onmousedown - konva.js behavior when the mouse button is pressed -

i ask if konva.js may behave other graphics libraries raphael.js or paper.js when mouse pressed , leaves canvas or browser window, video illustrates difference in behavior default.

https://www.youtube.com/watch?v=debnjin_vdo

is there trick konva.js work same way?

(google translator)

it fixed in develop version. can last build here: https://raw.githubusercontent.com/konvajs/konva/master/konva.js