GNU bug report logs - #5615
23.1.92; [PATCH] term.el: Calculation of window height is bad

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: IRIE Shinsuke <irieshinsuke <at> yahoo.co.jp>
Cc: 5615 <at> debbugs.gnu.org
Subject: bug#5615: 23.1.92; [PATCH] term.el: Calculation of window height is bad (new patch)
Date: Sun, 28 Feb 2016 17:06:57 +1100

IRIE Shinsuke <irieshinsuke <at> yahoo.co.jp> writes:

> Sorry, the patch I sent with previous mail is bad, because the previous
> patch was made without considering `line-spacing' specified by a
> floating point number or frame-parameter.
>
> So I wrote the new patch. Please check it.

[...]

Is this still a problem in the current Emacs?

> + (defun term-window-height ()
> +   (if (display-graphic-p)
> +       (let ((e (window-inside-pixel-edges))
> + 	    (s (or (with-current-buffer (window-buffer) line-spacing)
> + 		   (frame-parameter nil 'line-spacing)
> + 		   0)))
> + 	(if (floatp s)
> + 	    (setq s (truncate (* (frame-char-height) s))))
> + 	(/ (+ (- (nth 3 e) (cadr e)) s)
> + 	   (+ (frame-char-height) s)))
> +     (window-text-height)))
>   
>   (put 'term-mode 'mode-class 'special)

[...]

>   (defun term-check-size (process)
> !   (when (or (/= term-height (1- (window-height)))
>   	    (/= term-width (term-window-width)))
> !     (term-reset-size (1- (window-height)) (term-window-width))
>       (set-process-window-size process term-height term-width)))
>   
>   (defun term-send-raw-string (chars)
> --- 1193,1201 ----
>       found))
>   
>   (defun term-check-size (process)
> !   (when (or (/= term-height (term-window-height))
>   	    (/= term-width (term-window-width)))
> !     (term-reset-size (term-window-height) (term-window-width))
>       (set-process-window-size process term-height term-width)))
>   
>   (defun term-send-raw-string (chars)

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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