/
WidgetFactory.cpp
1284 lines (1127 loc) · 38.5 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 <QTextStream>
#endif
// Uncomment this block to remove PySide support and switch back to PyQt
// #undef HAVE_SHIBOKEN
// #undef HAVE_PYSIDE
#ifdef FC_OS_WIN32
#undef max
#undef min
#ifdef _MSC_VER
#pragma warning( disable : 4099 )
#pragma warning( disable : 4522 )
#endif
#endif
#ifdef __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 <conversions.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 __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) && defined(HAVE_PYSIDE)
namespace Shiboken {
template<> struct Converter<Base::Quantity>
{
static inline bool checkType(PyObject* pyObj) {
return PyObject_TypeCheck(pyObj, &(Base::QuantityPy::Type));
}
static inline bool isConvertible(PyObject* pyObj) {
return PyObject_TypeCheck(pyObj, &(Base::QuantityPy::Type));
}
static inline PyObject* toPython(void* cppobj) {
return toPython(*reinterpret_cast<Base::Quantity*>(cppobj));
}
static inline PyObject* toPython(Base::Quantity cpx) {
return new Base::QuantityPy(new Base::Quantity(cpx));
}
static inline Base::Quantity toCpp(PyObject* pyobj) {
Base::Quantity q = *static_cast<Base::QuantityPy*>(pyobj)->getQuantityPtr();
return q;
}
};
}
PyObject* toPythonFuncQuantity(const void* cpp)
{
return Shiboken::Converter<Base::Quantity>::toPython(const_cast<void*>(cpp));
}
void toCppPointerConvFuncQuantity(PyObject*,void*)
{
}
PythonToCppFunc toCppPointerCheckFuncQuantity(PyObject* obj)
{
if (Shiboken::Converter<Base::Quantity>::isConvertible(obj))
return toCppPointerConvFuncQuantity;
else
return 0;
}
void registerTypes()
{
SbkConverter* convert = Shiboken::Conversions::createConverter(&Base::QuantityPy::Type, toPythonFuncQuantity);
Shiboken::Conversions::setPythonToCppPointerFunctions(convert, toCppPointerConvFuncQuantity, toCppPointerCheckFuncQuantity);
Shiboken::Conversions::registerConverterName(convert, "Base::Quantity");
}
#endif
// --------------------------------------------------------
PythonWrapper::PythonWrapper()
{
#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
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());
str = PyString_AsString(unicode);
Py_DECREF(unicode);
return true;
}
else if (PyString_Check(pyobject.ptr())) {
str = PyString_AsString(pyobject.ptr());
return true;
}
#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);
}
}
#else
Py::Module mainmod(PyImport_AddModule((char*)"sip"));
Py::Callable func = mainmod.getDict().getItem("unwrapinstance");
Py::Tuple arguments(1);
arguments[0] = pyobject; //PyQt pointer
Py::Object result = func.apply(arguments);
void* ptr = PyLong_AsVoidPtr(result.ptr());
return reinterpret_cast<QObject*>(ptr);
#endif
return 0;
}
Py::Object PythonWrapper::fromQIcon(const QIcon* icon)
{
#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
PyObject* pyobj = Shiboken::createWrapper<QIcon>(icon, true);
if (pyobj)
return Py::asObject(pyobj);
#endif
throw Py::RuntimeError("Failed to wrap icon");
}
Py::Object PythonWrapper::fromQWidget(QWidget* widget, const char* className)
{
#if defined (HAVE_SHIBOKEN) && defined(HAVE_PYSIDE)
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");
#else
Q_UNUSED(className);
Py::Module sipmod(PyImport_AddModule((char*)"sip"));
Py::Callable func = sipmod.getDict().getItem("wrapinstance");
Py::Tuple arguments(2);
arguments[0] = Py::asObject(PyLong_FromVoidPtr(widget));
Py::Module qtmod(PyImport_ImportModule((char*)"PyQt4.Qt"));
arguments[1] = qtmod.getDict().getItem("QWidget");
return func.apply(arguments);
#endif
}
bool PythonWrapper::loadCoreModule()
{
#if 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_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;
}
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) {
Shiboken::AutoDecRef pyChild(Shiboken::Conversions::pointerToPython((SbkObjectType*)SbkPySide_QtCoreTypes[SBK_QOBJECT_IDX], child));
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) {
Shiboken::AutoDecRef pyParent(Shiboken::Conversions::pointerToPython((SbkObjectType*)SbkPySide_QtGuiTypes[SBK_QWIDGET_IDX], parent));
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
str << "import pysideuic\n"
<< "from PySide import QtCore, QtGui\n"
<< "import xml.etree.ElementTree as xml\n"
<< "from cStringIO 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 in 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";
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";
#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();
Py::Object pyWdg = wrap.fromQWidget(widget);
wrap.createChildrenNameAttributes(*pyWdg, widget);
wrap.setParent(*pyWdg, parent);
return pyWdg;
}
}
else {
throw Py::Exception("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 (str.isUnicode()) {
className = str.as_std_string("utf-8");
}
else {
className = (std::string)str;
}
// 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 (str.isUnicode()) {
objectName = str.as_std_string("utf-8");
}
else {
objectName = (std::string)str;
}
}
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();
return wrap.fromQWidget(widget);
}
// ----------------------------------------------------
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;
_pcSingleton=0;
}
// ----------------------------------------------------
PrefPageUiProducer::PrefPageUiProducer (const char* filename, const char* group)
: fn(QString::fromUtf8(filename))
{
WidgetFactoryInst::instance().AddProducer(filename, this);
Gui::Dialog::DlgPreferencesImp::addPage(filename, group);
}
PrefPageUiProducer::~PrefPageUiProducer()
{
}
void* PrefPageUiProducer::Produce () const
{
QWidget* page = new Gui::Dialog::PreferenceUiForm(fn);
return (void*)page;
}
// ----------------------------------------------------
PrefPagePyProducer::PrefPagePyProducer (const Py::Object& p, const char* group)
: type(p)
{
std::string str;
Base::PyGILStateLocker lock;
if (type.hasAttr("__name__")) {
str = static_cast<std::string>(Py::String(type.getAttr("__name__")));
}
WidgetFactoryInst::instance().AddProducer(str.c_str(), this);
Gui::Dialog::DlgPreferencesImp::addPage(str, group);
}
PrefPagePyProducer::~PrefPagePyProducer ()
{
Base::PyGILStateLocker lock;
type = Py::None();
}
void* PrefPagePyProducer::Produce () const
{
Base::PyGILStateLocker lock;
try {
Py::Callable method(type);
Py::Tuple args;
Py::Object page = method.apply(args);
QWidget* widget = new Gui::Dialog::PreferencePagePython(page);
if (!widget->layout()) {
delete widget;
widget = 0;
}
return widget;
}
catch (Py::Exception& e) {
e.clear();
return 0;
}
}
// ----------------------------------------------------
using namespace Gui::Dialog;
PreferencePagePython::PreferencePagePython(const Py::Object& p, QWidget* parent)
: PreferencePage(parent), page(p)
{
Base::PyGILStateLocker lock;
Gui::PythonWrapper wrap;
if (wrap.loadCoreModule()) {
// old style class must have a form attribute while
// new style classes can be the widget itself
Py::Object widget;
if (page.hasAttr(std::string("form")))
widget = page.getAttr(std::string("form"));
else
widget = page;
QObject* object = wrap.toQObject(widget);
if (object) {
QWidget* form = qobject_cast<QWidget*>(object);
if (form) {
this->setWindowTitle(form->windowTitle());
QVBoxLayout *layout = new QVBoxLayout;
layout->addWidget(form);
setLayout(layout);
}
}
}
}
PreferencePagePython::~PreferencePagePython()
{
Base::PyGILStateLocker lock;
page = Py::None();
}
void PreferencePagePython::changeEvent(QEvent *e)
{
QWidget::changeEvent(e);
}
void PreferencePagePython::loadSettings()
{
Base::PyGILStateLocker lock;
try {
if (page.hasAttr(std::string("loadSettings"))) {
Py::Callable method(page.getAttr(std::string("loadSettings")));
Py::Tuple args;
method.apply(args);
}
}
catch (Py::Exception&) {
Base::PyException e; // extract the Python error text
e.ReportException();
}
}
void PreferencePagePython::saveSettings()
{
Base::PyGILStateLocker lock;
try {
if (page.hasAttr(std::string("saveSettings"))) {
Py::Callable method(page.getAttr(std::string("saveSettings")));
Py::Tuple args;
method.apply(args);
}
}
catch (Py::Exception&) {
Base::PyException e; // extract the Python error text
e.ReportException();
}
}
// ----------------------------------------------------
/* TRANSLATOR Gui::ContainerDialog */
/**
* Constructs a ContainerDialog which embeds the child \a templChild.
* The dialog will be modal.
*/
ContainerDialog::ContainerDialog( QWidget* templChild )
: QDialog( QApplication::activeWindow())
{
setModal(true);
setWindowTitle( templChild->objectName() );
setObjectName( templChild->objectName() );
setSizeGripEnabled( true );
MyDialogLayout = new QGridLayout(this);
buttonOk = new QPushButton(this);
buttonOk->setObjectName(QLatin1String("buttonOK"));
buttonOk->setText( tr( "&OK" ) );
buttonOk->setAutoDefault( true );
buttonOk->setDefault( true );
MyDialogLayout->addWidget( buttonOk, 1, 0 );
QSpacerItem* spacer = new QSpacerItem( 210, 20, QSizePolicy::Expanding, QSizePolicy::Minimum );
MyDialogLayout->addItem( spacer, 1, 1 );
buttonCancel = new QPushButton(this);
buttonCancel->setObjectName(QLatin1String("buttonCancel"));
buttonCancel->setText( tr( "&Cancel" ) );
buttonCancel->setAutoDefault( true );
MyDialogLayout->addWidget( buttonCancel, 1, 2 );
templChild->setParent(this);
MyDialogLayout->addWidget( templChild, 0, 0, 0, 2 );
resize( QSize(307, 197).expandedTo(minimumSizeHint()) );
// signals and slots connections
connect( buttonOk, SIGNAL( clicked() ), this, SLOT( accept() ) );
connect( buttonCancel, SIGNAL( clicked() ), this, SLOT( reject() ) );
}
/** Destroys the object and frees any allocated resources */
ContainerDialog::~ContainerDialog()
{
}
// ----------------------------------------------------
void PyResource::init_type()
{
behaviors().name("PyResource");
behaviors().doc("PyResource");
// you must have overwritten the virtual functions
behaviors().supportRepr();
behaviors().supportGetattr();
behaviors().supportSetattr();
add_varargs_method("value",&PyResource::value);
add_varargs_method("setValue",&PyResource::setValue);
add_varargs_method("show",&PyResource::show);
add_varargs_method("connect",&PyResource::connect);
}
PyResource::PyResource() : myDlg(0)
{
}
PyResource::~PyResource()
{
delete myDlg;
for (std::vector<SignalConnect*>::iterator it = mySingals.begin(); it != mySingals.end(); ++it) {
SignalConnect* sc = *it;
delete sc;
}
}
/**
* Loads an .ui file with the name \a name. If the .ui file cannot be found or the QWidgetFactory
* cannot create an instance an exception is thrown. If the created resource does not inherit from
* QDialog an instance of ContainerDialog is created to embed it.
*/
void PyResource::load(const char* name)
{
QString fn = QString::fromUtf8(name);
QFileInfo fi(fn);
// checks whether it's a relative path
if (fi.isRelative()) {
QString cwd = QDir::currentPath ();
QString home= QDir(QString::fromUtf8(App::GetApplication().getHomePath())).path();
// search in cwd and home path for the file
//
// file does not reside in cwd, check home path now
if (!fi.exists()) {
if (cwd == home) {
QString what = QObject::tr("Cannot find file %1").arg(fi.absoluteFilePath());
throw Base::Exception(what.toUtf8().constData());
}
else {
fi.setFile( QDir(home), fn );
if (!fi.exists()) {
QString what = QObject::tr("Cannot find file %1 neither in %2 nor in %3")
.arg(fn).arg(cwd).arg(home);
throw Base::Exception(what.toUtf8().constData());
}
else {
fn = fi.absoluteFilePath(); // file resides in FreeCAD's home directory
}
}
}
}
else {
if (!fi.exists()) {
QString what = QObject::tr("Cannot find file %1").arg(fn);
throw Base::Exception(what.toUtf8().constData());
}
}
QWidget* w=0;
try {
UiLoader loader;
#if QT_VERSION >= 0x040500
loader.setLanguageChangeEnabled(true);
#endif
QFile file(fn);
if (file.open(QFile::ReadOnly))
w = loader.load(&file, QApplication::activeWindow());
file.close();
}
catch (...) {
throw Base::Exception("Cannot create resource");