541 lines
13 KiB
C
541 lines
13 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 plain ANSI C stream IO
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*
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* Copyright 1999-2001 Viktor Szakats <viktor.szakats@syenar.hu>
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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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/* NOTE: User programs should never call this layer directly! */
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/* TODO: include any standard headers here */
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#include "hbapifs.h"
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#include "hbapigt.h"
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static SHORT s_iRow;
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static SHORT s_iCol;
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static USHORT s_uiMaxRow;
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static USHORT s_uiMaxCol;
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static USHORT s_uiCursorStyle;
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static BOOL s_bBlink;
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static int s_iFilenoStdout;
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static USHORT s_uiDispCount;
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static char * s_szCrLf;
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static ULONG s_ulCrLf;
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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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HB_SYMBOL_UNUSED( iFilenoStdin );
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HB_SYMBOL_UNUSED( iFilenoStderr );
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s_uiDispCount = 0;
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s_iRow = 0;
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s_iCol = 0;
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s_uiMaxRow = 32767;
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s_uiMaxCol = 32767;
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s_uiCursorStyle = SC_NORMAL;
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s_bBlink = FALSE;
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s_iFilenoStdout = iFilenoStdout;
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hb_fsSetDevMode( s_iFilenoStdout, FD_BINARY );
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s_szCrLf = hb_conNewLine();
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s_ulCrLf = strlen( s_szCrLf );
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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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}
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static void out_stdout( char * pStr, ULONG ulLen )
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{
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unsigned uiErrorOld = hb_fsError(); /* Save current user file error code */
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hb_fsWriteLarge( s_iFilenoStdout, ( BYTE * ) pStr, ulLen );
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hb_fsSetError( uiErrorOld ); /* Restore last user file error code */
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}
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static void out_newline( void )
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{
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out_stdout( s_szCrLf, s_ulCrLf );
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}
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int hb_gt_ExtendedKeySupport()
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{
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return 0;
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}
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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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return 13;
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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_iRow;
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USHORT col = s_iCol;
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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_uiMaxCol;
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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_uiMaxRow )
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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_uiMaxCol )
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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_uiMaxRow )
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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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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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return FALSE;
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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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return s_uiMaxCol;
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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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return s_uiMaxRow;
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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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if( iMethod == HB_GT_SET_POS_BEFORE )
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{
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/* Only set the screen position when the cursor
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position is changed BEFORE text is displayed.
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*/
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if( iRow != s_iRow )
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{
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out_newline();
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s_iCol = 0;
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}
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if( s_iCol < iCol ) while( ++s_iCol < iCol ) out_stdout( " ", 1 );
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}
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s_iRow = iRow;
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s_iCol = iCol;
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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_iCol;
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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_iRow;
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}
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USHORT hb_gt_GetCursorStyle( void )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_GetCursorStyle()"));
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return s_uiCursorStyle;
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}
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void hb_gt_SetCursorStyle( USHORT uiCursorStyle )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_SetCursorStyle(%hu)", uiCursorStyle));
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s_uiCursorStyle = uiCursorStyle;
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}
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static void hb_gt_xPutch( USHORT uiRow, USHORT uiCol, BYTE byAttr, BYTE byChar )
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{
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char szBuffer[ 2 ];
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_xPutch(%hu, %hu, %d, %i)", uiRow, uiCol, (int) byAttr, byAttr));
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HB_SYMBOL_UNUSED( byAttr );
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hb_gt_SetPos( uiRow, uiCol, HB_GT_SET_POS_BEFORE );
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szBuffer[ 0 ] = byChar;
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szBuffer[ 1 ] = '\0';
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out_stdout( szBuffer, 1 );
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hb_gt_AdjustPos( ( BYTE * ) szBuffer, 1 );
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}
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void hb_gt_Puts( USHORT uiRow, USHORT uiCol, BYTE byAttr, BYTE * pbyStr, ULONG ulLen )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_Puts(%hu, %hu, %d, %p, %lu)", uiRow, uiCol, (int) byAttr, pbyStr, ulLen));
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HB_SYMBOL_UNUSED( byAttr );
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hb_gt_SetPos( uiRow, uiCol, HB_GT_SET_POS_BEFORE );
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out_stdout( ( char * ) pbyStr, ulLen );
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hb_gt_AdjustPos( pbyStr, ulLen );
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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 uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, BYTE * pbyDst )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_GetText(%hu, %hu, %hu, %hu, %p)", uiTop, uiLeft, uiBottom, uiRight, pbyDst));
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HB_SYMBOL_UNUSED( uiTop );
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HB_SYMBOL_UNUSED( uiLeft );
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HB_SYMBOL_UNUSED( uiBottom );
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HB_SYMBOL_UNUSED( uiRight );
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HB_SYMBOL_UNUSED( pbyDst );
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}
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void hb_gt_PutText( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, BYTE * pbySrc )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_PutText(%hu, %hu, %hu, %hu, %p)", uiTop, uiLeft, uiBottom, uiRight, pbySrc));
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HB_SYMBOL_UNUSED( uiTop );
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HB_SYMBOL_UNUSED( uiLeft );
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HB_SYMBOL_UNUSED( uiBottom );
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HB_SYMBOL_UNUSED( uiRight );
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HB_SYMBOL_UNUSED( pbySrc );
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}
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void hb_gt_SetAttribute( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, BYTE byAttr )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_PutText(%hu, %hu, %hu, %hu, %d)", uiTop, uiLeft, uiBottom, uiRight, (int) byAttr));
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HB_SYMBOL_UNUSED( uiTop );
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HB_SYMBOL_UNUSED( uiLeft );
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HB_SYMBOL_UNUSED( uiBottom );
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HB_SYMBOL_UNUSED( uiRight );
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HB_SYMBOL_UNUSED( byAttr );
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}
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void hb_gt_Scroll( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, BYTE byAttr, SHORT iRows, SHORT iCols )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_Scroll(%hu, %hu, %hu, %hu, %d, %hu, %hu)", uiTop, uiLeft, uiBottom, uiRight, (int) byAttr, iRows, iCols));
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HB_SYMBOL_UNUSED( uiTop );
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HB_SYMBOL_UNUSED( uiLeft );
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HB_SYMBOL_UNUSED( uiBottom );
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HB_SYMBOL_UNUSED( uiRight );
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HB_SYMBOL_UNUSED( byAttr );
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HB_SYMBOL_UNUSED( iRows );
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HB_SYMBOL_UNUSED( iCols );
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out_newline();
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s_iRow = 0;
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s_iRow = 0;
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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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/* Do nothing else */
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}
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void hb_gt_DispEnd()
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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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/* Do nothing else */
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}
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BOOL hb_gt_SetMode( USHORT uiMaxRow, USHORT uiMaxCol )
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{
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HB_TRACE(HB_TR_DEBUG, ("hb_gt_SetMode(%hu, %hu)", uiMaxRow, uiMaxCol));
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s_uiMaxRow = uiMaxRow;
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s_uiMaxCol = uiMaxCol;
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return FALSE;
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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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return s_bBlink;
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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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s_bBlink = bBlink;
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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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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: Standard stream console";
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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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while( nLength-- )
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hb_gt_xPutch( uiRow, uiCol++, byAttr, byChar );
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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();
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if( uiHeight > 1 && uiWidth > 1 )
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hb_gt_xPutch( uiRow, uiCol, byAttr, szBox[ 0 ] ); /* Upper left corner */
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uiCol = ( uiHeight > 1 ? uiLeft + 1 : uiLeft );
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if( uiCol <= uiRight )
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hb_gt_Replicate( uiRow, uiCol, byAttr, szBox[ 1 ], uiRight - uiLeft + ( uiHeight > 1 ? -1 : 1 ) ); /* Top line */
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if( uiHeight > 1 && uiWidth > 1 )
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{
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hb_gt_xPutch( uiRow, uiRight, byAttr, szBox[ 2 ] ); /* Upper right corner */
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}
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if( szBox[ 8 ] && uiHeight > 2 && uiWidth > 2 )
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{
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for( uiRow = uiTop + 1; uiRow < uiBottom; uiRow++ )
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{
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uiCol = uiLeft;
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hb_gt_xPutch( uiRow, uiCol++, byAttr, szBox[ 7 ] ); /* Left side */
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hb_gt_Replicate( uiRow, uiCol, byAttr, szBox[ 8 ], uiRight - uiLeft - 1 ); /* Fill */
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hb_gt_xPutch( uiRow, uiRight, byAttr, szBox[ 3 ] ); /* Right side */
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}
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}
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else
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{
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for( uiRow = ( uiWidth > 1 ? uiTop + 1 : uiTop ); uiRow < ( uiWidth > 1 ? uiBottom : uiBottom + 1 ); uiRow++ )
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{
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hb_gt_xPutch( uiRow, uiLeft, byAttr, szBox[ 7 ] ); /* Left side */
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if( uiWidth > 1 )
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{
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hb_gt_Replicate( uiRow, uiCol, byAttr, ' ', uiWidth - 2 );
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hb_gt_xPutch( uiRow, uiRight, byAttr, szBox[ 3 ] ); /* Right side */
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}
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}
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}
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if( uiHeight > 1 && uiWidth > 1 )
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{
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hb_gt_xPutch( uiBottom, uiLeft, byAttr, szBox[ 6 ] ); /* Bottom left corner */
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uiCol = ( uiHeight > 1 ? uiLeft + 1 : uiLeft );
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if( uiCol <= uiRight && uiHeight > 1 )
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hb_gt_Replicate( uiBottom, uiCol, byAttr, szBox[ 5 ], uiRight - uiLeft + ( uiHeight > 1 ? -1 : 1 ) ); /* Bottom line */
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hb_gt_xPutch( uiBottom, uiRight, byAttr, szBox[ 4 ] ); /* Bottom right corner */
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}
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hb_gt_DispEnd();
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return 0;
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}
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USHORT hb_gt_BoxD( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, BYTE * pbyFrame, BYTE byAttr )
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{
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return hb_gt_Box( uiTop, uiLeft, uiBottom, uiRight, pbyFrame, byAttr );
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}
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USHORT hb_gt_BoxS( USHORT uiTop, USHORT uiLeft, USHORT uiBottom, USHORT uiRight, BYTE * pbyFrame, BYTE byAttr )
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{
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return hb_gt_Box( uiTop, uiLeft, uiBottom, uiRight, pbyFrame, byAttr );
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}
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USHORT hb_gt_HorizLine( USHORT uiRow, USHORT uiLeft, USHORT uiRight, BYTE byChar, BYTE byAttr )
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{
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if( uiLeft < uiRight )
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hb_gt_Replicate( uiRow, uiLeft, byAttr, byChar, uiRight - uiLeft + 1 );
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else
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hb_gt_Replicate( uiRow, uiRight, byAttr, byChar, uiLeft - uiRight + 1 );
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return 0;
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}
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USHORT hb_gt_VertLine( USHORT uiCol, USHORT uiTop, USHORT uiBottom, BYTE byChar, BYTE byAttr )
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{
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USHORT uRow;
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if( uiTop <= uiBottom )
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uRow = uiTop;
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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;
|
|
}
|