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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
|
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QOBJECT_H
#define QOBJECT_H
#ifndef QT_NO_QOBJECT
#include <QtCore/qobjectdefs.h>
#include <QtCore/qstring.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qlist.h>
#ifdef QT_INCLUDE_COMPAT
#include <QtCore/qcoreevent.h>
#endif
#include <QtCore/qscopedpointer.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
class QEvent;
class QTimerEvent;
class QChildEvent;
struct QMetaObject;
class QVariant;
class QObjectPrivate;
class QObject;
class QThread;
class QWidget;
#ifndef QT_NO_REGEXP
class QRegExp;
#endif
#ifndef QT_NO_USERDATA
class QObjectUserData;
#endif
typedef QList<QObject*> QObjectList;
#if defined Q_CC_MSVC && _MSC_VER < 1300
template<typename T> inline T qFindChild(const QObject *o, const QString &name = QString(), T = 0);
template<typename T> inline QList<T> qFindChildren(const QObject *o, const QString &name = QString(), T = 0);
# ifndef QT_NO_REGEXP
template<typename T> inline QList<T> qFindChildren(const QObject *o, const QRegExp &re, T = 0);
# endif
#else
template<typename T> inline T qFindChild(const QObject *, const QString & = QString());
template<typename T> inline QList<T> qFindChildren(const QObject *, const QString & = QString());
# ifndef QT_NO_REGEXP
template<typename T> inline QList<T> qFindChildren(const QObject *, const QRegExp &);
# endif
#endif
class
#if defined(__INTEL_COMPILER) && defined(Q_OS_WIN)
Q_CORE_EXPORT
#endif
QObjectData {
public:
virtual ~QObjectData() = 0;
QObject *q_ptr;
QObject *parent;
QObjectList children;
uint isWidget : 1;
uint pendTimer : 1;
uint blockSig : 1;
uint wasDeleted : 1;
uint ownObjectName : 1;
uint sendChildEvents : 1;
uint receiveChildEvents : 1;
uint inEventHandler : 1;
uint inThreadChangeEvent : 1;
uint hasGuards : 1; //true iff there is one or more QPointer attached to this object
uint unused : 22;
int postedEvents;
QMetaObject *metaObject; // assert dynamic
};
class Q_CORE_EXPORT QObject
{
Q_OBJECT
Q_PROPERTY(QString objectName READ objectName WRITE setObjectName)
Q_DECLARE_PRIVATE(QObject)
public:
Q_INVOKABLE explicit QObject(QObject *parent=0);
virtual ~QObject();
virtual bool event(QEvent *);
virtual bool eventFilter(QObject *, QEvent *);
#ifdef qdoc
static QString tr(const char *sourceText, const char *comment = 0, int n = -1);
static QString trUtf8(const char *sourceText, const char *comment = 0, int n = -1);
virtual const QMetaObject *metaObject() const;
static const QMetaObject staticMetaObject;
#endif
#ifdef QT_NO_TRANSLATION
static QString tr(const char *sourceText, const char *, int)
{ return QString::fromLatin1(sourceText); }
static QString tr(const char *sourceText, const char * = 0)
{ return QString::fromLatin1(sourceText); }
#ifndef QT_NO_TEXTCODEC
static QString trUtf8(const char *sourceText, const char *, int)
{ return QString::fromUtf8(sourceText); }
static QString trUtf8(const char *sourceText, const char * = 0)
{ return QString::fromUtf8(sourceText); }
#endif
#endif //QT_NO_TRANSLATION
QString objectName() const;
void setObjectName(const QString &name);
inline bool isWidgetType() const { return d_ptr->isWidget; }
inline bool signalsBlocked() const { return d_ptr->blockSig; }
bool blockSignals(bool b);
QThread *thread() const;
void moveToThread(QThread *thread);
int startTimer(int interval);
void killTimer(int id);
#ifndef QT_NO_MEMBER_TEMPLATES
template<typename T>
inline T findChild(const QString &aName = QString()) const
{ return qFindChild<T>(this, aName); }
template<typename T>
inline QList<T> findChildren(const QString &aName = QString()) const
{ return qFindChildren<T>(this, aName); }
#ifndef QT_NO_REGEXP
template<typename T>
inline QList<T> findChildren(const QRegExp &re) const
{ return qFindChildren<T>(this, re); }
#endif
#endif
#ifdef QT3_SUPPORT
QT3_SUPPORT QObject *child(const char *objName, const char *inheritsClass = 0,
bool recursiveSearch = true) const;
QT3_SUPPORT QObjectList queryList(const char *inheritsClass = 0,
const char *objName = 0,
bool regexpMatch = true,
bool recursiveSearch = true) const;
#endif
inline const QObjectList &children() const { return d_ptr->children; }
void setParent(QObject *);
void installEventFilter(QObject *);
void removeEventFilter(QObject *);
static bool connect(const QObject *sender, const char *signal,
const QObject *receiver, const char *member, Qt::ConnectionType =
#ifdef qdoc
Qt::AutoConnection
#else
#ifdef QT3_SUPPORT
Qt::AutoCompatConnection
#else
Qt::AutoConnection
#endif
#endif
);
inline bool connect(const QObject *sender, const char *signal,
const char *member, Qt::ConnectionType type =
#ifdef qdoc
Qt::AutoConnection
#else
#ifdef QT3_SUPPORT
Qt::AutoCompatConnection
#else
Qt::AutoConnection
#endif
#endif
) const;
static bool disconnect(const QObject *sender, const char *signal,
const QObject *receiver, const char *member);
inline bool disconnect(const char *signal = 0,
const QObject *receiver = 0, const char *member = 0)
{ return disconnect(this, signal, receiver, member); }
inline bool disconnect(const QObject *receiver, const char *member = 0)
{ return disconnect(this, 0, receiver, member); }
void dumpObjectTree();
void dumpObjectInfo();
#ifndef QT_NO_PROPERTIES
bool setProperty(const char *name, const QVariant &value);
QVariant property(const char *name) const;
QList<QByteArray> dynamicPropertyNames() const;
#endif // QT_NO_PROPERTIES
#ifndef QT_NO_USERDATA
static uint registerUserData();
void setUserData(uint id, QObjectUserData* data);
QObjectUserData* userData(uint id) const;
#endif // QT_NO_USERDATA
Q_SIGNALS:
void destroyed(QObject * = 0);
public:
inline QObject *parent() const { return d_ptr->parent; }
inline bool inherits(const char *classname) const
{ return const_cast<QObject *>(this)->qt_metacast(classname) != 0; }
public Q_SLOTS:
void deleteLater();
protected:
QObject *sender() const;
int receivers(const char* signal) const;
virtual void timerEvent(QTimerEvent *);
virtual void childEvent(QChildEvent *);
virtual void customEvent(QEvent *);
virtual void connectNotify(const char *signal);
virtual void disconnectNotify(const char *signal);
#ifdef QT3_SUPPORT
public:
QT3_SUPPORT_CONSTRUCTOR QObject(QObject *parent, const char *name);
inline QT3_SUPPORT void insertChild(QObject *o)
{ if (o) o->setParent(this); }
inline QT3_SUPPORT void removeChild(QObject *o)
{ if (o) o->setParent(0); }
inline QT3_SUPPORT bool isA(const char *classname) const
{ return qstrcmp(classname, metaObject()->className()) == 0; }
inline QT3_SUPPORT const char *className() const { return metaObject()->className(); }
inline QT3_SUPPORT const char *name() const { return objectName().latin1_helper(); }
inline QT3_SUPPORT const char *name(const char *defaultName) const
{ QString s = objectName(); return s.isEmpty()?defaultName:s.latin1_helper(); }
inline QT3_SUPPORT void setName(const char *aName) { setObjectName(QLatin1String(aName)); }
protected:
inline QT3_SUPPORT bool checkConnectArgs(const char *signal,
const QObject *,
const char *member)
{ return QMetaObject::checkConnectArgs(signal, member); }
static inline QT3_SUPPORT QByteArray normalizeSignalSlot(const char *signalSlot)
{ return QMetaObject::normalizedSignature(signalSlot); }
#endif
protected:
QObject(QObjectPrivate &dd, QObject *parent = 0);
protected:
QScopedPointer<QObjectData> d_ptr;
static const QMetaObject staticQtMetaObject;
friend struct QMetaObject;
friend class QApplication;
friend class QApplicationPrivate;
friend class QCoreApplication;
friend class QCoreApplicationPrivate;
friend class QWidget;
friend class QThreadData;
private:
Q_DISABLE_COPY(QObject)
Q_PRIVATE_SLOT(d_func(), void _q_reregisterTimers(void *))
};
inline bool QObject::connect(const QObject *asender, const char *asignal,
const char *amember, Qt::ConnectionType atype) const
{ return connect(asender, asignal, this, amember, atype); }
#ifndef QT_NO_USERDATA
class Q_CORE_EXPORT QObjectUserData {
public:
virtual ~QObjectUserData();
};
#endif
Q_CORE_EXPORT void qt_qFindChildren_helper(const QObject *parent, const QString &name, const QRegExp *re,
const QMetaObject &mo, QList<void *> *list);
Q_CORE_EXPORT QObject *qt_qFindChild_helper(const QObject *parent, const QString &name, const QMetaObject &mo);
template<typename T>
inline T qFindChild(const QObject *o, const QString &name)
{ return static_cast<T>(qt_qFindChild_helper(o, name, reinterpret_cast<T>(0)->staticMetaObject)); }
template<typename T>
inline QList<T> qFindChildren(const QObject *o, const QString &name)
{
QList<T> list;
union {
QList<T> *typedList;
QList<void *> *voidList;
} u;
u.typedList = &list;
qt_qFindChildren_helper(o, name, 0, reinterpret_cast<T>(0)->staticMetaObject, u.voidList);
return list;
}
#ifndef QT_NO_REGEXP
template<typename T>
inline QList<T> qFindChildren(const QObject *o, const QRegExp &re)
{
QList<T> list;
union {
QList<T> *typedList;
QList<void *> *voidList;
} u;
u.typedList = &list;
qt_qFindChildren_helper(o, QString(), &re, reinterpret_cast<T>(0)->staticMetaObject, u.voidList);
return list;
}
#endif
template <class T>
inline T qobject_cast(QObject *object)
{
#if !defined(QT_NO_MEMBER_TEMPLATES) && !defined(QT_NO_QOBJECT_CHECK)
reinterpret_cast<T>(0)->qt_check_for_QOBJECT_macro(*reinterpret_cast<T>(object));
#endif
return static_cast<T>(reinterpret_cast<T>(0)->staticMetaObject.cast(object));
}
template <class T>
inline T qobject_cast(const QObject *object)
{
// this will cause a compilation error if T is not const
register T ptr = static_cast<T>(object);
Q_UNUSED(ptr);
#if !defined(QT_NO_MEMBER_TEMPLATES) && !defined(QT_NO_QOBJECT_CHECK)
reinterpret_cast<T>(0)->qt_check_for_QOBJECT_macro(*reinterpret_cast<T>(const_cast<QObject *>(object)));
#endif
return static_cast<T>(const_cast<QObject *>(reinterpret_cast<T>(0)->staticMetaObject.cast(const_cast<QObject *>(object))));
}
template <class T> inline const char * qobject_interface_iid()
{ return 0; }
#ifndef Q_MOC_RUN
# define Q_DECLARE_INTERFACE(IFace, IId) \
template <> inline const char *qobject_interface_iid<IFace *>() \
{ return IId; } \
template <> inline IFace *qobject_cast<IFace *>(QObject *object) \
{ return reinterpret_cast<IFace *>((object ? object->qt_metacast(IId) : 0)); } \
template <> inline IFace *qobject_cast<IFace *>(const QObject *object) \
{ return reinterpret_cast<IFace *>((object ? const_cast<QObject *>(object)->qt_metacast(IId) : 0)); }
#endif // Q_MOC_RUN
#ifndef QT_NO_DEBUG_STREAM
Q_CORE_EXPORT QDebug operator<<(QDebug, const QObject *);
#endif
QT_END_NAMESPACE
QT_END_HEADER
#endif
#endif // QOBJECT_H
|