1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtTest module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
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17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
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25 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
45 #include <QtCore/qbytearray.h>
46 #include <QtCore/qlist.h>
47 #include <QtCore/qobject.h>
48 #include <QtCore/qmetaobject.h>
49 #include <QtCore/qvariant.h>
58 class QSignalSpy: public QObject, public QList<QList<QVariant> >
61 QSignalSpy(QObject *obj, const char *aSignal)
64 const int memberOffset = QObject::staticMetaObject.methodCount();
66 static const int memberOffset = QObject::staticMetaObject.methodCount();
69 qWarning("QSignalSpy: Cannot spy on a null object");
74 qWarning("QSignalSpy: Null signal name is not valid");
78 if (((aSignal[0] - '0') & 0x03) != QSIGNAL_CODE) {
79 qWarning("QSignalSpy: Not a valid signal, use the SIGNAL macro");
83 QByteArray ba = QMetaObject::normalizedSignature(aSignal + 1);
84 const QMetaObject *mo = obj->metaObject();
85 int sigIndex = mo->indexOfMethod(ba.constData());
87 qWarning("QSignalSpy: No such signal: '%s'", ba.constData());
91 if (!QMetaObject::connect(obj, sigIndex, this, memberOffset,
92 Qt::DirectConnection, 0)) {
93 qWarning("QSignalSpy: QMetaObject::connect returned false. Unable to connect.");
97 initArgs(mo->method(sigIndex));
100 inline bool isValid() const { return !sig.isEmpty(); }
101 inline QByteArray signal() const { return sig; }
104 int qt_metacall(QMetaObject::Call call, int methodId, void **a)
106 methodId = QObject::qt_metacall(call, methodId, a);
110 if (call == QMetaObject::InvokeMetaMethod) {
120 void initArgs(const QMetaMethod &member)
122 QList<QByteArray> params = member.parameterTypes();
123 for (int i = 0; i < params.count(); ++i) {
124 int tp = QMetaType::type(params.at(i).constData());
125 if (tp == QMetaType::Void)
126 qWarning("Don't know how to handle '%s', use qRegisterMetaType to register it.",
127 params.at(i).constData());
132 void appendArgs(void **a)
134 QList<QVariant> list;
135 for (int i = 0; i < args.count(); ++i) {
136 QMetaType::Type type = static_cast<QMetaType::Type>(args.at(i));
137 list << QVariant(type, a[i + 1]);
142 // the full, normalized signal name
144 // holds the QMetaType types for the argument list of the signal