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Diffstat (limited to 'sc/source/ui/inc/AccessibleEditObject.hxx')
| -rw-r--r-- | sc/source/ui/inc/AccessibleEditObject.hxx | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/sc/source/ui/inc/AccessibleEditObject.hxx b/sc/source/ui/inc/AccessibleEditObject.hxx new file mode 100644 index 000000000..43a4cba6b --- /dev/null +++ b/sc/source/ui/inc/AccessibleEditObject.hxx @@ -0,0 +1,231 @@ +/* -*- 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 . + */ + +#pragma once + +#include "AccessibleContextBase.hxx" + +#include <com/sun/star/accessibility/XAccessibleSelection.hpp> +#include <address.hxx> +#include <vcl/vclptr.hxx> +#include <vcl/customweld.hxx> + +#include <memory> + +namespace accessibility +{ + class AccessibleTextHelper; +} +class EditView; +class ScTextWnd; +namespace vcl { class Window; } + +/** @descr + This base class provides an implementation of the + <code>AccessibleCell</code> service. +*/ +class ScAccessibleEditObject + : public ScAccessibleContextBase, + public css::accessibility::XAccessibleSelection +{ +public: + enum EditObjectType + { + CellInEditMode, + EditLine, + EditControl + }; + + ScAccessibleEditObject( + const css::uno::Reference<css::accessibility::XAccessible>& rxParent, + EditView* pEditView, vcl::Window* pWin, const OUString& rName, + const OUString& rDescription, EditObjectType eObjectType); + + void InitAcc( + const css::uno::Reference<css::accessibility::XAccessible>& rxParent, + EditView* pEditView, const OUString& rName, const OUString& rDescription); + +protected: + virtual ~ScAccessibleEditObject() override; + + ScAccessibleEditObject(EditObjectType eObjectType); + + using ScAccessibleContextBase::IsDefunc; + +public: + using ScAccessibleContextBase::disposing; + + virtual void SAL_CALL disposing() override; + + void LostFocus(); + + void GotFocus(); +///===== XInterface ===================================================== + + virtual css::uno::Any SAL_CALL queryInterface( + css::uno::Type const & rType ) override; + + virtual void SAL_CALL acquire() noexcept override; + + virtual void SAL_CALL release() noexcept override; + ///===== XAccessibleComponent ============================================ + + virtual css::uno::Reference< css::accessibility::XAccessible > + SAL_CALL getAccessibleAtPoint( + const css::awt::Point& rPoint ) override; + + virtual OutputDevice* GetOutputDeviceForView(); + +protected: + /// Return the object's current bounding box relative to the desktop. + virtual tools::Rectangle GetBoundingBoxOnScreen() const override; + + /// Return the object's current bounding box relative to the parent object. + virtual tools::Rectangle GetBoundingBox() const override; + +public: + ///===== XAccessibleContext ============================================== + + /// Return the number of currently visible children. + /// override to calculate this on demand + virtual sal_Int32 SAL_CALL + getAccessibleChildCount() override; + + /// Return the specified child or NULL if index is invalid. + /// override to calculate this on demand + virtual css::uno::Reference< css::accessibility::XAccessible> SAL_CALL + getAccessibleChild(sal_Int32 nIndex) override; + + /// Return the set of current states. + virtual css::uno::Reference< + css::accessibility::XAccessibleStateSet> SAL_CALL + getAccessibleStateSet() override; + + //===== XAccessibleSelection ============================================ + + virtual void SAL_CALL selectAccessibleChild( + sal_Int32 nChildIndex ) override; + virtual sal_Bool SAL_CALL isAccessibleChildSelected( + sal_Int32 nChildIndex ) override; + virtual void SAL_CALL clearAccessibleSelection( ) override; + virtual void SAL_CALL selectAllAccessibleChildren( ) override; + virtual sal_Int32 SAL_CALL getSelectedAccessibleChildCount( ) override; + virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild( + sal_Int32 nSelectedChildIndex ) override; + virtual void SAL_CALL deselectAccessibleChild( + sal_Int32 nSelectedChildIndex ) override; + virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet( ) override; +protected: + /// Return this object's description. + virtual OUString + createAccessibleDescription() override; + + /// Return the object's current name. + virtual OUString + createAccessibleName() override; + +public: + ///===== XAccessibleEventBroadcaster ===================================== + + /** Add listener that is informed of future changes of name, + description and so on events. + */ + virtual void SAL_CALL + addAccessibleEventListener( + const css::uno::Reference<css::accessibility::XAccessibleEventListener>& xListener) override; + + // Remove an existing event listener. + virtual void SAL_CALL + removeAccessibleEventListener( + const css::uno::Reference<css::accessibility::XAccessibleEventListener>& xListener) override; + + ///===== XServiceInfo ==================================================== + + /** Returns an identifier for the implementation of this object. + */ + virtual OUString SAL_CALL + getImplementationName() override; + + ///===== XTypeProvider =================================================== + + /** Returns an implementation id. + */ + virtual css::uno::Sequence<sal_Int8> SAL_CALL + getImplementationId() override; + +private: + std::unique_ptr<accessibility::AccessibleTextHelper> mpTextHelper; + EditView* mpEditView; + VclPtr<vcl::Window> mpWindow; +protected: + ScTextWnd* mpTextWnd; +private: + EditObjectType meObjectType; + bool mbHasFocus; + + bool IsDefunc( + const css::uno::Reference<css::accessibility::XAccessibleStateSet>& rxParentStates); + + void CreateTextHelper(); + ScDocument *m_pScDoc; + ScAddress m_curCellAddress; + + ///===== XAccessibleComponent ============================================ + virtual sal_Int32 SAL_CALL getForeground( ) override; + + virtual sal_Int32 SAL_CALL getBackground( ) override; + + sal_Int32 GetFgBgColor( const OUString &strPropColor) ; +}; + +class ScAccessibleEditControlObject : public ScAccessibleEditObject +{ +private: + weld::CustomWidgetController* m_pController; + +protected: + /// Return the object's current bounding box relative to the desktop. + virtual tools::Rectangle GetBoundingBoxOnScreen() const override; + + /// Return the object's current bounding box relative to the parent object. + virtual tools::Rectangle GetBoundingBox() const override; + +public: + ScAccessibleEditControlObject(weld::CustomWidgetController* pController, EditObjectType eObjectType) + : ScAccessibleEditObject(eObjectType) + , m_pController(pController) + { + } + + virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet( ) override; + + // for mapping positions/sizes within the TextView to a11y + virtual OutputDevice* GetOutputDeviceForView() override; + + using ScAccessibleContextBase::disposing; + virtual void SAL_CALL disposing() override; +}; + +class ScAccessibleEditLineObject : public ScAccessibleEditControlObject +{ +public: + ScAccessibleEditLineObject(ScTextWnd* pTextWnd); +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |