Function: font-setting-change-default-font

font-setting-change-default-font is a byte-compiled function defined in dynamic-setting.el.gz.

Signature

(font-setting-change-default-font DISPLAY-OR-FRAME SET-FONT)

Documentation

Change font and/or font settings for frames on display DISPLAY-OR-FRAME.

If DISPLAY-OR-FRAME is a frame, the display is the one for that frame.

If SET-FONT is non-nil, change the font for frames. Otherwise re-apply the current form for the frame (i.e. hinting or somesuch changed).

Source Code

;; Defined in /usr/src/emacs/lisp/dynamic-setting.el.gz
(defun font-setting-change-default-font (display-or-frame set-font)
  "Change font and/or font settings for frames on display DISPLAY-OR-FRAME.
If DISPLAY-OR-FRAME is a frame, the display is the one for that frame.

If SET-FONT is non-nil, change the font for frames.  Otherwise re-apply
the current form for the frame (i.e. hinting or somesuch changed)."
  (let ((new-font (and (fboundp 'font-get-system-font)
		       (font-get-system-font)))
	(frame-list (frames-on-display-list display-or-frame)))
    (when (and new-font (display-graphic-p display-or-frame))
      (clear-font-cache)
      (if set-font
	  ;; Set the font on all current and future frames, as though
	  ;; the `default' face had been "set for this session":
	  (set-frame-font new-font nil frame-list)
	;; Just reconsider the existing fonts on all frames on each
	;; display, by clearing the font and face caches.  This will
	;; cause all fonts to be recreated.
        (dolist (frame frame-list)
          (reconsider-frame-fonts frame))))))