diff options
Diffstat (limited to 'sources/pyside2/PySide2/glue/qtcore.cpp')
| -rw-r--r-- | sources/pyside2/PySide2/glue/qtcore.cpp | 478 |
1 files changed, 466 insertions, 12 deletions
diff --git a/sources/pyside2/PySide2/glue/qtcore.cpp b/sources/pyside2/PySide2/glue/qtcore.cpp index 73b9476d1..47895bdda 100644 --- a/sources/pyside2/PySide2/glue/qtcore.cpp +++ b/sources/pyside2/PySide2/glue/qtcore.cpp @@ -75,7 +75,7 @@ static const char *QVariant_resolveMetaType(PyTypeObject *type, int *typeId) } // Do not resolve types to value type if (valueType) - return 0; + return nullptr; // Find in base types. First check tp_bases, and only after check tp_base, because // tp_base does not always point to the first base class, but rather to the first // that has added any python fields or slots to its object layout. @@ -93,7 +93,7 @@ static const char *QVariant_resolveMetaType(PyTypeObject *type, int *typeId) } } *typeId = 0; - return 0; + return nullptr; } static QVariant QVariant_convertToValueList(PyObject *list) { @@ -224,8 +224,8 @@ static QStack<PyObject*> globalPostRoutineFunctions; void globalPostRoutineCallback() { Shiboken::GilState state; - foreach (PyObject *callback, globalPostRoutineFunctions) { - Shiboken::AutoDecRef result(PyObject_CallObject(callback, NULL)); + for (auto *callback : globalPostRoutineFunctions) { + Shiboken::AutoDecRef result(PyObject_CallObject(callback, nullptr)); Py_DECREF(callback); } globalPostRoutineFunctions.clear(); @@ -259,6 +259,197 @@ PyModule_AddObject(module, "__version_info__", pyQtVersion); PyModule_AddStringConstant(module, "__version__", qVersion()); // @snippet qt-version +// @snippet qobject-connect +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 PyMethod_GET_FUNCTION(otherMethod.object()) != PyMethod_GET_FUNCTION(method); +} + +static bool getReceiver(QObject *source, const char* signal, PyObject* callback, QObject** receiver, PyObject** self, QByteArray* callbackSig) +{ + bool forceGlobalReceiver = false; + if (PyMethod_Check(callback)) { + *self = PyMethod_GET_SELF(callback); + if (%CHECKTYPE[QObject*](*self)) + *receiver = %CONVERTTOCPP[QObject*](*self); + forceGlobalReceiver = isDecorator(callback, *self); + } else if (PyCFunction_Check(callback)) { + *self = PyCFunction_GET_SELF(callback); + if (*self && %CHECKTYPE[QObject*](*self)) + *receiver = %CONVERTTOCPP[QObject*](*self); + } else if (PyCallable_Check(callback)) { + // Ok, just a callable object + *receiver = nullptr; + *self = nullptr; + } + + bool usingGlobalReceiver = !*receiver || forceGlobalReceiver; + + // Check if this callback is a overwrite of a non-virtual Qt slot. + if (!usingGlobalReceiver && receiver && self) { + *callbackSig = PySide::Signal::getCallbackSignature(signal, *receiver, callback, usingGlobalReceiver).toLatin1(); + const QMetaObject* metaObject = (*receiver)->metaObject(); + int slotIndex = metaObject->indexOfSlot(callbackSig->constData()); + if (slotIndex != -1 && slotIndex < metaObject->methodOffset() && PyMethod_Check(callback)) + usingGlobalReceiver = true; + } + + if (usingGlobalReceiver) { + PySide::SignalManager& signalManager = PySide::SignalManager::instance(); + *receiver = signalManager.globalReceiver(source, callback); + *callbackSig = PySide::Signal::getCallbackSignature(signal, *receiver, callback, usingGlobalReceiver).toLatin1(); + } + + 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); + bool connection; + Py_BEGIN_ALLOW_THREADS + connection = QObject::connect(source, signal - 1, receiver, slot - 1, type); + Py_END_ALLOW_THREADS + return connection; +} + +static bool qobjectConnect(QObject* source, QMetaMethod signal, QObject* receiver, QMetaMethod slot, Qt::ConnectionType type) +{ + return qobjectConnect(source, signal.methodSignature(), receiver, slot.methodSignature(), 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 = nullptr; + PyObject* self = nullptr; + QByteArray callbackSig; + bool usingGlobalReceiver = getReceiver(source, signal, callback, &receiver, &self, &callbackSig); + if (receiver == nullptr && self == nullptr) + return false; + + const QMetaObject* metaObject = receiver->metaObject(); + const char* slot = callbackSig.constData(); + int slotIndex = metaObject->indexOfSlot(slot); + QMetaMethod signalMethod = metaObject->method(signalIndex); + + if (slotIndex == -1) { + if (!usingGlobalReceiver && self && !Shiboken::Object::hasCppWrapper((SbkObject*)self)) { + qWarning("You can't add dynamic slots on an object originated from C++."); + if (usingGlobalReceiver) + signalManager.releaseGlobalReceiver(source, receiver); + + return false; + } + + if (usingGlobalReceiver) + slotIndex = signalManager.globalReceiverSlotIndex(receiver, slot); + else + slotIndex = PySide::SignalManager::registerMetaMethodGetIndex(receiver, slot, QMetaMethod::Slot); + + if (slotIndex == -1) { + if (usingGlobalReceiver) + signalManager.releaseGlobalReceiver(source, receiver); + + return false; + } + } + bool connection; + Py_BEGIN_ALLOW_THREADS + connection = QMetaObject::connect(source, signalIndex, receiver, slotIndex, type); + Py_END_ALLOW_THREADS + if (connection) { + if (usingGlobalReceiver) + signalManager.notifyGlobalReceiver(receiver); + #ifndef AVOID_PROTECTED_HACK + source->connectNotify(signalMethod); //Qt5: QMetaMethod instead of char* + #else + // Need to cast to QObjectWrapper* and call the public version of + // connectNotify when avoiding the protected hack. + reinterpret_cast<QObjectWrapper*>(source)->connectNotify(signalMethod); //Qt5: QMetaMethod instead of char* + #endif + + return connection; + } + + if (usingGlobalReceiver) + signalManager.releaseGlobalReceiver(source, receiver); + + 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 = nullptr; + PyObject* self = nullptr; + QByteArray callbackSig; + QMetaMethod slotMethod; + bool usingGlobalReceiver = getReceiver(nullptr, signal, callback, &receiver, &self, &callbackSig); + if (receiver == nullptr && self == nullptr) + return false; + + const QMetaObject* metaObject = receiver->metaObject(); + int signalIndex = source->metaObject()->indexOfSignal(++signal); + int slotIndex = -1; + + slotIndex = metaObject->indexOfSlot(callbackSig); + slotMethod = metaObject->method(slotIndex); + + bool disconnected; + Py_BEGIN_ALLOW_THREADS + disconnected = QMetaObject::disconnectOne(source, signalIndex, receiver, slotIndex); + Py_END_ALLOW_THREADS + + if (disconnected) { + if (usingGlobalReceiver) + signalManager.releaseGlobalReceiver(source, receiver); + + #ifndef AVOID_PROTECTED_HACK + source->disconnectNotify(slotMethod); //Qt5: QMetaMethod instead of char* + #else + // Need to cast to QObjectWrapper* and call the public version of + // connectNotify when avoiding the protected hack. + reinterpret_cast<QObjectWrapper*>(source)->disconnectNotify(slotMethod); //Qt5: QMetaMethod instead of char* + #endif + return true; + } + return false; +} +// @snippet qobject-connect + // @snippet qobject-connect-1 // %FUNCTION_NAME() - disable generation of function call. bool %0 = qobjectConnect(%1, %2, %CPPSELF, %3, %4); @@ -514,10 +705,51 @@ qRegisterMetaType<QVector<int> >("QVector<int>"); %PYARG_0 = %CONVERTTOPYTHON[%RETURN_TYPE](%0); // @snippet qobject-metaobject -// @snippet qobject-findchild +// @snippet qobject-findchild-1 +static QObject* _findChildHelper(const QObject* parent, const QString& name, PyTypeObject* desiredType) +{ + for (auto *child : parent->children()) { + Shiboken::AutoDecRef pyChild(%CONVERTTOPYTHON[QObject*](child)); + if (PyType_IsSubtype(Py_TYPE(pyChild), desiredType) + && (name.isNull() || name == child->objectName())) { + return child; + } + } + + for (auto *child : parent->children()) { + QObject *obj = _findChildHelper(child, name, desiredType); + if (obj) + return obj; + } + return nullptr; +} + +static inline bool _findChildrenComparator(const QObject*& child, const QRegExp& name) +{ + return name.indexIn(child->objectName()) != -1; +} + +static inline bool _findChildrenComparator(const QObject*& child, const QString& name) +{ + return name.isNull() || name == child->objectName(); +} + +template<typename T> +static void _findChildrenHelper(const QObject* parent, const T& name, PyTypeObject* desiredType, PyObject* result) +{ + for (const auto *child : parent->children()) { + Shiboken::AutoDecRef pyChild(%CONVERTTOPYTHON[QObject*](child)); + if (PyType_IsSubtype(Py_TYPE(pyChild), desiredType) && _findChildrenComparator(child, name)) + PyList_Append(result, pyChild); + _findChildrenHelper(child, name, desiredType, result); + } +} +// @snippet qobject-findchild-1 + +// @snippet qobject-findchild-2 QObject *child = _findChildHelper(%CPPSELF, %2, (PyTypeObject*)%PYARG_1); %PYARG_0 = %CONVERTTOPYTHON[QObject*](child); -// @snippet qobject-findchild +// @snippet qobject-findchild-2 // @snippet qobject-findchildren-1 %PYARG_0 = PyList_New(0); @@ -560,6 +792,214 @@ if (ret > 0 && ((strcmp(%1, SIGNAL(destroyed())) == 0) || (strcmp(%1, SIGNAL(des %PYARG_0 = %CONVERTTOPYTHON[QString](%1); // @snippet qregexp-replace +// @snippet qbytearray-mgetitem +if (PyIndex_Check(_key)) { + Py_ssize_t _i; + _i = PyNumber_AsSsize_t(_key, PyExc_IndexError); + if (_i < 0 || _i >= %CPPSELF.size()) { + PyErr_SetString(PyExc_IndexError, "index out of bounds"); + return 0; + } else { + char res[2]; + res[0] = %CPPSELF.at(_i); + res[1] = 0; + return PyBytes_FromStringAndSize(res, 1); + } +} else if (PySlice_Check(_key)) { + Py_ssize_t start, stop, step, slicelength, cur; + +#ifdef IS_PY3K + PyObject *key = _key; +#else + PySliceObject *key = reinterpret_cast<PySliceObject *>(_key); +#endif + if (PySlice_GetIndicesEx(key, %CPPSELF.count(), &start, &stop, &step, &slicelength) < 0) { + return nullptr; + } + + QByteArray ba; + if (slicelength <= 0) { + return %CONVERTTOPYTHON[QByteArray](ba); + } else if (step == 1) { + Py_ssize_t max = %CPPSELF.count(); + start = qBound(Py_ssize_t(0), start, max); + stop = qBound(Py_ssize_t(0), stop, max); + QByteArray ba; + if (start < stop) + ba = %CPPSELF.mid(start, stop - start); + return %CONVERTTOPYTHON[QByteArray](ba); + } else { + QByteArray ba; + for (cur = start; slicelength > 0; cur += static_cast<size_t>(step), slicelength--) { + ba.append(%CPPSELF.at(cur)); + } + return %CONVERTTOPYTHON[QByteArray](ba); + } +} else { + PyErr_Format(PyExc_TypeError, + "list indices must be integers or slices, not %.200s", + Py_TYPE(_key)->tp_name); + return nullptr; +} +// @snippet qbytearray-mgetitem + +// @snippet qbytearray-msetitem +if (PyIndex_Check(_key)) { + Py_ssize_t _i = PyNumber_AsSsize_t(_key, PyExc_IndexError); + if (_i == -1 && PyErr_Occurred()) + return -1; + + if (_i < 0) + _i += %CPPSELF.count(); + + if (_i < 0 || _i >= %CPPSELF.size()) { + PyErr_SetString(PyExc_IndexError, "QByteArray index out of range"); + return -1; + } + + // Provide more specific error message for bytes/str, bytearray, QByteArray respectively +#ifdef IS_PY3K + if (PyBytes_Check(_value)) { + if (Py_SIZE(_value) != 1) { + PyErr_SetString(PyExc_ValueError, "bytes must be of size 1"); +#else + if (PyString_CheckExact(_value)) { + if (Py_SIZE(_value) != 1) { + PyErr_SetString(PyExc_ValueError, "str must be of size 1"); +#endif + return -1; + } + } else if (PyByteArray_Check(_value)) { + if (Py_SIZE(_value) != 1) { + PyErr_SetString(PyExc_ValueError, "bytearray must be of size 1"); + return -1; + } + } else if (reinterpret_cast<PyTypeObject *>(Py_TYPE(_value)) == reinterpret_cast<PyTypeObject *>(SbkPySide2_QtCoreTypes[SBK_QBYTEARRAY_IDX])) { + if (PyObject_Length(_value) != 1) { + PyErr_SetString(PyExc_ValueError, "QByteArray must be of size 1"); + return -1; + } + } else { +#ifdef IS_PY3K + PyErr_SetString(PyExc_ValueError, "a bytes, bytearray, QByteArray of size 1 is required"); +#else + PyErr_SetString(PyExc_ValueError, "a str, bytearray, QByteArray of size 1 is required"); +#endif + return -1; + } + + // Not support int or long. + %CPPSELF.remove(_i, 1); + PyObject *args = Py_BuildValue("(nO)", _i, _value); + PyObject *result = Sbk_QByteArrayFunc_insert(self, args); + Py_DECREF(args); + Py_XDECREF(result); + return !result ? -1 : 0; +} else if (PySlice_Check(_key)) { + Py_ssize_t start, stop, step, slicelength, value_length; + +#ifdef IS_PY3K + PyObject *key = _key; +#else + PySliceObject *key = reinterpret_cast<PySliceObject *>(_key); +#endif + if (PySlice_GetIndicesEx(key, %CPPSELF.count(), &start, &stop, &step, &slicelength) < 0) { + return -1; + } + // The parameter candidates are: bytes/str, bytearray, QByteArray itself. + // Not support iterable which contains ints between 0~255 + + // case 1: value is nullpre, means delete the items within the range + // case 2: step is 1, means shrink or expanse + // case 3: step is not 1, then the number of slots have to equal the number of items in _value + QByteArray ba; + if (_value == nullptr || _value == Py_None) { + ba = QByteArray(); + value_length = 0; + } else if (!(PyBytes_Check(_value) || PyByteArray_Check(_value) || reinterpret_cast<PyTypeObject *>(Py_TYPE(_value)) == reinterpret_cast<PyTypeObject *>(SbkPySide2_QtCoreTypes[SBK_QBYTEARRAY_IDX]))) { + PyErr_Format(PyExc_TypeError, "bytes, bytearray or QByteArray is required, not %.200s", Py_TYPE(_value)->tp_name); + return -1; + } else { + value_length = PyObject_Length(_value); + } + + if (step != 1 && value_length != slicelength) { + PyErr_Format(PyExc_ValueError, "attempt to assign %s of size %d to extended slice of size %d",Py_TYPE(_value)->tp_name, value_length, slicelength); + return -1; + } + + if (step != 1) { + int i = start; + for (int j = 0; j < slicelength; j++) { + PyObject *item = PyObject_GetItem(_value, PyLong_FromLong(j)); + QByteArray temp; +#ifdef IS_PY3K + if (PyLong_Check(item)) { +#else + if (PyLong_Check(item) || PyInt_Check(item)) { +#endif + int overflow; + long ival = PyLong_AsLongAndOverflow(item, &overflow); + // Not suppose to bigger than 255 because only bytes, bytearray, QByteArray were accept + const char *el = reinterpret_cast<const char*>(&ival); + temp = QByteArray(el); + } else { + temp = %CONVERTTOCPP[QByteArray](item); + } + + %CPPSELF.replace(i, 1, temp); + i += step; + } + return 0; + } else { + ba = %CONVERTTOCPP[QByteArray](_value); + %CPPSELF.replace(start, slicelength, ba); + return 0; + } +} else { + PyErr_Format(PyExc_TypeError, "QBytearray indices must be integers or slices, not %.200s", + Py_TYPE(_key)->tp_name); + return -1; +} +// @snippet qbytearray-msetitem + +// @snippet qbytearray-bufferprotocol +#if PY_VERSION_HEX < 0x03000000 + +// QByteArray buffer protocol functions +// see: http://www.python.org/dev/peps/pep-3118/ + +extern "C" { + +static Py_ssize_t SbkQByteArray_segcountproc(PyObject* self, Py_ssize_t* lenp) +{ + if (lenp) + *lenp = Py_TYPE(self)->tp_as_sequence->sq_length(self); + return 1; +} + +static Py_ssize_t SbkQByteArray_readbufferproc(PyObject* self, Py_ssize_t segment, void** ptrptr) +{ + if (segment || !Shiboken::Object::isValid(self)) + return -1; + + QByteArray* cppSelf = %CONVERTTOCPP[QByteArray*](self); + *ptrptr = reinterpret_cast<void*>(cppSelf->data()); + return cppSelf->size(); +} + +PyBufferProcs SbkQByteArrayBufferProc = { + /*bf_getreadbuffer*/ &SbkQByteArray_readbufferproc, + /*bf_getwritebuffer*/ (writebufferproc) &SbkQByteArray_readbufferproc, + /*bf_getsegcount*/ &SbkQByteArray_segcountproc, + /*bf_getcharbuffer*/ (charbufferproc) &SbkQByteArray_readbufferproc +}; + +} + +#endif +// @snippet qbytearray-bufferprotocol + // @snippet qbytearray-operatorplus-1 QByteArray ba = QByteArray(PyBytes_AS_STRING(%PYARG_1), PyBytes_GET_SIZE(%PYARG_1)) + *%CPPSELF; %PYARG_0 = %CONVERTTOPYTHON[QByteArray](ba); @@ -635,8 +1075,8 @@ if (PyUnicode_CheckExact(%PYARG_1)) { // @snippet qbytearray-repr PyObject *aux = PyBytes_FromStringAndSize(%CPPSELF.constData(), %CPPSELF.size()); -if (aux == NULL) { - return NULL; +if (aux == nullptr) { + return nullptr; } QByteArray b(Py_TYPE(%PYSELF)->tp_name); #ifdef IS_PY3K @@ -685,8 +1125,8 @@ if (PyBytes_Check(%PYARG_1)) { // @snippet qbytearray-str PyObject *aux = PyBytes_FromStringAndSize(%CPPSELF.constData(), %CPPSELF.size()); -if (aux == NULL) { - return NULL; +if (aux == nullptr) { + return nullptr; } #ifdef IS_PY3K %PYARG_0 = PyObject_Repr(aux); @@ -845,6 +1285,20 @@ long result; %PYARG_0 = %CONVERTTOPYTHON[long](result); // @snippet qprocess-pid +// @snippet qcoreapplication-init +static void QCoreApplicationConstructor(PyObject *self, PyObject *pyargv, QCoreApplicationWrapper **cptr) +{ + static int argc; + static char **argv; + PyObject *stringlist = PyTuple_GET_ITEM(pyargv, 0); + if (Shiboken::listToArgcArgv(stringlist, &argc, &argv, "PySideApp")) { + *cptr = new QCoreApplicationWrapper(argc, argv); + Shiboken::Object::releaseOwnership(reinterpret_cast<SbkObject*>(self)); + PySide::registerCleanupFunction(&PySide::destroyQCoreApplication); + } +} +// @snippet qcoreapplication-init + // @snippet qcoreapplication-1 QCoreApplicationConstructor(%PYSELF, args, &%0); // @snippet qcoreapplication-1 @@ -959,7 +1413,7 @@ QSignalTransition *%0 = %CPPSELF->%FUNCTION_NAME(sender, PySide::Signal::getSign // @snippet qstatemachine-configuration %PYARG_0 = PySet_New(0); -foreach (QAbstractState *abs_state, %CPPSELF.configuration()) { +for (auto *abs_state : %CPPSELF.configuration()) { Shiboken::AutoDecRef obj(%CONVERTTOPYTHON[QAbstractState*](abs_state)); Shiboken::Object::setParent(self, obj); PySet_Add(%PYARG_0, obj); @@ -968,7 +1422,7 @@ foreach (QAbstractState *abs_state, %CPPSELF.configuration()) { // @snippet qstatemachine-defaultanimations %PYARG_0 = PyList_New(0); -foreach (QAbstractAnimation *abs_anim, %CPPSELF.defaultAnimations()) { +for (auto *abs_anim : %CPPSELF.defaultAnimations()) { Shiboken::AutoDecRef obj(%CONVERTTOPYTHON[QAbstractAnimation*](abs_anim)); Shiboken::Object::setParent(self, obj); PyList_Append(%PYARG_0, obj); |