610 lines
16 KiB
C
610 lines
16 KiB
C
/*
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* $Id$
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*/
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/*
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* Harbour Project source code:
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* Video subsystem for ANSI terminals
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*
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* Copyright 2000 David G. Holm <dholm@jsd-llc.com>
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* www - http://www.harbour-project.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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/*
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* This module is partially based on VIDMGR by Andrew Clarke and modified
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* for the Harbour project
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*/
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/* NOTE: User programs should never call this layer directly! */
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#if defined(__GNUC__) && ! defined(__MINGW32__)
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#include <unistd.h>
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#if defined(__DJGPP__) || defined(__CYGWIN__) || defined(__EMX__)
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#include <io.h>
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#endif
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#else
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#include <io.h>
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#endif
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#include <ctype.h>
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#include <string.h>
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#include "hbapigt.h"
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#include "hbset.h"
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#include "inkey.ch"
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static USHORT s_usRow, s_usCol, s_usMaxRow, s_usMaxCol;
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static int s_iFilenoStdin, s_iFilenoStdout, s_iFilenoStderr;
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static int s_iAttribute;
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static BOOL s_bColor;
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static char s_szSpaces[] = " "; /* 84 spaces */
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static void hb_gt_AnsiGetCurPos( USHORT * row, USHORT * col );
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static USHORT s_uiDispCount;
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void hb_gt_Init( int iFilenoStdin, int iFilenoStdout, int iFilenoStderr )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_Init()"));
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s_iAttribute = 0;
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s_iFilenoStdin = iFilenoStdin;
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s_iFilenoStdout = iFilenoStdout;
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s_iFilenoStderr = iFilenoStderr;
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s_usRow = s_usCol = 0;
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hb_gt_AnsiGetCurPos( &s_usRow, &s_usCol );
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#ifdef OS_UNIX_COMPATIBLE
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s_usMaxRow = 23;
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s_bColor = FALSE;
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#else
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s_usMaxRow = 24;
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s_bColor = TRUE;
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#endif
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s_usMaxCol = 79;
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fprintf( stdout, "\x1B[=7h" ); /* Enable line wrap (for OUTSTD() and OUTERR()) */
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hb_mouse_Init();
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}
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void hb_gt_Exit( void )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_Exit()"));
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hb_mouse_Exit();
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/* TODO: */
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}
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static void hb_gt_AnsiGetCurPos( USHORT * row, USHORT * col )
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{
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if( isatty( s_iFilenoStdin ) && isatty( s_iFilenoStdout ) )
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{
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USHORT ch, value = 0, index = 0;
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fprintf( stdout, "\x1B[6n" );
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do
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{
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ch = getc( stdin );
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if( isdigit( ch ) )
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{
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value = ( value * 10 ) + ( ch - '0' );
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}
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else if( ch == ';' )
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{
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*row = value - 1;
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value = 0;
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}
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}
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while( ch != 'R' && index < 10 );
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*col = value - 1;
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}
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}
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static void hb_gt_AnsiSetAttributes( BYTE attr )
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{
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static const int color[] = { 0, 4, 2, 6, 1, 5, 3, 7 };
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int bg_color = 40 + color[ ( attr & 0x70 ) >> 4 ];
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int fg_color = 30 + color[ attr & 0x07 ];
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int special = 0;
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if( attr & 0x08 ) special = 1;
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else if( attr & 0x80 )
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{
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if( hb_set.HB_SET_INTENSITY ) special = 1;
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else special = 5;
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}
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fprintf( stdout, "\x1B[%d;%d;%dm", special, fg_color, bg_color );
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}
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BOOL hb_gt_AdjustPos( BYTE * pStr, ULONG ulLen )
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{
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USHORT row = s_usRow;
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USHORT col = s_usCol;
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ULONG ulCount;
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_AdjustPos(%s, %lu)", pStr, ulLen ));
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for( ulCount = 0; ulCount < ulLen; ulCount++ )
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{
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switch( *pStr++ )
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{
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case HB_CHAR_BEL:
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break;
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case HB_CHAR_BS:
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if( col )
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col--;
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else
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{
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col = s_usMaxCol;
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if( row )
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row--;
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}
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break;
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case HB_CHAR_LF:
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if( row < s_usMaxRow )
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row++;
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break;
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case HB_CHAR_CR:
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col = 0;
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break;
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default:
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if( col < s_usMaxCol )
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col++;
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else
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{
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col = 0;
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if( row < s_usMaxRow )
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row++;
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}
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}
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}
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hb_gt_SetPos( row, col, HB_GT_SET_POS_AFTER );
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return TRUE;
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}
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#ifdef HARBOUR_GCC_OS2
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#include "..\..\kbdos2.gcc"
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#else
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int hb_gt_ReadKey( HB_inkey_enum eventmask )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_ReadKey(%d)", (int) eventmask));
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HB_SYMBOL_UNUSED( eventmask );
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/* TODO: */
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return 0;
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}
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#endif
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BOOL hb_gt_IsColor( void )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_IsColor()"));
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/* TODO: */
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return s_bColor;
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}
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USHORT hb_gt_GetScreenWidth( void )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_GetScreenWidth()"));
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/* TODO: */
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return s_usMaxCol + 1;
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}
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USHORT hb_gt_GetScreenHeight( void )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_GetScreenHeight()"));
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/* TODO: */
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return s_usMaxRow + 1;
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}
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void hb_gt_SetPos( SHORT iRow, SHORT iCol, SHORT iMethod )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_SetPos(%hd, %hd, %hd)", iRow, iCol, iMethod));
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HB_SYMBOL_UNUSED( iMethod );
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if( iRow < 0 ) iRow = 0;
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else if( iRow > s_usMaxRow ) iRow = s_usMaxRow;
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if( iCol < 0 ) iCol = 0;
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else if( iCol > s_usMaxCol ) iCol = s_usMaxCol;
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s_usRow = iRow;
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s_usCol = iCol;
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fprintf( stdout, "\x1B[%d;%dH", s_usRow + 1, s_usCol + 1 );
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}
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SHORT hb_gt_Row( void )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_Row()"));
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return s_usRow;
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}
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SHORT hb_gt_Col( void )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_Col()"));
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return s_usCol;
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}
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void hb_gt_Scroll( USHORT usTop, USHORT usLeft, USHORT usBottom, USHORT usRight, BYTE attr, SHORT sVert, SHORT sHoriz )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_Scroll(%hu, %hu, %hu, %hu, %d, %hd, %hd)", usTop, usLeft, usBottom, usRight, (int) attr, sVert, sHoriz));
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HB_SYMBOL_UNUSED( attr );
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if( sVert == 0 && sHoriz == 0 )
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{
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/* Clear */
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if( usTop == 0 && usLeft == 0 && usBottom >= s_usMaxRow && usRight >= s_usMaxCol )
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{
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/* Clear the entire screen */
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fprintf( stdout, "\x1B[2J" );
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}
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else
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{
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/* Clear a screen region */
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USHORT i;
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for( i = usTop; i <= usBottom; i++ )
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{
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hb_gt_Puts( i, usLeft, s_iAttribute, ( BYTE * )s_szSpaces, (usRight - usLeft ) + 1 );
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}
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}
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}
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else
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{
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if( usTop == 0 && usLeft == 0 && usBottom >= s_usMaxRow && usRight >= s_usMaxCol )
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{
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if( sVert > 0 && sHoriz == 0 )
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{
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/* Scroll the entire screen up */
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fprintf( stdout, "\x1B[25;80" );
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while( sVert-- ) fputc( '\n', stdout );
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}
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else
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{
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/* TODO: Scroll the entire screen any direction other than up */
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}
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}
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else
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{
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/* TODO: Scroll a screen region */
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}
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}
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}
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USHORT hb_gt_GetCursorStyle( void )
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{
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/* TODO: What shape is the cursor? */
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USHORT uiStyle = 0;
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_GetCursorStyle()"));
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return uiStyle;
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}
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void hb_gt_SetCursorStyle( USHORT style )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_SetCursorStyle(%hu)", style));
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HB_SYMBOL_UNUSED( style );
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}
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static void hb_gt_xPutch( USHORT usRow, USHORT usCol, BYTE attr, BYTE byChar )
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{
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char tmp[ 2 ];
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_xPutch(%hu, %hu, %d, %i)", usRow, usCol, (int) attr, byChar));
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/* TOFIX: add correct support for a single byte instead of a string
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*/
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tmp[ 0 ] = byChar;
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tmp[ 1 ] = '\0';
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/* Disable line wrap, set the new cursor position, send the string, then
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enable line wrap (for OUTSTD() and OUTERR() ) */
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hb_gt_AnsiSetAttributes( attr );
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fprintf( stdout, "\x1B[=7l\x1B[%d;%dH%s\x1B[=7h", usRow + 1, usCol + 1, tmp );
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/* Restore whatever used to be at the termination position */
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/* Update the cursor position */
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s_usRow = usRow;
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s_usCol = usCol + 1;
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if( s_usCol > s_usMaxCol ) s_usCol = s_usMaxCol;
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}
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void hb_gt_Puts( USHORT usRow, USHORT usCol, BYTE attr, BYTE * str, ULONG len )
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{
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/* Because Clipper strings don't have to be null terminated, add a null
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terminating character after saving what used to be at the termination
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position, because it might not even be part of the string object */
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char save = str[ len ];
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_Puts(%hu, %hu, %d, %p, %lu, %s)", usRow, usCol, (int) attr, str, len, str));
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str[ len ] = '\0';
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/* Disable line wrap, set the new cursor position, send the string, then
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enable line wrap (for OUTSTD() and OUTERR() ) */
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hb_gt_AnsiSetAttributes( attr );
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fprintf( stdout, "\x1B[=7l\x1B[%d;%dH%s\x1B[=7h", usRow + 1, usCol + 1, str );
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/* Restore whatever used to be at the termination position */
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str[ len ] = save;
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/* Update the cursor position */
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s_usRow = usRow;
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s_usCol = usCol + ( USHORT )len;
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if( s_usCol > s_usMaxCol ) s_usCol = s_usMaxCol;
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}
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int hb_gt_RectSize( USHORT rows, USHORT cols )
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{
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return rows * cols * 2;
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}
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void hb_gt_GetText( USHORT usTop, USHORT usLeft, USHORT usBottom, USHORT usRight, BYTE *dest )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_GetText(%hu, %hu, %hu, %hu, %p)", usTop, usLeft, usBottom, usRight, dest));
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HB_SYMBOL_UNUSED( usTop );
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HB_SYMBOL_UNUSED( usLeft );
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HB_SYMBOL_UNUSED( usBottom );
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HB_SYMBOL_UNUSED( usRight );
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HB_SYMBOL_UNUSED( dest );
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/* TODO: */
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}
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void hb_gt_PutText( USHORT usTop, USHORT usLeft, USHORT usBottom, USHORT usRight, BYTE *src )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_PutText(%hu, %hu, %hu, %hu, %p)", usTop, usLeft, usBottom, usRight, src) );
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HB_SYMBOL_UNUSED( usTop );
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HB_SYMBOL_UNUSED( usLeft );
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HB_SYMBOL_UNUSED( usBottom );
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HB_SYMBOL_UNUSED( usRight );
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HB_SYMBOL_UNUSED( src );
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/* TODO: */
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}
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void hb_gt_SetAttribute( USHORT usTop, USHORT usLeft, USHORT usBottom, USHORT usRight, BYTE attr )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_SetAttribute(%hu, %hu, %hu, %hu, %d)", usTop, usLeft, usBottom, usRight, (int) attr) );
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HB_SYMBOL_UNUSED( usTop );
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HB_SYMBOL_UNUSED( usLeft );
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HB_SYMBOL_UNUSED( usBottom );
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HB_SYMBOL_UNUSED( usRight );
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HB_SYMBOL_UNUSED( attr );
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/* TODO: */
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s_iAttribute = attr;
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}
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void hb_gt_DispBegin( void )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_DispBegin()"));
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++s_uiDispCount;
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/* TODO: */
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}
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void hb_gt_DispEnd( void )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_DispEnd()"));
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--s_uiDispCount;
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/* TODO: here we flush the buffer, and restore normal screen writes */
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}
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BOOL hb_gt_SetMode( USHORT uiRows, USHORT uiCols )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_SetMode(%hu, %hu)", uiRows, uiCols) );
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HB_SYMBOL_UNUSED( uiRows );
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HB_SYMBOL_UNUSED( uiCols );
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/* TODO: */
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return 0; /* 0 = Ok, other = Fail */
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}
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BOOL hb_gt_GetBlink()
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_GetBlink()"));
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/* TODO: */
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return 1; /* 0 = blink, 1 = intens */
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}
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void hb_gt_SetBlink( BOOL bBlink )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_SetBlink(%d)", (int) bBlink) );
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HB_SYMBOL_UNUSED( bBlink );
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/* TODO: */
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}
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void hb_gt_Tone( double dFrequency, double dDuration )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_Tone(%lf, %lf)", dFrequency, dDuration));
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/* TODO: Implement this */
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HB_SYMBOL_UNUSED( dFrequency );
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HB_SYMBOL_UNUSED( dDuration );
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}
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char * hb_gt_Version( void )
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{
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return "Harbour Terminal: PC ANSI";
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}
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USHORT hb_gt_DispCount()
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{
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return s_uiDispCount;
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}
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void hb_gt_Replicate( USHORT uiRow, USHORT uiCol, BYTE byAttr, BYTE byChar, ULONG nLength )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_Replicate(%hu, %hu, %i, %i, %lu)", uiRow, uiCol, byAttr, byChar, nLength));
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{
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while( nLength-- )
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hb_gt_xPutch( uiRow, uiCol++, byAttr, byChar );
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}
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}
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USHORT hb_gt_Box( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight,
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BYTE *szBox, BYTE byAttr )
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{
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USHORT uiRow;
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USHORT uiCol;
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USHORT uiHeight;
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USHORT uiWidth;
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/* Ensure that box is drawn from top left to bottom right. */
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if( uiTop > uiBottom )
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{
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USHORT tmp = uiTop;
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uiTop = uiBottom;
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uiBottom = tmp;
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}
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if( uiLeft > uiRight )
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{
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USHORT tmp = uiLeft;
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uiLeft = uiRight;
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uiRight = tmp;
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}
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uiRow = uiTop;
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uiCol = uiLeft;
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/* Draw the box or line as specified */
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uiHeight = uiBottom - uiTop + 1;
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uiWidth = uiRight - uiLeft + 1;
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|
|
|
hb_gt_DispBegin();
|
|
|
|
if( uiHeight > 1 && uiWidth > 1 )
|
|
hb_gt_xPutch( uiRow, uiCol, byAttr, szBox[ 0 ] ); /* Upper left corner */
|
|
|
|
uiCol = ( uiHeight > 1 ? uiLeft + 1 : uiLeft );
|
|
|
|
if( uiCol <= uiRight )
|
|
hb_gt_Replicate( uiRow, uiCol, byAttr, szBox[ 1 ], uiRight - uiLeft + ( uiHeight > 1 ? -1 : 1 ) ); /* Top line */
|
|
|
|
if( uiHeight > 1 && uiWidth > 1 )
|
|
hb_gt_xPutch( uiRow, uiRight, byAttr, szBox[ 2 ] ); /* Upper right corner */
|
|
|
|
if( szBox[ 8 ] && uiHeight > 2 && uiWidth > 2 )
|
|
{
|
|
for( uiRow = uiTop + 1; uiRow < uiBottom; uiRow++ )
|
|
{
|
|
uiCol = uiLeft;
|
|
hb_gt_xPutch( uiRow, uiCol++, byAttr, szBox[ 7 ] ); /* Left side */
|
|
hb_gt_Replicate( uiRow, uiCol, byAttr, szBox[ 8 ], uiRight - uiLeft - 1 ); /* Fill */
|
|
hb_gt_xPutch( uiRow, uiRight, byAttr, szBox[ 3 ] ); /* Right side */
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for( uiRow = ( uiWidth > 1 ? uiTop + 1 : uiTop ); uiRow < ( uiWidth > 1 ? uiBottom : uiBottom + 1 ); uiRow++ )
|
|
{
|
|
hb_gt_xPutch( uiRow, uiLeft, byAttr, szBox[ 7 ] ); /* Left side */
|
|
if( uiWidth > 1 )
|
|
hb_gt_xPutch( uiRow, uiRight, byAttr, szBox[ 3 ] ); /* Right side */
|
|
}
|
|
}
|
|
|
|
if( uiHeight > 1 && uiWidth > 1 )
|
|
{
|
|
hb_gt_xPutch( uiBottom, uiLeft, byAttr, szBox[ 6 ] ); /* Bottom left corner */
|
|
|
|
uiCol = ( uiHeight > 1 ? uiLeft + 1 : uiLeft );
|
|
|
|
if( uiCol <= uiRight && uiHeight > 1 )
|
|
hb_gt_Replicate( uiBottom, uiCol, byAttr, szBox[ 5 ], uiRight - uiLeft + ( uiHeight > 1 ? -1 : 1 ) ); /* Bottom line */
|
|
|
|
hb_gt_xPutch( uiBottom, uiRight, byAttr, szBox[ 4 ] ); /* Bottom right corner */
|
|
}
|
|
|
|
hb_gt_DispEnd();
|
|
|
|
return 0;
|
|
}
|
|
|
|
USHORT hb_gt_BoxD( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, BYTE * pbyFrame, BYTE byAttr )
|
|
{
|
|
return hb_gt_Box( uiTop, uiLeft, uiBottom, uiRight, pbyFrame, byAttr );
|
|
}
|
|
|
|
USHORT hb_gt_BoxS( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, BYTE * pbyFrame, BYTE byAttr )
|
|
{
|
|
return hb_gt_Box( uiTop, uiLeft, uiBottom, uiRight, pbyFrame, byAttr );
|
|
}
|
|
|
|
USHORT hb_gt_HorizLine( USHORT uiRow, USHORT uiLeft, USHORT uiRight, BYTE byChar, BYTE byAttr )
|
|
{
|
|
if( uiLeft < uiRight )
|
|
hb_gt_Replicate( uiRow, uiLeft, byAttr, byChar, uiRight - uiLeft + 1 );
|
|
else
|
|
hb_gt_Replicate( uiRow, uiRight, byAttr, byChar, uiLeft - uiRight + 1 );
|
|
return 0;
|
|
}
|
|
|
|
USHORT hb_gt_VertLine( USHORT uiCol, USHORT uiTop, USHORT uiBottom, BYTE byChar, BYTE byAttr )
|
|
{
|
|
USHORT uRow;
|
|
|
|
if( uiTop <= uiBottom )
|
|
uRow = uiTop;
|
|
else
|
|
{
|
|
uRow = uiBottom;
|
|
uiBottom = uiTop;
|
|
}
|
|
while( uRow <= uiBottom )
|
|
hb_gt_xPutch( uRow++, uiCol, byAttr, byChar );
|
|
return 0;
|
|
}
|
|
|
|
BOOL hb_gt_PreExt()
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL hb_gt_PostExt()
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL hb_gt_Suspend()
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL hb_gt_Resume()
|
|
{
|
|
return TRUE;
|
|
}
|