GNU bug report logs - #48307
Feature request: provide default keybindings to change the font size in all windows

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Package: emacs;

Reported by: Clément Pit-Claudel <cpitclaudel <at> gmail.com>

Date: Sun, 9 May 2021 07:10:02 UTC

Severity: wishlist

Fixed in version 29.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Gregory Heytings <gregory <at> heytings.org>
To: Clément Pit-Claudel <cpitclaudel <at> gmail.com>
Cc: 48307 <at> debbugs.gnu.org
Subject: bug#48307: Feature request: provide default keybindings to change the font size in all windows
Date: Sun, 09 May 2021 20:16:16 +0000

>
> Not all the implementations are good, and it would be very nice if such 
> a feature were available out of the box.
>

Would the following do what you want?

(defun global-text-scale-adjust-do (increment)
  (set-face-attribute 'default nil :height
		      (+ (face-attribute 'default :height) increment))
  (message "Use + and - for further adjustment")
  (set-transient-map
   (let ((map (make-sparse-keymap)))
     (define-key map (kbd "+") 'global-text-scale-adjust-increase)
     (define-key map (kbd "-") 'global-text-scale-adjust-decrease)
     map)))
(defun global-text-scale-adjust-increase ()
  (interactive)
  (global-text-scale-adjust-do +5))
(defun global-text-scale-adjust-decrease ()
  (interactive)
  (global-text-scale-adjust-do -5))
(global-set-key (kbd "C-x M-+") 'global-text-scale-adjust-increase)
(global-set-key (kbd "C-x M--") 'global-text-scale-adjust-decrease)
This bug report was last modified 2 years and 327 days ago.

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