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/***********************************************************************/
/* EDIT.C - The body of the program. */
/***********************************************************************/
/*
* THE - The Hessling Editor. A text editor similar to VM/CMS xedit.
* Copyright (C) 1991-1997 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 Email: M.Hessling@qut.edu.au
* PO Box 203 Phone: +617 3802 0800
* Bellara http://www.gu.edu.au/gext/the/markh.html
* QLD 4507 **** Maintainer PDCurses & REXX/SQL ****
* Australia ************* Author of THE ************
*/
/*
$Id: edit.c 2.1 1995/06/24 16:29:45 MH Rel MH $
*/
#include <the.h>
#include <proto.h>
/*#define TRACE*/
bool prefix_changed=FALSE;
/***********************************************************************/
#ifdef HAVE_PROTO
void editor(void)
#else
void editor()
#endif
/***********************************************************************/
{
/*-------------------------- external data ----------------------------*/
extern bool error_on_screen;
extern WINDOW *error_window;
extern CHARTYPE display_screens;
/*--------------------------- local data ------------------------------*/
short y=0,x=0;
/*--------------------------- processing ------------------------------*/
#ifdef TRACE
trace_function("edit.c: editor");
#endif
if (display_screens > 1)
display_screen(other_screen);
getyx(CURRENT_WINDOW,y,x);
wmove(CURRENT_WINDOW,y,x);
wrefresh(CURRENT_WINDOW);
if (error_on_screen)
{
if (error_window != NULL)
{
touchwin(error_window);
wrefresh(error_window);
wmove(CURRENT_WINDOW,y,x);
wrefresh(CURRENT_WINDOW);
}
}
while (1)
{
if (process_key(-1) != RC_OK)
break;
}
#ifdef TRACE
trace_return();
#endif
return;
}
/***********************************************************************/
#ifdef HAVE_PROTO
int process_key(int key)
#else
int process_key(key)
int key;
#endif
/***********************************************************************/
{
/*-------------------------- external data ----------------------------*/
extern bool error_on_screen;
extern bool initial;
extern CHARTYPE number_of_files;
extern WINDOW *error_window;
extern CHARTYPE display_screens;
/*--------------------------- local data ------------------------------*/
unsigned short x=0,y=0;
short rc=RC_OK;
CHARTYPE string_key[2];
/*--------------------------- processing ------------------------------*/
#ifdef TRACE
trace_function("edit.c: process_key");
#endif
#if defined(USE_EXTCURSES)
getyx(CURRENT_WINDOW,y,x);
wmove(CURRENT_WINDOW,y,x);
wrefresh(CURRENT_WINDOW);
#endif
string_key[1] = '\0';
#ifdef CAN_RESIZE
if (is_termresized())
{
(void)THE_Resize(0,0);
(void)THERefresh((CHARTYPE *)"");
}
#endif
if (key == (-1))
key = my_getch(stdscr);
#if defined (MOUSE_SUPPORT_ENABLED)
if (key == KEY_MOUSE)
{
int b,ba,bm;
if (get_mouse_info(&b,&ba,&bm) != RC_OK)
#if 0
|| (BUTTON_STATUS(b) & BUTTON_ACTION_MASK) == BUTTON_RELEASED)
#endif
{
#ifdef TRACE
trace_return();
#endif
return(RC_OK);
}
}
#endif
#ifdef CAN_RESIZE
if (is_termresized())
{
#ifdef TRACE
trace_return();
#endif
return(RC_OK);
}
#endif
initial = FALSE; /* set first time a key is requested */
if (error_on_screen)
clear_msgline();
rc = function_key(key,OPTION_NORMAL);
if (number_of_files == 0)
{
#ifdef TRACE
trace_return();
#endif
return(RC_INVALID_ENVIRON);
}
if (rc >= RAW_KEY)
{
if (rc > RAW_KEY)
key = rc - (RAW_KEY*2);
if (key < 256 && key >= 0)
{
string_key[0] = (CHARTYPE)key;
(void)Text(string_key);
}
}
show_statarea();
if (display_screens > 1
&& SCREEN_FILE(0) == SCREEN_FILE(1))
{
build_screen(other_screen);
display_screen(other_screen);
/* refresh_screen(other_screen);*/
show_heading(other_screen);
}
refresh_screen(current_screen);
if (error_on_screen)
{
getyx(CURRENT_WINDOW,y,x);
if (error_window != NULL)
{
touchwin(error_window);
wnoutrefresh(error_window);
}
wmove(CURRENT_WINDOW,y,x);
wnoutrefresh(CURRENT_WINDOW);
}
#ifdef HAVE_BROKEN_SYSVR4_CURSES
getyx(CURRENT_WINDOW,y,x);
wmove(CURRENT_WINDOW,y,x);
wrefresh(CURRENT_WINDOW);
#else
doupdate();
#endif
#ifdef TRACE
trace_return();
#endif
return(RC_OK);
}
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