ltk-user November 2015

ltk-user@common-lisp.net

2 participants
2 discussions

How to use validatecommand?
by Frank 17 Nov '15

17 Nov '15

Hello, I'm trying to use the validatecommand of entry. The following code throws an error. How do I use it correctly? Thanks, Frank (defun foo () (with-ltk () (let ((e (make-instance 'entry :text "hello world!" :validate "focusin" :validatecommand (lambda () (format t "validating..."))))) (pack e)))) (foo) #| invalid command name "1" invalid command name "1" while executing "1" (in -validatecommand validation command executed by .wc) |#

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ltk how to expand widgets with grid?
by Frank 15 Nov '15

15 Nov '15

Hello, I'm toying around with ltk and trying a simple example. I want the entry widget to expand horizontally when you resize the window. Somehow I seem not to get it. (defun test () (with-ltk () (let* ((f (make-instance 'frame :padding 10)) (e (make-instance 'entry :master f :width 20))) (grid f 0 0 :sticky "nsew") (grid-columnconfigure f 0 "weight" 1) (grid e 0 0 :sticky "nsew")))) (test)

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ltk-user November 2015