Method onMouseMove

deps/v8/tools/profview/profview.js:883–889

(e)

  }

  onMouseMove(e) {
    if (this.selecting) {
      this.selectionEnd =
          e.clientX - this.canvas.getBoundingClientRect().left;
      this.drawSelection();
    }
  }

  onMouseUp(e) {
    if (this.selectionStart !== null) {