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    41 

    42 #ifndef QLISTWIDGET_P_H

    43 #define QLISTWIDGET_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API. This header file may change

    50 // from version to version without notice, or even be removed.

    51 //

    52 // We mean it.

    53 //

    54 

    55 #include <QtCore/qabstractitemmodel.h>

    56 #include <QtGui/qabstractitemview.h>

    57 #include <QtGui/qlistwidget.h>

    58 #include <qitemdelegate.h>

    59 #include <private/qlistview_p.h>

    60 #include <private/qwidgetitemdata_p.h>

    61 

    62 #ifndef QT_NO_LISTWIDGET

    63 

    64 QT_BEGIN_NAMESPACE

    65 

    66 class QListModelLessThan

    67 {

    68 public:

    69     inline bool operator()(QListWidgetItem *i1, QListWidgetItem *i2) const

    70         { return *i1 < *i2; }

    71 };

    72 

    73 class QListModelGreaterThan

    74 {

    75 public:

    76     inline bool operator()(QListWidgetItem *i1, QListWidgetItem *i2) const

    77         { return *i2 < *i1; }

    78 };

    79 

    80 class QListModel : public QAbstractListModel

    81 {

    82     Q_OBJECT

    83 public:

    84     QListModel(QListWidget *parent);

    85     ~QListModel();

    86 

    87     void clear();

    88     QListWidgetItem *at(int row) const;

    89     void insert(int row, QListWidgetItem *item);

    90     void insert(int row, const QStringList &items);

    91     void remove(QListWidgetItem *item);

    92     QListWidgetItem *take(int row);

    93 

    94     int rowCount(const QModelIndex &parent = QModelIndex()) const;

    95 

    96     QModelIndex index(QListWidgetItem *item) const;

    97     QModelIndex index(int row, int column = 0, const QModelIndex &parent = QModelIndex()) const;

    98 

    99     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;

   100     bool setData(const QModelIndex &index, const QVariant &value, int role);

   101 

   102     QMap<int, QVariant> itemData(const QModelIndex &index) const;

   103 

   104     bool insertRows(int row, int count = 1, const QModelIndex &parent = QModelIndex());

   105     bool removeRows(int row, int count = 1, const QModelIndex &parent = QModelIndex());

   106 

   107     Qt::ItemFlags flags(const QModelIndex &index) const;

   108 

   109     void sort(int column, Qt::SortOrder order);

   110     void ensureSorted(int column, Qt::SortOrder order, int start, int end);

   111     static bool itemLessThan(const QPair<QListWidgetItem*,int> &left,

   112                              const QPair<QListWidgetItem*,int> &right);

   113     static bool itemGreaterThan(const QPair<QListWidgetItem*,int> &left,

   114                                 const QPair<QListWidgetItem*,int> &right);

   115     static QList<QListWidgetItem*>::iterator sortedInsertionIterator(

   116         const QList<QListWidgetItem*>::iterator &begin,

   117         const QList<QListWidgetItem*>::iterator &end,

   118         Qt::SortOrder order, QListWidgetItem *item);

   119 

   120     void itemChanged(QListWidgetItem *item);

   121 

   122     // dnd

   123     QStringList mimeTypes() const;

   124     QMimeData *mimeData(const QModelIndexList &indexes) const;

   125 #ifndef QT_NO_DRAGANDDROP

   126     bool dropMimeData(const QMimeData *data, Qt::DropAction action,

   127                       int row, int column, const QModelIndex &parent);

   128     Qt::DropActions supportedDropActions() const;

   129 #endif

   130 

   131     QMimeData *internalMimeData()  const;

   132 private:

   133     QList<QListWidgetItem*> items;

   134 

   135     // A cache must be mutable if get-functions should have const modifiers

   136     mutable QModelIndexList cachedIndexes;

   137 };

   138 

   139 

   140 

   141 class QListWidgetPrivate : public QListViewPrivate

   142 {

   143     Q_DECLARE_PUBLIC(QListWidget)

   144 public:

   145     QListWidgetPrivate() : QListViewPrivate(), sortOrder(Qt::AscendingOrder), sortingEnabled(false) {}

   146     inline QListModel *listModel() const { return qobject_cast<QListModel*>(model); }

   147     void setup();

   148     void _q_emitItemPressed(const QModelIndex &index);

   149     void _q_emitItemClicked(const QModelIndex &index);

   150     void _q_emitItemDoubleClicked(const QModelIndex &index);

   151     void _q_emitItemActivated(const QModelIndex &index);

   152     void _q_emitItemEntered(const QModelIndex &index);

   153     void _q_emitItemChanged(const QModelIndex &index);

   154     void _q_emitCurrentItemChanged(const QModelIndex &current, const QModelIndex &previous);

   155     void _q_sort();

   156     void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);

   157     Qt::SortOrder sortOrder;

   158     bool sortingEnabled;

   159 };

   160 

   161 class QListWidgetItemPrivate

   162 {

   163 public:

   164     QListWidgetItemPrivate(QListWidgetItem *item) : q(item), theid(-1) {}

   165     QListWidgetItem *q;

   166     QVector<QWidgetItemData> values;

   167     int theid;

   168 };

   169 

   170 QT_END_NAMESPACE

   171 

   172 #endif // QT_NO_LISTWIDGET

   173 

   174 #endif // QLISTWIDGET_P_H