I am creating a little hobby project with Racket GUI classes. For that I got
the following code, which creates a frame%:
#lang racket/gui
(require table-panel
"vocabulary.rkt")
(provide build-gui)
(define (clear-children an-area-container)
(for ([child (send an-area-container get-ch
It does look like a problem with `table-panel%`, which maybe doesn't
work when an instance is created in parent a window that is already
shown.
You may be able to work around the problem by adding
[style '(deleted)]
to `(new table-panel% ...)`, and then
(send tab-panel add-child table-pane
Yep, that workaround seems to work, thank you.
I did not know about issues when deleting and adding children in an already
shown widget/window. It's good to be aware, that such can make a difference.
I noticed now, that although the GUI is still very fast, still being very
small, it flickers a
The following is the example taken from the table-panel docs. (
https://docs.racket-lang.org/table-panel/index.html) It displays a frame
with four sets of numeric keypads laid out in quadrants. If you expand the
window, the expectation, based on the docs, is that spacing between buttons
will rem
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