Ah OK, so this is built using Gtk.jl?
> On 15 Dec 2015, at 11:50 AM, Tim Holy <tim.h...@gmail.com> wrote: > > Check out the code in Immerse for lasso selection. > > --Tim > > On Monday, December 14, 2015 04:39:47 PM Sheehan Olver wrote: >> Is there any GUI package that would support "drawing" with a Mouse? I.e., >> I want to recognize mouse down, track the cursor until mouse up, and draw >> the pixels to trace the path of the cursor. >> >> If not, on a Mac, would Cocoa+Swift+Julia or Cocoa+Objective-C+Julia be the >> easiest option? So write the GUI code natively, which talks to a Julia >> back-end. (I'm not too fussed that this would make it Mac-only.) >