The ui.gadgets.panes vocabulary implements panes, which display formatted text.

pane

<pane> ( -- pane )

<pane-control> ( model quot -- pane )

Panes are written to by creating a special output stream:

pane-stream

<pane-stream> ( pane -- pane-stream )

In addition to the stream output words (Stream protocol), pane streams can have gadgets written to them:

write-gadget ( gadget stream -- )

print-gadget ( gadget stream -- )

gadget. ( gadget -- )

The gadget. word is useful for interactive debugging of gadgets in the listener.

There are a few combinators for working with panes:

with-pane ( pane quot -- )

make-pane ( quot -- gadget )