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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "pysidesignal_p.h"
#include "pysideslot_p.h"
#include "pysidestaticstrings.h"
#include <shiboken.h>
#include <QtCore/QMetaObject>
#include <QtCore/QString>
#include <signature.h>
using namespace Shiboken;
struct SlotData
{
QByteArray name;
QByteArray args;
QByteArray resultType;
QByteArray tag; // QMetaMethod::tag()
};
struct PySideSlot
{
PyObject_HEAD
SlotData *slotData;
};
extern "C"
{
static void slotDataListDestructor(PyObject *o)
{
delete PySide::Slot::dataListFromCapsule(o);
}
static int slotTpInit(PyObject *, PyObject *, PyObject *);
static PyObject *slotCall(PyObject *, PyObject *, PyObject *);
// Class Definition -----------------------------------------------
static PyTypeObject *createSlotType()
{
PyType_Slot PySideSlotType_slots[] = {
{Py_tp_call, reinterpret_cast<void *>(slotCall)},
{Py_tp_init, reinterpret_cast<void *>(slotTpInit)},
{Py_tp_new, reinterpret_cast<void *>(PyType_GenericNew)},
{Py_tp_dealloc, reinterpret_cast<void *>(Sbk_object_dealloc)},
{0, nullptr}
};
PyType_Spec PySideSlotType_spec = {
"2:PySide6.QtCore.Slot",
sizeof(PySideSlot),
0,
Py_TPFLAGS_DEFAULT,
PySideSlotType_slots,
};
return SbkType_FromSpec(&PySideSlotType_spec);
}
static PyTypeObject *PySideSlot_TypeF()
{
static auto *type = createSlotType();
return type;
}
int slotTpInit(PyObject *self, PyObject *args, PyObject *kw)
{
static PyObject *emptyTuple = nullptr;
static const char *kwlist[] = {"name", "result", "tag", nullptr};
char *argName = nullptr;
PyObject *argResult = nullptr;
char *tag = nullptr;
if (emptyTuple == nullptr)
emptyTuple = PyTuple_New(0);
if (!PyArg_ParseTupleAndKeywords(emptyTuple, kw, "|sOs:QtCore.Slot",
const_cast<char **>(kwlist),
&argName, &argResult, &tag)) {
return -1;
}
PySideSlot *data = reinterpret_cast<PySideSlot *>(self);
if (!data->slotData)
data->slotData = new SlotData;
for(Py_ssize_t i = 0, i_max = PyTuple_Size(args); i < i_max; i++) {
PyObject *argType = PyTuple_GET_ITEM(args, i);
const auto typeName = PySide::Signal::getTypeName(argType);
if (typeName.isEmpty()) {
PyErr_Format(PyExc_TypeError, "Unknown signal argument type: %s", Py_TYPE(argType)->tp_name);
return -1;
}
if (!data->slotData->args.isEmpty())
data->slotData->args += ',';
data->slotData->args += typeName;
}
if (argName)
data->slotData->name = argName;
if (tag)
data->slotData->tag = tag;
data->slotData->resultType = argResult
? PySide::Signal::getTypeName(argResult) : PySide::Signal::voidType();
return 0;
}
PyObject *slotCall(PyObject *self, PyObject *args, PyObject * /* kw */)
{
PyObject *callback = nullptr;
if (!PyArg_UnpackTuple(args, "Slot.__call__", 1, 1, &callback))
return nullptr;
Py_INCREF(callback);
if (PyCallable_Check(callback)) {
PySideSlot *data = reinterpret_cast<PySideSlot *>(self);
if (!data->slotData)
data->slotData = new SlotData;
if (data->slotData->name.isEmpty()) {
// PYSIDE-198: Use PyObject_GetAttr instead of PepFunction_GetName to support Nuitka.
AutoDecRef funcName(PyObject_GetAttr(callback, PyMagicName::name()));
data->slotData->name = funcName.isNull() ? "<no name>" : String::toCString(funcName);
}
const QByteArray returnType = QMetaObject::normalizedType(data->slotData->resultType);
const QByteArray signature = data->slotData->name + '(' + data->slotData->args + ')';
PyObject *pySlotName = PySide::PySideMagicName::slot_list_attr();
PySide::Slot::DataList *entryList = nullptr;
if (PyObject_HasAttr(callback, pySlotName)) {
auto *capsule = PyObject_GetAttr(callback, pySlotName);
entryList = PySide::Slot::dataListFromCapsule(capsule);
} else {
entryList = new PySide::Slot::DataList{};
auto *capsule = PyCapsule_New(entryList, nullptr /* name */, slotDataListDestructor);
Py_INCREF(capsule);
PyObject_SetAttr(callback, pySlotName, capsule);
}
entryList->append({signature, returnType, data->slotData->tag});
//clear data
delete data->slotData;
data->slotData = nullptr;
}
return callback;
}
} // extern "C"
namespace PySide::Slot {
DataList *dataListFromCapsule(PyObject *capsule)
{
if (capsule != nullptr && PyCapsule_CheckExact(capsule) != 0) {
if (void *v = PyCapsule_GetPointer(capsule, nullptr))
return reinterpret_cast<DataList *>(v);
}
return nullptr;
}
static const char *Slot_SignatureStrings[] = {
"PySide6.QtCore.Slot(self,*types:type,name:str=nullptr,result:type=nullptr)",
"PySide6.QtCore.Slot.__call__(self,function:typing.Callable)->typing.Any",
nullptr}; // Sentinel
void init(PyObject *module)
{
if (InitSignatureStrings(PySideSlot_TypeF(), Slot_SignatureStrings) < 0)
return;
Py_INCREF(PySideSlot_TypeF());
PyModule_AddObject(module, "Slot", reinterpret_cast<PyObject *>(PySideSlot_TypeF()));
}
} // namespace PySide::Slot
|
