--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/itemviews/qitemselectionmodel.h Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,229 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** 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