| 1 | /**************************************************************************** |
|---|---|
| 2 | ** |
| 3 | ** Copyright (C) 2018 The Qt Company Ltd. |
| 4 | ** Contact: http://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL3$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see http://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at http://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation and appearing in the file LICENSE.LGPLv3 included in the |
| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or later as published by the Free |
| 28 | ** Software Foundation and appearing in the file LICENSE.GPL included in |
| 29 | ** the packaging of this file. Please review the following information to |
| 30 | ** ensure the GNU General Public License version 2.0 requirements will be |
| 31 | ** met: http://www.gnu.org/licenses/gpl-2.0.html. |
| 32 | ** |
| 33 | ** $QT_END_LICENSE$ |
| 34 | ** |
| 35 | ****************************************************************************/ |
| 36 | |
| 37 | #include "qquickpopupanchors_p.h" |
| 38 | #include "qquickpopupanchors_p_p.h" |
| 39 | #include "qquickpopup_p_p.h" |
| 40 | |
| 41 | QT_BEGIN_NAMESPACE |
| 42 | |
| 43 | QQuickPopupAnchors::QQuickPopupAnchors(QQuickPopup *popup) |
| 44 | : QObject(*(new QQuickPopupAnchorsPrivate), popup) |
| 45 | { |
| 46 | Q_D(QQuickPopupAnchors); |
| 47 | d->popup = popup; |
| 48 | } |
| 49 | |
| 50 | QQuickPopupAnchors::~QQuickPopupAnchors() |
| 51 | { |
| 52 | Q_D(const QQuickPopupAnchors); |
| 53 | if (d->centerIn) { |
| 54 | auto centerInPrivate = QQuickItemPrivate::get(item: d->centerIn); |
| 55 | centerInPrivate->removeItemChangeListener(this, types: QQuickItemPrivate::Destroyed); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | QQuickItem *QQuickPopupAnchors::centerIn() const |
| 60 | { |
| 61 | Q_D(const QQuickPopupAnchors); |
| 62 | return d->centerIn; |
| 63 | } |
| 64 | |
| 65 | void QQuickPopupAnchors::setCenterIn(QQuickItem *item) |
| 66 | { |
| 67 | Q_D(QQuickPopupAnchors); |
| 68 | if (item == d->centerIn) |
| 69 | return; |
| 70 | |
| 71 | if (d->centerIn) { |
| 72 | auto centerInPrivate = QQuickItemPrivate::get(item: d->centerIn); |
| 73 | centerInPrivate->removeItemChangeListener(this, types: QQuickItemPrivate::Destroyed); |
| 74 | } |
| 75 | |
| 76 | d->centerIn = item; |
| 77 | |
| 78 | if (d->centerIn) { |
| 79 | auto centerInPrivate = QQuickItemPrivate::get(item: d->centerIn); |
| 80 | centerInPrivate->addItemChangeListener(listener: this, types: QQuickItemPrivate::Destroyed); |
| 81 | } |
| 82 | |
| 83 | QQuickPopupPrivate::get(popup: d->popup)->reposition(); |
| 84 | |
| 85 | emit centerInChanged(); |
| 86 | } |
| 87 | |
| 88 | void QQuickPopupAnchors::resetCenterIn() |
| 89 | { |
| 90 | setCenterIn(nullptr); |
| 91 | } |
| 92 | |
| 93 | void QQuickPopupAnchors::itemDestroyed(QQuickItem *) |
| 94 | { |
| 95 | resetCenterIn(); |
| 96 | } |
| 97 | |
| 98 | QT_END_NAMESPACE |
| 99 |