]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/wincmn.cpp
return radio box own help text when origin is Origin_Unknown to make sure GetHelpText...
[wxWidgets.git] / src / common / wincmn.cpp
index e9d6e9eda1deb9c84b08553cf66940080b434f8f..ee46f5834938a5e12d27257a74b71bff9aeac803 100644 (file)
     #include "wx/settings.h"
     #include "wx/dialog.h"
     #include "wx/msgdlg.h"
+    #include "wx/msgout.h"
     #include "wx/statusbr.h"
     #include "wx/toolbar.h"
     #include "wx/dcclient.h"
     #include "wx/scrolbar.h"
     #include "wx/layout.h"
     #include "wx/sizer.h"
+    #include "wx/menu.h"
 #endif //WX_PRECOMP
 
 #if wxUSE_DRAG_AND_DROP
     #else
         #include <gtk/gtkfeatures.h>
     #endif
-    extern const unsigned int gtk_major_version;
-    extern const unsigned int gtk_minor_version;
-    extern const unsigned int gtk_micro_version;
 #endif
 
+#include "wx/platinfo.h"
+
 // Windows List
 WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
 
+// globals
+#if wxUSE_MENUS
+wxMenu *wxCurrentPopupMenu = NULL;
+#endif // wxUSE_MENUS
+
 // ----------------------------------------------------------------------------
 // static data
 // ----------------------------------------------------------------------------
 
-#if defined(__WXPALMOS__)
-int wxWindowBase::ms_lastControlId = 32767;
-#elif defined(__WXPM__)
-int wxWindowBase::ms_lastControlId = 2000;
-#else
-int wxWindowBase::ms_lastControlId = -200;
-#endif
 
 IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
 
@@ -127,7 +126,7 @@ END_EVENT_TABLE()
 wxWindowBase::wxWindowBase()
 {
     // no window yet, no parent nor children
-    m_parent = (wxWindow *)NULL;
+    m_parent = NULL;
     m_windowId = wxID_ANY;
 
     // no constraints on the minimal window size
@@ -148,7 +147,7 @@ wxWindowBase::wxWindowBase()
 
 #if wxUSE_VALIDATORS
     // no validator
-    m_windowValidator = (wxValidator *) NULL;
+    m_windowValidator = NULL;
 #endif // wxUSE_VALIDATORS
 
     // the colours/fonts are default for now, so leave m_font,
@@ -168,24 +167,24 @@ wxWindowBase::wxWindowBase()
 
 #if wxUSE_CONSTRAINTS
     // no constraints whatsoever
-    m_constraints = (wxLayoutConstraints *) NULL;
-    m_constraintsInvolvedIn = (wxWindowList *) NULL;
+    m_constraints = NULL;
+    m_constraintsInvolvedIn = NULL;
 #endif // wxUSE_CONSTRAINTS
 
-    m_windowSizer = (wxSizer *) NULL;
-    m_containingSizer = (wxSizer *) NULL;
+    m_windowSizer = NULL;
+    m_containingSizer = NULL;
     m_autoLayout = false;
 
 #if wxUSE_DRAG_AND_DROP
-    m_dropTarget = (wxDropTarget *)NULL;
+    m_dropTarget = NULL;
 #endif // wxUSE_DRAG_AND_DROP
 
 #if wxUSE_TOOLTIPS
-    m_tooltip = (wxToolTip *)NULL;
+    m_tooltip = NULL;
 #endif // wxUSE_TOOLTIPS
 
 #if wxUSE_CARET
-    m_caret = (wxCaret *)NULL;
+    m_caret = NULL;
 #endif // wxUSE_CARET
 
 #if wxUSE_PALETTE
@@ -198,10 +197,7 @@ wxWindowBase::wxWindowBase()
 
     m_virtualSize = wxDefaultSize;
 
-    m_minVirtualWidth =
-    m_maxVirtualWidth = wxDefaultCoord;
-    m_minVirtualHeight =
-    m_maxVirtualHeight = wxDefaultCoord;
+    m_scrollHelper = NULL;
 
     m_windowVariant = wxWINDOW_VARIANT_NORMAL;
 #if wxUSE_SYSTEM_OPTIONS
@@ -214,8 +210,12 @@ wxWindowBase::wxWindowBase()
     // Whether we're using the current theme for this window (wxGTK only for now)
     m_themeEnabled = false;
 
-    // VZ: this one shouldn't exist...
+    // This is set to true by SendDestroyEvent() which should be called by the
+    // most derived class to ensure that the destruction event is sent as soon
+    // as possible to allow its handlers to still see the undestroyed window
     m_isBeingDeleted = false;
+
+    m_freezeCount = 0;
 }
 
 // common part of window creation process
@@ -241,14 +241,26 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
     // ids are limited to 16 bits under MSW so if you care about portability,
     // it's not a good idea to use ids out of this range (and negative ids are
     // reserved for wxWidgets own usage)
-    wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
+    wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767) ||
+                  (id >= wxID_AUTO_LOWEST && id <= wxID_AUTO_HIGHEST),
                   _T("invalid id value") );
 
     // generate a new id if the user doesn't care about it
-    m_windowId = id == wxID_ANY ? NewControlId() : id;
+    if ( id == wxID_ANY )
+    {
+        m_windowId = NewControlId();
+    }
+    else // valid id specified
+    {
+        m_windowId = id;
+    }
+
+    // don't use SetWindowStyleFlag() here, this function should only be called
+    // to change the flag after creation as it tries to reflect the changes in
+    // flags by updating the window dynamically and we don't need this here
+    m_windowStyle = style;
 
     SetName(name);
-    SetWindowStyleFlag(style);
     SetParent(parent);
 
 #if wxUSE_VALIDATORS
@@ -266,6 +278,28 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
     return true;
 }
 
+bool wxWindowBase::ToggleWindowStyle(int flag)
+{
+    wxASSERT_MSG( flag, _T("flags with 0 value can't be toggled") );
+
+    bool rc;
+    long style = GetWindowStyleFlag();
+    if ( style & flag )
+    {
+        style &= ~flag;
+        rc = false;
+    }
+    else // currently off
+    {
+        style |= flag;
+        rc = true;
+    }
+
+    SetWindowStyleFlag(style);
+
+    return rc;
+}
+
 // ----------------------------------------------------------------------------
 // destruction
 // ----------------------------------------------------------------------------
@@ -286,13 +320,18 @@ wxWindowBase::~wxWindowBase()
     // we weren't a dialog class
     wxTopLevelWindows.DeleteObject((wxWindow*)this);
 
+#if wxUSE_MENUS
+    // The associated popup menu can still be alive, disassociate from it in
+    // this case
+    if ( wxCurrentPopupMenu && wxCurrentPopupMenu->GetInvokingWindow() == this )
+        wxCurrentPopupMenu->SetInvokingWindow(NULL);
+#endif // wxUSE_MENUS
+
     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
 
-    // reset the dangling pointer our parent window may keep to us
+    // notify the parent about this window destruction
     if ( m_parent )
-    {
         m_parent->RemoveChild(this);
-    }
 
 #if wxUSE_CARET
     delete m_caret;
@@ -333,10 +372,44 @@ wxWindowBase::~wxWindowBase()
 #if wxUSE_ACCESSIBILITY
     delete m_accessible;
 #endif
+
+#if wxUSE_HELP
+    // NB: this has to be called unconditionally, because we don't know
+    //     whether this window has associated help text or not
+    wxHelpProvider *helpProvider = wxHelpProvider::Get();
+    if ( helpProvider )
+        helpProvider->RemoveHelp(this);
+#endif
+}
+
+bool wxWindowBase::IsBeingDeleted() const
+{
+    return m_isBeingDeleted ||
+            (!IsTopLevel() && m_parent && m_parent->IsBeingDeleted());
+}
+
+void wxWindowBase::SendDestroyEvent()
+{
+    if ( m_isBeingDeleted )
+    {
+        // we could have been already called from a more derived class dtor,
+        // e.g. ~wxTLW calls us and so does ~wxWindow and the latter call
+        // should be simply ignored
+        return;
+    }
+
+    m_isBeingDeleted = true;
+
+    wxWindowDestroyEvent event;
+    event.SetEventObject(this);
+    event.SetId(GetId());
+    GetEventHandler()->ProcessEvent(event);
 }
 
 bool wxWindowBase::Destroy()
 {
+    SendDestroyEvent();
+
     delete this;
 
     return true;
@@ -350,7 +423,7 @@ bool wxWindowBase::Close(bool force)
 
     // return false if window wasn't closed because the application vetoed the
     // close event
-    return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
+    return HandleWindowEvent(event) && !event.GetVeto();
 }
 
 bool wxWindowBase::DestroyChildren()
@@ -365,11 +438,11 @@ bool wxWindowBase::DestroyChildren()
 
         wxWindow *child = node->GetData();
 
-        // note that we really want to call delete and not ->Destroy() here
-        // because we want to delete the child immediately, before we are
-        // deleted, and delayed deletion would result in problems as our (top
-        // level) child could outlive its parent
-        delete child;
+        // note that we really want to delete it immediately so don't call the
+        // possible overridden Destroy() version which might not delete the
+        // child immediately resulting in problems with our (top level) child
+        // outliving its parent
+        child->wxWindowBase::Destroy();
 
         wxASSERT_MSG( !GetChildren().Find(child),
                       wxT("child didn't remove itself using RemoveChild()") );
@@ -447,7 +520,7 @@ wxSize wxWindowBase::DoGetBestSize() const
 
     if ( m_windowSizer )
     {
-        best = GetWindowSizeForVirtualSize(m_windowSizer->GetMinSize());
+        best = m_windowSizer->GetMinSize();
     }
 #if wxUSE_CONSTRAINTS
     else if ( m_constraints )
@@ -563,29 +636,121 @@ wxSize wxWindowBase::DoGetBestSize() const
     return best;
 }
 
+// helper of GetWindowBorderSize(): as many ports don't implement support for
+// wxSYS_BORDER/EDGE_X/Y metrics in their wxSystemSettings, use hard coded
+// fallbacks in this case
+static int wxGetMetricOrDefault(wxSystemMetric what, const wxWindowBase* win)
+{
+    int rc = wxSystemSettings::GetMetric(
+        what, static_cast<wxWindow*>(const_cast<wxWindowBase*>(win)));
+    if ( rc == -1 )
+    {
+        switch ( what )
+        {
+            case wxSYS_BORDER_X:
+            case wxSYS_BORDER_Y:
+                // 2D border is by default 1 pixel wide
+                rc = 1;
+                break;
+
+            case wxSYS_EDGE_X:
+            case wxSYS_EDGE_Y:
+                // 3D borders are by default 2 pixels
+                rc = 2;
+                break;
+
+            default:
+                wxFAIL_MSG( _T("unexpected wxGetMetricOrDefault() argument") );
+                rc = 0;
+        }
+    }
+
+    return rc;
+}
+
+wxSize wxWindowBase::GetWindowBorderSize() const
+{
+    wxSize size;
+
+    switch ( GetBorder() )
+    {
+        case wxBORDER_NONE:
+            // nothing to do, size is already (0, 0)
+            break;
+
+        case wxBORDER_SIMPLE:
+        case wxBORDER_STATIC:
+            size.x = wxGetMetricOrDefault(wxSYS_BORDER_X, this);
+            size.y = wxGetMetricOrDefault(wxSYS_BORDER_Y, this);
+            break;
+
+        case wxBORDER_SUNKEN:
+        case wxBORDER_RAISED:
+            size.x = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_X, this),
+                           wxGetMetricOrDefault(wxSYS_BORDER_X, this));
+            size.y = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_Y, this),
+                           wxGetMetricOrDefault(wxSYS_BORDER_Y, this));
+            break;
+
+        case wxBORDER_DOUBLE:
+            size.x = wxGetMetricOrDefault(wxSYS_EDGE_X, this) +
+                        wxGetMetricOrDefault(wxSYS_BORDER_X, this);
+            size.y = wxGetMetricOrDefault(wxSYS_EDGE_Y, this) +
+                        wxGetMetricOrDefault(wxSYS_BORDER_Y, this);
+            break;
+
+        default:
+            wxFAIL_MSG(_T("Unknown border style."));
+            break;
+    }
+
+    // we have borders on both sides
+    return size*2;
+}
 
-wxSize wxWindowBase::GetBestFittingSize() const
+wxSize wxWindowBase::GetEffectiveMinSize() const
 {
     // merge the best size with the min size, giving priority to the min size
     wxSize min = GetMinSize();
+
     if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
     {
         wxSize best = GetBestSize();
         if (min.x == wxDefaultCoord) min.x =  best.x;
         if (min.y == wxDefaultCoord) min.y =  best.y;
     }
+
     return min;
 }
 
+wxSize wxWindowBase::GetBestSize() const
+{
+    if ((!m_windowSizer) && (m_bestSizeCache.IsFullySpecified()))
+        return m_bestSizeCache;
+
+    return DoGetBestSize();
+}
+
+void wxWindowBase::SetMinSize(const wxSize& minSize)
+{
+    m_minWidth = minSize.x;
+    m_minHeight = minSize.y;
+}
 
-void wxWindowBase::SetBestFittingSize(const wxSize& size)
+void wxWindowBase::SetMaxSize(const wxSize& maxSize)
+{
+    m_maxWidth = maxSize.x;
+    m_maxHeight = maxSize.y;
+}
+
+void wxWindowBase::SetInitialSize(const wxSize& size)
 {
     // Set the min size to the size passed in.  This will usually either be
     // wxDefaultSize or the size passed to this window's ctor/Create function.
     SetMinSize(size);
 
     // Merge the size with the best size if needed
-    wxSize best = GetBestFittingSize();
+    wxSize best = GetEffectiveMinSize();
 
     // If the current size doesn't match then change it
     if (GetSize() != best)
@@ -599,21 +764,20 @@ wxPoint wxWindowBase::GetClientAreaOrigin() const
     return wxPoint(0,0);
 }
 
-// set the min/max size of the window
-void wxWindowBase::DoSetSizeHints(int minW, int minH,
-                                  int maxW, int maxH,
-                                  int WXUNUSED(incW), int WXUNUSED(incH))
+wxSize wxWindowBase::ClientToWindowSize(const wxSize& size) const
 {
-    // setting min width greater than max width leads to infinite loops under
-    // X11 and generally doesn't make any sense, so don't allow it
-    wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
-                    (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
-                 _T("min width/height must be less than max width/height!") );
+    const wxSize diff(GetSize() - GetClientSize());
 
-    m_minWidth = minW;
-    m_maxWidth = maxW;
-    m_minHeight = minH;
-    m_maxHeight = maxH;
+    return wxSize(size.x == -1 ? -1 : size.x + diff.x,
+                  size.y == -1 ? -1 : size.y + diff.y);
+}
+
+wxSize wxWindowBase::WindowToClientSize(const wxSize& size) const
+{
+    const wxSize diff(GetSize() - GetClientSize());
+
+    return wxSize(size.x == -1 ? -1 : size.x - diff.x,
+                  size.y == -1 ? -1 : size.y - diff.y);
 }
 
 void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
@@ -661,26 +825,35 @@ void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
     SetFont(font);
 }
 
-void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
-                                        int maxW, int maxH )
+void wxWindowBase::DoSetSizeHints( int minW, int minH,
+                                   int maxW, int maxH,
+                                   int WXUNUSED(incW), int WXUNUSED(incH) )
 {
-    m_minVirtualWidth = minW;
-    m_maxVirtualWidth = maxW;
-    m_minVirtualHeight = minH;
-    m_maxVirtualHeight = maxH;
+    wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
+                    (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
+                 _T("min width/height must be less than max width/height!") );
+
+    m_minWidth = minW;
+    m_maxWidth = maxW;
+    m_minHeight = minH;
+    m_maxHeight = maxH;
 }
 
-void wxWindowBase::DoSetVirtualSize( int x, int y )
+
+#if WXWIN_COMPATIBILITY_2_8
+void wxWindowBase::SetVirtualSizeHints(int WXUNUSED(minW), int WXUNUSED(minH),
+                                       int WXUNUSED(maxW), int WXUNUSED(maxH))
 {
-    if ( m_minVirtualWidth != wxDefaultCoord && m_minVirtualWidth > x )
-        x = m_minVirtualWidth;
-    if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
-        x = m_maxVirtualWidth;
-    if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
-        y = m_minVirtualHeight;
-    if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
-        y = m_maxVirtualHeight;
+}
 
+void wxWindowBase::SetVirtualSizeHints(const wxSize& WXUNUSED(minsize),
+                                       const wxSize& WXUNUSED(maxsize))
+{
+}
+#endif // WXWIN_COMPATIBILITY_2_8
+
+void wxWindowBase::DoSetVirtualSize( int x, int y )
+{
     m_virtualSize = wxSize(x, y);
 }
 
@@ -711,6 +884,23 @@ void wxWindowBase::DoGetScreenPosition(int *x, int *y) const
     ClientToScreen(x, y);
 }
 
+void wxWindowBase::SendSizeEvent(int flags)
+{
+    wxSizeEvent event(GetSize(), GetId());
+    event.SetEventObject(this);
+    if ( flags & wxSEND_EVENT_POST )
+        wxPostEvent(this, event);
+    else
+        HandleWindowEvent(event);
+}
+
+void wxWindowBase::SendSizeEventToParent(int flags)
+{
+    wxWindow * const parent = GetParent();
+    if ( parent && !parent->IsBeingDeleted() )
+        parent->SendSizeEvent(flags);
+}
+
 // ----------------------------------------------------------------------------
 // show/hide/enable/disable the window
 // ----------------------------------------------------------------------------
@@ -729,19 +919,66 @@ bool wxWindowBase::Show(bool show)
     }
 }
 
-bool wxWindowBase::Enable(bool enable)
+bool wxWindowBase::IsEnabled() const
 {
-    if ( enable != m_isEnabled )
-    {
-        m_isEnabled = enable;
+    return IsThisEnabled() && (IsTopLevel() || !GetParent() || GetParent()->IsEnabled());
+}
 
-        return true;
-    }
-    else
+void wxWindowBase::NotifyWindowOnEnableChange(bool enabled)
+{
+#ifndef wxHAS_NATIVE_ENABLED_MANAGEMENT
+    DoEnable(enabled);
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+
+    OnEnabled(enabled);
+
+    // If we are top-level then the logic doesn't apply - otherwise
+    // showing a modal dialog would result in total greying out (and ungreying
+    // out later) of everything which would be really ugly
+    if ( IsTopLevel() )
+        return;
+
+    for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+          node;
+          node = node->GetNext() )
     {
+        wxWindowBase * const child = node->GetData();
+        if ( !child->IsTopLevel() && child->IsThisEnabled() )
+            child->NotifyWindowOnEnableChange(enabled);
+    }
+}
+
+bool wxWindowBase::Enable(bool enable)
+{
+    if ( enable == IsThisEnabled() )
         return false;
+
+    m_isEnabled = enable;
+
+#ifdef wxHAS_NATIVE_ENABLED_MANAGEMENT
+    DoEnable(enable);
+#else // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+    wxWindowBase * const parent = GetParent();
+    if( !IsTopLevel() && parent && !parent->IsEnabled() )
+    {
+        return true;
     }
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+
+    NotifyWindowOnEnableChange(enable);
+
+    return true;
+}
+
+bool wxWindowBase::IsShownOnScreen() const
+{
+    // A window is shown on screen if it itself is shown and so are all its
+    // parents. But if a window is toplevel one, then its always visible on
+    // screen if IsShown() returns true, even if it has a hidden parent.
+    return IsShown() &&
+           (IsTopLevel() || GetParent() == NULL || GetParent()->IsShownOnScreen());
 }
+
 // ----------------------------------------------------------------------------
 // RTTI
 // ----------------------------------------------------------------------------
@@ -751,6 +988,52 @@ bool wxWindowBase::IsTopLevel() const
     return false;
 }
 
+// ----------------------------------------------------------------------------
+// Freeze/Thaw
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::Freeze()
+{
+    if ( !m_freezeCount++ )
+    {
+        // physically freeze this window:
+        DoFreeze();
+
+        // and recursively freeze all children:
+        for ( wxWindowList::iterator i = GetChildren().begin();
+              i != GetChildren().end(); ++i )
+        {
+            wxWindow *child = *i;
+            if ( child->IsTopLevel() )
+                continue;
+
+            child->Freeze();
+        }
+    }
+}
+
+void wxWindowBase::Thaw()
+{
+    wxASSERT_MSG( m_freezeCount, "Thaw() without matching Freeze()" );
+
+    if ( !--m_freezeCount )
+    {
+        // recursively thaw all children:
+        for ( wxWindowList::iterator i = GetChildren().begin();
+              i != GetChildren().end(); ++i )
+        {
+            wxWindow *child = *i;
+            if ( child->IsTopLevel() )
+                continue;
+
+            child->Thaw();
+        }
+
+        // physically thaw this window:
+        DoThaw();
+    }
+}
+
 // ----------------------------------------------------------------------------
 // reparenting the window
 // ----------------------------------------------------------------------------
@@ -766,12 +1049,25 @@ void wxWindowBase::AddChild(wxWindowBase *child)
 
     GetChildren().Append((wxWindow*)child);
     child->SetParent(this);
+
+    // adding a child while frozen will assert when thawed, so freeze it as if
+    // it had been already present when we were frozen
+    if ( IsFrozen() && !child->IsTopLevel() )
+        child->Freeze();
 }
 
 void wxWindowBase::RemoveChild(wxWindowBase *child)
 {
     wxCHECK_RET( child, wxT("can't remove a NULL child") );
 
+    // removing a child while frozen may result in permanently frozen window
+    // if used e.g. from Reparent(), so thaw it
+    //
+    // NB: IsTopLevel() doesn't return true any more when a TLW child is being
+    //     removed from its ~wxWindowBase, so check for IsBeingDeleted() too
+    if ( IsFrozen() && !child->IsBeingDeleted() && !child->IsTopLevel() )
+        child->Thaw();
+
     GetChildren().DeleteObject((wxWindow *)child);
     child->SetParent(NULL);
 }
@@ -785,6 +1081,8 @@ bool wxWindowBase::Reparent(wxWindowBase *newParent)
         return false;
     }
 
+    const bool oldEnabledState = IsEnabled();
+
     // unlink this window from the existing parent.
     if ( oldParent )
     {
@@ -805,6 +1103,14 @@ bool wxWindowBase::Reparent(wxWindowBase *newParent)
         wxTopLevelWindows.Append((wxWindow *)this);
     }
 
+    // We need to notify window (and its subwindows) if by changing the parent
+    // we also change our enabled/disabled status.
+    const bool newEnabledState = IsEnabled();
+    if ( newEnabledState != oldEnabledState )
+    {
+        NotifyWindowOnEnableChange(newEnabledState);
+    }
+
     return true;
 }
 
@@ -812,73 +1118,121 @@ bool wxWindowBase::Reparent(wxWindowBase *newParent)
 // event handler stuff
 // ----------------------------------------------------------------------------
 
-void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
+void wxWindowBase::SetEventHandler(wxEvtHandler *handler)
+{
+    wxCHECK_RET(handler != NULL, "SetEventHandler(NULL) called");
+
+    m_eventHandler = handler;
+}
+
+void wxWindowBase::SetNextHandler(wxEvtHandler *WXUNUSED(handler))
 {
+    // disable wxEvtHandler chain mechanism for wxWindows:
+    // wxWindow uses its own stack mechanism which doesn't mix well with wxEvtHandler's one
+
+    wxFAIL_MSG("wxWindow cannot be part of a wxEvtHandler chain");
+}
+void wxWindowBase::SetPreviousHandler(wxEvtHandler *WXUNUSED(handler))
+{
+    // we can't simply wxFAIL here as in SetNextHandler: in fact the last
+    // handler of our stack when is destroyed will be Unlink()ed and thus
+    // will call this function to update the pointer of this window...
+
+    //wxFAIL_MSG("wxWindow cannot be part of a wxEvtHandler chain");
+}
+
+void wxWindowBase::PushEventHandler(wxEvtHandler *handlerToPush)
+{
+    wxCHECK_RET( handlerToPush != NULL, "PushEventHandler(NULL) called" );
+
+    // the new handler is going to be part of the wxWindow stack of event handlers:
+    // it can't be part also of an event handler double-linked chain:
+    wxASSERT_MSG(handlerToPush->IsUnlinked(),
+        "The handler being pushed in the wxWindow stack shouldn't be part of "
+        "a wxEvtHandler chain; call Unlink() on it first");
+
     wxEvtHandler *handlerOld = GetEventHandler();
+    wxCHECK_RET( handlerOld, "an old event handler is NULL?" );
 
-    handler->SetNextHandler(handlerOld);
+    // now use wxEvtHandler double-linked list to implement a stack:
+    handlerToPush->SetNextHandler(handlerOld);
 
-    if ( handlerOld )
-        GetEventHandler()->SetPreviousHandler(handler);
+    if (handlerOld != this)
+        handlerOld->SetPreviousHandler(handlerToPush);
 
-    SetEventHandler(handler);
+    SetEventHandler(handlerToPush);
+
+#ifdef __WXDEBUG__
+    // final checks of the operations done above:
+    wxASSERT_MSG( handlerToPush->GetPreviousHandler() == NULL,
+        "the first handler of the wxWindow stack should have no previous handlers set" );
+    wxASSERT_MSG( handlerToPush->GetNextHandler() != NULL,
+        "the first handler of the wxWindow stack should have non-NULL next handler" );
+
+    wxEvtHandler* pLast = handlerToPush;
+    while (pLast && pLast != this)
+        pLast = pLast->GetNextHandler();
+    wxASSERT_MSG( pLast->GetNextHandler() == NULL,
+        "the last handler of the wxWindow stack should have this window as next handler" );
+#endif
 }
 
 wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
 {
-    wxEvtHandler *handlerA = GetEventHandler();
-    if ( handlerA )
-    {
-        wxEvtHandler *handlerB = handlerA->GetNextHandler();
-        handlerA->SetNextHandler((wxEvtHandler *)NULL);
+    // we need to pop the wxWindow stack, i.e. we need to remove the first handler
 
-        if ( handlerB )
-            handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
-        SetEventHandler(handlerB);
+    wxEvtHandler *firstHandler = GetEventHandler();
+    wxCHECK_MSG( firstHandler != NULL, NULL, "wxWindow cannot have a NULL event handler" );
+    wxCHECK_MSG( firstHandler != this, NULL, "cannot pop the wxWindow itself" );
+    wxCHECK_MSG( firstHandler->GetPreviousHandler() == NULL, NULL,
+        "the first handler of the wxWindow stack should have no previous handlers set" );
 
-        if ( deleteHandler )
-        {
-            delete handlerA;
-            handlerA = (wxEvtHandler *)NULL;
-        }
+    wxEvtHandler *secondHandler = firstHandler->GetNextHandler();
+    wxCHECK_MSG( secondHandler != NULL, NULL,
+        "the first handler of the wxWindow stack should have non-NULL next handler" );
+
+    firstHandler->SetNextHandler(NULL);
+    secondHandler->SetPreviousHandler(NULL);
+
+    // now firstHandler is completely unlinked; set secondHandler as the new window event handler
+    SetEventHandler(secondHandler);
+
+    if ( deleteHandler )
+    {
+        delete firstHandler;
+        firstHandler = NULL;
     }
 
-    return handlerA;
+    return firstHandler;
 }
 
-bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
+bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handlerToRemove)
 {
-    wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
+    wxCHECK_MSG( handlerToRemove != NULL, false, "RemoveEventHandler(NULL) called" );
+    wxCHECK_MSG( handlerToRemove != this, false, "Cannot remove the window itself" );
+
+    if (handlerToRemove == GetEventHandler())
+    {
+        // removing the first event handler is equivalent to "popping" the stack
+        PopEventHandler(false);
+        return true;
+    }
 
-    wxEvtHandler *handlerPrev = NULL,
-                 *handlerCur = GetEventHandler();
-    while ( handlerCur )
+    // NOTE: the wxWindow event handler list is always terminated with "this" handler
+    wxEvtHandler *handlerCur = GetEventHandler()->GetNextHandler();
+    while ( handlerCur != this )
     {
         wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
 
-        if ( handlerCur == handler )
+        if ( handlerCur == handlerToRemove )
         {
-            if ( handlerPrev )
-            {
-                handlerPrev->SetNextHandler(handlerNext);
-            }
-            else
-            {
-                SetEventHandler(handlerNext);
-            }
-
-            if ( handlerNext )
-            {
-                handlerNext->SetPreviousHandler ( handlerPrev );
-            }
-
-            handler->SetNextHandler(NULL);
-            handler->SetPreviousHandler(NULL);
+            handlerCur->Unlink();
 
+            wxASSERT_MSG( handlerCur != GetEventHandler(),
+                        "the case Remove == Pop should was already handled" );
             return true;
         }
 
-        handlerPrev = handlerCur;
         handlerCur = handlerNext;
     }
 
@@ -887,6 +1241,12 @@ bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
     return false;
 }
 
+bool wxWindowBase::HandleWindowEvent(wxEvent& event) const
+{
+    // SafelyProcessEvent() will handle exceptions nicely
+    return GetEventHandler()->SafelyProcessEvent(event);
+}
+
 // ----------------------------------------------------------------------------
 // colours, fonts &c
 // ----------------------------------------------------------------------------
@@ -947,7 +1307,7 @@ wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 
 wxColour wxWindowBase::GetBackgroundColour() const
 {
-    if ( !m_backgroundColour.Ok() )
+    if ( !m_backgroundColour.IsOk() )
     {
         wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
 
@@ -973,11 +1333,9 @@ wxColour wxWindowBase::GetForegroundColour() const
     // logic is the same as above
     if ( !m_hasFgCol && !m_foregroundColour.Ok() )
     {
-        wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
-
         wxColour colFg = GetDefaultAttributes().colFg;
 
-        if ( !colFg.Ok() )
+        if ( !colFg.IsOk() )
             colFg = GetClassDefaultAttributes().colFg;
 
         return colFg;
@@ -991,7 +1349,7 @@ bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
     if ( colour == m_backgroundColour )
         return false;
 
-    m_hasBgCol = colour.Ok();
+    m_hasBgCol = colour.IsOk();
     if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
         m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
 
@@ -1006,7 +1364,7 @@ bool wxWindowBase::SetForegroundColour( const wxColour &colour )
     if (colour == m_foregroundColour )
         return false;
 
-    m_hasFgCol = colour.Ok();
+    m_hasFgCol = colour.IsOk();
     m_inheritFgCol = m_hasFgCol;
     m_foregroundColour = colour;
     SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
@@ -1017,7 +1375,7 @@ bool wxWindowBase::SetCursor(const wxCursor& cursor)
 {
     // setting an invalid cursor is ok, it means that we don't have any special
     // cursor
-    if ( m_cursor == cursor )
+    if ( m_cursor.IsSameAs(cursor) )
     {
         // no change
         return false;
@@ -1031,12 +1389,12 @@ bool wxWindowBase::SetCursor(const wxCursor& cursor)
 wxFont wxWindowBase::GetFont() const
 {
     // logic is the same as in GetBackgroundColour()
-    if ( !m_font.Ok() )
+    if ( !m_font.IsOk() )
     {
         wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
 
         wxFont font = GetDefaultAttributes().font;
-        if ( !font.Ok() )
+        if ( !font.IsOk() )
             font = GetClassDefaultAttributes().font;
 
         return font;
@@ -1054,7 +1412,7 @@ bool wxWindowBase::SetFont(const wxFont& font)
     }
 
     m_font = font;
-    m_hasFont = font.Ok();
+    m_hasFont = font.IsOk();
     m_inheritFont = m_hasFont;
 
     InvalidateBestSize();
@@ -1138,12 +1496,12 @@ wxRect wxWindowBase::GetUpdateClientRect() const
     return rectUpdate;
 }
 
-bool wxWindowBase::IsExposed(int x, int y) const
+bool wxWindowBase::DoIsExposed(int x, int y) const
 {
     return m_updateRegion.Contains(x, y) != wxOutRegion;
 }
 
-bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
+bool wxWindowBase::DoIsExposed(int x, int y, int w, int h) const
 {
     return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
 }
@@ -1153,7 +1511,7 @@ void wxWindowBase::ClearBackground()
     // wxGTK uses its own version, no need to add never used code
 #ifndef __WXGTK__
     wxClientDC dc((wxWindow *)this);
-    wxBrush brush(GetBackgroundColour(), wxSOLID);
+    wxBrush brush(GetBackgroundColour(), wxBRUSHSTYLE_SOLID);
     dc.SetBackground(brush);
     dc.Clear();
 #endif // __WXGTK__
@@ -1168,7 +1526,7 @@ wxWindow *wxWindowBase::FindWindow(long id) const
     if ( id == m_windowId )
         return (wxWindow *)this;
 
-    wxWindowBase *res = (wxWindow *)NULL;
+    wxWindowBase *res = NULL;
     wxWindowList::compatibility_iterator node;
     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
     {
@@ -1184,7 +1542,7 @@ wxWindow *wxWindowBase::FindWindow(const wxString& name) const
     if ( name == m_windowName )
         return (wxWindow *)this;
 
-    wxWindowBase *res = (wxWindow *)NULL;
+    wxWindowBase *res = NULL;
     wxWindowList::compatibility_iterator node;
     for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
     {
@@ -1449,6 +1807,7 @@ void wxWindowBase::SetHelpText(const wxString& text)
     }
 }
 
+#if WXWIN_COMPATIBILITY_2_8
 // associate this help text with all windows with the same id as this
 // one
 void wxWindowBase::SetHelpTextForId(const wxString& text)
@@ -1459,6 +1818,7 @@ void wxWindowBase::SetHelpTextForId(const wxString& text)
         helpProvider->AddHelp(GetId(), text);
     }
 }
+#endif // WXWIN_COMPATIBILITY_2_8
 
 // get the help string associated with this window (may be empty)
 // default implementation forwards calls to the help provider
@@ -1482,7 +1842,29 @@ void wxWindowBase::OnHelp(wxHelpEvent& event)
     wxHelpProvider *helpProvider = wxHelpProvider::Get();
     if ( helpProvider )
     {
-        if ( helpProvider->ShowHelpAtPoint(this, event.GetPosition(), event.GetOrigin()) )
+        wxPoint pos = event.GetPosition();
+        const wxHelpEvent::Origin origin = event.GetOrigin();
+        if ( origin == wxHelpEvent::Origin_Keyboard )
+        {
+            // if the help event was generated from keyboard it shouldn't
+            // appear at the mouse position (which is still the only position
+            // associated with help event) if the mouse is far away, although
+            // we still do use the mouse position if it's over the window
+            // because we suppose the user looks approximately at the mouse
+            // already and so it would be more convenient than showing tooltip
+            // at some arbitrary position which can be quite far from it
+            const wxRect rectClient = GetClientRect();
+            if ( !rectClient.Contains(ScreenToClient(pos)) )
+            {
+                // position help slightly under and to the right of this window
+                pos = ClientToScreen(wxPoint(
+                        2*GetCharWidth(),
+                        rectClient.height + GetCharHeight()
+                      ));
+            }
+        }
+
+        if ( helpProvider->ShowHelpAtPoint(this, pos, origin) )
         {
             // skip the event.Skip() below
             return;
@@ -1495,7 +1877,7 @@ void wxWindowBase::OnHelp(wxHelpEvent& event)
 #endif // wxUSE_HELP
 
 // ----------------------------------------------------------------------------
-// tooltipsroot.Replace("\\", "/");
+// tooltips
 // ----------------------------------------------------------------------------
 
 #if wxUSE_TOOLTIPS
@@ -1513,7 +1895,7 @@ void wxWindowBase::SetToolTip( const wxString &tip )
     }
 
     // setting empty tooltip text does not remove the tooltip any more - use
-    // SetToolTip((wxToolTip *)NULL) for this
+    // SetToolTip(NULL) for this
 }
 
 void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
@@ -1637,7 +2019,7 @@ void wxWindowBase::DeleteRelatedConstraints()
         }
 
         delete m_constraintsInvolvedIn;
-        m_constraintsInvolvedIn = (wxWindowList *) NULL;
+        m_constraintsInvolvedIn = NULL;
     }
 }
 
@@ -1648,12 +2030,21 @@ void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
     if ( sizer == m_windowSizer)
         return;
 
-    if ( deleteOld )
-        delete m_windowSizer;
+    if ( m_windowSizer )
+    {
+        m_windowSizer->SetContainingWindow(NULL);
+
+        if ( deleteOld )
+            delete m_windowSizer;
+    }
 
     m_windowSizer = sizer;
+    if ( m_windowSizer )
+    {
+        m_windowSizer->SetContainingWindow((wxWindow *)this);
+    }
 
-    SetAutoLayout( sizer != NULL );
+    SetAutoLayout(m_windowSizer != NULL);
 }
 
 void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
@@ -1970,7 +2361,7 @@ void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) co
 }
 
 // ----------------------------------------------------------------------------
-// do Update UI processing for child controls
+// Update UI processing
 // ----------------------------------------------------------------------------
 
 void wxWindowBase::UpdateWindowUI(long flags)
@@ -2005,23 +2396,6 @@ void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
         Show(event.GetShown());
 }
 
-#if 0
-// call internal idle recursively
-// may be obsolete (wait until OnIdle scheme stabilises)
-void wxWindowBase::ProcessInternalIdle()
-{
-    OnInternalIdle();
-
-    wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
-    while (node)
-    {
-        wxWindow *child = node->GetData();
-        child->ProcessInternalIdle();
-        node = node->GetNext();
-    }
-}
-#endif
-
 // ----------------------------------------------------------------------------
 // dialog units translations
 // ----------------------------------------------------------------------------
@@ -2088,16 +2462,90 @@ void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
     UpdateWindowUI(wxUPDATE_UI_RECURSE);
 }
 
+// ----------------------------------------------------------------------------
+// menu-related functions
+// ----------------------------------------------------------------------------
+
+#if wxUSE_MENUS
+
+bool wxWindowBase::PopupMenu(wxMenu *menu, int x, int y)
+{
+    wxCHECK_MSG( menu, false, "can't popup NULL menu" );
+
+    wxCurrentPopupMenu = menu;
+    const bool rc = DoPopupMenu(menu, x, y);
+    wxCurrentPopupMenu = NULL;
+
+    return rc;
+}
+
+// this is used to pass the id of the selected item from the menu event handler
+// to the main function itself
+//
+// it's ok to use a global here as there can be at most one popup menu shown at
+// any time
+static int gs_popupMenuSelection = wxID_NONE;
+
+void wxWindowBase::InternalOnPopupMenu(wxCommandEvent& event)
+{
+    // store the id in a global variable where we'll retrieve it from later
+    gs_popupMenuSelection = event.GetId();
+}
+
+void wxWindowBase::InternalOnPopupMenuUpdate(wxUpdateUIEvent& WXUNUSED(event))
+{
+    // nothing to do but do not skip it
+}
+
+int
+wxWindowBase::DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
+{
+    gs_popupMenuSelection = wxID_NONE;
+
+    Connect(wxEVT_COMMAND_MENU_SELECTED,
+            wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu),
+            NULL,
+            this);
+
+    // it is common to construct the menu passed to this function dynamically
+    // using some fixed range of ids which could clash with the ids used
+    // elsewhere in the program, which could result in some menu items being
+    // unintentionally disabled or otherwise modified by update UI handlers
+    // elsewhere in the program code and this is difficult to avoid in the
+    // program itself, so instead we just temporarily suspend UI updating while
+    // this menu is shown
+    Connect(wxEVT_UPDATE_UI,
+            wxUpdateUIEventHandler(wxWindowBase::InternalOnPopupMenuUpdate),
+            NULL,
+            this);
+
+    PopupMenu(&menu, x, y);
+
+    Disconnect(wxEVT_UPDATE_UI,
+               wxUpdateUIEventHandler(wxWindowBase::InternalOnPopupMenuUpdate),
+               NULL,
+               this);
+    Disconnect(wxEVT_COMMAND_MENU_SELECTED,
+               wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu),
+               NULL,
+               this);
+
+    return gs_popupMenuSelection;
+}
+
+#endif // wxUSE_MENUS
+
 // methods for drawing the sizers in a visible way
 #ifdef __WXDEBUG__
 
 static void DrawSizers(wxWindowBase *win);
 
-static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false)
+static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill, const wxPen* pen)
 {
     wxClientDC dc((wxWindow *)win);
-    dc.SetPen(*wxRED_PEN);
-    dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH);
+    dc.SetPen(*pen);
+    dc.SetBrush(fill ? wxBrush(pen->GetColour(), wxBRUSHSTYLE_CROSSDIAG_HATCH) :
+                       *wxTRANSPARENT_BRUSH);
     dc.DrawRectangle(rect.Deflate(1, 1));
 }
 
@@ -2112,26 +2560,29 @@ static void DrawSizer(wxWindowBase *win, wxSizer *sizer)
         wxSizerItem *item = *i;
         if ( item->IsSizer() )
         {
-            DrawBorder(win, item->GetRect().Deflate(2));
+            DrawBorder(win, item->GetRect().Deflate(2), false, wxRED_PEN);
             DrawSizer(win, item->GetSizer());
         }
         else if ( item->IsSpacer() )
         {
-            DrawBorder(win, item->GetRect().Deflate(2), true);
+            DrawBorder(win, item->GetRect().Deflate(2), true, wxBLUE_PEN);
         }
         else if ( item->IsWindow() )
         {
             DrawSizers(item->GetWindow());
         }
+        else
+            wxFAIL_MSG("inconsistent wxSizerItem status!");
     }
 }
 
 static void DrawSizers(wxWindowBase *win)
 {
+    DrawBorder(win, win->GetClientSize(), false, wxGREEN_PEN);
+
     wxSizer *sizer = win->GetSizer();
     if ( sizer )
     {
-        DrawBorder(win, win->GetClientSize());
         DrawSizer(win, sizer);
     }
     else // no sizer, still recurse into the children
@@ -2144,6 +2595,26 @@ static void DrawSizers(wxWindowBase *win)
         {
             DrawSizers(*i);
         }
+
+        // show all kind of sizes of this window; see the "window sizing" topic
+        // overview for more info about the various differences:
+        wxSize fullSz = win->GetSize();
+        wxSize clientSz = win->GetClientSize();
+        wxSize bestSz = win->GetBestSize();
+        wxSize minSz = win->GetMinSize();
+        wxSize maxSz = win->GetMaxSize();
+        wxSize virtualSz = win->GetVirtualSize();
+
+        wxMessageOutputDebug dbgout;
+        dbgout.Printf(
+            "%-10s => fullsz=%4d;%-4d  clientsz=%4d;%-4d  bestsz=%4d;%-4d  minsz=%4d;%-4d  maxsz=%4d;%-4d virtualsz=%4d;%-4d\n",
+            win->GetName(),
+            fullSz.x, fullSz.y,
+            clientSz.x, clientSz.y,
+            bestSz.x, bestSz.y,
+            minSz.x, minSz.y,
+            maxSz.x, maxSz.y,
+            virtualSz.x, virtualSz.y);
     }
 }
 
@@ -2162,76 +2633,9 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
             return;
         }
 #endif // __WXDEBUG__
-
-#if wxUSE_MSGDLG
-        // don't translate these strings
-        wxString port;
-
-#ifdef __WXUNIVERSAL__
-        port = _T("Univ/");
-#endif // __WXUNIVERSAL__
-
-        switch ( wxGetOsVersion() )
-        {
-            case wxMOTIF_X:            port += _T("Motif"); break;
-            case wxMAC:
-            case wxMAC_DARWIN:         port += _T("Mac"); break;
-            case wxBEOS:               port += _T("BeOS"); break;
-            case wxGTK:
-            case wxGTK_WIN32:
-            case wxGTK_OS2:
-            case wxGTK_BEOS:           port += _T("GTK"); break;
-            case wxWINDOWS:
-            case wxPENWINDOWS:
-            case wxWINDOWS_NT:
-            case wxWIN32S:
-            case wxWIN95:
-            case wxWIN386:             port += _T("MS Windows"); break;
-            case wxMGL_UNIX:
-            case wxMGL_X:
-            case wxMGL_WIN32:
-            case wxMGL_OS2:            port += _T("MGL"); break;
-            case wxWINDOWS_OS2:
-            case wxOS2_PM:             port += _T("OS/2"); break;
-            case wxPALMOS:             port += _T("Palm OS"); break;
-            case wxWINDOWS_CE:         port += _T("Windows CE (generic)"); break;
-            case wxWINDOWS_POCKETPC:   port += _T("Windows CE PocketPC"); break;
-            case wxWINDOWS_SMARTPHONE: port += _T("Windows CE Smartphone"); break;
-            default:            port += _T("unknown"); break;
-        }
-
-        wxMessageBox(wxString::Format(
-                                      _T(
-                                        "       wxWidgets Library (%s port)\nVersion %d.%d.%d%s%s, compiled at %s %s%s\n   Copyright (c) 1995-2006 wxWidgets team"
-                                        ),
-                                      port.c_str(),
-                                      wxMAJOR_VERSION,
-                                      wxMINOR_VERSION,
-                                      wxRELEASE_NUMBER,
-#if wxUSE_UNICODE
-                                      L" (Unicode)",
-#else
-                                      "",
-#endif
-#ifdef __WXDEBUG__
-                                      _T(" Debug build"),
-#else
-                                      wxEmptyString,
-#endif
-                                      __TDATE__,
-                                      __TTIME__,
-#ifdef __WXGTK__
-                                      wxString::Format(_T("\nagainst GTK+ %d.%d.%d. Runtime GTK+ version: %d.%d.%d"), GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION, gtk_major_version, gtk_minor_version, gtk_micro_version).c_str()
-#else
-                                      ""
-#endif
-                                     ),
-                     _T("wxWidgets information"),
-                     wxICON_INFORMATION | wxOK,
-                     (wxWindow *)this);
+        ::wxInfoMessageBox((wxWindow*)this);
     }
     else
-#endif // wxUSE_MSGDLG
     {
         event.Skip();
     }
@@ -2276,14 +2680,14 @@ wxAccessible* wxWindowBase::CreateAccessible()
 #include "wx/listimpl.cpp"
 WX_DEFINE_LIST(wxWindowList)
 
-#else
+#else // !wxUSE_STL
 
 void wxWindowListNode::DeleteData()
 {
     delete (wxWindow *)GetData();
 }
 
-#endif
+#endif // wxUSE_STL/!wxUSE_STL
 
 // ----------------------------------------------------------------------------
 // borders
@@ -2296,6 +2700,10 @@ wxBorder wxWindowBase::GetBorder(long flags) const
     {
         border = GetDefaultBorder();
     }
+    else if ( border == wxBORDER_THEME )
+    {
+        border = GetDefaultBorderForControl();
+    }
 
     return border;
 }
@@ -2339,7 +2747,7 @@ bool wxWindowBase::ms_winCaptureChanging = false;
 
 void wxWindowBase::CaptureMouse()
 {
-    wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), wx_static_cast(void*, this));
+    wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), static_cast<void*>(this));
 
     wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive CaptureMouse call?") );
 
@@ -2366,11 +2774,14 @@ void wxWindowBase::CaptureMouse()
 
 void wxWindowBase::ReleaseMouse()
 {
-    wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), wx_static_cast(void*, this));
+    wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), static_cast<void*>(this));
 
     wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive ReleaseMouse call?") );
 
-    wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
+    wxASSERT_MSG( GetCapture() == this,
+                  "attempt to release mouse, but this window hasn't captured it" );
+    wxASSERT_MSG( ms_winCaptureCurrent == this,
+                  "attempt to release mouse, but this window hasn't captured it" );
 
     ms_winCaptureChanging = true;
 
@@ -2392,7 +2803,7 @@ void wxWindowBase::ReleaseMouse()
 
     wxLogTrace(_T("mousecapture"),
         (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
-        wx_static_cast(void*, GetCapture()));
+        static_cast<void*>(GetCapture()));
 }
 
 static void DoNotifyWindowAboutCaptureLost(wxWindow *win)
@@ -2401,6 +2812,10 @@ static void DoNotifyWindowAboutCaptureLost(wxWindow *win)
     event.SetEventObject(win);
     if ( !win->GetEventHandler()->ProcessEvent(event) )
     {
+        // windows must handle this event, otherwise the app wouldn't behave
+        // correctly if it loses capture unexpectedly; see the discussion here:
+        // http://sourceforge.net/tracker/index.php?func=detail&aid=1153662&group_id=9863&atid=109863
+        // http://article.gmane.org/gmane.comp.lib.wxwidgets.devel/82376
         wxFAIL_MSG( _T("window that captured the mouse didn't process wxEVT_MOUSE_CAPTURE_LOST") );
     }
 }
@@ -2452,14 +2867,6 @@ bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
 
 #endif // wxUSE_HOTKEY
 
-void wxWindowBase::SendDestroyEvent()
-{
-    wxWindowDestroyEvent event;
-    event.SetEventObject(this);
-    event.SetId(GetId());
-    GetEventHandler()->ProcessEvent(event);
-}
-
 // ----------------------------------------------------------------------------
 // event processing
 // ----------------------------------------------------------------------------
@@ -2471,8 +2878,8 @@ bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
     // is receiving the event
     if ( event.GetEventObject() == this )
     {
-        wxValidator *validator = GetValidator();
-        if ( validator && validator->ProcessEvent(event) )
+        wxValidator * const validator = GetValidator();
+        if ( validator && validator->ProcessEventHere(event) )
         {
             return true;
         }
@@ -2507,24 +2914,68 @@ bool wxWindowBase::TryParent(wxEvent& event)
     return wxEvtHandler::TryParent(event);
 }
 
+// ----------------------------------------------------------------------------
+// window relationships
+// ----------------------------------------------------------------------------
+
+wxWindow *wxWindowBase::DoGetSibling(WindowOrder order) const
+{
+    wxCHECK_MSG( GetParent(), NULL,
+                    _T("GetPrev/NextSibling() don't work for TLWs!") );
+
+    wxWindowList& siblings = GetParent()->GetChildren();
+    wxWindowList::compatibility_iterator i = siblings.Find((wxWindow *)this);
+    wxCHECK_MSG( i, NULL, _T("window not a child of its parent?") );
+
+    if ( order == OrderBefore )
+        i = i->GetPrevious();
+    else // OrderAfter
+        i = i->GetNext();
+
+    return i ? i->GetData() : NULL;
+}
+
 // ----------------------------------------------------------------------------
 // keyboard navigation
 // ----------------------------------------------------------------------------
 
-// Navigates in the specified direction.
-bool wxWindowBase::Navigate(int flags)
+// Navigates in the specified direction inside this window
+bool wxWindowBase::DoNavigateIn(int flags)
 {
+#ifdef wxHAS_NATIVE_TAB_TRAVERSAL
+    // native code doesn't process our wxNavigationKeyEvents anyhow
+    wxUnusedVar(flags);
+    return false;
+#else // !wxHAS_NATIVE_TAB_TRAVERSAL
     wxNavigationKeyEvent eventNav;
+    wxWindow *focused = FindFocus();
+    eventNav.SetCurrentFocus(focused);
+    eventNav.SetEventObject(focused);
     eventNav.SetFlags(flags);
-    eventNav.SetEventObject(this);
-    if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
-    {
-        return true;
-    }
-    return false;
+    return GetEventHandler()->ProcessEvent(eventNav);
+#endif // wxHAS_NATIVE_TAB_TRAVERSAL/!wxHAS_NATIVE_TAB_TRAVERSAL
 }
 
-void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
+bool wxWindowBase::HandleAsNavigationKey(const wxKeyEvent& event)
+{
+    if ( event.GetKeyCode() != WXK_TAB )
+        return false;
+
+    int flags = wxNavigationKeyEvent::FromTab;
+
+    if ( event.ShiftDown() )
+        flags |= wxNavigationKeyEvent::IsBackward;
+    else
+        flags |= wxNavigationKeyEvent::IsForward;
+
+    if ( event.ControlDown() )
+        flags |= wxNavigationKeyEvent::WinChange;
+
+    Navigate(flags);
+    return true;
+}
+
+void wxWindowBase::DoMoveInTabOrder(wxWindow *win, WindowOrder move)
 {
     // check that we're not a top level window
     wxCHECK_RET( GetParent(),
@@ -2544,7 +2995,7 @@ void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
     // can't just move the node around
     wxWindow *self = (wxWindow *)this;
     siblings.DeleteObject(self);
-    if ( move == MoveAfter )
+    if ( move == OrderAfter )
     {
         i = i->GetNext();
     }
@@ -2553,7 +3004,7 @@ void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
     {
         siblings.Insert(i, self);
     }
-    else // MoveAfter and win was the last sibling
+    else // OrderAfter and win was the last sibling
     {
         siblings.Append(self);
     }
@@ -2569,6 +3020,68 @@ void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
     return win ? win->GetMainWindowOfCompositeControl() : NULL;
 }
 
+bool wxWindowBase::HasFocus() const
+{
+    wxWindowBase *win = DoFindFocus();
+    return win == this ||
+           win == wxConstCast(this, wxWindowBase)->GetMainWindowOfCompositeControl();
+}
+
+// ----------------------------------------------------------------------------
+// drag and drop
+// ----------------------------------------------------------------------------
+
+#if wxUSE_DRAG_AND_DROP && !defined(__WXMSW__)
+
+namespace
+{
+
+class DragAcceptFilesTarget : public wxFileDropTarget
+{
+public:
+    DragAcceptFilesTarget(wxWindowBase *win) : m_win(win) {}
+
+    virtual bool OnDropFiles(wxCoord x, wxCoord y,
+                             const wxArrayString& filenames)
+    {
+        wxDropFilesEvent event(wxEVT_DROP_FILES,
+                               filenames.size(),
+                               wxCArrayString(filenames).Release());
+        event.SetEventObject(m_win);
+        event.m_pos.x = x;
+        event.m_pos.y = y;
+
+        return m_win->HandleWindowEvent(event);
+    }
+
+private:
+    wxWindowBase * const m_win;
+
+    wxDECLARE_NO_COPY_CLASS(DragAcceptFilesTarget);
+};
+
+
+} // anonymous namespace
+
+// Generic version of DragAcceptFiles(). It works by installing a simple
+// wxFileDropTarget-to-EVT_DROP_FILES adaptor and therefore cannot be used
+// together with explicit SetDropTarget() calls.
+void wxWindowBase::DragAcceptFiles(bool accept)
+{
+    if ( accept )
+    {
+        wxASSERT_MSG( !GetDropTarget(),
+                      "cannot use DragAcceptFiles() and SetDropTarget() together" );
+        SetDropTarget(new DragAcceptFilesTarget(this));
+    }
+    else
+    {
+        SetDropTarget(NULL);
+    }
+}
+
+#endif // wxUSE_DRAG_AND_DROP && !defined(__WXMSW__)
+
 // ----------------------------------------------------------------------------
 // global functions
 // ----------------------------------------------------------------------------
@@ -2985,6 +3498,7 @@ wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible**
     return wxACC_NOT_IMPLEMENTED;
 }
 
+#if wxUSE_VARIANT
 // Gets a variant representing the selected children
 // of this object.
 // Acceptable values:
@@ -3001,5 +3515,25 @@ wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
 
     return wxACC_NOT_IMPLEMENTED;
 }
+#endif // wxUSE_VARIANT
 
 #endif // wxUSE_ACCESSIBILITY
+
+// ----------------------------------------------------------------------------
+// RTL support
+// ----------------------------------------------------------------------------
+
+wxCoord
+wxWindowBase::AdjustForLayoutDirection(wxCoord x,
+                                       wxCoord width,
+                                       wxCoord widthTotal) const
+{
+    if ( GetLayoutDirection() == wxLayout_RightToLeft )
+    {
+        x = widthTotal - x - width;
+    }
+
+    return x;
+}
+
+