diff options
Diffstat (limited to 'src/widgets/kernel/qgridlayout.cpp')
| -rw-r--r-- | src/widgets/kernel/qgridlayout.cpp | 53 |
1 files changed, 18 insertions, 35 deletions
diff --git a/src/widgets/kernel/qgridlayout.cpp b/src/widgets/kernel/qgridlayout.cpp index 5434c40f97..10d338c40c 100644 --- a/src/widgets/kernel/qgridlayout.cpp +++ b/src/widgets/kernel/qgridlayout.cpp @@ -1,40 +1,32 @@ /**************************************************************************** ** -** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the QtWidgets module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL$ +** $QT_BEGIN_LICENSE:LGPL21$ ** 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 Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/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 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** 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. ** ** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception +** rights. These rights are described in the Digia Qt 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 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** ** $QT_END_LICENSE$ ** ****************************************************************************/ @@ -1430,20 +1422,6 @@ void QGridLayout::addItem(QLayoutItem *item, int row, int column, int rowSpan, i invalidate(); } -/* - Returns \c true if the widget \a w can be added to the layout \a l; - otherwise returns \c false. -*/ -static bool checkWidget(QLayout *l, QWidget *w) -{ - if (!w) { - qWarning("QLayout: Cannot add null widget to %s/%s", l->metaObject()->className(), - l->objectName().toLocal8Bit().data()); - return false; - } - return true; -} - /*! Adds the given \a widget to the cell grid at \a row, \a column. The top-left position is (0, 0) by default. @@ -1454,7 +1432,8 @@ static bool checkWidget(QLayout *l, QWidget *w) */ void QGridLayout::addWidget(QWidget *widget, int row, int column, Qt::Alignment alignment) { - if (!checkWidget(this, widget)) + Q_D(QGridLayout); + if (!d->checkWidget(widget)) return; if (row < 0 || column < 0) { qWarning("QGridLayout: Cannot add %s/%s to %s/%s at row %d column %d", @@ -1483,7 +1462,7 @@ void QGridLayout::addWidget(QWidget *widget, int fromRow, int fromColumn, int rowSpan, int columnSpan, Qt::Alignment alignment) { Q_D(QGridLayout); - if (!checkWidget(this, widget)) + if (!d->checkWidget(widget)) return; int toRow = (rowSpan < 0) ? -1 : fromRow + rowSpan - 1; int toColumn = (columnSpan < 0) ? -1 : fromColumn + columnSpan - 1; @@ -1518,6 +1497,8 @@ void QGridLayout::addWidget(QWidget *widget, int fromRow, int fromColumn, void QGridLayout::addLayout(QLayout *layout, int row, int column, Qt::Alignment alignment) { Q_D(QGridLayout); + if (!d->checkLayout(layout)) + return; if (!adoptLayout(layout)) return; QGridBox *b = new QGridBox(layout); @@ -1538,6 +1519,8 @@ void QGridLayout::addLayout(QLayout *layout, int row, int column, int rowSpan, int columnSpan, Qt::Alignment alignment) { Q_D(QGridLayout); + if (!d->checkLayout(layout)) + return; if (!adoptLayout(layout)) return; QGridBox *b = new QGridBox(layout); |