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254 lines
9 KiB
C++
254 lines
9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2016-2020 Ivailo Monev
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**
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** This file is part of the QtGui module of the Katie Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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**
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QTABLEVIEW_P_H
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#define QTABLEVIEW_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Katie API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include <QtCore/QList>
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#include <QtCore/QLinkedList>
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#include <QtCore/QMap>
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#include <QtCore/QSet>
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#include <QtCore/QDebug>
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#include "qabstractitemview_p.h"
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#ifndef QT_NO_TABLEVIEW
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QT_BEGIN_NAMESPACE
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/** \internal
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*
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* This is a list of span with a binary index to look up quickly a span at a certain index.
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*
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* The index is a map of map.
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* spans are mentaly divided into sub spans so that the start of any subspans doesn't overlap
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* with any other subspans. There is no real representation of the subspans.
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* The key of the first map is the row where the subspan starts, the value of the first map is
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* a list (map) of all subspans that starts at the same row. It is indexed with its row
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*/
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class Q_AUTOTEST_EXPORT QSpanCollection
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{
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public:
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struct Span
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{
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int m_top;
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int m_left;
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int m_bottom;
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int m_right;
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bool will_be_deleted;
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Span()
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: m_top(-1), m_left(-1), m_bottom(-1), m_right(-1), will_be_deleted(false) { }
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Span(int row, int column, int rowCount, int columnCount)
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: m_top(row), m_left(column), m_bottom(row+rowCount-1), m_right(column+columnCount-1), will_be_deleted(false) { }
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inline int top() const { return m_top; }
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inline int left() const { return m_left; }
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inline int bottom() const { return m_bottom; }
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inline int right() const { return m_right; }
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inline int height() const { return m_bottom - m_top + 1; }
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inline int width() const { return m_right - m_left + 1; }
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};
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~QSpanCollection()
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{
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qDeleteAll(spans);
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}
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void addSpan(Span *span);
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void updateSpan(Span *span, int old_height);
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Span *spanAt(int x, int y) const;
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void clear();
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QList<Span *> spansInRect(int x, int y, int w, int h) const;
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void updateInsertedRows(int start, int end);
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void updateInsertedColumns(int start, int end);
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void updateRemovedRows(int start, int end);
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void updateRemovedColumns(int start, int end);
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#ifdef QT_BUILD_INTERNAL
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bool checkConsistency() const;
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#endif
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typedef QLinkedList<Span *> SpanList;
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SpanList spans; //lists of all spans
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private:
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//the indexes are negative so the QMap::lowerBound do what i need.
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typedef QMap<int, Span *> SubIndex;
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typedef QMap<int, SubIndex> Index;
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Index index;
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bool cleanSpanSubIndex(SubIndex &subindex, int end, bool update = false);
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};
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Q_DECLARE_TYPEINFO ( QSpanCollection::Span, Q_MOVABLE_TYPE);
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class QTableViewPrivate : public QAbstractItemViewPrivate
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{
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Q_DECLARE_PUBLIC(QTableView)
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public:
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QTableViewPrivate()
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: showGrid(true), gridStyle(Qt::SolidLine),
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rowSectionAnchor(-1), columnSectionAnchor(-1),
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columnResizeTimerID(0), rowResizeTimerID(0),
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horizontalHeader(0), verticalHeader(0),
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sortingEnabled(false), geometryRecursionBlock(false),
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visualCursor(QPoint())
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{
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wrapItemText = true;
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#ifndef QT_NO_DRAGANDDROP
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overwrite = true;
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#endif
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}
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void init();
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void trimHiddenSelections(QItemSelectionRange *range) const;
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inline bool isHidden(int row, int col) const {
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return verticalHeader->isSectionHidden(row)
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|| horizontalHeader->isSectionHidden(col);
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}
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inline int visualRow(int logicalRow) const {
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return verticalHeader->visualIndex(logicalRow);
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}
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inline int visualColumn(int logicalCol) const {
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return horizontalHeader->visualIndex(logicalCol);
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}
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inline int logicalRow(int visualRow) const {
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return verticalHeader->logicalIndex(visualRow);
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}
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inline int logicalColumn(int visualCol) const {
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return horizontalHeader->logicalIndex(visualCol);
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}
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inline int accessibleTable2Index(const QModelIndex &index) const {
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return (index.row() + (horizontalHeader ? 1 : 0)) * (index.model()->columnCount() + (verticalHeader ? 1 : 0))
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+ index.column() + (verticalHeader ? 1 : 0) + 1;
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}
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int sectionSpanEndLogical(const QHeaderView *header, int logical, int span) const;
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int sectionSpanSize(const QHeaderView *header, int logical, int span) const;
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bool spanContainsSection(const QHeaderView *header, int logical, int spanLogical, int span) const;
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void drawAndClipSpans(const QRegion &area, QPainter *painter,
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const QStyleOptionViewItemV4 &option, QBitArray *drawn,
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int firstVisualRow, int lastVisualRow, int firstVisualColumn, int lastVisualColumn);
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void drawCell(QPainter *painter, const QStyleOptionViewItemV4 &option, const QModelIndex &index);
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bool showGrid;
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Qt::PenStyle gridStyle;
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int rowSectionAnchor;
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int columnSectionAnchor;
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int columnResizeTimerID;
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int rowResizeTimerID;
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QList<int> columnsToUpdate;
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QList<int> rowsToUpdate;
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QHeaderView *horizontalHeader;
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QHeaderView *verticalHeader;
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QWidget *cornerWidget;
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bool sortingEnabled;
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bool geometryRecursionBlock;
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QPoint visualCursor; // (Row,column) cell coordinates to track through span navigation.
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QSpanCollection spans;
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void setSpan(int row, int column, int rowSpan, int columnSpan);
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QSpanCollection::Span span(int row, int column) const;
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inline int rowSpan(int row, int column) const {
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return span(row, column).height();
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}
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inline int columnSpan(int row, int column) const {
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return span(row, column).width();
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}
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inline bool hasSpans() const {
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return !spans.spans.isEmpty();
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}
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inline int rowSpanHeight(int row, int span) const {
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return sectionSpanSize(verticalHeader, row, span);
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}
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inline int columnSpanWidth(int column, int span) const {
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return sectionSpanSize(horizontalHeader, column, span);
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}
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inline int rowSpanEndLogical(int row, int span) const {
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return sectionSpanEndLogical(verticalHeader, row, span);
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}
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inline int columnSpanEndLogical(int column, int span) const {
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return sectionSpanEndLogical(horizontalHeader, column, span);
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}
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inline bool isRowHidden(int row) const {
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return verticalHeader->isSectionHidden(row);
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}
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inline bool isColumnHidden(int column) const {
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return horizontalHeader->isSectionHidden(column);
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}
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inline bool isCellEnabled(int row, int column) const {
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return isIndexEnabled(model->index(row, column, root));
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}
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inline bool isVisualRowHiddenOrDisabled(int row, int column) const {
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int r = logicalRow(row);
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int c = logicalColumn(column);
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return isRowHidden(r) || !isCellEnabled(r, c);
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}
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inline bool isVisualColumnHiddenOrDisabled(int row, int column) const {
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int r = logicalRow(row);
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int c = logicalColumn(column);
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return isColumnHidden(c) || !isCellEnabled(r, c);
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}
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QRect visualSpanRect(const QSpanCollection::Span &span) const;
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void _q_selectRow(int row);
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void _q_selectColumn(int column);
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void selectRow(int row, bool anchor);
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void selectColumn(int column, bool anchor);
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void _q_updateSpanInsertedRows(const QModelIndex &parent, int start, int end);
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void _q_updateSpanInsertedColumns(const QModelIndex &parent, int start, int end);
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void _q_updateSpanRemovedRows(const QModelIndex &parent, int start, int end);
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void _q_updateSpanRemovedColumns(const QModelIndex &parent, int start, int end);
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};
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QT_END_NAMESPACE
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#endif // QT_NO_TABLEVIEW
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#endif // QTABLEVIEW_P_H
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