1 | // Copyright (C) 2016 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 QQUICKLISTVIEW_P_H |
5 | #define QQUICKLISTVIEW_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 <private/qtquickglobal_p.h> |
19 | |
20 | QT_REQUIRE_CONFIG(quick_listview); |
21 | |
22 | #include "qquickitemview_p.h" |
23 | |
24 | #include <private/qtquickglobal_p.h> |
25 | |
26 | #include <QtCore/qpointer.h> |
27 | |
28 | QT_BEGIN_NAMESPACE |
29 | |
30 | class QQuickListView; |
31 | class QQuickListViewPrivate; |
32 | class Q_QUICK_EXPORT QQuickViewSection : public QObject |
33 | { |
34 | Q_OBJECT |
35 | Q_PROPERTY(QString property READ property WRITE setProperty NOTIFY propertyChanged) |
36 | Q_PROPERTY(SectionCriteria criteria READ criteria WRITE setCriteria NOTIFY criteriaChanged) |
37 | Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged) |
38 | Q_PROPERTY(int labelPositioning READ labelPositioning WRITE setLabelPositioning NOTIFY labelPositioningChanged) |
39 | QML_NAMED_ELEMENT(ViewSection) |
40 | QML_ADDED_IN_VERSION(2, 0) |
41 | public: |
42 | QQuickViewSection(QQuickListView *parent=nullptr); |
43 | |
44 | QString property() const { return m_property; } |
45 | void setProperty(const QString &); |
46 | |
47 | enum SectionCriteria { FullString, FirstCharacter }; |
48 | Q_ENUM(SectionCriteria) |
49 | SectionCriteria criteria() const { return m_criteria; } |
50 | void setCriteria(SectionCriteria); |
51 | |
52 | QQmlComponent *delegate() const { return m_delegate; } |
53 | void setDelegate(QQmlComponent *delegate); |
54 | |
55 | QString sectionString(const QString &value); |
56 | |
57 | enum LabelPositioning { InlineLabels = 0x01, CurrentLabelAtStart = 0x02, NextLabelAtEnd = 0x04 }; |
58 | Q_ENUM(LabelPositioning) |
59 | int labelPositioning() const { return m_labelPositioning; } |
60 | void setLabelPositioning(int pos); |
61 | |
62 | Q_SIGNALS: |
63 | void sectionsChanged(); |
64 | void propertyChanged(); |
65 | void criteriaChanged(); |
66 | void delegateChanged(); |
67 | void labelPositioningChanged(); |
68 | |
69 | private: |
70 | QString m_property; |
71 | SectionCriteria m_criteria; |
72 | QQmlComponent *m_delegate; |
73 | int m_labelPositioning; |
74 | QQuickListViewPrivate *m_view; |
75 | }; |
76 | |
77 | |
78 | class QQmlInstanceModel; |
79 | class QQuickListViewAttached; |
80 | class Q_QUICK_EXPORT QQuickListView : public QQuickItemView |
81 | { |
82 | Q_OBJECT |
83 | Q_DECLARE_PRIVATE(QQuickListView) |
84 | |
85 | Q_PROPERTY(qreal highlightMoveVelocity READ highlightMoveVelocity WRITE setHighlightMoveVelocity NOTIFY highlightMoveVelocityChanged) |
86 | Q_PROPERTY(qreal highlightResizeVelocity READ highlightResizeVelocity WRITE setHighlightResizeVelocity NOTIFY highlightResizeVelocityChanged) |
87 | Q_PROPERTY(int highlightResizeDuration READ highlightResizeDuration WRITE setHighlightResizeDuration NOTIFY highlightResizeDurationChanged) |
88 | |
89 | Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing NOTIFY spacingChanged) |
90 | Q_PROPERTY(Orientation orientation READ orientation WRITE setOrientation NOTIFY orientationChanged) |
91 | |
92 | Q_PROPERTY(QQuickViewSection *section READ sectionCriteria CONSTANT) |
93 | Q_PROPERTY(QString currentSection READ currentSection NOTIFY currentSectionChanged) |
94 | |
95 | Q_PROPERTY(SnapMode snapMode READ snapMode WRITE setSnapMode NOTIFY snapModeChanged) |
96 | |
97 | Q_PROPERTY(HeaderPositioning headerPositioning READ headerPositioning WRITE setHeaderPositioning NOTIFY headerPositioningChanged REVISION(2, 4)) |
98 | Q_PROPERTY(FooterPositioning footerPositioning READ footerPositioning WRITE setFooterPositioning NOTIFY footerPositioningChanged REVISION(2, 4)) |
99 | |
100 | Q_CLASSINFO("DefaultProperty" , "data" ) |
101 | QML_NAMED_ELEMENT(ListView) |
102 | QML_ADDED_IN_VERSION(2, 0) |
103 | QML_ATTACHED(QQuickListViewAttached) |
104 | |
105 | public: |
106 | QQuickListView(QQuickItem *parent=nullptr); |
107 | ~QQuickListView(); |
108 | |
109 | qreal spacing() const; |
110 | void setSpacing(qreal spacing); |
111 | |
112 | enum Orientation { Horizontal = Qt::Horizontal, Vertical = Qt::Vertical }; |
113 | Q_ENUM(Orientation) |
114 | Orientation orientation() const; |
115 | void setOrientation(Orientation); |
116 | |
117 | QQuickViewSection *sectionCriteria(); |
118 | QString currentSection() const; |
119 | |
120 | void setHighlightFollowsCurrentItem(bool) override; |
121 | |
122 | qreal highlightMoveVelocity() const; |
123 | void setHighlightMoveVelocity(qreal); |
124 | |
125 | qreal highlightResizeVelocity() const; |
126 | void setHighlightResizeVelocity(qreal); |
127 | |
128 | int highlightResizeDuration() const; |
129 | void setHighlightResizeDuration(int); |
130 | |
131 | void setHighlightMoveDuration(int) override; |
132 | |
133 | enum SnapMode { NoSnap, SnapToItem, SnapOneItem }; |
134 | Q_ENUM(SnapMode) |
135 | SnapMode snapMode() const; |
136 | void setSnapMode(SnapMode mode); |
137 | |
138 | enum { , , }; |
139 | Q_ENUM(HeaderPositioning) |
140 | HeaderPositioning () const; |
141 | void (HeaderPositioning positioning); |
142 | |
143 | enum { , , }; |
144 | Q_ENUM(FooterPositioning) |
145 | FooterPositioning () const; |
146 | void (FooterPositioning positioning); |
147 | |
148 | static QQuickListViewAttached *qmlAttachedProperties(QObject *); |
149 | |
150 | public Q_SLOTS: |
151 | void incrementCurrentIndex(); |
152 | void decrementCurrentIndex(); |
153 | |
154 | Q_SIGNALS: |
155 | void spacingChanged(); |
156 | void orientationChanged(); |
157 | void currentSectionChanged(); |
158 | void highlightMoveVelocityChanged(); |
159 | void highlightResizeVelocityChanged(); |
160 | void highlightResizeDurationChanged(); |
161 | void snapModeChanged(); |
162 | Q_REVISION(2, 4) void (); |
163 | Q_REVISION(2, 4) void (); |
164 | |
165 | protected: |
166 | void viewportMoved(Qt::Orientations orient) override; |
167 | void keyPressEvent(QKeyEvent *) override; |
168 | void geometryChange(const QRectF &newGeometry,const QRectF &oldGeometry) override; |
169 | void initItem(int index, QObject *item) override; |
170 | qreal maxYExtent() const override; |
171 | qreal maxXExtent() const override; |
172 | }; |
173 | |
174 | class Q_QUICK_EXPORT QQuickListViewAttached : public QQuickItemViewAttached |
175 | { |
176 | Q_OBJECT |
177 | Q_PROPERTY(QQuickListView *view READ view NOTIFY viewChanged FINAL) |
178 | public: |
179 | QQuickListViewAttached(QObject *parent) |
180 | : QQuickItemViewAttached(parent), m_sectionItem(nullptr) {} |
181 | ~QQuickListViewAttached() {} |
182 | QQuickListView *view() const { return m_view; } |
183 | void setView(QQuickListView *view) { |
184 | if (view != m_view) { |
185 | m_view = view; |
186 | Q_EMIT viewChanged(); |
187 | } |
188 | } |
189 | |
190 | public: |
191 | QPointer<QQuickItem> m_sectionItem; |
192 | private: |
193 | QPointer<QQuickListView> m_view; |
194 | }; |
195 | |
196 | |
197 | QT_END_NAMESPACE |
198 | |
199 | #endif // QQUICKLISTVIEW_P_H |
200 | |