Replace libcurses with our own vt100 handling for the ease of testing
and decreasing prerequisites.
This commit is contained in:
Vladimir 'phcoder' Serbinenko
parent
b24ca7cd89
commit
db99fbe83f
9 changed files with 152 additions and 270 deletions
|
|
@ -1,7 +1,7 @@
|
|||
/* console.c -- Ncurses console for GRUB. */
|
||||
/* console.c -- console for GRUB. */
|
||||
/*
|
||||
* GRUB -- GRand Unified Bootloader
|
||||
* Copyright (C) 2003,2005,2007,2008 Free Software Foundation, Inc.
|
||||
* Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
*
|
||||
* GRUB is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
|
|
@ -20,274 +20,159 @@
|
|||
#include <config.h>
|
||||
#include <config-util.h>
|
||||
|
||||
/* For compatibility. */
|
||||
#ifndef A_NORMAL
|
||||
# define A_NORMAL 0
|
||||
#endif /* ! A_NORMAL */
|
||||
#ifndef A_STANDOUT
|
||||
# define A_STANDOUT 0
|
||||
#endif /* ! A_STANDOUT */
|
||||
|
||||
#include <grub/emu/console.h>
|
||||
#include <grub/term.h>
|
||||
#include <grub/types.h>
|
||||
#include <grub/misc.h>
|
||||
#include <grub/mm.h>
|
||||
#include <grub/time.h>
|
||||
#include <grub/terminfo.h>
|
||||
#include <grub/dl.h>
|
||||
|
||||
#if defined(HAVE_NCURSES_CURSES_H)
|
||||
# include <ncurses/curses.h>
|
||||
#elif defined(HAVE_NCURSES_H)
|
||||
# include <ncurses.h>
|
||||
#elif defined(HAVE_CURSES_H)
|
||||
# include <curses.h>
|
||||
#else
|
||||
#error What the hell?
|
||||
#endif
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <termios.h>
|
||||
#include <stdlib.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <langinfo.h>
|
||||
|
||||
static int grub_console_attr = A_NORMAL;
|
||||
#include <grub/emu/console.h>
|
||||
|
||||
grub_uint8_t grub_console_cur_color = 7;
|
||||
|
||||
static const grub_uint8_t grub_console_standard_color = 0x7;
|
||||
|
||||
#define NUM_COLORS 8
|
||||
|
||||
static grub_uint8_t color_map[NUM_COLORS] =
|
||||
{
|
||||
COLOR_BLACK,
|
||||
COLOR_BLUE,
|
||||
COLOR_GREEN,
|
||||
COLOR_CYAN,
|
||||
COLOR_RED,
|
||||
COLOR_MAGENTA,
|
||||
COLOR_YELLOW,
|
||||
COLOR_WHITE
|
||||
};
|
||||
|
||||
static int use_color;
|
||||
extern struct grub_terminfo_output_state grub_console_terminfo_output;
|
||||
static int original_fl;
|
||||
static int saved_orig;
|
||||
static struct termios orig_tty;
|
||||
static struct termios new_tty;
|
||||
|
||||
static void
|
||||
grub_ncurses_putchar (struct grub_term_output *term __attribute__ ((unused)),
|
||||
const struct grub_unicode_glyph *c)
|
||||
put (struct grub_term_output *term __attribute__ ((unused)), const int c)
|
||||
{
|
||||
addch (c->base | grub_console_attr);
|
||||
}
|
||||
char chr = c;
|
||||
|
||||
static void
|
||||
grub_ncurses_setcolorstate (struct grub_term_output *term,
|
||||
grub_term_color_state state)
|
||||
{
|
||||
switch (state)
|
||||
{
|
||||
case GRUB_TERM_COLOR_STANDARD:
|
||||
grub_console_cur_color = grub_console_standard_color;
|
||||
grub_console_attr = A_NORMAL;
|
||||
break;
|
||||
case GRUB_TERM_COLOR_NORMAL:
|
||||
grub_console_cur_color = grub_term_normal_color;
|
||||
grub_console_attr = A_NORMAL;
|
||||
break;
|
||||
case GRUB_TERM_COLOR_HIGHLIGHT:
|
||||
grub_console_cur_color = grub_term_highlight_color;
|
||||
grub_console_attr = A_STANDOUT;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if (use_color)
|
||||
{
|
||||
grub_uint8_t fg, bg;
|
||||
|
||||
fg = (grub_console_cur_color & 7);
|
||||
bg = (grub_console_cur_color >> 4) & 7;
|
||||
|
||||
grub_console_attr = (grub_console_cur_color & 8) ? A_BOLD : A_NORMAL;
|
||||
color_set ((bg << 3) + fg, 0);
|
||||
}
|
||||
write (STDOUT_FILENO, &chr, 1);
|
||||
}
|
||||
|
||||
static int
|
||||
grub_ncurses_getkey (struct grub_term_input *term __attribute__ ((unused)))
|
||||
readkey (struct grub_term_input *term __attribute__ ((unused)))
|
||||
{
|
||||
int c;
|
||||
grub_uint8_t c;
|
||||
ssize_t actual;
|
||||
|
||||
wtimeout (stdscr, 100);
|
||||
c = getch ();
|
||||
|
||||
switch (c)
|
||||
{
|
||||
case ERR:
|
||||
return GRUB_TERM_NO_KEY;
|
||||
case KEY_LEFT:
|
||||
c = GRUB_TERM_KEY_LEFT;
|
||||
break;
|
||||
|
||||
case KEY_RIGHT:
|
||||
c = GRUB_TERM_KEY_RIGHT;
|
||||
break;
|
||||
|
||||
case KEY_UP:
|
||||
c = GRUB_TERM_KEY_UP;
|
||||
break;
|
||||
|
||||
case KEY_DOWN:
|
||||
c = GRUB_TERM_KEY_DOWN;
|
||||
break;
|
||||
|
||||
case KEY_IC:
|
||||
c = 24;
|
||||
break;
|
||||
|
||||
case KEY_DC:
|
||||
c = GRUB_TERM_KEY_DC;
|
||||
break;
|
||||
|
||||
case KEY_BACKSPACE:
|
||||
/* XXX: For some reason ncurses on xterm does not return
|
||||
KEY_BACKSPACE. */
|
||||
case 127:
|
||||
c = '\b';
|
||||
break;
|
||||
|
||||
case KEY_HOME:
|
||||
c = GRUB_TERM_KEY_HOME;
|
||||
break;
|
||||
|
||||
case KEY_END:
|
||||
c = GRUB_TERM_KEY_END;
|
||||
break;
|
||||
|
||||
case KEY_NPAGE:
|
||||
c = GRUB_TERM_KEY_NPAGE;
|
||||
break;
|
||||
|
||||
case KEY_PPAGE:
|
||||
c = GRUB_TERM_KEY_PPAGE;
|
||||
break;
|
||||
}
|
||||
|
||||
return c;
|
||||
}
|
||||
|
||||
static grub_uint16_t
|
||||
grub_ncurses_getxy (struct grub_term_output *term __attribute__ ((unused)))
|
||||
{
|
||||
int x;
|
||||
int y;
|
||||
|
||||
getyx (stdscr, y, x);
|
||||
|
||||
return (x << 8) | y;
|
||||
}
|
||||
|
||||
static grub_uint16_t
|
||||
grub_ncurses_getwh (struct grub_term_output *term __attribute__ ((unused)))
|
||||
{
|
||||
int x;
|
||||
int y;
|
||||
|
||||
getmaxyx (stdscr, y, x);
|
||||
|
||||
return (x << 8) | y;
|
||||
}
|
||||
|
||||
static void
|
||||
grub_ncurses_gotoxy (struct grub_term_output *term __attribute__ ((unused)),
|
||||
grub_uint8_t x, grub_uint8_t y)
|
||||
{
|
||||
move (y, x);
|
||||
}
|
||||
|
||||
static void
|
||||
grub_ncurses_cls (struct grub_term_output *term __attribute__ ((unused)))
|
||||
{
|
||||
clear ();
|
||||
refresh ();
|
||||
}
|
||||
|
||||
static void
|
||||
grub_ncurses_setcursor (struct grub_term_output *term __attribute__ ((unused)),
|
||||
int on)
|
||||
{
|
||||
curs_set (on ? 1 : 0);
|
||||
}
|
||||
|
||||
static void
|
||||
grub_ncurses_refresh (struct grub_term_output *term __attribute__ ((unused)))
|
||||
{
|
||||
refresh ();
|
||||
actual = read (STDIN_FILENO, &c, 1);
|
||||
if (actual > 0)
|
||||
return c;
|
||||
return -1;
|
||||
}
|
||||
|
||||
static grub_err_t
|
||||
grub_ncurses_init (struct grub_term_output *term __attribute__ ((unused)))
|
||||
grub_console_init_input (struct grub_term_input *term)
|
||||
{
|
||||
initscr ();
|
||||
raw ();
|
||||
noecho ();
|
||||
scrollok (stdscr, TRUE);
|
||||
|
||||
nonl ();
|
||||
intrflush (stdscr, FALSE);
|
||||
keypad (stdscr, TRUE);
|
||||
|
||||
if (has_colors ())
|
||||
if (!saved_orig)
|
||||
{
|
||||
start_color ();
|
||||
|
||||
if ((COLORS >= NUM_COLORS) && (COLOR_PAIRS >= NUM_COLORS * NUM_COLORS))
|
||||
{
|
||||
int i, j, n;
|
||||
|
||||
n = 0;
|
||||
for (i = 0; i < NUM_COLORS; i++)
|
||||
for (j = 0; j < NUM_COLORS; j++)
|
||||
init_pair(n++, color_map[j], color_map[i]);
|
||||
|
||||
use_color = 1;
|
||||
}
|
||||
original_fl = fcntl (STDIN_FILENO, F_GETFL);
|
||||
fcntl (STDIN_FILENO, F_SETFL, original_fl | O_NONBLOCK);
|
||||
}
|
||||
|
||||
return 0;
|
||||
saved_orig = 1;
|
||||
|
||||
tcgetattr(STDIN_FILENO, &orig_tty);
|
||||
new_tty = orig_tty;
|
||||
new_tty.c_lflag &= ~(ICANON | ECHO);
|
||||
new_tty.c_cc[VMIN] = 1;
|
||||
tcsetattr(STDIN_FILENO, TCSANOW, &new_tty);
|
||||
|
||||
return grub_terminfo_input_init (term);
|
||||
}
|
||||
|
||||
static grub_err_t
|
||||
grub_ncurses_fini (struct grub_term_output *term __attribute__ ((unused)))
|
||||
grub_console_fini_input (struct grub_term_input *term
|
||||
__attribute__ ((unused)))
|
||||
{
|
||||
endwin ();
|
||||
fcntl (STDIN_FILENO, F_SETFL, original_fl);
|
||||
tcsetattr(STDIN_FILENO, TCSANOW, &orig_tty);
|
||||
saved_orig = 0;
|
||||
return GRUB_ERR_NONE;
|
||||
}
|
||||
|
||||
static grub_err_t
|
||||
grub_console_init_output (struct grub_term_output *term)
|
||||
{
|
||||
struct winsize size;
|
||||
if (ioctl (STDOUT_FILENO, TIOCGWINSZ, &size) >= 0)
|
||||
{
|
||||
grub_console_terminfo_output.width = size.ws_col;
|
||||
grub_console_terminfo_output.height = size.ws_row;
|
||||
}
|
||||
else
|
||||
{
|
||||
grub_console_terminfo_output.width = 80;
|
||||
grub_console_terminfo_output.height = 24;
|
||||
}
|
||||
|
||||
grub_terminfo_output_init (term);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static struct grub_term_input grub_ncurses_term_input =
|
||||
|
||||
struct grub_terminfo_input_state grub_console_terminfo_input =
|
||||
{
|
||||
.name = "console",
|
||||
.getkey = grub_ncurses_getkey,
|
||||
.readkey = readkey
|
||||
};
|
||||
|
||||
static struct grub_term_output grub_ncurses_term_output =
|
||||
struct grub_terminfo_output_state grub_console_terminfo_output =
|
||||
{
|
||||
.put = put,
|
||||
.width = 80,
|
||||
.height = 24
|
||||
};
|
||||
|
||||
static struct grub_term_input grub_console_term_input =
|
||||
{
|
||||
.name = "console",
|
||||
.init = grub_ncurses_init,
|
||||
.fini = grub_ncurses_fini,
|
||||
.putchar = grub_ncurses_putchar,
|
||||
.getxy = grub_ncurses_getxy,
|
||||
.getwh = grub_ncurses_getwh,
|
||||
.gotoxy = grub_ncurses_gotoxy,
|
||||
.cls = grub_ncurses_cls,
|
||||
.setcolorstate = grub_ncurses_setcolorstate,
|
||||
.setcursor = grub_ncurses_setcursor,
|
||||
.refresh = grub_ncurses_refresh,
|
||||
.flags = GRUB_TERM_CODE_TYPE_ASCII
|
||||
.init = grub_console_init_input,
|
||||
.fini = grub_console_fini_input,
|
||||
.getkey = grub_terminfo_getkey,
|
||||
.data = &grub_console_terminfo_input
|
||||
};
|
||||
|
||||
static struct grub_term_output grub_console_term_output =
|
||||
{
|
||||
.name = "console",
|
||||
.init = grub_console_init_output,
|
||||
.putchar = grub_terminfo_putchar,
|
||||
.getxy = grub_terminfo_getxy,
|
||||
.getwh = grub_terminfo_getwh,
|
||||
.gotoxy = grub_terminfo_gotoxy,
|
||||
.cls = grub_terminfo_cls,
|
||||
.setcolorstate = grub_terminfo_setcolorstate,
|
||||
.setcursor = grub_terminfo_setcursor,
|
||||
.data = &grub_console_terminfo_output,
|
||||
};
|
||||
|
||||
void
|
||||
grub_console_init (void)
|
||||
{
|
||||
grub_term_register_output ("console", &grub_ncurses_term_output);
|
||||
grub_term_register_input ("console", &grub_ncurses_term_input);
|
||||
const char *cs = nl_langinfo (CODESET);
|
||||
if (cs && grub_strcasecmp (cs, "UTF-8"))
|
||||
grub_console_term_output.flags = GRUB_TERM_CODE_TYPE_UTF8_LOGICAL;
|
||||
else
|
||||
grub_console_term_output.flags = GRUB_TERM_CODE_TYPE_ASCII;
|
||||
grub_term_register_input ("console", &grub_console_term_input);
|
||||
grub_term_register_output ("console", &grub_console_term_output);
|
||||
grub_terminfo_init ();
|
||||
grub_terminfo_output_register (&grub_console_term_output, "vt100-color");
|
||||
}
|
||||
|
||||
void
|
||||
grub_console_fini (void)
|
||||
{
|
||||
grub_ncurses_fini (&grub_ncurses_term_output);
|
||||
if (saved_orig)
|
||||
{
|
||||
fcntl (STDIN_FILENO, F_SETFL, original_fl);
|
||||
tcsetattr(STDIN_FILENO, TCSANOW, &orig_tty);
|
||||
}
|
||||
saved_orig = 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue