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****************************************************************************/

#ifndef Q3TABLE_H

#define Q3TABLE_H

#include <Qt3Support/q3scrollview.h>

#include <QtGui/qpixmap.h>

#include <Qt3Support/q3ptrvector.h>

#include <Qt3Support/q3header.h>

#include <Qt3Support/q3memarray.h>

#include <Qt3Support/q3ptrlist.h>

#include <Qt3Support/q3shared.h>

#include <Qt3Support/q3intdict.h>

#include <QtCore/qstringlist.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Qt3Support)

class Q3TableHeader;

class QValidator;

class Q3Table;

class QPaintEvent;

class QTimer;

class QResizeEvent;

class Q3ComboBox;

class QCheckBox;

class Q3DragObject;

class QColorGroup;

struct Q3TablePrivate;

struct Q3TableHeaderPrivate;

class Q_COMPAT_EXPORT Q3TableSelection

{

public:

    Q3TableSelection();

    Q3TableSelection(int start_row, int start_col, int end_row, int end_col);

    void init(int row, int col);

    void expandTo(int row, int col);

    bool operator==(const Q3TableSelection &s) const;

    bool operator!=(const Q3TableSelection &s) const { return !(operator==(s)); }

    int topRow() const { return tRow; }

    int bottomRow() const { return bRow; }

    int leftCol() const { return lCol; }

    int rightCol() const { return rCol; }

    int anchorRow() const { return aRow; }

    int anchorCol() const { return aCol; }

    int numRows() const;

    int numCols() const;

    bool isActive() const { return active; }

    bool isEmpty() const { return numRows() == 0; }

private:

    uint active : 1;

    uint inited : 1;

    int tRow, lCol, bRow, rCol;

    int aRow, aCol;

};

class Q_COMPAT_EXPORT Q3TableItem

{

    friend class Q3Table;

public:

    enum EditType { Never, OnTyping, WhenCurrent, Always };

    Q3TableItem(Q3Table *table, EditType et);

    Q3TableItem(Q3Table *table, EditType et, const QString &text);

    Q3TableItem(Q3Table *table, EditType et, const QString &text,

                const QPixmap &p);

    virtual ~Q3TableItem();

    virtual QPixmap pixmap() const;

    virtual QString text() const;

    virtual void setPixmap(const QPixmap &p);

    virtual void setText(const QString &t);

    Q3Table *table() const { return t; }

    virtual int alignment() const;

    virtual void setWordWrap(bool b);

    bool wordWrap() const;

    EditType editType() const;

    virtual QWidget *createEditor() const;

    virtual void setContentFromEditor(QWidget *w);

    virtual void setReplaceable(bool);

    bool isReplaceable() const;

    virtual QString key() const;

    virtual QSize sizeHint() const;

    virtual void setSpan(int rs, int cs);

    int rowSpan() const;

    int colSpan() const;

    virtual void setRow(int r);

    virtual void setCol(int c);

    int row() const;

    int col() const;

    virtual void paint(QPainter *p, const QColorGroup &cg,

                        const QRect &cr, bool selected);

    void updateEditor(int oldRow, int oldCol);

    virtual void setEnabled(bool b);

    bool isEnabled() const;

    virtual int rtti() const;

    static int RTTI;

private:

    QString txt;

    QPixmap pix;

    Q3Table *t;

    EditType edType;

    uint wordwrap : 1;

    uint tcha : 1;

    uint enabled : 1;

    int rw, cl;

    int rowspan, colspan;

};

class Q_COMPAT_EXPORT Q3ComboTableItem : public Q3TableItem

{

public:

    Q3ComboTableItem(Q3Table *table, const QStringList &list, bool editable = false);

    ~Q3ComboTableItem();

    virtual QWidget *createEditor() const;

    virtual void setContentFromEditor(QWidget *w);

    virtual void paint(QPainter *p, const QColorGroup &cg,

                        const QRect &cr, bool selected);

    virtual void setCurrentItem(int i);

    virtual void setCurrentItem(const QString &i);

    int currentItem() const;

    QString currentText() const;

    int count() const;

#if !defined(Q_NO_USING_KEYWORD)

    using Q3TableItem::text;

#else

    inline QString text() const { return Q3TableItem::text(); }

#endif

    QString text(int i) const;

    virtual void setEditable(bool b);

    bool isEditable() const;

    virtual void setStringList(const QStringList &l);

    int rtti() const;

    static int RTTI;

    QSize sizeHint() const;

private:

    Q3ComboBox *cb;

    QStringList entries;

    int current;

    bool edit;

    static Q3ComboBox *fakeCombo;

    static QWidget *fakeComboWidget;

    static int fakeRef;

};

class Q_COMPAT_EXPORT Q3CheckTableItem : public Q3TableItem

{

public:

    Q3CheckTableItem(Q3Table *table, const QString &txt);

    void setText(const QString &t);

    virtual QWidget *createEditor() const;

    virtual void setContentFromEditor(QWidget *w);

    virtual void paint(QPainter *p, const QColorGroup &cg,

                        const QRect &cr, bool selected);

    virtual void setChecked(bool b);

    bool isChecked() const;

    int rtti() const;

    static int RTTI;

    QSize sizeHint() const;

private:

    QCheckBox *cb;

    bool checked;

};

class Q_COMPAT_EXPORT Q3Table : public Q3ScrollView

{

    Q_OBJECT

    Q_ENUMS(SelectionMode FocusStyle)

    Q_PROPERTY(int numRows READ numRows WRITE setNumRows)

    Q_PROPERTY(int numCols READ numCols WRITE setNumCols)

    Q_PROPERTY(bool showGrid READ showGrid WRITE setShowGrid)

    Q_PROPERTY(bool rowMovingEnabled READ rowMovingEnabled WRITE setRowMovingEnabled)

    Q_PROPERTY(bool columnMovingEnabled READ columnMovingEnabled WRITE setColumnMovingEnabled)

    Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly)

    Q_PROPERTY(bool sorting READ sorting WRITE setSorting)

    Q_PROPERTY(SelectionMode selectionMode READ selectionMode WRITE setSelectionMode)

    Q_PROPERTY(FocusStyle focusStyle READ focusStyle WRITE setFocusStyle)

    Q_PROPERTY(int numSelections READ numSelections)

    friend class Q3TableHeader;

    friend class Q3ComboTableItem;

    friend class Q3CheckTableItem;

    friend class Q3TableItem;

public:

    Q3Table(QWidget* parent=0, const char* name=0);

    Q3Table(int numRows, int numCols,

            QWidget* parent=0, const char* name=0);

    ~Q3Table();

    Q3Header *horizontalHeader() const;

    Q3Header *verticalHeader() const;

    enum SelectionMode { Single, Multi, SingleRow, MultiRow, NoSelection };

    virtual void setSelectionMode(SelectionMode mode);

    SelectionMode selectionMode() const;

    virtual void setItem(int row, int col, Q3TableItem *item);

    virtual void setText(int row, int col, const QString &text);

    virtual void setPixmap(int row, int col, const QPixmap &pix);

    virtual Q3TableItem *item(int row, int col) const;

    virtual QString text(int row, int col) const;

    virtual QPixmap pixmap(int row, int col) const;

    virtual void clearCell(int row, int col);

    virtual QRect cellGeometry(int row, int col) const;

    virtual int columnWidth(int col) const;

    virtual int rowHeight(int row) const;

    virtual int columnPos(int col) const;

    virtual int rowPos(int row) const;

    virtual int columnAt(int x) const;

    virtual int rowAt(int y) const;

    virtual int numRows() const;

    virtual int numCols() const;

    void updateCell(int row, int col);

    bool eventFilter(QObject * o, QEvent *);

    int currentRow() const { return curRow; }

    int currentColumn() const { return curCol; }

    void ensureCellVisible(int row, int col);

    bool isSelected(int row, int col) const;

    bool isRowSelected(int row, bool full = false) const;

    bool isColumnSelected(int col, bool full = false) const;

    int numSelections() const;

    Q3TableSelection selection(int num) const;

    virtual int addSelection(const Q3TableSelection &s);

    virtual void removeSelection(const Q3TableSelection &s);

    virtual void removeSelection(int num);

    virtual int currentSelection() const;

    void selectCells(int start_row, int start_col, int end_row, int end_col);

    virtual void selectRow(int row);

    virtual void selectColumn(int col);

    bool showGrid() const;

    QVariant inputMethodQuery(Qt::InputMethodQuery query) const;

    bool columnMovingEnabled() const;

    bool rowMovingEnabled() const;

    virtual void sortColumn(int col, bool ascending = true,

                             bool wholeRows = false);

    bool sorting() const;

    virtual void takeItem(Q3TableItem *i);

    virtual void setCellWidget(int row, int col, QWidget *e);

    virtual QWidget *cellWidget(int row, int col) const;

    virtual void clearCellWidget(int row, int col);

    virtual QRect cellRect(int row, int col) const;

    virtual void paintCell(QPainter *p, int row, int col,

                            const QRect &cr, bool selected);

    virtual void paintCell(QPainter *p, int row, int col,

                            const QRect &cr, bool selected, const QColorGroup &cg);

    virtual void paintFocus(QPainter *p, const QRect &r);

    QSize sizeHint() const;

    bool isReadOnly() const;

    bool isRowReadOnly(int row) const;

    bool isColumnReadOnly(int col) const;

    void setEnabled(bool b);

    void repaintSelections();

    enum FocusStyle { FollowStyle, SpreadSheet };

    virtual void setFocusStyle(FocusStyle fs);

    FocusStyle focusStyle() const;

    void updateHeaderStates();

    bool isRowHidden(int row) const;

    bool isColumnHidden(int col) const;

    bool isColumnStretchable(int col) const;

    bool isRowStretchable(int row) const;

    bool dragEnabled() const;

public Q_SLOTS:

    virtual void setNumRows(int r);

    virtual void setNumCols(int r);

    virtual void setShowGrid(bool b);

    virtual void hideRow(int row);

    virtual void hideColumn(int col);

    virtual void showRow(int row);

    virtual void showColumn(int col);

    virtual void setColumnWidth(int col, int w);

    virtual void setRowHeight(int row, int h);

    virtual void adjustColumn(int col);

    virtual void adjustRow(int row);

    virtual void setColumnStretchable(int col, bool stretch);

    virtual void setRowStretchable(int row, bool stretch);

    virtual void setSorting(bool b);

    virtual void swapRows(int row1, int row2, bool swapHeader = false);

    virtual void swapColumns(int col1, int col2, bool swapHeader = false);

    virtual void swapCells(int row1, int col1, int row2, int col2);

    virtual void setLeftMargin(int m);

    virtual void setTopMargin(int m);

    virtual void setCurrentCell(int row, int col);

    void clearSelection(bool repaint = true);

    virtual void setColumnMovingEnabled(bool b);

    virtual void setRowMovingEnabled(bool b);

    virtual void setReadOnly(bool b);

    virtual void setRowReadOnly(int row, bool ro);

    virtual void setColumnReadOnly(int col, bool ro);

    virtual void setDragEnabled(bool b);

    virtual void insertRows(int row, int count = 1);

    virtual void insertColumns(int col, int count = 1);

    virtual void removeRow(int row);

    virtual void removeRows(const Q3MemArray<int> &rows);

    virtual void removeColumn(int col);

    virtual void removeColumns(const Q3MemArray<int> &cols);

    virtual void editCell(int row, int col, bool replace = false);

    void setRowLabels(const QStringList &labels);

    void setColumnLabels(const QStringList &labels);

protected:

    enum EditMode { NotEditing, Editing, Replacing };

    void drawContents(QPainter *p, int cx, int cy, int cw, int ch);

    void contentsMousePressEvent(QMouseEvent*);

    void contentsMouseMoveEvent(QMouseEvent*);

    void contentsMouseDoubleClickEvent(QMouseEvent*);

    void contentsMouseReleaseEvent(QMouseEvent*);

    void contentsContextMenuEvent(QContextMenuEvent * e);

    void keyPressEvent(QKeyEvent*);

    void focusInEvent(QFocusEvent*);

    void focusOutEvent(QFocusEvent*);

    void viewportResizeEvent(QResizeEvent *);

    void showEvent(QShowEvent *e);

    void paintEvent(QPaintEvent *e);

    void setEditMode(EditMode mode, int row, int col);

#ifndef QT_NO_DRAGANDDROP

    virtual void contentsDragEnterEvent(QDragEnterEvent *e);

    virtual void contentsDragMoveEvent(QDragMoveEvent *e);

    virtual void contentsDragLeaveEvent(QDragLeaveEvent *e);

    virtual void contentsDropEvent(QDropEvent *e);

    virtual Q3DragObject *dragObject();

    virtual void startDrag();

#endif

    virtual void paintEmptyArea(QPainter *p, int cx, int cy, int cw, int ch);

    virtual void activateNextCell();

    virtual QWidget *createEditor(int row, int col, bool initFromCell) const;

    virtual void setCellContentFromEditor(int row, int col);

    virtual QWidget *beginEdit(int row, int col, bool replace);

    virtual void endEdit(int row, int col, bool accept, bool replace);

    virtual void resizeData(int len);

    virtual void insertWidget(int row, int col, QWidget *w);

    int indexOf(int row, int col) const;

    void windowActivationChange(bool);

    bool isEditing() const;

    EditMode editMode() const;

    int currEditRow() const;

    int currEditCol() const;

protected Q_SLOTS:

    virtual void columnWidthChanged(int col);

    virtual void rowHeightChanged(int row);

    virtual void columnIndexChanged(int section, int fromIndex, int toIndex);

    virtual void rowIndexChanged(int section, int fromIndex, int toIndex);

    virtual void columnClicked(int col);

Q_SIGNALS:

    void currentChanged(int row, int col);

    void clicked(int row, int col, int button, const QPoint &mousePos);

    void doubleClicked(int row, int col, int button, const QPoint &mousePos);

    void pressed(int row, int col, int button, const QPoint &mousePos);

    void selectionChanged();

    void valueChanged(int row, int col);

    void contextMenuRequested(int row, int col, const QPoint &pos);

#ifndef QT_NO_DRAGANDDROP

    void dropped(QDropEvent *e);

#endif

private Q_SLOTS:

    void doAutoScroll();

    void doValueChanged();

    void updateGeometriesSlot();

private:

    void contentsMousePressEventEx(QMouseEvent*);

    void drawContents(QPainter*);

    void updateGeometries();

    void repaintSelections(Q3TableSelection *oldSelection,

                            Q3TableSelection *newSelection,

                            bool updateVertical = true,

                            bool updateHorizontal = true);

    QRect rangeGeometry(int topRow, int leftCol,

                         int bottomRow, int rightCol, bool &optimize);

    void fixRow(int &row, int y);

    void fixCol(int &col, int x);

    void init(int numRows, int numCols);

    QSize tableSize() const;

    void repaintCell(int row, int col);

    void contentsToViewport2(int x, int y, int& vx, int& vy);

    QPoint contentsToViewport2(const QPoint &p);

    void viewportToContents2(int vx, int vy, int& x, int& y);

    QPoint viewportToContents2(const QPoint &p);

    void updateRowWidgets(int row);

    void updateColWidgets(int col);

    bool isSelected(int row, int col, bool includeCurrent) const;

    void setCurrentCell(int row, int col, bool updateSelections, bool ensureVisible = false);

    void fixCell(int &row, int &col, int key);

    void delayedUpdateGeometries();

    struct TableWidget

    {

	TableWidget(QWidget *w, int r, int c) : wid(w), row(r), col (c) {}

	QWidget *wid;

	int row, col;

    };

    void saveContents(Q3PtrVector<Q3TableItem> &tmp,

		       Q3PtrVector<TableWidget> &tmp2);

    void updateHeaderAndResizeContents(Q3TableHeader *header,

					int num, int colRow,

					int width, bool &updateBefore);

    void restoreContents(Q3PtrVector<Q3TableItem> &tmp,

			  Q3PtrVector<TableWidget> &tmp2);

    void finishContentsResze(bool updateBefore);

private:

    Q3PtrVector<Q3TableItem> contents;

    Q3PtrVector<QWidget> widgets;

    int curRow;

    int curCol;

    Q3TableHeader *leftHeader, *topHeader;

    EditMode edMode;

    int editCol, editRow;

    Q3PtrList<Q3TableSelection> selections;

    Q3TableSelection *currentSel;

    QTimer *autoScrollTimer;

    int lastSortCol;

    bool sGrid : 1;

    bool mRows : 1;

    bool mCols : 1;

    bool asc : 1;

    bool doSort : 1;

    bool unused : 1;

    bool readOnly : 1;

    bool shouldClearSelection : 1;

    bool dEnabled : 1;

    bool context_menu : 1;

    bool drawActiveSelection : 1;