1// Copyright (C) 2020 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
4#ifndef QQUICKCONTAINER_P_P_H
5#define QQUICKCONTAINER_P_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtQuickTemplates2/private/qquickcontainer_p.h>
19#include <QtQuickTemplates2/private/qquickcontrol_p_p.h>
20#include <private/qqmlobjectmodel_p.h>
21
22QT_BEGIN_NAMESPACE
23
24class Q_QUICKTEMPLATES2_EXPORT QQuickContainerPrivate : public QQuickControlPrivate
25{
26public:
27 Q_DECLARE_PUBLIC(QQuickContainer)
28
29 static QQuickContainerPrivate *get(QQuickContainer *container)
30 {
31 return container->d_func();
32 }
33
34 void init();
35 void cleanup();
36
37 QQuickItem *itemAt(int index) const;
38 void insertItem(int index, QQuickItem *item);
39 void moveItem(int from, int to, QQuickItem *item);
40 void removeItem(int index, QQuickItem *item);
41 void reorderItems();
42 void maybeCullItem(QQuickItem *item);
43 void maybeCullItems();
44
45 void _q_currentIndexChanged();
46
47 void itemChildAdded(QQuickItem *item, QQuickItem *child) override;
48 void itemSiblingOrderChanged(QQuickItem *item) override;
49 void itemParentChanged(QQuickItem *item, QQuickItem *parent) override;
50 void itemDestroyed(QQuickItem *item) override;
51
52 static void contentData_append(QQmlListProperty<QObject> *prop, QObject *obj);
53 static qsizetype contentData_count(QQmlListProperty<QObject> *prop);
54 static QObject *contentData_at(QQmlListProperty<QObject> *prop, qsizetype index);
55 static void contentData_clear(QQmlListProperty<QObject> *prop);
56
57 static void contentChildren_append(QQmlListProperty<QQuickItem> *prop, QQuickItem *obj);
58 static qsizetype contentChildren_count(QQmlListProperty<QQuickItem> *prop);
59 static QQuickItem *contentChildren_at(QQmlListProperty<QQuickItem> *prop, qsizetype index);
60 static void contentChildren_clear(QQmlListProperty<QQuickItem> *prop);
61
62 void updateContentWidth();
63 void updateContentHeight();
64
65 bool hasContentWidth = false;
66 bool hasContentHeight = false;
67 qreal contentWidth = 0;
68 qreal contentHeight = 0;
69 QObjectList contentData;
70 QQmlObjectModel *contentModel = nullptr;
71 qsizetype currentIndex = -1;
72 bool updatingCurrent = false;
73 QQuickItemPrivate::ChangeTypes changeTypes = Destroyed | Parent | SiblingOrder;
74};
75
76QT_END_NAMESPACE
77
78#endif // QQUICKCONTAINER_P_P_H
79

source code of qtdeclarative/src/quicktemplates/qquickcontainer_p_p.h