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src/qt/src/widgets/qgridview.h
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00001 /**********************************************************************
00002 ** $Id: qt/qgridview.h   3.3.8   edited Jan 11 14:38 $
00003 **
00004 ** Definition of QGridView class
00005 **
00006 ** Created : 010523
00007 **
00008 ** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
00009 **
00010 ** This file is part of the widgets module of the Qt GUI Toolkit.
00011 **
00012 ** This file may be distributed under the terms of the Q Public License
00013 ** as defined by Trolltech ASA of Norway and appearing in the file
00014 ** LICENSE.QPL included in the packaging of this file.
00015 **
00016 ** This file may be distributed and/or modified under the terms of the
00017 ** GNU General Public License version 2 as published by the Free Software
00018 ** Foundation and appearing in the file LICENSE.GPL included in the
00019 ** packaging of this file.
00020 **
00021 ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
00022 ** licenses may use this file in accordance with the Qt Commercial License
00023 ** Agreement provided with the Software.
00024 **
00025 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00026 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00027 **
00028 ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
00029 **   information about Qt Commercial License Agreements.
00030 ** See http://www.trolltech.com/qpl/ for QPL licensing information.
00031 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00032 **
00033 ** Contact info@trolltech.com if any conditions of this licensing are
00034 ** not clear to you.
00035 **
00036 **********************************************************************/
00037 
00038 #ifndef QGRIDVIEW_H
00039 #define QGRIDVIEW_H
00040 
00041 #ifndef QT_H
00042 #include "qscrollview.h"
00043 #endif // QT_H
00044 
00045 #ifndef QT_NO_GRIDVIEW
00046 
00047 class QGridViewPrivate;
00048 
00049 class Q_EXPORT QGridView : public QScrollView
00050 {
00051     Q_OBJECT
00052     Q_PROPERTY( int numRows READ numRows WRITE setNumRows )
00053     Q_PROPERTY( int numCols READ numCols WRITE setNumCols )
00054     Q_PROPERTY( int cellWidth READ cellWidth WRITE setCellWidth )
00055     Q_PROPERTY( int cellHeight READ cellHeight WRITE setCellHeight )
00056 public:
00057 
00058     QGridView( QWidget *parent=0, const char *name=0, WFlags f=0 );
00059    ~QGridView();
00060 
00061     int numRows() const;
00062     virtual void setNumRows( int );
00063     int numCols() const;
00064     virtual void setNumCols( int );
00065 
00066     int cellWidth() const;
00067     virtual void setCellWidth( int );
00068     int cellHeight() const;
00069     virtual void setCellHeight( int );
00070     
00071     QRect cellRect() const;
00072     QRect cellGeometry( int row, int column );
00073     QSize gridSize() const;
00074 
00075     int rowAt( int y ) const;
00076     int columnAt( int x ) const;
00077 
00078     void repaintCell( int row, int column, bool erase=TRUE );
00079     void updateCell( int row, int column );
00080     void ensureCellVisible( int row, int column );
00081 
00082 protected:
00083     virtual void paintCell( QPainter *, int row, int col ) = 0;
00084     virtual void paintEmptyArea( QPainter *p, int cx, int cy, int cw, int ch );
00085 
00086     void drawContents( QPainter *p, int cx, int cy, int cw, int ch );
00087 
00088     virtual void dimensionChange( int, int );
00089 
00090 private:
00091     void drawContents( QPainter* );
00092     void updateGrid();
00093 
00094     int nrows;
00095     int ncols;
00096     int cellw;
00097     int cellh;
00098     QGridViewPrivate* d;
00099 
00100 private:        // Disabled copy constructor and operator=
00101 #if defined(Q_DISABLE_COPY)
00102     QGridView( const QGridView & );
00103     QGridView &operator=( const QGridView & );
00104 #endif
00105 };
00106 
00107 inline int QGridView::cellWidth() const 
00108 { return cellw; }
00109 
00110 inline int QGridView::cellHeight() const 
00111 { return cellh; }
00112 
00113 inline int QGridView::rowAt( int y ) const 
00114 { return y / cellh; }
00115 
00116 inline int QGridView::columnAt( int x ) const 
00117 { return x / cellw; }
00118 
00119 inline int QGridView::numRows() const 
00120 { return nrows; }
00121 
00122 inline int QGridView::numCols() const 
00123 {return ncols; }
00124 
00125 inline QRect QGridView::cellRect() const
00126 { return QRect( 0, 0, cellw, cellh ); }
00127 
00128 inline QSize QGridView::gridSize() const 
00129 { return QSize( ncols * cellw, nrows * cellh ); }
00130 
00131 
00132 
00133 #endif // QT_NO_GRIDVIEW
00134 
00135 
00136 #endif // QTABLEVIEW_H
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