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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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 QTABLEVIEW_P_H
#define QTABLEVIEW_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/QList>
#include <QtCore/QMap>
#include <QtCore/QSet>
#include <QtCore/QDebug>
#include "private/qabstractitemview_p.h"
#ifndef QT_NO_TABLEVIEW
QT_BEGIN_NAMESPACE
/** \internal
*
* This is a list of span with a binary index to look up quickly a span at a certain index.
*
* The index is a map of map.
* spans are mentaly divided into sub spans so that the start of any subspans doesn't overlap
* with any other subspans. There is no real representation of the subspans.
* The key of the first map is the row where the subspan starts, the value of the first map is
* a list (map) of all subspans that starts at the same row. It is indexed with its row
*/
class QSpanCollection
{
public:
struct Span
{
int m_top;
int m_left;
int m_bottom;
int m_right;
Span()
: m_top(-1), m_left(-1), m_bottom(-1), m_right(-1) { }
Span(int row, int column, int rowCount, int columnCount)
: m_top(row), m_left(column), m_bottom(row+rowCount-1), m_right(column+columnCount-1) { }
inline int top() const { return m_top; }
inline int left() const { return m_left; }
inline int bottom() const { return m_bottom; }
inline int right() const { return m_right; }
inline int height() const { return m_bottom - m_top + 1; }
inline int width() const { return m_right - m_left + 1; }
};
~QSpanCollection()
{
qDeleteAll(spans);
}
void addSpan(Span *span);
void updateSpan(Span *span, int old_height);
Span *spanAt(int x, int y) const;
void clear();
QList<Span *> spansInRect(int x, int y, int w, int h) const;
QList<Span *> spans; //lists of all spans
private:
//the indexes are negative so the QMap::lowerBound do what i need.
typedef QMap<int, Span *> SubIndex;
typedef QMap<int, SubIndex> Index;
Index index;
};
Q_DECLARE_TYPEINFO ( QSpanCollection::Span, Q_MOVABLE_TYPE);
class QTableViewPrivate : public QAbstractItemViewPrivate
{
Q_DECLARE_PUBLIC(QTableView)
public:
QTableViewPrivate()
: showGrid(true), gridStyle(Qt::SolidLine),
rowSectionAnchor(-1), columnSectionAnchor(-1),
columnResizeTimerID(0), rowResizeTimerID(0),
horizontalHeader(0), verticalHeader(0),
sortingEnabled(false), geometryRecursionBlock(false)
{
wrapItemText = true;
#ifndef QT_NO_DRAGANDDROP
overwrite = true;
#endif
}
void init();
void trimHiddenSelections(QItemSelectionRange *range) const;
inline bool isHidden(int row, int col) const {
return verticalHeader->isSectionHidden(row)
|| horizontalHeader->isSectionHidden(col);
}
inline int visualRow(int logicalRow) const {
return verticalHeader->visualIndex(logicalRow);
}
inline int visualColumn(int logicalCol) const {
return horizontalHeader->visualIndex(logicalCol);
}
inline int logicalRow(int visualRow) const {
return verticalHeader->logicalIndex(visualRow);
}
inline int logicalColumn(int visualCol) const {
return horizontalHeader->logicalIndex(visualCol);
}
int sectionSpanEndLogical(const QHeaderView *header, int logical, int span) const;
int sectionSpanSize(const QHeaderView *header, int logical, int span) const;
bool spanContainsSection(const QHeaderView *header, int logical, int spanLogical, int span) const;
void drawAndClipSpans(const QRegion &area, QPainter *painter,
const QStyleOptionViewItemV4 &option, QBitArray *drawn,
int firstVisualRow, int lastVisualRow, int firstVisualColumn, int lastVisualColumn);
void drawCell(QPainter *painter, const QStyleOptionViewItemV4 &option, const QModelIndex &index);
bool showGrid;
Qt::PenStyle gridStyle;
int rowSectionAnchor;
int columnSectionAnchor;
int columnResizeTimerID;
int rowResizeTimerID;
QList<int> columnsToUpdate;
QList<int> rowsToUpdate;
QHeaderView *horizontalHeader;
QHeaderView *verticalHeader;
QWidget *cornerWidget;
bool sortingEnabled;
bool geometryRecursionBlock;
QSpanCollection spans;
void setSpan(int row, int column, int rowSpan, int columnSpan);
QSpanCollection::Span span(int row, int column) const;
inline int rowSpan(int row, int column) const {
return span(row, column).height();
}
inline int columnSpan(int row, int column) const {
return span(row, column).width();
}
inline bool hasSpans() const {
return !spans.spans.isEmpty();
}
inline int rowSpanHeight(int row, int span) const {
return sectionSpanSize(verticalHeader, row, span);
}
inline int columnSpanWidth(int column, int span) const {
return sectionSpanSize(horizontalHeader, column, span);
}
inline int rowSpanEndLogical(int row, int span) const {
return sectionSpanEndLogical(verticalHeader, row, span);
}
inline int columnSpanEndLogical(int column, int span) const {
return sectionSpanEndLogical(horizontalHeader, column, span);
}
inline bool isRowHidden(int row) const {
return verticalHeader->isSectionHidden(row);
}
inline bool isColumnHidden(int column) const {
return horizontalHeader->isSectionHidden(column);
}
inline bool isCellEnabled(int row, int column) const {
return isIndexEnabled(model->index(row, column, root));
}
inline bool isVisualRowHiddenOrDisabled(int row, int column) const {
int r = logicalRow(row);
int c = logicalColumn(column);
return isRowHidden(r) || !isCellEnabled(r, c);
}
inline bool isVisualColumnHiddenOrDisabled(int row, int column) const {
int r = logicalRow(row);
int c = logicalColumn(column);
return isColumnHidden(c) || !isCellEnabled(r, c);
}
QRect visualSpanRect(const QSpanCollection::Span &span) const;
void _q_selectRow(int row);
void _q_selectColumn(int column);
void selectRow(int row, bool anchor);
void selectColumn(int column, bool anchor);
};
QT_END_NAMESPACE
#endif // QT_NO_TABLEVIEW
#endif // QTABLEVIEW_P_H
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