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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
#include "tweak.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <assert.h>
#if defined(unix) && !defined(GO32)
#include <signal.h>
#include <sys/ioctl.h>
#endif
#include <slang.h>
#if defined(unix) && !defined(GO32)
static int sigwinch (int sigtype)
{
extern void schedule_update(void);
schedule_update();
signal (SIGWINCH, (void *) sigwinch);
return 0;
}
#endif
int display_rows, display_cols;
void display_beep(void)
{
SLtt_beep();
}
static void get_screen_size (void) {
int r = 0, c = 0;
#ifdef TIOCGWINSZ
struct winsize wind_struct;
if ((ioctl(1,TIOCGWINSZ,&wind_struct) == 0)
|| (ioctl(0, TIOCGWINSZ, &wind_struct) == 0)
|| (ioctl(2, TIOCGWINSZ, &wind_struct) == 0)) {
c = (int) wind_struct.ws_col;
r = (int) wind_struct.ws_row;
}
#elif defined(MSDOS)
union REGS regs;
regs.h.ah = 0x0F;
int86 (0x10, ®s, ®s);
c = regs.h.ah;
regs.x.ax = 0x1130, regs.h.bh = 0;
int86 (0x10, ®s, ®s);
r = regs.h.dl + 1;
#endif
if ((r <= 0) || (r > 200)) r = 24;
if ((c <= 0) || (c > 250)) c = 80;
display_rows = SLtt_Screen_Rows = r;
display_cols = SLtt_Screen_Cols = c;
}
void display_setup(void)
{
SLtt_get_terminfo();
if (SLang_init_tty (ABORT, 1, 0) == -1) {
fprintf(stderr, "tweak: SLang_init_tty: returned error code\n");
exit (1);
}
SLang_set_abort_signal (NULL);
SLtt_Use_Ansi_Colors = TRUE;
get_screen_size ();
if (SLsmg_init_smg () < 0) {
fprintf(stderr, "tweak: SLsmg_init_smg: returned error code\n");
SLang_reset_tty ();
exit (1);
}
#if defined(unix) && !defined(GO32)
signal (SIGWINCH, (void *) sigwinch);
#endif
}
void display_cleanup(void)
{
SLsmg_reset_smg ();
SLang_reset_tty ();
}
void display_moveto(int y, int x)
{
SLsmg_gotorc(y, x);
}
void display_refresh(void)
{
SLsmg_refresh();
}
void display_write_str(char *str)
{
SLsmg_write_nchars(str, strlen(str));
}
void display_write_chars(char *str, int len)
{
SLsmg_write_nchars(str, len);
}
void display_define_colour(int colour, int fg, int bg, int reverse)
{
static char *colours[16] = {
"black", "red", "green", "brown",
"blue", "magenta", "cyan", "lightgray",
"gray", "brightred", "brightgreen", "yellow",
"brightblue", "brightmagenta", "brightcyan", "white",
};
char cname[40];
if (fg < 0 && bg < 0) {
/* FIXME: not sure how to support terminal default fg+bg */
fg = 7;
bg = 0;
}
snprintf(cname, sizeof(cname), "colour%d", colour);
SLtt_set_color(colour, cname, colours[fg], colours[bg]);
}
void display_set_colour(int colour)
{
SLsmg_set_color(colour);
}
void display_clear_to_eol(void)
{
SLsmg_erase_eol();
}
int display_getkey(void)
{
return SLang_getkey();
}
int display_input_to_flush(void)
{
return SLang_input_pending(0);
}
void display_post_error(void)
{
SLKeyBoard_Quit = 0;
SLang_Error = 0;
}
void display_recheck_size(void)
{
SLsmg_reset_smg ();
get_screen_size ();
SLsmg_init_smg ();
}
|
