diff options
Diffstat (limited to 'src/widgets/kernel/qstackedlayout.cpp')
| -rw-r--r-- | src/widgets/kernel/qstackedlayout.cpp | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/src/widgets/kernel/qstackedlayout.cpp b/src/widgets/kernel/qstackedlayout.cpp index 957b6f09b5..05f7f39f0f 100644 --- a/src/widgets/kernel/qstackedlayout.cpp +++ b/src/widgets/kernel/qstackedlayout.cpp @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtWidgets module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** 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 http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** 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 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** 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. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** 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. ** ** $QT_END_LICENSE$ ** @@ -57,7 +63,7 @@ QLayoutItem* QStackedLayoutPrivate::replaceAt(int idx, QLayoutItem *newitem) if (idx < 0 || idx >= list.size() || !newitem) return 0; QWidget *wdg = newitem->widget(); - if (!wdg) { + if (Q_UNLIKELY(!wdg)) { qWarning("QStackedLayout::replaceAt: Only widgets can be added"); return 0; } @@ -367,7 +373,7 @@ int QStackedLayout::currentIndex() const void QStackedLayout::setCurrentWidget(QWidget *widget) { int index = indexOf(widget); - if (index == -1) { + if (Q_UNLIKELY(index == -1)) { qWarning("QStackedLayout::setCurrentWidget: Widget %p not contained in stack", widget); return; } @@ -420,12 +426,12 @@ int QStackedLayout::count() const void QStackedLayout::addItem(QLayoutItem *item) { QWidget *widget = item->widget(); - if (widget) { - addWidget(widget); - delete item; - } else { + if (Q_UNLIKELY(!widget)) { qWarning("QStackedLayout::addItem: Only widgets can be added"); + return; } + addWidget(widget); + delete item; } /*! |