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/*
* File: libdos.cc
* Summary: Functions for DOS support.
* Needed by makefile.dos.
* Written by: Darshan Shaligram
*
* Added for Crawl Reference by dshaligram on Wed Nov 22 08:41:20 2006 UTC
*/
// Every .cc must include AppHdr or bad things happen.
#include "AppHdr.h"
#include "cio.h"
#include <termios.h>
#include <conio.h>
#include "options.h"
#include "viewgeom.h"
#if defined(TARGET_OS_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);
// Turn off blink.
intensevideo();
}
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);
cgotoxy(1, get_number_of_lines());
clreol();
// Cursor also scrolls up so prompts don't look brain-damaged.
if (y == get_number_of_lines())
cgotoxy(x, y - 1);
}
void message_out(int *which_line, int colour, const char *s, int firstcol)
{
if (!firstcol)
firstcol = Options.delay_message_clear? 2 : 1;
while (*which_line > crawl_view.msgsz.y - 1)
{
scroll_message_window();
(*which_line)--;
}
cgotoxy(firstcol + crawl_view.msgp.x - 1,
(*which_line) + crawl_view.msgp.y);
textcolor(colour);
cprintf("%s", s);
}
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);
}
int getch_ck()
{
int c = getch();
if (!c)
{
switch (c = getch())
{
case 'O': return CK_END;
case 'P': return CK_DOWN;
case 'I': return CK_PGUP;
case 'H': return CK_UP;
case 'G': return CK_HOME;
case 'K': return CK_LEFT;
case 'Q': return CK_PGDN;
case 'M': return CK_RIGHT;
case 119: return CK_CTRL_HOME;
case 141: return CK_CTRL_UP;
case 132: return CK_CTRL_PGUP;
case 116: return CK_CTRL_RIGHT;
case 118: return CK_CTRL_PGDN;
case 145: return CK_CTRL_DOWN;
case 117: return CK_CTRL_END;
case 115: return CK_CTRL_LEFT;
case 'S': return CK_DELETE;
}
}
return c;
}
int m_getch()
{
return getch();
}
void putwch(unsigned c)
{
putch(static_cast<char>(c));
}
#endif /* #if defined(TARGET_OS_DOS) */
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