= Participants/Roles =

== Item View ==

An item view is an extended version of a scroll area. It uses one predefined scrollable widget, called '''viewport'''. It provides an interface to perform the following operations:

 * header visibility control
 * row- and column-wise resizing, item alignment, item sorting
 * selection handling (mode, color, behavior)

Item views provide signals to connect other widgets to it:

 * activated ... left click or return pressed
 * clicked ... left click
 * doubleClicked ... double left click
 * returnPressed
 * ...

== Item Viewport ==

The item viewport performs the mapping from model items onto flat cell indices for layouting reasons.

== Item Delegate ==