blob: c3d2015aed267166dc36d22dd4e7ebb5e768d6e4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQUICKLOADER_P_H
#define QQUICKLOADER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qquickimplicitsizeitem_p.h"
QT_BEGIN_NAMESPACE
class QQuickLoaderPrivate;
class Q_QUICK_EXPORT QQuickLoader : public QQuickImplicitSizeItem
{
Q_OBJECT
Q_PROPERTY(bool active READ active WRITE setActive NOTIFY activeChanged)
Q_PROPERTY(QUrl source READ source WRITE setSourceWithoutResolve NOTIFY sourceChanged)
Q_PROPERTY(QQmlComponent *sourceComponent READ sourceComponent WRITE setSourceComponent RESET resetSourceComponent NOTIFY sourceComponentChanged)
Q_PROPERTY(QObject *item READ item NOTIFY itemChanged)
Q_PROPERTY(Status status READ status NOTIFY statusChanged)
Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged)
Q_PROPERTY(bool asynchronous READ asynchronous WRITE setAsynchronous NOTIFY asynchronousChanged)
QML_NAMED_ELEMENT(Loader)
QML_ADDED_IN_VERSION(2, 0)
public:
QQuickLoader(QQuickItem *parent = nullptr);
virtual ~QQuickLoader();
bool active() const;
void setActive(bool newVal);
Q_INVOKABLE void setSource(const QUrl &source, QJSValue initialProperties);
Q_INVOKABLE void setSource(const QUrl &source);
QUrl source() const;
void setSourceWithoutResolve(const QUrl &source);
QQmlComponent *sourceComponent() const;
void setSourceComponent(QQmlComponent *);
void resetSourceComponent();
enum Status { Null, Ready, Loading, Error };
Q_ENUM(Status)
Status status() const;
qreal progress() const;
bool asynchronous() const;
void setAsynchronous(bool a);
QObject *item() const;
Q_SIGNALS:
void itemChanged();
void activeChanged();
void sourceChanged();
void sourceComponentChanged();
void statusChanged();
void progressChanged();
void loaded();
void asynchronousChanged();
protected:
void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
void componentComplete() override;
void itemChange(ItemChange change, const ItemChangeData &value) override;
private:
QUrl setSourceUrlHelper(const QUrl &unresolvedUrl);
void setSource(const QUrl &sourceUrl, bool needsClear);
void loadFromSource();
void loadFromSourceComponent();
Q_DISABLE_COPY(QQuickLoader)
Q_DECLARE_PRIVATE(QQuickLoader)
Q_PRIVATE_SLOT(d_func(), void _q_sourceLoaded())
Q_PRIVATE_SLOT(d_func(), void _q_updateSize())
};
QT_END_NAMESPACE
#endif // QQUICKLOADER_P_H
|
