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39
40#ifndef QLISTWIDGET_P_H
41#define QLISTWIDGET_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. This header file may change
48// from version to version without notice, or even be removed.
49//
50// We mean it.
51//
52
53#include <QtWidgets/private/qtwidgetsglobal_p.h>
54#include <QtCore/qabstractitemmodel.h>
55#include <QtWidgets/qabstractitemview.h>
56#include <QtWidgets/qlistwidget.h>
57#include <qitemdelegate.h>
58#include <private/qlistview_p.h>
59#include <private/qwidgetitemdata_p.h>
60
61QT_REQUIRE_CONFIG(listwidget);
62
63QT_BEGIN_NAMESPACE
64
65class QListModelLessThan
66{
67public:
68 inline bool operator()(QListWidgetItem *i1, QListWidgetItem *i2) const
69 { return *i1 < *i2; }
70};
71
72class QListModelGreaterThan
73{
74public:
75 inline bool operator()(QListWidgetItem *i1, QListWidgetItem *i2) const
76 { return *i2 < *i1; }
77};
78
79class Q_AUTOTEST_EXPORT QListModel : public QAbstractListModel
80{
81 Q_OBJECT
82 friend class QListWidget;
83
84public:
85 QListModel(QListWidget *parent);
86 ~QListModel();
87
88 void clear();
89 QListWidgetItem *at(int row) const;
90 void insert(int row, QListWidgetItem *item);
91 void insert(int row, const QStringList &items);
92 void remove(QListWidgetItem *item);
93 QListWidgetItem *take(int row);
94 void move(int srcRow, int dstRow);
95
96 int rowCount(const QModelIndex &parent = QModelIndex()) const override;
97
98 QModelIndex index(const QListWidgetItem *item) const;
99 QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) const override;
100
101 QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
102 bool setData(const QModelIndex &index, const QVariant &value, int role) override;
103#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
104 bool clearItemData(const QModelIndex &index) override;
105#endif
106
107 QMap<int, QVariant> itemData(const QModelIndex &index) const override;
108
109 bool insertRows(int row, int count = 1, const QModelIndex &parent = QModelIndex()) override;
110 bool removeRows(int row, int count = 1, const QModelIndex &parent = QModelIndex()) override;
111 bool moveRows(const QModelIndex &sourceParent, int sourceRow, int count, const QModelIndex &destinationParent, int destinationChild) override;
112
113 Qt::ItemFlags flags(const QModelIndex &index) const override;
114
115 void sort(int column, Qt::SortOrder order) override;
116 void ensureSorted(int column, Qt::SortOrder order, int start, int end);
117 static bool itemLessThan(const QPair<QListWidgetItem*,int> &left,
118 const QPair<QListWidgetItem*,int> &right);
119 static bool itemGreaterThan(const QPair<QListWidgetItem*,int> &left,
120 const QPair<QListWidgetItem*,int> &right);
121 static QList<QListWidgetItem*>::iterator sortedInsertionIterator(
122 const QList<QListWidgetItem*>::iterator &begin,
123 const QList<QListWidgetItem*>::iterator &end,
124 Qt::SortOrder order, QListWidgetItem *item);
125
126 void itemChanged(QListWidgetItem *item, const QVector<int> &roles = QVector<int>());
127
128 // dnd
129 QStringList mimeTypes() const override;
130 QMimeData *mimeData(const QModelIndexList &indexes) const override;
131#if QT_CONFIG(draganddrop)
132 bool dropMimeData(const QMimeData *data, Qt::DropAction action,
133 int row, int column, const QModelIndex &parent) override;
134 Qt::DropActions supportedDropActions() const override;
135#endif
136
137 QMimeData *internalMimeData() const;
138private:
139 QList<QListWidgetItem*> items;
140
141 // A cache must be mutable if get-functions should have const modifiers
142 mutable QModelIndexList cachedIndexes;
143};
144
145
146
147class QListWidgetPrivate : public QListViewPrivate
148{
149 Q_DECLARE_PUBLIC(QListWidget)
150public:
151 QListWidgetPrivate() : QListViewPrivate(), sortOrder(Qt::AscendingOrder), sortingEnabled(false) {}
152 inline QListModel *listModel() const { return qobject_cast<QListModel*>(model); }
153 void setup();
154 void _q_emitItemPressed(const QModelIndex &index);
155 void _q_emitItemClicked(const QModelIndex &index);
156 void _q_emitItemDoubleClicked(const QModelIndex &index);
157 void _q_emitItemActivated(const QModelIndex &index);
158 void _q_emitItemEntered(const QModelIndex &index);
159 void _q_emitItemChanged(const QModelIndex &index);
160 void _q_emitCurrentItemChanged(const QModelIndex &current, const QModelIndex &previous);
161 void _q_sort();
162 void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
163 Qt::SortOrder sortOrder;
164 bool sortingEnabled;
165};
166
167class QListWidgetItemPrivate
168{
169public:
170 QListWidgetItemPrivate(QListWidgetItem *item) : q(item), theid(-1) {}
171 QListWidgetItem *q;
172 QVector<QWidgetItemData> values;
173 int theid;
174};
175
176QT_END_NAMESPACE
177
178#endif // QLISTWIDGET_P_H
179