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/***********************************************************************/
/* COLUMN.C - Column commands */
/* This file contains all commands that can be assigned to function */
/* keys or typed on the command line. */
/***********************************************************************/
/*
* THE - The Hessling Editor. A text editor similar to VM/CMS xedit.
* Copyright (C) 1991-1999 Mark Hessling
*
* 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 any later version.
*
* 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.
*
*
* If you make modifications to this software that you feel increases
* it usefulness for the rest of the community, please email the
* changes, enhancements, bug fixes as well as any and all ideas to me.
* This software is going to be maintained and enhanced as deemed
* necessary by the community.
*
* Mark Hessling, M.Hessling@qut.edu.au http://www.lightlink.com/hessling/
* PO Box 203, Bellara, QLD 4507, AUSTRALIA
* Author of THE, a Free XEDIT/KEDIT editor and, Rexx/SQL
* Maintainer of PDCurses: Public Domain Curses and, Regina Rexx interpreter
* Use Rexx ? join the Rexx Language Association: http://www.rexxla.org
*/
static char RCSid[] = "$Id: column.c,v 1.1 1999/06/25 06:11:56 mark Exp mark $";
#include <the.h>
#include <proto.h>
/***********************************************************************/
#ifdef HAVE_PROTO
short column_command(CHARTYPE *cmd_text,int cmd_type)
#else
short column_command(cmd_text,cmd_type)
CHARTYPE *cmd_text;
int cmd_type;
#endif
/***********************************************************************/
{
/*--------------------------- local data ------------------------------*/
LENGTHTYPE i=0;
LINETYPE true_line=0L;
short rc=RC_OK;
short len_params=0;
unsigned short y=0,x=0;
/*--------------------------- processing ------------------------------*/
#ifdef THE_TRACE
trace_function("column.c: column_command");
#endif
/*---------------------------------------------------------------------*/
/* All column commands under XEDIT compatibility refer to current line.*/
/* ******* At this stage, revert to THE behaviour at all times ******* */
/*---------------------------------------------------------------------*/
if (compatible_feel == COMPAT_XEDIT)
true_line = CURRENT_VIEW->current_line;
else
true_line = get_true_line(TRUE);
/*---------------------------------------------------------------------*/
/* If on TOF or BOF, exit with error. */
/*---------------------------------------------------------------------*/
if (TOF(true_line)
|| BOF(true_line))
{
display_error(36,(CHARTYPE *)"",FALSE);
#ifdef THE_TRACE
trace_return();
#endif
return(RC_NO_LINES_CHANGED);
}
/*---------------------------------------------------------------------*/
/* If HEX mode is on, convert the hex string... */
/*---------------------------------------------------------------------*/
if (CURRENT_VIEW->hex)
{
if ((len_params = convert_hex_strings(cmd_text)) == (-1))
{
display_error(32,(CHARTYPE *)"",FALSE);
#ifdef THE_TRACE
trace_return();
#endif
return(RC_INVALID_OPERAND);
}
}
else
len_params = strlen((DEFCHAR *)cmd_text);
/*---------------------------------------------------------------------*/
/* If on command line, copy current line into rec */
/*---------------------------------------------------------------------*/
if (CURRENT_VIEW->current_window == WINDOW_COMMAND
|| compatible_feel == COMPAT_XEDIT)
{
post_process_line(CURRENT_VIEW,CURRENT_VIEW->focus_line,(LINE *)NULL,TRUE);
pre_process_line(CURRENT_VIEW,CURRENT_VIEW->current_line,(LINE *)NULL);
x = CURRENT_VIEW->current_column-1;
}
else
{
if (CURRENT_VIEW->current_window == WINDOW_PREFIX)
{
if (cmd_type != COLUMN_CAPPEND)
{
display_error(36,(CHARTYPE *)"",FALSE);
#ifdef THE_TRACE
trace_return();
#endif
return(RC_NO_LINES_CHANGED);
}
}
if (curses_started)
getyx(CURRENT_WINDOW,y,x);
x = CURRENT_VIEW->verify_col-1+x;
}
switch(cmd_type)
{
case COLUMN_CAPPEND:
CURRENT_VIEW->current_column = rec_len+1;
for (i=0;i<len_params;i++)
{
if (rec_len > max_line_length)
break;
rec[rec_len] = *(cmd_text+i);
rec_len++;
}
#if 0
rec[rec_len] = '\0';
#endif
break;
case COLUMN_CINSERT:
if (x > rec_len)
{
rec_len = x;
for (i=0;i<len_params;i++)
{
if (rec_len > max_line_length)
break;
rec[rec_len] = *(cmd_text+i);
rec_len++;
}
#if 0
rec[rec_len] = '\0';
#endif
}
else
{
rec = meminsmem(rec,cmd_text,len_params,x,max_line_length,rec_len);
rec_len = min(max_line_length,rec_len+len_params);
#if 0
rec[rec_len] = '\0';
#endif
}
break;
case COLUMN_COVERLAY:
for (i=0;i<len_params;i++)
{
if (x > max_line_length)
break;
switch(*(cmd_text+i))
{
case '_':
rec[x] = ' ';
break;
case ' ':
break;
default:
rec[x] = *(cmd_text+i);
break;
}
x++;
}
rec_len = max(rec_len,x+1);
#if 0
rec[rec_len] = '\0';
#endif
break;
case COLUMN_CREPLACE:
for (i=0;i<len_params;i++)
{
if (x > max_line_length)
break;
rec[x] = *(cmd_text+i);
x++;
}
rec_len = max(rec_len,x+1);
#if 0
rec[rec_len] = '\0';
#endif
break;
}
if (CURRENT_VIEW->current_window == WINDOW_COMMAND
|| compatible_feel == COMPAT_XEDIT)
{
post_process_line(CURRENT_VIEW,CURRENT_VIEW->current_line,(LINE *)NULL,TRUE);
pre_process_line(CURRENT_VIEW,CURRENT_VIEW->focus_line,(LINE *)NULL);
}
else
{
switch(cmd_type)
{
case COLUMN_CAPPEND:
if (CURRENT_VIEW->current_window == WINDOW_PREFIX)
{
CURRENT_VIEW->current_window = WINDOW_FILEAREA;
if (curses_started)
wmove(CURRENT_WINDOW,y,0);
}
rc = execute_move_cursor(CURRENT_VIEW->current_column-1);
break;
case COLUMN_CINSERT:
break;
}
}
build_screen(current_screen);
display_screen(current_screen);
#ifdef THE_TRACE
trace_return();
#endif
return(rc);
}
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