How to find out current font used in my Emacs?

Question

How to find out current font used in my Emacs?

Solution 1

In my version of Emacs, I can get the information by entering M-x describe-font.

Solution 2

Different fonts can be used for different characters and different parts of the buffer. For a given character, you can find out which font was used by moving point to that character than then doing C-u C-x = which will give you all kinds of information about that position in the buffer, including which font was used for it.

Solution 3

You can just evaluate

(face-attribute 'default :font)

To evaluate a sexp, do M-:, type/paste the above sexp in there and hit enter.

Solution 4

Place cursor on text which you want to customize and run M-x describe-face.

It will give you information how this font was set, i.e. markdown-pre-face. You can then see that it inhertis from markdown-code-face which inherits from fixed-pitch.

And this is how you can set it:

(set-face-attribute 'default nil
                    :family "Source Code Pro"
                    :height 130
                    :weight 'normal
                    :width 'normal)
(copy-face 'default 'fixed-pitch)

Restart Emacs after setting it.

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Comments

[qazwsx]

When doing that, it prompts Font name (default current choice for ASCII chars): What does that mean? What should I do there?

[qazwsx]

This is an answer to the second question, but not the first one. After hitting Enter, is the displayed info about the font used for displaying ASCII characters ONLY? If so, how to find out the fonts used for displaying non-ASCII ones?

[choroba]

@MenelaosPerdikeas: Are you running emacs in a text terminal?

[qazwsx]

What command is "C-u C-x =" a shortcut to?

[Stefan]

Well, C-x = is bound to what-cursor-position, but when called with a C-u prefix, it mostly delegates the work to describe-char.

[qazwsx]

So without using any keyboard shortcut, how to do the same thing?

[Stefan]

If you limit yourself to the M-x shortcut, it would be M-x describe-char RET.

[qazwsx]

So why is C-x =/what-cursor-position not used?

[Stefan]

You can use that as well, but then you need to pass the C-u prefix: C-u M-x what-cursor-position RET, otherwise you'll get just very brief data in the echo area, and this doesn't include any font information.

[qazwsx]

What confuses me is that none of your suggestions include both what-cursor-position and describe-font.

[NikoNyrh]

Emacs 25.1 on Windows says Debugger entered--Lisp error: (void-variable describe-font), this worked on Linux though.