blob: 7cff094b2cd818b6639390abb4dc3f7bbd0f279a (
plain)
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
|
/**
* Copyright (c) 2019 The xterm.js authors. All rights reserved.
* @license MIT
*/
import { CHAR_DATA_CODE_INDEX, NULL_CELL_CODE, WHITESPACE_CELL_CODE } from 'common/buffer/Constants';
import { IBufferService } from 'common/services/Services';
export function updateWindowsModeWrappedState(bufferService: IBufferService): void {
// 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.
const line = bufferService.buffer.lines.get(bufferService.buffer.ybase + bufferService.buffer.y - 1);
const lastChar = line?.get(bufferService.cols - 1);
const nextLine = bufferService.buffer.lines.get(bufferService.buffer.ybase + bufferService.buffer.y);
if (nextLine && lastChar) {
nextLine.isWrapped = (lastChar[CHAR_DATA_CODE_INDEX] !== NULL_CELL_CODE && lastChar[CHAR_DATA_CODE_INDEX] !== WHITESPACE_CELL_CODE);
}
}
|
