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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
#include <stdio.h>
char *CL, *CM, *CS, *SR;
int CO, LI, AM, XN;
char *tgetstr(), *getenv();
void PutStr(), CPutStr(), CCPutStr(), GotoPos(), RETURN();
main()
{
char *term, *s;
char tcbuf[1024];
char tcstr[1024], *tp;
if ((term = getenv("TERM")) == 0)
{
fprintf(stderr, "No $TERM set\n");
exit(1);
}
switch (tgetent(tcbuf, term))
{
case -1:
fprintf(stderr, "Could not open termcap file\n");
exit(1);
case 0:
fprintf(stderr, "I don't know what a '%s' terminal is.\n", term);
exit(1);
}
tp = tcstr;
if ((CL = tgetstr("cl", &tp)) == 0)
{
fprintf(stderr, "cl capability required\n");
exit(1);
}
if ((CM = tgetstr("cm", &tp)) == 0)
{
fprintf(stderr, "cm capability required\n");
exit(1);
}
if ((s = getenv("COLUMNS")))
CO = atoi(s);
if ((s = getenv("LINES")))
LI = atoi(s);
if (CO == 0)
CO = tgetnum("co");
if (LI == 0)
LI = tgetnum("li");
if (CO == 0)
CO = 80;
if (LI == 0)
LI = 24;
GotoPos(5, 1);
printf("******* cl capability does not work !!! *******");
GotoPos(5, 2);
PutStr(CL);
printf("******* cl capability does not home cursor *******");
GotoPos(0, 0);
printf(" ");
GotoPos(5, 4);
printf("******* cm capability does not work !!! *******");
GotoPos(5, 4);
printf(" ");
GotoPos(CO/2-12, LI/2);
printf("Your terminal size is");
GotoPos(CO/2-3, LI/2+1);
printf("%dx%d", CO, LI);
GotoPos(CO/2-2, 0);
printf("top");
GotoPos(CO/2-3, LI-1);
printf("bottom");
GotoPos(0, LI/2-2);printf("l");
GotoPos(0, LI/2-1);printf("e");
GotoPos(0, LI/2+0);printf("f");
GotoPos(0, LI/2+1);printf("t");
GotoPos(CO-1, LI/2-2);printf("r");
GotoPos(CO-1, LI/2-1);printf("i");
GotoPos(CO-1, LI/2+0);printf("g");
GotoPos(CO-1, LI/2+1);printf("h");
GotoPos(CO-1, LI/2+2);printf("t");
GotoPos(CO/2-15, LI/2+3);
RETURN();
AM = tgetflag("am");
printf("Termcap: terminal does %sauto-wrap", AM ? "" : "not ");
GotoPos(0, 5);
if (AM)
{
printf(" am capability set, but terminal does not wrap");
GotoPos(CO-1, 3);
}
else
{
printf(" am capability not set, but terminal does wrap");
GotoPos(CO-1, 4);
}
printf(" \n ");
GotoPos(0, 10);
RETURN();
if (AM)
{
XN = tgetflag("xn");
printf("Termcap: terminal has %smagic margins", XN ? "" : "no ");
GotoPos(0, 5);
if ((XN = tgetflag("xn")))
{
printf(" xn capability set, but terminal has no magic-margins");
GotoPos(CO-1, 4);
}
else
{
printf(" xn capability not set, but terminal has magic-margins");
GotoPos(CO-1, 3);
}
printf(" \n");
printf(" ");
GotoPos(0, 10);
RETURN();
if (XN)
{
GotoPos(0, 6);
printf(" last col in last row is not usable");
GotoPos(CO-1, LI-1);
printf(" ");
GotoPos(0, 6);
printf(" ");
GotoPos(0, 0);
printf("testing magic margins in last row");
GotoPos(0, 10);
RETURN();
}
}
if ((CS = tgetstr("cs", &tp)))
{
printf("Termcap: terminal has scrollregions");
GotoPos(0, 5);
printf(" cs capability set, but doesn't work");
CCPutStr(CS, 4, 5);
GotoPos(0, 5);
printf("\n\n");
CCPutStr(CS, 0, LI-1);
GotoPos(0, 10);
RETURN();
}
if ((SR = tgetstr("sr", &tp)))
{
GotoPos(0, 5);
printf(" sr capability set, but doesn't work");
GotoPos(0, 0);
PutStr(SR);
GotoPos(0, 6);
printf(" ");
GotoPos(0, 0);
printf("Termcap: terminal can scroll backwards");
GotoPos(0, 10);
RETURN();
}
}
void
putcha(c)
char c;
{
putchar(c);
}
void
PutStr(s)
char *s;
{
tputs(s, 1, putcha);
fflush(stdout);
}
void CPutStr(s, c)
char *s;
int c;
{
tputs(tgoto(s, 0, c), 1, putcha);
fflush(stdout);
}
void CCPutStr(s, x, y)
char *s;
int x, y;
{
tputs(tgoto(s, y, x), 1, putcha);
fflush(stdout);
}
void GotoPos(x,y)
int x,y;
{
tputs(tgoto(CM, x, y), 1, putcha);
fflush(stdout);
}
void
RETURN()
{
printf("Press <RETURN> to continue");
fflush(stdout);
while(getchar() != '\n');
PutStr(CL);
}
|