summaryrefslogtreecommitdiffstats
path: root/mbbsd/term.c
blob: 4cab3e2c01b5ffd84a31bb4fbdb2cf602747fbab (plain) (blame)
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
/* $Id: term.c,v 1.3 2002/06/04 13:08:34 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

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);
    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;
    }
    free(big_picture);
    big_picture = new_picture;
    }

    t_lines=newsize.ws_row;
    b_lines=t_lines-1;
    p_lines=t_lines-4;

    signal(SIGWINCH, term_resize);
}

int term_init() {
    signal(SIGWINCH, term_resize);
    return YEA;
}

char term_buf[32];

void do_move(int destcol, int destline) {
    char buf[16], *p;
    
    sprintf(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;
    
    sprintf(buf, "\33[%d;%dr", top + 1, bottom + 1);
    for(p = buf; *p; p++)
    ochar(*p);
}

void scroll_forward() {
    ochar('\33');
    ochar('D');
}