8

I am using Org mode on Macintosh GNU Emacs version 24.5.1 in GUI mode and the headers are enlarged. I would like to disable this feature so they rendered in the default font size. I have tried this...

(with-eval-after-load "monokai-theme"
  (custom-theme-set-faces
   'monokai
   '(org-level-1 ((t (:weight semi-bold :height 1.0))))
   '(org-level-2 ((t (:weight semi-bold :height 1.0))))
   '(org-level-3 ((t (:weight semi-bold :height 1.0))))
   '(org-level-4 ((t (:weight semi-bold :height 1.0))))))

Though this clobbers the theme and the colors are no loner rendered. Should I accomplish it a different way?

  • Try experimenting with different themes. – Kaushal Modi May 27 '16 at 17:14
  • Very closely related: emacs.stackexchange.com/q/19286/115 Just find the face you need to tweak and tweak it. – Kaushal Modi May 27 '16 at 17:15
  • @KaushalModi I dug a little deeper and found you are right. The theme I am using, monokai-emacs, sets the face attribute :height of the org-levels to a larger size. Manually reseting them is the only way I have found. – lookyhooky Jun 1 '16 at 0:05
7

Org headings are controlled by the faces org-level-1, org-level-2 etc. You can get to them via M-x customize-face. Unselecting the height attribute should set them to the default font size.

  • Placing the point over the text for which you want to know the applied face(s) and then doing C-u C-x = would help. – Kaushal Modi May 27 '16 at 17:17
  • 1
    @KaushalModi yes, or more directly, M-x describe-face, which provides a link to the customize page. – Tyler May 27 '16 at 17:29
  • Tyler and @KaushalModi both of those commands helped me see the attributes applied to the font. This was my first attempt to modify Emacs faces, and those commands will be vital if I do any more work with it. – lookyhooky May 27 '16 at 18:29
11

Okay I found a solution that worked for me.

(defun my/org-mode-hook ()
  "Stop the org-level headers from increasing in height relative to the other text."
  (dolist (face '(org-level-1
                  org-level-2
                  org-level-3
                  org-level-4
                  org-level-5))
    (set-face-attribute face nil :weight 'semi-bold :height 1.0)))

(add-hook 'org-mode-hook 'my/org-mode-hook)

This preserved the other face-attributes and did not clobber the theme like my original attempt. Also as a bonus it is not dependent on a single theme.

2

If you happen to be using spacemacs, the theming layer supports overriding themes.

  1. Add theming to dotspacemacs-configuration-layers
  2. Add this to dotspacemacs/user-init substituing zenburn for the theme in question: (setq theming-modifications '((zenburn (org-level-1 :height 1.0) (org-level-2 :height 1.0) (org-level-3 :height 1.0) (org-level-4 :height 1.0) (org-level-5 :height 1.0))))
  • clean and working solution – Nisba Nov 8 '18 at 23:58

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