mirror of
https://github.com/reactos/reactos.git
synced 2024-12-30 19:14:31 +00:00
110 lines
3 KiB
C
110 lines
3 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;
|
|
}
|