ntqtable.h Include File

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# ntqtable.h

This is the verbatim text of the ntqtable.h include file. It is provided only for illustration; the copyright remains with Trolltech.

    /****************************************************************************
    **
    ** Definition of TQTable widget class
    **
    ** Created : 000607
    **
    ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
    **
    ** This file is part of the table module of the TQt GUI Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License versions 2.0 or 3.0 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file. Alternatively you may (at your option) use any
    ** later version of the GNU General Public License if such license has
    ** been publicly approved by Trolltech ASA (or its successors, if any)
    ** and the KDE Free TQt Foundation.
    **
    ** Please review the following information to ensure GNU General
    ** Public Licensing requirements will be met:
    ** http://trolltech.com/products/qt/licenses/licensing/opensource/.
    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
    ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
    ** or contact the sales department at sales@trolltech.com.
    **
    ** This file may be used under the terms of the Q Public License as
    ** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
    ** included in the packaging of this file.  Licensees holding valid TQt
    ** Commercial licenses may use this file in accordance with the TQt
    ** Commercial License Agreement provided with the Software.
    **
    ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
    ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
    ** herein.
    **
    **********************************************************************/

    #ifndef TQTABLE_H
    #define TQTABLE_H

    #ifndef QT_H
    #include "ntqscrollview.h"
    #include "ntqpixmap.h"
    #include "ntqptrvector.h"
    #include "ntqheader.h"
    #include "ntqmemarray.h"
    #include "ntqptrlist.h"
    #include "ntqguardedptr.h"
    #include "ntqshared.h"
    #include "ntqintdict.h"
    #include "ntqstringlist.h"
    #endif // QT_H

    #ifndef TQT_NO_TABLE

    #if !defined( TQT_MODULE_TABLE ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_TABLE )
    #define TQM_EXPORT_TABLE
    #ifndef TQM_TEMPLATE_EXTERN_TABLE
    #   define TQM_TEMPLATE_EXTERN_TABLE
    #endif
    #else
    #define TQM_EXPORT_TABLE TQ_EXPORT
    #define TQM_TEMPLATE_EXTERN_TABLE Q_TEMPLATE_EXTERN
    #endif

    class TQTableHeader;
    class TQValidator;
    class TQTable;
    class TQPaintEvent;
    class TQTimer;
    class TQResizeEvent;
    class TQComboBox;
    class TQCheckBox;
    class TQDragObject;

    struct TQTablePrivate;
    struct TQTableHeaderPrivate;

    class TQM_EXPORT_TABLE TQTableSelection
    {
    public:
        TQTableSelection();
        TQTableSelection( 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 TQTableSelection &s ) const;
        bool operator!=( const TQTableSelection &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;
    };

    #define Q_DEFINED_QTABLE_SELECTION
    #include "ntqwinexport.h"

    class TQM_EXPORT_TABLE TQTableItem : public TQt
    {
        friend class TQTable;

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

        TQTableItem( TQTable *table, EditType et );
        TQTableItem( TQTable *table, EditType et, const TQString &text );
        TQTableItem( TQTable *table, EditType et, const TQString &text,
                    const TQPixmap &p );
        virtual ~TQTableItem();

        virtual TQPixmap pixmap() const;
        virtual TQString text() const;
        virtual void setPixmap( const TQPixmap &p );
        virtual void setText( const TQString &t );
        TQTable *table() const { return t; }

        virtual int alignment() const;
        virtual void setWordWrap( bool b );
        bool wordWrap() const;

        EditType editType() const;
        virtual TQWidget *createEditor() const;
        virtual void setContentFromEditor( TQWidget *w );
        virtual void setReplaceable( bool );
        bool isReplaceable() const;

        virtual TQString key() const;
        virtual TQSize 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( TQPainter *p, const TQColorGroup &cg,
                            const TQRect &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:
        TQString txt;
        TQPixmap pix;
        TQTable *t;
        EditType edType;
        uint wordwrap : 1;
        uint tcha : 1;
        uint enabled : 1;
        int rw, cl;
        int rowspan, colspan;
    #if (TQT_VERSION >= 0x040000)
    #error "Add a setAlignment() function in 4.0 (but no d pointer)"
    #endif
    };

    #define Q_DEFINED_QTABLE_ITEM
    #include "ntqwinexport.h"

    class TQM_EXPORT_TABLE TQComboTableItem : public TQTableItem
    {
    public:
        TQComboTableItem( TQTable *table, const TQStringList &list, bool editable = FALSE );
        ~TQComboTableItem();
        virtual TQWidget *createEditor() const;
        virtual void setContentFromEditor( TQWidget *w );
        virtual void paint( TQPainter *p, const TQColorGroup &cg,
                            const TQRect &cr, bool selected );
        virtual void setCurrentItem( int i );
        virtual void setCurrentItem( const TQString &i );
        int currentItem() const;
        TQString currentText() const;
        int count() const;
    #if !defined(Q_NO_USING_KEYWORD)
        using TQTableItem::text;
    #endif
        TQString text( int i ) const;
        virtual void setEditable( bool b );
        bool isEditable() const;
        virtual void setStringList( const TQStringList &l );

        int rtti() const;
        static int RTTI;

        TQSize sizeHint() const;

    private:
        TQComboBox *cb;
        TQStringList entries;
        int current;
        bool edit;
        static TQComboBox *fakeCombo;
        static TQWidget *fakeComboWidget;
        static int fakeRef;

    };

    class TQM_EXPORT_TABLE TQCheckTableItem : public TQTableItem
    {
    public:
        TQCheckTableItem( TQTable *table, const TQString &txt );
        void setText( const TQString &t );
        virtual TQWidget *createEditor() const;
        virtual void setContentFromEditor( TQWidget *w );
        virtual void paint( TQPainter *p, const TQColorGroup &cg,
                            const TQRect &cr, bool selected );
        virtual void setChecked( bool b );
        bool isChecked() const;

        int rtti() const;
        static int RTTI;

        TQSize sizeHint() const;

    private:
        TQCheckBox *cb;
        bool checked;

    };

    class TQM_EXPORT_TABLE TQTable : public TQScrollView
    {
        TQ_OBJECT
        TQ_ENUMS( SelectionMode FocusStyle )
        TQ_PROPERTY( int numRows READ numRows WRITE setNumRows )
        TQ_PROPERTY( int numCols READ numCols WRITE setNumCols )
        TQ_PROPERTY( bool showGrid READ showGrid WRITE setShowGrid )
        TQ_PROPERTY( bool rowMovingEnabled READ rowMovingEnabled WRITE setRowMovingEnabled )
        TQ_PROPERTY( bool columnMovingEnabled READ columnMovingEnabled WRITE setColumnMovingEnabled )
        TQ_PROPERTY( bool readOnly READ isReadOnly WRITE setReadOnly )
        TQ_PROPERTY( bool sorting READ sorting WRITE setSorting )
        TQ_PROPERTY( SelectionMode selectionMode READ selectionMode WRITE setSelectionMode )
        TQ_PROPERTY( FocusStyle focusStyle READ focusStyle WRITE setFocusStyle )
        TQ_PROPERTY( int numSelections READ numSelections )

        friend class TQTableHeader;
        friend class TQComboTableItem;
        friend class TQCheckTableItem;
        friend class TQTableItem;

    public:
        TQTable( TQWidget* parent=0, const char* name=0 );
        TQTable( int numRows, int numCols,
                TQWidget* parent=0, const char* name=0 );
        ~TQTable();

        TQHeader *horizontalHeader() const;
        TQHeader *verticalHeader() const;

        enum SelectionMode { Single, Multi, SingleRow, MultiRow, NoSelection };
        virtual void setSelectionMode( SelectionMode mode );
        SelectionMode selectionMode() const;

        virtual void setItem( int row, int col, TQTableItem *item );
        virtual void setText( int row, int col, const TQString &text );
        virtual void setPixmap( int row, int col, const TQPixmap &pix );
        virtual TQTableItem *item( int row, int col ) const;
        virtual TQString text( int row, int col ) const;
        virtual TQPixmap pixmap( int row, int col ) const;
        virtual void clearCell( int row, int col );

        virtual TQRect 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( TQObject * o, TQEvent * );

        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;
        TQTableSelection selection( int num ) const;
        virtual int addSelection( const TQTableSelection &s );
        virtual void removeSelection( const TQTableSelection &s );
        virtual void removeSelection( int num );
        virtual int currentSelection() const;

        void selectCells( int start_row, int start_col, int end_row, int end_col );
        void selectRow( int row );
        void selectColumn( int col );

        bool showGrid() const;

        bool columnMovingEnabled() const;
        bool rowMovingEnabled() const;

        virtual void sortColumn( int col, bool ascending = TRUE,
                                 bool wholeRows = FALSE );
        bool sorting() const;

        virtual void takeItem( TQTableItem *i );

        virtual void setCellWidget( int row, int col, TQWidget *e );
        virtual TQWidget *cellWidget( int row, int col ) const;
        virtual void clearCellWidget( int row, int col );

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

        virtual void paintCell( TQPainter *p, int row, int col,
                                const TQRect &cr, bool selected );
        virtual void paintCell( TQPainter *p, int row, int col,
                                const TQRect &cr, bool selected, const TQColorGroup &cg );
        virtual void paintFocus( TQPainter *p, const TQRect &r );
        TQSize 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();

    public 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 );
        bool isRowHidden( int row ) const;
        bool isColumnHidden( int col ) const;

        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 );
        bool isColumnStretchable( int col ) const;
        bool isRowStretchable( int row ) const;
        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 );
        bool dragEnabled() const;

        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 TQMemArray<int> &rows );
        virtual void removeColumn( int col );
        virtual void removeColumns( const TQMemArray<int> &cols );

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

        void setRowLabels( const TQStringList &labels );
        void setColumnLabels( const TQStringList &labels );

    protected:
        enum EditMode { NotEditing, Editing, Replacing };
        void drawContents( TQPainter *p, int cx, int cy, int cw, int ch );
        void contentsMousePressEvent( TQMouseEvent* );
        void contentsMouseMoveEvent( TQMouseEvent* );
        void contentsMouseDoubleClickEvent( TQMouseEvent* );
        void contentsMouseReleaseEvent( TQMouseEvent* );
        void contentsContextMenuEvent( TQContextMenuEvent * e );
        void keyPressEvent( TQKeyEvent* );
        void focusInEvent( TQFocusEvent* );
        void focusOutEvent( TQFocusEvent* );
        void viewportResizeEvent( TQResizeEvent * );
        void showEvent( TQShowEvent *e );
        void paintEvent( TQPaintEvent *e );
        void setEditMode( EditMode mode, int row, int col );
    #ifndef TQT_NO_DRAGANDDROP
        virtual void contentsDragEnterEvent( TQDragEnterEvent *e );
        virtual void contentsDragMoveEvent( TQDragMoveEvent *e );
        virtual void contentsDragLeaveEvent( TQDragLeaveEvent *e );
        virtual void contentsDropEvent( TQDropEvent *e );
        virtual TQDragObject *dragObject();
        virtual void startDrag();
    #endif

        virtual void paintEmptyArea( TQPainter *p, int cx, int cy, int cw, int ch );
        virtual void activateNextCell();
        virtual TQWidget *createEditor( int row, int col, bool initFromCell ) const;
        virtual void setCellContentFromEditor( int row, int col );
        virtual TQWidget *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, TQWidget *w );
        int indexOf( int row, int col ) const;

        void windowActivationChange( bool );
        bool isEditing() const;
        EditMode editMode() const;
        int currEditRow() const;
        int currEditCol() const;

    protected 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 );

    signals:
        void currentChanged( int row, int col );
        void clicked( int row, int col, int button, const TQPoint &mousePos );
        void doubleClicked( int row, int col, int button, const TQPoint &mousePos );
        void pressed( int row, int col, int button, const TQPoint &mousePos );
        void selectionChanged();
        void valueChanged( int row, int col );
        void contextMenuRequested( int row, int col, const TQPoint &pos );
    #ifndef TQT_NO_DRAGANDDROP
        void dropped( TQDropEvent *e );
    #endif

    private slots:
        void doAutoScroll();
        void doValueChanged();
        void updateGeometriesSlot();

    private:
        void contentsMousePressEventEx( TQMouseEvent* );
        void drawContents( TQPainter* );
        void updateGeometries();
        void repaintSelections( TQTableSelection *oldSelection,
                                TQTableSelection *newSelection,
                                bool updateVertical = TRUE,
                                bool updateHorizontal = TRUE );
        TQRect 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 );
        TQSize tableSize() const;
        void repaintCell( int row, int col );
        void contentsToViewport2( int x, int y, int& vx, int& vy );
        TQPoint contentsToViewport2( const TQPoint &p );
        void viewportToContents2( int vx, int vy, int& x, int& y );
        TQPoint viewportToContents2( const TQPoint &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( TQWidget *w, int r, int c ) : wid( w ), row( r ), col ( c ) {}
    	TQWidget *wid;
    	int row, col;
        };
        void saveContents( TQPtrVector<TQTableItem> &tmp,
    		       TQPtrVector<TableWidget> &tmp2 );
        void updateHeaderAndResizeContents( TQTableHeader *header,
    					int num, int colRow,
    					int width, bool &updateBefore );
        void restoreContents( TQPtrVector<TQTableItem> &tmp,
    			  TQPtrVector<TableWidget> &tmp2 );
        void finishContentsResze( bool updateBefore );

    private:
        TQPtrVector<TQTableItem> contents;
        TQPtrVector<TQWidget> widgets;
        int curRow;
        int curCol;
        TQTableHeader *leftHeader, *topHeader;
        EditMode edMode;
        int editCol, editRow;
        TQPtrList<TQTableSelection> selections;
        TQTableSelection *currentSel;
        TQTimer *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;
        bool was_visible : 1;
        SelectionMode selMode;
        int pressedRow, pressedCol;
        TQTablePrivate *d;
        TQIntDict<int> roRows;
        TQIntDict<int> roCols;
        int startDragRow;
        int startDragCol;
        TQPoint dragStartPos;
        int oldCurrentRow, oldCurrentCol;
        TQWidget *unused_topLeftCorner; //### remove in 4.0
        FocusStyle focusStl;
        TQSize unused_cachedSizeHint; // ### remove in 4.0

    #if defined(TQ_DISABLE_COPY)
        TQTable( const TQTable & );
        TQTable &operator=( const TQTable & );
    #endif
    };

    #define Q_DEFINED_QTABLE
    #include "ntqwinexport.h"
    #endif // TQT_NO_TABLE
    #endif // TABLE_H