Displays an editor buffer with an associates output stream.
capi
| :buffer-name | 
The name of a buffer onto an editor stream. | 
| :stream | 
The editor stream to be collected. | 
collector-pane-stream
The class collector-pane is a subclass of editor-pane which displays the output sent to a particular type of character stream called an editor stream, the contents of which are stored in an editor buffer.
A new instance collector-pane can be created to view an existing editor stream by passing the stream itself or by passing the buffer name of that stream.
To create a new stream, either specify buffer-name which does not match any existing buffer, or do not pass buffer-name in which case the CAPI will create a unique buffer name for you.
To access the stream, use the reader collector-pane-stream on the collector-pane.
Note that the editor buffer "Background Output" is a buffer onto the output stream *standard-output*.
Here is an example that creates two collector panes onto a new stream (that is created by the first collector pane).
(setq collector (capi:contain
                 (make-instance 'capi:collector-pane)))
(setq *test-stream* (capi:collector-pane-stream collector))
(capi:contain
  (make-instance 'capi:collector-pane
                 :stream *test-stream*))
(format *test-stream* "Hello World~%")
Finally, this example shows how to create a collector pane onto the "Background Output" stream.
(capi:contain (make-instance 'capi:collector-pane
               :buffer-name "Background Output"))
with-random-typeout
map-typeout
unmap-typeout
3.9.6 Stream panes
CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:32:42