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
|
// This is the implementation of the QPyQuickItem classes.
//
// Copyright (c) 2018 Riverbank Computing Limited <info@riverbankcomputing.com>
//
// This file is part of PyQt5.
//
// 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 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.
//
// If you do not wish to use this file under the terms of the GPL version 3.0
// then you may purchase a commercial license. For more information contact
// info@riverbankcomputing.com.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#include <Python.h>
#include <QQmlListProperty>
#include "qpyquickitem.h"
#include "sipAPIQtQuick.h"
// The maximum number of Python QQuickItem types.
const int NrOfQuickItemTypes = 30;
// The list of registered Python types.
static QList<PyTypeObject *> pyqt_types;
// The registration data for the canned types.
static QQmlPrivate::RegisterType canned_types[NrOfQuickItemTypes];
// Pick the correct meta-object, either the one from the super-class or the
// static meta-object.
const QMetaObject *qpyquick_pick_metaobject(const QMetaObject *super_mo,
const QMetaObject *static_mo)
{
// If a Python type has been sub-classed in QML then we need to use the
// QtQuick supplied meta-object. In this case it's super-class meta-object
// will be the meta-object of the Python type. Otherwise we need to use
// the static meta-object (which is a copy of the meta-object of the Python
// type). We use the class names held by the meta-objects to determine the
// correct meta-object to return.
return (qstrcmp(super_mo->superClass()->className(), static_mo->className()) == 0) ? super_mo : static_mo;
}
#define QPYQUICKITEM_INIT(n) \
case n##U: \
QPyQuickItem##n::staticMetaObject = *mo; \
rt->typeId = qRegisterNormalizedMetaType<QPyQuickItem##n *>(ptr_name); \
rt->listId = qRegisterNormalizedMetaType<QQmlListProperty<QPyQuickItem##n> >(list_name); \
rt->objectSize = sizeof(QPyQuickItem##n); \
rt->create = QQmlPrivate::createInto<QPyQuickItem##n>; \
rt->metaObject = mo; \
rt->attachedPropertiesFunction = QQmlPrivate::attachedPropertiesFunc<QPyQuickItem##n>(); \
rt->attachedPropertiesMetaObject = QQmlPrivate::attachedPropertiesMetaObject<QPyQuickItem##n>(); \
rt->parserStatusCast = QQmlPrivate::StaticCastSelector<QPyQuickItem##n,QQmlParserStatus>::cast(); \
rt->valueSourceCast = QQmlPrivate::StaticCastSelector<QPyQuickItem##n,QQmlPropertyValueSource>::cast(); \
rt->valueInterceptorCast = QQmlPrivate::StaticCastSelector<QPyQuickItem##n,QQmlPropertyValueInterceptor>::cast(); \
break
// The ctor.
QPyQuickItem::QPyQuickItem(QQuickItem *parent) : sipQQuickItem(parent)
{
}
// Add a new Python type and return its number.
QQmlPrivate::RegisterType *QPyQuickItem::addType(PyTypeObject *type,
const QMetaObject *mo, const QByteArray &ptr_name,
const QByteArray &list_name)
{
int type_nr = pyqt_types.size();
// Check we have a spare canned type.
if (type_nr >= NrOfQuickItemTypes)
{
PyErr_Format(PyExc_TypeError,
"a maximum of %d QQuickItem types may be registered with QML",
NrOfQuickItemTypes);
return 0;
}
pyqt_types.append(type);
QQmlPrivate::RegisterType *rt = &canned_types[type_nr];
// Initialise those members that depend on the C++ type.
switch (type_nr)
{
QPYQUICKITEM_INIT(0);
QPYQUICKITEM_INIT(1);
QPYQUICKITEM_INIT(2);
QPYQUICKITEM_INIT(3);
QPYQUICKITEM_INIT(4);
QPYQUICKITEM_INIT(5);
QPYQUICKITEM_INIT(6);
QPYQUICKITEM_INIT(7);
QPYQUICKITEM_INIT(8);
QPYQUICKITEM_INIT(9);
QPYQUICKITEM_INIT(10);
QPYQUICKITEM_INIT(11);
QPYQUICKITEM_INIT(12);
QPYQUICKITEM_INIT(13);
QPYQUICKITEM_INIT(14);
QPYQUICKITEM_INIT(15);
QPYQUICKITEM_INIT(16);
QPYQUICKITEM_INIT(17);
QPYQUICKITEM_INIT(18);
QPYQUICKITEM_INIT(19);
QPYQUICKITEM_INIT(20);
QPYQUICKITEM_INIT(21);
QPYQUICKITEM_INIT(22);
QPYQUICKITEM_INIT(23);
QPYQUICKITEM_INIT(24);
QPYQUICKITEM_INIT(25);
QPYQUICKITEM_INIT(26);
QPYQUICKITEM_INIT(27);
QPYQUICKITEM_INIT(28);
QPYQUICKITEM_INIT(29);
}
return rt;
}
// Create the Python instance.
void QPyQuickItem::createPyObject(QQuickItem *parent)
{
SIP_BLOCK_THREADS
// Assume C++ owns everything.
PyObject *obj = sipConvertFromNewPyType(this, pyqt_types.at(typeNr()),
NULL, &sipPySelf, "D", parent, sipType_QQuickItem, NULL);
if (!obj)
pyqt5_qtquick_err_print();
SIP_UNBLOCK_THREADS
}
// The canned type implementations.
#define QPYQUICKITEM_IMPL(n) \
QPyQuickItem##n::QPyQuickItem##n(QQuickItem *parent) : QPyQuickItem(parent) \
{ \
createPyObject(parent); \
} \
const QMetaObject *QPyQuickItem##n::metaObject() const \
{ \
return qpyquick_pick_metaobject(QPyQuickItem::metaObject(), &staticMetaObject); \
} \
QMetaObject QPyQuickItem##n::staticMetaObject
QPYQUICKITEM_IMPL(0);
QPYQUICKITEM_IMPL(1);
QPYQUICKITEM_IMPL(2);
QPYQUICKITEM_IMPL(3);
QPYQUICKITEM_IMPL(4);
QPYQUICKITEM_IMPL(5);
QPYQUICKITEM_IMPL(6);
QPYQUICKITEM_IMPL(7);
QPYQUICKITEM_IMPL(8);
QPYQUICKITEM_IMPL(9);
QPYQUICKITEM_IMPL(10);
QPYQUICKITEM_IMPL(11);
QPYQUICKITEM_IMPL(12);
QPYQUICKITEM_IMPL(13);
QPYQUICKITEM_IMPL(14);
QPYQUICKITEM_IMPL(15);
QPYQUICKITEM_IMPL(16);
QPYQUICKITEM_IMPL(17);
QPYQUICKITEM_IMPL(18);
QPYQUICKITEM_IMPL(19);
QPYQUICKITEM_IMPL(20);
QPYQUICKITEM_IMPL(21);
QPYQUICKITEM_IMPL(22);
QPYQUICKITEM_IMPL(23);
QPYQUICKITEM_IMPL(24);
QPYQUICKITEM_IMPL(25);
QPYQUICKITEM_IMPL(26);
QPYQUICKITEM_IMPL(27);
QPYQUICKITEM_IMPL(28);
QPYQUICKITEM_IMPL(29);
|