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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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 <QtWidgets/private/qtwidgetsglobal_p.h>
#include "qtableview.h"
#include "qheaderview.h"
#include <QtCore/QList>
#include <QtCore/QMap>
#include <QtCore/QSet>
#include <QtCore/QDebug>
#include "private/qabstractitemview_p.h"
#include <array>
#include <list>
#include <vector>
QT_REQUIRE_CONFIG(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 Q_AUTOTEST_EXPORT QSpanCollection
{
public:
struct Span
{
int m_top;
int m_left;
int m_bottom;
int m_right;
bool will_be_deleted;
Span()
: m_top(-1), m_left(-1), m_bottom(-1), m_right(-1), will_be_deleted(false) { }
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), will_be_deleted(false) { }
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();
QSet<Span *> spansInRect(int x, int y, int w, int h) const;
void updateInsertedRows(int start, int end);
void updateInsertedColumns(int start, int end);
void updateRemovedRows(int start, int end);
void updateRemovedColumns(int start, int end);
#ifdef QT_BUILD_INTERNAL
bool checkConsistency() const;
#endif
typedef std::list<Span *> SpanList;
SpanList 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;
bool cleanSpanSubIndex(SubIndex &subindex, int end, bool update = false);
};
Q_DECLARE_TYPEINFO ( QSpanCollection::Span, Q_RELOCATABLE_TYPE);
#if QT_CONFIG(abstractbutton)
class QTableCornerButton;
#endif
class Q_AUTOTEST_EXPORT QTableViewPrivate : public QAbstractItemViewPrivate
{
Q_DECLARE_PUBLIC(QTableView)
public:
QTableViewPrivate()
: showGrid(true), gridStyle(Qt::SolidLine),
columnResizeTimerID(0), rowResizeTimerID(0),
horizontalHeader(nullptr), verticalHeader(nullptr),
sortingEnabled(false), geometryRecursionBlock(false),
visualCursor(QPoint())
{
wrapItemText = true;
#if QT_CONFIG(draganddrop)
overwrite = true;
#endif
}
void init();
void clearConnections();
void trimHiddenSelections(QItemSelectionRange *range) const;
QRect intersectedRect(const QRect rect, const QModelIndex &topLeft, const QModelIndex &bottomRight) const override;
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);
}
inline int accessibleTable2Index(const QModelIndex &index) const {
const int vHeader = verticalHeader ? 1 : 0;
return (index.row() + (horizontalHeader ? 1 : 0)) * (index.model()->columnCount() + vHeader)
+ index.column() + vHeader;
}
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 QStyleOptionViewItem &option, QBitArray *drawn,
int firstVisualRow, int lastVisualRow, int firstVisualColumn, int lastVisualColumn);
void drawCell(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index);
int widthHintForIndex(const QModelIndex &index, int hint, const QStyleOptionViewItem &option) const;
int heightHintForIndex(const QModelIndex &index, int hint, QStyleOptionViewItem &option) const;
bool showGrid;
Qt::PenStyle gridStyle;
int columnResizeTimerID;
int rowResizeTimerID;
QList<int> columnsToUpdate;
QList<int> rowsToUpdate;
QHeaderView *horizontalHeader;
QHeaderView *verticalHeader;
#if QT_CONFIG(abstractbutton)
QTableCornerButton *cornerWidget;
QMetaObject::Connection cornerWidgetConnection;
#endif
QMetaObject::Connection selectionmodelConnection;
std::array<QMetaObject::Connection, 4> modelConnections;
std::array<QMetaObject::Connection, 7> verHeaderConnections;
std::array<QMetaObject::Connection, 5> horHeaderConnections;
std::vector<QMetaObject::Connection> dynHorHeaderConnections;
bool sortingEnabled;
bool geometryRecursionBlock;
QPoint visualCursor; // (Row,column) cell coordinates to track through span navigation.
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.empty();
}
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));
}
enum class SearchDirection
{
Increasing,
Decreasing
};
int nextActiveVisualRow(int rowToStart, int column, int limit,
SearchDirection searchDirection) const;
int nextActiveVisualColumn(int row, int columnToStart, int limit,
SearchDirection searchDirection) const;
QRect visualSpanRect(const QSpanCollection::Span &span) const;
void selectRow(int row, bool anchor);
void selectColumn(int column, bool anchor);
void updateSpanInsertedRows(const QModelIndex &parent, int start, int end);
void updateSpanInsertedColumns(const QModelIndex &parent, int start, int end);
void updateSpanRemovedRows(const QModelIndex &parent, int start, int end);
void updateSpanRemovedColumns(const QModelIndex &parent, int start, int end);
void sortIndicatorChanged(int column, Qt::SortOrder order);
};
QT_END_NAMESPACE
#endif // QTABLEVIEW_P_H
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