5.6.3: qcocoaaccessibilityelement.mm original

2024-11-22 19:00:04 +08:00 · 2021-08-04 18:45:39 +02:00 · 2021-08-04 18:45:39 +02:00 · 3212d56901
commit 3212d56901
parent 2780fd0483
1 changed files with 596 additions and 0 deletions
--- a/5.6.3/qtbase/src/plugins/platforms/cocoa/qcocoaaccessibilityelement.mm
+++ b/5.6.3/qtbase/src/plugins/platforms/cocoa/qcocoaaccessibilityelement.mm
@ -0,0 +1,596 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** As a special exception, The Qt Company gives you certain additional
+** rights. These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "qcocoaaccessibilityelement.h"
+#include "qcocoaaccessibility.h"
+#include "qcocoahelpers.h"
+#include "qcocoawindow.h"
+#include "private/qaccessiblecache_p.h"
+#include <QtPlatformSupport/private/qaccessiblebridgeutils_p.h>
+#include <QtGui/qaccessible.h>
+
+#import <AppKit/NSAccessibility.h>
+
+QT_USE_NAMESPACE
+
+#ifndef QT_NO_ACCESSIBILITY
+
+static void convertLineOffset(QAccessibleTextInterface *text, int *line, int *offset, NSUInteger *start = 0, NSUInteger *end = 0)
+{
+    Q_ASSERT(*line == -1 || *offset == -1);
+    Q_ASSERT(*line != -1 || *offset != -1);
+    Q_ASSERT(*offset <= text->characterCount());
+
+    int curLine = -1;
+    int curStart = 0, curEnd = 0;
+
+    do {
+        curStart = curEnd;
+        text->textAtOffset(curStart, QAccessible::LineBoundary, &curStart, &curEnd);
+        // If the text is empty then we just return
+        if (curStart == -1 || curEnd == -1) {
+            if (start)
+                *start = 0;
+            if (end)
+                *end = 0;
+            return;
+        }
+        ++curLine;
+        {
+            // check for a case where a single word longer than the text edit's width and gets wrapped
+            // in the middle of the word; in this case curEnd will be an offset belonging to the next line
+            // and therefore nextEnd will not be equal to curEnd
+            int nextStart;
+            int nextEnd;
+            text->textAtOffset(curEnd, QAccessible::LineBoundary, &nextStart, &nextEnd);
+            if (nextEnd == curEnd)
+                ++curEnd;
+        }
+    } while ((*line == -1 || curLine < *line) && (*offset == -1 || (curEnd <= *offset)) && curEnd <= text->characterCount());
+
+    curEnd = qMin(curEnd, text->characterCount());
+
+    if (*line == -1)
+        *line = curLine;
+    if (*offset == -1)
+        *offset = curStart;
+
+    Q_ASSERT(curStart >= 0);
+    Q_ASSERT(curEnd >= 0);
+    if (start)
+        *start = curStart;
+    if (end)
+        *end = curEnd;
+}
+
+@implementation QMacAccessibilityElement
+
+- (id)initWithId:(QAccessible::Id)anId
+{
+    Q_ASSERT((int)anId < 0);
+    self = [super init];
+    if (self) {
+        axid = anId;
+        QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+        Q_ASSERT(iface);
+        role = QCocoaAccessible::macRole(iface);
+    }
+
+    return self;
+}
+
+ (id)elementWithId:(QAccessible::Id)anId
+{
+    Q_ASSERT(anId);
+    if (!anId)
+        return nil;
+
+    QAccessibleCache *cache = QAccessibleCache::instance();
+
+    QMacAccessibilityElement *element = cache->elementForId(anId);
+    if (!element) {
+        QAccessibleInterface *iface = QAccessible::accessibleInterface(anId);
+        Q_ASSERT(iface);
+        if (!iface || !iface->isValid())
+            return nil;
+        element = [[self alloc] initWithId:anId];
+        cache->insertElement(anId, element);
+    }
+    return element;
+}
+
+- (void)invalidate {
+    axid = 0;
+    NSAccessibilityPostNotification(self, NSAccessibilityUIElementDestroyedNotification);
+    [self release];
+}
+
+- (void)dealloc {
+    [super dealloc];
+}
+
+- (BOOL)isEqual:(id)object {
+    if ([object isKindOfClass:[QMacAccessibilityElement class]]) {
+        QMacAccessibilityElement *other = object;
+        return other->axid == axid;
+    } else {
+        return NO;
+    }
+}
+
+- (NSUInteger)hash {
+    return axid;
+}
+
+//
+// accessibility protocol
+//
+
+// attributes
+
+ (id) lineNumberForIndex: (int)index forText:(const QString &)text
+{
+    QStringRef textBefore = QStringRef(&text, 0, index);
+    int newlines = textBefore.count(QLatin1Char('\n'));
+    return [NSNumber numberWithInt: newlines];
+}
+
+- (BOOL) accessibilityNotifiesWhenDestroyed {
+    return YES;
+}
+
+- (NSArray *)accessibilityAttributeNames {
+    static NSArray *defaultAttributes = nil;
+
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+    if (!iface || !iface->isValid())
+        return defaultAttributes;
+
+    if (defaultAttributes == nil) {
+        defaultAttributes = [[NSArray alloc] initWithObjects:
+        NSAccessibilityRoleAttribute,
+        NSAccessibilityRoleDescriptionAttribute,
+        NSAccessibilitySubroleAttribute,
+        NSAccessibilityChildrenAttribute,
+        NSAccessibilityFocusedAttribute,
+        NSAccessibilityParentAttribute,
+        NSAccessibilityWindowAttribute,
+        NSAccessibilityTopLevelUIElementAttribute,
+        NSAccessibilityPositionAttribute,
+        NSAccessibilitySizeAttribute,
+        NSAccessibilityTitleAttribute,
+        NSAccessibilityDescriptionAttribute,
+        NSAccessibilityEnabledAttribute,
+        nil];
+    }
+
+    NSMutableArray *attributes = [[NSMutableArray alloc] initWithCapacity : [defaultAttributes count]];
+    [attributes addObjectsFromArray : defaultAttributes];
+
+    if (QCocoaAccessible::hasValueAttribute(iface)) {
+        [attributes addObject : NSAccessibilityValueAttribute];
+    }
+
+    if (iface->textInterface()) {
+        [attributes addObjectsFromArray: [[NSArray alloc] initWithObjects:
+            NSAccessibilityNumberOfCharactersAttribute,
+            NSAccessibilitySelectedTextAttribute,
+            NSAccessibilitySelectedTextRangeAttribute,
+            NSAccessibilityVisibleCharacterRangeAttribute,
+            NSAccessibilityInsertionPointLineNumberAttribute,
+            nil
+        ]];
+
+// TODO: multi-selection: NSAccessibilitySelectedTextRangesAttribute,
+    }
+
+    if (iface->valueInterface()) {
+        [attributes addObjectsFromArray: [[NSArray alloc] initWithObjects:
+            NSAccessibilityMinValueAttribute,
+            NSAccessibilityMaxValueAttribute,
+            nil
+        ]];
+    }
+
+    return [attributes autorelease];
+}
+
+- (id)parentElement {
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+    if (!iface || !iface->isValid())
+        return nil;
+
+    if (QWindow *window = iface->window()) {
+        QCocoaWindow *win = static_cast<QCocoaWindow*>(window->handle());
+        return win->qtView();
+    }
+
+    QAccessibleInterface *parent = iface->parent();
+    if (!parent) {
+        qWarning() << "INVALID PARENT FOR INTERFACE: " << iface;
+        return nil;
+    }
+
+    QAccessible::Id parentId = QAccessible::uniqueId(parent);
+    return [QMacAccessibilityElement elementWithId: parentId];
+}
+
+
+- (id) minValueAttribute:(QAccessibleInterface*)iface {
+    if (QAccessibleValueInterface *val = iface->valueInterface())
+        return [NSNumber numberWithDouble: val->minimumValue().toDouble()];
+    return nil;
+}
+
+- (id) maxValueAttribute:(QAccessibleInterface*)iface {
+    if (QAccessibleValueInterface *val = iface->valueInterface())
+        return [NSNumber numberWithDouble: val->maximumValue().toDouble()];
+    return nil;
+}
+
+- (id)accessibilityAttributeValue:(NSString *)attribute {
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+    if (!iface || !iface->isValid()) {
+        qWarning() << "Called attribute on invalid object: " << axid;
+        return nil;
+    }
+
+    if ([attribute isEqualToString:NSAccessibilityRoleAttribute]) {
+        return role;
+    } else if ([attribute isEqualToString:NSAccessibilitySubroleAttribute]) {
+        return QCocoaAccessible::macSubrole(iface);
+    } else if ([attribute isEqualToString:NSAccessibilityRoleDescriptionAttribute]) {
+        return NSAccessibilityRoleDescription(role, [self accessibilityAttributeValue:NSAccessibilitySubroleAttribute]);
+    } else if ([attribute isEqualToString:NSAccessibilityChildrenAttribute]) {
+        return QCocoaAccessible::unignoredChildren(iface);
+    } else if ([attribute isEqualToString:NSAccessibilityFocusedAttribute]) {
+        // Just check if the app thinks we're focused.
+        id focusedElement = [NSApp accessibilityAttributeValue:NSAccessibilityFocusedUIElementAttribute];
+        return [NSNumber numberWithBool:[focusedElement isEqual:self]];
+    } else if ([attribute isEqualToString:NSAccessibilityParentAttribute]) {
+        return NSAccessibilityUnignoredAncestor([self parentElement]);
+    } else if ([attribute isEqualToString:NSAccessibilityWindowAttribute]) {
+        // We're in the same window as our parent.
+        return [[self parentElement] accessibilityAttributeValue:NSAccessibilityWindowAttribute];
+    } else if ([attribute isEqualToString:NSAccessibilityTopLevelUIElementAttribute]) {
+        // We're in the same top level element as our parent.
+        return [[self parentElement] accessibilityAttributeValue:NSAccessibilityTopLevelUIElementAttribute];
+    } else if ([attribute isEqualToString:NSAccessibilityPositionAttribute]) {
+        QPoint qtPosition = iface->rect().topLeft();
+        QSize qtSize = iface->rect().size();
+        return [NSValue valueWithPoint: NSMakePoint(qtPosition.x(), qt_mac_flipYCoordinate(qtPosition.y() + qtSize.height()))];
+    } else if ([attribute isEqualToString:NSAccessibilitySizeAttribute]) {
+        QSize qtSize = iface->rect().size();
+        return [NSValue valueWithSize: NSMakeSize(qtSize.width(), qtSize.height())];
+    } else if ([attribute isEqualToString:NSAccessibilityTitleAttribute]) {
+        return QCFString::toNSString(iface->text(QAccessible::Name));
+    } else if ([attribute isEqualToString:NSAccessibilityDescriptionAttribute]) {
+        return QCFString::toNSString(iface->text(QAccessible::Description));
+    } else if ([attribute isEqualToString:NSAccessibilityEnabledAttribute]) {
+        return [NSNumber numberWithBool:!iface->state().disabled];
+    } else if ([attribute isEqualToString:NSAccessibilityValueAttribute]) {
+        // VoiceOver asks for the value attribute for all elements. Return nil
+        // if we don't want the element to have a value attribute.
+        if (!QCocoaAccessible::hasValueAttribute(iface))
+            return nil;
+
+        return QCocoaAccessible::getValueAttribute(iface);
+
+    } else if ([attribute isEqualToString:NSAccessibilityNumberOfCharactersAttribute]) {
+        if (QAccessibleTextInterface *text = iface->textInterface())
+            return [NSNumber numberWithInt: text->characterCount()];
+        return nil;
+    } else if ([attribute isEqualToString:NSAccessibilitySelectedTextAttribute]) {
+        if (QAccessibleTextInterface *text = iface->textInterface()) {
+            int start = 0;
+            int end = 0;
+            text->selection(0, &start, &end);
+            return text->text(start, end).toNSString();
+        }
+        return nil;
+    } else if ([attribute isEqualToString:NSAccessibilitySelectedTextRangeAttribute]) {
+        if (QAccessibleTextInterface *text = iface->textInterface()) {
+            int start = 0;
+            int end = 0;
+            if (text->selectionCount() > 0) {
+                text->selection(0, &start, &end);
+            } else {
+                start = text->cursorPosition();
+                end = start;
+            }
+            return [NSValue valueWithRange:NSMakeRange(quint32(start), quint32(end - start))];
+        }
+        return [NSValue valueWithRange: NSMakeRange(0, 0)];
+    } else if ([attribute isEqualToString:NSAccessibilityVisibleCharacterRangeAttribute]) {
+        // FIXME This is not correct and may impact performance for big texts
+        return [NSValue valueWithRange: NSMakeRange(0, iface->textInterface()->characterCount())];
+
+    } else if ([attribute isEqualToString:NSAccessibilityInsertionPointLineNumberAttribute]) {
+        if (QAccessibleTextInterface *text = iface->textInterface()) {
+            int line = 0; // true for all single line edits
+            if (iface->state().multiLine) {
+                int position = text->cursorPosition();
+                convertLineOffset(text, &line, &position);
+            }
+            return [NSNumber numberWithInt: line];
+        }
+        return nil;
+    } else if ([attribute isEqualToString:NSAccessibilityMinValueAttribute]) {
+        return [self minValueAttribute:iface];
+    } else if ([attribute isEqualToString:NSAccessibilityMaxValueAttribute]) {
+        return [self maxValueAttribute:iface];
+    }
+
+    return nil;
+}
+
+- (NSArray *)accessibilityParameterizedAttributeNames {
+
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+    if (!iface || !iface->isValid()) {
+        qWarning() << "Called attribute on invalid object: " << axid;
+        return nil;
+    }
+
+    if (iface->textInterface()) {
+            return [[NSArray alloc] initWithObjects:
+                    NSAccessibilityStringForRangeParameterizedAttribute,
+                    NSAccessibilityLineForIndexParameterizedAttribute,
+                    NSAccessibilityRangeForLineParameterizedAttribute,
+                    NSAccessibilityRangeForPositionParameterizedAttribute,
+//                    NSAccessibilityRangeForIndexParameterizedAttribute,
+                    NSAccessibilityBoundsForRangeParameterizedAttribute,
+//                    NSAccessibilityRTFForRangeParameterizedAttribute,
+                    NSAccessibilityStyleRangeForIndexParameterizedAttribute,
+                    NSAccessibilityAttributedStringForRangeParameterizedAttribute,
+                    nil
+                ];
+    }
+
+    return nil;
+}
+
+- (id)accessibilityAttributeValue:(NSString *)attribute forParameter:(id)parameter {
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+    if (!iface || !iface->isValid()) {
+        qWarning() << "Called attribute on invalid object: " << axid;
+        return nil;
+    }
+
+    if (!iface->textInterface())
+        return nil;
+
+    if ([attribute isEqualToString: NSAccessibilityStringForRangeParameterizedAttribute]) {
+        NSRange range = [parameter rangeValue];
+        QString text = iface->textInterface()->text(range.location, range.location + range.length);
+        return text.toNSString();
+    }
+    if ([attribute isEqualToString: NSAccessibilityLineForIndexParameterizedAttribute]) {
+        int index = [parameter intValue];
+        if (index < 0 || index > iface->textInterface()->characterCount())
+            return nil;
+        int line = -1;
+        convertLineOffset(iface->textInterface(), &line, &index);
+        return [NSNumber numberWithInt:line];
+    }
+    if ([attribute isEqualToString: NSAccessibilityRangeForLineParameterizedAttribute]) {
+        int line = [parameter intValue];
+        if (line < 0)
+            return nil;
+        int lineOffset = -1;
+        NSUInteger startOffset = 0;
+        NSUInteger endOffset = 0;
+        convertLineOffset(iface->textInterface(), &line, &lineOffset, &startOffset, &endOffset);
+        return [NSValue valueWithRange:NSMakeRange(startOffset, endOffset - startOffset)];
+    }
+    if ([attribute isEqualToString: NSAccessibilityBoundsForRangeParameterizedAttribute]) {
+        NSRange range = [parameter rangeValue];
+        QRect firstRect = iface->textInterface()->characterRect(range.location);
+        QRect rect;
+        if (range.length > 0) {
+            NSUInteger position = range.location + range.length - 1;
+            if (position > range.location && iface->textInterface()->text(position, position + 1) == QStringLiteral("\n"))
+                --position;
+            QRect lastRect = iface->textInterface()->characterRect(position);
+            rect = firstRect.united(lastRect);
+        } else {
+            rect = firstRect;
+            rect.setWidth(1);
+        }
+        return [NSValue valueWithRect: NSMakeRect((CGFloat) rect.x(),(CGFloat) qt_mac_flipYCoordinate(rect.y() + rect.height()), rect.width(), rect.height())];
+    }
+    if ([attribute isEqualToString: NSAccessibilityAttributedStringForRangeParameterizedAttribute]) {
+        NSRange range = [parameter rangeValue];
+        QString text = iface->textInterface()->text(range.location, range.location + range.length);
+        return [[NSAttributedString alloc] initWithString: text.toNSString()];
+    } else if ([attribute isEqualToString: NSAccessibilityRangeForPositionParameterizedAttribute]) {
+        NSPoint nsPoint = [parameter pointValue];
+        QPoint point(static_cast<int>(nsPoint.x), static_cast<int>(qt_mac_flipYCoordinate(nsPoint.y)));
+        int offset = iface->textInterface()->offsetAtPoint(point);
+        return [NSValue valueWithRange:NSMakeRange(static_cast<NSUInteger>(offset), 1)];
+    } else if ([attribute isEqualToString: NSAccessibilityStyleRangeForIndexParameterizedAttribute]) {
+        int start = 0;
+        int end = 0;
+        iface->textInterface()->attributes([parameter intValue], &start, &end);
+        return [NSValue valueWithRange:NSMakeRange(static_cast<NSUInteger>(start), static_cast<NSUInteger>(end - start))];
+    }
+    return nil;
+}
+
+- (BOOL)accessibilityIsAttributeSettable:(NSString *)attribute {
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+    if (!iface || !iface->isValid())
+        return NO;
+
+    if ([attribute isEqualToString:NSAccessibilityFocusedAttribute]) {
+        return iface->state().focusable ? YES : NO;
+    } else if ([attribute isEqualToString:NSAccessibilityValueAttribute]) {
+        if (iface->textInterface() && iface->state().editable)
+            return YES;
+        if (iface->valueInterface())
+            return YES;
+        return NO;
+    } else if ([attribute isEqualToString:NSAccessibilitySelectedTextRangeAttribute]) {
+        return iface->textInterface() ? YES : NO;
+    }
+    return NO;
+}
+
+- (void)accessibilitySetValue:(id)value forAttribute:(NSString *)attribute {
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+    if (!iface || !iface->isValid())
+        return;
+    if ([attribute isEqualToString:NSAccessibilityFocusedAttribute]) {
+        if (QAccessibleActionInterface *action = iface->actionInterface())
+            action->doAction(QAccessibleActionInterface::setFocusAction());
+    } else if ([attribute isEqualToString:NSAccessibilityValueAttribute]) {
+        if (iface->textInterface()) {
+            QString text = QString::fromNSString((NSString *)value);
+            iface->setText(QAccessible::Value, text);
+        } else if (QAccessibleValueInterface *valueIface = iface->valueInterface()) {
+            double val = [value doubleValue];
+            valueIface->setCurrentValue(val);
+        }
+    } else if ([attribute isEqualToString:NSAccessibilitySelectedTextRangeAttribute]) {
+        if (QAccessibleTextInterface *text = iface->textInterface()) {
+            NSRange range = [value rangeValue];
+            if (range.length > 0)
+                text->setSelection(0, range.location, range.location + range.length);
+            else
+                text->setCursorPosition(range.location);
+        }
+    }
+}
+
+// actions
+
+- (NSArray *)accessibilityActionNames {
+    NSMutableArray * nsActions = [NSMutableArray new];
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+    if (!iface || !iface->isValid())
+        return nsActions;
+
+    const QStringList &supportedActionNames = QAccessibleBridgeUtils::effectiveActionNames(iface);
+    foreach (const QString &qtAction, supportedActionNames) {
+        NSString *nsAction = QCocoaAccessible::getTranslatedAction(qtAction);
+        if (nsAction)
+            [nsActions addObject : nsAction];
+    }
+
+    return nsActions;
+}
+
+- (NSString *)accessibilityActionDescription:(NSString *)action {
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+    if (!iface || !iface->isValid())
+        return nil; // FIXME is that the right return type??
+    QString qtAction = QCocoaAccessible::translateAction(action, iface);
+    QString description;
+    // Return a description from the action interface if this action is not known to the OS.
+    if (qtAction.isEmpty()) {
+        if (QAccessibleActionInterface *actionInterface = iface->actionInterface()) {
+            qtAction = QString::fromNSString((NSString *)action);
+            description = actionInterface->localizedActionDescription(qtAction);
+        }
+    } else {
+        description = qAccessibleLocalizedActionDescription(qtAction);
+    }
+    return QCFString::toNSString(description);
+}
+
+- (void)accessibilityPerformAction:(NSString *)action {
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+    if (iface) {
+        const QString qtAction = QCocoaAccessible::translateAction(action, iface);
+        QAccessibleBridgeUtils::performEffectiveAction(iface, qtAction);
+    }
+}
+
+// misc
+
+- (BOOL)accessibilityIsIgnored {
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+    if (!iface || !iface->isValid())
+        return true;
+    return QCocoaAccessible::shouldBeIgnored(iface);
+}
+
+- (id)accessibilityHitTest:(NSPoint)point {
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+    if (!iface || !iface->isValid()) {
+//        qDebug() << "Hit test: INVALID";
+        return NSAccessibilityUnignoredAncestor(self);
+    }
+
+    int y = qt_mac_flipYCoordinate(point.y);
+    QAccessibleInterface *childInterface = iface->childAt(point.x, y);
+    // No child found, meaning we hit this element.
+    if (!childInterface)
+        return NSAccessibilityUnignoredAncestor(self);
+
+    // find the deepest child at the point
+    QAccessibleInterface *childOfChildInterface = 0;
+    do {
+        childOfChildInterface = childInterface->childAt(point.x, y);
+        if (childOfChildInterface)
+            childInterface = childOfChildInterface;
+    } while (childOfChildInterface);
+
+    QAccessible::Id childId = QAccessible::uniqueId(childInterface);
+    // hit a child, forward to child accessible interface.
+    QMacAccessibilityElement *accessibleElement = [QMacAccessibilityElement elementWithId:childId];
+    if (accessibleElement)
+        return NSAccessibilityUnignoredAncestor(accessibleElement);
+    return NSAccessibilityUnignoredAncestor(self);
+}
+
+- (id)accessibilityFocusedUIElement {
+    QAccessibleInterface *iface = QAccessible::accessibleInterface(axid);
+
+    if (!iface || !iface->isValid()) {
+        qWarning() << "FocusedUIElement for INVALID";
+        return nil;
+    }
+
+    QAccessibleInterface *childInterface = iface->focusChild();
+    if (childInterface) {
+        QAccessible::Id childAxid = QAccessible::uniqueId(childInterface);
+        QMacAccessibilityElement *accessibleElement = [QMacAccessibilityElement elementWithId:childAxid];
+        return NSAccessibilityUnignoredAncestor(accessibleElement);
+    }
+
+    return NSAccessibilityUnignoredAncestor(self);
+}
+
+@end
+
+#endif // QT_NO_ACCESSIBILITY