You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
230 lines
8.6 KiB
230 lines
8.6 KiB
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
|
|
** All rights reserved.
|
|
** Contact: Nokia Corporation (qt-info@nokia.com)
|
|
**
|
|
** This file is part of the QtGui module of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** Commercial Usage
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
** accordance with the Qt Commercial License Agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and Nokia.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 2.1 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.LGPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU Lesser General Public License version 2.1 requirements
|
|
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** In addition, as a special exception, Nokia gives you certain additional
|
|
** rights. These rights are described in the Nokia Qt LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 3.0 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU General Public License version 3.0 requirements will be
|
|
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
**
|
|
** If you have questions regarding the use of this file, please contact
|
|
** Nokia at qt-info@nokia.com.
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#ifndef QITEMSELECTIONMODEL_H
|
|
#define QITEMSELECTIONMODEL_H
|
|
|
|
#include <QtCore/qset.h>
|
|
#include <QtCore/qvector.h>
|
|
#include <QtCore/qlist.h>
|
|
#include <QtCore/qabstractitemmodel.h>
|
|
|
|
QT_BEGIN_HEADER
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
|
|
QT_MODULE(Gui)
|
|
|
|
#ifndef QT_NO_ITEMVIEWS
|
|
|
|
class Q_GUI_EXPORT QItemSelectionRange
|
|
{
|
|
|
|
public:
|
|
inline QItemSelectionRange() {}
|
|
inline QItemSelectionRange(const QItemSelectionRange &other)
|
|
: tl(other.tl), br(other.br) {}
|
|
inline QItemSelectionRange(const QModelIndex &topLeft, const QModelIndex &bottomRight);
|
|
explicit inline QItemSelectionRange(const QModelIndex &index)
|
|
{ tl = index; br = tl; }
|
|
|
|
inline int top() const { return tl.row(); }
|
|
inline int left() const { return tl.column(); }
|
|
inline int bottom() const { return br.row(); }
|
|
inline int right() const { return br.column(); }
|
|
inline int width() const { return br.column() - tl.column() + 1; }
|
|
inline int height() const { return br.row() - tl.row() + 1; }
|
|
|
|
inline QModelIndex topLeft() const { return QModelIndex(tl); }
|
|
inline QModelIndex bottomRight() const { return QModelIndex(br); }
|
|
inline QModelIndex parent() const { return tl.parent(); }
|
|
inline const QAbstractItemModel *model() const { return tl.model(); }
|
|
|
|
inline bool contains(const QModelIndex &index) const
|
|
{
|
|
return (parent() == index.parent()
|
|
&& tl.row() <= index.row() && tl.column() <= index.column()
|
|
&& br.row() >= index.row() && br.column() >= index.column());
|
|
}
|
|
|
|
inline bool contains(int row, int column, const QModelIndex &parentIndex) const
|
|
{
|
|
return (parent() == parentIndex
|
|
&& tl.row() <= row && tl.column() <= column
|
|
&& br.row() >= row && br.column() >= column);
|
|
}
|
|
|
|
bool intersects(const QItemSelectionRange &other) const;
|
|
QItemSelectionRange intersect(const QItemSelectionRange &other) const; // ### Qt 5: make QT4_SUPPORT
|
|
inline QItemSelectionRange intersected(const QItemSelectionRange &other) const
|
|
{ return intersect(other); }
|
|
|
|
inline bool operator==(const QItemSelectionRange &other) const
|
|
{ return (tl == other.tl && br == other.br); }
|
|
inline bool operator!=(const QItemSelectionRange &other) const
|
|
{ return !operator==(other); }
|
|
|
|
inline bool isValid() const
|
|
{
|
|
return (tl.isValid() && br.isValid() && tl.parent() == br.parent()
|
|
&& top() <= bottom() && left() <= right());
|
|
}
|
|
|
|
QModelIndexList indexes() const;
|
|
|
|
private:
|
|
QPersistentModelIndex tl, br;
|
|
};
|
|
Q_DECLARE_TYPEINFO(QItemSelectionRange, Q_MOVABLE_TYPE);
|
|
|
|
inline QItemSelectionRange::QItemSelectionRange(const QModelIndex &atopLeft,
|
|
const QModelIndex &abottomRight)
|
|
{ tl = atopLeft; br = abottomRight; }
|
|
|
|
class QItemSelection;
|
|
class QItemSelectionModelPrivate;
|
|
|
|
class Q_GUI_EXPORT QItemSelectionModel : public QObject
|
|
{
|
|
Q_OBJECT
|
|
Q_DECLARE_PRIVATE(QItemSelectionModel)
|
|
Q_FLAGS(SelectionFlags)
|
|
|
|
public:
|
|
|
|
enum SelectionFlag {
|
|
NoUpdate = 0x0000,
|
|
Clear = 0x0001,
|
|
Select = 0x0002,
|
|
Deselect = 0x0004,
|
|
Toggle = 0x0008,
|
|
Current = 0x0010,
|
|
Rows = 0x0020,
|
|
Columns = 0x0040,
|
|
SelectCurrent = Select | Current,
|
|
ToggleCurrent = Toggle | Current,
|
|
ClearAndSelect = Clear | Select
|
|
};
|
|
|
|
Q_DECLARE_FLAGS(SelectionFlags, SelectionFlag)
|
|
|
|
explicit QItemSelectionModel(QAbstractItemModel *model);
|
|
explicit QItemSelectionModel(QAbstractItemModel *model, QObject *parent);
|
|
virtual ~QItemSelectionModel();
|
|
|
|
QModelIndex currentIndex() const;
|
|
|
|
bool isSelected(const QModelIndex &index) const;
|
|
bool isRowSelected(int row, const QModelIndex &parent) const;
|
|
bool isColumnSelected(int column, const QModelIndex &parent) const;
|
|
|
|
bool rowIntersectsSelection(int row, const QModelIndex &parent) const;
|
|
bool columnIntersectsSelection(int column, const QModelIndex &parent) const;
|
|
|
|
bool hasSelection() const;
|
|
|
|
QModelIndexList selectedIndexes() const;
|
|
QModelIndexList selectedRows(int column = 0) const;
|
|
QModelIndexList selectedColumns(int row = 0) const;
|
|
const QItemSelection selection() const;
|
|
|
|
const QAbstractItemModel *model() const;
|
|
|
|
public Q_SLOTS:
|
|
void setCurrentIndex(const QModelIndex &index, QItemSelectionModel::SelectionFlags command);
|
|
virtual void select(const QModelIndex &index, QItemSelectionModel::SelectionFlags command);
|
|
virtual void select(const QItemSelection &selection, QItemSelectionModel::SelectionFlags command);
|
|
virtual void clear();
|
|
virtual void reset();
|
|
|
|
void clearSelection();
|
|
|
|
Q_SIGNALS:
|
|
void selectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
|
|
void currentChanged(const QModelIndex ¤t, const QModelIndex &previous);
|
|
void currentRowChanged(const QModelIndex ¤t, const QModelIndex &previous);
|
|
void currentColumnChanged(const QModelIndex ¤t, const QModelIndex &previous);
|
|
|
|
protected:
|
|
QItemSelectionModel(QItemSelectionModelPrivate &dd, QAbstractItemModel *model);
|
|
void emitSelectionChanged(const QItemSelection &newSelection, const QItemSelection &oldSelection);
|
|
|
|
private:
|
|
Q_DISABLE_COPY(QItemSelectionModel)
|
|
Q_PRIVATE_SLOT(d_func(), void _q_columnsAboutToBeRemoved(const QModelIndex&, int, int))
|
|
Q_PRIVATE_SLOT(d_func(), void _q_rowsAboutToBeRemoved(const QModelIndex&, int, int))
|
|
Q_PRIVATE_SLOT(d_func(), void _q_columnsAboutToBeInserted(const QModelIndex&, int, int))
|
|
Q_PRIVATE_SLOT(d_func(), void _q_rowsAboutToBeInserted(const QModelIndex&, int, int))
|
|
Q_PRIVATE_SLOT(d_func(), void _q_layoutAboutToBeChanged())
|
|
Q_PRIVATE_SLOT(d_func(), void _q_layoutChanged())
|
|
};
|
|
|
|
Q_DECLARE_OPERATORS_FOR_FLAGS(QItemSelectionModel::SelectionFlags)
|
|
|
|
// dummy implentation of qHash() necessary for instantiating QList<QItemSelectionRange>::toSet() with MSVC
|
|
inline uint qHash(const QItemSelectionRange &) { return 0; }
|
|
|
|
class Q_GUI_EXPORT QItemSelection : public QList<QItemSelectionRange>
|
|
{
|
|
public:
|
|
QItemSelection() {}
|
|
QItemSelection(const QModelIndex &topLeft, const QModelIndex &bottomRight);
|
|
void select(const QModelIndex &topLeft, const QModelIndex &bottomRight);
|
|
bool contains(const QModelIndex &index) const;
|
|
QModelIndexList indexes() const;
|
|
void merge(const QItemSelection &other, QItemSelectionModel::SelectionFlags command);
|
|
static void split(const QItemSelectionRange &range,
|
|
const QItemSelectionRange &other,
|
|
QItemSelection *result);
|
|
};
|
|
|
|
#ifndef QT_NO_DEBUG_STREAM
|
|
Q_GUI_EXPORT QDebug operator<<(QDebug, const QItemSelectionRange &);
|
|
#endif
|
|
|
|
#endif // QT_NO_ITEMVIEWS
|
|
|
|
QT_END_NAMESPACE
|
|
|
|
QT_END_HEADER
|
|
|
|
#endif // QITEMSELECTIONMODEL_H
|