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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKVISUALTESTUTIL_H
#define QQUICKVISUALTESTUTIL_H
#include <functional>
#include <QtCore/QPointer>
#include <QtQuick/QQuickItem>
#include <QtQml/QQmlExpression>
#include <QtQuick/private/qquickitem_p.h>
#include <QtQuickControls2/qquickstyle.h>
#include <QtQuickTemplates2/private/qquickapplicationwindow_p.h>
#include "util.h"
namespace QQuickVisualTestUtil
{
QQuickItem *findVisibleChild(QQuickItem *parent, const QString &objectName);
void dumpTree(QQuickItem *parent, int depth = 0);
bool delegateVisible(QQuickItem *item);
void centerOnScreen(QQuickWindow *window);
void moveMouseAway(QQuickWindow *window);
/*
Find an item with the specified objectName. If index is supplied then the
item must also evaluate the {index} expression equal to index
*/
template<typename T>
T *findItem(QQuickItem *parent, const QString &objectName, int index = -1)
{
const QMetaObject &mo = T::staticMetaObject;
for (int i = 0; i < parent->childItems().count(); ++i) {
QQuickItem *item = qobject_cast<QQuickItem*>(parent->childItems().at(i));
if (!item)
continue;
if (mo.cast(item) && (objectName.isEmpty() || item->objectName() == objectName)) {
if (index != -1) {
QQmlExpression e(qmlContext(item), item, "index");
if (e.evaluate().toInt() == index)
return static_cast<T*>(item);
} else {
return static_cast<T*>(item);
}
}
item = findItem<T>(item, objectName, index);
if (item)
return static_cast<T*>(item);
}
return 0;
}
template<typename T>
QList<T*> findItems(QQuickItem *parent, const QString &objectName, bool visibleOnly = true)
{
QList<T*> items;
const QMetaObject &mo = T::staticMetaObject;
for (int i = 0; i < parent->childItems().count(); ++i) {
QQuickItem *item = qobject_cast<QQuickItem*>(parent->childItems().at(i));
if (!item || (visibleOnly && (!item->isVisible() || QQuickItemPrivate::get(item)->culled)))
continue;
if (mo.cast(item) && (objectName.isEmpty() || item->objectName() == objectName))
items.append(static_cast<T*>(item));
items += findItems<T>(item, objectName);
}
return items;
}
template<typename T>
QList<T*> findItems(QQuickItem *parent, const QString &objectName, const QList<int> &indexes)
{
QList<T*> items;
for (int i=0; i<indexes.count(); i++)
items << qobject_cast<QQuickItem*>(findItem<T>(parent, objectName, indexes[i]));
return items;
}
class QQuickApplicationHelper
{
public:
QQuickApplicationHelper(QQmlDataTest *testCase, const QString &testFilePath) :
component(&engine)
{
component.loadUrl(testCase->testFileUrl(testFilePath));
QObject *rootObject = component.create();
cleanup.reset(rootObject);
if (!rootObject) {
errorMessage = QString::fromUtf8("Failed to create window: %1").arg(component.errorString()).toUtf8();
return;
}
window = qobject_cast<QQuickWindow*>(rootObject);
appWindow = qobject_cast<QQuickApplicationWindow*>(rootObject);
if (!window) {
errorMessage = QString::fromUtf8("Root object %1 must be a QQuickWindow subclass").arg(QDebug::toString(window)).toUtf8();
return;
}
if (window->isVisible()) {
errorMessage = QString::fromUtf8("Expected window not to be visible, but it is").toUtf8();
return;
}
ready = true;
}
// Return a C-style string instead of QString because that's what QTest uses for error messages,
// so it saves code at the calling site.
inline const char *failureMessage() const
{
return errorMessage.constData();
}
QQmlEngine engine;
QQmlComponent component;
QScopedPointer<QObject> cleanup;
QQuickApplicationWindow *appWindow = nullptr;
QQuickWindow *window = nullptr;
bool ready = false;
// Store as a byte array so that we can return its raw data safely;
// using qPrintable() in failureMessage() will construct a throwaway QByteArray
// that is destroyed before the function returns.
QByteArray errorMessage;
};
struct QQuickStyleHelper
{
bool updateStyle(const QString &style)
{
// If it's not the first time a style has been set and the new style is not different, do nothing.
if (!currentStyle.isEmpty() && style == currentStyle)
return false;
engine.reset(new QQmlEngine);
currentStyle = style;
qmlClearTypeRegistrations();
QQuickStyle::setStyle(style);
QQmlComponent component(engine.data());
component.setData(QString("import QtQuick\nimport QtQuick.Controls\n Control { }").toUtf8(), QUrl());
return true;
}
QString currentStyle;
QScopedPointer<QQmlEngine> engine;
};
typedef std::function<void(const QString &/*relativePath*/, const QUrl &/*absoluteUrl*/)> ForEachCallback;
void forEachControl(QQmlEngine *engine, const QString &sourcePath, const QString &targetPath, const QStringList &skipList, ForEachCallback callback);
void addTestRowForEachControl(QQmlEngine *engine, const QString &sourcePath, const QString &targetPath, const QStringList &skipList = QStringList());
// Helper to simulate Alt itself and Alt+<key> events.
class MnemonicKeySimulator
{
Q_DISABLE_COPY(MnemonicKeySimulator)
public:
explicit MnemonicKeySimulator(QWindow *window);
void press(Qt::Key key);
void release(Qt::Key key);
void click(Qt::Key key);
private:
QPointer<QWindow> m_window;
Qt::KeyboardModifiers m_modifiers;
};
}
#define QQUICK_VERIFY_POLISH(item) \
QTRY_COMPARE(QQuickItemPrivate::get(item)->polishScheduled, false)
#endif // QQUICKVISUALTESTUTIL_H
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