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emacs powerline

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Powerline + large font height with emacs 27.0.91 results in very large height of mode line

precise-simulation opened this issue · comments

commented

There must be some change in emacs 27 that breaks and significantly increases powerline mode lines height if the font height is set to a large value. (I am testing on emacs build 27.0.91 on a Windows 10 system.) Minimal init.el to reproduce below:

(custom-set-faces
 '(default ((t (:family "Arial"
                        :foundry "none"
                        :slant normal
                        :weight normal
                        :height 180
                        :width normal)))))

(add-to-list 'load-path "~/.emacs.d/elpa/powerline-2.4")
(require 'powerline)
;; (setq powerline-height (round (/ (frame-char-height) 3)))
(powerline-default-theme)

The current workaround I'm using is to set powerline to a third or frame-char-height, but doesn't seem link a good fix (the issue is not present in <=26, and frame-char-height does return the same wether on emacs 26 or 27).

Clipboard01

Edit: It seems to be some form of HiDpi scaling issue, as without scaling it is not present.

commented

I can reproduce this on Emacs 27.1 (GNU Emacs 27.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.22) of 2020-08-11). The problem does not occur if I remove powerline-hud from my powerline theme and does occur with a theme consisting only of powerline-hud.