#+TITLE: eaf layer

#+TAGS: layer|web service

* Table of Contents                     :TOC_5_gh:noexport:
- [[#description][Description]]
  - [[#features][Features:]]
- [[#install][Install]]
- [[#usage][Usage]]
  - [[#configuring-applications][Configuring applications]]
  - [[#configuring-key-bindings][Configuring key bindings]]
- [[#key-bindings][Key bindings]]
  - [[#global][Global]]
    - [[#all-eaf-applications][All EAF-applications]]
    - [[#browser][Browser]]
  - [[#local][Local]]
    - [[#all-eaf-applications-1][All EAF-applications]]
    - [[#browser-1][Browser]]
    - [[#pdf-viewer][PDF-viewer]]
    - [[#pdf-view-mode-pdf-tools][pdf-view-mode (pdf-tools)]]

* Description
This layer adds support for the [[https://github.com/emacs-eaf/emacs-application-framework][Emacs Application Framework (EAF)]].

** Features:
- Browse using a full-fledged browser within Emacs
- PDF viewer (with continuous scroll)
- Video player
- Image viewer
- See [[https://github.com/emacs-eaf/emacs-application-framework#launch-eaf-applications][EAF documentation]] for many more features

* Install
To use this configuration layer, add it to your =~/.spacemacs=. You will need to
add =eaf= to the existing =dotspacemacs-configuration-layers= list in this file.
Then after (re-)loading the dotfile, run =M-x eaf-install= to automatically
install required dependencies, and to select the eaf applications you would like
to get installed. The script let's you select from the following list
of applications:
- eaf-jupyter
- eaf-browser
- eaf-airshare
- eaf-file-browser
- eaf-file-manager
- eaf-file-sender
- eaf-music-player
- eaf-system-monitor
- eaf-mindmap
- eaf-org-previewer
- eaf-terminal
- eaf-netease-cloud-music
- eaf-video-player
- eaf-image-viewer
- eaf-demo
- eaf-vue-demo
- eaf-pdf-viewer
- eaf-markdown-previewer
- eaf-camera

* Usage
** Configuring applications
By default, all applications that were selected to be installed when running
=eaf-install= command are loaded. By default all installed applications get
loaded when eaf gets loaded. If you prefer to load some of the applications by
default then adjust the variable =eaf-apps=.

** Configuring key bindings
Configuration of EAF key bindings works in a different way than normally in
Spacemacs.

Also EAF, and additionally this layer, implement some tricks that are
required to make leader keys in EAF buffers behave as expected in Spacemacs.
Therefore it is recommended to keep these default (major-mode-)leader
keybindings.

For information about configuration of other key bindings for EAF, see [[https://github.com/emacs-eaf/emacs-application-framework/wiki/Keybindings][here]].

If you do want to modify the leader keys, then information about the tricks
implemented in this layer can be found [[https://github.com/emacs-eaf/emacs-application-framework/issues/498][here]] and [[https://github.com/emacs-eaf/emacs-application-framework/pull/500][here]].

* Key bindings
Except for the few Spacemacs specific modifications listed below, all EAF
keybindings are documented [[https://github.com/emacs-eaf/emacs-application-framework/wiki/Keybindings][here.]]

Eaf provides some key bindings only conditionally, so if some key binding does not
work, then be sure that the relevant eaf application has been correctly
installed.

Use ~SPC t k m~ to [[https://develop.spacemacs.org/doc/DOCUMENTATION.html#which-key-persistent][show the EAF key bindings persistently in which-key]], or use
~SPC h d K~ to show the `eaf-mode-map` in a separate buffer.

** Global
*** All EAF-applications

| Key binding | Description                                                                   |
|-------------+-------------------------------------------------------------------------------|
| ~SPC a a f~ | EAF open file ([[https://github.com/emacs-eaf/emacs-application-framework#launch-eaf-applications][see EAF doc for supported file types]])                          |
| ~SPC a a s~ | EAF open system monitor                                                       |
| ~SPC a a M~ | EAF open musik player                                                         |
| ~SPC t k m~ | Show available key commands in which-key (read [[https://develop.spacemacs.org/doc/DOCUMENTATION.html#which-key][here]] for more details)         |
| ~SPC m d~   | toggle dark-mode (or in browser press ~M-d~ and in pdf-viewer just press ~d~) |

*** Browser

| Key binding   | Description                                                                           |
|---------------+---------------------------------------------------------------------------------------|
| ~SPC a a b o~ | Open url in new buffer                                                                |
| ~SPC a a b s~ | Search with [[https://github.com/emacs-eaf/emacs-application-framework/wiki/Customization#default-search-engine][your favorite search engine]]. Defaults to symbol at point or region string |
| ~SPC a a b b~ | Open bookmark in new buffer                                                           |
| ~SPC a a b h~ | Search and open buffer from history                                                   |

** Local
*** All EAF-applications

| Key binding | Description    |
|-------------+----------------|
| ~j/k~       | Scroll up/down |

*** Browser

| Key binding | Description                                                    |
|-------------+----------------------------------------------------------------|
| ~J/K~       | Scroll (half) page up/down                                     |
| ~e~         | Edit url                                                       |
| ~m~         | Bookmark page                                                  |
| ~C-s~       | Search/search find next (to enter new search prefix with ~C-g~ |
| ~C-r~       | Search find previous                                           |
| ~SPC m h~   | Open new buffer from history                                   |
| ~SPC m s~   | Search web with [[https://github.com/emacs-eaf/emacs-application-framework/wiki/Customization#default-search-engine][favorite search engine]]                         |

*** PDF-viewer

| Key binding | Description      |
|-------------+------------------|
| ~d~         | toggle dark-mode |

*** pdf-view-mode (pdf-tools)

| Key binding | Description            |
|-------------+------------------------|
| ~SPC m e~   | open in eaf pdf-viewer |