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
|
#include "all.h"
struct macro {
int start, bytes, at, repeat;
struct macro *next, *suspended;
};
struct macro *function_key[FUNCTION_KEYS+1];
static struct buffer *macbuf;
static struct macro *macros;
static struct macro *recording, *playing;
struct macro *macro_record(void)
{
struct macro *new;
if (!macbuf)
macbuf = buffer_create(NULL);
new = allocate0(sizeof *new);
new->next = macros;
new->start = buffer_bytes(macbuf);
return macros = recording = new;
}
int macro_end_recording(unsigned chop)
{
char *raw;
unsigned n;
if (!recording)
return 0;
n = buffer_raw(macbuf, &raw, recording->start,
recording->bytes);
while (n) {
unsigned lastlen = utf8_length_backwards(raw+n-1, n);
n -= lastlen;
if (utf8_unicode(raw+n, lastlen) == chop)
break;
}
buffer_delete(macbuf, recording->start + n, recording->bytes - n);
recording->bytes = n;
recording->at = recording->bytes; /* not playing */
recording = NULL;
return 1;
}
static int macro_is_playing(struct macro *macro)
{
return macro && macro->at < macro->bytes;
}
int macro_play(struct macro *macro, int repeat)
{
if (!macro ||
macro_is_playing(macro) ||
!macro->bytes)
return 0;
macro->suspended = playing;
macro->at = 0;
macro->repeat = repeat;
playing = macro;
return 1;
}
void macros_abort(void)
{
for (; playing; playing = playing->suspended)
playing->at = playing->bytes;
}
void macro_free(struct macro *macro)
{
struct macro *previous = NULL, *mac, *next;
if (!macro)
return;
if (recording)
recording = NULL;
else if (macro_is_playing(macro))
macros_abort();
for (mac = macros; mac != macro; previous = mac, mac = next) {
next = mac->next;
if (mac == macro)
if (previous)
previous->next = next;
else
macros = next;
else if (mac->start > macro->start)
mac->start -= macro->bytes;
}
buffer_delete(macbuf, macro->start, macro->bytes);
allocate(macro, 0);
}
int macro_getch(void)
{
int ch;
if (playing) {
char *p;
unsigned n = buffer_raw(macbuf, &p, playing->start + playing->at,
playing->bytes - playing->at);
ch = utf8_unicode(p, n = utf8_length(p, n));
if ((playing->at += n) == playing->bytes)
if (playing->repeat-- > 0)
playing->at = 0;
else
playing = playing->suspended;
} else {
ch = window_getch();
if (ch >= 0 && recording) {
char buf[8];
int n = utf8_out(buf, ch);
buffer_insert(macbuf, buf,
recording->start + recording->bytes,
n);
recording->bytes += n;
}
}
return ch;
}
|
