diff options
Diffstat (limited to 'src/widgets/util/qscroller.cpp')
| -rw-r--r-- | src/widgets/util/qscroller.cpp | 46 |
1 files changed, 26 insertions, 20 deletions
diff --git a/src/widgets/util/qscroller.cpp b/src/widgets/util/qscroller.cpp index 38b104f9e9..2d6bcf72c6 100644 --- a/src/widgets/util/qscroller.cpp +++ b/src/widgets/util/qscroller.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. ** ** $QT_END_LICENSE$ ** @@ -159,8 +165,8 @@ static qreal differentialForProgress(const QEasingCurve &curve, qreal pos) static qreal progressForValue(const QEasingCurve &curve, qreal value) { - if (curve.type() >= QEasingCurve::InElastic && - curve.type() < QEasingCurve::Custom) { + if (Q_UNLIKELY(curve.type() >= QEasingCurve::InElastic && + curve.type() < QEasingCurve::Custom)) { qWarning("progressForValue(): QEasingCurves of type %d do not have an inverse, since they are not injective.", curve.type()); return value; } @@ -1005,7 +1011,7 @@ bool QScroller::handleInput(Input input, const QPointF &position, qint64 timesta #if !defined(Q_DEAD_CODE_FROM_QT4_MAC) // the Mac version is implemented in qscroller_mac.mm -QPointF QScrollerPrivate::realDpi(int screen) +QPointF QScrollerPrivate::realDpi(int screen) const { # if defined(Q_DEAD_CODE_FROM_QT4_X11) && !defined(QT_NO_XRANDR) if (X11 && X11->use_xrandr && X11->ptrXRRSizes && X11->ptrXRRRootToScreen) { @@ -1176,9 +1182,9 @@ qreal QScrollerPrivate::scrollingSegmentsEndPos(Qt::Orientation orientation) con /*! \internal Checks if the scroller segment end in a valid position. */ -bool QScrollerPrivate::scrollingSegmentsValid(Qt::Orientation orientation) +bool QScrollerPrivate::scrollingSegmentsValid(Qt::Orientation orientation) const { - QQueue<ScrollSegment> *segments; + const QQueue<ScrollSegment> *segments; qreal minPos; qreal maxPos; @@ -1893,7 +1899,7 @@ void QScrollerPrivate::setContentPositionHelperScrolling() on a snap point. Returns the nearest snap position or NaN if no such point could be found. */ -qreal QScrollerPrivate::nextSnapPos(qreal p, int dir, Qt::Orientation orientation) +qreal QScrollerPrivate::nextSnapPos(qreal p, int dir, Qt::Orientation orientation) const { qreal bestSnapPos = Q_QNAN; qreal bestSnapPosDist = Q_INFINITY; |