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
8QT_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
43DeclarativeMargins::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
52void 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
64void 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
76void 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
88void 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
100QT_END_NAMESPACE
101
102#include "moc_declarativemargins_p.cpp"
103

source code of qtcharts/src/chartsqml2/declarativemargins.cpp