From 39236c01ae6c9bc99ee3a02d8294679e12d9b734 Mon Sep 17 00:00:00 2001 From: Oswald Buddenhagen Date: Mon, 22 May 2017 16:44:51 +0200 Subject: move everying into sources/pyside2 in preparation for a subtree merge. this should not be necessary to do in a separate commit, but git is a tad stupid about following history correctly without it. --- .../QtWidgets/glue/qlayout_help_functions.cpp | 161 +++++++++++++++++++++ 1 file changed, 161 insertions(+) create mode 100644 sources/pyside2/PySide2/QtWidgets/glue/qlayout_help_functions.cpp (limited to 'sources/pyside2/PySide2/QtWidgets/glue/qlayout_help_functions.cpp') diff --git a/sources/pyside2/PySide2/QtWidgets/glue/qlayout_help_functions.cpp b/sources/pyside2/PySide2/QtWidgets/glue/qlayout_help_functions.cpp new file mode 100644 index 000000000..e1d2ffc4d --- /dev/null +++ b/sources/pyside2/PySide2/QtWidgets/glue/qlayout_help_functions.cpp @@ -0,0 +1,161 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of PySide2. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +void addLayoutOwnership(QLayout* layout, QLayoutItem* item); +void removeLayoutOwnership(QLayout* layout, QWidget* widget); + +inline QByteArray retrieveObjectName(PyObject* obj) +{ + Shiboken::AutoDecRef objName(PyObject_Str(obj)); + return Shiboken::String::toCString(objName); +} + +inline void addLayoutOwnership(QLayout* layout, QWidget* widget) +{ + //transfer ownership to parent widget + QWidget *lw = layout->parentWidget(); + QWidget *pw = widget->parentWidget(); + + Shiboken::AutoDecRef pyChild(%CONVERTTOPYTHON[QWidget*](widget)); + + //Transfer parent to layout widget + if (pw && lw && pw != lw) + Shiboken::Object::setParent(0, pyChild); + + if (!lw && !pw) { + //keep the reference while the layout is orphan + Shiboken::AutoDecRef pyParent(%CONVERTTOPYTHON[QWidget*](layout)); + Shiboken::Object::keepReference(reinterpret_cast(pyParent.object()), retrieveObjectName(pyParent).data(), pyChild, true); + } else { + if (!lw) + lw = pw; + Shiboken::AutoDecRef pyParent(%CONVERTTOPYTHON[QWidget*](lw)); + Shiboken::Object::setParent(pyParent, pyChild); + } +} + +inline void addLayoutOwnership(QLayout* layout, QLayout* other) +{ + //transfer all children widgets from other to layout parent widget + QWidget* parent = layout->parentWidget(); + if (!parent) { + //keep the reference while the layout is orphan + Shiboken::AutoDecRef pyParent(%CONVERTTOPYTHON[QLayout*](layout)); + Shiboken::AutoDecRef pyChild(%CONVERTTOPYTHON[QLayout*](other)); + Shiboken::Object::keepReference(reinterpret_cast(pyParent.object()), retrieveObjectName(pyParent).data(), pyChild, true); + return; + } + + for (int i=0, i_max=other->count(); i < i_max; i++) { + QLayoutItem* item = other->itemAt(i); + if (PyErr_Occurred() || !item) + return; + addLayoutOwnership(layout, item); + } + + Shiboken::AutoDecRef pyParent(%CONVERTTOPYTHON[QLayout*](layout)); + Shiboken::AutoDecRef pyChild(%CONVERTTOPYTHON[QLayout*](other)); + Shiboken::Object::setParent(pyParent, pyChild); +} + +inline void addLayoutOwnership(QLayout* layout, QLayoutItem* item) +{ + if (!item) + return; + + QWidget* w = item->widget(); + if (w) + addLayoutOwnership(layout, w); + else { + QLayout* l = item->layout(); + if (l) + addLayoutOwnership(layout, l); + } + + Shiboken::AutoDecRef pyParent(%CONVERTTOPYTHON[QLayout*](layout)); + Shiboken::AutoDecRef pyChild(%CONVERTTOPYTHON[QLayoutItem*](item)); + Shiboken::Object::setParent(pyParent, pyChild); +} + +static void removeWidgetFromLayout(QLayout* layout, QWidget* widget) +{ + QWidget* parent = widget->parentWidget(); + + if (!parent) { + //remove reference on layout + Shiboken::AutoDecRef pyParent(%CONVERTTOPYTHON[QWidget*](layout)); + Shiboken::AutoDecRef pyChild(%CONVERTTOPYTHON[QWidget*](widget)); + Shiboken::Object::removeReference(reinterpret_cast(pyParent.object()), retrieveObjectName(pyParent).data(), pyChild); + } else { + //give the ownership to parent + Shiboken::AutoDecRef pyParent(%CONVERTTOPYTHON[QWidget*](parent)); + Shiboken::AutoDecRef pyChild(%CONVERTTOPYTHON[QWidget*](widget)); + Shiboken::Object::setParent(pyParent, pyChild); + } +} + +inline void removeLayoutOwnership(QLayout* layout, QLayoutItem* item) +{ + QWidget* w = item->widget(); + if (w) + removeWidgetFromLayout(layout, w); + else { + QLayout* l = item->layout(); + if (l && item != l) + removeLayoutOwnership(layout, l); + } + + Shiboken::AutoDecRef pyChild(%CONVERTTOPYTHON[QLayoutItem*](item)); + Shiboken::Object::invalidate(pyChild); + Shiboken::Object::setParent(0, pyChild); +} + +inline void removeLayoutOwnership(QLayout* layout, QWidget* widget) +{ + if (!widget) + return; + + for (int i=0, i_max=layout->count(); i < i_max; i++) { + QLayoutItem* item = layout->itemAt(i); + if (PyErr_Occurred() || !item) + return; + if (item->widget() == widget) + removeLayoutOwnership(layout, item); + } +} -- cgit v1.2.3