Qt 4.8
qproxymodel_p.h
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41 
42 #ifndef QPROXYMODEL_P_H
43 #define QPROXYMODEL_P_H
44 
45 //
46 // W A R N I N G
47 // -------------
48 //
49 // This file is not part of the Qt API. It exists for the convenience
50 // of QAbstractItemModel*. This header file may change from version
51 // to version without notice, or even be removed.
52 //
53 // We mean it.
54 //
55 //
56 
57 #include "QtCore/qabstractitemmodel.h"
58 #include "private/qabstractitemmodel_p.h"
59 
60 #ifndef QT_NO_PROXYMODEL
61 
63 
64 class QEmptyModel : public QAbstractItemModel
65 {
66 public:
68  QModelIndex index(int, int, const QModelIndex &) const { return QModelIndex(); }
69  QModelIndex parent(const QModelIndex &) const { return QModelIndex(); }
70  int rowCount(const QModelIndex &) const { return 0; }
71  int columnCount(const QModelIndex &) const { return 0; }
72  bool hasChildren(const QModelIndex &) const { return false; }
73  QVariant data(const QModelIndex &, int) const { return QVariant(); }
74 };
75 
77 {
79 
80 public:
81  void _q_sourceDataChanged(const QModelIndex &tl,const QModelIndex &br);
82  void _q_sourceRowsAboutToBeInserted(const QModelIndex &parent, int first ,int last);
83  void _q_sourceRowsInserted(const QModelIndex &parent, int first ,int last);
84  void _q_sourceRowsAboutToBeRemoved(const QModelIndex &parent, int first, int last);
85  void _q_sourceRowsRemoved(const QModelIndex &parent, int first, int last);
86  void _q_sourceColumnsAboutToBeInserted(const QModelIndex &parent, int first, int last);
87  void _q_sourceColumnsInserted(const QModelIndex &parent, int first, int last);
88  void _q_sourceColumnsAboutToBeRemoved(const QModelIndex &parent, int first, int last);
89  void _q_sourceColumnsRemoved(const QModelIndex &parent, int first, int last);
90 
94 };
95 
97 
98 #endif // QT_NO_PROXYMODEL
99 
100 #endif // QPROXYMODEL_P_H
The QVariant class acts like a union for the most common Qt data types.
Definition: qvariant.h:92
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
bool hasChildren(const QModelIndex &) const
Returns true if parent has any children; otherwise returns false.
Definition: qproxymodel_p.h:72
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
QEmptyModel(QObject *parent=0)
Definition: qproxymodel_p.h:67
QVariant data(const QModelIndex &, int) const
Returns the data stored under the given role for the item referred to by the index.
Definition: qproxymodel_p.h:73
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
The QProxyModel class provides support for processing data passed between another model and a view...
Definition: qproxymodel.h:57
QEmptyModel empty
Definition: qproxymodel_p.h:93
The QAbstractItemModel class provides the abstract interface for item model classes.
#define Q_DECLARE_PUBLIC(Class)
Definition: qglobal.h:2477
QObject * parent() const
Returns a pointer to the parent object.
Definition: qobject.h:273
The QModelIndex class is used to locate data in a data model.
int rowCount(const QModelIndex &) const
Returns the number of rows under the given parent.
Definition: qproxymodel_p.h:70
QAbstractItemModel * model
Definition: qproxymodel_p.h:92
QModelIndex index(int, int, const QModelIndex &) const
Returns the index of the item in the model specified by the given row, column and parent index...
Definition: qproxymodel_p.h:68
int columnCount(const QModelIndex &) const
Returns the number of columns for the children of the given parent.
Definition: qproxymodel_p.h:71
QModelIndex parent(const QModelIndex &) const
Returns the parent of the model item with the given index.
Definition: qproxymodel_p.h:69