39 lines
1.4 KiB
TypeScript
39 lines
1.4 KiB
TypeScript
/**
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* Copyright (c) 2017 The xterm.js authors. All rights reserved.
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* @license MIT
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*/
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export function winptyCompatInit(terminal): void {
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// Don't do anything when the platform is not Windows
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const isWindows = ['Windows', 'Win16', 'Win32', 'WinCE'].indexOf(navigator.platform) >= 0;
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if (!isWindows) {
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return;
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}
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// Winpty does not support wraparound mode which means that lines will never
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// be marked as wrapped. This causes issues for things like copying a line
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// retaining the wrapped new line characters or if consumers are listening
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// in on the data stream.
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//
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// The workaround for this is to listen to every incoming line feed and mark
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// the line as wrapped if the last character in the previous line is not a
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// space. This is certainly not without its problems, but generally on
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// Windows when text reaches the end of the terminal it's likely going to be
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// wrapped.
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terminal.on('linefeed', () => {
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const line = terminal.buffer.lines.get(terminal.buffer.ybase + terminal.buffer.y - 1);
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const lastChar = line[terminal.cols - 1];
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if (lastChar[3] !== 32 /* ' ' */) {
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const nextLine = terminal.buffer.lines.get(terminal.buffer.ybase + terminal.buffer.y);
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(<any>nextLine).isWrapped = true;
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}
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});
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}
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export function apply(terminalConstructor) {
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terminalConstructor.prototype.winptyCompatInit = function(): void {
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winptyCompatInit(this);
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};
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}
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