Method shouldColumnSelect

src/server/web/public/terminal.js:2137–2139

(e3)

            t3 && (this._activeSelectionMode = 2, this._selectLineAt(t3[1]));
          }
          shouldColumnSelect(e3) {
            return e3.altKey && !(d.isMac && this._optionsService.rawOptions.macOptionClickForcesSelection);
          }
          _handleMouseMove(e3) {
            if (e3.stopImmediatePropagation(), !this._model.selectionStart) return;
            const t3 = this._model.selectionEnd ? [this._model.selectionEnd[0], this._model.selectionEnd[1]] : null;