qwindowsuiaselectionprovider.h

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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QWINDOWSUIASELECTIONPROVIDER_H
#define QWINDOWSUIASELECTIONPROVIDER_H
 
#include <QtGui/qtguiglobal.h>
#if QT_CONFIG(accessibility)
 
#include "qwindowsuiabaseprovider.h"
 
QT_BEGIN_NAMESPACE
 
namespace QtPrivate {
 
template <>
struct QComObjectTraits<ISelectionProvider2>
{
    static constexpr bool isGuidOf(REFIID riid) noexcept
    {
        return QComObjectTraits<ISelectionProvider2, ISelectionProvider>::isGuidOf(riid);
    }
};
 
} // namespace QtPrivate
 
// Implements the Selection control pattern provider. Used for Lists.
class QWindowsUiaSelectionProvider : public QWindowsUiaBaseProvider,
                                     public QComObject<ISelectionProvider2>
{
    Q_DISABLE_COPY_MOVE(QWindowsUiaSelectionProvider)
public:
    explicit QWindowsUiaSelectionProvider(QAccessible::Id id);
    virtual ~QWindowsUiaSelectionProvider();
 
    // ISelectionProvider
    HRESULT STDMETHODCALLTYPE GetSelection(SAFEARRAY **pRetVal) override;
    HRESULT STDMETHODCALLTYPE get_CanSelectMultiple(BOOL *pRetVal) override;
    HRESULT STDMETHODCALLTYPE get_IsSelectionRequired(BOOL *pRetVal) override;
 
    // ISelectionProvider2
    HRESULT STDMETHODCALLTYPE get_FirstSelectedItem(__RPC__deref_out_opt IRawElementProviderSimple **pRetVal) override;
    HRESULT STDMETHODCALLTYPE get_LastSelectedItem(__RPC__deref_out_opt IRawElementProviderSimple **pRetVal) override;
    HRESULT STDMETHODCALLTYPE get_CurrentSelectedItem(__RPC__deref_out_opt IRawElementProviderSimple **pRetVal) override;
    HRESULT STDMETHODCALLTYPE get_ItemCount(__RPC__out int *pRetVal) override;
};
 
QT_END_NAMESPACE
 
#endif // QT_CONFIG(accessibility)
 
#endif // QWINDOWSUIASELECTIONPROVIDER_H