forked from symfony/symfony
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Cursor.php
137 lines (109 loc) · 3.06 KB
/
Cursor.php
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
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Console;
use Symfony\Component\Console\Output\OutputInterface;
/**
* @author Pierre du Plessis <pdples@gmail.com>
*/
class Cursor
{
private $output;
private $input;
public function __construct(OutputInterface $output, $input = STDIN)
{
$this->output = $output;
$this->input = $input;
}
public function moveUp(int $lines = 1)
{
$this->output->write(sprintf("\x1b[%dA", $lines));
}
public function moveDown(int $lines = 1)
{
$this->output->write(sprintf("\x1b[%dB", $lines));
}
public function moveRight(int $columns = 1)
{
$this->output->write(sprintf("\x1b[%dC", $columns));
}
public function moveLeft(int $columns = 1)
{
$this->output->write(sprintf("\x1b[%dD", $columns));
}
public function moveToColumn(int $column)
{
$this->output->write(sprintf("\x1b[%dG", $column));
}
public function moveToPosition(int $column, int $row)
{
$this->output->write(sprintf("\x1b[%d;%dH", $row + 1, $column));
}
public function savePosition()
{
$this->output->write("\x1b7");
}
public function restorePosition()
{
$this->output->write("\x1b8");
}
public function hide()
{
$this->output->write("\x1b[?25l");
}
public function show()
{
$this->output->write("\x1b[?25h\x1b[?0c");
}
/**
* Clears all the output from the current line.
*/
public function clearLine(bool $fromCurrentPosition = false)
{
if (true === $fromCurrentPosition) {
$this->output->write("\x1b[K");
} else {
$this->output->write("\x1b[2K");
}
}
/**
* Clears all the output from the cursors' current position to the end of the screen.
*/
public function clearOutput()
{
$this->output->write("\x1b[0J", false);
}
/**
* Clears the entire screen.
*/
public function clearScreen()
{
$this->output->write("\x1b[2J", false);
}
/**
* Returns the current cursor position as x,y coordinates.
*/
public function getCurrentPosition(): array
{
static $isTtySupported;
if (null === $isTtySupported && \function_exists('proc_open')) {
$isTtySupported = (bool) @proc_open('echo 1 >/dev/null', [['file', '/dev/tty', 'r'], ['file', '/dev/tty', 'w'], ['file', '/dev/tty', 'w']], $pipes);
}
if (!$isTtySupported) {
return [1, 1];
}
$sttyMode = shell_exec('stty -g');
shell_exec('stty -icanon -echo');
@fwrite($this->input, "\033[6n");
$code = trim(fread($this->input, 1024));
shell_exec(sprintf('stty %s', $sttyMode));
sscanf($code, "\033[%d;%dR", $row, $col);
return [$col, $row];
}
}