]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/wincmn.cpp
pc 2 mac conversion for file operations
[wxWidgets.git] / src / common / wincmn.cpp
index 65fdad6ae3053458280df79c5f4a0fe835e11315..383c61e8fa112b6d18a7f86ae65e77a1db9c0680 100644 (file)
@@ -6,7 +6,7 @@
 // Created:     13/07/98
 // RCS-ID:      $Id$
 // Copyright:   (c) wxWindows team
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
     #include "wx/control.h"
     #include "wx/checkbox.h"
     #include "wx/radiobut.h"
+    #include "wx/statbox.h"
     #include "wx/textctrl.h"
     #include "wx/settings.h"
     #include "wx/dialog.h"
     #include "wx/msgdlg.h"
     #include "wx/statusbr.h"
+    #include "wx/dcclient.h"
 #endif //WX_PRECOMP
 
 #if wxUSE_CONSTRAINTS
     #include "wx/dnd.h"
 #endif // wxUSE_DRAG_AND_DROP
 
+#if wxUSE_ACCESSIBILITY
+    #include "wx/access.h"
+#endif
+
 #if wxUSE_HELP
     #include "wx/cshelp.h"
 #endif // wxUSE_HELP
 // static data
 // ----------------------------------------------------------------------------
 
+#if defined(__WXPM__)
+int wxWindowBase::ms_lastControlId = 2000;
+#else
 int wxWindowBase::ms_lastControlId = -200;
+#endif
 
 IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
 
@@ -139,15 +149,13 @@ void wxWindowBase::InitBase()
     m_hasBgCol =
     m_hasFgCol =
     m_hasFont = FALSE;
+    
+    m_isBeingDeleted = FALSE;
 
     // no style bits
     m_exStyle =
     m_windowStyle = 0;
 
-    // an optimization for the event processing: checking this flag is much
-    // faster than using IsKindOf(CLASSINFO(wxWindow))
-    m_isWindow = TRUE;
-
 #if wxUSE_CONSTRAINTS
     // no constraints whatsoever
     m_constraints = (wxLayoutConstraints *) NULL;
@@ -174,6 +182,10 @@ void wxWindowBase::InitBase()
     m_hasCustomPalette = FALSE;
 #endif // wxUSE_PALETTE
 
+#if wxUSE_ACCESSIBILITY
+    m_accessible = NULL;
+#endif
+
     m_virtualSize = wxDefaultSize;
 
     m_minVirtualWidth =
@@ -194,13 +206,25 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
                               const wxValidator& validator,
                               const wxString& name)
 {
-    // m_isWindow is set to TRUE in wxWindowBase::Init() as well as many other
-    // member variables - check that it has been called (will catch the case
-    // when a new ctor is added which doesn't call InitWindow)
-    wxASSERT_MSG( m_isWindow, wxT("Init() must have been called before!") );
+#if wxUSE_STATBOX
+    // wxGTK doesn't allow to create controls with static box as the parent so
+    // this will result in a crash when the program is ported to wxGTK so warn
+    // the user about it
+
+    // if you get this assert, the correct solution is to create the controls
+    // as siblings of the static box
+    wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox),
+                  _T("wxStaticBox can't be used as a window parent!") );
+#endif // wxUSE_STATBOX
+
+    // 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 wxWindows own usage)
+    wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
+                  _T("invalid id value") );
 
     // generate a new id if the user doesn't care about it
-    m_windowId = id == -1 ? NewControlId() : id;
+    m_windowId = id == wxID_ANY ? NewControlId() : id;
 
     SetName(name);
     SetWindowStyleFlag(style);
@@ -215,7 +239,7 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent,
     // dialog/frame and all children will inherit it by defult
     if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
     {
-        SetExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY);
+        SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
     }
 
     return TRUE;
@@ -270,7 +294,7 @@ wxWindowBase::~wxWindowBase()
 #endif // wxUSE_CONSTRAINTS
 
     if ( m_containingSizer )
-        m_containingSizer->Remove((wxWindow*)this);
+        m_containingSizer->Detach( (wxWindow*)this );
 
     if ( m_windowSizer )
         delete m_windowSizer;
@@ -285,6 +309,11 @@ wxWindowBase::~wxWindowBase()
         delete m_tooltip;
 #endif // wxUSE_TOOLTIPS
 
+#if wxUSE_ACCESSIBILITY
+    if ( m_accessible )
+        delete m_accessible;
+#endif
+
     // reset the dangling pointer our parent window may keep to us
     if ( m_parent && m_parent->GetDefaultItem() == this )
     {
@@ -364,6 +393,20 @@ void wxWindowBase::Centre(int direction)
             }
         }
 
+        // there is no wxTopLevelWindow under wxMotif yet
+#ifndef __WXMOTIF__
+        // we shouldn't center the dialog on the iconized window: under
+        // Windows, for example, this places it completely off the screen
+        if ( parent )
+        {
+            wxTopLevelWindow *winTop = wxDynamicCast(parent, wxTopLevelWindow);
+            if ( winTop && winTop->IsIconized() )
+            {
+                parent = NULL;
+            }
+        }
+#endif // __WXMOTIF__
+
         // did we find the parent?
         if ( !parent )
         {
@@ -452,6 +495,15 @@ void wxWindowBase::Fit()
     //else: do nothing if we have no children
 }
 
+// fits virtual size (ie. scrolled area etc.) around children
+void wxWindowBase::FitInside()
+{
+    if ( GetChildren().GetCount() > 0 )
+    {
+        SetVirtualSize( GetBestVirtualSize() );
+    }
+}
+
 // return the size best suited for the current window
 wxSize wxWindowBase::DoGetBestSize() const
 {
@@ -562,6 +614,12 @@ void wxWindowBase::SetSizeHints(int minW, int minH,
                                 int maxW, int maxH,
                                 int WXUNUSED(incW), int WXUNUSED(incH))
 {
+    // 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 == -1 || maxW == -1 || minW <= maxW) &&
+                    (minH == -1 || maxH == -1 || minH <= maxH),
+                 _T("min width/height must be less than max width/height!") );
+
     m_minWidth = minW;
     m_maxWidth = maxW;
     m_minHeight = minH;
@@ -575,8 +633,6 @@ void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
     m_maxVirtualWidth = maxW;
     m_minVirtualHeight = minH;
     m_maxVirtualHeight = maxH;
-
-    SetVirtualSize( GetClientSize() );
 }
 
 void wxWindowBase::DoSetVirtualSize( int x, int y )
@@ -597,12 +653,8 @@ wxSize wxWindowBase::DoGetVirtualSize() const
 {
     wxSize  s( GetClientSize() );
 
-    if( m_virtualSize.GetWidth() != -1 )
-        s.SetWidth( m_virtualSize.GetWidth() );
-    if( m_virtualSize.GetHeight() != -1 )
-        s.SetHeight( m_virtualSize.GetHeight() );
-
-    return s;
+    return wxSize( wxMax( m_virtualSize.GetWidth(), s.GetWidth() ),
+                   wxMax( m_virtualSize.GetHeight(), s.GetHeight() ) );
 }
 
 // ----------------------------------------------------------------------------
@@ -708,7 +760,13 @@ bool wxWindowBase::Reparent(wxWindowBase *newParent)
 
 void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
 {
-    handler->SetNextHandler(GetEventHandler());
+    wxEvtHandler *handlerOld = GetEventHandler();
+
+    handler->SetNextHandler(handlerOld);
+
+    if ( handlerOld )
+        GetEventHandler()->SetPreviousHandler(handler);
+
     SetEventHandler(handler);
 }
 
@@ -719,7 +777,11 @@ wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
     {
         wxEvtHandler *handlerB = handlerA->GetNextHandler();
         handlerA->SetNextHandler((wxEvtHandler *)NULL);
+
+        if ( handlerB )
+            handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
         SetEventHandler(handlerB);
+
         if ( deleteHandler )
         {
             delete handlerA;
@@ -751,6 +813,10 @@ bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
                 SetEventHandler(handlerNext);
             }
 
+            if ( handlerNext )
+            {
+                handlerNext->SetPreviousHandler ( handlerPrev );
+            }
             handler->SetNextHandler(NULL);
 
             return TRUE;
@@ -1126,7 +1192,9 @@ bool wxWindowBase::TransferDataToWindow()
         if ( validator && !validator->TransferToWindow() )
         {
             wxLogWarning(_("Could not transfer data to window"));
+#if wxUSE_LOG
             wxLog::FlushActive();
+#endif // wxUSE_LOG
 
             return FALSE;
         }
@@ -1725,10 +1793,16 @@ void wxWindowBase::UpdateWindowUI()
 #if wxUSE_TEXTCTRL
                 wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl);
                 if ( text )
-                    text->SetValue(event.GetText());
+                {
+                       if ( event.GetText() != text->GetValue() )
+                       text->SetValue(event.GetText());
+                }
                 else
 #endif // wxUSE_TEXTCTRL
-                    control->SetLabel(event.GetText());
+                               {
+                                       if ( event.GetText() != control->GetLabel() )
+                       control->SetLabel(event.GetText());
+                }
             }
         }
 
@@ -1827,27 +1901,27 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
 
         switch ( wxGetOsVersion() )
         {
-            case wxMOTIF_X:     port = _T("Motif"); break;
+            case wxMOTIF_X:     port += _T("Motif"); break;
             case wxMAC:
-            case wxMAC_DARWIN:  port = _T("Mac"); break;
-            case wxBEOS:        port = _T("BeOS"); break;
+            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 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 wxWIN386:      port += _T("MS Windows"); break;
             case wxMGL_UNIX:
             case wxMGL_X:
             case wxMGL_WIN32:
-            case wxMGL_OS2:     port = _T("MGL"); break;
+            case wxMGL_OS2:     port += _T("MGL"); break;
             case wxWINDOWS_OS2:
-            case wxOS2_PM:      port = _T("OS/2"); break;
-            default:            port = _T("unknown"); break;
+            case wxOS2_PM:      port += _T("OS/2"); break;
+            default:            port += _T("unknown"); break;
         }
 
         wxMessageBox(wxString::Format(
@@ -1877,6 +1951,36 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
     }
 }
 
+// ----------------------------------------------------------------------------
+// accessibility
+// ----------------------------------------------------------------------------
+
+#if wxUSE_ACCESSIBILITY
+void wxWindowBase::SetAccessible(wxAccessible* accessible)
+{
+    if (m_accessible && (accessible != m_accessible))
+        delete m_accessible;
+    m_accessible = accessible;
+    if (m_accessible)
+        m_accessible->SetWindow((wxWindow*) this);
+}
+
+// Returns the accessible object, creating if necessary.
+wxAccessible* wxWindowBase::GetOrCreateAccessible()
+{
+    if (!m_accessible)
+        m_accessible = CreateAccessible();
+    return m_accessible;
+}
+
+// Override to create a specific accessible object.
+wxAccessible* wxWindowBase::CreateAccessible()
+{
+    return new wxWindowAccessible((wxWindow*) this);
+}
+
+#endif
+
 // ----------------------------------------------------------------------------
 // list classes implementation
 // ----------------------------------------------------------------------------
@@ -1938,13 +2042,13 @@ struct WXDLLEXPORT wxWindowNext
 
 void wxWindowBase::CaptureMouse()
 {
-    wxLogTrace(_T("mousecapture"), _T("CaptureMouse(0x%08x)"), this);
+    wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
 
     wxWindow *winOld = GetCapture();
     if ( winOld )
     {
         ((wxWindowBase*) winOld)->DoReleaseMouse();
-       
+
         // save it on stack
         wxWindowNext *item = new wxWindowNext;
         item->win = winOld;
@@ -1958,16 +2062,16 @@ void wxWindowBase::CaptureMouse()
 
 void wxWindowBase::ReleaseMouse()
 {
-    wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(0x%08x)"), this);
+    wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
 
-    wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") )
+    wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
 
     DoReleaseMouse();
 
     if ( ms_winCaptureNext )
     {
         ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
-       
+
         wxWindowNext *item = ms_winCaptureNext;
         ms_winCaptureNext = item->next;
         delete item;
@@ -1975,10 +2079,65 @@ void wxWindowBase::ReleaseMouse()
     //else: stack is empty, no previous capture
 
     wxLogTrace(_T("mousecapture"),
-               _T("After ReleaseMouse() mouse is captured by 0x%08x"),
+               _T("After ReleaseMouse() mouse is captured by %p"),
                GetCapture());
 }
 
+
+void wxWindowBase::SendDestroyEvent()
+{
+    wxWindowDestroyEvent event;
+    event.SetEventObject(this);
+    event.SetId(GetId());
+    GetEventHandler()->ProcessEvent(event);
+}
+
+// ----------------------------------------------------------------------------
+// event processing
+// ----------------------------------------------------------------------------
+
+#if wxUSE_VALIDATORS
+
+bool wxWindowBase::TryValidator(wxEvent& event)
+{
+    // Can only use the validator of the window which
+    // is receiving the event
+    if ( event.GetEventObject() == this )
+    {
+        wxValidator *validator = GetValidator();
+        if ( validator && validator->ProcessEvent(event) )
+        {
+            return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+
+#endif // wxUSE_VALIDATORS
+
+bool wxWindowBase::TryParent(wxEvent& event)
+{
+    // Carry on up the parent-child hierarchy, but only if event is a command
+    // event: it wouldn't make sense for a parent to receive a child's size
+    // event, for example
+    if ( event.IsCommandEvent() )
+    {
+        // honour the requests to stop propagation at this window: this is
+        // used by the dialogs, for example, to prevent processing the events
+        // from the dialog controls in the parent frame which rarely, if ever,
+        // makes sense
+        if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
+        {
+            wxWindow *parent = GetParent();
+            if ( parent && !parent->IsBeingDeleted() )
+                return parent->GetEventHandler()->ProcessEvent(event);
+        }
+    }
+
+    return wxEvtHandler::TryParent(event);
+}
+
 // ----------------------------------------------------------------------------
 // global functions
 // ----------------------------------------------------------------------------
@@ -1991,3 +2150,417 @@ wxWindow* wxGetTopLevelParent(wxWindow *win)
     return win;
 }
 
+#if wxUSE_ACCESSIBILITY
+// ----------------------------------------------------------------------------
+// accessible object for windows
+// ----------------------------------------------------------------------------
+
+// Can return either a child object, or an integer
+// representing the child element, starting from 1.
+wxAccStatus wxWindowAccessible::HitTest(const wxPoint& pt, int* childId, wxAccessible** childObject)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns the rectangle for this object (id = 0) or a child element (id > 0).
+wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    wxWindow* win = NULL;
+    if (elementId == 0)
+    {
+        win = GetWindow();
+    }
+    else
+    {
+        if (elementId <= (int) GetWindow()->GetChildren().GetCount())
+        {
+            win = (wxWindow*) GetWindow()->GetChildren().Nth(elementId-1)->GetData();
+        }
+        else
+            return wxACC_FAIL;
+    }
+    if (win)
+    {
+        rect = win->GetRect();
+        if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
+            rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
+        return wxACC_OK;
+    }
+
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Navigates from fromId to toId/toObject.
+wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
+                             int* toId, wxAccessible** toObject)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    switch (navDir)
+    {
+    case wxNAVDIR_FIRSTCHILD:
+        {
+            if (GetWindow()->GetChildren().GetCount() == 0)
+                return wxACC_FALSE;
+            wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
+            *toObject = childWindow->GetOrCreateAccessible();
+
+            return wxACC_OK;
+        }
+    case wxNAVDIR_LASTCHILD:
+        {
+            if (GetWindow()->GetChildren().GetCount() == 0)
+                return wxACC_FALSE;
+            wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
+            *toObject = childWindow->GetOrCreateAccessible();
+
+            return wxACC_OK;
+        }
+    case wxNAVDIR_RIGHT:
+    case wxNAVDIR_DOWN:
+    case wxNAVDIR_NEXT:
+        {
+            wxWindowList::Node *node = NULL;
+            if (fromId == 0)
+            {
+                // Can't navigate to sibling of this window
+                // if we're a top-level window.
+                if (!GetWindow()->GetParent())
+                    return wxACC_NOT_IMPLEMENTED;
+
+                node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
+            }
+            else
+            {
+                if (fromId <= (int) GetWindow()->GetChildren().GetCount())
+                    node = (wxWindowList::Node*) GetWindow()->GetChildren().Nth(fromId-1);
+            }
+
+            if (node && node->GetNext())
+            {
+                wxWindow* nextWindow = (wxWindow*) node->GetNext()->Data();
+                *toObject = nextWindow->GetOrCreateAccessible();
+                return wxACC_OK;
+            }
+            else
+                return wxACC_FALSE;
+        }
+    case wxNAVDIR_LEFT:
+    case wxNAVDIR_UP:
+    case wxNAVDIR_PREVIOUS:
+        {
+            wxWindowList::Node *node = NULL;
+            if (fromId == 0)
+            {
+                // Can't navigate to sibling of this window
+                // if we're a top-level window.
+                if (!GetWindow()->GetParent())
+                    return wxACC_NOT_IMPLEMENTED;
+
+                node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
+            }
+            else
+            {
+                if (fromId <= (int) GetWindow()->GetChildren().GetCount())
+                    node = (wxWindowList::Node*) GetWindow()->GetChildren().Nth(fromId-1);
+            }
+
+            if (node && node->GetPrevious())
+            {
+                wxWindow* previousWindow = (wxWindow*) node->GetPrevious()->Data();
+                *toObject = previousWindow->GetOrCreateAccessible();
+                return wxACC_OK;
+            }
+            else
+                return wxACC_FALSE;
+        }
+    }
+
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Gets the name of the specified object.
+wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    wxString title;
+
+    // If a child, leave wxWindows to call the function on the actual
+    // child object.
+    if (childId > 0)
+        return wxACC_NOT_IMPLEMENTED;
+
+    // This will eventually be replaced by specialised
+    // accessible classes, one for each kind of wxWindows
+    // control or window.
+    if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
+        title = ((wxButton*) GetWindow())->GetLabel();
+    else
+        title = GetWindow()->GetName();
+    
+    if (!title.IsEmpty())
+    {
+        *name = title;
+        return wxACC_OK;
+    }
+    else
+        return wxACC_NOT_IMPLEMENTED;
+}
+
+// Gets the number of children.
+wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    *childId = (int) GetWindow()->GetChildren().GetCount();
+    return wxACC_OK;
+}
+
+// Gets the specified child (starting from 1).
+// If *child is NULL and return value is wxACC_OK,
+// this means that the child is a simple element and
+// not an accessible object.
+wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    if (childId == 0)
+    {
+        *child = this;
+        return wxACC_OK;
+    }
+
+    if (childId > (int) GetWindow()->GetChildren().GetCount())
+        return wxACC_FAIL;
+
+    wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().Nth(childId-1)->GetData();
+    *child = childWindow->GetOrCreateAccessible();
+    if (*child)
+        return wxACC_OK;
+    else
+        return wxACC_FAIL;
+}
+
+// Gets the parent, or NULL.
+wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    wxWindow* parentWindow = GetWindow()->GetParent();
+    if (!parentWindow)
+    {
+        *parent = NULL;
+        return wxACC_OK;
+    }
+    else
+    {
+        *parent = parentWindow->GetOrCreateAccessible();
+        if (*parent)
+            return wxACC_OK;
+        else
+            return wxACC_FAIL;
+    }
+}
+
+// Performs the default action. childId is 0 (the action for this object)
+// or > 0 (the action for a child).
+// Return wxACC_NOT_SUPPORTED if there is no default action for this
+// window (e.g. an edit control).
+wxAccStatus wxWindowAccessible::DoDefaultAction(int childId)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Gets the default action for this object (0) or > 0 (the action for a child).
+// Return wxACC_OK even if there is no action. actionName is the action, or the empty
+// string if there is no action.
+// The retrieved string describes the action that is performed on an object,
+// not what the object does as a result. For example, a toolbar button that prints
+// a document has a default action of "Press" rather than "Prints the current document."
+wxAccStatus wxWindowAccessible::GetDefaultAction(int childId, wxString* actionName)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns the description for this object or a child.
+wxAccStatus wxWindowAccessible::GetDescription(int childId, wxString* description)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    wxString ht(GetWindow()->GetHelpText());
+    if (!ht.IsEmpty())
+    {
+        *description = ht;
+        return wxACC_OK;
+    }
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns help text for this object or a child, similar to tooltip text.
+wxAccStatus wxWindowAccessible::GetHelpText(int childId, wxString* helpText)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    wxString ht(GetWindow()->GetHelpText());
+    if (!ht.IsEmpty())
+    {
+        *helpText = ht;
+        return wxACC_OK;
+    }
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns the keyboard shortcut for this object or child.
+// Return e.g. ALT+K
+wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int childId, wxString* shortcut)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns a role constant.
+wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    // If a child, leave wxWindows to call the function on the actual
+    // child object.
+    if (childId > 0)
+        return wxACC_NOT_IMPLEMENTED;
+
+    if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
+        return wxACC_NOT_IMPLEMENTED;
+#if wxUSE_STATUSBAR
+    if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
+        return wxACC_NOT_IMPLEMENTED;
+#endif
+#if wxUSE_TOOLBAR
+    if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
+        return wxACC_NOT_IMPLEMENTED;
+#endif
+
+    //*role = wxROLE_SYSTEM_CLIENT;
+    *role = wxROLE_SYSTEM_CLIENT;
+    return wxACC_OK;
+
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns a state constant.
+wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    // If a child, leave wxWindows to call the function on the actual
+    // child object.
+    if (childId > 0)
+        return wxACC_NOT_IMPLEMENTED;
+
+    if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
+        return wxACC_NOT_IMPLEMENTED;
+
+#if wxUSE_STATUSBAR
+    if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
+        return wxACC_NOT_IMPLEMENTED;
+#endif
+#if wxUSE_TOOLBAR
+    if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
+        return wxACC_NOT_IMPLEMENTED;
+#endif
+
+    *state = 0;
+    return wxACC_OK;
+
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns a localized string representing the value for the object
+// or child.
+wxAccStatus wxWindowAccessible::GetValue(int childId, wxString* strValue)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Selects the object or child.
+wxAccStatus wxWindowAccessible::Select(int childId, wxAccSelectionFlags selectFlags)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Gets the window with the keyboard focus.
+// If childId is 0 and child is NULL, no object in
+// this subhierarchy has the focus.
+// If this object has the focus, child should be 'this'.
+wxAccStatus wxWindowAccessible::GetFocus(int* childId, wxAccessible** child)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+// Gets a variant representing the selected children
+// of this object.
+// Acceptable values:
+// - a null variant (IsNull() returns TRUE)
+// - a list variant (GetType() == wxT("list")
+// - an integer representing the selected child element,
+//   or 0 if this object is selected (GetType() == wxT("long")
+// - a "void*" pointer to a wxAccessible child object
+wxAccStatus wxWindowAccessible::GetSelections(wxVariant* selections)
+{
+    wxASSERT( GetWindow() != NULL );
+    if (!GetWindow())
+        return wxACC_FAIL;
+
+    return wxACC_NOT_IMPLEMENTED;
+}
+
+#endif // wxUSE_ACCESSIBILITY