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| ** Copyright (C) 2015 The Qt Company Ltd. |
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| ** This file is part of the QtWidgets module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #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/QLinkedList> |
| #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 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(); |
| QList<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 QLinkedList<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_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), |
| visualCursor(QPoint()) |
| { |
| 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); |
| } |
| |
| 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 rowSectionAnchor; |
| int columnSectionAnchor; |
| int columnResizeTimerID; |
| int rowResizeTimerID; |
| QList<int> columnsToUpdate; |
| QList<int> rowsToUpdate; |
| QHeaderView *horizontalHeader; |
| QHeaderView *verticalHeader; |
| QWidget *cornerWidget; |
| 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.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); |
| |
| void _q_updateSpanInsertedRows(const QModelIndex &parent, int start, int end); |
| void _q_updateSpanInsertedColumns(const QModelIndex &parent, int start, int end); |
| void _q_updateSpanRemovedRows(const QModelIndex &parent, int start, int end); |
| void _q_updateSpanRemovedColumns(const QModelIndex &parent, int start, int end); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_NO_TABLEVIEW |
| |
| #endif // QTABLEVIEW_P_H |