Hi David, On Wed, May 2, 2012 at 10:24 PM, David Rawson Couzelis <drcouzelis@xxxxxxxxx > wrote: > I'm developing an application for Haiku. I'd like to add a list with > columns and sortable column headers. (like in a Tracker window) > > Does a widget like that already exist in the Haiku API? > Yes, it is called a BColumnListView and can be found in src/kits/interface/ColumnListView.cpp I recently worked with one in the GLInfo app. You can look in src/tests/kits/opengl/glinfo/CapabilitiesView.cpp for an example of one being used. You can see the app in action by loading up /boot/system/apps/GLInfo on a recent nightly. I took of a screenshot of the app when I worked on it, it looks like this: http://26.media.tumblr.com/tumblr_m2luz8Tuqu1r0f0hfo1_500.png Does that look like something close to what you are looking for? A warning though, the class is private so could (and most likely will) change before R1. John Scipione