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qtablewidget.h

/****************************************************************************
**
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**
** This file is part of the QtGui module of the Qt Toolkit.
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** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
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** (or its successors, if any) and the KDE Free Qt Foundation. In
** addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
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#ifndef QTABLEWIDGET_H
#define QTABLEWIDGET_H

#include <QtGui/qtableview.h>
#include <QtCore/qvariant.h>
#include <QtCore/qvector.h>

QT_BEGIN_HEADER

QT_MODULE(Gui)

#ifndef QT_NO_TABLEWIDGET

00057 class Q_GUI_EXPORT QTableWidgetSelectionRange
{
public:
    QTableWidgetSelectionRange();
    QTableWidgetSelectionRange(int top, int left, int bottom, int right);
    QTableWidgetSelectionRange(const QTableWidgetSelectionRange &other);
    ~QTableWidgetSelectionRange();

00065     inline int topRow() const { return top; }
00066     inline int bottomRow() const { return bottom; }
00067     inline int leftColumn() const { return left; }
00068     inline int rightColumn() const { return right; }
00069     inline int rowCount() const { return bottom - top + 1; }
00070     inline int columnCount() const { return right - left + 1; }

private:
    int top, left, bottom, right;
};

class QTableWidget;
class QTableModel;
class QWidgetItemData;
class QTableWidgetItemPrivate;

00081 class Q_GUI_EXPORT QTableWidgetItem
{
    friend class QTableWidget;
    friend class QTableModel;
public:
00086     enum ItemType { Type = 0, UserType = 1000 };
    QTableWidgetItem(int type = Type);
    explicit QTableWidgetItem(const QString &text, int type = Type);
    explicit QTableWidgetItem(const QIcon &icon, const QString &text, int type = Type);
    QTableWidgetItem(const QTableWidgetItem &other);
    virtual ~QTableWidgetItem();

    virtual QTableWidgetItem *clone() const;

00095     inline QTableWidget *tableWidget() const { return view; }

    inline int row() const;
    inline int column() const;

    inline void setSelected(bool select);
    inline bool isSelected() const;

00103     inline Qt::ItemFlags flags() const { return itemFlags; }
    void setFlags(Qt::ItemFlags flags);

00106     inline QString text() const
        { return data(Qt::DisplayRole).toString(); }
    inline void setText(const QString &text);

00110     inline QIcon icon() const
        { return qvariant_cast<QIcon>(data(Qt::DecorationRole)); }
    inline void setIcon(const QIcon &icon);

00114     inline QString statusTip() const
        { return data(Qt::StatusTipRole).toString(); }
    inline void setStatusTip(const QString &statusTip);

#ifndef QT_NO_TOOLTIP
00119     inline QString toolTip() const
        { return data(Qt::ToolTipRole).toString(); }
    inline void setToolTip(const QString &toolTip);
#endif

#ifndef QT_NO_WHATSTHIS
00125     inline QString whatsThis() const
        { return data(Qt::WhatsThisRole).toString(); }
    inline void setWhatsThis(const QString &whatsThis);
#endif

00130     inline QFont font() const
        { return qvariant_cast<QFont>(data(Qt::FontRole)); }
    inline void setFont(const QFont &font);

00134     inline int textAlignment() const
        { return data(Qt::TextAlignmentRole).toInt(); }
00136     inline void setTextAlignment(int alignment)
        { setData(Qt::TextAlignmentRole, alignment); }

00139     inline QColor backgroundColor() const
        { return qvariant_cast<QColor>(data(Qt::BackgroundColorRole)); }
00141     inline void setBackgroundColor(const QColor &color)
        { setData(Qt::BackgroundColorRole, color); }

00144     inline QBrush background() const
        { return qvariant_cast<QBrush>(data(Qt::BackgroundRole)); }
00146     inline void setBackground(const QBrush &brush)
        { setData(Qt::BackgroundRole, brush); }

00149     inline QColor textColor() const
        { return qvariant_cast<QColor>(data(Qt::TextColorRole)); }
00151     inline void setTextColor(const QColor &color)
        { setData(Qt::TextColorRole, color); }

00154     inline QBrush foreground() const
        { return qvariant_cast<QBrush>(data(Qt::ForegroundRole)); }
00156     inline void setForeground(const QBrush &brush)
        { setData(Qt::ForegroundRole, brush); }

00159     inline Qt::CheckState checkState() const
        { return static_cast<Qt::CheckState>(data(Qt::CheckStateRole).toInt()); }
00161     inline void setCheckState(Qt::CheckState state)
        { setData(Qt::CheckStateRole, state); }

00164     inline QSize sizeHint() const
        { return qvariant_cast<QSize>(data(Qt::SizeHintRole)); }
00166     inline void setSizeHint(const QSize &size)
        { setData(Qt::SizeHintRole, size); }

    virtual QVariant data(int role) const;
    virtual void setData(int role, const QVariant &value);

    virtual bool operator<(const QTableWidgetItem &other) const;

#ifndef QT_NO_DATASTREAM
    virtual void read(QDataStream &in);
    virtual void write(QDataStream &out) const;
#endif
    QTableWidgetItem &operator=(const QTableWidgetItem &other);

00180     inline int type() const { return rtti; }

private:
    int rtti;
    QVector<QWidgetItemData> values;
    QTableWidget *view;
    QTableWidgetItemPrivate *d;
    Qt::ItemFlags itemFlags;
};

00190 inline void QTableWidgetItem::setText(const QString &atext)
{ setData(Qt::DisplayRole, atext); }

00193 inline void QTableWidgetItem::setIcon(const QIcon &aicon)
{ setData(Qt::DecorationRole, aicon); }

00196 inline void QTableWidgetItem::setStatusTip(const QString &astatusTip)
{ setData(Qt::StatusTipRole, astatusTip); }

#ifndef QT_NO_TOOLTIP
00200 inline void QTableWidgetItem::setToolTip(const QString &atoolTip)
{ setData(Qt::ToolTipRole, atoolTip); }
#endif

#ifndef QT_NO_WHATSTHIS
00205 inline void QTableWidgetItem::setWhatsThis(const QString &awhatsThis)
{ setData(Qt::WhatsThisRole, awhatsThis); }
#endif

00209 inline void QTableWidgetItem::setFont(const QFont &afont)
{ setData(Qt::FontRole, afont); }

#ifndef QT_NO_DATASTREAM
Q_GUI_EXPORT QDataStream &operator>>(QDataStream &in, QTableWidgetItem &item);
Q_GUI_EXPORT QDataStream &operator<<(QDataStream &out, const QTableWidgetItem &item);
#endif

class QTableWidgetPrivate;

00219 class Q_GUI_EXPORT QTableWidget : public QTableView
{
    Q_OBJECT
00222     Q_PROPERTY(int rowCount READ rowCount WRITE setRowCount)
00223     Q_PROPERTY(int columnCount READ columnCount WRITE setColumnCount)

    friend class QTableModel;
public:
    explicit QTableWidget(QWidget *parent = 0);
    QTableWidget(int rows, int columns, QWidget *parent = 0);
    ~QTableWidget();

    void setRowCount(int rows);
    int rowCount() const;

    void setColumnCount(int columns);
    int columnCount() const;

    int row(const QTableWidgetItem *item) const;
    int column(const QTableWidgetItem *item) const;

    QTableWidgetItem *item(int row, int column) const;
    void setItem(int row, int column, QTableWidgetItem *item);
    QTableWidgetItem *takeItem(int row, int column);

    QTableWidgetItem *verticalHeaderItem(int row) const;
    void setVerticalHeaderItem(int row, QTableWidgetItem *item);
    QTableWidgetItem *takeVerticalHeaderItem(int row);

    QTableWidgetItem *horizontalHeaderItem(int column) const;
    void setHorizontalHeaderItem(int column, QTableWidgetItem *item);
    QTableWidgetItem *takeHorizontalHeaderItem(int column);
    void setVerticalHeaderLabels(const QStringList &labels);
    void setHorizontalHeaderLabels(const QStringList &labels);

    int currentRow() const;
    int currentColumn() const;
    QTableWidgetItem *currentItem() const;
    void setCurrentItem(QTableWidgetItem *item);
    void setCurrentCell(int row, int column);

    void sortItems(int column, Qt::SortOrder order = Qt::AscendingOrder);
    void setSortingEnabled(bool enable);
    bool isSortingEnabled() const;

    void editItem(QTableWidgetItem *item);
    void openPersistentEditor(QTableWidgetItem *item);
    void closePersistentEditor(QTableWidgetItem *item);

    QWidget *cellWidget(int row, int column) const;
    void setCellWidget(int row, int column, QWidget *widget);
    inline void removeCellWidget(int row, int column);

    bool isItemSelected(const QTableWidgetItem *item) const;
    void setItemSelected(const QTableWidgetItem *item, bool select);
    void setRangeSelected(const QTableWidgetSelectionRange &range, bool select);

    QList<QTableWidgetSelectionRange> selectedRanges() const;
    QList<QTableWidgetItem*> selectedItems();
    QList<QTableWidgetItem*> findItems(const QString &text, Qt::MatchFlags flags) const;

    int visualRow(int logicalRow) const;
    int visualColumn(int logicalColumn) const;

    QTableWidgetItem *itemAt(const QPoint &p) const;
    inline QTableWidgetItem *itemAt(int x, int y) const;
    QRect visualItemRect(const QTableWidgetItem *item) const;

    const QTableWidgetItem *itemPrototype() const;
    void setItemPrototype(const QTableWidgetItem *item);

public Q_SLOTS:
    void scrollToItem(const QTableWidgetItem *item, QAbstractItemView::ScrollHint hint = EnsureVisible);
    void insertRow(int row);
    void insertColumn(int column);
    void removeRow(int row);
    void removeColumn(int column);
    void clear();
    void clearContents();

Q_SIGNALS:
    void itemPressed(QTableWidgetItem *item);
    void itemClicked(QTableWidgetItem *item);
    void itemDoubleClicked(QTableWidgetItem *item);

    void itemActivated(QTableWidgetItem *item);
    void itemEntered(QTableWidgetItem *item);
    void itemChanged(QTableWidgetItem *item);

    void currentItemChanged(QTableWidgetItem *current, QTableWidgetItem *previous);
    void itemSelectionChanged();

    void cellPressed(int row, int column);
    void cellClicked(int row, int column);
    void cellDoubleClicked(int row, int column);

    void cellActivated(int row, int column);
    void cellEntered(int row, int column);
    void cellChanged(int row, int column);

    void currentCellChanged(int currentRow, int currentColumn, int previousRow, int previousColumn);

protected:
    bool event(QEvent *e);
    virtual QStringList mimeTypes() const;
    virtual QMimeData *mimeData(const QList<QTableWidgetItem*> items) const;
    virtual bool dropMimeData(int row, int column, const QMimeData *data, Qt::DropAction action);
    virtual Qt::DropActions supportedDropActions() const;
    QList<QTableWidgetItem*> items(const QMimeData *data) const;

    QModelIndex indexFromItem(QTableWidgetItem *item) const;
    QTableWidgetItem *itemFromIndex(const QModelIndex &index) const;
    void dropEvent(QDropEvent *event);

private:
    void setModel(QAbstractItemModel *model);

    Q_DECLARE_PRIVATE(QTableWidget)
    Q_DISABLE_COPY(QTableWidget)

    Q_PRIVATE_SLOT(d_func(), void _q_emitItemPressed(const QModelIndex &index))
    Q_PRIVATE_SLOT(d_func(), void _q_emitItemClicked(const QModelIndex &index))
    Q_PRIVATE_SLOT(d_func(), void _q_emitItemDoubleClicked(const QModelIndex &index))
    Q_PRIVATE_SLOT(d_func(), void _q_emitItemActivated(const QModelIndex &index))
    Q_PRIVATE_SLOT(d_func(), void _q_emitItemEntered(const QModelIndex &index))
    Q_PRIVATE_SLOT(d_func(), void _q_emitItemChanged(const QModelIndex &index))
    Q_PRIVATE_SLOT(d_func(), void _q_emitCurrentItemChanged(const QModelIndex &previous, const QModelIndex &current))
    Q_PRIVATE_SLOT(d_func(), void _q_sort())
    Q_PRIVATE_SLOT(d_func(), void _q_dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight))
};

00350 inline void QTableWidget::removeCellWidget(int arow, int acolumn)
{ setCellWidget(arow, acolumn, 0); }

00353 inline QTableWidgetItem *QTableWidget::itemAt(int ax, int ay) const
{ return itemAt(QPoint(ax, ay)); }

00356 inline int QTableWidgetItem::row() const
{ return (view ? view->row(this) : -1); }

00359 inline int QTableWidgetItem::column() const
{ return (view ? view->column(this) : -1); }

00362 inline void QTableWidgetItem::setSelected(bool aselect)
{ if (view) view->setItemSelected(this, aselect); }

00365 inline bool QTableWidgetItem::isSelected() const
{ return (view ? view->isItemSelected(this) : false); }

#endif // QT_NO_TABLEWIDGET

QT_END_HEADER

#endif // QTABLEWIDGET_H

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