mirror of
https://github.com/MidnightCommander/mc
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115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
/* Client interface for General purpose OS/2 console save/restore server.
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1997 Alexander Dong <ado@software-ag.de>
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Having the same interface as its Linux counterpart:
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Copyright (C) 1994 Janne Kukonlehto <jtklehto@stekt.oulu.fi>
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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 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <config.h>
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#ifndef __os2__
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#error This file is for OS/2 operating systems.
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#else
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#define INCL_BASE
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#define INCL_NOPM
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#define INCL_VIO
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#define INCL_KBD
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#define INCL_DOS
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#define INCL_SUB
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#define INCL_DOSERRORS
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#include <os2.h>
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#include "tty.h"
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#include "util.h"
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#include "win.h"
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#include "cons.saver.h"
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signed char console_flag = 1;
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static unsigned char *scr_buffer;
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static unsigned char *pointer;
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static int GetScrRows();
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static int GetScrCols();
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static int GetScrRows()
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{
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VIOMODEINFO pvMode = {80};
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unsigned int hVio = 0;
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VioGetMode(&pvMode, hVio);
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return (pvMode.row ? pvMode.row: 25);
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}
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static int GetScrCols()
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{
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VIOMODEINFO pvMode = {80};
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unsigned int hVio = 0;
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VioGetMode(&pvMode, hVio);
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return (pvMode.col ? pvMode.col: 80);
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}
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void show_console_contents (int starty, unsigned char begin_line, unsigned char end_line)
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{
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int col = GetScrCols();
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int row = GetScrRows();
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int n;
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register int z;
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pointer = scr_buffer;
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for (z=0; z<(begin_line * col); z++) {
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pointer++; pointer++;
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}
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n = (end_line - begin_line + 1) * col;
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VioWrtCellStr((PCH) pointer, (USHORT) n, begin_line, 0, 0);
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return; /* .ado */
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}
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void handle_console (unsigned char action)
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{
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static int col;
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static int row;
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int n;
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switch (action) {
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case CONSOLE_INIT: /* Initialize */
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col = GetScrCols();
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row = GetScrRows();
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scr_buffer = (unsigned char *) malloc(col * row * 2); /* short values */
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n = col * row * 2;
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VioReadCellStr((PCH) scr_buffer, (USHORT *) &n, 0, 0, 0); /* Just save it */
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break;
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case CONSOLE_DONE:
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free(scr_buffer);
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break;
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case CONSOLE_SAVE: /* Save the screen */
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n = col * row * 2;
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VioReadCellStr((PCH) scr_buffer, (USHORT *) &n, 0, 0, 0);
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break;
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case CONSOLE_RESTORE:
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n = col * row * 2;
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VioWrtCellStr ((PCH) scr_buffer, (USHORT) n, 0, 0, 0); /* Write it back */
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break;
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default:
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/* This is not possible, but if we are here, just save the screen */
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handle_console(CONSOLE_SAVE);
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break;
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}
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return; /* .ado */
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}
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#endif // !__os2__
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