_isAltBuffer -> _hasScrollback

2017-08-16 08:45:30 -07:00
parent 9dd1083918
commit 7b0d0e810c
3 changed files with 14 additions and 12 deletions
@@ -21,9 +21,12 @@ export class BufferSet extends EventEmitter implements IBufferSet {
   */
  constructor(private _terminal: ITerminal) {
    super();
-    this._normal = new Buffer(this._terminal, false);
+    this._normal = new Buffer(this._terminal, true);
    this._normal.fillViewportRows();
-    this._alt = new Buffer(this._terminal, true);
+
+    // The alt buffer should never have scrollback.
+    // See http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-The-Alternate-Screen-Buffer
+    this._alt = new Buffer(this._terminal, false);
    this._activeBuffer = this._normal;
  }