From: Kevin Rodgers <ihs_4664@yahoo.com>
Subject: completing-read strips text properties from completion candidate strings
Date: Mon, 14 Nov 2005 09:37:57 -0700 [thread overview]
Message-ID: <dlaeh6$sfr$1@sea.gmane.org> (raw)
The following fragment tries to associate a tooltip with each
completion, but it doesn't work (Emacs 21.4). Using M-:
(text-properties-at (point)) in the *Completions* buffer shows
that the help-echo property is not present.
(let* ((major-modes
(apropos-internal "-mode\\'"
(lambda (mode)
(and (commandp mode)
(string-match "\\`Major mode\\>"
(documentation mode))))))
(completions
(mapcar (lambda (mode)
(let* ((doc-string (documentation mode))
(tooltip (substring doc-string 0
(string-match "\n"
doc-string)))
(mode-name (copy-sequence (symbol-name mode))))
(put-text-property 0 (1- (length mode-name)) 'help-echo
mode-name)
(list mode-name)))
major-modes)))
(completing-read "Major mode (w/docstring): " completions))
--
Kevin Rodgers
reply other threads:[~2005-11-14 16:37 UTC|newest]
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