Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */