/
WidgetFactory.cpp
1577 lines (1396 loc) · 48.3 KB
/
WidgetFactory.cpp
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/***************************************************************************
* Copyright (c) 2004 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <algorithm>
# include <limits>
# include <QTextStream>
#endif
#if QT_VERSION >= 0x050200
# include <QMetaType>
#endif
// Uncomment this block to remove PySide C++ support and switch to its Python interface
//#undef HAVE_SHIBOKEN
//#undef HAVE_PYSIDE
//#undef HAVE_SHIBOKEN2
//#undef HAVE_PYSIDE2
#ifdef FC_OS_WIN32
#undef max
#undef min
#ifdef _MSC_VER
#pragma warning( disable : 4099 )
#pragma warning( disable : 4522 )
#endif
#endif
// class and struct used for SbkObject
#if defined(__clang__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wmismatched-tags"
# pragma clang diagnostic ignored "-Wunused-parameter"
#elif defined (__GNUC__)
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
#ifdef HAVE_SHIBOKEN
# undef _POSIX_C_SOURCE
# undef _XOPEN_SOURCE
# include <basewrapper.h>
# include <sbkconverter.h>
# include <sbkmodule.h>
# include <typeresolver.h>
# include <shiboken.h>
# ifdef HAVE_PYSIDE
# include <pyside_qtcore_python.h>
# include <pyside_qtgui_python.h>
PyTypeObject** SbkPySide_QtCoreTypes=NULL;
PyTypeObject** SbkPySide_QtGuiTypes=NULL;
# endif
#endif
#ifdef HAVE_SHIBOKEN2
# define HAVE_SHIBOKEN
# undef _POSIX_C_SOURCE
# undef _XOPEN_SOURCE
# include <basewrapper.h>
# include <sbkconverter.h>
# include <sbkmodule.h>
# include <shiboken.h>
# ifdef HAVE_PYSIDE2
# define HAVE_PYSIDE
# include <pyside2_qtcore_python.h>
# include <pyside2_qtgui_python.h>
# include <pyside2_qtwidgets_python.h>
# include <signalmanager.h>
PyTypeObject** SbkPySide2_QtCoreTypes=NULL;
PyTypeObject** SbkPySide2_QtGuiTypes=NULL;
PyTypeObject** SbkPySide2_QtWidgetsTypes=NULL;
# endif
#endif
#if defined(__clang__)
# pragma clang diagnostic pop
#elif defined (__GNUC__)
# pragma GCC diagnostic pop
#endif
#include <CXX/Objects.hxx>
#include <App/Application.h>
#include <Base/Console.h>
#include <Base/Exception.h>
#include <Base/Interpreter.h>
#include <Base/Quantity.h>
#include <Base/QuantityPy.h>
#include "WidgetFactory.h"
#include "PrefWidgets.h"
#include "PropertyPage.h"
using namespace Gui;
#if defined (HAVE_SHIBOKEN)
/**
Example:
\code
ui = FreeCADGui.UiLoader()
w = ui.createWidget("Gui::InputField")
w.show()
w.property("quantity")
\endcode
*/
PyObject* toPythonFuncQuantityTyped(Base::Quantity cpx) {
return new Base::QuantityPy(new Base::Quantity(cpx));
}
PyObject* toPythonFuncQuantity(const void* cpp)
{
return toPythonFuncQuantityTyped(*reinterpret_cast<const Base::Quantity*>(cpp));
}
void toCppPointerConvFuncQuantity(PyObject* pyobj,void* cpp)
{
*((Base::Quantity*)cpp) = *static_cast<Base::QuantityPy*>(pyobj)->getQuantityPtr();
}
PythonToCppFunc toCppPointerCheckFuncQuantity(PyObject* obj)
{
if (PyObject_TypeCheck(obj, &(Base::QuantityPy::Type)))
return toCppPointerConvFuncQuantity;
else
return 0;
}
void BaseQuantity_PythonToCpp_QVariant(PyObject* pyIn, void* cppOut)
{
Base::Quantity* q = static_cast<Base::QuantityPy*>(pyIn)->getQuantityPtr();
*((QVariant*)cppOut) = QVariant::fromValue<Base::Quantity>(*q);
}
PythonToCppFunc isBaseQuantity_PythonToCpp_QVariantConvertible(PyObject* obj)
{
if (PyObject_TypeCheck(obj, &(Base::QuantityPy::Type)))
return BaseQuantity_PythonToCpp_QVariant;
return 0;
}
#if defined (HAVE_PYSIDE) && QT_VERSION >= 0x050200
Base::Quantity convertWrapperToQuantity(const PySide::PyObjectWrapper &w)
{
PyObject* pyIn = static_cast<PyObject*>(w);
if (PyObject_TypeCheck(pyIn, &(Base::QuantityPy::Type))) {
return *static_cast<Base::QuantityPy*>(pyIn)->getQuantityPtr();
}
return Base::Quantity(std::numeric_limits<double>::quiet_NaN());
}
#endif
void registerTypes()
{
SbkConverter* convert = Shiboken::Conversions::createConverter(&Base::QuantityPy::Type,
toPythonFuncQuantity);
Shiboken::Conversions::setPythonToCppPointerFunctions(convert,
toCppPointerConvFuncQuantity,
toCppPointerCheckFuncQuantity);
Shiboken::Conversions::registerConverterName(convert, "Base::Quantity");
SbkConverter* qvariant_conv = Shiboken::Conversions::getConverter("QVariant");
if (qvariant_conv) {
// The type QVariant already has a converter from PyBaseObject_Type which will
// come before our own converter.
Shiboken::Conversions::addPythonToCppValueConversion(qvariant_conv,
BaseQuantity_PythonToCpp_QVariant,
isBaseQuantity_PythonToCpp_QVariantConvertible);
}
#if defined (HAVE_PYSIDE) && QT_VERSION >= 0x050200
QMetaType::registerConverter<PySide::PyObjectWrapper, Base::Quantity>(&convertWrapperToQuantity);
#endif
}
#endif
// --------------------------------------------------------
namespace Gui {
template<typename qttype>
Py::Object qt_wrapInstance(qttype object, const char* className,
const char* shiboken, const char* pyside,
const char* wrap)
{
PyObject* module = PyImport_ImportModule(shiboken);
if (!module) {
std::string error = "Cannot load ";
error += shiboken;
error += " module";
throw Py::Exception(PyExc_ImportError, error);
}
Py::Module mainmod(module, true);
Py::Callable func = mainmod.getDict().getItem(wrap);
Py::Tuple arguments(2);
arguments[0] = Py::asObject(PyLong_FromVoidPtr((void*)object));
module = PyImport_ImportModule(pyside);
if (!module) {
std::string error = "Cannot load ";
error += pyside;
error += " module";
throw Py::Exception(PyExc_ImportError, error);
}
Py::Module qtmod(module);
arguments[1] = qtmod.getDict().getItem(className);
return func.apply(arguments);
}
void* qt_getCppPointer(const Py::Object& pyobject, const char* shiboken, const char* unwrap)
{
// https://github.com/PySide/Shiboken/blob/master/shibokenmodule/typesystem_shiboken.xml
PyObject* module = PyImport_ImportModule(shiboken);
if (!module) {
std::string error = "Cannot load ";
error += shiboken;
error += " module";
throw Py::Exception(PyExc_ImportError, error);
}
Py::Module mainmod(module, true);
Py::Callable func = mainmod.getDict().getItem(unwrap);
Py::Tuple arguments(1);
arguments[0] = pyobject; //PySide pointer
Py::Tuple result(func.apply(arguments));
void* ptr = PyLong_AsVoidPtr(result[0].ptr());
return ptr;
}
}
// --------------------------------------------------------
PythonWrapper::PythonWrapper()
{
#if defined (HAVE_SHIBOKEN)
static bool init = false;
if (!init) {
init = true;
registerTypes();
}
#endif
}
bool PythonWrapper::toCString(const Py::Object& pyobject, std::string& str)
{
if (PyUnicode_Check(pyobject.ptr())) {
PyObject* unicode = PyUnicode_AsUTF8String(pyobject.ptr());
#if PY_MAJOR_VERSION >= 3
str = PyBytes_AsString(unicode);
#else
str = PyString_AsString(unicode);
#endif
Py_DECREF(unicode);
return true;
}
#if PY_MAJOR_VERSION >= 3
else if (PyBytes_Check(pyobject.ptr())) {
str = PyBytes_AsString(pyobject.ptr());
return true;
}
#else
else if (PyString_Check(pyobject.ptr())) {
str = PyString_AsString(pyobject.ptr());
return true;
}
#endif
#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
if (Shiboken::String::check(pyobject.ptr())) {
const char* s = Shiboken::String::toCString(pyobject.ptr());
if (s) str = s;
return true;
}
#endif
return false;
}
QObject* PythonWrapper::toQObject(const Py::Object& pyobject)
{
// http://pastebin.com/JByDAF5Z
#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
PyTypeObject * type = Shiboken::SbkType<QObject>();
if (type) {
if (Shiboken::Object::checkType(pyobject.ptr())) {
SbkObject* sbkobject = reinterpret_cast<SbkObject *>(pyobject.ptr());
void* cppobject = Shiboken::Object::cppPointer(sbkobject, type);
return reinterpret_cast<QObject*>(cppobject);
}
}
#elif QT_VERSION >= 0x050000
// Access shiboken2/PySide2 via Python
//
void* ptr = qt_getCppPointer(pyobject, "shiboken2", "getCppPointer");
return reinterpret_cast<QObject*>(ptr);
#else
// Access shiboken/PySide via Python
//
void* ptr = qt_getCppPointer(pyobject, "shiboken", "getCppPointer");
return reinterpret_cast<QObject*>(ptr);
#endif
#if 0 // Unwrapping using sip/PyQt
void* ptr = qt_getCppPointer(pyobject, "sip", "unwrapinstance");
return reinterpret_cast<QObject*>(ptr);
#endif
return 0;
}
Py::Object PythonWrapper::fromQIcon(const QIcon* icon)
{
#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
const char* typeName = typeid(*const_cast<QIcon*>(icon)).name();
PyObject* pyobj = Shiboken::Object::newObject(reinterpret_cast<SbkObjectType*>(Shiboken::SbkType<QIcon>()),
const_cast<QIcon*>(icon), true, false, typeName);
if (pyobj)
return Py::asObject(pyobj);
#elif QT_VERSION >= 0x050000
// Access shiboken2/PySide2 via Python
//
return qt_wrapInstance<const QIcon*>(icon, "QIcon", "shiboken2", "PySide2.QtGui", "wrapInstance");
#else
// Access shiboken/PySide via Python
//
return qt_wrapInstance<const QIcon*>(icon, "QIcon", "shiboken", "PySide.QtGui", "wrapInstance");
#endif
throw Py::RuntimeError("Failed to wrap icon");
}
Py::Object PythonWrapper::fromQWidget(QWidget* widget, const char* className)
{
#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
// Access shiboken/PySide via C++
//
PyTypeObject * type = Shiboken::SbkType<QWidget>();
if (type) {
SbkObjectType* sbk_type = reinterpret_cast<SbkObjectType*>(type);
std::string typeName;
if (className)
typeName = className;
else
typeName = widget->metaObject()->className();
PyObject* pyobj = Shiboken::Object::newObject(sbk_type, widget, false, false, typeName.c_str());
return Py::asObject(pyobj);
}
throw Py::RuntimeError("Failed to wrap widget");
#elif QT_VERSION >= 0x050000
// Access shiboken2/PySide2 via Python
//
return qt_wrapInstance<QWidget*>(widget, className, "shiboken2", "PySide2.QtWidgets", "wrapInstance");
#else
// Access shiboken/PySide via Python
//
return qt_wrapInstance<QWidget*>(widget, className, "shiboken", "PySide.QtGui", "wrapInstance");
#endif
#if 0 // Unwrapping using sip/PyQt
Q_UNUSED(className);
#if QT_VERSION >= 0x050000
return qt_wrapInstance<QWidget*>(widget, "QWidget", "sip", "PyQt5.QtWidgets", "wrapinstance");
#else
return qt_wrapInstance<QWidget*>(widget, "QWidget", "sip", "PyQt4.Qt", "wrapinstance");
#endif
#endif
}
const char* PythonWrapper::getWrapperName(QObject* obj) const
{
#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
const QMetaObject* meta = obj->metaObject();
while (meta) {
const char* typeName = meta->className();
PyTypeObject* exactType = Shiboken::Conversions::getPythonTypeObject(typeName);
if (exactType)
return typeName;
meta = meta->superClass();
}
#else
QUiLoader ui;
QStringList names = ui.availableWidgets();
const QMetaObject* meta = obj->metaObject();
while (meta) {
const char* typeName = meta->className();
if (names.indexOf(QLatin1String(typeName)) >= 0)
return typeName;
meta = meta->superClass();
}
#endif
return "QObject";
}
bool PythonWrapper::loadCoreModule()
{
#if defined (HAVE_SHIBOKEN2) && (HAVE_PYSIDE2)
// QtCore
if (!SbkPySide2_QtCoreTypes) {
Shiboken::AutoDecRef requiredModule(Shiboken::Module::import("PySide2.QtCore"));
if (requiredModule.isNull())
return false;
SbkPySide2_QtCoreTypes = Shiboken::Module::getTypes(requiredModule);
}
#elif defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
// QtCore
if (!SbkPySide_QtCoreTypes) {
Shiboken::AutoDecRef requiredModule(Shiboken::Module::import("PySide.QtCore"));
if (requiredModule.isNull())
return false;
SbkPySide_QtCoreTypes = Shiboken::Module::getTypes(requiredModule);
}
#endif
return true;
}
bool PythonWrapper::loadGuiModule()
{
#if defined (HAVE_SHIBOKEN2) && defined(HAVE_PYSIDE2)
// QtGui
if (!SbkPySide2_QtGuiTypes) {
Shiboken::AutoDecRef requiredModule(Shiboken::Module::import("PySide2.QtGui"));
if (requiredModule.isNull())
return false;
SbkPySide2_QtGuiTypes = Shiboken::Module::getTypes(requiredModule);
}
#elif defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
// QtGui
if (!SbkPySide_QtGuiTypes) {
Shiboken::AutoDecRef requiredModule(Shiboken::Module::import("PySide.QtGui"));
if (requiredModule.isNull())
return false;
SbkPySide_QtGuiTypes = Shiboken::Module::getTypes(requiredModule);
}
#endif
return true;
}
bool PythonWrapper::loadWidgetsModule()
{
#if defined (HAVE_SHIBOKEN2) && defined(HAVE_PYSIDE2)
// QtWidgets
if (!SbkPySide2_QtWidgetsTypes) {
Shiboken::AutoDecRef requiredModule(Shiboken::Module::import("PySide2.QtWidgets"));
if (requiredModule.isNull())
return false;
SbkPySide2_QtWidgetsTypes = Shiboken::Module::getTypes(requiredModule);
}
#endif
return true;
}
void PythonWrapper::createChildrenNameAttributes(PyObject* root, QObject* object)
{
#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
Q_FOREACH (QObject* child, object->children()) {
const QByteArray name = child->objectName().toLocal8Bit();
if (!name.isEmpty() && !name.startsWith("_") && !name.startsWith("qt_")) {
bool hasAttr = PyObject_HasAttrString(root, name.constData());
if (!hasAttr) {
#if defined (HAVE_SHIBOKEN2) && defined(HAVE_PYSIDE2)
Shiboken::AutoDecRef pyChild(Shiboken::Conversions::pointerToPython((SbkObjectType*)SbkPySide2_QtCoreTypes[SBK_QOBJECT_IDX], child));
#else
Shiboken::AutoDecRef pyChild(Shiboken::Conversions::pointerToPython((SbkObjectType*)SbkPySide_QtCoreTypes[SBK_QOBJECT_IDX], child));
#endif
PyObject_SetAttrString(root, name.constData(), pyChild);
}
createChildrenNameAttributes(root, child);
}
createChildrenNameAttributes(root, child);
}
#else
Q_UNUSED(root);
Q_UNUSED(object);
#endif
}
void PythonWrapper::setParent(PyObject* pyWdg, QObject* parent)
{
#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
if (parent) {
#if defined (HAVE_SHIBOKEN2) && defined(HAVE_PYSIDE2)
Shiboken::AutoDecRef pyParent(Shiboken::Conversions::pointerToPython((SbkObjectType*)SbkPySide2_QtGuiTypes[SBK_QWIDGET_IDX], parent));
#else
Shiboken::AutoDecRef pyParent(Shiboken::Conversions::pointerToPython((SbkObjectType*)SbkPySide_QtGuiTypes[SBK_QWIDGET_IDX], parent));
#endif
Shiboken::Object::setParent(pyParent, pyWdg);
}
#else
Q_UNUSED(pyWdg);
Q_UNUSED(parent);
#endif
}
// ----------------------------------------------------
Gui::WidgetFactoryInst* Gui::WidgetFactoryInst::_pcSingleton = NULL;
WidgetFactoryInst& WidgetFactoryInst::instance()
{
if (_pcSingleton == 0L)
_pcSingleton = new WidgetFactoryInst;
return *_pcSingleton;
}
void WidgetFactoryInst::destruct ()
{
if (_pcSingleton != 0)
delete _pcSingleton;
_pcSingleton = 0;
}
/**
* Creates a widget with the name \a sName which is a child of \a parent.
* To create an instance of this widget once it must has been registered.
* If there is no appropriate widget registered 0 is returned.
*/
QWidget* WidgetFactoryInst::createWidget (const char* sName, QWidget* parent) const
{
QWidget* w = (QWidget*)Produce(sName);
// this widget class is not registered
if (!w) {
#ifdef FC_DEBUG
Base::Console().Warning("\"%s\" is not registered\n", sName);
#else
Base::Console().Log("\"%s\" is not registered\n", sName);
#endif
return 0;
}
try {
#ifdef FC_DEBUG
const char* cName = dynamic_cast<QWidget*>(w)->metaObject()->className();
Base::Console().Log("Widget of type '%s' created.\n", cName);
#endif
}
catch (...) {
#ifdef FC_DEBUG
Base::Console().Error("%s does not inherit from \"QWidget\"\n", sName);
#else
Base::Console().Log("%s does not inherit from \"QWidget\"\n", sName);
#endif
delete w;
return 0;
}
// set the parent to the widget
if (parent)
w->setParent(parent);
return w;
}
/**
* Creates a widget with the name \a sName which is a child of \a parent.
* To create an instance of this widget once it must has been registered.
* If there is no appropriate widget registered 0 is returned.
*/
Gui::Dialog::PreferencePage* WidgetFactoryInst::createPreferencePage (const char* sName, QWidget* parent) const
{
Gui::Dialog::PreferencePage* w = (Gui::Dialog::PreferencePage*)Produce(sName);
// this widget class is not registered
if (!w) {
#ifdef FC_DEBUG
Base::Console().Warning("Cannot create an instance of \"%s\"\n", sName);
#else
Base::Console().Log("Cannot create an instance of \"%s\"\n", sName);
#endif
return 0;
}
if (qobject_cast<Gui::Dialog::PreferencePage*>(w)) {
#ifdef FC_DEBUG
Base::Console().Log("Preference page of type '%s' created.\n", w->metaObject()->className());
#endif
}
else {
#ifdef FC_DEBUG
Base::Console().Error("%s does not inherit from 'Gui::Dialog::PreferencePage'\n", sName);
#endif
delete w;
return 0;
}
// set the parent to the widget
if (parent)
w->setParent(parent);
return w;
}
/**
* Creates a preference widget with the name \a sName and the preference name \a sPref
* which is a child of \a parent.
* To create an instance of this widget once it must has been registered.
* If there is no appropriate widget registered 0 is returned.
* After creation of this widget its recent preferences are restored automatically.
*/
QWidget* WidgetFactoryInst::createPrefWidget(const char* sName, QWidget* parent, const char* sPref)
{
QWidget* w = createWidget(sName);
// this widget class is not registered
if (!w)
return 0; // no valid QWidget object
// set the parent to the widget
w->setParent(parent);
try {
PrefWidget* pw = dynamic_cast<PrefWidget*>(w);
if (pw) {
pw->setEntryName(sPref);
pw->restorePreferences();
}
}
catch (...) {
#ifdef FC_DEBUG
Base::Console().Error("%s does not inherit from \"PrefWidget\"\n", w->metaObject()->className());
#endif
delete w;
return 0;
}
return w;
}
// ----------------------------------------------------
PySideUicModule::PySideUicModule()
: Py::ExtensionModule<PySideUicModule>("PySideUic")
{
add_varargs_method("loadUiType",&PySideUicModule::loadUiType,
"PySide lacks the \"loadUiType\" command, so we have to convert the ui file to py code in-memory first\n"
"and then execute it in a special frame to retrieve the form_class.");
add_varargs_method("loadUi",&PySideUicModule::loadUi,
"Addition of \"loadUi\" to PySide.");
initialize("PySideUic helper module"); // register with Python
}
Py::Object PySideUicModule::loadUiType(const Py::Tuple& args)
{
Base::PyGILStateLocker lock;
PyObject* main = PyImport_AddModule("__main__");
PyObject* dict = PyModule_GetDict(main);
Py::Dict d(PyDict_Copy(dict), true);
Py::String uiFile(args.getItem(0));
std::string file = uiFile.as_string();
std::replace(file.begin(), file.end(), '\\', '/');
QString cmd;
QTextStream str(&cmd);
// https://github.com/albop/dolo/blob/master/bin/load_ui.py
#if defined(HAVE_PYSIDE2)
str << "import pyside2uic\n"
<< "from PySide2 import QtCore, QtGui, QtWidgets\n"
<< "import xml.etree.ElementTree as xml\n"
<< "try:\n"
<< " from cStringIO import StringIO\n"
<< "except:\n"
<< " from io import StringIO\n"
<< "\n"
<< "uiFile = \"" << file.c_str() << "\"\n"
<< "parsed = xml.parse(uiFile)\n"
<< "widget_class = parsed.find('widget').get('class')\n"
<< "form_class = parsed.find('class').text\n"
<< "with open(uiFile, 'r') as f:\n"
<< " o = StringIO()\n"
<< " frame = {}\n"
<< " pyside2uic.compileUi(f, o, indent=0)\n"
<< " pyc = compile(o.getvalue(), '<string>', 'exec')\n"
<< " exec(pyc, frame)\n"
<< " #Fetch the base_class and form class based on their type in the xml from designer\n"
<< " form_class = frame['Ui_%s'%form_class]\n"
<< " base_class = eval('QtWidgets.%s'%widget_class)\n";
#else
str << "import pysideuic\n"
<< "from PySide import QtCore, QtGui\n"
<< "import xml.etree.ElementTree as xml\n"
<< "try:\n"
<< " from cStringIO import StringIO\n"
<< "except:\n"
<< " from io import StringIO\n"
<< "\n"
<< "uiFile = \"" << file.c_str() << "\"\n"
<< "parsed = xml.parse(uiFile)\n"
<< "widget_class = parsed.find('widget').get('class')\n"
<< "form_class = parsed.find('class').text\n"
<< "with open(uiFile, 'r') as f:\n"
<< " o = StringIO()\n"
<< " frame = {}\n"
<< " pysideuic.compileUi(f, o, indent=0)\n"
<< " pyc = compile(o.getvalue(), '<string>', 'exec')\n"
<< " exec(pyc, frame)\n"
<< " #Fetch the base_class and form class based on their type in the xml from designer\n"
<< " form_class = frame['Ui_%s'%form_class]\n"
<< " base_class = eval('QtGui.%s'%widget_class)\n";
#endif
PyObject* result = PyRun_String((const char*)cmd.toLatin1(), Py_file_input, d.ptr(), d.ptr());
if (result) {
Py_DECREF(result);
if (d.hasKey("form_class") && d.hasKey("base_class")) {
Py::Tuple t(2);
t.setItem(0, d.getItem("form_class"));
t.setItem(1, d.getItem("base_class"));
return t;
}
}
else {
throw Py::Exception();
}
return Py::None();
}
Py::Object PySideUicModule::loadUi(const Py::Tuple& args)
{
Base::PyGILStateLocker lock;
PyObject* main = PyImport_AddModule("__main__");
PyObject* dict = PyModule_GetDict(main);
Py::Dict d(PyDict_Copy(dict), true);
d.setItem("uiFile_", args[0]);
if (args.size() > 1)
d.setItem("base_", args[1]);
else
d.setItem("base_", Py::None());
QString cmd;
QTextStream str(&cmd);
#if 0
// https://github.com/lunaryorn/snippets/blob/master/qt4/designer/pyside_dynamic.py
str << "from PySide import QtCore, QtGui, QtUiTools\n"
<< "import FreeCADGui"
<< "\n"
<< "class UiLoader(QtUiTools.QUiLoader):\n"
<< " def __init__(self, baseinstance):\n"
<< " QtUiTools.QUiLoader.__init__(self, baseinstance)\n"
<< " self.baseinstance = baseinstance\n"
<< " self.ui = FreeCADGui.UiLoader()\n"
<< "\n"
<< " def createWidget(self, class_name, parent=None, name=''):\n"
<< " if parent is None and self.baseinstance:\n"
<< " return self.baseinstance\n"
<< " else:\n"
<< " widget = self.ui.createWidget(class_name, parent, name)\n"
<< " if not widget:\n"
<< " widget = QtUiTools.QUiLoader.createWidget(self, class_name, parent, name)\n"
<< " if self.baseinstance:\n"
<< " setattr(self.baseinstance, name, widget)\n"
<< " return widget\n"
<< "\n"
<< "loader = UiLoader(globals()[\"base_\"])\n"
<< "widget = loader.load(globals()[\"uiFile_\"])\n"
<< "\n";
#elif defined(HAVE_PYSIDE2)
str << "from PySide2 import QtCore, QtGui, QtWidgets\n"
<< "import FreeCADGui"
<< "\n"
<< "loader = FreeCADGui.UiLoader()\n"
<< "widget = loader.load(globals()[\"uiFile_\"])\n"
<< "\n";
#else
str << "from PySide import QtCore, QtGui\n"
<< "import FreeCADGui"
<< "\n"
<< "loader = FreeCADGui.UiLoader()\n"
<< "widget = loader.load(globals()[\"uiFile_\"])\n"
<< "\n";
#endif
PyObject* result = PyRun_String((const char*)cmd.toLatin1(), Py_file_input, d.ptr(), d.ptr());
if (result) {
Py_DECREF(result);
if (d.hasKey("widget")) {
return d.getItem("widget");
}
}
else {
throw Py::Exception();
}
return Py::None();
}
// ----------------------------------------------------
UiLoader::UiLoader(QObject* parent)
: QUiLoader(parent)
{
// do not use the plugins for additional widgets as we don't need them and
// the application may crash under Linux (tested on Ubuntu 7.04 & 7.10).
clearPluginPaths();
this->cw = availableWidgets();
}
UiLoader::~UiLoader()
{
}
QWidget* UiLoader::createWidget(const QString & className, QWidget * parent,
const QString& name)
{
if (this->cw.contains(className))
return QUiLoader::createWidget(className, parent, name);
QWidget* w = 0;
if (WidgetFactory().CanProduce((const char*)className.toLatin1()))
w = WidgetFactory().createWidget((const char*)className.toLatin1(), parent);
if (w) w->setObjectName(name);
return w;
}
// ----------------------------------------------------
PyObject *UiLoaderPy::PyMake(struct _typeobject * /*type*/, PyObject * args, PyObject * /*kwds*/)
{
if (!PyArg_ParseTuple(args, ""))
return 0;
return new UiLoaderPy();
}
void UiLoaderPy::init_type()
{
behaviors().name("UiLoader");
behaviors().doc("UiLoader to create widgets");
behaviors().set_tp_new(PyMake);
// you must have overwritten the virtual functions
behaviors().supportRepr();
behaviors().supportGetattr();
behaviors().supportSetattr();
add_varargs_method("load",&UiLoaderPy::load,"load(string, QWidget parent=None) -> QWidget\n"
"load(QIODevice, QWidget parent=None) -> QWidget");
add_varargs_method("createWidget",&UiLoaderPy::createWidget,"createWidget()");
}
UiLoaderPy::UiLoaderPy()
{
}
UiLoaderPy::~UiLoaderPy()
{
}
Py::Object UiLoaderPy::repr()
{
std::string s;
std::ostringstream s_out;
s_out << "Ui loader";
return Py::String(s_out.str());
}
Py::Object UiLoaderPy::load(const Py::Tuple& args)
{
Gui::PythonWrapper wrap;
if (wrap.loadCoreModule()) {
std::string fn;
QFile file;
QIODevice* device = 0;
QWidget* parent = 0;
if (wrap.toCString(args[0], fn)) {
file.setFileName(QString::fromUtf8(fn.c_str()));
if (!file.open(QFile::ReadOnly))
throw Py::RuntimeError("Cannot open file");
device = &file;
}
else if (args[0].isString()) {
fn = (std::string)Py::String(args[0]);
file.setFileName(QString::fromUtf8(fn.c_str()));
if (!file.open(QFile::ReadOnly))
throw Py::RuntimeError("Cannot open file");
device = &file;
}
else {
QObject* obj = wrap.toQObject(args[0]);
device = qobject_cast<QIODevice*>(obj);
}
if (args.size() > 1) {
QObject* obj = wrap.toQObject(args[1]);
parent = qobject_cast<QWidget*>(obj);
}
if (device) {
QWidget* widget = loader.load(device, parent);
if (widget) {
wrap.loadGuiModule();
wrap.loadWidgetsModule();
const char* typeName = wrap.getWrapperName(widget);
Py::Object pyWdg = wrap.fromQWidget(widget, typeName);
wrap.createChildrenNameAttributes(*pyWdg, widget);
wrap.setParent(*pyWdg, parent);
return pyWdg;
}
}
else {
throw Py::TypeError("string or QIODevice expected");
}
}
return Py::None();
}
Py::Object UiLoaderPy::createWidget(const Py::Tuple& args)
{
Gui::PythonWrapper wrap;
// 1st argument
Py::String str(args[0]);
std::string className;
#if PY_MAJOR_VERSION >= 3
className = str.as_std_string("utf-8");
#else
if (str.isUnicode()) {
className = str.as_std_string("utf-8");
}
else {
className = (std::string)str;
}
#endif
// 2nd argument
QWidget* parent = 0;
if (wrap.loadCoreModule() && args.size() > 1) {
QObject* object = wrap.toQObject(args[1]);
if (object)
parent = qobject_cast<QWidget*>(object);
}
// 3rd argument
std::string objectName;
if (args.size() > 2) {
Py::String str(args[2]);
#if PY_MAJOR_VERSION >= 3
objectName = str.as_std_string("utf-8");
#else
if (str.isUnicode()) {
objectName = str.as_std_string("utf-8");
}
else {
objectName = (std::string)str;
}
#endif
}
QWidget* widget = loader.createWidget(QString::fromLatin1(className.c_str()), parent,
QString::fromLatin1(objectName.c_str()));
if (!widget) {
std::string err = "No such widget class '";
err += className;
err += "'";
throw Py::RuntimeError(err);
}
wrap.loadGuiModule();
wrap.loadWidgetsModule();
const char* typeName = wrap.getWrapperName(widget);
return wrap.fromQWidget(widget, typeName);
}
// ----------------------------------------------------
WidgetFactorySupplier* WidgetFactorySupplier::_pcSingleton = 0L;
WidgetFactorySupplier & WidgetFactorySupplier::instance()
{
// not initialized?
if (!_pcSingleton)
_pcSingleton = new WidgetFactorySupplier;
return *_pcSingleton;
}
void WidgetFactorySupplier::destruct()
{
// delete the widget factory and all its producers first
WidgetFactoryInst::destruct();
delete _pcSingleton;