Source:SLASH'EM 0.0.7E7F2/qttableview.h

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1.    /**********************************************************************
2.    ** $Id: qttableview.h,v 1.1 2002/04/06 12:11:18 j_ali Exp $
3.    **
4.    ** Definition of QtTableView class
5.    **
6.    ** Created : 941115
7.    **
8.    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
9.    **
10.   ** This file contains a class moved out of the Qt GUI Toolkit API. It
11.   ** may be used, distributed and modified without limitation.
12.   **
13.   **********************************************************************/
14.   
15.   #ifndef QTTABLEVIEW_H
16.   #define QTTABLEVIEW_H
17.   
18.   #ifndef QT_H
19.   #include <qframe.h>
20.   #endif // QT_H
21.   
22.   #ifndef QT_NO_QTTABLEVIEW
23.   
24.   class QScrollBar;
25.   class QCornerSquare;
26.   
27.   
28.   class QtTableView : public QFrame
29.   {
30.       Q_OBJECT
31.   public:
32.       virtual void setBackgroundColor( const QColor & );
33.       virtual void setPalette( const QPalette & );
34.       void	show();
35.   
36.       void	repaint( bool erase=TRUE );
37.       void	repaint( int x, int y, int w, int h, bool erase=TRUE );
38.       void	repaint( const QRect &, bool erase=TRUE );
39.   
40.   protected:
41.       QtTableView( QWidget *parent=0, const char *name=0, WFlags f=0 );
42.      ~QtTableView();
43.   
44.       int		numRows()	const;
45.       virtual void setNumRows( int );
46.       int		numCols()	const;
47.       virtual void setNumCols( int );
48.   
49.       int		topCell()	const;
50.       virtual void setTopCell( int row );
51.       int		leftCell()	const;
52.       virtual void setLeftCell( int col );
53.       virtual void setTopLeftCell( int row, int col );
54.   
55.       int		xOffset()	const;
56.       virtual void setXOffset( int );
57.       int		yOffset()	const;
58.       virtual void setYOffset( int );
59.       virtual void setOffset( int x, int y, bool updateScrBars = TRUE );
60.   
61.       virtual int cellWidth( int col );
62.       virtual int cellHeight( int row );
63.       int		cellWidth()	const;
64.       int		cellHeight()	const;
65.       virtual void setCellWidth( int );
66.       virtual void setCellHeight( int );
67.   
68.       virtual int totalWidth();
69.       virtual int totalHeight();
70.   
71.       uint	tableFlags()	const;
72.       bool	testTableFlags( uint f ) const;
73.       virtual void setTableFlags( uint f );
74.       void	clearTableFlags( uint f = ~0 );
75.   
76.       bool	autoUpdate()	 const;
77.       virtual void setAutoUpdate( bool );
78.   
79.       void	updateCell( int row, int column, bool erase=TRUE );
80.   
81.       QRect	cellUpdateRect() const;
82.       QRect	viewRect()	 const;
83.   
84.       int		lastRowVisible() const;
85.       int		lastColVisible() const;
86.   
87.       bool	rowIsVisible( int row ) const;
88.       bool	colIsVisible( int col ) const;
89.   
90.       QScrollBar *verticalScrollBar() const;
91.       QScrollBar *horizontalScrollBar() const;
92.   
93.   private slots:
94.       void	horSbValue( int );
95.       void	horSbSliding( int );
96.       void	horSbSlidingDone();
97.       void	verSbValue( int );
98.       void	verSbSliding( int );
99.       void	verSbSlidingDone();
100.  
101.  protected:
102.      virtual void paintCell( QPainter *, int row, int col ) = 0;
103.      virtual void setupPainter( QPainter * );
104.  
105.      void	paintEvent( QPaintEvent * );
106.      void	resizeEvent( QResizeEvent * );
107.  
108.      int		findRow( int yPos ) const;
109.      int		findCol( int xPos ) const;
110.  
111.      bool	rowYPos( int row, int *yPos ) const;
112.      bool	colXPos( int col, int *xPos ) const;
113.  
114.      int		maxXOffset();
115.      int		maxYOffset();
116.      int		maxColOffset();
117.      int		maxRowOffset();
118.  
119.      int		minViewX()	const;
120.      int		minViewY()	const;
121.      int		maxViewX()	const;
122.      int		maxViewY()	const;
123.      int		viewWidth()	const;
124.      int		viewHeight()	const;
125.  
126.      void	scroll( int xPixels, int yPixels );
127.      void	updateScrollBars();
128.      void	updateTableSize();
129.  
130.  private:
131.      void	coverCornerSquare( bool );
132.      void	snapToGrid( bool horizontal, bool vertical );
133.      virtual void	setHorScrollBar( bool on, bool update = TRUE );
134.      virtual void	setVerScrollBar( bool on, bool update = TRUE );
135.      void	updateView();
136.      int		findRawRow( int yPos, int *cellMaxY, int *cellMinY = 0,
137.  			    bool goOutsideView = FALSE ) const;
138.      int		findRawCol( int xPos, int *cellMaxX, int *cellMinX = 0,
139.  			    bool goOutsideView = FALSE ) const;
140.      int		maxColsVisible() const;
141.  
142.      void	updateScrollBars( uint );
143.      void	updateFrameSize();
144.  
145.      void	doAutoScrollBars();
146.      void	showOrHideScrollBars();
147.  
148.      int		nRows;
149.      int		nCols;
150.      int		xOffs, yOffs;
151.      int		xCellOffs, yCellOffs;
152.      short	xCellDelta, yCellDelta;
153.      short	cellH, cellW;
154.  
155.      uint	eraseInPaint		: 1;
156.      uint	verSliding		: 1;
157.      uint	verSnappingOff		: 1;
158.      uint	horSliding		: 1;
159.      uint	horSnappingOff		: 1;
160.      uint	coveringCornerSquare	: 1;
161.      uint	sbDirty			: 8;
162.      uint	inSbUpdate		: 1;
163.  
164.      uint	tFlags;
165.      QRect	cellUpdateR;
166.  
167.      QScrollBar *vScrollBar;
168.      QScrollBar *hScrollBar;
169.      QCornerSquare *cornerSquare;
170.  
171.  private:	// Disabled copy constructor and operator=
172.  #if defined(Q_DISABLE_COPY)
173.      QtTableView( const QtTableView & );
174.      QtTableView &operator=( const QtTableView & );
175.  #endif
176.  };
177.  
178.  
179.  const uint Tbl_vScrollBar	= 0x00000001;
180.  const uint Tbl_hScrollBar	= 0x00000002;
181.  const uint Tbl_autoVScrollBar	= 0x00000004;
182.  const uint Tbl_autoHScrollBar	= 0x00000008;
183.  const uint Tbl_autoScrollBars	= 0x0000000C;
184.  
185.  const uint Tbl_clipCellPainting = 0x00000100;
186.  const uint Tbl_cutCellsV	= 0x00000200;
187.  const uint Tbl_cutCellsH	= 0x00000400;
188.  const uint Tbl_cutCells		= 0x00000600;
189.  
190.  const uint Tbl_scrollLastHCell	= 0x00000800;
191.  const uint Tbl_scrollLastVCell	= 0x00001000;
192.  const uint Tbl_scrollLastCell	= 0x00001800;
193.  
194.  const uint Tbl_smoothHScrolling = 0x00002000;
195.  const uint Tbl_smoothVScrolling = 0x00004000;
196.  const uint Tbl_smoothScrolling	= 0x00006000;
197.  
198.  const uint Tbl_snapToHGrid	= 0x00008000;
199.  const uint Tbl_snapToVGrid	= 0x00010000;
200.  const uint Tbl_snapToGrid	= 0x00018000;
201.  
202.  
203.  inline int QtTableView::numRows() const
204.  { return nRows; }
205.  
206.  inline int QtTableView::numCols() const
207.  { return nCols; }
208.  
209.  inline int QtTableView::topCell() const
210.  { return yCellOffs; }
211.  
212.  inline int QtTableView::leftCell() const
213.  { return xCellOffs; }
214.  
215.  inline int QtTableView::xOffset() const
216.  { return xOffs; }
217.  
218.  inline int QtTableView::yOffset() const
219.  { return yOffs; }
220.  
221.  inline int QtTableView::cellHeight() const
222.  { return cellH; }
223.  
224.  inline int QtTableView::cellWidth() const
225.  { return cellW; }
226.  
227.  inline uint QtTableView::tableFlags() const
228.  { return tFlags; }
229.  
230.  inline bool QtTableView::testTableFlags( uint f ) const
231.  { return (tFlags & f) != 0; }
232.  
233.  inline QRect QtTableView::cellUpdateRect() const
234.  { return cellUpdateR; }
235.  
236.  inline bool QtTableView::autoUpdate() const
237.  { return isUpdatesEnabled(); }
238.  
239.  inline void QtTableView::repaint( bool erase )
240.  { repaint( 0, 0, width(), height(), erase ); }
241.  
242.  inline void QtTableView::repaint( const QRect &r, bool erase )
243.  { repaint( r.x(), r.y(), r.width(), r.height(), erase ); }
244.  
245.  inline void QtTableView::updateScrollBars()
246.  { updateScrollBars( 0 ); }
247.  
248.  
249.  #endif // QT_NO_QTTABLEVIEW
250.  
251.  #endif // QTTABLEVIEW_H