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https://github.com/kpe/jupyterlab-emacskeys
Emacs keybindings inside JupyterLab notebook cells
https://github.com/kpe/jupyterlab-emacskeys
emacs-keybindings jupyterlab-extension
Last synced: about 2 months ago
JSON representation
Emacs keybindings inside JupyterLab notebook cells
- Host: GitHub
- URL: https://github.com/kpe/jupyterlab-emacskeys
- Owner: kpe
- License: mit
- Created: 2018-08-11T16:45:08.000Z (over 6 years ago)
- Default Branch: master
- Last Pushed: 2023-01-07T04:16:19.000Z (almost 2 years ago)
- Last Synced: 2024-10-04T00:23:31.801Z (3 months ago)
- Topics: emacs-keybindings, jupyterlab-extension
- Language: TypeScript
- Size: 344 KB
- Stars: 31
- Watchers: 3
- Forks: 4
- Open Issues: 7
-
Metadata Files:
- Readme: README.md
- Changelog: History.md
- License: LICENSE
Awesome Lists containing this project
README
# jupyterlab-emacskeys
[](https://www.npmjs.com/package/jupyterlab-emacskeys)
[](https://travis-ci.org/kpe/jupyterlab-emacskeys)
[](https://www.npmjs.com/package/jupyterlab-emacskeys)
Currently JupyterLab seems to support emacs keybindings only in its text editor,
but not in the notebook cells. This ~~might be simply a~~ bug (actually it seems to be intentional - see [#3885](https://github.com/jupyterlab/jupyterlab/issues/3885#issuecomment-412294469)), as changing the
default config in codemirror would help, but until it is fixed, I'm using this
method of changing the default keymap in codemirror to `emacs`.
## Origin
I was badly missing the emacs keybindings support in the notebook cells
in the current version of [JupyterLab](https://github.com/jupyterlab/jupyterlab
), and as I was not familiar with
the jupyter development environment, I've just forked the [jwkvam/jupyterlab-vim](https://github.com/jwkvam/jupyterlab-vim) repo and adapted it to simply use `keyMap=emacs` in codemirror.
## Install
### Prerequisites
* JupyterLab 1.0.1
### Install or upgrade
```bash
jupyter labextension install jupyterlab-emacskeys
```
### Tweaks
Because some common emacs keybindings are already reserved
in jupyter-lab, you will have to disable them like this (see issue #1), i.e.:
{
"shortcuts": [
{
"command": "application:toggle-left-area",
"keys": [
"Accel B"
],
"selector": "body",
"disabled": true
},
{
"command": "application:close",
"keys": [
"Alt W"
],
"selector": ".jp-Activity",
"disabled": true
},
{
"command": "notebook:split-cell-at-cursor",
"keys": [
"Ctrl Shift -"
],
"selector": ".jp-Notebook.jp-mod-editMode",
"disabled": true
},
{
"command": "apputils:print",
"keys":["Accel P"],
"selector": "body",
"disabled": true
},
{
"command": "documentsearch:start",
"keys": [
"Accel F"
],
"selector": ".jp-mod-searchable",
"disabled": true
},
]
}
And because Chrome or Firefox tend to capture some shortcuts, it might help
setting the Emacs key-theme for all GTK applications like this:
gsettings set org.gnome.desktop.interface gtk-key-theme "Emacs"
or by editing `~/.config/gtk-3.0/settings.ini` like this:
[Settings]
gtk-key-theme-name = Emacs
### Uninstall
```bash
jupyter labextension uninstall jupyterlab-emacskeys
```
### Development
For a development install (requires npm version 4 or later), do the following in the repository directory:
```bash
npm install
npm run build
jupyter labextension link .
```
To rebuild the package and the JupyterLab app:
```bash
npm run build
jupyter lab build
```