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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
#include <QtGui/qtguiglobal.h>
#if QT_CONFIG(accessibility)
#include "qwindowsuiaselectionitemprovider.h"
#include "qwindowsuiamainprovider.h"
#include "qwindowsuiautils.h"
#include "qwindowscontext.h"
#include <QtGui/qaccessible.h>
#include <QtCore/qloggingcategory.h>
#include <QtCore/qstring.h>
QT_BEGIN_NAMESPACE
using namespace QWindowsUiAutomation;
QWindowsUiaSelectionItemProvider::QWindowsUiaSelectionItemProvider(QAccessible::Id id) :
QWindowsUiaBaseProvider(id)
{
}
QWindowsUiaSelectionItemProvider::~QWindowsUiaSelectionItemProvider()
{
}
// Selects the element (deselecting all others).
HRESULT STDMETHODCALLTYPE QWindowsUiaSelectionItemProvider::Select()
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
QAccessibleInterface *accessible = accessibleInterface();
if (!accessible)
return UIA_E_ELEMENTNOTAVAILABLE;
if (QAccessibleInterface *parent = accessible->parent()) {
if (QAccessibleSelectionInterface *selectionInterface = parent->selectionInterface()) {
selectionInterface->clear();
bool ok = selectionInterface->select(accessible);
return ok ? S_OK : S_FALSE;
}
}
QAccessibleActionInterface *actionInterface = accessible->actionInterface();
if (!actionInterface)
return UIA_E_ELEMENTNOTAVAILABLE;
if (accessible->role() == QAccessible::RadioButton || accessible->role() == QAccessible::PageTab) {
// For radio buttons/tabs we just invoke the selection action; others are automatically deselected.
actionInterface->doAction(QAccessibleActionInterface::pressAction());
} else {
// Toggle list item if not already selected. It must be done first to support all selection modes.
if (!accessible->state().selected) {
actionInterface->doAction(QAccessibleActionInterface::toggleAction());
}
// Toggle selected siblings.
if (QAccessibleInterface *parent = accessible->parent()) {
for (int i = 0; i < parent->childCount(); ++i) {
if (QAccessibleInterface *sibling = parent->child(i)) {
if ((sibling != accessible) && (sibling->state().selected)) {
if (QAccessibleActionInterface *siblingAction = sibling->actionInterface()) {
siblingAction->doAction(QAccessibleActionInterface::toggleAction());
}
}
}
}
}
}
return S_OK;
}
// Adds the element to the list of selected elements.
HRESULT STDMETHODCALLTYPE QWindowsUiaSelectionItemProvider::AddToSelection()
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
QAccessibleInterface *accessible = accessibleInterface();
if (!accessible)
return UIA_E_ELEMENTNOTAVAILABLE;
if (QAccessibleInterface *parent = accessible->parent()) {
if (QAccessibleSelectionInterface *selectionInterface = parent->selectionInterface()) {
bool ok = selectionInterface->select(accessible);
return ok ? S_OK : S_FALSE;
}
}
QAccessibleActionInterface *actionInterface = accessible->actionInterface();
if (!actionInterface)
return UIA_E_ELEMENTNOTAVAILABLE;
if (accessible->role() == QAccessible::RadioButton || accessible->role() == QAccessible::PageTab) {
// For radio buttons and tabs we invoke the selection action.
actionInterface->doAction(QAccessibleActionInterface::pressAction());
} else {
// Toggle list item if not already selected.
if (!accessible->state().selected) {
actionInterface->doAction(QAccessibleActionInterface::toggleAction());
}
}
return S_OK;
}
// Removes a list item from selection.
HRESULT STDMETHODCALLTYPE QWindowsUiaSelectionItemProvider::RemoveFromSelection()
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
QAccessibleInterface *accessible = accessibleInterface();
if (!accessible)
return UIA_E_ELEMENTNOTAVAILABLE;
if (QAccessibleInterface *parent = accessible->parent()) {
if (QAccessibleSelectionInterface *selectionInterface = parent->selectionInterface()) {
bool ok = selectionInterface->unselect(accessible);
return ok ? S_OK : S_FALSE;
}
}
QAccessibleActionInterface *actionInterface = accessible->actionInterface();
if (!actionInterface)
return UIA_E_ELEMENTNOTAVAILABLE;
if (accessible->role() != QAccessible::RadioButton && accessible->role() != QAccessible::PageTab) {
if (accessible->state().selected) {
actionInterface->doAction(QAccessibleActionInterface::toggleAction());
}
}
return S_OK;
}
// Returns true if element is currently selected.
HRESULT STDMETHODCALLTYPE QWindowsUiaSelectionItemProvider::get_IsSelected(BOOL *pRetVal)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!pRetVal)
return E_INVALIDARG;
*pRetVal = FALSE;
QAccessibleInterface *accessible = accessibleInterface();
if (!accessible)
return UIA_E_ELEMENTNOTAVAILABLE;
if (QAccessibleInterface *parent = accessible->parent()) {
if (QAccessibleSelectionInterface *selectionInterface = parent->selectionInterface()) {
bool selected = selectionInterface->isSelected(accessible);
*pRetVal = selected ? TRUE : FALSE;
return S_OK;
}
}
if (accessible->role() == QAccessible::RadioButton)
*pRetVal = accessible->state().checked;
else if (accessible->role() == QAccessible::PageTab)
*pRetVal = accessible->state().focused;
else
*pRetVal = accessible->state().selected;
return S_OK;
}
// Returns the provider for the container element (e.g., the list for the list item).
HRESULT STDMETHODCALLTYPE QWindowsUiaSelectionItemProvider::get_SelectionContainer(IRawElementProviderSimple **pRetVal)
{
qCDebug(lcQpaUiAutomation) << __FUNCTION__;
if (!pRetVal)
return E_INVALIDARG;
*pRetVal = nullptr;
QAccessibleInterface *accessible = accessibleInterface();
if (!accessible)
return UIA_E_ELEMENTNOTAVAILABLE;
QAccessibleInterface *parent = accessible->parent();
if (parent && parent->selectionInterface()) {
*pRetVal = QWindowsUiaMainProvider::providerForAccessible(parent);
return S_OK;
}
QAccessibleActionInterface *actionInterface = accessible->actionInterface();
if (!actionInterface)
return UIA_E_ELEMENTNOTAVAILABLE;
// Radio buttons do not require a container.
if (parent) {
if ((accessible->role() == QAccessible::ListItem && parent->role() == QAccessible::List)
|| (accessible->role() == QAccessible::PageTab && parent->role() == QAccessible::PageTabList)) {
*pRetVal = QWindowsUiaMainProvider::providerForAccessible(parent);
}
}
return S_OK;
}
QT_END_NAMESPACE
#endif // QT_CONFIG(accessibility)
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