diff options
| -rw-r--r-- | util/ansi.js | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/util/ansi.js b/util/ansi.js index e7f7642..f30e6ff 100644 --- a/util/ansi.js +++ b/util/ansi.js @@ -123,6 +123,20 @@ const ansi = { return `${ESC}[6n` }, + enableAlternateScreen() { + // Enables alternate screen: + // "Xterm maintains two screen buffers. The normal screen buffer allows + // you to scroll back to view saved lines of output up to the maximum set + // by the saveLines resource. The alternate screen buffer is exactly as + // large as the display, contains no additional saved lines." + + return `${ESC}[?1049h` + }, + + disableAlternateScreen() { + return `${ESC}[?1049l` + }, + measureColumns(text) { // Returns the number of columns the given text takes. |