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
|
#include "libbb.h"
#include <windef.h>
#include <wincon.h>
#include "strbuf.h"
#include "cygwin_termios.h"
int tcgetattr(int fd, struct termios *t)
{
t->c_lflag = ECHO;
return 0;
}
int tcsetattr(int fd, int mode, const struct termios *t)
{
return 0;
}
static int get_wincon_width_height(const int fd, int *width, int *height)
{
HANDLE console;
CONSOLE_SCREEN_BUFFER_INFO sbi;
console = GetStdHandle(STD_OUTPUT_HANDLE);
if (console == INVALID_HANDLE_VALUE || !console)
return -1;
GetConsoleScreenBufferInfo(console, &sbi);
if (width)
*width = sbi.srWindow.Right - sbi.srWindow.Left;
if (height)
*height = sbi.srWindow.Bottom - sbi.srWindow.Top;
return 0;
}
int get_terminal_width_height(const int fd, int *width, int *height)
{
return get_wincon_width_height(fd, width, height);
}
int wincon_read(int fd, char *buf, int size)
{
static struct strbuf input = STRBUF_INIT;
HANDLE cin = GetStdHandle(STD_INPUT_HANDLE);
static int initialized = 0;
if (fd != 0)
die("wincon_read is for stdin only");
if (cin == INVALID_HANDLE_VALUE || is_cygwin_tty(fd))
return safe_read(fd, buf, size);
if (!initialized) {
SetConsoleMode(cin, ENABLE_ECHO_INPUT);
initialized = 1;
}
while (input.len < size) {
INPUT_RECORD record;
DWORD nevent_out;
int ch;
if (!ReadConsoleInput(cin, &record, 1, &nevent_out))
return -1;
if (record.EventType != KEY_EVENT || !record.Event.KeyEvent.bKeyDown)
continue;
ch = record.Event.KeyEvent.uChar.AsciiChar;
/* Ctrl-X is handled by ReadConsoleInput, Alt-X is not needed anyway */
strbuf_addch(&input, ch);
}
memcpy(buf, input.buf, size);
memcpy(input.buf, input.buf+size, input.len-size+1);
strbuf_setlen(&input, input.len-size);
return size;
}
|
