mirror of
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292 lines
13 KiB
C++
292 lines
13 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtTest module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QTESTACCESSIBLE_H
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#define QTESTACCESSIBLE_H
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#if 0
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// inform syncqt
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#pragma qt_no_master_include
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#endif
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#include <QtCore/qglobal.h>
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#ifndef QT_NO_ACCESSIBILITY
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#define QVERIFY_EVENT(event) \
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QVERIFY(QTestAccessibility::verifyEvent(event))
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#include <QtCore/qlist.h>
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#include <QtCore/qdebug.h>
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#include <QtGui/qaccessible.h>
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#include <QtGui/qguiapplication.h>
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#include <QtTest/qtest_global.h>
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#include <QtTest/qtestsystem.h>
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QT_BEGIN_NAMESPACE
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class QObject;
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// Use pointers since we subclass QAccessibleEvent
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typedef QList<QAccessibleEvent*> EventList;
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bool operator==(const QAccessibleEvent &l, const QAccessibleEvent &r)
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{
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if (l.type() != r.type()) {
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// qDebug() << "QAccessibleEvent with wrong type: " << qAccessibleEventString(l.type()) << " and " << qAccessibleEventString(r.type());
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return false;
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}
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if (l.object() != r.object() ||
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l.child() != r.child()) {
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// qDebug() << "QAccessibleEvent for wrong object: " << l.object() << " and " << r.object() << " child: " << l.child() << " and " << r.child();
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return false;
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}
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if (l.type() == QAccessible::StateChanged) {
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return static_cast<const QAccessibleStateChangeEvent*>(&l)->changedStates()
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== static_cast<const QAccessibleStateChangeEvent*>(&r)->changedStates();
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} else if (l.type() == QAccessible::TextCaretMoved) {
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return static_cast<const QAccessibleTextCursorEvent*>(&l)->cursorPosition()
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== static_cast<const QAccessibleTextCursorEvent*>(&r)->cursorPosition();
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} else if (l.type() == QAccessible::TextSelectionChanged) {
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const QAccessibleTextSelectionEvent *le = static_cast<const QAccessibleTextSelectionEvent*>(&l);
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const QAccessibleTextSelectionEvent *re = static_cast<const QAccessibleTextSelectionEvent*>(&r);
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return le->cursorPosition() == re->cursorPosition() &&
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le->selectionStart() == re->selectionStart() &&
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le->selectionEnd() == re->selectionEnd();
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} else if (l.type() == QAccessible::TextInserted) {
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const QAccessibleTextInsertEvent *le = static_cast<const QAccessibleTextInsertEvent*>(&l);
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const QAccessibleTextInsertEvent *re = static_cast<const QAccessibleTextInsertEvent*>(&r);
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return le->cursorPosition() == re->cursorPosition() &&
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le->changePosition() == re->changePosition() &&
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le->textInserted() == re->textInserted();
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} else if (l.type() == QAccessible::TextRemoved) {
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const QAccessibleTextRemoveEvent *le = static_cast<const QAccessibleTextRemoveEvent*>(&l);
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const QAccessibleTextRemoveEvent *re = static_cast<const QAccessibleTextRemoveEvent*>(&r);
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return le->cursorPosition() == re->cursorPosition() &&
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le->changePosition() == re->changePosition() &&
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le->textRemoved() == re->textRemoved();
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} else if (l.type() == QAccessible::TextUpdated) {
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const QAccessibleTextUpdateEvent *le = static_cast<const QAccessibleTextUpdateEvent*>(&l);
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const QAccessibleTextUpdateEvent *re = static_cast<const QAccessibleTextUpdateEvent*>(&r);
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return le->cursorPosition() == re->cursorPosition() &&
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le->changePosition() == re->changePosition() &&
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le->textInserted() == re->textInserted() &&
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le->textRemoved() == re->textRemoved();
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} else if (l.type() == QAccessible::ValueChanged) {
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const QAccessibleValueChangeEvent *le = static_cast<const QAccessibleValueChangeEvent*>(&l);
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const QAccessibleValueChangeEvent *re = static_cast<const QAccessibleValueChangeEvent*>(&r);
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return le->value() == re->value();
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}
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return true;
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}
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class QTestAccessibility
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{
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public:
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static void initialize()
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{
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if (!instance()) {
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instance() = new QTestAccessibility;
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qAddPostRoutine(cleanup);
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}
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}
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static void cleanup()
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{
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delete instance();
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instance() = Q_NULLPTR;
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}
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static void clearEvents() { eventList().clear(); }
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static EventList events() { return eventList(); }
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static bool verifyEvent(QAccessibleEvent *ev)
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{
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for (int i = 0; eventList().isEmpty() && i < 5; ++i)
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QTest::qWait(50);
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if (eventList().isEmpty()) {
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qWarning("Timeout waiting for accessibility event.");
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return false;
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}
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const bool res = *eventList().first() == *ev;
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if (!res)
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qWarning("%s", qPrintable(msgAccessibilityEventListMismatch(eventList(), ev)));
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delete eventList().takeFirst();
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return res;
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}
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static bool containsEvent(QAccessibleEvent *event) {
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Q_FOREACH (const QAccessibleEvent *ev, eventList()) {
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if (*ev == *event)
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return true;
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}
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return false;
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}
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private:
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QTestAccessibility()
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{
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QAccessible::installUpdateHandler(updateHandler);
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QAccessible::installRootObjectHandler(rootObjectHandler);
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}
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~QTestAccessibility()
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{
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QAccessible::installUpdateHandler(Q_NULLPTR);
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QAccessible::installRootObjectHandler(Q_NULLPTR);
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}
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static void rootObjectHandler(QObject *object)
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{
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// qDebug("rootObjectHandler called %p", object);
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if (object) {
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QGuiApplication* app = qobject_cast<QGuiApplication*>(object);
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if ( !app )
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qWarning("root Object is not a QGuiApplication!");
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} else {
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qWarning("root Object called with 0 pointer");
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}
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}
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static void updateHandler(QAccessibleEvent *event)
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{
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eventList().append(copyEvent(event));
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}
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static QAccessibleEvent *copyEvent(QAccessibleEvent *event)
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{
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QAccessibleEvent *ev;
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if (event->type() == QAccessible::StateChanged) {
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if (event->object())
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ev = new QAccessibleStateChangeEvent(event->object(),
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static_cast<QAccessibleStateChangeEvent*>(event)->changedStates());
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else
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ev = new QAccessibleStateChangeEvent(event->accessibleInterface(),
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static_cast<QAccessibleStateChangeEvent*>(event)->changedStates());
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} else if (event->type() == QAccessible::TextCaretMoved) {
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if (event->object())
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ev = new QAccessibleTextCursorEvent(event->object(), static_cast<QAccessibleTextCursorEvent*>(event)->cursorPosition());
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else
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ev = new QAccessibleTextCursorEvent(event->accessibleInterface(), static_cast<QAccessibleTextCursorEvent*>(event)->cursorPosition());
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} else if (event->type() == QAccessible::TextSelectionChanged) {
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const QAccessibleTextSelectionEvent *original = static_cast<QAccessibleTextSelectionEvent*>(event);
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QAccessibleTextSelectionEvent *sel;
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if (event->object())
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sel = new QAccessibleTextSelectionEvent(event->object(), original->selectionStart(), original->selectionEnd());
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else
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sel = new QAccessibleTextSelectionEvent(event->accessibleInterface(), original->selectionStart(), original->selectionEnd());
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sel->setCursorPosition(original->cursorPosition());
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ev = sel;
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} else if (event->type() == QAccessible::TextInserted) {
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const QAccessibleTextInsertEvent *original = static_cast<QAccessibleTextInsertEvent*>(event);
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QAccessibleTextInsertEvent *ins;
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if (original->object())
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ins = new QAccessibleTextInsertEvent(event->object(), original->changePosition(), original->textInserted());
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else
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ins = new QAccessibleTextInsertEvent(event->accessibleInterface(), original->changePosition(), original->textInserted());
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ins->setCursorPosition(original->cursorPosition());
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ev = ins;
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} else if (event->type() == QAccessible::TextRemoved) {
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const QAccessibleTextRemoveEvent *original = static_cast<QAccessibleTextRemoveEvent*>(event);
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QAccessibleTextRemoveEvent *rem;
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if (event->object())
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rem = new QAccessibleTextRemoveEvent(event->object(), original->changePosition(), original->textRemoved());
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else
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rem = new QAccessibleTextRemoveEvent(event->accessibleInterface(), original->changePosition(), original->textRemoved());
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rem->setCursorPosition(original->cursorPosition());
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ev = rem;
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} else if (event->type() == QAccessible::TextUpdated) {
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const QAccessibleTextUpdateEvent *original = static_cast<QAccessibleTextUpdateEvent*>(event);
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QAccessibleTextUpdateEvent *upd;
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if (event->object())
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upd = new QAccessibleTextUpdateEvent(event->object(), original->changePosition(), original->textRemoved(), original->textInserted());
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else
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upd = new QAccessibleTextUpdateEvent(event->accessibleInterface(), original->changePosition(), original->textRemoved(), original->textInserted());
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upd->setCursorPosition(original->cursorPosition());
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ev = upd;
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} else if (event->type() == QAccessible::ValueChanged) {
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if (event->object())
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ev = new QAccessibleValueChangeEvent(event->object(), static_cast<QAccessibleValueChangeEvent*>(event)->value());
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else
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ev = new QAccessibleValueChangeEvent(event->accessibleInterface(), static_cast<QAccessibleValueChangeEvent*>(event)->value());
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} else if (event->type() == QAccessible::TableModelChanged) {
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QAccessibleTableModelChangeEvent *oldEvent = static_cast<QAccessibleTableModelChangeEvent*>(event);
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QAccessibleTableModelChangeEvent *newEvent;
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if (event->object())
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newEvent = new QAccessibleTableModelChangeEvent(event->object(), oldEvent->modelChangeType());
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else
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newEvent = new QAccessibleTableModelChangeEvent(event->accessibleInterface(), oldEvent->modelChangeType());
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newEvent->setFirstRow(oldEvent->firstRow());
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newEvent->setFirstColumn(oldEvent->firstColumn());
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newEvent->setLastRow(oldEvent->lastRow());
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newEvent->setLastColumn(oldEvent->lastColumn());
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ev = newEvent;
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} else {
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if (event->object())
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ev = new QAccessibleEvent(event->object(), event->type());
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else
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ev = new QAccessibleEvent(event->accessibleInterface(), event->type());
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}
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ev->setChild(event->child());
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return ev;
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}
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static EventList &eventList()
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{
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static EventList list;
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return list;
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}
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static QTestAccessibility *&instance()
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{
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static QTestAccessibility *ta = Q_NULLPTR;
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return ta;
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}
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private:
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static QString msgAccessibilityEventListMismatch(const EventList &haystack,
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const QAccessibleEvent *needle)
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{
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QString rc;
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QDebug str = QDebug(&rc).nospace();
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str << "Event " << *needle
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<< " not found at head of event list of size " << haystack.size() << " :";
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Q_FOREACH (const QAccessibleEvent *e, haystack)
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str << ' ' << *e;
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return rc;
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}
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};
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QT_END_NAMESPACE
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#endif // QT_NO_ACCESSIBILITY
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#endif // QTESTACCESSIBLE_H
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