1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/* ----------------------------------------------------------------------- *
*
* Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston MA 02110-1301, USA; either version 2 of the License, or
* (at your option) any later version; incorporated herein by reference.
*
* ----------------------------------------------------------------------- */
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <consoles.h>
#include <getkey.h>
#include <minmax.h>
#include <setjmp.h>
#include <limits.h>
#include <sha1.h>
#include <base64.h>
#include <colortbl.h>
#ifdef __COM32__
#include <com32.h>
#endif
#include "menu.h"
static int draw_message_file(const char *filename)
{
FILE *f;
int ch;
enum msgname_state {
st_init, /* Base state */
st_si_1, /* <SI> digit 1 */
st_si_2, /* <SI> digit 2 */
st_skipline, /* Skip until NL */
} state = st_init;
int eof = 0;
int attr = 0;
f = fopen(filename, "r");
if (!f)
return -1;
/* Clear screen, hide cursor, default attribute */
printf("\033e\033%%@\033)0\033(B\3#%03d\033[?25l\033[2J\033[H",
message_base_color + 0x07);
while (!eof && (ch = getc(f)) != EOF) {
switch (state) {
case st_init:
switch (ch) {
case '\f':
fputs("\033[2J\033[H", stdout);
break;
case 15: /* SI */
state = st_si_1;
break;
case 24:
state = st_skipline;
break;
case 26:
eof = 1;
break;
case '\a':
case '\n':
case '\r':
putchar(ch);
break;
default:
if (ch >= 32)
putchar(ch);
break;
}
break;
case st_si_1:
attr = hexval(ch) << 4;
state = st_si_2;
break;
case st_si_2:
attr |= hexval(ch);
printf("\3#%03d", attr + message_base_color);
state = st_init;
break;
case st_skipline:
if (ch == '\n')
state = st_init;
break;
}
}
fclose(f);
return 0;
}
int show_message_file(const char *filename, const char *background)
{
int rv = KEY_NONE;
const char *old_background = NULL;
if (background) {
old_background = current_background;
set_background(background);
}
if (!(rv = draw_message_file(filename)))
rv = mygetkey(0); /* Wait for keypress */
if (old_background)
set_background(old_background);
return rv;
}
|