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
|
static bool isDecorator(PyObject* method, PyObject* self)
{
Shiboken::AutoDecRef methodName(PyObject_GetAttrString(method, "__name__"));
if (!PyObject_HasAttr(self, methodName))
return true;
Shiboken::AutoDecRef otherMethod(PyObject_GetAttr(self, methodName));
return reinterpret_cast<PyMethodObject*>(otherMethod.object())->im_func != \
reinterpret_cast<PyMethodObject*>(method)->im_func;
}
static bool getReceiver(PyObject* callback, QObject** receiver, PyObject** self)
{
bool forceGlobalReceiver = false;
if (PyMethod_Check(callback)) {
*self = PyMethod_GET_SELF(callback);
if (Shiboken::Converter<QObject*>::checkType(*self))
*receiver = Shiboken::Converter<QObject*>::toCpp(*self);
forceGlobalReceiver = isDecorator(callback, *self);
} else if (PyCFunction_Check(callback)) {
*self = PyCFunction_GET_SELF(callback);
if (*self && Shiboken::Converter<QObject*>::checkType(*self))
*receiver = Shiboken::Converter<QObject*>::toCpp(*self);
} else if (PyCallable_Check(callback)) {
// Ok, just a callable object
*receiver = 0;
*self = 0;
}
bool usingGlobalReceiver = !*receiver || forceGlobalReceiver;
if (usingGlobalReceiver) {
PySide::SignalManager& signalManager = PySide::SignalManager::instance();
*receiver = signalManager.globalReceiver();
}
return usingGlobalReceiver;
}
static bool qobjectConnect(QObject* source, const char* signal, QObject* receiver, const char* slot, Qt::ConnectionType type)
{
if (!signal || !slot)
return false;
if (!PySide::Signal::checkQtSignal(signal))
return false;
signal++;
if (!PySide::SignalManager::registerMetaMethod(source, signal, QMetaMethod::Signal))
return false;
bool isSignal = PySide::Signal::isQtSignal(slot);
slot++;
PySide::SignalManager::registerMetaMethod(receiver, slot, isSignal ? QMetaMethod::Signal : QMetaMethod::Slot);
return QObject::connect(source, signal - 1, receiver, slot - 1, type);
}
static bool qobjectConnectCallback(QObject* source, const char* signal, PyObject* callback, Qt::ConnectionType type)
{
if (!signal || !PySide::Signal::checkQtSignal(signal))
return false;
signal++;
int signalIndex = PySide::SignalManager::registerMetaMethodGetIndex(source, signal, QMetaMethod::Signal);
if (signalIndex == -1)
return false;
PySide::SignalManager& signalManager = PySide::SignalManager::instance();
// Extract receiver from callback
QObject* receiver = 0;
PyObject* self = 0;
bool usingGlobalReceiver = getReceiver(callback, &receiver, &self);
if (receiver == 0 && self == 0)
return false;
const QMetaObject* metaObject = receiver->metaObject();
const QByteArray callbackSig = PySide::Signal::getCallbackSignature(signal, receiver, callback, usingGlobalReceiver).toAscii();
const char* slot = callbackSig.constData();
int slotIndex = metaObject->indexOfSlot(slot);
if (slotIndex == -1) {
if (!usingGlobalReceiver && self && !Shiboken::Object::hasCppWrapper((SbkObject*)self)) {
qWarning() << "You can't add dynamic slots on an object originated from C++.";
return false;
}
if (usingGlobalReceiver)
slotIndex = signalManager.addGlobalSlotGetIndex(slot, callback);
else
slotIndex = PySide::SignalManager::registerMetaMethodGetIndex(receiver, slot, QMetaMethod::Slot);
if (slotIndex == -1)
return false;
}
if (QMetaObject::connect(source, signalIndex, receiver, slotIndex, type)) {
if (usingGlobalReceiver)
signalManager.globalReceiverConnectNotify(source, slotIndex);
#ifndef AVOID_PROTECTED_HACK
source->connectNotify(signal - 1);
#else
// Need to cast to QObjectWrapper* and call the public version of
// connectNotify when avoiding the protected hack.
reinterpret_cast<QObjectWrapper*>(source)->connectNotify(signal - 1);
#endif
return true;
}
return false;
}
static bool qobjectDisconnectCallback(QObject* source, const char* signal, PyObject* callback)
{
if (!PySide::Signal::checkQtSignal(signal))
return false;
PySide::SignalManager& signalManager = PySide::SignalManager::instance();
// Extract receiver from callback
QObject* receiver = 0;
PyObject* self = 0;
bool usingGlobalReceiver = getReceiver(callback, &receiver, &self);
if (receiver == 0 && self == 0)
return false;
const QMetaObject* metaObject = receiver->metaObject();
const QByteArray callbackSig = PySide::Signal::getCallbackSignature(signal, receiver, callback, usingGlobalReceiver).toAscii();
QByteArray qtSlotName(callbackSig);
qtSlotName = qtSlotName.prepend('1');
if (QObject::disconnect(source, signal, receiver, qtSlotName.constData())) {
if (usingGlobalReceiver) {
int slotIndex = metaObject->indexOfSlot(callbackSig.constData());
signalManager.globalReceiverDisconnectNotify(source, slotIndex);
#ifndef AVOID_PROTECTED_HACK
source->disconnectNotify(signal - 1);
#else
// Need to cast to QObjectWrapper* and call the public version of
// connectNotify when avoiding the protected hack.
reinterpret_cast<QObjectWrapper*>(source)->disconnectNotify(signal - 1);
#endif
}
return true;
}
return false;
}
|
