Questions tagged [custom]
Use for questions about the built-in GUI customization features
24
questions
0
votes
0
answers
23
views
How to very slightly edit the welcome splash to have a list of files to open in new tabs? [duplicate]
New to emacs, and I want to keep the welcome splash, but with links to a few files to open in a new tab when I click on them. These would include a file for notes I'm making when going through emacs ...
0
votes
1
answer
51
views
Emacs 'package-selected-packages' is not get saved in a customization file
I have noticed recently, the Emacs always shows a list of "unneeded" packages, which could be "auto-removed". The packages it suggests as not needed are those that were installed ...
- 135
0
votes
1
answer
726
views
`defface` and `custom-set-faces`
Noob here. In my .emacs.d/custom.el I have stuff like:
(defface delim-mismatch `((t (:foreground "red"))))
(custom-set-faces
'(show-paren-mismatch delim-mismatch)
...
)
But it throws ...
- 103
0
votes
0
answers
22
views
custom-set-faces common color variables [duplicate]
I want to fine-tune my syntax highlighting, and have created a separate colors.el file that gets loaded around the beginning of init.el. I often use the same color for multiple entries, and it gets ...
0
votes
1
answer
396
views
How to custom-set-faces with one of the named faces?
I can do this:
(custom-set-faces
'(j-verb-face ((t (:foreground "Red")))))
But what I want is to set the color to one that is theme-dependent.
I tried the following, which causes a "...
- 627
1
vote
1
answer
107
views
How to check if a customize group exists in Emacs Lisp code?
How can I programmatically check if a customize group exists?
Interactively I can use M-x customize-group and use completion to see if a specific group exists or not. But that's not what I need.
If I ...
- 796
1
vote
1
answer
29
views
Replace a filename in init.el using sed from bash script
So I have different customized themes. Different customized themes are written to a separate custom .el files and get called in the main init.el file. For example:
(setq custom-file "~/.emacs.d/...
- 295
3
votes
2
answers
81
views
A custom type specification like “repeat,” but when there’s only one item, it’s inline
So, I’m trying to add Customize support to packages that use a lot of plists, and where the value of pretty much any option can be either a single item or a list. I could have every single plist ...
- 380
1
vote
0
answers
51
views
Massively long text boxes and yasnippet highlighting
Why are my text boxes and yasnippet field highlights so massively long?
Is there a way to change this behavior?
If so, what are the necessary steps that need to be taken to solve this issue?
The ...
- 580
1
vote
1
answer
95
views
macro takes multiple pairs of arguments
I found this snippet of code from oremacs
(defmacro csetq (variable value)
`(funcall (or (get ',variable 'custom-set) 'set-default) ',variable ,value))
I would like to expand this macro so that is ...
- 859
1
vote
1
answer
381
views
What happens when there is more than one custom-set-variables?
a quote from my init.el:
;; custom-set-variables was added by Custom.
...
;; Your init file should contain only one such instance.
;; If there is more than one, they won't work right.
What exactly ...
- 199
1
vote
1
answer
94
views
Save filesets-data in file which is not the custom-file or other emacs config file
Background
I store Emacs my configuration in a .emacs and separate custom file. I would like to store both in a public repository like Github. I also use filesets which saves filenames & file ...
- 175
7
votes
1
answer
1k
views
Add to a list that defcustom has not yet defined
We can avoid adding duplicate elements to a list variable by using add-to-list.
When setting a customizable variable (i.e. one that is or will be defined by defcustom) from our init file, we're ...
- 1,948
1
vote
1
answer
507
views
Where is the information passed to `custom-set-variables` and `custom-set-faces` stored?
The post's title pretty much says it all.
In particular, I want to find out what happens if I invoke custom-set-variables twice, with completely different arguments each time. E.g.
(custom-set-...
- 3,247
0
votes
1
answer
343
views
Show name of variable in Custom-mode
I sometimes explore customisable variables in Custom-mode to get a structured overview, before manually setting them with setq-default in my .emacs. Can I make Custom-mode show the Lisp names of the ...
- 170
1
vote
2
answers
261
views
How to make a Customize setting depend on another? or make a `setq` depend over a Customize setting?
I heard it’s better to use Customize to define variables/settings instead of just some setq inside .emacs.d… because it autoloads when loading packages, because it’s more consistent, more checked/...
- 245
3
votes
1
answer
2k
views
how to use custom-set-variables safely?
The help for custom-set-variables says:
The arguments should each be a list of the form:
(SYMBOL EXP [NOW [REQUEST [COMMENT]]])
This stores EXP (without evaluating it) as the saved value for ...
- 245
2
votes
1
answer
4k
views
What is causing this error: "Cannot open load file, no such file or directory, session"?
From time to time my Emacs doesn't load my init file at startup and gives me the following error message:
File error: Cannot open load file, no such file or directory, session
To ensure normal ...
- 3,471
1
vote
1
answer
317
views
How to programmatically extract configurations from a defcustom variable?
How do I programmatically extract key-value pairs from "Babel Languages" list in defcustom org-babel-load-languages section of org.el?
I want to read the "Babel Languages" configuration into an org-...
- 4,644
7
votes
2
answers
1k
views
Stop org-mode from defining agenda files in custom
I have the following line in my .emacs:
(setq org-agenda-files (directory-files "~/org-files" 'absolute "[^#]*.org$" 'no-sort))
I would like for org-agenda-files to be defined in this way on startup....
- 6,038
1
vote
1
answer
160
views
Automatically prompt for comment character and apply it in older versions of emacs
When I try to comment a block of code using comment-region in a file type emacs doesn't know the proper comment type for, then it prompts me No comment syntax is defined. Use: so I can specify the ...
- 135
7
votes
1
answer
2k
views
Where is the default color / custom theme defined?
When you start Emacs with emacs -Q, there appears to be some sort of default color scheme. Where are these colors defined? The default theme does not show up with M-x customize, nor can I find it in ...
- 1,218
31
votes
3
answers
5k
views
Reset custom variable to default value programmatically
Q: Using Elisp, how can I reset a variable to its default value without knowing what that value is?
I tried to figure out how to do this by bringing up the Customize interface for a variable I set to ...
- 14.7k
90
votes
5
answers
21k
views
Advantages of setting variables with setq instead of custom.el?
I see a lot of people (extension authors and others) give configuration examples with setq:
(setq foo 'bar)
These parameters are often defined with defcustom, making them available for customization ...
- 2,675