declarativemargins.cpp
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r0 | /**************************************************************************** | ||
** | ||||
** Copyright (C) 2016 The Qt Company Ltd. | ||||
** Contact: https://www.qt.io/licensing/ | ||||
** | ||||
** This file is part of the Qt Charts module of the Qt Toolkit. | ||||
** | ||||
** $QT_BEGIN_LICENSE:GPL$ | ||||
** 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 General Public License Usage | ||||
** Alternatively, this file may be used under the terms of the GNU | ||||
** General Public License version 3 or (at your option) 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.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-3.0.html. | ||||
** | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
#include "declarativemargins.h" | ||||
#include <QtCore/QDataStream> | ||||
#include <QtCore/QDebug> | ||||
QT_CHARTS_BEGIN_NAMESPACE | ||||
/*! | ||||
\qmltype Margins | ||||
\inqmlmodule QtCharts | ||||
\brief Type is used to define margins. | ||||
Uncreatable type that is used to define top, bottom, left and right margins. | ||||
*/ | ||||
/*! | ||||
\qmlproperty int Margins::top | ||||
The top margin. | ||||
*/ | ||||
/*! | ||||
\qmlproperty int Margins::bottom | ||||
The bottom margin. | ||||
*/ | ||||
/*! | ||||
\qmlproperty int Margins::left | ||||
The left margin. | ||||
*/ | ||||
/*! | ||||
\qmlproperty int Margins::right | ||||
The right margin. | ||||
*/ | ||||
DeclarativeMargins::DeclarativeMargins(QObject *parent) : | ||||
QObject(parent) | ||||
{ | ||||
QMargins::setTop(0); | ||||
QMargins::setBottom(0); | ||||
QMargins::setLeft(0); | ||||
QMargins::setRight(0); | ||||
} | ||||
void DeclarativeMargins::setTop(int top) | ||||
{ | ||||
if (top < 0) { | ||||
qWarning() << "Cannot set top margin to a negative value:" << top; | ||||
} else { | ||||
if (top != QMargins::top()) { | ||||
QMargins::setTop(top); | ||||
emit topChanged(QMargins::top(), QMargins::bottom(), QMargins::left(), QMargins::right()); | ||||
} | ||||
} | ||||
} | ||||
void DeclarativeMargins::setBottom(int bottom) | ||||
{ | ||||
if (bottom < 0) { | ||||
qWarning() << "Cannot set bottom margin to a negative value:" << bottom; | ||||
} else { | ||||
if (bottom != QMargins::bottom()) { | ||||
QMargins::setBottom(bottom); | ||||
emit bottomChanged(QMargins::top(), QMargins::bottom(), QMargins::left(), QMargins::right()); | ||||
} | ||||
} | ||||
} | ||||
void DeclarativeMargins::setLeft(int left) | ||||
{ | ||||
if (left < 0) { | ||||
qWarning() << "Cannot set left margin to a negative value:" << left; | ||||
} else { | ||||
if (left != QMargins::left()) { | ||||
QMargins::setLeft(left); | ||||
emit leftChanged(QMargins::top(), QMargins::bottom(), QMargins::left(), QMargins::right()); | ||||
} | ||||
} | ||||
} | ||||
void DeclarativeMargins::setRight(int right) | ||||
{ | ||||
if (right < 0) { | ||||
qWarning() << "Cannot set left margin to a negative value:" << right; | ||||
} else { | ||||
if (right != QMargins::right()) { | ||||
QMargins::setRight(right); | ||||
emit rightChanged(QMargins::top(), QMargins::bottom(), QMargins::left(), QMargins::right()); | ||||
} | ||||
} | ||||
} | ||||
#include "moc_declarativemargins.cpp" | ||||
QT_CHARTS_END_NAMESPACE | ||||