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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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qquickitemdelegate.cpp
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1// Copyright (C) 2017 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3// Qt-Security score:significant reason:default
4
8
9#include <QtGui/qpa/qplatformtheme.h>
10
12
13/*!
14 \qmltype ItemDelegate
15 \inherits AbstractButton
16//! \nativetype QQuickItemDelegate
17 \inqmlmodule QtQuick.Controls
18 \since 5.7
19 \ingroup qtquickcontrols-delegates
20 \brief Basic item delegate that can be used in various views and controls.
21
22 \image qtquickcontrols-itemdelegate.gif
23 {Item delegate in list showing interaction states}
24
25 ItemDelegate presents a standard view item. It can be used as a delegate
26 in various views and controls, such as \l ListView and \l ComboBox.
27
28 ItemDelegate inherits its API from AbstractButton. For instance, you can set
29 \l {AbstractButton::text}{text}, display an \l {Icons in Qt Quick Controls}{icon},
30 and react to \l {AbstractButton::clicked}{clicks} using the AbstractButton API.
31
32 \snippet qtquickcontrols-itemdelegate.qml 1
33
34 \sa {Customizing ItemDelegate}, {Delegate Controls}
35*/
36
37QQuickItemDelegate::QQuickItemDelegate(QQuickItem *parent)
38 : QQuickAbstractButton(*(new QQuickItemDelegatePrivate), parent)
39{
40 setFocusPolicy(Qt::NoFocus);
41}
42
43QQuickItemDelegate::QQuickItemDelegate(QQuickItemDelegatePrivate &dd, QQuickItem *parent)
44 : QQuickAbstractButton(dd, parent)
45{
46 setFocusPolicy(Qt::NoFocus);
47}
48
49/*!
50 \qmlproperty bool QtQuick.Controls::ItemDelegate::highlighted
51
52 This property holds whether the delegate is highlighted.
53
54 A delegate can be highlighted in order to draw the user's attention towards
55 it. It has no effect on keyboard interaction. For example, you can
56 highlight the current item in a ListView using the following code:
57
58 \code
59 ListView {
60 id: listView
61 model: 10
62 delegate: ItemDelegate {
63 text: index
64 highlighted: ListView.isCurrentItem
65
66 required property int index
67
68 onClicked: listView.currentIndex = index
69 }
70 }
71 \endcode
72
73 The default value is \c false.
74*/
75bool QQuickItemDelegate::isHighlighted() const
76{
77 Q_D(const QQuickItemDelegate);
78 return d->highlighted;
79}
80
81void QQuickItemDelegate::setHighlighted(bool highlighted)
82{
83 Q_D(QQuickItemDelegate);
84 if (highlighted == d->highlighted)
85 return;
86
87 d->highlighted = highlighted;
88 emit highlightedChanged();
89}
90
91QFont QQuickItemDelegate::defaultFont() const
92{
93 return QQuickTheme::font(QQuickTheme::ItemView);
94}
95
96#if QT_CONFIG(accessibility)
97QAccessible::Role QQuickItemDelegate::accessibleRole() const
98{
99 return QAccessible::ListItem;
100}
101#endif
102
103QPalette QQuickItemDelegatePrivate::defaultPalette() const
104{
105 return QQuickTheme::palette(QQuickTheme::ItemView);
106}
107
108QT_END_NAMESPACE
109
110#include "moc_qquickitemdelegate_p.cpp"
Combined button and popup list for selecting options.