Questions tagged [hooks]
Hooks are an important mechanism for customizing Emacs. A hook is a Lisp variable which holds a list of functions, to be called on some well-defined occasion.
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Why does the execution of latex/hide-show-all with hooks not work?
I'm using AUCTeX, CDlatex and latex-extra to write LaTeX-files. When I access a file I'd want the contents of its sections to be hidden by default using the latex-extra1 command latex/hide-show-all, ...
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1
answer
30
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Return a list of functions with a given property or creating a group of functions
I am a copy editor and I make an intensive use of custom "predicates" when I perform replacements in LaTeX code.
I use, among others, this technique:
;; predicate
(defun omit-comments (beg ...
- 1,235
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1
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25
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Cannot get rid of isearch overlays
The following code
(defun nordlow/isearch-previous-symbol-at-point ()
(interactive)
(cond ((eq last-command 'nordlow/isearch-previous-symbol-at-point)
(isearch-repeat-backward)) ;avoid ...
- 497
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47
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how to turn off python formatting in emacs
I have a python program that I edit in emacs. However, sometimes when I save it, it gets re-indented, and in doing so, messes up the indentation of sections, where I have some code and then some ...
1
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1
answer
80
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Add parsing of latex-style .el file to LaTeX-hook using AUCTeX
I did some online research (e.g. here) but couldn't figure out how to solve the following problem so far (of course, I might have overlooked something since the whole emacs community is new to me).
...
- 195
1
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1
answer
37
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Use 'mapcar' to build a hooks list; "wrong-type-argument listp lambda"
How can I write a mapping (e.g. a mapcar expression) to build the list for a use-package :hook clause?
I'm attempting to build the list in this :hook expression:
(use-package eglot
:hook (
(...
- 639
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0
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15
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Parse elfeed's entry cl-struct
I'm trying to display notifications using elfeed's hook and alert. This works:
(add-hook 'elfeed-new-entry-hook
(lambda (entry)
(alert (prin1-to-string (elfeed-entry-content ...
- 228
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1
answer
36
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Calling git commit from shell-command results in incorrect log message
I implemented the following to git commit after a file is saved. It works, I think, but the commit message, rather than being empty, is the literal value ''. This is the case whether or not I have any ...
- 311
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34
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Getting error in hook: Symbol’s function definition is void: \(setf\ ekg-note-tags\)
I'm writing a pre-save hook for ekg (emacs knowledge graph), and getting an error I don't know how to figure out.
The error is triples--with-transaction: Symbol’s function definition is void: \(setf\ ...
- 496
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1
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29
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Turn off show-trailing-whitespace in Echo Area
When I run
(setq-default show-trailing-whitespace t)
on startup, the Echo Area is affected. I can usually turn this off with hooks, e.g.
(add-hook 'minibuffer-setup-hook
(lambda () (setq show-...
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1
answer
29
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Third-party function overrides my customized variable and my mode hook
In the spacemace python layer, the following function overrides my customizations for the variable company-minimum-prefix-length
python layer
(defun python/post-init-company ()
;; backend specific
...
- 1
0
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1
answer
23
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set the correct major mode for script files based on interpreter
I want to make a function that will set the correct major mode based on the interpreter used for a script.
I don't want to include extensions in my scripts (because that can be annoying if making cli ...
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0
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28
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How to turn on `read-only-mode` when running a command in `comint` buffers and turn off it when the command is finished?
I'd like to prevent all user inputs when a command is running in comint-like buffers (created by shell, run-python etc.) by enabling read-only-mode when I hit enter to run the command and disabling it ...
- 488
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1
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31
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Tide mode: how do I get it to stop running tide-format-before-save?
I'm at my utter wit's end with this hell-plugin lmao. I've tried (remove-hook 'before-save-hook 'tide-format-before-save t), and it doesn't work. How do I remove tide-format-before-save from the ...
- 103
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24
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Emacs is generating HTML file when opening markdown files
I don't know what is happening and how to debug this.
I moved my Emacs config from Fedora to Xubuntu 22.04 (that use older version of GNU Emacs)
and now each time I open markdown file (only once per ...
- 711
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1
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164
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How to fix lsp-mode for Elisp?
I have this set in my init file:
;; build dependency tree for function
(use-package lsp-mode
:ensure t
:hook ((clojure-mode . lsp)
(clojurescript-mode . lsp)
(prog-mode . ...
- 1,409
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1
answer
26
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How to proper install and configure js2-mode via use-package declaration?
I am trying to install this package called js2-mode. This is part of my effort to follow this tutorial.
Package documentation and tutorial are using classic installation via package-install as follows:...
- 1,409
0
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0
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36
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Highlighting entries with specific keywords in Elfeed
To avoid missing on important news, I am trying to highlight Elfeed entries containing specific words in their titles:
(add-hook 'elfeed-new-entry-hook
(elfeed-make-tagger :entry-title '("...
- 67
1
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2
answers
59
views
How to enable `fill-paragraph` command to be executed every time ChatGPT replies via gptel package?
I have been using this cool Emacs package called gptel.
However, it is annoying for me how lengthy the ChatGPT answers look on the screen.
When I want to improve readability, I keep executing the fill-...
- 1,409
2
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1
answer
56
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Automatically add a newline when dragging text from Firefox into Emacs
One of my workflows is drag lines from Firefox to Emacs (X).
What I'm trying to accomplish is putting a new line after dragging every line.
I've tried zillions of combination but I can't find the ...
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21
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Polymode in org-edit-special
I use (add-hook 'python-mode-hook 'poly-python-sql-mode) where poly-python-sql-mode is a special polymode that correctly highlights SQL queries that are used within strings in a Python file.
When this ...
- 121
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36
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frame hook load theme causes frame to crash after creation
I have attempted to change my emacs theme. I am using the emacs daemon and I have attempted to create a hook to change the theme on frame creation. However when this hook is active the frame crashes ...
- 49
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1
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37
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How to set display margins for markdown-mode buffers?
Is there a way to set the display margins for markdown-mode buffers? I've read https://www.gnu.org/software/emacs/manual/html_node/elisp/Display-Margins.html and various suggested solutions but ...
- 101
1
vote
1
answer
42
views
Calling org-indent-mode from org-mode hook causes infinite recursion?
I have the following code in my emacs init files, and it is causing an infinite recursion, which eventually bottoms out and throws an error.
(defun robs-org-mode-hook ()
(org-indent-mode)
...)
(...
- 587
0
votes
1
answer
41
views
Using major mode dependent functions
I have a function (tika-outlhg-regexp) that sets custom outline headings based on major mode.
I activate this with major-mode hooks. Is there some other way?
(defun tika-addhook-hgptn ()
(add-hook '...
- 1
0
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1
answer
127
views
Using hooks in minor modes
I have introduced the following hook function inside a minor mode. The intention is to activate the minor mode for a number of major modes. I would also need to activate outline-minor-mode once tika-...
- 1
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26
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Move point from a hook in EMMS playlist doesn't work
I want to move point with the current played song in an EMMS playlist. I tried it with this code:
(defun tvd-emms-follow-playing-song()
(interactive)
(message (format "%s" emms-playlist-...
- 45
2
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0
answers
58
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Disable fill-column-indicator Only in Minibuffer
My code
(custom-set-variables
'(global-display-fill-column-indicator-mode t)
'(minibuffer-mode-hook `(,@minibuffer-mode-hook
,(lambda ()
(...
- 4,638
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1
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31
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Changing the definitions of outline-minor-mode headings
I would like to change the pattern for heading in outline-minor-mode. Have came up with the following implementation for emacs-lisp-mode that uses a minor-mode called taxocask-minor-mode.
(defvar ...
- 1
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0
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44
views
How to wait for buffers to load?
I'm trying to create a hook for ein package that will clean up split windows and focus on the rendered buffer. The package provides one hook (called ein:ipynb-mode-hook), but running functions below ...
- 228
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1
answer
38
views
Hook resulting in a Wrong type argument error?
I am trying to do two things for Elfeed Summary:
Automatically update the feeds when starting Elfeed Summary.
Automatically hide the feeds without unread articles when starting Elfeed Summary.
...
- 67
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1
answer
67
views
How to get a minibuffer state indicator for Evil's `evil-want-minibuffer`?
For regular buffers, Evil has a state indicator in the mode line.
But when using Evil in the minibuffer (by setting evil-want-minibuffer to t), there's no state indicator besides the cursor. Viper had ...
- 256
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1
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46
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How to update statistics cookies on file save?
For some reason, I can't get either of these to work. I'm trying to update the statistics cookies on TODO's automatically when the file saves.
(add-hook 'after-save-hook 'org-update-statistics-cookies)...
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0
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32
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Apply a hook only when in Evil's insert state
Is there a builtin mechanism that would allow activating a hook only when in the insert state in Evil. I want to add a hook to org-tab-first-hook but only run the hooked function in the insert state. ...
- 962
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1
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60
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How to never auto-save large files — or, how to run a function whenever any buffer starts — or, how to abort loading a minor mode in one of its hooks
I want to tell Emacs to never auto-save files bigger than ~1MB. I know how to turn off auto-save-mode when the file size is above a certain limit, but not how to make that function run automatically ...
- 820
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1
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116
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Change cursor blinking status upon state change of evil-mode
I'm using evil-mode.
My goal is to have a blinking cursor upon entering evil-insert-state, and to have a non-blinking cursor in evil-normal-state.
I tried the following but it doesn't work:
(add-...
0
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1
answer
42
views
Call different functions based on buffer mode
I annotate my reading with org-remark and pdf-annot. They work with EPUBs and PDFs respectively, and are not interchangeable, with inconvenient consequences.
What I would like to do is to bind a ...
- 775
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1
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298
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How can I turn off Company mode in only some major modes? [duplicate]
I use company when coding. I currently have it set to global. I would like to turn it off for a few major modes.
However, instead of turning it off globally, I only want to deactivate company for 2 or ...
- 283
4
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1
answer
69
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Isearch + Dired fast navigation
After seeing this post and one of its comments, I am trying to implement the following convenient search pattern in dired:
Press C-s to start isearch
Type the substring I am looking for
Possibly jump ...
- 129
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1
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98
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How can I save all buffers on auto-save except the ones have specifc mode?
I am using following full-auto-save () (https://www.emacswiki.org/emacs/AutoSave) to save all buffers on Auto-Save.
(defun full-auto-save ()
(interactive)
(save-excursion
(dolist (buf (buffer-...
- 1,300
1
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1
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78
views
How can I force require-final-newline nil?
I'm doing this from typescript-mode-hook:
(defun disable-final-newline ()
(setq-default mode-require-final-newline nil)
(setq-default require-final-newline nil)
(setq mode-require-final-newline ...
- 3,262
1
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1
answer
211
views
What is the difference between these two statements in my init file
I'm new to elisp- what is the difference between:
(add-hook 'js2-mode-hook
(lambda ()
(flyspell-prog-mode)
))
and
(add-hook 'js2-mode-hook 'flyspell-prog-mode)
?
- 193
1
vote
1
answer
52
views
How can I apply `bibtex-fill-entry` to the whole buffer?
When I run bibtex-fill-entry it formats the current entry block where the cursor is at. Note that bibtex-fill-entry (C-c C-q) Fill current BibTeX entry. So I have to traverse all the entries to align ...
- 1,300
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596
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Turn on minor mode rainbow-mode using use-package
I would like to turn on rainbow-mode in elisp and/or lisp modes when I am editing init.el using use-package. I've tried the following:
(use-package rainbow-mode
:demand t
:hook
((text-mode . ...
- 301
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1
answer
102
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Change minibuffer color when NOT in minibuffer AND minibuffer active
I frequently click on another application when I'm doing something in the minibuffer, and then I've forgotten I was in the minibuffer when I come back to emacs. I would like to highlight the ...
- 211
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0
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52
views
Can I somehow hook a variable? [duplicate]
So a function is called when the variable value is changed?
add-hook seems to only accept functions.
- 334
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0
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30
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Rainbow-delimiters with hooks
It seems that rainbow-delimiters does not work with hooks. For instance I have got
(add-to-list 'auto-mode-alist '("\\.sty\\'" . latex-mode))
(require 'rainbow-delimiters)
(add-hook 'tex-...
- 1
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1
answer
28
views
Setting hook without calling external function
I am changing the default value for fill-column, then hook it for prog-mode. Would be neat to have a way that I can have a single function to do this. Currently add-hook requires a call to an ...
- 1
0
votes
2
answers
85
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How to enable markdown-mode every time I invoke Emacs Anywhere?
I am using a cool software called Emacs
Anywhere.
Usually, I invoke this software to write on Stack Overflow and on
GitHub. Both websites use markdown.
Hence, almost every time I invoke Emacs Anywhere,...
- 1,409
0
votes
1
answer
105
views
highlight-changes-mode: clear displayed changes after saving
I currently use this mode like so :
(global-highlight-changes-mode t)
(setq highlight-changes-visibility-initial-state nil); initially hide
;; toggle visibility
(global-set-key (kbd "<f2> =&...
- 169