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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <vcl/layout.hxx>
+#include <vcl/fixed.hxx>
+#include <vcl/window.hxx>
+#include <vcl/menu.hxx>
+#include <vcl/wrkwin.hxx>
+#include <vcl/popupmenuwindow.hxx>
+
+#include <window.h>
+#include <brdwin.hxx>
+
+#include <com/sun/star/accessibility/XAccessible.hpp>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <com/sun/star/accessibility/XAccessibleEditableText.hpp>
+#include <com/sun/star/awt/XWindowPeer.hpp>
+
+#include <sal/log.hxx>
+
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::datatransfer::clipboard;
+using namespace ::com::sun::star::datatransfer::dnd;
+using namespace ::com::sun::star;
+
+
+ImplAccessibleInfos::ImplAccessibleInfos()
+{
+ nAccessibleRole = 0xFFFF;
+ pLabeledByWindow = nullptr;
+ pLabelForWindow = nullptr;
+ pMemberOfWindow = nullptr;
+}
+
+ImplAccessibleInfos::~ImplAccessibleInfos()
+{
+}
+
+namespace vcl {
+
+css::uno::Reference< css::accessibility::XAccessible > Window::GetAccessible( bool bCreate )
+{
+ // do not optimize hierarchy for the top level border win (ie, when there is no parent)
+ /* // do not optimize accessible hierarchy at all to better reflect real VCL hierarchy
+ if ( GetParent() && ( GetType() == WindowType::BORDERWINDOW ) && ( GetChildCount() == 1 ) )
+ //if( !ImplIsAccessibleCandidate() )
+ {
+ vcl::Window* pChild = GetAccessibleChildWindow( 0 );
+ if ( pChild )
+ return pChild->GetAccessible();
+ }
+ */
+ if ( !mpWindowImpl )
+ return css::uno::Reference< css::accessibility::XAccessible >();
+ if ( !mpWindowImpl->mxAccessible.is() && bCreate )
+ mpWindowImpl->mxAccessible = CreateAccessible();
+
+ return mpWindowImpl->mxAccessible;
+}
+
+css::uno::Reference< css::accessibility::XAccessible > Window::CreateAccessible()
+{
+ css::uno::Reference< css::accessibility::XAccessible > xAcc( GetComponentInterface(), css::uno::UNO_QUERY );
+ return xAcc;
+}
+
+void Window::SetAccessible( const css::uno::Reference< css::accessibility::XAccessible >& x )
+{
+ if (!mpWindowImpl)
+ return;
+
+ mpWindowImpl->mxAccessible = x;
+}
+
+// skip all border windows that are not top level frames
+bool Window::ImplIsAccessibleCandidate() const
+{
+ if( !mpWindowImpl->mbBorderWin )
+ return true;
+ else
+ // #101741 do not check for WB_CLOSEABLE because undecorated floaters (like menus!) are closeable
+ if( mpWindowImpl->mbFrame && mpWindowImpl->mnStyle & (WB_MOVEABLE | WB_SIZEABLE) )
+ return true;
+ else
+ return false;
+}
+
+bool Window::ImplIsAccessibleNativeFrame() const
+{
+ if( mpWindowImpl->mbFrame )
+ // #101741 do not check for WB_CLOSEABLE because undecorated floaters (like menus!) are closeable
+ if( mpWindowImpl->mnStyle & (WB_MOVEABLE | WB_SIZEABLE) )
+ return true;
+ else
+ return false;
+ else
+ return false;
+}
+
+vcl::Window* Window::GetAccessibleParentWindow() const
+{
+ if (!mpWindowImpl || ImplIsAccessibleNativeFrame())
+ return nullptr;
+
+ vcl::Window* pParent = mpWindowImpl->mpParent;
+ if( GetType() == WindowType::MENUBARWINDOW )
+ {
+ // report the menubar as a child of THE workwindow
+ vcl::Window *pWorkWin = GetParent()->mpWindowImpl->mpFirstChild;
+ while( pWorkWin && (pWorkWin == this) )
+ pWorkWin = pWorkWin->mpWindowImpl->mpNext;
+ pParent = pWorkWin;
+ }
+ // If this is a floating window which has a native border window, then that border should be reported as
+ // the accessible parent, unless the floating window is a PopupMenuFloatingWindow
+
+ // The logic here has to match that of AccessibleFactory::createAccessibleContext in
+ // accessibility/source/helper/acc_factory.cxx to avoid PopupMenuFloatingWindow
+ // becoming a11y parents of themselves
+ else if( GetType() == WindowType::FLOATINGWINDOW &&
+ mpWindowImpl->mpBorderWindow && mpWindowImpl->mpBorderWindow->mpWindowImpl->mbFrame &&
+ !PopupMenuFloatingWindow::isPopupMenu(this))
+ {
+ pParent = mpWindowImpl->mpBorderWindow;
+ }
+ else if( pParent && !pParent->ImplIsAccessibleCandidate() )
+ {
+ pParent = pParent->mpWindowImpl->mpParent;
+ }
+ return pParent;
+}
+
+sal_uInt16 Window::GetAccessibleChildWindowCount()
+{
+ if (!mpWindowImpl)
+ return 0;
+
+ sal_uInt16 nChildren = 0;
+ vcl::Window* pChild = mpWindowImpl->mpFirstChild;
+ while( pChild )
+ {
+ if( pChild->IsVisible() )
+ nChildren++;
+ pChild = pChild->mpWindowImpl->mpNext;
+ }
+
+ // report the menubarwindow as a child of THE workwindow
+ if( GetType() == WindowType::BORDERWINDOW )
+ {
+ ImplBorderWindow *pBorderWindow = static_cast<ImplBorderWindow*>(this);
+ if( pBorderWindow->mpMenuBarWindow &&
+ pBorderWindow->mpMenuBarWindow->IsVisible()
+ )
+ --nChildren;
+ }
+ else if( GetType() == WindowType::WORKWINDOW )
+ {
+ WorkWindow *pWorkWindow = static_cast<WorkWindow*>(this);
+ if( pWorkWindow->GetMenuBar() &&
+ pWorkWindow->GetMenuBar()->GetWindow() &&
+ pWorkWindow->GetMenuBar()->GetWindow()->IsVisible()
+ )
+ ++nChildren;
+ }
+
+ return nChildren;
+}
+
+vcl::Window* Window::GetAccessibleChildWindow( sal_uInt16 n )
+{
+ // report the menubarwindow as the first child of THE workwindow
+ if( GetType() == WindowType::WORKWINDOW && static_cast<WorkWindow *>(this)->GetMenuBar() )
+ {
+ if( n == 0 )
+ {
+ MenuBar *pMenuBar = static_cast<WorkWindow *>(this)->GetMenuBar();
+ if( pMenuBar->GetWindow() && pMenuBar->GetWindow()->IsVisible() )
+ return pMenuBar->GetWindow();
+ }
+ else
+ --n;
+ }
+
+ // transform n to child number including invisible children
+ sal_uInt16 nChildren = n;
+ vcl::Window* pChild = mpWindowImpl->mpFirstChild;
+ while( pChild )
+ {
+ if( pChild->IsVisible() )
+ {
+ if( ! nChildren )
+ break;
+ nChildren--;
+ }
+ pChild = pChild->mpWindowImpl->mpNext;
+ }
+
+ if( GetType() == WindowType::BORDERWINDOW && pChild && pChild->GetType() == WindowType::MENUBARWINDOW )
+ {
+ do pChild = pChild->mpWindowImpl->mpNext; while( pChild && ! pChild->IsVisible() );
+ SAL_WARN_IF( !pChild, "vcl", "GetAccessibleChildWindow(): wrong index in border window");
+ }
+
+ if ( pChild && ( pChild->GetType() == WindowType::BORDERWINDOW ) && ( pChild->GetChildCount() == 1 ) )
+ {
+ pChild = pChild->GetChild( 0 );
+ }
+ return pChild;
+}
+
+void Window::SetAccessibleRole( sal_uInt16 nRole )
+{
+ if ( !mpWindowImpl->mpAccessibleInfos )
+ mpWindowImpl->mpAccessibleInfos.reset( new ImplAccessibleInfos );
+
+ SAL_WARN_IF( mpWindowImpl->mpAccessibleInfos->nAccessibleRole != 0xFFFF, "vcl", "AccessibleRole already set!" );
+ mpWindowImpl->mpAccessibleInfos->nAccessibleRole = nRole;
+}
+
+sal_uInt16 Window::getDefaultAccessibleRole() const
+{
+ sal_uInt16 nRole = 0xFFFF;
+ switch ( GetType() )
+ {
+ case WindowType::MESSBOX: // MT: Would be nice to have special roles!
+ case WindowType::INFOBOX:
+ case WindowType::WARNINGBOX:
+ case WindowType::ERRORBOX:
+ case WindowType::QUERYBOX: nRole = accessibility::AccessibleRole::ALERT; break;
+
+ case WindowType::MODELESSDIALOG:
+ case WindowType::MODALDIALOG:
+ case WindowType::TABDIALOG:
+ case WindowType::BUTTONDIALOG:
+ case WindowType::DIALOG: nRole = accessibility::AccessibleRole::DIALOG; break;
+
+ case WindowType::PUSHBUTTON:
+ case WindowType::OKBUTTON:
+ case WindowType::CANCELBUTTON:
+ case WindowType::HELPBUTTON:
+ case WindowType::IMAGEBUTTON:
+ case WindowType::MOREBUTTON:
+ case WindowType::SPINBUTTON: nRole = accessibility::AccessibleRole::PUSH_BUTTON; break;
+ case WindowType::MENUBUTTON: nRole = accessibility::AccessibleRole::BUTTON_MENU; break;
+
+ case WindowType::RADIOBUTTON: nRole = accessibility::AccessibleRole::RADIO_BUTTON; break;
+ case WindowType::TRISTATEBOX:
+ case WindowType::CHECKBOX: nRole = accessibility::AccessibleRole::CHECK_BOX; break;
+
+ case WindowType::MULTILINEEDIT: nRole = accessibility::AccessibleRole::SCROLL_PANE; break;
+
+ case WindowType::PATTERNFIELD:
+ case WindowType::EDIT: nRole = static_cast<Edit const *>(this)->IsPassword() ? accessibility::AccessibleRole::PASSWORD_TEXT : accessibility::AccessibleRole::TEXT; break;
+
+ case WindowType::CALCINPUTLINE: nRole = accessibility::AccessibleRole::TEXT; break;
+
+ case WindowType::PATTERNBOX:
+ case WindowType::NUMERICBOX:
+ case WindowType::METRICBOX:
+ case WindowType::CURRENCYBOX:
+ case WindowType::LONGCURRENCYBOX:
+ case WindowType::COMBOBOX: nRole = accessibility::AccessibleRole::COMBO_BOX; break;
+
+ case WindowType::LISTBOX:
+ case WindowType::MULTILISTBOX: nRole = accessibility::AccessibleRole::LIST; break;
+
+ case WindowType::TREELISTBOX: nRole = accessibility::AccessibleRole::TREE; break;
+
+ case WindowType::FIXEDTEXT: nRole = accessibility::AccessibleRole::LABEL; break;
+ case WindowType::FIXEDLINE:
+ if( !GetText().isEmpty() )
+ nRole = accessibility::AccessibleRole::LABEL;
+ else
+ nRole = accessibility::AccessibleRole::SEPARATOR;
+ break;
+
+ case WindowType::FIXEDBITMAP:
+ case WindowType::FIXEDIMAGE: nRole = accessibility::AccessibleRole::ICON; break;
+ case WindowType::GROUPBOX: nRole = accessibility::AccessibleRole::GROUP_BOX; break;
+ case WindowType::SCROLLBAR: nRole = accessibility::AccessibleRole::SCROLL_BAR; break;
+
+ case WindowType::SLIDER:
+ case WindowType::SPLITTER:
+ case WindowType::SPLITWINDOW: nRole = accessibility::AccessibleRole::SPLIT_PANE; break;
+
+ case WindowType::DATEBOX:
+ case WindowType::TIMEBOX:
+ case WindowType::DATEFIELD:
+ case WindowType::TIMEFIELD: nRole = accessibility::AccessibleRole::DATE_EDITOR; break;
+
+ case WindowType::NUMERICFIELD:
+ case WindowType::METRICFIELD:
+ case WindowType::CURRENCYFIELD:
+ case WindowType::LONGCURRENCYFIELD:
+ case WindowType::SPINFIELD:
+ case WindowType::FORMATTEDFIELD: nRole = accessibility::AccessibleRole::SPIN_BOX; break;
+
+ case WindowType::TOOLBOX: nRole = accessibility::AccessibleRole::TOOL_BAR; break;
+ case WindowType::STATUSBAR: nRole = accessibility::AccessibleRole::STATUS_BAR; break;
+
+ case WindowType::TABPAGE: nRole = accessibility::AccessibleRole::PANEL; break;
+ case WindowType::TABCONTROL: nRole = accessibility::AccessibleRole::PAGE_TAB_LIST; break;
+
+ case WindowType::DOCKINGWINDOW: nRole = (mpWindowImpl->mbFrame) ? accessibility::AccessibleRole::FRAME :
+ accessibility::AccessibleRole::PANEL; break;
+
+ case WindowType::FLOATINGWINDOW: nRole = ( mpWindowImpl->mbFrame ||
+ (mpWindowImpl->mpBorderWindow && mpWindowImpl->mpBorderWindow->mpWindowImpl->mbFrame) ||
+ (GetStyle() & WB_OWNERDRAWDECORATION) ) ? accessibility::AccessibleRole::FRAME :
+ accessibility::AccessibleRole::WINDOW; break;
+
+ case WindowType::WORKWINDOW: nRole = accessibility::AccessibleRole::ROOT_PANE; break;
+
+ case WindowType::SCROLLBARBOX: nRole = accessibility::AccessibleRole::FILLER; break;
+
+ case WindowType::HELPTEXTWINDOW: nRole = accessibility::AccessibleRole::TOOL_TIP; break;
+
+ case WindowType::RULER: nRole = accessibility::AccessibleRole::RULER; break;
+
+ case WindowType::SCROLLWINDOW: nRole = accessibility::AccessibleRole::SCROLL_PANE; break;
+
+ case WindowType::WINDOW:
+ case WindowType::CONTROL:
+ case WindowType::BORDERWINDOW:
+ case WindowType::SYSTEMCHILDWINDOW:
+ default:
+ if (ImplIsAccessibleNativeFrame() )
+ nRole = accessibility::AccessibleRole::FRAME;
+ else if( IsScrollable() )
+ nRole = accessibility::AccessibleRole::SCROLL_PANE;
+ else if( this->ImplGetWindow()->IsMenuFloatingWindow() )
+ nRole = accessibility::AccessibleRole::WINDOW; // #106002#, contextmenus are windows (i.e. toplevel)
+ else
+ // #104051# WINDOW seems to be a bad default role, use LAYEREDPANE instead
+ // a WINDOW is interpreted as a top-level window, which is typically not the case
+ //nRole = accessibility::AccessibleRole::WINDOW;
+ nRole = accessibility::AccessibleRole::PANEL;
+ }
+ return nRole;
+}
+
+sal_uInt16 Window::GetAccessibleRole() const
+{
+ if (!mpWindowImpl)
+ return 0;
+
+ sal_uInt16 nRole = mpWindowImpl->mpAccessibleInfos ? mpWindowImpl->mpAccessibleInfos->nAccessibleRole : 0xFFFF;
+ if ( nRole == 0xFFFF )
+ nRole = getDefaultAccessibleRole();
+ return nRole;
+}
+
+void Window::SetAccessibleName( const OUString& rName )
+{
+ if ( !mpWindowImpl->mpAccessibleInfos )
+ mpWindowImpl->mpAccessibleInfos.reset( new ImplAccessibleInfos );
+
+ OUString oldName = GetAccessibleName();
+
+ mpWindowImpl->mpAccessibleInfos->pAccessibleName = rName;
+
+ CallEventListeners( VclEventId::WindowFrameTitleChanged, &oldName );
+}
+
+OUString Window::GetAccessibleName() const
+{
+ if (!mpWindowImpl)
+ return OUString();
+
+ if (mpWindowImpl->mpAccessibleInfos && mpWindowImpl->mpAccessibleInfos->pAccessibleName)
+ return *mpWindowImpl->mpAccessibleInfos->pAccessibleName;
+ return getDefaultAccessibleName();
+}
+
+OUString Window::getDefaultAccessibleName() const
+{
+ OUString aAccessibleName;
+ switch ( GetType() )
+ {
+ case WindowType::MULTILINEEDIT:
+ case WindowType::PATTERNFIELD:
+ case WindowType::NUMERICFIELD:
+ case WindowType::METRICFIELD:
+ case WindowType::CURRENCYFIELD:
+ case WindowType::LONGCURRENCYFIELD:
+ case WindowType::CALCINPUTLINE:
+ case WindowType::EDIT:
+
+ case WindowType::DATEBOX:
+ case WindowType::TIMEBOX:
+ case WindowType::CURRENCYBOX:
+ case WindowType::LONGCURRENCYBOX:
+ case WindowType::DATEFIELD:
+ case WindowType::TIMEFIELD:
+ case WindowType::SPINFIELD:
+ case WindowType::FORMATTEDFIELD:
+
+ case WindowType::COMBOBOX:
+ case WindowType::LISTBOX:
+ case WindowType::MULTILISTBOX:
+ case WindowType::TREELISTBOX:
+ case WindowType::METRICBOX:
+ {
+ vcl::Window *pLabel = GetAccessibleRelationLabeledBy();
+ if ( pLabel && pLabel != this )
+ aAccessibleName = pLabel->GetText();
+ if (aAccessibleName.isEmpty())
+ aAccessibleName = GetQuickHelpText();
+ }
+ break;
+
+ case WindowType::IMAGEBUTTON:
+ case WindowType::PUSHBUTTON:
+ aAccessibleName = GetText();
+ if (aAccessibleName.isEmpty())
+ {
+ aAccessibleName = GetQuickHelpText();
+ if (aAccessibleName.isEmpty())
+ aAccessibleName = GetHelpText();
+ }
+ break;
+
+ case WindowType::TOOLBOX:
+ aAccessibleName = GetText();
+ break;
+
+ case WindowType::MOREBUTTON:
+ aAccessibleName = mpWindowImpl->maText;
+ break;
+
+ default:
+ aAccessibleName = GetText();
+ break;
+ }
+
+ return GetNonMnemonicString( aAccessibleName );
+}
+
+void Window::SetAccessibleDescription( const OUString& rDescription )
+{
+ if ( ! mpWindowImpl->mpAccessibleInfos )
+ mpWindowImpl->mpAccessibleInfos.reset( new ImplAccessibleInfos );
+
+ SAL_WARN_IF( mpWindowImpl->mpAccessibleInfos->pAccessibleDescription, "vcl", "AccessibleDescription already set!" );
+ mpWindowImpl->mpAccessibleInfos->pAccessibleDescription = rDescription;
+}
+
+OUString Window::GetAccessibleDescription() const
+{
+ if (!mpWindowImpl)
+ return OUString();
+
+ OUString aAccessibleDescription;
+ if ( mpWindowImpl->mpAccessibleInfos && mpWindowImpl->mpAccessibleInfos->pAccessibleDescription )
+ {
+ aAccessibleDescription = *mpWindowImpl->mpAccessibleInfos->pAccessibleDescription;
+ }
+ else
+ {
+ // Special code for help text windows. ZT asks the border window for the
+ // description so we have to forward this request to our inner window.
+ const vcl::Window* pWin = this->ImplGetWindow();
+ if ( pWin->GetType() == WindowType::HELPTEXTWINDOW )
+ aAccessibleDescription = pWin->GetHelpText();
+ else
+ aAccessibleDescription = GetHelpText();
+ }
+
+ return aAccessibleDescription;
+}
+
+void Window::SetAccessibleRelationLabeledBy( vcl::Window* pLabeledBy )
+{
+ if ( !mpWindowImpl->mpAccessibleInfos )
+ mpWindowImpl->mpAccessibleInfos.reset( new ImplAccessibleInfos );
+ mpWindowImpl->mpAccessibleInfos->pLabeledByWindow = pLabeledBy;
+}
+
+void Window::SetAccessibleRelationLabelFor( vcl::Window* pLabelFor )
+{
+ if ( !mpWindowImpl->mpAccessibleInfos )
+ mpWindowImpl->mpAccessibleInfos.reset( new ImplAccessibleInfos );
+ mpWindowImpl->mpAccessibleInfos->pLabelForWindow = pLabelFor;
+}
+
+void Window::SetAccessibleRelationMemberOf( vcl::Window* pMemberOfWin )
+{
+ if ( !mpWindowImpl->mpAccessibleInfos )
+ mpWindowImpl->mpAccessibleInfos.reset( new ImplAccessibleInfos );
+ mpWindowImpl->mpAccessibleInfos->pMemberOfWindow = pMemberOfWin;
+}
+
+vcl::Window* Window::GetAccessibleRelationMemberOf() const
+{
+ if (mpWindowImpl->mpAccessibleInfos && mpWindowImpl->mpAccessibleInfos->pMemberOfWindow)
+ return mpWindowImpl->mpAccessibleInfos->pMemberOfWindow;
+
+ if (!isContainerWindow(this) && !isContainerWindow(GetParent()))
+ return getLegacyNonLayoutAccessibleRelationMemberOf();
+
+ return nullptr;
+}
+
+vcl::Window* Window::getAccessibleRelationLabelFor() const
+{
+ if (mpWindowImpl->mpAccessibleInfos && mpWindowImpl->mpAccessibleInfos->pLabelForWindow)
+ return mpWindowImpl->mpAccessibleInfos->pLabelForWindow;
+
+ return nullptr;
+}
+
+vcl::Window* Window::GetAccessibleRelationLabelFor() const
+{
+ vcl::Window* pWindow = getAccessibleRelationLabelFor();
+
+ if (pWindow)
+ return pWindow;
+
+ if (!isContainerWindow(this) && !isContainerWindow(GetParent()))
+ return getLegacyNonLayoutAccessibleRelationLabelFor();
+
+ return nullptr;
+}
+
+vcl::Window* Window::GetAccessibleRelationLabeledBy() const
+{
+ if (mpWindowImpl->mpAccessibleInfos && mpWindowImpl->mpAccessibleInfos->pLabeledByWindow)
+ return mpWindowImpl->mpAccessibleInfos->pLabeledByWindow;
+
+ std::vector<VclPtr<FixedText> > aMnemonicLabels(list_mnemonic_labels());
+ if (!aMnemonicLabels.empty())
+ {
+ //if we have multiple labels, then prefer the first that is visible
+ for (auto const & rCandidate : aMnemonicLabels)
+ {
+ if (rCandidate->IsVisible())
+ return rCandidate;
+ }
+ return aMnemonicLabels[0];
+ }
+
+ if (!isContainerWindow(this) && !isContainerWindow(GetParent()))
+ return getLegacyNonLayoutAccessibleRelationLabeledBy();
+
+ return nullptr;
+}
+
+bool Window::IsAccessibilityEventsSuppressed( bool bTraverseParentPath )
+{
+ if( !bTraverseParentPath )
+ return mpWindowImpl->mbSuppressAccessibilityEvents;
+ else
+ {
+ vcl::Window *pParent = this;
+ while ( pParent && pParent->mpWindowImpl)
+ {
+ if( pParent->mpWindowImpl->mbSuppressAccessibilityEvents )
+ return true;
+ else
+ pParent = pParent->mpWindowImpl->mpParent; // do not use GetParent() to find borderwindows that are frames
+ }
+ return false;
+ }
+}
+
+void Window::SetAccessibilityEventsSuppressed(bool bSuppressed)
+{
+ mpWindowImpl->mbSuppressAccessibilityEvents = bSuppressed;
+}
+
+} /* namespace vcl */
+
+uno::Reference<accessibility::XAccessibleEditableText>
+FindFocusedEditableText(uno::Reference<accessibility::XAccessibleContext> const& xContext)
+{
+ if (!xContext.is())
+ return uno::Reference<accessibility::XAccessibleEditableText>();
+
+ uno::Reference<accessibility::XAccessibleStateSet> xState = xContext->getAccessibleStateSet();
+ if (xState.is())
+ {
+ if (xState->contains(accessibility::AccessibleStateType::FOCUSED))
+ {
+ uno::Reference<accessibility::XAccessibleEditableText> xText(xContext, uno::UNO_QUERY);
+ if (xText.is())
+ return xText;
+ if (xState->contains(accessibility::AccessibleStateType::MANAGES_DESCENDANTS))
+ return uno::Reference<accessibility::XAccessibleEditableText>();
+ }
+ }
+
+ bool bSafeToIterate = true;
+ sal_Int32 nCount = xContext->getAccessibleChildCount();
+ if (nCount < 0 || nCount > SAL_MAX_UINT16 /* slow enough for anyone */)
+ bSafeToIterate = false;
+ if (!bSafeToIterate)
+ return uno::Reference<accessibility::XAccessibleEditableText>();
+
+ for (sal_Int32 i = 0; i < xContext->getAccessibleChildCount(); ++i)
+ {
+ uno::Reference<accessibility::XAccessible> xChild = xContext->getAccessibleChild(i);
+ if (!xChild.is())
+ continue;
+ uno::Reference<accessibility::XAccessibleContext> xChildContext
+ = xChild->getAccessibleContext();
+ if (!xChildContext.is())
+ continue;
+ uno::Reference<accessibility::XAccessibleEditableText> xText
+ = FindFocusedEditableText(xChildContext);
+ if (xText.is())
+ return xText;
+ }
+ return uno::Reference<accessibility::XAccessibleEditableText>();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */