From: Michael Heerdegen <michael_heerdegen@web.de>
To: help-gnu-emacs@gnu.org
Subject: Re: What function does a button click call?
Date: Sun, 26 Oct 2014 20:19:26 +0100 [thread overview]
Message-ID: <87lho2oczl.fsf@web.de> (raw)
In-Reply-To: 87r3xuoetu.fsf@web.de
Michael Heerdegen <michael_heerdegen@web.de> writes:
> Try M-x debug-on-entry widget-button-click RET to find out what
> happens when pressing the button.
BTW, a good strategy to find out what happens after hitting some key is
to use C-c k to see which command will be invoked, and then to M-x
debug-on-entry this command. I do that so often that I wrote an own
command doing that, and bound it to a simple key:
(defun my-debug-on-next-key ()
"Enter the debugger for the next command."
(interactive)
(let* ((keys (read-key-sequence "Debugging next key sequence..."))
(cmd (key-binding keys)))
(debug-on-entry cmd)
(unwind-protect
(call-interactively cmd keys)
(cancel-debug-on-entry cmd))))
Regards,
Michael.
prev parent reply other threads:[~2014-10-26 19:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-23 17:43 What function does a button click call? Raffaele Ricciardi
2014-10-26 18:39 ` Michael Heerdegen
2014-10-26 19:19 ` Michael Heerdegen [this message]
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