author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:19:32 +0300 | |
changeset 37 | 758a864f9613 |
parent 30 | 5dc02b23752f |
permissions | -rw-r--r-- |
0 | 1 |
/**************************************************************************** |
2 |
** |
|
18
2f34d5167611
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
3 |
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
0 | 4 |
** All rights reserved. |
5 |
** Contact: Nokia Corporation (qt-info@nokia.com) |
|
6 |
** |
|
7 |
** This file is part of the QtCore module of the Qt Toolkit. |
|
8 |
** |
|
9 |
** $QT_BEGIN_LICENSE:LGPL$ |
|
10 |
** No Commercial Usage |
|
11 |
** This file contains pre-release code and may not be distributed. |
|
12 |
** You may use this file in accordance with the terms and conditions |
|
13 |
** contained in the Technology Preview License Agreement accompanying |
|
14 |
** this package. |
|
15 |
** |
|
16 |
** GNU Lesser General Public License Usage |
|
17 |
** Alternatively, this file may be used under the terms of the GNU Lesser |
|
18 |
** General Public License version 2.1 as published by the Free Software |
|
19 |
** Foundation and appearing in the file LICENSE.LGPL included in the |
|
20 |
** packaging of this file. Please review the following information to |
|
21 |
** ensure the GNU Lesser General Public License version 2.1 requirements |
|
22 |
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
|
23 |
** |
|
24 |
** In addition, as a special exception, Nokia gives you certain additional |
|
25 |
** rights. These rights are described in the Nokia Qt LGPL Exception |
|
26 |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
|
27 |
** |
|
28 |
** If you have questions regarding the use of this file, please contact |
|
29 |
** Nokia at qt-info@nokia.com. |
|
30 |
** |
|
31 |
** |
|
32 |
** |
|
33 |
** |
|
34 |
** |
|
35 |
** |
|
36 |
** |
|
37 |
** |
|
38 |
** $QT_END_LICENSE$ |
|
39 |
** |
|
40 |
****************************************************************************/ |
|
41 |
||
42 |
#ifndef QOBJECT_P_H |
|
43 |
#define QOBJECT_P_H |
|
44 |
||
45 |
// |
|
46 |
// W A R N I N G |
|
47 |
// ------------- |
|
48 |
// |
|
49 |
// This file is not part of the Qt API. It exists for the convenience |
|
50 |
// of qapplication_*.cpp, qwidget*.cpp and qfiledialog.cpp. This header |
|
51 |
// file may change from version to version without notice, or even be removed. |
|
52 |
// |
|
53 |
// We mean it. |
|
54 |
// |
|
55 |
||
56 |
#include "QtCore/qobject.h" |
|
57 |
#include "QtCore/qpointer.h" |
|
58 |
#include "QtCore/qcoreevent.h" |
|
59 |
#include "QtCore/qlist.h" |
|
60 |
#include "QtCore/qvector.h" |
|
61 |
#include "QtCore/qreadwritelock.h" |
|
62 |
#include "QtCore/qvariant.h" |
|
63 |
||
64 |
QT_BEGIN_NAMESPACE |
|
65 |
||
66 |
class QVariant; |
|
67 |
class QThreadData; |
|
68 |
class QObjectConnectionListVector; |
|
69 |
namespace QtSharedPointer { struct ExternalRefCountData; } |
|
70 |
||
71 |
/* mirrored in QtTestLib, DON'T CHANGE without prior warning */ |
|
72 |
struct QSignalSpyCallbackSet |
|
73 |
{ |
|
74 |
typedef void (*BeginCallback)(QObject *caller, int method_index, void **argv); |
|
75 |
typedef void (*EndCallback)(QObject *caller, int method_index); |
|
76 |
BeginCallback signal_begin_callback, |
|
77 |
slot_begin_callback; |
|
78 |
EndCallback signal_end_callback, |
|
79 |
slot_end_callback; |
|
80 |
}; |
|
81 |
void Q_CORE_EXPORT qt_register_signal_spy_callbacks(const QSignalSpyCallbackSet &callback_set); |
|
82 |
||
83 |
extern QSignalSpyCallbackSet Q_CORE_EXPORT qt_signal_spy_callback_set; |
|
84 |
||
85 |
enum { QObjectPrivateVersion = QT_VERSION }; |
|
86 |
||
30
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
87 |
class Q_CORE_EXPORT QAbstractDeclarativeData |
0 | 88 |
{ |
89 |
public: |
|
30
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
90 |
static void (*destroyed)(QAbstractDeclarativeData *, QObject *); |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
91 |
static void (*parentChanged)(QAbstractDeclarativeData *, QObject *, QObject *); |
0 | 92 |
}; |
93 |
||
94 |
class Q_CORE_EXPORT QObjectPrivate : public QObjectData |
|
95 |
{ |
|
96 |
Q_DECLARE_PUBLIC(QObject) |
|
97 |
||
98 |
public: |
|
99 |
struct ExtraData |
|
100 |
{ |
|
30
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
101 |
ExtraData() {} |
0 | 102 |
#ifndef QT_NO_USERDATA |
103 |
QVector<QObjectUserData *> userData; |
|
104 |
#endif |
|
105 |
QList<QByteArray> propertyNames; |
|
106 |
QList<QVariant> propertyValues; |
|
107 |
}; |
|
108 |
||
109 |
struct Connection |
|
110 |
{ |
|
111 |
QObject *sender; |
|
112 |
QObject *receiver; |
|
113 |
int method; |
|
114 |
uint connectionType : 3; // 0 == auto, 1 == direct, 2 == queued, 4 == blocking |
|
115 |
QBasicAtomicPointer<int> argumentTypes; |
|
116 |
// The next pointer for the singly-linked ConnectionList |
|
117 |
Connection *nextConnectionList; |
|
118 |
//senders linked list |
|
119 |
Connection *next; |
|
120 |
Connection **prev; |
|
121 |
~Connection(); |
|
122 |
}; |
|
123 |
// ConnectionList is a singly-linked list |
|
124 |
struct ConnectionList { |
|
125 |
ConnectionList() : first(0), last(0) {} |
|
126 |
Connection *first; |
|
127 |
Connection *last; |
|
128 |
}; |
|
129 |
||
130 |
struct Sender |
|
131 |
{ |
|
132 |
QObject *sender; |
|
133 |
int signal; |
|
134 |
int ref; |
|
135 |
}; |
|
136 |
||
137 |
||
138 |
QObjectPrivate(int version = QObjectPrivateVersion); |
|
139 |
virtual ~QObjectPrivate(); |
|
140 |
void deleteChildren(); |
|
141 |
||
142 |
void setParent_helper(QObject *); |
|
143 |
void moveToThread_helper(); |
|
144 |
void setThreadData_helper(QThreadData *currentData, QThreadData *targetData); |
|
145 |
void _q_reregisterTimers(void *pointer); |
|
146 |
||
147 |
bool isSender(const QObject *receiver, const char *signal) const; |
|
148 |
QObjectList receiverList(const char *signal) const; |
|
149 |
QObjectList senderList() const; |
|
150 |
||
151 |
void addConnection(int signal, Connection *c); |
|
152 |
void cleanConnectionLists(); |
|
153 |
||
154 |
#ifdef QT3_SUPPORT |
|
155 |
void sendPendingChildInsertedEvents(); |
|
156 |
void removePendingChildInsertedEvents(QObject *child); |
|
157 |
#endif |
|
158 |
||
30
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
159 |
static inline Sender *setCurrentSender(QObject *receiver, |
0 | 160 |
Sender *sender); |
30
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
161 |
static inline void resetCurrentSender(QObject *receiver, |
0 | 162 |
Sender *currentSender, |
163 |
Sender *previousSender); |
|
164 |
static int *setDeleteWatch(QObjectPrivate *d, int *newWatch); |
|
165 |
static void resetDeleteWatch(QObjectPrivate *d, int *oldWatch, int deleteWatch); |
|
166 |
static void clearGuards(QObject *); |
|
167 |
||
168 |
static QObjectPrivate *get(QObject *o) { |
|
169 |
return o->d_func(); |
|
170 |
} |
|
171 |
||
172 |
int signalIndex(const char *signalName) const; |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
173 |
inline bool isSignalConnected(uint signalIdx) const; |
0 | 174 |
|
175 |
public: |
|
176 |
QString objectName; |
|
177 |
ExtraData *extraData; // extra data set by the user |
|
178 |
QThreadData *threadData; // id of the thread that owns the object |
|
179 |
||
180 |
QObjectConnectionListVector *connectionLists; |
|
181 |
||
182 |
Connection *senders; // linked list of connections connected to this object |
|
183 |
Sender *currentSender; // object currently activating the object |
|
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
184 |
mutable quint32 connectedSignals[2]; |
0 | 185 |
|
186 |
#ifdef QT3_SUPPORT |
|
187 |
QList<QObject *> pendingChildInsertedEvents; |
|
188 |
#else |
|
189 |
// preserve binary compatibility with code compiled without Qt 3 support |
|
30
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
190 |
// keeping the binary layout stable helps the Qt Creator debugger |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
191 |
void *unused; |
0 | 192 |
#endif |
193 |
||
194 |
QList<QPointer<QObject> > eventFilters; |
|
195 |
union { |
|
196 |
QObject *currentChildBeingDeleted; |
|
30
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
197 |
QAbstractDeclarativeData *declarativeData; //extra data used by the declarative module |
0 | 198 |
}; |
199 |
||
200 |
// these objects are all used to indicate that a QObject was deleted |
|
201 |
// plus QPointer, which keeps a separate list |
|
202 |
QAtomicPointer<QtSharedPointer::ExternalRefCountData> sharedRefcount; |
|
203 |
int *deleteWatch; |
|
204 |
}; |
|
205 |
||
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
206 |
|
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
207 |
/*! \internal |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
208 |
|
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
209 |
Returns true if the signal with index \a signal_index from object \a sender is connected. |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
210 |
Signals with indices above a certain range are always considered connected (see connectedSignals |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
211 |
in QObjectPrivate). If a signal spy is installed, all signals are considered connected. |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
212 |
|
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
213 |
\a signal_index must be the index returned by QObjectPrivate::signalIndex; |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
214 |
*/ |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
215 |
inline bool QObjectPrivate::isSignalConnected(uint signal_index) const |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
216 |
{ |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
217 |
return signal_index >= sizeof(connectedSignals) * 8 |
30
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
218 |
|| (connectedSignals[signal_index >> 5] & (1 << (signal_index & 0x1f)) |
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
219 |
|| qt_signal_spy_callback_set.signal_begin_callback |
30
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
220 |
|| qt_signal_spy_callback_set.signal_end_callback); |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
221 |
} |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
222 |
|
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
223 |
inline QObjectPrivate::Sender *QObjectPrivate::setCurrentSender(QObject *receiver, |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
224 |
Sender *sender) |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
225 |
{ |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
226 |
Sender *previousSender = receiver->d_func()->currentSender; |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
227 |
receiver->d_func()->currentSender = sender; |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
228 |
return previousSender; |
3
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
229 |
} |
41300fa6a67c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
230 |
|
30
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
231 |
inline void QObjectPrivate::resetCurrentSender(QObject *receiver, |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
232 |
Sender *currentSender, |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
233 |
Sender *previousSender) |
0 | 234 |
{ |
30
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
235 |
// ref is set to zero when this object is deleted during the metacall |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
236 |
if (currentSender->ref == 1) |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
237 |
receiver->d_func()->currentSender = previousSender; |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
238 |
// if we've recursed, we need to tell the caller about the objects deletion |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
239 |
if (previousSender) |
5dc02b23752f
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
18
diff
changeset
|
240 |
previousSender->ref = currentSender->ref; |
0 | 241 |
} |
242 |
||
243 |
||
244 |
Q_DECLARE_TYPEINFO(QObjectPrivate::Connection, Q_MOVABLE_TYPE); |
|
245 |
Q_DECLARE_TYPEINFO(QObjectPrivate::Sender, Q_MOVABLE_TYPE); |
|
246 |
||
247 |
class QSemaphore; |
|
248 |
class Q_CORE_EXPORT QMetaCallEvent : public QEvent |
|
249 |
{ |
|
250 |
public: |
|
251 |
QMetaCallEvent(int id, const QObject *sender, int signalId, |
|
252 |
int nargs = 0, int *types = 0, void **args = 0, QSemaphore *semaphore = 0); |
|
253 |
~QMetaCallEvent(); |
|
254 |
||
255 |
inline int id() const { return id_; } |
|
256 |
inline const QObject *sender() const { return sender_; } |
|
257 |
inline int signalId() const { return signalId_; } |
|
258 |
inline void **args() const { return args_; } |
|
259 |
||
260 |
virtual int placeMetaCall(QObject *object); |
|
261 |
||
262 |
private: |
|
263 |
int id_; |
|
264 |
const QObject *sender_; |
|
265 |
int signalId_; |
|
266 |
int nargs_; |
|
267 |
int *types_; |
|
268 |
void **args_; |
|
269 |
QSemaphore *semaphore_; |
|
270 |
}; |
|
271 |
||
272 |
class QBoolBlocker |
|
273 |
{ |
|
274 |
public: |
|
275 |
inline QBoolBlocker(bool &b, bool value=true):block(b), reset(b){block = value;} |
|
276 |
inline ~QBoolBlocker(){block = reset; } |
|
277 |
private: |
|
278 |
bool █ |
|
279 |
bool reset; |
|
280 |
}; |
|
281 |
||
282 |
void Q_CORE_EXPORT qDeleteInEventHandler(QObject *o); |
|
283 |
||
284 |
||
285 |
struct Q_CORE_EXPORT QAbstractDynamicMetaObject : public QMetaObject |
|
286 |
{ |
|
287 |
virtual ~QAbstractDynamicMetaObject() {} |
|
288 |
virtual int metaCall(QMetaObject::Call, int _id, void **) { return _id; } |
|
289 |
virtual int createProperty(const char *, const char *) { return -1; } |
|
290 |
}; |
|
291 |
||
292 |
QT_END_NAMESPACE |
|
293 |
||
294 |
#endif // QOBJECT_P_H |