mc/pc/cons_os2.c

111 lines
3.0 KiB
C

/* Client interface for General purpose OS/2 console save/restore server.
1997 Alexander Dong <ado@software-ag.de>
Having the same interface as its Linux counterpart:
Copyright (C) 1994 Janne Kukonlehto <jtklehto@stekt.oulu.fi>
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.
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.
*/
#include <config.h>
#ifdef __os2__
#define INCL_BASE
#define INCL_NOPM
#define INCL_VIO
#define INCL_KBD
#define INCL_DOS
#define INCL_SUB
#define INCL_DOSERRORS
#include <os2.h>
#endif
#include "../src/tty.h"
#include "../src/util.h"
#include "../src/win.h"
#include "../src/cons.saver.h"
signed char console_flag = 1;
static unsigned char *scr_buffer;
static unsigned char *pointer;
static int GetScrRows();
static int GetScrCols();
static int GetScrRows()
{
VIOMODEINFO pvMode = {80};
unsigned int hVio = 0;
VioGetMode(&pvMode, hVio);
return (pvMode.row ? pvMode.row: 25);
}
static int GetScrCols()
{
VIOMODEINFO pvMode = {80};
unsigned int hVio = 0;
VioGetMode(&pvMode, hVio);
return (pvMode.col ? pvMode.col: 80);
}
void show_console_contents (int starty, unsigned char begin_line, unsigned char end_line)
{
int col = GetScrCols();
int row = GetScrRows();
int n;
register int z;
pointer = scr_buffer;
for (z=0; z<(begin_line * col); z++) {
pointer++; pointer++;
}
n = (end_line - begin_line + 1) * col;
VioWrtCellStr((PCH) pointer, (USHORT) n, begin_line, 0, 0);
return;
}
void handle_console (unsigned char action)
{
static int col;
static int row;
int n;
switch (action) {
case CONSOLE_INIT: /* Initialize */
col = GetScrCols();
row = GetScrRows();
scr_buffer = (unsigned char *) malloc(col * row * 2); /* short values */
n = col * row * 2;
VioReadCellStr((PCH) scr_buffer, (USHORT *) &n, 0, 0, 0); /* Just save it */
break;
case CONSOLE_DONE:
free(scr_buffer);
break;
case CONSOLE_SAVE: /* Save the screen */
n = col * row * 2;
VioReadCellStr((PCH) scr_buffer, (USHORT *) &n, 0, 0, 0);
break;
case CONSOLE_RESTORE:
n = col * row * 2;
VioWrtCellStr ((PCH) scr_buffer, (USHORT) n, 0, 0, 0); /* Write it back */
break;
default:
/* This is not possible, but if we are here, just save the screen */
handle_console(CONSOLE_SAVE);
break;
}
return;
}