InvalidateCursorPositionHack.java

private void invalidateCursorPositionHack() {
    int oldStart = getSelectionStart();
    int oldEnd = getSelectionEnd();

    // The selection values need to actually change in order for the cursor to be redrawn. If the cursor already
    // is at position 0 this won't trigger a redraw. But that's fine because the size of our span can't influence
    // cursor position 0.
    setSelection(0);

    setSelection(oldStart, oldEnd);
}