source: trunk/src/corelib/kernel/qmetaobject.h@ 161

Last change on this file since 161 was 2, checked in by Dmitry A. Kuminov, 16 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.
File size: 8.5 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtCore module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you are unsure which license is appropriate for your use, please
37** contact the sales department at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QMETAOBJECT_H
43#define QMETAOBJECT_H
44
45#include <QtCore/qobjectdefs.h>
46#include <QtCore/qvariant.h>
47
48QT_BEGIN_HEADER
49
50QT_BEGIN_NAMESPACE
51
52QT_MODULE(Core)
53
54template <typename T> class QList;
55
56class Q_CORE_EXPORT QMetaMethod
57{
58public:
59 inline QMetaMethod() : mobj(0),handle(0) {}
60
61 const char *signature() const;
62 const char *typeName() const;
63 QList<QByteArray> parameterTypes() const;
64 QList<QByteArray> parameterNames() const;
65 const char *tag() const;
66 enum Access { Private, Protected, Public };
67 Access access() const;
68 enum MethodType { Method, Signal, Slot, Constructor };
69 MethodType methodType() const;
70 enum Attributes { Compatibility = 0x1, Cloned = 0x2, Scriptable = 0x4 };
71 int attributes() const;
72
73 inline const QMetaObject *enclosingMetaObject() const { return mobj; }
74
75 bool invoke(QObject *object,
76 Qt::ConnectionType connectionType,
77 QGenericReturnArgument returnValue,
78 QGenericArgument val0 = QGenericArgument(0),
79 QGenericArgument val1 = QGenericArgument(),
80 QGenericArgument val2 = QGenericArgument(),
81 QGenericArgument val3 = QGenericArgument(),
82 QGenericArgument val4 = QGenericArgument(),
83 QGenericArgument val5 = QGenericArgument(),
84 QGenericArgument val6 = QGenericArgument(),
85 QGenericArgument val7 = QGenericArgument(),
86 QGenericArgument val8 = QGenericArgument(),
87 QGenericArgument val9 = QGenericArgument()) const;
88 inline bool invoke(QObject *object,
89 QGenericReturnArgument returnValue,
90 QGenericArgument val0 = QGenericArgument(0),
91 QGenericArgument val1 = QGenericArgument(),
92 QGenericArgument val2 = QGenericArgument(),
93 QGenericArgument val3 = QGenericArgument(),
94 QGenericArgument val4 = QGenericArgument(),
95 QGenericArgument val5 = QGenericArgument(),
96 QGenericArgument val6 = QGenericArgument(),
97 QGenericArgument val7 = QGenericArgument(),
98 QGenericArgument val8 = QGenericArgument(),
99 QGenericArgument val9 = QGenericArgument()) const
100 {
101 return invoke(object, Qt::AutoConnection, returnValue,
102 val0, val1, val2, val3, val4, val5, val6, val7, val8, val9);
103 }
104 inline bool invoke(QObject *object,
105 Qt::ConnectionType connectionType,
106 QGenericArgument val0 = QGenericArgument(0),
107 QGenericArgument val1 = QGenericArgument(),
108 QGenericArgument val2 = QGenericArgument(),
109 QGenericArgument val3 = QGenericArgument(),
110 QGenericArgument val4 = QGenericArgument(),
111 QGenericArgument val5 = QGenericArgument(),
112 QGenericArgument val6 = QGenericArgument(),
113 QGenericArgument val7 = QGenericArgument(),
114 QGenericArgument val8 = QGenericArgument(),
115 QGenericArgument val9 = QGenericArgument()) const
116 {
117 return invoke(object, connectionType, QGenericReturnArgument(),
118 val0, val1, val2, val3, val4, val5, val6, val7, val8, val9);
119 }
120 inline bool invoke(QObject *object,
121 QGenericArgument val0 = QGenericArgument(0),
122 QGenericArgument val1 = QGenericArgument(),
123 QGenericArgument val2 = QGenericArgument(),
124 QGenericArgument val3 = QGenericArgument(),
125 QGenericArgument val4 = QGenericArgument(),
126 QGenericArgument val5 = QGenericArgument(),
127 QGenericArgument val6 = QGenericArgument(),
128 QGenericArgument val7 = QGenericArgument(),
129 QGenericArgument val8 = QGenericArgument(),
130 QGenericArgument val9 = QGenericArgument()) const
131 {
132 return invoke(object, Qt::AutoConnection, QGenericReturnArgument(),
133 val0, val1, val2, val3, val4, val5, val6, val7, val8, val9);
134 }
135
136private:
137 const QMetaObject *mobj;
138 uint handle;
139 friend struct QMetaObject;
140};
141Q_DECLARE_TYPEINFO(QMetaMethod, Q_MOVABLE_TYPE);
142
143class Q_CORE_EXPORT QMetaEnum
144{
145public:
146 inline QMetaEnum() : mobj(0),handle(0) {}
147
148 const char *name() const;
149 bool isFlag() const;
150
151 int keyCount() const;
152 const char *key(int index) const;
153 int value(int index) const;
154
155 const char *scope() const;
156
157 int keyToValue(const char *key) const;
158 const char* valueToKey(int value) const;
159 int keysToValue(const char * keys) const;
160 QByteArray valueToKeys(int value) const;
161
162 inline const QMetaObject *enclosingMetaObject() const { return mobj; }
163
164 inline bool isValid() const { return name() != 0; }
165private:
166 const QMetaObject *mobj;
167 uint handle;
168 friend struct QMetaObject;
169};
170Q_DECLARE_TYPEINFO(QMetaEnum, Q_MOVABLE_TYPE);
171
172class Q_CORE_EXPORT QMetaProperty
173{
174public:
175 QMetaProperty();
176
177 const char *name() const;
178 const char *typeName() const;
179 QVariant::Type type() const;
180 int userType() const;
181
182 bool isReadable() const;
183 bool isWritable() const;
184 bool isResettable() const;
185 bool isDesignable(const QObject *obj = 0) const;
186 bool isScriptable(const QObject *obj = 0) const;
187 bool isStored(const QObject *obj = 0) const;
188 bool isEditable(const QObject *obj = 0) const;
189 bool isUser(const QObject *obj = 0) const;
190
191 bool isFlagType() const;
192 bool isEnumType() const;
193 QMetaEnum enumerator() const;
194
195 bool hasNotifySignal() const;
196 QMetaMethod notifySignal() const;
197 int notifySignalIndex() const;
198
199 QVariant read(const QObject *obj) const;
200 bool write(QObject *obj, const QVariant &value) const;
201 bool reset(QObject *obj) const;
202
203 bool hasStdCppSet() const;
204 inline bool isValid() const { return isReadable(); }
205 inline const QMetaObject *enclosingMetaObject() const { return mobj; }
206
207private:
208 const QMetaObject *mobj;
209 uint handle;
210 int idx;
211 QMetaEnum menum;
212 friend struct QMetaObject;
213};
214
215class Q_CORE_EXPORT QMetaClassInfo
216{
217public:
218 inline QMetaClassInfo() : mobj(0),handle(0) {}
219 const char *name() const;
220 const char *value() const;
221 inline const QMetaObject *enclosingMetaObject() const { return mobj; }
222private:
223 const QMetaObject *mobj;
224 uint handle;
225 friend struct QMetaObject;
226};
227Q_DECLARE_TYPEINFO(QMetaClassInfo, Q_MOVABLE_TYPE);
228
229QT_END_NAMESPACE
230
231QT_END_HEADER
232
233#endif // QMETAOBJECT_H
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