-
Notifications
You must be signed in to change notification settings - Fork 1.6k
/
WindowsMode.ts
30 lines (27 loc) · 1.33 KB
/
WindowsMode.ts
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
/**
* Copyright (c) 2019 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { IDisposable } from 'xterm';
import { ITerminal } from './Types';
import { CHAR_DATA_CODE_INDEX, NULL_CELL_CODE, WHITESPACE_CELL_CODE } from 'core/buffer/BufferLine';
export function applyWindowsMode(terminal: ITerminal): IDisposable {
// Winpty does not support wraparound mode which means that lines will never
// be marked as wrapped. This causes issues for things like copying a line
// retaining the wrapped new line characters or if consumers are listening
// in on the data stream.
//
// The workaround for this is to listen to every incoming line feed and mark
// the line as wrapped if the last character in the previous line is not a
// space. This is certainly not without its problems, but generally on
// Windows when text reaches the end of the terminal it's likely going to be
// wrapped.
return terminal.onLineFeed(() => {
const line = terminal.buffer.lines.get(terminal.buffer.ybase + terminal.buffer.y - 1);
const lastChar = line.get(terminal.cols - 1);
if (lastChar[CHAR_DATA_CODE_INDEX] !== NULL_CELL_CODE && lastChar[CHAR_DATA_CODE_INDEX] !== WHITESPACE_CELL_CODE) {
const nextLine = terminal.buffer.lines.get(terminal.buffer.ybase + terminal.buffer.y);
nextLine.isWrapped = true;
}
});
}