(pattern &optional face frame maximum width))
(define-obsolete-function-alias 'set-default-font 'set-frame-font "23.1")
-(defun set-frame-font (font-name &optional keep-size)
- "Set the font of the selected frame to FONT-NAME.
-When called interactively, prompt for the name of the font to use.
-To get the frame's current default font, use `frame-parameters'.
-
-The default behavior is to keep the numbers of lines and columns in
-the frame, thus may change its pixel size. If optional KEEP-SIZE is
-non-nil (interactively, prefix argument) the current frame size (in
-pixels) is kept by adjusting the numbers of the lines and columns."
+
+(defun set-frame-font (font-name &optional keep-size all-frames)
+ "Set the default font to FONT-NAME.
+When called interactively, prompt for the name of a font, and use
+that font on the selected frame.
+
+If KEEP-SIZE is nil, keep the number of frame lines and columns
+fixed. If KEEP-SIZE is non-nil (or with a prefix argument), try
+to keep the current frame size fixed (in pixels) by adjusting the
+number of lines and columns.
+
+If ALL-FRAMES is nil, apply the font to the selected frame only.
+If ALL-FRAMES is non-nil, apply the font to all frames; in
+addition, alter the user's Customization settings as though the
+font-related attributes of the `default' face had been \"set in
+this session\", so that the font is applied to future frames."
(interactive
(let* ((completion-ignore-case t)
(font (completing-read "Font name: "
(x-list-fonts "*" nil (selected-frame))
nil nil nil nil
(frame-parameter nil 'font))))
- (list font current-prefix-arg)))
- (let (fht fwd)
- (if keep-size
- (setq fht (* (frame-parameter nil 'height) (frame-char-height))
- fwd (* (frame-parameter nil 'width) (frame-char-width))))
- (modify-frame-parameters (selected-frame)
- (list (cons 'font font-name)))
- (if keep-size
- (modify-frame-parameters
- (selected-frame)
- (list (cons 'height (round fht (frame-char-height)))
- (cons 'width (round fwd (frame-char-width)))))))
- (run-hooks 'after-setting-font-hook 'after-setting-font-hooks))
+ (list font current-prefix-arg nil)))
+ (when (stringp font-name)
+ (let* ((this-frame (selected-frame))
+ (frames (if all-frames (frame-list) (list this-frame)))
+ height width)
+ (dolist (f frames)
+ (when (display-multi-font-p f)
+ (if keep-size
+ (setq height (* (frame-parameter f 'height)
+ (frame-char-height f))
+ width (* (frame-parameter f 'width)
+ (frame-char-width f))))
+ ;; When set-face-attribute is called for :font, Emacs
+ ;; guesses the best font according to other face attributes
+ ;; (:width, :weight, etc.) so reset them too (Bug#2476).
+ (set-face-attribute 'default f
+ :width 'normal :weight 'normal
+ :slant 'normal :font font-name)
+ (if keep-size
+ (modify-frame-parameters
+ f
+ (list (cons 'height (round height (frame-char-height f)))
+ (cons 'width (round width (frame-char-width f))))))))
+ (when all-frames
+ ;; Alter the user's Custom setting of the `default' face, but
+ ;; only for font-related attributes.
+ (let ((specs (cadr (assq 'user (get 'default 'theme-face))))
+ (attrs '(:family :foundry :slant :weight :height :width))
+ (new-specs nil))
+ (if (null specs) (setq specs '((t nil))))
+ (dolist (spec specs)
+ ;; Each SPEC has the form (DISPLAY ATTRIBUTE-PLIST)
+ (let ((display (nth 0 spec))
+ (plist (copy-tree (nth 1 spec))))
+ ;; Alter only DISPLAY conditions matching this frame.
+ (when (or (memq display '(t default))
+ (face-spec-set-match-display display this-frame))
+ (dolist (attr attrs)
+ (setq plist (plist-put plist attr
+ (face-attribute 'default attr)))))
+ (push (list display plist) new-specs)))
+ (setq new-specs (nreverse new-specs))
+ (put 'default 'customized-face new-specs)
+ (custom-push-theme 'theme-face 'default 'user 'set new-specs)
+ (put 'default 'face-modified nil))))
+ (run-hooks 'after-setting-font-hook 'after-setting-font-hooks)))
(defun set-frame-parameter (frame parameter value)
"Set frame parameter PARAMETER to VALUE on FRAME.
HCoop / bpt / emacs.git / blobdiff