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| From: | martin rudalics |
| Subject: | Re: 23.0.50; Cannot run calculator on TTY |
| Date: | Tue, 09 Oct 2007 19:07:17 +0200 |
| User-agent: | Mozilla Thunderbird 1.0 (Windows/20041206) |
I finally isolated the cause of this problem.
Fine.
In short, if a buffer has a header-line set i.e. non-nil value
for header-line-format,
then launching calculator there boms with the error shown
earlier.
Specifically, compare the following two forms:
;;; no error:
(let ((header-line-format nil)
(window-min-height 2))
(split-window-vertically -2))
;;; Errors:
(let ((header-line-format "Foo")
(window-min-height 2))
(split-window-vertically -2))
Basically when header-line-format is set, the smallest window
you can make needs 3 lines.
When you're splitting windows, yes.
The fix might be to set header-line-format to nil in the top-level let form in calculator.
Alternatively we could do something like
(select-window
(split-window-vertically
;; If the modeline might interfere with the calculator buffer,
;; use 3 lines instead.
(- (if (and (fboundp 'face-attr-construct)
(let*
...
(plist-get (face-attr-construct 'modeline) :overline)))
-3 -2)
(if header-line-format 1 0))))
in calculator. The problem is that `calculator' should do all those
fancy calculations it does for the mode-line for the header-line too.
What do you prefer? Is a header-line of any use for calculator?
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