1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation ([email protected])
**
** This file is part of the QtTest module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at [email protected].
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSIGNALSPY_H
#define QSIGNALSPY_H
#include <QtCore/qbytearray.h>
#include <QtCore/qlist.h>
#include <QtCore/qobject.h>
#include <QtCore/qmetaobject.h>
#include <QtCore/qvariant.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Test)
class QVariant;
/* ### Qt5: change the class to use regular BC mechanisms, such that we can
* implement things like suggested in task 160192. */
class QSignalSpy: public QObject, public QList<QList<QVariant> >
{
public:
QSignalSpy(QObject *obj, const char *aSignal)
{
#ifdef Q_CC_BOR
const int memberOffset = QObject::staticMetaObject.methodCount();
#else
static const int memberOffset = QObject::staticMetaObject.methodCount();
#endif
Q_ASSERT(obj);
Q_ASSERT(aSignal);
if (((aSignal[0] - '0') & 0x03) != QSIGNAL_CODE) {
tqWarning("QSignalSpy: Not a valid signal, use the SIGNAL macro");
return;
}
QByteArray ba = QMetaObject::normalizedSignature(aSignal + 1);
const QMetaObject *mo = obj->metaObject();
int sigIndex = mo->indexOfMethod(ba.constData());
if (sigIndex < 0) {
tqWarning("QSignalSpy: No such signal: '%s'", ba.constData());
return;
}
if (!QMetaObject::connect(obj, sigIndex, this, memberOffset,
Qt::DirectConnection, 0)) {
tqWarning("QSignalSpy: QMetaObject::connect returned false. Unable to connect.");
return;
}
sig = ba;
initArgs(mo->method(sigIndex));
}
inline bool isValid() const { return !sig.isEmpty(); }
inline QByteArray signal() const { return sig; }
int qt_metacall(QMetaObject::Call call, int methodId, void **a)
{
methodId = QObject::qt_metacall(call, methodId, a);
if (methodId < 0)
return methodId;
if (call == QMetaObject::InvokeMetaMethod) {
if (methodId == 0) {
appendArgs(a);
}
--methodId;
}
return methodId;
}
private:
void initArgs(const QMetaMethod &member)
{
QList<QByteArray> params = member.parameterTypes();
for (int i = 0; i < params.count(); ++i) {
int tp = QMetaType::type(params.at(i).constData());
if (tp == QMetaType::Void)
tqWarning("Don't know how to handle '%s', use qRegisterMetaType to register it.",
params.at(i).constData());
args << tp;
}
}
void appendArgs(void **a)
{
QList<QVariant> list;
for (int i = 0; i < args.count(); ++i) {
QMetaType::Type type = static_cast<QMetaType::Type>(args.at(i));
list << QVariant(type, a[i + 1]);
}
append(list);
}
// the full, normalized signal name
QByteArray sig;
// holds the QMetaType types for the argument list of the signal
QList<int> args;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
