| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
| 3 | |
| 4 | #include "declarativemargins_p.h" |
| 5 | #include <QtCore/QDataStream> |
| 6 | #include <QtCore/QDebug> |
| 7 | |
| 8 | QT_BEGIN_NAMESPACE |
| 9 | |
| 10 | /*! |
| 11 | \qmltype Margins |
| 12 | \inqmlmodule QtCharts |
| 13 | |
| 14 | \brief Defines margins between the edge of the chart rectangle and the plot |
| 15 | area. |
| 16 | |
| 17 | An uncreatable type that is used to define the top, bottom, left, and right |
| 18 | margins. The margins are used for drawing the title, axes, and legend. |
| 19 | |
| 20 | \sa {ChartView::margins}{ChartView.margins} |
| 21 | */ |
| 22 | |
| 23 | /*! |
| 24 | \qmlproperty int Margins::top |
| 25 | The top margin. |
| 26 | */ |
| 27 | |
| 28 | /*! |
| 29 | \qmlproperty int Margins::bottom |
| 30 | The bottom margin. |
| 31 | */ |
| 32 | |
| 33 | /*! |
| 34 | \qmlproperty int Margins::left |
| 35 | The left margin. |
| 36 | */ |
| 37 | |
| 38 | /*! |
| 39 | \qmlproperty int Margins::right |
| 40 | The right margin. |
| 41 | */ |
| 42 | |
| 43 | DeclarativeMargins::DeclarativeMargins(QObject *parent) : |
| 44 | QObject(parent) |
| 45 | { |
| 46 | QMargins::setTop(0); |
| 47 | QMargins::setBottom(0); |
| 48 | QMargins::setLeft(0); |
| 49 | QMargins::setRight(0); |
| 50 | } |
| 51 | |
| 52 | void DeclarativeMargins::setTop(int top) |
| 53 | { |
| 54 | if (top < 0) { |
| 55 | qWarning() << "Cannot set top margin to a negative value:" << top; |
| 56 | } else { |
| 57 | if (top != QMargins::top()) { |
| 58 | QMargins::setTop(top); |
| 59 | emit topChanged(top: QMargins::top(), bottom: QMargins::bottom(), left: QMargins::left(), right: QMargins::right()); |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | void DeclarativeMargins::setBottom(int bottom) |
| 65 | { |
| 66 | if (bottom < 0) { |
| 67 | qWarning() << "Cannot set bottom margin to a negative value:" << bottom; |
| 68 | } else { |
| 69 | if (bottom != QMargins::bottom()) { |
| 70 | QMargins::setBottom(bottom); |
| 71 | emit bottomChanged(top: QMargins::top(), bottom: QMargins::bottom(), left: QMargins::left(), right: QMargins::right()); |
| 72 | } |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | void DeclarativeMargins::setLeft(int left) |
| 77 | { |
| 78 | if (left < 0) { |
| 79 | qWarning() << "Cannot set left margin to a negative value:" << left; |
| 80 | } else { |
| 81 | if (left != QMargins::left()) { |
| 82 | QMargins::setLeft(left); |
| 83 | emit leftChanged(top: QMargins::top(), bottom: QMargins::bottom(), left: QMargins::left(), right: QMargins::right()); |
| 84 | } |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | void DeclarativeMargins::setRight(int right) |
| 89 | { |
| 90 | if (right < 0) { |
| 91 | qWarning() << "Cannot set left margin to a negative value:" << right; |
| 92 | } else { |
| 93 | if (right != QMargins::right()) { |
| 94 | QMargins::setRight(right); |
| 95 | emit rightChanged(top: QMargins::top(), bottom: QMargins::bottom(), left: QMargins::left(), right: QMargins::right()); |
| 96 | } |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | QT_END_NAMESPACE |
| 101 | |
| 102 | #include "moc_declarativemargins_p.cpp" |
| 103 | |