt );
+
+    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.SetControlDown( (GetAsyncKeyState(VK_CONTROL) & (1<<15)) != 0 );
+    ms.SetShiftDown( (GetAsyncKeyState(VK_SHIFT) & (1<<15)) != 0 );
+    ms.SetAltDown( (GetAsyncKeyState(VK_MENU) & (1<<15)) != 0 );
+//    ms.SetMetaDown();
+
+    return ms;
+}
+
+

 wxWindow *wxGetActiveWindow()
 {
     HWND hWnd = GetActiveWindow();
 wxWindow *wxGetActiveWindow()
 {
     HWND hWnd = GetActiveWindow();


@@ -6194,4 +6250,3 @@ void wxWindowMSW::OnInitDialog( wxInitDialogEvent& event )
     event.Skip();
 }
 #endif
     event.Skip();
 }
 #endif

-