Files
harbour-core/harbour/contrib/samples/gauge.c
2000-06-24 01:50:07 +00:00

199 lines
6.4 KiB
C

/*
* $Id$
*/
/*
* Harbour Project source code:
* Gauge functions
*
* Copyright 2000 Jose Lalin <dezac@corevia.com>
* www - http://www.harbour-project.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version, with one exception:
*
* The exception is that if you link the Harbour Runtime Library (HRL)
* and/or the Harbour Virtual Machine (HVM) with other files to produce
* an executable, this does not by itself cause the resulting executable
* to be covered by the GNU General Public License. Your use of that
* executable is in no way restricted on account of linking the HRL
* and/or HVM code into it.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
* their web site at http://www.gnu.org/).
*
*/
#include "hbapi.h"
#include "hbapiitm.h"
#include "hbapigt.h"
// Box array definitions
#define B_TOP 1
#define B_LEFT 2
#define B_BOTTOM 3
#define B_RIGHT 4
#define B_BACKCOLOR 5
#define B_BARCOLOR 6
#define B_DISPLAYNUM 8
#define B_BARCHAR 7
#define B_PERCENT 9
#define B_LEN B_PERCENT
#define B_BOXLINES "ÚÄ¿³ÙÄÀ³"
static void hb_gaugeUpdate( PHB_ITEM pArray, float fPercent );
/* GaugeNew( <nRowTop>, <nColumnTop>, <nRowBottom>, <nColumnBottom>,
[<cBackgroundColor>],
[<cGaugeColor>],
[<cGaugeCharacter>] ) --> aGauge
*/
HB_FUNC( GAUGENEW )
{
PHB_ITEM pReturn = hb_itemArrayNew( B_LEN ); /* Create array */
PHB_ITEM pItem;
pItem = hb_itemPutNL( NULL, ( ISNUM( B_TOP ) ? hb_parni( B_TOP ) : 0 ) );
hb_itemArrayPut( pReturn, B_TOP, pItem );
hb_itemRelease( pItem );
pItem = hb_itemPutNL( NULL, ( ISNUM( B_LEFT ) ? hb_parni( B_LEFT ) : 0 ) );
hb_itemArrayPut( pReturn, B_LEFT, pItem );
hb_itemRelease( pItem );
pItem = hb_itemPutNL( NULL,
( ISNUM( B_BOTTOM ) ?
( hb_parni( B_BOTTOM ) < hb_parni( B_TOP ) + 2 ?
hb_parni( B_TOP ) + 2 : hb_parni( B_BOTTOM ) ) : 0 ) );
hb_itemArrayPut( pReturn, B_BOTTOM, pItem );
hb_itemRelease( pItem );
pItem = hb_itemPutNL( NULL,
( ISNUM( B_RIGHT ) ?
( hb_parni( B_RIGHT ) < hb_parni( B_LEFT ) + 4 ?
hb_parni( B_LEFT ) + 4 : hb_parni( B_RIGHT ) ) : 0 ) );
hb_itemArrayPut( pReturn, B_RIGHT, pItem );
hb_itemRelease( pItem );
pItem = hb_itemPutC( NULL, ( ISCHAR( B_BACKCOLOR ) ? hb_parc( B_BACKCOLOR ) : "W/N" ) );
hb_itemArrayPut( pReturn, B_BACKCOLOR, pItem );
hb_itemRelease( pItem );
pItem = hb_itemPutC( NULL, ( ISCHAR( B_BARCOLOR ) ? hb_parc( B_BARCOLOR ) : "W+/N" ) );
hb_itemArrayPut( pReturn, B_BARCOLOR, pItem );
hb_itemRelease( pItem );
pItem = hb_itemPutL( NULL, !( ISNUM( B_RIGHT ) &&
ISNUM( B_LEFT ) &&
( hb_parni( B_RIGHT ) < hb_parni( B_LEFT ) + 9 ) ) );
hb_itemArrayPut( pReturn, B_DISPLAYNUM, pItem );
hb_itemRelease( pItem );
pItem = hb_itemPutC( NULL, ( ISCHAR( B_BARCHAR ) ? hb_parc( B_BARCHAR ) : ( char * ) '\xdb') );
hb_itemArrayPut( pReturn, B_BARCHAR, pItem );
hb_itemRelease( pItem );
pItem = hb_itemPutNL( NULL, 0 );
hb_itemArrayPut( pReturn, B_PERCENT, pItem );
hb_itemRelease( pItem );
hb_itemReturn( pReturn );
hb_itemRelease( pReturn );
}
/* GaugeDisplay( aGauge ) --> aGauge
*/
HB_FUNC( GAUGEDISPLAY )
{
PHB_ITEM pArray = hb_param( 1, HB_IT_ARRAY );
if( pArray )
{
int iCenter = ( ( hb_arrayGetNL( pArray, B_RIGHT ) - hb_arrayGetNL( pArray, B_LEFT ) ) / 2 ) + 1;
char szOldColor[ CLR_STRLEN ];
char * szStr = " ";
hb_gtGetColorStr( szOldColor );
hb_gtSetColorStr( hb_arrayGetCPtr( pArray, B_BACKCOLOR ) );
hb_gtBox( hb_arrayGetNL( pArray, B_TOP ), hb_arrayGetNL( pArray, B_LEFT ),
hb_arrayGetNL( pArray, B_BOTTOM ), hb_arrayGetNL( pArray, B_RIGHT ),
( BYTE * ) szStr );
hb_gtBox( hb_arrayGetNL( pArray, B_TOP ), hb_arrayGetNL( pArray, B_LEFT ),
hb_arrayGetNL( pArray, B_BOTTOM ), hb_arrayGetNL( pArray, B_RIGHT ),
B_BOXLINES );
if( hb_arrayGetL( pArray, B_DISPLAYNUM ) )
hb_gtWriteAt( hb_arrayGetNL( pArray, B_TOP ), iCenter, ( BYTE * ) "[ ]", 8 );
hb_gtSetColorStr( szOldColor );
hb_gaugeUpdate( pArray, hb_arrayGetNL( pArray, B_PERCENT ) );
hb_itemReturn( pArray );
}
}
/* GaugeUpdate( aGauge, nPercent ) --> aGauge
*/
HB_FUNC( GAUGEUPDATE )
{
PHB_ITEM pArray = hb_param( 1, HB_IT_ARRAY );
if( pArray )
{
hb_gaugeUpdate( pArray, ISNUM( 2 ) ? hb_parnd( 2 ) : 0 );
hb_itemReturn( pArray );
}
}
static void hb_gaugeUpdate( PHB_ITEM pArray, float fPercent )
{
int iCenter = ( ( hb_arrayGetNL( pArray, B_RIGHT ) - hb_arrayGetNL( pArray, B_LEFT ) ) / 2 ) + 1;
int iRatio = hb_arrayGetNL( pArray, B_RIGHT ) - hb_arrayGetNL( pArray, B_LEFT ) - 1;
int iRow;
int iCols;
int iMax;
char szOldColor[ CLR_STRLEN ];
char * szStr = " ";
char szPct[ 4 ];
hb_gtGetColorStr( szOldColor );
hb_gtSetColorStr( hb_arrayGetCPtr( pArray, B_BARCOLOR ) );
fPercent = ( fPercent < 0 ? 0 : ( fPercent > 1 ? 1 : fPercent ) );
iCols = fPercent * iRatio;
if( hb_arrayGetL( pArray, B_DISPLAYNUM ) )
{
sprintf( szPct, "%3.0f\%", fPercent * 100 );
hb_gtWriteAt( hb_arrayGetNL( pArray, B_TOP ), iCenter + 2, szPct, 4 );
}
hb_gtBox( hb_arrayGetNL( pArray, B_TOP ) + 1, hb_arrayGetNL( pArray, B_LEFT ) + 1,
hb_arrayGetNL( pArray, B_BOTTOM ) - 1, hb_arrayGetNL( pArray, B_RIGHT ) - 1,
( BYTE * ) szStr );
iMax = hb_arrayGetNL( pArray, B_BOTTOM ) - hb_arrayGetNL( pArray, B_TOP ) - 1;
for( iRow = 1; iRow <= iMax; iRow++ )
{
hb_gtRepChar( iRow + hb_arrayGetNL( pArray, B_TOP ),
hb_arrayGetNL( pArray, B_LEFT ) + 1,
( BYTE ) * hb_arrayGetCPtr( pArray, B_BARCHAR ), iCols );
}
hb_gtSetColorStr( szOldColor );
}