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/*
* File: libdos.cc
* Summary: Functions for DOS support.
* Written by: Darshan Shaligram
*
* Added for Crawl Reference by $Author: nlanza $ on $Date: 2006-09-26T03:22:57.300929Z $
*/
// Every .cc must include AppHdr or bad things happen.
#include "AppHdr.h"
#include "externs.h"
#include <termios.h>
#include <conio.h>
#if defined(DOS)
static bool cursor_is_enabled = true;
void init_libdos()
{
struct termios charmode;
tcgetattr (0, &charmode);
// Ignore Ctrl-C
charmode.c_lflag &= ~ISIG;
tcsetattr (0, TCSANOW, &charmode);
}
void clear_message_window()
{
window(crawl_view.msgp.x, crawl_view.msgp.y,
get_number_of_cols(), get_number_of_lines());
clrscr();
window(1, 1, get_number_of_cols(), get_number_of_lines());
}
static void scroll_message_window()
{
const int x = wherex(), y = wherey();
textcolor(LIGHTGREY);
movetext(crawl_view.msgp.x, crawl_view.msgp.y + 1,
get_number_of_cols(), get_number_of_lines(),
crawl_view.msgp.x, crawl_view.msgp.y);
gotoxy(1, get_number_of_lines());
clreol();
// Cursor also scrolls up so prompts don't look brain-damaged.
if (y == get_number_of_lines())
gotoxy(x, y - 1);
}
void message_out(int which_line, int colour, const char *s, int firstcol,
bool newline)
{
if (!firstcol)
firstcol = Options.delay_message_clear? 2 : 1;
gotoxy(firstcol + crawl_view.msgp.x - 1,
which_line + crawl_view.msgp.y);
textcolor(colour);
cprintf("%s", s);
if (newline && which_line == crawl_view.msgsz.y - 1)
scroll_message_window();
}
void set_cursor_enabled(bool enabled)
{
cursor_is_enabled = enabled;
_setcursortype( enabled? _NORMALCURSOR : _NOCURSOR );
}
bool is_cursor_enabled()
{
return (cursor_is_enabled);
}
// This will force the cursor down to the next line.
void clear_to_end_of_line()
{
clreol();
}
int get_number_of_lines()
{
return (25);
}
int get_number_of_cols()
{
return (80);
}
#endif /* #if defined(DOS) */
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