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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/* $Id: term.c,v 1.11 2002/11/08 21:12:58 in2 Exp $ */
#include "bbs.h"
int tgetent(const char *bp, char *name);
char *tgetstr(const char *id, char **area);
int tgetflag(const char *id);
int tgetnum(const char *id);
int tputs(const char *str, int affcnt, int (*putc) (int));
char *tparm(const char *str,...);
char *tgoto(const char *cap, int col, int row);
static struct termios tty_state, tty_new;
/* ----------------------------------------------------- */
/* basic tty control */
/* ----------------------------------------------------- */
void
init_tty()
{
if (tcgetattr(1, &tty_state) < 0) {
syslog(LOG_ERR, "tcgetattr(): %m");
return;
}
memcpy(&tty_new, &tty_state, sizeof(tty_new));
tty_new.c_lflag &= ~(ICANON | ECHO | ISIG);
/*
* tty_new.c_cc[VTIME] = 0; tty_new.c_cc[VMIN] = 1;
*/
tcsetattr(1, TCSANOW, &tty_new);
system("stty raw -echo");
}
/* ----------------------------------------------------- */
/* init tty control code */
/* ----------------------------------------------------- */
#define TERMCOMSIZE (40)
#if 0
static char *outp;
static int *outlp;
static int
outcf(int ch)
{
if (*outlp < TERMCOMSIZE) {
(*outlp)++;
*outp++ = ch;
}
return 0;
}
#endif
#ifndef Linux
static void
term_resize(int sig)
{
struct winsize newsize;
screenline_t *new_picture;
signal(SIGWINCH, SIG_IGN); /* Don't bother me! */
ioctl(0, TIOCGWINSZ, &newsize);
/* make sure reasonable size */
newsize.ws_row = MAX(24, MIN(100, newsize.ws_row));
newsize.ws_col = MAX(80, MIN(200, newsize.ws_col));
if (newsize.ws_row > t_lines) {
new_picture = (screenline_t *) calloc(newsize.ws_row,
sizeof(screenline_t));
if (new_picture == NULL) {
syslog(LOG_ERR, "calloc(): %m");
return;
}
memcpy(new_picture, big_picture, t_lines * sizeof(screenline_t));
free(big_picture);
big_picture = new_picture;
}
t_lines = newsize.ws_row;
t_columns = newsize.ws_col;
scr_lns = t_lines; /* XXX: scr_lns 跟 t_lines 有什麼不同, 為何分成兩個 */
b_lines = t_lines - 1;
p_lines = t_lines - 4;
signal(SIGWINCH, term_resize);
}
#endif
int
term_init()
{
#ifndef Linux
signal(SIGWINCH, term_resize);
#endif
return YEA;
}
char term_buf[32];
void
do_move(int destcol, int destline)
{
char buf[16], *p;
snprintf(buf, sizeof(buf), "\33[%d;%dH", destline + 1, destcol + 1);
for (p = buf; *p; p++)
ochar(*p);
}
void
save_cursor()
{
ochar('\33');
ochar('7');
}
void
restore_cursor()
{
ochar('\33');
ochar('8');
}
void
change_scroll_range(int top, int bottom)
{
char buf[16], *p;
snprintf(buf, sizeof(buf), "\33[%d;%dr", top + 1, bottom + 1);
for (p = buf; *p; p++)
ochar(*p);
}
void
scroll_forward()
{
ochar('\33');
ochar('D');
}
|
