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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
******************************************************************************/
#include <QtGui/qtguiglobal.h>
#if QT_CONFIG(accessibility)
#include "qwindowsuiaselectionprovider.h"
#include "qwindowsuiamainprovider.h"
#include "qwindowsuiautils.h"
#include "qwindowscontext.h"
#include <QtGui/qaccessible.h>
#include <QtCore/qloggingcategory.h>
#include <QtCore/qstring.h>
#include <QtCore/qlist.h>
QT_BEGIN_NAMESPACE
using namespace QWindowsUiAutomation;
QWindowsUiaSelectionProvider::QWindowsUiaSelectionProvider(QAccessible::Id id) :
QWindowsUiaBaseProvider(id)
{
}
QWindowsUiaSelectionProvider::~QWindowsUiaSelectionProvider()
{
}
// Returns an array of providers with the selected items.
HRESULT STDMETHODCALLTYPE QWindowsUiaSelectionProvider::GetSelection(SAFEARRAY **pRetVal)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!pRetVal)
return E_INVALIDARG;
*pRetVal = nullptr;
QAccessibleInterface *accessible = accessibleInterface();
if (!accessible)
return UIA_E_ELEMENTNOTAVAILABLE;
// First put selected items in a list, then build a safe array with the right size.
QList<QAccessibleInterface *> selectedList;
for (int i = 0; i < accessible->childCount(); ++i) {
if (QAccessibleInterface *child = accessible->child(i)) {
if (child->state().selected) {
selectedList.append(child);
}
}
}
if ((*pRetVal = SafeArrayCreateVector(VT_UNKNOWN, 0, selectedList.size()))) {
for (LONG i = 0; i < selectedList.size(); ++i) {
if (QWindowsUiaMainProvider *childProvider = QWindowsUiaMainProvider::providerForAccessible(selectedList.at(i))) {
SafeArrayPutElement(*pRetVal, &i, static_cast<IRawElementProviderSimple *>(childProvider));
childProvider->Release();
}
}
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE QWindowsUiaSelectionProvider::get_CanSelectMultiple(BOOL *pRetVal)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!pRetVal)
return E_INVALIDARG;
*pRetVal = FALSE;
QAccessibleInterface *accessible = accessibleInterface();
if (!accessible)
return UIA_E_ELEMENTNOTAVAILABLE;
*pRetVal = accessible->state().multiSelectable;
return S_OK;
}
HRESULT STDMETHODCALLTYPE QWindowsUiaSelectionProvider::get_IsSelectionRequired(BOOL *pRetVal)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!pRetVal)
return E_INVALIDARG;
*pRetVal = FALSE;
QAccessibleInterface *accessible = accessibleInterface();
if (!accessible)
return UIA_E_ELEMENTNOTAVAILABLE;
// Initially returns false if none are selected. After the first selection, it may be required.
bool anySelected = false;
for (int i = 0; i < accessible->childCount(); ++i) {
if (QAccessibleInterface *child = accessible->child(i)) {
if (child->state().selected) {
anySelected = true;
break;
}
}
}
*pRetVal = anySelected && !accessible->state().multiSelectable && !accessible->state().extSelectable;
return S_OK;
}
QT_END_NAMESPACE
#endif // QT_CONFIG(accessibility)
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