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452 lines (378 loc) · 12.9 KB
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/*
*
* Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: MeVis Medical Solutions AG, Universitaetsallee 29,
* 28359 Bremen, Germany or:
*
* http://www.mevis.de
*
*/
//----------------------------------------------------------------------------------
/*!
// \file PythonQtStdDecorators.cpp
// \author Florian Link
// \author Last changed by $Author: florian $
// \date 2007-04
*/
//----------------------------------------------------------------------------------
#include "PythonQtStdDecorators.h"
#include "PythonQt.h"
#include "PythonQtClassInfo.h"
#include "PythonQtConversion.h"
#include <QCoreApplication>
#include <QRegularExpression>
bool PythonQtStdDecorators::connect(QObject* sender, const QByteArray& signal, PyObject* callable)
{
if (signal.size() == 0) {
std::cerr << "PythonQt: QObject::disconnect() signal is empty." << std::endl;
return false;
}
bool result = false;
QByteArray signalTmp = signal;
char first = signalTmp.at(0);
if (first<'0' || first>'9') {
signalTmp = "2" + signalTmp;
}
if (sender) {
result = PythonQt::self()->addSignalHandler(sender, signalTmp, callable);
if (!result) {
if (sender->metaObject()->indexOfSignal(QMetaObject::normalizedSignature(signalTmp.constData()+1)) == -1) {
std::cerr << "PythonQt: QObject::connect() signal '" << signal.constData() << "' does not exist on " << sender->metaObject()->className() << std::endl;
}
}
}
return result;
}
bool PythonQtStdDecorators::connect(QObject* sender, const QByteArray& signal, QObject* receiver, const QByteArray& slot, Qt::ConnectionType type)
{
if (signal.size() == 0) {
std::cerr << "PythonQt: QObject::connect() signal is empty." << std::endl;
return false;
}
if (slot.size() == 0) {
std::cerr << "PythonQt: QObject::connect() slot is empty." << std::endl;
return false;
}
bool r = false;
if (sender && receiver) {
QByteArray signalTmp = signal;
char first = signalTmp.at(0);
if (first<'0' || first>'9') {
signalTmp = "2" + signalTmp;
}
QByteArray slotTmp = slot;
first = slotTmp.at(0);
if (first<'0' || first>'9') {
slotTmp = "1" + slotTmp;
}
r = QObject::connect(sender, signalTmp, receiver, slotTmp, type);
}
return r;
}
bool PythonQtStdDecorators::disconnect(QObject* sender, const QByteArray& signal, PyObject* callable)
{
if (signal.size() == 0) {
std::cerr << "PythonQt: QObject::disconnect() signal is empty." << std::endl;
return false;
}
bool result = false;
QByteArray signalTmp = signal;
char first = signalTmp.at(0);
if (first<'0' || first>'9') {
signalTmp = "2" + signalTmp;
}
if (sender) {
result = PythonQt::self()->removeSignalHandler(sender, signalTmp, callable);
if (callable == nullptr) {
result |= QObject::disconnect(sender, signalTmp, nullptr, nullptr);
}
if (!result) {
if (sender->metaObject()->indexOfSignal(QMetaObject::normalizedSignature(signalTmp.constData()+1)) == -1) {
std::cerr << "PythonQt: QObject::disconnect() signal '" << signal.constData() << "' does not exist on " << sender->metaObject()->className() << std::endl;
}
}
}
return result;
}
bool PythonQtStdDecorators::disconnect(QObject* sender, const QByteArray& signal, QObject* receiver, const QByteArray& slot)
{
bool r = false;
if (signal.size() == 0) {
std::cerr << "PythonQt: QObject::disconnect() signal is empty." << std::endl;
return false;
}
if (slot.size() == 0) {
std::cerr << "PythonQt: QObject::disconnect() slot is empty." << std::endl;
return false;
}
if (sender && receiver) {
QByteArray signalTmp = signal;
char first = signalTmp.at(0);
if (first<'0' || first>'9') {
signalTmp = "2" + signalTmp;
}
QByteArray slotTmp = slot;
first = slotTmp.at(0);
if (first<'0' || first>'9') {
slotTmp = "1" + slotTmp;
}
r = QObject::disconnect(sender, signalTmp, receiver, slotTmp);
}
return r;
}
QObject* PythonQtStdDecorators::parent(QObject* o) {
return o->parent();
}
void PythonQtStdDecorators::setParent(QObject* o, PythonQtNewOwnerOfThis<QObject*> parent)
{
o->setParent(parent);
}
const QObjectList* PythonQtStdDecorators::children(QObject* o)
{
return &o->children();
}
bool PythonQtStdDecorators::setProperty(QObject* o, const char* name, const QVariant& value)
{
return o->setProperty(name, value);
}
QVariant PythonQtStdDecorators::property(QObject* o, const char* name)
{
return o->property(name);
}
QString PythonQtStdDecorators::tr(QObject* obj, const QString& text, const QString& ambig, int n)
{
#if( QT_VERSION >= QT_VERSION_CHECK(5,0,0) )
return QCoreApplication::translate(obj->metaObject()->className(), text.toUtf8().constData(), ambig.toUtf8().constData(), n);
#else
return QCoreApplication::translate(obj->metaObject()->className(), text.toUtf8().constData(), ambig.toUtf8().constData(), QCoreApplication::CodecForTr, n);
#endif
}
void PythonQtStdDecorators::static_QTimer_singleShot(int msec, PyObject* callable)
{
PythonQtSingleShotTimer* timer = new PythonQtSingleShotTimer(msec, callable);
timer->start();
// timer deletes itself after calling callable
}
QObject* PythonQtStdDecorators::findChild(QObject* parent, PyObject* type, const QString& name)
{
const QMetaObject* meta = nullptr;
QByteArray typeName;
if (PyObject_TypeCheck(type, &PythonQtClassWrapper_Type)) {
meta = ((PythonQtClassWrapper*)type)->classInfo()->metaObject();
} else if (PyObject_TypeCheck(type, &PythonQtInstanceWrapper_Type)) {
meta = ((PythonQtInstanceWrapper*)type)->classInfo()->metaObject();
} else if (PyBytes_Check(type) || PyUnicode_Check(type)) {
typeName = PythonQtConv::PyObjGetString(type).toUtf8();
}
if (typeName.isEmpty() && !meta) {
return nullptr;
}
return findChild(parent, typeName, meta, name);
}
QList<QObject*> PythonQtStdDecorators::findChildren(QObject* parent, PyObject* type, const QString& name)
{
const QMetaObject* meta = nullptr;
QByteArray typeName;
if (PyObject_TypeCheck(type, &PythonQtClassWrapper_Type)) {
meta = ((PythonQtClassWrapper*)type)->classInfo()->metaObject();
} else if (PyObject_TypeCheck(type, &PythonQtInstanceWrapper_Type)) {
meta = ((PythonQtInstanceWrapper*)type)->classInfo()->metaObject();
}
else if (PyBytes_Check(type) || PyUnicode_Check(type)) {
typeName = PythonQtConv::PyObjGetString(type).toUtf8();
}
QList<QObject*> list;
if (typeName.isEmpty() && !meta) {
return list;
}
findChildren(parent, typeName, meta, name, list);
return list;
}
QList<QObject*> PythonQtStdDecorators::findChildren(QObject* parent, PyObject* type, const QRegularExpression& regExp)
{
const QMetaObject* meta = nullptr;
QByteArray typeName;
if (PyObject_TypeCheck(type, &PythonQtClassWrapper_Type)) {
meta = ((PythonQtClassWrapper*)type)->classInfo()->metaObject();
} else if (PyObject_TypeCheck(type, &PythonQtInstanceWrapper_Type)) {
meta = ((PythonQtInstanceWrapper*)type)->classInfo()->metaObject();
}
else if (PyBytes_Check(type) || PyUnicode_Check(type)) {
typeName = PythonQtConv::PyObjGetString(type).toUtf8();
}
QList<QObject*> list;
if (typeName.isEmpty() && !meta) {
return list;
}
findChildren(parent, typeName, meta, regExp, list);
return list;
}
QObject* PythonQtStdDecorators::findChild(QObject* parent, const char* typeName, const QMetaObject* meta, const QString& name)
{
const QObjectList &children = parent->children();
int i;
for (i = 0; i < children.size(); ++i) {
QObject* obj = children.at(i);
if (!obj)
return nullptr;
// Skip if the name doesn't match.
if (!name.isNull() && obj->objectName() != name)
continue;
if ((typeName && obj->inherits(typeName)) ||
(meta && meta->cast(obj)))
return obj;
}
for (i = 0; i < children.size(); ++i) {
QObject* obj = findChild(children.at(i), typeName, meta, name);
if (obj != nullptr)
return obj;
}
return nullptr;
}
int PythonQtStdDecorators::findChildren(QObject* parent, const char* typeName, const QMetaObject* meta, const QString& name, QList<QObject*>& list)
{
const QObjectList& children = parent->children();
int i;
for (i = 0; i < children.size(); ++i) {
QObject* obj = children.at(i);
if (!obj)
return -1;
// Skip if the name doesn't match.
if (!name.isNull() && obj->objectName() != name)
continue;
if ((typeName && obj->inherits(typeName)) ||
(meta && meta->cast(obj))) {
list += obj;
}
if (findChildren(obj, typeName, meta, name, list) < 0)
return -1;
}
return 0;
}
int PythonQtStdDecorators::findChildren(QObject* parent, const char* typeName, const QMetaObject* meta, const QRegularExpression& regExp, QList<QObject*>& list)
{
const QObjectList& children = parent->children();
int i;
for (i = 0; i < children.size(); ++i) {
QObject* obj = children.at(i);
if (!obj)
return -1;
// Skip if the name doesn't match.
QRegularExpressionMatch match = regExp.match(obj->objectName());
if (match.hasMatch() == false)
continue;
if ((typeName && obj->inherits(typeName)) ||
(meta && meta->cast(obj))) {
list += obj;
}
if (findChildren(obj, typeName, meta, regExp, list) < 0)
return -1;
}
return 0;
}
const QMetaObject* PythonQtStdDecorators::metaObject( QObject* obj )
{
return obj->metaObject();
}
//---------------------------------------------------------------------------
void PythonQtConfigAPI::setTaskDoneCallback(PyObject* object)
{
if (PythonQt::self()) {
PythonQt::self()->priv()->setTaskDoneCallback(object);
}
}
//---------------------------------------------------------------------------
bool PythonQtDebugAPI::isOwnedByPython( PyObject* object )
{
if (PyObject_TypeCheck(object, &PythonQtInstanceWrapper_Type)) {
PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)object;
return wrapper->_ownedByPythonQt;
}
return true;
}
bool PythonQtDebugAPI::isDerivedShellInstance( PyObject* object )
{
if (PyObject_TypeCheck(object, &PythonQtInstanceWrapper_Type)) {
PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)object;
return wrapper->_isShellInstance;
}
return false;
}
bool PythonQtDebugAPI::hasExtraShellRefCount( PyObject* object )
{
if (PyObject_TypeCheck(object, &PythonQtInstanceWrapper_Type)) {
PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)object;
return wrapper->_shellInstanceRefCountsWrapper;
}
return false;
}
bool PythonQtDebugAPI::passOwnershipToCPP( PyObject* object )
{
if (PyObject_TypeCheck(object, &PythonQtInstanceWrapper_Type)) {
PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)object;
wrapper->passOwnershipToCPP();
return true;
}
return false;
}
bool PythonQtDebugAPI::passOwnershipToPython( PyObject* object )
{
if (PyObject_TypeCheck(object, &PythonQtInstanceWrapper_Type)) {
PythonQtInstanceWrapper* wrapper = (PythonQtInstanceWrapper*)object;
wrapper->passOwnershipToPython();
return true;
}
return false;
}
bool PythonQtDebugAPI::isPythonQtInstanceWrapper( PyObject* object )
{
return PyObject_TypeCheck(object, &PythonQtInstanceWrapper_Type) != 0;
}
bool PythonQtDebugAPI::isPythonQtClassWrapper( PyObject* object )
{
return PyObject_TypeCheck(object, &PythonQtClassWrapper_Type) != 0;
}
//---------------------------------------------------------------------------
PythonQtSingleShotTimer::PythonQtSingleShotTimer(int msec, const PythonQtObjectPtr& callable)
{
_callable = callable;
setSingleShot(true);
setInterval(msec);
connect(this, SIGNAL(timeout()), this, SLOT(slotTimeout()));
}
PythonQtSingleShotTimer::~PythonQtSingleShotTimer()
{
PYTHONQT_GIL_SCOPE
_callable = nullptr;
}
void PythonQtSingleShotTimer::slotTimeout()
{
if (_callable) {
PYTHONQT_GIL_SCOPE
_callable.call();
}
// delete ourself
deleteLater();
}
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