Questions tagged [completion]

refers to TAB completions (or other keystroke shortcuts) to selecting the target element from a list of many. Often useful for menus, navigations, searching, jumping, folding, and other forms of "narrowing" the list of available choices.

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43 views

How does company mode work?

I am trying to set up a quasi-IDE experience on Emacs for C/++, and I installed the company package. However, it seems it doesn't work. For what I undersood, company by itself is only the front-end. ...
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anaconda-mode completion not working for python3 modules from pip3 and non-standard python3 modules from Debian repos

Using Spacemacs 0.300.0 develop on Debian 10.9 (stable). My python setup in .spacemacs: (python :variables python-backend 'anaconda) I also have the following in my user-config: (setq python-shell-...
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25 views

Fill in the current candidate when reading file using icomplete-vertical-mode

From completion frameworks such as ivy and vertico I am used to being able to use / resp. TAB to select the highlighted choice when reading file names. This is similar to how RET completes that choice ...
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Why auto-completion does not work in this case?

In general, I am pretty happy with the tab-completion provided by Emacs. However, I would like to avoid situations like this one. While programming in Lisp with Slime and SBCL, I am doing a let-...
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Autocomplete for Go in emacs with LSP + gopls

Following up on https://stackoverflow.com/questions/50668619/autocomplete-in-golang-in-emacs, which is now over 3 years old, but technology has evolved. I did a lot of reading on what's the latest ...
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How to prevent eshell from hijacking `*` after <TAB>

I start Emacs 27.1 with emacs -Q, invoke eshell, and then type ls foo<TAB>. I have many things starting with foobar in my directory, so it completes to foobar. So far, so good. In bash, I can ...
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Variant of read-regexp that shows matching string candidates upon TAB

I'm looking for an extension of read-regexp, that given an additional parameter of completion candidates, shows the matching subset of these candidates in the minibuffer, when tab is pressed. Similar ...
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1answer
26 views

How can I use `TAB` with `M-x` to cycle through commands matching minibuffer input

I am finding completion in Emacs system to work similarly to bash completion, in the sense that upon pressing TAB, it presents the user with a list of possible options. However, I am looking for ...
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improve ivy's completions

When I do M-x package install, (with a space between the words) I get: I'd like the "package-install" option to be prioritized over "package-menu-mark-install". What can I do to ...
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1answer
70 views

binding <tab> to company complete

I would like to always trigger company suggests. When I use: (global-set-key (kbd "<tab>") 'company-complete)) It breaks ivy's completion in the minibuffer. How can I prevent this? I ...
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1answer
39 views

C-x C-f TAB TAB: Find file completion list: how to highlight subdirectories?

Often I'd like to open a file in a subdirectory. But poor me, I can't remember the name. So when typing C-x C-f and then TAB TAB for the completion list, the list of all files in this directory is ...
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How to hierarchically find available functions in the minibuffer with stock emacs

I accidentally pressed some keys and found a feature that looked really useful. It gave me the option to hierarchically select a command/function to run in the minibuffer. There was some explanatory ...
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53 views

How to turn on “helm-mode” for a specific function?

The context I've defined a big set of yasnippet snippets and sometimes I forget the shortcut for those snippets. I've found out recently that the function yas-insert-snippet can be used to insert a ...
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Automatic insertion of the parameters of a function as placeholders when auto-completing

I am kind of new to Emacs, in the sense that I never used for serious development. I was trying to build a configuration in order to start a larger C++ project, and there is one point in particular ...
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1answer
91 views

Disable minor mode in specific major-modes or changing buffers (i.e. selectrum for prog-modes but not in shell)

This is similar to many other questions but nothing is leaping out.. I'm a fan of selectrum (similar to helm and ido I gather): e.g. hit M-x and start typing, it'll find matches and list them. I'd ...
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1answer
107 views

What is causing Emacs remote shell to be slow on completion?

So basically I am doing the following: Opening a dired buffer with tramp on a remote. Opening a shell on the remote (M-x shell) Then if I try for example to type any command such as ls -la the ...
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1answer
67 views

Use completing-read to call arbitrary function

How can one pass a list of (arbitrary) functions to completing-read and run the selected candidate? Something like this: (defun find/buffer () (interactive) (completing-read "Chose one: &...
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37 views

TAB doesn't indent just pops up completion list

When I enter a new line and with the cursor auto indented due to electric-indent-mode, I see indent-cycles (x) in the modeline, so I hit TAB to cycle the indentation to where I want the cursor to be ...
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Recover selected/highlighted key, val or cons before RET in completing-read

I have completing-read set to show me a plist. I want to do something without RETURNING (completing the function). E.g..: (defun fancy-mode-call-buffer () "List buffers to switch." (...
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46 views

Markov matcher for dabbrev

While writing plain text (not code), I'd like a completion based on more context, an exmple would speak more so here it is: Given the following buffer (a preloaded big text corpus would make more ...
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639 views

Company: backend company-capf error

I'm using emacs-lsp with company-capf. While editing an elisp file, it works fine. However, once I run eval-buffer, I get the following error when trying to use completion: Company: backend company-...
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Overlapping problem with company suggestions in doom-emacs

I'm having an overlapping problem of suggestions with my company configuration for org-roam in doom-emacs This is the piece of code for my backends in config.el (set-company-backend! '(org-mode ...
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2answers
35 views

Completing read with must-match and cannot be null

The function completing-read permits the user to simply press the enter key without selecting a match against the list of valid choices: (let* ((completion-ignore-case t) (client (completing-...
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23 views

Multi-directory tab completion for find-file?

I am frequently diving through many layers of directory hierarchies (thanks, Java) to find files named like this… java/test/com/company/thing/test/testy/testier/testier/Tester.java The main issue ...
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1answer
33 views

How can helm be configured to return a nil result when the user cancels?

This function selects one of the items in projectile's project list, but when I cancel the select using Ctrl-G an item is still returned. Whatever candidate the selection is on is returned even if the ...
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Code completion for structure with preprocessor selection statement

I'm using Rtags and Irony as backends for company. They work but with some glitches. For example, given this code segment: #include <stdio.h> #include <signal.h> int main() { struct ...
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2answers
92 views

Display summary information on command when running Meta-x

Since I'm new to GNU Emacs (version 26.1 running on Debian Stable) I'd like to get some information when invoking a command using Meta-x. Currently I'm only able to see a list of possible completions ...
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2answers
74 views

completion-ignored-filenames?

Is there a way to do ignore whole file names the same way as 'completion-ignored-extensions' ignores filename extensions? For example, I would like to blacklist __pycache__/, so that if the default ...
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48 views

Completion modes are too intrusive. Is there an abstract API to fine tune usage per mode?

So I'm looking for coding technique / code organization to make completion system pluggable for particular my mode, choice shouldn't affect other modes or preferences. At the moment I use completing-...
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1answer
149 views

Using company mode to complete sentence

As I understand, company mode can help complete the word, but not a sentence. I would like to complete a fragment of sentence. I would like to complete fragment e.g. "portal and hepatic doppler&...
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27 views

How to define interactive function that will not auto-complete?

If I do this: (defun foo-bar-baz () (interactive) (message "foo-bar-baz")) And then M-x foo-baz RET (note no "bar") then completion matches foo-bar-baz and it executes. Is ...
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1answer
29 views

Completion with help

I'm using completing-read to get an argument for an interactive command. The argument is a non-intuitive word (required for my application), so the completion list looks like this: Possible ...
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1answer
138 views

Emacs company-css, where is the completion of css values?

Company-mode completion seems a little weak in emacs. Is it my configuration? Property completion seems simple enough: strong { color: red; /* <= color is the property */ } Where red is the ...
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41 views

Notmuch - configure preferences for address completion

When hitting TAB in notmuch to complete email addresses, I often get a long(ish) list of possible completions, forcing me to cycle through it looking for the correct one. Is there a way to order the ...
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1answer
84 views

Replace a character with a string as it is typed

I would like to do the following: activate some mode so that whenener I type the $ character in my buffer, it immediately gets replaced by <m>. Even better: when I type $ it puts <m></m&...
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37 views

Custom keyword list for auto completion M-/?

I make use of M-/ for auto-completion. Is it possible to supply a custom list of frequently used keywords (e.g. for a niche programming language) to be loaded at Emacs startup? I could save the ...
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1answer
42 views

How to disable “/” 's default behavior on the F interactive mode?

I use interactive mode with Ivy and Dired for interactively creating new files, like so: (evil-local-set-key 'normal (kbd "t") (lambda (file) (...
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0answers
49 views

Why is completion not working?

I have emacs installed on two machines, with both installs using a similar spacemacs config. On both, C-M-i is bound to the command complete-symbol. I am editing different org files on the machines, ...
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1answer
73 views

Can I navigate Bookmark+ bookmarks like I can with e.g. helm-bookmark?

I am experimenting with Bookmark+ and would like to be able to navigate to a bookmark using a similar workflow to that which I currently use to navigate bookmarks. For example, previously in order to ...
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1answer
222 views

Is there a way to have ivy display a tooltip for the function at point?

Ie, suppose I press M-x org-agenda and ivy says there's 131 matches, of which I recognize maybe 10. It'd be useful to say, after a .2 second delay, display a tooltip for the function at point. Is ...
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3answers
79 views

imenu to copy the target instead of jumping to it?

Is it possible to use imenu (or another package) to copy the target (specified by a regex) rather than jumping to it? This is an effort for tackling the question: How to list or autocomplete pandoc-...
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1answer
84 views

Completion of sentences stored in a file

I know this question is similar to completion of a sentence rather than word but I ask anyway since I suggest another way of storing what is supposed to be auto-completed. Suppose I stored some ...
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1answer
77 views

Emacs completion through symlink (OSX)

I have a symlink on my Desktop that points to my Dropbox folder. Clicking on this link takes me through to Dropbox, which is located elsewhere. But if I try navigating to ~/Desktop/Dropbox using Emacs,...
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How to suggest org-link description when completing?

I have a custom org link created using org-link-set-parameters. If I use org-insert-link and complete it will use the :complete function from the parameters to get the link. However I haven't found a ...
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0answers
30 views

How to merge the completions of two completion-at-point-functions?

In company-mode, you can merge completions by listing them together in a list. I would like to do a similar thing, where if I have two completion-at-list-functions setup, instead of trying one after ...
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1answer
618 views

Icomplete and Ido: Why are both in the codebase?

My question is pretty simple, and that is why Ido and Icomplete are both available in emacs. I find it very strange that the two modes exist together, seeing that they both do what is essentially the ...
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1answer
157 views

Escape Swiper even when match is required

Swiper automatically moves to the next location that matches your current input. You can press RET to return to the main buffer when the search is successful. When you type in a word that does not ...
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1answer
78 views

How to prevent the completion window from hogging up nearly whole frame (-3 lines)?

One or the other of the various Emacsen has been, at different times, my one and only editor on all *nix systems¹. I usually use one X window per buffer, so I can arrange windows side by side, or use ...
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1answer
37 views

Is it possible to do word completion on `isearch` shell?

I want to apply word completion on isearch shell. When I press tab ^I shows up on the shell instead of completing the word and show up a window for suggestions. => Is it possible to complete a word ...
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138 views

Matlab-shell autocompletion error

For some reason emacs matlab-shell is returning an error when running autocompletion. The debugging output for a completion of "load Da[TAB]" is shown below. The closest thread that I've ...

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