diff options
Diffstat (limited to 'sources/pyside6/plugins/uitools/customwidget.cpp')
-rw-r--r-- | sources/pyside6/plugins/uitools/customwidget.cpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/sources/pyside6/plugins/uitools/customwidget.cpp b/sources/pyside6/plugins/uitools/customwidget.cpp new file mode 100644 index 000000000..976754feb --- /dev/null +++ b/sources/pyside6/plugins/uitools/customwidget.cpp @@ -0,0 +1,104 @@ +// Copyright (C) 2020 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#include "customwidget.h" +#include <QtCore/qdebug.h> + +// Part of the static plugin linked to the QtUiLoader Python module, +// allowing it to create a custom widget written in Python. +PyCustomWidget::PyCustomWidget(PyObject *objectType) : + m_pyObject(objectType), + m_name(QString::fromUtf8(reinterpret_cast<PyTypeObject *>(objectType)->tp_name)) +{ +} + +bool PyCustomWidget::isContainer() const +{ + return false; +} + +bool PyCustomWidget::isInitialized() const +{ + return m_initialized; +} + +QIcon PyCustomWidget::icon() const +{ + return {}; +} + +QString PyCustomWidget::domXml() const +{ + return {}; +} + +QString PyCustomWidget::group() const +{ + return {}; +} + +QString PyCustomWidget::includeFile() const +{ + return {}; +} + +QString PyCustomWidget::name() const +{ + return m_name; +} + +QString PyCustomWidget::toolTip() const +{ + return {}; +} + +QString PyCustomWidget::whatsThis() const +{ + return {}; +} + +// A copy of this code exists in PyDesignerCustomWidget::createWidget() +// (see sources/pyside6/PySide6/QtDesigner/qpydesignercustomwidgetcollection.cpp). +QWidget *PyCustomWidget::createWidget(QWidget *parent) +{ + // Create a python instance and return cpp object + PyObject *pyParent = nullptr; + bool unknownParent = false; + if (parent != nullptr) { + pyParent = reinterpret_cast<PyObject *>(Shiboken::BindingManager::instance().retrieveWrapper(parent)); + if (pyParent != nullptr) { + Py_INCREF(pyParent); + } else { + static Shiboken::Conversions::SpecificConverter converter("QWidget*"); + pyParent = converter.toPython(&parent); + unknownParent = true; + } + } else { + Py_INCREF(Py_None); + pyParent = Py_None; + } + + Shiboken::AutoDecRef pyArgs(PyTuple_New(1)); + PyTuple_SET_ITEM(pyArgs.object(), 0, pyParent); // tuple will keep pyParent reference + + // Call python constructor + auto *result = reinterpret_cast<SbkObject *>(PyObject_CallObject(m_pyObject, pyArgs)); + if (result == nullptr) { + qWarning("Unable to create a Python custom widget of type \"%s\".", + qPrintable(m_name)); + PyErr_Print(); + return nullptr; + } + + if (unknownParent) // if parent does not exist in python, transfer the ownership to cpp + Shiboken::Object::releaseOwnership(result); + else + Shiboken::Object::setParent(pyParent, reinterpret_cast<PyObject *>(result)); + + return reinterpret_cast<QWidget *>(Shiboken::Object::cppPointer(result, Py_TYPE(result))); +} + +void PyCustomWidget::initialize(QDesignerFormEditorInterface *) +{ + m_initialized = true; +} |