+
+int wxWindowBase::GetBestHeight(int width) const
+{
+ const int height = DoGetBestClientHeight(width);
+
+ return height == wxDefaultCoord
+ ? GetBestSize().y
+ : height + DoGetBorderSize().y;
+}
+
+int wxWindowBase::GetBestWidth(int height) const
+{
+ const int width = DoGetBestClientWidth(height);
+
+ return width == wxDefaultCoord
+ ? GetBestSize().x
+ : width + DoGetBorderSize().x;
+}
+
+void wxWindowBase::SetMinSize(const wxSize& minSize)
+{
+ m_minWidth = minSize.x;
+ m_minHeight = minSize.y;
+
+ InvalidateBestSize();
+}
+
+void wxWindowBase::SetMaxSize(const wxSize& maxSize)
+{
+ m_maxWidth = maxSize.x;
+ m_maxHeight = maxSize.y;
+
+ InvalidateBestSize();
+}
+
+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 = GetEffectiveMinSize();
+
+ // If the current size doesn't match then change it
+ if (GetSize() != best)
+ SetSize(best);
+}
+
+
+// by default the origin is not shifted
+wxPoint wxWindowBase::GetClientAreaOrigin() const
+{
+ return wxPoint(0,0);
+}
+
+wxSize wxWindowBase::ClientToWindowSize(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);
+}
+
+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 )
+{
+ if ( m_windowVariant != variant )
+ {
+ m_windowVariant = variant;
+
+ DoSetWindowVariant(variant);
+ }
+}
+
+void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
+{
+ // adjust the font height to correspond to our new variant (notice that
+ // we're only called if something really changed)
+ wxFont font = GetFont();
+ int size = font.GetPointSize();
+ switch ( variant )
+ {
+ case wxWINDOW_VARIANT_NORMAL:
+ break;
+
+ case wxWINDOW_VARIANT_SMALL:
+ size = wxRound(size * 3.0 / 4.0);
+ break;
+
+ case wxWINDOW_VARIANT_MINI:
+ size = wxRound(size * 2.0 / 3.0);
+ break;
+
+ case wxWINDOW_VARIANT_LARGE:
+ size = wxRound(size * 5.0 / 4.0);
+ break;
+
+ default:
+ wxFAIL_MSG(wxT("unexpected window variant"));
+ break;
+ }
+
+ font.SetPointSize(size);
+ SetFont(font);
+}
+
+void wxWindowBase::DoSetSizeHints( int minW, int minH,
+ int maxW, int maxH,
+ int WXUNUSED(incW), int WXUNUSED(incH) )
+{
+ wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
+ (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
+ wxT("min width/height must be less than max width/height!") );
+
+ m_minWidth = minW;
+ m_maxWidth = maxW;
+ m_minHeight = minH;
+ m_maxHeight = maxH;
+}
+
+
+#if WXWIN_COMPATIBILITY_2_8
+void wxWindowBase::SetVirtualSizeHints(int WXUNUSED(minW), int WXUNUSED(minH),
+ int WXUNUSED(maxW), int WXUNUSED(maxH))
+{
+}
+
+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);
+}
+
+wxSize wxWindowBase::DoGetVirtualSize() const
+{
+ // we should use the entire client area so if it is greater than our
+ // virtual size, expand it to fit (otherwise if the window is big enough we
+ // wouldn't be using parts of it)
+ wxSize size = GetClientSize();
+ if ( m_virtualSize.x > size.x )
+ size.x = m_virtualSize.x;
+
+ if ( m_virtualSize.y >= size.y )
+ size.y = m_virtualSize.y;
+
+ return size;
+}
+
+void wxWindowBase::DoGetScreenPosition(int *x, int *y) const
+{
+ // screen position is the same as (0, 0) in client coords for non TLWs (and
+ // TLWs override this method)
+ if ( x )
+ *x = 0;
+ if ( y )
+ *y = 0;
+
+ ClientToScreen(x, y);
+}
+
+void wxWindowBase::SendSizeEvent(int flags)
+{
+ wxSizeEvent event(GetSize(), GetId());
+ event.SetEventObject(this);
+ if ( flags & wxSEND_EVENT_POST )
+ wxPostEvent(GetEventHandler(), event);
+ else
+ HandleWindowEvent(event);
+}
+
+void wxWindowBase::SendSizeEventToParent(int flags)
+{
+ wxWindow * const parent = GetParent();
+ if ( parent && !parent->IsBeingDeleted() )
+ parent->SendSizeEvent(flags);
+}
+
+bool wxWindowBase::HasScrollbar(int orient) const
+{
+ // if scrolling in the given direction is disabled, we can't have the
+ // corresponding scrollbar no matter what
+ if ( !CanScroll(orient) )
+ return false;
+
+ const wxSize sizeVirt = GetVirtualSize();
+ const wxSize sizeClient = GetClientSize();
+
+ return orient == wxHORIZONTAL ? sizeVirt.x > sizeClient.x
+ : sizeVirt.y > sizeClient.y;
+}
+
+// ----------------------------------------------------------------------------
+// show/hide/enable/disable the window
+// ----------------------------------------------------------------------------
+
+bool wxWindowBase::Show(bool show)
+{
+ if ( show != m_isShown )
+ {
+ m_isShown = show;
+
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+}
+
+bool wxWindowBase::IsEnabled() const
+{
+ return IsThisEnabled() && (IsTopLevel() || !GetParent() || GetParent()->IsEnabled());
+}
+
+void wxWindowBase::NotifyWindowOnEnableChange(bool enabled)
+{
+ // Under some platforms there is no need to update the window state
+ // explicitly, it will become disabled when its parent is. On other ones we
+ // do need to disable all windows recursively though.
+#ifndef wxHAS_NATIVE_ENABLED_MANAGEMENT
+ DoEnable(enabled);
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+
+ OnEnabled(enabled);
+
+ // Disabling a top level window is typically done when showing a modal
+ // dialog and we don't need to disable its children in this case, they will
+ // be logically disabled anyhow (i.e. their IsEnabled() will return false)
+ // and the TLW won't accept any input for them. Moreover, explicitly
+ // disabling them would look ugly as the entire TLW would be greyed out
+ // whenever a modal dialog is shown and no native applications under any
+ // platform behave like this.
+ if ( IsTopLevel() && !enabled )
+ return;
+
+ // When disabling (or enabling back) a non-TLW window we need to
+ // recursively propagate the change of the state to its children, otherwise
+ // they would still show as enabled even though they wouldn't actually
+ // accept any input (at least under MSW where children don't accept input
+ // if any of the windows in their parent chain is enabled).
+ //
+ // Notice that we must do this even for wxHAS_NATIVE_ENABLED_MANAGEMENT
+ // platforms as we still need to call the children OnEnabled() recursively.
+ 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;
+
+ // If we call DoEnable() from NotifyWindowOnEnableChange(), we don't need
+ // to do it from here.
+#ifdef wxHAS_NATIVE_ENABLED_MANAGEMENT
+ DoEnable(enable);
+#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
+// ----------------------------------------------------------------------------
+
+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();
+ }
+}
+
+// ----------------------------------------------------------------------------
+// Dealing with parents and children.
+// ----------------------------------------------------------------------------
+
+bool wxWindowBase::IsDescendant(wxWindowBase* win) const
+{
+ // Iterate until we find this window in the parent chain or exhaust it.
+ while ( win )
+ {
+ if ( win == this )
+ return true;
+
+ // Stop iterating on reaching the top level window boundary.
+ if ( win->IsTopLevel() )
+ break;
+
+ win = win->GetParent();
+ }
+
+ return false;
+}
+
+void wxWindowBase::AddChild(wxWindowBase *child)
+{
+ wxCHECK_RET( child, wxT("can't add a NULL child") );
+
+ // this should never happen and it will lead to a crash later if it does
+ // because RemoveChild() will remove only one node from the children list
+ // and the other(s) one(s) will be left with dangling pointers in them
+ wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), wxT("AddChild() called twice") );
+
+ 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);
+}
+
+void wxWindowBase::SetParent(wxWindowBase *parent)
+{
+ // This assert catches typos which may result in using "this" instead of
+ // "parent" when creating the window. This doesn't happen often but when it
+ // does the results are unpleasant because the program typically just
+ // crashes when due to a stack overflow or something similar and this
+ // assert doesn't cost much (OTOH doing a more general check that the
+ // parent is not one of our children would be more expensive and probably
+ // not worth it).
+ wxASSERT_MSG( parent != this, wxS("Can't use window as its own parent") );
+
+ m_parent = (wxWindow *)parent;
+}
+
+bool wxWindowBase::Reparent(wxWindowBase *newParent)
+{
+ wxWindow *oldParent = GetParent();
+ if ( newParent == oldParent )
+ {
+ // nothing done
+ return false;
+ }
+
+ const bool oldEnabledState = IsEnabled();
+
+ // unlink this window from the existing parent.
+ if ( oldParent )
+ {
+ oldParent->RemoveChild(this);
+ }
+ else
+ {
+ wxTopLevelWindows.DeleteObject((wxWindow *)this);
+ }
+
+ // add it to the new one
+ if ( newParent )
+ {
+ newParent->AddChild(this);
+ }
+ else
+ {
+ 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;
+}
+
+// ----------------------------------------------------------------------------
+// event handler stuff
+// ----------------------------------------------------------------------------
+
+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?" );
+
+ // now use wxEvtHandler double-linked list to implement a stack:
+ handlerToPush->SetNextHandler(handlerOld);
+
+ if (handlerOld != this)
+ handlerOld->SetPreviousHandler(handlerToPush);
+
+ SetEventHandler(handlerToPush);
+
+#if wxDEBUG_LEVEL
+ // 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 // wxDEBUG_LEVEL
+}
+
+wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
+{
+ // we need to pop the wxWindow stack, i.e. we need to remove the first handler
+
+ 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" );
+
+ 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);
+
+ // It is harmless but useless to unset the previous handler of the window
+ // itself as it's always NULL anyhow, so don't do this.
+ if ( secondHandler != this )
+ secondHandler->SetPreviousHandler(NULL);
+
+ // now firstHandler is completely unlinked; set secondHandler as the new window event handler
+ SetEventHandler(secondHandler);
+
+ if ( deleteHandler )
+ {
+ wxDELETE(firstHandler);
+ }
+
+ return firstHandler;
+}
+
+bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handlerToRemove)
+{
+ 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;
+ }
+
+ // NOTE: the wxWindow event handler list is always terminated with "this" handler
+ wxEvtHandler *handlerCur = GetEventHandler()->GetNextHandler();
+ while ( handlerCur != this && handlerCur )
+ {
+ wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
+
+ if ( handlerCur == handlerToRemove )
+ {
+ handlerCur->Unlink();
+
+ wxASSERT_MSG( handlerCur != GetEventHandler(),
+ "the case Remove == Pop should was already handled" );
+ return true;
+ }
+
+ handlerCur = handlerNext;
+ }
+
+ wxFAIL_MSG( wxT("where has the event handler gone?") );
+
+ return false;
+}
+
+bool wxWindowBase::HandleWindowEvent(wxEvent& event) const
+{
+ // SafelyProcessEvent() will handle exceptions nicely
+ return GetEventHandler()->SafelyProcessEvent(event);
+}
+
+// ----------------------------------------------------------------------------
+// colours, fonts &c
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::InheritAttributes()
+{
+ const wxWindowBase * const parent = GetParent();
+ if ( !parent )
+ return;
+
+ // we only inherit attributes which had been explicitly set for the parent
+ // which ensures that this only happens if the user really wants it and
+ // not by default which wouldn't make any sense in modern GUIs where the
+ // controls don't all use the same fonts (nor colours)
+ if ( parent->m_inheritFont && !m_hasFont )
+ SetFont(parent->GetFont());
+
+ // in addition, there is a possibility to explicitly forbid inheriting
+ // colours at each class level by overriding ShouldInheritColours()
+ if ( ShouldInheritColours() )
+ {
+ if ( parent->m_inheritFgCol && !m_hasFgCol )
+ SetForegroundColour(parent->GetForegroundColour());
+
+ // inheriting (solid) background colour is wrong as it totally breaks
+ // any kind of themed backgrounds
+ //
+ // instead, the controls should use the same background as their parent
+ // (ideally by not drawing it at all)
+#if 0
+ if ( parent->m_inheritBgCol && !m_hasBgCol )
+ SetBackgroundColour(parent->GetBackgroundColour());
+#endif // 0
+ }
+}
+
+/* static */ wxVisualAttributes
+wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+ // it is important to return valid values for all attributes from here,
+ // GetXXX() below rely on this
+ wxVisualAttributes attrs;
+ attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+ attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
+
+ // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of
+ // the usual background colour than wxSYS_COLOUR_BTNFACE.
+ // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background
+ // colour on other platforms.
+
+#if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__))
+ attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
+#else
+ attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
+#endif
+ return attrs;
+}
+
+wxColour wxWindowBase::GetBackgroundColour() const
+{
+ if ( !m_backgroundColour.IsOk() )
+ {
+ wxASSERT_MSG( !m_hasBgCol, wxT("we have invalid explicit bg colour?") );
+
+ // get our default background colour
+ wxColour colBg = GetDefaultAttributes().colBg;
+
+ // we must return some valid colour to avoid redoing this every time
+ // and also to avoid surprising the applications written for older
+ // wxWidgets versions where GetBackgroundColour() always returned
+ // something -- so give them something even if it doesn't make sense
+ // for this window (e.g. it has a themed background)
+ if ( !colBg.IsOk() )
+ colBg = GetClassDefaultAttributes().colBg;
+
+ return colBg;
+ }
+ else
+ return m_backgroundColour;
+}
+
+wxColour wxWindowBase::GetForegroundColour() const
+{
+ // logic is the same as above
+ if ( !m_hasFgCol && !m_foregroundColour.IsOk() )
+ {
+ wxColour colFg = GetDefaultAttributes().colFg;
+
+ if ( !colFg.IsOk() )
+ colFg = GetClassDefaultAttributes().colFg;
+
+ return colFg;
+ }
+ else
+ return m_foregroundColour;
+}
+
+bool wxWindowBase::SetBackgroundStyle(wxBackgroundStyle style)
+{
+ // The checks below shouldn't be triggered if we're not really changing the
+ // style.
+ if ( style == m_backgroundStyle )
+ return true;
+
+ // Transparent background style can be only set before creation because of
+ // wxGTK limitation.
+ wxCHECK_MSG( (style != wxBG_STYLE_TRANSPARENT) || !GetHandle(),
+ false,
+ "wxBG_STYLE_TRANSPARENT style can only be set before "
+ "Create()-ing the window." );
+
+ // And once it is set, wxBG_STYLE_TRANSPARENT can't be unset.
+ wxCHECK_MSG( (m_backgroundStyle != wxBG_STYLE_TRANSPARENT) ||
+ (style == wxBG_STYLE_TRANSPARENT),
+ false,
+ "wxBG_STYLE_TRANSPARENT can't be unset once it was set." );
+
+ m_backgroundStyle = style;
+
+ return true;
+}
+
+bool wxWindowBase::IsTransparentBackgroundSupported(wxString *reason) const
+{
+ if ( reason )
+ *reason = _("This platform does not support background transparency.");
+
+ return false;
+}
+
+bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
+{
+ if ( colour == m_backgroundColour )
+ return false;
+
+ m_hasBgCol = colour.IsOk();
+
+ m_inheritBgCol = m_hasBgCol;
+ m_backgroundColour = colour;
+ SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.IsOk() );
+ return true;
+}
+
+bool wxWindowBase::SetForegroundColour( const wxColour &colour )
+{
+ if (colour == m_foregroundColour )
+ return false;
+
+ m_hasFgCol = colour.IsOk();
+ m_inheritFgCol = m_hasFgCol;
+ m_foregroundColour = colour;
+ SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.IsOk() );
+ return true;
+}
+
+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.IsSameAs(cursor) )
+ {
+ // no change
+ return false;
+ }
+
+ m_cursor = cursor;
+
+ return true;
+}
+
+wxFont wxWindowBase::GetFont() const
+{
+ // logic is the same as in GetBackgroundColour()
+ if ( !m_font.IsOk() )
+ {
+ wxASSERT_MSG( !m_hasFont, wxT("we have invalid explicit font?") );
+
+ wxFont font = GetDefaultAttributes().font;
+ if ( !font.IsOk() )
+ font = GetClassDefaultAttributes().font;
+
+ return font;
+ }
+ else
+ return m_font;
+}
+
+bool wxWindowBase::SetFont(const wxFont& font)
+{
+ if ( font == m_font )
+ {
+ // no change
+ return false;
+ }
+
+ m_font = font;
+ m_hasFont = font.IsOk();
+ m_inheritFont = m_hasFont;
+
+ InvalidateBestSize();
+
+ return true;
+}
+
+#if wxUSE_PALETTE
+
+void wxWindowBase::SetPalette(const wxPalette& pal)
+{
+ m_hasCustomPalette = true;
+ m_palette = pal;
+
+ // VZ: can anyone explain me what do we do here?
+ wxWindowDC d((wxWindow *) this);
+ d.SetPalette(pal);
+}
+
+wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
+{
+ wxWindow *win = (wxWindow *)this;
+ while ( win && !win->HasCustomPalette() )
+ {
+ win = win->GetParent();
+ }
+
+ return win;
+}
+
+#endif // wxUSE_PALETTE
+
+#if wxUSE_CARET
+void wxWindowBase::SetCaret(wxCaret *caret)
+{
+ if ( m_caret )
+ {
+ delete m_caret;
+ }
+
+ m_caret = caret;
+
+ if ( m_caret )
+ {
+ wxASSERT_MSG( m_caret->GetWindow() == this,
+ wxT("caret should be created associated to this window") );
+ }
+}
+#endif // wxUSE_CARET
+
+#if wxUSE_VALIDATORS
+// ----------------------------------------------------------------------------
+// validators
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::SetValidator(const wxValidator& validator)
+{
+ if ( m_windowValidator )
+ delete m_windowValidator;
+
+ m_windowValidator = (wxValidator *)validator.Clone();
+
+ if ( m_windowValidator )
+ m_windowValidator->SetWindow(this);
+}
+#endif // wxUSE_VALIDATORS
+
+// ----------------------------------------------------------------------------
+// update region stuff
+// ----------------------------------------------------------------------------
+
+wxRect wxWindowBase::GetUpdateClientRect() const
+{
+ wxRegion rgnUpdate = GetUpdateRegion();
+ rgnUpdate.Intersect(GetClientRect());
+ wxRect rectUpdate = rgnUpdate.GetBox();
+ wxPoint ptOrigin = GetClientAreaOrigin();
+ rectUpdate.x -= ptOrigin.x;
+ rectUpdate.y -= ptOrigin.y;
+
+ return rectUpdate;
+}
+
+bool wxWindowBase::DoIsExposed(int x, int y) const
+{
+ return m_updateRegion.Contains(x, y) != wxOutRegion;
+}
+
+bool wxWindowBase::DoIsExposed(int x, int y, int w, int h) const
+{
+ return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
+}
+
+void wxWindowBase::ClearBackground()
+{
+ // wxGTK uses its own version, no need to add never used code
+#ifndef __WXGTK__
+ wxClientDC dc((wxWindow *)this);
+ wxBrush brush(GetBackgroundColour(), wxBRUSHSTYLE_SOLID);
+ dc.SetBackground(brush);
+ dc.Clear();
+#endif // __WXGTK__
+}
+
+// ----------------------------------------------------------------------------
+// find child window by id or name
+// ----------------------------------------------------------------------------
+
+wxWindow *wxWindowBase::FindWindow(long id) const
+{
+ if ( id == m_windowId )
+ return (wxWindow *)this;
+
+ wxWindowBase *res = NULL;
+ wxWindowList::compatibility_iterator node;
+ for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
+ {
+ wxWindowBase *child = node->GetData();
+ res = child->FindWindow( id );
+ }
+
+ return (wxWindow *)res;
+}
+
+wxWindow *wxWindowBase::FindWindow(const wxString& name) const
+{
+ if ( name == m_windowName )
+ return (wxWindow *)this;
+
+ wxWindowBase *res = NULL;
+ wxWindowList::compatibility_iterator node;
+ for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
+ {
+ wxWindow *child = node->GetData();
+ res = child->FindWindow(name);
+ }
+
+ return (wxWindow *)res;
+}
+
+
+// find any window by id or name or label: If parent is non-NULL, look through
+// children for a label or title matching the specified string. If NULL, look
+// through all top-level windows.
+//
+// to avoid duplicating code we reuse the same helper function but with
+// different comparators
+
+typedef bool (*wxFindWindowCmp)(const wxWindow *win,
+ const wxString& label, long id);
+
+static
+bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
+ long WXUNUSED(id))
+{
+ return win->GetLabel() == label;
+}
+
+static
+bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
+ long WXUNUSED(id))
+{
+ return win->GetName() == label;
+}
+
+static
+bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
+ long id)
+{
+ return win->GetId() == id;
+}
+
+// recursive helper for the FindWindowByXXX() functions
+static
+wxWindow *wxFindWindowRecursively(const wxWindow *parent,
+ const wxString& label,
+ long id,
+ wxFindWindowCmp cmp)
+{
+ if ( parent )
+ {
+ // see if this is the one we're looking for
+ if ( (*cmp)(parent, label, id) )
+ return (wxWindow *)parent;
+
+ // It wasn't, so check all its children
+ for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ // recursively check each child
+ wxWindow *win = (wxWindow *)node->GetData();
+ wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
+ if (retwin)
+ return retwin;
+ }
+ }
+
+ // Not found
+ return NULL;
+}
+
+// helper for FindWindowByXXX()
+static
+wxWindow *wxFindWindowHelper(const wxWindow *parent,
+ const wxString& label,
+ long id,
+ wxFindWindowCmp cmp)
+{
+ if ( parent )
+ {
+ // just check parent and all its children
+ return wxFindWindowRecursively(parent, label, id, cmp);
+ }
+
+ // start at very top of wx's windows
+ for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ // recursively check each window & its children
+ wxWindow *win = node->GetData();
+ wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
+ if (retwin)
+ return retwin;
+ }
+
+ return NULL;
+}
+
+/* static */
+wxWindow *
+wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
+{
+ return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
+}
+
+/* static */
+wxWindow *
+wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
+{
+ wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
+
+ if ( !win )
+ {
+ // fall back to the label
+ win = FindWindowByLabel(title, parent);
+ }
+
+ return win;
+}
+
+/* static */
+wxWindow *
+wxWindowBase::FindWindowById( long id, const wxWindow* parent )
+{
+ return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
+}
+
+// ----------------------------------------------------------------------------
+// dialog oriented functions
+// ----------------------------------------------------------------------------
+
+#if WXWIN_COMPATIBILITY_2_8
+void wxWindowBase::MakeModal(bool modal)
+{
+ // Disable all other windows
+ if ( IsTopLevel() )
+ {
+ wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow *win = node->GetData();
+ if (win != this)
+ win->Enable(!modal);
+
+ node = node->GetNext();
+ }
+ }
+}
+#endif // WXWIN_COMPATIBILITY_2_8
+
+#if wxUSE_VALIDATORS
+
+namespace
+{
+
+// This class encapsulates possibly recursive iteration on window children done
+// by Validate() and TransferData{To,From}Window() and allows to avoid code
+// duplication in all three functions.
+class ValidationTraverserBase
+{
+public:
+ wxEXPLICIT ValidationTraverserBase(wxWindowBase* win)
+ : m_win(static_cast<wxWindow*>(win))
+ {
+ }
+
+ // Traverse all the direct children calling OnDo() on them and also all
+ // grandchildren if wxWS_EX_VALIDATE_RECURSIVELY is used, calling
+ // OnRecurse() for them.
+ bool DoForAllChildren()
+ {
+ const bool recurse = m_win->HasExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY);
+
+ wxWindowList& children = m_win->GetChildren();
+ for ( wxWindowList::iterator i = children.begin();
+ i != children.end();
+ ++i )
+ {
+ wxWindow* const child = static_cast<wxWindow*>(*i);
+ wxValidator* const validator = child->GetValidator();
+ if ( validator && !OnDo(validator) )
+ {
+ return false;
+ }
+
+ // Notice that validation should never recurse into top level
+ // children, e.g. some other dialog which might happen to be
+ // currently shown.
+ if ( recurse && !child->IsTopLevel() && !OnRecurse(child) )
+ {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+protected:
+ // Called for each child, validator is guaranteed to be non-NULL.
+ virtual bool OnDo(wxValidator* validator) = 0;
+
+ // Called for each child if we need to recurse into its children.
+ virtual bool OnRecurse(wxWindow* child) = 0;
+
+
+ // The window whose children we're traversing.
+ wxWindow* const m_win;
+
+ wxDECLARE_NO_COPY_CLASS(ValidationTraverserBase);
+};
+
+} // anonymous namespace
+
+#endif // wxUSE_VALIDATORS
+
+bool wxWindowBase::Validate()
+{
+#if wxUSE_VALIDATORS
+ class ValidateTraverser : public ValidationTraverserBase
+ {
+ public:
+ wxEXPLICIT ValidateTraverser(wxWindowBase* win)
+ : ValidationTraverserBase(win)
+ {
+ }
+
+ virtual bool OnDo(wxValidator* validator)
+ {
+ return validator->Validate(m_win);
+ }
+
+ virtual bool OnRecurse(wxWindow* child)
+ {
+ return child->Validate();
+ }
+ };
+
+ return ValidateTraverser(this).DoForAllChildren();
+#else // !wxUSE_VALIDATORS
+ return true;
+#endif // wxUSE_VALIDATORS/!wxUSE_VALIDATORS
+}
+
+bool wxWindowBase::TransferDataToWindow()
+{
+#if wxUSE_VALIDATORS
+ class DataToWindowTraverser : public ValidationTraverserBase
+ {
+ public:
+ wxEXPLICIT DataToWindowTraverser(wxWindowBase* win)
+ : ValidationTraverserBase(win)
+ {
+ }
+
+ virtual bool OnDo(wxValidator* validator)
+ {
+ if ( !validator->TransferToWindow() )
+ {
+ wxLogWarning(_("Could not transfer data to window"));
+#if wxUSE_LOG
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+ return false;
+ }
+
+ return true;
+ }
+
+ virtual bool OnRecurse(wxWindow* child)
+ {
+ return child->TransferDataToWindow();
+ }
+ };
+
+ return DataToWindowTraverser(this).DoForAllChildren();
+#else // !wxUSE_VALIDATORS
+ return true;
+#endif // wxUSE_VALIDATORS/!wxUSE_VALIDATORS
+}
+
+bool wxWindowBase::TransferDataFromWindow()
+{
+#if wxUSE_VALIDATORS
+ class DataFromWindowTraverser : public ValidationTraverserBase
+ {
+ public:
+ DataFromWindowTraverser(wxWindowBase* win)
+ : ValidationTraverserBase(win)
+ {
+ }
+
+ virtual bool OnDo(wxValidator* validator)
+ {
+ return validator->TransferFromWindow();
+ }
+
+ virtual bool OnRecurse(wxWindow* child)
+ {
+ return child->TransferDataFromWindow();
+ }
+ };
+
+ return DataFromWindowTraverser(this).DoForAllChildren();
+#else // !wxUSE_VALIDATORS
+ return true;
+#endif // wxUSE_VALIDATORS/!wxUSE_VALIDATORS
+}
+
+void wxWindowBase::InitDialog()
+{
+ wxInitDialogEvent event(GetId());
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(event);
+}
+
+// ----------------------------------------------------------------------------
+// context-sensitive help support
+// ----------------------------------------------------------------------------
+
+#if wxUSE_HELP
+
+// associate this help text with this window
+void wxWindowBase::SetHelpText(const wxString& text)
+{
+ wxHelpProvider *helpProvider = wxHelpProvider::Get();
+ if ( helpProvider )
+ {
+ helpProvider->AddHelp(this, 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)
+{
+ wxHelpProvider *helpProvider = wxHelpProvider::Get();
+ if ( helpProvider )
+ {
+ 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
+wxString
+wxWindowBase::GetHelpTextAtPoint(const wxPoint & WXUNUSED(pt),
+ wxHelpEvent::Origin WXUNUSED(origin)) const
+{
+ wxString text;
+ wxHelpProvider *helpProvider = wxHelpProvider::Get();
+ if ( helpProvider )
+ {
+ text = helpProvider->GetHelp(this);
+ }
+
+ return text;
+}
+
+// show help for this window
+void wxWindowBase::OnHelp(wxHelpEvent& event)
+{
+ wxHelpProvider *helpProvider = wxHelpProvider::Get();
+ if ( helpProvider )
+ {
+ 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;
+ }
+ }
+
+ event.Skip();
+}
+
+#endif // wxUSE_HELP
+
+// ----------------------------------------------------------------------------
+// tooltips
+// ----------------------------------------------------------------------------
+
+#if wxUSE_TOOLTIPS
+
+wxString wxWindowBase::GetToolTipText() const
+{
+ return m_tooltip ? m_tooltip->GetTip() : wxString();
+}
+
+void wxWindowBase::SetToolTip( const wxString &tip )
+{
+ // don't create the new tooltip if we already have one
+ if ( m_tooltip )
+ {
+ m_tooltip->SetTip( tip );
+ }
+ else
+ {
+ SetToolTip( new wxToolTip( tip ) );
+ }
+
+ // setting empty tooltip text does not remove the tooltip any more - use
+ // SetToolTip(NULL) for this
+}
+
+void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
+{
+ if ( m_tooltip != tooltip )
+ {
+ if ( m_tooltip )
+ delete m_tooltip;
+
+ m_tooltip = tooltip;
+ }
+}
+
+bool wxWindowBase::CopyToolTip(wxToolTip *tip)
+{
+ SetToolTip(tip ? new wxToolTip(tip->GetTip()) : NULL);
+
+ return tip != NULL;
+}
+
+#endif // wxUSE_TOOLTIPS
+
+// ----------------------------------------------------------------------------
+// constraints and sizers
+// ----------------------------------------------------------------------------
+
+#if wxUSE_CONSTRAINTS
+
+void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
+{
+ if ( m_constraints )
+ {
+ UnsetConstraints(m_constraints);
+ delete m_constraints;
+ }
+ m_constraints = constraints;
+ if ( m_constraints )
+ {
+ // Make sure other windows know they're part of a 'meaningful relationship'
+ if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
+ m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
+ m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
+ m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
+ m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
+ m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
+ m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
+ m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
+ m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
+ }
+}
+
+// This removes any dangling pointers to this window in other windows'
+// constraintsInvolvedIn lists.
+void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
+{
+ if ( c )
+ {
+ if ( c->left.GetOtherWindow() && (c->left.GetOtherWindow() != this) )
+ c->left.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
+ c->top.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
+ c->right.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
+ c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
+ c->width.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
+ c->height.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
+ c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
+ c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
+ }
+}
+
+// Back-pointer to other windows we're involved with, so if we delete this
+// window, we must delete any constraints we're involved with.
+void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
+{
+ if ( !m_constraintsInvolvedIn )
+ m_constraintsInvolvedIn = new wxWindowList;
+ if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) )
+ m_constraintsInvolvedIn->Append((wxWindow *)otherWin);
+}
+
+// REMOVE back-pointer to other windows we're involved with.
+void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
+{
+ if ( m_constraintsInvolvedIn )
+ m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
+}
+
+// Reset any constraints that mention this window
+void wxWindowBase::DeleteRelatedConstraints()
+{
+ if ( m_constraintsInvolvedIn )
+ {
+ wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
+ while (node)
+ {
+ wxWindow *win = node->GetData();
+ wxLayoutConstraints *constr = win->GetConstraints();
+
+ // Reset any constraints involving this window
+ if ( constr )
+ {
+ constr->left.ResetIfWin(this);
+ constr->top.ResetIfWin(this);
+ constr->right.ResetIfWin(this);
+ constr->bottom.ResetIfWin(this);
+ constr->width.ResetIfWin(this);
+ constr->height.ResetIfWin(this);
+ constr->centreX.ResetIfWin(this);
+ constr->centreY.ResetIfWin(this);
+ }
+
+ wxWindowList::compatibility_iterator next = node->GetNext();
+ m_constraintsInvolvedIn->Erase(node);
+ node = next;
+ }
+
+ wxDELETE(m_constraintsInvolvedIn);
+ }
+}
+
+#endif // wxUSE_CONSTRAINTS
+
+void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
+{
+ if ( sizer == m_windowSizer)
+ return;
+
+ if ( m_windowSizer )
+ {
+ m_windowSizer->SetContainingWindow(NULL);
+
+ if ( deleteOld )
+ delete m_windowSizer;
+ }
+
+ m_windowSizer = sizer;
+ if ( m_windowSizer )
+ {
+ m_windowSizer->SetContainingWindow((wxWindow *)this);
+ }
+
+ SetAutoLayout(m_windowSizer != NULL);
+}
+
+void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
+{
+ SetSizer( sizer, deleteOld );
+ sizer->SetSizeHints( (wxWindow*) this );
+}
+
+
+void wxWindowBase::SetContainingSizer(wxSizer* sizer)
+{
+ // adding a window to a sizer twice is going to result in fatal and
+ // hard to debug problems later because when deleting the second
+ // associated wxSizerItem we're going to dereference a dangling
+ // pointer; so try to detect this as early as possible
+ wxASSERT_MSG( !sizer || m_containingSizer != sizer,
+ wxT("Adding a window to the same sizer twice?") );
+
+ m_containingSizer = sizer;
+}
+
+#if wxUSE_CONSTRAINTS
+
+void wxWindowBase::SatisfyConstraints()
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ bool wasOk = constr && constr->AreSatisfied();
+
+ ResetConstraints(); // Mark all constraints as unevaluated
+
+ int noChanges = 1;
+
+ // if we're a top level panel (i.e. our parent is frame/dialog), our
+ // own constraints will never be satisfied any more unless we do it
+ // here
+ if ( wasOk )
+ {
+ while ( noChanges > 0 )
+ {
+ LayoutPhase1(&noChanges);
+ }
+ }
+
+ LayoutPhase2(&noChanges);
+}
+
+#endif // wxUSE_CONSTRAINTS
+
+bool wxWindowBase::Layout()
+{
+ // If there is a sizer, use it instead of the constraints
+ if ( GetSizer() )
+ {
+ int w = 0, h = 0;
+ GetVirtualSize(&w, &h);
+ GetSizer()->SetDimension( 0, 0, w, h );
+ }
+#if wxUSE_CONSTRAINTS
+ else
+ {
+ SatisfyConstraints(); // Find the right constraints values
+ SetConstraintSizes(); // Recursively set the real window sizes
+ }
+#endif
+
+ return true;
+}
+
+void wxWindowBase::InternalOnSize(wxSizeEvent& event)
+{
+ if ( GetAutoLayout() )
+ Layout();
+
+ event.Skip();
+}
+
+#if wxUSE_CONSTRAINTS
+
+// first phase of the constraints evaluation: set our own constraints
+bool wxWindowBase::LayoutPhase1(int *noChanges)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+
+ return !constr || constr->SatisfyConstraints(this, noChanges);
+}
+
+// second phase: set the constraints for our children
+bool wxWindowBase::LayoutPhase2(int *noChanges)
+{
+ *noChanges = 0;
+
+ // Layout children
+ DoPhase(1);
+
+ // Layout grand children
+ DoPhase(2);
+
+ return true;
+}
+
+// Do a phase of evaluating child constraints
+bool wxWindowBase::DoPhase(int phase)
+{
+ // the list containing the children for which the constraints are already
+ // set correctly
+ wxWindowList succeeded;
+
+ // the max number of iterations we loop before concluding that we can't set
+ // the constraints
+ static const int maxIterations = 500;
+
+ for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
+ {
+ int noChanges = 0;
+
+ // loop over all children setting their constraints
+ for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxWindow *child = node->GetData();
+ if ( child->IsTopLevel() )
+ {
+ // top level children are not inside our client area
+ continue;
+ }
+
+ if ( !child->GetConstraints() || succeeded.Find(child) )
+ {
+ // this one is either already ok or nothing we can do about it
+ continue;
+ }
+
+ int tempNoChanges = 0;
+ bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
+ : child->LayoutPhase2(&tempNoChanges);
+ noChanges += tempNoChanges;
+
+ if ( success )
+ {
+ succeeded.Append(child);
+ }
+ }
+
+ if ( !noChanges )
+ {
+ // constraints are set
+ break;
+ }
+ }
+
+ return true;
+}
+
+void wxWindowBase::ResetConstraints()
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ constr->left.SetDone(false);
+ constr->top.SetDone(false);
+ constr->right.SetDone(false);
+ constr->bottom.SetDone(false);
+ constr->width.SetDone(false);
+ constr->height.SetDone(false);
+ constr->centreX.SetDone(false);
+ constr->centreY.SetDone(false);
+ }
+
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while (node)
+ {
+ wxWindow *win = node->GetData();
+ if ( !win->IsTopLevel() )
+ win->ResetConstraints();
+ node = node->GetNext();
+ }
+}
+
+// Need to distinguish between setting the 'fake' size for windows and sizers,
+// and setting the real values.
+void wxWindowBase::SetConstraintSizes(bool recurse)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr && constr->AreSatisfied() )
+ {
+ int x = constr->left.GetValue();
+ int y = constr->top.GetValue();
+ int w = constr->width.GetValue();
+ int h = constr->height.GetValue();
+
+ if ( (constr->width.GetRelationship() != wxAsIs ) ||
+ (constr->height.GetRelationship() != wxAsIs) )
+ {
+ // We really shouldn't set negative sizes for the windows so make
+ // them at least of 1*1 size
+ SetSize(x, y, w > 0 ? w : 1, h > 0 ? h : 1);
+ }
+ else
+ {
+ // If we don't want to resize this window, just move it...
+ Move(x, y);
+ }
+ }
+ else if ( constr )
+ {
+ wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
+ GetClassInfo()->GetClassName(),
+ GetName().c_str());
+ }
+
+ if ( recurse )
+ {
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while (node)
+ {
+ wxWindow *win = node->GetData();
+ if ( !win->IsTopLevel() && win->GetConstraints() )
+ win->SetConstraintSizes();
+ node = node->GetNext();
+ }
+ }
+}
+
+// Only set the size/position of the constraint (if any)
+void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ if ( x != wxDefaultCoord )
+ {
+ constr->left.SetValue(x);
+ constr->left.SetDone(true);
+ }
+ if ( y != wxDefaultCoord )
+ {
+ constr->top.SetValue(y);
+ constr->top.SetDone(true);
+ }
+ if ( w != wxDefaultCoord )
+ {
+ constr->width.SetValue(w);
+ constr->width.SetDone(true);
+ }
+ if ( h != wxDefaultCoord )
+ {
+ constr->height.SetValue(h);
+ constr->height.SetDone(true);
+ }
+ }
+}
+
+void wxWindowBase::MoveConstraint(int x, int y)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ if ( x != wxDefaultCoord )
+ {
+ constr->left.SetValue(x);
+ constr->left.SetDone(true);
+ }
+ if ( y != wxDefaultCoord )
+ {
+ constr->top.SetValue(y);
+ constr->top.SetDone(true);
+ }
+ }
+}
+
+void wxWindowBase::GetSizeConstraint(int *w, int *h) const
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ *w = constr->width.GetValue();
+ *h = constr->height.GetValue();
+ }
+ else
+ GetSize(w, h);
+}
+
+void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ *w = constr->width.GetValue();
+ *h = constr->height.GetValue();
+ }
+ else
+ GetClientSize(w, h);
+}
+
+void wxWindowBase::GetPositionConstraint(int *x, int *y) const
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ *x = constr->left.GetValue();
+ *y = constr->top.GetValue();
+ }
+ else
+ GetPosition(x, y);
+}
+
+#endif // wxUSE_CONSTRAINTS
+
+void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
+{
+ wxWindow *parent = GetParent();
+ if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
+ {
+ wxPoint pt(parent->GetClientAreaOrigin());
+ x += pt.x;
+ y += pt.y;
+ }
+}
+
+// ----------------------------------------------------------------------------
+// Update UI processing
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::UpdateWindowUI(long flags)
+{
+ wxUpdateUIEvent event(GetId());
+ event.SetEventObject(this);
+
+ if ( GetEventHandler()->ProcessEvent(event) )
+ {
+ DoUpdateWindowUI(event);
+ }
+
+ if (flags & wxUPDATE_UI_RECURSE)
+ {
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while (node)
+ {
+ wxWindow* child = (wxWindow*) node->GetData();
+ child->UpdateWindowUI(flags);
+ node = node->GetNext();
+ }
+ }
+}
+
+// do the window-specific processing after processing the update event
+void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
+{
+ if ( event.GetSetEnabled() )
+ Enable(event.GetEnabled());
+
+ if ( event.GetSetShown() )
+ Show(event.GetShown());
+}
+
+// ----------------------------------------------------------------------------
+// Idle processing
+// ----------------------------------------------------------------------------
+
+// Send idle event to window and all subwindows
+bool wxWindowBase::SendIdleEvents(wxIdleEvent& event)
+{
+ bool needMore = false;
+
+ OnInternalIdle();
+
+ // should we send idle event to this window?
+ if (wxIdleEvent::GetMode() == wxIDLE_PROCESS_ALL ||
+ HasExtraStyle(wxWS_EX_PROCESS_IDLE))
+ {
+ event.SetEventObject(this);
+ HandleWindowEvent(event);
+
+ if (event.MoreRequested())
+ needMore = true;
+ }
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ for (; node; node = node->GetNext())
+ {
+ wxWindow* child = node->GetData();
+ if (child->SendIdleEvents(event))
+ needMore = true;
+ }
+
+ return needMore;
+}
+
+void wxWindowBase::OnInternalIdle()
+{
+ if ( wxUpdateUIEvent::CanUpdate(this) )
+ UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
+}
+
+// ----------------------------------------------------------------------------
+// dialog units translations
+// ----------------------------------------------------------------------------
+
+// Windows' computes dialog units using average character width over upper-
+// and lower-case ASCII alphabet and not using the average character width
+// metadata stored in the font; see
+// http://support.microsoft.com/default.aspx/kb/145994 for detailed discussion.
+// It's important that we perform the conversion in identical way, because
+// dialog units natively exist only on Windows and Windows HIG is expressed
+// using them.
+wxSize wxWindowBase::GetDlgUnitBase() const
+{
+ const wxWindowBase * const parent = wxGetTopLevelParent((wxWindow*)this);
+
+ wxCHECK_MSG( parent, wxDefaultSize, wxS("Must have TLW parent") );
+
+ if ( !parent->m_font.IsOk() )
+ {
+ // Default GUI font is used. This is the most common case, so
+ // cache the results.
+ static wxSize s_defFontSize;
+ if ( s_defFontSize.x == 0 )
+ s_defFontSize = wxPrivate::GetAverageASCIILetterSize(*parent);
+ return s_defFontSize;
+ }
+ else
+ {
+ // Custom font, we always need to compute the result
+ return wxPrivate::GetAverageASCIILetterSize(*parent);
+ }
+}
+
+wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) const
+{
+ const wxSize base = GetDlgUnitBase();
+
+ // NB: wxMulDivInt32() is used, because it correctly rounds the result
+
+ wxPoint pt2 = wxDefaultPosition;
+ if (pt.x != wxDefaultCoord)
+ pt2.x = wxMulDivInt32(pt.x, 4, base.x);
+ if (pt.y != wxDefaultCoord)
+ pt2.y = wxMulDivInt32(pt.y, 8, base.y);
+
+ return pt2;
+}
+
+wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) const
+{
+ const wxSize base = GetDlgUnitBase();
+
+ wxPoint pt2 = wxDefaultPosition;
+ if (pt.x != wxDefaultCoord)
+ pt2.x = wxMulDivInt32(pt.x, base.x, 4);
+ if (pt.y != wxDefaultCoord)
+ pt2.y = wxMulDivInt32(pt.y, base.y, 8);
+
+ return pt2;
+}
+
+// ----------------------------------------------------------------------------
+// event handlers
+// ----------------------------------------------------------------------------
+
+// propagate the colour change event to the subwindows
+void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
+{
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while ( node )
+ {
+ // Only propagate to non-top-level windows
+ wxWindow *win = node->GetData();
+ if ( !win->IsTopLevel() )
+ {
+ wxSysColourChangedEvent event2;
+ event2.SetEventObject(win);
+ win->GetEventHandler()->ProcessEvent(event2);
+ }
+
+ node = node->GetNext();
+ }
+
+ Refresh();
+}
+
+// the default action is to populate dialog with data when it's created,
+// and nudge the UI into displaying itself correctly in case
+// we've turned the wxUpdateUIEvents frequency down low.
+void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
+{
+ TransferDataToWindow();
+
+ // Update the UI at this point
+ 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" );
+
+ wxMenuInvokingWindowSetter
+ setInvokingWin(*menu, static_cast<wxWindow *>(this));
+
+ 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: this is currently only
+// enabled for "full debug" builds with wxDEBUG_LEVEL==2 as it doesn't work
+// that well and also because we don't want to leave it enabled in default
+// builds used for production
+#if wxDEBUG_LEVEL > 1
+
+static void DrawSizers(wxWindowBase *win);
+
+static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill, const wxPen* pen)
+{
+ wxClientDC dc((wxWindow *)win);
+ dc.SetPen(*pen);
+ dc.SetBrush(fill ? wxBrush(pen->GetColour(), wxBRUSHSTYLE_CROSSDIAG_HATCH) :
+ *wxTRANSPARENT_BRUSH);
+ dc.DrawRectangle(rect.Deflate(1, 1));
+}
+
+static void DrawSizer(wxWindowBase *win, wxSizer *sizer)
+{
+ const wxSizerItemList& items = sizer->GetChildren();
+ for ( wxSizerItemList::const_iterator i = items.begin(),
+ end = items.end();
+ i != end;
+ ++i )
+ {
+ wxSizerItem *item = *i;
+ if ( item->IsSizer() )
+ {
+ DrawBorder(win, item->GetRect().Deflate(2), false, wxRED_PEN);
+ DrawSizer(win, item->GetSizer());
+ }
+ else if ( item->IsSpacer() )
+ {
+ 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 )
+ {
+ DrawSizer(win, sizer);
+ }
+ else // no sizer, still recurse into the children
+ {
+ const wxWindowList& children = win->GetChildren();
+ for ( wxWindowList::const_iterator i = children.begin(),
+ end = children.end();
+ i != end;
+ ++i )
+ {
+ 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);
+ }
+}
+
+#endif // wxDEBUG_LEVEL
+
+// process special middle clicks
+void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
+{
+ if ( event.ControlDown() && event.AltDown() )
+ {
+#if wxDEBUG_LEVEL > 1
+ // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds
+ if ( event.ShiftDown() )
+ {
+ DrawSizers(this);
+ }
+ else
+#endif // __WXDEBUG__
+ {
+#if wxUSE_MSGDLG
+ // just Ctrl-Alt-middle click shows information about wx version
+ ::wxInfoMessageBox((wxWindow*)this);
+#endif // wxUSE_MSGDLG
+ }
+ }
+ else
+ {
+ event.Skip();
+ }
+}
+
+// ----------------------------------------------------------------------------
+// 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
+// ----------------------------------------------------------------------------
+
+#if wxUSE_STD_CONTAINERS
+
+#include "wx/listimpl.cpp"
+WX_DEFINE_LIST(wxWindowList)
+
+#else // !wxUSE_STD_CONTAINERS
+
+void wxWindowListNode::DeleteData()
+{
+ delete (wxWindow *)GetData();
+}
+
+#endif // wxUSE_STD_CONTAINERS/!wxUSE_STD_CONTAINERS
+
+// ----------------------------------------------------------------------------
+// borders
+// ----------------------------------------------------------------------------
+
+wxBorder wxWindowBase::GetBorder(long flags) const
+{
+ wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
+ if ( border == wxBORDER_DEFAULT )
+ {
+ border = GetDefaultBorder();
+ }
+ else if ( border == wxBORDER_THEME )
+ {
+ border = GetDefaultBorderForControl();
+ }
+
+ return border;
+}
+
+wxBorder wxWindowBase::GetDefaultBorder() const
+{
+ return wxBORDER_NONE;
+}
+
+// ----------------------------------------------------------------------------
+// hit testing
+// ----------------------------------------------------------------------------
+
+wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
+{
+ // here we just check if the point is inside the window or not
+
+ // check the top and left border first
+ bool outside = x < 0 || y < 0;
+ if ( !outside )
+ {
+ // check the right and bottom borders too
+ wxSize size = GetSize();
+ outside = x >= size.x || y >= size.y;
+ }
+
+ return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
+}
+
+// ----------------------------------------------------------------------------
+// mouse capture
+// ----------------------------------------------------------------------------
+
+struct WXDLLEXPORT wxWindowNext
+{
+ wxWindow *win;
+ wxWindowNext *next;
+} *wxWindowBase::ms_winCaptureNext = NULL;
+wxWindow *wxWindowBase::ms_winCaptureCurrent = NULL;
+bool wxWindowBase::ms_winCaptureChanging = false;
+
+void wxWindowBase::CaptureMouse()
+{
+ wxLogTrace(wxT("mousecapture"), wxT("CaptureMouse(%p)"), static_cast<void*>(this));
+
+ wxASSERT_MSG( !ms_winCaptureChanging, wxT("recursive CaptureMouse call?") );
+
+ ms_winCaptureChanging = true;
+
+ wxWindow *winOld = GetCapture();
+ if ( winOld )
+ {
+ ((wxWindowBase*) winOld)->DoReleaseMouse();
+
+ // save it on stack
+ wxWindowNext *item = new wxWindowNext;
+ item->win = winOld;
+ item->next = ms_winCaptureNext;
+ ms_winCaptureNext = item;
+ }
+ //else: no mouse capture to save
+
+ DoCaptureMouse();
+ ms_winCaptureCurrent = (wxWindow*)this;
+
+ ms_winCaptureChanging = false;
+}
+
+void wxWindowBase::ReleaseMouse()
+{
+ wxLogTrace(wxT("mousecapture"), wxT("ReleaseMouse(%p)"), static_cast<void*>(this));
+
+ wxASSERT_MSG( !ms_winCaptureChanging, wxT("recursive ReleaseMouse call?") );
+
+ 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;
+
+ DoReleaseMouse();
+ ms_winCaptureCurrent = NULL;
+
+ if ( ms_winCaptureNext )
+ {
+ ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
+ ms_winCaptureCurrent = ms_winCaptureNext->win;
+
+ wxWindowNext *item = ms_winCaptureNext;
+ ms_winCaptureNext = item->next;
+ delete item;
+ }
+ //else: stack is empty, no previous capture
+
+ ms_winCaptureChanging = false;
+
+ wxLogTrace(wxT("mousecapture"),
+ (const wxChar *) wxT("After ReleaseMouse() mouse is captured by %p"),
+ static_cast<void*>(GetCapture()));
+}
+
+static void DoNotifyWindowAboutCaptureLost(wxWindow *win)
+{
+ wxMouseCaptureLostEvent event(win->GetId());
+ 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( wxT("window that captured the mouse didn't process wxEVT_MOUSE_CAPTURE_LOST") );
+ }
+}
+
+/* static */
+void wxWindowBase::NotifyCaptureLost()
+{
+ // don't do anything if capture lost was expected, i.e. resulted from
+ // a wx call to ReleaseMouse or CaptureMouse:
+ if ( ms_winCaptureChanging )
+ return;
+
+ // if the capture was lost unexpectedly, notify every window that has
+ // capture (on stack or current) about it and clear the stack:
+
+ if ( ms_winCaptureCurrent )
+ {
+ DoNotifyWindowAboutCaptureLost(ms_winCaptureCurrent);
+ ms_winCaptureCurrent = NULL;
+ }
+
+ while ( ms_winCaptureNext )
+ {
+ wxWindowNext *item = ms_winCaptureNext;
+ ms_winCaptureNext = item->next;
+
+ DoNotifyWindowAboutCaptureLost(item->win);
+
+ delete item;
+ }
+}
+
+#if wxUSE_HOTKEY
+
+bool
+wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId),
+ int WXUNUSED(modifiers),
+ int WXUNUSED(keycode))
+{
+ // not implemented
+ return false;
+}
+
+bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
+{
+ // not implemented
+ return false;
+}
+
+#endif // wxUSE_HOTKEY
+
+// ----------------------------------------------------------------------------
+// event processing
+// ----------------------------------------------------------------------------
+
+bool wxWindowBase::TryBefore(wxEvent& event)
+{
+#if wxUSE_VALIDATORS
+ // Can only use the validator of the window which
+ // is receiving the event
+ if ( event.GetEventObject() == this )
+ {
+ wxValidator * const validator = GetValidator();
+ if ( validator && validator->ProcessEventLocally(event) )
+ {
+ return true;
+ }
+ }
+#endif // wxUSE_VALIDATORS
+
+ return wxEvtHandler::TryBefore(event);
+}
+
+bool wxWindowBase::TryAfter(wxEvent& event)
+{
+ // carry on up the parent-child hierarchy if the propagation count hasn't
+ // reached zero yet
+ if ( event.ShouldPropagate() )
+ {
+ // 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() )
+ {
+ wxPropagateOnce propagateOnce(event);
+
+ return parent->GetEventHandler()->ProcessEvent(event);
+ }
+ }
+ }
+
+ return wxEvtHandler::TryAfter(event);
+}
+
+// ----------------------------------------------------------------------------
+// window relationships
+// ----------------------------------------------------------------------------
+
+wxWindow *wxWindowBase::DoGetSibling(WindowOrder order) const
+{
+ wxCHECK_MSG( GetParent(), NULL,
+ wxT("GetPrev/NextSibling() don't work for TLWs!") );
+
+ wxWindowList& siblings = GetParent()->GetChildren();
+ wxWindowList::compatibility_iterator i = siblings.Find((wxWindow *)this);
+ wxCHECK_MSG( i, NULL, wxT("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 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);
+ return GetEventHandler()->ProcessEvent(eventNav);
+#endif // wxHAS_NATIVE_TAB_TRAVERSAL/!wxHAS_NATIVE_TAB_TRAVERSAL
+}
+
+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(),
+ wxT("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
+
+ // detect the special case when we have nothing to do anyhow and when the
+ // code below wouldn't work
+ if ( win == this )
+ return;
+
+ // find the target window in the siblings list
+ wxWindowList& siblings = GetParent()->GetChildren();
+ wxWindowList::compatibility_iterator i = siblings.Find(win);
+ wxCHECK_RET( i, wxT("MoveBefore/AfterInTabOrder(): win is not a sibling") );
+
+ // unfortunately, when wxUSE_STD_CONTAINERS == 1 DetachNode() is not
+ // implemented so we can't just move the node around
+ wxWindow *self = (wxWindow *)this;
+ siblings.DeleteObject(self);
+ if ( move == OrderAfter )
+ {
+ i = i->GetNext();
+ }
+
+ if ( i )
+ {
+ siblings.Insert(i, self);
+ }
+ else // OrderAfter and win was the last sibling
+ {
+ siblings.Append(self);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// focus handling
+// ----------------------------------------------------------------------------
+
+/*static*/ wxWindow* wxWindowBase::FindFocus()
+{
+ wxWindowBase *win = DoFindFocus();
+ return win ? win->GetMainWindowOfCompositeControl() : NULL;
+}
+
+bool wxWindowBase::HasFocus() const
+{
+ wxWindowBase* const win = DoFindFocus();
+ return win &&
+ (this == win || this == win->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
+// ----------------------------------------------------------------------------
+
+wxWindow* wxGetTopLevelParent(wxWindow *win)
+{
+ while ( win && !win->IsTopLevel() )
+ win = win->GetParent();
+
+ 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& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(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 = GetWindow()->GetChildren().Item(elementId-1)->GetData();
+ }
+ else
+ return wxACC_FAIL;
+ }
+ if (win)
+ {
+ rect = win->GetRect();
+ if (win->GetParent() && !wxDynamicCast(win, 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* WXUNUSED(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::compatibility_iterator node =
+ wxWindowList::compatibility_iterator();
+ 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 = GetWindow()->GetChildren().Item(fromId-1);
+ }
+
+ if (node && node->GetNext())
+ {
+ wxWindow* nextWindow = node->GetNext()->GetData();
+ *toObject = nextWindow->GetOrCreateAccessible();
+ return wxACC_OK;
+ }
+ else
+ return wxACC_FALSE;
+ }
+ case wxNAVDIR_LEFT:
+ case wxNAVDIR_UP:
+ case wxNAVDIR_PREVIOUS:
+ {
+ wxWindowList::compatibility_iterator node =
+ wxWindowList::compatibility_iterator();
+ 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 = GetWindow()->GetChildren().Item(fromId-1);
+ }
+
+ if (node && node->GetPrevious())
+ {
+ wxWindow* previousWindow = node->GetPrevious()->GetData();
+ *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 wxWidgets 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 wxWidgets
+ // control or window.
+#if wxUSE_BUTTON
+ if (wxDynamicCast(GetWindow(), wxButton))
+ title = ((wxButton*) GetWindow())->GetLabel();
+ else
+#endif
+ title = GetWindow()->GetName();
+
+ if (!title.empty())
+ {
+ *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 = GetWindow()->GetChildren().Item(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 WXUNUSED(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 WXUNUSED(childId), wxString* WXUNUSED(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 WXUNUSED(childId), wxString* description)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
+ if (!ht.empty())
+ {
+ *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 WXUNUSED(childId), wxString* helpText)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
+ if (!ht.empty())
+ {
+ *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 WXUNUSED(childId), wxString* WXUNUSED(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 wxWidgets to call the function on the actual
+ // child object.
+ if (childId > 0)
+ return wxACC_NOT_IMPLEMENTED;
+
+ if (wxDynamicCast(GetWindow(), wxControl))
+ return wxACC_NOT_IMPLEMENTED;
+#if wxUSE_STATUSBAR
+ if (wxDynamicCast(GetWindow(), wxStatusBar))
+ return wxACC_NOT_IMPLEMENTED;
+#endif
+#if wxUSE_TOOLBAR
+ if (wxDynamicCast(GetWindow(), wxToolBar))
+ return wxACC_NOT_IMPLEMENTED;
+#endif
+
+ //*role = wxROLE_SYSTEM_CLIENT;
+ *role = wxROLE_SYSTEM_CLIENT;
+ return wxACC_OK;
+
+ #if 0
+ return wxACC_NOT_IMPLEMENTED;
+ #endif
+}
+
+// Returns a state constant.
+wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ // If a child, leave wxWidgets to call the function on the actual
+ // child object.
+ if (childId > 0)
+ return wxACC_NOT_IMPLEMENTED;
+
+ if (wxDynamicCast(GetWindow(), wxControl))
+ return wxACC_NOT_IMPLEMENTED;
+
+#if wxUSE_STATUSBAR
+ if (wxDynamicCast(GetWindow(), wxStatusBar))
+ return wxACC_NOT_IMPLEMENTED;
+#endif
+#if wxUSE_TOOLBAR
+ if (wxDynamicCast(GetWindow(), wxToolBar))
+ return wxACC_NOT_IMPLEMENTED;
+#endif
+
+ *state = 0;
+ return wxACC_OK;
+
+ #if 0
+ return wxACC_NOT_IMPLEMENTED;
+ #endif
+}
+
+// Returns a localized string representing the value for the object
+// or child.
+wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Selects the object or child.
+wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(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* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+#if wxUSE_VARIANT
+// 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* WXUNUSED(selections))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ 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;
+}
+
+