1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2018 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtQuick module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 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 https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QQUICKFXVIEWITEM_P_P_H 41 #define QQUICKFXVIEWITEM_P_P_H 42 43 // 44 // W A R N I N G 45 // ------------- 46 // 47 // This file is not part of the Qt API. It exists purely as an 48 // implementation detail. This header file may change from version to 49 // version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #include <QtQuick/private/qtquickglobal_p.h> 55 #include <QtQuick/private/qquickitem_p.h> 56 #include <QtQuick/private/qquickitemviewtransition_p.h> 57 #include <private/qanimationjobutil_p.h> 58 59 QT_REQUIRE_CONFIG(quick_itemview); 60 61 QT_BEGIN_NAMESPACE 62 63 class Q_QUICK_PRIVATE_EXPORT QQuickItemViewFxItem 64 { 65 public: 66 QQuickItemViewFxItem(QQuickItem *item, bool ownItem, QQuickItemChangeListener *changeListener); 67 virtual ~QQuickItemViewFxItem(); 68 69 qreal itemX() const; 70 qreal itemY() const; itemWidth()71 inline qreal itemWidth() const { return item ? item->width() : 0; } itemHeight()72 inline qreal itemHeight() const { return item ? item->height() : 0; } 73 74 void moveTo(const QPointF &pos, bool immediate); 75 void setVisible(bool visible); 76 void trackGeometry(bool track); 77 78 QRectF geometry() const; 79 void setGeometry(const QRectF &geometry); 80 81 QQuickItemViewTransitioner::TransitionType scheduledTransitionType() const; 82 bool transitionScheduledOrRunning() const; 83 bool transitionRunning() const; 84 bool isPendingRemoval() const; 85 86 void transitionNextReposition(QQuickItemViewTransitioner *transitioner, QQuickItemViewTransitioner::TransitionType type, bool asTarget); 87 bool prepareTransition(QQuickItemViewTransitioner *transitioner, const QRectF &viewBounds); 88 void startTransition(QQuickItemViewTransitioner *transitioner); 89 90 // these are positions and sizes along the current direction of scrolling/flicking 91 virtual qreal position() const = 0; 92 virtual qreal endPosition() const = 0; 93 virtual qreal size() const = 0; 94 virtual qreal sectionSize() const = 0; 95 96 virtual bool contains(qreal x, qreal y) const = 0; 97 98 SelfDeletable m_selfDeletable; 99 QPointer<QQuickItem> item; 100 QQuickItemChangeListener *changeListener; 101 QQuickItemViewTransitionableItem *transitionableItem; 102 int index = -1; 103 bool ownItem : 1; 104 bool releaseAfterTransition : 1; 105 bool trackGeom : 1; 106 }; 107 108 QT_END_NAMESPACE 109 110 #endif // QQUICKFXVIEWITEM_P_P_H 111