00001 #ifndef _QDBTBASECELL_H
00002 #define _QDBTBASECELL_H
00003
00004 #include <qdbt/qdbtglobal.h>
00005 #include <qdbt/qdbtsingleton.h>
00006
00007 class QColor;
00008 class QFont;
00009 class QFontMetrics;
00010 class QKeyEvent;
00011 class QMouseEvent;
00012 class QPainter;
00013 class QRect;
00014 class QString;
00015 class QWidget;
00016
00017 class QdbtBaseTabular;
00018 class QdbtLineEdit;
00019 class QdbtTable;
00020 class QdbtPImpl;
00021 class QdbtEditorBase;
00022
00023 class QDBT_EXPORT QdbtBaseCell
00024 {
00025 short _cellFlags;
00026
00031 friend class QdbtTable;
00032 friend class QdbtEditorBase;
00033
00034 public:
00035 virtual ~QdbtBaseCell();
00036
00037 virtual QdbtBaseCell *clone( QdbtBaseTabular * ) const = 0;
00038
00039 virtual int widthHint( const QFontMetrics &fm ) const;
00040 virtual int heightHint( const QFontMetrics &fm ) const;
00041
00042 virtual const QColor &color( QdbtBaseTabular * ) const;
00043 virtual const QColor &background( QdbtBaseTabular * ) const;
00044
00045 virtual QString text() const;
00046
00047 virtual void setEditable( bool state );
00048 bool isEditable() const;
00049
00050 virtual void paint( QPainter *p, QdbtBaseTabular *t, const QRect & r,
00051 bool selected, bool editing = FALSE );
00052 virtual void paintFocus( QPainter *p, QdbtBaseTabular *t, const QRect & r,
00053 bool selected, bool editing = FALSE );
00054
00055 virtual QRect getTextArea() const;
00056 virtual QRect getEditArea( int width ) const;
00057
00058 void rightButtonClicked( QdbtBaseTabular *tab, int row, int col ) const;
00059
00060 protected:
00061 QdbtBaseCell();
00062
00063 virtual QWidget *editor( QdbtBaseTabular * ) const;
00064
00065 virtual bool beginEdit( QdbtBaseTabular *, int row, int col,
00066 const QRect cellGeometry ) const;
00067 virtual bool acceptEdit( QdbtBaseTabular *, int row, int col );
00068 virtual bool cancelEdit( QdbtBaseTabular *, int row, int col );
00069
00070 virtual bool mouseEvent( QdbtBaseTabular *, int row, int col,
00071 QMouseEvent *e, const QRect cellGeometry );
00072 virtual bool keyEvent( QdbtBaseTabular *, int row, int col,
00073 QKeyEvent *e, const QRect cellGeometry );
00074
00075
00076 virtual void setEditorEnabled( QdbtBaseTabular *, bool ) const;
00077
00078 virtual void moveEditor( QdbtBaseTabular *, const QRect cellGeometry ) const;
00079
00080 bool aboutToBeEdited( QdbtBaseTabular * ) const;
00081 void notifyOnEditResult( QdbtBaseTabular *tab, int row, int col,
00082 int result, QString oldText );
00083 QFont font( QdbtBaseTabular * ) const;
00084 bool prepareEditor( QdbtBaseTabular * tab, const QRect & geom ) const;
00085 bool cleanupEditor( QdbtBaseTabular * tab ) const;
00086
00087 static int MASK_EDITABLE;
00088 static int MASK_SELECTABLE;
00089 static int MASK_SELECTED;
00090 static int bw;
00091
00092 private:
00093 const QdbtPImpl * pimpl( QdbtBaseTabular * tab ) const;
00094 };
00095
00096
00097 class QDBT_EXPORT QdbtNoCell : public QdbtBaseCell
00098 {
00099 public:
00100 QdbtNoCell() : QdbtBaseCell()
00101 {
00102 }
00103 QdbtNoCell( const QdbtNoCell & ) : QdbtBaseCell()
00104 {
00105 }
00106 virtual ~QdbtNoCell()
00107 {
00108 }
00109
00110 inline virtual QString text() const
00111 {
00112 return "";
00113 }
00114
00115 protected:
00116 virtual void paint( QPainter *p, QdbtBaseTabular *t, const QRect & r,
00117 bool selected, bool editing = FALSE );
00118 virtual QdbtBaseCell *clone( QdbtBaseTabular * ) const
00119 {
00120 return new QdbtNoCell( *this );
00121 }
00122 };
00123
00124 #endif
