Method _handleScroll

src/server/web/public/terminal.js:856–861

(e3)

            this._lastRecordedViewportHeight === this._renderService.dimensions.css.canvas.height && this._lastScrollTop === this._activeBuffer.ydisp * this._currentRowHeight && this._renderDimensions.device.cell.height === this._currentDeviceCellHeight || this._refresh(e3);
          }
          _handleScroll(e3) {
            if (this._lastScrollTop = this._viewportElement.scrollTop, !this._viewportElement.offsetParent) return;
            if (this._ignoreNextScrollEvent) return this._ignoreNextScrollEvent = false, void this._onRequestScrollLines.fire({ amount: 0, suppressScrollEvent: true });
            const t3 = Math.round(this._lastScrollTop / this._currentRowHeight) - this._bufferService.buffer.ydisp;
            this._onRequestScrollLines.fire({ amount: t3, suppressScrollEvent: true });
          }
          _smoothScroll() {
            if (this._isDisposed || -1 === this._smoothScrollState.origin || -1 === this._smoothScrollState.target) return;
            const e3 = this._smoothScrollPercent();