| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the Qt Charts module of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:GPL$ | 
| 9 | ** Commercial License Usage | 
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
| 11 | ** accordance with the commercial license agreement provided with the | 
| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
| 16 | ** | 
| 17 | ** GNU General Public License Usage | 
| 18 | ** Alternatively, this file may be used under the terms of the GNU | 
| 19 | ** General Public License version 3 or (at your option) any later version | 
| 20 | ** approved by the KDE Free Qt Foundation. The licenses are as published by | 
| 21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 | 
| 22 | ** included in the packaging of this file. Please review the following | 
| 23 | ** information to ensure the GNU General Public License requirements will | 
| 24 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. | 
| 25 | ** | 
| 26 | ** $QT_END_LICENSE$ | 
| 27 | ** | 
| 28 | ****************************************************************************/ | 
| 29 |  | 
| 30 | #include "declarativemargins_p.h" | 
| 31 | #include <QtCore/QDataStream> | 
| 32 | #include <QtCore/QDebug> | 
| 33 |  | 
| 34 | QT_CHARTS_BEGIN_NAMESPACE | 
| 35 |  | 
| 36 | /*! | 
| 37 |     \qmltype Margins | 
| 38 |     \inqmlmodule QtCharts | 
| 39 |  | 
| 40 |     \brief Defines margins between the edge of the chart rectangle and the plot | 
| 41 |     area. | 
| 42 |  | 
| 43 |     An uncreatable type that is used to define the top, bottom, left, and right | 
| 44 |     margins. The margins are used for drawing the title, axes, and legend. | 
| 45 |  | 
| 46 |     \sa {ChartView::margins}{ChartView.margins} | 
| 47 | */ | 
| 48 |  | 
| 49 | /*! | 
| 50 |     \qmlproperty int Margins::top | 
| 51 |     The top margin. | 
| 52 | */ | 
| 53 |  | 
| 54 | /*! | 
| 55 |     \qmlproperty int Margins::bottom | 
| 56 |     The bottom margin. | 
| 57 | */ | 
| 58 |  | 
| 59 | /*! | 
| 60 |     \qmlproperty int Margins::left | 
| 61 |     The left margin. | 
| 62 | */ | 
| 63 |  | 
| 64 | /*! | 
| 65 |     \qmlproperty int Margins::right | 
| 66 |     The right margin. | 
| 67 | */ | 
| 68 |  | 
| 69 | DeclarativeMargins::DeclarativeMargins(QObject *parent) : | 
| 70 |     QObject(parent) | 
| 71 | { | 
| 72 |     QMargins::setTop(0); | 
| 73 |     QMargins::setBottom(0); | 
| 74 |     QMargins::setLeft(0); | 
| 75 |     QMargins::setRight(0); | 
| 76 | } | 
| 77 |  | 
| 78 | void DeclarativeMargins::setTop(int top) | 
| 79 | { | 
| 80 |     if (top < 0) { | 
| 81 |         qWarning() << "Cannot set top margin to a negative value:"  << top; | 
| 82 |     } else { | 
| 83 |         if (top != QMargins::top()) { | 
| 84 |             QMargins::setTop(top); | 
| 85 |             emit topChanged(top: QMargins::top(), bottom: QMargins::bottom(), left: QMargins::left(), right: QMargins::right()); | 
| 86 |         } | 
| 87 |     } | 
| 88 | } | 
| 89 |  | 
| 90 | void DeclarativeMargins::setBottom(int bottom) | 
| 91 | { | 
| 92 |     if (bottom < 0) { | 
| 93 |         qWarning() << "Cannot set bottom margin to a negative value:"  << bottom; | 
| 94 |     } else { | 
| 95 |         if (bottom != QMargins::bottom()) { | 
| 96 |             QMargins::setBottom(bottom); | 
| 97 |             emit bottomChanged(top: QMargins::top(), bottom: QMargins::bottom(), left: QMargins::left(), right: QMargins::right()); | 
| 98 |         } | 
| 99 |     } | 
| 100 | } | 
| 101 |  | 
| 102 | void DeclarativeMargins::setLeft(int left) | 
| 103 | { | 
| 104 |     if (left < 0) { | 
| 105 |         qWarning() << "Cannot set left margin to a negative value:"  << left; | 
| 106 |     } else { | 
| 107 |         if (left != QMargins::left()) { | 
| 108 |             QMargins::setLeft(left); | 
| 109 |             emit leftChanged(top: QMargins::top(), bottom: QMargins::bottom(), left: QMargins::left(), right: QMargins::right()); | 
| 110 |         } | 
| 111 |     } | 
| 112 | } | 
| 113 |  | 
| 114 | void DeclarativeMargins::setRight(int right) | 
| 115 | { | 
| 116 |     if (right < 0) { | 
| 117 |         qWarning() << "Cannot set left margin to a negative value:"  << right; | 
| 118 |     } else { | 
| 119 |         if (right != QMargins::right()) { | 
| 120 |             QMargins::setRight(right); | 
| 121 |             emit rightChanged(top: QMargins::top(), bottom: QMargins::bottom(), left: QMargins::left(), right: QMargins::right()); | 
| 122 |         } | 
| 123 |     } | 
| 124 | } | 
| 125 |  | 
| 126 | QT_CHARTS_END_NAMESPACE | 
| 127 |  | 
| 128 | #include "moc_declarativemargins_p.cpp" | 
| 129 |  |