Sweden-Number/console/ncurses.c

138 lines
3.0 KiB
C

/* ncurses.c */
#include "config.h"
#ifdef WINE_NCURSES
/* This is the console driver for systems that support the ncurses
interface.
*/
/* Actually, this should work for curses, as well. But there may be
individual functions that are unsupported in plain curses or other
variants. Those should be detected and special-cased by autoconf.
*/
/* When creating new drivers, you need to assign all the functions that
that driver supports into the driver struct. If it is a supplementary
driver, it should make sure to perserve the old values.
*/
#include "console.h"
#include "debug.h"
#undef ERR /* Use ncurses's err() */
#include <curses.h>
SCREEN *ncurses_screen;
void NCURSES_Start()
{
/* This should be the root driver so we can ignore anything
already in the struct. */
driver.norefresh = FALSE;
driver.init = NCURSES_Init;
driver.write = NCURSES_Write;
driver.close = NCURSES_Close;
driver.moveCursor = NCURSES_MoveCursor;
driver.getCursorPosition = NCURSES_GetCursorPosition;
driver.getCharacterAtCursor = NCURSES_GetCharacterAtCursor;
driver.clearScreen = NCURSES_ClearScreen;
driver.checkForKeystroke = NCURSES_CheckForKeystroke;
driver.getKeystroke = NCURSES_GetKeystroke;
driver.refresh = NCURSES_Refresh;
}
void NCURSES_Init()
{
ncurses_screen = newterm("xterm", driver.console_out,
driver.console_in);
set_term(ncurses_screen);
cbreak();
noecho();
nonl();
intrflush(stdscr, FALSE);
keypad(stdscr, TRUE);
nodelay(stdscr, TRUE);
}
void NCURSES_Write(char output, int fg, int bg, int attribute)
{
/* We can discard all extended information. */
waddch(stdscr, output);
}
void NCURSES_Close()
{
endwin();
}
void NCURSES_GetKeystroke(char *scan, char *ascii)
{
while (!NCURSES_CheckForKeystroke(scan, ascii))
{} /* Wait until keystroke is detected */
/* When it is detected, we will already have the right value
in scan and ascii, but we need to take this keystroke
out of the buffer. */
wgetch(stdscr);
}
int NCURSES_CheckForKeystroke(char *scan, char *ascii)
{
/* We don't currently support scan codes here */
/* FIXME */
int temp;
temp = wgetch(stdscr);
if (temp == ERR)
{
return FALSE;
}
else
{
ungetch(temp); /* Keystroke not removed from buffer */
*ascii = (char) temp;
return TRUE;
}
}
void NCURSES_MoveCursor(char row, char col)
{
wmove(stdscr, row, col);
}
void NCURSES_GetCursorPosition(char *row, char *col)
{
int trow, tcol;
getyx(stdscr, trow, tcol); /* MACRO, no need to pass pointer */
*row = (char) trow;
*col = (char) tcol;
}
void NCURSES_GetCharacterAtCursor(char *ch, int *fg_color, int
*bg_color, int *attribute)
{
/* We will eventually have to convert the color data */
*ch = (char) winch(stdscr);
*fg_color = 0;
*bg_color = 0;
*attribute = 0;
};
void NCURSES_Refresh()
{
wrefresh(stdscr);
}
void NCURSES_ClearScreen()
{
werase(stdscr);
}
#endif /* WINE_NCURSES */