Questions tagged [major-mode]
The mode that determines the editing behavior of Emacs while that buffer is current. The mode line normally shows the name of the current major mode, in parentheses.
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before-save-hook not working with use-package and custom mode
I wrote a little derived mode for the kage shader language, it's derived from go-mode (syntax is the same). I also like to use gofmt, but it's just not loading the hook.
Here's the mode:
(define-...
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1
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Highlight syntax of function names and their arguments in custom mode
I'm trying to create a major mode that handles the following syntax:
function someName(value1, value2)
# some contents
end function
I'm using the following to highlight the keywords function,...
CommunityBot
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2
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How do I permanently configure a major mode?
I've been searching most of the day for an answer to this basic question, but I can't find an answer for the noise.
If you search for, say, "configuring indentation in emacs," there's lots ...
CommunityBot
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1
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Different outputs from minor-mode depending on major-mode
My minor-mode is inserting text in the current buffer. I want the default format of the text to be different depending on what major-mode the buffer is in, and to allow the user to override this ...
CommunityBot
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2
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What to do when a major mode overides keybindings set in doom emacs?
[Edit: I should specify that there are many keybindings in the major mode that overide the desired keybinding. They all start with a whereas I would like a to do something else. I already thought ...
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How to put 'viper-change-state-to-emacs function on some hook
I am using viper-mode, which is vi emulator and can be switched to the original emacs mode with viper-change-state-to-emacs, when I edit program files.
But, sometimes I want to create some special ...
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Whitespace in syntax table for comment delimiters in conflict with indentation and font lock
The special file format of my software uses angle brackets as a delimiter and # / # as comment markers (note the whitespace after the first # and before the last #). I try to make a major mode to ...
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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 ...
CommunityBot
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`tab-stop-list` being ignored
Tying to write a new mode, I am stuck at:
(define-derived-mode NEWS-mode
text-mode "NEWS"
"Major mode for NEWS file."
(setq tab-stop-list '(2 6 59 65))
(setq indent-tabs-...
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Update content of a buffer in side window when a custom mode is on [duplicate]
I have following code which is supposed to clear existing content in a buffer and write new one.
(defun display-file-dir (path)
(text-mode)
(if buffer-read-only
(read-only-mode))
(erase-...
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What is the advantage of major-mode-remap-alist?
I've had this in my init file about forever:
(defalias 'perl-mode 'cperl-mode) ;cperl is much nicer
Now I learned about major-mode-remap-alist in Emacs 29.1 which I had installed shortly after ...
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How do I stop Prolog mode from jumping to the Prolog REPL when consulting the buffer?
Suppose I am using Prolog mode with the Prolog REPL started as an inferior process using CtrlcEnter. Whenever I "consult" (i.e. evaluate) the Prolog mode buffer using CtrlcCtrlb ((prolog-...
CommunityBot
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Is there a major mode for dbt
I'm trying to use dbt in emacs, and I'm hoping that there is a mode for this that will combine the jinja and sql parts in an intelligent way...
I quick google search didn't find anything, so the ...
CommunityBot
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Viewing a single mail file in a maildir
Is there any major mode that allows one to properly view a single mail file in a maildir?
By "properly" here I mean similar to "big" email clients, like mu4e or gnus, so allowing (...
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Emacs Mode For Editing Guitar/Bass Tablature?
I have been looking for a while, and have not been able to find an Emacs major mode for editing Guitar/Bass tablature.
CommunityBot
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Whitespace mode settings on per major mode basis
When I open the Linux Kernel code, my default indentation conflicts with the desired formatting of the Kernel. I use Emacs Prelude, so I added the settings from this link to my c-mode-common-hook. I ...
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How to edit jsx (react) files in emacs?
I've use js2-mode but it don't indent html in javascript properly. I've found this repo https://github.com/jsx/jsx-mode.el but it's not for react, it's for some other jsx.
What do you use for editing ...
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1
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Good mode to edit CSV files including adding and removing columns?
Looking for a mode to edit CSV files. I tried csv-mode which is great for viewing CSVs via the minor mode csv-align-mode.
However I cannot find an easy way to add or delete columns in this mode. Is ...
CommunityBot
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Mermaid major mode not showing up after installation
I've installed mermaid-mode by using package-install and MPLA but for some reason, it's not showing up when I type it after M-x. (I get Match required). I'm running Doom Emacs. Any clue why this ...
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Haskell Interactive mode - incorrect parsing of crammed code
When using list comprehension without white spaces, all text after vertical bar turns grey. [x| is treated like header of here-document - grey color spans for the rest of the buffer, unless sequence |...
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Is there a major mode for editing xkb files?
I have a custom keyboard layout I'm often editing. This is a file stored in /usr/share/X11/xkb/symbols/, similar to the other language files there. Since none of these files have an extension Emacs ...
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change major mode without hiding text or revealing hidden text (for live-coding)
Question
I am live-coding. I would like to be able to change the major mode to and from org-mode without un-hiding any of the text that org-mode has hidden. I would switch to a code mode whenever I ...
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How enable tree-sitter modes (*-ts-mode) that aren't built-in?
My Emacs (29.1) comes with the some tree-sitter modes:
c-ts-mode
go-ts-mode
js-ts-mode
...
I downloaded the compiled .dll and they work out of box.
However, there are some languages that tree-sitter ...
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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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1
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language specific tree-sitter major mode wont show up
I'm using GNU Emacs 29.1 and have installed the tree-sitter haskell grammar: libtree-sitter-haskell.so via treesit-install-language-grammar but somehow haskell-ts-mode wont show up as a major mode ...
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What is the correct way to make js2-next-error available when using js2-mode as major mode?
I'm using js2-mode. It provides js2-next-error, but apparently only when using js2-minor-mode and not when using js2-mode as a major mode. This is clear from the code in js2-mode.el (in version ...
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how to use different faces for regular expressions in the same line in font-lock-defaults
I'm trying to create a major-mode for HTTP requests in emacs, I'm stuck at the syntax coloring for regexs at the same line.
let this be the HTTP request I'm trying to highlight:
GET /...
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2
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Remap mode to the new tree sitter mode not working
I"m trying to use the following code to remap js-mode to js-ts-mode.
(add-to-list 'major-mode-remap-alist '(js-mode . js-ts-mode))
(Edit)
I am using default emacs with a custom init file (only a ...
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1
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Changing the major mode of a named buffer
How can I construct a function that changes the major mode of a named buffer ?
(defun change-buffer-mode (mode buffer)
)
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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 '...
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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-...
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8
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How do I list all key-bindings available in a given buffer?
I am trying out a new major mode, how can I take advantage of Emacs' documentation system to get a listing of key bindings available in that specific buffer?
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How do I turn off electric-indent mode within 'Fundamental' mode?
Currently, in my .emacs.d/init.el, I have:
(setq-default indent-tabs-mode nil)
(setq-default tab-width 4)
(setq indent-line-function 'insert-tab)
(push (cons "\\*shell\\*" display-buffer--...
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2
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Disabling visual-line-mode only in org-agenda-mode
My emacs configuration has global visual line mode enabled via (global-visual-line-mode 1). I want to disable this mode, but only when in org-agenda-mode.
When I do this manually, via M-x org-agenda, ...
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SMIE: defining a build.ninja grammar
I'm trying to write a mode in SMIE, to figure out how it works and to create some documentation.
build.ninja (a build system used by Meson and others) is a perfect candidate due to its very simple ...
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6
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How to override major mode bindings
Sometimes my global keybindings are overridden by a major mode. An easy example is the following setting in my init file
(global-set-key (kbd "C-j") 'newline-and-indent)
But annoyingly this ...
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Using the push function to append a list to the default-frame-alist variable
I've noticed some people use this to disable the menu bar in the GUI:
(push '(menu-bar-lines . 0) default-frame-alist)
and some people use this:
(menu-bar-mode -1)
Both achieve the same. The first ...
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How do I use a local tree-sitter grammar in my emacs major mode?
I want to create a new major mode for a language with tree-sitter. I am working on the tree-sitter parser locally and It's working (tested in neovim and helix)
Now I want to tell emacs to use the ...
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How to set major mode localleader keybinding to both `SPC m` and `comma` in Doom
I want to be able to use both SPC m and , as major mode localleader keybinding in Doom. With my current Doom setup, I can only use , as localleader key. SPC m is undefined currently.
CommunityBot
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Highlight code between specified tags
how can I write extension for existing major mode, e.g. dart-mode to highlight block of codes. For example:
// $done>
import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'dart:ui';
...
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119
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Rebind key to a different character in a specific mode?
I already tried some different ways of doing this, but never got it quite right, so I put it here.
When working in buffers using some specific modes (lisp-mode, emacs-lisp-mode) I want to make it so a ...
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465
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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 ...
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0
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How to apply changes from a major mode that I'm currently creating?
I'm writing a syntax highlighting mode for emacs, and wondering if there is a way to improve my workflow.
Currently I do this:
make edits to mymode.el
restart emacs
open mymode.el
eval buffer
open a ...
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Making function callable only whilst in `c-mode`
How can I make this function callable only whilst in c-mode?
(defun nuket-c (actm)
"Code templates for the C language"
(interactive
(list
(let ( (cseq '("struct" "...
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Are C-[0-9] and M-[0-9] completely interchangeable?
In all my exploration, it seems that M-[0-9] and C-[0-9] apply numeric prefixes in the same way everywhere. Does this change for any common modes? I'm considering overwriting one of the sets of ...
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How to disable `q` key (quit) for *Geiser Debug* window?
The *Geiser Debug* window disappears after pressing q. This is normally good for dismissing the error messages in the window (for scheme). However, I'd like to keep this window open so that I can see ...
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How to make a popup buffer like *Help* accept and return some input upon pressing RET?
What
I need to capture some text which is then inserted at point without using the minibuffer (see "why" for why this is not entirely stupid). My idea was to just pop up a temporary window ...
CommunityBot
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How can a function check which major mode is enabled?
The accepted answer to this question says:
When the function is invoked, it can test the current mode and do something appropriate. For example, for some modes, or all modes except some modes, it can ...
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When is the major-mode assigned to an input file determined by its file extension?
How does Emacs determine the major-mode assigned to a file based on file extension, e.g.
.txt or .odt? If the filename has no extension, and I don't do anything to tell Emacs how
to treat it, what ...
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Major mode to colour fragments such as tables
I would like to define a major mode for some class of documents, a few faces, and fontification rules that find fragments users would want colored and apply those faces. The user will be able to ...
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