Method scrollBy

packages/config/src/window-manager.ts:3726–3765

(
    deltaX: number,
    options: {
      stopKinetic?: boolean;
      suppressSSDRebuild?: boolean;
      cancelRectAnimations?: boolean;
    } = {},
  )

    const nextIndex = currentIndex + direction;
    if (nextIndex < 0 || nextIndex >= tileable.length) {
      return false;
    }

    this.stopKineticScroll();
    this.activeWindowId = focused.id;
    this.markTileReordering(focused);
    this.moveTileWindowToIndex(focused, nextIndex);
    this.scrollToWindow(focused);
    this.applyLayout();
    focused.focus();
    return true;
  }

  private markTileReordering(window: WaylandWindow): void {
    const token = ++this.tileReorderToken;
    this.tileReorderTokenByWindowId.set(window.id, token);
    window.state[WINDOW_STATE_TILE_REORDERING].set(true);
    setTimeout(() => {
      if (this.tileReorderTokenByWindowId.get(window.id) !== token) {
        return;
      }
      this.tileReorderTokenByWindowId.delete(window.id);
      window.state[WINDOW_STATE_TILE_REORDERING].set(false);
    }, TILE_ANIMATION_DURATION);
  }

  public takeWindowForMove(
    window: WaylandWindow,
  ): { window: WaylandWindow; snapshot: WorkspaceWindowSnapshot } | null {
    if (!this.hasWindow(window)) {
      return null;
    }

    const snapshot = this.snapshotWindow(window);
    this.removeWindow(window);
    return { window, snapshot };
  }

  public addMovedWindow(
    window: WaylandWindow,
    snapshot: WorkspaceWindowSnapshot,
  ): boolean {
    this.restoredWindowStateById.set(window.id, snapshot);