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 | |
4 | #ifndef QQUICKPOPUPPOSITIONER_P_P_H |
5 | #define QQUICKPOPUPPOSITIONER_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 <QtQuick/private/qquickitemchangelistener_p.h> |
19 | #include <QtQuickTemplates2/private/qtquicktemplates2global_p.h> |
20 | |
21 | QT_BEGIN_NAMESPACE |
22 | |
23 | class QQuickItem; |
24 | class QQuickPopup; |
25 | |
26 | class Q_QUICKTEMPLATES2_EXPORT QQuickPopupPositioner : public QQuickItemChangeListener |
27 | { |
28 | public: |
29 | explicit QQuickPopupPositioner(QQuickPopup *popup); |
30 | ~QQuickPopupPositioner(); |
31 | |
32 | QQuickPopup *popup() const; |
33 | |
34 | QQuickItem *parentItem() const; |
35 | void setParentItem(QQuickItem *parent); |
36 | |
37 | virtual void reposition(); |
38 | |
39 | protected: |
40 | void itemGeometryChanged(QQuickItem *, QQuickGeometryChange, const QRectF &) override; |
41 | void itemParentChanged(QQuickItem *, QQuickItem *parent) override; |
42 | void itemChildRemoved(QQuickItem *, QQuickItem *child) override; |
43 | |
44 | void removeAncestorListeners(QQuickItem *item); |
45 | void addAncestorListeners(QQuickItem *item); |
46 | |
47 | bool m_positioning = false; |
48 | QQuickItem *m_parentItem = nullptr; |
49 | QQuickPopup *m_popup = nullptr; |
50 | qreal m_popupScale = 1.0; |
51 | }; |
52 | |
53 | QT_END_NAMESPACE |
54 | |
55 | #endif // QQUICKPOPUPPOSITIONER_P_P_H |
56 |